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(c) Marek Trokenheim

1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6

(...)

5.a4 b6 6.Nf3 c6 7.d4 cb5 8.ab5 0–0 9.Nbd2 Nbd7 (9...a6 10.Bd3=) 10.c4 Bb4 11.Ba3 Bd2 12.Qd2 Re8 13.cd5 Nd5 14.Bc4 N7f6 15.Bd5 (15.0–0!?+=) 15...Nd5 16.Ne5 Bb7 17.0–0 (17.Nc4 a6 18.Nd6 Re7=) 17...Nf6 (17...Nc7!?+=) 18.Rac1 Ne4 (18...a6 19.ba6 Ra6 20.Bb4=) 19.Qd3 Qd5? (better is 19...a6=) 20.f3+– Ng5 21.e4 (better is 21.Rc7 f6 22.Ng6+–) 21...Qa2?? (better is 21...Qd8 22.Nc6 Bc6 23.bc6 h6+–) 22.Nc6 (better is 22.Rf2 Qf2 23.Kf2 f6+–) 22...Kh8 (22...e5 23.d5 Bc6 24.bc6+– (24.dc6?! Red8 25.Bd6 Rac8+–)) 23.Be7 (better is 23.Nb4 Qa3 24.Qa3+–) 23...Ne4?! (23...Bc6 24.bc6 Re7+–) 24.Qe4 (better is 24.fe4 f5 25.Bd6+–) 24...Re7= 25.Qh4 Ree8 26.Ne7 Rad8 27.Rc7 Qe2 28.Rb7+– Qe3 29.Rf2?? Rd4 30.Ng6?? fg6–+ 31.Qd4?? Qd4 32.g3 Qa1 33.Kg2 Rf8 34.Re7 e5 35.Re2 (35.Re2 Qa3 36.R7e5 Qf3 37.Kh3 Qf1 38.Rg2–+). exterminator1 – teknologi, kurnik, 2013.

5.c3 Bd7 6.Nf3 Qe7 7.Be2 h6 8.0–0 c6 9.a4 cb5 10.ab5 Bc8 11.d4 Bd7 12.c4 Bb4 (12...dc4 13.Bc4 0–0 14.Ne5+=) 13.Nc3 (13.c5 a5+/–) 13...a5 (13...dc4 14.Bc4 0–0 15.Qd3+=) 14.Na4 (better is 14.c5 b6 15.c6+–) 14...Bc8?? (better is 14...dc4 15.Bc4 0–0+/–) 15.Nb6+– Ne4 (15...Qd8 16.Na8 (16.Nc8?! Qc8 17.c5 Ne4+/–) 16...b6 17.c5 bc5 18.b6+–) 16.Na8 (16.Nc8?! Qd8 17.cd5 ed5+–) 16...0–0 17.Nb6 Nd7 18.Nc8 Rc8 19.c5 f6 20.Ba3 (20.Bd3!? f5+–) 20...Ba3 21.Ra3 Ra8 (21...b6 22.Nd2+–) 22.Nd2 (22.Qa1 b6 23.cb6 Nb6 24.Ra5 Ra5 25.Qa5 Qc7+–) 22...Ng5 (22...Nd2 23.Qd2 b6 24.Rc1+–) 23.Qb3 Nf7 24.e4 de4 25.Ne4 f5 26.Ng3 Nf6 (26...f4 27.Ne4+–) 27.Bf3 White prepares the advance d5 (27.Bc4 f4 28.Ne2 e5+–) 27...Nd8 (27...Ng5 28.Re1 g6 29.Ra4+–) 28.Re1 (28.Nf5!? Qd7+–) 28...Qf7 29.h3 Qg6 (29...g5 30.Rea1 g4 31.hg4 fg4 32.Be2+–) 30.d5 (better is 30.Re6!? Ne6 31.Qe6 Kh8 32.Bb7 Re8 33.Qf5 Qf7+–) 30...f4 31.Ne4 Nd5 32.Nd6 Nb4 (32...a4 33.Ra4 Ra4 34.Qa4+–) 33.Nb7 (33.Qb4! ab4 34.Ra8 Qf6 35.Nb7 Kh7 36.Nd8 b3+–) 33...Nb7 34.Bb7 Kh8 (34...Re8+–) 35.Ba8 f3 36.Bf3 (36.Bf3 Nd5 37.b6+–) 1–0. brother – kijka6, kurnik, 2013.

5.Nc3 0–0 6.Nf3 c6 7.a4 e5 8.Be2 e4 9.Nd4 Qc7 10.g3 c5 11.Nb3 c4 12.Nd4 Be6 13.0–0 Bh3 14.Re1 Nbd7 15.d3 cd3 16.cd3 Be5 17.de4 de4 18.Rc1 Qb6 19.Kh1 Rac8 20.Qd2 Rfd8 21.a5 Qd6 22.b6 ab6 23.Ncb5 Qd5 24.Rc8 Rc8 25.ab6 Nb6 26.Qb4 Ng4 27.Kg1 Qc5 28.Qd2 Nc4 29.Bc4 Bd4 30.Nd4 Ne3 31.Bf7 Kf7 32.Qe3 Qb6 33.Rb1 Qg6 34.Qb3 Ke8 35.Rc1 Rc1 36.Bc1 b6 37.Be3 Kd8 38.Qd5 Bd7 39.Nb5 h6 40.Nc3 Kc7 41.Qe5 Kb7 42.Nd5 Ka6 43.Qc7 Bg4 44.h3 Bf3 45.Bb6 h5 46.Qc8 Kb5 47.Qc5 Ka6 48.Nb4 Kb7 49.Qc7 Ka8 50.Qc8 1–0. NN – COMP, 1989.

5.Nc3 Nbd7 6.g4 (6.Be2 e5=+) 6...h6 7.f4 d4 (7...Nb6 8.h3–/+) 8.ed4=+ Bf4 9.Qf3 (9.Nh3 Bd6=+) 9...Bd6 10.0–0–0 Qe7 (10...Nb6 11.Re1=+) 11.Nb1 (11.h3 Ba3=+) 11...Nb6 (11...a6 12.ba6 Rb8 13.c4 ba6 14.Re1–+) 12.c4=+ Bb4 13.a3 Ba5 14.h4 e5 (14...Na4 15.Bc3 Nc3 16.dc3=+) 15.de5 Bg4 (15...Ng4 16.Re1=+) 16.Qg3 (16.Qf4 Bd1 17.ef6 Qe1 18.Qe3 Qe3 19.de3 Bb3=+) 16...Bd1=+ 17.ef6 Qe4 (better is 17...gf6!? 18.Kd1 Na4+/–) 18.Bd3+– Qh1?? (better is 18...Qe6 19.fg7 Rg8+–) 19.Qe5 Kd8 20.Qe7 Kc8 21.fg7 (21...Bd2 22.Nd2 Rd8 23.Bf5 Kb8 24.Qd8 Nc8 25.Qc8#) 1–0. Coudari,Camille – Gersho,Jack, Montreal m, 1967.

5.Nc3 e5 6.Nf3 =+.

5.c4 a5 6.Nf3 c6 7.d4 Bb4 8.Nbd2 e5 9.de5 Ne4 10.a3 Nd2 11.Nd2 Bd2 12.Qd2 Be6 13.Rd1 0–0 (13...Qg5 14.cd5 Bd5 15.f4 Qh4 16.Qf2+–) 14.e4 Qh4 15.ed5 cd5 16.cd5 Qe4 17.Qe2 Bd5 18.Qe4 Be4 19.Rd4 Bf5 20.Bd3 Be6 (20...Bd3 21.Rd3 a4 22.Kd2+–) 21.f4 Nd7 (21...a4 22.f5 Bb3 23.Kd2+–) 22.f5 Bf5 (22...Ne5 23.fe6 Nd3 24.Rd3 fe6 25.Rf1+–) 23.Bf5 Ne5 24.0–0 (24.Bh7 Kh7 25.Rh4 Kg6 26.Be5 Rae8 27.Rg4 Kf5 28.0–0 Kg4 29.Bg7 Rg8 30.Rf7 b6+/–) 24...Rfe8 25.Re4 Ng6 26.Re8 (26.Rd1 Red8 27.Rde1 Rd5 28.Bg6 hg6+–) 26...Re8 27.Bg6 hg6 28.Kf2 Rd8 29.Ke3 Re8 30.Kf3 (30...Rd8 31.Rc1+–) 1–0. Skaug,Thorbjoern – Fehr,Wolfgang, corr ICCF TT–4–90, 1990.

5.c4 Bb4 6.Nc3 Bd7 (6...0–0 7.a3 Be7 8.Nf3=) 7.Nf3 Bc3 8.Bc3 Qe7 9.Be2 c6 10.a4 0–0 11.0–0 dc4 12.Bc4 cb5 13.ab5 Rc8 14.Qb3 h6 (14...Ne4 15.Bd4+=) 15.Ne5 Qd6 16.f4 Ne4 17.Nd7 (17.Bb4!? Qb6 18.f5 Bb5 19.fe6+–) 17...Nd7+= 18.Rad1 (18.Bb4 Qc7 19.Rfc1 Nb6+=) 18...Ndc5 19.Qa2 b6 20.Be2 (20.Bb4 Qc7+=) 20...Qe7 (20...Qd5!? 21.Qa1 Nc3 22.dc3 Qe4+=) 21.Bd4 Qh4? (better is 21...Rc7+=) 22.Bf3+– f5? (better is 22...Nd6 23.Bc5 bc5+–) 23.Qa1 (23.d3 Kh8+–) 23...Rc7?? (better is 23...Nb3 24.Qb2 Nd4 25.Qd4 Qd8+/–) 24.d3+– Nb3 25.Qb2 (25.Qa2!? Nd4 26.ed4 Nc3 27.Qe6 Kh7 28.Ba8 Nd1+–) 25...Nd4 26.Qd4 (better is 26.ed4 Qf4 27.Qe2+–) 26...Rd8 27.Qe5 Nc3?? (better is 27...Nd6 28.Qe6 Kh8+/–) 28.Qc7+– Nd1 29.Rd1 Kh7 30.d4 Rf8 31.Qa7 Kh8 32.Qb6 g5 33.Qe6 g4 34.Qe5 Rf6 35.Qe8 Kg7 36.Bd5 g3 37.h3 Qh5 38.Bf3 Qe8–+ 39.d5 Qe3 40.Kh1 1–0. elektrooon – kijka6, kurnik, 2013.

5.c4 d4 6.ed4 0–0 7.Nf3 b6 8.Be2 Bb7 9.0–0 c6 10.a4 c5 11.dc5 Bc5 12.d4 Be7 13.Ba3 h5 14.Be7 Qe7 15.Ne5 Ne4 16.Qd3 f5 17.Ng6 Qg5 18.Nf8 Nd2 19.Nd2 Qg2 0–1. bauska18 – banow74, kurnik, 2014.

5.c4 e5 6.d4 ed4 7.Qd4 c5 8.Qh4 Be7 9.Qg5 0–0 10.cd5 Qd5 11.Qd5 Nd5 12.Nc3 Nc3 13.Bc3 Nd7 14.Nf3 Nb6 15.a4 Bf5 16.a5 Nd5 17.Bb2 Nb4 18.Rd1 Rfd8 19.Ne5 Rd1 20.Kd1 Rd8 21.Ke2 f6 22.Nc4 Bg4 23.f3 Bd7 24.Na3 Be6 25.g4 Rd3 26.Bc1 c4 27.Nb1 Na2 28.Bg2 Bc5 29.e4 (better is 29.Bd2–+) 29...Rb3 (29...Nc1?! 30.Rc1 Rb3 31.Bf1 Rb5 32.Kd1–+) 30.Bf4 c3 31.Nd2 Rb2 (worse is 31...cd2 32.a6 Bc4 33.Kd1–+) 32.Rd1 c2 (worse is 32...cd2 33.Rd2 Bc4 34.Kd1 Bb3 35.Ke2 Nc1 36.Ke1 Nd3 37.Rd3 Bf2 38.Kf1–+; 32...Rd2?! 33.Bd2 Bc4 34.Ke1–+) 33.Ra1 c1Q 34.Rc1 Nc1 (34...Nc1 35.Kd1 Nd3–+) 0–1. Pierred (2205) – Improving (2520), Rated game, 3m + 0s, 2005.

5.Bd3 Bd7 6.a4 c6 7.Ne2 c5 8.0–0 c4 9.Bh7 Nh7 10.Ng3 e5 11.Qh5 Qf6 12.f4 Qg6 13.fe5 Qh5 14.Nh5 Be7 15.Ng7 Kf8 16.Nh5 Be6 17.Ba3 Nd7 18.Be7 Ke7 19.Nc3 Ne5 20.h3 Nf6 21.Nf6 Rh6 22.Nfd5 Kd6 23.Nf4 Bf5 24.e4 Bh7 25.Nfd5 Bg8 26.Rf5 Re8 27.d4 Ng6 28.Nf6 Re6 29.Ng8 1–0. tuulevalja – fabiosergio, kurnik, 2014.

5.d4 c6 6.a4 c5 7.c4 cd4 8.ed4 0–0 9.c5 Bc7 10.Nf3 Ba5 11.Bc3 Bc3 12.Nc3 Ne4 13.Ne4 de4 14.Nd2 (better is 14.Ne5=) 14...b6?? (14...Qd4!? 15.Rc1 e3 16.fe3 Qe3 17.Qe2 Qa3–/+) 15.c6 (better is 15.Ne4 a6 16.Rc1+–) 15...Qd4= 16.Be2 e5 17.0–0 Bf5 18.Nb3 Qb4 19.f3 (better is 19.a5!? Be6 20.Nd2=) 19...e3 20.g4 Bg6 21.Nc1 a6 22.Qb3 (22.c7 ab5 23.cb8B Rfb8 24.Bb5 Rd8+=) 22...Qb3 23.Nb3 ab5 (better is 23...Bc2 24.Bc4 Rc8=) 24.ab5+/– Ra1 25.Ra1 e4 26.f4 f6 27.f5 Bf7 28.Nd4 Bd5 29.Ra8 g6 (29...Nc6 30.Rf8 Kf8 31.Nc6 Bb3+–) 30.Ne6 Be6 31.fe6 Kg7 (31...Rc8 32.Ra7 h5 33.gh5+–) 32.Bc4 (32.c7 Na6 33.c8R Rc8 34.Rc8 Nc7 35.Rc7 Kf8+–) 32...f5 (32...Rc8 33.e7 Nc6 34.Rc8 Ne7 35.Re8+–) 33.gf5 (33.c7 e2 34.Kf2 Rc8 35.cb8Q Rb8 36.Rb8 Kf6+–) 33...gf5 (33...Rc8 34.fg6 Kg6+–) 34.c7 Nc6 (34...Rc8 35.cb8Q Rb8 36.Rb8 e2 37.Rb7 Kf6+–) 35.Rf8 Nd4 36.c8Q e2 (36...Nf3 37.Kh1 e2 38.Qc7 Kh6 39.Qf4 Kg6 40.Qf5 Kh6 41.Rf6 Kg7 42.Rf7 Kh6 43.Rh7) 37.Rg8 Kf6 (37...Kh6 38.Qf8 Kh5 39.Qf7 Kh6 40.Qf6 Kh5 41.Qg5) 38.Qf8 (38.Qd8 Ke5 39.Qc7 Kf6 40.Qg7) 38...Ke5 39.Qg7 Kf4 (39...Kd6 40.Qd4 Ke7 41.Qd8) 40.Qg3 1–0. popovicigelu – shkupjan, kurnik, 2013.

5.d4 Ne4 6.Nf3 =+.

5.Be2 a6 6.ba6 b6 7.Nf3 =+.

5.Be2 c5 6.Nf3 0–0 7.c4 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0).

5.Be2 c6 6.f4 0–0 7.a4 a6 8.Nf3 Nbd7 9.0–0 ab5 10.ab5 Ra1 11.Ba1 c5 12.Qe1 b6 13.Be5 Qc7 (13...Ne5? 14.fe5 (< 14.Ne5 Qc7=+) 14...Bc7 15.ef6 Qf6 16.Nc3+–) 14.d4 Bb7 (14...Ne5? 15.fe5 Be5 16.Ne5 cd4 17.ed4 Qc2 18.Bd3+–) 15.Nbd2 Ra8 (15...Ne5? 16.fe5 Be5 17.Ne5 cd4 18.ed4 Qc2 19.Bd3+–) 16.Qg3 Ne8 (16...Ne5? 17.de5 Be7 18.ef6 Bf6 19.c4+–) 17.c4 Ra3 18.Kf2 Ra2 19.Rc1 cd4 20.Bd4 Bb4 21.Ra1 Rd2 22.Nd2 Bd2 23.cd5 Bd5 24.Bf3 Qc2 25.Kg1 Bc3 26.Bc3 Qc3 27.Qe1 Qc5 28.Bd5 ed5 29.Ra8 Kf8 30.Qe2 Ke7 31.h3 Nd6 32.Kh2 Nb5 33.Qb2 Nc3 34.Ra3 Nd1 35.Qb3 b5 36.Ra5 Nc3 37.Ra3 b4 38.Ra1 Nb6 (38...Qe3?! 39.Qb4 Qc5 40.Qb2–+) 39.Ra7 Kf6 40.Qb2 Nc4 (40...Qe3?! 41.Qb4 Nc4 42.Qb8–+) 41.Qa1 Qe3 42.Qa6 Qb6 43.Qb7 Qb7 44.Rb7 Na2 45.Rc7 (45.g4–+) 45...b3 0–1. Idelis – yuyuplotter (2555), ChessWorld.net, 2003.

5.Be2 e5 6.Nf3 e4 7.Ne5 =+.

5.Be2 Qe7 6.a4 a6 7.Nf3 ab5 8.ab5 Ra1 9.Ba1 0–0 10.0–0 Nbd7 11.d3 c6 12.Nbd2 cb5 13.c4 bc4 14.dc4 dc4 15.Nc4 Bc5 16.Bd4 b6 17.Bc5 Nc5 18.Nd4 Bb7 19.Nb6 Qd6 20.Nc4 Qd5 21.Bf3 Nfe4 22.Be4 Ne4 23.Nb6 Qg5 24.Nf3 Qg4 25.h3 Qg6 26.Nd7 Nc3 27.Nde5 Qf6 28.Nd7 Qg6 29.Nde5 Qf6 30.Ng4 Nd1 31.Nf6 1–0. blaugrana18 – bronek280, kurnik, 2013.

5.Ne2 0–0 6.g3 c6 7.c4 (7.Nbc3 a6 8.bc6 b5–/+) 7...cb5 (better is 7...dc4!? 8.Nec3 a6 9.bc6 Qb6–/+) 8.cb5–/+ Nbd7 9.d4 b6 10.Bg2 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Bb7 14.0–0 Ne4 15.f3 Nef6 16.Nbc3 Qe7 17.Qa4 Ra8 18.Qb3 Bb4 19.e4 de4 20.fe4 Ng4 21.d5?? (21.Rb1!?=) 21...Ne3 (21...Qc5 22.Kh1 Ra1 23.Nd1 ed5 24.ed5 Nf2 25.Nf2 Rf1 26.Bf1 Bd5 27.Qd5 Qd5 28.Kg1–+) 22.Rf3?? (better is 22.Rc1 ed5 23.ed5–/+) 22...Ra1–+ 23.Kf2 (23.Nb1 Bc5 24.Re3 Be3 25.Qe3 Rb1 26.Kf2 Ne5–+) 23...Bc3 (23...Ng4) 24.Nc3 (24.Ke3 Qc5 25.Kf4 Bd2 26.Kg4 Ne5 27.Kh4 Qe7 28.Kh3 Qg5–+) 24...Ra3 (better is 24...Nc5 25.Re3 Nb3 26.de6–+) 25.Qb2 Qc5 (better is 25...Ng4 26.Ke2 ed5 27.Kd1–+) 26.Re3 ed5 (26...Ne5 27.Qd2 Ng4 28.Ke2 Ne3 29.Qe3 Rc3 30.Qc5 Rc5 31.de6 fe6 32.Bf3–+) 27.ed5?? (better is 27.Nd5 Re3 28.Ne3–/+) 27...Nf6 (better is 27...Ne5 28.Ke2 Qe3 29.Ke3 Nc4 30.Kd4 Nb2–+) 28.Nd1?? (better is 28.h3+=) 28...h6 29.Qe5?? Ra2 30.Ke1?? Qb4 31.Qc3 Qb5 32.Bf1 Qd7 33.Rd3 Ra5 34.Qb3 b5 35.Nc3 Ra1 36.Kd2?? Qf5 37.Be2 Qg5 38.Kc2 Qc1 0–1. captainevans – pahayskii, kurnik, 2013.

5.Ne2 b6 6.c4 Bb7 7.Ng3 Bg3 8.hg3 Qd7 9.Bd3 0–0 10.Bf6 dc4 11.Bh7 Kh8 12.Bg6 Kg8 13.Qh5 fg6 14.Qh8 Kf7 15.Qg7 Ke8 16.Qg6 Qf7 17.Qf7 Rf7 18.Be5 Bg2 19.Rh8 Ke7 20.Bc7 Kd7 21.Be5 Be4 22.Nc3 Bd3 23.Rb8 Rh7 24.Rb7 Kd8 25.Rh7 Bh7 26.0–0–0 Bd3 27.f4 a6 28.a4 ab5 29.Nb5 Ra4 30.Kb2 Rb4 31.Kc3 Rb5 32.Rh1 Kd7 33.Rh7 Kc6 34.Rc7 Kd5 35.Rd7 Ke4 36.Rd4 Kf3 37.Rd6 Ke4 38.Re6 Rb3 0–1. captainevans – kutinho222 (1710), kurnik, 2014.

5.Qf3?! 0–0?! 6.Bf6 +=. Grehl, Gross.

5.Qf3 e5–/+ 6.h3 0–0 7.g4 c6 8.d4 (8.Nc3 e4 9.Qg2 a6–/+) 8...e4 9.Qg2 Qa5 10.c3 (10.Bc3!? Qb6 11.g5–/+) 10...cb5–+ 11.Ne2 Bd7 (11...Nc6 12.f4–+) 12.Nf4 Bf4 (12...Qc7 13.Nd2–+) 13.ef4 Qc7 14.Bc1 b4 15.Bd2 Nc6 16.Qg3 Qb6 (16...bc3 17.Bc3 Rfc8 18.Bb5–+) 17.Qe3 (17.g5 bc3 18.Nc3 Qb2+–) 17...bc3 18.Bc3 Rac8 19.Be2 Ne7 20.0–0 (20.Nd2 Nc6–/+) 20...Rc6 21.a3 Rfc8 22.Bb4 Qd8 23.Nc3 a5 24.Be7 Qe7 25.Nb5 Rc2 26.Rac1 Bb5 27.Rc2 Rc2 28.Bb5 Qc7 29.a4 (better is 29.Re1–+) 29...Rc3 30.Qd2 g5?? (30...Rh3 31.Rc1 Qd8 32.Qe2–+) 31.Kg2? (31.fg5 Rh3 32.f3 ef3 33.Rf3 Rf3 34.gf6 Qg3 35.Qg2 Qe1 36.Kh2 Qh4 37.Kg1–+) 31...gf4 32.Qd1 (32.Rb1 Rc2 33.Qe1 Kg7–+) 32...f3 33.Kh1 e3 (better is 33...Rc2!?–+) 34.Qb1? (better is 34.Qf3 Ne4 35.Kg2–/+) 34...Ne4–+ (35.fe3 Rc2 36.Qc2 Qc2 37.Rf3 Ng5–+) 0–1. Grehl,Siegfried – Gross,Wilhelm, corr SOK–89–46, 1989.

5.Nf3 0–0 6.c4 Nbd7 7.Be2 e5 8.0–0 e4 9.Ne1 dc4 10.Bc4 Ne5 11.Be2 Bd7 12.Nc3 c6 13.a4 Bb4 (13...Qc7 14.Qb1 Bg4 15.Bg4 Neg4 A) worse is 16.Ne4 A1) 16...Nh2 17.Bf6 (17.Nf6?! gf6 18.Qf5 Be7=) 17...gf6 18.Nf6 Kg7 19.Qf5+/– (worse is 19.Nh7 Rh8 20.Ng5 Nf1 21.Kf1 cb5=); A2) 16...Bh2?! 17.Kh1 Ne4 18.Qe4=; A3) 16...Ne4 17.Qe4 Nh2–+; B) 16.g3+=) 14.d4 ed3 15.Nd3 Nd3 16.Bd3 Qa5 (16...Rc8 17.Qb1=) 17.Qc2 Rac8 18.Ne4 Ne4 19.Be4 f5 20.Qc4 Kh8 (20...Rf7 21.Bd3+=) 21.Qd4 (better is 21.Rfd1!? Rcd8 22.bc6 bc6 23.Bc6 Bc6 24.Qc6 Rd1 25.Rd1+–) 21...Rf7= 22.Bd3 c5 (22...Be6!?=) 23.Qd5+/– Rcf8 24.Be5 (24.Qb7 Be6 25.Qc6 Bb3+/–) 24...Bc3? (better is 24...Bc8!?+=) 25.Bc3+– (25.Qc5?! Ba1 26.Ra1 Rc8=) 25...Qc3 26.Rfc1 Qb2 27.Qc5 b6 28.Qc3 Qc3 29.Rc3 Be6 30.Rac1 g6 31.Bc4 Bc4 32.Rc4 Rd8 33.Kf1 Rdd7 34.Ke2 Rde7 35.Rd4 f4 36.e4 g5 37.f3 h5 38.Rd5 Rg7 39.Rc6 Kh7 40.h4! gh4 41.Rh5 Kg8 42.Rc8 Kf7 43.Rf5 Ke6 44.Kf2 Kd7 45.Rh8 Rh7 46.Rh7 Rh7 47.Rf4 Kd6 48.Rf5 Ke6 49.Ke3 Kd6 50.f4 h3 51.Rd5 Kc7 52.gh3 Rh3 53.Kd4 Ra3 54.f5 Ra4 55.Ke5 a5 56.f6 Ra1 57.f7 Rf1 58.Ke6 Rf4 59.e5 a4 60.Ke7 a3 0–1. Pondlife – JMD, playchess.de, 2005.

5.Nf3 Kf8 6.Be2 c6 7.a4 Nbd7 8.0–0 Qc7 9.c4 e5 10.g3 e4 11.Nd4 c5 12.Nf5 Ne5 13.cd5 Bf5 14.Nc3 Rd8 15.f3 ef3 16.Bf3 Nc4 17.e4 Nb2 18.Qc2 Nc4 19.ef5 Ne5 20.Bg2 b6 21.Ne4 Ne4 22.Qe4 f6 23.d4 cd4 24.Qd4 Bc5 0–1. avinoam – jonas77777 (1655), kurnik, 2013.

5.Nf3 h6 6.c4 dc4 7.Bc4 0–0 8.0–0 Nbd7 9.a4 Re8 10.h3 Nb6 11.Be2 a6 12.Nc3 g5? (12...ab5 13.Nb5 e5 14.d4=) 13.Nd4 (13.Qc2 Nbd5+/–) 13...Bd7 (13...e5 14.Nf3 ab5 15.ab5 Ra1 16.Qa1=) 14.Bf3 (better is 14.ba6!? ba6 15.Bd3+=) 14...e5 15.Nb3 Nc4 16.Qc2 Nb2 17.Qb2 ab5 (17...e4 18.Be2 ab5 19.Bb5–/+) 18.Nb5 Bb5 (18...Ra4 19.Nd6 cd6 20.Ra4 Ba4 A) 21.Bb7?? Qb6 22.Ra1 Qb3 (22...Qb7?! 23.Ra4 Kg7 24.Qa2+=; 22...Bb3?! 23.Bf3 Rb8 24.Rb1–+) 23.Qb3 Bb3–+; B) 21.d4+=) 19.ab5= Ra1 20.Ra1 e4 21.Be2 Be5 22.Nd4 Bd4 23.Qd4 Qd4 24.ed4 Rd8 25.Ra4 c6 26.bc6 bc6 27.Rc4 Rd6 28.f3 ef3 ½–½. Hal1958 – MasterStefan, playchess.de, 2004.

5.f4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.f4 Bd6).

5.f4 Bd7 6.Nf3 0–0 7.a4 c6 8.c4 dc4 9.Bc4 cb5 10.ab5 a6 11.0–0 Be8 12.Qc2 Nbd7 13.Ng5 h6 14.Nf3 ab5 15.Bb5 Ra1 16.Ba1 Nc5 17.Bc4 Nce4 18.Ne5 Be5 19.fe5 Nd5 20.Qe4 Bc6 21.Qg4 b5 22.Bd3 Nb4 23.Be2 Nc2 24.Bc3 Qg5 25.Qg5 hg5 26.Bd3 b4 27.Bb2 Na3 28.Na3 ba3 29.Ba3 Rd8 30.Bd6 Ra8 31.Rb1 g6 32.Rc1 Kg7 33.Rc6 Ra1 34.Kf2 Rf1 35.Kf1 1–0. jura1946 – franco45, kurnik, 2013.

5.f4 Ne4 6.Bg7 Rg8 7.Bb2 Qh4 8.Ke2 Qf2 9.Kd3 Bd7 10.a4 c5 11.c3 e5 12.Nf3 Bf5 13.Nd4 ed4 14.cd4 c4 15.Kc2 Nd2 16.Kc1 Nb3 17.Qb3 cb3 0–1. jura1946 – princerooker, kurnik, 2013.

5.f4 h6 6.Nf3 Bd7 7.a4 Qe7 8.Ne5 c6 9.c4 c5 10.Be2 0–0 11.0–0 Ne4 12.d3 Nf6 13.Bf3 Be5 14.fe5 Ne8 15.cd5 ed5 16.Bd5 Be6 17.Qf3 Bd5 18.Qd5 a6 19.Nd2 Nd7 20.Qb7 Rb8 21.Qa6 Ne5 22.d4 Nd3 23.Ba3 Nc7 24.Qc6 Ne6 25.d5 Rfc8 26.d6 Qg5 27.Qf3 f6 28.Ne4 Qg6 29.Rad1 Ne5 30.Nf6 gf6 31.Qd5 Re8 32.d7 Re7 33.Bc5 Kf7 34.Be7 Ke7 35.Qd6 Kf7 36.Qb8 Ng5 37.Qe8 Kg7 38.Qg6 Kg6 39.d8Q Ngf3 40.gf3 Nf3 41.Rf3 Kh5 42.Qf6 Kg4 43.Qf5 1–0. lllllll21 – kijka6, kurnik, 2014.

5.g4 Nbd7 6.g5 Ne4 7.Bg7 (better is 7.d3!? Nec5 8.Bg7=) 7...Rg8–/+ 8.Bd4 Qg5 9.Nh3 (9.d3!? e5 10.Bb2–/+) 9...Qh4–+ 10.Nc3? (better is 10.Bb2–+) 10...e5 11.Ne4 (11.Nd5 ed4 12.Qf3–+) 11...de4 (better is 11...Qe4 12.Rg1 Rg1 13.Ng1 ed4–+) 12.Bc3 Nf6 13.Qe2?? (13.Ng1–+) 13...Bh3 14.Bh3 Qh3 15.0–0–0 Rg2 16.Qf1 (16.d4 ed4 17.Bd4 Ng4–+) 16...0–0–0 (16...Qf3 17.Qc4–+) 17.d4 ed4 18.Bd4 b6 (better is 18...Qf3–+) 19.Bf6–/+ Ba3 20.Bb2 Bb2 21.Kb2 Rd1 22.Qd1 Rh2 (22...Qf5 23.Qe2–/+) 23.Rg1 (23.Rh2 Qh2 24.Qg4 Kd8 25.Qe4 Qf2 26.Qd5 Kc8 27.Qa8 Kd7 28.Qc6 Ke7 29.Qc7 Kf6 30.Qd8 Kg6 31.Qg8 Kh6=) 23...Rg2 (23...Qf5 24.Rg8 Kb7 25.a4 Rf2 26.Re8–/+) 24.Rf1 (24.Qf1 Rh2 25.Qd1–/+) 24...Qd7 (24...Qf5!? 25.a4 h5–/+) 25.Qd7=+ Kd7 26.Kc3 h5 27.f4 Rg3 (27...ef3!? 28.Rf3 Rg7–/+) 28.Kd4 f5 (28...Rg2 29.c4=+) 29.Ke5 (better is 29.Rh1!?+=) 29...Re3=+ 30.Kf5 h4 31.c4 (31.Rd1 Ke7=) 31...h3 32.Rh1 (32.Rd1 Ke7 33.Rd2 Rc3=) 32...c6 (32...Kd6!?–/+) 33.bc6 Kc6 34.Kf6 (34.Ke5–/+) 34...Rf3 (34...Kd6 35.Rh2–+) 35.f5? (better is 35.Kf5=) 35...e3 36.Kg6?? (better is 36.Rh2–+) 36...e2 37.Re1 (37.c5 Rf1 38.Rh3 e1Q–+) 37...Rg3 38.Kf7 Rg2 (38...h2 39.f6 Rg1 40.Re2–+) 39.Ke8 h2 40.f6 (40.Kf7–+) 40...Rg1 41.Re2 h1Q 42.Re6 Kc5 43.f7 Qa8 44.Ke7 Rf1 45.Rd6 Rf7! 46.Kf7 Kd6 47.Kf6 Qe4 48.c5 bc5 49.a4 c4 50.a5 c3 51.a6 c2 52.Kg5 c1Q 53.Kf6 Qf1 54.Kg5 Qeg2 0–1. MasterofDisaster – HUGHESRTIM, Live Game Caissa's Web, 2004.

5.g4 e5 6.g5 Ne4 7.h4 c6 8.a4 Bf5 9.Qf3 Bg6 10.d3 Qa5 11.Kd1?? (better is 11.Ke2!? Nc5 12.bc6 Nd3 13.Bc3–/+) 11...Bh5!–+ 12.Qh5 Nf2 13.Ke2 Nh1 14.Qf3 (14.Qg4 cb5 15.Bg2 Qc7–/+) 14...Qb4 15.Ba3 Qa4 16.Qh1 (16.Kd1 Ba3 17.Qh1 Qb5 18.Na3–+) 16...Qc2 17.Nd2 Qc3 18.Bd6 Qa1 19.bc6 bc6 20.Ngf3 Nd7 21.Qh2 e4 22.de4 de4 23.Ne4 Qa2 24.Nfd2 a5 (better is 24...Qb2!?–+) 25.Bh3–/+ Qb2 26.Bd7 (26.Bc7 Qb5 27.Ke1 Qd3 28.Nd6 Ke7+–) 26...Kd7 27.Nc5 Kd8 28.Bc7 (28.Qf4 Ra7–/+) 28...Ke8 29.Qd6 Qb4?? (29...Qb5 30.Ke1 Qc5 31.Qc5 Rc8 32.Qc6 Ke7+–) 30.Kf2 (30.Qc6 Kf8 31.Bd6 Kg8 32.Qa8 Qb8 33.Qb8) 30...a4?? (30...Qh4 31.Ke2 Qh5 32.Nf3 Qg6 33.Qd7 Kf8–/+) 31.Qd7 (31.Qc6 Kf8 32.Bd6 Kg8 33.Qa8 Qb8 34.Qb8) 31...Kf8–/+ 32.Nde4 Qb2 33.Kf3 Qc1?? (better is 33...Kg8 34.Qc6 Rc8=) 34.Ne6 Kg8 (34...fe6 35.Bd6) 35.Nd8 Qf1 (35...Qd1 36.Qd1 h6+–) 36.Nf2 Qf2 37.Kf2 h5 38.Qf7 Kh7 39.g6 Kh6 40.Bf4# 1–0. Szepessy – MEPHISTO,MegaI, 1988.

5.h3 c5 6.bc6 Nc6 7.Bb5 0–0! 8.Bc6 bc6 9.Nf3 Qc7 10.Bf6 gf6 11.d3 f5 12.Nbd2 e5 13.0–0! Kh8 14.Nb3 Rg8 15.Re1 Bb7 16.Kf1 Rg7 17.g3 Rag8 18.Ke2 c5 19.Rg1 Ba6 20.Nh4 Qd7 21.Rg2 c4 22.Nd2 cd3 23.cd3 e4 24.Qb3 Bd3 25.Ke1 Qe6 26.Rc1 Rb8 27.Qc3 Be5 28.Qc7 Bc7 29.Rc7 Rbg8 0–1. wojtekkk – lpadalik, kurnik, 2014.

5.h3 c6 6.a4 0–0 7.Nf3 c5 8.c4 a6 9.Be2 Nbd7 10.0–0 Nb6 11.d3 Qc7 (11...ab5 12.ab5 Ra1 13.Ba1=) 12.Nbd2 (12.Bf6 gf6 13.a5 Nd7+/–) 12...Bd7 (12...Nbd7 13.Qb3=) 13.Nb3 (better is 13.a5!? Nc8 14.Bf6 gf6 15.b6+/–) 13...dc4 14.dc4 Rae8 (better is 14...ab5!? 15.ab5 e5=) 15.a5+/– Nc8 16.Ba3 (better is 16.b6!? Qc6 17.Ne5 Be5 18.Be5+–) 16...e5 17.Nfd2 e4 18.Qc2 Be5 (18...Re6 19.Rad1=) 19.Rab1 (19.Bc5 Ba1 20.Bf8 Be5+/–) 19...Be6 (better is 19...Bh2!? 20.Kh1 Bd6+=) 20.Bc5 Bd6 21.Bd4 Be5 22.Qc3 Bd4 23.Qd4 Rd8 24.Qc3 Ne7 (24...ab5 25.Nd4 Na7 26.Nb5 Nb5 27.Rb5+/–) 25.ba6 ba6 26.Nd4 Nf5 27.Ne6 fe6 28.g4 (28.Rfc1 Rd6+–) 28...Ne7? (28...Nd5!? 29.Qa3 Ng3 30.cd5 Ne2 31.Kg2 ed5=) 29.Qc2 Rd6 30.Ne4 Ne4 31.Qe4 Rfd8? (31...Qa5 32.Rfd1 Rd1 33.Rd1+–) 32.c5! Rd5? (32...Qc5 33.Qb7 Combination) 33.Qe6+– Kh8 34.Bc4 (34.Ba6 Qc5 35.Rb7 Re5+–) 34...Re5? (34...Rc5 35.Ba6 Rc6+–) 35.Qf7 (better is 35.Qb6 Rc5 36.Ba6+–) 35...Ng6?? (35...Rc5 36.Ba6 Nd5 37.Qc7 Nc7 38.Rfd1+–) 36.Rbd1 (better is 36.Qc7 Ree8 37.Rb7 Ne7+–) 36...Rf8 (36...Re7 37.Rd8 Qd8+–) 37.Qc7 Ree8 38.Rd7 Ne5 39.Rg7 Nc4 (39...Nf3 40.Kh1 Ng5 41.Rg5 Re7 42.Qe7 Rf7 43.Qe5 Rf6 44.Qf6) 40.Rh7 Kg8 41.Qg7 1–0. brother – kijka6, kurnik, 2012.

5.h4 Nbd7!? –/+.

5.a4 Bd7

6.d4 Qe7 7.Nd2 0–0 8.Ngf3 Ne4 9.c4 Nd2 10.Nd2 dc4 11.Nc4 Bb4 12.Nd2 c6 13.Bd3 cb5 14.ab5 a6 (14...Qg5!? 15.Qf3 Bb5=) 15.0–0+= Bd6 (15...Rd8 16.ba6 Na6 17.Nc4+=) 16.Ne4 e5? (better is 16...Bb4+/–) 17.Nd6+– Qd6 18.de5 (better is 18.Ba3!? Qe6 19.Bf8 e4 20.ba6 Kf8+–) 18...Qe6 19.Qf3 Bc8 20.Rfc1 Nd7 (20...Rd8 21.Qe4 g6 22.Bd4+–) 21.Be4 (21.Qe4 f5 22.Bc4 fe4 23.Be6 Kh8+–) 21...h6? (21...Ne5 22.Be5 Qe5 23.b6+/–) 22.Bb7 (better is 22.Bd5!? Qb6 23.Bc4+–) 22...Bb7+/– 23.Qb7 Rab8 (23...Rfb8!? 24.Qe4 Qe8 25.Rc7+/–) 24.Qa6 Qb3? (better is 24...Qa6 25.Ra6 Rb5+–) 25.Ba3 Rfd8 26.Be7 Ra8 (26...Re8 27.Rab1 Qd3+–) 27.Qd6 Ra1 28.Ra1 Qb2 29.Rf1 Ra8 30.Qc6 (30.Qd7 Rb8+–) 30...Ra1 (30...Ra7 31.e6 fe6 32.Qe6 Kh8+–) 31.Qd7 Rf1 32.Kf1 Qc1 (32...Qe5 33.h3+–) 33.Ke2 Qc4 (33...Qb2 34.Kf3 Qe5 35.b6+–) 34.Kf3 h5 (34...Qb3+–) 35.b6 Qg4 36.Qg4 hg4 37.Kg4 f6 38.ef6 Kf7 39.b7 1–0. mihai740609 – 1zdz, kurnik, 2013.

6.Nf3= 0–0 7.d4 Ne4 8.Nbd2 Bb4 9.Ba3 Ba3 10.Ra3 Qe7 11.Ra1 Nc3 12.Qc1 c6 (12...Qb4!?=) 13.Qa3+/– Qa3 14.Ra3 Ne4 15.Ne4 de4 16.Ne5 cb5 17.ab5 (worse is 17.Bb5 Bb5 18.ab5 Rc8–/+) 17...Be8 18.c4?? (18.Nc4 Bb5 19.Nb6 Bf1 20.Kf1+/– (20.Na8?! Bg2 21.Rg1 Nc6=)) 18...f6–/+ 19.Ng4 h5 20.Nh6 (20.Nf6 gf6 21.Be2 Bg6–/+) 20...gh6 21.Rg1 Kh7 22.b6 Nc6 (22...a5 23.Kd2–+) 23.Be2 (23.d5!? ed5 24.cd5–+) 23...Bf7 24.ba7 Ra7 25.Ra7 Na7 26.f3 ef3 27.Bf3 Nc6 28.Kf2 White prepares the advance d5 28...Rb8 (28...e5!? 29.d5 Na5 30.c5–+) 29.Rb1–/+ Nd8 30.h3 e5 31.d5 (31.c5!? Bg6 32.Rb6–/+) 31...f5 32.c5? (better is 32.e4 Rc8 33.Rb4 fe4 34.Be4 Bg6 35.Ke3–+) 32...e4 33.Be2 Bd5 34.Bh5 Bc6 35.Rb6 (35.g4 Ne6 36.gf5 Nc5 37.Rg1–+) 35...Ne6 36.Bf7 Nc5 37.g4 (37.Kf1 Ra8–+) 37...fg4 38.hg4 (38.Kg2 Rf8 39.Bh5 gh3 40.Kh3 Rf1–+) 38...Kg7 (better is 38...Rf8 39.Kg3 Rf7 40.Kh4–+) 39.Bh5 Nd3 40.Ke2 Ne5 41.Kd2 Nc4 (41...Nc4 42.Kc3 Nb6–+) 0–1. exterminator1 – luciano210, kurnik, 2013.

6.Nf3 0–0 7.Be2 c6 8.0–0 cb5 9.ab5 b6 10.d4 Qe8 11.Nc3 Bb4 12.Qb1 Bc3 13.Bc3 Qc8 14.Bb4 Re8 15.Bd6 Ne4 16.Be5 Nc3 17.Qe1 Ne2 18.Qe2 f6 19.Bg3 Rf8 20.Rfc1 Be8 21.c4 Nd7 22.cd5 Qb7 23.de6 Nb8 24.Bd6 1–0. surmavlod – topalov100, kurnik, 2013.

5.a4 Nbd7

6.Nf3 0–0 7.Be2 c6 8.d4 Qc7 9.Nbd2 Re8 10.h3 c5 11.c4 cd4 12.ed4 dc4 13.Bc4 Nb6 14.Be2 Nbd5 15.0–0 Bd7 16.Ne5 Rac8 17.Ndf3 Qc2 18.Rb1 Red8 19.Nd7 Nd7 (19...Rd7? 20.Rc1 Qb2 21.Rc8 Bf8 22.Qc2+–) 20.Ne5 Qd1 21.Rfd1 (21.Rbd1? Be5 22.de5 Rc2–+) 21...Nc3 22.Bc3 Rc3 23.Nd7 Rd7 24.Rbc1 Rdc7 25.Rc3 Rc3 26.a5 Kf8 27.a6 b6 (27...ba6 28.ba6 Rc2 29.Kf1=) 28.g3 Ke7 29.Kg2 Kd7 30.Bf3 White plans d5 30...Bb4 31.d5 e5 32.Bg4 Kd6 33.f4 ef4 34.gf4 Bc5 35.Bf3 (35.Be2!?=) 35...Rc2+= 36.Kg3 f5 37.Rf1 Rb2 38.Kh4 Rb5 39.Kg5 g6 40.Re1 (40.Kh6!? Ke7 41.Kg7+=) 40...Rb3–/+ 41.Re6? (better is 41.Rf1–/+) 41...Kd7–+ 42.Be2 Rh3 43.Bb5 Kc7 44.Rc6 Kd8 45.d6 Bd4 46.Rc7 Rh5 0–1. typ48 – maubecjpa, kurnik, 2013.

6.Nf3 0–0 7.Be2 e5 8.c4 (8.0–0 Re8=+) 8...e4 9.Nd4 dc4 10.Na3 Ne5 11.Nc4 Nc4 12.Bc4 Ng4 13.f4 ef3 14.Nf3 (14.gf3? Qh4 15.Ke2 Qf2 16.Kd3 Ne5 17.Kc3 Nc4 18.Kc4 Be5–/+) 14...Bh2 15.Qc2 (15.Nh2 Qh4) 15...Bg3?? (15...Qd6 A) 16.Nh2? Qg3 (< 16...Nh2 17.0–0–0+/–) 17.Kd1 Nf2 (17...Nh2 18.Qc3+/–) 18.Kc1 Nh1–+; B) 16.Kf1 Qg3 17.Ke2 Qg2 18.Kd3 Bf5 19.Kc3 Bc2 20.Nh2–+) 16.Ke2?? (16.Kf1 h6=+) 16...h6?? (better is 16...Nh6–/+) 17.Qg6+– Nf6 18.Rh6 Bf5 19.Qg3 (19.Qf5 Qc8 20.Rah1 Bh4 21.R1h4 gh6 22.Qg6 Kh8 23.Bf6) 19...Ng4 20.Rh4 (20.Rh5 Qd7+–) 20...Nf6 (20...Qd6 21.Qh3 Nh6 22.Rh6 Bh3 23.Rd6 cd6 24.gh3 Rfc8+–) 21.Rah1 Bh7 (21...Bd3 22.Bd3 Qd3 23.Kd3 Rfd8 24.Ke2 Rd2 25.Nd2 Kf8 26.Ba3 Ke8 27.Qc7 Nd7 28.Rh8 Nf8 29.Rf8) 22.Rh7! (22…Qd2 23.Nd2 Nh5 24.Qg7 Ng7 25.Rg7#) 1–0. Metzger,D – Dischinger,Frank (2280), Mainz–ch, 1995.

5.a4 e5

6.c4 0–0 7.cd5 Nd5 8.Nc3 Nc3 9.Bc3 Nd7 (9...a6 10.d4 e4 11.Qc2=+) 10.Qc2 Re8 11.Bd3 Qh4 (11...Nf6 12.Bc4=+) 12.Nf3 Qh5 13.Be2 (13.Rc1 Nc5 14.Be2 e4=+) 13...e4 14.Nd4 Qg6 15.0–0 Ne5 16.f4 Bh3 17.Rf2 Ng4 18.Bg4 Bg4 (18...Qg4? 19.Kf1+–) 19.Rb1 Rac8 20.Bb4 Bd7 (20...a6 21.ba6 ba6 22.Bd6 cd6 23.Qb3=+) 21.Qb3= a6 22.f5 Qf6 23.Bd6 cd6 24.Qd5 Rb8 (24...Rc7 25.ba6 ba6 26.Rb6=) 25.ba6 ba6 26.Rb8 Rb8 27.Qe4 Ba4 28.Rf1 h6 29.Nc6 (29.Ra1 Bb5=) 29...Bc6 30.Qc6 a5 (30...Rb2 31.d4 Qg5 32.Qf3=) 31.Qa4 Qe5 32.f6 g6 33.Qh4 h5 (33...Kh7 34.Qc4 Qe6 35.Qc7=) 34.Qa4 (34.Qc4 Re8+=) 34...Qd5= 35.Qc2 Kh7 36.Ra1 Rb4 37.h3 Kh6 38.Qc3 Kg5 39.Kh1 h4 40.Kg1 Kh6 41.Kh1 Qf5 42.Qc7 Qe5 43.d4 Qf6 44.Qa5 Rb2 45.Rg1 Kg7 46.Qa1 Rf2 47.Qe1 d5 48.Qc1 Qf5 49.Qb1 Kf6 50.Qc1 Qe4 51.Qe1 Rb2 52.Qa1 Rc2 53.Rf1 Kg5 54.Rf3= Qd3 55.Qf1? Qf1 56.Rf1=+ f5 57.Kg1 Rc3 58.Rf3 Ra3 59.Kf2 Kf6 60.Ke2 Ra2 61.Kf1 g5 62.Kg1 Kg6 63.g4 Ra1 64.Kg2 fg4 65.hg4 Ra2 66.Kg1 Ra3 67.Kf2 Ra6 68.Rh3 Kf7 69.Rh1=+ Rb6 70.Ra1 Rf6 71.Ke2 Re6 72.Rf1 Rf6 73.Ra1=+ Kg7 74.Ra5 h3 75.Ra7= Kg6 76.Ra1 Rc6 77.Kf3 Rc2 78.Rh1 h2 79.Kg3 Re2 80.Kf3 Rc2 81.Kg3 Re2 82.Kf3 Rc2 83.Kg3 ½–½. Maetz,Erich – Fessler,Rainer, BdF, 2000.

6.Nf3 e4 7.Nd4 =+.

5.a4 Qe7

6.Na3 Bd7 7.c4 0–0 8.cd5 Nd5 9.Nf3 f6 10.Nc4 c6 11.Nd6 Qd6 12.Ba3 Qc7 13.Bf8 Kf8 14.g3 Ne7 15.Bg2 Ng6 16.d4 Be8 17.Qb3 Qe7 18.0–0 Nd7 19.Rfc1 c5 20.Qa3 b6 21.dc5 bc5 22.a5 Rb8 23.Qd3 Kg8 24.Rab1 e5 25.Qb3 Bf7 26.Qa3 e4 27.Nd2 f5 28.Nc4 Nge5 29.Ne5 Ne5 30.b6 ab6 31.ab6 Nf3 32.Kh1 Qf6 33.Qc5 Qh6 34.h3 Qg5 35.Qc7 Rf8 36.b7 f4 37.Qf4 1–0. ateistawolnyx – lukaszn1978 (1780), kurnik, 2014.

6.Nf3 Nbd7 7.Be2 b6 (7...0–0 8.Nc3+=) 8.c4 dc4 9.Bc4 Bb7 10.0–0 Ng4 11.h3 Ngf6 12.Nc3 Bb4 13.Na2 Ba5 14.Qb3 (14.Rc1 0–0+=) 14...Nc5 (14...Bf3!? 15.gf3 Bd2+=) 15.Qc2= Bf3 16.gf3 Nd5 17.f4 (17.Bg7? Rg8–+) 17...g5?? (better is 17...Qh4 18.Kh2 Nf6+=) 18.Bh8+– f6 (18...gf4 19.d4 0–0–0 20.Qh7 Qg5 21.Kh2 fe3 22.Be5+– (22.dc5 Qf4 23.Kg2 Qc4 24.cb6 e2+–)) 19.Bd5 ed5 20.Nc3 (better is 20.fg5 fg5 21.Bc3 Qe4 22.Qe4 de4 23.Ba5 ba5+–) 20...0–0–0 21.Nd5! Rd5 22.d4 Ne4 23.Qc6 Rd6 24.Qa8 Kd7 25.Rac1 gf4 26.Qe4?? Qe4–+ 27.ef4 Qf4 28.Rc2 Qg5 29.Kh2 Qg8 30.Rfc1 Qh8 31.Rc7 Ke6 32.Re1 Kd5 33.Ra7 f5 34.Re5 Qe5! 35.de5 Ke5 36.Rh7 Rd4 37.Re7 Kf4 38.Re3 Ra4 39.Rb3 Rb4 40.Rb4 Bb4 41.h4 Bc3 42.Kh3 Kf3 0–1. chybol3 – simeenge, kurnik, 2013.

6.Nf3 h6 7.Be2 Nbd7 8.0–0 Nc5 9.d4 Nce4 10.Nbd2 Bd7 11.c4 Bb4 12.Ne4 de4 13.Nd2 Bd2 14.Qd2 0–0? (better is 14...a6+/–) 15.Ba3+– Qe8 16.Bf8 Qf8 17.Rfb1 c6 18.Qb4 Qc8 19.Rc1 a5 20.ba6! ba6 (20...Ra6 21.c5 Decoy; 20...ba6 21.Qd6 Combination) 21.Rab1 Be8 (21...c5 22.dc5 Qe8 23.a5+–) 22.Qb7 Qd8 23.Qb6 Qc8 24.c5 Nd7 25.Qb3 e5 26.Qc2 ed4 27.ed4 Nf6 28.Bf1 Nd5? (28...Bd7 29.Bc4+–) 29.g3 (better is 29.Qe4 Bd7 30.Bd3 g6+–) 29...Qe6 Black prepares e3 30.Bg2 e3 (30...f5 31.Rb7+–) 31.Bd5 Qd5 (31...ef2 32.Qf2 Qd5+–) 32.fe3 Bd7 33.Qg2 Qf5 34.Rf1 Qg6 35.Qf2 Be6 36.Rb6 Bc4 (36...Re8 37.Qf3 Bd5 38.Qf5 Qf5 39.Rf5 Re3 40.Ra6+–) 37.Qf5 Bf1 38.Qg6 (38.Qf1?! Re8 39.Qe2 a5+/–) 38...fg6 39.Kf1 Rf8 40.Ke2 Rc8 41.Ra6 Kf7 42.Rb6 Ke7 43.a5 Kd7 44.a6 g5 45.Rb7 Kd8 46.a7 h5 47.Rg7 h4 48.Rg8 Kc7 49.Rc8 Kc8 50.a8Q Kd7 51.Qg8 Ke7 52.gh4 Kd7 53.Qg5 Kc8 54.h5 Kb7 55.Qg6 Ka6 56.h6 Kb5 57.h7 Kc4 58.Qc6 Kc3 59.h8Q Kb3 60.d5 Kc4 61.d6 Kb3 62.d7 Kc4 63.Qb6 1–0. alfons78 – kijka6, kurnik, 2013.

6.h3 e5 7.Be2 e4 8.d3 Bb4 9.Nd2 ed3 (9...0–0 10.Rb1+=) 10.Bd3 0–0 11.Ne2 c5 12.c3 Ba5 13.0–0 c4 14.Bc2 Be6 (better is 14...Nbd7=) 15.Ba3+– Qd7 16.Bf8 Kf8 17.Nd4 (17.Nf3 Kg8+–) 17...a6? (17...Bc3!? 18.Rb1 Bd4 19.ed4 Qd6+=) 18.Ra3 ab5 (18...Qd6!? 19.Qc1 ab5 20.Nb5 Qe7+/–) 19.ab5+– b6 20.Qa1 Qe7 21.N2f3 Nbd7 (better is 21...Kg8+–) 22.Nc6 (22.Ne6?! fe6 23.Nd4 Nb8+–) 22...Qd6 23.Na5 ba5 24.Ra5 Ra5 25.Qa5 g6 26.Nd4 Ne4 (26...Nb6+–) 27.Be4 (worse is 27.Ne6 Qe6 28.Be4 de4 29.Qd8 Kg7+–) 27...de4 28.Ra1 (28.Rd1 Qe7+–) 28...Nc5 (28...Nb6 29.Ne6 fe6 30.Qa7+–) 29.Qa8 Kg7 30.Ne6 (better is 30.Qc6!? Qc6 31.bc6 Kf6+–) 30...Qe6 31.Qc6 Qf5 (31...Qe5+–) 32.b6 Nd3 33.Ra2 Nc1 34.Rb2 Nb3 35.Qc4 Nc5 36.b7 Nb7 37.Rb7 Qf6 38.Qd4 Qd4 39.ed4 Kf6 40.Rd7 Ke6 41.Rd8 h5 42.c4 White intends d5 42...Ke7 43.Rd5 Ke6 44.Rg5 Kf6 45.Ra5 Ke6 46.d5 Kd6 47.Ra6 Kd7 48.c5 f5 49.d6 f4 50.Ra7 Kd8 51.Rg7 e3 52.fe3 fe3 53.Kf1 e2 54.Ke2 g5 55.c6 g4 56.c7 Kc8 57.Rg8 Kd7 58.c8Q Kd6 59.Rd8 Ke7 60.Qd7 Kf6 61.Re8 Kg6 62.Qe6 Kg5 0–1. riditko – rur2000, kurnik, 2013.

5.c4 b6

6.d3 Bb7 7.Nf3 0–0 8.Nbd2 c5 9.Be2 Nbd7 10.0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d3 Bb7 10.Nbd2).

6.Nf3 0–0 7.d4 Ne4 8.Bd3 Bb4 9.Nbd2 Bd2 10.Nd2 Nd2 11.Qd2 Bb7 12.0–0 f5 13.Rfe1 Qg5 14.cd5 Bd5 15.f3? Bf3 16.Rf1 Bd5 17.Bc3 Bg2 18.Qg2 Qe3 19.Kh1 Nd7 20.Rf3 Qh6 21.Bd2 f4 22.Rh3 f3 23.Rf3 Qh4 24.Rh3 Qd4 25.Bh7 1–0. Hasler – Hradecky, corr 1964.

5.c4 c5

(--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 Bd6).

6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4).

6.Nf3 0–0 7.Be2 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0).

6.Nf3 Nbd7 7.Be2 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0).

6.Nf3 Nbd7 7.Be2 0–0 8.0–0 b6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6).

5.c4 Bd7

6.cd5 ed5 7.Nf3 0–0 8.Be2 c6 9.a4 a6 10.Qb3 Be6 11.d4 Nbd7 12.0–0 c5 13.h3 c4 14.Qa2 ab5 15.Nc3 b4 16.Nb5 b3 17.Qb1 Bb8 18.Ba3 Re8 19.Bb4 Ne4 20.Nd2 f5 21.Ne4 fe4 22.f4 ef3 23.Bf3 Qg5 24.Bd2 Qg3 25.Nc3 Nf6 26.Bg4 Ng4 27.hg4 Qh2 28.Kf2 Rf8 29.Ke1 Bg3 30.Ke2 Bg4 31.Rf3 Qg2 32.Kd1 0–1. olawoj – malasarte, kurnik, 2013.

6.Nf3 h6 7.Nc3 0–0 8.a4 Re8 9.d4 g5 10.c5 Bf8 11.Ne5 Bg7 12.Bd3 c6 13.Bc2 Nh5 14.Qd3 Be5 15.Qh7 Kf8 16.de5 Ng7 17.Qh6 cb5 18.ab5 a6 19.0–0 Qe7 20.Qh8 1–0. bauska18 – tabasevic, kurnik, 2014.

5.d4 a6

6.a4 Bd7 7.c4 ab5 8.cb5 c6 9.Nf3 cb5 10.ab5 Ra1 11.Ba1 Ne4 12.Bd3 (better is 12.Qa4!?+=) 12...Qa5–+ 13.Nfd2? (better is 13.Nbd2 Bb4 14.Bb2–+) 13...Qa1 14.0–0 Qa5 15.Ne4 de4 16.Be4 0–0 17.Bb7 (17.Qh5 g6 18.Qh6–+) 17...Bb5 (17...Qb5?! 18.Be4–+) 18.Qb3 (18.Re1 Bb4 19.Re2 Be2 20.Qe2 e5 21.de5 Qe5–+) 18...Bf1 19.Kf1 Nd7 20.g3 Rb8 21.Nc3 (21.Qc4 Qa1 22.Be4 Nf6–+) 21...Qa7 22.Qb5 Rb7 23.Qc6 Bf8 24.Ne4 Rc7 25.Qb5 Qb7 (better is 25...Qa8!? 26.d5–+) 26.Qa4 Qe4 (26...Qe4 27.Qd1 Rc1 28.Qc1 Qh1 29.Ke2 Qc1–+) 0–1. popovicigelu (1620) – leny5, kurnik, 2012.

6.a4 Bd7 7.c4 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Qb3 cb5 12.Bb5?? (better is 12.Bd3–/+) 12...Qa5–+ 13.Bc3 Qb5 14.Qb5 Bb5 15.Nf3 0–0 16.Kd2 (16.Ne5 Be5 17.de5 Ne4–+) 16...Nc6 (better is 16...Ne4!? 17.Kc1 Rc8 18.Kb2 Nf2 19.Rg1–+) 17.Rc1 Ne4 18.Kc2 (18.Ke1 Bd3 19.Nbd2 Ra8–+) 18...Nf2 19.Be1 Ne4 20.Nc3 Nb4 21.Kb3 Nc3 22.Bc3 Nd5 23.Bd2 f5 24.Ng5 Bd7 25.e4 fe4 26.Ne4 Bh2 27.Nc5 Bc8 28.Ne4 Bf4 29.Bf4 Nf4 30.Nd6 Bd7 31.Rc7 Bc6 32.Nb7 Bb7 33.Rb7 Ng2 34.Re7 Nf4 35.Kb4 h5 36.Kc5 h4 37.Kd6 h3 38.Ra7 g5 39.Ke5 g4 40.Ra6 h2 41.Ra1 g3 42.Rh1 g2 43.Rh2 g1Q 44.Rh6 Qe3 45.Kd6 Qd4 46.Kc6 Rc8 47.Kb7 Qd7 48.Kb6 Rc6 49.Kb5 Qd5 50.Kb4 Rc4 0–1. popovicigelu – cze66 (1790), kurnik, 2012.

6.c4 ab5 7.cb5 0–0 8.a4 Re8 9.Nf3 Nbd7 10.Bd3 c6 11.Nc3 Nf8 12.0–0 Ng6 13.Qb3 cb5 14.ab5 Ra1 15.Ra1 Qc7 16.b6 Qb8 17.Nb5 Bd7 18.Nd6 Qd6 19.Ra7 Bc6 20.Bg6 hg6 21.Ne5 Ne4 22.Nc6 (better is 22.f3!? Nf6 23.Qa3+–) 22...Qc6= 23.g3 g5 24.Ba3 f5 25.Bc5 f4 26.Qa3 Nd2 27.Ra8 fe3 28.fe3 Nf3 29.Kf2 g4 30.h3 e5 (30...gh3 31.Re8 Double attack (31.Kf3 Deflection)) 31.de5 (31.hg4 e4+=) 31...Ne5 32.Re8 Qe8 33.hg4 Ng4 34.Ke2 Qb5 35.Kf3?? (better is 35.Kd2+=) 35...Ne5–+ 36.Kf2 Nd3 37.Kf3 Nc5 (worse is 37...Qc5 38.Qd3 Qb6 39.Qd5 Kf8 40.e4=) 0–1. popovicigelu (1605) – zaslaby, kurnik, 2012.

6.c4 dc4 7.Bc4 ab5 8.Bb5 Bd7 9.Bd7 Nbd7 10.Ne2 0–0 11.0–0 e5 12.de5 Be5 13.Be5 Ne5 14.Nd4 Qd5 15.Nc3 Qc4 16.Qb3 Qb3 17.ab3 c5 18.Nf5 g6 19.Nd6 b6 20.Ncb5 Nc6 21.h3 Nd5 22.Rfd1 Ncb4 23.e4 Nf4 24.Nc4 Nc2 25.Ra8 Ra8 26.Nb6 Rb8 27.Rc1?? (better is 27.Rd6 Na1 28.Nc3=) 27...Ne2–+ 28.Kh2 Nc1 (28...Rb6?! 29.Rc2 Rb5 30.Re2 Rb3 31.Rc2=) 0–1. popovicigelu – raku2089, kurnik, 2012.

5.d4 c5

6.Nc3 cd4 7.ed4 Qc7 8.Nge2 Bh2 9.g3 Ng4 10.Nf4 h5 11.Rb1 Qe7 12.Bh3 Qg5 13.Qe2 Kd8 14.Bc1 Qf6 15.Be3 g6 16.Bg4 hg4 17.Qg4 e5 18.Nfd5 Bg4 19.Nf6 Bf3 20.Rf1 Bg2? 21.Ng4?? Bf1 22.Ne5 Ke7 23.Nd5 Kd6 24.Nb6 ab6 25.Nf7 Kc7 26.Nh8 Bg2 27.Bf4 Kc8 28.Rb2 g5 29.Bg5 Bd5 30.Ng6 Ra2 31.Ra2 Ba2 32.Kf1 Bc4 33.Kg2 Bg3 34.Kg3 Bb5 35.f4 Nc6 36.c3 Bd3 37.Ne5 Ne5 38.fe5 Bc4 39.Kf4 Kd7 40.Kf5 Be6 41.Kf6 b5 42.Bf4 b6 43.Be3 Bd5 44.Kf5 Be6 45.Kf6?? Bd5 46.Kf5?? Be6= 47.Kf6?? (Better is 47.Ke4 Kc6 48.Bc1+–) ½–½. Bestia02c – GLChess207e, computer chess game, 2000.

6.c4 b6 7.Nf3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.Be2 Nbd7 12.0–0 Re8 13.Nbd2 Bb7 14.Qb3 Qc7 15.Rc1 e5 16.de5 Ne5 17.Ne5 Be5 18.Be5 Qe5 19.Qc3? (better is 19.Bf3!?=) 19...d4–/+ 20.Qb2 h5 21.Bf3 Ne4 (better is 21...de3!? 22.Qe5 Re5 23.fe3 Bf3 (23...Re3? 24.Bb7 Kh7 25.Ra1+–) 24.Nf3 Re3–/+) 22.Be4 Be4 23.Ne4 Qe4 24.Re1 h4 25.h3 f5 26.Qd2 f4! 27.Kf1 (27.ef4 Qe1 Double attack (27...Qe1 Pinning; 27...Qe1 Deflection)) 27...f3 28.gf3 Qf3 29.Kg1 Qh3 30.ed4 Qg4 31.Kf1?? (better is 31.Kh2 Re1 32.Qe1 cd4 33.Qe5–/+) 31...Re1 32.Ke1 Qe4 (better is 32...h3 33.dc5 Qe4 34.Qe2 Qe2 35.Ke2 h2 36.cb6 h1Q–+) 33.Qe3= Qb1 34.Ke2 Qc2 35.Kf3 Qc4 36.Qe8 Kh7 37.Qe4 Kh6?? 38.Qh4 Kg6+= 39.Qe4 Kf7 40.d5 Qb3 41.Kg2 Qb5 42.Qe6 Kf8 43.d6 Qc6 44.f3 c4?? 45.Qe7+– Kg8 46.d7 c3 47.d8Q 1–0. popovicigelu (1605) – 2011shadow (1625), kurnik, 2012.

5.d4 Nbd7

6.c4 dc4 7.Bc4 0–0 8.Nf3 Nb6 9.Bd3 Bb4 10.Bc3 Qe7 11.0–0 Nbd5 12.Bb4 Qb4 13.a3 Qd6? (13...Qa5 14.Ne5+=) 14.Ne5?? (better is 14.e4+–) 14...Bd7+= 15.Qb3 Rac8 16.Nc3 Nc3 17.Qc3 c6 18.Qb3 cb5 19.Bb5 Bb5 20.Qb5 b6 21.Rac1 Nd5 22.Rc6 Rc6 23.Qc6 Qc6 24.Nc6+= a6 25.e4 Nc3 26.f3 Nb5 27.a4 Nc3 28.a5 ba5 29.Na5 Nb5 30.Nc6+= f6 31.Ra1 Ra8 32.Ra5 Kf7 33.d5 ed5 34.ed5 Ke8 35.Nb4 The isolani on a6 becomes a target 35...Nc7 36.d6+/– Nb5 37.Na6 Kd7?? 38.Rb5 Ra6+/– 39.Rb7 Kd6 40.Rg7 h5 41.Rh7 Ra5 42.Rh6 Ke5?? 43.Rh5+– f5 44.g4 Ra1 45.Kg2 Kf4 46.Rf5 Ke3 47.h4 Ra2 48.Kg3 Ra1 49.h5 Rh1 50.Re5 Kd4 51.Re4 Kd5 52.Kf4 Rf1 53.h6 Rh1 54.g5 Kd6 55.Kf5 Kd7 56.f4 Kd6 57.Kg6 Kd5 58.Re5 Kd4 59.h7 Kd3 60.Kg7 Kd4 61.h8Q Re1 62.Qd8 Kc3 63.Re1 Kc4 64.Rc1 Kb3 65.Qb6 1–0. popovicigelu – thorgal25 (1655), kurnik, 2013.

6.Bd3 e5 7.de5 Ne5 8.Nf3 Bg4 9.Be2 Nc4 10.Bc4 dc4 11.h3 Bh5 12.g4 Bg6 13.0–0 Qd7 14.Bf6 gf6 15.Nh4 (better is 15.Qd4!?+=) 15...0–0–0–+ 16.Nc3 f5 17.gf5? (better is 17.Qd4 Qe6 18.f4–/+) 17...Bf5 18.Nf5 (18.Qf3 Bh3 19.b6 cb6 20.Rfe1 Rhg8 21.Kh1–+) 18...Qf5 19.f3 (19.f4 Qh3 20.Kf2–+) 19...Qh3 20.Kf2 (20.Qd6 Rd6 21.Ne4 Rd2 22.Nd2 Qg3 23.Kh1 Qh4 24.Kg2 Rg8) 20...Bg3 21.Ke2 Qg2 0–1. popovicigelu – lopatak, kurnik, 2012.

6.Nf3 0–0 7.Be2 Qe7 8.0–0 Nb6 9.a4 Bd7 10.Nbd2 Rad8 11.a5 Nc8 12.c4 dc4 13.Bc4 c6 14.Qb3 cb5 15.Bb5 Nd5 16.Ne4 Bb8 (16...Bb5 17.Qb5 Bb4 18.Rfc1=) 17.Rac1 Nd6 18.Nd6 Qd6?? (better is 18...Bd6 19.Bc4 Nb4+=) 19.Ba3+– (19.Ba3 Qa3 20.Qa3 Bb5 21.Rfe1+–) 1–0. popovicigelu – suntbeat (1685), kurnik, 2012.

5.Be2 0–0

6.c4 a6 7.a4 Bd7 8.Nf3 ab5 9.cb5 c6 10.0–0 c5 11.Ne5 Re8 12.d4 cd4 13.Qd4 b6 14.Bf3 Bc5 15.Qh4 Qe7 16.Nd2 Bd6 17.Be2 Rc8 18.Bd3 Rc5? (better is 18...h6!?+=) 19.Ndf3 Be8 20.Bd4 Rc8 21.Bb6 Rc3 22.Rfd1 Nbd7 (22...h6 23.Qd4 Rb3 24.Bc2+–) 23.Bd4 Rc7 (23...Rd3 24.Rd3 (24.Nd3?! e5+–) 24...Ne5 25.Ne5+– (worse is 25.Be5 Be5 26.Ne5 Bb5+–)) 24.Nd7 Rd7 25.Bf6 (25.Bf6 Qf6 26.Bh7 Kf8 27.Qf6 gf6 28.Bc2+–) 1–0. AsceticKingK9 – pieeater, ChessWorld.net, 2012.

6.Nf3 a6 =+.

6.f4 c6 7.a4 Nbd7 8.Nf3 Ne4 (8...cb5 9.ab5 a5 10.0–0=) 9.0–0= Qb6 (9...cb5 10.d3 Nef6 11.ab5=) 10.Kh1 (10.a5 Qc7=) 10...a6 (10...cb5 11.Bd4 Bc5 12.ab5=) 11.c4 (11.a5 Qc7 12.d3 Nef6+=) 11...ab5=+ 12.ab5 Ra1 13.Ba1 Qa5 (13...dc4 14.Qc2 Ndf6 15.bc6 Qc6 16.Bd4=+) 14.Nc3= Ndc5 15.Qc2 Nf2 16.Kg1 Ng4 17.Ng5 Nf6 18.Bb2 (18.Nd5!? cd5 19.Bf6+/–) 18...h6 (18...dc4 19.Bc4 Qb4 20.d3+=) 19.Nf3 Bd7 20.Ne5 cb5 (20...Qc7 21.cd5 cd5 22.Nd7 Qd7 23.Na4=) 21.Nd7 Ncd7 22.Nb5 Bc5 23.d4 dc4 (23...Bb4 24.Ra1 Qb6 25.Qb3+/–) 24.Bc4+/– (< 24.dc5 Qb5 25.Bf6 gf6=; 24.Qc4 Qd2 25.Bc1 Qb4 26.dc5 Qc4 27.Bc4 Nc5+–) 24...Be7 25.Bd3 (25.f5 ef5 26.Qf5 Qd2+/–) 25...Nd5 26.Rf3?? (26.e4 Ne3 27.Bc3–/+) 26...Qe1–/+ 27.Bf1 N7b6 (better is 27...Ne3!? 28.Qe2 Qe2 29.Be2 Nd5–/+) 28.e4 (28.Qe2 Qe2 29.Be2 Rc8=+) 28...Rc8 29.Qf2 Qf2 (29...Qe4 30.Bd3 Qf3 31.Qf3 Na4+–) 30.Rf2= Ne3 31.Rf3 Rc2 32.Re3 Rb2 33.g3 Kf8 (33...Ra2 34.Rc3 Kh7 35.Rc7+–) 34.Rc3= f5 35.e5 (35.ef5!? ef5 36.Rc7+/–) 35...Nd5= 36.Rc8 Kf7 37.Nd6 Bd6 (37...Kg6 38.Re8 Rb1 39.Kf2 Rb2 40.Be2=) 38.ed6+= Nb6 (38...Nf6!?+=) 39.Rc7+/– Kf6 40.Rb7 (40...Na4 41.d7+–) 1–0. Psion – Psion, 15 sec/Zug, 1991.

5.Be2 Bd7

6.a4 a6 7.c4 (7.Nf3 b6=) 7...c6 (7...dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1=+) 8.Nc3 ab5 9.ab5 Ra1 10.Ba1 (10.Qa1 dc4 11.Bc4 Qb6=+) 10...0–0=+ 11.cd5 cd5 12.Nf3 Qc7 (12...e5 13.0–0=) 13.h3 (13.Qb3 Rc8=) 13...Bc8 (13...Rc8 14.0–0=+) 14.0–0= Nbd7 (14...e5 15.Qb3 Be6 16.Ng5=) 15.d4 (15.Qc2 e5=) 15...Nb6 16.Nd2 (16.Qb1 Bd7=) 16...Bb4 (16...Qe7 17.e4 de4 18.Nde4 Ne4 19.Ne4=) 17.Qb3 Ba5 (17...Be7!?=) 18.Bb2 Bd7 19.Rc1 Qb8 20.Ba3 Rc8 21.Bc5 Be8 22.Qa3 Qa8 23.Ra1+/– Bc3 24.Qc3 Qb8 25.Qa5 Nbd7 26.b6 Nc5+= 27.dc5 Qe5 28.Ra2 d4 29.Nf3 Qc5 30.Qc5 Rc5=+ 31.Nd4 Rc1 32.Kh2 Rb1 33.Bf3 Rb6 34.Ra7 e5–/+ 35.Nf5 e4 36.Bd1 g6 37.Nd4 Rb1 38.Be2 b5 39.Rb7=+ b4 40.Rb8 Kg7 41.g4 g5 42.Bb5 Bb5 43.Rb5 h6 44.Rb7 h5 45.Nf5 Kg6 46.Ne7 Kh7=+ 47.gh5 Nh5 48.Nd5 Rb2 49.Kg1 b3–/+ 50.Rf7 Kg6 51.Rb7 Rd2 52.Rb6+= Kf7 53.Nc3+/– b2 54.Kg2 Nf6?? 55.Rf6!+– Kf6 56.Ne4 Ke5 57.Nd2 Kd5 58.f3 Kc5 59.Kf2 Kd5 60.Ke2 Kc5 61.Kd3 Kd5 62.Kc2 b1Q 63.Kb1 Ke5 64.Kc2 Kd5 65.Kc3 (65...Ke6 66.Ne4+–) 1–0. Pitropakis,Kyriakos – Baekelant,Eva (1985), Charleroi BEL, 2006.

6.Bf3 Bb5 7.d3 a5 8.a4 Ba6 9.Ne2 e5 10.0–0! Nbd7 11.Ng3 0–0! 12.Nd2 g6 13.h3 e4 14.Be2 ed3 15.Bd3 Be5 16.Be5 Ne5 17.Ba6 Ra6 18.Nb3 Rd6 19.Nd4 c5 20.Nb5 Rc6 21.c3 c4 22.Nd4 Rd6 23.Qc2 Nd3 24.Rfb1 b6 25.Nb5 Rc6 26.Ne2 Ne4 27.Ned4 Rf6 28.f3 Nec5 29.Rd1 Qb8 30.f4 g5 31.Qe2 gf4 32.Qg4 Rg6 33.Qf3 fe3 34.Qe3 Rg3 35.Nf3 Qf4 36.Qf4 Nf4 37.Nbd4 Ne4 38.Nf5 Rg6 39.Ne7 Kg7 40.Ng6 fg6 41.Ra3 Ne2 42.Kh2 N2c3 43.Re1 Rf5 44.Nd4 Rf2 45.Ne6 Kf6 46.Nd4 h5 47.Raa1 g5 48.Rf1 Rf1 49.Rf1 Ke5 50.Nf3 Kf4 51.Ng5 Kg5 52.h4 1–0. wojtekkk – skoja (1615), kurnik, 2014.

6.Nf3 c6 7.a4 0–0 8.0–0 e5 (8...a6 9.ba6 Na6 10.Be5 Be5 11.Ne5=) 9.d3 (better is 9.Ne5!? Bf5 10.f4+/–) 9...Qe7 10.bc6 Re8?? (better is 10...Nc6 11.Nbd2 Rac8+=) 11.cd7 (better is 11.cb7 Nc6 12.ba8R Ra8+–) 11...Qd7 12.c4 e4 13.de4 de4 14.Ng5 Nc6 (14...Qc7 15.Kh1+–) 15.c5! Be5 (15...Bc5 16.Qd7 Combination) 16.Qd7 Nd7 17.Be5 Nde5?? (17...Re5 18.Rd1 Nf6+–) 18.f4 (better is 18.Ne4 b6 19.Nd6+–) 18...ef3 19.Bf3 Nf3 20.Nf3 Re3 21.Nbd2 Rd8 22.Nc4 Re2 23.Nd6 b6 24.Ng5 f6 25.Nge4 bc5 26.Nb7?? (better is 26.Rac1+–) 26...Re4= 27.Nd8 Nd8 28.Rac1 Ne6 29.g3 c4 30.Rfe1+= Re1 31.Re1 Kf7 32.Re4 c3 33.Rc4 Ke7 34.Rc3 g6? 35.Kf2 Kd6+/– 36.Rd3 Kc5 37.Rd7+– h5 38.Ra7 Nd4 39.Ke3 Nc2 40.Kd2 Nb4 41.a5 Nc6 42.Ra6 Kb5 43.Ra8 Na5 44.Rf8 Nc4 45.Kd3 Ne5 46.Ke4 Ng4 47.h3 Nf2 48.Kf3 Nh3 49.Rf6 Ng5 50.Kf4 Nh3 51.Kf3 Ng5 52.Kg2 Ne4 53.Rg6 Kc5 54.Rh6 Kd5 55.Rh5 Kd4 56.Kf3 Nf6 57.Rh4 Ke5 58.g4 Nd5 59.g5 Ke6 60.Re4 Kf7 61.Re5 Nb6 62.Kg4 Nc8 63.Rc5 Nd6 64.Rc7 Kf8 65.g6 Ne4 66.Kf5 Nd6+– 67.Ke6 Ne8 68.Rf7 Kg8 69.Re7 (69.Re7 Ng7 70.Kf6 Nh5 71.Kg5+–) 1–0. blaugrana18 – areczek25, kurnik, 2012.

5.Be2 Nbd7

6.Bf3 0–0! 7.h3 h6 8.Ne2 e5 9.Ng3 e4 10.Bg4 Ng4 11.Qg4 Nf6 12.Qd1 Qe7 13.d3 Bd7 14.a4 Rad8 15.Nd2 Bg3 16.fg3 Qd6 17.Bf6 Qg3 18.Kf1 gf6 19.de4 Kh8 20.Qf3 Qg6 21.Kg1 Rg8 22.Kh2 de4 23.Ne4 f5 24.Ng3 c6 25.Rhf1 cb5 26.e4 f4 27.Qf4 Be6 28.ab5 Rd4 29.c3 Rd3 30.Ra7 Rg3 31.Rf2 Rg2 32.Rg2 Qg2 0–1. wojtekkk – 3dprinter, kurnik, 2014.

6.Bf3 c5 7.a4 b6 8.d3 Bb7 9.Ne2 Qc7 10.Ng3 Ne5 11.Be2 Rc8 12.c3 c4 13.d4 Ned7 14.Bf3 Ne4 15.Be4 de4 16.0–0! Nf6 17.Nd2 Bd5 18.Ba3 Ba3 19.Ra3 0–0! 20.Ra1 g6 21.h3 e5 22.Re1 ed4 23.ed4 Rce8 24.Re3 Qf4 25.Qe1 Kg7 26.Qe2 h5 27.Re1 h4 28.Nge4 Be4 29.Ne4 Ne4 30.Re4 Re4 31.Qe4 Qd2 32.Qe5 Kh7 33.d5 Rd8 34.Re2 Qd5 35.Qe7 Qd1 36.Re1 Qd2 37.Qf7 Kh6 38.Qe7 Qg5 39.Qa7 Qf6 40.Qc7 Rd2 41.Rf1 Qc3 42.Qf4 g5 43.Qg4 Rd4 44.Qe6 Kh5 45.Qf7 Kh6 46.Qf6 Kh7 47.Qg5 Rd3 48.Qh4 Kg6 49.Qg4 Kf6 50.h4 Rd4 51.Qg5 Kf7 52.h5 Qd3 53.h6 Qh7 54.Re1 Rd7 55.Re3 Rd1 56.Kh2 Rd7 57.Rf3 Ke8 58.Re3 Kf7 59.Qf4 Kg6 60.Rg3 Kh5 61.Rh3 1–0. wojtekkk – pukics, kurnik, 2014.

5.Qf3 Nbd7

6.c4 c5 =+.

6.Qe2 e5 7.Nf3 –/+.

6.Qe2 Qe7 7.a4 0–0 8.f4 (8.Nf3 e5–/+) 8...Nb6 (8...e5 9.fe5 Ne5 10.Nf3–/+) 9.Nf3=+ Nc4 10.Bd4 (10.Bc3 Ne4=+) 10...e5 11.fe5 Ne5 12.Be5 Be5 13.Ne5 Qe5 14.d4 (14.c3 Re8–/+) 14...Qe7 15.Qd3 (15.Nc3 Re8–/+) 15...Bf5! 16.Qf5?? (better is 16.Qa3 Qe6 17.Be2–+) 16...Qe3 17.Be2 Qc1 (18.Kf2 Qh1–+) 0–1. Fischer,Detlev – Schuldes,W, corr FRG–ch I2021, 1982.

6.Bf6 Qf6 7.Nc3 b6 8.Rb1 Bb7 9.d4 0–0–0 10.a4 e5 11.Qf6 Nf6 12.Nf3 Rhe8 13.Be2 h6 14.0–0 e4 15.Nh4 g6 16.Rb3 Nh7 17.Ra1 Kb8 18.a5 Be7 19.g3 Bh4 20.gh4 f5 21.a6 Ba8 22.Bf1 g5 (22...c6 23.Ne2+=) 23.hg5= hg5 24.Ne2 Rf8 25.f4? (better is 25.Rb2!?=) 25...ef3–/+ 26.Ng3 g4 (26...f4!? 27.ef4 Rf4–/+) 27.Nh5 (better is 27.Bd3!?+=) 27...Ng5–+ 0–1. Ferencz,Joszef – Grabner,Helmut, ICCF World Cup4 prel–08, 1977.

5.Nf3 c5

6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4).

6.c4 Nbd7 (---> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7).

6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

5.f4 b6

6.Nf3 a6 7.a4 Nbd7 8.d4 Ne4 9.Nbd2 Ndf6 10.Be2 Ng4 11.Ne4 de4 12.Qd2 Nf6 13.Ne5 Nd5 14.0–0 0–0... 1–0 (37). Hoegberg – B Gustavsson, 1980.

6.Nf3 Bb7 7.Be2 a6 8.a4 c6 (8...0–0 9.0–0=) 9.Ne5 (9.0–0 0–0=) 9...Ne4 (9...0–0 10.0–0=) 10.0–0 0–0 11.d3 Nc5 12.c4 (12.d4 Ne4=) 12...f6+= 13.Nf3 (13.bc6 Nc6 (worse is 13...Bc6 14.Nc6 Nc6 15.cd5 ed5 16.Bf3+/–) 14.Nc6 Bc6=) 13...Qe7 (13...dc4 14.dc4 Qc7 15.Nd4+=) 14.Nbd2 Ncd7 (14...ab5 15.ab5 Ra1 16.Qa1 dc4 17.Nc4 cb5 18.Nd6 (18.Nb6? Qc7–+) 18...Qd6 19.Ba3=) 15.Nd4 c5 16.ba6 Na6 17.Nb5 Nc7 18.Nd6 Qd6 19.Bf3 Ra7 20.Qc2 Rfa8 21.cd5 (21.Ra2 Bc6=) 21...ed5 Black is in command 22.d4 (22.Ra3 Qe6 23.e4 Qd6+=) 22...c4 (22...Bc6!?–/+) 23.Rfc1 (23.e4 Qf4 24.ed5 Qe3 25.Rf2 A) 25...Nd5 26.Nc4 (worse is 26.Qc4 Qe6=) 26...Qe7 27.Qb3+–; B) 25...Bd5 26.Bd5 Nd5 27.Qc4 Qe6=) 23...Bc6+= The pressure on the isolated pawn grows 24.Nc4 (24.e4 Ba4 25.Nc4 dc4 26.Qc4 Qe6 27.Ra4 Ra4 28.Qc7=) 24...dc4–+ 25.Qc4 Bd5 26.Ba3 (better is 26.Bd5 Qd5 27.Ra3–+) 26...Qe6 (26...Bc4 27.Bd6 Ne8 28.Ba8 Nd6 29.Rc4 Ra8 30.Rc7+/–) 27.Qe2 Be4 (27...f5 28.Be7–+) 28.Be4 Qe4 29.Bd6 (29.Kf2 f5–+) 29...Nd5 (29...Ne8 30.Bb4–+) 30.Kf2 (30.Ra3–+) 30...Ra4?? (better is 30...f5–+) 31.Ra4+– Ra4? (31...Re8+–) 32.Rc8 Kf7 33.Rd8 (better is 33.Qh5 Ke6 34.Re8 Kd6 35.Re4+–) 33...Qe6?? (better is 33...Nc3 34.Qh5 Ke6 35.Re8 Kd6 36.Re4 Ne4 37.Kf3 Nd2 38.Kf2 h6+=) 34.Qh5 g6 35.Qh7# 1–0. Makowski,Z – Sabotic,A, Szeged, 1983.

6.Nf3 Bb7 7.Be2 Nbd7 8.0–0 0–0 9.Ne5 Nc5 10.a4 Be5 11.fe5 Nfe4 12.d3 Ng5 13.h4 c6 14.Qe1 h6 15.hg5 Qg5 16.Qf2 cb5 17.ab5 Nd7 18.d4 f5 19.c4 Rfc8 20.Nd2 dc4 21.Nc4 Bd5 22.Rac1 Nf8 23.Nd6 Rc1 24.Rc1 Ng6 25.Bc4 Bc4 26.Rc4 a6 27.Ra4 a5 28.Rc4 Ne7 29.e4 fe4 30.Ne4 Qg6 31.Ba3 Nd5 32.Nd6 Rf8 33.Qd2 Qb1 34.Kh2 Qb3 35.Bc1 1–0. elsh1403 – gauco (1730), kurnik, 2014.

5.f4 c6

6.a4 Nbd7 7.Nf3 Qe7 8.c4 e5 9.fe5 Ne5 10.Be2 dc4 11.Qc2 Bg4 12.0–0 Ne4 13.Qe4 Nf3 14.Bf3 Bf3 15.Qf3 0–0–0 16.bc6 1–0. jura1946 – ewqer, kurnik, 2013.

6.Nf3 0–0 7.a4 =.

6.Nf3 Bd7 7.Nc3 (7.a4 0–0=) 7...0–0 (7...a6 8.a4=) 8.Be2 Ne4 (8...cb5 9.Nb5 Bb5 10.Bb5=) 9.Ne4 (9.a4 f6=) 9...de4 Black gets the initiative 10.Nd4 (10.Ng5!? f5 11.Bc4=) 10...e5–/+ 11.bc6 bc6 (11...ed4? A) 12.cd7?! de3 13.de3 Bc5= (13...Qd7? 14.Qd4 f5 15.Rd1+–); B) 12.cb7 Nc6 13.ba8R Qa8 14.ed4 Bf4 15.Rb1+–; 11...Nc6?! 12.Nc6 bc6 13.fe5=) 12.fe5 Be5 13.Qc1 (13.g3 c5 14.Ne6 Bg3 (14...fe6?! 15.Be5 Qe7 16.Rb1=) 15.hg3 Be6–/+ (15...fe6?! 16.Bh5+=)) 13...Qh4 14.Kd1 Qf2 15.c4 (better is 15.g3!?–/+) 15...Qg2–+ 16.Kc2? (16.Re1–+) 16...Bd4 17.Rg1 (17.Qf1 Qf1 18.Rhf1 Bb2 19.Kb2 c5–+) 17...Qe2 18.Bd4 Qc4 19.Kd1 Qc1 20.Rc1 f6 21.h4 Be6 22.a4 Nd7 23.Rc6 Bb3 24.Ke2 Ba4 25.Rc7 a5 26.h5 Rfc8 27.Rb7 Kf7 28.h6 g5 29.Rf1 Kg6 30.Rh1 Ra6 31.Kf2 Bc6 32.Rbb1 Rb8 33.Rbc1 a4 34.Ra1 Bd5 35.Rhc1 a3 36.Rc7 Rb7 37.Rc8 a2 38.Rh1 Rb1 (38...Rb1 39.Rcc1 Rc1 40.Rc1 Kh6–+) 0–1. Tschoepe,Frank – Viebrock,Manuel, PCM–2004–G10.21, 2004.

5.h4 Ne4

6.Bg7+= Rg8 7.Bb2 e5 +=.

6.Bg7+= Rg8 7.Bb2 Ng3 8.fg3 Bg3 9.Ke2 +/–.

6.Bg7 Rg8 7.Bb2 Ng3 8.Rh3 Nf1 9.Kf1 e5 10.Rh1 Qf6 11.Qf3 Qg6 12.Qd5 Qc2 13.Qb3 Bf5 14.Qc2 Bc2 15.Nc3 Bd3 16.Nge2 Nd7 17.Rc1 Nc5 18.Nd5 0–0–0 19.Be5 b6 20.Bd6 Be2 21.Ke2 cd6 22.Ne7 Kb7 (22...Kd7 23.Ng8 Rg8 24.d4+–) 23.Ng8 Rg8 24.g3 1–0. Wall,Bill – Lovegren,Bob, Dayton, OH, 1980.

6.Bg7+= Rg8 7.Bb2 Ng3 8.Rh3?? Nf1+= 9.Kf1 e5 10.Rh1 Qf6 11.Qf3 Qg6 12.Qd5 (12.d3!? e4 13.h5+=) 12...Qc2–/+ 13.Qb3 Bf5 (better is 13...Qg6!? 14.g3 Be6–/+) 14.Qc2= Bc2 15.Nc3 Bd3 16.Nge2 Nd7 (16...a6 17.Kg1=) 17.Rc1 (17.Kg1=) 17...Nc5 (better is 17...Nb6!?+=) 18.Nd5+= 0–0–0 (18...Ne4 19.Rc7 Kf8 20.Rd7 (worse is 20.Rb7 Nc5–/+) 20...Bb5 21.Rd6 Nd6 22.Nf6+=) 19.Be5+/– b6? (better is 19...Be4 20.Rg1 Bd5 21.Bd6 cd6+/–) 20.Bd6+– Be2 (20...cd6 21.Ne7 Kd7 22.Ng8 Rg8+–) 21.Ke2 Rg2 (21...cd6 22.Ne7 Kd7 23.Ng8 Rg8+–) 22.Ne7 Kd7 23.Bc5 bc5 24.Rc5 (better is 24.Nc6 Ra8 25.Ne5 Ke8 26.Rc5 f6+–) 24...Ke7 25.Rc7 (25.Rc7 Rd7 26.Rhc1+–) 1–0. Wall,Bill – Lovegren,Bob, Dayton, OH, 1980.

5.a4 0–0

6.Na3 c5 7.c4 d4 8.ed4 cd4 9.Bd4 Ba3 (better is 9...e5!? 10.Be3 Nbd7=+) 10.Bf6+= Qf6 11.Ra3 b6 (11...Nd7 12.d4=) 12.f3 (better is 12.Qf3!? Qf3 13.Nf3+/– (13.gf3?! a6=)) 12...Bb7 13.d4 Nd7 14.Bd3 Rfd8 15.Ne2 Rac8 16.0–0 Bf3?? (better is 16...e5 17.Qc2 ed4 18.Bh7 Kf8+=) 17.Rf3+– (17.gf3?! e5+–) 17...Qh6 (17...Qg5 18.a5+–) 18.Rh3 Qg5 19.Bh7 Kf8 20.Be4 Rc4 (20...Kg8+–) 21.Rag3 Qf6 22.Rh8 (better is 22.Rf3 Qg5 23.Qb3 Rc7 24.Qb4 Nc5+–) 22...Ke7 23.Rd8 Kd8 24.Rf3 Qh6 (24...Qe7+–) 25.Rf7 (25.Qb3!? Rc7 26.Rf7 Ke8+–) 25...Nf6?? (25...Qe3 26.Kf1 Qe4 27.Rg7 Nf6+–) 26.Bf3 Ke8 27.Ra7 Nd5 (27...Qe3 28.Kf1 Ne4 29.Be4 Qe4 30.Ra6+–) 28.Bd5 (28.Qd3 Rc8+–) 28...ed5 (28...Qe3 29.Kf1 ed5+–) 29.Ng3 (29.Nf4 Qf6 30.Qe1 Kd8 31.Ra8 Rc8 32.Ne6 Kd7 33.Ra7 Kd6 34.Rb7+–) 29...Rc1–/+ 30.Qc1 Qc1 31.Nf1 Qc2 32.Rg7 (better is 32.Ra8 Kf7 33.Ra7 Kg8 34.h3–/+) 32...Kf8 (32...Qd1 33.Rg8 Kf7 34.Rg3 Qd4 35.Ne3 Qa4 36.Rf3 Ke6 37.Nf5–+) 33.Rb7 (better is 33.Ra7!?=) 33...Qc4 34.Rb6?? (better is 34.Rb8 Ke7 35.g4–/+) 34...Qd4–+ 35.Kh1 Qb6 36.h3 (36.g4 Qf2 37.Ng3 Qf3 38.Kg1 Qg4–+) 36...Qa5 (better is 36...Qf2!? 37.Ng3 Qg3 38.a5–+) 37.Kh2 (37.b6 Qa4 38.g4 Qc6–+) 37...Qa4 38.Kh1 (38.h4 Qc4 39.Kg1 Qc5 40.Kh2 Qb5–+) 38...Qb4 (38...Qb5 39.Nd2–+) 39.Kh2 (39.h4 Qh4 40.Kg1 Qd4 41.Kh2 Qf6–+) 39...Qb5 40.Kh1 (40.Ne3 d4 41.Ng4 d3–+) 40...Qb4 41.Kh2 (41.g3 d4–+) 41...Qb3 (41...Qf4 42.Kg1 Qd4 43.Kh2–+) 42.Kh1 (42.h4–+) 42...Qb2 43.Kh2 Qb1 (better is 43...Qf2 44.h4–+) 44.Kh1 (44.Nd2 Qc1 45.Nf3–+) 44…Qb2 (45.Kh2 Qf2–+; better is 44...Qf1 45.Kh2 d4–+) 0–1. MasterofDisaster – tttt, Live Game Caissa's Web, 2004.

6.Qf3 c5 7.bc6 bc6 8.Bf6 Qf6 9.Qf6 gf6 10.Bd3 Nd7 11.Nf3 a5 12.0–0 Nc5 13.Nc3 (better is 13.Be2!?=) 13...Nd3–/+ 14.cd3 Ba6 15.Rfc1 Bd3 16.h3 Rfc8 17.Nd4 Be5 18.Nf3 Bd6 19.Ne1 (19.Nd4 Rab8 20.g4–+) 19...Bg6–+ 20.Nf3 Rab8 21.Ne2 Bd3 22.Ned4 c5 Black prepares the advance c4 23.Nc2 c4 24.Nce1 Bg6 25.Nd4 Bb4 26.Nef3 Be4 27.Kh2 Bd6 28.g3 (28.Kg1 Rb2–+) 28...h5 (28...Bb4 29.Rab1–+) 29.h4?! (29.Ra2–+) 29...e5 30.Ne2 (30.Nb5 Bb4 31.Ne1 Bd2 32.Rd1–+) 30...Bf3 31.Nc3 Rb2 32.Kg1 (32.Ra2 Ra2 33.Na2 Rb8–+) 32...Rd2 33.Rab1 (33.Ra2 Ra2 34.Na2 Ba3–+) 33...Bb4 Black prepares d4 34.Nb5 d4 Black intends c3 35.ed4 ed4 36.Re1 c3 37.Rbc1 Bd5 (37...c2 38.Rf1–+) 38.Na7 Rb8 39.Nb5 Bc4 40.Nc7 (40.Na7 d3 41.Nc6 Rb7 42.Re8 Kg7–+) 40...Rc8 41.Nb5 Bb5 42.ab5 Rb8 43.Kg2 Rb5 44.Re8 Kg7 45.Rc8 d3 46.Kf3 c2 47.g4 hg4 48.Kg4 Rd1 49.R1c2 dc2 50.Rc2 Rg1 51.Kf3 Rf5 52.Ke4 Re5 53.Kf3 Rd1 54.Ra2 Kg6 55.Kg2 Ree1 56.Kf3 Rh1 57.Ke3 Rh3 58.f3 Re1 59.Kf2 Reh1 60.Ke3–+ Re1 61.Kf2 Rh2 62.Kg3 Ra2 63.f4 Rg1 64.Kh3 Raa1 65.Kh2 Rh1 66.Kg2 Rag1 67.Kf2 Rg4 68.Kf3 Rhh4 69.f5 Kf5 70.Ke3 Rh3 71.Kf2 Rf4 72.Kg2 ½–½. wojtekkk – ar1201, kurnik, 2013.

6.Nf3 c6 7.c4 c5 8.Be2 b6 9.0–0 Nbd7 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7).

6.f4 a5 7.Nf3 c6 8.Be2 c5 9.0–0 c4 10.Ne5 Nbd7 11.d3 Qc7 12.d4 Ne4 13.c3 f5 14.Nd2 Be5 15.fe5 Nb6 16.Ne4 de4 17.Qe1 Kh8 18.Qh4 Rg8 19.Bh5 g5 20.Qh3 g4 21.Qh4 Qd8 22.Qg3 Qg5 23.Bf7 Rf8 24.h4 Qh6 25.Be6 Be6 26.Rfd1 Nd5 27.Rac1 f4 28.ef4 Qf4 29.Qe1 g3 30.Rc2 Ne3 31.Re2 Nd1 32.Bc1 Qf2 33.Rf2 gf2 34.Qf2 Nf2 0–1. elsh1403 – s2014s (1620), kurnik, 2014.

6.f4 a6 7.c4 ab5 8.cb5 Bd7 9.Nf3 c6 10.Nc3 cb5 11.ab5 Qb6?? (better is 11...Ra1 12.Qa1 Qc7=) 12.Ra8+– Bb5 (12...Rc8+–) 13.Bb5 Qb5 (13...Na6 14.Rf8 Bf8+–) 14.Nb5 (14.Nb5 Nbd7 15.Qa1+–) 1–0. jura1946 – waniakrwawy, kurnik, 2013.

6.f4 c5 7.Nf3 Ne4 8.g3 (better is 8.Be2=) 8...f6?? (better is 8...a6+=) 9.d3+– Nf2? (better is 9...Qa5 10.c3 f5 11.de4 fe4+–) 10.Kf2 e5 11.Nbd2 d4 12.ed4 ef4 (12...cd4 13.Nc4 Bc7 14.Bg2+–) 13.dc5 fg3 (13...Bc5 14.d4 Bb4 15.gf4+–) 14.hg3 Bc5 15.d4 Bb6 (15...Be7 16.Bc4 Rf7 17.Qe2+–) 16.c4 (16.Bc4 Rf7+–) 16...Bg4 (16...Re8+–) 17.c5 Bc7 18.Bd3 (better is 18.Bc4 Rf7+–) 18...h6 (18...f5 19.Qb3 Kh8 20.Rh2+–) 19.Qb3 Kh8 20.d5 (20.Nh4!? Bh5 21.Bg6 Bg6 22.Ng6 Kh7 23.Nf8 Qf8+–) 20...Be5 21.Rh4 Bb2 22.Qb2 f5 23.Rh6 Kg8 24.Rg6 Rf7 25.d6 Nd7 26.Bc4 Nf6 27.Ne5 Kh7 28.Rh1 Kg8 29.Bf7 (29.Bf7 Kf8 30.Rh8 Ng8 31.Rg8#) 1–0. blackiwhite (1610) – blaszcsik (1800), kurnik, 2013.

6.h3 b6 7.Nf3 c5 8.c4 dc4 9.Bc4 Bb7 10.0–0 Qc7 11.Qc2 Nd5 12.d4 Nd7 13.Bd3 Rac8 14.Bh7 Kh8 15.Be4 Nb4 16.Qc3 Be4 17.dc5 Be5 (better is 17...e5!? 18.Qb4 Nc5+/–) 18.Ne5+/– Ne5 19.Qe5 (better is 19.Qb4 Bd3 20.cb6 ab6 21.Rd1+–) 19...Qe5+/– 20.Be5 Rc5? (better is 20...bc5 21.Nc3 Bd3+/–) 21.Bd6+– Rfc8 22.Bc5 bc5 23.Nc3 Bd3 24.Rfd1 c4 25.a5 Nd5 26.Rac1 (26.Nd5 ed5 27.b6 ab6 28.ab6 Rb8+–) 26...Nb4? (better is 26...Rb8+–) 27.Na4 White prepares the advance b6 27...Rb8 28.b6 ab6 29.Nb6 Nc6 30.Nc4 Bc4 31.Rc4 Na5 32.Rc7 Kg8 33.Rdd7 Rf8 34.Kh2 e5 35.Rc5 Nb3 36.Re5 Nc1 37.Rc5 Ne2 (37...Nb3 38.Rc3 Rb8+–) 38.Rd2 1–0. horacyad2010 – cruceanu, kurnik, 2012.

6.h3 Re8 7.Nf3 Nbd7 8.Be2 e5 9.0–0 c6 10.c4 e4 11.Nd4 Ne5 12.cd5 cd5 13.Nc3 Ng6 (13...Nc4 14.Bc4 dc4 15.Qe2+=) 14.f4 ef3 15.Bf3 Bc7 16.Bg4?? (better is 16.Qb3!? Be6 17.Ba3=) 16...Bg4 (16...Ng4 17.hg4 Qd6 18.Nf3–/+) 17.Qg4?? (better is 17.hg4 Qd6 18.Nf3–/+) 17...Ng4–+ (17...Ng4 18.hg4 Be5–+) 0–1. riditko – mister1962 (1740), kurnik, 2013.

6.c4 c6

7.d4 cb5 8.ab5 a6 9.Nc3 a5 10.c5 Be7 11.Nf3 b6 12.c6 Qc7 13.Bd3 Ne4 14.0–0 Nc3 15.Bc3 Nc6 16.bc6 Qc6 17.Rc1 Qd6 18.Qe2 Bb7 19.Nd2 Bd8 20.f3 Bc7 21.g3 f5 22.e4 g6 23.e5 Qe7 24.Rb1 f4 25.g4 Qh4 26.Rf2 Bd8 27.Nf1 Qh3 28.Rg2 Kh8 29.Bb5 Bh4 30.Bd7 Ba6 31.Qd2 Qf3 32.Be6 Bf1 33.Rf1 Qh3 34.Bd5 1–0. andrus9 – mishutka, kurnik, 2013.

7.d4 Qe7 8.c5 Bc7 9.Nf3 Ne4 10.Bd3 f5 11.0–0 f4 12.Be4 de4 13.Ne5 Be5 14.de5 f3 (worse is 14...Qc5 15.Ba3 Qe5 16.Bf8+/–) 15.g3 Qg5 (worse is 15...Qc5 16.Ba3 Qe5 17.Bf8+=) 16.Nd2 Qg4 17.Kh1 Rf5 18.Qc2?? (better is 18.Rg1=) 18...Qh3 19.Rg1 (19.Nf3 ef3 20.Rg1 Qh2 21.Kh2 Rh5) 19...Rh5 (19...Qh2! 20.Kh2 Rh5) 20.Nf1= Qg4 21.Rd1 Nd7 22.Qc4 Kf7 23.Rd6 Nf8 (better is 23...cb5!? 24.ab5 Ne5 25.Be5 Re5=) 24.bc6+/– bc6 25.Rc6 Bd7 26.Rc7 Rc8 27.Rc8 Bc8 28.c6 Qg6 29.Nd2?? Qg4 30.Qe4+– Qh3 31.Qf3 Kg8 32.Nf1 Rf5 33.Qg2 Qh6 34.Ba3 Qg6 35.Bf8 Kf8 36.Qe4 Qf7? 37.f4 Qc7 38.Nd2 g6 39.Rd1 Rf7 40.Nc4 Kg7 41.Nd6 Re7 42.Nc8 Qc8 43.Qc4 Rc7 44.Rd6 Kf7 45.a5 h6 46.a6 Re7 47.Qb5 h5 48.Kg2 Rc7 49.Rd7 Ke8 50.Rc7 Qc7 51.Qb7 Kd8 52.Kh3 Qb6 53.Qd7 1–0. popovicigelu (1610) – lyderhorn (1625), kurnik, 2012.

6.Be2 c5

7.Nf3 b6 8.0–0 a5 9.d3 Bb7 10.Nbd2 Nbd7 11.c4 Qc7 12.cd5 ed5 13.e4 (13.Rc1!?=) 13...de4–/+ 14.de4 Ne4 15.Ne4 Be4 16.Bd3 (16.Re1 Rad8 17.Bd3 Bf3 18.Qf3 Bh2 19.Kf1 Qf4–/+) 16...Bf3–+ 17.Qf3 Bh2 18.Kh1 Be5 19.Be5 Ne5 20.Qe4 Nd3 21.Qd3 Rad8 22.Qh3 (22.Qf3 Rd4 23.Kg1 Rfd8–+) 22...Rd4 23.g3 Rfd8 24.Rfe1 Qb7 25.Kh2 Rd2 26.Rf1 Qf3 27.Qg2 Qg2 28.Kg2 g6 29.Rae1 Ra2 30.Re4 Rdd2 31.Kh3 Rf2 32.Rf2 Rf2 33.Re8 Kg7 34.Rb8 Ra2 35.Rb6 Ra4 36.Rc6 c4 37.b6 (37.Ra6 c3 38.Rc6 Ra3–+) 37...Rb4 38.b7 Rb7 39.Rc4 Ra7 (39...Rb4 40.Rc8–+) 40.Ra4 h5 41.Kh4 Kh6 42.Kh3 g5 43.Kg2 f5 (43...g4 44.Kf2–+) 44.Kf2 (44.Kf3 Kg6 45.Ke3 g4–+) 44...Kg6 45.Ke2 Kf6 46.Ke3 Re7 47.Kd4 (47.Kd2 Re5–+) 47...Re5 (47...Re4 48.Kc5 Ra4 49.Kb5–+) 48.Kc4 (48.Kd3–+) 48...Re4 Black intends h4 49.Kb5 Ra4 50.Ka4 h4 51.gh4 gh4 52.Ka5 h3 53.Kb4 h2 54.Kc3 0–1. blaugrana18 – alexstega (1670), kurnik, 2013.

7.Nf3 Bd7 8.0–0 a6 9.d3 (better is 9.Na3!?=) 9...ab5–/+ 10.ab5 Ra1 11.Ba1 Bb5 12.c4 dc4 (12...Bc6!?–/+) 13.dc4+= Bc6 14.Bf6 gf6 15.Nc3 Bc7 16.Qd8 (16.Qb3!?+=) 16...Rd8–/+ 17.Rd1 Rd1 18.Bd1 Kf8 19.h3 Ke7 20.Nb5 Bb5 21.cb5 Nd7 22.Ba4 b6 (22...f5 23.Bb3–/+) 23.Nd2 (23.g4+=) 23...e5 (23...f5 24.f4–/+) 24.Nc4 (24.Bc2 Nf8=) 24...Ke6 (better is 24...f5!?–/+) 25.Bb3= Kf5 26.f3 e4 (26...Kg5 27.Nd2=) 27.fe4 Ke4 28.Kf2 (better is 28.Bc2 Kd5 29.Bb3=) 28...Kd3–/+ 29.Ba2 Ne5 30.Ne5 fe5 31.Bf7 (better is 31.Bb1!? Kd2 32.Bh7–+) 31...c4–+ 32.Bg8 c3 33.Bh7 (33.Bb3–+) 33...Kd2 (better is 33...e4 34.Ke1 Bd6–+) 34.Kf3= c2 35.Bc2 Kc2 36.Ke4 Kb3 37.Kd5 (37.g4 Kb4+/–) 37...Kb4 38.Kc6 (better is 38.g4!? Bd8 39.Ke5 Kb5 40.Kf5+=) 38...Bd8+= 39.g4 (39.e4 Kc4 40.Kd7 Bh4–/+ (40...Kb5?? 41.Kd8 Kc5 42.g4+–)) 39...Bg5 (39...Kc4 40.Kd7 Bg5 41.Ke6 Kb5 42.Kd5–+) 40.e4 (40.Kb6 Be3 41.Kc6 Kc4–+) 40...Be3?? (better is 40...Ka5–/+) 41.h4+– Kc4?? 42.g5 Kd4 43.Kb6 Ke4+= 44.Kc6 Kf5 45.Kd5 Bd4 46.g6 Kg6 47.b6?? Kf5–+ 48.b7 Ba7 49.h5 e4?? 50.h6= e3 51.h7 e2 52.h8Q e1Q 53.Qf8 Kg6 54.Qg8 Kh6?? 55.Qh8?? Kg6= 56.Qg8 Kf6 57.Qf8 Kg5 58.Qg8 Kf4 59.Qf7 Kg3 60.Qg6 Kf2 61.Qf5 Ke2?? 62.Qe4+– Be3?? 63.Qg2 Kd3 64.Qe4 Kc3?? 65.Qc4 Kd2 66.b8Q Qh1 67.Ke6 Qh3 68.Ke7 Bg5 69.Kf7 Qf5 70.Kg8 Qg6= 71.Kf8 Bh6?? 72.Ke7+– Bg5 73.Kd7 Qg7 74.Kc6 Qf6 75.Qd6 Qd6 76.Kd6 Ke3 77.Qe6 Kf4 78.Qe5 Kg4 79.Qg5 Kg5= ½–½. blaugrana18 – elocienias (1625), kurnik, 2012.

5.c4 0–0

6.a4 a6 7.Nc3 Nbd7 8.d4 b6 9.Nf3 Bb7 10.Bd3 Ne4 11.cd5 ed5 12.0–0 Ndf6 13.Qb1 Re8 14.Ne4 de4 15.Ng5 ed3 16.Qd3 h6 17.Nf3 Bf3 18.gf3 ab5 19.ab5 Ra1 20.Ba1 Nd5 21.e4 Qg5 22.Kh1 Qf4 23.Qe2 Qh2 0–1. elektrooon – ar1247, internet, 2013.

6.a4 Re8 7.Nf3 e5 8.cd5 Nd5 9.Qb3 Be6 10.Bc4 c6 11.Nc3 Bc7 (11...Nc3!? 12.Be6 Re6 13.Bc3 Nd7+=) 12.Ne4= f5 13.Nc5 b6?? (better is 13...Bc8+=) 14.Ne6+– Re6 15.bc6 (15.bc6 Kh8 16.Bd5+–) 1–0. Fritz 11 – anony, internet, 2013.

6.Qc2 b6 7.Nf3 Bb7 (7...a6 8.d4=+) 8.Ng5 (8.cd5 Bd5 9.Nc3 Bf3 10.gf3 a6=) 8...Ne4 (8...e5 9.cd5 Bd5 10.e4=+) 9.Ne4= de4 10.d4 (10.Nc3 f5=) 10...Nd7 (10...c5 11.Be2=) 11.Nd2 (11.Nc3 Nf6=) 11...Bb4 (11...Nf6 12.c5 bc5 13.dc5+/–) 12.Be2+= c5 13.0–0 Bd2 (13...cd4 14.Bd4 e5 15.Bb2=) 14.Qd2+= Ne5 (14...Qg5 15.Rfd1+=) 15.Qd1 (15.Rfd1 Nd7+/–) 15...cd4 (15...Nd7 16.Qa4+=) 16.ed4+/– Ng6 17.Qc1 (17.c5 Nf4 18.Rc1 Qg5=) 17...Qh4 18.f4 (18.c5 Nf4 19.Re1 a6=) 18...f5 (18...ef3!? 19.Bf3 Bf3 20.Rf3 a6=) 19.Qe3+= Ne7 (19...a6!? 20.c5 bc5 21.dc5 ab5 22.Bb5 Ba6+/–) 20.a4 a5 21.d5! Bd5 (21...Nd5 22.cd5) 22.Qb6 Nc6 (22...Rab8 23.Qa5 Ba8+–) 23.cd5 (< 23.bc6 Rfb8 24.Qd4 Qf6 25.Qf6 gf6 26.cd5 Rb2+–) 23...Qd8 (23...Nd8+–) 24.Qc6 Rc8 (24...Qd5 25.Rad1 Qb3 26.Rb1+–) 25.Qe6 Kh8 26.Rac1 (26...Re8 27.Qf7 Qb6 28.Kh1+–) 1–0. Moehring,Norbert – Aufmwasser,Guenter, Alpenpokal, 2003.

6.Qc2 dc4 7.Bc4 a6 8.Nf3 =+.

6.Qc2 c6 7.Nf3 dc4 8.Ng5 (8.Na3 c3 9.dc3 a6=+) 8...g6 (8...e5 9.Bc4 cb5 10.Bb5=+) 9.Qc3 (9.Na3 Nd5 10.Ne4 Ba3 11.Ba3 cb5 12.Bf8 Qf8+=) 9...e5=+ 10.bc6 (10.Bc4 cb5 11.Bb5 Bd7=+) 10...Nc6 (10...b5 11.Qc1 h6–/+) 11.Bc4=+ Bf5 12.0–0 Ne4 (12...Na5!?=+) 13.Ne4= Be4 14.d3 Bf5 15.f4 Rc8 16.e4 (16.Na3 Bb4 17.Qb3 Bc5 18.fe5 Na5=+) 16...Bd7 17.Ba3 Ba3 18.Na3 Nd4 19.Qb2 Bg4 (19...b5 20.Bd5 (< 20.Nb5 Qb6–/+; 20.Bb5? Rb8–+) 20...Qb6 21.Kh1+=) 20.Rf2 (20.fe5!? Ne2 21.Kh1+/–) 20...ef4 (20...Ne2!? 21.Kh1 Nf4=+) 21.Rf4?? (better is 21.Bd5 Qb6 22.Qb6 ab6 23.Nc4=) 21…Ne2–+ (22.Kh1 Nf4–+) 0–1. Mohring,Norbert – Weidinger,Dietmar, SEM–ch VT2 Merzig, 1996.

6.Nc3 c5 7.Nf3 d4 (better is 7...Nbd7=) 8.Na4 (better is 8.ed4 cd4 9.Nd4=) 8...e5–/+ 9.Nc5 (better is 9.ed4!? ed4 10.Be2–/+) 9...Bc5–+ 10.Ne5 de3 11.fe3 Ne4 12.g3? (better is 12.Bd3–+) 12...Bb4 13.Bc1 (13.Nf3–+) 13…Qf6 (13...Qf6 14.Nd3 Qa1 15.Nb4 Bg4–+) 0–1. Fournier,Frederic – Mataigne,Jean_Michel, Ch Club, 1995.

6.Nc3 c6 7.a4 Bb4 8.Nf3 Bc3 9.Bc3 cb5 10.ab5 dc4 11.Bc4 Ne4 12.Bb2 Nd6 13.Be2 a6 14.0–0 Bd7 15.Qb3 Bb5 16.Qc3 Be2 17.Qg7 1–0. bungo – naymad, kurnik, 2013.

6.Nc3 Nbd7 7.d4 dc4 8.Bc4 e5 9.Nge2 ed4 (9...Nb6 10.Bd3+=) 10.Nd4= Ne5 11.Be2 Qe7 12.0–0 Nfg4 (12...Rd8!?=) 13.h3 Nf6 14.Nf3 (better is 14.Qc2!?+/–) 14...Nf3+= 15.Bf3 Qe5 16.g3 Bh3 17.Bb7 (better is 17.Re1+=) 17...Bg4 (17...Bf1!? 18.Ba8 Bb5 19.Nb5 Qb2+=) 18.Qd4 (18.Nd5 Qb2 19.Nf6 Qf6 20.Qg4 Rab8+=) 18...Rab8 19.Qe5 Be5 20.Bc6 a6 (20...Rfd8 21.Rfb1=) 21.a4 ab5 22.ab5 Rfd8 23.Na4 Bb2 24.Nb2 Be2 25.Rfc1 Bb5 26.Bf3 Ne8 27.Nc4 Kf8 28.Ne5 Rb6 29.Nc6 Rd6 30.Nd4 Bd7 31.Ra8 Ke7 (31...Ra6 32.Rb8=) 32.Be4 (32.Rc5 Ra6=) 32...g6 (32...Ra6 33.Ra6 Ra6 34.Kg2+=) 33.Rc5 (33.Ra5 Ra6 34.Re5 Kf8=) 33...f6 (33...Ra6 34.Re5 Be6 35.Ra5 Ra5 36.Ra5+=) 34.g4 (34.Ra1!?=) 34...Bg4+= 35.Nc6 (35.Nb5 Rd7 36.Nd4 Rb2+=) 35...Kf7–/+ 36.Na5 (36.Kh2 Bd7 37.Bd5 Kg7–/+) 36...Ra6 37.Rb8 Rdb6 38.Rd8 Ke7 39.Nc6 (39.Rd4!? Rd6 40.Rdc4 Rd1 41.Kg2–/+) 39...Rc6–+ 40.Re8 Ke8 41.Bc6 Ke7 42.Bb5 Kd6 43.Rc4 Rb6 44.Rg4 Rb5 45.Rd4 Rd5 46.Ra4 c5 47.Ra6 Ke5 48.f4 Ke4 49.Kf2 Rd2 50.Ke1 Rh2 51.Rf6 Ke3 52.Kd1 c4 53.f5 gf5 54.Rf5 h5 55.Rc5 Kd3 56.Rd5 Kc3 57.Ke1 Kc2 58.Ra5 Rh1 59.Kf2 c3 60.Ke2 h4 61.Kf2 Rd1 0–1. Nikolic,Jovane (1695) – Soares,Lucas Vicente (1900), 1st IRT Jarbas Karman, 2013.

6.Nc3 Re8 7.d4 dc4 8.Bc4 Nbd7 9.Nf3 e5 10.0–0 Nb6 (10...ed4 11.Qd4 Ne5 12.Ne5 Be5 13.Qd8 Rd8 14.Rad1=) 11.Bb3 (11.Bf7!? Kf7 12.de5+/–) 11...e4 12.Ne5 (12.Ng5!? Re7 13.f3 ef3 14.Qf3+=) 12...Be6= (worse is 12...Be5 13.de5 Qd1 14.Rfd1 Re5 15.Rd8 Re8 16.Re8 Ne8 17.Ne4+=) 13.f4 ef3 14.Qf3 Bb3 15.ab3 Be5 16.de5 Re5 17.Ne4 Re4 18.Bf6 Qe8 (worse is 18...Qf6 19.Qe4 Qe6 20.Qe6 fe6 21.Rfc1+–) 19.Qg3 g6 20.Rf3 (better is 20.Qc7 Re3 21.Qb7 Rb3 22.Rfe1 Qb5 23.Ra7+=) 20...Nd5 21.Bd4 b6 (better is 21...Qb5!? 22.Qh3 h5–+ (22...Qb3?? 23.Qh7 Kh7 24.Rh3 Rh4 25.Rh4 Kg8 26.Rh8)) 22.Raf1 f5 (better is 22...f6–/+) 23.Rf5+/– Qe6? (23...Rd8 24.Qg5 Qd7 25.Re5+=) 24.R5f3 (24.Rf7!? Rd4 25.ed4 Re8+–) 24...Re8 (better is 24...Rd8!?+/–) 25.Qf2+– Qd6 26.Rf7 Rd4 27.ed4 Ne3? (27...Qd8+–) 28.Qh4 h5 29.Qf6 (better is 29.R7f6 Nf1 30.Rd6 (30.Rf1?! Rf8=; 30.Kf1?! Qf6 31.Qf6 Rf8 32.Qf8 Kf8=) 30...cd6 31.Kf1+–) 29...Qf6 30.R1f6 (30.R7f6?! Nf1 31.Rf1 Rd8+=) 30...Ng4 (30...Nd5 31.Rf1 Rd8 32.R7f3+–) 31.Rf1 Ne3 32.R1f3 Ng4?! (32...Nf5 33.Rc7 Nd4 34.Rf6 Nb5 35.Rg6 Kf8 36.Rd7 Re1 37.Kf2+–) 33.h3 (33.Rc7 Re1 34.Rf1 Rf1 35.Kf1 Nh2 36.Ke2 Ng4+–) 33...Nh6 (33...Re1 34.Rf1 Rf1 35.Rf1+–) 34.Rc7 Rd8 (34...Nf5 35.Rd3+–) 35.Rd3 (better is 35.Rf6 Nf5 36.Rg6 Kh8 37.Ra7 Rd6 38.Rd6 Nd6+–) 35...Nf5 36.d5 Kf8 37.Ra7 Ne7 38.Rf3 Ke8 39.Rd3 (39.Rf6 Rd5 40.Rb6 Rd1 41.Kh2 Rd7 42.Rb8 Rd8+–) 39...Nd5?? (39...Kf8 40.d6 Nf5+–) 40.Rh7 Rd6 41.Rd4 Kf8 42.Rb7 Kg8 43.Kh2 Kf8 44.Ra4 Rd8 45.Rd4 Rd6 46.Ra4 Rd8 47.Raa7 Ne3 48.Rf7 Kg8 49.Rg7 Kh8 50.Rh7 Kg8 51.Rag7 Kf8 52.Rh8 Kg7 53.Rd8 Nf5 54.Rb8 Nd4 55.Rb6 Nb3 56.Rd6 Kf7 57.h4 Nc5 58.b6 Kg7 59.b7! Nb7 60.Rd7 Kf6 61.Rb7 g5 62.Rb6 Kf5 63.Rb5 Kg6 64.hg5 h4 65.Kh3 Kh5 66.Ra5 Kg6 67.Kh4 Kg7 68.Kh5 Kh7 69.g6 Kg7 70.Kg5 Kh8 71.Kf6 1–0. Veer,Willem – Wahi,A, Surinam–ch Paramaribo, 2008.

6.Bd3 dc4 7.Bc4 Nbd7 8.Qf3 Nb6 (8...e5 9.Nc3+=) 9.Bd3 (9.Bf6 gf6 10.Be2 f5=) 9...Bd7 (9...e5 10.Nc3–/+) 10.a4 Nbd5 (10...Nfd5+=) 11.Ne2?? (11.e4 Nb4 12.e5 Be5 13.Be5–/+) 11...Rc8 (11...e5 12.h3–/+) 12.Bf6 Nf6 (better is 12...Qf6!? 13.Qf6 Nf6+=) 13.Qb7+= Ra8 14.Qf3 Nd5 15.Be4 Rb8 (15...a6!? 16.ba6 Ra6+=) 16.Bd5+/– ed5 17.Qd5 Be6 18.Qc6 Qf6 19.Nbc3 Bd7?? (better is 19...Rb6 20.Qf3 Qf3 21.gf3 c5+–) 20.Qd7 Qg5 21.0–0 h6 22.Ne4 (22.d4 Rfd8 23.Qc6 Rb6+–) 22...Qe5 (22...Bh2 23.Kh2 Qh4 24.Kg1 Qe4 25.Qc7+–) 23.N2c3 (better is 23.Nd6 Qd6 24.Qd6 cd6 25.Rfc1+–) 23...Qh2 0–1. kirpicz – olek1935, kurnik, 2013.

6.d4 a6 7.c5 Be7 8.Nf3 =+.

6.cd5 ed5 7.Nf3 Bf5 8.Nc3 Nbd7 9.d4 Re8 10.Bd3 Bd3 11.Qd3 Nb6 12.Nd2 Qe7 13.0–0 Ng4 14.g3 Qf6 15.h3 Nh6 16.e4 de4 17.Nce4 Qg6 18.Qf3 Nf5 19.Nd6 Nd6 20.Rac1 Nb5 21.Qg4? Qg4–+ 22.hg4 Re2 23.Rfd1 Nd5 24.Kf1 Rae8 25.a4 Nd6 26.Ba1? Nf6 27.f3 Nd5 28.Ne4 Ra2 29.Rd2 Ra4 30.Nd6 cd6 31.Re2 Kf8 32.Re8 Ke8 33.Ke2 Ra2 34.Kd3 Kd7 35.Ke4 Nf6 36.Kd3 Rg2 37.Rb1 b6 38.Rb5 Rg3 39.Rf5 Kc6 40.d5 Nd5 41.Rf7 Nb4 42.Ke4 d5 43.Kf4 Rg1 44.Bg7 a5 45.Rf6 Kb5 46.Rb6 Kb6 47.Bd4 Kb5 48.Bg1 Kc4 49.Be3 a4 50.Bc1 Nd3 51.Ke3 Nc1 52.Kd2 Nb3 53.Kc2 Nd4 54.Kb2 Nf3 55.Ka3 d4 56.Ka4 d3 57.g5 d2 58.Ka3 d1Q 59.Ka2 Nd4 60.g6 Qb3 0–1. Melzig,Ernst – Salomon,Heide (1675), 13sen.WttgEM/Ellwangen, 2001.

6.cd5 Nd5 7.Nc3 Be5 8.Nf3 Bf6 9.Be2 Nc3 10.Bc3 Bc3 11.dc3 Qd1 12.Rd1 Nd7 13.0–0 Nb6 14.c4 Na4 15.Ne5 Nc3 16.Rd2 Ne2 17.Re2 Rd8 18.Nf3 Bd7 19.Nd4 Be8 20.Nb3 b6 21.f4 f6 22.Rff2 Bh5 23.Rd2 a5 24.Nd4 e5 25.fe5 fe5 26.Nc6 Rd2 27.Rd2 e4 28.Rd7 Be8 29.Rc7 Bc6 30.Rc6 Rd8 31.Rb6 Rd1 32.Kf2 Rd2 33.Kg3 Ra2 34.Ra6 Kf8 35.Kf4 Ke8 36.Ke4 a4 37.Kd5 Rg2 38.Ra4 Rh2 39.c5 Rh5 40.Kd6 Rh6 41.Kc7 Re6 42.b6 Re7 43.Kd6 Rd7 44.Kc6 Ke7 45.b7 Rd8 46.Re4 Kf6 47.Kc7 Rf8 48.Rf4 1–0. olawoj – a9b87, internet, 2013.

6.f4 dc4 7.Bc4 Bd7 8.Nf3 Ne4 9.0–0 c6 10.a4 cb5 11.ab5 a6 12.d4 Qe8 13.Qb3 a5 14.Nbd2 Nd2 15.Nd2 b6 16.Rfc1 Qe7 17.Nf3 Bb4 18.Ne5 Bc8 19.Nc6 Nc6 20.bc6 Ba6 21.Ba6 Ra6 22.Ba3 Ba3 23.Qa3 Qa3 24.Ra3 b5 (24...a4!?=) 25.c7 Rc8 26.Rc5 Ra7 27.Rb5 Rac7 28.Rba5 h6 29.Ra8 Kh7 30.Rc8 Rc8 31.Kf2 Rc7 32.Kf3 Kg6 33.g4 h5 34.h3 hg4 35.hg4 Rb7 36.e4 White prepares f5 36...Rb8 37.g5 Rh8 38.Kg4 Rh1 (better is 38...f5 39.gf6! gf6+–) 39.f5 ef5 40.ef5 Kh7 41.Rd3 (better is 41.Rh3!? Rh3 42.Kh3 Kg8+–) 41...Rg1 42.Kf4 Rh1 (42...Rf1 43.Ke4 Re1 44.Re3 Rg1+–) 43.d5 Rc1 44.d6 Rc8 45.d7 Rd8 46.Ke5 Kg8 47.Kd6 Kf8 48.Kc7 Ke7 49.Re3 Kf8 50.Kd8 f6 51.g6 1–0. carocan (1660) – zlewowy (1655), kurnik, 2012.

6.f4 c5 7.Nf3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Ne4 11.Be2 f6 12.0–0 Nd7? (better is 12...Be7+=) 13.d3+– Qa5 14.de4 (14.Bb2!? Qa2 15.Qc2 Nb6 16.de4 Na4+–) 14...Qa1+/– 15.cd5 Re8 1–0. marvis (1825) – hallodom (1785), kurnik, 2013.

6.f4 Nbd7 7.Nf3 c6 8.a4 a6 9.Qb3 ab5 10.ab5 Ra1 11.Ba1 c5 12.Be2 Ne4 (12...Nb6 13.d3=) 13.0–0 b6 (13...dc4 14.Bc4 Nb6 15.Bd3+=) 14.d3 (14.cd5!? ed5 15.Qd5+=) 14...Nef6 15.d4 Bb7 16.Nbd2 cd4 17.Bd4 Qc7 18.Rc1 Ra8 19.Ra1 Ra1 20.Ba1 Nc5 21.Qc2 Nfe4 22.Ne4 Ne4 23.Ne5 (23.Bd3 f6=) 23...f6 (23...Bc5!? 24.Qc1 Nd6 25.cd5 Nf5–/+ (25...Bd5?! 26.Nd3=; 25...ed5?! 26.Bd4=)) 24.Nf3= Bc5 25.Bd4 Bd4 26.Nd4 Kf7 (26...Qc5 27.Bd3= (27.Ne6?? Qe3 28.Kh1 Nf2 29.Kg1 Nh3 30.Kh1 Qg1)) 27.Bd3 (27.Ne6 Qc8 28.Nd4 f5+/–) 27...Qc5 28.cd5 ed5 29.Be4 de4 30.Qb3 (30.Qc5!? bc5 31.Nf5+=) 30...Bd5= 31.Qb2 Qc4 32.h3 Qd3 33.Kf2 Bc4 34.h4 (34.Nf5 g6 (34...Bb5? 35.Qb5 Qb5 36.Nd6 Ke6 37.Nb5+–) 35.Nh6 Kg7+=) 34...h6 (34...Kg6!?–/+) 35.f5+= g5 36.hg5 fg5 (36...hg5 37.Qa1 Qd2 38.Kg1 Qe3 39.Kh1 Ke8–/+) 37.Qb4 (better is 37.Nc6 Qf1 38.Kg3 Qe1 39.Kh2 Qh4 40.Kg1 Qe1 41.Kh2 Qh4 42.Kg1 Qe1 43.Kh2=) 37...h5–/+ 38.Qd6? (better is 38.Nc6 Qe2 39.Kg3 Qe3 40.Kh2 Qf4 41.Kh1 Qf1 42.Kh2–/+) 38...Qd2–+ 39.Kg3 Qe3 40.Kh2 Qf4 41.Qf4 gf4 42.Kh3 Kf6 43.Kh4 Ke5 44.Nc6 Kf5 45.Kh5 Bf7 46.Kh4 (46.Kh4 e3 47.Nd4 Ke4 48.Nc2–+). marvis (1865) – krasew (1785), kurnik, 2013.

6.Qc2 c5

7.bc6 Nc6 8.c5 Bc7 9.d4 Bd7 10.Nf3 Re8 11.Bd3 Qe7 12.a3 a5 13.Nbd2 h6 14.0–0 e5 15.de5 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Nf3 Qh5 19.Be2 Qf5 20.Bd3 Ne4 21.Nd4 Qg5 22.Nf3 Qg6 23.g3 Bh3 24.Rfe1 Qg4 25.Be2 Qe6 26.Rab1 Qc6 27.Rb6 Qc5 28.Qb2 Nd6 29.Rc1 Nc4 30.Bc4 dc4 31.Rb7 Qd5 32.Ne1 a4 33.Rb5 Qe4 0–1. jura1946 – jaqueretador2, kurnik, 2013.

7.Nf3 =+.

6.d4 dc4

7.Nc3 a6 8.Bc4 ab5 9.Nb5 Bb4 10.Nc3 –/+.

7.Nc3 a6 8.Bc4 Nbd7 9.ba6= ba6 (9...b6 10.Qd3=) 10.Nf3 Rb8 11.Rb1 c5 12.0–0 Bb7 13.dc5 (13.Na4 cd4 14.Bd4 Bf3 15.Qf3 Bh2 16.Kh2 Rb1 17.Rb1 Qc7 18.Qg3 Qc4+–) 13...Nc5=+ 14.Nd4 Qc7 15.f4 Rfc8 16.Rf2 Rd8 17.Rd2 Bf4?? (better is 17...Nfe4 18.Ne4 Be4=+) 18.ef4+/– Qf4 19.Bc1?? (better is 19.a3+/–) 19...Qe3–/+ 20.Kh1 Qc3 21.Nc6 Rd2 22.Bd2 Qc4 23.Nb8 Ng4 24.Qc1? Bg2! 25.Kg1 Qd3?? 26.Nc6+/– h6 (26...Bc6 27.Rb8) 0–1. Kuni,Richard – Woelfelschneider,Peter, TT–07 ETC, 2003.

7.Bc4 a6 8.Ba3 ab5 9.Bd6 Qd6 –/+ (< 9...bc4 10.Bf8 Kf8 11.Qc2+=; 9...cd6?! 10.Bd3–/+).

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Bc3 Bd7 12.Qb3 Qc7 13.Nd2 cb5 (13...Bh2? 14.b6 Qd8 15.Rh2+–) 14.Bd3 Rc8 15.Ne2 Na6 16.Ne4 Ne4 17.Be4 b4 18.Bd2 Bb5 (18...Bh2? 19.f4+–) 19.Bd3 Bd3 20.Qd3 Qc2 (20...Bh2 21.f4+/–) 21.Qc2 Rc2 22.Kd1 Ra2 23.Nc1 Ra3 24.Ke2 e5 25.Rd1 ed4 26.ed4 b3 27.Nd3 Ra2 (worse is 27...Bh2 28.g3=) 28.Rb1 Ra4 29.Be3 Ra2 30.Bd2 Ra4 (worse is 30...Bh2 31.Rb3 Nc7 32.Rb7+=) 31.Be3 Ra2 (worse is 31...Bh2 32.Rb3 Bc7 33.Rb7+/–) 32.Bd2 ½–½. popovicigelu – cze66 (1765), internet, 2012.

7.Bc4 a6 8.ba6 Na6 9.Qf3 =+.

7.Bc4 a6 8.ba6 b6 9.Nf3 (9.Qf3 Ra7= (< 9...Ba6 10.Qa8 Bc4 11.Qf3+=)) 9...Ba6=+ 10.Ba6 Na6 11.a3 (11.0–0 Nd5=+) 11...Qd7 (11...Nd5 12.e4 Nf4 13.0–0=+) 12.Qe2 (12.0–0 Rfd8=+) 12...Nd5 (12...b5 13.0–0–/+) 13.0–0 (13.e4 Nf4 14.Qf1 b5–/+) 13…f5 (14.Rc1 b5=+; 13...b5 14.e4 Nf4 15.Qe3=+). Luzuriaga,Norberto Horacio – Woelfelschneider,Peter, TSC, 2003.

6.Be2 a6

7.Na3 A) 7...e5 8.Nf3 (8.cd5 Nd5 9.ba6 Na6 10.Nc4 e4 11.Nd6 Qd6 12.d3 Qb4 13.Qd2 Nc5–/+) 8...e4 9.Nd4 ab5 10.Nab5 Be5 11.Ne6 Be6 12.Be5 Na6 13.cd5 Nd5+=; B) 7...Qe7 8.Qb3 (8.Qc1 e5 9.Nf3 e4 10.Nd4 c6 11.ba6 Na6 12.cd5 Nd5 13.Nc4 Bc7+=) 8...Nbd7 9.Nf3 Nc5 10.Qc2 Nce4 11.Qc1 dc4 12.Nc4 ab5 13.Nd6 Nd6+=.

7.ba6 A) 7...Na6 8.Nf3 (8.d4 dc4 9.Bc4 Bd7 10.Nf3 b5 11.Be2 Nd5 12.0–0 Bc6 13.Nbd2 Qd7+=) 8...dc4 9.Bc4 c6 10.0–0 Nb4 11.Qb3 Nbd5 12.d4 Qe7 13.Ne5 Rd8=; B) 7...b6 8.cd5 (8.Bf6 Qf6 9.Nc3 dc4 10.Bc4 Ba6 11.Be2 Qg6 12.Bf3 Ra7 13.Ne4 e5–/+) 8...Nd5 9.Nf3 Na6 10.0–0 Bb7 11.d3 Nc5 12.Nc3 Nc3 13.Bc3 Na4+=.

7.cd5 A) 7...ed5 8.ba6 (8.Nf3 ab5 9.Bb5 c6 10.Be2 Nbd7 11.0–0 Re8 12.Qc2 Qe7 13.a4 Nc5+=) 8...Na6 9.Nf3 Re8 10.Nc3 Bf5 11.0–0 Nc5 12.Nb5 b6 13.Nd6 Qd6=; B) 7...Nd5 8.Na3 (8.Qa4 c6 9.bc6 Nc6 10.Nf3 e5 11.0–0 Be6 12.Nc3 b5 13.Qc2 f5–/+) 8...e5 9.ba6 Na6 10.Nc4 e4 11.Nd6 Qd6 12.d3 Qb4 13.Qd2 Nc5–/+.

7.Nf3 ab5 8.cb5 (8.cd5 Nd5 9.Bb5 c6 10.Be2 b6 11.0–0 Re8 12.Nc3 Ba6 13.d3 Nb4+=) 8...c6 (8...Nbd7 9.d4 Nb6 10.0–0 Na4 11.Bc1 Ne4 12.Qc2 Qe7 13.Nbd2 Nac3=) 9.0–0 Nbd7 (9...cb5 10.Bb5 Bd7 11.Qb3 Na6 12.Bd4 Bb5 13.Qb5 Qe7+=) 10.bc6 (10.d4 Qb6 11.Nc3 Ng4 12.Bd3 Qc7 13.bc6 bc6=) 10...bc6 11.Qc2 c5 12.Nc3 e5 Black plans d4 (12...Ba6 13.d3 e5=) 13.d3 (13.e4 de4=) 13...d4 (13...Qa5=) 14.Nb5 Bb8 15.a4 Nd5 16.Bc1 Ba6 17.Bd2 Qe7 18.e4 Nb4 19.Bb4 cb4 (19...Bb5!? 20.Bc5 Nc5 21.ab5 Ra1 22.Ra1 Rc8+/–) 20.Qc6+/– (20.Qc6 Bb5 21.Qa8+/– (21.ab5?! Ra3=)) 1–0. rcm06 (1965) – sporco (1790), gameknot.com, 2012.

7.Nf3 dc4 8.ba6 (8.Na3 Ba3 9.Ba3 Re8 10.Qa4 Nbd7 11.Qc4 ab5 12.Qb3 c6 13.d4 e5–/+) 8...b5 9.a4 b4 10.a7 Nc6 11.Bc4 Ra7 12.d3 Na5 13.Nbd2 Bb7 +=.

7.Nf3 Bd7 8.ba6 (8.cd5 Nd5 9.Qa4 Nb6 10.Qd4 f6 11.ba6 Na6 12.0–0 Nb4 13.Qe4 f5–/+) 8...Na6 9.Ne5 Nc5 10.0–0 Ba4 11.Qc1 dc4 12.Nc4 Bb5 13.Nba3 Ba6 =.

7.Bf6 A) 7...gf6 8.cd5 (8.Nc3 dc4 9.Bc4 e5 10.Qf3 f5 11.d3 ab5 12.Nb5 Bb4 13.Kf1 Kh8=) 8...ed5 9.Qa4 Be6 10.d4 c5 11.Nf3 c4 12.Nc3 Re8 13.0–0 Nd7+=; B) 7...Qf6 8.Nc3 (8.d4 ab5 9.cb5 e5 10.Nf3 e4 11.Nfd2 Qg5 12.Bf1 Bg4 13.Qb3 Nd7–/+) 8...Qg6 9.cd5 ed5 10.Nf3 Be6 11.0–0 Rd8 12.d4 Bh3 13.Ne1 Bf5=.

6.Nf3

6.Nf3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.c4).

6.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.c4 Nbd7 6.Nf3 0–0).

6.f4 c6

7.a4 a6 8.Qb3 ab5 9.ab5 Ra1 10.Ba1 Bd7 11.Nf3 Re8 12.d4 Bf8 13.Bd3 cb5 14.cb5 b6 15.0–0 Qc7 16.Nbd2 Rc8 17.Bb2 Qd6 18.Ne5 Qb4 19.Qb4 Bb4 20.Ndf3 Be8 21.Rc1 (better is 21.f5!?+=) 21...Rc1–/+ 22.Bc1 Nfd7 (better is 22...Ne4!?–/+) 23.Nc6+= Bd6 24.Nb8 Nb8 25.Ne5 Be5 26.fe5 Nd7 27.Ba3 Nf8 28.Bd6 Nd7 29.Bc7 g6 30.e4 Kg7 31.ed5 ed5 32.Kf2 f5 33.Bc2 Kf7 34.Ke3 1–0. carocan (1700) – wstretnybil (1790), kurnik, 2012.

7.a4 a6 8.Qb3 cb5 9.ab5 Nbd7 10.d4 b6 11.Nf3 Bb7 12.Nbd2 ab5 13.Ra8 Qa8 14.cb5 Ne4 15.Bd3 Nd2 16.Nd2 Rc8 17.0–0 Qa5 18.Rc1?? (better is 18.Nf3+=) 18...Qd2–+ 19.Rc8 Bc8 (19...Bc8 20.Kf1 Bb4–+) 0–1. marvis (1700) – albingrzegorz, kurnik, 2013.

7.a4 Nbd7 8.Nf3 Qe7 9.d4 Ne4 10.Bd3 Bb4 11.Nbd2 f5 12.0–0 Nd2 13.Nd2 a5 14.Nf3 Nb6 15.c5 Nd7 16.Qb3 Nf6 17.Bc3 Bc3 18.Qc3 Bd7 19.b6 Be8 20.Nd2 Bh5 21.Nb3 g5 (21...Ne4!? 22.Qe1 Bg4+/–) 22.Na5 gf4 23.ef4 Kh8 24.Nb3 White prepares a5 24...Rg8 25.a5 Ng4 26.Be2 Qh4 27.Bg4 Bg4 28.Rae1 Rg6 29.Re3 Rag8 30.Qe1?? (30.g3 Be2 31.Re1 Bc4+/–) 30...Qh5?? (30...Bf3 31.Qg3 Be4 32.Qg6 Rg6–+ (worse is 32...hg6 33.Rh3 Qh3 34.gh3+=)) 31.Re6 Bf3?? 32.Qe5 R6g7 33.g3 Be4 34.Re7?? Qh3?? 35.Rf2+– h5 36.Nd2 h4 37.Ne4 de4 38.Rg7 Rg7 39.Qe8 Kh7 40.Qh5 Kg8 41.Rg2 e3 42.Qh4 Qh4 43.gh4 Kf7 44.Rg7 Kg7 45.a6! (45.a6 ba6 46.b7+–) 1–0. carocan (1775) – bogdankr (1730), kurnik, 2012.

7.a4 Re8 8.Nf3 Nbd7 9.d4 Ne4 10.Bd3 f6 11.0–0 e5 12.Be4 de4 13.Nfd2 ed4 14.Bd4 c5 15.Bb2 Nf8 16.Qc2 Qe7 17.Nc3 Bf5 18.h3 h5 19.g3 Rad8 20.Kg2 Bb8 21.Nd5 Qd7 22.Nb1 Bh3 23.Kh2 Bf1 0–1. carocan (1895) – pegasuschess (1875), kurnik, 2013.

5.c4 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 0–0 9.Nf3 c5 10.bc6 Nc6 11.cd5 (11.Bf6 Qf6 12.Nc3 (12.d4 dc4 13.Bc4 e5 14.de5 Ne5 15.Ne5 Qe5 16.Qb3 Qa5 17.Kf1–/+; 12.Qc2 Nb4 13.Qb3 b6 14.cd5 ed5 15.Bb5 Bh3 16.0–0 Qg6 17.Ne1–/+) 12...Qf5 13.cd5 ed5 14.Qb3 d4 15.Nb5 Bc5 16.Bd3 Qh5 17.ed4=) 11...Nd5 (11...ed5 12.Qb3 (12.Be2 Be6 13.0–0 Qe7 14.Qb3 Rb8 15.Qb6 Ne4 16.Qb2 f6 17.Rc1=; 12.Bb5 Re8 13.Qb3 Be6 14.0–0 d4 15.Qc2 de3 16.fe3 Nb4 17.Qa4=) 12...Ne4 13.Be2 Qa5 14.Bb2 Re8 15.Nc3 Nb4 16.Nb5 Be7 17.0–0=) 12.Qb3 (12.Bc4 Nc7 13.Qc2 Nb4 14.Qb2 f6 15.Nc3 Bd7 16.Nd4 Kh8 17.0–0=; 12.e4 Nf4 13.d4 Bd7 14.Bc3 Qc7 15.e5 Be7 16.Bd2 Nb4 17.Qb3+=) 12...Qe7 (12...Ndb4 13.Bb2 Re8 14.d4 Na5 15.Qd1 Re7 16.Nc3 Rc7 17.Nb5=) 13.Be2 Kh8 (13...Bd7 14.0–0 Ra8 15.Nc3 Na5 16.Qb2 Qf6 17.Qb1=) 14.0–0 f6 (14...Qc7 15.Na3 Bb4 16.Nb5 Qe7 17.Rc1=) 15.Nc3 (15.Rc1 Na5 16.Qb5 Qd8 17.d4=) 15...Ndb4 (15...Nc3 16.Bc3 e5 17.d4=) 16.Ne4 (16.d4 e5 17.d5=) 16...Bb8 (16...e5 17.Nd6 Qd6 18.d4+=) 17.Bc3 (17.Rb1+=) 17...Nd5 18.Bb2 Rd8 19.Ra1 Qc7 20.g3 (20.d4 Qb6 21.Qb6 Nb6+=) 20...Bd7 (20...e5 21.d3=) 21.Bc3 (21.Nc5 Ba7 22.Nd7 Qd7+=) 21...Be8 (21...b6 22.d4=) 22.Nd4 (better is 22.Nc5 Qe7 23.Nb7+/–) 22...e5?? (better is 22...Nd4 23.Bd4 e5=) 23.Ne6+– Nc3 (23...Qc8 24.Nd8 Nc3 25.dc3 Nd8 26.Qb4+–) 24.Nc7 (24.Nc3?! Bf7=; 24.dc3?! Bf7+=; 24.Qc3?! Qd7 25.Nd8 Qd8+–) 24...Ne2 25.Kf1 Ng3 (25...Bc7 26.Ke2 Ba5 27.Qb7+–) 26.hg3 Bc7 27.Qb7 (27.Qb7 Bb8 28.Nc5+–) 1–0. purplegadge (1775) – ainga (1630), gameknot.com, 2014.

6.a4 dc4 7.Bc4 ab5 8.ab5 Ra1 9.Ba1 c6 10.Nf3 0–0 11.0–0 cb5 12.Bb5 Bd7 13.Nc3 Nc6 14.Qb1 Ne5 15.Ne5 Be5 16.Rd1 h5 (16...Bb5 17.Qb5 Qc7 18.f4 Bc3 19.Bc3=) 17.Bd7 Qd7 18.Ne2 Ba1 19.Qa1 b5 20.Qe5 Qd5 21.Qd5 Nd5 (worse is 21...ed5 22.Rb1+=) 22.Rb1 Rb8 23.Nd4 Exerts pressure on the isolated pawn 23...Nc7 24.Kf1 Kf8 25.Ke2 Ke8 26.Rc1 Rb7 27.Nc6 Nd5 28.g3 Kd7 29.Nd4 Nc7 30.Rb1 Kd6 31.e4 g6 32.Kd3 e5 33.Nc2 Ne6 34.Nb4 Nc5 35.Ke3 f5 36.ef5 gf5 37.d4 ed4 38.Kd4 Re7 39.Nd3? (better is 39.Rd1 Re2 40.h4+=) 39...Re4–+ 40.Kc3 Rc4 41.Kd2 Rc2 1–0. Chirpii,Alexandru (2005) – Bogacov,Alexei (2100), Ilichevsk Sunny Pawn op, 2008.

6.a4 Bd7 7.Nf3 0–0 8.Be2 c6 9.Nc3 dc4 10.Bc4 Qc7 11.Qb3 ab5 12.ab5 Ra1 13.Ba1 Rc8 14.b6 Qd8 15.0–0 c5 16.Bb2 Bc6 17.Ra1 Bf3=+ 18.gf3 Nc6 19.Ne2 Ne5 20.Be5 Be5 21.Ra7 Qd7 22.Ng3 Bb8 23.Ra1 Qd6 24.Qb2 Nd7 25.Rb1 Rc6 26.f4 Rb6 27.Bb5 e5 28.f5 Nf6 29.f3 e4–+ 30.f4 h5 31.Qc2–/+ Bc7 32.h4 Qd5 33.Rb3 Rd6 34.Bc4 Qd2 35.Qd2 Rd2 36.Rb7 Rd7 37.Kf1 Kf8 38.Bb5 Bf4 39.Rd7 Bg3 40.Ra7 Nd5–/+ 41.Kg2 Bh4–+ 42.Ra8 Ke7 43.Re8 Kf6 44.Re4 Bg5 45.Bd3 Ne3 46.Kf3 Nf5 47.Rc4 Nd4 48.Kg3 Be3 (49.Rc5 g5–+; better is 48...Ne6 49.Re4–+) 0–1. Petersen,Jan – Tornbjerg,Bjarne, corr DEN, 1992.

6.a4 Nbd7 7.Nf3 0–0 8.Be2 ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 Qe7 12.d4 e5 13.0–0 e4 14.Nfd2 Nb6 15.Be2 Bf5 16.Qb3 Nfd5 17.Nc3 Nb4 18.Bb2 Be6 19.Qd1 f5 20.Ba3 Ra8 21.Qc1 Qh4 22.g3 Qd8 23.Bb4 Bb4 24.Qb2 Qe7 25.Ra1 Ra1 26.Qa1 h6 27.h4 Kh7 28.Kg2 Qd7 29.Qb2 Qd6 30.Nb3 Nc4 31.Bc4 Bc4 32.Nc5 (32.Nd2!? Bc3 33.Qc3 Bb5 34.Qa5–/+) 32...Bc5–+ 33.dc5 Qc5 34.h5 Bf7 35.Na4 Qc4 36.b6 (36.Qe5 Bh5 37.Nc5 Bf3 38.Kh2–+) 36...Bh5 37.bc7 Bf3 38.Kg1 Qc7 (38...Qa4 39.Qc1 Qe8 40.Kf1 Qb5 41.Kg1–+) 39.Qb5 (39.Nb6–+) 39...Qc1 40.Kh2 (40.Qf1 Qc6 41.Nb2–+) 40...Qh1 0–1. marvis (1665) – szachycheess, kurnik, 2013.

6.Nc3 ab5 7.Nb5 Be7 8.Nf3 0–0 9.Be2 c6 10.Nc3 dc4 11.Bc4 b5 12.Bb3 Nbd7 13.0–0 Ba6 14.Re1 Qb8 15.Qb1 Bb7 16.Bc2 c5 17.Ne2 Bf3 18.gf3 b4 0–1. St_Jean,Benoit – Dob,Gabor (1875), SD–2010–0–00066, 2010.

5.c4 dc4

6.Bc4 a6 7.Bf6 Qf6 8.Nc3 +=.

6.Bc4 c6 7.Nf3 Bd7 8.a4 Qc7 (8...a6 9.bc6 Nc6 10.0–0=+) 9.Qb3 Bc8 (9...0–0 10.Bf6 cb5 11.ab5+=) 10.Nc3 e5 11.d4 ed4 12.Nd4 0–0 13.bc6 bc6 (13...Nc6? 14.Ndb5 Qe7 15.Nd6 Qd6 16.Ba3+–) 14.h3 Nbd7 15.Qc2 Ne5 16.Be2 Ng6 (16...Rd8 17.f4 Ng6 18.Nc6 Qc6 19.Bf3–/+) 17.0–0 (17.Nc6 Qc6 18.Bf3 Qb6 19.Ba8 Bf5+/–) 17...Bb7 18.Nf3 (18.Rfd1 Rfd8+=) ½–½. Schirmer,Michael – Suerig,A, corr BdF, 1991.

6.Bc4 Nd5 7.Bd5 ed5 8.Nf3 (8.Qh5 0–0=) 8...0–0+= 9.0–0 Be6 10.d4 b6 (10...a6 11.Nc3+=) 11.Nbd2 (11.Qa4 Qd7=) 11...c5 12.dc5 bc5 13.a4 Bg4 14.h3 Bh5 15.Nb3 Qc7?? (better is 15...a6=) 16.Qd5 Bf3 17.Qf3 Bh2? (better is 17...Nd7+–) 18.Kh1 Be5 (18...Nd7 19.g3 c4+–) 19.Be5 Qe5 20.Qa8 Nd7 (20...c4 21.Nd4 Qc7 22.Rac1+–) 21.Qc6 (21.Qa7!? Qd5+–) 21...Nf6 (21...Qe6 22.Rab1+–) 22.Nc5 Qb2 (22...Qb8 23.Rac1+–) 23.Nd7 Nd7 24.Qd7 Qb4 25.Qa7 h6 26.b6 Qc5 27.Rfc1 Qf5 28.Kg1 Rd8 29.b7 Qe5 30.Qa8 Rb8 31.Qb8! Qb8 32.Rc8 Qc8 33.bc8Q Kh7 34.Qf5 1–0. typ48 – alrocao, kurnik, 2013.

6.Bc4 0–0

7.a4 Nbd7 8.Nf3 Nc5 9.Qc2 Re8 10.Ng5 h6 11.h4 e5?? (better is 11...Ncd7=+) 12.f4 (better is 12.Nf7 Qe7 13.Nd6 Kh8 14.Ne8 Qe8+–) 12...ef4?? (12...hg5 13.hg5 Nfe4–/+) 13.Bf6 (better is 13.Nf7 Qe7 14.Nd6 Be6 15.Ne8 Re8 16.0–0+–) 13...Qf6 14.Qh7?? (better is 14.Bf7 Kf8 15.Nh7 Kf7 16.Nf6 Kf6 17.Nc3+–) 14...Kf8–+ 15.Qh8?? (15.Bf7 Re3! 16.de3 Qa1 17.Qg8 Ke7 18.Qe8 Kf6 19.Nh7 Kf5 20.Bg6 Kg4 21.Bh5 Kf5 22.Bg4 Kg4 23.Qg6) 15...Ke7 16.Nf7 (16.Nc3 Kd7 17.Qh7 fe3 18.Nf3 ed2 19.Kd2 Qf4 20.Kd1 Qc4 21.Qf5 Kd8 22.Qc2–+) 16...Rh8 0–1. Galaxy8 – FlyBiMarc6, Live Game Caissa's Web, 2004.

7.d4 Nbd7 8.Nf3 Ng4 (8...a6 9.ba6 b6 10.Qe2=) 9.h3 Nh6 10.0–0 Nf6 11.Nbd2 c6 12.a4 cb5 13.ab5 b6 14.Ne5 Bb7 15.Ndf3 Ne4 16.Bd3 Nf5 (16...Bd5!?+=) 17.Nc6+/– Bc6 18.bc6 Neg3 (18...Ng5 19.d5!+/–) 19.fg3 (better is 19.Re1+–) 19...Ng3?? (19...Ne3!? 20.Bh7 Kh8+/–) 20.Qc2 (better is 20.Rf2+–) 20...Nf1 21.Rf1 h6 22.Ne5 Rc8?? (better is 22...Be5 23.de5 Qg5+–) 23.Bh7 Kh8 24.Nf7 Rf7 25.Rf7 Qg5 26.Bd3 (26.d5 Be5 27.d6 Qe3 28.Kf1 Bb2+–) 26...Qe3 27.Kh1 (better is 27.Kf1+–) 27...Qg3= 28.Kg1 Qh2?? (28...Qe3 29.Kf1 Rc6 30.Ra7 Qf4 31.Qf2 Qf2 32.Kf2 Kg8+–) 29.Kf1 (29.Kf2 Rc7 30.Rd7 Bg3 31.Kf3 Rc8+–) 29...Qh1? (better is 29...Bg3 30.Be4 Kg8+–) 30.Kf2 Qh2 31.Rf3 Be7 (31...Bf4 32.Ba6 Rg8+–) 32.d5 (better is 32.Ba6 Bh4 33.Ke3 Qg1 34.Kd3+–) 32...Bh4 33.Ke3 e5?? (better is 33...Bg5 34.Ke4 Qd6+/–) 34.g4 (better is 34.Ke4 b5+–) 34...Qg1 35.Ke4 Re8 36.Be5 Bf6= 37.Rf6 gf6 38.Kf5 fe5 39.c7?? Qd4 40.c8Q Qf4 41.Kg6 Qg5 42.Kf7 Qe7 43.Kg6 Qh7 0–1. typ48 – niepokonany48, kurnik, 2013.

7.Nf3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 b6 11.d4 Bb7 12.0–0 Nbd7 13.Nbd2 Re8 14.Qb3 Qe7 15.Bb2 e5?? (better is 15...c5=) 16.de5+– Ne5 17.Ne5 Be5 18.Be5 Qe5 19.Bf7 Kh8 20.Be8 Qe8 21.Qc4 Qd7 22.Nb3 Ne4 23.Rc1 Nc5 (23...Bd5 24.Qd3 Qf7+–) 24.Nc5 bc5 25.Qc5 h6 26.Qc7 Qb5 27.h3 Qd5 28.Qg3 Bc6 29.Kh2 Kh7 30.Ra1 Qd7 31.Ra5 Qb7 32.f3 Qb6 33.Qe5 Bd7 34.Rd5 Qc6 35.Rd6 Qc8 36.Qd5 Bf5 37.e4 Bg6 38.e5 Qf5 39.Qd4 h5 40.e6 Qg5 (40...Be8 41.e7 Qa5 42.f4+–) 41.Rd7 h4 (41...Qh6+–) 42.Qg7 1–0. carocan (1640) – radslws (1825), kurnik, 2012.

7.Nf3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0–0 Nb6 12.Be2 Bd7 13.Bf6 Qf6 14.d4 Re8 15.e4 (15.Bd3!?=) 15...e5+= 16.de5 Be5 17.Nbd2 Ra8 (17...Bd6!?+=) 18.Ne5= Qe5 19.Qc2 h6 ½–½. Hal1958 – Dany, playchess.de, 2002.

7.Nf3 c6 8.0–0 cb5 9.Bb5 a6 10.Be2 b5 11.Nc3 Bb7 12.d3 Nc6 13.e4 Qc7 14.d4 Be7 (14...Rfd8 15.Qd3–/+) 15.Rc1 (15.Bd3 Rfd8=) 15...Qf4 16.d5 ed5 17.e5? (better is 17.Nd5 Nd5 18.ed5+=) 17...Ne5–+ 18.Ne5 Qe5 19.Re1 Qd6 20.Bf3 Rac8 21.Qb3 Rc7 22.Rcd1 Rfc8 (better is 22...Qb4!?–+) 23.Nd5–/+ Nd5?? (23...Bd5 24.Bd5 Nd5 25.Be5–/+) 24.Bd5 (better is 24.Be5 Qb4 25.Bc7 Qb3 26.ab3+=) 24...Bd5–/+ 25.Rd5 Qb4 26.Rd3?? (better is 26.Rde5–/+) 26...Qe1 0–1. fjanusz52 – 7machin25e9, kurnik, 2013.

7.Nf3 c6 8.a4 cb5 9.ab5 b6 10.d4 Bb7 11.Nbd2 Nbd7 (11...Qd7 12.Ne5 Qe7 13.0–0=) 12.Qb3 Nd5 13.0–0 N7f6? (13...Qe7 14.Ne4 Bb4 15.Rfc1+=) 14.Ba3 (better is 14.e4!?+–) 14...Ba3 15.Ra3 Qe7 (15...Qb8 16.Ne5+/–) 16.Rfa1 Rfc8 17.Ra7 Ra7 18.Ra7 Ra8 19.Ra8 Ba8 20.Ne5 g6 (20...Bb7 21.Ndf3 Ne4 22.Nc6+–) 21.f3 Qb4 (21...Qa7!? 22.Qd3+–) 22.Qb4 Nb4 23.Kf2 Kf8 24.e4 Nc2 25.Nb3 Ke7 26.Ke2 Nd7 27.Nc6 Kd6 28.d5 (28.Bd3!? Na3 29.Na7 Bb7+–) 28...ed5 (28...Na3!? 29.de6 fe6 30.e5 Ne5 31.Ne5 Ke5+=) 29.Bd5+/– Na3 (29...f5 30.Ne7! Nc5 31.Nc8 Kc7 32.Ba8 Nb3 33.Ne7+=) 30.Bf7 Nb5 31.Nb4 Ne5 32.Bd5?? (32.Bg8 h6+/–) 32...Bd5?? (better is 32...Nc3 33.Kd2 Nd5 34.ed5 Bd5=) 33.Nd5+– Kc6 34.f4 Nc4 35.Kd3 Nb2 36.Ke3 Nc4 37.Kf3 Nbd6 38.Nf6 b5 39.Nh7 b4 40.Nf8 Kb5 41.Ng6 Ka4 42.Nd4 b3 43.Nb3! Kb3 44.e5 Nf5 45.g4 Nd4 46.Ke4 Kc3 47.f5 Nd2 48.Kd5 White prepares e6 48...N4f3 49.e6 Nh2 50.e7 (50.e7 Ng4 51.Ke6+–) 1–0. marvis (1795) – shahisti79 (1855), kurnik, 2013.

7.Nf3 c6 8.a4 cb5 9.ab5 Bd7 10.0–0 Qc7 11.Qb3 Ng4 12.h3 Nh6 13.d4 b6 14.Nbd2 Bc8 15.d5 ed5 16.Bd5 Bb7 17.Bb7 Qb7 18.Qc3 f6 19.Qc4 Kh8 20.Nd4 Be5 21.N2f3 Nd7 22.Ba3 Rfc8 23.Qe6 Re8 24.Qb3 Rac8 25.Rad1 Nc5 26.Bc5 bc5 27.Nc6 Rc6 28.Ra1 Rcc8 29.Ne5 fe5 30.Qc3 Nf5 31.g4 Nh4 32.Qe5 Qg2 0–1. olawoj – stipan265, kurnik, 2013.

7.Nf3 Nd5 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.Be2 Bd7 13.Nc3 Qe7 14.d4 Nd5 15.Ne4 Qe8 16.Nd6 cd6 17.e4 Nf6 18.Bd3 Bb5 19.Re1 Bd3 20.Qd3 Qc6 21.h3 Nbd7 22.Bb2 h6 23.Ba3 Ne8 24.e5 de5 25.Bf8 Kf8 26.Ne5 Ne5 27.Re5 Nf6 28.g4 Nd5 29.Qf3 Qc1 30.Kg2 Nf6 31.h4 b6 32.g5 hg5 33.hg5 Nh7 34.g6 Nf6 35.gf7 Kf7 36.d5 ed5 37.Rd5 Qh6 38.Rb5 Qg6 39.Kf1 Kg8 40.Rb6 Kh7 41.Qh3 Kg8 42.Rb8 Kf7 43.Qb3 Ke7 44.Rb7 Kd6 45.Rb6 Ke5 46.Qe6 Kf4 47.Rb4 Kg5 48.f4 Kh6 49.f5 Qg5 50.Qd5 Qc1 51.Kf2 Qc2 52.Kf3 Qc3 53.Kf2 Qb4 54.Qh1 Nh5 55.Qf3 1–0. brother – jawla, kurnik, 2013.

7.Nf3 Nbd7 8.0–0 Nb6 9.Bb3 Re8 10.Nc3 a6 11.a4 ab5 12.ab5 Ra1 13.Qa1 Bd7 14.d4 Bb4 15.Rc1 Bc3 16.Bc3 Bb5 17.Ba5 Nbd5 18.e4? (better is 18.Bd5 Nd5 19.e4=) 18...Ne4–/+ 19.Bd5 Qd5 20.Bc7 h6 21.Be5 b6 22.Qb2 f6 23.Bc7 Rc8 (23...Ra8!?–/+) 24.Bb6+= Rc1 25.Qc1 Be2 26.Nd2 Ng5 27.h4 Nf7 28.Nf1 Ba6 29.Ne3 Qe4 30.Qa1 Bb7 31.Bc5 (31.Qa7!?=) 31...f5 32.Qf1 Nh8 33.Bd6 (33.h5!?=) 33...Ng6 34.d5 (better is 34.h5!? Qd4 35.Bc7–/+) 34...ed5–+ 35.Qb5? (better is 35.h5 Nh4 36.Bc5–+) 35...d4 36.Qc4 Kh7 0–1. druhynejhorsi (1780) – barcelona6 (1835), kurnik, 2012.

7.Nf3 Nfd7 8.0–0 Nb6 9.Be2 N8d7 10.a4 a5 11.d4 Bb4 12.Nbd2 Bd2 13.Nd2 Nd5 14.Qb3 b6 15.Bf3 Bb7 16.Nc4 N7f6 17.Rac1 Rb8 18.Ne5 Qd6 19.Ba3 Nb4 20.Nc6 Bc6 21.Rc6 Qe7 22.Rb1 Nfd5 23.Bd5 ed5 24.Bb4 ab4 25.Qb4 Qb4 26.Rb4 Rb7 27.f3 Ra8 28.e4 de4 29.fe4 g6 30.Rbc4 Kg7 31.Rc7 Rc7 32.Rc7 Ra4 33.Rd7 Rb4 34.Rd5 Kf6 35.Kf2 Ke6 36.Kf3 f5 37.Kf4 fe4 38.Ke4 Rb1 39.Re5 Kd6 40.h4 Re1 41.Kf4 Rd1 42.Re4 Rb1 43.Kg5 Rb5 44.Kh6 Rh5 45.Kg7 Kd5 46.Rf4 b5 47.g3 b4 48.Kf6 b3 49.Rf3 Kc4 50.Rf2 Kd4 0–1. carocan (1650) – armiri (1705), kurnik, 2013.

7.Nf3 e5 8.Ne5+= Be5 9.Be5 Be6 10.Be2 Qd5? (10...Bd5!?+=) 11.d4 Qg2? (better is 11...Qd8!?+/–) 12.Bf3+– Qg5 13.Bb7 Nbd7 14.Qf3?? (better is 14.h4!? Qf5 15.Bf6 Nf6 16.Ba8 Ra8+–) 14...Rab8?? (better is 14...Ne5 15.de5 Qe5 16.Ba8 Qa1–/+) 15.Bc6?? (better is 15.Bf6 Qb5 16.Bg7 Kg7 17.Bc6+/–) 15...Ne5–+ 16.de5?? Qe5 17.0–0 Qa1 18.Qf4 Nh5 19.Qc7 Rbc8 20.Qa7 Qf6 21.a4 Bh3 22.Rd1 Rc6 23.bc6 Qc6 0–1. ariank – 2962, kurnik, 2011.

7.f4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Qb3 cb5 12.Bb5 Qb6 13.Nf3 Nc6 14.0–0 Bd7 15.Nd4 Na5 16.Qa4 Bb5 17.Qb5 Bc5 18.Qb6 Bb6 19.Na3 Ne4 20.Rb1 Bd4 21.Bd4 Nd2 22.Rb5 Ra8 23.Bc3 Nab3 24.Nc4 Nc4 25.Rb3 Ne3 26.Rb7 Nd5 27.Bd4 Nf4 28.Kf2 h6 29.g3 Ng6 30.h4 e5 31.Bc5 f6 32.h5 Nf8 33.Bf8 Kf8 34.Kf3 Re8 35.Ke4 Rd8 36.Kf5 Re8 37.Kg6 e4 38.Rf7 Kg8 39.Rg7 Kf8 40.Rf7 Kg8 41.Rf6 e3 42.Rf1 e2 43.Re1 Re6 44.Kf5 Kf7 45.g4 Ke7 46.g5 hg5 47.Kg5 Kd6 48.h6 Re8 49.h7 Kd5 50.Re2 Re2 51.h8Q Rg2 52.Kf4 Rf2 53.Ke3 Rf7 54.Qg8 Ke6 55.Ke4 Ke7 56.Ke5 Rf8 57.Qg7 Rf7 58.Qg5 Kf8 59.Ke6 Rg7 60.Qf6 Kg8 61.Qh6 Rh7 62.Qg5 Rg7 63.Qd8 Kh7 64.Kf5 Rf7 65.Ke6 Rg7 66.Kf6 Rg6 67.Kf5 Rg7 68.Qh4 1–0. carocan (1635) – helder31 (1675), kurnik, 2013.

7.f4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Qb3 cb5 12.Bb5 Bd7 13.Nf3 Bb5 14.Qb5 Qc7 (14...Qd7 15.Qd7 Nbd7 16.Ke2=) 15.0–0 (15.Bf6 gf6 16.0–0 f5+=) 15...Qc5 (15...Nbd7 16.Bd4=) 16.Nc3 (16.Qb7 Nbd7 17.Bd4 Qc2+/–) 16...Qb5 17.Nb5 Bc5 18.Bf6 gf6 19.Rb1 Nc6 20.d4 Bb4 21.e4 Ba5 22.Nd6 b6 23.Nc4 Rd8 24.Nb6?? (24.d5 ed5 25.ed5 Rd5 26.Nb6 Rd8+/–) 24...Bb6?? (better is 24...Rb8–/+) 25.Rb6+= Nd4 26.Kf2 Nf3 27.Kf3 Rd3 28.Ke2 Ra3 29.Rb2 Kg7 30.Rd2 h5 31.g3 h4 32.Kf2 hg3 33.hg3 Kg6 34.Kg2 e5 35.f5 Kg5 36.Rd7 (36.Rd8 Re3 37.Rg8 Kh5 38.Rh8 Kg5=) 36...Kg4 (36...Re3 37.Rf7 Re4 38.Kf3–/+) 37.Rf7 (37.Kf2 Ra2 38.Ke3 Kg3 39.Rf7 Ra3 40.Kd2 Kf4 41.Rf6 Ke4=) 37...Rg3 (better is 37...Ra2!? 38.Kf1 Kf3+=) 38.Kf2= Kf4 39.Rf6 Rf3 40.Kg2 Ke4 41.Rf8 Rf4 42.f6 Ke3 43.f7 e4 44.Kg3 Rf1 45.Kg4 Ke2?? (45...Rf3 46.Kg5 Kf2 47.Re8 Rf7 48.Re4=) 46.Kg5 e3 47.Kg6 Ke1 48.Re8 e2 49.Re2 Ke2 50.Kg7 Rf7 51.Kf7 ½–½. carocan (1790) – bebi52 (1700), kurnik, 2012.

5.c4 c6

6.a4 0–0 7.Nf3 Nbd7 (7...dc4 8.Bc4 cb5 9.ab5=) 8.Qc2 (8.d4 c5=+) 8...e5 9.d4 e4 10.Nfd2 (10.bc6 bc6 11.Ne5 Qc7 12.Nd7 Qd7=) 10...Ne8 (10...Ng4 11.Be2 Qh4 12.g3=) 11.c5 Bc7 12.Bc3 (12.Be2 Qh4=) 12...f5 13.g3 Ndf6 (13...Qg5 14.h4 Qd8 15.a5=+) 14.a5 (14.Be2 Be6=) 14...cb5 15.Bb5 Bd7 (15...Ng4 16.Qb3=) 16.Qb3 (16.Be2 Qe7=) 16...Rb8 (16...Bb5 17.Qb5 Rb8 18.0–0=+) 17.Bd7 (17.Be2 Be6=) 17...Qd7=+ (< 17...Nd7 18.Qd5 Rf7 19.0–0+/–) 18.Bb4 (18.0–0 Qe6=+) 18...Rf7 (18...Ng4 19.0–0=+) 19.Nc3= b6 (19...Bd8 20.0–0=) 20.cb6 ab6 21.a6 Bd6 22.0–0 Ra8 23.Rfb1 Nc7? 24.Bd6+/– Qd6 25.Qb6 Qb6 26.Rb6+– Rff8 27.Nb3 Rfb8 28.Rb8 Rb8 29.Nc5 Nfe8 30.N3a4 Nd6 31.a7 Rd8 32.Nb6 Na8 33.Nd5 (33...Kf7 34.Rb1+–; 33.Ne6!? Nb6 34.Nd8 Na8+–) 1–0. Iosif,Daniela – Geiger,Michael, Giessen op, 1993.

6.a4 a6 7.Nf3 dc4 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 c5 11.0–0 Nbd7 12.d4 0–0 13.Nbd2 (13.dc5 Bc5 14.Qc2 b6=) 13...Nb6 (13...cd4 14.Bd4 e5 15.Bc3=) 14.Bd3+= cd4 (14...Nbd5 15.Qe2+=) 15.Bd4 Nbd5 (15...Nbd7 16.Nc4 Bc5 17.Qa1+=) 16.Nc4+/– h6 (16...Be7!?+/–) 17.Nd6+– Qd6 18.e4 Nf4 19.e5 Qa3 20.ef6 Qd3 21.Qd3 Nd3 22.fg7 Re8 (22...Rd8 23.b6+/–) 23.Ne5 (23.Rd1 e5 24.Rd3 ed4 25.Rd4 Kg7 26.h3+/–) 23...Nf4 (better is 23...Rd8!? 24.Bc3 Nf4+/–) 24.Ng4+– Ne2 25.Kh1 Nd4 26.Nf6 Kg7 27.Ne8 Kf8 (27...Kg6 28.Nd6 Bd7 29.b6+–) 28.Nd6 Bd7 29.Nb7 Nb5 30.Rd1 Bc6 31.Nc5 Bd5 32.Rd3 Kg7 33.Nd7 Be4 34.Rg3 Kh8 35.Nf6 Bg6 36.h4 Kg7 37.Nd7 h5 38.Ne5 Nd4 39.Ng6 fg6 40.Re3 Nf5 41.Re4 Kf6 42.g3 e5 43.Ra4 (43...Nd4 44.Kg2+–) 1–0. Wolf – Hentze, corr DDR–cp FD'84/??/212, 1984.

6.cd5 ed5 7.Nf3 0–0 =+.

6.Nf3 Qc7 7.d4 (7.Bf6 gf6 8.cd5 cd5+=) 7...Nbd7 8.a4 dc4 9.Bc4 0–0 10.0–0 e5 11.h3 (11.Ne5 Ne5 12.de5 Be5 13.Be5 Qe5=) 11...h6 (11...e4!? 12.Nfd2 cb5 13.ab5 Nb6=) 12.Nc3 Re8 13.Qb3 Nb6 14.Rac1 (14.de5!? Be5 15.Ne5 Re5 16.Ne2+=) 14...Nc4=+ 15.Qc4 e4 16.Nd2 Be6 17.Qe2 Bb4 (17...Bd5!?=) 18.Nce4+= Ne4 19.Ne4 Bh3 20.Qf3 (20.gh3 Kh7) 20...Bf8?? (better is 20...Bd7+=) 21.gh3+– (21.Qh3?! Re4 22.Rc2 Qa5+=) 21...Re6 (21...Qb6 22.Qg4 cb5 23.ab5+–) 22.d5 Rg6 23.Kh1 Qa5 24.dc6 bc6 25.bc6 Rc8 26.Rg1 Rg1 27.Rg1 Qa4 (27...Rc6 28.Bg7! Bg7 29.Nf6 Rf6 30.Qf6+–) 28.Nf6 (better is 28.Bg7 Bg7 29.Qg4 Qe4 30.Qe4 Kh8+–) 28...Kh8 29.Qf4 Qc6?? (better is 29...Qf4 30.ef4 gf6 31.Bf6 Kh7+/–) 30.e4+– g6 31.Nd5 Kg8 32.Qe5 f6 33.Rg6 (33...Kh8 34.Rf6 Qc1 35.Kh2 Qh1 36.Kh1 Rc1 37.Bc1 Kg8 38.Qe6 Kh7 39.Rf8 a5 40.Qh6#) 1–0. Seifert,J – Fleck,Dankwart, corr DDR–H–261, 1987.

6.a4 Nbd7

7.Nf3 0–0 8.Qc2 e5 9.Be2 e4 10.Nd4 Ne5 (10...dc4 11.bc6 Ne5 12.cb7 Bb7 13.Bc4–/+) 11.bc6 bc6 12.c5 Bc7 13.0–0 Rb8 14.g3 (14.f4 Nd3 15.Bc3 Nc5 16.Nc6 Qd6 17.Nb8 Nd3 18.Bd3 ed3+–) 14...Bh3–/+ 15.Re1 Qd7 16.f3 ef3 17.Nf3 Bf5 18.Qc3 Rfe8 19.Ne5 (better is 19.Nd4!?–/+) 19...Be5–+ 20.d4 Ne4 21.Qb3?? (better is 21.Qc1 Qb7 22.Bc3–/+) 21…Rb3 (22.de5 Rb2–+) 0–1. Loewe – De Visser,Arnold, corr SOK–89–42, 1989.

7.Nf3 0–0 8.Be2 cb5 9.cb5 e5 10.0–0 =+.

7.Nf3 0–0 8.Be2 dc4 9.Bc4 (9.Na3 cb5 10.ab5 c3 11.Bc3 e5=) 9...cb5 (9...Nb6 10.Be2=) 10.ab5 Qc7 (10...Nb6 11.d3=+) 11.Be2 (11.d3 e5=) 11...e5=+ 12.d3 Nb6 13.Nbd2 (13.0–0 Qe7=) 13...Bd7 (13...Rd8 14.0–0=+) 14.Rc1 Qb8 15.d4 ed4 (15...e4!? 16.Ne5 Be6=+) 16.Bd4+= (< 16.ed4 Qe8 17.Qb3 Nbd5=+) 16...Nbd5 17.0–0 Re8 (17...Qe8 18.Qb3+=) 18.Qb3 (18.Bc4 Bg4 19.h3 Be6+/–) 18...a5 (18...Be6 19.Nc4+=) 19.Nc4 (19.Qa4 Bg4 20.h3 Be6+=) 19...b6 (19...a4 20.Qa2=) 20.Nd6 (20.Qa4 Rc8+=) 20...Qd6 21.Nd2 (21.Qa4 Qb4 22.Qb4 ab4+=) 21...Ra7 (21...a4 22.Qa2=) 22.Nc4 (22.Qa4 Rc7+=) 22...Qb8 23.Qb2 Re6 24.Bf3 Nb4 25.Be5 Qf8 26.Qd2 Bb5= 27.Bd6 Qc8 28.Bb4 Bc4=+ 29.Bg4 ab4–/+ 30.Be6 fe6 31.Qb4 Rc7 32.Rfd1 Nd5 33.Qd6 Rc6 34.Qe5 b5 35.Ra1 Be2 36.Re1 Bd3 37.Red1 Bc2 38.Rd2 Ba4–+ 39.h3 Rc1 40.Kh2 Ra1 41.Qa1 Qc3 42.Qa2 Qc7 43.Kg1 Qc4 44.Qa3 h6 45.Rd4 Qc6 46.Qd3 Bc2 47.Qa3 b4 48.Rb4 Nb4 49.Qb4 Qe4 50.Qc3 Bd3 51.Qc5 Qc4 52.Qb6 Kh7 53.Qa7 Qc1 (53...Kg6 54.Qe7–+) ½–½. Rau,Johann – Hesselbarth,Karlheinz, corr DDR–ch, 1977.

6.a4 e5

7.c5 Bc5 8.Be5 =+.

7.cd5 Nd5 8.e4 =+.

6.Nf3 0–0

7.Nc3 =+.

7.Be2. Hasler – Colliander, ICCF 1965.

5.c4 Qe7

6.a3 Nbd7 7.Nc3 dc4 8.Bc4 Nb6 9.Ba2 Bd7 10.a4 0–0–0 (10...0–0!?+=) 11.Nf3 Nbd5 12.Nd5 ed5 13.0–0 h5 14.d4 (14.Bf6 Qf6 15.Bd5 g5+=) 14...Rhg8 15.Ne5 Ng4 (15...Bg4 A) 16.Ng4 hg4 (worse is 16...Ng4 17.g3=) 17.a5 Rh8–/+; B) 16.Qc2+=) 16.h3 (16.Bd5!? Be5 17.de5+/–) 16...Ne5= 17.de5 Be5 18.Be5 Qe5 19.Rc1 (worse is 19.Bd5 Bf5 20.Bb7 Kb7 21.Qh5 g5–/+) 19...Be6 20.Qc2 Kb8 21.a5 Rc8 (21...Bf5 22.Qd1=) 22.a6+= c5 23.bc6 (23.ab7!? Kb7 24.Qa4+=) 23...Rc6+= (worse is 23...bc6 24.Qb3 Kc7 25.Qb7 Kd6 26.Qa7+/–) 24.Qb3 (24.Qh7!? Rc1 25.Rc1+= (25.Qg8? Rc8 26.Qh7 g6–+)) 24...Ra6–/+ 25.Rb1 Rb6 26.Qc2? (26.Qa3 Rc6+=) 26...Rb1?? (better is 26...Bf5 27.Qa4 Bb1 28.Bb1 Rc8–+) 27.Qb1–/+ Rc8 28.Qb4 Qd6?? 29.Qb2 g5–/+ 30.Rb1 b6 31.Qe2 g4–+ 32.h4 f5 33.g3–/+ d4 34.ed4 Ba2 35.Qa2 Qd4 36.Ra1 Rc7 37.Qg8 Kb7 38.Re1 f4 39.gf4 Qf4 40.Qd5–/+ Kb8 41.Re8 Rc8 42.Rc8 Kc8 43.Qa8 Kc7 44.Qa7 Kc6 45.Qa8 Kb5 46.Qe8= Kb4 47.Qe1? Kb5 48.Qb1?? Ka6?? 49.Qd3 Kb7 50.Qe3?? Qe3–+ 51.fe3 Kc6 0–1. elektrooon – scenic1998, kurnik, 2013.

6.a4 0–0 7.Nc3 +=.

6.a4 Bb4 7.Nc3 0–0 8.Nf3 Bc3 9.Bc3 Bd7 10.d4 Re8 11.Be2 Ne4 12.Bb2?? (12.Qb3 c5+=) 12...c6?? (better is 12...Qb4 13.Nd2 Qb2 14.Ne4 de4–+) 13.0–0+= dc4 14.Bc4 f6 (14...cb5 15.ab5 Qb4 16.Bd3 Qb2 17.Be4 Bb5 18.Rb1+– (18.Bb7?! Bf1 19.Ba8 Be2+=)) 15.Qb3 cb5 16.ab5 a6 17.Rfd1 a5 18.Ba3+– Qf7 19.Qd3 Ng5 20.Nh4 b6 21.Nf5! Rd8? 22.h4 Nf3 23.gf3 Qg6 24.Ng3 Kh8 25.Qg6 hg6 26.Kg2 g5 27.hg5 fg5 28.Rh1 Kg8 29.Ne4 Kf7 30.Ng5 Kf6 31.f4 Be8 32.f3 Nd7 33.Ne4 Kf7 34.Nd6 Ke7 35.Nb7 Kf7 36.Nd8 Rd8 37.f5 Kf6 38.fe6 Nb8 39.e7 Rd7 40.Rh4 Bg6 41.Rf4 Bf5 42.e4 g5 43.Rf5 Kg6 44.Rd5 Rd5 45.Bd5 Nd7 46.Bc6 Nf6+– 47.e8Q Kg7 48.Qf8 Kg6 49.e5 Nh5 50.Be4 1–0. elektrooon – kijka6, kurnik, 2013.

6.Nc3 a6 =.

6.Nc3 c5 =+.

6.d4 Bb4 7.Bc3 =+.

6.d4 dc4 7.Nd2 0–0 8.Ngf3 c6 9.Bc4= Re8 10.0–0 Ng4 11.Qb3 Qc7 12.h3 Nh2 13.Rfc1 Nf3 14.Nf3 e5? (Better is 14...a6+=) ½–½. Kusmierek,Jozef – Rutledge, corr 3GMM–20, 1997.

6.Nf3= a6 7.Be5 =.

6.Nf3 Bd7 7.a4 Bb4 8.Be2 0–0 9.0–0 c6 10.d4 cb5 11.ab5 a6 12.b6 (12.c5 b6 13.cb6 a5+/–) 12...a5 (better is 12...dc4!? 13.Bc4 Qd6+=) 13.c5+= Nc6 14.Nbd2 e5 15.Nb3 (15.Ne5!? Ne5 16.de5+/–) 15...e4= 16.Nfd2?? (16.Ne5 a4 17.Nd7 Nd7=) 16...Be6?? (better is 16...a4–+) 17.Bb5 Rfc8 18.f4 Bg4 19.Qc1 Nd7 (19...Bd7 20.Ba4=) 20.Ra4 Qf6 (better is 20...Nb6 21.cb6 Na7 22.ba7 Rc1 23.Rc1 Qf6=) 21.Qc2?? (21.Bc3!?+=) 21...Qg6 (21...Nb6 22.cb6 Na7 23.Bc4 Qb6 24.Bc3 dc4 25.Na5 Bc3 26.Qc3–/+) 22.Rf2 (22.Bc3=) 22...Bh3?? (better is 22...Nb6!? 23.cb6 Na7+=) 23.Nf1 (23.Bc3 Nb6 24.cb6 Nd4 25.Nd4 Bc3+=) 23...Nf6 (23...Be1 24.Re2 Bb4 25.Bc3+=) 24.Ng3 Ng4 (24...Bd7 25.Bc3 Ng4 26.Bb4 Nf2 (worse is 26...Nb4 27.Rb4 Bc6 28.Na5 Ra5 29.Bc6 Qc6 30.Re2+=) 27.Ba5 Ng4–/+ (27...Na5? 28.Bd7 Nc4 29.Qf2+–)) 25.gh3+/– Ne3? 26.Qe2 Nc4? 27.Bc1 h5? 28.Qh5 Qf6?? 29.Qg5 Qg5 30.fg5 e3? 31.Re2 Ne7 32.Be3 Ne3 33.Re3 Ng6 34.Nf5 Re8 35.Be8 Re8 36.Re8 Kh7 37.Na5 Nf4 38.Rb4 Nd3 39.Rb3 Nf4 40.Nb7 Nh3 41.Kh1 Ng5+– 42.Nbd6 g6 43.Ng3 Nf3 44.b7 Nd4 45.b8Q Nb3 46.Rh8 Kg7 47.Qf8 Kf6 48.Qf7 Kg5 49.Qd5 Kg4 50.Qb3 g5 51.Qc4 Kf3 52.Qe4 Kf2 53.Rf8 1–0. brother – kijka6, kurnik, 2013.

6.Nf3 0–0

7.Nc3 dc4 8.Bc4 e5 (8...Nbd7 9.0–0=) 9.d4 ed4 (9...Bg4 10.de5 Be5 11.Be2 Bf3 12.Bf3=) 10.Qd4 c5 (10...Be6 11.Be6 fe6 12.e4=) 11.Qh4 Nbd7 (11...Be6 12.Bd3 Rd8 13.Ng5+=) 12.0–0–0 (12.Bd3 Nb6+=) 12...Nb6= 13.Rd6 (13.Bd3!? c4 14.Bc2=). Katalymov,Boris Nikolayevich – Mukhitdinov, Alma Ata, 1958.

7.d4 dc4 8.Bc4 e5 (8...a6 9.0–0=) 9.0–0 (better is 9.de5!? Bb4 10.Nbd2+/–) 9...ed4 (9...e4 10.Ne5=) 10.Bd4 c5 11.Bb2 Rd8 12.Qc2 Nbd7 13.Nbd2 Ne5 14.h3 (14.Rac1 Bg4=) 14...Nc4 15.Nc4 Bb8 (15...Qe4 16.Qe4 Ne4 17.Nd6 Rd6 18.Be5=+) 16.Rfd1 Bd7 17.a4 Ne4 18.Rd5 Nf6 (18...Bc7!?+=) 19.Ng5 (better is 19.Bf6 gf6 20.Rad1+–) 19...g6?? (better is 19...h6 20.Bf6 Qf6+/–) 20.Qc3+– Kg7 (20...Bc7 21.Qf6 Qf6 22.Bf6+–) 21.Rad1 (21.Ne4 Kh6 22.Nf6 Bh2 23.Kh2 Rg8 24.Rd7 Qd7 25.Nd7 Raf8 26.Qf6 Kh5 27.g4 Kh6 28.Qh4) 21...Bc7 (21...Bg4 22.Rd8 Bd1+–) 22.Rd7! Rd7 23.Rd7 Qd7 24.Qf6 Kf8 25.Qh8 Ke7 26.Bf6# 1–0. Hohenberger – Voigt, corr, 1997.

5.d4 0–0

6.a3 c6 7.c4 dc4 8.Bc4 cb5 9.Bb5 Qa5 10.Nc3 e5 11.d5 (11.Qa4 Qa4 12.Ba4 Nbd7=) 11...a6+= 12.Bd3 e4 (worse is 12...Nd5 13.Bh7 Kh7 14.Qd5=) 13.Bc2 Bg4 14.Qd2 Be5 15.h3 (15.Rb1 Bf5=) 15...Nd5 16.Nd5 Qd2 17.Kd2 Bb2 18.Rb1 Rd8 19.Be4 (19.hg4 Rd5 20.Ke2 Rb5 21.Be4 Ba3 22.Rb5 ab5 23.Bh7 Kf8+=) 19...Be6 (19...Bf5 20.Bf5 (20.Rb2?? Be4 21.Ke2 Bd5–+) 20...Rd5 21.Ke2 Ba3 22.Be4=) 20.Rb2 Bd5 21.Bd5 Rd5 22.Ke2 b5 23.Nf3 Nc6 24.Rc2 Na5 25.Rhc1 Nc4 26.a4 Nd6 27.ab5 Nb5 28.Rc8 Rd8 29.Rd8 Rd8 30.Nd4 g6 31.Nb5 ab5 32.Rb1 Rb8 33.Kd3 Kg7 34.Kc3 Kf6 35.Kb4 Ke5 36.Rd1 Rb7 37.Rd4 g5 38.f4 (38.Kc5!?+=) 38...gf4= 39.Rf4 f5 40.g4 fg4 41.hg4 Kd5 ½–½. Dumontelle,Joe – Wang,M, Sudbury Quad, 2000.

6.Nd2 c6 7.a4 Bd7 8.f4 Ne4 9.Ngf3 f6 10.Bd3 f5 11.0–0 Be8 12.Ne5 Nd7 13.c4 Ne5 14.fe5 (worse is 14.de5 Bc5 15.Bd4 Bd4 16.ed4 dc4 17.Ne4 Qd4 (17...cd3 18.Nd6+/–) 18.Nf2 cd3 19.Qd3 Qf4–+) 14...Bb4 15.Be4 de4 16.c5 (better is 16.Ba3!? Ba3 17.Ra3+=) 16...Qg5 17.Qe2 Bh5 (17...cb5!? 18.a5 Bc6–/+) 18.Qf2= Rab8 19.Nb3 a5 (19...Be8!?=) 20.b6 Rbd8 21.Rac1 Rd5 22.Bc3 Ba3 23.Rc2 Bb4 24.Na5 Ba5 25.Ba5 Ra8 26.Qe1 Rdd8 27.Ra2 h6 28.Bd2 Bf7 29.a5 Qe7 30.Qe2 Ra6 31.Rfa1 g5 32.g4 Bg6 33.gf5 ef5 34.Kh1 Qe6 35.Rc2 Rf8 36.Qc4 Qc4 37.Rc4 f4 38.ef4 gf4 39.Be1 e3 40.Bh4 f3 41.Bf6? (41.Rcc1!?–/+) 41...f2 (41...Be4!? 42.d5 cd5 43.Re4 de4 44.Kg1–+) 42.Kg2 Be4 43.Kf1?? (43.Kg3 Ra5! 44.Rd1–+) 43...Bd3 44.Kg2 Bc4 45.Kf3 Ra5! 46.Ke3 (46.Ra5 f1Q Combination) 46...f1Q (46...Ra1 47.Kf2 Rfa8 48.Ke3 R8a3 49.Ke4 Re1 50.Kf5 Rf1 51.Kg6 Rh3 52.Bh4 Rh4 53.d5 Bd3) 47.Rf1 Bf1 48.Kf2 Rf6! 49.ef6 Ra1 50.d5 cd5 51.c6 bc6 52.b7 (52.b7 Rb1 53.b8Q Rb8 54.Kf1–+) 1–0. popovicigelu – paco1999 (1635), kurnik, 2012.

6.Nd2 Nbd7 7.c4 b6 8.Ngf3 c6 (8...a6 9.Ne5=) 9.a4 (better is 9.bc6 Nb8 10.cd5 ed5 11.Rc1+/–) 9...c5 10.Be2 Bb7 11.0–0 Re8 12.Ne5 cd4 13.Nd7 Qd7 14.ed4 dc4 15.Nc4 Bf4 16.g3 Bb8 17.Bf3 Nd5 18.Ne3 Ne3 19.fe3 Bf3 20.Qf3 Bd6 21.Ba3 Ba3 22.Ra3 Rf8 23.Rc3 Rad8 24.Rfc1 Qd6 25.Rc7 Qa3 26.Rf7?? (better is 26.Rf1 Qa4 27.Rf7+/–) 26...Rf7–+ 27.Qd1 (27.Qc6 Qe3 28.Kh1 Rdf8–+) 27...Rdf8 (better is 27...Qe3 28.Kh1 Rf2 29.Rb1 Qe4 30.Qf3 Qf3 31.Kg1 Qg2) 28.Qc2 (28.Qe1–+) 28...Qe3 29.Kh1 (29.Kg2 Rf2 30.Kh3 Qh6 31.Kg4 R8f4 32.gf4 Rf4 33.Kg3 Qg5 34.Kh3 Rf3) 29...Rf1 (29...Rf2 30.Qc6 Rf1 31.Rf1 Rf1 32.Kg2 Rf2 33.Kh3 Qh6 34.Kg4 Qg6 35.Kh3 Qh5) 30.Rf1–+ Rf1 31.Kg2 Qg1 32.Kh3 Rf2 33.Qc8 Rf8 34.Qe6 Kh8 35.Qd6 Qf1 36.Kh4 h6 37.d5 Kh7 38.Qe7 Rf7 39.Qe4 g6 40.d6 Qf6 41.Kh3 Rd7 42.Qe8 Qd6 43.Kh4 g5 44.Kh5–+ Qd1 45.g4 Rg7 46.Qe4= Kh8 47.Qe8 Rg8 48.Qe5 Kh7 49.Qe7 Rg7 50.Qe4 Kg8 51.Qe8 Kh7 52.Qe4 ½–½. popovicigelu – zaslaby, kurnik, 2012.

6.Be2 Bd7 7.a4 a6 8.c4 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 Qe7 12.Qb3 c6 13.Nf3 Nd5 14.0–0 Nb6 (14...Rc8 15.Nbd2=) 15.Be2 (15.bc6 Nc4 16.cd7 Na5+=) 15...c5 16.dc5 Bc5 17.Bd4 Bd4 18.Nd4 e5 19.Nf3 Be6 20.Qb2 f6 21.Nbd2 N8d7 22.Rc1 Rc8 23.Rc8 Nc8 24.Bc4 b6 25.Qb3 Kf7 26.h3 Nc5 27.Be6 Qe6 28.Qe6 (better is 28.Qc2=) 28...Ke6–/+ 29.Nc4 Kd5 30.Nfd2 Ne4 31.Ne4 Kc4 32.Kf1 Kb5 33.Ke2 Kc4 34.Kd2 h6 35.Kc2 f5 36.Ng3 g6 37.e4 f4 38.Ne2 Ne7 39.f3 b5 40.g3 g5 41.h4 b4 42.hg5 hg5 43.gf4 gf4 44.Kb2 Nc6 45.Ng1 Nd4 46.Kb1 Kd3 47.Kb2 Ke3 48.Ka2 Nf3 49.Nf3 (49.Nh3–+) 49...Kf3 50.Kb3 Ke4 51.Kb4 f3 0–1. popovicigelu – marcelfm (1605), kurnik, 2012.

6.Nf3 a5 7.a4 b6 8.Be2 Bb7 9.c4 Nbd7 10.0–0 c5 11.Nbd2 Ne4 12.Ne4 de4 13.Nd2 Qe7 14.Qc2 f5 15.Nb1 Rf6 (better is 15...Qh4 16.g3 Qg5+=) 16.Nc3?? (better is 16.dc5!? Nc5 17.Bf6 Qf6 18.Nd2+/–) 16...Rh6 (16...cd4 17.ed4 Bh2 18.Kh1 Rh6–+) 17.d5?? (better is 17.g3=) 17...Bh2 18.Kh1 Bg3 19.Kg1 Qh4 (19...Rh1! 20.Kh1 Qh4 21.Kg1 Qh2) 20.fg3+= Qg3 21.Qd2?? (21.de6 Rh2 (21...Qe3 22.Rf2 Qg3 23.Rf5=) 22.Bg4 Ne5–/+) 21...Qh2?? (better is 21...Rh2 22.Bg4 Qh4–+) 22.Kf2= Qh4 23.Kg1 Qh2 24.Kf2 Qh4 25.g3 Qh2 26.Ke1 Qg3 27.Kd1 Rh2? 28.Kc2 Ne5 29.Rg1 Qf2? 30.Raf1+– Qh4 31.Ne4?? Qe4–+ 32.Kb3 ed5 33.Rf4 dc4 34.Ka2?? c3 35.Bc3?? Qa4 36.Kb2 Nc4 37.Bc4+– Qc4 38.Qh2 Bd5 39.Rc4 Bc4 40.Qg2 1–0. popovicigelu – 0terazpolska (1670), kurnik, 2012.

6.Nf3 b6 7.Be2 Bd7 8.0–0 c5 9.c4 dc4 10.Bc4 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Nd5 14.Nc3 Nc3 15.Bc3 Qc7 16.Qb3 Rc8 17.Be2 cd4 18.Bd4 Bc5 19.Rc1 Qd6 20.Bc5 Rc5 Attacks the isolani on b5 21.Rd1 Qc7 22.Nd4 e5 23.Nf3 Be6 24.Qb4 f6 25.h3 Nd7 26.Ra1 h6 27.Ra8 Kh7 28.Bd3 f5 29.Nh4?? (better is 29.Ra1=) 29...e4 30.Bf1 Rc1 31.Qe7 (31.f4 Qc4 32.Qc4 Bc4 33.Nf5 Bf1 34.Ra7 Bb5 35.Kh2–+) 31...Qc4 (31...Rf1 32.Kf1 Qc1 33.Ke2 Bc4) 32.Qe6?? (better is 32.Kh2 Rf1 33.Qd8–+) 32...Qe6 (32...Rf1 33.Kh2 Qe6 34.Nf5 Qf5 35.Rc8 Qe5 36.g3 Rf2 37.Kg1 Qg3 38.Kh1 Qg2) 33.g3 Qc4 0–1. popovicigelu – mat1964, kurnik, 2012.

6.Nf3 Qe7 7.Be2 Nbd7 8.0–0 c6 9.a4 h6 10.c4 Re8 11.c5 Bb8 12.Nc3 e5 13.Qb3 e4 14.Nd2 Nf8 15.Bc1 Bg4 16.Bg4 Ng4 17.h3 Qc7 18.g3 Ne3 19.Re1 Nf5 20.Ne2 e3 21.fe3 Re3 (worse is 21...Ne3 22.Nf4 Nc2 23.Re8 Na1 24.Qa2+/–) 22.Qc2 (22.Qb2 Rg3 23.Kf2 Rg2 24.Kf3 Ng6 25.Kg2 Qh2 26.Kf3 h5 27.bc6 Ngh4) 22...Ng3 (better is 22...Rg3 23.Kf2 Rg2 24.Kg2 Ne3 25.Kf2 Nc2–+) 23.Nf1 Nf1 24.Kf1 Rf3 25.Kg1 Qh2 0–1. popovicigelu – varsandani, kurnik, 2012.

6.Nf3 h6 7.Be2 Nh7 8.0–0 c6 9.a4 a6 10.c4 Bc5 11.dc5 dc4 12.Bc4 Qe7 13.Qd6 Qe8 14.b6 Nd7 15.Ne5 Ne5 16.Be5 Bd7 17.Rd1 Rd8 18.Nc3 f6 19.Bg3 Kh8 20.Qc7 e5 21.Rd6 Ng5 22.Rad1 Rf7 23.Bf7 Nf7 24.Rd7 Rd7 25.Qd7 1–0. popovicigelu – elmirce (1670), kurnik, 2014.

6.c4 dc4

7.Bc4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.Ne2 cb5 12.Bb5 Qa5 13.Nbc3 Bb4 14.0–0 Bd7 15.Qa4 Qa4 16.Ba4 Bc3 17.Nc3 Nd5 18.Bd7 Nd7 19.Nd5 ed5 20.Rb1 Rb8 21.Bc3 b5 22.f3 Nf6 23.Kf2 Ne8 24.e4 de4 25.fe4 f6 26.Ke3 Kf7 27.g4 h6 28.h4 Nd6 29.e5 fe5 30.de5 Nc4 31.Kd4 Ke6 The isolani on e5 becomes a target 32.Kc5 Exerts pressure on the isolated pawn (32.Ra1 g6=) 32...g6 (32...Rc8 33.Kb4 Ne3 34.Bb2–/+) 33.Rb5 (better is 33.Ra1!? b4 34.Kc4 bc3 35.Ra6 Ke5 36.Kc3=) 33...Rb5–/+ 34.Kb5 Ne5 35.g5 h5 (better is 35...hg5 36.hg5 Nf3–/+) 36.Kc5?? (better is 36.Be5 Ke5 37.Kc5=) 36...Nf3–+ 37.Bf6 Nh4 38.Kd4 Kf5 39.Kd5 (39.Ke3–+) 39...Nf3 40.Kd6 (40.Be7–+) 40...h4 41.Ke7 h3 42.Kf7 h2 0–1. popovicigelu – emarko (1650), kurnik, 2012.

7.Bc4 c6 8.a4 a6 9.Nf3 ab5 10.ab5 Ra1 11.Ba1 cb5 12.Bb5?? (better is 12.Bd3+=) 12...Qa5–+ 13.Nc3 Bb4 14.Qd2 (14.Bd3 Bc3 15.Bc3 Qc3 16.Qd2 Qa1 17.Qd1 Qa5 18.Qd2–+) 14...Qa1 15.Ke2 Qc3 (better is 15...Qh1 16.Qb2 Bc3 17.Qc3 Qg2 18.Bd3–+) 16.Qc3 Bc3 17.Rc1 Bb4 18.Rc4 Bd6 19.Nd2 Bd7 20.Bd7 Nbd7 21.e4 e5 22.d5 Nc5 23.f3 b5 24.Rb4 Nce4 25.Ne4 (25.Re4 Nd5 26.Kf1–+) 25...Bb4 26.Nf6 gf6 0–1. popovicigelu (1620) – profmoriarty, kurnik, 2012.

6.c4 c5

7.bc6 bc6 8.c5 Bc7 9.Bc3 Nbd7 10.Nd2 e5 11.Ngf3 e4 12.Ng1 Rb8 13.Rb1 Rb1 14.Qb1 Ba5 15.Qb3 Bc3 16.Qc3 Qc7 17.Ne2 Ng4 18.h3 Nh2 19.Nf4 Nf1 20.Kf1 Ba6 21.Kg1 Rb8 22.g3 g5 23.Nh5 f5 24.h4 f4 (better is 24...g4!?=) 25.hg5+/– fg3 26.Ng3 Qd8 27.Rh5 Qe8 28.Kg2 Qg6 29.Ndf1 h6? (better is 29...Bf1 30.Kf1 Rb1 31.Kg2 Qf7+=) 30.Rh6+– Qg5 31.Rc6 Bf1 32.Kf1 Rb1 33.Ke2?? (better is 33.Kg2 Qg4 34.Qc2+–) 33...Qg4 34.Kd2 Qd1 0–1. popovicigelu – papa25, kurnik, 2012.

7.bc6 bc6 8.c5 Bc7 9.Bc3 Nbd7 10.Nd2 e5 11.Ngf3 e4 12.Ng1 h6 13.a4 Nh7 14.a5 a6 15.Qb3 Rb8 16.Qc2 f5 17.Rb1 Rb1 18.Qb1 Ndf6 19.Ne2 Ba5 20.Ba5 Qa5 21.Nf4 g5 22.Ng6 Re8 23.Ne5 Qc7 24.Qa2 a5 25.Be2 Nd7 26.Nd7 Bd7 27.0–0 Ra8 28.Ra1 Nf6 29.Qb2 Kg7 30.Ra4 Bc8 31.Qa3 Nd7 32.Nb3 Rb8 33.g3 Kg6 34.Na5 Rb1 35.Kg2 f4 36.ef4 gf4 37.Bg4 f3 38.Kh3 Nf6 39.Bc8 Qc8 0–1. popovicigelu – elmirce, kurnik, 2014.

7.bc6 Nc6 8.c5 Bc7 9.Nf3 Re8 10.Bb5 a6 11.Bc6 bc6 12.0–0 Rb8 13.Bc3 Ne4 14.Be1 f6 15.Nc3 f5 16.Ne4 fe4 17.Nd2? (better is 17.Ne5!? Be5 18.de5=) 17...e5–/+ 18.Nb3 Qg5 19.de5?? (19.h4 Qg6 (worse is 19...Qh4 20.f4 Qh6 21.de5–/+) 20.f3 ed4 21.Nd4 Rb2–+) 19...Be5 (19...Bh3 20.g3 Bf1 21.Kf1 Be5 22.Nd4–+) 20.Rb1? (better is 20.f4 ef3 21.Qf3–+) 20...Bh3 21.g3 Bf1 22.Kf1 Rf8 23.Ba5 (23.Kg1–+) 23...Qh6 24.Kg1 (24.Be1 Qh2 25.g4–+) 24...Qh3 (better is 24...Rf2! 25.Qd5 cd5 26.Kf2 Qh2 27.Kf1 Rf8 28.Ke1 Qg1 29.Ke2 Rf2) 25.Qe2 Rf6 26.Qa6 (26.Rf1–+) 26...Rh6 27.Nd2 Qh2 28.Kf1 Qh1 (28...Rf8 29.Ke1 Qf2 30.Kd1 Qe3 31.Kc2 Qc5 32.Kb3 Rb8 33.Ka4 Qc2 34.Rb3 Qa2 35.Ra3–+) 29.Ke2 Qh5 30.Ke1 Qe8 31.Rb8 Rh1 32.Ke2 Bb8 33.g4 h5 34.Nf1 hg4 35.Ng3 Rh2 36.Nf5 Qf8 37.Qb7 g3 38.Be1 g2 39.Ne7 Kh7 40.Nc6 g1Q 41.Nb8 Qgf2! 42.Bf2 Qf2 43.Kd1 Qd2 0–1. popovicigelu – artmic, kurnik, 2012.

7.Nf3 Bd7 8.a4 cd4 9.ed4 dc4 10.Bc4 Ne4 11.Nbd2 Bb4 12.0–0 Nc3? (better is 12...Nd2!? 13.Nd2 a6=) 13.Qb3+/– (13.Qb3 Qa5 14.Ba3 Ba3 15.Ra3+/– (15.Qa3?! a6+=)) 1–0. popovicigelu – kron10, kurnik, 2012.

6.c4 c6

7.c5 Bc7 8.a4 b6 9.cb6 ab6 10.Nf3 Bb7 11.Be2 Nbd7 12.Qc2 c5 13.dc5 Nc5 14.Ba3 (better is 14.a5!?+=) 14...Bd6 15.Bc5 Bc5 16.Nbd2 Rc8 17.Qd3 e5 18.Ne5 Re8 19.Nef3 Ne4 20.0–0 Nd2 21.Qd2 (21.Nd2?! d4 22.e4 Bb4=) 21...Qf6 22.Rfd1 White prepares the advance a5 22...g5 23.g3 h5 24.Nd4 h4 25.a5 Bd4 26.Qd4 Qd4 27.Rd4 (worse is 27.ed4 Re2 28.a6 Ba8–/+) 27...hg3 28.hg3 f5 (28...ba5 29.Ra5 Ra8 30.Ra8 Ra8+–) 29.a6 Ba8 30.Bf1 Re4 31.Bg2 Rd4 32.ed4 Rc4?! (32...Kf7+–) 33.Re1 Rd4 (33...Kf7 34.Re5 Rd4 35.Rf5 Ke7 36.Rg5 Rd1 37.Kh2 Kf7+–) 34.Re8 Kg7 35.Ra8 Rd1 36.Kh2 d4 37.Rd8 d3 (37...Ra1 38.Rd4 Kf6 39.Rd7+–) 38.a7 d2 (38...Ra1 39.a8Q Ra8 40.Ba8 Kf6+–) 39.a8Q Rh1 40.Bh1 d1Q (40...f4 41.Qb7 Kf6 42.Qc6 Kf5 43.Rf8 Kg4 44.Bf3) 41.Rd1 f4 (41...g4 42.Qb7 Kf6 43.Rd6 Kg5 44.Qe7 Kh5 45.Qh4) 42.Rd7 Kf6 (42...Kg6 43.Qc6 Kf5 44.Rf7 Ke5 45.Qd5) 43.Qc6 Kf5 44.Rd5 (44.Rf7 Ke5 45.Qd5) 44...Kg4 45.Qe6 Kh5 46.Bf3 1–0. popovicigelu – sznytpol7777 (1610), kurnik, 2012.

7.c5 Bc7 8.a4 Bd7 9.Nf3 Qe7 10.Be2 Re8 11.0–0 Bc8 12.Qc2 Nbd7 13.Nbd2 e5 14.de5 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.Nf3 Qe7 18.Bd3 h6 19.Nd4 Bd7 20.Rac1 Rac8 21.b6 (21.Rfd1 Ne4+=) 21...a6 (better is 21...ab6!? 22.Nf5 Bf5 23.Bf5 Ra8 24.cb6 Qb4+=) 22.a5 Qe5 23.Bf5 Bf5 24.Nf5 Rb8 25.Nd6 Re6 26.Qf5 Qf5 27.Nf5 Ne4 28.f3 Nf6 29.Kf2 Ne8 30.Rfd1 Kh7 31.Nd4 Re5 32.Re1 Nf6 33.g4 g6 34.h4 Rbe8 35.Rc2 Nd7 36.f4 Re4 37.g5 hg5 38.hg5 Kg7 39.f5 f6 40.gf6 Kf6 41.fg6 Kg6 42.Rg1 Kf6 43.Re1 Ne5 44.Rc3 Nc4 45.Re2 Ke5 46.Nf3 Kf5 47.Nd4 Kg4 48.Rc1 Re3 (48...Na5?! 49.Rg1 Kh5 50.Kf1 Rf8 51.Ke1=) 49.Rg1 Kf4 50.Re3 Re3 51.Ne2 Ke4 52.Rg4 Kd3?? (better is 52...Kf5 53.Rg7 Re8 54.Rb7 Na5 55.Ng3 Ke5–/+) 53.Nf4?? (better is 53.Rd4 Kc2 54.Rc4 Kb3 55.Rf4+–) 53...Kd2–+ 0–1. popovicigelu – marcelfm, kurnik, 2012.

7.c5 Be7 8.a4 b6 9.cb6 ab6 10.Nc3 c5 11.Nf3 cd4 12.Nd4 e5 13.Nf3 Qc7 14.Be2 Be6 15.0–0 Rd8 16.Qd2 d4 17.ed4 ed4 18.Nd1?? (better is 18.Nd4!? Ng4 19.Bg4 Bg4 20.Ne4+/–) 18...Bc5 19.Rc1 (19.Nd4? Bd4 20.Bd4 Qd6–+; 19.Bd4? Bd4 20.Nd4 Qe5–+) 19...Ne4 (better is 19...Ra4 20.Bd3 Qd6–/+) 20.Qc2+= d3? (better is 20...Qf4 21.g3 d3 22.Qd3 Rd3 23.gf4 Rd8+=) 21.Bd3+– f5 22.Be4 fe4 23.Nd4! (23.Qe4?! Bd5 24.Be5 Qe7+/–) 23...Bd5 24.Nf5 Nd7?? 25.Ng7 Qf4 26.Nh5 Qg5 27.Ng3 e3 28.fe3 Rac8?? 29.Qf5 Be3 30.Ne3 Qe3 31.Kh1 Rc1 32.Qd5 1–0. popovicigelu – zaslaby (1635), kurnik, 2012.

6.Nf3 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.bc6 bc6 11.c4 +=.

7.a4 Ne4 8.Nbd2 (8.Bd3 ab5 9.ab5 Ra1 10.Ba1 c6 11.Nbd2=) 8...ab5 9.ab5 Ra1 10.Ba1 Nd2 11.Qd2 =.

7.c4 ab5 8.c5 Be7 9.Bb5 b6 10.cb6 cb6 11.0–0 +=.

7.c4 b6 8.Qc2 (8.Ne5 Bb7 9.Nc3 dc4 10.Nc4 Bb4 11.ba6+=; 8.Nc3 Bb7 9.cd5 Nd5 10.Qc2 Nb4 11.Qb1+=; 8.a4 Bb7 9.Nc3 Bb4 10.Qc2 c5 11.dc5+=) 8...c6 9.a4 dc4 10.Bc4 Bb7 11.Nc3 +=.

7.c4 dc4 8.Bc4 ab5 9.Bb5 c6 10.Bd3 Bb4 11.Bc3 Bc3 12.Nc3 Qa5 13.Qd2 b6 14.0–0 Nbd7 15.Ne4 Qd2 16.Ned2 c5 17.Rfc1 cd4 18.Nd4 Nc5 19.Bb5 Bd7 20.Nc4 e5? (20...Nd3!? 21.Rd1 Bb5 22.Nb5 Nb4+=) 21.Nc6 Rfe8?? (better is 21...Bc6 22.Bc6 Rac8 23.Ne5 Ng4 24.Ng4 Rc6+/–) 22.Nb6+– (22.N4e5?! Re5 23.Ne5 Bb5+=) 22...Bc6 23.Bc6 (23.Rc5?! Ra5+–) 23...Ra6 24.Be8 Ne8 25.Rc5 Rb6 26.Rc8 (better is 26.Re5!? Kf8+–) 26...Kf8 27.a4 f5 (27...Ke7 28.a5 Ra6 29.Rb8+–) 28.a5 Ra6 29.Rc5 Nd6 30.Re5 Kf7 31.f4 g6 32.Rb1 Ne4 33.Rb6 Ra7 34.a6 Ra8 35.Reb5 Rc8 36.Rb7 Ke6 37.R5b6 Kd5 38.h3 Rc1 39.Kh2 Nf2 40.a7 Rh1 41.Kg3 Ne4 42.Kh4 h6 43.a8Q g5 44.fg5 hg5 45.Kh5 Ng3 46.Kg5 Ne4 47.Kf5 Nd6 48.Rd6! Kd6 49.Qa6 Kc5 50.Rb5 Kc4 51.Qa4 Kc3 52.Rb3 Kd2 53.Qa2 Kc1 54.Rb1 1–0. popovicigelu – niepis (1610), kurnik, 2012.

7.c4 dc4 8.Bc4 ab5 9.Bb5 Bd7 10.Bd3 Na6 11.0–0 +=.

6.Nf3 c5

7.c4 Nbd7 8.Nbd2 b6 9.Rc1 Bb7 10.Be2 Rc8 11.0–0 Qe7 12.Nb3 Rfd8 13.Qc2 cd4 14.ed4 dc4 15.Bc4 Bf3 16.gf3 Nd5 17.Qe4 (17.Rfd1 Bf4 18.Ra1–+) 17...f5 18.Qe1 Qh4 (better is 18...Qg5 19.Kh1 Qf4 20.Qe6 Kh8 21.Qd6 Qd6–+) 19.Qe6= Kh8 20.Qd6 Nf4 21.Kh1 Nc5 22.Qe5 (22.Qc5 bc5) 22...Nb3 23.ab3 (23.Bb3?! Rc1 24.Rc1 Nd3+–) 23...Rf8 24.d5 Rf6 (24...Qh6 25.Rfd1+–) 25.Rce1 (25.Be2!? Rd8 26.Rc4 Rg6 27.Qf4 Qf4 28.Rf4 Rd5+–) 25...Rcf8 26.Qe7 (better is 26.Qc7 Rg6 27.Qe7 (27.Qa7? Qh3 28.Bg7 Rg7 29.Qg7 Kg7 30.Rg1 Kh8–+) 27...Qh2 28.Kh2 Rh6 29.Qh4 Rh4 30.Kg3+–) 26...Qh3–+ 27.Qg7 Kg7 28.Re7 (28.Rg1 Kh6 29.Rg3–+) 28...Kh6 0–1. Dashkevich,N – Iskenderova,Khaiala, Wch U10 Girls, 1998.

7.dc5 Bc5 8.Bd3 a6= 9.a4 Bb4 10.Nbd2 Nbd7 11.0–0 =.

7.bc6 bc6 8.Nbd2 (8.Bd3 Na6 9.Ne5 Qb6 10.Bc3 c5 11.Qf3+=; 8.c4 Ba6 9.Qa4 dc4 10.Bc4 Bc4 11.Qc4=) 8...Nbd7 9.c4 Rb8 10.Qc2 c5 11.Bd3=.

7.bc6 Nc6+= 8.a3 (8.c4 Rb8+= 9.Nc3 Qa5 10.Qb3 a6 11.Rc1+=) 8...Qb6 9.Qc1 (9.Ra2 Qa5 10.Qd2 Qd2 11.Nbd2= 9...Re8 (9...Qa5 10.Qd2+= (10.Nbd2 b5 11.Bd3+=) 10...Qc7 11.c4+=) 10.Bd3 (10.c4 Qa5 11.Qd2=) 10...e5 (10...Qa5 11.Nbd2+= (11.Qd2+=)) 11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5 14.0–0 (14.Nd2 Rg5 15.g3 d4 16.ed4 Qc6+=) 14...Qd6 (14...Rg5 15.Kh1+=) 15.c4 (15.Nd2 Rh5 16.g3 Ng4+=) 15...Rh5 16.f4 dc4 17.Qc4? (17.Bc4 Qe7 18.Ra2 b5–/+) 17...Ng4?? (17...Be6 18.Qc3 Rc8 19.Qd4–+) 18.Qe4? (better is 18.Be2+=) 18...Bf5–+ (18...Rh2?! 19.Qe8 Qf8 20.Qf8 Kf8 21.Nc3–/+) 19.Qb7 Rb8 20.Qa7 (20.Bf5 Rb7 21.Bg4 Rh4–+) 20...Bd3 21.Rd1 Rh2 22.Nc3 (22.Qb8 Qb8 23.Rd3–+) 22...Rh1! 23.Kh1 Qh6 24.Kg1 Qh2# 0–1. Post – van der Kooij,Jaap, corr, 1985.

6.Nf3 c6

7.a4 Qa5 8.Nbd2 Nbd7 9.Bd3 c5 10.dc5 Nc5 11.Bf6 =.

7.a4 a6 8.c4 (8.Ba3 Ba3 9.Na3 Qa5 10.Qd2 Qa4 11.bc6–/+; 8.Nbd2 ab5 9.ab5 Ra1 10.Qa1 Bd7 11.bc6+=) 8...b6 9.Ba3 c5 10.Nc3 Ne4 11.Ne4 +=.

7.a4 cb5 8.ab5 Bd7 9.c4 dc4 10.Bc4 Ne4 11.0–0 Qe8 12.Qb3 a6 13.Nc3 Nc3 14.Bc3 Bc8 15.Rfb1 Nd7 16.b6 Nf6 17.Bb4 Bb4 18.Qb4 Bd7 19.Ne5 Ne4 20.Bd3 Nf6 21.Rc1 Nd5 22.Qb3 Rc8 23.Be4 Nf6 24.Bf3 Rc1 25.Rc1 Bb5 26.Bb7 Qb8 27.Rc7 Ne8 28.Nd7 Bd7 29.Rd7 Nf6 30.Rc7 Ne8 31.Re7 Nd6 32.Ba6 Rd8 33.b7 Kf8 34.Re6 fe6 35.Qe6 Nf7 36.g3 Rd6 37.Qa2 Nd8 38.Qa3 Kg8 39.Bc4 Kh8 40.Ba6 Rb6 0–1. popovicigelu – elmirce (1660), kurnik, 2014.

7.a4 Nbd7 8.Nbd2 (8.Bd3 c5 9.0–0 c4 10.Be2 a6 11.Ba3=; 8.Be2 a6 9.0–0 ab5 10.ab5 Ra1 11.Ba1=) 8...c5 9.dc5 Nc5 10.Be2 Re8 11.c4 =.

7.a4 h6 8.c4 Nh7 9.c5 Bc7 10.Bd3 f6 11.0–0 Nd7 12.Qc2 Ng5 13.Ng5 fg5 14.Nd2 e5 15.de5 Ne5 16.Be5 Be5 17.Rac1 Qc7 18.Nf3 Bg4 19.Ne5 Qe5 20.h3 Bh5 21.Bg6 Bg6 22.Qg6 Rf6 23.Qd3 Raf8 24.bc6 bc6 25.Rb1 Qe6 26.Rb7 g4 27.hg4 Qg4 28.Ra7 h5 29.Qd4 Qg5 30.g3 Rf3 31.Qh4 Qf5 32.Qe7 Qg4 33.Qe5 h4 34.Qd4 Rg3 35.fg3 Qg3 0–1. popovicigelu – niemamocny, kurnik, 2013.

7.c4 cb5 8.c5 Qa5 9.Nc3 b4 10.Nd5 ed5 11.cd6 +=.

7.c4 b6 8.cd5 (8.Ne5 Bb7 9.Nc3 dc4 10.Nc4 Bb4 11.bc6+=; 8.Ba3 Ba3 9.Na3 dc4 10.Nc4 cb5 11.Nce5+=; 8.Qc2 a6 9.a4 dc4 10.Bc4 Bb7 11.Nc3+=; 8.bc6 Nc6 9.Nbd2 dc4 10.Bc4 Bb7 11.0–0+=) 8...ed5 9.bc6 Nc6 10.Bb5 Bd7 11.Ba3 +=.

7.c4 dc4 8.bc6 (8.Bc4 cb5 9.Bb5 Qa5 10.Nc3 Bb4 11.Qd3+=) 8...b5 9.a4 b4 10.Bc4 Nc6 11.Nbd2 +=.

7.c4 Bd7 8.a4 (8.c5 Be7 9.a4 Qc7 10.Nbd2 b6 11.Bd3=) 8...dc4 9.Bc4 Qc7 10.Ba3 Ba3 11.Na3 =.

7.c4 Ne4 8.Nbd2 (8.c5 Be7 9.Qa4 b6 10.cb6 Qb6 11.Ba3+=) 8...Qa5 9.a4 Rd8 10.c5 Bc7 11.Bd3 +=.

6.Nf3 Nbd7

7.Bd3 c5 8.0–0 (8.dc5 Nc5 9.0–0 a6 (9...Nd3 10.Qd3 a6 11.a4 b6 12.Rd1 Bb7=) 10.a4 b6 11.Nbd2 Nfd7 12.e4 Nd3=; 8.bc6 bc6 A) 9.Nc3 e5 (9...Rb8 10.Rb1 e5 11.de5 Ne5 12.Nd4 c5+=) 10.de5 Ne5 11.Ne5 Be5 12.Na4 Bb2+=; B) 9.0–0 Rb8 10.Qc1 c5 11.c4 Ba6 12.Ba3 Qc7+=; C) 9.c4 Rb8 (9...Ba6 10.c5 Bd3 11.Qd3 Rb8 12.Bc3 Be7+=; 9...dc4 10.Bc4 Rb8 11.Qc2 c5 12.Nbd2 cd4+=) 10.Qc2 dc4 11.Bc4 c5 12.Nbd2 cd4+=) 8...c4 9.Be2 Qc7 (9...a6 10.ba6 Ra6 11.a4 Nb6 12.a5 Nbd7+=) 10.Nc3 (10.Ba3 Ba3 11.Na3 Ne4 12.Qe1 Qd6+=) 10...a6 (10...Qa5 11.Qe1 b6 12.a3 a6+=) 11.a4 Qa5 (11...Bb4 12.Na2 Be7=) 12.ba6 ba6 13.Nb1 Ne4 14.Nbd2 f5 15.c3 Nc3 16.Bc3 Qc3 17.Qc1 Qc1 18.Rfc1 Rb8 19.Rc2 Bb7 20.g3 Rfe8 21.Ng5 h6 (21...h6 22.Nh3 g5–+) 0–1. Schmitt – Bendig,Frank, corr, 1985.

7.Be2 a6 8.a4 c5 9.c4 b6 10.0–0 Re8 11.Nbd2 Bb7 12.Qb3 e5 13.Rfc1 (13.de5!? Ne5 14.ba6 Ra6 15.Be5 Be5 16.Ne5 Re5 17.cd5 Qd5 18.Qd5 Rd5 19.Rfd1+=) 13...e4 14.Ne1 Nf8 15.cd5 Nd5 16.g3 Ng6 (better is 16...a5=) 17.Ne4?? (better is 17.ba6 Bc6 18.a5 ba5 19.dc5+/–) 17...Re4–/+ 18.Bf3 f5 (better is 18...Nb4!? 19.Be4 Be4 20.dc5 bc5–/+) 19.Be4 fe4 20.Ng2 (20.ba6 A) worse is 20...Ra6 21.dc5 Bc7 22.f3 bc5 23.fe4+= (worse is 23.Qb7 Rb6 24.Qa7 Rb2+=); B) 20...Bc6+=) 20...Kh8 21.Qc2 (better is 21.ba6!? Bc6 22.Rd1–/+) 21...Nb4–+ 22.Qc3 Nd3 23.dc5?? (better is 23.Rd1–+) 23...Bc5 (better is 23...Be5 24.Qc2 Bb2–+ (24...Nb2?! 25.c6 Bc8 26.Qe4–+)) 24.Qg7 1–0. popovicigelu (1605) – 2011shadow (1625), kurnik, 2012.

7.Be2 a6 8.c4 ab5 9.cb5 c6 10.0–0 Qc7 11.a4 Re8 12.Qb3 Ne4 13.Nbd2? (13.a5 c5= (13...Ra5? 14.b6 Qb6 15.Qb6 Ra1 16.Qb3+–)) 13...Ndf6 (13...Nd2 14.Nd2 Bh2 15.Kh1–/+) 14.Ba3 (better is 14.Ne4!? Ne4 15.a5+=) 14...Nd2 15.Nd2 Bh2 16.Kh1 Bd6 17.Bd6 Qd6 18.Rfc1 e5 19.bc6 bc6 20.de5 Qe5 21.Nf3 Qh5 22.Kg1 Ba6 23.Ba6 Ra6 24.Qb7 Raa8 25.Qc6 d4 (better is 25...Ne4!?=) 26.Nd4 Ng4 27.Nf3 Rad8 28.a5 Re6 29.Qc7 Rf8 30.a6?? (better is 30.Rc5 f5 31.Rc6+–) 30...Rf6?? (better is 30...Rh6 31.Kf1 Qb5 32.Kg1 Qh5=) 31.a7 Rf3?? (31...Rh6 32.Nh2! Nh2+–) 32.gf3 (better is 32.a8Q g6 33.Qf3 Qf5 34.Qf5 gf5+–) 32...Ne5 (32...h6 33.a8Q Ra8 34.Ra8 Kh7 35.fg4 Qg4 36.Qg3+–) 33.a8Q Nf3 34.Kf1 Nd2 35.Kg1 Qg4?? (35...Nf3 36.Kg2 Nh4 37.Kf1 Ng6+–) 36.Qg3+– (36.Qg3 Qg3 37.fg3+–) 1–0. popovicigelu (1610) – zaslaby, kurnik, 2012.

7.Bd3 Nb6

8.0–0 A) 8...Ne4 9.Ba3 (9.a4 a6 10.Nbd2 ab5 11.ab5 Ra1 12.Ba1 Bd7= –0.06 ) 9...a6 (9...Bd7 10.Ne5 Qe7 11.Qc1 f6 12.Nd7 Qd7= 0.25 ; 9...f5 10.Bd6 cd6 11.Qe2 Qc7 12.a4 Bd7= 0.19 ; 9...f6 10.Bd6 Qd6 11.a4 e5 12.a5 Nc4+= 0.34 ; 9...Ba3 10.Na3 Bd7 11.c4 a6 12.Qc2 ab5+= 0.34 ) 10.Bd6 Qd6 11.ba6 ba6 12.Nbd2 Nc3= 0.12 ; B) 8...Bd7 B1) 9.Ba3 Nc4 (9...Ba3 10.Na3 Qe7 11.Qc1 c6 12.bc6 Bc6= 0.06) 10.Bd6 cd6 11.a4 a6 12.Bc4 dc4= –0.13 ; B2) 9.a4 a6 10.ba6 ba6 11.Nc3 a5 12.Nb5 Nc4= –0.09 ; B3) 9.Ne5 a6 (9...c6 10.bc6 Bc6 11.Ba3 Ba3 12.Na3 Qd6= 0.03 ; 9...Qe7 10.Qf3 Na4 11.Bc1 c6 12.bc6 Bc6= 0.00 ; 9...Ne4 10.Ba3 Qe7 11.Qc1 f6 12.Nd7 Qd7= 0.25 ) 10.ba6 ba6 11.Qe2 a5 12.Ba3 Rb8= –0.03 ; B4) 9.Qe2 Rc8 (9...Na4 10.Ba3 Nc3 11.Nc3 Ba3 12.Rab1 Qe7= 0.06 ; 9...c6 10.a4 Qc7 11.Nbd2 cb5 12.ab5 a6= 0.06 ; 9...Ne4 10.a4 a6 11.a5 Nc4 12.Bc4 dc4= 0.03 ) 10.a4 c6 11.Ba3 Ba3 12.Ra3 c5= 0.00 ; C) 8...Qe7 C1) 9.a4 a6 10.ba6 ba6 11.Ne5 Bb7 12.Nd2 Rab8= 0.03 ; C2) 9.Ne5 Na4 (9...a6 10.ba6 ba6 11.Nd2 Bb7 12.Rb1 Rfb8= 0.06 ; 9...Ne4 10.a4 f6 11.a5 Nd7 12.Nd7 Bd7+= 0.41 ) 10.Bc1 Nc5 11.Ba3 Nd3 12.Qd3 a6= –0.25 ; C3) 9.Nc3 Rb8 (9...a6 10.Ne5 Nbd7 11.f4 ab5 12.Nb5 Nb6= 0.19; 9...a5 10.e4 de4 11.Ne4 Ne4 12.Be4 Rd8= 0.25 ; 9...Rd8 10.Ne5 Nfd7 11.f4 f6 12.Nd7 Qd7= 0.06; 9...Bd7 10.Ne5 Rfc8 11.a4 c5 12.a5 cd4= 0.22 ) 10.Ne5 Nfd7 11.f4 f6 12.Nd7 Bd7= 0.00; C4) 9.Nbd2 Na4 (9...a6 10.ba6 ba6 11.Rb1 Bb7 12.Ne5 Rfb8= 0.06 ) 10.Rb1 Nb2 11.Rb2 e5 12.de5 Be5= 0.03 ; D) 8...Qe8 D1) 9.Ba3 Bd7 (9...Nc4 10.Bd6 cd6 11.Qe2 Qb5 12.Na3 Qc6= 0.03 ) 10.Qe2 Rc8 11.Ne5 Qe7 12.Nd7 Nbd7= –0.03 ; D2) 9.Qe2 a6 (9...Qe7 10.a4 a6 11.Nc3 ab5 12.ab5 Bd7= 0.19 ; 9...Na4 10.Ba3 Ba3 11.Na3 c5 12.bc6 Nc3+= 0.34 ) 10.ba6 ba6 11.Nc3 Bb7 12.Rfb1 Ne4= –0.06 ; D3) 9.Nc3 Rb8 (9...Bd7 10.Ne5 a6 11.ba6 ba6 12.Qe2 Bc8+= 0.31; 9...a5 10.Ne5 a4 11.a3 Nbd7 12.f4 Nb6= 0.22 ; 9...Qe7 10.Ne5 Nfd7 11.a4 Be5 12.de5 Qb4= 0.22 ; 9...a6 10.Ne5 Qe7 11.Qf3 Nfd7 12.Qh3 g6= 0.12 ) 10.Ne5 Nbd7 11.Nb1 a6 12.a4 Ra8= 0.00 ; D4) 9.Ne5 Qe7 10.a4 a6 11.a5 Nbd7 12.ba6 ba6= 0.22 ; E) 8...a6 E1) 9.Nc3 ab5 (9...Bd7 10.ba6 ba6 11.Qe2 a5 12.Rab1 Rb8= 0.06 ; 9...Qe7 10.Ne5 Nbd7 11.f4 ab5 12.Nb5 Nb6= 0.22 ; 9...Nbd7 10.a4 ab5 11.Nb5 Be7 12.Ba3 c6= –0.16 ; 9...a5 10.Ne5 a4 11.a3 Nbd7 12.f4 Nb6+= 0.31 ) 10.Nb5 Be7 11.Ne5 c6 12.Nc3 Nbd7= –0.16 ; E2) 9.ba6 ba6 10.Ba3 Rb8 11.Bd6 Qd6 12.Nbd2 c5= –0.13.

8.Ba3 A) 8...Ba3 9.Na3 Qd6 (9...Qe7 10.Qc1 Nbd7 11.Qb2 e5 12.de5 Ng4=; 9...Bd7 10.0–0 c6 11.Rb1 Qe7 12.Rb3 cb5=) 10.Qc1 Bd7 11.Qb2 c5 12.bc6 bc6=; B) 8...Nc4 9.Bc4 dc4= 10.Qe2 Ba3 11.Na3 c6 12.Nc4 cb5+=; C) 8...c6 9.0–0 (9.Bd6 Qd6 10.a4 c5 11.dc5 Qc5 12.0–0 Re8=; 9.bc6 bc6 10.0–0 Ba3 11.Na3 Qe7 12.Qc1 c5=) 9...cb5 10.Bb5 Ba3 11.Na3 Qd6 12.Qc1 Bd7=; D) 8...a6 9.ba6 ba6 10.0–0 Qe7 11.Bd6 cd6 12.Nbd2 e5=.

8.Nbd2 Na4 9.Rb1 (9.Qc1 Bd7 (9...c5 10.bc6 Nb2 11.Qb2 bc6 12.c4 Rb8=; 9...c6 10.bc6 Nb2 11.Qb2 bc6 12.Qc3 c5=; 9...a6 10.ba6 b6 11.0–0 Ba6 12.c4 Bb7=) 10.Ba3 Nc3 11.Bd6 cd6 12.Qb2 Qc7=) 9...Nb2 (9...Bd7 10.0–0= Nb2 11.Rb2 c5 12.bc6 Bc6=) 10.Rb2 Bd7 (10...b6 11.0–0+= a6 12.c4 dc4=) 11.0–0 (11.c4 c5= 12.bc6 Bc6=) 11...Qe7 (11...c5 12.bc6 Bc6 13.c4=) 12.a4 (12.c4 dc4 13.Nc4 c6+=) 12...c5= 13.c4 (13.bc6 Bc6 14.c4 dc4 15.Nc4 Rac8=) 13...Rfc8 14.Qb3 (14.Ne5 Rc7=) 14...b6 (14...a6 15.ba6 ba6 16.cd5 ed5 17.dc5 Rc5 18.Rfb1+=) 15.Ne5 Be5 (15...Be8!?=) 16.de5+= Ng4 17.Nf3 (worse is 17.cd5 Ne5 18.Be4 ed5 19.Qd5 Rab8=) 17...dc4 (17...Rd8 18.Rd2+/–) 18.Qc4 Nh6 19.h3 (19.Qe4 f5 20.ef6 gf6+–) 19...Rd8 (19...Nf5 20.Be4 Rab8 21.Rd2+/–) 20.Rd2 Rab8 (20...Nf5 21.Qe4 Kf8 22.Rfd1+/–) 21.Rfd1 (21.Qe4 g6+/–) 21...Be8 (21...Nf5 22.Qc2+/–) 22.Qf4 (22.Qc2 g6+/–) 22...Kh8 (22...Nf5 23.Ng5+/–) 23.Ng5 (23.Qe4 g6+/–) 23...g6 (23...a6!?+/–) 24.Ne6!+– Qe6 (24...Qe6 25.Qh6; 24...fe6 25.Qf6 (25.Qh6)) 25.Qh6 Qe7?? (better is 25...Kg8 26.Qg5 Rd7+–) 26.Bg6! fg6 27.Rd8 Rd8 28.Rd8 Kg8 29.Ra8 Qe5 30.Ra7 c4 31.Qh7 Kf8 32.Qh6 Kg8 33.Qh7 Kf8 34.Qc7 Qc7 35.Rc7 Bf7 36.Rc6 Bd5 37.Rb6 c3 38.Rb8 Ke7 39.Rc8 1–0. Bittner – Witte, corr, 1986.

8.Nbd2 a6 9.ba6 ba6 10.Rb1 Bd7 11.e4 de4 12.Ne4 Ne4 =.

8.Nbd2 c6 A) 9.a4 cb5 (9...Bd7 10.0–0 cb5 11.ab5 Qc7 12.Ba3 Rfc8= 0.25 ; 9...Qe7 10.bc6 bc6 11.a5 Nbd7 12.Ne5 c5= 0.03 ; 9...a6 10.a5 Nbd7 11.b6 Qe7 12.0–0 c5+= 0.50 ; 9...a5 10.0–0 cb5 11.ab5 Qe7 12.c4 dc4= 0.06 ) 10.ab5 a6 11.ba6 ba6 12.Ba3 Ba3= 0.00 ; B) 9.bc6 bc6 10.Rb1 Rb8 11.Ne5 Bd7 12.0–0 Na4= 0.06.

8.Nbd2 Bd7 9.a4 (9.0–0 Na4 10.Rb1 Nb2 11.Rb2 c5 12.bc6 Bc6=) 9...a6 10.a5 Nc8 11.ba6 ba6 12.0–0 Rb8 +=.

8.Nbd2 Qe7 A) 9.a4 a6 10.ba6 ba6 11.a5 Nbd7 12.0–0 c5= –0.09 ; B) 9.Ne5 Ne4 (9...Na4 10.Rb1 Nb2 11.Rb2 Be5 12.de5 Nd7= –0.06 ) 10.0–0 Na4 11.Be4 Nb2 12.Qb1 Ba3+= –0.31 ; C) 9.Rb1 Rd8 (9...Qe8 10.Qe2 Na4 11.0–0 Nb2 12.Rb2 e5= 0.06 ; 9...Na4 10.c4 Nb2 11.Rb2 e5 12.de5 Be5= 0.09 ; 9...Bd7 10.Ne5 Rfc8 11.0–0 c6 12.e4 cb5= 0.00 ) 10.0–0 Bd7 11.Ne5 Ne4 12.Re1 Nd2= –0.09 ; D) 9.0–0 Na4 (9...a6 10.ba6 ba6 11.Rb1 Bb7 12.Ne5 Rfb8= 0.06 ; 9...a5 10.c4 dc4 11.Nc4 Nc4 12.Bc4 Rd8= 0.25 ; 9...Bd7 10.a4 c6 11.a5 Nc8 12.bc6 Bc6+= 0.34 ; 9...c6 10.bc6 bc6 11.Rb1 Rb8 12.Ne5 Qc7= 0.06 ) 10.Rb1 Nb2 11.Rb2 e5 12.de5 Be5= 0.06.

5.d4 Bb4

6.c3 Ba5 7.Nf3 a6 (7...Bd7 8.Bd3 c6 9.a4 Qb6 10.Na3 a6= 0.19 ; 7...c6 8.a4 Nbd7 9.Be2 c5 10.dc5 Nc5= 0.06 ; 7...0–0 8.Bd3 a6 9.a4 Nbd7 10.0–0 c5= 0.12 ) 8.Nbd2 0–0 9.Nb3 ab5 10.Bb5 b6 =.

6.c3 Bd6 A) 7.Ba3 Ba3 8.Na3 0–0 9.Bd3 Qe7 10.Nc2 a6= –0.22 ; B) 7.c4 0–0 (7...dc4 8.Bc4 a6 9.Nf3 ab5 10.Bb5 Bd7= –0.16 ; 7...Bb4 8.Bc3 Be7 9.Nf3 a6 10.Qa4 0–0= 0.09 ; 7...Be7 8.Nf3 a6 9.Qa4 Nbd7 10.c5 0–0= 0.06 ) 8.c5 Be7 9.Bd3 c6 10.Nc3 cb5= –0.19 ; C) 7.Nf3 a6 (7...Ne4 8.Nbd2 0–0 9.Ne4 de4 10.Nd2 f5= 0.00 ; 7...0–0 8.Ba3 a6 9.Qa4 Ba3 10.Na3 b6= –0.06 ; 7...c6 8.c4 dc4 9.Bc4 a6 10.a4 0–0= –0.09 ; 7...c5 8.dc5 Bc5 9.c4 0–0 10.Nbd2 Nbd7= 0.03 ) 8.c4 dc4 9.Bc4 ab5 10.Bb5 Bd7= –0.16.

6.c3 Be7 7.Nf3 (7.Ba3 a6 (7...Ba3 8.Na3 c5 9.dc5 Qe7 10.c4 Qc5= –0.13 ; 7...0–0 8.Nf3 Ba3 9.Na3 c5 10.dc5 Qc7= –0.25 ) 8.ba6 b6 9.Be7 Qe7 10.Qa4 c6+= –0.28 ; 7.Bd3 a6 (7...c6 8.a4 0–0 9.Ba3 Nbd7 10.Nf3 c5= 0.03 ; 7...0–0 8.Ba3 Ba3 9.Na3 Qd6 10.Qb3 Nbd7= –0.19 ) 8.Qa4 0–0 9.Ba3 c6 10.Nf3 cb5+= –0.41 ; 7.c4 a6 (7...0–0 8.Nf3 a6 9.Qa4 dc4 10.Bc4 Nbd7= –0.19 ; 7...c6 8.Nf3 0–0 9.a4 Bd7 10.Ba3 dc4= –0.13 ; 7...Ne4 8.Nc3 Bb4 9.Qc2 Nd7 10.Bd3 Nc3= 0.19 ) 8.Qa4 Nbd7 9.Ba3 0–0 10.Nf3 Nb6= –0.22 ) 7...0–0 (7...a6 8.Qa4 0–0 9.Ba3 Ba3 10.Na3 b6= –0.06 ) 8.Bd3 (8.Ba3 Ba3 9.Na3 c5= 10.bc6 Nc6= –0.13 ) 8...Nbd7 (8...a6 9.a4 (9.Qa4+= c6 10.Ba3 cb5+= –0.41 ) 9...ab5 10.ab5 Ra1= –0.09 ) 9.0–0 c5 (9...a6 10.ba6 b6= 0.00 ) 10.c4 (10.bc6 bc6 11.Nbd2 Rb8=) 10...cd4 (10...dc4= 0.03 ) 11.Bd4 Nc5 (11...Qc7 12.c5+=) 12.cd5 Nd3 (worse is 12...Nd5 13.Bh7 Kh7 14.Bc5 Bc5 15.Qc2 Kg8 16.Qc5+/–) 13.Qd3 Nd5 (13...Qd5 14.Ne5=) 14.Nc3 (14.Rd1 Qc7+=) 14...Nc3 (14...a6 15.a4=) 15.Qc3 f6 16.Rfd1 Qe8 17.a4 (17.Bc5 Bc5 18.Qc5 e5=) 17...e5 18.Bc5 Be6 19.Qb4 Bc5 20.Qc5 b6 21.Qb4 Rc8 ½–½. Biuzandian – Kuzenkov, corr SU 7374, 1974.

6.Bc3 A) 6...Be7 A1) 7.Nf3 a6 8.Ne5 0–0 9.Nd2 b6 10.a4 c5= –0.25 ; A2) 7.Be2 c6 (7...0–0 8.Nf3 Bd7 9.0–0 a6 10.a4 c6= –0.13 ; 7...a6 8.Nf3 ab5 9.Bb5 c6 10.Bd3 0–0= –0.19 ; 7...Ne4 8.Nf3 Bd7 9.0–0 0–0 10.a4 a6= –0.03 ) 8.Nf3 cb5 9.Bb5 Bd7 10.Bd3 0–0+= –0.28 ; A3) 7.Bd3 a6 (7...0–0 8.Nf3 a6 9.a4 Ne4 10.0–0 c6= –0.06 ) 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6= –0.09 ; B) 6...Bf8 B1) 7.Nf3 a6 (7...Ne4 8.a3 Nc3 9.Nc3 c6 10.Qd2 a6= –0.16 ; 7...Bd6 8.Bd3 0–0 9.0–0 a6 10.a4 Ne4= 0.12 ; 7...c6 8.Nbd2 Bd6 9.Rb1 0–0 10.Bb4 Bb4= –0.13 ) 8.Ne5 Bd6 9.ba6 Na6 10.Bd3 0–0+= –0.28 ; B2) 7.a3 Bd6 (7...Bd7 8.Bb4 Bb4 9.ab4 0–0 10.Nf3 Qe8= –0.06; 7...Ne4 8.Nf3 Nc3 9.Nc3 c6 10.Qd2 a6= –0.16 ; 7...Be7 8.Nf3 0–0 9.Bb4 Bb4 10.ab4 Qd6= –0.16 ) 8.Nf3 0–0 9.Bb4 Bb4 10.ab4 Qd6= –0.16.

6.Nd2 A) 6...0–0 A1) 7.Ngf3 a6 8.a3 Be7 9.Ne5 Nfd7 10.Qh5 Ne5= –0.22 ; A2) 7.c3 Bd6 (7...Be7 8.Ngf3 c6 9.c4 Bd7 10.bc6 Nc6= –0.25 ) 8.c4 dc4 9.Nc4 Bb4 10.Nd2 a6+= –0.34 ; A3) 7.a3 Bd6 (7...Bd2 8.Qd2 Ne4 9.Qd3 a6 10.c4 Nd6= –0.25 ; 7...Ba5 8.Ngf3 c6 9.bc6 Nc6 10.Bd3 a6= –0.03 ; 7...Be7 8.Ngf3 a6 9.ba6 b6 10.Bd3 Na6= –0.09 ) 8.c4 a6 9.Ngf3 ab5 10.c5 Be7+= –0.28 ; A4) 7.Qc1 c6 (7...Bd7 8.Ba3 Ba3 9.Qa3 c6 10.bc6 Nc6= –0.09 ; 7...Nbd7 8.Ngf3 Re8 9.Bd3 a6 10.c4 ab5= –0.06 ; 7...Re8 8.Ngf3 c6 9.a3 Bd6 10.bc6 Nc6= –0.16 ) 8.Ba3 Bd2 9.Qd2 Ne4 10.Qb4 c5+= –0.44 ; A5) 7.Bd3 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6= –0.16 ; B) 6...a6 B1) 7.c3 Bd6 (7...Be7 8.Ngf3 0–0 9.Qa4 c5 10.dc5 Nbd7+= –0.28) 8.c4 dc4 9.ba6 b5 10.a4 c6–/+ –0.72 ; B2) 7.a3 Ba5 (7...Be7 8.Ngf3 0–0 9.ba6 Na6 10.c4 b6= –0.22 ; 7...Bd6 8.c4 0–0 9.Ngf3 ab5 10.c5 Be7+= –0.28 ) 8.Ngf3 Ne4 9.Bd3 Nc3 10.Bc3 Bc3+= –0.28.

5.d4 Bd7

6.a4 0–0 7.c4 dc4 8.Bc4 Be8 9.Ba3 Nbd7 10.Bd6 cd6 11.a5 Ne4 12.Bd3 d5 13.Be4 de4 14.Nc3 Nf6 15.Nge2 Rc8 16.0–0 a6 17.b6 Bc6 18.Qb3 Nd5 19.Rac1 f5 20.Nd5 Bd5 21.Qb4 Qd7 22.Rc5 g5 23.Rfc1 Rc5 24.Qc5 f4 25.g3?? (better is 25.Qc7 Qb5 26.Nc3 Qa5 27.Nd5 ed5 28.Qe5+=) 25...fe3–+ 26.Nc3? (better is 26.fe3 Qf7 27.Nf4 gf4 28.gf4–+) 26...Qf7 (worse is 26...ef2 27.Kf1 Qf7 28.Nd5 ed5 29.Qd6–+) 27.Nd5 Qf2 (27...ef2 28.Kf1 ed5 29.Qd6–+) 28.Kh1 e2 29.Ne7 Kf7 30.Rg1 Qg1!! 31.Kg1 e1Q 32.Kg2 Qe2 33.Kg1 Qe3 34.Kg2 Qf3 35.Kh3 g4 36.Kh4–+ Qf6 37.Kg4 Qe7 38.Qh5 Kg8 39.Kh3 Qf6 40.Qg4 Qg6 41.Qe2 Qf5 42.Kh4 Rf6 0–1. popovicigelu – vasileneagu, kurnik, 2012.

6.c4 c6 7.c5 Bc7 8.a4 Ne4 9.f3?? (better is 9.Qc2=) 9...Qh4–+ 10.g3 Ng3! 11.hg3 Qh1 12.Ne2 Qf3 13.Nd2 (13.Qd3 Bg3 14.Ng3 Qg3 15.Kd1 e5–+) 13...Bg3 14.Ng3 Qg3 15.Ke2 e5 16.de5 (16.Qe1 Bg4 17.Kd3 e4 18.Kc3 Qe1 19.Re1–+) 16...Bg4 (16...Bg4 17.Kd3 Bd1 18.Rd1 Nd7–+) 0–1. popovicigelu – 2011shadow (1630), kurnik, 2012.

6.c4 Ne4 7.Ba3 =+.

6.Nf3 0–0 7.Bd3 c6 8.c4 (better is 8.a4!?=) 8...dc4–/+ 9.Bc4 cb5 10.Be2 h6 11.0–0 Nc6 12.Nc3 b4 13.Nb5 Be7 14.Qd2 a6 15.d5 ab5 16.dc6 Bc6 17.Qd8 Rad8 18.Rfd1 Rd1 19.Rd1 Rd8 20.Rd8 Bd8 21.Kf1 Bb6 22.Ke1 Kf8 23.Kd2 Ne4 24.Ke1 f6 25.Nd2 Nd2 26.Kd2 Bg2 27.Bb5 Bd5 28.a3 ba3 29.Ba3 Kf7 30.Kd3 f5 31.Bc4 Bc4 32.Kc4 g5 33.h3 (33.Bd6 g4–+) 33...h5 34.Kd3 g4 35.hg4 hg4 36.Bd6 Kf6 37.Bg3 e5 38.Ke2 Bc7 39.f3 (39.Bh4 Ke6 40.Kd3–+) 39...gf3 40.Kf3 (40.Kf2 Ke6 41.Bh4–+) 40...e4 41.Kg2 Bg3 42.Kg3 b5 43.Kf2 b4 44.Ke2 Ke5 45.Kd2 f4 46.ef4 Kf4 0–1. popovicigelu – sauhabelt (1740), kurnik, 2012.

6.c4 b6

7.Ba3 a6 =.

7.Nf3 0–0 8.Nbd2 c6 9.a4 Bb4 10.Bd3 dc4 11.Bc4 a5 12.ba6 Na6 13.0–0 Nd5 14.Qe2 Nac7 15.Qd3 f5 16.Ne5 c5= 17.dc5 bc5 18.Nd7 Qd7= 19.e4 Bd2 20.ed5+/– Bf4 21.de6 Qd3 22.Bd3 Ne6 23.Bc4 Rfe8 24.Rfe1 Kf7 25.Re2 Ra7 26.Rae1 Rae7 27.Bg7! Kg7 28.Re6 Re6 29.Re6 Rd8 30.Re7 Kg6 31.g3 Rd1 32.Kg2+– Rd4 33.Bg8 Bg5 34.Rh7 (34…Ra4 35.Rc7+/–; 34.Bh7 Kf6 35.Rc7 f4+–) 1–0. Noyelle – Pellet, corr France T/3609, 1995.

7.Nf3 a6 8.Nc3 =.

6.c4 dc4

7.Bc4 0–0 8.a4 Bb4 9.Bc3 Bc3 10.Nc3 Qe7 11.Qb3 c6 12.Nge2 cb5 13.ab5 b6 14.0–0 Bc8 15.Ng3 Bb7 16.Bd3 Nd5 17.Be4 Nc3 18.Bb7 Qb7 19.Qc3 Nd7 20.Qc6 Rfb8 21.Rfc1 Nf6 22.h3 Nd5 23.Ne4 Qe7 24.Nc3 Rc8?? (better is 24...Nc3 25.Rc3 Rd8+=) 25.Nd5+– Rc6 (25...Qf8 26.Qc8! ed5 27.Qf8 Kf8+–) 26.Ne7 Kf8 27.Nc6 1–0. popovicigelu – gigi948, kurnik, 2012.

7.Bc4 0–0 8.a4 c6 9.Nf3 cb5 10.ab5 Qc7 11.Qe2 Ne4 12.0–0 a6 13.Nbd2 (better is 13.Bd3!? Nf6 14.Rc1+/–) 13...Nd2+= 14.Nd2 Bh2 15.Kh1 Bd6 16.Ne4 Be7 17.Rfc1 Qb6 18.Bc3 Bb5?? (better is 18...a5=) 19.Bb5+– Nc6 20.Bc6 bc6 21.Ba5 Qb7 22.Nc5 Qc8 23.Nd3 c5 24.Nc5 Bc5 25.Rc5 Qd7 26.Bb4 Rfb8 27.Qc4 h6 28.Bd2 Rb2 29.Qc3 Rab8 30.Ra6 Rb1 31.Kh2 Qe7 32.Rc8 Kh7 33.g3 R8b3 34.Qc2 g6 35.Raa8 Qg5 36.Rh8 Kg7 37.Rag8 Kf6 38.Kg2 Qd5 39.e4 Qh5 (39...R1b2 40.Bh6 Rc2 41.ed5 Rbb2+–) 40.e5 Ke7 (40...Qe5 41.de5 Ke5 42.Qc5 Ke4 43.Qc4 Ke5 44.Qf4 Kd5 45.Rd8 Kc5 46.Qc7 Kb5 47.Rb8 Ka4 48.Qa5) 41.Qc7 1–0. popovicigelu – zaslaby, kurnik, 2012.

7.Bc4 0–0 8.Nf3 c6 9.a4 cb5 10.ab5 Qc7 11.Nbd2 Ne4 12.0–0 (better is 12.Bd3!? Nd2 13.Nd2+=) 12...Nd2+= 13.Nd2 Bh2 14.Kh1 Bd6 15.Qc2? (15.Qh5 Bb4 16.Rfc1 Bd2=) 15...Qb6 (better is 15...Bb5!? 16.Rfc1 Rc8–+) 16.Qd3 Rc8 17.Ba3 Ba3 18.Ra3 Qd6 19.Rfa1 a6 20.Ne4 Qe7 21.Nc5 (worse is 21.ba6 Na6 22.Kg1 Nb4–/+) 21...Be8 22.ba6 ba6 23.Ba6 Na6 24.Ra6 Rab8 25.Ra7 Qh4 26.Kg1 Bc6 27.e4 Rd8 28.g3 Qh3 29.Rc7 Bb5 30.Qf3 Rf8 31.Nd7 Bd7 32.Rd7 e5 33.Rd5 ed4 34.Rd4 Rb2 35.Rad1 Qc8 36.R4d2 Rd2 37.Rd2 Qc1 38.Rd1 Qc5 39.Kg2 g6 40.Rd5 Qc1 41.e5 Re8 42.Qf6 Qc8 0–1. popovicigelu – zaslaby (1605), kurnik, 2012.

6.Nd2 0–0

7.c4 dc4 8.Nc4 Be7 (8...Bb5 9.Qb3 Bc6–/+) 9.Ne5? (9.Qb3 a6+=) 9...Be8?? (better is 9...Bb4 10.Ke2 Bb5 11.Nd3 Nc6–+) 10.a4 Nd5 11.Ngf3 Nd7 12.Nd7 Qd7 13.Ne5 Qd8 14.Bc4 Nb6 15.Be2 f6 16.Nf3 Bg6 17.a5 Nd5 18.Bc4 Bh5 (better is 18...Bb4 19.Kf1 c6=) 19.Bd5?? (19.e4 Nf4 20.0–0+=) 19...ed5 20.h3 f5 21.Qc2 Rc8 22.Ne5 Bd6 23.f4 Qh4 24.Kf1 c5 25.bc6 Be5 26.de5 Rc6 27.Qf2? (better is 27.Qd2+=) 27...Qe7?? (better is 27...Qf2 28.Kf2 Rc2 29.Kg3 Rb2–+) 28.Ba3+/– Qc7 29.Bf8 Kf8 30.g4! fg4 31.hg4 Bg6 32.f5 Bf7? 33.e6+– Bg8 34.Qb2 Qg3 35.Qb4 Ke8 36.Qf4 Qf4 37.ef4 Ke7 38.Rd1 Kd6 39.Ke2 Rc2 40.Rd2 Rc4 41.Ke3 Re4 42.Kf3 g6 43.Rhd1 gf5 44.gf5 Ra4 45.Rd5 Ke7 46.Rd7 Kf6 47.Kg4 h5 48.Kh5 Kf5 49.e7 Bf7 50.Kh6 Ra5 51.e8Q Be8+/– 52.R7d5?? Rd5–+ 53.Rd5 Kf4 54.Rd8 Bc6 55.Ra8 a6 56.Kg6 Ke5 57.Kf7 Kd4 58.Ke6 Kc4 59.Kd6 Kb4 60.Kc7 a5 61.Kb6 a4 62.Rh8 a3 0–1. popovicigelu – zaslaby (1615), kurnik, 2012.

7.Ngf3 a6 8.a4 b6 9.c4 c5 10.Be2 Re8 11.0–0 cd4 12.ed4 dc4 13.Nc4 Bc7 14.Ba3 (better is 14.Nce5!?=) 14...ab5–/+ 15.ab5 Bb5 16.Qb3 Ba4 17.Qb2 Nc6 18.Rfc1 Na5 19.Na5 ba5 20.Bb5 Rb8 21.Qc3 Nd5 (21...Rb5?! 22.Qc7 Qc7 23.Rc7–/+) 22.Qc6?? (22.Ba4 Nc3 23.Rc3–+) 22...Bb5 (22...Rb5?! 23.Qc4 Bh2 24.Kh2 Qb8 25.Ne5–+) 23.Qc7 (23.Qc2–+) 23...Nc7 24.Ne5 Nd5 25.Rab1 Qg5 (better is 25...Nf4!? 26.h3 Ne2 27.Kh1 Nc1 28.Rc1 Qd4 29.Nf3 Qf2 30.Bc5–+) 26.Nf3 Qf4 27.Rc5 Be2 28.Rb8 Rb8 29.Rc1 Bf3 30.gf3 Qf3 31.Rf1 Nf4 (31...Nf4 32.d5 Qg2) 0–1. popovicigelu – zaslaby, kurnik, 2012.

5.Nf3 a6

6.a4 a5 7.c4 b6 8.Nc3 Qe7 9.Be2 Bd7 10.0–0 0–0 11.d3 h6 12.e4 de4 13.de4 e5 14.Nd5 Nd5 15.ed5 Bb4 16.Be5 Bd6 17.Qd4 f6 18.Bd6 Qd6 19.Rfe1 Be8 20.Qg4 Nd7 21.Nd4 Ne5 22.Qg3 Rd8 23.Ne6 Bf7 24.Qg7 mate 1–0. frholak – kijka6, kurnik, 2012.

6.a4 Qe7 7.c4 dc4 8.Bc4 e5 9.Ng5 0–0 10.Qc2 h6 11.h4 e4 12.Nc3 Bf5 13.g4 Ng4 14.Nd5 Qe8 15.f4 ab5 16.Qc3 Be5 17.fe5 (17.Qe5 Ne5) 17...bc4 18.e6! f6 (18...Be6 19.Qg7#) 19.e7 hg5 20.Ba3 (20.ef8N Qf7 21.Qc4 Nc6 22.hg5 Rf8 23.gf6 gf6 24.Bf6 Nf6 25.Nf6 Kg7 26.Nh5 Kg8 27.Rg1 Kh7 28.Rg7 Qg7 29.Ng7 Kg7+–) 20...Nd7 21.ef8Q Nf8 22.Ne7 Kf7 23.Nf5 Ne5 24.hg5 Qd7 25.Rf1 Nfg6 26.gf6 gf6 27.Qd4 Qe6? 28.Kd1 Nf3 29.Qc5 Rd8 30.Nd4 Nd4 31.ed4 e3 32.de3 Ne5 33.Kc2 1–0. Akopian,Vladimir (2660) – Ganguly,Surya Shekhar (2440), Goodricke, 2000.

6.ba6 Na6 7.Bb5 c6 8.Be2 Qb6 9.Bf6 gf6 10.Nc3 Nc5 11.0–0 Ne4 12.Qb1 Qa5 13.Qb2 Nc3 14.dc3 Ba3 15.Qb3 b5 16.Rfb1 e5 17.Rd1 0–0 18.Kh1 Be6 19.Rg1 Rfb8 20.Rab1 Qc7 21.Rbd1 d4 22.Qb1 dc3 23.Bd3 Bb2 24.Rdf1 Rd8 25.e4 Ba2 26.Qd1 c5 27.Ne1 Qd7 28.Qf3 c4 29.Qf6 cd3 30.Qg5 Kf8 31.Qh6 Ke7 32.Qh4 Kd6 33.Nd3 Qc7 34.Rd1 Ke6 35.f4 Rd4 36.fe5 Rd3 37.Qf6 Kd7 38.Rd3 Kc8 39.Rgd1 Be6 40.Qh8 Kb7 41.Qh7 Qe5 42.Qh4 Qc5 43.Qf6 Ra4 44.Rd7 Kc6 45.e5 Ba3 46.Rf7 Qc4 47.Rh7 Qg4 48.Qd8 Qd1 49.Qd1 Bd5 50.Qd3 b4 51.Rh6 Kc5 52.Qe3 Kc4 53.Rd6 b3 54.Qd3 Kc5 55.Qd5 Kb4 56.Rb6# 1–0. NewRival1_8_29 – MSCP11, GS WinterRapid, 2002.

6.ba6 b6 (The passed pawn on a6 will quickly become a dangerous weapon) 7.Be2 Qe7 8.Nc3 Ba6 9.a4 Be2 10.Qe2 0–0 11.e4 Bb4 12.ed5 Bc3 13.Bc3 Nd5 14.Bb2 Nd7 15.0–0 Rfd8 16.c4 Nf4 17.Qe3 Ng6 18.d4 Qb4 (Attacking the isolated pawn on a4) 19.Qc3 Qc3 20.Bc3 Ra7 21.Ra3 c5 22.a5 ba5 23.dc5 Rc8 24.Rb1 f6 25.Nd2 a4 26.Ne4 Rc6 27.Rb4 f5 28.Ng5 h6 29.Nf3 Nc5 30.Bd4 e5 31.Bc5 Rc5 32.Raa4 Rd7 33.Kf1 e4 34.Ne1 Ne5 35.f4 Ng4 36.h3 Nf6 37.Kf2 Nh5 38.g3 Rd2 39.Ke3 Rh2 40.Ra8 Kh7 41.g4 Ng3 42.Kd4 Rc7 43.c5 Rd2 44.Kc4 Re2 45.Ra1=+ g5 46.fg5 f4 47.Rb6 hg5 48.c6 ½–½. marekt – TutterFar, ChessWorld.net, 2003.

6.Nc3 0–0 7.Be2 e5 8.0–0 e4 9.Nd4 c6 10.a4 Qc7 11.f4 ef3 12.Nf3= Ng4 13.h3 Nh2 14.Nh2 Bh2 15.Kh1 Nd7 16.Ba3 Re8 17.bc6 bc6 18.Rb1 a5 19.Bd3 Ne5 20.Be2 Bg3 21.d4 Ng6 22.Qd2 Nh4 23.Bc5 Qd8 24.e4 de4 25.d5 Ng2 26.Bh5 Qh4 27.Bf7= Kh8 28.Kg2 Bh3 29.Kg1 Re5 30.Be3 Qg4 31.Qe2 Bf2!! 32.Kf2 Rf5 33.Ke1 Rf1 34.Kd2 Rf7 0–1. gtate (2815) – huimre (2815), net–chess.com, 2008.

6.a4 0–0

7.c4 c6 8.Nc3 Bd7 9.Be2 Qb6 10.Qb3 Be8 11.d4 Nbd7? 12.c5+– Bc5 13.dc5 Nc5 14.Qc2 ab5+/– 15.ab5 Ra1 16.Ba1 cb5 17.0–0 b4 18.Rb1 Qa5 19.Nd1 b3 20.Qd2 Qb6 21.Bf6+– gf6 22.Nd4 Ba4 23.Nc3 Qa5 24.Qb2 e5 25.Na4 ed4? 26.Nc5 Qc5 27.ed4 Qc2 28.Qc2 bc2 29.Rc1 Rc8 30.Bd3 Kg7? 31.Rc2 Rb8 32.Rb2 Rc8 33.g3 Rc1 34.Kg2 Rd1 35.Bf5 Rd4 36.Rb7 Rc4 37.Be6 (37.Be6 f5 38.Rf7 Kg6 39.Rf8+–) 1–0. Flaherty,K – Van der Kooij,W, corr, 1988.

7.c4 c6 8.Nc3 Bd7 9.Be2 dc4 10.Bc4 Qc7 11.Qb3 ab5 12.ab5 Ra1 13.Ba1 Rc8 14.b6 Qd8 15.0–0 c5 16.Bb2 Bc6 17.Ra1 Bf3=+ 18.gf3 Nc6 19.Ne2 Ne5 20.Be5= Be5 21.Ra7 Qd7 22.Ng3 Bb8–/+ 23.Ra1 Qd6 24.Qb2 Nd7–/+ 25.Rb1 Rc6 26.f4 Rb6 27.Bb5 e5 28.f5 Nf6 29.f3 e4–+ 30.f4 h5 31.Qc2–/+ Bc7 32.h4 Qd5 33.Rb3 Rd6 34.Bc4 Qd2 35.Qd2 Rd2 36.Rb7 Rd7 37.Kf1 Kf8 38.Bb5 Bf4 39.Rd7 Bg3 40.Ra7 Nd5–/+ 41.Kg2 Bh4–+ 42.Ra8 Ke7 43.Re8 Kf6 44.Re4 Bg5 45.Bd3 Ne3 46.Kf3 Nf5 47.Rc4 Nd4 48.Kg3 Be3 (48...Be3 49.Rc5 g5–+; better is 48...Ne6 49.Re4–+) 0–1. Petersen,J – Tornbjerg,B, corr, 1992.

7.c4 c6 8.Nc3 e5 9.d4 e4 10.Nd2 Ng4 11.cd5 Ne3= 12.fe3 Qh4 13.Ke2 Bg4 14.Nf3 cd5 15.Kd2 ef3=+ 16.gf3 Qf2 17.Qe2 Qf3 18.Bg2 Qf5 19.Qf1 Qf1 20.Raf1 ab5= 21.ab5 Be6 22.Bd5 Bd5 23.Nd5 Ra2 24.Rb1+= Re8 25.Kd3 f5 26.h4 Nd7 27.Rhg1 Kf7 28.Rg5 g6= 29.h5 Be7 30.Ne7 Re7=+ 31.Bc3 Nf6 32.Bb4 Rc7 33.hg6 hg6 34.Rh1 Rcc2 35.Rh6?? Ne4–+ 36.Rh7 Kg8 (36...Kg8 37.Rh2 Rh2 (37...Ng5?! 38.Rc2 Rc2 39.Kc2=+) 38.Rg6 Kf7–+) 0–1. Connors,D – Miller,D, Fredericksburg, 2002.

7.Bd3 Re8 8.Bf6 Qf6 9.Nc3 c6 10.0–0 e5 11.bc6 e4 12.Nd5 Qd8 13.cb7 Bb7 14.c4 ed3 15.Qb3 Bd5 16.cd5 Nd7 0–1. Ghisi,Stefano – Piech,Jacek, IECG, 2004.

7.d4 Ne4 8.Bd3 b6 9.Nbd2 Bb7 10.0–0 ab5 11.ab5 Nd7 12.Ra8 Ba8 13.Qe2 Qf6 14.Ra1+= Rd8 15.Ra7 c5 16.h3 c4 17.Be4+= de4 18.Ra8 Ra8 19.Ne4 Qe7 20.Qc4 Ra7 21.Bc3 Bc7 22.g3 h6 23.Kg2 Qf8 24.d5 ed5 25.Qd5 Qe7 26.Nd4 Qe5 27.Qd7 Qe4 28.Kg1 Qe5 29.Qc8 Kh7 30.Nf5 Qc3 ½–½. Pcmvr (2080) – Incognito66 (2240), internet, 2008.

7.Be2

7.Be2 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.Nf3 0–0 6.Be2 a6 7.a4).

7.Be2 ab5 8.ab5 Ra1 9.Ba1 c5 10.0–0 Nbd7 11.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3 Bd6 9.c4 0–0 10.Be2 Nbd7 11.0–0)

6.a4 ab5

7.ab5 Ra1

8.Ba1 0–0 9.c4 dc4 10.Bc4 c6 11.0–0 cb5 12.Bb5 Bd7 13.Bd7 Nbd7 14.d4 Qb8 15.Nbd2 Rc8 16.Qb1 b5 17.e4 Bf4 18.e5 Ne8 19.g3 Bd2 20.Nd2 b4 21.Qb3 Nc7 22.Ne4 Nd5 23.Bb2 h6 24.Nd6 Rc7 25.Ra1 Ra7 26.Rc1 Rc7 27.Rd1 Ra7 28.f4 N7b6 29.f5 Na4 30.Rc1 Nab6 31.fe6 fe6 32.Nb5 Rf7 33.Nd6 Rc7 34.Rf1 Qa8 35.Nb5 Rf7 36.Rf7 Kf7 37.Nd6 Ke7 38.Qf3 Qf8 39.Qd3 Qa8 40.Qg6 Qf8 41.Bc1 Nc3 42.Qd3 Nbd5 43.Qa6 Qb8 44.Kg2 Kd7 45.Qf1 Qa8 46.Kh3 Qg8 47.Bd2 g5 48.Qa6 Qb8 49.Qd3 b3 50.Bc3 Nc3 51.Nc4 b2 52.Nd2 b1Q 53.Nb1 Nb1 54.Qh7 Kc8 55.Qc2 Kd8 56.Qg6 Qb5 57.Qf6 Kc7 58.Qe7 ½–½. Jalo – Maeki, 1997.

8.Ba1 0–0 9.Be2 c6 10.0–0 c5 11.c4 Nbd7 12.Qc2 h6 13.d3 Qa5 14.Bc3 Qc7 15.Nbd2 b6 16.Ra1 Bb7 17.g3 Ra8 18.Ra8 Ba8 19.Qa2 Qb7 20.Bb2 e5 (20...Qc8 21.cd5 ed5 22.Qa1=) 21.Nh4 Qb8 22.Nf5 Bf8 23.g4 dc4 24.Nc4 Qb7? (better is 24...g6!? 25.Nh4 Bd5=) 25.e4+/– Ne4?? (better is 25...Qb8+/–) 26.Bf3+– (26.de4? Qe4 27.f3 Qe2 28.Qa8 Qc4–+) 26...Qb8 27.Be4 Be4 28.de4 g6 29.Nfe3 Bg7 30.Nd5 1–0. festis (2000) – rona81 (1980), gameknot.com, 2015.

8.Ba1 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 c5 8.Nf3 Bd6).

8.Ba1 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Nbd7 8.Nf3 Bd6).

6.a4 Nbd7=+

7.Ba3 Ba3 8.Ra3 e5 =+.

7.c4 0–0 8.Na3 =+.

7.c4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.c4 a6 6.a4 Nbd7 7.Nf3 Bd6).

7.c4 c6 8.Be2 ab5=+ 9.ab5 Ra1 10.Ba1 e5 11.Nc3 0–0=+ 12.0–0 Re8 13.d4= e4 14.Nd2 h5 15.Bh5 Nh5= 16.Qh5 Re6 17.f4 Rh6 18.Qe2 Nf6 19.Rb1 Ng4 20.Nf1 Nh2? 21.Nh2+– Qh4 22.Nf1 Bg4 23.Qa2 Be7 24.g3?? Qh1=+ 25.Kf2 Rh2?? 26.Nh2+– Qh2 27.Ke1 Qg1 28.Kd2 Qf2 (Not 28...Qe3??, as it is written in ALL (sic!) chess publications) 29.Kc1 Qe1 30.Kc2 Qf2 31.Kb3 dc4 32.Ka4 Qe3 33.bc6 Qd4 34.Rb7 Bd6+–1–0. Franke,Roland – Langnese, corr DDR–H–331, (year?).

6.c4 ab5

7.cb5 0–0 8.Be2 c5 9.0–0 b6 10.a4 Qc7 11.Bf6 gf6 12.Nc3 Be5 13.Ne5 Qe5 14.d4 cd4 15.ed4 Qd6 16.Bd3 e5 17.de5 fe5 18.Nd5 f6 19.Rc1 Be6 20.Bh7 Kh7 21.Nf6 Rf6 22.Qd6 Nd7 23.Rc7 Kg6 24.Qd3 Bf5 25.Qg3 Kf7 26.Rd1 Ke8 27.Rcd7 Bd7 28.Qe5 Re6 29.Qh8 Ke7 30.Qg7 1–0. Machete99 – guest317, ICC, 2002.

7.cb5 c5 8.Be2 b6 9.0–0 0–0 10.d3 Nbd7=+ 11.Nc3 Bb7 12.Qd2 Qc7 13.g3 e5–/+ 14.d4 Rfe8 15.dc5 bc5 16.Nh4 d4 17.Nd1 Bd5 18.a4 Nb6 19.a5 Nc4 20.Bc4 Bc4 21.b6 Qc6 22.Re1 Ne4 23.Qc1 Qb5 24.f3? Qb4–+ 25.Nf2 Nf2 26.Ba3 Nh3 27.Kg2 Qb5 28.Rb1 Qa4 29.ed4 Be6 30.dc5 Bb8 31.Bb2 Ra5 32.Be5 Qc6 33.Bd4 g5 34.Ra1 Rb5 35.Re4 Rb3 36.Ra3 Ra3 37.Qa3 gh4 38.Qe3 Qa4 39.Bc3 Qc2 40.Qd2 Qd2 41.Bd2 hg3 42.hg3 f6 43.c6 Ng5 44.Bg5 fg5 45.c7 Kf7 46.Re5 Bc7 47.bc7 Rg8 48.Kf2 Kf6 49.Rc5 Ke7 50.Ke3 Kd6 51.Kd4 Bd7 (51...Bd7 52.f4 gf4 53.gf4 Rf8–+) 0–1. Dopper,Johan – Geus,Jan, Netherlands, 1999.

7.cd5 0–0 8.de6 Be6 9.Bb5 Ra2 10.Ra2 Ba2 11.Bf6 Qf6 12.Nc3 Be6 13.Ne4 Qd8 14.Nd4 Bd5 15.Nd6 Qd6 16.0–0 b6 17.Qe2 g6 18.Bd3 Nc6 19.Nb5 Qd7 20.Rc1 Rd8 21.f4 Ra8 22.g4 Ra2 23.Nc3 Nb4 24.Na2 Nd3 25.Qd3 Qg4 26.Kf1 Qg2 27.Ke1 Ba2 28.Rc7 Qh1 29.Qf1 Qh2 30.Rc8 Kg7 31.Rc6 Qh4 32.Ke2 Qh5 33.Kf2 Qh2 34.Ke1 Qh4 35.Kd1 Qh5 36.Kc2 Qf5 37.d3 Bb3 38.Kc1 Qa5 39.Qe2 Qa1 40.Kd2 Qa5 41.Kc1 Qa1 42.Kd2 Qa5 43.Kc1 (Draw by repetition) ½–½. Delfi 1.40 – Gullydeckel213, computer chess game, 2001.

5.Nf3 c6

6.a4 (---> 1.b4 e6 2.Bb2 Nf6 3.b5 c6 4.a4 d5 5.e3 Bd6 6.Nf3).

6.Nc3 0–0 7.Be2 Nbd7 8.0–0 a6 9.bc6 bc6 10.a4 Qc7 11.Rb1 Ng4 12.h3 Ngf6 13.d4 Nb6 14.Ne5 Be5 15.de5 Qe5 16.Nd5 Qd5 17.Bf6 Qd1 18.Rfd1 (18.Rbd1? gf6 19.a5 Nd5–+) 18...gf6? (better is 18...Na4 19.Be5 a5+=) 19.Rb6+– c5 20.a5 Kg7 21.Rdd6 h6 22.g4 Ra7 23.f4 Re8 24.Rdc6 Bd7 25.Ra6 Bc6 26.Ra7 Ra8 27.Ra8 Ba8 28.Kf2 f5 (28...e5+–) 29.Bf3 (29.Bf3 Bf3 30.Kf3 fg4 31.hg4+–) 1–0. Schuitema,Ian – Mcguire,Paul, OP–2006–0–00161, 2006.

6.c4 0–0 7.Nc3 a6 8.a4 Bd7 9.Be2 Qb6 10.Qb3 Be8 11.d4 Nbd7 12.c5 Bc5 13.dc5 Nc5 14.Qc2 ab5 15.ab5 Ra1 16.Ba1 cb5 17.0–0 b4 18.Rb1 Qa5 19.Nd1 b3 20.Qd2 Qb6 21.Bf6 gf6 22.Nd4 Ba4 23.Nc3 Qa5 24.Qb2 e5 25.Na4 ed4 26.Nc5 Qc5 27.ed4 Qc2 28.Qc2 bc2 29.Rc1 Rc8 30.Bd3 Kg7 31.Rc2 Rb8 32.Rb2 Rc8 33.g3 Rc1 34.Kg2 Rd1 35.Bf5 Rd4 36.Rb7 Rc4 37.Be6 1–0. Flaherty/Reale – van der Kooij, corr 1988.

6.c4 cb5 7.cb5 Bd7 8.a4 0–0 9.Be2 a6 10.0–0 ab5 11.ab5 Ra1 12.Ba1 Qe8 13.Nc3 e5 14.Qb3 Be6 15.Qb2 d4 16.Na4 e4 17.Nd4 Bh3 18.gh3 Qe5 19.Nf3 Qh5 20.Nd4 Qh3 21.f4 Ng4 22.Nf3 ef3 23.Qg7 mate 1–0. mete61 – bubeskus4e, kurnik, 2012.

6.d4 Nbd7 7.a4 0–0 8.bc6 bc6 9.Nbd2 Qe7 10.c4 Rb8 11.Qc2 c5 12.Be2 Re8 13.0–0 cd4 14.Bd4 e5 15.Ba7 Rb7 16.c5 Nc5 17.Bc5 Bc5 18.Bb5 Bd7 19.Bd7 Nd7 20.Rfc1 Ba3 21.Rcb1 Reb8 22.Rb7 Rb7 23.Qa2 Bd6 24.Qd5 Rb2 25.Ne4 Bb4 26.Rd1 Nf6 27.Nf6 1–0. mihai740609 – nygusekk, kurnik, 2012.

6.Be2 0–0 7.0–0 cb5+= 8.Bb5 a6 9.Be2 b5 (9...Nc6 10.d3+= (10.Ba3 e5 11.Bd6 Qd6 12.d4 e4 13.Nfd2) 10...e5 11.Nbd2 Qc7 12.Rb1 Re8 13.e4) 10.d3 (10.a4 b4= 11.c3 Nc6 12.cb4 Nb4 13.Be5) 10...Nbd7 (10...Nc6 11.c4+= (11.a4 ba4 12.Ra4 e5 13.Ba3) 11...bc4 12.dc4 Rb8 13.Qc2) 11.Nbd2 (11.c4 Qe7= (11...Bb7 12.cb5 ab5 13.Nd4) 12.cb5 ab5 13.Nd4) 11...Qc7 (11...Rb8 12.a4+= ba4 13.Ba3) 12.c4 dc4 13.dc4 b4 14.a3 ba3 15.Ba3 Ba3 (15...Nc5 16.Nb3+=) 16.Ra3= Bb7 17.Qa4 (17.Qa1 Rfd8=) 17...a5+= 18.Rfa1 (18.Qc2 Nc5+=) 18...Nc5 19.Qc2 a4 (19...Rfd8 20.Nd4+=) 20.Nd4 Rfd8 21.Nb5 Qd7 22.Nf3 Nfe4 23.Rd1 Qe7 24.Qb2 Rac8 (24...Qf6 25.Qf6 Nf6 26.Rd4+=) 25.Rd4 Re8 26.Rd1 e5 27.Ne1 Qh4 28.g3= Qg5 29.f3 Ng3 30.hg3 Qg3 31.Ng2 Bf3 32.Bf3+= Qf3 33.Rd5 Ne4 34.Ra4 Rc6 35.Qc2?? Rg6 36.Rd2 Qe3 37.Rf2 Nf2 38.Qf2 Qc1 39.Qf1 Rg2! 40.Kg2 Qc2 41.Kg1 Qa4 42.Nd6 Ra8 43.Qf7 Kh8 44.Qf1 Qa3 (44...Qa3 45.Nf7 Kg8 46.Ne5 Qg3 47.Kh1 Qe5–+) 0–1. Goesmann,Stefan (2100) – Scholz,Sascha (2205), RSX9E – A00 – Sokolsky–2, 2004.

6.c4 Bd7

7.bc6 Bc6 8.cd5 Bd5 9.Bb5 Nc6 10.Nc3 0–0 11.Nd5 ed5 12.0–0 Ng4 13.h3 Nge5 14.Ne5 Be5 15.Be5 Ne5 16.d4 Nd7 17.Qh5 Nf6 18.Qf5 Ne4 19.Bd3 g6 20.Qg4 f5 21.Qf4 Qb8 22.Qb8 Rab8 23.Rfc1 b5 24.Rc7+/– Rf7 25.Rac1 Rb7 26.Rc8 Kg7 27.f3 Nf6 28.R1c5 a6 29.R8c6 Ra7 30.Bc2 Rfd7 31.Bb3 h6 32.Rb6 Rdc7 33.Rc7 Rc7 34.Ra6 Rc1 35.Kh2 Rb1 36.Rb6+– Rb2 37.Kg3?? Nh5= 38.Kh2 f4 39.e4 Ng3 40.Bd5?? Rb1?? 41.Rb7= Kh8 42.Rb8 Kh7 43.Rb7 Kh8 44.Rb8 Kg7 45.Rb7 ½–½. Griffiths,Hywel (1615) – Shaw,Dashiell (1750), BCF–chT4, 2007.

7.cd5 ed5 8.bc6 Nc6 9.Be2 0–0 10.0–0 Qb6 (better is 10...Rc8!?=) 11.Bf6+/– gf6 12.d3 (12.Nc3 Ne7+/–) 12...Kh8 13.d4 Rg8 14.Re1 Bg4 15.Nbd2 Qc7 16.Rc1 Qe7 17.Qb3 Be6 18.Nf1 Rab8 19.Rb1 a6 20.Rec1 Na5 21.Qa4 Nc6 22.Qb3 Qd7 (22...Na5 23.Qb6 Nc4 24.Bc4 dc4 25.N1d2+=) 23.Bd3 Bg4 24.Ne1 Be6 25.Qb6 Bc7 26.Qb3 Qd6 (better is 26...Bd6!?=) 27.Qd1 Rg7 28.Qh5 b5 29.Qh4 Bd7 30.Rc2 Rbg8 31.g3 (31.Ng3 Bd8 32.Nf5 Bf5 33.Bf5 Ne7+/–) 31...Bg4 (better is 31...Ba5!?=) 32.Rbc1 Bd7 33.Qf4 (better is 33.Bf5! Nb4 34.Rc7 Bf5 35.a3+/–) 33...Qf4= 34.ef4 Bf4? (better is 34...Ba5!? 35.Rc6 Bc6 36.Rc6 Be1+=) 35.Rc6+/– Bc1 36.Rc1 Rc8 37.Rc8 Bc8 38.Ne3 Bb7 39.Nf3 Rg8 40.Nf5 Re8 41.Nd6 Re7 42.Kf1 Bc6 43.Nh4 Bd7 44.Nhf5 Bf5 45.Nf5 Rc7 46.Ne3 Rc3 47.Ke2 Ra3 48.Nd5 Ra2 49.Kf3 Rd2 50.Ke3 Rd1 51.Nf6 Kg7 52.Ne4 Kf8 53.d5 a5 54.Bb5 Rd5 55.Bc4 Re5 56.f4 Re7 57.Kd4 f5 58.Nc5 Re1 59.Ne6 Ke7 60.Nc5 Rd1?? 61.Ke5 Re1 62.Kd5 (62.Kf5 Rc1 63.Ke4 Rc4 64.Kd5 Rc2–/+) 1–0. mila77 (1810) – gosprzydowa (1840), kurnik, 2012.

6.d4 0–0

7.a4 cb5 8.ab5= Bd7 9.Ne5 Qb6 10.c4 dc4=+ 11.Bc4 Bb5 12.Qb3 Ba6 13.Qb6 ab6 14.Nd2 Bb4 15.Ke2= Nbd7 16.Ba6 ba6–/+ 17.Rhc1 Bd2 18.Kd2 Ne5 19.de5 Ng4 20.Ke2 Nh2 21.f3 a5 ½–½. Suess,Stefan – Hoell,Andreas, corr ICCF GT–120, 1986.

7.Be2 cb5–/+ 8.Bb5? Qa5–+ 9.Nc3 Bb4 10.Qd3 Ne4 11.0–0 Bc3 12.Bc3 Nc3 13.Ne5 Nb5 14.c4 dc4 15.Nc4 Qc3 (15...Qc3 16.Qe2 Nc6–+; 15...Qa4 16.Rfc1–+) 0–1. makaveli1982 – pendyala1 (1675), internet, 2007.

5.Nf3 Bd7

6.a4 c6 7.Be2 cb5 8.ab5 Qb6 9.Nc3 Be7? (better is 9...0–0=) 10.Na4+– Qc7 11.Nc3?? (better is 11.Bd4 Qa5 12.Nb6 ab6 13.Bc3 Qa1 14.Ba1+–) 11...0–0= 12.0–0 a6 13.Ba3 Ba3 14.Ra3 Qd6 15.Qa1 Be8 16.Nd4 e5 17.Nf5 Qe6 18.Ng3 Nbd7 (18...Bd7!?=) 19.d4 ed4 20.ed4 Rc8 (better is 20...Nb8!?+/–) 21.ba6+– ba6 22.Ra6 Qe7 (22...Nb6 23.Re1 Qc6 24.Na4 Qa4 25.Ra4 (25.Rb6?! Qc2 26.Bf3 Bd7+=) 25...Ba4 26.Qb1+–) 23.Re1 (23.Nf5!? Qd8+–) 23...Qb4+/– 24.Ra3 Nb6?? (24...g6 25.Ba6 Ra8 26.Ra4+–) 25.Rb1 (better is 25.Nf5 Rc3 26.Rc3+–) 25...Qd6 26.Nf5 Qe6 27.Bg4 1–0. surmavlod – pipajcio, kurnik, 2013.

6.a4 Qe7 7.c4 0–0 8.Nc3 c6 9.Be2 e5 10.d4 e4 11.Nd2 cb5 (11...dc4!? 12.Bc4 Be6=) 12.c5+= (worse is 12.Nb5 Bb5 13.ab5 dc4 14.Bc4 Nbd7=) 12...Bc7 13.ab5 (worse is 13.Bb5 Nc6=) 13...Re8? (better is 13...a5+/–) 14.b6!+– Bd8?? (14...ab6 15.Ra8 Pinning (15.Ra8 Deflection)) 15.Ra7 (15.ba7?! Nc6 16.Nb5 b6+/–) 15...Ra7 (15...Bb6 16.Ra8 Bc7 17.Qb3+–) 16.ba7 Na6 (16...Nc6 17.a8Q Ba5 18.Qb7 Rb8+–) 17.a8Q Bc6 18.Qa7 Nb4 19.Qa3 Na6 20.Nb3 Bc7 21.Na5 Nb8 22.0–0 Rd8 23.Qdb3 Ne8 24.Nb5 Nf6 25.Na7 Bd7 26.Qb7 (26.Qb7 Be6 27.Nb5+–) 1–0. michaelbuss – pieeater, ChessWorld.net, 2013.

6.c4 a6 7.cd5 ed5 8.a4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.d4 c6 12.bc6 Nc6 13.Bd3 Qe7 14.0–0 Nb4 15.Bb2 h6 16.Nc3 Nd3=+ 17.Qd3 Rb8 18.Nb5 Bh2 19.Nh2 Qb4–/+ 20.Nc3 Qb2 21.Rb1 Qa3 22.Qc2 Rc8 23.Nb5 Qa6 24.Qb3? Bf5 25.Re1 Qa5 26.Nf3 Rc6 27.Na3 Rc3 28.Qb7 Qa3 29.Ne5 Be6 30.Rb1 Rc1 31.Rc1 Qc1 32.Kh2 Ne4 33.Qb8 Kh7 34.Qc7 Qc7 0–1. Murray,Findlay (1750) – Inving,Yugi, FICGS, 2008.

6.c4 c6 7.a4 0–0 8.Qc2 h6 (8...Qe7 9.d4=+) 9.d3 Re8 10.Nc3 (10.c5 Bf8=) 10...Bb4 11.0–0–0 (Better is 11.Be2!?=) 11...a6 12.Qb3 Bd6 (12...Bc3 13.Qc3 cb5 14.ab5 ab5 15.cd5–/+) 13.g3 (13.Kd2 ab5 14.ab5 e5–/+) 13...ab5–/+ 14.ab5 cb5 15.Nb5 Bb5 16.Qb5 Qc7?? 17.Bf6+– gf6? 18.Qe8 Kg7 19.Rd2 Qa5?? 20.Kd1 Qa1?? 21.Ke2 Nc6 22.Qd7 Bb4 23.Bg2 Qa6 24.Rb2 dc4 25.dc4 Qc4 26.Qd3 Qc5 27.Rc2 Qa5 28.Qc4 Rd8 29.Rb1 Rc8 30.Rb4! Qb4 31.Qb4 Nb4 32.Rc8 Nd5 33.Nd4 e5 34.Nf5 Kg6 35.Rg8 Kf5 36.Bh3 Ke4 37.f3# 1–0. Bonetti,Shane – ficlas (2040), ICC, 2002.

6.d4 Qe7 7.a4 e5 8.de5 Bc5 9.Be2 Ne4 10.Qd5 Nf2 11.Kf2 Kf8 12.Qb7 Kg8 13.Qa8 g6 14.Qd5 Be6 15.Qd3 Nd7 16.c4 Kg7 17.Rd1 Rd8 18.Ba3 Ba3 19.Qa3 Qe8 20.Nc3 Kg8 21.Nd5 Bg4 22.Nc7 Qf8 23.Qf8 Kf8 24.h3 Bf5 25.g4 Be6 26.Ne6 fe6 27.Nd4 Ne5 28.Ne6 Ke7 29.Nd8 Nf7 30.Nc6 Ke6 31.Bf3 Ne5 32.Ne5 Ke5 33.Rd5 Ke6 34.Rad1 h5 35.Rd6 Ke5 36.R1d5 1–0. mihai740609 – rollo18, kurnik, 2014.

6.Be2 0–0 7.0–0 Qe8 (7...a6 8.a4=) 8.a4 (8.Bf6 gf6 9.a4 a6+=) 8...c5 (8...e5 9.Nc3=) 9.bc6 (9.c4!?+=) 9...Nc6= 10.d4 Rc8 11.Nbd2 a5 (11...e5 12.de5 Ne5 13.c4=) 12.Bb5 (12.c4!?+=) 12...Nb4 13.c3 Bb5 14.ab5 Nd3 15.Ba3 (15.Qb3!? b6 16.Ba3 Ba3 17.Ra3+=) 15...Ba3–/+ 16.Ra3 Qb5 17.Rb3 Qa6 18.Qc2 Rc7 (better is 18...Rc6!?–+) 19.Rfb1+= Rfc8 (better is 19...Nf2!? 20.Kf2 Ng4 21.Kg3 Ne3+=) 20.Rb6+= Rc3?? (better is 20...Nb4! 21.Ra6 Nc2 22.Ra5 Ne8+=) 21.Qc3+– Rc3 22.Ra6 ba6 (22...g5 23.Rb7 Rc1 24.Nf1 Ne4 25.Ra8 Kg7+–) 23.Rb8 1–0. wojtekkk – andc1234, kurnik, 2013.

6.Be2 c5 7.c4 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.0–0 Ne4 12.Ne5 Be5 13.Be5 Qa5 14.cd5 ed5 15.Nc3 Nc3 16.Bc3 Qb6 17.Qb3 c4 18.Qb2 Qb5 19.Qb5 Bb5 20.Bb4 Re8 21.d4? Nc6 22.Bc3 Ba6 23.Bf3 Rd8 24.Ra1 Nb8 25.Ba5= Rd7 26.Bg4 Rd6 27.Bb4 Rb6–/+ 28.Bc5 Rb2 29.h3 c3 30.Ba3 Rd2?? 31.Bb4 Rc2 32.Bf5 Nc6? 33.Bc2+– Nb4 34.Ba4?? c2=+ 35.Bc2 Nc2–/+ 36.Rc1 Bd3 37.f4 h6 38.g4 b5 39.h4 Ne3?? 40.Rc8 Kh7 41.g5?? hg5 42.fg5? Kg6 43.Rc5?? Bc4–+ 44.Kf2 Nf5 45.Rc6 Kh5 0–1. stoker – kkel, Live Game Caissa's Web, 2004.

6.Bf6 Qf6+= 7.d4 c6 8.c4 Bb4 9.Nbd2 a6 10.a4 Bc8 (10...dc4 11.bc6 Bc6 12.Bc4+=) 11.Rb1= Bd2 12.Qd2 0–0 13.Bd3 ab5 14.ab5 cb5 15.cd5 ed5 16.Bb5 (16.0–0 Bd7+=) 16...Bd7 (16...Qg6!? 17.0–0 Bh3+=) 17.0–0 Bg4 18.Be2 Nd7 (18...b6!?+=) 19.Rb7+/– Rfd8 20.h3 Bh5 21.Rc1 h6 22.Rcc7 Qd6 23.Ne1 Rab8?? (better is 23...Be2 24.Qe2 Ra1+–) 24.Bh5+– Rb7 25.Rb7 g6 26.Bg4 Nb6 27.Qa5 Nc4 28.Qc7 Qc7 29.Rc7 f5 (29...Ra8 30.Nd3+–) 30.Be2 Nd2 31.Rc2 Ne4 32.Bf3 Nf6 (32...Ra8 33.Nd3 Ra6 34.Rc7+–) 33.Nd3 Kf7 (33...g5 34.Ne5+–) 34.Ne5 Ke6 35.Rc6 Ke7 (35...Rd6 36.Rd6 Kd6 37.Ng6+–) 36.Ng6 Kf7 37.Ne5 Ke7 38.Rc7 Ke6 39.Nc6 Ra8 40.Ne7 Ne4 41.Be4 de4 42.Rb7 Ra1 43.Kh2 Ra2 44.Kg3 Kf6 (44...h5 45.Ng6+–) 45.d5 (better is 45.Ng8 Ke6 46.Nh6 f4 47.Kf4 Rf2 48.Ke4 Rg2 49.d5 Kd6 50.Nf7 Kc5 51.d6+–) 45...Ke5 (45...h5+–) 46.Rb6 Ra5 (46...f4 47.Kh4 fe3 48.fe3 Ra6 49.Ra6 h5 50.Re6) 47.Re6 1–0. bluepiramid2 – kijka6, kurnik, 2013.

6.Be2 a6

7.ba6 Na6 8.0–0 0–0 9.Ne5 c6 10.Ba6 Ra6 11.Ng4 Ng4 12.Qg4 e5 13.Qg3 Qe7 14.f4 f6 15.fe5 fe5 16.Rf8 Kf8 17.Nc3 Kg8 18.Ne2 Rb6 19.Bc3? (better is 19.Bc1–/+) 19...d4!–+ 20.Ba5 (20.ed4 ed4 Combination) 20...Rb5 21.ed4 Ra5 22.Qb3 Be6 23.Qc3 Ra8 (better is 23...Ra3 24.Qb2 ed4 25.Nd4–+) 24.de5 Rf8?? (better is 24...Bb4 25.Qe3 Ra2 26.Ra2 Ba2–+) 25.ed6+= Qd6 26.d4 Bd5 27.Qg3 Qf6 28.Re1 Ba2 29.Qe3 Bc4 30.Ng3 h5 31.h3 Qg6 32.Qc3 b5 33.Re5 h4 34.Ne4 Bd5 35.Qe3 Bc4 36.Qg5 Qg5 37.Ng5 Rf1 38.Kh2 Rf2 (38...Bd5!?=) 39.Re8+= Rf8 40.Rf8 Kf8 41.Nf3 Ke7 42.Nh4 Ke6 43.Kg3 b4 44.Kf2 Kd5 45.Ke3 Bf1 46.Kf2 Bb5 47.Nf5 g6 48.Ne7 Kd4 49.Ng6 Kc3 50.h4? Kc2 51.h5 Bd3 52.Ne5+= b3 53.Nd3 Kd3 54.h6 b2 55.h7 b1Q 56.h8Q Qb5 ½–½. Koper,Konrad (1660) – Okoniewski,Pawel, Szachowe Lato Poznan Poland, 2010.

6.Be5 Be5

7.Ne5 a6 8.ba6 ba6 9.Ba6 Na6 10.0–0! 0–0! 11.d4 Bb5 12.Re1 Nb4 13.a4 Ba6 14.Nd2 Ne4 15.Ne4 de4 16.Qg4 Nc2 17.h3 Na1 18.Ra1 Rb8 19.Nc6 Qe8 20.Nb8 Qb8 21.Qe4 Bb7 22.Qe5 Qa8 23.f3 Bd5 24.Qc7 Rc8 25.Qe7 Rc4 26.a5 h6 27.a6 Rc2 28.a7 Rb2 29.Qd6 Kh7 30.Kh2 f5 31.Qe7 Rb7 32.Qd6 Ra7 33.Rc1 Rb7 34.Qf4 Qb8 35.Qb8 Rb8 36.Kg3 h5 37.Kf4 Kh6 38.g4 g5 39.Ke5 f4 40.e4 Bb3 41.Rc3 hg4 42.hg4 Kg6 43.d5 ed5 44.ed5 Re8 45.Kd4 Ba2 46.d6 Rd8 47.Rc6 Kf6 48.d7 Ke7 49.Rc5 Rd7 50.Kc3 Be6 51.Rg5 Rc7 52.Kd4 Rc4 53.Ke5 Rc5 54.Kf4 Kd6 55.Rc5 Kc5 56.Ke5 Bd5 57.f4 Bg8 58.f5 Kc6 59.g5 Kd7 60.Kf6 Ke8 61.g6 Kf8 62.Ke5 Kg7 63.Kf4 Kf6 64.Kg4 Bd5 65.Kf4 Bc4 66.Kg4 Bd3 67.Kf4 Bf5 68.g7 Kg7 ½–½. wojtekkk – 1zdz, kurnik, 2014.

5.Nf3 Nbd7

6.a4 0–0 7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.c4 Nbd7 6.Nf3 0–0 7.a4).

6.a4 b6 7.c4 Bb7 8.Be2 Qe7 9.0–0 Ng4 10.h3 h5 11.d4 Ndf6 12.Nbd2 Ne4 13.cd5 Bd5 14.Bc4 Bb4 15.Bd5 ed5 16.Ne4 de4 17.Ne5 f5 18.Ng6 Qd6 19.Nh8 Qh2 0–1. czemar – bessbass, kurnik, 2014.

6.a4 c6 7.c4 0–0 8.cd5 cd5 9.Be2 e5 10.0–0 e4 11.Nd4 Qc7 12.d3 (better is 12.f4!?=) 12...Bh2–/+ 13.Kh1 Be5 14.de4 Ne4 15.Bf3 Qb6 16.Nc3?? (better is 16.Kg1–/+) 16...Qh6–+ 17.Kg1 (17.Bh5 Ndf6 18.Ne4 Nh5 19.Kg1 de4 20.Nf5 Bh2 21.Kh2 Bf5 22.Rh1–+) 17…Qh2 mate 0–1. ursus11 – athoj, kurnik, 2012. (=1.Nf3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 Bd6 5.e3)

6.Bd3 0–0 7.0–0 Qe8 8.Be2 b6 9.d4 Bb7 10.Nbd2 c5 11.dc5 Nc5 12.c4 Rd8 13.Bf6 gf6 14.Nd4 Ne4 15.Nc6 (better is 15.Ne4 de4 16.Qe1+=) 15...Bc6–/+ 16.bc6 dc4?? (better is 16...Qc6 17.cd5 Qd5 18.Ne4 Qe4–/+) 17.Bc4?? (better is 17.Ne4 Be5 18.Qc2 Qc6 19.Rad1+– (19.Bc4?! f5 20.Ng3 b5=)) 17...Nd2–+ 18.Qg4 (18.Bd3 Bh2 (18...Nf1?! 19.Qg4 Kh8 20.Qh4 Bh2 21.Kf1 Rd3 22.Qf6 Kg8 23.Qg5 Kh8 24.Qf6 Kg8 25.Qg5 Kh8 26.Qf6=) 19.Kh2 Rd3 20.Qg4 Kh8–+) 18...Kh8 19.Bd3 (19.Rfc1 Rg8 20.Qh3 Be5–+ (20...Qc6?! 21.Bd3 Bh2 22.Kh1 Qg2 23.Qg2 Rg2 24.Kg2–+)) 19...f5 (19...Nf1?! 20.Qh4 Bh2 21.Kf1 Rd3 22.Qf6 Kg8 23.Qg5 Kh8 24.Qf6 Kg8 25.Qg5 Kh8 26.Qf6=; 19...Qc6 20.Bh7 Be5 21.Rac1–+) 20.Qd4 (20.Qa4 Nf1 21.Bf1 Qe7–+) 20...e5 (20...e5 21.Qa4 Nf1 22.Bf5 Ne3 23.fe3 Qe7–+) 0–1. arti000 – easystyleit, kurnik, 2013.

6.Bd3 c5 7.0–0 c4 8.Be2 Qb6 9.a4 a6 10.d3 ab5 11.ab5 Ra1 12.Ba1 Qb5 (12...cd3!? 13.Qd3 Qc7=) 13.dc4+= Qc5 14.Bb2 Nb6 15.Ba3 Qc7 16.c5 (better is 16.Bd6 Qd6 17.cd5 Qd5 18.Nc3+=) 16...Bc5+= 17.Bc5 Qc5 18.Ne5 0–0 19.Nd2 Nbd7 20.Nb3 Qc7 21.f4 (21.Nf3!?–/+) 21...Ne5–+ 22.fe5 Qe5 23.c4? (better is 23.Qd3–+) 23...Qe3 24.Kh1 Bd7 (better is 24...Ne4 25.Nc1–+) 25.Rf3 Qe5 26.Nc5 (26.Qd2 dc4 27.Bc4 Bc6–+) 26...Bc6 (better is 26...Ng4!? 27.Qg1 Qe2 28.Nd7–+) 27.Nd3 Qc7 28.Rf1 (28.cd5 Bd5 29.Re3–+) 28...dc4 29.Nc5 (29.Nb4 b5–+) 29...Bd5 (better is 29...Qe5!? 30.Nb7 Bb7 31.Bc4 Bg2 32.Kg2 Qe4 33.Qf3 Qc4 34.Re1–+) 30.Na4 b5 31.Nc3 Bc6 32.Qd2 Rd8 33.Qg5 Ne4 (better is 33...h6 34.Qe3–+) 34.Ne4 Be4 35.Qb5 Bd3 36.Bd3 cd3 37.Qa4 d2 38.Qd1 Qc3 39.Rf2 (39.g3–+) 39...Qc1 40.Rd2 Rd2 (40...Rd2 41.Qc1 Rd8+–; 40...Qd1 41.Rd1 Rd1) 0–1. arti000 – dimeglio, kurnik, 2013.

6.Bd3 c6 7.0–0 0–0 8.Ng5 (8.Nc3!?+=) 8...h6 9.bc6 (9.Nf3!?–/+) 9...bc6–+ (9...hg5?! 10.cd7 Bd7 11.Nc3+=) 10.Nf3 Rb8 11.Bc3 Nc5 (11...e5 12.Be2–+) 12.Bf6 (better is 12.Ne5!? Qc7 13.f4–/+) 12...Qf6–+ (12...gf6?! 13.Nd4 Nd3 14.cd3–/+) 13.Be2?? (13.Nc3–+) 13...Qa1 14.Nh4 (14.Nc3 Qb2 15.Nd4 Bd7–+) 14...Ba6 (better is 14...Qa2 15.Nc3 Qb2 16.f4–+) 15.d3 (15.Ba6 Na6 16.Nf3 Rb2–+) 15...Rb6 (better is 15...Qa2 16.Nc3 Qb2–+) 16.Qd2 (16.Nd2 Qd1 17.Bd1–+) 16...Rb1 17.g3 Rf1 18.Bf1 Qa2 (better is 18...Rb8!? 19.Kg2 Rb1 20.Be2–+) 19.Nf3 Rb8 20.Nd4 Rb1 21.Kg2 Ne4 22.Qe2 Qa1 23.Nf3 Rf1! 24.Nh4 (24.Qf1 Qf1 Combination) 24...Rf2 0–1. Bernard – Sprut, playchess.de, 2002.

6.d4 c6 7.a4 0–0 8.Be2 Qc7 (8...cb5 9.ab5 a5 10.0–0 Nb6 11.Nc3 Qe7 12.Na4 Na4 13.Ra4 b6; 8...c5 9.0–0 Qc7 10.Nc3 cd4 11.ed4 b6 12.Ba3 Ne8 13.Qd2 Bb7; 8...Ne4 9.Nbd2 Ndf6 10.0–0 Qc7 11.bc6 bc6 12.g3 Rb8 13.Rb1 c5; 8...a6 9.Nc3 e5 10.0–0 e4 11.Nh4 Qc7 12.h3 cb5 13.ab5 Nb6) 9.Nbd2 (9.0–0 Ne4 10.Bd3 e5 11.bc6 bc6 12.de5 Ne5 13.Ne5 Be5) 9...e5 (9...c5 10.0–0 e5 11.Ne5 Ne5 12.de5 Be5 13.Be5 Qe5) 10.de5 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.0–0 (13.bc6 bc6) 13...Bf5 (13...c5+=) 14.Bd3 Bd3 15.cd3 Rfc8 16.Nf3 Qd6 17.bc6 bc6 18.Rb1 Rab8 19.Qc2 c5 20.h3 Nd7 21.Rfc1 Rb1 22.Rb1 Rb8 23.Qa2 Nf6 24.Qc2 Nd7 25.Rb3 h6 26.Qb2 Rb3 27.Qb3 Qc6 28.Nd2 a5 29.Kf1 Nb6+= 30.Qb5 Qb5 31.ab5 a4 32.Nb1 Kf8 33.Ke2 Ke7 34.d4 Kd6 35.Kd3 Nc4 36.Kc3 f5 37.g4 g6 38.gf5 gf5 39.Kc2 h5 40.h4 cd4 41.ed4= f4 42.Kc3 a3 43.Kb3 Nb2 44.Kc2 Nd3 45.Na3 Ne1 46.Kd1 Nf3 47.Nc2 Nh4 48.b6 Ng6 49.Nb4 Ne7 50.Nd3 Ng6 51.Ke2 h4 52.Ne5 h3 53.Ng4? Kc6 54.Kf1 Nh4 55.Ne5–/+ Kb6 56.Kg1 Nf5 57.Kh2 Nd4 58.Kh3 Kc5 59.Nd3 Kc4 60.Nf4 Nf5 61.Nd5 Kd5 ½–½. Medvedyk,Volodymir – Liang,Awonder (1870), Caldas Novas BRA, World Ch U8 (b), 2011.

6.Be2 Nc5 7.0–0 Bd7 8.a4 Qe7 9.c4 0–0–0 10.d4 Nce4 11.c5 Bh2 12.Nh2 g5 13.Ng4 Ng4 14.Bg4 f5 15.Bf3 g4 16.Be4 de4 17.d5 Rhg8 18.d6 Qh4 19.dc7 Rg6 20.cd8Q Kd8 21.c6 bc6 22.bc6 Ke8 23.Qd7 Kf8 24.c7 Rh6 25.c8Q 1–0. avinoam – julianass, kurnik, 2013.

6.c4

6.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.c4 Nbd7 6.Nf3).

6.c4 c5 7.Nc3 0–0 8.Be2 b6 9.0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.Nc3).

6.c4 c5 7.d4 0–0 8.Be2 b6 9.0–0 Bb7 10.a4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.a4 Bb7 10.d4).

6.c4 c5 7.Be2 0–0 8.0–0 Qe7 (--> 1. b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 Qe7).

6.d4 0–0

7.Nbd2 Qe7 8.Be2 Ba3 (8...a6 9.0–0+= (9.ba6 b6 10.c4 Ba6 11.0–0 Ne4 12.Ne4 de4 13.Ne5 Ne5 14.de5; 9.a4 b6 10.Ne5 Bb7 11.ba6 Ba6 12.Ba6 Ra6 13.Nc6 Qe8 14.Qe2) 9...ab5 10.Bb5 h6 11.Ne5 c6 12.Bd3 Rd8 13.a4 Kh8 14.Qf3) 9.Qc1 (9.Ba3 Qa3 10.c4 a6+= 11.0–0 ab5 12.cb5 c5 13.bc6 bc6 14.Qb3) 9...Bb2= 10.Qb2 a6 11.a4 Re8 (11...ab5 12.ab5 Ra1 13.Qa1 Re8 14.Qc3) 12.0–0 ab5 (12...e5!?= 13.h3 ed4 14.Nd4) 13.ab5+= (worse is 13.Qb5 e5= 14.h3) 13...Ra1 14.Ra1 Nb6 15.Ra7 Rd8 16.h3 h6 17.Bd3 Ne8 18.c4 dc4 19.Nc4 Nc4 20.Bc4 Nd6 21.Bd3 Bd7 22.Ne5 (22.Qb4 Qf8+/–) 22...Be8 23.b6 f6 24.bc7 Qc7 25.Ng6 Bf7 26.Nf4 Rc8 27.Qb4 Qc6 28.Bg6 Qc1 (28...Bg6 29.Ng6 Kh7 30.Nf4+=) 29.Kh2+/– Qc7 30.Bf7 Kf7 31.Qb3 Qc4 32.Qb1 Qc2 33.Qb6 (33.Qe1 Rc6+=) 33...Qc6 (33...Qc7 34.Qc7 Rc7 35.Nd3=) 34.Qb1 Qc2 35.Qb6 Qc6 36.Qb1 ½–½. Bigalke,A (2025) – Hedke,F (2335), Open A, Hamburg GER, 2005.

7.Bd3 Nb6 8.Nbd2 Na4 9.Rb1 Nb2 10.Rb2 Bd7 11.0–0 Qe7 12.a4 c5 13.c4 Rfc8 14.Qb3 b6 15.Ne5 Be5 16.de5+/– Ng4 17.Nf3 dc4 18.Qc4 Nh6 19.h3 Rd8 20.Rd2 Rab8 21.Rfd1 Be8 22.Qf4 Kh8 23.Ng5 g6 24.Ne6+– Qe6 25.Qh6 Qe7?? 26.Bg6! fg6 27.Rd8 Rd8 28.Rd8 Kg8 29.Ra8 Qe5 30.Ra7 c4 31.Qh7 Kf8 32.Qh6 Kg8 33.Qh7 Kf8 34.Qc7 Qc7 35.Rc7 Bf7 36.Rc6 Bd5 37.Rb6 c3 38.Rb8 Ke7 39.Rc8 (39.Rc8 c2 40.Rc2+–) 1–0. Bittner – Witte, Braunschweig, 1986.

7.Bd3 Qe7 8.0–0 e5 9.de5 (9.Ne5 Ne5 10.de5 Be5 11.Be5 Qe5 12.Nd2 Bg4 13.Qc1 Rfe8 14.h3 Bd7) 9...Ne5 (9...Be5? 10.Ne5 Ne5 11.Ba3+–) 10.Ne5 Be5 11.Be5 Qe5 12.Nd2 Bg4 13.Be2 (13.Qc1 Qd6 14.h3 Bh5) 13...Be2 14.Qe2 a6 15.Nf3 Qc3 16.Nd4 ab5 17.Nb5 Qc5 18.Nd4 Ra3 19.Qb5 Qb5 20.Nb5 Ra5 21.Rfb1 (21.Nc7? Rc8 22.Nd5 Nd5–+) 21...c6 22.Nd4 Ra7 23.Rb2 Ne4 24.Ne2 g6 25.f3 Nd6 26.Kf2 Rfa8 27.Nc1 b5 28.Rb3 f5 29.Rab1 (29.Nd3 Nc4–/+ (29...Ra2?! 30.Ra2 Ra2 31.Nb4=)) 29...Nc4 30.Rd3 Kg7 31.h3 Kf6 32.f4 h6 33.h4 Rg8 34.Rb2 0–1. Latka,Tadeusz (1690) – Turlej,Lukasz (2155), Krakow Poland, Open, 2011.

6.d4 c5

7.dc5 Nc5 8.c4 0–0 9.Be2 b6 10.0–0 Bb7 11.cd5 Nd5 12.Qd4 Nf6 13.Rd1 Be7 14.Qd8 Rfd8 15.Nc3 Nd5 16.Nd5 Bd5 17.a4 Rac8 18.Nd2 Nb3 19.Nb3 Bb3 20.Rd8 Rd8 21.Bd4 Rc8 22.a5 ba5 23.Ra5 Rc1 24.Bf1 Bf6 25.b6 Bc4 26.h3 Rf1 27.Kh2 Bd4 28.ed4 a6 29.b7 Rb1 30.Rc5 Kf8 31.Rc8 Ke7 32.b8Q Rb8 33.Rb8 Kd6 34.Rg8 g6 35.Rg7 e5 36.de5 Ke5 37.Rh7 a5 38.Rh4 Kd5 39.Rh8 a4 40.Ra8 Bb3 41.h4 Ke4 42.g3 Kf3 43.Kg1 Bc2 44.Ra7 Bb3 45.Ra6 Kg4 46.Ra7 Kf3 47.Kf1 Bc4 48.Ke1 Bb3 49.Ra6 Ke4 50.g4 Kf4 51.h5 Kg5 52.f4! Kh6 53.f5 Kh7 54.hg6 fg6 55.Rg6 a3 56.Ra6 a2 57.g5 Bc4 58.Ra7 Kg8 59.f6 1–0. Mueller II,Klaus (1840) – Krebs,Hans (1880), P2002 DESC, 2002.

7.bc6 bc6=+ 8.c4 Bb4 9.Nfd2 c5 10.a3 Ba5 11.cd5+= ed5 12.dc5 Nc5 13.Bb5 Bd7= 14.Bd7 Ncd7 15.0–0 0–0 16.Nf3 Re8 17.Bd4 Ne4 18.Ne1 Qh4 19.g3 Qh3 20.Ng2 Bc7 21.Nc3 Ndf6 22.Bf6=+ Nf6 23.f3 Rad8 24.Ne2 Bb6 25.Nd4 Rc8 26.Rc1 Rc1 27.Qc1 Rc8 28.Qd2 Rc4 29.g4 Bc7 30.Nf4 Bf4 31.ef4 Ng4 32.fg4+/– Qg4 33.Kh1 Qh3 34.Qe2 Qd7 35.Qe5 f6+/– 36.Qb8 (36.Qb8 Rc8 37.Qb3+/–; 36.Qe3 a5+–) 1–0. Hanisch – Wolff,D, corr DDR, 1985.

7.Be2 cd4 8.ed4 Qa5 9.Nfd2 Ne4 10.0–0 Qc7 11.g3 Ndf6 12.c4 b6 13.Ne4 Ne4 14.Qd3 0–0 15.Rc1 Qe7 16.Qe3 f5 17.Ba3 f4 18.gf4 Qh4 19.Bd6+= Nd6 20.cd5 Rf4=+ 21.Rc6 Ne4 22.Bf3 ed5 23.Nc3 Bg4?? 24.Be4+– Re4 25.Ne4 de4 26.Qg3 Qh5 27.Rac1 Rf8 28.Rc7+– h6 29.h3 Qh3 30.Qh3 Bh3 31.Ra7 Rd8 32.Rcc7 Bf5 33.Rg7 Kh8 34.Rgf7 Bg6 35.Rf6 Rg8 36.Rb6 Bf7 37.Kh2 Bd5 38.Rh6# 1–0. Behle,Burkhard – Lutterbeck,Uwe, Bergisch Gladbach–ch, 1994.

6.d4 Qe7

7.c4 Bb4 8.Nbd2 (8.Bc3 e5 9.a3 Bc3 10.Nc3 e4 11.Nd2 dc4 12.Bc4 Nb6 13.Be2 0–0 14.Qc2=) 8...0–0 9.a3 Ba5 10.Qa4 Bd2 11.Nd2 a6 12.cd5 ed5 13.Rc1 Ne8 14.Bd3 +=.

7.c4 b6 8.Nc3 (8.Nbd2 0–0 9.Bd3 a6 10.0–0 dc4 11.Nc4 ab5 12.Nd6 Qd6 13.Bb5 c6 14.Ba4=) 8...a6 9.cd5 ed5 10.Qb3 Qe6 11.Ba3 ab5 12.Bd6 Qd6 13.Nb5 Qc6 14.Ne5 +–.

7.c4 dc4 8.Bc4 (8.Nbd2 Nb6 9.Nc4 Nc4 10.Bc4 Bh2 11.Rh2 Qb4 12.Nd2 Qb2 13.Qc1 Qb4 14.Be2=) 8...Nb6 (8...Bh2 9.Rh2 Qb4 10.Nbd2 Qb2 11.Rc1 Qb4 12.Qc2 Qa5 13.Be2 Nb6 14.Ne5+=) 9.Bb3 (9.Bd3 0–0 10.0–0 Rd8 11.e4 Bf4 12.Qc2 Nh5 13.a4 a5 14.ba6+/–) 9...0–0 (9...a6 10.ba6 Ra6 11.Ne5 0–0 12.0–0 Rd8 13.Qf3 Nfd7 14.Rc1=) 10.0–0 Bd7 (10...a6 11.Nc3 Nbd5 12.a4 ab5 13.Nb5 Bb4 14.Ne5=) 11.Nc3 c6 (11...Nbd5 12.Qd3 a6 13.a4 Rfd8 14.e4=) 12.a4 (12.Qd3 Rfc8 13.e4 Bb4 14.e5=) 12...a6 (12...Nbd5 13.Nd5 cd5 14.Bc2=) 13.Qe2 (13.a5 Nbd5 14.b6=) 13...Nbd5 (13...ab5 14.ab5=) 14.bc6 (14.e4=) 14...Bc6 15.Ne5 Nc3 16.Bc3 Ne4 17.Nc6 bc6 18.Rfc1 Nc3 19.Rc3 c5 20.d5 (better is 20.Rd1=) 20...Be5 (20...Be5 21.Rac1 Bc3 22.Rc3 ed5 23.Bd5 Rab8–+) 0–1. katchum (2535) – alaudati (2605), net–chess.com, 2014.

7.c4 c5 8.bc6 (8.Nc3 cd4 9.Nd4 dc4 10.Bc4 Nb6 11.Bd3 e5 12.Nf5 Bf5 13.Bf5 Rd8 14.Qb3=) 8...bc6 9.c5 Bc7 10.Nbd2 0–0 11.Rb1 a5 12.Qa4 Bb7 13.Bc3 Rfb8 14.Bd3 =.

7.c4 Qd8 8.Nc3 (8.c5 Be7 9.Bd3 a6 10.ba6 b6 11.cb6 Nb6 12.Qe2 Nbd7 13.Ne5 Ne5 14.de5+=) 8...0–0 9.c5 Be7 10.Bd3 a6 11.Qa4 Nb8 12.0–0 c6 13.b6 Nbd7 14.Qa5 +/–.

7.Be2 e5 8.0–0 e4 9.Nfd2 0–0 10.c4 c6 11.c5 Bc7 12.a4 Re8 13.Nc3 Nf8 14.Qb3 Bg4 15.h3 Be2 16.Ne2 Rad8 17.a5 White prepares b6 17...Bb8 18.b6 a6 19.Nc3 Nh5 20.Na2 f5 21.f4 Ng3 22.Rf2 Qh4 23.Nf1 Ng6 24.Ng3 Qg3 25.Raf1 (25.Nc1 Ne7=) 25...Kh8 (25...Nh4 26.Qd1–/+) 26.Bc1 Nh4 27.Kh1?? (27.Qd1 Nf3 28.Rf3 ef3 29.Qf3 Qg6–/+) 27...Re6 (better is 27...Bf4 28.ef4 Qb3–+) 28.Nc3?? (better is 28.Qd1–/+) 28...Rg6 (better is 28...Nf3! 29.Rf3 ef3–+) 29.Ne2+– Qf2 30.Rf2 Rh6 31.Ng3 Rf8 32.Bd2 Rff6 33.Qd1 Rfg6 34.Kh2 Kg8 35.Nh5 Kf7 36.Rf1 (better is 36.Qe2+–) 36...Rg2 37.Kh1 Rhg6 38.Be1 (better is 38.Bc3!? R6g5 39.Bb4=) 38...Nf3+= 39.Rf3?? Rg1 (39...Rg1 40.Kh2 R6g2) 0–1. popovicigelu – marcelfm, kurnik, 2012.

7.Be2 e5 8.de5 Ne5 9.0–0 Bg4 10.Nbd2 Nf3 11.Bf3 Bf3 12.Nf3 c6 13.bc6 bc6 14.c4 dc4 15.Qa4 0–0 16.Rac1 Rab8 17.Bf6 Qf6 18.Rc4 c5 19.e4 Be7 20.Nd2 Qb6 21.Nb3 Rfc8 22.e5 Rc7 23.Rfc1 h6 24.g3 Rbc8 25.h4 Kf8 26.Re1 Kg8 27.f4 Bf8 28.f5= a6 29.Qa3 Qb5 30.Qc1 Re8 31.Kh2 a5 32.Ree4 a4 33.Nd2 Rd8 34.e6 Rd5=+ 35.Rf4 Bd6 36.Rf2 Rd3 37.Ne4= Be5 38.ef7 Rf7 39.Rc5+/– Qe8 40.f6 Qe6 41.Rc8+– Kh7 42.Qc2 g6 43.h5 Qd5 44.Rf3! Bg3 45.Rg3 Qh5 46.Kg2 Rd1 47.Nf2 Qd5 48.Qe4 Rf6 49.Rc7 Kg8 50.Qd5 Rd5 51.Ng4 Rd2 52.Kh3 Rf1 53.Nh6 Kf8 54.Rh7 Rff2 55.Ng4?? Rf1= 56.Nh6 Rff2 57.Kh4?? Rh2 58.Kg5 Rhg2+= 59.Rg2 Rg2 60.Kf6 Rf2 61.Kg6 Ra2 62.Kf6 Ke8 63.Re7 Kd8 64.Nf7 Kc8 65.Ke6 a3= 66.Nd6 Kb8 67.Rb7 Ka8 68.Rb3 Ra1 69.Kd7+/– a2 70.Ra3 Kb8 71.Ra4 Rc1 72.Ra2 Rc7 73.Kd8 Rd7= 74.Kd7 ½–½. Tartakower,Savielly – Vajda,A, Vienna, 1921.

6.Be2 0–0

7.0–0 c6 8.a4 a6 9.ba6 (9.c4) 9...ba6 10.c4 Bb7 11.Nc3 Rc8 (11...c5) 12.Rb1 Qc7 13.h3 Rfe8 14.Qc2 (14.d4+=) 14...e5 15.Rfc1 e4 16.Nd4 c5 17.Nf5 Bh2 (17...Be5 unclear) 18.Kh1 Qe5 19.Ne4!–+ Qc7 20.Nf6 Nf6 21.Bf6 gf6 22.Rb7 Qb7 23.Kh2 Qc7 24.f4 d4 25.Bg4 Rcd8 26.Rf1 Kh8 27.Qb2 Qc6 28.a5 Rg8?? 29.Ne7 Qe4 30.Ng8 Kg8 31.Qb6 Qe7 32.Qa6 de3 33.de3 Rd6 34.Qa8 Kg7 35.Qf3 Rd3 36.Re1 1–0. Bedbur – Bakkers, corr SOK–90–57 1990 (Bedbur, Adam).

7.0–0 c6 8.a4 Qc7 9.d4 e5 10.h3 e4 11.Nfd2 cb5 12.ab5 Nb6 13.c4 Nc4 14.Bc4 dc4 15.Qc2 Bd7 16.Nc3 Rfe8 17.Ra4 a6 18.Rc4 Qb8 19.Ra4 ab5 20.Ra8 Qa8 21.Nde4 Ne4 22.Ne4 Be7 23.Ra1 Qc8 24.Qc8 Rc8 25.Rc1 Rc1 26.Bc1 b4 27.f3 b6 28.Kf1 Ba4 29.Kf2 b3 30.Bb2 f5 31.Nc3 Bd7 32.Ke2 b5 33.Nd5 Bd6 34.Kd3 Be6 35.Nf4 Bc4 36.Kd2 Kf7 37.Ne2 Bb4 38.Kd1 g5 39.f4 Kg6 40.g3 h6 41.Ng1 Bd3 42.Ne2 ½–½. Scheele,M – Wolf,K, Bochum, 1991.

7.0–0 e5 8.Nc3 =+.

7.0–0 Re8 8.d4= e5 (8...a6 9.Ba3=) 9.c4 (better is 9.de5 Ne5 10.Ne5 Be5 11.Be5 Re5 12.Nd2=) 9...dc4 (9...e4 10.Nfd2=+) 10.Bc4 (10.de5 c3 A) 11.ed6?? cb2 12.dc7 Qc7–+ (12...ba1R 13.cd8Q Rd8 14.Qc2+=; 12...ba1Q 13.cd8Q Rd8 14.Qc2–+); B) 11.ef6?? cb2 12.Nbd2 ba1Q 13.Qa1 Nf6–+; C) 11.Bc3 Ne5 12.Be5 Be5 13.Qd8 Bh2 14.Kh2 Rd8 15.Rc1+–) 10...e4= 11.Nfd2 (11.Ng5 Re7=) 11...Nb6=+ 12.Be2 Nfd5 (12...Nbd5 13.Nc4=+) 13.Nc3 (better is 13.Ba3=+) 13...Ne3?? (better is 13...Qh4 14.h3 Bf5=+) 14.fe3+– Qh4 (better is 14...Qg5 15.Nde4 Qe3 16.Nf2 Nd5 17.Nd5 Qe2 18.Qe2 Re2+–) 15.Rf4?? (15.g3 Qh6 16.Nde4 Qe3 17.Kg2 Re4 18.Ne4 Qe4 19.Bf3+/–) 15...Bf4=+ 16.ef4 Qf4 17.a4 (17.d5 e3 18.Nf3 Bg4=+) 17...Re6 (17...Qe3!? 18.Kh1 Qd4–/+) 18.a5 (18.d5 Re7=) 18...Nd7 (18...Qe3 19.Kh1 Nd7 20.Nd5+–) 19.Nd5 (19.d5 Re7=) 19...Qd6 20.Bc4 (20.Ne3 a6=) 20...Rh6 (20...e3!? 21.Nc7 Qc7 22.Be6 ed2=+) 21.Nf1= Kh8 (21...a6 22.Ba3 Nc5 23.Bc5+– (< 23.dc5 Qe5 24.c6 Re6+–)) 22.Ba3+= Qg6 23.Nc7+/– Rb8 24.Qb3 Nf6? 25.Bf7+– Qf5 26.Qg3 Qg4 27.Qd6 Bf5 28.Ne3 Qg5 29.Nf5 Qf5 30.Be6 Qh5 31.Re1 Qh4 32.Qg3 Qg3 33.hg3 Rg6 34.d5 Rg3 35.Be7 Rd3 36.Bf5 Nd5 37.Be4 Re3 38.Re3 Ne3 39.Bc5 Nc4 40.b6 ab6 41.ab6 Ne5 42.Bd4 Nd7 43.Kf2 Nf6 44.Bf3 Kg8 45.g4 h6 46.Ke3 Kf7 47.Kf4 Rd8 48.Ke5 Nd7 49.Ke4 Nf6 50.Kd3 Rb8 51.Kc4 Ke7 52.Kb5 g6 53.Nd5 Nd5 54.Bd5 h5 55.g5 Kd6 56.Bf7 h4 57.Bc5 Ke5+/– 58.Be7 h3 59.Bf6 Kd6? 60.Bg6+– h2 61.Be4 Re8? 62.Bb7 Re1 63.g6 h1Q 64.Bh1 Rh1 65.g7 Rg1 66.b7 Kc7 67.Ka6 (67…Rg6 68.Ka7+–) 1–0. Lauermann,Answarth – Hankel,Dennis, Baunatal op 2nd, 1996.

7.c4 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 Bd6 5.c4 Nbd7 6.Nf3 0–0 7.Be2).

7.Ng5 h6 8.h4! hg5 9.hg5 Nh7 10.Bd3 g6 (10...Re8 11.Rh7 Kf8 12.Rg7 Ke7 13.Qh5 Rf8 14.Bf6 Nf6 15.gf6 Kd7 16.Rf7+–; 10...f6 11.Qh5; 10...f5 11.Qh5) 11.Rh7 Kh7 (11...Be5 12.Qg4 (12.Nc3 Kh7 13.Qh5 Kg7 14.Qh6; 12.Bg6 fg6 13.Rd7 Bd7 14.Be5; 12.Rh3 Qg5 13.Be5 Ne5 14.Rg3) 12...Bb2 (12...Kh7 13.Qh4) 13.Qh4 Ba1 14.c3) 12.Qh5 1–0. Grehl – Stegmann, corr 1989.

6.Be2 a6

7.a4 0–0 8.0–0 Re8 (8...ab5 9.ab5 Ra1 10.Ba1+=) 9.d4= ab5 10.ab5 Ra1 11.Ba1 c5 12.bc6 bc6 13.c4 Qa5 (13...Ba6 14.Nbd2=) 14.Bc3 Qa2 15.c5 Bc7 16.Nbd2 Ba6 17.Ba6 Qa6 18.Qc2 Ra8 19.Ra1 Qc8 20.Ra4 Ra4 21.Qa4 Ne4 (21...Qb7!?=) 22.Ne4+= de4 23.Nd2 (23.Ng5 Qb8 24.g3 Qb7+/–) 23...Nf6 (23...f5!?+=) 24.Qc2+/– Qb7 25.g3 h5 (25...Nd5 26.Ne4 Qb5 27.Nd6+/–) 26.Ne4 Ne4 27.Qe4 Bd8 28.h4 Bf6 29.Ba5 Qd7 30.Kg2 Qa7 31.Bb6 Qd7 32.Qf3 e5 (32...Qd5!?+–) 33.de5 Be5 34.Qh5 Bf6 35.Qf3 Be7 36.Qe4 Bf8 (36...Kf8 37.h5+–) 37.Qe5 f6 38.Qd4 Qf5 39.e4 Qe6 40.Bc7 (40.f3 g6+–) 40...Kf7 41.e5 (41.h5 Be7+–) 41...Be7 42.Bd6 fe5 43.Be5 Kg8 (43...g6 44.Bd6+–) 44.Bg7 Bc5 45.Qc5 Kg7 46.Qg5 (46.Kf3 Qb3 47.Kf4 Qf7 48.Ke4 Qa2+–) 46...Kh8 (46...Kh7 47.f4+–) 47.Kh2 (47.f4 Kh7+–) 47...Qe4 (47...Qd6 48.Qf4 Qf4 49.gf4+–) 48.h5 Qf3 49.Qc5 Kh7 50.Kg1 Qe4 (50...Kh6 51.Qe5+–) 51.Qe3 (51.f4 Qe6+–) 51...Qd5 52.Qe8 Qd1 (52...c5 53.Qg6 Kh8 54.f4 Qd4 55.Kf1 Qd1 56.Kg2+–) 53.Kh2 (53.Kg2 Qd5 54.f3 Qd6+–) 53...Qf3 54.Kg1 Qd1 55.Kg2 Qd5 56.f3 Qd2 (56...Qd6 57.Qf7 Kh8 58.f4+–) 57.Kh3 Qc3 58.Qd7 (58.Qf7 Kh8+–) 58...Kh8 (58...Kg8 59.f4+–) 59.h6 (59.Qd8 Kg7 60.Qe7 Kg8+–) 59...c5 (59...Qf6 60.Qe8 Kh7 61.Qe3+–) 60.Qg7! Qg7 61.hg7 Kg7 62.Kg4 Kf6 63.Kf4 Ke6 64.Ke4 Kd6 65.Kd3 Kd5 66.g4 Ke5 67.Kc4 Kd6 68.f4 Kc6 69.g5 Kd6 70.f5 Ke5 If Black now would get g6 in, he might survive 71.f6 Kd6 72.g6 Ke6 73.g7 Kf7 74.Kc5 Kg8 75.Kd6 Kf7 76.Ke5 Kg8 77.Ke6+– Kh7 78.Kf7 Kh6 79.g8Q Kh5 80.Qg3 1–0. Franke,Roland (2010) – Bolzoni,Victor_Angel (2205), Sibenik CRO, Euro Senior Team Ch, 2014.

7.Nc3 0–0 8.0–0 +=.

7.Nc3 ab5 8.Nb5= Be7 9.0–0 (9.Bd4 c6 10.Na7 Ra7 11.Ba7 c5–/+) 9...c6 (9...0–0 10.Bd4+=) 10.Nbd4= Nb6 (10...0–0 11.Nb3=) 11.Ne5 (11.Nb3 0–0=) 11...Ne4 (11...Na4 12.Bc1=) 12.d3 (12.f3 Nd6=) 12...Na4 13.de4 Nb2 14.Qb1 Na4 (14...Ba3 15.ed5 ed5 16.Ndf3+=) 15.ed5 ed5 16.c4 Nc3 17.Qd3 (17.Qc2 Ne2 18.Qe2 Bf6+=) 17...Ne2 18.Qe2 Bf6 19.f4 0–0 20.Rad1 (20.Ndf3 dc4 21.Qc4 Be6+=) 20...Be5 (20...Qa5 21.a3–/+) 21.fe5 Qa5 22.Rf2 h6 (22...Be6 23.cd5 Bd5 24.Qb2+=) 23.Nb3 Qa6 24.Rd4 dc4 25.Qc4 (25.Nc5 Qb5 26.Qc4 Qc4 27.Rc4 Re8–/+) 25...Qc4 26.Rc4 Re8 27.Rd4 (27.Rc5 Be6–/+) 27...Be6 (27...Kf8 28.Rdf4 Be6 29.h4–/+) 28.h3 (28.e4 Bb3 29.ab3 Re5–/+) 28...b5 29.Rd6 Bc4 (29...Bb3 30.ab3 Re5 31.Rc6 Re3 32.b4–/+) 30.Rc6 Re5 31.Nd4 (31.Rb2 Kh7–/+) 31...Re3 (31...Ba2 32.Rb2–/+) 32.Rc5 Re1 33.Kh2 Rb1 34.Rc2 Ra3 35.Rc8 (better is 35.Ne2!?–/+) 35...Kh7–+ 36.Rc5 Rd3 37.Ne2 Rf1 (37...Rd7 38.Nc3 Rb4 39.Re5–/+) 38.Nc3 Ra1 39.h4 Rd4 (39...Re3 40.Nb5 Ba2 41.h5–/+) 40.Nb5 Bb5 (40...Bb5 41.Rb5 Rh4 42.Kg3 Ra4–/+; worse is 40...Rh4 41.Kg3 Bb5 42.Kh4+/–) 0–1. marekt – kyllion, gameknot.com, 2016.

6.Be2 c5

7.c4 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0).

7.bc6 bc6 8.0–0 e5 =+. Bardeleben, 1914.

6.Be2 e5

7.0–0 0–0 8.c4 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.Nf3 Bd6 6.c4 Nbd7 7.Be2 0–0 8.0–0 e5).

7.0–0 0–0 8.d4 e4 9.Nfd2 Ne8 10.c4 c6 11.cd5 cd5 12.Nc3 Nc7 13.f3 Qh4 14.f4 b6 15.a4 Nf6 16.Ba3 Rd8 17.Bd6 Rd6 18.Qe1 Qh6 19.Rc1 Nce8 20.Qg3 Bf5 21.h3 g6 22.Qh2 Qh4 23.g4 Bc8 24.Kg2 Nd7 25.Qg3 Qg3 26.Kg3 Bb7 27.Na2 Nb8 28.Nb4 a5 29.ba6 Ba6 30.Ba6 Na6 31.Na6 Ra6 32.Rc8 Kf8 33.Ra1 Ke7 34.Nb3 Kd7 35.Rcc1 Ra8 36.h4 h5 37.a5 ba5 38.Na5 Rb8 39.Rab1 Rdb6 40.Rb6 Rb6 41.Rc5 Nc7 42.f5 gf5 43.g5 Kd6 44.Rc3 Ne6 45.Nb3 Rb4 46.Nc1 0–1. Roczniak – Juszczyk, PL.

7.0–0 e4 8.Nd4 c6 9.a4 c5 10.Nb3 Qc7 11.c4? (better is 11.h3!?=) 11...Bh2–/+ 12.Kh1 Bd6 13.Nc3 (13.cd5!? Nd5 14.Bg7–/+) 13...Qd8 14.Nd5? (better is 14.cd5 Nd5! 15.f4 ef3 16.Rf3 Nc3 17.Bc3–/+) 14...Nd5 15.cd5 (15.Kg1 Nb4 16.d4 ed3 17.Bd3–+) 15...Qh4 16.Kg1 Qh2 0–1. popovicigelu – crater, kurnik, 2013.

7.0–0 e4 8.Nd4= Ne5 9.f4 ef3 10.Nf3 Nfg4 11.Ne5 Ne5 12.Nc3 Qh4 13.Qe1 Qh6=+ 14.Qf2 c6 15.bc6+= bc6 16.Nd5 Be6 17.Nf4+/– 0–0 18.Be5 Be5 19.d4 Bf4 20.ef4 Bf5 21.c3 Rab8 22.Bc4 Qd6 23.Rae1 Rfe8 24.Re5 Be6 25.Qe2 Kf8 26.Re1 Bd7 27.Qh5 Qg6 28.Re8 Re8 29.Qc5 Kg8 30.Re8 Be8 31.Qe7 Qb1 32.Kf2 Qb8 33.Kf3 g6 34.Bd3 a5 35.a3 Qc8 36.Bc4 h5 37.Qf6 Qg4 38.Kf2 Kf8 39.Be2 Qc8 40.Qh8 Ke7 41.Qe5 Kf8 42.Qa5 Bd7 43.Qc5 Kg8 44.d5 Qe8 45.d6 Qe4 46.Qe5 Qc2 47.Kg3 Qc1 48.Kh4 Qa3 49.Kg5 Kh7 50.Kf6 Qb3 51.Bh5! Kg8 52.Bf3 Qc4 53.Ke7 (53.Ke7 Be6 54.d7 Bd7 55.Kd7+–) 1–0. Johansson,Roland – Bohm,Bertil, corr SSKK, 1987.

7.0–0 Qe7 8.c4 c6 9.a4 e4 10.Nd4? (10.bc6 bc6 11.Nd4 Qe5+=) 10...Ne5?? (better is 10...Qe5 11.g3 c5–+) 11.f4 Nc4 12.Bc4 dc4 13.bc6 0–0 14.cb7 Bb7 (14...Qb7!? 15.Qc2 Rd8=) 15.Nf5+/– Qe6 16.Nd6 Qd6 17.Bf6 (better is 17.Ba3 Qd3 18.Bf8 Rf8 19.Ra3+/–) 17...Qf6+= 18.Nc3 Rad8 19.Qe2 Rd3 20.Rab1 Bc6 21.Rfd1 Rfd8 22.Rb4? Qc3!–+ 23.dc3 Rd1 24.Kf2 R1d2 25.Qd2 Rd2 26.Ke1 Rd8 27.Rc4 Bb7 28.Rc7 Rb8 29.c4 h5 30.c5 Kf8 31.c6 Ba6 32.Ra7 Bc8 33.c7 Rb7 34.Rb7 Bb7 35.a5 Ke7 36.a6? Ba6 37.h3 Kd6 38.g4 Kc7 39.gh5 Kd6 40.Kf2 Bc8 41.Kg3 Kd5 42.h6 gh6 43.Kh4 Kc4 44.Kh5 Bh3 45.Kh6 Kd3 46.Kg7 f5 0–1. popovicigelu – krokodyl51 (1760), kurnik, 2013.

7.d3 c6 8.bc6 (8.Nc3 0–0 9.0–0 Qc7+=) 8...bc6+= 9.Nbd2 Rb8 10.Qc1 (10.Rb1 0–0+=) 10...Qc7 (10...0–0 11.0–0–/+) 11.0–0 0–0 12.h3 e4 (12...Nc5 13.d4 ed4 14.Bd4–/+) 13.de4+= de4 14.Nd4 Ne5 15.c4 (15.Rd1+=) 15...Ba6 (better is 15...Nd3!? 16.Bd3 ed3+=) 16.Qc2 Qb7 (better is 16...Nd3 17.Bc3 Bb7=) 17.Rab1+/– Qd7 18.Rfc1 (18.Ne4 Ne4 19.Qe4 f5+–) 18...c5 (18...Nd3 19.Ne4 A) 19...Ne4? 20.Bd3 (20.Qd3?! f5+/–) 20...Nf6 21.Nf5+–; B) 19...Nc1 20.Nf6 gf6 21.Rc1 c5+=) 19.N4b3 (19.Nb5 Bb7+/–) 19...Nd3 (better is 19...Rfe8=) 20.Rd1 (better is 20.Bf6 Nc1 21.Rc1 gf6 22.Ne4+=) 20...Qf5?? (better is 20...Nb2 21.Rb2 Qe7–/+) 21.Ne4+– Nb2 (21...Ne4?? 22.Bd3 Qf2 23.Qf2 Nf2 24.Kf2+–) 22.Nf6 (22.Rd6 Ne4 23.Bg4 Qg4 24.hg4 Nd6 25.Qb2 (worse is 25.Rb2 Nc4 26.Qd3 Nb2 27.Qa6 c4+=; 25.Nc5?! Ndc4 26.Na6 Rb6+–) 25...Nc4 26.Qc3+–) 22...Qf6+= 23.Qb2 Be5 (23...Qg6 24.Bh5 Qe6 25.Qc2+=) 24.Qa3+/– Bb7 (24...Bd6 25.Nd2 (25.Qa6? Bh2 26.Kh2 Qa6–+) 25...Bb7 26.Bf3 Bf3 27.Nf3 Rb1 28.Rb1+/–) 25.Qc5 (25.Nc5 Bd6 26.Qa5 Bc6 27.Rb8 Rb8+–) 25...Be4 (25...Qg5 26.g3 Be4 27.Bd3 Bd3 28.Rd3+/–) 26.Bd3 Bd3 27.Rd3 Qf5 (better is 27...Rfc8!? 28.Qd5 Rd8+–) 28.Qd5+– a5?? (28...g6 29.Rbd1+–) 29.Rbd1 (better is 29.f4 a4 30.Nd2 Rb1 31.Nb1 g6 32.fe5 Re8+–) 29...a4 (29...g6+–) 30.Nd4 (better is 30.Nc5 g6 31.Nd7+–) 30...Qd3!!–+ 31.Nc6 Qd5 32.cd5 Bd6 33.e4 f6 34.g4 Rb2 35.a3 Re2 36.Rd4 Re8 37.f3 Bc5 38.Kf1 Bd4 39.Ke2 Bc5 40.Kd3 Ba3 41.Kc4 Bd6 42.Nd4 a3 43.Kb3 Rb8 44.Ka2 Rb2 45.Ka1 Be5 46.Nc6 Bc3 0–1. Solari,Pablo – Nakle,Gonzalo, 40th Aniversario Los Trebejos, 2012. (=1.Nf3 Nf6 2.b4 d5 3.e3 e6 4.b5 Bd6 5.Bb2 Nbd7 6.Be2 e5)

5.Nf3 Qe7

6.a4 h6 7.Na3 0–0 8.c4 Bb4 9.Qb3 Bc5 10.Nc2 Bd7 11.d4 Bd6 12.c5 Ne4 13.cd6 Qd6 14.Ba3 Qb6 15.Bf8 Kf8 16.a5 Qd6 17.Ne5 c6 18.b6 ab6 19.Qb6 Na6 20.Ba6 ba6 21.Qb7 Rb8 22.Qd7 1–0. ateistawolnyx – kijka6, kurnik, 2014.

6.c4 Nbd7 7.Be2 0–0 8.0–0 b6 9.d4 Bb7 10.a4 dc4 11.Nbd2 c3 12.Bc3 Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Bf3 Bf3 16.Qf3 e5 17.d5 f5 18.Nc4 e4 19.Qe2 Nc5 20.a5 f4 21.ef4 Bf4 22.Bb4 Rfe8 23.g3 Bd6 24.Nd6 cd6 25.ab6 ab6 26.Bc5 dc5 27.Ra6 Rad8 28.Rb6 Rd5 29.Qc4 Qf7 30.Rc6 Rf5 31.Qf7 Kf7 32.Rb1 Rb8 33.b6 Rf6 34.Rc7 Kg6 35.b7 Rf7 36.Rb6 Rf6 37.Rb5 Rff8 38.Rbc5 1–0. Franke – Dannhauer, DDR.

6.d4 0–0 7.Nbd2 c6 8.a4 cb5 9.ab5 b6 10.c4 dc4 11.Nc4 Bd7?? (11...Bb4 12.Nfd2 Bb7 13.Ba3=) 12.Be2?? (better is 12.Nd6 Qd6 13.Ba3+–) 12...Bb4= (worse is 12...Bb5 13.Nb6 ab6 14.Ra8+/– (14.Bb5?! Ra1 15.Qa1 Bh2+=)) 13.Ncd2 Bc8 14.0–0 Bb7 15.Rc1 Nbd7 16.Bd3 Bd2 17.Nd2+= Nd5 18.e4 Nb4? 19.Bb1 Qg5 20.f3 Qb5+= 21.Rc4 Rac8 22.Qe2? Rc4 23.Qc4–/+ Qc4 24.Nc4 Rc8 25.Nd6= Rc7 26.Nb7 Rb7+= 27.Ba3 a5 28.Rd1 Nf6 29.Kf2 h6 30.Ke3 Nc6 31.Ba2 Ne7 32.e5 Nfd5–/+ 33.Bd5 Nd5–+ 34.Ke4?? Nc3 35.Kf4 Nd1 36.Bd6 b5 37.Ke4 b4 38.g4 b3 39.f4 b2 40.f5 b1Q 41.Kf4 ef5 42.gf5 Rb3 43.f6 Qg6 44.fg7 Kg7 45.h4 Qg3 46.Ke4 Qf3# 0–1. captainevans – velekinca, kurnik, 2013.

6.d4 Ne4 7.Bd3= Nd7 8.0–0 0–0 9.c4 c5 10.Ne5 f6 11.Nd7 Bd7 12.f3 Ng5 13.Nd2 cd4 14.ed4 dc4 15.Bc4 Bf4 16.Ne4 f5 17.Nc5+= Rf6 18.Nd7 Qd7+= 19.Qe2 Rh6 20.g3 Nh3 21.Kg2 Qd6 22.Bc1 Bc1+= 23.Rac1 f4 24.Qe5+/– Qd7 25.Rfe1 fg3 26.hg3 (26.Be6? Re6 27.Qe6 Qe6 28.Re6 Nf4 29.Kg3 Ne6–+) 1–0. Boe – David, Gausdal, 1997.

6.Be2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bd7 10.0–0 0–0 11.c4 b6 12.Nc3 Ne4 (12...dc4 13.Bc4 e5 14.d4=) 13.Ne4 (13.cd5!? Nc3 14.dc3 ed5 15.Qd5+/–) 13...de4= 14.Nd4 f5 15.Qb3 Bc5 16.Kh1 e5 17.Nc2 Bd6?? (17...c6 18.Bb2=) 18.g3?? (18.c5 Be6 19.cd6 cd6+– (worse is 19...Bb3 20.de7 Re8 21.Nb4+–)) 18...g6?? (18...Be6 19.f4 Nd7 20.fe5 Be5 21.Be5 Ne5 22.Nd4=) 19.Qc3?? Qe6?? 20.c5!+– Qf6 21.cd6 cd6 22.Bc4 Kg7 23.Nb4 h5 24.Nd5 Qe7 25.Ne7 1–0. surmavlod – enkej, kurnik, 2013.

6.Bf6 Qf6 7.d4 Bd7 8.Be2 g5 (8...a6 9.ba6 Na6 10.Nbd2+=) 9.h3 h5 10.Nbd2 (10.c4=) 10...Qg6 (10...g4!? 11.Ng1 g3+=) 11.Bd3 (11.c4 c6+=) 11...f5 Black plans g4 (11...Qg7 12.c4 g4 13.Ng1 gh3 14.gh3 dc4 15.Be4=) 12.Ne5 (12.c4!?+=) 12...Be5= 13.de5 g4 (better is 13...Qg7!?=) 14.hg4+/– Qg4 15.Qg4 fg4 (15...hg4?? 16.Rh8 Kf7 17.Ke2+–) 16.Rh5 Rh5 17.Bg6 Ke7 18.Bh5 Bb5 19.Bg4 Nc6 20.f4 d4 (20...Nb4 21.Kf2 Rg8 22.Bd1+/–) 21.ed4 Nd4 22.0–0–0 (22.Kf2!?+/–) 22...Be2 (22...Rg8 23.Bf3 Nf3 24.gf3 Rf8=) 23.Be2 (better is 23.Rh1 Rf8 24.Rh7 Kd8 25.Bh3 Rf4 26.g3+=) 23...Ne2–/+ 24.Kb2 Nf4 (24...Rd8 25.c4–/+) 25.g4 (25.g3!? Ng6 26.Nf3=) 25...Rd8+= 26.c3 Ng6 27.Kc2 Ne5 28.Rg1?? (28.g5 Rh8 29.Re1 Ng6–/+) 28...Rg8 (better is 28...Rd2 29.Kd2 Nf3 30.Ke3 Ng1–+) 29.g5–/+ Rg6 30.Ne4 Nf3 31.Rg3 Nh4 32.Kd3 Nf5 33.Rg2 b5 34.c4 (34.Rb2!? a6 35.Rh2–/+) 34...bc4–+ 35.Kc3 Nd6 36.Nd2 (36.Nd6 Kd6 37.Kc4 Ke5–/+) 36...Kd7 (better is 36...e5!?–+) 37.Kd4 Kc6 38.Nc4 Nc4 39.Kc4 Kd6 40.Kd4 e5 41.Ke4 c5 (better is 41...Ke6!?–/+) 42.Kf5= Rg8 43.g6 c4 (43...Rf8 44.Kg5 Rg8 45.Kh6+/–) 44.Rd2 Kc5 45.Ke5?? (better is 45.Kf6=) 45...Rg6–+ 46.Rd7 Ra6 47.Rc7 Kb4 48.Kd4–/+ Ra2 49.Rc4 Kb3 50.Rc3 Kb2 51.Rc7 a5 52.Kc4 a4 53.Kb4 a3 54.Rf7 Ra1?? 55.Rf2+– Kc1 56.Rf1 Kb2= 57.Ra1 Ka1 58.Ka3 ½–½. bluepiramid2 (1685) – julianas, kurnik, 2013. (=1.e3 d5 2.b4 e6 3.Bb2 Nf6 4.b5 Bd6 5.Nf3 Qe7)

6.c4 dc4

7.Bc4 0–0 8.0–0 c6 9.a4 Nbd7 10.h3 c5 11.d4 b6 12.Nbd2 Bb7 13.Re1 h6 (13...cd4!? 14.Nd4 Rac8=) 14.e4+= Bf4 15.e5 Ne8 16.Ne4 f6? (16...Rd8!? 17.Qc2 cd4 18.Bd4 Rc8+=) 17.Nd6!+/– Nd6? (better is 17...Bf3 18.Qf3 fe5+/–) 18.ed6+– Qd6 (18...Qe8 19.Be6 Kh8+–) 19.Re6 (19.Be6 Kh8 20.Nh4 Bh2 21.Kh1 Rfe8 22.Ng6 Kh7+–) 19...Qc7 20.Rc6 Kh8 21.Rc7 Bc7 22.dc5 (better is 22.Nh4 Be4 23.Qg4 f5 24.Ng6 Kh7 25.Nf8 Rf8+–) 22...Nc5 23.Nh4 Kh7 (23...Be4 24.Qg4+–) 24.Qc2 (24.Qg4 Be4 25.Re1 Rfd8 26.Re4 Rd1 27.Qd1 Kh8+–) 24...Be4 25.Qe2 Rfe8 26.Qg4 Rad8 (26...Kh8+–) 27.f3 Bc2 28.Bf7 (28.Rc1!? Rd2 29.Bc3 Rd6 30.Rc2 Kh8+–) 28...g5 (28...Rf8 29.Bg6 Bg6 30.Qg6 Kh8 31.Re1+–) 29.Be8 Re8 30.Nf5 (better is 30.Bf6 Rf8 31.Re1 Bd6+–) 30...Re5 (30...Kg6 31.Ng3 Bg3 32.Qg3 Ba4 33.Qd6+–) 31.Ng3 (better is 31.Qh5 Rf5 32.Qf7 Kh8 33.Qc7 Kg8+–) 31...Nd3 (31...f5 32.Qh5 Re7+–) 32.Be5 Ne5 33.Qc8 Bd6 34.Qb7 Kg8 35.Ne4 Be4 36.Qe4 Kf7 37.Rc1 Bc5 38.Kh1 Kg7 39.Qb7 Kg6 40.Qa7 Kf5 41.Qb7 (41.Qh7!? Ke6 42.a5 Be3 43.Qg8 Kf5 44.Qc8 Kf4+–) 41...Kg6 42.Qe4 Kh5 43.Rc5! bc5 44.b6 Nd7 45.b7 f5 46.Qc6 Ne5 47.Qc5 Nd3 48.Qc8 Nf2 49.Kg1 Nd3 50.b8Q Ne5 51.Qf8 Ng6 52.Qf7 g4 53.hg4 Kh4 54.gf5 h5 55.Qb4 Kg5 (55...Kg5 56.Qg6) 0–1. elektrooon – kijka6, kurnik, 2012.

7.Bc4 Bd7 8.0–0 0–0 9.a4 b6 10.Bf6 Qf6 11.d4 a6 12.Nbd2 ab5 13.ab5 Ra1 14.Qa1 c6 15.Ne4 Qe7 16.Nd6 Qd6 17.Qb2 cb5 18.Bb5 Bb5 19.Qb5 Qc6 20.Qc6 Nc6 21.Rb1 Rb8 22.Kf1 b5 23.Ke2 f6 24.Kd3 Kf7 25.Nd2 e5 26.d5 Ne7 27.e4 f5 28.f3 fe4 29.fe4 Kf6 (29...Ng6 30.Kc3 Ke7 31.Kb4+/–) 30.Kc3 Kg5 31.Kb4 Kf4 32.Rf1 (better is 32.Rb3+–) 32...Ke3+= 33.Rf7 Nd5 34.ed5 Kd2 35.Rg7 (better is 35.Re7 Rd8 36.Re5+=) 35...e4–/+ 36.Rh7 e3 37.Re7 e2 38.g4 Rd8 39.Kb5 Rd5 40.Kc6 Rg5 (40...Rd3 41.Re2 Ke2 42.g5–+) 41.h3 e1Q 42.Re1 Ke1 43.Kd6 (43.Kd7 Kf2 44.Ke7–+) 43...Kf2 44.Ke6 Kg3 45.Kf6 Rg8 (45...Kh4!? 46.Ke6–+) 46.g5?? (46.Kf7 Rb8 47.g5 Kh4–/+ (47...Kh3?! 48.g6=)) 46...Kh3 (better is 46...Kh4–+) 47.g6= Kh4 48.g7 Kh5 49.Kf7 Rd8 50.g8Q Rg8 51.Kg8 ½–½. bluepiramid2 – toosoo, kurnik, 2013.

7.Bc4 e5 8.d3 0–0 9.Nbd2 Bf5 10.e4 Bg4 11.h3 Bf3 12.Nf3 Bb4 13.Kf1 Nbd7 14.g3 Bd6 15.Bc3 Bb4 16.Qb3 Bc3 17.Qc3 Rac8 18.Kg2 Ne8 19.a4 Nd6 20.Bd5 Kh8 21.g4 Rfe8 22.Rhe1 c6 23.bc6 bc6 24.Bc4 Nf8 25.Ba6 Rc7 26.Rac1 Ng6 27.Kg3 h5 28.gh5 Nf4 29.d4 ed4 30.Qd4 Ne4 31.Kf4 f5 32.h6 Qe6 33.Re4 Qh6 34.Kg3 fe4 35.Re1 Qg6 36.Kh2 c5 37.Qc4 Qf5 38.Re3 Qf4 39.Kh1 Qf5 40.Ng1 Re6 1–0. Bulcourf – Fernandez Murga, Buenos Aires 1992.

6.Be2 Nbd7

7.d4 a5 8.a4 0–0 9.Nbd2 Re8 10.0–0 h6 11.c4 c6 12.c5 Bb8 13.b6 e5 14.de5 Ne5 15.Ne5 Be5 16.Be5 Qe5 17.Nf3 Qe7 18.Qc2 Ne4 19.Rfd1 (19.Rac1 Bg4=) 19...Qf6 (better is 19...Qc5!? 20.Qc5 Nc5–/+) 20.Rac1= Bg4 21.h3 Bf5 22.Bd3 (better is 22.Qb3!?=) 22...Bh3!–/+ 23.gh3? (better is 23.Nd4 Qg5 24.Bf1–/+) 23...Qf3–+ 24.Be4 de4 (24...Re4!? 25.Rd4 Rae8 26.Qd1 Qh3 27.Qf1 Qg4 28.Qg2 Rd4 29.ed4–+) 25.Rd4 (25.Kh2!?–/+) 25...Re5–+ (25...Qh3?! 26.Re4 Re4 27.Qe4–+) 26.Rcd1 (26.h4 Rae8–+) 26...Rg5 27.Kf1 Qh3 28.Ke2 Qf3 29.Kf1 Rh5 30.Ke1 Rh1 31.Kd2 Qf2 32.Kc3 Qe3 33.Kc4 Rd1 34.Qd1 Rf8 35.Qc2 f5 36.Rd7 f4 37.Qc3 (37.Qc3 Qc3 38.Kc3–+). mihai740609 – zdzichosz, kurnik, 2013.

7.d4 e5 8.0–0 e4 9.Nfd2 0–0 10.c4 c6 11.c5 Bc7 12.a4 Re8 13.Nb3 Nf8 14.N1d2 N6d7 15.Bc3 White prepares the advance a5 15...Qh4 16.g3 Qh6 17.Bg4 Nf6 18.Bc8 Rac8 19.a5 Qh3 20.f3 Re6 21.fe4? (better is 21.bc6!? bc6 22.Qe2+=) 21...Ng4 (21...Ne4?! 22.Ne4 de4 23.Be1 cb5 24.Qe2–/+; 21...cb5?! 22.e5 Ng4 23.Qe2=) 22.Qe2 de4 (better is 22...Bg3!? 23.Nf3 Rh6 24.bc6 Bh2 25.Nh2 Nh2–+) 23.Rae1 g6?? (23...cb5 24.d5 Rh6 25.Ne4 A) 25...Qh2?! 26.Qh2 Nh2 27.Rf5=; B) 25...Nh2? 26.Rf7 Rg6 27.Rc7 (27.Qh2 Qh2 28.Kh2 Kf7+=) 27...Rc7 28.Qh2+–; C) 25...Rh5–/+) 24.b6 f5? (better is 24...ab6 25.ab6 Bb8+/–) 25.bc7+– Rc7 26.Rf4 a6 27.Nf1 (27.Nc4!? Nd7+–) 27...Nd7 (better is 27...Rf7+–) 28.Qc4 Kf7 29.d5 cd5 30.Qd5 Ndf6 (30...Ke7 31.Nd4 Rf6 32.Bb4+–) 31.Qc4 Ke7 32.Rd1 Nh5 (32...Qh6+–) 33.Nd4 Nf4 34.ef4 Rf6 35.c6! bc6 (35...bc6 36.Bb4 Double attack (36.Qa6 Deflection; 36.Bb4 Decoy)) 36.Qc5 (better is 36.Bb4 c5 37.Bc5 Rc5 38.Qc5 Kf7 39.Qc7 Kg8 40.Ne6+–) 36...Ke8 37.Qb6 Rd7 38.Qb8 Rd8 39.Qb7 Rfd6?? (better is 39...Rd7 40.Qb4 Rfd6 41.Qb8 Rd8+/–) 40.Qa6?? (40.Nc6 R8d7 41.Qb3 Qh2 42.Nh2 Rd1 43.Nf1+–) 40...Nh2!–/+ 41.Nh2?? Qg3–+ 42.Kh1 Qc3 0–1. popovicigelu – marcelfm, kurnik, 2012.

6.Be2 Bd7

7.a4 c6 8.c4 cb5 9.ab5 dc4 10.Bc4 0–0 11.0–0 a6 12.d4 ab5 13.Ra8 bc4 14.Nbd2 Bb5 15.Ra5 Qd7 16.Qc2 Rc8 17.Ne4 Ne4 18.Qe4 b6 19.Raa1 c3 20.Ba3 Bf1 21.Rf1 c2 22.Bc1 Nc6 23.Nd2 Nb4 24.f4 f5 25.Qf3 Nd3 26.Qe2 Nc1 27.Rc1 Ba3 28.Nb3 Bc1 29.Nc1 Qa7 30.Kf2 Qa1 31.Qd2 Qc3 32.Qc3 Rc3 33.Ke2 b5 34.Kd2 b4 35.Na2 Rc4 36.Nc1 Kf7 37.Kd3 Rc3 38.Kd2 Ke7 39.Na2 Rc4 40.Nc1 Kd6 41.Nb3 Kd5 42.Nc1 Rc3 43.Na2 Rc4 44.Nc1 Kc6 45.Kd3 Rc3 46.Kd2 Kb5 47.Na2 Rc4 48.Nc1 Ka4 49.Kd3 Rc3 50.Kd2 Ka3 51.Nd3 Rd3 52.Kc2 Re3 0–1. mihai740609 – dagaca, kurnik, 2014.

7.a4 c6 8.c4 dc4 9.Bc4 cb5 10.ab5 0–0 11.0–0 a6 12.Nc3 ab5 (12...e5!?=) 13.Ra8+= bc4 14.Ra1 (14.d3!? b5 15.dc4 bc4 16.Qa1+=) 14...b5= 15.Nd4 b4 16.Nce2 Be5 (better is 16...e5!? 17.Nc2 Nc6+=) 17.f4= Bc7 (17...Bd6 18.Qc2 Rc8 19.Nf3=) 18.Ng3 (18.Rc1!?+/–) 18...Nd5 19.Qg4 c3 20.dc3 (20.Bc1=) 20...bc3?? (better is 20...Ne3 21.Qf3 Nf1 22.Kf1 Qh4–+) 21.Ba3+/– Bd6 (21...Ne3? 22.Qf3 (22.Be7?! Ng4 23.Bf8 Kf8+/–) 22...Qf6 23.Qe3+–) 22.Bd6 Qd6 23.e4?? (better is 23.Ne4 Qe7 24.Qf3+=) 23...Ne3–+ 24.Qf3 Nf1 25.Qc3 (25.Nge2 Nd2 26.Qe3 e5 27.fe5 Qe5 28.Nc3 Nc4–+) 25...Ng3 26.hg3 Nc6 (26...e5!? 27.Ne2–+) 27.Nf3 h6 28.Qc2 Rc8 29.Rd1 Nd4 (better is 29...Qe7–+) 30.Rd4+= Qd4 31.Nd4 Rc2 32.Nc2 Bc6 33.e5 Kf8 34.Nd4 Bd5 35.Kf2 Ke7 36.g4 f6 37.g3 fe5 38.fe5 Kf7 39.Ke3 Kg6 40.Kf4 Ba2 41.Nb5 Bc4 42.Nd6 Bd5 43.Nc8 Kf7 44.g5 h5 45.Nd6 Ke7 46.g6 Bb3 47.Kg5 Bd1 48.Ne4 Bf3 49.Nf2 Kd7 50.Nh3 Kc6 51.Nf4 Bg4 52.Nh5? Bh5–+ 53.Kh5 Kd5 54.Kg5 Ke5 55.Kg4 Ke4 56.Kg5 e5 57.g4 Kd3 58.Kf5 e4 59.Ke6 e3 60.Kf7 e2 61.Kg7 e1Q 62.Kg8 Qe8 63.Kh7 Qe4 64.g5 Qf5 65.Kh6 Qh3 (65...Qh3 66.Kg7 Ke4–+) 0–1. avinoam – julianass, kurnik, 2013.

5.f4 0–0

6.Nf3 a5 7.a4 Re8 8.c4 Nbd7 9.Qc2 Qe7 10.d4 c5 11.Ne5 Nb6 12.Nd2 Nfd7 13.Bd3 Qh4 14.g3 Qh5 15.Be2 Qh6 16.Ng4 Qg6 17.Qg6 hg6 18.Ne5 Nf6 19.h4 dc4 20.Ndc4 Nc4 21.Bc4 Be5 22.fe5 Ne4 23.g4 b6 24.d5 Bb7 25.de6 fe6 26.Rd1 Nc3 27.Bc3 Bh1 28.Ke2 Be4 29.Rd6 Attacks the isolani on e6 29...Rab8 30.Be6 Kh7 31.Bf7 (31.Bf7 Re7 32.Bc4+=) 1–0. jura1946 – zdzichosz, kurnik, 2012.

6.Nf3 b6 7.Be2= Bb7 (7...a6 8.Nc3=) 8.0–0 c5 9.Qe1 (9.Nc3 a6=) 9...Nbd7 (9...a6 10.Qh4=) 10.Qh4 (10.Ne5 a6=) 10...Ne4 (10...a6 11.Nc3=) 11.Qh3 Be7 (11...a6 12.ba6 Ba6 13.d3=) 12.d3 (12.Nc3 Bf6=) 12...Nd6 13.d4 (13.Nc3 a6 14.ba6 Ra6+=) 13...Rc8 (13...c4 14.a4+=) 14.Ne5 (14.Nc3 c4=) 14...Ne5 (14...Nf6 15.dc5 bc5 16.c4=) 15.fe5 Ne4 16.Bd3 h6 (16...Ng5 17.Qh5=) 17.dc5 (17.Qg4 Bg5 18.Qe2 Qd7=) 17...Bc5+= 18.Bd4 Bb4 19.Rf4 Ba5 20.Na3 (20.Rg4 Kh8+=) 20...Qe7 21.Rg4 h5?? (better is 21...Ng5 22.Qh4 Rc7=) 22.Qh5+– Bb4 (22...g6 23.Qh6 Bb4 24.Be4 de4 25.Rg3+–) 23.Be4 de4 24.Rh4 (better is 24.Qh6! g6 25.Rg3 Qc7+–) 24...Qh4 25.Qh4 Ba3 26.Qg5 (better is 26.c3+–) 26...Rc2= 27.h4 Bd5 28.h5 Kh7 29.Rf1 Bc4 30.Rf4+/– Rc1 31.Kh2+– Bb5? 32.h6 (32.h6 g6 33.Qf6+– (33.Re4?! Rc7+=); 32.Re4?! Rfc8+=) 1–0. Smolenskiy,Yuriy Andreyevich – Hoenemann,Reiner, corr ICCF–Cup8 V111, 1990.

6.Nf3 Nfd7 7.Be2 (7.Nc3 Nf6=) 7...c6 8.a4 f6 9.0–0 e5 10.c4 a6 (10...ef4 11.cd5 cd5 12.Nc3+=) 11.cd5+/– cd5 (11...ab5 12.Nc3 ef4 13.ab5 Ra1 14.Qa1 fe3 15.de3+=) 12.Nc3 Nb6 13.Qb3 Be6 14.fe5 fe5 15.Ne4! Be7 (15...de4 16.Qe6 Double attack (16.Qe6 Pinning; 16.Qe6 Deflection)) 16.Ne5+– N8d7 17.Nd7 (17.ba6 ba6 18.Nc6 Qe8+–) 17...Qd7 (17...Nd7 18.Qc3 Nf6 19.Ng5+–) 18.Qc3 Rf1 19.Rf1 d4 20.Qd4 Qd4 21.Bd4 (21.ed4?! Na4 22.Ba1 ab5 23.Bb5 Ra5+=) 21...Nd5 22.Nc5 Bc5 23.Bc5 ab5 24.ab5 h6 25.e4 Nf6 26.Bf3 Bc4 27.Re1 Nd7 28.Bd6 Bb5 29.d4 White prepares e5 29...Ra4 30.d5 Nb6 (30...Bc4 31.e5+–) 31.e5 Nc4 32.Bc7 Nd2 33.Bh5 Rd4 34.d6 Nc4 35.Bf3 Kf8 (35...g5+–) 36.Bb7 Ke8 (36...g5 37.h3+–) 37.Bc8 1–0. Kucharkowski,Jens (2000) – Vollbrecht,Joerg (2090), CiF, 2005.

6.Nf3 Qe7 7.c4 dc4 8.Bc4 Nbd7 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 (12...Bf4 13.ef4 Qc5 14.Bd4 Qc4 15.Nc3+=) 13.Nc3 Nc5 (better is 13...Bf4!? 14.bc6 bc6 15.ef4 Qc5 16.d4 Qc4+=) 14.d4 Nce4 15.Ne5 Nc3 16.Bc3 Be5 17.fe5 (worse is 17.de5 Nd5 18.Qd2 Rd8=) 17...Ne4 18.Bb2 f5 19.Qb3 (better is 19.ef6!? Nf6 20.bc6 bc6 21.Qb3+/–) 19...Nd2 20.Qc3 Nf1 21.Ba3 Qg5 22.Kf1 (22.Bf8?? Ne3 23.g3 Nc4 24.Qc4 Kf8 25.bc6 Qe3 26.Kg2 Qe4 27.Kf2 Qc6 28.Qc6 bc6–+) 22...Re8 23.Kg1 h6 24.h3 Kh7 25.Bc1 f4?? (better is 25...Bd7 26.b6 c5–/+) 26.ef4+= Qf5?? (better is 26...Qh5+=) 27.Bd3+– (27.Bd3 Qd3 28.Qd3 Kh8 29.Qg6+–) 1–0. jura1946 – rafanadalheli, kurnik, 2013.

6.Nf3 a6

7.a4 ab5 8.ab5 Ra1 9.Ba1 c5 10.c4 b6 11.Bd3 Bb7 12.0–0 Nbd7 13.Qc2 Qe7 14.Ne5 dc4 15.Nc4 (< 15.Bc4 Be5 16.fe5 Ng4–/+) 15...Bc7 16.Nc3 h6 17.Be4 Ne4 18.Ne4 Ra8 19.Bb2 Ra2 20.Nc3 Ra7 21.Ra1 Ra1 22.Ba1 e5 23.g3 (Better is 23.fe5!? Qh4 24.Qd3–/+) 23...ef4–+ 24.gf4 Bf4 0–1. Hasler,Ueli – Rodriguez Perez,Rene, E–7–035 CiF, 2000.

7.a4 ab5 8.ab5 Ra1 9.Ba1 c6 10.c4 Nbd7 11.Be2 Qa5 12.Nc3 Nb6 13.cd5 cd5 14.0–0 Bd7 15.Ne5 Qb4 16.Qc2 Rc8 17.Rb1 Qa5 18.Qb3 Qa3 19.Qd1 Be5 20.fe5 Ne4 21.Ne4 de4 22.Bd4 Nc4 23.Ra1 Qb4 24.Bc4 Qc4 25.b6 Bb5 26.Bb2 Qd5 27.Qc2 Bd7 28.Qd1 Bb5 29.Qc2 Bd7 30.Qd1 g6 31.Rc1 Bc6 32.Bd4 Ra8 33.Ra1 Ra2 34.Ra2 ½–½. Sundin – COMP, Skelleftea 1989.

7.a4 b6 8.Be2 =.

7.a4 c6 8.Nc3 (8.Be2 ab5 9.ab5 Ra1 10.Ba1 cb5 11.Bb5 Bd7=) 8...Nbd7 (8...b6 9.Be2=) 9.Be2 e5 10.fe5 Ne5 11.0–0 Qc7 (11...Re8 12.Nd4+=) 12.h3 Nf3 13.Bf3 Re8 14.Ne2 (14.bc6 bc6 15.Rb1 Rb8+=) 14...Ne4 15.Bh5 Be6 16.d3 Be5 17.b6 (17.Bd4 Bd4 18.Nd4 Nf6+=) 17...Qb8 (17...Qb6 18.Be5 Qe3 19.Kh2+=) 18.Be5 (18.Bd4 Bd4 19.ed4 Nf6+=) 18...Qe5 19.de4 Qh5 20.ed5 Bd5 21.Nf4 Qg5 22.h4 Qe5 23.Nd5 cd5 24.Ra3 Rac8 (24...Qd6 25.Rc3+=) 25.Rd3 The isolani on d5 becomes a target 25...Rc5 26.Qg4 h6 27.Qf5 (27.Qd7 Re7 28.Qd8 Kh7–/+) 27...Qe6 (27...f6 28.Qe5 Re5 29.c3+=) 28.e4 Rc2 29.Qe6 fe6 30.h5 (30.Re1 de4 31.Rd7 Rf8 32.Rb7 Rff2–/+) 30...Rd8–/+ 31.ed5 Rd5 32.Rd5 ed5 33.Rf5 Rc6 34.Rd5 Rb6 35.Kf2 (35.Rd7 Rb2–/+) 35...Rb2 36.Kf3 b5 37.ab5 (37.Rd4 a5–/+) 37...ab5 38.Rd7 b4 (38...Kh7 39.g3–/+) 39.Rb7 b3 (39...Kh7 40.g3–/+) 40.g4 Kh7–/+ ½–½. Kucharkowski,Jens – Houdek,Vladimir, CiF, 2002.

7.a4 Re8 8.Be2 =.

7.Nc3 c6 8.a4 c5 =.

7.a4 Nbd7

8.Bd3 c5 9.0–0 +=.

8.Bd3 Nc5 9.Qe2 Bd7 (9...ab5 10.ab5 Ra1 11.Ba1=) 10.0–0 ab5 (10...Qe7 11.Nc3=) 11.ab5= Ra1 12.Ba1 Nd3 13.Qd3 Qe8 (13...Ne4 14.Nc3 Nc5 15.Qe2=) 14.Nc3 Qe7 15.Ne2 (15.Ng5 Rd8=) 15...Ne4 16.Ng3 (16.c4 Nc5 17.Qc2 dc4=) 16...Ng3+= 17.hg3 Ra8 18.Kf2 (18.g4 Qe8 19.Ng5 f5 (19...Bb5? 20.Qh7 Kf8 21.Qg7 Ke7 22.Rb1+–) 20.gf5 Bb5+=) 18...Ra3 (18...Qe8 19.Rh1 h6 20.b6–/+) 19.c3 (19.Bc3 Qe8 20.Rb1 Be7–/+) 19...c5 (19...Qe8 20.Rh1 h6 21.Rb1–+) 20.bc6 Bc6 (20...bc6 21.Rh1 h6 22.g4–/+) 21.Rh1 f5 (21...h6!?–/+) 22.g4= g6 (22...Qf6 23.gf5 Qf5 24.Qf5 ef5 25.Rb1=) 23.Qd4 (23.Bb2 Ra4 24.Ng5 Bf4 25.Nh7–/+) 23...fg4+= 24.Ng5?? (better is 24.Ne5 Qg7 25.Ng4+=) 24...e5–+ 25.Qd3 (25.Qd3 ef4 26.Bb2–+). Vermaas,F – Poulsen,R, IECG, 2004.

8.Bd3 Qe7 9.0–0= e5 10.Nh4 (10.fe5 Ne5 11.ba6 b6+= (worse is 11...Nd3 12.ab7 Bb7 13.cd3+=)) 10...Nc5 11.Bf5 (11.Nf5 Bf5 12.Bf5 ef4 13.ef4 Rfe8+=) 11...e4 12.Qe1 (12.Bc8 Rfc8 13.Nf5 Qe6 14.Nd6 Qd6+=) 12...Be6 13.Qg3 Ne8 (13...ab5 14.ab5 Ra1 15.Ba1+=) 14.Nc3 Qd7 15.Nd5 (15.Be6 Qe6 16.Ne2 Qd7=) 15...Qd8–/+ 16.Qh3 (better is 16.Be6 fe6 17.Nc3+=) 16...g6?? (16...Bd5 17.Bh7 Kh7 18.Ng6 Kg6 19.g4 Qh4 20.Qh4 ab5 21.Qh5) 17.Ng6 (17.Be6 fe6 18.Ng6 ed5 19.Nf8 Bf8 20.Qg3 Kf7+/–) 17...Bf5+= 18.Nge7 Be7 (18...Qe7 19.Ne7 Theme: Double Attack) 19.Qf5 f6 (19...Ne6 20.Qe5 Bf6 21.Nf6 Nf6 22.Qf6 Qf6 23.Bf6+–) 20.Ne7 Qe7 21.Ba3 Ng7 22.Qd5 Rf7 23.Bc5 Rd8 24.Qc4 Qe6 25.Qe6 Ne6 26.Bb4 f5 27.ba6 ba6 28.Rfb1 Rfd7 29.Bc3 Kf7 30.Rb4 h5 31.Rab1 h4 32.a5 Rd6 33.Rb7 Rc6 34.Kf1 Ke7 35.Ra7 Ke8 36.Ke2 Rd7 37.h3 Rd8 38.g3 hg3 39.Rg1 Rb8 40.Rg3 Kd7 41.h4 Rb1 42.Ra8 Rh1 43.Rh8 Rc1 44.Rgg8 Rc2 45.Be5 R6c5 46.Rh7 Kc6 47.Rg6 Kb7 48.Re6 (48.Re6 Ra5 49.Ree7+–) 1–0. Baumann,Heinz – Herrchen,Ralf, TT–17.35 ETC, 2005.

8.Be2 c5 =.

8.Be2 Qe7 9.0–0 c5 10.d4 ab5 11.ab5 Ra1 12.Ba1 cd4 13.Bd4 e5 14.fe5 Ne5 15.Ne5 Be5 16.Nc3 Re8 17.Bf3 The isolani on d5 becomes a target 17...Rd8 18.Be5 Qe5 19.Qd4 The pressure on the isolated pawn grows 19...Qd4 20.ed4 ½–½. AlexSh – ETC_Chess, playchess.de, 2004.

8.Be2 Qe8

9.0–0 e5

10.fe5 Be5 11.Ne5 Ne5 12.Ba3 +/–.

10.fe5 Ne5 11.Na3 Qe7 12.Ne5 (12.ba6 ba6 13.Ne5 Be5 14.Be5 Qe5=) 12...Be5 13.Be5 Qe5 14.c3 (14.a5 Be6=) 14...Bd7 (14...Ne4 15.Bd3=) 15.ba6 ba6 16.Bf3 (16.Nc2 c5=) 16...Rab8+= 17.Qe2 (17.a5 c5+=) 17...Qd6 18.Nc2 Bf5 (18...c5 19.c4 Bf5 20.Na3+=) 19.Qd1 (19.d3 Rb2+=) 19...c5 20.Be2 Bg6 21.Qc1 Rb3 (21...Ne4 22.Bf3–/+) 22.Na3 (22.Rb1 Rb1 23.Qb1 Rb8–/+) 22...Rfb8 23.Bd1 R3b7 24.Rf4 c4 25.Bc2 (25.Bf3 Qe6–/+) 25...Nd7 (25...Bc2 26.Nc2 Ne4 27.Nd4–/+) 26.Rd4 Nc5 27.Nc4 Qc7 (27...dc4 A pinning theme 28.Rd6) 28.Rd5 Bc2 29.Qc2 Nb3 30.Rb1 Qc4 31.Qd3 Qd3 (31...Qc7 32.Rf1–+) 32.Rd3–/+ Kf8 (32...Kf8 33.Rd5 Rc8–/+; 32...f5 33.Rd5–/+) 0–1. Kuni,R – Woelfelschneider,Peter, TSC, 2002.

10.fe5 Ne5 11.Na3 Nf3 12.Bf3 Be5 13.Be5 Qe5 =.

10.fe5 Ne5 11.Na3 Bg4 12.ba6 ba6 13.Be5 Be5 14.Ne5 Be2 15.Qe2 Qe5 16.Rab1 =.

10.fe5 Ne5 11.Bd4 c5 (11...Nf3 12.Bf3 Be5 13.Na3=) 12.bc6 bc6 13.Ne5 (13.Nc3 Nf3 14.Bf3 Ne4 15.Ne4 de4+=) 13...Be5 14.Nc3 (14.c3 Qe7=) 14...Bd4 15.ed4 Rb8 16.Qe1 Qd8 (16...Ne4 17.Bd3 f5 18.Be4 fe4 19.Rf8 Qf8 20.Qe3=) 17.Qh4 (17.Qf2 Re8=) 17...Rb4 (17...Rb2 18.Bd3 Ne4 19.Qd8 Rd8 20.Rab1 Rb1 21.Rb1 Nd2 22.Rb6+=) 18.Rf4 (18.Bd3 h6=) 18...Re8 19.Bd3 (19.Raf1 Qb6=) 19...h6 20.Raf1 (20.Re1 Rb2=) 20...Re6 (20...g5 21.Qh6 gf4 22.Qf4=) 21.Qf2= a5 (21...Qc7 22.Qf3=) 22.Bf5 (22.Rf3 Qc7=) 22...Re7 23.Bd3 Re8 24.Rf3 Bg4 (24...Be6 25.Rf4+=) 25.Rf4 (25.Rg3 Kh8+=) 25...Be6+= 26.Kh1 Rb2 27.Kg1 Rb4 (27...Qe7 28.Re1+=) 28.Be2 (28.Kh1 Qd6=) 28...Qb6 29.h3 (29.Re1 Bd7+=) 29...Rb8 30.Qe3 Nh7 31.Bd3 Ng5 32.h4 Nh7 33.g4 Qd8–/+ 34.Qg3 Nf6 35.Be2 Nh7 36.Bd3+= Nf6 37.Be2= ½–½. Ahrens,Gerhard (1965) – Hampe,Fritz (1995), CiF, 2006.

6.Nf3 c5

7.c4 a6 8.a4 Bd7 9.Nc3 b6 10.Qc2 a5 11.Ne5 Bc8 12.Bd3 Bb7 13.0–0 White prepares f5 13...h6 14.Ne2 Be7 15.f5 ef5 16.Bf5 Re8 (better is 16...Bd6!?+=) 17.Nf4+/– Bd6 18.d4 (better is 18.Bh7! Kf8 19.Nf7+–) 18...dc4 19.Nc4 Nd5 20.Bh7 Kh8 21.Nd5 Bd5 22.Nd6 Qd6 23.e4 Kh7 24.e5?? (better is 24.ed5 Kg8 25.dc5 Qc5 26.Qc5 bc5 27.Kf2+/–) 24...Qg6–+ 25.Qg6 Kg6 (25...fg6?! 26.dc5 bc5 27.Rfd1–+) 26.Rf4 (26.dc5 bc5 27.Rad1 Be6–+) 26...cd4 27.Bd4 Nd7 28.Ra3 Be6 29.Rg3 Kh7 30.Rc3 Rec8 31.Rc6 (31.Rff3–+) 31...Rc6 32.bc6 Nc5 33.Bc5 bc5 34.Rf1 Rc8 35.Rb1 Rc6 36.Rb5 c4 37.Ra5 c3 (37...c3 38.g3 c2 39.Kf2 c1Q 40.Rc5 Qc5 41.Kf1 Qe3 42.Kg2 Rc2 43.Kf1 Bc4) 0–1. jura1946 – rubcape, kurnik, 2012.

7.c4 Nbd7 8.a4 Qc7 9.Be2 e5 10.g3 (10.fe5 Ne5 11.Na3 (11.cd5 Nd5 12.Be5 Be5 13.Ne5 Qe5 14.Ra3 Bf5+=) 11...Neg4 12.Bf6 Nf6 13.cd5 Ng4 14.Qb1 f5=; 10.Be5 Ne5 11.fe5 (11.Ne5 Be5 12.fe5 Qe5 13.Ra3 dc4 14.0–0 Bf5+=) 11...Be5 12.Ne5 Qe5 13.Ra3 dc4 14.0–0 Bf5+=; 10.Ne5 Ne5 11.Be5 (11.fe5 Be5 12.Be5 Qe5 13.Ra3 dc4 14.0–0 Bf5+=) 11...Be5 12.fe5 Qe5 13.Ra3 dc4 14.0–0 Bf5+=; 10.0–0 ef4 11.cd5 fe3 (11...Re8 12.Na3 fe3 13.Nc4 ed2 14.Bd3 Bf4–/+) 12.de3 Ng4 13.Qd3 Bh2 14.Kh1 f5–/+) 10...b6 (10...e4 11.Nh4–/+ dc4 (11...a6 12.Nf5 dc4 13.Na3 Nb6 14.Nd6 Qd6+=; 11...Re8 12.cd5 Nd5 13.Qb3 N7f6 14.Bc4 Nb4+=) 12.Qc2 a6 13.Nc3 Re8 14.Nf5 Bf8+=) 11.d3 (11.fe5 Ne5 12.cd5 (12.Ne5 Be5–/+ 13.Be5 Qe5 14.Na3 Bh3+=) 12...Nd5 13.Nc3 Nc3 14.Bc3 Bh3+=; 11.a5 ba5 (11...e4 12.Ne5 ba5 13.Nd7 Nd7 14.Nc3 dc4=; 11...ef4 12.ab6 Qb6 13.gf4 d4 14.ed4 Bf4=) 12.fe5 Ne5 13.Ne5 Be5 14.Be5 Qe5+=) 11...Bb7 (11...ef4 12.ef4 d4 (12...Re8 13.0–0–/+ a6 14.ba6 d4–/+) 13.0–0 Bb7 14.Re1 Rfe8–/+; 11...Re8 12.0–0 ef4 13.ef4 d4 14.Ng5 Bb7–/+; 11...dc4 12.dc4 Re8 13.0–0 ef4 14.ef4 Bb7+=) 12.0–0 (12.fe5 Ne5 13.Ne5 Be5+= 14.d4 cd4–/+) 12...Rfe8 (12...ef4 13.ef4 d4 14.Bc1 (14.Re1–/+ Rfe8–/+ –0.97 ) 14...Rfe8–/+) 13.Qd2 (13.fe5 Ne5 14.Na3 (14.Ne5 Be5–+) 14...Neg4–/+) 13...ef4–/+ 14.ef4 d4 15.h3 (15.Re1!?–/+) 15…Nh5–+ (15...Nh5 16.Kf2 Re3 17.Nd4 Rg3–+) 0–1. Neuhof,KE – Mulder van Leens Dijkstra, corr ICCF EU–M–GT–6, 1961.

7.Bd3 c4 8.Be2 Qb6 9.a4 a6 10.Bd4 Bc5 11.a5 Qb5 12.Nc3 Qc6 13.Ne5 Qc7 14.0–0 Bd4 15.ed4 Nfd7 16.Bg4 Nc6 17.Ne2 Na5 18.c3 Nb3 19.Ra2 b5 20.Nd7 Bd7 21.Rf3 a5 22.Rh3 a4 23.Qb1 a3 24.Qh7 1–0. dahida (1835) – xhentile1982 (1640), kurnik, 2014.

7.Be2 a6 8.ba6 Na6 9.0–0 =.

7.Be2 Nbd7

8.0–0 a6 =.

8.a4 a5 9.c4 (9.0–0 Qc7=) 9...Qc7 (9...b6 10.0–0=) 10.Ra3 (10.0–0 Re8=) 10...b6 11.0–0 Bb7 12.Qc1 (12.Qe1 Rad8+=) 12...d4 13.Rb3 (13.Qe1 Rad8+=) 13...Rfe8 (13...Rad8 14.Qd1+=) 14.g3 (14.Qd1 Rad8+=) 14...e5 (14...de3!? 15.de3 e5+=) 15.fe5= Ne5 16.Ne5 (16.ed4!? Neg4 17.Qe1=) 16...Be5+= 17.Bf3 Bg3 (better is 17...Bf3!? 18.Rf3 de3 19.Rbe3 Bb2 20.Qb2 Ng4 21.Re8 Re8–/+) 18.Bb7+= Ng4?? (18...Bh2 19.Kh1 Qb7 20.Kh2 Re5 21.Rf6 Rh5 22.Kg3 Rg5 23.Kf2 gf6 24.ed4 Qg2 25.Ke1 Qe4 26.Re3 Rg1 27.Ke2 A) 27...Rc1?! 28.Re4 Rb1 29.Bc3–/+; B) 27...Qb1? 28.Rg3 Kh8 29.Rg1 (worse is 29.Qg1 Re8 30.Kf2 Qb2–/+) 29...Qe4 30.Kd1 cd4 31.Qc2 Qf3 32.Kc1+–; C) 27...Qg2 28.Kd3 Qg6 29.Kc3 Rc1 (29...Qb1?! 30.Qb1 Rb1 31.dc5+=) 30.Bc1 Qb1–+) 19.Ba8 (19.Bd5 Bh2 20.Kh1 Bg1+–) 19...Bh2 20.Kh1 Qg3? (20...Ra8 21.Qc2 Qb7 22.e4 Re8+/–) 21.Rf3 Nf2 22.Rf2 Qf2 23.Bg2 Re6? (23...Bd6 24.Qf1 Qh4 25.Bh3 de3 26.de3 Qe4 27.Kg1 Qc2+=) 24.Qf1 Qh4 25.e4 (25.Bh3 Rf6 26.Qg2+/–) 25...Rf6= 26.Rf3 Bg3 (26...Be5 27.Bh3 Qe4 28.Bg2 Rf3 29.Qf3 Qb1 30.Bf1+=) 27.Bh3 Rf3 28.Qf3 Qh3 29.Kg1 Qh2 30.Kf1 g5 31.Qg2 Qh4 (31...g4 32.Qh2 Bh2 33.Na3+=). Fritz,Harry – Ventura, corr 6466, 1966.

8.a4 c4 9.0–0 =.

8.a4 Qc7 9.0–0 e5 10.fe5 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.Ra3 Be6 (13...Re8 14.Bf3+=) 14.Bf3 (14.d4 Qd6=) 14...Rab8 (14...a6 15.d4 Qc7 16.dc5 ab5 17.ab5 Qc5 18.Qd3–/+) 15.Re1 (15.d4 Qd6=) 15...b6 (15...Rbd8 16.d4 Qc7 17.dc5 Qc5 18.Rc3=) 16.d4 (16.Nc3 Rfd8=) 16...cd4 (16...Qc7!?+=) 17.ed4 =. Schiffler,L – Mayrhofer,K, corr, 1950.

8.c4 Qc7 9.Qb3 b6 10.0–0 Bb7 11.Na3 d4 12.Nc2 de3 13.de3 Ne4 14.Rfd1 f5!? 15.Nce1! e5 16.Nd3 ef4 17.ef4 Ndf6 18.Nde5 Rae8 19.a4 Ng4 20.a5 g5 21.ab6 ab6 22.Ra7 Ne5 23.Ne5 gf4 24.Nf3 Re6 25.Ba1 ½–½. Alekseyev – Laber, corr ICCF WT–M–GT–40 1974–76.

6.Nf3 c6

7.a4 a6 8.c4 ab5 9.cb5 cb5 10.ab5 Ra1 11.Ba1 Nbd7 12.Be2 Re8 13.Ne5 Be5 14.fe5 Ne4 15.d3 Qh4 16.g3 Ng3 17.Kd2 Nh1 18.Qh1 b6 19.Bd4 Bb7 20.Nc3 Rc8 21.Na4 Qe7 22.Qb1 Qa3 23.Nb6 Qa5 0–1. elsh1403 (1720) – svnuno (1890), kurnik, 2014.

7.a4 a6 8.c4 Nbd7 9.Be2 Qc7 10.0–0 e5 11.c5 Bc5 12.fe5 Ne4 13.d4 Bb4 14.Qb3 a5 15.Nc3 Bc3 16.Bc3 Nc3 17.Qc3 c5 18.dc5 Nc5 19.Rac1 b6 20.Qd4 Be6 21.Bd3 Qb7 22.Bc2 Rac8 ½–½. Bolshunov – Semenov, Alushta 1994.

7.a4 a6 8.Be2 Nbd7 9.0–0 Re8 10.Qe1 Qc7 11.Nc3 (11.bc6!? bc6 12.Qg3=) 11...ab5 12.ab5 Ra1 13.Ba1 e5 14.fe5 Ne5 15.Qh4 Ng6 16.Qa4 Bd7 17.h3 Bc5 18.Bd3 Ne4 (better is 18...Nf4!=+) 19.Be4+– (19.Ne4 de4 20.Ng5 ed3=) 19...de4 20.Ng5 (20.Ne4? cb5 21.Qb3 Re4–+) 20...cb5 (better is 20...Re7!? 21.Nce4 Bb6 22.Qa8 Qd8 23.Qd8 Bd8+/–) 21.Qb3+– Be6 22.Qb5 (22.Ne6?! Re6 23.Qb5 Re5=) 22...Re7 23.Nce4 (23.Ne6?! Re6 24.Ne2 Bd6=) 23...Bd6 24.Ne6 Bh2 25.Kh1 Re6 26.d3 Be5 27.c4 Qc6 28.Nc5 Qb5 29.cb5 Rb6 30.Rb1 (30…Ba1 31.Ra1+–) 1–0. Tschoepe,Frank – Vetter,Udo, TT–09, 2003.

7.a4 cb5 8.ab5 a6 9.c4 Bb4 10.Qb3 a5 11.Nc3 Ne4 12.Ne4 de4 13.Ng5?? (better is 13.Nd4+=) 13...Qd2 0–1. jura1946 – shah01, kurnik, 2012.

7.a4 cb5 8.ab5 a6 9.c4 dc4 10.Bc4 Qc7 11.0–0?? (better is 11.Qe2=) 11...Qc4–+ 12.Nc3 Nbd7 13.Ra4 Qc7 14.Qe2 Re8 15.Rc1 Qb6 16.h3 Nc5 17.Raa1 (17.Ra2–+) 17...Nb3 18.Na4 Qb5 19.Qb5 ab5 20.Nb6 Ra1 21.Ba1 (21.Ra1 Na1 22.Ba1–+) 21...Nc1 0–1. jura1946 – raychen, kurnik, 2012.

7.a4 cb5 8.ab5 Nbd7 9.c4 dc4 10.Bc4 Bc5 11.0–0 Qb6 12.Qb3 Qc7 13.d4 Bb6 14.Nbd2 Re8 15.Ng5 h6 16.Nge4 Ne4 17.Ne4 Qd8 (better is 17...Nb8!?+/–) 18.Nd6+– White prepares the advance f5 18...Rf8 19.Be6?? (better is 19.Ba3 Qf6 20.Ne4+–) 19...fe6+= 20.Qe6 Kh7 21.f5? (better is 21.Qe4!? Kh8 22.Qe6= (worse is 22.Nb7 Bb7 23.Qb7 Rf5–/+)) 21...Nf6 22.Nc8 Rc8 23.Qb3 Qd6 (better is 23...Re8 24.Rf3 Qd5–+) 24.d5?? (better is 24.Ba3 Qd5 25.Qd5 Nd5 26.Bf8 Rf8 27.Kf2+=) 24...Bc7 (better is 24...Ng4 25.g3 Ne3–+) 25.Rf4 Bb6 26.Kh1?? (26.Rff1 Ng4 27.g3 Ne3–+) 26...Be3?? (better is 26...Qd5 27.Qd5 Nd5–+) 27.Qe3= Qd5 28.Bf6 (28.Ra7? Rc2 (28...Qb5?! 29.Qf2=) 29.Qg1 Rb2–+) 28...Rf6 29.Qa7 (29.Ra7?? Qd1 30.Qg1 Rc1 31.Rf1 Qf1 32.Qf1 Rf1) 29...Rd8 30.Qa4 Qe5 31.Raf1 b6 32.h3 Rfd6 (32...Rd5 33.Qc4=) 33.g4 (33.Re4!? Qg3 34.f6 Rf6 35.Rf6 gf6 36.Re7 Kh8 37.Qc2+/–) 33...Rd2 34.f6 Qd5 35.Qe4 Qe4 36.Re4 gf6 37.Rf6 Rb2 38.Re7 Kh8 (better is 38...Kg8 39.Kg1 Rdd2=) 39.Rb6?? (better is 39.Rh6 Kg8 40.Rhe6+/–) 39...Rd1 40.Re1 Re1 0–1. jura1946 – ajshe2, kurnik, 2012.

7.a4 Qc7 8.Be2 (8.Bf6 gf6 9.Nc3 e5=) 8...Nbd7 9.0–0 Re8 (9...a6 10.Nc3=) 10.Na3 Ne4 (10...c5 11.c4=) 11.c4 e5 (11...Bc5 12.Qc2=) 12.fe5 (12.cd5 cd5 13.Rc1 Qa5 14.fe5 Ne5=) 12...Ne5 Black fights for the Initiative 13.Ne5 Re5 (13...Be5 14.Be5 Qe5 15.cd5 cd5= (15...Qd5? 16.Bc4 Qd8 17.Bf7 Kh8 18.Be8 Qe8 19.bc6+–)) 14.Be5 (better is 14.d3!? Nf6 15.cd5 Rd5 16.Bf6 Bh2 17.Kh1 gf6 18.bc6 (18.Rf6? Be5 19.Rh6 Ba1 20.Qa1 Qg3–+) 18...bc6 19.Rc1= (worse is 19.Rf6 Be5 20.Rh6 Ba1 21.Qa1 Qg3–+)) 14...Be5+= 15.Rf4 (better is 15.Bf3!? Bh2 16.Kh1 Ng3 17.Kh2 Nf1 18.Kg1+=) 15...Bf4–+ (15...Ba1?! 16.Qa1 Nd2 17.Qd4+=) 16.ef4 Qf4 17.Bf3 (better is 17.Ra2–+) 17...Nd2 18.cd5 (18.Be2 Be6–+ (18...Nc4?! 19.Nc4 Bf5 20.Nb2+=; 18...dc4?! 19.Nc4 Bg4 20.Qd2 Qd2 21.Nd2 Be2 22.Re1–+)) 18...cd5 (18...Nf3 19.gf3 Bh3 20.Qc1 Qd4 21.Kh1–+) 19.Nc2 (19.Kh1 Be6–+) 19...Bf5 20.Ne1 (20.Ra3–+) 20...Re8 (20...Nf3?! 21.Nf3 Qe3 22.Kh1–+) 21.h3 (21.Kh1 Qe5 22.g4 Nb3–+) 21...Nb3 (21...Qe3 22.Kh2–+) 22.Ra3 (22.Ra2 Nd4 23.Rf2–+) 22...Qe3 23.Kh2 Qe5 (23...Qe1?! 24.Qe1 Re1 25.Rb3–+) 24.g3 (24.Kg1 Qg3 25.Kf1 Re1 26.Qe1 Bd3 27.Be2 Be2 28.Qe2 Qf4 29.Qf2 Qc1 30.Qe1 Qa3 31.Qe8 Qf8 32.Qd7–+) 24…Qb2 (24...Qb2 25.Bg2 Qa3 26.Qd5 Qc5–+; 24...Qe1?! 25.Qe1 Re1 26.Rb3–+) 0–1. Stabenow,Juergen – Schwibbe,Rudolf, corr DDR (year?).

7.a4 Nbd7 8.c4 Nb6 9.Na3 Bd7 10.Qc2 cb5 11.Ng5 g6 12.Nb5!? Bb4 13.c5! (13.Qb3 a5 14.Rc1 dc4! 15.Bc4 Bb5!–+) 13...Nc8 14.Be2 h6 15.h4 hg5 16.hg5 Nh7 17.Rh7! Kh7 18.Bf6 Qa5 19.Kf2 e5 20.Rh1 Bh3 21.Rh3 Kg8 22.Rh8 1–0. Gross – COMP, 30'' 1989 (Gross).

7.a4 Nbd7 8.Be2 =.

7.Be5 Ng4 =+.

6.Nf3 Bd7

7.a4 Re8 8.Be2 a6 9.0–0 c5 10.c4 Qe7 11.Qc2 ab5 12.ab5 Ra1 13.Ba1 Rd8 14.Ng5 h6 15.Bf6 Qf6 16.Qh7 Kf8 17.Nf3 d4 18.Bd3 Ke7 19.g4 (19.Na3 Bc8+/–) 19...de3+= 20.de3 Bc8 21.g5 hg5 22.fg5 (22.Ng5?! Qh6=) 22...Qb2 23.Rf2 Qa1 24.Nd4 Be5 (24...Rf8 25.Qg7 cd4 26.g6+/–) 25.Nb3 Qa4 26.N1d2 (26.Nc5?! Qa7 27.Qh5 Rf8=+ (27...Qc5?? 28.Qf7 Kd6 29.Nd2 Qe3 30.Ne4 Qe4 31.Be4+–)) 26...Qb4 27.Bf1 Qc3 28.Qh5 Rf8 29.Nc5 Qe3 30.Nce4 Bd4 31.Kh1 Nd7 32.Qg4 e5 33.Bg2 Nc5 34.Qd1 Ne4 35.Ne4 Qa3 36.Rf1 Be6 37.Qc2 b6 38.Rf3 Qb4 39.Ng3 ½–½. Kucharkowski,Jens – Hemzo,Miguel Angelo, Orang Utan Invitational, 2002.

7.Be2 c6 8.a4 a6 9.c4 ab5 10.ab5 Ra1 11.Ba1 Bb4 12.Nc3 Qa5 13.0–0 cb5 14.cb5 Ne4 15.Qb3 Bc5 16.Ne4 (16.Kh1?! Nf2! 17.Rf2 Qa1; 16.Bb2? Nd2! 17.Nd2 Be3) 16...de4 17.Qb2 (17.Bc3?! Qa3) 17...f6 18.Ng5 Qa4 19.Bd1 Qb5 20.Bb3 Qc6 21.Rc1 Rc8 22.Rc2 Na6 23.f5! Nc7 24.fe6 Be8 25.e7 Kh8 26.Rc4 (26.Ba2 b6 27.Qb3 Bg6 28.Nf7 Bf7 29.Qf7 Qd6=; 26.Bf7 h6! ideaLxe3+!; 26.Nf7 Bf7 27.Bf7 Ra8 28.Ba2 (28.Rc4 b5 29.Rc1 Qd6 30.Qc2 Qe7=+) 28...Nd5 29.Qb3 Ne7 30.Bd4 b6 31.Qf7 Qd6=) 26...Qb6?! 27.Re4 Qc6 28.Rh4 h5 29.Nf7 Bf7 30.Bf7 g6 31.Qf6 Qf6 32.Bf6 Kh7 33.g4 Ne8 34.g5 Bd6 35.Kg2 b5 36.Rd4 Bh2 37.Rd8 Rc2 38.Re8 Rd2 39.Kh3 Bd6 40.Rh8 1–0. Gross – COMP, 30'' 1989 (Gross).

6.Nf3 Nbd7

7.c4 c6 8.a4 Ne4 9.Nc3 Ndf6 10.d3 Nc3 11.Bc3 c5 12.Be2 b6 13.0–0 Bb7 14.Qc2 Ng4 15.Qd2 f5 16.h3 Nf6 17.Qb2 dc4 18.dc4 Qe7 19.Rfd1 Rad8 20.Nd2 Rfe8 21.Bf3 Bf3 22.Nf3 Ne4 23.Be5 Be5 24.Ne5 Qf6 25.Qc2 Rd1 26.Rd1 Rd8 27.Nc6 Rd1 28.Qd1 h6 29.Ne5 Qh4 30.Qf1 Qd8 31.Qe1 Qd6 32.a5 ba5 33.Qa1? Qd2–+ 34.Nc6 Qe3 35.Kh2 Qf4 36.Kg1 Qe3 37.Kh2 Qf4 38.Kg1 Ng3 39.Na5 Ne2 40.Kh1 e5 41.Nc6 e4 42.Qd1 Qf2 43.Na7 f4?? 44.b6?? f3 45.Qd8?? Kh7 (45...Kh7 46.Qg8 Kg8 47.gf3 Qg1) 0–1. Van Esbroeck,Dirk – Balaram,Mohanakrishnan, BI–2009–P–00010, 2009.

7.Bd3 =+.

7.Be2 b6 8.0–0 a6 9.c4 ab5 10.cb5 Bb7 11.Ne5 Be5 12.fe5 Ne4 13.d3 Nec5 14.Qe1 Qg5 15.Qf2 Na4 16.Ba3 Ne5 17.Bf8 Rf8 18.Nd2 Nc3 19.Nf3 Ne2 20.Qe2 Nf3 21.Rf3 d4 22.e4 Qb5 23.Rg3 g6 24.h4 Kh8 25.Rf1 c5 26.h5 Kg7 27.hg6 hg6 28.Qh5 Ba6 29.Qe5 Kg8 30.Qf6 Qe8 31.Rh3 Qb5 32.Rh8 1–0. elsh1403 (1605) – gari (1705), kurnik, 2014.

7.Be2 b6 8.0–0 Bb7 9.Qe1 Re8 10.Ne5 Qe7 11.d3 Rac8 12.Qg3 Bc5 13.Nd7 Qd7 14.Bf6 1–0. elsh1403 (1690) – mister1962 (1890), kurnik, 2014.

7.Be2 b6 8.0–0 Bb7 9.Ne5 Ne8 10.Qe1 Ne5 11.fe5 Be7 12.a4 c5 13.d4 c4 14.c3 Qc7 15.Nd2 f6 16.Ba3 Ba3 17.Ra3 fe5 18.Rf8 Kf8 19.Qf2 Kg8 20.Bg4 Qe7 21.de5 Qa3 22.Be6 Kh8 23.Qf7 Nc7 24.Qc7 Rf8 25.Nf3 Qc3 26.Qb7 Qe3 27.Kh1 c3 28.Qd5 c2 29.h3 c1Q 30.Kh2 Qf4 0–1. elsh1403 (1730) – mister1962 (1855), kurnik, 2014.

7.Be2 Qe7 8.0–0 e5 9.fe5 Ne5 10.a4 c6 11.c4 dc4 12.Ne5 Be5 13.Be5 Qe5 14.Nc3 cb5 15.ab5 Be6 16.Rf4 h6 17.Bc4 Bc4 18.Rc4 a6 19.ba6 ba6 20.Rca4 Rfd8 21.Qe2 a5 22.h3 Nd5 23.Qb5 f6 24.Nd5 Rd5 25.Qc4 Kh8 26.R1a2 Rad8 27.Qc3 Qc3 28.dc3 Rd3 29.Kf2 Rc3 30.Ra5 Re8 31.Re2 Re7 32.Rd5 Kh7 33.Kf3 g5 34.g4 Kg6 35.Rf5 h5 36.Kf2 hg4 37.hg4 Rc4 38.Kf3 Ree4 39.Rg2 Re6 40.Rd5 Rc3 41.Re2 Rb3 42.Rd4 f5 43.gf5 Kf5 44.Rd5 Re5 45.Rd4 g4 46.Kf2 Re4 47.Rd5 Re5 48.e4 Kf4 49.Re5 1–0. elsh1403 (1605) – darij (1650), kurnik, 2014.

7.Be2 Re8 8.0–0 A) 8...a6 A1) 9.Nc3 e5 10.fe5 Ne5 11.ba6 ba6 12.Rb1 Rb8 13.Na4 Nf3 14.Rf3 Ng4; A2) 9.Be5 ab5 (9...Qe7 10.a4 Be5 11.Ne5 ab5 12.Bb5 Ne4 13.Qf3 f6 14.Ng4 Qb4; 9...Bc5 10.a4 Ne5 11.fe5 Ne4 12.ba6 ba6 13.d4 Be7 14.Nfd2 Nd2) 10.Bd6 cd6 11.Bb5 e5 12.a4 Qa5 13.Nc3 Re7 14.Rb1 Nc5; A3) 9.a4 e5 10.fe5 Ne5 11.Ne5 Be5 12.Be5 Re5 13.Ra3 ab5 14.ab5 Ra3; B) 8...c5 B1) 9.a4 a6 (9...e5 10.fe5 Ne5 11.a5 Qc7 12.h3 Be6 13.a6 b6 14.Ng5 Bd7; 9...Qa5 10.Qe1 Qc7 11.a5 e5 12.b6 Qd8 13.fe5 Ne5 14.Be5 Be5; 9...c4 10.Bd4 e5 11.fe5 Ne5 12.Nc3 Nf3 13.Bf3 Be5 14.Ne2 Qa5; 9...Qe7 10.Ne5 a6 11.Qe1 b6 12.Na3 c4 13.d3 Bb4 14.Nc6 Be1; 9...Qc7 10.a5 e5 11.fe5 Ne5 12.b6 Qe7 13.ba7 Ra7 14.Nc3 Nf3) 10.Qe1 Qc7 11.Qh4 e5 12.fe5 Ne5 13.c4 Bg4 14.cd5 Ng6; B2) 9.Qe1 a6 (9...c4 10.Bd4 e5 11.fe5 Ne5 12.Nc3 Qd7 13.Ne5 Be5 14.Qh4 Qd6; 9...b6 10.Be5 Qc7 11.Qg3 Bb7 12.a3 a6 13.Nc3 c4 14.ba6 Ba6) 10.Be5 Be7 11.a4 Rf8 12.ba6 ba6 13.Ra2 Ne5 14.Ne5 Bb7; B3) 9.bc6 bc6 10.Be5 Qc7 11.d4 Rb8 12.Nc3 a6 13.Rb1 Rb1 14.Qb1 c5; C) 8...e5 C1) 9.Ne5 Ne5 10.Be5 Be5 11.fe5 Re5 12.Rf4 Re4 13.Qf1 Qd6 14.g3 Rf4; C2) 9.Be5 Ne5 (9...Be5 10.fe5 Ne5 11.Ne5 Re5 12.Rf4 Re4 13.Re4 Ne4 14.Qf1 Qe7) 10.Ne5 Be5 11.fe5 Re5 12.Rf4 Re4 13.Re4 Ne4 14.c3 Qg5; C3) 9.fe5 Ne5= 10.Bd4 c5 11.bc6 bc6 12.Ne5 Be5 13.Be5 Re5 14.Rf4 Ne4.

7.Be2 Re8 8.Ne5 c5 (8...Ne4 9.0–0= f6 (9...Qh4 10.d3 Nec5 11.Bd4 f6 12.Nf3 Qh6 13.Nc3 c6 14.bc6 bc6) 10.Nd7 Bd7 11.d3 Nc5 12.Nc3 c6 13.d4 Ne4 14.Ne4 de4) 9.0–0 (9.bc6 bc6 10.Nc6 Qb6 11.Bf6 Nf6= 12.Ne5 Ne4 13.Qc1 Qc7 14.Nf3 Bd7) 9...Qc7 (9...a6 10.a4 c4 11.d3 ab5 12.ab5 Ra1 13.Ba1 cd3 14.Bd3 Qb6; 9...c4 10.Bh5 Nh5 11.Qh5 Qe7 12.a4 a6 13.Ba3 g6 14.Bd6 Qd6) 10.Nd7 (10.Bh5 Re7 11.Nd7 Nh5 12.Ne5 Nf6 13.a4 a6 14.Qf3 Bd7) 10...Nd7 11.Nc3 Nf6 12.Bf3 (12.Na4 d4 13.ed4 c4 14.g3 Bd7) 12...Bd7 (12...b6 13.Qe1 Bb7 14.Na4 Nd7) 13.a4 (13.Qe2 c4+= (13...a6 14.a4 c4) 14.Qf2 Reb8) 13...a6 14.Qe2 c4 15.Qf2 ab5 (15...Red8 16.Qh4=) 16.ab5 (16.Nb5 Bb5 17.ab5 Be7=) 16...Be7 (16...Qb6 17.Rab1+=) 17.Qg3 (17.g4 Red8=) 17...Qb6 (17...Ra1 18.Ba1 Ra8 19.Rb1+=) 18.Rab1 Ra5 19.Ne2 (19.f5 d4 20.fe6 Be6 21.ed4 Bd6+=) 19...Rb5 (worse is 19...Bb5 20.Bc3+=) 20.Bd4 Qa6 (20...Qc7 21.Rb5 Bb5 22.Nc3+=) 21.Rb5 Bb5 (21...Qb5 22.Ra1+=) 22.Rb1 (22.Ra1 Qd6+=) 22...Rd8 (22...Bc6 23.Ra1 Qb5 24.Nc3+=) 23.Be5 Ra8 (23...Bd7 24.Ra1 Qb6 25.f5+=) 24.f5 ef5 (24...Bc6 25.Nd4 Bd7 26.fe6 fe6 27.e4=) 25.Ra1 (25.Nc3 Bc6=) 25...Qa1 26.Ba1 Ra1 27.Kf2 Bf8 28.Qc7 Ba6 29.Nc3 Ne4 30.Be4 de4 31.Qe5 b5 32.Ne4+/– Ra2 33.Qf5 h6 34.g4 Bb7 35.Nc3 Ra5 36.h4 g6 37.Qe5 Bc6+/– 38.h5 g5 39.Qf6 Ra6 40.Nd5 Bb7 41.Ne7 Be7 42.Qe7 Bc6 43.Qd6 Kg7 44.Kg3 (44.Kg3 Bb7 45.Qe5 Rf6 46.Qb5 Rf3 47.Kg2+–) 1–0. Taulien,Hans_Juergen (2350) – Vonhoff,Joerg (2280), RSX10D – XMAS–1, 2003.

7.Be2 c6

8.a4 a6 9.0–0 A) 9...c5 A1) 10.Nc3 c4 (10...b6 11.ba6 Ba6 12.Nb5=) 11.Qe1 ab5 12.ab5=; A2) 10.Na3 Qa5 11.c4 d4 12.ed4=; B) 9...Re8 10.Qe1 Qc7 11.Nc3 e5 12.fe5=; C) 9...ab5 10.ab5 Ra1 11.Ba1 Qb6 12.Ne5=; D) 9...Qa5 10.Qe1 c5 11.Qg3 d4 12.ba6=; E) 9...Qc7 10.Kh1 (10.Nc3 e5 11.fe5 Ne5 12.h3=) 10...Re8 11.c4 (11.Kg1 c5 12.Nc3+=) 11...dc4 12.bc6=.

8.a4 a6 9.c4 dc4 (9...ab5 10.cb5 c5 11.0–0+=) 10.Bc4 (10.bc6 bc6 11.Na3 Ba3 12.Ba3 c5=) 10...ab5 (10...Nb6 11.Be2+=) 11.ab5 Ra1 12.Ba1 cb5 (12...Nb6 13.Bd3+=) 13.Bb5= Qa5 (13...Nd5 14.Bd4=) 14.Nc3 (14.Qa4 Qa4 15.Ba4 b6=) 14...Bb4 (14...b6 15.0–0=) 15.Qa4 Qa4 (15...b6 16.Kf2=) 16.Ba4 (16.Na4 Nd5 17.Bc3 Bd6=) 16...Nc5 (16...Nb6 17.Bc2=) 17.Bc2 Bd7 (17...b6 18.Na2 Ba5 19.Bf6 gf6 20.Kf2=) 18.Ne5 Ra8 (18...Rc8 19.Ke2=) 19.Ke2 Bc3 20.Nd7 (20.Bc3 Ba4 21.Ra1 Nd5=) 20...Ba1 (20...Ra1!? 21.Ra1 Ba1 22.Nc5 b5+=) 21.Nc5+/– b6 (21...Nd5 22.Nb7 h6 23.Nc5+/–) 22.Na4 (22.Na4 b5 23.Ra1+/–) 1–0. Mroz,Antoni – Pawlikowski,H, corr Poland, 1983.

8.a4 cb5 9.ab5 a5 10.Nc3 =.

8.a4 Qc7 9.0–0–/+ A) 9...Rd8 10.a5 (10.Kh1 a6 11.Nc3 e5 12.fe5+=) 10...cb5 11.Bb5 Bc5 (11...a6 12.Be2=) 12.Bd4=; B) 9...Re8 10.a5 (10.Ra2 a6 11.Na3 b6 12.bc6=; 10.c4 e5 11.fe5 Ne5 12.Be5=; 10.Kh1 a6 11.c4 dc4 12.bc6=) 10...cb5 11.Bb5 a6 (11...Rd8 12.Be2=) 12.Bd3= (12.Ba4=); C) 9...a6 C1) 10.Nc3 e5 11.fe5 (11.bc6 bc6 12.fe5+=) 11...Ne5 12.h3=; C2) 10.Kh1 Re8 11.c4 (11.Kg1 c5 12.Qe1=) 11...dc4 (11...ab5 12.ab5=) 12.bc6=.

8.a4 Qe7 9.0–0 e5 10.Be5 Ne5 11.Ne5 Be5 12.fe5 =.

8.a4 Re8 9.0–0 A) 9...Qc7 10.a5 (10.Ra2 e5 11.fe5 Ne5 12.Be5=; 10.c4 e5 11.fe5 Ne5 12.Be5=; 10.Kh1 a6 11.Kg1 c5 12.Na3+=) 10...cb5 11.Bb5 A1) 11...a6 12.Be2= (12.Ba4=); A2) 11...Rd8 12.Bd4=; B) 9...a6 10.Qe1 (10.Nc3 e5 11.fe5 Ne5 12.Qe1=; 10.bc6 bc6 11.Be5 Qc7 12.Bd6=; 10.ba6 b6 11.Be5 Be5 12.fe5+=; 10.Na3 Qc7 11.c4 Rd8 12.Qc2=; 10.Kh1 Qc7 11.c4 dc4 12.bc6=) 10...Qc7 11.Nc3 e5 12.fe5=; C) 9...c5 10.Ne5 (10.Be5 Qc7 11.Bd6 Qd6 12.a5=) 10...a6 (10...Qc7 11.Nd7 Nd7 12.a5=) 11.Qe1 Qc7 12.Nd7=; D) 9...e5 D1) 10.fe5 Ne5 D11) 11.Ne5 Be5 (worse is 11...Re5 12.Be5 Be5 13.d4+=) 12.Be5 Re5+=; D12) 11.Be5 Be5 12.Ne5=; D2) 10.Be5 Ne5 11.Ne5 Be5 12.fe5=; D3) 10.Ne5 Ne5 11.Be5 Be5 12.fe5=.

8.a4 Re8 9.Bf6 Nf6 (9...Qf6 10.d4–/+ (10.Nc3 Bc5 11.d4 Bb4 12.Qd2–/+) 10...c5 11.c3 cd4 12.cd4+=) 10.d4 (10.0–0 c5+= (10...Ne4 11.d3 Nf6 12.d4+=) 11.Ne5 Qc7 12.d4+=; 10.Nc3 c5 11.0–0 d4 12.Na2+=; 10.Ra2 a6 11.bc6 bc6 12.0–0+=; 10.bc6 bc6 11.Nc3 Rb8 12.0–0+=) 10...a6 (10...c5!?–/+ 11.0–0 cd4 12.Qd4+=; 10...Qa5 11.Qd2 Qc7 12.0–0+=) 11.bc6+= bc6 (11...Qa5 12.Qd2 Qb6 13.0–0+=) 12.0–0 c5 13.c3 (13.Nc3 Qa5 14.Qe1 cd4 15.Nd4 Qc7–/+) 13...c4 (13...Rb8 14.Ne5 Bb7 15.Nd2+=) 14.Nfd2 (better is 14.Qc2!?+=) 14...Qc7 (14...g6 15.e4 de4 16.Nc4–/+) 15.g3 Bb7 (15...Qb6 16.Na3–/+) 16.Qc2 h5 (16...g6 17.e4 de4 18.Nc4–/+) 17.e4 de4 (17...Ng4 18.Bg4 hg4 19.e5–/+) 18.Nc4 Be7 (18...h4 19.Nbd2–/+) 19.Nbd2 a5 (19...h4 20.Ne5–/+) 20.Rab1 (20.Ne5 Rab8+=) 20...Ba6 21.Rfe1 (21.Rb6 h4+=) 21...Nd5–/+ 22.Bf1 (22.Qe4? Nc3 23.Qf3 Nb1 24.Rb1 Red8–+) 22...f5 23.Rb3 g5 (23...Bf6 24.Na3–/+) 24.Ne5 (24.Qd1 g4–/+) 24...gf4 (24...Bf1!? 25.Kf1 gf4–/+) 25.Ba6+= Ra6 26.Ne4 Ne3?? (better is 26...fe4 27.Qe4 Bf6 (27...Nc3?? 28.Qg6 Kh8 29.Nf7) 28.Qg6 Kf8=) 27.Qe2+– fe4 28.Qh5 Rf8+/– 29.Qg6 Kh8 30.Re3 fe3= 31.Rb5 Bf6?? 32.Nd7!!+– Be5 33.Qh6 Kg8 34.Qf8 Kh7 35.Qf7 (35.Qf7 Kh8 36.Re5 Qe5 37.Ne5 Rb6 38.Ng6#) 1–0. Belov,PI – Syutin,IN, corr I liga Nipsegorodskaya oblast RUS, 1996.

6.Nf3 Re8

7.c4 c6 8.a4 Qa5 9.Qc2 dc4 10.Bc4 c5 11.Ng5 h6 12.Bf6 gf6?? (better is 12...hg5 13.Bg5 f6+/–) 13.Qh7 Kf8 14.Qf7 1–0. jura1946 – misiuniu16, kurnik, 2013.

7.Bd3 Nbd7 8.c4 Nc5 9.Be2 dc4 10.Bc4 Qe7 11.0–0 Bd7 12.d4 Nce4 13.Ne5 a6 14.a4 ab5 15.ab5 Ra1 16.Ba1 h6 17.Qd3 Bc8 18.Nd2 Nd2 19.Qd2 Rd8 20.Qa2 Ne4 21.f5?? (better is 21.Qc2 Nf6 22.e4+=) 21...ef5?? (better is 21...Be5 22.fe6 Bf6 23.ef7 Kf8–+) 22.Nf7 (better is 22.Bf7 Kh8 23.Ng6 Kh7 24.Ne7 Be7 25.g4+–) 22...Kh7 23.Nd8 Qd8 24.Bd3 Qh4 25.g3 Ng3? (25...Qe7 26.Qa8 Qg5 27.Qc8 Qe3 28.Kh1 Qd3 29.Qf5 Kg8+–) 26.hg3?? (better is 26.Qf2 g6 27.hg3 Bg3 28.Qg2+–) 26...Qg3–+ 27.Kh1 Qh3 28.Kg1 Qe3 29.Kh1 Qd3 (29...Qd3 30.Qf2 Qb5–+) 0–1. jura1946 – zdzichosz, kurnik, 2012.

5.f4 a6

6.a4 ab5 7.ab5 Ra1 8.Ba1 +=.

6.a4 c5 7.Nf3+= b6 (7...0–0 8.Nc3+=) 8.Be2 ab5 9.ab5 (9.Bb5 Bd7=) 9...Ra1+= 10.Ba1 Nbd7 11.0–0 0–0 12.Ne5 Bb7 13.d4 (13.Bb2 Qc7 14.Nd7 Nd7+=) 13...Ne4 (13...Qc7 14.Nd2–/+) 14.Nd2 Ndf6 15.Ndf3 (15.Bf3 Qc7 16.Ne4 de4+=) 15...Qc7 16.c4 Ra8 17.Bb2 cd4 18.Bd4 Bc5 19.Qc2 Ra3 20.Bd3 h6 21.Re1 (21.Rd1 Bd4 22.Nd4 Qc5+=) 21...Bd4+= 22.Nd4 Qc5 (22...Nc5 23.Bf1+=) 23.Rc1 dc4 24.Nc4 Rc3 25.Qd1 Bd5 26.Rc3 Nc3 Attacking the isolated pawn on b5 27.Qa1 Nb5 28.Nb6 Nd4 29.Nd5 (29.Qd4? Qc1 30.Bf1 Ng4–+) 29...Ne2 (29...Nd5?? 30.Qa8 (30.ed4?! Qc8=) 30...Qf8 31.Bh7 Kh7 32.Qf8 Ne3 33.Qf7+–) 30.Kf1 Qd5 (30...Nd5?? 31.Qa8 Qf8 32.Bh7 Kh7 33.Qf8+–; 30...ed5?! 31.Ke2 Qc8 32.Qa6=) 31.Be2 Ne4 32.Qa3 g5 33.Qd3 Qc6 34.g3 Nc5 35.Qd8 Kg7 36.Qd4 (36.fg5?? Qh1 37.Kf2 Ne4) 36...f6 37.Kg1 ½–½. Yakubboev,Nodirbek (2075) – Abdusattorov,Nodirbek (2020), Tashkent UZB, Men Ch 1st League, 2014.

6.Nc3 0–0 +=.

6.Nf3 Nbd7 7.Nc3 e5 8.fe5 Ne5 9.Be2 Nf3 (9...Nc4 10.Bc4 dc4 11.ba6 Ra6 12.Nb5=) 10.Bf3 Be5 11.Qe2 (11.ba6 Ra6 12.0–0 Qd6+=) 11...0–0 (11...Qd6 12.ba6 ba6 13.Rb1+=) 12.0–0 d4 (12...ab5 13.d4 Bd6 14.Nb5+=) 13.Nd1 Qd6 14.g3 (14.ba6 Ra6 15.Bd4 Bh2 16.Kh1 Bg3+=) 14...ab5 15.Qb5 Bh3 (15...c6 16.Qd3 Bh3 17.Bg2 Bg2 18.Kg2+=) 16.Rf2 c6 17.Qe2 (17.Qb3 Ng4 18.ed4 Bd4 (worse is 18...Nf2 19.de5 Qd2 20.Nf2+/–) 19.Bg4 Bg4 20.Bd4 Qd4+=) 17...Rfe8 (17...de3 18.de3 Bb2 19.Nb2–/+) 18.Qd3 Bg3 19.hg3 Qg3 20.Kh1 Ra5 21.Bd4 (21.Qe2 Ng4 22.Bd5 Rd5 23.Qf3 Nf2 24.Qf2–+) 21…Rg5 (21...Rg5 22.Qh7 Nh7 23.Nb2 Bf1 24.Bg4 Rg4 25.Raf1 Rh4 26.Rh2 Rh2#) 0–1. Tschoepe,Frank – Hoch,Dieter, PCM–2004–G10, 2004.

6.Nf3 Qe7 7.a4 0–0 8.Bd3 ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.Nd4 Ne4 12.Be4 de4 13.0–0 b6 14.Nc3 f5 15.d3 ed3 16.cd3 Bb7 17.Bb2 Bc5 18.Nce2 Nf6 19.Nc2 Nd5 20.Bd4 Bd4 21.Ned4 Qf6 22.Qe1 Ra8 23.Rf2 g6 24.h3 Kf7 25.e4 Ne7 26.Qe3 Ra2 27.Kh2 Qg7 28.g3 Qf8 29.Nf3 Qd8 30.Ng5 Kg8 31.Ne6 Qd6 32.Ncd4 Rf2 33.Qf2 fe4 34.de4 Be4 35.Qb2 1–0. dahida (1820) – eilmsen (1675), kurnik, 2014.

5.f4 Nbd7

6.Nf3 b6 7.a4 0–0 8.c4 dc4 9.Bc4 Nd5 10.Ng5 h6 11.Nh3 f5 12.Qh5 N7f6 13.Qg6 Bd7 14.Nc3 Be8 15.Qg3 c6 16.bc6 Bc6 17.Bd5 ed5 (17...Nd5? 18.Nd5 Rf7 19.Nc3+–) 18.0–0 Qc7 19.Nf2 Rae8 20.Nd3 Kh7 21.Ne5 Be5 22.fe5 Ne4 (22...Re5? 23.Nb5 Ne4 24.Qe5 (24.Nc7?! Ng3 25.Be5 Nf1 26.Kf1 Rc8+–) 24...Qe5 25.Be5 Nd2 26.Rfc1 Bb5 27.Rc7+–) 23.Ne4 de4 24.Bd4 Qd7 25.a5 ba5 0–1. jura1946 – saharamedia, kurnik, 2013.

6.Nf3 c5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 c5 5.f4 Bd6 6.Nf3 Nbd7).

6.Nf3 0–0

7.c4 c6 8.Qc2 a6 (8...Nc5 9.cd5 ed5 10.Ng5=) 9.ba6 (9.bc6 bc6 10.cd5 A) worse is 10...ed5 11.Qc6 Rb8 12.Bd4+= (12.Ba6 Rb2 13.Qc8 Qc8 14.Bc8 Rc8–+); B) 10...cd5+=) 9...ba6+= 10.Bd3 Nc5 11.Be2 Rb8 12.Ne5 (12.0–0 Qe7=) 12...Nfe4 13.0–0 (13.Nc6?? Qh4 14.Kd1 Rb2 15.Qb2 Nf2 16.Kc2 Nh1–+) 13...Bb7 (13...Qb6 14.Bd4 f6 15.Nd3=) 14.d3 Nf6 15.Nd2 (15.Bd4 Qe7=) 15...Ne8 (15...Ncd7 16.Rab1=) 16.d4+= Be5 (16...Nd7!?+=) 17.fe5+/– Ne4? (better is 17...Nd7+/–) 18.Ne4+– de4 19.Ba3 (19.Qe4?! c5 20.Qg4 Bg2+/–) 19...Qg5 20.Qc3 (20.Rf4!? Nc7 21.Bf8 Rf8 22.Qe4 Ba8+–) 20...Nc7 21.Bf8 Rf8 22.Rab1 Ba8 23.Rb3 (23.Qa3!? Qd8+–) 23...c5 24.dc5 (24.Qa5 Qe7+–) 24...f5 (24...Qe7 25.Qa5+–) 25.ef6 gf6 26.Qd4 Ne8 27.Rb8 e5 28.Qd2 Bc6 29.Rb6 Bd7 30.Qd5 Kh8 31.Qe4 Ng7 32.Rd6 Bf5 33.Qf3 h5 34.Qg3 Bg4 35.Bg4 hg4 36.h4 Qh6 37.Qe5! Nh5 38.Rf5 Ng7 39.Rff6 Rf6 40.Rf6 Qh4 41.Qh2 Qh2 42.Kh2 g3 43.Kh3 (43.Kh3 Kg8 44.Rg6+–) 1–0. Capece,Adolivio – Giubbolini,Ilio, ITA–ch Chioggia, 1970.

7.Bd3 a6 8.a4 Nc5 9.Qe2 Bd7 10.0–0 ab5 11.ab5 Ra1 12.Ba1 Nd3 13.Qd3 Qe8 14.Nc3 Qe7 15.Ne2 Ne4 16.Ng3 Ng3 17.hg3 Ra8 18.Kf2 Ra3 19.c3 c5 20.bc6 Bc6 21.Rh1 f5 (21...h6!?–/+) 22.g4= g6 23.Qd4 fg4 24.Ng5?? (better is 24.Ne5 Qg7 25.Ng4 Qd4 26.cd4+=) 24...e5–+ 25.Qd3 (25.Qd3 ef4 26.Bb2–+). Vermaas,Fred – Poulsen,Rene (2080), TE.2004.P.01714, 2004.

7.Bd3 Bb4 8.Nc3 c5 9.bc6 bc6 10.Ne2 Rb8 11.Rb1 c5 12.Bf6+= Qf6 13.c3 Ba5 14.Rb8 Nb8 15.Qb1 Ba6 16.Ba6+/– Na6 17.Qb5 Rb8 18.Qa5 Rb1 19.Kf2 Rh1 20.Qa6 Qe7 21.Qc8 Qf8 22.Qf8 Kf8+/– 23.Neg1 1–0. Kilpatrick,Robert – McMorran,Thomas, corr SCCA cand 8587, 1987.

7.Be2 c5 8.0–0 Qc7 9.Nc3 (9.c4 e5=) 9...d4 10.b6 (10.ed4 cd4 11.Nd4 Bf4+=) 10...Nb6 (better is 10...Qb6!? 11.Nb5 Bb8–/+) 11.Nb5= Qe7 12.ed4 (12.Nd6 Qd6 13.ed4 Rd8=) 12...Bf4 13.Ba3 Ne4 (13...Nbd7 14.dc5 Ne4 15.c6=) 14.Qe1 (14.Bd3 Nd6 15.Bc5 Nd7+=) 14...a6 (14...Na4!?=) 15.Bd3+= ab5 16.Qe4 f5 17.Qf4 Ra3 18.Bb5 Rd8 19.c3 ½–½. Van Rooijen,Peter – Rosina,Graziano, BI–2007–P–00005, 2007.

7.Be2 Re8 8.0–0 c6 9.Nc3 e5 10.bc6 bc6 11.Ne5 Ne5 12.fe5 Be5 13.Na4 Bb2 14.Nb2 Qe7 15.Rf4 Ne4 16.Nd3 Ba6 17.Rb1 c5 18.Nf2 Be2 19.Qe2 Nf2 20.Rf2 ½–½. Rosner – G Zimmer, corr SOK–91–77.

7.Be2 c5

8.0–0 Qc7 9.c4 e5. Schiffler – Ruppe, Halle 1951.

8.0–0 Qc7 9.Nc3 d4 10.b6 (10.ed4 cd4 11.Nd4 Bf4+=) 10...Nb6 (better is 10...Qb6!? 11.Nb5 Bb8–/+) 11.Nb5= Qe7 12.ed4 (12.Nd6 Qd6 13.ed4 Rd8=) 12...Bf4 13.Ba3 Ne4 (13...Nbd7 14.dc5 Ne4 15.c6=) 14.Qe1 (14.Bd3 Nd6 15.Bc5 Nd7+=) 14...a6 (14...Na4!?=) 15.Bd3+= ab5 16.Qe4 f5 17.Qf4 Ra3 18.Bb5 Rd8 19.c3 ½–½. Van Rooijen,Peter – Rosina,Graziano, BI–2007–P–00005, 2007.

8.0–0 Qc7 9.c4 e5 =.

8.c4 Qc7 9.0–0= e5 10.fe5 Ne5 11.Ne5 Be5 12.Be5 Qe5 13.Nc3 d4–/+ 14.ed4 Qd4 15.Kh1 Be6 16.Qb3 Ng4 17.Bg4 Bc4 18.Qc2? Bf1–+ 19.Bf5 Qf2 20.Bh7 Kh8 21.Be4 Rfe8 22.Qb1 Qd2 23.Qf1 Qc3 24.Rc1 Qd2 25.Bb7 Rad8 26.a4 Re3 27.Bc6 Rd6 28.h3 Rde6 (28...Rde6 29.Rd1 Qd1 30.Qd1 Re1 31.Qe1 Re1 32.Kh2 c4–+) 0–1. Moench – Franke, 1969.

8.c4 Qc7 9.Nc3 Nb6 10.d3 d4 11.ed4 Bf4 12.dc5= Qc5 13.d4 Qf5 14.Bd3 Qh5= 15.Qe2 Bd7 16.0–0 Rae8 17.Ba3 e5 18.d5 e4!–/+ 19.Ne4 Ne4 20.Be4 Bf5 21.Bf8 Re4 22.Qb2 Kf8 23.Qa3 Kg8 24.Rae1 g5 25.Re4 Be4 26.Re1? Nc4–+ 27.Qc3 Nd6 28.Re4 Ne4 29.Qd3 f5 30.g3 Bd6 31.Kg2 g4 32.Nh4 Qg5 33.Qe2 Bc5 34.a4 Qc1 35.Qf1 Qd2 (35...Qd2 36.Kh1 Nf2 37.Kg1 Nd1 38.Kh1 Ne3–+) 0–1. Staszko,Tadeusz – Laber,Seweryn, corr Poland, 1973.

6.Nf3 c6

7.a4 a6 8.Be2 ab5 9.ab5 Ra1 10.Ba1 0–0 11.0–0 Re8 12.Ne5 Bb8 13.Qe1 Ne5 14.fe5 Ne4 15.d3 Ng5 16.h4 cb5 17.hg5 Qg5 18.Bf3 Be5 19.Be5 Qe5 20.Nd2 b6 21.Nb3 Bb7 22.Nd4 b4 23.Qb4 h6 24.Re1 Qg5 25.Qb6 Ba8 26.Qd6 h5 27.Qf4 Qg6 28.Qh4 e5 29.Ne2 e4 30.Bh5 Qc6 31.Qf4 Rf8 32.Rf1 Qc7 33.de4 Qc2 34.Bf7 Kh7 35.Qh4 1–0. elsh1403 (1605) – amigoos, kurnik, 2014.

7.c4 0–0 8.Be2 a6 9.0–0 Qb6 10.Bd4 c5 11.Bf6 Nf6 12.Nc3 ab5 13.Nb5 Be7 14.Ne5 Rd8 15.a4 Nd7 16.Rb1 Qa5 17.Bd3 h6 18.Qh5 Ne5 19.fe5 Rf8 20.Nc3 d4 21.ed4 cd4 22.Rb5 Qc7 23.Ne2 Bc5 24.Rf4 Ra4 25.g3 Ra2 26.Rg4 Kh8 27.Rf4 Rd2 28.Rb3 b6 29.Nd4 Qc6 30.Qh3 Bb7 31.Be2 Rd4 32.Re3 Rf4 0–1. marus2 – jentor, internet, 2001.

6.Nf3 Qe7

7.c4 0–0 8.Qc2 dc4 (8...Rd8 9.Nc3+=) 9.Bc4= e5 (9...Nb6 10.Ng5 Rd8 11.Bf6 Qf6 12.Qh7 Kf8 13.d4 Nc4 14.Qd3=) 10.fe5 Ne5 (worse is 10...Be5 11.Ne5 Ne5 12.Ba3+/–) 11.Be5 Be5 12.Nc3 Bf5 (12...Bd6 13.0–0=) 13.Qf5 Bc3 14.Rd1 (worse is 14.dc3 Qe3 15.Kd1 Ne4–/+) 14...Qe3 15.Kf1 Bd2 16.Rd2 (worse is 16.Nd2 Rad8 17.Qf2 Qh6–/+) 16...Ne4 17.Qd5 (17.Qd7 c6+=) 17...Nd2 18.Qd2 Qd2 19.Nd2 Rad8 20.Nf3 (20.Ke2 Rfe8 21.Kd1 Re4–/+) 20...Rd1 21.Ne1 Re8 (21...Rfd8 22.Kf2–/+) 22.Kf2 Kf8 (22...c5 23.bc6 bc6 24.Rf1–/+) 23.Rg1 (23.Bb3 Rb1–/+) 23...Rd4 24.Bb3 Rb4 25.Nf3 Rb5 26.Rd1 g6 27.Rd4 a5 28.Ra4 Kg7 29.g4 Rb4 30.Ra5 Rg4 31.Rb5 b6 32.a4 Ree4 33.h3 Rgf4 34.Bd1 Rb4 35.Rd5 Rfc4 36.Rd7 Rb2 37.Ke3 Rc3 38.Rd3 Rd3 39.Kd3 Rb4 (39...Rb4 40.Bc2 f5–+) 0–1. van den Braak,Jelle (1905) – Guzy,Gerhard (2030), corr ICCF WS/H, 2005.

7.c4 c6 8.a4 e5 9.fe5 Ne5 10.Nd4 (10.cd5!? Nd5 11.Be2+=) 10...dc4 11.bc6 bc6 12.Qc2 Rb8 13.Ba3 Rb1! 14.Qb1 (14.Rb1 Ba3 Deflection (14...Ba3 Remove defender; 14...Ba3 Overloading); 14.Qb1 Ba3 Remove defender) 14...Ba3 15.Qb8 0–0 16.Qa7 (16.Ra3 Qa3 17.Qe5–+) 16...Qa7 (16...Qa7 17.Ra3 Qb6–+) 0–1. jura1946 – ewqer, kurnik, 2013.

7.c4 e5 8.fe5 Ne5 9.cd5 =.

7.d4 0–0 8.c4 Bb4 (8...dc4 9.Bc4 Bf4 10.Ba3–/+) 9.Nc3 (9.Bc3 Ne4 10.Qb3 Nc3 11.Nc3 a6+=) 9...dc4 10.Bc4 (10.a3 Bc3 11.Bc3 Nd5=) 10...Nb6 11.Qb3 Nbd5 (11...Ng4 12.Bc1+=) 12.Ke2 c5 (12...a6 13.ba6 ba6 14.Nd5 ed5 15.Bd5 Nd5 16.Qd5=) 13.bc6= bc6 14.a3 Bd6 15.Rhb1 Bd7 16.Qc2 (16.Bd3 Rfc8+=) 16...c5 17.Nd1 (17.Ng5 cd4 18.Bd5 A) 18...ed5?? 19.Nd5 Qe3 20.Ne3 Bf4 21.Nh7 Nh7 22.Bd4+–; B) 18...dc3?! 19.Bc3 (19.Ba8? cb2 20.Qb2 Ra8–+) 19...Rac8 20.Bb7+=; C) 18...Rac8–/+) 17...Rac8 (17...Rfc8 18.Ne5–/+) 18.Ne5 (18.Kf1 Ng4 19.Ke2 cd4 20.Bd4 e5 (20...Ba3?! 21.Rb7+=) 21.fe5 Be5 22.Ne5 Ne5–+) 18...Nb6 (18...Rfd8 19.Kf3+=) 19.Nd7 (19.dc5 Bc5 20.Nd7 Nfd7+=) 19...Qd7 (19...Nfd7 20.Ba6 Rc7 21.Qe4–/+) 20.Ba6+= Rc7 21.Qb3 (21.dc5 Rc5 22.Qd3 e5+=) 21...cd4 (21...c4 22.Qb5+=) 22.Bd4+= Nfd5 (22...Qe7 23.Bb6 ab6 24.Qb6+=) 23.Ra2 (23.Kf1 Qe7+=) 23...f6 (23...Qe7 24.Kf2+=) 24.g3 (24.Kf1 Qe7+=) 24...Kh8 (24...Bc5 25.Bc5 Rc5 26.Rab2+=) 25.e4= e5 26.Bf2 Ne7 27.f5 g6 28.Bb5 Qc8 29.Rd2 Bc5 30.g4 Bf2 31.Nf2 gf5 32.gf5 a6 33.Bd3 Nd7 34.Qe6 The isolani on a6 becomes a target 34...Nc6 35.Qd5 Nc5 36.Kf1 Nd4 37.Rdb2 Rd8 38.Rb8 Rd5 39.ed5 The passed pawn on d5 quickly leads to threats 39...Nd3 40.Nd3 If White now would get d6 in, he might survive 40...Nf5 41.Rc8 Rc8 42.Rb6 Ne3 43.Ke1 Rc3 44.Nf2 Rc1 45.Ke2 Nd5 46.Ra6 Kg7 47.Rd6 Rc2 48.Kf3–/+ Rc3 49.Ke4 Ne7 50.Rd7 Kf7 51.Ra7? Ke6 (51...Ke6 52.Ra6 Nc6–+) 0–1. Schiffler,L – Pietzsch,Wolfgang, corr DDR–ch, 1950.

7.d4 0–0 8.Bd3 c5 9.bc6 bc6 10.Ne5 Qd8 11.Nd2 c5 12.c3 (12.dc5 Nc5 13.Bd4 Qc7=) 12...a5 (12...c4 13.Bc2+=) 13.a4 (13.c4 cd4 14.Bd4 Nc5=) 13...Ba6 14.c4 cd4 15.Bd4 Nc5 16.Be2 (16.Bc2 Rc8=) 16...Nce4 17.0–0 Nd2 18.Qd2 Ne4 19.Qa2 dc4 (19...Be5 20.Be5 dc4 21.Qc2+= (worse is 21.Bc4 Bc4 22.Qc4 Nd2–+)) 20.Bf3 (20.Nc4 Rc8=) 20...f5 21.Nc4 Bf4 22.Nb6 (22.Rfc1 Rc8 23.Na5 Ng5+=) 22...Qd6+= 23.Na8 (23.Rfd1 Bh2 24.Kh1 Rab8 25.Be4 A) 25...Rb6? 26.Bb6 Qb6 27.Rab1+– (27.Kh2?! fe4 28.Rab1 Qc7 29.Kg1 Re8=); B) 25...fe4 26.Bg7 Rf1 (worse is 26...Kg7 27.Rd6 Bd6 28.Nd7+–) 27.Rf1 Bf1 28.Rf1 Kg7= (worse is 28...Rb6 29.Bf8 Qb8 30.Bc5+–; 28...Qb6? 29.Bf6 Qd6 30.Qe2+–)) 23...Bh2–/+ 24.Kh1 Ng3 (24...Bf1 25.Rf1 Ra8 26.Be4 fe4–/+) 25.Kh2= Nf1 26.Kg1 Qh2 ½–½. Kraft,R – Ilchmann,G, corr FRG–cup, 1956.

7.d4 a6 8.ba6 b6 9.c4 +=.

7.d4 c5 8.bc6 bc6 9.Bd3 Rb8 10.Bc3 c5 11.dc5 Nc5 12.0–0 0–0 13.Ne5 (13.Bd4 Bd7+=) 13...Qc7 14.Bd4 Nfe4 15.Nd2 f6 (worse is 15...Nd3 16.cd3 Nc3 17.Qe1=) 16.Ng4 Nd3 (16...Nd2 17.Qd2 Nd3 18.cd3 e5 19.fe5 fe5 20.Rf8 Kf8–+) 17.Ne4 (17.cd3 Nd2 18.Qd2–+) 17...de4–/+ 18.cd3 e5 19.Rc1 Bg4 (19...Qe7!? 20.fe5 fe5 21.Rf8 Kf8–/+) 20.Qg4= Qe7 ½–½. Hoysniemi,Yrjo – Karvi,Timo, corr FIN–ch UP1, 1973.

7.Be2 a6 =.

7.Be2 e5 8.fe5 Ne5 9.0–0 0–0 10.a4 Nfg4 11.h3 Nf3+= 12.Bf3 Nh2 13.Rf2 Nf3 (13...Bg3 14.Bd5 Bf2 15.Kf2=) 14.Qf3 Be6 (14...Qe4=) 15.Nc3 c6 16.Ne2 Bd7 (16...a6 17.Nd4=) 17.a5+= a6 (17...Qe4 18.a6 Rab8 19.Qe4 de4 20.Bd4+=) 18.b6= Rae8 19.Nf4 Qe4 20.Qe4 Re4 21.Bc3 f6 22.Rf3 Kf7 23.Kf2 Rfe8 (23...Ree8 24.Rf1=) 24.g4 h6 (24...Bf4 25.Rf4 (worse is 25.ef4 c5–/+) 25...h5 26.Kf3=) 25.d3 (25.Nh5 R4e6=) 25...R4e7 26.Re1 Bc5 27.Bb2 (27.Bd2 Ba3=) 27...Bb4 (27...Bc8 28.Nh5=) 28.Ra1 Bc8 29.Ba3 Ba3 (29...Bc3 30.Ra2 Rd7 31.Bb2=) 30.Ra3 Be6 31.Ra1 c5 32.Ke2 (32.c3 Rd7+=) 32...d4 33.e4 c4. Benjap – Curlywurly, ChessWorld.net, 2003.

7.Be2 e5 8.fe5 Ne5 9.0–0 Nfg4 10.Be5 Ne5 +=.

7.Be2 e5 8.fe5 Ne5 9.0–0 h5 10.c4 dc4 11.Ne5 Be5–/+ 12.Be5 Qe5 13.Nc3 Ng4 14.Bg4 (14.g3!? Ne3! (14...Be6 15.Qc2 0–0–0 16.Rf4 g5) 15.de3 Qc3 16.Qc1–/+ (16.Qd5 Qe3) 16...Qe5) 14...hg4–+ 15.Rf4 (15.g3 Be6–/+ 16.Qa4 Qc5) 15...Be6 16.g3 0–0–0 17.a4 Rd3 18.Qe2 Rhd8 19.Ra2 f5 20.a5 Qd6 21.b6 (21.Rf2 Kb8–+) 21...a6 (21...ab6 22.Rf2–+) 22.bc7 Kc7 23.Rf2 g6 24.Qf1 Bd7 25.Re2 (25.Rb2 Bc6 26.Qa1 Kb8–+) 25...g5 (25...Bc6 26.Rb2–+) 26.e4 (26.Rf2 Kb8–+) 26...Rf3 (26...f4 27.Nd5 Kb8 28.gf4 gf4 29.Rc2–+) 27.Nd5 (27.Rf2 Qd4 28.Rc2 Kb8–+ (28...fe4 29.Ne4 Bb5 30.Ng5–/+)) 27...Kb8 28.Qc1 Qc5 29.Ne3 (29.Kg2 Bc6 30.d4 Qd4–+) 29...f4 (29...fe4?! 30.Qc4 Rc8 31.Qc5 Rc5 32.Re1–/+) 30.gf4 (30.Qc4 Qb5 31.Qb5 Bb5–+ (31...ab5?! 32.Ng2+=)) 30...gf4 31.Qc4 Qa7 32.Qd5 fe3 33.d4 (33.Kg2 Ka8 34.Qd6 Rh8–+) 33...Ka8 34.Rab2 Qb8 35.Rb6 (35.e5–+) 35...Bb5 36.Qb5 (36.Rb7 Rd5 37.Rb8 Kb8 38.Re3 Rd4 39.Rf3 gf3 40.Kf2–+) 36...ab5 37.Rb2 Qf4 (37...Qf4 38.Rf6 Rf1 39.Kg2 Qf6 40.Kg3 Qf4 41.Kh4 Rh8#) 0–1. De Cat,Ben – Hammond,Andrew JC (2210), 15th ch–NATO, The Hague NED, 2004.

7.Be2 e5 8.fe5 Ne5 9.Ne5 Be5+= 10.Ba3 Qe6 11.c3 Qf5 (11...Ne4!? 12.Qb3 c5+=) 12.d4= Bd6 13.Bd6 cd6 14.Bd3 Qg5 (14...Qe6 15.Qe2=) 15.Qf3 0–0 16.0–0 (16.h4 Qg4=) 16...b6 (16...Re8 17.Qf4 Qf4 18.ef4+=) 17.Nd2+= Bb7 18.Qh3 (18.Bf5 Bc8 19.Bc2 Re8=) 18...Bc8= 19.Qf3 (19.Bf5 Re8 20.Rae1 a6=) 19...Bd7 (19...Bb7 20.Qf4 Qf4 21.ef4=) 20.Rae1+= Rac8 21.Nb1 Rc7 (21...Ne4 22.c4=) 22.Qf4 (22.a4 Re8+=) 22...Qf4= 23.ef4 Ne4 The backward pawn on c3 becomes a target 24.Be4 (24.Re3 Rfc8=) 24...de4 25.Re4 Bb5 26.Rfe1 Bd3 (26...Bc4 27.a4=) 27.R4e3 Bb1 28.Rb1 Rfc8 29.Rb3 Kf8 30.Kf2 Re8 31.g4 (31.Re8 Ke8 32.Ke2 Re7 33.Kd3 Kd7+=) 31...Re3 (31...d5 32.Re8 Ke8 33.a3=) 32.Ke3+= d5 33.Kd3 Ke7 (33...Rc6 34.Rb5 Rd6 35.h4=) 34.a4 (34.Rb4 Rc6 35.g5 Re6=) 34...Rc6 (34...Kd6 35.Rb5=) 35.Rb5 Kd6 36.f5 a6 37.Rb2 (37.Rb4 h6=) 37...Kc7 (37...h6 38.h4=) 38.Re2+= Kd6 (38...Kd7 39.Re5 Kd6 40.Re8+=) 39.Re8 Rc7 (39...Kd7!? 40.Ra8 Rh6+=) 40.g5 Re7 (40...Rd7 41.Rh8 f6 42.gf6 gf6 43.Rb8+–) 41.Rb8 b5 42.Rb6 Kc7 (42...Kd7 43.a5 Re4 44.Ra6+–) 43.a5 (43.a5 Re4 44.Ra6+–) 1–0. Marcotulli,Giancarlo – Marino,Marco, SEMI, 1999.

7.Be2 e5 8.fe5 Ne5 9.Ne5 Be5+= 10.Be5 Qe5 11.Na3 (11.c3 Qf5+=) 11...Ng4 12.Bg4 (12.g3 Be6–/+) 12...Bg4–/+ 13.Qc1 d4 (13...Qf6 14.Rb1 d4 15.Rb4–+) 14.0–0 (14.Qb2 0–0–0 15.0–0 Qc5 16.Rf7 de3 17.de3 Rhe8–/+) 14...de3 15.de3 (15.Nc4 ed2 16.Ne5 dc1Q 17.Rac1 Be6–/+) 15...0–0 (15...0–0–0 16.Rb1–/+) 16.Rf4 (16.Rb1 Rad8–/+) 16...Bf5 (16...Be2 17.Rf2 Bb5 18.Nb5 Qb5 19.Rb1–/+) 17.Nb1?? (better is 17.Rb1+=) 17…Qa1–+ (17...Qa1 18.Rf5 Qa2–+) 0–1. Larsen,K – Rohde Jensen, Ballerup, 1974.

7.Ne5 Ne4 8.Qg4= Rg8 9.Bd3 f5 10.Qh3 Ng5 11.Qh5 g6 12.Qh6 Ne5 13.fe5 Bc5 14.0–0 Bd7 15.a4 (15.Be2 Ne4=) 15...Nf7 (15...Ne4 16.Be2=) 16.Qh7+= 0–0–0 (16...Rh8 17.Qg6 0–0–0 18.a5+/–) 17.Qh3 (17.a5 Rdf8 18.Be2 Rh8 19.Qg6 Ng5+=) 17...Rh8= 18.Qg3 Rh6 19.a5 (19.Be2 Ng5 20.Bd4 Ne4=) 19...Rdh8 20.h3 Ng5 (20...g5 21.Be2 g4 22.d4 gh3 23.dc5 Qc5 24.Nc3=) 21.Kh2 (better is 21.b6+=) 21...Qh7? (better is 21...Ne4 22.Be4 de4+=) 22.Qg5+– Rh3 23.Kg1 Rh4 24.Rf4 Rg4 25.Rg4 Qh2 26.Kf1 (26.Kf2 fg4 27.Qg4 Rf8 28.Ke2 Qg1+=) 26...fg4 27.Qg4 Rf8 28.Ke2 Qg1 29.Qf3 Rf3 30.Kf3 Qe1 31.Nc3? Qd2–+ 32.Nd1 Bb4 33.Nf2 Ba5 34.Bd4 Qb4 35.Rh1 Qf8 36.Kg3 b6 37.Be2 Qe8 38.Rb1 c5 39.bc6 Bc6 40.c3 Kb7 41.Rh1 Bb5 42.Bg4 Qe7 43.Rh6 Be8 44.Nd3 Qg7 45.Rh1 Qg8 46.Rh6 a6 47.Nf4 Bf7 48.Kf3 Qe8 49.Rh7 Kb8 50.Kg3 b5 51.Nd3 Bd8 52.Nc5 a5 53.e4 de4 54.Ne4 Qg8 55.Rh1 g5 56.Nd6 Bg6 57.Nb5 Bd3 58.Bc5 Bb5 59.Rb1 Qg6 60.Rb5 Kc8 61.Rb2 Qd3–+ 62.Kh2 Kd7 63.Rf2 Qc3 64.Bd6 Qe1 (64...Qe1 65.Rf7 Kc6–+) 0–1. Haznedaroglu,Kivanc (1990) – Reinhart,Kenneth M (2470), corr ICCF WSTT/3/06/3, 2006.

7.g3 e5 8.fe5 Ne5–/+ 9.Bg2 Bg4 10.0–0 0–0 (10...h5 11.Be5 Be5 12.d4–/+) 11.Nc3 (11.Qc1 Nf3 12.Bf3 Bf3 13.Rf3 Ng4+=) 11...Nc4 (11...Rfe8 12.Ne2+=) 12.Qc1 Rfe8 (12...c5 13.a4+=) 13.a4 (13.Nd4 Qe5+=) 13...Bc5 14.Nd4 (14.Kh1 a6+=) 14...Rad8 (14...Bd4 15.ed4 Qe6 16.Rf6 Qf6 17.Nd5–/+) 15.Rf4+= Bc8 (15...c6 16.h3 Bd7 17.Rb1+=) 16.Kh1 (16.a5 c6+=) 16...Bd6 17.Rf2 (17.Rf1 Bb4+=) 17...Qe5 (17...Be5 18.Ba3 Na3 19.Ra3 Bd4 20.ed4+=) 18.Rf4 (18.a5 Qh5 19.Kg1 Ng4+=) 18...Bd7 (18...Qg5 19.Rf1+=) 19.Nf3 (19.Rb1 Nb2 20.Qb2 Qh5+=) 19...Qh5 20.Rh4 Qg6 21.Ne2 (21.Nd5 Nb2 (worse is 21...Nd5 22.Rc4 Be6 23.Rd4+=) 22.Nf4 Bf4 23.Rf4 Bg4+=) 21...Ng4 22.Bd4 a6 23.Nf4 (23.ba6 ba6 24.Nf4 Bf4 25.ef4 Rb8+=) 23...Bf4–/+ 24.ef4 ab5 25.ab5 Bb5 26.d3 Nce3 27.Be3 (better is 27.h3!? c5 28.Bc5+=) 27...Ne3–+ 28.Ne5 Qb6 29.Bh3 (29.Qd2 f6 30.Ng4 Ng2 31.Kg2 d4–+) 29...Bc6 30.Nc6 (30.Bg2 f6 31.Rb1 Qc5 32.Nc6 Qc6–+) 30...Qc6 31.Ra2 (31.Qd2 Qc2 (worse is 31...Nc2 32.Rc1+=) 32.Qc2 Nc2–+) 31...d4 32.Kg1 Ra8 (32...Ra8 33.Ra8 Ra8–+) 0–1. Zylla,Johannes – Gromotka,Harry, BdF, 1986.

5.f4 Qe7

6.Nf3 0–0 7.Be2 Nbd7 8.Ne5 Ne4 9.0–0 f6 (9...Nb6 10.a4=) 10.Nd7 Bd7 11.c4 (11.d3 Nc5 12.Nc3 c6=) 11...c6 12.d3 Nc5 13.d4 Ne4 14.Nc3 (14.bc6 Bc6 15.c5 Bc7=) 14...Nc3+= 15.Bc3 dc4 16.bc6 Bc6 17.Bc4 b5 18.Bd3 Qb7 (18...Rac8 19.Ba5=) 19.Qc2 (19.Qb3 Rfe8=) 19...f5 20.Rab1 a6 21.Rf2 (21.Bb4 Bb4 22.Rb4 Rac8=) 21...Rfc8 22.Qb2 (22.a4 Qc7=) 22...Be4 23.Qc2 (23.Qd2 Qd5+=) 23...Bd3 (23...Bd5 24.Qd2+=) 24.Qd3 Qd5 (24...Qc6 25.Rb3+=) 25.Be1 (25.Rc2 Rc4 26.Ba5 Rac8+=) 25...Rc4 (25...Qc4 26.Qf1+=) 26.Rc2 Rac8 27.Rbc1 Kf7 (27...Rc2 28.Rc2 Rc2 29.Qc2+=) 28.Rc4 (28.Ba5 Rc2 29.Rc2 Rc2 30.Qc2 Qc4+=) 28...Rc4 29.Rc4 Qc4 30.Qc4 (30.Qd2 Ba3 31.Qf2 Kg8–/+) 30...bc4 31.a4 (31.Kf2 h6+=) 31...Ba3 (31...Kf6 32.Kf2+=) 32.Kf2 Ke7 (32...h6 33.e4+=) 33.Bc3 (33.e4 Kd6 34.ef5 ef5+=) 33...Kd6 34.Kf3 (34.Ke2 Kd5+=) 34...Kd5 35.h3 h5 36.g3 Bc1 37.h4 (37.a5 Ba3–/+) 37...Ba3 38.e4? (better is 38.a5 Kc6 39.e4–/+) 38...fe4–+ 39.Ke2 Bc1 40.Kd1 Be3 (40...Be3 41.Be1 Bd4–+) 0–1. Szpakowski,Marek – Brzozka,Stefan, Lodz Ch, 1959.

6.Nf3 Bd7 7.Be2 =.

6.Nf3 Nbd7

7.d4 0–0 8.c4 (8.Bd3 c5+=) 8...Bb4 (8...dc4 9.Bc4 Bf4 10.Ba3–/+) 9.Nc3 (9.Bc3 Ne4 10.Qb3 Nc3 11.Nc3 a6+=) 9...dc4 10.Bc4 (10.a3 Bc3 11.Bc3 Nd5=) 10...Nb6 11.Qb3 Nbd5 (11...Nc4 12.Qc4 a6 13.ba6 Ra6 14.0–0+=) 12.Ke2 c5 (12...a6 13.ba6 b6 14.Bd5 Nd5 15.Nd5 ed5 16.Qd5 Ba6 17.Kf2=) 13.bc6= bc6 14.a3 Bd6 15.Rhb1 (15.Qc2 c5+=) 15...Bd7 (15...Rb8 16.Qc2+=) 16.Qc2 (16.Bd3 c5+=) 16...c5 17.Nd1 (17.Ng5 cd4 18.Bd5 A) 18...ed5?? 19.Nd5 Qe3 20.Ne3 Bf4 21.Nh7 Nh7 22.Bd4+–; B) 18...dc3?! 19.Bc3 (19.Ba8? cb2 20.Qb2 Ra8–+) 19...Rac8 20.Bb7+=; C) 18...Rac8+=) 17...Rac8 (17...Rfc8 18.Ne5–/+) 18.Ne5 (18.Kf1 Rfd8+=) 18...Nb6 (18...Rfd8 19.Kf3+=) 19.Nd7 (19.dc5 Bc5 20.Nd7 Nfd7+=) 19...Qd7 (19...Nfd7 20.Ba6 Rc7 21.Qe4–/+) 20.Ba6+= Rc7 21.Qb3 (21.dc5 Rc5 22.Qd3 e5+=) 21...cd4 (21...c4 22.Qb5+=) 22.Bd4+= Nfd5 (22...Qe7 23.Bb6 ab6 24.Qb6+=) 23.Ra2 (23.Kf1 Qe7+=) 23...f6 (23...Qe7 24.Kf1+=) 24.g3 (24.Kf1 Rb8+=) 24...Kh8 (24...Bc5 25.Bc5 Rc5 26.Kf1+=) 25.e4= e5 26.Bf2 Ne7 27.f5 g6 28.Bb5 Qc8 29.Rd2 Bc5 30.g4 Bf2 31.Nf2 gf5 32.gf5 a6 33.Bd3+= Nd7 34.Qe6 Attacks the isolani on a6 34...Nc6 35.Qd5 Nc5 36.Kf1 Nd4+= 37.Rdb2 Rd8 38.Rb8 Rd5 39.ed5 Nd3 40.Nd3 Nf5 41.Rc8 Rc8 42.Rb6 Ne3 43.Ke1 Rc3 44.Nf2 Rc1 45.Ke2 Nd5–+ 46.Ra6 Kg7 47.Rd6 Rc2 48.Kf3–/+ Rc3 49.Ke4 Ne7 50.Rd7 Kf7 51.Ra7? Ke6 (51...Ke6 52.Ra6 Nc6–+) 0–1. Schiffler,L – Pietzsch,W, corr, 1950.

7.d4 a6 8.ba6 b6 9.c4 +=.

7.d4 a6 8.Nc3 +=.

7.d4 c5 8.bc6 (8.Be2 0–0+=) 8...bc6 9.Ne5 (9.Nbd2!?+=) 9...Be5 10.fe5 (10.de5!? Ne4 11.Nd2 Qh4 12.g3 Ng3 13.Nf3–+) 10...Ne4–+ 11.Qe2 (better is 11.Nd2 Qh4 12.g3 Ng3 13.Nf3–+) 11...a5?? (11...Rb8 12.Bc1 Qb4 13.c3 Nc3–+) 12.Ba3–/+ Qh4 13.g3 Ng3 14.Qf2 (14.hg3 Exploits the pin 14...Qh1 A pinning theme) 14...Nf5 15.Qh4 (15.Nd2 Qf2 16.Kf2 f6 17.ef6 Nf6+=) 15...Nh4 16.Nc3 (16.c4 c5 17.cd5 Bb7–/+) 16...f6 17.ef6 gf6 18.Be2 e5 19.Bh5 (19.Rg1 Ba6–/+) 19...Kd8 20.Rg1 (20.Rd1!?–/+) 20...Nf5–+ 21.de5 (21.Kd2 ed4 22.ed4 Nd4–+) 21...Ne5 (21...Ne3!? 22.Rc1 fe5 23.Rg7–+) 22.Bc5 (22.Bc1 Rb8–/+) 22...Be6 (better is 22...Nd7!? 23.Bd4 c5 24.Bc5 Nc5 25.Nd5 Ra6–+) 23.e4–/+ Nh4 (better is 23...de4 24.0–0–0 Kc7 25.Ne4 Nd7–/+) 24.0–0–0+= Rg8 (24...Nd7!? 25.Bf2 Ng6 26.ed5 cd5 27.Nd5 Kc8+/–) 25.Rg8+/– (25.ed5?! Rg1 26.Bg1 cd5 27.Nd5 Bd5 28.Rd5 Ke7=) 25...Bg8 26.ed5 cd5 27.Nd5 Bd5 28.Rd5 Kc7 29.Bd4 Kc6 30.c4 Nd3 31.Kd2 Nb4 32.Rc5+– Kd6 33.a3 Nc6 34.Rd5 Ke6+= 35.Bf2 Ng6 36.Bg4+/– Kf7 37.Rd7 Nge7 38.Bf3 Ne5?? 39.Re7!+– (39.Re7 Ke7 40.Ba8 Nc4 41.Kc3+–; 39.Ba8?! Nd7 40.Kc3 Ne5+=) 1–0. Schiffler,L – Koehler, Zwickau, 1951.

7.Be2 a6 =.

7.Be2 e5 8.fe5 Ne5 9.Ne5 Be5 10.Be5 Qe5 11.Na3 Ng4 12.Bg4 Bg4 13.Qc1 d4 14.0–0 de3 15.de3 0–0 16.Rf4 Bf5 17.Nb1 Qa1 0–1. K Larsen – Rohde Jensen, Ballerup 1974.

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