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(c) Marek Trokenheim

1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0

(...)

6.Qb3 Bf5 7.d4 ed4 8.Nd4 Bg6 9.Nf3 Nbd7 10.Nc3 a5 11.a3 c6 12.Be2 ab4 13.ab4 Ra1 14.Ba1 Qc7 15.0–0 Ra8 16.Bb2 Ne5 17.Ne5 de5 18.h3 Rd8 19.b5 Nd7 20.Na4 Nc5 21.Nc5 Bc5 22.Rd1 f6 23.bc6 Rd1 ½–½. Dahl,Ivar M – Schroeter,He (2110), TCh–Eur Seniors, Dresden GER, 2010. (=1.Nf3 Nf6 2.c4 d6 3.b4 e5 4.Bb2 Be7 5.e3 0–0)

6.b5 b6 7.Be2 Bb7 8.0–0 Nbd7 (8...a6 9.a4=) 9.d4 e4 10.Nfd2 c5 (10...a6 11.ba6 Ra6 12.Nc3+=) 11.d5 Ne5 12.Be5 de5 13.Nc3 a6 14.a4 ab5 15.ab5 Qd7 16.Nce4 Ne4 17.Ne4 f5 18.Nd2 Bf6 19.e4 f4 20.Bg4+– Qf7?? 21.Be6 (21.Be6 Qe6 22.de6+–) 1–0. spblex (2310) – rgiarrocco (2215), net–chess.com, 2009.

6.b5 c5 7.Be2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0–0 e4 12.Ne1 b6 13.Qc2 d5 14.cd5+= Nd5 15.Qe4 N7f6 (15...N7f6 16.Qc2 Be6+=). Cornacchini,Gabriele – Huang,Peter, IECC, 2000.

6.Qc2 a5 7.b5 =.

6.Qc2 c6 (6...Bg4 7.Nc3+=) 7.a4 (7.Nc3 Re8+=) 7...Na6 8.b5 Nb4 9.Qb3 c5 (9...a5 10.d3+=) 10.d3= a5 11.Be2 h6 12.0–0 Bf5 13.Nbd2 Bh7 14.Rfd1 Qc7 15.Nf1 Ne8 16.d4 (better is 16.Rac1!?=) 16...Bc2–/+ 17.Qa3 Bd1 18.Bd1 (18.Rd1 cd4 19.ed4 e4–/+) 18...ed4 19.ed4 Bf6 (19...cd4 20.Qb3–/+) 20.d5 (20.Ne3 Qb6–/+) 20...Bb2–+ 21.Qb2 Nf6 22.Ra3 Rae8 23.Ne3 Qe7 24.Nh4 (24.Bc2 Ng4–+) 24...Qe4 25.Nhf5?? (better is 25.g3–+) 25...Qf5 (25...Qf5 26.Be2 Qf4–+) 0–1. Semenko,G – Litterst,R, Schloss Schney, 1995.

6.Qc2 Bg4 7.Nc3 =+.

6.Qc2 g6 7.Be2 e4 8.Nd4 c5 9.bc5 dc5 10.Nb5 a6 11.N5c3 Nc6 12.a3 (12.Ne4? Ne4 13.Qe4 Bf5–+) 12...Bf5 13.0–0 (13.Nd5 Nd5 14.cd5 Na7=) 13...Qb6 (better is 13...Bd6!?+=) 14.Nd5+= Nd5 15.cd5 Nd8 (15...Na5!?=) 16.Nc3+/– Qd6 (16...h6 17.g4 (17.Ne4?! Be4 18.Qe4 Qb2 19.Qe7 Qd2+/–) 17...Bc8 18.Ne4+–) 17.Ne4 (17.g4 Bg4 18.Bg4 f5+–) 17...Be4+/– 18.Qe4 Bf6 19.Bf6 Qf6 20.Rab1 Rb8 (20...Qd6 21.Rfc1+–) 21.Rb3 (better is 21.Rfc1!?+–) 21...b5+/– 22.Bf3 (22.d3 Nb7+/–) 22...c4 23.Rbb1 Nb7 24.Qc2 Nd6 25.e4 (25.Qc3 Qg5+/–) 25...Qg7 (25...Qe5 26.Qc3 Rfe8 27.Rfe1+=) 26.Rfe1+/– Rfe8 27.g3 Qd4 (better is 27...f5+=) 28.e5 (28.Qc3 Qc3 29.dc3 f6+/–) 28...Nf5?? (28...Re5 29.Qc3 Re1 30.Re1+=) 29.Bg2 (better is 29.Qc3+/–) 29...Re5+= 30.Re5 Qe5 31.Kf1 Nd4 32.Qc3 Qe2 33.Kg1 Qe5 34.f4?? (better is 34.Kf1=) 34...Ne2–+ (34...Ne2 35.Kf1 Nc3 36.fe5 Nb1–+) 0–1. GuestHGPG – FETTUIPY, freechess.org, 2017.

6.Nc3 Na6 7.a3 c6 8.Bd3 Bg4 9.h3 Bh5 10.Qc2 Nc7 11.Ng5 Kh8 (better is 11...Bg6!?=) 12.Nh7+/– Nh7 13.Bh7 f5 (better is 13...a5!?+/–) 14.Bf5+– Bh4 15.g4 g6? (better is 15...Bf7 16.Qd3 a6+–) 16.Bd3 (16.gh5?! gf5 17.Rg1 Rg8+–) 16...Rf2 17.0–0–0 black resigned. 1–0. pcmvr – rstilt (2275), net–chess.com, 2012.

6.Nc3 d5 7.Ne5 Bb4 8.Qb3 Bc3 9.Bc3 a5 10.Be2 Re8 11.0–0 a4 12.Qc2 c6 13.Rab1 Qc7 14.d4 Nbd7 15.f4 b6 16.Bd2 Ba6 17.Rfe1 dc4 18.Nc4 Bc4 19.Bc4 Ne4 20.Bd3 Nd2 21.Qd2 Nf6 22.e4 b5 23.Rbc1 Qb6 24.Bb1 Rad8 25.Rcd1 b4 26.Qd3 b3 27.e5 ba2 28.Ba2 Nd5 29.Qd2 Rb8 30.f5 Qb4 31.Bd5 cd5 32.Qg5 a3 33.f6 g6 34.Qe3 Ra8 35.Rb1 Qf8 36.Ra1 Ra4 37.Reb1 Rea8 38.Rb3 h5 39.Ra2 R8a6 ½–½. phildo (1890) – vernongreer (1875), gameknot.com, 2013.

6.d3 a6 A) 7.Qd2 Re8 (7...a5 8.b5 Bf5 9.Be2 Nbd7 10.0–0 a4=) 8.Be2 e4 9.Nd4 c5 10.Nc2 d5=; B) 7.Be2 Nc6 (7...Re8 8.0–0 Nc6 9.a3 Bf5 10.Nc3 Ra7=; 7...Bf5 8.0–0 Nc6 9.a3 Re8 10.Nc3 Qd7=; 7...Be6 8.0–0 Nc6 9.a3 Re8 10.Nc3 Bf5=; 7...Bg4 8.0–0 Nc6 9.a3 Re8 10.Nbd2 Qd7=; 7...d5 8.a3 e4 9.Nd4 dc4 10.de4 b5=) 8.a3 Qd7 9.Nc3 Re8 10.0–0 Qf5=.

6.d3 Na6 7.a3 c5 8.Qb3 (8.Qd2 cb4 9.ab4 Bg4=) 8...Be6 (8...cb4 9.ab4 Qb6 10.Bc3=) 9.Nbd2 (9.Be2 Qb6=) 9...b5 (9...Qd7 10.b5 Nc7 11.Be2=) 10.Ng5 Bd7 11.d4 ed4=+ 12.ed4 cb4 13.ab4 Nc7 14.Ngf3 Re8=+ 15.Be2 bc4–/+ 16.Nc4 Bb5 17.Ne3 Be2 18.Ke2 Qb8 19.Ra5 d5 20.b5 a6 21.Rha1 Qb7 22.b6 Rab8 23.Ba3 Ba3 24.Qa3 Qb6 25.Kf1 Qb7 26.Ne5 Ne4 27.Kg1 Nb5 28.Qb4 Re6 29.Re1 Qa7 30.Nf3 Nec3 31.Kh1 Qc7 32.Rea1 Qd6 33.Qd6 Rd6 34.Nf5 Rf6 35.Ne3 Rbb6 36.Kg1 g6 37.Kf1 Rfd6 38.Ke1 Kg7 39.Rc1 Rbc6 40.Rca1 f6 41.h3 Ne4 42.R5a4 Kf7 43.Rb4 Nec3 44.g4 h6 45.h4 Re6 46.Nd2 h5 47.gh5 gh5 48.Kf1 Kg6 49.Ra5 Re8 50.Ra1 Kg7 –+. dottore – Haubin, playchess.de, 2001.

6.d3 Na6 7.Qb3 Rb8 8.Be2 b5 9.cb5 Rb5 10.a3 Rb6+=.

6.d3 d5 A) 7.c5 a5 (7...e4) 8.a3 e4 9.de4 de4 10.Nfd2 ab4+=; B) 7.a3 a5 (7...e4 8.Nd4 dc4 9.de4 a5 10.Bc4 Ne4+=) 8.Ne5 ab4 9.d4 Bf5 10.Bd3 Be4=.

6.d3 e4 7.de4 Ne4 8.Nc3 Nc3 9.Bc3 Bf6 10.Qc2 Bc3 11.Qc3 Bf5 12.Bd3 Bd3 13.Qd3 Qf6 14.0–0 Nd7 15.a3 Ne5 16.Ne5 Qe5 17.Qd4 Qd4 18.ed4 Rfe8 19.Rfe1 Re1 20.Re1 Kf8 21.d5 Re8 22.Re8 Ke8 23.f4 Kd7 24.Kf2 c6 25.Ke3 f5 26.Kd4 b6 27.dc6 Kc6 28.b5 Kd7 29.Kd5 h6 30.h3 g5 31.g3 gf4?? (better is 31...Ke7+/–) 32.gf4+– h5 (32...Ke7 33.Kc6 Ke6+–) 33.h4 Kc7 34.Ke6 Kb7 35.Kd6 a6 36.Ke6 a5 (36...ab5 37.cb5 Kc7 38.Kf5+–) 37.Kf5 Kc7 38.Ke6 a4 (38...Kc8 39.f5 Kd8 40.f6 a4 41.f7 Kc8 42.f8Q Kb7 43.Qg7 Kb8 44.c5 bc5 45.b6 c4 46.Qc7 Ka8 47.Qc8) 39.f5 1–0. Fournier,Frederic – julianmi, Active, 2008.

6.d3 Be6 7.Be2 Nbd7 8.Nbd2 c5 9.b5 a6 10.a4 ab5 11.ab5 Qb6 12.0–0 Ra7 13.Ra7 Qa7 14.Qa1 Qa1 (14...Ra8 15.Qa7 Ra7 16.Ra1 Ra1 17.Ba1=) 15.Ra1+= (15.Ba1?! Ra8=) 15...Nb6 16.Ra7 Bc8 17.Bc3 Rd8 (17...Re8!?+/–) 18.Ba5+– Nfd7 19.Nb1 (19.Ne1 d5 20.Bg4 Rf8 21.Bb6 f5+–) 19...f5 (19...Re8 20.Nc3+/–) 20.Nc3 Re8 21.Nd5?? (better is 21.Nd2!?+/–) 21...Bd8 Black prepares e4 (21...Nd5!? 22.cd5 b6=) 22.Nb6+= Bb6 23.Bb6 Nb6 24.Nd2 e4 25.de4 fe4 26.Nb1 Re7 27.Nc3 Bf5 28.g4 Bg6 29.Nd5 Nd5 30.cd5 h6 31.h3 Bf7 32.Bc4 Kh7 33.Kg2 g5 34.f3 ef3 35.Kf3 Bg6 36.b6 Rf7 37.Ke2 Be4 38.Bb3 (better is 38.Bd3 Bd3 39.Kd3+=) 38...Bg2–/+ 39.Bc2 Kg7 40.Bf5 Bh3 41.Be6 Re7 42.Kd3 Kf6 43.Ra8 Ke5 (43...Re6 44.de6 Bg4=) 44.Rf8+= Bg4 45.Bg4 Kd5 46.Bf3 Ke6 (better is 46...Ke5+/–) 47.Bg4 (47.Kc4 Rg7 48.Bg4 Ke7 49.Rh8+–) 47...Kd5+/– 48.Bf3 Ke6 49.Kc4 Kd7? (49...Rd7+–) 50.Bb7 Ke6 (50...Re3 51.Bd5 Ra3+–) 51.Bc8 (51.Bd5 Ke5 52.e4 Rf7 53.Rf7 h5 54.Rf5) 51...Ke5 52.Rf5 (better is 52.b7 Rb7 53.Bb7+–) 52...Ke4 (52...Ke4 53.Rf6 d5 54.Kc5 Kd3+–). Fournier,Frederic – Krolik (1675), Partie amicale, 5m + 0s, 2008.

6.d3 h6 7.h3 (7.Be2 a5 8.b5 Be6=) 7...Be6 8.Nbd2 c6 (8...Nbd7 9.Be2+=) 9.Be2= Qc7 (9...a5 10.b5+=) 10.0–0 Nbd7 (10...a5 11.b5=) 11.a4 (11.a3 c5=) 11...d5 Black intends e4 (11...Rfe8 12.a5=) 12.c5 (12.b5 Rfc8=) 12...a5+= 13.d4 (13.ba5!? Bc5 14.Ne5 Ne5 15.d4+=) 13...e4–/+ 14.Ne5 ab4 (14...Ne5 15.de5 Nd7 16.b5–/+) 15.Nd7 Nd7 (15...Qd7?! 16.a5+=) 16.Nb3 (16.Qc2 Rfb8–/+) 16...b6 17.Qd2? (better is 17.Qc2!?–/+) 17...bc5–+ 18.dc5 (18.Nc5 Nc5 19.dc5 Bc5–+) 18...Nc5 19.Nc5 Bc5 20.Rfc1 Qb6 (better is 20...Bd6 21.f3 c5 22.fe4 de4 23.Bc4–+) 21.Rc5? (21.Be5–+) 21...Qc5 22.Rc1 Qd6 0–1. GuestPKNM – GuestJNJB, freechess.org, 2016.

6.d4 a5 7.b5 e4 8.Nfd2 c6 9.Nc3 d5 10.Be2 Bf5=.

6.d4 c5 7.de5 de5 8.Qd8 Rd8 9.b5 e4 10.Nfd2 a6 11.Nc3 Bf5 12.Be2 ab5 13.Nb5 Rd7 14.Nb3 Nc6 15.0–0 Nb4 16.Nc1? (better is 16.a3!? Nd3 17.Bf6 Bf6 18.Bd3 ed3 19.Nc5 Ba1 20.Nd7=) 16...Nd3–/+ 17.Bc3 (17.Bd3!? ed3 18.Nb3–/+) 17…Be6–+ 0–1. Vermaas,Fred – Korchut,Adam (2090), IECG, 2006.

6.d4 d5 7.de5+= Bb4 8.Bc3 Bc3 9.Nc3 Ng4 10.h3+/– Nh6 11.cd5 Nf5 12.e4 Nh4 13.Nh4 Qh4 14.g3 Qg5 15.Bg2 Qe5 16.Qb3 Na6 17.f4 Qd4 (17...Qd4 18.Rd1 Qc5+=; 17...Qh5 18.0–0=). Hartur – calu_mishu (1605), internet, 2006.

6.Be2 Na6 7.a3 Be6 8.0–0 e4 9.Nd4 d5 10.Ne6 fe6 11.d3 c6 12.Nd2 ed3 13.Bd3 h6 14.Be2 (14.cd5 Nc7+/–) 14...Bd6 (14...Nc7 15.Nf3+=) 15.Nf3 (15.c5 Bc7+=) 15...Rc8 (15...dc4 16.Bc4 Nc7 17.Qc2+=) 16.c5+/– Bb8 17.Qc2 Qe7 18.Ne5 Ne4 19.g3 (19.Ng6!? Qc7 20.f4+/–) 19...Be5+= 20.Be5 Qg5 21.f4 Qg6 22.Qd1 (22.Rad1 Qf5+/–) 22...Nc7 (22...Ng3 23.hg3 Qg3 24.Kh1 Qh3 25.Kg1 Qg3 26.Kh1 Qh3 27.Kg1 Qg3=) 23.Bh5 Qh7 24.Qb1 (24.Bg4 Qg6+=) 24...Ne8 (24...g6 25.Bc7 Nd2 26.Qg6 Qg6 27.Bg6 Nf1 28.Bd6=) 25.Qd1 N8f6 26.a4 (26.Bf6 Nf6 27.Be2 Qf5=) 26...a6 (26...Nh5 27.Qh5 Qf5+=) 27.Bd6 (better is 27.Bf6 Nf6 28.Be2=) 27...Nd6–/+ 28.cd6 Rcd8 (28...Qe4 29.Bf3 Qb4 30.Rb1 Qd6 31.Rb7–/+) 29.b5 (29.Be2!?–/+) 29...ab5 30.ab5 Rd6 (30...Qe4 31.Ra3–/+) 31.bc6 bc6 32.Ra7 (32.Be2 c5–/+) 32...c5 33.Be2 c4 34.Qd4 Qe4 35.Qc5 (35.Qe4 Ne4 (35...de4?! 36.Bc4 Rc8 37.Ra4=) 36.Rb1 Nc5–+) 35...Rfd8 36.Bf3 Qf5 37.Rfa1 Qh3 38.Ra8 Ng4?? (38...Kh7 39.Qc7 R6d7 40.Qd8 Rd8 41.Rd8–/+) 39.Rd8 (better is 39.Bg4 Qg4 40.Qd6 Ra8 41.Ra8 Kh7 42.Qe5+–) 39...Rd8–/+ 40.Ra2?? (better is 40.Bg4 Qg4 41.e4–/+) 40...Rb8–+ (40...Rb8 41.Qd4 Rb1 42.Qd1 Rd1 43.Bd1 Ne3–+) 0–1. GuestHSHW – Guestbabyooeey, freechess.org, 2017.

6.Be2 Bg4 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 Bg4 6.Be2 0–0).

6.h3 a6 7.Be2 (7.Nc3 Nc6–/+) 7...Nc6 (7...e4 8.Nd4+=) 8.a3 (8.b5 ab5 9.cb5 Nb4+=) 8...Bd7 (8...e4 9.Nd4–/+) 9.0–0 (9.Nc3 e4 10.Ng5 Bf5=) 9...Kh8 (9...e4 10.Ne1+=) 10.d4= ed4 (10...e4 11.Nfd2=) 11.ed4 (11.Nd4 a5+=) 11...Na7 (11...d5 12.Re1=) 12.Nc3 White plans d5 (12.d5 Re8+=) 12...c6 (12...d5 13.Ne5+=) 13.Qd3 (13.d5 Re8+=) 13...Nh5 (13...d5 14.c5+=) 14.Qd2 (14.Bc1 Re8+=) 14...Qc8 (14...Re8 15.Rae1+=) 15.d5 Bh3? (better is 15...Nf6+/–) 16.gh3+– Qh3 17.Nh2 (better is 17.dc6 Qg4 18.Kh1 Qh3 19.Nh2 bc6 20.Rfe1+–) 17...g5?? (17...Rfe8 18.Rfe1+–) 18.Bh5 (18.dc6!? Nc6 19.Nd5 Ng7+–) 18...Qh5 19.Ne4 (better is 19.dc6!? Nc6 20.Nd5 f6+–) 19...f6 20.Ng3 (20.Rfe1 g4+–) 20...Qg6 21.Rae1 Rae8 22.Qd4 (22.Ne4 b5+–) 22...c5 (22...Nc8 23.Re6+–) 23.Qg4 (23.bc5 dc5 24.Qe4 b5+–) 23...b6 (23...Nc8 24.Nf3+–) 24.Re2 Kg7 (24...cb4 25.ab4 Kg8 26.Qd7+–) 25.Rfe1 (25.Nf5 Kf7+–) 25...Nc8 26.Nf5 Kf7 (26...Kh8+–) 27.Ne7 Re7 (27...Ne7 28.Qd7 Kg8 29.bc5 dc5 30.Re7 Re7 31.Qe7+–) 28.Re7 Ne7 29.Qe6 (29.Qe6 Kg7 30.Qe7 Rf7 31.Qd6+–) 1–0. Koivumaeki,Marko – Hagelberg,Lauri, Lahti We LahS op, 2002.

6.h3 e4 7.Nd4 –/+.

6.h3 h6 7.Be2 (7.Nc3 e4 8.Nd4 c5+=) 7...Be6 (7...e4 8.Nd4+=) 8.0–0= c6 (8...a5 9.b5=) 9.d3 (9.Nc3 Nbd7=) 9...Qc7 (9...a5 10.a3=) 10.Nbd2 Nbd7 (10...a5 11.b5=) 11.a3 Rfe8 (11...a5 12.Qc2=) 12.Rc1 (12.Qc2 c5=) 12...Rac8 13.Re1 Nf8 (13...a5 14.ba5 Qa5 15.Qc2=) 14.Rf1 (14.e4 Ng6+=) 14...Ng6 15.b5 (15.Qc2 c5=) 15...Qb8 (15...cb5 16.cb5 Qa5 17.Rb1+=) 16.a4 (16.bc6 bc6 17.Rb1 Qc7=) 16...d5 (16...a6 17.ba6 ba6 18.Qc2=) 17.cd5+= cd5 18.Rc8 (18.Qb3 Nd7=) 18...Rc8 19.Qa1 (19.Ne5 Ne5 20.f4 Nc6 21.bc6 bc6=) 19...Bd6 (19...Bb4+=) 20.e4 (better is 20.Rc1!?=) 20...Nf4–/+ 21.Re1 d4 22.Bf1 1–0. GuestPKNM – GuestJNJB, freechess.org, 2016.

6.Qc2 e4

7.Nd4 c5!? A) 8.bc5 dc5–/+ 9.Nb3 Bf5 10.Be2 Nc6 11.0–0 Re8 12.a3 Qd6 13.Nc3 Qd7+=; B) 8.Nb5 Bf5 (8...Na6 9.bc5 dc5 10.a3 Bf5 11.f3 Re8 12.fe4 Be4 13.d3 Bc6–/+; 8...cb4 9.d3 Bf5 10.Nd2 d5 11.cd5 ed3 12.Bd3 Bd3 13.Qd3 Nd5+=; 8...Nc6 9.bc5 dc5 10.a3 Re8 11.d4 cd4 12.Nd4 Nd4 13.Bd4 b6+=) 9.a3 Nc6 10.bc5 dc5 11.f3 Re8 12.fe4 Ne4 13.Qc1 Bf6–+; C) 8.Nb3 cb4 (8...Nc6 9.b5 Nb4 10.Qc3 d5 11.a3 dc4 12.ab4 cb3 13.bc5 Be6+=; 8...Na6 9.b5 Nb4 10.Qc3 d5 11.a3 dc4 12.ab4 cb3 13.bc5 Be6+=) 9.d3 d5 10.N1d2 Bf5 11.cd5 ed3 12.Bd3 Bd3 13.Qd3 Nd5+=.

7.Nd4 Nc6 8.Nc6= bc6 9.Be2 (9.d4 d5 10.a3 Bg4 11.h3 Be6 12.Be2 a5 13.ba5 Ra5=) 9...d5 (9...Rb8 10.a3 a5 11.ba5 Bf5 12.Nc3 c5 13.0–0 c6+=) 10.c5 (10.a3 a5 11.ba5 Bg4 12.Bg4 Ng4 13.d3 ed3=) 10...Be6 (10...a5 11.a3= Ba6 12.Ba6 Ra6 13.0–0 ab4=) 11.h3 (11.d4 Qd7= (11...ed3 12.Bd3 a5 13.ba5 Ra5=) 12.0–0 Rfb8 13.a3 a5=) 11...Nd7 (11...a5 12.ba5 Ra5 13.Bd4+= Qa8=) 12.Qa4 (better is 12.d4!?= Bh4 13.Bc3 Qf6=) 12...a5–/+ 13.ba5 (13.Bd4 ab4 14.Qb4 Qb8 15.Qb8 Rfb8–/+) 13...Nc5 (13...Bc5–/+) 14.Qd4 (14.Qc2!?–/+) 14...Bf6–+ 15.Qb4 Bb2 (15...Qd6 16.a3 Rfb8 17.Bf6 Rb4 18.ab4 gf6 19.bc5 Qc5 20.Nc3 Ra5 21.Rd1–+) 16.Qb2 Ra5 17.Qc3 (17.0–0 Qg5 18.Kh1 Na4–/+) 17...Qa8 18.0–0 d4 (18...Rb8 19.Bd1–+) 19.ed4–/+ Nb3! 20.a3 (20.ab3 Ra1) 20...Na1 21.Qa1 Rd8 22.Rc1 (22.Qc3 Ra4–+) 22...Ra4 23.Qc3 (23.d3 ed3 24.Bd3 Rad4–+) 23...Rd6 (23...Ba2 24.f3 Rad4 25.fe4 Re4 26.Bd3 Bb1 27.Bb1–+) 24.f3 Rad4 25.fe4 (25.Qc5 ef3 26.Bf3 Qd8–+) 25...Re4 26.Bf3 (26.Bd3 Red4 27.Bc2 Qb8–+) 26...Rc4 27.Qb2 Qa7 (27...Rc1 28.Qc1 Bd5 29.Qf1–+) 28.Kh1 (28.Kh2 Rc1 29.Qc1 Qd4–+) 28...Rf4 (28...Qb6 29.Rc2–+) 29.Rc5?! (29.Re1 Qb6 30.Qc1 Qf2–+) 29...f6 (better is 29...Bh3 30.Rg5 f6–+) 30.Bc6?? (30.Rc3–+) 30...Rf1 (30...Rc6 31.d4 Rc5 32.dc5 Rf1 33.Kh2 Qc5 34.Qc3 Qd6 35.Qg3 Rh1 36.Kh1 Qg3 37.Nd2 Qe1 38.Kh2 Qd2 39.Kg1 Bd5 40.Kf1 Qg2 41.Ke1 Bf3 42.a4 Qe2) 31.Kh2 Rc6 (31...Qc5?! 32.Qb8 Rd8 33.Qd8 Qf8 34.Qf8 Kf8 35.Nc3–+) 32.Qb5 Qc5 33.Qf1 Qe5 34.Kg1 (34.Kh1 Qb2 35.Nc3 Qd2–+) 34...Qb2 35.Kh2 Rc1 36.Qe2 Qe5 (36...Bd7 37.Qe4 Rb1 38.Qd5 Kf8 39.Qc5 Ke8 40.Qc7 Qd2 41.a4–+) 37.Qe5 fe5 38.Nc3 Rc2. Pangalis,G – Stefanidi,Maria Anna (2035), Open, Nikea GRE, 2002.

7.Ng1 A) 7...Bf5 A1) 8.d4 Nbd7 (8...d5 9.a3 Nbd7 10.Nc3 c6 11.Nge2 a5 12.Ng3 Be6 13.b5 cb5+=; 8...c5 9.a3 cb4 10.ab4 d5 11.c5 Nbd7 12.Nd2 Qc7 13.Ngf3 Be6+=; 8...a5 9.b5 Nbd7 10.Nc3 Nb6 11.Rd1 d5 12.c5 Nc8 13.Nge2 Qd7=; 8...Re8 9.Nc3 Nc6 10.a3 a5 11.b5 Nb8 12.Nge2 Bf8 13.Ng3 Bg6+= ) 9.Nc3 d5 10.a3 c6 11.Rc1 dc4 12.Bc4 b5 13.Bb3 a5+= ; A2) 8.Nf3 c5 (8...Nc6 9.b5 Nb4 10.Qa4 d5 11.Nd4 Be6 12.Ne6 fe6 13.cd5 Nd7+=; 8...Nbd7 9.Nc3 a5 10.Nd4 ab4 11.Nf5 bc3 12.Bc3 Nc5 13.Qb2 Re8=; 8...a5 9.Nd4 Bg6 10.ba5 Na6 11.Be2 d5 12.Bc3 dc4 13.Bc4 Qd6+=; 8...Bg6 9.Nh4 Bh5 10.Nf5 Bg4 11.Ne7 Qe7 12.Bf6 Qf6 13.Nc3 Bf5=) 9.a3 Qd7 10.Nh4 Be6 11.d4 Ng4 12.g3 Bh4 13.gh4 cd4–/+; A3) 8.Nc3 Nc6 (8...a5 9.b5 Nbd7 10.Nf3 Nc5 11.Nd4 Bg6 12.Be2 a4 13.0–0 a3+=) 9.Nd5 Nd5 10.cd5 Nb4 11.Qc3 Nd3 12.Bd3 Bf6 13.Qb3 ed3–+; A4) 8.a3 a5 (8...c5 9.Ne2 cb4 10.ab4 Nc6 11.Nd4 Nd4 12.Bd4 d5 13.Ra7 Ra7+=; 8...Nc6 9.d4 ed3 10.Bd3 Bd3 11.Qd3 Ne5 12.Be5 de5 13.Qd8 Rfd8+=; 8...Re8 9.Ne2 a5 10.Ng3 Bg6 11.b5 Nbd7 12.Be2 Nc5 13.0–0 d5+=; 8...d5 9.Ne2 a5 10.Ng3 Be6 11.cd5 Bd5 12.ba5 Na6 13.Nc3 Nc5=) 9.Nf3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.Nd4 Bd7 13.b5 Nc5+= ; B) 7...d5 B1) 8.Nc3 Bf5 (8...c6 9.a3 a5 10.b5 Nbd7 11.d3 Nc5 12.cd5 cd5 13.de4 de4+=; 8...Bb4 9.cd5 Bf5 10.Nge2 Nd5 11.Ng3 Be6 12.Nd5 Bd5 13.Bg7 Kg7=; 8...dc4 9.Ne4 Ne4 10.Qe4 Bb4 11.Nf3 Re8 12.Qc4 Nc6 13.Bd3 Be6+=; 8...Re8 9.a3 a5 10.b5 c6 11.cd5 cd5 12.d3 Bd6 13.de4 de4+= ) 9.b5 dc4 10.Nf3 ef3 11.Qf5 fg2 12.Bg2 c6 13.Rg1 Qd6+=; B2) 8.a3 a5 (8...dc4 9.Bc4 a5 10.b5 Nbd7 11.f3 Nb6 12.fe4 Nc4 13.Qc4 Be6=; 8...c6 9.Nc3 a5 10.b5 Nbd7 11.d3 Nc5 12.cd5 cd5 13.de4 de4+=; 8...Bf5 9.Ne2 a5 10.Ng3 Be6 11.cd5 Bd5 12.ba5 Na6 13.Nc3 Nc5=; 8...Re8 9.cd5 Nd5 10.Bc4 Nf6 11.Ne2 a5 12.b5 Nbd7 13.d3 ed3+=) 9.cd5 ab4 10.ab4 Ra1 11.Ba1 Nd5 12.Qe4 Nb4 13.Nf3 Nd7+= ; B3) 8.b5 dc4 (8...a6 9.cd5 ab5 10.Nc3 b4 11.Ne4 Nd5 12.Nf3 f5 13.Ng3 Nc6+=; 8...Bf5 9.Nc3 dc4 10.Nf3 ef3 11.Qf5 fg2 12.Bg2 c6 13.Rg1 Qd6+=) 9.Bc4 a6 10.Be5 ab5 11.Bc7 Qd7 12.Be2 Qc6 13.Qc6 bc6–/+; B4) 8.cd5 Bb4 (8...Nd5 9.Qe4 Nb4 10.a3 Nd5 11.Bc4 c6 12.Nf3 Re8 13.Qc2 b5=) 9.a3 Be7 10.Nc3 Nd5 11.Qe4 Nf6 12.Qc2 Nc6 13.Nf3 Re8=; C) 7...Nc6 C1) 8.a3 a5 (8...Bf5 9.d4 ed3 10.Bd3 Bd3 11.Qd3 a5 12.b5 Ne5 13.Be5 de5+=) 9.b5 Ne5 10.f3 Bf5 11.Be5 de5 12.Nc3 Bc5 13.Nge2 Qe7+=; C2) 8.b5 Ne5 9.f3 Bf5 10.Be5 de5 11.Nc3 Bb4 12.Nge2 Qd3 13.Qb2 ef3+=.

7.Ng5 A) 7...Na6 8.a3 c5 (8...d5 9.cd5 Qd5 10.h4 Bf5 11.Nc3 Qd7 12.Nce4 Ne4 13.Ne4 Rad8+/–; 8...Bf5 9.f3 Re8 10.Nc3 c5 11.b5 Nc7 12.fe4 Bg4 13.h3 Bh5+=; 8...Re8 9.Ne4 Bf5 10.Bd3 Ne4 11.Be4 Be4 12.Qe4 Bf6 13.Qb7 Bb2+=; 8...Be6 9.Nc3 Bf5 10.Nge4 Ne4 11.Ne4 c5 12.b5 Nc7 13.Bd3 Bg6+/–) 9.Ne4 cb4 10.Ng5 Re8 11.Be2 Qa5 12.Nf3 Bf5 13.Qb3 ba3=; B) 7...Bf5 8.Nc3 (8.f3 d5 9.cd5 Nd5 10.Ne4 Bb4 11.Nbc3 Bc3 12.Bc3 Nc6 13.Bb5 Ncb4+=; 8.d3 d5 9.a3 h6 10.de4 de4 11.Nf3 c5 12.bc5 Na6 13.c6 bc6+=; 8.a3 h6 9.Nf3 Bg6 10.Ng1 a5 11.b5 Nbd7 12.Nc3 Nc5 13.Rb1 Re8+=) 8...d5 9.b5 h6 10.Nf3 Bh7 11.Ne5 dc4 12.Bc4 Nbd7 13.Nd7 Qd7+=; C) 7...d5 8.cd5 Qd5+= (8...Bf5 9.a3 a5 10.d3 ed3 11.Bd3 Bd3 12.Qd3 Qd5 13.Qd5 Nd5–/+; 8...Nd5 9.Ne4 Bb4 10.a3 Be7 11.Bc4 Be6 12.0–0 Nc6 13.d3 f5=) 9.f4 Qc6 10.Nc3 Bb4 11.a3 Ba5 12.Qb3 Nbd7 13.Rc1 Nc5–/+.

6.Nc3 b6

7.a4 Bb7 8.b5 Nbd7 (8...c5 9.Be2=) 9.Be2= h6 (9...c5 10.0–0=) 10.0–0 a6 (10...c5 11.bc6 Bc6 12.d4=) 11.d4 ed4 (11...Re8 12.d5=) 12.ed4 (12.Nd4 Re8+=) 12...ab5 (12...Re8 13.Re1+=) 13.ab5+= Ra1 (13...d5 14.Ne5+=) 14.Qa1 Qa8 (14...d5 15.Ne5+=) 15.Qc1 (15.Qa8 Ra8 16.d5 Kf8+=) 15...Ne4 (15...d5 16.cd5 Bd6 17.Qc2+=) 16.Qc2 (16.d5 Nc3 17.Bc3 Bf6+=) 16...Nc3 17.Bc3 (17.Qc3 Re8 18.Ra1+=) 17...Nf6 (17...Be4!? 18.Qd1 Re8+=) 18.d5+/– Nd7 (18...Qd8 19.Re1+/–) 19.Qf5 (19.Qe4 Bf6 20.Bd3 g6 21.Bf6 Nf6+/–) 19...Qc8 (19...Bc8 20.Ra1 Qb8 21.Bd3+/–) 20.Bd3 g6 (20...Nf6!?+/–) 21.Qf4+– Kh7 22.Bd2 (22.Bd2 Kg8 23.Qh6+–) 1–0. pierre (2015) – katrica, internet, 2015.

7.Be2 e4 8.Ng5 d5 9.cd5 Bb4 10.Nge4 Ne4 11.Ne4 Re8 +=.

7.e4 Bb7+= 8.d3 c5 (8...Nbd7 9.Be2=) 9.b5 (9.bc5 bc5 10.Be2 Nbd7=) 9...Re8 (9...a6 10.ba6 Na6 11.Be2=) 10.g3 (10.Be2 a6=) 10...Nbd7 (10...Bc8 11.Bg2+=) 11.Bg2= Nf8 (11...Bc8 12.0–0=) 12.0–0 Ne6 13.Nd5 Nd5 (13...a6 14.Ne7 Qe7 15.Qb3=) 14.cd5 (14.ed5 Nf8=) 14...Nd4 15.Nd4 cd4 (15...ed4 16.f4=) 16.Qg4 (16.f4 Qd7 17.a4 a6=) 16...Bc8 (16...a6 17.f4=) 17.Qe2 (17.Qh5 Bd7 18.a4 a6=) 17...Bd7 18.a4 (18.Rfb1=) 18...Rc8 (18...a6 19.Rfb1+=) 19.Rfc1 (19.f4 Bf6+=) 19...Rc5 (19...a6 20.ba6 Ra8 21.Qd1=) 20.Ba3+= Rc3 (20...Rc1 21.Rc1 Rf8 22.f4+=) 21.Rc3 dc3 22.Rc1 Qc7 (22...a6!?+=) 23.Bb4+/– Rc8 (23...a6 24.Rc3 Qb7 25.Qc2+/–) 24.Rc3 Qb7 25.Qc2 (25.Rc8 Qc8 26.Qb2 a6+=) 25...a6 (25...Rc3 26.Qc3 Bg4 27.Qc6+–) 26.Rc8 Qc8 27.Qc8 Bc8 28.ba6 Ba6 29.Bf1 g6 (29...Bc8 30.f4 f6 31.Bc3+/–) 30.Kg2 (30.f4 f6+–) 30...f5 (30...Bc8 31.Bc3+/–) 31.f4 Kf7 32.Kf3 (32.Bc3 Bf6+/–) 32...h6 (32...ef4!? 33.ef5 fg3 34.fg6 Kg6 35.hg3 h5+/–) 33.Be2+/– g5 (33...Kf6!?+/–) 34.ef5 Bb7 35.Ke4 gf4 36.gf4 ef4 37.Bf3 Ba6 (37...Bc8 38.Bh5 Kg7 39.Kf4+–) 38.d4 (38.Bd2 Bc8 39.Bh5 Kf6 40.Kf4 Kg7+–) 38...Kf6 (38...Bc4 39.Kf4 Bb3 40.a5 ba5 41.Ba5 Bg5 42.Kg4+–) 39.Kf4 Bd3 40.Be4 Be4 (40...Bc4 41.h4+–) 41.Ke4 Kg5 (41...Kf7 42.Bd2 h5 43.Bf4+–) 42.Bd2 Kh5 43.Kd3 (43.Be3 Bf8+–) 43...Kg4 44.Ke4?? (44.Bh6 Kf5 45.Kc4 Kg6+–) 44...h5?? (44...Kh5 45.Bf4 Bf8+–) 45.Bh6 Bf6 (45...h4+–) 46.Bf8 Kh3 (46...Kg5 47.Bd6 Bd8 48.Ke5+–) 47.Bd6 h4 (47...Bd8 48.Ke5 Bh4 49.f6+–) 48.Be5 (48.Be5 Be7 49.d6 Bd6 50.Bd6+–) 1–0. Kosoian,Bela (2020) – Dorval,Cedric (1730), Paris Apsap op, 2002.

6.Nc3 c5

7.bc5 dc5 8.Qc2 b6 (better is 8...Nc6!?+=) 9.Ne5+= Nbd7? (better is 9...Bb7+=) 10.Nc6+– Qe8 11.Nb5 Bb7? (better is 11...Nb8 12.Nca7 Na6 13.Nc8 Qc8+–) 12.Nc7 (12.Nba7?! Bd6 13.Qf5 g6+/–; 12.Nca7?! Qb8 13.Qa4 Ng4+/–) 12...Qc8 (12...Bc6 13.Ne8 Rfe8+–) 13.Ne7 (13.Ne7 Kh8 14.Nc8 Rac8 15.Nb5+–) 1–0. Janek – Tundja, internet, 2017.

7.bc5= dc5 8.Be2 Nc6 9.0–0 e4 10.Ne1 (10.Ng5 Bf5=+) 10...Bf5 (10...Qb6 11.Rb1=+) 11.g4 (11.f3 Qd7=) 11...Bg6=+ 12.h4 (12.d3 Re8–/+) 12...h6 (12...Qb6 13.Rb1 Qa6 14.h5 Nh5 15.gh5+–) 13.f4 Nb4 ( 13...Qb6!? 14.Rb1 Nb4–/+) 14.f5= Bh7 15.g5 hg5 16.hg5 Nd7 17.Ne4 Bg5 18.Nf3 Bf6 19.Bf6 Nf6 20.Nfg5 Ne4 21.Ne4 Qh4 (21...Qh4 22.Nc5 Qg3 23.Kh1 Qh3 24.Kg1 Qg3 25.Kh1 Qh3 26.Kg1 Qg3=; 21...b6 22.d3=). Hartur – yaunootz (1615), internet, 2006.

7.bc5= dc5 8.Ne5!? Nbd7 9.Nd7 Bd7 10.Qf3+=.

7.bc5 dc5 8.Ne5 Re8+=.

6.Nc3 Be6

7.d4 ed4 8.Nd4 Qd7 9.Ne6 Qe6 (9...fe6 10.b5+=) 10.Be2 c6 11.0–0 Rd8 12.Qb3 Nbd7 13.Rad1 Ne5 14.Rd2 a6 15.Rfd1 Rd7 (15...b5 16.c5 d5 17.Rd4=) 16.h3 Rad8 17.Rd4 c5 18.bc5 dc5 19.Rd7 Rd7 20.Rd7 Qd7 21.Nd5 Nd5 22.cd5 Bd6 23.f4 Ng6 24.a4 Qe7 25.Qc3 f6 26.Kf2 Qe4 27.Qc4 Qc4 28.Bc4 Ne7 29.Kf3 h5 30.e4 Ng6 31.g3 Kf8 (better is 31...h4 32.Bc1 hg3 33.Kg3 Kf7+/–) 32.Ke3?? (better is 32.h4+–) 32...h4= 33.f5 Ne5 34.Be5 Be5 35.gh4 Kg8 36.Kf3 Kh7 37.Kg4 Kh6 38.Be2 a5 39.Bb5 b6 40.Be2 Bd6 41.Ba6 Be5 42.Bb5 Bd6 43.Be2 Be5 44.h5 Bd6 45.h4 Kh7 46.Bc4 Be5 47.Bb3 Bd6 48.Bc4 Be5 49.Be2 Bd6 50.Kf3 Kg8 51.Ke3 Kf7 ½–½. Veer,Willem (1955) – Mongiello,Anthony, 38th Olympiad, Dresden GER, 2008.

7.Be2 a6 8.Qc2 Nc6 9.a3 Qd7 10.0–0 h6 (10...Rfe8 11.e4+=) 11.d4+= ed4 12.ed4 Bf5 13.Qd2 White prepares the advance d5 (13.Bd3 Bd3 14.Qd3 Rfe8+=) 13...Rad8 (13...Rfe8 14.Rfe1+=) 14.d5+/– Nb8 (14...Ne5 15.Nd4+/–) 15.Nd4 Bh7 16.Bd3 Bd3 17.Qd3 c6 (17...Rde8 18.h3+/–) 18.Nf5+– cd5? (better is 18...Rde8+–) 19.Nd5 Nd5 20.Qd5 1–0. Prince W – chessNstocks, ChessWorld.net, 2015.

7.Be2 Nc6 8.b5 Na5 9.Qa4 c6 10.0–0 cb5 11.cb5 (worse is 11.Qb5 Rc8 12.c5 Rc5–/+; worse is 11.Nb5 a6 12.Na3 Nc6+=) 11...Nd7 12.d3 a6 13.ba6 Nc5 14.Qc2 Na6 (worse is 14...Ra6 15.d4 Nd7 16.Ba6 ba6 17.Rfc1+–; worse is 14...ba6 15.d4 Nd7 16.Rab1+/–) 15.d4 Nb4 16.Qb1 Nc4 17.a3 Nd5 18.Nd5 Bd5 19.Bc4 Bc4 20.Rc1 e4 21.Qe4 d5 22.Qc2 b5 23.a4 b4 24.Ne5 Rc8 25.a5 (worse is 25.Nc4 dc4 26.Rd1 c3–/+) 25...f6 26.Nd3 Bd3? (better is 26...b3 27.Qd2 Bd6=) 27.Qd3+– Rc1 28.Bc1 (28.Rc1?! Qa5 29.Qf5 Rd8=) 28...Qb8 (28...Qc7!?+/–) 29.a6+– Qa7? (better is 29...Qc7+–) 30.Qb5 Rd8 31.Bd2 Qb8 (31...Rb8 32.Qd5 Kf8 33.Bc1+–) 32.Qb8 (better is 32.Qa5 Rd7 33.a7+–) 32...Rb8 33.a7 Ra8 34.Kf1 b3 35.Bc1 Kf7 36.Ke2 Ke6 37.Kd3 Kd7 38.Kc3 Kc6 39.Ra5 Kb6 40.Rd5 Ra7 41.Kb3 1–0. Derbin,Alexey (1945) – Korobeynikov,Alexandr (1865), 2012.

7.Be2 Nbd7 8.0–0 a6 9.d4. xadrezpg (2290) – bernardofischer (2035), net–chess.com, 2010.

6.d3 c6

7.Nc3 Re8 (7...Be6 8.Be2 Qb6 9.a3 Nbd7 10.0–0 a5=; 7...Na6 8.a3 Nc7 9.Be2 a5 10.0–0 b5=; 7...Qb6 8.a3 Bg4 9.Be2 a5 10.b5 Nbd7=; 7...Bd7 8.Be2 Qb6 9.a3 a5 10.c5 Qc7=; 7...Bg4 8.Be2 Nbd7 9.0–0 d5 10.a3 a5=; 7...Bf5 8.Be2 a5 9.b5 cb5 10.Nb5 Nc6=; 7...Nbd7 8.Be2 d5 9.cd5 cd5 10.a3 a5=; 7...Qc7 8.a3 a5 9.b5 Rd8 10.Be2 d5=; 7...d5 8.Ne5 Bb4 9.Qb3 Qe7 10.d4 Bf5=) 8.Be2 d5 9.a3 a5 10.Ne5 ab4=.

7.Be2 Qb6 8.a3 a5 9.Qa4 Bg4 10.Nbd2 Nbd7+=.

7.Be2 Nbd7 8.Nbd2 h6 9.0–0 Nh7 10.a3 Ndf6 11.Qc2 a6 12.d4 Bg4 (12...ed4 13.Nd4 Ng5 14.Rfd1+/–) 13.h3 (13.de5 de5 14.Be5 c5+–) 13...Bh5 (better is 13...Bf3!? 14.Bf3 ed4 15.Bd4 Ng5+=) 14.de5+– Bg6 15.Bd3 Bd3 16.Qd3 Nd7? (better is 16...de5 17.Ne5 Qd3 18.Nd3 Rad8+/–) 17.ed6+– Bf6 18.Bf6 Nhf6 19.c5 Re8 20.Rfe1 Ne5 21.Ne5 Re5 22.Qd4 Rd5 23.Qc3 Qd7 24.Rad1 Re8 25.Nf3 Ne4 26.Qc2 Rd1 27.Rd1 f5 28.Nd2 Qe6 29.Ne4 fe4 30.Rd4 Rf8 (30...Kf7 31.Qd1+–) 31.Qe4 Qe4 (31...Qf7 32.Qh4 Qd7 33.Qe7+–) 32.Re4 Rd8 (32...Rb8 33.Re7 Kf8 34.e4+–) 33.Re7 Kf8 34.Rb7 g5 35.Rb6 Rc8 36.Ra6 Re8 (36...Kf7 37.Ra7 Ke6 38.Re7 Kd5 39.e4 Kc4 40.e5+–) 37.Rc6 Ra8 (37...Rd8 38.Rc7 h5 39.Rh7+–) 38.d7 Ke7 39.Rc8 (39.Rc8 Kd7 40.Ra8+–) 1–0. Fournier,Frederic (1610) – supersayayo, Active, 2007.

6.d3 Nc6

7.a3 a6 8.Nbd2 Be6 9.Be2 Rb8 10.0–0 b5 11.cb5 ab5 (worse is 11...Rb5 12.d4 Rb6 13.de5 de5 14.Ne5 Ne5 15.Be5+/–) 12.Qc2 Qd7 13.Rac1 Rb6 14.d4 ed4 15.Nd4 (worse is 15.Bd4 Nd4 16.Nd4 c5 17.Ne6 fe6 18.bc5 dc5=) 15...Nd4 16.Bd4 (worse is 16.ed4 c6=) 16...Rb7 17.Qc6 Qc6 18.Rc6 Rc8 19.Rfc1 Bd5 20.R6c2 Ne4? (20...c5 21.Bf6 gf6 22.a4 ba4 23.Ba6=) 21.Ne4 (better is 21.Bg4!? Ra8 22.Ne4 Be4 23.Rc7 Rc7 24.Rc7+–) 21...Be4+= 22.Rc3 Bf6 (22...Kf8!?+=) 23.Bf6+/– gf6 24.f3 Bd5 25.e4 Be6 26.Rc6 (26.g4 Bd7+/–) 26...Kf8 27.R6c3 Ke7 (27...Kg8!?=) 28.g3 h6 29.Kf2 Ra7 (29...f5 30.a4 ba4 31.Ba6 Rb4 32.Bc8 Bc8 33.Rc7 Bd7 34.Ra7 Rb2 35.Ke3+–) 30.Ke3 (30.Bb5 f5+–) 30...Rb7 (30...Bd7 31.Kf4+=) 31.f4 (31.a4 Bd7+/–) 31...f5 32.Bd3 (32.e5!?+/–) 32...fe4+= 33.Be4 d5 (better is 33...Ra7!?=) 34.Bf3+/– f5 (34...Kf6!?+/–) 35.Kd4+– Kd6?? (better is 35...Ra7+–) 36.Rc6 Kd7 37.Bd5 (better is 37.Re6 Ke6 38.Bd5 Kd6 39.Bb7+–) 37...Bd5 38.Kd5 Ra7 39.R6c3 (39.Rh6!? Re8+–) 39...Ra6 40.R1c2 Rd6 41.Kc5 (41.Ke5 c6 42.Kf5 Re8+–) 41...Re8? (better is 41...Rb8 42.Re2 Rc6 43.Kd4 Rd6 44.Ke3 Ra8+/–) 42.Kb5+– Rb8 43.Ka4 Ra8 44.Kb3 Rd1 (44...c6 45.a4+–) 45.Kb2 (45.Rc7 Kd8+–) 45...Rc8 (45...Ra7 46.Rc5+–) 46.a4 (46.Rc5 Ke6+–) 46...c6 (46...Rd4 47.Kb3 Rd1 48.a5+–) 47.a5 (47.b5 Ra8 48.bc6 Kc7+–) 47...Rd6 48.Rc4 Re8 49.Kb3 Re3 50.R4c3 Re1 51.h4 (51.Rc5!? Rb1 52.Kc4 Rf6+–) 51...Rb1 52.Rb2 Ra1 53.Kc4 Rd5 54.Rd3?? (better is 54.Re2+–) 54...Rc1= 55.Kb3?? (55.Rc3 Ra1 56.Re2+–) 55...Rd3–+ 56.Ka2 Rdd1 (better is 56...Rg3!? 57.h5–+) 57.Kb3 Ra1 58.Kc3 Rac1 59.Kb3 1–0. Fournier,Frederic (1820) – RMASTER2005 (1680), Active, 2005.

7.a3 a6 8.Be2 Bf5 9.Nbd2 Bg6 10.0–0 Nd7 11.e4 f5 12.ef5 Bf5 13.Ne4 Bg6 14.Ng3 Nf6 15.Nh4 Bf7 16.Nhf5 Nd7 17.Ne7 Qe7 18.Bf3 Nf6 (18...Be6 19.Qe2=) 19.Re1 Qd7 20.Ne4 Ne4 21.Be4 Ne7? (better is 21...d5!? 22.Bf3 Qd6=) 22.d4 Bc4 23.de5 d5 24.Qd4 (24.e6 Qd6 25.Qg4 g6 26.Bg6 Ng6+–) 24...Nf5 25.Bf5 Qf5 26.e6 Qg6 (26...Rf6!?+=) 27.Re3+/– Rfe8?? (better is 27...Rf5 28.f4 Qf6+–) 28.Rg3+– Qg3 29.hg3 Re7 30.Re1 Rae8 31.f4 c6 32.f5 Rf8 33.g4 (33.Qg4 Bd3 34.f6 Bg6 35.fe7 Re8 36.Rf1 c5 37.Qf3 Bf5 38.Qf5 Rb8 39.Qf7 Kh8 40.Bg7) 33...h6 34.Qc5 Rfe8 35.Be5 Ra8 (35...g6+–) 36.Qe7 1–0. Fournier,Frederic (1670) – glp (1770), Active, 2007.

7.b5 Nb8 8.Be2 c6 (8...a6 9.0–0=) 9.Qc2 (9.0–0 cb5 10.cb5 a6=) 9...Nbd7 (9...cb5 10.cb5 Qa5 11.Nc3=) 10.0–0 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 c5 (13...Re8 14.Nbd2=) 14.Nc3 b6 15.Qa4 Bb7 16.Bb2 Qa8 (16...Qc7 17.Nh4=) 17.Ra1+= Qa4 18.Ra4 Ra8 19.Ra8 Ba8 20.Na4 (better is 20.Nd2+=) 20...d5? (better is 20...Bb7=) 21.Ne5+– Ne5 22.Be5 dc4 23.dc4 Nd7 (23...Bd8 24.Bf6 gf6 25.Bf3 Bf3 26.gf3+–) 24.Bc7 Bf6 (24...Be4 25.Nb6 (25.Bb6?! Bc2+=) 25...Nb6 26.Bb6+–) 25.Nb6 Nb6 26.Bb6 Be7 27.f3 (27.Bf3!? Bf3 28.gf3 Bd6+–) 27...h6 28.Kf2 f6 29.Bd3 Kh8 (29...Kf7 30.h4+–) 30.Bg6 (better is 30.Bc7!? f5+–) 30...Bb7 31.Ke2 Bd6 32.Kd3 Bc8 33.g3 (33.g4 Kg8+–) 33...Bd7 (33...Kg8 34.g4+–) 34.Bf7 g5 35.Ke4 (35.Bd5 g4 36.fg4 Bg4+–) 35...Kg7 36.Bd5 Kg6 (36...g4 37.f4 Kf8 38.Ba7+–) 37.Bc6 (better is 37.Bg8 Kg7 38.Kd5 Bg3 39.Be6 Be6 40.Ke6 Bh2 41.Bd8+–) 37...Bc6 (37...Be6 38.Kd3 f5+–) 38.bc6 f5 (38...Bb8 39.c7 Bc7 40.Bc7 f5 41.Kd5+–) 39.Kd5 Bg3 (39...Bb8+–) 40.hg3 h5 Black plans g4 41.c7 g4 42.f4 h4 (42...Kg7 43.c8Q h4 44.Bc5 hg3 45.Bd4 Kf7 46.Qd7 Kf8 47.Ke6 g2 48.Qd8) 43.c8Q hg3 (43...Kg7 44.Bc5 Kg6 45.Qg8 Kf6 46.Qh7 hg3 47.Bd4) 44.Qg8 Kf6 (44...Kh6 45.Bc5 g2 46.Bf8 Kh5 47.Qg5) 45.Qe6 (45.Bd8) 45...Kg7 46.Qf5 Kh6 (46...g2 47.Bc5 g1Q 48.Bd4 Kg8 49.Qg6 Kf8 50.Bc5) 47.Qg5 (47.Qf7 g2 48.Bd8 g1Q 49.Bg5) 47...Kh7 48.Bc5 g2 49.e4 (49.Bd4 g1Q 50.Qg7) 49...Kh8 (49...g1Q 50.Qf5 Kg7 51.Qf8 Kh7 52.Qf7 Kh8 53.Bg1 g3 54.Bd4) 50.Bd4 Kh7 51.Qg7 1–0. Goldmund,Heike – Kehayov,Yulian, FICGS, 2016.

6.d3 Bf5

7.Be2 a5 8.b5=.

7.Be2 Nbd7 8.0–0 c6 9.Nbd2 Re8 10.e4 Bg4 11.h3 Bh5 12.a3 c5 13.g4 Bg6 14.Nh4 cb4 (better is 14...Rf8!?=) 15.g5+/– Ne4 16.Ne4 (16.Ng6?! Ng5 17.Ne7 Qe7=) 16...Be4 17.de4 Bg5 18.Nf5 Re6 19.ab4 Bf4 20.Qd3 Qg5 (20...Qb6+–) 21.Kh1 Rg6 22.Rg1 Qf6 23.Qd5 Rb8 (23...Qd8 24.Nd6 Qh4 25.Qf7 Kh8 26.Qd7 Qf2 27.Nf7 Kg8 28.Nh6 Kh8 29.Nf7 Kg8 30.Nh6 Kh8 31.Nf7=) 24.Ra7 Rg1 25.Kg1 Qg5 26.Kh1 Bc1 27.Rb7 Rb7 28.Qb7 Bb2 29.Qd7 Qc1 (29...h5 30.Qe8 Kh7+–) 30.Bd1! Qd1 (30...Qd1 31.Kg2 Combination) 31.Kg2 h6 (31...h5 32.Qe8 Kh7 33.Qf7 Qh1 34.Kh1 d5 35.Qg7) 32.Qe8 Kh7 33.Qf7 1–0. Fournier,Frederic (2080) – Mmdralb (1750), echecsemail.com Team Ch, 2006.

7.Be2 h6 8.Nbd2 (8.0–0 a6=) 8...Nbd7 (8...a5 9.b5=) 9.0–0 c6 (9...a5 10.a3=) 10.a3 (10.e4 Bg6=) 10...Qc7 (10...a5 11.e4 Bg6 12.Qc2=) 11.e4 Bh7 (11...Bg6 12.Re1=) 12.h3 (12.Re1 a5+=) 12...Rfe8 (12...a5 13.Qc2=) 13.Qb3 (13.Qc2 a5=) 13...Nf8 (13...Rad8 14.Qc2=) 14.Rac1 (14.Qc2 a5=) 14...Ng6 (14...Ne6 15.Rfe1=) 15.Rfd1 (15.d4 Nf4 16.Bd3 ed4 17.Bd4 Nd7=) 15...Nf4 16.Bf1 (16.Re1 Bg6=) 16...Nd7 (16...a5 17.b5=) 17.d4 White intends c5 17...Rf8 (17...a5 18.de5 ab4 19.ab4 (worse is 19.Qb4 d5 20.c5 Nc5 21.ed5 Nd5+=) 19...Ne5 20.c5+=) 18.g3 (18.Qe3 Ne6+=) 18...Ng6 (18...Ne6 19.Bg2+=) 19.h4 (19.Bg2 a5+=) 19...Nf6 (19...ed4 20.h5 Nge5 21.Nd4=) 20.Bh3 (20.c5 Rad8+=) 20...Rfe8= 21.c5 (21.Bf5 ed4 22.Nd4 a5=) 21...ed4 22.Bd4 (22.cd6 Bd6 23.Nd4 Be5= (23...Ne4? 24.Ne4 Re4 25.Nb5 cb5 26.Rc7 Bc7 27.Rd7+–)) 22...dc5 (22...Ne5 23.Qe3=) 23.bc5+= Nd7 (23...Rad8 24.Rb1 Rd4 25.Nd4 Bc5 26.Nf5=) 24.Qc3 Bf8 25.e5 (25.Rb1 Rad8+=) 25...Ne7?? (better is 25...Nge5 26.Ne5 Ne5–/+) 26.e6+= fe6 27.Be6 Kh8 28.Bd7 (28.Be5 Ne5 29.Ne5 Nd5 30.Nf7 Qf7 31.Bf7 Nc3 32.Rc3 Re7+=) 28...Qd7 (28...Nd5 29.Qb2 Qd7 30.Ne5=) 29.Ne5 Qf5 (29...Qd5 30.Qc4=) 30.g4 (30.Qb3 Bg8 31.Qb7 Bd5+/–) 30...Qe6 (30...Qf6 31.Qb3 Bg8 32.Qb7+=) 31.f4 (31.Qb3 Ng6 32.Qe6 Re6=) 31...Nd5= 32.Qg3 Rad8 (32...Nf6 33.f5 Qd5 34.Nf1=) 33.f5+= Qg8 (33...Qe7 34.Ndc4 Qc7 35.Nd6 Bd6 36.cd6 Rd6 37.Nf7 Qf7 38.Qd6=) 34.Ndf3 (34.Rb1 Nb6 35.Qf4 Nd5 36.Qh6 Re5 (36...gh6?? 37.Nf7) 37.Be5 Bc5 38.Kh2 Ne3+=) 34...Ne7 (34...Re7 35.h5 Nf6 36.Nh4+/–) 35.h5 Qd5 (35...b6 36.Re1 b5 37.Qf4+–) 36.Qf4 (36.Nc4 Nf5 37.gf5 Qf5+–) 36...Qb3? (better is 36...Ng8+/–) 37.f6 Nd5 (37...a5 38.f7 (worse is 38.fe7 Re7 39.g5 hg5 40.Ng5 Kg8+–) 38...Nd5 39.fe8Q Re8 40.Qf7+–) 38.fg7 (better is 38.Ng6 Bg6 39.fg7 Kg8 40.gf8Q Rf8 41.Qh6+–) 38...Bg7 (38...Bg7 39.Nf7 Kg8 40.Nh6 Bh6 41.Qh6 Re7+–). Urbanaites,Elvira – Zachariassen,John (1955), 16th European Senior Championship, 2016.

6.d4 Bg4

7.Be2 e4 8.Nfd2 Be2 9.Qe2 Nc6 10.b5 Nb4 11.Na3?? (better is 11.Ne4 Ne4 12.a3=) 11...Nd3–+ 12.Qd3 (12.Kf1 Nb2 13.Ne4 Ne4 14.Qb2–+) 12...ed3 13.0–0 Re8 14.Rad1 d5 15.c5 Ne4 16.Nf3 f6 17.Rd3 c6 18.Rb1 Rb8 19.Rb3 Qd7 20.Bc1 Qc7 21.Nc2 g5 (better is 21...cb5!? 22.Nb4 Qd7 23.Bd2–+) 22.a4 g4 23.Nh4 Qd7 24.bc6 Qc6 25.Nb4 Qd7 26.g3 (26.f3 gf3 27.gf3 Ng5–+) 26...Ng5 27.Na6 Nf3 (27...Rbc8 28.Nb4–+) 28.Kf1 (28.Kg2 Rbc8 29.Rb7 Qa4–+) 28...Nh4 (28...Ra8 29.Nf3 gf3 30.Nb4–+) 29.gh4 ba6 (better is 29...Rbd8!? 30.Rb7 Qa4 31.Nb8–+) 30.Rb8 Rb8 31.Rb8 Kf7 32.Bd2 0–1. Jostov,Keylah – Motz,Markus, SC–2009–0–00025, 2009.

7.h3 Bf3 8.Qf3= e4 9.Qd1 d5 10.c5 c6 (10...b6 11.Qc2=) 11.Be2 Nbd7 12.0–0 b6 13.Nd2 bc5 (13...a5 14.b5 Qc7 15.bc6 Qc6 16.cb6=) 14.dc5 Rb8 15.a3 a5 16.Bc3 Qc7 17.Nb3 ab4 18.ab4 White gets strong play along the open a–file 18...Rfd8 19.Nd4 Ne8 (19...Ra8 20.Nf5 Nf8 21.Qd2+=) 20.Ra6 (20.b5 cb5 21.Ba5 Qc5+/–) 20...Ne5 21.Qa4 White gets strong initiative 21...Rdc8 22.Ra7 Rb7 23.Rb7 Qb7 24.Ba6 Qa7 25.Ra1 Rc7 26.Bf1 Qa4 27.Ra4 Bf6 (27...Kf8+/–) 28.Be2 (28.b5 Nd3 29.Bd3 ed3+–) 28...Rb7? (28...Nd3 29.Bd3 ed3 30.Kf1+/–) 29.Ra6 (29.Ra8 Kf8 30.Nf5 Nd7 31.Bf6 Ndf6+–) 29...Rc7 (29...Kf8 30.b5+/–) 30.Bd1 (30.b5 Nd3+/–) 30...Nd3 (30...Rc8 31.Ba4 Nc7 32.Ra7+–) 31.Bd2 (31.Ba4!? Ne5 32.Nc2+–) 31...Bd4 32.ed4 Rc8? (32...Nb2 33.Bf4 Nd1 34.Bc7 Nc7 35.Rc6 g5 36.Rc7 Nc3+–) 33.Ba4+– f5 (33...Nf6 34.Bc6 e3 35.fe3+–) 34.Bc6 Nf6 35.b5 f4 (35...h6 36.Ra7+–) 36.b6 (36.b6 Rb8 37.b7+–) 1–0. Sellmer,Dirk – Lippmann,Peter, Schleswig Holstein–ch, 1992.

7.h3 Bh5 8.a3 e4 9.g4 =.

7.h3 Bh5 8.g4 Bg6 9.Nbd2 Nbd7 (9...ed4 10.Nd4 Na6 11.a3+=) 10.Bg2 (10.Nh4 a5 11.Ng6 fg6=) 10...Re8 (10...c6!?+=) 11.Nh4+= h6? (better is 11...c6+=) 12.Ng6+– fg6 13.g5 Nh5 (13...hg5 14.Bb7 Rb8 15.Qf3+–) 14.Bb7 Rb8 15.Bd5 Kh8 16.gh6 Rb4 17.Bc3 Rb8 18.hg7 (18.Rg1 Nhf6 19.Rg6 gh6 20.Rh6 Kg7+–) 18...Kg7 19.Rg1 Ndf6? (19...Rh8+–) 20.de5 de5 21.Qc2 (worse is 21.Be5 Rh8+–) 21...e4 (21...Bf8 22.Qg6 Kh8 23.Nf3+–) 22.Be4 (better is 22.Qe4 Nf4 23.Qf4+–) 22...Kh6 (22...Rg8+–) 23.Rg6 Kh7 24.Rf6 (24.Rf6 Kg7 25.Rd6 Bf6 26.Rd8 Rbd8 27.0–0–0+–) 1–0. marekt – chessh, Casual Game, 2001.

6.Be2 c5

7.b5 a6 8.a4 Be6 (8...e4!? 9.Ng1 d5–/+) 9.Nc3 (9.0–0 Re8=) 9...Nbd7 (9...h6 10.d3=) 10.d3 d5 (10...Ra7 11.0–0=) 11.Ng5 (11.cd5 Nd5 12.Nd5 Bd5=) 11...d4 (11...ab5 12.Ne6 fe6 13.ab5 Ra1 14.Ba1=) 12.Ne6 fe6 13.Ne4 (better is 13.Nb1!?=) 13...Ne4–/+ 14.de4 de3 (14...Qa5!? 15.Kf1 Nf6–/+) 15.0–0 (15.fe3 Qa5 16.Qd2 Qd2 17.Kd2 Rf2=) 15...ef2 16.Rf2 Qc7 (16...Rf2 17.Kf2 Qe8 18.Bh5=) 17.Bg4 Rf2 18.Be6 (18.Kf2 Rf8 19.Kg1 Rf6=) 18...Kh8 (18...Rf7!? 19.Qd7 Qd7 20.Bd7 ab5 21.cb5 Rf4 22.Be6 Kf8–/+) 19.Kf2+= Nf6 20.Qe2 (20.Kg1 Qb6 21.Bf5 Qc7+=) 20...ab5 (20...Bd6 21.Kg1+=) 21.ab5 Ra1 (21...Rd8 22.Kg1+=) 22.Ba1 Qd6 (22...Bf8 23.Kg1+/–) 23.Bd5 b6 24.Qa2 h6 (24...Bd8+=) 25.Qb2 Exerts pressure on the isolated pawn (25.Qa8 Kh7+/–) 25...Kh7 (better is 25...Ng4 26.Kg1 Bg5=) 26.Qe5?? (better is 26.Qe2+=) 26...Qe5 (better is 26...Ng4 27.Ke2 Ne5–+ (27...Qe5?! 28.Be5 Ne5 29.g3–+)) 27.Be5 Ng4 28.Kf3 Ne5 29.Kf4 Nd3 (29...Bd6 30.Kf5–+) 30.Kf5 (30.Ke3 Ne1 31.e5 Nc2 32.Kf4 Nd4–+) 30...Bd6–+ 31.h4 (31.g3 Bb8–+) 31...g6 32.Ke6 Bg3 33.h5 gh5 (better is 33...Ne5–+) 34.e5?? (better is 34.Kd7 Nb2 35.Kc6–+) 34...Be5 (better is 34...Ne5 35.Ke7 Kg6–+) 35.Be4+= Kg7 36.Bd3 Bc3 37.Kf5 (37.Be4 h4=) 37...Be1 (37...Kf7 38.Be4=) 38.g4 (38.Be4!?+=) 38...h4 (38...hg4 39.Kg4 Kf6 40.Kh5+=) 39.Be4 (39.Bf1 Bf2=) 39...Bd2 (39...h3 40.Ke6+=) 40.Bd5 (40.Bg2!?=) 40...h3+= 41.Bc6 (41.Bh1 h2+=) 41...h2 42.Bd5 Kf8 (42...Bc3 43.Bh1+=) 43.Bc6 (43.Kf6 Bg5 44.Ke6 Kg7+=) 43...Ke7 44.Bd5 (44.Bh1 Kd6+=) 44...Kd6 (44...Be3 45.Bh1+=) 45.Bc6 Ke7 (45...Be3 46.Bh1+=) 46.Bd5 Kf8 (46...Be3 47.Bg2–/+) 47.Bc6 Kg7 (47...Bg5 48.Ke6+=) 48.Bd5 Kh7 (48...Bc3 49.Bh1+=) 49.Be4 Kg7 (49...Bc3 50.Ke6 Kg7 51.Ke7+=) 50.Bd5 Kf8 (50...Be3!?+=) 51.Bc6= ½–½. GuestNQKQ – Hupernikao, freechess.org, 2017.

7.bc5= dc5 8.Ne5+= Bd6 9.0–0 Qe8 10.d4 cd4 11.ed4 Nc6 12.f4 Ne4 (12...Bf5 13.c5 Bc7 14.Bb5+/–) 13.c5 Be5 14.fe5 (14.de5?! Bf5+=) 14...a6? (14...Be6!?+–) 15.Qd3 ( 15.d5+–) 15...Bf5?? (15...Ng5+–) 16.Rf5 g6 17.Rf1 f5 18.Nd2 1–0. pierre – staxy, internet, 2010.

7.bc5 dc5 8.Ne5 Nbd7 9.0–0 Bd6 10.d4 Re8 11.f4 Ne4 12.Bh5 g6 13.Bf3 Nef6 14.Nc3 cd4 15.ed4 Bf8 16.Nd5 Bg7 17.Qb3 Nd5 18.Bd5 (18.cd5?! Nb6+/–) 18...Ne5 19.fe5 (worse is 19.de5 Qa5+–) 19...Re7 (19...Be6+–) 20.Rf7! Rf7 21.Rf1 (21.Bf7 Kf7 22.c5 Ke8 23.Qg8 Bf8 24.Qh7 Qg5+/–) 21...Bf5 22.Qb7 (22.Bf7?! Kf7 23.g4 Qd7+–) 22...Rb8 23.Qf7 (23.Bf7?! Kh8 24.Qa7 Rb2+/–) 23...Kh8 24.Ba3 Qa5 25.Bd6 (25.Bd6 Rc8 26.Be7+–) 1–0. Pcmvr – PLAYCHESS1963, playchess.de, 2005.

7.bc5= Nbd7 8.cd6 Bd6 9.d3+=.

6.Be2 Bd7

7.0–0 c5 8.bc5 dc5 (8...e4!? 9.cd6 Bd6+=) 9.Ne5+/– Bf5 10.d3 Nc6 11.Nc6 bc6 12.e4 Bh3?? (better is 12...Be6+/–) 13.gh3+– Rb8 14.Bc3 Qd6 (14...Nd7 15.f4+–) 15.e5 Qe6 16.ef6 Bf6 17.Bf6 Qf6 18.Nd2 Rbe8 (18...Qg5 19.Kh1+–) 19.Bf3 Qg6 (19...Re6 20.Bg2+–) 20.Bg2 Re5 (20...Qd3 21.Ne4! Qd4 22.Qd4 cd4 23.Rfd1+–) 21.Ne4 f5 22.f4 Re6 (22...Re7 23.Nc5 Qd6 24.d4+–) 23.Nc5 Re3 (23...Rd6 24.Rb1+–) 24.Nd7 Rfe8 25.Ne5 Qh6 (25...Qd6 26.c5 Qc7 27.d4+–) 26.Qa4 g5 (26...Rf8 27.Qa7 Re2 28.Qd7+–) 27.Bd5! Kg7 (27...cd5 28.Qe8) 28.Qa7 Kf6 (28...Kh8 29.Nf7 Kg7 30.Nh6 R8e7 31.Nf5 Kg6 32.Ne7 Re7 33.Qe7 cd5 34.Rab1 gf4 35.Rb6 Kh5 36.Qe5 Kh4 37.Rh6) 29.Qf7 1–0. marekt – aliwood, internet, 2005.

7.0–0 e4 8.Nd4 Nc6 (8...c5 9.Nc2=) 9.a3 (9.Nc6 Bc6 10.Qc2 a6=) 9...Rb8 (9...Nd4 10.Bd4 c5 11.Bb2=) 10.f3 (10.d3 ed3 11.Qd3 Ne5+=) 10...Qc8 (10...Nd4 11.Bd4 c5 12.Bb2=) 11.fe4+= Ne4 12.Bf3 (12.d3 Nf6+=) 12...Ng5 13.b5 (13.Nc6 bc6 14.d3 c5+=) 13...Nd4= 14.Bd4 (worse is 14.ed4 c6 15.Be2 Re8+=) 14...Nf3 (14...a6 15.Nc3=) 15.Qf3+= (worse is 15.gf3 Bh3 16.Rf2 Bh4–/+; worse is 15.Rf3 Bg4 16.Rg3 h5= (16...Bd1? 17.Rg7 Kh8 18.Rf7 Bf6 19.Bf6 Kg8 20.Rg7 Kh8 21.Bd4+/–)) 15...c5 (15...a6 16.Qg3 f6 17.Nc3+=) 16.Bb2 (16.bc6 Qc6 17.Ba7 Rbc8+/–) 16...Be6+= 17.Qg3 (17.d3 Qd8+=) 17...g6 (17...f6 18.Rf4=) 18.d3+= Qd8 19.Nd2 Bg5? (better is 19...f5!?+=) 20.Ne4+– Be7? (20...Bh4 21.Qf4 f5 22.Nd6 Qe7+=) 21.Nf6 Bf6 (21...Kg7+–) 22.Bf6 (22.Rf6?! Re8+/–) 22...Qd7 (22...d5 23.Bd8 Rbd8 24.cd5 Rd5 25.e4+–) 23.Qg5 (23.Qg5 Qd8 24.e4+–) 1–0. GuestHMFH – GuestKCHB, freechess.org, 2016.

6.Be2 Nfd7

7.0–0 A) 7...e4 8.Ne1 (8.Nd4 c5 9.Nc2 Nb6 10.Nc3=) 8...Nf6 9.f3 d5 10.cd5=; B) 7...Nf6 8.Nc3 (8.d3 Nbd7 9.Nc3 c6 10.d4=; 8.d4 e4 9.Nfd2 d5 10.a3=) 8...Bf5 9.d4 e4 10.Nd2=; C) 7...a5 8.ba5 (8.b5 Nf6 9.Nc3 Nbd7 10.d4=; 8.a3 e4 9.Nd4 c5 10.Nc2=) 8...Ra5 9.d4 ed4 10.Qd2=.

7.Nc3= c6 (7...Nb6 8.0–0= (8.d3 Be6 9.0–0 N8d7 10.a3=; 8.Qb3 a5 9.ba5 Ra5 10.d4=) 8...Be6 9.d3 a5 10.a3=; 7...Bf6 8.Ne4 (8.d3 Nc6 9.b5 Ncb8 10.0–0=; 8.d4 a5 9.ba5 ed4 10.ed4=) 8...Be7 9.0–0 f5 10.Nc3=; 7...a5 8.a3 (8.ba5 Ra5 9.d4 Nf6 10.0–0=; 8.b5 Nb6 9.d4 Be6 10.d5=) 8...ab4 9.ab4 Ra1 10.Qa1=) 8.0–0 (8.d4 Nf6 9.0–0 e4 10.Nd2=; 8.a3 a5 9.b5 Nb6 10.0–0=) 8...f5 (8...d5 9.cd5 Bb4 10.Qb3+=; 8...Nf6 9.Qc2 Qb6 10.a3+=) 9.Qb3 (9.d4 e4 10.Nd2 Nf6+=) 9...Kh8 (9...Qe8 10.d4+=; 9...a5 10.a3+=) 10.d4 e4 11.Nd2 a5 (11...Na6 12.Rad1+=) 12.b5 cb5 (12...Nb6 13.a4+=) 13.Qb5+/– b6 (13...Nb6 14.a4+/–) 14.f3 (14.Qb3 Bb7+/–) 14...Bg5 15.f4 Be7 16.Nd5 (16.Rab1 Bb7+=) 16...Nf6 (16...Bb7 17.Ne7 Qe7 18.d5+=) 17.Nb6 (17.Ne7!? Bd7 18.Ng6 hg6 19.Qb3+/–) 17...Ba6+= 18.Qb3 (18.Na8? Bb5 19.cb5 Nbd7–+; worse is 18.Qa5 Nfd7–/+) 18...Ra7 19.Rab1 (better is 19.Na4+=) 19...Rb7+= 20.Bc3 Nbd7?? (better is 20...Nfd7+=) 21.Ba5+– Nb6 (21...Qc7 22.a3+–) 22.Bb6 Qb8 23.a4 1–0. pereira – opponent, internet, 2009.

7.d3 A) 7...Nf6 8.Nc3 (8.0–0 Bf5 9.Nc3 a6 10.a3=; 8.Nbd2 a5 9.b5 a4 10.0–0=) 8...a5 9.b5 Bg4 10.0–0=; B) 7...a5 8.b5 (8.ba5 Nc6 9.0–0 Ra5 10.Bc3=; 8.a3 ab4 9.ab4 Ra1 10.Ba1=) 8...Nf6 9.0–0 Nbd7 10.d4=; C) 7...d5 8.cd5 (8.0–0 dc4 9.dc4 Bb4 10.Ne5=; 8.a3 dc4 9.dc4 c5 10.Bc3=) 8...Bb4 9.Nc3 c6 10.0–0=.

7.d4 A) 7...a5 8.b5 (8.ba5 ed4 9.Nd4 Bf6 10.Nc3=) 8...Bf6 9.0–0 Re8 10.Qc2+=; B) 7...ed4 8.ed4 (8.Nd4 c5 9.Nc2 Bf6 10.Bf6=; 8.Bd4 Nc6 9.Bc3 Bf6 10.a3=) 8...Re8 9.0–0 a5 10.b5=; C) 7...d5 8.a3 (8.de5 Bb4 9.Bc3 Bc3 10.Nc3=; 8.Ne5 Ne5 9.de5 dc4 10.0–0=) 8...dc4 9.Nc3 ed4 10.Qd4=.

6.Be2 Ne8

7.0–0 e4 A) 8.Nd4 c5 (8...Bf6 9.Nc3 c5 10.Nc2 Nc6 11.b5 Na5 12.d3 ed3+=; 8...d5 9.cd5 Nf6 10.b5 Qd5 11.Nc3 Qe5 12.f4 ef3+=) 9.Nc2 d5 10.bc5 dc4 11.Bc4 Bc5 12.f3 Bd6=; B) 8.Ne1 d5 (8...a5 9.b5 a4 10.a3 Be6 11.Nc3 d5 12.cd5 Bd5+=) 9.cd5 Qd5 10.Nc3 Qe6 11.d3 Nf6 12.a3 Rd8+=.

7.0–0 Bg4 8.h3 (8.d4 e4 (8...a5 9.b5 ed4 10.Nd4 Be2 11.Qe2 Nd7 12.Nc3 Nef6+=) 9.Nfd2 Be2 10.Qe2 d5 11.cd5 Bb4 12.Ne4 Qd5+=; 8.Nc3 a5 (8...Nf6 9.d4 e4 10.Nd2 Be2 11.Qe2 d5 12.a3 c6+=) 9.b5 Nf6 10.d4 Nbd7 11.Qc2 ed4 12.Nd4 Be2+=; 8.a3 a5 (8...Nf6 9.d4 e4 10.Nfd2 Be2 11.Qe2 d5 12.cd5 a5+=; 8...Nd7 9.d4 a5 10.Nbd2 f5 11.de5 de5 12.h3 Bh5+=) 9.Nc3 Nf6 10.b5 Nbd7 11.d4 Re8 12.e4 Rb8+=; 8.d3 c6 (8...a5 9.b5 Nf6 10.Nfd2 Be6 11.d4 ed4 12.Bd4 Re8=; 8...Nd7 9.Nc3 Nef6 10.d4 a5 11.b5 Re8 12.a3 c6=; 8...Nf6 9.Nfd2 Be6 10.f4 ef4 11.Rf4 d5 12.c5 a5=; 8...a6 9.a3 a5 10.Nfd2 Be6 11.b5 c6 12.d4 Nd7=; 8...Be6 9.Nc3 Nd7 10.d4 a5 11.a3 Nef6 12.Qc2 c6+=; 8...Bf6 9.Nc3 Nd7 10.a3 a5 11.Nd2 Be6 12.Nde4 c6+=) 9.Nc3 Nf6 10.a3 a5 11.b5 Nbd7 12.h3 Bh5=) 8...Be6 (8...Bh5 9.Nc3 Nf6 10.d4 e4 11.Nd2 Be2 12.Qe2 d5=; 8...Bf5 9.Nc3 Nf6 10.d4 e4 11.Nd2 d5 12.a3 c6=) 9.d4 (9.Nc3 a5 10.b5 Nd7 11.d4 f5 12.Qc2 e4+=) 9...Qd7 (9...e4 10.Nfd2 d5 11.cd5 Bd5 12.Nc3+= Nf6+=) 10.d5 (10.de5 de5 11.Ne5 Qd1 12.Rd1 Bb4+=) 10...Bh3 (better is 10...Bf5!?+= 11.Nc3 c6 12.e4 Bg6+=) 11.gh3+/– Qh3 12.Nh2 (12.Nc3 a5+/–) 12...f5 (12...a5+/–) 13.Kh1 Rf6 (13...a5 14.a3+/–) 14.Rg1 Rh6 15.Rg2 Nf6 16.Qg1 g6 17.Nd2 Nh5 18.Bh5 (18.c5 Nf6 19.Bc4 Qh4+–) 18...Qh5 19.f4 e4 20.Ndf1 Nd7 21.Ng3 Qh3 22.Qf2 Bf6 23.Kg1 Kf7 24.Bf6 Nf6 25.Kf1 a5 26.b5 b6 (26...Nd7 27.Ke2+/–) 27.a4 (27.Ke2 Ng4 28.Ng4 Qg4 29.Kd2 Qh4+–) 27...Rg8 (27...Nd7 28.Ke1+/–) 28.Ke2 Ng4 29.Ng4 Qg4 30.Kd2 Qh4 31.Nf1 (31.Rgg1 Qh2 32.Qe2 Qh4+–) 31...Qf6 32.Rb1 Rh4 33.Rh2 Rh2 34.Qh2 h5 35.Ng3 Rh8 36.Ne2 Ke7 37.Nd4 h4 38.Rg1 Kf7 (38...Kd7 39.Kc2+/–) 39.Rg5 (39.Kc2 Ke7+–) 39...h3 (39...Ke8!?+/–) 40.Rg3+– Qh4 41.Ne6?? (better is 41.Rg1+–) 41...Qf6= 42.Nd4 Qh4 43.Ne2 Qf6 44.Nd4?? (better is 44.Rh3 Qb2 45.Ke1 Rh3 46.Qh3 Qb4 47.Kf2+–) 44...Qh4= ½–½. Trkn – Mika, itsyourturn.com, 2000.

7.Nc3 A) 7...Bf6 8.d4 ed4 (8...Nc6 9.b5 ed4 10.ed4 Ne7 11.0–0 Bf5 12.Re1 d5+=; 8...Nd7 9.0–0 c5 10.dc5 dc5 11.bc5 e4 12.Nd2 Bc3+/–; 8...a5 9.de5 de5 10.Qd8 Bd8 11.b5 f6 12.Ba3 Rf7+/–) 9.ed4 Nc6 10.b5 Ne7 11.0–0 Bf5 12.Re1 a6+= ; B) 7...Be6 B1) 8.d4 a5 (8...Nf6 9.0–0 Nbd7 10.a3 a5 11.Qc2 c6 12.Rfd1 Qc7+=) 9.b5 Nd7 10.0–0 Nb6 11.d5 Bg4 12.Nd2 Be2= ; B2) 8.d3 Nc6 (8...Nd7 9.0–0 a5 10.b5 Nb6 11.c5 dc5 12.Ne5 a4= ; 8...c6 9.d4 Nf6 10.a3 e4 11.Ng5 Bf5 12.f3 ef3= ; 8...Nf6 9.0–0 Bf5 10.a3 a5 11.b5 Nbd7 12.e4 Be6+= ; 8...a5 9.b5 Nd7 10.0–0 Nb6 11.a3 Qd7 12.Na4 Na4= ) 9.b5 Na5 10.Qa4 b6 11.d4 a6 12.d5 Bg4=; B3) 8.0–0 a5 (8...Nf6 9.Ng5 Bc8 10.f4 h6 11.Nge4 Nbd7 12.a3 a5+=; 8...f5 9.d4 a5 10.b5 Nd7 11.Qc2 e4 12.Nd2 Nb6+= ) 9.b5 Nd7 10.d4 Nb6 11.d5 Bg4 12.Nd2 Be2+= ; C) 7...Nd7 C1) 8.d4 Nef6 (8...ed4 9.Nd4 c5 10.Nc2 Nef6 11.a3 Nb6 12.e4 Qe8+=; 8...a5 9.b5 Nef6 10.0–0 Re8 11.a3 ed4 12.Nd4 Nc5+=) 9.0–0 Re8 10.a3 a5 11.e4 ed4 12.Nd4 ab4+= ; C2) 8.0–0 Nef6 (8...a5 9.b5 Nb6 10.d4 Be6 11.d5 Bg4 12.Nd2 Be2+=; 8...Ndf6 9.e4 Bg4 10.d4 a5 11.a3 ab4 12.ab4 Ra1+=; 8...Nb6 9.d4 Be6 10.d5 Bg4 11.Nd2 Be2 12.Qe2 f5+=; 8...c5 9.a3 a5 10.Qc2 f5 11.d4 e4 12.Nd2 cd4+= ; 8...f5 9.d4 a5 10.a3 e4 11.Nd2 Nef6 12.f3 f4+= ) 9.d4 a5 10.b5 Re8 11.a3 ed4 12.Nd4 Nc5+= ; C3) 8.a3 a5 (8...Nb6 9.d4 ed4 10.Qd4 Bf6 11.Qf4 Qe7 12.0–0 a5+= ; 8...Nef6 9.d4 ed4 10.Nd4 Nb6 11.Qc2 c5 12.Nf5 Bf5+= ) 9.0–0 Nef6 10.d4 ab4 11.ab4 Ra1 12.Qa1 c6+= ; D) 7...a5 D1) 8.Qa4 Nd7 (8...Bf5 9.0–0 Nd7 10.ba5 b6 11.d4 Ra5 12.Qd1 e4=) 9.b5 Nb6 10.Qc2 Be6 11.d3 Nf6 12.0–0 a4= ; D2) 8.b5 Be6 (8...Bf5 9.d4 Nd7 10.0–0 Be6 11.Bd3 Nef6 12.Ng5 Bg4+=; 8...f5 9.d4 e4 10.Nd2 Nd7 11.0–0 Nb6 12.Rc1 Be6+=) 9.d4 Nd7 10.0–0 Nb6 11.d5 Bg4 12.Nd2 Be2+= ; E) 7...Bf5 E1) 8.d4 Nf6 9.de5 de5 10.Qb3 Nc6 11.Rd1 Qc8 12.a3 e4= ; E2) 8.a3 Nf6 (8...a5 9.0–0 Nf6 10.b5 Nbd7 11.d4 c6 12.Ng5 cb5= ) 9.0–0 a5 10.b5 Nbd7 11.d4 c6 12.Ng5 h6= ; E3) 8.e4 Bg4 (8...Bg6 9.d4 ed4 10.Nd4 Na6 11.a3 Bf6 12.Qd3 c5+= ) 9.0–0 Nf6 10.b5 a6 11.d4 ab5 12.de5 de5= ; E4) 8.0–0 Nf6 (8...a5 9.b5 c5 10.d4 Nd7 11.Bd3 Bd3 12.Qd3 cd4+= ) 9.d4 e4 10.Nd2 d5 11.a3 c6 12.Rc1 Re8=; E5) 8.d3 a5 (8...a6 9.0–0 Nf6 10.a3 Re8 11.e4 Bg4 12.d4 Nbd7+= ; 8...Nf6 9.0–0 a6 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+= ; 8...Nd7 9.0–0 c6 10.a3 a5 11.b5 Nc7 12.Rc1 Rc8+= ; 8...c6 9.0–0 Nf6 10.a3 Qb6 11.e4 Be6 12.d4 Nbd7+= ; 8...Bg4 9.0–0 Nf6 10.d4 Nbd7 11.h3 Bh5 12.a3 a5+= ) 9.b5 Nd7 10.0–0 Nef6 11.e4 Bg4 12.d4 a4+= ; F) 7...f5 F1) 8.0–0 e4 (8...Nf6 9.d4 e4 10.Nd2 d5 11.Qb3 Be6 12.f3 ef3+= ; 8...a5 9.b5 Nd7 10.d4 e4 11.Nd2 Nb6 12.Qc2 Be6+= ) 9.Nd4 Nf6 10.a3 a5 11.d3 ab4 12.ab4 Ra1= ; F2) 8.d4 e4 (8...a5 9.b5 e4 10.Nd2 Nd7 11.0–0 Nb6 12.Rc1 Be6+= ) 9.Nd2 Nf6 10.0–0 d5 11.Qb3 Be6 12.f3 ef3+= ; F3) 8.d3 Nf6 (8...a5 9.b5 Be6 10.0–0 Nd7 11.d4 e4 12.Nd2 Nb6+= ) 9.0–0 a6 10.Qb3 Nc6 11.c5 Kh8 12.d4 e4+=; G) 7...Nf6 G1) 8.d3 Nc6 (8...a5 9.b5 Bg4 10.0–0 Re8 11.h3 Bc8 12.d4 Nbd7+= ; 8...Re8 9.0–0 Bg4 10.a3 a5 11.b5 Nbd7 12.Nd2 Be6= ; 8...Bg4 9.0–0 a5 10.b5 Re8 11.h3 Bh5 12.g4 Bg6+= ; 8...a6 9.0–0 Bf5 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+= ; 8...Nbd7 9.0–0 Nb6 10.a4 a5 11.b5 Bg4 12.Nd2 Be6= ; 8...Bf5 9.0–0 a6 10.a3 Re8 11.e4 Bg4 12.d4 Nbd7+= ; 8...c6 9.0–0 Nbd7 10.a3 a5 11.b5 Rb8 12.d4 Re8+= ) 9.b5 Nb8 10.d4 Nbd7 11.0–0 a6 12.ba6 Ra6= ; G2) 8.0–0 Bg4 (8...Bf5 9.d3 a6 10.a3 Re8 11.e4 Bg4 12.d4 Nbd7+= ; 8...Re8 9.d4 Nbd7 10.a3 a5 11.e4 ed4 12.Nd4 Bf8+= ; 8...a5 9.b5 Bg4 10.d4 Nbd7 11.a3 Re8 12.e4 c5+= ; 8...Na6 9.a3 Re8 10.d4 ed4 11.Nd4 c5 12.Nc2 Be6+= ; 8...Nc6 9.b5 Na5 10.d4 ed4 11.Nd4 a6 12.ba6 Ra6+= ; 8...c6 9.Qc2 Qb6 10.a3 a5 11.b5 Bg4 12.d4 Nbd7+= ; 8...e4 9.Ng5 d5 10.cd5 Nd5 11.Nge4 Nb4 12.d4 Be6+= ) 9.Qc2 Re8 10.a3 a5 11.Ne4 Qd7 12.Nf6 Bf6=.

7.d3 A) 7...Nf6 A1) 8.0–0 Bg4 (8...Nbd7 9.Nc3 c6 10.a3 a5 11.b5 d5 12.d4 e4+= ; 8...Bf5 9.Nc3 a6 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+= ; 8...Re8 9.Nc3 a5 10.b5 Bg4 11.h3 Bh5 12.g4 Bg6+= ; 8...a5 9.b5 Re8 10.Nc3 Nbd7 11.d4 ed4 12.Nd4 Nc5+= ; 8...a6 9.Nc3 Bf5 10.e4 Bg4 11.a3 Nc6 12.Nd5 Re8= ; 8...c6 9.Nc3 Nbd7 10.a3 Re8 11.d4 e4 12.Nd2 d5= ; 8...Bd7 9.Nc3 Re8 10.a3 a5 11.b5 Bg4 12.d4 Nbd7= ) 9.Nfd2 Be6 10.a3 c6 11.d4 a5 12.b5 Qc7=; A2) 8.Nbd2 Bg4 (8...a5 9.b5 a4 10.0–0 c6 11.Qc2 a3 12.Bc3 cb5+= ; 8...Re8 9.0–0 Nbd7 10.a3 a5 11.Qc2 ab4 12.ab4 Ra1+= ; 8...a6 9.0–0 Nc6 10.a3 Bg4 11.Ng5 Be2 12.Qe2 h6+= ; 8...Nbd7 9.0–0 Re8 10.Qc2 c5 11.a3 Qc7 12.Ne4 Ne4= ; 8...Qd7 9.0–0 Qf5 10.a3 a5 11.b5 Be6 12.e4 Qg6= ; 8...Bf5 9.0–0 a5 10.e4 Be6 11.b5 a4 12.Ng5 Bc8+= ) 9.0–0 Nbd7 10.a3 a5 11.b5 c6 12.e4 cb5=; A3) 8.Nc3 c6 (8...a5 9.b5 Qd7 10.0–0 Re8 11.d4 e4 12.Nd2 Bf8+= ; 8...Bg4 9.0–0 Re8 10.h3 Bh5 11.g4 Bg6 12.Nh4 c6+= ; 8...Re8 9.0–0 a5 10.b5 Nbd7 11.d4 ed4 12.Nd4 Ne5+= ; 8...Nc6 9.b5 Nb8 10.d4 Nbd7 11.0–0 a6 12.de5 Ne5= ; 8...Nbd7 9.0–0 Nb6 10.d4 Be6 11.Qb3 ed4 12.Nd4 Qd7+= ; 8...Bf5 9.0–0 Re8 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+= ; 8...Qd7 9.0–0 Qf5 10.e4 Qg6 11.Bc1 h6 12.Be3 Bd7= ; 8...a6 9.0–0 Nc6 10.a3 Bf5 11.d4 Re8 12.d5 Nb8+= ; 8...Qe8 9.0–0 Nbd7 10.a3 a5 11.Qc2 c6 12.d4 ed4+= ) 9.0–0 Bg4 10.a3 a5 11.b5 Nbd7 12.d4 Re8= ; B) 7...Be6 B1) 8.0–0 Nd7 (8...a5 9.b5 a4 10.a3 Nd7 11.d4 ed4 12.ed4 Nef6+= ; 8...a6 9.Nc3 Nc6 10.a3 Nf6 11.d4 ed4 12.Nd4 Nd4= ; 8...c6 9.Nc3 Nf6 10.a3 a5 11.d4 Nbd7 12.Ng5 ab4= ) 9.d4 a5 10.b5 ed4 11.Bd4 Nef6 12.Nfd2 c5= ; B2) 8.Nbd2 Nd7 (8...a5 9.b5 Nd7 10.0–0 a4 11.a3 f5 12.Rb1 f4= ; 8...Nf6 9.0–0 Nbd7 10.Ng5 d5 11.Ne6 fe6 12.Qb3 Bd6+=) 9.0–0 f5 10.a3 Bf6 11.d4 e4 12.Ne1 d5= ; B3) 8.Nc3 Nc6 (8...Nd7 9.0–0 Nb6 10.a4 a5 11.b5 Rc8 12.Rb1 Nf6=; 8...Nf6 9.0–0 Bf5 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+=; 8...c6 9.0–0 Nd7 10.d4 Nef6 11.a3 a5 12.Ng5 ab4=; 8...a5 9.b5 Nd7 10.0–0 Nb6 11.a3 f5 12.c5 Nd5= ) 9.b5 Na5 10.Qa4 b6 11.d4 a6 12.d5 Bf5= ; C) 7...Bf5 C1) 8.Nc3 Nd7 (8...a5 9.b5 Nf6 10.0–0 Nbd7 11.e4 Bg4 12.Ng5 Be2+=; 8...Nf6 9.0–0 Re8 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+=; 8...a6 9.0–0 Nc6 10.a3 Qd7 11.Nd5 Nf6 12.e4 Be6+=; 8...c6 9.0–0 Qb6 10.a3 Nf6 11.e4 Be6 12.d4 Nbd7+=; 8...Bg4 9.0–0 Nf6 10.d4 Nbd7 11.a3 a5 12.Qd3 Re8+=) 9.0–0 Nef6 10.d4 a5 11.b5 c6 12.a3 Rc8=; C2) 8.Nbd2 a5 (8...Nd7 9.0–0 Nef6 10.e4 Bg6 11.Nh4 d5 12.Ng6 fg6+=) 9.b5 a4 10.0–0 Nd7 11.a3 Bg6 12.Nb1 Nc5= ; C3) 8.0–0 a5 (8...Nf6 9.Nc3 a6 10.a3 a5 11.b5 Nbd7 12.e4 Bg4+= ; 8...Nd7 9.Nc3 c6 10.a3 a5 11.b5 Rc8 12.Rb1 cb5+= ; 8...Be6 9.Nc3 Nd7 10.d4 a5 11.a3 Nef6 12.Qc2 c6+= ) 9.b5 Nd7 10.d4 e4 11.Nfd2 Bg5 12.Bg4 Bg6= ; C4) 8.a4 Na6 (8...Bf6 9.0–0 Na6 10.Bc3 Qe7 11.e4 Bg4 12.h3 Bh5=; 8...Qd7 9.0–0 Nf6 10.Nbd2 Na6 11.Bc3 Rae8 12.e4 Bg4+=; 8...a6 9.0–0 Nf6 10.Nbd2 Nc6 11.b5 ab5 12.e4 Be6+=; 8...Nd7 9.0–0 Nef6 10.a5 c6 11.Nbd2 Qb8 12.e4 Bg6+=; 8...Nf6 9.0–0 Re8 10.Nbd2 Na6 11.Bc3 Qd7 12.e4 Bg4+=; 8...c6 9.0–0 Nf6 10.Nbd2 a5 11.b5 Nbd7 12.e4 Bg6+=; 8...Nc6 9.b5 Na5 10.0–0 a6 11.Bc3 c6 12.Nbd2 Nf6+=; 8...a5 9.b5 Nf6 10.0–0 Bc8 11.Nc3 Re8 12.d4 Nbd7+=) 9.b5 Nc5 10.0–0 Nf6 11.d4 ed4 12.Nd4 Be6=; C5) 8.a3 a5 (8...Nf6 9.0–0 a5 10.b5 Nbd7 11.d4 ed4 12.Nd4 Be6+= ; 8...Nd7 9.Nbd2 Bg6 10.0–0 a5 11.Nb3 ab4 12.ab4 Ra1+=) 9.b5 Nf6 10.0–0 Re8 11.e4 Bg4 12.Nbd2 Nbd7+= ; D) 7...Bg4 D1) 8.0–0 a6 (8...a5 9.b5 Nf6 10.Nfd2 Be6 11.f4 ef4 12.e4 Re8= ; 8...Nd7 9.Nfd2 Be6 10.a3 a5 11.Nc3 c6 12.b5 d5= ; 8...c6 9.a3 Nf6 10.Ng5 Be2 11.Qe2 Nfd7 12.Nf3 Qb6+= ; 8...Nf6 9.Nfd2 Be6 10.a3 c6 11.d4 a5 12.b5 Nbd7= ; 8...Be6 9.Nc3 Nd7 10.d4 a5 11.a3 Nef6 12.Qc2 c6+= ; 8...Bf6 9.Nc3 Nd7 10.d4 c5 11.dc5 dc5 12.a3 e4= ) 9.a3 Nf6 10.Ng5 Be2 11.Qe2 Nc6 12.f4 ef4= ; D2) 8.h3 Be6 (8...Bf5 9.0–0 Nf6 10.Nc3 Nbd7 11.e4 Be6 12.d4 a5+=; 8...Bh5 9.0–0 Nf6 10.Nc3 Re8 11.g4 Bg6 12.Nh4 c6+=) 9.0–0 Nd7 10.Qd2 c6 11.a3 a5 12.Nc3 d5= ; D3) 8.Nc3 Nd7 (8...Nf6 9.0–0 Re8 10.h3 Bc8 11.d4 a5 12.b5 ed4+= ; 8...a5 9.b5 Nf6 10.0–0 Re8 11.d4 Nbd7 12.e4 a4= ; 8...Na6 9.a3 f5 10.0–0 c6 11.h3 Bh5 12.Rb1 Nac7+= ; 8...Nc6 9.b5 Na5 10.Qa4 c6 11.d4 ed4 12.Nd4 Be2= ; 8...a6 9.0–0 Nf6 10.d4 e4 11.Nd2 Be2 12.Qe2 d5+= ; 8...c6 9.d4 d5 10.de5 Bb4 11.cd5 Qd5 12.Qd5 cd5+= ; 8...Bf6 9.0–0 a5 10.b5 Nd7 11.Nd2 Be6 12.Bf3 Ra7+= ; 8...f5 9.0–0 a5 10.b5 Nd7 11.Nd2 Be2 12.Qe2 Nef6+= ; 8...Be6 9.0–0 Nd7 10.d4 a5 11.a3 Nef6 12.Qc2 c6+= ) 9.0–0 Nef6 10.a3 a5 11.d4 ab4 12.ab4 Ra1= ; D4) 8.Nbd2 Nd7 (8...a5 9.b5 Nf6 10.0–0 a4 11.Ng5 Be2 12.Qe2 c6=; 8...Nf6 9.0–0 a5 10.b5 a4 11.Ng5 Be2 12.Qe2 c6= ) 9.0–0 Nef6 10.a3 a5 11.b5 c6 12.e4 cb5= ; D5) 8.a3 Nf6 (8...a5 9.0–0 Nf6 10.b5 Nbd7 11.Nc3 c6 12.h3 Bh5+= ; 8...Nd7 9.0–0 a5 10.Nc3 Nef6 11.Qc2 Bf5 12.Rfd1 Nb6=; 8...Bf6 9.Nc3 a5 10.0–0 ab4 11.ab4 Ra1 12.Ba1 c6+=; 8...Na6 9.0–0 Nf6 10.Ng5 Bd7 11.d4 h6 12.de5 de5+=) 9.0–0 Re8 10.Ng5 Be2 11.Qe2 a5 12.Nd2 Nbd7= ; E) 7...c6 E1) 8.a3 Nd7 (8...Nf6 9.0–0 a5 10.Nc3 Bg4 11.b5 cb5 12.Nb5 Nc6=; 8...Qc7 9.0–0 Nf6 10.Nc3 a5 11.b5 Bg4 12.d4 Nbd7+=; 8...a5 9.0–0 ab4 10.ab4 Ra1 11.Ba1 Qc7 12.Nbd2 Nf6=; 8...Na6 9.0–0 Nf6 10.Nbd2 Bg4 11.Ng5 Bd7 12.d4 h6+=; 8...Qb6 9.0–0 Nf6 10.Nbd2 Bg4 11.Qc2 a5 12.c5 Qc7+=; 8...b6 9.Nc3 Nf6 10.0–0 Qc7 11.d4 Bf5 12.Nh4 Be6+=; 8...Qd7 9.0–0 a5 10.Nbd2 Qe6 11.c5 ab4 12.ab4 Ra1=; 8...Be6 9.Nc3 f5 10.0–0 Nd7 11.d4 e4 12.Nd2 d5=; 8...Bg4 9.0–0 a5 10.Nc3 Nf6 11.b5 cb5 12.Nb5 Nc6=) 9.0–0 a5 10.b5 cb5 11.cb5 b6 12.d4 e4= ; E2) 8.Nc3 Bd7 (8...Nd7 9.0–0 Nef6 10.Qc2 Re8 11.d4 ed4 12.Nd4 c5+=; 8...Qb6 9.a3 Nf6 10.0–0 Bf5 11.e4 Be6 12.d4 Nbd7+=; 8...Be6 9.0–0 Nd7 10.d4 Nef6 11.a3 a5 12.Ng5 ab4=; 8...Bg4 9.d4 d5 10.de5 Bb4 11.cd5 cd5 12.Qb3 Nc6+=; 8...Bf5 9.0–0 Nf6 10.a3 a5 11.e4 ab4 12.ab4 Ra1=; 8...Nf6 9.0–0 Nbd7 10.a3 a5 11.b5 cb5 12.Nb5 Nb6+=; 8...Qc7 9.a3 Nf6 10.0–0 a5 11.b5 Nbd7 12.d4 Re8+=; 8...Qd7 9.0–0 Qe6 10.d4 e4 11.d5 Qg6 12.Ne1 Nf6=; 8...Na6 9.b5 Nac7 10.bc6 bc6 11.d4 Rb8 12.Rb1 ed4+=) 9.a3 f5 10.Qc2 Be6 11.0–0 Nd7 12.Rac1 a5= ; E3) 8.0–0 Nf6 (8...Be6 9.Nc3 Nd7 10.d4 Nef6 11.a3 Bf5 12.d5 cd5=; 8...Bg4 9.Nc3 Nf6 10.a3 a5 11.b5 Nbd7 12.h3 Bh5+=) 9.a3 a5 10.Nc3 Bg4 11.b5 Nbd7 12.h3 Bh5= ; F) 7...a5 8.b5 Nd7 (8...Nf6 9.0–0 Re8 10.d4 ed4 11.Bd4 Nbd7 12.Qc2 Nf8+=; 8...Bg4 9.0–0 Nf6 10.Nfd2 Be6 11.f4 ef4 12.e4 Re8=; 8...Bf5 9.0–0 Nd7 10.d4 e4 11.Nfd2 Bg5 12.Bg4 Bg4=; 8...Ra7 9.Nc3 Bg4 10.0–0 Nf6 11.d4 Nbd7 12.Qd3 Re8+=; 8...c6 9.Nc3 Nf6 10.0–0 Bg4 11.d4 e4 12.Nd2 Be2+=; 8...a4 9.a3 Nd7 10.Nc3 Nb6 11.0–0 Bf5 12.Rc1 Nf6+=; 8...Be6 9.0–0 Nd7 10.Nc3 Nb6 11.Na4 Na4 12.Qa4 Nf6+=; 8...f5 9.0–0 Nd7 10.Nc3 Nef6 11.d4 e4 12.Nd2 c5+=; 8...Bd7 9.0–0 Nf6 10.Nc3 Bg4 11.h3 Bh5 12.g4 Bg6+=) 9.0–0 Nef6 10.d4 ed4 11.Qd4 a4 12.Nbd2 Nc5=.

6.h3 Be6

7.Qc2 Qd7 8.Be2 Nc6 (8...Na6 9.a3+=) 9.a3 e4 (9...Bf5 10.d3=) 10.Nd4 (10.Ng5!?=) 10...Nd4+= 11.Bd4 b6 (11...c5 12.Bf6 Bf6 13.Nc3+=) 12.Bb2 (12.Nc3 c5 13.Bf6 Bf6 (worse is 13...gf6 14.Qe4 f5 15.Qf4+–) 14.Qe4 d5+=) 12...c5 13.b5 Rad8 (13...d5 14.cd5 Bd5 15.Nc3=) 14.f3 (14.Nc3 d5 15.cd5 Nd5 16.Ne4 f5+=) 14...Bf5 (14...ef3!? 15.gf3 d5–/+) 15.f4 d5 (15...h5=) 16.cd5 (better is 16.g4!? d4 17.ed4 cd4 18.Qa4–/+) 16...Nd5+= 17.0–0 Bh4 (17...Qd6 18.Nc3 Nc3 19.Bc3+=) 18.Nc3 (18.g4 Be6 19.f5+=) 18...Bh3?? (18...Nf6 19.Rad1 Bg3=) 19.Qe4?? (19.gh3 Qh3 20.Qe4+/– (20.Ne4 Bg3 21.Rf2 Bf2 22.Kf2 Qh2 23.Kf3 f5+=)) 19...Nc3 (19...Nf6!? 20.Qb1 Qd2–/+) 20.Bc3+= (worse is 20.dc3 Qd2 21.Qf3 Bg2 22.Kg2 Qb2–+) 20...Bf5 21.Qf3 Be7?? (21...Qe6 22.Rac1+=) 22.Qg3?? (better is 22.e4 Be6 23.f5+–) 22...f6+= 23.Bc4 Be6 24.Be6 Qe6 25.a4 Rd3 26.Qf3 (26.f5 Qf7=) 26...Qf5 (26...f5!?+=) 27.Qb7= Rd7 28.Qc6 Rfd8 29.Rf3 Rd6 30.Qb7 Qe6 (30...Qd7 31.Qd7 R6d7 32.e4=) 31.f5 (31.Qa7 R6d7 32.Qa6 f5+=) 31...Qf7 (better is 31...Qd7!? 32.Qd7 R6d7=) 32.Qa7+/– h6 33.Qb7 Rd5? (better is 33...R8d7 34.Qa8 Kh7+/–) 34.Qb6+– Kh7 (34...R5d6 35.Qb7+–) 35.Qb7 (35.Qe6 Qe6 36.fe6 R5d6+–) 35...R8d7 36.Qc6 1–0. GuestQYPC – GuestVHQW, freechess.org, 2017.

7.Nc3 a6 8.Qc2 Nc6 9.a3 d5 10.d3 d4=+ 11.ed4 Nd4–/+ 12.Nd4 Qd4?? 13.Ne2 Qd6= 14.0–0–0 c5–/+ 15.g4 cb4–+ 16.g5? ba3 17.Ba1 Nh5 18.h4 b5 19.Ng3 Ng3 20.fg3 Rfc8 21.Be2 Qc5 22.Rdf1 bc4 (22...bc4 23.Kd2 Qa5 24.Bc3 Bb4 25.Bb4 Qb4 26.Qc3 a5–+) 0–1. gtate (1930) – rrcn (1995), net–chess.com, 2004.

6.Qc2 b6

7.Nc3 a5 8.b5 Nbd7 (8...Bb7 9.Be2 Nbd7 10.d4 a4 11.0–0 a3 12.Bc1 Re8; 8...g6 9.Be2 Nbd7 10.d4 Bb7 11.0–0 Re8 12.h3 Bf8; 8...h6 9.Be2 Bb7 10.0–0 Nbd7 11.d4 ed4 12.ed4 Re8; 8...Re8 9.Be2 Nbd7 10.0–0 Bb7 11.d4 g6 12.Rfe1 Bf8) 9.Be2 Bb7 10.0–0 Nc5 11.d4 ed4 12.ed4 Ne6.

7.Nc3 a6 A) 8.a3 Nc6 (8...a5 9.Bd3 ab4 10.Nd5 b3 11.Qb3 Nbd7 12.Qc2 Bb7; 8...h6 9.Bd3 Nc6 10.0–0 Be6 11.h3 Qe8 12.e4 Qc8) 9.Bd3 h6 10.0–0 Be6 11.h3 Qd7 12.Nd5 Rab8; B) 8.Nd5 g6 (8...Nc6 9.Bc3 h6 10.Bd3 Be6 11.Qb3 b5 12.0–0 e4) 9.Be2 Nc6 10.0–0 Be6 11.Qb3 Bf5 12.Rac1 Qd7; C) 8.Be2 Nc6 (8...h6 9.0–0 Bb7 10.a3 Qd7 11.h3 Re8 12.d4 ed4) 9.a3 h6 10.0–0 Bg4 11.Nd5 Qd7 12.d4 ed4; D) 8.h3 g6 (8...Nc6 9.a3 h6 10.Bd3 Bd7 11.0–0 Be6 12.Nd5 Qd7 ; 8...h6 9.Bd3 Nc6 10.a3 Be6 11.0–0 Qe8 12.e4 Qc8; 8...Be6 9.Bd3 Nc6 10.a3 h6 11.0–0 Qe8 12.e4 Qc8; 8...Bb7 9.Bd3 g6 10.0–0 Qd7 11.Ng5 Nc6 12.a3 a5; 8...Qd7 9.Nd5 Nc6 10.a3 g6 11.Bd3 Bb7 12.0–0 Nd8; 8...Ra7 9.Bd3 Nc6 10.a3 h6 11.0–0 Be6 12.Nd5 Qd7) 9.Bd3 Bb7 10.0–0 Qd7 11.Ng5 Nc6 12.a3 a5; E) 8.Rc1 h6 (8...g6 9.Bd3 Nc6 10.a3 Be6 11.0–0 Qd7 12.Ng5 Bf5 ; 8...Be6 9.Ng5 Nc6 10.Ne6 fe6 11.a3 Qe8 12.Bd3 Qf7; 8...Bg4 9.Nd5 Nc6 10.Bc3 g6 11.Bd3 a5 12.ba5 Na5; 8...Bd7 9.b5 h6 10.Bd3 ab5 11.cb5 Be6 12.Bf5 Qc8; 8...h5 9.Bd3 Nc6 10.a3 g6 11.0–0 Bg4 12.Nd5 Qd7; 8...Nc6 9.b5 Na5 10.Bd3 g6 11.0–0 Be6 12.Na4 ab5) 9.Bd3 Nc6 10.a3 Be6 11.0–0 Qd7 12.Nd5 Rfe8; F) 8.b5 Bb7 (8...Nbd7 9.Be2 ab5 10.cb5 Bb7 11.0–0 e4 12.Nd4 Ne5; 8...ab5 9.cb5 Nbd7 10.Be2 Bb7 11.d4 e4 12.Nd2 d5) 9.Be2 ab5 10.cb5 e4 11.Nd4 c5 12.bc6 Nc6; G) 8.Bd3 Nc6 9.a3 h6 10.0–0 Be6 11.h3 Qd7 12.Ne4 Rfe8.

7.Nc3 Bb7= A) 8.Be2 Na6 9.a3 c5 10.b5 Nc7 11.0–0 Ne6 12.Bd3 g6; B) 8.b5 Nbd7 (8...Qd7 9.Be2 e4 10.Nd4 c5 11.bc6 Nc6 12.Nc6 Bc6; 8...a6 9.Be2 ab5 10.cb5 c5 11.0–0 Nbd7 12.e4 Qc7; 8...h6 9.Be2 Nbd7 10.0–0 e4 11.Nd4 Ne5 12.Nf5 a6; 8...c6 9.Bd3 Nbd7 10.Ng5 g6 11.0–0 Nc5 12.bc6 Bc6; 8...g6 9.Be2 Nbd7 10.0–0 a6 11.d4 ed4 12.ed4 ab5; 8...Re8 9.Be2 Nbd7 10.0–0 Nc5 11.Rae1 Qd7 12.d4 ed4) 9.Be2 Nc5 10.0–0 Qd7 11.h3 e4 12.Nd4 a6; C) 8.Bd3 a5 9.b5 Nbd7 10.Ba3 Nc5 11.Bc5 bc5 12.0–0 g6.

7.Nc3 Nbd7 A) 8.Bd3 a5 (8...g6 9.0–0 a5 10.a3 Bb7 11.h3 c5 12.ba5 Ra5; 8...Bb7 9.0–0 a5 10.a3 c5 11.b5 Qc7 12.h3 h6; 8...h6 9.0–0 a5 10.a3 Bb7 11.Bf5 g6 12.Bd3 c5) 9.a3 ab4 10.ab4 Ra1 11.Ba1 Bb7 12.0–0 c5; B) 8.a3 a5 (8...c5 9.Bd3 a5 10.0–0 Bb7 11.bc5 Nc5 12.Be2 Nfe4 ; 8...Bb7 9.Bd3 a5 10.0–0 c5 11.b5 Qc7 12.h3 h6; 8...h6 9.Bd3 Bb7 10.0–0 a5 11.Rfe1 c5 12.b5 Qc7) 9.Bd3 ab4 10.ab4 Ra1 11.Ba1 c5 12.b5 Qc7; C) 8.Be2 a5 (8...Bb7 9.0–0 a5 10.a3 h6 11.Bd3 Qc8 12.Rfe1 Re8 ; 8...h6 9.0–0 Bb7 10.d4 ed4 11.ed4 Re8 12.Rae1 d5) 9.b5 Bb7 10.0–0 Nc5 11.d4 ed4 12.ed4 Ne6.

7.Nc3 Bg4 A) 8.Bd3 Nc6 (8...a5 9.b5 h6 10.h3 Be6 11.0–0 Nbd7 12.Ne4 Nc5 ; 8...h6 9.h3 Be6 10.0–0 a5 11.a3 ab4 12.ab4 Nc6; 8...g6 9.h3 Bf3 10.gf3 Nc6 11.Qa4 Qd7 12.Nd5 Nd5; 8...Nbd7 9.0–0 a5 10.a3 h6 11.Bf5 Bf5 12.Qf5 c6) 9.Qa4 Qd7 10.b5 Na5 11.Nd5 Nd5 12.cd5 f5; B) 8.b5 Nbd7 (8...g6 9.Be2 Nbd7 10.h3 Bf5 11.e4 Be6 12.d4 ed4 ; 8...h6 9.h3 Bc8 10.Be2 Nbd7 11.0–0 Bb7 12.d4 a6) 9.Be2 Nc5 10.h3 Bh5 11.0–0 Bg6 12.Qd1 Nd3; C) 8.h3 Be6 (8...Bh5 9.Be2 a5 10.b5 Nbd7 11.0–0 Nc5 12.d4 Bg6 ; 8...Bf3 9.gf3 g6 10.Rg1 Nbd7 11.Bd3 a5 12.a3 ab4; 8...Bc8 9.Bd3 Nc6 10.a3 h6 11.b5 Na5 12.Nd5 Be6) 9.Bd3 h6 10.0–0 a5 11.a3 ab4 12.ab4 Nc6.

7.Nc3 g6 8.Bd3 Nc6 (8...a5 9.b5 Nbd7 10.Ba3 Bb7 11.0–0 Bf3 12.gf3 Nc5; 8...Qe8 9.a3 Nc6 10.Nd5 Qd7 11.0–0 Bb7 12.Bc3 Nd8; 8...Bb7 9.a3 Qd7 10.0–0 a6 11.Rfe1 Kg7 12.Qb3 Bf3) 9.a3 Be6 10.0–0 Qd7 11.Ng5 Bf5 12.f4 Bd3.

7.Nc3 h6 A) 8.Be2 a6 (8...Be6 9.0–0 Nc6 10.b5 Na5 11.Ne4 Ne4 12.Qe4 Qd7; 8...Bb7 9.0–0 Na6 10.a3 c5 11.Qa4 Nc7 12.bc5 bc5; 8...Nbd7 9.0–0 a5 10.b5 Bb7 11.d4 Re8 12.Rad1 Bf8; 8...Na6 9.b5 Nc5 10.d4 ed4 11.ed4 Ne6 12.0–0 a6; 8...c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bb7) 9.0–0 Bb7 10.a3 a5 11.h3 e4 12.Nd4 Nc6; B) 8.Bd3 Nc6 (8...a5 9.b5 Be6 10.0–0 Nbd7 11.Ne4 Nc5 12.Nc5 bc5; 8...Be6 9.0–0 a5 10.a3 Na6 11.ba5 ba5 12.Be2 Qd7; 8...a6 9.0–0 Nc6 10.Qb3 Be6 11.Nd5 b5 12.e4 Qb8; 8...Bb7 9.0–0 Re8 10.a3 Nbd7 11.h3 Nf8 12.Nh4 g6; 8...Bd7 9.b5 Be6 10.0–0 Nbd7 11.Ne4 Nc5 12.Nc5 bc5) 9.Qa4 Bb7 10.b5 Na5 11.Qc2 c6 12.0–0 cb5.

7.Be2 Bb7 8.d3= (8.Nc3 Na6 (8...h6 9.0–0 Nbd7 10.d4 ed4 11.ed4 Re8 12.Rfe1 a5; 8...Qd7 9.0–0 e4 10.Ng5 Qf5 11.f4 h6 12.Nf3 Nc6; 8...g6 9.0–0 Qc8 10.d4 ed4 11.ed4 Re8 12.b5 Nbd7; 8...a5 9.b5 Nbd7 10.0–0 Nc5 11.d4 ed4 12.ed4 Ne6; 8...Re8 9.0–0 h6 10.h3 a6 11.a3 Qd7 12.d4 ed4) 9.a3 c5 10.b5 Nc7 11.0–0 Ne6 12.Bd3 Qd7) 8...a5 (8...Nbd7 9.0–0= (9.Nc3 a5 10.b5 Nc5 11.0–0 Qd7 12.d4 ed4) 9...e4 10.Ng5 a5 11.ba5 Ra5 12.Ne4 Ne4; 8...Na6 9.b5 Nc5 10.Nc3 e4 11.de4 Nfe4 12.0–0 Nc3; 8...e4 9.de4 Be4 10.Qb3 a5 11.a3 Nc6 12.Nbd2 Bf5) 9.a3 (9.b5 c6= (9...e4 10.Ng5 ed3 11.Bd3 h6 12.Nh7 Re8) 10.Nc3 cb5 11.Nb5 Na6 12.0–0 Qd7) 9...e4 (9...Nbd7 10.0–0= ab4 11.ab4 Ra1 12.Ba1 e4; 9...ab4 10.ab4 Ra1 11.Ba1 Na6 12.Qb3 c5) 10.Ng5 (10.de4 Be4 11.Bd3 (11.Qb3 ab4 12.ab4 Ra1) 11...Bf3 (11...Bd3 12.Qd3 ab4) 12.gf3 Nc6+= –0.46/9 (12...ab4 13.ab4 Ra1 14.Ba1 Nbd7=)) 10...ed3 (10...ab4 11.ab4 (worse is 11.de4 h6–/+ 12.Nf3 Be4; 11.Ne4 d5 12.Nf6 Bf6) 11...Ra1 (11...Na6 12.Ne4 Nb4) 12.Ba1+= Na6) 11.Bd3 h6 12.Nf3 (12.Nh7 Re8 (worse is 12...Bg2 13.Rg1 Bb7 14.Nf8 Kf8 15.b5+/–) 13.0–0 ab4 14.ab4 Ra1 15.Ba1 Na6=) 12...Nbd7 (12...Bf3 13.gf3 ab4 14.ab4=; 12...ab4–/+) 13.Nbd2= d5 (13...Ne5 14.0–0=) 14.Qb3 (14.b5 Nc5=) 14...ab4 (14...dc4 15.Bc4 (worse is 15.Nc4 ab4 16.ab4 Ra1 17.Ba1 Nd5+=) 15...ab4 16.ab4 Ra1 17.Ba1=) 15.ab4 Ra1 16.Ba1 c5 17.b5 dc4 18.Bc4 Ne4 (18...Bd6 19.0–0=) 19.Ne4 (19.0–0 Nd2 20.Nd2 Bd6+=) 19...Be4 20.Ne5 (20.0–0 Bf3 21.gf3 Bf6=) 20...Ne5+= (20...Bg2 21.Bf7 Rf7 22.Qf7 (22.Nf7?! Qa8 23.Nh6 Kh7 24.Qg8 Qg8 25.Ng8 Kg8+=) 22...Kh7 23.Nd7+–) 21.Be5 Bf6 (better is 21...Bh4+=) 22.Qc3? (better is 22.Bf6!? Qf6 23.0–0=) 22...Be5–/+ 23.Qe5 Bd3 (23...Bg2 24.Rg1 Qa8+=) 24.Qc3= Bc4 25.Qc4 Qd6 26.Ke2 (26.0–0!?=) 26...Rd8+= 27.Qc2 (27.Qe4 Qd2 28.Kf3 Qd7–/+) 27...Qd5–/+ 28.Rd1 (28.f3 Qe5–/+) 28...Qd1 (28...Qh5 29.Ke1 Rd1 30.Qd1 Qd1 31.Kd1–/+) 29.Qd1 Rd1 30.Kd1 Kf8 31.Kd2 Ke7 32.Kd3 Ke6 33.e4 Ke5 (33...g5 34.f3–/+) 34.g3 g5 35.h3 h5 36.f3 f5 37.Ke3?? (better is 37.ef5 Kf5 38.Kd2+=) 37...fe4–+ 38.fe4 c4 39.g4 (39.Kf3 c3 40.Ke3 c2–+) 39...h4 40.Kf3 Kd4 41.e5 (41.Ke2 Ke4 42.Kd2 Kd4–+) 41...Ke5 42.Ke3 Kd5 43.Kd2 Ke5 (43...Ke5 44.Ke3 c3–+) 0–1. Ho Hou Meng – Medina,Ri (2005), 37th Olympiad, Turin ITA, 2006.

7.Be2 e4 8.Ng5 d5 (8...Na6 9.a3 d5 10.cd5 Qd5 11.h4 Qb7 12.f3 c5) 9.cd5 Qd5 A) 10.Qc7? Bd6 (10...Qg5?! 11.Qe7 Qg2 12.Rf1=; 10...Bb4? 11.Bf6 gf6 12.Ne4+–) 11.Nc3 Bc7 (11...Qg5?! 12.Qd6 Qg2 13.0–0–0+=) 12.Nd5 Nd5–+; B) 10.f4+= Bf5 11.Bc4 Qd7 12.Nc3 Nc6.

6.Nc3 a5

7.a3 ab4 8.ab4 Ra1 9.Qa1 =+.

7.a3 Re8 8.d3 (8.b5 e4 9.Ng5 Bf5=) 8...Bf8 (8...ab4!? 9.ab4 Ra1 10.Qa1 Na6+=) 9.Be2= Na6 (9...d5 10.cd5 ab4 11.ab4 Ra1 12.Qa1 Bb4 13.0–0=) 10.Qb3 (10.0–0 Bf5=) 10...c6 (10...ab4 11.ab4 d5 12.0–0=) 11.0–0 d5 12.d4 ed4 (12...ab4 13.ab4 e4=) 13.Nd4+= c5 14.bc5 Nc5 15.Qc2 dc4 16.Bc4 Ng4 17.Nf3 Ne5 18.Ne5 Re5 19.Ne2 (19.Rad1 Qh4 20.Rd4 Qh5+=) 19...Rh5 (19...Bf5 20.Qc1 Re8 21.Rd1=) 20.Ng3 Rh4 21.Rfd1 Qc7 22.Rac1 Bd7 (better is 22...Be6 23.Be6 fe6+=) 23.Bd4 (better is 23.Rd4 Rh6 24.Bd3+/–) 23...Ba4+= 24.Bb3 Bb3 (24...Nb3 Exploits the pin 25.Qc7) 25.Qb3 Nb3 A pinning theme (better is 25...Qg3! 26.hg3 Nb3–/+) 26.Rc7= ½–½. Poenisch,Eckehard – Hoffmann,Ulrich, Oberliga Ost–A, 1996.

7.ba5 Nc6 8.d4 =+.

7.b5 b6 8.Be2+= c5 9.Bd3 Bb7 10.Qc2 Re8 11.0–0 Nbd7 12.h3 (12.Rae1 h6+=) 12...a4= 13.a3 (13.Na4? e4 14.Be4 Be4–+) 13...Qc8 (13...h6 14.Rfe1+= (14.Na4? e4–+)) 14.Rfe1 Qd8 15.e4 (15.Na4? e4 16.Be4 Be4–+) 15...h6 16.Na4 Nh5 17.Nc3 Nf4 18.Bf1 (18.Nd5 Nd3 19.Qd3 Nf6+=) 18...Qc8 (18...Nf6!?+=) 19.Nd5+/– Qd8 20.a4 Nf6 21.Ne7 (21.Nf4 ef4 22.d4 cd4 23.Bd4 Nh5+/–) 21...Re7 22.g3 Nh3?? (better is 22...Ne6+/–) 23.Bh3+– Nh5 (23...h5 24.Bc3+–) 24.Bc3 Qc7 (24...Bc8 25.Bg2+–) 25.Reb1 Rf8 (25...Nf6 26.d3+–) 26.a5 ba5 (26...Ra8 27.a6 Bc8 28.Bg2+–) 27.Ba5 Qc8 (27...Qb8+–) 28.Bc8 Rc8 29.d3 Nf6 30.Bc3 (30.Nh4 h5+–) 30...g5 31.Qd2 Ng4 32.Ng5! hg5 33.Qg5 Kf8 34.Qg4 Re6 35.Ra7 Be4 36.Qe4 Rf6 37.Qh7 Rg6 (37...Rc7 38.Rc7 Rf2 39.Qh8) 38.Qf7 1–0. Fritz 11 – Anonymous, Microsoft, 2012.

7.b5 c6 8.d4 e4 9.Nd2 d5 10.Be2 Bf5=.

7.b5 Qd7 8.Be2 Qf5 9.0–0 Qg6 10.d4 e4=.

7.b5 Nbd7 8.d4 ed4 9.ed4 d5 10.c5 (worse is 10.Nd5 Nd5 11.cd5 Bb4 12.Nd2 Re8 13.Be2 Qg5–+) 10...c6 11.Bd3 b6 12.bc6 The passed pawn on c6 will quickly become a dangerous weapon 12...Nb8 13.Ne5 bc5 14.dc5 Bc5 15.0–0 Bd6 16.Nb5 Be5 17.Be5 Nc6 18.Bd6 Re8 19.Bg3 Ne5 20.Rc1 Nd3 21.Qd3 Ba6 22.a4 Re4 23.Qa3 Qd7 24.Rc5 Rb4 25.Rc7 Qd8 26.Re1 Bb5 27.ab5 Rb5 The passed pawn on a5 will become decisive later 28.h3 h6 29.Ree7 Qf8 30.Be5 Rb6 (30...Rb1 31.Kh2 Ne4 32.Qf3+=) 31.Qa4 Re6 32.Re6 fe6 33.Qc6 Kh8 34.Bf6 gf6 35.Qe6 Re8 36.Qd7 Do you see the mate threat? 36...Qg8 37.Qf5 The mate threat is Qxf6 37...Rf8 38.Qd7 a4 39.Qe7 White terminates the opponent with strong threats 39...a3 40.Ra7 a2 41.Ra2 Qf7 42.Qe3 Qg7 43.Ra7 Qg6 44.Qe7 Threatening mate: Qxf8 44...Rg8 45.g3 Qb1 46.Kh2 Do you see the mate threat? (46.Kh2 Qf5 47.Qe3+=) 1–0. Ramkrishna,Kashelkar (2185) – Abbasifar,Hassan, GACC, 2001.

7.b5 Be6 8.Be2 Nbd7 9.d4 Re8 10.0–0 Bg4=.

7.b5 Re8 =+.

7.b5 Bg4 8.Be2 Nbd7 9.d4 ed4 10.Qd4 (10.Nd4 Ne5 11.f3 Bd7=) 10...Re8 (10...Nc5 11.0–0=) 11.h3 (11.Nd5 a4=) 11...Bf3 12.Bf3 Rb8 (12...Ne5 13.Be2=) 13.0–0+= Bf8 (13...Qc8 14.Nd5+=) 14.Nd5 Nd5 15.Bd5 Nc5 16.Bc3 b6 (16...a4 17.Qd1+/–) 17.Rad1 Ne6 (17...Qg5+/–) 18.Be6 (18.Qg4!? Nc5 19.Rfe1+/–) 18...Re6 19.Qg4 Qe7 20.Rd5 Re4 21.Qe2 Re8 22.Rfd1 g6 23.R1d4 Re6 24.Qb2 f5 25.Rd1 (25.Rd3 Qf7=) 25...Bh6 26.g3 Qf7 Black intends f4 (26...Be3 27.fe3 Re3 28.R5d3–+) 27.Bd4 Re4 Black prepares the advance f4 28.Qc3 (28.Kg2 Bg7=) 28...g5 (28...Bg7 29.Bg7 Qg7 30.Qg7 Kg7 31.R5d4=) 29.Kg2 (29.Rd2 g4=) 29...f4= 30.ef4 (30.Rf1 f3 31.Kh2 g4=) 30...gf4 31.Rd3 R8e6 32.Rf3 Qg6 33.Qd3 Qe8 (33...Re2 34.a3=) 34.Bb2 Rg6 35.Rf5 Qe6 36.Qd5 Qd5 37.cd5 (worse is 37.Rd5 Rc4 38.g4 Rc2+=) 37...fg3 38.fg3 Rb4 39.Rb3 (39.Bc3 Rb5 40.Rf7 Rc5+=) 39...Rb3= 40.ab3 Bg7 41.Bg7 (41.Bc1 Rf6 42.g4 Rf8=) 41...Rg7+= 42.Rf4 Re7 43.Kf2 Re5 44.Rd4 Kg7 45.Kf3 Kg6 46.Rg4 Kf6 47.Rf4 Kg7 48.Rg4 (48.Rd4 h6+=) 48...Kh8 49.Rd4 h5 (49...h6 50.g4=) 50.g4 hg4 51.hg4 Kg7 52.Rc4 (52.Rd1!?=) 52...Rd5–/+ 53.Rc7 Kf6 54.Rc6 Rb5 55.Rd6 Ke5 (55...Kg5 56.Rd3–/+) 56.Rd3 Rc5 57.Kg3 b5 58.Rf3 Ke6 (58...a4 59.ba4 ba4 60.Rf5 Kd6 61.Rf6 Kc7 62.Ra6=) 59.Kh4= b4 60.g5 Rc3 61.Rf6 (61.Rf1 Rb3 62.g6 Rb2=) 61...Ke7 62.Ra6 Kf7 (62...Rb3 63.Ra7 Ke6 64.Ra6 Kf5 65.Ra5 Kf4 66.Ra2=) 63.Ra5 Rb3 64.Ra7 Kg6 ½–½. Melich,Jindrich (2140) – Terentiev,Denis (2245), Decin op–A, 1998.

6.Nc3 a6

7.d4 ed4 8.Nd4 Nc6 9.b5 ab5 10.Ndb5 Be6 11.Be2 Ne5 12.Qb3 c6 13.Nd4= b5 14.Ne6+/– fe6 15.cb5 cb5? 16.Nb5 Rb8? 17.Qe6+– Kh8 18.0–0 Ng6 19.a4 Re8 20.Qb3 Ne4 21.Rfd1 Nc5?! 22.Qf7 Bf6 23.Bf6 gf6 24.Rd6 Qe7 25.Qf6 Qf6 26.Rf6 Ne4 27.a5 Nf6+/– 28.a6 Re7? 29.a7 Ra8 30.Bf3 Ne4 31.Be4 Re4 32.Nc7 Ra7 33.Ra7 Re7 34.Nb5 Ra7 35.Na7 Kg7 36.f4 h5 37.Kf2 Kf6 38.Nc6 Kf5 39.g3 h4 40.Kf3 hg3 41.hg3 Nf8 42.e4 Kf6 43.e5 Kf5 44.g4 Kg6 45.Ke4 Kf7 46.f5 Ke8 47.e6 Nh7 48.Ke5 Ng5 49.f6 (49.f6+–) 1–0. katchum (2280) – nangabakak (2030), net–chess.com, 2004.

7.d4 e4 8.Nd2 d5 =+.

7.Be2 Qd7 8.d4 Qf5 9.0–0 e4 10.Nd2 d5=.

7.Be2 e4 8.Ng5 d5 9.cd5 Nd5 10.Nge4 Nb4=.

7.Be2 Be6 8.0–0 a5 9.b5 Nbd7 10.Ng5 Nb6+=.

7.g3 Bg4 8.Bg2? e4–+ 9.h3 Bh5?? 10.g4=+ ef3 11.Bf3? Bg6–+ 12.Bb7 Ra7 13.Bg2 Bd3 14.c5 dc5 15.bc5 Bc5 16.Qb3 a5 17.Na4 Bb4 18.Rd1 Ba6 19.a3–/+ Be7 20.Bd4=+ c5 21.Nc5 Rc7 22.Bf6 Bf6 23.d4 Bc8 24.Qb8 Re8?? 25.0–0 Qe7 26.Qb5 Ra7 27.a4 Bh4 28.Ne4 Bb7 29.Rb1?? Be4–/+ 30.Be4 Qe4 31.Kh2 Raa8 32.Rb3 Rec8 33.Rb2 h6 34.Qb3 Rab8 35.Qa2? Rb2–+ 36.Qb2 Rc2 37.Qb8 Kh7 38.Kg1 Qf3 39.Qh2–+ Ra2 40.Qg2 Qg2 41.Kg2 Ra4 42.f4 Ra2 43.Kf3 a4 44.d5 a3 45.Ke4 Rd2 46.Ra1 a2 47.d6 Bf6 48.Rc1 Rd6 (48...Rd6 49.g5 hg5 50.fg5 a1Q 51.Ra1 Ba1–+) 0–1. wlittle (2300) – felippe (2250), net–chess.com, 2004.

7.Be2 Nc6

8.a3 Bg4 9.0–0 Re8 10.d4 ed4=.

8.b5 ab5 9.cb5 Nb8 10.0–0 Be6 11.d4 (11.Ng5 d5=) 11...Nbd7 (11...e4 12.Ng5=) 12.a4 (12.e4 Re8=) 12...h6 (12...e4!? 13.Ng5 d5=) 13.Qc2 Nd5 (13...Ra5!?=) 14.Nd5+/– Bd5 15.de5 de5 16.Ne5 (16.Be5 Bf3 17.Bc7 Rc8 18.Bd8 Rc2=) 16...Bf6 (16...Ne5 17.Be5 Bd6 18.Bd6 cd6 19.Qd3+/–) 17.Nd7 Bb2 18.Qb2 Qd7 19.Rfd1 Qe6 20.Qb4 Rfd8 21.Qc5 c6 22.h3 (22.a5 cb5 23.Qb5 Rac8+/–) 22...Qg6 Do you see the mate threat? 23.Bf1 Rac8 24.Rd4 cb5 25.Qb5 Bc6 26.Qb6 Qf6 27.Rad1 Rd4 28.Rd4 Ra8 29.Bb5 Bb5 (29...Rc8 30.Bd3+/–) 30.Qf6+– (worse is 30.Qb5 Rc8+/–) 30...gf6 31.ab5 Ra1 32.Kh2 Rb1 33.Rd5 Rb2 34.Kg3 Kg7 35.Kf3 Kg6 36.g4 Rb1 37.h4 Rb4 38.h5 Kg7 39.e4 Rb2 40.Ke3 Rb4 41.Kd3 Kf8 42.Rf5 Ke7 43.f3 (43.Rc5 Ke6+–) 43...Ke6 44.Kc3 (44.Rd5 Rb3 45.Ke2 Ra3+–) 44...Rb1 45.Kc4 (45.Rd5 Rc1 46.Kd2 Ra1+–) 45...b6 (45...Rc1 46.Kd4+–) 46.Kd4 White intends e5 (46.Rd5 Rc1 47.Kb4 Rb1 48.Kc3 Ra1+–) 46...Rb3 47.e5 (47.f4!? Rg3+–) 47...Rb4 48.Kc3 Rb5 49.Rf6 Ke7? (better is 49...Kd5+–) 50.f4 (worse is 50.Rh6 Re5 51.Rb6 Re3 52.Kc4 Rf3+–) 50...Rc5 51.Kd4 Rb5 (51...Rc1 52.Rh6 b5 53.Rb6 Rc4 54.Ke3+–) 52.Rh6 Rb4 53.Ke3 b5 54.Rb6 Rb3 55.Ke4 Rb1 (55...Rb4 56.Kf5+–) 56.h6 f5 (56...Re1 57.Kf5 Rh1+–) 57.Kf5 (57.Kf5 b4 58.Rb7 Kf8 59.h7+–) 1–0. Kreuzer – Reitmeier, 1991.

6.Nc3 c6

7.a3 a5 8.b5 cb5 9.Nb5 Nc6 10.d3 Be6=.

7.a3 e4 8.Nd4 c5 9.Nc2 Nc6 10.d3 Bg4=.

7.Qc2 a5 8.b5=.

7.Qc2 Nbd7 8.Be2 Qc7 (8...h6 9.0–0=) 9.d4 h6 (9...a5 10.b5=) 10.0–0+= ed4 11.Nd4 Nb6 (11...Re8 12.Rfd1+=) 12.Rad1 White intends b5 (12.Rfd1 Bg4+=) 12...d5 (12...a5 13.b5+=) 13.cd5 (13.c5 Nc4+=) 13...Nbd5 14.Nd5 Nd5 15.b5 (15.a3 a5 16.b5 cb5+=) 15...c5 (better is 15...cb5!? 16.Qb3 Rd8+=) 16.Nf5+/– Bf5 17.Qf5 Rad8?? (better is 17...Nb6+/–) 18.Rd5+– 1–0. pcmvr (2775) – michelleke (2280), net–chess.com, 2008.

7.Qc2 g6 8.Be2 Nh5 9.0–0 f5 10.c5 e4 11.Qb3 d5 12.Nd4 Bf6 13.Bh5 Qe7?? (better is 13...gh5 14.Nce2 b6+/–) 14.Be2+– Nd7 15.f3 ef3 16.Nf3 Ne5 (16...a5 17.a3 Re8+–) 17.Ne5 Be5 18.Nd5! cd5 (18...cd5 19.Qd5 Double attack) 19.Qd5 (19.Qd5 Rf7 20.Qe5 Qe5 21.Be5+–) 1–0. pcmvr (2860) – jparkinson (2465), net–chess.com, 2011.

6.Nc3 Na6 7.a3 c5 (7...Bf5 8.d4 e4 9.Qc2 c5 10.b5 Nb8=; 7...Re8 8.Be2 c5 9.b5 Nc7 10.d3 a6=) 8.bc5 Nc5 9.d4 ed4 10.ed4 Ne6=.

7.Bd3 Bg4 8.Qc2 Bf3 9.gf3 d5 10.a3 Nbd7+=.

7.d4 ed4 8.ed4 d5=+ 9.Be2 dc4 10.Bc4 Bb4 11.0–0 Bg4 12.Qb3 Bf3 13.Qb4=+ b5 14.Bb5 Bg2 15.Kg2 cb5 16.Nb5 Nc6 17.Qc5 Qd5 18.Qd5= Nd5 19.Rac1 Ncb4 20.Ba3 Rfb8 21.Bb4 Nb4 22.Nc7+/– Na2 23.Ra1 Nc3 24.Na8 Ra8 25.Rfc1 Nb5 26.d5 Rd8 27.Rc5 Rb8 28.Rb1 a6 29.Ra1 Ra8?? 30.Rb5 1–0. CountFromHolland – arsenic, playchess.de, 2002.

7.Be2 Nbd7 8.d4 ed4 9.Qd4 Qb6 10.b5 Rd8 11.0–0 Nc5 12.Rfd1 Bf5 13.Qf4 Bc2 14.Rd2 Ne6 15.Qh4 Bg6 16.Qh3 a6 17.a4 ab5 18.ab5 Ra1 19.Ba1 d5 20.cd5 cd5 21.g3 Bb4 22.Qf1 Qc7 23.Bd3 Bc3 24.Rc2 Bd3 25.Qd3 Ne4 26.Bc3 Rc8 27.Qd5 Nc3 28.Qb3 b6 0–1. Melich – Horak, Ceske Budejovice 1992.

7.Be2 e4 8.Nd4 d5 (8...c5 9.bc5 dc5 10.Nb3= a5 11.a4 Nc6 12.g4 h6=) 9.a3 (9.cd5 cd5 10.b5 a6 11.ba6 Na6 12.d3 Bd6=) 9...a5 10.cd5 (10.Qb1 ab4 11.ab4 Ra1 12.Ba1 Re8=) 10...ab4 11.ab4 Ra1 12.Qa1 (12.Ba1 cd5=) 12...Bb4 (12...cd5 13.b5=) 13.Qa7 Qd6 14.0–0 Bc5 15.Qa8 Bd4 16.ed4 Re8 17.Ba3 (17.Qa2 cd5 18.Ba3 Qd8=) 17...Qf4= 18.Rd1 Bg4 (18...Ng4 19.Bg4 Bg4 20.Rc1+=) 19.d6 b6 20.Qa7 (20.Qb7 Be2 21.Ne2 Qg4+=) 20...Bf3+= 21.g3 (21.gf3? ef3 22.Bf3 Qf3–+) 21...Qg4 22.Re1 (22.Bc4 Qd7 23.Qb6 Bd1 24.Nd1 Qh3+=) 22...Be2 23.Re2 (23.Ne2 g5 24.Qb6 Qh3+=) 23...Nbd7= 24.Qa4 b5 25.Qa6 Rb8 26.Bb4 Qe6 27.Re1 (worse is 27.Qc6 Qb3 28.g4 h6–/+ (28...Qb4?! 29.g5 Qc4 30.d5=)) 27...Qc4 28.Rb1 h5 29.h4 Re8 30.Qa7 Kh7 31.Rb2 Kg8 32.Ba3 Qe6 33.Qb7 Qh3 34.Nd1 (34.Qc6 Ng4 35.Nd1 Nh2 36.Rb3 Nf3 37.Rf3 ef3 38.Ne3 Re3 39.Qc8 Kh7 40.Qc2 Kh6 41.Qg6 Kg6 42.de3 Qg2) 34...g5 35.Qc6 (35.hg5?? Nh7 36.Rb5 cb5 37.Qb5 h4–+) 35...gh4 36.Rb3 Rb8 37.Rb5 Kh7 38.Rb8 hg3 39.fg3 Qg3 40.Kf1 Qh3 41.Ke1 Qh1 42.Ke2 Nb8 43.Qb5 Qf3 44.Ke1 Nbd7 (worse is 44...Qa3 45.Qf5 (45.Qb8?? Qg3 46.Nf2 Ng4–+) 45...Kg7 46.Qg5 Kh7 47.Qf6+=) 45.Ne3 Kg6 46.Qf1 Qf1 (46...Ng4 47.Qf3 ef3 48.Bc1+=) 47.Kf1= Kg5 48.Kg2 Nf8 49.Nc4 N6d7 50.Bb2 f6 51.Kf2 h4 52.Kg1 Ne6 53.Kh2 Nf4 54.Ne3 f5 55.Bc3 Nd3 (55...Ne2 56.Nc4+=) 56.Ba5= Kf6 57.Kh3 Ke6 58.d5 Kd6 59.Nf5 Kd5 60.Kh4 N7e5 61.Bc3 Nf7 62.Kg3 Kc5 63.Bd4 Kd5 64.Bc3 Kc5 ½–½. wiking (2295) – Piritubachess (2030), internet, 2010.

7.Be2 Re8 8.a3 Be6 9.0–0 Nbd7 10.e4 Qc7 11.Ng5+= Nf8 12.Re1 h6= 13.Ne6 Ne6 14.d3 Rad8 15.Bf1 Bf8 16.Rc1 Nd4 17.Ne2+= c5 18.bc5 dc5= 19.Nd4 cd4 20.Rb1 Re6 21.g3 Ra6=+ 22.Qb3 Rb6 23.Qa4 Ra6 24.Qb3 Rb6 25.Qa4 Ra6 26.Qb3= ½–½. algernon (1700) – pops (1860), net–chess.com, 2001.

7.Be2 Bf5 8.0–0 Nbd7 9.a4 a5 10.b5 Qc7 11.d4 h6 12.h3 Rfe8 13.Qb3 ed4 14.ed4 Rac8 15.Rfe1 Bh7 16.Rad1 Bf8 17.Bf1 (17.Bc1 Ne4+=) 17...g5 18.Ba3 c5 19.d5 Bg7 20.Bc1 Bg6 21.Bd3 Bd3 22.Re8 Re8 23.Rd3 Qd8 24.Bd2 g4 25.Nh2 Ne5 26.Rg3 h5 27.Nf1 (27.f4 h4 28.Re3 g3 29.fe5 gh2 30.Kh2 Nh5+=) 27...h4= 28.Re3 Qd7 29.Nd1 (29.b6 Qf5 30.Nb5 Rd8=) 29...Qf5 (29...b6 30.Qc2=) 30.Bc3 (30.Ba5!? Bh6 31.hg4 Qg4 32.Re1=) 30...Nh5+= 31.Be5 Be5 (worse is 31...Re5 32.Re5 Qe5 33.hg4+/–) 32.hg4 Qg4 33.Rf3 Nf4 34.Nfe3 Qg6 (34...Qh5 35.Qc2+=) 35.Qc2 Qc2 36.Nc2 Kg7 37.Kf1 Rh8 38.Ne1 f5 39.Nc2 Kg6 40.Nde3 b6 41.Ne1 Rh7 42.N3c2 h3 43.Rg3 Kf6 44.gh3 Rh8 45.Rb3 Nh3 46.Nf3 Nf4 47.Kg1 Bc3 48.Ra3 Re8 49.Ne3 Bb4 50.Ra1 Ne2 (50...Rg8 51.Kh2–/+) 51.Kf1 Nd4 52.Nd4 cd4 53.Nc2 d3 54.Nb4 Rh8 55.Kg2 ab4 56.Rd1 (56.Rb1 Ke5 57.Rb4 Kd4–+) 56...Ke5 57.Rd3 Ra8 0–1. Fels,Bernhard (2160) – Hechl,Mag. Gerald (2175), EU/WS/M/015 ICCF, 2009.

7.Qc2 Bg4

8.Be2 Nbd7 9.0–0 Re8 (9...d5 10.c5=) 10.d4 Bf8 (10...ed4 11.Nd4 Be2 12.Qe2=) 11.de5 (11.h3 ed4 12.Nd4 Be2 13.Qe2 Qb6+=) 11...de5 12.a3 g6 (12...c5 13.h3 Bh5 14.bc5=) 13.Rad1 (13.Rfd1 Qe7+=) 13...Qc7 (13...a5 14.c5+=) 14.Ng5 (14.h3 Bf3 15.Bf3 Rad8+=) 14...Be2 15.Qe2 h6 (15...a5 16.b5+=) 16.Nge4+= Rad8 (16...a5 17.Qf3 ab4 18.ab4 Ne4 19.Ne4+=) 17.Rd2 (17.Qf3 Ne4 18.Ne4 Re6+=) 17...Bg7 (17...c5 18.Nb5 Qb6 19.Nf6 Nf6 20.Rd8 Qd8 21.Rd1=) 18.c5 (18.Nd6 Re6 19.Rfd1 Ne8 20.Ne8 Ree8+/–) 18...Ne4+= 19.Ne4 Nf6 20.Nd6 Re7 (20...Re6 21.Rfd1+=) 21.Rfd1+/– Ne8 (21...Re6!?+/–) 22.Nf5!+– Rd2 (22...gf5 23.Rd8 Discovered attack) 23.Ne7 Qe7 24.Qd2 1–0. pcmvr (2645) – fhupp (2230), net–chess.com, 2006.

8.Be2 Nbd7 9.d4 Rc8 (9...ed4 10.Nd4 Be2 11.Qe2= (worse is 11.Ke2 Ne5+=)) 10.Rd1 Qc7 11.h3 (11.a3 a5=) 11...Bh5 12.0–0 Rfd8 13.Rd2 Nf8 14.Rfd1 Ne6 15.de5 de5 16.Ne4 (16.c5 Bg6 17.Rd8 Rd8 18.Rd8 Qd8+=) 16...Bg6 (worse is 16...Bb4 17.Rd8 Rd8 18.Be5 Rd1 19.Qd1+/–) 17.Nf6 Bf6 18.e4 Rd2 19.Rd2 c5 20.bc5 (20.Rd5!?=) 20...Nc5–/+ 21.Bd3 h6 22.Ba3 (better is 22.Qb1!?–/+) 22...Nd3–+ 23.Qd3 Qc4 24.Qc4 Rc4 25.Rd7 (25.Bb2 Re4 26.a3 Bf5–+) 25...Ra4 26.Bb2 Be4 27.Be5 Bf3 28.Bf6 Bc6 29.Rd8 Kh7 30.Bc3 Ra2 31.g4 (31.Rd2 Rd2 32.Bd2 b6–+) 31...Ra3 32.Bd4 (32.Rd3–+) 32...Rh3 33.Ba7 (33.Kf1 Bf3 34.Ke1 Bg4 35.Kd2–+) 33...Rh1 0–1. Miljanovic,Zeljko (2100) – Popovic,Mirko (2010), Porec Gortan, 2003.

7.d4 e4

8.Nd2 d5

9.a3 Bf5=.

9.Qb3 dc4 10.Bc4 b5 11.Be2 =+.

9.Qb3 Be6 10.a4 dc4 (10...Nbd7 11.Be2+=) 11.Bc4= Bd5 (11...Bc4 12.Qc4 Nd5 13.b5+=) 12.b5+= Re8 (12...Qd7+=) 13.f4 (13.bc6!? bc6 14.0–0+=) 13...ef3+= 14.gf3 Bc4 15.Qc4 (15.Nc4 Nd5=) 15...Nd5+= 16.Nd5 cd5 17.Qc2 (17.Qd3 Bg5 18.Nf1 Nd7+=) 17...Bg5 18.e4 Nd7 19.Rg1 (19.h4 Rc8 20.Bc3 Bd2 21.Kd2 Qc7–+) 19...Nb6 (19...Rc8!? 20.Qb3 Bd2 21.Kd2 de4–+) 20.e5 (20.Nb3 Qf6 21.Qe2 Nc4–/+) 20...Bd2 (20...Be3 21.Rg4 f5 22.Qf5 Bd2 23.Kd2 Nc4 24.Kc3–+) 21.Qd2+= Qh4 (21...Nc4 22.Qh6 Qa5 23.Kf2+=) 22.Qf2 Qf2 (22...Qe7 23.f4+=) 23.Kf2= Rac8 (better is 23...Rec8 24.Rgc1 a6=) 24.Rac1 (24.Rgc1 a5=) 24...Nc4 (better is 24...Na4!? 25.Ba1 Nb6–/+) 25.Bc3= Re6 (25...a6 26.ba6 ba6 27.f4=) 26.Bd2 Kf8 (26...a6 27.Rc2=) 27.f4 (27.Bb4 Kg8+=) 27...g6 28.Ke2 (28.f5 gf5 29.Rg5 a6=) 28...Ke7 (28...a6 29.Rg3=) 29.Bb4 (29.Rg3 a6+=) 29...Kd7= 30.a5 (30.Rgf1 f5=) 30...a6+= 31.b6 (31.Rcf1 f5 32.b6 Nb2+=) 31...f6 (31...Rec6 32.Rcf1 Nb2 33.Bd2=) 32.Kf2 (32.Rc3 Kc6+=) 32...Rec6= 33.Rce1 fe5 (33...Nb2 34.Ke3=) 34.fe5 Nb2 35.Re3 Re6 (better is 35...Rc4!? 36.Rh3 h5+=) 36.Kg3+/– Rc4 (36...Nc4 37.Rf3 h6+/–) 37.Bc5 (better is 37.Ba3!? Na4 38.Rf1+/–) 37...Na4= Black gets the initiative 38.Bd6 (38.Ba3 Nc3 39.Rc1 Ne4 40.Re4 Rc1 41.Bc1 de4+=) 38...Rd4 (better is 38...Nc3!?+=) 39.Rf1+= Kc6 40.Rf7 (better is 40.Rf6!? Re8 41.Rb3+–) 40...Kb5= 41.Rf6 (better is 41.Rh7!? Rc4 42.Rb7 Ka5 43.Ra3 Rc3 44.Rc3 Nc3 45.Kf4+=) 41...Re8+= 42.Bc7? (better is 42.Rb3!? Ka5 43.Rf7+=) 42...Nc5–+ 43.Bd6? (better is 43.Rf7–+) 43...Ne4 44.Kf3 Ka5 (44...Nf6 45.ef6 Rd8 46.f7+=) 45.Rf7 (45.h3–+) 45...Ng5 (45...Ng5 46.Ke2 Nf7–+) 0–1. De Cat,Ben – Corvi,Marco (2295), NATO–ch, 2000.

9.Qb3 Be6 10.c5 Nbd7+= 11.a4 h6 (11...Rb8 12.a5=) 12.b5= Nh7 (12...a6 13.bc6 bc6 14.Qc2=) 13.Be2 f5 (13...Qc7 14.0–0=) 14.g3 (14.a5 Ng5+=) 14...Ndf6 (14...Nhf6 15.0–0=) 15.h4 (15.0–0 Ng5=) 15...Ng4 (15...Qc7 16.a5=) 16.Bg4 fg4 17.Nce4 Qd7 (17...de4 A pinning theme 18.Qe6) 18.Nc3 Nf6 19.Ne2 (19.0–0 Bc5 20.dc5 d4 21.bc6 bc6+=) 19...Nh5 (19...Bf5 20.0–0=) 20.b6 (20.Nf4 Nf4 21.gf4 Kh7=) 20...a6 (20...ab6 21.Qb6 Bf5 22.Qb3=) 21.Nf4 Nf4 22.ef4 (22.gf4 Rae8+=) 22...Bf5 23.0–0–0 Bf6 24.Rde1 Rfe8 (24...Rae8 25.f3+=) 25.f3 Re6 (better is 25...Re1 26.Re1 Re8=) 26.Re5 (better is 26.fg4!? Bg4 27.Nf3+=) 26...Be5+= 27.fe5 (27.de5 Rd8+=) 27...Qf7 (27...gf3 28.Qf3 Rf8 29.Rf1–/+) 28.f4 (28.Rf1 Qe7+=) 28...Qg6 (28...Rf8 29.Re1+=) 29.Qc3 (29.Re1+=) 29...Be4 (29...h5!?+=) 30.Re1 Bf3 (better is 30...Bd3!?=) 31.Nf3+/– gf3 32.Qf3 Rf8 33.g4 (33.Rf1+/–) 33...Qf7? (better is 33...h5!? 34.gh5 Qf5+=) 34.f5+– Ree8 35.Kc2 (35.Qg3 a5+–) 35...g6 (35...Kh7 36.Kb1+–) 36.f6 (36.Bc1 Qh7 37.Rf1 gf5 38.gf5 Rf7+–) 36...Qe6? (better is 36...Re6+–) 37.Bc1 Kh7 (37...Rf7 38.Bh6 Kh7+–) 38.Qf4 g5 (38...Qf7 39.Qh6 Kg8 40.h5 gh5 41.g5 Qh7 42.g6 Qh6 43.Bh6+–) 39.hg5 Rg8 (39...Rh8 40.Qh2 Kg8 41.Qh5+–) 40.f7 (better is 40.Rh1 Rg6 41.Qf5 Qf5 42.gf5 Rf8+–) 40...Ref8 41.fg8Q Rg8 (41...Kg8 42.Qe3 Qg6 43.Kb3 Qg5 44.Qg5 hg5 45.Bg5 Rf3 46.Kb4 Rd3+–) 42.Rh1 Qg6 43.Kb2 Qd3 44.Rh6 Kg7 If Black now would get Rf8 in, he might survive 45.Qf6 1–0. Guest2044371 – Guest2034534, Freundschaftspartie, 5m + 0s, 2007.

9.Qb3 Be6 10.c5 Nbd7+= 11.Be2 Qc7+=.

9.Qb3 Be6 10.Be2 Nbd7 =.

9.Qb3 Be6 10.Be2 Re8=.

7.Be2 Na6

8.a3 c5 9.bc5 Nc5 10.d4 ed4 11.Nd4 A) 11...Re8 12.0–0 Be6 13.Rb1 Rc8 (13...Qd7+= 14.Nd5 Rec8+=) 14.Ncb5 a6+=; B) 11...Be6 12.0–0 Rc8 13.Rb1 b6 14.f4 Bd7=.

8.a3 Nc7 A) 9.d4 A1) 9...a5 A11) 10.0–0 e4 (10...ab4 11.ab4 Ra1 12.Ba1 e4 13.Nd2 d5 14.b5 Bf5=) 11.Nd2 ab4 12.ab4 Ra1 13.Ba1 d5 14.b5 Bf5=; A12) 10.de5 de5 11.c5 (11.Qd8 Rd8 12.c5 e4 13.Nd2 Bf5= 14.g4 ab4=) 11...e4 12.Nd2 Bf5 13.g4 Bg6 14.h4 h5+/–; A2) 9...e4 10.Nd2 d5 11.0–0 Bf5 A21) 12.Qc2 Qd6 (12...Qd7 13.Rac1 Qe6 14.cd5 Ncd5=) 13.Rac1 (13.cd5 cd5 14.Rac1 Rac8=) 13...Rfc8 (13...Qe6= 14.cd5 Ncd5=) 14.c5 Qd7=; A22) 12.f3 ef3 13.Nf3 Qc8 14.Ne5 Qe6=; B) 9.0–0 B1) 9...e4 10.Nd4 c5 (10...d5 11.d3 a5 12.de4 de4 13.c5 Ncd5 14.Qd2 Qc7+=; 10...a5 11.d3 ab4 12.ab4 Ra1 13.Ba1 c5 14.Nc2 ed3+=) 11.Nb3 Be6 12.f3 ef3 13.Rf3 Re8 14.Qc2 b6+=; B2) 9...a5 B21) 10.d4 ab4 (10...e4 11.Nd2 ab4 12.ab4 Ra1 13.Qa1 d5 14.c5 Bg4=) 11.ab4 Ra1 12.Ba1 e4 13.Nd2 d5 14.b5 Bf5=; B22) 10.Qc2 Ne6 (10...ab4 11.ab4 Be6 12.Ra8 Na8 13.d4 e4 14.Ne4 Ne4+=; 10...Re8 11.d4 ed4 12.Nd4 Bg4 13.b5 Ne6 14.Rfd1 Be2+=; 10...Qd7 11.Rfd1 Qf5 12.e4 Qg6 13.d4 ab4 14.ab4 Ra1=) 11.Rfd1 ab4 12.ab4 Ra1 13.Ra1 Qc7 14.Ra8 d5=.

8.a3 e4 9.Nd4 (9.Ng1 Nc7 (9...Bf5 10.g4 Be6 11.g5 Ne8 12.Ne4 Bg5 13.Ng5 Qg5=; 9...Re8 10.d3 Bf5 11.de4 Ne4 12.Ne4 Be4 13.Nf3 Bf6=; 9...Qc7 10.d3 Bf5 11.de4 Ne4 12.Ne4 Be4 13.Nf3 Rfe8+=) 10.d3 d5 11.cd5 cd5 12.Rc1 Bd6 13.de4 de4=) 9...c5 10.Nc2 Bf5 (10...d5 11.Nd5 Nd5 12.cd5 Qd5 13.Ba6 ba6+=) 11.0–0 (11.d4 Qb6 12.g4 Bg6 13.Na4 Qd8+=) 11...Rc8 (11...d5 12.Nd5 Nd5 13.cd5 Qd5 14.Ba6 ba6 15.bc5 Bc5 16.Qh5=) 12.d3+= (12.b5 Nc7 13.f3 ef3+=) 12...Re8 (12...cb4 13.ab4 ed3+=) 13.de4 Ne4 14.Nd5 Bf8 (14...Nc7!?+=) 15.f3 Ng5 16.e4 Bd7 17.Re1 Ba4 18.Qd2 Nc7 19.Nce3 Nd5 20.Nd5 Ne6 21.b5 a6 22.Nc3 (22.b6 Be7+/–) 22...Qa5 23.Qd5 Nd4 24.Qb7 (24.Na4 Ne2 25.Re2 Qa4 26.ba6 ba6+=) 24...ab5+= 25.cb5 Nc2 (25...Rb8 26.Qd5 Re5 27.Qa2=) 26.Bc4 Rc7 27.Qd5 Ne1 28.Re1 Re5 29.Qd3 Re8 30.Kf2 h6 (30...Rb7 31.Rb1+/–) 31.Bc1 (31.b6!? Rb7 32.Na4 Qa4 33.Bb5+/–) 31...Rb8 (31...Rb7 32.Bd2+/–) 32.Bd2+/– Qa7 33.Rb1 Rcb7 34.Be3 Be7? (better is 34...Qa5+/–) 35.Rb4+– (35.Na4?! Qa4 36.Qb3 Qb3 37.Rb3 Bf6+/–) 35...Bc2 (35...cb4 36.Ba7) 36.Qc2 Qa3 (36...Bg5 37.Ra4 Be3 38.Ke3 Qb6+–) 37.Ra4 Qb4 (37...Ra8 38.Ra3 Ra3 39.Qb2+–) 38.Rb4 cb4 39.Nd5 Bd8 40.Nb4 Bf6 41.Qd3 Rc8 42.b6 Bd8 43.Nd5 Rcb8 44.Qa3 Rd7 (44...Bh4 45.g3 Bg5 46.f4+–) 45.Qa4 Rdb7 46.Qc6 Be7 47.Ba6 (47.Ba6 Bh4 48.g3+–) 1–0. Blaszczak – Litwiniec, Miedzyrzec Podlaski Poland, 1996.

8.a3 Bf5 9.0–0 A) 9...Qd7 10.d3 Bg4 A1) 11.e4 c5 (11...Rfd8 12.d4 c5 13.de5 de5 14.b5 Qe6+=) 12.b5 Nc7 13.Nd2 Be2= 14.Ne2 Ne6+=; A2) 11.h3 Be6 12.Ng5 Bf5 13.f4 ef4 14.e4 Bg6+=; B) 9...Nc7 10.d3 (10.d4 e4 11.Nd2 d5 12.Qc2 Qd6 13.Rac1 Qe6 14.cd5 Ncd5=) B1) 10...a5 11.e4 Bg6 12.Nh4 Ne6 13.Ng6 fg6 14.b5 Qd7=; B2) 10...b5 11.e4 Bg4 12.Ng5 Be2 13.Qe2 Qb8 (13...a5= 14.cb5 cb5+=) 14.Nf3 a5=; B3) 10...Bg4 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3 ef3=.

8.b5 Nc7 9.0–0 Ne6 10.d4 ed4 11.Nd4 c5 12.Nf5 Ng5 13.Ng3 h6 14.f4 Ngh7 15.Qd3 b6 16.Bf3 Rb8 17.Rad1 Bb7 18.Nf5 Bf3 19.Rf3 Rb7 (19...h5 20.Rg3 (20.Nd6?! Bd6 21.Qd6 Qd6 22.Rd6 Rfd8 23.Rd8 Rd8+/–; 20.Ne7?! Qe7 21.Rg3 h4+–) 20...Ne8 21.Nd5+–) 20.Rg3 (20.Rg3 Ne8 21.Qd5+–; 20.Nd6 Bd6 21.e4 Be7–/+) 1–0. pierred (2815) – jparkinson (2465), net–chess.com, 2011.

7.Be2 Bg4

8.a3 a5 =.

8.h3 Bf3 9.Bf3 d5 10.cd5 cd5 (10...Bb4 11.dc6 Nc6 12.0–0=) 11.Qb3 (11.a3!?=) 11...e4+= 12.Be2 (12.Bg4 d4 (12...Ng4?! 13.hg4 Bf6 14.d4+=) 13.Ne2 de3 14.de3 Ng4 15.hg4 Qd7+=) 12...d4–/+ 13.Na4 (13.ed4 Nc6 14.Rc1 Nd4–/+) 13...d3 14.Bd1 Nc6 15.a3 Rc8 (15...b5 16.Nc5 Bc5 17.bc5+=) 16.0–0 b5 (16...Bd6 17.f3+=) 17.Nc3 a6 (17...a5 18.f3 ab4 19.ab4 Bb4 20.fe4 Bc3 21.Qc3=) 18.f3= a5 (18...Ne5!?=) 19.fe4+= ab4 20.ab4 (worse is 20.Nb5 Ne4 21.ab4 Bb4–/+) 20...Nb4 21.e5 (worse is 21.Nb5 Ne4 22.Bc3 Rc3 23.dc3 Nd2+=) 21...Nd7 (better is 21...Nfd5+=) 22.Ne4 (22.e6 Ne5+/–) 22...Rc6 (22...Rc4!? 23.Bf3 Qc7=) 23.Bh5 f7 draws heavy fire (23.Bc3 Rc4 24.Nd6 Bd6 25.ed6 Nd5 26.Qb5 Ne3 27.Bg7 Nf1 28.Bf8 Rc5 29.Qd3 Nf8+–) 23...Rc4 24.Rf4 (24.Bd4 Ne5 25.Be5 A) 25...Re4?? 26.Rf7 (26.Bf7?! Kh8 27.Qb2 Re5 28.Qe5 Bf6 29.Qb5 Ba1 30.Ra1 Qd6+/–) 26...Qd5 27.Rg7 Kh8 28.Qd5 Nd5 29.Re7 Re5 30.Re5+–; B) 25...Qd5+=) 24...Qb6 (better is 24...Qb8+=) 25.Raf1+/– g6 26.Bg4 g5 (26...Qc6+/–) 27.Bd7 (27.Rf5 h6 28.Bh5 Re4 29.Bf7 (29.Rf7 Rc4 30.e6 Rf7 31.Bf7 Kh7 32.ed7 Qc7 33.Bc4 Qc4 34.Rf7 Kg8 35.Re7 Nc6 36.Qa3 Qc1 37.Bc1 Kf8 38.Re8 Kf7 39.Qf8 Kg6 40.Re6 Kh5 41.Qh6) 29...Kh7 30.Be8 Rf5 31.Rf5+–) 27...gf4+= 28.Rf4 Rd8 (better is 28...Qb7 29.Bf5 Qc6+=) 29.e6+– Threatening mate: Rg4 29...f5 (29...Qe6 30.Be6) 30.Rf5 (30.Nf6 Bf6 31.Bf6 Rd7 32.Rc4 bc4 33.Qc4+–) 30...Qc7?? (30...Rd7 31.ed7 Qe6 32.Nf6 Bf6 33.Rb5 Rc1 34.Kh2 Qb3 35.Bf6 Rh1 36.Kg3 Nc6 37.Rb3 Kf7+–) 31.Qd1 h5 (31...Rc1 32.Qc1 Qc1 33.Bc1 Rf8 34.Rf8 Kf8 35.Bb5 Kg7+–) 32.Rh5 1–0. Dittmar,Peter – Wolf,Walter, Stuttgart, 1984.

8.h3 Bh5 9.0–0 Nbd7 10.d4 e4 11.Nd2 Be2 12.Qe2 d5 13.a3 Bd6 white timed out 0–1. chessxliv (2100) – agostinhoarruda (2550), net–chess.com, 2014.

6.Nc3 Nc6

7.a3 a5 8.b5 Nb8 9.d4 =.

7.a3 a6 8.Be2 Be6 (8...Bg4 9.0–0=) 9.0–0 Nd7 (9...Re8 10.d4 ed4 11.Nd4 Nd4 12.Qd4=) 10.d4+= ed4 11.ed4 Ncb8 12.Re1 Bg4 (12...Re8 13.d5 Bg4 14.Nd4 Be2 15.Qe2+/–) 13.Nd5 Bf3? (better is 13...Re8+/–) 14.Ne7+– (14.gf3?! Bh4=; 14.Bf3?! Bg5+/–) 14...Qe7 15.Bf3 (15.gf3?! Qg5 16.Kh1 Re8=) 15...Qg5 16.Bc1 (16.Bb7 Ra7 17.Qf3 a5+–) 16...Qd8 (16...Qh4 17.Bb7 Ra7 18.Qf3+–) 17.Bb7 Ra7 18.Bf3 a5 (18...c6 19.Qd3+–) 19.b5 Re8 20.Bg5! f6 (20...Qg5 21.Re8 Double attack (21.Re8 Deflection)) 21.Bd2 Qc8 (21...Nb6 22.Be4 g6 23.c5 dc5 24.dc5+–) 22.Bd5 Kh8 23.Qh5 Nf8 (23...g6 24.Qh4 Qd8+–) 24.Re8 Qe8 25.Qe8 h5 (25...Nbd7 26.Qf7 Ne6 27.Re1 Ra6 28.Re6 Ra8 29.Re8 Re8 30.Qe8 Nf8 31.Qf8) 26.Qh5 Nh7 27.Qf7 Ng5 28.Qg8 1–0. wiking – daga2008, internet, 2010.

7.a3 b6 8.Be2 Re8 9.0–0 Bf8 (9...e4 10.Ng5 Bf5 11.f3+/–) 10.Qc2 (10.b5 Ne7+/–) 10...Ne7 (10...e4 11.Ng5 Qe7 12.f3+=) 11.d4+= ed4 12.Nd4 c5 13.Nf3 Ng6 14.Rad1 a6 15.Rd2 Qc7 16.Rfd1 Bb7 17.h3 (17.Qd3 Ne5 18.Ne5 de5+=) 17...Rad8 18.b5 h6 (18...Be7 19.ba6 Ba6 20.Nd5 Nd5 21.Rd5+=) 19.a4 (19.ba6 Ba6 20.Nb5 Bb5 21.Bf6 gf6 22.cb5 Bg7+–) 19...a5 20.Qf5 Qd7 21.Qc2 (21.Bd3 Be7+/–) 21...Qc7 22.Nh2 Ne5 23.Qf5 Qd7 24.Qf4 Ng6 25.Qg3 Increases the pressure on the backward pawn 25...Qe6 26.Ng4 Ng4 27.Qg4 Qg4 28.Bg4 Ne5 29.Be2 Re6 30.Nd5 Bd5 31.Rd5 f6 32.f4 Nf7 33.Kf2 Rde8 34.R1d3 g6 35.g4 Bg7 36.Bf3 g5 37.Bc1 (37.f5 R6e7+–) 37...gf4+/– 38.ef4 Re1 39.Rd1 (39.Be3 Ra1 40.Bd1 Re4+/–) 39...R1e7 40.Rf5 Rd8 (40...Kf8 41.Bb2+/–) 41.h4 (41.Bb2 Rde8+–) 41...Nh8 (better is 41...Rde8!?+/–) 42.Bb2+– Ng6 43.Bf6 Bf6 44.Rf6 Nh4 45.Rh6 Nf3 46.Kf3 Red7 47.Rd5 (47.Rd5 Re8 48.Rhd6 Rd6 49.Rd6+–) 1–0. Margraf – Strehle, 1988.

7.b5 Na5 8.d4 ed4 9.Qd4 a6 10.Nd5 ab5+=.

7.b5 Nb8 8.d4 Nbd7 9.Bd3 ed4 10.Nd4 Ne5=.

6.Nc3 Nbd7

7.d4 a5 8.b5 ed4 9.ed4 (9.Nd4 Ne5=) 9...Nb6 (9...d5 10.c5 Re8 11.Be2=) 10.Bd3= Re8 (10...d5 11.c5 Nc4 12.Bc1=) 11.0–0 c6 (11...d5 12.c5 Nc4 13.Bc1=) 12.Re1 Be6 13.Nd2 Qc7 (13...d5 14.bc6 dc4 15.cb7=) 14.Qc2 Rad8 (14...Rac8 15.Rab1+=) 15.bc6 (15.Re2 d5 16.c5 Nc4+=) 15...bc6 (15...Qc6? 16.d5 Bd5 17.cd5 (17.Nd5?! Nbd5 18.cd5 Qc2 19.Bc2 Nd5+–) 17...Nbd5 18.Bb5+–) 16.Nce4 White intends c5 16...h6 (16...Ne4 17.Be4 h6 18.Bh7 Kh8 19.Bd3=) 17.Nf6+= Bf6 18.Rab1 d5 19.c5 Nc4 (19...Nd7 20.Bc3=) 20.Bc4+= dc4 21.Nc4 Bc4 22.Qc4 (22.Re8 Re8 23.Qc4 Qf4+=) 22...Qd7 (22...Qf4 23.Re8 Re8 24.Qd3+/–) 23.Re8 (23.Qa4 Rb8 24.Qa5 Re1 25.Qe1 Qf5–/+) 23...Qe8 24.Rd1 (24.Bc3 Qe4 25.Rb7 Rd5=) 24...Qe4+= 25.Bc3 Rb8 (25...Qc2 26.Qb3 Qb3 27.ab3+/–) 26.h3 (26.Ba5 Rb1 27.Rb1 Qb1 28.Qf1 Qc2+=) 26...Rb5 (26...Qc2 27.Qd3 Qa2 28.Ra1=) 27.Qd3+/– Qd5 (27...Qd3 28.Rd3 Rb1 29.Kh2+/–) 28.Re1 The mate threat is Re8 28...g6 29.Re8 (29.Qd2 Kg7+=) 29...Kg7 (29...Kh7 30.Qd2+=) 30.Qe3 (30.Qe4 Qa2 31.Qc6 Rb1 32.Kh2 Qf2=) 30...Rb1 (30...Qa2 31.d5 Rb1 32.Kh2 Rh1 33.Kh1 Qd5 34.Ba5+–) 31.Kh2+/– Rb7 (31...Rd1 32.Ra8 Bd4 33.Ra5+/–) 32.Ba5 Qd4 33.Qd4 (33.Bd2 g5 34.Re4 Qb2+/–) 33...Bd4 34.Bb6 Bf2 35.a4 (35.Rc8 f5+/–) 35...f5 (35...Rd7!?+=) 36.Re2+/– Bh4 37.g3 (37.Re6 f4 38.Rc6 Bg3 39.Kg1 Re7+–) 37...Be7 (better is 37...Re7!? 38.Re7 Be7+/–) 38.Re6+– Kf7 39.Rc6 (39.Rc6 Rd7 40.Kg2+/–) 1–0. Boehnke,Hartmut (1955) – Wowries,Gerhard, corr EM/H/049 ICCF Email, 2001.

7.d4 ed4 8.Nd4 Ne5 9.h3 c5 10.bc5 dc5 11.Nf3 Nf3 12.Qf3 Qb6 13.Rb1 Bd7 14.Bd3 Bc6 15.Qf5 Bd7 (15...Bg2? 16.Rg1 Qa5 17.Rg2+–) 16.Qf3 Bc6 17.Qg3 (17.e4 Bd6+=) 17...g6 (17...Rfd8!? 18.e4 Bd6=) 18.0–0 Rad8 19.Nd5 Nd5 20.Bg7?? (better is 20.cd5 Bd5 21.Bg7=) 20...Nb4–+ 21.Bf8 Bf8 22.Bg6 (22.Bf5 Qa5 23.a3 Qa3 24.Ra1–+) 22...hg6 23.a3 a5 (23...Be4!? 24.ab4 Bb1 25.Rb1 cb4 26.Qg5–+) 24.ab4 cb4 25.Rfd1 Kg7 26.Rd8 Qd8 27.Qg4 Bc5 28.Rd1 Qf6 29.Qg3 a4 30.f4 (30.Qg4–+) 30...a3 31.Kh2 Qc3 32.Rd8 (32.f5 Qe3 33.fg6 Qg3 34.Kg3 fg6–+) 32...Qe3 (32...Qe3 33.Qe3 Be3–+) 0–1. Rush,Bradley – Shim Ng Min,Francis, RF–2011–0–00094, 2011.

7.d4 e4 8.Nd2 d5 9.b5=.

7.Be2 a5 8.b5 c6 9.0–0 Re8 10.d4 Qc7=.

7.Be2 d5 8.cd5 Bb4 9.a3 Ba5 10.Qc2 Re8=.

6.Nc3 e4

7.Nd4 c6 8.b5 d5 9.a4 (9.cd5 cd5 10.d3 a6=) 9...Bc5 (9...c5!? 10.Nb3 d4–/+) 10.Nb3+= Bb4 11.cd5 cd5 12.Nd4 (12.Be2 a6=) 12...b6 (12...Bc5 13.Be2+=) 13.Be2= Re8 14.Qb3 (14.d3 a6=) 14...Bc5 15.Nc6 (15.Nd1!?=) 15...Nc6–/+ 16.bc6 Qd6 (16...d4 17.c7 Qc7 18.Nb5+=) 17.0–0 Ng4 (worse is 17...Qc6 18.Bb5 Qe6 19.Be8 Ne8 20.Qd5 (20.Nd5? Bb7–+) 20...Qd5 21.Nd5+=) 18.Bg4 Bg4 19.Qd5 Be6?? (better is 19...Qg6 20.d4 Bh3–/+) 20.Qd6+– Bd6 21.Nb5 Bc4?? (better is 21...Red8+/–) 22.Nd6+– Bf1 23.Ne8 Re8 24.Kf1 Rc8 25.Rc1 f6 26.Ke2 Kf7 27.f3 ef3 (27...f5 28.g4 g6 29.fe4 fe4 30.d3+–) 28.gf3 h5 29.d4 Ke6 (29...Ke7 30.d5+–) 30.e4 Kd6 1–0. jaddwarrior (2035) – jgragoose (1800), ChessWorld.net, 2017.

7.Nd4 Nc6 8.b5 (8.Nc6!? bc6 9.Be2=) 8...Nd4–/+ 9.ed4 Re8 (9...d5 10.c5–/+) 10.d3 (10.d5 Bf5+=) 10...Bg4 (10...d5 11.Be2–/+) 11.Qc2 (11.Be2 Be2 12.Qe2 ed3 13.Qd3 Bf8 14.Ne2 d5+=) 11...d5–/+ 12.de4 de4 (12...Ne4 13.Bd3 (13.Nd5? Qd5 14.Bd3 Qe6–+) 13...Nc3 14.Bc3 Bb4 15.Kf1 Bc3 16.Qc3 dc4 17.Qc4–/+) 13.d5 (13.Be2 Be2 (13...Qd4? 14.Nd5 Bb4 15.Nb4+–) 14.Ne2 c6 15.bc6 bc6+=) 13...Bc5 14.Be2 Bf5 (14...Be2 15.Qe2 e3 16.f3+=) 15.0–0 Qd7 (15...Bg6 16.Qb3+=) 16.Qd1 (16.Na4 Be7=) 16...Ng4 (16...e3 17.fe3 a6 18.Kh1=) 17.Na4= Bd6 (17...Bf8 18.Qd4=) 18.Bg4 Bg4 19.Qd2 (better is 19.Qd4!? Be5 20.Qe3 Bb2 21.Nb2=) 19...Qf5 20.Qd4 The mate threat is Qxg7 20...Be5 (20...Qg5 21.c5 Be5 22.Qe3–/+) 21.Qe3 (21.Qc5 Bf4 22.Qd4 Qg5–/+) 21...Bf4–/+ 22.Qd4 Do you see the mate threat? 22...f6 23.Rfe1 (23.Nc3 Bf3! 24.Ne2 Be2 25.h3 Bf1 26.Rf1–+) 23...Qg6 (23...Bf3 24.h3 Qg5 25.g4 Qh4 26.Re4 Qh3 27.Re8 Re8 28.Qf4 Qg2) 24.Rab1?? (better is 24.g3–/+) 24...Bf3 25.g3 Qf5 0–1. Slagle,Jim – Vehre,John, Buckeye, 1975.

7.Ng5= Bg4 8.Qc2 Bf5 (8...d5!? 9.f3 Bh5 10.fe4 dc4 11.Bc4 Nfd7+=) 9.Nge4+= Ne4 10.Ne4 d5 (10...a5 11.b5+=) 11.cd5+/– Qd5?? (better is 11...Bb4 12.Bg7 Re8+=) 12.Qc3+– f6 13.Bc4 (13.Bc4 Be6 14.Bd5 Bd5 15.Qc7 Bb4 16.Nf6 gf6 17.a3 Bd2 18.Kd2+–) 1–0. Wall,Bill – Torpe, internet, 2005.

7.Nd4 c5

8.Nc2 cb4 9.Nb4= Nc6 (9...Bf5 10.Nbd5= (10.d3 Nc6 11.Nbd5 ed3 12.Bd3 Bd3 13.Qd3 Ne5 14.Qd4 Rc8 15.0–0 Nc4=) 10...Nbd7 11.d3 ed3 12.Bd3 Bd3 13.Qd3 Ne5 14.Qd4 Rc8 15.0–0 Nc4=) 10.Nbd5 Re8 (10...Bf5 11.Rb1 Ne5 12.Be2 b6 13.0–0 Nd5 14.Nd5 Re8 15.Bd4 Rc8=) 11.d4 (11.d3 Bf5= 12.de4 Ne4 13.Ne4 Be4 14.Bd3 Bd3 15.Qd3 Ne5=) 11...Bd7 (11...Qa5 12.Qb3 Qd8 13.Be2 Na5 14.Qa4 Nd5 15.Nd5 Bd7+=) 12.Be2 Bf5 (12...Rc8 13.0–0= Na5 14.Rc1 Nc4 15.Bc4 Rc4+=) 13.0–0 Nd5 14.cd5 (14.Nd5 Rc8 15.Qb3 Qd7=) 14...Nb4 (14...Nb8 15.Bg4 Bg6 16.Bh5 Bh5 17.Qh5+=) 15.Qb3 (15.a3 Na6+=) 15...Nd3 (15...Qa5 16.a3 Nd3 17.Bd3 (17.Qb7?? Rab8 18.Qc6 Rec8–+) 17...ed3 18.e4+= (18.Qb7? Rab8 19.Qc6 Rec8–+)) 16.Bd3 (16.Ne4!? Nb2 17.Ng3+/–) 16...ed3+= 17.e4 (worse is 17.Qb7 Rb8 18.Qa7 Rb2–+) 17...Bg6 18.f3 (worse is 18.Qb7 Rb8 19.Qa6 Rb2 20.Qd3 Bg5–+) 18...b6 (18...Bg5 19.Nd1+= (worse is 19.Qb7 Rb8 20.Qa7 Rb2–/+)) 19.Nb5 (19.Qd1!?+/–) 19...a6= 20.Na3 b5 (20...f5 21.e5 f4 22.Rac1=) 21.Qd3 Qb6 22.Rac1 Rac8 23.Rc2 Rc2 24.Qc2 (24.Nc2 f5+/–) 24...Bf6 (24...f5!? 25.ef5 Bf7+=) 25.Rd1+/– h6 26.Nb1 b4 27.Qc4 Qb7 28.Rc1 Rb8 29.Qc6 Qa7 30.Rc4 b3 31.a4 (31.Qd6 ba2 32.Nc3 Bd4 33.Kf1 Rb2 34.Na2 Bg1 35.Rc8 Kh7–+) 31...Bg5 (better is 31...Be7!?+/–) 32.Qd6+– Be3 (32...Rd8 33.Qc5 Qa8 34.Qc6+–) 33.Kf1 a5 34.Ke2 Bg5 35.Nc3 (35.Rc7 Qa8+–) 35...Rd8 36.Qc7 Qa8 37.Rc5 Qa6 38.Nb5 Rf8 (38...Qf6 39.Rc6 (39.Qa5?! Qf4 40.Qe1 Bh5+–) 39...Qf4 40.Qf4 Bf4 41.g3+–) 39.Qc6 (39.Qc6 Qa8 40.Qa8 Ra8 41.Kd3+–) 1–0. Alias Ginel,Oscar (2230) – Felipe Pais,Jesus Manuel, III Open, Bajada de la Virgen ESP, 2005.

8.Nc2 Nc6 9.d3=+ Bg4 10.Qd2 ed3 11.Bd3 cb4 12.Nd5 a5 13.0–0 Ne5 14.Rfc1 Rc8 15.Nd4 Re8 =+.

8.bc5 dc5 9.Nde2 (9.Nb3 A) 9...a5 10.Na4 (10.a4 Nc6 11.Qb1 Bf5 12.f3 Re8 13.Be2 Bg6 14.fe4 Ne4 15.Qc1 Bd6 16.g3–/+) 10...Qc7 11.Rb1 Nbd7 12.d3 ed3 13.Nd2 Ra6 14.Bd3 Ne5 15.Be5 Qe5 16.Nb6=; B) 9...Nc6 10.Qb1 (10.d4 ed3 11.Bd3 Nb4 12.Be2 Bf5 13.0–0 Qb6 14.Nd5 Nfd5 15.cd5 Rfd8 16.Bf3–/+) 10...Bf5 11.Be2 Qd7 12.g4 Bg4 13.Rg1 Bf5 14.Nd5 Qd6 15.Rg5 Bg6 16.Ne7+=) 9...b6 (9...Qb6 10.Qc2 (10.Rb1+= Na6 11.Nf4 Bg4 12.Nfd5 Nd5 13.Nd5 Bd1 14.Ne7 Kh8 15.Bg7 Kg7 16.Rb6–+) 10...Na6 11.a3 Bf5 12.Ng3 Bg6 13.Nd5 Nd5 14.cd5 Nc7 15.Bc4 Rfd8 16.h4=; 9...Re8 10.Ng3 (10.Nf4 Bd6 11.Nfd5 Nd5 12.Nd5 Nc6 13.d3 Bf5 14.Qb3 b6 15.Rd1 Be5 16.d4=) 10...Bd6 11.d3 ed3 12.Qd3 Nc6 13.0–0–0 Bc7 14.Qd8 Rd8 15.Nd5 Nd5 16.Rd5=; 9...Bd6 10.Nb5 (10.d3 Qa5 11.de4 Ne4 12.Qd5 Re8 13.f3 Nc3 14.Bc3 Qa6 15.Qg5 Bf8 16.Qf4–/+) 10...Nc6 11.Nd6 Qd6 12.Ng3 Ne5 13.Qb1 Nd3 14.Bd3 ed3 15.a4 Rd8 16.0–0=) 10.Qb1 (10.Ng3 Bb7 11.Qc2 Nc6 12.Nce4 Ne4 13.Qe4 Re8 14.Qb1 Bd6 15.Bd3 g6 16.Be4+=) 10...Bb7 11.Ng3 Bd6 (11...Nbd7!?= 12.Nge4 Ne4 13.Ne4 f5 14.Nc3 Bd6 15.Nd5 Be5 16.Bd3=) 12.Nce4+= Ne4 13.Ne4 Be4 (13...Bc7 14.Ng3+= Nc6 15.Bd3 Ne5 16.Bh7+=; 13...f5 14.Nd6 Qd6 15.Qc2 Nc6 16.Bc3+=) 14.Qe4+/– Nd7 15.Qd5 (15.Bd3 g6+/– 16.Be2+/–) 15...Nf6 (15...Qe7!?+= 16.Rb1+=) 16.Qf5+/– Re8 (16...Nd7 17.Be2+/–) 17.Bd3 Bb8 (17...h6 18.Bf6 Qf6 19.Qf6 gf6 20.Bf5+–) 18.Bf6 Qd3?? (better is 18...Qf6 19.Qh7 Kf8+–) 19.Qd3 (19.Qd3 gf6 20.Rb1+–) 1–0. pierre – johann, internet, 2010.

7.Ng5 d5

8.cd5 Bb4 9.Bc4 Bc3 10.Bc3 = (< 10.dc3 h6–/+).

8.cd5 Nd5 9.Nge4 Nb4 10.d4 c5 11.d5 (11.dc5 Nd7+=) 11...f5= 12.a3 fe4 13.ab4 cb4 14.Ne4 Bf5 15.Qd4 Bf6 (better is 15...Rf7!?+=) 16.Nf6+– Rf6 (16...Qf6 17.Qb4 Qf7 18.f3+–) 17.e4 Qe7 (17...Qe8 18.f3+– (18.Qb4?! Rb6 19.Qd4 Qe4 20.Qe4 Be4=)) 18.f3 (18.Ra7?! Ra7 19.Qa7 Qe4 20.Qe3 Qb1 21.Bc1 Nd7+=) 18...a5 19.Kf2 (19.Qe5 Qe5 20.Be5 Bd7+–) 19...Bg6 (19...Bc8 20.e5 Rh6 21.Bc4+–) 20.e5+– Rf8 21.Rc1 (21.d6 Qg5 22.e6 Bf5+–) 21...Qg5 (better is 21...a4!?+/–) 22.e6+– Qf6 23.Rc7 Qd4 (23...Bf5+–) 24.Bd4 Rf4 (24...Bf7+–) 25.Rg7 Kf8 26.e7 Ke8 27.Bb5 (27.Bb5 Nd7 28.Re1+–) 1–0. pcmvr (2765) – sbeaulieu (2560), net–chess.com, 2014.

8.cd5 Nd5 9.Nge4 Nb4 10.d4 Nd5 11.Bd3 Nc3 (11...Be6 12.0–0=) 12.Bc3 Be6 13.0–0 f5 14.Ng3 g6 15.e4 (15.Rb1 Bd5+=) 15...fe4= 16.Be4 c6 (16...Bd5!?=) 17.Qb1+= Bc8 (17...Qd7+=) 18.Bg6 (18.Qb3!? Kg7 19.d5 Bf6 20.Rad1 cd5 21.Rd5+/–) 18...hg6= 19.Qg6 Kh8 20.Nh5 Bf6 21.Rae1 ( 21.Nf6 Rf6 22.d5+–) 21...Na6?? ( 21...Nd7=) 22.Nf6+– Qf6 23.d5! (23…Nc7 24.Re7 Rf7 25.Bf6 Rf6 26.Qg7#) 1–0. Amadio,Giancarlo – Wood,Brian, B018 SEMI, 2001.

7.Ng5 Bf5

8.Qc2 d5 9.cd5 Bb4 10.Nge4?? (10.f3 Bc3 11.Qc3 (worse is 11.Bc3 h6–/+) 11...ef3 12.gf3+=) 10...Bc3–+ 11.Nf6 Bf6 12.Qf5 Bb2 13.Rb1 Ba3 (13...g6 14.Qf3 Bg7 15.Rb7–/+) 14.Rb7 Nd7 15.Bd3? (better is 15.Rb3 Bd6 16.d4–/+) 15...g6–+ 16.Qf4 (16.Qf3 Nc5 17.Rb3 Nb3 18.ab3 c5–+) 16...Nc5 17.Rb3 Nb3 (17...Nb3 18.ab3 c6–+) 0–1. Fredek (2065) – Guest1309819, Freundschaftspartie, 5m + 0s, 2006.

8.Qc2 d5 9.cd5 Bb4 10.f3 Bc3 11.Qc3 ef3 12.gf3 Nbd7 (worse is 12...Qd5 13.e4 (13.Qc7?! Rc8 14.Qf4 Rc2+=) 13...Qd7 14.ef5 Qf5 15.Rg1+–) 13.Ne4 Be4 14.fe4 Re8 15.Bg2 Rc8 16.0–0 Qe7 17.Rf5 (17.d3 c6 18.Rac1 Ne5+=) 17...c6 18.Qd4 cd5 19.ed5 (19.e5 Qe6 20.Raf1 Rc4 21.Qa7 Ne4 22.Rf7 Ndc5+/–) 19...Qc5 20.Rff1 b6 21.Rac1 Qb5 22.Rc6 h5 (22...Qe2 23.a3=) 23.Rff6 Nf6?? (23...Nf6 24.Rf6 Decoy; 23...gf6 24.Rf6 Decoy) 24.Rf6+– Rc4 25.Rb6! Rd4 (25...ab6 26.Qg7 Mate attack; 25...Qb6 26.Qg7 Mate attack) 26.Rb5 Rd2 27.Bd4 Ra2 28.d6 Rd8 29.d7 Rc2 (29...Rg2 30.Kg2 Rd7 31.Rh5+–) 30.Bh3 Rc7 (30...Rc1 31.Kf2 Rc2 32.Kf1+–) 31.Rg5 (31.Rh5 Rcd7 32.Bd7 Rd7+–) 31...g6 32.Re5 Kf8 33.Rc5 Rdd7 34.Bd7 Rd7 35.Bf6 (35.Bf6 Rd1 36.Kf2+–) 1–0. Woelfelschneider,Peter (2325) – Camacho,Carlos Eduardo (2160), CiF, 2010.

8.Qc2 d5 9.cd5 Bb4 10.f3 Bc3 11.Bc3 h6 –/+.

8.Qc2 d5 9.cd5 Nd5 10.Nge4 Nb4 11.Nf6 Bf6 12.Qf5 N8c6 13.Be2 Ne7 14.Qb1 c5 15.a3 Nbd5 16.0–0 Qd7 17.Rd1 Rad8 18.Bf3 b6 19.Nd5 Nd5 20.d4 cd4 21.Bd4 Qe7 22.Qb2 Bd4 23.Rd4 Nf6 24.Qb4 Qe6 25.Rad1 Rd4 26.Qd4 Qe7 27.Qc3 g6 28.Rd4 Rd8 29.g3 Rd4 30.ed4 Ne8 31.Kg2 Nd6 32.Qb4 Qc7 33.a4 Nf5 34.d5 Nd6 35.h3 Qc5 36.Qf4 a6 37.h4 h5 38.Qg5 Kf8 ½–½. Skerlik,Stanislav (2350) – Trubetskoi,Roland (2340), WS/MN/021 ICCF, 2007.

6.Nc3 Re8

7.a3 a5 8.b5 c6 9.d4 e4 10.Nd2 d5=.

7.a3 Bf5 8.d4 e4 9.Qc2 c5 10.d5 Qb6=.

7.Qc2 Nbd7 8.Be2 c6 9.0–0 Bf8 10.d4 g6 (10...e4 11.Nd2 d5 12.a3+=) 11.Rfd1 Qe7 12.c5 e4 13.Nd2 d5 14.b5 h5 15.h3 Nh7 16.Qa4 Qe6 17.Rab1 Ndf6 18.bc6 bc6 19.Ba3 Ng5 20.Rb4 Nh3? (better is 20...Bg7+/–) 21.gh3+– Qh3 22.Qc6 Ng4 23.Nf1 (23.Bg4 Bg4 24.Nd5 Bd1 25.Nf6 Kh8 26.Ne8 (26.Nde4?? Bf3 27.Qe8 Qg2) 26...Qg4 27.Kh2 Qh4 28.Kg2 Qg4 29.Kf1 Qe2 30.Kg2 Qg4 31.Kf1 Qe2 32.Kg2 Qg4=) 23...Be6 (23...Qh4 24.Bg4 Qg4 25.Ng3 h4 26.Qa8 hg3=) 24.Qc7+– (24.Nd5 Qh4 25.Rd2 Qf2 26.Kh1 Qh4 27.Kg1 Qg5 28.Bg4 Bd5–/+) 24...h4 25.Rdb1 Bh6 26.Rb8 (26.Bb2 Rec8 27.Qa5 Nf6+–) 26...Ne3 27.Ne3 (27.fe3 Be3 28.Ne3 Qe3 29.Kg2 Qh3 30.Kg1 Qc3 31.Ra8 Ra8 32.Rb8 Rb8 33.Qb8 Kh7–+) 27...Be3 28.Ra8 (28.fe3 Qe3 29.Kg2 Qh3 30.Kg1 Qc3 31.Ra8 Ra8 32.Rb8 Rb8 33.Qb8 Kh7–+) 28...Ra8 29.Rb3 (29.fe3 Qe3 30.Kg2 Qh3 31.Kf2 Qc3 32.Rb8 Rb8 33.Qb8 Kh7–+) 29...Bf2? (29...Rc8 30.Qd6 Bg5 31.Ne4 Qf5 32.Ng5 Qg5 33.Kf1 Qd2+–) 30.Kf2 e3 (30...a5 31.Bc1+–) 31.Kg1 1–0. pcmvr (2875) – fhupp (2310), net–chess.com, 2009.

7.Qc2 Bf8 8.a3 c6 9.d3 Qd7 10.Be2 Qg4 11.0–0 Qg6 12.Bc1 a5 13.b5 Be7 14.Rb1 Be6 15.e4 Nfd7 16.Be3 Nc5 17.Kh1+= Nbd7 18.d4 ed4 19.Nd4 Rac8 20.f4 Bg4 21.Bg4 Qg4 22.Rf3 Bf8 23.Rg3+= Qh5 24.bc6 bc6 25.Kg1 f6 26.Nb3 Nb3 27.Rb3 Nc5 28.Rh3 Qg6 29.Bc5 dc5 30.Rb7 Re7 31.Re7 Be7 32.Rd3 Rd8 33.Rd8 Bd8 34.g3 Bc7 35.Qf2 Bd6 36.Qf3 Qe8 37.Qd3 Qb8 38.Nd1 Be7 39.Kf2 Kf7 40.h4 h5 41.Ke3 g6 42.Kd2 Bd6 43.Kc2 Ke7 44.Qf3 Bc7 45.Qe3 Bb6 46.f5 Qg8 47.fg6 Qc4 48.Nc3 a4 49.e5 Ba5 ½–½. Bendig,Frank – Rohde,Friedhelm, corr or02–020, 2002.

7.d4 e4 8.Nd2 d5 9.b5 c6 10.bc6 bc6=.

7.Be2 e4 8.Nd4 c5 9.Nc2 Nc6 10.b5 Ne5 11.0–0 Bf8 (11...Be6!? 12.Na3 a6+=) 12.d4= ed3 13.Bd3 Be6 (13...a6 14.ba6 Ra6 15.e4=) 14.Nd5 Bd5 (14...Be7 15.Be2 Nd5 16.cd5=) 15.cd5 g6 (15...Nd3 16.Qd3 Be7 17.Rfc1+=) 16.Be2+= Bg7 17.f4 (17.Rc1 Ne4=) 17...Ned7 18.Bf3 (18.f5 g5=) 18...Ne4 (18...Nb6 19.f5=) 19.Bg7 Kg7 20.Qd3 (20.f5 Qh4=) 20...f5 21.g4 (21.Be4 Re4 22.Rac1 Nf6+=) 21...Ndf6 (21...Qe7 22.gf5 gf5 23.Be4 Qe4 24.Qe4 Re4 25.Rf3+=) 22.g5= Nd7 23.Kg2 (23.Na3 a6=) 23...Qa5+= 24.Rad1 (24.Kg1 Nb6 25.Na3 Rac8+=) 24...Kf7 (24...Rac8 25.Na3–/+) 25.a3 (25.Na3 Nb6+=) 25...h5 (25...Rac8!?–/+) 26.Be4 (26.gh6!? Ndf6 27.Rg1=) 26...Re4+= 27.Qd2 (27.Qb3 c4 28.Qb2 Rc8+=) 27...Qb5–/+ 28.Rb1 Qa6 29.Rfc1 (29.Rb2 Kg8–/+) 29...b6 (29...Rae8 30.Qd1–/+) 30.Rb3 (30.Re1 Kg8–/+) 30...Rae8 31.Ne1? (better is 31.Kg1–/+) 31...Rf4!!–+ Threatening mate... how? 32.Nd3 (32.ef4 Re2 Theme: Double Attack) 32...Rg4 33.Kh1 (33.Kf1–+) 33...Qa4 34.h3 (34.Nf2 Qb3 35.Ng4 hg4–+) 34...Qb3 (better is 34...Rh4!? 35.Nf2 Qb3 36.Rc3–+) 35.hg4 Qd5 36.Kh2 (36.Kg1 c4 37.gh5 Qd3 38.Qd3 cd3 39.h6–+) 36...hg4 37.e4 Rh8 –+. Gawlikowski,Stanislaw – Bednarski,Jacek, Warszawa Poland, 1964.

7.d4 ed4

8.Nd4 a5 9.b5= Nbd7 (9...Bg4 10.f3 Bc8 11.Bd3=) 10.Be2 Bf8 (10...Nb6 11.0–0=) 11.0–0+= Ne5 12.Qc2 Bd7 13.Rad1 c6 14.Ba1 (14.Nf5 Qc7+=) 14...Qc7 15.Qb3 (15.a4 Rac8+=) 15...Ng6 (15...Qb6 16.Na4 Qd8 17.Nf3+=) 16.Rfe1 h5 (16...Be7 17.Bb2+=) 17.Nf3 (17.a3 Be7+/–) 17...h4 (17...Bg4 18.h3 Bf3 19.b6+=) 18.h3+/– Bf5 19.Nd4 Bd7 20.Nf3 (20.a3 Be7+/–) 20...Bf5 21.Bd3 (21.Rd4 Ne4+=) 21...Bd3+= 22.Rd3 Ne4 (22...Nd7 23.Rd4+=) 23.Ne4 Re4 24.Rd4 a4 25.Qb1 (25.Qd3 Rd4 26.Bd4 Be7+/–) 25...Rd4+= 26.Bd4 Qd7 27.bc6 bc6 28.Rd1 Ra5 (28...Qe7 29.a3+=) 29.Rd2 (29.Qb8 Ra6+/–) 29...a3 30.Qb6 Rf5 (30...Ra4 31.Qb3 Ra5 32.Bb6+/–) 31.Bc3 (31.Rd3!?+/–) 31...c5+= 32.Qb1 Qe6 33.Qd3 Rh5 (33...Be7 34.Ba1+=) 34.Rd1 Ne7 (34...Be7 35.Ba1+=) 35.Rb1 (35.e4 Ng6+/–) 35...d5+= 36.Be1 dc4 37.Qa3 Qe4 (37...Nd5 38.Rb8 Qd6 39.Ra8+/–) 38.Rc1 (38.Rb8 Ng6+/–) 38...Nd5 39.Qa8 (39.Bc3 Rh6+/–) 39...c3+= 40.Qc8 (40.Kh2 Qb4 41.Rd1 Qe4+=) 40...Ne3 (40...Qb4 41.Rc2+=) 41.Rc3+= Exerts pressure on the isolated pawn. White gets in control (41.Bc3 Rg5 42.fe3 Qf3–+) 41...Nd5 (41...Nf5 42.Rc5 Nd6 43.Qc7 Rc5 44.Qc5+/–) 42.Rc5+/– Rf5 (42...Ne7!? 43.Qc7 Rc5 44.Qc5 Ng6+/–) 43.Rc4+– Qd3 44.Rd4 Qb1 45.Qe8 (45.Kf1 Qb5 46.Qc4 Qd7+–) 45...Qa2+/– 46.Ra4 Qb1 47.Ra8 Kh7? (better is 47...Rf3 48.gf3 Qg6 49.Kh1 Qd6+–) 48.Rb8 (48.Qf8?! Rf3 49.Qe8 Ne3=; 48.Nh4?! Nf6 49.Qe2 Rf4+/–) 48...Bb4 (48...Qc1 49.Qe4 (49.Qf8?! Rf3 50.Qh8 Kg6=; 49.Nh4?! Nf6 50.Qe3 Qe3 51.fe3 Bd6+/–) 49...Qf4 50.Qb1+–) 49.Qh8 Kg6 50.Nh4 (50.Rb4 Nb4 51.Nh4 Kf6 52.Qd8 Ke6 53.Qb6 Kd7 54.Qb7 Ke6 55.Qc8 Kf6 56.Qf5 Qf5 57.Nf5 Nd3 58.Ng7 Ne1+–) 50...Kf6 Threatening mate: Qxe1 51.Qd8 Ke5 52.Qe8 (52.Nf5 Qe1 53.Kh2 Qf2 54.Qe8 Be7 55.Ng7 Qf4 56.Kg1 Qc1 57.Kf2 Qd2 58.Kg1 Qc1 59.Kh2 Qf4 60.g3 Qf2 61.Kh1 Qf3 62.Kh2 Qf2 63.Kh1 Qf3 64.Kh2 Qf2=) 52...Kf6 53.Nf5 (53.Rb4 Nb4 54.Qd8 Ke6 55.Qc8 Kf6 56.Qf5 (56.Nf5?! Qe1 57.Kh2 Qf2=) 56...Qf5 57.Nf5+–) 53...Kf5 (53...Qe1 54.Qe1 Be1+–) 54.Qf7 Ke5 55.Qg7 (55.f4 Kd4 56.Qg7 Kc4 57.Rb4 Nb4 58.Qc3 Kd5 59.Qb4 Qd3+–) 55...Kd6 56.Rd8 (56.Rd8 Kc5 57.Rd5 Kd5 58.Qb7 Ke6 59.Qb4+–) 1–0. Vokac,Marek (2455) – Gorbatov,Alexey (2430), Polanica Zdroj op, 1996.

8.Nd4 c5 9.Nc2 Nbd7 10.Bd3 Ne5+=.

8.Nd4 c5 9.bc5 dc5 10.Nf3 Nc6 11.Be2 Bf5 12.Qd8 Rad8 (worse is 12...Nd8 13.Nd5 Nd5 14.cd5+=; worse is 12...Red8 13.0–0+=) 13.0–0 Rd7 14.Rfd1 Red8 15.Rd7 Rd7 16.a3 Be6 17.e4 h6 18.Re1 Bd6 19.Bf1 (19.Rd1 Nd4 20.Nd4 cd4=) 19...Ne5+= Attacks the isolani on c4 20.Nh4 Ne8 (20...Bc4 21.f4 Bf1 22.fe5 Be5 23.Kf1=) 21.Nd5 Nc6 22.Nf3 b6 23.Be2 f6 24.Bc3 Kf7 25.Nh4 Nc7 26.Bh5 Kg8 27.Rd1 Ne5 28.Be2 Nf7 29.Ng6 Ng5 30.f3 Kf7 31.Nh4 Ne8 32.a4 Bb8 33.a5 ba5 34.Rb1 Bc7 35.Nc7 Rc7 36.Ba5 Re7 37.e5 (37.Rd1 g6=) 37...fe5 38.f4 Ne4 (38...ef4 39.Bh5 Kg8 40.Ng6+/–) 39.Bh5+= Kg8 40.Ng6 Rf7 41.Rb8 N4d6 42.fe5 (42.Ne5?! Rf8+=) 42...Nc8 43.Bf3 Kh7 (43...Nc7 44.Bd5! Kh7 45.Bc7 Kg6 46.Be6 Rc7 47.Bc8+–) 44.Be4 Bc4 45.h3 Rf1 46.Kh2 Ba6 47.Ne7 g6 48.Nc8 (48.Rc8?! Bc8 49.Bg6 Kg7 50.Be8 Be6+/–) 48...Bc8 49.Rc8 (49.Rc8 Ra1 50.Rc5+–) 1–0. Wolf,Wolfgang (2400) – Kahl,Karl_Heinz (2195), BdF MS–047 remoteschach.de, 2007.

6.Nc3 Bf5

7.d3 Na6 8.b5 Nc5 9.Be2 a6 10.d4 ed4=.

7.d3 Re8 8.Be2 d5 9.0–0 d4 10.ed4 ed4=.

7.d4 Re8 8.Be2 h6 9.de5 de5 10.Qd8 Rd8 11.a3 c5 12.b5 Nbd7 13.Rd1 e4 14.Nd2 a6 15.a4 ab5 16.ab5 Nb6 17.0–0 Be6 18.Nce4 Ra2 19.Nf6 gf6 20.Bc3 (20.Bc1!? Rc2 21.Bf3 Rc1 22.Rc1 Rd2 23.Rfd1=) 20…Na4–/+ 1–0. Rush,Bradley – Nospers,Claudia, OP–2012–0–02015, 2012.

7.Be2 a5 8.b5 Re8 9.0–0 Nbd7 10.d4 c6=.

7.Be2 Nc6 8.a3 a6 9.0–0 d5 10.cd5 Nd5 11.Nd5 Qd5 12.d3 Rfd8?? ( 12...Qe6=+) 13.e4+– Be4 14.de4 Qe4 15.Qe1 Nd4? (15...Bf6!? 16.Bd1 Qf5+–) 16.Bd4 (16.Nd4!? ed4 17.Bf3 Qe6 18.Qe6 fe6 19.Bb7 Ra7+–) 16...ed4 17.Nd2 Qf5 (17...Qf4 18.Bd3+–) 18.Bc4 (18.Bf3 Bd6 19.Bb7 Ra7+–) 18...b5 (18...Re8 19.Qb1 Qb1 20.Rfb1+–) 19.Ba2 ( 19.Qe7!? bc4 20.Nc4 Rd7+–) 19...Bf6 20.f4 ( 20.Rc1!? Rd7 21.Rc5+–) 20...d3 21.Qf2?? ( 21.Rc1 c5 22.bc5+=) 21...Ba1 ( 21...Bd4 22.Rac1 Bf2 23.Rf2 Rac8–+) 22.Ra1–/+ Re8 23.Qd4 Rad8 24.Qc3? ( 24.Qc5 Qc5 25.bc5–/+) 24...Re2–+ (24...Qf4?! 25.Rf1 Qe3 26.Kh1–/+) 25.Rf1 Rde8?? ( 25...Qg4 26.Rf2 Rf2 27.Kf2 Qf4 28.Nf3 d2–+) 26.Qc7?? ( 26.Bb3–/+) 26...Rd2–+ 27.Qc6 Ra2 ( 27...Rc8 28.Qd5 Qd5 29.Bd5 Kf8–+). maxum – SACR, Live Game Caissa's Web, 2004.

7.Be2 h6 8.0–0 a5 9.a3 ab4 10.ab4 Ra1 11.Qa1 Na6 12.Qa4 Qd7 13.Qa3 c6 14.Ra1 Ra8 15.Qb3 Qd8 16.d4 e4 17.Nd2 d5 18.c5 Bg4 19.Bf1 Nc7 20.b5 Ra1 21.Ba1 Qa8 22.Bb2 Bf5 23.h3 Bd8 24.bc6 bc6 25.Na2 g6 26.Nb4 Kg7 27.Qa3 Qb7 28.Qa4 Bd7 29.Nb3 Ng8 30.Bc3 Bf6 31.Be2 Qb8 32.Bg4 Bg4 33.hg4 Ne7 34.Na5 Nb5 35.Be1 Na7 36.f3 (36.Nbc6? Nac6 37.Nc6 Qe8–+; 36.Nac6? Nac6 37.Nc6 Qe8–+) 36...ef3 37.gf3 ½–½. Bonoldi,Fabio (1880) – De Waele,Willy (2005), SB–2010–0–00083, 2010.

7.d3 a5

8.b5 c6 9.Be2 cb5 10.Nb5 Nc6=.

8.b5 Nbd7 9.Be2 Nc5 10.0–0 Re8 11.e4 Bd7 12.h3 Bf8 13.Rb1 g6 14.Bc1 Bg7 15.Nh2 Be6 16.Bg5 c6 17.Qd2 Qc7 (17...d5 18.bc6 bc6 19.cd5 cd5 20.Rb5=) 18.f4+= h6 (18...ef4!? 19.b6 Qb8+=) 19.fe5+/– Nfe4 20.Ne4 (20.de4 hg5 21.ed6 Qb6 22.bc6 Nb3 23.Kh1 Nd2 24.Rb6 Nf1 25.Nf1 Bc3 26.Rb7 Rec8–/+) 20...Ne4 21.de4 hg5 22.b6 Qd8 23.ed6 (23.Qd6?! g4=) 23...Bc8 24.c5 Re4 25.Qc2 Rf4 26.Bg4 f5 27.Rf4 gf4 28.Re1 Qf6 29.Re8 Kf7 30.Re7 Kf8 31.Bd1 Qb2 32.Qb2 Bb2 33.Nf3 Bf6 34.Rc7 Bd8 35.Ne5 Bc7 36.bc7 (36.dc7?! Kg7+=) 36...Kg7 37.Kf2 Be6 38.Bb3 Bc8 39.Bf7 g5 40.h4! gh4 41.Kf3 a4 42.a3 (worse is 42.Kf4 a3 43.Be8 Ra4 44.Kg5 Ra8+–) 42...Kf6 (42...Kh6 43.Be8 Be6+–) 43.d7 Bd7 44.Nd7 (44.Nd7 Kf7 45.Nb8+–) 1–0. Buczinski,Henryk (2175) – Korchut,Adam (2005), BI–2010–F–00003, 2011.

7.d3 Nbd7

8.Be2 c6 9.0–0 Re8 10.a3 Nf8 ½–½. Svensek,Marjan (2015) – Gabor,Matija (2035), SLO–chT1 East, 2006.

8.Be2 d5 9.cd5 Bb4 10.Qb3 a5=.

7.Be2 Nbd7

8.0–0 c6 9.Rc1 (9.d4 Re8=) 9...Re8 (9...c5 10.bc5 dc5 11.d4 ed4 12.ed4=) 10.d4 h6 (10...e4 11.Nd2 h6 12.a3=) 11.Re1 (11.a3 e4 12.Nd2 Qb6=) 11...Qb6 (11...e4 12.Nd2=) 12.Qb3 White plans b5 (12.a3 e4 13.Nh4 Bh7=) 12...e4 13.Nd2 a5 (13...Red8 14.Red1=) 14.b5 c5 (14...Rac8 15.Qa4=) 15.Nf1 (15.d5 Ne5+=) 15...Bg6 (15...cd4 16.Na4 Qc7 17.ed4+=) 16.Red1 Qd8 (16...cd4 17.ed4 Qc7 18.Ne3+=) 17.Ba3 (17.Qc2 cd4 18.Rd4 Nc5+=) 17...Qb8 (17...Qb6 18.Ng3+=) 18.Ng3 cd4 (18...Qc7 19.Qc2+=) 19.Rd4 Will e4 fall? 19...Nc5 20.Qb1 Increases the pressure on e4 (20.Qc2 Qc7+=) 20...h5 21.Nd5 (21.Rd2 h4 22.Bc5 dc5 23.Nge4 Ne4 24.Ne4 Qe5+/–) 21...h4 22.Ne7 (22.Nf1 h3=) 22...Re7 23.Nf1 b6 (23...h3 24.gh3 Rd7 25.Rcd1+=) 24.Rcd1 Re6 (24...Rd7 25.R4d2+=) 25.R1d2 (25.h3 Qc7+=) 25...Ra7 (25...h3 26.gh3 Qc7 27.Bg4 Ng4 28.hg4+/–) 26.Qd1+/– Rd7 27.f4 (27.Bg4 Ng4 28.Qg4 Qd8 29.Bc5 bc5+/–) 27...ef3+= 28.Bf3 (28.gf3!? h3 29.Rh4+/–) 28...Nfe4 (28...Nce4 29.R2d3=) 29.Rb2 Qd8 (29...Qc7 30.Bc5 Qc5 31.Bg4=) 30.Bc5 bc5 31.Rd3 Qf6 32.Rc2 (32.Rc2 Ra7 33.Ra3=; 32.Rbb3 h3=). Merighi,Ernesto – Dominguez,Carlos, TT–04–0051 B, 2004.

8.d4 c6 9.0–0 e4 10.Nh4 Be6=.

6.Nc3 Bg4

7.Be2 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 Bg4 6.Be2 0–0 7.Nc3).

7.h3 Bh5

8.Be2 Nbd7 9.d4 c6 10.c5 (10.0–0!?+=) 10...ed4= (worse is 10...dc5 11.de5 Ne8 12.bc5 Bf3 13.gf3 Ne5 14.Ne4=) 11.cd6 Bd6 12.Qd4 Bf3 13.Qd6 Be2 14.Ke2 Re8 15.Rhd1 Qb6 16.a4 Re6 (16...a5!? 17.b5 Nc5+=) 17.a5= Qd8 18.Qg3 Qe7 19.Rd4 c5 20.Nd5 Nd5 (better is 20...Qf8 21.bc5 Qc5=) 21.Rd5+/– Nf6 22.Rc5 g6 (22...Re8 23.Rd1+/–) 23.Rac1+– Ne8 24.Qf3 Rd8 25.R1c4 (25.Kf1 b6 26.R5c4 a6+–) 25...b6 26.ab6 ab6 27.Rc6 (27.Rd5 Ra8+/–) 27...Qd7 28.Rd4 Qc6 29.Qc6 (29.Rd8?! Qc2 30.Rd2 Qc4 31.Ke1 Qb4+=) 29...Rc6 30.Rd8 Rc2 31.Rd2 Rc4 32.b5 Rc5 33.Ba3 Rb5 34.Rd8 Re5 35.f4 Re6 36.g4 f5 37.Kd3 (37.g5 Kh8+/–) 37...Kf7 38.Rd7 Kg8 39.g5 Re4 (39...Rc6 40.Re7 Nc7 41.Bb2+/–) 40.Rb7 Re6 41.Ra7 (41.Bb2 Rc6+/–) 41...Kh8 (41...Rc6!?+/–) 42.Bb2+– Kg8 43.Be5 Rc6 44.Kd4 Kf8? (better is 44...Rc5+–) 45.Rg7 (45.Kd5!? Rc2+–) 45...Re6 (better is 45...Ng7 46.Kd5 Rc5 47.Kd4 Ne6 48.Kd3 Ke7–+) 46.Rb7 (46.Rh7 Re7 47.Rh6 Rd7 48.Kc4 Nd6 49.Kc3 Ne4 50.Kb4 Kf7+–) 46...Rc6? (46...Re7 47.Rb6 Rd7 48.Kc5+/–) 47.Ra7 (47.Rh7 Kg8 48.Rb7 b5+–) 47...Kg8? (47...Rc1 48.Kd5 b5+–) 48.Kd5 Rc5 49.Ke6 Rc6?? (49...Ra5 50.Rb7 Ra8+–) 50.Kd7 (50.Kd7 Rc2 51.Ke8 Rc8 52.Kd7+–) 1–0. Bulcourf,Carlos (1980) – Bergo,Mario Luis, VI Copa Latina, 2015.

8.g4 Bg6

9.Nh4 a5 10.Ng6 fg6 11.b5 Nbd7 12.Bg2 Nc5 (better is 12...Rb8!?+=) 13.d4+/– ed4 14.ed4 (14.Qd4?! a4+=) 14...Ne6 15.Bb7 Rb8 16.Bc6 Nf4 17.Qd2 (17.Ne2 Nd7+–) 17...g5+/– 18.0–0–0 (18.Ne2 d5 19.Nf4 Bb4+–) 18...Nd7 (18...d5 19.cd5 Bb4 20.Qc2+=) 19.Nd5 (19.Ne2 Nb6 20.Nf4 Rf4+/–) 19...Nb6 20.Nb6 (worse is 20.Ne7 Qe7 21.Rhe1 Qf7+=) 20...cb6 21.Ba3 (21.Kb1 d5+=) 21...d5+= 22.Be7 Qe7 23.cd5 Qd6 (23...Ne2 24.Kb2 Rf2 25.Rdf1 Rf1 26.Rf1 Nd4 27.Rd1 Nc6 28.bc6+=) 24.Rhe1 (24.h4 gh4 25.Rh4 Ng6+/–) 24...Nd5 (24...Nh3 25.Qe3 Qf4 26.Rd2 Nf2 27.Qf4 Rf4 28.d6 Ng4 29.d7+/–) 25.Bd5 (25.Re5 Rbc8 26.Kb2 Nf4+/–) 25...Qd5+= 26.Re5 Qg2 The backward pawn on f2 becomes a target 27.Re2 (27.Rg5? Rbc8 28.Kb1 Rf2 29.Rg7 Kh8 30.Rg8 Rg8–+; 27.Qg5 Rf2 28.Rd2 Rc8 29.Rc5 bc5 30.Rf2 cd4 31.Kd1 Qf2 32.Qd5 Kh8–+) 27...Rbc8 28.Kb2 Rc4 (28...Qh3 29.Qg5 Qc3 30.Kb1+=) 29.a3 (better is 29.Qe3 Qd5 30.Qe5 Rb4 31.Ka1 Rb5 32.Rdd2=) 29...Rfc8? (better is 29...Qh3 30.Qd3 Qd3 31.Rd3 Rd8=) 30.Qg5+– Qf3 31.Qe3 Qf8 32.Qe6 Kh8 33.Qe7?? (better is 33.Rde1+–) 33...Rc2= 34.Kb1 Re2 35.Qe2 Qa3 36.Qb2 (36.h4!?=) 36...Qh3–/+ 37.d5 (better is 37.Qe2–/+) 37...Qg4–+ 38.Rd4 (38.Qd4 Qd7–+) 38...Qf5 39.Ka1 Rc2 40.Rf4 Qf4 (40...Rb2?? 41.Rf5 g6 42.Kb2 gf5 43.d6+–) 41.Qc2 Qd4 (better is 41...Qe5!? 42.Kb1 h5 43.Qc8 Kh7 44.Qc2 g6–+) 42.Kb1–/+ Qd5 43.Qc8 Qg8 (43...Qg8 44.Qc7 Qb3 45.Kc1 Qa3 46.Kc2 Qa4 47.Kc1 h5 48.Qb6 Qf4 49.Kc2 a4–/+) 0–1. Niculae,Cristian – Lutu,Manuel Catalin (2200), Bucharest op, 1995. (=1.Nf3 d6 2.b4 e5 3.Bb2 Nf6 4.e3 Be7 5.c4 0–0 6.Nc3 Bg4 7.h3 Bh5 8.g4 Bg6)

9.Nh4 a5 10.Ng6 hg6 (10...fg6 11.b5=) 11.b5+= Nbd7 (11...c6 12.Bg2+/–) 12.h4 Nb6 (12...Re8 13.h5 g5 14.Qf3+/–) 13.g5 (13.h5 Qc8+=) 13...Nh5 14.Be2 d5 15.cd5 Nd5 16.Ne4 Qd7 17.a3 (17.Be5 Qf5 18.d4 f6 19.gf6 A) worse is 19...Qe4 20.Bf3 Bb4 21.Kf1 Ne3 22.fe3 Qe3 23.Bh5 gh5 24.Rg1+= (24.Qh5?! Be7 25.Qe2 Qa3=); B) 19...gf6=; worse is 17.Bh5 gh5 18.Be5 Nb4+=) 17...Qf5 (17...Rfd8 18.Rg1+= (worse is 18.Bh5 Qb5 19.Be5 gh5=)) 18.d3+/– Rad8?? (better is 18...Qd7 19.d4 c6+/–) 1–0. Dzindzichashvili,Roman – Bokuchava,Alexande, Tbilisi, 1965.

9.Nh4 Nc6 10.Ng6 fg6 11.b5 =.

9.Nh4 Nbd7 10.Ng6 fg6!? 11.Bg2 c6 =.

9.Nh4 Nbd7 10.Ng6 hg6 11.Bg2+= c6 12.0–0 Nh7 13.b5+/– Rc8 14.d3 Ndf6 15.Qa4 cb5 16.Qb5 b6 17.Qa6 Qd7 18.Rac1 Ng5 19.Nb5+– e4 20.de4 Nfe4 21.Qa7 Qa7 22.Na7 Ra8 23.Nc6 Bd8 24.Nd8 Rfd8 25.h4 Ra2 26.Rc2 Rc8 27.hg5 Ng5 28.Bd5 b5 29.f4 Ne6 30.Rf3 bc4 31.Rh3 Rb8 32.Rch2 (32.Rch2 Kf8 33.Rh8 Ke7 34.Rb8+–) 1–0. spereira (1845) – ismaelarango, internet, 2005.

9.Nh4 Nbd7 10.Ng6 hg6 (10...fg6 11.Bg2=) 11.h4 c6 12.h5 gh5? ( 12...g5!?+=) 13.g5+– (13.g5 Qb6 14.gf6 Nf6 15.a3+–; 13.gh5?! Kh7+=) 1–0. Woelfelschneider,Peter – JS3276, 2009.

6.Nc3 h6

7.Qc2 c6 8.Be2 Qc7 9.0–0 Ne8 10.d4 f5 11.de5 de5 12.c5 Bf6 13.e4 f4 14.Bc4 Kh8 15.Rfd1 Bg4 16.Rd3 Qe7 17.Qb3 Nc7 18.Rad1 Ne6 19.Ne2 Ng5 20.Rd6 (better is 20.Nf4!? ef4 21.e5 Nf3 22.gf3 Be5 23.fg4 Bb2 24.Qb2+=) 20...Ne4+= 21.Rf6 gf6 (worse is 21...Qf6 22.Ne5 Be2 23.Be2+/–; 21...Nf6 22.Ne5 Bf5 23.Nf4+–; 21...Rf6 22.Be5 b5 23.cb6 ab6 24.Bf6 Qf6 25.h3+/–) 22.Nh4 Bh5 23.f3 Ng5 24.Rd6 Na6 (24...Qg7 25.Qd3 b5 26.cb6 ab6 27.Nf4 ef4 28.Rf6 Rf6 29.Qd8 Kh7 30.Bf6+=) 25.Nf5 Qh7 26.g4? (better is 26.Nh4 Rad8 27.Bd3–/+) 26...fg3!–+ 27.Neg3 (27.Neg3 Nf3 Double attack; 27.Nfg3 Bf3 Combination; 27.hg3 Nf3 Double attack) 27...Nh3 (better is 27...Nf3!? 28.Kh1 Bg4–+) 28.Kf1–/+ Bg6?? (28...Nc7 29.Qd3 Nf4 30.Qd2–/+) 29.Nh4?? (29.Rf6 Rf6 30.Be5+–) 29...Bc2–+ 30.Qe3 Rae8 (30...Nb4 31.Be5 Nd5 32.Bd5 Qd3 33.Qd3 Bd3 34.Kg2 fe5 35.Kh3 cd5 36.Rd5–/+) 31.b5? (better is 31.Nh5!? Nb4 32.Nf6 Rf6 33.Be5+–) 31...cb5–+ 32.Bb5 Re7 33.Nh5 Bg6?? (better is 33...Nc7 34.Nf6 Rf6 35.Rf6 Nd5 (35...Nb5?? 36.Rh6 Bd3 37.Ke1+–) 36.Qh6 Nf6 37.Qf6 Qg7 38.Qg7 Kg7+=) 34.Nf6+– Qg7 35.Ng4 (35.Ng6 Qg6 36.Ne4 Qg1 37.Qg1 Rf3 38.Nf2 Ng1 39.Ba6 ba6 40.Kg1 Kg8 41.Rh6 Rg7 42.Kf1 Rf5+–) 35...Ng5 (35...Nf4 36.Ne5 Kh7 37.Nhg6 Ng6 38.Rg6 Qg6 39.Ng6 Re3 40.Nf8 Kg8+–) 36.Ng6 (worse is 36.Rg6 Rf3 37.Nf3 Qg6+–) 36...Kh7 (36...Qg6 37.Rg6 Rf3 38.Qf3 Ne6 39.Qf6 Rg7 40.Rg7 Ng7 41.Bc4 Nc5 42.Qh6) 37.Nf8 Qf8 38.Bd3 e4 39.Be4! Kg8 (39...Re4 40.Nf6 Double attack (40.Nf6 Decoy); 39...Ne4 40.Nf6 Double attack (40.Nf6 Decoy)) 40.Rh6 1–0. Hartzell,Ove (1860) – Przysuski,Feliks (2075), SWE–chT2, 2007.

7.Qc2 Bg4 8.h3 Bf3 9.gf3 a6 10.Bd3 Nc6 11.a3 d5 12.cd5+/– Nd5 13.Rg1 Bf6 14.Ne4 Qe7 15.Rc1 Qe6 16.Bc4 (16.Bc4 Rfd8 17.Nc5+/–) 1–0. AGove – Steve20, ChessWorld.net, 2007.

7.d4= Bg4 8.h3 (8.de5!? de5 9.Qd8 Rd8 10.Ne5 Bb4 11.a3+=) 8...Bf3+= 9.Qf3 c6 (9...ed4 10.Nb5 d5 11.Bd4+=) 10.Rd1 (10.de5 de5 11.Rd1 Qc8+=) 10...Qc7 (10...e4!? 11.Qf5 d5 12.cd5 cd5+=) 11.Be2+= a5 (11...ed4 12.Rd4 c5 13.bc5 dc5 14.Rd2+=) 12.b5 Rd8 (12...Nbd7 13.0–0+/–) 13.0–0+/– Nbd7 14.a4 (14.Rfe1 cb5 15.cb5 Rac8+/–) 14...Nb6 15.Ba3 (15.Qf5 Qd7 16.Qd7 Nfd7 17.bc6 bc6+=) 15...ed4 16.Rd4 (16.ed4 cb5 17.Nb5 Qc6+/–) 16...d5 17.Be7 Qe7 18.Rfd1 Qb4 19.e4 c5 20.Rb1 (20.Nd5 Nfd5 21.R4d2 Qa4 22.cd5 Nc4 23.Bc4 Qc4=) 20...de4 (20...cd4!? 21.Rb4 ab4 22.Nd5 Na4 23.Nb4 Nc5=) 21.Re4= Qa3 (21...Ne4 22.Rb4 Nc3 23.Rb2+=) 22.Re7 (22.Re3 Re8 23.Ne4 Qa2 24.Nf6 gf6+/–) 22...Nbd7 (22...Na4 23.Na4 Qa4 24.Qb7+/–) 23.Nd5 (23.Rd1 Rab8+/–) 23...Qf3 (23...Qa4 24.Nf6 Nf6 25.Qb7+=) 24.Bf3 (24.gf3? Kf8 25.Re4 Nd5 26.cd5 Nb6–+) 24...Nd5? (better is 24...Kf8!? 25.Rbe1 Re8+=) 25.Bd5+– (25.cd5?! Nb6+/–) 25...Nf6 (better is 25...Nb6 26.Bf7 Kh7 27.Rb7 Na4+–) 26.Bf7 Kf8 27.Rb7 Rab8 28.Rb8 Rb8 29.Bd5 (29.Be6 Ne4+–) 29...Nd5 30.cd5 Ke7 31.Kf1 (31.Rd1 Kd6+–) 31...Kd6 32.Rd1 Re8 (32...Rf8 33.g3+/–) 33.Rd2 (33.Re1!? Rc8+–) 33...Re4+/– 34.Rb2 (34.Ra2+/–) 34...Re8?? (better is 34...Ra4 35.b6 Rb4+=) 35.Re2+/– Rc8 36.Ke1 c4 (36...Kd5 37.Re7 Kc4 38.Rg7+–) 37.Kd2 g5? (better is 37...c3 38.Kc2 Rc4+–) 38.Kc3 (38.Kc3 Kd5 39.Rd2 Kc5 40.Rd4+–) 1–0. Ponyi,Attila (2100) – Konnyu,Janos, Gyor Matrai Nyar op, 1997.

7.Be2 Be6 8.Qb3 Nbd7 9.a4 c5 10.b5 e4 11.Ng1 Ne5 12.f4 Nd3 13.Bd3 ed3 14.e4 Re8 15.f5 (15.Nf3=) 15...Ne4 (better is 15...Bd7!? 16.Kf1 d5 17.cd5 Qc7–/+) 16.fe6+= Bh4 17.g3 Re6 18.0–0–0 Nf2 19.gh4 Nh1 20.Nd5 Nf2 21.Qc3 (21.Rf1 Ne4=) 21...Rg6 (21...f6!? 22.Rf1 Qe8–/+) 22.Re1= Qd7?? (22...a6 23.Nf3 Rg2+/–) 23.Nf4?? (better is 23.Qg7! Rg7 24.Nf6 Kh8 25.Nd7+–) 23...Re8–/+ 24.Re8?? (better is 24.Rf1 Rg4 A) 25.Nd3? Nd3 26.Qd3 Qe6–+ (26...Rh4?! 27.Nf3 Rf4 28.Kd1–/+); B) 25.h3+=) 24...Qe8–+ 25.Nd3 Rg1 26.Kc2 Qe4 (26...Qe4 27.a5 Nd1–+) 0–1. Schmidtke,Wilfried (1700) – Haack,Karin (1830), 2. Landesliga West, 2002.

7.Be2 Bf5 8.0–0 Nbd7 9.d4 e4 10.Nd2 c6 11.Qb3 Qc7 12.Rac1 Qd8 13.Rfd1 a5 14.a3 b6 (14...ab4 15.ab4 Qb6 16.Ra1=) 15.d5 c5 (15...cd5!? 16.cd5 Rc8+=) 16.ba5+/– ba5 17.Qc2 Rb8 18.Rb1 Bg6 19.Nce4 Ne4 20.Ne4 Nf6 21.Bd3 Be4 22.Be4 a4 (22...Ne4 23.Qe4 Re8 24.Qf3+–) 23.Bf3 (23.Bf6 Bf6 24.Rb8 Qb8 25.Qa4 Qe8+–) 23...Qd7 24.Bc3 Ra8 25.Rb5 Rfe8 26.Rdb1 Qc8 27.Bd1 Bd8 28.Qd3 (28.Qb2 Qf5+–) 28...Ne4 29.Ba1 Bh4 30.g3 Bf6 (30...Qf5 31.Qc2 (worse is 31.gh4 Qg6 32.Bg4 Qg4 33.Kf1 Qh4+=) 31...Bf6 32.Bb2 Bb2 33.R1b2+–) 31.Bf6+– Nf6 32.f3 Qh3 33.Be2 Qd7 34.Rb7 Qd8 35.e4 Qa5 36.Kf2 Qd8 37.R7b6 (37.Kg2 Re7+–) 37...Qc8? (better is 37...Nd7!? 38.R6b5 Qe7+/–) 38.Kg2 ½–½. Weigel,Hans Juergen (2010) – Sakuth,Eckard (1610), Hamburg Seniors op, 2004.

7.d4 ed4

8.Qd4 Nc6 9.Qd2 Nb4–/+ 10.Be2 Re8 11.0–0 Nc6 12.Rfd1=+.

8.Nd4 c5 9.Nc2= Nc6 10.a3 Bf5 11.Nd5 a5 12.bc5=.

8.Nd4 c5 9.Nc2 Bf5 10.Bd3 Bd3 11.Qd3 Nc6 12.b5 Ne5 13.Qe2 Qc7 (13...a6 14.0–0=) 14.f4 Ng6 15.0–0 Rad8 (15...a6 16.e4+=) 16.e4+/– b6 (16...Rde8 17.Ne3+/–) 17.Ne3 Qb7 18.Ncd5 Nd5 19.Nd5 Rfe8 20.Rad1 Bf6?? (better is 20...Bf8+/–) 21.Bf6+– gf6 22.Nf6 (22.Nf6 Kg7 23.Ne8 Re8 24.Rd5+–) 1–0. Janek – AxelG, internet, 2017.

8.Nd4 Nc6 9.Nc6+= bc6 10.a3 (10.Bd3 d5 11.Qa4 Be6 12.a3=) 10...Be6 (10...a5 11.Be2 ab4 12.ab4=) 11.Bd3 d5 (11...Nd7 12.0–0+=) 12.cd5 cd5 13.0–0 c6 14.Rc1 Bd6 15.h3 (15.Na4 a5 16.Rc6 Ng4+=) 15...Rc8 16.Na4 Nd7 17.Bd4 a5 18.Nc5 Nc5 19.Bc5 ab4 20.ab4 Ra8 21.Qc2 Rc8 22.Ra1 Bc5 23.Qc5 Qd7 (23...Rb8 24.Ra6+=) 24.Ra6+/– Rc7? (better is 24...Rfd8+/–) 25.Bh7!+– Kh7 26.Qf8 Bh3 (26...Qc8 27.Qc8 Bc8 28.Rb6+–) 27.gh3 Rc8 28.Qc5 Qh3 29.Qc2 (29.Rc6?! Qg4 30.Kh2 Qh4 31.Kg2 Qg4 32.Kh1 Qh5 33.Kg1 Qg4 34.Kh2 Qh4 35.Kg1 Qg5 36.Kh2 Qh4=) 29...g6 30.Rfa1 (30.Rc1 Qg4 31.Kf1 Qb4 32.Rc6 Qb5 33.Kg1 Rc6 34.Qc6 Qc6 35.Rc6 Kg7+–) 30...Qg4 31.Kf1 Qb4 32.Ra7 Kg7 (32...Kg8 33.R1a4 Qb5 34.Kg2+–) 33.Rb1 Qd6?! (33...Qe4 34.Qe4 de4+–) 34.Rbb7 Qe6 (34...Rf8 35.Rc7 Qh2 36.Qc3 Kg8+–) 35.Rf7 (35.Rf7 Qf7 36.Qb2 Kg8 37.Rf7 Kf7 38.Qb7 Ke6 39.Qc8 Kd6 40.Qf8 Kc7 41.Qh6+–) 1–0. hassell – fatou, playchess.de, 2002.

7.d4 e4

8.Nd2 d5 9.a3 (9.b5 c6 (9...Bb4 10.cd5 Bc3 11.Bc3 Nd5 12.Qb3 Bf5 13.Rc1 Qd7 14.Bc4 Nb6+=) 10.bc6 bc6 11.Be2 Nbd7 12.Rb1 Rb8 13.0–0 Qa5 14.Qc2 Re8=) 9...c6 10.Be2 Bf5 (10...a5 11.b5 cb5 12.cd5 b4 13.Nce4 Nd5 14.ab4 Bb4=) 11.0–0 Bh7 (11...a5 12.Qb3= dc4 13.Nc4 ab4 14.ab4 Ra1=) 12.Rc1+= (12.cd5 cd5 13.Rc1 a5 14.b5 Qd6+=) 12...b6 (12...Nbd7 13.cd5 cd5 14.f3 a5+=) 13.Qb3 a6 (13...dc4 14.Nc4 b5+=) 14.f3 (14.cd5 cd5+=) 14...ef3 (14...dc4 15.Nc4 (15.fe4?? cb3 16.e5 Nd5 17.Nd5 cd5–+) 15...Ra7 16.Rcd1+=; 14...b5+=) 15.Bf3+/– Bd3 16.Rfd1 dc4 17.Nc4 (17.Nc4 Bc4 18.Qc4+/–) 1–0. Marram – Catigari Catigari, internet, 2010.

8.Nd2 Bf5 9.Qb3 c6 (9...Qd7 10.Be2 a5 11.b5 c6 12.0–0 d5 13.Rac1 cb5 14.Nd5 Nd5+=; 9...Qc8 10.Be2 Re8 11.0–0 c6 12.f3 ef3 13.Bf3 Bd3 14.Ne2 Be2=) 10.Be2 d5 11.0–0 dc4 12.Bc4 Qd6 13.Qc2 Ng4 14.g3 Qg6=.

8.Nd2 Bf5 9.Qc2 Nh7 (better is 9...d5!?=) 10.b5 Bg6 (10...a6!?+/–) 11.Nde4 Bg5? (better is 11...a6!? 12.a4 ab5 13.ab5 Ra1 14.Ba1 Nd7+/–) 12.f4+– Be7 13.Bd3 f5 14.Ng3 Bh4 15.0–0 Bg3 16.hg3 Nd7 17.g4! Nhf6 (17...fg4 18.Bg6 Pinning (18.Bg6 Deflection)) 18.gf5 Bh5 19.e4 Ng4 20.Rf3 Qh4 (20...Bf7+–) 21.Rh3 Qf6 22.Nd5 (22.Rh5?! Qd4 23.Kh1 Nf2 24.Kh2 Nd3+=) 22...Qd4 (22...Qd8 23.Rh5 c6+–) 23.Bd4 (23.Bd4 Bf7 24.Ne7 Kh8 25.Qe2+–) 1–0. Janek – Hass, internet, 2016.

8.Nd2 Bf5 9.Be2 c5 10.bc5 dc5 11.d5 Re8 12.Qb3 b6 13.0–0 Nbd7 14.Rad1 Qb8=.

8.Nd2 Bf5 9.Be2 c6 10.0–0 d5 11.c5 Nbd7 12.a3 =.

8.Nd2 Bf5 9.Be2 d5 10.a3 c6 11.0–0 Qd6 12.Rc1 Nbd7 13.cd5 cd5 14.f3 ef3+=.

6.d3 a5

7.b5 a4 8.Be2 c6 9.0–0 cb5 10.cb5 Qb6=.

7.b5 Qd7 8.Be2 Qf5 9.0–0 Qg6 10.Nc3 Bh3=.

7.b5 Bd7 8.Be2 Bf5 9.Nc3 Nbd7 10.0–0 Re8=.

7.b5 Nbd7 8.Be2 a4 9.0–0 Re8 10.d4 e4=.

7.b5 Be6 8.Be2 a4 9.0–0 c6 10.Ng5 Bf5=.

7.b5 Qe8 8.Be2 a4 9.a3 Nbd7 10.0–0 Nb6=.

7.b5 Re8 8.Be2 Bf5 9.Nc3 Nbd7 10.0–0 Nc5=.

7.b5 Bf5 8.Be2 Re8 9.Nc3 Nbd7 10.0–0 Nc5=.

7.b5 Bg4 8.Be2 a4 9.0–0 Nbd7 10.a3 Nc5=.

7.b5 c6

8.a4 Nbd7 9.Be2 e4 10.de4 Ne4 11.Bd3 (11.Nbd2 Nec5 12.0–0=) 11...Bf6 (11...Ndc5 12.Be4 Ne4 13.Nc3=) 12.Qc2 (12.Be4 Bb2 13.Bh7 Kh7 14.Qc2 Kg8 15.Qb2 Nc5+/–) 12...d5 (12...Ndc5 13.Be4 Ne4 14.0–0+=) 13.cd5= cd5 (13...Bb2 14.Ra2 (14.Be4? Ba1 15.dc6 bc6–+) 14...cd5 15.Rb2=) 14.Nd4 (14.Bd4 Bd4 15.Nd4 Ndc5+=) 14...Ndc5= 15.0–0 Nd3 16.Qd3 Bf5 17.Qb3 (17.Nf5 Bb2 18.Ra2 Bf6+=) 17...Bg6 18.f3 (18.Rd1!?=) 18...Nc5+= 19.Qc3 Nd3 20.Ba3? (better is 20.Rd1 Rc8 21.Qd2–/+) 20...Re8–+ 21.Qd2 Rc8 0–1. GuestMMFQ – GuestWXKB, freechess.org, 2017.

8.Nc3 Bg4 9.Be2 Nbd7 10.0–0 d5=.

6.d3 Nbd7

7.a3 a5 8.Be2 d5 9.b5 e4 10.Nd4 ed3=.

7.Nc3 b6 8.Be2 Bb7 9.0–0 c6 (9...c5 10.a3=) 10.Nd2 (10.d4 e4 11.Nd2 d5=) 10...d5 11.a3 c5 Black prepares d4 (11...a5 12.Qb3=) 12.bc5 (12.Nd5 Nd5 13.cd5 cb4 14.ab4 Bb4 15.e4=) 12...Bc5 (12...Nc5 13.cd5 Nd5= (worse is 13...Bd5 14.Nd5 Nd5 15.Be5+/–)) 13.Bf3+= d4 (13...Rc8 14.cd5 a6 15.Rc1+=) 14.Bb7+/– dc3 15.Bc3 (worse is 15.Ba8 cb2 16.Rb1 Qa8–/+) 15...Rb8 16.Bf3 Qe7 (16...Qc7 17.Qa4+/–) 17.Qa4 Qd6 18.Rfd1 (18.Qa7?! Qd3 19.Rfc1 b5+=) 18...Qc7 (18...Rfd8 19.Qa7 Qd3 20.Ne4 Qc4 21.Nf6 gf6 22.Bb4+/– (worse is 22.Rd7 Qc3 23.Rdd1 b5+=)) 19.g3 (19.Qc6 Qc6 20.Bc6 Rbc8+–) 19...Bd6 (better is 19...b5 20.Ba5 Qd6 21.cb5 Qd3+–) 20.Nb3?? (20.Qc6 Qc6 21.Bc6 Rbc8+–) 20...Rfc8 (better is 20...b5!? 21.Qa5 bc4 22.Qc7 Bc7=) 21.Rac1 (better is 21.Bb4+/–) 21...b5 (better is 21...Be7!?+/–) 22.cb5+– Qb6? (22...Nb6 23.Qa6 Qd7+–) 23.Bc6 (better is 23.Ba5 Rc1 24.Bb6 Nb6+–) 23...Nc5?? (better is 23...a6 24.Bb4 ab5 25.Qb5 Qb5 26.Bb5 Rc1 27.Rc1 Bb4 28.Bd7 Bf8+/–) 24.Nc5+– Bc5 (24...Rc6 25.bc6 Qc5 26.Bb4 Rb4 27.Qb4 Qb4 28.ab4+–) 25.Ba5 Be3 26.Bb6 (26.fe3?! Qe3 27.Kg2 Qe2 28.Kh3 Rc6 29.bc6 Rb2+–) 26...Bc1 (26...Bb6 27.Kg2+–) 27.Ba7 (27.Ba7 Bb2 28.Bb8 Rb8 29.b6+–) 1–0. Barbarickiy,Yuri (1970) – Druchenko,Mikhail, Salekhard Russia, City Championship, 2015.

7.Nc3 d5 8.a3 a5 9.Qb3 c6 10.Be2 ab4 11.ab4 Ra1 12.Ba1 Qb6 13.cd5 cd5 14.Na2 Qd6 15.0–0 Re8 16.d4 e4 17.Ne5 Qe6 18.Rd1 Bd6 19.Nd7 Bd7 20.Nc3 Rc8 21.h3 Bb8 22.Bf1 Qd6 23.g3 h5 24.h4 Bg4 25.Ne2 Qd7 26.Rc1 Rc1 27.Nc1 Bh3 28.Be2 Bg3 29.fg3 Qc7 30.Kf2 Qc1 31.Qd1 Qc8 32.Qd2 Bg4 33.Bb2 Be2 34.Qe2 Qh3 (35.Ke1 Ng4–+) 0–1. unikum – alapin, ChessWorld.net, 2003.

7.Be2 d5 8.a3 dc4 9.Ne5 Ne5 10.Be5 Qd5+=.

7.Be2 e4 8.de4 Ne4 9.Nbd2 Ndf6 10.Ne4 Ne4 11.Qc2 Bf6 12.Bf6 Qf6 13.0–0 Bf5 14.Bd3 Rae8 15.Rad1 (15.Nd4 Bg6+=) 15...h5 (15...Bg6 16.Nd4=) 16.Rc1 (16.Nd4 Bg6+/–) 16...h4 17.h3 c6 18.a3 Re7 19.Nd4 Rfe8? (better is 19...Bg6+=) 20.Nf5+– Qf5 21.f3 Qg5 22.Be4 Qe3 23.Kh1 Qa3 24.b5 d5 (24...cb5!? 25.cb5 Qe3+–) 25.cd5+– cd5 26.Bd5 Re2 (26...Qd6 27.Rfd1 Qg3 28.Be4+–) 27.Qc4 Qe7 28.Be4 Rb2 29.Rb1 Rd2 30.Rfd1 Rf2 31.Kg1 Qg5 32.Kf2 Qg3 33.Kg1 1–0. Fournier,Frederic – Dg2310, Partie evaluee, 5m + 2s, 2008.

6.d3 Bg4

7.Nbd2 Nc6 8.a3 h6 9.Be2 d5 (9...a6 10.0–0=) 10.cd5 Nd5 11.0–0 f5 (11...a5!?+=) 12.h3 Bf3 13.Nf3 Bf6 14.Rb1 (14.b5 e4 15.de4 fe4 16.Bf6 Rf6+–) 14...b6? (14...a6 15.Qb3 Rf7 16.Rfd1+=) 15.Qc2 (15.b5 Nce7 16.Ne5 a6 17.ba6 Ra6+/–) 15...Nce7 (15...Qd6 16.e4 Nf4 17.ef5+=) 16.Rfd1 (16.Be5 c6+–) 16...e4? (better is 16...Qd6+=) 17.de4+– Bb2 18.Rb2 (18.Rd5?! Nd5 19.ed5 Bf6 20.Qf5 Qd6+/–) 18...fe4 19.Qe4 Nc3?? (19...c6+–) 20.Qc4 (better is 20.Qe6 Kh8 21.Rd8 Rad8 22.Qe7+–) 20...Ncd5 (20...Ned5 21.Rd5! Nd5 22.Rd2+–) 21.Qc2 Qc8 22.Bc4 c6 23.Qb3 (better is 23.e4!? b5 24.Bb3 Qb7+–) 23...b5 24.Bd5 cd5 25.Rc2 Qe6 26.Nd4 Qe4 (26...Qd7 27.e4+–) 27.Nb5 Qf5 28.f3 Qg5 29.Rcd2 (better is 29.e4 a5 30.Nc7+–) 29...Rf3+/– 30.Nc7 Raf8 31.Nd5 Nd5 32.Qd5 Qd5 33.Rd5 R3f7? (better is 33...Re3 34.R1d3 Re1 35.Kh2 Rfe8+/–) 34.e4 Rc7 35.e5 Rc3 36.a4 Rb3 37.b5 Ra3 38.R5d4 Re8 39.Re1 Kf7 40.e6! Ke7 (40...Re6 41.Rd7 Double attack) 41.Rd7 Kf6 42.e7 (better is 42.Rf7 Kg6 43.Ra7+–) 42...Ra4 43.g4 Rb4 44.Kh2 1–0. Fournier,Frederic – guest5937, Active, 2005.

7.Be2 c6 8.a3 Nbd7 9.Nc3 Re8 10.0–0 Nf8 11.h3 Bh5 12.Nh2 Be2 13.Qe2 g6 14.Ng4 Ng4 15.Qg4 Qd7 16.Qd7 Nd7 17.e4 Rf8 18.Ne2 f5 19.ef5 Rf5 20.f4 ef4 21.Rf4 Raf8 22.Raf1 Rf4 23.Rf4 Rf4 24.Nf4 Kf7 25.Kf2 Nf6 26.g4 Nd7 27.Kf3 Bf6 28.Bf6 Kf6 29.h4 (better is 29.Ke4!?=) 29...Ne5–/+ 30.Kg3 h6 31.c5 dc5 32.bc5 b6 (32...g5 33.Nh5 Kg6 34.hg5 hg5 35.d4+=) 33.cb6 ab6 34.d4 Nd3?? (better is 34...Nc4 35.a4 Nd2=) 35.Nd3+– 1–0. Fournier,Frederic – Elihu, Partie amicale, 9m + 0s, 2008.

7.Be2 d5 8.c5 c6 (better is 8...e4!? 9.de4 de4 10.Qd8 Rd8=) 9.Ne5+= Be2 10.Qe2 Nbd7 11.Nd7 Qd7 12.Nd2 a5 13.a3 ab4 14.ab4 Ra1 15.Ba1 Ra8 16.0–0 Rf8 17.Nf3 h6 18.h3 Nh7 19.Bc3 Ng5 20.Ng5 Bg5 21.Ra1 Qc7 22.Qb2 b6? (better is 22...f5+–) 23.Bg7 Re8 24.Bh8 f6 25.Bf6 Bf6 (25...bc5 26.bc5 Rb8 27.Qe5 Qe5 28.Be5+–) 26.Qf6 Qf7 27.Qh6 Rf8 (27...bc5 28.bc5 Qg7 29.Qg7 Kg7 30.g4+–) 28.f3 (better is 28.cb6 Qg7 29.Qe6 Qf7 30.Qg4 Qg7 31.b7 Qg4 32.hg4+–) 28...Qf6 (28...bc5 29.bc5 Qb7+–) 29.Qf6 Rf6 30.Ra8 Kg7 31.Ra7 (better is 31.cb6 d4 32.b7+–) 31...Kg6 32.cb6 c5 (32...Rf8+–) 33.bc5 Rc6 34.Rc7 Re6 35.b7 Re8 36.e4 (36.Rc8 Re3 37.b8Q Re1 38.Kf2 Kg7 39.Rc7 Kf6 40.Qf8 Ke5 41.Qg7 Kf5 42.g4 Ke6 43.Re7) 36...Rb8 37.c6 de4 38.de4 Kf6 39.Rc8 Rb7 40.cb7 1–0. Fournier,Frederic (1905) – aquileo, Active, 2008.

7.Be2 Be6 8.Nbd2 a6 9.a3 c5 (9...Nbd7 10.Ng5=) 10.0–0 (10.bc5!? Qc7 11.cd6 Bd6 12.d4 ed4 13.ed4+/–) 10...cb4= 11.ab4 Qb6 12.Bc3 Nc6 13.Qc2 Rfc8 14.Rfb1 White intends b5 14...Qc7 15.Qb2 Rab8 16.b5 ab5 17.Qb5 Bd7 18.Qb6 Qd8 19.Qd8 Rd8 20.Rb2 Rdc8 21.Rab1 Rc7 22.d4 Bf5 23.Ra1 Bg6 (23...e4 24.Ne1+=) 24.Rba2 (24.de5 Ne4 25.Bd4 Rd7 26.ed6 Bd6 27.Ne4 Be4+/–) 24...Rcc8 (24...ed4!? 25.Nd4 Re8+=) 25.d5 Nd8 26.Bd1?? (better is 26.Ne5!? de5 27.Be5+–) 26...Ne4 (26...Nd5!? 27.Ba5 Nf6+=) 27.Ne4 Be4 28.Nd2 Bg6 (28...Bd5 29.Be5 Bc4 30.Nc4 de5 31.Nb6+=) 29.f3 (29.e4 f5 30.ef5 Bf5=) 29...h6 (29...b5 30.Ra7 Bg5 31.Kf2+=) 30.e4 f6 (better is 30...b5!?=) 31.Be2 Bh7 32.Bb4 f5 33.Rc1 1–0. Fournier,Frederic (1735) – jhosuanet(C), Active, 2008.

7.Be2 Nbd7

8.Nbd2 a6 9.a3 c5 10.h3 Bh5 11.0–0 Re8? (11...b5 12.Rc1=) 12.e4 (better is 12.g4 Ng4 13.Ne1+/–) 12...b5= 13.cb5 ab5 14.Nb3 cb4 15.ab4 Ra1 16.Qa1 d5 17.ed5 (better is 17.g4!? Bg6 18.Ne5 (worse is 18.Be5 de4 19.de4 Be4–/+) 18...Ne5 19.Be5 Bb4 20.Qd4=) 17...Nd5–/+ 18.Qd1 Bb4 19.Ne5 (better is 19.d4 Bc3 20.de5 Bb2 21.Qd5 Ne5 22.Qb5 Nf3 23.Bf3 Bf3 24.gf3–/+) 19...Be2 (19...Ne5?! 20.Bh5 Nf4 21.Be5 Re5 22.Bf3–/+) 20.Qe2 Qe7?? (better is 20...Ne5 21.Be5 f6–+) 21.d4 Ne5 22.de5 Nc3 23.Bc3 Bc3 24.Qb5 Qe5 25.Qe5 Re5 26.Nc1 h6 27.Nd3 Re8 28.Rc1 Bf6 29.Re1 Re1 30.Ne1 Bd4 31.Kf1 Kh7 32.Nf3 Ba7 33.Ke2 g5 34.g4 Bb8 35.Nd4 Bf4 36.Nf5 Kg6 37.f3 f6 38.Kd3 h5 39.Ke4 hg4 40.hg4 Kf7 41.Kd5 Be5 42.Ne3 Ke7 43.Nc4 Bf4 44.Nb6 Bh2 45.Nc4 Bg3 46.Ne3 Bf4 47.Nc2 Bh2 48.Nd4 Bf4 49.Nc6 Kf7 50.Nd8 Ke7 51.Ne6 Be5?? (51...Bd6 52.Ng7 Be5 53.Kc4=) 52.Ng7?? (better is 52.Ng5 Bg3 53.Ne6+–) 52...Bf4 53.Ke4 Kd6 54.Kf5 Ke7 55.Nh5 Be5 56.Ng7 Kf7 (better is 56...Bf4!?=) 57.Ne6+/– Bh2 58.Nc5 (better is 58.Ng5 fg5 59.Kg5+=) 58...Bg3? (better is 58...Bc7=) 59.Ne4+– Be5 60.Nf2?? (60.Ng5!? Ke7+–) 60...Ba1 (better is 60...Bd4!? 61.Nd3 Be3=) 61.Nh3+/– Be5 (61...Bc3!? 62.Ng5 fg5 63.Kg5 Ke6+/–) 62.Ng5!+– (62.Ng5 Ke7 63.Ne4+–) 1–0. Fournier,Frederic – BADBOY77(C) (1655), Active, 2008.

8.Nbd2 Re8 9.0–0 Nf8 10.h3 Bh5 11.e4 Ng6 (11...Ne6 12.Qc2=) 12.g3 (better is 12.g4!? Ng4 13.Ne1 Nf2 14.Rf2 Be2 15.Qe2+=) 12...Bf3 13.Nf3 Qd7 14.Kg2 h6 15.Nh2 c6 16.a4 Qe6 17.Ng4 Rad8 18.Nf6 Qf6 19.Bc3 (19.f4!? d5 20.fe5+/–) 19...d5= 20.cd5 cd5 21.ed5 Rd5 22.Bf3 (22.Qb3 Qg5 23.Bb2 Red8+=) 22...Rd7 23.Be4 Red8 24.Qb3 Nf8 (better is 24...Qg5 25.Kh2 Bd6=) 25.f4+– Qe6 26.Qe6 (26.fe5?? Qb3 27.Rfc1 Bb4–+) 26...Ne6 27.fe5 Ng5 28.Bf5 Rd5 (28...Rc7 29.Bd2 g6 30.Bg5 Bg5 31.Be4+=) 29.d4 g6 (29...Ne6 30.Be6 fe6 31.Rf3+/–) 30.Bd3 (30.Bc2 R5d7 31.Rac1 Rc7+–) 30...Ne6 (better is 30...Bb4!? 31.Bb4 Rd4+/–) 31.Bc4+– R5d7 32.d5 Ng7 (32...Rc7 33.de6 Rc4 34.ef7 Kg7+–) 33.d6 Bf8 (33...Bd6 34.ed6 Nf5 35.Rf5 gf5 36.Be5+–) 34.Bd4 (34.Bb5 Nf5 35.Rae1 Bg7 36.Bd7 Rd7+–) 34...Rc8 (34...Nf5 35.Bf2 Bd6 36.ed6 Nd6 37.Bd3+–) 35.Rac1 a6 (35...Ra8 36.Rcd1+–) 36.b5 (better is 36.Bf7 Rf7 37.Rc8 Ne6+–) 36...ab5 37.Bb5 Rdd8 38.Bb6 Ne6 39.Bd8 Rd8 40.Rc7! Bg7 (40...Nc7 41.dc7 Double attack (41.dc7 Passed pawn)) 41.Rff7 Nc7 42.Rc7 (better is 42.dc7 Rc8 43.Rd7 Rc7 44.Rc7 Be5 45.Rb7+–) 42...Be5 43.Rd7?? (better is 43.Rb7 Bd6 44.a5+–) 43...Rd7= 44.Bd7 Bd6 45.Bc8 b6 46.Bd7 Kg7 47.Bb5 Kf6 48.Kf3 g5 49.g4 Ke5 50.Be8 Bc5 51.Bb5 Bd6 52.Be8 Bc5 53.Bb5 Bd6 ½–½. Fournier,Frederic – Zeros (1855), Active, 2008.

6.d4 ed4

7.ed4 d5 8.c5 b6 (8...Re8 9.Be2 b6 10.0–0 a5+=) 9.Bd3 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 c6 13.Nbd2 Bg4 (13...Ba6 14.Ba6 Na6 15.Qa4=) 14.0–0 Nh5 (14...Re8 15.Qc2=) 15.Qc2+= h6 16.Ne5 Be6 17.f4 Nf6 18.Re1 b5 19.Bc3 Bc8 20.Ndf3 Nfd7 21.Re3 Bf6 22.h3 Ne5 23.Ne5 (23.de5 Be7+/–) 23...Be5 24.Re5 (worse is 24.de5 d4 25.Bh7 Kh8+=) 24...Nd7 25.Re3 Re8 26.Qe2 Kf8 27.Be1 Re3 28.Qe3 Qe7 29.Kf2 Nf6 30.Qe7 Ke7 31.Kf3 Ng8 (31...Ne4 32.Be4 de4 33.Ke4+=) 32.Bh7 (32.f5!?+/–) 32...Nf6= 33.Bd3 Ng8 34.Bh4 f6 35.f5 Kf7 36.g4 Ne7 37.Bg3 h5 38.Bd6 hg4 39.hg4 Ng8 (39...Bd7 40.Bc2+/–) 40.Kf4+/– Nh6 41.g5 Ng8 42.Be2 (42.g6 Ke8+/–) 42...g6 43.fg6 Kg6 44.Bd3 Kg7 45.gf6 Kf6 (45...Nf6 46.Be5 Kf7 47.Bc7+=) 46.Bc7 Ke7 47.Ke5 Nh6 48.Bd6 Kd8 49.Bf8 Ng4 50.Kd6 Bd7 51.Be7 Kc8 52.Bg5 Nf2 53.Bc2 Ng4 54.Bd1 (54.Bf4 Nf6+=) 54...Nf2= 55.Bf3 Nd3 56.Bd2 Nb2 57.Be2 Nc4 (57...Be8 58.Bc1 Nc4 59.Ke7+=) 58.Bc4 dc4 59.d5 cd5 60.Kd5 (60.c6 Bf5+=) 60...Kb7= ½–½. Garcia Piedra,Juan – Fernandez Gonzalez,Sergio, Ch Asturias (team) (B), 1998.

7.Qd4 Be6 (7...Re8 8.Be2 Nc6 9.Qc3 Bg4 10.0–0 a5=; 7...Nc6 8.Qc3 Ne5 9.Ne5 de5 10.Be2 Ne4+=; 7...Bg4 8.Be2 c5 9.bc5 Nc6 10.Qf4 dc5=) 8.Bd3 Nc6 9.Qc3 Ne5 10.Ne5 de5+=.

7.Nd4 Nc6 8.a3 (8.Nc6 bc6 9.Bd3 d5=) 8...Nd4 9.Qd4 Ne8 10.Nc3 Bf6 11.Qd2 Be6 12.Be2 g6 (12...Be5!?=) 13.0–0+= Bg7 14.Rac1 Qh4 15.Nd5 Bb2 16.Qb2 c6 17.g3 Qd8 18.Nf4 Qf6 19.Qf6 (19.Ne6?? Qb2 (worse is 19...Qe6 20.Bf3+=; worse is 19...fe6 20.Qf6 Nf6 21.f4=) 20.Nd4 Qa3–+) 19...Nf6 20.Rfd1 Rfd8 21.Bf3 Bg4 22.Kg2 Bf3 23.Kf3 Kf8 (23...g5 24.Ne2+=) 24.Rc2 (24.h4 a5+=) 24...Ke7 (24...g5 25.Nd3=) 25.Ke2 (25.h4 a5+=) 25...Rac8 26.f3 ½–½. Izoitko,Alexey – Skrenev,Sergey (2155), St Petersburg White Nights op, 2004.

7.Nd4 d5 8.a3 c6 9.Nd2 a5 10.b5 c5 11.N4f3 Be6 12.Qc2 Nbd7 13.Be2 Nb6 14.0–0 dc4 15.Nc4 Nc4 16.Bc4 Bc4 17.Qc4 Qd5 18.Qc2 Rfd8 19.Rac1 Rac8 Black prepares c4 20.Rfd1 Qh5 21.h3 Rd1 22.Rd1 c4 23.Be5 Ba3 24.Bf6 gf6 25.Qc3 Bb4 26.Qf6 Qg6 (26...c3!? 27.Rd8 Rd8 28.Qd8 Kg7 29.Qd4 Kg8 30.Qd8 Kg7 31.Qd4 Kg8 32.Qd8=) 27.Rd8+= Rd8 28.Qd8 Bf8 29.Qa5 Qb1 30.Kh2 Qd3 31.Nd4 h6 (31...Bd6!? 32.g3 Qf1 33.Qd8 Bf8 34.Qg5 Bg7+=) 32.Qc7+– c3 33.Qb7 Bd6 (33...Qd2 34.Qc7 Qb2 35.b6+–) 34.g3 Be5 35.Qc8 Kh7 36.b6?? (36.Nf3 Qc2 37.Kg2+– (37.Ne5?! Qf2 38.Kh1 Qf1 39.Kh2 Qe2 40.Kg1 Qe3 41.Kf1 Qe5=)) 36...Bd4+/– 37.ed4 Qd4 (better is 37...Qc2!?=) 38.Qf5+/– Kg7 39.b7 Qd6?? (better is 39...Qb6+/–) 40.Qg4+– Kh7 (40...Kf6 41.Qc4 c2 42.Qc3 Ke7 43.Qc2 Qb6 44.Qe4 Kf8+–) 41.Qc4 Kg6 42.Qc3 (better is 42.Qc8 Qb6 43.Kg2+–) 42...Qb6 43.Qf3 f5 44.Kg2 Qc7 (44...h5 45.g4 hg4 46.hg4+–) 45.Qd5 Kf6 46.Qb5 Qb8 47.Qa6 Kg5 48.Qa8 (48.f4 Kh5 49.g4 fg4 50.Kg3 Qg8 51.b8Q Qb3 52.Qb3 gh3 53.Qd5) 48...Qd6 49.h4 Kh5 50.Qe8 Qg6 51.Qg6 (51.b8Q Qf7 52.Qf7 Kg4 53.Qg6) 51...Kg6+– 52.b8Q f4 1–0. Derevianchenko,Ilia – Andrienko,Petr, UKR–ch sf U16, 2008.

7.Nd4 Bd7 8.Bd3 Nc6 9.Qb3 Nd4 10.ed4 a6 11.0–0 b5 12.Nc3 bc4 13.Bc4 c5 14.dc5 dc5= 15.bc5 Bc6 16.Rad1 Qc7 17.Na4 Ba4 18.Qa4+/– Qc5 19.Rd3 a5 20.Rg3 Rac8 21.Bd3 Nh5 22.Qg4 g6+= 23.Bf5?? Rc6 24.Qh5+– Bf6 25.Bg6 Qh5?? 26.Bh5 Kh8 27.Bf6 Rf6 28.Ra3 Rf5 29.Bf3 Rb8 30.h3 (30.h3 Kg7 31.g4+–; 30.Rd1 Rc5+–) 1–0. McGhee – hansson, ChessWorld.net, 2004.

7.Nd4 Ne4 8.Bd3+= f5 9.Qf3 (9.f3 Ng5+=) 9...Nc6 10.Nc6 bc6 11.Be4 fe4 12.Qe4 Bh4 (12...Rb8 13.a3+=) 13.0–0+/– Bb7 (13...d5 14.Qd4 Qe7 15.cd5+/–) 14.Nd2 Bf6 15.Bf6 Qf6 16.Rad1 (16.Qd4 Qg6 17.c5 a5+/–) 16...Rab8 (16...a5 17.b5 Rae8+/–) 17.Qd4 (17.Qd3 c5 18.bc5 Qg5+/–) 17...Qg6 (better is 17...Qd4!? 18.ed4 Ba6=) 18.f3 a6 (18...Ra8 19.Qe4 Qh6 20.Qd3+/–) 19.g3 (19.c5 Bc8+/–) 19...Bc8 (19...Qc2 20.e4+/–) 20.a3 (20.c5 Bh3 21.Rf2 Rb5+/–) 20...Bh3 21.Rfe1 Qh5 (21...a5 22.ba5 c5 23.Qd5 Kh8 24.Qc6+/–) 22.Qa7+– Bc8?? (better is 22...Rfc8+–) 23.Qb8 Qf7 24.Qa7 Qd7 (24...h5 25.e4+–) 25.Qa8 (25.e4 Rf7+–) 25...c5 (25...h5 26.e4+–) 26.bc5 dc5 (26...Kh8 27.Qa7 Kg8 28.e4+–) 27.Qd5 Kh8 (27...Qe6 28.Ne4+–) 28.Qc5 (better is 28.Qd7 Bd7 29.Ne4 Be6+–) 28...Qd6 (28...Qf7 29.e4+–) 29.Ne4 (29.Qd6!? cd6 30.Ne4 Be6 31.Nd6 Rf3+–) 29...Qc5 30.Nc5 Rf3 (30...Kg8+–) 31.Rd8 1–0. marekt – theeprasert, gameknot.com, 2001.

7.ed4 Re8

8.Be2 a5 9.b5 d5 10.0–0 dc4=.

8.Be2 d5 9.a3 (9.Qb3 dc4 10.Qc4 Be6–/+) 9...dc4 10.0–0 Be6 11.Nc3 c6 (11...a5 12.ba5 Nc6 13.Ne5 Na5 14.Re1–/+) 12.Qc2 Nbd7 (12...a5 13.ba5 Ra5 14.Rfe1–/+) 13.Rad1 Qc7 (13...a5 14.b5 Bd5 15.bc6 bc6 16.Ne5+=) 14.Rd2 (14.Rfe1 Bd5–/+) 14...Nb6 15.Ng5 (15.Re1 Nfd5–/+) 15...Bd6 16.h3 Bh2 (16...Bd5 17.Nd5 Bh2 18.Kh1 cd5 19.g3=) 17.Kh1 Bd5 18.Nd5 cd5 (worse is 18...Nfd5 19.Qh7 Kf8 20.Qh8 Ke7 21.Qg7+–) 19.Bc1? (19.g3 h6 20.Nf3 Bg3 21.fg3–/+) 19...Bf4–+ 20.Rdd1 Bc1 21.Rc1 Ne4 (21...Qf4 22.Nf3–+) 22.Ne4–/+ de4 Opening the c–file gets White a lot of play (better is 22...Re4!? 23.Bd3 Rd4 24.Bh7 Kh8–/+) 23.Bc4+= Nc4 (23...Rac8 24.Bd3 Qf4 25.Qb1 Rc1 26.Qc1 Qc1 27.Rc1 ed3 28.Rd1–+) 24.Qc4= Qc4 (24...Qf4 25.Qd5 Qf6 26.Rc7=) 25.Rc4+= Rac8 26.Rfc1 Rc4 27.Rc4 f5 (27...b5 28.Rc5 Rd8 29.Rb5+/–) 28.Kg1 (28.Rc7 e3 29.fe3 Re3 30.Rb7 Ra3+=) 28...Kf7 (28...Rd8 29.b5=) 29.Kf1+= g6 (29...b5 30.Rc5 Rd8 31.Rb5+/–) 30.g3 (30.Rc7 Re7 31.Re7 Ke7+=) 30...Ke6 (30...b5 31.Rc7 Re7 32.Re7 Ke7 33.Ke2=) 31.Ke2 (31.Rc7 Re7 32.Re7 Ke7+=) 31...Kd7 (31...Kd5 32.Rc7 Kd4 33.Rb7+=) 32.h4 (32.d5 b5 33.Rc5 a6+=) 32...Rc8 (32...b5 33.Rc5 a6 34.Ke3=) 33.Rc5 (33.Rc8 Kc8 34.f3 ef3 35.Kf3 Kd7+=) 33...Rc5 (33...Rc6 34.d5 Rd6 35.Ke3=) 34.dc5 (34.bc5!? b6 35.Ke3+=) 34...Kc6 35.a4? (35.h5 g5=) 35...a6 (35...a5 36.ba5 Kc5 37.Kd2–/+) 36.Ke3? (36.Kd2 a5 37.Kc3 Kd5+=) 36...b6 (36...a5 37.f3 ef3 38.ba5 Kc5 39.Kf3 Kb4–+) 37.cb6+/– Kb6 38.Kd4 (38.g4 h6 39.h5 gh5 40.gf5+–) 38...Kc6= 39.Ke5 a5? (better is 39...Kd7+=) 40.b5+– Kc5 (40...Kd7+–) 41.Kf6 (better is 41.g4!?+–) 41...Kb4?? (better is 41...Kd5+/–) 42.b6+– (42.b6 e3 43.fe3 Ka4 44.b7+–) 1–0. Postollec,Joel – Felentain,JM, FRA–ch op–B Paris, 1994.

7.Nd4 c5

8.Nc2 a5 9.b5 Re8 10.Bd3 Bg4 11.Qd2 d5 12.0–0 Ne4 13.Qe1 Be6 14.f3 Bf6=.

8.Nc2 cb4 9.Nb4 Qb6 =.

8.Nc2 cb4 9.Nb4 Nc6 10.Nd5 Nd5 11.cd5 Bf6 12.Nc3 Ne7 13.Qb3 Qa5 14.e4 Be5=.

8.Nc2 Qb6 9.b5 (9.a3 Nc6 10.b5 Ne5 11.Be2 Be6 12.Nd2 Bf5 13.0–0 a6 14.a4 ab5+=; 9.Bd3 cb4 10.0–0 Nc6 11.Nd2 Bg4 12.f3 Be6 13.Nd4 Rac8 14.Rc1 Rfe8–/+; 9.Bc3 Nc6 10.b5 Ne5 11.Be2 Ne4 12.f4 Nd7 13.0–0 Bf6 14.Bf6 Ndf6=/2) 9...Bg4 10.Be2 Be6 11.a4 d5 12.cd5 Nd5 13.0–0 Rd8 14.a5 Qc7=.

8.Nc2 Nc6 9.b5 Ne5 10.Be2 Qa5 11.Qd2 Qd2 12.Nd2 Bf5 13.0–0–0 Rfe8 14.h3 Rad8=.

8.Nc2 Be6 9.a3 d5 10.cd5 Nd5+=.

8.Nc2 Be6 9.a3+= Nbd7 10.Nd2 d5 11.bc5 Nc5 12.Nd4 Bg4 13.f3 Bd7 14.Be2 Re8+=.

8.Nc2 Be6 9.Nc3 Nbd7 10.Rb1 Nb6 11.Qf3 cb4 12.Nb4 Nc4 13.Ba1 Qc7 14.Bc4 Bc4–/+.

8.Nc2 Be6 9.bc5 dc5 10.Nd2 Qa5 11.Bd3 Rd8 12.Qe2 Qb6 13.Nb3 Nc6 14.0–0 Qc7+=.

8.Nc2 Be6 9.Nd2 Nbd7 10.Rb1 cb4 11.Nb4 d5 12.Bd4 Re8 13.cd5 Nd5 14.Nd5 Bd5+=.

8.Nc2 Be6 9.Qf3 Nc6 10.b5 Na5 11.Nd2 a6 12.ba6 Ra6 13.Qg3 Nc6 14.a3 Re8+=.

8.Nc2 Bf5 9.Bd3= Bd3 10.Qd3 Nc6 11.a3 Ne5 12.Qe2 Qc8 (12...cb4 13.ab4 Qc7 14.Nd2 d5+=) 13.Nd2 Nfd7 (13...Qe6 A) 14.f4 Qf5= (14...Nc6 15.e4=); B) 14.e4 a5=) 14.0–0 Re8 (14...cb4 15.Nb4 Nb6 16.Bd4+=) 15.e4 Bf6 16.Ne3 Nc6 17.Bf6 Nf6 18.b5 (18.Nd5 Nd5 19.cd5 Nd4=) 18...Nd4 19.Qd3 Qe6 20.f3 Nd7 (20...Re7 21.Rad1=) 21.Nb3 Nb3 ½–½. Sautkin,S (2060) – Faerman,I (2245), Open Olomouc CZE, 2008.

8.bc5 dc5 9.Nb5 Qd1 10.Kd1 Na6 11.a3 Ng4 12.Ke1 Be6 13.Be2 Rfd8 14.h3 Nf6 15.Nd2 Rd7 16.Rd1 Nc7 17.Nc7 Rc7 18.g4 Nd7 19.f4 f6 20.h4 White plans g5 20...Re8 21.Kf2 Nb6 Attacking the isolated pawn on c4 22.Rc1 Bf7 23.g5 Rd7 24.Nf1 Bd8 25.gf6 Bf6 26.Bf6 gf6 27.h5 h6 28.Rc2 Nc8 29.Ng3 Nd6 30.Rd1 Red8 31.Rcd2 (31.Bg4!? Ne4 32.Ne4 Rd1 33.Bd1 Rd1 34.Nf6 Kg7 35.Ne4+=) 31...f5= 32.Ke1 Be6 33.Bf3 Kf7 (33...Nc4? 34.Rd7 Rd7 35.Rd7 Bd7 36.Bd5 Kg7 37.Bc4+–) 34.Bd5 Ke7 (34...Nc4? 35.Bc4 Rd2 36.Rd2 Rd2 37.Be6 (37.Kd2?! Bc4 38.Nf5 Kf6+/–) 37...Ke6 38.Kd2+–) 35.Be6 Ke6 36.Rd5 The isolani on f5 becomes a target 36...Nc4 37.Rd7 Rd7 38.Rd7 Kd7 39.Nf5 ½–½. Casero Alcaniz,Pablo (2125) – Blazquez Gomez,Juan Carlos (2265), Cullera op–A, 2004. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 e5 4.c4 Be7 5.e3 0–0 6.d4 ed4 7.Nd4 c5)

6.d4 Nbd7

7.Qb3 e4 8.Nfd2 a5 9.Nc3 b6 (9...ab4 10.Nce4 Ne4 11.Ne4=) 10.Nde4 (10.ba5 ba5 11.Qc2 c6+=) 10...Ne4 11.Ne4 c5 (better is 11...ab4!? 12.Bd3 f5=) 12.ba5 Ra5 13.Bd3 Bb7 (13...cd4 14.Bd4 Nc5 15.Nc5 dc5 16.Bb2+/–) 14.0–0 (14.Bc3 Ra6 15.0–0 cd4 16.Bd4 Nc5 17.Nc5 dc5+/–) 14...Qa8 15.d5 Ne5 (better is 15...b5!?+/–) 16.Be5+– de5 17.d6?? (better is 17.Qb6 Rb8 18.Qc7+–) 17...Bd8+/– 18.f3 f5 19.Ng3 f4 20.ef4 ef4 21.Ne4 Bh4? (better is 21...Ra3!? 22.Qc2 Rf7+/–) 22.Qb6+– Bd8 23.Qb3 Ra3 24.Qc2 Bc6 25.Kh1 Ba4 26.Qb1 Qc6 27.Rf2 (27.Bc2 Re3+–) 27...Ba5 28.Bc2 Bb4 29.Ba4 Ra4 30.Qd3 Ra3 31.Qc2 h6 32.Rd1 Rf7 33.Rd3 Ra6 34.Qb2 Rfa7 35.Qb1 Qd7 36.Rb2 Ra5 37.Kg1 Ra8 38.Rdb3 Qf7 39.Nd2 (39.Qc2!? Qd7+–) 39...Qe6 40.Rd3 Rd8 41.Rd5 (41.Ne4 Qc4 42.Qc2 Qe6+–) 41...Rd6+/– 42.Rb4 cb4 43.Ra5 Rd2 44.Rb5 Kf7? (better is 44...Qd7!? 45.Qf1 Qd6+=) 45.Rb4+– Qe3 46.Kh1 Qc5 47.a3 Re2 48.h3 (48.Rb5 Qd6+–) 48...g6 49.Rb6 (49.Rb7 Re7+–) 49...Qg5 Threatening mate... how? 50.Rb7 Kg8 ½–½. Scheuer,P – Beutel,Heinrich, BdF, 1988.

7.Nc3 =.

7.Be2 d5 8.c5 (8.de5!? A) 8...Ne4 9.c5 (9.a3 Nb6 10.cd5 Qd5 11.0–0 Bf5 12.Nc3 Nc3 13.Bc3 Rfd8 14.Rc1 c5; 9.cd5 Nb6 10.0–0 Nd5 11.a3 Bf5 12.Qb3 Bg6 13.Rd1 c6 14.Nbd2 Nd2; 9.0–0 Nb6 10.cd5 Nd5 11.a3 Bf5 12.Qb3 Be6 13.Qc2 f5 14.Nd4 Qd7) 9...c6 10.Nc3 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 b6 14.b5 Qc7; B) 8...Bb4 9.Kf1+= Ne4 10.cd5 Ndc5 11.Qd4 Ba5 12.Nbd2 Nd2 13.Nd2 Bb6 14.Qc4 c6) 8...e4= (8...ed4 A) 9.Nd4 Ne5 (9...a5 10.a3 ab4 11.ab4 Ra1 12.Ba1 Ne5 13.0–0 b6 14.cb6 cb6; 9...h6 10.Nc3 Ne5 11.0–0 b6 12.f4 Nc4 13.Bc1 Qd7 14.c6 Qd8) 10.Nc3 a5 11.a3 Bg4 12.f3 Be6 13.0–0 Qd7 14.Ncb5 Nc4; B) 9.ed4 a5 (9...b6 10.0–0 bc5 11.bc5 Rb8 12.Qc2 Ne4 13.Nc3 c6 14.Rfb1 Ndf6) 10.ba5 c6 11.0–0 Qa5 12.Nc3 Ne4 13.Qc2 f5 14.Rfe1 Rf6) 9.Nfd2 Nb8 (9...b6 10.Nc3 a5 11.a3 c6 12.0–0 ab4 13.ab4 Ra1 14.Qa1 Qc7) 10.Nc3 b6 (10...Nc6 11.a3 a6 12.0–0 Bf5 13.f3 ef3 14.Nf3 Qd7) 11.h3 (11.0–0 bc5 12.bc5 Nc6 13.Rb1 Rb8 14.Ba3 Rb1) 11...a5 (11...bc5 12.bc5 Nc6 13.Ba3 Rb8 14.0–0 Bf5) 12.a3 bc5 13.dc5 (13.bc5 h6 14.0–0 Qd7) 13...c6 (13...Bf5 14.0–0 ab4) 14.Nb3 (14.0–0 Nbd7) 14...Ba6 (14...ab4 15.ab4 Ra1 16.Qa1=; 14...Nbd7=) 15.Na5+= Be2 16.Qe2 Bc5?? (better is 16...Ra5 17.ba5 Nbd7+=) 17.Nb7+– Qb6 18.Nc5 (worse is 18.bc5 Qb7 19.Nd1 Nfd7–/+) 18...Nbd7 (18...Qc7 19.N3a4 Nbd7 20.0–0+–) 19.Nd7 Nd7 20.Ne4! de4 21.Qg4 f6 22.Qd7 Rfd8 (22...Rfe8 23.Rc1 Qb5 24.Qc6+– (24.Rc6?! Rad8 25.Qc7 Qd3+/–)) 23.Qe6 Kh8 24.Qe4 c5 25.0–0 1–0. Sippenauer,Florian – Wolf,Harald, Regensburg–ch, 1995.

7.Be2 e4 8.Nfd2 =+.

7.Be2 Re8

8.Nc3 c6 9.0–0 e4 10.Nd2 d5 11.Qb3 Nf8 12.cd5 cd5 13.Rfc1 Bf5=.

8.Nc3 c6 9.a3 A) 9...a5 A1) 10.0–0 e4 (10...ab4 11.ab4 Ra1 12.Qa1 e4 13.Nd2 d5=) 11.Nd2 ab4 12.ab4 Ra1 13.Qa1 d5=; A2) 10.Qb1 ab4 11.ab4 Ra1 12.Ba1 ed4 13.Nd4 Ne5=; A3) 10.Bd3 ab4 11.ab4 Ra1 12.Ba1 ed4 13.Nd4 c5=; A4) 10.ba5 e4 11.Nd2 Qa5 12.0–0 d5 13.Qc2 Nf8=; A5) 10.b5 e4 (10...cb5 11.Nb5 e4 12.Nd2 Nb6 13.Rb1 a4+=) 11.Nd2 cb5 12.Nb5 d5 13.c5 Nb8+=; B) 9...Qb6 10.0–0 a6 (10...ed4 11.Qd4 c5 12.Qd2 Ne5 13.bc5 Qc5+=; 10...a5 11.b5 Qc7 12.Rb1 e4 13.Nd2 d5+=; 10...Bf8 11.Qc2 ed4 12.Nd4 a5 13.b5 Ne5+=) 11.Qc2 a5 12.c5 Qc7 13.de5 Ne5=; C) 9...e4 10.Nd2 d5 11.0–0 dc4 12.Nde4 Ne4 13.Ne4 b5=.

8.Nc3 c6 9.a4 e4 10.Nd2 d5 (10...a5 11.b5 d5 12.c5 Rb8 13.0–0 Nf8+=) 11.b5 (11.Qb3 Nf8 12.0–0 Bg4 13.Bg4 Ng4=) 11...Bb4 (11...cb5 12.ab5 dc4 13.0–0 Nb6=) 12.0–0 (12.bc6 bc6 13.0–0 Ba6=) 12...Nb8 (12...cb5 13.ab5 dc4=) 13.Qb3 Bc3 14.Bc3 Bg4 15.Bg4 Ng4 16.h3 Nf6 17.bc6 bc6 18.Qb7 Nbd7 19.Qc6 dc4 20.Qc4 (worse is 20.Nc4 Rc8 21.Qb5 Qc7+=) 20...Rc8 21.Qb3 Rb8 22.Qa3 Qc7 23.Rfc1 Re6 24.Bb4 Qd8 25.Rab1 Re8 26.a5 Nd5 27.Bd6 Rb1 28.Rb1 Qa8 29.Rc1 Rc8? (better is 29...Qd8!?+/–) 30.Ne4+– Rc1 31.Qc1 N5f6 32.Nf6 Nf6 33.Qc7 (33.Qc7 Nd5 34.Qc4+–) 1–0. Kucharkowski,Jens – Andrews,Lutz, 11.DDR–SFM/1, 1986.

8.Nc3 c6 9.d5 Qb6 A) 10.Na4 Qc7 11.0–0 Nb6 12.a3 Bf5 13.Nb6 Qb6=; B) 10.a3 a5 11.Na4 Qc7 12.b5 Nb6 13.Rc1 c5=; C) 10.Ba3 c5 11.Rb1 cb4 12.Bb4 Nc5 13.0–0 Rb8=; D) 10.dc6 bc6 11.a3 Rb8 12.0–0 a5 13.Na4 Qc7=.

8.de5 de5=+ 9.a3 e4 10.Nd4. Adam – Ilzig, Lugau, 1971.

6.d4 e4

7.Nfd2 Bf5 8.Be2 a5 9.b5 d5 10.0–0 a4=.

7.Nfd2 c6

8.a3 d5 9.cd5 cd5 10.Nc3 Nc6 11.Be2 a6 12.0–0 b5 13.Rc1 Bb7 14.Nb3 Rc8 15.Nc5 Bc5 (15...Qc7 16.f3 ef3 17.Bf3 Bc5 18.dc5=) 16.dc5 Ne5? (16...d4 17.ed4 Nd4 18.Nb1 Ne2 19.Qe2+=) 17.h3?? (better is 17.Nb5 ab5 18.Be5+–) 17...Nc4+= 18.Bc4 dc4 19.Qc2 Qd3 20.Rfd1 Qc2 21.Rc2 Rfd8 22.Rcd2 Rd3 23.Ne2 Rcd8 24.Nd4 Rd2 (24...Nd5!? 25.Rd3 ed3+= (worse is 25...cd3 26.Nf5+=)) 25.Rd2+= Nd5? (25...Ba8 26.Kf1+=) 26.Rd1 (26.c6 Ba8 27.Nf5 Kf8+–) 26...c3 (better is 26...Ba8!?+=) 27.Ba1+/– g6 28.Kf1 f5 29.Ke1 Kf7 30.Rc1 f4 31.Ke2 Bc8 32.Bc3 f3 (better is 32...g5!?+/–) 33.gf3+– ef3 34.Nf3 Bh3? (34...Re8+–) 35.Ng5 Kg8 36.Nh3 1–0. Fournier,Frederic (1735) – Loda3811 (2185), ChessOK.com, 2012.

8.Nc3 d5 9.b5 Be6 10.Qb3 (10.bc6 Nc6 11.cd5 Bd5 12.Nd5 Qd5=) 10...Nbd7+= 11.Be2. Adam – Zimmermann, corr, 1971.

7.Nfd2 d5

8.a3 a5 A) 9.ba5 Be6 (9...c6 10.Bc3 Be6 11.c5 Nbd7 12.Be2 Qc7+= ; 9...Ra5 10.cd5 Qd5 11.Nc3 Qc6 12.Rc1 Bg4=) 10.Nc3 c6 11.Qb3 Nbd7 12.cd5 cd5+=; B) 9.b5 c6 (9...Bg4 10.Qa4 c6 11.Nc3 Qc7 12.Rc1 Rc8= ) 10.Qa4 Bd7 11.Nc3 cb5 12.Nb5 Na6=.

8.a3 dc4 9.Bc4 a6 (9...a5!?=) 10.Nc3 Bf5 11.f3 ef3 12.Qf3 (12.gf3?! b5 13.Bb3 Re8+=) 12...Qc8 13.0–0 Bg4 14.Nd5 White gets kings attack 14...Nd5 15.Qd5 Be6 16.Qe4 c6 17.Bd3 The mate threat is Qxh7 17...g6 (17...f5 18.Qf4+=) 18.Bc4 Bd6 19.Be6 Qe6 20.Qe6 fe6 21.Ne4 Be7 22.Rf8 Kf8 23.Rf1 Ke8 24.Nc5 Bc5 25.bc5 Nd7 26.Bc3 Ke7 27.Rb1 Rb8 (27...Ra7 28.Kf2+/–) 28.Ba5 b5 29.cb6 Rb7 30.e4 (30.Bb4 Ke8 31.Bc5 e5+–) 30...Nf6 (30...e5!? 31.de5 Ke6+/–) 31.e5 Nd5 32.Kf2 Kd7 33.Ke2 Kc8 34.a4 Kd7 35.g4 Kc8 (35...g5 36.Kd3+–) 36.h4 Rf7 37.Bd2 Kb7 38.a5 Nf4 39.Kf3 Nh3 40.Ke3 Nf2 41.Rg1 Nh3 42.Rg3 Nf4 43.Ke4 Nd5 44.Rf3 Rf3 45.Kf3 Kc8 46.Bh6 Kb7 47.Ke2 Nb4 48.Bd2 Nc2 (48...Nd5 49.Bg5+–) 49.Kd3 Na3 50.Bb4 Nb5 1–0. Hirtreiter,Michael – Engwicht, BdF, 1988.

8.a3 Bf5 9.cd5 Nd5 10.Nc3 Nc3 11.Bc3 c6 12.Be2 Nd7 13.Bg4 Bg4 14.Qg4 f5 15.Qg3 Nb6 16.d5 (better is 16.Rc1!?+=) 16...Nd5?? (better is 16...Bf6 17.Bf6 Qf6–/+) 17.Qg7 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

8.a3 Bg4 A) 9.Qc2 c6 (9...a5 10.cd5 ab4 11.Ne4 Nd5 12.Bc4 ba3= ) 10.Nc3 Nbd7 11.Rb1 Re8 12.f3 ef3+=; B) 9.Be2 Be2 10.Qe2 c6 11.cd5 cd5 12.Nc3 a5=; C) 9.Qb3 c6 (9...Be6 10.Nc3 c6 11.Be2 Bd6 12.0–0 Qc7= ; 9...Bf5 10.cd5 Nd5 11.Bc4 c6 12.Nc3 Nc3=) 10.Nc3 a6 11.Rc1 b6 12.cd5 cd5=.

8.Ba3 A) 8...Re8 A1) 9.b5 a6 (9...Ba3 10.Na3 a6 11.Qa4 dc4 12.Bc4 Be6= ; 9...Bg4 10.Be7 Re7 11.Qc2 c6 12.Nc3 cb5=; 9...Be6 10.Be7 Qe7 11.cd5 Bd5 12.Nc3 c6=; 9...c6 10.Be7 Re7 11.Nc3 dc4 12.Bc4 a6=; 9...Nbd7 10.Be7 Qe7 11.Nc3 dc4 12.Bc4 Nb6=) 10.Be7 Re7 11.cd5 ab5 12.Qb3 Qd5+=; A2) 9.Be2 c6 (9...a6 10.Nc3 dc4 11.Nde4 Ne4 12.Ne4 Qd5= ; 9...Be6 10.cd5 Nd5 11.0–0 f5 12.Bc4 c6+= ) 10.Nc3 dc4 11.Nc4 b5 12.Na5 Bd6+=; A3) 9.Nc3 Be6 (9...Bg4 10.Qb3 c6 11.b5 Be6 12.cd5 Bd5= ) 10.cd5 Nd5 11.Nce4 a5 12.Nc5 Bc8=; A4) 9.cd5 Nd5 (9...Qd5 10.Qc2 Qd7 11.b5 a6 12.Be7 Qe7= ) 10.Bc4 Nb6 11.Bb3 a5 12.ba5 Ra5=; A5) 9.Qb3 Be6 10.Nc3 Nc6 11.cd5 Bd5 12.Bc4 Bc4=; B) 8...Bg4 B1) 9.Qa4 Nbd7 (9...Be6 10.cd5 Qd5 11.Qc2 Nc6 12.b5 Nb4= ; 9...Bf5 10.b5 Nbd7 11.Be7 Qe7 12.Qa5 Be6= ; 9...Qe8 10.Qe8 Re8 11.b5 a6 12.Be7 Re7=; 9...dc4 10.Bc4 Nbd7 11.Qc2 Nb6 12.Bb3 Bf5=) 10.cd5 Nb6 11.Qc2 Re8 12.h3 Bf5+=; B2) 9.Qc2 c6 10.h3 Be6 11.b5 cb5 12.cd5 Nd5+=; B3) 9.Qb3 c6 (9...Re8 10.Nc3 c6 11.b5 Ba3 12.Qa3 dc4= ; 9...Be6 10.Nc3 c6 11.Rc1 Nbd7 12.b5 dc4=) 10.b5 Nbd7 11.Nc3 dc4 12.Bc4 cb5=; C) 8...Be6 C1) 9.cd5 Bd5 10.Nc3 Nc6 11.Qa4 a6 12.Rb1 Be6+= ; C2) 9.b5 Ba3 (9...a6 10.Be7 Qe7 11.cd5 Bd5 12.Nc3 ab5= ; 9...dc4 10.Bc4 Bc4 11.Nc4 Nbd7 12.Qb3 a6=) 10.Na3 a6 11.Rb1 Qe7 12.Qb3 Rd8+=; C3) 9.Qc1 Nbd7 (9...Re8 10.cd5 Bd5 11.Nc3 c6 12.Nd5 cd5= ; 9...Nc6 10.b5 Ba3 11.Na3 Ne7 12.Be2 Rc8= ; 9...c6 10.Nc3 Re8 11.b5 dc4 12.Bc4 Bc4=) 10.b5 Re8 11.Be7 Qe7 12.c5 a6+= ; C4) 9.Qb3 Nbd7 10.Nc3 c6 11.b5 dc4 12.Bc4 Bc4+=; C5) 9.Qa4 Nbd7 10.b5 Ba3 11.Qa3 a6 12.ba6 Ra6+=; C6) 9.Nc3 Re8 (9...dc4 10.Bc4 a5 11.Qb3 Bc4 12.Nc4 ab4= ; 9...Nc6 10.Qb3 a5 11.b5 Nb4 12.Qb1 Bf5= ) 10.cd5 Nd5 11.Nce4 a5 12.Nc5 Bc8=; D) 8...Bf5 D1) 9.b5 a6 (9...Ba3 10.Na3 Be6 11.Be2 a6 12.c5 Nfd7=) 10.Be7 Qe7 11.ba6 Na6 12.Nc3 dc4+=; D2) 9.Qb3 a6 (9...Be6 10.Nc3 Nc6 11.cd5 Nd5 12.Nd5 Bd5= ; 9...Nbd7 10.b5 Ba3 11.Na3 dc4 12.Bc4 Nb6=) 10.cd5 Nd5 11.b5 Ba3 12.Na3 ab5+=; D3) 9.cd5 Nd5 (9...a6 10.Nc3 Nd5 11.Nde4 Nb4 12.Qb1 N8c6= ) 10.b5 Ba3 11.Na3 a6 12.Bc4 Nb6+=.

8.Qb3 a5 9.a3 =+.

8.b5 dc4 9.Bc4 a6 (9...Nbd7 10.Qc2 Nb6 11.Bb3 Bf5 12.Nc3 Qd7=; 9...c6 10.Nc3 cb5 11.Bb5 a6 12.Ba4 Bb4=) 10.ba6 Na6 11.Nc3 Bf5 12.f3 Bb4=.

8.b5 Be6 9.cd5 Bd5 (9...Qd5 10.Qc2 Bb4 11.a3 Bd2 12.Nd2 c6=) 10.Nc3 Bb4 11.Be2 c6 12.0–0 cb5=.

8.b5 Bg4 9.Qb3 c6 10.bc6 bc6 11.Qb7 Qb6 12.Qe7 Qb2+=.

8.c5 c6 9.Nc3 Bg4 10.Be2 Qd7 11.h3 Be2 12.Qe2 Na6 13.b5 (better is 13.a3!?=) 13...Nb4–/+ 14.0–0 a6 15.bc6 Qc6 16.Rab1 (16.f3!?=) 16...b6+= 17.cb6 Qb6 18.Ba3 Qa5 19.Bb4 Bb4 20.Nb3 Qa3 21.Rfc1 Be7 22.Rc2 Rfb8 23.Qd1 h6 24.Nd2 Rc8 25.Rb3 Qa5 26.Ndb1 (26.Rb7 Rc3 27.Re7 Rac8 28.Rc3 Qc3+=) 26...Rc7 (26...Bd6 27.f3+=) 27.Rcb2 (27.Qd2 Bd6=) 27...Rcc8 28.Rb7 Bd8 (worse is 28...Rc3 29.Nc3 (worse is 29.Re7 Rc6+=) 29...Qc3 30.R2b3+/–) 29.Qb3 Bc7 30.Qb4 Qb4 31.R2b4 Ne8 (better is 31...Ba5!? 32.Rb3 Rc4+=) 32.Nd5+= Bd6 33.Ne7 Be7 34.Re7 Nd6 35.Na3 Rab8 36.Rb8 Rb8 37.Ra7 Rb6 38.g4 f6 39.Kg2 Kh7 40.Kg3 Kg6 41.f3 f5 (41...h5 42.h4+/–) 42.fe4 (42.Kf4 ef3 43.Kf3 fg4 44.hg4 Nc8+–) 42...fe4+/– 43.Kf4 Kf6 44.h4 Rb2? (better is 44...g5!? 45.Kg3 Rc6+/–) 45.Ra6+– Rf2 46.Kg3 Rf3 47.Kg2 Ke7 48.Nc2 Nc4 49.a4 Ne3 50.Ne3 Re3 51.a5 Ra3 52.Ra7 Kf6 53.a6 g5 54.h5 Ke6 55.Ra8 Kd7 (55...Ra2 56.Kg3 Kd5 57.a7 Ra3 58.Kf2+–) 56.a7 Kc6 57.Rc8 Kb7 (57...Kb5 58.a8Q Ra8 59.Ra8+–) 58.a8Q! Ra8 59.Ra8 Ka8 60.Kf2 e3 61.Ke3 Kb7 62.Ke4 Kc7 63.Ke5 Kc6 64.Ke6 Kc7 65.d5 Kd8 66.Kd6 (better is 66.Kf7 Kd7+–) 66...Ke8 67.Kc7 Ke7 68.d6 Ke6 69.d7 Ke5 70.d8Q Kf4 71.Qd4 Kg3 72.Qg7 Kh4 73.Qh6 Kh3 (73...Kg4 74.Qg6 Kf3 75.Qf5 Kg2 76.h6 g4 77.Qg4 Kf1 78.h7 Kf2 79.h8Q Ke1 80.Qhd4 Kf1 81.Qdg1) 74.Qg5 Kg3 75.h6 Kf3 76.h7 Kg2 (76...Ke2 77.Qb5 Kd2 78.Qc4 Ke3 79.Qc3 Ke4 80.h8Q Kf4 81.Qhf6 Kg4 82.Qcf3) 77.h8Q (77.Qe3 Kf1 78.h8Q Kg2 79.Qhh3) 77...Kg3 (77...Kf3 78.Qc3 Ke2 79.Qgd2 Kf1 80.Qa1) 78.Qc3 (78.Qe3 Kg4 79.Qhh3) 78...Kg2 79.Qgd2 Kf1 80.Qcc1 1–0. Yeung,Chun Keung (1660) – Lung,Shun_wai (1805), HKG/C13 (HKG), 2011.

8.cd5 Bb4 9.Bc4 Nbd7 10.Qb3 Qe7 11.a3 Bd2 12.Nd2 Nb6 13.a4 Rd8 14.Be2 (better is 14.Ba3!? Qd7 15.Rc1+=) 14...Nbd5 (worse is 14...Nfd5 15.a5+/–) 15.0–0 a5 16.Ba3 Qe8 17.Rfc1 Bd7 18.Bb2 (18.Qb7 Rdb8 (18...Ba4?! 19.Bc4–/+) 19.Rc7 Rb7 20.Rb7 Bc6–+) 18...Qe6 (18...Rab8 19.Nc4 b6 20.Qc2–/+) 19.h3 (19.Qb7 Rdb8 20.Qa8 Ra8 21.Rc5–+) 19...Qf5 20.Rab1 (20.Qb7?? Rdb8 21.Rc7 Nc7 (worse is 21...Rb7 22.Rb7 Qg6 23.Kh2–+) 22.Qc7 Rb2–+) 20...Qg5 21.Kf1 b6 22.Ba3 Be6 23.Nc4 Rac8 24.Qb5 (24.Qc2 Qg6–/+) 24...Nd7 (24...c6 25.Qb3 Rc7 26.Qc2–/+) 25.Qc6 Nb8 26.Qb7 f5 27.Rb5 (27.Ne5 f4 28.ef4 Qf4–+) 27...f4 –+. Dopper,Johan – Hjortstam,Kurt, corr or03–027, 2003.

8.a3 c6

9.Qc2 Be6 10.Nc3 Nbd7 11.Be2 a5 12.b5 cb5+=.

9.Nc3 a5 10.b5 cb5 11.cd5 b4 12.Nce4 Ne4=.

9.Nc3 Nbd7 10.Be2 a5 11.b5 cb5 12.cd5 b4=.

9.Nc3 Be6 10.Be2 Nbd7 11.0–0 a5 12.b5 cb5 13.cd5 Nd5 14.Nde4 b4 15.ab4 Bb4 16.Nb5=.

9.Nc3 Be6 10.Be2 Nbd7 11.0–0 Qb8 A) 12.h3 A1) 12...Bd6 13.Rc1 (13.b5 Qc7 14.bc6 bc6 15.Rc1 Qa5 16.Nb3= ) 13...Re8 14.Qc2 a6 15.c5 Bh2 16.Kh1 Bc7= ; A2) 12...Re8 13.Rc1 Rc8 14.Qa4 Bd6 15.c5 Bh2 16.Kh1 Bc7+= ; A3) 12...a6 13.c5 Qc7 14.Qc2 a5 15.b5 cb5 16.Bb5=; B) 12.Rc1 B1) 12...a5 13.b5 Bd6 14.h3 Qd8 15.c5 Bb8 16.f4=; B2) 12...Re8 13.cd5 (13.h3) 13...cd5 14.Nb5 Rc8 15.Rc8 Qc8 16.Qb3=; B3) 12...Rc8 13.f3 (13.f4 ef3 14.Rf3 Bg4 15.Rf1 Be2 16.Qe2= ; 13.cd5 cd5 14.f3 ef3 15.Bf3 Bd6 16.h3=) 13...ef3 14.Rf3 Bg4 15.Rf2 Be2 16.Qe2=; C) 12.cd5 cd5 13.f3 ef3 14.Bf3 Bd6 15.h3 Rc8 16.Rc1=.

9.Nc3 Be6 10.Be2 Nbd7 11.0–0 Re8 12.Rc1 (12.Rb1 a5 13.b5 cb5 14.cd5 Nd5 15.Bb5 Nc3 16.Bc3=) 12...a6 (12...a5 13.b5 Rc8 14.c5 b6 15.bc6 Rc6 16.Bb5+=) 13.Qc2 (13.c5 Qc7 14.f3 ef3 15.Nf3 b5 16.cb6=) 13...Bd6 14.c5 Bc7 15.h3 Rb8 16.f3=.

9.Nc3 Be6 10.Be2 Nbd7 11.0–0 Ne8 12.Qb3 (12.cd5 cd5 13.f3 ef3 14.Bf3 Nef6 15.e4 de4 16.Nde4+=; 12.f3 ef3 13.Rf3 Nef6 14.e4 de4 15.Nce4 a5 16.Bc3=) 12...Nb6 (12...Ndf6 13.Rfc1 (13.Rad1 Bd6 14.cd5 Nd5 15.Qc2 f5 16.Nc4=; 13.Rfd1 Nc7 14.Qc2 Bg4 15.Bg4 Ng4 16.cd5=) 13...Nd6 14.c5 Nf5 15.b5 cb5 16.Nb5=; 12...Nc7 13.Rac1 Re8 14.Qc2 a5 15.cd5 Nd5 16.ba5+=; 12...Nef6 13.cd5 cd5 14.f3 Nb6 15.Rac1 Rc8 16.Qd1=) 13.cd5 (13.c5 Nd7= 14.Rab1 Nef6 15.b5 Qc7 16.bc6=) 13...cd5= 14.f3 Nd6 (14...Rc8 15.Rac1 Nd6 16.fe4=) 15.fe4 Ne4 16.Nf3 Bg4 17.Qd1 Nc3 18.Bc3 Rc8 19.Rc1 Nc4 20.Bc4 Rc4 21.Qd3 Bf3 22.Rf3 Qc7 23.Rff1 (23.e4 de4 24.Qe4 Bd6=) 23...Bd6+= 24.h3 Rc8 (24...b5 25.Bb2+=) 25.Bd2= ½–½. Roldan,Antonio – Nash,Chris, IECG, 1999.

9.Nc3 Bg4 10.f3 ef3 11.gf3 Bf5 12.e4 de4+=.

9.cd5 cd5 10.Be2 a5 11.b5 Bd6 12.Nc3 Be6=.

9.Be2 a5 10.ba5 Qa5 11.0–0 dc4 12.Nc3 b5=.

9.Be2 dc4 10.Nc4 b5 11.Na5 Qd5 12.Qc2 Qg5=.

8.Qb3 c6

9.Nc3 dc4 10.Bc4 b5 11.Be2 =+.

9.Nc3 Be6 10.Be2 Qb6 11.a3 Nbd7 (11...Qc7 12.cd5 (12.Rc1 Rc8 13.cd5 cd5 14.f3 ef3 15.Bf3 Qd6 16.b5 Re8 17.0–0=) 12...cd5 13.Rc1 Rc8 14.0–0 Nc6 15.b5 Na5 16.Qa4 Qb6 17.Qd1=; 11...Re8 12.cd5 (12.0–0 Nbd7 13.cd5 cd5 14.Na4 Qd6 15.Nc5 Qc6 16.Rfc1 Nc5 17.bc5=) 12...Bd5 13.Nd5 cd5 14.0–0 Bd6 15.Rac1 Nc6 16.Rc3 Rac8 17.Rfc1=; 11...a5 12.b5 (12.0–0 ab4 13.c5 Qc7 14.ab4 Ra1 15.Ra1 b6 16.cb6 Qb6 17.Ba3=; 12.cd5 cd5 13.ba5 Qc7 14.Qb6 Qb6 15.ab6 Nbd7 16.Nb5 Nb6 17.Nc7=) 12...Qc7 13.b6 Qd7 14.0–0 Re8 15.Rac1 Bg4 16.Bg4 Ng4 17.h3=; 11...Rd8 12.Rc1 (12.cd5 cd5 13.0–0 Nc6 14.Rac1 Bd6 15.Rc2 Rac8 16.Rfc1 a6 17.b5=; 12.0–0 Qc7 13.cd5 Nd5 14.Nce4 Nb4 15.Bc4 Bc4 16.Nc4 Nd5 17.Rfc1=) 12...a5 13.b5 Nbd7 14.0–0 Qa7 15.Qc2 Qb8 16.bc6 bc6 17.cd5=) 12.0–0 (12.Rc1 a5 13.b5 Qa7 14.0–0 Rfc8 15.Qc2 dc4 16.bc6 Rc6 17.Rfd1=; 12.cd5 cd5 13.Na4 Qd8 14.0–0 b6 15.Rac1 Qb8 16.b5 Re8 17.Nc3=; 12.Rb1 Qc7 13.Rc1 Nb6 14.cd5 Nfd5 15.Nd5 Bd5 16.Qc2 f5 17.Nc4=; 12.Qa4 Qc7 13.cd5 cd5 14.Rc1 Qd8 15.0–0 a5 16.b5 Nb6 17.Qc2=) 12...Rad8 (12...Rfe8 13.cd5 cd5 14.Na4 Qd6 15.Nc5 Qc6 16.Rfc1 Nc5 17.bc5=) 13.Rac1 (13.Qa4 a6 14.Rac1 Rfe8 15.Rc2 Qc7 16.cd5 Nb6 17.Qa5=) 13...Rc8 (13...Rfe8 14.cd5 cd5 15.Na4 Qd6 16.Nc5 Rb8 17.f3+=) 14.f3 (14.cd5 cd5 15.Na4 Qd6= 16.Nc5 Rc7 17.f3=) 14...ef3 15.gf3 (15.Rf3 Rfe8= 16.Bd3 Qd8 17.e4=; 15.Nf3 Rce8 16.c5 Qc7 17.Bd3=) 15...Rfd8 (15...Rfe8 16.Bd3= Qd8 17.c5=) 16.Nd1 White intends c5 (16.f4 dc4 17.Nc4= (17.Bc4 Bc4 18.Nc4 Qc7=)) 16...Nf8 (16...dc4 17.Bc4 Bc4 18.Nc4=) 17.e4 (17.c5 Qc7=) 17...h6 (17...de4 18.fe4 c5 19.e5 cd4 20.ef6 d3 21.Nf2 de2 22.fe7 Rd2 23.Rfe1=) 18.c5 (18.e5 Ne8+=) 18...Qc7= 19.e5 (19.Qe3=) 19...N6h7 (better is 19...Nh5!?+=) 20.f4+= Bf5 (20...Qd7 21.Ne3 Bh3 22.Rf3+/–) 21.Qg3+/– Qd7 (21...Re8 22.Ne3 Bd7 23.Bd3+/–) 22.Ne3 Qe6 (better is 22...Rc7!?+/–) 23.Nf5+– Qf5 24.Kh1 (24.Bg4 Qg6 25.Bc8 Qg3 26.hg3 Rc8+–) 24...Qg6 25.Qh3 White prepares f5 25...Rc7? (better is 25...h5+–) 26.Rg1 Qe6 27.f5 (27.Bg4!? f5 28.Bf5 Qf7 29.Qh6 Kh8+–) 27...Qc8 28.Qh6 Bg5? (28...Ng6 29.Qh3 Bg5 30.Rg5 Ng5+–) 29.Rg5 Ng5 30.Qg5 Nh7 (30...f6 31.Qg4+– (31.ef6?! Nh7 32.Qg6 Nf6+–)) 31.Qg4 1–0. Dang Bich Ngoc (2155) – Tran Dang Hong Lien, ch–VIE w, Dong Thap VIE, 2003.

9.Nc3 Be6 10.Be2 Qb6 11.b5 A) 11...Rd8 12.bc6 (12.c5 Qc7 13.0–0 b6 14.bc6 Nc6 15.Nb5 Qd7 16.cb6 Na5 17.Qc3+=; 12.Rc1 Nbd7 13.0–0 a6 14.cd5 cd5 15.ba6 ba6 16.Qb6 Nb6 17.Rc2=; 12.0–0 dc4 13.Bc4 Bc4 14.Nc4 Qc7 15.f3 ef3 16.Rf3 Qd7 17.Ne5+=; 12.Rd1 Qc7 13.cd5 cd5 14.Ba3 Ba3 15.Qa3 Nbd7 16.Rc1 Rac8 17.0–0=; 12.Rb1 Qc7 13.cd5 cd5 14.Ba3 Rc8 15.Be7 Qe7 16.Rc1 Nbd7 17.0–0= ) 12...Qc6 13.cd5 Nd5 14.Bc4 f5 15.Rc1 Na6 16.a3 Kf7 17.Nd5+=; B) 11...Nbd7 12.bc6 (12.0–0 Qc7 13.cd5 cd5 14.Ba3 Ba3 15.Qa3 Rac8 16.Rac1 Qb6 17.Na4+=; 12.Rc1 a6 13.bc6 bc6 14.Qb6 Nb6 15.Rb1 Nc4 16.Bc4 dc4 17.Nde4=; 12.c5 Qc7 13.0–0 Ng4 14.Bg4 Bg4 15.a4 Nf6 16.a5 Be6 17.b6=) 12...bc6 13.Ba3 Ba3 14.Qa3 Rfb8 15.Rb1 Qc7 16.0–0 a5 17.Rb8+=.

9.Nc3 Be6 10.Be2 dc4 11.Bc4 Bc4 12.Qc4 =.

9.Nc3 Be6 10.Be2 Qc7 A) 11.a3 A1) 11...Rd8 12.Rc1 (12.0–0 Bd6 13.h3 Nbd7 14.c5 Be7 15.f4 ef3 16.Rf3 Ne4 17.Ncb1+=) 12...Qd7 13.0–0 a5 14.ba5 Ra5 15.c5 Bg4 16.f3 ef3 17.Nf3=; A2) 11...a5 12.0–0 (12.ba5 Ra5 13.Rc1 dc4 14.Bc4 Bc4 15.Qc4 Re8 16.Nde4 Ne4 17.Ne4=; 12.b5 Nbd7 13.Rc1 Rac8 14.cd5 cd5 15.0–0 Qb8 16.f4 Nb6 17.f5=) 12...Bd6 13.h3 dc4 14.Bc4 Bc4 15.Nc4 ab4 16.ab4 Nbd7 17.Nd2=; B) 11.Rc1 Rd8 12.b5 (12.cd5 Nd5 13.Bc4 Nb4 14.Nce4 Qd7 15.Ba3 a5 16.Be6 fe6 17.0–0=; 12.a3 Qd7 13.0–0 a5 14.ba5 Ra5 15.c5 Bg4 16.f3 ef3 17.Nf3=) 12...Rc8 13.cd5 cd5 14.Ba3 Qd8 15.Be7 Qe7 16.Rc2 Qd6 17.0–0+=.

9.Nc3 Be6 10.Be2 Nbd7 11.0–0= A) 11...Qb8 12.cd5 (12.f4 dc4 13.Bc4 Bf5 14.b5 Qd6 15.a4 Qc7 16.bc6 bc6 17.Rfc1=; 12.a4 Re8 13.cd5 Nd5 14.Nce4 Bb4 15.Ba3 Nf4 16.Qb4 Ne2 17.Kh1 a5=; 12.f3 Bd6 13.f4 dc4 14.Bc4 Bc4 15.Nc4 Qc7 16.b5 Rab8 17.Nd6=; 12.a3 a5 13.ba5 Ra5 14.c5 Ng4 15.Bg4 Bg4 16.h3 Be6 17.Rab1+=; 12.h3 Rc8 13.Rac1 Qd6 14.a3 Rd8 15.c5 Qc7 16.Qc2 Re8 17.b5= ) 12...cd5 13.Rac1 Bd6 14.h3 a6 15.f4 Nb6 16.a4 g6 17.Ba3+= ; B) 11...Re8 12.Rfd1 (12.Rfc1 dc4 13.Bc4 Bc4 14.Nc4 Qc7 15.b5 c5 16.Qc2 cd4 17.Ne4=; 12.a3 dc4 13.Bc4 Bd6 14.f3 ef3 15.Rf3 Qc7 16.h3 Bc4 17.Nc4=; 12.b5 dc4 13.Bc4 Bc4 14.Qc4 Bd6 15.bc6 bc6 16.Rab1 Rb8 17.h3=; 12.Rac1 Bd6 13.cd5 Nd5 14.Nc4 Nc3 15.Qc3 Bc4 16.Bc4 Nb6 17.Rfd1+=; 12.Rad1 Qc7 13.cd5 Nd5 14.Nce4 Bb4 15.a3 Bd2 16.Rd2 Nf4 17.Qc2= ) 12...dc4 13.Bc4 Bd6 14.Be6 Re6 15.d5 cd5 16.Nd5 Rc8 17.Rac1=; C) 11...dc4 12.Bc4 Bc4 13.Nc4 Nb6 14.Nd2 Bd6 15.Nde4 Ne4 16.Ne4 Bh2 17.Kh2=; D) 11...Qc7 12.cd5 (12.a3 a5 13.f3 ef3 14.Nf3 dc4 15.Bc4 Bc4 16.Qc4 Ng4 17.Rae1+=) 12...cd5 13.Rac1 Qd6 14.a3 Rac8 15.f3 ef3 16.Bf3 a6 17.Na4=.

9.Nc3 Be6 10.Be2 Re8 A) 11.a3 A1) 11...Nbd7 12.cd5 (12.0–0 dc4 13.Bc4 Bd6 14.f3 ef3 15.Rf3 Qc7 16.h3 Bc4 17.Nc4=) 12...cd5 13.0–0 Qb8 14.Rac1 a5 15.ba5 Ra5 16.Nb5 Bg4 17.f3=; A2) 11...dc4 12.Bc4 Bd6 13.Qc2 Bd5 14.Rc1 Nbd7 15.Bd5 cd5 16.Nb5 Qb6 17.Nd6=; B) 11.0–0 B1) 11...Qc7 12.cd5 Nd5 13.Nce4 Bb4 14.Bc4 Qa5 15.Qc2 Nd7 16.Nb3 Qd8 17.Nec5=; B2) 11...Nbd7 12.b5 (12.Rac1 Bd6 13.cd5 Nd5 14.Nc4 Nc3 15.Qc3 Bc4 16.Bc4 Nb6 17.Rfd1+=; 12.a3 dc4 13.Bc4 Bd6 14.f3 ef3 15.Rf3 Qc7 16.h3 Bc4 17.Nc4=; 12.Rad1 Qc7 13.cd5 Nd5 14.Nce4 Nb4 15.Bc4 Nd5 16.Nc3 N7b6 17.Nd5= ; 12.Rfc1 dc4 13.Bc4 Bc4 14.Nc4 Qc7 15.b5 c5 16.Qc2 cd4 17.Ne4=) 12...dc4 13.Bc4 Bc4 14.Qc4 Bd6 15.bc6 bc6 16.Rab1 Rb8 17.h3=; B3) 11...dc4 12.Bc4 Bd6 13.Rad1 Qc7 14.h3 Nbd7 15.d5 cd5 16.Nd5 Nd5 17.Bd5=.

9.Nc3 Be6 10.h3 a6 (10...a5 A) 11.b5 A1) 11...Nbd7 12.Be2 dc4 13.Bc4 Bc4 14.Qc4 Qb6 15.Rc1 Bb4 16.bc6 Rac8 17.0–0; A2) 11...Qc7 12.Be2 (12.Rc1 a4 13.Na4 Nbd7 14.Be2 Nb6 15.Nb6 Qb6 16.bc6 Qb3 17.ab3) 12...Nbd7 13.0–0 Bd6 14.c5 Be7 15.Qa4 cb5 16.Nb5 Qc6 17.Rac1; A3) 11...Bb4 12.a3 Bc3 13.Bc3 Nbd7 14.Be2 dc4 15.Bc4 a4 16.Qb2 Bc4 17.Nc4; B) 11.ba5 Qa5 (11...Nbd7 12.Be2 Qa5 13.0–0 Rfc8 14.a4 Qb6 15.Qb6 Nb6 16.c5 Nc4 17.Bc4) 12.Be2 dc4 13.Bc4 Bc4 14.Nc4 Qb4 15.0–0 Na6 16.Nd2 Qb3 17.ab3) 11.g4 (11.Be2 b5 12.cd5 (12.cb5 ab5 13.a4 ba4 14.Ra4 Ra4 15.Qa4 Qb6 16.b5 cb5 17.Nb5) 12...cd5 13.a4 Nc6 14.ab5 ab5 15.Ra8 Qa8 16.Ba3 Rb8 17.0–0) 11...Ne8 (11...a5 12.b5 (12.ba5 Qa5 13.cd5 Nd5 14.Nce4 Nd7 15.Bc4 Qc7 16.Nc3 N7b6 17.Nd5) 12...a4 13.Na4 cb5 14.cb5 Nbd7 15.g5 Ne8 16.h4 Nd6 17.Be2; 11...b5 12.cd5 Nd5 13.Nce4 Nb4 14.Qd1 Nd7 15.a3 Nd5 16.Bd3 Rc8 17.Qc2) 12.a3 (12.Be2 Nc7 13.0–0 Nd7 14.Rac1 h5 15.cd5 Nd5 16.Nce4 hg4 17.hg4) 12...Bh4 (12...h6 13.Be2 Nf6 14.0–0 Nbd7 15.cd5 cd5 16.Rfc1 Bd6 17.Na4) 13.Rh2 (13.Be2 Nf6 14.0–0 Qd6 15.cd5 cd5 16.b5 Nbd7 17.Qb4) 13...Kh8 (13...Qg5 14.0–0–0 Nd6 15.c5 Nb5 16.f4 ef3 17.Nb5) 14.0–0–0 (14.Be2 Nd6 15.Rc1 dc4 16.Qc2 Bd5 17.Kf1) 14...Qd6 15.f4 (15.Rg2 Bg5 16.Re1 b5 17.cd5) 15...ef3 (15...Nd7 16.cd5 cd5 17.Nde4) 16.Nf3 Qg3 (16...Nd7 17.Rg2) 17.Bg2 (17.Be2=) 17...Be7 18.Ne2 Qc7 19.c5 Nd7 20.Nf4 Nef6 21.g5 (better is 21.Ng5!? Ne8 22.Nge6 fe6 23.Rhh1+=) 21...Ne4–/+ 22.h4 Bg4 23.Rg1 f6 24.Ne1 fg5 25.hg5? (better is 25.Be4 gf4 26.Bh7 fe3 27.Rhg2 Bh4 28.Rh1 Be1 29.Qe3+=) 25...Rf4–+ 26.Nd3 (26.Rgh1 Bf5 27.Nf3 Nf2 28.ef4 Qf4 29.Nd2 Bg5–+ (worse is 29...Nh1 30.Rh1 Bg5 31.Rd1–+)) 26...Rff8 27.Ne5 Ne5 28.de5 Ng5 29.Bd5 cd5 30.Rg4 Rf1 31.Kc2 Qd7 32.Rgg2 Qf5 33.Qd3 Rf8 34.e6 Ne6 35.Rh6 Bf6 36.Bf6 Rf6 37.Rf6 Qd3 38.Kd3 Rf6 39.Rd2 g5 40.e4 Rf3 41.Ke2 de4 42.Rd7 Nf4 43.Ke1 Ra3 44.Rb7 e3 (44...e3 45.Kd1 e2 46.Ke1 Ra1 47.Kd2 e1Q 48.Kc2 Qc1 49.Kb3 Ra3) 0–1. Sadeh,S (2200) – Golizadeh,A (2295), 18th ch–IRI, Tehran IRI, 2008.

8.b5 a6

9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.Qb3 cb5 (12...Bg4 13.Bc3+=) 13.cb5 (13.cd5 Bf5+=) 13...Qd6 (13...Be6 14.Be2+=) 14.Be2 (14.Bb2 Bg4+=) 14...Ng4 (14...Bg4 15.Bg4 Ng4 16.h3+=) 15.h3 (15.Bb2 Bh4 16.g3 Be7+=) 15...Nf2+= 16.0–0 Nh3! 17.gh3 Qg3 18.Kh1 Bd6 Threatening mate: Qh2 (18...Qh3 19.Kg1 Qg3 20.Kh1–+) 19.Rf4 Bh3 (worse is 19...Qh3 20.Kg1 Qg3 21.Kh1–+) 20.Bf1 Bf4 21.ef4 Qb3 22.Nb3 Bf1 (22...Bf1 23.Nc3 Rd8–+) 0–1. Dal,P – Kox,Erik, Veldhoven, 1990.

9.a4 ab5 10.ab5 Ra1 11.Ba1=+ Bg4 12.Qc2 c6 =.

9.a4 b6 10.Nc3= Be6 (10...Bb4 11.cd5 Bc3 12.Bc3 Nd5=) 11.Qc2 (11.cd5 Bd5 12.Nd5 Qd5+=) 11...c6 12.Be2 (12.bc6 Nc6=) 12...ab5 13.ab5 Ra1 14.Ba1 cb5 15.cd5 Bd5 16.Bb5 Bb4 17.0–0 Bc3 18.Qc3 Bb7 19.Rc1 Nd5 20.Qc4 f5 21.Qa4 (21.Bb2 Rf7+=) 21...Qg5 (21...f4 22.Ne4 fe3 23.fe3=) 22.Bc4 Kh8 23.Bd5 (23.Qb3 Rd8+=) 23...Bd5= 24.Qb5 Qd8 25.Nc4 Rf6 26.Ne5 f4 27.Bb2 (27.ef4 Rf4 28.Bc3 Rf5+=) 27...fe3= 28.fe3 h5 (28...Rf5 29.Nf7 Rf7 30.Qd5 Qd5 31.Rc8 Rf8 32.Rf8 Qg8 33.Rg8 Kg8 34.d5=) 29.Qe2 (29.Ba3 Bb7+=) 29...Qe8 30.Rc7 Nc6? (better is 30...Kh7+=) 31.Qb5+– Qe6 32.Nc6?? (better is 32.Nd7 Rf7 33.Rc8 Kh7 34.Nf8 Rf8 35.Rf8+–) 32...Qf5–/+ 33.h3 Qf2 34.Kh1 Rg6 35.g4 Qf3 36.Kh2 hg4 0–1. Pommerel,Wim H – Van der Horst, CiF, 1987.

9.a4 Be6 10.cd5 Bd5 11.Nc3 Bb4 12.Qc2 Re8 =+.

9.a4 Bg4 10.Qc2 ab5 11.ab5 Ra1 12.Ba1 c6 =.

9.Qa4 dc4 10.Nc3 c6 11.Bc4 Bd7 12.Qc2 ab5+=.

9.ba6 Na6 10.Nc3 c6 11.Be2 Bf5 12.cd5 cd5+=.

9.Qc2 Bf5 10.cd5 Nd5 11.Nc3 ab5 12.Nce4 Bb4+=.

9.Nc3 ab5 10.cd5 b4 11.Nce4 Nd5 12.Bc4 Nc6=.

9.cd5 ab5 10.Qc2 Nd5 11.Qe4 c6 12.Nc3 f5+=.

9.cd5 ab5 10.Qc2 Nd5 11.Qe4 f5 =+.

6.Be2 a5

7.a3 b6 8.d4 ed4 (8...e4 9.Nfd2=+) 9.Nd4= ab4 10.ab4 Ra1 11.Ba1 d5 12.b5 Bb4 (12...dc4 13.Bc4 Bg4 14.Qc2+=) 13.Bc3+= Bc3 14.Nc3 dc4 15.Bc4 Bb7 16.0–0 Nbd7 17.Nc6 (17.Qe2 Qe7+=) 17...Bc6 18.bc6 Ne5 19.Bb5 Qe7 20.Qb3 Ra8 21.Rd1 Rd8 22.Nd5 Nd5 23.Rd5 Rd5 24.Qd5 Kf8 25.Be2 Ke8 26.f4 Ng6 27.Kf2 Qe6 28.Qb5 Ne7= 29.Bf3 Nf5 30.Qd3+= ½–½. Grau,Jose Maria – Vigil Alvarez,Luis Javier, Equipos Asturias, 1990.

7.a3 e4 8.Nd4 =+.

7.b5+= c5 8.d3= Ne8 (8...Bf5 9.Nc3=) 9.Nc3 f5 (9...Nf6 10.0–0=) 10.0–0 (10.Nd5 Be6+=) 10...Nd7 11.Qb3 Nb6 12.a4 (12.Rad1 Be6=) 12...f4 (12...Be6 13.Qc2=) 13.d4+= White launches an attack 13...fe3 (13...cd4 14.ed4 ed4 15.Nd4+/–) 14.fe3 Bg5? (better is 14...cd4!? 15.ed4 Be6+=) 15.Ne4+– Be3 (15...Bf6 16.dc5 dc5 17.Ne5+–) 16.Qe3 cd4 (16...ed4 17.Qb3 Nf6 18.Bd3+–) 17.Nd4 (17.Qb3 Be6 18.Nfg5 Rf1 19.Rf1 Qe7 20.Ne6 Qe6+–) 17...Rf1 18.Rf1 (18.Bf1 d5 19.Nd2 ed4 20.Bd4 Nd7+–) 18...ed4 (18...Na4 19.Qf3 Qe7+–) 19.Qd4+/– Be6 20.Qf2 The mate threat is Qf8 20...Nd7 21.Qg3 (21.Qe3 Qc8+/–) 21...Qe7 (21...Qb6 22.Kh1 d5 23.cd5 Bd5 24.Nc3+/–) 22.Ng5 Nc5 23.Qe3 Nc7 (23...h6 24.Ne6 Qe6 25.Qe6 Ne6 26.Bf3+–) 24.Bd4 (24.b6 Re8 25.bc7 Qc7 26.Bh5+–) 24...Re8+/– (24...Na4? 25.b6 (25.Ne6?! Ne6 26.Bf3 Rf8+–) 25...Nb6 26.Bb6+– (26.Ne6?! Qe6 27.Qg5 g6+–)) 25.Bc5 dc5 26.Ne6 (better is 26.Bd3!? h6 27.Qe4+–) 26...Ne6+= 27.Bf3 b6 28.Bd5 g6 (28...Kh8 29.Qe6 Qe6 30.Be6+–) 29.Qe5 h6 (29...Qg7 30.Be6 Kh8 31.Qd5+–) 30.Rf6 (30.Rf6 Qg7 31.Re6 Re6 32.Qe6 Kh7 33.g3+–) 1–0. Plock,Joerg – Ertel,Wolfhard, Tierpark op 1st, 1997.

7.b5 Ne4 8.0–0 d5 (better is 8...Nf6!?=) 9.Qc2 c6 10.d3 Nc5 11.Nbd2 (11.Ne5!? dc4 12.dc4+/–) 11...dc4+= 12.dc4 Nbd7 (12...f6 13.Nb3+=) 13.Rfd1 (13.Ne5!? Qc7 14.Ndf3+/–) 13...Qc7+= 14.Rac1 b6 (14...Bd6 15.Rb1=) 15.Ne4 (15.bc6 Qc6 16.Ne5 Qc7+/–) 15...h6 (better is 15...f6+=) 16.Nd4?? (16.Nc5 Bc5 17.bc6 Qc6+–) 16...Nb8?? (16...ed4 17.ed4 Ne4 18.Qe4–/+) 17.bc6?? (17.Nc6 Nc6 18.bc6+/–) 17...Re8?? (better is 17...ed4 18.ed4 Ne4 19.Qe4 Bd6–/+) 18.Nb5+– Qc6 19.Bf3 (better is 19.Nc5 Bc5 20.Be5+–) 19...Ra6?? (better is 19...Bf5 20.Rd5 Nbd7+=) 20.Nf6 (20.Nc5 Qf6 21.Na6 Na6 22.Qe4+–) 20...Bf6?? 1–0. Kossobudzki,Robert – Kusmierek,Jozef. corr 2AMM Poland, 1994.

7.b5 Re8 8.d4 ed4 9.Nd4 Nbd7 10.0–0 Nc5 11.a4 Nfd7 12.Nc3 Nb6 13.Nd5 Nd5 14.cd5 Bd7 15.Qc2 Bf6 16.Bf3 (16.Rac1 Be5=) 16...Be5= 17.Rfd1 f5 (17...Qh4 18.h3=) 18.Ne2 (18.Ne6 Be6 19.Be5 Bf7+/–) 18...Qf6 19.Bd4 Rf8 20.Rac1 b6 21.Be5 Qe5 22.Rd4 Rae8 23.g3 (23.Nf4 Re7+=) 23...g5 24.Qc4 Re7 25.h4 h6 26.Kf1 Qf6 27.hg5 hg5 28.Nc3 Be8 29.Kg2 Rg7 30.Rg1 (30.Rdd1 g4 31.Be2 Rh7+=) 30...Bd7 31.Kf1 Rh7 32.Rh1 Rff7 33.Rh7 Rh7 34.Bg2 (34.Ke1 Kf8=) 34...Be8 (34...Kf8 35.Rd1=) 35.g4 (35.Ke1 Rh2 36.Bf3 g4+=) 35...Rf7 (35...fg4 36.Ne4 Ne4 37.Re4–/+) 36.gf5+= Qf5 Threatening mate: Qxf2 37.Rd2 Rf8 38.Kg1 (38.Ke1 Bh5+=) 38...Bh5 39.Ne4 Qg4 40.Rd4 Qf5 (40...Ne4 41.Re4 Qd1 42.Qf1 Qd5 43.Re7=) 41.Qf1 Bf3 (41...Bg4!?+=) 42.Bf3+/– Qf3 43.Ng5 Qf5 44.Qg2 Rf6 45.Rg4 (45.e4 Qg6+/–) 45...Rg6 46.f3 (46.Rg3 Na4 47.Ne6 Kf7+/–) 46...Qd5+= 47.Ne6 Threatening mate: Rxg6 47...Rg4 48.Qg4 Kf7 49.Qg7 (49.Nc7?! Qe5+=) 49...Ke6 50.Qg8 Ke5 51.f4 (51.f4 Ke4 52.Qg2 Ke3 53.Qd5 Kf4 54.Kf2+–) 1–0. Popov,Sinisa S (2290) – Cividali,Emilio, Porto San Giorgio op, 1992.

7.b5 Bf5 8.0–0 e4 9.Nd4 Qd7 10.Nf5 Qf5 11.d3 Rd8 12.de4 Ne4 13.Nd2 Nd2 14.Qd2 Bf6 15.Bf6 Qf6 16.Bd3 Nd7 17.Qc2 g6 18.Be4 Nc5 19.Bf3 Rab8 20.a4 b6 21.Rfd1 Re8 22.Rd4 Re7 23.Rad1 Rbe8 24.Bc6 Rd8 25.Bd5 Qg7 26.Rf4 Kh8 27.g3 f5 28.Rfd4 Rf8 29.Kg2 Ne4 30.Be4 fe4 31.Re4 Re4 32.Qe4 Qf7 33.Qd4 Kg8 34.Qd5 Kg7 35.Qf7 Rf7 36.Rd4 Rf5 37.f4 h5 38.e4 Rf6 39.Rd5 Kh6 40.e5 de5 41.Re5 Rd6 42.Rd5 Rd5? (better is 42...Re6 43.Kf3 c6+–) 43.cd5 Kg7 44.Kf3 Kf6 45.Ke4 h4 46.g4 h3 47.g5 Ke7 48.Ke5 Kf7 49.d6 cd6 50.Kd6 Ke8 51.Kc6 Ke7 52.Kb6 Kd7 53.Ka5 Kc7 54.b6 Kb7 55.Kb5 Kb8 (55...Kc8 56.Kc6 Kd8 57.b7 Ke8 58.b8Q Kf7 59.Qc7 Kg8 60.f5 gf5 61.g6 f4 62.Qf7 Kh8 63.Qf8) 56.a5 (56.Kc6 Kc8 57.f5 Kd8 58.f6 Ke8 59.b7 Kf8 60.b8Q Kf7 61.Qb3 Kf8 62.a5 Ke8 63.Qg8) 56...Kb7 (56...Kc8 57.Kc6 Kd8 58.b7 Ke7 59.b8Q Ke6 60.Qc8 Kf7 61.a6 Ke7 62.a7 Kf7 63.Qd7 Kf8 64.a8Q) 57.a6 Kb8 (57...Kc8 58.Kc6 Kd8 59.b7 Ke7 60.Kd5 Kf7 61.a7 Ke7 62.b8R Kd7 63.Rb7 Kc8 64.a8Q) 58.Kc6 Ka8 (58...Kc8 59.a7 Kd8 60.a8Q Ke7 61.b7 Kf7 62.Qd8 Kg7 63.Qe7 Kg8 64.b8Q) 59.b7 (59.f5 gf5 60.g6 f4 61.g7 f3 62.g8Q) 59...Kb8 (59...Ka7 60.f5! gf5 61.g6 f4 62.g7 Ka6 63.b8Q f3 64.Qb6) 60.a7! Ka7 (60...Ka7 61.Kc7 Mate attack) 61.Kc7 Ka6 62.b8Q Ka5 63.Kc6 (63.Qb3 Ka6 64.Qb6) 63...Ka4 64.Kc5 (64.Qb2 Ka5 65.Qb5) 64...Ka3 65.Kc4 Ka2 66.Kc3 1–0. Fournier,Frederic (1830) – luisloyola (1860), Active, 2004.

7.b5 Bg4 8.0–0 Nbd7 9.d3 Re8 10.h3 Bh5 (10...Bf5!?=) 11.g4+/– Bg6 12.g5 Nh5 (12...e4!? 13.gf6 Bf6+/–) 13.Ne1+– 1–0. b4_player – dombrovskis, internet, 2014.

7.b5 c6

8.0–0 a4 9.d4 e4 10.Nfd2 =.

8.0–0 cb5 9.cb5 Bd7 (9...Qd7 10.Nc3=) 10.Nc3 Qb6 (10...Bf5 11.d3=) 11.Rc1+= Be6 (11...Bg4 12.d4 e4 13.Nd2 Be2 14.Qe2+=) 12.Ng5 (12.d4 e4 13.Ng5 d5+=) 12...Bd7 (12...Nbd7 13.Ne6 fe6 14.d4+=) 13.Qc2+/– Be8?? (better is 13...Rc8+/–) 14.Nd5!!+– Qd8 (14...Nd5 15.Qh7) 15.Nf6 Bf6 16.Qh7 1–0. Janek – Giert, internet free game, 2017.

8.0–0 c5 9.Nc3 Nbd7 (9...Bf5 10.d3+=) 10.d4+= ed4 (10...Qc7 11.de5 Ne5 12.e4+=) 11.ed4 Re8 12.dc5 (12.Re1 Nb6+=) 12...dc5 (12...Nc5 13.Qd4+=) 13.Re1 b6 (13...Nb6 14.Qc2+=) 14.Nd5 (14.Qc2 Bd6+=) 14...Bb7 15.Ne7 Re7 16.Nh4 (16.Qd6 Re6 17.Qg3 Nh5=) 16...Ne8 (16...Qc7 17.Qd2=) 17.Bf3 (17.Nf5 Re6+=) 17...Re1 18.Qe1 Qh4 (18...Bf3!? 19.Nf3 Nef6+=) 19.Bb7+/– Rb8 (19...Rd8 20.g3 Qg5 21.Bc6+–) 20.Rd1 (20.Bc6 Nef6 21.Bd7 Nd7+/–) 20...Nef6 (20...Rb7 21.Rd7 Rb8 22.Be5+=) 21.Bc6 Nf8 22.Qe2 (22.Qe7 Qg4 23.f3 Qc4 24.Bf6 Qa4+–) 22...Ne6 23.g3 Qh5 (23...Qh6!?+/–) 24.Qh5+– Nh5 25.Be5 Rc8 26.Rd7 Nd4 (26...Nf6 27.Rb7 Rd8 28.Rb6+–) 27.Bd5 (27.Bd4?! cd4 28.Rd4 Nf6+–) 27...Nf6 28.Bf6 (28.Bf6 gf6 29.Rf7+–; 28.Rf7 Nd5 29.Rg7 Kf8 30.Rh7 Nf3 31.Kg2 Ne5 32.cd5 Nf7+=; 28.Bf7?! Kh8 29.Bf6 gf6+–) 1–0. Bulcourf,Carlos – Azzi,A, Buenos Aires, 1995.

8.0–0 Nbd7 9.d4 (9.Nc3 cb5 10.Nb5 e4+=) 9...e4 10.Nfd2 cb5 11.cb5 Nb6 12.Nc3 d5 13.a4 (13.Rc1 Re8=) 13...Be6 14.Nb3 Nc4 15.Bc4 dc4 16.Nd2 Bd5 (16...Bd6 17.Qc2=) 17.Qc2 e4 seems the pivot of the position (17.Rc1 Rc8+=) 17...Rc8 18.Ba3 (18.Rac1 Bd6+=) 18...Bb4= 19.Rfb1 Bc3 20.Qc3 Re8 21.b6 Rc6 22.Bc5 (22.Rb5 Rb6 23.Ra5 Qc7=) 22...Nd7 (22...Ng4 A) 23.Nc4?? Qh4 24.Nd6 Qh2 25.Kf1 Qd6 (25...Rd6?! 26.Bd6 Qd6 27.Qc7–+) 26.Bd6 Rc3–+; B) 23.h3 Ne5 24.de5 Rc5 25.Nb3=) 23.Qa5 (23.Rb5 Nb6 24.Bb6 Rb6 25.Qa5 Ra6+=) 23...Qg5 (23...Nc5 24.dc5 Qf6 25.Ra3=) 24.Ba3 Rg6 (24...Nf6 25.Qc3=) 25.g3+= Nf6 (25...c3!? 26.Qc3 Nb6+=) 26.Rb5+/– Qh5 27.Nc4 Ng4 The mate threat is Qxh2 (27...Bc4 Exploits the pin 28.Rh5) 28.h4 Nf2 Do you see the mate threat? 29.Ne5?? (29.Kf2 Decoy to f2 29...Qf3) 29...Rg3 30.Kf1 (30.Kf2 Qh4 31.Rf1 Qh2 32.Ke1 Re3 33.Kd1 Ra3 34.Qd2 Ra1 35.Rb1 Bb3 36.Kc1 Rc8 37.Nc4 Rc4 38.Kb2 Qd2 39.Ka1 Ra4) 30...Nd3 0–1. Lorenc,Tomas (2160) – Klima,Lukas (2440), Tatry Open Tatranske Zruby SVK, 2006.

8.0–0 Bg4 9.Nc3 Nbd7 (9...cb5 10.Nb5 Nc6 11.d4+=) 10.d4 Kh8 (10...e4 11.Nd2 Be2 12.Qe2=) 11.h3 (11.Qd3 cb5 12.c5 b4 13.cd6 Bd6 14.de5 Ne5 15.Ne5 Be5–/+ (15...bc3?! 16.Bc3 Be2 17.Qe2=)) 11...Bh5 (11...Bf5 12.Rc1=) 12.g4 Ng4? (better is 12...Bg6!?+=) 13.hg4 (13.Nd2 Ne3 14.fe3 Be2 15.Qe2 f5+/–) 13...Bg4 14.de5 (14.Kg2 f5+/–) 14...de5 15.Nh2 (15.Qc2 f5+/–) 15...Bh3 16.Re1 f5 (16...Rc8 17.Rc1+/–) 17.Bf1 (17.bc6 bc6 18.Rb1 Bc5+=) 17...Bf1+= 18.Rf1 (18.Nf1 Nb6 19.bc6 bc6+=) 18...Rf6 (18...Nb6 19.Qe2+=) 19.Qe2 e4 (19...Qe8 20.Rad1+=) 20.Rad1 (20.f3 Rg6 21.Kh1 Bd6+/–) 20...Rg6 (20...Bd6 21.Qh5+=) 21.Kh1+/– Bd6 22.f4 (22.Qh5 Qf8 23.Rg1 Rg1 24.Rg1 Kg8+/–) 22...ef3 (22...Qe7 23.Qh5 Nb6 24.c5 Bc5 25.Qf5=) 23.Rf3 (23.Qf3 Bh2 24.Kh2 Qg5 25.Rd7 Rh6 26.Qh3 Rh3 27.Kh3 Re8–+ (27...Qe3?! 28.Kg2–/+); 23.Nf3?! Rh6 24.Kg1 Rg6 25.Kf2 Bg3 26.Kg2 Bd6 27.Kh1 Rh6 28.Kg1 Rg6 29.Kh1=) 23...Qh4 (23...Rh6 24.Rf2+/–) 24.Qf2 (better is 24.bc6!? bc6 25.Rf5+/–) 24...Qc4= 25.Rd4 Qe6 26.Ne2 (26.bc6 bc6 27.Rh4 Rb8+=) 26...Nf6 (26...Qa2 27.Nc3 Qe6 28.Rh4–/+) 27.Nf4 (27.Rf5 Rh6 28.Rd6 Qd6 29.Bf6 Rf6 30.Rf6 Qf6 31.Qf6 gf6 32.bc6 bc6–/+) 27...Bf4–/+ ½–½. Campora,D – Garcia,P, Benasque, 1995.

8.a4 cb5 9.ab5= b6 (9...e4 10.Nd4=) 10.d4 (10.Nc3 Nbd7+=) 10...ed4 (10...e4 11.Nfd2=) 11.Nd4+= Bb7 (11...d5 12.Bf3+=) 12.0–0 (12.Bf3 Qd7+=) 12...Qc7 (12...d5 13.Nd2+=) 13.Bf3 (13.Nf5 Be4 14.Bf3 d5 15.Be4 de4 16.Ne7 Qe7+–) 13...Rd8 14.Nd2 d5 15.Ra4 (15.Nf5 Ra7 16.Bd4 Bd6 17.Bf6 Bh2 18.Kh1 gf6 19.Bd5 Bf4 20.Bb7 Rb7 21.Qg4 Bg5+–) 15...Bc5 (15...Nbd7!?=) 16.Nf5+= Ne8 17.cd5 Bd5 18.Rh4 (18.Nb3 Bc4 19.Qa1 Bf1 20.Bg7 f6 21.Bf6 Bf8 22.Bd8 Qd8 23.Rg4 Kf7 24.Qf1 Qc7 25.Ba8 Nf6+–) 18...Bf3 (18...Bb7!?+=) 19.Qf3+/– Nd7 (19...Rd2 20.Qh5 h6 21.Nh6 gh6 22.Qh6 f6 23.Qh8 Kf7 24.Rh7 Ke6 25.Qe8 Qe7 26.Re7 Be7+–) 20.Bg7!+– Ng7 21.Nh6 Kh8 22.Qf7 Threatening mate... how? (22.Nf7 Kg8 23.Nh6 Kh8+–) 22...Nh5?? (better is 22...Ne6 23.Qe6 Ne5+–) 23.Rg4 (better is 23.Rh5 Nf6 24.Qc7+–) 23...Rf8 (23...Ndf6 24.Qc7 Rf8+–) 24.Qg8!! (24.Qh5?! Nf6 25.Qg5 Ng4 26.Ng4 a4=) 24...Rg8 A deflection 25.Nf7 1–0. Segal,Naum – Prieditis,E (2475), 1953.

8.a4 cb5 9.ab5 b6 10.d4 e4 11.Nfd2 d5 12.Nc3 Bb7 13.0–0 Nfd7 (13...dc4!? 14.Qa4 Nbd7+=) 14.Nd5 Bd5 15.cd5 f5 (15...Nf6!?+/–) 16.d6!+– Bd6 (better is 16...Bg5+–) 17.Qb3 Kh8 18.Qd5 Bb4 19.Qa8 Bd2 20.Ba3 Bb4 21.Bb4 ab4 22.Rab1 Nf6 23.Rb4 Qe7 24.Ra4 Nbd7 25.Qc6 Ng4 (25...Rd8 26.Bc4+–) 26.Bg4 fg4 27.Ra7 Rd8 28.Qb6! Nb6 (28...Qe8 29.Qc6+–) 29.Re7 Nd5 30.Re4 h5 31.Re5 1–0. Tyhla – Hexeq, internet, 2017.

8.a4 cb5 9.cb5 b6 10.d3 Nbd7 11.Nbd2 Nc5 12.d4 ed4 13.Bd4 Be6 14.0–0 Rc8 15.Qb1 Qd7 16.Rc1 Bf5 17.Qa2 Rc7 18.Nb3 Nfe4 19.Nc5 dc5 20.Be5 Rcc8 21.Qb2 Bf6 22.Bf6 Nf6 23.Rd1 Qe7 24.Qe5 Qe5 25.Ne5 Rcd8 26.Nc4 Rd1 27.Rd1 Bc2 28.Ra1 (better is 28.Rc1!? Ba4 29.Nb6+/–) 28...Rb8= 29.Bf3 1–0. Fournier,Frederic (1715) – tanguero2 (1735), Active, 2006.

8.a4 Bd7 9.h3 (9.0–0 e4 10.Nd4 d5=) 9...h6 (9...e4!? 10.Nd4 d5+=) 10.0–0 e4 11.Nd4 c5 12.Nb3 Bf5 13.d3 Nbd7 (13...d5 14.de4 de4 15.Nc3+=) 14.de4+= Be4 15.Bf3 Re8 16.N3d2 (16.Be4 Ne4 17.Nc3 Nc3 18.Bc3 Bf6+=) 16...Bd3 17.Re1 Ra7 18.Qb3 Ne5 19.Nc3 Bh7 20.Nd5 (better is 20.Be2+=) 20...Bf8?? (20...Nd5 21.Be5 Nb4+= (worse is 21...de5 22.Bd5 Qb6 23.Rad1+=)) 21.Nf6 Qf6 22.Bd5 (better is 22.b6 Raa8 23.Bb7+–) 22...Qg5? (better is 22...Qe7+/–) 23.f4+– Qg3 24.fe5 Bf5 (24...b6 25.e4 Qb3 26.Nb3 de5 27.Bc6+–) 25.e4 (25.e4 Qb3 26.Nb3+–) 1–0. GuestMTMC – fthompsonca, freechess.org, 2017.

8.a4 e4 9.Nd4 =+.

8.Nc3 cb5 9.Nb5 e4 10.Nfd4 =.

8.Nc3 Nbd7 9.d4 e4 10.Nd2 d5 11.0–0 Re8 12.Qc2 Nf8 13.bc6 bc6 14.cd5 cd5 15.Rfc1 Bd7 16.Rab1 Rc8 17.Ba6 Rc7 18.Nb3 Ba4 19.Qe2 Bb3 20.ab3 Bb4 21.Bb5 N8d7 22.Na4 Rc1 23.Rc1 Qb8 24.Nc5 Rc8? (better is 24...Qd6!?+=) 25.Bd7+– (25.Nd7?! Rc1 26.Bc1 Nd7 27.Bd7 Qc7=) 25...Nd7 26.Nd7 Rc1 27.Bc1 Qc7 28.Nc5! Bc5 29.dc5 Qc5 30.Qd2 h6 31.h3 Qb5 32.Qa2 Qd3 33.Bd2 d4 (33...Qe2+–) 34.ed4 Qd4 35.Qa5 1–0. Fournier,Frederic (2590) – Javiervilla (2165), Active, 2004.

8.Nc3 Re8 9.0–0 e4 (9...cb5 10.Nb5 Nc6 11.d4=) 10.Nd4+= c5 11.Nc2 Nbd7 12.d3 ed3 13.Qd3 Ne5 14.Qd2 Be6 (14...Bf5 15.f4 Ned7 16.Bd3+=) 15.Na3 Bf5 16.f3 Ned7 (16...Be6 17.f4 Neg4 18.e4+=) 17.e4 (17.g4 Bg6=) 17...Bg6 18.Rad1 The backward pawn on d6 becomes a target 18...Nb6 19.Nc2 d5 (19...Qd7 20.Ne3+/–) 20.ed5 (20.cd5 Bd6+/–) 20...Bd6 21.f4 Qc7 22.g3 Bh5 23.Ne3 Be2 24.Ne2 (24.Qe2?! Nc4 25.Qc4 Re3=) 24...Ne4 (24...Qe7 25.Nf5 Qe2 26.Nd6 Qd2 27.Rd2+=) 25.Qd3 Qd7 26.Kg2 (26.Nc3 Nf6+/–) 26...h5 (26...Na4 27.Be5 Be5 28.Qe4+=) 27.Nc3 Nf6 28.Nb1 (28.Rfe1 Rad8+/–) 28...Ng4 29.Ng4 Qg4 30.Nc3 (30.Rf3 h4+/–) 30...f5 (30...Qg6!?+=) 31.Rde1 Re1 32.Re1 Bf4 33.Re6 (33.h3 Qg5 34.Rf1 Qg3 35.Qg3 Bg3 36.Kg3 Nc4+–) 33...Bc7 (better is 33...Bd6! 34.h3 Qc4=) 34.d6+/– Bd8 (34...f4 35.Qe4 Bd8 36.Re5+/–) 35.h3 (35.Nd5 Qc4 36.Nf4=) 35...Qc4+/– 36.Qf5 The mate threat is Re8. 36...Bf6 37.Rf6! gf6 38.Qg6 Kf8 39.Qf6 Qf7? (39...Kg8 40.Qg6 Kf8 41.Qf5 (worse is 41.Qh5 Qd3+/–) 41...Qf7 42.Qc5+/–) 40.Qh6 (better is 40.Qh8 Qg8 41.Qh6 Qg7 42.Qg7 Kg7 43.Nd5 Kf7 44.Nb6+–) 40...Ke8 41.Ne4 Qd5?? (better is 41...Nd7+–) 42.Qh8 1–0. Sokolski,Alexey – Flohr,Salomon, Moscow (Russia), 1953.

8.d4 e4 9.Nfd2 a4 =.

7.b5 Nbd7

8.0–0 Nc5 9.d4 ed4 10.ed4 Ne6 11.Nbd2 Nf4 12.Re1 Ne2 13.Re2 Bg4 14.h3 Bh5 15.Qc2 Qd7 16.Rae1 Rfe8 17.Re3 Bg6 18.Qc3 Nh5 19.Ne4 (19.a4 c6+=) 19...Nf6 (19...Be4!? 20.Re4 d5=) 20.Nf6+= Bf6 21.Qd2 (21.Re8 Re8 22.Re8 Qe8 23.Qa5 Qc8+=) 21...Bh5 22.d5 (22.Re8!? Re8 23.Re8 Qe8 24.Qa5 Bf3 25.gf3+=) 22...Bb2+= 23.Qb2 Re3 (23...Bf3!? 24.Re8 Re8 25.Re8 Qe8 26.gf3 Qe1 27.Kg2 Kf8=) 24.Re3+= Bf3 25.Rf3 Re8 26.Rg3 g6 27.Qd2 b6 28.a4 Re4 29.Qc2 Qe7 30.Rd3? (30.Qc3 Qe5=) 30...Re1+= 31.Kh2 Qe5 32.g3?? (better is 32.Rg3–/+) 32…Qe4–+ (32...Qe4 33.f3 Qe5–+) 0–1. Fournier,Frederic (2025) – YUkimura (1790), Active, 2004.

8.d4 ed4 9.ed4 (9.Bd4 Nc5=) 9...d5 (9...a4 10.0–0=) 10.c5 Re8 11.Nc3 b6 12.Ne5 (12.c6 Nf8=) 12...Ne5 (12...bc5? 13.Nc6 cd4 14.Na4 Bb4 15.Kf1 Re2 16.Nd8+–) 13.de5 Ne4?? (13...d4 14.Bf3 dc3 15.Bc3 Be6 16.Ba8 Qa8–+) 14.Qd5+/– Qd5 (14...Nc3 15.Qa8 Ne2 16.Rd1+/–) 15.Nd5+–. Katalymov,Boris N – Vasiliev, Minsk, 1961.

8.d4 e4

9.Nfd2 a4 A) 10.Nc3 a3 (10...d5 11.Na4 Nb6 12.Nb6 cb6 13.Qb3 Bf5 14.0–0 Qd7 15.Rac1 h6; 10...Nb6 11.0–0 Bf5 12.Qc2 a3 13.Bc1 d5 14.c5 Nbd7 15.Qb3 Be6) 11.Bc1 d5 12.0–0 dc4 13.Nc4 Nb6 14.Nd2 Bf5 15.Qc2 Nbd5; B) 10.a3 d5 (10...Nb6 11.Nc3 Re8 12.0–0 Bf8 13.f4 Bd7 14.Qc2 Bf5 15.Rac1 h6; 10...c5 11.Nc3 cd4 12.ed4 d5 13.c5 Qc7 14.0–0 h6 15.Qc2 Rd8; 10...Re8 11.Nc3 Nb6 12.0–0 Bf8 13.f3 ef3 14.Rf3 g6 15.Qf1 Bh6; 10...c6 11.Nc3 d5 12.0–0 Qa5 13.Qc2 h6 14.h3 Bd6 15.c5 Bb8) 11.Nc3 dc4 12.Nc4 Nb6 13.Nb6 cb6 14.0–0 Be6 15.Qb1 Bd5; C) 10.Qc2 d5 (10...Nb6 11.Nc3 Bf5 12.0–0 a3 13.Bc1 d5 14.c5 Nbd7 15.Qb3 Be6; 10...c6 11.Na3 Nb6 12.bc6 bc6 13.Ne4 Ne4 14.Qe4 d5 15.Qf3 Bb4; 10...a3 11.Ba3 Nb6 12.Ne4 Ne4 13.Qe4 Be6 14.Qc2 c6 15.0–0 Qc7) 11.Nc3 a3 12.Bc1 Nb6 13.c5 Nbd7 14.0–0 Re8 15.Qb3 Nf8; D) 10.0–0 a3 (10...d5 11.cd5 Re8 12.Qc2 a3 13.Bc3 Nb6 14.Ne4 Ne4 15.Qe4 Nd5; 10...Nb6 11.Nc3 a3 12.Bc1 Be6 13.Qb3 d5 14.cd5 Nfd5 15.Nce4 Nf4; 10...c6 11.Nc3 d5 12.Na4 Nb6 13.Nc3 Nc4 14.Nc4 dc4 15.Bc4 Qc7; 10...c5 11.Nc3 cd4 12.ed4 a3 13.Bc1 Nb6 14.Nde4 Ne4 15.Ne4 d5; 10...Re8 11.Nc3 d5 12.Na4 Nb6 13.Nb6 cb6 14.Qb3 Be6 15.cd5 Bd5) 11.Bc1 Nb6 12.Nc3 Bf5 13.Qc2 d5 14.c5 Nbd7 15.Qb3 Be6.

9.Nfd2 Nb6 A) 10.Qc2 Bf5 (10...Be6 11.Nc3 d5 12.c5 Nbd7 13.0–0 h6 14.f3 ef3 15.Bf3 Re8; 10...Re8 11.Nc3 Bf5 12.0–0 Bf8 13.Rab1 h6 14.h3 Qd7 15.Rfe1 Bg6; 10...Qe8 11.Nc3 Bf5 12.0–0 Bd8 13.h3 h6 14.a4 Qe7 15.Rfe1 Re8; 10...Bg4 11.Bg4 Ng4 12.Qe4 f5 13.Qb7 d5 14.h3 Rb8 15.Qa7 Ra8) 11.Nc3 d5 12.c5 Nbd7 13.0–0 h6 14.Rac1 Qb8 15.Qb3 Be6; B) 10.0–0 Bf5 (10...Re8 11.Nc3 Bf8 12.f3 ef3 13.Rf3 g6 14.Qf1 Bh6 15.Rf4 Be6) 11.Nc3 d5 12.c5 Nbd7 13.f3 ef3 14.Bf3 Bd3 15.Re1 c6; C) 10.Nc3 Re8 (10...Bf5 11.g4 Bg6 12.g5 Nfd7 13.Nde4 Bg5 14.Rg1 Bh4 15.c5 f5; 10...a4 11.Qc2 Bf5 12.0–0 a3 13.Bc1 d5 14.c5 Nbd7 15.Qb3 Be6; 10...Qe8 11.g4 h6 12.a3 Bd8 13.h4 h5 14.g5 Ng4 15.c5 dc5; 10...c6 11.0–0 Bf5 12.g4 Be6 13.g5 Ne8 14.bc6 bc6 15.Nce4 Bg5; 10...Be6 11.0–0 a4 12.Qc2 a3 13.Bc1 d5 14.c5 Nbd7 15.Rb1 Re8) 11.0–0 Bf8 12.f4 a4 13.Ba3 g6 14.Qc2 Bg7 15.h3 Qe7.

9.Nfd2 c5 A) 10.Nc3 cd4 (10...d5 11.Nd5 Nd5 12.cd5 Nf6 13.Qb3 cd4 14.Bd4 a4 15.Qc4 Bf5) 11.ed4 d5 12.c5 Qc7 13.0–0 h6 14.g3 Rd8 15.Qa4 Nf8; B) 10.Qc2 cd4 (10...Qc7 11.d5 Ne5 12.Be5 de5 13.Nc3 Ne8 14.Nde4 f5 15.Nd2 Nd6; 10...d5 11.0–0 dc4 12.Nc4 Nb6 13.Ne5 cd4 14.Bd4 Bf5 15.Nc3 Rc8; 10...Re8 11.d5 Nb6 12.Nc3 Bf5 13.0–0 Bf8 14.h3 h6 15.a4 Qc7; 10...Ne8 11.Ne4 f5 12.Ned2 f4 13.0–0 fe3 14.fe3 Rf1 15.Nf1 Ndf6; 10...a4 11.0–0 Re8 12.d5 g6 13.a3 Bf8 14.Nc3 Bg7 15.Rab1 Qe7; 10...Qb6 11.0–0 Re8 12.Nc3 cd4 13.ed4 d5 14.cd5 Qd4 15.Nde4 Ne4; 10...h5 11.Nc3 cd4 12.ed4 Nb6 13.Nde4 d5 14.cd5 Nbd5 15.0–0 Nf4) 11.Bd4 Nc5 12.Nc3 Bf5 13.Bc5 dc5 14.Nde4 Qc7 15.Bd3 Be6; C) 10.bc6 bc6 11.Nc3 Rb8 12.Rb1 d5 13.0–0 h6 14.cd5 cd5 15.Qa4 Bb4; D) 10.d5 Re8 (10...a4 11.Qc2 a3 12.Bc3 Re8 13.0–0 Bf8 14.Qb3 Ne5 15.Na3 Bf5; 10...Nb6 11.Nc3 Re8 12.g4 h5 13.gh5 Bf5 14.h6 g6 15.h4 Bf8; 10...Qb6 11.0–0 Re8 12.Nc3 Ne5 13.Nce4 Bf5 14.Qc2 Ne4 15.Ne4 h6; 10...h5 11.0–0 a4 12.Qc2 Re8 13.a3 Ne5 14.Be5 de5 15.Nc3 h4; 10...Ne8 11.Ne4 Nef6 12.Nbc3 Ne4 13.Ne4 f5 14.Ng3 Bf6 15.Bf6 Qf6; 10...g6 11.Qc2 Qb6 12.Nc3 Ne5 13.Nce4 Ne4 14.Ne4 f5 15.Be5 de5) 11.Nc3 Ne5 12.0–0 Nd3 13.Ba3 Nb4 14.Nce4 Ne4 15.Ne4 Bf5; E) 10.0–0 Qc7 (10...cd4 11.Bd4 Nc5 12.Nc3 Qc7 13.Qc2 Bf5 14.h3 h6 15.Rad1 Rfd8; 10...d5 11.cd5 Nb6 12.dc5 Nbd5 13.Nc3 Bf5 14.Nd5 Nd5 15.Rc1 Bf6; 10...Re8 11.Qc2 cd4 12.Bd4 Nc5 13.Nc3 Bf5 14.h3 Ne6 15.g4 Nd4) 11.d5 h6 12.Nc3 Ne5 13.Nce4 Bf5 14.Qc2 Qd7 15.Be5 de5.

9.Nfd2 c6 10.Nc3 d5 (10...Nb6 11.0–0 Bf5 12.g4 Be6 13.g5 Ne8 14.Nce4 cb5 15.cb5 Bg5; 10...cb5 11.Nb5 Nb6 12.0–0 Bf5 13.g4 Be6 14.d5 Bd7 15.g5 Bb5; 10...h6 11.0–0 cb5 12.Nb5 Nb6 13.Qc2 Bf5 14.h3 Qd7 15.Nc3 Rac8; 10...g6 11.0–0 cb5 12.Nb5 Nb6 13.Nc3 Qc7 14.Rc1 a4 15.a3 Be6; 10...Re8 11.0–0 cb5 12.Nb5 Nb6 13.Qc2 Bf5 14.a4 Qd7 15.h3 Rec8; 10...Qc7 11.0–0 d5 12.Rc1 Qd6 13.h3 h6 14.Qb3 Qe6 15.c5 Kh7; 10...a4 11.0–0 d5 12.Na4 Nb6 13.Nc3 Nc4 14.Nc4 dc4 15.Bc4 Bf5; 10...Ra7 11.0–0 d5 12.Rb1 h6 13.Qb3 a4 14.Na4 Qa5 15.Nc3 Nb6; 10...Qb6 11.0–0 Re8 12.Rc1 cb5 13.Nb5 Nf8 14.Rb1 Ng6 15.d5 Qd8) 11.0–0 cb5 (11...a4 12.Na4 Nb6 13.Nc5 Qc7 14.cd5 Bc5 15.dc5 Nbd5) 12.Nb5 (12.cd5!? b4 13.Nce4 Nd5 14.Bd3+= (14.Rc1 N7f6 15.Nf6 Bf6) 14...f5 15.Ng3 N7b6) 12...dc4= 13.Nc4 Nb6 14.Rb1 (14.Rc1 Be6 15.Ne5 Ba2) 14...Nbd5 (14...Nc4 15.Bc4 Be6) 15.a3 (15.Rc1 Be6) 15...Be6 (15...Bd7+=) 16.Qd2 b6 17.Ne5 Bd6 18.Nd6 Qd6 19.Rfc1 Nd7 20.Nd7 (20.Rc6 Qe7+=) 20...Qd7= 21.Rc2 f5 22.Bc4 b5 23.Bd5 Bd5 24.Rbc1 Qd6 25.Rc5 Bc4 (25...Qd7!?=) 26.a4+= Rad8 (26...Qd7!?+=) 27.Qc3+/– (27.Qa5 Ra8 28.Qc7 Qc7 29.Rc7 Ra4=) 27...f4 28.ef4 (28.ab5 Bd3+/–) 28...Qf4 29.Qe3 Qe3 30.fe3 Bd3 31.ab5 Rb8 32.Bc3 Bb5 33.Rb1 Bd3 34.Rb8 Rb8 35.Ra5 Rb1 36.Kf2 Rc1 37.Rc5 Rc2 38.Kg3 Bf1 39.Kf4 Bg2 40.h4 g6 41.d5+– Rf2 42.Kg3 Rc2 43.Rc7 Bf1 44.d6 Bb5 45.Kf4 Rf2 46.Ke4 Rf7 47.Ke5 Ba4 48.Rc8 Rf8 49.Rf8 Kf8 50.Ke6 Bb3 ½–½. Agrest,Roman (2160) – Xie Jun (2570), SCT Simul, Taby SWE, 2007.

9.Nfd2 d5

10.0–0 dc4 (10...a4 11.cd5 Re8 12.a3 Nb6 13.Nc3 Bd6 14.Bc4 Bh2 15.Kh1 Bd6) 11.Nc4 Nb6 12.Nb6 cb6 13.Nc3 Be6 14.Qb1 Bf5 15.f3 ef3.

10.Qc2 a4 (10...dc4 11.Nc3 Nb6 12.0–0 Bf5 13.Nc4 Nc4 14.Bc4 Qd7 15.h3 h6; 10...Bb4 11.a3 Be7 12.Nc3 c6 13.0–0 h6 14.Qb3 Nb6 15.c5 Nc4; 10...c6 11.Nc3 a4 12.Na4 Nb6 13.Nb6 Qb6 14.0–0 Bf5 15.c5 Qc7) 11.cd5 a3 12.Bc1 Nb6 13.Nc3 Bb4 14.0–0 Bc3 15.Qc3 Qe7.

10.Nc3 dc4 11.Nc4 Nb6 12.Ne5 Bd6 13.0–0 Qe7 14.Qc2 Bf5 15.Rac1 a4.

10.Nc3 c6 11.a4 Re8 12.Qb3 Nb6 13.c5 Nbd7 14.0–0 Nf8 15.f3 ef3 16.Nf3 Bg4 17.Ne5 Be2 18.Ne2 Ng6 (18...Rc8 19.e4=) 19.bc6+= Ne5 20.de5 Ne4 (20...Bc5!? 21.cb7 Rb8 22.ef6 Re3+/–) 21.cb7+– Ra6 22.e6! fe6 (22...Re6 23.Nf4 Double attack (23.Nf4 Decoy); 22...fe6 23.Be5 Combination) 23.Be5 White intends b8 23...Nc5 24.b8Q Nb3 25.Qb3 Rb6 26.Qc3 Rb4 (26...Bb4 27.Qd4 Rb7 28.Rac1+–) 27.Nd4 (27.Bg7!? Bd6 28.Be5 Rc4+–) 27...Rc4 28.Qe1 Bh4 29.Qe2 Qg5 30.Qf3 Rcc8 (30...Qg6 31.Rab1+–) 31.Qf7 Kh8 32.Nf3 Qe3 33.Kh1 Rg8 34.Bf4 (34.Nh4?! Qe5 35.Rae1 Qg5+–) 34...Qe2 35.Nh4 Rcf8 36.Qc7 d4 (36...Qc4 37.Qc4 dc4 38.Rf3+–) 37.Qe5 (37.Rf3 Qe4 38.Be5 Rf3 39.gf3 Qe3 40.Rg1 Qf3 41.Nf3 h6 42.Bg7 Kh7 43.Bd4 Rg7 44.Qg7) 37...d3 38.Qe2 de2 39.Rf2 (39.Rf3 Rf6+–) 39...e5 (39...Rf6 40.Be3 Rf2 41.Bf2+–) 40.Rf3 Rf4 (40...Rf6 41.Be5 Rf3 42.Nf3 Rc8+–) 41.Ng6!! hg6 (41...hg6 42.Rh3 Mate attack) 42.Rh3 Rh4 43.Rh4 1–0. Timmermans,Mark (2270) – Gravemaker,Wim Laurens (2095), Amsterdam NED, Science Park Open–A, 2013.

10.cd5 Nb6 (10...Nd5 11.Ne4 N7f6 12.Nf6 Bf6 13.Nc3 Bf5 14.Bf3 Be6 15.0–0 Qd7; 10...Re8 11.Nc3 Nb6 12.0–0 Bb4 13.Qc2 Bf5 14.Nc4 Nbd5 15.Ne5 Nc3) 11.Nc3 Bb4 12.0–0 Bc3 13.Bc3 Nbd5 14.Qb3 Qe7 15.Bb2 Be6.

10.h3 a4 (10...dc4 11.Nc3 Nb6 12.0–0 a4 13.a3 Be6 14.Qc2 Qd6 15.Nde4 Ne4; 10...c5 11.0–0 Nb6 12.dc5 Bc5 13.Nb3 Be7 14.N1d2 Bd7 15.cd5 Nbd5; 10...c6 11.Nc3 a4 12.a3 h6 13.0–0 Qa5 14.Qc2 Re8 15.Rab1 Qc7; 10...h6 11.Nc3 dc4 12.Nc4 Nb6 13.Ne5 a4 14.0–0 a3 15.Bc1 Nbd5) 11.Nc3 a3 12.Bc1 dc4 13.Nc4 Nb6 14.Nb6 cb6 15.0–0 Bf5.

7.b5 e4

8.Nd4 Nbd7 9.0–0 Nc5 10.f3 Re8 (10...ef3 11.Bf3 Nd3 12.Bc3=) 11.Qc2 (11.fe4 Nfe4 12.d3 Nf6+=) 11...Bf8 (11...ef3 12.Bf3 a4 13.Nf5 Bf5 14.Qf5+=) 12.fe4 Nfe4 13.Nc3 Nc3 14.Bc3 Qg5 (14...Ne4 15.Bb2+=) 15.Bf3 (15.Rf4 Bh3 16.Bf3 Be7+=) 15...Qg6 (15...Be7 16.Bd5 Be6 17.Ne6 fe6 18.Bf3+/–) 16.Bd5+/– Be6 (16...Re7 17.Nf5 Kh8 18.e4+–) 17.Qg6+– hg6 (17...fg6?? 18.Ne6 Ne6 19.Bb7+–) 18.Ne6 fe6 19.Bf3 e5 (better is 19...Red8+–) 20.Bd5 Kh7 21.d4 ed4 (21...Na4 22.Bd2 Nb6 23.Bb7 Nc4 24.Ba8 Ra8 25.Rad1+–) 22.ed4 Ne4 (22...Re3 23.Bd2 (worse is 23.dc5 Rc3 24.Rf4 g5+–) 23...Rd3 24.Rf3 (24.dc5?! Rd2 25.Bb7 Rb8+–) 24...Rf3 A) 25.dc5?! Rd3 26.Bf4 A1) worse is 26...dc5 27.Bc7 (worse is 27.Bb7 Rad8=) 27...Rd2 28.a4+= (worse is 28.Bb7 Ra7–/+); A2) 26...c6 27.bc6 bc6 28.Bc6 Rc8+=; B) 25.gf3+–) 23.Rf4 (23.Rf4 Nf6 24.Rh4 Nh5 25.Rh3+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

8.Nd4 c5

9.Nc2 d5+= 10.0–0 (10.d4 ed3 11.Qd3 dc4=) 10...Be6 (10...dc4 11.Bc4 Bg4 12.f3 ef3 13.gf3+=) 11.cd5= Nd5 (11...Qd5 12.Nc3 Qe5 13.f3=) 12.d4 (12.d3 Bf6 13.Bf6 Qf6=) 12...Bf6 (12...Nd7 13.Nd2 Bd6 14.Ne4 Bh2 15.Kh2 Qh4 16.Kg1 Qe4 17.Bf3+/–) 13.Nd2 Bf5 14.Nc4 Nd7 (14...Qe7 15.dc5 Qc5 16.Nd4+=) 15.Qd2 (15.Nd6!? cd4 16.Bd4+=) 15...Qc7 (15...N7b6 16.Na5 Ra7 A) 17.dc5? Bb2 18.cb6 Bc3 (18...Nb6?! 19.Qd8 Rd8 20.Rad1 Rd1 21.Rd1=) 19.ba7 Bd2–+; B) 17.Nb3+=) 16.Rac1 Rfd8 17.Rfd1 (17.dc5 Nc5 18.Nd4 Bd7=) 17...N7b6 (17...b6 18.a3=) 18.Nb6 Nb6 19.Qe1 (19.Na1 c4=) 19...Be6 20.Na3 (20.Ba1 c4=) 20...Na4 21.Ba1 Ba2 22.dc5 Ba1 23.Rd8 Rd8 24.Ra1 Bb3 (better is 24...Bd5 25.Nc2 Nc5 26.Qa5 b6=) 25.Rc1? (better is 25.c6!? bc6 26.bc6 Qc6 27.Nb5=) 25...Nc5–/+ 26.Qc3 Rc8 27.Qd4 (27.Nc4 Bc4 28.Bc4 Rd8–/+) 27...b6 28.h3 (better is 28.Bg4 Rd8 29.Qe4 Qh2 30.Kh2 Ne4 31.Kg1–/+) 28...Rd8 (28...Qe7 29.Qc3 Rd8 30.Nc4 Bc4 31.Bc4–/+) 29.Qc3? (better is 29.Qe4! Qd6 30.Qh4=) 29...Be6 (29...a4 30.Nc2–+) 30.Nc2–/+ Qe7 31.Nd4 Qf6 32.Qa3 Bd5 33.Rd1 g6 (33...Rd7!? 34.Rd2–/+) 34.Qc1 Bb7 35.Qa3 (35.Bc4 Rd7–/+) 35...Ne6 36.Nc6 (36.Qc3!?–/+) 36...Rd1–+ 37.Bd1 Nc5 38.Nd4 Nd3 (38...Bd5 39.Bc2–/+) 39.Qa2 Nb4 40.Qd2 Bd5 41.Qc3 (41.Bc2!?–/+) 41...Nd3–+ 42.Qd2 Qd6 43.Qc2 (43.Be2 Qb4 44.Qd1 a4–+) 43...Qc5–+ 44.Qb1 (44.f3 Qc2 45.Bc2 Nc5 46.fe4 Be4 47.Be4 Ne4–+) 44...Qc3 45.Be2 0–1. Kocela,Jaroslaw – Puszczewicz,Krzysztof, Koszalin op B Poland, 1997.

9.bc6 bc6 10.0–0 Qb6 11.Qb3 Qc7 12.Nc3 (12.f3 Ra7=) 12...Na6 13.Rab1 Re8 (13...Nc5 14.Qc2=) 14.f3+= Rb8 (14...Nc5 15.Qc2+=) 15.Qa4 ef3 16.Bf3 (worse is 16.Nf3 Bf5 17.d3 Rb4=) 16...c5? (better is 16...Rb4 17.Qc6 Rc4 18.Qc7 Nc7+/–) 17.Nd5+– (17.Nd5 Bd7 18.Nc7 Ba4 19.Ne8 Re8 20.Nf5+–) 1–0. Labahn,Wolfgang – Eickhoff,H, corr ch D teams, 1991.

9.bc6 bc6 10.0–0 c5 11.Nc2 Nc6 12.a3 Ne5 13.Be5 de5–/+ 14.Nc3 Bf5 15.a4 Qd7 16.Nb5 Rad8 17.h3 Qd2–+ 18.Re1 Qd1 19.Rad1 Rd1 20.Rd1 Rd8 21.Rd8 Bd8 22.Na1 Bd7 23.Nb3 Bb6 24.f3? ef3–/+ 25.Bf3 g5 26.Nd2 h5 27.Kf2 Be6 28.Nd6 Kf8 29.N6e4 Ne4–+ 30.Be4 Kg7 31.Bd3 f5 32.g3 Bd7 33.Bc2 Be6 34.Bb3?? Kg6 35.Nf3 e4 36.Nd2 g4 37.h4 Bc7 38.Nb1 Be5 39.Na3 Kf7 40.Nb5 Kg6 41.Na7?? Bd7–+ 42.Nb5 Kg7 ½–½. hal1958 – EmK, playchess.de, 2003.

9.bc6 bc6 10.d3 =.

9.bc6 Nc6 10.d3 d5 =.

6.Be2 a6

7.0–0 Nc6 8.a3 Bg4 9.Nc3 h6 (9...Re8 10.d4=) 10.d4+= ed4 11.Nd4 Be2 12.Qe2 Ne5 (12...Nd4 13.ed4 d5 14.cd5+=) 13.f4 Ng6 14.Nf5 (14.Qf3 c6+=) 14...Re8 15.Qd3 (15.e4 a5+=) 15...Bf8 (15...a5 16.Nb5+=) 16.Rf3 (16.e4 Ne7+/–) 16...Kh7 (16...a5 17.e4+=) 17.Nh4+/– Qc8? (better is 17...Qe7!?+/–) 18.Rg3+– Nh5 (18...Kh8 19.Ng6 fg6 20.Qg6 Qd7+–) 19.Ng6 Ng3 (19...Kg8 20.Rh3 fg6+–) 20.Ne7 Kh8 (20...f5 21.Nc8 Ne4 22.Qd5 Nc3 23.Qf5 Kh8 24.Nd6 Bd6 25.Bc3 Re3 26.Bd4+–) 21.Nc8 Nh5 22.Nd5 Rac8 23.Qf5 Nf6 (23...c6 24.Nb6 Rcd8 25.Qh5 Kg8+–) 24.Nf6 gf6 (24...g6 25.Ne8 Kg8 26.Qf6 Re8 27.Qh8) 25.Qf6 Kg8 (25...Kh7 26.Qf7 Bg7 27.Qg7) 26.Qh8 1–0. Janek – Frana, internet free game, 2017.

7.0–0 Bd7 8.Qc2 Qc8 9.Nc3 Nc6 10.a3 Rb8 11.Rfc1 Bf5 12.Qd1 h6 13.d4 ed4 14.Nd4 Nd4 15.Qd4 b6 16.Nd5+/– Qd7 17.Qf4 Nd5 18.cd5 Bg5 19.Qg3 Bg6?? 20.h4+– f6 21.hg5 hg5 22.Rc6 a5 23.Rac1 Rb7 24.Qg4 Bf5 25.Qc4 ab4 26.ab4 Ra8 27.b5 Raa7 28.Bd3 Bd3 29.Qd3 Ra5 30.Bd4 Ra8 31.Qg6 Rf8 32.Ra1 Qd8 33.g3 Qb8 34.Kg2 Rf7 35.Rh1 Qe8 36.Rh7 Re7 37.Rg7! (37.Rg7 Rg7 38.Qe8 Kh7 39.Rc1 Re7 40.Qe7 Kg8 41.Bf6 c6 42.Qe8 Kh7 43.Rh1#) 1–0. nogumo – Seneca, mySchach.de, 2005.

7.a3 h6 (7...e4 8.Nd4+=) 8.h3 (8.d4 ed4 9.Nd4 c5=) 8...Nc6 (8...e4 9.Nd4+=) 9.0–0 e4 10.Nd4 Nd4 11.Bd4 c6 (11...c5 12.Bc3=) 12.f3 d5 13.cd5 cd5 14.fe4 Ne4 15.Nc3 Ng3 16.Rf3 Ne2 17.Qe2 Be6 18.Raf1 Bd6 19.b5 (19.e4 de4 20.Ne4 Bc7=) 19...ab5 (19...Ba3!? 20.Qd3 Qe7+=) 20.Nb5= Ra3 (better is 20...Qe7!?=) 21.Na3+/– Ba3 22.Rg3 f6 23.Qh5 Bd6 (better is 23...Qc7!? 24.Qg6 Bd6+/–) 24.Rg6+– Bf7 25.Qh6?? (better is 25.Rff6 Bg6 26.Rg6+–) 25...Bg6+= 26.Qg6 Be5 (26...Qe7 27.Qf5 Be5 28.Rb1+=) 27.Bc5 (27.Be5!? fe5 28.Qe6 Kh7 29.Rf8 Qf8 30.Qd5+/–) 27...Rf7+= 28.d4 Bd6 29.h4 (better is 29.Qf5!?+=) 29...Bc5+= 30.dc5 Qe7 31.Qg3 (31.Rf3 Qc5 32.h5 Kf8–/+) 31...Qc5 32.Qb8 Qf8 33.Qg3 Qc5 34.h5 (34.Qb8 Kh7 35.Qe8–/+) 34...d4 (34...Re7 35.Rf3 d4 36.ed4 Qd4 (36...Qh5?! 37.Qd6 Re8 38.Rh3–/+) 37.Kh1 Re5–+) 35.h6 (better is 35.ed4 Qd4 36.Kh1–/+) 35...Qg5?? (35...de3 36.Re1 e2 37.Qf2 Qf2 38.Kf2 Re7 39.hg7 Kg7 40.Re2 Re2 41.Ke2 Kg6–+) 36.Qb8 (better is 36.Qg5 fg5 37.h7 Kh7 38.Rf7 de3 39.Rb7+–) 36...Kh7+= 37.hg7? (better is 37.Rf3 g6 38.ed4 Qc1 39.Kh2=) 37...Qe3–+ 38.Rf2 Kg7 0–1. GuestNCRJ – Guestbabyooy, freechess.org, 2017.

7.a4 Nc6 8.b5 ab5 9.ab5 Ra1 10.Ba1 Na5 11.0–0 b6 12.d4 e4 13.Nfd2 d5 14.cd5 Qd5 15.Nc3 Qb7 16.Qb1 Bf5 17.Qa2 Rd8 18.Bc4 Nc4=+ 19.Qc4 Be6 20.Qa4 Ra8 21.Qc2 Bb4 22.Nce4 Ra2 23.Nf6 gf6 24.Bb2 Bd2 25.Qd2 Kg7 26.Ra1 Qa7 27.Qc1 Qa4 28.Ra2 Qa2 29.Qa1 Qa1 30.Ba1 Bc4 31.Bc3 f5 32.f3 Bb5 33.Kf2 Kg6 34.f4 h5 35.g3 Bc4 36.Ke1 Kf6 37.Kd2 c5? 38.Kc2?? Ke6= 39.dc5 bc5 40.Ba5 Kd5 41.Kc3 Bb5 42.Bb6 ½–½. hal1958 – Xav, playchess.de, 2003.

7.a4 Nbd7 8.0–0 h6 (8...e4 9.Nd4=) 9.d3 c6 10.Nbd2 Nh7 (10...Qc7 11.a5=) 11.Ne4 (11.a5 b5+=) 11...f5 12.Ned2 Ndf6 13.Qc2 Kh8 14.b5 ab5 15.ab5 Ra1 16.Ra1 Nd7 17.bc6 bc6 18.Ra8 (18.c5 Nc5 19.d4 ed4 20.ed4 Ne4+=) 18...Qc7 19.Bc3 Bb7? (19...Nb6 20.Ra1 Nf6 21.c5+/–) 20.Rf8?? (better is 20.Ba5!? Nb6 21.Ra7+–) 20...Ndf8 (20...Nhf8 21.c5+=) 21.h3 (21.c5 Ng6+/–) 21...Ng5 22.Nh4 (22.c5 Nf3 23.Nf3 Bc8+=) 22...Qd7 (better is 22...Nh3!? 23.gh3 Bh4–/+) 23.Ndf3 (23.c5 Nh3 24.gh3 Bh4+=) 23...c5= 24.Ng5 Bg5 25.Nf3 Bf6 26.Qb2 Nh7 27.Ne1 f4 28.ef4 (28.Bg4 Qe7=) 28...ef4= 29.Bf3 Bf3 (29...Bc3 30.Qc3 Ng5 31.Bb7 Qb7 32.Qa5=) 30.Qb8 Qd8 31.Qd8 Bd8 32.Nf3 (worse is 32.gf3 Bf6 33.Bf6 Nf6–/+ (33...gf6?! 34.Ng2=)) 32...Kg8 33.Nd2 Ng5 (33...Bf6 34.Bf6 Nf6 35.Kf1=) 34.h4 Nf7 35.g3 fg3 36.fg3 Kh7 (36...Bf6 37.Bf6 gf6 38.Kf2=) 37.Ne4 Kg6 38.Kf2 Kf5 (38...Bf6 39.Nf6 gf6 40.Kf3=) 39.Ke3 (better is 39.Bg7!? h5 40.Ke3+/–) 39...g5= 40.h5 (40.hg5 Bg5 41.Kf3 h5=) 40...Kg4+= 41.Nf6? (better is 41.d4+=) 41...Bf6–+ 42.Bf6 Kh5 (42...Kg3!? 43.Ke4 Kh4 44.Kf5 Kh5 45.Be7–+) 43.Bg7 (43.Kf3 Kg6 44.Bc3 h5–+) 43...Kg6 (43...Kg4 44.Kf2–+) 44.Bf8 (44.Bc3 h5–+) 44...Kf5–+ 0–1. DEFFM – GuestTTFZ, freechess.org, 2017.

7.a4 h6 8.b5 (8.d3 Be6=) 8...ab5 (8...e4 9.Nd4+=) 9.ab5 Ra1 10.Ba1 Bg4 11.0–0 Qc8 12.d3 Nbd7 13.Nbd2 Nc5 14.d4 ed4 15.ed4 Nce4 16.Ne4 Ne4 17.Qd3 Bf5 18.Qe3 Bf6 19.Qf4 Ng5 20.Ng5 Bg5 21.Qg3 Bf6 22.Bd3 Bd3 23.Qd3 Qg4 24.Re1 g5 (24...Ra8!?+=) 25.h3+/– Qd7 (25...Qc8 26.Qf3 Bg7 27.Bc3+/–) 26.Qf3+– Kg7 27.Qa3?? (better is 27.Qb7 Re8 28.Re8 Qe8 29.Kf1+–) 27...Re8= 28.Re3 Re3 29.fe3 Qf5 30.d5?? (better is 30.Kh2=) 30...Qb1–+ 31.Kh2 (31.Kf2 Qa1 32.Qd3–+) 31...Qa1 (31...Qa1 32.Qa1 Ba1–+) 0–1. GuestYTKV – GuestFLZJ, freechess.org, 2017.

7.Nc3 Be6 8.a3 (8.0–0 Nc6=) 8...Nbd7 (8...a5 9.0–0=) 9.0–0 (9.d4 a5=) 9...c6 (9...Nb6 10.d3=) 10.d4 ed4 (10...a5 11.Ng5=) 11.Nd4+= Nb6 (11...Qc7 12.Qc2+=) 12.Ne6 fe6 13.e4 (13.Qc2 d5+=) 13...d5 (13...Rc8 14.Qb3+=) 14.e5+/– Nfd7 (14...Ne8 15.c5 Nd7 16.Bd3+=) 15.c5 Nc8 16.Bg4 Ne5 17.Be6 Kh8? (better is 17...Nf7!?+/–) 18.Nd5!+– cd5 (18...Qd5 19.Bd5) 19.Be5 Bf6 20.Bf6 Rf6 (20...Qf6 21.Bd5 Rb8 22.Qf3+–) 21.Bd5 (21.Qd5?! Ne7 22.Qd8 Rd8+–) 21...Rb8 (21...Qf8 22.Bb7 Rb8 23.Be4+–) 22.Bb7! Qf8 (22...Rb7 23.Qd8) 23.c6 (23.Be4 h6+–) 23...Nd6 (23...a5 24.ba5 Nd6 25.Rb1 Nb7 26.cb7 (26.Rb7?! Rc6 27.Rb8 Qb8+–) 26...Qa3 27.Qc2+–) 24.Ba6 Ne4 (24...Rb6 25.Qa4+–) 25.Rc1 Rf2 (25...Re8+–) 26.c7 (26.c7 Re8 27.c8Q+–) 1–0. marekt – hansson, ChessWorld.net, 2004.

7.d4 Nc6 8.a3 b6 9.0–0 Nd7 10.de5 de5 11.Ne5?? Nce5–+ 12.Qd4 Bf6 13.Qd5 c6 14.Qe4 Qc7 15.Nc3 Bb7 16.Rad1 Rfe8 17.Qc2 Rad8 18.f4 Ng6 19.e4? Nf4 20.Bf3 c5 21.Nd5 Nd5 22.ed5 Bb2 23.d6 Qc8 24.Qb2 Ne5 25.Bb7 Qb7 26.bc5 Nc4 27.Qb3 Ne3 28.Rf7 Qf7 29.Qb6 Nd1 (29...Nd1 30.h3 Re1 31.Kh2 Qf4 32.g3 Qf2#) 0–1. gtate (1885) – gford (1905), net–chess.com, 2003.

7.0–0 b5

8.cb5 ab5 9.Bb5 Bg4 (9...c6 10.Be2+=) 10.Be2 Nc6 (10...e4 11.Nd4 Be2 12.Qe2+=) 11.b5+/– e4 (11...Na5 12.Nc3+/–) 12.Nd4 (better is 12.bc6!? ef3 13.Bf3+–) 12...Nd4 13.Bd4 (worse is 13.Bg4 Nb5 14.Be2 Rb8=) 13...Be6 (13...Be2 14.Qe2 d5 15.a4+/–) 14.a4 Qb8 15.Nc3 Bd7 (15...Qb7 16.d3 d5 17.de4 de4 18.a5+–) 16.Qc2 c5 17.bc6 Bc6 18.Rfb1 Qc7 19.Bb6 White prepares a5 (19.d3 Rfc8+–) 19...Qd7+/– 20.a5 Rfb8 21.Bd4 Rb1 22.Qb1 Bd8 23.a6 Ne8 (better is 23...d5+–) 24.Ne4 Nc7 25.Bd3 Be4 (25...Ne6 26.Bc3+–) 26.Be4 Ra6 27.Bh7 Kf8 (27...Kh8 28.Ra6 Na6 29.Bf5+–) 28.Bd3 (better is 28.Ra6!? Na6 29.Qa1 Qc6 30.Bg7 Ke8+–) 28...Ra1 29.Qa1 Ne6 30.Bc3 d5 31.f4 (31.Qb1 Qc7+–) 31...d4 32.Bb4 Kg8 33.Qb1 (better is 33.Qa8!?+–) 33...de3+/– 34.de3 Bb6 35.Bd2 (35.g3 Be3 36.Kg2 Qc6 37.Be4 Qa6+/–) 35...Nf4+= 36.Qb6 Nd3 37.Qd4 Qb5 38.Qd8 Kh7 39.Qh4 Kg6 40.Qg3 Qg5?? (better is 40...Kh7 41.Qh3 Kg8 42.Qc8 Kh7+=) 41.Qd6+– (41.Qd6 f6 42.Qd3 f5 43.e4 fe4 44.Qe4 Qf5 45.Qe8 Kh7 46.Be3+–) 1–0. Jeriominas,Jurijus – Jelisejevas,Rokas, Baltic Amateurs Open, 2014.

8.Nc3 Bb7 9.a3 (9.cb5 ab5 10.Bb5 Nbd7+/–) 9...Nc6 (9...bc4 10.Bc4 a5 11.b5=) 10.Bd3 (better is 10.cb5 ab5 11.Nb5+/–) 10...bc4= 11.Bc4 d5 12.Bb3 e4 13.Ng5 (13.Ne1 d4 14.Na4 a5+=) 13...h6 (13...Ne5 14.d4 Nd3 15.Qe2+=) 14.Nh3= Bc8 (better is 14...d4!? 15.Ne2 d3=) 15.Nf4+/– d5 seems the pivot of the position 15...Bg4 (15...Be6 16.f3 (worse is 16.Ne6 fe6 17.Rc1 Qd6+=) 16...ef3 17.Qf3+/–) 16.Qb1 (16.Qc2!? Be6 17.Ne6 fe6 18.Nd5 Nd5 19.Qc6+–) 16...d4 (16...Be6!?+/–) 17.Ne4+– 1–0. GuestYYLH – GuestSWSM, freechess.org, 2017.

8.d3 bc4 9.dc4 Nc6 10.a3 d5 (better is 10...Rb8!?=) 11.cd5 Qd5 12.Qd5 Nd5 13.Ne5 (13.Be5?! Ne5 14.Ne5 Bf6=) 13...Ne5 14.Be5 c6 (14...Be6 15.Rd1+/–) 15.e4 (15.Rc1 Re8+–) 15...Bf6 16.Bf6 (16.ed5?! Be5 17.Ra2 cd5=) 16...Nf6 17.f3 (17.Nc3 Be6+/–) 17...Re8 (17...a5 18.ba5 Ra5 19.Rc1+/–) 18.Rd1 (18.Rc1 a5 19.ba5 Ba6 20.Ba6 Ra6+–) 18...Bb7 (18...a5 19.Nc3+/–) 19.Nc3 (19.Nd2 a5+–) 19...Rad8 (19...a5 20.Na4+–) 20.Kf2 Rd1 (20...Kf8 21.Na4+–) 21.Rd1 h6 22.Bc4 (22.Na4 a5+–) 22...Bc8 (22...Re7 23.Rd8 Re8 24.Re8 Ne8 25.e5+–) 23.Rd6 (23.Na4 Kf8+–) 23...Bb7 24.a4 White plans b5 (better is 24.Ke3+–) 24...Nh5?? (24...Kf8 25.Ke3+–) 25.b5 (better is 25.Rd7 Bc8 26.Bf7 Kf8 27.Rc7+–) 25...ab5 (25...cb5 26.ab5 Rc8 27.Rd4+–) 26.ab5 cb5 27.Bb5 (27.Nb5 Rf8+–) 27...Rc8 28.Nd5 (28.Ne2!? Nf6+–) 28...Bd5+/– 29.Rd5 Nf4 30.Rd7 (30.Rd2!?+/–) 30...Rc2+= 31.Kg3 g5 32.h3?? (32.Rd8 Kg7 33.Bf1 Nh5 34.Kg4 Nf4+=) 32...h5 (32...Rg2) 33.Bf1+= Kg7 (33...Rc1 34.Kf2+=) 34.Kh2 (34.h4 Ng6+/–) 34...Rf2 (34...Kf6 35.Rd6 Ke5 36.Rb6+=) 35.Kg1 Rb2 (35...Rc2 36.g3 Ne6 37.Bd3+=) 36.Rc7 (36.g3 Ne6+/–) 36...Rb1 (36...h4 37.Rc5 Kg6 38.Rb5+=) 37.Kf2 (37.Rc5 Kg6+=) 37...Rb2+= 38.Ke3 (38.Kg3 h4 39.Kh2 Rb1+=) 38...Ng2= 39.Bg2 Rg2 40.Rc1 (40.Rc5=) 40...g4 (better is 40...Rh2!?–/+) 41.hg4+= hg4 42.fg4 Rg4 43.Rf1 Rg6 44.Kd4 Re6 (44...Ra6 45.Rf2=) 45.Kd5 Kf8 46.e5 Ke7 47.Ra1 Kf8 48.Ra7 Ke8 49.Rc7 (49.Ra8 Kd7+=) 49...Kf8 (49...Ra6 50.Ke4+=) 50.Rd7 Ke8 51.Rd6 (51.Rb7 Ra6+=) 51...Rd6= 52.Kd6 Kd8 53.Kd5 Kd7 54.Kd4 Ke6 55.Ke4 f6 56.ef6 Kf6 ½–½. Goldmund,Heike – Kehayov,Yulian, FICGS, 2016.

7.0–0 Bg4

8.Nc3 Nbd7 9.d4 ed4 10.Nd4 Be2 11.Qe2 Re8 12.Rad1 Bf8 13.Nd5 c6 14.Nf6 Nf6 15.Nf5 Re6 16.a3 g6 17.Nd4 Re8 18.Qf3 Bg7 19.Nb3 Nh5 20.Bg7 Ng7 21.Qf4 Nf5 22.e4 Ng7 23.Rd6 Qe7 24.f3 Qe5 25.Qe5 Re5 26.Rd7 Rb8 27.Na5 c5 28.Rb7 Rb7 29.Nb7 cb4 30.ab4 Ne8 31.Nc5 Nd6 32.Rc1 a5 33.Nd3 White prepares c5 33...Rh5 34.c5 Nc8 35.b5 Kf8 (35...Na7 36.b6 Nc6+–) 36.g4 Rh6 37.b6 Nb6 38.cb6 g5 39.Rb1 Rd6 40.b7 Rd3 41.b8Q Kg7 42.Qe5 f6 43.Rb7 Kg6 (43...Rd7 44.Rd7 Kg6 45.Qe8 Kh6 46.Qh5) 44.Qf5 Kh6 45.Qf6 1–0. Pcmvr – Mrchess, playchess.de, 2004.

8.h3 Bh5 9.Nc3 Nbd7 10.Re1 h6 (10...a5 11.a3=) 11.d3 Rc8 12.a4 White prepares the advance b5 12...c6 13.b5 ab5 14.ab5 Ra8 15.Qc2 Qc7 16.Rec1 (16.d4 Rfe8+=) 16...Bg6= 17.Qd1 c5 18.Nd2 Nb6 19.Na4 Na4 20.Ra4 Ra4 21.Qa4 b6 22.Ra1 Rb8 23.Qb3 Ne8 24.Bf3 f5 25.Bd5 Bf7 26.Bc6 Nf6 27.Ra4 Be8 28.Bf3 Bg6 29.Qa2 Kf8 30.Ra7 Qd8 31.Bc6 Be8 32.Bf3 g5 (32...Bg6 33.Qb3 Kg8+/–) 33.Qa1 Bf7 34.Bc6 Be6 (34...g4!?+/–) 35.d4 ed4 36.ed4 d5 (36...Nh5 37.Qe1 Kf7 38.dc5 dc5 39.Nf3+–) 37.Qe1 Bf7 38.Qe5 dc4 39.dc5 (39.Re7 Qe7 40.Qb8 Kg7+–) 39...bc5 (39...Bc5 40.Qf6 Qf6 41.Bf6 g4+–) 40.Re7! Ng8 (40...Qe7 41.Qf6 (41.Qb8)) 41.Rd7 1–0. Kraemer – Scheurer, DDR, 1988.

8.h3 Bh5 9.g4 Bg6 10.Nh4 Be4 11.Nc3 Bc6 12.Nf5 Re8 13.Qc2 Bf8? (better is 13...g6!? 14.Ne7 Qe7+/–) 14.g5+– Nfd7 15.b5 ab5 16.cb5 g6 17.bc6 Nc6 18.Nh6 Bh6 19.gh6 Qh4 20.Nd5 Rac8 21.Kh2 Qh6 22.Rab1 Re6 23.Ba3 e4 (23...Nb6 24.Nb6 cb6 25.Rb6+–) 24.Rb7 Nce5 (24...Nc5 25.Bc5 dc5 26.Qc5+–) 25.Qe4 f5 (25...Nc5 26.Bc5 dc5 27.Nc7+–) 26.Qg2 g5 27.f4 Ng4 (27...Nf7 28.Bd3 Qg6 29.fg5 Qg5 30.Bf5+–) 28.Kg1 gf4 29.hg4 Rg6 30.Ne7 (30.Ne7 Kf7 31.Nc8+–) 1–0. b4_player – story, casual, 2013.

7.Nc3 Nc6

8.a3 Be6 9.0–0 Rb8 10.d4+= e4 11.d5 ef3= 12.Bf3 Bd5 13.Nd5 Nd5 14.Bd5 Qd7 15.Qh5 Nd8 16.f4 c6+= 17.Rf3 cd5= 18.Rh3 Qh3? 19.Qh3+– dc4 20.Qd7 Nc6 21.Qg4 Rbd8?? 22.Qg7# 1–0. doremi – katrica, internet, 2007.

8.a3 Bf5 9.d4 ed4 (9...e4 10.Nd2+=) 10.Nd4+= Nd4 11.Qd4 c6 (11...Re8 12.0–0+=) 12.0–0 Qc8 13.e4 Be6 14.Rac1 Qd7 15.Rfd1 Rfd8 16.Qb6 Ne8 17.f4 Qc7 (17...f5 18.Rd4+=) 18.Qc7 Nc7 19.Na4 (19.Nd5 Nd5 20.cd5 Bd7+/–) 19...f6 (19...a5 20.Nb6 Ra7 21.b5+/–) 20.Nb6+/– Rab8 21.Nd5 cd5 22.cd5 Nd5 23.ed5 (< 23.Rd5 Bd5 24.ed5 Rdc8=+) 23...Bf5 24.Bd3 Bd3 25.Rd3 Rdc8 26.Rdc3 ½–½. Miltner,A – Klapp,Herwig, M181D BdF, 1994.

8.Qb3 h6 9.d4 ed4 10.ed4 Bg4 11.Rd1 d5 12.c5 Re8 13.0–0 Bf8 14.Bc1 Ne7 15.Ne5 Be2 16.Ne2 c6 17.Nf4 b6 18.Qf3 bc5 19.bc5 (19.dc5 Rb8+/–) 19...Ne4+= 20.Rd3 Ng5 21.Qd1 g6 22.h4 (22.Ne2 Ne4+=) 22...Ne4= 23.f3 (23.Re1 Bg7=) 23...Ng3 (better is 23...Nc5 24.Rc3 Nb7+=) 24.Kf2?? (better is 24.Re1=) 24...Nf1–+ 25.Kf1 Bg7 26.g4 (26.h5 g5 27.Ne2 f6–+) 26...Be5 (better is 26...g5!? 27.hg5 hg5 28.Nh5–+) 27.de5 Nc8 28.Qa4 (28.Ng2 Qa5 29.Qc2 Re5 30.Bh6 d4–+) 28...Qh4 (28...Re5?! 29.Bb2 Qe8 30.Be5 Qe5 31.Qc6+=) 29.Qc6 (29.Kg2 Na7 (29...Re5 30.Qc6 g5 31.Rd5–+) 30.Rd1 Re5–+) 29...Ne7 30.Qf6 Qf6 (better is 30...Qh1 31.Kf2 Qc1+=) 31.ef6= Nc6 32.Nd5 Kh7 33.Nc7 Rad8 34.Rd6 Rd6 35.cd6 Rd8 36.Bf4 g5 37.Bg3 a5 38.Ke2 (38.Nd5!?=) 38...Kg6–/+ 39.Nd5 Nd4 40.Ke3 Nb5 41.Ne7 Kf6 42.Nf5 (42.Nd5 Ke6 43.Nc7 Nc7 44.dc7 Rc8–/+) 42...Ke6 43.Nh6 (43.a4 Nd6 44.Bd6 Rd6 45.Nd6 Kd6 46.Kd4–+) 43...Nd6–+ 44.Bd6 Rd6 45.Nf5 Rb6 46.Nd4 Kd5 0–1. Helbing,Heinz – Csoma,Robert, corr DDR–HUN, 1984.

6.Be2 b6

7.0–0 Nbd7 8.d4 ed4 9.Nd4 Bb7 10.Bf3 Bf3 11.Qf3 Ne5 12.Qe2 a5 13.b5 Qd7 14.Nd2 c5 (14...Qg4 15.N2f3 Nfd7 16.Rad1+=) 15.N4f3 Qg4 16.Rfd1 Ne4 (16...Rfe8 17.a3=) 17.h3 (17.Be5!? Nd2 18.Bd6 (worse is 18.Rd2 de5 19.Re1 Qe4+=) 18...Bd6 19.Rd2+/–) 17...Nf3+= 18.Nf3 Qe6 19.Qc2 f5 20.Rd3 g5 21.Nd2 Bf6 22.Bf6 Rf6 23.Ne4 fe4 24.Rd5 h6 25.Rad1 Rd8 26.Qe2 Kf7 27.Qg4 (27.Qh5 Kg7+=) 27...Qg4= 28.hg4 Ke7 29.g3 Rdf8 30.R1d2 Rd8 ½–½. Schmidbauer,Josef (1660) – Hartl,Manfred (1790), Niederbayernliga, 2005.

7.0–0 h6 8.a3 Re8 9.d3 Bb7 10.Nbd2 Nc6 11.Re1 a5 12.b5 Na7 13.a4 c6 14.Rc1 cb5 15.cb5 Rc8 16.Rc8 Qc8 17.Qc1 Qc1 18.Rc1 Bd8 Black plans e4 19.Nc4 e4 (19...Nc8 20.e4+=) 20.de4 (20.Nfd2!? ed3 21.Bd3 Nc8+–) 20...Ne4+/– 21.Bd3 Nc5 22.Bc2 d5? (better is 22...Nc8!?+=) 23.Nd6+– Re7 24.Nb7 Nb7 25.Ba3 Re8 26.Bb3 d4?? (better is 26...Be7 27.Rc7 Ba3 28.Rb7 Nc8+–) 27.Nd4 (27.ed4 Nb5 28.ab5 Bf6+–) 27...Re4 (27...Re5 28.Rd1 Bf6 29.Nf3+–) 28.Bd5 Nd6 (28...Nc5 29.Rc5 bc5 30.Be4 cd4 31.ed4+–) 29.Be4 (better is 29.Bd6 Re8+–) 29...Ne4 30.Nc6 Nc6 31.Rc6 Bg5 (31...Kh7 32.f3 Ng5 33.Bb2+–) 32.Rb6 Nc3 (32...Kh7 33.Ra6 Bh4 34.f3+–) 33.Ra6 (better is 33.Rb8 Kh7 34.b6 Nd5+–) 33...Ne2 (33...Na4 34.Ra5 Nb6+–) 34.Kf1 Nc3 35.Ra5 (better is 35.b6 Bd8 36.Ra8 Kh7 37.Rd8 Ne4+–) 35...Nd5 36.b6! Nb6 37.Rb5 (37.Bc5 Nd5+–) 37...Nc4 (37...Na4 38.Ra5 Nc3+–) 38.Bc5 Kh7 (38...Nd2 39.Ke2 Ne4 40.Bd4+–) 39.a5 Bd8 (39...Na5 40.Ra5 Bf6+–) 40.a6 1–0. Fournier,Frederic (1855) – alejokom, Active, 2004.

7.a4 Bb7 8.Nc3= Nbd7 9.0–0 d5 10.b5 e4 11.Nd4 Ne5 (better is 11...dc4!? 12.f4 Nc5=) 12.cd5+/– Nd5 13.Nd5 (13.Ne4!? Ne3 14.de3 Be4 15.f3+/–) 13...Bd5 14.Rc1 f5 15.f4 Nd3 16.Bd3 ed3 17.Nc6 Qe8 18.Ne5 Qd8 (18...a6!? 19.Rc7 Bd6=) 19.Bd4 (19.Rc3 Qc8+/–) 19...Rf6 20.Rc3 Be4 21.Qb3 Kh8?? (21...Bd5 22.Qb1+/–) 22.Rf2 (better is 22.Nf7 Rf7 23.Qf7+–) 22...Bd5+/– 23.Qb2 Rh6 24.Rc6 Bd6?? (24...Bf6 25.Rc1+=) 25.Nd3 (better is 25.Nf7! Bf7 26.Bg7 Kg8 27.Bh6+–) 25...Rg6 26.Ne5?? (26.Rc1 Qh4 27.Ne5 Be5 28.fe5+= (worse is 28.Be5 Qh3 29.Kf1 Bg2 30.Ke2 Qg4 31.Kd3 Rd8 32.Kc3 c5–/+)) 26...Be5–/+ 27.fe5 Bc6 28.bc6 Qg5 (28...Qd5!?–/+) 29.Qc2 Kg8 30.Qc4 (worse is 30.Qf5 Qf5 31.Rf5 Rf8–+) 30...Kh8 31.Qf7 Qg4 32.g3 Qd1 (better is 32...Rg8+=) 33.Kg2?? (better is 33.Rf1 Qd2 34.e6+=) 33...Qa4+= (33...Rc6?? 34.e6 Qg4 35.e7+–) 34.Rf5 Qc6 35.Kf2 Qe8 (better is 35...Qe6!?–/+) 36.Qc7+= Qc8 37.Rf7 Qc7 38.Rc7 Re6 39.Kf3 Kg8 40.Ke4 Kf8 41.Kd5 Re7 42.Rc1 Ke8 43.e6 b5 (better is 43...Rd8!? 44.Ke5 Rdd7=) 44.Bc5+/– Rb7?? (better is 44...Rd8 45.Ke5 Rc7+/–) 45.Rf1+– Rd8 (45...Re7 46.Ke5 a5+–) 46.Ke5 Re7 47.d4 Rb8 (47...Rdd7+–) 48.Be7 Ke7 49.Rf7 (49.d5 Ke8 50.Rf7 b4 51.d6 b3 52.d7 Kd8 53.Rf8 Kc7 54.Rb8 Kb8 55.d8Q Kb7 56.e7 a5 57.e8Q Ka7 58.Qa5 Kb7 59.Qea8) 49...Ke8 50.Rg7 (50.d5 a5 51.d6 b4 52.d7 Kd8 53.Rf8 Kc7 54.Rb8 Kb8 55.e7 Ka7 56.d8Q Kb7 57.e8Q Ka7 58.Qa5 Kb7 59.Qea8) 50...Kf8 51.Rh7 Kg8 52.Ra7 b4 53.Ra2 b3 (53...Kg7 54.d5 b3 55.Rb2+–) 54.Rb2 Kg7 55.d5 Rb6 (55...Rb5 56.Kd4 Ra5 57.d6 Ra4 58.Kc5 Ra5 59.Kc6 Ra6 60.Kc7+–) 56.g4 (better is 56.d6 Rb5 57.Kd4 Rb8+–) 56...Kg6 (56...Rb5 57.Kd4 Rb4 58.Kc5+–) 57.h4 Kg7 58.e4 Kg6 59.g5 Kg7 60.h5 Kg8 61.Kf6 1–0. Gainanov,Ramzil – Efimov,Georgy, 2012.

7.a4 e4!? 8.Nd4 c5 9.bc5 bc5 –/+.

7.Nc3= a6 8.Qc2 h6 9.0–0 Bb7 10.d3 (10.d4 ed4 11.ed4 d5+=) 10...Nbd7 11.a4 c5 12.b5 a5 13.h3 Nh7 14.Rfd1 Ng5 15.Nd5 Bd5 16.cd5 f5 17.Nh2 Nf6 Black prepares e4 18.Rf1 e4 (18...Qe8 19.f4 ef4 20.ef4+= (20.Rf4? Nd5 21.Qc4 Qf7–+)) 19.Qb3 Kh8 (19...Qe8 20.de4 Nfe4 21.h4 Nh3 22.gh3 Qg6 23.Kh1 Bh4 24.Bd3 Nf2 25.Rf2 Bf2 26.Ng4=) 20.f4 (20.Rac1 Qe8+=) 20...Ngh7 (20...ed3 21.Bd3 Nge4 22.Nf3=) 21.g4 (21.Qc3 ed3 22.Bd3 Nh5+=) 21...Qd7= 22.Rf2 ed3 23.Bd3 fg4 (23...Ne4!? 24.Rg2 Bf6=) 24.hg4+= Ng4? (better is 24...Ra7+=) 25.Ng4+– Qg4? (25...Nf6 26.Nh2 Qh3+–) 26.Rg2 Qf3 (26...Qg2 27.Kg2 Bf6+–) 27.Bg7 Kg8 28.Bh6 Kh8 (28...Ng5 29.Be2 (29.fg5?! Qe3 30.Kh1 Qh3 31.Rh2 Qf3 32.Kg1 Qg3 33.Rg2 Qe3 34.Kh1 Qh3 35.Kg1 Qe3=; worse is 29.Rg5 Bg5 30.Bg5 Qg3 31.Kf1 Rae8–/+) 29...Qe4 30.Bf8 Kf8 31.fg5+–) 29.Bg7 (29.Qb2 Rf6 30.Bg7 Kg8 31.Bf6 Kf7 32.Rg7 Ke8 33.Bg6 Kd7 34.Re7 Kd8 35.Rh7 Kc8 36.Bf5 Kb8 37.Qe5 Qg3 38.Kf1 Qf3 39.Ke1 Qg3 40.Kd1 Qg1 41.Kc2 Qf2 42.Kc3 Qe3 43.Qe3 c4 44.Qb6) 29...Kg8 30.Bh7 Kh7 (30...Kf7 31.Qd3 Ke8 32.Bf8+–) 31.Qd3 (31.Qc2 Rf5 32.Qf5 Kg8 33.Qe6 Kh7 34.Qg6 Kg8 35.Be5 Kf8 36.Qg8) 31...Kg8+– 32.Bf6 (32.Bf6 Qg2 33.Kg2 Bf6 34.Qg6 Bg7 35.Qe6 Rf7 36.Re1+–) 1–0. GuestWRJS – GuestFYNS, freechess.org, 2017.

7.d3 a5 8.b5 =+.

7.d4 e4 8.Nfd2 d5 9.a3 c6 10.Qc2 Bd6 11.h3 Be6 12.Qb3 (12.0–0 Bc7=) 12...Nbd7 13.a4 (13.Nc3 dc4 14.Bc4 Re8=) 13...a5 14.Ba3 (14.b5 dc4 15.Bc4 Bc4 16.Nc4 Bb4 17.Bc3 cb5 18.ab5 Be7=) 14...ab4–/+ 15.Bb4 c5 16.Bc3 Re8 17.Na3 cd4 18.Bd4 Nc5 19.Qc2 Na4?? (better is 19...Nd3 20.Bd3 ed3 21.Qd3 Ra4–/+) 20.Nb5+– Bc5 (20...Bb4 21.Ra4 Ra4 22.Qa4 Bd2 23.Kd2 dc4 24.Rd1+–) 21.Ra4 Ra4 22.Qa4 Bd7 23.0–0 Bd4 24.ed4 e3 25.Nf3?? (better is 25.fe3 Re3 26.Rf2+–) 25...ef2+= 26.Rf2 Ne4 27.Rf1?? (better is 27.Qb4+=) 27...Nc3!–+ 28.Qc2 (28.Nc3 Ba4 Pinning (28...Ba4 Deflection)) 28...Ne2 29.Kf2 Nf4 30.Re1 Re1 31.Ke1?! (31.Ne1 dc4 32.Qc4 Qh4 33.Kf1 Nh3–+) 31...dc4 32.Nc3 b5 (32...Bc6 33.Qf5 Ng2 34.Kf2–+) 33.Kf2 (33.Kf1 Nd3–+) 33...Nd3 34.Kf1 Bc6 35.Qe2 Bf3 (35...b4 36.Nd1–+) 36.Qf3 h6 37.Ne2 (37.Nd5 b4–+) 37...b4 38.d5 (38.Qc6 g6 39.g3 Qg5 40.Qe8 Kg7–+) 38...Qa5 39.Kg1 Qa1 40.Kh2 Qe5 41.Kg1 (41.g3 b3 42.d6 Qd6 43.Qa8 Kh7 44.Qe4 Qg6 45.Qg6 Kg6–+) 41...b3 42.d6 Qd6 (better is 42...b2 43.Qb7 Nc5 44.Qc8 Kh7 45.Nc3–+) 43.Qa8 Qf8 44.Qd5 Qc5 45.Qc5 Nc5 46.Nc3 f5 47.Kf1 Ne4 48.Nb1 c3 (48...c3 49.Nc3 Nc3–+) 0–1. Cometa,Luis Fernando (1885) – Mena,Yamil Octavio (1960), Championship Nacional Amateur Absoluto, 2015.

7.0–0 a5

8.b5 c6 9.bc6 Nc6 10.Nc3 (10.d3 Re8 (10...Be6 11.Ng5 Bd7 12.Nc3 Rc8 13.Rb1 Ne8 14.Nf3 Nf6+=) 11.Re1 Rb8 12.Na3 Na7 13.Qb3 Bd7 14.d4 e4=) 10...Ba6 (10...d5 11.cd5 Nd5 12.d4 Ba3 13.Qb3 Bb2 14.Qb2 ed4+=; 10...Bf5 11.d4 Rc8 12.a3 Re8 13.Rc1 e4 14.Nd2 h6+=; 10...Re8 11.d4 Bf5 12.Rc1 Rc8 13.Nd5 e4 14.Nd2 Nd5+=) 11.a3 (11.d4 Rc8 12.Rc1 Re8 13.Re1 ed4 14.Nd4 Ne5+=) 11...Rc8 (11...e4 12.Ng5 Ne5 13.Nce4 Ne4 14.Ne4 Nc4+=) 12.Rc1 (12.e4 Bb7 13.Rb1 Nb8 14.Qc2 Nbd7+=) 12...d5 (12...e4 13.Ng5 Ne5 14.Nce4 Ne4+=) 13.cd5 Be2 14.Qe2 Nd5 15.Qb5 Nc3 16.Rc3 Bf6?? ( 16...Na7 17.Qb3 e4 18.Rc8 Nc8+=) 17.Rc6+– Qd7 18.Rfc1 h6 19.Be5 Rc6 20.Qc6 Qc6 21.Rc6 Be7 22.Bd6 Bd6 23.Rd6 1–0. algernon (2340) – kode (2315), net–chess.com, 2007.

8.b5 Nbd7 9.d4 e4 10.Nfd2 Bb7 11.Nc3 Re8 12.Qc2 e4 seems the pivot of the position 12...Bf8 13.Rae1 (13.f3 ef3 14.Bf3 Qc8+/–) 13...Qe7 (13...d5 14.Rc1+=) 14.Rc1 (14.f3 ef3 15.Bf3 Bf3 16.Rf3 Qe6+/–) 14...Rac8 15.Ba3 (15.d5 g6+=) 15...Qe6 16.Rfe1 (16.d5 Qe7+=) 16...d5 (16...Qf5 17.d5+=) 17.Bf8 Kf8 18.Qb3 Re7 19.Rc2 (19.cd5 Bd5 20.Nd5 Qd5+=) 19...dc4 20.Bc4 Qf5 21.Nf1 c5 (21...Kg8 22.Rec1+=) 22.bc6 Rc6 (22...Bc6 23.d5 Passed pawn; 22...Rc6 23.Ng3 Combination) 23.Ng3 Qg5 (23...Qg6 24.Rec1+/–) 24.Rec1 h5 (24...Qg6 25.Nce2+/–) 25.Qb5 (25.Bb5 Rc7+/–) 25...Qg6 (25...Qb5 26.Bb5 Rc7 27.Nce4 Rc2 28.Rc2 Be4 29.Rc8 Re8 30.Bd7 Rc8 31.Bc8+=) 26.h3 (26.Nce2 Qh7+–) 26...Nb8 (26...Re8 27.Nge2+/–) 27.Nd5 (27.Bd5 Nd5 28.Nd5 Rc2 29.Rc2 Qg5+–) 27...Nd5 28.Bd5 Rc2 29.Rc2 Ba6 30.Qa4 (better is 30.Qb3!?+–) 30...h4+= 31.Nf1 Qd6 (31...Qf5 32.Bc4+=) 32.Bc4 Rc7 33.Ba6 Na6 34.a3 (34.Rc7 Nc7 35.Nd2 f5+/–) 34...f5 (34...b5 35.Qb3=) 35.g3 (better is 35.Rb2 Rf7 36.Qb5+/–) 35...hg3+= 36.Ng3 g6 37.Ne2 (37.Qb3 Rc2 38.Qc2 Nc7+=) 37...b5 38.Qb3 Rc2 39.Qc2 Qc7 40.Qb2 Qc4 (better is 40...b4!?=) 41.Nf4 (41.d5 Kf7 42.Nf4 b4+/–) 41...Kf7 (41...g5 42.Ng6 Kg7 43.Ne5+/–) 42.d5 g5 (42...Nc5 43.Qh8 g5 44.Qh5 Ke7 45.Qg5 Kd6 46.Qf6 Kc7+–) 43.Nh5+– Kg6?? (43...Qd5 44.Qf6 Ke8 45.Ng7 Kd7 46.Qa6 b4 47.ab4 ab4 48.Qa4 Ke7 49.Qe8 Kd6 50.Qf8 Kc6 51.Nf5 Kb5 52.Nd6 Ka4 53.Qe8 Ka3 54.Ne4 g4 55.hg4 Qd1 56.Kh2 Qg4+–) 44.Qg7 Kh5 45.Qh7 1–0. Durka,Jan (2100) – Goga,Frantisek (2005), Tatranske Zruby SVK (9), 2006.

8.b5 Nbd7 9.d4 e4 10.Nfd2 Bb7 11.d5 Nc5 12.Qc2 Bc8 (12...Re8 13.Bd4 Bc8 14.Nc3 Bf5 15.Rad1 Rc8 16.Kh1 Bf8 17.f3+=) 13.Nc3 (13.Bd4 Bf5 14.Nc3 Re8 15.Rad1 Bf8 16.f3 ef3 17.Qf5+=; 13.Ba3 Nfd7 14.Nc3 Bf6 15.Rae1 Bc3 16.Qc3 Re8 17.f3+=; 13.a3 Bf5 14.Bd4 Re8 15.Nc3 Qd7 16.Rfd1 Bd8 17.Nf1+=; 13.Bc3 Re8 14.Bd4 Bf5 15.Nc3 Bf8 16.h3 Bg6 17.a3+=) 13...Bf5 14.Ba3 (14.f3 ef3 15.Qf5 fe2 16.Ne2 Qd7 17.Ng3+=) 14...Re8 15.Rad1 (15.Rae1 Nfd7 16.Rd1 Bf6 17.Bb2=) 15...Bf8 16.Bb2 (16.Rfe1 Qd7 17.Bb2=) 16...Nfd7 (16...a4 17.f3+=) 17.f3 Qg5 18.fe4 Qe3 19.Kh1 Be4 20.Nde4 Ne4 21.Bd3 Nef6 22.Rf3 Qe7 23.Rdf1 g6 24.Ne2 Bg7 25.Nd4 Ne5 26.Rf6 (better is 26.Nc6!? Nc6 27.bc6+=) 26...Bf6–+ 27.Nc6 Nc6 28.Bf6 Nb4 29.Qc3 (better is 29.Qd1!? Qe3 30.Bb1–+) 29...Qe3 30.Bh8 Re5?? (better is 30...f6 31.Qf6 Qe7 32.Qe7 Re7–+) 31.Be5–/+ Qe5 (better is 31...de5!? 32.Rf3 Na2 33.Re3 Nc3–+) 32.Qe5= de5 33.Bb1 e4 34.Be4 (34.Rd1=) 34...Na2 (better is 34...Re8 35.Bb1 Re3+=) 35.d6!+/– Rd8 (35...cd6 36.Ba8) 36.c5?? (better is 36.dc7 Rc8 37.c5 Rc7 38.cb6+/–) 36...cd6–/+ 37.Bd5 Nc3 38.Bf7 Kg7 39.c6 Rf8 (better is 39...a4–/+) 40.Kg1? (better is 40.Bc4 Rf1 41.Bf1–/+) 40...Nb5–+ (40...Rf7?? 41.Rf7 Kf7 42.c7+–) 41.Rb1 (41.Ba2 a4–+) 41...Nc7 (better is 41...Nc3 42.Rb3 Ne2 43.Kf2–+) 42.Bc4 Rb8 43.Kf2 (43.Re1 d5 44.Re7 Kf6 45.Rc7 dc4–+) 43...Kf6 (43...b5 44.Bd3–+) 44.Ke3 d5 45.Be2 Ke5 46.Rf1 h5 (46...a4 47.Rf7 Kd6 48.Kd2–+) 47.Rf7 (47.Bd3 Rg8–+) 47...Rc8 48.g4 h4 49.g5 (49.Bd3 Ne6 50.Bg6 Rc6–+) 49...Ne6 (49...d4 50.Kd2 Nd5 51.Rh7–+) 50.Rf6 (50.Bb5 d4 51.Kd3 Ng5–+) 50...Rc6 (50...Ng5?! 51.Rg6 Ne4 52.Bb5–+) 51.Bb5 (51.Rg6 Rc2 52.Rg8 d4 53.Kf3 a4–+) 51...d4 (better is 51...Rc3 52.Kd2 Rh3 53.Rg6 Rh2 54.Ke1–+) 52.Kd2 Rc5 53.Bd7 (53.Bd3 a4 54.Rg6 a3–+) 53...Ng5 54.Rg6 (54.Rb6 Nf3 55.Ke2 Nh2 56.Rg6 Rd5–+) 54...Ne4 55.Kd1 b5 (better is 55...d3!? 56.Rc6–+) 56.Rh6 (56.Bc6 Nd6 57.Bd7 Nc4–+) 56...Nf6 0–1. Vila Martinez,J – Veira Vazquez,J, 1986.

8.b5 Nbd7 9.d4 e4 10.Nfd2 Bb7 11.d5 Nc5 12.Bd4 A) 12...Bc8 13.Qc2 (13.Nc3 Bf5 14.Qc2 Re8 15.Rfd1 Qd7 16.a3 Bd8 17.Nf1+=) 13...Bf5 14.Nc3 Re8 15.Rad1 Bf8 16.f3 ef3 17.Qf5+=; B) 12...Nfd7 13.Qc2 f5 14.f3 ef3 15.Rf3 g6 16.Nc3 Ne5 17.Rg3+=.

8.b5 Nbd7 9.d4 e4 10.Nfd2 Bb7 11.d5 Re8 12.Bd4 Bf8 13.a3 Qe7 14.Nc3 Bc8 15.Bg4 Ng4 16.Qg4 Nc5 17.Qg3 Bf5 +=.

8.b5 e4 +=.

7.0–0 Bb7

8.a3 a5 9.d4 e4 10.Nfd2 =.

8.a3 c5 9.b5 (9.d4 ed4 10.ed4 cb4 11.ab4 d5+=) 9...a6 (9...e4 10.Ng5=) 10.a4 (10.ba6 Na6 11.d3 Re8=) 10...ab5 11.cb5 (11.ab5 Ra1 12.Ba1 e4=) 11...Nbd7 (11...e4 12.Ng5=+) 12.d4 (12.d3 Bd5=+) 12...cd4 (12...e4 13.Nfd2=) 13.ed4 ed4 14.Nd4= Ne5 15.Nd2 Rc8 16.N2f3 Qd7 17.Ne5 de5 18.Nf3 Qd1 19.Bd1 (19...Bf3 20.Bf3=). Slavisa666 – dadeetdeetbleep, Live Game Caissa's Web, 2004.

8.a4 a5 9.b5=.

8.a4 c5 9.b5 (9.bc5 bc5 10.d4 e4=) 9...Nbd7 (9...a6 10.d4=) 10.Bc3 (10.d4 e4 11.Nh4 cd4 12.Bd4 g6=) 10...Ne4 (10...a6 11.d4=) 11.Bb2 f5 (11...a6 12.d3 Nef6 13.Nc3=) 12.Qc2 (12.d3 Ng5=) 12...Ng5 (12...a6 13.d3 Ng5 14.Ng5 Bg5 15.Nc3=) 13.Ng5 Bg5 14.Nc3 Qe8 15.f4 ef4 16.ef4 Bf6 17.Bf3 Bf3 18.Rf3 Bd4 19.Kh1 Qg6 (19...Qf7!? 20.Nd5 Bb2 21.Qb2 Rae8=) 20.Nd5+/– Rae8 21.Bd4 cd4 22.Rg3 (22.Qd3 Kh8+/–) 22...Qe6 (22...Qf7 23.Rh3+=) 23.Rf1 (23.Kg1 Nf6 24.Nc7 Qe4+=) 23...Nc5 (23...Nf6 24.Nb4=) 24.Ra3 (24.Kg1 Qe2=) 24...Qe2 (24...Qe2 25.Kg1 Re6=). Radwan,Jan (2000) – Witusik,Jerzy (1800), XVI Mistrzostwa Podhala (Rabka) Poland, 2000.

8.b5 a6 9.a4 Nbd7 (9...c5 10.Nc3=) 10.d4 ed4 (10...e4 11.Nfd2=) 11.ed4 (11.Qd4 Nc5 12.Nbd2 Qd7=) 11...ab5 12.ab5 (12.cb5 Nd5=) 12...Ra1 13.Ba1 Be4 (13...d5!?=) 14.Nc3+= Bg6 (14...Bb7 15.d5+=) 15.Re1 (15.Nh4 d5+/–) 15...h6 (15...Re8 16.Nh4+=) 16.Nh4+/– Bh7 17.Bd3 Ne4 (17...d5 18.Bh7 Kh7 19.cd5+/–) 18.Ne4 (18.Qe2 Ndf6+/–) 18...Bh4 19.g3 (19.Bc3 Re8+/–) 19...Be7+= 20.Qc2 (20.Qf3 Re8+=) 20...Be4 (better is 20...Re8!?+=) 21.Be4+/– Nf6 (21...Re8 22.Bc3+/–) 22.Bc6+– Nh7 (22...d5 23.c5+/–) 23.f4 f5 (23...Bf6 24.Bc3+–) 24.Qe2 Bf6 25.Qh5 Qb8 (25...Be7 26.Bc3+–) 26.Bd5 Kh8 27.Bc3 Rd8 (27...Qd8 28.Qg6+–) 28.Qf5 Nf8 (28...Re8 29.Ra1 Qd8 30.Qh5+–) 29.Qh5 Kh7 (29...Nh7+–) 30.Qf7 Nd7 31.Be6 Qc8 32.g4 Bh4 (32...Kh8 33.g5 Rf8 34.Bd7 Rf7 35.Bc8 hg5+–) 33.Bf5 (33.d5 Ne5 34.Be5 de5 35.Bc8 Be1 36.Bf5 Kh8+–) 33...Kh8 34.d5 (34.d5 Bf6 35.Bf6 Nf6 36.Re7+–) 1–0. Janek – Barma, internet free game, 2017.

8.b5 a6 9.Qc2 h6 (9...ab5 10.cb5 c5 11.Nc3=) 10.Nc3 ab5 11.cb5 Nbd7 (11...c5 12.bc6 Nc6 13.a4=) 12.Qf5 e4 (12...c5 13.bc6 Bc6 14.Rfc1+=) 13.Nd4+= Nc5 14.Qh3 (14.Rac1 Re8=) 14...Bc8 (14...d5 15.Nf5 Bd6 16.Nd6 Qd6 17.Rac1=) 15.Qg3+= Bd7 16.Nc6 (16.f3 d5+=) 16...Bc6= 17.bc6 d5 18.Nb5 Ne6 (18...Ne8!?=) 19.d3 Ra5 20.a4 Nc5 (20...ed3 21.Bd3 Nh5 22.Qf3+=) 21.Rfd1 (worse is 21.Nc7 ed3 22.Bf3 Nce4 23.Be4 de4+=) 21...Ne8 22.Bc3 Ra8 23.Ra2 ed3 24.Bd3 Nd3 (24...Bd6 25.Nd6 Qd6 26.Qd6 Nd6 27.Bc2+/–) 25.Rd3 Bd6 (25...Bf6 26.e4 Bc3 27.Rd5+/–) 26.Qg4 Nf6 27.Bf6 Qf6 28.Rd5 Ra5 (28...Bc5 29.Rd7 Qc6 30.Rc7+/– (worse is 30.Nc7 h5 31.Qf3 Qd7 32.Na8 Qa7–/+)) 29.Rd1 Rfa8 (29...Be7 30.Rc2+– (30.Nc7?! Qc6 31.Nb5 Rfa8+/–)) 30.Nd6 cd6 31.Raa1 (31.Qd7 Qc3+–) 31...Rc5 32.Rac1 Qd8 (32...Rc1 33.Rc1 Qb2 34.Qd1+–) 33.Rc5 bc5 34.h3 Qc7 35.Qd7 Qd7 (35...Rc8 36.Rd6 c4 37.Kf1+–) 36.cd7 Kf8 37.Rd6 Ke7 38.d8R Rd8 39.Rd8 Kd8 40.Kf1 Kc7 41.Ke2 Kb6 42.Kd3 Ka5 43.Kc4 Ka4 (43...Kb6+–) 44.Kc5 Kb3 (44...h5 45.Kd6 Kb3 46.Ke7+–) 45.Kd6 Kc3 46.Ke7 Kd3 (46...f6 47.Kf7 Kd3 48.Kg7+–) 47.Kf7 (47.Kf7 h5 48.Kg7+–) 1–0. pierre (2345) – Gery Kasparov (1960), ChessWorld.net, 2005.

8.b5 c5 9.Nc3 Nbd7 10.Qc2 h6 11.Nh4 d5 (11...Re8 12.Nf5+=) 12.cd5+= Nd5 13.Nf5 Bf6 (13...a5!?+=) 14.Nd6+/– Qc7 ( 14...Nc3!? 15.dc3 Bd5+/–) 15.Nb7+– Qb7? ( 15...Nc3 16.Bc3 Qb7+–) 16.Qe4 Rad8 17.Nd5 Qc8 18.Bd3 g6 19.Bc4 Bg5 20.Ne7! Be7 21.Qg6 (21.Qg6 Kh8 22.Qh6 Kg8 23.f4+–) 1–0. pierre (2210) – katrica (1615), internet, 2007.

8.b5 Nbd7 9.d4 e4 10.Nfd2 a6 11.f3=.

8.b5 Nbd7 9.d4 e4 10.Nfd2 d5 11.cd5 Bd5 12.Nc3 Bb7 13.Qc2 e4 seems the pivot of the position 13...Nc5?? (better is 13...Rc8+/–) 14.dc5+– 1–0. Janek – Edward, internet, 2016.

8.b5 Nbd7 9.d4 e4 10.Nfd2 d5 11.cd5 Nd5 12.Qb3 N5f6 13.Nc3 Bd6 14.Nc4 Be7 15.Qc2 Re8 16.Rfd1 Bf8 (16...a6 17.a4+=) 17.Ne5 (17.Rac1 a6 18.ba6 Ba6+=) 17...Bd6+= 18.Nc4 (18.Nc6 Bc6 19.bc6 Nf8+=) 18...Qe7 (18...Bf8 19.Rac1+/–) 19.a4 Nd5 20.Nd6 cd6 21.Nd5 Bd5 22.Rdc1 Be6 (better is 22...Qd8!?+=) 23.Qe4+/– d5 (23...Nf6 24.Qf3+/–) 24.Qc2 Qg5 25.Qc7 h5 (25...Bg4 26.Qg3 Nf6 27.h3+–) 26.Qg3 (26.a5 h4+–) 26...Qh6 (26...Qg3 27.hg3 Nf6 28.Rc7+–) 27.Rc7 h4 28.Qd6 Nf6 29.Bd3 (29.a5 Ne4 30.Qc6 Qf6+–) 29...Nh5 (29...Ne4 30.Be4 de4 31.Qc6+/–) 30.Rac1 Rad8 31.Re7 (31.Qb4 h3 32.g3 Rd7+–) 31...Qg5 (31...Rd6?? 32.Re8) 32.Re8 Re8 33.f4 (33.Rc7!? h3 34.g3 Rd8+–) 33...Qg4 34.Qc6 (better is 34.Ba3!?+–) 34...Rc8+= 35.h3 Rc6 36.hg4 Rc1 37.Bc1 Bg4 38.Bc2 Kf8 39.Bb3 (39.Ba3 Ke8=) 39...Nf6= 40.Ba3 Ke8 41.Bd6 Kd7 42.Bb8 Kc8 43.Bd6 (43.Be5 Be6+=) 43...Be6 44.Bf8 g6 45.Kf2 Ng4 46.Ke2 Kd7 47.Bb4 Nf6 48.Be1 h3 49.gh3 Bh3 50.Bh4 Ne4 51.Be1 Ke6 52.Bb4 Bg4 53.Ke1 Bh5 54.Bf8 Bg4 55.Bg7 f6 56.Bf8 Bh5 57.Bc2 Bf3 58.Bb4 (58.Bh6 Kf5=) 58...Bh5 (58...g5!?+=) 59.Bd3 Bf3 60.Bf1 (60.Bc2 g5+=) 60...Bg4 61.Bg2 Kf5 (61...Bf5 62.a5+=) 62.a5 Ke6 63.a6 Nd6 64.Bf1 (64.Bd6 Kd6 65.e4 de4 66.Be4 Bd7 67.Bg6 Bb5–/+) 64...Nc4 65.Kf2 Bd1 (65...Bf5!?=) 66.e4+/– Ba4 67.ed5 Kd5 68.Bg2 Ke6?? (better is 68...Kd4 69.Be7 Bb5 70.Bf6 Kd3–/+) 69.Bc6+/– Nd6 70.d5 Ke7 71.Ke3 Bb3 72.Kf3 Bd1 73.Kg2 Bg4 74.Bc5?? (74.Kg3 Bf5+/–) 74...Bc8?? (better is 74...bc5 75.Kg3 Be2–+) 75.Bb6+= Nb5?? (75...ab6 76.a7) 76.Bb5 (76.Bc5 Nd6+/–) 76...Ba6?? (76...ab6 77.a7 Bb7+–) 77.Bc5 (77.Bc5 Kd8 78.Ba6+–) 1–0. Sundin,Thommy (1890) – Norell,Ulf (1780), Soederhamn SWE, 1988.

8.b5 h6 9.h3 a6 10.Nc3 ab5 11.cb5 Nbd7 12.d3 c5 13.bc6 Bc6 14.d4 e4 15.Nd2 d5 16.Qb3 Ra5 (16...Qc7 17.Nb5 Qb7 18.Rfc1=) 17.Rfc1+= Qb8 18.Nb5 Bb5 19.Bb5 Rc8 20.Rc8 Qc8 21.Rc1 Qb8 22.Nb1 Qa7 (22...Ra7 23.Nc3 Qd6 24.Rc2+/–) 23.a4 Qb7 24.Nc3 Ra8 (24...Nb8 25.Na2+–) 25.Nd5!+– Nd5? (25...Qd5 26.Bc6 Double attack (26.Bc6 Decoy); 25...Nd5 26.Bc6 Double attack (26.Bc6 Decoy)) 26.Bc6 Qb8 (26...Qa7 27.Bd5 (27.Qd5?! Nf6 28.Qf5 Rd8+–) 27...Rf8 28.Be4+–) 27.Bd5 (27.Bd7?! Qd6 28.Bc6 Ra5+–; 27.Qd5?! Nf6 28.Qe5 Bd6+–) 27...Ra7 (27...Nf6 28.Ba8 Qa8 29.Rc7+–) 28.Bf7 (worse is 28.Be4 Nf6 29.Bg6 Qe8+–) 28...Kf8 (28...Kh8+–) 29.Bg6 Nf6 30.Qf7 1–0. pierred – anony, internet, 2014.

8.Qc2 Nbd7 9.d4 ed4 10.ed4 Be4 11.Qb3 (11.Qa4 a5=) 11...c5 (11...d5 12.Nc3 dc4 13.Qc4=) 12.dc5 (12.Nc3 cb4 13.Ne4 Ne4=) 12...dc5= 13.b5 Qc7 (13...a6 14.Nc3=) 14.Nbd2 (14.Nc3 Rfe8=) 14...Bb7 15.Bd3 Rfe8 16.Rfe1 Bd6 17.Qc3 Bf8 (17...a6 18.ba6 Re1 19.Re1 Ra6 20.Qb3=) 18.Qc2 g6 (18...Bd6 19.Rad1=) 19.Ne4 (19.Rad1 Bg7+=) 19...Bg7 20.Rad1 (20.Nf6 Bf6 21.Bf6 Nf6=) 20...Ne4 21.Be4 (21.Bg7 Nf2 22.Qf2 Kg7+=) 21...Be4 (21...Re4 22.Re4 Bb2+=) 22.Re4+= Bb2 23.Re8 Re8 24.Qb2 Ne5 25.Ne5 Qe5 26.Qe5 Re5 27.f3 Re2 28.a4 (28.a3 Rc2 29.Rd7 Kg7=) 28...Ra2+= 29.a5 Ra5 (worse is 29...ba5 30.Rd5+=) 30.Rd2 (30.Rd7 Ra4 31.Kf2 Rc4 32.Ra7 Rb4–+) 30...Ra3 (30...Ra1 31.Kf2–/+) 31.Rc2 (31.Re2 Kf8+=) 31...Kf8 32.Kf2 Rd3 (32...Ra4 33.Ke3–/+) 33.Ke2 (33.Ra2 Rd7+=) 33...Rd4–/+ 34.g3 Kg7 35.h3 Kf6 36.Rc3 (36.Ke3 h6–/+) 36...Ke5 (36...h5 37.Ke3–/+) 37.Re3 Kf6 (37...Kf5 38.Re7 Kf6 39.Ra7 Rc4 40.Ra6=) 38.Rc3 Ke6 (38...h5 39.Ke3–/+) 39.Re3 Kd6 40.Rd3 (40.Ra3 Rc4 41.Ra7 Rb4 42.Rf7 Rb5 43.Rh7 c4+=) 40...Rd3 41.Kd3 f5 42.Ke3 Ke5 43.f4 Kd6 44.g4 Kc7 (44...h6 45.gf5 gf5 46.h4–/+) 45.gf5 (45.g5 Kd6–/+) 45...gf5 46.Kf3 Kb7 47.Kg3 (better is 47.Ke2!?–/+) 47...a5–+ 48.ba6 Ka6 49.Kh4 (49.Kf3–+) 49...b5 50.cb5 Kb5 51.Kg5 c4 52.Kf5 c3 53.Ke6 c2 54.f5 c1Q 55.f6 Qe3 (55...Qe3 56.Kf7 Qh3–+) 0–1. Staffeldt,Sven – Visser,Bert Steffen, NED–ch U20 Hengelo, 1994.

8.Nc3 a6 9.d4 ed4 10.Nd4 (worse is 10.Qd4 Nc6 11.Qf4 Nb4+=; worse is 10.ed4 d5 11.c5 Re8=) 10...c5 11.bc5 bc5 (11...dc5 12.Nf5+=) 12.Nf5 Re8 13.Bf3 Bf3 14.Ne7 (14.Qf3 Nbd7 15.Nd5 Nd5 16.Qd5+/– (worse is 16.cd5 Bf6 17.Nd6 Bb2 18.Qf7 Kh8 19.Qe8 Qe8 20.Ne8 Ba1+=)) 14...Qe7= 15.Qf3 Ra7 16.Rab1 Nbd7 17.Rfd1 (17.Nd5 Nd5 18.cd5 Qe4=) 17...Ne5 18.Qf4 Rd7 (18...Rb7 19.Ba1 Rb1 20.Nb1=) 19.Nd5 Nd5 20.cd5 (worse is 20.Rd5 Rb8 21.Rd2 Rdb7–/+) 20...Ng6 21.Qg3 (21.Qc4 Qe4 22.Qa6 c4=) 21...Rb7= 22.Bc3 (22.Ba1 Rb1 23.Rb1 Qe4–/+) 22...Reb8 (better is 22...Rb1!? 23.Rb1 Qe4–/+) 23.Rb7+= Rb7 24.h3 (24.Qg4 Qd7 25.Qe4 f6=) 24...Qd8 (24...Qe4 25.Rd2 (worse is 25.Qd6 Qc2 26.Rf1 Qc3–/+) 25...Qb1 26.Kh2+=) 25.f4 (25.e4!?+=) 25...f5= 26.e4 Qh4 (better is 26...fe4!? 27.f5 Ne5=) 27.Qh4+/– Nh4 28.e5 Rd7 29.e6 Rb7 30.Kf2 Ng6 31.Kf3 Ne7 32.g4 g6 33.Bf6 Kf8 34.Bc3 (34.Be7 Ke7 35.gf5 gf5+/–) 34...Rb5 (34...Kg8 35.gf5 Nf5 36.Re1+=) 35.Bf6 Rb7 (35...c4!? 36.Be7 Ke7 37.gf5 gf5=) 36.Bc3 ½–½. Vaast,Jean Philippe – Demery,Patrick, Reunion op 7th, 2004.

8.Nc3 Na6 9.b5 Nc5 10.d4 Nce4 11.de5+/– de5 12.Ne5 Qd1 13.Rfd1 Nc3 14.Bc3 Ne4 15.Bd4 Ng5 16.a4 Bd6 17.a5 ba5 18.c5 Be7 19.c6 Bc8 20.Ra5 Bb4 21.Ra7 Ra7 22.Ba7 Ne4 23.b6 cb6 24.Rd4 Nc3 25.Rb4 (25...Ne2 26.Kf1+–) 1–0. Trkn – faro, ICC, 2004.

8.Nc3 Nc6 9.a3 A) 9...Re8 10.Re1 (10.b5 Na5 11.d4 e4 12.Nd2 a6 13.a4+=; 10.Qb3 a6 11.d4 Qd7 12.Rfd1 ed4 13.ed4+=; 10.d4 ed4 11.ed4 d5 12.Re1 a6 13.Qb3+=) 10...a5 11.b5 Nb8 12.d4 Nbd7 13.Qc2+=; B) 9...a6 10.d4 (10.Qb3 e4 11.Ng5 Qd7 12.Nge4 Ne4 13.Ne4+=) 10...ed4 11.Nd4 Nd4 12.Qd4 a5 13.Nd5+=; C) 9...Nb8 10.d4 (10.Qc2 a5 11.b5 Re8 12.d4 Nbd7 13.de5+=; 10.d3 Nbd7 11.d4 a5 12.d5 c6 13.dc6+=) 10...Nbd7 11.d5 c6 12.e4 Rc8 13.dc6+=; D) 9...a5 10.b5 Nb8 11.d4 Nbd7 12.Qc2 Re8 13.Rad1+=.

8.Nc3 Nc6 9.b5 Nb8 (9...Na5 10.d4 (10.Qc2 c5 11.Rfb1 Qd7 12.a3 e4 13.Ng5=) 10...ed4 11.Qd4 a6 12.Rfd1 Re8 13.e4+=) 10.d4 (10.Qc2 a6 11.e4 ab5 12.cb5 c5 13.Rfc1=) 10...e4 (10...Nbd7 11.Qc2 a6 12.de5 Ne5 13.Ne5+=) 11.Nd2 a6 12.a4 ab5 (12...d5 13.cd5+=) 13.ab5 (13.Nb5?! c6 14.Nc3 d5=; 13.cb5?! d5=) 13...Nbd7 (13...Ra1 14.Qa1 Re8 15.d5+/–) 14.Qc2 d5 15.Ra8 Ba8 16.f3 (better is 16.cd5!? Nd5 17.Nd5 Bd5 18.Ne4+–) 16...ef3+= 17.Bf3 dc4 18.Ba8 Qa8 19.Ra1 Qb7 20.Nc4 Nd5 (20...c5!?+=) 21.Qf5+/– N7f6 22.Nd5 Qd5 23.Qd5 Nd5 24.Ra7 (24.e4 Nf6 25.Ra7 Bd8+/–) 24...Bd8 (24...f5 25.Ba3 Re8 26.Be7 Re7 27.Kf2+=) 25.Ne5 (25.e4!? Nf6 26.Ba3+–) 25...Ne3= 26.Bc1 (26.Ba3!? Re8 27.Ra8=) 26...Nf5+= 27.Nc6 Nd6 28.Nd8 (28.Ra8 Bf6 29.Rf8 Kf8+=) 28...Rd8–/+ 29.Rc7 Nb5 30.Rc6? (better is 30.Rb7–/+) 30...Nd4–+ 31.Rb6? (31.Rc7 Ne6 32.Rc6–+) 31...Ne2 (31...Ne2 32.Kf2 Nc1–+) 0–1. Trkn – The Chess Machine, itsyourturn.com, 2000.

8.Nc3 Qd7 9.Qb3 a6 (9...c5 10.bc5 (10.b5 e4 11.Ne1 a6 12.ba6 Na6 13.Na4+=; 10.d4 ed4 11.ed4 cb4 12.Qb4 d5 13.Qb5=) 10...bc5 11.d4 e4 12.Nd2 cd4 13.ed4+=; 9...e4 10.Ne1 a6 11.f3 d5 12.cd5 Nd5 13.fe4+=; 9...Qf5 10.d3 (10.a3 Nbd7 11.d4 a5 12.b5 Rfe8 13.Rad1=; 10.d4 Nbd7 11.Rad1 a5 12.b5 Rfe8 13.a3=; 10.Rab1 a5 11.b5 Nbd7 12.d4 Rfe8 13.Rbd1=) 10...a5 11.b5 Nbd7 12.e4 Qg6 13.Nh4+=; 9...c6 10.d4 e4 11.Nd2 d5 12.Rac1 Qf5 13.a3+=) 10.a4 (10.d4 ed4 11.Nd4 c5 12.bc5 bc5 13.Nf3+=) 10...Qe6 (10...e4 11.Ne1 d5 12.cd5 Nd5 13.d3=) 11.d4 ed4 (11...a5 12.Nb5 Na6 13.ba5+/–) 12.Nd4 Qe5 (12...Qd7 13.Nd5+=) 13.Bf3 Bf3 14.Nf3 (worse is 14.gf3 c5 15.Nc2 Qh5+=) 14...Qe6 15.b5 Nbd7 16.Nd4 Qe5 (16...Qg4!?+=) 17.Nc6+/– Qe6 18.Nd5 Nd5 19.cd5 Qe4 20.f3 Qh4 21.g3 Nc5 22.gh4 Nb3 23.Ne7 (23.Ne7 Kh8 24.Ra3+–) 1–0. Kreuzer – Werner, Bez–cp Mannheim, 1980.

8.Nc3 Qd7 9.b5 a6= 10.a4 ab5 11.ab5 Qc8 (11...Ra1 12.Qa1 Qe6 13.Rc1=) 12.d4 e4 (12...Ra1!? 13.Qa1 Nbd7+=) 13.Nd2 Nbd7 (13...Ra1 14.Qa1 d5 15.cd5+/–) 14.Qc2 c6 15.Nde4 (15.Ra8 Ba8 16.bc6 Bc6+–) 15...Ne4 (15...cb5!? 16.Nf6 Nf6 17.Nb5 d5+/–) 16.Qe4+– (16.Ne4?! cb5 17.Ng3 bc4+=) 16...Re8 17.Ra8 (17.bc6 Bc6 18.Nd5 Bf8+–) 17...Ba8 18.Qd3 cb5 19.Nb5 d5 (19...Qd8 20.Qf5+–) 20.Qb3 (20.cd5!? Nf6 21.e4 Qd7+–) 20...dc4 (20...Nf6!?+/–) 21.Bc4+– Rf8 22.Rc1 Qb7 23.Bf1 (23.f3 Qb8+–) 23...Rc8 24.Nc3 (24.Rc8 Qc8 25.Bc4 Qf8+–) 24...Nf6 25.Ra1 Qc6 (25...Qc7 26.Nb5 Qd8 27.Bc4+–) 26.Nb5 (26.Ra7!? Bb7+–) 26...Qd5 27.Qd5 Bd5 28.Nc3 Kf8 (28...Be6 29.Ra6+–) 29.f3 (29.Ra6 Bb4 30.Nd5 Nd5+–) 29...Bc4 (better is 29...Bb4!? 30.Nd5 Nd5+/–) 30.Bc4+– Rc4 31.Ra8 Ne8 32.Rb8 Rc6 (32...f5 33.Rb6 Nf6 34.Rb7+–) 33.d5 Rg6? (33...Rc7+–) 34.Nb5 Rd6 (34...Bc5 35.Nc7 Ke7 36.Ne8 (worse is 36.Re8 Kd7+–) 36...Be3 37.Kh1+–) 35.Nd6 Bd6 36.Rb6 f6 37.Rd6! Nd6 38.Ba3 Ke7 39.Bd6 Kd6 40.e4 Ke5 41.Kf2 g5 42.Ke3 f5 43.g3 f4 (43...fe4 44.fe4 g4+–) 44.gf4 gf4 45.Kf2 h5 46.Kg2 1–0. Portnoi,Yuriy – Eremin,Boris, Zavolje, 2006.

8.Nc3 Qd7 9.d4 A) 9...Qf5 10.d5 Qg6 11.Bd3 e4 12.Bc2 Bc8 13.Qb1+=; B) 9...ed4 10.ed4 d5 11.Ne5 Qe8 12.c5 bc5 13.bc5+=; C) 9...Rd8 10.d5 (10.a3 a6 11.Qc2 ed4 12.ed4 Re8 13.Rfe1+=; 10.Qb3 ed4 11.ed4 Re8 12.Rfe1 c6 13.d5+=) 10...c6 11.e4 cd5 12.cd5 Na6 13.Qb3+=; D) 9...e4 10.Nd2 d5 11.a3 c6 12.Rc1 a5 13.ba5+=.

8.d3 c5 9.b5 a6 10.a4 a5 11.Nbd2 Nbd7 12.Qc2 Nh5 (better is 12...Qc7!?=) 13.Ne5+/– Ne5 14.Bh5 f5 15.Be2 (15.d4 Ng4 16.h3+–) 15...Bg5? (better is 15...Qe8+/–) 16.f4+– Bf4?! (16...Bh6 17.fe5 Be3 18.Kh1 Qh4+–) 17.ef4 Ng4 18.Bg4 fg4 19.Rf2 Qh4 20.Raf1 (20.Ne4 Rad8+–) 20...g3 (20...Rae8 21.Ne4 Qh6 22.f5 Be4 23.de4+–) 21.hg3 Qg3 22.Ne4 Qg4 (22...Be4 23.de4 Rf7 24.Qd1+–) 23.Qc3 (better is 23.Nd6 Qd7 24.Nb7 Qb7+–) 23...Rf5 (23...Be4 24.de4 Rae8 25.Qd3+–) 24.Qe1 (better is 24.Nd6 Rf6 25.Nb7 Qd7 26.Nc5 bc5+–) 24...Re8 (24...Qg6+–) 25.Nf6! (25.Nf6 Rf6 26.Qe8 Rf8 27.Qe7+–) 1–0. GuestPVHT – GuestLZDH, freechess.org, 2017.

8.d3 c5 9.bc5 dc5 (9...bc5 10.d4 cd4 11.ed4=) 10.Nbd2 (better is 10.Ne5!? Nbd7 11.f4+/–) 10...e4= 11.de4 Ne4 12.Ne4 Be4 13.Qb3 Qc7 14.Rfd1 Nd7 15.Rd2 Bb7 16.Rad1 Rad8 17.Qc3 Bf6 18.Qc2 Bb2 19.Qb2 Nf6 20.Rd8 Rd8 21.Rd8 Qd8 22.Qd2 Qd2 23.Nd2 Nd7 24.f4 f6 25.g4 Kf7 26.Kf2 Ke6 27.h4 Nf8 28.g5 Kd6 29.Bf3 Bf3 30.Kf3 a6 31.a4 h6? (better is 31...Ke6!?=) 32.gf6+– gf6 33.Ne4 (better is 33.Kg4!?+/–) 33...Ke6+= 34.Nc3 Ng6 35.Kg4 h5? (better is 35...Ne7+=) 36.Kh5+– Ne7 37.Kg4 Kf7 38.h5 Kg7 39.e4 Kh6 (39...Kf7 40.Nd5 Nc8 41.e5 fe5 42.fe5+–) 40.Nd5 (40.Nd5 Nc8 41.e5 fe5 42.fe5+–) 1–0. Fournier,Frederic (1845) – MIKEL40 (1705), Active (5/0), 2004.

8.d4 c5 9.bc5 bc5 (9...ed4 10.cd6 Qd6 11.Ba3 Qc7 12.Be7 Qe7 13.ed4+/–; 9...e4 10.cd6 Bd6 11.Ne5 Qc7 12.Nd2 Rd8 13.Rb1+=; 9...Bf3 10.cd6 Bd6 11.de5 Be2 12.Qe2 Be5 13.Be5+/–) 10.de5 de5 11.Ne5 Qd1 (11...Nc6 12.Nc6 Bc6 13.Qc2+/–) 12.Rd1 Rd8 (12...Nc6 13.Nd2+/–) 13.Rd8 Bd8 14.Nd2 Nc6 (14...Nbd7!?+/–) 15.Nd3+– Be7 16.Bf6 Bf6 17.Rb1 (17.Nc5?! Ba1 18.Ndb3 Be5 19.Nb7 Rb8+=) 17...Rb8 18.Bf3 Bc3 (18...Rd8 19.Rb7 Rd3+–) 19.Bc6 Bd2 20.Nc5 Bb4 21.Rb4 (21.Rb4 Rd8 22.Bd7+–) 1–0. Bonetti,Shane – pitbull, ICC, 2002.

8.d4 Nbd7 9.a3 e4 10.Nfd2 c5 11.d5 a5 12.ba5 Ra5 13.Nc3 Ra8 (13...Ne5!?+=) 14.Qc2+/– Ba6 15.Rab1 Ne5 16.Nce4 Ne4 17.Ne4 Bf6? (better is 17...Bc8+/–) 18.f4+– Ng6 (18...Nd7 19.Nd6 Bb2 20.Qb2 Nf6+–) 19.Bf6 gf6 20.Qc3 Kh8 (20...f5 21.Nf6 Kh8 22.Rf3+–) 21.Nf6 Bc8 22.Rb3 Ne5 (22...Ra6+–) 23.fe5 (23.fe5 Rg8 24.e6 fe6 25.de6+–) 1–0. marektheim – uctp, internet, 2015.

8.d4 Nbd7 9.b5 h6 (better is 9...e4!? 10.Nfd2 a6=) 10.de5+/– de5 11.Ne5 (11.Be5?! Bf3 12.Bf6 Bf6 13.Bf3 Rc8=) 11...Ne5 12.Be5 Bd6 13.Bd6 cd6 14.Nc3 Rc8 15.Qa4 Nh7 (better is 15...Rc7!?+/–) 16.Qa7+– Ba8 17.Rfd1 Qg5 18.Nd5 Rfe8 (18...Bd5 19.Rd5 Qd8+–) 19.Qb6 Re4 (19...Nf6 20.Nf6 (worse is 20.Qd6 Bd5 21.cd5 Ne4+–) 20...Qf6 21.Qd6+–) 20.Qd6 Rce8 21.a4 R4e6 (21...Bd5 22.Rd5 Qh4 23.g3+–) 22.Qd7 (better is 22.Qf4 Bd5 23.Qg5 Ng5 24.Rd5 Ne4+–) 22...Nf8 23.Qc7 Ng6 (23...Bd5 24.Rd5 (worse is 24.cd5 Rg6 25.Bf3 Qf6+–) 24...Qf6 25.Rdd1+–) 24.a5 Nh4 (24...Bd5 25.Rd5 Qf6 26.Rdd1+–) 25.Qg3 Rg6 26.Bd3 f5 27.Nf4 Qf6 28.Ng6 Ng6 29.c5 Ne5 30.Be2 1–0. Fournier,Frederic (2080) – NN, Active (7/4), 2004.

8.d4 Nbd7 9.de5 de5 10.Be5 Ne5=+ 11.Ne5 Bb4 12.Bf3 Ne4 13.Qc2=+ f5 14.c5 Qd5–/+ 15.Nd3 Bc5 16.Nc3 Qc4 17.Nc5 Nc5 18.Be2 Qf7 19.Rfd1 Kh8 20.Rd4 Be4 21.Qd2 Qg6 22.Ne4=+ fe4 23.Rd1 Rae8 24.Bb5 Re6 25.Rd8 Ref6 26.Rf8 Rf8 27.Qd5 h6 28.Rd2 Qf6 29.h3 a6 30.Bc6 Kh7 31.f3 ef3 32.gf3 Qe7–+ 33.Qd4 Rf6 34.Bd5 c6 35.Be4 Ne4 36.Qe4 Qe4 37.fe4 Kg6 38.e5 Re6 39.e4 Kg5 40.Rd6 Rd6 41.ed6? Kf6–+ 42.e5 Ke6 43.Kf2 g5 44.Kf3 c5 45.a3 b5 46.Ke3 a5 47.Kd3 h5 48.Ke3 g4 49.hg4 hg4 50.Ke4 c4 51.Ke3 c3 52.Kd3 0–1. PeterRs – oldsage, ChessWorld.net, 2006.

8.Nc3 Nbd7

9.a3 e4 A) 10.Nd4 Ne5 (10...a5 11.b5 Ne5 12.f3 ef3 13.Nf3 Qd7+=; 10...c5 11.Nf5 cb4 12.ab4 d5 13.b5 dc4+=) 11.f4 Ng6 12.d3 d5 13.de4 de4+=; B) 10.Ng5 h6 11.Nh3 Ne5 12.Nf4 Qd7 13.Qc2 a6+=.

9.a4 a5 10.b5 c5 11.Qc2 h6 12.Rad1 Rc8 13.d4 Qc7 (13...cd4!? 14.ed4 Bf3 15.Bf3 Rc4=) 14.d5 Rce8 15.Nh4 g5? (better is 15...Nd5 16.Nd5 Bd5 17.Rd5 Bh4+=) 16.Nf5+– Kh8 17.f4 ef4? (better is 17...gf4 18.ef4 Rg8+–) 18.ef4 Nh7 19.Ne4 Kg8 (19...Bf6 20.Nfd6 gf4 21.Ne8 Re8 22.Nf6 Nhf6+–) 20.Nh6 1–0. Kuhn,Hubert – Karn,Torsten, Hassloch op–B, 1998.

9.b5 a6 10.a4 c6N (10...Nc5 11.Qc2=) 11.bc6+= Bc6 12.d4 ed4 (12...Rc8!?+=) 13.Nd4+/– Bb7 14.Nf5 Ne5 (better is 14...Nc5!?+/–) 15.Ba3+– Re8 16.Bd6 Bd6 17.Nd6 (17.Qd6?! g6 18.Qd8 Red8+=) 17...Qd7? (better is 17...Re7 18.Rb1 Bg2 19.Kg2 Rd7+–) 18.Ne8 Qe8 19.Qd4 Ng6 (19...Qc6 20.f3 Ned7 21.e4+–) 20.Rab1 Ne4 (20...Bc6 21.Rb6 Rd8 22.Qc5 Ba4 23.Ra6+–) 21.Rb6 Nc3 22.Qc3 Be4 (22...Bc6 23.a5+–) 23.a5 Rc8 (23...Rd8 24.c5 h6 25.Rd6+–) 24.c5 h6 (24...Qf8 25.Rc1 Qd8 26.f3+–) 25.Ba6 Rc7 26.f3 Bd5 (26...Bc6 27.Rfb1 Qe7 28.Bb5+–) 27.Qd4 Rd7 (27...Bc6 28.Rfb1 Kh7+–) 28.Bb5 1–0. Janek – Aldair, internet free game, 2017.

9.b5 c6 10.a4 cb5 11.ab5 Nc5 12.d4 ed4 13.Nd4 (worse is 13.Qd4 Nb3 14.Qf4 Na1 15.Ra1 Re8–/+) 13...Qd7 14.Qc2 Rfc8 15.Na4 Be4 16.Qc3 d5 17.cd5?? (better is 17.f3 Bg6 18.Rfd1 Na4 19.Ra4 dc4 20.Nc6+=) 17...Na4–+ 18.Ra4 (18.Qd2 Nb2 19.Qb2 Nd5–+) 18...Rc3 19.Bc3 Nd5 (worse is 19...Qd5 20.Nc6 Re8 21.Ne7 Re7 22.Rd1–+) 20.Ba1 Bc5 21.Rd1 Qe8 22.Bb2 Bd4 (22...a5!? 23.Bc4–+) 23.Rdd4 Nf6 24.Rdc4 Bd5 25.Rd4 h6 26.Rd2 Bb7 27.Bf6 gf6 28.Rg4 Kf8 29.Rd6 Rd8 30.Rf6 Qe5 31.Rh6 (31.Rgf4 Qa1 32.Bf1–+) 31...Qa1 32.Bf1 Rd1 33.h3 Rf1 34.Kh2 Rf2 35.Kg3 (35.Rh5–+) 35...Rg2 36.Kh4 Qe1 37.Kh5 Bf3 38.Rh8 Ke7 39.Rhg8 (39.Re8 Ke8 40.Kg5 Qe3 41.Kf5 Bg4 42.Kf6 Be6 43.h4 Rg6#) 39...Qe3 40.Kh4 (40.R8g7 Bg4 41.Rg4 Qh3 42.Rh4 Qf5 43.Kh6 Qg6#) 40...Qh6 0–1. Neumann,Frank – Shim Ng Min,Francis, OP–2012–0–02202, 2012.

9.Qc2 a5 A) 10.a3 c5 (10...Re8 11.d4 c5 12.bc5 bc5 13.d5 Rb8+=; 10...ab4 11.ab4 e4 12.Ng5 d5 13.cd5 Nd5+=; 10...c6 11.d4 Re8 12.Rfd1 Qc7 13.Bd3 ed4+=; 10...Rc8 11.Qf5 c5 12.ba5 ba5 13.Rab1 Rb8+=; 10...Qc8 11.d4 ed4 12.Nd4 Re8 13.Nf5 Bf8+=; 10...Rb8 11.d4 Re8 12.Rfd1 ed4 13.Nd4 Ne5+=; 10...e4 11.Ng5 d5 12.cd5 Nd5 13.Nd5 Bd5+/–; 10...Ra7 11.d4 ed4 12.Nd4 Ne5 13.e4 Re8+=; 10...Qb8 11.d4 Re8 12.Rfd1 ab4 13.ab4 Ra1+=) 11.b5 Re8 12.e4 Ra7 13.Rfe1 Nh5+=; B) 10.b5 Ra7 (10...Re8 11.Rad1 Qc8 12.d4 ed4 13.Rd4 Nc5+=) 11.d4 Re8 12.Rad1 ed4 13.Rd4 Nc5+=.

9.Qc2 a6 10.d4 e4 11.Ng5 (11.Nd2 d5 12.a3 c6+=) 11...d5= 12.cd5 Bb4 13.Nge4 Bc3 (13...Ne4 14.Ne4 Bd5 15.Ng3+=) 14.Nf6 (14.Nc3!? Bd5 15.e4+/–) 14...Nf6= 15.Qc3 (15.Bc3 Re8=) 15...Nd5 (15...Re8 16.Rac1 Nd5 17.Qc4=) 16.Qb3 Qg5 (16...Re8 17.Bf3=) 17.Bf3+= Rfe8 18.Bc1 (18.Rac1+=) 18...Re7 (18...Qf5 19.Bd2=) 19.h4 Qf5 (19...Qh4 20.Bd5 Deflection) 20.e4 (20.Ba3!? Re6 21.Rfc1=) 20...Re4+= 21.Be4 (21.Qb1 Rae8+=) 21...Qe4–/+ 22.Qg3 (22.Qh3 Qd4 23.Bg5 h6–/+) 22...Qd4 (22...Nc3 23.Qh3–/+) 23.Rb1 (23.Bg5 c5+=) 23...Re8?? (better is 23...Qc3+=) 24.Bb2+– (24.Bb2 Nf4 25.Rbe1 Re1 26.Re1 (26.Bd4?! Ne2 27.Kh2 Ng3 28.Re1 Ne4+=) 26...Ne2 27.Re2 Qd1 28.Kh2+–) 1–0. Wall,Bill – Farmer,Steve, Palo Alto, CA, 1988.

9.Qc2 a6 10.d4 g6 11.a3+= Qc8 (11...ed4 12.Nd4 Re8 (12...Ra7 13.e4 Re8 14.Rad1 Bf8 15.f3 Bg7; 12...Rc8 13.Rfd1 Re8 14.Bf3 c6 15.b5 Ne5; 12...c5 13.Nb3 Re8 14.Rfd1 Qc7 15.b5 Ne5) 13.b5+= Nc5 14.ba6 Ra6 15.Nd5 Nfe4; 11...Re8 12.de5 de5 13.Rfd1 e4 14.Ne5 Bd6 15.Nd7 Nd7; 11...c5 12.d5 (12.bc5 bc5 13.de5 de5 14.Rab1 e4 15.Nd2 Bd6) 12...Bc8 (12...Qc7 13.Nd2 Rfc8 14.e4 cb4 15.ab4 Bf8; 12...Re8 13.Rfb1 Qc7 14.b5 Bc8 15.ba6 Ra6; 12...Rc8 13.Rfe1 Qc7 14.b5 Ra8 15.Rab1 Bc8) 13.Rfb1 Qc7 14.b5 Qd8 15.ba6 Ra6) 12.h3 (12.de5 de5 (12...Ne5 13.Ne5 de5 14.Rfd1 Qe6 15.Qb3 Rfd8) 13.Nd5 Nd5 14.cd5 Bd5+= 15.e4 Bb7; 12.e4 Re8 (12...ed4 13.Nd4 Re8 14.Nd5 Bf8 15.Bd3 Bg7) 13.Nd5 ed4 14.Bd4 c6 15.Nc3 c5; 12.Rad1 ed4 13.ed4 d5 14.Rfe1 Re8 15.Ne5 Bd6; 12.Rfe1 c5 (12...Re8 13.Rad1 Bf8 14.d5 c5 15.dc6 Qc6) 13.bc5 bc5 14.de5 Ne5 15.e4 Qd7) 12...Re8+= (12...ed4 13.ed4 Re8 14.Rfe1 d5 15.Qb3 c6; 12...c5 13.bc5 bc5 14.de5 Ne5 15.e4 Rb8) 13.Rfe1 (13.de5 de5 14.Rfd1 c5 15.b5 e4) 13...c6 (13...Bf8 14.d5 c6 15.e4 Bh6) 14.Qb3 (14.Rad1 a5+= (14...ed4 15.ed4 d5) 15.b5 e4; 14.e4 c5 15.d5 Qc7) 14...Qc7 15.d5 (15.Rac1 Bf8) 15...cd5 (15...Rac8 16.e4+=) 16.cd5 Rec8 17.Nd2 (17.Rac1 a5+=) 17...h5 (17...Qd8 18.e4+=) 18.e4 Kg7 19.Rec1 b5 (better is 19...Qd8!?+/–) 20.Nb5+– ab5?? (better is 20...Qd8 21.Nc3 a5+–) 21.Rc7 Rc7 22.Bb5 Ne4 (22...Rac8 23.a4+–) 23.Ne4 1–0. marre – PaperFan, internet, 2010.

9.Qc2 a6 10.d4 g6 11.Rad1 A) 11...e4 12.Nd2 d5 13.a3 c6 14.f3 ef3 15.Bf3 Qc7; B) 11...ed4 B1) 12.Rd4 c5 (12...Re8 13.Rfd1 c5 14.bc5 Nc5 15.a3 Rc8; 12...a5 13.b5 Re8 14.Nd5 Bf8 15.Rfd1 Bg7; 12...Ra7 13.Nd5 Re8 14.Rfd1 Nd5 15.cd5 Bf6) 13.bc5 Nc5 14.e4 Qc7 15.Rc1 Rac8; B2) 12.Nd4 c5 (12...Re8 13.b5 Nc5 14.Nb3 Nb3 15.Qb3 ab5) 13.bc5 Nc5 14.Nb3 Rc8 15.Nc5 Rc5; C) 11...Re8 12.d5 (12.de5 de5 13.a3 Bd6 14.Rd2 e4 15.Nd4 Qb8; 12.a3 ed4 13.Rd4 Bf8 14.Nd5 Bg7 15.Rdd1 Rc8; 12.e4 ed4 13.Nd4 a5 14.b5 Bf8 15.f3 Bg7) 12...Qc8 (12...a5 13.a3 Bf8 14.e4 Bh6 15.Ra1 Bc8; 12...Rc8 13.e4 c6 14.dc6 Bc6 15.Qd3 a5; 12...c6 13.dc6 Bc6 14.e4 Qc7 15.a3 a5) 13.e4 c5 14.dc6 Qc6 15.Qd3 a5.

9.Qc2 c5 A) 10.b5 h6 (10...Re8 11.Rfb1 h6 12.e4 a6 13.ba6 Ra6=; 10...Qc7 11.Qf5 Rfe8 12.d3 g6 13.Qh3 d5=; 10...Qc8 11.Rfb1 a6 12.d3 ab5 13.Nb5 Qc6=; 10...a6 11.ba6 Ra6 12.Rfb1 Re8 13.e4 Bc6=) 11.d4 cd4 12.ed4 Rc8 13.d5 Nc5=; B) 10.a3 a6 (10...Re8 11.Qf5 Qc8 12.d3 Nf8 13.Qc8 Rac8=; 10...Qc7 11.d4 cd4 12.ed4 a6 13.Rfd1 Rae8=) 11.Qf5 Qc7 12.d3 Rfe8 13.Rfb1 Nf8=.

9.Qc2 c6 10.a3 a5 11.d4 Re8 (11...Qc7 12.Rfd1 Rfe8 13.Bd3 ed4 14.Nd4 ab4+=) 12.Rfd1 Qc7 13.Bd3 ed4 14.Nd4 ab4+=.

9.Qc2 c6 10.a3 c5 A) 11.Qf5 Re8 (11...Qc8 12.d4 ed4 13.ed4 cd4 14.Nd4 Ne5+=; 11...a5 12.b5 Re8 13.d3 Nf8 14.Ng5 Bc8=; 11...a6 12.d4 Qc7 13.Rfd1 ed4 14.ed4 Rfe8+=; 11...Qc7 12.d4 a6 13.Rfd1 ed4 14.ed4 Rfe8+=; 11...Nb8 12.d4 Qd7 13.Qc2 ed4 14.ed4 cb4+=; 11...Rc8 12.b5 Re8 13.Rad1 a6 14.ba6 Ba6+=) 12.Rfd1 Qc8 13.d4 cd4 14.ed4 ed4=; B) 11.Rfd1 Re8 (11...a5 12.b5 Re8 13.Qf5 Qc7 14.d3 Rad8+=; 11...cb4 12.ab4 a5 13.ba5 ba5 14.d4 ed4+=; 11...d5 12.cd5 cb4 13.ab4 Nd5 14.Nd5 Bd5+/–; 11...Qc7 12.Qf5 a6 13.d4 ed4 14.ed4 Rfe8+=; 11...a6 12.d4 cd4 13.ed4 Qc7 14.Qf5 Rfc8+=; 11...Rc8 12.b5 Re8 13.Qf5 Qc7 14.d3 Ra8+=; 11...Qc8 12.d4 cd4 13.ed4 Re8 14.Rac1 a5+=) 12.Qf5 Qc8 13.d4 cd4 14.ed4 ed4=; C) 11.d4 cd4 (11...Re8 12.d5 cb4 13.ab4 a5 14.Qa4 ab4+=; 11...ed4 12.ed4 Re8 13.d5 Bc8 14.Rfe1 a6+=; 11...Rc8 12.d5 a6 13.Qf5 Nb8 14.Nd2 Rc7+=) 12.ed4 a6 13.Qf5 Re8 14.Rad1 ed4+=.

9.Qc2 c6 10.a3 d5 11.cd5 (11.d4 e4 (11...ed4 12.Nd4 dc4 13.Bc4 Ne5 14.Be2 c5+=) 12.Ne5 a5 13.Qb3 ab4 14.ab4 Bd6=) 11...cd5 12.d3 (12.Qf5 g6 (12...e4 13.Nd4 a5 14.ba5 Ra5=) 13.Qh3 a5= 14.b5 e4=) 12...Qc7 (12...Rc8 13.Rfc1 Rc7 14.Qd2 Qb8=) 13.h3 (13.Rfc1 Rfc8 14.Qb3 Qb8=) 13...Rac8 (13...a5 14.Rac1 Rac8=) 14.Qd2 (14.d4 e4=) 14...a6 15.Rac1 Qb8 (15...Qd6 16.b5+=) 16.Rc2 b5 17.Rfc1 Nb6 18.Nd1 (better is 18.Nh4=) 18...Qd6?? (better is 18...Rc2 19.Rc2 Bd6=) 19.Be5+– Qe6 20.Rc8 (20.Rc7 Rc7 21.Rc7 Bc8+–) 20...Rc8+/– 21.Rc8 Qc8 22.Bd4 Nbd7 23.Nc3 Nb8 24.Ne5 Bd6 25.Bf3 Qe6 26.Ng4 Ng4 27.Bg4 Qg6 28.Bf3 Qg5 29.Qa2 Nc6 (29...Qf5 30.Bd5 Nc6 31.Be4+–) 30.Qd5 Qg6 (30...Qe7 31.Bc5 Bc5 32.Qc5+–) 31.Be4 (31.Bc5 Bc5 32.bc5 Qe6+–) 31...Qh6 (31...Qe6 32.Bc5 Bc7 33.Qe6 fe6 34.f4+–) 32.Ne2 (32.Bc5!? Bc5 33.bc5 Qe6+–) 32...Nd8 33.Qf5 Be4 34.Qe4 Ne6 35.Qa8 Nf8 (35...Bf8 36.Bc3+–) 36.Qd8 Qe6 37.Nc3 h6 38.Ne4 Be7 39.Qc7 (39.Qa8 Qa2 40.Qe8 Qe6+–) 39...Ng6 40.Qc3 f6 41.Nc5 Qd5 (41...Bc5 42.bc5 Nh4 43.f4+–) 42.Qb3 (42.Na6 Nh4 43.Qc8 Kh7+–) 42...Qb3 43.Nb3 Kf7 44.Bc5 Bd8 45.Kf1 Ne5 46.Ke2 Ke6 47.Nd4 Kf7 48.Nf5 h5 49.f4 Nd7 50.d4 g6 51.Nd6 Ke6 52.e4 Bc7 53.d5 Ke7 54.Nb5 Kd8 (54...Nc5 55.Nc7 Ne4+–) 55.Nc7 Kc7 56.Kd3 f5 (56...h4 57.Kd4+–) 57.e5 Nb8 (57...h4+–) 58.e6 1–0. Devis,Wim – Van Hoeyweghen,Norbert, Beveren, 1995.

9.Qc2 c6 10.d4 A) 10...a5 11.a3 Re8 (11...Qc7 12.Rfd1 Rfe8 13.Bd3 ed4 14.Nd4 ab4+=; 11...ed4 12.Nd4 Ne5 13.b5 cb5 14.cb5 Rc8+=; 11...c5 12.bc5 bc5 13.de5 Ne5 14.e4 Rb8+=; 11...Qb8 12.Qf5 Re8 13.b5 c5 14.Rad1 cd4+=) 12.Rfd1 Qc7 13.Bd3 ed4 14.Nd4 ab4+=; B) 10...ed4 11.Nd4 c5 (11...Re8 12.b5 Rc8 13.bc6 Bc6 14.Nc6 Rc6+/–; 11...a6 12.Nf5 d5 13.cd5 Bb4 14.d6 c5+/–) 12.bc5 Nc5 13.Qf5 Rc8 14.Nd5 Nd5=.

9.Qc2 Re8 10.a3 c5 (10...a5 11.d4 c5 12.bc5 bc5 13.d5 Rb8+=) 11.Qf5 d5 12.bc5 dc4 13.cb6 e4=.

9.Qc2 Re8 10.Rfb1 a6 (10...c5 11.a3 a5 12.b5 h6 13.e4 Nh5+=; 10...e4 11.Ng5 d5 12.cd5 Bb4 13.Nge4 Ne4=) 11.e4 c5 12.a3 Rc8 13.Bc1 b5=.

9.Qc2 Re8 10.b5 c6 (10...a6 11.d4 ab5 12.cb5 e4 13.Nd2 d5=; 10...c5 11.bc6 Bc6 12.d4 Rc8 13.e4 ed4=; 10...Qb8 11.Qf5 a6 12.d4 ed4 13.Nd4 Ne5=; 10...Qc8 11.d4 ed4 12.Nd4 a6 13.Nf5 Ne5+=) 11.Qf5 cb5 12.cb5 d5 13.Rfc1 Bd6=.

9.Qc2 Re8 10.Rfd1 c5 (10...e4 11.Ng5 d5 12.b5 h6 13.Nh3 dc4+=) 11.a3 Rc8 12.Qf5 a5 13.b5 Nf8=.

9.Qc2 Re8 10.d4 ed4 (10...a5 11.b5 ed4 12.Nd4 Nc5 13.Nf5 Nfd7+=) 11.Nd4 d5 (11...c5 12.bc5 Nc5 13.Qf5 Rc8=) 12.Nf5 (12.b5 dc4 13.Rfd1 Bd6+=; 12.Nd5 Nd5 13.cd5 Bd5+=) 12...dc4 (12...Bb4!? 13.Nd5 Nd5 14.cd5 Bd5+=) 13.Bc4+= (worse is 13.Ne7 Qe7 14.Nb5 Nd5+= (worse is 14...Qb4 15.Nc7 Be4 16.Qc1+=)) 13...Bb4 14.Bf7 Kf7 15.Qb3 Kf8 16.Qb4 c5 17.Qh4 Qc7? (17...Re5!? 18.Nd6 Bc6+=) 18.Qg5 (better is 18.Nb5!? Qc6 19.Qg5 Qg2 20.Qg2 Bg2 21.Kg2+–) 18...Ne5+/– 19.Nb5 Qf7 (19...Qd7!? 20.Rad1 Bd5+–) 20.Nbd6+– h6? (20...Qc7 21.Rad1 Ba6 22.Ne8 Ne8+–) 21.Nf7 hg5 22.Ne5 (22.Be5?! Kf7 23.Nd6 Ke6 24.Ne8 Re8+/–) 22...Re6 23.Rfd1 Be4 24.Ng3 Rae8 25.Nd7 Ke7 26.Nf6 gf6 27.f3 Bc6 (27...Bg6 28.e4+–) 28.e4 a5 29.Nf5 Kf8 30.Nd6 R8e7 31.Nc4 Bb5 32.Rd8 Re8 33.Re8 Ke8 34.Ne3 Bd3 35.Rc1 Rc6 36.a4 c4 (36...Kf7 37.Kf2+–) 37.Nd5 Kf7 38.Bd4 (38.g4!? Rd6+–) 38...f5 39.e5 (39.Bb6?! fe4 40.fe4 Be4+–) 39...Ke6 40.Nb6 Rc7 41.Kf2 f4 42.h3 Rb7 43.Rc3 (43.Nc4?! Rc7 44.Nb2 Rc1 45.Nd3 Rc6+–; 43.Rc4 Bc4 44.Nc4 Rb4 45.Na5 Rd4+=) 43...Rb8 44.Rc1 Rb7 45.Ke1 (45.Nc4?! Rc7 46.Nb2 Rc1 47.Nd3 Rc6+–) 45...Ke7 (45...Rc7+–) 46.Kd2 Ke6 47.Kc3 (better is 47.Nc4!? Bc4 48.Rc4 Rb8+–) 47...Be2 48.Rh1 Rh7 (48...Bd3 49.h4+–) 49.Re1 (49.Nc4?! Rc7 50.Kd2 Bc4+–) 49...Bd3 50.Rd1 (50.Nc4 Bc4 51.Kc4 Rb7+–) 50...Be2 (50...Rc7 51.Rh1+–) 51.Rb1 (51.Rd2!? Bf1 52.Rf2 Bd3 53.Nc4 Bc4 54.Kc4 Rc7 55.Kd3 Rc1+–) 51...Rc7 52.Re1 Bd3 53.g3! Rh7 (53...fg3 54.Rg1) 54.gf4 gf4 55.Nc4 Rh3 (55...Bc4 56.Kc4 Rh3+–) 56.Kd3 Rf3 57.Ke4 (57.Ke4 Rh3 58.Na5+–) 1–0. Berlacki,Piotr – Fabian,Helmut, Wch Seniors Bad Woerishofen, 1991.

9.Qc2 Re8 10.e4 c6 (10...c5 11.a3 a6 12.Rfb1 Qc7 13.b5 Ra7=; 10...a6 11.a3 c5 12.Rfb1 Qc8 13.d3 Qc7=; 10...a5 11.a3 c6 12.d4 ed4 13.Nd4 Bf8=; 10...Qb8 11.a3 c5 12.Rfc1 a6 13.Qd3 Qc7=; 10...Qc8 11.a3 c5 12.Qd3 a6 13.Rfc1 b5=; 10...Rc8 11.a3 c5 12.b5 Ra8 13.d3 a6=) 11.a3 d5 12.cd5 cd5 13.ed5 Nd5=.

9.Qc2 Re8 10.Qf5 a6 (10...c5 11.a3 Qc8 12.b5 a6 13.d3 Nf8=; 10...Bc8 11.d4 c5 12.dc5 bc5 13.b5 Nb6=) 11.a3 c5 12.Rfd1 Qc8 13.d4 cd4=.

9.Qc2 Re8 10.h3 h6 11.d3 c6 12.a3 c5 13.b5 Nh7 (13...Qc7 14.e4=) 14.a4 (14.Nd2 Ng5+=) 14...Ng5 (14...Nhf6!?=) 15.Ng5+= Bg5 16.Ne4 Be7 17.Bf3 Rb8 18.a5 Nf6 (18...d5 19.cd5 Bd5 20.Bc3+=) 19.ab6+/– ab6 20.Ra7 Qc7 21.Nc3 Qc8 22.Qe2 Bf3 23.Qf3 Ra8 24.Rfa1 Ra7 25.Ra7 Qb8 (25...Kf8 26.Na4+–) 26.Rb7+– Qd8 27.Qc6 Nd7?? (better is 27...Kf8+–) 28.Rd7 (28.Rd7 Qb8 29.Nd5+–) 1–0. pcmvr – mbarker (2380), net–chess.com, 2016.

9.Qc2 h6 10.a3 Re8 11.d4 e4 12.Nd2 Bf8 13.f3 ef3 14.Bf3 Bf3 15.Rf3 (worse is 15.Nf3 Re3 16.d5 a5=) 15...Ng4 16.Nf1 Ngf6 17.Ng3 c5 18.Raf1 Rc8 19.bc5 dc5 20.Nce4 Ne4 21.Ne4 f6 22.d5 Qe7 23.Nf2 Ne5 24.Rg3 Kh8 25.Nh3 g5 26.Nf2 Qh7? (better is 26...Bg7!?+/–) 27.Qh7+– Kh7 28.Be5 fe5 29.Ne4 Re7 30.Rgf3 (better is 30.h4!?+–) 30...Bg7+/– 31.d6 Rb7 32.Rf7 Rcb8 33.Rc7 Kg8 (33...Kg6 34.Rff7 Rc7 35.dc7 Rc8+–) 34.Rff7 Rc7 35.dc7 (35.dc7 Rc8 36.Nd6 Rc7 37.Rc7+–; 35.Rc7?! Rd8+–) 1–0. Agrest,Roman (2000) – Aldobasic,Ramiz (2105), SWE–ch Veteran, 2003.

9.Qc2 h6 10.d4 Bf3 (better is 10...ed4!? 11.Nd4 Re8+=) 11.Bf3+/– (11.gf3?! ed4 12.ed4 d5=) 11...Rb8 12.b5 d5 (12...Qc8!?+/–) 13.Nd5+– Nd5 14.Bd5 Nf6 15.Bf3 ed4 16.Bd4 Bc5 17.Bc5 bc5 18.Rfd1 Qe7 19.Qf5 Rfd8 20.h3 Rd6 21.Rd6 cd6 22.a4 Qe6 (22...Qe5 23.Qe5 de5 24.Bc6+–) 23.Qd3 Qe5 24.Rd1 Rd8 25.Qd2 Qe7 26.Qa5 Ne8 27.Qa6 Qc7 28.a5 White intends b6 28...Qb8 29.Rb1 White plans b6 29...Nc7 30.Qc6 Kf8 31.Be4 (31.b6 Ne6+–) 31...Qc8 32.b6 ab6 33.Rb6 (worse is 33.ab6 Ne6 34.Qc8 Rc8+–) 33...Ne8 (33...f5 34.Bd3+–) 34.Qc8 Rc8 35.a6 Nf6 (35...Nc7+–) 36.Bb7 (36.a7!? Nd7 37.Rb7 f5+–) 36...Rd8 37.a7 (37.a7 Nd7 38.Rc6+–) 1–0. Kuehnemund,Lutz (2080) – Duric,R (1805), 10th Lichtenberger Sommer, 2011.

9.d3 c5 10.a3 Re8 11.d4 (11.Qb3 a6 12.Nd2 Nf8 13.Bf3 Bf3 14.Nf3=; 11.b5 a6 12.ba6 Ra6 13.Nb5 Bc6 14.Qb3=; 11.Qc2 a6 12.e4 Bc8 13.Rfb1 Qc7 14.Bc1=; 11.e4 a6 12.Qc2 Qc7 13.Rfb1 cb4 14.ab4=; 11.Qd2 a6 12.e4 Qc7 13.Rfb1 Bc8 14.Bc1=; 11.Qe1 a6 12.e4 Bc6 13.Nd5 Nd5 14.cd5=) 11...ed4 12.ed4 a5 13.bc5 bc5 14.d5 +=.

9.d3 d5 10.Nd5 Nd5 11.cd5 Bd5 (11...Bb4 12.e4 Qe8 13.d4 Bd6 14.Bb5 ed4+/–) 12.e4 Bb7 13.b5 (13.a3 Bf6 14.Rc1 Re8=) 13...Bf6 14.Qc2= Rc8 =.

9.d4 a5 10.b5 c6 (10...Ra7 11.Qc2 Re8 12.de5 Ne5 13.Nd5 Nd5+=; 10...Rc8 11.Qc2 ed4 12.Nd4 Re8 13.Bd3 Ne5+=; 10...Qc8 11.Qc2 Re8 12.d5 Nc5 13.Ba3 Rb8+=; 10...h6 11.Qc2 Re8 12.de5 de5 13.Rad1 Bb4+=; 10...Qb8 11.Qc2 Re8 12.Rae1 ed4 13.ed4 d5+=; 10...ed4 11.Qd4 Re8 12.Rad1 Nc5 13.Nd5 Ne6+=; 10...Rb8 11.Qc2 ed4 12.Nd4 Re8 13.Rfd1 Nc5+=; 10...Re8 11.a3 Ra7 12.Qd2 ed4 13.Qd4 Ne5+=) 11.bc6 Bc6 12.Qc2 Rc8 13.Qf5 ed4+=.

9.d4 a6 10.a3 Qc8 (10...Rc8 11.Qc2 ed4 12.Nd4 c5 13.Nf5 cb4+=; 10...Ra7 11.Qc2 c5 12.d5 Bc8 13.Bd3 Qc7+=; 10...a5 11.d5 c6 12.dc6 Bc6 13.Qd2 Rc8+=; 10...c5 11.d5 Qc7 12.Bd3 Bc8 13.Qa4 Re8+=; 10...Re8 11.Qc2 c5 12.d5 Bc8 13.Bd3 Qc7+=; 10...Qe8 11.Qc2 c5 12.d5 Rc8 13.b5 Ra8+=) 11.de5 de5 12.Nd5 Nd5 13.cd5 e4=.

9.d4 a6 10.a4 Qe8 (10...c5 11.bc5 bc5 12.Bd3=) 11.Qc2 (11.a5 c5 12.Qb3 cb4 13.Qb4 ed4 14.ed4 d5=) 11...ed4 12.ed4 Qd8 (12...c5 13.bc5 dc5 14.d5=) 13.d5+= c6 14.Rad1 (14.dc6 Bc6 15.Nd4 Qc7+/–) 14...cd5+= 15.cd5 Rc8 16.Qf5 Rc7 17.Rfe1 Re8 18.b5 a5 19.Nd4 g6 (19...Ne5 20.Nc6 Qd7+/–) 20.Qh3 (20.Qf3 Ne5 21.Qh3 Nd5+=) 20...Nd5 21.Nd5 White gets kings attack (better is 21.Ne6!? fe6 22.Qe6 Kf8 23.Nd5+/– (worse is 23.Rd5 Bd5 24.Nd5 Rc2+=)) 21...Bd5= 22.Nf5 Be6 23.Ne7 Qe7 24.Qh6 Do you see the mate threat? 24...Qf8 (24...f6 25.Qd2=) 25.Qd2 Attacking the isolated pawn on d6 (25.Qf8 Kf8 26.Rd6 Rc2+=) 25...Rec8 (25...Bb3!? 26.Qd4 f6=) 26.Qd4+= The mate threat is Qh8 26...f6 27.Bf3 Ne5 28.Bd5 Bd5 29.Qd5 Qf7 (29...Kg7!?=) 30.Qd6+/– Opening the d–file gets White a lot of play 30...Nc4 (30...Nd7 31.Re7 Qb3 32.Rd7 Rd7 33.Qd7+–) 31.Qf6 Threatening mate: Qh8 31...Nb2 32.Qb2 Rc2 Threatening mate: Qxf2 33.Qd4 R2c5 (33...R8c5 34.Qh4+/–) 34.Qd6 Rf5? (34...Qb3 35.Qb6 Re5 36.Rd8 Kg7 37.Qb7 Kh6 38.Rdd1–+) 35.Re7 (35.Qb6 Rc2 36.Rd8 Kg7 37.Qd4 Kh6+–) 35...Qf6 (35...Qb3 36.Rde1 Rc2 37.Re8 Kg7 38.Qd4 Kh6 39.R8e4+–) 36.Qd7 (36.Re6 Qh4 37.Qb6 Qa4 38.Rg6 hg6 39.Qg6 Kh8 40.Qh6 Kg8 41.Qe6 Rf7 42.Qc8 Rf8 43.Qe6 Kh8 44.Qe5 Kg8+–) 36...Rf8+/– 37.f3 (37.Rh7? Rh5 (37...Rf2?! 38.h4=) 38.Rg7 Qg7 39.Qe6 Qf7 40.Qb6 Rh4–+) 37...Rf7 (37...Rf4 38.Qe6 Qe6 39.Re6 Ra4 40.Rb6+/–) 38.Qc8 (38.Rf7 Qf7 39.Qd8 Kg7+–) 38...Rf8 39.Qc7 (better is 39.Qe6 Qe6 40.Re6+–) 39...Rf7? (better is 39...Rf4!?+/–) 40.Rd8 (better is 40.Rf7 Qf7 41.Qb6+–) 40...Kg7?? (40...Rf8 41.Rf8 Qf8 42.Rh7+–) 41.Rf7 Qf7 42.Rd7 (42.Rd7 Qd7 43.Qd7 Kh6 44.Qd6+–) 1–0. Myslowski,Karol – Doucin,Paul (1770), Paris op–2, 1989.

9.d4 a6 10.Qb3 c6 (10...a5 11.b5 Re8 12.Rad1 ed4 13.ed4 c6+=; 10...Re8 11.Rfd1 ed4 12.Nd4 a5 13.a3 Ne5+=; 10...ed4 11.Nd4 a5 12.a3 Ne5 13.Rfd1 Qd7+=; 10...Qb8 11.Rfd1 Re8 12.a3 ed4 13.ed4 c6+=) 11.a3 Re8 12.Rad1 Qc7 13.e4 c5=.

9.d4 a6 10.Rc1 Re8 11.d5 a5 12.b5 Nc5 13.Qc2 Bc8+=.

9.d4 a6 10.Qc2 ed4 (10...Re8 11.a3 c5 12.d5 Bc8 13.Bd3 Qc7+=; 10...e4 11.Nd2 d5 12.a3 dc4 13.Bc4 Bd6+=; 10...Rc8 11.a3 ed4 12.Nd4 c5 13.Nf5 cb4+=) 11.Nd4 c5 12.bc5 Nc5 13.Qf5 Re8+=.

9.d4 a6 10.d5 c6 (10...Rc8 11.Qd3 c6 12.dc6 Bc6 13.e4 Qc7+=; 10...a5 11.a3 c6 12.dc6 Bc6 13.Qd2 Rc8+=; 10...c5 11.a3 Bc8 12.Qd3 Re8 13.Rfb1 Ng4+=; 10...Re8 11.Qd3 c6 12.dc6 Bc6 13.e4 Rc8+=; 10...Rb8 11.Qd3 Rc8 12.e4 c6 13.dc6 Bc6+=) 11.e4 cd5 12.cd5 Rc8 13.Rc1 a5+=.

9.d4 c5 10.a3 ed4 (10...cd4 11.ed4 Re8 12.d5 Qc7 13.Re1 a6+=; 10...cb4 11.ab4 a5 12.ba5 ba5 13.Qc2 Re8+=; 10...a6 11.d5 Qc7 12.Qd3 Rfe8 13.Rfb1 Rec8+=; 10...Re8 11.d5 Bc8 12.Bd3 a6 13.Ng5 h6+=; 10...Qc7 11.d5 a6 12.Qd3 Rfb8 13.Nh4 Bd8+=; 10...a5 11.bc5 bc5 12.d5 Rb8 13.Rb1 Bc8+=; 10...e4 11.Nd2 d5 12.dc5 bc5 13.cd5 Nd5+=) 11.ed4 d5 12.dc5 dc4 13.cb6 Nb6+=.

9.d4 c5 10.bc5 bc5 11.d5 Nb6 +=.

9.d4 c5 10.bc5 bc5 11.d5 Rb8 12.Rb1 Bc8 13.Bd3 Qa5+=.

9.d4 c5 10.bc5 e4 11.Nd2 dc5 12.d5 Re8 (12...Bd6!?+=) 13.Nce4 Ne4 14.Ne4 Bf8 15.Ng3 Qg5 16.f4 Qe7 17.e4 g6 18.Bd3 Qh4 19.Qf3 Bg7 20.Bg7 Kg7 21.Rae1 Rac8 (21...f6 22.Qf2 Kg8 23.Qb2+–) 22.a4 Rf8 23.e5 Rce8 24.Re4 f5 25.Re3 Kg8 26.Rfe1 a5 27.Qf2 Re7 28.Ne2 Qh6 29.Nc3 Ba6 30.h3 Kh8 31.e6 Nf6 32.d6 Rg7 (32...Rb7+–) 33.Nd5 Ng4 (33...Nd5 34.cd5 Bd3+–) 34.hg4 fg4 (34...Rgg8 35.e7 Re8 36.d7+–) 35.e7 Re8 36.d7 Reg8 37.e8Q Bb7 38.Qe5 (38.d8Q Qh2 39.Kh2 g3 40.Rg3 h5 41.Rg6 Rf8 42.Qf8 Rg8 43.Rg8) 38...Bd5 39.Qd5 g3 40.Rg3 Qh4 41.Re8 White plans d8 (41.Qg8 Kg8 42.Re8 Kf7 43.Qe2 Rg8 44.Qe6 Kg7 45.Qg8 Kh6 46.Rg6 hg6 47.Qg6) 41...Qf6 42.d8Q h5 (42...Qa1 43.Bf1 Qf1 44.Qf1 h6 45.Rg8 Rg8 46.Q5g8) 43.Qf6 (43.Rg8 Rg8 44.Q5g8) 43...Re8 44.Qb6 (44.Qh5 Kg8 45.Qd5 Re6 46.Qde6 Rf7 47.Qef7) 44...Kh7 (44...Re4 45.Qh5! Kg8 46.Qd5 Re6 47.Qbd8 Kf7 48.Q5d7 Re7 49.Q7e7) 45.Qdc5 1–0. Larsen,Andreas (1715) – Alshamari,Ayad, Narvik CC–ch, 2006.

9.d4 c5 10.de5 de5 11.b5 Qc7 12.Qc2 h6 13.e4 Rad8 14.Rad1 a6 15.a4 ab5 16.ab5 g5 (16...Ra8!?+=) 17.Nd5 Nd5 18.ed5 (worse is 18.Rd5 Bd5 19.cd5 Ra8+=) 18...f5 19.h3 Bd6 20.Qc3 Rf7 21.Nh2 Rh7 22.g3 Re8 23.Qf3 Rf8 24.Qg2 Bc8 25.g4 Nf6 26.f3 Qe7 (26...Rhf7!?=) 27.Bd3+/– Ne8 28.Rde1 h5 29.Qe2 (better is 29.Rf2!?+/–) 29...hg4= 30.Be5 (30.fg4 e4 31.Qg2+=) 30...Rh3 31.Bd6 (better is 31.Kg2+=) 31...Qd6–+ 32.Qe5 (32.Bf5 Bf5 (32...Rf5?! 33.Qe8 Rf8 34.Qe5 Qe5 35.Re5=) 33.fg4 Qg3 34.Qg2 Bc8 35.Rf8 Kf8 36.Rf1 Kg7–+) 32...Qe5 (32...g3!? 33.Ng4 g2 34.Nf6 Qf6 35.Kg2–+) 33.Re5 g3 34.Ng4 fg4 35.Rg5 Kh8 36.fg4 Rf1 37.Kf1?? (better is 37.Bf1 Rh6 38.Kg2–/+) 37...Rh6 (better is 37...g2!? 38.Kg2 Rd3 39.Rg6–+) 38.Rh5?? (better is 38.Kg2!?=) 38...Kg7 (better is 38...Rh5!? 39.gh5 Bh3 40.Kg1 Kg7–+) 39.Re5 Nd6 40.Re7? (better is 40.Kg2–/+) 40...Kf6 (40...Kf8 41.Re3 Bg4 42.Rg3 Rf6 43.Ke1–+) 41.g5 0–1. Krickemeyer,Horst – Kahler,Kurt (1725), 12sen.Woerishofen, 1996.

9.d4 c6 A) 10.Qb3 Re8 (10...Qe8 11.Rfd1 e4 12.Nd2 d5 13.b5 cb5+=; 10...a6 11.a3 Re8 12.de5 Ne5 13.Rad1 Qc7=; 10...Qc7 11.Bd3 a6 12.Qc2 ed4 13.ed4 Rfe8=; 10...e4 11.Nd2 d5 12.f3 a5 13.a3 ef3+=; 10...ed4 11.Nd4 Re8 12.b5 c5 13.Nf5 Ne5+=) 11.a3 a6 12.de5 Ne5 13.Rfd1 Qc7=; B) 10.Rc1 Qc7 (10...e4 11.Nd2 d5 12.Qb3 Bd6 13.b5 dc4+=; 10...Re8 11.a3 c5 12.bc5 bc5 13.d5 Rb8=; 10...a6 11.a3 c5 12.bc5 bc5 13.d5 Rb8=; 10...ed4 11.Nd4 c5 12.Nc2 Re8 13.a3 a6+=; 10...c5 11.bc5 bc5 12.d5 Rb8 13.Rb1 Bc8+=; 10...Rc8 11.a3 e4 12.Nd2 d5 13.f3 ef3+=) 11.a3 Rfe8 12.Qd3 ed4 13.Nd4 Ne5=; C) 10.Qa4 e4 (10...a6 11.Rad1 e4 12.Nd2 d5 13.cd5 cd5=; 10...c5 11.bc5 bc5 12.Rab1 Nb6 13.Qb3 ed4=; 10...a5 11.b5 Rc8 12.bc6 Bc6 13.Qb3 ed4+=; 10...Qc7 11.a3 Rfe8 12.Qc2 ed4 13.Nd4 a6+=; 10...Qe8 11.a3 e4 12.Nh4 Bd8 13.b5 Nb8+=; 10...Re8 11.Rfd1 e4 12.Nh4 d5 13.cd5 a5=) 11.Nd2 d5 12.b5 cb5 13.cb5 a6=; D) 10.d5 Rc8 (10...cd5 11.cd5 a5 12.a3 Re8 13.e4 Qc7+=; 10...Re8 11.e4 a5 12.b5 cd5 13.cd5 Nc5+=; 10...a6 11.e4 c5 12.a3 Qc7 13.Qd3 Rae8+=; 10...a5 11.dc6 Bc6 12.a3 ab4 13.ab4 Ra1=) 11.dc6 Bc6 12.Nd2 a5 13.b5 Bb7=; E) 10.b5 cb5 (10...Re8 11.bc6 Bc6 12.Qc2 Rc8 13.e4 ed4=; 10...Qc7 11.d5 cb5 12.cb5 a6 13.e4 Nc5=; 10...a6 11.bc6 Bc6 12.Qc2 Rc8 13.Qf5 Re8+=; 10...c5 11.d5 a6 12.ba6 Bc8 13.Qd3 Ba6+=; 10...Qc8 11.d5 cb5 12.cb5 Nc5 13.Rc1 Qd7=; 10...h6 11.bc6 Bc6 12.Qb1 Re8 13.e4 Rc8+=) 11.cb5 e4 12.Nd2 d5 13.f3 ef3=; F) 10.a3 a5 (10...e4 11.Nd2 d5 12.f3 a5 13.fe4 ab4+=; 10...Re8 11.Qc2 Qc7 12.Rfd1 ed4 13.Nd4 Ne5+=; 10...a6 11.Qc2 Qc7 12.Rfd1 Rfe8 13.de5 Ne5+=) 11.Bd3 Re8 12.Qc2 ed4 13.Nd4 Ne5+=.

9.d4 Rc8 A) 10.Qa4 ed4 (10...a5 11.a3 Re8 12.Rfd1 ed4 13.Nd4 Ne5+=; 10...Ra8 11.Rfd1 ed4 12.Nd4 a5 13.b5 Nc5+=) 11.Nd4 c5 12.Nc2 cb4 13.Nb4 Nc5=; B) 10.d5 c6 (10...a6 11.Qd3 c6 12.dc6 Bc6 13.e4 Qc7+=; 10...a5 11.a3 c6 12.e4 b5 13.dc6 Bc6+=; 10...Re8 11.Qd3 a6 12.e4 c6 13.dc6 Rc6+=; 10...c5 11.b5 Ra8 12.Bd3 a6 13.ba6 Bc8+=) 11.dc6 Bc6 12.Nd2 a5 13.b5 Bb7=; C) 10.Rb1 Ra8 (10...Re8 11.a3 a6 12.Re1 Ra8 13.Qc2 a5+=; 10...ed4 11.Nd4 c5 12.Nf5 cb4 13.Nb5 Be4+=; 10...a6 11.a3 Re8 12.Re1 c5 13.d5 Qc7+=; 10...c5 11.bc5 bc5 12.d5 Rb8 13.Bd3 Bc8+=; 10...c6 11.a3 e4 12.Nd2 d5 13.f3 ef3+=) 11.d5 a5 12.ba5 Ra5 13.Nd2 Nc5=; D) 10.b5 a6 (10...Ra8 11.Qc2 a6 12.de5 Ne5 13.Ne5 de5+=) 11.a4 Ra8 12.Qc2 ed4 13.ed4 Re8+=; E) 10.Qb3 c6 (10...Re8 11.de5 de5 12.Rfd1 Bf8 13.Rd2 Bd6+=; 10...ed4 11.ed4 Re8 12.d5 c6 13.dc6 Bc6+=; 10...a6 11.Rfd1 Qe8 12.a4 ed4 13.ed4 Qd8+=; 10...Qe8 11.Rfd1 c6 12.e4 c5 13.de5 de5+=; 10...Rb8 11.de5 de5 12.Rfd1 Bd6 13.Nb5 Qe7+=; 10...c5 11.bc5 ed4 12.cd6 Nc5 13.de7 Qe7+/–) 11.a3 Re8 12.Qc2 Qc7 13.Rfd1 a6+=; F) 10.Qc2 e4 (10...a6 11.a3 c5 12.d5 Re8 13.b5 Ra8+=; 10...c5 11.bc5 bc5 12.de5 de5 13.Rfd1 Qb6+=; 10...ed4 11.ed4 c5 12.bc5 dc5 13.d5 Re8+=; 10...Re8 11.a3 ed4 12.Nd4 Ne5 13.f4 Ng6+=) 11.Nd2 d5 12.b5 dc4 13.Bc4 c5+=; G) 10.a3 a6 (10...a5 11.Qb3 Ra8 12.Rfd1 Ng4 13.h3 ed4+=; 10...Re8 11.Qc2 ed4 12.Nd4 Ne5 13.Nf5 Qd7+=) 11.Qc2 c5 12.d5 Re8 13.b5 ab5+=.

9.d4 d5? 10.a3?? (10.de5 Ne8 11.Nd5 c6 12.Ne7 Qe7+–) 10...Re8?? (better is 10...ed4 11.Nd4 dc4 12.Bc4 c5 13.bc5 Bc5=) 11.de5+– (11.Ne5?! a6+/–) 11...Ne4 12.Nd5 Bf8 13.Nc3 (13.Qc2 f5+–) 13...c5 14.Ne4 Be4 15.b5 h6 16.Bd3 (16.Qa4!? Qc7+–) 16...Bf3+/– 17.gf3 Qg5 (better is 17...Ne5!? 18.Be4 Qg5 19.Kh1 Rad8+/–) 18.Kh1+– Rad8 19.f4 Qh4 20.Qc2 a5 21.Rg1 Nb8 22.Be4 Re7 23.f5 Red7 24.Bc3 Rd2 (24...Kh8+–) 25.Bd2 Rd2 26.Qd2 Qe4 27.Rg2 Qe5 28.Rag1 Qe4 (28...Qc7 29.Qd5 Qe7 30.Rd1+–) 29.Qd5 (better is 29.Qd8 Nc6 30.Qa8 a4 31.bc6 h5+–) 29...Qd5 30.cd5 Nd7 31.e4 (31.d6 c4+–) 31...Ne5 32.f4 Nd3 33.d6! Bd6 34.Rg7 Kf8 35.e5 Be5 36.Rg8 Ke7 37.fe5 Ne5 38.Re1 (38.Rb8 Kf6+–) 38...Kf6 39.Re5! Ke5 40.Rh8 (better is 40.Rb8 c4+–) 40...c4 41.Rh6 c3 (41...f6+–) 42.Rb6 Kd4 43.Rc6 Kd3 44.b6 c2 45.b7 1–0. mr5reasons1 (1670) – tobinho, gameknot.com, 2013.

9.d4 Ne4 10.Ne4 Be4 11.a3 c6 (11...ed4!? 12.Qd4 Bf6 13.Qe4 Bb2+=) 12.de5+/– Bf3 13.Bf3 (13.gf3?! de5 14.Bd3 f5=) 13...Qc7 14.Qc2 de5 15.b5 Nb8 16.Qf5 Nd7? (better is 16...f6!?+–) 17.Rad1 (17.bc6 Nc5 18.Qe5 Qe5 19.Be5 Rac8+–) 17...Rad8 18.bc6 Bd6 (18...Nc5 19.Qe5 Qe5 20.Be5 Nd3+–) 19.cd7 g6 20.Qf6 Rd7 21.Rd5 Rfd8 (21...Re8+–) 22.Re5 Bf8 (22...Be5 23.Be5 Qe5 24.Qe5 Rd6+–) 23.Re7! 1–0. Lehmann,Stefan (2330) – Schulz,Peter (1845), remoteschach.de, 2009.

9.d4 Ne4 10.Ne4+= Be4 11.Nd2 Bg6 (11...Bb7 12.b5+=) 12.Bf3 Rb8 13.Bc6 Nf6 14.b5 e4 15.Qc2 d5 16.Rac1 Bd6 17.h3 (17.cd5?! Bh2 18.Kh1 Bd6=) 17...dc4 18.Nc4 (18.Be4?! Ne4 19.Ne4 Qd7=; 18.Qc4?! Qe7+/–; 18.Ne4?! Ne4 19.Be4 Be4 20.Qe4 a6 21.ba6 b5+=) 18...Bf5 19.Qa4 Bd7 (19...Be6!?+/–) 20.Nd6+– (20.Qa7 Bc6 21.bc6 Ra8+=) 20...cd6 21.d5 (21.Qa7?! Bc6 22.bc6 Ra8+/–) 21...Be8 22.Qb4 (22.Qa7 Nd7 23.Qa4 Nc5+–) 22...Qe7 23.Rc4 Bc6 24.dc6 (24.Rc6?! Nd5 25.Qd4 Nf6 26.Qd6 Qd6 27.Rd6 Rfd8+/–; 24.bc6?! Nd5 25.Qd2 Nc7=) 24...Rbc8 25.Rd1 Rfd8 26.Bf6 Qf6 27.Re4 a6 28.ba6 (28.a4 d5 29.Red4 Ra8+–) 28...Rc6 29.a7 h6 30.Qb5 d5 31.Rf4 Qe6 32.Rd5! Ra8 (32...Rd5 33.a8Q Double attack (33.a8Q Deflection; 33.a8Q Decoy); 32...Qd5 33.Qd5 Combination) 33.Qd3 Rc1 34.Kh2 Rcc8 35.Re4 Qf6 36.Rd7 Qf2 37.Qd5 1–0. pcmvr (2865) – gmofredes (2490), net–chess.com, 2009.

9.d4 Qe8 A) 10.d5 a5 (10...a6 11.Qd3 Rc8 12.Rfd1 c6 13.dc6 Rc6+=; 10...c6 11.dc6 Bc6 12.Nh4 Qb8 13.Nf5 Re8+=; 10...c5 11.a3 Bc8 12.Bd3 a6 13.Nd2 Qd8+=; 10...Qc8 11.Qd3 c5 12.dc6 Bc6 13.e4 a5+=; 10...Qd8 11.Qd3 c6 12.dc6 Bc6 13.e4 a5+=) 11.a3 c6 12.dc6 Bc6 13.Qd2 Qd8+=; B) 10.a3 c5 (10...a5 11.b5 Qd8 12.Qc2 Re8 13.de5 de5+=; 10...Qd8 11.d5 c6 12.e4 a6 13.dc6 Bc6+=; 10...Rc8 11.Qc2 c5 12.d5 a6 13.Nd2 Rc7+=; 10...ed4 11.Qd4 Rc8 12.Rfd1 a6 13.Nd5 Bd8+/–; 10...a6 11.d5 c6 12.e4 cd5 13.ed5 Bc8+=) 11.d5 Bc8 12.Qa4 Nb8 13.Qe8 Re8+=; C) 10.Qb3 c6 (10...a6 11.Rfd1 a5 12.b5 Rd8 13.a3 Rc8+=) 11.Rfd1 e4 12.Nd2 d5 13.b5 cb5+=.

9.d4 Re8 A) 10.d5 c5 (10...c6 11.e4 a5 12.b5 cd5 13.cd5 Nc5+=; 10...a5 11.a3 c6 12.e4 cd5 13.cd5 ab4+=; 10...a6 11.e4 a5 12.a3 ab4 13.ab4 Ra1+=; 10...Rc8 11.Qd3 c6 12.dc6 Bc6 13.e4 Bb7+=) 11.dc6 Bc6 12.Rc1 a5 13.b5 Bb7=; B) 10.a3 a5 (10...Qc8 11.d5 a5 12.Qd3 c6 13.e4 Nh5+=; 10...a6 11.Qc2 a5 12.d5 c6 13.dc6 Bc6+=; 10...Rc8 11.Qc2 a5 12.de5 de5 13.ba5 ba5+=; 10...c5 11.d5 Bc8 12.Qa4 Nf8 13.Bd3 Bd7+=; 10...Qb8 11.d5 c6 12.dc6 Bc6 13.Rc1 Bb7+=; 10...Rb8 11.d5 c6 12.Rc1 a6 13.Qd3 cd5+=) 11.b5 Ra7 12.Qd2 ed4 13.Qd4 Ne5+=.

9.Nh4 Re8 10.Qc2 c5 11.b5 a6 12.a4 a5 13.e4 Ne4 14.Ne4 Be4 (worse is 14...Bh4 15.Nd6 Qc7 16.Ne8 Re8 17.Ra3+/–) 15.Qe4 Bh4 16.Qc6 Be7 17.Bg4 Nf6 18.Bh3 Rb8 19.Rfe1 Rf8 20.Ra3 Qe8 21.Qc7 Nh5 22.Kf1 (better is 22.Be5!? de5 23.Re5=) 22...Nf4 23.Be5? (better is 23.Bd7 Qd8 24.Qd8 Rbd8 25.Bc6+=) 23...Nh3?? (better is 23...de5 24.Re5 Ng6–+) 24.Bd6?? (better is 24.Bg7 Qd8 25.Re7 Kg7 26.Rg3 (worse is 26.gh3 Qc7 27.Rc7 Rfc8+/–) 26...Ng5 27.Rg5 Kf6 28.Rd5 Qc7 29.Rc7+–) 24...Bd6= 25.Qd6 Qd8 26.Qd8 Rfd8 27.Rh3 Rd2 28.Rhe3 Kf8 29.R1e2 Rbd8 30.f3 g6 (30...R2d4 31.Rc2–/+) 31.Kf2 R8d4 32.Re4 (better is 32.Re8!? Kg7 33.Rd2 Rd2 34.Re2=) 32...Re4–/+ 33.Rd2 Rc4 34.Rd6 Ra4 35.Rb6 Rb4 36.Rb8 Kg7 37.b6 a4 38.b7 a3 39.Ke2 a2 40.Ra8 Rb7 41.Ra2 Kf6 42.Kd3 Rc7 43.Kc4 Ke5 44.Rd2 h5 45.g3 Ke6 46.Rd5 The isolani on c5 becomes a target 46...f5 47.f4 Kf6 48.Rd6 Kg7 49.h3 Rc8 50.Rd5 Kh6 51.Re5 (51.h4!?=) 51...h4 52.g4? (52.gh4 Kh5 53.Rd5–/+) 52...fg4–+ 53.hg4 Rc7 (better is 53...Rf8!? 54.Re4 h3 55.Kc5 h2–+) 54.Re6 Kg7 55.g5 Rc8 56.Re7 Kg8 57.Re3 Rf8 58.Rf3 h3 59.Kd5 (better is 59.Rh3 Rf4 60.Kc5–/+) 59...Rf5?? (better is 59...h2 60.Rh3 Rf4 61.Kc5 Kf7–/+) 60.Ke4= c4 (60...h2!? 61.Rh3 Rf7 62.Rh2 Re7 63.Kd5 Rf7=) 61.Rh3+/– Rf8 62.Rc3 Re8 63.Kd4 Rf8 64.Rf3 (64.Kc4?! Rf4 65.Kb3 Kf7=) 64...Rc8 65.Kc3 Kg7 66.Re3 Kf7 67.Re4 Rc7 68.Rc4 Rd7 69.Re4 Rd8 70.Kc4 Rd1 71.Kc5 Rd8 72.Re5 Rd1 73.Rd5 (better is 73.Re3!?+/–) 73...Rf1= 74.Rd4 Re1 (better is 74...Ke6=) 75.Kd5+/– Re2 76.Re4 Ra2 77.Rc4 Rd2 78.Ke5 Re2 79.Re4 Ra2 80.Rd4 Re2 81.Kd6 Ra2 82.Rd5 Ra6 83.Ke5 Re6 84.Kd4 Re1 85.Rd7 Kg8 86.Rc7 Re2 87.Kd5 Re1 88.Rc6 Kg7 89.Re6 Rd1 90.Ke5 Re1 91.Kd6 Rf1 92.Rf6 Rd1 93.Ke7 Rd2 94.Re6 (94.Rf7 Kg8+–) 94...Rf2 (better is 94...Rd4!?+=) 95.Re4+/– Ra2 ½–½. Leon Manas,Jose Francisco (1725) – Mendez Iglesias, Las Palmas Lezcano Memorial op, 2008.

9.d3 c6

10.a3 d5 (10...Re8 11.d4 c5 12.d5 Bc8 13.Qa4 Nf8 14.Bd3+=) 11.Qb3 (11.cd5 cd5 12.d4 e4 13.Ne5 a6 14.Rc1=; 11.d4 e4 12.Ne5 Bd6 13.cd5 Ne5 14.de5=) 11...Bd6 12.Rfc1 a6 13.cd5 cd5 14.Rc2=.

10.a4 Qc7 11.a5 d5 12.a6 Bc8 13.b5 Bd6 (13...dc4 14.dc4 Nc5 15.bc6=) 14.h3 (14.bc6 Qc6 15.Nd2 Rb8+=) 14...Re8 15.d4 e4 16.Nd2 Nf8 (16...cb5 17.Nb5 Qb8+/–) 17.bc6+/– Qc6 18.cd5 Qc7 19.Qb3 Bf5 20.Nb5 Qd7 21.Nc4 Bb8 22.Ne5 Be5? (22...Qd8 23.Bc4+–) 23.de5 Nd5 24.Rfd1 Qe7?? (24...Be6 25.Bc4 Red8+–) 25.Qd5 (worse is 25.Rd5 Be6 26.Bc4 Nd7+–) 25...Ng6 26.Nd6 Be6 27.Qe4 Red8 28.f4 (28.f4 Qh4 29.Bf3+–) 1–0. Lea,Per – Salamonsen,R, corr Norway, 1977.

10.a4 Qc7 11.a5 d5 12.a6 Bc8 13.cd5 cd5 14.Nb5 Qc6 15.d4 ed4?? (better is 15...Ne8 16.de5 Nb8+–) 16.Nfd4+– (16.Nfd4 Qb5 17.Bb5 Bb4 18.Nf5+–; 16.Qd4 Qc2 17.Bd3 Qb3+–; 16.Nbd4?! Qc7 17.Rc1 Qd8+–) 1–0. Fournier,Frederic (1860) – Arnaudz, Open vermeulen avril, 2004.

10.a4 d5 11.b5 dc4 12.dc4 Qc7 13.a5 ba5 14.Qa4 =.

10.Qa4 A) 10...d5 11.a3 (11.cd5 cd5 12.d4 e4 13.Ne5 a6 14.Rfc1=; 11.Rac1 dc4 12.dc4 Qc7 13.Rfd1 Bd6 14.e4=; 11.Rab1 Re8 12.d4 dc4 13.de5 b5 14.Qc2=; 11.d4 e4 12.Ne5 dc4 13.Nc6 Bc6 14.Qc6=; 11.Qb3 a5 12.a3 Qc7 13.cd5 cd5 14.Nb5=; 11.Rfd1 a5 12.b5 Rc8 13.d4 cb5 14.Nb5=; 11.Rfb1 Re8 12.d4 dc4 13.de5 b5 14.Qc2=; 11.Rad1 a6 12.a3 Bd6 13.Qb3 Re8 14.cd5=) 11...a5 12.Qb3 Qc7 13.cd5 cd5 14.Rfc1=; B) 10...c5 11.b5 (11.a3 Re8 12.Rfe1 Qc7 13.d4 cd4 14.ed4=) 11...a6 12.ba6 Ra6 13.Qb3 Re8 14.Rfb1=; C) 10...a5 11.b5 Rc8 12.d4 cb5 13.Nb5 e4 14.Nd2=; D) 10...Re8 11.Rfd1 (11.d4 ed4 12.Nd4 c5 13.Nf5 cb4 14.Qb4=; 11.a3 d5 12.cd5 cd5 13.d4 e4 14.Ne5=; 11.Rad1 c5 12.a3 Qc7 13.d4 ed4 14.ed4=; 11.Rac1 c5 12.d4 cd4 13.ed4 a5 14.Rfd1=; 11.Rfb1 c5 12.a3 a6 13.e4 Rc8 14.b5=; 11.Rfc1 c5 12.d4 cd4 13.ed4 a5 14.Nb5=) 11...c5 12.a3 Qc7 13.d4 a6 14.d5+=; E) 10...a6 11.a3 (11.d4 b5 12.Qb3 bc4 13.Bc4 c5 14.de5=; 11.Rfc1 c5 12.bc5 dc5 13.e4 Qc7 14.Nd5=; 11.Rac1 c5 12.bc5 dc5 13.e4 Qc7 14.Nd5+=; 11.Qb3 d5 12.Rfc1 Bd6 13.d4 dc4 14.Bc4=; 11.Qc2 d5 12.a3 Re8 13.d4 ed4 14.Nd4=; 11.Rfd1 d5 12.a3 Bd6 13.Rac1 Qb8 14.h3=; 11.Rab1 d5 12.a3 Re8 13.Qb3 Bd6 14.Rfc1=; 11.Nd2 d5 12.a3 a5 13.Qb3 Qb8 14.b5=) 11...d5 12.cd5 cd5 13.Rac1 b5 14.Qb3=.

10.Rb1 A) 10...Qc7 11.d4 e4 12.Nh4 d5 13.c5 g6 14.f3=; B) 10...Re8 11.Qb3 (11.d4 e4 12.Ng5 d5 13.Qb3 h6 14.Nh3=; 11.a3 a6 12.d4 e4 13.Nd2 d5 14.f3=) 11...c5 12.b5 Qc7 13.Ng5 Rad8 14.f4=; C) 10...a6 11.a3 (11.d4 e4 12.Nd2 d5 13.Qb3 b5 14.c5=) 11...d5 12.d4 e4 13.Nd2 Re8 14.Qc2=; D) 10...d5 11.Qa4 (11.Qb3 a6 12.d4 ed4 13.ed4 dc4 14.Bc4=; 11.a3 dc4 12.dc4 a5 13.b5 Rc8 14.bc6=) 11...Re8 12.d4 dc4 13.de5 b5 14.Qc2=.

10.Qb3 A) 10...Re8 11.Rab1 (11.d4 e4 12.Nd2 d5 13.b5 cb5 14.cb5=; 11.Rfd1 c5 12.d4 ed4 13.ed4 cb4 14.Qb4=; 11.Rfc1 a5 12.a3 Ng4 13.b5 Bh4 14.Rf1+=; 11.e4 Qc7 12.a3 c5 13.Bc1 a6 14.Be3+=; 11.Rfb1 d5 12.d4 e4 13.Nd2 Qb8 14.a4=; 11.a3 a5 12.e4 d5 13.cd5 cd5 14.ed5=; 11.Rad1 c5 12.d4 ed4 13.ed4 a5 14.b5+=; 11.Rfe1 d5 12.cd5 cd5 13.Rec1 a5 14.ba5=; 11.Rae1 c5 12.a3 cb4 13.ab4 a5 14.Ra1=) 11...c5 12.b5 Qc7 13.Ng5 a6 14.ba6+=; B) 10...c5 11.b5 (11.a3 Re8 12.Nd2 a6 13.f4 Nf8 14.Bf3=) 11...a6 12.ba6 Ra6 13.Rfb1 Bc6 14.Nb5+=; C) 10...a5 11.b5 (11.a3 d5 12.d4 e4 13.Ne5 ab4 14.ab4=) 11...cb5 12.Nb5 a4 13.Qd1 Re8 14.Rb1+=; D) 10...d5 11.a3 (11.Rfc1 a5 12.cd5 cd5 13.ba5 Ra5 14.d4=; 11.cd5 cd5 12.d4 e4 13.Ne5 Bd6 14.Nd7=; 11.d4 e4 12.Nd2 Bd6 13.cd5 cd5 14.Nb5=; 11.Rfb1 a5 12.b5 dc4 13.dc4 cb5 14.Nb5=; 11.Rad1 Re8 12.d4 e4 13.Nd2 Qb8 14.h3=; 11.Rac1 a5 12.cd5 ab4 13.dc6 Bc6 14.Ne4=; 11.Rab1 a6 12.d4 ed4 13.ed4 dc4 14.Bc4=) 11...dc4 12.dc4 a5 13.Rfd1 Qc7 14.Nh4+=; E) 10...Qe8 11.Rac1 (11.a3 a5 12.b5 Nc5 13.Qd1 Ne6 14.bc6+=; 11.d4 e4 12.Nd2 d5 13.Rac1 a6 14.cd5+=; 11.e4 a5 12.b5 Nc5 13.Qc2 cb5 14.Nb5=; 11.Rab1 d5 12.d4 e4 13.Nd2 a6 14.a4=; 11.Rfc1 a5 12.ba5 Ra5 13.d4 Qa8 14.Rab1=) 11...a5 12.b5 Nc5 13.Qd1 a4 14.d4+=; F) 10...Qc7 11.a3 (11.d4 a6 12.Rfd1 c5 13.bc5 bc5 14.de5=; 11.Rfd1 a5 12.b5 Nc5 13.Qc2 a4 14.d4+=; 11.Rad1 Rfe8 12.d4 c5 13.bc5 bc5 14.de5=) 11...a5 12.d4 Rfe8 13.b5 ed4 14.Nd4+=; G) 10...a6 11.Rfc1 (11.a3 d5 12.d4 dc4 13.Qc4 b5 14.Qb3=; 11.d4 Re8 12.Rad1 Qc7 13.e4 c5 14.bc5=; 11.Rac1 c5 12.b5 Re8 13.ba6 Ra6 14.Rb1=; 11.a4 d5 12.d4 ed4 13.Nd4 c5 14.bc5=) 11...Re8 12.d4 ed4 13.Nd4 c5 14.Nf5=.

10.Rc1 A) 10...Re8 11.d4 (11.a3 c5 12.e4 a6 13.Qa4 Rc8 14.b5=; 11.b5 cb5 12.cb5 a6 13.d4 ab5 14.Bb5=; 11.Qa4 c5 12.a3 cb4 13.ab4 a5 14.d4=; 11.Qb3 c5 12.d4 cd4 13.ed4 a5 14.Rfd1=; 11.Qc2 c5 12.bc5 dc5 13.e4 Bc8 14.Rb1=; 11.Qd2 d5 12.b5 dc4 13.dc4 Qc7 14.Rfd1=; 11.Re1 c5 12.bc5 dc5 13.Qb3 a6 14.e4=; 11.a4 Qc7 12.d4 a6 13.Qd2 e4 14.Nh4=) 11...c5 12.bc5 bc5 13.d5 Rb8 14.Rb1=; B) 10...a6 11.d4 Qe8 12.a3 c5 13.d5 Bc8 14.Bd3+=; C) 10...c5 11.a3 (11.b5 Re8 12.Rb1 a6 13.ba6 Ra6 14.Qb3=) 11...Re8 12.e4 a6 13.Qa4 a5 14.b5+=; D) 10...d5 11.Qb3 (11.cd5 cd5 12.b5 a6 13.a4 Bd6 14.d4=) 11...a5 12.cd5 ab4 13.dc6 Bc6 14.Ne4=.

10.d4 e4 11.Nd2 (11.Ng5 d5 12.Qb3 Ne8 13.Nh3 dc4 14.Bc4=) 11...d5 12.Qb3 a5 13.a3 ab4 14.ab4=.

9.d3 Re8

10.a3 c5 11.Qb3 (11.d4 cd4 12.ed4 e4 13.Nd2 d5 14.Re1=; 11.b5 a6 12.ba6 Bc6 13.Nb5 Ra6 14.Qb3=; 11.e4 a6 12.Qc2 Qc7 13.b5 ab5 14.Nb5=; 11.Qd2 a6 12.e4 Qc7 13.Rfb1 Bc6 14.Bc1+=; 11.Qc2 a6 12.e4 Bc8 13.Rfb1 Qc7 14.Bc1+=; 11.Qa4 Qc7 12.e4 a6 13.Rfb1 b5 14.cb5=; 11.Qe1 a6 12.e4 Bc6 13.Nd5 Nd5 14.ed5=) 11...Qc7 12.b5 a6 13.Rfb1 ab5 14.Nb5 +=.

10.a3 c6 11.d4 c5 12.d5 Bc8 13.Qc2 cb4 14.ab4+=.

10.e4 c6 11.a3 Nf8 (11...d5 12.ed5 (12.cd5 cd5 13.ed5 Nd5 14.Nd5 Bd5 15.Ne5 Ne5 16.Be5 Bb4 17.Bg7 Ba3 18.Bf3=) 12...cd5 13.cd5 Nd5 14.Nd5 Bd5 15.Ne5 Ne5=) 12.Nh4 (12.d4 Qc7 (12...a5 13.d5 ab4 14.ab4 Ra1 15.Qa1 Ng6+=; 12...Ng6 13.Qc2 Nf4 14.de5 de5 15.Ne5 c5+=; 12...d5 13.cd5 ed4 14.Qd4 cd5 15.ed5 Bd5 16.Nd5 Qd5+=; 12...ed4 13.Nd4 a5 14.Nf5 Ne6 15.Re1 Nf4+=; 12...a6 13.de5 de5 14.Ne5 Bd6 15.f4 c5+=; 12...Qd7 13.de5 de5 14.Ne5 Qe6 15.f4 Bd6+/–) 13.Rc1 Ng6 14.Re1 a6 15.b5 ab5=) 12...N6d7 (12...Ne4!? 13.de4 Bh4+= 14.Qd3 Ne6 15.Rad1 Nd4+=) 13.Nf5= Ng6 (13...Ne6 14.d4 ed4 15.Nd4 Nf4+=) 14.Ne7 (14.d4 Nf4 15.d5 Nf6+=) 14...Qe7 15.Bf3 (15.Bc1 Nf6=) 15...Ndf8 (15...Nf6=) 16.Ne2 Ne6 17.Qd2 c5 18.b5 Nef4 19.Nf4 Nf4 20.Rfe1 Qg5 21.Kh1 Qg6 22.Bc1 Rab8 23.Qb2?? (better is 23.Qd1=) 23...Nd3–+ 24.Qe2 Ne1 25.Qe1 f5 26.ef5 Qf5 27.Qe3?! (27.Bb7 Rb7 28.Be3 Qd3–+) 27...e4 (better is 27...Bf3!? 28.Qf3 Qf3 29.gf3–+) 28.Be2 Qf6 29.Rb1 Rf8 30.Bb2? (30.Kg1–+) 30...Qf2 (30...Qf2 31.Qc3 Rf6–+) 0–1. Latapie,Vincent – Taravaud,Evelyne (1750), Mont de Marsan FRA Open Noel, 2006.

10.e4 c6 11.Qb3 a6 A) 12.Rfd1 Qc7 (12...d5 13.cd5 cd5 14.d4 ed4 15.Rd4 a5=; 12...Bf8 13.a3 c5 14.Rab1 Bc8 15.b5 ab5=; 12...Qc8 13.a3 c5 14.b5 Qc7 15.Rdb1 ab5=; 12...Qb8 13.d4 c5 14.de5 cb4 15.ef6 bc3=; 12...c5 13.b5 Ng4 14.ba6 Ra6 15.Rab1 Ngf6=; 12...a5 13.a3 d5 14.ed5 cd5 15.d4 ab4=; 12...Rc8 13.d4 ed4 14.Nd4 c5 15.Nf5 cb4=) 13.d4 c5 14.bc5 bc5 15.de5 Ne4=; B) 12.Rfb1 d5 (12...Qc7 13.d4 ed4 14.Nd4 Ne5 15.Nf5 Bc8=; 12...Nh5 13.Bc1 Nhf6 14.a3 Rc8 15.Bd2 Qc7=; 12...Rc8 13.a4 d5 14.cd5 cd5 15.ed5 Bd6=; 12...Bc8 13.d4 c5 14.bc5 ed4 15.Nd4 Nc5=; 12...c5 13.b5 a5 14.Bc1 Qc7 15.Be3 Ng4=; 12...a5 13.a3 d5 14.cd5 cd5 15.ed5 Bd6=; 12...Bf8 13.Rd1 d5 14.ed5 cd5 15.d4 e4=) 13.cd5 cd5 14.ed5 Bd6 15.Re1 Qe7=; C) 12.Rfe1 Bf8 (12...Qb8 13.d4 c5 14.d5 cb4 15.Qb4 Nc5=; 12...Bc8 13.d4 c5 14.bc5 ed4 15.Nd4 bc5=; 12...c5 13.b5 Qc7 14.Rab1 Ra7 15.a3 Rea8=; 12...Rc8 13.a3 c5 14.b5 Ra8 15.ba6 Ra6=; 12...Rb8 13.a3 c5 14.b5 Ra8 15.ba6 Ra6=; 12...Qc7 13.a3 Bd8 14.Red1 c5 15.b5 Be7=; 12...Ra7 13.Rab1 c5 14.b5 Qc7 15.Bc1 Rea8=; 12...Qc8 13.Rab1 a5 14.b5 Nc5 15.Qc2 cb5=) 13.a3 Qc7 14.Rad1 c5 15.Rc1 Be7=; D) 12.a3 c5 (12...Bf8 13.Rad1 Qc7 14.Rfe1 c5 15.b5 Be7+=; 12...Nh5 13.d4 Nf4 14.Rfe1 ed4 15.Nd4 Bf6=) 13.Bc1 Bc8 14.Qa4 Nf8 15.Rb1 Bd7=; E) 12.Rab1 d5 13.cd5 cd5 14.ed5 a5 15.a3 ab4=; F) 12.Rfc1 c5 (12...Qc7 13.a3 Bd8 14.Qd1 c5 15.Nd5 Nd5=; 12...Nh5 13.d4 Nf4 14.Re1 ed4 15.Nd4 Bf6=; 12...Rc8 13.a4 a5 14.ba5 ba5 15.Rab1 Rb8=; 12...Bc8 13.d4 c5 14.de5 de5 15.a3 Bd6=; 12...Ra7 13.Rab1 Qc7 14.d4 c5 15.bc5 bc5=; 12...Qb8 13.a3 d5 14.ed5 cd5 15.cd5 Qd6=; 12...Qc8 13.a3 a5 14.d4 ed4 15.Nd4 Qc7+=; 12...Rb8 13.Rab1 b5 14.cb5 ab5 15.d4 ed4=; 12...Bf8 13.a3 Rb8 14.Rd1 Qc7 15.Rac1 c5+=) 13.b5 ab5 14.Nb5 Nh5 15.Bd1 Nf4=; G) 12.Rae1 Qc7 (12...Bc8 13.d4 Qc7 14.Qc2 Nf8 15.b5 cb5=; 12...Qb8 13.d4 c5 14.d5 cb4 15.Qb4 Qc7=; 12...a5 13.b5 Nc5 14.Qc2 Qd7 15.bc6 Bc6+=; 12...c5 13.b5 Qc7 14.Nd2 Nf8 15.ba6 Ra6=; 12...Rc8 13.a3 d5 14.cd5 cd5 15.ed5 Bd6=; 12...Bf8 13.a3 Qc7 14.Rd1 d5 15.cd5 cd5=; 12...Qc8 13.a3 c5 14.Nd5 Nd5 15.cd5 Qc7=; 12...d5 13.cd5 cd5 14.Nd5 Nd5 15.ed5 Bd6=; 12...Ra7 13.a3 Qc7 14.d4 c5 15.d5 Bc8+=) 13.d4 c5 14.bc5 bc5 15.de5 Ne4=; H) 12.a4 d5 (12...a5 13.b5 Rc8 14.bc6 Nc5 15.Qc2 Bc6=; 12...Qc7 13.Rad1 c5 14.Nd5 Nd5 15.cd5 a5=; 12...Rb8 13.Rab1 Qc7 14.Rfc1 a5 15.b5 cb5=; 12...Bc8 13.Rfb1 c5 14.b5 ab5 15.ab5 Ra1+=) 13.cd5 cd5 14.Nd5 Nd5 15.ed5 Bd6=; I) 12.Rad1 Qc8 (12...d5 13.cd5 cd5 14.d4 Ne4 15.de5 Nc3+=) 13.a3 c5 14.b5 ab5 15.Nb5 Bc6=.

10.e4 c6 11.Qb3 c5 12.b5 Bc8 (12...Nf8 13.Bc1 a6 14.ba6 Ra6 15.Nb5 Ne6=; 12...Qc7 13.Nd2 a6 14.f4 Nf8 15.Nd5 Nd5=; 12...a6 13.ba6 Ra6 14.Rfb1 Qc7 15.Nb5 Qc6=; 12...a5 13.Nd2 Nf8 14.Bc1 Ng6 15.Nf3 Nf4+=; 12...Ng4 13.Nd2 Bg5 14.Bg4 Bd2 15.Qd1 Bg5+=; 12...Qc8 13.Nd2 a6 14.ba6 Ra6 15.f4 ef4+=; 12...Qb8 13.Nd2 Bc8 14.f4 ef4 15.Rae1 Ne5=) 13.Nd2 Nf8 14.Bc1 Ne6 15.Nf3 Nd4=.

10.e4 c6 11.Qb3 Qc7 A) 12.d4 c5 13.bc5 bc5 14.d5 Reb8 15.Qc2 Bc8=; B) 12.Rfe1 a5 (12...a6 13.Rad1 Bc8 14.d4 Rd8 15.Qc2 Re8+=; 12...c5 13.b5 a6 14.Reb1 a5 15.Qa4 Rad8=; 12...Bf8 13.Rad1 c5 14.Nd5 Nd5 15.cd5 Be7=; 12...Bc8 13.d4 a6 14.Qc2 Ra7 15.Rad1 ed4+=; 12...Rac8 13.d4 c5 14.bc5 bc5 15.de5 de5=; 12...Bd8 13.Red1 a6 14.a3 c5 15.b5 Be7=; 12...Rad8 13.d4 c5 14.bc5 bc5 15.d5 Rb8=) 13.b5 d5 14.bc6 dc4 15.Qc4 Qc6=; C) 12.Rad1 a5 (12...c5 13.b5 Bc8 14.Rb1 Qd8 15.Bc1 Qc7=; 12...d5 13.ed5 cd5 14.d4 e4 15.Ne5 a6=; 12...Rad8 13.a3 d5 14.ed5 cd5 15.d4 e4=; 12...Qc8 13.a3 a5 14.b5 Nc5 15.Qc2 Qd7=; 12...Bd8 13.d4 ed4 14.Nd4 Ne4 15.Ne4 Re4=) 13.b5 d5 14.ed5 cd5 15.d4 Rac8=; D) 12.a3 Bf8 13.Rfd1 a6 14.Rac1 Be7 15.d4 c5=.

10.e4 c6 11.Qb3 Rc8 A) 12.a3 d5 (12...Bf8 13.Rad1 a6 14.Rd2 d5 15.ed5 cd5=; 12...c5 13.Nd2 a6 14.b5 Ra8 15.ba6 Ra6=; 12...a6 13.d4 c5 14.d5 Nh5 15.Rfb1 Nf4+=; 12...Qc7 13.d4 d5 14.cd5 cd5 15.Rfc1 ed4+=) 13.ed5 cd5 14.cd5 Bd6 15.Rac1 a5=; B) 12.Rfc1 Ra8 (12...a6 13.Rab1 Qc7 14.a3 Bd8 15.Qd1 c5=; 12...c5 13.b5 Ra8 14.Rcb1 Bc8 15.Bc1 Qc7=; 12...Qc7 13.a3 a6 14.d4 ed4 15.Nd4 Ne5=; 12...Rb8 13.a3 a6 14.d4 ed4 15.Nd4 Ne5=) 13.a3 c5 14.Nd5 Nd5 15.cd5 a6=; C) 12.Rac1 a5 (12...Qc7 13.Rfd1 a6 14.d4 ed4 15.Nd4 c5=; 12...a6 13.a3 c5 14.b5 Ra8 15.ba6 Ra6=; 12...c5 13.b5 Ra8 14.Nd2 a6 15.ba6 Ra6=; 12...Ra8 13.a3 a5 14.Rfd1 ab4 15.ab4 Qc7=) 13.a3 Ra8 14.Rfd1 c5 15.Ra1 Qc7=; D) 12.Rae1 Bf8 (12...a5 13.a3 ab4 14.ab4 Ra8 15.Ra1 d5+=; 12...Qc7 13.d4 a5 14.a3 ed4 15.Nd4 Bf8+=; 12...a6 13.a3 d5 14.cd5 cd5 15.ed5 Bd6=; 12...Ra8 13.a3 a5 14.b5 Nc5 15.Qc2 Rc8=; 12...d5 13.cd5 cd5 14.Nd5 Nd5 15.ed5 Bd6=; 12...c5 13.b5 Ra8 14.Nd2 Qc7 15.f4 ef4+=) 13.Ng5 Qe7 14.f4 ef4 15.Rf4 d5=; E) 12.Rfe1 a6 13.a3 c5 14.b5 Ra8 15.ba6 Ra6=.

10.e4 c6 11.Qb3 Nh5 A) 12.d4 Nf4 (12...ed4 13.Nd4 Nf4 14.Nf5 Bf6 15.Rfe1 Be5=; 12...Qc7 13.Bc1 Nhf6 14.d5 a5 15.b5 cd5=) 13.de5 Ne5 14.Ne5 de5 15.Rad1 Qc7=; B) 12.Ne5 Ne5 13.d4 Nf4 14.de5 de5 15.Rad1 Qc7=; C) 12.Rfe1 a5 (12...c5 13.Nd5 Bd5 14.cd5 Nf4 15.Bc1 Ne2=; 12...Qc7 13.d4 Nf4 14.Rad1 a6 15.Bf1 ed4=; 12...Nhf6 13.a3 a5 14.d4 c5 15.d5 Qc7+=; 12...Nf4 13.d4 ed4 14.Nd4 Bf6 15.Nf5 Be5=; 12...Bf6 13.Bc1 Nf4 14.Bf4 ef4 15.d4 c5=) 13.b5 Nf4 14.d4 cb5 15.Qb5 Ne2+=; D) 12.Rae1 a5 (12...a6 13.d4 Nf4 14.d5 Nf6 15.Bc1 Ne2=; 12...Qc7 13.Bc1 Nhf6 14.Be3 a5 15.b5 d5=; 12...Bg5 13.Ng5 Qg5 14.Bh5 Qh5 15.f4 a6=; 12...c5 13.Nd5 Bd5 14.ed5 Nf4 15.Bc1 Bg5=; 12...Nf4 13.d4 ed4 14.Nd4 Bf6 15.Nf5 Be5=) 13.b5 Nf4 14.d4 cb5 15.Qb5 ed4+=; E) 12.a4 Nf4 (12...a5 13.b5 Nf4 14.Qc2 f5 15.Rfe1 Nc5=) 13.Bc1 Ne2 14.Ne2 d5 15.Ng3 a5=; F) 12.Rfd1 Nf4 13.d4 ed4 14.Nd4 c5 15.Nf5 cb4=; G) 12.a3 Nf4 (12...a5 13.b5 Nf4 14.Qc2 cb5 15.Nb5 Rf8=) 13.Rfe1 a5 14.d4 ed4 15.Nd4 Bf6=; H) 12.Bc1 Nhf6 (12...Bf6 13.Re1 a6 14.a4 a5 15.b5 Nf4+=) 13.Be3 d5 14.cd5 cd5 15.ed5 Qc7=.

10.e4 c6 11.d4 A) 11...ed4 A1) 12.Qd4 A11) 12...Bf8 13.Nd2 (13.Bd3 Ne5 14.Rfe1 Nf3 15.gf3 Nh5 16.Kh1=) 13...c5 14.bc5 dc5 15.Qe3 (15.Qd3 Qe7= 16.f3=) 15...Qe7 16.Rad1=; A12) 12...c5 13.bc5 dc5 14.Qd3 A121) 14...Qb8 15.Rad1 Ne5 (15...Bf8= 16.Rfe1=) 16.Ne5=; A122) 14...Bf8 15.Rad1 Qe7 16.Nd2=; A2) 12.Nd4 A21) 12...Rc8 13.Nf5 d5 14.ed5 Bb4 15.d6 Ra8+= 16.a3+=; A22) 12...a5 13.ba5 (13.a3 d5 14.b5 cb5 15.cd5 b4=16.ab4=) 13...Ra5 14.Qd2 Qc7 15.Rfd1 Bc8 16.Nf5=; A23) 12...d5 13.ed5 (13.cd5 cd5 14.ed5 Nd5 15.Nd5 Bd5 16.Nf5=; 13.b5 cb5 14.cd5 a6 15.Rc1 Bd6 16.f3=) 13...cd5 14.cd5 Nd5 15.Nd5 Bd5= 16.Nf5=; A24) 12...a6 13.Qb3 (13.Nc2 Qc7 14.Re1 Rac8 15.Bd3 Ne5 16.a3=; 13.a3 d5 14.ed5 cd5 15.Re1 dc4 16.Bc4=; 13.Re1 Ne5 14.a3 b5 15.cb5 ab5 16.a4=) 13...Qc7 14.Nf5 Bf8 15.a3 a5 16.Rfd1+=; A25) 12...c5 13.bc5 (13.Nf5 cb4 14.Nd5 Nd5 15.ed5 Bf6 16.Qd2+=) 13...bc5 (13...dc5 14.Nf5 Qc7 15.Nb5 Qf4 16.Ng7+=) 14.Nf5 Rb8 15.Rb1 Be4= 16.Ne4=; B) 11...a5 B1) 12.a3 B11) 12...ab4 13.ab4 Ra1 14.Ba1 Qa8 15.Re1 ed4= 16.Nd4=; B12) 12...c5 13.bc5 ed4 14.Qd4 dc5 15.Qd3 Bf8= 16.Rad1=; B13) 12...Qc7 13.Qb3 (13.Qd2 ab4 14.ab4 d5 15.ed5 ed4 16.Nd4=; 13.Qd3 ed4 14.Qd4 c5 15.bc5 dc5 16.Qe3=) 13...c5 14.d5 cb4 15.ab4 ab4 16.Qb4+=; B14) 12...ed4 13.Nd4 (13.Qd4 Bf8 14.Qd3 Qe7 15.Nd2 d5= 16.ed5=) 13...d5 14.b5 cb5 15.Nd5 bc4 16.Bc4=; B2) 12.ba5 B21) 12...Ra5 13.h3 (13.Re1 Qc7 14.Qd3 Bc8 15.Qe3 Ng4 16.Qd2=; 13.Qd2 Qa8 14.Rfd1 ed4 15.Nd4 Bc8 16.Nf5=; 13.Rc1 Bc8 14.Rb1 Qc7 15.Re1 Ra7 16.Qd2=; 13.a3 Qc7 14.Re1 ed4 15.Nd4 Nc5 16.Qc2=; 13.Qc2 ed4 14.Nd4 Qc7 15.Rfd1 Bc8 16.Rd2=; 13.Bd3 Qc7 14.Rb1 Bc8 15.Na4 b5 16.cb5+=; 13.Qb1 ed4 14.Nd4 d5 15.ed5 cd5 16.cd5=; 13.Rb1 Qc7 14.Re1 ed4 15.Nd4 Nc5= 16.Nb3=; 13.Qd3) 13...Qa8 14.Re1 c5 15.d5 Bc8 16.Rb1+=; B22) 12...ed4 B221) 13.Qd4 Ra5 14.Rfd1 (14.Rad1 Qc7 15.Nd2 Bc8 16.Nb3=) 14...Qc7 (14...Nc5 15.Nd2 Ne6 16.Qe3=) 15.Rab1 (15.Nd2 Ne5= 16.Nb3=) 15...Bc8 16.Qe3=; B222) 13.Nd4 Ra5 14.Re1 Qc7 15.Qd3 Nc5 16.Qf3=; C) 11...c5 12.bc5 C1) 12...ed4 13.Qd4 (13.Nd4 bc5 14.Nf5 Rb8 15.Rb1 Be4= 16.Ne4=) 13...dc5 14.Qd3 Qb8 15.Rad1 Bf8 16.Rfe1=; C2) 12...Ne4 C21) 13.cb6 Nc3 14.Bc3 ab6 15.Qc2 (15.Qb1 Rc8 16.Qb3+=) 15...Bf6= 16.Rfe1=; C22) 13.cd6 Bd6 14.Nb5 Bb8 15.d5 a6 16.Na3+=; C23) 13.Ne4 Be4 14.Nd2 Bf5 15.Bf3 Rc8 16.Bb7=.

9.d4 ed4

10.ed4 a5 11.b5 d5 12.a4 Bd6 (12...Re8 A) 13.Re1 Bb4 (13...Ne4 14.Bd3 Nc3 15.Bc3 dc4 16.Bc4 Nf6=) 14.Qb3 Ne4 15.Bd3 Ndf6 16.Re3 Nc3=; B) 13.Qb3 Bb4 14.Rfe1 Ne4 15.Bd3 Ndf6 16.Rad1 c5=; C) 13.Ne5 Bb4 (13...Bd6 14.f4 dc4 15.Bc4 Re7 16.Rc1 Rc8+=) 14.f4 Nf8 15.Bf3 Ne6 16.Nd5 Nd5+=; 12...Bb4 A) 13.Re1 c5 (13...Rc8 14.Rc1 c5 15.bc6 Bc6 16.Nd2 Re8=; 13...c6 14.Rc1 Rc8 15.bc6 Bc6 16.Ne5 Ne5=) 14.Qd3 Rc8 15.Nd2 Re8 16.cd5 Nd5=; B) 13.Rc1 Re8 (13...Qe7 14.Nd5 Nd5 15.cd5 Nf6 16.Qc2 Bd5+=) 14.Re1 Rc8 15.Qb3 Re7 16.Ne5 Ne5=; C) 13.Ne5 Re8 14.Bf3 Ne5 15.de5 Nd7 16.Bd5 Bd5+=) 13.Qb3 (13.Re1 Rc8 (13...Rb8 14.Bd3 Rc8 15.Ne5 dc4 16.Bc4 c6+=; 13...h6 14.Nd2 Ne4 15.Nde4 de4 16.Ba3 Qg5=) 14.Rb1 c6 15.Qb3 cb5 16.Nb5 Bb4=; 13.Rc1 Bf4 (13...Re8 14.Qb3 Re7 15.Rfe1 dc4 16.Qc4 Qf8=; 13...dc4 14.Bc4 Bf4 15.Rc2 Qe7 16.Bc1 Bc1=; 13...Rc8 14.Re1 Bf4 15.Rb1 c6 16.Bc1 Bd6=; 13...Qe7 14.Re1 Bf4 15.Ra1 Rfe8 16.Bc1 Qd6=) 14.Rc2 Re8 15.Bc1 Bd6 16.Bg5 dc4=; 13.Rb1 Re8 (13...dc4 14.Bc4 Re8 15.Ng5 Re7 16.Re1 Re1+/–) 14.Qb3 dc4 15.Bc4 Re7 16.Nh4 g6=; 13.Bd3 dc4 (13...Re8 14.Rc1 Bf4 15.Rc2 c6 16.Bc1 Bc1=; 13...Rc8 14.Re1 dc4 15.Bc4 c6 16.bc6 Bc6=) 14.Bc4 Ng4 15.Bd5 Bd5 16.Nd5 Re8=) 13...dc4 14.Qc4 Re8 (14...Rc8 15.d5 Bb4 16.Rfd1 Nc5=) 15.Ng5 (15.Rae1 Rc8 16.Bd1 c6=) 15...Re7 (15...Qe7 16.Bf3 Bf3=) 16.Bf3 Bf3 17.Nf3 Nf8 (17...Qf8 18.Rae1=) 18.Rfe1 Ne6 19.d5 Nc5 20.Re7 Be7 21.Re1 Bd6 22.Nd4 (22.Ba3 Ncd7 23.Bc1 Bb4+=) 22...Qd7 23.Nb3 (23.Re2!?=) 23...Re8+= 24.Re8 Qe8 25.g3 Qe1 26.Kg2 Nfe4 (26...Nb3!? 27.Qb3 Qd2+=) 27.Ne4= Ne4 (worse is 27...Qe4 28.Qe4 Ne4 29.Kf3+/–) 28.Bd4 Nd2 29.Nd2 Qd2 30.Bc3 ½–½. Majdziuk,B – Zoltek,W, Poland, 1978.

10.ed4 a5 11.b5 d5 12.Re1 A) 12...Re8 A1) 13.Rc1 Bb4 (13...Bd6 14.Qb3 Bf4 15.Rcd1 c6 16.bc6 Bc6+=; 13...c5 14.cd5 Nd5 15.Bc4 Nf4 16.Ne4 Nf6+=; 13...c6 14.bc6 Bc6 15.Ne5 Ne5 16.de5 Ne4+=) 14.Qb3 c6 15.bc6 Bc6 16.a3 Bc3+=; A2) 13.Qb3 Nf8 (13...c5 14.bc6 Bc6 15.a4 Bb4 16.cd5 Bc3+=; 13...Bb4 14.Rac1 Ne4 15.Bd3 Ndf6 16.a3 Bc3+=; 13...c6 14.bc6 Bc6 15.a4 Bb4 16.cd5 Bc3+=; 13...Ra7 14.Bd3 Nf8 15.cd5 a4 16.Na4 Bd5+/–; 13...Ne4 14.Nd5 Bd5 15.cd5 Bb4 16.Rec1 Ndf6+=) 14.cd5 Bb4 15.Ne5 Qd6 16.Bc4 a4+=; B) 12...Bb4 B1) 13.a3 Bd6 (13...Bc3 14.Bc3 Re8 15.Rc1 dc4 16.Bc4 Re1+=) 14.Qb3 dc4 15.Qc4 Re8 16.Rad1 Qe7=; B2) 13.Bd3 Rc8 (13...c6 14.a3 dc4 15.Bc4 cb5 16.Bb5 Bc3+=; 13...c5 14.bc6 Bc6 15.Rc1 Rc8 16.Ne5 Re8+=) 14.a3 Bc3 15.Bc3 dc4 16.Bc4 Bd5=; B3) 13.Qc2 Rc8 (13...c6 14.bc6 Bc6 15.Ne5 Rc8 16.Bf3 Ba8=; 13...Re8 14.a3 Bc3 15.Qc3 c6 16.Ne5 Rc8+=; 13...dc4 14.Ne5 Ne5 15.de5 Nd5 16.Bc4 Nf4=) 14.Ne5 c5 15.bc6 Bc6 16.a3 Bc3=; B4) 13.Rc1 Bd6 (13...Re8 14.Qb3 Ne4 15.Bd3 Ndf6 16.a3 Bc3+=; 13...c6 14.a3 Bc3 15.Bc3 Rc8 16.bc6 Bc6+=; 13...Ra7 14.a3 Bd6 15.Bd3 dc4 16.Bc4 Bf4+=; 13...Ne4 14.Qb3 Ndf6 15.Ne5 Nd2 16.Qc2 Nc4+=; 13...Rc8 14.Ne5 Ne4 15.Bf3 Ndf6 16.cd5 Nc3+=; 13...Qe7 14.Qc2 dc4 15.Bc4 Qd6 16.Ne5 a4+=) 14.Qb3 dc4 15.Qc4 Re8 16.Rcd1 Rc8+=; C) 12...Ra7 C1) 13.Qd3 dc4 (13...Re8 14.Qf5 dc4 15.Bc4 Bf3 16.Qf3 a4+/–; 13...a4 14.a3 Re8 15.Qf5 Bd6 16.cd5 g6+=; 13...Bb4 14.a3 dc4 15.Qc4 Bc3 16.Qc3 Re8+=) 14.Qc4 Bd6 15.a3 Re8 16.Rad1 Ra8+=; C2) 13.Ne5 Bb4 (13...Re8 14.Qc2 Bb4 15.a3 Bc3 16.Bc3 Ne4+/–) 14.a3 Bc3 15.Bc3 Ne4 16.Rc1 Qh4+=; C3) 13.Qc2 Bb4 (13...Re8 14.Ne5 Bb4 15.a3 Bc3 16.Bc3 Ne4+/–; 13...Bd6 14.Qf5 a4 15.a3 Re8 16.cd5 g6+=; 13...dc4 14.Ne5 Ne5 15.de5 Nd5 16.Bc4 Nf4+=; 13...Qa8 14.cd5 Bb4 15.Bd3 Bc3 16.Bc3 Bd5+/–; 13...a4 14.Na4 dc4 15.Qc4 Bd5 16.Qc2 Be4+/–; 13...Ra8 14.Ne5 Re8 15.Bf3 Bb4 16.Rad1 Rb8+/–; 13...h6 14.Qf5 Bb4 15.Rac1 Ne4 16.cd5 Bc3+=) 14.Ne5 Ne4 15.Bf3 Ne5 16.de5 Nc3+=; C4) 13.Rc1 Bb4 (13...Bd6 14.Bd3 dc4 15.Bc4 Bf4 16.Rc2 Re8+=) 14.a3 Bd6 15.Bd3 Bf4 16.Rc2 dc4+=; C5) 13.a3 Bd6 (13...Re8 14.Qb3 Qa8 15.Ne5 Rd8 16.Qc2 Bd6+/–) 14.Qd3 dc4 15.Qc4 Re8 16.Rad1 Nh5+=; C6) 13.Nd2 Re8 (13...Qa8 14.Bf3 Re8 15.Qa4 c5 16.cd5 Nd5+=; 13...c5 14.Bf3 cd4 15.Nd5 Nd5 16.cd5 d3+=; 13...Bb4 14.a3 Bc3 15.Bc3 dc4 16.Bc4 Qa8+=; 13...Bd6 14.Bf3 Re8 15.Re8 Qe8 16.cd5 Qa8+=; 13...dc4 14.Bf3 Bf3 15.Qf3 Re8 16.Nc4 Qa8+=; 13...Nb8 14.Bf3 Re8 15.Qb3 c6 16.cd5 cd5+=) 14.Bf3 Nf8 15.Qb3 Ng6 16.Nd5 Nd5+=; C7) 13.Qb3 Bd6 (13...dc4 14.Qc4 Bd6 15.a3 Qa8 16.d5 Bd5+=; 13...Qa8 14.Ne5 a4 15.Qc2 a3 16.Bc1 dc4+=; 13...Re8 14.Bd3 Nf8 15.cd5 a4 16.Na4 Bd5+/–) 14.cd5 Qa8 15.Bc4 a4 16.Qc2 Nd5+=; C8) 13.Nh4 Bb4 (13...Ne4 14.Nf5 Bb4 15.Qc2 Qf6 16.Bg4 h5=) 14.Nf5 Ne4 15.Qc2 Qf6 16.Bg4 h5=; C9) 13.Bf1 Re8 (13...Bb4 14.a3 Bc3 15.Bc3 Re8 16.Re8 Qe8+=) 14.Ne5 Bb4 15.Nc6 Bc6 16.Re8 Ne8+=; C10) 13.Bd3 Bb4 (13...Bd6 14.Ne5 Re8 15.Nc6 Re1 16.Qe1 Bc6+=; 13...Re8 14.Qb3 Nf8 15.cd5 a4 16.Na4 Bd5+/–) 14.a3 Bc3 15.Bc3 c6 16.Rc1 dc4+=; D) 12...Bd6 13.Qb3 Ra7 (13...dc4 14.Qc4 Re8 15.Rad1 Rc8 16.Qb3 c5=) 14.Rad1 a4 15.Qc2 dc4 16.Na4 Be4=.

10.ed4 a5 11.b5 d5 12.Ne5 A) 12...Bd6 A1) 13.f4 dc4 (13...Bb4 14.Bf3 Re8 15.Nd5 Nd5 16.cd5 Bd6+=) 14.Bc4 Bb4 15.Rc1 Bc3 16.Bc3 Bd5+=; A2) 13.Nc6 Bc6 14.bc6 Nb8 15.Nd5 Nd5 16.cd5 Re8+/–; B) 12...Re8 13.Bf3 Nf8 (13...Bd6 14.Nc6 Bc6 15.bc6 Nf8 16.Nd5 Ne6+/–) 14.Re1 Bb4 15.a3 Bc3 16.Bc3 Ne4+=; C) 12...Bb4 C1) 13.Qc2 Re8 (13...Rc8 14.Bf3 Bc3 15.Bc3 c6 16.bc6 Bc6+=; 13...Bc3 14.Bc3 Re8 15.Rae1 Ne4 16.Bb2 dc4+=; 13...dc4 14.Bc4 Bc3 15.Bc3 Be4 16.Qb2 Qe7+=) 14.Bf3 Bc3 15.Qc3 Ne4 16.Be4 de4+=; C2) 13.a3 Bc3 14.Bc3 Ne4 15.Rc1 dc4 16.Nc4 Qg5=; C3) 13.f4 Bc3 (13...dc4 14.Bc4 Rc8 15.Nc6 Bc6 16.bc6 Nb8+=; 13...Re8 14.Bf3 Bc3 15.Bc3 Ne4 16.Be4 de4+=; 13...Ra7 14.Rc1 Re8 15.a3 Bc3 16.Bc3 Ne4+=) 14.Bc3 Re8 15.Rc1 Ne4 16.Re1 Ndf6+=; C4) 13.Rc1 Re8 (13...Qe7 14.Nd5 Nd5 15.cd5 Nf6 16.Nc6 Qd6+/–) 14.Bf3 Ne5 15.de5 Nd7 16.Bd5 Bd5+=; C5) 13.Qa4 dc4 (13...Re8 14.Bf3 Ne4 15.Nd5 Nd2 16.Rad1 Nf1=; 13...Ne5 14.de5 d4 15.Rad1 Qe8 16.Rd4 Qe5+=; 13...Qe7 14.Qc2 dc4 15.Bc4 Ne5 16.de5 Qe5+=; 13...Bc3 14.Bc3 Ne4 15.Qc2 Ne5 16.de5 Nc3=; 13...Rc8 14.Nc6 Bc6 15.bc6 Nb8 16.Nd5 Nd5+=) 14.Bc4 Ne5 15.de5 Ng4 16.Rad1 Qh4+=; C6) 13.Bf3 Bc3 (13...Ne5 14.de5 Bc3 15.Bc3 Ne4 16.Rc1 dc4+=) 14.Bc3 Ne4 15.Be4 de4 16.Nd7 Qd7+=.

10.ed4 d5 11.c5 (11.a3 dc4 (11...Re8 12.Re1 a6 13.c5 a5 14.Bd3 ab4+=; 11...a5 12.b5 Re8 13.Re1 Bd6 14.Qb3 c6+=; 11...c6 12.cd5 Nd5 13.Nd5 cd5 14.Re1 a5=; 11...a6 12.c5 Re8 13.Re1 a5 14.Bd3 ab4+=) 12.Bc4 c5 13.dc5 bc5 14.b5 Nb6=; 11.Qb3 dc4 12.Qc4 Bd6 13.Rfe1 Re8 14.Qb3 a5=) 11...c6 (11...a5 12.a3 Re8 13.Re1 c6 14.Bd3 ab4=; 11...Re8 12.Ne5 bc5 13.bc5 Ne5 14.de5 Nd7=; 11...Ne4 12.Re1 a5 13.a3 Re8 14.Bd3 ab4+=) 12.Re1 Ne4 (12...a5 13.a3 Re8 14.Bd3 ab4=) 13.Ne4 (13.Bd3 f5 14.Qb3 Rf7+=) 13...de4 14.Nd2 f5 (14...Nf6+=) 15.Bc4 Kh8 16.Be6 (16.f3 a5 17.ba5 bc5 18.fe4 cd4 19.Bd4 Nc5+=) 16...Rf6 (16...Bc8!?=) 17.d5+/– cd5 18.Bf6 Bf6 19.Rb1 g6 20.Nc4 Nc5 21.bc5 dc4 22.Qd8 Rd8 (better is 22...Bd8!? 23.Bc4 Bc6 24.cb6 Bb6+=) 23.cb6+/– (23.Bc4?! Bd4=) 23...ab6 24.Rb6 (24.Bc4?! Bd4=) 24...c3? (better is 24...Ba8 25.Bc4 Kg7+/–) 25.Rb7 c2 (25...Rd2+–) 26.Bb3 Bc3 27.Rf1 Rd2 28.Rc7 Bd4 29.Bc2 e3 (29...Be5 30.Rc8 Kg7+–) 30.Rb1 Bf6 31.fe3 (31.fe3 Bd8 32.Rb8+–) 1–0. mtrc – myapples, internet, 2002.

10.ed4 Re8 11.d5 (11.Re1 c5 12.bc5 bc5+=) 11...Bf8 (11...a5 12.a3=) 12.Nd4+= Ne5 (12...a5 13.a3+=) 13.f4+/– Ng6 14.Bd3 a6 (14...a5 15.b5+/–) 15.Qf3 Qd7 16.Bf5 (16.Bc2 Ne7+/–) 16...Qd8 (16...Nh4!? 17.Bd7 Nf3 18.Nf3 Nd7=) 17.Rae1 (17.Bc2!?+/–) 17...Nh4+= 18.Qg3 (18.Qh3 Nf5 19.Nf5 g6 20.Nh6 Bh6 21.Qh6 Ng4+=) 18...Nf5 19.Nf5 Qd7? (19...g6 20.Re8 Qe8 21.Qh4 gf5 22.Qf6=) 20.Qd3 (20.Qg5!? Re1 21.Re1+=) 20...Bc8 (20...g6 21.Nd4=) 21.Ng3 Re1 22.Re1 Qg4 23.Nce4 Ne4 24.Re4 Bf5 (24...Bd7!?=) 25.Nf5+/– Qf5 26.Qe2 Qd7 27.h3 (27.Kf2 g6+/–) 27...b5 28.a3 (28.Kf2 Rc8+=) 28...g6 (28...Rc8 29.Qf3+=) 29.Qe3 (29.Bc3+/–) 29...Bg7 (29...f5!? 30.Re6 bc4+=) 30.Re7+/– Qd8 (better is 30...Qf5!? 31.Bg7 Kg7 32.Rc7 bc4 33.Qd4 Kg8 34.Rc4 Re8+/–) 31.Bg7+– Kg7 32.c5?? (better is 32.Qd4 Kg8 33.Qf6+–) 32...Kf8= 33.Re4 dc5 34.Qc5 Qd6 35.Qd4 Kg8 36.h4 Rd8 37.h5 f6 (37...c6 38.h6 Qf8 39.Qf6 cd5 40.Re7+=) 38.h6+= Qb6 (38...Kf8 39.Re3+=) 39.Qb6+/– cb6 40.Re6 a5 (40...Rd5!? 41.Rb6 Rh5+/–) 41.Rf6+– ab4 42.ab4 Rd5 43.Rb6 Rd4 (43...g5!? 44.fg5 Rg5+–) 44.Rb5 Rf4 45.g3 (45.Rb7 g5 46.b5 Rb4+–) 45...Rd4 (45...Rg4 46.Kf2 Kf7 47.Rb7 Kf6 48.Kf3+=) 46.Kf2 (46.Rb7 Rd2+–) 46...Kf8? (better is 46...Kf7+/–) 47.Rb7+– Kg8 48.b5 Rd6 (48...Rb4+–) 49.g4 (49.b6 g5 50.Rg7 Kh8+–) 49...g5 (49...Kf8+–) 50.Rg7 (better is 50.Rb8 Kf7 51.b6+–) 50...Kh8 51.Rc7 (51.Rg5 Rh6 52.Ke3 Rd6+–) 51...Rh6+/– 1–0. Kozlowska,Marzena (1935) – Kupsik,Joanna (1695), Wielkopolska III Liga Seniorow Poland, 2011.

10.Qd4 c5 11.bc5 dc5 12.Qf4 Qb8 13.Qb8 Rab8 14.Rad1 Rfd8=.

10.Qd4 Ne5 11.Ne5 de5 12.Qe5 Bb4 13.Rad1 Bd6 14.Qd4 Re8+=.

10.Nd4 c5 A) 11.Nc2 A1) 11...Qc7 12.Rb1 (12.b5 Rfe8 13.Rb1 a6 14.a3 Ne5 15.f4=; 12.Nb5 Qb8 13.Rb1 d5 14.bc5 Nc5 15.Ncd4=; 12.a3 Ne5 13.b5 a6 14.f4 Ng6 15.ba6+=; 12.Qd2 a6 13.Rfd1 Rfe8 14.Rac1 Ne5 15.bc5=; 12.Rc1 Rfe8 13.Re1 Ne4 14.Nd5 Bd5 15.cd5=; 12.a4 Rfe8 13.b5 a6 14.ba6 Ra6 15.Nd5=; 12.Re1 a6 13.Rc1 Rfe8 14.a4 Ne4 15.Nd5=) 12...Ne5 13.b5 a6 14.f4 Ng6 15.ba6+=; A2) 11...a6 12.f3 (12.a3 Qc7 13.Rc1 Rfc8 14.b5 Ne5 15.f4+=; 12.Qd2 Qc7 13.Rfc1 Rfc8 14.b5 ab5 15.Nb5=; 12.Rb1 Re8 13.a3 Qc7 14.b5 Ne5 15.f4=; 12.Rc1 Re8 13.a3 Rc8 14.b5 Ra8 15.ba6=; 12.Re1 Qc7 13.Rc1 Rfc8 14.e4 Qd8 15.Bd3=) 12...Qc7 13.b5 Ne5 14.e4 ab5 15.Nb5+=; A3) 11...Re8 12.Rc1 (12.Rb1 Ne5 13.Nd5 Rc8 14.b5 Nd5 15.cd5=; 12.a3 Qc7 13.Nb5 Qb8 14.Bf6 Nf6 15.Nc3=; 12.Re1 Ne5 13.Rc1 a6 14.f4 Nc6 15.Bf3=) 12...a6 13.a3 Rc8 14.b5 Ra8 15.ba6=; B) 11.bc5 Nc5 (11...dc5 12.Nf5 Re8 13.Qb3 a6 14.Rfd1 Rc8 15.Na4+=) 12.Nf5 (12.Qd2 Rc8 13.Rfd1 Nfe4 14.Ne4 Ne4 15.Qc2=; 12.Qc2 Re8 13.Qf5 Rc8 14.Rfd1 Nfe4 15.Nd5=; 12.Bf3 Bf3 13.Qf3 Nd3 14.Nc6 Qd7 15.Rab1=; 12.Rc1 Re8 13.Bf3 Qd7 14.Bb7 Qb7 15.Nf5+=; 12.a3 Rc8 13.Bf3 Bf3 14.Nf3 Re8 15.Rc1=; 12.Qb1 Nfe4 13.Rd1 Bh4 14.Ne4 Be4 15.Qc1=) 12...Bc8 13.Ne7 Qe7 14.Qd4 Bb7 15.Rad1+=.

10.Nd4 d5 11.Nd5 Nd5 12.cd5 Bd5 13.Nf5 Bf6 (13...Be4 14.Ng7 Bf6 (14...Bb4?? 15.Qd4 Nc5 16.Qb4+–) 15.Bf6 Nf6+/–) 14.Qd5+/– Bb2 15.Rad1 Nf6?? (better is 15...Ne5+/–) 16.Qb3+– (16.Qb3 Qe8 17.Qb2+–) 1–0. Vokac,Marek (2450) – Wiesenecker,F, Waidhofen an der Tha, 1992.

10.Nd4 Ne5 11.f4 Ned7 12.a3 (12.Bf3 Qc8 13.Nc6 Re8 14.Nb5 a6 15.Nbd4+=) 12...Re8 13.Bf3 Qc8 14.e4 c5 15.Nf5+=.

10.Nd4 Ne5 11.f4 Ng6 12.Bf3 Qc8 13.Nc6 Re8 14.Qd4 a5 15.ba5+=.

10.Nd4 Ne5 11.Nf5 a5 12.b5 Re8 13.Nd5 Nd5 14.cd5 Bf6 15.Qd2+=.

10.Nd4 Ne5 11.Nf5 Bc8 12.Ne7 (12.f4 Ng6 13.Qd3 Re8 14.Rad1 a5 15.b5+=) 12...Qe7 13.Nd5 Nd5 14.cd5 Bf5 (14...a5 15.b5+=) 15.Rc1 (15.Qd4+/–) 15...a5 16.b5 Rac8 17.Qd4 f6 18.e4 Bg6 19.f4 Nd7 20.Bf3 (20.Bg4!?+/–) 20...Nc5 21.Rfe1 Be8 22.Qc4 Bf7 23.Ba3 Qd7 24.Bc5 bc5 25.a4 Rfe8 26.Qc3 (26.e5 Qe7+/–) 26...Kf8 (26...Ra8 27.Rc2+/–) 27.Re3 (27.Qa5?! Ra8 28.Qc3 Ra4+=) 27...Qd8 28.Rce1 Qd7 29.e5 (29.Qa5?! Ra8 30.Qc3 Ra4+=) 29...fe5 30.fe5 Bg6 (30...de5!? 31.Re5 Qd6+/–) 31.e6 (31.Qa5?! Ra8 32.e6 Qe7+/–) 31...Qe7 32.Rf1 Kg8 33.Ree1 (33.Be4 Be4 34.Re4 Rf8+–) 33...Ra8 (33...Rf8!?+/–) 34.Be4+– Be4 35.Re4 (35.Rf7 Qg5 36.Re4 Rf8 37.Rc7 Rf5+–) 35...Qg5 (35...Rf8 36.Ref4+–) 36.Qc4 (36.Rf7 Rf8 37.Rc7 Rf5+–) 36...Re7 37.Ref4 Rae8 38.Qe4 Qg6 (38...Rb8 39.Qf3 Ree8 40.Rf7+–) 39.Qf3 Qf6?? (39...h6+–) 40.Rf6 gf6 41.Qf6 1–0. Liepert,Luise – Krentz,Susann, BL2 West, 2002.

10.Nd4 Ne5 11.Nf5 Qd7 12.Ne7 Qe7 13.Nd5 Nd5 14.cd5 c6 15.dc6+=.

10.Nd4+= Re8 11.b5 Bf8 (11...a6 12.ba6 Ra6 13.c5 Nc5 14.Ba6 Ba6 15.Re1=) 12.a4 a5 13.ba6 Ba6 14.Nc6 (14.Nd5 Bb7 15.Bf3 Ne4+=) 14...Qc8= 15.Nb5 Bb5 (15...Ne5!? 16.Nb4 Re7+=) 16.cb5+/– Ne5 17.Bf3 (17.Qc2 Qe6+/–) 17...Nf3+= 18.Qf3 Nd7 (18...Ne4 19.Rfd1+=) 19.Rfc1 (19.Bc3 Nc5+=) 19...Nc5+= 20.Qd5 (20.Rc4 Qe6 21.Rh4 Nd3+=) 20...Ra4= 21.Ra4 Na4 22.Bd4 Nc5 (22...Qe6 23.Qe6 fe6 24.f4=) 23.Ra1 Qe6 (23...Qg4 24.f3 Qh4 25.g3=) 24.Nb4 (24.Qe6 fe6 25.Ra7 Rc8=) 24...Qd5 (24...Nb3!? 25.Qe6 Re6=) 25.Nd5+= Ne6 26.Bb2 (26.Bc3 Rc8+=) 26...f6 (26...Be7 27.Ra7 Bd8 28.f3=) 27.Ra7 The backward pawn on c7 becomes a target 27...Rc8 28.g3 (28.Bc3 Kf7+=) 28...h6 (28...Kf7 29.h3=) 29.f4 (29.g4 c6 30.bc6 Rc6=) 29...f5= 30.Kg2 (30.g4 fg4 31.f5 Ng5+=) 30...g6 (30...c6!? 31.bc6 Rc6=) 31.Kf3 (31.Bd4 g5+=) 31...Bg7 (31...Kf7!?+=) 32.Ne7+/– White gets in control 32...Kf7? (better is 32...Kf8 33.Nc8 Bb2+/–) 33.Nc8+– Bb2 34.Nd6 Ke7 (34...Kf8 35.Nc4 Bg7 36.g4+–) 35.Nc4 Bf6 (35...Bg7 36.Nb6 Kd6 37.Nc8 Kc5 38.Ra6+–) 36.Nb6 Kd6 37.Na4 (37.Nc4 Kd5 38.Nd2 Bc3+–) 37...Kd5 38.Ra6 Bg7 39.h3 g5 (39...h5 40.Rc6+–) 40.Rc6 (40.g4 fg4 41.Kg4 gf4 42.ef4 h5 43.Kf5 Nd4 44.Kg6 Bf8+–) 40...gf4 41.gf4 h5 (41...Bh8 42.Nc3 Bc3 43.Rc3+–) 42.h4 (better is 42.Kg3 Bf6 43.Nc3 Bc3 44.Rc3 Kd6+–) 42...Bf6 (42...Bh8 43.Ra6+–) 43.Nc3 (better is 43.Nc5! Nc5 44.Rf6 Nb7 45.Rf5 Kc4+–) 43...Bc3 44.Rc3 Nc5 45.Rc2 Kd6 46.Rd2 Ke6 47.Rd8 Ne4 (47...Nd7 48.Rg8+–) 48.Rh8 (better is 48.Re8 Kd5 49.Re5 Kd6 50.Rf5 Nd2 51.Ke2 Ne4+–) 48...Nf6 49.Ke2 (49.Ra8 Ke7+–) 49...Kd5 50.Rh6 Ke6 51.Kd3 Kf7 52.Kd4 Kg7 (52...Ng4 53.Rh5 Ke6+–) 53.Rf6 Kf6 54.Kd5 Ke7 55.Ke5 Kd7 56.Kd5 (56.Kf5!? Kd6+–) 56...Kc8?? (56...Ke7 57.e4 fe4 58.Ke4+–) 57.Ke5 (57.Ke6 Kb7 58.Kf5 Kb6+–) 57...Kb7?? (57...Kd7 58.Kf5 Kd6+–) 58.Kf5+– Kb6 59.Ke4 (better is 59.Ke5 Kb5 60.f5+–) 59...Kb5 60.f5 c5 (60...Kc6 61.Kf3+–) 61.Kd3 (61.f6!? Ka4+–) 61...Kb4 (61...Kc6+–) 62.f6 Kb3 63.Kd2 Kb2 64.f7 c4 65.f8Q c3 66.Kd3 c2 (66...Kc1 67.Kc3 Kb1 68.Qf2 Kc1 69.Qc2) 67.Qc8 1–0. Zylla,Johannes – Krohn, BS–MK Kreisliga, 1992.

10.ed4 c6

11.a3 d5 12.cd5 cd5 (12...Nd5 13.Nd5 cd5 14.Re1 a5 15.Qb3 ab4=) 13.Re1 Re8 14.Rc1 a5 15.ba5 ba5=.

11.a4 d5 12.c5 (12.Qb3 A) 12...Re8 13.Rfe1 Ne4 14.cd5 cd5 15.Rac1 Rc8+=; B) 12...Rc8 13.Rfe1 dc4 14.Bc4 Nd5 15.Nd5 cd5+=; C) 12...Nh5 13.cd5 cd5 14.Bc1 Re8 15.Nd5 Nhf6+/–; D) 12...a5 13.b5 cb5 14.Nb5 Rc8 15.Rac1 Re8+=; E) 12...Ne4 13.cd5 Nc3 14.Bc3 cd5 15.Rfe1 Re8+=; F) 12...Kh8 13.Ne5 a5 14.b5 Ne5 15.de5 Ne4+=; G) 12...dc4 13.Bc4 Ne8= (13...Rc8 14.Ne5 Qe8 15.Rad1 Rd8+=) 14.Ne5 Nd6 15.Bd3 Rc8+=; H) 12...c5 13.bc5 dc4 14.Qb5 a6 15.Qc4 bc5=; 12.b5 Bd6 (12...Rc8 13.cd5 cd5 14.Re1 Ne4 15.Qb3 Ndf6=; 12...a6 13.Re1 ab5 14.cb5 Re8 15.bc6 Bc6=; 12...Re8 13.bc6 Bc6 14.Ne5 Bb7 15.a5 ba5=; 12...cb5 13.ab5 dc4 14.Bc4 Qc7 15.Ra4 Bd6=; 12...Qc7 13.cd5 cd5 14.Qd2 Ne4 15.Qe3 Rfe8=; 12...Ne4 13.a5 ba5 14.c5 Bf6 15.Ra3 Re8=) 13.a5 a6 14.bc6 Bc6 15.Qd3 Re8=) 12...Re8 (12...a5 13.b5 bc5 (13...cb5 14.Nb5 bc5 15.dc5 Bc5+=) 14.dc5 Bc5 15.Rb1+= Rb8–/+) 13.Re1 (13.a5 bc5 14.dc5 Rb8+= 15.Rb1 Qc8+=) 13...Qc7 (13...a5!? 14.Ba3 ab4 15.Bb4 bc5 16.dc5 Bc5–/+) 14.h3 (14.a5 bc5 15.dc5 Rab8+=) 14...a5= 15.b5 (better is 15.cb6!? Qb6 16.b5=) 15...bc5–/+ 16.dc5 Bc5 17.bc6 Bc6 18.Bb5 Rab8 19.Re8 Ne8 (19...Re8 20.Nd4 Bb5 21.ab5–/+) 20.Nd5+= Bd5 (better is 20...Qa7!? 21.Bc6 Rb2+= (21...Bf2? 22.Kh1+–)) 21.Qd5= Ndf6 22.Bf6 (22.Qe5 Qb6 23.Qe2 Nc7=) 22...Nf6 23.Qc6 ½–½. Woschkat,Karl_Heinz – Ullmann,Gregory, corr, 1984.

11.Qa4 A) 11...Re8 A1) 12.Rfe1 a6 (12...a5 13.b5 Rc8 14.bc6 Bc6 15.Qb3 d5+=) 13.Rac1 d5 14.cd5 cd5 15.Bd3 b5=; A2) 12.Rfc1 Nf8 (12...a6 13.Re1 d5 14.cd5 cd5 15.Bd3 Rc8=; 12...c5 13.d5 a6 14.a3 b5 15.cb5 Nd5+=; 12...a5 13.b5 Rc8 14.bc6 Bc6 15.Qb3 Ne4=; 12...d5 13.cd5 cd5 14.b5 a5 15.Bd3 Rc8=; 12...Nh5 13.d5 c5 14.a3 Nf4 15.Rc2 Bf6=) 13.b5 cb5 14.Qb5 a6 15.Qb4 d5=; A3) 12.Rfb1 Nf8 (12...a5 13.b5 Rc8 14.bc6 Bc6 15.Qb3 d5=; 12...a6 13.Re1 d5 14.cd5 cd5 15.Bd3 Rc8=; 12...d5 13.cd5 cd5 14.Re1 a5 15.b5 Ne4=; 12...c5 13.d5 cb4 14.Qb4 Nc5 15.Re1 Bc8=; 12...Qc7 13.Re1 a5 14.b5 d5 15.cd5 cd5=; 12...Qb8 13.Re1 a6 14.d5 cd5 15.cd5 Qa7+=; 12...Nh5 13.Bd3 Nf4 14.Bf5 g6 15.d5 b5=) 13.Re1 Ne6 14.Rad1 Nf4 15.Rd2 Qd7=; A4) 12.Rab1 Qc7 (12...d5 13.cd5 cd5 14.b5 a6 15.Qb3 a5=; 12...a6 13.Rfe1 d5 14.cd5 cd5 15.Bd3 Rc8=; 12...Nf8 13.Rfe1 Ne6 14.Bc1 a5 15.Qb3 c5=; 12...a5 13.b5 Rc8 14.bc6 Bc6 15.Qb3 d5+=) 13.Rfe1 a5 14.b5 d5 15.Rbc1 cb5=; A5) 12.Rac1 a5 13.b5 Rc8 14.Rfe1 d5 15.cd5 Nd5=; B) 11...d5 12.b5 (12.cd5 Nd5 13.Nd5 cd5 14.Rfe1 a5 15.ba5 Ra5=) 12...cb5 13.cb5 a6 14.Qb3 a5 15.Rfe1 Rc8=; C) 11...Qc7 C1) 12.Bd3 Rfe8 (12...a6 13.Rfe1 Rfe8 14.Re2 c5 15.Rae1 Bf3=; 12...Rae8 13.Rae1 a6 14.Re3 b5 15.Qb3 bc4=; 12...a5 13.b5 Rae8 14.Qc2 d5 15.bc6 Bc6+=; 12...d5 13.Rfe1 Rfe8 14.cd5 a6 15.Rac1 Qd6+=; 12...Qd8 13.Rfe1 a5 14.b5 cb5 15.Qb5 d5+=) 13.Rfe1 a6 14.a3 b5 15.Qb3 bc4=; C2) 12.Rac1 Rae8 (12...Nh5 13.Rc2 a5 14.b5 Rae8 15.bc6 Bc6+=; 12...a6 13.Rfe1 Rfe8 14.d5 Ne5 15.Nd4 c5=; 12...Rfc8 13.Rfe1 Re8 14.d5 a5 15.b5 Nc5+=; 12...Rac8 13.Rfe1 Rfe8 14.d5 a6 15.dc6 Bc6+=; 12...a5 13.b5 Rfe8 14.Rfe1 Rac8 15.bc6 Bc6+=; 12...Qc8 13.Rfe1 Re8 14.d5 a5 15.b5 Nc5+=; 12...Rfe8 13.Rfe1 a6 14.d5 Ne5 15.Nd4 c5=; 12...Qd8 13.Rfe1 Re8 14.b5 Qc7 15.Qc2 a6+=; 12...c5 13.Rfe1 Rfe8 14.a3 a6 15.d5 Ne5+=) 13.b5 a6 14.Rfe1 ab5 15.cb5 c5=; C3) 12.Rfe1 Rfe8 (12...a6 13.Nh4 b5 14.Qc2 Rfe8 15.Nf5 Bf8+=) 13.Bd3 a6 14.a3 b5 15.Qb3 bc4=; C4) 12.a3 Rfe8 (12...a5 13.b5 d5 14.Rac1 dc4 15.Rfe1 cb5+=; 12...d5 13.cd5 a5 14.dc6 ab4 15.Qb3 Qc6+=) 13.Rfe1 a5 14.b5 d5 15.Rac1 cb5+=; D) 11...a6 D1) 12.Rac1 b5 (12...Re8 13.Rfe1 d5 14.cd5 cd5 15.Bd3 b5=; 12...d5 13.cd5 cd5 14.Rfe1 Re8 15.Bd3 b5=) 13.Qb3 bc4 14.Bc4 Rb8 15.a3 a5=; D2) 12.Rfe1 Re8 (12...d5 13.cd5 cd5 14.Rac1 Re8 15.Bd3 b5=; 12...b5 13.Qb3 bc4 14.Bc4 c5 15.Bf7 Rf7+=) 13.a3 d5 14.cd5 cd5 15.Bd3 a5=; D3) 12.a3 d5 13.cd5 cd5 14.Rfe1 Re8 15.Rac1 Bd6=; D4) 12.Rfc1 b5 (12...d5 13.cd5 Nd5 14.Nd5 cd5 15.Ne5 Ne5=; 12...Re8 13.Re1 d5 14.cd5 cd5 15.Bd3 Rc8=; 12...Rb8 13.a3 Re8 14.Re1 d5 15.cd5 b5=) 13.Qb3 bc4 14.Bc4 Rb8 15.Na4 a5=; D5) 12.Bc1 b5 (12...d5 13.cd5 Nd5 14.Nd5 cd5 15.Bf4 Re8=) 13.Qb3 bc4 14.Bc4 Nb6 15.Be2 Re8=; D6) 12.Rab1 Re8 (12...d5 13.cd5 Nd5 14.Nd5 cd5 15.Rfe1 Re8=; 12...b5 13.Qb3 bc4 14.Qc4 Nb6 15.Qd3 Nfd5=; 12...Rb8 13.Rfe1 b5 14.Qb3 bc4 15.Qc4 d5=) 13.Rfe1 d5 14.cd5 cd5 15.Bd3 Rc8=; D7) 12.Rfb1 b5 (12...d5 13.cd5 cd5 14.Re1 Re8 15.Bd3 Rc8=; 12...Re8 13.Re1 d5 14.cd5 cd5 15.Bd3 Rc8=; 12...Rb8 13.a3 Re8 14.Re1 d5 15.cd5 cd5=) 13.Qb3 bc4 14.Bc4 Nb6 15.Bd3 c5=; D8) 12.Rad1 d5 (12...Re8 13.Rfe1 d5 14.cd5 cd5 15.Rc1 Bd6=; 12...b5 13.Qb3 bc4 14.Bc4 c5 15.dc5 Bf3=) 13.cd5 Nd5 14.Nd5 cd5 15.Rfe1 Re8=; D9) 12.Bd3 b5 13.cb5 ab5 14.Qc2 Re8 15.Rfe1 Nb6=; D10) 12.Rae1 Re8 13.Bd3 d5 14.cd5 b5 15.Qb3 Nd5=; E) 11...c5 12.bc5 dc5 (12...bc5 13.d5 Nb6 14.Qc2 Re8 15.Rfe1 Ba6+=) 13.d5 Re8 14.Rfe1 Bd6 15.Rad1 a6+=; F) 11...a5 12.b5 cb5 (12...Rc8 13.bc6 Bc6 14.Qb3 Re8 15.Rae1 d5+=) 13.Qb5 d5 14.cd5 a4 15.Ne5 Ra5=.

11.Qb3 A) 11...Re8 A1) 12.Rac1 a5 (12...Nh5 13.Rfe1 Nf4 14.Rc2 c5 15.bc5 Bf6=; 12...c5 13.Rfe1 a5 14.b5 Ra7 15.d5 Ne5+=; 12...d5 13.cd5 Nd5 14.Nd5 cd5 15.b5 Bd6=; 12...a6 13.Rfe1 d5 14.cd5 Nd5 15.Nd5 cd5+=; 12...Ng4 13.d5 Bf6 14.dc6 Bc6 15.Qd1 Nh6+=) 13.b5 cb5 14.Qb5 d5 15.Qb3 Bb4=; A2) 12.Rae1 Rb8 (12...a6 13.d5 cd5 14.cd5 Rc8 15.Bd3 Rc7=; 12...Qc7 13.Bd3 a5 14.b5 d5 15.bc6 Qc6+/–; 12...d5 13.b5 cb5 14.cb5 Qc7 15.Bd3 Bd6+=; 12...Qc8 13.b5 Qc7 14.bc6 Bc6 15.Nb5 Bb5+=) 13.b5 a6 14.bc6 Bc6 15.Qc2 b5=; A3) 12.a4 a5 (12...c5 13.d5 cb4 14.Qb4 a5 15.Qa3 Nc5+=; 12...Nh5 13.Bc1 Nhf6 14.Re1 c5 15.a5 cb4+=; 12...Qb8 13.Rfe1 d5 14.b5 Qc7 15.bc6 Qc6+=; 12...d5 13.Rfe1 Ne4 14.cd5 cd5 15.Bd3 Ndf6+=; 12...Rc8 13.a5 d5 14.ab6 ab6 15.Ra7 Rc7+=) 13.b5 cb5 14.Nb5 d5 15.Bd3 Rc8+=; A4) 12.Rad1 a5 13.b5 cb5 14.Qb5 d5 15.Ne5 Ba6=; A5) 12.Rfe1 d5 (12...Qc7 13.Bd3 d5 14.cd5 cd5 15.Nb5 Qf4+=) 13.b5 cb5 14.cb5 Bd6 15.Bd3 Qc7+=; B) 11...a6 B1) 12.Rac1 Nh5 (12...Re8 13.Rfe1 d5 14.cd5 Nd5 15.Nd5 cd5+=; 12...d5 13.Rfe1 Re8 14.cd5 Nd5 15.Nd5 cd5+=; 12...Rc8 13.Rfe1 Re8 14.a3 Qc7 15.Bd3 c5+=; 12...Qc7 13.Rfe1 Rfe8 14.d5 Ne5 15.Ne5 de5+=) 13.Rce1 Re8 14.Bc1 Nhf6 15.Bf4 d5+=; B2) 12.Rfe1 Re8 (12...d5 13.a4 dc4 14.Bc4 Nd5 15.b5 Nc3+=; 12...Qc7 13.d5 Rae8 14.dc6 Qc6 15.Rad1 Qc7+=) 13.a4 c5 14.bc5 dc5 15.d5 Bd6+=; B3) 12.d5 cd5 13.cd5 a5 14.a3 Re8 15.Rfe1 Ra7+=; C) 11...Qc7 C1) 12.Rfe1 d5 (12...Rfe8 13.d5 a5 14.a3 Ne5 15.Nd4 cd5+=; 12...Rae8 13.Bd3 a6 14.Re2 c5 15.bc5 dc5+=; 12...a6 13.Bd3 Rfe8 14.Re3 c5 15.Rae1 cd4+=) 13.cd5 Nd5 14.Nd5 cd5 15.b5 Qd6+=; C2) 12.Bd3 d5 (12...Rfe8 13.Rfe1 d5 14.cd5 cd5 15.Rac1 Qf4+=; 12...a6 13.Rfe1 Rfe8 14.Re3 c5 15.Rae1 cd4+=; 12...Rae8 13.Rfe1 a6 14.Re2 c5 15.bc5 dc5+=) 13.cd5 cd5 14.Rac1 Qd6 15.a3 a6+=; C3) 12.a3 a5 (12...a6 13.Rfe1 Rfe8 14.Rac1 c5 15.d5 Bc8+=; 12...Rfe8 13.Rfe1 d5 14.cd5 cd5 15.Rac1 Qf4+=; 12...Rae8 13.Rfe1 d5 14.cd5 Nd5 15.Nd5 cd5+/–; 12...d5 13.cd5 cd5 14.Rfe1 Rfe8 15.Rac1 Qf4+=; 12...Rad8 13.Rfe1 Rfe8 14.d5 a5 15.Nd4 Nb8+/–) 13.Rfe1 ab4 14.ab4 d5 15.cd5 Ra1=; C4) 12.d5 a5 13.a3 cd5 14.cd5 Ne5 15.Rfc1 Qd7+=; C5) 12.Rae1 Rfe8 (12...d5 13.cd5 cd5 14.Bd3 Qd6 15.Nb5 Qb4+=; 12...Rae8 13.Bd3 a6 14.Re3 c5 15.Rfe1 Bf3+=) 13.Bd3 d5 14.cd5 cd5 15.Nb5 Qb8+=; C6) 12.Rac1 c5 (12...Nh5 13.Rfe1 Rfe8 14.d5 Bf6 15.dc6 Qc6+=; 12...a6 13.Rfe1 Rfe8 14.Bd3 Rad8 15.a3 c5+=; 12...Rac8 13.Rfe1 Rce8 14.Bd3 a6 15.a3 Nh5+=; 12...Rfe8 13.Rfe1 Nh5 14.Rc2 Bf6 15.Bc1 g6+=; 12...Rae8 13.Rfe1 Nh5 14.Rc2 a6 15.d5 Bf6+=) 13.Rfe1 Rfe8 14.a3 a6 15.d5 Ne5+=; D) 11...d5 D1) 12.Rfe1 dc4 (12...a5 13.ba5 Ra5 14.cd5 Nd5 15.Nd5 Rd5+=; 12...Re8 13.b5 cb5 14.cb5 Bd6 15.Bd3 Qc7+=; 12...Rc8 13.cd5 Nd5 14.Nd5 cd5 15.b5 Re8+=) 13.Bc4 b5 14.Bd3 a5 15.ba5 Ra5=; D2) 12.Rae1 dc4 13.Bc4 b5 14.Bd3 a5 15.ba5 b4=; D3) 12.Ne5 Re8 (12...a6 13.Rfe1 Re8 14.Bf3 Nf8 15.Rad1 Rc8+=) 13.Rae1 Bd6 14.f4 a6 15.Bf3 Be7+=; D4) 12.cd5 Nd5 (12...cd5 13.Rfe1 Re8 14.b5 Rc8 15.Rac1 Bd6+=) 13.Nd5 cd5 14.Rfe1 Re8 15.b5 Bd6+=; E) 11...a5 E1) 12.b5 cb5 (12...Re8 13.Rfe1 cb5 14.Qb5 d5 15.cd5 Bb4=) 13.Qb5 d5 14.cd5 a4 15.Ne5 Ra5=; E2) 12.a3 Re8 13.Rfe1 d5 14.cd5 cd5 15.ba5 Ra5=.

11.b5 A) 11...d5 A1) 12.Re1 Rc8 (12...Bd6 13.Qa4 cb5 14.cb5 Ne4 15.Rac1 Re8=; 12...Ne4 13.Rc1 Re8 14.cd5 cd5 15.Bd3 Bd6+=; 12...Re8 13.bc6 Bc6 14.Qb3 Rc8 15.Bd3 a6+=; 12...cb5 13.cb5 Re8 14.Rc1 a5 15.Bd3 Rc8=; 12...Nb8 13.Ne5 a6 14.a4 ab5 15.ab5 Ra1+=; 12...Bb4 13.Qa4 c5 14.Rad1 Ne4 15.Qc2 Rc8+=) 13.cd5 cb5 14.Nb5 Nd5 15.Na7 Ra8=; A2) 12.Qa4 cb5 13.cb5 a6 14.Qb3 a5 15.Rfe1 Re8=; A3) 12.Rc1 Rc8 (12...Re8 13.Re1 cb5 14.cb5 a5 15.Bd3 Rc8=; 12...Bd6 13.Qa4 cb5 14.cb5 Re8 15.Rfe1 Ne4=; 12...cb5 13.cb5 a5 14.Re1 Rc8 15.Ne5 Re8=; 12...a6 13.bc6 Bc6 14.Ne5 Bb7 15.Qb3 Rc8+=; 12...Ne4 13.Re1 Nc3 14.Bc3 Rc8 15.Qa4 dc4+=) 13.Qa4 dc4 14.Qa7 Qc7 15.bc6 Qc6=; A4) 12.bc6 Bc6 13.Ne5 Bb7 14.Bf3 Bd6 15.Nd5 Nd5+=; B) 11...Re8 12.d5 (12.bc6 Bc6 13.Re1 Bb7 14.Bd3 d5 15.Rc1 Bd6=) 12...cb5 (12...cd5 13.cd5 Qc7 14.Qd2 Ne5 15.Rac1 a6+=) 13.cb5 Rc8 14.Rc1 Ne5 15.Re1 Qd7+=; C) 11...cb5 12.cb5 Nd5 (12...Re8 13.Re1 Nd5 14.Qb3 Nc3 15.Bc3 Nf6=; 12...Rc8 13.Rc1 Re8 14.Qb3 Nf8 15.Rfe1 Ne6+=; 12...a6 13.d5 ab5 14.Bb5 Rc8 15.Rc1 Re8+=; 12...a5 13.d5 Rc8 14.Rc1 Re8 15.Re1 Ne5+=) 13.Re1 Re8 14.Qb3 Nc3 15.Bc3 Nf6=.

11.d5 cd5 12.cd5 a5 (12...Re8 13.Re1 a6 14.b5 ab5 15.Bb5 Ra5+=; 12...Ne5 13.Re1 a5 14.b5 Rc8 15.Qd4 Re8+=; 12...Rc8 13.Re1 Ne5 14.Rc1 a6 15.b5 ab5+=) 13.b5 Rc8 14.Rc1 Re8 15.Re1 Ne5+=.

11.Re1 d5 12.b5 Rc8 (12...Bd6 13.Qa4 cb5 14.cb5 Ne4 15.Rac1 Re8=; 12...Ne4 13.Rc1 Re8 14.cd5 cd5 15.Bd3 Bd6+=; 12...Re8 13.bc6 Bc6 14.Qb3 Rc8 15.Bd3 a6+=; 12...cb5 13.cb5 Re8 14.Rc1 a5 15.Bd3 Rc8=; 12...Nb8 13.Ne5 a6 14.a4 ab5 15.ab5 Ra1+=; 12...Bb4 13.Qa4 c5 14.Rad1 Ne4 15.Qc2 Rc8+=) 13.cd5 cb5 14.Nb5 Nd5 15.Na7 Ra8=.

9.d4 e4

10.Nd2 d5

11.a3 c6 12.c5 (12.f3 a5 13.fe4 ab4 14.ab4 Ra1 15.Qa1 Bb4+=) 12...b5 (12...a5!?=) 13.a4+= a6 14.Qb3 h6 15.ab5 (15.f3 ef3 16.Rf3 Qc7+=) 15...cb5 (15...ab5 16.Ra8 Qa8 17.f3 ef3 18.Bf3+=) 16.Rfc1 (16.f3 Nb8+/–) 16...Bc6 (16...Qc7 17.Qc2+=) 17.Ra3 Qc7 18.Rca1 Qb7 19.Qd1 Ra7 20.Nb3 Rfa8 (better is 20...Raa8!?+/–) 21.Na5+– Qc8 22.Qf1 (22.Nc6 Qc6 23.Bb5 Qb7+–) 22...Qc7? (better is 22...Nb8!?+/–) 23.Nc6+– Qc6 24.Bb5! Qc8? (24...Qb5 25.Nb5) 25.Ra6 (25.Ba6 Qc6+–) 25...Ra6 26.Ra6 Rb8 (26...Ra6 27.Ba6 Qc7 28.Qb5+–) 27.Qa1 (27.Ra7!? Ra8 28.Nd5 Bf8+–) 27...Kh7 (27...Nf8 28.Ra7 Ng6 29.Ba6+–) 28.h3 (28.Ra7 Bd8+–) 28...Nf8 29.Ra4 (29.Ra7 Ng6+–) 29...Ne6 30.Be2 g5 (30...Bd8 31.b5 Qd7 32.Ra6+–) 31.Qd1 (31.Ra7 Qd8+–) 31...Nf8 (31...Bf8 32.b5+–) 32.b5 Ng6 33.b6 (33.f3 ef3 34.Bf3 Kg7+–) 33...Kg7 34.Ra7 Bc5 (34...Qe6+–) 35.Rc7 (35.dc5 Kg8 36.Nd5 Nd5 37.Qd5 Qe6+–) 35...Qd8 (35...Bb6 36.Rc8 Rc8 37.Qb3+–) 36.Rc5 (better is 36.dc5 Ne7 37.Re7 Qe7 38.Nd5 Qc5 39.Bd4+–) 36...Rb6 37.Rb5 Rc6 (37...Rb5 38.Bb5 Qc8 39.Qe2+–) 38.Qb3 Qd7 (38...Ne7 39.Ba3+–) 39.Rb7 (39.Nd5!? Nd5 40.Rd5 Qe6+–) 39...Qd8 (39...Qe6+–) 40.Rb5 (40.f3 ef3 41.Bf3 Rc8+–) 40...Ne7?? (40...Qd7 41.Nd5 Nd5 42.Rd5 Qe6+–) 41.Ba3+– Nfg8 (41...Rc7 42.Bf1+–) 42.Bc5 (42.Nd5!? Nd5 43.Rd5 Qc7+–) 42...Ra6 43.Qb2 (43.f3 f5+–) 43...Qa8 (43...Ra8 44.f3 Nf6 45.fe4 de4 46.Ne4 Ne4 47.Be7 Qe7 48.Re5+–) 44.Kh2 (44.Rb7 Re6+–) 44...Ra1 (44...Qd8 45.Rb7 Rf6 46.Bg4+–) 45.Nb1 (better is 45.Rb7 Ng6 46.Bg4+–) 45...Ra2 46.Qc1?? (better is 46.Qb4 Re2 47.Be7 Rf2 48.Na3+–) 46...Re2+= 47.Rb2 (better is 47.Kg1 Qa1 48.Rb7+=) 47...Qa6? (better is 47...Rb2 48.Qb2 Nc6+=) 48.Qf1+– Rb2 49.Qa6 Rb1 50.Be7 (better is 50.Qa7!? Ng6 51.Qa2+–) 50...Ne7+/– 51.Qd6 Rb7 52.Qg3 (better is 52.g4+/–) 52...Rb5? (better is 52...Kg6+/–) 53.Qe5+– Kf8 54.Qd6 Ke8 55.Qh6 (55.Qh6 g4 56.hg4+–) 1–0. Lentner,Gerwald (1690) – Ilten,Fritz, Wattens op, 1996.

11.a3 c6 12.c5 b5 13.Qc2 Ne8 (13...a5 14.f3 ef3 15.Bf3=) 14.f3 f5 15.fe4 fe4 16.Rf8 Nf8 17.Rf1 Bg5 18.Nd1 Bc8 19.Bc1 (19.a4 Nc7=) 19...Nf6= 20.Nb3 Ng6 21.Qc3 (21.a4 ba4 22.Na5 Qc7=) 21...Qc7+= 22.Nf2 Be6 23.Bd2 Rf8 24.Qa1 h5 (24...Ne7 25.a4 ba4 26.Qa4=) 25.Na5 Nh4 26.Qd1 g6 27.a4 a6 28.ab5 ab5 29.Nh1 Nf5 30.Qc1 Nh6 31.Qe1 (31.Nf2 Bg4 32.Ng4 Nfg4 33.Rf8 Kf8+=) 31...h4 (31...Nhg4 32.Bg4 Ng4 33.Rf8 Kf8 34.Ng3–/+) 32.Qf2 (32.Nf2!?+=) 32...Rf7–/+ 33.Qe1 Nfg4 (33...Nhg4 34.Bg4 Ng4 35.Rf4–+) 34.Bg4 Ng4 (34...Bg4?! 35.Rf7 Nf7 36.Nf2+=) 35.g3 Rf1 (35...Rh7!? 36.h3 hg3 37.Qg3 Qg3 38.Ng3 Rh3 39.Nh1–+) 36.Qf1 hg3 37.Ng3 Be3 (better is 37...Ne3 38.Qf2 Ng4–+) 38.Be3= Ne3 39.Qf6 Qd7?? (better is 39...Qf7 40.Qf7 Kf7 41.Nc6 Nc2=) 40.Qg6+– Kf8 41.Qh6 Ke7 42.Qe3 Kd8 43.Qg5 (43.Qf4 Kc8 44.Qf8 Qd8 45.Qd8 Kd8 46.Nc6 Kc7+–) 43...Kc7 (43...Kc8 44.Qf6+–) 44.Qe5 Kc8 45.Qd6 (better is 45.Qh8 Qd8 46.Qd8 Kd8 47.Nc6 Kc7+–) 45...Qd6 46.cd6 Kd7 47.Nf1 (better is 47.Nb7!? e3+–) 47...Kd6 48.Ne3 Bd7 49.Kf2 Ke6 (49...Be8 50.Ng4+–) 50.Kg3 Kf6 51.h4 Kg6 (51...Be8 52.Kf4+–) 52.Nb7 (52.Ng4!? Kg7+–) 52...Kh6 (52...Kh5+–) 53.Ng4 (53.Ng4 Kg7 54.Ne5+–) 1–0. Vaast,Jean Philippe – Carbonnier,R (1750), Champs sur Marne op, 2005.

11.b5 dc4 12.Bc4 Rc8 +=.

11.Qb3 c6

12.a3 A) 12...a5 A1) 13.f3 ef3 (13...ab4 14.ab4 ef3 15.Ra8 Qa8 16.Bf3 Re8+=; 13...dc4 14.Nc4 ef3 15.Bf3 ab4 16.ab4 Ra1+=) 14.Bf3 dc4 15.Nc4 ab4 16.ab4 Ra1+=; A2) 13.Rfc1 Nb8 (13...ab4 14.ab4 Ra1 15.Ra1 Qc7 16.b5 Bd6+=; 13...Re8 14.ba5 Ra5 15.cd5 cd5 16.Nb5 Bc8+=; 13...Bd6 14.ba5 Ra5 15.cd5 cd5 16.Nb5 Be7+=; 13...Rb8 14.b5 Rc8 15.bc6 dc4 16.Bc4 Bc6+=; 13...Qb8 14.b5 dc4 15.Bc4 cb5 16.Nb5 a4+=; 13...h6 14.b5 Rc8 15.cd5 cd5 16.Rc2 Bd6=; 13...Qe8 14.b5 cb5 15.Nb5 a4 16.Qd1 Qb8+=) 14.b5 cb5 15.Qb5 a4 16.c5 Nfd7=; A3) 13.cd5 cd5 14.Rfc1 ab4 15.ab4 Ra1 16.Ra1 Qb8=; A4) 13.b5 dc4 (13...Rc8 14.Rac1 dc4 15.Bc4 Bd6 16.Nce4 Ne4+=; 13...a4 14.Qc2 cb5 15.cb5 Qb8 16.Na4 Bd6+=) 14.Bc4 cb5 15.Bb5 Bd6 16.Rfd1 Qe7+=; B) 12...Re8 13.f3 Bd6 (13...ef3 14.Bf3 dc4 15.Nc4 Qb8 16.e4 c5+=; 13...a5 14.fe4 ab4 15.ab4 Ra1 16.Ba1 Ne4+/–) 14.fe4 de4 15.c5 Bc7 16.Qc2 a5+=; C) 12...Bd6 C1) 13.Rac1 Rc8 (13...Qe7 14.cd5 cd5 15.Nb5 Ba6 16.Qa4 Bb5=; 13...Qb8 14.h3 Bh2 15.Kh1 Bd6 16.cd5 cd5+=) 14.cd5 cd5 15.Nb5 Bb8 16.Rc8 Bc8=; C2) 13.Rfc1 Rc8 (13...Qb8 14.h3 Bh2 15.Kh1 Bd6 16.b5 dc4+=; 13...Qe7 14.cd5 cd5 15.Nb5 a6 16.Nd6 Qd6+=; 13...Re8 14.cd5 cd5 15.Nb5 Bb8 16.Rc2 a6=; 13...Bb8 14.cd5 cd5 15.Rc2 Qe7 16.Rac1 Qd6+=; 13...a5 14.ba5 Ra5 15.cd5 cd5 16.Nb5 Be7+=; 13...h6 14.cd5 cd5 15.Nb5 Bb8 16.Rc2 a6=; 13...Kh8 14.cd5 cd5 15.Nb5 Bb8 16.Rc2 a6=; 13...a6 14.c5 Bc7 15.cb6 Nb6 16.Qc2 a5=) 14.Qa4 Bb8 15.cd5 cd5 16.b5 Qc7=; C3) 13.c5 Bb8 (13...Bc7 14.Qc2 Qe7 15.f3 ef3 16.Rf3 Ng4=) 14.f3 ef3 15.Bf3 Re8 16.e4 Bf4=; C4) 13.cd5 cd5 14.Nb5 Bb8 15.Rac1 a6 16.Nc3 Qe7=; C5) 13.Rad1 Re8 (13...Qb8 14.h3 a6 15.c5 Bh2 16.Kh1 Bc7+=; 13...Qc7 14.h3 Bh2 15.Kh1 Bd6 16.cd5 cd5+=; 13...a5 14.b5 Qc7 15.bc6 a4 16.Qa2 Bc6+/–; 13...Qe7 14.Rc1 Rfd8 15.cd5 cd5 16.Nb5 Ba6=; 13...Rc8 14.f3 ef3 15.Bf3 Qc7 16.h3 Rfe8=; 13...Rb8 14.cd5 cd5 15.Nb5 Ba6 16.Rc1 Bb5+=) 14.Rc1 Rc8 15.Rfd1 Bb8 16.Qc2 Qe7=.

12.Ba3 a6 A) 13.Rac1 b5 (13...Re8 14.cd5 cd5 15.b5 Ba3 16.Qa3 ab5=; 13...Ra7 14.cd5 cd5 15.b5 Ba3 16.Qa3 Qa8=) 14.cd5 cd5 15.f3 Bd6 16.Bb2 ef3=; B) 13.cd5 cd5 14.Rac1 b5 15.f3 Bd6 16.Bb2 ef3+=; C) 13.Rfc1 b5 14.cd5 cd5 15.Rc2 Rc8 16.Bc1 Nb6=; D) 13.f3 ef3 14.Bf3 dc4 15.Qc4 a5 16.Qb3 ab4=; E) 13.Rab1 b5 (13...Qc7 14.Rfc1 Qd6 15.c5 Qe6 16.cb6 Nb6+=; 13...Re8 14.cd5 cd5 15.b5 Ba3 16.Qa3 ab5=; 13...Ra7 14.cd5 cd5 15.b5 Ba3 16.Qa3 Qa8=) 14.cd5 cd5 15.f3 Nb6 16.fe4 de4=; F) 13.Rfd1 b5 (13...Rc8 14.cd5 cd5 15.b5 ab5 16.Rdc1 Bc6=; 13...Re8 14.Rac1 b5 15.cd5 cd5 16.Bb2 Nb6=) 14.cd5 cd5 15.Rac1 Bd6 16.f3 Qe7+=; G) 13.Bb2 Bd6 (13...Re8 14.f3 ef3 15.Bf3 Nf8 16.a3 Ne6=; 13...a5 14.a3 ab4 15.ab4 Qc7 16.cd5 Ra1=; 13...Qb8 14.a3 Bd6 15.h3 Bh2 16.Kh1 Bc7=; 13...Qc7 14.Rac1 Qd6 15.a3 Qe6 16.Rc2 a5=; 13...Qe8 14.a4 Qb8 15.a5 ba5 16.ba5 Bd6+=; 13...Rc8 14.f3 ef3 15.Bf3 dc4 16.Nc4 Re8+=; 13...Ra7 14.f3 ef3 15.Bf3 dc4 16.Nc4 Nd5+=; 13...Rb8 14.Rac1 dc4 15.Bc4 a5 16.Nce4 ab4+=; 13...b5 14.c5 Qc7 15.a4 Rfe8 16.Ra3 Reb8+=) 14.c5 Bc7 15.Rfc1 a5 16.ba5 bc5=.

12.a4 a5 13.b5 Re8? (better is 13...Qc7+= 14.bc6 dc4 15.Qc4 Qc6 16.Qc6 Bc6+/–; 13...Rc8 14.Rac1 dc4 15.Bc4 c5 16.d5 Ne5+=; 13...dc4 14.Bc4 Rc8 15.Rfd1 Bb4 16.Ba3 Ba3+=; 13...cb5 14.Nb5 Rc8 15.Rac1 dc4 16.Bc4 Ng4+=; 13...Bb4 14.bc6 dc4 15.Bc4 Bc6 16.Rac1 Rc8+=) 14.bc6+– Bc6 15.cd5 (15.Nd5?! Bd5 16.cd5 Bb4+/–) 15...Bb7 16.Bc4 (16.Nde4 Bd5 17.Nf6 Nf6 18.Nd5 Qd5 19.Qd5 (19.Qb6 Reb8 20.Qc7 Rb2–/+) 19...Nd5 20.Bc4+–) 16...Bb4+/– 17.Ba3 (17.Rac1!?+/–) 17...Bc3= 18.Qc3 Nd5 19.Qb3 N7f6 20.Rab1 Qc7 (20...Bc6 21.Bd5 Qd5 22.Nc4=) 21.Rfc1+= Qd8 22.Bb5 Re6 23.Nc4 Rc8 (23...Bc6 24.Ne5 Bb5 25.Qb5=) 24.Ne5+= Rc1 25.Rc1 h5 26.h3 g5 (26...h4 27.Qb2+/–) 27.Nc6 (27.Be2 Kg7+/–) 27...Bc6 28.Rc6 Rc6 29.Bc6 Kg7 30.Qb5 Kg6 31.Qa6 (31.Bd5 Nd5 32.Qc6 Kg7+/–) 31...g4+= 32.Qa8 (32.hg4 hg4 33.Qe2 g3=) 32...Qc7?? (better is 32...Qa8 33.Ba8 gh3 34.gh3 Kf5=) 33.Bd5+– 1–0. Kulbacki,James – Proszkow,T, Detroit East op, 1983.

12.a4 a6 A) 13.f3 ef3 (13...a5 14.cd5 cd5 15.fe4 Ne4 16.Nde4 de4+=; 13...dc4 14.Bc4 ef3 15.Nf3 a5 16.b5 cb5+=) 14.Bf3 Bd6 15.Rae1 Qc7 16.g3 dc4=; B) 13.a5 b5 14.cb5 cb5 15.Rac1 Bd6 16.Rc2 Qe7=; C) 13.Rac1 Qb8 (13...Rc8 14.f3 ef3 15.Bf3 dc4 16.Nc4 Nd5+=; 13...Bd6 14.b5 ab5 15.ab5 dc4 16.Nc4 Bb8+=; 13...Qe8 14.cd5 cd5 15.b5 ab5 16.Nb5 Qb8+=; 13...Re8 14.cd5 cd5 15.f3 Bd6 16.fe4 de4=; 13...Rb8 14.cd5 cd5 15.b5 ab5 16.Bb5 Rc8+=) 14.f3 ef3 15.Bf3 Bd6 16.cd5 Bh2=; D) 13.Ba3 Bd6 (13...Re8 14.cd5 cd5 15.Rfc1 Qb8 16.b5 Bd6+=; 13...Qb8 14.a5 b5 15.c5 Qc7 16.f3 ef3+=; 13...Qc7 14.Rfc1 dc4 15.Bc4 Bd6 16.Nde4 Bh2+=; 13...Rc8 14.b5 dc4 15.Nc4 ab5 16.ab5 c5+=; 13...Qe8 14.Rfc1 Qb8 15.b5 dc4 16.Bc4 Ba3+=; 13...dc4 14.Bc4 Bd6 15.Be6 Qc7 16.Bd7 Nd7+=) 14.c5 Bb8 15.cb6 Qb6 16.Rfb1 Re8=; E) 13.Rfc1 Bd6 (13...Qb8 14.b5 dc4 15.Bc4 cb5 16.ab5 a5+=) 14.b5 ab5 15.ab5 Ra1 16.Ra1 Qc7+=; F) 13.cd5 cd5 14.b5 ab5 15.Bb5 Ra5 16.Rfc1 Qb8+=; G) 13.Rfd1 Qc7 (13...Bd6 14.b5 ab5 15.ab5 Ra1 16.Ra1 Qc7+=; 13...Qb8 14.b5 cb5 15.ab5 dc4 16.Bc4 a5+=) 14.Rac1 Qd6 15.b5 dc4 16.Nc4 Qe6=; H) 13.Rab1 Re8 (13...Qc7 14.Rfc1 Qb8 15.b5 dc4 16.Bc4 ab5=; 13...Bd6 14.c5 Bc7 15.f3 ef3 16.Rf3 bc5=; 13...Rc8 14.a5 b5 15.c5 Qc7 16.f3 ef3+=; 13...Qe8 14.Rfc1 Qb8 15.h3 Qd6 16.b5 ab5=; 13...Ra7 14.f3 ef3 15.Bf3 dc4 16.Nc4 Nd5+=; 13...Qb8 14.a5 b5 15.c5 Bd8 16.f3 ef3+=; 13...Rb8 14.Rfc1 dc4 15.Bc4 c5 16.b5 cd4+=; 13...Kh8 14.f3 ef3 15.Bf3 dc4 16.Nc4 Nd5+=) 14.b5 ab5 15.ab5 c5 16.Nd5 Nd5=; I) 13.Rfb1 Bd6 (13...Qc7 14.Rc1 Qd6 15.Ba3 Qe6 16.cd5 cd5=; 13...Rc8 14.b5 dc4 15.Bc4 cb5 16.ab5 a5+=) 14.c5 Bb8 15.cb6 Qb6 16.Ba3 Re8=; J) 13.b5 dc4 (13...cb5 14.ab5 ab5 15.Ra8 Ba8 16.Nb5 Bc6+=; 13...ab5 14.ab5 Qc7 15.bc6 dc4 16.Bc4 Bc6+=; 13...Nb8 14.bc6 Nc6 15.cd5 Na5 16.Qc2 Bd5+=) 14.Bc4 cb5 15.ab5 a5 16.Rfd1 Qc7+=.

12.a4 Qb8 A) 13.Rfc1 Bd6 (13...a6 14.b5 dc4 15.Bc4 cb5 16.ab5 a5+=) 14.h3 a6 15.b5 dc4 16.Bc4 ab5+=; B) 13.Rac1 a6 (13...Bd6 14.h3 a6 15.c5 bc5 16.bc5 Bc7=; 13...Qd6 14.b5 dc4 15.Qc4 cb5 16.Nb5 Qb8+=; 13...Re8 14.b5 cb5 15.ab5 Bd6 16.h3 a5+=) 14.f3 ef3 15.Bf3 Bd6 16.cd5 Bh2=; C) 13.Rfd1 Bd6 (13...a6 14.b5 dc4 15.Bc4 cb5 16.ab5 a5+=; 13...Rc8 14.b5 Bd6 15.h3 cb5 16.ab5 dc4+/–; 13...Re8 14.b5 cb5 15.ab5 a5 16.ba6 Ba6+=) 14.h3 a6 15.b5 dc4 16.Nc4 Bh2+=; D) 13.Rfb1 a6 (13...Bd6 14.h3 a5 15.b5 dc4 16.Nc4 Bh2+=; 13...Qd6 14.Ba3 Qe6 15.a5 ba5 16.b5 a4+=; 13...Bd8 14.b5 dc4 15.Bc4 c5 16.d5 Ng4+=; 13...h6 14.a5 Bd6 15.cd5 Nd5 16.h3 N7f6+/–) 14.a5 b5 15.c5 Bd8 16.h3 Bc8=; E) 13.b5 cb5 (13...dc4 14.Bc4 Bd6 15.h3 cb5 16.ab5 Bh2+=) 14.ab5 dc4 15.Nc4 a6 16.Rfd1 ab5+=.

12.a4 Rc8 A) 13.Rfc1 Ba8 (13...Bd6 14.a5 Bb8 15.a6 Ba8 16.cd5 cd5+=; 13...Nb8 14.a5 Ba6 15.ab6 ab6 16.b5 dc4+/–; 13...a6 14.b5 ab5 15.ab5 dc4 16.Bc4 c5+=; 13...Rc7 14.a5 Ba8 15.ab6 ab6 16.Ra2 Bb7+=; 13...Re8 14.a5 Ba8 15.ab6 ab6 16.Ra7 Bd6+/–; 13...Kh8 14.b5 Kg8 15.bc6 dc4 16.Bc4 Rc6+=) 14.cd5 cd5 15.Ba3 Re8 16.Ba6 Rc7+=; B) 13.f3 dc4 (13...ef3 14.Bf3 dc4 15.Nc4 Nd5 16.Ba3 Ba6+=) 14.Nc4 ef3 15.Bf3 Nd5 16.Ba3 Ba6+=; C) 13.Rac1 Bd6 (13...a6 14.f3 ef3 15.Bf3 dc4 16.Nc4 Nd5+=; 13...Qe8 14.b5 dc4 15.Bc4 Bd6 16.bc6 Bc6+=; 13...Rc7 14.f3 ef3 15.Bf3 Nb8 16.Rcd1 dc4+=) 14.cd5 cd5 15.Nb5 Bb8 16.Rc8 Bc8=; D) 13.Kh1 Ba6 (13...Rb8 14.Rac1 a6 15.b5 dc4 16.Bc4 cb5+=; 13...a6 14.a5 b5 15.c5 Qc7 16.f3 ef3+=; 13...Qc7 14.a5 Ba8 15.Rfc1 ba5 16.Ra5 Rb8+=; 13...Ba8 14.Rac1 a5 15.ba5 ba5 16.Ba3 Re8+=; 13...Re8 14.a5 Ba8 15.ab6 ab6 16.Ra7 c5+=) 14.a5 dc4 15.Bc4 Bc4 16.Qc4 Re8+=; E) 13.a5 Rb8 (13...Qc7 14.Rfc1 Qb8 15.c5 bc5 16.bc5 Qc7+=; 13...Re8 14.Rfc1 ba5 15.Ra5 Ra8 16.cd5 cd5+=; 13...Ba8 14.ab6 ab6 15.Ra7 Rc7 16.Ra3 Bb7+=) 14.ab6 ab6 15.Ra7 Qc7 16.Rfa1 Ra8+=.

12.a4 Bd6 A) 13.Rac1 Rc8 (13...a6 14.b5 ab5 15.ab5 dc4 16.Nc4 Bb8+=; 13...Qb8 14.h3 Rc8 15.b5 cb5 16.Nb5 Be7+=; 13...Qe7 14.b5 Qe6 15.Ba3 Ba3 16.Qa3 c5=; 13...Re8 14.b5 cb5 15.Nb5 Bb8 16.Ba3 Bc6+=; 13...Bb8 14.Ba3 a6 15.cd5 cd5 16.b5 Re8+=) 14.cd5 cd5 15.Nb5 Bb8 16.Rc8 Bc8=; B) 13.b5 dc4 (13...Qc7 14.h3 dc4 15.Nc4 Be7 16.Nd2 c5+=) 14.Nc4 Bb8 15.f4 ef3 16.Bf3 cb5+=; C) 13.Rfc1 Qb8 (13...a6 14.b5 ab5 15.ab5 Ra1 16.Ra1 Qc7+=; 13...a5 14.ba5 Ra5 15.c5 Bb8 16.cb6 Nb6+/–; 13...dc4 14.Nc4 Bb8 15.f4 ef3 16.Bf3 Re8+=; 13...Bb8 14.b5 dc4 15.Bc4 c5 16.Nd5 Bd6+=) 14.h3 a6 15.b5 dc4 16.Bc4 ab5+=; D) 13.cd5 cd5 14.Nb5 Bb8 15.f3 a6 16.Nc3 ef3=; E) 13.c5 Bc7 (13...Bb8 14.a5 Qc7 15.g3 bc5 16.bc5 Re8=) 14.Rac1 Qe7 15.Qc2 Bc8 16.Nd1 bc5=; F) 13.Rfb1 a6 (13...Qc7 14.h3 Bh2 15.Kh1 Bd6 16.a5 ba5+=; 13...Qb8 14.h3 a6 15.b5 dc4 16.Bc4 cb5+=; 13...Qe7 14.b5 dc4 15.Nc4 Qe6 16.a5 cb5=; 13...Re8 14.b5 dc4 15.Bc4 Re7 16.bc6 Bc6+=; 13...Rb8 14.a5 Qc7 15.a6 Bh2 16.Kh1 dc4+=; 13...Rc8 14.a5 Qc7 15.h3 Rfd8 16.b5 c5+=; 13...Bb8 14.a5 Qc7 15.g3 a6 16.ab6 Qb6+=; 13...h6 14.a5 ba5 15.Ra5 Qb8 16.h3 Bh2+=; 13...dc4 14.Nc4 Bb8 15.f4 ef3 16.Bf3 Re8+=) 14.c5 Bb8 15.cb6 Qb6 16.Ba3 Re8=; G) 13.Rfd1 Rc8 (13...a6 14.b5 ab5 15.ab5 Ra1 16.Ra1 Qc7+=; 13...Qb8 14.h3 a6 15.b5 dc4 16.Nc4 Bh2+=; 13...a5 14.b5 dc4 15.Nc4 Be7 16.bc6 Bc6+/–; 13...Re8 14.b5 Bb8 15.bc6 Qc7 16.g3 Qc6+=; 13...Qc7 14.h3 a6 15.Rdc1 Qd8 16.b5 dc4+=; 13...Rb8 14.Rac1 Rc8 15.b5 dc4 16.Nc4 Bb8+=; 13...h6 14.Rdc1 Qb8 15.h3 a6 16.b5 dc4+=; 13...Qe7 14.b5 Qe6 15.bc6 Bc6 16.Nb5 Bb8=; 13...Kh8 14.b5 Qc7 15.bc6 dc4 16.Qc4 Bc6+/–) 14.c5 Bc7 15.cb6 Nb6 16.a5 Qd6=; H) 13.a5 ba5 14.Ra5 Qb8 15.h3 Bc8 16.c5 Bh2+=.

12.Rab1 A) 12...a5 A1) 13.ba5 Ra5 14.f3 ef3 15.Rf3 Re8 16.cd5 cd5=; A2) 13.cd5 ab4 (13...cd5 14.Ba3 ab4 15.Bb4 Bb4 16.Qb4 Ba6=) 14.Nce4 Nd5 15.Bf3 Re8 16.Nc4 Ba6=; A3) 13.Ba3 ab4 (13...dc4 14.Nc4 ab4 15.Bb4 Bb4 16.Qb4 Nd5=; 13...a4 14.Qc2 Qb8 15.c5 Rc8 16.f3 ef3+=; 13...Bb4 14.Bb4 ab4 15.Qb4 Ba6 16.Rfc1 Qe8=; 13...Qc7 14.Rfc1 dc4 15.Bc4 ab4 16.Bb4 Qd8+=) 14.Bb4 Ba6 15.Be7 Qe7 16.f3 dc4=; A4) 13.b5 cb5 (13...Rc8 14.bc6 dc4 15.Bc4 Bc6 16.Rfd1 Bb4+=; 13...dc4 14.Bc4 cb5 15.Bb5 Rc8 16.Rfc1 Bd6+=; 13...a4 14.Na4 dc4 15.Bc4 cb5 16.Qb5 Ne8+=; 13...Bb4 14.bc6 Bc6 15.cd5 Bc3 16.dc6 Bd2+/–) 14.Nb5 a4 15.Qc2 Bc6 16.Bc3 Qb8+=; B) 12...Bd6 B1) 13.Rbc1 Rc8 (13...a6 14.c5 Be7 15.cb6 Qb6 16.Ba3 Rab8=; 13...Qb8 14.h3 a6 15.c5 Bh2 16.Kh1 Bc7=; 13...Qe7 14.b5 dc4 15.Nc4 Bb4 16.Rfd1 cb5+=; 13...a5 14.b5 Qb8 15.h3 cb5 16.Qb5 a4=; 13...h6 14.b5 dc4 15.Nc4 Be7 16.Ne5 cb5+/–; 13...Re8 14.b5 cb5 15.Nb5 Bb8 16.Ba3 Bc6+=) 14.b5 dc4 15.Nc4 Bb8 16.Ba3 c5=; B2) 13.Rfc1 a6 (13...Qe7 14.b5 Qe6 15.bc6 Bc6 16.cd5 Bd5+=; 13...Rc8 14.b5 dc4 15.Nc4 Bb8 16.bc6 Rc6=; 13...Qb8 14.h3 a6 15.c5 bc5 16.bc5 Bh2=; 13...Re8 14.b5 dc4 15.Nc4 Bb8 16.Ba3 cb5=; 13...dc4 14.Nc4 Bb8 15.Nd2 Qe7 16.Bd1 Ba6+=; 13...Bb8 14.cd5 cd5 15.b5 Bd6 16.Ba3 Qe7+=) 14.c5 Bc7 15.Qc2 b5 16.a4 Qb8=; B3) 13.b5 Qc7 (13...cb5 14.Nb5 Be7 15.Ba3 dc4 16.Bc4 Ba6+=; 13...dc4 14.Nc4 Be7 15.bc6 Bc6 16.Rfd1 Rc8+=) 14.bc6 dc4 15.Qc4 Qc6 16.Qc6 Bc6+=; C) 12...Qc7 C1) 13.Rfc1 Qd6 (13...Qb8 14.a3 a6 15.Rc2 Bd6 16.h3 dc4=; 13...Qd8 14.cd5 cd5 15.b5 Bd6 16.Ba3 Qe7+=) 14.b5 dc4 15.Nc4 Qe6 16.bc6 Bc6=; C2) 13.cd5 cd5 14.Nb5 Qb8 15.Rbc1 a6 16.Nc7 Ra7=; C3) 13.Rbc1 Qb8 (13...Qd6 14.b5 dc4 15.Nc4 Qe6 16.bc6 Bc6+=) 14.b5 dc4 15.Nc4 cb5 16.Qb5 a6=.

12.Rac1 a6 13.f3 b5 14.cd5 cd5 15.a4 a5 16.Nb5 ab4 =.

12.Rfc1 a6 13.cd5 cd5 14.b5 ab5 15.Nb5 Qb8 16.a4 Rc8 +=.

12.Rfd1 a6 13.a4 Qc7 14.Rac1 Qd6 15.b5 dc4 16.Nc4 Qe6 =.

12.cd5 cd5 13.Rac1 a6 14.b5 ab5 15.Nb5 Ba6 16.Rc3 Qb8= 17.Rfc1 =.

12.f3 ef3 13.Bf3 a6 14.cd5 Nd5 15.Nd5 cd5 16.Rac1 Nf6 =.

8.Nc3 e4

9.Nd4 c5 10.bc5 dc5 11.Nf5 Qd7 12.Ne7 Qe7 13.Qc2 Rd8 14.f3 Na6 15.a3 Rd6 16.Rad1 Nc7 17.fe4 Ne4 18.Bf3 Re8 19.Ne2 Red8 20.d4 cd4 21.Nd4 g6 22.Ne2 Rd1 23.Rd1 Rd1 24.Qd1 Ne6 25.Nd4 N6c5 26.Ne2 Qd7 27.Qd7 Nd7 28.Nc3 Ndc5 29.Nd5 Kf8 30.Nf6 Nf6 31.Bf6 Bf3 32.gf3 Ke8 33.Kf2 Kd7 34.Bd4 Kd6 35.Ke2 f5 36.h4 Ne6 37.f4 h6 38.Kf3 g5 39.fg5 hg5 40.hg5 Ng5 41.Kf4 Ne4 42.Kf5 Nd2 43.e4 Nc4 44.Bc3 a5 45.e5 Ke7 46.a4 Na3 47.Bd4 Nc4 48.e6 Nd6 49.Ke5 Nc8 50.Kd5 Ke8 51.Kc6 Ke7 52.Bb6 Ke6 53.Ba5 Ne7 54.Kb7 Nd5 55.Be1 Kd6 56.a5 Kc5 57.a6 1–0. purplegadge (1680) – lukagracia (1615), gameknot.com, 2014.

9.Nd4 d5 A) 10.a3 c5 (10...dc4 11.Bc4 c5 12.Nf5 cb4 13.ab4= Bb4=) 11.bc5 bc5 12.Nf5 d4 13.ed4 cd4=; B) 10.Qb3 dc4 (10...Bb4 11.Nd5 Nd5 12.cd5 a5 13.Bc4= Nd7=; 10...c5 11.Nf5 dc4 12.Bc4 Na6 13.b5 Nc7+=) 11.Bc4 Bb4 12.Qb4 c5 13.Qa3 cd4=; C) 10.b5 c5 (10...dc4 11.Bc4 a6 12.a4 Bc5 13.Nb3= Bd6=) 11.Nf5 d4 12.ed4 cd4 13.Na4 d3=.

9.Ne1 d5 10.a3 c5 (10...a5 11.b5 dc4 12.Bc4 Nbd7 13.d3 ed3+=; 10...dc4 11.Bc4 a6 12.f3 b5 13.Bb3= ef3=; 10...a6 11.cd5 Nd5 12.d3 c5 13.Nd5 Bd5=; 10...Re8 11.cd5 Nd5 12.Bc4 Bf6 13.Qb3 Bc3=; 10...c6 11.cd5 cd5 12.d3 Nbd7 13.Rc1 a5=) 11.bc5 Bc5 12.f3 dc4 13.Bc4 ef3 =.

9.Ne1 c5

10.a3 cb4 11.ab4 d5 12.b5 dc4 13.Bc4 Qc7 14.d3 Bd6=.

10.a3 Nbd7 11.d3 (11.Qb3 Re8 (11...a5 12.f3 d5 13.ba5 ef3 14.Nf3 dc4=) 12.d3 Ne5 13.bc5 ed3 14.Nd3 Nd3=) 11...a5 (11...d5 12.cd5 Nd5 13.de4 Nc3 14.Bc3 Be4=) 12.bc5 (12.Ne4 Ne4 13.de4 Be4 14.ba5 Ra5=) 12...dc5 (12...Nc5 13.de4 Nce4 14.Ne4 Ne4=) 13.Nb5 (13.Qc2 Re8 14.de4 Bd6+/–) 13...Qb8 (13...Re8 14.de4 Ne4+=) 14.f4 (14.f3 ed3=) 14...Rd8 (14...Qc8=) 15.Qa4 Qc8 16.d4 cd4 17.ed4 Re8 18.Nc2 Bc6 19.Ne3 Bb5 20.cb5 Qb7 21.Bc4 Bd6 22.Qb3 Nf8 23.Nf5 Rad8 (better is 23...Bb8!? 24.d5 Qc8 25.Nh6 gh6 26.Bf6 Ng6+/–) 24.Qg3+– (24.Nd6?! Rd6 25.Qg3 Qd7=) 24...g6 25.Nh6 Kg7 26.Nf7 Rd7 27.Nd6 Rd6 28.f5 Qd7 (28...Qe7 29.Rae1 Rc8 30.Bb3+–) 29.fg6 Ng6 30.Rac1 Qd8 31.Rf5 Nd5 (31...e3+–) 32.Bd5 Rd5 33.Rd5 (33.Rc7 Rd7 34.d5 Kg8 35.Rc6+–) 33...Qd5 34.Qc7 Re7 35.Qb6 Qa2 36.Bc3 Qa3 37.d5 Kg8 38.Bd2 Qd3 39.Qf6 Rf7 40.Rc8 Nf8 41.Qg5 Rg7 42.Qf4 Qd4 43.Qf2 Qa1 44.Be1 Rf7 45.Qg3 Rg7 46.Qe3 Qb1 47.b6 a4 48.Ra8 Rf7 49.h3 Qb3?? (49...Rb7 50.Ra4 Qb6 51.Re4 Qe3 52.Re3 Rb1+–) 50.Bc3 Rf6 51.Qg3 Rg6 52.Qf2 (52.Qf2 Qd1 53.Kh2+–) 1–0. Buss,Michael – Jefferson,George, USCF87CA183 Indianapolis, 2003.

10.b5 a6 11.ba6 Na6 12.d3 Re8 13.Qb1= ed3 =.

10.b5 d5 11.cd5 a6 12.Qc2 Bd5 13.d3 ed3+=.

10.Nc2 Na6 11.b5 Nc7 12.d3 d5 13.cd5 Nfd5 14.Nd5 Bd5 =.

10.Nc2 cb4 11.Nb4 a5 12.Nbd5 Nd5 13.Nd5+= Bd5 +=.

10.Nc2 Nc6 11.b5 Ne5 12.d4 ed3 13.Bd3 a6 =.

10.Nc2 d5 11.bc5 Bc5 12.cd5 Nd5 13.Ne4 Ne3 14.fe3 Be4 +=.

10.Nc2 Qd7 11.f3 d5 12.Nd5 Nd5 13.cd5 Bd5 =.

10.Nc2 Nbd7 A) 11.d3 d5 (11...ed3 12.Bd3 Ne5 13.a3 Nd3 14.Qd3 d5=) 12.Nd5 Nd5 13.cd5 Bd5 14.de4 Be4=; B) 11.b5 a6 12.d3 ab5 13.Nb5 d5 14.cd5 Bd5=; C) 11.d4 cb4 12.Nb4 Rc8 13.Qb3 a5 14.Nbd5 Nd5+=.

10.bc5 dc5 11.f3 Qd6 12.fe4 Ne4 13.Ne4 Be4 14.Bf3 Bf3 =.

10.bc5 dc5 11.f3 ef3 12.Bf3 Bf3 13.Qf3= Qd2 =.

10.bc5 dc5 11.f3 ef3 12.Bf3 Bf3 13.Nf3 Nc6 14.Qa4 Nb4 =.

10.d3 cb4 11.Ne4 Ne4 12.de4 Bf6 13.Bf6= Qf6 =.

8.d3 Nbd7

9.a3 a6 10.Nbd2 Rb8 11.Nh4 g6 12.f4 Ne8 13.Nhf3 ef4 14.ef4 Bf6 15.Bf6 Qf6 16.Ng5 Ng7 17.Nde4 Qd4 18.Kh1 Be4 (18...f5!? 19.Nf3 Qe3–/+) 19.de4= Qd1 20.Rad1 f6 21.Nf3 Rbe8 22.Bd3 a5 23.Ra1 (23.c5 ab4 24.cd6 ba3+/–) 23...f5= 24.Nd2 Nf6 25.Rae1 fe4 26.Ne4 Ne4 27.Be4 Nf5 28.g3 h5 29.Rf3 (29.Bc6!? Re7 30.Kg1+=) 29...Rf7 30.Kg2? (better is 30.ba5 ba5 31.Rff1=) 30...Kg7–+ 31.Rd3 Rfe7 32.Kf3 c5 33.bc5 dc5 34.Bf5 Re1 (34...gf5 35.Rb1 Re6 36.Rd7 Kg8 37.Rb3+=) 35.Bh3 Rc1 36.Rb3 Rc4 37.Bd7 a4 38.Rb6 Re7 39.Bc6 Rc3 40.Kg2 (40.Kf2 Ra3 41.Ra6 Ra2 42.Kf3 Rh2–+) 40...Ra3 41.Rb2 (41.Ra6–+) 41...Rb3 42.Rc2 (42.Ra2 a3 43.Kh3 Ra7–+) 42...a3 43.Rc5 a2 (43...a2 44.Ra5 Rb2 45.Kh3 Kh6–+) 0–1. Souza,Kim Garcia De (1770) – Duarte,Carolina Tavares (1855), Championship Paranaense Women de Xadrez, 2016.

9.a4 a5 10.b5 Ng4 (10...Re8 11.Nbd2=) 11.h3 (11.d4 Bf6+=) 11...Nh6 12.Nbd2 f5 13.Nh2 (13.Qb3 Nc5 14.Qc2 f4=) 13...Qe8 (13...Bf6 14.d4=) 14.Bf3 (14.Bh5 Qc8=) 14...Bf3 15.Qf3 Nc5 16.Qd5 Qf7 17.Qf7 (17.Ra3 Rae8=) 17...Nf7 18.d4 (18.Ra3 Rae8=) 18...Nd3 19.Bc3 ed4 (19...e4 20.Rad1=) 20.ed4 (20.Bd4 Nfe5=) 20...Bf6 (20...Rae8 21.Ndf3=) 21.Ndf3 (21.Nhf3 Rfe8=) 21...Rfe8 (21...Rae8 22.Rad1 Nf4 23.Kh1+=) 22.Rad1 (22.g3 Re4=) 22...Nf4+= 23.Ba1 (23.Kh1 Re2+=) 23...Re2 24.d5 (24.Nd2 Rae8+=) 24...Ba1–/+ 25.Ra1 Rc2 26.Nd4 Rc4 27.Nf5 Nd5 28.Rfd1 (28.Rfc1!? Nc3 29.Rc2 Ra4 30.Ra4 Na4 31.Rc7–/+) 28...Nc3–+ 29.Ne3 Ra4 30.Ra4 Na4 31.Nd5 Ra7 32.Re1 (32.Nf3 Nc5 33.Nd4 Ne5–+) 32...Kf8 (32...Ne5 33.Ng4 Ng4 34.hg4–+) 33.Nf3 Nc5 34.Nd4 Nd8 (34...Ne5 35.f4 Ned3 36.Re7–+) 35.Re7 (35.Re3!?–/+) 35...a4–+ 36.Rc7 (36.Nf5 a3 37.Nd6 g6 (37...cd6? 38.Ra7 Nde6 39.Ra3+–) 38.Re8 Kg7 39.Re7 Kh6–+) 36...Rc7 37.Nc7 a3 38.Nc2 a2 39.Na1 Nde6 40.Nd5 Na4 41.Nb4 (41.Kf1 Nd4–+) 41...Nc3 42.Kf1 Nd4 (42...g5!? 43.Ke1 Nf4 44.Kd2 Nb5 45.g4–+) 43.Ke1 Ndb5 44.Kd2 Ke7 45.Kd3 (45.Kc2 Ke6–+) 45...Ke6 46.Kc4 Ke5 (46...d5!? 47.Kb3–+) 47.Na2 d5 48.Kb3 (48.Kb4 d4–+) 48...Na2 (48...Nd1 49.Ka4 Nd6 50.f3–+) 49.Ka2 Nd4 (49...Nc3 50.Kb3 Nd1 51.f3–+) 50.Kb2 b5 51.Kc3 Ke4 52.Kd2 (52.h4 h5–+) 52...b4 53.f3 (53.Kc1 Kd3 54.Kb2 g5–+) 53...Kf4 54.Kd3 b3 55.Kd4 (55.Kc3 Kg3 56.h4 Kg2 57.Kb2–+) 55...b2 (55...b2 56.Nb3 b1Q–+) 0–1. Valles Calvo,Luciano – Barry Bertomeu,Enrique (2045), VLC CS–chT Preferente, 2003.

9.a4 c5 10.bc5 bc5 11.Nc3=.

9.Nbd2 d5 10.Qc2 (10.b5 e4 11.de4 de4=) 10...Bb4 11.cd5 Bd5 12.Ne5 Ne5 13.Be5 Bd2 1–0. GuestNHXY – GuestGSVS, freechess.org, 2017.

9.Nbd2 h6 10.a3 Nh7 11.Qc2 Ndf6 12.e4 c6 13.Rfc1 Rc8 14.Qb3 d5 (14...Re8 15.d4 ed4 16.Nd4+= (worse is 16.Bd4 c5 17.bc5 dc5+=)) 15.cd5 (15.Be5!? Nd7 16.Bb2+–) 15...cd5+/– 16.Rc8 Qc8 17.Rc1 Qb8 (17...Qa8!?+/–) 18.Be5+– de4?? (18...Qa8 19.ed5 Bd5 20.Qc3+/–) 19.Ne4 (better is 19.Bb8 ef3 20.Bf3 Rb8 21.Rc7 Bf3 22.Nf3+–) 19...Qd8 20.Nf6 Nf6 21.d4 Bd5 22.Bc4 Bf3 (22...b5 23.Bd5 Nd5 24.Ne1+/–) 23.gf3 (23.Qf3 a5 24.b5 Qd7+–) 23...Nd7 24.Bg3 (24.Bc7 Qc8 25.Qa4 a5+–) 24...Kh8 25.Rd1 Nf6 26.d5 (26.Bf7!? a5+/–) 26...Bd6 27.Bd6 Qd6 28.Qe3 Re8 29.Qd4 Nh5 30.Qg4 Nf4 31.Bb5 f5 (31...Re5!? 32.Qf4 Re1 33.Re1 Qf4+=) 32.Qf5+= Rf8 33.Qd7 (33.Qe4 Nh3 34.Kg2 Ng5+/–) 33...Qe5 (33...Qg6 34.Qg4 Nh3 35.Kg2=) 34.Bf1+= (34.Qa7 Qg5 35.Kf1 Qg2 36.Ke1 Qg1 37.Kd2 Qf2 38.Kc1 Rc8 39.Bc6 Nd5 40.Rd5 Rc6 41.Rc5 Re6 (worse is 41...bc5 42.Qa8 Kh7 43.Qc6+/–) 42.Rc8 Kh7–+) 34...h5? (34...Ne2!? 35.Kh1 Nc3+=) 35.Qa7 (better is 35.d6!?+–) 35...Qg5 36.Kh1 Qf5? (better is 36...Nd5 37.Qd7 Nc3+/–) 37.d6?? (37.Qe7 Kg8 38.Qe4 Qd7+–) 37...Ne6?? (37...Nh3 38.Rd2 Rc8–/+ (38...Qf3 39.Bg2 Nf2 40.Rf2 Qf2 41.h3–+)) 38.Qb6?? (better is 38.Bg2+–) 38...Qf3–+ 39.Bg2 (39.Kg1 Qd1 40.Qe3–+) 39...Qg4 (39...Qd1 40.Bf1 Qf1) 40.Rg1+– Nf4 41.Qe3 (better is 41.Bc6!? Qe6 42.Qc7 Rg8+–) 41...Nd5?? (41...Ng2 42.Rg2 Qd1 43.Rg1 Qd5 44.f3 Rf3+–) 42.Bd5 (42.Bd5 Qf4 43.Qf4 Rf4 44.d7+–) 1–0. Fournier,Frederic (1940) – luismenof (1670), Active, 2004.

9.Nfd2 Rb8 10.Nc3 h6 11.Bf3 Bf3 (11...c6 12.b5 cb5 13.Bb7 Rb7 14.cb5=) 12.Nf3 (worse is 12.gf3 c6+=) 12...c6 13.a3 Rc8 14.b5 (14.Rc1 Re8+=) 14...Nc5 (14...cb5 15.Nb5 a6 16.Nc3=) 15.Qc2 (15.d4 Ncd7+=) 15...cb5= 16.cb5 e4 (16...Ncd7 17.d4=) 17.Ne1 (17.de4 Nce4 18.Nd4 Qd7+/–) 17...ed3 (17...d5!?=) 18.Nd3+= Nce4 (18...Re8 19.Rfd1+=) 19.Nb4 Nc3 (19...Qd7 20.Nc6 Nc3 21.Bc3+=) 20.Bc3 Qd7 21.Qd3 Qe6 22.Nc6 Rc7 23.Bb4 (23.Rac1 Ne4+/–) 23...Nd5 (23...a5 24.Bc3+=) 24.Rac1 Nb4 25.Nb4 Rc1 (25...Rc5!?+=) 26.Rc1+/– Rc8 27.Nc6 (27.Rc8 Qc8 28.Nc6 Qc7+/–) 27...Rc7 (27...Bf6 28.e4+/–) 28.g3 (28.Rd1 Rd7+/–) 28...Qd7 (28...d5 29.Rd1+=) 29.Kg2 Kh8 30.Rd1 Bf8 31.a4 (31.e4 a6+/–) 31...Qe8 (31...Rc6 32.bc6 Qc6 33.Qd5+–) 32.e4 f6 (32...Rc8 33.Qd5+/–) 33.Qd5 Kh7 (33...g6 34.Rd4+/–) 34.f4 Kh8 35.Rd3 a6 36.Kf3 (36.Re3 Rc8+/–) 36...ab5 (36...Rc8 37.Rc3+/–) 37.ab5 (37.Qb5? Rc6 38.Rd4 Rc3 39.Kg2 Rc2 40.Kg1 Qc8–+) 37...Kh7 38.Ra3 Kh8 (38...Qc8 39.Kg2+/–) 39.Ra6+– White gets the initiative 39...f5 (39...Rb7 40.Kg2+–) 40.Qf5 (40.ef5 Qe1 41.Qd3 Qh1 42.Kg4 Kg8+–) 40...Rf7 (40...Rb7 41.Ra7 Ra7 42.Na7+–) 41.Qd5 (41.Ra8 Qa8 42.Qf7 Kh7+–) 41...Rf6 (41...Rb7 42.Ra7 Ra7 43.Na7+–) 42.Kg2 Re6 (42...Qg6 43.f5 Qh5 44.Nd4+– (44.Rb6?! Qe2 45.Kh3 Qh5 46.Kg2 Qe2 47.Kh3 Qh5 48.Kg2=)) 43.Ra4 (43.Rb6 Re4 44.Rb8 Re2 45.Kh3 Qd7 46.f5 Re8 47.Re8 Qe8+–) 43...g5 44.f5 Rf6 (44...Qh5 45.Qd3 Re8 46.Nb4+–) 45.Ra7 Qh5 46.Qd3 Rf7 (46...Bg7 47.Ra8 Kh7 48.Ne7+–) 47.Ra8 (47.Rf7 Qf7 48.Qd4 Kg8+–) 47...Kh7 48.Nd4 (48.e5 g4 49.ed6 Qf5 50.Qf5 Rf5+–) 48...g4 (48...Bg7 49.e5! de5 50.f6 Qg6 51.fg7 Rg7 (51...Qd3?? 52.g8Q) 52.Qg6 Rg6+–) 49.Ne6 Bg7 50.Ng7 (better is 50.Qd6 Rf5 51.ef5 Qf5 52.Qc6+–) 50...Rg7 51.f6 Rf7 (51...Rg8 52.e5 Kh8 53.Rg8 Kg8 54.Qd5 Kh7 55.Qb7 Kg6 56.Qg7 Kf5+–) 52.e5 (52.e5 Qg6 53.Rh8 Kh8 54.Qg6+–) 1–0. Lentner,Gerwald (1690) – Moser,Max, Wattens op, 1996.

9.Nfd2 d5 10.b5 =.

9.Nfd2 d5 10.cd5 Bd5 11.b5 Bd6 12.Nc4 Re8 Black plans e4 13.Nc3 Bb7 14.Bf3 e4 (14...Bf3!? 15.Qf3 a6+=) 15.de4 (15.Ne4 Ne4 16.Be4 Be4 17.de4 Be5 18.Ne5 Ne5 19.Be5 Re5 20.Qd8 Rd8+=) 15...Ne4 16.Ne4 Be4 17.Be4 Re4 18.Nd6 cd6 19.Qd6 Nc5 20.Qg3 g6 21.Bd4 Re6 22.Rfd1 Qe7 23.Rac1 Re8 24.Qf3 f5 25.Qd5 Qd7?? (25...Rd8 26.Qc4+–) 26.Qd7 (better is 26.Rc5 Qd5 27.Rd5+–) 26...Nd7 27.Rc7 R6e7 28.Ra7 Nc5 29.Re7 Re7 30.Bc5 bc5 31.Rc1 Ra7 32.Ra1 Kf7 33.a4 c4 34.Kf1 Ke6 35.Ke2 Kd5 36.Kd2 Ra5 37.Kc3 Kc5 38.h4 h5 39.f3 Ra8 40.e4 fe4 41.fe4 Re8 42.Rb1 Kb6 43.Kb4 Re4 44.a5 Kb7 45.Kc3 White intends b6 45...Rh4 46.b6 Re4 47.a6! Kb8 48.b7 Re8 49.Kc4 g5 50.Kb5 Ka7 51.Kc6 h4 52.Kc7 Rg8 53.b8Q Rb8 54.Rb8 Ka6 55.Rg8 Kb5 56.Rg5 Kc4 57.Rg4 Kd3 58.Kc6 Ke2 59.Kd5 Kf2 60.Kd4 Kg1 61.Ke3 Kh2 62.Kf2 h3 63.gh3 Kh3 64.Kf3 Kh2 65.Rg7 Kh1 66.Kf2 Kh2 67.Rh7 1–0. algernon (2275) – lazarjr (2415), net–chess.com, 2013.

8.d4 ed4

9.ed4 a5 10.b5 (10.ba5 Ra5 11.d5 (11.Bc3 Ra7 12.d5 c6 13.dc6 Nc6 14.Qc2 Re8 15.Re1 d5 16.Qb2 Ra4=) 11...c6 12.dc6 Nc6 13.Re1 d5 14.Nc3 dc4 15.Bc4 Rc5 16.Qe2 Re8=) 10...Nbd7 (10...d5 11.Nc3= (11.Re1 c6 12.Ba3 dc4 13.Bc4 Bb4 14.Bb4 ab4 15.bc6 Nc6 16.Qd3 Qd6+=) 11...c6 12.Re1 Re8 13.Rc1 cb5 14.cb5 Nbd7 15.Ne5 Bd6 16.f4 Nf8+=) 11.Nc3 (11.d5 Ne4 12.Nbd2 Bf6 13.Bf6 Nef6 14.Qc2 Nc5 15.Rae1 Qd7 16.Bd3 Nd3+=) 11...Ne8 (11...Re8 12.d5 (12.Re1= d5 13.Qb3 Bb4 14.Rac1 Ne4 15.Bd3 Bc3 16.Bc3 dc4+=) 12...Nc5 13.Re1 Nh5 14.Bd3 Nf4 15.Bc2 Qd7 16.Ne2 Qg4+=; 11...d5 12.Ne5 Ra7 13.Bf3 Nb8 14.Re1 Bb4 15.Rc1 Re8 16.a3 Bc3+/–) 12.Bd3 (12.d5 Nef6 13.Re1 Nc5 14.Na4 Nfe4 15.Bd3 Na4 16.Qa4 Nc5+=) 12...Bf6 (12...Nef6 13.d5+= Ne5 14.Re1 Nfd7 15.Ne5 Ne5 16.Bc2 Bh4+/–) 13.Re1+/– c6 (13...Rc8 14.Nd5 Bd5 15.cd5 g6 16.Qc2 Bg7+/–) 14.Be4 Rb8?? ( 14...Qc8+/– 15.bc6 Bc6 16.Bc2 Nc7+/–) 15.bc6+– (15.bc6 Ba8 16.Qd3+–; 15.Bc6?! Nc7+–) 1–0. pierre – soso2323, internet, 2008.

9.ed4 c5 10.b5 d5 11.Re1 Nbd7 12.Ne5 Ne5 (12...cd4 13.Bd4 Ne5 14.Be5 Bb4+=) 13.de5+= Ne4 14.cd5 Qd5 15.Qd5 Bd5 16.Bf3 (better is 16.f3 Ng5 17.Nc3+=) 16...f5 (better is 16...Rad8=) 17.ef6+/– Bf6 Black gets in control 18.Nd2?? (better is 18.Be4 Be4 19.Bf6 (19.Re4?? Bb2 20.Na3 Ba1–+) 19...Bb1 20.Be7+/– (worse is 20.Reb1 Rf6 21.a4 Kf7+=)) 18...Bb2–+ 19.Rad1? (19.Be4 Be4 20.Ne4 Ba1 21.Ra1 a6 22.ba6 Ra6–+) 19...Rf3 (better is 19...Nc3 20.Bd5 Nd5 21.Nf3–+) 20.Nf3 Nf6 21.Re7 (21.Ng5 c4 (21...Ba2?! 22.Re2=) 22.Ne6 c3–+) 21...Bf3 (21...Ba2?! 22.Re2 Bb3 23.Rb1=) 22.gf3 Bd4 23.a4 (23.Rb7 Nd5–+) 23...a6 (23...Nd5 24.Rb7–+) 24.Re6 (24.a5 Nd5 25.Rd7 ab5 26.Rd5 ba5 27.R1d4 cd4 28.Rb5 a4–+) 24...ab5 25.ab5 Rb8 26.Rde1 Nd5 27.Re8 (27.Rd6 Nc3 28.Ree6 Nb5 29.Rb6 Rb6 30.Rb6 Nc7–+) 27...Re8 28.Re8 Kf7 29.Rb8 Kf6 30.Kf1 Be5 31.Rb7 (31.Rf8 Ke7 32.Rh8 h6–+) 31...Bc7 (31...Bh2!? 32.Ke2–+) 32.h3 (32.h4 g5 33.hg5 Kg5–+) 32...Ke5 33.Ke2 (33.Ra7–+) 33...Nc3 34.Ke3 Nb5 35.f4 Kd6 36.Kd3 Ke6 (36...Kc6 37.Rc7 Nc7 38.f5–+) 37.Rc7 (37.h4 Kd6–+) 37...Nc7 (37...Nc7 38.Ke4 b5–+) 0–1. Dessing,Bastiaan – Prins,Bas, NED op U14 Netherlands, 2001.

9.ed4 c5 10.bc5 dc5 11.d5 b5 12.cb5 Qd5 13.Nc3 Qd8 14.Qc2 Nbd7 15.Rfd1 Qc7 16.a4 Ng4 17.Nd5 Bd5 18.Rd5 Bd6 19.Rad1 Bh2 20.Kf1 Rad8? (better is 20...Ngf6 21.Bf6 Nf6 22.Rc5 Qb8+/–) 21.Qd2+– Ngf6 (21...Nf2 22.Kf2 Nf6 23.Bf6 Rd5 24.Qd5 Bg3 25.Kg1 gf6+–) 22.Bf6 gf6 23.Rd7 Rd7 24.Qd7 Qd7 25.Rd7 Be5 (25...Bb8 26.Bc4+–) 26.Ne5 fe5 27.Bc4 1–0. Abreu Suarez,Isauro (1995) – Pozo Vinuesa,Ana, La Laguna ESP, Open, 2013.

9.ed4 c5 10.dc5 dc5 11.bc5 bc5 12.Nc3 Nc6 13.Ng5 h6 14.Nge4 Ne4 15.Ne4 Nd4 16.Ng3 Bf6 17.Bd4 cd4 18.Rb1 Ba6 19.c5 Be2 20.Qe2 Qa5 21.Rfc1 Rab8 22.Nh5 Bg5 23.Qe5 f6 24.Qe6 Kh8 25.Qe7 1–0. purplegadge (1685) – toxo (1605), gameknot.com, 2011.

9.ed4 Nc6 10.b5 Nb8 11.Nbd2 a6 12.a4 a5 13.Re1 Nbd7 14.Bd3 c5 15.d5 Re8 16.Qc2 Bf8 17.Ng5 g6 18.Nge4 Ne5 19.Nf6 Qf6 20.Ne4 Qf4 21.Bc1 Qh4?? 22.Bg5+– Qg4 23.Nf6 (23…Kh8 24.Ng4 Ng4 25.Rad1+–) 1–0. CountFromHolland – alos, playchess.de, 2003.

9.ed4 Nbd7 10.Nc3 Re8 11.Bd3 Bf8 12.a4 Ne4 13.Ne4 Be4+= 14.Be4 Re4 15.Qd3 Qe7 16.d5 Re8 17.Nd4 Nb8 18.Nf5 Qg5 19.Ng3 R4e7 20.f4 Qg4 21.h3 Qd7 22.Qd4 Na6 23.Bc3 Re3 24.Nh5 R8e4= 25.Qd2 Re2 26.Qd1+= R2e3 27.Bd4+/– Re2? 28.Ng3+– Rd4 29.Qd4 Re8 30.Qd2 c5 31.dc6! Qc7? 32.b5 Nc5 33.Qc3 Ne4 34.Ne4 Re4 35.Rae1 d5 36.cd5 Bc5 37.Kh1 h6 38.Re4 Bd6 39.Re8 Kh7 40.Qd3 g6 41.f5 (41.f5 a6 42.Qd4+–) 1–0. CountFromHolland – raichu, playchess.de, 2003.

9.ed4 Nbd7 10.Nc3 Re8 11.Re1 c5 (11...c6 12.d5+=) 12.Qb3 (12.a3 cb4 13.ab4 a5+=) 12...a5 13.bc5 dc5 14.d5 a4 (14...Bd6 15.Nb5 Bf4 16.a4+/–) 15.Na4 Nb8? ( 15...b5!? 16.Nc3 b4+/–) 16.Nb6+– Qd6? 17.Na8 (17.Na8 Ba8 18.Be5+–) 1–0. marre – oppo, internet, 2010.

9.ed4 Nbd7 10.d5 c6 11.dc6 Bc6 12.Nd4 Bb7 13.Nf5 d5 14.Ne7 Qe7 15.Bf3 (15.cd5 Bd5 16.b5 Qe4=) 15...Rfd8 16.Qa4 Ne5 17.Be5 Qe5 18.Na3 Qb8 19.Rfd1 d4 20.Bb7 Qb7 21.Rd3 Qe4 22.Rad1 Exerts pressure on the isolated pawn 22...Rd7 23.f3 Qh4 24.Qc6 (better is 24.g3!? Qh3 25.Rd4 Rd4 26.Rd4+=) 24...Re8+= The mate threat is Re1 25.g3 (better is 25.Rf1!?+=) 25...Qh3–+ 26.R3d2 (26.Rd4?? Rd4 27.Qe8 Ne8 28.Rd4 Kf8–+) 26...Rde7 Do you see the mate threat? 27.Rg2 d3! 28.Kf1 (28.Rd3 Theme: Deflection from e1 28...Re1) 28...Re2 29.f4 d2 (29...Ng4 30.Qe8 Re8 31.Rd3 Nh2 32.Kg1 Re1 33.Kf2 Rf1 34.Ke3 Rf3 35.Kd2 Qg2 36.Kc3 Rd3 37.Kd3 Qg3 38.Kd4 Qa3 39.f5 Nf3 40.Ke4 Nd2 41.Kd4 Qb4 42.Kd3–+) 30.Nc2 R8e4 (30...R8e4 31.Qa8 Ne8 32.Qe4 Re4–+) 0–1. Franke,Roland – Eck,W, corr DDR, 1985.

9.Bd4 Nc6 10.Bc3 Ne4 11.b5 Nc3 12.Nc3 Bf6?? ( 12...Ne5=) 13.bc6+– (13.bc6 Bc6 14.Nd4 Bd4 15.ed4+–) 1–0. Hasler,Ulrich – Eijkerem, corr ICCF III–839, 1990.

9.Nd4 a5 10.Bf3 Bf3 11.Qf3 Ra6 12.b5 Ra7 13.Nc3 Nfd7 14.Nd5 Ne5 15.Qh3 Nd3? (better is 15...Re8+=) 16.Ne7+– Qe7 17.Nf5 Qe6 (17...Qd7 18.Bg7 Qe6+–) 18.Qg4 g5 (18...Qg6 19.Ne7 Kh8 20.Ng6 fg6+–) 19.Qg5 Qg6 20.Nh6 (20.Ne7) 1–0. Fournier,Frederic (2255) – cervezof (1920), Active, 2007.

9.Nd4 a5 10.Bf3 Bf3 11.Qf3 Nbd7 +=.

9.Nd4+= c5 10.bc5 dc5= 11.Nf5 Qc7 12.Nc3 Qd7?? (12...Rd8 13.Qc2 (13.Ne7?! Qe7 14.Qb3 Nc6=) 13...Nc6 14.Nb5+/– (14.Ne7?! Qe7 15.Rfd1 Qe6=)) 13.Qc2 (better is 13.Qd7 Nbd7 14.Ne7 Kh8 15.Rfd1+–) 13...Nc6 14.Rad1 Qe6 15.a3 (15.Nd5 Bd8+/–) 15...a6 (15...Rae8 16.Nd5 (16.Ne7?! Ne7 17.Nb5 Ng6+=) 16...Rd8 17.Ng7 (17.Nde7?! Ne7 18.Ne7 Qe7=) 17...Kg7 18.Nf4+–) 16.Bf3 (16.Nd5 Bd8+/–) 16...Rfe8 17.Nd5 (17.Ne7 Re7 18.Nd5 Ree8+–) 17...Bd8 (17...Rab8 18.Nc7 (18.Nde7?! Ne7 19.Bb7 Nf5 20.Ba6 Nd6+/–; 18.Nfe7?! Ne7 19.Nc7 Bf3 20.Ne6 Bd1 21.Rd1 fe6+–) 18...Qc8 19.Ne8 Qe8 20.Qa4+–) 18.Nf6 (better is 18.Nd6 Rb8 19.Ne8 (19.Nb7?! Rb7 20.Qa4 b5 21.Qa6 Ra7+–) 19...Ne8 20.Rd2+–) 18...Bf6 19.Rd6 (19.Bd5 Qd7 20.Bf6 gf6 21.Bf7 Qf7 22.Nh6 Kg7 23.Nf7+–) 19...Qc8 20.Bf6 gf6 21.Rf6 Ne5 22.Bb7 (22.Rb6?! Bf3 23.gf3 Nf3 24.Kh1 Qc7+/–) 22...Qb7 23.Nd6 Qd7 (23...Qa7 24.Ne8 Re8 25.Rb1+–) 24.Ne8 Re8 25.Rd1 (25.Rb6 Qg4+–) 25...Qg4 (25...Qc7 26.Rh6 Ng6 27.Qa4+–) 26.Rf4 (better is 26.Rb6!? Qc4 27.Qc4 Nc4 28.Ra6 Kg7+–) 26...Qh5 27.Rd5 Kh8 (27...Re6 28.Qa4+–) 28.Rf5 (28.e4 Qg6+–) 28...Qg6 29.e4 (29.Rde5 Re5 30.Qb2 Qf5=; 29.Rfe5 Qc2 30.Re8 Kg7+=) 29...Rg8 (29...Nc6 30.Qc3 Nd4 31.Rf4+–) 30.g3 f6 (30...Nc6 31.Qb2 Nd4 32.Rd7+–) 31.Qc3 (31.Rd6 Qg4 32.Rdf6 Nd7+–) 31...Re8 (31...Qg7 32.Rd6 Nd7 33.Rfd5+–) 32.Kg2 (32.f4 Ng4+–) 32...Qh6 (32...Re6 33.Rd8 Kg7 34.f3+–) 33.h3 (better is 33.f4 Ng4 34.h3 Re4+–) 33...Kg8 (33...Re6 34.f4 Nc6 35.Qf3+–) 34.f4 (34.f4 Nc6 35.Rf6+–) 1–0. Labahn,Thomas – Windhorst,W, Luebbecke Stadtmeist, 1990.

9.Nd4 c5 10.bc5 dc5 11.Nf5 Nbd7 12.Bf3 Bf3 13.Qf3 +=.

9.Nd4+= c5 10.bc5 dc5 11.Nf5 Be4 (11...Nbd7 12.Bf3 (worse is 12.Ne7 Qe7 13.Nd2 Rfe8=) 12...Bf3 13.Qf3+=) 12.Qd8 (12.Bf3 Bf3 13.Qf3 Nbd7+/–) 12...Bd8+= (12...Rd8?? 13.Ne7 Kf8 14.Bf6 gf6 15.Nd5+–) 13.Nd6 Nbd7 14.Ne4 Ne4 15.Bf3 (15.Rd1 Bf6 16.Bf6 Nef6+=) 15...Ndf6 (15...Bf6!? 16.Be4 Bb2 17.Ba8 Ra8=) 16.Nc3 Re8 17.Rad1 a6 18.Ne4 Ne4 19.Rd7 Nf6?? (better is 19...Rb8+=) 20.Ba8+– Nd7 21.Bc6 Bf6 (21...Bc7 22.Rd1 Nf6 23.Bf6+–) 22.Bf6 (22.Bd7?! Rd8 23.Bf6 Rd7+–) 22...Nf6 (22...Re6 23.Bd7 Rf6 24.Rd1+–) 23.Be8 (23.Be8 Ne8 24.Rb1+–) 1–0. Heinonen,Jouni – Saarinen,Lauri, corr Finland, 1978.

9.Nd4 c5 10.Bf3 Bf3 11.Qf3 Nbd7 +/–.

9.Nd4 Qc8 10.Bf3 d5 11.b5 (11.cd5 Nd5 12.b5 a6+=) 11...dc4= 12.Nf5 (12.Nd2 c5 13.bc6 Nc6 14.Nc4 Nd4 15.Bb7 Qb7 16.Qd4 Rfd8=+) 12...Re8 (12...Qf5 13.Bb7 Rd8+–) 13.Ne7+= Re7 14.Bb7 Qb7 15.Bf6 Rd7 16.Qg4 g6 17.Nc3 c6 18.Qc4 (18.Qc4 cb5 19.Qb5+–) 1–0. Cuartero,M – Olave,M, Cajas op, 1989.

9.Nd4 Nbd7 10.a3 +=.

9.Nd4 Nbd7 10.Nc3 d5 (10...c5 11.Nf5+=) 11.Qb3 (11.cd5 Nd5 12.Nd5 Bd5+=) 11...dc4 12.Bc4 c5 13.bc5 Nc5 14.Qc2 Nfe4 (14...a6 15.Rad1=) 15.Rfd1 Qc8 16.Qe2 Bf6 17.Nd5 Na4 (17...Bh4!? 18.f3 Nd6+=) 18.Nf6+/– Nf6 19.Rac1 Qg4 (19...Nc5 20.Nb5 Qc6 21.f3+/–) 20.Qg4+–. Timofeyeva,V – Yefimova,N, Moscow, 1998.

9.Nd4+= Nbd7 10.Nf5 a5 11.b5 Nc5 12.Nd2 Qd7 13.Ne7 (13.Bg4 A) 13...Ng4?? 14.Qg4 (14.Ne7?! Qe7 15.Qg4 f5=) 14...Bg5 15.Qg5+–; B) 13...Kh8+=) 13...Qe7= 14.Qc2 Nfe4 15.Rad1 Rae8 16.Ne4 Be4 17.Qc3 The mate threat is Qxg7 17...f6 18.Qc1 f5 19.Rfe1 Qg5 Do you see the mate threat? 20.g3 Qh6 21.Bd4 Ne6 22.f3 Ba8 (worse is 22...Nd4 23.ed4 Qc1 24.Rc1+=) 23.f4 Qg6 24.Kf2 Qh6 (24...Re7 25.Qd2–/+) 25.Kg1+= g5 (25...Be4 26.Bd3+=) 26.Bb2 Ng7 (26...g4 27.a3+=) 27.Qc3 Qg6 (27...a4!?=) 28.c5+= bc5 29.Qa5 h5?? (better is 29...Re7+=) 30.Qc7+– Rd8 31.Bg7 Qg7 32.Qg7 Kg7 33.fg5 Kg6 34.h4 Rfe8 35.a4 Re4 36.Bf3 (better is 36.a5+–) 36...Ra4+/– 37.Ba8 Raa8 38.Re2 Rab8 39.Rb2 Rb6 40.Kf2 d5 (40...Kf7 41.Ra1+/–) 41.Rc1 (41.Rbd2!? Rbd6+–) 41...c4+/– ½–½. Thormann,Hans – Voeller,Lothar, Ruhrgebiet, 2003.

9.Nd4 Nbd7 10.Nf5 Re8 11.Ne7 (11.Bf3 Qc8+=) 11...Qe7= 12.Nd2 Ne5 13.a4 a5 14.b5 Rad8 15.Nf3 (15.Qc2 Nfg4=) 15...Nf3 (15...Nfd7 16.Nd2+=) 16.Bf3= Be4 17.Be4 Ne4 18.f3 (better is 18.Qg4!? Qf8 19.Rfd1+=) 18...Nc3!–/+ 19.Qe1 (19.Bc3 Qe3 Theme: Double Attack) 19...Qe3 20.Qe3 Re3 21.Kh1 Rde8 22.h3 Ne2 23.Kh2 Rb3 24.Ra2 Nf4 25.Kg3 g5 (25...Re4 26.Bc1 Nd3 27.Rc2–+) 26.h4? (better is 26.Rf2–+) 26...Re2 (26...Re2 27.hg5 Nd3–+ (27...Reb2?! 28.Rb2 Nh5 29.Kg4 Rb2 30.Kh5–+; 27...Rbb2?! 28.Rb2 Nh5 29.Kg4 Rb2 30.Kh5–/+)) 0–1. Spiegel,Matthias – Rittmueller,Gerd (1615), Germany, 2006.

8.d4 e4

9.Nfd2 a6 A) 10.a3 c6 (10...d5 11.cd5 Qd5 12.Qc2 Bd6 13.Nc3+= Qf5+=) 11.Nc3 d5 12.cd5 cd5 13.Rc1 Nbd7=; B) 10.Nc3 d5 11.a3 c6 12.Qb3 (12.cd5 cd5 13.f3= Nbd7=) 12...Re8 13.Rab1 b5+=.

9.Nfd2 c5 10.a3 cb4 11.ab4 a5+=.

9.Nfd2 c5 10.a3 d5 11.bc5 bc5 12.cd5 cd4 13.Bd4= Bd5=.

9.Nfd2 c5 10.b5 d5 11.cd5 (11.dc5 bc5 12.cd5 Qd5 13.Nc3 Qf5=) 11...Qd5 12.dc5 (12.Nc3 Qf5 13.Qb1= Re8=) 12...bc5 13.Nc3 Qf5=.

9.Nfd2 c5 10.bc5 dc5 11.d5 Bd6 12.Nc3 Qc7? (12...Re8 13.Nb5=) 13.h3 (better is 13.Nb5!? Qe7 14.Nd6 Qd6 15.Qc2+–) 13...Re8 (13...Bh2 14.Kh1 Be5 15.Qc2+=) 14.Qc2 e4 draws heavy fire (14.Nb5 Qd8+=) 14...Qe7 15.Nb5 Be5 16.Rad1 a6 17.d6 (better is 17.Be5!? Qe5 18.Nc3+=) 17...Bd6+= 18.Nd6 Qd6 19.Qa4 Bc6 (19...Qc6 20.Qc6 Nc6 21.Bf6 gf6 22.Rb1+=) 20.Qb3= Qc7 21.Bf6 gf6 22.Bg4 (22.f3 f5=) 22...Kh8 (22...Nd7 23.f3 Ne5 24.Bf5 Nf3 25.gf3 Qg3 26.Kh1 ef3 27.Rg1 f2 28.e4 fg1Q 29.Rg1 Qg1 30.Kg1+–) 23.Qb2 (23.f3 Kg7=) 23...Nd7 (23...Kg7!?=) 24.Bd7+= Qd7 (24...Bd7!? 25.f3 Bc6+=) 25.Ne4 Qf5 (25...Re4 26.Rd7) 26.Nf6 (better is 26.Ng3 Qg6 27.Qb6+–) 26...Red8? (better is 26...Qe5!? 27.Qe5 Re5+/–) 27.Nh5 (27.Nd5 f6 28.e4 Qg6+–) 27...Kg8?? (27...f6 28.Qf6 Qf6 29.Nf6 b5+–) 28.Qg7 1–0. Labahn,Thomas – Szychaniak, Festenburg, 1989.

9.Nfd2 d5 10.a3 a5 11.b5 dc4 12.Nc3 c6 13.bc6 Nc6 14.Nc4 +=.

9.Nfd2 d5 10.Qb3 c6 (10...dc4 11.Nc4 b5 12.Ne5=) 11.Nc3 a6 12.a4 c5? (better is 12...Bc8+=) 13.bc5+– dc4 14.Qb6 (14.Bc4?! Nbd7+–) 14...Qc8 15.Bc4 Nbd7 16.Qb3 Rb8 17.Qc2 Qc7 18.Rab1 Ng4 19.g3 h5 (19...Ndf6 20.Nde4 Ne4 21.Ne4+–) 20.Nde4 Ndf6 21.Rfd1 h4 22.Ba3 hg3 23.Ng3 Qc6 (23...Bf3 24.Rb8 Rb8 25.Rd2+–) 24.e4 Ne4 (24...Qc7+–) 25.Qe4 Qh6 (25...Qe4 26.Nge4 Be4 27.Rb8 Rb8 28.Ne4+–) 26.Qg4 (26.Qg4 Bc8 27.Qe4 Rb1 28.Rb1+–) 1–0. b4_player – Hersch22, gamecolony.com, 2006.

9.Nfd2 d5 10.c5 c6 11.a4 Nbd7 12.Nc3 Ne8 13.f3 f5 14.fe4+= fe4 15.Bg4 Nef6 16.Be6 Kh8 17.Ne2 Qc7 18.Nf4 Rae8 19.Bh3 Rf7 20.Ne6 Qb8 21.Ng5 Rff8 22.Be6 h6 23.Nf7 Kh7 24.Bf5 g6=+ 25.Bg6? Kg6–+ 26.Ne5 Kh7 27.Nd7 Nd7 28.Qg4 Qc8 29.Rf8 Rf8 30.Rf1 Rf1 31.Nf1 Nf6 32.Qc8 Bc8 33.h3 Ba6 34.Ng3 Kg6 35.Bc3 Nh5 36.Be1 Bh4 37.Kh2 Ng3 38.Bg3 Bg3 39.Kg3 bc5 40.bc5 Be2 41.a5 Kg5 42.Kf2 Bb5 43.g3 h5 44.Ke1 Ba6 45.Kf2 h4 46.g4 Bc8 47.Kg1 a6 48.Kf2 Bg4! 49.Kg2 Bh3! 50.Kh3 Kh5 51.Kh2 Kg4 52.Kg2 h3 53.Kf2 Kh4 54.Kg1 Kg3 55.Kh1 Kf2 (55...Kf2 56.Kh2 Ke3 57.Kh3 Kd4–+) 0–1. hal1958 – badplayer, playchess.de, 2002.

9.Nfd2 d5 10.cd5 Bd5 11.b5 c6 12.Nc3 cb5 13.Nd5 Qd5 14.Qb3 Qb3 15.ab3 a6 (15...Bb4 16.Rfd1=) 16.f3 (16.Bb5 Bb4 17.Rfd1 Bd2 18.Rd2 Nd5+=) 16...Nbd7 (16...ef3 17.Bf3 Ra7 18.e4=) 17.fe4 (17.Ne4 Nd5 18.Kf2+=) 17...Rfc8 (17...Bb4!? 18.Rfd1 Bd2 19.Rd2 Ne4+=) 18.Rfc1 (better is 18.Bf3!? Bb4 19.Nb1+/–) 18...Bb4+= 19.Rc8 (better is 19.Nf1!? Rc1 20.Bc1+=) 19...Rc8–/+ 20.Rc1 Rc1 21.Bc1 Bd2 22.Bd2 Ne4 23.Be1 f5 24.Bd3 (24.g4 g6–/+) 24...Ndf6 25.h3 g6 (25...h5 26.Kf1–/+) 26.g4 Nd5 (26...Kf7 27.Kg2–/+) 27.gf5 (27.Kg2 Kf7+=) 27...gf5–/+ 28.Bf2 (28.Kg2 Kf7–/+ (28...Ne3?! 29.Kf3 Nd1 30.Kf4=)) 28...Ndc3 (28...Kf7–/+) 29.Be4? (better is 29.Be1+=) 29...Ne4–+ 30.Bh4 a5 31.Bd8? (31.Be1 a4 32.ba4 ba4–+) 31...a4 (better is 31...b4!? 32.Be7–+) 32.ba4 ba4 33.Be7 b5 34.Kf1 Nc3 35.Ke1 (35.Bd6 Kf7–+) 35...Nd5 36.Ba3 (36.Bd6 Ne3 37.Ke2 Nd5–+) 36...Ne3 37.Ke2 Nd5 0–1. Melzig,Ernst – Letzel,Lieselotte, Bayern–ch Seniors, 2000.

9.Ng5 a5 =.

9.Nfd2 c6

10.a3 a5 11.Nc3 (11.Qc2 d5 12.ba5 (12.cd5 cd5 13.ba5 Ra5 14.Rc1 Ba6 15.Nb3=; 12.b5 cb5 13.cb5 Nbd7 14.Nc3 Bd6 15.Rac1=) 12...Ra5 13.Nc3 Nbd7 14.cd5 cd5 15.Rfc1 Ra8=; 11.b5 A) 11...d5 12.bc6 Bc6 13.Nc3 Bd6 14.cd5 Bd5 (14...Nd5 15.Nde4+/–) 15.Nd5 Nd5+/–; B) 11...cb5 12.cb5 d5 13.Nc3 Bd6 14.Rc1 Nbd7 15.Qa4 Rc8=; 11.ba5 Ra5 12.Nc3 (12.Qb3 d5 13.Rc1 Ba6 14.Bc3 Bc4 15.Nc4=) 12...d5 A) 13.Qb3 Ba6 (13...Nbd7 14.cd5 cd5 15.Rac1=) 14.Qc2 Bc8 15.c5 bc5=; B) 13.a4 Nbd7 14.cd5 cd5 15.Nb5=; 11.f3 ef3 12.Bf3 ab4 13.ab4 Ra1 14.Ba1 d5 15.Bc3= (15.Qb3 Qd6=)) 11...d5 (11...ab4 12.ab4 Ra1 13.Qa1 d5 14.b5 dc4 15.Bc4 Bd6+=) 12.Qb3 Nbd7 13.b5 a4 14.Qc2 cb5 15.cb5 =.

10.a3 d5 11.f3 ef3 12.Bf3 a5 13.Qb3 ab4=.

10.a4 A) 10...d5 11.Qb3 (11.Ba3 Bd6 12.Nc3 Qc7 13.cd5 Nd5=) A1) 11...Qd6 12.Ba3 (12.b5 dc4 13.Nc4= Qe6=) 12...Qc7 13.cd5 cd5+=; A2) 11...a5 12.ba5 Ra5 13.Rc1 Nbd7=; B) 10...Nbd7 11.Nc3 d5 12.b5 Bd6 13.a5 ba5=; C) 10...Re8 11.Nc3 d5 12.Qb3 Bd6 13.Rfc1 Bc7+=; D) 10...Qc7 11.Nc3 d5 12.cd5 Bb4 13.Nde4 Ne4=; E) 10...a5 11.b5 cb5 12.cb5 Nbd7 13.Nc3 d5=.

10.Qa4 a6 11.a3 d5 12.Qb3 (12.cd5 cd5 13.Nc3 Bd6 14.Rac1 Nc6 15.Qb3=) 12...Qc7 13.Rc1 Bd6 14.h3 dc4 15.Nc4+=.

10.Qa4 a6 11.Qb3 A) 11...d5 12.Nc3 (12.Rc1 Nbd7 13.Nc3 Qb8 14.a4 Qd6 15.Ba3=) 12...Bc8 13.a3 Be6 14.Rac1 Nbd7 15.cd5=; B) 11...a5 12.Nc3 d5 13.a3 Nbd7 14.b5 a4 15.Qc2+=; C) 11...Re8 12.a4 (12.Nc3 d5 13.a3 Bc8 14.Rfc1 Be6 15.cd5=; 12.a3 d5 13.Nc3 Bc8 14.cd5 cd5 15.Rac1=) 12...d5 13.Nc3 Qd6 14.c5 Qc7 15.cb6=.

10.Qa4 a6 11.Rc1 A) 11...d5 12.c5 (12.Qb3 Nbd7 13.cd5 cd5 14.b5 Qb8 15.Nc3=) 12...Bc8 13.h3 Be6 14.a3 b5 15.Qc2=; B) 11...Nbd7 12.Nc3 d5 13.cd5 cd5 14.Rc2 Bd6 15.Rac1=.

10.Qa4 a6 11.Nc3 d5 12.Qb3 Bc8 13.a3 Be6 14.Rac1 Nbd7 15.cd5=.

10.Qa4 d5 11.Nc3 a6 12.Qb3 Bc8 (12...a5 13.a3 Nbd7 14.b5 a4 15.Qc2+=) A) 13.Rac1 A1) 13...dc4 14.Nc4 (14.Bc4 b5 15.Be2=) 14...Be6 15.Qc2 Bb4=; A2) 13...Be6 14.a3 Re8 15.cd5=; B) 13.a4 Be6 14.b5 Qd7 15.bc6+=.

10.Qa4 d5 11.Nc3 dc4 12.Nde4 Ne4 13.Ne4 f5 14.Nd2 b5 15.Qc2=) 11...cd5 12.Nc3 (12.Rc1 a6 13.Nc3 Qd7 14.Rc2 Rc8 15.Qd7=) 12...Qd7 13.Qb3 Rc8 14.f3 ef3 15.Rf3 (15.Bf3=) 15…Qd6 =.

10.Qb3 a5 11.ba5 Ra5 12.Rc1 (12.f3 ef3 13.Bf3 d5 14.e4 Ba6 15.e5 dc4 16.Nc4=) 12...Nbd7 13.Nc3 d5 14.cd5 cd5 15.Nb5 Ra8+= 16.a4+=.

10.Qb3 a5 11.Nc3 d5 12.a3 Nbd7 13.b5 a4 14.Qc2 cb5 15.cb5 Qc8+= (15...Bd6 16.Na4+=) 16.Rac1 +=.

10.Qb3 d5 11.Rc1 Nbd7 12.Nc3 Qb8 (12...a6 13.a4 Qb8=) 13.b5= dc4=.

10.Qc2!?

10.Bc3 d5 11.a4 dc4 12.Nc4 Na6 13.Qb3 Nd5 14.b5 Nac7 15.Rc1 cb5 16.ab5 =.

10.Nc3 d5 11.c5 a5 12.a3 ab4 13.ab4 Ra1 14.Qa1 Nbd7 15.Nb3 Qc7 16.Qd1 Ra8 17.Qc2 Nb8 18.Ra1 Na6 19.Ba6 Ba6 20.Na4 Nd7 21.cb6=+ Nb6 22.Nb6 Qb6 23.Nc5 Qb4–/+ 24.Na6 Ra6! 25.Qc1 Qb5 26.Ra6 Qa6 27.g3 Qb5 28.Qa1 h6 29.Qa8–/+ Kh7 30.Qa2 Bd6 31.Kg2 Qe2 32.Qb3 Qb5 33.Qb5?? cb5–+ 34.Kf1 Kg6 35.Ke2 Kf5 36.h3 Ke6 37.Kd2 Kd7 38.Kc3 Kc6 39.Kb3 Kb6 40.Bc3 Kc6 41.Ba5?? Bc7 42.Bb4 Bd6 43.Ba5 Kd7 44.Bc3 Ke6 45.Bb4 g6 46.Kc3 Bc7 47.Bf8–/+ h5 48.Kb4 f5 ½–½. hal1958 – guanzi, playchess.de, 2002.

10.f3 ef3 11.Bf3 d5 12.Qb3 Bd6 13.c5 Bc7 14.Nc3 Nbd7 15.e4 de4 16.Nde4 +=.

7.0–0 c5

8.b5 a6 9.a4 ab5 10.ab5= Ra1 11.Ba1 Be6 12.Nc3 d5 13.cd5+/– Nd5 14.Nd5 Bd5 15.Ne5 Bf6 16.d4+/– Be5 17.de5 Be6 18.Qc2 Qd5 19.Rd1+– Qb7 20.f4 Bd5 21.Bd3 g6 22.f5 Qe7 23.e4 Bb7 24.f6 Qe8 25.Qd2 Nd7 26.Qh6 (26.Qh6 Nf6 27.ef6 Qe4 28.Qg7) 1–0. pumpkin (2495) – queensmule, net–chess.com, 2003.

8.b5 a6 9.ba6 e4 10.Ne1 =+.

8.b5 a6 9.Nc3 ab5 10.Nb5 Ba6 (10...Nc6 11.d3=) 11.Qc2 Nc6 12.a3 e4 13.Ng5 h6 (13...d5 14.f3 h6 15.cd5 Bb5 16.Bb5 Na7=) 14.Ne4 Ne4 15.Qe4 Ne5 16.Nc3 f5 (16...Bf6 17.Nd5+–) 17.Qd5 Kh8 18.f4 Ng6 19.Rab1 Rb8 20.Qd3 Bb7 21.Nd5 Bd5 22.Qd5 Bf6 (22...Bh4 23.Qe6 Qe8 24.Qe8 Rbe8 25.g3+–) 23.Qf5 Bb2 (23...Ne7 24.Qc2+–) 24.Qg6 Bf6 (24...Qf6 25.Qd3 Ra8+–) 25.Bd3 Kg8 26.g4 Qe8 (26...Qd7 27.Bf5 Qd8+–) 27.Qh7 Kf7 28.Bg6 Ke7 29.Be8 Rbe8 30.Rb6 (30.Rb6 Kf7 31.g5+–) 1–0. pierre – tikkt, internet, 2010.

8.b5 Bb7 9.Nc3 Nbd7 (9...a6 10.d4 cd4 11.ed4=) 10.Qc2 Re8 (10...a6 11.ba6 Ra6 12.Rfb1=) 11.Ng5 (11.Rfb1 h6=) 11...h6 12.Nh3 (12.Nge4 Ne4 13.Ne4 a6=) 12...d5 (12...a6 13.ba6 Ra6 14.e4=) 13.cd5 Nd5 (worse is 13...Bd5 14.Nd5 Nd5 15.Bf3+/–) 14.Nd5 (14.Bc4 N5f6=) 14...Bd5 15.e4 (15.Bc4 Bc4 16.Qc4 Bf6=) 15...Be6+= 16.Qc3 (16.Bc4 Bh3 17.gh3 Bg5+=) 16...Bf6 (16...Nf6 17.Qe3+=) 17.a4 Nf8 18.Rfd1 Qd6 19.Qf3 Rad8 The backward pawn on d2 becomes a target 20.Kh1 (20.a5 Ng6=) 20...Ng6+= 21.Ng1 (21.Bc3 Qd7+=) 21...Nf4–/+ 22.d3 (22.Bc3 Ne2 23.Ne2 Bg5+=) 22...Bb3 Black fights for the Initiative 23.Rd2 (23.Re1–/+) 23...Ne2 (23...c4–/+) 24.Ne2? (better is 24.Re2 Be6 25.Ra3+=) 24...Bg5–+ 25.Rdd1 Bd1 26.Rd1 c4! 27.Ng3? (27.dc4 Exploits the pin 27...Qd1) 27...Qb4 28.Ba1 (28.h4 Bh4 (28...Qb2?! 29.hg5 c3 30.Qe3–+) 29.Nf5 Bf6–+) 28...Rd3 29.Rd3 (29.Qg4–+) 29...Qe1 0–1. Schnirch – Mayer, BSW–tt Esn–Kol, 1987.

8.bc5 bc5 9.Nc3 Nc6 =.

7.0–0 e4

8.Ne1 Bb7 9.f4 (9.f3 d5= 10.cd5 Bb4 11.Qa4 ef3 12.Bf3 Bd6 13.Nc3 Re8=; 9.d3 d5 10.cd5 Qd5 11.Nc3 Qg5 12.de4 Bb4 13.Nf3 Qg6=) 9...ef3 (9...d5!?+= 10.Nc2 a5 11.b5 c6 12.d3 ed3 13.Bd3 dc4=) 10.Bf3= (10.Nf3 c5 11.a3 Nbd7 12.Nc3 d5 13.Nd5 Nd5=) 10...d5 11.Nd3 (11.Na3 Re8 12.Nec2 Nbd7 13.Qe2 c5=) 11...c6 12.cd5 Nd5 13.Bd5 (13.Be4 Ba6=) 13...Qd5 14.Qg4 g6 15.Nf4 Qd7 16.Qg3 Qf5?? (16...Bb4 17.Nh5 f5 18.Nf6 Rf6 19.Bf6+=) 17.Nh3?? (better is 17.Ng6 Qg6 18.Qe5+–) 17...Qd5= 18.Rf2 Bb4?? (18...Qd6 19.Nf4 Nd7= (worse is 19...Qb4 20.Ba3 Qa5 21.Be7+=)) 19.Qh4+– Qd6? (19...Nd7 20.Qb4 c5 21.Qh4+–) 20.Rf6 (better is 20.Ng5 h5 21.Ne4+–) 20...Qc5 21.Nc3?? (better is 21.Rf4 f5 22.Rb4+–) 21...Bc3 22.Bc3 Qh5?? (better is 22...Nd7=) 23.Qd4+– Qh6 24.Raf1 (better is 24.Rc6! f6 25.Rf6 Rf6 26.Qf6 Bg2 27.Ng5 Qh2 28.Kh2 Be4 29.Qf7) 24...c5 25.Qd6 (25.Qe5 Nd7 26.Qe7 Bd5+–) 25...Nc6? (25...Ba6 26.R6f4 Nd7 27.Qd7 Bf1 28.Qd6+– (worse is 28.Rf1 Qh4+–; 28.Kf1?! Rae8+–)) 26.Qc7 (26.R6f4 Rae8 27.Qf6 Nd4 28.ed4 Re6 29.Qe6 fe6 30.Rf8 Qf8 31.Rf8 Kf8 32.dc5 bc5+–) 26...Nd8 (better is 26...Ba6 27.R1f4 Rac8+/–) 27.Qe5 Nc6 (27...b5 28.Re6!! f6 29.Ref6 Rf7+–) 28.Rc6! 1–0. Roczniak,Jan – Smielewski, Poland (year?).

8.Ne1 d5 A) 9.Nc2 A1) 9...Be6 10.cd5 Nd5 11.Nc3 Nb4 12.Nb4 Bb4 13.Ne4 f5 14.Qc2 c5=; A2) 9...a5 10.b5 (10.ba5 Ra5 11.d3 dc4 12.de4 Ne4 13.Bc4 Bd6 14.f4 Bc5+=) 10...dc4 11.Nd4 Qd7 12.Bc4 c5 13.bc6 Nc6 14.Bb5 Bb7=; A3) 9...dc4 10.Bc4 Nc6 (10...a5 11.b5 Bg4 12.Qc1 c6 13.Nd4 c5 14.Ne2 Bd6=; 10...c6 11.f3 b5 12.Be2 a5 13.fe4 ab4 14.Nd4 Qc7=; 10...a6 11.f3 b5 12.Be2 a5 13.fe4 ab4 14.e5 Nfd7=) 11.a3 Qd6 12.f3 Ne5 13.Be5 Qe5 14.fe4 Bd6=; B) 9.cd5 B1) 9...Nd5 10.f3 f5 (10...Nb4 11.fe4 c5 12.d4 Qd6 13.Nf3 Rd8 14.Nbd2 Qh6+=; 10...Bf6 11.Qc1 Nb4 12.fe4 Bb2 13.Qb2 c5 14.d4 Ba6=) 11.b5 a6 12.fe4 fe4 13.Rf8 Kf8 14.Qa4 Bf5=; B2) 9...Bb4 10.f3 ef3 (10...Re8 11.Qa4 Nd5 12.fe4 Re4 13.Bf3 b5 14.Qb3 Bf5+– 1.87) 11.Bf3 a5 12.a3 Bd6 13.Bd4 Nbd7 14.Nc3 Qe7=; C) 9.a3 C1) 9...a5 10.b5 c6 (10...dc4 11.Bc4 c6 12.Nc3 Qc7 13.Qc2 Bf5 14.bc6 Qc6=) 11.cd5 (11.f3 dc4 12.Bc4 Be6 13.Be6 fe6 14.bc6 ef3=) 11...cd5 12.d3 Be6 13.Nc2 Nbd7= (13...Qc7 14.Nd2 Nbd7=) 14.Nd4 Nc5=; C2) 9...c5 10.bc5 (10.f3 cb4 11.ab4 Bb4 12.cd5 ef3 13.Bf3 a5= 14.e4 Ba6=) 10...Bc5 (10...dc4 11.Bc4 Bc5 12.d3 Be6 13.Nd2 Bc4 14.Bf6 Qf6+=) 11.cd5 Nd5 12.d3 Bf5 13.de4 Be4 14.Nf3 Qe7=; C3) 9...dc4 10.Bc4 a5 11.b5 c6 12.f3 Be6 13.Be6 fe6 14.Qe2 Qd5=.

7.0–0 Bg4

8.Nc3= c5 9.bc5 dc5 (better is 9...bc5!? 10.Rb1 Nc6=) 10.Ne5+/– Be2 11.Qe2 Qd6 (better is 11...Bd6!? 12.f4 Na6+/–) 12.Nb5+– Qe6? (12...Qd8+–) 13.Nc7 Qc8 14.Na8 Qb7 15.Qf3 Qf3 16.Nf3 Rc8 17.Rfd1 Nc6 18.Nb6! ab6 19.Bf6 Bf6 20.Rab1 Nb4 21.a3 Nc2 22.Rb3 Rb8 (22...b5 23.d4 b4 24.ab4 Nb4 25.e4+–) 23.Rc1 Na3 24.d4 1–0. Pcmvr – Littlegarry, playchess.de, 2004.

8.h3 Bf3 9.Bf3 c6 10.b5 Qc7 11.bc6 Nc6 12.Nc3 Rad8 13.d3 d5 14.cd5 Nd5?? (better is 14...Nb4+/–) 15.Nd5+– (worse is 15.Bd5 Nb4 16.Bc4 Qd7+–) 15...Qd7 16.Ne7 Ne7 17.Be5 Qd3 18.Qd3 Rd3 19.Be4 Rdd8 20.Rfd1 f6 21.Bg3 f5 22.Bf3 Rc8 (22...Kf7 23.Rac1+–) 23.Rac1 (23.Rd7 Nc6+–) 23...Ng6 (23...Rc1 24.Rc1 Rc8 25.Rc8 Nc8 26.Bb8+–) 24.Bd6 Rfd8 25.Bd5 Kh8 26.Bg3 (26.Rc8 Rc8 27.Be6 Rd8+–) 26...h6 27.Bf7 Kh7 (27...Rc1 28.Rc1 Nf8 29.Rc7+–) 28.Bg6 (better is 28.Rd8 Rd8 29.Rc7 a5+–) 28...Kg6 29.Rd8 Rd8 (29...Rc1 30.Kh2 Rc2 31.a3+–) 30.Rc7 a5 (30...Rd1 31.Kh2 Rd2 32.Ra7+–) 31.Rc6 (31.Be5!? Rg8+–) 31...Kg5 32.Rb6 Rd2 (32...Rd1 33.Kh2 Rd2 34.Be5+–) 33.Bf4 Kh5 34.a3 g5 (34...Rd3 35.Bd6 Rd1 36.Kh2+–) 35.Bd6 Rd1 36.Kh2 Rf1 (36...Kg6 37.Bf8 Kf7 38.Bh6+–) 37.f3 (37.Bf8 Rh1 38.Kh1 g4 39.Rh6 Kg5 40.h4) 37...Rf2 (37...Kg6 38.Bf8 Kf7 39.Bh6+–) 38.Rb5 (38.Bf8 Rg2 39.Kg2 g4 40.Rh6 Kg5 41.h4) 38...Re2 39.Bc5 a4 (39...Kg6 40.Ra5 Rd2 41.Ra6 Kg7 42.a4+–) 40.Ra5 (40.Rb6 g4 41.Kg3 gf3 42.Kf3 f4 43.Ke2 Kh4 44.Kf3 Kg5 45.ef4 Kh5 46.g4 Kh4 47.Rh6) 40...Kg6 41.Ra4 g4 (41...Ra2 42.Bf8 h5 43.Be7+–) 42.hg4 fg4 43.Kg3 (43.Rg4 Kf7+–) 43...Kg5 (43...gf3 44.gf3 Kf7 45.Ra7 Kf6 46.Ra6 Kg7 47.Bd4 Kh7 48.f4+–) 44.Rg4 Kf6 45.Rf4 Kg5 46.Rg4 Kf6 47.e4 h5 (47...Kf7 48.Rf4 Kg6 49.a4+–) 48.Rg8 (48.Bd4 Kf7 49.Rg5 Rd2+–) 48...Rc2 49.Bb4 Kf7 (49...Rc1 50.Rf8 Ke6 51.Rh8+–) 50.Rh8 Kg6 51.e5 Rc4 (51...Re2 52.f4 Re3 53.Kf2+–) 52.e6 Kg5 53.e7 h4 54.Kh3 Rc2 (54...Re4 55.Rg8 Kf4 56.Bd2 Kf5 57.Rf8 Ke6 58.e8Q Kd6 59.Rf6 Kc7 60.Rc6 Kb7 61.Qd7 Kb8 62.Rc8) 55.e8Q Rg2 (55...Kf5 56.Qe4 Kf6 57.Rh6 Kg5 58.Qh4 Kf5 59.Qf6) 56.Rg8 (56.Rh5 Kf4 57.Qe4) 56...Kf4 (56...Kf5 57.Qe4 Kf6 58.Bc3 Kf7 59.Qe8) 57.Rf8 (57.Qe4) 57...Kg5 58.Qe5 Kh6 59.Rh8 (59.Qf6 Kh5 60.Rh8) 59...Kg6 60.Qe6 Kg5 61.Rg8 (61.Be7 Kf4 62.Rf8) 61...Kf4 (61...Kh5 62.Qe5 Kh6 63.Qh8) 62.Rf8 (62.Qe4) 62...Kg5 63.Qg8 (63.Rf5) 63...Kh6 64.Qg2 Kh7 65.Rf4 Kh6 66.Rh4 1–0. Fournier,Frederic (1900) – geransaras(C) (1730), Active, 2005.

7.Nc3 Bb7

8.0–0 (--> 7.0–0 Bb7 8.Nc3).

8.a3 Ne4 9.Ne4 Be4 10.d3 Bc6 11.Rc1 a5 12.b5 Bb7 13.d4 ed4 14.Nd4 Bf6 15.0–0 c5 16.bc6 Bc6 17.Bf3 Bd4 18.Qd4 Bf3?? (better is 18...Qg5 19.Bc6 Nc6 20.Qd6 Rac8+/–) 19.Qg7 (19.gf3?! Qg5 20.Kh1 Nc6 21.Qd6 Qc5+/–) 1–0. lican – bighunter, kurnik, 2012.

8.a4 c5 9.b5 (9.bc5 bc5 10.0–0 Nc6=) 9...e4 (9...Nbd7 10.0–0=) 10.Ng5 Nbd7 (10...h6!? 11.Nh3 a6=) 11.Qc2+= e4 draws heavy fire 11...Ne5 (11...a5 12.0–0+/–) 12.Nge4 (12.0–0 d5 13.cd5 Re8+/–) 12...Ne4+= 13.Ne4 f5 14.Ng3 Bg2 15.Rg1 Bh3 (15...Bb7 16.f4 Ng6 17.Bd3+/–) 16.Nh5 (16.f4 Ng6 17.Bf3 a6 18.Bd5 Kh8 19.Ba8 Qa8 20.ba6 Qa6+/–) 16...Rf7+/– 17.d4 Ng4? (better is 17...cd4 18.ed4 Ng6+/–) 18.Nf4+– Bh4 (18...Nf2 19.Bh5 Bh4 20.Bf7 Kf7 21.Rg7 Kg7 22.Ne6 Kf7 23.Nd8 Rd8 24.Kd2+/–) 19.Nh3 Ne3 20.Qd3 Qe7 (20...f4 21.Kd2 f3 22.fe3 (worse is 22.Ke3 Qf6 23.Kd2 fe2+–) 22...fe2 23.Ke2+–) 21.Kd2 Ng4 22.Bf3 Raf8 23.Bd5 Bf2 (23...Nf2 24.Nf2 Bf2 25.Rgf1+– (25.Bf7?! Rf7 26.Rg2 Bd4 27.Bd4 cd4+–)) 24.Rg4! (24.Bf7?! Rf7 25.Nf2 Nf2+–) 24...fg4 25.Nf2 Qh4 (25...Qg5 26.Ke1+–) 26.Qg3 Qg5 27.Kc2 (27.Kd1 Kh8 28.Bf7 Rf7+–) 27...Qf5 (27...Qg6 28.Kb3 Kh8 29.Bf7 Qf7 30.Ng4+–) 28.Nd3 Kh8 29.Bf7 Qf7 30.Kb3 (better is 30.Qd6!? Qc4 31.Kd2 Qf7 32.dc5 bc5+–) 30...d5 (30...Qd7 31.Nf4 a6 32.Rg1 ab5 33.ab5+–) 31.Ne5 (31.Rc1 cd4 32.Qg4 a6+–) 31...dc4 32.Nc4 Qd7 (32...cd4 33.Qg4 Rd8 34.Bd4+–) 33.Rf1! Rc8 (33...Rf1 Theme: Deflection from b8 34.Qb8 A classical mating theme) 34.dc5 bc5 35.Nd6 Qe6 36.Ka3 Ra8 If Black now would get c4 in, he might survive 37.Rf7 Rg8 (37...Qe3 38.Qe3 Rd8 39.Rg7 Rf8 40.Ra7 Kg8 41.Qg5) 38.Bg7! 1–0. Chwojnicki,Lucjan – Czerwinski,Bernard, corr Poland, 1979.

8.a4 e4 9.Ng5 +=.

8.d3 a5 (8...Nbd7 9.0–0=) 9.b5 Nbd7 10.0–0 Nc5 (10...Re8 11.d4=) 11.Qc2 (11.d4 Ncd7+=) 11...h6 (11...Ne6 12.d4 ed4 13.Nd4 Nd4 14.ed4+=) 12.h3 (12.d4 Ncd7+=) 12...Re8 (12...e4 13.de4 Nfe4 14.Nd5+=) 13.a4 (13.d4 Ncd7+=) 13...Bf8 (13...Ne6 14.Rad1+=) 14.d4+= ed4 (14...Nce4 15.d5 Nc5 16.Rae1+=) 15.ed4 Nce4 (15...Ne6 16.d5 Nf4 17.Rae1+/–) 16.d5+/– Nc3 17.Bc3 Ne4 18.Bb2 (18.Bd4 g6+/–) 18...Nc5 19.Nd4 (19.Rae1 Be7+/–) 19...Qg5 (19...g6 20.Nf3+=) 20.Rfe1+/– Nd7 (20...Re7 21.Ra3 Ne4 22.Bg4+/–) 21.Bd3 (21.Ra3 Ne5 22.Re3 Rad8+/–) 21...Ne5 22.Bh7 Kh8 23.Bf5 (23.Be4 Kg8+–) 23...g6 (23...Kg8 24.Re4 Nf3 25.Nf3 Qf5 26.Rae1+/–) 24.Be4 (24.Bd7 Re7 25.Bc6 Bc6 26.Nc6 Ree8+–) 24...Kh7 (24...Bg7 25.Nf3 Nf3 26.Bf3+=) 25.Bc1 (25.Re2 f5 26.Bd3 Bg7+=) 25...Qf6 (better is 25...Qh4 26.Be3 Bg7+=) 26.Qd2?? (better is 26.Ra3+=) 26...Bg7 (26...Nc4 27.Qd3 Bd5 28.Bg5 Be4 29.Re4 (29.Bf6?? Bd3 30.Rec1 Re4–+) 29...hg5 30.Re8 Re8 31.Qc4–+) 27.Rd1–/+ Nc4 28.Qd3 Ne5 (28...Qe5 29.Bf3 Bd5 30.Ra2–/+) 29.Qc2 Qh4 (29...Re7 30.Ra3–/+) 30.Ra3 Re7 31.Bf3 (31.Rc3 Qh5–/+) 31...Rae8 (31...Nf3 32.Nf3 Qe4–/+) 32.Bb2 (32.Rc3 Kg8–/+ (32...Nf3?! 33.Nf3 Qe4 34.Qe4 Re4 35.Rc7=)) 32...Nf3 (32...Nc4! 33.Rad3 Re1 34.Re1 Re1 35.Kh2–+) 33.Nf3 Qh5?? (33...Qb4!? 34.Bc1 Bc8–+) 34.Bg7?? (better is 34.g4 Qd5 35.Rd5 Bd5 36.Bg7 Kg7 37.Rd3+–) 34...Kg7–/+ 35.Rc3 (better is 35.Kh2!? Bc8 36.Qc4–/+) 35...Bd5–+ 36.Rc7 (36.Qd2 Bf3 37.Rf3 Kg8–+) 36...Bf3 37.Re7 (37.Qc3 Qe5 38.Qe5 Re5 39.gf3 Re1 40.Re1 Re1 41.Kg2 d5–+) 37...Re7 (37...Bd1 38.Qc3 Kf8 39.Re8 Ke8 40.Qc6 Ke7 41.Qb6 Bb3 42.Qc7 Ke6 43.Qc8 Ke7 44.Qc7 Kf8 45.Qc8 Ke7 46.Qc7=) 38.Qc3 Kh7 39.Qf3 Qf3 40.gf3 Re6 41.Rd5 (41.f4 Kg7–/+) 41...f5 42.Kg2 Kg7 43.Kg3 (43.f4 Kf6–+) 43...Kf6 44.Kf4 g5 (44...Ke7 45.Rd3–+) 45.Kg3 h5 (better is 45...f4!? 46.Kg4 Ke7–+) 46.f4–/+ g4 (46...h4 47.Kf3–/+) 47.hg4 hg4 48.Kh4 Ke7 49.Kg5 (49.Kg5 Re4 50.Kf5 Ra4 51.Kg4–+) 1–0. anonymouuus – kamikadze1313, kurnik, 2014.

8.d4 ed4 9.Qd4 (9.Nd4 A) worse is 9...Bg2 10.Rg1 Bc6 11.b5+/– (11.Nc6?! Nc6 12.Bf3 Nb4+=); B) 9...c5 10.bc5 dc5= (10...Bg2? 11.Rg1 Bh3 12.cd6 Bd6 13.Bf3+–)) 9...Nc6+= 10.Qh4 (10.Qf4 Nb4 11.0–0 Qd7+=) 10...Nb4–/+ 11.0–0 Na6 (11...Re8 12.Qg3–/+) 12.Rad1 (12.Qf4 Nc5+=) 12...Nc5 (12...Ne4 13.Qh5–/+) 13.Nd4 (13.Qf4 Ne6 14.Qf5 Bc8+=) 13...Nfe4 (13...Qd7 14.Qf4–/+) 14.Qh3 Ng5 (14...Bf6 15.Bg4–/+) 15.Qh5 (15.Qf5 Re8+=) 15...Nge6 (15...Re8 16.Nd5 Bf6 17.Bg4+=) 16.Nd5= Bg5 17.f4 Bh6 (17...Bd5 18.cd5 Nd4 19.ed4= (worse is 19.Rd4 Bf6–/+)) 18.g4?? (better is 18.Nf5 f6 19.Bf3+/–) 18...Nd4+= 19.ed4 (19.Bd4 f6 20.Bf3=) 19...Ne6 (better is 19...Na4!? 20.Ba1 c6+=) 20.g5+= Ng5 (20...Bd5 21.cd5 Nf4 22.Rf4 Qg5 23.Qg5 Bg5 24.Rf3+=) 21.fg5 Bg5 (21...Qg5 22.Qg5 Bg5 23.Bf3+=) 22.Rf5 (better is 22.Bd3 h6 23.Qf3+/–) 22...h6 23.Bd3 g6 (23...Bd5!? 24.cd5 g6=) 24.Rg5+= Qg5 (24...hg5 25.Bg6 fg6 26.Qg6 Kh8 27.Ne7 Qe7 28.d5 Qe5 29.Qh5 Kg7 30.Be5 de5 31.Qg5 Kh7 32.Rd3 Rf1 33.Kf1 Bc8 34.Rf3 Bf5 35.Qf5 Kh6 36.Rh3 Kg7 37.Rg3 Kh6 38.Qg6) 25.Qg5 hg5 26.Nf6 Kg7 27.d5 Kh6 28.Rf1 Bc8 29.Kg2 (29.Bc1 Kg7+=) 29...a6 (29...Bf5 30.Bf5 gf5 31.Rf5=) 30.Be2 (30.Bc1 Kg7+=) 30...Bf5 31.h4 (31.Bg4 Bg4 32.Ng4 Kh5 33.Nf6 Kh6 34.Rf3+–) 31...gh4–/+ 32.Kh2 (32.Rf4 h3 33.Kg3=) 32...b5 33.Rf2?? (33.cb5 ab5 Combination) 33...bc4 (33...Rfb8 34.Rf4 bc4 35.Bc3=) 34.Bc4 (34.Rf4 Rfb8 35.Bc3 Rh8 36.Rh4 Kg5 37.Nh7 Rh7 38.Rh7 Bd3 39.Bd3 cd3 40.Rf7 Kg4+=) 34...Rab8 (34...Rfb8 35.Bc3–+) 35.Ba6 (35.Bc3 Rb1–/+) 35...Rb4 (better is 35...Rb2!? 36.Rb2 Kg7 37.Nh5 gh5 38.Bb7–+) 36.a3 (36.Bc3 Ra4 37.Bb5+=) 36...Rb6 (36...Rb6 37.Bf1 Rb2 38.Rb2 Kg7–+) 0–1. jaddwarrior (1930) – RCpro (2305), ChessWorld.net, 2013.

8.d4 e4 9.Nd2 a6 (9...d5 10.a3=) 10.Qc2 (better is 10.d5!?+/–) 10...d5= 11.a3 c6 12.0–0 Qc7. supertimchan (2190) – youngboy (1865), net–chess.com, 2004.

7.d3 Bb7

8.0–0= a5 9.b5 c5 (9...c6 10.d4=) 10.bc6 (10.d4 ed4 11.ed4 cd4+=) 10...Nc6= 11.Nc3 (11.d4 e4 12.Nfd2 d5=) 11...Qd7 (11...d5 12.d4 e4 13.Ne5=) 12.e4 Nb4 (12...Qe6 13.Rb1=) 13.Rb1 (13.a3 Na6+=) 13...Na6 (13...Rfc8 14.a3 Nc6 15.d4+=) 14.Ba3 (14.d4 Ne4 15.de5 Qe6+=) 14...Bd8 (14...Qc7 15.Qb3 Nd7 16.Nb5+=) 15.Nb5 Nc5 (15...Be7 16.Qb3+=) 16.Bc1 (16.Bc5 bc5 17.Nd6 Bc6+/–) 16...Rb8 17.Be3 Bc6 18.Nd2 (18.a3 Be7+/–) 18...Bc7 (18...d5 19.Nf3 Re8 20.ed5 Nd5 21.cd5 Bb5 22.Rb5 Qb5 23.d4+/–) 19.f4+/– ef4 20.Bf4 Ne6 21.Be3 Kh8 (21...Rfe8 22.Qb3+/–) 22.Nf3 (22.Bg4 Ng4 23.Qg4 Rfe8+/–) 22...Rfe8 (22...Ng4 23.Bd4+/– (23.Nc7 Ne3 24.Ne6 fe6–/+)) 23.Nfd4 Nd4 Black gets strong initiative 24.Nd4 (24.Bd4 Bd8+/–) 24...Ba4 25.Qd2 b5 26.Bh6 (26.cb5 Bb5 27.Bg5 Bd8+/–) 26...gh6 (26...bc4 27.Bg7 Kg7 28.Rb8 Bb8 29.Qg5 Kf8 30.Qf6 d5 31.Qh8 Ke7 32.Qh7 Rf8 33.ed5 Qd5 34.Qh4 Ke8+–) 27.Rf6+/– Bb6 28.Qb2 (28.Qe3+/–) 28...Qa7?? (28...bc4 29.Qc3 Qa7 30.Rb6 Rb6–/+) 29.Rd6+= Red8 30.Qa3? (30.Rb6 Qb6 31.Bd1 Bd1 32.Rd1 Qd4 33.Qd4 Rd4 34.cb5 Rb5 35.Kf2 Rb2 36.Kf3 Ra2 37.h4–+) 30...Bc5 31.Rd8 Rd8 32.Qc1 bc4 33.Kh1 (better is 33.Qc4 Rd4 34.Qc3–+) 33...cd3 (better is 33...Rd4 34.Qc3 Bb4–+) 34.Qh6?? (34.Nb5 de2 35.Qb2 Kg8 36.Qe2–+) 34...Bd4 (better is 34...Rd4 35.Qf6 Kg8 36.Qg5 Kf8 37.Bd1 Bd1 38.Rd1–+) 35.Bd3 Bg7 36.Qh3 (36.Qf4 Qe7 (36...Rd3 37.Rb8 Be8 38.Re8 Bf8 39.Qf6 Kg8 40.Qg5 Kh8 41.Rf8) 37.Rb8 Rb8 38.Qb8 Qe8–+) 36...Qd7 (36...Qd4!? 37.Be2 Qe4 38.Re1–+) 37.Qd7 Bd7 38.Bc4 Be8 (38...Bc6 39.Re1–+) 39.Bd5 Be5 40.g3 Rb8 (40...Kg7 41.Kg2–+) 41.Rc1 (41.Rb8 Bb8 42.Kg2 Be5–+) 41...Kg7 42.Rc5 Rb5 43.Rc1 (43.Rc8 Bd7 44.Rd8 Bg4–+) 43...Bd7 (43...Rb2 44.Rc8 Bd7 45.Rd8–+) 44.Rf1 f6 45.Bb3 (45.Kg2 Rb2 46.Rf2 Rb1–+) 45...Rc5 (45...Bc6 46.Re1–+) 46.Rd1 Bh3 (46...Bg4 47.Rd3–+) 47.Kg1 Bb2 (47...Bg4 48.Rd8 Rc1 49.Kf2–+) 48.Kf2 Rc1 49.Rd8 (49.Rc1 Bc1 50.Bd5 Bb2–+) 49...Rf1 (49...Rh1 50.Bc4–+) 50.Ke2 (50.Ke3 Re1 51.Kf3 Be5–+) 50...Rh1 51.Rg8 (51.Bd5 Rh2 52.Ke3 Be5–+) 51...Kh6 52.Ra8 (52.Rd8 Rh2 53.Kf3 Be5–+) 52...Rh2 53.Kf3 Bd4 54.g4 Bg2 55.Kf4 Bh1 (55...Rh3 56.Kf5–+) 56.Ra5 Rf2 57.Kg3 Be4 58.Ra4 (58.Rh5 Kg6 59.Bd5–+) 58...Rf3 59.Kh2 Be5 60.Kg1 Rg3 61.Kf2 Rg4 62.Ke3 (62.Rb4 Rg2 63.Ke3 f5–+) 62...Bf5 (62...Bf5 63.Rg4 Bg4–+; 62...f5!? 63.Ra7–+) 0–1. Klinke,Werner – Praekelt,Thomas, Ruhrgebiet VK2–chT, 1995.

8.0–0 h6 9.Nc3 Nbd7 10.e4 c6 11.Nh4 (11.a3 Re8+=) 11...Ne4 (11...d5!?+=) 12.Ne4= Bh4 (12...d5 13.Nf3 de4 14.de4 Bb4 15.Qb3–/+ (15.Be5? Ne5 16.Ne5 Bc3–+)) 13.Nd6+= Qc7 14.Nf5 (better is 14.Nb7!? Qb7 15.b5+/–) 14...Bf6= 15.Bf3 g6 (15...a5 16.b5=) 16.Ng3 (better is 16.Nh6!? Kh7 17.Ng4+/–) 16...Rad8 17.Bc1?? (17.Re1 Bg7=) 17...Kh7?? (better is 17...e4 18.Bh6 ef3 19.Bf8 fg2–+ (worse is 19...Rf8 20.Qf3 c5 21.Qe3–+)) 18.Be4= Bh4 (better is 18...a6=) 19.Qh5+/– Bg3 20.Qh6 Kg8 21.fg3 Qd6 22.Kh1 Rde8 23.g4 (23.Be3 Rb8+–) 23...Qe6? (better is 23...Qb4!? 24.Be3 Qb2+/–) 24.g5 Re7 25.Be3 f5 (better is 25...Ba8+–) 26.gf6 Rf6 27.Rf6 Qf6 28.Qg6 (better is 28.Bg5!? Qg7 29.Qg7 Rg7+–) 28...Qg6 29.Bg6 Kg7 30.Be4 Nf6 31.Bf3 e4 32.de4 Ne4 33.Bd4 Kg6 1–0. Tagirov,Kajum K (1920) – Gusev,Fedor, Kopylov Memorial op, 2008.

8.Nbd2 a6 9.0–0 =.

8.Nbd2 Nbd7 9.0–0 c5 10.b5 Qc7 11.a4 Rad8 12.e4 Rfe8 13.Bc3 Nf8 14.a5 Ne6 15.ab6 ab6 16.Qb3 Nf4 17.Rfe1 N6h5 18.g3 Ne2 19.Re2 Rf8 20.Ree1 Bc8 21.Ra2 f5 22.Rea1 Bb7 23.Ra7 f4 24.Qd1 g6 25.Qe2 Ra8 26.Ra8 Ra8 27.Ra8 Ba8 28.Qd1 Qa7 29.Qa1 Qa1 30.Ba1 Nf6 31.Nb3 h6 32.Bb2 Bb7 33.Nfd2 g5 34.f3 h5 35.gf4 gf4 36.Kg2 Nh7 37.Nb1 Bc8 38.Nc3 Ng5 39.Na4 Bd8 40.Nc1 Kf7 41.Ne2 h4 42.h3?? (better is 42.Nec3 Bb7 43.Nd5 Bd5 44.ed5=) 42...Bh3–+ 43.Kh2 0–1. Fournier,Frederic (1815) – Caralpier (1795), rated blitz game (4/0), 2002.

8.Nbd2 e4 (8...a6 9.0–0=) 9.Ng5 (9.de4!? Nbd7 10.Qb1+/–) 9...ed3 10.Bd3 h6 (worse is 10...Bg2 11.Bf6 Bf6 12.Bh7 Kh8 13.Qh5 Bg5 14.Be4 Bh6 15.Bg2+/–) 11.h4 (11.Ngf3 d5 12.a3 dc4 13.Bc4 c5 14.bc5 Bc5+=) 11...Nbd7 (worse is 11...hg5 12.hg5 Re8 13.gf6 Bf6 14.Qh5+/–) 12.f4? (better is 12.Ngf3+=) 12...d5–+ (12...hg5?! 13.hg5 Re8 14.gf6 Bf6 15.Qh5=) 13.a3 c5 (13...hg5?! 14.hg5 Re8 15.gf6 Bf6 16.Qh5=) 14.b5 Qc7 (14...Re8!?–+) 15.Qe2 d4 (worse is 15...hg5 16.hg5 Rfd8 A) worse is 17.gf6 Bf6 (worse is 17...Nf6 18.Qf3 Qd7 19.Qg3+/–) 18.Qh5 Kf8 19.Bf6 Nf6=; B) 17.Qf2+/–) 16.0–0–0 ½–½. Hilbert,Stephan Joerg – Worm,Alfred (1840), Rostock op, 2009.

6.Be2 c6

7.0–0 a5 8.b5 Nbd7 9.d4 ed4 10.Nd4 Ne5 11.f4 Neg4 12.Qb3 (12.bc6? Ne3 13.Qb3 Nf1 14.Kf1 Qc7–+) 12...Qc7 13.h3 Nh6 14.Bf3 a4 15.Qc3 Nf5 16.Nf5 Bf5 17.g4 Bd7 18.g5 (18.Na3 Rfc8 19.Qd3 d5=) 18...Ne8 19.h4 cb5 20.Nd2 (20.cb5 Qb6 21.Na3 d5=) 20...bc4 21.Nc4? (21.Qc4 Bc6 22.Rac1 Rc8=) 21...Be6 (better is 21...a3!? 22.Ba3 Be6–+) 22.Rac1–/+ a3 0–1. GuestRBHB – GuestHDQD, freechess.org, 2017.

7.0–0 Na6 8.a3 h6 9.Nc3 Re8 10.Qc2 Bd7 11.d4 ed4 12.Nd4 Bf8 13.Rad1 Nc7 14.Nf5 d5 15.cd5 Ncd5 16.Bd3 a5 17.Nd5 cd5 18.b5 Rc8 19.Qb1 Qb6 20.a4 Ne4 21.Nd4 Bb4 22.Be4 Re4 23.Nc2 Qe6 24.Nb4 Rb4 25.Rd4 Rd4 26.Bd4 Rc4 27.Qa1 Qg6 28.Kh1 Bf5 29.Rc1 Bc2 30.Qb2 Qd3 31.Bg7? (better is 31.b6!?+=) 31...Bd1–+ 32.h3 Rc1 33.Bh6?? (better is 33.Bh8 Bc2 34.Kh2–+) 33…Qc3 (33...Qc3 34.Qc3 Rc3–+) 0–1. Palacios Sanchez,Gabriel (1985) – Guasch Sariol,Jaume (2175), Barcelona Rubi op–A 5th, 2004.

7.0–0 Qc7 8.Nc3 Bf5 9.Nh4 (9.a3 Nbd7=) 9...Be6 10.Qc2 (10.Nf3 Na6 11.a3 Bf5=) 10...Re8 (10...d5!?+=) 11.Nf5= Bf8 (11...a5 12.b5=) 12.f4+= Nbd7 13.Ng7 (13.Ng3 ef4 14.Rf4 Ne5=) 13...Bg7 14.f5 Bc4 15.Bc4 d5 16.Be2 Qd6 17.a3 Rac8 (17...e4 18.Rac1=) 18.Rac1 (18.Na4 b6=) 18...a6 (18...e4 19.Na4=) 19.Na4 Kh8 (19...b5 20.Nc5 Nc5 21.Qc5 Qc5 22.Rc5=) 20.Nc5 Nc5 (20...Rb8 21.Kh1=) 21.bc5+= Qe7 22.Rf3 (22.Kh1 Rb8=) 22...Ne4 (22...Rb8 23.Qa4=) 23.a4 Nf6 24.Rh3 (24.Rff1 Rb8=) 24...e4 (24...Rb8 25.a5=) 25.Rf1 Nd7? (better is 25...Kg8+=) 26.Bg7+– Kg7 27.f6! Nf6 28.Qb2 Qe5 29.Rg3 Kh8 30.Qe5 Re5 31.Rf6 Re7 (31...Rf8 32.d4 ed3 33.Bd3+–) 32.Rg4 1–0. Janek – enoli, internet free game, 2017.

7.0–0 e4 8.Ne1 d5 9.f4 (9.Nc3 Bb4 10.f3 Na6+=) 9...Nfd7 (better is 9...dc4!? 10.Nc3 Bb4–/+) 10.cd5 cd5 11.Nc2 Bf6 12.Nc3 Nb6 13.b5 a6 14.Ba3 Be7 15.Be7 Qe7 16.Nd4 Nc4?? (better is 16...ab5 17.Bb5 Nc6 18.Nc6 bc6 19.Bc6 Bb7 20.Bb7 Qb7+=) 17.Nd5+– (17.Nd5 Qd8 18.Bc4 ab5 19.Nb5+–) 1–0. b4_player – anony, internet, 2014.

7.0–0 Be6 8.d4 Nbd7 9.de5 de5 10.Ne5 Ne5 11.Be5 Qb6 (11...Bb4!? 12.a3 Bc5=) 12.a3+= Rad8 13.Qc2 Rd7 14.h3 (better is 14.c5 Qd8 15.Rd1+/–) 14...Rfd8+– 15.c5 Bc5 16.bc5 Qa5 (16...Qb3 17.Qb3 Bb3 18.Bf6 gf6 19.g3+–) 17.Bf6 gf6 18.Qb2 (18.Kh2 b6+–) 18...Qc5 19.Qf6 Rd6 20.Qh4 (20.Qf4!? Qf5+–) 20...Qe5 21.Nd2?? (better is 21.Qg3 Qg3 22.fg3+–) 21...Rd2= 22.Rab1 (better is 22.Rad1 R8d7 23.Rd2 Rd2 24.Re1=) 22...Re2?? (better is 22...b5+=) 23.Qd8+– Kg7 24.Rb4 (24.Rb7 Qc5+–) 24...h5? (better is 24...b5+–) 25.Rb7 Bd5 (25...Qf6 26.Qe8+–) 26.Rb8 (26.Rb8 Kh6 27.Rd1+–) 1–0. Wall,Bill – McKone,Peter, Palo Alto CA, 1989.

7.0–0 Re8 8.Nc3 Nbd7 9.d4 e4 10.Nd2 d5 11.Qb3 Nf8 12.Rac1 a6 13.a4 Bd6 14.cd5 cd5 15.b5 (15.Nd5? Nd5 16.Bc4 Be6 17.Ne4 Bh2 (17...Nb4?! 18.Nd6 Qd6 19.Be6 Re6 20.Ba3–/+) 18.Kh2 Qh4 19.Kg1 Qe4–+) 15...Ng6 16.Ba3 (16.Nd5? Nd5 17.Bc4 Be6 18.Ne4 Bh2 19.Kh2 Qh4 20.Kg1 Qe4 21.ba6 ba6–+) 16...Bb8 17.b6 h5 (17...Bg4!? 18.Bg4 Bh2 19.Kh2 Ng4 20.Kh1 Qh4 21.Kg1 Qh2) 18.Rc2 Bg4 19.Bg4 Ng4 20.h3 (20.Nd5 Bh2 21.Kh1 Qh4–+; 20.Qd5?? Bh2 21.Kh1 Qh4–+) 20...Nf6 21.Rfc1 Qd7 22.a5 Nh4 23.Na4 Qf5 24.Nf1 (better is 24.Nc5+=) 24...Qg5+= 25.g3 Nf3 26.Kh1?? (better is 26.Kg2+=) 26...Qf5–+ 27.Kg2 Ng5 (27...Ng5 28.f4 Qh3 29.Kf2 Ng4 30.Ke2 Qg2 31.Kd1 Qf1 32.Kd2 Nf3 33.Kc3 Qd3 34.Kb2 Ne3 35.Qd3 ed3–+) 0–1. Tyle,Vladimir (2025) – Maximov,Dmitry (2485), Pardubice tt, 2009.

7.0–0 Ne8 8.d4 e4 9.Nfd2 d5 10.cd5 cd5 11.Qb3 f5 12.Nc3 Nf6 13.b5 Kh8 14.a4 Bd6 15.g3 Be6 16.Ba3 Qe7 17.Bd6 Qd6 18.Rac1 Nbd7 19.f4 Rac8 20.Na2 Nb6 21.a5 Nbd7 22.Qb4 Qb8 23.Nb3 b6 24.Rc6 Rfe8 25.Rfc1 Nf8 26.h3 g5 27.Kh2 gf4 28.gf4 Ng6 29.Rc8 Bc8 30.Rf1 Qc7 31.Nc3 Rg8 32.Rf2 Nh4–+ 33.Nd1 Qg7 34.Qe1 Qg3 35.Kh1 Nf3 36.Bf3 Qh3 (37.Rh2 Qf3 38.Rg2 Qg2; 36...ef3?! 37.Qf1–/+) 0–1. hertford (2080) – nbh999 (1925), ChessWorld.net, 2003.

7.a3 e4 8.Nd4+=.

7.a3 Re8 8.0–0 Nbd7 (8...e4!? 9.Nd4 c5=) 9.Qc2 h6 10.Nc3 a6 11.d3 b6 12.h3 Bb7 13.Ne4 d5 14.Nf6 Bf6 15.cd5 cd5 16.Qb3 b5 17.Rac1 (17.d4 e4 18.Nh2 Nb6=) 17...Qb6 (17...d4 18.Nh2=) 18.Rc2 (18.d4 e4 19.Nh2 Be7=) 18...Rac8 19.Rfc1 Rc2 20.Rc2 Nb8 (20...d4 21.e4+=) 21.Bd1 (21.d4 e4 22.Nh2 Be7+=) 21...d4= 22.ed4 ed4 23.Rc5? (better is 23.Re2!? Rd8 24.Nd2=) 23...Qd6–/+ 0–1. GuestQVBQ – GuestSKMoi, freechess.org, 2017.

7.Nc3 a6 8.Qc2 b5 9.0–0 (9.cb5 ab5 10.–0 Re8=) 9...Bb7 (9...bc4 10.a3+=) 10.d4 (10.a3 bc4 11.Bc4 Nbd7=) 10...Nbd7 (10...ed4!? 11.Nd4 bc4 12.Bc4 d5=) 11.de5+= Ne5 12.Ne5 de5 13.Rad1 Qc7 (13...Qc8 14.c5=) 14.Ne4+= Ne4 (14...a5 15.ba5 b4 16.c5+=) 15.Qe4 c5? (better is 15...Bb4!? 16.Be5 Qe7=) 16.Qe5+/– (16.Be5?! Be4 17.Bc7 cb4+=) 16...Qe5 17.Be5 bc4? (better is 17...Rfd8 18.cb5 ab5 19.Rd8 Rd8 20.bc5 Bc5 21.Bb5 Rd5+–) 18.Rd7+– Bf6 19.Bf6 (19.Rb7?! Be5 20.bc5 c3+–) 19...gf6 (19...Bc8 20.Rc7 gf6 21.Rc5 Be6 22.Bc4 Rfd8+–) 20.Rb7 c3 21.a4 (21.Rc1 cb4 22.Rb4 Rfd8 23.Rc3 Rd2+–) 21...cb4 22.Rb4 a5 (22...Rab8 23.Rb8 Rb8 24.Ba6+–) 23.Rb3 c2 24.Rb2 Rfc8 25.Rc1 f5 (25...Rab8 26.Bb5+–) 26.Rbc2 Rc2 27.Rc2 Kg7 28.Rc5 Kg6 (28...Kf6 29.Bc4+–) 29.Bd3 f6 (29...Kg7 30.Bf5 Ra7 31.e4+–) 30.Bf5 Kh6 (30...Kg7 31.Rc7 Kf8 32.Rh7+–) 31.Rc7 Rd8 (31...Rh8+–) 32.f4 Rd1 33.Kf2 Rd2 34.Kf3 Rf2 35.Kf2 Kh5 36.Rh7 1–0. wiking – spawnwolfwolverine, internet, 2009.

7.Nc3 Nbd7 (--> 6.Be2 Nbd7 7.Nc3 c6).

7.Nc3 e4 8.Nd4 =+.

7.d3 Qc7 8.a3 h6 9.0–0 Be6 10.Nbd2 Nbd7 11.d4 ed4 (11...e4!? 12.Ne1 d5=) 12.Nd4+= Rfe8 13.Ne6 fe6 14.Nf3 Nf8 15.Qc2 e5 16.Rad1 N6h7 (16...a5 17.c5+=) 17.Bd3 Ng5 18.Ng5 Bg5 19.f4 ef4 20.ef4 Bh4 21.g3 Be7 22.Rfe1 Rad8? (22...a5 23.Bh7! Kh8 24.Bg6 ab4 25.Be8 Re8 26.ab4+–) 23.Qc3?? (better is 23.Bg6 Qd7 24.Be8 Re8 25.f5+–) 23...Bf6+= 24.Qc2 Bb2 25.Qb2 d5 (25...Ne6 26.Qf2+=) 26.cd5 cd5 (26...Re1 27.Re1 Qd6 28.Qd4+/–) 27.Re8+/– Re8 28.Rc1 (better is 28.Qd4!?+/–) 28...Qb6= 29.Kg2 Qe3 30.Qc2 Ne6 31.Bh7 Kh8 32.Bg6 Rd8 33.Qd3?? (better is 33.Qc3 Qe2 34.Kh1=) 33...Qc1–+ 34.Kh3 d4 35.Qe4 (35.Bf5 Nc7–+) 35...Qe3 (better is 35...d3 36.Bh5 d2 37.Be2–+) 36.Qb7 (36.Qe3 de3 37.Kg2 Rd2 38.Kf3 e2–+) 36...Nf8 (better is 36...Nf4 37.Kg4 Ng6–+) 37.Bh5 (37.Qc7 Qe6 38.f5 Qf6–+) 37...Nh7 (better is 37...Qa3 38.Bf3–+) 38.Qa7 Nf6 39.Qc7 (39.Bf7 Qf3 40.Qb6 Rc8–+) 39...Rf8 (39...Qe6 40.Kg2 Rc8 41.Qc8 Qc8 42.Bf3–+) 40.Bg6 (40.Qc5 Ra8 41.Bf7 Qf3 (41...Ra3 42.Qf8 Kh7 43.f5=) 42.Qd4 Qf1 43.Kh4 Qg2 44.Qf6 gf6–+) 40...Qf3 (40...Nd5 41.Qd6 Nf4 42.Kh4 Ng6 43.Qg6–+) 41.Qe7 (41.Qc5 Rd8 42.Qc7 Ra8–+) 41...Qg4 (better is 41...Rg8 42.Qd6–+) 42.Kg2 Rc8 (42...Qg6?! 43.Qf8 Kh7 44.Qc8–+) 43.b5 (43.Bd3–+) 43...Qg6 44.b6 Qg4 (44...Rc2 45.Kg1 Qh5 46.Qf8 Kh7 47.Qg7 Kg7 48.g4 Qg4 49.Kf1 Qd1) 45.Qe1 (45.Qc7 Qe2 46.Kg1 Re8 47.Qc1 Ng4 48.Qc2 Qc2 49.b7 Re1) 45...Rc2 46.Kg1 (46.Qf2 Rf2 47.Kf2 Ne4 48.Kg2 Qe2 49.Kh3 Nf2 50.Kg2 Nd1 51.Kh3 Ne3 52.b7 Qg4) 46...Qf3 (46...Qh3 47.Qf2 Rc1 48.Qe1 Re1 49.Kf2 Qf1) 47.Qf1 Qe3 48.Kh1 Rc1 (48...Ng4 49.Qe2 Re2 50.b7 Rh2) 49.Kg2 Rf1 50.Kf1 d3 (50...Ng4 51.Kg2 Qe2 52.Kh3 Ne3 53.b7 Qg4) 51.b7 Qb6 (51...Qf3 52.Kg1 Qb7 53.Kf2 Ng4 54.Ke1 Qb1 55.Kd2 Qc2 56.Ke1 Qe2) 52.Ke1 Qb7 (52...Ne4 53.b8Q Qb8 54.Kf1 Qb2 55.Kg1 Qf2 56.Kh1 Qf1) 53.Kd2 Qa6 (53...Qf3 54.Kc3 d2 55.Kd2 Ne4 56.Kc2 Qc3 57.Kb1 Nd2 58.Ka2 Qb3 59.Ka1 Qa3) 54.a4 (54.h3 Ne4 55.Ke3 d2 56.Kf3 d1Q 57.Ke4 Qe6) 54...Qa4 (54...Ne4 55.Ke3 d2 56.Kd4 d1Q 57.Ke5 Qdd6 58.Ke4 Qad3) 55.Kd3–+ Qa2 56.Kd4 Qh2 57.Ke5 Qg3 (57...Qd2 58.f5 Qd5 59.Kf4 Qe4) 58.Kd4–+ h5 0–1. Fournier,Frederic (1820) – twister (1735), Active, 2005.

7.d3 Re8 8.Nbd2 a6 (8...a5 9.b5=) 9.0–0 b6 10.a4 Bb7 11.e4 1–0. GuestLJXM – GuestSKMou, freechess.org, 2017.

7.d3 h6 8.Nbd2 Nbd7 9.0–0 Nh7 10.a3 Ng5 11.Ng5 Bg5 12.Nf3 Be7 13.Qc2 Nf6 14.e4 Nh7 15.Bc1 (15.d4!? ed4 16.Bd4+/–) 15...Ng5 16.Ng5 Bg5 17.Bg5 Qg5 18.Qc1 Qg6 19.g3 (19.Qe3!?=) 19...f5+= 20.Qd1 (20.ef5!? Bf5 21.Qe3+=) 20...fe4–/+ 21.Bh5 (21.de4 Qe4 22.Bd3 Qd4–/+) 21...Qf5 (21...Qf6 22.Kg2 Be6 23.de4 Bc4 24.Be2–+) 22.de4–/+ Qe4 23.Bf3?? (better is 23.Qd6!? Bh3 24.f3 Qc4 25.Rfd1–+) 23...Qc4 (better is 23...Qf3 24.Qf3 Rf3–+) 24.Bg2 d5 Black prepares the advance e4 25.Rc1 Qb5 26.Qd2 e4 27.f3 ef3 28.Bf3 Bh3 29.Bg2 Bg2 30.Kg2 Qb6 31.Rf8 Rf8 32.Rf1?! (32.Qe2 Qd4–+) 32...Qd8 (better is 32...Rf1!? 33.Kf1 Qa6 34.Kg2 Qa3 35.h4–+) 33.Re1 Re8 34.Rf1 Qe7 35.Rf2 Qe4 36.Kh3 Re5 37.Rf4 Qe3 38.Qb2 Re7 39.Rg4 (39.Rf2 a6–+) 39...Qe5 (39...Qe6 40.Qd4 h5 41.Qf4 hg4 42.Kh4 g5 43.Qg5 Rg7 44.Kh5 Rg5 45.Kg5–+) 40.Qf2 (40.Qe5 Re5 41.b5 cb5 42.Rf4–+) 40...Qe6 41.Qa7 h5 (41...h5 42.Kg2 hg4 43.Qb8 Re8–+) 0–1. Fournier,Frederic – kencan (1650), Active, 2008.

7.h3 e4 8.Nd4 c5 9.bc5 dc5 10.Nb3 Nc6 11.a3 a5 (11...Qd6 12.d4 ed3 13.Qd3 Qd3 14.Bd3+=) 12.Nc3 Be6 (12...a4 13.Nc1+=) 13.Qc2 Ne5 (better is 13...Bf5!?+=) 14.Ne4+= Nfd7 (14...Ne4 15.Qe4 Nc6 16.Bg4+/–) 15.d4 (15.Be5 Ne5 16.Nbc5 Bf5+–) 15...cd4+/– 16.ed4 (worse is 16.Bd4 Rc8 17.Nbd2 f5+=) 16...a4 17.Nbc5 (17.de5!? ab3 18.Qb3+/–) 17...Nc5+= 18.dc5 f6 19.0–0 Qc7 Attacks the isolani on c5 20.Be5 Qe5 21.Bf3 Qc7 (21...Bc5 22.Nc5 Qc5 23.Bb7+=) 22.Rfd1 Bf5 23.Qe2 Bc5 (23...Rad8 24.Nd6! Bd6 25.cd6 Rd6 26.Rd6 Qd6 27.Bb7+/–) 24.Nc5 Qc5 25.Bb7 Rae8 26.Qf3 (26.Qf3 Re5 27.Rd5+/–) 1–0. GuestBMBQ – GuestLGJV, freechess.org, 2017.

7.h3 Be6 8.d3 (8.0–0 Qb6+=) 8...Nbd7 9.0–0 d5 (9...Qb6 10.Bc3=) 10.cd5 (10.Ne5 Bb4 11.Nd7 Nd7 12.cd5 cd5=) 10...cd5 (10...Nd5 11.Ne5 Ne5 12.Be5 Bb4 13.a3=) 11.a3 (11.Ne5 Bb4 12.Nd2=) 11...Rc8 (better is 11...Bd6!?=) 12.Ne5+/– a6 (12...Ne5 13.Be5 Nd7 14.Bb2+/–) 13.Nf3 (13.Nd2 Re8+/–) 13...b5 (13...Bd6 14.Nbd2+/–) 14.Nbd2 Nb6 (14...Re8 15.Rc1+/–) 15.Nd4 (15.Bd4 Re8+/–) 15...Qd6 (15...Na4 16.Qb3+=) 16.Ne6 (16.Rc1 Na4 17.Qb3 Nb2 18.Qb2 Qe5+/–) 16...fe6 17.Nb3 (17.Nf3 Nfd7+/–) 17...Rf7 (17...Na4 18.Qd2+=) 18.Nc5 (18.f4 Nfd7+/–) 18...Rcf8 (18...Nfd7 19.Nd7 (worse is 19.Na6 Na4–/+) 19...Nd7 20.Qd2+/–) 19.Bg4 (worse is 19.Na6 Na4 20.Nc5 Nb2+=) 19...Ng4 20.Qg4 (worse is 20.hg4 Nd7 21.Bd4 Nc5 22.Bc5 Qd8+=) 20...Rf6 1–0. GuestCKQB – grnspn, freechess.org, 2016.

7.0–0 a6

8.a3 b5 9.d3 bc4 10.dc4 Be6 11.Nbd2 Nbd7 12.Qc2 Ne8 (12...a5 13.Ng5+=) 13.Rad1 (13.Bd3 f5+=) 13...f5 (13...a5 14.Bd3 ab4 15.ab4+=) 14.e4 fe4 15.Qe4 Qc7? (15...Qb6 16.Nd4 Nef6 17.Qe3+=) 16.Qc2?? (better is 16.Nd4 ed4 17.Qe6 Rf7 18.Bd4+–) 16...Bf5 17.Bd3 Bd3 18.Qd3 Ndf6 (18...a5 19.b5=) 19.Ne4 (19.c5 a5+/–) 19...Ne4+= 20.Qe4 Nf6 21.Qf5 Rf7? (21...Qc8 22.Qc8 Rfc8 23.Rfe1=) 22.Qe6 (better is 22.Ng5 Rff8 23.f4+–) 22...Raf8? (better is 22...Qc8 23.Rd6 Bd6 24.Qd6 e4+=) 23.Ng5+– 1–0. GuestDWBQ – GregJohnstone, freechess.org, 2017.

8.Nc3 b6 9.Qc2 Bb7 10.a3 Nbd7 11.d4 a5 12.de5 de5 13.Rfd1 Qc7 14.b5 c5 (14...Rfd8 15.Rac1=) 15.Rd2 Rad8 16.Rad1 Rfe8 17.e4 Bd6?? (better is 17...h6+/–) 18.Rd6+– h6 19.R6d2 Re7 (19...Nh5 20.Nd5 Bd5 21.cd5+–) 20.Nd5 Nd5 21.ed5 (21.Rd5?! Bd5 22.cd5 Qd6+–) 21...Qd6 22.Bd3 Rde8 23.Re2 g6 24.Rde1 Bc8 25.Qd2 Kg7 26.Qc3 f6 27.Nh4 Nf8 28.Qc2 (better is 28.f4 g5 29.fe5 Re5 30.Re5 Re5 31.Re5 fe5+–) 28...f5 (28...g5 29.Nf5 Bf5 30.Bf5+–) 29.Bf5! gf5 (29...Bf5 30.Nf5 Double attack; 29...gf5 30.Nf5 Double attack) 30.Nf5 (better is 30.f4!? Kg8 31.fe5 Qd8+–) 30...Bf5 31.Qf5 Ng6 32.Qg4 (32.f4 Rf8 33.fe5 Qb8 (33...Rf5?? 34.ed6 Ree5 35.d7+–) 34.e6 Kh7+–) 32...Kh7 33.h4 Nf4 (33...Qf6 34.h5 Nf4 35.Re5 Re5 36.Be5+– (36.Re5?! Re5 37.Be5 Qe5=)) 34.Qf5 Kg7 1–0. Skjoenberg – Ullmann, CiF, 1985.

7.0–0 b6

8.a4 a6 (8...e4!? 9.Nd4 c5+=) 9.Nc3 Bb7 10.d3 c5 11.b5 ab5 12.ab5 Ra1 13.Qa1 Bf3 (13...Qc7!?+=) 14.Bf3+/– (14.gf3?! Qd7=) 14...Nbd7 15.h3 h6 16.Bc6 Nb8 17.Bf3 Nh7 (17...Nbd7 18.Qa4 Nh7+/–) 18.Nd5 Ng5 19.Ne7 (19.Be2!?+/–) 19...Qe7 20.Bd5 Nd7 21.Qe1 Nf6 Black prepares e4 22.Bc6 e4 (22...Ne6 23.Qc3+/–) 23.de4 Nge4 24.Qe2 Ng5 25.h4 (25.Ra1 Nge4+/–) 25...Ne6 26.Qf3 Nd8 (better is 26...Nd7!?+/–) 27.Bf6+– gf6 28.Qg3 Kh8 29.Qf4 Nc6 30.Qh6 Kg8 31.bc6 f5 (31...Rc8 32.Rd1 Qe4 33.Qf6+–) 32.Qf4 (32.Rd1 f6+–) 32...Qf6? (32...Rc8+–) 33.Rd1 Rd8 34.Rd5 (34.c7 Re8 35.Qd6 Qh8+–) 34...Qa1 (34...Kf8+–) 35.Kh2 Qf6 36.Rf5 (36.Rf5 Qe6 37.Qg5 Kh7 38.Rf7 Qf7 39.Qd8 Qc4 40.c7+–) 1–0. GuestJWPC – GuestXXGJ, freechess.org, 2017.

8.d3 Bb7 9.Nc3 Nbd7 10.a4 Re8 11.a5 Bf8 12.a6 Bc8 13.Qb3 Qc7 14.Nd2 c5 (better is 14...Be7!?+=) 15.Bf3+– Rb8?? (15...cb4 16.Nb5 Qb8 17.Ba8 Nc5 18.Qb4 Qa8+–) 16.Nb5 Qd8 17.Na7 cb4 (17...d5 18.Nc6 (worse is 18.cd5 Ra8 19.Nc6 Qc7+–; 18.Nc8?! Rc8 19.b5 e4+–) 18...Qc7 19.Nb8 Qb8 20.cd5 cb4 21.a7+–) 18.Nc6 (18.Nc8?! Rc8 19.Qb4 d5+–) 18...Qc7 19.Nb8 Nb8 (19...Nc5 20.Qd1 Nd3+–) 20.a7 (20.a7 e4 21.a8Q+–) 1–0. Janek – Bertie, internet, 2016.

7.0–0 Qb6

8.a3 =+.

8.b5 a6 9.a4 (9.Nc3 A) 9...e4 10.Nd4 (10.Ne1 ab5 11.cb5 d5 12.d3 cb5 13.de4+=; 10.Ng5 ab5 11.Qb3 Qa5 12.Nge4 bc4 13.Qc4+=) 10...ab5 11.cb5 c5 12.Nb3 d5 13.d3=; B) 9...cb5 10.cb5 ab5 11.Bb5 Nc6 12.Rb1 Be6 13.a4=; C) 9...ab5 10.cb5 cb5 11.Bb5 Nc6 12.Rb1 Be6 13.a4=) 9...ab5 (9...e4 10.Nd4 d5 11.a5 Qd8 12.bc6 Nc6 13.cd5=) 10.ab5 Ra1 11.Ba1 Bg4 (11...cb5 12.cb5 Bf5 13.Nc3=) 12.Nc3 Nbd7 13.d4 Ra8 14.h3 Bf3 15.Bf3 (worse is 15.gf3 ed4 16.Qd4 Qd4 17.ed4 d5+=) 15...Qc7 ½–½. Makowski – Gelencser, Eger, 1982.

8.b5 cb5 9.cb5 Bd7 (9...a6 10.Qa4 (10.Nc3 ab5 11.Bb5 Nc6 12.Qb3 Be6 13.Bc4 Qb3 14.ab3 d5 15.Be2 Bb4; 10.Na3 ab5 11.Qb3 Be6 12.Qb5 Nbd7 13.Ng5 Bd5 14.Rfc1 h6 15.Nf3 Rfc8; 10.a4 ab5 11.ab5 Ra1 12.Ba1 Bf5 13.d4 e4 14.Nfd2 d5 15.Nc3 Nbd7) 10...Bf5 (10...Bg4 11.h3 Bf5 12.Nc3 Nbd7 13.d4 Rfc8 14.Qb4 a5 15.Qb3 Be6; 10...Be6 11.Nc3 Nbd7 12.Ng5 Bf5 13.f4 ab5 14.Qb5 g6 15.Nf3 Rfd8) 11.Nc3 Nbd7 12.d4 Rfc8 13.Rac1 e4 14.Nd2 d5 15.Qb3 Qd6) 10.Nc3 Rc8 (10...a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Bf5 14.Na4 Qa7 15.b6 Qa5) 11.a4 (11.Rc1 Bf5 12.Qb3 Nbd7 13.Na4 Qa5 14.Bc3 Qc7 15.Ng5 Nd5) 11...Bg4 (11...Bf5 12.Qb3 Be6 13.a5 Qc7 14.Qa4 Nbd7 15.d4 ed4) 12.h3 Bh5 (12...Bf5 13.g4 Be6 14.d4 h6 15.a5 Qd8) 13.g4 (13.a5 Qd8 14.d4 Nbd7 15.a6 Rab8) 13...Bg6 14.Nh4 (14.a5 Qd8 15.Nh4 Nbd7) 14...Nbd7 (14...d5 15.Qb3 Nc6) 15.Ng6 (15.g5 Ne8) 15...hg6 16.g5 Nh7 17.h4 Nhf8 18.Nd5 Qd8 19.f4 Rc5 (19...Ne6 20.Bg4+/–) 20.Ne7 Qe7 21.d4 (21.fe5!? Rc7 22.ed6 Qd6 23.Qe1+/–) 21...ed4+= 22.Bd4 Rc7 23.Bg4 Ne6 24.Qf3 Rac8 25.Be6 (worse is 25.Ba7 b6 26.Bb6 Nb6+=) 25...fe6 26.a5 (worse is 26.Ba7 b6 27.Bb6 Nb6–/+) ½–½. Colomer Camarasa,Jordi (1945) – Bosch Sola,Enric (1820), Figueres ESP, 2011.

8.b5 e4 9.Nd4 A) 9...a6 10.d3 (10.a4 d5 11.a5 Qd8 12.bc6 Nc6 13.cd5=; 10.Nc3 ab5 11.cb5 c5 12.Nb3 d5 13.d3=; 10.Qb3 ab5 11.f3 Bd8 12.fe4 bc4 13.Qb6+=; 10.f3 ab5 11.cb5 c5 12.Nb3 d5 13.fe4=; 10.Qc2 c5 11.Nb3 ab5 12.cb5 d5 13.f3=; 10.Qa4 c5 11.Nc2 Be6 12.f3 Nbd7 13.Nc3+=) 10...c5 11.Nb3 ab5 12.cb5 d5 13.de4=; B) 9...d5 10.cd5 c5 11.Nb3 Nd5 12.d3 Rd8 13.Qc2=.

7.0–0 Nbd7

8.a3 e4 9.Nd4 Nb6 10.d3 c5 11.Nb3 Na4 12.Bf6 Bf6 =.

8.a4 a6 9.Qc2 Re8 10.Nc3 d5 11.b5 e4 12.bc6 bc6 13.Nd4 Bb7 14.Nf5 Bf8 15.f4 g6 16.Ng3 Rc8 17.Ba3 (17.Rab1 Rb8+=) 17...Nc5 (17...Ba3!? 18.Ra3 Nc5=) 18.Rab1+= Rc7 19.Kh1 h5 20.Bd1 d4 21.ed4 Qd4 22.Nge2 (22.f5!? Nd3 23.Nce2=) 22...Qc4+= 23.Rb4 (23.f5 Bg7+=) 23...Qe6 (23...Qd3!? 24.Qc1 Rd8–+) 24.f5+= Qe5 25.fg6 fg6 26.Nf4 Bd6 27.g3 Rg7 28.Nce2 (28.Be2 a5 29.Rbb1 h4=) 28...g5 29.Ng2 Nd5 (29...Rf7 30.Ne3 Qe6 31.Rd4+=) 30.Rc4 (30.Rb7!? Nb7 31.Bb2=) 30...Nd3–/+ (30...Nd3 31.Nc3 Nc3 (31...Ba3 32.Re4 Qb8 33.Qd3 Nc3 34.Re8 Qe8 35.Qc3+–) 32.Bd6 Qd6 33.Qc3 Rf8 34.Rf8 Qf8–/+) 0–1. Murawski,Eugeniusz (2015) – Gawronski,Miroslaw (2210), Poland–chT2, 2004.

8.a4 Re8 9.d4 e4 10.Nfd2 Nf8 11.Nc3 Be6 12.Nce4 N8d7 13.Nf6 Bf6 14.Ne4 Be7 15.a5 a6 16.Nd2 Nf6 17.h3 d5 18.c5 Ne4 19.Ne4 de4 20.Qc2 Bd5 21.Bc4 Bc4 22.Qc4 Bf8 23.Rad1 Qd5 24.Qd5 cd5 25.Bc1 Rac8 26.Bd2 Rc6 27.f3 f5 28.fe4 fe4 29.Rf5 Rd8 30.Rdf1 g6? 31.Rf6?? Rf6+/– 32.Rf6 Bg7 33.Rb6+– Rd7 34.b5 ab5 35.Rb5 Kf7 36.Rb6 Ke7 37.a6 ba6 38.Bb4 Kd8 39.Ra6 Kc8?? 40.c6+– Rd8 41.Ra7 Bh6 42.Kf2 Bg5 43.Rh7 Rg8 44.Bd6 Bd8 45.Ra7 g5 46.Ra8 1–0. hal1958 – mrchess, playchess.de, 2003.

8.b5 cb5 9.cb5 Nb6 10.Nc3 Be6 11.Ng5 Bf5 12.Nf3 Be6 (12...Rc8 13.d4 e4 14.Nd2=+) 13.d3 (13.Ng5 Rc8=) 13…Nbd5 (13...Rc8 14.Rc1=) ½–½. Hanel,Edith – Kirchmayr,Elisabeth, AUT–ch (Women), 1994.

8.Qc2 A) 8...Nb6 A1) 9.e4 Nh5 (9...a5 10.c5 Nbd7 11.cd6 Bd6=) 10.d4 ed4 11.Bd4 Nf4=; A2) 9.d3 a5 (9...Bf5 10.Nbd2 Nbd7 11.a3 a5=) 10.a3 Bf5 11.Nbd2 Qc7=; A3) 9.Nc3 Bg4 (9...Be6 10.d3 Qd7 11.Rac1 Rfd8=) 10.Rfd1 Qd7 11.d4 Bf3=; B) 8...Qb6 B1) 9.b5 e4 (9...cb5 10.cb5 e4 11.Nd4 Nc5=) 10.Nd4 Ne5 11.a4 c5=; B2) 9.Nh4 Re8 (9...g6 10.a3 a5 11.Nc3 ab4+=) 10.Nf5 Qb4 11.Ne7 Re7=; B3) 9.d4 e4 (9...ed4 10.Nd4 Ne5 11.Bc3 Re8=) 10.Nfd2 d5 11.a3 a5=; C) 8...Re8 C1) 9.a3 Nb6 (9...e4 10.Nd4 Ne5 11.f4 ef3=) 10.Nc3 Bg4 11.Rfd1 Bf8=; C2) 9.d3 Nf8 (9...a5 10.b5 Nc5 11.Nc3 Bg4=) 10.Nbd2 Bf5 11.Rfd1 a5=; C3) 9.Nc3 Qc7 (9...Qb6 10.a3 a5 11.d4 ed4+=) 10.Rac1 a5 11.b5 Nc5=.

8.Nc3 Qc7 9.d3 (9.d4 ed4 (9...Re8 10.Qc2 ed4 11.Nd4 Ne5=) 10.Nd4 Ne5 11.Qc2 Re8=; 9.Qc2 Re8 (9...Nb6 10.d4 Be6 11.de5 de5+/–) 10.Rac1 Nb6 11.Ng5 h6=; 9.Qb3 Re8 (9...Nb6 10.Rac1 Bg4 11.d4 Rad8=) 10.Rfc1 Nf8 11.d4 Ng6=) 9...Re8 (9...Nb6 10.Rc1 Bf5 11.a3 Rfd8=) 10.h3 (10.Qc2 Nb6 11.d4 Be6=) 10...Nf8 11.Qc2 (11.a3 Bf5=) 11...a5 (11...Ne6=) 12.b5 b6 (12...Bd7 13.Qb3=) 13.Rac1 (13.bc6!? a4 14.d4+/–) 13...c5 14.Nh2 Bb7 15.f4 (15.Bf3!?=) 15...Nh5 1–0. Radwan,Jan (1690) – Wojtowicz,Mieczyslaw (1735), Ogolnopolski Turniej Niepelnosprawnych Poland, 2011.

8.Nc3 d5 9.cd5 cd5 (9...e4 10.Nd4 cd5 11.a3 a5=) 10.Qb3 e4 11.Nd4 Ne5=.

8.Nc3 e4 A) 9.Nd4 Ne5 (9...d5 10.cd5 cd5 11.a3 a5=) 10.Qc2 c5 11.Nb3 Bf5+=; B) 9.Ng5 d5 (9...a5 10.b5 d5 11.cd5 cd5=) 10.cd5 cd5 11.d3 h6=.

8.d3 a5 9.b5 a4 (9...cb5 10.cb5 a4 11.a3 Nb6 12.Nc3 Be6=; 9...Re8 10.Nc3 Nb6 11.d4 Qc7 12.bc6 bc6=; 9...Nb6 10.Nc3 a4 11.a3 Qc7 12.Rc1 Re8=; 9...Qc7 10.Nc3 d5 11.cd5 cd5 12.Rc1 Qd6=; 9...Qe8 10.Nc3 d5 11.d4 e4 12.Nd2 Bd6+=) 10.a3 cb5 11.cb5 Nb6 12.Nc3 Be6 =.

8.d3 Qb6 A) 9.a3 a5 (9...Ng4 10.Nc3 f5 11.h3 Nh6+=) 10.Qa4 Nc5 11.bc5 Qb2=; B) 9.Qd2 Re8 (9...a5 10.b5 Nc5 11.Nc3 Bf5=) 10.Rc1 a5 11.a3 Ng4=; C) 9.Bc3 e4 (9...Ng4 10.h3 Nh6 11.Nbd2 Qc7=) 10.Ng5 ed3 11.Qd3 a5=.

8.d3 Qc7 A) 9.a3 Ng4 (9...Re8 10.Qc2 Nb6 11.c5 Nbd5=) 10.Nc3 f5 11.Qb3 Ndf6=; B) 9.Nc3 Nb6 (9...Re8 10.Qd2 Nf8 11.Rac1 Qd7=) 10.Rc1 Bf5 11.a3 a5=; C) 9.Qc2 a5 (9...Nb6 10.Nbd2 Bg4 11.d4 ed4=) 10.a3 ab4 11.ab4 Ra1=.

8.d3 Re8 A) 9.Nc3 Nf8 (9...Qb6 10.a3 Qc7 11.Qc2 a5+=) 10.d4 e4 11.Nd2 d5=; B) 9.a3 Nf8 (9...a5 10.Nbd2 ab4 11.ab4 Ra1=) 10.Nbd2 Ng6 11.Qc2 Bf5=; C) 9.Qc2 Nf8 (9...Qb6 10.a3 a5 11.Nc3 ab4=) 10.Nbd2 Bf5 11.Rfd1 a5=.

8.d4 a5 9.a3 ab4 0–1. Rooijen Van,Peter (1655) – Broniek,Mariusz Maciej (2280), BI–2010–P–00022, 2010.

8.d4 e4 9.Nfd2 d5 10.a3 a5 11.b5 cb5=.

8.d4 e4 9.Nfd2 d5 10.Qb3 Nb6 (10...dc4 11.Qc4 Nb6 12.Qc2 Bb4=) 11.c5 Nbd7 12.a3 (12.Nc3 b6=) 12...Re8 (12...b6=) 13.Nc3 Nf8 14.Rad1 a6 15.Qc2 Ng6 16.Nb3 Qc7 17.a4 Bg4 18.Bg4 Ng4 19.g3 h5 20.b5 h4 21.b6 Qb8 22.Qe2 Qc8 23.a5 hg3 24.hg3 Qf5 25.Kg2 Nf8 26.Rh1 Ne6 27.Rdf1 Ng5 28.Rh4 Nf3 29.Rh3 Bg5 30.Rfh1 Bh6 31.Rh5 Qd7 32.Nd2 Nd2 33.Qd2 f5 34.R1h3 Rf8 35.Ba1 Rf6 36.Rh1 (36.Kf1 Kf7=) 36...Raf8 37.R5h3 Rg6 38.Rh4 Nf6 39.R4h2 Nh7 40.Qe1 (40.Ne2 Ng5 41.Qc2 Nf3=) 40...Ng5 41.Qc1 Nf3 42.Rh3 f4 43.ef4 Rf4?? (better is 43...Qg4+=) 44.Rh6!+– Rh6 (44...Rh6 45.Qf4; 44...gh6 45.Qf4) 45.Rh6 (45.Qf4 Rh1 46.g4 Rg1 47.Kh3 Qe7 48.Qb8 Kh7 49.Qg3 Qf6 50.Qg1 Qh4 51.Kg2 Qg4 52.Kf1 Qg1 53.Ke2 Qe1) 45...gh6 (45...Ne1 46.Kg1 Nd3+/–) 46.Qf4 (46.gf4?? Qg4 47.Kf1 Qg1 48.Ke2 Qc1 49.Ne4 de4 50.d5 Qe1) 46...Ne1 (46...Ng5 47.Kf1+–) 47.Kf1 Qh3 (47...Nc2 48.Bb2 Nd4 49.Ne4 de4 50.Qb8 Kf7 51.Bd4 Qd4 52.Qb7 Kf8 53.Qc8 Ke7 54.Qc7 Ke6 55.Qc6 Kf7+–) 48.Ke1 Qh1 49.Kd2 Qa1 50.Qb8 Kg7 51.Qb7 Kg6 52.Qc6 Kg7 53.Qd7 Kg6 54.Kc2 Qf1 55.Qd6 Kg7 56.Qe5 (56.Nd5?! Qd3 57.Kb2 Qd2 58.Ka3 Qd3 59.Nc3 Qc3 60.Ka2 Qc2 61.Ka1 Qc1 62.Ka2 Qc2 63.Ka3 Qc3 64.Ka4 Qc4 65.Ka3 Qc3=) 56...Kg6 57.b7 (57.Nd5?! Qe2 58.Kb3 Qd1 59.Kb4 Qb1 60.Kc3 Qc1 61.Kb4 Qb1 62.Ka3 Qa1 63.Kb4 Qb1=) 57...Qd3 58.Kb2 1–0. Bonetti,Shane – Fedal (1690), ICC, 2002.

8.d4 e4 9.Nfd2 d5 10.c5 b6 11.Nc3 Qc7 12.Qc2 Rb8=.

8.d4 e4 9.Ne1 a5 (9...d5 10.c5 b6 11.Nc3 Re8+=) 10.b5 cb5 11.cb5 Nb6+=.

7.0–0 Bf5

8.a4 h6 9.Nc3 a5 10.b5 Nbd7 11.d4 Ne4 (11...Qc7!?=) 12.de5+/– de5 13.Ne4 Be4 14.Ne5 Ne5 15.Be5 cb5 16.cb5 Qb6 17.Bc4 Qg6 18.f3 Bc2 19.Qe2 Bf5 20.Rfd1 Rfd8 21.Bc7 Rd1 22.Rd1 Be6 23.Bd3 Qg5 24.Be4 Bb3 25.Rb1 Bd5?? (better is 25...Qc5 26.Bb7 Bc4+–) 26.f4 Be4 27.fg5 Bb1 28.gh6 gh6 29.Qf3 (29.Qf3 Bg5 30.Bf4 Bf4 31.ef4+–) 1–0. marekt (2170) – rona81 (2010), gameknot.com, 2015.

8.Nc3 Nbd7 9.a4 Qc7 10.d4 ed4 11.Nd4 Bg6 12.f4 Be4 13.Ne4 Ne4 14.Bd3 d5 15.cd5 cd5 16.Rc1 Qb6 17.Be4 de4 18.Nf5! Bf6! 19.Bf6 Nf6 20.Qd4 Qd4 21.Nd4 Nd5! 22.Nc2 Nc3 23.Nd4 Nd5 24.Nc2 Rac8 25.Kf2 Rc4 26.Nd4 Rfc8 27.Rc4 Rc4 28.Rb1 Nb4 29.a5 Nd3 30.Ke2 Rb4 31.Rb4 Nb4 32.Nb5 Nc6 33.a6! ba6 34.Nd6 Kf8 35.Ne4 Ke7 36.Kd2 a5 37.Kc3 a4 38.Nc5 a3 39.Kb3 Na5 40.Ka2 f5 41.Nb3 Nc4 42.Nd4 Ne3 43.g3 g6 44.Ka3 Ng4 45.Nf3 h6 46.Kb4 Ke6 47.Kc5 a5 48.Nd4 Kf6 49.h3? Nf2 50.Kb5 Nh3 51.Ka5 Nf2 52.Kb4 Ne4 53.Ne2 g5 54.Kc4 h5 55.Kd4 gf4 56.gf4 h4 57.Ke3 Kg6 58.Kf3 Kh5 59.Nd4 Kg6?? 60.Kg2 Ng3 61.Kh3 Kh5 62.Ne6 Ne2 63.Ng7 Kg6 64.Nf5 Kf5 65.Kh4 Kf4 ½–½. Plock,Joerg (1700) – Peters,J (1835), Eintracht, 2002.

8.Nc3 h6 9.d4 e4 10.Nd2 d5 11.cd5 cd5 12.b5 a6 13.a4 Nbd7 14.Qb3 Be6 15.Rfc1 a5 16.Rc2 Bb4 17.Rac1 Nb6 18.Ba3 Ba3 19.Qa3 Rc8 20.f3 (better is 20.Nb3+/–) 20...ef3+= 21.Nf3 Bf5 22.Rd2 Ne4 23.Rdd1 Nc3 24.Rc3 Rc3 25.Qc3 Na4 26.Qa3 Nb6 27.Qa5 Qd6 28.Rc1 Ra8 29.Qd2 Re8 30.Kf2 Be4 31.Bd3? (better is 31.Kg1!?=) 31...Bf3–/+ 32.gf3? (better is 32.Kf3 Qh2 33.Qe1–/+) 32...Qh2–+ 33.Ke1 Qh1?? (33...Qg1 34.Ke2 Qg2 35.Kd1 Qf3 36.Be2 Qh1 37.Qe1–+) 34.Ke2? (better is 34.Kf2 Qh4 35.Kg2–/+) 34...Qg2–+ 35.Kd1 Qf3 (35...Qf3 36.Qe2 Qe3–+) 0–1. Van Esbroeck,Dirk – Tjiptadi,Kudus, SF–2009–0–00034, 2009.

8.d3 Nbd7 9.Nbd2 a6 10.a4 d5 11.cd5 cd5 (11...Nd5? 12.e4+–) 12.Qb3 (12.Ne5 Bb4 13.Ndf3 Qa5=) 12...e4 (better is 12...Bd6!?+=) 13.de4+= de4 14.Nd4 Bg4 (better is 14...Bg6!?+=) 15.Bg4+/– Ng4 16.Ne4 Qc7 17.g3 Nde5 18.Rac1 Qd7 19.Nc5 Qd6 (19...Bc5 20.bc5 Rad8+/–) 20.Kg2 (20.Nf5 Qf6 21.f3 Bc5 22.fg4 Bb6+–) 20...Kh8? (better is 20...b6 21.Nf5 Qf6 22.Ne7 Qe7 23.Be5 Ne5+=) 21.Nb7 (better is 21.Nf5!? Qf6 22.e4 (worse is 22.Ne7 Qe7 23.f3 b6+/–) 22...Bc5 23.bc5+–) 21…a5 1–0. Fournier,Frederic (1955) – 9110 (1840), Active (5/0), 2004.

8.d4 Nbd7 9.de5 de5 10.Ne5 Qc7 (better is 10...Ne5!? 11.Be5 Bb4 12.Qd8 Rfd8 13.Bf6 gf6=) 11.Nd7+/– Nd7 12.Qb3 a5 13.a3 a4 14.Qc3 Bf6 15.Qc1 Ne5 16.Nd2 Bd3 17.Re1 (better is 17.Be5 Qe5 18.Bd3 Qa1 19.Bh7 Kh8 20.Qa1 Ba1 21.Ra1+=) 17...Be2+= 18.Be5?? (18.Re2 Nd3 19.Qc2 Bb2–/+) 18...Be5?? (better is 18...Qe5 19.Qc2 Qh5–+) 19.Re2+= Ba1 20.Qa1 Rad8 21.c5 Qd7 22.Nc4?? (better is 22.Nf3+=) 22...Qd3 23.Qa2 (23.Re1 Qc4 24.Rc1–+) 23...Qd1 0–1. carocan (1725) – kajama123, kurnik, 2011.

7.0–0 Bg4

8.a4 Bf3 9.Bf3 Nbd7 (9...e4 10.Be2=) 10.d4 e4 11.Be2 d5 12.Qb3 White plans b5 (12.c5 Rb8=) 12...Qb6 (12...dc4 13.Bc4 Nb6 14.Be2+=) 13.c5 Qc7 14.Nc3 White prepares the advance b5 14...a6 15.b5 ab5 (15...b6 16.cb6 Qb6 17.a5+=) 16.ab5+/– Ra1 17.Ra1 h6 18.h3 (18.b6 Qc8+/–) 18...Nh7 (18...Qb8!?+/–) 19.Ra7 Qb8 20.bc6 Qa7 21.cd7 Rd8 22.Nd5 Rd7 23.Bb5 (23.Ne7?! Re7 24.d5 Rd7+=) 23...Rd5 24.Qd5 Qa5 (24...Nf6 25.Qb3 b6+–) 25.Qb7 Bf8 26.Bc4 Qe1 (26...Ng5 27.h4 Qe1 28.Bf1+–) 27.Bf1 Qd2 (27...Qa5 28.Qe4 Nf6+–) 28.c6 (28.c6 Bd6 29.Ba3 Ba3 30.c7+–) 1–0. Janek – Kevin, internet free game, 2016.

8.d3 Nbd7 9.a3 Re8 10.Nbd2 Bf8 (10...a5 11.h3 Be6 12.Ng5=) 11.h3+= Bh5 12.Qc2 d5 13.Rac1 a5 14.Rfe1 (better is 14.b5!?=) 14...ab4–/+ 15.ab4 Bb4 16.cd5 Nd5 17.e4 (17.Ra1!?–/+) 17...Nf4–+ 18.Bf1? (better is 18.Bc3 Bc3 19.Qc3–+) 18...Bf3 19.Nf3 Be1 20.Re1 Qa5 (20...c5 21.g3 Ng6 22.Bc1–+) 21.Ra1 Qc5 22.Qc5 (22.Ra8 Ra8 (22...Qc2?! 23.Re8 Nf8 24.Be5+=) 23.Qb3 Qd6–+) 22...Nc5 23.Ne5 (23.Ra8 Ra8 24.Ne5 Rd8–+) 23...Ra1 24.Ba1 f6 25.d4 Ne4 (25...fe5?! 26.dc5 Kf7 27.g3–+) 26.Bc4 Nd5 27.Nd7 (27.Nf3 Ra8 28.Bb2 Ra4–+) 27...Nd2 (27...Nd6 28.Bd5 cd5 29.Kh2–+) 28.Bd5 cd5 29.Bc3 Ne4 (29...Re1 30.Kh2 Nf1 31.Kg1–+) 30.Bb4 Rd8 31.Nb6 Kf7 32.f3 Ng3 33.Kf2 Nf5 34.Bc5 Ke6 35.g4 Nd6 36.Kg2 Nc4 37.Na4 Ra8 38.Nc3 (38.Nb6 Ra6 39.Nc4 dc4–+) 38...Ra1 (better is 38...b6!? 39.Bb4 Ne3 40.Kf2–+) 39.Kg3 Rc1 (39...b6 40.Bb4–+) 40.Nb5? (40.Ne2 Rf1 41.Nf4 Kd7 42.Nd5 Nd2–+) 40...Ne3 (40...b6 41.Bb4 Kd7 42.Nc3–+) 41.Nc7 (41.Kf2 Rb1 42.Nc7 Kd7 43.Ke3 Kc7–+) 41...Kd7 42.Nb5 Rb1 43.Nc3 Rb3 44.Ne2 b6 45.Bf8 g6 (45...g5 46.Kf2–+) 46.Bg7 Ke6 47.Nf4 (47.Kf2–+) 47...Kf7 48.Bh6 b5 0–1. GuestRSYN – GuestKNTH, freechess.org, 2017.

8.d4 Nbd7 9.Nbd2 Qc7 10.a3 A) 10...Bf5 11.Nh4 (11.Rc1 h6 12.Nh4 Bh7 13.f4 ef4 14.ef4+=) 11...Be6 12.f4 ef4 13.Rf4 d5 14.Nf5=; B) 10...Rfe8 11.Qc2 (11.e4 c5 12.d5 Nb6 13.Rc1 cb4 14.ab4=; 11.Bd3 ed4 12.Bd4 Ne5 13.Be2 Bf3 14.Bf3=; 11.Qb1 a5 12.Qd3 ed4 13.Qd4 c5 14.Qc3=) 11...c5 12.Rfe1 ed4 13.ed4 a5 14.bc5+=; C) 10...Rfd8 11.Qc2 (11.e4 a5 12.Qc2 c5 13.bc5 ed4 14.c6=; 11.Bd3 ed4 12.Bd4 c5 13.Bc3 Ne5 14.Be2=) 11...ed4 12.Bd4 c5 13.Bb2 cb4 14.ab4=; D) 10...e4 11.Ng5 Be2 12.Qe2 d5 13.cd5 cd5 14.f3=.

8.d4 Nbd7 9.Nbd2 Qc7 10.Qb1 A) 10...a5 11.b5 a4 12.h3 Bf3 13.Bf3 a3 14.Bc3=; B) 10...Rfe8 11.a3 (11.Rd1 ed4 12.Bd4 c5 13.Bc3 cb4 14.Qb4=; 11.h3 Bh5 12.a3 a5 13.e4 ed4 14.Bd4=; 11.Bd3 ed4 12.Nd4 Ne5 13.h3 Bh5 14.Nf5=; 11.e4 ed4 12.Nd4 d5 13.cd5 cd5 14.Rc1+=) 11...a5 12.Qd3 ed4 13.Qd4 Ne5 14.Rfd1=; C) 10...b6 11.b5 (11.a3 Rfe8 12.h3 Bh5 13.Qc2 a5 14.Rfd1=; 11.h3 Bh5 12.b5 cb5 13.cb5 Qb7 14.e4=; 11.Bd3 a6 12.h3 Bh5 13.Ng5 h6 14.Nge4=; 11.Rd1 c5 12.h3 Bh5 13.a3 Rfe8 14.bc5=; 11.a4 Rfe8 12.h3 Bh5 13.b5 ed4 14.Nd4=) 11...c5 12.h3 Bh5 13.Bd3 a6 14.Ng5+=; D) 10...ed4 11.Bd4 c5 12.Bc3 cb4 13.Qb4 Nc5 14.Rfd1=.

8.d4 Nbd7 9.Nbd2 Qc7 10.Rc1 A) 10...Rae8 11.a3 (11.h3 Bh5 12.a3 a5 13.b5 c5 14.g4=; 11.e4 Bf3 12.Bf3 Qb6 13.de5 Ne5 14.Bc3=; 11.Bc3 e4 12.Ng5 Be2 13.Qe2 d5 14.cd5=; 11.Qc2 c5 12.b5 cd4 13.ed4 e4 14.Ne4+=) 11...a5 12.h3 Bh5 13.Bd3 ab4 14.ab4=; B) 10...Rfe8 11.a3 (11.Bc3 b6 12.h3 Bh5 13.g4 Bg6 14.Nh4=; 11.h3 Bh5 12.g4 Bg6 13.Nh4 Nf8 14.f4=; 11.e4 Bf3 12.Bf3 Qb6 13.de5 Ne5 14.Bc3+=) 11...a5 12.b5 Rac8 13.e4 ed4 14.Nd4+=; C) 10...e4 11.Ng5 Be2 12.Qe2 d5 13.cd5 Nd5 14.Nde4=.

8.d4 Nbd7 9.Nbd2 Qc7 10.Qc2 Rac8 (10...ed4 A) 11.Nd4 Be2 12.Ne2 d5 13.a3 a5 14.c5=; B) 11.Bd4 c5 12.Bf6 Nf6 (12...Bf6 13.Ng5 Bg5 14.Bg4+=) 13.a3 Rfc8 14.Rfd1=; C) 11.ed4 d5 12.c5 a5 13.b5 Rfe8 14.Rfe1=) 11.h3 (11.a3 b6 12.Bd3 ed4 13.Bd4 Ne5 14.Bf5+=; 11.Bd3 ed4 12.Nd4 Ne5 13.Bf5 Bf5 14.Qf5+=; 11.Rfe1 ed4 12.Nd4 d5 13.c5 b6 14.Bg4=; 11.Rae1 Ra8 12.Bc3 Rfe8 13.a3 ed4 14.Nd4=) 11...Bh5 (11...Be6 12.Bd3 ed4 13.Nd4 d5 14.cd5+=) 12.Bd3 (12.a3 ed4 13.Bd4 c5 14.Bb2=) 12...Bg6 (12...ed4 13.Bd4 c5 14.Bf6 Nf6 15.a3+=) 13.Bg6 fg6 14.Ng5 (14.Rfd1+=) 14...Rfe8 15.Ne6 Qb8 16.de5 de5 17.c5 Bf8 (17...b6!? 18.Qc4 Kh8+=) 18.Qb3 Kh8 19.Ng5 h6 20.Nf7 Kh7 21.Nc4 b5 (better is 21...b6!? 22.Nfd6 Bd6 23.Nd6 bc5 24.Nc8 Rc8 25.bc5 Ne4+–) 22.Ncd6+– Bd6 23.Nd6 (23.cd6?! c5 24.bc5 Nc5=) 23...Re7 (23...a5 24.Ne8 Re8 25.a3+–) 24.Nc8 Qc8 25.a4 Qg8? (25...Qb7+–) 26.Qg8 Kg8 (26...Ng8 27.ab5 cb5 28.Rfc1+–) 27.ab5 cb5 (27...Nb8 28.bc6 Nc6 29.b5+–) 28.Ra7 Kf7 29.Rb7 e4 (29...Nd5 30.c6 N7f6 31.Rd1+–) 30.c6 1–0. pierred – jdrei_27, internet, 2008.

8.d4 Nbd7 9.Nbd2 Qc7 10.e4 A) 10...Rfe8 11.a3 (11.Qc2 ed4 12.Bd4 c5 13.bc5 dc5 14.Bc3=; 11.Re1 Bf3 12.Nf3 Ne4 13.de5 de5 14.c5=; 11.Bc3 ed4 12.Nd4 Be2 13.Ne2 Rad8 14.Rc1=; 11.Rb1 ed4 12.Bd4 c5 13.Bc3 cb4 14.Bb4=) 11...ed4 12.Nd4 Be2 13.Qe2 d5 14.cd5=; B) 10...Bf3 11.Nf3 Ne4 12.Bd3 f5 13.Re1 Rae8 14.Qc2=.

8.d4 Nbd7 9.Nbd2 e4 10.Nh4 (10.Ne1 Be2 11.Qe2 d5 12.a3 Bd6 13.f3 Qe7 14.Nc2+=; 10.Ng5 Be2 11.Qe2 d5 12.a3 a5 13.b5 Rc8 14.cd5+=) 10...Be2 11.Qe2 d5 12.c5 g6 13.g3 b6 14.f3=.

8.h3 Bf3 9.Bf3 Nbd7 (9...e4 10.Be2=) 10.d3 (10.Nc3 Nb6 11.d3 d5=) 10...d5 11.b5 (11.a3 dc4 12.dc4 a5=) 11...dc4 12.dc4 e4 13.Be2 Nc5 (13...Rc8 14.Nd2=) 14.Qc2 Qc7 (14...cb5 15.Rd1 Qa5 16.cb5=) 15.Nc3 (15.Nd2 a6=) 15...b6 (15...Rad8 16.Rad1=) 16.Rad1 (16.Rfd1 Rfd8=) 16...Rad8 (16...a6 17.bc6 Qc6 18.Nd5 Nd5 19.cd5=) 17.a4 (17.Rd4 cb5 18.cb5 Rd4 19.ed4 Ne6=) 17...Rd1 18.Rd1 Rd8 19.Rd4 e4 becomes the focus of attention 19...Ne6? (better is 19...Bd6!?=) 20.Rd8+/– Bd8 (20...Qd8!? 21.Ne4 Ne4 22.Qe4 Nc5+–) 21.Ne4+– Ne4 (21...Nd7 22.Ba3+–) 22.Qe4 Nc5?? (better is 22...cb5 23.ab5 Qc5+–) 23.Qe8 1–0. DEFFM – GuestLVDJ, freechess.org, 2016.

7.0–0 h6

8.Nc3 Qb6 9.a3 =.

8.Nc3 Nbd7 9.Qb3 (9.a3 a5=) 9...Kh8 (9...Re8 10.d4+=) 10.d3 (10.d4 a5+=) 10...Nb6 11.c5 (11.d4 e4 12.Nd2 Be6+=) 11...dc5 12.bc5 Bc5 13.Ne5 Be6 14.Qc2 Bd6 15.f4 Qc7 (15...Re8 16.Bf3=) 16.Ne4 (16.Bf3 Nbd7 17.d4 Nb6= (17...Ne5? 18.fe5 Be5 19.de5+–)) 16...Ne4 17.de4 Nd7 (17...Rad8 18.a4=) 18.Nd7+= Bd7 (18...Qd7? 19.f5+–) 19.Qc3 White intends f5 (19.Rfd1 Rfd8+=) 19...Rg8 (19...f6 20.e5 Be7 21.Qc2=) 20.e5+= Be7 21.Bh5 (21.f5 c5+=) 21...Rgf8 22.f5 Qb6 23.f6 gf6 24.ef6 Bc5 (24...Bb4 25.Qc1+=) 25.Rf3 (25.Ba3!? Ba3 26.Qa3+=) 25...Rae8 Attacks the backward pawn on e3 (better is 25...Be6 26.a4 Rg8+=) 26.Qd3?? (better is 26.Ba3 Ba3 27.Qa3=) 26...Be3 (26...Qb2 27.Re1 Rg8 28.Re2 Qc1 29.Rf1 Be3 30.Qe3 Qe3 31.Re3 Re3 32.Bf7–+) 27.Kf1? (27.Re3 Re3 28.Qd4–+) 27...Qb2 28.Rd1 Bb6 (better is 28...Rg8 29.Qe2 Qe2 30.Ke2 Rg2 31.Kd3 Bg5–+) 29.Rd2 (29.a4 Be6 30.Qc3 Bc4 31.Qc4 Rg8–+) 29...Qe5 (better is 29...Qc1 30.Rd1 Qc5 31.Qd4 Qh5 32.Qf4–+) 30.Qe2 (30.g4 Be6 31.Qd6 Bc4 32.Kg2 Qd6 33.Rd6 Re2 34.Kh1 Ra2 35.Rd7–+) 30...Qh5 31.Qd3 Qh2 32.Re3 Be3 0–1. Goldmund,Heike – Strohmeier,Josef, FICGS, 2014.

8.Nc3 Bf5 9.a3 (9.d4 e4 10.Nd2 d5=) 9...Nbd7 (9...e4 10.Nd4 Qd7 11.f3 ef3 12.Nf5 Qf5 13.Rf3+/– (worse is 13.gf3 Qg6 14.Kh1 Re8+=)) 10.d4 Re8 (10...e4 11.Nd2=) 11.Qb3 (11.Bd3 e4 12.Bc2 d5=) 11...ed4 (11...e4 12.Nd2=) 12.Nd4+= Bg6 13.Rfd1 Rc8 (13...Ne5 14.f4 Ned7 15.f5+=) 14.Rd2 (14.Bd3 Bd3 15.Rd3 Ne5=) 14...Bf8 (14...Ne5 15.Rad1+=) 15.Rad1 Qb6 (15...Be7 16.Bd3 Bd3 17.Rd3+=) 16.Bd3+= Bd3 17.Rd3 Ne5 18.R3d2 c5 (18...Be7 19.Nf5 Qa6 20.b5+/–) 19.Na4+/– Qd8 20.Nb5 Ne4 21.Be5 (21.Rc2 a6 22.Nbc3 Nc3 23.Bc3 Qc7+=) 21...Nd2= 22.Rd2 Re5 23.Na7 (23.Na7 Ra8 24.Nb5 cb4 25.ab4=; 23.Nc5 Qb6 24.Nd7 Qc6 25.Ne5 de5 26.Na7 Qc4 27.Qc4 Rc4+/–) 1–0. Van Rooijen,Peter (1730) – Bianchi,Luis Carlos (1700), T16–05 TSC, 2003.

8.d3 a5 9.b5 cb5 10.cb5 Be6 11.Nc3 Nbd7 12.e4 Nc5 13.d4 =.

8.d3 Qb6 9.a3 a5 10.Qb3 ab4 11.Nbd2 Na6 12.ab4 Bg4 13.Bc3 =.

8.d3 Be6 9.Nc3 Nbd7 10.a4 a5 11.b5 Qc7 12.Rc1 Rfe8 13.Nd2 Rec8 14.Bf3 Qd8 15.Re1 d5 16.g3 dc4 17.Nc4 Bc4 (17...cb5!? 18.ab5 Ra7+=) 18.dc4= Bb4 19.Qe2 Nc5 Black prepares e4 20.Red1 Qe7 Black plans e4 21.Qc2 e4 22.Bg2 Re8 23.Rb1 Nh7 24.Ne2 Rac8 25.Bh3 Rcd8 26.Nd4 Ng5 27.Bg2 Qc7 28.Ba1 f6 29.h4 Nf7 30.Nf5 Nd6 (30...cb5 31.cb5 Rd3 32.Rd3 ed3 33.Qd1=) 31.Bh3 (better is 31.b6!? Qb8 32.Nd6 Rd6 33.Bd4+=) 31...Nd3+= 32.Nd4 cb5 33.Ne6 (better is 33.cb5!? Qf7 34.Bc3=) 33...Qc4–/+ 34.Qc4 bc4 35.Nd8 Rd8 36.Be6 Kf8 37.Bd4 Ke7 38.Bd5 c3 39.Bb3 Nf5 40.Bb6 Rd6 41.Ba7 Ra6 42.Bd4 Rd6 43.Ba7 b6 (43...g6 44.Kf1–+) 44.Bc2 Kd8 45.Bb8 Rd7 46.h5 Ne7 47.f3 (47.Kf1 Bc5 48.Ke2 Nc6 49.Bd3 ed3 50.Rd3 Nb8 51.Rc3 Bb4–+) 47...f5 (better is 47...Bc5!? 48.Bf4 Nd5 49.fe4 N5b4 50.Rd3 Nd3–+ (worse is 50...Rd3 51.Bd3 c2 52.Bc2 Nc2 53.Rd1 Ke7 54.Kf2+–)) 48.fe4 fe4 49.Rf1? (better is 49.Kf1 Bc5 50.Bf4–+) 49...Nd5–+ 50.Bf4 Bc5 (50...N3f4?! 51.ef4 Bc5 52.Kh1–+; 50...N5f4?! 51.ef4 Kc7 52.f5–+) 0–1. Djurisic,Dusan (1990) – Stojanovic,Andjelija (2370), Belgrade–ch, 2009.

8.d3 Be6 9.Nbd2 a5 10.b5 a4 11.bc6 Nc6 12.Rb1 Qc7 13.e4 =.

8.d3 Re8 9.a3 Bg4 10.h3 (10.Nc3 Nbd7 11.e4 a5 12.d4 Bf3 13.Bf3=; 10.Nbd2 a5 11.Qb1 Nbd7 12.d4 ab4 13.ab4=; 10.Ne1 Be2 11.Qe2 a5 12.Nf3 Qb6 13.ba5=; 10.Nfd2 Be6 11.d4 ed4 12.Bd4 c5 13.Bb2=; 10.Qc2 a5 11.Nc3 Qb6 12.h3 Bf3 13.Na4=; 10.Nd4 Be2 11.Ne2 Nbd7 12.Nbc3 d5 13.cd5=; 10.Qb3 Nbd7 11.Nc3 a5 12.b5 Qc7 13.h3=; 10.Bc3 Nbd7 11.h3 Be6 12.Qc2 Qc7 13.Nbd2=; 10.Re1 a5 11.Nc3 ab4 12.ab4 Ra1 13.Qa1=) 10...Bf3 11.Bf3 Nbd7 12.Nc3 Nb6 13.Be2 +=.

8.d3 Bg4 9.Nfd2 Be6 10.a3 Qb6 11.d4 a5 12.de5 de5 13.Be5 +=.

8.d3 Nh7 9.Nbd2 f5 10.a4 (10.c5 Be6+=) 10...a6 (10...Be6 11.Qb3+=) 11.Rc1 f4 (11...Be6 12.Bc3+=) 12.c5 Nd7 13.Nc4 d5 (13...Qc7 14.Qb3 Kh8 15.cd6 Bd6 16.Qc3+/– (16.Nd6?! Qd6 17.e4 Nhf6+=)) 14.Nce5 Ne5 15.Ne5 Nf6 (15...fe3!? 16.fe3 Bf6+/–) 16.ef4 (16.Ng6 Re8+–) 16...Bf5 17.g4 Bc8 18.Re1 Nd7 19.Ng6 Rf7 20.Qd2 Bf6 21.d4 Nf8 (21...Bh4 22.Ne5 Re7 23.Nf3+–) 22.Ne5 Be5 (22...Rc7 23.Rc3+–) 23.de5 (23.fe5?! Qh4 24.Qe3 Bg4+/–) 23...Ne6 (23...g6 24.Rc3+–) 24.f5 Ng5 25.Qe3 Ne4 26.e6 Rf8 (26...Re7 27.Bd3+–) 27.f3 Qg5 28.Qd4 Nf6 29.Qe5 (29.f4 Qh4 30.Qf2 Qf2 31.Kf2 Ne4 32.Ke3 Re8+–) 29...Re8 30.f4 Qh4 31.Bd4 h5 (31...Rf8+–) 32.g5 Rf8 (32...a5 33.Qc7 Be6 34.fe6 Re6 35.Bf6 Rf6 36.gf6 Qf6 37.ba5+–) 33.gf6 Rf6 (33...gf6 34.Qc7 Be6 35.fe6+–) 34.Kg2 b5 (34...Be6 35.Bf2 Qf2 36.Kf2 Bf5 37.Bh5+–) 35.cb6 Bb7 36.Bf2. Janek – zandar, internet, 2017.

8.d4 e4 9.Nfd2 Be6 =.

8.Ne1 a5 9.b5= A) 9...Nbd7 10.Nc3 (10.d4 ed4 11.Bd4 Ne5 12.Nc3 Be6 13.Nf3 Nc4 14.bc6) 10...Nb6 11.bc6 bc6 12.Nf3 Be6 13.d3 Rb8 14.Qc2; B) 9...Be6 10.Nc3 Nbd7 11.Nf3 Qc7 12.a4 Rac8 13.d4 Nb6 14.de5; C) 9...cb5 10.cb5 Be6 11.Nc3 Nbd7 12.f4 ef4 13.Rf4 d5 14.Nd3.

8.Ne1 Na6 9.a3 A) 9...Re8 10.Nc3 (10.Qc2 e4 11.Nc3 Bf5 12.f3 ef3 13.Qf5 fe2 14.Ne2) 10...Bf5 11.f4 Qd7 12.Nf3 ef4 13.Nd4 Bg6 14.Rf4; B) 9...Qc7 10.Nc3 (10.f4 ef4 11.Rf4 d5 12.Nf3 Nh5 13.Rd4 Bf6 14.cd5) 10...Bf5 11.Nf3 Qd7 12.d4 e4 13.Nh4 Bh7 14.g3; C) 9...Bf5 10.Nc3 Qd7 11.f4 Rfe8 12.Nf3 ef4 13.Nd4 Bg6 14.Rf4.

8.Ne1 Qb6 A) 9.Qa4 A1) 9...Be6 10.f4 (10.Nc3 Nbd7 11.Nf3 c5 12.b5 e4 13.Nh4 Ne5 14.f4) 10...Na6 11.fe5 de5 12.Be5 Nb4 13.a3 Nd7 14.Bc3; A2) 9...Na6 10.Ba3 (10.Nd3 e4 11.Nf4 g5 12.Nh5 Nh5 13.Bh5 Qb4 14.Qc2) 10...c5 11.b5 Bd7 12.Nc3 Nc7 13.Qb3 a6 14.ba6; A3) 9...Nbd7 10.Nc3 (10.Qa3 a5 11.Nc2 e4 12.b5 cb5 13.cb5 Re8 14.Bd4) 10...Nc5 11.Qa3 Nce4 12.Nf3 Bf5 13.d3 Ng5 14.Qb3; B) 9.Nd3 B1) 9...Na6 10.Nc3 e4 11.Na4 Qc7 12.Nf4 Nb4 13.Qb3 c5 14.Rab1; B2) 9...Be6 10.c5 (10.Qb3 Nbd7 11.Nc3 Qc7 12.b5 a6 13.bc6 bc6 14.Na4) 10...Qc7 11.cd6 Bd6 12.f4 e4 13.Nf2 Nbd7 14.Nc3; B3) 9...e4 10.Nf4 Bf5 11.g4 Bh7 12.Bd4 Qc7 13.Nc3 Nbd7 14.h4; C) 9.Nc3 C1) 9...Be6 10.Na4 (10.Qb3 Nbd7 11.f4 a5 12.f5 ab4 13.Na4 Ra4 14.Qa4) 10...Qc7 11.f4 ef4 12.ef4 a5 13.b5 cb5 14.cb5; C2) 9...Qb4 10.Nd3 (10.Rb1 Qa5 11.Qb3 Nbd7 12.Nf3 Nc5 13.Qa3 Qc7 14.d4) 10...Qa5 11.Qb3 Nbd7 12.f3 Nb6 13.Nf2 Be6 14.Nfe4.

8.Ne1 Nbd7 9.Nc3 A) 9...Nb6 10.Nf3 (10.Qb3 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Bf5 14.Bb2) 10...a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Be6 14.Qa2; B) 9...a5 10.b5 (10.a3 Nb6 11.Nf3 Bf5 12.d4 e4 13.Nd2 Qc7 14.Qc2) 10...Nb6 11.bc6 bc6 12.Nf3 Rb8 13.Qc2 Be6 14.d3.

8.Ne1 Nbd7 9.d3 Re8 (9...d5 10.a3= (10.b5 Qa5 11.Nc3 d4 12.ed4 ed4 13.Ne4 cb5 14.cb5) 10...a5 11.cd5 cd5 12.d4 e4 13.Nd2 Nb6 14.ba5; 9...Qb6 10.Bc3 (10.Nf3 a5 11.b5 cb5 12.cb5 Qb5 13.Qc2 Qc6 14.Nc3) 10...d5 11.c5 Qc7 12.Nd2 b6 13.cb6 ab6 14.Nef3; 9...a5 10.b5 (10.a3 ab4 11.ab4 Ra1 12.Ba1 d5 13.Bc3 Qb6 14.Nc2) 10...Nc5 11.Nc3 a4 12.Nc2 Bf5 13.Rb1 Qa5 14.f4) 10.Nd2 (10.Nf3 Qb6 11.Bc3 (11.a3 a5 12.Nc3 ab4 13.Na4 Ra4 14.Qa4) 11...e4 12.de4 Ne4= 13.Qb3 Ndf6 14.Nbd2; 10.Nc3 a5 11.a3 d5 12.cd5 cd5 13.ba5 Ra5 14.a4; 10.a3 d5 11.cd5 cd5 12.d4 e4 13.Nc3 Nb6 14.Rc1) 10...Nf8 (10...Qb6 11.a3= a5 12.Bc3 ab4 13.ab4 Ra1 14.Qa1; 10...a5 11.a3 d5 12.Nc2 Qc7 13.cd5 Nd5 14.Nc4) 11.a4 (11.Nef3 Ng6 12.Qc2 a5 13.b5 cb5 14.cb5) 11...Ng6 (11...a5 12.b5 Ne6 13.Nef3 Qc7 14.Qc2) 12.g3 (12.Nef3 Qc7= (12...Bf5 13.b5 Qc7 14.Qb3) 13.Ne4 a5 14.b5) 12...Bh3 13.Ng2 Qd7 (13...d5 14.Qb3–/+ (14.b5+=)) 14.Re1 (14.d4 Qe6+=; 14.Ne4+=) 14...Rad8 (14...d5 15.c5+=) 15.e4 (15.f4 Ng4+=) 15...a6 (15...d5 16.Qb3–/+) 16.Nf3 (16.Rb1 d5 17.ed5 Bb4 18.Be5 Bd2 19.Bf6 Be1 20.Bd8 Bf2 21.Kf2 Rd8=) 16...Bf8 (16...d5 17.c5 Bg2 18.Kg2 de4 19.Ne5 Ne5 20.Be5 ed3 21.Bf3–+) 17.Nfh4 (17.Qd2!?+=) 17...Nh4–/+ 18.Nh4 d5 19.Qb3 de4 20.de4 Ne4 21.Rad1 Qc7 22.Rd8 (22.c5 Ng5+=) 22...Rd8 23.Bd3 (better is 23.c5!? Be7 24.Qe3=) 23...Nd2–/+ 24.Qc2 e4 25.Be4 Ne4 26.Qe4? (26.Re4 Qb6 27.Bc3 Bb4 28.Re1–+) 26...Bb4–+ 27.Rb1 Qd7 28.Qf3 (28.Qe2 c5–+) 28...Qd3 (28...Qd2!? 29.Be5–+) 29.Rd1?? (29.Qd3 Rd3 30.Be5–+) 29...Qd1 0–1. Barreiro Pineiro,J (1975) – Rodriguez Calvo,M (2120), Adolfo Pedrido Mem, Vilagarcia de Arous, 2006.

8.Ne1 Nbd7 9.d4 A) 9...ed4 10.Qd4 (10.Bd4 a5 11.b5 c5 12.Bb2 Ne5 13.f4 Ned7 14.Nd2) 10...a5 11.b5 Nc5 12.Nc3 a4 13.Bf3 a3 14.Bc1; B) 9...a5 10.b5 ed4 11.Qd4 Nc5 12.Nd2 Ne6 13.Qd3 Qc7 14.Nef3; C) 9...e4= 10.Nd2 (10.Nc3 Nb6 11.d5 Bf5 12.Nc2 cd5 13.cd5 Bg6 14.Rc1) 10...a5 11.b5 cb5 12.cb5 Nb6 13.Rc1 Bf5 14.f3.

8.Ne1 Be6 A) 9.a3 A1) 9...Nbd7 10.Nf3 (10.Nc3 Nb6 11.d3 a5 12.b5 d5 13.cd5 cd5 14.Nf3) 10...c5 11.bc5 Nc5 12.Nc3 Qb6 13.Qc2 Rac8 14.d4; A2) 9...c5 10.bc5 dc5 11.Nd3 Bc4 12.Ne5 Be2 13.Qe2 Nbd7 14.d4; A3) 9...a5 10.Nc3 (10.Qb3 ab4 11.ab4 Ra1 12.Ba1 b5 13.Na3 Qc7 14.Nd3) 10...ab4 11.ab4 Ra1 12.Qa1 Na6 13.Nc2 Qd7 14.d4; B) 9.Nc3 B1) 9...a5 10.b5 Nbd7 11.Nf3 Qc7 12.a4 Rac8 13.Rc1 Rfe8 14.d4; B2) 9...Qc7 10.Nf3 (10.a3 Nbd7 11.Nf3 a5 12.Qc2 d5 13.cd5 cd5 14.Rfc1) 10...Nbd7 11.Qc2 a5 12.b5 d5 13.cd5 cd5 14.Rac1; B3) 9...Nbd7 10.Nf3 Qb6 11.a3 c5 12.d3 cb4 13.Na4 Qc7 14.ab4.

8.Ne1 Bf5 A) 9.Nc3 A1) 9...Na6 10.f4 (10.a3 Nc7 11.f4 ef4 12.Rf4 Bg6 13.Nd3 Ne6 14.Rf1) 10...e4 11.Nc2 Qd7 12.a3 Bg6 13.d3 Rfe8 14.de4; A2) 9...Nbd7 10.f4 Bh7 11.d4 ed4 12.Qd4 a5 13.b5 Nc5 14.f5; A3) 9...a5 10.b5 (10.f4 ab4 11.fe5 bc3 12.Bc3 de5 13.Rf5 g6 14.Rf3) 10...Nbd7 11.f4 ef4 12.Rf4 Be6 13.Rb1 Ne5 14.Qa4; B) 9.Nc2 B1) 9...Na6 10.Nc3 (10.a3 Qd7 11.Nc3 d5 12.d4 e4 13.b5 Nc7 14.Nb4) 10...Qb6 11.f4 Bc2 12.Qc2 Nb4 13.Qb3 Na6 14.fe5; B2) 9...Qd7 10.Nc3 Na6 11.f4 Bg6 12.a3 Nc7 13.d4 ef4 14.ef4; B3) 9...a5 10.f4 (10.b5 cb5 11.cb5 Nbd7 12.f4 Rc8 13.Nc3 g6 14.Rc1) 10...ef4 11.b5 Bc2 12.Qc2 fe3 13.de3 Nbd7 14.Bd4; C) 9.f4 e4 10.Nc2 (10.Nc3 Na6 11.Nc2 c5 12.a3 Qb6 13.Na4 Qc7 14.Nc3) 10...c5 11.g4 Bg6 12.Nc3 Nc6 13.f5 Bh7 14.Rf4.

8.d3 Na6

9.a3 Qb6 10.d4 (10.Nc3 Re8 11.d4 ed4 12.Na4 Qd8 13.Bd4+=; 10.Nbd2 Be6 11.Qc2 c5 12.b5 Nb8 13.d4+=; 10.Qc2 Re8 11.Nc3 Bf5 12.e4 Bg4 13.Rad1+=) 10...e4 11.Nfd2 c5 12.Nc3 Bf5 13.b5+=.

9.a3 c5 10.b5 (10.bc5 Nc5 11.Nc3 Re8 12.d4 ed4 13.Nd4+=; 10.Bc3 Re8 11.Nbd2 Be6 12.Ne4 Qc7 13.b5=; 10.Qb3 Re8 11.Nc3 Be6 12.b5 Nc7 13.Ne4=; 10.Qa4 Bd7 11.Qb3 Re8 12.Nc3 Qb6 13.b5=; 10.Qd2 Re8 11.Re1 Bf5 12.b5 Nc7 13.Nc3=; 10.Qe1 Re8 11.Bc3 e4 12.de4 Ne4 13.Bb2=) 10...Nc7 11.Nc3 Bf5 12.Nd2 Re8 13.f4+=.

9.a3 Qc7 10.Nbd2 (10.Qc2 Bg4 11.Nbd2 c5 12.b5 Nb8 13.d4+=; 10.Nc3 Re8 11.d4 Bf5 12.Qd2 e4 13.Ne1=) 10...Re8 11.Qc2 c5 12.b5 Nb8 13.d4+=.

9.a3 Nc7 10.Nfd2 (10.Nbd2 a5 11.Qc2 Bg4 12.d4 ed4 13.Bd4+=; 10.Qc2 a5 11.Nbd2 ab4 12.ab4 Bg4 13.Ra8+=; 10.Nc3 a5 11.b5 cb5 12.Nb5 Nb5 13.cb5=; 10.d4 e4 11.Nfd2 a5 12.Nc3 ab4 13.ab4=) 10...Ne6 11.Nc3 (11.Nb3 Qc7 12.N1d2 c5 13.Ne4=) 11...Re8 12.Rc1 (12.Nce4 a5 13.Nf6=) 12...Nf8 (12...a5 13.b5=) 13.d4 (13.Nde4=) 13...Ng6 14.Nce4 Bf8 15.Nf6 Qf6 16.de5 Ne5 17.Kh1 Qe7 18.f4 Ng6 19.e4 Nh4 20.Bd3 Ng6 21.Bb1 (21.Qh5 Qd7+=) 21...a5 22.c5 (22.b5 Qh4+=) 22...ab4= 23.ab4 dc5 24.bc5 Qd7 25.Qc2 (25.f5 Ne5+=) 25...Qg4 (25...Bc5 26.f5 Nh8 27.e5=) 26.e5 Be6 27.Nc4 Bc5 (better is 27...Bc4 28.Qc4 Rad8+=) 28.Nd6?? (better is 28.f5 Qc4 29.fe6 Qe6 30.Qc5 Ne5 31.Be5 Qe5 32.Qc2+–) 28...Bd6–/+ 29.ed6 Bd5 30.Be5 h5 31.Kg1 Ra3 32.Rf2 Re3 (32...Ne5?? 33.Qh7 Kf8 34.Qh8) 33.Rcf1 h4 (33...Ne5?? 34.Qh7 Kf8 35.Qh8) 34.Qd1? (better is 34.Bd4 Re1 35.h3–/+) 34...Qd1 35.Rd1 Ne5 36.fe5 R3e5 (36...R8e5? 37.d7 Re8 38.de8R Re8 39.Ba2 Ba2 40.Ra2+–) 37.d7 (37.Rb2 b5 38.Ba2 Rd8 39.Bd5 Rd5 40.Rd5 cd5 41.Rb5 Rd6–+) 37...Rd8 38.Bf5 g6 39.Bg4 (39.Bh3 f5–+) 39...f5 40.Re2 Re2 (40...fg4?! 41.Re5 Rd7 42.Rg5–/+) 41.Be2 Rd7 42.Rd4 Re7 43.Kf2 Re4 44.Rd2 Ra4 45.Bf3 Ra5 46.Rd4 g5 47.Rd2 Kg7 48.Bd1 (48.Rb2 Ra2 49.Ra2 Ba2–+) 48...Kf6 49.Be2 Ra2 50.Rd1 (50.Ra2 Ba2 51.Bd3–+) 50...Bc4 0–1. Eckhoff,Karlheinz – Jeraj,Zlatko, Feffernitz, 2004.

9.a3 Qd7 10.Nc3 (10.Nbd2 Re8 11.Qc2 c5 12.bc5 Nc5 13.Rab1=; 10.Qc2 Qf5 11.Nbd2 c5 12.Bc3 Bd7 13.Rfb1+=) 10...Re8 11.d4 Qf5 12.e4 Ne4 13.Ne4+=.

9.a3 Be6 10.Nc3 (10.Nbd2 Qd7 11.Qc2 c5 12.b5 Nc7 13.d4+=; 10.Qc2 c5 11.Bc3 Qb6 12.Nbd2 Rfe8 13.d4+=; 10.d4 e4 11.Nfd2 Nc7 12.Nc3 d5 13.Qc2=) 10...Qd7 11.d4 e4 12.Nd2 Bf5 13.d5+=.

9.a3 Qe8 10.Nbd2 (10.Nc3 Bg4 11.e4 c5 12.bc5 Nc5 13.Rb1=; 10.d4 e4 11.Nfd2 d5 12.Nc3 Nc7 13.Qc2+=; 10.Qc2 c5 11.b5 Nc7 12.Nc3 Be6 13.d4+=; 10.Nfd2 Nc7 11.d4 ed4 12.Bd4 Bf5 13.Nf3=) 10...Qd7 11.Qc2 Qg4 12.Rfe1 Qg6 13.c5+=.

9.a3 Re8 10.Nc3 (10.Nbd2 Bg4 11.e4 c5 12.b5 Nc7 13.Ne1=; 10.d4 e4 11.Nfd2 d5 12.Nc3 Nc7 13.cd5=; 10.Qc2 Bg4 11.Nbd2 c5 12.h3 Bf5 13.e4=; 10.Qd2 Be6 11.Nc3 Nc7 12.e4 a5 13.d4=) 10...Bg4 11.h3 Be6 12.d4 e4 13.Nd2=.

9.a3 Bf5 10.e4 (10.Nc3 Qb6 11.e4 Bg6 12.Bc1 Qc7 13.Be3+=; 10.Nbd2 c5 11.Bc3 Rc8 12.b5 Nc7 13.Qc2=; 10.Qc2 c5 11.Bc3 Qb6 12.Nbd2 Rfe8 13.Rfb1+=) 10...Be6 11.d4 ed4 12.Qd4 c5 13.Qc3+=.

9.a3 Bg4 10.e4 (10.Nfd2 Be6 11.d4 ed4 12.Bd4 c5 13.Bc3=; 10.Nbd2 Qd7 11.e4 c5 12.b5 Nc7 13.Nh4=; 10.Nc3 Qd7 11.e4 Qe6 12.Nd2 Bd8 13.Kh1+=; 10.Qd2 Qd7 11.Nc3 Qe6 12.d4 Bf3 13.Bf3=; 10.h3 Be6 11.Nc3 Qd7 12.d4 e4 13.Nd2=) 10...Qb6 11.d4 Ne4 12.Ne5 Nf2 13.Rf2+=.

9.b5 A) 9...Nc7 10.a4 (10.bc6 bc6 11.Nc3 Rb8 12.Rb1 a6 13.a3=; 10.Nc3 cb5 11.cb5 a6 12.ba6 Na6 13.Qc2=) 10...Bg4 11.Nfd2 Be2 12.Qe2 Ne6 13.a5=; B) 9...cb5 10.cb5 Nc7 11.Nc3 a6 12.ba6 Na6 13.Qc2=.

9.Qd2 A) 9...Be6 10.Rc1 (10.Rd1 Qd7 11.a3 b5 12.Qc2 Rfc8 13.Nc3=; 10.a3 Nc7 11.Rc1 Re8 12.Nc3 a5 13.b5=; 10.a4 Re8 11.a5 b6 12.Bc3 Nc7 13.Qc2=; 10.Na3 Re8 11.Nc2 Qd7 12.a4 Bg4 13.Rfd1=; 10.Re1 Re8 11.a3 Nc7 12.Nc3 a5 13.ba5=; 10.Bc3 Qd7 11.a4 Rfe8 12.Na3 Bf5 13.a5=; 10.b5 cb5 11.cb5 Nc7 12.Nc3 Qd7 13.a4=; 10.h3 Qc7 11.a3 Rfe8 12.Nc3 Qb6 13.e4=) 10...Qb6 11.a3 Rfe8 12.Nc3 Rad8 13.d4=; B) 9...Qc7 10.Rd1 (10.b5 Nc5 11.Nc3 Bf5 12.d4 Nce4 13.Ne4=; 10.a3 Be6 11.Nc3 Rfd8 12.d4 e4 13.Ne1=; 10.Rc1 Be6 11.a3 Rfe8 12.Nc3 c5 13.Rcb1+=; 10.Re1 Be6 11.a3 Rad8 12.Nc3 Qb6 13.Qc2+=; 10.Bc3 Be6 11.Rd1 Nb8 12.a4 Nbd7 13.a5=) 10...Bf5 11.a3 Bg4 12.Nc3 Rfe8 13.h3+= ; C) 9...Nc7 10.a3 (10.a4 Be6 11.Nc3 Re8 12.Ne4 b6 13.Nf6= ; 10.Rc1 Bg4 11.Nc3 Qd7 12.h3 Be6 13.a4=; 10.Nc3 Be6 11.Rfd1 b5 12.Ne4 Ne4 13.de4=; 10.Rd1 Be6 11.Nc3 b5 12.Ne4 Ne4 13.de4=; 10.Re1 Bf5 11.Rd1 Re8 12.Nc3 Ne6 13.d4=; 10.Qc2 a5 11.ba5 Ra5 12.Nbd2 Bg4 13.d4= ; 10.Na3 Be6 11.Nc2 b6 12.a4 Qe8 13.b5=) 10...Be6 11.Rd1 Re8 12.Nc3 b5 13.Qc2=; D) 9...Re8 10.a3 (10.Rd1 Bf5 11.a3 c5 12.b5 Nc7 13.Nc3= ; 10.b5 Nc7 11.a4 Bg4 12.Nc3 Qd7 13.h3=; 10.Qc3 Be6 11.Nbd2 b5 12.a3 Rc8 13.Qc2=) 10...Be6 11.Nc3 Qb6 12.Rfd1 Rad8 13.Ne4=; E) 9...Qb6 10.a3 (10.c5 dc5 11.bc5 Nc5 12.Be5 Ncd7 13.Bc3=; 10.Bc3 e4 11.Ne1 Re8 12.Qb2 ed3 13.Bd3=) 10...Be6 11.Nc3 Rfe8 12.Rfd1 Rad8 13.e4+=; F) 9...Bd7 10.a3 (10.Rc1 Be6 11.a3 Nc7 12.Nc3 Re8 13.e4+= ) 10...Be6 11.Nc3 Qd7 12.Rfd1 Rfe8 13.Qc2+=; G) 9...Qd7 10.Rc1 (10.Rd1 Qf5 11.b5 cb5 12.cb5 Nc7 13.e4= ; 10.Re1 Qf5 11.b5 Nc5 12.d4 Ncd7 13.Nc3=; 10.Na3 Qf5 11.Rfb1 Nc7 12.b5 cb5 13.Nb5=; 10.a3 Qf5 11.e4 Qe6 12.Re1 Re8 13.Nc3=; 10.a4 Re8 11.Bc3 Qf5 12.e4 Qe6 13.a5=; 10.Bc3 Re8 11.a4 e4 12.de4 Ne4 13.Qb2= ; 10.Qc3 Qe6 11.Rd1 b5 12.Nbd2 Rb8 13.d4+=; 10.h3 Qf5 11.b5 Nc7 12.Qa5 b6 13.Qb4=; 10.c5 Re8 11.a3 Qf5 12.cd6 Bd6 13.Nc3=) 10...Qf5 11.b5 Nc5 12.Nc3 Rd8 13.bc6+=; H) 9...Bg4 10.h3 (10.Rd1 Qd7 11.h3 Be6 12.a3 b5 13.Qc2= ; 10.a3 Qd7 11.Nc3 Qe6 12.d4 Bf3 13.Bf3=; 10.a4 Re8 11.Rd1 e4 12.de4 Ne4 13.Qe1=; 10.Re1 e4 11.de4 Ne4 12.Qc2 Bf6 13.a3=; 10.Rc1 Re8 11.a3 c5 12.b5 Nc7 13.Nc3=; 10.b5 cb5 11.cb5 Nc7 12.a4 Qd7 13.Rc1= ; 10.Qc3 Qb6 11.a3 c5 12.b5 Nc7 13.a4=) 10...Be6 11.a3 Qd7 12.Nc3 Nc7 13.e4+=; I) 9...Rb8 10.Rc1 (10.b5 cb5 11.cb5 Nc7 12.Nc3 Bg4 13.e4= ; 10.a3 Bg4 11.Nc3 Qd7 12.h3 Bh5 13.e4=) 10...Be6 11.a3 Qb6 12.Nc3 Rfe8 13.e4+=; J) 9...Bf5 10.a3 (10.Rd1 Re8 11.a3 c5 12.e4 Bg4 13.h3= ; 10.Rc1 Re8 11.a3 c5 12.b5 Nc7 13.Nc3=; 10.Na3 Re8 11.Nc2 Qb6 12.a4 Qc7 13.Bc3=; 10.Re1 Re8 11.a3 c5 12.b5 Nc7 13.Nc3=; 10.b5 Nc7 11.a4 Re8 12.e4 Bg4 13.Qe3= ; 10.Bc3 Re8 11.a4 Qd7 12.e4 Be6 13.Re1=) 10...Nc7 11.Nc3 a5 12.b5 cb5 13.cb5=.

9.Qe1 A) 9...Re8 10.a3 Be6 11.Nc3 Nc7 12.e4 Bg4 13.Nd2=; B) 9...Qc7 10.a3 Re8 11.Nc3 Bg4 12.Nd2 Be2 13.Qe2=; C) 9...Be6 10.Qc3 (10.a3 Nc7 11.d4 e4 12.Nfd2 d5 13.Nc3= ; 10.Qd2 Qc7 11.a3 Rfe8 12.Rc1 Qd7 13.Nc3=; 10.a4 Qc7 11.b5 Nc5 12.Nbd2 Ncd7 13.Qb1=; 10.Bc3 Re8 11.a4 Bf5 12.Nbd2 Qb6 13.Rb1=; 10.Na3 Re8 11.Qd2 c5 12.b5 Nc7 13.Nc2=) 10...b5 11.a3 Rb8 12.Nbd2 Qb6 13.Qc2= ; D) 9...Nc7 10.a4 (10.Nc3 Be6 11.Qd2 Re8 12.a4 a5 13.b5= ; 10.a3 Be6 11.d4 e4 12.Nfd2 d5 13.Nc3=; 10.Nbd2 Be6 11.Ne4 Ne4 12.de4 Qe8 13.Rd1=; 10.Qc3 a5 11.ba5 Ne6 12.Nbd2 Qa5 13.Qa5=; 10.Qd2 Re8 11.Nc3 Be6 12.Ne4 b6 13.a3=; 10.Na3 Bf5 11.Bc3 Re8 12.Qd2 Ne6 13.Nc2= ; 10.Qc1 a5 11.ba5 Ra5 12.Qc2 Bg4 13.Nbd2=) 10...Be6 11.Qc3 Re8 12.Nbd2 b6 13.a5=; E) 9...Qd7 10.a3 (10.a4 Re8 11.b5 Nc5 12.d4 ed4 13.Nd4= ; 10.Qc3 Qf5 11.a3 Re8 12.Nbd2 Rb8 13.Rfe1=; 10.Qd2 Qf5 11.b5 Nc7 12.Rc1 Ne6 13.Nc3=; 10.Na3 Re8 11.Nc2 Qf5 12.Rc1 Be6 13.Nh4=; 10.Bc3 Qf5 11.Nbd2 Re8 12.Qb1 Be6 13.e4=) 10...Qf5 11.Nc3 Nc7 12.d4 e4 13.Nd2=; F) 9...Bf5 10.a3 (10.Qd2 e4 11.Ne1 d5 12.c5 b6 13.d4= ; 10.Qc3 Re8 11.Nbd2 Be6 12.Ne4 Qb6 13.a3=; 10.e4 Bg4 11.a3 Qb6 12.Bc1 Be6 13.Nc3=) 10...Qb6 11.Nc3 Rad8 12.d4 e4 13.Nd2+=; G) 9...Qb6 10.a3 (10.Bc3 Be6 11.a4 Qc7 12.Nbd2 c5 13.b5= ) 10...Be6 11.Nc3 Rae8 12.d4 ed4 13.Nd4+=; H) 9...Bd7 10.a4 (10.Qd2 Bg4 11.a3 Qd7 12.Nc3 Qe6 13.d4= ; 10.Bc3 Re8 11.a4 e4 12.Nfd2 d5 13.b5+=; 10.Qc3 Re8 11.Nbd2 Be6 12.Rfd1 Qd7 13.a4=; 10.a3 Be6 11.Nc3 Nc7 12.d4 e4 13.Nd2=; 10.e4 Qb6 11.a3 Nc5 12.Bc1 Nb3 13.Be3=) 10...Bf5 11.Bc3 Qd7 12.Nbd2 Qe6 13.e4= ; I) 9...Qe8 10.a3 (10.Qc3 Be6 11.Nbd2 b5 12.cb5 cb5 13.e4= ; 10.Qd2 Be6 11.a4 Qd7 12.Rd1 Rfe8 13.Qc3=; 10.Bc3 Be6 11.Nbd2 b5 12.Rc1 Nc7 13.a4=; 10.a4 Bf5 11.Bc3 Qd7 12.b5 Nc5 13.d4=; 10.Na3 Bf5 11.Rc1 Qd8 12.Nc2 Re8 13.a4=) 10...Be6 11.Nbd2 Qd7 12.Qb1 c5 13.b5+= ; J) 9...Bg4 10.a3 (10.Qd2 Qd7 11.a3 Qe6 12.d4 e4 13.d5= ; 10.Qc3 Re8 11.Nbd2 d5 12.a3 c5 13.b5=) 10...Nc7 11.Nfd2 Be2 12.Qe2 Ne6 13.Qf3=.

7.b5 cb5

8.cb5 b6 9.0–0 Bb7 10.d4 e4 11.Nfd2 d5 12.Nc3 Nbd7 13.a4 a5 A) 14.Rc1 A1) 14...Bd6 15.Qb3 (15.f3 ef3 16.Rf3 Rc8 17.Bd3 Ne4 18.Nce4=; 15.Ndb1 Qe7 16.Qb3 Qe6 17.Ba3 Ba3 18.Na3=) 15...Qb8 16.h3 Rc8 17.Ba3 Nf8 18.Rc2+=; A2) 14...Qb8 15.Qb3 Bd6 16.h3 Qd8 17.Ba3 Ba3 18.Qa3+=; A3) 14...Bb4 15.Rc2 (15.f3 Rc8 16.Qb3 ef3 17.Rf3 Qe7 18.Rc2=; 15.Qb3 Qe7 16.Rc2 Bd6 17.Rfc1 Rac8 18.Nf1=; 15.Ndb1 Qe7 16.Qb3 Rac8 17.Ba3 Ba3 18.Qa3=; 15.Qe1 Rc8 16.f3 ef3 17.Rf3 Qe7 18.Qd1=; 15.Ncb1 Qe7 16.Qb3 Rfc8 17.Ba3 Ba3 18.Qa3=; 15.Qc2 Rc8 16.f3 ef3 17.Rf3 Ne4 18.Nde4=) 15...Rc8 16.Qa1 Qe7 17.Rfc1 Ne8 18.Qa2+=; B) 14.f3 B1) 14...Rc8 15.fe4 (15.Rc1 ef3 16.Rf3 Bd6 17.Bd3 Ne4 18.Nce4=; 15.Qe1 ef3 16.Rf3 Re8 17.Rc1 Bd6 18.Qh4=) 15...Ne4 16.Nde4 de4 17.Bg4 Bd6 18.Rc1=; B2) 14...ef3 15.Bf3 (15.Rf3 Rc8 16.Rc1 Bd6 17.Bd3 Ne4 18.Nce4=) 15...Bb4 16.Rc1 Re8 17.Re1 Rc8 18.Qc2=; C) 14.Qe1 C1) 14...Rc8 15.f4 (15.f3 ef3 16.Bf3 Bb4 17.Na2 Bd6 18.Nc3=; 15.Rc1 Re8 16.f3 ef3 17.Rf3 Bd6 18.Qh4=) 15...Qc7 16.Rc1 Qb8 17.Qg3 Qd6 18.Ndb1=; C2) 14...Bb4 15.Rc1 (15.f3 Rc8 16.Rc1 ef3 17.Rf3 Qe7 18.Qd1=; 15.Qd1 Rc8 16.Rc1 Re8 17.Qb3 Qe7 18.Rc2=) 15...Bd6 16.f3 ef3 17.Rf3 Rc8 18.Bd3=; C3) 14...Bd6 15.Ba3 (15.f3 ef3 16.Rf3 Re8 17.Bd3 Ne4 18.Rc1=) 15...Ba3 16.Ra3 Rc8 17.Qa1 Rc7 18.Rc1=; C4) 14...Re8 15.Rc1 (15.f3 ef3 16.Rf3 Bd6 17.Bd3 Ne4 18.Be4=; 15.Ba3 Rc8 16.Be7 Qe7 17.Rc1 Qb4 18.Ndb1=) 15...Rc8 16.f3 ef3 17.Rf3 Bd6 18.Qh4=; D) 14.Qb3 D1) 14...Qe8 15.Rfc1 (15.Rac1 Rc8 16.f3 ef3 17.Rf3 Ne4 18.Nde4=) 15...Rc8 16.Rc2 Bb4 17.Ba3 Qe7 18.Bb4+=; D2) 14...Rc8 15.Rfc1 (15.Rac1 Rc7 16.f3 Bb4 17.Ba3 ef3 18.Bf3+=; 15.Ba3 Ba3 16.Ra3 Rc7 17.Rc1 Qe7 18.Ra2=) 15...Qe8 16.Rc2 Bb4 17.Ba3 Qe7 18.Bb4+=; D3) 14...Rb8 15.Rfc1 (15.Rac1 Rc8 16.Ba3 Re8 17.Rc2 Nf8 18.Rfc1+=; 15.Ba3 Rc8 16.Rac1 Ba3 17.Qa3 Qe8 18.Rc2+=) 15...Bd6 16.Ba3 Ba3 17.Ra3 Qe7 18.Ra2+=; D4) 14...Re8 15.Rfd1 (15.Rac1 Rc8 16.Rc2 Bb4 17.Rfc1 Qe7 18.Ndb1+=; 15.Ba3 Rc8 16.Rac1 Ba3 17.Qa3 Nf8 18.Rc2+=; 15.Rfc1 Rc8 16.Ba3 Ba3 17.Qa3 Nb8 18.Rc2+=; 15.Rab1 Rc8 16.Ba3 Nf8 17.Rbc1 Ba3 18.Qa3+=; 15.Rad1 Rc8 16.Ba3 Rc7 17.Rc1 Ba3 18.Qa3+=; 15.Rae1 Bb4 16.Ba3 Qe7 17.Bb4 Qb4 18.Rc1+=; 15.Bc1 Rc8 16.Ba3 Nf8 17.Rac1 Ba3 18.Qa3+=; 15.Rfe1 Rc8 16.Ba3 Nf8 17.Rac1 Ba3 18.Qa3=) 15...Bd6 16.Ba3 Ba3 17.Qa3 Qe7 18.Qe7+=.

8.cb5 b6 9.0–0 Bb7 10.d4 e4 11.Nfd2 d5 12.Nc3 Nbd7 13.a4 Rc8 14.Qb3 A) 14...Re8 15.Ba3 (15.Rac1 Bd6 16.Ba3 Bb8 17.Rc2 Qc7 18.g3+=) 15...Nf8 16.Rfc1 Ne6 17.a5 Rc7 18.Rc2+=; B) 14...Rc7 15.a5 (15.Ba3 Ba3 16.Qa3 Qc8 17.Rac1 a6 18.Ndb1+=) 15...Bd6 16.Ba3 Ba3 17.Qa3 Qb8 18.Rfc1+=; C) 14...Qe8 15.a5 (15.Rfc1 Rc7 16.a5 Bd6 17.Ba3 Qe6 18.Bd6+=; 15.Ba3 Ba3 16.Qa3 Qe6 17.Rac1 Ra8 18.Rc2+=; 15.Rac1 Bd6 16.Ba3 Qe6 17.Bd6 Qd6 18.f3=; 15.Rfd1 Rc7 16.a5 Bd6 17.Ba3 Qe6 18.Bd6+=) 15...Rc7 16.Rfc1 Qb8 17.Ba3 Ba3 18.Qa3+=; D) 14...Bd6 15.Ba3 Qe7 16.Bd6 Qd6 17.a5 Rc7 18.a6+=; E) 14...Nb8 15.Ba3 Ba3 16.Ra3 Qd6 17.Rc1 Rc7 18.a5+=.

8.cb5 b6 9.0–0 Bb7 10.d4 e4 11.Nfd2 d5 12.Nc3 Nbd7 13.a4 Bd6 14.Ba3 Qc7 (14...Ba3 15.Ra3 Qe7 16.Qb3 a5 17.Ra2 Rac8 18.Rc2+=; 14...Qe7 15.Qb3 (15.Bd6 Qd6 16.Rc1 Rfc8 17.f3 ef3 18.Rf3=) 15...Rfc8 16.Bd6 Qd6 17.a5 a6 18.ab6+=; 14...Qb8 15.Bd6 Qd6 16.Rc1 Rfc8 17.f3 ef3 18.Rf3=) 15.Bd6 Qd6 16.Qb3 (16.Rc1 a6 17.Qb3 Qe6 18.Rc2+=) 16...Rfc8 (16...a5 17.Rac1 Rac8 18.f3=) 17.a5 Rc7? (17...a6 18.ab6 Qb6 19.Rfb1 ab5 20.Ra8 (worse is 20.Bb5 Ra1 21.Ra1 Rc3 22.Qc3 Qb5–/+; 20.Nb5?! Ra1 21.Ra1 Ba6=) 20...Ba8 21.Nb5=; 17...ba5 18.Ra5+=) 18.ab6 (better is 18.a6 Bc8 19.f3+–) 18...Nb6+= 19.Na4 Na4 20.Ra4 Qb6 21.Rfa1 h6 22.Bf1 Bc8 23.h3 Kh7 24.R1a2 Bb7 25.Qb1 Kh8 26.Nb3 Nd7 27.Na5 Kg8 28.Qb4 Kh8 29.Nb7 Qb7 30.Ra6 Nb6 31.Qd6 Rcc8 32.Qa3 Rc7 33.Qa5 Rcc8 (better is 33...Nc8!?+=) 34.Ra7+– Ra7 35.Qa7 Rc7 36.Qb7 Rb7 37.Rc2 Kg8 38.Rc5 Kf8 39.f3 f5 40.Be2 Ke7 41.g4 g6 (41...fg4 42.hg4 Kd6 43.Rc6 Ke7 44.Kf2+–) 42.gf5 (42.Rc6 Nc4 43.Rg6 Rb5 44.gf5 Rb2 45.Re6 Kf7+–) 42...gf5 43.fe4 fe4 44.Rc6 h5 (44...Nc4 45.Bc4 dc4 46.b6+–) 45.Rh6 Nc4 (45...Rb8 46.Rh5 Kd6+–) 46.Bc4 dc4 (46...Rb8 47.Bd5 Rb5 48.Be4+–) 47.Rh7 (47.Rh7 Kd8 48.Rb7+–) 1–0. Koerner – Buettner, tt, 1976.

7.d3 b6

8.0–0 a5 A) 9.Qa4 A1) 9...Na6 10.a3 (10.b5 cb5 11.Qb5 Bd7 12.Qb3 Nc5 13.Qc2=; 10.d4 e4 11.Nfd2 d5 12.b5 cb5 13.cb5=) 10...Qc7 11.Nc3 Re8 12.b5 Nc5 13.Qd1=; A2) 9...Bb7 10.b5 cb5 11.Qb5 Bc6 12.Qb3 Nbd7 13.Nbd2=; B) 9.b5 cb5 10.cb5 a4 11.Na3 Re8 12.Rb1 Be6 13.Nc4=.

8.0–0 a6 9.Nbd2 a5 10.b5 cb5 11.cb5 a4 12.Qc2 Bb7 13.Nc4 =.

8.0–0 Qc7 9.Nc3 Re8 10.Rc1 a6 11.a3 Nbd7 12.d4 ed4 13.Nd4 =.

8.0–0 Nbd7 9.Qc2 a5 10.a3 Qc7 11.Nbd2 Re8 12.d4 ab4 13.ab4 +=.

8.0–0 Re8 9.Nc3 Bd7 10.Qd2 Qc7 11.a3 a6 12.Rfd1 Bg4 13.h3 =.

8.0–0 Be6

9.a3 A) 9...a6 10.Ng5 (10.Nbd2 Re8 11.e4 c5 12.bc5 bc5 13.Ng5=; 10.Nc3 Re8 11.e4 c5 12.bc5 bc5 13.Rb1=) 10...Bc8 11.Nd2 Qd7 12.c5 dc5 13.bc5=; B) 9...Bd7 10.Nc3 (10.Qc2 a5 11.Nc3 Qc7 12.d4 Re8 13.Bd3+=) 10...a6 11.d4 e4 12.Nd2 d5 13.f3+=; C) 9...Qd7 10.Nc3 (10.Nbd2 a5 11.Qc2 ab4 12.ab4 Na6 13.Bc3=; 10.Ng5 a5 11.Nd2 ab4 12.ab4 Na6 13.Ne6=) 10...a6 11.Ng5 b5 12.Ne6 Qe6 13.Qd2+=; D) 9...Qc7 10.Ng5 (10.Nc3 a5 11.b5 d5 12.cd5 cd5 13.Rc1=; 10.d4 e4 11.Ng5 Bf5 12.f3 Nd5 13.cd5=; 10.Qc2 a5 11.Nbd2 ab4 12.ab4 Na6 13.Bc3=) 10...a5 11.Ne6 fe6 12.b5 cb5 13.cb5+=; E) 9...a5 10.Nc3 (10.Ng5 Bd7 11.Nd2 ab4 12.ab4 Ra1 13.Qa1=) 10...ab4 11.ab4 Ra1 12.Qa1 Qd7 13.b5=; F) 9...Bf5 10.Nbd2 (10.Nc3 Nbd7 11.e4 Bg4 12.Ng5 Be2 13.Qe2+=; 10.e4 Bd7 11.d4 Ne4 12.de5 a5 13.Qc2+=; 10.Nfd2 a5 11.f4 Be6 12.fe5 de5 13.Be5=; 10.Qc2 a5 11.e4 Bg4 12.d4 ab4 13.ab4=) 10...a5 11.e4 Bg6 12.Nh4 Nbd7 13.Ng6+=; G) 9...Qc8 10.Nc3 (10.Ng5 a5 11.b5 cb5 12.cb5 Qd7 13.d4+=) 10...a5 11.b5 Re8 12.Ng5 Bf5 13.bc6+=; H) 9...Re8 10.Nc3 (10.Ng5 Bc8 11.Nd2 Qd7 12.Nge4 Ne4 13.Ne4=) 10...a6 11.e4 c5 12.bc5 bc5 13.Rb1=.

9.a4 A) 9...a5 10.b5 (10.ba5 Ra5 11.Bc3 Ra7 12.Ng5 Bc8 13.d4=) 10...Qc7 11.Nc3 d5 12.bc6 Nc6 13.cd5+=; B) 9...Qd7 10.Qe1 (10.Nc3 Rc8 11.Qb3 Bg4 12.h3 Be6 13.d4+=; 10.Ng5 Bf5 11.e4 h6 12.ef5 hg5 13.Bg4=; 10.Qb3 Qc7 11.Ng5 Bd7 12.Nc3 Na6 13.d4=; 10.Bc3 a5 11.ba5 ba5 12.Nbd2 Qc7 13.Rb1=; 10.Qd2 a5 11.b5 Bg4 12.Nc3 Re8 13.Rab1=; 10.Qc2 Na6 11.b5 Nb4 12.Qb3 a5 13.bc6=; 10.a5 Na6 11.Qd2 Rfb8 12.Bc3 Bg4 13.Rd1=; 10.Na3 a6 11.a5 ba5 12.ba5 Qc7 13.Qd2=; 10.Nbd2 Bg4 11.e4 c5 12.bc5 bc5 13.Nh4=) 10...a5 11.b5 Bg4 12.Nfd2 Be6 13.f4+=; C) 9...Bf5 10.Nbd2 (10.Nc3 Nbd7 11.b5 Qc7 12.e4 Bg4 13.bc6+=; 10.e4 Bd7 11.Nbd2 c5 12.bc5 bc5 13.Bc3=) 10...a5 11.b5 Qd7 12.e4 Be6 13.d4+=; D) 9...Re8 10.Nc3 (10.Nbd2 Bg4 11.Ng5 Be2 12.Qe2 d5 13.b5=; 10.Ng5 Bd7 11.f4 h6 12.fe5 de5 13.Nf3+=; 10.Bc3 a5 11.ba5 ba5 12.Nbd2 Nbd7 13.Rb1=; 10.Qd2 h6 11.a5 Na6 12.Bc3 Qd7 13.Rd1=; 10.Qb3 Nbd7 11.Ng5 Bg4 12.Bg4 Ng4 13.Nf3=; 10.Qc2 a5 11.ba5 Ra5 12.Bc3 Ra7 13.d4=) 10...a5 11.b5 Qc7 12.bc6 Nc6 13.Nb5+=; E) 9...Nfd7 10.b5 (10.Bc3 Qc7 11.a5 b5 12.Na3 Qb7 13.Qc2=; 10.Qe1 a5 11.b5 Bf6 12.Nc3 Re8 13.Rb1=; 10.Qd2 a5 11.b5 Re8 12.Nc3 Nc5 13.Qd1+=; 10.Nbd2 Qc7 11.Bc3 c5 12.b5 a6 13.Qb3=) 10...a6 11.Nc3 f5 12.d4 Bf7 13.d5+=; F) 9...Qc7 10.Qc2 (10.Ng5 Bd7 11.f4 ef4 12.ef4 d5 13.Be5=; 10.Nbd2 Nbd7 11.Ng5 d5 12.cd5 cd5 13.b5+=; 10.Qd2 a5 11.b5 Rc8 12.Ng5 Bd7 13.f4=; 10.Nc3 h6 11.d4 e4 12.Nd2 d5 13.cd5=; 10.Bc3 a5 11.ba5 ba5 12.Ng5 Na6 13.f4=; 10.d4 e4 11.Ng5 d5 12.Ne6 fe6 13.Qd2=) 10...a5 11.b5 Rc8 12.Nc3 h6 13.d4+=; G) 9...Bd7 10.Bc3 (10.Nbd2 Qc7 11.Bc3 Re8 12.a5 Na6 13.e4=; 10.Qd2 Bg4 11.a5 Na6 12.Bc3 Qd7 13.h3=; 10.Qb3 Bf5 11.Nbd2 Nbd7 12.e4 Bg6 13.a5=; 10.Nc3 Re8 11.Qb3 Na6 12.Ne4 Bf5 13.Ng3=) 10...Re8 11.Nbd2 Bg4 12.a5 Nbd7 13.h3+=; H) 9...Nbd7 10.b5 (10.Ng5 d5 11.b5 Qc7 12.Nd2 Bf5 13.bc6+=) 10...a6 11.bc6 Nb8 12.d4 ed4 13.Nd4+=; I) 9...Qe8 10.Nbd2 (10.Nc3 Qd7 11.a5 ba5 12.Ra5 Qb7 13.Qb3=; 10.Qd2 Bg4 11.a5 Na6 12.Rc1 Qd7 13.Rd1=; 10.Ng5 Bd7 11.Nd2 h6 12.Ngf3 Be6 13.Qc2+=; 10.Bc3 Nbd7 11.Ng5 d5 12.Ne6 fe6 13.a5=) 10...a5 11.b5 Qc8 12.bc6 Qc7 13.Ng5+=; J) 9...h6 10.Nbd2 (10.Nc3 Re8 11.Qb3 Nbd7 12.d4 e4 13.Nd2=; 10.Bc3 Nbd7 11.Nbd2 Qc7 12.a5 d5 13.Qc2=; 10.Qd2 Re8 11.a5 Nbd7 12.Rc1 Rb8 13.ab6=; 10.Qc2 Nbd7 11.Nbd2 Qc7 12.d4 c5 13.bc5=; 10.a5 ba5 11.Ra5 c5 12.Ra4 cb4 13.Rb4=; 10.Re1 Re8 11.Nc3 Nbd7 12.b5 Qc7 13.e4=; 10.Qe1 Nbd7 11.a5 Rb8 12.Qd2 Re8 13.Rc1=; 10.Ra2 Qc7 11.Nbd2 a5 12.ba5 Ra5 13.Qc2=; 10.Qc1 Re8 11.Nc3 a5 12.b5 Qc7 13.bc6=) 10...Re8 11.e4 a5 12.b5 c5 13.Ne1=.

9.Nc3 a5 10.b5 Qd7 11.Qb3 cb5 12.Qb5 Qc7 13.Rfb1+=.

9.Nc3 a6 10.d4 (10.a3 Nbd7 11.Ng5 d5 12.f4 ef4 13.ef4+=; 10.Ng5 Bd7 11.a3 d5 12.Nf3 Qc7 13.Na4=; 10.Rc1 b5 11.Ng5 a5 12.a3 ab4 13.ab4=; 10.Qd2 Bg4 11.h3 Bf3 12.Bf3 d5 13.b5=) 10...Bf5 11.a3 Nbd7 12.d5 cd5 13.cd5+=.

9.Nc3 c5 10.b5 (10.a3 a6 11.Ng5 Bd7 12.Bf3 Ra7 13.Nge4+=; 10.bc5 bc5 11.Ng5 Nc6 12.f4 Rb8 13.Rb1+=) 10...a5 (10...a6 11.Ng5 Bd7 12.Bf3 Ra7 13.ba6+=) 11.Ng5 h6 (11...Bc8 12.Nge4 Nbd7 13.Bf3+=) 12.Ne6 fe6 13.Bg4 (13.Na4+/–) 13...Ng4 14.Qg4 Qd7 15.Na4 Bd8 16.f4 Bf6?? (better is 16...ef4 17.Rf4 Ra7+/–) 17.Nb6+– Qb7 18.Na8 Qe7 (18...Qa8 19.Qe6 Rf7 20.fe5 de5 21.Be5+–) 19.fe5 Be5 (19...de5 20.Qe4+–) 20.Rf8 Qf8 (20...Kf8 21.Be5 de5 22.Rf1 Kg8 23.Nc7+–) 21.Be5 de5 22.Qe6 Kh7 (22...Qf7 23.Qe5 Nd7 24.Qd5 Qd5 25.cd5+–) 23.Rc1 (better is 23.Rf1 Qd8 24.Qf5 Kg8 25.Qe5 Nd7 26.Qd5 Kh7+–) 23...Qf6 24.Qf6 gf6 25.Nb6 Kg6 26.d4! ed4 (26...cd4 27.c5; 26...ed4 27.ed4) 27.ed4 cd4 28.c5 d3 29.c6 d2 30.Rd1 Kf7 31.c7 1–0. Buettner,Fritz (2180) – Bonow,Valdir, CiF, 2006.

9.Nc3 Qc7 10.d4 (10.Ng5 Bc8 11.f4 ef4 12.Rf4 d5 13.cd5=; 10.a3 a5 11.b5 d5 12.cd5 cd5 13.Rc1=; 10.Rc1 Re8 11.Ng5 Bc8 12.f4 a6 13.Bh5=) 10...a6 11.Ng5 Bc8 12.Qd3 ed4 13.Qd4+=.

9.Nc3 Qc8 10.a3 (10.d4 e4 11.Nd2 d5 12.cd5 cd5 13.a3=; 10.Qa4 a6 11.d4 Nbd7 12.Qc2 b5 13.cb5=; 10.Qc2 b5 11.cb5 cb5 12.a4 ba4 13.Qa4=; 10.e4 Rd8 11.a3 a5 12.b5 cb5 13.Nb5+=; 10.Rc1 Re8 11.d4 Bg4 12.b5 Nbd7 13.bc6+=; 10.Qb3 Nbd7 11.Ng5 Bg4 12.Bg4 Ng4 13.Nge4=; 10.Qd2 a6 11.a4 Nbd7 12.a5 ba5 13.Ra5=) 10...a5 11.b5 Re8 12.Ng5 Bf5 13.bc6+=.

9.Nc3 Qd7 10.a3 (10.Qc2 Bf5 11.Rfd1 a5 12.b5 cb5 13.e4+=; 10.Rb1 Bg4 11.e4 c5 12.Nd5 Nd5 13.cd5=) 10...Re8 11.e4 a5 12.b5 Qb7 13.Rb1+=.

9.Nc3 Nbd7 10.Ng5 d5 11.Ne6 fe6 12.a3 Qc7 13.Rc1=.

9.Nc3 Qe8 10.d4 (10.a3 a6 11.d4 e4 12.Ng5 Bf5 13.f3=; 10.Ng5 Bd7 11.d4 h6 12.Nge4 Ne4 13.Ne4+=) 10...Bf5 11.b5 e4 12.Nd2 cb5 13.cb5+=.

9.Nc3 Re8 10.Rb1 (10.d4 e4 11.Ng5 Bf5 12.f3 ef3 13.Bf3=; 10.Ng5 Bd7 11.f4 ef4 12.Rf4 d5 13.cd5=; 10.a3 a6 11.e4 c5 12.bc5 bc5 13.Ng5=) 10...h6 11.Qc2 Nbd7 12.d4 e4 13.Ne4+=.

9.Nc3 Bg4 10.h3 (10.a3 Re8 11.h3 Be6 12.d4 e4 13.Nd2=; 10.e4 Nbd7 11.b5 Qc7 12.bc6 Qc6 13.Nd2=; 10.Qc2 Re8 11.a3 Qc7 12.d4 Nbd7 13.Rfd1+=; 10.a4 Re8 11.d4 e4 12.Nd2 Be2 13.Qe2=; 10.Nd2 Be6 11.f4 ef4 12.Rf4 d5 13.cd5=; 10.Qa4 a6 11.h3 Bd7 12.Qc2 a5 13.b5=; 10.Rc1 Re8 11.Nd2 Be6 12.b5 Qc7 13.Bf3=; 10.Rb1 Nbd7 11.h3 Bh5 12.b5 cb5 13.cb5=) 10...Bf5 11.e4 Bg6 12.Nh4 d5 13.Ng6+=.

9.Nc3 h6 10.Qc2 (10.e4 c5 11.a3 Nc6 12.b5 Nd4 13.Nd4=; 10.a3 a5 11.ba5 Ra5 12.e4 Nbd7 13.d4=; 10.Qa4 Qd7 11.b5 Bg4 12.h3 Bh5 13.Qd1=; 10.Qb1 Nbd7 11.d4 a5 12.b5 cb5 13.Nb5+=; 10.Rc1 a6 11.a3 Nbd7 12.d4 e4 13.Nd2+=) 10...a5 11.b5 Qc8 12.d4 cb5 13.Nb5+=.

9.Ng5 A) 9...Bc8 10.a3 (10.Nd2 Re8 11.f4 ef4 12.Rf4 h6 13.Nh3=; 10.Qc2 a5 11.b5 cb5 12.cb5 Bb7 13.d4=; 10.Qd2 d5 11.Be5 dc4 12.Nf3 Nbd7 13.Bc3=) 10...a5 11.b5 Qc7 12.bc6 d5 13.cd5+=; B) 9...Bd7 10.Bc3 (10.a3 a5 11.Nd2 ab4 12.ab4 Ra1 13.Qa1=; 10.f4 ef4 11.Rf4 d5 12.Qb3 Nh5 13.Bh5+=; 10.Nc3 d5 11.a3 a5 12.Nf3 Qc7 13.cd5=; 10.Nd2 a5 11.a3 h6 12.Nge4 Ne4 13.de4=; 10.a4 Qc7 11.f4 ef4 12.ef4 d5 13.Be5=; 10.b5 cb5 11.Bf3 d5 12.cd5 Bd6 13.Nd2=; 10.Na3 Re8 11.f4 ef4 12.Rf4 h6 13.Nh3+=; 10.Qd2 Re8 11.f4 ef4 12.Rf4 a5 13.a3=) 10...a6 11.Nd2 Nd5 12.cd5 Bg5 13.Bf3+=; C) 9...Qd7 10.Nd2 (10.d4 Bf5 11.de5 de5 12.Be5 Ng4 13.Bb8=) 10...a5 11.Ne6 fe6 12.a3 b5 13.Bc3=.

7.d3 Be6

8.a3 Bg4 9.0–0 Bf3 10.Bf3 Nbd7 11.Nd2 Nb6 12.Be2 d5 Black prepares e4 (12...Qd7 13.f4 Qe6 14.e4+=) 13.c5 (better is 13.Be5!? dc4 14.dc4+/–) 13...Nbd7+= 14.Nf3 e4 15.de4 Ne4 16.Bd3 Bf6 17.Bf6 Ndf6 18.Qc2 Rc8 19.Rad1 Qe7 20.Rfe1 Nd7 (20...b6 21.cb6 ab6 22.Nd4=) 21.Nd2 Nef6 (21...f5 22.Nb3 Ne5 23.f3 Nd3 24.Rd3=) 22.Nf3 (22.e4!? Rce8 23.e5+–) 22...Ne5 23.Ne5 Qe5 24.h3 Qh5 25.Be2 Qe5 26.Bf3 Nd7? (26...Rfe8 27.Re2=) 27.Qd3 (27.e4 d4 28.Qb2 Rcd8 29.Qd4 Rfe8+/–) 27...f6? (27...Rcd8 28.e4 Qf6 29.Bh5=) 28.Qd4 (better is 28.e4!? Rce8 29.Qe3+–) 28...Rce8+= 29.Qe5 Ne5 30.Rd4 Nf3 31.gf3 Re5 32.f4 Rh5 33.Kh2 Re8 34.Rg1 f5 35.Rg5 Rg5 36.fg5 Re4 37.Re4 fe4 38.Kg3 Kf7 39.Kf4 Ke6 40.h4 g6 41.f3 ef3 42.Kf3 Kf5 43.a4 b6?? (43...a6 44.a5 Ke5–+) 44.cb6+– ab6 45.a5 ba5 46.ba5 c5 47.a6 c4 48.a7 c3 49.a8Q c2 50.Qd5 1–0. Fournier,Frederic (1665) – libroletal, Active, 2007.

8.Nbd2 h6 9.0–0 Nbd7 10.Qc2 Re8 11.d4 Qc7 12.de5 de5 13.Qc3 Bd6 14.c5 Bf8 15.Ne5 (better is 15.e4=) 15...Ne5?? (better is 15...Nd5 16.Qd4 Ne5 17.Qe5 Qe5 18.Be5 Nb4–/+) 16.Qe5+= Qe5 17.Be5 a5 (17...Nd5 18.a3+=) 18.Bf6 gf6 19.a3 b6 (19...f5 20.Nc4 ab4 21.ab4 Ra1 22.Ra1 Bc4 23.Bc4+/–) 20.Ne4 Kg7 21.cb6 ab4 22.ab4 Rab8 (22...Ra1 23.Ra1 Rb8 24.Nc3+/–) 23.Nc5 (23.b5 Rb6 24.Ra6 Rb5 25.Bb5 cb5+–) 23...Rb6+/– 24.Bf3 (24.Rfb1 Bf5 25.Bd3 Bd3 26.Nd3 Rd8+=) 24...Rb4 25.Rfc1 Bd5 (25...Bc5 26.Rc5 Ra8 27.Rf1+/–) 26.e4 (26.Na6!? Rb7 27.Rc6 Bf3 28.gf3+/–) 26...Bc5 27.ed5 (worse is 27.Rc5 Be4 28.Be4 Rbe4=) 27...Bd4 28.Ra6 (28.dc6!? Ba1 29.Ra1+=) 28...cd5+= 29.Bd5 Re2 30.Ra2 Ra2 31.Ba2 Rb2 32.Bd5 Rf2 33.Kh1 h5 34.h3 h4 0–1. GuestVCXX – GuestDGRY, freechess.org, 2017.

6.Be2 Nc6

7.a3 a5 8.b5= Nb8 9.d3 Nbd7 10.0–0 c6 11.bc6 bc6 12.Nc3 Qc7 13.Rb1 Ba6 14.Qc2 Rac8 15.Rfc1 d5 16.cd5 cd5 17.Qd2 (17.d4 Be2 18.Qe2 Qb8+=) 17...Qa7 18.Nd1 Nc5? (better is 18...e4 19.Nd4 Ne5 20.de4 Be2 21.Qe2 de4 22.Rc8 Rc8=) 19.Ne5?? (better is 19.Be5 a4 20.Rc3+/–) 19...Nb3+= 20.Nc6?? (better is 20.Qe1 Nc1 21.Rc1 Rc1 22.Bc1–/+) 20...Rc6–+ (20...Rc6 21.Bd4 Nd4 22.ed4 Rc1 23.Qc1 Qd4–+; 20...Nd2 21.Na7 Rce8 22.Nc6 Nb1 23.Rb1+= (23.Ne7?! Re7 24.Bf6 gf6 25.Rb1 Rc8=)) 0–1. Fournier,Frederic (1765) – tanguero2 (1760), Active, 2007.

7.a3 d5 8.cd5+= Qd5 9.b5 Na5 10.Be5 Nb3 11.Nc3 Qe6 12.Rb1 Nc5 13.0–0 Bd6 14.d4 Be5 15.de5 Rd8?? (better is 15...Ne8+–) 16.Qd8 (16.Qd8 Qe8 17.Qc7+– (17.ef6?! Qd8 18.Rfd1 Qf6+/–)) 1–0. Fournier,Frederic (2080) – NN, Active, 2004.

7.a3 Bd7 8.d3 Re8 9.0–0 Rc8 10.Nbd2 a6 11.e4 b5 12.cb5 ab5 13.d4 Nd4 14.Nd4 ed4 15.Bd4 c5 16.bc5 dc5 17.Bb2 Bd6 18.Nf3? (18.Bf3 Re6 19.Qc2–/+) 18...Bc7?? (better is 18...Ne4 19.Bd3 Bc6–+) 19.e5 (19.Bf6!? gf6 20.Qd5=) 19...Ng4+= 20.h3 (better is 20.Qd5!?+=) 20...Ne5–+ (20...Be5?! 21.Rb1 Bb2 22.Rb2+=) 21.Ne5 Be5 (21...Re5?! 22.Be5 Be5 23.Rb1=) 22.Be5 Re5 23.Re1 Be6?? (better is 23...c4–+) 24.Bb5 Qd1 25.Rad1 Re1 26.Re1 Ra8 27.a4 c4 28.Rc1 Rc8 29.Rc3 Kf8 30.Kf1 Ke7 31.Ke2 Kd6 32.Ke3 Kc5 33.f3 Kb4–/+ 34.Rc1 c3 35.Kd3 Kb3 36.Rb1 Ka2 37.Rc1 Kb2 38.Rc2 Kb3 39.Rc1 c2 40.Kd2 Kb2 41.Bd3 Bb3 42.a5 Ka3 43.a6?? Ka4?? 44.Bc2 Bc2+/– 45.Rc2 Ra8 46.Rc6 Kb5 47.Rc7 Ka6? 48.Rf7+– Rg8 49.Kd3 Kb6 50.Kd4 Kc6 51.Ke5 Kc5 52.Ke6 Kd4 53.Ke7 Ke3?? 54.Rf8+– Rf8 55.Kf8 Kf2 56.Kg7 Kg2 57.f4 Kh3 58.f5 Kg4 59.Kh7 Kf5 ½–½. Fournier,Frederic – zuecos, Active, 2007.

7.a3 e4 8.Nd4 Nd4 (8...Ne5!?–/+) 9.Bd4+= c5 10.Bf6 Bf6 (worse is 10...gf6 11.Nc3+=) 11.Nc3 cb4 (11...Bc3 12.dc3 Qg5 13.Qd6 Qg2 14.Rf1=) 12.ab4= d5 (12...Be6!?=) 13.cd5+= Bc3 (13...Bf5!?+=) 14.dc3+/– Qf6 (14...Qg5 15.g3+/–) 15.Qd4 Qg6 (15...Qd4 16.ed4 Rd8 17.c4+–) 16.g3 (16.Kf1 Rd8+–) 16...Bh3+/– 17.Ra7 (17.Bf1 Bf1 18.Kf1 Qf5+/–) 17...Ra7 18.Qa7 Bg2? (better is 18...b6!?+/–) 19.Rg1+– Bf3 (19...Bh3 20.g4 h5 21.Qb7 hg4 22.Rg3+–) 20.Qb7 Be2 (20...Qh5 21.Bf3 ef3 22.h4+–) 21.Ke2 Qg4 (21...Qh5 22.g4 Qh2 23.Ra1+–) 22.Ke1 Rc8 (22...Qf5+–) 23.d6 h5 (23...Qe6 24.Qe7 Qb3 25.Qe4 Qc3 26.Ke2 Qb2 27.Kf3 Qf6 28.Qf4 Qd8+–) 24.Qe7 (better is 24.c4+–) 24...Rc3+= 25.d7 (25.Qd8!? Kh7 26.Qh4+/–) 25...Rc1= 26.Kd2 Rg1?? (better is 26...Rc2! 27.Kc2 Qe2 28.Kb3 Qd3 29.Ka4 Qa6 30.Kb3 Qd3 31.Kb2 Qe2 32.Ka3 Qa6 33.Kb3 Qd3=) 27.d8Q+– Kh7 28.Kc3 Rc1 (28...Rd1 29.Qa8 Rc1 30.Kb2+–) 29.Kb3 Rd1 (29...Rb1 30.Kc2 Ra1 31.Qf7 Qe2 32.Qd2+–) 30.Qde8 Rd3 (30...Rb1 31.Kc4 Rc1 32.Kb5 Qf5 33.Qe5 Qg6+–) 31.Kc4 f5 32.Qe6 Rd1 (32...Rd4 33.Kd4 Qd1 34.Kc5 Qc1 35.Kb6 Qe3 36.fe3 f4 37.Qh5) 33.Q8g8 1–0. Janek – Vigilante, internet free game, 2017.

7.a3 Ne4 8.Qc2= Bf5?? (better is 8...Nf6=) 9.Bd3+– Nf2 (better is 9...d5 10.Nc3 Nc3 11.Bf5 g6+–) 10.Kf2 (10.Bf5?! Nh1 11.Nc3 g6+=) 10...Bd3 11.Qd3 Bf6 (11...f5+–) 12.Nc3 Ne7 (12...g6 13.Qe4+–) 13.Ne4 (13.Rhf1 g6+–) 13...Ng6 14.Qd5 (14.g3 Be7 15.h4 h5+–) 14...Be7 (14...Rb8 15.Rhb1+–) 15.Qb7 Qd7 (15...f5 16.Nc3+–) 16.b5 Rfb8 (16...Rab8 17.Qd5+– (worse is 17.Qa7 f5 18.Nc3 e4+–)) 17.Qd5 Bd8 (17...Qe6 18.Qe6 fe6 19.Neg5 Bg5 20.Ng5+–) 18.Rhf1 Qg4 (18...Qe6 19.Qe6 fe6 20.a4+–) 19.Qc6 (19.Kg1 Qe6 20.Qe6 fe6+–) 19...Ne7 (19...h6+–) 20.Qe8 1–0. Janek – Bonubo, internet free game, 2017.

7.a3 Be6 8.0–0 Qd7 9.d3 h6 10.Nbd2 d5? (10...Rfe8 11.b5 Nd8 12.d4 ed4 13.Nd4+=) 11.cd5 (11.b5 Nb8 12.Ne5 Qe8+/–) 11...Bd5 12.d4 (12.b5!? Nb8 13.e4+/–) 12...e4= 13.Ne1 (13.Ne5 Qe6+=) 13...Be6 (13...a5!? 14.b5 Na7+=) 14.Qc2= Bf5 15.Rc1 Bd6 16.f3 (better is 16.Bb5+=) 16...ef3–/+ 17.Bd3 Bd3 18.Qd3 fg2 19.Ng2 Qh3 20.Nf3? (better is 20.Nf4 Qg4 21.Kh1–/+) 20...Ng4–+ 21.Nf4 Bf4 22.ef4 Rae8 (22...Nh2 23.b5 Qg3 24.Kh1–+) 23.Rce1?? (better is 23.d5 Ne7 24.Qd2–/+) 23...Nh2!–+ 24.Re8 (24.Nh2 Qd3 Pinning (24...Qd3 Deflection)) 24...Re8 25.Qc3 (25.Ne5 Qd3 26.Nd3 Nf1 27.Kf1–+) 25...Nf1 (25...Re2 26.Rf2 Qg3 27.Kh1 Qf2 28.Qc6 Qg2) 26.d5–+ Ne3 (better is 26...Nd4! 27.Qd4 Qg3 28.Kf1 Qf3 29.Qf2 Qd1 30.Kg2 Re2–+) 27.Qg7 1–0. Fournier,Frederic (1830) – dieter2004 (1815), Active, 2005.

7.a3 Re8 8.0–0 e4 9.Nd4 Ne5 10.f4 Nd3 11.Bd3 ed3 12.Nc3 (12.b5 Nd7=) 12...c5+= 13.bc5 dc5 14.Nf3 Bg4 15.Qb3 b6 16.Nd5 (16.e4!?=) 16...Nd5+= 17.cd5 Bf5 18.Ne5 Bf6 (18...Qd6 19.Qc4 b5 20.Qb5=) 19.Nc6 (19.Qc4 b5 20.Qc5 Rc8+=) 19...Qd6 (19...Qd7 20.Bf6 gf6+=) 20.Ne5 (better is 20.Be5!? Be5 21.fe5=) 20...Be4–/+ (worse is 20...Be5 21.fe5 Qg6 22.Rf3=) 21.Qc4 (21.Nc4 Qd5 22.Bf6 gf6–/+) 21...Bd5 (better is 21...Qd5!? 22.Qd5 Bd5–+) 22.Qd3+= Rad8 23.Qc2 (23.Rac1 Be5 24.fe5 Qe6–/+) 23...Be5 24.fe5 Qc6 25.Rf2 Be4 26.Qc3 Rd3 (26...Qe6 27.d4 Rc8 28.Qd2–/+) 27.Qc4 Re7 28.Bc3 (28.Raf1 Qd5 29.Qa4 h6–/+ (29...Rd2? 30.Rd2 Qd2 31.Qe4+–)) 28...b5–/+ 29.Qa2 c4 (29...Qg6 30.Qb2 a6 31.Rc1–/+) 30.Raf1 (30.a4 Rd5–/+) 30...Rdd7–/+ 31.Bb4 (31.Qb2 Bd3 32.Ra1 Rd5–/+) 31...Re6 (31...Re5!? 32.Rc1–+) 32.Bd6–/+ Bd3 33.Rc1 f6 34.a4 Rd8 (better is 34...ba4!? 35.Rc3 Qd5–/+) 35.ab5= Qb5 36.Qa7 f5 (36...Qd7 37.Qa5=) 37.g4 (better is 37.e4!? Be4 38.Qc7+/–) 37...Rd7?? (better is 37...Rg6 38.h3 h5=) 38.Qa8+– (38.Qa8 Rd8 39.Qd8 Re8 40.Qc7+–) 1–0. GuestMYZX – averagesg, freechess.org, 2017.

7.a3 h6 8.0–0 Be6 9.d4 ed4 10.ed4 d5 11.c5 a6 12.Bd3 Re8 13.Re1 Bf8 14.Nbd2 Qd7 (14...Nh5!?+=) 15.Ne5+/– Ne5 16.de5 Nh7 17.Qc2 Ng5 (better is 17...g6!?+/–) 18.f4+– Ne4 19.Ne4 de4 20.Be4 c6 21.Rad1 Qe7 22.f5 Bd7 (better is 22...Bc8+–) 23.f6 gf6 (23...Qe6 24.Rd6! Qg4 25.Bh7 Kh8+–) 24.ef6 Qd8 (24...Qe4 25.Re4 Bf5 26.Re8 Bc2 27.Ra8 Bd1+–) 25.Re3 (better is 25.Bh7 Kh8 26.Re7 Bg4 27.Rd8 Rad8+–) 25...Qc7 (25...Qc8+–) 26.Rg3 Kh8 27.Bh7 Be6 (27...Bc5 28.bc5 Rad8+–) 28.Rg8 1–0. GuestMPBT – camelpig, freechess.org, 2017.

7.a3 a6

8.0–0 Bg4 9.d3 h6 10.Nbd2 Re8 11.h3 Bh5 12.Nh2 Be2 13.Qe2 Nh7 14.Nhf3 f5 15.e4 f4 16.g3 fg3 17.fg3 Rf8 18.Kh2 Ng5 19.Ng5 Bg5 20.Rf8 Qf8 21.Rf1 Qe7 22.Nf3 Bf6 23.Bc1 Rf8 24.Be3 Qd7 25.Kg2 Be7 26.Nh2 Rf1 27.Qf1 (worse is 27.Kf1 Qh3 28.Qg2 Qc8–/+) 27...Bf8 28.Qf5 Qf5 29.ef5 Ne7 30.g4 Kf7 31.Kf3 Kf6 32.Ke4 c6 33.d4 (better is 33.g5!? hg5 34.Ng4 Kf7 35.Bg5+=) 33...d5+= 34.cd5 cd5 35.Kd3 e4 36.Kc3 Nc6 37.Nf1 g6 38.fg6 Kg6 39.Ng3 1–0. Fournier,Frederic – talkech (1925), Active (5/2) echecs21.com, 2004.

8.d3 d5 9.cd5 (9.Ne5 Ne5 10.Be5 a5+/–) 9...Nd5 (9...Qd5!? 10.Qc2 Bg4+=) 10.Ne5+= Ne5 11.Be5 Bf6 12.Bf6 Qf6 13.Nd2 Be6 14.0–0 b5 15.Ne4 Qg6 16.Bf3 Rac8 17.Nc5 Nf6 18.Na6 c6 19.Nc5 Bg4 20.Bg4 Ng4 21.h3 Ne5? (21...Nf6 22.Qf3+–) 22.d4 (better is 22.f4 Nd3 23.Qd3 Qd3 24.Nd3+–) 22...Nc4 23.Qb3?? (better is 23.a4+–) 23...Nd2+/– 24.Qd1 Nf1 (24...Nc4 25.a4 ba4 26.Qa4 Nb6+–) 25.Qf1+= Rcd8 26.a4 ba4 27.Ra4 Rd5 28.Ra6 Rg5 (28...Rh5!?+/–) 29.b5+– Qh5 30.Kh2 (better is 30.Rc6!? Rd8 31.Kh2+–) 30...cb5+= 31.Rb6 Rc5 32.dc5 Qc5 33.Rb5 Qd6 34.g3 g6 35.Qb1 Qf6 36.Qb2 Qf3 37.Rb4 h5 38.Rf4 Qc6 39.Qe5 Re8 40.Qf6 Qd7 41.Rd4 Qe6 42.Qg5 Qe5 43.Qh4 Qf5 44.Rf4 Qd7 45.Qg5 Qe7 46.Qb5 1–0. Fournier,Frederic (1815) – jduarte (1690), Active, 2007.

8.d3 Qd7 9.Nc3 =.

8.d4 e4 9.Nfd2 d5 10.cd5 Qd5 11.Nc3 Qf5 12.Qc2 Bd6 13.Nce4 Ne4 14.Qe4 Qg5 15.g3 Bf5 16.Qf3 Bg6 17.0–0 Rfe8 18.Qg4 Qf6 19.Nc4 Bf5 20.Qf3 Bf8?? (better is 20...Qg6+/–) 21.d5+– Ne5 22.Ne5 Re5 23.e4 (23.g4 Bd7 24.Qf6 gf6 25.Be5 fe5+–) 23...Bh3? (23...Be4 24.Qf6 gf6 25.Be5 fe5 26.Rac1+/–) 24.Qf6 (better is 24.Be5!? Qe5 25.Rfe1 Bd6+–) 24...gf6 25.Be5 fe5? (better is 25...Bf1 26.Kf1 fe5+–) 26.Rfc1 Bd6 27.Bf1 Bf1 28.Kf1 Rf8 29.Ke2 f5 30.f3 f4 31.gf4 Rf4 32.Rg1 Kf7 33.Rg4 Rf6 34.Rag1 Rg6 35.Rg6 hg6 36.h4 Kf6 37.Rg4 b6 38.Kd3 a5 39.ba5 ba5 40.a4 Bb4 41.Kc4 Bd2 42.Kb5 Bb4 43.Kc6 Bd6 44.Kd7 Kf7 45.Rg5 Kf6 46.Rg4 (46.Rg2!? Kf7+–) 46...Kf7 47.Rg5 Kf6 48.Rg4 ½–½. Fournier,Frederic (1625) – Okitref (1725), Active, 2008.

7.a3 Bf5

8.0–0 Bb1 9.Rb1+= d5 (better is 9...a6!?+= 10.Qc2 Re8 11.Rfd1 h6 12.e4 Bf8 13.Rdc1 Qe7+=; 9...Qd7 10.Qc2 a6 11.d4 e4 12.d5 Nb4 13.ab4 ef3+/–; 9...Re8 10.d4 e4 11.Nd2 d5 12.Qb3 a5 13.b5 Nb8+/–; 9...Qc8 10.d4 e4 11.Nd2 Qf5 12.Qc2 Qg6 13.f3 ef3+/–) 10.Ne5+/– Ne5 11.Be5 dc4 (11...Bd6 12.Bd4 Re8 13.f4 a5+–) 12.Bc4 Bd6 (12...Nd7 13.Bc3 Nb6+–) 13.Ba1 (13.Bd4 c6+–) 13...a5 (13...c6 14.Qf3+–) 14.Qb3 (14.ba5 Ra5 15.Rb7 Ra3+–) 14...a4 (14...ab4 15.ab4 Ng4 16.f4+/–) 15.Qa2 Qe7 16.f4 1–0. Kucharkowski,Jens – Obenaus,Alexander, corr, 1981.

8.0–0 e4!? 9.Nd4 Nd4 10.Bd4 a5= 11.f3 c5 12.fe4 Be4 13.bc5 dc5 =.

8.b5 Nb8 9.0–0 a6 (9...Re8 10.Nc3 a6 11.a4 Nbd7 12.d4 c6 13.Qb3 Qa5=; 9...Qe8 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qd7=) 10.a4 Nbd7 11.d4 ab5 12.ab5 Ra1 13.Ba1 ed4=.

8.d3 a6 A) 9.Nc3 Bg4 (9...Qd7 10.0–0 Rfe8 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=; 9...Ra7 10.0–0 Re8 11.d4 e4 12.Nd2 Qd7 13.d5 Ne5+=; 9...Re8 10.0–0 Qd7 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=) 10.0–0 Re8 11.d4 ed4 12.Nd4 Be2 13.Nce2 Ne5=; B) 9.Nbd2 Bd7 (9...h6 10.0–0 Qd7 11.d4 e4 12.Nh4 Bh7 13.d5 Ne5=; 9...Re8 10.0–0 Qd7 11.e4 Bg4 12.d4 ed4 13.Nd4 Nd4=; 9...Qc8 10.0–0 Qe6 11.e4 Bg4 12.d4 Bf3 13.Nf3 ed4=; 9...Qe8 10.0–0 Qd7 11.e4 Be6 12.d4 ed4 13.Nd4 Nd4=; 9...Qb8 10.0–0 Re8 11.e4 Be6 12.Qc2 Nh5 13.d4 Nf4=; 9...b6 10.0–0 Qe8 11.e4 Be6 12.Re1 Nd7 13.b5 Na7+=; 9...Be6 10.0–0 Re8 11.Ng5 Qd7 12.Ne6 Qe6 13.Bf3 d5+=; 9...Qd7 10.0–0 Rfd8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 Re8=; 9...Rc8 10.0–0 Qd7 11.e4 Be6 12.d4 Nd4 13.Nd4 ed4=) 10.0–0 Bg4 11.Ng5 Be2 12.Qe2 h6 13.Ngf3 Re8=; C) 9.0–0 Qd7 (9...Re8 10.Nbd2 Qd7 11.e4 Bg4 12.h3 Bh5 13.g4 Bg6+=; 9...Bg4 10.Nc3 Qd7 11.d4 ed4 12.ed4 Rfe8 13.Re1 d5+=) 10.Nc3 Rfe8 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=.

8.d3 Qd7 A) 9.Nc3 Rfe8 (9...a6 10.0–0 Rfe8 11.Nd5 Be6 12.Ne7 Re7 13.d4 ed4=) 10.0–0 a6 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=; B) 9.Nbd2 Qe6 (9...Rae8 10.0–0 a6 11.e4 Bg4 12.b5 ab5 13.cb5 Nd8=; 9...Rfe8 10.b5 Nd8 11.e4 Bg6 12.Nh4 a6 13.Ng6 fg6=; 9...a6 10.0–0 Rfd8 11.e4 Bg4 12.Ng5 b5 13.Rc1 Be2=; 9...Be6 10.0–0 Bg4 11.Ng5 Rae8 12.f4 ef4 13.Rf4 Be2=; 9...Bg4 10.0–0 a6 11.h3 Be6 12.d4 ed4 13.Nd4 Nd4=; 9...h6 10.e4 Bg6 11.0–0 a6 12.Re1 Qe6 13.d4 Nd4+=) 10.b5 Nd8 11.d4 Nd7 12.e4 Bg6 13.c5 dc5=; C) 9.0–0 Rfe8 (9...Rae8 10.e4 Bg4 11.b5 Nd8 12.Nbd2 a6 13.ba6 ba6+=; 9...a6 10.Nc3 Rfe8 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=) 10.b5 Nd8 11.e4 Bg4 12.Nc3 a6 13.d4 ed4=.

8.d3 e4 9.de4 Be4 10.Nbd2 Bg6 11.0–0 Ne4 12.Ne4 Be4 13.Bd3 (13.b5!? Na5 14.Bc3+/–) 13...Bd3+= 14.Qd3 Bf6 15.Bf6 Qf6 16.Nd4 Ne5 17.Qe4 c6 18.Nf3 Rfe8 19.Ne5 Re5 20.Qc2 Rg5 21.g3 Rh5 22.f4 Re8 23.Rae1 d5 24.cd5 Rd5 25.e4 Qd4 26.Kh1 Rdd8 27.e5 Qd5 28.Kg1 Qd2 29.Re2 Qc2 30.Rc2 Rd3 31.Ra1 Red8 32.Kg2 Rb3 33.Rca2 Rdd3 34.Kf2 Kf8 35.Ke2 Ke7 36.Kf2 Ke6 37.Ke2 Kf5 (37...Rf3 38.Kd1+=) 38.Rd2 Re3 39.Kf2 Ra3 40.Ra3 Ra3 41.Rd7 Ke6 42.Rb7 a5 43.ba5 Ra5 44.Rc7 c5 45.h4 h5 46.Ke3 g6 47.Ke4 Ra4 48.Kd3 c4 49.Rc4 Rc4 50.Kc4 Kf5 51.Kd5 Kg4 52.Kd6 Kg3 53.Ke7 Kf4 54.Kf7 Ke5 55.Kg6 Ke6 56.Kh5 Kf6 57.Kg4 Kg6 58.h5 Kh6 59.Kf5 Kh5 ½–½. Fournier,Frederic (1700) – javipescador (1925), Active, 2006.

8.d3 e4 9.de4 Ne4 10.0–0 Bf6 11.Nd4 Nd4 12.Bd4 Re8 13.f3 Ng5=.

8.d3 Re8 A) 9.Nc3 Qd7 (9...a6 10.0–0 Qd7 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=; 9...Qc8 10.0–0 Qd7 11.b5 Nd8 12.e4 Bg4 13.d4 ed4+=; 9...Bg4 10.0–0 Qd7 11.Nd5 Bf5 12.e4 Be6 13.Qc2 Bd8+=; 9...Bf8 10.0–0 Be7 11.d4 a5 12.b5 ed4 13.ed4 Na7+=) 10.0–0 a6 11.Nd5 Be6 12.Ne7 Qe7 13.d4 ed4=; B) 9.Nbd2 Qd7 (9...e4 10.de4 Ne4 11.b5 Nb8 12.Nd4 Bf6 13.Nf5 Bb2=; 9...a6 10.0–0 Qd7 11.e4 Bg4 12.d4 ed4 13.Nd4 Be2+=; 9...Bf8 10.0–0 a6 11.d4 ed4 12.Nd4 Nd4 13.Bd4 c5=; 9...Be6 10.0–0 Qd7 11.d4 e4 12.d5 ef3 13.de6 Qe6+=; 9...Nd7 10.0–0 Bf6 11.Ne4 Qe7 12.Qd2 Qe6 13.Nf6 Nf6+=) 10.b5 Nd8 11.e4 Bg6 12.Nh4 a6 13.Ng6 fg6=; C) 9.0–0 e4 (9...Qd7 10.b5 Nb8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 a6=; 9...Qc8 10.Nbd2 a6 11.e4 Bg4 12.h3 Be6 13.Re1 Qd7=; 9...a6 10.Nbd2 Qd7 11.e4 Bg4 12.d4 ed4 13.Nd4 Nd4+=) 10.de4 Ne4 11.b5 Na5 12.Nd4 Bf6 13.Nc3 Bd4=; D) 9.e4 Bg4 10.0–0 a6 11.Nbd2 Qd7 12.Re1 Qe6 13.Ng5 Be2=.

8.d3 h6 9.0–0 e4 (9...Re8 10.Nbd2=) 10.de4+= Be4 (10...Ne4 11.b5 Na5 12.Nbd2+=) 11.Nbd2 (11.b5 Nb8+=) 11...Bh7 12.b5 Na5 (12...Nb8 13.Nd4+=) 13.Nd4 (13.Bc3 b6+/–) 13...Ne4 (13...a6 14.a4+=) 14.Ne4 (14.Bd3 Nd2 15.Bh7 Kh7 16.Qd2 c5 17.bc6 Nc6 18.Nc6 bc6+/–) 14...Be4 15.Qa4 (15.Qd2 c5 16.bc6 Nc6+/–) 15...b6 (15...c5 16.bc6 Nc6 17.Rad1+=) 16.Bc3 (16.f3 Bg6+=) 16...Nb7 17.Nc6 (17.Qd1 Nc5+=) 17...Bc6= 18.bc6 Nc5 19.Qc2 a5 (19...Bf6 20.Bd4=) 20.Rad1 (20.Bd4 Re8=) 20...Bf6= 21.Bd4 Ne6 (21...Re8 22.Bc5 bc5 23.Rb1+=) 22.Bf3 (22.Qf5 Bd4 23.ed4 Re8=) 22...Nd4 (22...Bd4!? 23.ed4 Qf6=) 23.ed4+= g6 (23...Re8 24.Be4+=) 24.d5 (24.Bd5!? Kg7 25.Rfe1+=) 24...Re8 (24...Be5 25.Rfe1=) 25.Bg4 Kg7 (25...Re5 26.Rde1=) 26.Bd7+= Re5 27.Rfe1 Qe7 28.Re5 (28.Qd2 Bg5 29.Re5 de5+=) 28...Qe5 (28...de5 29.Qa4=) 29.g3 1–0. GuestXSBG – GuestPWHW, freechess.org, 2016.

8.d4 e4 9.Nfd2 d5 (9...Qd7 10.Nc3 a5 11.b5 Nd8 12.Qc2 Re8 13.d5 Bf8+=; 9...Re8 10.g4 Bg6 11.h4 h6 12.Qc2 Nd7 13.h5 Bh7+=) 10.b5 Nb8 11.Nc3 c6 12.bc6 bc6 13.Rb1 Nbd7=.

7.b5 Na5

8.0–0 b6 9.d4 ed4 10.Nd4+= Bb7 11.Nc3 Qd7 12.Qd3 Rfe8 13.h3 a6 14.a4 ab5 (14...c5 15.Nf5+=) 15.ab5 h6 (15...c5 16.bc6 Nc6 17.Nc6 Bc6 18.Nd5 Bd5 19.cd5+/–) 16.e4 Bf8 (16...Ra7 17.Nd5 Nd5 18.cd5+/–) 17.Bf3 Qe7 18.Nd5 Nd5 19.cd5 Bc8 20.Rfc1 Bb7 (20...Qg5!?+/–) 21.Nf5 (21.Qc2 Kh7+–) 21...Qd7 22.Bh5 g6? (better is 22...Kh7+–) 23.Qc3 Re5 24.f4 (24.Qc7 Qc7 25.Rc7 Rc8 26.Be5 Rc7 27.Nd6 gh5+/–) 24...Bg7 (24...Qb5 25.fe5 Qc5 26.Kh2 Qc3 27.Rc3 de5 28.Rc7 Ba6 29.Be5 gh5+–) 25.Ng7 (25.Ng7 Qb5 26.fe5 Qc5 27.Qc5 dc5 28.e6 fe6 29.Bg6 ed5 30.ed5 Bd5 31.Nf5+–; worse is 25.fe5 Be5 26.Nd4 gh5 27.Qc7 Qc7 28.Rc7 Rc8 29.Rc8 Bc8+–) 1–0. Janek – zandar, internet, 2017.

8.Bc3 b6 9.d4 e4 10.Nfd2 Bf5 (10...a6 11.a4=) 11.0–0 Bg6 12.f3 Qd7 13.fe4 Qc8 14.Bf3 Qb7? (better is 14...Nb7+/–) 15.e5 Ne4 16.Ba5 ba5 17.Nc3! d5?? (17...Nc3 A pinning theme 18.Bb7) 18.Nd5 Bb4 (18...Rae8 19.Be4 Qc8 20.Bg6 fg6 21.Qa4+–) 19.Be4 (19.Ne4 Kh8 20.Ng3 Qb8+–) 19...Be4 (19...Kh8 20.Bf3 Bd2 21.Qd2+–) 20.Ne4 c6 (20...Kh8 21.Qd3 f5 22.ef6+–) 21.bc6 Qc6 22.Qh5 (better is 22.Nef6 Kh8 23.Qd3+–) 22...Rad8 (22...f5 23.ef6 g6+–) 23.Nef6! gf6 (23...Qf6 24.ef6) 24.Nf6 Qf6 25.Rf6 Be7 26.Rh6 f5 (26...Bg5 27.Qg5 Kh8 28.Qf5 Rd4 29.Qh7) 27.Rh7 Rf7 (27...Rd6 28.Rh8 Kg7 29.Qh7) 28.Qf7 1–0. pierre – kozitskiyalexander, Yahoo, 2005.

8.Bc3 c6 9.Qa4+= b6 10.bc6 Qc7 11.Ba5 ba5 12.Nc3 Rb8 13.Nd5 Nd5 14.cd5 Rb4 15.Qc2 Bg4 16.a3 Rb6 17.0–0 Rfb8 18.Rab1 g6 19.Rb6 Rb6 (19...ab6!? 20.Rb1 f5+/–) 20.h3 Bc8 21.d4 e4? (better is 21...f5+–) 22.Qe4 Bf5 23.Qf4 Rb2 24.Bc4 Qb8 25.e4 Bc8 26.e5 Bf5 27.e6 fe6 28.g4 e5 (28...Rc2 29.gf5 Rc4 30.fg6 (worse is 30.fe6 Qf8 31.Qf8 Kf8+–) 30...hg6 31.Re1+–) 29.de5 (29.Ne5 de5 30.d6 Kg7 31.de5 Bd6 32.ed6 Qf8+–) 29...de5 (29...Bc2+–) 30.d6 Kf8 (30...Kg7 31.Qe5 Bf6+–) 31.Qe5 Bd6 32.Qf6 Ke8 33.Bf7 Kf8 34.Bg6 Kg8 35.Qf7 1–0. Mar Ram – Evren Saribay, internet, 2010.

8.h3 a6 9.ba6 Ra6 10.d4+=.

8.h3 b6 9.Qc2 g6 (9...a6 10.0–0=) 10.d3 Bd7 11.Nbd2 Nb7 (11...c6 12.d4 Bf5 13.e4 Ne4 14.Ne4= (14.de5? Nf2 15.Qc3 Nh1 16.ed6 f6 17.de7 Qe7–+)) 12.a4 (12.d4 ed4 13.Nd4 a6+/–) 12...a5 (12...Nc5 13.0–0+=) 13.0–0 (13.d4 ed4 14.Nd4 Nc5+/–) 13...Nc5+= 14.d4 Bf5 15.Qc3 Nce4 16.de5?? (better is 16.Ne4 Ne4 17.Qe1+=) 16...Nc3–+ 1–0. GuestSGYF – GuestTCQV, freechess.org, 2017.

7.b5 Nb8

8.0–0 a6 9.Qc2= ab5 10.cb5 c6 11.Nc3 Bg4 12.d4 =.

8.0–0 c5 9.Nc3 b6 (9...Bf5!?= 10.d4 cd4 11.ed4 e4 12.Nd2=; 9...Re8 10.d4 ed4 11.ed4 a6 12.a4+=) 10.Ne5+/– de5 11.Bf3 e4 (11...Bg4! 12.Bg4 Ng4 13.Qg4 Qd2+/–) 12.Ne4+– Bb7? (better is 12...Be6 13.Nf6 Bf6 14.Bf6 Qf6 15.Ba8 Bc4+–) 13.Nf6 Bf6 14.Bb7 Bb2 15.Rb1 (15.Ba8?! Ba1 16.Qa1 Qd2+–) 15...Nd7 16.Ba8 (16.Rb2?! Rb8 17.Bf3 Ne5+–) 16...Qa8 17.Rb2 Ne5 18.Qc2 f5 (18...Rd8 19.Rb3+–) 19.d4 Ng6 20.dc5 bc5 21.Qc3 (21.Rd1 Nh4 22.Rd5 Qe8+–) 21...Nh4 22.f3 Rf6 (22...Qe8 23.Rd2+–) 23.Qa3 g5 (23...f4 24.e4+–) 24.Rd2 Qf8 25.Qa7 g4 (25...Rf7 26.Qb6 Qe7 27.Qd8 Kg7 28.e4+–) 26.b6 gf3 (26...Qe8 27.b7 Rf8 28.Qc5 h5+–) 27.b7 fg2 (27...f2 28.Rff2 Rf7+–) 28.Rf4 Nf3 29.Rf3 1–0. pierre – misss.nakita, internet, 2008.

8.0–0 c5 9.d3 b6 10.Nbd2 a6 11.a4 a5 12.Nb3 d5? (better is 12...Qc7!?=) 13.Ne5+/– Nc6?? (better is 13...Re8+/–) 14.Nc6+– Qd7 (14...Qc7 15.d4 dc4 16.Bc4+–) 15.Ne7 (15.d4 Bb7 16.Ne7 Qe7 17.dc5 dc4+–) 15...Qe7 16.d4 (better is 16.Bf6 Qf6 17.cd5 Bb7+–) 16...cd4 (16...Be6 17.cd5 Bd5 18.dc5+–) 17.Nd4 (17.Ba3 Qd7 18.Bf8 Kf8 19.Qd4 dc4 20.Bc4 Qd4 21.Nd4 Bb7+–) 17...Bb7 (17...Qe5 18.Ba3 Re8 19.Nc6+–) 18.Qc2 (18.Ba3 Qe5 19.Nf3 Qc7 20.Bf8 Rf8+–) 18...dc4 (18...Rfc8 19.Rac1+–) 19.Bc4 (19.Ba3 Qe5 20.Bf8 Be4 21.Qc4 Bd5+–) 19...Rac8 (19...Be4 20.Qb3 Nd7 21.f3+–) 20.Nf5 (20.Ba3 Qe5 21.Bf8 Ng4+–) 20...Qd7 (20...Qe6 21.Be6 Rc2 22.Bf6 fe6 23.Nd4+–) 21.Rfd1 (21.Bf6 gf6 22.Rfd1 Qc7+–) 21...Qc7 (21...Rc4 22.Rd7 Rc2 23.Bf6 gf6 24.Rb7+–) 22.Nd6 Rcd8 23.Nb7 Qb7 24.Rd8 (24.Bf6 gf6 25.Bd3 Rc8 26.Bh7 Kg7+–) 24...Rd8 25.Rd1 (25.Bf6 gf6 26.Qf5 Qc7+–) 25...Rd1 26.Qd1 h6 (26...Qe7+–) 27.Qd8 Kh7 28.Bd3 g6 29.Bf6 h5 (29...Qg2 30.Kg2 h5 31.Qh8) 30.Qh8 1–0. Goldmund,Heike – Kehayov,Yulian, FICGS, 2015.

8.0–0 c6 9.bc6 (9.Nc3 Nbd7=) 9...Nc6 (9...bc6 10.Nc3=) 10.Nc3 (10.d4 e4 11.Nfd2 Bf5=) 10...Be6 (10...Bf5 11.d4=) 11.d4 h6? (11...ed4 12.Nd4 Rc8 13.Rc1=) 12.Na4?? (better is 12.d5+–) 12...Bg4 (12...e4 13.Nd2 d5 14.cd5 Bd5 15.Nc3=) 13.Rc1 (13.de5 de5 14.Ne5 Be2 15.Qe2 Ne5 16.Be5 Qa5 17.Bf6 Bf6+=) 13...Rc8 (13...Qd7 14.h3 Bf3 15.Bf3=) 14.h3 (14.Nc3 Qa5=) 14...Bd7 (14...Bf3 15.Bf3 (worse is 15.gf3 ed4 16.Bd4 Qd7+=) 15...e4 16.Be2=) 15.Nc3 (15.de5 de5 16.Be5 Ne5 17.Ne5 Be6=) 15...b6 (15...Bf5 16.Nd5=) 16.Re1 (16.Nb5+=) 16...Na5 (better is 16...Bf5!?=) 17.de5+/– de5 18.Ne5 Bb4 (18...Be6 19.Nb5 a6 20.Qd8 Rfd8 21.Nd4+/–) 19.Nd7 (19.a3 Bc5+/–) 19...Qd7 (19...Nd7 20.a3 Bc3 21.Bc3+/–) 20.Qd7 (20.a3 Be7+–) 20...Nd7 21.a3 (better is 21.Red1 Ne5 22.Nb5 Nec4 23.Bd4+–) 21...Nc4? (better is 21...Bc3 22.Bc3 Nc6+–) 22.Bc4 (22.ab4?! Nb2 23.Nd5 Kh7+/–) 22...Rc4 23.ab4 Rb4 (23...Ne5 24.Rcd1+–) 24.Ba3 a5 (24...Rb3 25.Bf8 Kf8 26.Nd5+–) 25.Bb4 ab4 26.Ne4 (better is 26.Nd5 b3+–) 26...Nc5 (26...g6 27.Red1 Nc5 28.Nc5 bc5 29.Rc5+–) 27.Nc5 bc5 28.Rc5 Rb8 29.Rb1 b3 (29...Kf8 30.Rc4+–) 30.Rc3 b2 31.Rc2 Ra8 (31...Kh7 32.Rcb2 Rb2 33.Rb2+–) 32.Rcb2 Rd8 (32...Ra7 33.g4+–) 33.Rb8 Rb8 34.Rb8 Kh7 35.e4 (35.f4 f6+–) 35...g6 (35...h5 36.f4+–) 36.e5 h5 37.Rb7 Kg8 38.h4 Kf8 39.Kh2 Kg8 40.Kg3 Kf8 41.Kf4 Kg8 42.Kg5 1–0. Fritz 10 – NN, 2007.

8.d3 a6 A) 9.0–0 A1) 9...Re8 10.a4 (10.Nc3 ab5 11.cb5 c6 12.a4 Qa5 13.d4 e4 14.Nd2=; 10.Qa4 Nbd7 11.Qc2 ab5 12.cb5 Nb6 13.Rc1 Na4 14.Ba3=) 10...ab5 11.ab5 Ra1 12.Ba1 Bg4 13.Nbd2 Nbd7 14.h3=; A2) 9...Bf5 10.a4 Nbd7 11.d4 ab5 12.ab5 Ra1 13.Ba1 ed4 14.Bd4= ; A3) 9...Bg4 10.a4 (10.Nc3 ab5 11.cb5 Nbd7 12.a4 d5 13.Qc2 Ra5 14.h3=; 10.Ng5 Be2 11.Qe2 ab5 12.cb5 Nbd7 13.f4 ef4 14.Rf4=) 10...ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.Nc3 c6 14.h3=; A4) 9...Nbd7 10.a4 (10.Qc2 Re8 11.Nbd2 Nc5 12.d4 ed4 13.Bd4 Bg4 14.Bc5=; 10.ba6 Ra6 11.d4 ed4 12.Nd4 Nc5 13.Nc3 Re8 14.Qc2=; 10.Nbd2 Re8 11.Qc2 Nc5 12.d4 ed4 13.Bd4 Bg4 14.Rfd1=; 10.Qd2 c6 11.a4 Re8 12.Nc3 Nc5 13.Qd1 Ne6 14.d4=; 10.a3 Re8 11.Qc2 ab5 12.cb5 Nc5 13.d4 ed4 14.Bd4=) 10...ab5 11.ab5 Ra1 12.Ba1 c6 13.Nc3 Re8 14.d4+=; A5) 9...ab5 10.cb5 c6 11.Nc3 Qa5 12.a4 Bg4 13.Nd2 Be2 14.Ne2= ; B) 9.Nc3 B1) 9...Nbd7 10.a4 (10.ba6 Ra6 11.0–0 Re8 12.d4 ed4 13.Nd4 Nc5 14.Rb1=; 10.0–0 ab5 11.cb5 d5 12.Qb3 Nc5 13.Qc2 Bd6 14.Ne5=; 10.Qc2 ab5 11.cb5 d5 12.0–0 Re8 13.Rfc1 Bd6 14.a4=) 10...ab5 11.ab5 Ra1 12.Qa1 Re8 13.d4 ed4 14.Nd4=; B2) 9...Be6 10.a4 (10.Ng5 ab5 11.Ne6 fe6 12.cb5 d5 13.Qb3 Nbd7 14.0–0=) 10...Re8 11.0–0 Bg4 12.d4 ab5 13.ab5 Ra1 14.Ba1=; B3) 9...Bg4 10.a4 (10.0–0 ab5 11.cb5 Nbd7 12.h3 Be6 13.Ng5 d5 14.Ne6=) 10...ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.0–0 Nc5 14.Qd1=; B4) 9...Re8 10.a4 (10.0–0 ab5 11.cb5 Bg4 12.e4 c5 13.Ng5 Be2 14.Qe2=) 10...Nbd7 11.0–0 Nb6 12.a5 Nbd7 13.d4 e4 14.Nd2=; B5) 9...Bf5 10.e4 (10.a4 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.e4=; 10.0–0 ab5 11.cb5 c5 12.Qc2 Re8 13.e4 Bd7 14.Bc1=) 10...Bg6 11.0–0 ab5 12.cb5 Nfd7 13.Re1 c5 14.Qb3+=; B6) 9...ab5 10.cb5 Nbd7 11.0–0 Re8 12.Qc2 d5 13.Rfc1 Bd6 14.a4= ; C) 9.ba6 C1) 9...Ra6 10.0–0 (10.Nc3 Nc6 11.0–0 Re8 12.d4 ed4 13.Nd4 Ne5 14.Nd5=; 10.Nbd2 Nc6 11.0–0 Bg4 12.c5 Ra7 13.Nc4 Re8 14.Qc2=; 10.Qd2 Nc6 11.Nc3 Bg4 12.d4 e4 13.Ng5 Bf5 14.Qc2=; 10.Qb3 Nbd7 11.d4 ed4 12.Bd4 Ne4 13.Qb2 c5 14.Bc3+=; 10.d4 ed4 11.Nd4 Rb6 12.Qc2 Be6 13.0–0 Nc6 14.Nc6=) 10...Nc6 11.Nc3 Bf5 12.d4 Qd7 13.Nh4 Bg4 14.f3=; C2) 9...b6 10.d4 (10.Nc3 Na6 11.d4 e4 12.Nd2 d5 13.cd5 Bb4 14.Qb3=; 10.Nbd2 Na6 11.0–0 Re8 12.d4 e4 13.Ng5 Bb7 14.d5=; 10.0–0 Na6 11.Nc3 c6 12.d4 e4 13.Nd2 d5 14.Qb3=; 10.Nfd2 Na6 11.0–0 c6 12.Nc3 Be6 13.Nf3 Re8 14.Qc2=; 10.Ng5 Na6 11.0–0 c6 12.d4 h6 13.Nf3 e4 14.Nfd2=; 10.a7 Ra7 11.0–0 Nc6 12.Nc3 Bf5 13.d4 ed4 14.Nb5=; 10.Qd2 c6 11.Nc3 Na6 12.0–0 Qc7 13.d4 Bf5 14.Nh4=; 10.Qc2 Nc6 11.0–0 Ra6 12.d4 ed4 13.ed4 Ra7 14.d5=; 10.a3 Nc6 11.0–0 Ba6 12.Nc3 Bb7 13.d4 ed4 14.Nd4=) 10...e4 11.Nfd2 c6 12.d5 cd5 13.cd5 Na6 14.Nc3=; C3) 9...Na6 10.Nc3 (10.0–0 Bg4 11.Nc3 Re8 12.Nd2 Be6 13.Nde4 Ne4 14.Ne4+=) 10...Qd7 11.0–0 Qf5 12.e4 Qg6 13.Bc1 h6 14.Nh4=; D) 9.a4 D1) 9...Bf5 10.0–0 (10.Nc3 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.e4=; 10.Nbd2 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Re8 14.d4=; 10.Na3 Nbd7 11.0–0 ab5 12.ab5 Nc5 13.e4 Be6 14.Ng5=) 10...ab5 11.ab5 Ra1 12.Ba1 Qd7 13.e4 Be6 14.Nbd2+=; D2) 9...Bg4 10.Nbd2 (10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Nbd7 13.0–0 Nc5 14.d4=; 10.0–0 Nbd7 11.Nc3 c6 12.Ng5 Be2 13.Qe2 d5 14.cd5=; 10.Na3 ab5 11.ab5 Nbd7 12.0–0 Nc5 13.Qc2 Na4 14.Bc1=; 10.Ng5 Be2 11.Qe2 ab5 12.ab5 Ra1 13.Ba1 c6 14.Nc3=) 10...Re8 11.0–0 ab5 12.ab5 Ra1 13.Qa1 c6 14.bc6=; D3) 9...Nbd7 10.0–0 (10.Nc3 ab5 11.ab5 Ra1 12.Ba1 Re8 13.d4 c5 14.de5=; 10.Nbd2 ab5 11.ab5 Ra1 12.Qa1 c6 13.0–0 Re8 14.Qa7=; 10.Bc3 Re8 11.0–0 e4 12.Ng5 ed3 13.Bd3 Nc5 14.Bc2=; 10.d4 e4 11.Nfd2 ab5 12.ab5 Ra1 13.Ba1 Re8 14.Nc3=) 10...Re8 11.Nc3 ab5 12.ab5 Ra1 13.Qa1 Nc5 14.d4+=; D4) 9...Re8 10.Nbd2 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 c6 13.Nc3 Bg4 14.h3=; 10.Nc3 Nbd7 11.0–0 Nc5 12.d4 ed4 13.Nd4 Nfe4 14.Nd5=; 10.Na3 Bg4 11.0–0 Nbd7 12.h3 Be6 13.Ng5 Bf5 14.f4=) 10...Qd7 11.0–0 Qf5 12.Qc2 Nbd7 13.e4 Qg6 14.Nh4+=; D5) 9...Be6 10.Nc3 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 h6 13.Nbd2 Nbd7 14.Qc2=; 10.Ng5 Bf5 11.0–0 ab5 12.ab5 Ra1 13.Ba1 c6 14.Nc3=) 10...Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Re8 14.Qa7=; D6) 9...Qd7 10.Nbd2 (10.Nc3 Qf5 11.0–0 Qg6 12.d4 e4 13.Ne1 Bf5 14.f3=; 10.0–0 Qf5 11.Nbd2 Qg6 12.Qc2 Re8 13.Rfc1 Be6 14.c5=; 10.Na3 Qf5 11.0–0 Be6 12.a5 ab5 13.Nb5 Na6 14.Rb1=; 10.Bc3 Qf5 11.0–0 Be6 12.Nbd2 Nbd7 13.Qc2 Nc5 14.Nh4=) 10...Qf5 11.0–0 Re8 12.Qc2 Nbd7 13.e4 Qg6 14.Nh4+=; D7) 9...Qe8 10.Nbd2 (10.0–0 Bf5 11.e4 Be6 12.Nc3 Nbd7 13.Nd5 Bd8 14.Qc2=; 10.Nc3 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Nb6 14.Qa5+=) 10...ab5 11.ab5 Ra1 12.Qa1 c6 13.Qa8 Nfd7 14.d4+=; D8) 9...ab5 10.ab5 (10.cb5 Be6 11.0–0 c5 12.Nc3 Nbd7 13.Ng5 d5 14.Ne6=) 10...Ra1 11.Ba1 Re8 12.0–0 c6 13.Nc3 Bg4 14.h3=.

8.d3 c6 9.0–0 A) 9...a6 10.bc6 (10.a4 b6 11.Nc3 Bg4 12.d4 ab5 13.ab5 Ra1 14.Ba1=; 10.Qa4 Qb6 11.Nc3 Ra7 12.Qc2 ab5 13.cb5 Bf5 14.e4=) 10...bc6 11.d4 e4 12.Nfd2 Bf5 13.Nc3 Ra7 14.Qc2=; B) 9...Nbd7 10.Qc2 (10.a4 a6 11.Nc3 d5 12.Qc2 Bd6 13.cd5 cd5 14.Rfc1=; 10.Nbd2 a6 11.bc6 bc6 12.Rb1 Rb8 13.Qc2 Qc7 14.d4=; 10.Nc3 cb5 11.Nb5 a6 12.Nc3 b6 13.d4 Bb7 14.Qb1=; 10.Na3 d5 11.bc6 bc6 12.Qa4 Nc5 13.Qc2 e4 14.Ne5=; 10.Qd2 a6 11.a4 Nc5 12.Ra3 Ne6 13.Nc3 Re8 14.d4=) 10...cb5 11.cb5 Qb6 12.a4 a6 13.Na3 Re8 14.Rfc1+=; C) 9...Re8 10.Nc3 (10.Nbd2 a6 11.bc6 Nc6 12.Qb3 Qc7 13.d4 Bf5 14.Rfd1=; 10.Qa4 cb5 11.cb5 Nbd7 12.Rc1 Nb6 13.Qa5 a6 14.ba6=; 10.a3 a6 11.bc6 Nc6 12.Nbd2 Rb8 13.Rc1 b5 14.cb5=; 10.Na3 a6 11.Qa4 cb5 12.cb5 Nbd7 13.d4 e4 14.Nd2=) 10...a6 11.Qa4 Bf5 12.e4 Bg4 13.bc6 Nc6 14.Nd5=; D) 9...Bg4 10.h3 (10.Nc3 cb5 11.cb5 a6 12.h3 Bh5 13.Qb3 Nbd7 14.Rfc1=; 10.a4 Nbd7 11.h3 Bf5 12.Nc3 d5 13.cd5 cd5 14.Nd5=; 10.Qa4 Nbd7 11.Nbd2 Qb6 12.h3 Bf3 13.Nf3 a6 14.Qb4+=; 10.Nfd2 Be6 11.d4 ed4 12.Bd4 d5 13.a4 c5 14.Bb2=; 10.Nbd2 cb5 11.cb5 Nbd7 12.e4 Rc8 13.d4 d5 14.de5=; 10.Na3 a6 11.bc6 Nc6 12.Rb1 b5 13.cb5 ab5 14.Nb5=; 10.Qd2 a6 11.bc6 Nc6 12.h3 Be6 13.Ng5 d5 14.Ne6=; 10.a3 cb5 11.cb5 a6 12.Nfd2 Be2 13.Qe2 Qb6 14.d4=) 10...Bd7 11.Nc3 a6 12.bc6 Nc6 13.d4 Re8 14.Nd5=; E) 9...Be6 10.Ng5 (10.a4 Nbd7 11.Ng5 Bf5 12.f4 Ne8 13.Nf3 Qb6 14.fe5=; 10.Nc3 cb5 11.cb5 a6 12.Ng5 Bd7 13.ba6 Na6 14.d4=; 10.d4 e4 11.Ng5 cb5 12.Ne6 fe6 13.cb5 d5 14.Nd2=) 10...Bf5 11.Nc3 cb5 12.Nb5 a6 13.Nc3 d5 14.cd5=; F) 9...Qc7 10.a4 (10.bc6 bc6 11.c5 Be6 12.cd6 Bd6 13.Nc3 Nbd7 14.Ng5=; 10.Nbd2 Nbd7 11.a4 a6 12.e4 Nc5 13.Qc2 Bg4 14.Rfe1=; 10.Nc3 a6 11.bc6 bc6 12.Rb1 Re8 13.a3 Nbd7 14.d4=) 10...a6 11.Nc3 ab5 12.ab5 Ra1 13.Qa1 Bg4 14.h3=; G) 9...Qa5 10.Qd2 (10.a4 Nbd7 11.Nbd2 a6 12.Qc2 Re8 13.d4 Qc7 14.Rfd1+=; 10.Nc3 Bg4 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.bc6=; 10.Bc3 Qc7 11.a4 Nbd7 12.Nbd2 Rd8 13.Qc2 a6 14.d4=; 10.Qe1 Qe1 11.Re1 a6 12.bc6 bc6 13.c5 e4 14.cd6=) 10...Qd2 11.Nbd2 Bg4 12.h3 Bh5 13.a4 Nbd7 14.g4+=; H) 9...cb5 10.cb5 a6 11.Qa4 Nbd7 12.d4 Nb6 13.Qc2 e4 14.Nfd2=.

8.d3 c6 9.a4 Bf5 (9...a6 10.Nc3 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 cb5 13.cb5 Nbd7 14.Qc2= ; 10.bc6 bc6 11.0–0 Bg4 12.Nc3 Nbd7 13.Rb1 Rb8 14.h3= ; 10.Nbd2 ab5 11.ab5 Ra1 12.Qa1 cb5 13.cb5 Bd7 14.Qa7+= ) 10...Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Qc7 14.Rd1= ; 9...b6 10.Qc2 (10.Nc3 a6 11.0–0 Bd7 12.d4 e4 13.Ng5 ab5 14.ab5+= ; 10.Qd2 Re8 11.0–0 a6 12.Nc3 Bb7 13.d4 e4 14.Ng5= ; 10.Nbd2 a6 11.0–0 ab5 12.ab5 Ra1 13.Qa1 cb5 14.cb5= ; 10.0–0 a6 11.Nc3 Re8 12.d4 Qc7 13.bc6 Nc6 14.Nd5+=; 10.Na3 a6 11.0–0 Qc7 12.d4 e4 13.Nd2 Be6 14.a5=; 10.Qb3 a6 11.0–0 Bg4 12.Nc3 Re8 13.h3 Bf5 14.e4=) 10...a6 11.0–0 Bf5 12.e4 Bd7 13.d4 ed4 14.Bd4+=; 9...Nbd7 10.Nc3 (10.0–0 a6 11.Nc3 d5 12.cd5 cd5 13.Qb3 Nc5 14.Qc2= ; 10.Nbd2 a6 11.0–0 Qc7 12.bc6 bc6 13.Qc2 Rb8 14.Rab1= ; 10.a5 Qc7 11.0–0 Rd8 12.d4 e4 13.Nfd2 d5 14.b6= ; 10.Qc2 a6 11.0–0 ab5 12.ab5 Ra1 13.Ba1 cb5 14.cb5=) 10...a6 11.0–0 ab5 12.ab5 Ra1 13.Qa1 Qc7 14.d4+=; 9...Re8 10.Nc3 (10.0–0 a6 11.Nc3 Bg4 12.h3 Bh5 13.Qc2 Nbd7 14.d4= ; 10.Nbd2 a6 11.0–0 ab5 12.ab5 Ra1 13.Qa1 cb5 14.cb5= ) 10...Bg4 11.0–0 Nbd7 12.h3 Be6 13.Ng5 Bf5 14.f4= ; 9...Be6 10.0–0 (10.Nc3 Nbd7 11.0–0 d5 12.d4 e4 13.Ng5 Bf5 14.f3= ; 10.d4 e4 11.Nfd2 d5 12.cd5 cd5 13.Ba3 Nbd7 14.0–0= ) 10...a6 11.Nc3 Bg4 12.Qc2 Bf5 13.Rfd1 cb5 14.e4+=; 9...Bg4 10.h3 (10.Nc3 Nbd7 11.0–0 d5 12.a5 Qc7 13.a6 dc4 14.dc4= ; 10.Nbd2 Nbd7 11.0–0 a6 12.Ng5 Be2 13.Qe2 d5 14.bc6= ; 10.0–0 Nbd7 11.Nbd2 a6 12.Ng5 Be2 13.Qe2 d5 14.Rfc1= ) 10...Bf5 11.0–0 a6 12.Nc3 Nbd7 13.e4 Bg6 14.Nh4= ; 9...Qc7 10.a5 (10.Nc3 Bd7 11.0–0 a6 12.d4 Bf5 13.Qd2 e4 14.Ne1= ; 10.Qd2 Bf5 11.0–0 Nbd7 12.Nc3 Rfe8 13.e4 Bg4 14.d4= ; 10.Nbd2 a6 11.0–0 b6 12.d4 e4 13.Ng5 d5 14.cd5= ; 10.0–0 a6 11.Nc3 Nbd7 12.Qc2 Re8 13.d4 ed4 14.Nd4+=) 10...Bd7 11.Nc3 cb5 12.cb5 Rc8 13.0–0 Qd8 14.e4+=; 9...Qa5 10.Nbd2 (10.Qd2 Qd2 11.Nbd2 Bg4 12.0–0 Nbd7 13.h3 Bh5 14.a5= ; 10.Bc3 Qc7 11.0–0 a6 12.Nbd2 Bg4 13.h3 Be6 14.d4= ) 10...Bg4 11.0–0 Nbd7 12.Qc2 Rfe8 13.d4 c5 14.Rfe1+=; 9...Bd7 10.0–0 (10.Nc3 a6 11.0–0 Re8 12.d4 ab5 13.ab5 Ra1 14.Qa1+= ; 10.Nbd2 a6 11.bc6 Nc6 12.0–0 Qc7 13.d4 Bf5 14.Nh4= ) 10...a6 11.Nc3 b6 12.d4 e4 13.Ng5 ab5 14.ab5+= ) 10.Nbd2 (10.0–0 a6 11.Nc3 ab5 12.ab5 Ra1 13.Qa1 Nbd7 14.Qa7=; 10.Nc3 a6 11.0–0 Nbd7 12.e4 Bg4 13.Ng5 Be2 14.Qe2=; 10.e4 Be6 11.0–0 a6 12.Nc3 c5 13.Ng5 Bd7 14.f4+=) 10...a6 11.0–0 ab5 (11...Nbd7 12.e4 Bg6 13.Nh4 ab5 14.Ng6+=) 12.ab5 Ra1 13.Qa1 cb5 14.cb5 Nbd7 15.Qa7 Qa8 16.Ra1 Qc8 17.Nc4 Nc5 18.Nb6 Qc7 19.e4 (19.Rc1!? Qd8 20.d4 ed4 21.Bd4+=) 19...Bg6 20.Nc4 d5 (20...Nh5 21.Bc1=) 21.b6+= Qc8 (21...Qd8 22.Nce5 de4 23.Ng6 fg6 24.de4 Nfe4 25.Rd1+/–) 22.Nce5 (22.ed5 Nd5 23.Nfe5 Bf5+/–) 22...de4 23.Ng6 hg6 24.de4 Nce4 25.Rc1 (25.Ba6 Qc2 26.Bd4 Rd8+=) 25...Qb8 (25...Bc5 26.Bd4+=) 26.Qb8 Rb8 27.Be5 Bd6 28.Bd6 Nd6 29.Rc7 (better is 29.Rd1 Nde4 30.Bc4+=) 29...Nd5? (better is 29...Ra8=) 30.Rd7+– Nc3 31.Rd6 (better is 31.Bd3!? Nce4 32.h4+–) 31...Ne2+/– 32.Kf1 Nc3 33.Nd4 (33.Rd7!?+/–) 33...Ne4= 34.Rd7 Nc5 (34...Nd2 35.Ke2 Nc4 36.Rc7 Nb6 37.Nb5+=) 35.Rd5 (35.Rc7!? Na4 36.Nb5+=) 35...Na4= 36.Rb5 Nc3 37.Rb3 Nd5 ½–½. Plock,Joerg – Titz, Magdeburg blitz, 1991.

8.d3 c6 9.Qa4 A) 9...Qc7 10.0–0 (10.Nc3 Nbd7 11.0–0 a6 12.d4 Nb6 13.Qc2 cb5 14.cb5=; 10.Nbd2 Nbd7 11.0–0 a6 12.bc6 bc6 13.Qc2 Rb8 14.Rfb1=; 10.Na3 Bg4 11.h3 Bf5 12.e4 Be6 13.bc6 bc6 14.0–0+=) 10...Nbd7 11.Nc3 a6 12.d4 Nb6 13.Qc2 cb5 14.cb5=; B) 9...Qb6 10.Nc3 (10.0–0 a6 11.Nc3 Ra7 12.Qc2 ab5 13.cb5 Bf5 14.e4=; 10.Na3 Nbd7 11.0–0 a6 12.Rfb1 Nc5 13.Qc2 ab5 14.cb5=) 10...Na6 11.0–0 Bg4 12.Qc2 cb5 13.cb5 Nb4 14.Qd2=; C) 9...Bf5 10.e4 (10.Nc3 Nbd7 11.e4 Be6 12.0–0 Qb6 13.Bc1 Nc5 14.Qc2=; 10.0–0 Nbd7 11.d4 Qc7 12.Qb3 e4 13.Nfd2 a6 14.a4=; 10.Nbd2 Nbd7 11.e4 Nc5 12.Qc2 Bd7 13.d4 ed4 14.Bd4=; 10.Ba3 e4 11.de4 Ne4 12.Bb2 Bf6 13.Qa3 Nd7 14.0–0+=) 10...Be6 11.Nbd2 Nbd7 12.d4 ed4 13.Bd4 cb5 14.Qb5=; D) 9...cb5 10.Qb5 (10.cb5 Be6 11.0–0 Nbd7 12.Nc3 Nb6 13.Qd1 Rc8 14.Rc1=) 10...Nbd7 11.0–0 a6 12.Qa4 Rb8 13.Qc2 Qc7 14.Nc3=.

8.d3 c6 9.Nc3 A) 9...a6 10.a4 (10.bc6 bc6 11.Rb1 Ra7 12.0–0 Rb7 13.Qc2 Qc7 14.d4=) 10...Nbd7 11.0–0 d5 12.Qc2 Bd6 13.cd5 cd5 14.Rfc1+=; B) 9...Nbd7 10.a4 (10.0–0 cb5 11.Nb5 a6 12.Nc3 b6 13.d4 Bb7 14.Qb1=; 10.Rb1 cb5 11.Nb5 a6 12.Nc3 Qa5 13.d4 Nb6 14.0–0=) 10...a6 11.0–0 d5 12.Qc2 dc4 13.bc6 bc6 14.d4= ; C) 9...Re8 10.d4 (10.0–0 a6 11.Qa4 Bf5 12.e4 Bg4 13.bc6 Nc6 14.Nd5=) 10...e4 11.Nd2 cb5 12.Qb3 bc4 13.Bc4 Rf8 14.Nce4+=; D) 9...Be6 10.d4 (10.a4 Nfd7 11.d4 ed4 12.Nd4 Nc5 13.0–0 Bf6 14.Qc2+=; 10.Ng5 Bf5 11.0–0 cb5 12.cb5 d5 13.d4 e4 14.f3=; 10.0–0 cb5 11.cb5 a6 12.Ng5 Bd7 13.d4 ab5 14.Nb5=) 10...cb5 11.de5 de5 12.Qd8 Bd8 13.Nb5 Ba5 14.Kf1+=; E) 9...Bg4 10.0–0 (10.h3 Be6 11.0–0 cb5 12.cb5 Nbd7 13.Ng5 d5 14.Ne6=; 10.a4 Nbd7 11.0–0 d5 12.a5 Qc7 13.a6 dc4 14.dc4=; 10.Rb1 cb5 11.Nb5 Nc6 12.0–0 Rc8 13.Qa4 Bd7 14.Nc3=) 10...cb5 11.cb5 a6 12.h3 Bh5 13.Qb3 Nbd7 14.Rfc1=; F) 9...Bf5 10.0–0 (10.e4 Bg4 11.d4 Qa5 12.0–0 Bf3 13.gf3 a6 14.a4=; 10.a4 Nbd7 11.0–0 a6 12.e4 Bg4 13.Ng5 Be2 14.Qe2=) 10...a6 11.bc6 Nc6 12.e4 Bg4 13.Nd5 Be6 14.d4+= ; G) 9...Qb6 10.a4 (10.0–0 cb5 11.cb5 a6 12.Qa4 Be6 13.d4 e4 14.Nd2=; 10.Qd2 cb5 11.Nb5 Bf5 12.0–0 Nc6 13.Rab1 Qd8 14.e4=) 10...Nbd7 11.0–0 Qc7 12.d4 a6 13.Bd3 ed4 14.ed4+=; H) 9...cb5 10.cb5 (10.Nb5 Nc6 11.d4 Bg4 12.h3 Bf3 13.Bf3 e4 14.Be2=) 10...a6 11.a4 Be6 12.0–0 ab5 13.ab5 Ra1 14.Qa1=.

8.d3 Bf5 A) 9.Nc3 A1) 9...a6 10.a4 (10.e4 Bg6 11.0–0 ab5 12.cb5 c6 13.Nh4 d5 14.Ng6=; 10.0–0 ab5 11.cb5 c5 12.Qc2 Re8 13.e4 Bg4 14.Ng5=) 10...Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.e4=; A2) 9...Nbd7 10.e4 (10.d4 c6 11.0–0 a6 12.a4 Qc7 13.Qb3 Rfc8 14.Rfc1=; 10.0–0 a6 11.e4 Bg4 12.d4 Re8 13.h3 Bh5 14.a4=) 10...Be6 11.0–0 Nc5 12.Ng5 a6 13.d4 ed4 14.Qd4=; B) 9.e4 B1) 9...Be6 10.Nc3 (10.Ng5 a6 11.Ne6 fe6 12.a4 ab5 13.ab5 Ra1 14.Ba1=; 10.Nbd2 a6 11.Ng5 Bd7 12.d4 ed4 13.Bd4 ab5 14.cb5+=) 10...c5 11.0–0 a6 12.a4 Bd7 13.Qd2 b6 14.Rfb1+=; B2) 9...Bg4 10.Nc3 (10.0–0 a6 11.Ng5 Be2 12.Qe2 ab5 13.cb5 c6 14.bc6=; 10.Ng5 Be2 11.Qe2 a6 12.0–0 ab5 13.cb5 c6 14.Nf3=) 10...Nbd7 11.0–0 Nc5 12.d4 Nce4 13.Ne4 Ne4 14.Qc2=; B3) 9...Bg6 10.Nh4 a6 11.Ng6 fg6 12.0–0 Nbd7 13.Nc3 ab5 14.cb5+= ; B4) 9...Bd7 10.Nc3 (10.0–0 a6 11.d4 ab5 12.de5 de5 13.Ne5 Ne4 14.cb5=) 10...a6 11.d4 ed4 12.Qd4 Be6 13.0–0 Nbd7 14.Rfd1=; C) 9.0–0 a6 10.a4 Nbd7 11.d4 ab5 12.ab5 Ra1 13.Ba1 ed4 14.Bd4= ; D) 9.Nbd2 a6 10.a4 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 c6 14.e4= ; E) 9.a4 E1) 9...Re8 10.Nc3 (10.0–0 a6 11.e4 Bc8 12.Nbd2 Nbd7 13.d4 ed4 14.Bd4=; 10.e4 Bg4 11.0–0 Nbd7 12.Nd4 Be2 13.Ne2 a6 14.f4=; 10.Nbd2 Nbd7 11.e4 Bg4 12.0–0 Nc5 13.Ne1 Bd7 14.f4=) 10...a6 11.e4 Bg6 12.Nh4 Bh5 13.Bh5 Nh5 14.Qh5+=; E2) 9...Nbd7 10.Nc3 (10.0–0 a6 11.d4 ab5 12.ab5 Ra1 13.Ba1 ed4 14.Bd4=; 10.e4 Be6 11.0–0 Nc5 12.Nc3 a6 13.Qc2 Bg4 14.d4=; 10.d4 c6 11.de5 de5 12.Ne5 Qa5 13.Kf1 Rfd8 14.Nf3=; 10.Na3 Re8 11.0–0 a6 12.d4 ab5 13.ab5 Ne4 14.Bd3=; 10.a5 a6 11.0–0 ab5 12.cb5 c6 13.bc6 bc6 14.Bc3=) 10...a6 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.e4=; E3) 9...Qd7 10.Qc2 (10.Nc3 a6 11.0–0 Re8 12.e4 Bg4 13.d4 ab5 14.ab5+=; 10.e4 Bg6 11.Nh4 a6 12.0–0 Qe6 13.f4 ef4 14.Rf4+=; 10.Nbd2 a6 11.0–0 Bg4 12.Ng5 Re8 13.Nge4 Bf5 14.Nf6=; 10.0–0 a6 11.Nc3 Re8 12.e4 Bg4 13.d4 ab5 14.ab5+=; 10.Na3 a6 11.0–0 Qe8 12.e4 Be6 13.Ng5 Bc8 14.f4=; 10.Qd2 a6 11.0–0 ab5 12.ab5 Ra1 13.Ba1 c6 14.Nc3=) 10...a6 11.0–0 Bg4 12.Nc3 Bf5 13.e4 Bg4 14.d4+=; E4) 9...c6 10.0–0 (10.Nc3 a6 11.0–0 Nbd7 12.e4 Bg4 13.Ng5 Be2 14.Qe2=; 10.Nbd2 a6 11.e4 Bg6 12.0–0 ab5 13.ab5 Ra1 14.Qa1=; 10.e4 Bg4 11.0–0 a6 12.Nfd2 Be6 13.d4 ed4 14.Bd4=) 10...Nbd7 11.e4 Be6 12.Ng5 Qc7 13.Nd2 a6 14.d4=; E5) 9...Qe8 10.e4 (10.Nc3 a6 11.0–0 Nbd7 12.a5 ab5 13.cb5 Ra7 14.d4=; 10.0–0 a6 11.Nc3 Nbd7 12.a5 ab5 13.cb5 Ra7 14.d4=; 10.Nbd2 a6 11.e4 Bg6 12.Nh4 Nbd7 13.0–0 Nh5 14.Ng6=) 10...Be6 11.0–0 a6 12.Ng5 Bd7 13.d4 ed4 14.Qd4+=; E6) 9...a6 10.0–0 (10.Nc3 Nbd7 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Re8 14.e4=) 10...Nbd7 11.d4 ab5 12.ab5 Ra1 13.Ba1 Qa8 14.Nc3=.

8.d4 Nbd7 9.Qc2 e4 (9...ed4 10.Bd4 Nc5 11.0–0=) 10.Ng5+= c6 11.Ne4 Ne4 12.Qe4 Nf6 13.Qd3 cb5 14.cb5 d5 15.Nc3 Bb4 16.0–0 Re8 17.Bf3 a6 18.Rfc1 ab5 19.Qb5 Bc3 20.Bc3 Ne4 21.a4 Re6 22.a5 Rh6 23.Bb4 Bf5 (23...Re6+–) 24.Qb7 Rb8 (24...Rha6 25.Bh5 Be6 26.Be2+–) 25.Be7 Qe8 (25...Rb7 26.Bd8 Ra6 27.Bb6+–) 26.Qd5 Rb5 (26...Qe7 27.Qf5 Nd6 28.Rcb1+–) 27.Qb5! (27.Be4?! Rd5 28.Bd5 Qe7+=) 27...Qb5 (27...Qb5 28.Be4 Combination) 28.Be4 f6 (28...Bg4 29.Rcb1 Qc4 30.Rb8 Bc8 31.Bc5+–) 29.Bf5 (29.Bf5 Qf5 30.a6+–) 1–0. pierre – osopanda, ChessHere.com, 2006.

8.d4 e4 9.Nfd2=.

6.Be2 Nbd7

7.a3 Nb6 8.0–0 Be6 9.d3 Qd7 10.Nbd2 a6 11.Qc2 Na4 12.Bc1 Rac8 13.Bd1 Nb6 14.Bb2 c5 15.bc5 Rc5 16.a4 (16.Rb1 Rfc8=) 16...a5 (16...e4!? 17.Bf6 ed3 18.Qd3 Bf6+=) 17.Ba3 Rc7 18.Nb3 (18.Rb1!? Qc6 19.Rb5+=) 18...Ra8 (18...e4 19.Nfd2 ed3 20.Qb2 Nc4 21.Nc4 Bc4 22.Na5–/+) 19.Qd2 Nc4?? (19...e4 20.Nfd4 ed3 (20...Na4?! 21.Na5 Nc5 22.Ne6 Qe6 23.d4=) 21.Na5 Nc4 (21...Na4? 22.Ba4 Qa4 23.Bd6 Qa1 24.Ra1+/–) 22.Nc4 Bc4–/+ (22...Rc4?! 23.Qd3 Rc7 24.Ne6 fe6 25.Bb2=)) 20.dc4+/– Bc4 21.Re1 b6 22.Nc1 Ne4 23.Qb2 Rb8 24.Be2 Bd5 25.Nd3 (25.Bb5 Qg4 26.h3+=) 25...Qf5 (better is 25...Nc3 26.Bf1 e4+=) 26.Rec1+/– Rcb7 27.Rc2 (better is 27.Qb5 Nc5 28.Nc5 (worse is 28.Bc5 bc5 29.Qa5 e4–/+) 28...bc5 29.Qa5+=) 27...Qg4? (27...Nc5 28.Qc3+=) 28.h3 (better is 28.Nfe5 Qf5 29.Qb5+–) 28...Qg6+/– 29.Rac1 (29.Nde1 Nc5+/–) 29...Bf8 (better is 29...Nc5!? 30.Nde1 Bb3+=) 30.Nde1+/– Ng5 (30...Nc5!?+/–) 31.Ng5+– Qg5 32.Bf3 (32.Rd2!? Be4 33.Bd6 Bd6 34.Rd6 Qe7+–) 32...e4 33.Be2 Re7?? (better is 33...Be6 34.Ba6 Ra7+–) 34.Rc8 (better is 34.Bd6 Ree8 35.Bb8 Rb8+–) 34...Re8 35.Re8 Re8 36.Qb6 Qe5 (36...Qd8 37.Rb1 Be6+–) 37.Bd6 (better is 37.Qa5 Ra8 38.Qb5+–) 37...Bd6+= (37...Qd6?! 38.Qa5 Ra8 39.Qb5=) 38.Rd1?? (better is 38.Bb5 Qh2 39.Kf1–/+) 38...Qh2 39.Kf1 Qh1 0–1. Fournier,Frederic (1615) – aperitivo (1680), Active, 2006.

7.a3 Re8 8.0–0 e4 9.Nd4 c6 10.d3 d5 11.de4 Ne4 12.Nc3 Nc3 13.Bc3 Nf6 14.Nf3 Bd6 15.c5 Bc7 16.Qc2 Ne4 17.Bb2 Bg4 18.h3 Bf3 19.Bf3 Qh4 20.Be4 de4 21.Rad1 Qh6 (21...Rad8 22.Qa4 Bb8 23.b5 cb5 24.Qb5=) 22.Rd4 (22.Rd7 Rac8 23.Qa4+=) 22...f5 (better is 22...Qe6=) 23.Rd7+– Bd8? (better is 23...Be5+–) 24.Rg7 Kf8 25.Qc4 Re7 (25...Qe6 26.Qe6 Re6 27.Rh7 Ke8+–) 26.Re7 (26.Qg8) 26...Be7+– 27.Qd4 Bf6?? (better is 27...Rd8 28.Qe5 Qg6+–) 28.Qf6 Qf6 29.Bf6 Kf7 30.Bh4 Rg8 31.Bg3 Kf6 32.Bf4 Rg7 33.Rd1 h5 34.Rd6 Kf7 35.Rd7 Kf6 (35...Kf6 36.Be5! Ke5 37.Rg7 b6+–). Fournier,Frederic – LGNR, Active, 2007.

7.Qc2 a5 8.b5 a4 9.d4 Re8 10.0–0 Bf8 11.a3 e4 +=.

7.Qc2 b6 a4 9.d4 Re8 10.0–0 Bf8 11.a3 e4+=) 8.0–0 (8.Nc3 a5 9.b5 Re8 10.d4 Bb7 11.0–0 ed4+=; 8.d4 ed4 9.Nd4 Bb7 10.0–0 c5 11.bc5 Be4=; 8.d3 c5 9.b5 a6 10.Nc3 Bb7 11.0–0 ab5=) 8...Bb7 9.Ng5 (9.Nc3 Re8 10.e4 a5 11.a3 c6=) 9...h6 10.Bf3 (10.Nf3!?+= c5 11.b5 a6=; 10.Nh3 c5 11.bc5 dc5=) 10...d5–/+ 11.Nh3 (11.cd5 Ba6+=) 11...Bb4 (11...e4 12.Be2–/+) 12.cd5+= Nd5 (12...Bd5 13.Bd5 Nd5=) 13.Qb3 (better is 13.Qc4!? b5 14.Qb5+=) 13...Nc5–/+ 14.Qc2 Ba6 15.Rc1 (15.a3!? Bd3 16.Qd1–+) 15...Bd3–+ 16.Qd1 e4 17.Be2 Be2 18.Qe2 Nd3 19.Rc2 Be7 (19...Nb2 20.a3 Nd3 21.ab4 N5b4 22.Rc4–+) 20.Bd4 (20.Bc3 f5–+) 20...c5 21.Bc3 Bf6 22.Qg4 (22.a3 b5–+) 22...N5b4 23.Bb4 (23.Bf6 Qf6 24.Rc3 Rfe8–+) 23...Ba1 (23...cb4 24.Nc3 Re8 25.Nf4–+) 24.Ba3 (24.Bc3 Bc3 25.dc3 Ne5–+) 24...f5 25.Qg6 Qf6 (25...Qh4 26.Qg3 Qg3 27.fg3–+) 26.Qg3 (26.Qf6 Rf6 27.Nf4 Nf4 28.ef4 Rd6–+) 26...Be5 27.f4 ef3 28.Qf3 Qd6 29.Qe2 Bh2 30.Kh1 Be5 31.Nc3 Rad8 32.e4 (32.Nb5 Qg6 33.Nd4 f4–+) 32...fe4 33.Qe4 (33.Ne4 Qd4 34.Rc1–+) 33...Rf1 34.Ng1 Nf2 0–1. Gioutioudi,I – Rogule,Laura, EU–ch U12 Girls, 2000.

7.Nc3 Nb6 8.d4 ed4 (8...a5 9.b5=) 9.Qd4 Bf5 (9...a5 10.b5+=) 10.0–0+= Qd7 11.e4 Bg4 (11...Be6 12.Ng5=) 12.h3 Bh3? (better is 12...Bh5!?+=) 13.gh3+– Qh3 14.Rfe1 (14.Rfd1 Qg4 15.Kf1 Rfe8+–) 14...Ng4 (14...Rfe8 15.a3+–) 15.Nd5 Nd5?? (15...Bf6 16.Nf6 gf6+–) 16.Qg7 1–0. wiking – towaqex, internet, 2010.

7.Nc3 d5 A) 8.cd5 Bb4 A1) 9.a3 Ba5 10.Qc2 Re8 (10...Qe7 11.e4 Rd8 12.0–0=) 11.e4 Nc5 (11...Nh5= 12.0–0=) 12.d3=; A2) 9.Qc2 Qe7 10.e4 Rd8 11.0–0 a6 12.Rfc1=; A3) 9.Rc1 e4 10.Nd4 Nb6 11.0–0 Bc3 12.Bc3+=; A4) 9.Qb3 a5 10.Rc1 Re8 11.Nb5 Nc5 12.Qc2=; B) 8.Nd5 Nd5 9.cd5 e4 10.Nd4 Nf6 B1) 11.a3 a5 (11...Qd5= 12.f3=) 12.b5=; B2) 11.b5 Qd5 12.0–0=.

7.d3 c5 8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 e4 12.de4 Ne4 13.Nbd2 Nd2 14.Qd2 Bf6 15.Bf6 Nf6 16.0–0 b6 17.Rd1 d5 18.cd5 Bb7 19.Bc4 Ne4 20.Qd3 Nd6 21.e4 Qf6?? (better is 21...Qe7+–) 22.e5 Qf5 (22...Qf4 23.ed6 Bc8 24.Re1+–) 23.ed6 Qd3 24.Rd3 Rd8 25.h3 (better is 25.Ra3!? f6 26.Ra7 Bc8+–) 25...g6 26.Ne5 Rd6 27.Nc6 Kg7 28.f4 Bc8 29.g4 h5 30.Ne5 hg4 31.hg4 (31.Ng4 Kf8+–) 31...Bb7 (31...f6+–) 32.Nc6 Bc8 33.g5 Bf5 34.Rd2 Be6 (34...f6 35.Kf2+–) 35.Kf2 (better is 35.de6 Re6 36.Be6 fe6 37.Ne5+–) 35...Bf5 36.Ke3 Bb1 (36...f6 37.Ra2 Bh3 38.gf6 Kf6 39.Ra6+–) 37.Ne5 (37.Rb2 Bf5+–) 37...Bf5 (37...f6 38.gf6 Kf6 39.Bf1+–) 38.Nf3 (better is 38.Ra2!? Kf8+–) 38...f6 39.gf6 Kf6 40.Ng5 Bd7 (40...Ke7+–) 41.Ne4 Ke7 42.Nd6 (better is 42.Rh2!? Rd5 43.Bd5 Kd8+–) 42...Kd6 43.Rh2 Bf5 (43...Kc7 44.Rh7 Kd6 45.Rf7+–) 44.Rh8 Kc7 45.Rh7 Kd6 (45...Kc8 46.d6 Kd8 47.Bd5+–) 46.Ra7 g5 47.fg5 Bg6 48.Kf4 Be8 49.Kf5 (49.Kf5 Bh5 50.Rb7+–) 1–0. Fournier,Frederic – Sermarius, Partie evaluee, 5m + 0s, 2007.

7.d3 Ne8 8.0–0= f5 9.Nc3 Ndf6 10.Qb3 Kh8 11.a3 b6 12.Nd2 Bb7 13.Bf3 Qc8 14.b5 Bf3 15.Nf3 c5 16.bc6 Qc6 17.a4 Nc7 18.Ba3 Rab8 (18...Qd7!?=) 19.Ne5!+/– de5 20.Be7 Rf7 21.Bf6 Qf6 22.Nd5 (22.a5 Rd7 23.Rfd1 Qd8+/–) 22...Nd5+= 23.cd5 f4 24.Rac1 f3 25.g3 Qf5 26.Kh1 Rf6 27.Rc4 (27.Rc6!?+=) 27...Qh3= 28.Rg1 Qd7 (better is 28...Rh6!? 29.Rh4 Rh4 30.gh4 Qh4=) 29.Qb5+/– Qf7 (29...Qh3 30.Rc6+/–) 30.d6 Qe6 (30...Rd6 31.Qe5 Discovered attack) 31.d7 Rh6?? (31...Rd8 32.Rc8 Rff8 33.Rc7+=) 32.Rc8! Rc8 33.dc8Q (33.dc8N?? Rh2 34.Kh2 Qh6#) 33...Qc8 34.Qe5 Rf6 35.d4 h6 36.g4 a5 (36...Qc2 37.Qb8 Kh7 38.Qg3+=) 37.Qe4 Qc6 (37...Qd7 38.g5 hg5 39.Rg5+/–) 38.d5 (38.Qc6 Rc6 39.h4 Rc2+–) 38...Qc3 39.Qe8 Kh7 40.Qe4 Kg8 (40...Kh8 41.Qe7 Qc4+–) 41.g5 hg5 42.Qe8 Rf8 43.Qe6 Rf7 44.Qe8 Rf8 45.Qg6 Qb2 46.Qg5 (46.Rg5?! Rf7+=) 46...Rf7 47.Qh4 Qd2 (47...Qe5 48.Rd1 Qb2 49.d6+/–) 48.e4+– Qd4 49.Qd8 Rf8 50.Qd7 Qe5 51.Qg4?? (better is 51.d6!?+–) 51...Rf4+= 52.Qc8 (52.Qg3 Re4 53.Qh3 Qd5 54.Qc8 Kf7 55.Qc7 Re7 56.Qb6 Rd7=) 52...Rf8 (better is 52...Kh7!?=) 53.Qb7+/– ½–½. Nemeth,Laszlo1 (1985) – Bognarne,Cinolter (1980), Gyongyos Matra Cup, 2004.

7.d4 b6 8.Nc3= ed4 (8...c5 9.bc5 bc5 10.Rb1=) 9.Nd4 Bb7 (9...Ne5 10.0–0=) 10.Bf3 (10.0–0 c5 11.Nc2 Qc7+=) 10...Bf3= 11.Nf3 (worse is 11.Qf3 Ne5 12.Qe2 c5+=) 11...Ne5 (11...d5 12.cd5 Bb4 13.a3=) 12.Qe2 Qc8 (12...c6 13.0–0=) 13.0–0 (13.Nd5 Nd5 14.cd5 Qg4+=) 13...Qb7 (13...Qe6 14.Ne5 de5 15.b5=) 14.e4+= Nf3 (14...c6 15.Rad1+=) 15.Qf3 Rae8 (15...c6 16.b5+=) 16.Nd5+/– Nd7 (16...Nd5 17.cd5 f5 18.ef5+=) 17.Qg3 (better is 17.Bg7!? Kg7 18.Qg4 Bg5 19.Qg5 (19.Qd7?! Re4 20.Nc7 Qc8+/–) 19...Kh8 20.Rfe1+–) 17...f6+/– 18.Qg4 (18.b5 Nc5+/–) 18...c6+= 19.Qe6 Rf7 20.Ne3 Ne5 21.Nf5 (21.Rfd1 c5 22.Rd6 Qe4+=) 21...Kf8 (21...Qa8 22.Ne3+=) 22.Nd6 (22.f4 d5 23.Nd6 Bd6 24.Qd6 Kg8 25.fe5 Rd7 26.Qd7 Qd7 27.ef6 gf6 (27...Re4 28.f7 Qf7 29.Rf7 Kf7 30.cd5 Rb4 31.dc6+–) 28.ed5 Re2–/+) 22...Bd6+= 23.Qd6 Kg8 24.Qd4 Rd7 (24...c5 25.Qd5=) 25.Qc3+= Red8 (25...c5 26.bc5 bc5 27.f3+=) 26.Qh3 (26.Qg3 Rd3 27.f3 Qe7 28.Be5 fe5+=) 26...Ng6 (26...Nd3 27.Bc3+=) ½–½. Kaminski,Piotr – Szymczak,Jaroslaw, tt Olsztyn Poland, 1993.

7.d4 ed4 8.ed4 Re8 9.Nc3 Nf8 10.0–0 Ng6 11.Ne1 (11.d5 Nf4=) 11...d5+= 12.c5 c6 13.Nd3 Qc7 14.f4 Bf5 15.Ne5 Ne4 16.Bd3 Nc3 17.Bc3 Bd3 18.Qd3 Nf8 19.Qg3 Nd7 20.Ng4 Nf6 21.Nf6 Bf6 22.Rfe1 Qd7 23.Qf3 Rad8 24.Rad1 h6 25.h3 Bh4 26.Re5 Bf6 27.Ree1 g6 28.Kh2 a6 29.Qd3 Kg7 30.g3 h5 31.Kg2 Qc8 32.a4 Qc7 33.b5 ab5 34.ab5 h4 35.Re8 Re8 36.b6 Qb8 37.Re1 hg3 38.Re8 (38.Kg3?? Bh4 39.Kf3 Be1–+) 38...Qe8 39.Kg3 Qe6 40.Bd2 Be7 41.Qe3 Kf6 42.Qe6 Ke6 43.Kg4 f5 44.Kf3 Bh4 45.Be3 Kf7 46.Kg2 Kg7 47.Bd2 Kh6 48.Be3 Kh5 49.Bd2 ½–½. Cavadini,Ignacio – Radoszta,Armando E (2125), Villa Martelli op, 2006.

7.0–0 a6

8.d3 c6 9.Nbd2 b5 10.cb5 ab5 11.a4 Nb6 12.a5 Nbd5 13.Qb3 Be6 14.Qa3 Nd7 15.e4 Nc7 (15...Nf4!? 16.Rfe1 f5+=) 16.Rfc1 Nb8 17.d4 ed4 18.Bd4 d5 19.ed5 (19.Qb2!? de4 20.Ne4+/–) 19...Bd5 20.Bb6 Nba6 21.Bc7 Qc7 22.Qe3 Rae8 (22...Rfe8!? 23.Bb5 Nb4–/+) 23.Qb6 Qb6 24.ab6 Nb4 25.Bf1 (25.Ra5 Bd8 26.Bb5 Bb6–/+) 25...Bf6 (better is 25...Rb8!?–+) 26.Ra7–/+ Ra8 27.Ra8 Ra8 28.Nb1? (better is 28.b7 Rb8 29.Bb5 Rb7 30.Bc4–+) 28...Rb8 29.Nc3 Bc3 (29...Rb6?! 30.Nb5 Bf3 31.gf3–+) 30.Rc3 Rb6 31.Ra3 Ra6 32.Re3 Kf8 33.g3 Bf3 34.Rf3 Ra1 35.Kg2 g6 36.Rf4 Nd5 37.Re4 Ra2 38.Rd4 Nc3 39.Rd3 b4 (39...Ne4 40.Rf3–+) 40.Rd8 Ke7 41.Rc8 Kd6 42.Rf8 Ne4 43.Rf7 c5 (43...b3 44.Bc4 Ra3 45.Rb7–+) 44.Bc4 Ng5?? (better is 44...Rd2!?–+) 45.Rf6?? (better is 45.Ba2 Nf7 46.Bf7+/–) 45...Ke5–/+ 46.Rc6 Rc2 47.Rc5 Kf6 (47...Kd4 48.Rg5 Kc4 49.Rg4 Kc3 50.Re4–+) 48.Rc6 Ke7 49.Bb5 (49.h4 Kd7 50.Rb6 Rc4 51.hg5 Kc7+=) 49...b3 50.Ba4?? (better is 50.Rb6 b2 51.Bd3–/+) 50...Rc6–+ 51.Bc6 (51.Bb3 Rd6–+) 51...b2 52.f4 (52.h4–+) 52...Ne6 (52...b1Q 53.fg5 Qc2 54.Kg1 Qc5 55.Kg2 Qc6 56.Kf2 Qc5 57.Kg2 Qd5 58.Kf2 Qd2 59.Kf3 Qh2 60.Kg4 Qe2 61.Kf4 Qf2 62.Ke4 Qg3 63.Kd4 Qg5 64.Ke4 h5 65.Kf3 h4 66.Ke4 h3 67.Kd3 h2 68.Kd4 h1Q 69.Kd3 Qf3 70.Kc4 Qgd5 71.Kb4 Qfb3) 53.Be4 Kd6 54.Bb1 Nd4 55.Kf2 Kc5 (better is 55...Nb5!?–+) 56.Ke3 (56.g4!?–/+) 56...Nb3 0–1. Fournier,Frederic – globertrotter, Active, 2004.

8.d4 ed4 9.ed4 c5 10.bc5 dc5 11.d5 Bd6 12.Re1 Re8 13.Nc3 Ne5 14.Qd2 Ng6 15.g3 Bd7 16.a4 Qa5 17.Ne4+/– Qd2 18.Nf6 gf6 19.Nd2 Ne5 20.f4+– Ng6 21.Bf6 Ne7 22.Ne4 Nc8 23.Nd6 Nd6 24.Be5 Nf5 25.Rab1 Bc8 26.Bd3 Ne7 27.Bf6 Kf8 28.Re5 Ng6 29.Bg7! Kg7 30.Re8 (30.Re8 Nf8 31.Rb3+–) 1–0. guest838 – guest161, ICC, 2002.

8.d4 e4 9.Nfd2 d5 10.a3 Nb6 11.c5 Nbd7 12.Nc3 Re8 =.

7.0–0 b6

8.d3 a5 A) 9.a3 c6 (9...ab4 10.ab4 Ra1 11.Ba1 Bb7 12.b5 Re8 13.Nbd2=; 9...Re8 10.b5 Bb7 11.Nc3 Rc8 12.d4 ed4 13.Nd4+=; 9...Bb7 10.b5 c6 11.Nc3 cb5 12.Nb5 Rc8 13.Rb1+=) 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 Bb7 13.b5=; B) 9.Qa4 Re8 (9...e4 10.de4 Bb7 11.b5 Ne4 12.Nc3 Bf6 13.Qc2=; 9...Bb7 10.b5 Nc5 11.Qc2 e4 12.Ne1 a4 13.d4+=; 9...Rb8 10.b5 Re8 11.d4 ed4 12.Nd4 Bb7 13.Bf3=; 9...Qe8 10.d4 ed4 11.ed4 d5 12.b5 Bb7 13.Nbd2=; 9...Ra7 10.Nbd2 Re8 11.Nb3 c5 12.a3 Qc7 13.b5=; 9...Ba6 10.b5 Bb7 11.d4 ed4 12.ed4 Re8 13.Re1=) 10.d4 Bb7 11.b5 ed4 12.Bd4 Ne4 13.Qc2=; C) 9.b5 Bb7 (9...a4 10.d4 ed4 11.Bd4 Bb7 12.Nc3 a3 13.Qc2+=; 9...Re8 10.Nc3 Bb7 11.d4 ed4 12.Nd4 Ra7 13.Nf5+=; 9...Ra7 10.Nc3 Bb7 11.d4 Re8 12.a3 Qa8 13.d5+=; 9...Qe8 10.d4 ed4 11.ed4 Qd8 12.Nc3 Re8 13.Re1+=; 9...Nc5 10.d4 ed4 11.Nd4 Bb7 12.Bf3 Nfe4 13.Nc3=; 9...Kh8 10.d4 ed4 11.Nd4 Bb7 12.Nc3 Nc5 13.Nf5+=; 9...h6 10.d4 ed4 11.Nd4 Bb7 12.Nc3 Re8 13.Nf5+=) 10.Nc3 Re8 11.d4 ed4 12.Nd4 Ra7 13.Nf5=.

8.d3 a6 9.Nc3 c5 10.a3 Re8 11.Qa4 Bb7 12.e4 Qc7 13.Rfb1 =.

8.d3 Ba6 9.Nc3 Bb7 10.d4 c5 11.bc5 bc5 12.d5 Rb8 13.Rb1 +=.

8.d3 Nb8 A) 9.Nfd2 c6 (9...a6 10.f4 ef4 11.Rf4 d5 12.a3 Nbd7 13.Nc3=; 9...Qd7 10.f4 c6 11.Qe1 ef4 12.Rf4 d5 13.Qg3=; 9...Bb7 10.f4 a6 11.a3 ef4 12.Rf4 d5 13.Bf3=; 9...Be6 10.a3 c6 11.d4 ed4 12.Bd4 d5 13.Qc2=; 9...Nbd7 10.Bf3 Rb8 11.b5 a6 12.Qc2 Nc5 13.d4+=; 9...d5 10.b5 Bd6 11.cd5 a6 12.Nc4 ab5 13.Nd6=; 9...a5 10.b5 Be6 11.Bf3 Ra7 12.Nc3 Nbd7 13.Nde4+=; 9...Bd7 10.f4 ef4 11.Rf4 d5 12.a3 a5 13.b5=; 9...Qe8 10.Bf3 c6 11.d4 ed4 12.Bd4 d5 13.a3+=) 10.f4 ef4 11.Rf4 d5 12.a3 dc4 13.Nc4=; B) 9.Nbd2 Re8 (9...a6 10.a3 Re8 11.d4 e4 12.Ng5 Bb7 13.Qc2+=; 9...Bb7 10.a3 a5 11.b5 Re8 12.d4 e4 13.Ng5=; 9...c6 10.Qc2 a5 11.b5 cb5 12.cb5 Bb7 13.Rfc1=; 9...Qd7 10.Qc2 Qf5 11.a4 a5 12.b5 Re8 13.Ne1=; 9...Qe8 10.Qc2 Bf5 11.a3 a5 12.b5 Nbd7 13.Nh4+=; 9...Nbd7 10.a3 Bb7 11.Qc2 a5 12.d4 e4 13.Ng5=; 9...a5 10.b5 a4 11.a3 c6 12.bc6 Nc6 13.e4+=; 9...Bd7 10.a3 c6 11.Qc2 Bg4 12.d4 Nbd7 13.Bd3+=; 9...c5 10.Ne5 a5 11.Bf3 Ra7 12.Nc6 Nc6 13.Bc6+=) 10.Qc2 Bb7 11.a3 c5 12.Qb3 Nbd7 13.d4=; C) 9.a3 c6 (9...a6 10.Nc3 Nbd7 11.d4 Bb7 12.Qc2 ed4 13.Nd4+=; 9...Nbd7 10.d4 e4 11.Nfd2 c6 12.Nc3 d5 13.f3+=; 9...Re8 10.Nc3 Bb7 11.d4 a5 12.de5 de5 13.Ne5+=; 9...Bd7 10.d4 e4 11.Nfd2 c6 12.d5 Bf5 13.Nc3+=; 9...Bb7 10.d4 e4 11.Nfd2 a5 12.ba5 Ra5 13.Qc2+=; 9...a5 10.b5 c6 11.Nc3 Re8 12.Qa4 Bd7 13.d4+=; 9...Bf5 10.e4 Be6 11.Nbd2 c5 12.Ng5 Nc6 13.b5=; 9...c5 10.Nfd2 a6 11.Bf3 Ra7 12.Ne4 Nbd7 13.Nbc3+=) 10.Nc3 a6 11.e4 c5 12.bc5 bc5 13.Rb1=; D) 9.a4 Bb7 (9...a6 10.Nc3 Re8 11.d4 e4 12.Nd2 d5 13.b5+=; 9...Re8 10.Nbd2 a6 11.Bc3 Nc6 12.b5 Nb8 13.Qc2=; 9...c6 10.Nc3 Re8 11.d4 e4 12.Nd2 d5 13.b5=; 9...Nbd7 10.Nc3 c5 11.bc5 bc5 12.Rb1 Re8 13.Nd2=; 9...a5 10.b5 Re8 11.d4 ed4 12.Nd4 Ra7 13.Nc3+=; 9...Bf5 10.Nbd2 a6 11.e4 Bg4 12.d4 Bf3 13.Nf3+=) 10.a5 c5 11.bc5 bc5 12.d4 cd4 13.ed4=; E) 9.Qc2 Bf5 (9...Re8 10.Nbd2 Bb7 11.a3 a5 12.Bc3 ab4 13.ab4+=; 9...Bb7 10.Nc3 Re8 11.a3 c5 12.bc5 bc5 13.Rab1+=; 9...c6 10.Nbd2 a5 11.b5 cb5 12.cb5 Bb7 13.Rfc1=; 9...a5 10.b5 c6 11.d4 e4 12.Nfd2 cb5 13.Ne4+=; 9...a6 10.d4 e4 11.Nfd2 d5 12.cd5 Nd5 13.a3+=; 9...c5 10.bc5 bc5 11.d4 ed4 12.ed4 Nc6 13.Nbd2=; 9...Bg4 10.Nbd2 a6 11.d4 ed4 12.Nd4 Be2 13.Ne2+=; 9...Qd7 10.Nc3 Re8 11.a3 c5 12.d4 ed4 13.ed4+=; 9...Bd7 10.d4 e4 11.Nfd2 d5 12.cd5 Bb4 13.Ne4+=) 10.e4 Bd7 11.Re1 c5 12.b5 a6 13.Nc3=; F) 9.Ng5 c6 (9...h6 10.Ne4 c6 11.Nbd2 Ne4 12.de4 f5 13.f4=; 9...Nfd7 10.Ne4 Bb7 11.Nbc3 f5 12.Nd2 c6 13.a3+=; 9...Ne8 10.Ne4 c6 11.a3 a5 12.Ng3 Nc7 13.Nd2=; 9...Bb7 10.Nd2 a6 11.a3 h6 12.Nge4 Ne4 13.Ne4=; 9...a5 10.b5 c6 11.bc6 Nc6 12.Bf3 Bd7 13.Nc3+=; 9...Qd7 10.f4 ef4 11.Rf4 d5 12.Qb3 a5 13.a3=; 9...Re8 10.Nd2 c6 11.f4 ef4 12.Rf4 h6 13.Nh3=; 9...Nbd7 10.Bf3 Rb8 11.b5 a6 12.Bc6 Bb7 13.Bb7=) 10.f4 ef4 11.Rf4 d5 12.a3 dc4 13.dc4+=; G) 9.Qb3 Bg4 (9...Re8 10.Nc3 Nbd7 11.d4 c5 12.bc5 bc5 13.de5+=; 9...c6 10.Nc3 a6 11.a4 Nbd7 12.d4 c5 13.bc5=; 9...a5 10.b5 a4 11.Qc2 c6 12.Nc3 Bd7 13.a3+=; 9...a6 10.Nc3 Nbd7 11.d4 c5 12.a3 Qc7 13.Rfe1+=; 9...Bf5 10.Nc3 Nbd7 11.d4 c6 12.Rfd1 e4 13.Nd2+=; 9...Qd7 10.Nc3 Re8 11.d4 ed4 12.ed4 Qf5 13.Rfe1+=; 9...Nbd7 10.d4 a5 11.de5 Ne5 12.Ne5 de5 13.ba5+=; 9...Bd7 10.d4 e4 11.Nfd2 c6 12.Nc3 Bf5 13.f3+=; 9...Qe8 10.Nc3 c6 11.d4 e4 12.Nd2 Bf5 13.f3+=) 10.Nc3 c6 11.Nd2 Be6 12.f4 a5 13.b5=; H) 9.Qd2 c6 (9...a6 10.Nc3 Nbd7 11.a3 c6 12.Rad1 d5 13.d4=; 9...Nbd7 10.Nc3 c6 11.a3 a6 12.d4 e4 13.Ne1=; 9...Re8 10.Nc3 a5 11.b5 c6 12.Rab1 Bg4 13.h3+=; 9...Bb7 10.Nc3 a5 11.b5 a4 12.a3 Nbd7 13.Qc2+=) 10.Nc3 Nbd7 11.a3 a6 12.d4 e4 13.Ng5=; I) 9.Qa4 c6 (9...a6 10.d4 e4 11.Nfd2 d5 12.cd5 Nd5 13.Ne4=; 9...Qd7 10.Qd7 Nbd7 11.Nc3 a5 12.b5 Re8 13.Nd5=; 9...Bd7 10.Qc2 a6 11.d4 e4 12.Nfd2 d5 13.cd5+=; 9...Qe8 10.Qe8 Re8 11.d4 e4 12.Nfd2 d5 13.b5=; 9...Bf5 10.Nc3 Qe8 11.Qe8 Re8 12.e4 Bd7 13.d4=; 9...a5 10.b5 Nbd7 11.d4 ed4 12.ed4 d5 13.Ne5+=; 9...Re8 10.Nc3 c6 11.d4 e4 12.Nd2 d5 13.a3=; 9...Be6 10.d4 e4 11.Ng5 Bd7 12.Qc2 Bf5 13.Nc3+=; 9...Nbd7 10.d4 ed4 11.Nd4 Ne5 12.f4 Neg4 13.Bf3+=) 10.Nc3 a6 11.d4 e4 12.Nd2 d5 13.Rac1=; J) 9.Nc3 Bg4 (9...a6 10.d4 e4 11.Nd2 d5 12.cd5 Bb4 13.Nde4+=; 9...Re8 10.d4 Nbd7 11.a3 c5 12.Re1 Bb7 13.d5+=; 9...Bb7 10.d4 a6 11.d5 a5 12.b5 Nbd7 13.Nd2+=; 9...Bd7 10.d4 a6 11.de5 de5 12.Ne5 Bb4 13.Nd5+=; 9...Qe8 10.d4 c6 11.Qd3 Nbd7 12.a3 a6 13.Rfd1+=; 9...Nbd7 10.d4 c5 11.bc5 bc5 12.Rb1 Rb8 13.Nb5+=; 9...c5 10.a3 Nbd7 11.Nd2 cb4 12.ab4 d5 13.Bf3+=; 9...a5 10.b5 Bb7 11.d4 Nbd7 12.Qc2 Re8 13.de5+=; 9...c6 10.Qc2 a5 11.b5 Qc7 12.d4 Bb7 13.bc6+=) 10.d4 Nbd7 11.h3 Bh5 12.a3 c5 13.Qc2=.

8.d3 c5 9.a3 Re8 (9...Bb7 10.Nbd2 Qc7 11.d4 Rfe8 12.bc5 bc5 13.d5=; 9...Qc7 10.Nh4 d5 11.Nf5 Re8 12.Nc3 Bb7 13.Bf3=; 9...a6 10.Nbd2 Re8 11.Re1 Rb8 12.Qc2 Bb7 13.d4=; 9...a5 10.b5 Bb7 11.Nc3 Ra7 12.Nd2 d5 13.cd5+=; 9...cb4 10.ab4 a5 11.Nc3 Bb7 12.Qb3 Qb8 13.Rfb1+=; 9...Qe8 10.Nc3 Bb7 11.d4 Rc8 12.d5 a6 13.Bd3+=; 9...h6 10.Nc3 Bb7 11.d4 ed4 12.ed4 d5 13.dc5+=; 9...Kh8 10.Nc3 a6 11.d4 Qc7 12.Qd3 cd4 13.ed4+=; 9...Rb8 10.Nc3 a6 11.b5 Re8 12.ba6 Ba6 13.Qb3+=) 10.Nbd2 Qc7 11.Ne4 Ne4 12.de4 Bb7 13.Qc2=.

8.d3 c5 9.Qa4 Bb7 (9...cb4 10.Qb4 Bb7 11.Qd2 Qc7 12.Nc3 a6 13.Rac1=; 9...a6 10.a3 Rb8 11.Nc3 Re8 12.b5 Ra8 13.Rfb1=; 9...Re8 10.a3 Qc7 11.Nc3 Bb7 12.e4 a6 13.Rfb1=; 9...Qc7 10.Nc3 cb4 11.Qb4 Re8 12.Rfc1 d5 13.Qa4=) 10.a3 a6 11.Nbd2 Qc7 12.e4 Nh5 13.Ne5=.

8.d3 c5 9.Qb3 cb4 (9...Re8 10.a3 a6 11.Ng5 Rb8 12.Nc3 Qc7 13.Bf3=; 9...a6 10.a3 Bb7 11.d4 Qc7 12.Nc3 Rae8 13.d5+=; 9...Bb7 10.b5 a6 11.ba6 Ra6 12.Nc3 Re8 13.Rfb1=; 9...Qc7 10.Nc3 Re8 11.b5 Bb7 12.e4 Nf8 13.Bc1=; 9...a5 10.b5 Bb7 11.Nc3 Re8 12.Nd2 Nf8 13.Bf3+=) 10.Qb4 Bb7 11.Qd2 Rc8 12.Nc3 a6 13.Rfb1=.

8.d3 c5 9.b5 a6 (9...Bb7 10.Nc3 Re8 11.Nd2 a6 12.Bf3 Qc8 13.ba6+=; 9...Re8 10.Nfd2 Bb7 11.Bf3 Qc8 12.Bb7 Qb7 13.Nc3+=; 9...Qc7 10.Nc3 Bb7 11.Nh4 Rfe8 12.Nf5 d5 13.cd5=) 10.a4 (10.Nc3 Re8 11.Qb3 Bb7 12.Rfb1 a5 13.Nd2=) 10...ab5 11.ab5 White creates threats along the open a–file 11...Bb7 (11...Ra1 12.Ba1 Qc7 13.Nh4=) 12.Nbd2 (12.Ra8 Qa8 13.Nc3+=) 12...Qc7 (12...Ra1 13.Ba1=) 13.Nh4 d5 14.Nf5 Rfe8 15.Ne7 Re7 16.Qc2 d4 17.Ra8 Ba8 18.Ra1 Re8 19.Nf1 Bb7 20.Ra7 Nf8 (20...Ra8 21.Ra8 Ba8 22.Ng3=) 21.Bf3+= Rb8 22.Ng3 Qc8 23.Nf5 Qf5 24.Rb7 (24.Bb7? Qd7 25.f4 e4 (25...Rb7?! 26.Rb7 Qb7 27.fe5–/+) 26.de4 Rb7 27.Rb7 Qb7 28.ed4 Qe4 29.Qe4 Ne4 30.dc5 Nc5–+) 24...Rb7 25.Bb7 g6 (25...Ne6 26.Bf3=) 26.Qe2 Ne8 (26...Ne6 27.Bc1+=) 27.ed4 (27.g4 Qg5+/–) 27...cd4+= 28.Ba3 Nc7 (better is 28...Ne6!? 29.g3 Nf6+=) 29.Bd6+/– Nfe6 30.Be5 (30.Qe5 Qd3 31.f4 Qc4–/+) 30...Qg5 (30...Nf4!? 31.Bf4 Qf4+/–) 31.g3+– Qe7 32.Bd4 (32.Bg2 Nc5 33.Bf1 Qd8+–) 32...Nb5 33.cb5 Qb7 34.Ba1 Qd5 35.Qb2 Kf8 36.Qh8 Ke7 37.Qf6 (better is 37.Bf6 Kd6 38.Qe8+–) 37...Ke8= 38.Qh8 Nf8?? (better is 38...Ke7=) 39.Bg7+– Qd6 40.Qf8 Qf8 41.Bf8 Kf8 42.f4 (42.f4 Ke7 43.Kf2+–) 1–0. Liepert – Berger, 1980.

8.d3 c5 9.bc5 bc5 (9...Nc5 10.Nc3 Be6 11.d4 ed4 12.Qd4 a6 13.Rfd1+=) 10.Nc3 Rb8 11.Rb1 Re8 12.Nd2 Nb6 13.e4=.

8.d3 c5 9.Qd2 cb4 (9...Re8 10.bc5 Nc5 11.Nc3 Bf5 12.Rad1 Qd7 13.d4=; 9...Qc7 10.a3 Bb7 11.Nc3 a6 12.b5 Ra7 13.ba6=; 9...Bb7 10.a3 a6 11.Nc3 Qc7 12.e4 Rfe8 13.Rfb1=) 10.Qb4 Bb7 11.Qd2 Qc7 12.Nc3 Rfc8 13.Rac1=.

8.d3 c5 9.Qe1 Qc7 (9...Re8 10.a3 a6 11.Nc3 Qc7 12.Qd2 Bb7 13.b5=; 9...Bb7 10.a3 a6 11.Nc3 cb4 12.ab4 Qc7 13.b5=; 9...a6 10.a3 Bb7 11.Nc3 Qc7 12.b5 Rfe8 13.Qd2=; 9...cb4 10.Qb4 Bb7 11.Qd2 Qc7 12.Nc3 Rfc8 13.Rac1=; 9...a5 10.b5 Bb7 11.Nc3 Ra7 12.a3 Re8 13.Qd2=) 10.b5 Bb7 11.Nc3 Rfe8 12.a3 d5 13.cd5=.

8.d3 c6 9.a3 a6 10.Nc3 d5 11.Qb3 Bb7 12.d4 dc4 13.Qc4 =.

8.d3 Qe8 9.Qb3 Bb7 10.Nc3 c5 11.b5 Qb8 12.Nd2 Re8 13.Rab1 +=.

8.d3 Re8 9.d4 e4 10.Nfd2 c6 11.Nc3 d5 12.Qb3 Bb7 13.Rac1 =.

8.d3 h6 9.a3 c5 10.Nbd2 Bb7 11.d4 Qc7 12.d5 cb4 13.ab4 +=.

8.d3 Kh8 9.a3 c6 10.Nbd2 a5 11.Qc2 Qc7 12.d4 c5 13.Bd3 +=.

8.d4 ed4 9.Nd4 Bb7 10.Nc3 d5 11.Qb3 (11.Nd5 Nd5 12.cd5 Bd5+= 13.Nf5 (13.Bb5 Bf6 14.Bc6 Ne5 15.Ba8 Qa8+= 16.e4=; 13.b5 Bf6 14.Qc2 a6 15.Rfd1 ab5 16.Bb5+=) 13...Be4 14.Ng7 Bf6 15.Bf6 Nf6 16.Nh5+/–; 11.cd5 A) 11...Nd5 A1) 12.Bf3 Ne5 (12...Nc3 13.Bc3 Bf3 14.Qf3 Bd6 15.Rad1 Ne5 16.Qh3+=) 13.Bd5 Bd5 14.Qh5 f6 15.Nd5 Qd5+= 16.f4+=; A2) 12.Nd5 Bd5 13.Nf5 (13.Bb5 Bf6 14.Bc6 Ne5 15.Ba8 Qa8+= 16.e4=; 13.b5 Bf6 14.Qc2 a6 15.Bd3 ab5 16.Bh7+/–) 13...Be4 14.Ng7 Bf6 15.Bf6 Nf6 16.Nh5+/– ; B) 11...Bb4 12.Nc6 Bc6 13.dc6 Ne5 14.Qd8 Rad8 15.Nb5 Nc6+/– 16.Bf6+/–) 11...dc4 (11...c5 12.bc5 (12.Nf5 dc4 13.Bc4 cb4 14.Nb5 Be4 15.Ne7 Qe7= ; 12.Nc2 cb4 13.Nb4 Nc5 14.Qc2 dc4 15.Bc4 Bd6= ) 12...Nc5 13.Qc2 dc4 14.Bc4 a6 15.Rfd1 Qc7=) 12.Bc4 (12.Qc4 Ne5 13.Qb3 Bb4 14.Qb4 c5 15.Qa4 cd4=) 12...c5 13.bc5 Nc5 14.Qc2 Nfe4 15.Rfd1 Qc8 16.Qe2 Bf6 17.Nd5 Na4 18.Nf6 Nf6 19.Rac1 Qg4 20.Qg4+– ½–½. Timofeeva,Valentina – Efimova,Nadezhda, Moscow–ch sf (Women), 1998.

8.d4 ed4 9.Nd4 Bb7 10.Nd2 a5 (10...c5 11.bc5 dc5 12.Nf5=) 11.b5+= Nc5 12.Bf3 Bf3 13.N2f3 (worse is 13.gf3 Qd7=) 13...Qd7 14.Nc6 Rfe8 15.Ne7 Qe7 16.Nd4 Nfd7 (16...a4 17.a3=) 17.Nc6 (17.Nf5!? Qe4 18.Ng7+/–) 17...Qe6 18.Qd4 f6 19.Rfd1 (19.Qd5 a4+=) 19...Qf7 20.Rac1 Re4 21.Qd5 Qd5 22.Rd5 (22.cd5 Ra4 23.a3 Ne5 24.Ne5 de5+=) 22...Rae8 23.Rd4 Kf7 24.Kf1 g6 25.Ke2 Na4 26.Re4 Re4 27.Bd4 Nac5 28.f3 Rh4 29.h3 Ne6 30.Bb2 Ne5 31.Ne5 fe5 32.Kd3 Nc5 33.Ke2 Ke6 34.e4 Rf4 35.Ba3 Nd7 36.Rh1 Ke7 37.Bc1 Rf7 38.h4 Nf6 39.Bg5 Ke6 40.g4 (40.a3 Nh5 41.Rd1 Ng3 42.Kd3 Nh5+=) 40...h5= 41.Bf6 ½–½. Scholbach,Tillmann (1975) – Golyand,Josif (1640), Leipzig VfB op, 2006.

8.d4 ed4 9.Nd4 Bb7 10.Bf3 Ne4 11.Nc3 Nc3 12.Bc3 Bf3 13.Qf3 (< 13.gf3 Ne5=) 13...Ne5 14.Qe4 Qd7 (14...Nc4?? 15.Nc6 Qe8 16.Qc4+–) 15.Nf3 Nf3 16.Qf3 f5 17.Qd5 Kh8 18.b5 Rac8 19.Qb7 Ra8 20.a4 Rfb8 21.Qd5 a6 22.Rfd1 a5 23.Re1 Rf8 24.e4 fe4 25.Re4 Rae8 26.Rae1 Bd8 27.h3 Re4 28.Re4 h6 29.Qh5 Kh7 30.Qe2 Qf7 31.Rg4 Bf6 32.Rf4 Qg6 33.Bf6 Rf6 34.Rf6 Qf6 35.Qe4 g6 36.Qc2 Kg7 37.g4 Qf3 38.Kh2 Kf7 39.Qd2 g5 ½–½. Larsen,Andreas – Svendsen,Joergen, NNM kl.1 Tromsoe, 1999.

8.d4 ed4 9.Nd4 Bb7 10.Bf3 (10.a3 Re8+=) 10...Bf3= 11.Nf3 c5 12.b5 Ng4 (12...a6 13.Na3+=) 13.Nc3 Nge5 14.Ne4 Attacking the backward pawn on d6 (better is 14.Qe2+=) 14...Nc4–/+ 15.Bc3 Nde5 (15...a6 16.a4–/+) 16.Qd5+= Nf3 17.gf3 Na5 (17...Na3 18.Qb3 d5 19.Qa3 de4 20.Qb2–/+) 18.Rad1 The pressure on the backward pawn d6 grows (18.Rab1 Qc7=) 18...Qd7 (18...a6 19.Rb1+=) 19.a4 (19.Ba5!? ba5 20.Qc5=) 19...Nb7 20.Be5 Increases the pressure on the backward pawn (20.Kh1 a6=) 20...Rfd8 (20...a6 21.Rd3–/+) 21.Rd2 (21.Bc3 a6+=) 21...a6–/+ 22.Rfd1 The pressure on the backward pawn d6 grows 22...ab5 23.ab5 Qc7 (23...Ra7 24.Bc3–/+) 24.Bf4 h6 (24...Ra5 25.Rb1+=) 25.Kh1 (25.Qc6 Rdc8 26.Qc7 Rc7 27.Nd6 Bd6 28.Bd6 Rd7+=) 25...Qc8 (25...Ra5 26.Nc3 Bf6 27.Ne4=) 26.Qh5 (26.Ng3 Bf6+=) 26...Qe6–/+ 27.Rg1 (27.Nc3 Na5–/+) 27...Kf8 (27...g5 28.Nc3 d5 29.e4 de4 30.fe4–/+) 28.Nc3 White fights for the Initiative 28...Na5 (28...g5!? 29.Bg3 d5–/+) 29.Nd5+= Rab8 (29...Ra7 30.Rc2+=) 30.Nc7 (30.Ne7 Nc4 31.Nf5 Nd2 32.Ng7 Qf6+–) 30...Qf6= 31.Bg5 Qg5 (31...Qe5 32.Rd5 Bg5 33.Re5 de5 34.Rg5 hg5 35.Qh8 Ke7 36.Qg7 Nc4 37.Qg5 Kf8+/–) 32.Rg5+/– Bg5 33.Nd5 (33.f4 Be7+/–) 33...Re8 (33...Nc4 34.Rd1 Nb2 35.Rf1+/–) 34.f4 Bd8 35.Qf5 g6 (35...Kg8 36.Qd7 Bh4 37.Rc2+/– (37.Qd6?? Nc4 38.Qb8 Rb8–+)) 36.Qh3 (36.Qd7 Re6+–) 36...Kg7+/– 37.f5 The game is finished by a kings attack 37...Rb7 (better is 37...Nc4 38.Ra2 g5+–) 38.f4 (better is 38.fg6!? fg6 39.Nf4+–) 38...Nc4 (38...Ra7 39.fg6 fg6 40.Ra2+/–) 39.Rg2 Rg8? (better is 39...Ra7+/–) 40.fg6 fg6 41.Qe6 The mate threat is Rxg6 41...Kh7 (41...g5 42.fg5 hg5 43.Nf4+–) 42.f5 g5 43.h4 (43.f6!? Ne5+–) 43...Na3?? (better is 43...g4+–) 44.f6 1–0. Nemec,Zdenek – Wolf,Lubomir, Czechoslovakia, 1989.

8.d4 e4 9.Nfd2 Bb7 10.Nc3 d5 11.c5 c6 12.a4 Rb8 13.a5 b5 14.f3+= (14.Qb3 Re8 15.Rae1 Bc8 16.f3 ef3 17.Bf3 Nf8+=; 14.Qc2 Re8 15.f3 ef3 16.Bf3 Nf8 17.Rae1 Ne6=; 14.a6 Ba8 15.f3 ef3 16.Rf3 Qc7 17.Bd3 Rbe8+=; 14.Qc1 Re8 15.f3 ef3 16.Bf3 Nf8 17.Qe1 Ne6=; 14.Qb1 Bc8 15.f3 ef3 16.Bf3 Re8 17.e4 de4+=; 14.Qe1 Ra8 15.f3 ef3 16.Rf3 Re8 17.Qg3 Qb8+=) 14...ef3 15.Bf3 Qc7 (15...Re8 16.a6 Ba8 17.e4 de4+=) 16.Ne2 (16.e4 de4 17.Nde4 Rbd8+=) 16...Rfe8 17.Ng3 (17.Qb3 Rbd8=) 17...Bc8 (17...Rbd8=) 18.Qc2 Nf8 19.Rae1 Ng6 20.e4 Ng4 (better is 20...de4!? 21.Nde4 Rd8+=) 21.Nf5?? (better is 21.ed5 cd5 22.Bd5+–) 21...Qh2 0–1. Nielsen,Joergen Axel – Hansen,B, Nakskov, 1970.

8.d4 e4 9.Nfd2 Bb7 10.Nc3 d5 11.c5 c6 12.a4 Rb8 13.a5 bc5 14.bc5 A) 14...Ba6 15.Ba6 (15.Ra2 Be2 16.Qe2 Qc7 17.f3 ef3 18.Qf3 a6=) 15...Rb2 16.Qc1= Rb8 (16...Qb8 17.Na4 Rb4 18.Qc3 Ng4+/–) 17.f3 ef3= 18.Rf3 Qc7=; B) 14...Qc7 15.Qb1 (15.Qc2 Bc8 16.f3 ef3 17.Rf3 Re8 18.Bd3 Nf8=; 15.Qc1 Bc8 16.Qc2 Re8 17.a6 Nf8 18.h3 Ne6=; 15.Nb3 Rfe8 16.Qc2 Bc8 17.Rab1 Nf8 18.h3 Be6=; 15.Ra2 Bc8 16.Qc2 a6 17.Rb1 Kh8 18.Ra3 Kg8+=; 15.f3 ef3 16.Rf3 Ba6 17.Ba6 Rb2 18.Bd3 Rfb8=; 15.Bc1 a6 16.f3 ef3 17.Rf3 Rfe8 18.Qf1 Bc8=) 15...Bc8 16.Qc2 Re8 17.Rfb1 a6 18.Qd1 Bd8+=; C) 14...a6 15.Ra4 (15.Qc2 Bc8 16.f3 ef3 17.Rf3 Re8 18.Bd3 Nf8=; 15.Nb3 Bc8 16.Rb1 Qc7 17.Qc2 Qb7 18.Bc1 Qc7+=; 15.Qc1 Bc8 16.f3 ef3 17.Rf3 Re8 18.Qc2 Nf8=; 15.Qb1 Bc8 16.Qc1 Qc7 17.Qc2 Re8 18.Rfb1 Nf8=; 15.Qb3 Bc8 16.Qa2 Qc7 17.Rab1 Re8 18.Ba1 Rb7=; 15.Ra2 Qc7 16.f3 ef3 17.Rf3 Bc8 18.Bd3 Re8=; 15.Ra3 Re8 16.Qa4 Qc7 17.Rb1 Bc8 18.Na2 Bd8+=; 15.Qa4 Bc8 16.Rfb1 Qc7 17.Na2 Rb7 18.Nb4 Nb8+=; 15.f3 ef3 16.Rf3 Qc7 17.Qf1 Bc8 18.Ra2 Re8=) 15...Re8 16.Na2 Qc8 17.Qc2 Nf8 18.Rb4 Qc7+=; D) 14...Bc8 15.Qc1 (15.Nb3 Qc7 16.Rb1 Re8 17.Qc2 Nf8 18.h3 Qd7=; 15.Qb1 Qc7 16.Qc2 Re8 17.a6 Nf8 18.h3 Be6=; 15.Qc2 Re8 16.Rfb1 Qc7 17.Bc1 Rb1 18.Qb1 Nf8=; 15.Ra2 Qc7 16.Qc2 a6 17.Rb1 Rb7 18.Ra4 Nb8=; 15.Bc1 Qc7 16.f3 ef3 17.Bf3 Ba6 18.Re1 Rfe8=) 15...Qc7 16.Qc2 Kh8 17.Rfb1 Re8 18.Ra3 Kg8=.

8.d4 e4 9.Nfd2 Bb7 10.Nc3 Ne8 11.Nce4 A) 11...c5 12.b5 (12.a3 cb4 13.ab4 d5 14.cd5 Bb4 15.Qb3 a5+/–; 12.Bf3 cb4 13.Qb3 Rb8 14.d5 a5 15.Bd4 b5+=; 12.bc5 dc5 13.d5 f5 14.Nc3 Ne5 15.Qc2 Nd6+/–) 12...a6 13.ba6 Ra6 14.d5 f5 15.Ng3 Bc8+/–; B) 11...c6 12.Ng3 (12.a3 a5 13.Ng3 ab4 14.ab4 Ra1 15.Qa1 Nef6+–; 12.Qb3 Nef6 13.Nf6 Nf6 14.e4 Re8 15.d5 a6+/–; 12.Bc3 d5 13.Ng3 Nef6 14.Nf5 Re8 15.a4 dc4+–; 12.b5 d5 13.bc6 Bc6 14.cd5 Bd5 15.Nc3 Bb7+/–; 12.Qa4 a5 13.b5 cb5 14.cb5 d5 15.Nc3 Nef6+/–; 12.Nc3 Nef6 13.Bf3 d5 14.a3 Re8 15.Rc1 dc4+/–; 12.Ba3 a5 13.b5 cb5 14.cb5 Rc8 15.Rc1 Ndf6+/–; 12.Bf3 d5 13.cd5 cd5 14.Nc3 Bb4 15.Nd5 Bd5+/–) 12...Nef6 13.e4 a5 14.b5 cb5 15.cb5 Rc8+–; C) 11...Nef6 12.Nf6 (12.d5 c6 13.dc6 Bc6 14.Ng3 Bb7 15.Bf3 Bf3+–) 12...Bf6 13.Qc2 Re8 14.Bd3 h6 15.Ne4 Qe7+–; D) 11...f5 12.Nc3 (12.Ng3 d5 13.Qb3 a5 14.a3 dc4 15.Qc4 Kh8+/–) 12...c5 13.b5 a6 14.ba6 Ra6 15.Bf3 Bf3+–; E) 11...a5 12.b5 d5 13.cd5 Bd5 14.Nc3 Bb7 15.Bf3 Bf3+–; F) 11...d5 12.cd5 Ndf6 13.d6 cd6 14.Nf6 Nf6 15.Bd3 a5+/–.

8.d4 e4 9.Nfd2 Bb7 10.Nc3 Ne8 11.Nde4 f5 (11...c5 12.a3 (12.b5 a6 13.ba6 Ra6 14.Bf3 Qa8 15.dc5 Ne5+–) 12...cb4 13.ab4 a5 14.ba5 ba5 15.Qc2 Nef6+–; 11...a5 12.b5 (12.a3 ab4 13.ab4 Ra1 14.Ba1 d5 15.Nd5 Bb4+–) 12...f5 13.Nd2 Ra7 14.Bf3 Bf3 15.Qf3 Bh4+–; 11...d5 12.cd5 (12.Nd5 Bb4 13.Qb3 Nd6 14.Qb4 Ne4 15.f3 c5+/–) 12...Bb4 13.Qb3 Qe7 14.Rfc1 Rd8 15.Ng3 Bd6+–; 11...c6 12.d5 Ndf6 13.dc6 Bc6 14.Ng3 Rc8 15.Nf5 Bd7+–; 11...Nef6 12.d5 (12.Nf6 Bf6 13.Bd3 c5 14.Qb1 Kh8 15.Ne4 Be4+–) 12...a5 13.a3 Re8 14.Qd4 Ne5 15.c5 ab4+–; 11...Be4 12.Ne4 d5 13.cd5 Bb4 14.Bb5 f5 15.Nc3 Qe7+–; 11...a6 12.d5 Bh4 13.Qc2 Qe7 14.a4 a5 15.b5 f5+–; 11...Ndf6 12.Nf6 (12.d5 Ne4 13.Ne4 c6 14.Rc1 cd5 15.cd5 f5+–) 12...Nf6 13.d5 Re8 14.Bd3 c5 15.a3 Bc8+–; 11...f6 12.a3 (12.Bf3 c6 13.Ng3 f5 14.b5 Nb8 15.Qb3 f4+–; 12.Ng3 a5 13.b5 f5 14.Bf3 Bf3 15.Qf3 g6+–; 12.Nd2 c5 13.b5 a6 14.ba6 Ra6 15.Bf3 Bf3+–; 12.d5 f5 13.Ng3 a5 14.a3 f4 15.ef4 Rf4+–; 12.Bd3 f5 13.Ng3 a5 14.b5 g6 15.Qb3 Kg7+–; 12.b5 c6 13.Ng3 cb5 14.cb5 Nc7 15.Nf5 g6+–; 12.Qd3 c6 13.Ng3 c5 14.a3 a5 15.e4 cb4+–) 12...c5 13.Bf3 cd4 14.ed4 Rb8 15.Ng3 Nc7+–) 12.Ng3 (12.Nd2 c6 13.Bd3 c5 14.a3 a5 15.Qc2 g6+–) 12...f4 13.ef4 Rf4 14.a3 (14.Bg4 Kh8 15.Be6 Nf8+–) 14...Nef6? (better is 14...a5+– 15.Nh5 Rf8+–) 15.Bc1 Rh4 16.Bg5 (16.Bg5 Nd5 17.Bh4 (17.cd5?! Bg5 18.Bg4 Bf4+/–; 17.Nd5?! Bg5 18.f4 Bd5 19.fg5 Be6+–) 17...Nc3 18.Be7 Qe7 19.Qd3 Ne2 20.Qe2+–) 1–0. Bonetti,Shane – MPH, ICC, 2002.

8.d4 Re8 9.de5+/– de5 (9...Ne5 10.Ne5 de5 11.Be5 Bb7 (11...Qd1 12.Bd1 Bb4 13.Bf3 Re5+= 14.Ba8 Be6+/–) 12.a3 c5 (12...Nd7 13.Bd4 c5 14.Bc3 Bf6+/–) 13.Qd8 Rad8 14.Rd1 (14.bc5 Bc5+=) 14...Rd1+=) 10.Ne5 (10.Be5?! Bb4 11.Bf4 (11.Bc3 Bd6 12.Qc2 Ne4 13.Rd1 Qe7=+) 11...Bb7= 12.Nd4 Ne5 13.a3 Bc5=) 10...Ne5 (10...Bb7 11.Nd7 Nd7 12.b5 Bd6 13.Nd2 a6+/–) 11.Be5 Qd1 12.Rd1 (12.Bd1 Bb4 13.Bf3 Re5+=) 12...Bb4 13.Bf3 (13.Bf6 gf6+=) 13...Bg4 14.Bg4 (14.Bf6 Bf3 15.gf3 gf6+=) 14...Ng4= 15.Bc3 (15.Bc7 Rac8 16.Bg3 Rc4=) 15...Rad8=+ 16.Bd2 (16.Re1!? Bc3 17.Nc3=+) 16...Bd6–+ 17.g3? ( 17.Nc3–+) 17...Be5 18.Nc3 Rd2! 19.Rd2 Bc3 20.Rad1 Bd2 21.Rd2 Ne5 22.Rc2 Nf3 (22...Nf3 23.Kf1 Nh2 24.Ke2 c5–+) 0–1. Trkn – Zeezozee, itsyourturn.com, 2000.

8.d3 Bb7

9.Nc3 a6 10.d4 e4 11.Nd2 d5 12.a3 dc4 13.Qc2 =.

9.Nc3 Rb8 10.a3 a5 11.b5 Re8 12.d4 ed4 13.Nd4 =.

9.Nc3 c5 10.a3 a6 11.d4 cd4 12.ed4 Re8 13.Re1 =.

9.Nc3 c6 10.a3 d5 11.cd5 cd5 12.d4 e4 13.Ne5 =.

9.Nc3 Rc8 10.a3 a6 11.d4 Re8 12.Qd2 c5 13.d5 +=.

9.Nc3 d5 10.Nd5 Nd5 11.cd5 Bb4 12.e4 Qe8 13.d4 +/–.

9.Nc3 Qe8 10.d4 a6 11.d5 c6 12.dc6 Bc6 13.Nh4 +=.

9.Nc3 h6 10.d4 a6 11.d5 a5 12.a3 ab4 13.ab4 +=.

9.Nc3 Kh8 10.d4 c5 11.bc5 bc5 12.d5 Rb8 13.Rb1 +=.

9.Nbd2 a5 10.a3 ab4 11.ab4 Ra1 12.Qa1 Qa8 13.e4 Qa1 14.Ra1 Ra8 15.Ra8 Ba8 16.Nb3 Nh5 17.g3 Nhf6 18.b5 Nc5 19.Nc5 bc5 20.Bc3 Nd7 21.Ba5 Nb6 22.Bb6 cb6 23.Nd2 g6 24.f3 f5 25.Nb1 Kg7 26.Kf2 Kf6 27.Nc3 g5 28.Nd5 Bd5 29.ed5 f4 30.g4 Kg6 31.h3 h5 32.Kg2 Bd8 ½–½. Fournier,Frederic – Tino marin, Partie evaluee, 5m + 0s, 2008.

9.Nc3 Re8

10.a3 c5 11.e4 a6 12.Qd2 Qc7 13.Rfb1 =.

10.Nd2 a6 A) 11.Qb3 c5 (11...a5 12.a3 c6 13.Bf3 Qc7 14.b5 Nc5 15.Qc2= ; 11...Nf8 12.Bf3 Bf3 13.Nf3 Ne6 14.d4 ed4 15.Nd4= ; 11...c6 12.a3 d5 13.Rfc1 d4 14.Nce4 Ne4 15.de4= ; 11...Ra7 12.f4 a5 13.a3 ab4 14.ab4 Ra1 15.Ba1=; 11...Rb8 12.f4 Nf8 13.a3 ef4 14.Rf4 d5 15.cd5=; 11...Qc8 12.f4 ef4 13.Rf4 a5 14.b5 Nc5 15.Qc2+=; 11...Bf8 12.f4 a5 13.b5 d5 14.cd5 Bc5 15.Nc4=; 11...Qb8 12.f4 b5 13.fe5 de5 14.c5 a5 15.a3+=; 11...Kh8 12.f4 c6 13.fe5 de5 14.Nde4 Rf8 15.Nf6=) 12.a3 Qc7 13.f4 ef4 14.Rf4 d5 15.Nd5+=; B) 11.f4 ef4 (11...c5 12.b5 d5 13.Nd5 Nd5 14.cd5 ef4 15.e4= ; 11...c6 12.Rc1 ef4 13.Rf4 c5 14.a3 d5 15.cd5=; 11...d5 12.fe5 Ne5 13.Nd5 Nd5 14.cd5 Qd5 15.e4= ; 11...Ra7 12.a3 c5 13.Qb3 ef4 14.Rf4 d5 15.cd5=) 12.e4 c6 13.d4 c5 14.bc5 dc5 15.d5+=; C) 11.Bf3 c6 (11...d5 12.Nd5 Nd5 13.Bd5 c6 14.Bf3 Bb4 15.Ne4= ; 11...Qc8 12.a4 d5 13.Nd5 Nd5 14.cd5 Bb4 15.Rb1= ; 11...Qb8 12.Nce4 Ne4 13.Be4 Be4 14.Ne4 c6 15.Qg4= ) 12.a3 d5 13.Qb3 Nf8 14.Ne2 Ng6 15.Ng3=; D) 11.e4 c6 (11...d5 12.Nd5 Nd5 13.cd5 Bb4 14.Rc1 Rc8 15.Bg4= ; 11...Nf8 12.Nd5 Ne6 13.Ne7 Qe7 14.a4 Nf4 15.a5= ; 11...c5 12.b5 ab5 13.Nb5 Nf8 14.f4 Ng6 15.fe5= ; 11...Bc8 12.f4 c5 13.a3 b5 14.cb5 ab5 15.Nb5=; 11...Ra7 12.f4 c6 13.a3 Nf8 14.Na4 ef4 15.Rf4=; 11...Rb8 12.a3 c6 13.f4 Nf8 14.fe5 de5 15.Nf3=; 11...b5 12.cb5 ab5 13.Nb5 d5 14.Qb3 c5 15.bc5=; 11...Qb8 12.Nd5 c5 13.Ne7 Re7 14.a3 b5 15.f4=) 12.f4 ef4 13.d4 c5 14.bc5 dc5 15.d5+=; E) 11.Qa4 c6 (11...d5 12.cd5 Nd5 13.Bf3 b5 14.Qb3 N7b6 15.Nd5= ; 11...c5 12.a3 d5 13.cd5 Nd5 14.Bf3 N7f6 15.Nd5= ) 12.f4 d5 13.fe5 Ne5 14.cd5 cd5 15.Nd1=; F) 11.Rb1 d5 12.a3 c5 13.b5 ab5 14.Nb5 Bc6 15.Qb3=; G) 11.Qc2 c6 (11...c5 12.bc5 Nc5 13.Bf3 d5 14.cd5 Nd5 15.Nd5= ; 11...d5 12.Bf3 Bb4 13.Nd5 Nd5 14.cd5 Nc5 15.e4+= ; 11...Ra7 12.f4 ef4 13.e4 c6 14.a3 d5 15.Rf4= ; 11...h6 12.Bf3 Bf3 13.Nf3 c6 14.Ne4 d5 15.Nf6=; 11...Kh8 12.f4 ef4 13.Rf4 c5 14.a3 cb4 15.ab4=; 11...Qb8 12.f4 ef4 13.Rf4 d5 14.cd5 Bd6 15.Rf5=) 12.f4 ef4 13.Rf4 d5 14.cd5 Bd6 15.Rf3+=; H) 11.Rc1 c5 (11...d5 12.Bf3 Bb4 13.Nd5 Nd5 14.cd5 Bd2 15.Qd2= ) 12.bc5 dc5 13.Bf3 Bf3 14.Qf3 Rb8 15.Nce4= ; I) 11.a3 Rb8 (11...Nf8 12.Nde4 Ne4 13.de4 Ne6 14.Qd3 Bg5 15.Rad1= ; 11...c5 12.Qb3 Nf8 13.Bf3 Bf3 14.Nf3 Ne6 15.Rfd1= ; 11...c6 12.Rc1 d5 13.Bf3 a5 14.b5 Nc5 15.Qe2= ; 11...Rc8 12.f4 ef4 13.e4 c6 14.Rf4 d5 15.d4=; 11...d5 12.cd5 Nd5 13.Bf3 Nc3 14.Bc3 Bf3 15.Nf3=; 11...Ra7 12.f4 ef4 13.e4 c6 14.Rf4 d5 15.cd5=; 11...Qb8 12.f4 ef4 13.Rf4 d5 14.cd5 Bd6 15.Rh4=; 11...a5 12.Bf3 ab4 13.Bb7 bc3 14.Bc3 Ra7 15.Bc6+=; 11...Qc8 12.f4 c6 13.Nce4 ef4 14.Rf4 d5 15.cd5=) 12.f4 ef4 13.e4 c6 14.Rf4 d5 15.cd5=.

10.Nd2 c6 A) 11.f4 Qc7 (11...d5 12.fe5 Ne5 13.Nd5 Nd5 14.cd5 Bb4 15.Bh5= ; 11...a6 12.Rc1 Bf8 13.a3 ef4 14.ef4 d5 15.Bf3+= ; 11...ef4 12.Rf4 d5 13.a3 Bd6 14.Rf3 Ne5 15.Rf2+= ; 11...a5 12.b5 cb5 13.Nb5 e4 14.de4 Nc5 15.e5+= ; 11...Rc8 12.Qa4 a6 13.fe5 de5 14.a3 b5 15.Qb3=) 12.Nde4 d5 13.Nf6 Nf6 14.cd5 Bb4 15.Qb3+=; B) 11.Bf3 Qc8 (11...a6 12.a3 d5 13.Rc1 a5 14.b5 Nc5 15.Qe2= ; 11...Rc8 12.b5 Nc5 13.Nb3 cb5 14.Bb7 Nb7 15.cb5= ; 11...Qc7 12.b5 Nc5 13.Qc2 a6 14.a4 Ne6 15.Nde4= ; 11...Qb8 12.Rc1 a6 13.Qa4 b5 14.Qb3 bc4 15.dc4= ; 11...Nb8 12.a3 d5 13.Qc2 a6 14.Rfc1 Nbd7 15.Qb3= ; 11...Rb8 12.b5 cb5 13.Bb7 Rb7 14.Qf3 d5 15.cd5=; 11...d5 12.a3 Nf8 13.Qe2 Qd6 14.Rfc1 Ne6 15.b5=; 11...Kh8 12.b5 Qc7 13.bc6 Bc6 14.Bc6 Qc6 15.e4=; 11...h6 12.a3 a6 13.Qb3 Rb8 14.Nce4 Ne4 15.Ne4=) 12.b5 Nc5 13.Nde4 Nfe4 14.Ne4 cb5 15.cb5=; C) 11.Qb3 a6 (11...a5 12.b5 d5 13.Nf3 cb5 14.Nb5 dc4 15.dc4= ; 11...d5 12.Bf3 Nf8 13.b5 cb5 14.Nd5 bc4 15.dc4=; 11...Qc7 12.b5 Nc5 13.Qd1 d5 14.cd5 cd5 15.Nf3=) 12.f4 ef4 13.Rf4 d5 14.cd5 Bd6 15.Rff1+=; D) 11.a3 a6 (11...a5 12.Bf3 ab4 13.ab4 d5 14.Qb3 dc4 15.Nc4= ; 11...Qb8 12.Bf3 d5 13.cd5 cd5 14.Qa4 Rd8 15.d4=; 11...Qc7 12.Nde4 a5 13.b5 Ne4 14.de4 Nc5 15.bc6= ; 11...d5 12.Bf3 Nf8 13.Re1 Ng6 14.cd5 cd5 15.Rc1=; 11...Nf8 12.f4 Ng6 13.f5 Nf8 14.Nf3 N8d7 15.d4=; 11...Rb8 12.f4 ef4 13.Rf4 d5 14.cd5 cd5 15.Rf2=; 11...Rc8 12.d4 a6 13.Re1 Qc7 14.Bd3 c5 15.d5+=; 11...Qc8 12.f4 Qc7 13.Nde4 d5 14.cd5 cd5 15.Nb5+=) 12.f4 ef4 13.Rf4 d5 14.cd5 Bd6 15.Rf3+=; E) 11.Rc1 Rc8 (11...a5 12.b5 d5 13.bc6 Bc6 14.cd5 Nd5 15.Nd5= ; 11...c5 12.b5 Qc7 13.Bf3 a6 14.Rb1 Qc8 15.Bb7=; 11...d5 12.a3 d4 13.Nce4 c5 14.Qb3 a5 15.ba5=) 12.Nce4 Ne4 13.de4 a5 14.a3 ab4 15.ab4=; F) 11.b5 d5 (11...cb5 12.cb5 d5 13.d4 ed4 14.ed4 Bd6 15.Nf3= ; 11...Rc8 12.f4 cb5 13.cb5 a6 14.ba6 Ba6 15.Rc1=; 11...Qc8 12.Rc1 c5 13.Bf3 Bf3 14.Qf3 a6 15.Ra1= ; 11...a6 12.bc6 Bc6 13.Bf3 Bf3 14.Qf3 Rc8 15.Nde4=; 11...Qc7 12.Rc1 Rac8 13.bc6 Bc6 14.Nd5 Qd8 15.e4=) 12.bc6 Bc6 13.cd5 Nd5 14.Nc4 Nc3 15.Bc3=; G) 11.Nce4 Ne4 (11...a5 12.Nf6 Bf6 13.a3 d5 14.Bg4 Qe7 15.cd5= ; 11...d5 12.Nf6 Bf6 13.cd5 cd5 14.Bg4 a5 15.ba5=; 11...Qc7 12.Nf6 Bf6 13.Ne4 Be7 14.Bg4 a5 15.b5= ; 11...c5 12.bc5 Ne4 13.Ne4 dc5 14.Bg4 Nf6 15.Be5=) 12.de4 d5 13.a3 de4 14.Ne4 c5 15.Nd6=.

10.Nd2 Rc8 A) 11.a3 Nf8 (11...a5 12.Bf3 Bf3 13.Qf3 ab4 14.ab4 d5 15.Nd5+= ; 11...c6 12.d4 a6 13.Re1 ed4 14.ed4 c5 15.d5+= ; 11...d5 12.Nd5 Nd5 13.Bf3 c6 14.cd5 cd5 15.Qb3+=; 11...Ra8 12.f4 c6 13.Qc2 ef4 14.Rf4 d5 15.cd5=; 11...a6 12.Bf3 c6 13.Qb3 Qc7 14.Nde4 Rcd8 15.Rfc1=; 11...h6 12.f4 a5 13.b5 d5 14.Nd5 Nd5 15.cd5=) 12.f4 ef4 13.Rf4 d5 14.cd5 Nd5 15.Nd5=; B) 11.f4 d5 (11...c6 12.Qa4 a6 13.fe5 de5 14.a3 b5 15.Qb3= ; 11...a6 12.a3 ef4 13.e4 c6 14.Rf4 Qc7 15.Qf1= ; 11...c5 12.b5 ef4 13.e4 Qc7 14.Qa4 Ra8 15.Rf2=; 11...ef4 12.e4 d5 13.Nd5 Nd5 14.cd5 Bb4 15.a3=; 11...a5 12.b5 d5 13.Nd5 Nd5 14.cd5 Bc5 15.d4=) 12.fe5 Ne5 13.Nd5 Nd5 14.cd5 Bb4 15.e4=; C) 11.Qb3 Nf8 (11...c6 12.Nce4 Ne4 13.de4 Qc7 14.a3 Ra8 15.Qd3= ; 11...Ra8 12.f4 ef4 13.Rf4 Ne5 14.e4 a5 15.b5+= ; 11...a5 12.ba5 Nc5 13.Qb5 Ba6 14.Qc6 Rb8 15.Ba3=; 11...a6 12.f4 ef4 13.Rf4 c5 14.b5 ab5 15.Nb5+=; 11...Rb8 12.f4 a6 13.a3 Nf8 14.fe5 de5 15.Rad1=; 11...Bc6 12.f4 Bb7 13.Bf3 c6 14.Ne2 ef4 15.Nf4+=; 11...Ba8 12.f4 a6 13.Rad1 a5 14.a3 ab4 15.ab4+=; 11...h6 12.f4 a5 13.a3 Ra8 14.b5 Nc5 15.Qc2+=; 11...Kh8 12.f4 c6 13.Nde4 ef4 14.Ng5 Kg8 15.Rf4=) 12.Qa4 a6 13.f4 ef4 14.Rf4 d5 15.cd5+=; D) 11.Bf3 c6 (11...d5 12.Nd5 Nd5 13.a3 c6 14.cd5 cd5 15.Qb3+= ) 12.b5 Nc5 13.Nb3 cb5 14.Bb7 Nb7 15.cb5=; E) 11.b5 c6 12.bc6 Bc6 13.Bf3 Nc5 14.Bc6 Rc6 15.Qf3=; F) 11.e4 c6 (11...d5 12.Nd5 Nd5 13.ed5 Bb4 14.a3 Bf8 15.Bh5= ; 11...a6 12.f4 c6 13.a3 Qc7 14.Bg4 ef4 15.Rc1=; 11...a5 12.ba5 ba5 13.Rb1 c6 14.f4 Rb8 15.Nb3=; 11...Nf8 12.b5 a6 13.ba6 Ba6 14.Bg4 Ra8 15.Bf5=) 12.Qa4 a6 13.f4 ef4 14.Rf4 d5 15.ed5+=; G) 11.Qc2 c6 (11...d5 12.Qa4 c6 13.a3 a6 14.Bf3 b5 15.Qb3=; 11...a5 12.ba5 ba5 13.Rab1 Rb8 14.Nb3 Ra8 15.f4= ; 11...a6 12.Bf3 c6 13.a3 d5 14.Qb3 Nf8 15.Rac1=; 11...Nf8 12.Nde4 Ne4 13.Ne4 Ne6 14.Bg4 d5 15.cd5=) 12.Qa4 a6 13.d4 ed4 14.ed4 d5 15.c5+=; H) 11.Rc1 c6 (11...d5 12.Qa4 dc4 13.dc4 a6 14.Rfd1 c5 15.Nde4= ; 11...a6 12.a3 c6 13.e4 Nf8 14.Nf3 c5 15.b5= ; 11...a5 12.b5 c6 13.f4 cb5 14.Nb5 Nc5 15.e4+=) 12.Nce4 Ne4 13.de4 a5 14.ba5 ba5 15.Rb1=; I) 11.Rb1 d5 (11...a6 12.Bf3 c6 13.a3 d5 14.Qb3 Nf8 15.Qc2= ; 11...c6 12.Nce4 Ne4 13.de4 d5 14.ed5 Bb4 15.Ne4= ) 12.Qa4 c5 13.b5 d4 14.Nd1 Qc7 15.Bf3=; J) 11.Qa4 a6 (11...a5 12.ba5 Ra8 13.Nb3 Nc5 14.Qb5 Ra6 15.d4= ; 11...Ra8 12.Bf3 Qc8 13.Bb7 Qb7 14.f4 c6 15.fe5=) 12.Bf3 c6 13.Rac1 d5 14.Qb3 a5 15.a3=.

10.Nd2 d5 A) 11.b5 a6 (11...d4 12.Nce4 Ne4 13.Ne4 Bc5 14.ed4 Bd4 15.Bd4=; 11...dc4 12.Nc4 a6 13.Bf3 Bf3 14.Qf3 Bb4 15.a4=; 11...c6 12.bc6 Bc6 13.cd5 Nd5 14.Nd5 Bd5 15.Rc1=) 12.ba6 Ra6 13.cd5 Nd5 14.d4 Nc3 15.Bc3=; B) 11.a3 dc4 (11...a5 12.b5 c6 13.bc6 Bc6 14.Bf3 Nc5 15.cd5=; 11...c5 12.cd5 cb4 13.ab4 Bb4 14.e4 a5 15.Na2=; 11...d4 12.Nce4 c5 13.Qa4 Ne4 14.Ne4 a6 15.Bf3=; 11...c6 12.Bf3 Nf8 13.Qe2 a6 14.Rac1 Ne6 15.Nd1=; 11...a6 12.cd5 Nd5 13.Bf3 Nc3 14.Bc3 Bf3 15.Qf3=) 12.Nc4 c5 13.bc5 Bc5 14.Bf3 Bf3 15.Qf3=; C) 11.Nd5 Nd5 (11...Bd5 12.cd5 Bb4 13.Bf3 Bd2 14.Qd2 Nc5 15.Rfd1=) 12.cd5 Bb4 13.Bf3 Nf6 14.Nc4 Bd6 15.e4=; D) 11.Qb3 d4 (11...a5 12.a3 d4 13.Nce4 c5 14.ba5 ba5 15.Qb7=; 11...dc4 12.dc4 c5 13.b5 a6 14.Rfd1 Qc7 15.a4=) 12.Nce4 c5 13.a3 Ne4 14.Ne4 Qc7 15.Bf3=; E) 11.Bf3 Bb4 (11...c6 12.Qb3 a5 13.cd5 cd5 14.Nd5 Bd5 15.Bd5=) 12.Nd5 Nd5 13.cd5 Nf6 14.Nc4 Nd5 15.Ne5=.

10.Nd2 Bf8

11.a3 a6 (11...d5 12.cd5 Nd5 13.Bf3 N7f6 14.Nce4 Ne4 15.Be4=; 11...Be7 12.f4 c6 13.fe5 de5 14.Bf3 Qc7 15.Nde4+=; 11...c6 12.Bf3 d5 13.Qb3 dc4 14.Nc4 Qc7 15.Rfc1=; 11...Qe7 12.Bf3 c6 13.b5 Rec8 14.bc6 Bc6 15.Bc6+=; 11...a5 12.Bf3 d5 13.Nd5 Nd5 14.cd5 ab4 15.ab4=; 11...c5 12.Bf3 d5 13.Nd5 Nd5 14.b5 N7f6 15.cd5=; 11...Rc8 12.f4 a5 13.e4 Ra8 14.b5 Be7 15.Nd5+=; 11...Qb8 12.f4 a6 13.e4 c6 14.Bg4 Ng4 15.Qg4=; 11...Re6 12.f4 c6 13.e4 ef4 14.b5 Re8 15.Rf4+=) 12.f4 c5 13.Qb3 ef4 14.e4 g5 15.Nf3=.

11.Qa4 d5 (11...c6 12.Nb3 Qe7 13.d4 ed4 14.Nd4 c5 15.Nc2=; 11...a5 12.b5 d5 13.cd5 Nd5 14.Nd5 Bd5 15.e4=; 11...c5 12.b5 Be7 13.Bf3 Bf3 14.Nf3 Qc8 15.Nd2=; 11...Be7 12.Bf3 Qc8 13.Bb7 Qb7 14.f4 a6 15.a3=; 11...a6 12.Bf3 Bf3 13.Nf3 c5 14.a3 Qe7 15.Ne4+=; 11...Qc8 12.Bf3 c6 13.Nce4 d5 14.cd5 Nd5 15.a3=) 12.cd5 Nd5 13.Bf3 Nc3 14.Bc3 Bf3 15.Nf3=.

11.Qb3 Rb8 (11...c6 12.Bf3 Qc7 13.Nce4 a5 14.a3 d5 15.Nf6=; 11...a6 12.a3 Be7 13.f4 a5 14.b5 Nc5 15.Qc2+=; 11...Be7 12.f4 a5 13.b5 Nc5 14.Qc2 ef4 15.e4+=; 11...Qe7 12.Bf3 c6 13.Rab1 a6 14.a4 Qe6 15.b5=; 11...c5 12.b5 Be7 13.f4 Nf8 14.Bf3 Bf3 15.Rf3+=; 11...Re6 12.d4 ed4 13.ed4 d5 14.Bd3 c6 15.Rfe1=; 11...Rc8 12.Bf3 Bf3 13.Nf3 c6 14.a3 a5 15.e4+=; 11...a5 12.b5 Ra7 13.Bf3 Bc8 14.Nde4 Ne4 15.Ne4+=; 11...Qc8 12.f4 Qd8 13.Rae1 a5 14.b5 ef4 15.e4+=) 12.e4 a5 13.ba5 ba5 14.Qc2 c6 15.f4=.

11.b5 Qc8 (11...a6 12.Bf3 Qc8 13.Bb7 Qb7 14.a4 Be7 15.f4+=; 11...c6 12.Bf3 Qc7 13.Rc1 Nc5 14.Nb3 cb5 15.Nb5=; 11...Qb8 12.f4 a6 13.fe5 de5 14.Bf3 ab5 15.cb5=; 11...d5 12.cd5 Nd5 13.Nd5 Bd5 14.d4 ed4 15.Bd4=; 11...Be7 12.Bf3 Bf3 13.Qf3 Nc5 14.d4 Nd3 15.Ba3+=; 11...Nc5 12.d4 ed4 13.ed4 Ne6 14.d5 Nf4 15.Nb3=; 11...Rc8 12.Bf3 c6 13.bc6 Bc6 14.Bc6 Rc6 15.Qf3+=; 11...Qe7 12.Bf3 Bf3 13.Qf3 Nc5 14.e4 a6 15.a4+=) 12.f4 a6 13.fe5 de5 14.Bf3 ab5 15.cb5=.

11.Qc2 d5 (11...a6 12.Bf3 c6 13.a3 Be7 14.Rfc1 d5 15.Qb3=; 11...c6 12.a3 d5 13.Bf3 a5 14.b5 Rc8 15.Rfd1=; 11...c5 12.b5 Be7 13.f4 ef4 14.Rf4 d5 15.cd5=; 11...Be7 12.f4 ef4 13.e4 d5 14.Nd5 Nd5 15.cd5=; 11...Qe7 12.e4 c6 13.b5 cb5 14.Nb5 Nc5 15.Rab1=) 12.a3 d4 13.Nce4 a5 14.b5 Ne4 15.Ne4=.

11.Re1 d5 (11...c6 12.a3 d5 13.Bf3 a5 14.Qb3 dc4 15.Nc4=; 11...a6 12.Bf3 d5 13.Nd5 Nd5 14.Bd5 Bd5 15.cd5=; 11...Be7 12.Bf3 d5 13.a3 c6 14.Qb3 Nf8 15.b5+=; 11...Rc8 12.a3 d5 13.Bf3 e4 14.Be2 Ne5 15.d4=) 12.a3 c5 13.b5 d4 14.Nce4 Ne4 15.Ne4=.

11.e4 Rc8 (11...a6 12.f4 c6 13.a3 Be7 14.Nf3 b5 15.fe5=; 11...c6 12.b5 cb5 13.Nb5 Be7 14.f4 Nf8 15.Rc1=; 11...Be7 12.f4 c6 13.a3 Nf8 14.fe5 de5 15.Na4=; 11...Bc8 12.Qa4 a5 13.Nd5 c5 14.Nf6 Qf6 15.Qc6=; 11...c5 12.b5 a6 13.ba6 Ra6 14.f4 Be7 15.Nb5=; 11...d5 12.Nd5 Nd5 13.cd5 Bb4 14.Rc1 Rc8 15.Nc4=; 11...Rb8 12.f4 c6 13.a3 Be7 14.Nb3 ef4 15.Qd2+=; 11...a5 12.b5 Nc5 13.Nd5 a4 14.f4 Nd5 15.cd5+=; 11...Qe7 12.f4 d5 13.fe5 Qb4 14.Rb1 Ne5 15.Nb5+=) 12.f4 c6 13.Qa4 a6 14.Nb3 ef4 15.Rf4+=.

11.Bf3 Bf3 (11...c6 12.b5 Qc7 13.Rc1 Nc5 14.Nb3 cb5 15.Nb5=; 11...d5 12.Nd5 Nd5 13.Bd5 c6 14.Bf3 Bb4 15.a3=; 11...Qc8 12.Bb7 Qb7 13.a3 c5 14.Qb3 a6 15.Nde4+=; 11...Qb8 12.Bb7 Qb7 13.e4 d5 14.Nd5 Nd5 15.cd5+=) 12.Qf3 (worse is 12.gf3 c6+= (12...d5 13.Nd5 Nd5 14.cd5 Bb4 15.Ne4+=) 13.a3 Be7 14.Rc1 a6 15.Nce4+=) 12...Rb8 (12...d5 13.Nd5 Nd5 14.cd5 Bb4 15.Ne4+=) 13.Rfe1 (13.Nb5 a5 14.Na7 Ra8 15.Nc6+/–) 13...Re6 (13...Be7 14.Nb5 Ra8 15.Qb7+=) 14.e4 (14.Nb5 a6 15.Na7+=) 14...Re8 (14...Be7 15.Nb3+=) 15.Re3 (15.b5+=) 15...g6 16.Qe2 Bg7 17.Nf1 Re6 18.Ng3 Qe7 (18...a6 19.a4=) 19.h3 (19.Nb5 Rb7+/–) 19...Re8 20.Rf1 c6 21.Bc1 h6 22.h4 Kh7 23.h5 g5 24.Nf5 Qf8 25.Rh3 Bh8 26.Nd1 (26.b5 Rc8+/–) 26...Qg8 (26...a6 27.Nde3+/–) 27.Rg3 g4? (better is 27...Qf8+/–) 28.Nh6+– Qg7 29.Ng4 (29.Ng4 Ng4 30.Rg4+–) 1–0. Ulianova,Nadezhda – Kalininskaya,Natalia, RUS–ch U10 Girls, 2000.

7.0–0 c5

8.a3 b6 9.d3 Bb7 10.Nbd2 Qc7 11.h3 d5 12.b5 e4 13.de4 de4 14.Ne1 Rad8 15.Qc2 Rfe8 16.a4 Bd6 17.a5 Ne5 18.ab6 ab6 (18...Qb6 19.Bc3 Bb8 20.Ba5=) 19.Ra7 (19.Qb3 Qd7+=) 19...Qb8 20.Ra2 Bc7 21.Nb1 Nfd7 (21...Rd7 22.Nd2+=) 22.Nc3= f5 (22...Ng6 23.Bh5=) 23.Nd5 (better is 23.f4!? ef3 24.Nf3+=) 23...Bd5+= 24.cd5 Nf6 25.Bc4 Nc4 (25...Nd5 26.Be5 Re5+= (26...Be5? 27.Qb3+–)) 26.Qc4 (better is 26.Bf6!? Ne3 27.fe3 gf6 28.Rf5 Bh2 29.Kh1=) 26...Be5–/+ 27.Be5 Re5 28.f4 Red5 29.Rd2 (29.Nc2 Qb7–/+) 29...Kh8 30.Ra2 Qd6 0–1. GuestRNYF – GuestXDCT, freechess.org, 2017.

8.a3 e4 9.Ne1=.

8.b5 b6 9.Nc3 Bb7 10.Qc2 Re8 11.a4 h6 12.d4 ed4 13.ed4 cd4 14.Nd4 Ne5 15.Nf3 (15.f4 Ng6 16.Bf3 Bf3 17.Rf3+= (worse is 17.Nf3 Rc8+=)) 15...Qc7 (15...Bf3 16.gf3 Rc8 17.Qb3–/+) 16.Rad1 (16.Ne5 de5 17.Rad1 Rad8=) 16...Nc4 17.Ba1 Rac8 18.Nd4 d5 19.Rc1 Bb4 20.g3 Qe5 21.Nf3 Qe7 22.Nd4? (better is 22.Rfe1!? Ne4 23.Nd4–/+) 22...Ne3!–+ 23.fe3 Qe3 24.Kg2 Qd4 25.Rfd1 (25.Bf3 Re3 26.Qd1 Qd3–+ (26...Bc3?! 27.Qd4 Bd4 28.Bd4–/+)) 25...Qe3 (better is 25...Qc5 26.Bf3 Re3–+) 26.Rd3?? (26.Bf3–+) 26...d4 27.Kh3 (27.Kf1 Qe6 28.Bf3 Bf3 29.Rf3 dc3 30.Kg1–+) 27...Qe6 28.Kh4 (28.g4 Bc3 29.Bc3 Rc3 30.Rc3 dc3 31.Qd3–+) 28...g5 0–1. Neumann,Frank – Shim Ng Min,Francis, OP–2011–0–01861, 2011.

8.b5 b6 9.Nc3 Bb7 10.Ne1 Ne4 11.Ne4 Be4 12.Bf3 Bf3 13.Qf3 Nf6 14.Nc2 Qd7 15.d4 ed4 16.ed4 Qg4 17.Qg4 Ng4 18.h3 Nf6 19.Rfe1 Rae8 20.dc5 dc5 21.Rad1 Bd8 22.a4 Re1 23.Re1 Re8 24.Bf6 Re1 25.Ne1 Bf6 26.Kf1 Kf8 27.Ke2 Ke7 28.Kd3 Kd6 29.Ke4 g6 30.Nf3 h6 31.Nd2 Bc3 32.Nf1 f5 33.Kf4 Bd4 34.f3 Ke6 35.g4 Be5 36.Ke3= g5 37.Nd2 Bd4 38.Ke2 Ke5 39.gf5 Kf5 40.Kf1 Kf4–/+ 41.Kg2 Kf5?? (better is 41...Ke3 42.Ne4 Be5–+) ½–½. valpa – Nylson, playchess.de, 2003.

8.bc5 Nc5 9.d4 e4 (9...ed4 10.Bd4 Nfe4 11.Nc3=) 10.dc5 ef3 11.Bf3 dc5 12.Nc3 Be6 13.Qc2 (13.Bb7? Rb8 14.Qf3 Qb6–+) 13...Bc4 14.Rfd1 Qc7 15.Ne4 Ne4 16.Be4 Ba6?? ( 16...Be6 17.Bh7 Kh8+/–) 17.Bh7+– Kh8 18.Qf5 Rad8 19.Qh3 (19.Qh3 Rd1 20.Rd1 Bh4 21.Qh4 Qe7 22.Qe7 Kh7 23.Qf8 f6 24.Rd7 Kg6 25.g4 Kg5 26.Rg7 Kh4 27.Qh8#) 1–0. pierre – dusterstar, internet, 2006.

7.0–0 c6

8.a3 Qc7 9.d3 d5 10.cd5 cd5 11.Nbd2 b6 12.Rc1 Qd6 13.Qb3 Bb7 14.Rc2 Rac8 15.Rfc1 Rc2 16.Rc2 Rc8 17.Rc8 Bc8 18.Qc3 Bb7? (better is 18...Qb8!?+=) 19.Ne5+/– Ne5 20.Qe5 Nd7?? (20...Qe5 21.Be5 a5 22.Bc3+/–) 21.Qd6 (21.Qg7) 21...Bd6+/– 22.Nf3 f6 23.h3 Kf7 24.Nd4 Ke7? (better is 24...a5 25.b5 Nc5+/–) 25.Nf5+– Ke6 26.Ng7 Kf7 27.Nf5 Bf8 28.Nd4 Ne5 29.f4 Nd7 30.Bf3 Be7 31.Nb5 a6 (31...a5 32.Nc7 ab4 33.ab4 Bb4 34.Nd5 Bd5 35.Bd5 Ke7 36.d4+–) 32.Nc3 (32.Nc7 a5 33.Bd5 Bd5 34.Nd5 Ke6+–) 32...Bd6 (32...Ke6+–) 33.Bd5 Bd5 34.Nd5 Ke6 35.Nc3 (35.e4 h5+–) 35...Kf5 36.Kf2 Nf8 37.g4 Ke6 38.Kf3 Nd7 39.e4 1–0. Fournier,Frederic (1885) – l7169 (1690), Active, 2005.

8.a4 Qc7 9.d4 e4 10.Nfd2 d5 11.c5 Ne8 12.Nc3 f5 13.b5 Ndf6 14.h3 g5 15.f3 Qg3 16.fe4 Qe3–/+ 17.Kh1 Ne4 18.Nde4 fe4 19.Rf8 Bf8 20.Na2 Bg7 21.Nb4 Bd7 22.Nc2 Qf4 23.Bc1 Qh4 24.Ra3 Nf6 25.Kg1 g4 26.Kh2 Rf8 27.Bf4 Nh5 28.Bd6 Rf2 29.Kg1 gh3 30.gh3 Nf4 31.Bf4?? Qf4 32.Bg4 Qh2 0–1. hal1958 – tornado, playchess.de, 2004.

8.a4 e4 9.Ne1 Re8 (9...d5 10.Qb3=+) 10.d3 d5 11.b5 (11.Nc2 dc4 12.de4 Ne4 13.Bc4 Nb6=) 11...Nf8 (11...dc4 12.bc6 bc6 13.de4 Ne4 14.Bc4=+) 12.Nc2 Be6 13.Nc3 (13.de4 de4 14.Nd4 Qc7=) 13…Ng6 (13...Ng6 14.cd5 cd5=; 13...ed3!? 14.Qd3 dc4 15.Qd8 Rad8=+). Kross – Seifert, corr SOK–89–48, 1989.

8.a4 Re8 9.d4= ed4 10.ed4 Qb6 11.Bc3 Bd8 12.c5 dc5 13.dc5+= Qc7 14.Bc4 Nf8 15.Nbd2 Qf4 16.Qb3 Be6 17.Rfe1 Bc4 18.Qc4 Qc4 19.Nc4 Bc7 20.Bf6+/– gf6 21.Kf1 Ng6 22.g3 Ne5+= 23.Nce5 fe5 24.Rad1 f6 25.Rd7+/– Rac8 26.Nh4 b6 27.Nf5 Kh8 28.Ng7 Red8 29.Red1 Rd7 30.Rd7 Bb8 31.Ne6 Re8? 32.Rd8 Rd8 33.Nd8 bc5 34.bc5 Bc7 35.Nc6 a5 36.Ne7 Kg7 37.Nd5 Bb8 38.c6 Kf7 39.c7 Bc7 40.Nc7 Ke7 41.Nb5 Kd7 42.Ke2 Kc6 43.Kd3 h5 44.h3 Kc5 45.f3 Kb4 46.Nc3 f5 47.g4 e4 48.fe4 fg4 49.hg4 h4 50.g5 h3 51.Ne2 Ka4 52.Kc3 Kb5 53.g6 a4 54.g7 a3 55.g8Q (55.g8Q Kb6 56.Qe6 Kb7 57.Qh3 a2 58.Qd7 Kb8 59.Qd8 Kb7 60.Qd5 Kc7 61.Qa2 Kd7 62.Qa7 Ke8 63.e5 Kf8 64.Nf4 Ke8 65.e6 Kd8 66.Qd7#; 55.Nd4 Ka5 56.g8Q Ka6 57.Qb8 a2 58.Qb5 Ka7 59.Nc6 Ka8 60.Qb8#) 1–0. hal1958 – mrchess, playchess.de, 2003.

8.Nc3 Re8 9.d4 Qc7 10.Qb3 Nf8 11.h3 Ng6 12.Rac1 Bf8 13.d5 Qe7 14.Rfd1 Nd7? (better is 14...Qc7!?+=) 15.dc6+/– bc6 16.Ne4 d5 (16...Rd8 17.Nd6 c5 18.a3+/–) 17.cd5+– cd5 18.Qd5 Nb6 19.Qc5 Qb7 (19...Bb7 20.Qe7 Re7 21.Nc5+–) 20.Nd6 Qb8 (20...Bd6 21.Qd6 Qd7 22.Qd7 Bd7 23.Rc7+–) 21.Qc7 (21.Be5!? Ne5 22.Ne5 Be6+–) 21...Bd6 22.Rd6 Be6 (22...Bb7 23.Qb8 Rab8 24.Bb5+–) 23.a3 Nd5 (23...f6+–) 24.Qb8 Rab8 25.Ne5 Ne5 26.Be5 Rbc8 (26...Rb6 27.e4 Rd6 28.Bd6+– (28.ed5?! Rd5 29.Bf4 Re7=)) 27.Rc8 Rc8 28.Bd4 h6 29.Ba7 (29.Bf3 Nc3 30.Ba7 Bc4+–) 29...Ra8 (29...Rc3 30.Bd4 Ra3 31.b5+–) 30.Ra6 Nc3 31.Bf3 (31.Bf3 Bd5 32.Bd5 Nd5 33.Ra5+–) 1–0. Montaner Alemany,Antoni (2220) – Brunet Martinez,Josep (2235), Catalunya–chT, 2004.

8.d3 Re8 9.Nbd2 Bf8 10.Qc2 d5 11.a3 Qe7 12.cd5 cd5 13.Rfd1 a5 14.Bc3 b6 15.Nf1 ab4 16.ab4 Bb7 17.Ng3 Rac8 18.Qb2 Rc7 19.Bd2 Rec8 20.Rdc1 Ne8 21.Rc7 Rc7 22.h3 g6 23.Rc1 Bg7 0–1. Konieczny,Franz – Korchut,Adam (2035), IECG, 2004.

8.d4 e4 9.Nfd2 d5 10.Qb3 dc4 11.Nc4 Nb6 12.Nbd2 Be6 (12...Nc4 13.Bc4 Qd6 14.a3 a5 15.ba5 Ra5 16.a4=; 12...Nbd5 13.a3 Re8 14.f3 ef3 15.Bf3 Be6 16.e4=; 12...Bf5 13.Rac1 Nc4 14.Bc4 b5 15.Be2 Be6 16.Qc2=; 12...Bd7 13.Ne5 Bf5 14.a3 Bd6 15.Qc2 Re8 16.Rac1=; 12...a6 13.Qc2 Bf5 14.a3 Nbd5 15.Ne5 Qc8 16.Nb3=; 12...Qc7 13.Ne5 Be6 14.Qc2 Bd5 15.b5 c5 16.dc5=) 13.a4 (13.a3 Nc4 14.Bc4 Bc4 15.Qc4 Bd6 16.Qc2=). Sokolski,Alexey – Lisitsin, SU, 1946.

8.d4 e4 9.Nfd2 d5 10.Qb3 dc4 11.Nc4 Rb8 A) 12.a3 Nb6 (12...Nd5 13.f3 N7f6 14.Nbd2 ef3 15.Bf3 Be6 16.e4+=; 12...Qc7 13.Nc3 Nb6 14.Nb6 Qb6 15.Qc2 Bf5 16.Bc4=; 12...b5 13.Ncd2 Re8 14.Qc2 Rb6 15.Nc3 Bd6 16.Nde4+=) 13.Nb6 Qb6 14.Nc3 a5 15.b5 Bd6 16.Rac1=; B) 12.Nc3 Nb6 (12...Re8 13.a3 Nb6 14.Nb6 ab6 15.Bc4 Rf8 16.Qc2+/–) 13.Nb6 Qb6 14.a3 Bd6 15.Bc4 a5 16.b5=; C) 12.f3 ef3 (12...Nb6 13.fe4 Ne4 14.Nc3 Nc3 15.Bc3 Be6 16.e4=) 13.Bf3 Nb6 14.Nb6 Qb6 15.a3 a5 16.Nc3+=; D) 12.Rd1 Nb6 (12...Nd5 13.a3 N7f6 14.Qc2 Bf5 15.Nc3 Rc8 16.Rac1=; 12...a6 13.Nc3 Nb6 14.Nb6 Qb6 15.a3 a5 16.b5=; 12...Ra8 13.Nc3 Nb6 14.Nb6 Qb6 15.b5 Be6 16.Qc2+=) 13.Nb6 Qb6 14.a3 a5 15.Nd2 ab4 16.Bc3=; E) 12.Nbd2 Nb6 (12...Re8 13.a3 Nf8 14.Qc2 Bf5 15.Ne5 Bd6 16.Rfd1+=) 13.Qc2 Bf5 14.a3 Nc4 15.Bc4 Bd6 16.f3=.

8.d4 e4 9.Nfd2 d5 10.Qb3 dc4 11.Nc4 Nb8 A) 12.Ba3 a6 (12...Be6 13.b5 Ba3 14.Nba3 a6 15.b6 Nd5 16.Rab1=; 12...Na6 13.Nc3 Nc7 14.b5 cb5 15.Be7 Qe7 16.Nb5=; 12...Bg4 13.Bg4 Ng4 14.h3 Nf6 15.Nc3 Na6 16.Rfb1=; 12...Qc7 13.Nc3 Be6 14.Qc2 Ng4 15.Bg4 Bc4 16.Rfc1=; 12...b5 13.Ne5 Be6 14.Qc2 a5 15.ba5 b4 16.Bb2=; 12...Qd5 13.b5 Ba3 14.Nca3 Qg5 15.Rc1 a6 16.b6=; 12...Bd7 13.Nc3 Be6 14.Qc2 Bf5 15.Rfd1 Nd5 16.Ne4=; 12...Nd5 13.Nc3 Nc3 14.Qc3 Nd7 15.Rab1 Nb6 16.b5=; 12...Re8 13.b5 Ba3 14.Nba3 a6 15.b6 Be6 16.Qc3=) 13.Nc3 Bf5 14.Rac1 Nbd7 15.Qc2 Re8 16.Rfd1=; B) 12.Ncd2 Be6 (12...Bd6 13.Nc3 Re8 14.Rfd1 Qc7 15.h3 Be6 16.Qc2=; 12...Qd5 13.Qd5 cd5 14.a3 a5 15.b5 Be6 16.Nc3=; 12...Bf5 13.Nc3 Bd6 14.Nc4 Be6 15.Qc2 Bb4 16.Ne4=; 12...Qd6 13.Nc3 Bf5 14.a3 Bd8 15.Nc4 Qe6 16.Rac1=) 13.Qa4 Nbd7 14.Nc3 Nb6 15.Qc2 Nfd5 16.Nde4=; C) 12.Nbd2 Be6 (12...Qd5 13.f3 b5 14.Ne5 Qb3 15.ab3 Bd6 16.Ne4=; 12...Re8 13.a3 Be6 14.Qc2 Bd5 15.f3 Bd6 16.fe4+=; 12...b5 13.Ne5 Be6 14.Qc2 Bd5 15.a3 a5 16.Bc3=; 12...Bf5 13.a3 Qd5 14.Ne5 Qb3 15.Nb3 Nbd7 16.Nd7=; 12...Na6 13.a3 Nc7 14.Qc2 Bf5 15.Ne5 h6 16.Nb3=; 12...a6 13.Qc2 Bf5 14.a3 Nbd7 15.Rae1 Re8 16.f3+=; 12...Bd7 13.a3 Be6 14.Qc2 Bd5 15.f3 ef3 16.Bf3+=; 12...b6 13.a3 a5 14.Qc2 ab4 15.ab4 Ra1 16.Ra1=; 12...Qe8 13.a3 Bf5 14.f3 ef3 15.Bf3 Be6 16.Qc2+=) 13.Qc2 Bb4 14.Ne4 Ne4 15.Qe4 Nd7 16.Qc2=; D) 12.a3 Nbd7 (12...Bg4 13.f3 ef3 14.Bf3 Bf3 15.Rf3 b5 16.Ncd2=; 12...b5 13.Ne5 a5 14.ba5 Be6 15.Qc2 Ra5 16.Nc3+=; 12...Be6 13.Qc2 Re8 14.Nc3 Bc4 15.Bc4 Bd6 16.f3+=; 12...Bf5 13.Nc3 Nbd7 14.Rfd1 Qc7 15.Qc2 Ng4 16.g3+=; 12...Qd5 13.f3 b5 14.Ncd2 Be6 15.Qc2 Qg5 16.f4=; 12...Na6 13.Qc2 Nc7 14.Nc3 Bf5 15.Nd2 Re8 16.Na4=) 13.Nc3 Nb6 14.Qc2 Bf5 15.Nd2 Bd6 16.Nce4=; E) 12.Qc3 Nd5 (12...Be6 13.a3 Qd5 14.Qc2 Qg5 15.Kh1 Qh4 16.Nbd2=; 12...Bf5 13.a3 Nbd7 14.Qc2 Nd5 15.Nbd2 N7f6 16.Ne5=; 12...Re8 13.a3 Bg4 14.Bg4 Ng4 15.Nbd2 Bd6 16.h3=; 12...Bg4 13.Bg4 Ng4 14.Nbd2 f5 15.f3 ef3 16.Nf3=; 12...Bd7 13.a3 Bg4 14.Bg4 Ng4 15.Nbd2 Bd6 16.h3=; 12...b5 13.Ne5 Qd6 14.Qc2 Bf5 15.Nc3 Nd5 16.Nd5=; 12...Na6 13.a3 Nc7 14.Qc2 Ncd5 15.Nbd2 Bf5 16.Ne5=; 12...a6 13.a3 Nd5 14.Qc2 f5 15.Nc3 Be6 16.f3=; 12...Qd5 13.f3 Qg5 14.fe4 Ne4 15.Qc2 Nf6 16.Qd2+=) 13.Qc2 Nb4 14.Qc3 Bf5 15.Ba3 a5 16.Nbd2–/+; F) 12.Rc1 Bg4 (12...Be6 13.b5 a6 14.a4 cb5 15.ab5 Nbd7 16.Nc3=) 13.Bg4 Ng4 14.b5 Qc7 15.Ne5 Ne5 16.de5=; G) 12.a4 Re8 (12...Be6 13.Nc3 Na6 14.b5 Nb4 15.Ba3 cb5 16.ab5=; 12...Na6 13.b5 Nb4 14.Ba3 cb5 15.ab5 Nbd5 16.Nbd2=; 12...Qe8 13.Nc3 Be6 14.b5 cb5 15.Qb5 Nc6 16.d5+=; 12...Bf5 13.b5 Qc7 14.Nbd2 Rd8 15.f3 ef3 16.Bf3=; 12...Bd7 13.Nc3 Be6 14.Rac1 Nbd7 15.Qc2 Bb4 16.Ne4=; 12...a6 13.Nc3 Be6 14.Qc2 Bb4 15.Ne4 Ne4 16.Qe4=; 12...h6 13.Nc3 Be6 14.Rac1 Nbd7 15.Qc2 Bb4 16.Ne4=; 12...Qc7 13.Nc3 Bg4 14.Bg4 Ng4 15.g3 Nf6 16.Nd2+=; 12...Kh8 13.Nc3 Be6 14.Ba3 Nbd7 15.Qb1 Bf5 16.b5=) 13.Nbd2 Be6 14.b5 cb5 15.Qb5 Bd5 16.Ba3=; H) 12.Nc3 Be6 (12...Bf5 13.b5 cb5 14.Qb5 Qd7 15.f3 ef3 16.Bf3+=; 12...Qc7 13.a3 Bf5 14.Qc2 Re8 15.Rac1 Nbd7 16.Rfd1=) 13.Qc2 Bb4 14.Ne4 Ne4 15.Qe4 Nd7 16.a3=.

8.d4 e4 9.Nfd2 d5 10.Qb3 dc4 11.Nc4 Nd5 A) 12.a3 N7b6 (12...N7f6 13.Qc2 Bf5 14.Nc3 Rc8 15.Rfc1 Re8 16.Ne5=; 12...Re8 13.Qc2 N7f6 14.Nc3 Bf5 15.Nd5 cd5 16.Ne5=; 12...Qe8 13.Nc3 N7f6 14.Nd5 Nd5 15.f3 Bf5 16.b5=; 12...Qc7 13.Nc3 Nc3 14.Qc3 Nf6 15.Qc2 Be6 16.Rac1=; 12...f5 13.Nc3 N7f6 14.Nd5 Nd5 15.f3 ef3 16.Rf3=; 12...a6 13.f3 N7f6 14.Nbd2 ef3 15.Bf3 Nb6 16.e4+=; 12...Kh8 13.f3 N7f6 14.Nbd2 ef3 15.Bf3 Be6 16.e4+=) 13.Nb6 Qb6 14.Qc2 f5 15.Nc3 Bd6 16.Nd5=; B) 12.Ba3 N7f6 (12...a6 13.f3 ef3 14.Bf3 N7f6 15.Nbd2 Be6 16.Qb2=; 12...Rb8 13.Nc3 Nc3 14.Qc3 Nf6 15.Bb2 Bg4 16.Bg4=) 13.Rc1 a6 14.Nc3 Nc3 15.Qc3 Nd5 16.Qc2+=; C) 12.b5 cb5 13.Qb5 N7f6 14.Ba3 Ba3 15.Nba3 a6 16.Qb2+=; D) 12.Nc3 N7f6 (12...Nc3 13.Qc3 Nf6 14.a3 Be6 15.Rfc1 Qd5 16.Qc2=) 13.a3 Nc3 14.Qc3 Be6 15.Rfc1 Qd5 16.Ne5=.

8.d3 Qc7

9.a3 d5 10.cd5 cd5 11.Nbd2 a6 12.Rc1 Qb8 13.h3 Bd6 14.e4 de4 15.Ne4 Ne4 16.de4 Bc7 17.Qd5 Bb6 (17...a5!?+=) 18.Ne5+/– Ne5 (18...Nf6 19.Qd3+–) 19.Qe5 (better is 19.Be5!? Qa7 20.Bb2+–) 19...Qe5+/– 20.Be5 Be6 21.Kh1 f5 22.ef5 Rf5 23.Bg3 Raf8 24.Bg4 R5f6 25.Bh4 Rg6 26.Be6 Re6 27.f3 Re2 28.Rfe1 Rfe8 (28...Re1!? 29.Re1 Rc8+/–) 29.Re2+– Re2 30.Rc8 Kf7 31.Rb8 Bd4 32.Rb7 Kg6 33.Rd7 Be5 (33...Bb2 34.a4+–) 34.Rd5 (34.Re7 Re3+–) 34...Bf6? (better is 34...Kf7 35.Kg1 Bb2+–) 35.Bf6 gf6 36.Rd6 a5 37.b5 (better is 37.ba5!? Re3+–) 37...Rb2 38.a4 Rb4 39.Ra6 Ra4 40.b6 Rb4 41.Ra5 Rb6 42.Kh2 h5 43.h4 f5 44.Kh3 Rd6 45.g4 fg4 46.fg4 Rd3 47.Kg2 hg4 48.Rg5 Kh6 49.Rg4 Kh5 50.Rg3 Rd2 51.Kh3 Rd1 52.Rg5 Kh6 53.Kg3 (better is 53.Ra5!?+/–) 53...Rg1= 54.Kf4 Rf1 55.Kg3 Rg1 56.Kf4 Rf1 57.Kg3 Ra1 58.Kf4 Ra4 59.Kg3 Rb4 60.Rg4 Rb3 61.Kf4 Kh5 62.Rg5 Kh4 63.Ra5 Kh3 64.Ke4 Rc3 65.Kd4 Rf3 66.Ke4 Rf1 67.Ke3 Kh4 68.Ke4 Rc1 69.Kd3 Re1 70.Kd2 Re8 71.Kd3 Rf8 72.Ke3 Re8 73.Kd3 Rd8 74.Ke3 Re8 75.Kd3 ½–½. Fournier,Frederic – jamo, Owl21.com, 2007.

9.Nbd2 a5

10.b5 cb5 11.cb5 a4 12.a3 A) 12...Qb6 A1) 13.d4 e4 14.Ne1 d5 15.Rc1 Qe6= (15...Re8 16.Qc2 Nf8=) 16.Nc2 Nb6=; A2) 13.Rb1 d5 14.Ne5 Ne5 15.Be5 Ba3 16.d4 Nd7=; B) 12...Rd8 13.Rc1 (13.d4 e4 14.Rc1 Qb8 15.Ne1 d5 16.f3 Bd6= ) 13...Qb6 (13...Qa5 14.d4 e4 15.Ne1 d5 16.Bc3 Qb6= ; 13...Qb8 14.Nc4 b6 15.Rc2 Bb7 16.Qa1 Rc8= ) 14.d4 e4 15.Ne1 d5 16.f3 ef3=; C) 12...Re8 C1) 13.d4 e4 14.Rc1 Qd8 15.Ng5 d5 16.f3 ef3=; C2) 13.Rb1 Rd8 (13...Ra5 14.Rc1 Qd8 15.Bc3 Ra7 16.Rc2 b6= ; 13...d5 14.d4 e4 15.Rc1 Qb6 16.Ne1 Qe6= ) 14.Rc1 Qb6 15.d4 e4 16.Ne1 d5=; C3) 13.Ne4 d5 (13...Qb6 14.Nc3 d5 15.d4 e4 16.Nd2 Qa5= ; 13...Qa5 14.Rb1 d5 15.Nf6 Bf6 16.Qc2 Qb6= ) 14.Nf6 Bf6 15.d4 e4 16.Rc1 Qd6=; C4) 13.Rc1 Qb6 (13...Qd8 14.Qc2 d5 15.e4 d4 16.Nc4 Bf8= ) 14.d4 e4 15.Nh4 Nf8 16.d5 Qd8=.

10.b5 cb5 11.cb5 a4 12.Ba3 A) 12...Nb6 13.d4 (13.Rc1 Qd8 14.Nc4 Nc4 15.dc4 Qc7 16.Qc2 Bg4=) 13...Be6 14.Qb1 Nbd5 15.Qd3 (15.b6 Qd8 16.de5 Nc3=) 15...e4+= 16.Ne4 Ne4+= ; B) 12...Nd5 13.d4 (13.Qe1 N7f6 14.Nc4 Bd7 15.Rb1 Bg4 16.Rc1 Qd7=; 13.Rc1 Nc3 14.Ne4 Ne2 15.Qe2 Qb6 16.d4 ed4+= ) 13...Nc3 14.Rc1 ed4 15.ed4 Qa5 16.Nc4 Nd1+= ; C) 12...Qd8 13.d4 e4 (13...b6 14.Qc2 Bb7 15.Rac1 e4 16.Nh4 g6=) 14.Ng5 d5 15.Be7 Qe7 16.Nh3 Nb6=.

10.b5 cb5 11.cb5 a4 12.Rc1 A) 12...Qa5 13.Bc3 (13.d4 e4 14.Ne1 d5 15.Bc3 Qb6 16.Nc2 Ne8= ; 13.Ba3 Qb5 14.d4 Qd5 15.Ne5 Ne5 16.de5 Qe5= ) 13...Qb6 14.Rc2 Qb5 15.d4 Qb6 16.Nc4 Qa7+= ; B) 12...Qb6 B1) 13.d4 e4 14.Nh4 Nb8 15.Qc2 d5 16.Qc8 Rc8=; B2) 13.Ba3 Qd8 (13...Qb5 14.d4 Qd5 15.Ne5 Ne5 16.de5 Qe5= ) 14.Ne4 Nb6 15.Nf6 Bf6+= 16.Nd2 Be6= ; B3) 13.Rb1 Re8 (13...Qd8 14.Qc2 Nd5 15.d4 Nb4 16.Qc3 Nd5+= ; 13...Qc7 14.a3 d5 15.d4 e4 16.Rc1 Qb6= ; 13...Qa7 14.a3 b6 15.Rc1 Re8 16.Nc4 Bb7=) 14.Nc4 Qd8 15.Qc2 Nb6 16.Nfd2 Be6=; B4) 13.Bc3 Re8 (13...Ra7 14.Rc2 Nb8 15.e4 Qb5 16.d4 Qb6+= ; 13...Rd8 14.Rb1 Nd5 15.Nc4 Qc5 16.Bd2 Qc7+= ) 14.Nc4 Qb5 15.d4 Qd5 16.de5 de5=.

10.b5 cb5 11.cb5 a4 12.Nc4 Nb6 13.Nfd2 Bd7 (13...Nc4 14.Nc4 Be6 15.Qd2 Qc5 16.Rab1 Rac8=; 13...Be6 14.Rc1 Nc4 15.Nc4 Qd7 16.Rb1 Qe8=; 13...Nbd5 14.Rc1 Qd7 15.d4 e4 16.Ba3 Qb5=) 14.Rc1 Nc4 15.Nc4 Qd8= 16.b6 Be6=.

10.b5 cb5 11.cb5 a4 12.d4 A) 12...a3 13.Rc1 Qb8 (13...Qd8 14.Bc3 e4 15.Ne1 Nb6 16.Qb3 Be6=) 14.Bc3 e4 15.Ng5 d5 16.Nh3 Bd6+=; B) 12...e4 13.Rc1 Qa5 (13...Qb8 14.Ne1 d5 15.Nc2 Bd6= 16.h3 Nb6=) 14.Ng5 d5 15.f3 Ng4 16.fg4 Bg5+=.

10.b5 cb5 11.cb5 d5 12.Rc1 (12.a4 Bd6 13.Rc1 Qb8 14.e4 b6 15.ed5 Bb7=; 12.d4 e4 13.Rc1 Qb6 14.Ne5 Re8 15.a4 Bd6=; 12.a3 Bd6 13.Rc1 Qd8 14.Rc2 Qe7 15.Qa1 Rd8=; 12.Qa4 Qd6 13.Rac1 Qe6 14.a3 Bd6 15.Qh4 Qe7=; 12.Rb1 Bd6 13.Rc1 Qb6 14.a4 Re8 15.Nb3 Bb4=; 12.Re1 Qd6 13.Rc1 a4 14.a3 Re8 15.Rc2 Qb6=; 12.h3 Qd6 13.Rc1 Qe6 14.Rc2 Bd6 15.Qa1 a4=; 12.Qe1 a4 13.Rc1 Qd6 14.Rc2 Qe6 15.Qa1 Bd6=) 12...Qd6 13.a4 (13.Rc2 Qe6 14.Qa1 Bd6 15.Rfc1 a4=) 13...Qe6 14.e4 (14.Rc2 Bd6 15.Qa1 Re8+=) 14...Bb4 (14...Rd8 15.Qc2 Bb4+=) 15.Re1 (15.ed5 Nd5+/–) 15...d4 16.Rf1 Nb6 17.Nc4 Nc4 18.Rc4 Nd7 19.Ng5 Qe7 20.f4 Nc5 21.Qc2 b6 22.Nf3 f6 23.f5 Bd7 24.Nd2 (better is 24.Bd1!?+=) 24...Be8–+ 25.Qc1? (better is 25.Qd1–+) 25...Na4 26.Bd1 (26.Rc2 Bb5 27.Nc4 Bc4 28.Rc4 Nc3–+) 26...Nc5 27.Ba3 Bb5 (27...Bb5 28.Bb4 ab4–+) 0–1. Parry,Andrew – Korchut,Adam (2035), TE.2004.P.01708, 2004.

7.0–0 e4

8.Nd4 a5 A) 9.b5 Nc5 (9...Ne5 10.f3 Re8 11.fe4 Ne4 12.Qc2 Nf6+=) 10.f3 ef3 11.Bf3 Nd3 (11...d5 12.Qc2 dc4=) 12.Qc2= 12...Nb2=; B) 9.ba5 Nc5 (9...Ra5 10.Nc3 Nc5 11.Qc2 Re8 12.Nb3 Ra6=; 9...Re8 10.Qc2 Nc5 11.Nc3 c6 12.Nb3 d5+=) 10.f3 ef3 11.Bf3 Nd3 12.Bc3 d5=.

8.Nd4 Nb6 9.b5 (9.d3 c5 10.Nc2 Na4 11.Ba3 Re8 12.d4 Qc7 13.f3 ef3=+; 9.f3 c5 10.Nc2 ef3 11.Rf3 cb4 12.Nb4 Be6 13.d3 Rc8=+) 9...a6 10.Nc3 ab5 11.cb5 d5 12.a4 Bc5 13.d3 ed3 =.

8.Nd4 c5 9.bc5 dc5 10.Nf5 Nb6 11.Ne7 Qe7 12.Qc2 Bf5 13.Nc3 Rad8 14.Rab1 Nbd7 (14...Rd7 15.Nb5 a6 16.Na3+=) 15.Ba1 (15.f3 ef3 16.Qf5 fe2–/+) 15...b6 16.Nb5 Nb8 (16...a6 17.Nc3+=) 17.Rfd1 (17.Bf6!? Qf6 18.Na7=) 17...Nc6+= 18.Qb2 Nb4 (18...Rd7 19.Nc3 Qe5 20.Nb5+=) 19.a3 (19.Qe5!? Qe5 20.Be5=) 19...Nd3–/+ 20.Bd3 Rd3 (20...ed3?! 21.Qe5 Be6 22.Qg5=) 21.Qe5 Qe5 22.Be5 Bg4 23.Rdc1 Rd2 24.Na7 Be2 (24...Nd7 25.Rb2 Rd3 26.Bc7+=) 25.Nb5 (25.Rb6!? Ra8 26.Bc3+=) 25...Bd3 26.Ra1 (26.Rb2 Rb2 27.Bb2 Nd7=) 26...Ng4 (26...Nd7 27.Bc3 Re2 28.Nd6+=) 27.Bc3 (better is 27.Bc7!?=) 27...Re2–/+ (worse is 27...Rf2 28.h3 Rg2 29.Kg2 Ne3 30.Kg3 Nc4 31.a4=) 28.h3 Nf6 (28...Nf2 29.Be5+=) 29.Nc7 (29.Bf6!? gf6 30.Nc3=) 29...Rc8+= 30.Be5 Nd7 31.Nd5 Ra8 32.Bc7 The backward pawn on b6 becomes a target 32...Ra7 33.Bd6 f6 34.Nc3 Rd2 35.Nb5 Ra4–+ 36.Bc7 Rc4 37.Rc4 Bc4 38.Nc3 Bd3 39.a4 Rc2 40.Nd5 Rb2 41.Rd1 c4 42.Nc3 Rc2 43.Ne4–/+ Be4 44.Rd7 Rb2 45.Rd4+= Bd3 46.e4 Be2 47.Bf4 c3 48.Rd8 Kf7 49.Rc8 g5 50.Bc1 Rb3 51.f3 Bd3 52.Kf2 Bb1 53.Ke1 c2 54.Kd2 Rb4 55.Rb8 Rd4 56.Kc3= Ra4 57.Rb6 Ra7 58.Kb2 Rd7 59.Rb5 Rd1 60.Rd5 Ke6–/+ 61.Rd8 0–1. Blanco Blanco,Jesus (1890) – Pena Torres,Jose Carlos (2110), Santxenxo op, 2004. (=1.Nf3 Nf6 2.b4 d6 3.Bb2 e5 4.e3 Be7 5.Be2 0–0 6.0–0 Nbd7 7.c4 e4)

8.Nd4 c5 9.bc5 dc5 10.Nf5 Nb6 11.Ne7 Qe7 12.d4= ed3=.

8.Nd4 c5 9.bc5 dc5 10.Nf5 Re8 11.d3 Bf8 12.Qc2=.

8.Nd4 Re8 9.d3 ed3 (9...c5 10.bc5 ed3 11.Bd3 dc5 12.Nf5 Bf8=) 10.Qd3 A) 10...a5 11.a3 (11.b5 Nc5 12.Qd1 Ne6=) 11...ab4 (11...Ne5 12.Qc2 ab4=) 12.ab4= Ra1=; B) 10...Ne5 11.Qb3 a5 12.a3 ab4=.

8.Nd4 d5

9.c5 a5 10.a3 Ne5 11.Nb3 Nc6 12.b5 Nb8=.

9.c5 b6 10.Nc6 Qe8 11.Ne7 Qe7 12.c6 Ne5=.

9.c5 Ne5 10.d3 a5 11.a3 ed3 12.Bd3 Nd3=.

9.c5 Ne5 10.d3 ed3 11.Bd3 b6 12.cb6=.

9.c5 Ne5 10.d3 ed3 11.Bd3 Nd3 12.Qd3= a5=.

9.c5 Ne5 10.d3 ed3 11.Bd3 Bg4 12.f3 Bd7=.

9.cd5 Bb4 10.d3 ed3 11.Bd3 Nc5 12.Bc4 Nd5=.

9.cd5 Nd5 10.Nc3 N7f6 11.b5 Bc5 12.Nd5=.

8.Nd4 Ne5

9.d3 c5 10.Nc2 Be6 11.Nba3 ed3 12.Bd3+=.

9.d3 c5 10.Nc2 Be6 11.Nba3=+ cb4 12.Nb4 ed3 13.Nd3 Nc4=+.

9.d3 c5 10.Nc2 Be6 11.bc5 ed3 12.Bd3 Nd3 13.Qd3 dc5=+.

9.d3 d5 10.c5= c6 (10...ed3 11.Bd3 b6 (11...a5 12.a3= Nd3 13.Qd3 Ng4=) 12.cb6 ab6 13.b5 Re8=) 11.Qc2 (11.de4 de4 12.Qc2 a5+= (12...Bg4 13.Bg4 Neg4+=) 13.a3 ab4+=) 11...Qc7 (11...ed3 12.Bd3 Nd3 (12...b6 13.Be2 bc5=) 13.Qd3= Re8= ) 12.Nd2 (12.de4 Ne4 13.Nc3 Nf6= (13...Nc3 14.Bc3=)) 12...Bg4 ( 12...ed3!? 13.Bd3 Nd3 14.Qd3 Re8=; 12...Neg4 13.g3 ed3=) 13.de4+/– de4 (13...Be2+/–) 14.Ne4 Be2 15.Ne2 Nfg4 16.N4g3 g6 17.Rad1 Rad8 18.h3 Nf6 19.Qc3 Ned7 20.f4 h6? 21.Ne4 Kg7 22.Rd7! Qd7 23.Nf6 Qd2 1–0. Kuttruf,Andrei (2005) – Johnsen,Sylvia (2055), Open ch–NOR, Oslo NOR (4), 2004.

9.f4 Ng6 10.a3 c5 11.Nb3 Qb6 12.f5 Nh8+=.

9.f4 Ng6 10.d3 c5 11.Nc2 cb4 12.Nb4=.

9.f4 Ng6= 10.d3 c5 11.Nc2 Bf5 12.de4 Be4 13.f5 Ne5=.

7.0–0 Re8

8.a3 A) 8...d5 A1) 9.cd5 e4 (9...a5 10.Qb3 e4 11.Ng5 Bd6=) 10.Nd4 a5 11.d3 ed3=; A2) 9.d4 e4 10.Nfd2 Nb6 11.c5 Nbd7=; A3) 9.Ne5 Ne5 10.Be5 a5 11.b5 Bd6+=; B) 8...a5 B1) 9.Nc3 d5 (9...ab4 10.ab4 Ra1 11.Qa1 e4=) 10.cd5 ab4 11.ab4 Ra1=; B2) 9.Qc2 e4 (9...ab4 10.ab4 Ra1 11.Ba1 Nb6=) 10.Ng5 d5 11.cd5 Nd5=; B3) 9.d3 e4 (9...d5 10.c5 ab4 11.ab4 Ra1=) 10.de4 Ne4 11.Nbd2 Bf6=; C) 8...e4 C1) 9.Ne1 d5 (9...a5 10.d3 ab4 11.ab4 Ra1=) 10.cd5 Nd5 11.Qb3 N7f6+=; C2) 9.Nd4 Nb6 (9...Ne5 10.Qc2 c5 11.Nb3 Bf5=) 10.Qc2 c5 11.Nb3 Bf5=.

8.Qb3 e4 (8...a5 9.a3 e4 10.Nd4 ab4 11.ab4 Ra1 12.Ba1=; 8...c5 9.a3 a5 10.Nc3 d5 11.Nd5 Nd5 12.cd5=; 8...Nb6 9.d4 e4 10.Nfd2 a5 11.ba5 Ra5 12.Nc3=) 9.Nd4 Ne5 10.a3 c5 11.Nc2 Qc7 12.Nc3+=.

8.Qc2 a5 A) 9.a3 e4 (9...ab4 10.ab4 Ra1 11.Ba1 Nb6=) 10.Nd4 ab4 11.ab4 Ra1=; B) 9.ba5 c6 (9...Ra5 10.Nc3 Nb6 11.d3 Bg4=) 10.Bc3 Nc5 11.Ng5 g6=; C) 9.b5 a4 (9...Nc5 10.Nc3 Bg4 11.d4 ed4=) 10.d4 e4 11.Nfd2 d5=.

8.Qc2 Nb6 A) 9.d4 ed4 (9...e4 10.Nfd2 c6 11.Nc3 Bf5=) 10.Bd4 c5 11.bc5 dc5=; B) 9.e4 Bf8 (9...Bg4 10.d4 ed4 11.Nd4 Be2=) 10.d3 Nh5 11.c5 Nd7=; C) 9.Nc3 Qd7 (9...Be6 10.d3 Qd7 11.a4 a5=) 10.a3 Qf5 11.Qf5 Bf5=.

8.Qc2 e4 A) 9.Ng5 d5 10.cd5 Nd5 11.Qe4 Nf8=; B) 9.Ne1 d5 (9...c6 10.Nc3 a5 11.b5 d5=) 10.d3 dc4 11.de4 b5+=; C) 9.Nd4 d5 (9...Ne5 10.f4 Neg4 11.b5 d5=) 10.c5 Ne5 11.Nc3 c6=.

8.Qc2 Bf8 9.Nc3 c6 10.a4 Qe7 11.b5 c5 12.d3 g6 (12...a6 13.a5=) 13.Rfe1 Bg7 14.Rad1 h6 (14...a6 15.Ne4=) 15.Bf1 (15.a5 b6+=) 15...b6 16.d4 e4 17.Nd2 Bb7 18.d5 Nf8 19.g3 Bc8 20.Bg2 The pressure on e4 grows 20...Bf5 21.Ra1 N8h7 22.h3 h5 23.Kh2 Ng5 24.h4 (24.a5 ba5 25.Ra5 Qd7+=) 24...Nf3 25.Bf3 ef3 26.e4 Bg4 27.Qd3 Nd7 28.Nf3 Qf6 29.Re3 Ne5 (better is 29...Bf3!? 30.Rf3 Ne5 31.Rf6 Nd3 32.Rd6 Nb2–+) 30.Ne5+= Qf2 31.Kh1 Be5 (worse is 31...Re5 32.Nd1 Qf6 33.Kg2+/–) 32.Nd1 Qf6 (32...Bd1 33.Be5 Bc2–/+ (33...Re5?! 34.Rd1 Qa2 35.Rf1=)) 33.Be5= Re5 34.Nc3 Rae8 35.Rf1 Qe7 36.Kg2 g5 37.hg5 Qg5 38.Rf4 h4 39.Qf1 h3 40.Kh2 f5 41.Re1 Kg7 42.Qf2 Kh6 43.Rf1 Kg7 44.Kg1 h2 45.Kg2 Rh8 46.Rh1 (46.Kh1 Bh3 47.Ra1 Bg4=) 46...Qh5 47.Kf1 Rh6 (47...Kf6 48.Ke1+=) 48.Ke1= Re8 (48...Kf8 49.Qe3=) 49.Kd2 Re5 50.Kc2?? (better is 50.Kc1+=) 50...fe4–/+ 51.Rf8?? (better is 51.Qf1!?–/+) 51...Bf3 (better is 51...e3 52.Qf4 e2 53.Ne2 Re2 54.Kc3–+) 52.g4?? (52.Rf3 ef3 53.Kb3–+) 52...Qg6 53.Ne4 (53.Rf3 e3 54.Kb3 ef2 55.Rf2–+) 53...Qe4 54.Kc1 Kf8 55.g5 Rh3 0–1. Althoff,Guntram (2145) – Mosconi,Ariel Oscar (2075), Mislata op–B, 2003.

8.Qc2 Bf8 9.Nc3 c6 10.b5 Qc7 11.Rfc1 a6 12.a4 Nc5 13.d4 ed4 14.ed4 Ne6 15.Ne4 Nd7 16.Re1 g6 17.b6 (17.ba6 ba6 18.Bd3 Nf4+=) 17...Qd8 (17...Qb6!? 18.d5 Nf4=) 18.d5 Nec5? (better is 18...cd5 19.cd5 Nf4+=) 19.Nc5+– dc5 20.dc6 bc6 21.Qc3 f6 22.a5 Bg7 23.Rad1 Re7 24.Rd6 Qe8 25.Bf1 White threatens.... what? 25...Re1 26.Qe1 Qf7 27.Qe6 (better is 27.Qd2 Nf8 28.Rc6+–) 27...Qe6= 28.Re6 Kf7? (better is 28...Nb6 29.Rc6 Nd7+=) 29.Rc6+– Rb8 30.Nd2 Bf8 31.Ne4 Bb7 32.Nd6 Ke7? (32...Bd6 33.Rd6 Ke7+–) 33.Nb7 Rb7 34.Rc7 Rb8 35.g3 (35.Bf6 Ke6 36.Bc3 Bd6+–) 35...Kd8 (35...Ke8 36.Bg2 Nb6 37.ab6 Rb6 38.Rb7 Rb7 39.Bb7+–) 36.Bg2 (36.Ra7 Be7 37.Ra6 h5+–) 36...Nb6 37.ab6 Rb6 38.Rb7 Rb7 39.Bb7 a5 40.Bc6 (40.Bf6 Kd7+–) 40...Bd6? (40...Kc7 41.Ba4 Be7+–) 41.Bf6 Kc7 42.Be8 Bf8 43.f4 1–0. Moehring,Norbert (2155) – Feippel,Jean Paul (1910), Saarlouis op 7th, 2004.

8.Bc3 e4 (8...a5 9.b5 Ne4 10.Bb2 Nb6 11.Qc2 Nf6 12.d4=; 8...c5 9.bc5 Nc5 10.d4 ed4 11.Bd4 Be6 12.Nc3=; 8...c6 9.d4 e4 10.Nfd2 Qc7 11.a4 d5 12.Qc2=; 8...a6 9.d4 e4 10.Nfd2 d5 11.Qc2 dc4 12.Nc4=; 8...Ne4 9.a3 a5 10.Bb2 ab4 11.ab4 Ra1 12.Ba1=; 8...Nb6 9.d4 e4 10.Nfd2 d5 11.c5 Nbd7 12.b5=; 8...Rb8 9.d3 c5 10.b5 a6 11.a4 Qc7 12.a5=) 9.Nd4 Ne5 10.f4 Nd3 11.Bd3 ed3 12.Qb3+=.

8.Nc3 a5 9.b5 Nb6 10.d4 ed4 11.Nd4 a4 12.a3+=.

8.Nc3 a6 9.d4 b6 10.a3 c5 11.d5 Ra7 12.Qa4+=.

8.Nc3 Nb6 A) 9.Qc2 Be6 (9...Qd7 10.a3 Qf5 11.Qf5 Bf5=) 10.d3 Qd7 11.Ng5 Bf5=; B) 9.Rc1 d5 (9...c6 10.Qc2 Be6 11.d3 Qd7=) 10.Ne5 dc4 11.a3 Be6=; C) 9.d4 ed4 (9...e4 10.Nd2 d5 11.c5 Nbd7+=) 10.Qd4 c5 11.bc5 dc5=.

8.Nc3 c5 9.a3 d5 10.Nd5 Nd5 11.cd5 e4 12.Ne1=.

8.Nc3 c6 9.d4 Qb6 10.a3 a5 11.b5 c5 12.Re1+=.

8.Nc3 d5 A) 9.cd5 e4 (9...Bb4 10.a3 Bc3 11.dc3 Nc5=) 10.Ng5 Bb4 11.Qb3 Bd6=; B) 9.c5 c6 (9...a5 10.a3 ab4 11.ab4 Ra1=) 10.Qc2 Qc7 11.Rac1 a5=; C) 9.Nd5 Nd5 (9...e4 10.Ne7 Qe7 11.Nd4 Qb4+=) 10.cd5 e4 11.Nd4 Nf6=.

8.Nc3 e4 A) 9.Nd4 c5 (9...d5 10.Nd5 Nd5 11.cd5 Nf6=) 10.bc5 dc5 11.Nb3 Nb6=; B) 9.Ng5 d5 10.cd5 Bb4 11.Qb3 Bd6=.

8.Nc3 Bf8 9.d4 (9.Qc2 Nb6 (9...c6 10.a3 Nb6 11.d4 e4+=) 10.d4 e4 11.Nd2 d5+=; 9.d3 Nb6 (9...Qe7 10.Qd2 Nb6 11.a4 a5+=) 10.a3 c6 11.Rc1 Qe7=; 9.a3 e4 (9...Nb6 10.d3 c6 11.Rc1 Qe7=) 10.Nd4 Ne5 11.Qc2 c5=) 9...c6 (9...e4 10.Nd2 d5 11.Qb3 Qe7+=) 10.Qc2 (10.a3 e4 11.Nd2 Nb6+=) 10...h6 (10...ed4 11.Nd4 Ne5=) 11.Rfd1 (11.a4 ed4+=) 11...e4 12.Nd2 d5 13.cd5 cd5 14.Nb5 Re6 15.Qc7 Be7 16.Rdc1 Ne8? (better is 16...Qf8!? 17.a3 a6=) 17.Qd8+/– Bd8 18.Na7! Nd6 (18...Ra7 19.Rc8 Deflection (19.Rc8 Overloading)) 19.Nc8 Nc8 20.Bg4 Rd6 21.a4 Ne7 22.b5 f5 23.Ba3 Rf6 24.Be7 Be7 25.Rc7 Rd8 26.Bd1 Bb4 27.Nb3 b6 28.a5 ba5 29.Na5 Ba5 30.Ra5 Nb6 31.Raa7 g6 32.Bb3 g5 33.Ra6 Rfd6 34.Rc6 Rc6 35.bc6 Nc4 36.Bc4 dc4 37.c7 Rc8 38.Rc6 Kf7 39.Rc4 (39.Rh6 Ra8 40.Kf1 Ke7+–) 39...Ke7 40.h3 Ke6 41.Rc5 1–0. Zak,Pawel (1740) – Burzynski,Wladyslaw, Szachowe Lato Poznan Poland, 2011.

8.d3 a5 A) 9.b5 a4 (9...Nc5 10.Nc3 a4 11.d4 ed4=) 10.Nc3 Nc5 11.Rc1 e4=; B) 9.a3 e4 (9...ab4 10.ab4 Ra1 11.Ba1 d5=) 10.de4 Ne4 11.Nbd2 Bf6=.

8.d3 a6 9.a3 Nb6 10.Nbd2 Qd7 11.a4 a5 12.c5=.

8.d3 Nb6 A) 9.Nc3 c6 (9...Qd7 10.e4 c6 11.d4 ed4=) 10.a4 a5 11.b5 Bf5=; B) 9.a4 a5 (9...Nbd7 10.Nc3 a5 11.b5 Nc5=) 10.b5 Bf5 11.Nc3 c6=; C) 9.Nbd2 Bg4 (9...Qd7 10.a4 a5 11.c5 dc5+=) 10.Rc1 Qd7 11.Ng5 Be2=.

8.d3 c5 9.a3 Qb6 10.Qd2 cb4 11.ab4 d5 12.c5=.

8.d3 c6 9.Nc3 Qb6 10.a3 d5 11.d4 e4 12.Ne5=.

8.d3 d5 A) 9.c5 c6 (9...a5 10.a3 ab4 11.ab4 Ra1=) 10.Nbd2 Qc7 11.Qa4 b5=; B) 9.a3 dc4 (9...e4 10.Nfd2 ed3 11.Bd3 a5=) 10.dc4 e4 11.Nfd2 c5=; C) 9.cd5 Bb4 (9...a5 10.b5 Nd5 11.Ne5 Ne5+=) 10.Qb3 a5 11.Nbd2 Qe7=.

8.d3 Bf8 9.Nbd2 (9.Nc3 c5 10.a3 d5 11.bc5 Nc5 12.Nd5+/–) 9...c6 (9...a5 10.a3 ab4 11.ab4 Ra1 12.Qa1=) 10.a4 (10.a3 d5 11.Qc2 Bd6 12.Rfc1=) 10...d5 11.b5 (11.Bc3 dc4 12.dc4=) 11...Bd6 12.Re1 (12.cd5=) 12...Qe7 13.Nf1 (13.cd5 cb5 14.e4 ba4 15.Qa4 b5=) 13...Bb4 14.N1d2 dc4 15.dc4 c5 16.Rf1 e4 17.Ne1 Ne5 18.Qc2 Bf5 19.Bc3 Bc3 20.Qc3 Rad8 21.a5 Qc7 22.f3 ef3 23.gf3 Qe7 24.Rf2 Ng6 Black fights for the Initiative 25.Ng2 Bh3 26.Nf1 Bg2 27.Rg2 Nh4 28.Rf2 Nf5 29.Ra3 h6 30.Rg2 Nh4 31.Rf2 Nh7 32.f4 Nf6 33.Ng3 Ne4 34.Ne4 Qe4 35.Bd3 Qe6 36.Kf1?? (better is 36.Qc2–/+) 36...Qh3–+ 37.Kg1 Re3 (37...Re3 38.Qd2 Red3 39.Rd3 Rd3–+) 0–1. Van Bockel – Ploeger,M, Nederland tt, 1969.

8.d3 Nf8 9.Nc3 Ng6 10.a4 a5 11.ba5 (11.b5 Rb8=) 11...Ra5+= 12.Qc2 c6 (12...b6 13.d4+=) 13.Rfb1 Qd7 (13...Bf5 14.e4 Bg4 15.Bc1=) 14.Nd1 h6 (14...Ra8 15.Bc3=) 15.Bc3 Ra8 16.a5 Bd8 (16...Qf5 17.e4 Qe6 18.Ne3=) 17.e4 (17.Qb3 Ra6=) 17...Kh8 (17...Nf4 18.Ne3=) 18.Ne3 Ne7 (18...Nf4 19.Qd2=) 19.Qd2 (better is 19.c5 Ng6 20.cd6 Qd6 21.Nc4+/–) 19...Nh5? (better is 19...Ng6+=) 20.Ne5!+– de5 21.Bh5 Ng8 (21...Ng6 22.Bg4 Qc7 23.Qb2+–) 22.Bg4 Qc7 (22...Qe7 23.Qb2+–) 23.Qb2 Ra7 24.Bc8 Qc8 25.Be5 (25.Be5 Bf6 26.Bf6 Nf6 27.Qb6+–) 1–0. Nemeth,Laszlo – Bakos,Laszlo, Gongyos Matra op, 2002.

8.d4 a5 A) 9.de5 de5 (9...Ne5 10.b5 Nfg4 11.Nd4 Bh4 12.Nc3 Bf2 13.Rf2=) 10.b5 Bd6 11.Qc2 e4 12.Nd4 Nc5 13.Rd1=; B) 9.ba5 ed4 (9...e4 10.Nfd2 Ra5 11.Nc3 Bf8 12.Qc2 Qe7 13.Nb3+=) 10.Bd4 Ra5 11.Qd2 b6 12.Qb2 Bb7 13.Nbd2=; C) 9.b5 ed4 (9...e4 10.Nfd2 Nb6 11.Nc3 Bf5 12.Rc1 Qd7 13.h3=) 10.Bd4 Nc5 11.Nc3 Bf5 12.Nh4 Bd7 13.Bc5=.

8.d4 c5 A) 9.a3 cd4 (9...ed4 10.ed4 Qb6 11.Nc3 cb4 12.Na4 Qc7 13.ab4=; 9...Qb6 10.de5 de5 11.Ne5 cb4 12.Bd4 Bc5 13.Nd7=) 10.ed4 e4 11.Nfd2 d5 12.Nc3 Bd6 13.cd5=; B) 9.de5 de5 (9...Ne5 10.a3 Qb6 11.Nbd2 Bf5 12.Qb3 Rad8 13.Rad1+=) 10.Ne5 Ne5 11.Be5 cb4 12.Bf3 Nd7 13.Bd4=; C) 9.dc5 dc5 10.Ne5 Ne5 11.Be5 cb4 12.Qd4 Qd4 13.Bd4=; D) 9.bc5 e4 10.Nh4 dc5 11.Nf5 Bf8 12.d5 b5 13.cb5=.

8.d4 c6 A) 9.de5 Ne5 (9...de5 10.c5 Nd5 11.a3 e4 12.Nd4 N7f6 13.Nd2=) 10.Ne5 de5 11.Be5 Bb4 12.Qd8 Rd8 13.Bf6=; B) 9.Nc3 Qc7 (9...Qb6 10.a3 a5 11.b5 ed4 12.Na4 Qc7 13.Bd4+=; 9...a6 10.a3 e4 11.Nd2 d5 12.Qb3 Nb6 13.c5=; 9...ed4 10.Nd4 Ne5 11.a3 a5 12.b5 c5 13.Nf3+=; 9...e4 10.Nd2 d5 11.a3 Bd6 12.Rc1 dc4 13.Nc4=; 9...Rb8 10.Qb3 ed4 11.Nd4 c5 12.bc5 Nc5 13.Qa3=) 10.Qd3 ed4 11.Nd4 Ne5 12.Qc2 Bg4 13.a3=; C) 9.Nbd2 e4 (9...Qb6 10.a3 e4 11.Nh4 c5 12.Bc3 Nf8 13.Qa4=; 9...a5 10.b5 e4 11.Ng5 d5 12.bc6 bc6 13.Qc2+=; 9...ed4 10.Nd4 c5 11.bc5 dc5 12.Nf5 Bf8 13.Qc2+=) 10.Ng5 d5 11.b5 Nb8 12.bc6 bc6 13.cd5+=; D) 9.Qc2 e4 (9...a5 10.b5 e4 11.Nfd2 cb5 12.cb5 d5 13.Ba3=) 10.Nfd2 d5 11.b5 cb5 12.cd5 Bd6 13.Nc3=; E) 9.Qa4 ed4 (9...Nb6 10.Qc2 e4 11.Nfd2 d5 12.c5 Nbd7 13.a4=; 9...e4 10.Nfd2 d5 11.Qb3 a5 12.b5 a4 13.Qc2=; 9...Qc7 10.Nc3 e4 11.Nd2 d5 12.cd5 Nb6 13.Qc2=; 9...Qb6 10.a3 e4 11.Nfd2 d5 12.Nc3 Qd8 13.Qb3=) 10.Bd4 c5 11.Bc3 Ne4 12.a3 Nb6 13.Qc2=; F) 9.Qd2 a5 (9...e4 10.Ne1 d5 11.c5 b6 12.Nc2 Qc7 13.Nc3=; 9...Qc7 10.Nc3 e4 11.Ng5 d5 12.cd5 cd5 13.Nb5=; 9...b6 10.de5 Ne5 11.b5 Qc7 12.Nc3 Bg4 13.Nd4=; 9...Qb6 10.a3 a5 11.ba5 Qc7 12.Qc2 Qa5 13.Bc3=) 10.b5 e4 11.Ne1 cb5 12.cb5 Nb6 13.Nc3=; G) 9.Ng5 Qc7 (9...Qb6 10.a3 a5 11.b5 h6 12.Nf3 e4 13.Nfd2=; 9...a5 10.b5 h6 11.Nf3 Qc7 12.Nc3 Nb6 13.Rc1=; 9...ed4 10.Qd4 c5 11.Qd2 cb4 12.Qb4 d5 13.Qc3=; 9...h6 10.Nf3 e4 11.Nfd2 d5 12.Qb3 a5 13.ba5=; 9...e4 10.d5 a5 11.dc6 bc6 12.b5 h6 13.Nh3=; 9...a6 10.a3 h6 11.Nf3 e4 12.Nfd2 d5 13.Nc3=; 9...Rb8 10.a3 e4 11.Nc3 d5 12.cd5 cd5 13.f3=; 9...b6 10.Bf3 Qc7 11.b5 Bb7 12.Nd2 ed4 13.Bd4=) 10.Nc3 d5 11.a3 h6 12.Nf3 dc4 13.Bc4=; H) 9.Qb3 a5 (9...e4 10.Nfd2 Nb6 11.Nc3 Bf5 12.f3 ef3 13.Bf3=; 9...ed4 10.Nd4 c5 11.Nf5 cb4 12.Qb4 Nc5 13.Ne7=; 9...b6 10.Nc3 Qc7 11.Rfe1 a5 12.b5 c5 13.d5+=; 9...Qc7 10.Nc3 a5 11.a3 ed4 12.Nd4 Ne5 13.Rfd1=; 9...Qb6 10.de5 de5 11.c5 Qc7 12.Rd1 Rf8 13.Qa4+=) 10.de5 de5 11.Ne5 Ne5 12.Be5 ab4 13.Rd1=; I) 9.a4 c5 (9...e4 10.Nfd2 d5 11.Qb3 Qc7 12.Nc3 Bd6 13.cd5=; 9...Qc7 10.Nc3 e4 11.Nd2 d5 12.cd5 Nd5 13.Nde4+=; 9...a5 10.b5 e4 11.Nfd2 Qc7 12.Nc3 d5 13.Rc1+=; 9...Rb8 10.Qb3 Qc7 11.Nc3 a5 12.b5 ed4 13.Nd4=; 9...ed4 10.Nd4 d5 11.Qb3 Ne5 12.Nd2 a5 13.ba5=; 9...Rf8 10.Nc3 a5 11.b5 Re8 12.Qc2 Qc7 13.Rad1=) 10.bc5 e4 11.Nh4 dc5 12.Nf5 Bf8 13.f3=; J) 9.a3 e4 (9...a5 10.de5 de5 11.c5 e4 12.Nd4 Ne5 13.Qc2=; 9...c5 10.Nc3 ed4 11.ed4 a6 12.Re1 a5 13.b5+=) 10.Nfd2 Nb6 11.Nc3 d5 12.c5 Nbd7 13.b5=.

8.d4 ed4 9.Nd4 (9.Qd4 c5 (9...Nb6 10.a4 c5 11.bc5 dc5 12.Qd8 Rd8 13.a5+=; 9...a5 10.a3 Nb8 11.b5 Nbd7 12.Nc3 Nc5 13.Rad1=; 9...Ne5 10.Ne5 de5 11.Qe5 Bb4 12.Qb5 Be7 13.Rd1=; 9...Nb8 10.Rd1 Nc6 11.Qc3 Bg4 12.h3 Bf5 13.b5+=; 9...Nf8 10.Qd3 d5 11.a3 Be6 12.c5 Ng6 13.Nc3=) 10.bc5 dc5 11.Qc3 b6 12.Rd1 Qc7 13.Qc2=; 9.Bd4 a5 (9...c5 10.Bc3 cb4 11.Bb4 Ne5 12.Ne5 de5 13.Qd8=; 9...Nb6 10.Qc2 c5 11.bc5 dc5 12.Be5 Bg4 13.h3=) 10.b5 Nc5 11.Qc2 Nfe4 12.Nc3 Nc3 13.Qc3=; 9.ed4 c5 (9...d5 10.c5 c6 11.Re1 b6 12.Nbd2 Bb7 13.a3=; 9...a5 10.b5 Nb6 11.Re1 a4 12.Nbd2 Bf5 13.Nh4=; 9...Nb6 10.d5 a5 11.a3 Ne4 12.Nc3 Bf6 13.Nd4=; 9...c6 10.d5 cd5 11.cd5 Qb6 12.a3 a5 13.Bd4=; 9...a6 10.Re1 a5 11.b5 Nb6 12.Qc2 c6 13.Nbd2=; 9...Nh5 10.Qd2 d5 11.c5 Nhf6 12.Re1 Ne4 13.Qf4=) 10.a3 Qb6 11.Nc3 cb4 12.Na4 Qc7 13.ab4=) 9...Ne5 (9...c5 10.Nf5 Ne5 11.Ne7 Qe7 12.a3 a5 13.b5=; 9...a5 10.a3 Nb6 11.Nd2 ab4 12.ab4 Ra1 13.Ba1+=; 9...Nb6 10.a4 a5 11.b5 d5 12.Nd2 Bd6 13.Qc2+=; 9...d5 10.c5 Ne5 11.Nd2 a5 12.N4b3 Ned7 13.a3+=; 9...a6 10.a3 Ne5 11.Nd2 c5 12.N4f3 Bf5 13.bc5+=; 9...c6 10.a3 Nb6 11.Nd2 c5 12.N4f3 Bf5 13.Qb3+=; 9...Ne4 10.Nd2 Nd2 11.Qd2 Bf6 12.a3 Ne5 13.Rad1=) 10.h3 (10.a3 a5 11.Nd2 ab4 12.ab4 Ra1 13.Qa1=) 10...Ng6 (10...c5 11.bc5 dc5 12.Nb5 Nc6 13.N1c3=) 11.Nc3 (11.a3 a5 12.Nc3 c5 13.bc5=) 11...Bd7 (11...c5 12.Nc2 Be6 13.a3=) 12.b5 (12.a3 Ne5 13.Nd5+=) 12...Qc8 (12...a6 13.a4=) 13.g4 (13.Nd5 Ne5+=) 13...Bd8 14.Nc2 h5 (14...a6 15.Re1=) 15.f3 c6 (15...hg4 16.hg4 a6 17.ba6 Ra6 18.Qd2=) 16.Ba3 (16.Qd6 Bb6+=) 16...d5 17.bc6 bc6 18.cd5 cd5 19.Nb5 Be7 20.Be7 Re7 21.Nbd4 h4 (21...Qc7 22.Qe1+=) 22.Rf2 Qc7 23.Rg2 Rc8 24.Rb1 Ba4 25.Bb5 Bc2 26.Nc2 Qc5 27.Kh1 Nh7 28.Bd3 Qd6 29.Bg6 (29.Nd4 Qf6 30.Bg6 fg6=) 29...Qg6 30.Qd5 Re3 (30...Rc2 31.Qd8 Nf8 32.Qe7 Rg2 33.Rb8 Rh2 34.Kg1 Rg2 35.Kg2 Qc2 36.Kg1 Qd1 37.Kf2 Qd2 38.Kf1 Qd1 39.Kf2 Qd2 40.Kf1 Qd1 41.Kf2=) 31.Ne3 Qb1 32.Rg1 Rc1 33.Rd1 Rd1 34.Nd1 Qb8 35.Qd2 (better is 35.Nf2!?=) 35...Qg3–/+ 36.Qg2 Qe1 37.Qg1 Qe2 38.Nf2 Qa2 (38...Ng5!? 39.Qh2–+) 39.Ne4 Qe2 40.Qg2 Qg2 41.Kg2 Nf6 (41...a5 42.f4–+) 42.Nc3–/+ g5 43.Kf2 Nd7 44.Ke3 Kg7 45.Ke4 (45.f4!?–/+) 45...Nc5–+ 46.Ke3 Ne6 47.Ne2 0–1. Kilpatrick,Robert – Livie,George WG, corr SCCA final, 1979.

8.d4 e4 9.Nfd2 d5 (9...c6 10.Nc3 d5 11.Qb3 Nf8 12.a3 Bg4 13.Bg4=; 9...Nb6 10.Nc3 d5 11.c5 Nbd7 12.f3 ef3 13.Bf3=; 9...Rb8 10.d5 a5 11.a3 Ra8 12.Nc3 ab4 13.ab4+/–; 9...Nf8 10.d5 a5 11.b5 Bf5 12.Qc2 Qc8 13.Nc3+=; 9...a5 10.b5 Nb6 11.Nc3 Bf5 12.Rc1 Qd7 13.h3=) 10.a3 dc4 11.Nc3 Nb6 12.Qc2 Bd6 13.h3=.

7.Nc3 a5

8.a3 A) 8...Re8 9.b5 (9.0–0 ab4 10.ab4 Ra1 11.Qa1 e4= 12.Ng5=; 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 c5 12.0–0=; 9.d3 d5 10.cd5 ab4 11.ab4 Ra1 12.Qa1= ) 9...c6 10.0–0 cb5 11.Nb5 e4 12.Nfd4+=; B) 8...ab4 9.ab4 Ra1 10.Qa1 c6 11.0–0 Qc7 12.Rc1=; C) 8...d5 9.c5 (9.b5 e4 10.Nd4 dc4 11.Qc2 Re8 12.Bc4+= ; 9.cd5 ab4 10.ab4 Ra1 11.Qa1 Bb4 12.0–0= ) 9...e4 10.Nd4 Ne5 11.0–0 ab4 12.ab4=.

8.b5= Nc5 9.0–0 Re8 (9...e4 10.Nd4=) 10.d4 ed4 11.ed4 (11.Nd4 Nfe4=) 11...Ne6 12.g3 (12.d5 Nf4=) 12...h6 (12...d5 13.c5=) 13.Re1 c5 (13...d5 14.c5=) 14.d5 Nf8 15.Qc2 Bg4 16.Nh4 Qd7 (16...Bh3 17.Nf5+=) 17.Na4 Be2 18.Re2 Qh3? (better is 18...Bd8+/–) 19.Rae1+– Ng4 20.f4 (20.Re7?? Qh2 21.Kf1 Qh1 22.Ke2 Re7 23.Kd3 Qe1–+) 20...Bh4 21.Re8 Re8 22.Re8 Bf6 (22...Nf6 23.Re2 (23.gh4 Ne8 24.Qe2 Nc7+=) 23...Nh5 24.f5+–) 23.Nb6 Bb2 24.Qb2 Nf6 25.Rb8 Qf5 26.Qe2 (26.Rb7?! Qe4 27.Qg2 Qb1 28.Qf1 Qa2+–) 26...g5 (26...a4 27.Nc8 Qb1 28.Kg2+–) 27.fg5 (27.Rb7?! gf4 28.Qf3 Ng6+–) 27...Qg5 (27...hg5 28.Rb7 g4 29.Ra7+–) 28.Nc8 (worse is 28.Rb7 Ng4+–) 28...N8d7 29.Rb7 Ne5 30.Nd6 Nfg4 31.b6 (31.Rc7 Qg6 32.Ne4 Kg7+–) 31...Qc1 32.Kg2 h5 (32...Qe3 33.Qe3 Ne3 34.Kh3 Kg7+–) 33.Rb8 Kg7 34.b7 Ne3 (34...Qg5 35.Re8 Nd7 36.Nf7 Qf6+–) 35.Qe3! Qe3 (35...Qe3 36.Nf5 Double attack (36.Nf5 Decoy)) 36.Nf5 (36.Nf5 Kf6 37.Ne3+–) 1–0. forsetinn (1980) – trenchwar (1760), gameknot.com, 2013.

8.b5 e4 9.Nd4 Nc5 10.0–0 d5 (10...a4 11.f3 a3 12.Bc1+= ) 11.Qc2 (11.cd5 Nd5= 12.f3=) 11...dc4 12.Bc4+=.

7.Nc3 b6

8.Qc2 a5 9.b5 a4 (9...Bb7 10.0–0+= Re8 11.d4 ed4 12.Nd4 Nc5 13.Nf5+=; 9...Re8 10.0–0 Bb7 11.d4 ed4 12.Nd4 Nc5 13.Nf5+=; 9...Nc5 10.0–0 Re8 11.d4 ed4 12.Nd4 Bb7 13.Nf5+=; 9...Ra7 10.0–0 Bb7 11.d4 ed4 12.ed4 d5 13.Ne5+=; 9...Rb8 10.0–0 Re8 11.d4 Bb7 12.de5 Ne5 13.Ne5+=; 9...h6 10.0–0 Re8 11.d4 ed4 12.Nd4 Bb7 13.Rad1+=; 9...Kh8 10.0–0 Ra7 11.d4 Bb7 12.Rad1 Qa8 13.Qf5+=) 10.Na4+/– Bb7 11.Nc3 (11.0–0 Re8 12.d4 ed4 13.Bd4+/–) 11...c5 (11...Nc5 12.d4 Ncd7 13.0–0+/–) 12.0–0 (12.bc6 Bc6 13.0–0+/–) 12...e4 (12...Qc7!?+/– 13.Qf5+/–) 13.Ng5+– d5 14.f3 (14.cd5 Nd5 15.Nd5 Bg5 16.Qe4 Re8 17.Ne7 Re7 18.Qb7 Bf6+–) 14...dc4 (better is 14...h6!? 15.Nh3 dc4 16.fe4 Ne5+/–) 15.Nce4+– (15.Bc4?! Ne5 16.Nce4 Ne4 17.Ne4 Be4 18.Qe4 Nc4 19.Qc4 Qd2+=; 15.fe4?! Ne5+=) 15...Be4 16.Ne4 (16.fe4 Ne8 17.Nf7 Rf7 18.Bc4 Nd6 19.Rf7 Nf7+–) 16...Ne4 17.Qe4 Nf6 (17...Re8 18.Bc4 Bf6 19.Bf6 Nf6 20.Qc2+–) 18.Qc2+– (18.Qc4?! Qd2 19.Bc1 Qd5+/–) 18...Nd5 19.Bc4 Nc7 20.Rad1 Bf6 21.d4 (White is in command) 21...cd4 22.Bd4 Bd4 23.Rd4 Qg5 24.Re4 (24.Qb3 Rae8 25.Re1 Ne6+–) 24...Ra3 (better is 24...Nb5!? 25.f4 Qh5+/–) 25.Qc1 Ra5 26.a4 Raa8 27.Qc3 Rad8 28.Rg4 Qh6 29.Qe5 Ne8 30.f4 (30.Qe7 Qd6 31.Qg5 h6+–) 30...Qf6 31.Qg5 (31.Rg5 h6 32.Rg3 Rd2+–) 31...h6 (better is 31...Ra8+/–) 32.Qh5?? (32.Qe5 Rd2+–) 32...Nd6?? (32...Qc3 33.Qh4 Nf6+=) 33.Bd5 (33.Qe5 Ne8+–) 33...Kh7 (33...Qf5 34.Rh4+/–) 34.Ba2 (34.Qe5!? Rfe8 35.Qf6 gf6+–) 34...Rde8 35.Rg3 Re4 (35...g6 36.Qh3+/–) 36.Bb1+– g6 37.Qd1 Rd8 38.Qb3 Ree8 39.Rgf3 Ne4 40.Be4 Re4 1–0. Woelfelschneider,Peter – Jablonsky,Werner, corr, 1988.

8.Qc2 a6 A) 9.a3 c5 (9...Bb7 10.0–0 Re8 11.d4 a5 12.Rfd1 ed4 13.Nd4+=; 9...Re8 10.0–0 c5 11.e4 Bb7 12.Rfb1 Qc7 13.b5=; 9...c6 10.d4 Qc7 11.0–0 ed4 12.Nd4 Ne5 13.f4+=; 9...Rb8 10.0–0 c5 11.d4 Re8 12.Bd3 cd4 13.ed4+=; 9...a5 10.0–0 c5 11.b5 Bb7 12.Qf5 Qc8 13.d3+=; 9...Ra7 10.d4 c5 11.0–0 ed4 12.ed4 Qc7 13.Rfe1+=) 10.0–0 Re8 11.e4 Ra7 12.Rfb1 Qc7 13.b5=; B) 9.0–0 c5 (9...Re8 10.d4 Bb7 11.a3 c5 12.d5 cb4 13.ab4+=; 9...Bb7 10.d4 Re8 11.a3 c5 12.bc5 bc5 13.de5+=; 9...c6 10.d4 Re8 11.Rfd1 Qc7 12.a3 ed4 13.Nd4+=) 10.a3 Re8 11.Ne4 Bb7 12.Nf6 Nf6 13.d3=; C) 9.e4 Re8 (9...a5 10.b5 Nc5 11.d4 ed4 12.Nd4 Bb7 13.f3=; 9...c5 10.a3 Nh5 11.Nd5 Ndf6 12.Nf6 Nf6 13.0–0=; 9...Bb7 10.0–0 a5 11.a3 c6 12.d4 Qe8 13.Rfd1+=; 9...c6 10.0–0 c5 11.bc5 dc5 12.a4 Rb8 13.a5=; 9...Rb8 10.0–0 c5 11.b5 Ra8 12.ba6 Ra6 13.Rfb1=; 9...Nb8 10.0–0 Bg4 11.a3 a5 12.b5 c5 13.bc6+=; 9...Qe8 10.Nd5 Nd5 11.cd5 f5 12.ef5 a5 13.ba5=; 9...Ra7 10.0–0 c5 11.a3 Qc7 12.Qd3 Bb7 13.Rfe1=; 9...Kh8 10.d4 ed4 11.Nd4 c5 12.Nc6 Qe8 13.0–0+=) 10.0–0 c5 11.bc5 dc5 12.Rfb1 Qc7 13.a4=; D) 9.Rd1 c5 (9...Bb7 10.0–0 c5 11.bc5 bc5 12.Qf5 Rb8 13.Rb1=) 10.bc5 bc5 11.d4 cd4 12.ed4 Qc7 13.0–0=; E) 9.d4 c5 (9...ed4 10.Nd4 Bb7 11.0–0 Re8 12.a3 Ne5 13.Nf5+=) 10.bc5 bc5 11.de5 de5 12.0–0 Qc7 13.Rfd1+=.

8.Qc2 Ba6 A) 9.a3 Re8 (9...c5 10.0–0 Re8 11.Rfb1 Bb7 12.Qf5 cb4 13.ab4+= ; 9...Bb7 10.0–0 c5 11.d4 Re8 12.d5 cb4 13.ab4+= ; 9...Qc8 10.0–0 c5 11.b5 Bb7 12.Nh4 a6 13.Nf5=; 9...Bc8 10.0–0 Re8 11.d4 c5 12.bc5 bc5 13.de5+=; 9...Qe8 10.0–0 Bb7 11.d4 a5 12.b5 Qd8 13.Rad1+/–) 10.0–0 c5 11.Ng5 h6 12.Nf3 Bb7 13.e4=; B) 9.0–0 c5 (9...Bb7 10.a3 a6 11.d4 ed4 12.Nd4 Re8 13.Rfd1+= ; 9...Re8 10.d4 Bb7 11.a3 ed4 12.Nd4 Ne5 13.e4+= ; 9...Qe8 10.a3 c5 11.b5 Bb7 12.d4 cd4 13.ed4=; 9...c6 10.d4 Bb7 11.a3 c5 12.Qf5 cd4 13.ed4+=; 9...Qc8 10.d4 c5 11.de5 Ne5 12.b5 Bb7 13.Ne5+=) 10.b5 Bb7 11.d4 cd4 12.ed4 a6 13.Qf5=; C) 9.d3 Re8 (9...Bb7 10.0–0 c5 11.bc5 dc5 12.e4 Ng4 13.h3=; 9...c5 10.b5 Bb7 11.0–0 a6 12.Rfb1 Re8 13.ba6=; 9...c6 10.0–0 d5 11.cd5 cd5 12.b5 Bb7 13.d4=; 9...Bc8 10.0–0 a5 11.b5 Re8 12.d4 ed4 13.ed4+=; 9...h6 10.0–0 Bb7 11.a3 a6 12.d4 ed4 13.Nd4+=; 9...Kh8 10.0–0 Bb7 11.d4 ed4 12.Nd4 a5 13.b5+=; 9...Qc8 10.0–0 c5 11.a3 Bb7 12.d4 cd4 13.ed4+=; 9...Qe8 10.0–0 Bb7 11.d4 ed4 12.ed4 d5 13.c5+=; 9...Qb8 10.0–0 Bb7 11.d4 c5 12.bc5 dc5 13.d5+=) 10.0–0 Bb7 11.e4 c6 12.a3 d5 13.ed5=; D) 9.Rb1 c5 (9...Bb7 10.0–0 c5 11.b5 a6 12.ba6 Ra6 13.Qf5=; 9...Re8 10.0–0 Bb7 11.Qf5 c5 12.bc5 Nc5 13.d4=; 9...Bc8 10.0–0 c5 11.b5 a6 12.ba6 Ra6 13.d4=; 9...c6 10.0–0 Bb7 11.a3 Qc7 12.d4 a5 13.b5+=) 10.bc5 dc5 11.Ne4 Bb7 12.Nf6 Bf6 13.Bd3=; E) 9.e4 Bb7 (9...c5 10.a3 Bb7 11.0–0 a6 12.Rfc1 Qc7 13.d3=; 9...Bc8 10.d4 ed4 11.Nd4 Ne5 12.f4 Neg4 13.Qd3+=; 9...Re8 10.d4 ed4 11.Nd4 Bb7 12.a3 c5 13.Nf5+=) 10.0–0 c5 11.a3 a6 12.Rad1 Qc7 13.d3=; F) 9.b5 Bb7 10.0–0 a6 11.d4 ab5 12.cb5 ed4 13.Nd4+=; G) 9.Rd1 c5 (9...Bb7 10.0–0 c5 11.bc5 dc5 12.d4 cd4 13.ed4= ; 9...c6 10.d4 Qe8 11.a3 ed4 12.Nd4 Ne5 13.b5+= ; 9...Re8 10.d4 ed4 11.Nd4 Ne5 12.Nd5 Nd5 13.cd5+=; 9...Bc8 10.d4 ed4 11.Nd4 Bb7 12.Nf5 a5 13.b5+=) 10.bc5 bc5 11.d4 cd4 12.ed4 Qc7 13.0–0=; H) 9.d4 c5 (9...Bb7 10.0–0 ed4 11.Nd4 Re8 12.Nf5 Ne5 13.e4+= ; 9...ed4 10.Nd4 Bb7 11.0–0 Re8 12.a3 Ne5 13.e4+= ) 10.bc5 bc5 11.de5 Ne5 12.Ne5 de5 13.0–0+=.

8.Qc2 Bb7 A) 9.0–0 Re8 (9...c5 10.a3 Re8 11.Qf5 Qc8 12.d3 a6 13.Rfb1=; 9...c6 10.a3 d5 11.cd5 cd5 12.Qf5 g6 13.Qh3=; 9...a6 10.d4 Re8 11.a3 c5 12.bc5 bc5 13.de5+=; 9...e4 10.Ng5 a5 11.ba5 Ra5 12.Nce4 Ne4 13.Ne4+/–; 9...d5 10.Nd5 Nd5 11.cd5 Bb4 12.Bd3 h6 13.Bh7+=; 9...a5 10.b5 Re8 11.d4 ed4 12.Nd4 Nc5 13.Nf5+=) 10.e4 c6 11.a3 d5 12.cd5 cd5 13.ed5=; B) 9.e4 c5 (9...a5 10.b5 Nc5 11.d3 Nfd7 12.0–0 f5 13.ef5+=; 9...c6 10.a3 d5 11.cd5 cd5 12.Nd5 Nd5 13.ed5=) 10.b5 Nh5 11.0–0 Nf4 12.d3 f5 13.Nd5=; C) 9.Qf5 c5 (9...a5 10.b5 Re8 11.0–0 a4 12.a3 Nc5 13.d4+=; 9...g6 10.Qc2 e4 11.Ng5 d5 12.cd5 Nd5 13.Nd5=) 10.b5 a6 11.ba6 Ra6 12.0–0 Qa8 13.d3=; D) 9.b5 a6 (9...c5 10.0–0 a6 11.ba6 Ra6 12.Rfb1 Qa8 13.Qf5=; 9...c6 10.0–0 cb5 11.cb5 a6 12.Qf5 e4 13.Ng5=; 9...Re8 10.0–0 a6 11.d4 ab5 12.cb5 e4 13.Ng5=; 9...Rc8 10.0–0 c6 11.Qf5 cb5 12.cb5 Rc5 13.Ba3=; 9...Qe8 10.0–0 a6 11.d4 ab5 12.Nb5 Bd8 13.d5=) 10.0–0 ab5 11.cb5 d5 12.Rfc1 Bd6 13.d4=; E) 9.Rb1 c5 (9...e4 10.Ng5 d5 11.cd5 Nd5 12.Nd5 Bd5 13.Ne4=; 9...d5 10.Nd5 Nd5 11.cd5 Bd5 12.Ne5 Ba2 13.Rc1+=; 9...a6 10.0–0 c5 11.a3 Re8 12.Qf5 g6 13.Qc2=; 9...c6 10.0–0 c5 11.b5 a6 12.ba6 Ra6 13.Qf5=; 9...h6 10.0–0 Re8 11.d4 ed4 12.Nd4 a5 13.b5+=; 9...Re8 10.0–0 c6 11.d4 a5 12.ba5 Ra5 13.Rfd1=) 10.b5 a6 11.ba6 Ra6 12.0–0 Qa8 13.d3=; F) 9.a3 c5 (9...e4 10.Ng5 c5 11.Nce4 Ne4 12.Ne4 f5 13.Ng3+/–; 9...a6 10.0–0 c5 11.Qf5 Qc8 12.d4 ed4 13.ed4=; 9...Re8 10.0–0 c5 11.Qf5 a6 12.Rfe1 Qc7 13.b5=; 9...a5 10.0–0 c6 11.d4 Re8 12.Rfd1 Qc7 13.Bd3+=; 9...c6 10.0–0 d5 11.cd5 cd5 12.Qf5 g6 13.Qh3=; 9...Qc8 10.0–0 c5 11.d4 ed4 12.ed4 d5 13.dc5+=; 9...h6 10.0–0 a6 11.d4 ed4 12.Nd4 Re8 13.Rfd1+=; 9...Rb8 10.0–0 c5 11.b5 Ra8 12.Ng5 h6 13.Nge4=) 10.0–0 a6 11.Qf5 Qc7 12.d3 Rfe8 13.Rfb1=.

8.Qc2 Rb8 A) 9.0–0 c5 (9...a6 10.d4 c5 11.de5 de5 12.b5 Qc7 13.Rfd1+=; 9...Bb7 10.Qf5 a6 11.a3 Qc8 12.d4 Re8 13.Rfe1+=; 9...Re8 10.b5 Bb7 11.d4 a6 12.de5 de5 13.Rad1+=; 9...c6 10.d4 Qc7 11.Rfd1 Re8 12.b5 a6 13.Bd3+=; 9...a5 10.ba5 ba5 11.d4 Re8 12.de5 de5 13.Rfd1+=) 10.b5 a6 11.ba6 Ba6 12.Rfb1 Ra8 13.Qf5=; B) 9.a3 Bb7 (9...a6 10.d4 c5 11.0–0 Re8 12.Rfe1 Bb7 13.d5+=; 9...Re8 10.0–0 c5 11.d4 ed4 12.ed4 cb4 13.ab4+=; 9...a5 10.0–0 c5 11.b5 Bb7 12.Qf5 Qc7 13.Rfe1+=; 9...c5 10.0–0 a5 11.b5 Bb7 12.Qf5 Qc7 13.d3+=; 9...c6 10.d4 ed4 11.Nd4 Bb7 12.Nf5 Ne5 13.0–0+=; 9...Ra8 10.0–0 Re8 11.d4 c5 12.bc5 bc5 13.de5+=; 9...Rb7 10.0–0 c5 11.d4 ed4 12.ed4 Re8 13.Bd3+=) 10.0–0 c5 11.b5 Ra8 12.Ng5 h6 13.Nge4=; C) 9.Rb1 Re8 (9...a6 10.0–0 Bb7 11.d4 ed4 12.Nd4 c5 13.bc5+= ; 9...c5 10.b5 Ra8 11.0–0 a6 12.ba6 Ra6 13.d4= ; 9...Ra8 10.0–0 c5 11.b5 a6 12.ba6 Ba6 13.Rfe1=; 9...Bb7 10.0–0 a6 11.d4 c5 12.bc5 bc5 13.de5+=; 9...a5 10.b5 Re8 11.0–0 Bb7 12.d4 ed4 13.Nd4+=; 9...c6 10.d4 c5 11.de5 de5 12.b5 Qc7 13.Rd1+=; 9...Rb7 10.0–0 Re8 11.d4 c5 12.de5 Ne5 13.bc5+=; 9...Qe8 10.0–0 c5 11.b5 Bb7 12.Qf5 Qc8 13.Ng5+=) 10.0–0 Bb7 11.b5 Ra8 12.d4 a6 13.de5=; D) 9.d4 ed4 10.Nd4 Bb7 11.0–0 c5 12.bc5 Nc5 13.Qf5+=; E) 9.d3 a5 (9...Bb7 10.0–0 a6 11.Rfd1 Re8 12.d4 e4 13.Nd2=; 9...Re8 10.0–0 a6 11.d4 Bb7 12.a3 ed4 13.Nd4+=; 9...c6 10.d4 c5 11.b5 cd4 12.ed4 Qc7 13.0–0+=; 9...c5 10.b5 Re8 11.0–0 Bb7 12.Nd2 d5 13.cd5=; 9...Ra8 10.0–0 a5 11.b5 Re8 12.d4 ed4 13.Nd4+=; 9...a6 10.0–0 Re8 11.d4 Bb7 12.a3 a5 13.Rfd1+=; 9...Qe8 10.0–0 c5 11.b5 Bb7 12.Rfd1 Ra8 13.d4+=; 9...Rb7 10.b5 a6 11.d4 Ra7 12.0–0 Bb7 13.Qf5+=; 9...Kh8 10.b5 Bb7 11.0–0 a6 12.d4 ab5 13.cb5+=) 10.b5 Bb7 11.d4 ed4 12.ed4 d5 13.Ne5= ; F) 9.Rd1 Re8 (9...Bb7 10.0–0 e4 11.Ng5 d5 12.b5 h6 13.Nh3+=; 9...c5 10.b5 a6 11.d4 ed4 12.ed4 ab5 13.Nb5=; 9...a5 10.b5 Re8 11.d4 ed4 12.Nd4 Bb7 13.0–0+=; 9...Qe8 10.0–0 Bb7 11.d4 a6 12.a3 c5 13.Qf5+=) 10.b5 Bb7 11.d4 ed4 12.Nd4 Bg2 13.Rg1=; G) 9.e4 c5 (9...a6 10.0–0 c5 11.b5 Ra8 12.Rfb1 Nh5 13.Nd5=; 9...Re8 10.0–0 Bb7 11.Rfd1 c5 12.b5 Ra8 13.d3=; 9...a5 10.b5 Bb7 11.d4 ed4 12.Nd4 Nc5 13.f3+=; 9...Ra8 10.0–0 c5 11.bc5 dc5 12.a4 Qc7 13.a5=; 9...c6 10.0–0 c5 11.bc5 bc5 12.Rab1 Nb6 13.a3=; 9...Bb7 10.0–0 a6 11.d4 c5 12.de5 de5 13.b5+=; 9...Qe8 10.0–0 a5 11.b5 Nc5 12.d4 ed4 13.Nd4+=; 9...Ba6 10.d4 Bb7 11.d5 Bc8 12.0–0 a6 13.Bc1+=; 9...Nh5 10.d4 Nf4 11.0–0 c5 12.de5 Ne5 13.Ne5+=) 10.b5 Re8 11.0–0 Ra8 12.Qd3 a6 13.ba6= ; H) 9.b5 Bb7 (9...a6 10.d4 Bb7 11.0–0 ab5 12.cb5 e4 13.Nd2+=; 9...Re8 10.d4 a6 11.0–0 Bb7 12.de5 de5 13.Rfd1+= ; 9...Ra8 10.0–0 a6 11.d4 Bb7 12.de5 Ne5 13.Ne5+=; 9...a5 10.0–0 Re8 11.d4 Bb7 12.de5 Ne5 13.Ne5+=) 10.0–0 a6 11.d4 ab5 12.cb5 e4 13.Nd2+=.

8.Qc2 c5 A) 9.b5 Qc7 (9...Bb7 10.0–0 a6 11.ba6 Ba6 12.Rfb1 Re8 13.e4=; 9...a6 10.0–0 Bb7 11.ba6 Ra6 12.Rfb1 h6 13.d3=; 9...Re8 10.0–0 a6 11.d3 Nf8 12.Nd2 Ne6 13.Bf3+=; 9...h6 10.0–0 a6 11.ba6 Re8 12.Rfb1 Ba6 13.e4+=; 9...Kh8 10.0–0 a6 11.ba6 Ba6 12.Rfb1 Qc7 13.d3=) 10.g4 Bb7 11.g5 Ne8 12.Nd5 Qd8 13.Bd3=; B) 9.a3 Re8 (9...a6 10.0–0 Re8 11.e4 Bb7 12.Rfb1 Qc8 13.bc5=; 9...a5 10.bc5 bc5 11.0–0 Rb8 12.Rab1 Bb7 13.Qf5=; 9...Qc7 10.0–0 Re8 11.d4 cd4 12.ed4 a6 13.Bd3+=; 9...Bb7 10.0–0 a5 11.b5 Qc7 12.e4 Rad8 13.Rfe1+=; 9...cb4 10.ab4 Bb7 11.b5 Qc7 12.0–0 Rfc8 13.Qf5+=; 9...Rb8 10.0–0 a6 11.d4 cd4 12.ed4 Re8 13.Rad1+=; 9...Ba6 10.0–0 Re8 11.Rfb1 Bb7 12.Qf5 a6 13.d3=; 9...h6 10.0–0 Re8 11.e4 a6 12.Qd3 Bb7 13.Rfb1=; 9...Qe8 10.0–0 Bb7 11.d4 ed4 12.ed4 d5 13.dc5+=) 10.Ne4 Bb7 11.Nf6 Nf6 12.d3 e4 13.de4=; C) 9.bc5 dc5 (9...bc5 10.0–0 Rb8 11.d4 cd4 12.ed4 Bb7 13.Rab1=; 9...Nc5 10.0–0 Re8 11.Rad1 Bb7 12.d4 ed4 13.ed4=) 10.Ne4 Bb7 11.Bd3 Ng4 12.h3 Nh6 13.Ng3=.

8.Qc2 c6 A) 9.d4 e4 (9...Bb7 10.0–0 a5 11.b5 cb5 12.Nb5 Be4 13.Qd2+=; 9...ed4 10.Nd4 Bb7 11.0–0 c5 12.bc5 Nc5 13.Qf5+=) 10.Nd2 d5 11.b5 cb5 12.cd5 Bb7 13.Bb5=; B) 9.a3 d5 (9...Re8 10.d4 c5 11.0–0 Bb7 12.d5 a5 13.ba5+=; 9...a5 10.0–0 Qc7 11.d4 ab4 12.ab4 Bb7 13.Rfd1+=; 9...c5 10.0–0 Re8 11.Ng5 Bb7 12.f4 h6 13.Nge4=; 9...a6 10.d4 Re8 11.0–0 Qc7 12.Rfd1 ed4 13.Rd4+=) 10.0–0 a5 11.b5 cb5 12.Nb5 e4 13.Nfd4=; C) 9.0–0 d5 (9...c5 10.a3 Re8 11.Ng5 Bb7 12.f4 h6 13.Nge4=; 9...Bb7 10.Qf5 g6 11.Qh3 d5 12.cd5 cd5 13.b5+=; 9...a5 10.b5 cb5 11.Nb5 Ba6 12.a4 Rc8 13.Rad1=; 9...Re8 10.d4 Qc7 11.Rfd1 a6 12.a3 ed4 13.Rd4+=; 9...Qc7 10.d4 Re8 11.Rad1 Bb7 12.Qf5 Bc8 13.b5=; 9...a6 10.d4 Re8 11.Rfd1 Qc7 12.a3 ed4 13.Rd4+=) 10.b5 cb5 11.cd5 a6 12.d4 Bb7 13.e4=.

8.Qc2 Re8 A) 9.0–0 Bb7 (9...c5 10.a3 a5 11.Rfb1 ab4 12.ab4 Ra1 13.Ra1=; 9...c6 10.d4 Qc7 11.Rfd1 a6 12.a3 ed4 13.Rd4+=; 9...a5 10.b5 Bb7 11.d4 ed4 12.Nd4 Nc5 13.Nf5+=; 9...a6 10.d4 Bb7 11.a3 a5 12.Rfd1 ed4 13.Nd4+=) 10.e4 c6 11.a3 d5 12.cd5 cd5 13.ed5=; B) 9.e4 c5 (9...c6 10.0–0 d5 11.ed5 cd5 12.d4 Bb4 13.Ne5=; 9...a6 10.0–0 c5 11.b5 Nh5 12.ba6 Nf4 13.Rfb1=; 9...a5 10.b5 Nc5 11.0–0 Qd7 12.Ba3 Ne6 13.Bc1=; 9...Nh5 10.0–0 Nf4 11.d4 ed4 12.Nd4 Ne5 13.Nd5=) 10.b5 Nh5 11.0–0 Nf4 12.Rfe1 Nf6 13.d3=; C) 9.b5 Bb7 (9...a6 10.0–0 Bb7 11.d4 ab5 12.cb5 e4 13.Nd2=; 9...c6 10.bc6 Nb8 11.Qa4 Na6 12.d4 ed4 13.ed4+/–; 9...c5 10.bc6 Nb8 11.Qa4 Na6 12.d4 ed4 13.ed4+/–; 9...a5 10.d4 Bb7 11.0–0 ed4 12.Nd4 Nc5 13.Nf5+=; 9...Nc5 10.0–0 a6 11.d4 ed4 12.Nd4 Bb7 13.Nf5=; 9...h6 10.0–0 a6 11.d4 Bb7 12.de5 de5 13.Rfd1+=) 10.0–0 a6 11.d4 ab5 12.cb5 e4 13.Ng5=; D) 9.d3 a5 (9...Bb7 10.0–0 a6 11.a3 c5 12.b5 ab5 13.Nb5=; 9...d5 10.b5 dc4 11.dc4 Bb7 12.0–0 c6 13.Rfd1=; 9...c6 10.0–0 Qc7 11.d4 ed4 12.Nd4 Ne5 13.b5=; 9...a6 10.0–0 c5 11.a3 Bb7 12.b5 ab5 13.Nb5=; 9...c5 10.bc5 dc5 11.0–0 Bb7 12.Rfd1 Qc7 13.a4=; 9...Rf8 10.0–0 a5 11.ba5 Ra5 12.d4 Re8 13.c5=; 9...Nf8 10.0–0 Ne6 11.Rfd1 c5 12.a3 Bb7 13.bc5=; 9...Rb8 10.0–0 Bb7 11.a3 a5 12.e4 h6 13.b5=; 9...Ba6 10.0–0 Bb7 11.a3 a6 12.d4 a5 13.Rfd1+=) 10.ba5 Ra5 11.0–0 Bb7 12.Rfb1 Qa8 13.e4=; E) 9.a3 a6 (9...c5 10.0–0 a6 11.e4 Ra7 12.Rfb1 Bb7 13.d3=; 9...Bb7 10.0–0 c5 11.Qf5 Bc8 12.Ng5 Nf8 13.Qf3=; 9...c6 10.d4 c5 11.0–0 Bb7 12.d5 Bc8 13.Bd3+=; 9...a5 10.0–0 Bb7 11.d4 ed4 12.Nd4 c5 13.bc5+=; 9...Rb8 10.0–0 a6 11.d4 c6 12.de5 Ne5 13.Ne5+=; 9...Nf8 10.d4 ed4 11.Nd4 Bb7 12.0–0 Ne6 13.Nf5+=; 9...Nb8 10.d4 ed4 11.Nd4 c5 12.Nf5 Nc6 13.Bf3+=) 10.0–0 c5 11.e4 Bb7 12.Rfb1 Rc8 13.d3=.

8.Qc2 h6 A) 9.a3 a5 (9...Re8 10.0–0 Bb7 11.d4 ed4 12.Nd4 a5 13.Rfd1+=; 9...Bb7 10.0–0 Re8 11.d4 ed4 12.Nd4 a5 13.Rfd1+=; 9...c5 10.0–0 Re8 11.e4 a6 12.Qd3 Ra7 13.Rab1=; 9...a6 10.d4 c5 11.bc5 bc5 12.de5 de5 13.0–0+=; 9...c6 10.d4 Re8 11.0–0 Qc7 12.Rfd1 a6 13.Rab1+=; 9...Rb8 10.0–0 c5 11.d4 cd4 12.ed4 a6 13.Rfe1+=; 9...Qe8 10.0–0 Bb7 11.d4 a6 12.Rfd1 ed4 13.ed4+=) 10.0–0 c5 11.b5 Bb7 12.d3 Ra7 13.Rfd1=; B) 9.d3 Bb7 (9...c5 10.b5 a6 11.Nd2 Bb7 12.Bf3 Qc8 13.ba6+=; 9...Re8 10.0–0 c5 11.b5 Bb7 12.Rfb1 a6 13.ba6=; 9...c6 10.0–0 c5 11.a3 Re8 12.Nd2 Bb7 13.e4=; 9...a6 10.0–0 c5 11.a3 Re8 12.Nd2 Bb7 13.e4=; 9...a5 10.b5 Bb7 11.0–0 Re8 12.e4 Nc5 13.Nd5+=; 9...d5 10.b5 dc4 11.dc4 a6 12.Rd1 Bd6 13.e4=; 9...Qe8 10.0–0 Bb7 11.d4 ed4 12.ed4 d5 13.c5+=; 9...Rb8 10.0–0 a6 11.b5 Bb7 12.d4 ab5 13.cb5+=; 9...Ba6 10.0–0 Bb7 11.d4 ed4 12.Nd4 c5 13.bc5+=) 10.0–0 c5 11.bc5 dc5 12.Rfd1 Re8 13.a4=; C) 9.b5 a6 (9...Bb7 10.0–0 a6 11.d4 ab5 12.cb5 e4 13.Nd2=; 9...Re8 10.0–0 Bb7 11.d4 ed4 12.Nd4 a6 13.ba6+=) 10.0–0 Bb7 11.d4 ab5 12.cb5 e4 13.Nd2=; D) 9.e4 a6 (9...c5 10.a3 Nh5 11.Nd5 Ndf6 12.Nf6 Nf6 13.0–0=; 9...Bb7 10.0–0 c5 11.a3 a6 12.Rfb1 Qc7 13.b5=; 9...a5 10.b5 Nc5 11.d4 ed4 12.Nd4 Qd7 13.0–0+=; 9...Re8 10.0–0 c5 11.a3 a6 12.Rfb1 Qc7 13.Nd5=; 9...c6 10.0–0 c5 11.a3 a6 12.Qd3 Bb7 13.Rfe1=; 9...Kh7 10.d4 c5 11.bc5 bc5 12.de5 de5 13.Rd1+=; 9...Kh8 10.0–0 c5 11.a3 Qc7 12.Nh4 cb4 13.ab4+=) 10.0–0 c5 11.bc5 dc5 12.Qd3 Qc7 13.a3=; E) 9.0–0 c5 (9...Bb7 10.d4 ed4 11.Nd4 c5 12.bc5 dc5 13.Nf5+/–; 9...Re8 10.d4 Bb7 11.a3 c5 12.bc5 bc5 13.de5+=; 9...a6 10.d4 Bb7 11.a3 ed4 12.Nd4 Re8 13.e4+=; 9...a5 10.b5 Re8 11.d4 ed4 12.Nd4 Bb7 13.Rad1+=; 9...c6 10.d4 Qc7 11.Rfd1 Re8 12.e4 Qb7 13.a3+=) 10.a3 Re8 11.d4 cd4 12.ed4 Qc7 13.Rfe1+=.

8.Qc2 Kh8 A) 9.a3 a6 (9...Bb7 10.0–0 c5 11.d4 a6 12.d5 Qc8 13.Rfb1+=; 9...Re8 10.0–0 c6 11.d4 Qc7 12.Bd3 ed4 13.ed4+=; 9...a5 10.0–0 Bb7 11.d4 ed4 12.Nd4 Ne5 13.e4+=; 9...c5 10.0–0 a6 11.d4 ed4 12.ed4 Qc7 13.Rfe1+=; 9...Kg8 10.0–0 Bb7 11.d4 Re8 12.Rfd1 ed4 13.Rd4+=; 9...c6 10.d4 Qc7 11.0–0 Re8 12.Bd3 ed4 13.ed4+=; 9...Rb8 10.0–0 Bb7 11.d4 a5 12.Rfd1 Qe8 13.b5+/–; 9...Rg8 10.0–0 Bb7 11.d4 a5 12.b5 Re8 13.de5+=; 9...Qe8 10.0–0 Bb7 11.d4 a6 12.Rfd1 ed4 13.ed4+=) 10.d4 c5 11.bc5 bc5 12.de5 de5 13.0–0+= ; B) 9.0–0 c5 (9...Bb7 10.d4 a5 11.b5 Re8 12.de5 de5 13.Rfd1+= ; 9...a6 10.d4 Bb7 11.a3 ed4 12.Nd4 Ne5 13.e4+= ) 10.b5 a6 11.ba6 Ba6 12.Rfb1 Bb7 13.Qf5+=; C) 9.b5 c6 (9...Bb7 10.0–0 a6 11.d4 ab5 12.cb5 ed4 13.Nd4+=; 9...a6 10.0–0 Bb7 11.d4 ab5 12.cb5 e4 13.Nd2+=; 9...c5 10.bc6 Nb8 11.Qa4 Qe8 12.Ng5 Nc6 13.Nd5=; 9...Kg8 10.0–0 Bb7 11.d4 a6 12.de5 Ne5 13.Ne5+=) 10.bc6 Nb8 11.Qa4 Qe8 12.Ng5 Nc6 13.Nd5=; D) 9.e4 c6 (9...a5 10.b5 Nc5 11.d4 ed4 12.Nd4 Bb7 13.f3+= ; 9...Kg8 10.0–0 c5 11.a3 a6 12.Rfb1 Qc7 13.b5=; 9...a6 10.0–0 c5 11.bc5 dc5 12.Rfb1 Qc7 13.Nd5=; 9...Bb7 10.0–0 c5 11.bc5 Nc5 12.d3 Kg8 13.Rad1=; 9...Re8 10.0–0 a5 11.b5 Nc5 12.d4 ed4 13.Nd4=; 9...c5 10.b5 a6 11.ba6 Nb8 12.0–0 Ra6 13.Rfb1=; 9...Qe8 10.0–0 c5 11.bc5 bc5 12.Rab1 Rb8 13.Ne1+=; 9...h6 10.d4 c5 11.bc5 ed4 12.cd6 dc3 13.Ba3+=; 9...Ba6 10.d4 c5 11.de5 Ne5 12.b5 Bc8 13.0–0+=) 10.0–0 c5 11.a3 Bb7 12.b5 a6 13.d3=; E) 9.d3 c5 (9...c6 10.0–0 d5 11.b5 cb5 12.cd5 Qc7 13.Rac1+=; 9...Bb7 10.0–0 c5 11.a3 a6 12.Rfb1 Qb8 13.e4+=; 9...a6 10.0–0 Bb7 11.d4 a5 12.b5 Re8 13.de5+=; 9...Kg8 10.0–0 c5 11.a3 Re8 12.Ne4 Bb7 13.Nf6=; 9...Re8 10.Ng5 Kg8 11.Bf3 Rb8 12.0–0 a5 13.b5+=; 9...Ba6 10.0–0 Bb7 11.d4 a5 12.b5 Re8 13.de5+=; 9...d5 10.b5 dc4 11.dc4 a6 12.0–0 Bd6 13.Rfd1+=; 9...a5 10.b5 Nc5 11.0–0 Bg4 12.d4 ed4 13.Nd4+=; 9...Qe8 10.0–0 Bb7 11.d4 ed4 12.ed4 d5 13.c5+=) 10.bc5 dc5 11.0–0 Bb7 12.Rad1 Re8 13.Rfe1= ; F) 9.Rb1 c5 (9...Bb7 10.0–0 c5 11.a3 cb4 12.ab4 a5 13.ba5=; 9...Kg8 10.0–0 c5 11.b5 Bb7 12.Qf5 a6 13.ba6=; 9...a5 10.b5 Re8 11.0–0 Bb7 12.d4 Kg8 13.de5+=; 9...a6 10.d4 ed4 11.Nd4 Bb7 12.0–0 a5 13.b5+=) 10.b5 a6 11.ba6 Ba6 12.Qf5 Bc8 13.0–0=; G) 9.Ng5 c6 (9...a5 10.b5 Ra7 11.0–0 h6 12.Nge4 Bb7 13.f4=; 9...h6 10.Nge4 c6 11.b5 cb5 12.Nb5 Ne4 13.Qe4=; 9...Bb7 10.0–0 h6 11.Nge4 Ne4 12.Ne4 c5 13.b5=; 9...c5 10.b5 Bb7 11.0–0 h6 12.Nh3 a6 13.ba6=; 9...a6 10.Bh5 g6 11.Bf3 Rb8 12.0–0 Kg7 13.b5+=; 9...Kg8 10.Bf3 Rb8 11.0–0 a6 12.Bc6 h6 13.Nf3+=) 10.Bh5 g6 11.Bf3 Bb7 12.b5 Rc8 13.0–0=; H) 9.d4 ed4 (9...Bb7 10.0–0 ed4 11.Nd4 a5 12.b5 Nc5 13.Nf5+= ; 9...c5 10.bc5 bc5 11.de5 de5 12.0–0 Qc7 13.Rfd1+= ) 10.Nd4 Bb7 11.0–0 c5 12.bc5 Nc5 13.Rad1+=.

8.d4 c5? 9.de5 Ne5 (9...cb4??) 10.Ne5 de5 11.Bf3 Rb8 12.b5+/–. Otto – Kur, corr, 1974.

8.d4 c6 9.0–0 Bb7 (9...e4 10.Nd2 d5 11.Qa4=) 10.h3 (10.Bd3 c5 11.bc5 bc5+=) 10...e4= 11.Nd2 d5 12.b5 (12.Qa4 a5 13.b5 cb5 14.Nb5 dc4 15.Bc4 Rc8=) 12...Nb8 (12...dc4!? 13.a4 c5=) 13.bc6 Bc6 14.cd5 Bd5 15.Qb1 Will e4 fall? 15...Bb7 (15...Nc6 16.Nde4 Ne4 17.Ne4+/–) 16.Nde4+/– White gets the initiative 16...Na6 (16...Ne4 17.Ne4 f5 18.Ng3+/–) 17.Nf6 Bf6 18.Bd3 g6 19.Ba3 Re8 20.Bb5 Re6 21.Bc4 Rc6 22.Qb3 Rc7 23.Nd5 Rd7 24.Nf6 Qf6 25.Qa4 Nb8 26.d5 (26.Rfe1 Be4+–) 26...Rd8? (26...Bd5 27.Bd5 b5+–) 27.e4 Nd7 28.Rab1 Ne5 29.Be2 a6 (29...Qf4 30.Bc1 Qh4 31.f4+–) 30.Bb2 Qd6 31.Qd4 f6 32.Bc3 b5 33.f4 Nd7 34.Bg4 Kg7 35.a4 Rac8 (35...Qe7 36.ab5 ab5 37.Rb5+–) 36.ab5 ab5 (36...Qc7 37.Rb3 Qd6 38.Bb4+–) 37.Bd7 (37.Rb5 Ba6 38.e5 Qe7 39.ef6 Nf6 40.Qf6 Qf6 41.Bf6 Kf6 42.Rb6 Kf7 43.Ra6 Ra8 44.Ra8 Ra8+–) 37...Rd7 38.Rb5 Qe7 (38...Bc6 39.e5 (39.dc6?! Qd4 40.Bd4 Rd4+–) 39...Qf8 40.ef6 (40.dc6?! Rd4 41.Rb7 Kh6 42.Bd4 Rc6+/–) 40...Kf7 41.Qe5+– (41.dc6?! Rd4 42.Rb7 Kf6 43.Bd4 Kf5+–)) 39.Rb6 Qc5 (39...Kg8 40.Rf6 Qa3 41.Bb2+–) 40.Qc5 Rc5 41.Bf6 Kf7 42.Rfb1 Bc8 43.Be5 (43.Kf2 h6+–) 43...Rc4 44.Rc6 (44.Rc6 Rc6 45.dc6+–) 1–0. Cantin,L – Stark,HW, Canadian op, 1989.

7.Nc3 c5

8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 Nb6 12.0–0 Be6 13.d3 Qa8 (13...Qc7!?=) 14.Qc1+= Na4 15.Na4 Qa4 16.Qc3 Qa7 17.Ra1 Qb6 18.h3 h6 19.Nd2 Nh7 (19...Rd8 20.Qa5 Qa5 21.Ra5+=) 20.Qa5+/– Bd8 21.Qa7 Ng5 (21...f5 22.f4 ef4 23.ef4 Qa7 24.Ra7+/–) 22.h4 Nh7 23.Bf3 Qa7 24.Ra7 b6 25.Ne4 d5 26.cd5 Bd5 27.g3 f5 (27...Re8!? 28.Bg2 Re7 29.Re7 Be7 30.Be5+–) 28.Ng5+– Bf3 29.Nf3 e4? (better is 29...Bf6 30.Ne5 Re8+–) 30.Rg7 Kh8 31.de4 fe4 (31...Bf6 32.Bf6 Rf6 33.Rb7 fe4 34.Nd2+–) 32.Rb7 Bf6 (32...Kg8 33.Ne5 Bf6 34.Rb6+–) 33.Ne5 Kg8 (33...Ra8 34.Nf7 Kg7 35.Nd6 Kg8 36.Bf6 Nf6 37.Rb6+–) 34.Rb6 Be5 (34...Ra8 35.Ra6 Rd8 36.b6 Rd1 37.Kg2+–) 35.Be5 Rc8 (35...Rf5 36.Bc3 Nf8 37.Rh6+–) 36.Rb7 Nf8 (36...Re8 37.Bc3 Re6 38.Rg7 Kf8 39.Rh7 Rb6+–) 37.Rg7 Kh8 38.b6 1–0. fryckh – jaqufe, internet, 2017.

8.b5 a6 9.a4 b6 10.0–0 Re8 11.d3 ab5 12.ab5=.

8.b5 a6 9.d3 Qa5 10.0–0 Re8 11.Qb3 Nb6 12.Rfb1=.

8.b5 Nb6 9.0–0 A) 9...a6 10.a4 (10.d4 ab5 11.de5 de5 12.Ne5 bc4 13.Nc4 Nc4= ; 10.ba6 ba6 11.d4 cd4 12.ed4 Qc7 13.Re1 Rd8= ; 10.d3 ab5 11.Nb5 Na4 12.Bc1 e4 13.Nd2 d5=; 10.e4 ab5 11.cb5 Be6 12.Ng5 d5 13.ed5 Bd5+=; 10.Qc2 ab5 11.cb5 Qc7 12.e4 Bg4 13.Rfc1 Nfd7=) 10...ab5 11.ab5 Ra1 12.Ba1 Qc7 13.d3 Bg4=; B) 9...Re8 10.a4 (10.Qc2 Bg4 11.a4 a5 12.d3 Qd7 13.h3 Be6=; 10.d3 a6 11.a4 ab5 12.Nb5 Bd7 13.Qb3 Bc6=; 10.Re1 Bg4 11.d3 a6 12.a4 ab5 13.Nb5 Ra6=; 10.e4 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Nh5=; 10.Rb1 a6 11.ba6 Ra6 12.Qb3 e4 13.Ng5 Bf5=; 10.Qb3 Bf5 11.a4 e4 12.Ne1 d5 13.cd5 Nfd5=; 10.a3 a6 11.ba6 Ra6 12.d3 Bd7 13.Rb1 Bc6=; 10.Qe1 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Qc7= ; 10.h3 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Qc7= ) 10...a5 11.d3 Qc7 12.Qc2 Bg4 13.h3 Bd7=; C) 9...Qc7 10.Qe1 (10.d3 Re8 11.a4 a5 12.Rc1 Rb8 13.Nd2 Be6= ; 10.Qc2 Bg4 11.d3 Rfe8 12.a4 a5 13.ba6 Ra6= ; 10.a3 Re8 11.d3 a6 12.a4 a5 13.Qc2 Rb8=; 10.Qb3 a5 11.a4 Bg4 12.d3 Rad8 13.Rac1 Rfe8=; 10.Re1 Bf5 11.d3 Rfe8 12.e4 Bg4 13.a4 a5=; 10.Rb1 Bf5 11.d3 a6 12.ba6 Ra6 13.Nd2 Be6=; 10.h3 h6 11.d3 Be6 12.a4 a5 13.Qc2 Qd7=; 10.d4 cd4 11.ed4 Be6 12.de5 de5 13.Nd5 Bd5=; 10.a4 a5 11.d3 Rd8 12.Rc1 Re8 13.Ng5 h6= ) 10...Bf5 11.d3 Rfe8 12.Nd2 Be6 13.a4 d5+=; D) 9...Bf5 10.d3 (10.d4 cd4 11.ed4 Qc7 12.de5 de5 13.Nd5 Nfd5= ; 10.Qb3 e4 11.Ne1 d5 12.cd5 Nfd5 13.Nd5 Qd5= ) 10...a6 11.a4 ab5 12.Nb5 Nbd7 13.Nd2 Ra6=; E) 9...Be6 10.d3 (10.Qb3 a5 11.Ng5 a4 12.Qc2 a3 13.Ne6 fe6= ) 10...a6 11.ba6 Ra6 12.a4 Ra5 13.Qb3 Bf5=; F) 9...Qd7 10.d4 (10.d3 a6 11.a4 a5 12.d4 cd4 13.ed4 Qc7+= ; 10.a4 e4 11.Ne4 Ne4 12.d3 Nf6 13.a5 Nbd5=; 10.Qc2 Qf5 11.Qf5 Bf5 12.d3 a6 13.ba6 Ra6=; 10.Qb1 Qc7 11.a4 a5 12.Ng5 h6 13.Nge4 Be6=; 10.e4 Nh5 11.d3 Nf4 12.a4 Qg4 13.Ne1 Qg5=; 10.a3 e4 11.Ne1 d5 12.cd5 Nbd5 13.Qc2 Nc3=; 10.Rb1 e4 11.Ne1 Qe6 12.d3 Rd8 13.Qb3 ed3=) 10...cd4 11.ed4 Rd8 12.Rc1 Qc7 13.Qd3 Bg4+=; G) 9...Bd7 10.d4 (10.a4 a5 11.d4 cd4 12.ed4 ed4 13.Qd4 Be6= ; 10.d3 a6 11.a4 ab5 12.Nb5 Bc6 13.a5 Nc8=; 10.Qc2 Bg4 11.d3 a6 12.a4 ab5 13.ab5 Qd7=; 10.Qb3 Bg4 11.d3 a6 12.a4 ab5 13.ab5 Qc7=; 10.Rb1 a6 11.ba6 Ra6 12.Qb3 Na4 13.d4 cd4=; 10.a3 Bf5 11.d3 a6 12.a4 ab5 13.Nb5 Nbd7=; 10.Re1 Bg4 11.d3 a6 12.a4 ab5 13.Nb5 Nbd7=; 10.Rc1 a6 11.ba6 Ra6 12.d4 Na4 13.Qc2 Nb2= ; 10.Qb1 a6 11.ba6 ba6 12.Qc2 Rb8 13.Rfb1 Bg4= ) 10...cd4 11.ed4 e4 12.Nd2 Bf5 13.a4 a5+=; H) 9...Rb8 10.d4 (10.d3 Re8 11.Qc2 Bg4 12.h3 Bf5 13.Nd2 Be6= ; 10.a3 Re8 11.d3 Qc7 12.a4 a5 13.Qd2 Ra8=; 10.a4 a5 11.d4 Qc7 12.de5 de5 13.Nd5 Nbd5=; 10.Qc2 Bg4 11.Ng5 Be2 12.Ne2 h6 13.Ne4 d5=; 10.Re1 Be6 11.d3 a6 12.Qb3 Qc7 13.Rf1 Bg4=; 10.Qb3 Bg4 11.d3 Qc7 12.a4 a5 13.Nd2 Be2=; 10.Rb1 a6 11.d4 Bf5 12.Rc1 ab5 13.de5 de5= ; 10.Rc1 Bg4 11.d3 a6 12.Qb3 Re8 13.Nd2 Be6= ; 10.Qe1 Qc7 11.d3 Bg4 12.a4 a5 13.Nd2 Be6=) 10...cd4 11.ed4 e4 12.Nd2 Bf5 13.a4 a5=; I) 9...e4 10.Ng5 Be6 11.Qb3 d5 12.cd5 Bf5 13.Qc2 c4+=; J) 9...Bg4 10.Rb1 (10.Qc2 Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bc6 Na5= ; 10.d3 a6 11.a4 ab5 12.Nb5 Nbd7 13.Bc3 Ra6= ) 10...Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bc6 Nb2=.

8.b5 Nb6 9.Rb1 A) 9...Bf5 10.d3 Re8 11.0–0 a6 12.ba6 Ra6 13.Nd2 Qc7=; B) 9...e4 10.Ng5 Be6 11.Qb3 Bf5 12.Qc2 d5 13.cd5 Bg6+=; C) 9...Bg4 10.a4 (10.0–0 Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bc6 a6= ; 10.h3 Be6 11.d3 Rc8 12.0–0 e4 13.Nd2 ed3= ; 10.a3 a6 11.d3 ab5 12.Nb5 Na4 13.Bc1 Re8=; 10.Ba1 a6 11.0–0 Re8 12.d3 ab5 13.Rb5 Ra6=; 10.d3 Qd7 11.h3 Be6 12.a4 a5 13.0–0 Rae8=; 10.Qc2 Bf3 11.Bf3 Nc4 12.Bb7 Rb8 13.Bc6 Na5=) 10...e4 11.Ng5 Be2 12.Qe2 d5 13.cd5 Nfd5+=; D) 9...Re8 10.Qc2 (10.d3 a6 11.ba6 Ra6 12.0–0 Bg4 13.Qb3 Qd7= ; 10.0–0 a6 11.ba6 Ra6 12.Qb3 Bg4 13.d3 Qd7= ; 10.a3 a6 11.ba6 Ra6 12.d3 Bg4 13.Qb3 Qd7=; 10.a4 Be6 11.d3 e4 12.Ne4 Ne4 13.de4 Nc4=; 10.e4 Rf8 11.0–0 a6 12.ba6 Ra6 13.d3 Bd7=; 10.h3 Be6 11.d3 e4 12.de4 Nc4 13.0–0 Nb2=) 10...Be6 11.d3 Qc7 12.a4 Reb8 13.0–0 h6= ; E) 9...Be6 10.d3 e4 11.de4 Nc4 12.Ba1 Ne5 13.Ng5 Bd7=; F) 9...Qc7 10.a4 (10.d3 Bg4 11.0–0 Rfd8 12.h3 Bf5 13.e4 Bd7= ; 10.0–0 a6 11.d3 Bd7 12.a3 ab5 13.Nb5 Bb5= ; 10.Qc2 Bg4 11.d3 Rfe8 12.a4 a5 13.h3 Be6=; 10.a3 Bg4 11.d3 Bf5 12.0–0 Rad8 13.Nd2 Be6+=; 10.e4 Be6 11.d3 a6 12.Qb3 ab5 13.Nb5 Qc6=; 10.Qb3 a5 11.d3 Bg4 12.Qc2 Bf5 13.e4 Bd7=; 10.h3 a6 11.d3 Bd7 12.Qb3 a5 13.0–0 a4= ) 10...Rd8 11.a5 Nbd7 12.Qa4 Re8 13.0–0 b6+= ; G) 9...Qd7 10.0–0 (10.d3 a6 11.Qb3 Qf5 12.ba6 Ra6 13.0–0 Qg6= ; 10.e4 Nh5 11.0–0 Nf4 12.d3 Qg4 13.Ne1 Ne2+= ; 10.d4 ed4 11.ed4 Qe6 12.Ng5 Qf5 13.Nf3 d5=) 10...e4 11.Ne1 Qe6 12.d3 Rd8 13.Qb3 ed3=; H) 9...Bd7 10.a4 (10.0–0 a6 11.ba6 Ra6 12.Qb3 Na4 13.d4 cd4= ; 10.Qc2 a6 11.ba6 Ra6 12.0–0 Qc7 13.d4 cd4= ; 10.d3 a6 11.ba6 Ra6 12.Qb3 Na4 13.0–0 Re8=; 10.a3 Bg4 11.d3 Re8 12.0–0 a6 13.ba6 Ra6=; 10.Qb3 Bf5 11.d3 Re8 12.0–0 a6 13.e4 Bd7=; 10.h3 a6 11.ba6 Ra6 12.0–0 Na4 13.Qc2 Bc6+=) 10...Bf5 11.d3 a6 12.e4 Be6 13.a5 Nc8=; I) 9...Rb8 10.Ra1 (10.0–0 Re8 11.d3 a6 12.Qb3 Ra8 13.ba6 ba6= ; 10.a3 Be6 11.d3 Nfd7 12.a4 a5 13.ba6 ba6= ; 10.Qc2 Bg4 11.d3 a6 12.0–0 ab5 13.Nb5 Ra8=; 10.Qb3 Re8 11.d3 Bg4 12.Nd2 Be6 13.Qa3 Ra8=; 10.a4 Be6 11.d3 e4 12.Ne4 Ne4 13.de4 Nc4=; 10.h3 Be6 11.d3 a6 12.0–0 ab5 13.Nb5 Ra8=; 10.e4 Be6 11.d3 Nfd7 12.0–0 f5 13.Nd5 Nf6=; 10.Rc1 a6 11.0–0 ab5 12.cb5 Ra8 13.Qc2 Be6= ; 10.d3 Re8 11.0–0 a6 12.Qb3 Ra8 13.a3 Bg4= ) 10...Be6 11.d3 Bf5 12.0–0 a6 13.a4 Ra8=; J) 9...a6 10.ba6 Ra6 11.d3 Bd7 12.0–0 Na4 13.Na4 Ra4=.

8.b5 Nb6 9.d3 A) 9...Re8 10.a4 (10.0–0 a6 11.a4 ab5 12.Nb5 Bd7 13.Qb3 Bc6= ; 10.Qc2 Bf5 11.a4 a5 12.0–0 Qc7 13.Nd2 Be6= ; 10.Qb3 a6 11.0–0 ab5 12.Nb5 Na4 13.Bc1 Bd7=; 10.Qd2 a6 11.ba6 ba6 12.0–0 Rb8 13.a4 Bf5=; 10.Rb1 a6 11.Qb3 ab5 12.Nb5 Na4 13.0–0 Bg4=; 10.a3 Bg4 11.a4 a5 12.0–0 Qc7 13.h3 Bf5=; 10.e4 a6 11.0–0 ab5 12.Nb5 Na4 13.Bc1 Bd7=) 10...a6 11.a5 Nbd7 12.b6 Nb8 13.0–0 Nc6+= ; B) 9...Bf5 10.0–0 (10.a4 a5 11.0–0 Qc7 12.Ng5 Bg6 13.Nge4 Ne4= ; 10.e4 Be6 11.0–0 a6 12.Ng5 ab5 13.Ne6 fe6= ; 10.Qb3 a5 11.0–0 a4 12.Qa3 Re8 13.e4 Bd7=; 10.Qd2 a6 11.0–0 ab5 12.Nb5 e4 13.de4 Ne4+=; 10.Rb1 a6 11.ba6 Ra6 12.0–0 Qa8 13.Qb3 Na4=; 10.a3 a6 11.0–0 ab5 12.Nb5 Na4 13.Qb3 Nb2=) 10...a6 11.a4 ab5 12.Nb5 Nbd7 13.Nd2 Bg6=; C) 9...Bg4 10.a4 (10.0–0 a6 11.a4 ab5 12.Nb5 Nbd7 13.Qd2 Nb8= ; 10.h3 Bf5 11.a4 a5 12.ba6 ba6 13.Rb1 Rb8= ; 10.Qd2 a6 11.0–0 ab5 12.Nb5 Na4 13.Rfb1 Nb2=; 10.Nd2 Be2 11.Ne2 a6 12.ba6 Ra6 13.0–0 Qd7=; 10.Qb3 a5 11.0–0 a4 12.Qc2 Qd7 13.a3 Rfe8=; 10.Qc2 Re8 11.0–0 a6 12.a4 ab5 13.ab5 Qd7=; 10.Rb1 Re8 11.0–0 a6 12.h3 Bd7 13.ba6 Ra6=; 10.Ng5 Bf5 11.0–0 d5 12.e4 de4 13.de4 Bg6=) 10...a5 11.ba6 ba6 12.Rb1 a5 13.0–0 Rb8= ; D) 9...Be6 10.0–0 (10.Ng5 Bf5 11.0–0 d5 12.e4 de4 13.de4 Bg6= ; 10.Qb3 a5 11.0–0 a4 12.Qa3 Qc7 13.Ng5 d5= ; 10.Qc2 a6 11.0–0 ab5 12.Nb5 Na4 13.Bc1 Re8=; 10.Qd2 a6 11.ba6 Ra6 12.0–0 Bg4 13.Rab1 Qd7=; 10.a4 e4 11.Ne4 Ne4 12.de4 Nc4 13.Bc3 Ne5=; 10.Rb1 e4 11.de4 Nc4 12.Ba1 Ne5 13.Ng5 Bd7=; 10.Qb1 a6 11.ba6 ba6 12.0–0 Rb8 13.Qc2 Qc7=; 10.Qc1 a6 11.ba6 Ra6 12.0–0 Re8 13.Qc2 Qd7= ) 10...a6 11.ba6 Ra6 12.Qb3 Re8 13.a4 Qc7=; E) 9...Qc7 10.e4 (10.a3 Rd8 11.0–0 Bg4 12.a4 a5 13.Rc1 Rab8= ; 10.Qd2 a5 11.0–0 a4 12.a3 Bf5 13.e4 Bg4= ; 10.Qc2 Bf5 11.e4 Bg4 12.0–0 a6 13.a4 ab5=; 10.a4 a5 11.0–0 Rd8 12.Qc2 Rb8 13.Ne4 Ne4=; 10.Qb3 a5 11.0–0 a4 12.Qa3 Re8 13.Rad1 Bg4=; 10.0–0 Re8 11.a4 a5 12.ba6 ba6 13.Rb1 Rb8=; 10.Rc1 a6 11.0–0 Re8 12.a4 ab5 13.Nb5 Qc6=; 10.Rb1 Re8 11.0–0 Bg4 12.a4 a5 13.Ng5 Bd7=; 10.Qc1 Bg4 11.0–0 Rae8 12.a4 a5 13.Qd2 Rd8= ) 10...Bg4 11.0–0 Rfe8 12.a4 Nbd7 13.Ng5 Be2+= ; F) 9...a5 10.a4 (10.a3 Re8 11.0–0 Qc7 12.Qc2 a4 13.Rad1 Bg4= ; 10.Na4 Re8 11.0–0 Qc7 12.Nb6 Qb6 13.a4 Qc7= ; 10.Qd2 Re8 11.a3 a4 12.Rd1 Bf5 13.0–0 Bg4=; 10.Rb1 a4 11.0–0 Qc7 12.a3 Re8 13.Qc2 Bd7=; 10.0–0 a4 11.a3 Qc7 12.Qc2 Re8 13.Rad1 Bg4=; 10.Qc2 a4 11.0–0 Bf5 12.Bc1 Qc7 13.e4 Bd7=; 10.Rc1 Bg4 11.0–0 a4 12.a3 Qd7 13.Ne4 Rfd8=; 10.Qc1 a4 11.0–0 Qc7 12.e4 Re8 13.a3 Rd8=; 10.Bc1 Qc7 11.0–0 d5 12.cd5 Nfd5 13.Nd5 Nd5= ) 10...Re8 11.0–0 Be6 12.Ng5 Bc8 13.Bf3 d5=; G) 9...Bd7 10.a4 (10.0–0 a6 11.a4 ab5 12.Nb5 Re8 13.Qb3 Bc6= ; 10.Qb3 a5 11.0–0 a4 12.Qa3 Re8 13.Nd2 d5= ; 10.Rb1 a6 11.ba6 Ra6 12.0–0 Na4 13.Na4 Ra4=; 10.Qd2 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Bf5=; 10.Qc2 a6 11.0–0 ab5 12.Nb5 Na4 13.Rfb1 Bb5=; 10.e4 a6 11.a4 Be6 12.a5 Nc8 13.b6 Nh5+=; 10.Qb1 a6 11.0–0 ab5 12.Nb5 Bc6 13.Qc2 Na4=) 10...a6 11.a5 Nc8 12.b6 Rb8 13.0–0 Re8+= ; H) 9...Rb8 10.a3 (10.Qb3 Bg4 11.0–0 Qc7 12.a4 a5 13.h3 Be6= ; 10.0–0 Re8 11.Ne4 Be6 12.Qc2 Ne4 13.de4 h6= ; 10.a4 a5 11.0–0 Re8 12.Ne4 Be6 13.Qc2 Ne4=; 10.Qd2 Bf5 11.0–0 Re8 12.a4 a5 13.e4 Bc8=; 10.Qc2 Bg4 11.0–0 Qd7 12.h3 Be6 13.Ng5 d5=; 10.Rb1 Bg4 11.0–0 Qc7 12.a4 a5 13.Nd2 Be2=; 10.Rc1 a6 11.0–0 ab5 12.Nb5 Ra8 13.Rb1 Re8=; 10.Qc1 Bg4 11.0–0 Qd7 12.h3 Bh5 13.Qd1 e4= ; 10.h3 Re8 11.0–0 a6 12.a4 a5 13.Ne4 Be6=) 10...a6 11.0–0 ab5 12.Nb5 Ra8 13.a4 Be6+=; I) 9...Qd7 10.0–0 (10.a4 a5 11.ba6 Ra6 12.0–0 Ra5 13.Qb3 Na8= ; 10.Na4 Na4 11.Qa4 Qf5 12.0–0 Re8 13.e4 Qg6= ; 10.Qd2 a6 11.ba6 ba6 12.0–0 Rb8 13.Rfb1 Qe6=; 10.a3 Qf5 11.0–0 Be6 12.a4 a5 13.ba6 ba6=; 10.Qb3 Qg4 11.0–0 Qg6 12.a4 a5 13.ba6 Ra6=) 10...Qf5 11.a4 a5 12.ba6 ba6 13.a5 Nbd7+=; J) 9...a6 10.ba6 (10.0–0 Re8 11.a4 ab5 12.Nb5 Bd7 13.Qb3 Bc6= ; 10.a4 ab5 11.ab5 Ra1 12.Qa1 Bf5 13.e4 Bd7= ; 10.Qb3 ab5 11.Nb5 Na4 12.Bc1 e4 13.Nd2 d5=; 10.Qd2 ab5 11.Nb5 Re8 12.0–0 Bf5 13.Rfb1 Na4=; 10.Qc2 Bf5 11.0–0 ab5 12.Nb5 Na4 13.Bc1 e4=; 10.Qc1 ab5 11.Nb5 Bg4 12.0–0 Na4 13.Rb1 Nb2=; 10.Qb1 ab5 11.Nb5 Bf5 12.e4 Be6 13.Qc2 Nh5=) 10...ba6 11.Rb1 Rb8 12.0–0 Re8 13.Qc2 Bb7=.

8.b5 Nb6 9.h3 a6 (9...Be6 10.d3 (10.Qb3 a6 11.0–0 ab5 12.Nb5 Na4 13.Nc3 Nb2+=) 10...a6 11.ba6 ba6 12.0–0 Rb8 13.Rb1 e4=; 9...Bf5 10.d3 (10.d4 cd4 11.ed4 Qc7 12.0–0 Nc4 13.Bc4 Qc4+=) 10...a6 11.ba6 Ra6 12.Rb1 e4 13.Ng5 d5=; 9...Re8 10.d3 (10.0–0 a6 11.ba6 Ra6 12.d4 ed4 13.ed4 Ra8=; 10.a4 Be6 11.d3 e4 12.Ne4 Ne4 13.a5 Bf6=; 10.Qc2 a6 11.ba6 Ra6 12.0–0 Qd7 13.d4 ed4=; 10.Rb1 Be6 11.d3 e4 12.de4 Nc4 13.0–0 Nb2=; 10.a3 Bf8 11.d3 d5 12.cd5 Nbd5 13.Ne4 Bd6=; 10.e4 a6 11.ba6 Ra6 12.0–0 Bd7 13.d3 Qa8=; 10.Qb3 a6 11.ba6 ba6 12.Qc2 Bd7 13.0–0 Be6=) 10...a6 11.a4 Bd7 12.a5 Nc8 13.b6 Rb8+=) 10.a4 (10.d3 ab5 11.Nb5 Na4 12.Bc1 e4 13.Nd2 d5+=; 10.ba6 ba6 11.0–0 Rb8 12.Qc2 Qc7 13.Rab1 Re8=; 10.0–0 e4 11.Ng5 ab5 12.Nb5 h6 13.Bf6 Bf6+=; 10.Qc2 ab5 11.cb5 Nfd5 12.0–0 Nb4 13.Qb1 Be6=) 10...Be6 11.d3 (11.Qb3 ab5 12.Qb5 Bd7 13.Qb3 Bc6+=) 11...h6 (11...e4 12.Nd2 ed3 13.Bd3+= d5+=) 12.Qd2 (12.a5 Nbd7 13.b6 Rc8+=) 12...d5 (12...ab5 13.ab5 Ra1 14.Ba1=) 13.cd5+= Nfd5 (13...Nbd5+=) 14.Ne5 Nc3 15.Qc3 Nd5 16.Qc1 (16.Nc6!? Nc3 17.Nd8 Rfd8 18.Bc3 ab5 19.ab5 Ra1 20.Ba1+=) 16...Qa5= 17.Kf1 ab5 18.ab5 Qb5 19.d4 Ra1 (19...Qb3 20.Ra8 Ra8 21.Bc4 Ne3 22.fe3 Bc4 23.Qc4 Qb2 24.Qf7 Kh8 25.Kg1–/+) 20.Qa1 (worse is 20.Bb5 Rc1 21.Bc1 Ra8–/+) 20...Qb6 21.dc5 Bc5 22.Nc4 Qa7 23.Bg7 Qa1 24.Ba1 Ra8 25.Bb2? (25.Be5 f6 26.Bb2–+) 25...Ra4?? (better is 25...Ra2 26.Be5 f6–+) 26.g4 (26.Ne5 b5+=) 26...b5 27.Ne5 Ra2 28.Nd3 Bd6 29.Kg2 (29.Bd4 b4 30.Bf3 Rd2=) 29...Nc3 (better is 29...Ne3!? 30.fe3 Bd5 31.Bf3 Bc4=) 30.Bf3 Na4 31.Bd4 b4 32.Rb1 Nc3 33.Re1 (33.Rb4 Bb4 34.Nb4 Ra3+/–) 33...Bc4 34.Nf4 Rc2 35.Nh5 Na2 36.Rd1 Rc1 37.Rd2 (better is 37.Nf6!? Kf8 38.Rc1 Nc1 39.Ne4+/–) 37...Bf1+= ½–½. Schiller – Zimmermann, corr FD'80/04/166, 1973.

8.b5 Re8 9.a4 (9.d3 a6 10.0–0 Qa5 11.Qb3 Nb6 12.Rfb1=; 9.Qc2 a6 10.0–0 ab5 11.Nb5 Nb6 12.d4=; 9.0–0 a6 10.d3 Qa5 11.Qb3 Nb6 12.Rfb1=; 9.e4 a6 10.ba6 ba6 11.0–0 Bb7 12.Qc2=; 9.Rb1 a6 10.ba6 ba6 11.d4 ed4 12.ed4=) 9...Qa5 10.0–0 h6 11.d3 Nf8 12.Ne4+=.

7.Nc3 c6

8.0–0 b6 9.a4 a5 (9...c5 10.b5=) 10.b5 c5 11.d3 Bb7 12.Nd2 Re8 13.Bf3 Qc7 14.Bb7 Qb7 15.Nde4 d5 16.Nf6 Nf6 17.cd5 Nd5 18.Qf3 Rad8 19.Rfd1 Qd7 20.Nd5 Qd5 21.Qd5 Rd5 22.e4 Rd7 23.Be5 Red8 24.Kf1 f6 25.Bf4 Bd6 (25...g5!? 26.Be3 Rd3 27.Rd3 Rd3=) 26.Bd6+= Rd6 27.Ke2 Kf7 28.Rac1 Rd4 29.Rc4 Ke6 30.f4 h5 (30...g5 31.g3+=) 31.g3 g6 32.Rd4 Rd4 33.Ra1 Kd6 (33...g5 34.Ke3+=) 34.Ke3+/– Ke6 35.Ra3 (35.h3 g5+=) 35...Kd6 (35...g5 36.h3+=) 36.h3 Ke6 37.g4 hg4 38.hg4 g5 39.Kf3 (39.fg5 fg5 40.Ra1 Kd6+=) 39...Rb4 (39...Kd6 40.Kg3=) 40.Ke3 Rb1 (40...Rd4!?=) 41.fg5+= fg5 42.Ra2 Rg1 43.Rh2 Rg3 44.Ke2 Rg4 (better is 44...Ke5!? 45.Rh6 c4 46.dc4 Re3 47.Kd2 Re4 48.Rb6 Rc4=) 45.Rh6+– Ke5 46.Rb6 c4 47.dc4 (47.Ra6!? cd3 48.Kd3 Rg3 49.Kc4 Ke4+–) 47...Re4+/– 48.Kd3 Rf4 (48...Rd4 49.Kc3 Rg4 50.Ra6 Rg3 51.Kd2+–) 49.Rg6 Rf3 50.Ke2 Rc3 (50...Ra3 51.Rg5 Kf6 52.Rc5+–) 51.Rg5 Kd4 (51...Kf4 52.Rc5 Rb3 53.Rh5+–) 52.Rg4 (better is 52.b6 Re3 53.Kf2 Re8+–) 52...Kc5 53.Rg8 Ra3 (53...Rb3 54.Ra8+–) 54.Rc8 (54.Rg5 Kc4 55.b6 Ra2 56.Ke3 Ra3 57.Kf2 Ra2 58.Kg3 Ra3 59.Kh4 Rd3+–) 54...Kb6 (54...Kd4 55.b6 Rb3 56.c5 Rb2 57.Kf3 Rb3 58.Kg4+–) 55.Rc6 (55.c5 Kb7 56.Rf8 Ra4 57.c6 Kb6 58.Rb8 Kc7 59.Rb7 Kc8+–) 55...Kb7 56.Ra6 Rc3 (56...Ra4 57.c5 Rc4 58.c6 Kc7 59.Ra7 Kd6 60.Ra5 Kc5+–) 57.Rc6 (57.Ra5!? Rc4 58.Ra6 Rb4+–) 57...Ra3 58.Kd2 (58.c5 Ra2 59.Kd3 Ra3 60.Kd4 Ra4 61.Kd5 Rb4+–) 58...Ra4 59.Kc3 Ra1 60.Kb2 (60.Ra6 Rc1 61.Kd4 Rd1 62.Kc5 Ra1+–) 60...Rg1 (better is 60...Ra4+–) 61.Ra6 Rg3 (61...Rg4 62.Kb3+– (62.Ra5?! Rc4 63.Kb3 Rc1+/–)) 62.Ra5 Rh3 (62...Rg5 63.Ra6+–) 63.Ra3 Rh1 (63...Rh5 64.Kc3+–) 64.Kc3 (64.c5 Kc7+–) 64...Rh4 (64...Rh5 65.Kb4+–) 65.c5 Rg4 (65...Rh3 66.Kb4 Rh4 67.Ka5+–) 66.Ra1 (66.Ra6 Rh4+–) 66...Rg3 67.Kb4 Rg4 68.Ka5 Rg8 (68...Rg2+–) 69.Rh1 Rg7 (69...Ra8 70.Kb4 Ra2 71.Rh7 Kc8 72.c6+–) 70.Rh6 1–0. Lein,Marina (2005) – Gumilevskaja,Galina (2035), Wch Seniors (Women), 2004.

8.0–0 b6 9.d4 a6 10.a4 Bb7 11.Qb3 Qc7 12.b5 ab5 13.ab5 c5 14.d5 Ra1 15.Ra1 Ra8 16.Ra8 Ba8 17.Qa4 Bb7 18.Qa7 Qb8 19.Qb8 Nb8 20.Bd3 g6 21.Nd2 Bc8 22.f3 Bf8 23.Kf2 Bh6 24.Nde4 Ne4 25.Be4 (25.Ne4 Bf8+/–) 25...Bf5 (25...f5 26.Bc2+=) 26.g4 Be4 27.Ne4 (27.fe4?! Bg5+=) 27...Bf8 28.f4 Kg7?? (better is 28...Nd7+/–) 29.fe5+– Kg8 (29...Kh6 30.e6 fe6 31.de6+–) 30.Nf6 Kg7 31.e6 Kh6 (31...fe6 32.de6 Be7 33.Nd7 Kg8 34.Nb8 Bh4 35.Kf3 Kf8+–) 32.Ng8 Kg5 33.Kg3 h5 (33...fe6 34.h4) 34.h4 1–0. Fournier,Frederic (1810) – duderfm (1755), rated blitz game, 2002.

8.0–0 Qc7 9.Rc1 a5 10.b5 h6 11.Qc2 Re8 12.d4 Bf8 13.Rfd1 Rb8 14.Bf1 Ra8 15.g3 Nb6 16.Ne4 Ne4 17.Qe4 f5 18.Qc2 e4 19.Ne1 Nd7 20.Ng2 Nf6 21.Qe2 Qf7 22.a4 Bd7 23.Bc3 g5 24.bc6 Bc6 25.Ra1 d5 26.c5 Be7 27.Rdb1 Bd8 28.Qd1 Bc7 29.Bd2 Ng4 30.Be2 Qd7 31.Bb5 Reb8 32.Ra2 Qe8 33.h3 Nf6 34.Rab2 Qc8 35.Kh2 Kg7 36.Rb3 Qe8 37.R1b2 Nd7 38.Qe2 Kf6 39.Bc6 bc6 40.Rb7 Qc8 41.Rb8 Rb8 42.Rb8 Nb8 43.Qh5 Kg7 44.h4 Qd8 45.hg5 hg5 46.Kg1 Qh8? 47.Qg5+– Kf7 48.Qf5 Ke7 49.Nh4 Qf6 50.Qc8 (50.Qc8 Nd7 51.Qc7+–) 1–0. Heinzel,Peter (2080) – Doerre,Alexander, Dortmund GER, Sparkassen Open, 2012.

8.0–0 Qc7 9.Qc2 d5 10.a3 e4 (10...a5 11.b5=) 11.Nd4 Ne5 (11...Bd6 12.cd5 cd5 13.Ndb5 Bh2 14.Kh1=) 12.cd5+= cd5 (12...Neg4 13.g3 cd5 14.Rac1+=) 13.f4 (13.Ne4 Qc2 14.Nf6 Bf6 15.Nc2 Be6+/–) 13...ef3 14.Nf3 Bg4 (14...Nf3 15.Bf3 Bd6 16.Rac1+=) 15.Rac1+= Rac8 (15...Bd6 16.Ne5 Be5 17.Bg4 Ng4 18.Nd5 Bh2 19.Kh1+=) 16.Qb1 (better is 16.Nd5 Qd8 17.Ne7 Qe7 18.Qd1 (18.Be5?! Rc2 19.Rc2 Nd5+=) 18...Rc1 19.Qc1+/–) 16...Nc4? (16...Nf3 17.gf3 Bh3 18.Nd5+=) 17.Bc4?? (17.Nd5 Nd5 18.Rc4 (18.Bc4?! Qd6+–) 18...Qc4 19.Bc4 Rc4 20.Ne5+–) 17...dc4= (worse is 17...Qc4 18.Ng5 h6 19.Nce4 Ne4 20.Rc4 Rc4 21.Ne4 de4 22.Bd4+/–) 18.Ng5 h6?? (18...Rfd8 19.Nb5 Qd7 20.Na7 Ra8 21.Bf6 Bf6 22.Qh7 Kf8 23.Rc4 Ra7 24.Rf6 gf6 25.Rg4 fg5 26.Qh6 Ke8 27.Re4 Qe6 28.Re6 fe6 29.Qe6 Kf8 30.Qf6 Ke8+–) 19.Nd5!!+– Do you see the mate threat? (19.Nd5 hg5 20.Nc7 Rc7 21.Be5+–) 1–0. Skaug,Thorbjorn – Johansen,Preben, NM Roros, 2002.

8.0–0 Qc7 9.d3 d5 10.cd5 cd5 11.a3 a6 12.Na4 b5 13.Rc1 Qb7 14.Nc5 Nc5 15.bc5 Qc6? (better is 15...e4!? 16.Ne5 Qc7+/–) 16.Ne5+– Qe6 17.Qb3 Bb7 18.c6 (18.c6 Bc8 19.Rc2+–) 1–0. b4_player – story, casual, 2013.

8.0–0= e4 9.Nd4 Ne5 10.f4 (10.d3 c5 11.Nc2 ed3 12.Bd3 Bg4+=) 10...Nd3 11.Ba3 c5 (11...d5 12.c5=) 12.Ne4 Nb4 13.Ng3 cd4 14.Bb4 de3 15.de3 d5 16.Bc3 dc4 (16...Re8 17.Bd4=) 17.Bc4 Bc5 18.Bd4 Bg4 19.Qd3 Bd4 20.ed4 (worse is 20.Qd4 Qd4 21.ed4 Rfd8–/+) 20...Qd6 21.h3 Be6 22.Be6 fe6 23.Rae1 Rae8 24.Ne4 Ne4 25.Re4 Rd8 Attacks the isolani on d4 (25...Rf5 26.Qe3=) 26.Qb3+= The isolani on e6 becomes a target 26...Qd5 27.Rfe1 b5 (27...Rf6 28.g3=) 28.g3+= Rd6 (28...a5 29.Qd5 Rd5 30.Kf2=) 29.Qd5 Rd5 30.Re6 ½–½. Luehrig,Walter – Zednik,Martin, Orang–Utan Invitational, 2002.

8.0–0 e4 9.Ng5 d5 10.cd5 cd5 11.a3 =.

8.0–0 Re8 9.d4 ed4 10.Nd4 Ne5 11.b5 d5 12.cd5 cd5 13.Qb3 Bg4 14.Rfd1 Qd6 15.Bg4 Nfg4 (15...Neg4 16.Nf3+/–) 16.h3 (16.Nd5 Bf8+–) 16...Bh4 17.hg4 Bf2 (17...Ng4 18.Kf1 Qh2 19.Nf5 Nf2 20.Rd4+/–) 18.Kf1 (18.Kf2!? Ng4 19.Ke1 Ne3 20.Nde2+–) 18...Ng4+/– 19.Nf5 (19.Nd5 Be3 20.Nf5 Bb6+/–) 19...Ne3 (better is 19...Qf6!? 20.Rd5 Ne3 21.Kf2 Nd5 22.Nd5 Qf5 23.Kg1 Qg5+=) 20.Ne3+/– Be3 21.Nd5 Qg3 22.Rd2!? Rad8? (22...Bd2 23.Qg3 Pinning (23.Qg3 Deflection)) 23.Re2 Bf4 (better is 23...Rd5 24.Qd5 Qh4 25.Re3 Re3+–) 24.Qg3 Bg3 25.Ne7 Kf8 26.Bg7! Kg7 27.Nf5 Kg6 28.Re8 Re8 29.Ng3 Re3 30.Kf2 Ra3 31.Ne2 Kf5 32.Rc1 Ra2 33.Rc7 b6 34.Rf7 Kg6 35.Rd7 h5 36.Ke3 Rb2 37.Rd6 Kf5 (37...Kf7 38.Rd5 h4 39.Rh5+–) 38.Rd5 (38.Nd4!? Kg5+–) 38...Kg4 39.g3 h4?! (39...Rb4+–) 40.Rd4 Kf5 41.Rh4 (41.gh4?! Rb5 42.Ng3 Ke5 43.Re4 Kd5+–) 41...Rb3 42.Kf2 Kg5 43.Nf4 Ra3 44.Rh7 Ra2 45.Kf3 Ra3 46.Kg2 Ra2 47.Kh3 Ra1 48.Rh5 Kf6 49.Kg4 a6 50.Rh6 Kg7 51.Rb6 ab5 52.Rb5 1–0. Roos,Thomas – Osieka,Udo (2205), RLPF–ch Speyer, 1986. (=1.e3 d6 2.b4 e5 3.Bb2 c6 4.c4 Nf6 5.Nc3 Nbd7 6.Nf3 Be7 7.Be2 0–0)

8.0–0 Re8 9.d4 e4 10.Ng5 d5 11.cd5 cd5 (worse is 11...Bb4 12.dc6 Bc3 13.Nf7 (13.Bc3?! Nb6+=) 13...Kf7 14.Qb3 Re6 15.cd7 Bd7 16.Qc3+/–; 11...Nd5?! 12.Nge4 Nb4 13.Qb3=) 12.Qb3 Nb6 13.a4 h6 14.Nh3 (14.a5 Nc4 15.Nd5 Qd5 16.Bc4 Qg5 17.Bf7 Kh8 18.h4 Qh4 19.Be8 Ne8 20.b5–/+) 14...Bh3–/+ 15.gh3 Qc8 16.Kg2 Qe6 17.Rg1 Rac8 18.Rac1 Nc4 19.Nd5 Nd5 (better is 19...Ne3 20.fe3 Nd5 21.Rc8 Rc8–/+) 20.Bc4= Rcd8 21.Kh1 Bh4 22.Rg4 Bf2? (better is 22...Bg5+=) 23.Rf1+– h5? (better is 23...Be3 24.Bd5 Rd5 25.Qe3 f5+–) 24.Rg5 Qh3 (24...Qf6 25.Bd5 Qg5 26.Bf7 Kh7 27.Be8 Qe3+–) 25.Rf2 Qe3 (25...Qh4 26.Rfg2 Nf6 27.Bf7 Kh8 28.Be8 Qe1 29.Rg1 Qe2+–) 26.Qe3 (26.Rd5?! Qf2 27.Rh5 Qe1 28.Kg2 Re6 29.Be6 Qe2 30.Kg3 Qh5=) 26…Ne3 1–0. Fournier,Frederic (2080) – wallace_alfred2003, Active, 2004.

8.a3 e4 9.Nd4 Ne5 =.

8.Qc2 Nb6 9.c5 Nbd5 10.Nd5 Nd5 11.a3 =.

8.Qc2 d5 9.b5 Bd6 10.bc6+/– bc6 11.cd5 cd5 (11...Bb7 12.dc6 Bc6 13.0–0+/–) 12.Nb5+/– Bb8 13.Ba3 Re8 14.Rc1 Ba6 15.Nc7 (15.Qb3 Nb6+=) 15...Bc7 16.Ba6 Ba5 (16...Bb6 17.Qa4+=) 17.Rb1 (17.Qa4!?+=) 17...Re6= 18.Be2 Rc8 19.Qa4 Ne4 (better is 19...Nc5 20.Bc5 Rc5=) 20.0–0?? (better is 20.Rb5 Bb6 21.Rd5+/–) 20...Bd2–/+ 21.Nd2 (21.Qd1 Ba5 22.Bb2 Rc5–/+) 21...Nd2 (21...Nc3 22.Qg4 Nf6 23.Qf5 Ne2 24.Kh1–+) 22.Bg4–/+ Rc4 (22...Nf1?! 23.Be6 fe6 24.Kf1–/+) 23.Qa7?? (23.Rb4!? Rg4 24.Rg4 Nf1 25.Kf1–/+) 23...Rg4–+ 24.f3?? (24.Rb7 Nf3 25.Kh1 Rh6 26.h3 Rg2 27.Kg2 Qg5 28.Kf3 Qh5 29.Kg2 Qh3 30.Kg1 Rg6) 24...Nb1 25.Rb1 Rc4 26.Rb7 Rec6 27.Rd7 Rc1! 28.Bc1 Rc1 29.Kf2 Qh4 0–1. Rueda,Libardo (2140) – Harriott,Tyrell (2175), Las Vegas USA, Millionaire Open, 2014.

8.Qc2 d5 9.b5 e4 10.Nd4 Ne5 11.bc6 bc6 12.cd5 cd5 13.0–0 Bg4 14.Bg4 Nfg4 15.h3 Nf6 16.Nf5 Nd3 17.Ne2 Re8 18.Ne7 Qe7 19.Bd4 Nd7 (19...Rac8 20.Nc3+=) 20.Qb3 Qe6 (20...Qg5!?+=) 21.Nc3= Nb6 22.Bb6 ab6 23.Qd5 (23.Nd5? Nc5 24.Qc4 Red8 25.Nb6 Qb6–+) 23...Qg6 24.Rab1 Rad8 25.Qb7 Exerts pressure on the isolated pawn 25...Re6 (25...Rb8 26.Qc7+=) 26.Qc7 Rf8 (26...Rde8 27.Rb5+/–) 27.Rb5+/– Rd6 (27...Rc6 28.Qe7 f5 29.Nd5+/–) 28.Rfb1 Rc6 29.Qb7 Re6 (29...Nc5 30.Qa7 Qf5 31.Rb6 Rb6 32.Rb6+–) 30.Nd5 (30.Rb6?! Ne1 31.g3 Nf3 32.Kg2 Ne1 33.Re1 Rb6 34.Qe4 Qe4 35.Ne4 f5+=) 30...Kh8 (30...Qh6 31.Rb6 Qh4 32.Rf1+–) 31.a4+– (worse is 31.Rb6 Qf5 32.Nf4 Nf4 33.ef4 Qf4+/–) 31...h6 32.Nb6 1–0. forsetinn (2280) – chess_research (2210), gameknot.com, 2014.

8.Qc2 d5 9.cd5 cd5 10.0–0 Bb4 =.

8.Qc2 Re8 9.0–0+= b6 10.a3 Bb7 11.d4 ed4 12.Nd4 g6 13.Rad1 Qc7 14.h3 Rac8 15.e4 Bf8 16.f4 Re7 (16...c5 17.Ndb5 Qb8 18.Qd2+=) 17.Bf3 (17.g4 Bg7+=) 17...Rce8 (17...a6 18.Nb3+=) 18.Ndb5 (18.g4!?+/–) 18...cb5+= 19.Nb5 Qb8 20.Nd6 Re6?? (better is 20...Be4 21.Ne4 Ne4 22.Be4 Re4+=) 21.Ne8+– Qe8 22.e5 Bf3 23.Rf3 (23.gf3?! Nh5=) 23...Nh5 24.Rfd3 Nc5 25.bc5 Bc5 (25...Nf4 26.Rd8 Qc6 27.cb6 ab6 28.R1d4+–) 26.Kh2 Qc6 (26...Be7 27.g3+–) 27.f5! gf5 (27...Re8 28.Rd7 Qa8 29.Qd2+–) 28.Rd8 Kg7 (28...Bf8 29.Rb8 Re8 30.Re8 Qe8 31.Qf5 Ng7+–) 29.Qf5 Rg6 (29...Be3 30.Qh5 Qc4+–) 30.e6 Nf6 31.Bf6 Rf6 32.Qg5 Rg6 33.Qe5 Kh6 34.Qf4 Kg7 (34...Rg5 35.Qh4 Kg6 36.Rg8 Kf6 37.Qg5 Ke6 38.Re1 Be3 39.Qe3 Qe4 40.Qe4 Kd6 41.Rc8 Kd7 42.Qc6) 35.Rg8! 1–0. phildo (1825) – sumbadger (1820), gameknot.com, 2013.

8.e4 Qb6 9.a3 a5 10.Na4 (10.b5 Nc5+=) 10...Qc7 11.0–0 (11.Nc3!?+=) 11...Ne4–/+ 12.Qc2 White intends c5 12...Nef6 13.d4 White plans c5 13...Re8 (13...e4 14.Nh4–/+) 14.c5 (14.de5 Ne5 15.Rfe1 Nf3 16.Bf3 Be6–/+) 14...e4 15.Nd2 d5 16.Rfe1 Nf8 (16...ab4!? 17.ab4 Qf4–/+) 17.Nb6+= Ra7 18.Nc8 Rc8 (18...Qc8 19.Nb3+=) 19.f3 ab4 20.ab4 Ra1 21.Ra1 ef3 22.Nf3 Ng6 23.Ra7 (23.Bd3 Re8+=) 23...Ne4 (23...Qb8 24.Ra2+=) 24.Ra1 (24.Ba6!? Rb8 25.Bd3+=) 24...Nf4–/+ 25.Bd3 (25.Bf1 b5–/+) 25...Nd3 26.Qd3 Qf4 (26...Re8 27.Ne5–/+) 27.Rf1 (27.Bc1 Qf6–/+) 27...Qh6 28.Bc1 Qe6 29.Re1 Qg4 30.Ne5 Qh4 31.g3 (31.Qf1 Bf6–/+) 31...Qh3 (31...Qh5 32.Bf4–/+) 32.Qb3 (better is 32.Bf4–/+) 32...f6 (better is 32...Bf6–/+) 33.Nc6= bc6 34.Re4 Bc5?? (better is 34...Qd7=) 35.bc5+– 1–0. Deb,Akash – Lico,Michael, LERA Memorial Day Ch, 1998.

8.e4 d5 9.ed5 cd5 10.cd5 Bb4 11.0–0 =+.

8.0–0 h6

9.a3 a5 10.Qb3 (10.d3 ab4 11.ab4 Ra1 12.Qa1 Qc7 13.Qa4 d5=; 10.Qc2 d5 11.cd5 cd5 12.b5 Re8 13.Rac1 Bd6=; 10.b5 Rb8 11.d4 Qc7 12.Rc1 Re8 13.Bd3 ed4+=; 10.d4 e4 11.Nd2 ab4 12.Nce4 d5 13.Nf6 Nf6+=; 10.Qa4 Nb6 11.Qc2 Be6 12.d3 Qc7 13.b5 Rfe8=; 10.e4 ab4 11.ab4 Ra1 12.Qa1 c5 13.Ba3 b6=) 10...Qe8 11.d4 ed4 12.Nd4 Ne5 13.Rfd1 ab4+=.

9.Qa4 A) 9...Nb6 10.Qc2 Bg4 11.d3 a5 12.b5 Qc7 13.Rab1 Rfe8+=; B) 9...a5 10.a3 (10.b5 e4 11.Ne1 Nc5 12.Qc2 Re8 13.f3 d5= ; 10.d4 ed4 11.ed4 b5 12.cb5 Nb6 13.Qc2 ab4=; 10.Rfb1 Nb6 11.Qb3 e4 12.Ne1 ab4 13.Qb4 d5–/+; 10.d3 Nb6 11.Qb3 ab4 12.Qb4 Nbd7 13.Rab1 Re8=) 10...Nb6 11.Qc2 Bg4 12.d3 Qd7 13.h3 Bf3=; C) 9...c5 10.a3 (10.d4 ed4 11.ed4 cb4 12.Qb4 d5 13.c5 b6=; 10.b5 Re8 11.Qc2 Qc7 12.a4 b6 13.Qd3 Bb7=; 10.bc5 dc5 11.d3 Bd6 12.Qc2 Re8 13.Rad1 Nb6=; 10.d3 cb4 11.Qb4 d5 12.Qb3 e4 13.de4 de4=; 10.Rac1 e4 11.Ne1 cb4 12.Nd5 a5 13.Qc2 Nd5+=; 10.Rfc1 e4 11.Ne1 cb4 12.Nd5 Nd5 13.cd5 a5+=) 10...e4 11.Ne1 Nb6 12.Qc2 Bf5 13.d3 d5=; D) 9...e4 10.Ne1 (10.Nd4 Ne5 11.f4 Nd3 12.Bd3 ed3 13.b5 c5= ) 10...d5 11.cd5 Nb6 12.Qc2 cd5 13.a3 Be6=.

9.Qb1 A) 9...a5 10.b5 (10.a3 d5 11.cd5 cd5 12.Rc1 ab4 13.ab4 Ra1= ; 10.ba5 Qa5 11.d4 Re8 12.Rd1 ed4 13.Nd4 Ne5= ) 10...a4 11.d4 a3 12.Bc1 Re8 13.Rd1 Qa5+=; B) 9...Re8 10.a3 (10.d4 ed4 11.Nd4 Ne5 12.Rd1 Bg4 13.f3 Bd7= ) 10...d5 11.cd5 cd5 12.Rc1 Bd6 13.Nb5 Bb8+=; C) 9...Qb6 10.b5 (10.a3 c5 11.b5 Re8 12.Qd3 Qc7 13.e4 Nb6=) 10...cb5 11.Nb5 Re8 12.d4 a6 13.Nc3 ed4+=; D) 9...c5 10.Ba3 (10.a3 Qb6 11.bc5 dc5 12.Nh4 Qe6 13.Nf5 Nb6= ; 10.bc5 dc5 11.Bd3 Bd6 12.Nb5 Bb8 13.Bf5 Re8= ; 10.b5 a6 11.a4 b6 12.d4 cd4 13.ed4 Re8+=) 10...Qb6 11.d3 Re8 12.bc5 Qb1 13.Rab1 dc5+=; E) 9...d5 10.b5 (10.a3 a5 11.cd5 cd5 12.Rc1 ab4 13.ab4 Ra1= ; 10.cd5 cd5 11.a3 a5 12.Rc1 ab4 13.ab4 Ra1= ) 10...Bd6 11.Rc1 a6 12.cd5 cd5 13.Qc2 Re8=; F) 9...Nb6 10.d4 Be6 11.de5 de5 12.Ne5 Bb4 13.Ne4 Ne4=.

9.Qb3 A) 9...a5 10.a3 (10.b5 e4 11.Nd4 cb5 12.Ndb5 Nc5 13.Qc2 Be6+= ; 10.ba5 Re8 11.d4 Qa5 12.Bd3 ed4 13.ed4 d5= ; 10.Qa3 d5 11.c5 Rb8 12.Qa5 Qa5 13.ba5 Bc5+=) 10...Qe8 11.d4 ed4 12.ed4 Qd8 13.Rfe1 Re8+=; B) 9...c5 10.a3 (10.b5 a6 11.d3 Re8 12.Rfb1 Nb6 13.a4 a5=) 10...cb4 11.ab4 b6 12.d4 Bb7 13.Rfd1 Qc7+/–; C) 9...Qb6 10.d4 (10.a3 e4 11.Nd4 Ne5 12.f4 ef3 13.Nf3 Bd7+= ) 10...ed4 11.Nd4 Re8 12.Rad1 a5 13.b5 Qc7+=; D) 9...Nb6 10.d4 ed4 11.Nd4 Re8 12.Rfd1 Bg4 13.f3 Bd7+= ; E) 9...e4 10.Nd4 Ne5 11.f4 Nd3 12.Bd3 ed3 13.Nd1 c5=.

9.b5 A) 9...a6 10.a4 (10.d4 ab5 11.cb5 e4 12.Nd2 d5 13.bc6 bc6=; 10.bc6 bc6 11.Rb1 Rb8 12.d4 Re8 13.Qa4 ed4=; 10.ba6 ba6 11.d4 Re8 12.Rb1 Rb8 13.Qc2 Qc7=; 10.Qc2 ab5 11.cb5 d5 12.bc6 bc6 13.Rfb1 c5=) 10...d5 11.d4 e4 12.Nd2 ab5 13.ab5 Ra1+=; B) 9...d5 10.d4 (10.cd5 cd5 11.d4 e4 12.Nd2 Re8 13.Qb3 Nb6= ; 10.Qc2 Bd6 11.Rfc1 a6 12.cd5 cd5 13.d4 e4= ; 10.d3 dc4 11.dc4 Qc7 12.Qc2 Rd8 13.Rfd1 a6=) 10...e4 11.Nd2 a6 12.bc6 bc6 13.Rb1 Qc7+=; C) 9...Nb6 10.d4 (10.bc6 bc6 11.c5 Nbd7 12.d4 Re8 13.Rb1 Rb8= ) 10...e4 11.Nd2 cb5 12.Nb5 Re8 13.a4 d5+=; D) 9...Qb6 10.Qc2 (10.bc6 Qc6 11.d4 Re8 12.Rb1 b6 13.Bd3 Ba6+= ; 10.Rb1 c5 11.d4 Re8 12.de5 de5 13.Nd5 Nd5+= ; 10.d4 e4 11.Nd2 cb5 12.Qc2 bc4 13.Bc4 Qa5+=; 10.a4 Qa5 11.d4 e4 12.Nd2 d5 13.f3 ef3+=; 10.a3 cb5 11.cb5 d5 12.Rc1 Qe6 13.Qc2 a6=) 10...cb5 11.Nb5 Qc6 12.d4 e4 13.Nd2 d5+/–; E) 9...Rb8 10.e4 (10.d4 Re8 11.Qc2 Qa5 12.Rfd1 ed4 13.Nd4 Ne5+= ; 10.Qc2 d5 11.cd5 cd5 12.Rfc1 Re8 13.a4 Bd6+= ; 10.d3 Re8 11.d4 e4 12.Nd2 d5 13.Qb3 Qa5+=; 10.Rc1 Qa5 11.d4 Re8 12.Qd2 Qc7 13.Qc2 ed4+=) 10...a6 11.d4 Qb6 12.a4 a5 13.Rb1 Rd8+=; F) 9...cb5 10.Nb5 (10.cb5 d5 11.d4 e4 12.Nd2 Re8 13.Qb3 Nb6= ) 10...Nb6 11.d4 e4 12.Nd2 Re8 13.a4 d5+=.

9.Qc2 A) 9...a5 10.b5 (10.a3 Qc7 11.d4 Re8 12.Rfd1 ed4 13.Nd4 Ne5+= ) 10...d5 11.Rfc1 e4 12.Nd4 c5 13.Nf5 dc4+/–; B) 9...Qb6 10.a3 (10.b5 Re8 11.d4 Qc7 12.Rfd1 a6 13.a4 cb5+= ) 10...a5 11.b5 Re8 12.d4 ed4 13.Nd4 Ne5+=; C) 9...Re8 10.d4 (10.a3 c5 11.Rfb1 Qb6 12.d4 cd4 13.ed4 a6+= ) 10...ed4 11.Nd4 c5 12.bc5 Nc5 13.Rad1 Qb6+=; D) 9...Nb6 10.d4 ed4 11.Nd4 c5 12.bc5 dc5 13.Nf5 Bf5+=; E) 9...c5 10.a3 (10.bc5 dc5 11.Rad1 Re8 12.Rfe1 Qa5 13.d4 cd4+= ; 10.b5 Re8 11.d4 ed4 12.ed4 Qb6 13.d5 a6+=) 10...Qb6 11.Rfb1 Re8 12.d3 cb4 13.ab4 a6+=; F) 9...d5 10.cd5 (10.a3 a5 11.cd5 cd5 12.Qb3 e4 13.Nd4 Ne5= ; 10.b5 Bd6 11.Rfc1 a6 12.cd5 cd5 13.d4 e4=; 10.c5 b6 11.d4 e4 12.Nd2 Qc7 13.a4 Rb8=) 10...cd5 11.Qb3 e4 12.Nd4 Ne5 13.Rfc1 Nc6=.

9.d3 A) 9...Qc7 10.Qc2 (10.Rc1 Nb6 11.d4 Be6 12.d5 Bg4 13.Qd3 c5= ; 10.a3 a5 11.b5 d5 12.cd5 cd5 13.Rc1 Qd6=; 10.Rb1 Re8 11.b5 d5 12.bc6 bc6 13.cd5 cd5=; 10.b5 a6 11.bc6 bc6 12.Rb1 d5 13.d4 e4=; 10.Qa4 a5 11.b5 Nb6 12.Qc2 Bf5 13.e4 Be6=; 10.Ne4 a5 11.Nf6 Nf6 12.a3 Be6 13.Qc2 Rfc8=) 10...b6 11.d4 Re8 12.Rfd1 a6 13.a3 ed4+= ; B) 9...a5 10.b5 (10.a3 Re8 11.b5 d5 12.d4 e4 13.Nd2 cb5= ) 10...d5 11.d4 e4 12.Nd2 Qc7 13.Rc1 Qd6+=; C) 9...Qb6 10.a3 (10.Qb3 a5 11.b5 Nc5 12.Qa3 Bg4 13.h3 Bf5= ; 10.Qa4 d5 11.cd5 cd5 12.a3 a5 13.Rfc1 Ra6=) 10...a5 11.b5 Qc7 12.d4 Re8 13.Qc2 c5+=; D) 9...a6 10.Qc2 (10.a3 Qc7 11.d4 a5 12.e4 Re8 13.b5 ed4+= ; 10.Qb3 a5 11.a3 Re8 12.d4 Qc7 13.Rfd1 ab4+=; 10.Rc1 b5 11.Qb3 bc4 12.dc4 Rb8 13.Rfd1 Qc7=; 10.Rb1 b5 11.a4 bc4 12.dc4 Rb8 13.Ba3 c5+=; 10.Qa4 Qb6 11.Rfb1 Qc7 12.Qc2 d5 13.a3 b6=; 10.Ne4 Ne4 11.de4 a5 12.a3 Qb6 13.Qd2 Nf6=; 10.d4 Re8 11.Qd3 Qb6 12.a3 ed4 13.Nd4 Ne5= ; 10.a4 a5 11.b5 d5 12.cd5 cd5 13.Qb3 Nc5+= ) 10...Re8 11.a3 b5 12.d4 ed4 13.Nd4 Bb7+=; E) 9...Nb6 10.Nd2 (10.Qc2 Be6 11.a4 a5 12.b5 Qc7 13.Rab1 Rae8= ; 10.Rb1 Be6 11.a4 Qc7 12.b5 Rfe8 13.Qd2 a5= ; 10.d4 Be6 11.Qb3 e4 12.Nd2 d5 13.c5 Nbd7=; 10.Rc1 Be6 11.a4 Nbd7 12.d4 e4 13.Nd2 d5=; 10.Qd2 Re8 11.a4 a5 12.ba5 Ra5 13.Rfb1 Bf5=; 10.a4 a5 11.b5 Be6 12.c5 Nbd7 13.d4 e4=; 10.a3 Be6 11.Qb3 a5 12.ba5 Ra5 13.Rfb1 Qc7= ; 10.Qb3 a5 11.ba5 Ra5 12.Rab1 Qc7 13.Ba3 Ra6= ; 10.Qe1 Be6 11.a4 a5 12.b5 Re8 13.Qd2 Qc7=) 10...c5 11.a3 d5 12.bc5 Bc5 13.Nb3 Be7+=; F) 9...b6 10.a3 (10.Qa4 Qc7 11.Rfc1 a6 12.d4 Re8 13.e4 ed4= ; 10.d4 c5 11.bc5 bc5 12.Rb1 Rb8 13.Nb5 cd4+= ; 10.Qc2 c5 11.a3 Re8 12.Nd2 Bb7 13.Bf3 Bf3+=; 10.Qb3 c5 11.b5 Bb7 12.Nd2 Re8 13.e4 Nf8=; 10.Qb1 Re8 11.d4 Bb7 12.Rd1 ed4 13.Nd4 c5+=; 10.Rc1 c5 11.b5 a6 12.ba6 Ra6 13.Rb1 Bb7=; 10.a4 Qc7 11.d4 e4 12.Nd2 d5 13.Rc1 Bb4+=; 10.Nd2 d5 11.a3 a5 12.b5 Bb7 13.bc6 Bc6= ) 10...Qc7 11.d4 e4 12.Nd2 d5 13.Rc1 Qb7+=; G) 9...Rb8 10.a3 (10.Qc2 Re8 11.a3 Qc7 12.d4 b6 13.e4 a6+= ; 10.d4 a5 11.a3 e4 12.Nd2 d5 13.Qb3 Nb6+=; 10.Rb1 Re8 11.d4 e4 12.Nd2 d5 13.Qb3 Nf8+=; 10.Rc1 Re8 11.a3 a5 12.b5 Nb6 13.d4 e4+=; 10.Qd2 Qc7 11.a3 Nb6 12.a4 Be6 13.e4 a5=; 10.Qb3 a5 11.a3 Qb6 12.d4 ed4 13.Nd4 Re8+= ; 10.Re1 b5 11.cb5 cb5 12.d4 a6 13.e4 Bb7+=; 10.b5 Re8 11.d4 e4 12.Nd2 d5 13.Qb3 Qa5+=) 10...Ra8 11.Qc2 Nb6 12.d4 Qc7 13.Rad1 ed4+=; H) 9...Kh8 10.Rb1 (10.a3 a5 11.b5 d5 12.d4 e4 13.Nd2 Qc7+= ; 10.Qc2 Qb6 11.a3 a5 12.b5 Re8 13.d4 Qc7+=; 10.Rc1 a5 11.b5 Qc7 12.d4 Re8 13.Bd3 ed4+=; 10.a4 Qc7 11.b5 d5 12.bc6 bc6 13.cd5 cd5=; 10.Qd2 Re8 11.a3 Nb6 12.Qc2 Be6 13.Ne4 Ne4+=; 10.Qb3 a5 11.a3 Nb6 12.d4 e4 13.Nd2 Bf5+= ; 10.Re1 Qb6 11.a3 a5 12.b5 Qc7 13.e4 c5+=; 10.d4 Re8 11.Qb3 ed4 12.Nd4 a5 13.a3 Ne5+=; 10.Ne4 Ne4 11.de4 Qb6 12.Bc3 Qc7 13.Qd3 Nb6=) 10...Kg8 11.Qc2 Qb6 12.a3 a5 13.b5 Re8+=; I) 9...Re8 10.Qc2 (10.Rc1 Qb6 11.b5 cb5 12.cb5 d5 13.Na4 Qd6= ; 10.a3 a5 11.b5 d5 12.d4 e4 13.Nd2 cb5=; 10.Rb1 Qc7 11.d4 e4 12.Nd2 d5 13.cd5 cd5=; 10.d4 a6 11.a3 e4 12.Nd2 d5 13.Qb3 Nb6+=; 10.Qb3 c5 11.a3 Qb6 12.Rfb1 a5 13.Na4 Qc7+=; 10.Ne4 Qb6 11.a3 Ne4 12.de4 a5 13.Bc3 ab4=; 10.Qd2 d5 11.a3 dc4 12.dc4 a5 13.b5 Qc7= ; 10.Re1 a5 11.b5 d5 12.Rb1 Qc7 13.bc6 bc6= ; 10.a4 Qc7 11.d4 e4 12.Nd2 d5 13.cd5 Nd5+=) 10...a5 11.b5 d5 12.Rac1 dc4 13.dc4 Qc7+=.

9.d4 e4 10.Nd2 d5 11.Qb3 Nb6 12.c5 Nbd7 13.b5 Nb8 (13...Re8+=) 14.a4 Be6 (14...b6 15.Ba3+=) 15.a5 (15.bc6 Nc6 16.Qb7 Rb8 17.Qc6 Rb2+/–) 15...Nbd7 16.a6 Rb8 17.ab7 Rb7 18.Ra2 Qc7 19.Rfa1 (19.Ra6 Rc8+=) 19...Rfb8 20.Qa4 Nf8 21.Qa5 Qc8 22.Qa6 Bd7 23.bc6 Bc6 (worse is 23...Rb2 24.cd7 Qd7 25.c6 (worse is 25.Qa7 Qa7 26.Ra7 Rd2+=) 25...Ra2 A) worse is 26.cd7 Ra6 27.Ra6 A1) 27...N6d7? 28.Nd5 (28.Ra7?! Bb4 29.Ndb1 Rc8=) 28...Bd6 29.Ne4 (29.Ra7?! Rb2 30.Nc4 Re2+=) 29...Rb1 30.Bf1+–; A2) 27...N8d7?! 28.Ra7 Bb4 29.Ndb1=; A3) 27...Rb2+=; B) worse is 26.Qa2 Qc6 27.Nd1 Rb7–/+; C) 26.Na2?! Qc7=; D) 26.Ra2+/–; worse is 23...Qc6 24.Qc6 Bc6 25.Bc1+/–) 24.Qa3 Rb4 (24...Qf5!?=) 25.Bc1+/– Bd8 26.Nd1 (26.Qa7!? Ra8 27.Qa8 Ba8 28.Ra8+/–) 26...a5= 27.Qc3 Qe6 28.Ba3 R4b7 29.Rb2 Rb2 30.Bb2 Bc7 31.Nb3 a4 32.Na5? (32.Nd2 Ra8=) 32...Ba5?? (better is 32...Bb5 33.Bb5 Rb5–+) 33.Qa5+= N8d7 34.Bc3 (34.Qd2 Qf5+/–) 34...Ra8 35.Qb4 Rb8 36.Qa5 (36.Qa3 Qf5+=) 36...Ra8 37.Qb4 Rb8 38.Qa3 Rb3 (38...Ra8 39.Nb2+/–) 39.Qc1 Nh7 40.Ra3 Rb8 41.Nb2 Ra8 42.Qd1 Ndf6 43.h3 (43.Na4? Qe8–+) 43...Qd7 44.Be1 Ng5 45.Kh2 Qa7 46.Qc2 Qc7 47.Kg1 Qd7 48.h4 Ngh7 49.Bd1 Ng4 50.Na4 Ba4 51.Ra4 Rc8 52.Ra6 f5 (52...Nhf6!?+/–) 53.Rd6+– Qf7 54.Qa2 Nhf6 55.Bb3 Qh5 56.Bd5 Kh8 57.g3 (57.f3!? ef3 58.Bf7 f2 59.Bf2 g6+–) 57...Nd5 58.Qd5 Nf6 59.Rd8 Kh7 60.Rc8?? (better is 60.Qd6 Rd8 61.Qd8+–) 60...Nd5–+ 61.Rd8 Qd1 (better is 61...Nf6 62.Kf1 Qf3–+) 62.Rd5–/+ Qe1 63.Kg2 Kg6 64.c6 Qc1 (better is 64...Qb4–/+) 65.Rc5+– Qd1 66.c7 Qf3 67.Kg1 Qd1 68.Kh2 Qf3 (68...Qe2 69.Rc1 Qf2 70.Kh3 Qf3=) 69.Rc2 (69.Rc2 Kh5 70.c8Q+–) 1–0. Berlacki,Piotr – Hensinger,Ernst, Wch Seniors Bad Woerishofen, 1992.

9.d4 e4 10.Nd2 d5 11.Qb3 Nb6 12.c5 Nbd7 13.b5 Nh7 (13...a6 14.bc6 bc6 15.Qa4+=) 14.f3 f5? (better is 14...ef3 15.Nf3 Ng5+=) 15.bc6+– bc6 (15...Ndf6 16.cb7 Bb7 17.Qb7+–) 16.Nd5! Rb8 (16...cd5 17.Qd5 Double attack (17.fe4 Decoy)) 17.Ne7 Kh8 18.Ng6 1–0. Janek – yxdjango, internet, 2017.

9.d4 e4 10.Nd2 d5 11.Qb3 Nb6 12.c5 Nbd7 13.f3 ef3+=.

8.d4 ed4

9.ed4 A) 9...Re8 10.0–0 (10.Qb3 Nb6 11.0–0 Be6 12.Rfe1 Qc7 13.a4 d5=) 10...a5 11.b5 cb5 12.Nb5 d5 13.c5 Ne4+=; B) 9...d5 10.c5 Qc7 11.0–0 Re8 12.Qc2 b6 13.Rfe1 a5=; C) 9...c5 10.a3 (10.bc5 dc5 11.d5 Re8 12.0–0 Bd6 13.Re1 Bf4=; 10.b5 Re8 11.0–0 Nb6 12.d5 Bf5 13.Re1 Qd7+=; 10.Ba3 Re8 11.0–0 a5 12.b5 Nb6 13.Re1 Bg4=; 10.dc5 dc5 11.b5 Nb6 12.Qb3 Qc7 13.0–0 Be6=) 10...cb4 11.ab4 Re8 12.0–0 d5 13.c5 b6+=; D) 9...a5 10.b5 (10.ba5 Re8 11.0–0 d5 12.cd5 cd5 13.Qb3 Qa5=) 10...d5 11.c5 cb5 12.Bb5 b6 13.c6 Nb8+=; E) 9...Rb8 10.0–0 (10.a3 Nb6 11.d5 Bg4 12.Qd4 Rc8 13.0–0 c5=; 10.Qb3 Re8 11.0–0 Nb6 12.d5 Bg4 13.Rfe1 cd5+=; 10.d5 a5 11.b5 cb5 12.cb5 Ne5 13.0–0 Nf3+=; 10.Rb1 Nb6 11.d5 Bf5 12.Rc1 c5 13.a3 Rc8=) 10...d5 11.c5 Re8 12.b5 Ne4 13.Re1 Qc7+=; F) 9...Qb6 10.Qa4 (10.a3 d5 11.c5 Qc7 12.0–0 Re8 13.Re1 Nh5=; 10.Qb3 d5 11.c5 Qc7 12.0–0 b6 13.Rfe1 Re8=) 10...c5 11.a3 Re8 12.0–0 Qc6 13.Nb5 Nb6+=; G) 9...Qc7 10.0–0 (10.d5 cd5 11.Nd5 Nd5 12.cd5 Bf6 13.Bf6 Nf6=; 10.a3 a5 11.b5 d5 12.cd5 cd5 13.0–0 Re8=; 10.Rc1 Re8 11.0–0 c5 12.b5 a6 13.Re1 Nb6=; 10.b5 d5 11.0–0 Re8 12.Qb3 a6 13.a4 Bd6=) 10...Re8 11.d5 cd5 12.cd5 Qb6 13.Nb5 a6+=; H) 9...Nb6 10.0–0 (10.d5 Bg4 11.Qd3 cd5 12.Nd5 Nfd5 13.cd5 Bf6=) 10...Bg4 11.Nd2 Be2 12.Qe2 Re8 13.Qf3 d5=.

9.Qd4 a5 10.b5 Nc5 11.0–0 Re8 12.Rad1 Qc7 13.Ba3 a4=.

9.Qd4 Qb6 10.a3 c5 11.Qf4 Re8 12.Nd5 Nd5 13.cd5 Bf6=.

9.Qd4 Qb6 10.b5 Nc5 11.0–0 Bf5 12.Qf4 Bc2 13.Nd4 Ne6=.

9.Qd4 Qb6 10.b5 Rd8 11.0–0 Nc5 12.Rfd1 Bf5 13.Qf4 Bc2 14.Rd2 Ne6 (14...Bg6 15.Nd4+=) 15.Qh4 (15.Qg3 Bf5 16.Nh4 Ne4 17.Ne4 Be4+=) 15...Bg6 (15...Bf5 16.Nd4 Nd4 A) worse is 17.ed4 Ne4 18.Qe7 Re8–/+ (worse is 18...Nd2 19.Qg5+/–); B) 17.Rd4?! a6=; C) 17.Qd4 Qd4 18.Rd4=) 16.Qh3 (16.a4 Qa5 17.Qg3 Nc5=) 16...a6= 17.a4 ab5 18.ab5 Ra1 19.Ba1 d5 (19...Ne4 20.Ne4 Be4 21.Qg4+=) 20.cd5+= cd5 21.g3 (21.Ne5 Be4+=) 21...Bb4 (21...Qc7 22.Rd1 Bb4=) 22.Qf1 (better is 22.Na4!? Qc7 23.Bf6 gf6 24.Rb2+=) 22...Qc7–/+ 23.Bd3? (better is 23.b6!? Qc8 24.Nb5 Bd2 25.Bf6 gf6 26.Nd2–/+) 23...Bc3–+ 24.Rc2 Bd3 (24...d4 25.Nd4 Nd4 26.ed4–/+) 25.Qd3 Ne4 (25...Ba1?! 26.Rc7 Nc7 27.b6=) 26.Bc3 Rc8 (worse is 26...Nc3 27.Rc3 Qb6 28.h3=) 27.Qd5? (better is 27.Nd2 N6g5 28.Nb1+=) 27...Nc3–+ 28.Qb3 (28.Qd3 Qa5–+) 28...b6 (28...b6 29.Kg2 Qc4 30.Qc4 Rc4–+; 28...Qa5 29.b6–+) 0–1. Melich,Jindrich – Horak,Michal (2300), Ceske Budejovice op, 1992.

9.Qd4 Qb6 10.Qb6 Nb6 11.0–0 Be6 12.Nd2 Ng4 13.Rac1 a5=.

9.Qd4 c5 10.bc5 dc5 11.Qd3 =.

9.Qd4 c5 10.bc5 dc5 11.Qf4 Re8 12.0–0 Qb6 13.Rab1 Bd6+=.

9.Nd4 Nb6 10.Qc2 (10.b5 c5 11.Nb3 Be6 12.Nd2 d5 13.cd5 Nfd5=; 10.a3 c5 11.Nb3 Be6 12.Na5 Qc8 13.Qd3 d5=; 10.Qd3 Nfd7 11.Nf3 Ne5 12.Ne5 de5 13.c5 Nd7=) 10...d5 (10...a5 11.ba5 Ra5 12.0–0= Be6 13.Ne6 fe6=; 10...c5 11.bc5 dc5 12.Nf5 Qc7 13.Nb5 Qd7+=) 11.c5+= Nbd7 12.Rd1 (12.0–0 Re8 13.Rfd1 Qc7+=) 12...a5 13.a3 ab4 14.ab4 Ne5 15.e4 Ng6 16.0–0 Be6 17.f4 (White launches an attack) 17...Bg4 18.e5 Be2 19.Qe2 (worse is 19.Nde2 Ng4 20.Qd3 b6=) 19...Nd7 20.e6 Nf6 21.f5 Nh8 22.ef7 Rf7 23.Ne6 Qd7 24.Ra1 Ra1 25.Ra1 g6? (better is 25...Qe8+/–) 26.Ra8+– Ne8 27.Na4 Bf6 (27...Bh4+–) 28.Nb6 Qe7 29.Nc8 Qd7 30.Nd6 (30.Nd6 Re7 31.Bf6+–) 1–0. Morssinkhof – De Visser,Arno, corr, 1986.

9.Nd4 c5 10.Nf5 (10.bc5 Nc5 11.0–0 Be6 12.Rb1 Rc8 13.a3 b6=) 10...cb4 11.Nb5 Ne8 12.Ne7 Qe7 13.a3 b3=.

8.d4 e4

9.Nd2 Qb6 10.Qb3 (10.Nce4 Ne4 11.Ne4 d5 12.cd5 cd5 13.Nc3 Qb4 14.Qb3 Nb6+=; 10.Nde4 Ne4 11.Ne4 d5 12.cd5 cd5 13.Nc3 Bb4 14.0–0 Nf6+=) A) 10...a5 11.b5 d5 (11...cb5 12.cb5 d5 13.Nd5 Nd5+= 14.Qd5 Nf6+=) 12.cd5 cd5 13.Nd5 Nd5 14.Qd5 Nf6+=; B) 10...d5 11.b5 (11.a3 a5 12.b5 cb5 13.cd5 b4 14.Nce4 a4=) 11...Rd8 12.0–0 (12.cd5 cd5 13.f3 Nf8 14.fe4 de4+=) 12...Qa5 13.Rad1 (13.Rac1 a6 14.cd5 cd5=) 13...Qb4 14.f3 ef3+=.

9.Nd2 d5

10.a3 a5 11.b5 cb5 12.cd5 b4 13.Nce4 Nd5=.

10.Qb3 Nb6 11.c5 Nbd7 12.b5 Re8 13.0–0 cb5=.

10.b5 cb5 11.cd5 Nb6 12.Nce4 Ne4 13.Ne4 Qd5=.

10.c5 b6 (10...Re8 11.0–0 b6 12.a3 Rb8 13.Qc2 bc5=) 11.Qc2 (11.0–0 Bb7 12.Qb3 a5 13.a3 Qc7=) 11...a5 12.a3 Ba6 13.Ba6 Ra6 14.a4?? (14.b5 Ra8 15.bc6+=) 14...ab4–+ 15.Ne2 bc5 16.dc5 Nc5 17.Ng3 (17.0–0 Qa5 18.Nd4–+) 17...Nd3 18.Ke2 Nb2 (18...c5 19.f3 c4 20.Bd4 ef3 21.gf3–+) 19.Qb2 Bd6 20.Nf5 c5 21.Nb3 Qc8 (better is 21...c4 22.Nbd4 Bc5–+) 22.Rac1 (22.Nd6 Rd6 23.Rhc1 Qa6 24.Ke1–+) 22...Qf5 23.h3 (23.Nc5 Qg4 24.Kd2 Bc5 25.Rc5 Qg2–+) 23...c4 24.Nd4 Qd7 25.Ra1 Rfa8 (25...Rfa8 26.a5 Ra5 27.Ra5 Ra5–+) 0–1. Wolterbeek,John – Hotting,Arend, corr NED–ch H255, 1985.

10.cd5 cd5 11.b5 a6 12.0–0 ab5 13.Bb5 Nb6=.

10.b5 a6

11.a4 ab5 12.ab5 Ra1 13.Qa1 Qc7 14.0–0 Bd6 ½–½. Skaug,Thorbjorn – Hanison,Bernard, corr ICCF TT–4–90, 1993.

11.a4 Re8

12.0–0 Qc7 (12...cb5 13.cb5 (13.ab5 dc4 14.Qc2 Nb6 15.ba6 ba6 16.Nce4 Ne4=; 13.cd5 ba4 14.Nde4 Ne4 15.Ne4 Nb6 16.Nc5 Qd5=) 13...Bb4 14.Qb3 Qa5 15.Ndb1 Rd8 16.Nd5 Nd5+=; 12...Bb4 13.c5 (13.Qc2 Qe7 14.Rfb1 Rd8 15.cd5 cd5 16.Qb3 ab5+=; 13.Qb3 Qa5 14.Ndb1 dc4 15.Bc4 Re7 16.Ba3 c5=; 13.Qb1 ab5 14.ab5 Ra1 15.Ba1 Qa5 16.Qb3 Bd6+=; 13.Na2 Bd2 14.Qd2 cb5 15.cb5 Nb6 16.Nc3 Bg4=; 13.bc6 bc6 14.Qc2 Qe7 15.Rfb1 Rb8 16.c5 Ba5=; 13.ba6 ba6 14.Qc2 Qe7 15.Rfb1 Rb8 16.c5 Ba5=; 13.cd5 cd5 14.Qb3 Qa5 15.Ndb1 Rd8 16.Nd5 Nd5+=) 13...Qe7 14.Nb3 Bc3 15.Bc3 ab5 16.ab5 Ra1+=; 12...ab5 13.ab5 (13.cd5 cd5 14.ab5 Ra1 15.Qa1 Nb6 16.Ba3 Bg4=) 13...Ra1 14.Qa1 Bd6 15.c5 Bb8 16.b6 Qe7+=) 13.cd5 (13.bc6 bc6 14.Ba3 Ba3 15.Ra3 c5 16.Nd5 Nd5=; 13.ba6 ba6 14.Ba3 Ba3 15.Ra3 c5 16.Nd5 Nd5=; 13.c5 ab5 14.ab5 Ra1 15.Qa1 b6 16.cb6 Qb6=; 13.h3 Bb4 14.Qb3 Qa5 15.Ndb1 dc4 16.Bc4 Re7=; 13.Qc2 Bd6 14.h3 Rd8 15.c5 Be7 16.b6 Qb8+=) 13...Nd5 (13...cd5 14.Qb3= Qa5 15.Rfc1 Bd6 16.Ba3 Ba3+=) 14.Nd5 (14.Nde4!? N7f6 15.Nf6 Nf6 16.bc6+/– Bd6+/–) 14...cd5+= 15.Rc1 (15.Qb3 Nf6 16.Rfc1 Qd8=) 15...Qb6 (15...Qd6 16.Rc3 Qg6=) 16.Qb3 Nf6 17.Qc3 (17.ba6 Qb3 18.Nb3 ba6=) 17...a5 (better is 17...ab5!? 18.Bb5 Bd7 19.Bd7 Nd7+=) 18.Ba3+= Ba3 19.Qa3 Nd7 20.Rc2. Adam – Schiller, corr FD'80/04/166, 1971.

12.ba6 A) 12...b6 13.cd5 (13.Qb3 Ba6 14.cd5 cd5 15.Nd5 Nd5 16.Qd5 Bb4=; 13.g4 dc4 14.Bc4 Ba6 15.Ba6 Ra6 16.Nce4 Ne4=) 13...cd5 14.g4 h6 15.h4 g5 16.Qb3 Ba6+/–; B) 12...ba6 13.0–0 (13.Qc2 Rb8 14.Ba3 dc4 15.Be7 Qe7 16.Nc4 c5=; 13.Rb1 Bd6 14.0–0 Qc7 15.h3 Bb4 16.Qc1 Qd6=; 13.c5 Nf8 14.Rb1 Rb8 15.0–0 Qc7 16.h3 Qd7=; 13.Ba3 c5 14.dc5 dc4 15.c6 Ne5 16.Nc4 Ba3=; 13.cd5 cd5 14.Ba3 Ra7 15.Be7 Qe7 16.Rc1 Qe6=; 13.Qc1 Rb8 14.0–0 Bb4 15.Ba3 a5 16.Qc2 Ba6=) 13...Qa5 14.Qc2 Bb4 15.Rfc1 Qd8 16.Ba3 Rb8+=.

12.Rc1 A) 12...Bb4 13.c5 (13.0–0 cb5 14.ab5 dc4 15.ba6 ba6 16.Nc4 Nb6=; 13.Qb3 Qa5 14.0–0 Nb6 15.Ra1 Bg4 16.Bg4 Ng4=; 13.bc6 bc6 14.0–0 Rb8 15.Rb1 Qc7 16.c5 Nf8=; 13.ba6 ba6 14.0–0 Rb8 15.Rb1 Qe7 16.Qc2 Qe6=) 13...ab5 14.ab5 Nb8 15.0–0 b6 16.Qb3 Ba5+=; B) 12...Bd6 13.cd5 (13.c5 Bb8 14.b6 Nf8 15.0–0 N6d7 16.a5 Qh4=; 13.Qb3 ab5 14.ab5 dc4 15.Nc4 Bb8 16.bc6 bc6=; 13.Qc2 Re6 14.bc6 bc6 15.c5 Bc7 16.0–0 Rb8=; 13.bc6 bc6 14.Rb1 Rb8 15.c5 Bc7 16.Qc2 Qe7=; 13.ba6 ba6 14.Rb1 Rb8 15.Qc2 Qe7 16.c5 Bc7=; 13.0–0 cb5 14.ab5 dc4 15.Nc4 Nb6 16.Nd6 Qd6=; 13.Rc2 ab5 14.ab5 Bb8 15.Qc1 cb5 16.Nb5 dc4=; 13.h3 Bb4 14.Qb3 Qa5 15.bc6 bc6 16.Ba3 Rb8=) 13...cb5 14.ab5 Nb6 15.ba6 ba6 16.Qc2 Nbd5=; C) 12...cb5 13.cb5 (13.ab5 dc4 14.ba6 ba6 15.Nc4 Nb6 16.0–0 Nc4=) 13...Qb6 14.Qb3 Qd6 15.g4 h6 16.h4 g5+=; D) 12...ab5 13.ab5 dc4 14.bc6 bc6 15.Nde4 Ne4 16.Ne4 Nb6=.

12.bc6 bc6 13.Qc1 (13.Qc2 Rb8 14.Ba3 dc4 15.Be7 Qe7 16.Nc4 c5=; 13.0–0 Qa5 14.Nb3 Qc7 15.Ba3 Ba3 16.Ra3 dc4=; 13.Rb1 Bb4 14.0–0 Rb8 15.Qc2 Qe7 16.Na2 Bd6=; 13.Ba3 c5 14.dc5 dc4 15.c6 Ne5 16.Nc4 Ba3=; 13.cd5 cd5 14.Ba3 Ba3 15.Ra3 a5 16.Rb3 Ba6=; 13.Rc1 Rb8 14.Rb1 Bb4 15.0–0 Qe7 16.Qc2 Qe6=; 13.c5 Rb8 14.Rb1 Qc7 15.0–0 Nf8 16.Nb3 Bg4=) 13...Rb8 14.0–0 Bb4 15.Ba3 Ba3 16.Qa3 Qa5+=.

12.cd5 cd5 13.Rc1 (13.Ba3 Ba3 14.Ra3 Qe7 15.Qb3 ab5 16.Nb5 Nb8=; 13.0–0 ab5 14.ab5 Ra1 15.Qa1 Nb6 16.Ba3 Bg4=; 13.Qb3 Qa5 14.Nd5 Nd5 15.Qd5 Bb4 16.Rd1 Nb6+=; 13.ba6 ba6 14.Ba3 Ra7 15.0–0 Ba3 16.Ra3 Qa5=; 13.Qc2 Nb8 14.0–0 Bg4 15.Nb3 Be2 16.Qe2 ab5=) 13...Qb6 14.g4 h6 15.h4 ab5 16.Bb5 Qe6+/–.

8.d4 Re8

9.0–0 Bf8 10.Qc2 Qe7 11.Rfd1 g6 (11...e4 12.Nd2=) 12.c5 e4 13.Nd2 d5 14.b5 h5 (14...Qe6 15.bc6 bc6 16.Bf1=) 15.Qb3 Bh6 16.Rab1 Nf8 (16...Ng4 17.Qa4 Qf6 18.Bg4 hg4 19.a3+=) 17.h3 N6h7 18.Qa4 Bd7 19.Nb3 (19.bc6 Bc6 20.Qa5 Qg5+/–) 19...Qh4 (19...Qg5 20.bc6 bc6 21.Kh2+=) 20.bc6+/– bc6 21.Bf1 Ng5 22.Nd2 Nfh7 (22...Re6 23.Qa6+=) 23.Nd5 Bh3? (better is 23...Nh3 24.gh3 Qg5 25.Kh1 Qd5+/–) 24.Qc6 (24.Nc7 Bg4 25.Rdc1 Bd7+–) 24...Rac8 25.Qd6 (25.Qa4 Bg4 26.Rdc1 Bf8+–) 25...Be6 (25...Rcd8 26.Ne7 Kg7+–) 26.Nb3?? (better is 26.Bb5!? Bf8 27.Qf4 Qf4 28.Nf4 (28.ef4?! Bd5 29.Be8 Re8 30.fg5 Ng5+–) 28...Ba2 29.Ra1+– (29.Be8?! Bb1 30.Bf7 Kf7 31.Rb1 Nf6+–)) 26...Nf3?? (better is 26...Bd5 27.Qd5 Nf6=) 27.gf3+– Ng5?? (better is 27...Qg5 28.Qg3 Bd5 29.Qg5 Ng5+/–) 28.Nf6 Kh8 29.Nd2 Nf3 (29...Red8 30.Qh2 Qh2 31.Kh2 Rb8+–) 30.Nf3 Qf6 31.d5 (31.d5 Qb2 32.Rb2+–) 1–0. pcmvr (2845) – fhupp (2250), net–chess.com, 2009.

9.0–0 Qc7

10.a3 ed4 11.Nd4 a5 12.Qd2 Ne5 13.f4 Ng6 14.b5 Bd7 +=.

10.a4 a5 11.b5 Rb8 (11...e4 12.Nd2 d5 13.Rc1 Qd8 14.Qb3 Bb4 15.Rc2+=; 11...ed4 12.Nd4 Nb6 13.Qb3 Nbd7 14.Rad1 Nc5 15.Qc2+=; 11...c5 12.de5 de5 13.Qc2 Bd6 14.e4 Nb6 15.Nd5+=; 11...Qb6 12.Rb1 c5 13.de5 de5 14.Qc2 Bd6 15.Rfd1+/–) 12.Rc1 ed4 13.Nd4 Ne5 14.f4 Ned7 15.e4=.

10.a4 b6 A) 11.Bd3 ed4 12.ed4 c5 13.bc5 dc5 14.d5 Qd8 15.Re1+=; B) 11.b5 a6 (11...Bb7 12.Rc1 c5 13.d5 Bc8 14.Rb1 Rb8 15.Qd3+=; 11...Qb7 12.Ng5 ed4 13.Qd4 Qc7 14.Rad1 Ne5 15.f4+=) 12.bc6 Qc6 13.Bd3 Qb7 14.Qc2 ed4 15.Nd4+=; C) 11.d5 c5 12.b5 a6 13.Bd3 Qd8 14.Qc2 Nf8 15.Rfb1+=; D) 11.Qc2 a6 (11...Rb8 12.Rad1 a5 13.b5 Bb7 14.Qf5 Bc8 15.Rfe1+=; 11...a5 12.b5 Bb7 13.Rab1 c5 14.de5 de5 15.e4+=; 11...ed4 12.Nd4 Ne5 13.Rfd1 a6 14.e4 Rb8 15.b5+=; 11...Qb8 12.Rfd1 Qb7 13.b5 a6 14.Bd3 ab5 15.ab5+=; 11...Qb7 12.Rad1 e4 13.Ne4 Ne4 14.Qe4 d5 15.cd5+=; 11...Rd8 12.Rad1 Re8 13.e4 Qb7 14.b5 a6 15.bc6+=; 11...h6 12.a5 ba5 13.Ra5 d5 14.c5 Ng4 15.h3+=; 11...Bd8 12.Rfd1 Be7 13.e4 Rb8 14.Rab1 a6 15.b5+=; 11...Bf8 12.Bd3 Bb7 13.Rab1 ed4 14.Nd4 a6 15.Rfd1+=) 12.a5 ed4 13.ab6 Nb6 14.ed4 Bg4 15.Nd1=; E) 11.Rc1 Bb7 (11...Qb7 12.Qc2 Rb8 13.Rfd1 a6 14.b5 Ra8 15.Bd3+=) 12.b5 c5 13.d5 a6 14.Bd3 Bc8 15.Rb1+=; F) 11.Qb1 Bb7 (11...a6 12.Ne4 ed4 13.Nd4 Bb7 14.Nf6 Bf6 15.Nf5=; 11...a5 12.b5 c5 13.d5 Rb8 14.Qd3 Bd8 15.Nd2=; 11...Rb8 12.Rd1 ed4 13.Nd4 Ne5 14.b5 c5 15.Nf5+=; 11...ed4 12.Nd4 Ne5 13.f4 Neg4 14.Qd3 c5 15.Nc2=; 11...c5 12.bc5 bc5 13.de5 de5 14.Rd1 a6 15.Nd5+=) 12.a5 ba5 13.Ra5 c5 14.Nb5 Qb6 15.Nd6=; G) 11.Qd3 ed4 (11...a5 12.b5 ed4 13.ed4 d5 14.Rac1 cb5 15.Nb5+=; 11...d5 12.cd5 Nd5 13.Nd5 cd5 14.de5 Bb4 15.Rac1+/–; 11...Bd8 12.Qc2 Be7 13.a5 ba5 14.Ra5 d5 15.c5+=; 11...Ba6 12.b5 Bb7 13.Rfd1 e4 14.Ne4 Ne4 15.Qe4=; 11...Rb8 12.d5 a5 13.b5 Nc5 14.Qc2 cb5 15.Nb5=; 11...Bb7 12.a5 ba5 13.ba5 ed4 14.Nd4 Ne5 15.Qd2=; 11...a6 12.Rfd1 ed4 13.Qd4 a5 14.b5 Nc5 15.bc6+=; 11...Qb7 12.Qc2 a5 13.b5 cb5 14.Nb5 Qb8 15.Ng5+=; 11...Bf8 12.Ng5 h6 13.Nge4 Ne4 14.Qe4 Nf6 15.Qd3=) 12.Qd4 Ne5 13.Rfe1 Bg4 14.Ng5 Be2 15.Re2=; H) 11.a5 e4 (11...Rb8 12.ab6 Qb6 13.b5 cb5 14.cb5 e4 15.Nd2+=; 11...ba5 12.Ra5 c5 13.Nb5 Qb6 14.de5 de5 15.Ne5+=) 12.Nd2 d5 13.ab6 Qb6 14.b5 cb5 15.c5+=; I) 11.Qb3 a6 (11...a5 12.b5 c5 13.d5 h6 14.Rae1 Bb7 15.Qd1=; 11...Rb8 12.Rfe1 a6 13.Bd3 Bb7 14.b5 Rbc8 15.Ng5=; 11...ed4 12.Nd4 Ne5 13.f4 Neg4 14.Bf3 d5 15.Nc6=; 11...Qb7 12.Rfd1 a6 13.b5 Qc7 14.bc6 Qc6 15.e4+=; 11...Bd8 12.Qc2 Be7 13.a5 ba5 14.Ra5 d5 15.de5+=; 11...Bf8 12.Rfd1 Be7 13.a5 Rb8 14.ab6 Rb6 15.b5+=; 11...Nf8 12.a5 Bf5 13.Rfd1 e4 14.Nd2 Rab8 15.ab6+=; 11...Bb7 12.a5 Bc8 13.ab6 Qb6 14.c5 dc5 15.Bc4=; 11...h6 12.a5 ba5 13.Ra5 Rb8 14.Rfa1 a6 15.b5+=) 12.a5 Rb8 13.ab6 Qb6 14.b5 cb5 15.cb5+=; J) 11.e4 d5 (11...c5 12.bc5 dc5 13.de5 Ne5 14.Nb5 Nf3 15.Bf3+/–) 12.ed5 ed4 13.Nd4 cd5 14.Nd5 Nd5 15.Nb5+/–.

10.a4 Rb8 A) 11.Qc2 a6 (11...a5 12.b5 ed4 13.Nd4 Ne5 14.Rad1 Bd7 15.f4+=; 11...ed4 12.Nd4 Ne5 13.a5 Bg4 14.e4 Be2 15.Nce2+=; 11...b6 12.Rad1 a6 13.e4 ed4 14.Nd4 Bb7 15.Rfe1+=; 11...Qd8 12.Rfd1 Qc7 13.a5 b6 14.a6 Ra8 15.b5+/–; 11...h6 12.a5 b6 13.a6 ed4 14.Nd4 Ne5 15.Rfd1+=; 11...Kh8 12.Rfd1 ed4 13.Nd4 a5 14.Nf5 Ne5 15.Ne7+=; 11...Rd8 12.Rfd1 a5 13.ba5 Qa5 14.c5 ed4 15.cd6=; 11...Bd8 12.a5 e4 13.Nd2 d5 14.cd5 cd5 15.Rfc1+=) 12.Rad1 ed4 13.Nd4 d5 14.Qb3 dc4 15.Bc4=; B) 11.e4 d5 (11...ed4 12.Qd4 a5 13.b5 Nc5 14.Rad1 Bg4 15.Rfe1=; 11...a5 12.b5 c5 13.de5 Ne5 14.Re1 Bg4 15.Ne5+=; 11...Qb6 12.b5 a5 13.Rb1 ed4 14.Nd4 Bf8 15.bc6=; 11...b6 12.b5 a6 13.Qb1 c5 14.de5 de5 15.Nd5+=; 11...Ra8 12.Qd3 ed4 13.Qd4 Ne5 14.b5 Bg4 15.Nd2=; 11...Qd8 12.b5 Qa5 13.Qc2 ed4 14.Nd4 Ne5 15.f4+=; 11...a6 12.Rb1 b6 13.b5 ab5 14.cb5 c5 15.de5=; 11...Rd8 12.Qd3 a5 13.b5 Nh5 14.Bc1 ed4 15.Nd4+=) 12.de5 Ne5 13.c5 Nf3 14.Bf3 b6 15.ed5=; C) 11.Qd3 b6 (11...ed4 12.Qd4 a5 13.b5 Nc5 14.Rad1 Bf5 15.Qf4=; 11...d5 12.cd5 Bb4 13.dc6 bc6 14.Ne4 ed4 15.Nf6=; 11...a5 12.b5 ed4 13.Qd4 Nc5 14.Rad1 Bf5 15.Qf4=) 12.d5 a5 13.b5 Nc5 14.Qd1 cd5 15.cd5=; D) 11.Bd3 d5 (11...a5 12.b5 ed4 13.ed4 Nb6 14.Re1 Bg4 15.Rc1=; 11...ed4 12.Nd4 Ne5 13.Be2 a5 14.b5 c5 15.Nf3=) 12.cd5 Bb4 13.dc6 bc6 14.de5 Ne5 15.Qc2+=; E) 11.Qb3 ed4 12.Nd4 a5 13.Nf5 ab4 14.Qb4 b6 15.Ne7=; F) 11.b5 a6 (11...a5 12.Bd3 ed4 13.ed4 Nb6 14.Re1 Bg4 15.h3=; 11...e4 12.Nd2 d5 13.Ba3 Ba3 14.Ra3 c5 15.a5+=; 11...Ra8 12.Qc2 ed4 13.Nd4 Ne5 14.a5 Bd7 15.a6+=; 11...ed4 12.Nd4 Ne5 13.a5 Bg4 14.f3 Bc8 15.e4+=; 11...c5 12.de5 de5 13.Qc2 Bd6 14.Bd3 Nf8 15.Ne4+=; 11...Qa5 12.Qd2 Nb6 13.Nd5 Qd2 14.Ne7 Re7 15.Nd2+=; 11...Bd8 12.a5 Be7 13.e4 ed4 14.Nd4 Nc5 15.Qc2+=; 11...Bf8 12.Qc2 e4 13.Nd2 d5 14.Rfc1 Bd6 15.cd5+=; 11...h6 12.Qc2 ed4 13.Nd4 Ne5 14.a5 Bg4 15.e4+=) 12.a5 ab5 13.de5 Ne5 14.cb5 d5 15.Nd4=; G) 11.Rc1 b6 (11...Qb6 12.Ba3 a5 13.b5 c5 14.Bb2 Bd8 15.de5+=; 11...ed4 12.Nd4 a5 13.b5 Ne5 14.Qd2 Bg4 15.f3+=; 11...Ra8 12.Qc2 Rb8 13.Rfd1 ed4 14.Nd4 a5 15.b5+=; 11...e4 12.Nd2 d5 13.cd5 Bd6 14.Qb3 a6 15.h3+/–; 11...a6 12.Qc2 Qb6 13.b5 ed4 14.Nd4 Ne5 15.Rfd1+=; 11...a5 12.b5 ed4 13.Nd4 Ne5 14.Qd2 Bg4 15.f3+=; 11...h6 12.Qc2 ed4 13.Nd4 Ne5 14.Rcd1 a5 15.b5+=; 11...Qd8 12.Qd3 ed4 13.Qd4 a5 14.b5 Nc5 15.Rcd1+=; 11...Kh8 12.Re1 Kg8 13.Bd3 b6 14.Qc2 a5 15.b5+/–) 12.e4 Qb7 13.d5 c5 14.b5 Qc7 15.Rb1=.

10.a4 ed4 A) 11.Qd4 a5 (11...Ne5 12.Ng5 Bd7 13.Rad1 c5 14.bc5 dc5 15.Qf4+=) 12.b5 Nc5 13.Rad1 Bf5 14.Qf4 Bc2 15.Ra1=; B) 11.Nd4 Rb8 (11...a5 12.b5 Nb6 13.Qb3 Bg4 14.Rfd1 Rac8 15.Rac1=; 11...Ne5 12.Qb3 a6 13.b5 Nfd7 14.Ne4 Nf6 15.b6+=; 11...Qb6 12.b5 Ne5 13.a5 Qc7 14.f4 Neg4 15.Qd3+=; 11...a6 12.a5 c5 13.bc5 dc5 14.Nf5 Ne5 15.Ne7+=; 11...d5 12.cd5 Bb4 13.dc6 bc6 14.Rc1 Ne5 15.Qc2+=; 11...Qd8 12.b5 Ne5 13.f4 Neg4 14.Qd3 d5 15.cd5+=; 11...Nf8 12.a5 d5 13.cd5 Bb4 14.dc6 bc6 15.Qc2+=) 12.Nf5 Ne5 13.Ne7 Qe7 14.a5 d5 15.cd5=.

10.a4 Qd8 A) 11.Qc2 Qc7 (11...Rb8 12.Rfd1 Qc7 13.a5 b6 14.a6 Ra8 15.b5+=; 11...a6 12.Rfd1 a5 13.b5 Qc7 14.Rab1 ed4 15.Nd4+=; 11...a5 12.b5 ed4 13.Nd4 Qc7 14.Rad1 Nc5 15.Bf3+=; 11...h6 12.Rfd1 a5 13.b5 Qc7 14.Rab1 ed4 15.Nd4+=; 11...b6 12.Bd3 ed4 13.ed4 Bb7 14.Rfe1 d5 15.Qb3+=; 11...Kh8 12.Rfd1 ed4 13.Nd4 Ne5 14.a5 Qc7 15.e4+=; 11...Nf8 12.de5 de5 13.Rfd1 Qc7 14.b5 Ng6 15.Ne4+=; 11...ed4 12.Nd4 c5 13.bc5 Nc5 14.a5 Be6 15.Rfd1+=; 11...Rf8 12.Rfd1 ed4 13.Nd4 Re8 14.Nf5 a5 15.Ne4+/–) 12.a5 Rb8 13.Rfc1 ed4 14.Nd4 Ne5 15.Qd2=; B) 11.Qb1 ed4 (11...a5 12.b5 ed4 13.Nd4 c5 14.Nb3 Nb6 15.Rd1+=) 12.Nd4 Ne5 13.Rd1 Bg4 14.f3 Bd7 15.a5=; C) 11.b5 a6 (11...e4 12.Nd2 d5 13.Qb3 Qa5 14.Rfd1 Bb4 15.Nf1+=; 11...Qa5 12.Qd2 c5 13.Rfd1 cd4 14.ed4 Qc7 15.Rac1+=; 11...Qc7 12.Qc2 ed4 13.Nd4 Ne5 14.a5 Bd7 15.a6+=; 11...c5 12.de5 Ne5 13.a5 Be6 14.Qb3 Qc7 15.Rfd1+=; 11...ed4 12.Nd4 Ne5 13.a5 c5 14.Nb3 Be6 15.Nd2+=; 11...Rb8 12.a5 c5 13.de5 de5 14.Bd3 b6 15.ab6+/–) 12.Qc2 ed4 13.Nd4 Ne5 14.f4 Neg4 15.Qd3+=; D) 11.Qb3 b6 (11...ed4 12.Nd4 Ne5 13.Rad1 a5 14.b5 Qb6 15.Rd2+=; 11...a5 12.b5 ed4 13.Nd4 Qb6 14.Rad1 Nc5 15.Qc2+=; 11...Qc7 12.a5 Rb8 13.Rfd1 b6 14.ab6 Rb6 15.b5+=; 11...Bf8 12.de5 Ne5 13.Rfd1 Qe7 14.a5 Bg4 15.Ne5+=; 11...Rb8 12.Rfd1 Qc7 13.a5 ed4 14.Nd4 Ne5 15.b5+=; 11...Qb6 12.a5 Qc7 13.Rfd1 ed4 14.Nd4 Ne5 15.e4+=; 11...e4 12.Nd2 Bf8 13.f3 ef3 14.Rf3 a5 15.b5+=; 11...Ng4 12.a5 Qc7 13.Bd3 Ngf6 14.Rfe1 b6 15.a6+=; 11...Kh8 12.Rfd1 ed4 13.Nd4 c5 14.Nf5 cb4 15.Qb4+/–) 12.Rfd1 Qc7 13.a5 Rb8 14.ab6 Rb6 15.b5+=; E) 11.Bd3 ed4 12.Nd4 Ne5 13.b5 c5 14.Nf3 Nd3 15.Qd3+=; F) 11.a5 Rb8 (11...ed4 12.Nd4 Ne5 13.b5 c5 14.Nf3 Be6 15.Qb3+=; 11...e4 12.Nd2 d5 13.Qb3 Nf8 14.cd5 cd5 15.Rfc1+=; 11...Qc7 12.Qc2 Rb8 13.Rfc1 ed4 14.Nd4 Ne5 15.Rd1+=; 11...Bf8 12.Qb3 ed4 13.Nd4 c5 14.Nc2 cb4 15.Nb4+=; 11...Nf8 12.a6 ed4 13.Nd4 c5 14.ab7 Bb7 15.bc5+=) 12.Qb3 ed4 13.Nd4 c5 14.Nf5 cb4 15.Qb4+=; G) 11.Rc1 Rb8 (11...ed4 12.Nd4 Ne5 13.b5 Qb6 14.Qd2 Qc5 15.a5=; 11...e4 12.Nd2 Bf8 13.Qb3 Qe7 14.a5 b6 15.d5+=; 11...Qc7 12.Bd3 ed4 13.ed4 d5 14.Qb3 Qd6 15.c5+=; 11...Qb6 12.Qb3 c5 13.de5 de5 14.b5 e4 15.Nd2+=; 11...a6 12.Qb3 a5 13.b5 ed4 14.Nd4 Qb6 15.Rfd1+=; 11...b6 12.Re1 Bb7 13.Qc2 ed4 14.ed4 d5 15.Qb3+=; 11...h6 12.Bd3 ed4 13.ed4 c5 14.b5 a6 15.Re1+=; 11...a5 12.b5 e4 13.Nd2 d5 14.cd5 cd5 15.f3=; 11...Kh8 12.Qb3 Qc7 13.Rfd1 ed4 14.Nd4 a5 15.b5+=) 12.Qd3 Qb6 13.b5 ed4 14.Qd4 Nc5 15.Rcd1=; H) 11.Rb1 ed4 (11...e4 12.Nd2 d5 13.Qb3 Nb6 14.c5 Nbd7 15.b5+=; 11...Qc7 12.b5 e4 13.Nd2 d5 14.Qb3 Bd6 15.h3+=; 11...Qb6 12.b5 c5 13.de5 de5 14.Bd3 h6 15.Qc2+=; 11...b6 12.Qc2 Bb7 13.Rfd1 ed4 14.Nd4 c5 15.bc5+=; 11...a6 12.e4 b6 13.Qc2 Bb7 14.Rfd1 ed4 15.Rd4=; 11...Rb8 12.Qd3 Qb6 13.Bc1 a5 14.Ba3 Qc7 15.ba5+=; 11...a5 12.b5 ed4 13.Nd4 Qc7 14.Qd2 Nb6 15.bc6+=; 11...Bf8 12.Qb3 c5 13.bc5 ed4 14.Nd4 Nc5 15.Qc2+=) 12.Nd4 Ne5 13.f4 Neg4 14.Nc2 d5 15.cd5=; I) 11.Qd3 ed4 12.Qd4 c5 13.bc5 dc5 14.Qd3 Qc7 15.a5+=.

10.a4 e4 A) 11.Ne1 d5 (11...a5 12.b5 Nb6 13.Rc1 Rb8 14.d5 Bf5 15.Nc2=; 11...a6 12.Qb3 a5 13.b5 Nb6 14.Rd1 Bf5 15.f3=; 11...Rb8 12.d5 a5 13.b5 Qb6 14.Rb1 Ne5 15.Rc1=; 11...Qd8 12.d5 a5 13.dc6 bc6 14.b5 Rb8 15.Nc2=; 11...Rd8 12.d5 Ne5 13.a5 c5 14.b5 Re8 15.f3+=; 11...Qb6 12.b5 Qc7 13.Qc2 Bd8 14.a5 d5 15.Qb3+=) 12.cd5 Bb4 13.dc6 bc6 14.Qc2 Rb8 15.Ba3=; B) 11.Ng5 a5 (11...d5 12.cd5 cd5 13.Rc1 Qd8 14.Qb3 Rf8 15.f3=) 12.Nce4 h6 13.Nf6 Nf6 14.Nf3 ab4 15.Bd3=; C) 11.Nh4 d5 (11...Nf8 12.f4 d5 13.c5 b6 14.Rb1 Rb8 15.cb6+=; 11...Nb8 12.f4 Qd7 13.f5 d5 14.Qb3 Rd8 15.Rac1+=; 11...a5 12.b5 Nb6 13.f4 Be6 14.d5 cd5 15.cd5–/+) 12.c5 Nb8 13.f4 ef3 14.Nf3 Ng4 15.Qd2–/+; D) 11.Nd2 d5 12.cd5 Bb4 13.dc6 Qc6 14.Qb3 Bc3 15.Bc3+=.

10.a4 Nf8 11.b5 (11.Qd3 Bg4 (11...Be6 12.d5 Bg4 13.h3 Bd7 14.a5 Ng6 15.Rfd1+=; 11...Ng6 12.a5 ed4 13.Qd4 Ne5 14.Ng5 Bd7 15.Rfd1+=; 11...a5 12.b5 Ne6 13.Rad1 ed4 14.Nd4 Nc5 15.Qc2+=; 11...ed4 12.Nd4 Ng6 13.a5 c5 14.bc5 Ne5 15.cd6+/–; 11...Ne6 12.d5 Nd8 13.a5 Bg4 14.e4 Rc8 15.Qe3+=; 11...N8d7 12.Rfd1 ed4 13.Nd4 Ne5 14.Qd2 a5 15.b5+=; 11...Bd7 12.a5 e4 13.Ne4 Ne4 14.Qe4 d5 15.Qc2+/–; 11...b6 12.a5 ba5 13.Ra5 N8d7 14.Ra2 ed4 15.Qd4+=; 11...Qd8 12.a5 e4 13.Ne4 Ne4 14.Qe4 d5 15.Qc2+=) 12.Rfd1 a5 13.b5 Ne6 14.de5 de5 15.Ne4=; 11.Qc2 Bg4 (11...ed4 12.Nd4 Ne6 13.Nf5 a5 14.b5 Nc5 15.Bf3+=; 11...a5 12.b5 Ng6 13.Rfd1 ed4 14.Rd4 Bd7 15.Rad1+=; 11...Ne6 12.de5 de5 13.Na2 e4 14.Be5 Bd6 15.Bd6+=; 11...Ng6 12.a5 ed4 13.Nd4 c5 14.bc5 Qc5 15.Rfd1+=) 12.Rfd1 a5 13.b5 Ng6 14.Rab1 Rac8 15.h3=; 11.Bd3 Bg4 (11...a5 12.b5 Bg4 13.d5 cb5 14.cb5 Qc5 15.h3=; 11...Be6 12.Re1 Ng6 13.Rc1 Qb6 14.Qb3 c5 15.dc5+=; 11...Ng6 12.a5 Bg4 13.h3 ed4 14.ed4 Bf3 15.Qf3=; 11...N8d7 12.a5 d5 13.cd5 Bb4 14.dc6 bc6 15.de5+=; 11...ed4 12.Nd4 a5 13.b5 N8d7 14.Rc1 Ne5 15.Be2+=; 11...Ne6 12.d5 Nf8 13.a5 Bg4 14.h3 Bh5 15.a6+=) 12.h3 ed4 13.ed4 Bh5 14.d5 N6d7 15.Ne4=; 11.e4 ed4 (11...Ne6 12.Qd2 Nf4 13.Rad1 Ne2 14.Qe2 Bg4 15.h3=; 11...Ng6 12.Re1 Nf4 13.h3 ed4 14.Nd4 d5 15.cd5=; 11...a5 12.b5 Ne6 13.d5 Nf4 14.Rb1 Rb8 15.Bd3=; 11...Bg4 12.a5 Ne6 13.Nd2 Be2 14.Ne2 ed4 15.Nd4=; 11...N8d7 12.Qd3 ed4 13.Qd4 Ne5 14.Nd2 a5 15.b5+=) 12.Qd4 Ng6 13.Rae1 Nf4 14.Bd1 Qb6 15.Qb6=; 11.Qb1 Bg4 (11...a5 12.b5 Ng6 13.Qd3 Bg4 14.Rad1 Rac8 15.h3=; 11...Ne6 12.d5 Nf8 13.a5 Rb8 14.Qd3 Ng6 15.Ne4=; 11...ed4 12.Nd4 d5 13.cd5 Bb4 14.dc6 bc6 15.Rc1+=; 11...Ng6 12.Qd3 ed4 13.Qd4 Ne5 14.Ng5 Bd7 15.Rad1=; 11...Bd7 12.Qd3 a5 13.b5 ed4 14.Nd4 Ng6 15.Rad1+=; 11...Be6 12.a5 Rad8 13.b5 ed4 14.Nd4 d5 15.cd5+=) 12.Qd3 ed4 13.Nd4 Be2 14.Nce2 d5 15.Nf5=; 11.Rc1 Bf5 12.a5 Ng6 13.Ng5 Nd7 14.Nge4 ed4 15.Qd4=) 11...Ng6 (11...Bf5 12.a5 Ng6 13.a6 Rab8 14.ab7 Rb7 15.Qa4=; 11...Ne6 12.a5 ed4 13.Nd4 a6 14.b6 Qd7 15.Ne6+=) 12.a5 (12.Qd3 ed4 13.Qd4 Ne5 14.Nd2 b6 15.a5=) 12...Bf5 13.a6 b6 (13...Rab8 14.ab7 Rb7 15.Ra6+=) 14.bc6 (14.Rc1 c5 15.Re1+=) 14...Qc6 15.Nd2 (15.Nb5+=) 15...Nh4 16.d5 Qc8 17.Ba3 (better is 17.Kh1=) 17...Bh3!–/+ (worse is 17...Qa6 18.e4 Bd7 19.Bd6+/–) 18.f4 (18.gh3 Qh3) 18...Ng2 19.Rf3 Nh4 20.Rg3 ef4 21.ef4 Ng6 22.Nde4 Ne4 23.Ne4 Qd7 24.Ng5 (24.Bd3 Bh4–/+) 24...Bf6 25.Rh3 (25.Nh3 Ba1 26.Bg4 f5–+) 25...Re2! 26.Rf3?? (26.Qe2 Nf4) 26...Rae8 27.Rb1 (27.Ne6 Ba1 28.Qe2 fe6–+) 27...Bg5 28.fg5 (28.Qf1 Qg4 29.Rg3 Qf4 30.Qf4 Bf4 31.Rg2–+) 28...Qg4 29.Rg3 Qh4 0–1. Wolf – Kampfhenkel,Ulrich, corr DDR, 1980.

10.Qb1 A) 10...ed4 11.Nd4 d5 12.cd5 Bb4 13.Rc1 Bc3 14.dc6 Bb2+=; B) 10...Nb6 11.de5 (11.c5 Nbd7 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 e4=; 11.Rc1 Bg4 12.Qd3 ed4 13.Nd4 Be2 14.Nce2 d5=; 11.e4 Bg4 12.Qd3 ed4 13.Nd4 Be2 14.Nde2 d5=; 11.Bd3 Bg4 12.de5 de5 13.c5 Nbd7 14.Ng5 h6=; 11.Rd1 Bg4 12.de5 de5 13.c5 Nbd7 14.h3 Bh5=) 11...de5 12.c5 Nbd7 13.Ne4 b6 14.Bc4 b5=; C) 10...a5 11.b5 (11.a3 ed4 12.Nd4 Ne5 13.f4 ab4 14.ab4 Ra1=; 11.ba5 Ra5 12.Rd1 ed4 13.Nd4 Ne5 14.f4 Neg4=) 11...ed4 12.Nd4 Ne5 13.Qc2 Bg4 14.f4 Be2=.

10.Qb3 Nf8 (10...ed4 11.Nd4 (11.ed4 Nb6 12.Rfe1 Be6 13.Bc1 d5 14.c5 Nc4=) 11...a5 12.a3 Ne5 13.Rfd1 Bg4 14.Bg4 Nfg4=; 10...a5 11.a3 (11.b5 ed4 12.Nd4 Nc5 13.Qd1 Nfd7 14.Nf5 Bf8=) 11...ed4 12.Nd4 Ne5 13.Rfd1 Bg4 14.Bg4 Neg4=) 11.b5 (11.Qc2 Ng6 12.Rfd1 Be6 13.a3 a5 14.b5 Rad8+=; 11.Rad1 e4 12.Nd2 Bf5 13.b5 c5 14.d5 N8d7+=; 11.Rfd1 e4 12.Nd2 Bf5 13.a3 a5 14.b5 Ne6+=; 11.e4 Bg4 12.d5 Ng6 13.h3 Bd7 14.Bc1 Rac8=; 11.de5 de5 12.Rfd1 e4 13.Nd4 Bd6 14.h3 Be5=; 11.Rae1 Bg4 12.h3 Bf5 13.Rd1 e4 14.Nd2 Bg6=; 11.a4 Bg4 12.h3 Bh5 13.Rfe1 a5 14.b5 Ne6=; 11.a3 Bf5 12.Rad1 a5 13.de5 de5 14.c5 Be6=; 11.Rfe1 e4 12.Nd2 Bf5 13.Rec1 a5 14.a3 N8d7=; 11.Qa4 Bg4 12.Qc2 Ne6 13.de5 de5 14.a3 a5=) 11...Ng6 (11...Bf5 12.Rad1 Ng6 13.Ng5 Ng4 14.Nge4 Rab8=) 12.a4 Bf5 (12...c5 13.de5 de5 14.Bd3 Bg4=) 13.a5 Qc8 (13...c5 14.b6 ab6=) 14.a6 (14.Rfd1 Qc7+=) 14...b6 (14...Rb8+=) 15.bc6 Qc6 16.Nb5 Nd7 17.Rfd1 Nh4?? (better is 17...Rec8+=) 18.Nh4+– (18.de5 Nc5 19.Qa3 de5 20.Nh4 Ne4 21.Qe7 Re7 22.Nf5 Ree8+–) 18...Bh4 19.d5 (19.Bf3!? d5 20.Bd5 Qg6 21.Ba8 Bc2+–) 19...Nc5 20.dc6 Nb3 21.Ra2 (21.Nd6!? Bc2 22.Ne8 Re8+–) 21...Bc2 22.Rd6 Be7 23.Rd7 Bb1 24.Nc7 Ba2 25.Na8 Bf6? (25...Ra8 26.Re7 Nc5 27.Be5 Bb1+–) 26.Ra7 Na5 27.Nb6 Nc6 28.Rc7 Nd4 (28...Nb4 29.a7 Bb1 30.Nc8+–) 29.Bd4 (better is 29.ed4 ed4 30.a7 Bb1+–) 29...ed4 30.a7 de3 (30...Bb1 31.Rb7 Be5+–) 31.Rc8 Rc8 32.Nc8 ef2 33.Kf1 Bc4 34.Bc4 1–0. Mueller,Klaus Detlef – Poenisch,Egmont, corr DDR, 1981.

10.b5 A) 10...a6 11.a4 (11.Qd3 ab5 12.cb5 d5 13.de5 Ne5 14.Qd4 Bd6+= ; 11.Qc2 ed4 12.Nd4 Ne5 13.e4 ab5 14.cb5 Qb6= ; 11.bc6 bc6 12.Rb1 Rb8 13.Qc2 ed4 14.Nd4 Ne5=; 11.e4 ab5 12.cb5 d5 13.ed5 ed4 14.Qd4 Bc5=; 11.Bd3 ed4 12.Nd4 Ne5 13.Be2 ab5 14.cb5 d5=; 11.Qa4 Nb6 12.Qc2 cb5 13.cb5 e4 14.Nd2 d5=; 11.ba6 Ra6 12.Bd3 ed4 13.ed4 Ra5 14.Re1 d5=) 11...e4 12.Nd2 d5 13.bc6 bc6 14.Ba3 Ba3+=; B) 10...e4 11.Nd2 (11.Ng5 d5 12.cd5 cd5 13.Rc1 Qb8 14.Bh5 Rf8+= ; 11.bc6 bc6 12.Nd2 d5 13.c5 Rb8 14.Rb1 Rb7= ; 11.Ne1 d5 12.cd5 cd5 13.Rc1 Qa5 14.f3 ef3=) 11...d5 12.Rc1 Qb8 13.c5 Qc7 14.a3 Bd8+=; C) 10...c5 11.Rc1 (11.de5 Ne5 12.e4 a6 13.a4 Nf3 14.Bf3 Be6+= ; 11.Re1 cd4 12.ed4 e4 13.Nd2 d5 14.Nd5 Nd5= ; 11.Qd3 cd4 12.ed4 Bd8 13.Ng5 Nb6 14.Rfe1 ed4+=; 11.d5 Nb6 12.e4 a6 13.a4 Nbd7 14.Qd3 Qa5=; 11.a4 cd4 12.ed4 e4 13.Nd2 d5 14.cd5 Bd6=; 11.a3 cd4 12.ed4 e4 13.Nd2 d5 14.cd5 Bd6=) 11...ed4 12.ed4 a6 13.Re1 ab5 14.Nb5 Qc6+= ; D) 10...Qa5 11.Qc2 (11.Qd2 Qc7 12.Rfc1 a6 13.a4 b6 14.a5 ba5+= ; 11.a4 e4 12.Nd2 d5 13.Qc2 Bb4 14.Rfc1 Bd6+= ; 11.Qd3 a6 12.a4 ed4 13.ed4 Nb6 14.d5 cd5=; 11.e4 ed4 12.Nd4 Nc5 13.bc6 Nce4 14.Ne4 Ne4+=; 11.a3 cb5 12.Nb5 a6 13.Nc3 b6 14.de5 de5=; 11.Qe1 a6 12.a4 Bd8 13.Qd1 e4 14.Nd2 d5+=; 11.Rc1 a6 12.a4 ab5 13.ab5 Qc7 14.Qc2 ed4+= ; 11.Re1 e4 12.Nd2 d5 13.c5 Qc7 14.Qa4 cb5=; 11.Qb1 a6 12.a4 Qc7 13.Rd1 ed4 14.Nd4 Ne5+=) 11...cb5 12.cb5 a6 13.Rfc1 b6 14.Ne4 ab5+=; E) 10...Rb8 11.Qb1 (11.Qc2 a6 12.Rac1 Ra8 13.a3 ed4 14.Nd4 Ne5+= ; 11.Rc1 a6 12.Qc2 ed4 13.Nd4 Ne5 14.Rfd1 Ra8+= ; 11.e4 Nb6 12.Qb3 Be6 13.Rad1 Nfd7 14.a4 cb5=; 11.Qd3 ed4 12.Qd4 Nc5 13.e4 Bf8 14.Nd2 Be6=; 11.Rb1 e4 12.Nd2 d5 13.c5 b6 14.cb6 Qb6=; 11.a4 e4 12.Nd2 d5 13.Ba3 Ba3 14.Ra3 c5=; 11.Qb3 a6 12.a4 b6 13.Rfd1 Bb7 14.Rab1 Rbc8+=; 11.a3 e4 12.Nd2 d5 13.cd5 cd5 14.Rc1 Qa5=; 11.Qd2 Nb6 12.bc6 bc6 13.de5 de5 14.Nb5 cb5= ) 11...ed4 12.Nd4 Ne5 13.f4 Neg4 14.Qd3 Bd7+= ; F) 10...Qb6 11.Qc2 (11.a4 e4 12.Nd2 d5 13.bc6 bc6 14.Ba3 Ba3+= ; 11.Rb1 c5 12.Bd3 cd4 13.ed4 ed4 14.Nd4 Ne5= ; 11.e4 c5 12.de5 Ne5 13.Qc2 Nf3 14.Bf3 a6+=; 11.bc6 Qb2 12.cd7 Bd7 13.Qd3 Qa3 14.de5 de5+=; 11.Rc1 ed4 12.Nd4 Ne5 13.f4 Ng6 14.Qd2 a6=; 11.Bd3 ed4 12.Nd4 Ne5 13.a4 a5 14.Rb1 c5=; 11.Qd3 ed4 12.Qd4 Qd4 13.Nd4 Ne5 14.Rfd1 Bg4=) 11...Qc7 12.Rfd1 a6 13.a4 ab5 14.ab5 Ra1+=; G) 10...a5 11.Qc2 (11.Rc1 ed4 12.Nd4 Ne5 13.f4 Ng6 14.Qd3 Bd7+= ; 11.a3 Nb6 12.Rc1 Bf5 13.bc6 bc6 14.c5 Nbd7= ; 11.Rb1 c5 12.de5 de5 13.Qc2 Rd8 14.Rbd1 a4+=; 11.Re1 ed4 12.ed4 Nb6 13.Bd3 Bg4 14.h3 Bh5+=; 11.e4 a4 12.a3 ed4 13.Qd4 Nc5 14.Rad1 Bf8=; 11.Qd2 a4 12.a3 Nb6 13.Rac1 Bf5 14.Rfd1 Rad8=; 11.Qb3 ed4 12.Nd4 Nc5 13.Qd1 Nfd7 14.Nf5 Bf8=; 11.a4 Nb6 12.Qc2 Bg4 13.c5 Nbd7 14.b6 Qb8=; 11.Qd3 a4 12.Rad1 ed4 13.Nd4 Ne5 14.Qd2 a3= ) 11...a4 12.bc6 bc6 13.Na4 Qa5 14.Nc3 ed4+/–; H) 10...h6 11.Re1 (11.Rb1 e4 12.Nd2 d5 13.Qb3 Bd6 14.h3 Qa5= ; 11.Qd3 ed4 12.Nd4 Ne5 13.Qd2 c5 14.Nb3 Be6= ; 11.e4 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 ed4=; 11.Rc1 a6 12.e4 c5 13.de5 de5 14.Qc2 ab5=; 11.a4 a6 12.Qd3 ed4 13.ed4 ab5 14.ab5 Ra1=; 11.a3 a6 12.bc6 bc6 13.Rb1 e4 14.Nd2 d5=; 11.Qc2 a6 12.Rfc1 ed4 13.Nd4 Ne5 14.e4 ab5=; 11.Qb1 ed4 12.Nd4 Ne5 13.f4 Ng6 14.Bd3 Nf8+= ; 11.bc6 bc6 12.Rb1 Rb8 13.Qc2 ed4 14.Nd4 Ne5= ) 11...e4 12.Nd2 d5 13.Rc1 Qa5 14.c5 Rb8+=; I) 10...Bf8 11.Qc2 (11.a3 a6 12.d5 Nc5 13.dc6 bc6 14.a4 Bb7= ; 11.Rb1 c5 12.de5 de5 13.Qc2 Bd6 14.e4 Nb6+= ; 11.a4 a6 12.Qc2 ed4 13.Nd4 Ne5 14.e4 Be7+=; 11.Rc1 a6 12.Qa4 e4 13.Nd2 Nb6 14.Qb3 ab5=; 11.Qb3 e4 12.Nd2 a6 13.a4 Qa5 14.Qc2 d5+=; 11.Qb1 e4 12.Nd2 d5 13.Rc1 Qa5 14.Qc2 Bd6+=; 11.e4 ed4 12.Qd4 Nc5 13.Nd2 a6 14.Rfd1 Qe7=; 11.bc6 bc6 12.Rb1 Rb8 13.Qc2 ed4 14.Nd4 Be7= ; 11.h3 Be7 12.Qc2 a6 13.a4 ed4 14.Nd4 Ne5+=) 11...cb5 12.Nb5 Qc6 13.Rad1 b6 14.Nd6 Bd6+/–; J) 10...ed4 11.Nd4 (11.Qd4 Ne5 12.Rfd1 Bg4 13.Ng5 Qb6 14.Qb6 ab6= ) 11...a6 12.a4 ab5 13.ab5 Ra1 14.Qa1 Ne5=.

10.Rc1 ed4 11.Nd4 Ne5 12.Qd2 Qb6 13.b5 Bg4 14.f3 Bd7 =.

10.Qc2 Qb6 11.a3 a5 12.c5 Qc7 13.de5 Ne5 14.Ne5 de5 =.

10.Qd3 a6 11.Rae1 b5 12.Rc1 a5 13.cb5 ab4 14.bc6 bc3 =.

10.Bd3 Rb8 11.a3 ed4 12.Nd4 Ne5 13.Be2 a5 14.f4 Neg4 =.

10.d5 A) 10...Qb6 11.Ba3 (11.dc6 bc6 12.a3 Rb8 13.Rb1 a5 14.Na4 Qc7= ; 11.a3 a5 12.Na4 Qc7 13.b5 Nb6 14.dc6 bc6=; 11.Qb3 a5 12.b5 Nc5 13.Qc2 Bg4 14.bc6 bc6=; 11.b5 Nc5 12.a4 Bf5 13.a5 Qc7 14.dc6 bc6=) 11...cd5 12.cd5 a5 13.b5 Nc5 14.Nd2 Qc7+=; B) 10...Nb6 11.e4 (11.Qd3 Bg4 12.e4 Rac8 13.h3 Bd7 14.Rfc1 Nh5= ; 11.a4 a5 12.b5 Rb8 13.e4 cd5 14.cd5 Nc4+=) 11...a5 12.b5 a4 13.Qd3 Bg4 14.Rab1 cd5+=; C) 10...a6 11.a3 (11.e4 a5 12.b5 a4 13.dc6 bc6 14.Ba3 Nb6=; 11.Qd3 Nb6 12.e4 Bg4 13.a4 a5 14.b5 Rac8+=; 11.Re1 a5 12.b5 Nc5 13.Rc1 Bf5 14.Na4 Nce4=; 11.Rb1 Nb6 12.Qd3 Bd7 13.e4 Rac8 14.Rfc1 c5=; 11.Qd2 Nb6 12.Qd3 Bg4 13.e4 Rec8 14.h3 Bd7=; 11.Rc1 Nb6 12.Qd3 c5 13.bc5 Qc5 14.Ng5 Nbd7=; 11.a4 c5 12.b5 Qa5 13.Bd3 Nf8 14.Nd2 Ng6+=; 11.Bd3 a5 12.b5 Nc5 13.e4 cb5 14.cb5 a4= ; 11.Qb1 Nb6 12.Qd3 Bg4 13.e4 a5 14.a3 Nh5=) 11...a5 12.Qd3 Qb6 13.Rfb1 ab4 14.ab4 Ra1+=; D) 10...Rb8 11.a3 (11.e4 Qb6 12.Qa4 a5 13.a3 Nc5 14.bc5 Qb2+= ; 11.Qd3 Qb6 12.a3 a5 13.Rfb1 Ra8 14.e4 ab4+= ; 11.Re1 Qb6 12.Qa4 Nf8 13.e4 Bd7 14.Qb3 Ng4=; 11.Qd2 Qb6 12.a3 a5 13.Rfb1 Ra8 14.dc6 bc6+=; 11.Rb1 Nb6 12.Qd3 Bg4 13.e4 Rbc8 14.h3 Bf3+=; 11.Bd3 a5 12.a3 Ra8 13.b5 Nc5 14.e4 Rb8=; 11.h3 Nb6 12.a4 a5 13.ba5 Nbd7 14.Ba3 Qa5=; 11.Qb3 a5 12.a3 Ra8 13.Rfd1 Nb6 14.dc6 Qc6=; 11.Kh1 a5 12.a3 Qb6 13.Qa4 Ra8 14.Rfb1 Qc7= ) 11...Nb6 12.Qd3 Bg4 13.e4 Rec8 14.Nd2 Be2+=; E) 10...Qd8 11.Rc1 (11.Rb1 a5 12.dc6 bc6 13.b5 Nc5 14.Ba3 Bf5= ; 11.Qd3 a5 12.a3 Qb6 13.Rfb1 cd5 14.Nd5 Nd5+= ; 11.e4 c5 12.a3 Qb6 13.Na4 Qc7 14.Qd3 Nh5+=; 11.dc6 bc6 12.a3 Rb8 13.Qc2 a5 14.b5 Qb6=; 11.Bd3 Qb6 12.a3 a5 13.Qa4 Ra7 14.dc6 bc6=; 11.a3 a5 12.Qd3 Qb6 13.Rfb1 ab4 14.ab4 Ra1=; 11.Qd2 Qb6 12.a3 a5 13.Rfb1 ab4 14.ab4 Ra1+=; 11.Qc2 Nb6 12.dc6 bc6 13.Bd3 a5 14.b5 cb5=; 11.Qb1 a5 12.b5 Nc5 13.Qc2 cb5 14.cb5 Bg4=) 11...c5 12.a3 Qb6 13.Qa4 a5 14.b5 Ra7+=; F) 10...Nf8 11.a3 (11.Qd3 Ng6 12.Rfd1 Bg4 13.a3 Rad8 14.h3 Bd7= ; 11.e4 Ng6 12.Bc1 Bg4 13.Qd3 Nh5 14.Qe3 Nhf4= ; 11.Rb1 Bg4 12.Qd3 Ng6 13.h3 Bd7 14.a3 Bd8=; 11.Bd3 Bg4 12.a3 N8d7 13.h3 Bh5 14.g4 Bg6=; 11.Re1 Ng6 12.Qd3 Bg4 13.h3 Bd7 14.a3 Qc8=; 11.a4 N8d7 12.a5 a6 13.dc6 bc6 14.b5 ab5=; 11.Qd2 Ng6 12.Qd3 Bg4 13.h3 Bd7 14.a3 Qb6=; 11.Rc1 Bg4 12.Qd3 Ng6 13.h3 Bd7 14.dc6 bc6= ; 11.dc6 bc6 12.a3 Rb8 13.Qd3 N8d7 14.Rfb1 a5= ) 11...Ng6 12.Qd3 Bd8 13.Nd2 Be7 14.Rfd1 c5+=; G) 10...cd5 11.cd5 (11.Nd5 Nd5 12.cd5 Qb6 13.a3 Nf6 14.Nd2 Bf5= ) 11...a5 12.Rc1 Qb6 13.Nb5 Rd8 14.a3 ab4=; H) 10...c5 11.a3 (11.Nb5 Qb6 12.a3 a6 13.Qa4 Nf8 14.Nc3 Bd7= ; 11.b5 a6 12.e4 Qa5 13.ba6 ba6 14.Qc2 Qc7= ) 11...a5 12.Qd2 Nb6 13.Nb5 Qd8 14.Qc2 cb4=; I) 10...h6 11.Qd2 (11.a3 Nb6 12.e4 a5 13.b5 Bd7 14.Qd3 Rec8+= ; 11.Qd3 Qb6 12.a3 c5 13.b5 a6 14.a4 Qa5=; 11.Rb1 cd5 12.Nd5 Nd5 13.cd5 a5 14.Qa4 Qd8=; 11.a4 a5 12.b5 Nc5 13.dc6 bc6 14.Qc2 Be6=; 11.Re1 a5 12.b5 Nc5 13.Rc1 Bf5 14.Na4 Nce4=; 11.Rc1 a6 12.a3 a5 13.b5 Nc5 14.Qc2 Bg4=; 11.e4 c5 12.a3 Qb6 13.Na4 Qc7 14.Qd3 Nh5+= ; 11.h3 a5 12.a3 ab4 13.ab4 Ra1 14.Qa1 Nb6= ; 11.Bd3 Nb6 12.Rc1 Bg4 13.h3 Bh5 14.a4 a5=) 11...Qb6 12.a3 c5 13.Rfb1 e4 14.Ne1 a5+=; J) 10...a5 11.b5 (11.a3 Nb6 12.Qd3 Bg4 13.e4 Nh5 14.ba5 Nd7= ; 11.dc6 bc6 12.b5 Nb6 13.Bd3 Rb8 14.Rb1 Bb7= ) 11...Nc5 12.Qc2 cb5 13.Nb5 Qb6 14.Ba3 Bd7=.

10.e4 c5 11.bc5 dc5 12.Nb5 Qc6 13.de5 Nh5 14.Bc1 Rd8+/– 15.Nc3 Nb6 +–.

10.Ng5 A) 10...a6 11.a3 (11.de5 Ne5 12.f4 Ng6 13.Qd4 b6 14.Rad1 Bb7= ; 11.Qd3 ed4 12.Qd4 Ne5 13.Rad1 Bg4 14.f4 Be2= ; 11.Rb1 b5 12.e4 a5 13.a3 ab4 14.ab4 h6=; 11.f4 ef4 12.Rf4 b5 13.cb5 ab5 14.Qc2 Qb6=; 11.Re1 d5 12.de5 Ne5 13.cd5 Bb4 14.Rc1 Neg4=; 11.Nf3 e4 12.Nd2 d5 13.Qb3 Qd6 14.c5 Qe6=; 11.Qd2 a5 12.b5 a4 13.Rab1 a3 14.Ba1 c5=) 11...b6 12.e4 Bb7 13.Nf3 c5 14.d5 cb4+= ; B) 10...a5 11.b5 (11.a3 h6 12.Nge4 ab4 13.ab4 Ra1 14.Ba1 Qb6= ) 11...ed4 12.Qd4 a4 13.Rad1 Nc5 14.Nge4 a3=; C) 10...h6 11.Nf3 (11.Nge4 Ne4 12.Ne4 a5 13.b5 a4 14.Rc1 a3= ) 11...e4 12.Nd2 d5 13.cd5 cd5 14.Rc1 Qb6=; D) 10...b6 11.a3 (11.b5 ed4 12.Qd4 a6 13.Rad1 ab5 14.cb5 Bb7+= ; 11.e4 a6 12.d5 c5 13.a3 Qb7 14.Nf3 Qc7+=; 11.Qd3 ed4 12.Qd4 Bb7 13.b5 Ne5 14.f4 h6=; 11.d5 Bb7 12.dc6 Qc6 13.Bf3 Qc8 14.Bb7 Qb7+=; 11.Rc1 a6 12.a3 h6 13.Nge4 Ne4 14.Ne4 c5+=; 11.a4 h6 12.Nge4 Ne4 13.Ne4 a6 14.Bf3 Bb7=; 11.Rb1 h6 12.Nge4 Ne4 13.Ne4 Bb7 14.d5 a6= ; 11.Bf3 Bb7 12.a3 ed4 13.Qd4 Ne5 14.Be2 c5= ; 11.Qd2 h6 12.Nge4 Ne4 13.Ne4 Nf6 14.Bd3 a5=) 11...Rb8 12.e4 Qb7 13.Nf3 a5 14.d5 c5+=; E) 10...c5 11.a3 (11.Nb5 Qb8 12.bc5 dc5 13.de5 Ne5 14.Qc2 a6= ) 11...ed4 12.ed4 a5 13.Nb5 Qd8 14.bc5 dc5+=; F) 10...Nf8 11.Qd2 (11.a4 Ne6 12.Ne6 Be6 13.b5 Qa5 14.Qd3 Nd7= ; 11.Nge4 Bf5 12.Ng3 Bd7 13.a3 ed4 14.Qd4 Be6+= ; 11.a3 a5 12.Qd3 Ng6 13.Nf3 ed4 14.Nd4 Ne5=; 11.Qd3 Qb6 12.a3 ed4 13.ed4 Ng6 14.c5 Qd8=; 11.e4 Ng6 12.Qd2 Nf4 13.Rfe1 Ne2 14.Re2 Nd7+=; 11.Rb1 Ne6 12.Ne6 Be6 13.d5 Bf5 14.Bd3 e4=; 11.Rc1 Ne6 12.Ne6 Be6 13.d5 Bd7 14.e4 c5=; 11.Re1 Ne6 12.Nge4 Qb6 13.Nf6 Bf6 14.Qa4 Bd7=; 11.Bf3 Qb6 12.Qb3 Ne6 13.Ne6 Be6 14.Ne4 d5= ) 11...ed4 12.Qd4 a5 13.b5 a4 14.a3 Bf5+=; G) 10...Rb8 11.Qd3 (11.Rb1 d5 12.a3 h6 13.Nf3 dc4 14.Bc4 e4= ; 11.Rc1 a5 12.b5 ed4 13.Qd4 Nc5 14.Rcd1 Bf5= ; 11.b5 a6 12.Qd3 ab5 13.cb5 d5 14.de5 Ne5=; 11.de5 de5 12.c5 h6 13.Nge4 Rd8 14.Qc2 a5=; 11.a3 Ra8 12.Qd3 ed4 13.Qd4 Ne5 14.Rfd1 Bf5+=; 11.Qd2 Qb6 12.a3 ed4 13.ed4 d5 14.Rae1 a5=; 11.Re1 d5 12.de5 Ne5 13.cd5 Bb4 14.Qd4 Qa5=; 11.a4 a5 12.b5 Qb6 13.Nf3 c5 14.de5 de5+=; 11.h3 d5 12.a3 h6 13.Nf3 dc4 14.Bc4 e4= ) 11...Qb6 12.a3 a5 13.b5 ed4 14.ed4 h6+=; H) 10...Qb6 11.a3 (11.b5 ed4 12.Na4 Qa5 13.Bd4 Nc5 14.Nc5 dc5= ) 11...a5 12.de5 Ne5 13.Nce4 Rd8 14.b5 Ne4=; I) 10...Nb6 11.Rc1 (11.Qd3 h6 12.Nge4 Be6 13.Nf6 Bf6 14.d5 e4= ; 11.a3 h6 12.Nf3 Be6 13.Qb3 e4 14.Nd2 d5=; 11.a4 h6 12.Nf3 Be6 13.Qb3 e4 14.Nd2 d5=; 11.de5 de5 12.c5 Nbd5 13.Qb3 h6 14.Nf3 e4=; 11.c5 Nbd5 12.de5 de5 13.Qb3 h6 14.Nf3 e4=; 11.e4 ed4 12.Qd4 c5 13.bc5 dc5 14.Qd2 Bd7=; 11.Rb1 h6 12.Nf3 Bf5 13.Rc1 Be6 14.d5 Bf5=; 11.f4 ef4 12.ef4 Bf5 13.Re1 d5 14.c5 Nc4+=; 11.b5 c5 12.de5 de5 13.Qc2 h6 14.Nf3 Bg4=) 11...h6 12.Nge4 Ne4 13.Ne4 Bf5 14.Bd3 d5=; J) 10...ed4 11.Qd4 Qb6 12.Qb6 Nb6 13.Rfd1 Ng4 14.Nf3 Be6=.

7.Nc3 Re8

8.0–0 b6 9.d4 ed4 10.ed4 d5 11.Qb3 (11.Ne5 Bb7 12.b5 Bb4 13.Bf3 Ne5 14.de5 Bc3+=; 11.b5 Bd6 12.Qb3 a6 13.Rfe1 ab5 14.Nb5 Nf8=; 11.a3 c6 12.Re1 Bb7 13.cd5 cd5 14.Rc1 Bd6=; 11.Qa4 Bb7 12.Qb3 Nf8 13.cd5 a6 14.b5 Qd6+=; 11.c5 a5 12.c6 Nf8 13.b5 Ne6 14.Re1 Bd6=) 11...c6 12.Rfe1 Bb7 13.b5 cb5 14.cb5 Rc8+=.

8.0–0 b6 9.d4 ed4 10.Qd4 A) 10...c5 11.bc5 dc5 12.Qf4 Nh5 13.Qf5 Ndf6 14.Qc2 Bd6+= ; B) 10...Ne5 11.b5 (11.Ne5 de5 12.Qd8 Rd8 13.Bf3 Rb8 14.Rfd1 Bf5+= ; 11.a3 c5 12.Qd2 Bb7 13.Rfd1 a6 14.Ne5 de5= ; 11.Nd5 c5 12.bc5 bc5 13.Qf4 Ng6 14.Qg5 Nd5=; 11.Qf4 Ng6 12.Qd4 c5 13.bc5 dc5 14.Qd8 Rd8=) 11...c5 12.bc6 Nc6 13.Qf4 d5 14.cd5 Nd5+=; C) 10...Bb7 11.Rfd1 (11.Qf4 Ne5 12.e4 Ng6 13.Qe3 a5 14.b5 Ng4= ; 11.a3 Ne5 12.e4 a5 13.b5 Nf3 14.Bf3 Nd7+=; 11.Rad1 c5 12.bc5 bc5 13.Qf4 Rb8 14.Nb5 d5+=; 11.Nd5 c5 12.bc5 dc5 13.Qc3 Bd6 14.Rfd1 a6+=; 11.Qd1 Ne5 12.Rc1 c5 13.bc5 bc5 14.Rb1 Bf3=) 11...Rb8 12.Nd5 Ra8 13.a3 a5 14.Bd3 c5+=; D) 10...a6 11.Rfd1 (11.Nd5 c5 12.bc5 dc5 13.Qc3 Bf8 14.Rfd1 Nd5+= ; 11.Rad1 c5 12.bc5 bc5 13.Qf4 Rb8 14.Rb1 Qa5= ; 11.a3 Bb7 12.Rfd1 c5 13.Qf4 Qc7 14.Nh4 Ne5+=; 11.Qf4 Nf8 12.Nd4 Bb7 13.Qg3 Ng6 14.a3 Qd7+=) 11...Ra7 12.Nd5 Nf8 13.Bd3 Bb7 14.Bf5 Bc8+/–; E) 10...c6 11.Rfd1 (11.a3 Qc7 12.Rfd1 Ne5 13.Ng5 Bf5 14.b5 a6+= ; 11.b5 Bb7 12.bc6 Bc6 13.Rad1 Nc5 14.Nd5 Bd5+= ; 11.Rad1 Bb7 12.b5 Nc5 13.bc6 Bc6 14.Nd5 Bd5+=) 11...a6 12.a3 Qc7 13.Ne4 c5 14.Qd3 Ne4+=; F) 10...Nf8 11.a3 (11.Rad1 a5 12.b5 Ne6 13.Qd2 Nc5 14.Nd4 Bb7+= ; 11.Nd5 c5 12.bc5 dc5 13.Qc3 N8d7 14.Rfd1 Bb7+=; 11.Rfd1 Ne6 12.Qd3 a5 13.a3 c6 14.b5 Nc5+=; 11.Qd3 a5 12.a3 Ng6 13.Nd5 Nd5 14.cd5 Bf6+=; 11.Qd2 N8d7 12.Nd4 Bb7 13.Nf5 a5 14.b5 Nc5+=; 11.Qd1 N8d7 12.Nd4 Ne5 13.f4 Neg4 14.Qd3 c5+=) 11...Ne6 12.Qd3 Bb7 13.Nd5 a5 14.Qf5 Ra7+/–; G) 10...a5 11.b5 (11.a3 Ne5 12.Ne5 de5 13.Qd8 Rd8 14.Bf3 ab4+= ) 11...Nc5 12.Rad1 a4 13.Nd5 a3 14.Bc3 Nce4+=.

8.0–0 b6 9.d4 ed4 10.Nd4 Bb7 (10...Ne5 11.f4 Neg4 12.Qd3 c5 13.Nc6 Qd7 14.b5 a6+=) 11.Bf3 (11.Nf5 Bf8 12.a3 g6 13.Nd4 a5 14.Ndb5 Bg7=; 11.b5 a6 12.a3 Ne5 13.Nf5 Qd7 14.Qc2 c6=; 11.a3 a5 12.b5 Ra7 13.Nf5 Bf8 14.Nd5 g6+=) 11...Bf3 12.Qf3 (12.Nf3 Ne5 (12...a5 13.b5 Ne5+= 14.Nd5 Nd5+=) 13.Qe2 c6 14.Rfd1 Qc8=) 12...Ne5 13.Qe2 d5 (13...c5 14.bc5 dc5=) 14.cd5 (14.Nd5 Nd5=) 14...Nd5 (14...Bb4 15.Nc6 Nc6 16.dc6 Bc3 17.Bc3=) 15.b5+= Nc3 16.Bc3 Bf6 17.Rfd1 Qc8 18.Rac1 c5 (18...a6 19.a4+=) 19.bc6+/– Nc6 White gets strong play along the open c–file 20.Qb5 Nd4 21.Bd4 Qe6 22.Rc6 Qe7 (22...Qg4!? 23.f3 Qg5 24.Qg5 Bg5+=) 23.Bf6+/– gf6 24.Qf5 Rad8 25.Rdc1 Rd6 26.Rc7 Qe6 27.Qe6 Rde6 (27...fe6!? 28.Ra7 Rf8+/–) 28.Ra7+– R8e7 29.Rcc7 Rc7 30.Rc7 Rd6 31.g3 Rd2 32.Ra7 Rd1 33.Kg2 Ra1 34.a4 b5 35.a5 b4 36.Rb7 Ra5 37.Rb4 Kg7 38.Rg4 Kh6 39.h4 f5 40.Rg5 f6 41.Rg8 Ra4 42.Kf3 Kh5 43.Rd8 Kg6 44.Rd4 Ra5 45.g4 (45.Ke2!? Ra1+–) 45...fg4+/– 46.Rg4 Kf7 47.Rd4 Kg6 48.Kg4 h5 49.Kf3 Ra3 50.Rd8 Rb3 ½–½. Kulbacki,James – Geno,R, East Lansing ch–MI op, 1982.

7.Nc3 h6

8.d3 c5 9.b5 =.

8.d3 Nh7 9.0–0 Ng5 10.Ng5 Bg5 11.Bf3 Be7 12.a4 Nf6 13.a5 a6 14.d4 Rb8 15.Qd3 ed4 16.Qd4 Bf5 17.Rfd1 Qc8 18.Nd5 Qe6? 19.Nc7+– (19.Nc7 Qd7 20.Nd5+–) 1–0. guest3576 – guest7622, ICC, 2006.

8.d4 ed4 9.ed4 Re8 10.0–0 c5 (10...a5 11.b5=) 11.dc5 (11.a3 a5+=) 11...dc5= 12.b5 Nb6 13.Qd8 Rd8 14.a4 (14.Rfe1 Be6=) 14...Be6+= 15.Ne5 (15.Rfe1 Bf8+=) 15...Rd2 16.Ra2 (16.Rfb1!? Bf5 17.Bc1 Re2 18.Ne2 Bb1 19.Rb1 Na4 20.Bf4–/+) 16...Ne4! 17.a5?? (17.Ne4 Re2 Deflection) 17...Nc3–+ 18.Bc3 Ra2 (18...Ra2 19.Bf3 Nc4 20.Bb7 Rb8–+) 0–1. Trkn – Paula Warner, itsyourturn.com, 2000.

7.d3 c6

8.a3 Qc7 9.0–0 Re8 10.Qc2 Bf8 11.Nbd2 h6 12.h3 a6 13.e4 Be7 14.Nh4 (14.d4 Nh5+=) 14...Nf8 (14...Ne4!? 15.de4 Bh4+=) 15.Nf5 Ng6 16.Ne7 Qe7 17.Qd1 Nf4 18.Nf3 Be6 19.Nh2 (19.Re1 b5=) 19...Rad8 20.Bg4 (20.Nf3!?+=) 20...Ng4–/+ 21.Ng4 Qg5 22.f3 (better is 22.Bc1!?–/+) 22...h5 23.Nf2?? (better is 23.h4 Qh4 24.Ne3–+) 23...Qg2 0–1. GuestQFWW – GuestXSTT, freechess.org, 2017.

8.Nbd2 Qb6 9.Bc3=.

8.Nbd2 Nb6 9.a4 Bd7 (9...a5 10.ba5 Ra5 11.0–0=) 10.a5+= Nc8 11.0–0 a6 (11...Rb8 12.Bc3+=) 12.h3 (12.Qc2 b5+=) 12...Ne8 (12...Rb8!?+=) 13.Qc2+/– Bf6 (13...Nc7 14.d4 ed4 15.Bd3+/–) 14.Ne4 (14.c5 Be7+/–) 14...Bf5 (14...Be7 15.c5 f6 16.Qb3 Kh8 17.d4+=) 15.Nf6 (15.c5 Be4 16.de4 Qe7+/–) 15...Qf6 (15...Nf6 16.Nd2+/–) 16.Nh2 (16.c5 Qe6+/–) 16...Ne7 (16...Qg6 17.Kh1+=) 17.f4 (better is 17.e4 Bd7 18.f4+/–) 17...Qe6? (17...Qg6 18.Kh1 Be6 19.e4 ef4 20.Rf4+=) 18.fe5 (18.e4!? Bg6 19.f5 Bf5 20.ef5 Nf5+–) 18...de5+/– 19.Bg4 (19.e4!? Bg6 20.Bg4+/–) 19...Bg4 20.Ng4 (worse is 20.hg4 e4+=) 20...Ng6 21.Rf2 (21.d4 Nd6 22.Rac1 ed4 23.ed4 f5=) 21...Rd8= 22.Raf1 (22.Qc3 f6=) 22...Nc7 (22...Qd6!?=) 23.Qc3+= Ne8 24.Nh2 (24.Rd2 e4=) 24...e4 25.d4 b5? (25...f5=) 26.d5?? (better is 26.ab6 Rb8 27.c5+–) 26...cd5+= 27.cd5 (27.cb5!? Rc8 28.Qd2 ab5 29.Rd1–/+) 27...Rd5–/+ 28.Ng4 (28.Rd2 Rd2 29.Qd2 f5–/+) 28...Rd3 (28...f5 29.Nh2–+) 29.Qc5–/+ Rb3 (29...Nd6 30.Rf6 Qe7 31.Bd4–/+) 30.Qd4 (better is 30.Bd4–/+) 30...Rd3 31.Nh6?? (31.Qc5 Nd6–/+) 31...Kh8 (better is 31...gh6 32.Qc5 Rd5–+) 32.Rf7= Rd4?? (better is 32...Rf7 33.Nf7 Kg8=) 33.Rf8 Nf8 34.Rf8 1–0. GuestYYXX – GuestPTSL, freechess.org, 2016.

7.d3 d5

8.a3 A) 8...a5 9.c5 (9.b5 e4 10.Nd4 ed3 11.Bd3 Ne5 12.cd5=) 9...e4 10.de4 (10.Nd4 ab4 11.ab4 Ra1 12.Ba1=) 10...de4 11.Nfd2 ab4= 12.ab4=; B) 8...dc4 9.Ne5 Ne5 10.Be5 Qd5 11.Bc7 cd3 12.Bf3+=.

8.Qb3 dc4 A) 9.Qc4 Nb6 10.Qb5 a6 (10...Nfd5 11.a3 f6 12.Qa5=) 11.Qe5 Bb4+= 12.Nbd2+=; B) 9.dc4 e4 10.Nfd2 c5 11.b5 Bd6 12.Nc3=.

8.b5 dc4 9.dc4 e4 10.Nd4 Ne5 11.0–0 c5 12.bc6=.

8.b5 e4 9.de4 de4 10.Nd4 Ne5 11.0–0 c5 12.bc6=.

8.c5 a5 9.a3 e4 10.de4 de4 11.Nfd2 ab4 12.ab4=.

8.c5 e4 9.de4 (9.Nd4 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1=; 9.Nfd2 a5 10.a3 ab4 11.ab4 Ra1 12.Ba1=) 9...de4 10.Nfd2 (10.Nd4 a5 11.a3 ab4 12.ab4=) 10...Nd5 11.Qb3 (11.Ne4 Nb4 12.Qc1=) 11...N7f6= 12.Nc3=.

8.Nbd2 dc4 9.dc4 Bb4 10.Ne5? (better is 10.0–0–/+) 10...Ne5–+ 11.Be5 Re8 (11...Ne4 12.0–0 Nd2 13.a3–+) 12.Bd4?? (12.Bf6 Qf6 (worse is 12...gf6 13.Qc2+=) 13.Rb1 a5–+) 12...Be6 (better is 12...Ne4 13.0–0 Nd2–+ (13...Bd2?! 14.f3 Nc3 15.Qd2 Ne2 16.Qe2 Qd4 17.ed4 Re2 18.Rfe1 Re1 19.Re1–+)) 13.0–0 c5 14.Bf6 Qf6 (worse is 14...gf6 15.Ne4 Qe7 16.Qd6+=) 15.Nf3 Rad8 16.Qb3 h6 (better is 16...Bf5!?–/+) 17.a3= Bc3 18.Rac1 Bd2 19.Rc2 Ba5 20.Qb7 Bb6 21.Qe4?? (better is 21.Qc6+=) 21...Bf5–+ 22.Qf4 Bc2 23.Qf6 gf6 24.Ne1 (24.Ra1 Bc7–+) 24...Bg6 25.Bf3 Rd2 26.Bd5 Bd3 (26...Ra2 27.a4–+) 27.Nf3 (27.Nd3 Rd3 28.a4 Rb8–+) 27...Bf1 (better is 27...Ra2!? 28.Rc1–+) 28.Nd2 Bd3 29.e4 (29.g3 f5–+) 29...Kg7 (29...Ba5!? 30.Nf3–+) 30.f4 (30.f3 Bc7 31.g3 Be5–+) 30...Ba5 31.Nb3 (31.Nf1 Be4 32.Ng3–+) 31...Bb6 (better is 31...Bc3!? 32.Kf2 Be4 33.Be4 Re4 34.h3–+) 32.Nd2 Bc7 33.g3 Rb8 (33...Ba5 34.Nb3 Bc3 35.Kg2 Be4 36.Be4 Re4 37.Nc5 Rc4 38.Nb7–+) 34.Kf2 Rb2 35.Ke3 Bc2 36.f5 (36.Nf3 Bd1 37.Nh4 Ba5–+) 36...Ba5 37.h3 (37.Nf3 Bd1 38.e5 fe5–+) 37...Bd2 (better is 37...Bd1 38.Nf1–+) 38.Kd2 Be4 39.Kc3 Rc2 40.Kb3 Re2 41.Kc3 (41.Be4 Re4 42.h4 Re3 43.Ka4 Rg3–+) 41...Bd5 (better is 41...Bf5 42.g4 Be6 43.Bc6–+) 42.cd5 Kf8 43.Kd3 (43.Kc4 Re3 44.a4 Rg3 45.Kc5 Rh3–+) 43...Ra2 44.Kc4 Ra3 45.Kc5 Rg3 46.Kc6 (46.h4 a5 47.Kb5 Rd3–+) 46...Ke8 47.d6 (47.h4 a5 48.Kb5 Rf3 49.Ka5 Rf5–+) 47...Kd8 (47...Kd8 48.h4 Rg4–+) 0–1. GuestDPKR – Atyeo, freechess.org, 2017.

8.cd5 Bb4 9.Nbd2 Re8 10.e4 Qe7 11.0–0 b6 12.Nc4 e5 becomes the focus of attention 12...Bd6 13.Nd6 cd6 14.Rc1 Ba6 15.Qa4 Nc5 (better is 15...Bc8!?+=) 16.Rc5!+/– Bd3 (16...bc5 17.Qa6 Remove defender; 16...dc5 17.Qa6 Remove defender) 17.Bd3 bc5 18.Nd2 Rab8 19.Bc3 Nh5 20.g3 Nf6 21.Nc4 Nd7 (better is 21...Nh5!?+/–) 22.Qc6+– Nb6 23.Qd6 Na4? (23...Nc4 24.Qe7 Re7 25.Bc4 Rb6+–) 24.Qe7 Re7 25.Ba1 (25.Be5 Rd8+–) 25...Nb6 26.Na5 Rc8 27.Rc1 f6 28.Nc6 Rd7 29.Rc5 Kf7 30.Rc2 Ke8 31.Bb5 Kf8 32.Kf1 (32.Bb2 Kg8+–) 32...Rdc7 (32...Nd5 33.ed5 Rd5 34.Be2+–) 33.Bc3 Kf7 (33...g5 34.Bb4 Kg7 35.d6+–) 34.Ba5 Kg6 (34...g6 35.Ba6 Ke8 36.Bc8 Rc8 37.f4+–) 35.Bb6 ab6 36.a4 Kg5 37.f3 (37.d6 Rd7 38.Rd2 Rf8+–) 37...h5 (37...Rf8 38.d6 Rd7 39.Rd2+–) 38.h4 Kh6 39.Rd2 Rd7 40.Ke2 Rd6 41.f4 (better is 41.Ne7 Rcd8 42.Nf5 Kh7+–) 41...ef4 42.gf4 g5 (42...Rf8 43.Ne7 g6 44.Rc2+–) 43.fg5 (better is 43.Ne7 Rdd8 44.Nc8 Rc8+–) 43...fg5 44.hg5 Kg5 45.e5 Rh6 (45...Re8 46.Kd1 Rh6 47.d6+–) 46.Ke3 White intends d6 46...h4 (46...Rf8+–) 47.Rg2 Kh5 (47...Kf5 48.Bd3) 48.d6 (48.Be2) 48...h3 (48...Rh7 49.e6 h3 50.Rh2+–) 49.Rh2 (better is 49.Be2 Kh4 50.Rg4 Kh5+–) 49...Kg4 50.d7 Rch8 51.d8Q Rd8 52.Nd8 Kg3 53.Rh3! Rh3 (53...Kh3 54.Bd7 Decoy (54.e6 Passed pawn); 53...Rh3 54.e6 Passed pawn) 54.Ke4 (better is 54.e6 Kh2 55.Kd2 Rh7+–) 54...Rh8 (54...Rh1 55.e6 Rh7 56.Nf7 Rh4 57.Ke3+–) 55.Nf7 Rh7 (55...Rh4 56.Kd5 Rh5 57.Kd6+–) 56.e6 Rh4 57.Ke5 Kf3 (57...Rg4 58.e7 Rg8 59.e8Q Re8 60.Be8+–) 58.Kd5 (better is 58.Bc6 Kf2 59.e7 Rh3+–) 58...Ke3 59.e7 Rd4 60.Kc6 1–0. Fournier,Frederic (1775) – Rwlhenry (1745), Partie evaluee, 2007.

7.d3 h6

8.0–0 b6 9.Nbd2 Bb7 10.Qb3 c5 11.b5 Re8 12.Rfe1 Qc7 13.Nh4 Nh7 (13...d5 14.Nf5=) 14.Ndf3 (14.Nf5 Ng5+=) 14...Bf6 (14...g6 15.e4=) 15.Nf5 e4 (15...a6 16.ba6 Ra6 17.Nd2=) 16.Bf6 (16.Nd2 ed3 17.Bd3 Bb2 18.Qb2 Nhf6+=) 16...Ndf6 17.de4 Be4 18.N3h4 (18.Ng3 d5=) 18...Qd7 19.Bf3 (19.Bd3 d5=) 19...Bf3 (19...Bf5 20.Bc6 Qe6 21.Nf5 Qf5 22.Rad1–/+) 20.gf3+= Ng5 21.Rad1? Attacking the backward pawn on d6 (better is 21.Qd3!? d5 22.f4+=) 21...Nf3!–+ 22.Kh1?? (22.Nf3 Qf5 Deflection (22...Qf5 Overloading)) 22...Ne1 (better is 22...Nh4!? 23.Nh4 Qh3 24.Rg1–+) 23.Re1 Kh8 (23...g6 24.Rg1 Kh7 25.Ng3–+) 24.Rg1 (24.Rd1 d5! 25.Qc3 Re4 26.Rd5 Qe6–+) 24...Rg8 (24...g5!? 25.Qb2 Re5 26.e4 Ne4 27.f4 gh4 28.Nh4–+) 25.Qd1 (25.Rd1 Ne8–+) 25...g5 26.Nh6 gh4 27.Ng8 (27.Qf3 Qe6 28.Ng8 Rg8–+) 27...Rg8 28.Rf1 (28.Rg8 Kg8 29.Qe2–+) 28...Qh3 29.Rg1 Rg1 (better is 29...Ng4 30.Rg2 Qg2 31.Kg2 Ne3 32.Kf3 Nd1–+) 30.Kg1 Qg4 31.Qg4 Ng4 32.Kg2 (32.a4 Ne5 33.Kf1 Nc4–+) 32...Ne5 33.f4 Nc4 34.Kf3 (34.e4 Na3 35.Kf3 Nb5–+) 34...Na3 0–1. Goldmund,Heike – Higuita,Henry, FICGS, 2014.

8.0–0 Re8 9.a3=.

8.Nbd2 a6 9.0–0 b5 10.a3 c5 11.cb5 ab5 12.bc5 Nc5 13.d4 Na4 14.Qc2 Nb2 15.Qb2 ed4 (better is 15...e4 16.Ne1 Bd7=) 16.Nd4+/– (16.Qd4?! Bd7+=; 16.Bb5?! de3 17.fe3 d5=; 16.Qb5? Ba6 17.Qa6 Ra6 18.Ba6 de3 19.fe3 Qb6–+) 16...Bg4 17.Bg4 Ng4 18.Qb5 Bf6 19.N2f3 Qe7 20.h3 Ne3? (better is 20...Ne5 21.Nd2 Nd7+/–) 21.fe3?? (better is 21.Rfe1 Bd4 22.Nd4+–) 21...Qe3–/+ The isolani on a3 becomes a target 22.Kh1 Bd4 23.Nd4 Qd4 24.Rfd1 Qe5 25.Qc6 Rac8 (better is 25...Rfd8!?–/+) 26.Qd6= Qc3 27.Qb4 Qg3 28.Qb2 Rb8 29.Qa2 Rfe8 30.Rf1 Re6 31.a4 Reb6? (better is 31...Rbe8!?=) 32.Qf7+/– Kh8 33.a5 Rb2 34.Qf3 Qg6 35.a6 R2b3?? (better is 35...Qe8+–) 36.Qf7 (36.a7 Kh7+–) 36...Qb6 (36...Qf7 37.Rf7 Rb1 38.Rb1 Rb1 39.Kh2 Kh7+–) 37.a7 Ra8 38.Qf8!! Rf8 39.Rf8 Kh7 40.a8Q Rb1 41.Rb1 Qb1 42.Kh2 Qb4 (42...Qd3 43.Rh8 Kg6 44.Qe8 Kg5 45.Qe5 Qf5 46.Qg7 Kf4 47.Qd4 Qe4 48.Rf8 Kg5 49.Qg7 Qg6 50.Qe5 Qf5 51.Qf5 Kh4 52.g3) 43.Rh8 Kg6 44.Qc6 (44.Qe8 Kg5 45.Qe5 Kg6+–) 44...Kf7 (44...Kg5 45.Qd5 Kf6 46.Qd8 Kg6 47.Qe8 Kg5 48.Qe5 Kg6 49.Rd8+–) 45.Qe8 Kf6 46.Rf8 Kg5 47.Qe5 Kg6 48.Qe8 (48.Qf5) 48...Kg5 49.Rf3 (49.Qe3 Kg6 50.Qe6 Kh5 51.Rf5 g5 52.Qf7 Kh4 53.g3) 49...Qd6+– 50.Rg3 Kh4 (50...Kf5+–) 51.Qe4 Kh5 (51...Qf4 52.Qf4 Kh5 53.Qg4) 52.Qg4 1–0. Fournier,Frederic (1695) – inspiracion, Active, 2007.

7.d4 c6

8.0–0 a5 A) 9.de5 de5 10.Ne5 Ne5 11.Be5 ab4 12.Qb3 Qa5 (12...Bg4+= 13.Bg4+=) 13.Bb2= (13.Qb2=); B) 9.ba5 B1) 9...e4 10.Nfd2 Qa5 11.Qc2 (11.Nc3 d5 12.Qc2 Bd6 13.cd5=) 11...d5 12.Nc3 (12.Nb3 Qb6 13.Nc3=) B11) 12...Re8 13.c5= (13.cd5=); B12) 12...Nb8 13.c5=; B2) 9...Qa5 B21) 10.Nc3 Re8 11.Rb1 Nb6 (11...ed4 12.Nd4 Ne5 13.Qb3=) 12.e4 Bg4 (12...Na4 13.Na4=) 13.Ba1=; B22) 10.Qb3 ed4 11.Bd4 Nc5 12.Qb2 b6 13.Nbd2=; C) 9.b5 C1) 9...e4 10.Nfd2 cb5 11.cb5 d5 (11...Nb6 12.Nc3 d5 13.Rc1=) 12.Ba3 (12.Nc3 Re8 13.Rc1=) C11) 12...Nb6= 13.Nb3= (13.Be7=); C12) 12...a4 13.Be7=; C2) 9...cb5 10.cb5 e4 11.Nfd2 d5 (11...Re8 12.Ba3 b6 13.Nc3=) 12.Ba3 a4 (12...Nb6 13.Be7=) 13.Qc2=.

8.0–0 e4 9.Nfd2 d5 A) 10.cd5 cd5 A1) 11.b5 a6 12.Nc3 ab5 13.Bb5=; A2) 11.Qb3 Nb6 12.a4 Bg4 (12...Be6= 13.a5=) 13.Bg4=; A3) 11.Ba3 Nb6 12.b5 Be6 13.Qb3=; B) 10.a3 a5 11.b5 cb5 12.cd5 b4 13.ab4=; C) 10.c5 C1) 10...b6 11.Nc3 Re8 12.a3 (12.Qc2 Rb8 13.a3=) 12...a5 (12...Rb8 13.Qc2=) 13.b5= (13.Qc2=); C2) 10...Qc7 11.Nc3 b6 12.Qc2 Qb7 13.a3=.

8.de5 de5 9.Qb3 (9.c5 Qc7 10.Qa4 Rd8 11.0–0 e4 12.Nd4 a5=) 9...Qc7 (9...e4 10.Nfd2 a5 11.a3 c5 12.b5 Bd6=) 10.0–0 (10.a3 a5 11.Nc3 ab4 12.ab4 Ra1+=) 10...Bd6 (10...c5 11.a3= (11.b5 Bd6 12.Nfd2 e4=) 11...a5 12.ba5 e4=; 10...a5 11.a3 ab4 12.ab4 Ra1=) 11.c5= Be7 12.Nc3 (12.Qa4 a5=) 12...b6 (12...a5=) 13.cb6 ab6 14.e4 Bb7 15.Nd2 (better is 15.Rfd1!?+=) 15...Qd6–/+ 16.Rfd1 Qb4 17.Qc2 b5 (17...Rfd8!?+=) 18.a4= Qc5 19.ab5 cb5 20.Bb5 Nb6 21.Qb3 Qb4 22.Qb4 Bb4 23.f3 Rfd8 24.Nb3 ½–½. Kucharkowski,Jens – Renitzsch, Freital, 1984.

6.Be2 e4

7.Nd4 Nc6 8.Nc6= bc6 9.Nc3 Rb8 10.Qa4 Bd7 11.b5 cb5 12.cb5 d5 13.Qa7 Ra8 (13...c5 14.bc6 Bc6 15.Nd1=) 14.Qd4+= Be6 (14...c5 15.bc6 Bc6 16.a4+=) 15.Na4 (15.d3 ed3 16.Bd3 Re8+/–) 15...Bd6 (15...Qd6 16.Rc1+=) 16.0–0 Be7 (better is 16...Qb8!? 17.Nc5 c6+/–) 17.Nc5+/– Qc8 18.Ne6 Qe6 19.a4 Bd6 (19...c6 20.Qe5 cb5 21.Qe6 fe6 22.ab5+–) 20.a5 Bc5?? (better is 20...Rfb8+–) 21.Qc5 1–0. Janek – Kevin, internet free game, 2017.

7.Ng1 d5 (7...Nc6; 7...a5) 8.a3 (8.c5 b6 9.Qc2 bc5 10.bc5–/+; 8.Qa4 dc4 9.Bc4 Nbd7 10.Bd4–/+) 8...dc4 9.Bc4 Nbd7 10.d4–/+.

7.Nd4 c5

8.Nb5 a6–/+ 9.N5c3 (9.Qa4 Nc6 10.a3 Bd7–/+) 9...cb4 10.Nd5 Nd5 11.cd5 Bf6 12.Qc2 (12.Qb3 Bb2 13.Qb2 Qa5–/+) 12...Nd7 (12...Bf5 13.Qb3 a5 14.a3–/+) 13.0–0 (13.d4 ed3! 14.Bd3 Nc5 15.Bh7 Kh8–+) 13...Bb2 (13...Nb6 14.d4 ed3 15.Bd3 Bb2 16.Qb2 Nd5 17.Rd1–/+) 14.Qb2 Qf6 (14...Qa5–/+) 15.Qf6? (better is 15.Qb4!? Nc5 16.Nc3+=) 15...Nf6–+ (15...gf6?! 16.d3 f5 17.Rd1+=) 16.Bc4 (16.d3 Bf5–+) 16...b5 17.Bb3 Bb7 18.a3 (18.f3–+) 18...ba3 19.Na3 Bd5 (19...b4 20.Nc4 Bd5 21.Ra4–+) 20.Bd5 Nd5 21.Nc2 (21.d3 ed3 22.Rfd1 Rfc8 23.Rd3 Rc5–+) 21...b4 (21...a5 22.Rfb1 b4 23.Nd4–+) 22.Nd4 1–0. Goldmund,Heike – Niglio,Biagio, FICGS, 2015.

8.Nc2 cb4 9.Nb4 Qa5 10.Qb3 A) 10...Qg5 11.Bf1 Nbd7 12.d4 ed3 13.Qd3 Ne5 14.Qd4 Nc6 15.Nc6=+; B) 10...Be6 11.Nc3 Qg5 12.Bf1 Nbd7 13.d4 Rfc8 14.Rc1 Rc7 15.a4=+.

8.Nc2 cb4 9.Nb4 Qa5 10.Nc2 A) 10...Qg5 11.0–0 d5 12.cd5 Nd5 13.f3 Bh3 14.Ne1 Nf6 15.Qb3=; B) 10...Be6 11.Nd4 Qg5 12.Bf1 Na6 13.Nc3 Nc5 14.Rb1 d5 15.cd5=+ ; C) 10...d5 11.cd5 Nd5 12.f3 Qb6 13.fe4 Qb2 14.ed5 Bf5 15.Nd4–/+.

8.Nc2 cb4 9.Nb4 Qb6 10.Bf6 Bf6 (worse is 10...gf6 11.Nd5 Qd8 12.Nbc3+– f5 13.d3 Bf6 14.de4 Bc3 15.Nc3+–) 11.Nd5 Qd8 12.Nf6 (12.Nbc3 Nd7 13.Nf6 Nf6 14.0–0 Bf5 15.f3=) 12...Qf6 13.Nc3 Qg6 14.Qc2 (14.Qb1 Re8 15.Bf1=) 14...Re8 15.h4 (15.g3+=) 15...Bg4 (better is 15...Qg2 16.Rf1 Bh3–/+) 16.h5= Qe6 17.Bg4 (better is 17.Qe4!? Qe4 18.Ne4 Re4 19.f3 Bf3 20.gf3+=) 17...Qg4+= 18.Nd5 Na6 (18...Qg2!? 19.0–0–0 Nd7+=) 19.h6= Nc5 20.hg7 Qg7 21.Qc3 Re5 22.Rh3 Kf8 23.Rg3 Rg5 24.Rg5 Qg5 25.Qh8 Qg8 26.Qf6 (26.Qg8 Kg8 27.f3 Kh8+=) 26...Qg6 27.Qh8 Qg8 28.Qg8 Kg8 29.Ne7 (29.f3 Kh8+=) 29...Kh8 (29...Kf8 30.Nf5=) 30.Nf5 (30.f3 Re8 31.Nf5 Rg8+=) 30...Rg8 31.Nd6 Rg2 32.Nf7 Kg7 33.Kf1 Rh2 34.Kg1 Rh5 35.Nd6 Kf6 36.Rb1 b6 1–0. Strukov,Vl – Nechiporuk, corr SU, 1977.

8.Nc2 cb4 9.Nb4 d5 10.Nd5= Nd5 11.cd5 Qd5 12.Nc3 Qe6 (12...Qc6 13.0–0=) 13.Qa4 (13.Qc2 Bf6 14.d3 ed3 15.Bd3+=) 13...Nc6 (better is 13...Bf6!?=) 14.Qe4+/– Qh6 15.Nd5 (15.Rd1 Bd7+/–) 15...Bd6 16.Rb1 Be6 17.Bc3 Rae8 (17...Rab8 18.Bc4 Rfd8 19.d3+/–) 18.Qd3+/– (worse is 18.Rb7 Bc8 19.Qb1 Qg5+=) 18...Be5 (18...Bd5 19.Qd5 Re7 20.Qh5+/–) 19.Rb7 Rd8 20.Be5 (20.Bf3 Bc3 21.dc3 Ne5 22.Ne7 Kh8+=) 20...Rd5 21.Bf4 g5 22.Qc3 Bc8? (better is 22...Nd8!? 23.e4 Nb7 24.ed5 gf4 25.de6 Qe6+/–) 23.Rc7+– Be6 (23...gf4 24.Rc6 Be6 25.e4+–) 24.Bg3 (worse is 24.Qc6 gf4 25.Bc4 Rdd8+–; worse is 24.Rc6 gf4 25.Bc4 Rdd8+–) 24...Nd8 25.0–0 f5 26.Bc4 f4 27.ef4 (27.Bd5?! fg3 28.Be6 Ne6 29.fg3 Rf1 30.Kf1 Nc7 31.Qc7 Qa6 32.Ke1 Qa2 33.Qd8 Kf7 34.Qg5 a5+–) 27...gf4 28.Bh4 Qh4 (28...Qg6 29.Bd5 Bd5+–) 29.Qg7 1–0. pierre – jesssy, internet, 2008.

8.Nc2 b6 9.b5 Bb7 10.0–0 Nbd7 11.Nc3 Ne5 12.Ne1 Qc7 13.Qb3 Rad8 14.d4 cd4 15.ed4 Ng6 16.d5 Nf4 17.g3 Ne2 18.Ne2 Rc8 19.Rc1 Nd7 20.f3 ef3 21.Nf3 Bf6 22.Bf6 Nf6 23.Qd3 Rfe8 24.Ng5 Re5 25.Nf3 Re4 Exerts pressure on the backward pawn 26.Nfd4 Rce8 27.Rf4 Rf4 28.Nf4 ½–½. Buss,Michael – Tew,Roland, USA corr, 1984.

8.Nc2 Nc6

9.b5 Nb4 10.Nb4 cb4 11.Qa4 Bf5 12.Qb4 d5 13.c5 (13.Qa4 dc4 14.Bc4 Bd7=) 13...b6 (13...Rc8 14.Qa4+=) 14.Bf6= Bf6 15.Nc3 Be7 16.Qd4 Be6 (16...Bf6 17.Qb4=) 17.c6+= Bf6 18.Qb4 Qc7 19.a4 Rfe8 20.0–0 Be5 21.h3 Bf6 22.d3 Qe5 (22...a5!? 23.Qb2 ed3 24.Bd3 Rad8+/–) 23.Rfc1 Qg5 24.Kf1 ed3 25.Bd3 Bc8 (25...Rac8!?+/–) 26.a5+– ba5 27.Ra5 (27.Qa5?! d4 28.ed4 Bd4+/–) 27...d4 (27...Be6+–) 28.b6 Be5 29.b7 (29.Ra7 Ra7 30.ba7 Bh3 31.gh3 dc3+–) 29...Bb7 (29...Rb8 30.Ne4 Qh6 31.Re5 Re5 32.Qd6 Qd6 33.Nd6 Rb7 34.cb7 Bb7 35.Nb7+–) 30.cb7 (30.Qb7 dc3 31.Rc3 Rab8 32.Qa7 Qd8 33.Re5 Re5+–) 30...Rab8 31.Ne4 Qh6 (31...Qd8 32.ed4 Qd4 33.Qd4 Bd4+–) 32.Re5! Re5 (32...Red8 33.Qa4 g6 34.Re8 Re8 35.Nf6 Kh8 36.Ne8 Qh4+–) 33.Rc8 Re8 34.Re8 (34.Re8 Re8 35.b8Q+–) 1–0. Fournier,Frederic (1740) – trev1 (1745), rated blitz game, 2002.

9.b5 Ne5 10.0–0 A) 10...Nd3 11.Bd3 ed3 12.Ne1 Bf5 13.Nc3 a6 14.a4 ab5 15.ab5 Ra1=; B) 10...Bf5 B1) 11.Nc3 Qa5 (11...Re8 12.Ne1 Qd7 13.f4 Ng6 14.d3 Qe6 15.de4 Ne4=; 11...Nd3 12.Bd3 ed3 13.Ne1 a6 14.a4 ab5 15.ab5 Ra1+=; 11...a6 12.Na3 Be6 13.ba6 ba6 14.d4 ed3 15.Bd3 Rb8–/+; 11...Qc7 12.Ne1 Qd7 13.f3 ef3 14.Nf3 Nd3 15.Ba3 Nb4=; 11...Qd7 12.Na3 a6 13.Na4 Qe6 14.Nb6 Rae8 15.Rb1 Bd8+=; 11...Qb6 12.Ne1 a6 13.f3 Be6 14.Qb3 ab5 15.Nb5 Qa5=; 11...Kh8 12.Ne1 Qd7 13.f3 ef3 14.Nf3 Nd3 15.Ba3 Nb4=) 12.Na3 a6 13.f4 ef3 14.Bf3 ab5 15.Ncb5 Nf3–/+; B2) 11.Nca3 Qc7 (11...Nd3 12.Bd3 ed3 13.f3 Qa5 14.e4 Be6 15.Re1 Nh5=; 11...Re8 12.Nc3 a6 13.Qb3 Qd7 14.f3 ef3 15.Bf3 Nf3+=; 11...Qa5 12.f3 Nd3 13.Bc3 Qc7 14.Bd3 ed3 15.e4 Bd7=; 11...Qd7 12.Nc3 a6 13.Na4 Qe6 14.Nb6 Rae8 15.Rb1 Bd8+=; 11...Qb6 12.Nc3 a6 13.Qb3 Be6 14.Nd5 Nd5 15.cd5 Bg4=; 11...a6 12.Nc3 Qd7 13.Na4 Qe6 14.Nb6 Rae8 15.Rb1 Bd8+=; 11...Rb8 12.Nc3 Qa5 13.Qc2 Rfe8 14.Rae1 a6 15.Rd1 ab5+=) 12.Nc3 Qa5 13.f4 ef3 14.Bf3 Qb4 15.Qb3 Bd3+=; C) 10...Be6 C1) 11.Nca3 a6 (11...Nd3 12.Bd3 ed3 13.Qb3 d5 14.Qd3 dc4 15.Qd8 Rfd8+=; 11...Re8 12.Nc3 a6 13.ba6 Ra6 14.Qc2 Qb6 15.Rfb1 Qc6=) 12.Qb3 Qa5 13.Rd1 Qb4 14.Nc3 Nd3 15.Bd3 ed3–/+; C2) 11.Nba3 Nd3 12.Bd3 ed3 13.Ne1 d5 14.Nd3 dc4 15.Nf4 Bd7=; D) 10...Bg4 11.Bc3 (11.f3 ef3 12.gf3 Bh3 13.Rf2 Nfd7 14.Bf1 Bh4 15.Be5 Bf2–/+; 11.Bg4 Nfg4 12.Nba3 d5 13.f4 Nd3 14.Bg7 Ngf2 15.Rf2 Nf2–/+) 11...Be6 (11...Be2 12.Qe2 Qd7 13.a4 Qe6 14.Be5 de5 15.a5 a6+=) 12.Nba3 a6 13.f4 ef3 14.Bf3 Nf3 15.Qf3 ab5+=.

9.b5 Ne5 10.d4 ed3 11.Bd3 Nd3 12.Qd3 d5 13.0–0 dc4 14.Qc4 Be6 15.Qe2 Nd5 16.Rd1 Bf6 17.Ne1 Qe7 18.e4 (18.Na3 a6+=) 18...Nf4 19.Qc2 Bb2 20.Qb2 Rfd8 21.Nc3 Qf6 22.a4?? (better is 22.Rd8 Rd8 23.Rc1+=) 22...Qc3!!–+ (22...Qc3 23.Rd8 Rd8 24.Qc3 Ne2 25.Kf1 Nc3–+) 0–1. Valles Calvo,Luciano (2010) – Cabo Calatayud,Vicente (2180), SEGUNDA AUTONOMICA NORTE, 2009.

9.b5 Ne5 10.d4 ed3 11.Bd3 Nd3 12.Qd3 d5 13.Nca3 Be6 14.Nd2 Qc7 15.0–0 Rad8 16.Nf3 dc4 17.Qc2 Rd3 18.Nc4 Bc4 19.Qc4 Rfd8 20.Rac1 b6 (20...Qd6 21.Qa4=) 21.Be5 Qd7 22.Bd4 cd4 23.Qd3 de3 24.Qe3 Bc5 25.Qb3 Ng4 26.Rcd1 Bf2? (better is 26...Qc7+–) 27.Kh1 Qc7 (27...Qe7 28.Rd8 Qd8 29.h3+–) 28.Qc4 Bc5 (28...Qc4?? 29.Rd8) 29.Qg4 Rd1 30.Rd1 1–0. Fournier,Frederic – fernandosolo (2080), Active echecs21.com, 2004.

9.b5 Ne5 10.d4 ed3 11.Bd3 Be6 12.Qe2 Qa5 13.Nd2 Rfd8 14.a4 Nd3 15.Qd3 d5–/+.

9.b5 Ne5 10.Be5 de5 11.0–0 (11.Nc3 a6 (11...Bf5 12.g4 Be6 13.h4 a6 14.g5 Ne8 15.ba6 Ra6+=) 12.0–0 ab5 13.Nb5 Bf5 14.Ne1 Qa5 15.f3 Rfd8–/+) 11...Qd6 (11...Qc7 12.Nc3 Be6 13.Ne1 Rad8 14.Qc2 Rd6 15.f4 ef4+=; 11...Bf5 12.a4 a6 13.f3 ef3 14.Bf3 ab5 15.Bb7 Bg4–/+) 12.h3 (12.d3 ed3 13.Bd3 Rd8 14.Be2 Qe6 15.Qc1 a6–/+) 12...Rd8 13.Qc1 (13.a4 a6 14.a5 ab5 15.cb5 Be6–/+) 13...Ne8 (13...a6 14.Rd1 ab5 15.cb5 Qe6–/+) 14.Rd1 (14.Qb2 Bf5 15.Nc3 Qg6–/+) 14...Qg6 15.Kh2 Bh4 (15...Be6–/+) 16.Rf1 f5 17.g3 Be7 18.Rg1 Qh6 19.Qf1 Nf6 20.f4 ef3! 21.Bf3 (21.Bf3 e4; 21.Qf3 Kh8) 21...Ng4 22.Kg2 e4 23.Be2 Ne5 24.Rh1 Bf6 25.a4 Nf3 26.Bf3 ef3 27.Qf3 Ba1 28.Na1 Qe6 29.Rc1 Qe5 (29...Rd3 30.a5–/+) 30.Nb3 (30.Rc3 a6 31.Nb3 ab5 32.ab5 Ra2–/+) 30...Qb2 31.Qd1 b6 32.Nc3 Bb7 33.Kg1 Be4 34.Ne4 fe4 35.Rb1 Qe5 36.Qg4 Rf8 (36...Rd3 37.Kg2–+) 37.Rf1 h5 38.Qg6 Rf1 39.Kf1 Rf8 (39...Rf8 40.Kg2 Rd8–+) 0–1. Miralles,Gilles – Giffard,Nicolas (2355), FRA–ch, 1982.

9.b5 Ne5 10.Be5 de5 11.Nc3 Bf5 12.g4 Be6 13.h4 Nd7 14.d3 (better is 14.Ne4!? Bh4 15.d3+=) 14...Qa5–/+ 15.Qd2 ed3 16.Bd3 Nb6 17.Ne4 Qd2 18.Nd2 Bg4 19.a4 a5 20.f3 Be6 21.Ke2 Rad8 22.e4 Rd7 23.Ne3 Rfd8 24.Nd5 Bd5 25.cd5 Nd5! 26.ed5 Rd5 27.Bh7 Kh7 28.Nc4 Rd4 29.Na5 Ra8 30.Nb7 Rd7 31.Nc5 Bc5 32.Rhc1 (32.a5 Bb4 33.a6 Rd2 34.Kf1 Rb2–+) 32...Bd4–+ 33.Ra2 Rda7 34.Rc4 Ra5 35.f4? (better is 35.Rb4–+) 35...Rb5! 36.Kd3 (36.ab5 Ra2 Pinning (36...Ra2 Deflection; 36...Ra2 Clearance)) 36...f6 (better is 36...Rb3!? 37.Ke4 Ra5 38.fe5 Be5 39.Rac2–+) 37.fe5 Be5 38.Rg2? (38.ab5 Ra2 39.Rb4–+) 38...Rb3 39.Ke4 (39.Ke2 Rab8 40.Rg1 Ra3–+) 39...Ra3 40.Kf5 R8a4 41.Ra4 Ra4 0–1. Holzschuh,Gerald (2150) – Isserman,Ryhor (2265), Frankfurt–ch, 2009.

9.bc5 dc5 10.0–0 Be6 (10...Bf5 11.f3+=) 11.Nba3 a6 (11...Qa5 12.Bc3 Qc7 13.Nb5+=) 12.f3 Qa5 13.fe4 Ne4 14.Nb1 (14.d4 cd4 15.ed4 Ba3 16.Na3 Nc3 17.Bc3 Qc3+=) 14...Rad8+= 15.Qc1 b5 (15...Qc7 16.d3 Nf6 17.Nd2+=) 16.d3 Nf6 17.Nd2 (17.cb5 ab5 18.Bf3 Qa6+=) 17...bc4 18.Nc4 Bc4 19.dc4 Ne4 (19...Rfe8 20.Bf3 Qc7 21.Rb1=) 20.Bf3 f5 21.a4 (21.g4 Nb4 22.Nb4 cb4 23.gf5 Qf5+=) 21...Bd6 (21...Qc7 22.Qe1–/+) 22.Qe1 (22.Be4 fe4 23.Rf8 Bf8–/+) 22...Qb6 (22...Qe1 23.Rae1 Rb8 24.Ba1+=) 23.Rb1+= Qc7 24.g3 Be5 25.Be4 fe4 26.Rf8 Rf8 27.Ba3 Na5 28.Qe2 Qc6 29.Rd1 Re8 30.Rd5 Bd6 31.Bb2 Bf8 32.Rf5 g6 (32...Rb8 33.Be5 Qd7 34.Bb8 Qf5 35.Bc7+=) 33.Rf1= Bg7 (33...Bh6 34.Bc3 Nb7 35.Qd2=) 34.Bg7 Kg7 35.Na3 Qa4 36.Qb2 Kg8 37.Qd2 Nc6 (37...Nb7 38.Qd5 Kh8 39.Nb1=) 38.Qd5 Kh8 39.Nb5 Ne5 (39...ab5 40.Qc6) 40.Nd6 Nf3 41.Rf3 ef3 42.Ne8 Qe8 43.Qc5 (43.Qf3?! a5=) 43...a5 44.Kf2 (44.Qa5?? Qe3 45.Kf1 Qe2 46.Kg1 Qg2) 44...a4 45.Qb5 Qa8 46.c5 a3 47.c6 a2 48.Qb2 Kg8 49.c7 Kf7 50.Qb3 Ke7 51.Qb4 Kd7 (51...Kf7!? 52.Qc4 Kg7 53.Qc3 Kf7+/–) 52.Qb8+– Qb8 53.cb8Q (53.cb8R?? a1Q 54.Rf8 Qh1 55.Rf3 Qh2 56.Kf1 g5–+; 53.cb8N?? Kc7–+) 53...a1Q 54.Qb7 Kd8 55.Qb6 Ke7+/– 56.Qc7 Kf6 57.Qd6 Kf7 58.Qd7 Kf8 ½–½. pierre – johannes10, internet, 2006.

8.Nc2 d5

9.bc5 Na6 10.cd5 Nc5 (worse is 10...Bc5 11.Ba6 ba6 12.Bf6 Qf6 13.0–0= (13.Qh5 Qb2 14.Kd1 Qf6 15.Ke1=) 13...Qg6 14.Ne1 Bf5 15.Nc3+=) 11.0–0 (11.Bf6 Bf6 12.Nc3 Qd6 13.Nd4 Be5 14.Nb3 Rd8 15.Rc1=) 11...Qd5 (11...Nd5 12.f3 Nd3 13.Bd4 Bd6 14.fe4 Qh4 15.e5+=) 12.f3 Rd8 13.fe4 Qe4 14.Nd4 (14.Nc3 Qg6 15.Nd4+=) 14...Nd3 (14...Qg6 15.Nc3+=) 15.Bc3 (15.Qb3=) 15...Qg6 16.Qb3 Nc5 17.Qc2 Nce4 18.Bb2 Bd6 19.Bf3 Bg4 20.Be4 Ne4 21.Nc3 f5 22.Qb3 Kh8 23.Ne4 fe4 24.Rf2 (24.Qb7? Rab8 25.Qa7 Rb2–+) 24...Rf8 25.Raf1 (25.Qb7 Rf2 26.Qa8 Rf8–+) 25...Rab8 (25...Rf2 26.Rf2 b6 27.Qd5=) 26.Nb5 Be7 27.Rf7 (27.Na7 Rf2 28.Rf2 Be6+=) 27...Be2 (better is 27...Be6!? 28.Bg7 Kg8 29.Bf8 Bb3 30.Rg7 Qg7 31.Bg7 Bc4–/+ (worse is 31...Ba2 32.Bd4+=)) 28.R1f2 Rf7 29.Qf7 Qf7 30.Rf7 Bf8 31.Na7 Bc4 32.Rf4 Bd3 33.a4 Kg8 34.Nb5 Ra8 35.Nc3 Bd6 36.Rf5 Rf8 37.Rf8 Kf8 38.Nb5 Bb8 39.Nd4 Kf7 40.Ba3 Bc7 ½–½. Bonetti,Shane (2125) – Loots,Friedhelm (1805), KO–39 ETC semi–final, 2006.

9.bc5 dc4 10.Bc4 A) 10...Nbd7 11.0–0 (11.d4 ed3 12.Qd3 Nc5 13.Qd8 Rd8 14.Nd4 Ng4 15.Nd2+=; 11.c6 bc6 12.d4 Rb8 13.Qc1 Qa5 14.Nc3 Nd5 15.Bd5–/+) 11...Nc5 12.Nd4 a6 13.a4 Nfd7 14.Nc3 Bd6 15.Qc2=; B) 10...Bc5 11.f3 (11.d3 Bg4 12.Qd2 Nc6 13.de4 Ne4 14.Qd8 Rad8 15.f3+=) 11...Bd6 12.d3 ed3 13.Qd3 Qe7 14.0–0 Nc6 15.Nd2+=.

9.bc5 Nbd7 10.0–0 Nc5 (10...dc4 11.Bc4 Nc5 12.Nd4 a6 13.a4 Nfd7 14.Nc3 Nb6 15.Be2=) 11.cd5 (11.Nd4 dc4 12.Bc4 Ng4 13.f4 Qb6 14.Qc2 Bf6 15.h3+=) 11...Nd5 12.f3 Nd3 13.Bd4 Bd6 14.fe4 Qh4 15.e5=.

9.bc5 Nbd7 10.c6 bc6 11.0–0 Rb8 12.Bd4 c5 13.Bc3 Nb6 14.Be5 Rb7–/+.

9.bc5 Nbd7 10.c6 bc6 11.0–0 Rb8 12.Bd4 c5 13.Bc3 Nb6 14.Be5 Nc4?? 15.Bb8+– 1–0. Pcmvr – Ssv, playchess.de, 2005.

9.bc5 Nbd7 10.c6 bc6 11.0–0 Rb8 12.Bd4 c5 13.Bc3 Nb6 14.Be5 Bd6 15.Bd6 Qd6 16.cd5 Nbd5 17.Nba3 Ba6 18.Bc4 Rfd8 19.Qe2 Bc4 20.Nc4 Qa6 21.Rfe1 Qe6 22.Rec1 Rb7 23.Rab1 Rb1 24.Rb1 Nd7 25.Rb5 N5b6 26.N2a3 h6 27.h3 Ne5 28.Ne5 Qe5 29.Nb1 Rd6 30.Nc3 Rd3 31.f4 ½–½. Pcmvr – ETC_Chess, playchess.de, 2005.

9.bc5 Nbd7 10.cd5 Nd5 11.f3 (11.0–0 Nc5 12.f3 Nd3 13.Bd4 Bd6 14.fe4 Qh4 15.e5=; 11.c6 bc6 12.Nc3 Rb8 13.Rb1 Nc5 14.Nd4 Rb6 15.Na4+=; 11.d4 ed3 12.Bd3 Nc5 13.Be2 Qb6 14.Bd4 Rd8 15.0–0+=; 11.d3 ed3 12.Bd3 Nc5 13.Be2 Be6 14.0–0 Rc8 15.Bf3+=) 11...f5 12.0–0 Nc5 13.Nd4 Qd6 14.fe4 fe4 15.Rf8=.

8.bc5 dc5

9.Nb3 b6 10.0–0 Nc6 11.f3 Bb7 (11...Be6 12.fe4 Ne4 13.Bf3+=) 12.fe4 (12.Nc3!? Nb4 13.fe4 Ne4 14.a3=) 12...Ne4= 13.a3 (13.Nc3 Nc3 14.Bc3 Bd6=) 13...Bf6 (better is 13...Bd6!? 14.Nc3 Qh4–+) 14.Bf6+= Nf6 (worse is 14...gf6 15.d3 Nd6 16.Nc3+=) 15.Nc3 Ne5 (15...Re8 16.Qe1+=) 16.d4= Ned7 17.d5 Ne5 18.Nd2 (18.Qe1 Qe7=) 18...Ba6 (better is 18...Qe7 19.Rf2 Rfd8=) 19.Nb5?? (better is 19.Qc2+=) 19...Bb5–+ 20.cb5 Qd5 21.Rf5 (21.Qc2 Qe6–+) 21...Qe6 (21...Rad8 22.Nf1–+) 22.Qf1 (22.Qc2 Rad8 23.e4 Qd6–+) 22...Rad8 23.Nc4 Nc4 24.Bc4 Qe3 25.Qf2 Qf2 (25...Qc3 26.Qf1–+) 26.Rf2 Ng4 (26...Rfe8 27.Raf1–+) 27.Rf3 (27.Rf4 Ne3–+) 27...Ne5 28.Rc3 Nc4 29.Rc4 Rd3 30.a4 (30.Ra4 Rd7–+) 30...Rfd8 31.Rf1 (31.Re4 Kf8–+) 31...Rd2 (31...f6 32.h3–+) 32.Rcf4 (32.Re1 f5–+) 32...f6 33.Re4 (33.h3 Kf7 34.Ra1 R8d3–+) 33...R8d4 (better is 33...Rc2 34.h4–+) 34.Rfe1 (34.Rd4 Rd4 35.Ra1–+) 34...Re4 35.Re4 Kf7 (better is 35...Rd4 36.Re7 Ra4 37.Kf2–+) 36.Re3 Rd4 (better is 36...Ra2 37.Re4 f5–+) 37.a5 (37.Ra3–+) 37...Rb4 38.ab6 (38.Rd3 Ke7–+ (worse is 38...Rb5 39.Rd7 Ke6 40.Rg7–+)) 38...ab6 39.Kf2 Rb5 40.Rd3 Rb2 41.Kf3 c4 42.Rc3 (42.Rd7 Kg6 43.Rb7–+) 42...b5 (42...b5 43.Rc1 f5–+) 0–1. GuestPKVH – GuestMTBS, freechess.org, 2017.

9.Nb3 Nc6 10.0–0 Nb4 11.Nc1 Be6 (11...Qd6 12.a3 Nc6 13.d3 ed3 14.Nd3 Rd8 15.Nc3 Bf5+=; 11...Bf5 12.a3 Nd3 13.Nd3 ed3 14.Bf3 Qb6 15.Bf6 Bf6+=; 11...Re8 12.a3 Nd3 13.Bd3 ed3 14.Qb3 Bf5 15.f3 Qb6+=; 11...Qd7 12.a3 Nd3 13.Nd3 ed3 14.Bf3 Qf5 15.Nc3 Bd6=; 11...Bd7 12.f3 Re8 13.Qb3 Bd6 14.a3 Nc6 15.Ra2 Na5+=) 12.Qb3 b5 13.Na3 Rb8 14.Be5 Bd6 15.Bd6 Qd6–/+.

9.Nb3 Nc6 10.0–0 Nb4 11.Bc3 Nd3 (11...a5 12.Nc1 Be6 13.f3 ef3 14.Rf3 Bg4 15.Rf4 Be2+=; 11...Bf5 12.Bb4 cb4 13.f3 Qc7 14.Nd4 Bg6 15.fe4 Ne4+=; 11...Re8 12.f3 Qd6 13.fe4 Ne4 14.Bf3 Ng5 15.Bb4 cb4+=; 11...Qc7 12.f3 Rd8 13.a3 Nc6 14.fe4 Ne4 15.Qc2 Nc3=) 12.Nc1 Be6 13.Qb3 Nc1 14.Rc1 Qd6 15.Qb2 Bf5+=.

9.Nb3 Nc6 10.0–0 Nb4 11.Nc3 Be6 (11...Nd3 12.Qc2 Nb2 13.Qb2 Bd6 14.f3 Qc7 15.h3 Bh2+=) 12.f3 ef3 13.Rf3 Nd3 14.Ba3 b6 15.Qf1 Ne5+=.

9.Nb3 Nc6 10.0–0 Nb4 11.f3 Nd3 12.Ba3 (12.Qc2 Nb2 13.Qb2 Bd6 14.Nc3 Qc7 15.h3 Be5+=) 12...ef3 13.Bf3 Qc7 14.Qe2 (14.Qc2 Ne5 15.Bb2 Nf3+=) 14...Rd8 15.Nc3 Be6 16.Nd5 Nd5 17.cd5 Bd5 18.Bd5 Rd5 19.Qf3 Qd6 (19...Rd7 20.Qf7 Kh8 21.Rab1–/+) 20.Qf7+= Kh8 21.Qf3 (21.Nc5 Rc5 22.Bc5 Nc5=) 21...Rd8 (21...Rf8!? 22.Qe2 Bf6–/+) 22.Nc5+= Nc5 23.d4 b6 24.dc5 Qe6 25.Rae1 Rd2 26.Re2 Rd1 (26...Bc5? 27.Rd2 Qe3 28.Qe3 Be3 29.Rdf2+–) 27.Ref2 Rf1 28.Rf1 Qa2 29.Qf7 Qa3 30.Qe7 Rg8 31.Rf8 Qc5 (31...bc5?? 32.Rg8 Kg8 33.Qe8) 32.Qc5 bc5 33.Rf4 (33.Rf7 Ra8+=) 33...Re8 34.Kf2 Rc8 (34...Kg8 35.Ke2 Rb8 36.Ra4 Rb2 37.Kf3+=) 35.Ke2 c4 (35...Kg8 36.Kd3–/+) 36.Kd2+= h6 37.Kc3 Re8 38.Kd2 c3! 39.Kd3 (39.Kc3 Re3) 39...Rc8 40.Kc2 g5 41.Rf7 (41.Ra4 Rc7=) 41...a5+= 42.Rf5 a4 43.Rd5 Kg7 44.Rd7 Kg6 45.g4 Re8 46.Rd6 Kg7 47.Rd7 (47.Rd3 Re4–/+) 47...Kf8 (47...Kf6 48.Rd6 Ke5 49.Ra6–/+) 48.Rd3+= Re4 49.h3 h5 (49...Ke7 50.Rc3 Kd6 51.Kd3=) 50.gh5 Rh4 51.Rd4 Rh3 52.Ra4 Re3 53.Rg4 Re5 54.Kc3 Kg7 55.Kd4 Ra5 56.Rg1 Rf5 (56...Kh6 57.Rh1=) 57.Ke4 (57.Rh1 Kh6+=) 57...Rf4 58.Ke3 Kh6 ½–½. Schwertel,Gottfried – Rosner,Dirk, email SOK–98–E004b, 1999.

9.Nb3 Nc6 10.a3 Bd6 11.d4 cd4 12.Nd4 Nd4 13.Qd4 Qc7 14.h3 Rd8 15.Qc3 Be6 16.0–0 Qc5 17.Nd2 Qg5 18.Kh1 Qh6 19.f4 Bh3 20.gh3 Qh3 21.Kg1 Bc5 0–1. algernon (2555) – rpatrick (2740), net–chess.com, 2014.

9.Nb3 Nc6 10.Nc3 Nb4 11.Nc1 Bf5 12.a3 Nd3 13.Nd3 ed3 14.Bf3 Rb8 15.Nd5 b5 (better is 15...Nd5!? 16.Bd5 b5=) 16.Be5+= (worse is 16.Ne7 Qe7 17.cb5 Rb5+=) 16...Rc8 17.Bf6 (17.cb5? Nd5 18.0–0 Be6–+; 17.Ne7?! Qe7 18.Bf6 Qf6 19.cb5 Rb8+=) 17...Bf6 18.Nf6 Qf6 19.cb5 c4 20.0–0 c3 21.dc3 Qc3 22.Bc6 (22.Qa4 d2+/–) 22...Rfd8+= 23.Ra2 a6 24.Bb7 Rc7 25.ba6 d2? (better is 25...Bc8+/–) 26.a7+– Rb7 27.Rd2!! Rd2 (27...Qd2 28.Qd2 Combination; 27...Rd2 28.a8Q Pinning) 28.a8Q (28.a8Q Qc8 29.Qc8 Bc8 30.Qd2+–) 1–0. MrkT – murrow, internet, 2005.

9.Nb3 Nc6 10.f3 A) 10...ef3 11.Bf3 Qd3 (11...Qd6 12.0–0 Ne5 13.Be5 Qe5 14.Nc3 Bd6 15.g3 Rd8+=; 11...Qc7 12.0–0 Ne5 13.Na3 Nf3 14.Qf3 Ng4 15.g3 Be6+=; 11...Bf5 12.Bc6 bc6 13.0–0 Bd3 14.Rf4 Rb8 15.Na3 Ne4=; 11...Nb4 12.0–0 Nd3 13.Bc3 Re8 14.Na3 Qd7 15.Nc1 Nb4=; 11...a5 12.0–0 a4 13.Nc1 Qb6 14.Bc3 Nd4 15.d3 Nf3=) 12.Bc6 bc6 13.Qe2 Bf5 14.Nc3 Rfe8 15.Nc1 Qd7+=; B) 10...a5 B1) 11.fe4 a4 12.e5 Nd7 13.Nc1 Nde5 14.0–0 Bf6 15.a3 Be6+= ; B2) 11.0–0 a4 12.Nc1 Qb6 13.Qc2 ef3 14.Rf3 Re8 15.Rf1 Bg4= ; B3) 11.Nc1 Qd6 (11...Bf5 12.0–0 Qb6 13.Qb3 Qb3 14.ab3 Nb4 15.Nc3 Rfd8=; 11...Be6 12.0–0 ef3 13.Rf3 Qd6 14.Rf4 Rfe8 15.d3 Nd4+=; 11...Qb6 12.Qb3 Qc7 13.0–0 a4 14.Qc2 ef3 15.Bf3 Rd8+=) 12.fe4 Ne4 13.0–0 Rd8 14.Qc2 Qg6 15.d3 Nb4+=; B4) 11.a4 ef3 (11...Bf5 12.0–0 Nb4 13.Ra3 Qc7 14.Nc3 ef3 15.Rf3 Bc2=) 12.Bf3 Bf5 13.0–0 Bd3 14.Be2 Nb4 15.Bd3 Nd3=; C) 10...Bf5 11.0–0 (11.fe4 Be4 12.0–0 Nb4 13.Nc3 Bc2 14.Qc1 Bg6 15.Na4 Rc8+=) 11...ef3 (11...Nb4 12.Nc3 ef3 13.Bf3 Bd3 14.Be2 Re8 15.Bd3 Nd3+=) 12.Rf3 Bg6 13.d4 Bd6 14.dc5 Be5 15.Qd8 Rad8+=.

9.Nb3 Bf5 10.Nc3 Qd7 11.h3 Nc6 (11...Rd8!?–/+) 12.g4= Bg6 13.h4 h6 14.g5 hg5 15.hg5 Nh7 16.Nd5 Ng5 17.d3 ed3 (17...Rfd8 18.Qd2+=) 18.Bd3= Bd3 19.Qd3 Qg4 20.Nd2 Nh3 (better is 20...Rad8!?=) 21.Qe4+/– Qe4 22.Ne4 f5 23.Nc5 Bc5 24.Rh3 Rae8 25.Kd2 Ne5 26.Be5 Re5 27.Rb1 b6 28.Kd3 Rd8 29.a4 Rd6 30.Rg1 Rd7 31.Kc3 Rf7 32.Rg6 Re8 33.Rc6 Rb7 (33...Bf8 34.Rg3 Be7 35.Rf3+/–) 34.Rh5 Rf8 35.a5 Rbb8 36.Rc7 Ra8 37.Rg5 +–. pierre – alkesh, ChessHere.com, 2006.

9.Nb5 a6 10.N5c3 Nc6 11.a3 Re8 12.0–0 Bf5 13.f3 ef3 14.Rf3 Bg6 15.Rf2 Bd6 16.Nd5 Nd5 17.cd5 Na5 18.Qa4 (18.Nc3 b5–/+) 18...c4! 19.Bc4? (better is 19.Qd1–/+) 19...b5–+ (19...Nc4?! 20.Qc4 Rc8 21.Qb3+=) 20.Bb5 ab5 21.Qg4 Nb3 22.Nc3 (22.Ra2–+) 22...Na1 23.Nb5 (23.Ba1 Ra3 24.Bb2 Ra5–+) 23...Nc2 24.Rf7 (24.Nd6 Qd6 25.Qc4–+) 24...Kf7 25.Nd6 Qd6 0–1. GuestGBBL – GuestVNQZ, freechess.org, 2017.

9.Nb5 Nc6 10.0–0 Nb4 11.f3 Nd3 12.Qb3 Nb2 13.Qb2 Be6 14.fe4 Ne4 15.Rf4 f5 16.d3 –/+.

9.Nb5 Nc6 10.0–0 Be6 11.d4 ed3 12.Bd3 (12.Qd3 Qd3 13.Bd3 Nb4 14.Be2 Nc2 15.N1c3 Na1 16.Ba1–+; 12.Bd3 a6 13.N5a3 Qc7 14.Nc3 Rad8 15.Qe2 Nb4 16.Bb1–/+) 12...Nb4 (12...a6 13.N5a3 Qc7 14.Nc3 Rad8 15.Qe2 Nb4 16.Bb1–/+) 13.Be2 Qd1 14.Rd1 Nc2 15.Nc7 (15.Nd2 Na1 16.Ba1–+) 15...Rad8 (15...Na1?! 16.Na8 Ra8 17.Ba1=) 16.Nd2 Na1 17.Ba1 Bf5 18.Bf6 Bf6 19.Nd5 Rfe8 20.g4 Bc2 21.Rc1 Ba4 22.Rb1 Bc6 23.Nf6 gf6 24.Rb2 f5! 25.gf5 Kg7 26.Nf1 Kf6 27.Ng3 Re7 28.Kf1 Red7 29.Ke1 b6 30.f4 Ke7 31.e4 Rd4 32.Rb3 Kf8 33.Re3 f6 34.a3 R8d7 35.h3 h6 36.Bf1 Rd1 37.Kf2 R1d2 38.Be2 R7d4 39.Kf3 Rd8 40.Nh5 Ke7 41.Kg3 Be8 42.Kg4 R2d4 43.e5 fe5 44.Re5 Kf8 45.f6 Bd7 46.Kg3 Rd2 47.Bg4 a5 48.Re7–/+ Bg4 49.Kg4 R8d7 50.Re6 R2d6–+ 51.Ng7 Re6 52.Ne6 Kf7 53.Kf5 b5! 54.Nc5 Rd1 55.h4 bc4 56.Na4 Rh1 57.Nc3 Rh4 58.Ne4 Rh5 59.Kg4 Rd5 60.Nc3 Rd3 61.Nb5 c3 62.Nc3 Rc3 63.a4 Kf6 (63...Kf6 64.f5 h5 65.Kf4 h4 66.Kg4 h3 67.Kh4 h2 68.Kg4 h1Q 69.Kf4 Qf3#) 0–1. bambinik (2535) – diegote (2535), 2003.

9.Nc2 Nc6 10.0–0 Be6 11.Nca3 Nb4 12.Be5 Bd6 13.Bd6 Qd6 14.f3 Qe5 15.Nc3 ef3 16.Bf3 Rad8 17.Qe2 Rd3 18.Rab1 Rfd8 19.Rb2 b6 20.Rfb1 h5 21.Qf2 Ng4 22.Bg4 hg4 23.Rf1 R3d7 24.Qe2 Bf5 25.e4 Be6 26.Qe3 Rd3 27.Qe2 f6 28.g3 Nc6 29.Rf2 Qh5 30.Ncb1 Ne5 31.Rc2 Nf3 32.Kh1 Qe5 33.Nb5 a6 34.N5c3 Bc4 35.Na3 Be6 36.Nab1 b5 37.Rc1 Bc4 38.Qd1 b4 39.Na4 Nh2 0–1. Pcmvr – Ssv, playchess.de, 2005.

9.Nc2 Be6 10.0–0 Nc6 11.Nba3 Qd6 12.Nb5 (12.d4 ed3 13.Qd3 Qd3 14.Bd3 Rfd8–/+) 12...Qd7 13.Rb1 Rfd8 14.Bc3 Rab8 15.Rb2 a6 16.Nba3 Ng4 (16...h5 17.h3–/+ (17.Bh5? Nh5 18.Qh5 b5–+)) 17.f3 ef3 18.Bf3 Bd6 19.Bg4 (better is 19.g3!?–/+) 19...Bg4–+ 20.Qe1 Bf5 (20...Ne5 21.Qh4–+) 21.Qh4–/+ Bd3 22.Rf2 Bg6 23.d4 Re8 24.Rd2 (24.Qh3!? f5 25.Rd2–/+) 24...cd4–+ 25.ed4 (25.Bd4 Rbd8–+) 25...Re4 26.Qf2 (26.Qh3 Qe7 27.c5 Bc7–+) 26...Rbe8 27.c5 Bf4 28.Rd1 (28.d5 Ne5 29.h3 Bd2 30.Qd2 Qc7–+) 28...Ne5 29.h3?! (29.Qf1 Ng4 30.h3 Bh2 31.Kh1–+) 29...Bh5 0–1. zunsurfer (2040) – angeloyoung (1795), gameknot.com, 2014.

7.Nd4 d5

8.a3 a5 A) 9.Qb3–/+ ab4 (9...dc4 10.Qc4 ab4 11.ab4 Ra1+=) 10.ab4 Ra1 11.Ba1 dc4+=; B) 9.c5 ab4 (9...b6 10.cb6 ab4 11.bc7 Qc7=) 10.ab4 Ra1 11.Ba1 b6+=; C) 9.cd5 ab4 (9...Qd5 10.Qc2 ab4 11.Qc7 Bd6+=; 9...Nd5 10.d3 ed3 11.Bd3 ab4+=) 10.ab4 Ra1 11.Ba1 Qd5+=; D) 9.Qc2 ab4 (9...dc4 10.Qc4 ab4 11.ab4 Ra1+=) 10.cd5 Na6 11.Ba6 Ra6–/+; E) 9.b5 c6 (9...c5 10.bc6 Nc6 11.cd5 Nd4=; 9...dc4 10.Qc2 c5 11.bc6 Nc6+=) 10.0–0 c5 11.Nc2 dc4+=.

8.a3 dc4 9.Bc4 (9.0–0 a5 (9...Nbd7 10.Bc4 Ne5 11.Be2 a5=) 10.b5 c5 11.bc6 Nc6+=) 9...a5 (9...b6 10.Qc2 c5 11.bc5 bc5=) 10.b5 (10.ba5 c5 11.Nb3 Nc6+=) 10...c5 11.Ne2 (11.bc6 Nc6+=) 11...Nbd7 12.Ng3 Nb6 13.Be2 Re8 (13...Bd6 14.Qc2=) 14.Qc2 (14.Bf6 Bf6 15.Nc3 Bc3 16.dc3 Qe7=) 14...Bd6 15.d3 ed3 16.Bd3 c4 (16...Be5 17.Be5 Re5 18.0–0=) 17.Bc4 Bg4 18.Be2 Rc8 19.Nc3 Nbd5 (19...Be2 20.Qe2 (worse is 20.Ke2 Nfd5 21.Rhd1 Qh4–/+) 20...Nc4 21.Rd1=) 20.Qd2+= Nc3 21.Bc3 Be2 22.Ke2 Ng4 (22...Bg3 A) 23.hg3? Ne4 24.Qd8 Nc3 (worse is 24...Red8 25.Bd4+/–) 25.Kf1 Red8–+; B) 23.Qd8 Red8 24.Bf6 Rc2 25.Kf3 Rf2 26.Kg3 Rf6 27.Rhd1=) 23.Rhd1 (23.Nf5 Rc3 24.Qc3 Be5=) 23...Qg5= 24.Qd6 (24.Qd3 A) worse is 24...Nh2 25.Qf5 (worse is 25.Qd6 Rc3 26.Qd4 Rc2 27.Rd2 Qb5 28.Ke1 Rd2 29.Qd2 Qc6–/+) 25...Qg4 26.Qg4 Ng4 27.Nf5+=; B) 24...Bc5 25.Bd2 Nf2 26.Kf2 Rcd8–/+) 24...Rc3 (24...Re3 25.Kf1 Rec3 26.Kg1=) 25.Kf1= Rc2 26.Rd2 Ne3 (26...Rd2 27.Qd2 Nh2 28.Kg1=) 27.Kg1 (27.fe3? Rd2 28.Qd2 Qf6 29.Ke2 Qa1–+) 27...Rd2 28.Qd2 Qd5 29.Qd5 Nd5 30.Rc1 g6 31.Kf1 (31.h3 h6=) 31...Kg7 32.Ne2 Re5 (32...Kf6 33.Nd4=) 33.Nd4 Rh5 (33...h6 34.Rc8=) 34.h3 Nf4 35.a4 Re5 (35...Rd5 36.Ne2 Ne6 37.g3=) 36.Rd1 Rd5 37.g3 (37.Rd2 Rc5 38.Ne2 Nd5=) 37...Nh5 (better is 37...Nh3!? 38.f4 g5–/+) 38.Ke2+= Re5 39.Kf3 Rd5 40.Ke3 (40.g4 Nf6+=) 40...Re5 41.Kf3 Rd5 42.Ke3 (42.g4 Nf6+=) 42...Re5 43.Kf3 (43.Kd2 Nf6 44.f3 h6+=) 43...Rd5= ½–½. Cottarelli,Franco (2185) – Gavrijski,Dimitar (2010), corr ICCF WSTT/3/06/2, 2006.

8.Qb3 A) 8...dc4 A1) 9.Bc4 a5 (9...c6 10.0–0 Qd6 11.f3 b5=) 10.b5 c5 11.bc6 Nc6+=; A2) 9.Qc4 b6 (9...Na6 10.Ba3 Bg4 11.f3 ef3=; 9...a5 10.b5 c6 11.bc6 bc6=; 9...Nbd7 10.Nf5 Re8 11.Ne7 Qe7=) 10.f3 c5 11.bc5 bc5+=; B) 8...Nbd7 B1) 9.cd5 Nb6 (9...a5 10.a3 ab4 11.Nf5 Nc5+=) 10.a3 a5 11.ba5 Nbd5+=; B2) 9.0–0 dc4 (9...c5 10.bc5 Nc5 11.Qc2 dc4=; 9...a5 10.b5 a4 11.Qc3 dc4=) 10.Bc4 Ne5 11.f3 ef3+=; B3) 9.Nf5 dc4 (9...a5 10.cd5 Bb4 11.a3 Be7=) 10.Qc4 Nb6 11.Ne7 Qe7=; C) 8...a5 9.b5 c5 (9...a4 10.Qc2 a3 11.Bc3 c5+=) 10.bc6 Nc6 11.0–0 a4+=.

8.b5 c5 9.bc6 bc6 10.cd5= (10.0–0 c5 11.Nb3 dc4 12.Bc4 Nbd7 13.Na3 Nb6) 10...cd5 (10...c5 11.Nb5 Qd5 12.N1c3 Qd7 13.f3 ef3) 11.0–0 (11.Nc3 Na6 12.0–0 Nb4 13.d3 ed3) 11...a6 (11...Bd7 12.Qc1= (12.Nc3 Nc6 13.Ncb5 Ne5) 12...Qa5 13.Nb3 Qb6) 12.Ba3 (12.Nc3!?+= Qd6 13.Rc1 Bd7) 12...Ba3= (12...Bd7 13.Be7 Qe7) 13.Na3 Qd6 14.Nac2 Nbd7 15.d3 Ne5 16.de4 de4 17.h3 Bd7 18.Qd2 Rfc8 19.Rfd1 g6 20.Rac1 Qb6 21.Nb3 Bb5 22.Bb5 ab5 23.Nb4 Rd8 24.Nd4 Nc4 25.Qc3 Ra3 26.Nb3 Rd6 27.Rd4 Ra8 28.Rcd1 Rad8 (28...Rd4!? 29.Qd4 Ra4=) 29.Rd6+= Rd6 30.Rd6 (30.Nd4 Qc5+=) 30...Qd6= 31.Nd4 Nd5 (better is 31...Qc5!?=) 32.Nd5+/– Qd5 33.Qb3 Qh5 34.a4 Qc5 (34...Na5 35.Qb5 Qb5 36.ab5+/–) 35.Qb5 (35.ab5!? Nb6 36.Qb1+–) 35...Qb5+/– 36.ab5 Kf8 37.Kh2 Ke8 38.Kg3 Kd7 (better is 38...Nd6!?+/–) 39.Kf4+– f5 (39...Kd6 40.Ke4 Kc5 41.g4+–) 40.g4 (better is 40.Kg5!? Kd6+–) 40...fg4 41.hg4 Nd6 42.Kg5 Nf7?? (better is 42...Nc4 43.Ne2 Kc7+–) 43.Kf6 Nh6 (43...Ke8 44.g5+–) 44.g5 Ng4 45.Kg7 Nf2 46.Kh7 Ng4 47.Kg6 Ne3 48.Kf6 Kd6 (48...Nd5 49.Ke5 Ne7 50.Ke4 Kc7+–) 49.g6 Nd5 50.Kf7 e3 51.g7 Ne7 52.b6 (52.b6 Nc6 53.Nf5 Kc5 54.g8Q+–) 1–0. Ramos Moreno,F J (2105) – Echaniz de Fays,C J (1850), Malaga ESP, Regional Ch, 2013.

8.b5 c5 9.bc6 Nc6!? 10.0–0 (10.cd5 Qd5 11.f4 Bd7 12.0–0 Rac8 13.Nc6 Qc6; 10.Nc6 bc6 11.Nc3 Rb8 12.Rb1 Bd7 13.0–0 Qc7) 10...dc4 11.Nc6 bc6+= 12.Na3 c3 13.dc3 Rb8.

8.b5 c6 9.0–0 c5 (9...dc4 10.Bc4 c5 11.Nb3 Nbd7+=) 10.Nb3 dc4 11.Bc4 Nbd7+=.

8.b5 c6 9.d3 Bb4 10.Bc3 Bc3 11.Nc3 dc4=.

8.b5 c6 9.d3 dc4 10.dc4 c5 11.Nb3 Qd1+=.

8.b5 c6 9.d3= c5 10.Nb3 b6 (10...dc4 11.dc4 a6 12.Nc3=) 11.cd5 ed3 12.Qd3 (12.Bd3 Nd5 13.Be4+=) 12...Bb7 (better is 12...Qd5!? 13.0–0 Rd8 14.Qd5 Nd5= (worse is 14...Rd5 15.Bf3 Bb7 16.Bd5 Nd5 17.Rd1+/–)) 13.e4+/– Nfd7 (13...a6!? 14.Qg3 Re8+/–) 14.Qg3 Bf6 15.Nc3 Be5 (15...Bh4 16.Qh3+/–) 16.f4 Bf6 17.0–0 (17.h4 Bc3 18.Bc3 f6+–) 17...Bh4 (17...a5 18.Rad1+–) 18.Qh3 Be7 (18...a6 19.Rad1+–) 19.e5 Re8 20.d6 Bf8 21.Bc4 a6 22.Qf5 Bc8 (22...Nf6 23.ef6 g6+–) 23.Qf7 1–0. marekt – pauloroberto, internet, 2005.

8.b5 c6 9.d3 c5 10.Nb3 dc4 11.dc4 Qd1+=.

8.b5 c6 9.cd5 Qd5 (9...c5 10.Nb3 Qd5 11.f3 ef3=) 10.d3 cb5 11.0–0 Qe5+=.

8.Bc3 A) 8...dc4 9.Bc4 Nbd7 10.Bf7 Kf7 11.Qb3 Kg6+/–; B) 8...b6 B1) 9.0–0 c5 (9...dc4 10.Bc4 c5 11.bc5 bc5=) 10.bc5 bc5 11.Nc2 Nc6+=; B2) 9.cd5 Nd5 (9...Qd5 10.0–0 c5 11.bc5 bc5=) 10.Qc2 c5 11.bc5 bc5+=; B3) 9.b5 dc4 (9...a6 10.d3 dc4 11.dc4 Bd7=) 10.Bc4 a6 11.a4 Bg4=; C) 8...a5 C1) 9.b5 c5 (9...dc4 10.Bc4 c5 11.bc6 Nc6+=) 10.bc6 Nc6 11.0–0 dc4+=; C2) 9.ba5 c5 10.Nb3 Be6 11.Bf6 Bf6=.

8.c5 a5 9.a3 ab4 (9...b6 10.cb6 ab4 11.bc7 Qc7=) 10.ab4 Ra1 11.Ba1 b6+=.

8.cd5 Nd5 (8...Qd5 9.a3+=) 9.b5 (9.a3 a5 10.b5+=) 9...Nb4 (9...c5 10.bc6 Nc6 11.Nc6 bc6 12.Qc2+=) 10.Qb3 (10.Nc3 f5=) 10...c5 (10...Nd7 11.Qc3 Nf6 12.0–0+=) 11.bc6 N8c6 12.a3 (12.Nc6 Nc6 13.0–0 Bd6+=) 12...Nd4 13.Bd4 Be6 (13...Nc6!? 14.Bb2 Rb8+=) 14.Qb2+= Nd3 15.Bd3 ed3 16.Bg7 (worse is 16.Qb7 Bd5 17.Qb5 Bg2+=) 16...Re8 17.Qe5 (17.Bd4 b6+=) 17...Bd5 (better is 17...Rc8 18.0–0 Rc5+=) 18.Qg3?? (better is 18.Nc3 Bc6 19.Bh6=) 18...Bd6?? (better is 18...Bh4 19.Qg4 h5 20.Qh5 Kg7–+) 19.Be5+– (19.Be5 Kf8 20.Bd6 Re7 21.Qe5+–) 1–0. GuestQRJD – GuestSKMio, freechess.org, 2016.

8.b5 dc4

9.0–0 Qd5 –/+.

9.Bc4 a6 10.Qa4 Nfd7 11.Be2 Nc5–/+.

9.Bc4 c5 10.bc6 Nc6 11.0–0 Ne5 12.Be2 b6 (12...Bg4 13.Bg4 Nfg4 14.f3+=) 13.f4 (13.d3 ed3 14.Bd3 Nd3 15.Qd3 Be6=) 13...ef3 (13...Ng6 14.d3+=) 14.Bf3 Nf3 15.Qf3 (worse is 15.Rf3 Bg4–/+) 15...Bg4 16.Qb7 Bc5 (16...Re8 17.Nc6 Qd6 18.Ba3+– (18.Ne7?! Qe7 19.Qe7 Re7+/–)) 17.Nb3 (17.Nc6 Qd7 18.Qd7 Bd7+=) 17...Be7= 18.Nd4 Bd7 (18...Re8 19.Nc6 Qd6 20.Ba3+–) 19.Nc3= Bc5 20.Ne4 (20.Nd5 Nd5 21.Qd5 Be6 22.Qd8 Rad8 23.Ne6 fe6=) 20...Ne4 21.Qe4 Re8 (21...Rc8 22.Rac1=) 22.Qf3 f6 23.Rac1 Rc8 24.Nb3 (24.Bc3 a6=) 24...Bb5 25.Rf2 Qd3 (25...Bc6 26.Qf5 Be4 27.Qg4=) 26.Nc5= Rc5 27.Rc5 (27.Bc3 Bc6 28.Qg4 Re4=) 27...bc5 28.Qf5 Qc4 (28...Bc4 29.a3+=) 29.Qb1 (29.Ba3!?+=) 29...Qd5 (29...Qd3 30.Qc1+=) 30.Bc3 (30.Qf5 Qa2 31.Qc2 Qa4–/+) 30...Bd3 31.Qb2 Qa8 (31...c4 32.Bd4+=) 32.Qa3 Rb8 The mate threat is Rb1 33.Bb2 (33.Qc1 Rb1 34.Qb1 Bb1–+) 33...c4 34.h3 (34.Qc3 Qb7 35.Bc1 Qb4–/+) 34...Rb7 (34...Qe4 35.Qc3–/+) 35.Qc3 Qb8 36.Bc1 Rb1 37.Rf4 (37.e4 Qe5 38.Qa3 Qd4–+ (38...Be4?! 39.Re2–+)) 37...Qb4 (37...Qe5 38.Rd4–/+) 38.Qb4–/+ Rb4 39.Kh2 (39.Ba3 Ra4 40.Bd6 Ra2–+) 39...Rb1 (39...Kf7 40.Ba3 Ra4 41.Bd6 Ra2 42.Bb4–+) 40.Ba3–+ Ra1 41.Rd4 (41.Bd6 Ra2 42.Bb4 a5–+) 41...Ra2 42.Rd8 Kf7 43.Rd7 Kg6 (43...Ke6 44.Ra7 Rd2 45.Rg7–+) 44.Bb4 (44.Bf8 Rd2 45.Rg7 Kf5–+) 44...h5 (44...a5 45.Bf8 Rd2 46.Rg7 Kf5 47.Ra7–+) 45.Rd5 (45.Bf8 a5–+) 45...Ra6 (45...h4 46.g4–+) 46.Kg3 Rb6 47.Bc3 Kh6 (47...Rb1 48.Ra5 Rb7 49.Bd4–+) 48.Bd4 Ra6 (48...Rb7 49.Ra5–/+) 49.h4 (49.Rd7 Ra2–+) 49...Kg6 (49...Ra2 50.Rd7–+) 50.Kf3 (50.Kf4 Ra2–+) 50...Re6 (50...Ra2 51.e4–+) 51.Ra5 Be4 (51...a6 52.g4–+) 52.Kf2 (52.Kf4 a6 53.g4 hg4 54.h5 Kf7 55.Kg4 Bd3–/+) 52...a6–+ 53.Rc5 (53.Bc5 Bd3–+) 53...Bd3 54.Kf3 Re4 (54...Rd6 55.Ra5–+) 55.g3 (55.Rc4 Rg4 56.Rc8 Be4 57.Ke2 Rg2 58.Ke1–+) 55...Re7 56.g4 hg4 57.Kg4 Rb7 (57...Re4 58.Kg3–+) 58.Bc3 (58.h5 Kf7–/+) 58...Rb5 (58...Kf7 59.h5–+) 59.Rc6 (59.h5 Kh6 60.Rc6 a5–+) 59...Rb1 (59...Rb1 60.Ra6 Kh6+=; 59...a5 60.Ra6–+) 0–1. Cornacchini,Gabriele – Dehaybe,Andre, CE.2001.0.017, 2001.

9.Bc4 c5 10.bc6 Nc6 11.Nc6 bc6 12.Qc2 Rb8 13.Nc3 (13.0–0 A) 13...Qd6 14.f4 (14.f3 Bf5 15.Bd4 c5 16.Bc3 Bg6 17.f4 Qd7 18.Na3+=; 14.Bf6 Bf6 15.Nc3 Be5 16.h3 Bc3 17.dc3 Qg6 18.Kh1=) 14...ef3 15.Rf3 Be6 16.Be6 fe6 17.Nc3 c5 18.d3=; B) 13...Bf5 14.Rd1 (14.Bd4 c5 15.Bc3 Qd7 16.Na3 Nd5 17.Be5 Rbd8 18.Rab1+=; 14.f3 ef3 15.d3 Nd5 16.Rf3 Nb4 17.Qc3 Bf6 18.d4+=) 14...Qd6 15.f4 Nd7 16.Ba3 Qf6 17.Be7 Qe7 18.Nc3+=; 13.Be5 Bd6 14.Bd4 (14.Bg3 Bf5 15.Nc3 Bg3 16.hg3 Qd6 17.Be2 Rfd8 18.g4+=; 14.Qc3 Be5 15.Qe5 Rb6 16.0–0 Ba6 17.Ba6 Ra6 18.f3+=; 14.Bd6 Qd6 15.0–0 Rd8 16.f3 Bf5 17.Rf2 Qd7 18.fe4+=) 14...c5 15.Bc3 Re8 16.Na3 Be6 17.Rc1 Bc4 18.Nc4+=; 13.Bc3 Bf5 14.0–0 (14.a3 Bd6 15.Qa4 Qe7 16.Qc6 Rfc8 17.Qa4 Bd7 18.Bf7–+; 14.f3 Qd7 15.fe4 Ne4 16.d3 Nd6 17.Bb3 Nb5 18.Bc4–/+) 14...Qd7 15.Rd1 Qd6 16.f4 Qd7 17.Be5 Rb4 18.a3+=; 13.f3 ef3 14.gf3 Nd5 15.Be5 Bh4 16.Bg3 Qf6 17.Nc3 Qf3 18.Rg1–/+) 13...Qd6 (13...Bf5 14.Ne2 (14.Rb1 Qd7 15.Ne2 Nd5 16.Nd4 Nb4 17.Qc1 Rfc8 18.0–0+=; 14.0–0 Qd7 15.Ne2 Nd5 16.Be5 Rb4 17.Rfb1 Rd8 18.Nd4=; 14.Rc1 Nd5 15.0–0 Nb4 16.Qa4 Nd3 17.Bd3 Qd3 18.Qa7+=; 14.a3 Nd7 15.Rb1 Ne5 16.Be2 Nd3 17.Bd3 Qd3 18.Kd1–/+) 14...Nd5 15.Bd4 c5 16.Be5 Bd6 17.Bg7 Ne3 18.de3=) 14.Bb3 (14.Rb1 Rd8 15.f3 ef3 16.gf3 Be6 17.Be6 Qe6 18.Rf1–/+; 14.f3 ef3 15.gf3 Bh3 16.f4 Rfd8 17.d3 Nd5 18.Bd5–/+; 14.Rc1 Rd8 15.f3 Qb4 16.Nd1 Bf5 17.a3 Qd6 18.Bd4+=) 14...Qd3 (14...Rd8 15.f3+= (15.Rc1 Ba6 16.Ne2 Nd5 17.Bd5 cd5 18.Bc3–/+) 15...ef3 16.gf3 Be6 17.Rc1 c5 18.Ba3+=) 15.Qd3 (15.Rc1 Ba6 16.Qd3 Bd3 17.f3 c5 18.Nd1=) 15...ed3 16.0–0 (16.Nd1 Be6 (16...Ne4+= 17.Bc4 Rd8 18.f3+=) 17.Be6 fe6 18.Rc1+=) 16...Be6–/+ 17.Rfc1 Rfc8 (17...Bb3 18.ab3+=) 18.Be6 fe6 19.Rab1 a5 20.f3 Rb7 21.Ba1 Rb4 22.Nd1 Rcb8 23.Rb4 ab4 (worse is 23...Rb4 24.Nb2 (24.Rc6? Rb1 25.Bc3 Rd1 26.Kf2 Bb4–+) 24...Rb7 A) 25.Rc6?! Ba3 26.Rc1 Kf7+= (26...Bb2?! 27.Rb1+=; 26...Rb2?! 27.Bb2 Bb2 28.Rb1=);B) 25.Nd3+/–; worse is 23...Bb4 24.Rb1 (worse is 24.Rc6 Bd2 25.Bb2 Nd5–/+) 24...Nd7 25.Nc3+=) 24.Rc6 Ra8 25.Bd4 Ra2 26.Nb2 Kf8 27.Nd3 Rd2 28.Ne5 Ne8 (28...Rd1 29.Kf2+=) 29.Re6+/– Nd6 (29...g6!?+/–) 30.Nc6 Nc8 31.Ne7 Ne7 32.Rb6 Rc2 33.Rb4 Nf5 34.e4 Rc1 35.Kf2 Rc2 36.Kf1 Rc1 37.Ke2 Rc2 38.Kd3 Nd4 39.Rb8 Kf7 40.g4 Rh2 41.Kd4 g5 42.Ke5 h5? (better is 42...Rf2 43.Rb7 Kg6 44.Rb6 Kg7+–) 43.gh5 1–0. Cornacchini,Gabriele – Dehaybe,Andre, CE.2001.0.019, 2001.

9.Bc4 c5 10.bc6 Nc6 11.Nc6 bc6 12.Qc2 Bf5 A) 13.0–0 A1) 13...Rb8 14.Bd4 (14.f3 ef3 15.d3 Nd5 16.Rf3 Nb4 17.Qc3 Bf6 18.d4+=; 14.Rd1 Bd6 15.h3 Nd5 16.d4 Qg5 17.Kf1 Rfd8 18.Nd2+=) 14...c5 15.Bc3 Qd7 16.Na3 Nd5 17.Be5 Rbd8 18.Rab1+=; A2) 13...Qd7 14.Bd4 (14.Rc1 Rfd8 15.h3 Qd6 16.f4 Nd5 17.g4 Bg6 18.Ba3+=; 14.Rd1 Rfd8 15.Bf6 Bf6 16.Nc3 Rab8 17.Rac1 Be5 18.Rb1+= ) 14...Rab8 15.Nc3 Rb4 16.Na4 Rfb8 17.a3 R4b7 18.Ba6+=; A3) 13...Qb8 14.Be2 (14.Na3 Ng4 15.g3 Qd6 16.Be2 Ne5 17.Nc4 Nc4 18.Bc4+=; 14.h3 Rd8 15.Rd1 Qd6 16.Nc3 Rab8 17.Rab1 Qd7 18.Ne2=; 14.Bf6 Bf6 15.Nc3 Qb4 16.Bb3 Qd6 17.Rac1 Be5 18.f4=) 14...Rd8 15.Na3 Bd6 16.Nc4 Bh2 17.Kh1 Nd5 18.Rab1=; A4) 13...Qd6 14.f3 (14.Ba3 c5 15.f3 Rab8 16.Rc1 Rfd8 17.Bb2 Qd7 18.f4–/+) 14...Rad8 15.Bd4 c5 16.Bc3 Qd7 17.Qc1 Nd5 18.Rf2+=; B) 13.f3 B1) 13...Qb6 14.Bd4 (14.0–0 ef3 15.Qc1 Be6 16.Be6 fe6 17.Rf3 Nd5 18.Rf8+=) 14...c5 15.Be5 Bg6 16.f4 Rfd8 17.0–0 Bf5 18.Nc3=; B2) 13...Qa5 14.Qc3 Qc3 15.Nc3 Rfb8 16.Bc1 a6 17.g4 Bg6 18.g5=; B3) 13...Rb8 14.Bd4 (14.0–0 ef3 15.d3 Nd5 16.Rf3 Nb4 17.Qc3 Bf6 18.d4+=; 14.Be5 Rb4 15.0–0 Nd7 16.Bd4 Bf6 17.fe4 Bd4 18.ed4+= ) 14...c5 15.Be5 Bd6 16.Bd6 Qd6 17.Nc3 Rfe8 18.fe4+=; B4) 13...Qd7 14.fe4 Be4 15.d3 Bd5 16.0–0 Ng4 17.Bd5 cd5 18.Qe2–/+ ; C) 13.a3 C1) 13...Bd6 14.f4 (14.0–0 Rb8 15.Ra2 Nd5 16.Nc3 Re8 17.f4 Nb6 18.Be2+=; 14.Nc3 Rb8 15.Ne2 Re8 16.Rb1 Qe7 17.Nd4 Bd7 18.a4+=) 14...Rb8 15.0–0 Qe7 16.Bd4 Rb7 17.Ba6 Rc7 18.Nc3+=; C2) 13...Qd7 14.Bd4 (14.0–0 Rfd8 15.Rc1 Rab8 16.Be5 Rb7 17.Be2 Qe6 18.Bg3+=; 14.Ra2 Rad8 15.0–0 Rfe8 16.Rc1 Qd6 17.Qb3 Nd5 18.Nc3+=; 14.Nc3 Rfd8 15.Ne2 Rab8 16.Nd4 Nd5 17.Rb1 Bg6 18.0–0+=) 14...c5 15.Bf6 Bf6 16.Nc3 Rad8 17.Rd1 Qe7 18.Nd5+=; C3) 13...Ne8 14.Nc3 (14.Be2 Rb8 15.0–0 Bd6 16.Rc1 Qh4 17.g3 Qe7 18.Bd4+=) 14...Nd6 15.Be2 Rb8 16.0–0 Qb6 17.Nd1 Rfc8 18.Rb1+= ; C4) 13...Qd6 14.f3 Rad8 15.0–0 Qd7 16.Qd1 Nd5 17.Qc1 ef3 18.Rf3+=; C5) 13...Rb8 14.Bd4 (14.Nc3 Nd7 15.Rb1 Ne5 16.Be2 Nd3 17.Bd3 Qd3 18.Kd1–/+; 14.Ra2 Nd5 15.0–0 Nb6 16.Be2 Qd6 17.Rc1 Qe6 18.Bc3+=) 14...c5 15.Be5 Bd6 16.Qc3 Ne8 17.0–0 Qe7 18.Bd6+=; D) 13.Nc3 D1) 13...Rb8 14.0–0 (14.Rb1 Qd7 15.Ne2 Nd5 16.Nd4 Nb4 17.Qc1 Rfc8 18.Nf5+=; 14.Ne2 Nd5 15.Be5 Bd6 16.Bd6 Qd6 17.0–0 Nb4 18.Qa4=; 14.Rc1 Nd5 15.0–0 Nb4 16.Qa4 Nd3 17.Bd3 Qd3 18.Qa7+=) 14...Qd7 15.Ne2 Nd5 16.Be5 Rb4 17.Rab1 Rd8 18.Ng3=; D2) 13...Qd7 14.Na4 (14.Ne2 Rab8 15.Ng3 Bg6 16.0–0 Rfd8 17.Bc3 Nd5 18.Ne4+=) 14...Nd5 15.Bd4 Rab8 16.0–0 Bd6 17.Rab1 Rfd8 18.Nc5=.

9.Bc4 c5 10.bc6 Nc6 11.Nc6 bc6 12.d4 Bb4 13.Bc3 Bd6=.

6.Be2 Be6

7.0–0 a5 8.b5 A) 8...Re8 9.d4 (9.Nc3 Bg4 10.d4 Nbd7 11.h3 Bh5 12.g4 Bg6 13.Nh4+=; 9.Qc2 Bg4 10.Nc3 Nbd7 11.d4 ed4 12.Nd4 Be2 13.Qe2+=; 9.a3 Nbd7 10.Ng5 Bf5 11.f4 ef4 12.Rf4 Bg6 13.Nc3=; 9.d3 a4 10.a3 Nbd7 11.Ng5 Bf5 12.e4 Bg6 13.f4=; 9.a4 Nbd7 10.d4 e4 11.Ng5 Bf5 12.f3 d5 13.fe4=) 9...e4 10.Ng5 Bf5 11.f3 a4 12.fe4 Be4 13.Ne4+=; B) 8...a4 9.d4 (9.a3 Nbd7 10.d4 ed4 11.Bd4 c5 12.Bb2 d5 13.Qc2=; 9.d3 c6 10.Ng5 Bf5 11.e4 Bg6 12.Nf3 cb5 13.cb5=; 9.Ng5 Bf5 10.d4 h6 11.Nf3 e4 12.Nfd2 d5 13.Qc2=; 9.Na3 Nbd7 10.Ng5 d5 11.Qc2 h6 12.Ne6 fe6 13.d4=; 9.Qc2 Qc8 10.e4 c6 11.Bc3 Bg4 12.Rd1 cb5 13.cb5=) 9...e4 10.Ng5 Bf5 11.f3 Nd5 12.Nf7 Ne3 13.Nd8+=; C) 8...Bf5 9.d4 (9.a3 Re8 10.Nc3 Nbd7 11.d4 c6 12.Rc1 Rc8 13.Qb3=; 9.Nc3 Nbd7 10.d4 c6 11.a3 Rc8 12.Qa4 Re8 13.Rac1=) 9...e4 10.Nfd2 a4 11.a3 c6 12.Nc3 cb5 13.cb5+=; D) 8...c6 9.Nc3 (9.d4 e4 10.Ng5 Bf5 11.f3 ef3 12.Nf3 Re8 13.d5=; 9.Na3 Nbd7 10.d4 Qb6 11.Qa4 Qc7 12.Rfd1 e4 13.Nd2=; 9.a4 cb5 10.ab5 Qc7 11.d3 h6 12.Nbd2 Nbd7 13.d4=) 9...cb5 10.Nb5 Nbd7 11.Ng5 Rc8 12.Ne6 fe6 13.d3+=; E) 8...Qe8 9.a3 (9.Ng5 Bf5 10.f4 e4 11.g4 Bd7 12.Nc3 Bd8 13.Qc2+=; 9.d3 a4 10.a3 Nbd7 11.Nc3 Nb6 12.Rc1 Qd7 13.Ng5=; 9.Qc2 c6 10.Ng5 cb5 11.cb5 Nbd7 12.Bd3 g6 13.Nc3=; 9.Nc3 Nbd7 10.Ng5 Nb6 11.Qc2 Qd7 12.f4 Bf5 13.e4+=) 9...Nbd7 10.Ng5 c6 11.Nc3 cb5 12.Nb5 Rc8 13.d3+=; F) 8...Bc8 9.Qc2 (9.d4 ed4 10.Bd4 Re8 11.Nc3 c5 12.Bf6 Bf6 13.Qd2+=; 9.Nc3 Nbd7 10.d4 Re8 11.Bd3 ed4 12.ed4 Nb6 13.d5+=) 9...e4 10.Ng5 d5 11.cd5 Qd5 12.f4 Bf5 13.Nc3+=; G) 8...Bg4 9.Nc3 Nbd7 10.d4 Re8 11.e4 a4 12.a3 Nb6 13.de5+=; H) 8...Ra7 9.d4 (9.Nc3 Nbd7 10.d4 c5 11.d5 Bg4 12.Nd2 Be2 13.Qe2=; 9.Qc2 Qc8 10.Nc3 Re8 11.d4 Nbd7 12.Ng5 ed4 13.ed4+=; 9.a3 Re8 10.d4 e4 11.Ng5 Bf5 12.f3 ef3 13.Rf3=; 9.d3 a4 10.Ng5 Bd7 11.a3 c6 12.Nc3 Ra5 13.d4+=; 9.a4 Nbd7 10.d4 ed4 11.Bd4 Ra8 12.Nc3 c5 13.bc6=) 9...e4 10.Nfd2 c6 11.d5 Bf5 12.Nc3 cd5 13.cd5+/–; I) 8...Bd7 9.Qc2 (9.Nc3 Bg4 10.d4 Nbd7 11.Qc2 ed4 12.Nd4 Be2 13.Qe2+=; 9.d4 e4 10.Nfd2 c6 11.Nc3 d5 12.Rc1 dc4 13.bc6+=) 9...e4 10.Ng5 d5 11.cd5 Bb5 12.Bb5 Qd5 13.Nh7+/–; J) 8...Nbd7 9.Ng5 (9.d4 ed4 10.Bd4 Nc5 11.Qc2 Qc8 12.Bc5 dc5 13.Nc3=; 9.d3 Nc5 10.d4 ed4 11.Nd4 Qe8 12.Nc3 a4 13.Ba3=) 9...Bf5 10.f4 Ne8 11.fe5 Bb1 12.e6 Bg6 13.ed7+=.

7.0–0 a6 8.d3 Nc6 9.a3 Re8 10.Ng5 h6 (10...Bf5!?=) 11.Ne6+/– fe6 12.Nc3 (12.Qc2 Qd7+/–) 12...d5+= 13.cd5 ed5 14.Qb3 Kh8 (14...Qd7 15.Bf3 Rad8 16.Rac1+=) 15.Bf3+/– d4 16.Ne2 de3 17.fe3 Qd6 18.Ng3 Rab8 (18...Rad8!? 19.d4 e4+/–) 19.Nf5+– Qd7 20.Bc6 Qc6? (better is 20...bc6 21.Be5 Bb4 22.Bf6 Bf8+–) 21.Be5 Rbc8 (21...Qd7 22.Nh6! Qd5 23.Qc3+–) 22.Qf7 Bf8 23.Ng7 Bg7 (23...Re5 24.Rf6 Re7 25.Qe7 Be7 26.Rc6 bc6+–) 24.Rf6 (24.Rf6 Re5 25.Rc6 bc6 26.e4+–) 1–0. marekt – chessNstocks, ChessWorld.net, 2015.

7.0–0 Na6 8.a3 (8.b5 Nc5 9.d4 ed4 10.ed4 Nce4 11.d5 Bf5 12.Bd3 Bg4 13.h3=) 8...c6 (8...c5 9.bc5 (9.b5 Nc7 10.d3 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1=) 9...Nc5 10.d4 ed4 11.ed4 Qb6 12.Ra2 Nce4 13.d5=) 9.d4 (9.Nc3 Qd7 10.d4 e4 11.Nd2 Bf5 12.f3 ef3 13.Rf3=; 9.Qc2 Qd7 10.c5 Bf5 11.Qd1 e4 12.cd6 Qd6 13.Nd4=; 9.d3 Qb6 10.Nc3 Rae8 11.d4 ed4 12.Nd4 c5 13.Ne6+=; 9.c5 e4 10.Nd4 Nc7 11.Ne6 Ne6 12.cd6 Qd6 13.Qc2=) 9...e4 10.Nfd2 (10.Ng5 Bf5 11.f3 ef3 12.Nf3 Re8 13.Nc3=) 10...Qc7 (10...Nc7 11.Nc3 d5 12.Qc2= Bg4 13.f3=; 10...d5 11.Nc3 Nc7 12.Qc2 Bg4 13.f3=) 11.Nc3 (11.d5 Bf5 12.Nc3 Qd7 13.f3+=) 11...d5 12.cd5 (12.Rc1 dc4 13.Nc4+=) 12...cd5 13.Ba6 (13.Rc1=) 13...ba6 14.Rc1 Qd6 15.f4 (15.f3!? ef3 16.Qf3=) 15...Bg4 16.Qb3 Rab8 17.h3 Be6 18.Qa2 Nh5 (18...a5 19.ba5 Qa6 20.f5–/+) 19.Ne2 (19.f5 Bg5 20.Rfe1 Bf5 21.Qd5 Qd5 22.Nd5 a5+/–) 19...Bh4 (19...a5 20.f5 (20.ba5? Qa6 21.Rf2 Bh4–+) 20...Bd7 21.Nc3–/+ (21.ba5? Bb5–+)) 20.Kh2 (20.Rc5!?=) 20...a5+= 21.Bc3 (21.b5!?+=) 21...Qa6–/+ (21...ab4 22.Bb4 Qa6 23.Bf8 Qe2 24.f5 Bg3 25.Kh1 Qe3 26.Bg7=) 22.Nb1 (better is 22.b5!? Qb5 23.Nb1–/+) 22...ab4–+ 23.Be1 Be1 (23...Be7 24.f5 Bd7 25.Bg3–+) 24.Rfe1 Nf6 25.Qb3 Qd6 26.ab4 Rb4 27.Qa3 Qb6 28.Nbc3 Bd7 29.Ra1 Ra8 30.Reb1 Rb1 31.Rb1 Qc7 32.Rc1 Bc6 (32...Qd8 33.Qa2 Be6 34.Nb5–/+) 33.Qc5+= Rc8 (better is 33...Qd7!?+=) 34.Nb5= Bb5 (better is 34...Nd7 35.Nc7 Nc5 36.Rc5 Rc7+=) 35.Qc7+– Rc7 (35...Be2?? 36.Qc8 Ne8 37.Qe8) 36.Rc7 a6 (36...Ne8!? 37.Rc8 Kf8+–) 37.Nc3 (37.Nc3 Kf8 38.g4+–) 1–0. Gerold – Szabo, corr SOK–87–15, 1987.

7.0–0 b6 8.Nc3 c5 9.b5 a6 10.a4 ab5 11.ab5 Nbd7 12.Ra8 Qa8 13.Ng5 Bf5 Black intends e4 14.Bf3 e4 15.Qc2 Ne5 16.Nge4 Ne4 17.Be4 Be4 18.Ne4 (worse is 18.Qe4 Qe4 19.Ne4 Nc4+=) 18...Re8 (18...Qa2!? 19.d3 Nd3 20.Qd3 Qb2+/–) 19.f4+– Ng6 20.f5 Ne5 21.f6 Bf6 22.Rf6 gf6 23.Nf6 Kf8? (23...Kg7 24.Qf5 h6 25.Ne8 Qe8 26.Qg4 Kf6+–) 24.Qh7 (24.Ne8?! Ke8 25.Be5 de5 26.Qh7 Qa2+–) 24...Re6 (24...Qa2 25.Qh6 Ke7 26.Be5 Qb1 27.Kf2 Qf5 28.Qf4 Qe5 29.Qe5 de5 30.Ne8 Ke8+–) 25.Nd5 Rg6 (25...Qd5 26.cd5 Rg6 27.Be5 de5 28.Qh8 Ke7 29.Qe5 Kd7 30.Qf4+–) 26.Qh8 Rg8 27.Qh6 Rg7 28.Qd6 Kg8 29.Qe5 Qf8 30.Ne7 Kh8 0–1. pcmvr (2225) – mwojo (2100), net–chess.com, 2006.

7.0–0 c6 8.a4 a5 9.b5 c5 10.d4 cd4 11.ed4 ed4 12.Nd4 Nbd7 13.Ne6 fe6 14.Bf3 Qc7 15.Nd2 Nc5 16.Re1 Nd3 17.Qe2 Ne1 18.Qe6 Kh8 19.Re1 Rae8 20.Bf6 Rf6 21.Qd5 b6 22.Ne4 Rff8= 23.Kf1 Rc8 24.Rc1 Rcd8 25.Ng5 Bg5–/+ 26.Qg5 Qc5 27.Qc5 dc5 28.Bd5 g5 29.g4 Rf4 30.h3 Rdf8 31.Rc2 Rd4 32.Kg2 Kg7 33.f3 Re8 34.Kg3 Re3 35.Ra2 Rdd3 36.h4 gh4 37.Kh4 Ra3 (38.Rh2 h6–/+; 37...Rf3?! 38.Bf3 Rf3 39.Rd2=) 0–1. hal1958 – Andy1, playchess.de, 2003.

7.0–0 d5 8.Ne5 dc4 9.Bc4 Bc4 10.Nc4 Bb4 11.Qb3 Na6 12.a3 Be7 13.Qb7+/–.

7.0–0 Qd7 8.d4 (8.Nc3 e4 9.Ng5 d5 10.cd5 Nd5 11.Nce4 Nb4+=) 8...ed4 (8...e4!? 9.Ng5 Bf5+=) 9.Nd4 Nc6 10.Ne6 fe6 11.b5 Nd8 12.Bf3 e5 13.Nc3 Rb8 (13...c6 14.Ne4+=) 14.Nd5 Ne6 15.Be5 c6?? (better is 15...Nd5 16.cd5 Qb5+=) 16.Ne7+– Qe7 17.Bd6 (17.Qd6?! Qf7 18.bc6 bc6 19.Bc6 Rb6+–) 17...Qf7 18.Bb8 Rb8 19.bc6 bc6 20.Qd6 Rd8 (20...Rb6 21.Rfb1 Ne8 22.Qe5+–) 21.Qc6 Ng5 (21...Re8 22.Rab1 Nd8 23.Qb5+–) 22.c5 (22.Bd5 Nd5 23.Rad1 Qe6 24.Qe6 Ne6 25.cd5 Nc5+–) 22...h5 (22...Nf3 23.Qf3 Qc7 24.Rac1+–) 23.Rfd1 (23.Be2 Qd7 24.Qd7 Rd7+–) 23...Re8 (23...Nf3 24.Qf3 Rc8 25.Qf5+–) 24.Be2 (24.Bd5 Nd5 25.Qd5 Ne6+–) 24...h4 (24...Qf8 25.Rac1+–) 25.Rac1 (better is 25.Rd4 Re6 26.Qa4+–) 25...h3 (25...Qe7+–) 26.Bc4 Ne6 27.Rd6 Qg6 (27...Kh7 28.Be6 Qh5 29.Qb7+–) 28.Be6 Re6 (28...Kf8 29.Bh3 Qg5 30.Re6+–) 29.Re6 (29.Re6 Kf7 30.Rd6+–) 1–0. Trkn – guest1387, ICC, 2004.

7.0–0 e4 A) 8.Ng5 A1) 8...a5 9.b5 (9.Ne6 fe6 10.b5 a4 11.f3 c6 12.fe4 Ne4 13.Qc2=) 9...Nbd7 10.Qc2 Bf5 11.Nc3 Nc5 12.f3 d5 13.Nd5+/–; A2) 8...d5 9.Ne6 fe6 10.a3 a5 11.b5 Nbd7 12.cd5 ed5 13.d3=; B) 8.Nd4 d5 9.a3 (9.Ne6 fe6 10.a3 a5 11.b5 Nbd7 12.cd5 ed5 13.d3=; 9.c5 a5 10.a3 b6 11.cb6 cb6 12.b5 Qd6 13.d3=; 9.b5 a6 10.d3 ab5 11.cb5 c5 12.bc6 Nc6 13.Nd2=) 9...a5 10.b5 Qd7 11.Ne6 Qe6 12.cd5 Nd5 13.Qc2+=.

7.0–0 Ne4 8.d4 Nd7 9.de5 de5 10.Qc2 f5 11.c5 Bf6 12.c6 bc6 13.Qc6 Qe7 14.Rc1 Rfe8 15.Bc4 Bc4 16.Qc4 Kh8 17.Nbd2 Nd2 18.Nd2 e4 19.Bf6 Nf6 20.Nb3 Rab8 21.a3 Rec8 22.Qa6 f4 23.ef4 Nd5 24.g3 Rf8 25.Qa7 Rb6 26.Rc5 Qf7 27.Nd4 Qd7 28.Rac1 e3 29.Rc7 Qh3 30.R7c2 e2 31.Qf7 1–0. R Johansson – Jegerborn, corr SSKK 1988.

7.0–0 Ne8 8.d3 Nd7 9.Nbd2 f5 10.a3 Bf6 11.Qc2 Qe7 12.Rae1 Qf7 13.e4 f4 14.g3?? (better is 14.d4+=) 14...Bh3–/+ 15.d4 Bf1 16.Rf1 Qg6 17.de5 Ne5 (17...de5?! 18.c5+=) 18.Ne5 Be5 19.Be5 de5 20.Nf3 Nf6 (better is 20...Nd6!?–/+) 21.Ne5+= Qg5 22.Nf3 Qh6 23.e5 Ng4 24.Nh4 (24.Re1 Rae8 25.c5 Kh8+= (25...Ne5? 26.Ne5 Kh8 27.Qe4+–)) 24...Qg5 (better is 24...Ne5!? 25.Qe4 fg3 26.hg3 Nc6–/+) 25.Bd3 Qh6 (25...Qe5 26.Bh7 Kf7 27.Qg6 Ke7 28.Qg4+–; 25...Ne5?! 26.Bh7 Kh8 27.Ng6 Ng6 28.Bg6+=) 26.Bf5 (26.Be2 Ne5 27.Qe4 fg3 28.hg3–/+) 26...g6?? (better is 26...fg3 27.hg3 Ne5–/+) 27.Bg4+– g5 28.Nf5 Rf5 (28...Qe6 29.Qe4 Rad8+–) 29.Qf5 Rf8 30.Qe6 Qe6 31.Be6 Kg7 32.Rd1 Kh6 33.Bd5 (33.Rd7 fg3 34.hg3 Re8+–) 33...fg3 34.hg3 Kg6 (34...Rd8 35.f4 gf4 36.gf4+–) 35.Be4 Kh5 (35...Kf7 36.Rd7 Ke6 37.Rc7 Ke5 38.Bb7+–) 36.Bb7 Kg4 (36...Re8 37.Rd7 Re5 38.Rh7 Kg6 39.Rc7+–) 37.Kg2 (better is 37.Be4!? Kh5 38.Rd7 g4+–) 37...h5 (37...Kf5 38.Rd7+–) 38.Bc8! (38.Bc8 Rc8 39.e6+–) 1–0. Fournier,Frederic (1820) – abenhamar (1885), Active, 2004.

7.0–0 Bg4 8.d3 e4 9.Nd4 (9.de4!? Ne4 10.Qd5+=) 9...Be2= 10.Qe2 ed3 11.Qd3 Nfd7 (11...c5!? 12.Nf5 cb4=) 12.Nd2 (12.Nc3 Nc6 13.Nd5 Nd4 14.Bd4 c6+=) 12...Bf6 13.Qc2 (13.Qe4 Qc8+=) 13...Ne5 (13...Nc6 14.Nc6 bc6 15.Nf3=) 14.Ne4+= Nbd7 15.Nf6 Nf6 (worse is 15...Qf6 16.f4 Ng4 17.Rf3+/–) 16.Nf5 Qd7 (16...Re8 17.Rad1+=) 17.Rad1 (17.f4 Nc6 18.Rf3+–) 17...Qe6= 18.Be5 (18.c5 d5=) 18...Qe5 19.Nd4 (19.f4 Qe4 20.Qe4 Ne4 21.Ne7 Kh8=) 19...a6 20.Qf5 (20.c5 a5 21.cd6 cd6 22.ba5 Ra5=) 20...Qf5+= 21.Nf5 Rfe8 22.Rd4 Re4 (22...g6 23.Ng3+=) 23.Rfd1 Rae8 24.f3 (better is 24.Ng3!? Rd4 25.Rd4=) 24...Rd4–/+ 25.ed4 Re2 26.a3 g6 27.Ng3 Re3 28.Ra1 Rd3 (28...b6 29.c5–/+) 29.Ne2+= Nd7 30.b5 ab5 31.cb5+= Nb6?? 32.a4+/– Nc4 33.a5 Ra3 34.Ra3+– Na3 35.a6 ba6 36.ba6 Nb5 37.Nc3! Na7 38.Kf2 Kf8+/– 39.Ke3 Ke8 40.d5 Kd7 41.Ne4 Ke7 42.Kd4 f5 ½–½. Erdmann,Krzysztof – Kasprzyk,Maciej, DMP – I liga juniorow Poland (year?).

7.d3 e4 8.Nd4 ed3 9.Qd3 Nbd7 10.Ne6 fe6 11.0–0 e5 (11...a5 12.a3=) 12.Bf3 Qe8 (12...c6 13.Nd2+=) 13.a3 (13.Bb7 Rb8 14.Bd5 Nd5 15.Qd5 Qf7+/–) 13...Qf7 (13...c6!?=) 14.Bb7+/– Rad8 (14...Rab8 15.Bd5 Nd5 16.cd5+/–) 15.e4 Ng4?? (better is 15...Rb8 16.Bd5 Nd5 17.cd5 a5+/–) 16.Bd5+– Qd5 (16...Bg5 17.Nc3+–) 17.Qd5 Kh8 18.f3 (better is 18.Qa5 Nb6 19.Qa7 Rd7+–) 18...Ne3 19.Qd3 (19.Qb7 Nf1 20.Kf1 Nb6+–) 19...Nf1 20.Qf1 Nf6 21.Nd2 Ng4 22.Qe2 Nf6 23.h3 Nh5 24.Nf1 Nf4 25.Qc2 Rf6 (25...Rb8 26.Ne3+–) 26.Bc1 Nh5 (26...Ra8 27.Bf4 ef4 28.Rd1+–) 27.Bg5 (27.Qa4 Rf7+–) 27...Rf7 28.Be7 Re7 29.c5 d5 (29...Nf4 30.Ne3+–) 30.ed5 Rd5 31.Qe4 (better is 31.Qf5 Nf6 32.Qc8 Re8 33.Qc7 Rd7+–) 31...Nf4 (31...Nf6 32.Qe2+–) 32.Ne3 (better is 32.g3 Nh3 33.Kg2 c6 34.Kh3 Re6+–) 32...Rd2 (32...Rd8+–) 33.Qa8 1–0. GuestKZQQ – smoozer, freechess.org, 2017.

7.0–0 Nc6

8.a3 Ne4 9.d3 Ng5 10.Ng5 Bg5 11.Nd2 Bf6 12.Rb1 a5 13.b5 Nb8 14.Nf3 Qe7 15.d4 ed4 16.Nd4 Nd7 17.Ne6 Qe6 18.Qc2 Nc5 19.Bf6 Qf6 20.Qb2 Qb2 21.Rb2 b6 22.Rd1 g6 23.f3 Rae8 24.e4 Re7 25.Kf2 Rfe8 26.Rbb1 (26.Rd5 Re5+=) 26...Kg7 (26...f5!?–/+) 27.Rd2 h5 28.h3 f6 29.g4 hg4 30.hg4 Rh8 31.Rg1 g5 32.Rdd1 Nd7 33.Rh1 Ne5 34.Kg2 Ng6 35.Rh8 Kh8 36.Rh1 Rh7 37.Rh7 Kh7 38.Kf2 Nf4 39.Ke3 Kg6 40.Bd1 Ne6 41.Kd3 Nd8 42.Kd4 Kf7 43.Kd5 Ke7 44.a4 Ne6 45.Kc6 Kd8 46.Kd5 Kd7 47.Bc2 Nf4 48.Kd4 Ke6 49.Bd1 Ng6 50.Be2 Ne7 51.Bd1 c6 52.Be2 d5 (better is 52...c5 53.Ke3 Ng6=) 53.ed5+– cd5 54.cd5 (better is 54.c5 Nc8 55.Bd3 bc5 56.Kc5+–) 54...Nd5?? (better is 54...Kd6 55.Bc4 Ng6+–) 55.Bc4+– Kd6 56.Bd5 Kd7 57.Bc6 (better is 57.Ke4 Kd8 58.Bb7 Ke7+–) 57...Kd6 58.Be8 Ke7 (58...Ke6 59.Bf7! Kd6 60.Ke4+–) 59.Bg6 (better is 59.Kd5 Ke8 60.Kc6 Ke7+–) 59...Kd6 60.Be4 Ke6 61.Bf5 Kd6 62.Bd3 Ke6 63.Bc4 Kd6 64.Bb3 Ke7 65.Kd5 Kd7 66.Bc4 Ke7 67.Kc6 Kd8 68.Kb6 Kd7 69.Ka5 Kd6 70.Ka6 Kc5 71.b6 (better is 71.Bf7 Kd4+–) 71...Kc4 72.b7 Kd4 73.b8Q Ke3 74.Qb3 Kf4 75.Kb5 f5 76.Kc5 fg4 77.fg4 Kg4 78.Qc4 Kh3 79.Qf1 Kg3 80.Qg1 Kf4 81.Kd4 g4 82.Kd3 (82.Qf1 Kg3 83.Ke3 Kh4 84.Qf4 Kh5 85.Qf6 g3 86.Kf4 g2 87.Qg5) 82...g3+– 83.Ke2 Kg4 84.Ke3 Kh3 85.Kf3 (85.Kf4 g2 86.a5 Kh4 87.Qh2) 85...g2 (85...Kh4 86.Qg3 Kh5 87.Qg7 Kh4 88.Qg4) 86.Qg2 Kh4 87.Qg4 1–0. Fournier,Frederic (1735) – kaskotes3 (1640), Active, 2007.

8.a3 h6 9.d3 a6 10.Nbd2 Nh7 11.Qc2 b6 12.Qa4 Bd7 13.Qb3 Bf6 14.Ne4 Bf5 15.Ng3 Be6 16.Rac1 a5 17.b5 Ne7 18.Ne4 Nf5 19.a4 Rc8 20.Nc3 c5 21.Ne4 Re8 22.Nf6 Qf6 23.Nd2 Ng5 24.f4 Rc7? (24...Nh7!? 25.fe5 Qg5= (25...de5? 26.e4+–)) 25.fg5 (25.e4!? Nd4 26.Bd4 cd4 27.fg5 Qg5+–) 25...Qg5+/– 26.Ne4 Qe3 27.Rf2 Rd7 28.Rd1 d5 29.Bc1 dc4 30.Be3 (better is 30.Qb1 Qd4 31.dc4 Qd1 32.Bd1 Rd1 33.Rf1+/–) 30...cb3–/+ 31.Bc5 bc5 32.Nc5 Rc7 33.Ne6 fe6 34.Bg4?? (better is 34.Rb1=) 34...Ne3–+ 35.Be2 (35.Re1 Ng4 36.Rb2–+) 35...Nd1 36.Bd1 Rc3 (better is 36...Rc1 37.Rd2 Rf8–+) 37.Bh5 (37.Rd2 Rd8 38.Kf2 Rcd3 39.Rd3 Rd3 40.Ke2–+) 37...Rc1 38.Rf1 Rf1 39.Kf1 Rc8 (39...Rf8 40.Kg1 b2 41.Bf3 b1Q 42.Kf2 Qd3 43.h3 e4 44.Kg3 ef3 45.b6 fg2 46.Kh2 Qg6 47.h4 g1Q 48.Kh3 Qd3) 40.Bg6 b2 41.d4 ed4 (better is 41...Rf8 42.Ke2 Rf5 43.g4–+) 42.Ke2 Rc1 0–1. madik – wagstaffb, gameknot.com, 2013.

8.b5 Na5 9.d3 e4 10.Nfd2 ed3 11.Bd3 c6 12.a4 a6 13.Nc3 Qc7 14.Qc2 cb5 15.ab5 Nc4 16.ba6 ba6 17.Ne2 d5 18.Rac1 Rfc8 19.Nf4 Qb6 20.Bd4 Qb4 21.Bc3 Qd6 22.Bf6 Bf6 23.Ne6 Qe6 24.Bh7 Kf8 25.Nc4 Rc4 26.Qf5 Qc6 27.Rc4 dc4 28.Qe4 Qe4 29.Be4 Ra7 30.Rc1 c3 31.Kf1 Ke7 32.Ke2 Kd6 33.Bd3 Kc5 34.Kd1 a5 35.Kc2 Rb7 36.Rb1 Ra7 37.g4 g5 38.f4 gf4 39.ef4 a4 40.g5 Bd4 41.h4 a3 42.h5 Ra4 43.Kb3 Ra8 44.f5? c2?? 45.Rc1= Kd6 46.Rc2+/– Bb2 47.Ka2 Ke5 48.g6 fg6 49.fg6 Kf6 50.h6 Kg5 51.Rh2 Rd8 52.g7 Kf6?? 53.Bc4 Kg6 54.g8Q (54…Rg8 55.Bg8+–) 1–0. hal1958 – Andy1, playchess.de, 2003.

7.0–0 Nbd7

8.a3 c5 9.bc5 Nc5 10.d4 Nce4 11.d5 (11.de5 de5 12.Be5 Qd1 13.Rd1+= (worse is 13.Bd1 Bc4 14.Re1 Ng4–/+)) 11...Bf5 12.Nbd2 a6 13.Ne4 Ne4 14.Bd3 Qd7?? (14...Bg6 15.Qc2 f5 16.Rfb1=) 15.Be4?? (better is 15.Qc2+–) 15...Be4+= 16.Nd2 Bf5 (16...Bd3 17.Re1+=) 17.f3 Bf6 (better is 17...Bd3!? 18.Re1 b5+=) 18.e4+= Bg6 19.Rb1 (19.f4 Qd8 20.fe5 Qb6 21.Kh1 de5+=) 19...Rac8 (19...Bg5 20.Bc1+=) 20.Qb3 (20.f4 h6+=) 20...h5 (20...Bg5!? 21.Bc1 b5+=) 21.Bc3 Rb8 22.Bb4 (22.f4 b6+=) 22...b5 23.cb5 Rb5 24.Qd3 h4? (24...Rfb8 25.Nc4 Be7 26.Na5+=) 25.h3 (better is 25.a4!? Rb7 26.Qa6+/–) 25...Bg5 26.Rb3 (26.Nc4 Rc8+=) 26...Bf4 (26...a5 27.Bc3 Rb3 28.Nb3+=) 27.Rfb1 f5 28.Bc3 (28.Nc4 Rf6=) 28...fe4 (28...Qa7!? 29.Kh1 Rb3 30.Nb3 Qf2–/+) 29.Ne4= (worse is 29.fe4 Bd2 30.Bd2 Rb3 31.Rb3 Qa4–/+) 29...Rfb8 30.Rb5 Rb5 (30...ab5 31.Nf6 gf6 32.Qg6 Qg7 33.Qf5+=) 31.Rb5 ab5 32.Qb1?? (better is 32.Nf6! gf6 33.Qg6 Qg7 34.Qe8 Kh7 35.Qh5 Kg8 36.Bb4+/–) 32...Bf5 (better is 32...Qa7!? 33.Kf1 Qa3–/+) 33.Bb4 Be4 34.Qe4 Kf7 35.Qe2 Kf6 36.Qc2 (36.Qf2!? Kf7 37.Qb6=) 36...g5 (better is 36...Qa7!? 37.Kf1 Qd4 38.Bd6 Qd5+=) 37.Qc6+= 1–0. Fournier,Frederic (1695) – forly10 (1800), Active, 2005.

8.Nc3 Rb8 9.Ng5 Bf5 10.f4 ef4 11.Rf4 Bg6 12.a3 Nh5 13.Nf7 (13.Bh5?! Bg5 14.Rf1 Bd3+=) 13...Rf7 14.Bh5 Bh5 15.Qh5 Rf4 16.ef4 Qe8 17.Qa5 Nb6 18.Nd5 Nc4 19.Qc7 (19.Qa7?! Bf8 20.Bd4 c5+/–) 19...Nb2 20.Re1 (20.Qe7?! Qe7 21.Ne7 Kf7+/–) 20...Nd3 21.Re7 Qf8 22.Qc4 Nb2 23.Qb3 Kh8 24.Qb2 Rc8 25.Rb7 Re8 26.Ra7 Re6 (26...Re1 27.Kf2 Re6+–) 27.Nc7 Re7 28.Ra8 (28.Ra8 Qa8 29.Na8+–) 1–0. usingprogram (2015) – dajempunkty (1660), kurnik, 2012.

8.d3 a5 9.b5 a4 10.Ng5 Bf5 11.e4 Bg6 12.f4 ef4 13.Bd4=.

8.d3 b6 9.a3 c5 10.b5 Ne8 11.Nbd2 f5 12.a4 Nef6 (better is 12...Bf6!?=) 13.Ng5+/– Bf7 14.Nf7 Rf7 15.Nf3 h6 16.Qb3 Nf8 17.a5 ba5 18.Bc3 Qd7 19.Ra5 Bd8 20.Ra6 Ne6 21.Rfa1 Qe8 (21...e4 22.Nd2+/–) 22.Qa2 (22.Rd6!? e4 23.Ne5 Re7+–) 22...e4 23.de4 Ne4 24.Be1 (24.Bb2 Rb7+/–) 24...Rf8 (better is 24...Bf6!? 25.Rd1 Nc7+/–) 25.Ra7+– Ra7 26.Qa7 Qg6 27.b6 f4 28.ef4?? (better is 28.b7 Bc7 29.Qa3+/–) 28...Nf4–+ 29.Bf1 Nh3 30.Kh1 Rf3 31.Ra2 (31.g3 Nhf2 32.Bf2 Rf2 33.Bg2–+) 31...Nhf2 (31...Rf2 32.Qf7 Qf7 33.Bf2 Qf2 34.Rf2 Nef2) 32.Bf2 Nf2 33.Rf2 Rf2 34.Kg1 (34.Qa1 Qf5 35.Kg1 Bg5–+) 34...Qf5 (better is 34...Qf6 35.Qa1 Qa1 36.Kf2 Qf6 37.Ke1 Qc3 38.Kf2–+) 35.Qa1 (35.Bd3 Qf6 36.Qa8 Rd2 37.Qd5 Kh8–+) 35...Bb6 (35...Bg5 36.Bd3 Qd3 37.h3–+) 36.Qe1 (36.Bd3 Qd3 37.Kf2 Qc4 38.Qa8 Kh7–+) 36...Rf1! 37.Qf1 Qf1 (37...Qe4!? 38.Qd1–+) 38.Kf1 Kf7 0–1. Fournier,Frederic – nunap, Active echecs21.com, 2005.

8.d3 c6 9.Nbd2 Ne8 10.a3 Bf6 11.Qc2 d5 12.cd5 cd5 13.Rac1 Bg4 14.h3 Bh5 15.Qb3 e4? (better is 15...Nc7!?+=) 16.de4+– de4 17.Ne4 Bb2 18.Qb2 Ndf6 19.Nf6 Nf6 20.Rfd1 Qe7 21.Nd4 Be2 22.Qe2 Rac8 23.Nb5 a6 24.Nd4 Rfe8 25.Qb2 Ne4 (better is 25...Rc1!? 26.Rc1 Rd8+/–) 26.Rc8 Rc8 27.Rc1 (better is 27.Nf5!? Qf8 28.Rd7+–) 27...Rc1 28.Qc1 h6 29.Qc8 Kh7 30.Qc2 g6 31.Nf3 Qe6 32.Nd4 Qe7 33.f3 Ng5 34.e4 Qd7 35.Ne2 Ne6 36.Kf1 Qb5 37.Ke1 Qd7 38.Qd1 Qc7 39.Qd5 Kg7 40.g3 Ng5 41.Qd4 f6 42.Qc3 Qc3 43.Nc3 Nf3 44.Kf2 Ne5 45.Ke2 Nc4 46.a4 Nd6 47.Kd3 Kf7 48.Kd4 Ke7 49.Kd5 Kd7 50.g4 Nf7 51.h4 Ne5 52.g5 hg5 53.hg5 Ng4 54.gf6 Nf6 55.Ke5 Ke7 56.Nd5 Nd5 57.ed5?? (better is 57.Kd5 b6 58.Ke5+=) 57...g5–+ 58.Kf5?? (58.a5 g4 59.Kf4–+) 58...g4 59.Kg4 Kd6 60.Kf4 Kd5 61.Ke3 Kc4 62.b5 Kb4 (better is 62...ab5 63.ab5 Kb5–+) 63.ba6= ba6 64.Kd3 Ka4 65.Kc2 Ka3 66.Kb1 a5 67.Ka1 Kb3 68.Kb1 a4 69.Ka1 a3 70.Kb1 ½–½. Fournier,Frederic (1880) – clavel(C) (1675), Active, 2005.

8.d4 a5 9.a3 e4 10.Nfd2 d5 11.b5 dc4 12.Nc3 Nb6 13.Nde4=.

8.d4 a5 9.b5 ed4 10.Bd4 c5 11.Bb2 Qb6 12.Nc3 Ne5 13.Qb3+=.

8.d4 a5 9.d5 Bg4 10.a3 ab4 11.ab4 Ra1 12.Ba1 c5 13.b5=.

8.d4 a5 9.d5 Bg4 10.b5 Bf3 (10...Nc5 11.Nc3=) 11.Bf3+= b6 12.Nd2 a4 13.Qc2 g6 14.Be2 Nc5 15.Rae1 a3 16.Bc1 h5 17.Nb1 Kg7 18.Ba3 Qd7 19.f4 ef4 (19...e4 20.Bb2+–) 20.Rf4+– Nb7? (better is 20...Ng4+–) 21.Bb2 Qd8 22.Ref1 Nc5 23.Nd2 Ncd7 24.Ne4 Kg8 (24...Re8 25.Bd4+–) 25.Nf6 (worse is 25.Rf6 Bf6 26.Nf6 Nf6 27.Rf6 Qe8+–) 25...Nf6 26.Bf6 Bf6 27.Rf6 Qd7 (27...Qe7+–) 28.Bh5! gh5 (28...Qe7 29.Bg6! Qe3 30.Kh1 Qe7+–) 29.R1f5 Kh8 30.Rg5 Ra2 (30...Qe6 31.de6 fe6 32.Rh6) 31.Rh6 1–0. pierre – C_Artist_Think, ChessHere.com, 2006.

8.d4 c6 9.Nc3 (9.a3 e4 10.Ng5 Bf5 11.f3 ef3 12.Nf3 d5 13.Nc3=; 9.Nbd2 Qb6 10.a3 a5 11.Qb3 ab4 12.ab4 Bf5 13.de5+=; 9.Qc2 e4 10.Nfd2 d5 11.c5 Qc7 12.f3 ef3 13.Nf3=; 9.Qb3 a5 10.de5 de5 11.Ne5 ab4 12.Nd3 Qb6 13.Rd1=; 9.de5 de5 10.Ne5 Bb4 11.Nd7 Nd7 12.a3 Be7 13.Qc2=; 9.a4 e4 10.Ng5 Bf5 11.f3 d5 12.b5 ef3 13.Nf3=) 9...Qb6 10.a3 a5 11.b5 Bf5 12.Nh4 Bg6 13.Ng6+/–.

8.d4 e4 9.Nfd2 d5 10.a3 dc4 11.Nc4 Bc4 12.Bc4 a5 13.b5=.

8.d4 e4 9.Nfd2 d5 10.b5 a6? 11.a4? (11.cd5 Bd5 12.ba6 ba6 13.Nc3) 11...Bb4 12.c5 Ne8 13.f3 f5 14.g3 ef3 15.Nf3 ab5 16.ab5 Ra1 17.Ba1 Qa8 18.Ng5 (18...Rf6 =). Rosner – Bachmann, corr DDR–I–723.

8.d4 e4 9.Nfd2 d5 10.c5 b6 11.c6 Nb8 12.b5 a6 13.a4 Bd6 14.Ba3 Ne8 15.Qb3 f5 16.Bd6 Qd6 17.f4 (better is 17.Ra3=) 17...ab5–/+ 18.Nc3 (18.Rc1 Nc6 19.Bb5 Ne7–/+) 18...ba4–+ 19.Ra4 Ra4 20.Qa4 Nc6 (20...Qc6 21.Qb3–+) 21.Nb5 (21.Bb5!? Qb4 22.Rc1 Qa4 23.Na4–/+) 21...Qd7 22.Rc1 Na5 23.Qc2 c6 24.Na3 b5 25.Nb3 Nb3 26.Qb3 Nd6 27.Nc2 Nc4 28.Nb4 Ra8 29.Bc4 dc4 30.Qc3 Qd6 31.Rc2 (31.Rb1 c5 32.Nc2 Bd7–+) 31...Ra4 32.Rb2 Bf7 33.Nc2 Bh5 34.Rb4 Rb4 35.Qb4 Qb4 36.Nb4 c3 (36...Bf7 37.Kf1 Bd5 38.Ke2–+) 37.Kf1 Bd1 38.Ke1 Bb3 39.Nc6 Kf7 40.Nb4 Ke7 41.Na6 Kd6 42.Nb4 Kc7 43.Na6 (43.Ke2 Kb6 44.g4 fg4–+) 43...Kb6 44.Nc5 Ba4 (44...Bc2 45.h3–+) 45.Ne6? (better is 45.g4–+) 45...b4 46.Nc5 Kb5 47.h3 b3 48.Nb3 Bb3 49.g4 g6 0–1. Miranda,Jose Luis – Estepa,Omar, Juvenil, 1991.

8.d4 e4 9.Ne1 d5 10.cd5 Bd5 11.a3= Nb6 12.Nc3 a5 13.b5 Bc4 14.Bc4 Nc4 15.Qc2 Nb2 16.Qb2= Re8 17.a4 Bd6 18.h3 c5 19.Ne2 cd4 20.Nd4 Rc8 21.Nec2 Be5 22.Qb3 Qd5 23.Qd5 Nd5–/+ 24.Rac1 Rc4 25.Ra1 Rec8 26.f4 Bd4 27.Nd4 Ne3 28.Rfe1 Nc2?? 29.Nc2= Rc2 30.Re4 h6 31.Rae1 Rc1 32.Rc1+= Rc1 33.Kh2 Rc7 34.Re8 Kh7 35.Re4 Kg6 36.Kg3 f5 37.Rd4 Kf7 38.Kf3 g5 39.fg5 hg5 40.Kf2 Kf6 41.Kf3 Rc3 42.Kf2 Rc2 43.Kf3 Rc3 44.Ke2 Rc2 45.Kf1 Rc1 46.Kf2 Rc2 47.Kg1 Rc1 48.Kh2 Rc7 49.Kg3 Rc3 50.Kh2 Rc7 51.Kg1 Rc1 52.Kf2= Rc2 53.Kf3 Rc3 54.Kf2 Rc2 55.Kg3 Rc3 56.Kh2 Rc7 57.Kh1 Rc1 58.Kh2 Rc7 59.h4 gh4 60.Rh4= Kg5 61.Rd4 Rh7 62.Kg3= Rc7 63.Kf2 Rc2 64.Kg3 Rc3 65.Kh2 Rc7 66.Kg3 (66.Kg3 b6 67.Rd6=; 66.g3 Kf6=). Fugly – M8IN3, Caissa.com, 2004.

8.d4 e4 9.Ng5 Bf5 10.f3 Nd5 11.cd5 Bg5 12.f4 Bh6 13.g4+=.

8.d4 Re8 9.Nc3 (9.Nbd2 e4 10.Ng5 Bf5 11.f3 ef3 12.Bf3 d5 13.Bh5=; 9.Ng5 Bf5 10.f3 Bg6 11.Bd3 Bd3 12.Qd3 ed4 13.Qd4+=) 9...a5 10.b5 c5 11.de5 Ne5 12.Qa4 Qb6 13.Rfd1+=.

7.0–0 h6

8.Nc3 A) 8...Re8 9.Qc2 (9.Qb3 Nc6 10.b5 Na5 11.Qa4 c5 12.d3 a6 13.Qc2=; 9.a3 a5 10.b5 c5 11.bc6 bc6 12.d4 Nbd7 13.e4=; 9.d4 e4 10.Nd2 d5 11.a3 c6 12.cd5 cd5 13.Nb3=; 9.Rb1 Nbd7 10.d4 e4 11.Nd2 d5 12.cd5 Nd5 13.Nde4=) 9...Nc6 10.a3 a6 11.Rfd1 Ra7 12.d4 ed4 13.Nd4+=; B) 8...Nbd7 9.a3 (9.d4 e4 10.Nd2 d5 11.cd5 Nd5 12.Nde4 Bb4 13.a3+=; 9.d3 Re8 10.a3 a5 11.b5 Nb6 12.Rc1 a4 13.c5=; 9.Qc2 a5 10.a3 Nb6 11.d3 Re8 12.b5 a4 13.Nd2=) 9...Nb6 10.Qb3 a5 11.d4 a4 12.Qa2 e4 13.Nd2+=; C) 8...Qd7 9.Rb1 (9.Qb3 Bg4 10.d4 e4 11.Nd2 Be2 12.Ne2 d5 13.cd5+=; 9.d3 a6 10.a3 a5 11.b5 Rd8 12.d4 Bf5 13.Qa4+=; 9.b5 a6 10.Qa4 Bg4 11.d3 Re8 12.h3 Bf5 13.e4=; 9.d4 e4 10.Nd2 d5 11.cd5 Nd5 12.Nde4 Bb4 13.a3+=; 9.e4 Na6 10.a3 c5 11.b5 Nc7 12.Ne1 a6 13.ba6=; 9.a3 c6 10.e4 Nh5 11.d4 Nf4 12.Qc2 Qc7 13.Rad1+=) 9...a6 10.d4 e4 11.Nd2 d5 12.cd5 Nd5 13.Nde4+=; D) 8...a6 9.d4 (9.a3 a5 10.b5 Nbd7 11.d4 Bf5 12.de5 de5 13.Na4+=) 9...e4 10.Nd2 d5 11.cd5 Nd5 12.Nde4 Bb4 13.a3+=; E) 8...c6 9.Qb1 (9.d4 e4 10.Nd2 d5 11.a3 a5 12.b5 dc4 13.Nc4=; 9.a3 Nbd7 10.d4 e4 11.Nd2 d5 12.Rc1 a5 13.b5=; 9.Qc2 a5 10.b5 Nbd7 11.Rfb1 c5 12.d3 Qc7 13.e4=) 9...a5 10.b5 Nbd7 11.d4 Rc8 12.Rc1 Qb6 13.bc6=.

8.d3 A) 8...a5 9.b5 (9.a3 ab4 10.ab4 Ra1 11.Ba1 c6 12.Bc3 Re8 13.Nbd2=; 9.Qa4 Re8 10.a3 Nbd7 11.ba5 b6 12.Bc3 ba5 13.Nbd2=) 9...a4 10.a3 Nbd7 11.d4 ed4 12.Nd4 Ne4 13.Nd2+=; B) 8...Nbd7 9.Nc3 (9.a3 a5 10.Nc3 ab4 11.ab4 Ra1 12.Qa1 c6 13.d4=; 9.Nbd2 a5 10.b5 a4 11.Qc2 c6 12.bc6 bc6 13.d4=; 9.Qd2 c6 10.Nc3 d5 11.a3 a5 12.cd5 cd5 13.Nb5=; 9.a4 a5 10.b5 c6 11.d4 e4 12.Nfd2 Rc8 13.Nc3=) 9...a5 10.b5 Nb6 11.c5 Nbd7 12.d4 e4 13.Nd2=.

8.d4 e4 9.Nfd2 d5 10.a3 Bf5 11.cd5 Nd5 12.Qc2 c6 13.Ne4 Nf6?? 14.Nf6 Bf6 15.Qf5 Nd7 16.Nc3 Re8 17.Rad1 Nf8 18.Ne4 Nh7 19.Bd3 g6 20.Nf6 Nf6 21.Qf4 Kg7 22.e4 Qb8 23.Qf3 Qd8 24.h4 Kg8 25.d5 Nh7 26.dc6 Qh4 27.Bc4 1–0. Rosenhahn – Maes, corr 3GMM–51 1994–96.

8.d4 e4 9.Nfd2 d5 10.c5 b6 11.Qc2 Qd7 12.a3 Bg4 13.Bg4=.

7.d3 a6

8.0–0 Nc6 9.a3 b5 10.cb5 ab5 11.Nbd2 h6 12.Qc2 Nh7?? (better is 12...Bd7!?=) 13.d4 (better is 13.Qc6 Bd7 14.Qc2+–) 13...Nb8 (13...Bd7 14.de5 Ne5 15.Ne5 de5 16.Be5+–) 14.de5 de5 15.Be5 Bd6 (15...c6 16.Rfd1+–) 16.Bd6 cd6 17.Bb5 Ng5 18.Rfd1 Qe7 19.Ng5 Qg5 20.Bf1 Rc8 21.Qe4 d5 22.Qd3 Nd7 23.Nf3 Qf6 24.Qd4 Qd4 25.Nd4 (25.ed4?! Bg4+–) 25...Rc3 26.Rd3 Rac8 (26...Rcc8 27.a4+–) 27.Rc3 Rc3 28.a4 Ne5 29.b5 Nd3 (29...Rc8+–) 30.Bd3 Rd3 31.b6 (better is 31.a5!? Bc8+–) 31...Bc8 32.a5 Rd2 33.g3 Rb2 34.Nc6 Bb7 35.Nd8 Ba6 36.Nc6 Bb7 37.Nb8 White prepares the advance a6 37...Bc8 38.a6 (38.Rc1 Bf5 39.a6 Kh7+–) 38...Rb6 39.a7 Bb7 40.a8Q Ba8 41.Ra8 Kh7 42.Nd7 Rb1 43.Kg2 Rb7 (43...Kg6 44.Ra5+–) 44.Ne5 (44.Rd8 Kg6+–) 44...Rb4 (44...f6 45.Nf3+–) 45.Ra5 d4 46.ed4 Rd4 47.Nf7 Kg6 48.Ne5 Kh7 49.Nc6 Rd2 50.Ra7 Rc2 (50...Kg6 51.Ne7 Kf6 52.g4+–) 51.Nd8 Re2 52.Kf3 Re8 53.Nc6 Kg6 54.Re7 Re7 55.Ne7 Kf6 56.Nd5 Ke6 57.Nf4 Kf6 (57...Kf5 58.g4 Ke5 59.h4+–) 58.h4 g5 (58...Ke5 59.Nd3 Kd5 60.Kg4+–) 59.hg5 hg5 (59...Kg5 60.Nd5+–) 60.Nh3 Kf5 61.g4 Kf6 62.Ke4 Kg6 63.Ke5 (63.Ke5 Kg7 64.Ng5+–) 1–0. Fournier,Frederic – alliv143, Active, 2008.

8.a4 c6 9.Nbd2 Nbd7 10.e4 (10.0–0 a5 11.b5 Qc7=) 10...Re8 (10...d5 11.cd5 cd5 12.Ne5 Ne5 13.Be5 de4 14.de4 Bb4 15.Rb1+=) 11.Ng5= Nf8 12.Ne6 Ne6 13.0–0 Nf4 14.Nf3 Nd7 (14...Qd7 15.Bc1=) 15.Qc2 (15.a5 d5 16.Bc3 Qc7=) 15...Rf8 (15...d5 16.Ne5 (worse is 16.Be5 Ne5 17.Ne5 Bb4–/+) 16...Bb4 17.Nd7 Qd7 18.Bf3=) 16.Rfe1 f5 17.Bf1 (17.ef5 d5 18.cd5 Bb4 19.dc6 Be1 20.cd7 Ba5 21.Ne5 Ne2 22.Qe2 Bc7+/–) 17...fe4= 18.de4 Bg5 (18...a5 19.b5=) 19.g3 (19.c5 Be7+/–) 19...Ng6+= 20.Ng5 Qg5 21.Bc1 (21.Rad1 Qe7+=) 21...Qg4= 22.Bg2 Nh4?? (better is 22...a5=) 23.gh4+– Rf6 (23...Qh4 24.Rd1 Nf6 25.Qd3+– (25.Rd6 Ng4 26.Rd3 Qh2 27.Kf1 Rf2 28.Qf2 Nf2 29.Kf2 Rf8 30.Rf3 Qh4 31.Kf1 Qd8–/+)) 24.Re3 (24.Bg5 Rf7+–) 24...Qh4 (better is 24...Raf8+–) 25.Rh3 Qg4 26.Rg3 Qh5 27.Be3 (27.Bg5 Rf7+–) 27...Raf8 28.Qd1 Qf7 29.Qe2 (29.Bh3 Rg6+–) 29...Rg6 (29...c5 30.bc5 Nc5 31.Ra2+–) 30.Rf1 (30.Rd1 c5+–) 30...Nf6 (30...c5+–) 31.Qh5?? (better is 31.a5+–) 31...Qc4 (better is 31...Nh5 32.Rg6 Qg6–+) 32.Rg6?? (32.Qh3+/–) 32...hg6 (better is 32...Nh5 33.Rd6 Qb4–+) 33.Qg6+– Qb4 34.Qf5 Qc4 35.Bf3 (35.Rb1 b5+–) 35...Ne8 (35...Nh7 36.Qh3+/–) 36.Qg4 (36.Qh3 Qa4 37.Bg4 Rf6+–) 36...Nf6 37.Bg2?? (better is 37.Qg6 Qa4 38.Rb1+/–) 37...Ng4–+ 0–1. GuestVHRJ – GuestJBQL, freechess.org, 2017.

8.a4 Nc6 9.b5 ab5 10.ab5 Ra1 11.Ba1=.

7.d3 Nbd7

8.0–0 c5 9.a3 a6 10.bc5 Nc5 11.a4 Bd7 12.Nc3 Rb8 13.d4 ed4 14.ed4 Nce4 15.Ne4 Ne4 16.Bd3 Nf6 17.a5 b5 18.Re1 bc4 19.Bc4 Rb2 20.Ba6 Re8 21.Bd3 Bb5 22.a6 Bd3 23.Qd3 Qa8 24.a7 Rb7 25.Qa6 Nd5 26.Qc6 Nc7 27.Qe4 Ne6 28.d5 Nc5 29.Qf5 g6 30.Qc2 Ra7 31.Ra7 Qa7 32.Nd4 Qd7 33.Qe2 Kf8 34.Qe3 Bf6 35.Qh6 Bg7 36.Re8 Qe8 0–1. Mangold – Lellinger, 1994.

8.a4 h6 9.0–0 a5 10.b5 c6 11.Nc3 Rc8 12.Nd2 d5 13.cd5 cd5 14.Bf3 Nc5 15.d4 ed4 16.ed4 Nd3 17.Qb1 Bf5 18.Be2 Nb2 19.Qb2 Bb4 20.Rac1 Qd7 21.Na2 Bd2 22.Qd2 Ne4 23.Qa5 Nd6 24.Qb4 Rfe8 25.Bf3 Nc4 26.Rfe1 Re6 27.Re6 Qe6 28.Re1 Qf6? 29.Bd5 Qd4 30.Bb7 Rc5 31.Bc6 Bd3 32.Nc1 Rf5 33.Nd3 Qd3 34.Be4 (34…Qd6 35.Qc4+–) 1–0. hal1958 – Andy1, playchess.de, 2003.

8.Nbd2 c6 9.0–0 Rc8 10.h3 Ne8 (10...Qb6 11.a3=) 11.d4 f6 (better is 11...f5=) 12.d5 (better is 12.Qa4+=) 12...cd5–/+ 13.cd5 Bd5 14.a4 Be6 15.Ne4 (15.Rc1 Rc1 16.Qc1 d5–/+) 15...d5–+ 16.Nc5 (16.Nc3 Nb6 17.b5–+) 16...Nc5 17.bc5 Bc5 18.Rc1 Nd6 19.Qb3 b6 20.Ba6 Rc7 21.Bd3? (21.Nd4 Bf7 22.Bd3 Qe7–+) 21...Bf7 Black plans e4 (21...e4 22.Nd4 Bd4 23.Bd4 ed3 24.Rc7 Qc7 25.Qd3–+) 22.Qc2 (22.Bb1–+) 22...e4 23.Be4 (23.Be2 ef3 24.Bf3 Nc4–+) 23...Ne4 (23...de4 24.Nd2 Qe7 25.Bd4–+) 24.Rfd1 Qe7 25.Nd4 Bg6 26.Qe2 Bd4 27.Rc7 Qc7 28.Rd4 Bf7 29.f3 Nc5 30.Qb5 (30.a5 ba5 31.Qc2 Rb8–+) 30...Qe7 31.Ba3 (31.Bc1–+) 31...Qe3 (31...Qe3 32.Kh2 Qd4 33.Bc5 bc5–+) 0–1. GuestKRVB – GuestVSTY, freechess.org, 2017.

8.Nbd2 h6 9.Qc2 Ne8 10.d4 f6 (10...f5 11.d5 Bf7 12.0–0+=) 11.0–0 (11.Nh4 c6+/–) 11...c6 12.de5 (12.b5!?+/–) 12...fe5+= 13.Ne4 (13.c5 a5 14.a3 ab4 15.ab4 Ra1 16.Ra1 Nef6+=) 13...Ndf6 14.Ng3 Nc7 15.a3 Qe8 16.Rad1 Rd8 17.Nh4 e4 18.Ne4 Ne4 19.Qe4 Bf7?? 20.Qg4 Ne6? 21.Nf5 Bg6 22.Ne7 (22.Ne7 Qe7 23.Qg6+–) 1–0. Raimondi – lea_dc, internet, 2005.

6.Be2 Re8

7.0–0 c5 8.bc5 e4 9.Ne1 (9.Ng5 h6 10.cd6 Bd6 11.Nh3+=; 9.cd6 ef3 10.de7 Qb6 11.Bf3–/+) 9...dc5 10.f3 Bd6 11.fe4=.

7.0–0 c6 A) 8.d4 A1) 8...Nbd7 9.Nc3 (9.de5; 9.Qb3) 9...Qb6 10.a3 a5 11.b5+=; A2) 8...a5 9.b5 (9.de5 de5 10.b5 e4 11.Nd4=) 9...e4 10.Nfd2 cb5 11.cb5=; A3) 8...e4 9.Nfd2 (9.Ne1 d5 10.c5 b6 11.Nc3+=) 9...d5 10.a3 a5 11.ba5=; B) 8.a3 B1) 8...e4 9.Nd4 (9.Ne1 d5 10.cd5 Nd5 11.Nc3=) 9...c5 10.Nb3 cb4 11.ab4=; B2) 8...Bg4 9.Nc3 Nbd7 10.d4 e4 11.Nd2=; B3) 8...a5 9.Nc3 (9.d4 e4 10.Nfd2 ab4 11.ab4=; 9.d3 ab4 10.ab4 Ra1 11.Ba1=) 9...ab4 10.ab4 Ra1 11.Qa1=; C) 8.d3 C1) 8...Qb6 9.Bc3 (9.a3 Bg4 10.Nc3 Nbd7 11.h3=; 9.Qd2 Bf5 10.a4 a5 11.b5=) 9...Be6 10.a4 Qc7 11.Nbd2=; C2) 8...Bf5 9.Nc3 (9.e4 Bg4 10.h3 Bh5 11.Nc3=) 9...d5 10.Ne5 Bb4 11.Qb3=; C3) 8...Bg4 9.Nc3 (9.a4 Nbd7 10.h3 Be6 11.d4=; 9.a3 Qb6 10.Nc3 Nbd7 11.h3=) 9...Qb6 10.a3 Nbd7 11.h3=.

7.0–0 Nbd7 8.d3 c5 9.b5 b6 10.a4 Bb7 11.Nbd2 Nf8 12.e4 Ng6 13.g3 Bf8 14.Re1 Qd7 15.Bf1 Qg4 16.Bg2 h5 17.Nf1 h4 18.N3d2 Qg5 19.Bc1 hg3 20.fg3 Qh6 21.Nf3 Qh7 22.Qd2 Be7 23.Ng5 Qh5 24.Qe2 Ng4 25.Nh3 1–0. Fournier,Frederic (1995) – ktos1 (1610), Active (3/0), 2005.

7.0–0 e4 8.Ne1 (8.Nd4 c5 9.Nc2 cb4 10.Nb4 Be6 11.Nc3 Qa5 12.Qb3 Nbd7=) 8...Nc6 (8...d5 9.a3 a5 10.b5 Nbd7 11.cd5 Nd5 12.Qc2 Bd6=) 9.b5 Ne5 10.f4 (10.f3 a6 11.fe4 ab5 12.cb5 Ne4=) 10...Ned7 11.Nc3 Nc5 (11...a6 12.ba6 Ra6 13.d4=) 12.Nc2 (12.d4 ed3 13.Nd3 Nfe4=) 12...d5 (12...a6+=) 13.Nd4 Be6 14.f5 Bc8 15.cd5 Nd5 16.Bc4 (16.Nd5!? Qd5 17.Qc2=) 16...Nb6–/+ 17.Bf7? (better is 17.Be2!?–/+) 17...Kf7–+ 18.Qh5 Kg8 19.f6 gf6 20.Rf4 (20.Ba3 Nba4–+) 20...Rf8 (20...Bd6 21.Rf6 Qf6 22.Qe8 Qf8 23.Qh5–+) 21.Rh4 (21.Ba3 Qe8 22.Qe8 Re8 23.Ne4 Ne4 24.Re4–+) 21...Rf7 22.Rf1 Nc4 23.Ba1 (23.Bc1 Rg7 24.Ne4 Ne4 25.Re4 a6–+) 23...Ne5 (23...a6 24.Nf5 Bf5 25.Rf5 Qd2 26.Rg4 Rg7 27.Rg7 Kg7 28.Nd5 Ne3 29.Qg5 Kf7 30.Rf6 Ke8 31.Rf8 Bf8 32.Qe5 Kf7 33.Qf6 Ke8 34.Qe5 Kf7 35.Qf6 Ke8 36.Qe5=) 24.Ne4 Ne4 25.Re4 Rg7 26.Re5 fe5 27.Qe5 Qd6 28.Nf5 Qe5 29.Nh6 (29.Be5? Bf5 30.Rf5 Rf7 31.Rf7 Kf7 32.Bc7 Rc8–+) 29...Kh8 30.Be5 Be6 31.Nf7 Kg8 32.Nh6 Kh8 33.Nf7 Kg8 34.Nh6 ½–½. Stolyar,Sergey Efimovich – Elliston,Robert V, corr ENG–AUS, 1990.

7.d3 A) 7...c6 A1) 8.a3 Be6 (8...Qb6 9.0–0 Bg4 10.h3 Be6 11.d4 e4 12.Nfd2 Nbd7=; 8...Bf5 9.e4 Bg4 10.0–0 a5 11.b5 Qb6 12.Nc3 Nbd7=; 8...Bg4 9.Nc3 Nbd7 10.0–0 a5 11.b5 d5 12.h3 Bf5=; 8...a5 9.0–0 Nbd7 10.b5 cb5 11.cb5 Qb6 12.Nc3 d5=) 9.0–0 a5 10.Ng5 Bd7 11.f4 ef4 12.Rf4 h6+= ; A2) 8.Bc3 Bf5 (8...Qc7 9.0–0 Bg4 10.h3 Bh5 11.g4 Bg6 12.Nh4 d5=; 8...Nbd7 9.0–0 Qc7 10.Nbd2 d5 11.Rc1 e4 12.Nd4 Ne5=; 8...Qd7 9.0–0 Qf5 10.e4 Qg6 11.Bd2 Bg4 12.Nh4 Qh5=; 8...Qb6 9.0–0 Be6 10.a4 Na6 11.b5 Nc5 12.d4 ed4=; 8...Na6 9.0–0 Be6 10.a4 Qc7 11.Nbd2 Bf5 12.e4 Bg4+=; 8...Be6 9.0–0 Nbd7 10.Nbd2 d5 11.a3 Qc7 12.Ng5 Bf5=; 8...b6 9.Nbd2 Nbd7 10.0–0 Qc7 11.a4 c5 12.bc5 dc5=) 9.0–0 Nbd7 10.e4 Bg4 11.h3 Bh5 12.Nbd2 d5= ; A3) 8.Nc3 d5 (8...Qb6 9.a3 Bg4 10.h3 Be6 11.d4 a5 12.b5 Nbd7= ; 8...Bg4 9.0–0 Nbd7 10.h3 Be6 11.Ng5 Bf5 12.f4 ef4= ; 8...Bf5 9.0–0 d5 10.Ne5 Bb4 11.Qb3 Qe7 12.cd5 Bc3= ; 8...Bd7 9.0–0 Bg4 10.h3 Bh5 11.a3 a5 12.b5 Qc7= ) 9.a3 a5 10.b5 d4 11.ed4 ed4 12.Ne4 c5=; A4) 8.0–0 Qb6 (8...Bg4 9.a3 a5 10.Nc3 Nbd7 11.b5 d5 12.h3 Bf5= ; 8...Bf5 9.Nbd2 Qb6 10.a3 a5 11.c5 Qd8 12.Nc4 ab4= ; 8...a5 9.b5 a4 10.a3 cb5 11.cb5 Be6 12.Nc3 Bb3= ; 8...Nbd7 9.Nc3 Qc7 10.d4 e4 11.Nd2 d5 12.cd5 cd5= ; 8...b6 9.Nc3 Qc7 10.a3 a6 11.e4 c5 12.b5 Bd7= ; 8...a6 9.Nc3 Nbd7 10.d4 e4 11.Nd2 d5 12.a3 Bd6= ) 9.a3 a5 10.Qa4 Na6 11.Nbd2 ab4 12.ab4 Bd7= ; B) 7...Bg4 B1) 8.h3 Be6 (8...Bf5 9.0–0 Na6 10.a3 c5 11.b5 Nc7 12.Nbd2 Rb8=; 8...Bh5 9.0–0 a5 10.b5 c6 11.Nc3 Qc7 12.g4 Bg6+=; 8...Bd7 9.0–0 Nc6 10.b5 Nb8 11.Nc3 a6 12.Qa4 c6=) 9.0–0 a5 10.b5 a4 11.a3 Nbd7 12.Ng5 Bf5=; B2) 8.0–0 a5 (8...Nbd7 9.h3 Be6 10.Ng5 Bf5 11.f4 ef4 12.Rf4 Bg6=; 8...a6 9.Nc3 Nc6 10.a3 Qd7 11.Nd5 Be6 12.Ne7 Qe7=; 8...c6 9.Nbd2 Nbd7 10.h3 Be6 11.a3 a5 12.Ng5 Bf5=; 8...Qd7 9.Nc3 a5 10.b5 c6 11.h3 Be6 12.Ng5 Bf5=; 8...Na6 9.a3 c5 10.b5 Nc7 11.Nfd2 Be2 12.Qe2 a6=; 8...Qc8 9.Nc3 Nbd7 10.Nd2 Be6 11.f4 ef4 12.Rf4 c5=) 9.b5 a4 10.Nfd2 Be2 11.Qe2 c6 12.d4 Nbd7= ; B3) 8.Nbd2 a5 9.b5 a4 10.0–0 c6 11.h3 Be6 12.bc6 Nc6= ; B4) 8.Nc3 d5 (8...Nbd7 9.0–0 a5 10.b5 Nc5 11.d4 ed4 12.Nd4 Be2=) 9.a3 a5 10.b5 e4 11.de4 de4 12.Nd4 Bd7= ; C) 7...d5 C1) 8.a3 a5 (8...e4 9.Nd4 a5 10.b5 c5 11.bc6 Nc6 12.cd5 Nd4= ) 9.Be5 ab4 10.ab4 Ra1 11.Ba1 Bb4 12.Bc3 Nc6= ; C2) 8.Be5 Nc6 (8...Bb4 9.Bc3 Nc6 10.d4 dc4 11.Bc4 a5 12.a3 Bd6=) 9.a3 a5 10.ba5 Ne5 11.Ne5 d4 12.e4 Ra5= ; C3) 8.0–0 e4 9.de4 de4 10.Qd8 Rd8 11.Nfd2 c5 12.b5 a6=; C4) 8.c5 e4 (8...a5 9.a3 e4 10.de4 de4 11.Ne5 Qd1 12.Bd1 Nd5= ; 8...Nbd7 9.0–0 e4 10.de4 de4 11.Nd4 a5 12.a3 ab4+= ) 9.de4 de4 10.Ne5 Qd1 11.Bd1 Nd5 12.a3 Bf6+= ; C5) 8.Qb3 dc4 (8...e4 9.de4 de4 10.Nd4 a5 11.ba5 c5 12.Nb5 Qa5=; 8...a5 9.ba5 dc4 10.dc4 e4 11.Nd4 c5 12.Nb5 Qa5=) 9.dc4 e4 10.Nd4 a5 11.ba5 c5 12.Nb5 Qa5=.

7.0–0 Bf8

8.a3 A) 8...e4 9.Nd4 (9.Ne1 d5 10.f3 a5 11.b5=) 9...a5 10.d3 c5 11.Nc2+=; B) 8...a5 9.b5 (9.d4 e4 10.Nfd2 ab4 11.ab4=; 9.Qa4 Nbd7 10.d4 e4 11.Nfd2=) 9...Qe7 10.Nc3 Qd7 11.d4+=; C) 8...Be7 9.d4 (9.Nc3 a5 10.d4 ab4 11.ab4=; 9.d3 a5 10.b5 Bg4 11.Ng5=) 9...ed4 10.Nd4 a5 11.Nd2=.

8.Nc3 Nc6 9.b5+= Ne7 (9...Na5 10.Qa4 c6 11.bc6 Nc6 12.Nd5 g6 13.Rac1 Bg7 14.Qb3 Ne4 15.d3) 10.Rc1 (10.d4 Ng6+= (10...e4 11.Nd2 d5 12.Qb3 Be6 13.cd5 Ned5 14.Nce4 Nf4 15.Nf6) 11.de5 Ne5 12.Ne5 de5 13.Qc2 Bd6 14.Rad1 Qe7 15.Ne4) 10...Ng6 (10...a6 11.c5 Bf5 12.Qb3 Be6 13.Qc2 Ned5 14.c6 bc6 15.Nd5) 11.d3 (11.Qb3 Bf5 12.Nd5 c6 13.Nf6 Qf6 14.Bc3 Be7 15.d3) 11...Be6 (11...a6 12.a4= h6 13.Qb3 Be6 14.d4 ab5 15.ab5) 12.Ng5 Bd7 (12...a6 13.Ne6 fe6 14.a4 d5 15.cd5) 13.Bf3 h6 (13...c6 14.d4= (14.g3 d5 15.cd5) 14...Nh4 15.Be2) 14.Nge4+= Nh7 (14...Ne4 15.Be4) 15.Bh5 (15.g3+/–) 15...Nh4 16.g3 (16.f4 g6 17.Bf3 f5+=) 16...Nf5= 17.Bf3 Ne7 (17...a6 18.a4=) 18.Nd2 c6 19.Bg2 Ng5 20.Nde4 (20.f4 ef4 21.gf4 Ne6+=) 20...Ng6 (20...Ne4 21.Ne4 Nf5 22.Qf3=) 21.Qh5 Ne6 (21...Qc8 22.f3+=) 22.Ba3 d5 23.Bf8 de4 24.Bb4 (24.Bd6 ed3 25.Qd1 Ng5 26.Qd3 Bh3=) 24...ed3 25.Rfd1 Qc8 26.f3 (26.bc6 bc6 27.Rd3 Nef4 28.gf4 Bg4–/+) 26...Ng5 27.h4 (27.bc6 Bc6 28.e4 Qe6+=) 27...Nh3 28.Bh3 Bh3 29.Rd3 (better is 29.Ne4 Rd8 30.Nd6+=) 29...e4!–+ 30.Ne4 (30.Ne4 Re5 Combination; 30.fe4 Qg4 Double attack (30...Qg4 Decoy)) 30...Re5 31.Ng5 hg5 32.Bd6 (32.hg5 Be6 33.Rd2 Qc7–+ (33...cb5?! 34.Rh2 f6 35.Qg6 Rg5 36.Qh7 Kf7 37.Bd6+=)) 32...Qe6 33.Be5 (33.bc6 bc6 34.e4 g4 35.Be5 Ne5–+ (35...Qe5?! 36.Qe5 Ne5 37.Ra3–+)) 33...Ne5 34.Rdc3 g6 35.Qh6 Nf3 36.Kf2 Nd2 (36...Nd2 37.Ke2 Qe4 38.Qg5 Qg2 39.Kd3 Bf5 40.Qf5 Rd8 41.Kc2 gf5–+) 0–1. Kagan,Yosif (2290) – Kende,Gyorgi (2225), FSIMB August, Budapest HUN, 2005.

8.Nc3 e4 A) 9.Ne1 A1) 9...a5 10.b5 Nbd7 11.d3 Nc5 12.d4 Ncd7 13.Nc2 g6 14.f3 Bg7 15.Ne4; A2) 9...d5 10.Rc1 (10.cd5 Bb4 11.Nc2 Bc3 12.dc3 Nd5 13.c4 Nf6 14.Nd4 Na6 15.h3; 10.Qb3 Be6 11.cd5 Nd5 12.Ne4 Nb4 13.Qc3 Na2 14.Qc2 Nb4 15.Qc3) 10...dc4 11.Bc4 Nc6 12.f3 Bb4 13.Ne4 Re4 14.fe4 Bd2 15.Qb3; A3) 9...Na6 10.b5 (10.Qb3 d5 11.cd5 Bb4 12.Ba6 Bc3 13.Bc3 ba6 14.Bf6 Qf6 15.Rc1; 10.a3 g6 11.d4 c6 12.d5 Nc7 13.dc6 bc6 14.Nc2 Bb7 15.b5) 10...Nc5 11.d4 ed3 12.Nd3 Bf5 13.Nc5 dc5 14.Bf3 Ne4 15.Qa4; B) 9.Nd4= c5 10.Nc2 (10.bc5 dc5 11.Nb3 Nc6 12.f3 ef3 13.Bf3 Ne5 14.Nd5 Nc4 15.Nf6) 10...Nc6 11.Nd5 Nd5 12.cd5 Ne5 13.f4 ef3 14.Bf3 Bf5 15.Be5.

8.d3 A) 8...Be7 9.Nc3 (9.a3 a5 10.Nc3 Qd7 11.b5=; 9.Nbd2 a5 10.a3 Bd7 11.b5=) 9...a5 10.b5 Nbd7 11.d4=; B) 8...a5 9.a3 (9.b5 a4 10.a3 Nbd7 11.d4=; 9.Qa4 Nbd7 10.a3 Be7 11.Nbd2=) 9...Be7 10.b5 c6 11.Nc3=; C) 8...Nbd7 9.Nbd2 (9.a3 a5 10.b5 c6 11.Nc3=; 9.Nc3 d5 10.c5 Be7 11.d4=) 9...Qe7 10.a3 a5 11.Qc2=; D) 8...a6= 9.a3 (9.Nc3 Nc6 10.a3 d5 11.d4=; 9.Nbd2 Nc6 10.a3 Qe7 11.d4=) 9...Nc6 10.Nc3 d5 11.d4=.

8.d4 ed4 9.Nd4 (9.ed4 d5 10.c5 b6 11.Ne5=; 9.Bd4 Nc6 10.Bc3 Ne4 11.b5=) A) 9...g6 10.a3 (10.h3+= Bg7 11.a3+=) 10...Bg7 11.Nc3+=; B) 9...c5 10.Nc2 Nc6 11.a3=.

8.d4 Nbd7 9.de5 (9.Nc3 a5 10.a3 e4 11.Nd2=; 9.a3 e4 10.Nfd2 d5 11.Nc3+=) 9...de5 10.c5 a5 11.a3+=.

8.d4 e4 9.Nfd2 (9.Ne1 d5 10.c5 b6 11.Qc2=) 9...c6 (9...a5 10.b5= Bf5 11.Nc3+=; 9...d5 10.a3 a5 11.b5=) 10.Nc3+= d5 (10...Na6 11.b5 cb5 12.Nb5+=) 11.Qb3 (11.a3 Be6+=) 11...Be6 12.cd5 (12.b5 Nbd7+=) 12...cd5 13.b5 (13.Na4 Nbd7+=) 13...Nbd7= 14.Rfc1 (14.Ba3 Rc8=) 14...Bd6 (14...Qa5 15.Qd1=) 15.Nf1 (15.Ba3 Nb6=) 15...h5 (15...Rc8 16.Nd2=) 16.a4 (16.h3 Rc8=) 16...Nf8 (16...Nb6 17.Ba3+=) 17.Ba3 Bc7 (17...Ng6 18.a5=) 18.Qd1 (18.Rc2 Rc8=) 18...h4 (better is 18...Bg4=) 19.f4 (better is 19.h3=) 19...ef3–/+ 20.Bf3 (20.gf3 Ng6–/+) 20...h3 21.Qe2 (21.Ra2 Rc8–+) 21...N8h7–+ 22.Qf2 (22.Ng3 Rc8–+) 22...Ng5 23.Ng3 Rc8 24.Nce2?? (24.Bc5–+) 24...hg2 25.Bg2 (25.Qg2 Bh3 26.Qf2 Ng4 27.Bg4 Bg4–+) 25...Ng4 (25...Ng4 26.Qe1 Ne3–+) 0–1. Koerner,Helmut (2060) – Hickl,Joerg (2540), Berliner Sommer, 1998.

8.d4 Qe7 9.Nc3 (9.a3 ed4 10.Nd4 a5 11.Nc3+=; 9.d5 a5 10.a3 ab4 11.ab4=) 9...a5 10.b5 Bf5 11.Rc1+=.

7.d4 e4

8.Nfd2 d5 9.a3 c6 10.Nc3 Nbd7 11.Qb3 Nf8 12.0–0 Be6 13.b5 h6 14.a4 Qd7 15.bc6 bc6 16.cd5 Nd5 17.Nce4 Nf4 18.Bc4 Ng2? (better is 18...Ne2 19.Kh1 f5+/–) 19.Be6 Ne6 20.Kg2 Rab8 21.Qa2 Qd5 22.Bc3 Qf5 23.Ng3 Qg4 24.Nde4 Kh7 25.Qe2 Qg6 26.Qh5 Qh5 27.Nh5 f5 28.Nd2 g6 29.Ng3 f4 30.Nge4 g5 31.Rab1 1–0. Gorbylyov – Kulakov, BLR–ch disabled corr, 2000.

8.Nfd2 Bf8 9.Nc3 c6 10.0–0 d5 11.Qb3 Be6 12.b5 Nbd7 13.Ba3 dc4 14.Bc4 (worse is 14.Nc4 cb5 15.Nb5 a6–/+) 14...c5 15.Ne2 cd4 16.Be6 Re6 17.Nd4 Re5 18.Bf8 Qf8 19.Rfd1 Nc5 20.Qc3 Rd5 21.Rac1 Ng4 22.Rc2 Qe8 23.Nc4 Qb8 24.f4 Qd8 25.h3 Nf6 26.Na5 ½–½. Van Daatselaar,Jan Bart – Baumann,Ralf Ruediger (2330), ICCF Jubilee P014 email, 2001.

6.Be2 Bf5

7.0–0 c6 8.a3 Nbd7 9.d3 Bg6 (9...a5 10.Nc3=) 10.Nh4+= Ne8 (10...a5 11.f4=) 11.Ng6 fg6 12.Nd2 Ndf6 13.Qc2 Nc7 14.d4 ed4 15.ed4 Qd7 16.h3 Rae8 17.Nf3 Qf5 (17...Nh5 18.Bc1+=) 18.Bd3 Qh5 19.Rfe1 Bd8 20.d5 (20.Re2!?+/–) 20...Re1 21.Re1 (21.Re1 cd5 22.c5 dc5 23.Re5+=) 1–0. GuestLWKQ – GuestJQTT, freechess.org, 2017.

7.0–0 e4 8.Nd4 Bg6 9.f4 c5 10.Nc2 (better is 10.f5 cd4 11.Bd4 Bf5 12.Rf5=) 10...Nc6?? (better is 10...Bf5=) 11.f5+– cb4 12.fg6 fg6 13.a3 (13.d3 d5+–) 13...d5 (13...ba3 14.Nba3 d5 15.Nb5+–) 14.ab4 Nb4 15.Nb4 Bb4 16.Qb3 a5 17.Bf6 (17.cd5 Qd6+–) 17...gf6 (17...Rf6 18.cd5 Rf1 19.Bf1+–) 18.Nc3 dc4 (18...d4 19.Ne4 Qe7 20.c5 Kh8 21.Rf4+–) 19.Bc4 Kg7 20.Ne4 Bd2 (20...f5 21.Qb2 Kh6+–) 21.Rad1 (21.Rfd1 Be3 22.Qe3 Qe7+–) 21...Re8 (21...Be3 22.Qe3 Qe7+–) 22.Rd2 Qe7 23.Nf6 Qe3 (23...Red8 24.Ng4 Qb4 25.Rf7 Kh8 26.Nf6 Rd7 27.Rfd7 Qe7 28.Re7 a4 29.Rh7) 24.Qe3 Re3 25.Rd7 Kh8 (25...Re7 26.Re7 Kh6 27.Rh7 Kg5 28.h4) 26.Rh7 1–0. pcmvr (2530) – petemarkou (2175), net–chess.com, 2006.

7.0–0 Re8 8.Nc3 Nbd7 9.Nh4 Be6 10.d4 ed4=+ 11.ed4 d5 12.c5 Ne4 13.Ne4 de4 14.d5 Bh4 15.de6 Re6 16.Bg4 Re7 17.a4 Bf6–/+ 18.Rb1 Bb2 19.Rb2 Nf6 20.Rd2 Qe8 21.h3 Ng4–/+ 22.hg4 e3 23.fe3 Re3 24.Rdf2 Re7 25.Qb3 Rd8 26.Rf4 Rdd7 27.Qc4 Re1 28.Re1 Qe1 29.Rf1 Qe3 30.Kh2 Qh6 31.Kg1 Qe3 32.Kh2 Qd4 33.Qe2 h6 34.Qe8 Kh7 35.Rf7 Rf7 36.Qf7 Qg4 37.Qb3 h5 38.Qd3 Qg6 39.Qd5 Qc6 40.Qh5+= Qh6 41.Qh6 Kh6 42.b5 Kg5= 43.Kg3 Kf5 44.Kf3? Ke5 45.Kg4 Kd5 46.Kg5? Kc5–+ 47.Kg6 Kb4 48.Kg7 c5 49.bc6–/+ bc6 50.g4 c5 51.g5 c4 52.g6 c3 53.Kf6 c2 54.g7 c1Q 55.g8Q Qf4 56.Ke7 Qe5 57.Kd7 Ka4 58.Qc4 Ka3 59.Qa6=+ ½–½. algernon (2110) – ramli (1990), net–chess.com, 2005.

7.b5 a6 8.0–0 =+.

7.b5 Nbd7 8.0–0 (8.d4 Qe8=) 8...c6 (8...a6 9.d4 ab5 10.de5 de5 11.cb5=) 9.a4= Qc7 10.d4 e4 11.Nh4 (11.Nfd2 d5=) 11...Be6 12.g3 (12.Nc3 d5 13.bc6 bc6 14.Rc1 dc4 15.Qc2–/+) 12...cb5–/+ 13.cb5 d5 (13...Nd5 14.Ng2–/+) 14.Qd2 (14.Ba3 Ba3 15.Ra3 Rac8+=) 14...Rfc8 (14...Nb6 15.Ba3–/+) 15.Rc1 Qd8 16.Nc3 (16.a5 Rc1 17.Bc1 Bd6+=) 16...Nb6–/+ 17.Ng2 Nc4 18.Bc4 Rc4 19.Rc2 (19.Ba3 Ba3 20.Ra3 a6+=) 19...Rac8 (19...Bb4 20.Nf4–+) 20.Rac1 (20.Ba3!?–/+) 20...Bb4 21.Nf4 Bg4 22.h3 Bf3 23.Nfe2 (23.Ng2 Bg2 24.Kg2 Qa5–/+) 23...Qd7 (23...Qa5 24.Kh2–+) 24.Kh2 Qf5 (24...a6 25.Ng1 Bh5 26.g4 Qd6 27.Kg2–/+) 25.Qe1 (25.Ng1 a6–/+) 25...Qh5–+ Do you see the mate threat? 26.Qf1? (better is 26.Nf4 Qh6 27.Qf1–/+) 26...Be2 27.Ne2 (27.Qe2 Qe2 A) 28.Ne2?? Rc2 29.Kg2 R8c4 (29...Re2?! 30.Rc8 Bf8 31.Ba3+=) 30.Rc2 Rc2–+; B) 28.Re2 Bc3 29.Bc3 Rc3 30.Rc3 Rc3 31.Rb2–+) 27...Rc2 28.Nf4 (28.Kg1 R8c4 29.Nf4 Qf3 (29...Rb2?! 30.Nh5 Nh5 31.Rc4 dc4 32.Qc4=) 30.Rc2 Rc2–+) 28...Rc1 29.Bc1 Qf3 (29...Qf3 30.Kg1 Rc2–+) 0–1. Holz auf der Heide,Gerhard – Schildheuer,Kai, Leipzig VfB op 3rd, 1996.

7.Nc3 a5 8.a3 (8.b5 c5=) 8...ab4 9.ab4 Nc6 (9...Ra1 10.Qa1 Nc6 11.b5=) 10.Ra8 Qa8 11.b5 Nb4 12.d3 e4 (12...Qa7 13.0–0=) 13.de4 (13.Nh4 Be6 14.de4 Ne4 15.Ne4 Qa2+/–) 13...Be4 (13...Ne4 14.0–0=) 14.Ne4+= Ne4 15.Qb1 Qa2 Threatening mate... how? 16.0–0 (16.Qa2 Na2 17.Nd4 Bf6+=) 16...Nc5 (16...Qb1 17.Rb1 Ra8 18.Ra1 Ra1 19.Ba1=) 17.Qa2+/– White fights for the Initiative 17...Na2 18.Ra1 Nb4 (18...Ra8 19.Bd1 Ra5 20.Nd4+=) 19.Ra7 Nbd3 (19...Rb8 20.Ne1 Ne4 21.Nd3 Nd3 22.Bd3+/–) 20.Bd3 (20.Ba3 Rb8+/–) 20...Nd3 21.Bd4 Rb8 22.Kf1 f6 23.Ke2 Nc1 24.Kd2 Nb3 25.Kc3 Nd4 (25...Nc5 26.Nd2+/–) 26.Kd4 (26.Nd4 Kf7+/–) 26...Kf7 (26...f5 27.Kd3 Bf6 28.Nd2+/–) 27.Kd5 f5 28.Nd4 g6 29.Nb3 (29.b6!? cb6 30.h3+/–) 29...c6+= 30.Kd4 Bd8 31.Ra2 Ke6 (31...Bh4 32.g3 Bf6 33.Kd3 cb5 34.cb5+=) 32.Kd3 Bb6 33.Nd4 (33.h3 Re8+=) 33...Bd4 34.Kd4 (34.ed4 cb5 35.cb5 Rc8+=) 34...c5= 35.Kd3 (35.Kc3 Rd8=) 35...Rd8 36.Ra7 Rd7 37.e4 (37.Ra8 d5=) 37...Ke5 (37...fe4 38.Ke4 Re7 39.Ra8=) 38.f3+= fe4 (38...Re7 39.b6+=) 39.fe4 h5 40.Ke3 Rf7 (40...h4 41.Ra8+=) 41.g3 (41.Ra8 Rg7+=) 41...g5 42.Ra8 g4 43.Re8 Kf6 44.e5 (44.Rh8 Kg5 45.Rd8 Rf3 46.Ke2 Rc3 47.Rd6 Rc4+/–) 44...de5= 45.Ke4 Rd7 46.Rf8 Kg7 47.Rf5 Rd4 48.Ke5 Rc4 49.Kd5 (49.Kd6 Kh6 50.Rc5 Rd4 51.Kc7 Rd2 52.Kb7 Rh2+–) 49...Rc2 (49...Rc1 50.Rh5 c4 51.Rg5 Kf6 52.Rg4+–) 50.Rh5+/– Kg6 51.Rh4 Kg5 52.Rh7 b6 53.Kc6 c4 54.Kb6 c3 (54...Rc1!?+/–) 55.Rc7+– Rh2 (55...Kf5 56.Rc4+–) 56.Rc3 Rf2 (56...Kf5 57.Kc5 Rh8 58.Rb3+–) 57.Ka6 Rf3 (57...Ra2 58.Kb7 Kf6+–) 58.Rc5 Kf6 59.b6 Rg3 (59...Ra3 60.Ra5 Re3+–) 60.b7 (60.b7 Re3 61.b8Q Ra3 62.Kb6 Rb3 63.Rb5 Rb5 64.Kb5+–) 1–0. Kreuzer – Schreiber, Mergentheim, 1985.

7.Nc3 e4 8.Nd4 Bg6 9.d3 =.

7.d3 e4 8.Nh4 (8.de4 Be4 9.Nc3 d5+=) 8...ed3 (8...Be6!? 9.de4 Ne4+=) 9.Nf5= de2 10.Ne7 (10.Qe2 Nc6=) 10...Qe7+= 11.Qe2 Ne4 12.0–0 Nd7 13.Nd2 d5 (13...f5 14.Qd3=) 14.cd5 Qb4 15.Ne4 Qe4 16.Qb5 Nb6 17.d6 (17.Rfd1 Rad8 18.Rd4 Qg6+=) 17...cd6= 18.Rfd1 d5 19.Rd4 (19.Bd4!?=) 19...Qe6+= 20.Rad1 Rac8 21.h3 Rc2 22.Rg4 f6 23.Bd4 Rfc8 (23...Ra2 24.Bb6 ab6 25.Rd5=) 24.Bb6 ab6 25.Rd5 Ra2 26.Rgd4 Rac2?? (better is 26...Ra1 27.Kh2 Ra5=) 27.Qb3 (27.Rd8 Rd8 28.Rd8 Kf7 29.Qh5 g6 30.Qh7) 27...Kf8 1–0. GuestGQDJ – SirOccor, freechess.org, 2017.

7.0–0 a6

8.a3 a5 9.d4 =.

8.a3 Nc6 =.

8.a3 Nbd7 9.d4+= ed4 (9...a5 10.Nh4 Be4 11.f3 Bb1 12.Qb1 ab4 13.ab4 Ra1 14.Ba1 ed4 15.Bd4+=) 10.Nd4 Bg6 11.f4 h6 (11...Be4 12.Nc3 Re8 13.Bd3 Bd3 14.Qd3+=) 12.f5 (12.Bf3 Rb8+=) 12...Bh7 13.Nc3 Ne5 14.Nf3 Qd7 0–1. pcmvr (2225) – bar (1900), net–chess.com, 2006.

8.a4 Nc6 9.d4 e4 10.Nh4 =+.

8.a4 Nbd7

9.d4 a5 10.b5 ed4 11.Nd4 Bg6 12.Nc3 Nc5 13.Nb3 +=.

9.d4 c6 10.a5 =.

9.d4 ed4 10.Nd4 Bg6 11.f4 Be4 12.Nd2 (12.Nc3 Re8=) 12...c5 (12...d5 13.c5=) 13.Ne4+= Ne4 14.Bf3 cd4 15.Be4 de3 16.Rf3 (16.Bb7 Rb8 17.Ba6 Rb4+/–) 16...e2 (16...Qb6 17.Qd4 Qd4 18.Bd4+=) 17.Qe2 Qb6 18.Kh1 Nf6 19.Bf6 Bf6 20.Bh7! Kh7 Decoy to h7 21.Rh3 Kg8 22.Qh5 Do you see the mate threat? (22.Qh5 Bh4 23.Qh4+–) 1–0. pereira (1980) – tunmaw (1720), internet, 2007.

9.d4 Bg6 10.Nh4 c6 11.Ng6 hg6 12.Nd2 b6 13.Bf3 Rb8 14.Bc6+– ed4 15.Bd4 Rc8? 16.Bb7 Rc7 17.Ba6 Qa8 18.Bb5 Ne5 19.Bb6 Rcc8 20.Bd4 Nc6 21.Bc6 Rc6 22.Qf3 Rcc8 23.Qa8 Ra8 24.b5 Nd7 25.a5 Bf6 26.Ne4 Be7 27.Rfc1 f5 28.Nc3 Nc5 29.Bc5 dc5 30.Nd5 Bd6 31.f4 (31.f4 Ra7 32.a6+–) 1–0. hal1958 – Rug_Weaver, playchess.de, 2002.

9.Ne1 b6 10.d3 c6 11.Nd2 Ne8 (11...d5 12.cd5 cd5 13.f4=) 12.Bg4 Bg4 13.Qg4 f5 ½–½. Hasler,Ueli (1710) – Mangold,Wagner (1795), CiF, 2006.

9.Ne1 d5 10.f4 ef4 11.Rf4 =+.

7.0–0 Nc6

8.b5 Nb4 9.d3 Nd3 10.Bd3 Bd3 11.Qd3 =.

8.b5 Nb4 9.d3 e4 10.Nd4 Bg6 11.Qb3 Nd3 12.Bd3 ed3 13.f4 Be4 (13...a6 14.f5 Bh5 15.Qd3 ab5 16.cb5+=) 14.Nc3 d2 15.Rfd1 Ng4?? (better is 15...Re8+=) 16.Ne4+– Ne3 (16...Re8 17.Qd3 Bf6 18.Rd2 Qe7 19.Nf6 Nf6+–) 17.Qe3 Re8 (17...d5 18.cd5 Qd5 19.Rd2+–) 18.Nf5 1–0. Janek – Murad, internet free game, 2017.

8.b5 Nb8 9.d3 Nbd7 10.Nc3 c6 11.e4 Be6 12.d4 ed4 13.Nd4 c5 14.Ne6 fe6 15.f4 e5 16.f5 (16.Nd5 Kh8+/– (16...Ne4? 17.Ne7 Qe7 18.Qd5 Rf7 19.Qe4+–)) 16...Nb6 17.a4 a5 18.Qd3 Qe8 19.Bc1 Qf7 20.Be3 Rfd8 21.Rab1 Kh8 22.g3 Rd7 23.Kg2 Rf8 24.Ra1 Nc8 25.b6 (better is 25.Nd5!?+/–) 25...Nb6= 26.Rab1 Bd8 27.Rb2 Re7 28.Rfb1 Bc7? (better is 28...Nc8+=) 29.Rb6+– Bb6 30.Rb6 Rb8 (30...Rd7+–) 31.Qd6 (31.Qd6 Rc8 32.Bg5+– (32.Bc5?! Ree8 33.Be3 Rc4 34.Bc4 Qc4+–)) 1–0. Janek – Larry, internet free game, 2017.

8.b5 Nb8 9.d4 e4 10.Nfd2 d5 (10...a6 11.Qb3=) 11.Nc3 c6 (11...a6 12.ba6 Na6 13.cd5=) 12.Qb3 (12.cd5 cd5 13.Qb3 Qd7=) 12...Re8 (12...dc4 13.Bc4 a6 14.a4+=) 13.Rfb1 (13.bc6 Nc6 14.cd5 Na5+=) 13...Nbd7 (13...a6 14.a4+=) 14.cd5+/– cd5 15.Nd5 Nd5 (better is 15...Be6!? 16.Ne7 Re7+/–) 16.Qd5+– Bg6 (16...Bb4 17.Qf5 Bd2 18.Rd1+–) 17.Rc1 (17.Rd1 b6+–) 17...Rb8 (17...Bb4 18.Rd1+–) 18.Ne4 Nb6 19.Qd8 Bd8 (better is 19...Rbd8 20.Nc3 Bf5+–) 20.Nc5 Be7 21.Bf3 Bc5 22.dc5 (22.Rc5?! Na4 23.Ba3 Nc5 24.Bc5 a6+/–) 22...Nd7 (22...Na8 23.Rd1+–) 23.c6 bc6 24.Bc6 (24.bc6 Rb2 25.cd7 Rd8+–) 24...Red8 25.Bd4 Nb6 26.f3 f6 (26...h6 27.Rc3 Nc8 28.Ra3+–) 27.a4 (27.Rc3 Be8+–) 27...Nc8 28.g4 (28.Bc5 Be8+–) 28...Be8 (28...Nb6 29.a5 Nc8 30.a6+–) 29.Be4 (29.Be8 Re8 30.Rc7 h6+–) 29...Bg6 (29...Nb6 30.Kf2+–) 30.Bg6 hg6 31.Rc7 Ra8 32.h4 (32.Rac1 g5+–) 32...Nb6 (32...Re8 33.Rac1+–) 33.Ra7! Ra7 Decoy theme: a7 (33...Nc4 34.Ra8 Ra8 35.b6+–) 34.Bb6 Theme: Double Attack 34...Rad7 (34...Ra4 35.Ra4 (35.Bd8?! Ra1 36.Kg2 Kf7+/–) 35...Rd1 36.Kg2+–) 35.Bd8 Rd8 36.b6 Kf7 (36...g5 37.a5 gh4 38.a6+–) 37.a5 Ke7 38.b7 Rb8 39.a6 Kd7 40.a7 Rb7 41.a8Q Rc7 42.Rd1 Ke6 43.Qe8 Re7 44.Qg8 Ke5 (44...Rf7 45.Qc8 Ke7 46.Qd7 Kf8 47.Qd8) 45.Qd5 1–0. b4_player – opponent, gamecolony.com, 2007.

7.0–0 Nbd7

8.a3 Bg4 9.d4 e4 10.Nfd2+= Be2 11.Qe2 h6 12.Nc3+/– Re8 13.Nde4 Ne4 14.Ne4 Bg5 15.Qd3 Re6 16.d5 Rg6 17.Ng3 Bf6+/– 18.Bf6 Nf6 19.Rfe1 Qd7 20.f3 Re8 21.e4 Nh7 22.Re2 Qe7 23.Rae1 Qe5 24.f4 Qf4+/– 25.Rf1 Qg4 26.Ref2 Ng5 27.Rf4 Qd7 28.Rf7?? Nf7–+ 29.Nf5 Ne5 30.Qh3 (30…Rg4 31.Re1–+). Slavisa2 – ItsOk, Live Game Caissa's Web, 2004.

8.a4 c6 9.Nc3 Qc7 10.d4 e4 11.Nd2 Rfe8?? 12.Rc1?? Rac8?? 13.Qc2?? Bf8 14.Rfd1 d5 15.c5 Ng4 16.Nf1 Ndf6 17.h3 Nh6 18.b5 g5 19.Ng3 Bg6 20.bc6 bc6 21.Qd2 Nf5 22.Nf5 Bf5 23.Bf1 g4 24.Ne2 Bh6 25.Rb1 gh3 26.gh3 Kh8 27.Ng3 Rg8 28.Bg2 Be6 29.Kh1 Rg6 30.Rg1 Rcg8 31.Qe2 Bg5 32.Rbf1? Rh6–+ 33.f4?? Bh3 34.Bh3 Rh3 35.Kg2 Rh6 36.fg5 Rg5 37.Kf2 Rh2 38.Rg2 Qg3 39.Kg1 Qg2 (40.Qg2 Rgg2) 0–1. golddim – pkchess, playchess.de, 2003.

8.a4 d5 9.c5 e4 10.Nd4 Bg6 11.Nc3 h6 12.c6 Ne5 13.cb7 Rb8 14.b5 Rb7 15.Ba3 Ba3 16.Ra3 Qd6 17.Ra1 c5 18.bc6 Nc6 19.Nc6 Qc6 20.Rb1 Rfb8 21.Rb7 Rb7 22.Qa1 Qd6 23.Rb1 Rb1 24.Qb1 d4 25.Nb5 Qd7 26.Nd4 Qa4 27.h3 a5 28.Bd1 Qd7 29.Qa2+= Bh5 30.Bh5+/– Nh5 31.Qa5 Nf4? 32.Qa8+– Kh7 33.Qe4 Ng6 34.Qf5 Qc7 35.h4 Qc1 36.Kh2 Qc7 37.g3 Kg8 38.h5 Ne7 39.Qf4 Qc5 40.Qb8 Kh7 41.Qf8 Qh5 42.Kg1 Nf5 43.Nf5 Qf5 44.Qb8 Qd3 45.Qb2 Qe2 46.Qb1 Kg8 47.d4 h5 48.Qb8 Kh7 49.Qf4 Qd1 50.Kg2 Qb3 51.Kh3 Qe6 52.g4 hg4 53.Qg4 Qd5 54.f3 Kg8 55.Kg3 Qd6 56.f4 Qa3 57.Qc8 Kh7 58.Qe8 f6 59.f5 Qd6 60.Kg4 Qa3 61.e4?? Qe3+= 62.d5 Qg1?? 63.Kf3+– Qf1 64.Ke3 Qg1 65.Kd3 Qd1 66.Kc4 Qe2 67.Kc5 Qe3 68.Kd6 Qb6 69.Ke7 Qc7 70.Qd7 Qe5 71.Kf8 (71.Kf8 Qb8 72.Kf7+–) 1–0. hal1958 – pkchess, playchess.de, 2002.

8.b5 Nc5 9.d4 ed4 10.Bd4 Nfe4 11.Nbd2 c6 12.Bc5 (12.bc6 bc6 13.Ne4 Ne4=) 12...Nc5 (12...Nc3 13.Qe1 dc5 14.bc6 Ne2 15.Qe2=) 13.Nb3 Bf6 14.Nbd4 Be4 15.Nd2 cb5 16.cb5 Re8 17.Ne4 Ne4 18.Bf3 Qb6 19.Qd3 Ng5 20.Bd1 Ne4 21.Bc2 ½–½. Rosner,Dirk – Hosselbarth, corr ICCF EU–I–GT269, 1989.

8.Nc3 a6 9.d4 ed4 (9...c6 10.a3=) 10.Nd4 Bg6 (10...Be6 11.Bf3 c6 12.b5 ab5 13.cb5+= (13.Ne6?! fe6 14.cb5 d5=)) 11.f4 c5 (11...Be4 12.Ne4 Ne4 13.Bf3+/–) 12.bc5 (12.f5!? cd4 13.ed4 Bf5 14.Rf5+=) 12...dc5= (12...Nc5? 13.f5+–) 13.f5?? (13.Nb3 Bf5=) 13...cd4 14.ed4 Bb4 (better is 14...Qb6!? 15.Rb1 Bf5 16.Rf5 Qe6+=) 15.fg6+/– fg6 16.Qb3 Bc3 17.Bc3 Ne4 (17...Rb8 18.Rad1+/–) 18.c5 (18.Qb7? Nc3 19.Qb2 Qe7 20.Qc3 Qe2–+) 18...Kh8 19.Rf8 Qf8 20.Be1 (20.Rf1 Qd8+/–) 20...Rb8 (20...Qf4 21.Rd1 (21.Qb7?! Rf8 22.Qd7 Qe3 23.Kh1 Qe2+=) 21...Rf8 22.Qf3+/–) 21.Rb1 (21.Rd1 Qf4+/–) 21...Qe8 (21...b5 22.Bf3 Qf4 23.g3+=) 22.Bc4 (22.Bf3+/–) 22...Ndf6 (22...b5!? 23.Bf7 Qf8+/–) 23.Ba6!+– Nd7 (23...ba6 24.Qb8 Pinning (24.Qb8 Deflection)) 24.Bb5 (24.Bb7 Qe7+–) 24...Qc8 (24...Qe7 25.Bc4+–) 25.Qe6 Ndf6 26.Qc8 Rc8 27.Bd3 Rc7 28.Ba5 Re7 29.Be4 (29.Bd8 Rd7 30.Bf6 Nf6+–) 29...Re4 30.Rb7 Rd4 31.c6 1–0. pcmvr (2560) – felippe (2225), net–chess.com, 2006.

8.Nc3 c6 9.a3 Nb6 (9...d5 10.d4 e4 11.Ne5=) 10.d3 (10.d4 e4 11.Nd2 d5=) 10...Be6 (10...Qc7 11.d4=) 11.Ng5+= h6 (11...Bf5 12.f4 Nfd7 13.Bg4 Bg4 14.Qg4=) 12.Ne6 fe6 13.Qb3 (13.Qc2 Qc7+=) 13...Qd7 (13...Qe8 14.Rae1+=) 14.a4 Nc8 15.a5 d5 16.cd5 (16.b5 d4 17.Nd1 cb5 18.Qb5 Qb5 19.cb5 Nd6+=) 16...ed5= 17.e4 Kh7 (17...Qd6 18.Bf3 Rd8 19.ed5 cd5 20.Rfe1 Qb4 21.Qb4 Bb4 22.Re5+=) 18.ed5+= cd5 19.Bf3 d4 20.Na4 (20.Nd5 Nd5 21.Bd5 Nd6+=) 20...Rb8 (20...Qb5 21.Ba3=) 21.Rfc1 Nd6 (21...b6 22.Bc6 Qd6 23.ab6 Qb4 24.Qb4 Bb4 25.Rc4+=) 22.Nc5+= Qb5 (22...Qf5 23.Re1 b6 24.Ne6+=) 23.Re1 Rfc8? (better is 23...b6 24.ab6 ab6+/–) 24.Re5+– Qe8? (better is 24...b6 25.Re7 bc5 26.Ra7 Nf5+–) 25.Rae1 Rc7 26.Ne6 Rd7 27.Bd4 a6 28.Ba7 Ra8 (28...Rc8 29.Bc5 Qg8 30.d4+–) 29.Nc5 Ra7 30.Nd7 Qd7 31.Re7 Qb5 (31...Qf5 32.d4 Qg6 33.R1e6+–) 32.R1e6 (better is 32.R1e5 Nd5 33.Bd5 Kh8+–) 32...Nde8 (32...Ng8 33.Rc7 Nf5 34.Be4+–) 33.d4 (better is 33.Re5 b6 34.Rb5 Re7 35.Be4 Ne4 36.Rb6 Rc7+–) 33...Qg5 (33...Qf5+–) 34.Qc2 Kg8 35.h4! Qh4 (35...Qb5 36.Rb6 Nd6 37.Qg6+–) 36.Bd5! Qd4 (36...Nd5 A deflection 37.Re8 A classical mating theme) 37.Rf6 1–0. marekt – akbardoc, chessworld.net, 2008.

8.Nc3 c6 9.d4 e4 10.Nh4 Be6 11.f4 +=.

8.Nc3 c6 9.d4 Re8 10.Rc1 ed4 11.Qd4 Qb6 12.Qb6 ab6 13.Nd4 Bg6 14.a3 c5 (14...Ne4!?=) 15.Ndb5+= Bd8? (15...Rec8!?+=) 16.Bf3 Be4 (16...d5 17.Bd5 Nd5 18.Nd5 cb4 19.ab4+/–) 17.Nd6 Bf3 18.Ne8 (18.gf3?! Re6 19.Rfd1 Ne5+/–) 18...Ne8 19.gf3 cb4 20.ab4 Bh4 (20...Ne5 21.Nd5 Nf3 22.Kg2 Nh4 23.Kh3 Nf5+–) 21.Rfd1 Ne5 22.Nd5 Nf3 (22...Nd7 23.Nc7 Nc7 24.Rd7+–) 23.Kg2 Ng5 24.Rd4 (worse is 24.Nb6 Ra2 25.Rc2 Ne6+–) 24...h6 (24...Bf2 25.Kf2 Ra2 26.Rc2+–) 25.Rh4 (25.Rh4 Nd6 26.Nb6+–) 1–0. Trkn – guest6530, ICC, 2004.

8.Nc3 c6 9.d4 Ne8 10.a3 Nc7 11.Bd3 Bd3 12.Qd3 Bf6 13.Ne4 Be7 (13...ed4!? 14.Bd4 Bd4 15.Qd4 d5 16.cd5 Nd5+=) 14.de5+/– de5 (14...Ne5 15.Ne5 de5 16.Qd8 Bd8 17.Nd6+–) 15.Ne5 (15.Rad1!? Nf6 16.Qc2+–) 15...Ne5+/– 16.Qd8 Rad8 (16...Bd8!? 17.Be5 Re8 18.Bc7 Bc7+/–) 17.Be5 Ne6 18.Rad1 f6 19.Bg3 f5 20.Nc3 Bf6 21.Ne2 Kf7 22.Bd6 Rfe8 23.Bg3 Bb2 (23...Rf8!?=) 24.a4+= Ba3 25.b5 h6 26.bc6 bc6 27.h3 a5 28.Be5 Bb4 29.Nd4 Nd4 30.Bd4 c5 31.Bb2 g6 32.Kh2 Ke7 (32...Rd1!? 33.Rd1 Re4=) 33.Kg3 Kf7 34.Kf3 g5 35.Ke2 h5 36.Rd8 Rd8 37.Rd1 Rd1 38.Kd1 Ke6 39.Ke2 Kf7 40.f3 Ke6 41.e4 fe4 42.fe4 Kf7 43.Bc1 g4 (43...Kf6+–) 44.hg4 hg4 45.Bf4 Ke6 (45...Kg6+–) 46.Kf2 Bc3 47.Kg3 1–0. Jarmula,Pawel (1705) – Sielicki,Maksymilian, 55th YMCA Winter D, 2009.

8.d3 c6 9.a4 b6 10.Nfd2 d5 11.cd5 Nd5 12.e4+/– Be4 13.de4 Nb4 14.Nc4 Nf6 15.Nc3 Qd4?? 16.Qd4 ed4+= 17.Na2 Ne4 18.Bd4 Nc2 19.Rad1 Rfd8 20.Bb2 Re8?? 21.Bd3+– (21…Nf2 22.Rf2+– (22.Bc2?! Nd1 23.Rd1 b5+–)) 1–0. hal1958 – zwischenzug, playchess.de, 2003.

8.d3 c6 9.a4 Qb6 10.Bc3 a5 11.b5 e4 12.de4 Ne4 13.Bd4 Qc7 14.Nbd2 Bf6 15.Ne4 Be4 16.Bf6 Nf6 17.Nd2 Rfe8 18.Ne4 Ne4 19.Qc2 Re6 20.Bd3 Rae8 21.Rab1 f5 22.Be4 Re4 23.Qc3 b6 24.Qd3 c5 25.Rfd1 R8e6 26.Rbc1 Qf7= 27.Qd5 f4 28.ef4 Qf4 29.Re1 R4e5 30.Re5?? Qc1 (30...Qc1 31.Qd1 Qd1 32.Re1 Re1#; 30...Qe5?! 31.Qd3=) 0–1. hal1958 – dudi, playchess.de, 2003.

8.d3 c6 9.Qb3 Qc7 10.Nbd2 Bg6 11.Rac1 a6 12.a4 White intends b5 12...Rac8 13.Ba3 Qd8 14.h3 Bh5 15.Rfe1 Qc7 16.b5 Qd8 17.d4 cb5 18.cb5 ab5 (18...Rc1 19.Bc1 e4 20.Nh4 Be2 21.Re2+=) 19.ab5 (19.Rc8 Qc8 20.de5 ba4 21.Qa4 Ne5 22.Ne5 Be2 23.Re2 Nd5=) 19...ed4 20.Rc8 Qc8 21.Nd4 Bg6 22.Rc1 Qb8 23.Bf3 Ne5 24.Be2 Rc8?? (better is 24...Ned7=) 25.Rc8+– Qc8 26.Nc4?? (better is 26.f4 Ned7 27.f5+–) 26...Nc4 27.Bc4 Ne4 28.Nf3 Nc5 29.Bc5 Qc5 30.Nd4 Bf6 31.Nf3 h6 32.Ne1 b6 (better is 32...d5!? 33.Bf1 b6+=) 33.Nd3+= Qg5 34.Nf4 Be4? (34...Be5 35.Ng6 Qg6 36.Qa2+/–) 35.g3 (35.Bf7 Kh7 36.Qe6 Qe5+–) 35...Bg6? (35...Kh7 36.Bf7 Qc5 37.Qc4 Qc4 38.Bc4+–) 36.Ng6 (better is 36.h4 Qg4 37.Be2+–) 36...Qg6+/– 37.Bd5 Bh4 38.Bg2 Be7 39.Qd5 Qb1 40.Kh2 Qc2 41.Qa8 Bf8 42.Qf3 Qb2 43.Qf5 (43.Qc6 Qf2 44.Qb6 Be7+/–) 43...Qe5 (better is 43...g6!? 44.Qf3 Qb5+=) 44.Qe5 de5 45.Bd5 Bc5 46.Kg2 Kf8 47.Kf3 Ke7 48.Ke4 Bd6 49.Kd3 f6 50.g4 Bc5 51.f4 Kd6 52.Bc6 ef4 53.ef4 Bf2 54.Ke4 Ke6 55.Bd5 Ke7 56.Kf5 1–0. Hilton,Stephen – Nolf,Francky, SF–2011–0–00086, 2011.

8.d3 c6 9.Nbd2 Qc7 10.a3 b5 11.cb5 cb5 12.Rc1 Qb6 13.d4 (13.e4!? Bg4 14.d4+=) 13...e4= 14.Nh4 Be6 15.g3 d5 16.Nb3 Rac8 17.Nc5 Bh3 18.Re1 Qd6 (18...a5 19.f3+=) 19.Ng2 (19.Bb5 a5+=) 19...Ne8 (better is 19...a6!?=) 20.Nf4+/– Bf5 21.Bg4 (21.g4 Bg6 A) worse is 22.Ng6 fg6 23.f3 ef3 24.Bf3 A1) 24...Nc5? 25.dc5 (25.bc5?! Qe6=; 25.Rc5?! Nc7=) 25...Qa6 26.Qd5 Kh8 27.Rf1+–; A2) 24...Bg5+=; B) 22.Bb5+/–) 21...Bg4+= (21...Nc5? 22.dc5 (22.Bf5?! Na4 23.Rc8 Nb2+–; 22.bc5?! Qd7 23.c6 Rc6 24.Bf5 Rc1 25.Bd7 Rd1 26.Rd1 Nf6+–) 22...Qd7 23.c6 (23.Nd5?! Bg4 24.Ne7 Qe7 25.Qg4 f5+/–) 23...Rc6 24.Bf5 Rc1 25.Bd7 Rd1 26.Rd1+–) 22.Qg4 Nef6 23.Qe2 Nb6 (23...a6!?=) 24.Qb5+= Nc4 25.Rc2 Rc7 (25...Qb6 26.Qb6 ab6 27.Nd5 Nd5 28.Rc4+/–) 26.Rec1 (26.Nd5 Qd5 27.Qc4 Qf5+–) 26...Rfc8 (26...Nb2 27.Rb2 Qb6 28.Qa4+/–) 27.Qa4 (27.Nd5 Qd5 28.Qc4 Qf5+–) 27...Ng4 28.h3 Nh6 (28...Nf6+=) 29.Kg2?? (29.Nd5 Qd5 30.Rc4 Bd6+–) 29...Nf5 (better is 29...Bg5=) 30.Qa6?? (better is 30.Nd5 Qd5 31.Rc4+–) 30...Qa6–+ 31.Na6 (31.Rc4 A) 31...dc4 32.Na6 c3 33.Ba1= (worse is 33.Nc7 cb2 34.Rb1 Rc7 35.Rb2 Rc3–/+); B) 31...Qc6 32.R4c3 Qd6–+) 31...Nce3! (31...Nce3 32.Kg1 Rc2–+) 0–1. Fournier,Frederic (1835) – javimix1966 (1930), Active, 2004.

8.d3 h6 9.e4 Be6 10.Nbd2 c6 (10...c5 11.bc5 Nc5 12.Qc2=) 11.Qc2 (11.d4 a5 12.a3 ab4 13.ab4 Ra1 14.Qa1 ed4 15.Nd4 c5 16.Ne6 fe6+=) 11...Nh7 (11...a5 12.a3=) 12.a3 (12.d4 ed4 13.Nd4 Qb6+=) 12...f5= 13.Rfe1 f4 (13...fe4 14.de4 Nhf6 15.Nh4=) 14.Bf1 (14.d4 Qc7+/–) 14...Qe8 (14...Qc7 15.d4+=) 15.h3 (15.d4 Bf6+=) 15...Qg6= 16.Nh2 (better is 16.Kh2!?=) 16...Bh3–/+ 17.Ndf3 (17.d4 ed4 18.Bd4 Ng5–/+) 17...Be6 (17...c5 18.bc5 Nc5 19.d4 ed4 20.Nd4–/+) 18.d4 Ng5 (18...Bf6 19.Rad1+=) 19.de5+= Nf3 (19...de5 20.Be5 Ne5 21.Ne5 Nh3 22.Kh1=) 20.Nf3= de5 21.Ne5 Ne5 22.Be5 f3 23.g3 h5 24.Bd3 h4 25.Bf4?? (better is 25.c5!?+=) 25...hg3 (better is 25...Rf4 26.e5 Qg4–+) 26.Bg3–/+ Qh5 (26...Rad8 27.Rad1+=) 27.e5 (27.Qc3!?–/+) 27...Rad8 28.Bg6?? (better is 28.c5 Kf7 29.Re3–+) 28...Qh3 0–1. Goldmund,Heike – Rey,Eduardo (1635), FICGS, 2016.

8.d4 e4 9.Nh4 Be6 =.

8.Nc3 a5

9.ba5 Ra5 10.d4 =+.

9.b5 Ra7 A) 10.d3 Re8 (10...Nb6 11.e4 Be6 12.Ng5 a4 13.a3 Bd7 14.d4+=; 10...Nc5 11.d4 ed4 12.Nd4 Be6 13.b6 cb6 14.Ndb5=; 10...Bg4 11.d4 Re8 12.e4 ed4 13.Nd4 Be2 14.Qe2+=; 10...c6 11.e4 Bg4 12.Ng5 Be2 13.Qe2 a4 14.a3+=; 10...Qc8 11.e4 Be6 12.Ng5 Nc5 13.Ne6 fe6 14.Qc2+=; 10...Ra8 11.e4 Bg4 12.d4 ed4 13.Nd4 Be6 14.Qc2+=; 10...h6 11.e4 Bg6 12.Bc1 Nc5 13.Be3 Nfd7 14.Nd5+=; 10...Kh8 11.e4 Be6 12.Ng5 Nc5 13.f4 Bd7 14.fe5+/–; 10...c5 11.Ng5 d5 12.cd5 Nd5 13.Nd5 Bg5 14.Bg4=) 11.d4 c6 12.Rc1 Ra8 13.a3 Rc8 14.Qd2=; B) 10.Rc1 Re8 (10...c5 11.d4 Be6 12.Qd3 a4 13.a3 cd4 14.ed4+=; 10...Nb6 11.d4 e4 12.Nd2 Re8 13.Qc2 d5 14.c5=; 10...c6 11.d4 Ra8 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–; 10...Nc5 11.d4 ed4 12.Nd4 Be6 13.b6 cb6 14.Ndb5+=; 10...h6 11.d4 c5 12.Bd3 e4 13.Bc2 Re8 14.Nd2+=; 10...Ra8 11.d4 c6 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–; 10...Bg4 11.d4 Re8 12.h3 Bh5 13.b6 Nb6 14.de5+=; 10...Nb8 11.d4 e4 12.Nd2 Re8 13.g4 Bg6 14.g5+=; 10...Kh8 11.d4 c6 12.a4 Kg8 13.Nh4 Be6 14.f4+=) 11.d4 c6 12.de5 de5 13.Na4 Qb8 14.Qb3=; C) 10.a3 c5 (10...Nb6 11.d4 e4 12.Nd2 d5 13.g4 Bg6 14.c5+=; 10...Re8 11.d4 c6 12.Rc1 Ra8 13.Qd2 e4 14.Nh4+=; 10...c6 11.d4 Re8 12.Rc1 Ra8 13.Qd2 cb5 14.de5=; 10...Ra8 11.d4 c6 12.Ng5 h6 13.Nf3 Re8 14.Ra2=; 10...h6 11.d4 Re8 12.Nh4 Bh7 13.de5 de5 14.Nf3=; 10...Nb8 11.d4 e4 12.Nd2 Re8 13.g4 Bg6 14.b6+=; 10...Nc5 11.d4 ed4 12.Nd4 Be6 13.Ne6 fe6 14.Na4+=; 10...Qc8 11.d4 c6 12.Nh4 Be6 13.d5 cd5 14.cd5+/–; 10...Bg4 11.d4 Re8 12.e4 c5 13.de5 de5 14.Qd3+=) 11.d4 h6 12.d5 Re8 13.Nh4 Bh7 14.Qd2=; D) 10.a4 Re8 (10...c5 11.d4 h6 12.Re1 Re8 13.Rc1 e4 14.Nd2+=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nbd7 14.f3+=; 10...c6 11.d4 Re8 12.de5 de5 13.Bd3 e4 14.Bc2=; 10...h6 11.d4 c5 12.Rc1 Re8 13.Bd3 Bg4 14.d5+=; 10...Nb8 11.d4 e4 12.Nd2 d5 13.Nd5 Nd5 14.cd5+/–; 10...Nc5 11.d4 ed4 12.Nd4 Bg6 13.Nd5 Nd5 14.cd5=; 10...Qc8 11.d4 c6 12.Nh4 Be6 13.d5 cd5 14.Nd5+=; 10...Qa8 11.d4 c6 12.c5 Qb8 13.cd6 Bd6 14.de5+=; 10...Bg4 11.d4 Re8 12.Qd3 ed4 13.Qd4 Ra8 14.Qf4+=) 11.d4 c6 12.de5 de5 13.Bd3 e4 14.Bc2=; E) 10.Nh4 Be6 11.d4 Nb6 12.d5 Bd7 13.Nf3 Bg4 14.Nd2+=; F) 10.d4 c6 11.Rc1 Ra8 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–.

9.b5 Nb6 10.d4 ed4 11.Qd4 Be6 12.Rad1 a4 13.a3 Qe8 14.Rfe1 +=.

9.b5 Rb8 A) 10.d3 Re8 (10...c6 11.e4 Bg4 12.d4 Qc7 13.h3 Bf3 14.Bf3+=; 10...Kh8 11.e4 Be6 12.Ng5 Nc5 13.Ne6 fe6 14.Na4+=; 10...h6 11.d4 Re8 12.a3 c5 13.Re1 cd4 14.ed4=; 10...Nb6 11.e4 Be6 12.Ng5 Bd7 13.d4 ed4 14.Qd4+=; 10...Ra8 11.e4 Be6 12.Ng5 Nc5 13.Ne6 fe6 14.Qc2=; 10...Bg4 11.Nd2 Be6 12.f4 ef4 13.ef4 Nb6 14.Nb3=; 10...Qe8 11.e4 Bg4 12.d4 Rd8 13.Re1 Nb6 14.Nd2+=; 10...Rc8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 c6 14.f4=; 10...Qc8 11.e4 Bg4 12.Nd2 Be2 13.Qe2 c6 14.f4+=) 11.d4 c6 12.Rc1 Rc8 13.a3 Qb6 14.c5=; B) 10.a3 Rc8 (10...c6 11.d4 e4 12.Nd2 cb5 13.Nb5 Rc8 14.Nc3+=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.f3+=; 10...c5 11.d4 cd4 12.ed4 Be6 13.d5 Bg4 14.Nd2+=; 10...Re8 11.d4 c6 12.Qb3 Rc8 13.Rfd1 e4 14.Nd2=; 10...Ra8 11.d4 c6 12.Ng5 h6 13.Nf3 Rc8 14.Rc1=; 10...Bg4 11.d4 c5 12.de5 de5 13.Qd3 Qb6 14.Nd5+=; 10...Kh8 11.d4 c6 12.Ng5 h6 13.Nf3 Rc8 14.Rc1=; 10...h6 11.d4 Re8 12.Qd2 e4 13.Ne1 Nb6 14.f3=; 10...Be6 11.Ng5 Nb6 12.d3 Bc8 13.d4 Qd7 14.Na4+=) 11.d4 c6 12.Rc1 Re8 13.Qa4 ed4 14.Nd4=; C) 10.Rc1 Rc8 (10...Re8 11.d4 c6 12.Qd2 e4 13.Nh4 Be6 14.d5+=; 10...c6 11.d4 Re8 12.Qd2 cb5 13.Nb5 Bg4 14.Ng5+=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.Qc2 dc4 14.Bc4=; 10...c5 11.d4 h6 12.Bd3 e4 13.Bc2 Re8 14.Nd2+=; 10...Bg4 11.d4 Re8 12.h3 Bh5 13.g4 Bg6 14.Nh4+=; 10...h6 11.d4 Re8 12.a3 c6 13.Qb3 Qc7 14.Na4=; 10...Ra8 11.d4 c6 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–; 10...Kh8 11.d4 c6 12.Qd2 Rc8 13.de5 de5 14.Rfd1+=; 10...Be6 11.d4 ed4 12.Nd4 Nc5 13.Ba3 Ncd7 14.f4+=) 11.d4 c6 12.a3 Re8 13.Qa4 ed4 14.Nd4=; D) 10.Re1 Re8 (10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.f3=; 10...c6 11.d3 d5 12.cd5 cd5 13.Rc1 Rc8 14.e4=; 10...Rc8 11.d4 c6 12.Qa4 Re8 13.Red1 Qc7 14.Rac1=; 10...e4 11.Nd4 Bg6 12.d3 ed3 13.Bd3 Bd3 14.Qd3+=) 11.d4 c6 12.Nh4 Be6 13.Rb1 Nb6 14.Qb3+=; E) 10.Qa4 c6 (10...Re8 11.d4 Ra8 12.Qd1 c6 13.a3 Qc7 14.Rc1=; 10...Nc5 11.Qa5 Nd3 12.Nd1 Nd7 13.Ne1 Nb2 14.Nb2=; 10...c5 11.d4 Nb6 12.Qb3 cd4 13.ed4 e4 14.Nd2=; 10...Ra8 11.d4 Re8 12.Qd1 c6 13.a3 Qc7 14.Rc1=; 10...Be6 11.Ng5 Bf5 12.f4 e4 13.Qc2 Nc5 14.Ba3+=; 10...b6 11.d4 Re8 12.Qd1 h6 13.Bd3 Bd3 14.Qd3+=; 10...Rc8 11.d4 c6 12.Rad1 Qc7 13.c5 e4 14.Nh4=; 10...h6 11.d4 Ra8 12.Qd1 Re8 13.de5 de5 14.a3=; 10...Kh8 11.d4 Ra8 12.Qd1 c6 13.Rc1 Rc8 14.a3=) 11.d4 Rc8 12.Rad1 Qc7 13.c5 e4 14.Nh4=; F) 10.Ng5 Re8 (10...Nc5 11.d4 ed4 12.ed4 Ne6 13.Ne6 fe6 14.Bd3+=; 10...d5 11.cd5 Nd5 12.Nd5 Bg5 13.f4 ef4 14.Nf4+=; 10...Bg6 11.f4 h6 12.f5 Bf5 13.Rf5 hg5 14.Rg5+=; 10...Ne8 11.Nge4 Nef6 12.Ng3 Be6 13.d4 ed4 14.Qd4=; 10...h6 11.Nf3 Re8 12.d4 c5 13.Qd2 cd4 14.ed4=) 11.f4 ef4 12.Rf4 Bg6 13.Nf3 Nh5 14.Rg4+=; G) 10.h3 c5 (10...c6 11.d4 Qc7 12.Rc1 Qd8 13.Qd2 e4 14.Nh4=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.cd5 Nbd5 14.Qc2=; 10...Rc8 11.d4 c6 12.Rc1 e4 13.Nd2 d5 14.cd5=; 10...Re8 11.d4 ed4 12.Nd4 Bg6 13.Nb3 Ra8 14.a4=; 10...Ra8 11.d4 c6 12.a3 Rc8 13.Rc1 e4 14.Nd2+=; 10...h6 11.d4 Ra8 12.de5 de5 13.Rc1 Bc5 14.Na4=; 10...Kh8 11.d4 c6 12.Rc1 Rc8 13.Ng5 cb5 14.Nb5=; 10...Qc8 11.d4 c6 12.Rc1 Qd8 13.Qd2 e4 14.Nh4=) 11.d4 h6 12.Re1 Re8 13.Nh4 Bh7 14.de5=; H) 10.d4 c6 (10...Bg4 11.e4 Re8 12.Rb1 Ra8 13.Re1 Bh5 14.Nd5+=; 10...h6 11.a3 Re8 12.Qd2 e4 13.Ne1 c6 14.Nc2=; 10...Be6 11.Ng5 Bf5 12.Bd3 Bd3 13.Qd3 Re8 14.Rae1+=; 10...ed4 11.Qd4 Re8 12.Nd5 a4 13.Rad1 Ra8 14.a3+=) 11.Rc1 Rc8 12.a3 Re8 13.Qd2 cb5 14.Nb5=.

9.b5 c5 A) 10.d3 Nb6 (10...Re8 11.e4 Bg4 12.Nd2 Be2 13.Qe2 Nf8 14.Qe3=) 11.a3 a4 12.Nd2 Be6 13.Qc2 Re8 14.Bf3=; B) 10.d4 cd4 (10...Be6 11.de5 Ne5 12.Nd5 Nd5 13.cd5 Nf3 14.Bf3+=; 10...h6 11.d5 Nb6 12.Nd2 a4 13.e4 Bg6 14.a3+=; 10...Bg4 11.Qd3 Re8 12.Rfe1 cd4 13.ed4 Rc8 14.Rac1=; 10...ed4 11.ed4 Nb6 12.d5 a4 13.a3 Re8 14.Re1+=) 11.ed4 Be6 12.d5 Bg4 13.Nd2 Be2 14.Qe2=.

9.b5 Nc5 (end of game) 10.d4 ed4 11.Nd4 Be6 12.Ba3 Bc8 13.Nd5 Re8 14.Qc2+=. pcmvr (2225) – tsantasarobidy (2310), net–chess.com, 2006.

9.b5 Nc5 10.d4 ed4 11.Nd4 Be6 12.Ba3 Bd7 13.Bf3 Re8 14.Qc2 +=.

9.b5 c6 A) 10.d3 Bg4 (10...Qb6 11.e4 Be6 12.d4 Bg4 13.Ne5 Ne5 14.Na4+=; 10...cb5 11.Nb5 Rc8 12.e4 Be6 13.Rb1 Nc5 14.Ng5=; 10...Rc8 11.e4 Be6 12.d4 ed4 13.Nd4 Nc5 14.Ne6=; 10...d5 11.cd5 cd5 12.Nd5 Nd5 13.e4 Bb4 14.ed5=; 10...Nb6 11.e4 Be6 12.Ng5 d5 13.cd5 cd5 14.ed5=; 10...Qc7 11.e4 Be6 12.Ng5 d5 13.bc6 bc6 14.ed5=; 10...Re8 11.e4 Bg4 12.d4 Qb6 13.Ne5 de5 14.Bg4=; 10...Rb8 11.e4 Be6 12.d4 Qb6 13.Qd3 ed4 14.Nd4=; 10...Ra7 11.e4 Bg4 12.d4 c5 13.de5 de5 14.Qc2+=) 11.h3 Bh5 12.Rb1 Rb8 13.bc6 bc6 14.g4=; B) 10.Rc1 d5 (10...Re8 11.d4 Rc8 12.a3 Qb6 13.c5 Qd8 14.Bc4=; 10...Qb6 11.d4 Rfe8 12.Na4 Qa7 13.de5 de5 14.Ne5+=; 10...Qc7 11.d4 Qd8 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–; 10...Bg4 11.d4 Re8 12.Qc2 cb5 13.cb5 Rc8 14.h3=; 10...Rb8 11.d4 Rc8 12.a3 Re8 13.Qa4 ed4 14.Nd4=; 10...c5 11.d4 Bg4 12.h3 Bh5 13.de5 de5 14.Nd5+=; 10...h6 11.d4 Rc8 12.a3 Re8 13.Qd2 cb5 14.Nb5=; 10...Rc8 11.d4 e4 12.Nd2 d5 13.c5 b6 14.bc6=; 10...Ra7 11.d4 Ra8 12.Nh4 Bg6 13.Ng6 fg6 14.Qd3+/–) 11.cd5 cd5 12.d4 e4 13.Nd2 Bd6 14.Qb3=; C) 10.a3 d5 (10...Rc8 11.Rc1 d5 12.cd5 cd5 13.d4 e4 14.Nd2=; 10...Qc7 11.d4 Rfe8 12.Rc1 Qd8 13.Ng5 ed4 14.Qd4=; 10...Re8 11.d4 Rc8 12.Rc1 Qb6 13.c5 Qd8 14.Bc4=; 10...Rb8 11.d4 Rc8 12.Qa4 Re8 13.Rfc1 Qb6 14.c5=; 10...Qb8 11.d4 Qc7 12.Rc1 Qd8 13.Nh4 Bg6 14.Bf3+/–; 10...Qc8 11.d3 cb5 12.Nb5 Qc6 13.d4 Qe4 14.a4+=; 10...cb5 11.Nb5 Rc8 12.d4 Be6 13.Nd6 Bd6 14.de5+=; 10...Bg4 11.d4 Bf5 12.Ng5 h6 13.Nf3 Rc8 14.Rc1=; 10...c5 11.d3 Re8 12.e4 Bg4 13.Nd2 Be2 14.Qe2+=) 11.Rc1 dc4 12.Bc4 Bg4 13.d3 Nb6 14.bc6=; D) 10.a4 Rc8 (10...Re8 11.d4 Rc8 12.Rc1 Rc7 13.Qd2 cb5 14.Nb5+=; 10...d5 11.Rc1 dc4 12.Bc4 Bg4 13.h3 Nb6 14.Bf7=; 10...Rb8 11.d4 Rc8 12.Rc1 Re8 13.Qd2 cb5 14.Nb5=; 10...Qb6 11.d4 Rae8 12.c5 Qc7 13.cd6 Bd6 14.bc6=; 10...Qc7 11.d4 Rac8 12.Rc1 Qd8 13.Qb3 Re8 14.Rfd1=; 10...cb5 11.ab5 Nb6 12.d3 Qc7 13.e4 Be6 14.Qd2=; 10...c5 11.d4 cd4 12.ed4 Be6 13.d5 Bg4 14.Nd2=; 10...Qc8 11.d3 Nb6 12.Rb1 Qc7 13.e4 Bg4 14.Nd2=; 10...Qb8 11.d4 Qc7 12.Rc1 h6 13.Nh4 Bh7 14.Qd2=) 11.d4 e4 12.Nd2 d5 13.bc6 bc6 14.c5=; E) 10.Re1 Re8 (10...Nb6 11.a3 Rc8 12.d3 Re8 13.e4 Be6 14.Ng5=; 10...Rc8 11.d3 cb5 12.Nb5 Qb6 13.Bc3 Nc5 14.Rb1=; 10...Qb6 11.d4 Rae8 12.Rc1 Rd8 13.Nh4 Bg6 14.Bf3+/–; 10...Qc7 11.d4 Rfc8 12.Rc1 Qb8 13.Rf1 Re8 14.de5=; 10...d5 11.Rc1 dc4 12.Bc4 Rc8 13.d3 Bg4 14.h3=; 10...Rb8 11.d3 d5 12.cd5 cd5 13.Rc1 Rc8 14.e4=; 10...Ra7 11.d3 d5 12.e4 de4 13.de4 Bg6 14.Qc2=; 10...Qe8 11.d3 d5 12.d4 e4 13.Ne5 cb5 14.Nb5=; 10...Bg4 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.c5=) 11.d3 d5 12.cd5 cd5 13.Rc1 Bd6 14.e4=; F) 10.h3 Rc8 (10...d5 11.Rc1 Rc8 12.cd5 cd5 13.d4 e4 14.Ne5=; 10...Re8 11.d4 Rc8 12.Rc1 e4 13.Nd2 cb5 14.Nb5=; 10...Qc7 11.d4 Rac8 12.Rc1 Qd8 13.a3 e4 14.Nd2+=; 10...Rb8 11.d4 Rc8 12.Rc1 e4 13.Nd2 d5 14.cd5=; 10...Qb6 11.d4 Rae8 12.c5 Qc7 13.cd6 Bd6 14.de5=; 10...Qc8 11.d4 e4 12.Nh4 Nb6 13.Na4 Na4 14.Nf5=; 10...c5 11.d4 h6 12.Re1 Re8 13.Bd3 e4 14.Bc2=; 10...cb5 11.Nb5 Rc8 12.d4 Be6 13.d5 Bf5 14.Nh4=; 10...Nb6 11.d4 e4 12.Nd2 a4 13.bc6 bc6 14.Ba3+=) 11.d4 e4 12.Nd2 cb5 13.Nb5 d5 14.Rc1=; G) 10.Nh4 Be6 11.Nf3 Rc8 12.Ng5 d5 13.Ne6 fe6 14.d3=; H) 10.Ba3 Rc8 (10...Qc7 11.d3 Nb6 12.e4 Bg4 13.Rb1 Rae8 14.Qb3=; 10...Re8 11.d4 Rc8 12.bc6 bc6 13.c5 dc5 14.de5+=; 10...Qb6 11.d4 e4 12.Nh4 Bg6 13.Qb1 Rfe8 14.Ng6+/–; 10...c5 11.d3 Nb6 12.e4 Bd7 13.Bc1 Qc7 14.Nd2=; 10...Nb6 11.d4 e4 12.Nd2 Qd7 13.Rb1 c5 14.d5=; 10...a4 11.d4 Qa5 12.Rc1 Rfd8 13.Nh4 Be6 14.d5+/–; 10...Ra7 11.d4 Re8 12.Bb2 Ra8 13.a3 Rc8 14.Rc1=; 10...Rb8 11.d4 Bg4 12.Qd3 Re8 13.Rfd1 cb5 14.cb5+=; 10...Qc8 11.d4 Re8 12.Nh4 Be6 13.Nf3 c5 14.d5=) 11.d4 Re8 12.bc6 bc6 13.c5 dc5 14.de5+=; I) 10.Kh1 Rc8 (10...d5 11.Rc1 dc4 12.Bc4 Bg4 13.d3 Nb6 14.h3=; 10...Qc7 11.d4 Rac8 12.Rc1 Qd8 13.a3 Re8 14.Kg1=; 10...Re8 11.d4 Qc7 12.Rc1 ed4 13.Nd4 Bg6 14.f4=; 10...Rb8 11.d4 Qc7 12.Nh4 Be6 13.d5 cd5 14.cd5+=; 10...Qb6 11.d4 Rfd8 12.Nh4 Bg6 13.Ng6 fg6 14.Rb1+=; 10...Qb8 11.d4 Qc7 12.Rc1 ed4 13.ed4 Bg4 14.Nh4+=; 10...Qc8 11.d4 Qc7 12.Rc1 ed4 13.ed4 Bg4 14.Nh4+=; 10...cb5 11.Nb5 Rc8 12.d4 Bg4 13.c5 dc5 14.de5=; 10...Bg4 11.d4 e4 12.Nd2 Be2 13.Qe2 d5 14.f3=) 11.d4 e4 12.Nd2 d5 13.bc6 bc6 14.Rb1=; J) 10.d4 Rc8 (10...Qc7 11.Nh4 Be6 12.d5 cd5 13.cd5 Bd5 14.Nd5+=; 10...Re8 11.Rc1 Rc8 12.a3 Qb6 13.c5 Qd8 14.Bc4=; 10...Rb8 11.Rc1 Rc8 12.a3 Re8 13.Qd2 cb5 14.Nb5=; 10...Qc8 11.Nh4 Be6 12.d5 cd5 13.cd5 Nd5 14.Nd5+=; 10...Ra7 11.Rc1 Ra8 12.Nh4 Bg6 13.Ng6 fg6 14.Bf3+/–; 10...Qe8 11.a3 Qd8 12.Ng5 h6 13.Nf3 Rc8 14.Rc1=; 10...e4 11.Nd2 cb5 12.Nb5 d5 13.c5 Qc8 14.Rc1=; 10...Qb6 11.Nh4 Bg6 12.Ng6 fg6 13.Bf3 ed4 14.ed4+=; 10...h6 11.a3 Rc8 12.Qa4 Re8 13.Rad1 ed4 14.Rd4=) 11.Qa4 Re8 12.Rad1 Qc7 13.c5 ed4 14.cd6=.

9.b5 Rc8 10.d4 c6 11.Rc1 e4 12.Nd2 d5 13.c5 b6 14.bc6 =.

9.b5 Re8 A) 10.d3 Nc5 (10...Nb6 11.e4 Be6 12.Nd5 Nbd5 13.cd5 Bd7 14.Qa4+=; 10...Bg4 11.d4 c5 12.Re1 cd4 13.ed4 Rc8 14.Rc1=; 10...Qc8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 Nc5 14.f4=; 10...Ra7 11.e4 Bg4 12.d4 ed4 13.Nd4 Be2 14.Qe2+=; 10...Qb8 11.e4 Bg4 12.Ng5 Be2 13.Qe2 a4 14.a3=; 10...h6 11.e4 Be6 12.d4 a4 13.a3 Nb6 14.d5=; 10...Rc8 11.e4 Bg4 12.d4 c6 13.bc6 bc6 14.Rb1=; 10...c6 11.e4 Bg4 12.h3 Bh5 13.d4 Qb6 14.de5=; 10...Nf8 11.d4 Ng6 12.Qa4 Qd7 13.de5 Ne5 14.Rad1+=) 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.a4=; B) 10.a3 c5 (10...Rc8 11.d3 c6 12.e4 Bg4 13.h3 Bh5 14.Rb1=; 10...c6 11.d4 Rc8 12.Rc1 Qb6 13.c5 Qd8 14.Bc4=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.f3=; 10...Nf8 11.d4 Ng6 12.Qa4 Qd7 13.Rad1 e4 14.Nd2+=; 10...Ra7 11.d4 c6 12.Rc1 Ra8 13.Qd2 e4 14.Nh4+=; 10...Bg4 11.d4 c6 12.e4 cb5 13.cb5 Qb6 14.Na4=; 10...Nc5 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Bf3=; 10...Ne4 11.Ne4 Be4 12.Re1 Bf5 13.d4 e4 14.Nd2=; 10...h6 11.d4 c5 12.de5 de5 13.Nd2 Bg6 14.Bf3=) 11.d3 Nf8 12.e4 Bd7 13.Bc1 Ne6 14.Nd5=; C) 10.Rc1 Rb8 (10...Nb6 11.d4 e4 12.Nd2 Qd7 13.h3 Bg6 14.Qc2+=; 10...Rc8 11.d4 c6 12.a3 Qb6 13.c5 Qd8 14.Bc4=; 10...c6 11.d4 Rc8 12.a3 Qb6 13.c5 Qd8 14.Bc4=; 10...Nf8 11.d4 Ng6 12.Qa4 Nd7 13.Nd5 Bf6 14.Nf6+=; 10...c5 11.d4 cd4 12.ed4 Be6 13.Ng5 Bf5 14.Bd3=; 10...Bg4 11.d4 c5 12.h3 Bh5 13.Re1 Rc8 14.de5=; 10...Ne4 11.Ne4 Be4 12.d3 Bf5 13.d4 Bf6 14.de5=; 10...Nc5 11.d4 ed4 12.Nd4 Bg6 13.Nd5 Nd5 14.cd5=; 10...Ra7 11.d4 ed4 12.Nd4 Bg6 13.f4 Be4 14.Nb3=) 11.d4 c6 12.Ng5 Qb6 13.Bd3 Bd3 14.Qd3=; D) 10.a4 Nb6 (10...c5 11.d3 Nf8 12.e4 Bd7 13.Rb1 Ne6 14.Nd5=; 10...Rc8 11.d4 c6 12.Rc1 Rc7 13.Qd2 cb5 14.Nb5+=; 10...c6 11.d4 Rc8 12.Rc1 Rc7 13.Qd2 Rc8 14.Rfd1=; 10...Rb8 11.d4 c6 12.Rc1 Rc8 13.Qd2 cb5 14.Nb5=; 10...Nf8 11.d3 Ng6 12.e4 Bg4 13.h3 Bf3 14.Bf3+=; 10...Bg4 11.d4 Rb8 12.Qd3 ed4 13.ed4 Bh5 14.Rae1=; 10...Nc5 11.d4 ed4 12.Nd4 Bg6 13.Nb3 Nb3 14.Qb3=; 10...Ne4 11.Nd5 Ndc5 12.d4 ed4 13.Nd4 Be6 14.Bf3+=; 10...Qc8 11.d4 Nb6 12.Rc1 e4 13.Nd2 Qe6 14.d5=) 11.d4 Qd7 12.de5 de5 13.Qd7 Nfd7 14.e4=; E) 10.Ng5 h6 (10...Nc5 11.d4 Ne6 12.Ne6 Be6 13.Rc1 Bf5 14.Nd5=; 10...Bg6 11.f4 ef4 12.ef4 h6 13.f5 Bh7 14.Nh7+=) 11.Nf3 Nb6 12.d4 a4 13.a3 Qd7 14.de5=; F) 10.d4 c6 (10...ed4 11.Nd4 Bg6 12.f4 Be4 13.g4 Nc5 14.g5+/–; 10...h6 11.a3 c5 12.Re1 cd4 13.ed4 Rc8 14.Rc1=; 10...Bg4 11.h3 Bh5 12.g4 Bg6 13.Nh4 Nf8 14.Bf3+=) 11.Rc1 Rc8 12.a3 Qb6 13.c5 Qd8 14.Bc4=.

9.b5 Bg4 A) 10.Qc2 c6 (10...Rb8 11.d4 Re8 12.de5 de5 13.Rad1 Bd6 14.e4+=; 10...c5 11.Ng5 Be2 12.Ne2 Qc7 13.f4 h6 14.Ne4=; 10...Re8 11.d4 ed4 12.Nd4 Nc5 13.Nd5 Be2 14.Qe2=; 10...Nb6 11.d4 ed4 12.Nd4 Be2 13.Nce2 Nfd7 14.Rfd1+=; 10...Rc8 11.d4 Re8 12.de5 de5 13.Rad1 Bd6 14.Ne4+=; 10...Bh5 11.d4 Bg6 12.Bd3 ed4 13.ed4 Nb6 14.Bg6+=; 10...Ra7 11.d4 ed4 12.Nd4 Be2 13.Qe2 Re8 14.Nf5+=; 10...Qb8 11.d4 Re8 12.Rfe1 c5 13.bc6 bc6 14.Rab1+=; 10...Qc8 11.d4 Re8 12.h3 Bh5 13.Rfe1 ed4 14.ed4=) 11.h3 Bh5 12.bc6 bc6 13.d4 Bg6 14.Bd3=; B) 10.d3 Re8 (10...c6 11.h3 Bh5 12.Rb1 Qc7 13.Nh4 Be2 14.Qe2=; 10...Qe8 11.Nd2 Be2 12.Qe2 c6 13.d4 a4 14.a3+=; 10...Nb6 11.c5 Nbd5 12.Nd5 Nd5 13.Qa4 Be6 14.Rfc1=; 10...Ra7 11.d4 Re8 12.e4 c5 13.de5 de5 14.Qd3+=; 10...Nc5 11.d4 ed4 12.ed4 Ne6 13.h3 Bh5 14.Ng5=; 10...Rc8 11.h3 Be6 12.Ng5 c6 13.Rb1 d5 14.Ne6=; 10...Qc8 11.d4 Re8 12.h3 ed4 13.ed4 Bf5 14.Nh4+=; 10...Bf5 11.e4 Bg4 12.d4 ed4 13.Nd4 Be6 14.f4+=; 10...Rb8 11.Nd2 Be6 12.f4 ef4 13.ef4 Nb6 14.Nb3=) 11.d4 c5 12.Re1 cd4 13.ed4 Rc8 14.Rc1=; C) 10.Rb1 Rc8 (10...Nb6 11.d4 Bf5 12.Rc1 e4 13.Nd2 d5 14.c5+=; 10...Re8 11.d4 Bf5 12.Rc1 c6 13.Ng5 c5 14.Bd3+=; 10...c6 11.d4 Bf5 12.Rc1 Rc8 13.a3 Re8 14.Qd2=; 10...Qe8 11.Qc2 Nb6 12.d4 ed4 13.Nd4 Be2 14.Qe2+=; 10...Bf5 11.d3 Nc5 12.e4 Bd7 13.Re1 Re8 14.d4+=; 10...a4 11.Na4 Bf5 12.Rc1 c5 13.d4 ed4 14.ed4+=; 10...Rb8 11.d3 Nb6 12.h3 Be6 13.Ng5 Bd7 14.Na4=; 10...Ra7 11.Ng5 Be2 12.Qe2 a4 13.a3 Nb6 14.e4+=; 10...h6 11.Qc2 Re8 12.d4 ed4 13.Nd4 Be2 14.Qe2+=) 11.Qc2 c6 12.bc6 Rc6 13.d4 Bf3 14.Bf3=; D) 10.d4 c5 (10...Re8 11.h3 Bh5 12.g4 Bg6 13.Nh4 Nf8 14.Bf3+=; 10...Rb8 11.Qd3 Re8 12.Rad1 ed4 13.Qd4 Qc8 14.h3+=; 10...Ra7 11.Qd3 Re8 12.h3 Bh5 13.Rad1 a4 14.a3+=; 10...Rc8 11.e4 ed4 12.Qd4 Nc5 13.Rfe1 Re8 14.Rad1+=; 10...Be6 11.Ng5 Bf5 12.Bd3 Bd3 13.Qd3 a4 14.a3+=; 10...c6 11.Qd3 cb5 12.cb5 Rc8 13.e4 Be6 14.Rfd1+=; 10...ed4 11.Nd4 Be2 12.Qe2 Re8 13.Nf5 Nc5 14.Qf3+=; 10...Qe8 11.Qc2 Qd8 12.de5 de5 13.Rfd1 Bd6 14.Ne4+=; 10...a4 11.de5 de5 12.Na4 e4 13.Nd4 Be2 14.Ne2+=) 11.Qd3 Re8 12.Rfe1 cd4 13.ed4 Rc8 14.Rac1=; E) 10.h3 Be6 (10...Bh5 11.d4 c5 12.de5 de5 13.Qc2 Bg6 14.e4+=; 10...Bf5 11.d4 c6 12.Rc1 Rc8 13.a3 e4 14.Nd2+=) 11.d4 ed4 12.Qd4 a4 13.Nd5 a3 14.Bc3=.

9.b5 h6 A) 10.d3 Rc8 (10...Re8 11.e4 Bg4 12.d4 a4 13.a3 Nb6 14.Qd3+=; 10...Bg6 11.d4 Re8 12.Re1 Bf5 13.Nd2 c6 14.e4+=; 10...Nb6 11.d4 e4 12.Nd2 c6 13.f3 ef3 14.Bf3+=; 10...Nc5 11.d4 Ncd7 12.a3 Re8 13.Rc1 Rc8 14.Qd2=; 10...c6 11.e4 Bg6 12.Re1 Nc5 13.Rb1 Qc7 14.Qc2=; 10...Qe8 11.e4 Be6 12.d4 Rc8 13.d5 Bg4 14.Nd2+=; 10...Rb8 11.e4 Bg6 12.Bc1 c6 13.Re1 Qc7 14.Rb1=; 10...Bg4 11.Nd2 Be6 12.f4 ef4 13.Rf4 c6 14.Rb1+=; 10...Bh7 11.a3 Re8 12.e4 a4 13.Na4 Bg6 14.Nc3+=) 11.e4 Bg6 12.Nd2 c6 13.f4 ef4 14.Rf4=; B) 10.d4 Rc8 (10...Ra7 11.a4 c5 12.Rc1 Re8 13.Bd3 Bd3 14.Qd3+=; 10...Qe8 11.a3 Qd8 12.Rc1 Re8 13.Re1 c5 14.Nh4=; 10...Re8 11.a3 c5 12.d5 Ne4 13.Ne4 Be4 14.Nd2=; 10...c5 11.d5 Bh7 12.Nd2 Nb6 13.f4 ef4 14.Rf4=; 10...c6 11.a3 Rc8 12.Rc1 Re8 13.Qa4 Qc7 14.Rfd1=; 10...Kh8 11.a3 Re8 12.Rc1 Kg8 13.Re1 Ra7 14.c5+=; 10...Qb8 11.Bd3 e4 12.Bc2 c6 13.d5 Nb6 14.Nd2+=; 10...Bg6 11.Rc1 Re8 12.a4 Bf5 13.Re1 Rb8 14.Nd2+=; 10...Bh7 11.Rc1 Re8 12.Nd5 e4 13.Ne7 Qe7 14.Nd2+=) 11.Qa4 c6 12.Rad1 Qc7 13.c5 e4 14.Nh4=; C) 10.Rc1 Rc8 (10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.f3+=; 10...Re8 11.d4 Rc8 12.Qa4 Ra8 13.a3 Nb6 14.Qd1=; 10...Ra7 11.d4 c5 12.Bd3 e4 13.Bc2 Re8 14.Nd2+=; 10...Nc5 11.d4 ed4 12.Nd4 Be6 13.Ne6 fe6 14.Na4+=) 11.d4 c6 12.a3 Re8 13.Qa4 Qc7 14.Rfd1=; D) 10.a4 c6 (10...Re8 11.d4 c5 12.d5 Bh7 13.Nd2 Bg6 14.f4=; 10...Nb6 11.d4 e4 12.Nd2 Re8 13.Rb1 Qd7 14.Qc2=; 10...Rc8 11.d3 Nb6 12.Nd2 Re8 13.Nb3 Ra8 14.e4+=; 10...Qe8 11.d4 Rd8 12.Nd2 Nb6 13.Rc1 ed4 14.ed4+=; 10...c5 11.d3 Be6 12.Nd2 Re8 13.f4 ef4 14.Rf4+=; 10...Ra7 11.d4 c5 12.Re1 Re8 13.Rc1 ed4 14.ed4+=; 10...Rb8 11.d4 Re8 12.Rc1 Rc8 13.Qd2 Nb6 14.Qe1=; 10...Bh7 11.d4 Bf5 12.Rc1 Rb8 13.Bd3 Bd3 14.Qd3+=; 10...Qc8 11.d4 Re8 12.Rc1 Qd8 13.Nd5 Nd5 14.cd5=) 11.d4 Rc8 12.Qb3 Re8 13.Rfd1 Qc7 14.Rac1=; E) 10.Re1 c5 (10...c6 11.d3 d5 12.cd5 cd5 13.Rc1 Be6 14.Na4=; 10...Re8 11.d4 c6 12.a3 Rc8 13.Qa4 Be6 14.Nd2=; 10...Qe8 11.d4 c6 12.Nd2 Qd8 13.e4 Bg6 14.d5=; 10...Rc8 11.d3 c6 12.e4 Bg6 13.Rb1 Nc5 14.Bc1=; 10...Bh7 11.d4 Re8 12.Rc1 Bf5 13.a4 Rc8 14.Nd2=; 10...Ra7 11.d3 Nb6 12.e4 Bg4 13.Nd2 Bc8 14.d4+=; 10...Nb6 11.d4 e4 12.Nd2 Re8 13.f3 ef3 14.Bf3=; 10...Bg6 11.d4 Re8 12.Rc1 Ra7 13.a4 e4 14.Nd2+=; 10...Nb8 11.d4 Nbd7 12.Rc1 Re8 13.a4 Rc8 14.Nd2=) 11.d4 Re8 12.Nh4 Bh7 13.de5 de5 14.Nf3=; F) 10.Nh4 Bh7 (10...Be6 11.d4 Nb6 12.d5 Bc8 13.Nf3 Bf5 14.a3=) 11.d4 e4 12.g3 d5 13.f3 dc4 14.Bc4=; G) 10.h3 Rc8 (10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nbd7 14.Qa4+=; 10...c5 11.d4 cd4 12.ed4 e4 13.Nd2 Rc8 14.Re1=; 10...c6 11.d4 Rc8 12.Qb3 Re8 13.Rfd1 Qc7 14.a3=; 10...Re8 11.d4 c5 12.Re1 cd4 13.ed4 Rc8 14.Rc1=; 10...Ra7 11.d4 e4 12.Nd2 Re8 13.Qc2 Bf8 14.a4+=; 10...Qb8 11.d4 Re8 12.a3 c5 13.de5 de5 14.e4+=; 10...Kh8 11.d4 Re8 12.Rc1 Kg8 13.a3 ed4 14.Nd4=; 10...Qc8 11.d4 Re8 12.a3 c5 13.Re1 cd4 14.ed4=; 10...Bg6 11.d4 Re8 12.a3 c5 13.Rc1 cd4 14.ed4=) 11.d4 c6 12.Rc1 Re8 13.Qd2 cb5 14.Nb5=; H) 10.Kh1 Rc8 (10...Nb6 11.d4 e4 12.Nd2 Re8 13.d5 a4 14.a3=; 10...c6 11.d3 Qb6 12.e4 Be6 13.d4 ed4 14.Qd4=; 10...c5 11.d3 Re8 12.Nd2 Be6 13.Bf3 Qc7 14.Qc2=; 10...Re8 11.d4 c5 12.d5 Ne4 13.Ne4 Be4 14.Bd3+=; 10...Rb8 11.d4 Re8 12.Kg1 c6 13.a3 Rc8 14.Ra2=; 10...Nc5 11.d4 Ncd7 12.Kg1 Re8 13.a3 c5 14.de5=; 10...Ra7 11.d4 Re8 12.Kg1 c5 13.Re1 Qc7 14.de5=; 10...Kh8 11.d4 Re8 12.Kg1 Kg8 13.a3 c5 14.de5=; 10...Qc8 11.d4 Re8 12.a3 Qd8 13.Kg1 c5 14.de5=) 11.d4 c6 12.Qa4 Re8 13.Rad1 Qc7 14.Kg1=; I) 10.Qc1 Re8 (10...Ra7 11.d4 Re8 12.de5 de5 13.Rd1 Qc8 14.Nd5+=; 10...c6 11.d4 e4 12.Nd2 cb5 13.Nb5 d5 14.Ba3+=; 10...a4 11.d4 Re8 12.a3 c5 13.de5 de5 14.Rd1=; 10...Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.f3=; 10...c5 11.d3 a4 12.Nd2 Be6 13.f4 ef4 14.Rf4=; 10...Qe8 11.d4 a4 12.a3 Ra5 13.Qd2 Qa8 14.de5+=; 10...Rb8 11.d4 c6 12.Rd1 e4 13.Nd2 cb5 14.Nb5+=; 10...Rc8 11.d4 c6 12.Rd1 e4 13.Nd2 cb5 14.Nb5=; 10...Bg6 11.d4 a4 12.a3 Re8 13.Qd1 ed4 14.ed4=) 11.d4 a4 12.a3 ed4 13.Nd4 Bg6 14.Qd1=; J) 10.a3 Nb6 11.d4 e4 12.Nd2 d5 13.c5 Nc8 14.Qa4=.

8.d4 ed4

9.ed4 d5 10.c5 c6 11.Nbd2 Qc7 12.Nh4 Be6 13.a4 Qf4 14.g3 Qc7 15.f4 Bh3 16.Ng2 Rfe8 17.Ra3 (17.Re1 Rab8+=) 17...Bf8 (17...a5!?–/+) 18.Rf2 Bf5 (18...Re7 19.g4 Bg2 20.Kg2+=) 19.Bd3 (19.g4!? Re2 20.Re2 Bg4 21.Nf3+=) 19...Bd3+= 20.Rd3 Ne4 21.Ne4 Re4 22.Re2 Rae8 23.Rde3 Nf6 24.h3 Qd7 25.Kh2 Re3 26.Re3 Re3 27.Ne3 Qe6 28.Qd3 Ne4 29.Bc1 (29.Qe2 b6+=) 29...Qg6 (29...Qh3 30.Kh3 Nf2 31.Kg2 Nd3 32.Ba3–/+) 30.Nf1 (30.Ng4 Be7+=) 30...Qh5 31.g4 Qh4 32.Qe2 (32.Qe3 f5 33.gf5 Qf6+=) 32...Be7 (32...Nc3 33.Qe3–/+) 33.Bd2 h6 (33...Kh8 34.Qe3+=) 34.Be1 Qf6 35.Qe3 ½–½. Borrmann,Fritz – Mattner,Uwe, Leutersdorf Sparkasse op, 2006.

9.Nd4+= Bg6 10.a3 a5 11.Bf3 (11.f4 ab4 12.f5 ba3 13.Ra3 Ra3 14.Na3 Nc5+–) 11...c6 12.b5 Ne5 13.bc6 bc6 (13...Nf3!? 14.Qf3 Be4=) 14.Nc6+/– (14.Bc6?! Rc8 15.Qa4 Qb6=) 14...Nc6 15.Bc6 Qb6 16.Bb5 (worse is 16.Ba8 Qb2 17.Qd4 Qd4 18.ed4 Ra8–/+) 16...d5 17.Bd4 Qb7 18.a4 (18.Qa4 dc4 19.Bc4 Be4+/–) 18...dc4 19.Bc4 Rac8 20.Bd3 Ne4 21.f3 Nc5 22.Bg6 hg6 (22...fg6 23.Nc3+/–) 23.Nd2 (23.Nc3 Rfd8 24.Rb1 Qc6+/–) 23...Ne6 (23...Qb4 24.Re1+/–) 24.Qb1 (24.Rb1 Qd7 25.Bb6 Nc5+/–) 24...Bb4 25.Nb3 (25.Rd1 Nd4 26.ed4 Qd5+=) 25...Nd4+= 26.Nd4 (26.ed4 Qd5 27.Qd1 Rfd8=) 26...Qa7 (26...Qe7!? 27.Nc2 Bc3+=) 27.Rd1 Rfe8 28.Nc2 (better is 28.Rd3!?+/–) 28...Bc5= 29.Kh1 Be3 30.Ne3 Re3 (30...Qe3 31.Qb5 Re5 32.Qd3+=) 31.Qb5 Rce8 32.Qg5 (32.Rac1 R8e5 33.Rc8 Kh7=) 32...Qc7 33.Qg3 Qc3 34.Rdc1 Qd2 35.Rd1 Qe2 (35...Ra3 36.Rab1 (36.Rd2?? Ra1 37.Rd1 Rd1 38.Qe1 Rde1) 36...Qc2 37.Rdc1 Qa4 38.Re1–/+) 36.Kg1 (36.Rac1 R3e7=) 36...R3e5 (36...Qc4 37.Rd7=) 37.Qf2 (37.Kh1 Qc4=) 37...Qc4 38.Rdc1 Qb4 39.Rcb1 Qe7 40.Kf1 Qe6 41.Qg3 Qc4 42.Kg1 Qd4 43.Qf2 Qf4 44.Qg3 Qd2 45.Rd1 Qe3 46.Qf2 Qb3 47.Rdb1 Qe6 48.Qa2 Qf6 49.Qf2 Re2 50.Qg3 Qd4 51.Kh1 Rd2 52.Re1 The mate threat is Rxe8 52...Rd8 53.Qe5 (53.Qg5 Rd5 54.Qg3 Re2=) 53...Qb4 (53...Qe5!? 54.Re5 f6+=) 54.Reb1 Qh4 (54...g5 55.Qb5= (55.Qg5?? Qb1 56.Rb1 Rd1 57.Rd1 Rd1)) 55.Qg3 (better is 55.Qa5!? Qf6 56.Re1+=) 55...Qf6 (55...g5 56.Qe5 R2d5 57.Qe7+=) 56.Re1 R8d5 (56...Qc3 57.Rab1+=) 57.h3 (57.Re8 Kh7 58.Rae1 R5d4=) 57...Rd8 (57...Qg5 58.Qg5 Rg5 59.g4=) 58.Kh2 (58.Rab1 Qd4=) 58...R2d5 59.Qf2 Qf4 (59...Rd3 60.Qg3+=) 60.Qg3 Qd2 61.Rad1 (61.Re5!?=) 61...Qd1+= 62.Rd1 Rd1 63.Qc7 R8d5 64.Qc6 Kh7 65.Qb7 f6 66.Qc6 R1d2 67.h4 (67.Qc3 g5+=) 67...Re5 (67...R5d4!? 68.Qc3 Rh4 69.Kg3 Rhd4–/+) 68.Kh3+= Ree2 Black gets the initiative 69.f4 (69.g4 Rh2 70.Kg3 g5 71.hg5 fg5–/+) 69...Rg2 (69...Rd4!?–/+) 70.Qg2+= Rg2 71.Kg2 Kh6 72.Kg3 Kh5 73.Kh3 g5 74.hg5 fg5 75.Kg3?? (75.fg5 Kg5 76.Kg3–+) 75...Kg6 (75...Kg6 76.fg5 Kg5–+; 75...gf4 76.Kf4 Kh4 77.Kf3–+) 0–1. Grau,Jose Maria – Marino,Miguel, Equipos Asturias, 1990.

9.Nd4 Bg6 10.Nc3 Ne4 11.Nd5 Bf6 12.f4 h6 13.f5 Bh7 14.Bf3 Re8 15.Qd3 Ng5 16.Nf6+– Nf6 17.Bb7 Ng4 18.Nc6 Qd7 19.e4! Rab8 20.Nb8 Rb8 21.Qd4 Ne5 22.Qa7 Re8 23.b5 Nc4 24.Bc6 Qe7 25.Be8 Qe8 26.Qc7 (26…Bf5 27.Qc4+–) 1–0. mrkt – Boardfn, ChessWorld.net, 2004.

9.Nd4 Bg6 10.Nc3 Ne5? 11.f4+– Nc4 12.Bc4 d5 13.Be2 Be4 14.Ne4 Ne4 15.a3 (15.Bd3 Bf6+–) 15...Bf6 16.Re1 (16.Qc2 Re8+–) 16...Bh4 17.g3 Bf6 18.Bf3 (18.Rc1 c6+–) 18...Re8 19.Qd3 Qd7 (19...c6 20.Rab1+–) 20.Rad1 Qf5 1–0. Schiefelbusch,Dirk (2100) – Morgenroth,Hubertus (1650), Dortmund–ch, 2004.

9.Nd4 Bg6 10.Nc3 Ne5 11.f4 Ned7 12.f5 1–0. pierred (2760) – phandorum (2445), net–chess.com, 2011.

7.0–0 h6

8.a3 Bg4 9.d4 e4 10.Nfd2 Be2 11.Qe2 c6 12.Nc3 d5 13.Rfc1 Re8 14.cd5 cd5 15.Qb5 b6 16.Nb3 a6 17.Qe2 Nbd7 18.Rc2 Rc8 19.Rac1 Nf8 20.Qa6 Ng6 21.Qe2 Qd6 22.Na4 Rc2= 23.Rc2 Nh7? 24.Rc1 f5? 25.Qb5 f4?? 26.Rc6 Qd7 27.Nb6 Qg4 28.Rc1 f3+/– 29.g3 Ng5?? 30.Nd5 Nh3 31.Kf1 Nh4 32.Nf4 (32…Rd8 33.Qh5+–; 32.Qe8 Kh7 33.Ne7 Qe6 34.d5 h5 35.de6 Kh6 36.Qh8 Kg5 37.Qg7 Ng6 38.Qg6#) 1–0. Slavisa2 – ItsOk, Live Game Caissa's Web, 2004.

8.Qb3 Nc6 9.b5 Nb8 10.d4 ed4 11.Nd4 +=.

8.Qb3 Nbd7 9.d4 ed4 (9...e4 10.Nfd2=) 10.Nd4+= Bh7 (10...Bg6 11.Nd2+=) 11.Nd2 (11.Nc3 c5 12.bc5 Nc5=) 11...c5= 12.Nc2 (12.N4f3 cb4 13.Qb4 d5=) 12...cb4 (12...Bc2 13.Qc2 cb4 14.Rab1=) 13.Nb4 Nc5 14.Qa3 d5 15.Bf6 Bf6 16.Rad1 (worse is 16.cd5 Ba1 17.Ra1 a5–/+) 16...dc4 17.Nc4 Qc8 18.Nd5 Bd8 (18...Bg5 19.f4 Bd8 20.Bf3+/–) 19.Nd6 (19.Rd4 Ne6 20.Rd2 Nc5+/–) 19...Qc6+= 20.Nb5 (20.Nc3 Qb6+=) 20...Ne6 (20...a6 21.Nbc3+=) 21.Qb2 (21.Rd2 Qc5+/–) 21...Qc2 (21...a6 22.Nbc3+=) 22.Qc2+/– Bc2 23.Rc1 Be4 24.Nbc3 (24.Rfd1 Bd5 25.Rd5 Bf6+=) 24...Bd5 25.Nd5 Ba5 26.Bf3 (26.Rfd1 Rad8+/–) 26...Rab8 (26...Rfd8 27.Rb1 Ng5 28.Ne7 Kf8 29.Rb7 Nf3 30.gf3+/–) 27.h4 (27.Ne7 Kh7+=) 27...Rfd8 28.Rc4 (28.Rfd1 Kf8+=) 28...Kf8 29.Ra4 (29.Rfc1 b5 30.Rc6 Rd7+=) 29...b6= 30.Rc1 Rbc8 31.Rac4 Rc4 (31...Rc5 32.Rc5 bc5 33.Kf1=) 32.Rc4+= Nc5 33.g3 Ne6 (33...g6 34.Kf1+=) 34.Rc6 (34.Kf1 g5+=) 34...Ke8 35.Nc7 (35.a3 Kd7 36.Rc1 Kd6+=) 35...Ke7= 36.Ne6 (36.Bg4 Nc5 37.Nb5 a6+=) ½–½. Harding,Timothy Davi – Keenan,Joseph A, corr Ireland, 1989.

8.b5 b6 9.d4+= Nbd7 (9...e4!? 10.Nfd2 a6+=) 10.de5+/– Ne5 11.Ne5 (worse is 11.Be5 de5 12.Ne5 Ne4=) 11...de5 12.Be5 Bc5 13.Qd8 Rad8 14.Nc3 Rfe8 15.Bf6 gf6 16.Nd5 Kg7 17.Nc7 Re7 18.Nd5 Red7 19.Rad1 Be6 20.Bf3 1–0. pierred – anony, internet, 2015.

8.b5 Nbd7 9.d4 ed4 10.Nd4+= Bg6 11.Nd2 (11.Nc3 a6=) 11...a6 (11...Re8 12.a4=) 12.a4 (12.ba6 Ra6 13.c5 Ra7=) 12...Nc5= 13.Bf3 (13.N4b3 Nd3 14.Bd4 ab5 15.ab5 Qd7+=) 13...Nfe4 (13...Re8 14.N4b3 Nfd7 15.Nc5 Nc5 16.Nb3+=) 14.Ne4+= Be4 (14...Ne4 15.Be4 Be4 16.Qg4=) 15.Be4 Ne4 16.Qc2 (16.Qg4 Nf6 17.Qf3 ab5 18.ab5 Ra1 19.Ra1 d5+–) 16...Nc5+= 17.Nb3 (17.Rfd1 Bf6+=) 17...Nb3= 18.Qb3 Bf6 (18...Re8 19.Rfd1+=) 19.Rfd1 (19.a5 Bb2 20.Qb2 Re8+=) 19...Bb2 20.Qb2 Qg5 (20...b6 21.Qd2+=) 21.Rd5 (21.b6 Qc5+=) 21...Qg6 22.h3 (22.a5 c6 23.Rdd1 ab5 24.cb5 d5+=) 22...ab5= 23.ab5 (23.Qb5? c6 24.Qb7 cd5 25.Qd5 Qf6–+; 23.cb5?! Rfc8+=) 23...Ra1 (23...Rfe8 24.b6 Ra1 25.Qa1 cb6 26.Qd1+=) 24.Qa1+= Qc2 (24...Re8 25.Rd4+=) 25.Qd4 White plans c5 (25.Rd4 b6+=) 25...Ra8= 26.c5 (26.Qh4 Ra2=) 26...Ra4+= 27.Qd3? (27.Qd1 Qd1 28.Rd1 dc5 29.Rd8 Kh7=) 27...Qd3 (better is 27...Ra1 28.Kh2 Qf2–+) 28.Rd3= dc5 29.Rd7 (better is 29.Rd8!? Kh7 30.Rd7=) 29...Rb4 30.Rc7 Rb5 31.Kh2 (31.Kf1 b6–/+) 31...b6 32.Kg3 Rb2 (32...g5 33.f4–/+) 33.Kf3 (33.e4 Rb4 34.e5 Re4–/+) 33...g6 (33...Rb4 34.e4–/+) 34.Rc8 (34.e4 Rb3 35.Ke2 Rb4–/+) 34...Kg7 35.Rc6 Rb4 36.Kg3 (36.e4 c4–/+) 36...h5 (36...c4 37.e4–+) 37.f4 Rb3 (37...c4 38.e4–+) 38.Kf3–/+ Rb4 (38...f5 39.g3–/+) 39.g4 (39.Kg3 c4 40.e4–+) 39...hg4–/+ 40.hg4 c4 41.g5 b5 42.Ke2 (42.Ke4 Rb3–/+) 42...Rb3 (42...Rb2 43.Kd1–+) 43.Kd2 Rd3 44.Ke2 Rb3 (44...Rc3 45.Kd2 b4 46.e4–/+) 45.Kd2–/+ Rd3 46.Ke2 Rd5 (46...Rc3 47.Kd2 b4 48.e4–/+) 47.e4 (47.Rc8 f5–/+) 47...Rd4 48.Ke3 Rd3 49.Ke2 Rb3 (49...Rc3 50.Rc7–/+) 50.Kd2 Rd3 51.Ke2 Rb3 (51...Rc3 52.Rc7–/+) 52.Kd2 Rh3 (52...Rb2 53.Ke3–/+) 53.Rc5 (better is 53.e5–/+) 53...Rb3 (53...Rd3 54.Ke2 Rb3 55.Kd2–/+) 54.e5 (54.Rc6 Rb2 55.Kc3–/+) 54...Kf8–/+ 55.Rc8 Ke7 56.Rc7 Ke6 57.Rc6 Kf5 (57...Kd7 58.Rc5–/+) 58.Rf6 Kg4 (58...Ke4 59.Rf7 b4 60.e6 Rd3 61.Kc1–/+) 59.Rf7+= c3?? (better is 59...Rd3 60.Ke2 b4–/+) 60.Kc2+– Ra3 61.e6 b4 62.e7 Ra2 63.Kb3?? (63.Kd3 Rd2 64.Ke3+–) 63...Rb2 (63...Re2 64.f5 A) 64...Kg5?! 65.fg6 (65.Kb4? c2 66.e8Q Re8–+) 65...Kg6 66.Rf2=; B) 64...c2–/+) 64.Ka4? (64.Kc4 c2 65.e8Q c1Q 66.Kb5 Qf1 67.Kb6 Qf2 68.Kb7+=) 64...c2?? (better is 64...Re2–+) 65.e8Q= c1Q Attacks the backward pawn on f4 66.Qe6 Kg3 0–1. GuestYFDH – GuestQPGZ, freechess.org, 2016.

8.b5 Nbd7 9.d4 Be4 10.Nbd2 ed4 11.Nd4 (better is 11.Ne4 Ne4 12.Qc2+=) 11...Qc8? (better is 11...Bg6=) 12.Ne4+– Ne4 13.Qc2 (better is 13.Nf5 Re8 14.Ng7+– (worse is 14.Bg7 Bf6 15.Bf6 Ndf6+–)) 13...Nef6 14.Nf5 Ne5?? (better is 14...Re8+/–) 15.Ne7+– Kh8 16.Nc8 Rac8 17.f4 Ng6 18.Bf6 gf6 19.Qc3 Kg7 20.Rf3 Rcd8 21.Rg3 d5 22.f5 1–0. GuestJYKJ – GuestHFBM, freechess.org, 2017.

8.Nc3 Nbd7 =.

8.d3 a5 9.b5 =.

8.d3 Nbd7 9.Nbd2 e4 (9...a5!? 10.a3 Be6=) 10.de4+= Ne4 11.Ne4 (11.Nd4 Nd2 12.Qd2 Bg6+=) 11...Be4 12.h3 (12.Nd2 Bf5+=) 12...Bf6= 13.Bf6 Qf6 14.Qd4 Qd4 (14...Rfe8 15.Rfd1=) 15.Nd4 a6 (15...a5 16.a3=) 16.f3 Bg6 17.e4 (17.Rfd1 Rae8 18.Kf2 c5+=) 17...Rfe8 (17...c5 18.Nb3=) 18.Rad1 Rad8 19.Rfe1 Kf8 (19...c5 20.Nc2 Ne5 21.a3+=) 20.Bf1 (20.g3 Ke7+=) 20...Kg8 (20...c5 21.Nc2=) ½–½. Krueger,Ingo – Himmelstaub,Werner, Pinneberg–ch, 2003.

8.d3 e4 9.de4+= Ne4 10.Nbd2 Nd2 11.Qd2 Bf6 12.Bf6 Qf6 13.Qd4 Nd7= 14.Qf6 Nf6 15.Nd4 Bg6 16.Bf3 Be4 17.Rac1 c5= 18.Nb5 Bf3 19.gf3 Rfd8 20.Rfd1 Ne8 21.a3 a6 22.Nc3 cb4 23.ab4 Nf6 24.Rd4 Rac8 25.Na4 Rc6 26.c5 Rdc8 27.Rcd1 dc5 28.bc5 Kh7 29.e4 R8c7 30.Kg2 Nh5 31.e5 Rg6 32.Kf1= Re6 33.f4 Kg6=+ 34.Rd7 Re7–/+ 35.R1d6 Kf5–+ 36.c6 bc6 37.Re7 Re7 38.Rc6 Nf4 39.Ra6 Re5 40.Ra7 Kg6 41.Nc3–/+ Rc5 42.Ra4 Kf5 43.Ne2 Ne2 44.Ke2 Rc3 45.Kf1 g5 46.Kg2 h5 47.h3 Rc5 48.Rb4 Kg6 49.Rb6 f6 50.Rb4 Rf5 51.Ra4 Rf4 52.Ra3 g4 53.hg4 hg4 54.Kg3 Kg5 55.Ra5 f5 56.Ra3 Rb4 57.Rc3 f4–+ 58.Kg2 Kh4 59.Rc8–/+ Rb5 60.Rh8 Rh5 61.Rg8 Rh7 62.Rg6 Rf7 63.Rg8 Rf6 64.Rh8 Kg5 65.Ra8 Kf5 66.Ra5 Ke4 67.Ra4 Kd3 68.Ra3 Kc2 69.Ra2 Kb3 70.Ra8= Kc3 71.Rg8 g3 72.fg3= fg3 ½–½. nogumo – Andreas, mySchach.de, 2005.

8.d4 e4 9.Nfd2 c6 (9...d5 10.a3=) 10.Nc3 d5 11.cd5 (11.a3 a5=) 11...cd5 (11...Bb4 12.dc6 Nc6 13.Qa4=) 12.b5 (12.a3 a5=) 12...Nbd7 (12...a6 13.f3=) 13.a4 (13.Rc1 Rc8=) 13...Re8 (13...Rc8 14.Qb3 Qa5 15.Rac1= (15.Nd5? Nd5 16.Qd5 Qd2 17.Qf5 Nf6–+)) 14.Qb3 Nf8 (14...Qa5 15.Ba3=) 15.f3 (15.Rfc1 Rc8+=) 15...ef3 16.Nf3 (16.Bf3 Be6+=) 16...Bd6= 17.Ne5 (17.Nd5? Nd5 18.Ne5 Be6–+) 17...Be6 (worse is 17...Be5 18.Rf5 Bb8 19.Nd5 Nd5 20.Rd5 Re3 21.Qe3 Qd5 22.Bf3+/–) 18.Bf3? The pressure on the isolated pawn grows (better is 18.Qc2+=) 18...Be5–+ 19.de5 d4 20.Qa3 (20.Qc2 dc3 21.ef6 cb2 22.Qb2 Qf6 23.Qf6 gf6 24.Bb7 Rab8–/+) 20...dc3 21.Bc3 (21.ef6!? cb2 22.Qb2 Qf6 23.Qf6 gf6 24.Bb7–/+) 21...Ng4–+ (21...Ng4 22.Qc1 Qb8–+) 0–1. Quirk,James – Kopec,Danny, Cape Cod op, 1976.

7.d3 c6

8.Nbd2 a5 9.a3 Na6 10.b5 cb5 11.cb5 Nc5 Black intends a4 12.e4 Be6 13.0–0 a4 14.Ng5 (14.Qb1 Nb3 15.Nb3 ab3+=) 14...Bb3 15.Nb3 Nb3 16.Rb1 Nd7 (16...Qa5!? 17.Nf3 Rfd8+=) 17.Nf3= Bf6 18.d4 ed4 19.Nd4 Ndc5 20.Nb3 (20.f3 Be5 21.Nf5 Qf6+=) 20...ab3+= 21.Bf6 (21.Bc4 Bb2 22.Rb2 Qf6+=) 21...Qf6–/+ (worse is 21...gf6 22.Bc4+=) 22.Qd5 (22.Rb3 Nb3 (22...Ne4?! 23.Bf3 Rfe8 24.Re3+=) 23.Qb3 Qe5–/+) 22...Ra3–+ 23.Bc4 b2 24.f4? (better is 24.e5 Qe5 25.Qe5 de5 26.Rb2–+) 24...Qc3–+ 25.Rf3 Qc1 26.Rf1 Qe3 27.Rf2 (27.Kh1 Ra4 28.e5–+) 27...Ne4 (27...Ne4 28.Qe4 Qe4 29.Rbb2 Qc4–+) 0–1. GuestKTRV – Jubileum, freechess.org, 2017.

8.Nbd2 Nbd7 9.e4 Be6 10.Ng5 d5 11.Ne6 fe6 12.0–0 (12.a3 a5 13.c5 b6+=) 12...Qb6 (better is 12...Bb4!? 13.Rb1 Bd6–/+) 13.a3 Rad8 (13...c5 14.b5=) 14.Bg4 Ng4 15.Qg4 Rf6 16.ed5 1–0. GuestTQVC – guestyoloo, freechess.org, 2017.

7.d3 Nbd7

8.0–0 a5 9.b5 =.

8.0–0 c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Nc3 Ra8 14.h3 h6 15.e4 Bh7 16.Nh2 g5 (16...Qd8!?=) 17.Ng4 Ng4 18.Bg4 Nf6 19.Bf3 Bd8 20.g4 (20.Bb2 Kg7+=) 20...Nd7 21.Nd5 Nf8 22.Kg2 (22.Bc3 Qa2=) 22...Ng6 (22...Ne6 23.Qc1=) 23.Bc3 (23.Bb2 Qa4=) 23...Qa2 (23...Nf4 24.Kg1 Qa3 25.Qc2 Nd5 26.cd5+=) 24.Bd2 (24.Qe2 Qb3=) 24...Kg7 25.Be3 (25.Re1 Ba5 26.Re2 Bd2 27.Rd2 Qa5+=) 25...f6 (25...Nf4 26.Bf4 gf4 27.Qc1+=) 26.Rh1 Bg8 27.Re1 Bf7 28.Bd2 (28.Re2 Qa3+=) 28...Ba5 (28...Bd5 29.ed5 (29.cd5? Ba5 30.Re2 Bd2 31.Rd2 Qa3–+) 29...Ba5 30.Re2 Bd2 31.Rd2 Nf4 32.Kg3–/+) 29.Ba5 (29.Re2 Bd2 30.Rd2 Qa5+=) 29...Qa5–/+ 30.Ne3 Be6 31.Be2 (31.Kh2!?–/+) 31...Qc3 32.Bf1 Ra3 33.Kh2 Nf4 34.Nf5 Bf5 35.gf5 (35.ef5 Ra2 (35...Nd3 36.Re3 Qc4 37.Rd3 Rd3 38.Bd3+=) 36.Qf3 d5–+ (36...Qe1?! 37.Qb7 Kg8 38.Qb8 Kf7 39.Qb7 Kf8 40.Qc8 Ke7 41.Qc7 Ke8 42.Qc8 Kf7 43.Qb7 Kg8 44.Qb8 Kh7 45.Qb7 Kh8 46.Qc8 Kg7 47.Qb7 Kg8=)) 35...Qd4 (better is 35...Ra2 36.Kg1 Rc2–+) 36.Re3?? (better is 36.Qd2–/+) 36...Ra1–+ 37.Qc2 (37.Qa1 Qa1 38.Kg1–+) 37...Rf1 38.b6 (38.Qa2 Qc3 39.Qa3 Qa3 40.Rg3 Qa1 41.Rg5 hg5 42.Kg3 Qd4 43.Kg4 Qd3 44.h4 Rg1) 38...Qa1 39.Kg3 (39.Qb1 Qb1 40.Kg3 Rg1 41.Kf3 Qd1 42.Re2 Qe2) 39...Rh1 40.Re1 (40.Kf3 Rh3 41.Kg4 h5) 40...Rh3 41.Kg4 h5 0–1. Tagirov,Kajum K (1875) – Ataullin,Ilshat, Memorial Kopylov, 2009.

8.0–0 c5 9.b5 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Nbd2 Nb6 (13...Qb4 14.d4=) 14.Nb3 Qa7 15.Qc2 Ra8 16.h3 (16.Nfd2 Qb8=) 16...Qa2 17.Bb2 Qa7 (17...e4 18.Ra1 ed3 19.Bd3 Bd3 20.Qc3 Qa1 21.Na1 Bc4 22.Nd2–/+) 18.Ra1 Qb8 19.Nh4 (19.Ra8 Qa8 20.e4 Bd7=) 19...Be6 (19...Ra1 20.Ba1 Be6 21.Nf3=) 20.d4 (20.Ra8 Qa8 21.Nf3 Qa2=) 20...Ra1 21.Ba1 ed4 (21...cd4!? 22.ed4 Qc7=) 22.ed4+= cd4 23.Nd4 Qc8 24.Ne6 Qe6 (better is 24...fe6!? 25.Bd4 Nbd5+=) 25.Nf5+/– Nbd7 26.Ne7 (26.Nd4 Qe5+/–) 26...Qe7+= 27.Kf1 (27.Qa2 Qe8+/–) 27...Nc5 28.f3 (28.Bd4 Ne6 29.Be3 Qd8+=) 28...Ne6 (better is 28...Nh5 29.Bc3 Qg5+=) 29.g3 (29.Bd3 h6+=) 29...Nd7 (29...Nh5 30.g4 Ng3 31.Kf2 Qh4–+ (31...Ne2?! 32.Qe2 Qh4 33.Ke3+=)) 30.Qc3 (30.Qf5 Ndc5+=) 30...Qg5 31.Kg2?? (better is 31.f4 Qf5 32.Bg4 Qb1 33.Qe1 Qd3 34.Qe2 Qg3 35.Be6 Qf4 36.Kg2 fe6 37.Qe6 Qf7 38.Qd6+=) 31...Nf4–+ 32.Kf2 Ne2 (32...Nh3 33.Ke1 Qg3 34.Kd2–+) 33.Ke2–/+ Qg3 34.h4 f6 (34...Ne5 35.c5 Qg2 36.Kd1 Qf1 37.Kc2 Qe2 38.Kc1 Nd3 39.Kb1 Qf1 40.Kc2 Ne1 41.Kb3 Qb5 42.Ka2 Qa4 43.Kb2 Nf3 44.cd6 Qb5 45.Ka3 Qa6 46.Kb3=) 35.Qe3 (35.Qd4 Qe5 36.Qe3 Qe3 (worse is 36...Qa1 37.Qe6 Kf8 38.Qd7 Qa2 39.Ke3 Qb3 40.Kf2 Qc4 41.Qd6 Kf7 42.Qd7 Kg6 43.Qb7 Qh4 44.Kg2 Qg5 45.Kh3=) 37.Ke3 Ne5 38.Be5 fe5–/+ (38...de5?? 39.c5+–)) 35...Ne5 (better is 35...Kf7–/+) 36.h5? (better is 36.Be5!? Qe5 37.f4 Qe3 38.Ke3–+) 36...Qg2 (36...Qh2 37.Qf2 Qf4 38.Bd4–+) 37.Qf2 Qf2 38.Kf2 Nc4 39.Bd4 Kf7 40.f4 Nd2 (40...d5!? 41.Kf3–+) 41.Ke3 Nb3 42.Bb6 Ke7 (42...g6 43.h6–+) 43.Ke4 (better is 43.f5–+) 43...g6 44.hg6 hg6 45.Kd5 g5 (45...Kd7!? 46.Bf2–+) 46.fg5–/+ fg5 47.Bc7 g4 (47...Kd7 48.Bd6 Nd4 49.b6–/+) 48.Bd6 Kd7 (48...Kf6 49.Ke4–/+) 49.Bg3 (49.Bf4 Na1–/+) 49...Nc1 50.Bf4? (better is 50.Ke4–/+) 50...Ne2–+ 51.Be5 g3 52.Bg3 (52.Kc5 g2 53.Bh2 g1Q 54.Bg1 Ng1–+) 52...Ng3 53.b6 (53.Kc5 Ne4 54.Kb6 Kc8–+) 53...Nf5 (53...Ne4 54.Kd4–+) 54.Kc5 Nd6 55.Kd5 Nc4 56.Kc4 Kc6 57.Kb3 Kb6 58.Kb4 Ka6 59.Ka4 Kb6 60.Kb4 Kc6 61.Kc4 b5 62.Kb3 Kc5 63.Kc3 b4 64.Kb2 Kc4 65.Kc2 b3 66.Kb1 Kc3 67.Kc1 Kb4 68.Kb2 Ka4 69.Kb1 Ka3 70.Ka1 b2 71.Kb1 Kb3 ½–½. Goldmund,Heike – Vollmer,Steve, FICGS, 2014.

8.0–0 Re8 9.Nbd2 Nf8 10.e4 Bg4 11.Ne1 Be2 12.Qe2 Ng6 13.g3 (13.Nc2 Qd7=) 13...Qd7 14.Kg2 Qg4 15.Qg4 Ng4 16.h3 Nf6 17.Ndf3 h6 18.a3 a6 19.Bc1 Nf8 20.Be3 Ne6 21.Nc2 Rac8 22.Rac1 Red8 23.Rfd1 Kf8 24.Nh4 Nh7 25.Nf5 Bf6 26.d4 Kg8 27.de5 Be5? (27...de5 28.f4+/–) 28.f4 (better is 28.Ne7 Kf8 29.Nc8 Rc8 30.f4+–) 28...Bb2 29.Rb1 Bc3? (better is 29...Bf6+/–) 30.Ne7+– Kf8 31.Nc8 Rc8 32.Nd4 Bd4 33.Bd4 (33.Rd4?! Nd4 34.Bd4 g5+/–) 33...Ke7 34.Kf3 Nf6 35.Bf2 Rg8 36.h4 Nh5 37.c5 dc5 38.Bc5 Ke8 39.Bf2 g5 40.hg5 hg5 41.Rg1 (41.f5 g4 42.Kg2 Nd8+–) 41...g4? (better is 41...gf4!? 42.gf4 Rg1 43.Rg1 Nhf4 44.Rg8 Kd7+/–) 42.Ke2 Nf6 43.e5 Ne4 44.Rbc1 c6 45.Rgd1 Rh8 46.Rh1 Rg8 47.Rcd1?? (better is 47.Ke3 f5 48.Rh5+–) 47...Nc3+= 48.Ke3 Nd1 49.Rd1 Rh8 50.Rd6 (50.Ke4 Nc7+/–) 50...Rh1 51.Rd3 Ra1 (51...Rh2 52.Be1=) 52.Ke2 (52.Ke4!?+=) 52...Ra2= 53.Ke3 (53.Kf1!?=) 53...Nc7+= 54.Ke4?? (better is 54.Bg1 Ra1 55.Bf2=) 54...Nd5?? (better is 54...Rf2!? 55.Ke3 Ra2 56.f5–+) 55.Kf5?? (better is 55.Bd4+/–) 55...Rf2–+ 56.Kg4 Ra2 57.Kf5 Ke7 58.g4 Rh2 (58...Rf2 59.Rd4–+) 59.g5 (59.Rf3 b6–+) 59...Rh4 60.Rf3 b6 61.Ke4 Nc7 (61...Ke6!? 62.Rf2–+) 62.a4 Ne6 (62...Ne6 63.Ke3 c5–+) 0–1. Fournier,Frederic (1715) – leosaavedra (1775), Active, 2006.

8.Nbd2 a5 9.b5 c6 10.0–0 cb5 11.cb5 Rc8 12.Nc4 Ne8 13.Qd2 b6 14.d4 (14.Rac1!?=) 14...e4 15.Ne1 d5 16.Ne5 Bb4 17.Qd1 Qg5 18.f4 ef3 19.Rf3 (19.N1f3 Qe3 Combination; 19.Bf3 Qe3 Combination; 19.N5f3 Qe3 Combination; 19.Rf3 Ne5 Decoy) 19...Ne5 20.de5 Be4 21.Rg3 Qe7 22.Bd4 Bc5 23.Qb3 (23.Rc1 Nc7+=) 23...Nc7 24.Bg4 Ne6 25.Bb2 Rc7 26.Rd1 Rd8 (26...Bb4 27.Nd3–/+) 27.Kh1 Bb4 28.Bd4 (28.Be6 Qe6 29.Nd3 Be7–/+) 28...Nc5 (28...Nd4?! 29.ed4 f6 30.Bf3+=) 29.Qb2 Na4 30.Qf2 Be1 (30...Re8 31.Ra1–/+) 31.Re1+= Rc2 32.Re2 Rc1 33.Re1 Qa3 (33...Re1 34.Qe1 Nc5 35.Qc3+=) 34.e6 Rf8? (34...Re1 35.Qe1 f6 36.Bd1=) 35.Bd1 (better is 35.ef7 Rf7 36.Be6 Re1 37.Qe1+–) 35...Bg6+= (35...fe6?? 36.Rg7 Kh8 37.Rg6 e5 38.Be5 Rf6 39.Qf6) 36.ef7 (36.e4 Qb4 37.Rb3 Qc4+=) 36...Rf7= 37.Qd2 (37.Rf3 Rf3 38.Qf3 Qd6= (38...Qa2?? 39.Rf1 Rc8 40.Bc2+–)) 37...Nc3 (37...Qd3 38.Qd3 Bd3 39.e4–+) 38.Bc3 Qc3 39.Qc3 Rc3 40.Kg1 Rc1 41.Rf3 Rf3 42.gf3 Bc2 43.Bc2 Re1 (43...Rc2?! 44.Rd1 Ra2 45.Rd5+=) 44.Kf2 Rc1 45.Bb3 Rc5 46.a4 Kf8 47.Ke2 Ke7 48.Kd3 Kd6 49.Kd2 Rc7 50.Bc2 h6 51.Bb3 Re7 52.Kd3 (52.Bd1 g5–+) 52...Re5 53.Kd4 Rh5 54.e4 de4 55.fe4 Rh2 56.e5 Ke7 57.Kd5 Rb2 58.Kc6 (58.Bc4–+) 58...Rb3 59.Kb6 h5 60.Ka5 h4 61.Kb6 h3 62.a5 h2 0–1. Bartle,Georg (1720) – Stueckle,Heico (1630), Baden–ch AT1, 2007.

8.Nbd2 c5 9.a3=.

8.Nbd2 c6 9.0–0 Bg6 10.a3 b6 11.e4 c5 12.bc5 (12.Nh4 Qc7+=) 12...bc5 13.Rb1 Rb8 14.Qc2 (14.Nh4!?+=) 14...Nh5= 15.g3 f5 16.ef5 Bf5 17.Ne4 Bh3 18.Rfe1 Nhf6 19.Nfg5 Ne4 20.de4?? (better is 20.Nh3 Ng5 21.Ng5 Bg5 22.Bg4=) 20...Bg5–+ 21.Bd3 (21.Qd3 Qe7–+) 21...Qf6 22.f4 ef4 (better is 22...Bh6–+) 23.Bf6+/– Bf6 24.Rb8 Rb8 25.gf4?? (25.e5 Ne5 26.Bh7 Kh8 27.Be4+/–) 25...Bd4–+ 26.Kh1 g6?? (better is 26...Rb2 27.Qb2 Bb2–+) 27.Rb1+– Rf8 28.f5 gf5 29.ef5 Ne5 30.Rb7?? (better is 30.Re1+–) 30...Bg4?? (better is 30...Ng4 31.f6 Rf6 32.Bh7 Kh8=) 31.Be2 (better is 31.Qg2 Rf7 32.Rf7 Kf7 33.Qd5 Kg7 34.Be4+–) 31...Bf5–+ 32.Qd2 (32.Qf5 Rf5 33.h3–+) 32...Be4 33.Bf3 Bf3 34.Qg2 Bg2 35.Kg2 Rf2 (35...Rf2 36.Kg3 Rf3 37.Kg2 Ra3–+) 0–1. Fournier,Frederic – paraibano, Active, 2004.

8.Nbd2 e4 9.de4 Ne4 10.0–0 Bf6 11.Nd4 Nd2 12.Qd2 Bg6 13.f4 (13.Rfd1 Qe7=) 13...h6 (13...Be4 14.Bf3 Qe7 15.Nb5 Bb2 16.Qb2+=) 14.Rf3 (14.f5!? Bh7 15.Bf3=) 14...Re8 15.Rg3 Qe7 16.Bd3 Bd3 17.Qd3 Rad8 (17...Qe4!? 18.Qe4 Re4+=) 18.Nf5+= Qe6?? (better is 18...Qe4 19.Qb1 g6 20.Nh6 Kg7 21.Bf6 Nf6+/–) 19.Nh6?? (better is 19.Ng7 Bg7 20.Bg7+– (20.Rg7?! Kf8+/–)) 19...Kf8–/+ 20.Bf6 (20.Nf7 Qf7 21.Rb1 Bb2 22.Rb2 Kg8–+) 20...Qf6–+ 21.Rf1 White prepares f5 21...Qh6 22.Rh3 Qg6 (22...Qe6 23.Rh8 Ke7 24.Rh7–+) 23.f5 (23.Qg6 fg6 24.Kf2 Re4 25.Rh8 Ke7 26.Rd8 Kd8–+) 23...Qf6 24.Rh8 Ke7 25.Rh4?? (25.Rh7 Ne5 26.Qd4 a6–+) 25...Ne5 (better is 25...Qh4 26.Qc3 Rh8–+) 26.Re4 Kd7 27.Qd4 White prepares c5 27...Nc6 28.Qf6 gf6 29.Rh4 Nb4 (better is 29...Re3 30.c5–+) 30.c5 (30.Rh7–+) 30...dc5 (worse is 30...Na2 31.cd6 Re3 32.Ra4–+) 31.Rh7 Re7 (31...Kc6 32.Rf7 Rd6 33.Kf2–+) 32.Rh6 (32.Rd1 Kc8 33.Rd8 Kd8 34.Rh8 Kd7–+) 32...Kc8 (32...Re3 33.Rd1 Nd3 34.Rf6–+) 33.Rf6 (33.a3 Nc2 34.e4 Re4 35.Rf6 Re7–+) 33...Na2 34.h4 (34.Ra1 Nc3 35.Rh6 Rd1 36.Rd1 Nd1 37.Rh8 Kd7–+) 34...b6 (better is 34...Rh8!? 35.g4 Rh4 36.g5 Rg4 37.Kh2 Rg5 38.Rh6 Re3 39.Rh8 Kd7 40.Rf8–+) 35.h5 (35.Ra1 Rd2 36.h5 Re3–+) 35...Nc3 36.h6 (36.Rh6–+) 36...Ne4 37.Rc6 Kb7 (37...Kb7 38.Rg6 fg6 39.fg6 Re6–+) 0–1. DEFFM – GuestJNSP, freechess.org, 2017.

7.d4 ed4

8.Nd4 Bg6

9.0–0 c5 10.Nc2 =.

9.0–0 Nbd7 10.a3 Re8 +=.

9.0–0 Nbd7 10.Nc3 c5= 11.bc5 dc5 12.Nf3 Re8 13.Nd5 (13.Qb3 Qb6=) 13...Be4 (13...Nd5 14.Qd5 Qb6 15.Bg7–/+) 14.Ne7 Qe7 15.Qb3 Bc6 16.Rac1 Rab8 17.Rfe1 Ne4 18.Rcd1 Nb6 19.Nd2? (better is 19.Be5 Rbd8 20.Rd8 Rd8 21.Rd1=) 19...Ba4–+ 20.Qd3 Rbd8 21.Qe4 Qe4 22.Ne4 Bd1 23.Nc3? (better is 23.Nf6 gf6 24.Rd1 Rd1 25.Bd1 Nc4 26.Bf6–+) 23...Be2 24.Ne2 Nc4 25.Ba1 Rd2 26.Nc1 (26.Nc3 Red8–+) 26...Red8 27.Nb3 Rd1 (27...Ra2 28.Nc5 b5 29.Bd4–+) 28.Rd1 (28.Bc3 R1d3 29.Ba1–+) 28...Rd1 0–1. Hasler,Ulrich – Dobry,Jan, CiF, 1992.

9.0–0 Nbd7 10.Nc3 c5= 11.bc5 Nc5 (11...dc5 12.Nf3=) 12.Nb3 Qb6 (12...Re8 13.Qd4=) 13.Ba3 (13.Qd4!?+=) 13...Rfd8 14.Nc5 (14.Rc1 Qa6 15.Bb2 Rac8=) 14...dc5+= 15.Qb3 Qb3 16.ab3 Rd2 (16...a6 17.Bf3+=) 17.Rfd1 (17.Bf3 Rad8=) 17...Rad8 18.Kf1 Ne4 19.Nd5 Bf6 20.Rac1 (20.Nf6 gf6 21.Bb2 R8d6 22.Rd2 Rd2+=) 20...b6 (20...Bh4 21.Rd2 Nd2 22.Ke1 Nb3 23.Rc3+=) 21.f3+= Rd1 22.Rd1 Nd6 23.Nf6 gf6 24.Bb2 Kg7 25.e4 Nb7 26.Kf2 Rd1 27.Bd1 Nd6 28.Ke3 Ne8 (28...h6 29.Bc2+/–) 29.f4+– h6 30.f5 Bh7 31.g4 Kf8 32.Kf3 Ke7 (32...Kg7!?+–) 33.Bc1 h5 34.gh5 Kd6 35.Kf4 a6 36.h6 Kc6 (36...Ke7 37.Be2+–) 37.Bh5 Nd6 38.Kf3 (38.Bb2 b5 39.Bf3 Ne8+–) 38...b5 39.Bf4 (better is 39.cb5!? ab5 40.Bb2 c4+–) 39...bc4 40.bc4 a5 (40...Nc4 41.Bf7 Ne5 42.Be5 fe5 43.Bg6+–) 41.Bd6 Kd6 42.Kf4 (better is 42.Bf7 Ke5 43.Bg6+–) 42...a4+/– 43.Bd1 (43.Bf7? a3–+) 43...a3 44.Bb3 Bg8 45.Ba2 Bh7 46.Ke3 Ke5 47.Bb1 Bg8 48.Kd3 Bh7 49.Kc3 Bg8 50.Kb3 Kd4 51.Ka3 Kc4 52.Ba2 Kd3 53.Bf7! c4?? (53...Bf7 Deflection from h7 54.h7) 54.Bg8 (54.Bg8 Ke4 55.h7+–) 1–0. Labahn,Thomas – Peske,K, Verbandsklasse, 1989.

9.0–0 Nbd7 10.f4 h6 +=.

9.b5 Nbd7 10.0–0 Re8 =.

9.b5 Nbd7 10.Nc3 Nc5 (10...Ne5 11.0–0=) 11.Nb3 (11.0–0 a6=) 11...Ncd7 (11...Nfe4 12.Nc5 Nc5 13.0–0=) 12.Bf3 (12.0–0 Re8=) 12...Ne5 13.Be2 Re8 (13...a6 14.f4 Ned7 15.0–0+=) 14.0–0 (14.f4 Ned7=) 14...c6 (14...Qd7 15.f4 Neg4 16.e4–+) 15.f4 Ned7 16.f5 Qb6 17.Bc1 (17.c5 dc5 18.fg6 hg6 19.bc6 Qc6+–) 17...Ne5 (17...Bf5 18.Rf5 Ne5 19.Qd4+–) 18.fg6 Ng6 19.Kh1 (19.bc6 bc6 20.Rb1 Ne5+–) 19...Rad8 20.Qd4 c5 (20...d5 21.c5 Qc7 22.Bb2+–) 21.Qd1 Qc7 22.Nd5 (22.Bb2 d5 23.cd5 Qe5+–) 22...Nd5 23.cd5 (23.Qd5 Bf6 24.Rb1 Ne7+–) 23...Bf6 24.Rb1 Bg5 (24...Qe7 25.Bd3+–) 25.e4 (25.Qd3 Rc8 26.Qc3 Bf6 27.Rf6 gf6+–) 25...Bc1 26.Rc1 (26.Qc1 Re4 27.Bd3 Re5+–) 26...Re4 27.Bd3 Re7 28.Bg6 hg6 29.Qd2 (29.Qf3 Rde8+–) 29...Qd7 (29...Qb6 30.Qd3 a6+–) 30.Rce1 (30.Qd3 Rde8 31.Kg1 Re3+/–) 30...Re1 (30...Qb5 31.Kg1 Re1 32.Re1+=) 31.Re1 Qb5 32.Qe2 (32.Qf4 Qd3 33.Qg5 Rc8+/–) 32...Qe2+= 33.Re2 Kf8 (33...c4 34.Na5 b5 35.Re7+=) 34.Kg1 (34.Na5 Rd7+=) 34...Re8 35.Kf2 Re2 (35...b5 36.Na5+=) 36.Ke2 b5 37.Na5 Ke8 (37...c4 38.Nc6 a6 39.Nb8+=) 38.Kd3 (38.Nc6 a6+=) 38...Kd7 39.Kc3 (39.Nc6 b4+/–) 39...f5 (39...b4 40.Kc4+=) 40.Nb3 (40.Nc6 a6+=) 40...Ke7 41.Na5 (41.a3 Kf6=) 41...Kf6 (41...Kd7 42.Nc6+/–) 42.Nc6+= a6 43.a3 (43.h4 g5 44.h5 f4=) 43...g5= 44.Kd3 (44.Nb8 Ke5+=) 44...g4 45.g3 (45.Ke2!?=) 45...g5+= Black gets strong initiative 46.Ke3 a5 Black prepares the advance b4 47.Kd3 f4 48.Ke4 (48.Ke2!?–/+) 48...f3–+ 49.Ke3 (better is 49.Kd3–+) 49...b4 50.ab4 ab4 51.Na5 (51.Nb8 Ke5 52.Nd7 Kd5 53.Nf6 Kc4 54.Ng4 b3–+) 51...Ke5 52.Nc4 Kd5 Black begins to deal mighty blows 53.Kd3 f2 54.Ne3 Kc6 55.Ke2 b3 56.Nd1 f1Q 57.Kf1 Kd5 (57...c4 58.Nc3–/+) 58.Ke2–/+ Kd4 59.Kd2 c4 60.Nc3 (60.Nf2 c3 61.Kc1 d5–+) 60...d5–+ (60...d5 61.Na4 Ke5–/+) 0–1. Krafzik,Joachim – Molez,Karl, Bad Woerishofen op Sen, 2003.

6.Be2 h6

7.0–0 Nbd7 8.a4 a6 9.Nc3 b6 10.d4 Bb7 11.Qc2 c5 12.bc5 bc5 13.de5 Ne5 14.Ne5 de5 15.e4 Qc7 16.Nd5 Nd5 17.cd5 Qd7 (better is 17...Rab8!?+=) 18.Be5+– f6 19.Bf4 (19.Bg3 Kh8+–) 19...Bd6 (19...f5 20.e5 g5 21.Be3+–) 20.Bg4!+– Qc7 (20...Qg4 21.Bd6 Deflection) 21.Be6 Kh8 22.Bd6 Qd6 23.Rfc1 Bc8 (23...Qe5 24.Qc5 Qe4 25.Rc4+–) 24.Qc5 Qc5 25.Rc5 Be6 26.de6 Rfe8 27.Rc6 Kh7 28.f4 Kg6 29.Ra3 Re7 30.Kf2 a5 31.Rd3 f5 (31...Rb7 32.Rc4+–) 32.Rg3 Kh7 33.ef5 h5 (33...Rb7 34.Rgc3+–) 34.Rgc3 Kh6 35.Rc7 Ra7 (35...Rc7 36.Rc7 Re8 37.Rc6+–) 36.Re7 Re7 37.Rc8 (37.Rc8 Kh7 38.Rd8+–) 1–0. marekt – brawn, ChessWorld.net, 2015.

7.0–0 e4 8.Nd4 c5 9.Nc2 Qb6 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Be6 14.d4 d5 15.dc5+= Qc5 16.Bd4 Qc8 17.cd5 Bd5 18.Qd2 Nbd7 19.Rc1 Qa8 20.Nc3 b6 0–1. algernon (2265) – pillsbury (2120), net–chess.com, 2010.

7.0–0 Bg4 8.d4 'White threatens to win material: d4xe5' 8...e4 'Black threatens to win material: e4xf3' 9.Nfd2 Be2 10.Qe2 d5 11.b5 'White gains space' 11...c6 12.a4 a6 13.Nc3 Nbd7 14.bc6 bc6 15.Ba3 Rb8 (15...Ba3!? must definitely be considered 16.Ra3 Qa5=) 16.cd5 '+/–' 16...cd5 17.Qa6 Ba3 18.Ra3 'White has a new passed pawn: a4' 18...Rb2 (18...Qe7 19.Rfa1+=) 19.Ra2 '+/–' 19...Qb8 (19...Rb6 20.Qa5 Nb8 21.Raa1+/–) 20.Rb1 Rb1 21.Ndb1 Rc8 22.Qb5 Qd6 23.Rb2 (23.a5 Ra8+–) 23...Rb8 24.Qe2 Rc8 25.Rb3 (25.a5 Rc4+/–) 25...h5 (25...Nb6 26.Nd2+/–) 26.Na3 (26.h3 g5+/–) 26...Ng4 27.g3 Ndf6 28.Nab5 Qb8 29.Rb1 (better is 29.a5 Rc6 30.Ra3+/–) 29...h4 '?' (29...Rc6 30.Qd2+/–) 30.Kg2 (better is 30.Nd5!? Nd5 31.Qg4 hg3 32.hg3 Nf6+–) 30...hg3 31.hg3 (better is 31.fg3 Nh6 32.h3+/–) 31...g5 '??' 'another step towards the grave. ' (better is 31...Qa8+/–) 32.Nd5 '+–!' 'Deflection: g4' 32...Nd5 (32...Kg7 cannot change what is in store for ? 33.Nbc3 Qd6 34.Rb5+–) 33.Qg4 Ne3 (33...Ne7 cannot undo what has already been done 34.Qg5 Ng6 35.Qf5+–) 34.fe3 Rc2 35.Kh3 f6 (35...Qd8 the only chance to get some counterplay 36.Qe4 Rf2+–) 36.Qe6 Kg7 37.Qe7 (37.Nd6 Qh8 (37...Qa8 38.Qf7 Kh8 39.Kg4 Rh2 40.Nf5 Qg8 41.Rb8 Rh4 42.gh4 Qc8 43.Rc8) 38.Kg4 Rc7 39.Ne8 Kg6 40.Qe4 Kf7 41.Rb8 f5 42.Qf5 Ke7 43.Qe4 Kd7 44.Qd5 Ke7 45.Qd6 Kf7 46.Qc7 Ke6 47.Rb6 Kd5 48.Qc6) 37...Kg8 '+–' 38.Qe6 'Twofold repetition' 38...Kg7 39.Kg4 Rf2 (39...Qc8 doesn't get the bull off the ice 40.Qc8 Rc8 41.Kf5+–) 40.Nc3 f5 (40...Qc7 is no salvation 41.Nd5 Qf7 42.Qf7 Kf7 43.Rb6+–) 41.Qf5 Qg3 1–0. Buczinski,Henryk (2200) – Klimczok,K (2000), DMSL–Klasa A Poland, 1994.

7.Qc2 Nbd7 8.d3= b6 9.Nbd2 Bb7 10.e4 a5 11.a3 ab4 12.ab4 Ra1 13.Ba1 Qa8 (13...Nh5 14.0–0=) 14.0–0 c5 15.b5 Nh7 16.Bb2 Qb8 17.Ra1 Ng5 18.Ne1 Nf6 19.Nf1 Qc7 20.Ng3 Ra8 21.Qc1 Ra1 22.Qa1 Ne6 23.Nf5 Bf8 24.Qa7 g6 25.Ne3 Nd4 26.Bf1 Qc8 (26...Bg7 27.N1c2=) 27.h3 (27.Qb6 Qb8 28.Qa5 Nd7+/–) 27...Qa8 (better is 27...Qc7!?=) 28.Qb6+/– Bc8 29.Nd5 Nd5 30.ed5 Qa2 31.Bd4 ed4 32.Nf3 Qc2?? (better is 32...Qa8+–) 33.Qc6 Bf5 34.b6 Bd3 35.b7 Bf1 36.b8Q Qd1 (36...Bd3 37.Kh2 Qb2 38.Qb2 Bc2 39.Qb8 Ba4 40.Qcd6 Kg7 41.Qdf8 Kh7 42.Qf7) 37.Qf8 (37.Qce8 Bc4 38.Kh2 Qg1 39.Kg1 Kg7 40.Qf8 Kf6 41.Qbd6 Kf5 42.Qe5) 37...Kf8+= 38.Qd6 Kg7 39.Qe5 (39.Qc5!? Be2 40.Kh2 Bf3 41.d6+/– (41.gf3?! Qd2 42.Kg2 Qg5 43.Kf1 Qc1 44.Kg2 Qg5 45.Kf1 Qc1 46.Kg2 Qg5=)) 39...Kh7+= 40.Qe1?? (40.d6 Bc4 41.Kh2+–) 40...Qe1–+ 41.Ne1 Bc4 (41...Bc4 42.d6 Bb5–+) 0–1. GuestMGRF – woepsmachine, freechess.org, 2017.

7.Qc2 e4!? 8.Ng1 Nc6+=.

7.d3 e4 8.Nd4 ed3 9.Bd3 Ng4 10.h3 (better is 10.–0+=) 10...Nf2? (better is 10...Ne5=) 11.Kf2+– f5 (11...Bf6 12.Qb3+–) 12.Qf3 Qe8 13.Qd5 (13.Bf5?! c5 14.Qd5 Qf7+/–; 13.Nf5?! Bf5 14.Bf5 g6+/–) 13...Kh8 14.Rf1 f4 (14...a5 15.a3+–) 15.Kg1 (better is 15.Qe4 Bh4 16.Kg1 Qe4 17.Be4+–) 15...c6?? (better is 15...Bf6 16.Be4 fe3+–) 16.Qe4 fe3 (16...g6 17.Nc6 Bf6 18.Bf6 Kh7 19.Qe8 Re8+–) 17.Qh7 1–0. GuestMMFQ – GuestAFGO, freechess.org, 2017.

7.d3 Be6 8.Nbd2 Nbd7 9.Qc2 c6 10.a4 b6 11.0–0 d5 12.Ne5 (12.b5 cb5 13.ab5 Qc7+=) 12...Ne5= 13.Be5 Bb4 14.Rab1 Bd6 15.Bb2 Ng4 16.h3 Nf6 17.cd5 Bd5?? (better is 17...cd5 18.Bd4 Rc8=) 18.e4+– Be6 19.d4 1–0. GuestJTHK – GuestBBRJ, freechess.org, 2017.

7.d3 Bg4 8.0–0 Bf3 9.Bf3 c6 10.a3 Nbd7 11.Nd2 Nh7 12.Be2 Ndf6 13.Nf3 Qc7 14.e4 g5 (14...a5 15.Qc2+=) 15.h3 Nh5 (15...Rfe8!?+/–) 16.Ng5!+– hg5 (16...Bg5 17.Bh5 Discovered attack; 16...hg5 17.Bh5 Discovered attack; 16...Ng5 17.Bh5 Discovered attack) 17.Bh5 f5 18.Bg6 f4 19.Bh7 (19.Qh5!? Bf6+–) 19...Kh7 20.Qh5 Kg7 21.Qg4 Rh8 22.g3 (better is 22.d4!?+–) 22...Qc8+/– 23.gf4 (23.Qc8!? Rac8 24.gf4 gf4 25.Kg2+/–) 23...Qg4+= 24.hg4 gf4 (24...Rh4 25.f3 Rah8 26.Be5 de5 27.fe5+=) 25.f3 Rh3 26.Kg2 Rah8 27.Rh1 Rh1 (27...Rg3!? 28.Kf2 Rgh3 29.Rh3 Rh3+=) 28.Rh1+/– Rh1 29.Kh1 Bh4 30.Kh2 Bg3 31.Kh3 Kg6 32.c5 dc5 33.Be5 c4? (better is 33...cb4 34.ab4 Be1+–) 34.dc4 1–0. Fournier,Frederic – CharlieVLC, Active, 2008.

7.d3 Nh7 8.Nbd2 a6 9.a3 Nc6 10.0–0 f5 11.h3 Ng5 12.Ng5 Bg5 13.Nf3 f4 14.ef4 (14.e4!?+=) 14...Bf4= 15.Bc1 Qf6 16.Bf4 Qf4 17.Qd2 (17.Qc1 Qf6+=) 17...Qd2 (17...Nd4!? 18.Ra2 Ne2 (18...Nf3?! 19.Bf3 c6 20.Qf4 Rf4 21.Be4=) 19.Qe2 Bh3–/+) 18.Nd2+= Nd4 19.Bg4 Bg4 20.hg4 Rf4 21.f3 Raf8 22.Ne4 White intends c5 22...Ne2 (22...Kf7 23.Kf2–/+) 23.Kh2 (23.Kf2 Nd4 24.Kg1 Kh7–/+) 23...Nd4 24.Rad1 (24.Kg1 Kh7–/+) 24...R4f7 25.c5 d5 26.Nc3 c6 27.a4 Re7 28.Rfe1 Nc2 29.Re2 White prepares b5 29...Nd4 (29...Nb4!? 30.a5 d4–/+) 30.Ree1+= Kh7 31.Rb1 White plans b5 31...Rfe8 32.b5 ab5 33.ab5 Nc2 34.Rec1 Nd4 35.bc6 (35.Re1!?=) 35...bc6+= 36.Rb6 Rc7 37.Rcb1 (37.Re1 Re6+=) 37...Rec8 (better is 37...Ra8!?–/+) 38.Na4 (38.Re1!? Re7 39.Kg3=) 38...Ne6 0–1. Fournier,Frederic – hgt (1790), Active, 2007.

7.0–0 a6

8.a3 b5 9.cb5+/– ab5 10.Bb5 c6 11.Be2 c5 12.bc5 dc5 (12...e4 13.cd6 Bd6 14.Nd4+–) 13.Nc3 (13.Ne5 Be6+–) 13...Nc6 (13...Nbd7 14.Qc2+/–) 14.Qc2 (14.Bb5!? Qc7 15.Bc6 Qc6 16.Ne5 Qe6+–) 14...Bg4 15.Rfd1 Bf3 (15...Qd7!?+/–) 16.Bf3+– (worse is 16.gf3 Qd7+/–) 16...Nd4? (better is 16...Ra6+–) 17.ed4 cd4 18.Ba8 Qa8 (18...dc3 19.Bc3 Qa8 20.Be5+–) 19.Ne2 Rd8 Black prepares the advance e4 20.Ng3 d3 21.Qc3 e4 22.Qe5 Qb7 23.Rab1 Bd6 (23...Rd5 24.Bd4 Re5 25.Rb7+– (25.Be5?! Qa7 26.Bf6 Bf6=)) 24.Qd4 (better is 24.Qf5 Qe7 25.Bf6 Qf6 26.Qf6 gf6 27.Ne4 Ba3 28.Nf6 Kg7 29.Nh5 Kf8 30.Rb7+–) 24...Bg3 (24...Qc7 25.Qe3 Bf4+–) 25.Qd8 (25.fg3?! Rd4 26.Bd4 Qe7=) 25...Kh7 26.hg3 Ng4 27.Bg7! Kg7 28.Rb7 1–0. Fournier,Frederic (1805) – jaimenicolas (1750), Active, 2005.

8.a3 e4!? 9.Nd4 c5=.

8.a3 Be6 9.d4 e4 10.Nfd2 c6 11.Nc3 Bf5 (11...d5 12.Rc1=) 12.f3+= d5 (12...ef3!? 13.Bf3 d5+=) 13.fe4+/– Be4 14.Nde4 (14.cd5 Bd5 15.e4 Be6+/–) 14...Ne4 15.Ne4 de4 16.d5 (16.Qd2 Nd7+/–) 16...cd5 17.cd5 (17.Qb3+/–) 17...Bd6 (better is 17...Nd7!?+/–) 18.Qd4+– Qg5?? (better is 18...f6 19.Qe4 Re8+–) 19.Rf5 Qg6 20.Bh5 Qh7 21.Raf1 g6 (21...Nd7 22.Bf7 Rf7 23.Rf7 Ne5+–) 22.Bg6! fg6 (22...fg6 23.Rf8 Combination; 22...Qg6 23.Qh8 Mate attack) 23.Rf8 Bf8 24.Qe5 Nd7 (24...Qg7 25.Qe6 Kh7 26.Rf7 a5 27.Qf6 Nc6 28.Rg7 Kh8 29.Qg6 Bg7 30.Qg7) 25.Qe6 1–0. wiking – afonso092, internet, 2009.

7.0–0 b6

8.Nc3 Bb7 9.Qc2 (9.d4 a6+=) 9...Nbd7 (9...e4 10.Ne1=) 10.d4+= Re8 11.de5 Ne5 12.Ne5 de5 13.Rad1 (13.Rfd1 Qc8+=) 13...Qc8= 14.a3 a5 (14...Qe6 15.e4=) 15.b5+= Qe6 16.Rd2 Rad8 17.Rfd1 Rd2 18.Rd2 Rd8 (18...c6 19.bc6 Qc6 20.Nd5 Nd5 21.Rd5=) 19.Rd8 Bd8 20.h3 (20.c5 bc5 21.Na4 Qd5=) 20...Qd6 21.Bd3 Nd7 (21...c6 22.Ne4 Qc7 23.Qa4=) 22.Ne4 Qe7 23.Ng3 Nc5 24.Bf5 Qd6 (24...c6 25.Ne4=) 25.Ne4+= Ne4 26.Be4 Bc8 27.Qd3 Be7 28.Kf1 (28.Bd5 Be6+=) 28...Be6 (28...Qd3 29.Bd3 Bd6 30.Be4+=) 29.Qd6 Bd6 30.Bd5 Bd5 31.cd5 f5 (31...e4 32.g4+=) 32.Ke2 (32.e4 g6+=) 32...Kf7 (32...e4 33.g4 g6 34.f3+=) 33.f3 (33.e4 g6+/–) 33...e4 34.f4 (34.g4 g6+=) 34...g6 35.a4 g5 36.g3 h5 Black prepares the advance g4 37.Be5 (37.fg5 Bg3 38.Bf6 h4=) 37...g4= 38.h4 Ke7 39.Kf2 Kd7 40.Ke2 Bb4 41.Kf2 Bd6 42.Ke2 ½–½. Murrell,Malcolm R (1665) – Lojanica,Milenko (1915), Doeberl Cup Major, 2004.

8.Nc3 e4 9.Ne1 =.

8.d3 Bb7 9.Nc3 Nc6 (9...a6 10.d4+=) 10.b5 Nb4? ( 10...Nb8+=) 11.e4+– c6 12.a3 cb5 13.ab4 bc4 14.b5 cd3 15.Qd3 Ng4 (15...Qc8 16.Nh4 Kh8 17.Bf3+–) 16.Nd2 f5 (16...Nf6 17.Rfd1+–) 17.ef5 d5 (17...Nf6+–) 18.Bg4 e4 19.Qh3 Bf6 20.Rfd1 Rc8 (20...Qc7 21.Ra4+–) 21.Nde4! de4 22.Rd8 Rfd8 23.Ra7 Bc3 (23...Rd7 24.Be2 Kh8 25.Qg3+–) 24.Bc3 (24.Rb7 Bf6 25.Be2 Bb2 26.Qb3 Kh7 27.Qb2 Rg8+–) 24...Rc3 (24...Rd3 25.Qh5 Rdc3 26.Rb7 R8c7 27.Qe8 Kh7 28.Rc7 Rc7+–) 25.Qc3 (25…Rc8 26.Qa1+–) 1–0. Trkn – tompawa, ICC, 2004.

8.d3 Bb7 9.Nc3 Nbd7 10.e4 c6 11.d4 ed4 12.Qd4 c5 13.bc5 dc5 14.Qe3 Nh7 (14...Re8!? 15.Nd2 a6+=) 15.Rfd1 Qc8 16.e5 Ng5? (16...Qc6 17.Nd5 Rae8 18.Bd3+–) 17.Nd5 (17.Ng5!? Bg5 18.f4 Bd8+–) 17...Nf3 18.Bf3 (18.gf3?! Re8+/–) 18...Bd5 19.Bd5 (worse is 19.Rd5 Qc7+–) 19...Rb8 20.e6 Nf6 21.ef7 Kh8 (21...Rf7 22.Bf7 Kf7+–) 22.Qe7 Nd5 23.Rd5 (worse is 23.cd5 Rb7 24.Qe6 Kh7+–) 23...Rb7 (23...Qg4+–) 24.Rd6 Kh7 (24...Rf7 25.Rd8 Kh7 26.Qf7 Rf7 27.Rc8 Re7+–) 25.Qe4 1–0. marekt – alumpov, Yahoo, 2005.

7.0–0 c5

8.b5 a6 9.Nc3 ab5 A) 10.cb5 Bf5 (10...Be6 11.Qc2 Nbd7 12.d4 cd4 13.ed4 Qb6 14.Rfd1=; 10...Nbd7 11.e4 Nb6 12.Qc2 Bg4 13.a4 Ra5 14.d3=; 10...Qb6 11.Qc2 Nbd7 12.d4 ed4 13.ed4 cd4 14.Nb1=) 11.d3= Nbd7 12.e4 Be6 13.Qc2 Qc7 14.Rfe1+=; B) 10.Nb5 Bd7 (10...Bf5 11.d4 cd4 12.ed4 e4 13.Nd2 d5 14.c5=; 10...Be6 11.d3 Nc6 12.Re1 Na7 13.a4 Nb5 14.ab5=; 10...Re8 11.d4 cd4 12.ed4 e4 13.Nd2 Bf5 14.Qb3=) 11.d4 cd4 12.ed4 e4 13.Nd2 Bb5 14.cb5=.

8.b5 a6 9.Nc3 Re8 10.a4 (10.d4 e4 (10...ab5 11.de5 de5 12.cb5 Bd6 13.Nd2 Nbd7 14.Nc4=; 10...cd4 11.ed4 e4 12.Nd2 ab5 13.Qb3 Bf8 14.Nb5+=; 10...ed4 11.ed4 ab5 12.Nb5 Na6 13.Re1 Bf5 14.Bd3=) 11.Nd2 ab5 12.cb5 d5 13.dc5 Bc5 14.Nb3=; 10.ba6 Na6 (10...ba6 11.d4 cd4 12.ed4 Nc6 13.d5 Na5 14.Qd3=; 10...Ra6 11.d4 ed4 12.ed4 Nc6 13.Re1 Qb6 14.Nb5=; 10...b6 11.d4 cd4 12.ed4 Nc6 13.Nd5 Ba6 14.Re1+=) 11.d4 ed4 12.ed4 Bf5 13.Bd3 Bd3 14.Qd3=; 10.Qa4 Be6 (10...Bg4 11.d3 Nbd7 12.Rfb1 a5 13.Qc2 Qc7 14.h3=; 10...Bf5 11.d3 Nbd7 12.ba6 ba6 13.Nd2 Nb6 14.Qc2=; 10...Nbd7 11.d3 Nb6 12.Qc2 ab5 13.Nb5 Na4 14.Bc1=) 11.d3 Nbd7 12.Rfb1 Nb6 13.Qc2 ab5 14.Nb5=) 10...Bd7 (10...Be6 11.d4 (11.d3= Nbd7 12.Nd2 ab5 13.ab5 Ra1 14.Qa1=) 11...cd4 12.ed4 Nbd7 13.Re1 Rc8 14.Nd5=; 10...b6 11.d4 ed4 12.ed4 ab5 13.ab5 Ra1 14.Ba1+=; 10...Bf5 11.d3 ab5 12.ab5 Ra1 13.Qa1 Nbd7 14.Nd2+=) 11.Qc2 (11.d4 ed4 12.ed4 ab5 13.ab5 Ra1 14.Qa1+=) 11...Be6 (11...Bg4 12.d4 ed4 13.ed4 Nbd7 14.d5+=) 12.e4 (12.d4 cd4 13.ed4 Nbd7 14.h3=) 12...Nbd7 (12...b6 13.Rfb1 Nbd7 14.Nd5=) 13.Nd5 (13.Rfb1 Bg4 14.Qd3=) 13...Nf8 (13...Nd5 14.cd5=) 14.ba6 (14.Rfb1+=) 14...ba6 15.Bc3 Ng6 16.Rfb1 Nd5 17.cd5 Bg4 18.g3 (18.d3 Nf4=) 18...Qd7 19.Rb6 Exerts pressure on the isolated pawn 19...Bd8 20.Rb2 Bc7 21.Rab1 Reb8 22.a5 Rb2 23.Rb2 (worse is 23.Qb2 Qa4 24.d3 Ba5 25.Ba5 Qa5–/+) 23...Bh3 24.Rb1 Nf4 25.Bd1 Ng6 26.d3 Qd8 27.Qa2 Rb8 28.Rb8 Qb8 29.Nd2 Qd8 30.Nc4 Qg5 31.Qb3 Bg4 (31...Bc8 32.Bd2 Qe7 33.Bh5=) 32.Bd2 (32.Bg4 Qg4 33.Ne3 Qc8+=) 32...Qh5 33.Bg4 Qg4 34.Ne3 Qc8 35.Kg2 Qb8 (35...Ne7 36.Qc3+=) 36.Qc4 Qb7 37.Qa4 Qb2?? (better is 37...Kf8+/–) 38.Qe8+– Kh7 39.Nf5 Qd2 (39...Bd8 40.Qf7 Bf6 41.Bh6 Qe2+–) 40.Qf7 Nf4 (40...Nh4 41.gh4 Qf2 42.Kf2 Ba5 43.Qg7) 41.gf4 Qf4 (41...Qf2 42.Kf2 Ba5 43.Qg7) 42.Qg7 1–0. Janek – Vesely, internet, 2016.

7.0–0 Be6

8.a3 a5 9.Nc3=.

8.a3 Nbd7 9.d4 ed4 10.Nd4 Rc8 11.Ne6 fe6 12.Bf3 Kh8 13.g3 c6= 14.Bg2 Qc7 15.Nc3 d5 16.cd5 ed5 17.Rc1 a6 18.Nd5! Nd5 19.Bd5 Bf6 20.Bf6 Nf6 21.Bg2 Qe5 22.Rc5 Qb2 23.Qd3 Rcd8 24.Qc3 Rd2 25.Qb2 Rb2 26.Rc3 Rd8 27.a4 Rdd2 28.b5 ab5–+ 29.ab5 Rb5 30.Rfc1 Rbb2–/+ 31.Rf1 Ng4–+ 32.h3 Nf2 33.Ra1 Rd1 34.Rd1=+ Nd1 35.Rd3 Rb1?? 36.Kh2 Kg8 37.g4 Nf2 38.Rd2= Nd1 39.Be4 Rb2 40.Rb2 Nb2 41.Kg3 Kf7 42.Kf4 Kf6 43.Bh7 g5 44.Ke4 Na4 45.Kd4 Ke6 46.Bf5 Kd6 47.e4 c5 48.Kc4 Kc6 49.e5 b5 50.Kb3 Nb6 51.Kc3 Nd5 52.Kd2 Ne7 53.Be4 Kb6 54.Kc3 Ka5 55.Kb3=+ Kb6 56.Kc3–+ Kc7 57.Kd3? Kd7 58.Bf5?? Nf5 59.gf5 h5 60.e6 Ke7 61.Ke4 g4 62.hg4= hg4 63.Ke5 g3 64.f6 Ke8 65.Kd6 g2 66.f7 Kf8 67.e7 Kf7 68.Kd7 g1Q 69.e8Q Kf6 70.Qe7 Kf5 71.Qe6 Kf4 72.Qf6 Ke4–+ 73.Qh4? Kd5 74.Qh5 Kc4 75.Qg4?? Qd4 76.Qd4 cd4 77.Kd8 d3 78.Ke8 d2 79.Kf8 d1Q 80.Kf7 Qe2 81.Kf6 b4 82.Kf7 b3 83.Kf6 b2 84.Kf5 –+. Slavisa666 – draskod, Live Game Caissa's Web, 2004.

8.a3 Nh7 9.Nc3+= f5 10.Rc1 (10.d4 e4 11.Nd2 Ng5+=) 10...Ng5 11.Ng5 hg5 (11...Bg5 12.f4 Bf6 13.Nd5+=) 12.f3 (12.d4 a5+/–) 12...f4 13.ef4 gf4 14.d4 c5 15.de5 (15.d5 cb4 16.de6 bc3 17.Bc3 Na6=) 15...de5= 16.Qd8 Rd8 (worse is 16...Bd8 17.bc5 Be7 18.Nb5 Bc5 19.Kh1+=) 17.b5 Rd2 18.Ba1 Nd7 19.Rfd1 Rd1 20.Rd1 Nb6 21.Ne4 Nc4 22.Bc4 Bc4 23.Rd7 (23.a4 Bf6 24.Nc5 b6=) 23...Bf6+= 24.Nd6? (better is 24.a4!?+=) 24...Be6–+ 25.Rb7 Rd8 26.Be5?? (26.b6 a6 27.Ra7 Rd6 28.b7=) 26...Be5 27.Ne4 (27.Ra7 Rd6 28.h4–+) 27...Rd1 28.Kf2 Bc4 29.g3 (29.Nf6 Bf6 30.Rb8 Kh7 31.Rh8 Kh8 32.g4 Bd4 33.Kg2 Bf1 34.Kh1 Bh3) 29...Bd4 30.Kg2 Bf1 0–1. Krc,Milan (1900) – Balkova,Anna (2010), Brno Trade op, 2006.

8.a4 Nbd7 9.d3 b6 10.h3 c6 11.d4 ed4 12.Nd4 c5 13.Nc6 Qe8 14.b5 Nb8 15.Ne7 Qe7 16.Bf3 Bc4 17.Ba8 Bf1 18.Kf1 Nbd7 19.Bf3 Ne5 20.Be5 Qe5 21.Nd2 Re8?! 22.Nc4 Qc3? 23.Rc1 Qb4 24.Qc2 d5 25.Nb2 c4 26.Rd1 Rd8 27.Nc4 Rc8 28.Bd5 Nd5 29.Rd5 Qc4 30.Qc4 Rc4 31.Rd4 Rc1 32.Ke2 Kf8 33.Rd7 Rc2 34.Kf3 Rc4 35.Ra7 Ke8 36.a5 ba5 37.Ra5 Rb4 38.g4 Ke7 39.Ra7 Ke8 40.Rb7 Rb2 41.Kg3 Kf8 42.b6 Ke8 43.f4 Kf8 44.h4 g6 45.Rb8 Ke7 46.b7 Kd7 47.h5 Rb3 48.Kf3 Kc6 49.hg6 fg6 50.Rg8 Rb7 51.Rg6 (51…Kd5 52.e4 Kc5 53.Rh6 Rb3 54.Kf2+–) 1–0. hal1958 – Holodoc, playchess.de, 2003.

8.b5 a6 9.a4 ab5 (9...Nbd7 10.d3=) 10.ab5 Ra1 11.Ba1 b6 (11...Nbd7 12.d3=) 12.Nc3 Nbd7 (12...c5 13.d3=) 13.Qc2 Nc5 (13...Re8 14.d4+=) 14.d4 ed4 (14...Ncd7 15.Bb2+=) 15.ed4+/– Nb7 16.d5 Bg4 (16...Bd7 17.Re1+/–) 17.Bb2 (17.Nd4 Bd7+/–) 17...Qd7 (17...Re8 18.Nd4+/–) 18.Ra1 (18.Nd4 Re8+/–) 18...Bf5 19.Qd1 Na5 (19...Nc5 20.Nd4+=) 20.Nd4+/– Rc8 (20...Re8 21.Nf5 Qf5 22.Ra4+/–) 21.Nc6 (21.Nf5 Qf5 22.Qd3 Qd3 23.Bd3 Nd7+/–) 21...Nc6 22.bc6 Qd8 23.Ra7 Ra8 24.Qa1 (24.Ra8 Qa8 25.Bd3 Qc8+/–) 24...Ra7+= 25.Qa7 Bc8 (25...Ne8 26.Nb5+=) 26.Nb5+/– Ne8 27.h3 (27.Qb8 Bf5 28.Qd8 Bd8+/–) 27...Bg5 (27...Bf5 28.Qb7+=) 28.Bf1 (28.Qb8 Bf5 29.Qd8 Bd8+/–) 28...f5 (28...Bf5!?+=) 29.Bd4 Be7 30.Be2 Bg5 (better is 30...Kh7!?+/–) 31.Bh5+– Qe7 (31...Bf6 32.Be8 Bd4 33.Nd4+–) 32.Kh2 (32.Qb8 Qe1 33.Kh2 Bf4 34.g3 Bg3 35.fg3 Qd2 36.Kh1 f4 37.Qc8 Qe1 38.Kg2 Qg3 39.Kf1 Qd3 40.Ke1 Qb1 41.Kd2 Qa2 42.Kc3 Qa1 43.Kc2 Qe1 44.Be8 Qe4 45.Kb2 Qe2 46.Ka3 Qf3 47.Kb4 Qb3 48.Kb3 Kh7 49.Qc7 f3 50.Qg7) 32...g6? (32...Bf6 33.Qb8 Be5 34.Be5 Qe5 35.g3 f4 36.Qc8 fg3 37.Kg2 Qe4 38.Bf3 Qe1 39.Kg3 Kh7+–) 33.Bg6 Bf4 34.g3 Bg3 35.Kg3 (35.fg3 Qe2 36.Kg1 Qe1 37.Kg2 Qe4 38.Kf1 Qd3 39.Kf2 Qc2 40.Ke3 f4 41.Kf4 Qg6+/–) 35...Qg5 36.Kh2 (36.Kf3 Qg6 37.Qb8 Ba6 38.Nc7 Bc4 39.Qe8 Qe8 40.Ne8 Bd5 41.Kf4 Bc6 42.Nd6 b5+–) 36...Qf4 37.Kg2 Qg5 38.Kf3 Qg6 39.Qa3?? (better is 39.Qb8 Qh5 40.Ke3 f4 41.Kd2+– (41.Kf4 Bh3 42.Ke3 Bf1 43.Nc7 Qg5 44.Kf3 Qf5 45.Kg3 Qg5 46.Kf3 Qf5 47.Kg3 Qg5 48.Kf3=)) 39...Qh5+= 1–0. Holz auf der Heide,Gerhard – Roth,Bernd, Leipzig VfB op 3rd, 1996.

8.Nc3 a5 9.b5 Nbd7 =.

8.Nc3 c6 9.a3 Nbd7 10.e4 Nh7 11.d4 ed4 12.Nd4 c5 13.Ne6 fe6 14.Nb5 Nb6 15.Bg4 e5 16.Nc3 Kh8 17.Qb3 black timed out 1–0. algernon (2330) – stejam (2335), net–chess.com, 2014.

8.Nc3 c6 9.d4 e4 10.Nd2 Qc7 (10...d5!? 11.a3 a5=) 11.Nde4+/– Ne4 12.Ne4 d5 13.cd5 (13.Nc5 Nd7+/–) 13...cd5 (13...Bd5 14.Ng3+/–) 14.Rc1 (14.Nc5 b6 15.Ne6 fe6+/–) 14...Qd7 (14...Qb6!? 15.Nc5 Qb4+/–) 15.Nc5+– Bc5 (15...Qd6 16.Bd3+–) 16.dc5 (16.bc5?! Re8+/–) 16...Nc6 17.b5 Ne7 (17...Na5 18.Qd4 f6 19.Rfd1+–) 18.Qc2 (18.Qd4 f6+–) 18...Rfc8 19.Rfd1 (19.Qd2 a6 20.ba6 ba6+–) 19...Bf5 (19...Bg4 20.Qc3 f6 21.Bg4 Qg4 22.Ba3+–) 20.e4! Be4? (20...de4 21.Rd7 Pinning (21.Rd7 Deflection); 20...Be4 21.Qe4) 21.Qe4!! de4 (21...Re8+–) 22.Rd7 Nf5 (22...Kf8 23.Rb7 a6 24.Be5+–) 23.Bc4 Rf8 24.Rb7 1–0. Janek – Silvmoon, internet, 2017.

8.Nc3 e4 9.Nd4 Bd7 10.f3 ef3 11.Bf3 c6 12.b5 d5 (12...Re8!?+/–) 13.cd5 Nd5? (better is 13...c5 14.Nc6! Nc6 15.dc6 bc6 16.bc6 Rb8+/–) 14.Nd5+– (14.Bd5?! cd5 15.Nd5 Bd6+–) 14...cd5 15.Bd5 Bb5 (15...a6 16.Qh5 Bf6 17.Ba3+–) 16.Qh5 (better is 16.Nb5 Qd5 17.Nc7+–) 16...Bf1 17.Nf5 Qd5 (17...Bg5 18.Qg6 Qf6 19.Bf6 Be3 20.Ne3 Bg2 21.Qg7) 18.Ne7 (18.Ne7 Kh7 19.Qd5+–) 1–0. Speedy – wernt, internet, 2017.

8.d3 c6 9.Nbd2 Nbd7 10.Qc2 Rc8 (10...a5 11.a3=) 11.d4+= Qc7 12.Rac1 (12.h3 a5+=) 12...Bg4 13.Ne4 (13.h3 Be6+=) 13...Rfe8 (13...Ne4!? 14.Qe4 f5+=) 14.Nf6 (14.h3 Be6+=) 14...Bf6= 15.de5 de5 16.Qe4 Bh5 17.Rfd1 Nb6 18.Rd2 Rcd8 19.Rcd1 (19.Rd8 Qd8 20.c5 Bg6=) 19...Rd2+= 20.Rd2 Qc8 21.h3 (21.Ne5? Be2 22.Re2 Be5 23.Be5 f6–+) 21...Bg6 22.Qg4 Bf5 23.Qg3 Qe6 24.Nh4 Bh7 (24...Bb1 25.c5 Na4 26.Ba1+=) 25.c5= Nc4 (25...Nd5 26.a3=) 26.Bg4 Qe7 27.Rd7 Qf8 28.Ba1 (28.Bc3!? Rd8 29.Rb7+=) 28...a5= 29.Nf5?? (29.Bc3 Re7 30.Rd1 ab4 31.Bb4 e4+=) 29...Bg6?? (29...Bf5 30.Bf5 ab4 31.Be4 (worse is 31.Rb7 Qc5 32.Rd7 Nd6–+) 31...Qc5 32.Qg4–+ (32.Rb7 Nd6 33.Qf3 Nb7 34.Bc6 Ra8 35.Bb7 Ra2–+)) 30.Bh5? (30.Nh4 Bc2 31.Bc3 ab4 32.Bb4 Re7+=) 30...Rd8?? (better is 30...Bf5 31.Bf7 Qf7 32.Rf7 Kf7–+) 31.Rb7?? (better is 31.Rd8 Qd8 32.Bg6 Qd1 33.Kh2 fg6 34.Qg6=) 31...Bh5–+ (31...Bf5?! 32.Rf7 Rd1 33.Kh2–/+) 32.Be5 (32.Bc3 Rd3 33.Nh6 Kh7 34.Ng4 Rc3 35.Nf6 gf6 36.Qh4–+) 32...Rd1 33.Kh2 Be5 34.Ne7 (34.f4 Bf6 35.e4 ab4–+) 34...Kh7 35.f4 Bf6 36.Nc6 ab4 37.Qf2 Qc5 (37...Rd2 38.Qg1 Bf3 39.Rb4 Qc5 40.Qb1 g6 41.Qg1 Ne3 42.Rb7 Bg2 43.Rf7 Kg8 44.Rf8 Kg7 45.Rf7 Kf7 46.Nd8 Bd8 47.h4 Ng4 48.Kg3 Qc3 49.Qe3 Qe3 50.Kg4 h5) 38.Qc2 Bg6 39.Qd1 Qc6 (39...Ne3 40.Qf3 Qc1 41.f5 Bf5 42.Qf2–+) 40.Rb4 (40.Qd7 Qd7 41.Rd7 Be4–+) 40...Ne3 41.Qf3 Qf3 (better is 41...Qc1 42.Qf2–+) 42.gf3 Nd5 (42...Bc2 43.a4 Nd5 44.Rc4–+) 43.Rc4 (43.Rb7 Bc2–+) 43...Nf4! 44.a4 (44.Rf4 Be5 Pinning (44...Be5 Decoy)) 44...Bf5 (44...Bd3 45.Rc6–+) 45.a5 Be6 (better is 45...Bd3!? 46.Rc5–+) 46.Rf4 (46.Ra4 Bd7 47.Ra2–+) 46...Be5 0–1. Pfueller,Volker – Rehder,Frank (1750), 6th Berlin–ch Seniors, 2010.

8.d4 e4 9.Nfd2 d5 10.a3 Bf5 (10...a5 11.b5=) 11.cd5 (11.Nc3 dc4 12.Qc2 Nc6 13.Bc4 Re8+=) 11...Nd5 12.Qc2 c6 (12...a5!?=) 13.Ne4+/– Nf6?? ( 13...a5+/–) 14.Nf6+– Bf6 15.Qf5 Nd7 (15...Qd5 16.Qd5 cd5 17.Nc3+–) 16.Nc3 Re8 17.Rad1 Nf8 18.Ne4 Nh7 (18...Nd7 19.Nd6 g6 20.Qf3+–) 19.Bd3 g6 20.Nf6 (20.Qf4 Bg7+–) 20...Nf6 21.Qf4 Kg7 22.e4 Qb8 (22...a5 23.d5 cd5 24.ed5 ab4 25.ab4+–) 23.Qf3 Qd8 24.h4 Kg8 25.d5! Nh7 26.dc6 Qh4 27.Bc4 (27...Re6 28.Be6 fe6 29.Qc3+–) 10. Rosenhahn – Maes, corr 3GMM–51, 1996.

8.d4 e4 9.Nfd2 c6 10.a4 d5 11.b5 a6 12.Nc3 Qc7 (12...dc4 13.ba6 Na6 14.Nce4 Ne4 15.Ne4=) 13.Rc1 (13.bc6 Qc6 14.cd5 Bd5 15.Nd5 Qd5+/–) 13...Rd8 (13...ab5!? 14.cd5 Nd5 (worse is 14...cd5 15.Nce4 Qb6 16.Nf6 Bf6 17.Bb5+/–; 14...Bd5?! 15.ab5 Bd6 16.Nd5 Nd5 17.bc6+=) 15.ab5 Nc3 16.Bc3 Bd5=) 14.cd5+= White fights for the Initiative 14...Bd5 15.Nd5 Rd5 16.Qc2 ab5 17.ab5 Bd6 18.Ne4 Bh2 (18...Ne4 19.Qe4 Bh2 20.Kh1+/–) 19.Kh1+/– Nbd7? (better is 19...Ne4!? 20.Qe4 Bd6+=) 20.bc6 (20.Nc3 Rg5+/–) 20...bc6 21.Nf6 (21.Qc6?! Qc6 22.Rc6 Ne4 23.Kh2 h5+/–) 21...Nf6 22.Qc6 (22.e4 Ne4 23.Qe4 Bd6+–) 22...Qb8 (22...Ra2 23.e4 Rd8 24.Qc7 Bc7 25.Rc7 Rb2 26.Bc4 Ne4 27.Bf7 Kh7 28.d5=) 23.Bf3 (23.g3 Rd6 24.Qf3 Ra5+–) 23...Rda5 24.Bc3 R8a6 (24...R5a6 25.Qc4 Ra4 26.Qd3+–) 25.Qc4 (better is 25.Ba5 Rc6 26.Rc6+–) 25...Rb5?? (25...Ra4!? 26.Bb4 Re6 27.Qc8 Re8 28.Qb8 Bb8+–) 26.d5 (26.g3 Bg3 27.fg3 Qe8+–) 26...Nh7 27.Bd4 (27.g3 Bg3 28.fg3 Ng5+–) 27...Ng5 (27...Ra8 28.g3 Ng5+–) 28.Qc8 Kh7 (28...Qc8 29.Rc8 Kh7 30.Be2 Rd5 31.Ba6+–) 29.Qb8 (better is 29.Qa6 Nf3 30.Rc8 Nd4 31.Rb8 Bb8 32.Qa2+–) 29...Bb8 30.Be2 Rd5 (30...Raa5 31.Bd3 f5 32.Bb5 Rb5+–) 31.Ba6 Nf3 (31...Ne6 32.Rfd1 Nd4 33.ed4 Ba7+–) 32.Rc5 1–0. Cuartero,M – Valdehita,P, Cajas op, 1989.

8.d4 e4 9.Nfd2 Bf5 10.Nc3 d5 11.a3 c6 12.Qb3 Be6 13.Rfc1 a6 14.a4 a5 (14...Nbd7 15.a5=) 15.ba5+= Ra5 (better is 15...Nbd7!?+=) 16.Qb7+– Qd7 17.Qd7 Nbd7 18.cd5 cd5 19.Nb3 Raa8 20.Ba3 Ba3 21.Ra3 Nb6 22.a5 Rfc8 23.a6 (23.ab6?! Ra3 24.Nc5 Rb8=) 23...Bd7 24.Nc5 Nc4 (24...Bc6 25.Nd1+–) 25.Bc4 dc4 26.a7 (better is 26.N3e4!? Ne4 27.Ne4 Rc6+–) 26...Rc7 27.Rca1 (worse is 27.N3e4 Ne4 28.Ne4 Raa7+/–) 27...Bc6 28.Kf1 Nd5 (28...Kf8 29.Ra6+–) 29.Nd5 (better is 29.N3e4!? Nb4 30.Rb1 Be4 31.Rb4 Bd3 32.Nd3 cd3 33.Rb8 Kh7 34.Rd3 Raa7+–) 29...Bd5 30.Ke2 f5 31.Ra5 g6 32.Kd2 g5 (32...Kf7 33.Kc3+–) 33.Ra6 Kh7 (33...f4 34.ef4 gf4 35.Rd6 Rca7 36.Ra7 Ra7 37.Rd8 Kg7 38.Rd5 Ra2 39.Kc3 Rf2 40.Ne4 Rg2 41.Rf5+–) 34.Kc3 Rc6 (34...Bf7 35.g4! fg4 36.Ne4+–) 35.Rc6 Bc6 36.Ne6 Rc8 37.Ra5 Kg6 38.Ra6 Kh7 (38...Ba8 39.Rb6 Kf7+–) 39.Rc6! Rc6 40.Nf8 Kg7 41.a8Q Rf6 42.Nd7 Rf7 43.Ne5 Rf8 44.Qc6 Rf6 45.Qd7 Kg8 46.d5 f4 47.Qe8 Kg7 48.Qe7 1–0. pierre (2145) – astrop, internet, 2007.

8.h3 Nbd7 9.d4 ed4 10.Nd4 Nb6 11.Ne6 fe6 12.Qb3 Kh8 13.Bf3 c6 14.a4 d5 15.cd5 ed5 16.Nc3 Nc4=+ 17.Rad1 Nb2 18.Qb2 Qd6 19.b5 Qb4 20.Rb1= Qb2 21.Rb2 Rab8 22.Rfb1 Bd6 23.Ne2 Kg8 24.Kf1 Be5 25.Rb3 c5? 26.Rd3+/– Rfd8 27.Rbd1 c4 28.Bd5 Nd5 29.Rd5 Bf6 30.Rd8 Rd8 31.Rd8 Bd8 32.Ke1 Ba5 33.Kd1 Kf7 34.f4 Ke6 35.e4 Kd6 36.Nd4 Kc5 37.Ne6 Kb4 38.Kc2 Ka4 39.Nc5 Kb5= 40.Nb7? Bc7–/+ 41.e5 Kc6 42.e6 Bf4 43.Na5 Kd6 44.Nc4 Ke6 45.Kd3 Kd5 46.Na5 Bc7 47.Nb3 a5 48.Nc1 Be5 49.Na2 h5 50.g4 hg4 51.hg4 g6 52.Nc1 a4 53.Na2 a3 54.Nb4 Kc5 55.Na2 Bb2 0–1. hal1958 – Chris, playchess.de, 2003.

8.Nc3 a6

9.d4 ed4

10.Qd4 Nc6 11.Qd1 (11.Qf4 Nb4 12.e4 Nc6 13.Nd5 Re8 14.Rfd1 Nh5+=) 11...Nb4+= 12.Qb3 Nc6 13.Qb7 Na5 14.Qb4 Nc4=.

10.Nd4 a5 11.b5 (11.a3 Nc6 12.Nc6 bc6 13.b5 Rb8 14.Rb1 cb5+=; 11.Ne6 fe6 12.a3 ab4 13.ab4 Ra1 14.Qa1 d5+=) 11...Nbd7 12.Bf3 Ra7 13.Bd5 Nc5 14.Rb1 a4+=.

10.Nd4 c5 11.Ne6 (11.bc5 dc5 12.Ne6 Qd1 13.Rfd1 fe6 14.Rab1 Ra7+/–) 11...fe6 12.Bg4 Qd7 13.Na4 Bd8 14.Bf6 Rf6+–.

10.Nd4 Nc6 11.a3 (11.Nc6 bc6 12.Qa4 Rb8 13.Rfb1 c5 14.bc5 Bf5=) 11...Nd4 12.Qd4 c5 13.Qf4 Qb6 14.Ne4 Ne4+=.

10.Nd4 Bc8 11.Nd5 Nd5 (11...c5 12.Nc2+=) 12.cd5+/– Bf6 (12...c6 13.dc6 Nc6 14.Qd2+/–) 13.Qc2 Bd4 (13...Re8 14.Rac1 Re7 15.Bd3+/–) 14.Bd4 c6 15.Qc3 (15.Bf3 Bd7+/–) 15...f6 (15...Qg5 16.f4 Qg6 17.Bd3+/–) 16.Qc4 (16.Rfd1 cd5 17.Bf3 Be6+/–) 16...cd5 (16...Kh8 17.Rac1+/–) 17.Qd5+– Kh8 (17...Kh7 18.Rfd1+–) 18.Rfd1 Nc6 19.Bc3 Qb6 (19...Re8 20.Qd6 Qd6 21.Rd6+–) 20.Qd6 Rd8 (20...Bf5 21.Qf4 Bc2 22.Rd6+–) 21.Qf4 Be6 (21...Rd1 22.Rd1 (22.Bd1?! Qd8+–) 22...Ne7 23.Rd6+–) 22.Bf6! (22.Bf6 Kg8 23.Bd8 Rd8 24.Qe4+–) 1–0. Janek – Angele, internet free game, 2017.

10.Nd4 d5 11.cd5 (11.Nd5 Bd5 12.cd5 Nd5 13.Qb3 c6 14.Rfd1 Bf6+/–) 11...Bd5 12.Nd5 (12.a3 Be6 13.Ne6 Qd1 14.Rfd1 fe6+/–) 12...Qd5 (12...Nd5 13.Qb3 c6 14.Rad1 Bf6+/–) 13.Bf3 Ne4? (better is 13...Qg5+/– 14.Bb7 Ra7+–) 14.Qc2+– f5 15.g4 g6 16.gf5 gf5 17.Nf5!! Rf5 (17...Qf5 18.Be4) 18.Be4 (18.Qe4?! Qe4 19.Be4 Rb5+/–) 18...Rg5 19.Kh1 Qf7 (19...Qe6 20.Bb7 Ra7 21.Qc7 Qe4 22.Be4 Rc7 23.f4+–) 20.f4 (worse is 20.Qc7 Bf8 21.Qc8 Nc6 22.Qa8 Qe6+–) 20...Rg4 (20...Rb5 21.Rg1 Kf8 22.Qc7+–) 21.Qd1 Rh4 (21...Qh5 22.Bb7 Rh4 23.Qh5 Rh5 24.Ba8 Bb4 25.Rg1 Kf8+–) 1–0. michaelbuss – Steve20, ChessWorld.net, 2007.

10.Nd4 Nbd7 11.f4 (11.a3 a5 12.Qc2 Nb6 13.Ne6 fe6 14.Rfd1 Qe8+=; 11.Bf3 c5 12.bc5 Nc5 13.Nd5 Rc8 14.Ne6 fe6=; 11.e4 Nb6 12.Qb3 Bd7 13.Rfe1 Re8 14.Bd3 a5+=; 11.Ne6 fe6 12.Bg4 Ng4 13.Qg4 e5 14.Nd5 a5+=; 11.Qb3 c5 12.Ne6 fe6 13.a3 Qb6 14.Rfd1 Rad8+=; 11.Qd2 c5 12.bc5 Nc5 13.Nd5 Nce4 14.Qd3 Nc5+=) 11...Nb6 12.Ne6 fe6 13.e4 a5 14.a3 ab4+=.

8.Nc3 Nbd7

9.d4 e4 10.Nd2 d5 11.b5=.

9.d4 e4 10.Nd2+= d5 11.cd5 Nd5 12.Nde4 Bb4 13.a3+=.

9.d4 e4 10.Nd2 Bf5 11.Qc2 Increases the pressure on e4 11...Bg6 (11...d5 12.Nd5 Nd5 13.cd5 Bb4 14.Ne4+=) 12.Nce4 Ne4 13.Ne4 d5 14.cd5 Bb4 15.Bd3 Nb6 16.a3 (16.Nc5!? Qd5 17.Bg6 fg6 18.Qg6+/–) 16...Be7+= 17.Nc3 Bd3 18.Qd3 Nd5 19.Nd5 Qd5 20.e4 Qd7 21.f4 Rfd8 22.Rad1 Qa4 23.Qg3 Bf8 24.Rd2 (24.Rfe1 Re8 25.Rc1 c6+=) 24...c5= 25.f5 cd4 26.e5 White plans f6 26...Rac8 27.f6 Rc6 28.Rdf2?? (better is 28.fg7!? Bc5 29.Kh1=) 28...g6 (better is 28...d3 29.Kh1 g5–+) 29.h4? (better is 29.Qd3–/+) 29...d3–+ 30.Rd2 Rc4 (30...Ba3?! 31.Ba3 Qa3 32.Qf4–+) 31.e6 Bc5 32.Rff2 Rf4 33.ef7?? (33.e7 Re8 34.Qd3 Rf2 35.Rf2 Qh4 36.Qf3–+) 33...Kf7 (33...Kf7 34.Bc3 g5 35.hg5 Bf2 36.Rf2 Qd1 37.Kh2 Rf2 38.Qc7 Kg6 39.Qd8 Qf3 (39...hg5 40.Qg8 Kf5 41.Qh7 Ke6 42.Qe7 Kf5 43.Qc5 Kg6 44.Qf2+–) 40.Qg8 Kf5 41.gh6 d2 42.Qh7 Kf4 43.Bd2 Rd2–/+) 0–1. Djurisic,Dusan (1925) – Radulovic,Dusan (1970), Kup Beograda, 2015.

9.d4 e4 10.Nd2+= Bf5 11.f3 ef3 12.Bf3 c6 13.Bc6 bc6 (13...Bd3!? 14.Bf3 Bf1 15.Qf1 a5+=) 14.Rf5+/– c5 (14...g6 15.Rf1+/–) 15.b5 (15.bc5 dc5 16.Rb1 cd4 17.ed4 Nb6+/–) 15...a6+/– 16.a4 ab5 (16...Re8 17.Nde4+/–) 17.ab5 (17.cb5 Re8+–) 17...Ra1 18.Qa1 Ng4 19.Nd5 Bg5 20.Rf3 (20.Nf1 cd4 21.ed4 Ndf6 22.Nf6 Nf6+=) 20...Ndf6 (20...Re8 21.Nf1+/–) 21.Nf6 Nf6 22.Qb1 (22.d5 Qe7 23.Bf6 Bf6+/–) 22...Qa5 (22...Re8 23.Qd3 Qe7 24.Nf1+/–) 23.Qd3 Qa4 (23...Re8!?+/–) 24.dc5+– dc5 25.Bf6 Bf6 26.Ne4 Be7 27.Qd7 Bg5 (27...Qa1 28.Rf1 Qe5 29.Qf5+–) 28.Ng5 hg5 29.Qd5 g4 (29...Qb4 30.h3+–) 30.Rf4 Qb3 (30...g3 31.hg3 Qa7 32.Rf5+–) 31.Qc5 1–0. marre – bhzi, internet, 2009.

9.d4 c6

10.a3 A) 10...Bf5 11.de5 (11.d5 a5 12.b5 cb5 13.cb5 Nc5 14.Nd2 Rc8=; 11.Nh4 Be6 12.e4 ed4 13.Qd4 c5 14.Qe3 Nb6=; 11.Qb3 Qc7 12.Rfd1 e4 13.Nh4 Bh7 14.g3 Nb6=; 11.Rc1 Re8 12.Nh4 Bh7 13.de5 de5 14.Nf3 Qb6=; 11.Qe1 e4 12.Nd2 a5 13.b5 Re8 14.Qd1 cb5=) 11...de5 12.Bd3 e4 13.Bc2 a5 14.Nd4 Bg6+=; B) 10...a5 11.b5 (11.Qd3 Nb6 12.Nd2 Re8 13.Rfd1 ed4 14.Qd4 ab4=; 11.Bd3 Re8 12.b5 cb5 13.cb5 Rc8 14.e4 Bg4=; 11.Qc2 Qb6 12.b5 cb5 13.Nb5 e4 14.Nd2 d5=; 11.e4 ab4 12.ab4 Ra1 13.Qa1 Qb6 14.d5 Bg4=; 11.d5 ab4 12.ab4 Ra1 13.Ba1 Bg4 14.h3 Bh5=) 11...Rc8 12.e4 ed4 13.Nd4 Nc5 14.f3 d5+=; C) 10...e4 11.Nd2 d5 12.Rc1 Rc8 13.c5 Qc7 14.b5 b6=.

10.Qc2+=. Katalymov,Boris N – Kolesnikova, SU, 1961.

10.Qc2 a5 11.b5 (11.a3 Qb6 12.b5 cb5 13.Nb5 e4 14.Nd2 d5=) 11...cb5 12.Nb5 e4 13.Nd2 d5 14.cd5 Bd5+=.

10.Qc2 b6 11.Rfd1 (11.e4 Qc7 12.b5 cb5 13.cb5 d5 14.ed5 Nd5+=; 11.Rad1 Qc7 12.e4 a6 13.h3 ed4 14.Nd4 Rac8+=; 11.a3 Qc7 12.b5 cb5 13.Nb5 Qb8 14.d5 Bg4=; 11.Rab1 a5 12.ba5 Ra5 13.Rfd1 Qc7 14.e4 ed4+=; 11.Rfb1 a6 12.e4 Qc7 13.Rd1 Rfc8 14.h3 ed4+=; 11.Rae1 a5 12.b5 cb5 13.d5 Bg4 14.cb5 Qc7+=; 11.Rfe1 e4 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 Bb4=; 11.Rfc1 Re8 12.b5 c5 13.de5 de5 14.Rd1 Qb8+=) 11...Qc7 12.e4 a6 13.a4 Rab8 14.b5 Bg4+=.

10.Qc2 Qb6 11.Rab1 (11.a3 a5 12.b5 cb5 13.Nb5 e4 14.Nd2 d5=) 11...ed4 12.Nd4 Rad8 13.Rfd1 Qc7 14.b5 Rc8+=.

10.Qc2 Nb6 11.de5 de5 12.Ne4 Ne4 13.Qe4 Nd7 14.c5 Bd5+=.

10.Qc2 Rb8 11.Rfd1 (11.Rad1 Qb6 12.a3 Rbd8 13.e4 ed4 14.Na4 d3+=; 11.a3 Re8 12.Rfd1 Qc7 13.e4 Rbd8 14.h3 ed4+=; 11.e4 Bg4 12.Qd1 Qb6 13.a3 Bf3 14.Bf3 Qd4=; 11.Rfc1 Qc7 12.a3 Rfe8 13.e4 Rbd8 14.h3 ed4+=; 11.Rfe1 e4 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 Bb4=; 11.Rfb1 Qc7 12.a3 Rbd8 13.e4 Rfe8 14.Rd1 Nb6+=; 11.Rac1 a5 12.b5 cb5 13.de5 de5 14.Nb5 e4+=; 11.Rae1 e4 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 Bb4=) 11...Qb6 12.a3 Rbd8 13.d5 Bg4 14.Nh4 Be2+=.

10.Qc2 Qc7 11.a3 (11.Rad1 Rae8 12.a3 a5 13.e4 ab4 14.ab4 Ra8+=; 11.Rfd1 Nb6 12.c5 Nbd7 13.de5 Ne5 14.Ne4 Nf3=; 11.e4 Bg4 12.d5 Rac8 13.Rac1 Qb6 14.a3 a5=; 11.Rac1 Nb6 12.c5 dc5 13.bc5 Nbd7 14.de5 Ne5=) 11...a5 12.Rfd1 Rfd8 13.b5 Rac8 14.e4 ed4+=.

10.Qc2 Qc8 11.Rac1 (11.Rfd1 Re8 12.a3 a5 13.e4 ed4 14.Nd4 Nb6+=; 11.a3 Re8 12.Rfd1 a5 13.e4 ed4 14.Nd4 Nb6+=; 11.Rfb1 Rd8 12.a3 Qc7 13.e4 Re8 14.h3 Nb6+=; 11.Rfe1 Re8 12.a3 a5 13.Red1 Qc7 14.e4 Reb8+=; 11.Rad1 a5 12.b5 cb5 13.Nb5 e4 14.Nd2 d5+=) 11...Bg4 (11...Nb6 12.de5 de5 13.Ne5 Bb4 14.Rfd1 Re8=) 12.Nh4 (12.Rfd1 Re8 13.a3 Bf3 14.Bf3 ed4+=) 12...Be2 (12...Nb6 13.Bg4 Qg4 14.Nf5 Rae8+=) 13.Ne2 (13.Nf5 Re8 14.Ne2 Qc7+=) 13...Re8 14.Nf5 Bf8 (14...Qc7+=) 15.a4 d5 16.de5 Ne5 17.c5 Ne4 18.Neg3 (18.Be5 Qf5 19.Bd4 Qg5=) 18...Nc4 19.Ba1 (19.Ne4!? Re4 20.Ng3=) 19...a5 20.ba5 Ra5 21.Ne4 Re4 (worse is 21...de4 22.Ng7 (worse is 22.Qc4 Qf5 23.Qb4 Rea8=) 22...Bg7 23.Bg7 Kg7 24.Qc4+/–) 22.Ng3 Na3 23.Qe2 (23.Qd1 Rea4 24.Bc3 Ra6–/+) 23...Rea4–+ 24.f4? (24.Qd1–+) 24...Nc4 (24...Bc5!? 25.Bc3 Nc4 26.Bd4–+) 25.Bd4 Bc5 26.Bc5 Ra2 27.Qh5 (27.Rc2 Rc2 28.Qc2 Rc5–+) 27...Rc5 28.f5 (28.Rfe1 Qf8 29.Qd1 Rb5–+) 28...Qf8 29.Rce1 Rb5 (29...Rb5 30.Rf2 Rf2 31.Kf2 Qc5–+) 0–1. Kuehn,Peter – Fahrendholz,W, corr DDR–Cup5 sf04, 1977.

10.Qc2 ed4 11.Nd4 Qb6 12.a3 a5 13.b5 Qc7 14.Rad1 Rae8+=.

10.Qc2 e4 11.Ne4 Ne4 12.Qe4 d5 13.Qc2 Bb4 14.c5 Qf6=.

10.Qc2 Re8 11.Rab1 (11.Rfd1 Qb6 12.a3 a5 13.Na4 Qc7 14.e4 b6+=; 11.Rad1 Qb6 12.a3 a5 13.b5 cb5 14.c5 dc5+=; 11.a3 a5 12.Rfd1 Qc7 13.e4 Reb8 14.b5 Rc8+=; 11.Rfc1 Qb6 12.a3 Rad8 13.Rd1 a5 14.h3 ab4+=; 11.Rac1 Qb6 12.a3 a5 13.c5 Qa7 14.cd6 ab4+=; 11.a4 e4 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 Bb4=) 11...e4 12.Ne4 Ne4 13.Qe4 d5 14.Qc2 dc4+=.

10.Bd3=.

10.d5 A) 10...cd5 11.cd5 Bf5 12.Bd3 Bd3 13.Qd3 a5 14.a3 ab4+=; B) 10...Bf5 11.Bd3 (11.dc6 bc6 12.a3 Qb6 13.Nh4 Bh7 14.Na4 Qb7=; 11.a3 a5 12.Bd3 Bd3 13.Qd3 ab4 14.ab4 Qb6+=) 11...Bd3 12.Qd3 cd5 13.cd5 Qb6 14.a3 Rfc8+=; C) 10...Bg4 11.h3 (11.a3 Nb6 12.dc6 bc6 13.Qc2 Qc7 14.Ne4 Ne4=; 11.dc6 bc6 12.Rb1 Rb8 13.a3 a5 14.b5 cb5=; 11.Rb1 Rc8 12.h3 Bh5 13.dc6 Rc6 14.Nd2 Be2=; 11.e4 Qb6 12.a3 a5 13.b5 Nc5 14.Nd2 Bd7=; 11.Qd3 a5 12.dc6 bc6 13.b5 Nc5 14.Qc2 cb5=; 11.Qd2 Nb6 12.dc6 bc6 13.Rfd1 Bf3 14.gf3 Qd7=) 11...Bf5 12.Bd3 Bd3 13.Qd3 Qb6 14.a3 a5+=.

10.e4 A) 10...Qb6 11.Rb1 (11.a3 a5 12.b5 Bg4 13.Ne5 Ne5 14.Na4 Qc7+=) 11...ed4 12.Nd4 Rad8 13.Nd5 Bd5 14.ed5 Rfe8+/–; B) 10...c5 11.dc5 (11.bc5 ed4 12.Qd4 Nc5 13.Nd2 Rc8 14.Nd5 Na4+=) 11...dc5 12.b5 a6 13.a4 Ng4 14.Nd5 Bd6+=; C) 10...Nb6 11.d5 (11.Qb3 a5 12.a3 Qc7 13.Rfd1 Rfe8 14.Rab1 ab4+=) 11...Bg4 12.Nd2 Bd7 13.a4 cd5 14.cd5 Nc8+=; D) 10...a5 11.a3 (11.b5 ed4 12.Nd4 Rc8 13.Ne6 fe6 14.Bg4 Kf7=) 11...ab4 12.ab4 Ra1 13.Qa1 ed4 14.Nd4 Qb6+=.

8.d4 ed4

9.ed4 d5 10.c5 b6 11.Nbd2 Nc6 12.b5 Nb8 13.c6 a6 14.a4 Ne8 15.Re1 Nd6 16.Bd3 ab5 17.ab5 Ra5 18.Ra5+– ba5 19.Qa4 Bf6 20.Qa5 Nc4 21.Nc4 dc4 22.Be2 Qd6?? 23.Ba3 (23.Ba3 Qd8 24.Bf8 Kf8 25.Bc4 Bc4 26.Qb4 Be7 27.Qc4+–) 1–0. agrillage – lea_dc, internet, 2005.

9.Nd4 d5 10.a3=.

9.Nd4 Bd7 10.b5 (better is 10.Nc3=) 10...b6 (better is 10...a6=) 11.Bf3+/– c6?? (better is 11...d5+/–) 12.bc6+– Nc6 13.Nc6 Bc6 14.Bc6 Rc8 15.Qf3 a5 (15...Qc7 16.Bb5+–) 16.Nc3 Nd7 (16...Qc7 17.Nd5 Nd5 18.Bd5+– (18.Qd5?! Qc6 19.Rfc1 Rfe8+=)) 17.Bd7 (17.Nb5 Nc5+–) 17...Qd7 18.Nd5 Qb7 (18...Bd8 19.Rac1 Re8+–) 19.Nf6! (19.Nf6 Bf6 20.Qb7 Bb2 21.Rab1+–) 1–0. MrkT – pjhen, internet, 2005.

9.Nd4 Nc6

10.b5 Nd4= 11.ed4 (11.Qd4 a6 12.a4 Qd7 13.Nc3 c5+=) 11...Qd7 (11...d5 12.c5 Re8 13.Re1 b6=) 12.d5 Bg4 (12...Bf5 13.Re1 a6=) 13.Bg4 (13.Re1 Rfe8+=) 13...Ng4 14.Nd2 Bf6 15.Bf6 Nf6 16.Nf3 Rfe8 17.Re1 Ne4 18.Qc2 Nc5 19.h3 Re1 20.Re1 Re8 21.Re8 Qe8 22.Kf1 Qe4 23.Qe4 Ne4 24.Ke1 f5 25.Nd4+/– g6 26.Ne6 Nc3 27.a3 Nb1 28.a4 Na3 29.c5 dc5 30.Nc5 Nc2 31.Kd2 Nb4 32.Nb7 Nd5+= 33.Nd8 Nb6 34.Nc6 ( 34.a5!? Nc8 35.Kc3+/–) ½–½. hal1958 – marvinni, playchess.de, 2002.

10.Nc6 bc6 11.Bd3 d5 12.cd5 Nd5 13.a3 c5+=.

10.Ne6 fe6

11.a3 a5 12.b5 A) 12...Nb8 13.Bf3 (13.Nd2 Nbd7 14.Bf3 Qc8 15.Ne4 Ne4 16.Be4+= ; 13.Nc3 Nbd7 14.Rb1 Qe8 15.f4 Nc5 16.Bf3+= ; 13.Qc2 c6 14.Nd2 Nbd7 15.Nf3 Qe8 16.Rab1+=) A1) 13...Qc8 14.Nd2 Nbd7 15.Rb1+= (15.Qc2 c6 16.Rac1+=) 15...e5 16.Ne4+=; A2) 13...c6 14.Nc3 d5 15.Rc1 Nbd7 16.Bg4+=; B) 12...Ne5 13.Be5 de5 14.Qa4 Bd6 15.Qc2 Qe7 16.Rd1+=.

11.a3 Qd7 12.Nc3 A) 12...a6 13.f4 (13.Bf3 Rab8 14.Ne2 Nh7 15.b5 Nd8 16.Nd4+=; 13.Qd2 Qe8 14.Rfd1 Qf7 15.f4 Rad8 16.Bf3+=; 13.e4 Rf7 14.Rb1 Raf8 15.b5 ab5 16.cb5+= ; 13.Qa4 Rf7 14.Rad1 Raf8 15.b5 Nb8 16.e4+= ; 13.Rc1 Rf7 14.Bf3 a5 15.Qb3 ab4 16.ab4+=; 13.Rb1 Rad8 14.Qd2 Qe8 15.b5 ab5 16.cb5+=; 13.Qc2 Qe8 14.Rad1 a5 15.b5 Ne5 16.f4+/–; 13.b5 Nd8 14.e4 ab5 15.cb5 d5 16.ed5+=; 13.Qb3 Rf7 14.Rad1 Raf8 15.b5 ab5 16.cb5+=) 13...a5 14.b5 Nd8 15.Qd3 Nf7 16.Rad1+/–; B) 12...Rad8 13.Qa4 (13.b5 Ne5 14.Qd4 a6 15.f4 Nf7 16.a4+= ; 13.Qd2 Qe8 14.Rad1 Qf7 15.b5 Ne5 16.Na2+= ; 13.e4 Qe8 14.f4 Qf7 15.Qd2 Nh5 16.Kh1+=; 13.Rb1 Qe8 14.b5 Ne5 15.f4 Ned7 16.f5+=; 13.Rc1 a6 14.e4 Qe8 15.f4 Qf7 16.Qd3+=) 13...a6 14.Rad1 Qe8 15.f4 Nd7 16.Qc2+=.

11.a3 Qd7 12.Nd2 A) 12...Rad8 13.Qb3 (13.Qc2 e5 14.Bd3 Qg4 15.Rae1 Qh5 16.Bg6+/–; 13.Rc1 a6 14.Bf3 d5 15.Qc2 a5 16.b5+= ; 13.Bf3 d5 14.Qc2 a5 15.b5 Na7 16.Rad1+= ; 13.Nf3 e5 14.b5 Nb8 15.Qc2 e4 16.Nd2+=; 13.f4 d5 14.Nf3 Qe8 15.Qc1 a6 16.Bd3+=) 13...Qe8 14.Bf3 d5 15.Rac1 Qf7 16.Bf6+/–; B) 12...e5 13.Bf3 (13.Qc2 Qe6 14.Rad1 a5 15.b5 Nd8 16.e4+= ; 13.Ne4 Kh8 14.Bf3 Qf5 15.Qd3 Qg6 16.Rad1+= ; 13.c5 a6 14.Qb3 Kh8 15.cd6 Bd6 16.Rfd1+= ; 13.Bd3 Rae8 14.Qc2 Nd8 15.Rae1 a5 16.ba5+=) 13...a6 14.Ne4 Kh8 15.Nf6 Bf6 16.Be4+/–.

11.a3 Qd7 12.Qd3 A) 12...Qe8 13.Nd2 (13.f4 Nd7 14.Nc3 Bf6 15.Qe4 Bc3 16.Bc3+=) 13...Nd7 14.Qe4 Bf6 15.Bd3 Rf7 16.Bd4+= ; B) 12...a6 13.Nd2 (13.Rd1 Rad8 14.Bf3 Qe8 15.Qc2 Rb8 16.b5+=; 13.Bf3 Nh7 14.b5 ab5 15.cb5 Nd8 16.Nc3+= ) 13...Rad8 14.Rad1 d5 15.Bf3 a5 16.b5+= ; C) 12...Rad8 13.Nd2 (13.Rd1 Qe8 14.Nd2 Qf7 15.Nf3 e5 16.Qf5+=; 13.Qg6 d5 14.c5 a6 15.f4 d4 16.ed4+= ) 13...Ne5 14.Qc2 a5 15.Rfd1 Nfg4 16.Ne4+/– ; D) 12...d5 13.b5 (13.cd5 ed5 14.b5 Nd8 15.Nc3 Ne6 16.Rfd1+=; 13.Rd1 Bd6 14.cd5 Nd5 15.Nc3 Qf7 16.f4+= ; 13.Nd2 Rad8 14.b5 Nb8 15.Nf3 Qe8 16.cd5+= ) 13...Nd8 14.Nc3 Nf7 15.cd5 ed5 16.Rad1+=.

11.a3 Qd7 12.Bf3 A) 12...a6 13.Nd2 (13.Nc3 Rab8 14.Ne2 Nh7 15.b5 Nd8 16.Qd3+=; 13.Qd3 Nh7 14.b5 ab5 15.cb5 Nd8 16.Rd1+= ; 13.Qc2 Nh7 14.Nc3 Bf6 15.Be2 Ng5 16.f4+= ) 13...Rf7 14.Rb1 d5 15.Qb3 Rd8 16.Rfd1+=; B) 12...e5 13.Nc3 (13.Qd3 Nd8 14.Nd2 c6 15.Ne4 Nf7 16.Rad1+=) 13...Nd8 14.Ne4 c6 15.Qd3 Nf7 16.Rad1+= ; C) 12...Rf7 13.b5 (13.Qd3 a6 14.Rd1 Raf8 15.b5 ab5 16.cb5+=; 13.Qd2 Raf8 14.Rd1 Nh7 15.b5 Nd8 16.Qa5+=; 13.Qc2 Raf8 14.Qg6 Nh7 15.Bc6 bc6 16.Nd2+=) 13...Nd8 14.Nc3 a6 15.a4 ab5 16.ab5+= ; D) 12...Qe8 13.Nc3 (13.Qc2 Nh7 14.b5 Nd8 15.Nc3 a6 16.Be4+=; 13.b5 Nd8 14.Nc3 a6 15.Rb1 ab5 16.Nb5= ; 13.Nd2 Qf7 14.Qa4 Nd8 15.Rad1 Qg6 16.Qa5+= ) 13...a5 14.Qb3 Qc8 15.Ne2 Nd7 16.Bc6+= ; E) 12...Rae8 13.Qd3 (13.Qc2 a6 14.Rd1 Rf7 15.b5 Nd8 16.Nc3+=; 13.Nd2 d5 14.Qe2 a5 15.b5 Na7 16.Rfd1+= ) 13...d5 14.cd5 Nd5 15.Rd1 Rd8 16.Qb3+/– ; F) 12...Rac8 13.Qc2 (13.Qd3 Nh7 14.b5 Nd8 15.Nc3 Bf6 16.Bd1+=; 13.Nc3 Rb8 14.Ne2 Rbe8 15.Qd3 Nh7 16.Bh5+=; 13.Qd2 Nh7 14.b5 Nd8 15.Nc3 Bf6 16.Be2+= ; 13.Nd2 d5 14.Qc2 Qd6 15.c5 Qd7 16.Rad1+= ; 13.b5 Nd8 14.Nc3 a6 15.a4 c6 16.ba6+=; 13.Qe2 Nh7 14.Be4 Bf6 15.b5 Nd8 16.Nc3+=; 13.Qb3 Nh7 14.Qa4 Ra8 15.Nc3 Rf3 16.gf3+/–) 13...Nh7 14.Qa4 Ra8 15.Nc3 Rf3 16.gf3+/–; G) 12...d5 13.cd5 Nd5 14.e4 Nb6 15.b5 Na5 16.Qd7+= ; H) 12...Nh7 13.b5 Nd8 14.Nc3 a6 (14...Bf6 15.Be4 a6 16.Qd3+=) 15.Be2+= (15.Qd3 ab5 16.cb5+= ) 15...ab5 16.cb5+=.

11.a3 e5 A) 12.b5 Nb8 13.Bf3 (13.f4 ef4 14.Rf4 Nbd7 15.Bf3 Nc5 16.Nc3+= ) 13...c6 14.Nc3 Qd7 15.Qd3 a6 16.bc6+=; B) 12.Nc3 B1) 12...Qd7 13.Nd5 Rf7 14.c5 Kh8 15.b5 Nd8 16.cd6+/– ; B2) 12...a6 13.Nd5 (13.Qd3 Ra7 14.f4 ef4 15.ef4 Nd7 16.b5+/– ) B21) 13...Ra7 14.Qd3 (14.f4 ef4 15.ef4 Ra8 16.Re1+/– ) 14...Ra8 (14...e4 15.Nf6 Bf6 16.Qd5+/–) 15.Rad1+/– 15...Ra7 16.f4+/–; B22) 13...Kh8 14.f4 e4 15.Qc2 Kg8 16.Rad1+/–; B3) 12...Rc8 13.Nd5 (13.Bd3 Qe8 14.Nd5 Bd8 15.Bf5 Ra8 16.f4+/–; 13.b5 Nb8 14.f4 c6 15.Qd3 Nbd7 16.Rad1+= ; 13.Qa4 a6 14.f4 ef4 15.ef4 Nd4 16.Rae1+/– ; 13.Bf3 Qe8 14.Nd5 Kh8 15.Qd3 Bd8 16.Rab1+/–) 13...Kh8 14.f4 a6 15.Bf3 e4 16.Nf6+/–; B4) 12...Rf7 13.Bd3 (13.Nd5 Qd7 14.c5 Kh8 15.b5 Nd8 16.cd6+/–; 13.b5 Na5 14.f4 a6 15.e4 c6 16.Rb1+= ) 13...a5 14.b5 Nb8 15.Bf5 Rf8 16.f4+/–; B5) 12...Qe8 13.Rc1 (13.Bf3 Qd7 14.Qd3 Kh8 15.Nd5 a6 16.Rfd1+/–; 13.Nd5 Nd5 14.Qd5 Qf7 15.Bd3 Qd5 16.cd5+/–) 13...Qf7 14.Nd5 Rac8 15.Bd3 Bd8 16.f4+/–; B6) 12...a5 13.b5 Nb8 14.f4 Nbd7 15.Bf3 Rb8 16.Rb1+/–.

11.b5 Nb8+= 12.Bf3 c6 13.Nc3 d5+=.

11.b5 Nb8 12.Bf3 c6 13.Qd3 a6 14.a4 d5 15.Rd1+=.

11.b5 Ne5 12.Be5 de5 13.Qc2 Qd6 (13...c6 14.bc6 bc6 15.Rd1+=) 14.Rd1 Qc5 (14...Qb6 15.Nc3+/–) 15.Nc3 (15.Nd2+/–) 15...Bd6 16.Ne4 Ne4 17.Qe4 Rf5 (17...c6!?+/–) 18.Qb7+– Raf8 19.Rf1 Rf2? (better is 19...Qa3+–) 20.Rf2 Qe3 21.Bf3 Bc5 22.Raf1 Qd2 23.Qc7 Bf2 24.Rf2 Qc1 25.Rf1 Qb2?? (better is 25...Qe3 26.Kh1 e4+/–) 26.Qa7+– Rf4 27.a4 Rc4 (27...Kh7 28.Qe3 Kg8 29.Rc1+–) 28.Qa8 Kh7 29.Be4 Re4 30.Qe4 (30.Qe4 Kg8 31.Rb1+–) 1–0. Bonetti,Shane – chessfish (1720), ICC, 2002.

11.a3 a6

12.Qc2 A) 12...Qc8 13.Nd2 (13.Bf3 Qe8 14.Nd2 Qf7 15.Rad1 Nd8 16.Ne4+=; 13.Rd1 Qe8 14.Bf3 Qf7 15.Nd2 Nd7 16.Nb3+= ; 13.Nc3 Qe8 14.Rad1 a5 15.b5 Ne5 16.f4+/– ) 13...Qe8 14.Rad1 Qf7 15.Bd3 Qe8 16.Nf3+/–; B) 12...Qd7 13.Nd2 (13.Rd1 Qe8 14.Bf3 Qf7 15.b5 Na5 16.Nc3+=; 13.Bd3 Rad8 14.b5 Nb8 15.Nd2 c6 16.b6+= ) 13...Ne8 14.Ne4 Bf6 15.Nf6 Nf6 16.Rad1+= ; C) 12...Qb8 13.Nd2 (13.Bf3 Qe8 14.Rd1 Qf7 15.Nd2 Nd7 16.Nb3+=; 13.Rd1 Qe8 14.Bf3 Qf7 15.Nd2 Nd7 16.Nb3+= ; 13.Nc3 Qe8 14.Rad1 Qf7 15.Bf3 a5 16.b5+= ; 13.Bd3 Qe8 14.Nd2 Ng4 15.h3 Nf6 16.Bg6+=) 13...Qe8 14.Rad1 Qf7 15.Bd3 e5 16.f4+/–; D) 12...Qe8 13.Nd2 (13.Bf3 Nh7 14.Be4 Nf6 15.Bg6 Qd7 16.Nd2+=) 13...a5 14.b5 Nd8 15.Bd3 Ng4 16.Bh7+=.

12.Nc3 A) 12...Qe8 13.f4 (13.Qd2 Rd8 14.Rad1 d5 15.cd5 Nd5 16.Nd5+=; 13.Bf3 Ra7 14.Ne2 e5 15.Qd3 a5 16.b5+= ; 13.Rc1 Rd8 14.Qc2 Qf7 15.b5 Ne5 16.c5+= ; 13.Rb1 Qf7 14.Bf3 Rab8 15.Bc6 bc6 16.Qa4+=) 13...Qg6 14.Bd3 Qf7 15.g4 Qe8 16.g5+/–; B) 12...Qd7 13.f4 (13.Bf3 Ra7 14.Ne2 Rf7 15.Qd3 Ra8 16.Nf4+/–; 13.Qd2 Qe8 14.Rfd1 Qf7 15.f4 Nd7 16.Bf3+= ; 13.e4 Rf7 14.Qd3 Ne5 15.Qh3 a5 16.Rfd1+= ; 13.Qa4 Qe8 14.Rad1 Nd7 15.Qc2 Bf6 16.f4=; 13.Rc1 Rad8 14.e4 Qe8 15.f4 Qf7 16.Bf3+=; 13.Rb1 Rad8 14.e4 Qe8 15.f4 Qf7 16.Qd2+=; 13.Qc2 Rad8 14.Rad1 Ra8 15.Bf3 Nh7 16.Ne4+/–; 13.b5 Nd8 14.e4 ab5 15.cb5 d5 16.ed5+=; 13.Qb3 Rad8 14.Bf3 Rb8 15.Ne2 Rf7 16.Rad1+=) 13...a5 14.b5 Nd8 15.Qd3 Qe8 16.Bf3+/–; C) 12...Qc8 13.Qc2 (13.Qd2 a5 14.b5 Ne5 15.Rad1 Ned7 16.f4+=; 13.Rc1 Qe8 14.Bf3 a5 15.Qb3 ab4 16.ab4+= ; 13.Rb1 a5 14.b5 Nb8 15.Bg4 Ng4 16.Qg4+= ; 13.f4 a5 14.b5 Nb8 15.Bf3 Nbd7 16.Qd4+=; 13.e4 Qe8 14.f4 Qb8 15.f5 Qa7 16.Kh1+=; 13.Qb3 Qe8 14.Rad1 Qg6 15.c5 Qf7 16.e4+=; 13.Qa4 a5 14.b5 Ne5 15.Rad1 Ned7 16.Qc2+=) 13...Qe8 14.Rad1 Qf7 15.f4 Nd7 16.c5+=; D) 12...Qb8 13.Qc2 (13.f4 Qe8 14.Qd3 Nd7 15.Qe4 Qf7 16.Bh5+=; 13.Qd2 Qe8 14.Rfd1 Qf7 15.f4 Qg6 16.Qd3+=; 13.Rb1 Qe8 14.Bf3 Nd7 15.Qe2 Rb8 16.Be4+=; 13.Qa4 a5 14.Qb3 Qe8 15.b5 Ne5 16.Na4+= ; 13.Rc1 Qe8 14.Qc2 Qf7 15.Bf3 Rab8 16.Ne2+= ; 13.Qb3 Qe8 14.Bf3 Nd7 15.Rad1 Bf6 16.Be4+=) 13...Qe8 14.Rad1 Qf7 15.Bf3 Ra7 16.Ne2+=; E) 12...Ra7 13.e4 (13.f4 Qe8 14.Qd3 Ra8 15.Bf3 Ra7 16.Rad1+/–; 13.Qd3 a5 14.Nb5 Ra8 15.Nd4 Nd4 16.ed4+= ) 13...e5 14.f4 ef4 15.Rf4 a5 16.b5+/–; F) 12...Rf7 13.f4 (13.Bf3 Qd7 14.Qd2 Raf8 15.Rad1 Ne5 16.Be2+=; 13.e4 e5 14.Nd5 Ne4 15.Bh5 Rf8 16.b5+= ; 13.Qa4 Qd7 14.Rad1 Raf8 15.b5 Nd8 16.e4+= ; 13.Qc2 Qb8 14.f4 Qa7 15.Qd3 Qb6 16.Bf3+=; 13.Rb1 Qd7 14.Bf3 Ra7 15.Ne2 Ra8 16.Nf4+=; 13.Rc1 Qb8 14.f4 Qa7 15.Qd2 Raf8 16.Bf3+=) 13...Rf8 14.Bf3 Qe8 15.Qd3 Qf7 16.Rad1+/–; G) 12...a5 13.b5 (13.Qb3 Qe8 14.b5 Ne5 15.Na4 Ng6 16.b6+= ) 13...Ne5 14.Na4 Nf7 15.Bd3 e5 16.Nc3+=.

12.Nd2 Qe8 13.Qc2 (13.Bd3 Rd8 14.Qc2 d5 15.Rad1 Qh5 16.cd5+=; 13.Bf3 Qg6 14.Qb1 Qf7 15.Qd3 Nd7 16.Qc2+=; 13.Qb3 Nd7 14.Ne4 Qg6 15.Bd3 Qf7 16.f4+=; 13.Qb1 Qf7 14.Bd3 Qh5 15.Qd1 Qd1 16.Rad1+=) 13...Qf7 14.Bd3 Qe8 15.Rad1 Ng4 16.h3+=.

12.Qd3 A) 12...d5 13.Qc2 (13.f4 dc4 14.Qc4 Nd5 15.Qe4 Qd7 16.Bg4+=; 13.Ra2 Bb4 14.cd5 ed5 15.Bf3 Kh8 16.Bf6= ; 13.c5 Ne4 14.Nd2 Nd2 15.Qd2 Bf6 16.a4= ; 13.Rd1 Qe8 14.Nd2 Rd8 15.Nf3 dc4 16.Qc4+=) 13...Bd6 14.Nc3 Qd7 15.Rad1 dc4 16.Bc4+/–; B) 12...Qd7 13.Nd2 (13.Rd1 Rad8 14.Bf3 Qe8 15.Qc2 Rb8 16.Nd2+=; 13.Bf3 Nh7 14.b5 ab5 15.cb5 Nd8 16.Nc3+= ) 13...Rad8 14.Rad1 d5 15.Bf3 a5 16.b5+= ; C) 12...Qe8 C1) 13.Nd2 Qf7 (13...Nd7 14.Qe4 Bf6 15.Bd3 Rf7 16.Bd4+= ) C11) 14.Bf3 d5 (14...Nd7 15.Qc2 Bf6 16.Bf6+= ) 15.Rad1+= 15...Rad8 16.Qb3+= ; C12) 14.Rad1 Nd7 15.Ne4 a5 16.b5+=; C2) 13.f4 Qf7 14.Nc3 Nd7 15.Bd1 Nb6 16.Bc2+=.

12.Bd3 A) 12...Qd7 13.f4 (13.Qc2 Rad8 14.b5 Nb8 15.Nc3 ab5 16.cb5+=; 13.Nd2 Ne8 14.Nf3 Bf6 15.Bf6 Nf6 16.Qd2=) 13...d5 14.Qf3 dc4 15.Bc4 Nd5 16.Rd1+/– ; B) 12...d5 13.Qc2 (13.Nc3 Qd6 14.Ne2 Qd7 15.Nf4 Rad8 16.Ng6+/–) 13...Qd7 14.Nd2 Bd6 15.Rad1 Ne5 16.Be5+/– ; C) 12...Qc8 13.f4 (13.Nd2 Nd7 14.Be4 Bf6 15.Bf6 Nf6 16.Bc6+=; 13.Qc2 Ng4 14.f3 Nf6 15.Nd2 Qb8 16.Nb3+= ; 13.Bg6 Nd7 14.f4 Bf6 15.Nc3 a5 16.Qg4+= ; 13.b5 Nd8 14.Nd2 ab5 15.cb5 d5 16.Nf3+=; 13.Qf3 Nd7 14.Qe4 Nf6 15.Qg6 Qe8 16.Qg3+=; 13.Qb3 Qe8 14.Nd2 Ng4 15.Be2 Qg6 16.h3=) 13...d5 14.Nc3 Rd8 15.Qf3 dc4 16.Bc4+/–; D) 12...Qb8 13.f4 (13.Nd2 Qe8 14.Nf3 e5 15.Bf5 g6 16.Bd3+= ; 13.Qe2 Qe8 14.Nd2 Nd7 15.Qg4 Bf6 16.Qe4+= ; 13.Bc3 Qe8 14.Nd2 Rd8 15.Qc2 Qh5 16.Nf3+=; 13.Bg6 Qc8 14.Qd3 Ng4 15.Bh7 Kh8 16.Be4+=; 13.Qf3 Qc8 14.Qg3 Qd7 15.Nd2 Rad8 16.Rad1+=; 13.Qc2 Qe8 14.Bg6 Qd7 15.Nd2 Ng4 16.h3+=) 13...Qe8 14.Nd2 d5 15.e4 Rd8 16.cd5+/–; E) 12...Qe8 13.Qf3 (13.Nd2 Rd8 14.Nf3 d5 15.Qc2 dc4 16.Qc4+=; 13.f4 Qf7 14.Nd2 Rad8 15.Qf3 d5 16.Rad1+= ) 13...Nh7 14.Qe2 Bf6 15.Nc3 Ne5 16.Bb1+=.

12.Bf3 Qe8 (12...d5 13.Qb3 a5 14.cd5 Nd5 15.b5 a4 16.Qc4+/–) 13.Nc3 (13.Nd2 Qg6 14.Qb1 Qf7 15.Qc2 d5 16.Rfd1+=; 13.Qc2 Nh7 14.Be4 Nf6 15.Bg6 Qd7 16.Nd2+=; 13.Qd3 Qf7 14.Nd2 d5 15.cd5 Nd5 16.Be4+=) 13...Ra7 14.Ne2 Qf7 15.Bc6 bc6 16.Nd4+/–.

11.a3 Qc8

12.b5 A) 12...Nb8 13.Qd2 (13.Nd2 Nbd7 14.Nb3 a6 15.ba6 Ra6 16.c5+=; 13.Qc2 Nbd7 14.Rd1 a6 15.Nd2 e5 16.Bd3+= ; 13.a4 Nbd7 14.a5 a6 15.Nd2 Nc5 16.Qc2+= ; 13.Nc3 Nbd7 14.Qc2 Nc5 15.Rfd1 a6 16.Qg6=; 13.f4 Nbd7 14.Nc3 Nc5 15.Qc2 Qe8 16.Rad1+=; 13.Bf3 Nbd7 14.a4 Nh7 15.a5 a6 16.Nc3+=; 13.Ra2 a6 14.Nc3 Nbd7 15.ba6 ba6 16.Qc2=; 13.Qd4 a6 14.e4 e5 15.Qe3 Qe6 16.Nc3=) 13...Ne4 14.Qd4 Bf6 15.Qe4 Bb2 16.Ra2+/–; B) 12...Nd8 13.Bd3 (13.Nd2 a6 14.Nf3 ab5 15.cb5 c5 16.Nh4+=; 13.Nc3 a6 14.e4 Nf7 15.f4 Qd7 16.Bf3+= ) 13...a6 14.Nc3 Qd7 15.a4 Nf7 16.Ne4+=.

12.Nc3 A) 12...a6 13.f4 (13.Qd2 Qe8 14.Rfd1 Qf7 15.f4 Rae8 16.Bf3+=; 13.Rc1 Qe8 14.Bf3 a5 15.Qb3 ab4 16.ab4+= ; 13.Rb1 Qe8 14.Bf3 Nd7 15.Qe2 Rb8 16.Be4+= ; 13.Qc2 Qe8 14.Rad1 Qf7 15.f4 Nd7 16.Bd3+=; 13.Qa4 a5 14.b5 Ne5 15.Rad1 Qe8 16.Qc2+=; 13.e4 a5 14.b5 Ne5 15.f4 Ned7 16.Qd3+=; 13.Qb3 Qe8 14.Rad1 Qf7 15.Bf3 Rab8 16.Ne2+=) 13...Qd7 14.Qd3 Rad8 15.Rad1 Qe8 16.e4+/–; B) 12...Qe8 13.f4 (13.Rb1 Rd8 14.Qa4 a6 15.Rbd1 Qf7 16.f4+=; 13.Rc1 a5 14.b5 Ne5 15.f4 Ned7 16.Bf3+= ; 13.Nb5 Qd7 14.Nd4 e5 15.Nc6 Qc6 16.f4+= ; 13.Bf3 a6 14.Rc1 a5 15.Qb3 ab4 16.ab4+=; 13.Ra2 a6 14.Bf3 Qf7 15.Ne4 Ne4 16.Be4+=) 13...Qf7 14.Bf3 Qg6 15.Nb5 Ne8 16.Bc6+=; C) 12...a5 13.Qb3 (13.b5 Nb8 14.Bg4 Ng4 15.Qg4 Bf6 16.Rad1+=) 13...Qe8 14.b5 Ne5 15.Rad1 Qg6 16.Na4+=.

12.Nd2 A) 12...Qe8 13.Qc2 (13.Bd3 Rd8 14.Qe2 Nd7 15.Qg4 Bf6 16.Qe4+=; 13.Nf3 Qf7 14.Bd3 e5 15.Qc2 Qe6 16.b5+= ; 13.Bf3 a6 14.Rc1 Ra7 15.Nb3 Ne5 16.Be5+= ; 13.b5 Nd8 14.Bd3 a6 15.Rc1 ab5 16.cb5+=; 13.Nb3 Qf7 14.Bf3 Nd7 15.Bc6 bc6 16.c5+=; 13.Rb1 Qg6 14.Bf3 e5 15.Ne4 Kh8 16.Nf6+=) 13...a6 14.Rad1 Qf7 15.Bd3 Qe8 16.Nf3+/–; B) 12...e5 13.Qc2 (13.c5 Qe6 14.b5 Nd8 15.e4+= 15...Kh7 16.Bc4+/–; 13.Ne4 Qe6 14.Bf3 Kh8 15.Nf6 Bf6 16.Bd5+/–; 13.b5 Nd8 14.c5 Qf5 15.cd6 Bd6 16.Bc4+=; 13.Bf3 Qf5 14.Ne4 Kh8 15.Qd3 Qg6 16.Rad1+=) 13...Qe6 14.Bd3 Rad8 15.Rae1 Nd7 16.f4+/– ; C) 12...Nd7 13.Bg4 (13.Ne4 Nf6 14.Qd3 Ne4 15.Qe4 Bf6 16.Bf6+=; 13.b5 Nd8 14.Ne4 a6 15.ba6 b6 16.Rb1+= ) 13...Nf6 14.Bf3 Qe8 15.Qc2 a6 16.Nb3+=.

12.Bd3 A) 12...a6 13.f4 (13.Nd2 Nd7 14.Be4 Bf6 15.Bf6 Nf6 16.Bc6+=; 13.b5 Ne5 14.Be5 de5 15.Qc2 c6 16.ba6+= ; 13.Qc2 Qd7 14.Nd2 Ng4 15.h3 Nf6 16.Rad1+= ; 13.Bg6 Nd7 14.f4 Bf6 15.Nc3 a5 16.Qg4+=; 13.Qf3 Nd7 14.Qe4 Nf6 15.Qg6 Qe8 16.Qg3+=; 13.Qb3 Ng4 14.h3 Nge5 15.Be4 Nd7 16.Rd1+=) 13...Qd7 14.Nc3 Kh8 15.Qf3 Qe8 16.Rad1+/–; B) 12...e5 13.Nc3 a6 14.Nd5 Qd7 15.Qf3 Bd8 16.Nf6+/– ; C) 12...Qd7 13.f4 (13.b5 Nd8 14.f3 a6 15.a4 d5 16.Nc3= ; 13.Nd2 Rad8 14.Nf3 e5 15.Qc2 Qg4 16.Bf5+= ; 13.Qc2 Ng4 14.Be2 Nf6 15.Rd1 a6 16.Nc3+=; 13.Qd2 a6 14.Rd1 Ng4 15.f3 Nf6 16.e4+=; 13.Ra2 a6 14.Nd2 Rad8 15.Nf3 e5 16.b5+=; 13.Qe2 e5 14.Nc3 Qe6 15.Nd5 Bd8 16.Nf6+/–; 13.Qb3 Ng4 14.Be2 Nf6 15.Qd3 Rad8 16.Rd1+=) 13...d5 14.Qf3 dc4 15.Bc4 a5 16.b5+/–; D) 12...Nd7 13.f4 (13.Be4 Bf6 14.Nc3 a5 15.Qb3 Qe8 16.Nb5+=) 13...a5 14.Bg7 Kg7 15.Qg4 Bg5 16.fg5+/– ; E) 12...Qe8 13.Nd2 (13.f4 Qf7 14.Nd2 Rad8 15.Nf3 Nd7 16.Nd4+=; 13.Qe2 Qf7 14.Qf3 Nd7 15.Qe4 Nf6 16.Bf6+= ; 13.Qf3 a6 14.Qh3 Qf7 15.Nd2 Nd7 16.Be4+= ) 13...Rd8 14.Nb3 d5 15.Qe2 a6 16.b5+=.

12.Bf3 Nd7 13.Bc6 (13.Nd2 Bf6 14.Bf6 Nf6 15.Bc6 bc6 16.c5+=; 13.Be4 Bf6 14.Nc3 a5 15.Qb3 Qe8 16.Nb5+=; 13.Qc2 Bf6 14.Bf6 Nf6 15.Bc6 bc6 16.Nc3=) 13...bc6 14.Qd3 Nf6 15.e4 a5 16.Nd2+=.

11.a3 d5

12.b5 A) 12...Nb8 13.Nc3 (13.cd5 ed5 14.Nc3 Qd6 15.Re1 Nbd7 16.e4+=; 13.Nd2 a6 14.cd5 ed5 15.Qa4 Nbd7 16.ba6+= ; 13.Qd3 c6 14.Rd1 Nbd7 15.cd5 cd5 16.Nd2= ; 13.Qc2 c6 14.Nc3 Bd6 15.Qd2 Qc7 16.cd5+=) 13...a6 14.cd5 ed5 15.Qb3 ab5 16.e4+/–; B) 12...Na5 13.cd5 ed5 14.Qa4 b6 15.Nd2 Nb7 16.Nb3+=.

12.Qc2 A) 12...Ne4 13.cd5 (13.b5 Nb8 14.Nc3 Nc3 15.Bc3 c6 16.cd5+/–) 13...ed5 14.b5 Nb8 15.Nc3 Nc3 16.Bc3+/– ; B) 12...a6 13.Bd3 (13.Nd2 Qe8 14.Rad1 Bd6 15.f4 Rd8 16.c5+=; 13.Rd1 Bd6 14.Nc3 a5 15.b5 Ne7 16.c5+= ) 13...Qd7 14.Nd2 Bd6 15.Rad1 Ne5 16.Be5+/– ; C) 12...Qd6 13.Nd2 (13.Rd1 a5 14.b5 Nd8 15.cd5 ed5 16.Nd2+=; 13.c5 Qd7 14.Nd2 a6 15.Nf3 Ne4 16.Rfd1+= ) 13...a6 14.Rad1 Rf7 15.Nf3 Rd8 16.Qg6+/– ; D) 12...Bd6 13.b5 Nb8 14.cd5 ed5 15.Nd2 Qe7 16.Rfc1+=.

12.Nc3 A) 12...Qd6 13.Rc1 (13.f4 a5 14.b5 Nb8 15.f5 c6 16.fe6+/– ; 13.c5 Qd7 14.Qd3 Ne5 15.Qd2 a5 16.Rfd1+= ; 13.Nb5 Qd7 14.cd5 ed5 15.e4 a6 16.ed5=; 13.cd5 ed5 14.Qb3 Rad8 15.Rad1 Kh8 16.Nb5+/–) 13...a6 14.cd5 ed5 15.Nd5 Nd5 16.Bc4+/–; B) 12...d4 13.ed4 (13.Nb5 de3 14.fe3 a5 15.Qd8+= Bd8 16.Nd4+=) 13...Nd4 14.Nb5 Nb5 15.cb5 Qd5 16.Re1+/–.

12.c5 A) 12...a5 13.Qe1 (13.b5 Nb8 14.Bd4 Nbd7 15.c6 bc6 16.bc6=) 13...ab4 14.ab4 Ra1 15.Ba1 Qa8 16.Bb2= ; B) 12...a6 13.Nd2 (13.Nc3 Qd7 14.Qd3 Rad8 15.Rad1 Qe8 16.f4+=; 13.Qc2 Qe8 14.Nd2 e5 15.e4 Qg6 16.Qb3+= ; 13.Bd3 Qd7 14.Qc2 Rad8 15.Nd2 d4 16.Rae1= ; 13.Qb3 b6 14.cb6 cb6 15.Rc1 Qd7 16.Qc2=) 13...Qe8 14.Nf3 b6 15.Nd4 Nd8 16.cb6+=; C) 12...Ne4 13.Nd2 Bf6 14.Bf6 Nf6 15.Nb3 e5 16.Rb1=.

12.Nd2 A) 12...Qd7 13.Nf3 (13.b5 Nd8 14.Nf3 Nf7 15.Rc1 c6 16.Qd3+=; 13.cd5 Nd5 14.Ne4 a6 15.Bc4 b5 16.Qg4+= ) 13...Rad8 14.cd5 Nd5 15.Bb5 Bd6 16.e4+/– ; B) 12...a6 13.Nf3 (13.Qc2 Qe8 14.Rad1 Bd6 15.Nf3 Rd8 16.c5+=) 13...Ne4 14.cd5 ed5 15.Qb3 Bf6 16.Rad1+/– ; C) 12...dc4 13.Bc4 Qd6 14.Qb3 Nd8 15.Nf3 Qb6 16.Nd4+/–; D) 12...Qe8 13.Rc1 (13.b5 Nd8 14.Rc1 c6 15.cd5 cd5 16.Bd3+=; 13.cd5 ed5 14.Nf3 Qd7 15.Qd3 a6 16.Rfd1+=) 13...Qf7 14.b5 Nd8 15.Nf3 c6 16.Ne5+/–.

12.Qd3 A) 12...Qd7 13.Rd1 (13.b5 Nd8 14.Nc3 c6 15.Rad1 Qc7 16.cd5+=; 13.cd5 ed5 14.b5 Nd8 15.Nc3 Ne6 16.Rad1+= ; 13.Nd2 Rad8 14.Rad1 a6 15.Bf3 a5 16.b5+= ) 13...Bd6 14.f4 dc4 15.Qc4 Nd5 16.Bg4+/–; B) 12...Bd6 13.cd5 (13.f4 a5 14.c5 Be7 15.b5 Nb8 16.Bd4+= ) 13...ed5 14.Bf6 Qf6 15.Nc3 Rad8 16.Nd5+/– ; C) 12...Ne4 13.cd5 (13.b5 Na5 14.cd5 ed5 15.Nc3 Bf6 16.Bf3+=; 13.Bg4 Qd6 14.Nc3 Nc3 15.c5 Qd7 16.Bc3+= ; 13.Nd2 Nd2 14.Qd2 dc4 15.Qd8 Rad8 16.Bc4+= ) 13...Qd5 14.Qc2 Nd6 15.Rd1 Qg5 16.f4+=; D) 12...Rf7 13.Nd2 dc4 14.Nc4 Qd3 15.Bd3 Rd8 16.Rad1+= ; E) 12...Qe8 13.cd5 (13.b5 Nd8 14.Nc3 c6 15.Rad1 Qf7 16.cd5+=; 13.Qc2 Rd8 14.cd5 Nd5 15.b5 Nb8 16.Nc3+= ) 13...Nd5 14.b5 Nd8 15.Nc3 Nc3 16.Bc3+=.

12.Bd3 A) 12...Qd7 13.cd5 (13.b5 Nd8 14.Nc3 Nf7 15.Rc1 Bd6 16.Ne2+=) 13...Qd5 14.Nc3 Qd7 15.Bc4 Bd6 16.f4+/– ; B) 12...a6 13.Qc2 (13.Nc3 Qd6 14.Ne2 Ne8 15.c5 Qd7 16.Nf4+=) 13...Qd7 14.Nc3 Rad8 15.Rad1 Bd6 16.c5+=.

12.cd5 Nd5 13.Bg4 (13.b5 Bf6 14.bc6 Bb2 15.Ra2 Be5 16.cb7+=) 13...Qd6 14.Nc3 Bf6 15.Ne4 Qe7 16.Nf6+/–.

11.a3 Qe8

12.Qc2 A) 12...a5 13.b5 Nd8 14.Nd2 Rb8 15.Rad1 Qf7 16.Qc3+/–; B) 12...a6 13.Nd2 (13.Bf3 Nh7 14.Be4 Nf6 15.Bg6 Qd7 16.Nd2+=) 13...Nd7 14.Qe4 Bf6 15.Bd3 Rf7 16.Bd4+= ; C) 12...Qf7 13.Bd3 (13.Bf3 Nd7 14.Nd2 Bf6 15.Bf6 Qf6 16.Bc6+=; 13.Nd2 Nd7 14.Ne4 Rad8 15.b5 Nce5 16.f4+=; 13.b5 Nd8 14.Nd2 Nd7 15.Ne4 Qf5 16.Rac1+= ; 13.Rd1 Nd7 14.Bf3 Bf6 15.Bf6 Qf6 16.Bc6=) 13...Qh5 14.Nd2 Ng4 15.h3 Nge5 16.Bh7+/–; D) 12...Nd7 13.b5 (13.Qe4 Bf6 14.Nc3 a5 15.Rfb1 Qf7 16.Bd3=; 13.Nc3 Bf6 14.Rad1 Qf7 15.b5 Ne7 16.Bf3=; 13.Bd3 Bf6 14.Nc3 a5 15.Bh7 Kh8 16.Bg6= ) 13...Nd8 14.Nc3 Bf6 15.Bd3 Qh5 16.Rad1+=.

12.Nc3 A) 12...a5 13.Qb3 (13.b5 Ne5 14.f4 Ned7 15.Bf3 Nc5 16.Na4+=) 13...Qg6 14.Nb5 Rac8 15.Nd4 Nd8 16.Bd3+= ; B) 12...a6 13.Bf3 (13.f4 Qf7 14.Bf3 Nd7 15.Bc6 bc6 16.Qa4+=; 13.Qd2 Rd8 14.Rad1 Qf7 15.f4 Rd7 16.Bf3+=; 13.Rc1 Rd8 14.e4 Qg6 15.b5 Nb8 16.Qd4+= ; 13.Rb1 Qf7 14.Bf3 Rab8 15.Bc6 bc6 16.Qa4+= ) 13...Ra7 14.Ne2 Qf7 15.Bc6 bc6 16.Nd4+/–; C) 12...Rd8 13.Qc2 (13.Rc1 Qf7 14.f4 d5 15.Qa4 d4 16.Nd1+= ; 13.f4 Qf7 14.Bf3 d5 15.Qa4 a6 16.Rad1+= ; 13.Nb5 Qd7 14.Qa4 a6 15.Nc3 Qe8 16.b5+=; 13.b5 Ne5 14.Qd2 Ned7 15.Qc2 Qf7 16.Rad1+=; 13.Bd3 Ne5 14.Rc1 Nd3 15.Qd3 c6 16.e4=) 13...a5 14.b5 Ne5 15.Rad1 Qf7 16.f4+=.

12.Nd2 A) 12...Rd8 13.Nb3 (13.Qc2 Qf7 14.b5 Nb8 15.Rad1 c6 16.Bd3+=; 13.Nf3 e5 14.Bd3 Qh5 15.Qc2 Qg4 16.Bf5+= ; 13.Qb3 Nd7 14.Bf3 Qg6 15.Be4 Qh5 16.Qd1+=; 13.b5 Nb8 14.Rc1 Nbd7 15.Nb3 e5 16.Bf3+=; 13.Rc1 Nd7 14.b5 Nce5 15.f4 Nf7 16.Ne4+=) 13...Qf7 14.Qc2 a6 15.b5 Na7 16.ba6+/–; B) 12...Qg6 13.Nf3 (13.Qb1 Qf7 14.b5 Nd8 15.Bd3 Qh5 16.Qd1+=; 13.Bf3 e5 14.Ne4 Kh8 15.Nf6 Bf6 16.Qd5+= ; 13.b5 Nd8 14.Qb1 Qb1 15.Rab1 a6 16.b6+= ) 13...e5 14.Qb3 Rf7 15.c5 Rd8 16.b5+/–; C) 12...a6 13.Bf3 (13.Bd3 Rd8 14.Nf3 d5 15.Qc2 dc4 16.Bc4+=; 13.Qc2 Nd7 14.Qe4 Bf6 15.Bd3 Rf7 16.Bd4+= ; 13.Qb3 Qf7 14.Bf3 Qg6 15.Rad1 a5 16.b5+= ) 13...Qg6 14.Qb1 Qf7 15.Qc2 d5 16.Rfd1+/–.

12.Bd3 A) 12...a6 13.Nd2 (13.Qf3 Qf7 14.Nd2 Rad8 15.Rad1 a5 16.b5+=; 13.f4 Qf7 14.Nd2 d5 15.Qc2 Qh5 16.Bg6+= ) 13...Qf7 14.Qc2 Qe8 15.Bg6 Qd7 16.Rad1+= ; B) 12...Rd8 13.Nd2 (13.Qe2 Qf7 14.b5 Nb8 15.Qf3 Nbd7 16.Nd2=; 13.f4 d5 14.Qf3 dc4 15.Bc4 Nd5 16.Rd1+= ; 13.Nc3 a5 14.Nb5 ab4 15.Nc7 Qd7 16.Nb5= ; 13.Bc3 d5 14.c5 a6 15.f4 d4 16.ed4=) 13...Ne5 14.Bc2 Nc6 15.Nf3 e5 16.Bf5+=; C) 12...Nd7 13.Nc3 (13.f4 Bf6 14.Nc3 a5 15.b5 Ne7 16.Rb1= ; 13.Qg4 Bf6 14.Qe4 g6 15.Bf6 Nf6 16.Qh4= ) 13...Bf6 14.Be4 a5 15.Qb3 Qh5 16.Rfd1=.

12.Bf3 A) 12...Rd8 13.Nd2 (13.Qb3 d5 14.cd5 Nd5 15.Nc3 Rf3 16.gf3=; 13.b5 Ne5 14.Be5 de5 15.Qc2 c6 16.Nc3+= ; 13.Qc2 d5 14.Rd1 Bd6 15.Bf6 Rf6 16.cd5+= ; 13.Qe1 a6 14.Nd2 d5 15.Rc1 Rd7 16.Qe2+=) 13...d5 14.Qc2 a6 15.Rfd1 dc4 16.Nc4+=; B) 12...a6 13.Nc3 (13.Qc2 Nd7 14.Rd1 Bf6 15.Bc6 bc6 16.c5=; 13.Qd3 Qf7 14.Nd2 d5 15.Rfd1 Rad8 16.Rac1+=; 13.Nd2 Qg6 14.Qb1 Qb1 15.Rab1 e5 16.Rfd1+=) 13...Ra7 14.Ne2 Qf7 15.Bc6 bc6 16.Nd4+/– ; C) 12...Qg6 13.Nc3 a6 14.Qa4 Nd8 15.Rad1+= ( 15.Rac1 c6 16.Qc2+=) 15...c6 16.Be2+=; D) 12...Nh7 13.b5 Nd8 14.Nc3 Bf6 15.Qd3 a6 16.Be4+= ; E) 12...Qf7 13.Nd2 (13.b5 Nd8 14.Nc3 a6 15.Rb1 ab5 16.Nb5=) 13...d5 14.b5 Nd8 15.e4 dc4 16.Nc4+= ; F) 12...Rb8 13.Nd2 (13.b5 Nd8 14.Nc3 Nf7 15.Be2 a6 16.Rb1=; 13.Bc3 a6 14.Qd3 Rd8 15.Ra2 d5 16.b5= ; 13.Ra2 Qg6 14.Nd2 Ra8 15.Qb1 Qf7 16.Qc2+= ) 13...a6 14.Rb1 Qg6 15.Qa4 Qd3 16.Bc6+=; G) 12...Nd7 13.Nc3 (13.b5 Nd8 14.Bd4 Bf6 15.Nd2 a6 16.a4= ) 13...Bf6 14.Be4 a5 15.Qb3 Qh5 16.Rfd1=.

7.0–0 Re8

8.Qa4 A) 8...Bd7 A1) 9.Qb3 e4 (9...a5 10.b5 Bf5 11.Nc3 Nbd7 12.d4 ed4 13.ed4 Nb6) 10.Nd4 Na6 11.Nc2 c5 12.b5 Nc7 13.Nc3 Be6; A2) 9.Qa3 e4 (9...Na6 10.Nc3 e4 11.Ne1 c5 12.bc5 dc5 13.f3 Bc6) 10.Nd4 c5 11.bc5 dc5 12.Nb3 Na6 13.Nc3 Bd6; A3) 9.b5 Na6 (9...e4 10.Nd4 c5 11.Nb3 Na6 12.Nc3 Nb4 13.a3 Nd3) 10.Nc3 Nc5 11.Qc2 g6 12.d3 a6 13.a4 c6; B) 8...Bf5 B1) 9.d4 e4 (9...Nbd7 10.Nbd2 c6 11.h3 Qc7 12.a3 e4 13.Nh4 Bh7) 10.Nfd2 a5 11.b5 Nbd7 12.Nc3 Nb6 13.Qc2 Bf8; B2) 9.a3 a6 (9...Nbd7 10.Nc3 Nb6 11.Qa5 Qd7 12.d3 Be6 13.Nd2 Bd8) 10.Nc3 Nc6 11.h3 Qd7 12.Qb3 e4 13.Nd4 Nd4; B3) 9.Nc3 Nbd7 (9...a5 10.Nh4 Be6 11.a3 Nbd7 12.Qc2 Nb6 13.d3 Qc8) 10.Qa5 c6 11.Qd8 Bd8 12.d4 a5 13.b5 a4; C) 8...a5 C1) 9.b5 Bf5 (9...Nbd7 10.Nc3 Nb6 11.Qc2 Be6 12.Ne4 Qd7 13.a4 Ne4) 10.Nc3 Nbd7 11.Qd1 Ne4 12.Ne4 Be4 13.d3 Bg6; C2) 9.d4 e4 (9...Bg4 10.h3 Bd7 11.b5 ed4 12.Nd4 Na6 13.Nc3 Nc5) 10.Nfd2 Bf5 11.b5 c5 12.d5 Qb6 13.Qc2 Nbd7; C3) 9.Nc3 Nbd7 (9...Bf5 10.a3 Nbd7 11.Qb3 c6 12.h3 Nb6 13.Nh4 Be6) 10.Qa3 Nb6 11.ba5 e4 12.Nd4 Nc4 13.Bc4 d5; D) 8...e4 D1) 9.Ne1 Bd7 (9...d5 10.Nc2 Bd7 11.Qb3 Be6 12.Nd4 dc4 13.Bc4 Bc4) 10.b5 Bf5 11.Nc2 Nbd7 12.Nd4 Nc5 13.Qc2 Qd7; D2) 9.Nd4 c5 (9...Bd7 10.b5 c5 11.Nc2 Be6 12.Nc3 Nbd7 13.f3 ef3) 10.Nc2 Nc6 11.Nc3 Be6 12.f4 ef3 13.Rf3 Ne5.

8.b5 A) 8...Be6 A1) 9.Nc3 a6 (9...Nbd7 10.d4 a6 11.a4 c5 12.bc6 bc6 13.Qc2 Rb8) 10.a4 Nbd7 11.d4 Qc8 12.Qb3 ed4 13.ed4 c5; A2) 9.Qc2 a6 (9...Qc8 10.Nc3 Nbd7 11.d4 ed4 12.Nd4 Nb6 13.Qb3 a5) 10.Nc3 ab5 11.cb5 Nbd7 12.d4 c5 13.bc6 bc6; A3) 9.d4 e4 (9...Nbd7 10.Qc2 c6 11.Nc3 Qc7 12.Rac1 Rac8 13.h3 a6) 10.Nfd2 a6 11.Nc3 ab5 12.cb5 d5 13.a4 b6; B) 8...e4 B1) 9.Ne1 a6 (9...Nbd7 10.Nc3 a6 11.f4 ab5 12.cb5 Nc5 13.Nc2 Bf5) 10.Nc3 ab5 11.cb5 Nbd7 12.f4 Nc5 13.Nc2 Bf5; B2) 9.Nd4 c5 (9...Nbd7 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Nc5) 10.bc6 Nc6 11.Qb3 Qa5 12.Qb5 Qc7 13.Nc3 Nd4; C) 8...a6 C1) 9.Nc3 ab5 (9...Bf5 10.d4 Nbd7 11.a4 c6 12.Qd2 Qc7 13.h3 Ne4) 10.cb5 Be6 11.d4 e4 12.Nd2 d5 13.a4 b6; C2) 9.h3 Be6 (9...ab5 10.cb5 Be6 11.Nc3 c5 12.e4 Nbd7 13.a4 Qc7) 10.Nc3 ab5 11.cb5 c5 12.e4 Nbd7 13.Qc2 Qc7; C3) 9.Qc2 Be6 (9...ab5 10.cb5 Be6 11.Na3 d5 12.Nb1 e4 13.Nd4 Bd7) 10.Nc3 ab5 11.cb5 Nbd7 12.d4 c5 13.bc6 bc6; D) 8...Bf5 D1) 9.Nc3 Nbd7 (9...a6 10.d4 Nbd7 11.a4 ab5 12.ab5 Ra1 13.Qa1 e4) 10.d4 a6 11.a4 c5 12.Nh4 Bh7 13.de5 de5; D2) 9.Nh4 Bh7 (9...Be6 10.Nc3 Nbd7 11.d4 ed4 12.Qd4 a6 13.f4 Nc5) 10.Nc3 Nbd7 11.Nf3 Nc5 12.d4 ed4 13.ed4 Ne6; D3) 9.d4 e4 (9...Nbd7 10.Nbd2 a6 11.de5 de5 12.Ne5 ab5 13.cb5 Ba3) 10.Nfd2 a6 11.Nc3 ab5 12.cb5 d5 13.a4 c6.

8.Nc3 A) 8...Bf5 A1) 9.Qb3 Nc6 (9...Nbd7 10.d4 c6 11.Rad1 Qc7 12.h3 a5 13.b5 ed4) 10.Nh4 Be6 11.b5 Na5 12.Qa4 c5 13.bc6 Nc6; A2) 9.Nh4 Be6 (9...Bh7 10.Qb3 e4 11.f4 Nfd7 12.g3 Bh4 13.gh4 a5) 10.Nf3 Bf5 11.Qb3 Nc6 12.b5 Na5 13.Qa4 c5; A3) 9.Qa4 Nbd7 (9...a5 10.Nh4 Bd7 11.b5 e4 12.g3 Na6 13.f3 Nc5) 10.Qa5 c6 11.Qd8 Bd8 12.d4 Bc7 13.Rfe1 a5; B) 8...a5 B1) 9.a3 Bf5 (9...ab4 10.ab4 Ra1 11.Qa1 e4 12.Nd4 c5 13.bc5 dc5) 10.Nh4 Be6 11.Qb3 Nbd7 12.Nf3 Nb6 13.d3 Qd7; B2) 9.Qa4 Nbd7 (9...Bf5 10.Nh4 Be6 11.a3 Nbd7 12.Qc2 Nb6 13.d3 Qc8) 10.a3 Nb6 11.Qb3 Be6 12.d3 Qd7 13.h3 Rf8; B3) 9.b5 Bf5 (9...Nbd7 10.Qc2 Nc5 11.d4 ed4 12.Nd4 Bg4 13.Bg4 Ng4) 10.h3 Nbd7 11.d4 c6 12.c5 e4 13.bc6 bc6; C) 8...Na6 C1) 9.b5 Nc5 (9...Nb8 10.d4 Nbd7 11.Bd3 ed4 12.ed4 Nb6 13.Re1 d5) 10.d4 ed4 11.Nd4 a6 12.a4 ab5 13.ab5 Ra1; C2) 9.Qb3 e4 (9...c6 10.d4 e4 11.Nd2 d5 12.cd5 cd5 13.a3 Be6) 10.Ne1 Be6 11.Nc2 c5 12.a3 Rc8 13.f3 d5; C3) 9.a3 e4 (9...Bd7 10.Bd3 c5 11.b5 Nc7 12.Ne4 Ne4 13.Be4 f5) 10.Ne1 Be6 11.f3 c5 12.Ne4 cb4 13.ab4 Nb4; D) 8...e4 D1) 9.Ne1 Nc6 (9...a5 10.b5 Nbd7 11.Qc2 Nc5 12.f3 a4 13.fe4 a3) 10.b5 Ne5 11.f4 ef3 12.Nf3 Be6 13.Qb3 a6; D2) 9.Nd4 c5 (9...Nc6 10.Nc6 bc6 11.Qc2 d5 12.cd5 cd5 13.Nb5 c6) 10.bc5 dc5 11.Nb3 Nc6 12.f3 ef3 13.Bf3 Be6.

8.d3 a5 A) 9.Qa4 Nbd7 (9...Bf5 10.e4 Be6 11.b5 Nbd7 12.Nc3 Nc5 13.Qc2 Qd7) 10.Nc3 Nb6 11.Qb3 ab4 12.Qb4 Bf5 13.e4 Bd7; B) 9.ba5 Nc6 (9...Ra5 10.Nc3 Nc6 11.Nb5 Ra6 12.Bc3 e4 13.Nfd4 Ne5) 10.Nc3 Ra5 11.Nb5 Bf5 12.d4 e4 13.Nh4 Bd7; C) 9.b5 Nbd7 (9...Bf5 10.Nc3 Nbd7 11.e4 Bh7 12.Na4 Nf8 13.b6 c6) 10.Nc3 Nc5 11.d4 ed4 12.Nd4 Nfe4 13.Qc2 Bf6.

8.d3 a6 A) 9.Qb3 a5 (9...Bf5 10.Nc3 Nc6 11.Nd5 a5 12.b5 a4 13.Qa3 Na5) 10.a3 ab4 11.ab4 Ra1 12.Ba1 Nc6 13.Nbd2 Be6; B) 9.Nbd2 Nc6 (9...Be6 10.Qb3 Nc6 11.h3 Qb8 12.a4 a5 13.b5 Nb4) 10.Qb3 Bf5 11.Rad1 Qd7 12.h3 Bg6 13.d4 ed4; C) 9.Nc3= Nc6 (9...Bd7 10.d4 ed4 11.Nd4 c5 12.bc5 dc5 13.Nf3 Nc6) 10.b5 Na5 11.a4 Bf5 12.h3 c6 13.e4 Be6.

8.d3 Be6 A) 9.Nbd2 a6 (9...a5 10.b5 Nbd7 11.Qc2 c6 12.a4 Nc5 13.d4 ed4) 10.Qb3 Nc6 11.d4 ed4 12.Nd4 Nd4 13.Bd4 c5; B) 9.h3 a5 (9...a6 10.d4 e4 11.Nfd2 Bf5 12.Nc3 Nbd7 13.Qc2 Bf8) 10.b5 a4 11.Nbd2 Nbd7 12.Qc2 c5 13.bc6 bc6; C) 9.Nc3 Nc6 (9...Nbd7 10.d4 c6 11.Bd3 a5 12.b5 cb5 13.cb5 Rc8) 10.b5 Na5 11.Qa4 c6 12.c5 Bf5 13.e4 Bg4.

8.d3 Bf5 A) 9.Nbd2 a5 (9...Nbd7 10.e4 Bh7 11.Qc2 c5 12.a3 Nh5 13.g3 Qc7) 10.b5 Nbd7 11.Bc3 Bh7 12.Qc2 a4 13.Bb4 d5; B) 9.e4 Bh7 (9...Bd7 10.Nbd2 a6 11.d4 ed4 12.Nd4 Nc6 13.Qb3 a5) 10.Nc3 a5 11.a3 Nbd7 12.Qd2 c6 13.h3 Qb6; C) 9.Nc3 a5 (9...Nc6 10.b5 Na5 11.e4 Be6 12.Qa4 c6 13.d4 Qc7) 10.b5 Nbd7 11.d4 c6 12.h3 Qc7 13.Rc1 a4.

8.d3 Bf8 9.Nc3 (9.Nbd2 a5 (9...Be7 10.h3 a5 11.b5 Nbd7 12.Bc3 Nc5 13.Qc2 g6) 10.a3 Be6 11.Qa4 Nbd7 12.Qc2 c6 13.Bc3 ab4; 9.h3 a6 (9...a5 10.b5 Nbd7 11.Nc3 Nc5 12.d4 ed4 13.Nd4 Nfe4) 10.Qb3 a5 11.b5 Nbd7 12.Qc2 Nc5 13.d4 ed4) 9...Bg4 (9...a6 10.d4= (10.Qa4 Bd7 11.Qb3 Nc6 12.Nd2 Bf5 13.Nde4 Be7) 10...e4 11.Nd2 Nc6 12.a3 Bf5 13.Qc2 Bg6; 9...a5 10.b5 Nbd7 11.Qc2 Nc5 12.d4 ed4 13.Nd4 Bd7; 9...Be7 10.Qb3 a5 11.a3 Be6 12.d4 Nbd7 13.h3 c6) 10.h3+= Bf3 (10...Bh5!?+= 11.Qd2 Nbd7 12.a3 c6 13.g4 Bg6; 10...Bd7 11.b5 Be6 12.Qc2 Nbd7 13.d4 e4) 11.Bf3+/– (11.gf3?! d5+= (11...a6 12.Qb3 Nc6 13.Rac1 Qd7) 12.b5 d4 13.ed4 Qd4) 11...c6 (11...Qc8 12.Qd2 Be7 13.b5 Nbd7) 12.b5 d5 (12...a6 13.a4 Qc7) 13.cd5 cd5 14.Rc1 d4 (14...a6 15.Qb3 Nbd7 16.Nd5 ab5 17.Nc7+–) 15.Ne4 (15.ed4 ed4 16.Ne2 Qd7 17.Nd4 Bd6+–) 15...Ne4 (15...a6 16.Nf6 Qf6 17.ed4 ed4 18.Rc7 ab5 19.Rb7+–) 16.Be4 (16.de4?! de3 17.fe3 Nd7+=) 16...Nd7 (16...a6 17.Bb7 Ra7 18.Qf3 ab5 19.ed4 Ra2 20.Bd5 Rb2 21.Bf7 Kh8 22.Be8 Qe8 23.Qb7+–) 17.Bb7 Rb8 18.Bc6 Re6 19.ed4 Re7?! (19...ed4 20.Bd4 Nb6+–) 20.d5 a6 21.a4 ab5 22.ab5 Nc5 (22...f6+–) 23.Rc5 Rc7 (23...Reb7 24.Rc4+–) 24.Rc4 Bd6 25.Qe2 Re7 (25...Ra7 26.Be5 Ra3 27.Bc3+–) 26.Ra1 Kh8 (26...f5 27.Ra6+–) 27.Bc3 f6 28.Qe4 Rb6 (28...Rf7 29.Qg6 Qf8 30.Ra6+–) 29.Ba5 Bc7 (29...Ra7 30.Rca4 Ra5 31.Ra5 Rb8+–) 30.Bb6 Bb6 31.Ra8 1–0. Stanley – Leo, private, 2011.

8.d4 a5 A) 9.de5 de5 (9...Ng4 10.ed6 Qd6 11.h3 Nf6 12.b5 Be6 13.Qc2 Nbd7) 10.Qd8 Rd8 11.Be5 ab4 12.Bc7 Rd7 13.Bb8 Rb8; B) 9.ba5 ed4 (9...e4 10.Nfd2 Nc6 11.Nc3 Bf8 12.Nb3 Na5 13.d5 c6) 10.Nd4 Ra5 11.Qd2 Ra6 12.Nc3 Nc6 13.Nd5 Nd4; C) 9.b5 ed4 (9...Nbd7 10.Nc3 ed4 11.Nd4 Nc5 12.Qc2 Bg4 13.Bg4 Ng4) 10.Nd4 Nbd7 11.Nc3 Nc5 12.Qc2 Bg4 13.Bg4 Ng4.

8.d4 ed4 A) 9.Bd4 Nc6 (9...Na6 10.a3 c5 11.bc5 Nc5 12.Qc2 Nfe4 13.Nc3 Bf5) 10.b5 Nd4 11.Nd4 a6 12.Nc3 ab5 13.cb5 d5; B) 9.ed4 Bf5 (9...d5 10.b5 a6 11.Nc3 Be6 12.c5 ab5 13.Bb5 Nbd7) 10.b5 a6 11.Nc3 Nbd7 12.Bd3 Bd3 13.Qd3 Nb6; C) 9.Nd4 c5 (9...Nc6 10.Nc6 bc6 11.Nc3 Be6 12.Qd3 Rb8 13.b5 cb5) 10.bc5 dc5 11.Nf3 Nc6 12.Nc3 Be6 13.Qb3 Na5.

8.d4 e4 9.Nfd2 Na6 10.a3 c5 11.Nc3 cb4 12.ab4 Nb4 13.Qb3 a5.

8.d4 e4 9.Nfd2 c6 10.Nc3 d5 11.c5 Bf5 12.a4 b6 13.Nb3 Qc7 14.Ba3 Nbd7 15.Rc1 a6 16.cb6 Qb6 17.Nc5 Nc5 18.bc5 Qa5 19.Qc2 Reb8 20.Rb1 Qc7 21.h3 Rb7 22.Rb7 Qb7 23.Rb1 Qc7 24.Rb6 a5 25.Qb1 Ra7 (25...Bc8!?=) 26.Rb8 (26.Rc6! Qc6 27.Qb8 Bd8 28.Qa7+– (28.Qd8?! Kh7+=)) 26...Kh7 27.Qb6 Bd7 28.Qc7 Rc7 29.Ra8 Rb7 30.Bd1 (30.Ra5 Rb3 31.Nb5 Bd8–/+) 30...Nh5? (30...Ne8!?+/–) 31.Ra5 Bd8 (31...Nf6 32.Ra8+–) 32.Ra8 Bc7? (32...Bh4 33.a5 Kg6 34.a6+–) 33.Kf1 (better is 33.Bh5 Rb3 34.Bb2 Rb2+–) 33...Bc8?? (33...Kg6 34.a5 Nf6 35.Bc2+–) 34.Ke2 (34.Rc8 Nf6+–) 34...f5?? (34...Rb8 35.Rb8 Bb8 36.a5+–) 35.a5 (better is 35.Rc8 Nf6+–) 35...Bh2?? (better is 35...Rb8 36.Rb8 Bb8+–) 36.a6 (36.Rc8 Ra7 37.Rc6 Ra5+–) 36...Rf7 (36...Rb8 37.Ra7+–) 37.a7 (better is 37.Rc8 f4 38.Bc1 fe3 39.Be3+–) 37...Ba6 (37...Bb7 38.Re8 Ba6 39.Ke1 Ra7 40.Bh5+–) 38.Kd2 (38.Kd2 Kg6 39.Ba4+–) 1–0. Khannanov,Ruslan (1715) – Yusupov,Rafael, Ufa RUS, Gumerov Mem, 2012.

8.d4 e4 9.Nfd2 Bf5 10.Nc3 a5 11.b5 c5 12.d5 Nbd7 13.Qc2 Bf8.

8.d4 e4 9.Ne1 Bf5 (9...a6 10.Nc3 Nc6 11.Nc2 d5 12.cd5 Nb4 13.Nb4 Bb4) 10.Nc3 Nc6 11.b5 Na5 12.f3 Qd7 13.Qa4 b6.

8.d4 Bf5 A) 9.Nbd2 e4 (9...a5 10.b5 Nbd7 11.de5 de5 12.Ne5 Ne5 13.Be5 Bc5) 10.Nh4 Bd7 11.f4 Nc6 12.Qb3 Ng4 13.h3 Bh4; B2) 9.Qa4 Nbd7 (9...e4 10.Nfd2 a6 11.Nc3 Nc6 12.a3 Qd7 13.Qc2 Bd8) 10.Nbd2 c6 11.h3 Qc7 12.Rac1 a5 13.b5 c5; C) 9.Nc3 Nbd7 (9...Nc6 10.a3 ed4 11.Nd4 Nd4 12.Qd4 c6 13.Qf4 Qd7) 10.Qb3 c6 11.Rad1 Qc7 12.de5 de5 13.c5 a5.

7.0–0 Bf5

8.Qb3 Nbd7 9.Nd4 Bh7?? ( 9...ed4 10.Bd4 d5–+) 10.Nf3 b6 (10...a5!?=+) 11.d4= ed4 (11...e4 12.Nfd2=) 12.Nd4+= c5 13.Nc6 Qe8 14.b5 Be4 15.Nc3 Bc6 16.bc6 Ne5 17.Nd5 Bd8 18.c7 Be7 19.f4 Ng6 (19...Nd5!? 20.cd5 Nd7+/–) 20.Bf6 Bf6 21.Rad1 Ne7 22.Nf6 gf6 23.Rd6 Nf5 (23...Rc8 24.Rf6 Rc7 25.Bf3+–) 24.Rf6 Qe3 (24...Ne3 25.Rf3 Ng4+–) 25.Qe3 Ne3 26.Rf3 (26.Rh6?! Nf1 27.Kf1 Rac8+/–) 26...Nc4 (26...Kg7 27.Rc6 Rfe8+–) 27.Rg3 Kh7 28.Bd3 (28…Kh8 29.Rh6#) 1–0. Trkn – darrellmac (1730), ICC, 2004.

8.Nc3 c6 9.d4 Qc7 10.Re1 Nbd7 11.h3 Rfd8 12.Nd2 Bh7 13.f3 (13.a3 Bg6=) 13...Rac8 14.d5 (14.Nb3 d5 15.de5 Ne5+=) 14...c5 (better is 14...Qb6–/+) 15.b5= Rf8 16.e4 Ne8 17.Nf1 f5 18.Bd3 Nef6 (18...f4 19.a4=) 19.Ng3 (19.ef5 Nh5+=) 19...fe4= 20.Nce4 Rf7 21.Nf6 Nf6 22.Nf5 Bf8 23.Bc1 Nh5 24.Nh6?? (better is 24.Qc2+=) 24...gh6–+ 25.Bh7 Kh7 ½–½. Skidgel,Wendell A – Battes,Lee T (2020), Schenectady op10a, 2003.

7.0–0 Nh7

8.b5 a6 9.a4 ab5 (9...Bf5 10.d4 Nd7 11.Nc3=) 10.ab5+= Ra1 11.Ba1 Nd7 12.Nc3 b6 13.Bb2 Nc5 (13...Nhf6 14.Qc2+/–) 14.d4 ed4 15.Nd4 Bf6 (15...Bb7 16.Qc2+/–) 16.Nd5 +/–. pierre – munkhtr, internet, 2015.

8.d3 Ng5 9.Ng5 Bg5 10.Nd2 Nc6 11.a3 a6 12.Nf3 Bg4 (12...Re8 13.d4 e4 14.Nd2+=) 13.h3 (13.Ne5 Be2 14.Nc6 Bd1 15.Nd8 Bc2 16.Nb7 Bd3+/–) 13...Bf3 (13...Bf5!?+=) 14.Bf3+/– (14.gf3?! Re8=) 14...f5 15.Bc6 bc6 16.f4 ef4 17.ef4 Bf6 18.Qd2 Bb2 19.Qb2 Qf6 20.Qf6 Rf6 21.Rfe1 Kf7 22.Re3 Re6 23.Rae1 Re3 24.Re3 Re8 (better is 24...a5!? 25.ba5 Ra5=) 25.Re8+/– Ke8 26.d4 Ke7 27.Kf2 Ke6 28.Ke3 g5 29.fg5 hg5 30.g3 c5 31.h4 (better is 31.d5!? Kf7 32.bc5 dc5 33.Kf3+/–) 31...cd4 32.Kd4 gh4 (32...f4 33.hg5 fg3+=) 33.gh4+/– Kf6 (33...Kd7 34.a4 Ke6+–) 34.Ke3 c6 35.Kf4 Kg6 (35...d5 36.cd5 cd5+–) 36.h5! Kh5 (36...Kf6+–) 37.Kf5 d5 38.cd5 cd5 39.Ke5 1–0. Fournier,Frederic (1725) – pitagorico (1890), Active, 2005.

7.d3 b6

8.Nbd2 Bb7 9.0–0 c5 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.e4 Nh7 15.Bb2 f5 16.ef5 Rf5 17.Ne4 Be4 (better is 17...Nhf8!?=) 18.de4+/– Rf8 19.Qd5 Kh8 20.Ra1 Ndf6 (20...Nhf6 21.Qb7+/–) 21.Qc6 Ng5 (better is 21...Nd7!?+/–) 22.Ng5+– hg5 23.f3 Nh5 24.Ra6 Nf4 25.Bf1 g4 26.fg4 (26.Qb6 Qc8 27.Qa7 Qe6+/–) 26...Bg5 27.Qb6?? (27.Ra3 Ne6+/–) 27...Ne2 (27...Nh3! 28.gh3 Be3 29.Kg2 Qh4 30.Bd3 Qf2 31.Kh1 Qg1) 28.Be2+– Be3 29.Kh1 Qf6?? (29...Qh4!? 30.g3 Qh3+/–) 30.Bf3 (better is 30.Ra1+–) 30...Qh4+/– 31.g3 Qh3 32.Bg2?? (better is 32.Ra1 Rf3 33.Qd8 Kh7 34.Qh4 Qh4 35.gh4+/–) 32...Rf1! 33.Bf1 (33.Bf1 Qf1) 33...Qf1 0–1. GuestXFMN – Jirkar, freechess.org, 2017.

8.Nbd2 Bb7 9.0–0 Nbd7 10.h3 c5 11.b5 a6 12.a4 ab5 13.ab5 Nh7 (13...Qc7 14.Qc2=) 14.Ra8 Ba8 15.Ne4 Ndf6 16.Ng3 Qc7 17.Nf5 e4 (17...Bb7 18.d4 cd4 19.ed4+=) 18.Ne7 (18.de4 Be4 19.Bd3 Qb7+/–) 18...Qe7+= 19.de4 Be4 20.Nd2 Ng5? (20...d5!?+=) 21.Ne4 (21.Bf6 Qf6 22.h4 (22.Ne4?! Ne4 23.Bf3 Re8+/–) 22...Nh3 23.gh3+–) 21...Nge4 22.Bf3 Ng5 (22...Re8 23.Qd3+/–) 23.Bc6 Rd8 24.Qa1 Nge4 25.Rd1 Qe6 (25...Ne8 26.Qa6 Rb8 27.Ra1+/–) 26.Be4 (26.Qa7 Qc4 27.Bf6 Nf6 28.Qb6 Rf8 29.Rd6 Kh7+–) 26...Ne4+/– 27.Bg7 Qc4 (27...Kh7 28.f3 Rg8 29.Qb1 Qc4 30.Rd6 Rg7 31.Qe4 Qe4 32.fe4+=) 28.Bh6 Qc3 29.Qb1 (29.Qa2 Qf6 30.Bf4 Nc3+/–) 29...Re8 30.Bf4 Re6 31.Qa2 Qa5? (31...Qb4+/–) 32.Qd5?? (better is 32.Qa5 ba5 33.b6+–) 32...Qa4 (32...Qb5!? 33.f3 Nc3 34.Qg5 Rg6 35.Qd8 Kg7 36.Rd6 Ne2 37.Kh2 Nf4 38.ef4 Rd6 39.Qd6 c4 40.Qd4 f6=) 33.f3 Nc3 34.Qg5 Rg6 35.Qd8 Kg7 36.Rd6 (better is 36.Rd2 Nb5 37.Qb6 Qa1 38.Kh2+/–) 36...Rd6?? (better is 36...Ne2 37.Kf2 Nf4 38.ef4 Rd6 39.Qd6 Qb5 40.Qe5 Kh7+=) 37.Be5 (better is 37.Bd6 Qa1 38.Kh2+–) 37...Kg6?? (37...f6 38.Bd6 Qb3+–) 38.Qd6 Kf5 (38...Kh7 39.Qf6 Ne2 40.Kf2 Qh4 41.Qh4 Kg6 42.Qf6 Kh5 43.g4) 39.Qf6 1–0. GuestNRCH – GuestBCSG, freechess.org, 2017.

7.d4 e4

8.Nfd2 c6 9.Nc3 d5 10.cd5 cd5 11.a3 a6 12.0–0 Bd6 13.g3 (13.f3!?+=) 13...Nc6 14.f4 Be6 15.Nb3 Qd7 16.Nc5 Bc5 17.bc5 Bg4 18.Bg4 Qg4? (18...Ng4 19.Nd5 Nh2 20.Nf6 gf6 21.Kh2+=) 19.Qg4 (better is 19.Nd5!? Qf5 20.Nf6 Qf6 21.Qb3+–) 19...Ng4+= 20.Nd1 (20.Nd5!? Rad8 21.h3+=) 20...f5 21.h3 Nf6 22.Bc3 Rab8 23.Nb2 b5 24.Bb4 a5 25.Bd2 b4 26.ab4 ab4 27.Rfb1 Ra8 28.Na4 Rfb8 (better is 28...Nd7!?+=) 29.Nb6+/– Ra1 30.Ra1 Rb7 31.Ra8 Rb8 (31...Kf7!? 32.Ra2 Ke6+=) 32.Rb8+/– Nb8 33.Bb4 Kf7 34.Nc8 Nc6 35.Bd2 g5 36.Nd6 Ke7?? (better is 36...Ke6+–) 37.Nf5 Kd8 38.Nh6 gf4 39.gf4 Nd7 40.Nf7 Ke7 41.Ne5 Nde5 42.fe5 Ke6 43.h4 Kf5 44.Kg2 Kg4 45.Be1 Ne7 46.e6 (better is 46.Kf1+–) 46...Nf5 (46...Kf5 47.Kg3+–) 47.Bf2 (better is 47.c6 Ne7 48.c7+–) 47...Nh4 (47...Kh5 48.c6 Ne7+–) 48.Bh4 Kh4 (48...Kh5 49.e7 Kg6 50.e8Q Kg7 51.c6 Kh6 52.Qg8 Kh5 53.Qg5) 49.e7 Kg4 50.e8Q Kh4 (50...Kg5 51.Qg8 Kf6 52.c6 Ke7 53.c7 Kd7 54.c8Q Kd6 55.Qge6) 51.Qh8 1–0. Fournier,Frederic (1640) – Bonerbender, KasparovChess.com unrated blitz gam, 2002.

8.Nfd2 d5 9.b5 c6 10.Nc3 Be6 11.Qb3 Nbd7 12.Rc1 Rb8 13.0–0 Qc7? (better is 13...Rc8!?=) 14.cd5+/– Nd5? (better is 14...Bg4!?+/–) 15.Nd5+– (15.Nce4?! Nf4 16.Qd1 Ne2 17.Qe2 Rfe8+=) 15...Bd5 16.Qd5! cd5? (16...Qh2 17.Kh2 cd5+–) 17.Rc7 Rfd8 18.Bg4 Nf6 19.Re7 Ng4 20.Rc1 1–0. mtrc – Mobile11, internet, 2002.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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