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TESTA700 Release 2016-11-16
Send your 1.b4 games to me, please. Thank you! /Marek
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(c) Marek Trokenheim

1.b4 a5 2.b5 Nf6 3.Bb2 d6

(...)

4.a4 Bd7 5.e3 d5 6.Nf3 e6 7.d4 Bc8 8.Be2 Nbd7 9.0–0 Bd6 10.c4 c6 11.c5 Be7 12.Nc3 e5 13.de5 Ne4 14.e6! fe6 15.Ne4 de4 16.Nd2 0–0 17.Ne4 Nc5 18.Nc5 Bc5 19.Qc2 Qe7 20.bc6 bc6 21.Rac1 Bb4 22.Qc6 Bd7 23.Qe4 Ba4 24.Qe5?? (24.Bd3 g5 25.Qe5+–) 24...Bd6= 25.Qe4 Rfc8?? (better is 25...Bb4=) 26.Rc8 Rc8 27.Qa4 Bb4 28.Bd4 Rc2 (28...Qe8 29.Bb5 Qe7 30.Bb6+–) 29.Bg4 (better is 29.Qc2 Qd7 30.Bg4+–) 29...Rc8 30.Qb5 Rf8 31.Qb6 e5 32.Ba1 (32.Be6 Kh8 33.Be5 Rd8+–) 32...Qg5 (32...Kh8 33.Qc6+–) 33.Qe6 Kh8 34.h3 h5 35.Bh5! Qh5 36.Be5 1–0. surmavlod – grendd, kurnik, 2013.

4.a4 Nbd7 5.Nf3 e5 6.e3 Be7 7.Nc3 0–0 8.Bc4 c6 9.Be2 d5 10.Qb1 Re8 11.Ba3 e4 12.Be7 Qe7 13.Nd4 c5 14.Nf5 Qe5 15.Ng3 b6 16.h4 Nf8 17.h5 h6 18.Qb2 Bb7 19.0–0–0 d4 20.Nb1 Rad8 21.Rdg1 c4 (better is 21...Qe6!?–/+) 22.Bc4+= Qc5 23.Qb3 Bd5 24.Na3 Rc8 25.Bd5 Nd5 26.Nf5 Ne6 27.Rh4 Nb4 28.g4 Nc2! 29.Nc2 (29.Nc2 d3 Pinning (29...d3 Decoy); 29.Qc2 Qa3 Mate attack) 29...d3 30.Kb1? (better is 30.Kb2 dc2 31.Rc1 Qe5 32.Ka3–+) 30...dc2 (30...Qc2?! 31.Qc2 dc2 32.Kb2–/+) 31.Kc1 Qe5 32.Qb2 (32.Qa3 Nc5 33.Kc2 Na4 34.Kb1 Qb5 35.Ka1 Qe5 36.Nd4–+) 32...Nc5 33.Qe5 Nd3 (33...Re5?! 34.Kc2 Na4 35.Kd1 Rb5 36.Ne7 Kh7 37.Nc8 Rb1 38.Ke2 Rg1 39.g5–+) 0–1. Korobeynikov,Alexandr (1840) – Kalyndu,Aldynbek (2100), Novokuznetsk RUS, Siberia Ch (m), 2013.

4.c4 a4 5.a3 g6 6.Nc3 Bg7 7.Na4 0–0 8.Nc3 Nbd7 9.e3 Nb6 10.Qb3 e5 11.Nf3 Be6 12.Be2 c6 13.a4 d5 (13...e4 14.Nd4 c5 15.Ne6 fe6 16.0–0+/–) 14.cd5 (14.Ne5 Ne8 15.cd5 cd5+/–) 14...cd5 15.d4 (worse is 15.Ne5 d4 16.Qc2 dc3 17.Bc3 Nfd5–/+) 15...Nfd7 16.0–0 Qe7? (better is 16...e4 17.Ne1 Nc4 18.Bc4 dc4+=) 17.Ba3+– Qf6 18.Bf8 Bf8 19.de5 Ne5 20.Nd4 Nec4 21.Ne6 (21.Rfd1!? Bh6 22.Bc4 Nc4+–) 21...fe6 22.Rfd1 Bd6 23.e4 Qe5 24.g3 Bc5 (24...Na5 25.Qc2 Rc8 26.Rac1=) 25.ed5 ed5? (25...Rf8 26.a5 Rf2 27.Kh1 (27.ab6?? Re2 28.Kh1 Na5–+) 27...Re2 28.ab6–+) 26.Bf3 d4 27.Ne4 Be7 28.Nd2 Rc8 29.Rac1 Qf6 30.Kg2 Qf7 31.Nc4 Nc4 32.Rd4 Ne3 33.Qe3 Rc1 34.Qc1 Bc5 35.Qc5 (35.Qc5 Qf8 36.Bd5 Kg7 37.Qc7 Kf6 38.Rf4 Kg5 39.Qe5 Qf5 40.Rf5 Kh6 41.Qd6 Kg7 42.Qf8) 1–0. carocan (1665) – kreten1 (1760), kurnik, 2011.

4.c4 b6 5.Nf3 Bb7 (5...e5 6.d4 e4 7.Nfd2=) 6.e3 (6.Bf6 ef6 7.Nc3 Nd7+=) 6...e6 (6...e5 7.Be2=) 7.Nc3 Be7 8.Be2 0–0 9.0–0 Nbd7 10.d4 e5 (10...c6 11.bc6 Bc6 12.Bd3=) 11.Qc2+= ed4 12.Nd4 Nc5 13.Bf3 Qd7 (13...Bf3 14.Nf3 Re8 15.Nd4+=) 14.Nc6 (14.Bb7 Nb7 15.Nf5 Nc5+/–) 14...Rfe8 (14...Qe6 15.Ne2+/–) 15.Nd5 (15.Na4 Bd8 16.Nc5 bc5+/–) 15...Nd5 16.Bd5 (16.cd5 Bc6 17.bc6 Qd8+=) 16...Bf6 (16...Qg4!?+=) 17.Bf6+/– gf6 18.a4 Qg4 19.Ra3 Rac8 20.e4 Kh8 21.Bf7 Bc6= 22.bc6 Re7 23.Bd5+/– Rce8 24.Rg3 Qf4 25.Rf3 Qh6 26.Rh3 Qf8 27.Re1 f5+= 28.Rf3 Qf6= 29.g4 Qg7=+ 30.Rf5 Qg4–+ 31.Kh1 Rg7 32.e5 Reg8! 33.Qd1 Qf5 34.Bg8 Nd3 35.Rf1 Rg8 36.f4 de5 37.Rf3 Nf4 38.c5 Qe4 (39.cb6 Nh3 40.Qf1 Qf3 41.Qf3 Rg1#) 0–1. Teichgraber,Gerhard – Squarcialupi,D, corr ITA, 1969.

4.c4 c5 5.Nf3 e5 6.Nc3 Nbd7 7.e4 a4 8.Bd3 Nb6 9.a3 Be7 10.0–0 0–0 11.h3 Be6 12.Ng5 (12.Qe2!?+=) 12...Bc4–/+ 13.Bc4 Nc4 14.Qc2 Nh5 15.Nf3 Nb2 16.Qb2 Nf4 17.Kh2 f5 18.ef5 Rf5 19.Qa2 Kh8 20.Nd5 (20.Qc2 Qd7 21.Ng1 Rh5–+) 20...e4–+ 21.Ne7 Qe7 22.Ng1 Raf8 23.Rae1? (23.Qc2–+) 23...Ng2 24.Kg2 (24.Re2 Nf4 25.Re3–+) 24...Qg5 25.Kh1 Rf2 0–1. nimzo1 – PeterRs, ChessWorld.net, 2016.

4.d4 b6 5.c4 (5.Nf3 e6=) 5...Bf5 (5...Bb7 6.e3=) 6.e3 (6.f3 Bd7+=) 6...c6= 7.Nc3 e6 8.Nf3 Be7 (8...cb5 9.Nb5 d5 10.Rc1=) 9.Be2 (9.bc6 Nc6 10.d5 Nb4+/–) 9...0–0 10.0–0 Qc7 (10...cb5 11.Nb5 Ne4 12.d5+=) 11.Nd2 (11.Nh4 Be4+/–) 11...Nbd7 (better is 11...d5!?=) 12.g4 Bg6 13.g5 (13.bc6!? Nb8 14.d5+/–) 13...Ne8+= 14.bc6 Nb8 15.f4 (15.Bf3 Nc6 16.d5 Ne5 17.de6 Nf3 18.Qf3 Qd8+=) 15...Nc6= 16.Bf3 Rb8 (16...Rc8 17.Nb5 Qd7 18.e4=) 17.Nb5+= Qd7 18.e4 Nb4 19.Bc3 (19.Qe2 f5+=) 19...Nd3 (19...d5!?=) 20.Be2+= Nb4 21.Bb4 (21.Qb1 d5 22.a3 dc4 23.ab4 Qb5 24.ba5 Nd6+=) 21...ab4 22.Qb1 (22.Bg4 f5 23.gf6 Nf6=) 22...d5 (22...Nc7 23.Nc7 (worse is 23.Qb4 d5 24.Qc3 Nb5 25.cb5 de4+=) 23...Qc7 24.f5 (worse is 24.Qb4 d5 25.Qb3 de4+=) 24...Bg5 25.Qd3 (worse is 25.fg6 Bd2 26.gh7 Kh7–/+; 25.Qb4?! Be3 26.Kg2 Bd4+=) 25...ef5 26.ef5+/–) 23.f5 (23.cd5 ed5 24.f5 Bh5 25.Bh5 Bg5 26.Qb4 Be3 27.Kg2 Bd2 28.Qd2 Qb5+=) 23...ef5 (23...dc4 24.Bc4 ef5 25.ef5=) 24.ef5+= Bg5 25.fg6 Be3 26.Kg2 Bd2 27.Qc2 Bg5 (27...Bc3!? 28.gh7 Kh8 29.Nc3 bc3 30.Qc3 Rc8=) 28.gh7+/– Kh8 29.Rf5 Bh6 (29...Rc8 30.Qb1 Be7 31.Rd5+/–) 30.Rd5+– Qe6 31.Re5 Qc6 32.Bf3 Qd7 33.Rae1 g6 34.Rd5 Qc8 35.Re7 Kh7 36.Na7 Qa6 37.Nc6 Rc8?? 38.Ra7 Qa7 39.Na7 Rc7 40.Nb5 Re7 41.Nd6 Nf6 42.Rb5 Bf4 43.Rb6 (43.Rb6 Re6 44.c5+–) 1–0. Diener,Rudolf – Klugert,Eberhard, corr, 1985.

4.e3 c6 5.Nf3 g6 (5...e5 6.Be2=) 6.Be2 (6.Bf6 ef6 7.Be2 Bg7+=) 6...Bg7 7.0–0 0–0 8.c4 Nbd7 9.d4 Re8 10.Nbd2 e5 11.d5 (11.de5 Ne5 12.Qa4 Qb6+=) 11...c5 (11...cb5 12.cb5 e4 13.Nd4+=) 12.Qc2 (12.e4 a4+=) 12...Rf8 (12...e4 13.Ng5=) 13.Bd3 Ne8 14.Be2 f5 (14...Nef6 15.Rfb1+=) 15.a4 Nb6 16.Rad1 (16.Nb3 Nd7+=) 16...Kh8 (16...e4!? 17.Ne1 Bb2 18.Qb2 Na4+=) 17.h3 Qf6 18.Nh2 Qh4 19.Nhf3 Qe7 20.Nh2 Bd7 (20...Qh4=) 21.f4 (21.Bc3 Nf6+=) 21...h6 (21...ef4!? 22.Rf4 Qe3 23.Rf2 Bb2 24.Qb2 Nf6–/+) 22.Nhf3 (22.Rf2 ef4 23.Bg7 Ng7 24.ef4 Rfe8=) 22...Kh7 (better is 22...ef4 23.ef4 Qe3 (23...Qe2? 24.Bg7 Ng7 25.Rde1 Qe1 26.Re1+–) 24.Kh2 Qf4 (24...Qe2? 25.Rde1 Qf1 26.Bg7 Kg7 27.Nf1+–) 25.g3 Qe3 26.Bg7 Ng7=) 23.Nh2?? (23.fe5 de5 24.e4 Nd6+=) 23...g5?? (better is 23...ef4 24.Bg7 Qe3 (24...Kg7?! 25.Rf4 Qe3 26.Rf2+=) 25.Rf2 Ng7–/+) 24.fe5+= de5 25.e4 f4 26.Bg4 Nd6 27.Rde1 Qf7 28.Ndf3 Qg6?? 29.Ne5 Be5 30.Be5 Bg4? 31.Bd6+– Qd6 32.e5?? Qg6 33.Qg6+/– Kg6 34.Ng4 Nc4 35.e6 Nd6?? 36.e7+– Rf6 37.Nf6 Kf6 38.Re6 Kf7 39.Rd6 Ke7 40.Rh6 Kd7 41.Rc1 b6 42.Rb6 Re8 43.Rc5 Re2 44.d6 g4 45.Rc7 Ke6 46.d7 Ke7 47.hg4 f3 48.gf3 Re1 49.Kf2 Rd1 50.Rb8 Rd7 51.Rd7 Kd7 52.g5 Ke6 53.Rb6 Kf5 54.Ra6 Kg5 55.Ra5 Kf5 56.b6 Ke6 57.b7 Kd7 58.b8Q Kc6 59.Qb5 Kc7 60.Ra6 Kc8 61.Qc6 Kd8 62.Ra7 (62.Qb7 Ke8 63.Ra8) ½–½. ejdrzej (1855) – arayashiki (1825), kurnik, 2012.

4.e3 Bf5 5.d4 Nbd7 6.Nf3 e6 7.Bd3 Bd3 8.Qd3 g6 9.e4 Bg7 10.0–0 0–0 11.c4 Nb6 12.a4 Nfd7 13.Nbd2 e5 14.de5 Ne5 15.Qc2 Qe7 16.Rac1? (better is 16.Nd4=) 16...Nf3–+ 17.gf3 (better is 17.Nf3!? Bb2 18.Qb2 Na4 19.Qa3–+) 17...Bb2 18.Qb2 Na4 19.Qc2 Nc5 20.Kh1 Qf6 21.Ra1 b6 22.Ra3 Rfe8 23.Rg1 Re5 24.Nf1 Rg5 25.Rg5 Qg5 26.Ne3 Ne6 27.Nd5 Nf4 28.Nf4 Qf4 29.Qd1 Re8 30.Re3 (30.Qe1 Qh4–+) 30...Re5 31.Qf1 Rh5 32.Qg2 Qe5 33.Qg1 Kg7 34.Re1 (34.Ra3 f6 35.Ra2 Qf4–+) 34...Qf4 (better is 34...Qc3!? 35.f4–+) 35.Re3 h6 36.Qg2 (36.Qa1 f6 37.Qg1 Qe5–+) 36...Rc5 37.Qf1 Qe5 38.Re1 (38.Qc1 Qd4–+) 38...Qc3 39.Rc1 (39.Re3 Qc4 40.Qa1 f6 41.f4–+) 39...Qf3 40.Qg2 Qg2 41.Kg2 Kf6 42.f4 (42.Kf3 Rh5 43.Kg3 Ke5–+) 42...Ke6 43.Kf3 f5 44.h4 a4 (44...fe4 45.Ke3–+) 45.Ke3 fe4 46.Ke4 (46.Kd4 Rh5 47.Ke4 Rh4–+) 46...Rh5 (better is 46...Rc4! 47.Rc4 d5 48.Kd4 dc4 49.Kc4 Kf5–+) 47.Rh1 (47.Rg1 Kf6 48.Ra1 Rh4 49.Ra4 g5–+) 47...Kf6 (47...g5!? 48.f5 Kd7 49.Ra1 Rh4 50.Kd3–+) 48.Rh3 (48.Rh2 a3 49.Kd3 d5–+) 48...Rc5 49.Kd4 Kf5 (49...d5 50.h5 Rc4 51.Kd5 Rf4 52.hg6 Kg6 53.Rg3 Kf5 54.Rh3–+) 50.Rg3 (50.h5 d5 51.hg6 Rc4 (worse is 51...Kg6 52.cd5 Rb5 53.Rc3–+) 52.Kd5 Rc5 53.Kd4 Kg6–+) 50...a3 (better is 50...d5 51.cd5 Rb5 52.Kc4–+) 51.Ra3 Kf4 52.Ra8 g5 53.hg5 hg5 54.Rf8 Kg4 55.Rf7 Kg3 56.Rg7 (56.Rf8 d5! 57.cd5 Rb5–+) 56...g4 57.Kd3 (57.Rf7 Kh4 58.Rh7 Kg5 59.Ke3–+) 57...Kf3 58.Rf7 Kg2 59.Rg7 g3 60.Kd4 (60.Rf7 Rh5 61.Rc7 Kh2–+) 60...Kf2 61.Rf7 Kg1 62.Rg7 g2 63.Kd3 (63.Kc3 Kf2 64.Rf7 Kg3 65.Rg7 Kf3–+) 63...Kh2 64.Rh7 Kg1 65.Rg7 Rh5 66.Ke2 (66.Rc7 Kh1 67.Rg7 Rh4–+) 66...Kh2 67.Kf2 Rf5 (67...Rf5 68.Ke3 g1Q 69.Rg1 Kg1–+) 0–1. Koerner,Helmut (1910) – Gelman,Josef, 2rd Berlin Germany, Lichtenberger Somme, 2013.

4.Nf3 e5 5.e3 Nbd7 6.c4 e4 7.Nd4 Nc5 8.Qc2 Be7 9.Nc3 0–0 10.Ba3 Bg4 11.h3 Bh5 12.Nf5 Bg6 13.Ne7 Qe7 14.Nd5 Nd5 15.cd5 b6 16.Bc5 dc5 17.Bc4 Rad8 18.a4 Rd6 19.0–0–0 (19.0–0 Qg5+=) 19...f5 20.g3 Bf7 21.Qb3 Qe5 22.d3 Bd5 23.de4 Bc4 24.Qc4 Kh8 25.Rd6? (better is 25.f4!? Qe4 26.Qe4 fe4 27.Rd6 cd6 28.Rd1+=) 25...cd6–+ 26.Rd1 Qa1?? 27.Kc2= Qe5 28.Rd2 fe4–/+ 29.Qc3 Qe6 30.Qb3 Qb3 31.Kb3= Rf6 32.Kc4 g5 33.Kd5 Kg7 34.Kc6 Kf7 35.Kb6 c4 36.Ka5 d5 37.Rd5 Rf2 38.Rg5 Rf3 39.b6 Re3 40.b7 Rb3 41.Rb5 c3 42.Rb3 c2 43.Rc3 (43.Rc3 Kg6 44.Rc6 Kf5 45.b8Q c1Q 46.Qb5 Qc5 47.Qc5#) 1–0. ferminkatcho (1810) – ksuba, kurnik, 2012.

4.f4 Bd7 5.e3 c6 6.c4 d5 7.a4 (7.Nc3 e6=) 7...Qb6 (7...e6 8.Nf3=) 8.Qb3 (8.Nf3 Bg4=) 8...Be6 9.d4 (9.Nf3 Nbd7=) 9...dc4 10.Bc4 Bc4 11.Qc4 e6 12.Ba3 Ba3 13.Na3 0–0 14.Rc1 Nd5 15.Ke2 (15.Qb3 cb5 16.Nb5 Nc6=) 15...Nd7 16.Nf3 N7f6 (16...Rac8!?=+) 17.Ne5= Ne4 (17...cb5 18.Qb5 Qa7 19.Kf3=) 18.Nd7 (< 18.bc6 Qb2 19.Nc2 Ndc3 20.Kd3 Nf2 21.Kd2 Nce4 22.Ke2 Nh1 23.Rh1 Rfc8–+) 18...Qd8 19.Nf8 Qh4 20.Rhe1 Qf2 21.Kd3 Nb4 22.Ke4 Qg2 23.Ke5 Rd8 24.f5 (24.Nd7 Rd7 25.f5 Rd5 26.Qd5 Qh2 27.Ke4 Qg2 28.Ke5 Qg3 29.Ke4 ed5) 24...Nd3!! 25.Qd3 (25.Qd3 Rd5 Mate attack) 25...Rd5 26.Kf4 g5 27.fg6 Qf2 (28.Kg4 h5 29.Kh3 Qf3 30.Kh4 Qg4#) 0–1. Gerber,Klaus – Vandorffy,Jozsef, corr ICCF EU–H/23, 1956.

4.f4 Bg4 5.Nf3 =.

4.h3 e5=+ 5.e3 g6 (5...Be7 6.Be2=+) 6.c4 Bg7 7.d3 0–0 8.Nd2 Nbd7 (8...Qe7 9.Ngf3=) 9.Ngf3 Re8 10.Qc2 (10.Be2 Nc5=) 10...Nc5 (10...a4 11.Be2=) 11.Be2= b6 (11...a4 12.0–0=) 12.0–0 Bb7 (12...a4 13.Rad1=) 13.a4 (13.a3 e4 14.Ne1 ed3 15.Nd3 Nce4=) 13...Qe7 14.Nh2 Nfd7 (14...Qe6 15.Rae1=) 15.Ra3 (15.Rae1 Rac8=) 15...Nf8 (15...f5 16.Re1=) 16.Bf3 Bf3 (16...Nfe6 17.Bb7 Nb7 18.Nhf3=) 17.Ndf3 (17.Nhf3 Qf6+=) 17...Nfe6 (17...e4 18.Bg7 Kg7 19.de4 Qe4 20.Qc3 f6 21.Nd4=) 18.Rd1 (18.d4 Nd7=) 18...Nd3 (18...e4 19.de4 Bb2 20.Qb2 Ne4 21.Nd2=) 19.Rdd3 (19.Rad3 e4 20.Rd5 ef3 21.Bg7 Kg7 22.Nf3 Nc5=) 19...e4= 20.Rd2 ½–½. Fritz,Harry – Dieckmann,K, Aufstiegsturnier II/530, 1961.

4.a4 b6

5.d4 g6 (5...Bf5 6.e3=) 6.e3 Bg7 7.c4 0–0 8.Nf3 Bb7 (8...c5 9.bc6 Nc6 10.Be2=) 9.Bd3 Nbd7 10.0–0 c5 (10...Re8 11.Nc3+=) 11.d5 (11.bc6 Bc6 12.Nc3 Rc8+=) 11...e5 (11...e6 12.e4+=) 12.Nfd2 Re8 (12...Qe7 13.Nc3+=) 13.Nc3 Nf8 14.Re1 Bc8 15.h3 Bd7 16.Bc2 (16.Qf3 h6+/–) 16...Qc8 (16...h6 17.Qf3+=) 17.Qf3+/– h6 (17...Qc7 18.Rad1+/–) 18.Nde4 Ne4 19.Ne4 (19.Qe4? Bf5 20.Qf3 Bc2–+; 19.Be4?! Nh7+=) 19...Qc7 20.Nf6 Bf6 21.Qf6 Nh7 22.Qh4 Kg7 23.Rf1 Qd8 24.Qg3 Qg5 25.Qg5 Ng5 26.f4 Nh7 27.fe5 de5 28.g4 Ng5 29.Kg2 f6 30.Rf2 Rf8 31.Raf1 Rf7 32.Kg3 Raf8 33.h4 Nh7 34.h5 g5? 35.Bg6+– Bc8 36.e4 Bd7 37.Be5! 1–0. woschkat (1990) – rudy (1855), net–chess.com, 2001.

5.e3 Bb7 6.Nf3 g6 7.Be2 Bg7 8.0–0 0–0 9.c4 Nbd7 10.d4 Re8 11.Qb3 e5 12.d5 Nc5 13.Qc2 Nfd7 14.Nfd2 f5 15.e4 f4 16.f3 Nf6 17.Nb3 Ncd7 18.N1d2 Bc8 19.Ba3 g5 20.Rae1 Nf8 21.Rf2 Ng6 22.Nf1 h5 23.g3 g4 24.fg4 Ng4 25.Bg4 Bg4 26.gf4 Nf4 (worse is 26...ef4 27.Nfd2=) 27.Ne3 (27.Kh1 Nh3 28.Rg2–/+) 27...Qh4?? (better is 27...Nh3 28.Kh1 Nf2 29.Qf2 Rf8–+) 28.Rf4?? (28.Ng4 Nh3 29.Kh1 hg4 30.Rff1–/+) 28...ef4 29.Ng4?? Qe1 30.Kg2 hg4 31.Bb2 Bb2 32.Qb2 Qe4 33.Kg1 Qe3 34.Qf2–+ Qb3 35.Qf4 Re1 36.Kg2 Qf3! 37.Qf3 gf3 38.Kf3 Kg7 39.Kf2 Re4 (39...Re4 40.Kg2 Rc4 41.Kf2 Ra4 42.h4 Rf8 43.Kg3 Rff4 44.Kg2 Ra2 45.Kg3 Rb4 46.h5 Ra3 47.Kf2 Rb2 48.Ke1 Ra1) 0–1. popovicigelu – sefika, kurnik, 2012.

5.e3 e5 =.

4.a4 c5

5.c4 e6 6.Nc3 Be7 7.Nf3 d5 8.e3 d4 (8...0–0 9.Rc1=) 9.ed4+= cd4 10.Na2 Bc5 11.d3 (better is 11.Nc1!?+=) 11...0–0+= 12.g3 e5 13.Bg2 Qc7 14.0–0 Bg4 15.h3 Bh5 16.g4 Bg6 17.Ng5 (17.Nh4!?=) 17...h6+= 18.Nf3 Nbd7 19.Qd2 (19.Nh4 Bh7+=) 19...Rfe8–/+ 20.Nh4 Bh7 21.Nf5 Nb6 22.Be4? (better is 22.Qc2–/+) 22...Ne4–+ 23.de4 Na4 24.Bc1 Bf8 25.f3 Qc4 26.Rb1 Nc5 27.Ba3 Ne4! 28.fe4 Ba3 29.Rf3 Be7 30.Nc1 Bg5 31.Qd3 Qd3 32.Nd3 a4 33.h4 Bf5 34.Rf5 Bh4 35.Re5 Re5 36.Ne5 a3 37.Ra1 Bf6 38.Nd3 Be7 39.Kf2 Ra5 40.Ke2 Rb5 41.Kf3 Rb3 42.Ke2 b5 0–1. Baer,Cy (1895) – Valverde,Mario (2055), CiF, 2007.

5.Nf3 e5 =.

5.g3 e5 6.Bg2 =+.

5.g3 g6 6.Bf6= ef6 7.d4 b6 8.Bg2+= Ra7 9.Ra3 Bh6 10.dc5 dc5 11.Qd8 Kd8 12.Rd3 Rd7 13.Bd5 Kc7 14.c4 Re8 15.Nc3 f5 16.e3 Bb7 17.Nge2+= Rde7 18.Bb7 Kb7 19.Nd5 Re6 20.Nec3 Nd7 21.f4 Bg7 22.Ke2 Bc3 23.Rc3 Nf6 24.Nf6 Rf6 25.Rd1 Kc7 26.Rcd3 Re7 27.Rd5 Rfe6= 28.Kf2 Re3 29.Rd7=+ Rd7 30.Rd7 Kd7 31.Ke3 ½–½. Myrberg,Johnny – Sundqvist,JO, corr SSKK lag–SM 1990 div. II, 1991.

5.g3 g6 6.Bf6 ef6 7.d4 c4 8.d5 Ra7 (better is 8...Bg7!? 9.Nf3 Nd7=) 9.Ra3 (9.Qd4!? Ra8 10.Na3+/–) 9...Bh6. Myrberg.

5.g3 g6 6.Bf6= ef6 7.d4 Bg7!? =.

4.a4 c6

5.Ra3 cb5 6.ab5 e5 7.Rg3 Ne4 8.Re3 f5 9.Na3 Nd7 10.Qa1 Qe7 11.h4 (11.d3 Ng5 12.f4 Ne6–/+) 11...Ndc5 (11...d5 12.Nh3–/+) 12.h5 (12.Nc4!? Be6 13.Nb6+=) 12...f4–/+ 13.Reh3 (better is 13.Rf3!?–/+) 13...Bh3–+ 14.gh3? (14.Nh3 Na4 15.Nc4 Nb2 16.Qb2–+) 14...Qh4 15.Nf3 (15.Rh2 Nf2! 16.Nf3–+) 15...Qf2 16.Kd1 Ng3 17.Rg1 Nf1 18.Be5 Ng3 19.Bf4 Qe2 20.Kc1 Qf3 21.Bg3 0–0–0 (better is 21...Rc8 22.Kb1 Ne4 23.Be1–+) 22.Nc4 a4 23.Nb6 Kc7 24.Na4 Na4 25.Qa4 b6 (25...Qh5 26.Bf2 Rc8 27.Rg7 Bg7 28.b6 Kd8 29.Bh4 Qh4 30.Qh4 Ke8 31.Qa4 Kf8 32.Qf4 Kg8 33.Qd6=) 26.Qa7 Qb7 27.Qa4 Be7 28.Re1 Rhe8 (28...Rd7 29.h6 g6 30.Qd4–+) 29.Re3 (29.Qc4 Kb8–+) 29...Qh1 30.Kb2 (30.Re1 Qf3 31.Qa7 Qb7 32.Qa2–+) 30...Bf6 31.c3 Re3 32.Qc4 Kb8 33.de3 Qg2 34.Kb3 Qg3 35.Qc6 Qe3 36.Kb4 Qc5 37.Qc5 dc5 38.Kc4 Bc3! 39.Kc3 Rd5 40.Kc4 Rh5 41.Kc3 Rh3 42.Kc4 Rh1 (42...Rh1 43.Kd3 Rd1 44.Kc2 Rb1–+) 0–1. xtom (1610) – krakenisko (1695), kurnik, 2012.

5.e3 Nbd7 6.Nf3 Qb6 7.d4. nordlicht (1965) – prawnvindaloo, Gameknot.com, 2011.

5.g3 Bd7 6.Nc3 d5 7.Bg2 Qb6 8.e3 e6 9.Nge2 cb5 10.ab5 Bb5 11.Nb5 Qb5 12.Ba3 Ba3 13.Ra3 Qb4 14.Qa1 a4 15.c3 Qb5 16.Nd4 Qd7 17.Bf1 0–0 18.Bb5 Qd6 19.Ra4 Ra4 20.Qa4 Ne4 21.f3 Ng3 22.hg3 Qg3 23.Kd1 Qg2 24.Re1 e5 25.Ne2 Qf3 26.Qa7 d4 27.cd4 ed4 28.ed4 Qb3 29.Kc1 Qb5 30.Nc3 Qc6 31.Re7 Nd7 32.Kd1 Nf6 33.Qc5 Qf3 34.Kc2 Qg4 35.Qc7 Qg6 36.Kb3 b5 37.Qb6 Ne8 38.Qg6 hg6 39.Nb5 f5 40.Nc3 f4 41.Re2 f3 42.Rf2 Nd6 43.Kc2 Ne4 44.Ne4 Rf4 45.Kd3 Rf5 46.Ke3 1–0. wk1234 – jazda111, kurnik, 2014.

4.a4 e5

5.e3 e4 6.c4 Be7 7.Nc3 Nbd7 8.d4 ed3 9.Bd3 0–0 10.Nf3 Nc5 11.Bc2 Re8 12.Qd4 Bg4 13.Ng5 h6 14.h4 hg5 15.hg5 Ne6 16.Qd3 Ng5 17.f4 (17.f3 Bc8 18.Qd4–/+) 17...Nge4 18.g3 Bf5 19.0–0–0 c6 (Better is 19...Ng3 20.Qd2 Nh1 21.Rh1–+) 20.g4 Bg6 (Better is 20...Nf2!? 21.Qf5 g6–+ (21...Nh1 22.Rh1 g6 23.Qd3=; 21...Nd1 22.Nd5 Ne3 23.Nf6 Bf6 24.Rh8 Kh8 25.Qh7)) 21.f5 Nf2 22.Qe2 Nd1 23.Qh2 Bh5 24.Nd1 cb5?? (Better is 24...Rc8–+) 25.g5+= g6 26.fg6 fg6 27.Qh3 bc4?? 28.Qe6=+ Kg7 29.Nf2 Rc8 30.Ne4 c3 31.Bc3 Rc3 32.Nc3 Nh7 33.Rh5= Nf8 34.Rh7 Kh7 35.Qf7?? Kh8–+ 36.Ne4 Qd7 37.Bb3 d5 38.Bd5 Ba3 (39.Kd2 Qf7 40.Bf7 Re4–+) 0–1. Timmermans – Super_Forte, Dordrecht, 1998.

5.e3 e4 6.Bc4 Be7 7.Nc3 0–0 8.Nge2 d5 9.Bb3 Be6 10.Nf4 h6 11.Nce2 Nbd7=+ 12.0–0 Nc5 13.Nd4 Nb3 14.Nb3 Bd6 15.Ne6 fe6 16.Nd4 Qd7 17.Qe2 Rf7 18.Rac1 Raf8 19.Nb3 b6 20.Nd4 Qe8 21.Nc6 Nd7 22.d4 ed3 23.cd3+= Nc5 24.Qc2 Nd7 25.e4 Nb8 26.Ne5 Rf4 27.g3 R4f6 28.Ng4 Rf3= 29.Qc3 Qd7 30.Ne5 Be5 31.Qe5 Rc8 32.Rfd1 c6 33.Rd2 Rff8 34.Rdc2 c5 35.f4 Qf7 36.Qd6 Nd7 37.e5 Rcd8 38.h3 Qf5 39.Kh2 Rf7 40.Rf2 Re8 41.Rf3 Ref8 42.Rcf1 Kh7?? 43.g4+/– Qg6 44.f5! Qg5 45.Qe6 d4 46.Bc1 Qh4 47.Bf4 Qe7? 48.Qg6 Kg8 49.e6 Rf6 50.Qh5 Nb8 51.Be5 Qd8 52.Kg2 Qe7 53.Bf6 Rf6 54.h4 Qd6 55.Re1 Qe7 56.Rf4 Rf8 57.Rfe4 Kh8 58.Re5 Kg8 59.g5 hg5 60.hg5 Rc8 61.g6 Qb7 62.Kg3 Qc7 63.Qh7 Kf8 64.Qh8 Ke7+– 65.Qg7 Kd6 66.e7 Nd7 67.Re6 Kd5 68.Kf3 c4 69.Rd6! Qd6 70.Qf7 Qe6 71.Qe6 Kc5 72.Qc4 Kd6 73.Re6# 1–0. NN – SuperConstellation4, 1988.

5.e3 e4 6.Bf6 Qf6 7.Nc3 Qe5 =.

4.a4 g6

5.c4 Bg7 6.Nf3 0–0 7.e3 c6 8.Be2 b6 9.0–0 Bb7 10.d3 Nbd7 11.Nbd2 Qc7 12.Rc1 Rac8 13.Ng5 c5 14.Bf3 e5 (14...Rcd8 15.Qe2=) 15.Bb7+= Qb7 16.Qf3 Qc7 17.Nde4 Ne4 18.Ne4 Nf6?? 19.Nf6+– Kh8 20.Nd5 Qd7 21.Qg3 Rb8 22.Rb1 f5 23.Bc3 Kg8 24.Qh4 Kh8 25.Qh3 Kg8 26.Bd2 Kh8 27.d4 ed4 28.ed4 Bd4 29.Be3 Bg7 30.Nf4 Kg8 31.Rbd1 Rbe8 32.Nd5 Qe6 33.Nc7 Qe4 34.Ne8 Re8 35.Bg5 Qc4 36.Qg3 Be5 37.Qh4 Qa4 38.Qa4 Re6 39.Qc4 Kf7 40.Rde1 h6 41.Bf4 Kf6+– 42.Be5 Re5 43.Re5 de5 44.Re1 e4 45.Qd5 h5 46.Qc6 Kg5 47.g3 Kh6 48.h4 Kg7 49.Rd1 Kf7 50.Rd7 Ke8 51.Qc8# 1–0. stoker – michel, Live Game Caissa's Web, 2004.

5.e3 Bg7 6.Nf3 0–0 7.Be2 e5 8.0–0 Nbd7 9.c4 Re8 10.d3 (10.d4 ed4 11.Nd4 Ne4=) 10...Nc5 (10...e4 11.de4 Ne4 12.Bg7 Kg7 13.Nd4=) 11.Nbd2 (11.Nc3 Bg4=) 11...e4 (11...Bf5 12.e4 Be6 13.Nb3=) 12.de4 Nfe4 13.Qc1 (13.Bg7 Kg7 14.Ne4 Ne4=) 13...Nd2= 14.Nd2 (worse is 14.Qd2 Nb3 15.Qd1 Na1 (15...Bb2?! 16.Rb1=) 16.Qa1 Bb2 17.Qb2 b6–/+) 14...Bf5 15.Ra3 (15.Bg7 Kg7 16.Nb3 Nb3 17.Qc3 Kg8 18.Qb3 Be4=) 15...Qg5 (15...Bf6 16.Bf3=) 16.Nf3 Qe7 (16...Bb2 17.Qb2 Qe7 18.Rd1=) 17.Nd4 (17.Bg7 Kg7 18.Nd4 Qe5=) 17...Qd7 (17...Qf6 18.Rd1=) 18.Rd1 (18.Nb3 Bb2 19.Qb2 Nb3 20.Rb3 Be4+=) 18…h5 (18...Bg4 19.Nf3=) ½–½. Pfeiffer – Hochgraefe, corr DDR–H–46, 1967.

5.e3 Bg7 6.Nf3 0–0 7.Be2 e5 8.0–0 Re8 9.c4 b6 10.d4 ed4 11.ed4 Bf5 12.c5 (better is 12.Nc3!?+=) 12...dc5+= 13.dc5 bc5 14.Qd8 Rd8 15.Nh4 Be4 16.Nc3 Bb7 17.Bf3 Bf3 18.Nf3 Nbd7 19.Rac1 Nb6 20.Ne5 Rd2 21.Ba3 (better is 21.Ba1!?+=) 21...Nfd5–+ 22.Nd5 Rd5 23.Nc6 Bf6 24.Rc5 Rc5 25.Bc5 Na4 26.Ba3? (better is 26.Be7 Kg7 27.Bf6 Kf6 28.Ra1–/+) 26...Nc3–+ 27.Bb2? (27.Re1 Nb5 28.Be7 Be7 29.Ne7 Kg7 30.Re5–+) 27...Ne2 28.Kh1 Bb2 29.Re1 (29.Ne7 Kf8 30.Nd5 Rb8 31.Nc7 a4–+) 29...Nd4 (better is 29...Re8!? 30.Rf1 a4 31.Na5–+) 30.Ne7 Kg7 0–1. vihavald (1615) – fixedeye (1630), kurnik, 2012.

5.Bf6 ef6 6.e3 d5 =.

4.c4 c6

5.a4 cb5 6.ab5 Bf5 7.e3 Bb1 8.Rb1 g6 (8...e5 9.d4=) 9.d4 (9.Qf3 d5+/–) 9...Bg7 10.Nf3 Nbd7 11.Bd3 Rc8 12.0–0 0–0 13.Qe2 e5 (13...Qc7!?+/–) 14.de5 de5 15.Ne5 Ne5 16.Be5 Qe7 17.Bd4 Nd7 18.Bg7 Kg7 19.Qf3 (19.Ra1 Rfd8+/–) 19...b6 (19...Ne5!? 20.Qd1 Rfd8=) 20.Rbc1+= Ne5 21.Qe2 Rfd8 22.Rfd1 Qa3 23.Be4 Rd1 24.Qd1 (24.Rd1?! Rc4 25.Bd5 Rc1=) 24...Qb2 (24...Nc4!? 25.Bd5 Nd6 26.Rc8 Nc8+=) 25.Bd5+/– f5 (25...Nd3 26.Rc2 Qb4+/–) 26.f4 (better is 26.Rb1!? Qa3 27.Qd4+–) 26...Ng4+= 27.Qd4 Qd4 28.ed4 Ne3? (better is 28...Rd8!?+=) 29.Be6 Re8 30.Bd7?? (30.d5 h6 31.h3+–) 30...Re7?? (better is 30...Rd8 31.Bc6 Rd4+=) 31.Bc6+– Ng4 32.c5 bc5 33.dc5 Re2 34.b6 Rb2 35.b7 Nf6 36.Bf3 Ne4 37.c6 a4 38.c7 a3 39.c8Q a2 40.b8Q Rb8 41.Qb8 h5 42.Qe5 Kh6 43.Ra1 g5 44.Be4 fe4 45.Qg5 Kh7 46.Ra2 (46.Ra2 Kh8 47.Ra7 e3 48.Qd8; 46.f5 e3 47.f6 e2 48.Qg7) 1–0. marvis (1620) – f2023 (1645), playok.com, 2013.

5.a4 e5 6.e3 Be6 7.Nf3 Nbd7 8.Ng5 Qb6 (8...Bf5 9.d4=) 9.Ne6+= fe6 10.Nc3 Be7 11.Be2 0–0 12.0–0 Nc5 (12...d5 13.bc6 bc6 14.Rb1=) 13.d4+= ed4 14.ed4 Nce4 15.Ne4 Ne4 16.f3 Ng5 17.Kh1 cb5 (17...Bf6 18.Bd3+=) 18.cb5 (18.ab5 Bf6 19.Ra4+=) 18...e5 (better is 18...d5!?=) 19.de5+/– de5 20.Be5 Qe6 21.Bg3 Rad8 22.Qe1 Bc5 23.Rc1+/– Qe3?? 24.Bc4 Kh8 25.Qe3 Be3 26.Rcd1 Rd1 27.Rd1 b6? 28.Bb3 Rc8?? 29.h4 Nf3 30.gf3 Rc1 31.Rc1 Bc1 32.Kg2 Be3 33.Bf2 g6 34.Be3 g5 35.Bg5 h6 36.Bh6 Kh7 37.Be3 Kh8 38.Bb6 Kh7 39.Ba5 Kh8 40.Bc3+– Kh7 41.b6 Kh6 42.b7 Kh5 43.b8Q Kh4 44.Qg3 Kh5 45.Bf7 Kh6 46.Qg6 1–0. Fournier,Frederic (1690) – markymark (1685), Active (2/1), 2005.

5.Nf3 cb5 6.cb5 Bd7 7.e3 e5 8.Be2 Be7 9.0–0 Be6 10.Ng5 0–0 11.Ne6 fe6 12.Qb3 Nd5 13.Bf3 Qb6 14.Bd5+/– ed5 15.Qd5 Kh8 16.a4 Nd7+/– 17.Na3 Nf6+= 18.Qb3 Qd8 19.Nc4 b6 20.d4 e4 21.Rfc1 d5 22.Ne5 Bd6 23.f3 Rc8 24.fe4 Ne4? 25.Rc8 Qc8 26.Qd5 Qf5 27.Qc4?? Qf2–+ 28.Kh1 Qb2 29.Rf1 Nf2 30.Kg1 Be5 31.de5 Qd2 32.Qc1?? Qc1 33.Rc1–/+ Ne4 34.e6 Nc5 35.e7 Re8 36.Rd1 h6?? 37.Rd8+– (37...Kg8 38.Re8 Kf7 39.Rg8 Ke7 40.Rg7 Kf6 41.Rg4+–) 1–0. Dopper,Johan – Verduyn Den Boer, 1991.

4.c4 g6

5.e3 Bg7 6.d4 0–0 =.

5.e3 Bg7 6.Nf3 0–0 7.d4 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0–0 7.c4).

5.e3 Bg7 6.h4 0–0 7.Be2 h5 (7...c5 8.Nc3=) 8.Nf3 e5 9.d3 Bf5 (9...Nfd7 10.Nc3=) 10.Nbd2 (10.e4 Bg4=) 10...e4 (10...Nfd7 11.e4 Bg4 12.0–0=) 11.de4+= Ne4 12.Bg7 Nd2?? (better is 12...Kg7 13.Ne4 Be4 14.Qd4 Qf6+=) 13.Bf8+– (13.Kd2?! Kg7 14.Nd4 Qf6=; < 13.Nd2 Kg7 14.g4 hg4 15.Bg4 Qf6+=) 13...Nf3 14.Bf3 Kf8 (14...Qf8 15.Bb7 Ra7 16.Bf3+–) 15.Bb7 Ra7 16.Bf3 Nd7 17.g4 (17.Qd4 Qb8+–) 17...hg4 18.Bg4 Bg4 19.Qg4 Ne5 20.Qe4 Qf6 21.Ke2 a4 22.h5 gh5 23.Rh5 Nc4 24.Rb1 Qc3 25.Rd5 Nb6 26.Rd4 d5 27.Qf5 Qa3?? 28.Rh1 Ke7 29.Rh7 Qa2 30.Kf3 Kd6 31.Qf6 (31...Kd7 32.Rf7 Kc8 33.Rf8 Kd7 34.Rd8#; 31.Rf7?! Kc5+–) 1–0. Fritz,Harry – Sierig, corr DDR, 1960.

5.Nf3 Bg7 6.d4 0–0 7.Nbd2 e5 –+.

5.Bf6 ef6 6.Nc3 Bg7 7.d4 0–0 8.Nf3 Bg4 9.e3 Nd7 (9...f5 10.Be2+=) 10.h3 Bf3 (10...Bf5 11.g4 Be6 12.d5+=) 11.Qf3+/– (11.gf3?! c5 12.bc6 bc6=) 11...b6 (11...Rb8!?+/–) 12.Rd1 (12.0–0–0 a4+–) 12...f5 (12...Rc8 13.g3+–) 13.g4 fg4 14.hg4 Qf6?? (better is 14...h6+–) 15.Qh3 Rfd8 (15...Rfc8 16.Bg2 Rab8+–) 16.Nd5 (16...Qe6 17.Nc7+–) 1–0. Robert Edward (1865) – StephenHilton, internet, 2006.

5.Bf6 ef6 6.e3 Bg7 =.

4.d4 d5

5.e3 Bf5 6.c4 e6 7.c5 Be7 (7...b6 8.c6=) 8.Bd3 Bd3 9.Qd3 0–0 (9...e5 10.de5 Ne4 11.Nc3 Nc5 12.Qc2=) 10.Nf3 Ne4 11.0–0 Nd7 12.Nc3 Ndf6 13.Nd2 (13.Ne5 Nc3 14.Bc3 Nd7+=) 13...Nd2 14.Qd2 b6 15.Ba3 Rc8 16.Na4 Ne4 17.Qd3 f5 (17...bc5 18.Nc5 Rb8 19.Rab1 Bc5 20.Bc5 Nc5 21.dc5+=) 18.f3+/– Nf6 19.Rac1 Nd7 20.Rc2 c6 (20...Rf7 21.Rfc1 Qf8 22.Rc3+=) 21.Rfc1 (21.cb6!? Ba3 22.bc6 Nb6 23.Nb6 (< 23.Qa3 Nc4 24.Qc1 Rc6=) 23...Qb6 24.Qa3 Rc6 25.Rc6 Qc6 26.Qa5+/–) 21...cb5= 22.Qb5 bc5 (22...f4 23.e4 de4 24.fe4 bc5 25.Qa6=) 23.dc5 (23.Nc5 Bc5 24.dc5 Nf6+=) 23...Re8 (better is 23...Rb8!? 24.Qc6 Kf7=) 24.c6+/– Ne5 25.Be7 Re7? 26.Nb6 Rcc7+/– 27.e4 fe4 28.fe4 Nc4 29.Nc4+– dc4 30.Qc4 h6 31.h3 Re8 32.a4 Qd6 33.Qc5 Qc5 34.Rc5 Ra8 35.Rd1 Ra6 36.Rd6 Kf7 37.Kf2 Ke7 38.e5 Rb6 39.Ke3 Ra6 40.Kd4 Rb6 41.Rc4 Rb2 42.Kc5 Rb8 43.Rcd4 Rb1 44.Rd8 h5?? 45.h4 Rb2?? 46.R4d7+– Rd7 47.Rd7 Ke8 48.Rg7 Kd8 49.g4 hg4 50.Rg4 Rh2 51.Rg8 Kc7 52.Rg7 Kc8 53.Rh7 Rb2 54.h5 Kd8 55.Rd7 Kc8 56.h6 Rh2 57.h7 Rh1 58.Kb6 Rb1 59.Ka5 Rh1 60.Kb4 Rb1 61.Ka3 Ra1 62.Kb2 Rh1 63.a5 Rh3 64.Rg7 Rh2 65.Kc3 Rh3 66.Kc4 Rh4 67.Kc5 Kb8 68.a6 Rh1 69.c7 (69...Kc8 70.h8Q Rh8 71.a7 Kb7 72.c8Q Kc8 73.a8Q#) 1–0. Roczniak,Jan – Majewski,Jan, corr Poland, 1967.

5.Nf3 =.

4.d4 Nbd7

5.e3 e5 6.de5 (6.Nd2 e4=) 6...de5 7.Nf3 Bd6 8.Bc4 (8.Be2 0–0=+) 8...Nb6 9.Nbd2 Qe7 10.0–0 Bg4 11.Be2 Rd8 12.h3 (12.Qc1 0–0=+) 12...Bf3 13.Bf3? Bb4?? 14.c3= Nc4 15.cb4 Nd2 16.ba5 e4–/+ 17.Bf6 Qf6–+ 18.Be4 Ne4 19.Qc2 Qe7 20.Rfc1 Rd7 21.a6 ba6–+ 22.ba6 0–0 23.Rab1? Rd2 24.Qc7 Qf6 25.Qf4=+ Qf4 26.ef4 Ra2 27.Rb6 h6 28.Rc7 Ra8–+ 29.f3 Nf6 30.Rbb7–/+ R2a6 31.Rf7 Ne8 32.Rfe7 Rf6 33.Rb4 Rf7 34.Re2 Nf6 35.g3 Nh5 36.Kf2–/+ Ra3 37.Rb5 g6 38.h4 Rfa7 39.f5 Rf7 40.g4 Nf4 41.Re8 Kg7 42.Kg3 Ra4 43.Re4=+ ½–½. Diener,Rudolf – Schwarz,Hans, corr DDR, 1985.

5.e3 g6 6.Nf3 Bg7 7.c4 0–0 8.Be2 e5 9.Nc3 Re8 10.0–0 e4 11.Nd2 Nf8 12.Qc2 Bf5 13.h3 h5 14.a4 Ne6 15.Nd5 (15.Rfe1 c5 16.d5 Ng5+=) 15...c6 (15...Nd5 16.cd5 Nd4 17.Bd4 Bd4 18.ed4 e3+=) 16.Nf6+= Qf6 17.Rfb1 Qh4 18.bc6 bc6 19.Nb3 Qg5 20.Kh1 Qh4 21.Bf1 Bh3 (better is 21...Reb8!?+=) 22.gh3+/– Ng5 23.Qe2 Re6 24.Bg2 Rf6 25.Kg1 Nh3 26.Bh3 Qh3 27.Nd2 Re8 28.Qf1 Qh4 29.Qe2 (29.Qg2!?+=) 29...Rf5 30.Nf1 Rf3 31.Qe1 Re6 (31...Re6 32.Bc3 Qg5 33.Kh1 Ref6=). Wolf – Tiemann, Privatpartie, 1998.

5.Nf3 Nb6 =.

5.Nf3 g6 6.c4 Bg7 7.e3 0–0 8.Be2 b6 9.0–0 Bb7 10.Nbd2 e5 11.de5 de5 12.Ne5 Ne5 13.Be5 Qe7 14.Bb2 Rad8 15.Qc2 Rd7 16.Bf3 Rfd8 17.Rfd1 Rd2 18.Rd2 Rd2 19.Qd2 Bf3 20.gf3 h5 21.Rd1 Qe6 22.Qd8 Kh7 23.Qc7 Ne8 24.Qd7 Bb2 25.Qe6 fe6 26.Rd7 Kh6 27.Rb7 Nd6 28.Rb6 Nc4 29.Re6 Ne5 30.b6 Nf3 31.Kg2 Ng5 32.Rc6 Nf7 33.b7 Be5 34.Ra6 Bc7 35.Ra7 Nd6 36.Ra5 Ne8 37.Rb5 Bb8 38.a4 Nd6 39.Rb1 Kg7 40.a5 Kf7 41.a6 1–0. kaasparov (1635) – dinam0moskwa (1620), kurnik, 2013.

4.d4 Bf5

5.c4 e6 6.Nf3 h6 7.e3= Nbd7 8.Be2 b6 9.0–0+= Be7 10.Nbd2 d5 11.Rc1 0–0 12.a4 Bd6 13.Ne5 Ne4 14.f4 Ndf6 15.Nb3 Bb4 16.Bd3 Bd6 17.Qc2 Be5 18.fe5+/– Ng4 19.Rf3 Qh4 20.h3 Ng5 21.Rf5 Ne3=+ 22.Qe2 Nf5 23.Bf5 ef5 24.cd5 Rac8 25.Nd2 Rfe8 26.Rc6 Qg3 27.Kf1 f4 28.Rc3 Qh2 29.Qg4 f3 30.Nf3–/+ Nf3 31.Rf3 Qh1 32.Kf2 Qb1 33.Ba3 Qa2 34.Kg1 Qd5 35.Rc3 Rcd8 36.Rc7 Qd4 37.Qd4 Rd4 38.Bd6 f6 39.Rc6? fe5 40.Rb6 e4 41.Ra6 e3 42.Bg3 Ra4 43.Be1 Ra1 44.Kf1 e2 45.Kf2 Rf8 46.Ke2 Re8 47.Kd3 Rae1 48.Ra5 Rb1 49.Kd4 Rc8 50.Kd5 Rd1 51.Ke6 Re8 (52.Kf5 Rf1 53.Kg4 Re4 54.Kg3 Kf7–+) 0–1. Sundin,Thommy (1890) – Sandstroem,Samuel (1820), Soederhamn Sweden, 1988.

5.c4 g6 6.f3+= Bg7 7.e4 Bc8 8.Bd3 0–0 9.Ne2 Nbd7 10.0–0 e5 11.Nbc3 Re8 12.Nd5 c6 13.Nf6 Bf6 14.d5 cb5 15.cb5 Nc5 16.a4 Bg5 17.g4 Be3 18.Kg2= h5 19.h3 Bd7 20.Bc2 Rc8 21.Ra3 Bh6 22.Rc3 Qh4 23.Bc1 Bc1 24.Qc1 Kg7 25.Qe1 Qe1 26.Re1 Kh6 27.Rh1 Rf8 28.Ng3 Ne6=+ 29.Rc8 Nf4 30.Kg1 Rc8–/+ 31.Bd1 Rc1 32.Kh2 h4 33.Ne2 Ne2 34.Be2 Rc2 35.Re1 Ra2 36.Kg1 Ra4 37.Rc1 Rb4 38.Rc7 Bb5 (39.Bb5 Rb5 40.Rf7 a4–+) 0–1. Welti,Manfred (2090) – Ribelles Sala,Maria Magdalena (2200), corr Coppa Latina–6 bd09, 2003.

5.c4 g6 6.Nf3 Bg7 7.Nc3 0–0 8.e3 c5 9.Be2 Nbd7 10.0–0 Qc7 11.Nh4+/– Nb6 12.Nf5 gf5 13.Qd3 e6 14.f4 Rfd8 15.Rf3 Kf8 16.d5+= Ne4 17.Rh3 h6 18.Rb1 ed5 19.Nd5+/– Nd5 20.Qd5 Qd7 21.Rh5 (21...Bb2 22.Rb2+=; better is 21.Bf3+/–) 1–0. Becher – Lehmann, corr, 1972.

5.Nf3 e6 =.

4.e3 b6

5.c4 e5 (--> 4.e3 e5 5.c4 b6).

5.Nf3 Bb7 6.c4 c6 7.Be2 e5 8.0–0 Be7 9.a4 0–0 10.d3 h6 11.Nbd2 cb5 12.cb5 e4? (better is 12...Nbd7!?=) 13.de4+/– Ne4?? (better is 13...Nbd7+/–) 14.Ne4+– Be4 15.Nd2 (better is 15.Qd4 Bf6 16.Qe4+–) 15...Bb7 16.Bf3 d5 17.Nb3 Bb4 18.Nd4 Qf6 19.Rb1 Qg6 20.Bh5 Qg5 21.Bf3 Nd7 22.Nc6+/– Bc6 23.bc6 Nf6 24.Bf6+– Qf6 25.Qd5 Rfd8 26.Qe4 Rac8 27.Rfd1 Re8 28.Qd4 Bc5 29.Qc4 Rc7 30.Rd3 Rc6 31.Bc6 Qc6 32.Rbd1 Rf8 33.Qb5 Qb5+/– 34.ab5 a4 35.Kf1 a3 36.R3d2 Ra8 37.Ra2 Ra5 38.Rb1 Kf8 39.Ke2 Ke7 40.Kd3 Kd6 41.Kc4 Ra4 42.Kc3 Ke5 43.g3 g5 44.f4 Ke4 45.fg5 hg5 46.Rf1 f5 47.h4 gh4? 48.gh4?? Ke3 49.h5 Rh4 50.Rf5+– Ke4 51.Rc5! bc5 52.Ra3?? Rh5?? 53.Kc4+– Ke5 54.Kc5 Ke6 55.Kb6 Kd7 56.Rc3 Kd8 57.Ka6 Rh1 58.b6 Kd7 59.Kb7 Rb1 60.Rc7 Kd8 61.Rh7 Rc1 62.Ka7 Ra1 63.Kb8 Rb1 64.b7 Rc1 65.Rh8 Kd7 66.Rh7 Kd8 67.Rh8 Kd7 68.Rh7 Kd8= ½–½. ourang – sabitrexhepi, kurnik, 2012.

5.Bf6 ef6 6.Qf3 Ra7 +=.

4.e3 c5

5.Nf3 e5 6.d3 b6 7.c4 Be7 8.Nc3 0–0 9.Be2 Bb7 10.0–0 Nbd7 11.Qc2 Ne8 12.d4 f5 13.de5 de5 14.Nd5 e4 15.Ne7 Qe7 16.Ne1 Nd6 17.Qc3 Rf6 18.Rd1 Re8 19.Bh5 Rd8= 20.a4 Rh6 21.Be2 Rf8 22.Nc2 Rg6 23.Rd2 Qg5 24.g3 f4 25.ef4+/– Rf4 26.Rfd1 Rff6 27.Qe3 Re6 28.Qg5 (28...Rg5 29.Rd6 Rd6 30.Rd6+–) 1–0. Woschkat,Karl_Heinz – Andre,Karl, corr SOK–91–71, 1991.

5.Nf3 e5 6.d3 Be7 7.c4 0–0 8.Nc3 b6 9.Be2 Bb7 10.0–0 Nbd7 11.Qc2 Qc7 12.Nh4 (12.e4 Rfe8+=) 12...d5 (12...Rae8 13.Bf3+=) 13.Nf5 Rae8 14.e4 (14.cd5 Nd5 15.f4 A) worse is 15...ef4 16.Nd5 (worse is 16.Ne7 Ne7 17.ef4 Nf5+=) 16...Bd5 17.e4+/– (17.Rf4?! Bf6=); B) 15...Bf6=) 14...d4 15.Na4 Bd8 (15...Bc8 16.Qd2=) 16.Bc1 Re6 (16...Bc8 17.Qd2=) 17.Bd2 Rfe8 18.a3 Nf8 (18...Be7 19.Ne7 R8e7 20.f4=) 19.f4 N6d7 (19...N8d7 20.fe5 Ne5 21.Rf2=) 20.Ng3 ef4 (20...Be7 21.Bg4 Rf6 22.Nf5=) 21.Bf4+= Ne5 22.Bg4 Rf6 23.Nf5 Bc8 24.Qd2 Nfg6 25.Bg3 Qb7 26.Bh3 Bf5 27.ef5 Nf8 28.Rae1 Nfd7 29.Re4 Bc7 30.Bf4 h6 31.Nb2 Bd6 32.Rfe1 Qc7 33.Qe2 g6 34.fg6+– Rf4 35.Rf4 Nf3 36.Rf3 Re2 37.gf7 Kf8 38.Re2 Bh2 39.Kh1 Ne5+/– 40.Rf5 Bg3 41.Bg4 Qd7 42.Re4 Ng4 43.Re8 Qe8 44.fe8Q Ke8 45.Rf3 Bc7 46.Nd1 Ne5 47.Rh3 Bd8 48.Kg1 Bg5 49.Nf2 a4 50.Kf1 Kf7 51.Ke2 Bc1 52.Rh1 Ba3 53.Ra1 Bb4 54.Ra4 Ba5 55.Ne4 Nd7 56.Ra1 Kg6 57.Rf1 Ne5 58.Rf8 Ng4 59.Ra8 1–0. Vassen,Jack – Wall,Bill, Carel CF–01 Correspondence, 2005.

4.e3 Bd7

5.Nf3 e5 6.a4 g6 (6...Be7 7.Be2=) 7.Be2 Bg7 8.c4 h6 (8...Bg4 9.d4+=) 9.0–0 g5 (9...Bg4 10.d4+=) 10.d3 (10.d4 g4 11.Nfd2 ed4 12.Bd4 0–0+=) 10...g4 11.Ne1 h5 12.g3 (12.f4!?+=) 12...h4= 13.Ng2 hg3 14.fg3 Be6 15.Nh4 Nbd7 16.Nd2 (16.Nf5 Bh6 17.Nh6 Rh6=) 16...Bh6 17.e4 (17.Ng2 c6=) 17...Bg5 (17...Nc5 18.Bc3+=) 18.Nf5= Bf5 19.Rf5 Be3 20.Kg2 Qe7 (20...Rg8 21.Nf1 Bc5 22.Bc1+=) 21.Nf1 Bb6 22.Bg4 Ng4 23.Qg4 0–0–0 24.Qf3 Rdg8 25.Rf7+/– Qh4 26.Qf5?? Qh6 27.Rd7 Kb8?? 28.Rf7 Qd2 29.Nd2 Rh2 30.Kh2 Rg3 31.Kg3 Bd4 32.Bd4 b6 33.Bb6! c5 34.Qd7 d5 35.Qb7 1–0. Fournier,Frederic (2020) – damaxzelix (1785), Active, 2004.

5.Nf3 g6 6.Be2 Bg7 7.0–0 0–0 8.c4 c6 9.a4 cb5 10.cb5 b6 11.d4 Be6 12.Nbd2 Nbd7 13.Rc1 Rc8 14.Rc8 Qc8 15.Qb1 Qb7 16.h3 Bf5 17.e4 (better is 17.Bd3 Bd3 18.Qd3=) 17...Ne4–/+ 18.Ne4 Be4 19.Qa1 Nf6 20.Rc1 Nd5 21.Nd2? (better is 21.Qa3–/+) 21...Nf6?? (better is 21...Bg2 22.Qa3 Nf4–+) 22.Bf3 (22.Nf3 Nh5 23.Rc3–/+) 22...Bf3 23.Nf3 Rc8 24.Rc8 Qc8 25.d5 Qc5 26.Bd4 Qc7 27.g4 Bf8 28.Bf6= ef6 29.Qf6 Qc1 30.Kg2 Qc5 31.h4 Bg7 32.Qd8= Bf8 33.Qa8 Kg7 34.Qc6 Qb4 35.Kg3 Qa4 36.Qb6+= (36.Qb6 Kg8 37.Qb7=) 1–0. ejdrzej (1630) – sanytramaz, kurnik, 2013.

4.e3 Nbd7

5.Nf3 e5 6.Be2 Be7 7.0–0 0–0 8.d4 e4 9.Nfd2 d5 10.c4 dc4 11.Nc4 Nd5 12.Nbd2 f5 13.Rc1 a4 14.a3 N7f6 15.Qc2 Be6 16.f3 ef3 17.Rf3 Qe8 18.Bd3 g6 (worse is 18...Qb5 19.Bf5 Bf5 20.Qf5+/–) 19.Ne5 Bd6 (19...Ng4 20.Ng4 fg4 21.Rf8 Qf8 22.e4+/–) 20.Rcf1+= Rd8 21.h3 Qe7 22.e4 fe4 23.Ne4 Ne4 24.Be4 Rf3 25.Rf3 Qg5 26.Bc1+= Qh4 27.Kf1 Kg7 28.Nc4 Re8= 29.Nd6 cd6 30.Bd2 Bg8 31.g4 Qe7 32.Bd3 Rf8 33.Be4 Rf3 34.Bf3 Ne3 35.Be3 Qe3 36.Qc7 Kh8 37.Qb7 Qa3 38.b6 Qa1 39.Kg2 Qb2 40.Kg3 Qd4 41.Qc8 ½–½. Rosner,Dirk (2175) – Valverde,Mario (2055), CiF, 2006.

5.Nf3 g6 6.d4 Bg7 7.c4 0–0= 8.Be2 e5 9.de5 Ng4 10.0–0 Nde5 11.Ne5 Ne5 12.Qc2 Be6 13.Nd2 f5 14.Rfd1 Qe7 15.h3 b6 16.Rac1 Rae8 17.f4 Nf7 18.Qd3?? Bb2–+ (19.Rc2 Bg7–+) 0–1. Hilton,Stephen – De Melo,Gerson Luis, WCCF, 2002.

5.Nf3 g6 6.Be2 Bg7 7.d4 0–0 8.0–0 e5 9.c4 Re8= 10.Nc3 ed4 11.ed4 Ne4 12.Ne4+= Re4 13.Bd3 Re8 14.Qc2 Nf6 15.Rfe1 Re1 16.Re1 Bg4 17.Nd2 Qf8 18.Nf1 Re8 19.Re8 Qe8 20.Ne3 Bd7 21.Bc3 Ng4 22.Qe2 Ne3 23.fe3 b6 24.Qf3 Bh6 25.Kf2 Bg4 26.Qe4 Qe4 27.Be4 Kf8 28.c5 dc5 29.dc5 Bg7 30.Bd4 Bd4 31.ed4 Ke7 32.Kg3 Be2 33.Bc6 Bc4 34.a3 h6 ½–½. Nokka,Risto – Koskinen,Henri, Jyvaskyla, 1987.

4.g3 e5

5.Nf3 e4 6.Nd4 c5 7.bc6 Nc6 +=.

5.Bg2 Nbd7 6.c4 (6.Nf3 Be7=) 6...Nb6 (6...Be7 7.d4=) 7.d3 Be7 8.Nc3 (8.Nf3 0–0=) 8...0–0 9.a4 (9.Nf3 e4 10.Nd4 ed3 11.ed3 d5 12.cd5 Bc5+=) 9...Re8+= 10.e4 (10.Nf3 e4 11.Nd4 ed3 12.Qd3 Nfd7–/+) 10...c6 11.bc6 (11.Nf3 Bg4+=) 11...bc6 12.Nf3 Bg4 (12...Rb8 13.Rb1+=) 13.0–0 (13.h3 Be6+=) 13...Qd7 14.Qd2 h6 (14...Reb8 15.Rab1+=) 15.Rfe1 Nh7 (15...Reb8 16.Reb1+=) 16.Nd1 Ng5 (16...c5 17.Qc2+=) 17.Ng5 Bg5 18.f4 ef4 19.gf4 Bh4 20.Nf2 Bh5 (20...c5 21.Reb1 Bf2 22.Qf2 Na4 23.Bg7 Kg7 24.Qc2=) 21.Reb1+= Ra6 (21...Qc7 22.Qe3+=) 22.Bc3 Qa7 23.Rb3 (23.Qe3 Nd7 24.Qa7 Ra7+=) 23...d5 (23...Nd7 24.Rb2=) 24.Bd4 (24.ed5? Re2 25.Qe2 Be2–+; 24.cd5?! Nd5 25.d4 Nc3 26.Rc3 Be7=) 24...dc4 25.Rb2 (25.dc4 Nc4 26.Qc3 c5 27.Bg7 Nd6 28.Bh6 Bf2 29.Kf2 c4 30.Kf1 Nf5 31.Qc4 Rd6–/+) 25...Qc7 26.Be3 (26.Qc3 f6=) 26...Rd8 (26...Qd8 27.d4+=) 27.Qc2= Rd6 (better is 27...cd3!? 28.Nd3 Nd7=) 28.dc4+= Bf2 (28...Rd8 29.Rab1 c5 30.Rb5 Bf2 31.Kf2+/– (31.Bf2 Qf4 32.Bc5 Na4–+)) 29.Bf2 Nd7 (29...c5 30.Rab1+=) 30.e5 (30.Rab1 c5+/–) 30...Rg6 31.Rab1 (31.Qd3 c5+/–) 31...Bf3 32.Qg6! fg6 33.Rb7 Qb7 (33...Qc8!? 34.Bf3 Qe8+/–) 34.Rb7 Bg4 (34...Bg2 35.e6 (35.Rd7?! Bh3 36.Rd8 Kf7+/–) 35...Nf6 36.Rb8 Kh7 37.Kg2+–) 35.Rc7 Nf8 (35...g5 36.Bc6 Rc6 37.Rc6 gf4 38.Bd4+–) 36.Bc6 Ne6 (36...Kh7 37.Bb7 Re6 38.Bd5+–) 37.Rc8 Kh7 38.Bb7 (38.Bb7 Nf4 39.Ba6 Nh3 40.Kg2 Nf4 41.Kg3 Bc8 42.Bc8+–) 1–0. Hecht,Hans Joachim – Schaefer,H, corr, 1958.

5.Bg2 Be7 6.d4 e4 7.d5 =.

5.Bg2 g6 6.c4 Bg7 7.Nc3 Nbd7 8.Na4 0–0 9.Qc2 Re8 10.e3 Nh5 11.Ne2 f5 12.0–0 e4 13.Bg7 Ng7 14.f3 ef3 15.Bf3 Ne6 16.Bd5 Kg7 17.e4 fe4 18.Qe4 Nf6 19.Qg2 Nd5 20.Qd5 Qg5 21.Nf4 (21.Nf4 Nf4 22.Qd4 (22.Qg5?? Nh3 23.Kh1 Ng5–+) 22...Qe5 23.Qf4+=). Lielmezs,Girts – Tamashiro,Ariel, IECG, 2003.

4.c4 Nbd7

5.e3 b6 6.Nf3+= e6 7.Nc3 Bb7 8.Be2 g6 9.Qc2 c5 10.0–0 Qc7 11.Rfd1 h6 12.d4 Rh7 13.d5+/– ed5 14.Nd5 Nd5 15.cd5 Bg7 16.Qe4 Kf8 17.Rab1 Nf6 18.Qh4 Nd5 19.Bc4 Nc3 20.Ng5 Kg8? 21.Bf7+– Kh8 22.Nh7 Kh7 23.Bc3 Bc3 24.Qc4 Be5 25.Bd5 Rd8 26.a4 Bc8 27.f4 Bf6 28.Be6 Kg7 29.Rd3 Bb7 30.Bd5 Bc8 31.Rbd1 Qe7 32.Qe4 Bf5 33.Qe7 Be7 34.e4 Bg4 35.R1d2 Rf8 36.g3 Bf6 37.Kg2 Bd4 38.Rd4 cd4 39.Rd4 g5 40.h3 Bh5 41.g4 Bg4 42.hg4 Rf4 43.Be6 Kf6 44.Bf5 Ke7 45.Rc4 Kf6 46.Rc6 Ke5 47.Rb6 d5 48.Rh6 (48...de4 49.Re6 Kd4 50.Re4 Re4 51.Be4+–; 48.Re6 Kd4 49.b6 Ke3 50.ed5 Kd2+–) 1–0. Nielsen,Joergen Axel – Jensen,A, corr DSU Pokal, 1974.

5.e3 e5 (--> 4.e3 e5 5.c4 Nbd7).

5.e3 g6 6.d4 Bg7 7.Nf3 0–0 8.Be2 e5 9.0–0 Qe7 10.Nc3 c6 11.a4 Re8 12.de5 Ne5= 13.Ne5 de5 14.Qc2 e4 15.Rad1 Bg4 16.Rd2 Be2 17.Ne2 Red8 18.Rfd1+= Rd2 19.Qd2 Ng4 20.Bg7+= Kg7 21.Qd4 Nf6 22.Qb6 c5 23.Nc1 Ng4 24.h3 Qf6 25.Qf6 Nf6 26.Rd6 Ne8 27.Rd7 b6+= 28.Ne2 Rb8 29.Nc3 Nf6 30.Rd6 Rb7 31.Nd5 Nd5 32.Rd5 Re7 33.g4 Re6= 34.Kg2 h6 35.h4 Kf8 36.Kg3 Ke7+= 37.g5 hg5 38.hg5 Ke8 39.Kf4+/– Kf8 40.Rd8 Ke7+= 41.Rc8 Kd7 42.Rc6 Rc6 43.bc6 Kc6 44.Ke4 Kd6 45.f3 Ke6 46.f4 Kd6 47.Kf3 Ke6 48.e4+/– Kd6 49.f5 Ke5 50.f6?? Kd4=+ 51.Kf4 Kc4 52.Ke3 Kb3 53.e5 c4 54.e6 c3 55.ef7 c2 56.Kd2 Kb2 57.Kd3 c1Q 58.f8Q Qc2 59.Kd4 Qa4–/+ 60.Kd5 Qb5=+ 61.Ke6 Qg5 62.Qe7 Qf5–/+ 63.Kd6 a4?? 64.f7+– Qc5 65.Kd7 Qe7 66.Ke7 a3 67.f8Q a2 68.Qf6 Kb1 69.Qb6 (69...Kc1 70.Qc5 Kb2 71.Qb4 Kc2 72.Qa3+–) 1–0. Piszcz,Kazimierz – Gajda,Leszek, corr 2. AMM Poland, 1994.

5.g3 e5 6.Bg2 g6 7.Nc3 Bg7 8.Nf3 0–0 9.0–0 h6 10.Rc1 Re8 (10...Nc5 11.d4 ed4 12.Nd4=) 11.Qc2 (11.d4 ed4 12.Nd4 Nc5=) 11...Nc5 12.d3 Bd7 (12...a4 13.a3=) 13.e4 (13.Nd2 Bf5=) 13...Qc8 (13...c6 14.Rb1=) 14.Rfe1 Bh3 15.Bh1 (15.Nd5 Bg2 16.Kg2 Nfd7=) 15...Qd7 (15...Qg4 16.Nd5 Rac8 17.d4 ed4 18.Nd4=) 16.a4 (16.Na4 Ne6=) 16...Rf8 (16...c6 17.Rb1=) 17.d4 ed4 18.Nd4 Rae8 19.Rcd1 (19.Nd5 Bg4=) 19...Qc8 20.Ba3 (20.b6 c6 21.Nb3 Nb3 22.Qb3 Rd8+=) 20...Nfd7 21.Nd5 Bg4 22.f3 Be6 23.Nf4 Ne5 (23...Bd4 24.Rd4 Kh7 25.Rdd1+=) 24.Nd5 (24.Nfe6 Ne6 25.Bb2 Nc5+=) 24...c6 (24...Ned7 25.Bb2=) 25.Ne3+= Rd8 (25...Ned7 26.f4 Bh3 27.bc6 bc6 28.Nb3+/–) 26.f4+/– Ng4 27.Ne6 (27.bc6 Ne3 28.Re3 Bg4 29.cb7 Qb7+/–) 27...Ne3+= (worse is 27...Qe6 28.Ng4 Qg4 29.e5 cb5 30.cb5+– (30.ed6?! b4 31.Bb2 Bb2 32.Qb2 Na4+=)) 28.Re3 Qe6 (28...Ne6!? 29.e5 c5+=) 29.e5!+/– cb5 (29...Qe5 30.fe5) 30.Bc5 (30.cb5!? Rfe8 31.Bd5+–) 30...dc5+= 31.Bd5 Qd7? 32.ab5 b6?? 33.Rde1 Kh8 34.Kg2 Rde8? 35.h4 Qc7 36.h5+– g5 37.Qf5 Qc8 38.Qc8 Rc8 39.f5 Kg8 40.f6 Bh8 41.Kf3 Rc7 42.Kg4 Ra7 43.Kf5 Kh7 44.Rd1 Rd7 45.Red3 Rfd8 46.g4 Kg8 47.Bf7! (47.Bf7 Kf8 48.Rd7 Bf6 49.Kf6 Re8 50.Rd8 Rd8 51.Rd8) 1–0. Dzieniszewski,Andrzej – Meszaros, Burgas, 1987.

4.c4 e5

5.Nc3 Be7 6.e4 =+.

5.d3 Nbd7 6.Nf3 g6 7.g3 Bg7 8.Bg2 0–0 9.0–0 Rb8 10.e4 b6 11.Nc3 Nc5 12.Nd5 Be6 13.Ba3 Bg4 14.Bc5 dc5 15.h3 Bf3 16.Bf3 Nd5 17.cd5 (better is 17.ed5!? e4 18.de4 Ba1 19.Qa1=) 17...Qd7–/+ 18.Bg4 Qb5 19.Rb1 Qe8 20.f4 h5 21.Be2 ef4 22.gf4 Qe7 23.Qe1 Rbd8 24.Qg3 Kh8 25.Kh1 Bf6 26.Rg1 Bh4 27.Qg2 Rg8 28.Rbf1 Rde8 29.Qf3 c4 30.dc4 (better is 30.Rc1!?=) 30...Qe4–/+ 31.Qe4 Re4 32.Bd3 Rd4 (better is 32...Re3 33.Rd1 Rh3 34.Kg2 Re3–+) 33.Rf3–/+ Re8 34.f5 g5 35.f6 Re5 36.Kg2 Be1 37.a4 Bd2 38.Rgf1 Bf4 39.Kf2? h4 40.Re1?? Re1 41.Ke1+= Bg3 42.Ke2 Rf4 43.Bf5 Rf3 44.Kf3 Be5 45.Ke4 Bf6 46.Bd7 Be7 47.Kf5 Kg7 48.Bc8 Kf8 49.Bd7 Kg7 50.Kg4 f6 51.Bf5 Bd6 52.Kf3 Be5 53.Ke4 Kf7 54.Be6 Ke7 55.Bg4 Kd6 56.Be2 Kc5 57.Kd3 Kb4 58.Bd1 Bd6 59.Bc2 g4! 60.Kd4 gh3 61.Be4 h2 62.c5 Bc5 63.Kd3 Ka4 64.Kc4 Ka3 65.Kc3 a4 66.Kc2 Bd6 67.Kc3 b5 68.Kc2 (68.Kc2–+). bratek55 (1730) – soptik26 (1745), kurnik, 2011.

5.d4 ed4 6.Bd4 =.

5.d4 e4 6.Nc3 =.

5.e3 (--> 4.e3 e5 5.c4).

5.e3 Be7 6.Nf3 0–0 7.Be2 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 a5 7.b5).

5.Nf3 e4 6.Nd4= c5 7.bc6 Nc6 8.e3 Bd7 9.d3= Nd4 10.Bd4 Bc6 11.Nc3 ed3 12.Qd3 d5 13.Rd1 dc4 14.Qc4 Nd7 15.e4 Rc8 16.Qb3 Bb4 17.Bc4 Bc3 18.Bc3+= 0–0 19.f3 Be4? 20.0–0?? Bc6 21.Qc2 b5 22.Bd3 g6 23.Qd2 b4 24.Bb2 Qe7 25.Rfe1= Qc5 26.Kf1 Rfe8 27.Qh6 f6 28.Qh4 Re1 29.Re1 Bb5 30.Bb5 Qb5 31.Kg1 Qd5 (32.Bd4 Qa2 33.Bf6 Nf6 34.Qf6 a4–+) 0–1. Figiel,Rafal – Van Rooijen,Peter, or01–004 E–mail, 2001.

5.Nf3 Be7 6.Nc3 =+.

5.Nf3 Bg4 6.d3 Be7 7.Nbd2 0–0 8.Qc2 Nbd7 9.e3 Nc5 10.Be2= Re8 11.a4 Nfd7 12.0–0 Bf6 13.Rfe1 Nb6 14.Kh1 Ne6 15.Ng1 Be2 16.Ne2 Bh4 17.Ng3 Qf6 18.Rf1 Nd7 19.Nde4 Qg6 20.f4? ef4–/+ 21.ef4 f5 22.Nc3 Bg3 23.hg3 Qg3 24.Ne2–/+ Qh4 25.Kg1 Nf6 26.Bf6 Qf6 27.Qc3 Qc3 28.Nc3 c6 29.Rab1 Nc5 30.Rf3 Re7 31.bc6 bc6 32.Rb6 Rc8 33.d4=+ Ne4 34.Re3 Kf7 35.Nb1 c5 36.d5 Ree8 37.Reb3 h6 38.Rb7 Kf6 39.Kh2 g5 40.g3 Nf2 41.Rb2 Ng4–+ 42.Kh3 Ne3 43.Na3 gf4–+ 44.gf4 Ng4?? 45.Nb5= Rcd8 46.Rb6 Re3 47.Kg2 Ke7–/+ 48.Na7 Ke8 49.Nc6= Rd7 50.Rb8 Kf7 51.Ra8?? Re4 52.Nd8? Ke7?? 53.Ne6? Rc4–+ 54.Rbb8? Ne3 55.Kh2 Nd5 56.Nd8 Ra4 57.Nc6 Kf6 58.Rf8 Kg6 59.Rg8 Kh5 0–1. Alderden,Dirk – Harjunpaeae,Veikko, corr ICCF–Cup8/9 V021, 1990.

5.Nc3 g6

6.e3 Bg7 7.Nf3 0–0 8.Be2 Nbd7 9.d4 ed4 10.ed4 Re8 11.0–0 Nf8 12.Bd3 Ne6 13.Qd2 Nh5 14.Rae1 Nef4 15.Bb1 Bg4 16.Re8 Qe8 17.Ng5 Qe7 18.Nge4 Qh4 19.f3+= Bd7 20.Rd1 b6 21.Qf2 Qf2+= 22.Kf2 f5 23.Ng3 Ng3 24.hg3 Ne6= 25.Nd5 c5?? 26.bc6+– Bc8 27.Rd2 Ba6 28.Ne3 Rc8 29.d5 Nc5 30.Bg7 Kg7 31.Bf5 Rf8? 32.Bc2 Rf7 33.Rd1 b5 34.cb5 Bb5 35.Rb1 Ba6 36.Rb8 Rb7 37.Rd8 Kf7 38.f4 a4 39.f5 Ke7?? 40.Ra8 Bd3?? 41.Ba4 gf5?? 42.Bc2 (42...Rb2 43.c7 Ne4 44.Ke1+–; better is 42.Re8! Kf7 43.cb7 Nb7+–) 1–0. Ranby,Hans – Davidson,Lennart, corr SSKK 2–745, 1991.

6.g3 Bg7 7.Bg2 0–0 8.Nf3 Nbd7 9.0–0 Nc5 10.d3 c6 (10...a4 11.a3=) 11.d4+= Ncd7 12.a4 Qc7 13.Rc1 Re8 14.e3 ½–½. Ibrahimov,Rasul (2375) – Mirzoev,Azer (2440), Dubai op, 1999.

4.d4 g6

5.c4 Bg7

6.Nd2 0–0 7.Ngf3 e5 (7...Bf5 8.e3=) 8.de5 Ng4 9.e3 Nd7 10.Qc2 (10.Be2 Nge5 11.Bd4 f5=) 10...Nge5 (10...Nde5 11.Ne5 Ne5 12.f4=) 11.Nd4 (11.Be2 Qe8=) 11...b6 (11...Nc5 12.Be2=+) 12.h3 (12.Be2 Re8=) 12...Bb7 13.0–0–0 Nc5 14.f4 (14.Kb1 Qe7=+) 14...Ned7 15.Nc6 (15.h4!?=+) 15...Bb2–+ 16.Qb2 Qf6 (16...Bc6!? 17.bc6 Nb8–/+) 17.Qf6 Nf6 18.g4 Rfe8 19.Re1 Bc6 20.bc6 Re7 21.Rg1 (21.Nb3 Nfe4 22.Nc5 Nc5=+) 21...Rae8–/+ 22.Rg3 d5 23.cd5 (23.Rd1 Re3 24.Re3 Re3–/+) 23...Nd5 24.Nc4 (24.Bc4 Re3 25.Rge3 A) < 25...Ne3 26.Nf1 b5 27.Bb5+= (< 27.Ne3 bc4 28.Kd2 Ne4 29.Ke2 Nc3 30.Kf2 Re4–/+); B) 25...Re3 26.Re3 Ne3–+) 24...Nb4 (24...Nf4 25.Rd1 Ne4 26.Rf3–/+) 0–1. Neuhof,KE – Titjen,G, corr EU/M/GT/056 (year?).

6.Nf3 0–0 7.e3 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 d6 4.e3 g6 5.d4 Bg7 6.Nf3 0–0 7.c4).

5.Nd2 Bg7

6.c4 0–0.

6.e4 0–0 7.Be2 (7.Ngf3 Nbd7=) 7...Nbd7 (7...a4 8.Ngf3=) 8.e5 (8.Ngf3 d5=) 8...de5 9.de5 Nd5 10.Nc4 N7b6 (10...Nc5 11.Qd4 Ne6 12.Qe4=) 11.Nb6 cb6 12.Bf3 Nb4 (12...Be6 13.Ne2+=) 13.a3+= Qd1 14.Bd1 Nd5 15.Bf3 Nc7 16.a4 (16.c4 Ne6+=) 16...Ne6= 17.Ne2 Ng5 (17...Nc5 18.Bd4=) 18.Bd5 Bf5 (18...Rd8 19.0–0–0+/–). Wesslen,Ulf – Hjortstam,Kurt, corr SSKK 3–52, 1982.

5.e3 Bg7

6.Nf3 0–0 7.Be2 Nbd7 8.c4 c5 9.Nbd2 ½–½. Bigalke,Andre – Dinckel,Joerg, Hamburg, 1999.

6.Nf3 0–0 7.Be2 Nbd7 8.h3 b6 9.0–0 Bb7 10.c4 Re8 11.Nc3 e5 12.d5 Nc5 13.Ba3 Nfd7 14.Qc2 e4 15.Nd4 f5 16.Rad1 Qg5 17.Na4 Bd4 18.ed4 Na4 19.Qa4 Nf6 20.Bc1 f4 21.Rfe1 Bc8 22.Qb3 Qh4 23.Bf1 a4 24.Qa3 Nh5 ½–½. Ramos Moreno,FJ (2110) – Perez Garcia,A (1845), Malaga ESP, City Ch, 2012.

5.Nf3 Bg7

6.e3 Bf5 7.Bd3 +=.

6.e3 Nbd7

7.Be2 0–0 8.0–0 d5 9.c4 +=.

7.Be2 0–0 8.0–0 e5 9.c4 Re8 10.Nc3 b6 11.Rc1 Bb7 12.Qb3 (12.Qc2 A) 12...Qe7 13.d5 Nc5 14.e4 Bc8 15.Rce1 Bh6 16.Ba3 Bf4 17.Bc1 Bc1+=; B) 12...Ra7 13.d5 Nc5 14.e4 Bc8 15.a3 Bh6 16.Rb1 Bf4 17.Rbe1 Qe7+=; C) 12...ed4 13.Nd4 (13.ed4 d5 14.Rfd1 dc4 15.Ne5 Qe7 16.Nc4 Bh6 17.Ba3 Qe6=) 13...Nc5= 14.Rcd1 a4 15.a3 Qe7 16.Bf3 Bf3 17.Nf3 Qd7+=; D) 12...Rc8 13.d5 Nc5 14.Rcd1 e4 15.Nd4 Nfd7 16.a3 Ne5 17.Na4 Ncd3+=; 12.de5 de5 (12...Ne5 13.Ne5 de5 14.Qc2 Qe7 15.e4 Rad8 16.Nd5 Qc5 17.Rfd1 c6+=) 13.Qc2 Qe7 14.Rcd1 Nc5 15.Nd5 Nd5 16.cd5 e4 17.Ne1 Bb2=; 12.d5 h6 (12...Bc8 13.e4 Nc5 14.Qc2 Bh6 15.Rcd1 Bf4 16.Rde1 a4 17.a3 Bg4+=; 12...Nc5 13.Qc2 Bc8 14.e4 a4 15.Rcd1 Nh5 16.Ba3 Nf4 17.Bc5 bc5+=; 12...e4 13.Nd4 Nc5 14.a3 Qd7 15.Qd2 Bc8 16.Rcd1 Ng4 17.Ne6 fe6+=) 13.e4 Nc5 14.Qc2 Bc8 15.Rce1 Qe7 16.Bc1 Nh5 17.Be3 Nf4+=) 12...ed4 (12...Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Bf3 Bf3 16.Nf3 a4 17.Qc2 Qe7+=) 13.Nd4 (13.ed4 Nh5 14.Rce1 Nf4 15.d5 Ne5 16.Na4 Bc8 17.Ne5 de5=) 13...Ne4 14.Ne4 (14.Qd1 Qg5 15.Bf3 Ndc5 16.Ne4 Be4 17.Be4 Re4=) 14...Be4 15.Bf3 (15.Qd1 Qg5 (15...Nc5+= 16.Qd2 Be5 17.Rfd1 a4=) 16.Bf3 f5 17.Rc3 Ne5+=; 15.Rcd1 Nc5 16.Qa3 a4 17.Rfe1 f5=) 15...Bf3 16.Nf3 (16.gf3 Nc5 17.Qd1 a4+= (17...Qh4+=)) 16...Nc5 17.Qc2 Bb2 18.Qb2 Nd3 19.Qc3 Nc1 20.Rc1 Qe7 21.h4 (21.h3 Qe4–/+) 21...Rad8 (21...Rac8 22.Qd4–/+) 22.Rd1 (22.g3 Rd7–/+) 22...Qf8 (22...Qe4 23.Qb3–/+) 23.h5 Qg7 24.Qc2 Rd7 25.Nd4 (25.Rd4 Rde7–/+) 25...Rde7 (25...Qh6 26.hg6 hg6 27.Ne2–+) 26.Ne2 (26.hg6 Qg6 27.Qb3 Re4–/+) 26...Re4 (26...gh5 27.Nf4 Re5 28.Qe2–+) 27.Nf4 Rf4 (27...gh5 28.Nh5 Qg6 29.Nf4 Rf4 30.Qg6 hg6 31.ef4–+) 28.ef4 Qf6 (28...gh5 29.Qd2–/+) 29.hg6 hg6 30.g3 Qf5 (30...Qe6+=) 31.Qc3 (better is 31.Qf5!? gf5 32.Kf1=) 31...Re2 32.Rc1 (32.Qd4 Qe6–/+) 32...Qc5 33.Qf3 Ra2 34.Kg2 Rd2 (better is 34...Kg7!?–+) 35.Rh1 d5 36.f5 Qe7 (36...Qc4?? 37.fg6 f5 38.Rh4+–) 37.fg6 fg6 38.Rh4 g5 39.Rh5 Qe4 (39...Qe5 40.Kf1 Rd4 41.Rh6+=) 40.Rg5 Kh7 (40...Kh8 41.cd5 Qf3 42.Kf3=) 41.Qe4 de4 42.Re5 Rd4 (42...Kg6 43.Re4 Kf6 44.Kf3=) 43.Re7 Kg6 44.Rc7 a4 45.Rc6 Kf5 46.c5 bc5 47.Rc5 Kf6 48.Rc6 Kf5 49.Ra6 Rb4 50.b6 a3 51.Kh3 Rb2 52.Ra3 Rb6 53.Ra5 Kf6 54.Kg4 Rb2 55.Rf5 Kg6 56.Rf4 Re2= 57.Kh4 Re1 58.Kg4 Re2 59.Rf8 Kg6 ½–½. Katalymov,Boris N – Smits,Anatolijs, URS–ch29 sf Novgorod, 1961.

7.Be2 0–0 8.0–0 e5 9.c4 Re8 10.Nc3 b6 11.Rc1 Qe7 A) 12.Qc2 Bb7 (12...Qe6 13.de5 Ne5 14.Rfd1 Ra7 15.Ne5 Qe5 16.Nd5 Bf5 17.Be5 Bc2+– 2.47; 12...e4 13.Nd2 Qe6 14.Qa4 Rb8 15.Rfd1 Qf5 16.a3 h6 17.Nf1 Ng4+=; 12...Ra7 13.Nd5 Nd5 14.cd5 e4 15.Nd2 Nf6 16.Qc6 a4 17.Ba3 h6=) 13.d5 Nc5 14.e4 Bc8 15.Rcd1 Nh5 16.Bc1 Nf4 17.Be3 f5=; B) 12.Nd5 Nd5 (12...Qd8 13.Qc2 Bb7 14.de5 de5 15.e4 Nc5 16.Rcd1 c6 17.Nf6 Qf6+=) 13.cd5 e4 14.Nd2 Qg5 15.Rc7 Nf6 16.Kh1 Nd5 17.Rc1 Bb7=; C) 12.a3 h6 (12...Ra7 13.Re1 e4 14.Nd2 h6 15.Qa4 Bb7 16.Rc2 Qe6 17.Rd1 Bc8+=; 12...Bb7 13.d5 Nc5 14.Qc2 Bc8 15.e4 Bh6 16.Rcd1 Bf4 17.Rde1 Bg4+=; 12...Qe6 13.Nd5 Ra7 14.de5 de5 15.Qd2 Nc5 16.Rcd1 Nd5 17.cd5 Qd6+=) 13.Nd5 Nd5 14.cd5 e4 15.Nd2 Qg5 16.Rc7 Nf6 17.Kh1 Nd5+=.

7.Be2 0–0 8.0–0 e5 9.c4 Re8 10.Nc3 b6 11.Re1 A) 11...Qe7 A1) 12.de5 de5 (12...Ne5 13.Ne5 de5 14.e4 Be6 15.Nd5 Bd5 16.ed5 Qd6 17.Qd2 Rad8+=) 13.e4 Nc5 14.Qc2 c6 15.Rad1 Bb7 16.Nd2 cb5 17.cb5 Red8=; A2) 12.a3 Bb7 (12...h6 13.Qc2 Bb7 14.d5 e4 15.Nd4 Nc5 16.Rad1 Qe5 17.Rf1 Bc8+=; 12...Ra7 13.Qc2 h6 14.Rad1 e4 15.Nd2 Bb7 16.Qa4 Qe6 17.Rf1 Re7+=; 12...e4 13.Nd2 Bb7 14.Qc2 Qe6 15.Red1 Qf5 16.Rf1 Qg5 17.Rad1 Ng4+=) 13.d5 Nc5 14.Qc2 e4 15.Nd4 a4 16.Nc6 Qd7 17.Rad1 Qf5=; A3) 12.Qc2 Bb7 (12...Ra7 13.de5 Ne5 14.Ne5 Qe5 15.Nd5 Qe6 16.Rad1 Ne4 17.Bg7 Kg7+=; 12...e4 13.Nd2 Qe6 14.f3 Bh6 15.Nce4 Ne4 16.Ne4 f5 17.Bd3 Bb7+=; 12...h6 13.de5 Ne5 14.Ne5 de5 15.e4 c6 16.bc6 Qc5 17.Qa4 Re6+=) 13.de5 de5 14.e4 Nc5 15.Nd5 Bd5 16.cd5 Nfe4 17.Bc4 Nd6+=; B) 11...Bb7 B1) 12.d5 Nc5 (12...e4 13.Nd4 Nc5 14.Qc2 a4 15.a3 Nfd7 16.Rf1 Qh4 17.Rad1 Ne5=; 12...Bc8 13.e4 Nh5 14.Bc1 Nf4 15.Be3 Nc5 16.a3 Qd7 17.h3 f5+=; 12...Qe7 13.e4 Bc8 14.Bc1 Nc5 15.Qc2 h6 16.a3 Qd7 17.Be3 Ng4+=) 13.Qc2 e4 14.Nd4 Nfd7 15.Rf1 Qh4 16.Rad1 Ne5 17.a4 Ned3=; B2) 12.Qc2 Qe7 (12...Ng4 13.Nd5 ed4 14.Bd4 Ngf6 15.Rad1 Ra7 16.Qb2 a4 17.a3 Re6+=; 12...h6 13.de5 de5 14.Rad1 Qc8 15.e4 c6 16.Bd3 cb5 17.cb5 Qc7+=; 12...c6 13.Red1 Rc8 14.bc6 Bc6 15.de5 Ne5 16.Ne5 Re5 17.Qd2 Re6+=) 13.de5 de5 14.e4 Nc5 15.Nd5 Qd6 16.Bf1 Nd5 17.cd5 f5+=; B3) 12.a3 Qe7 (12...Ne4 13.Ne4 Be4 14.Nd2 Bb7 15.Qc2 f5 16.Rad1 Qe7 17.Bf3 Bf3+=; 12...h6 13.Qc2 Qe7 14.de5 de5 15.e4 Rad8 16.Rad1 c6 17.bc6 Bc6+=; 12...c5 13.bc6 Bc6 14.Rb1 e4 15.Nd2 d5 16.a4 dc4 17.Bc4 Qe7+/–) 13.Qd2 h6 14.d5 Nc5 15.Qc2 Rad8 16.e4 Bc8 17.Bc1 Nh5+=.

7.Be2 0–0 8.0–0 e5 9.c4 Re8 10.Nc3 b6 11.de5 A) 11...Ne5 12.Ne5 Re5 (12...de5 13.Qc2 Qe7 14.Rfd1 Bb7 15.Nd5 Nd5 16.cd5 f5 17.Bc4 Qd6+/–) 13.Bf3 Ra7 14.Nd5 Re8 15.Qd4 Nh5 16.Qd2 Nf6 17.Bd4 a4+=; B) 11...de5 B1) 12.e4 Nc5 (12...Bb7 13.Qc2 Nc5 14.Rfd1 Qe7 15.Nd2 Rad8 16.Nd5 Qd6 17.Ba3 Bc8+/–; 12...Qe7 13.Nd5 Qd6 14.Nf6 Nf6 15.Qc2 Bb7 16.Bd3 c6 17.Rad1 Nd7+=; 12...a4 13.Qc2 a3 14.Bc1 Nc5 15.Be3 Qe7 16.Nd5 Qd6 17.Nf6 Qf6+=) 13.Qc2 c6 14.Rfd1 Qc7 15.Ba3 cb5 16.Bc5 Qc5 17.cb5 Bb7=; B2) 12.Qd2 Qe7 (12...Re6 13.Qc2 Bb7 14.Rfd1 e4 15.Nd4 Rd6 16.Na4 c5 17.bc6 Bc6+/–; 12...e4 13.Nd4 Bb7 14.Rfd1 Qe7 15.Qc2 Rad8 16.Rd2 Ne5 17.Rad1 Neg4+=; 12...Bb7 13.Rad1 Qe7 14.Qc2 Rad8 15.e4 Nc5 16.Rd8 Rd8 17.Nd5 Bd5+=) 13.Rfd1 Nc5 14.Nd5 Nd5 15.cd5 Bf5 16.Rac1 Red8 17.Ba3 Be4+=; B3) 12.Qc2 Qe7 (12...Nc5 13.e4 c6 14.Ba3 cb5 15.Bc5 bc5 16.Rfd1 Qe7 17.cb5 Bg4+=; 12...Bb7 13.Rfd1 Qe7 14.e4 Nc5 15.Nd2 Rad8 16.Nd5 Qd6 17.Ba3 Ba8+/–; 12...e4 13.Nd4 Bb7 14.Rfd1 Qc8 15.Rd2 Rd8 16.Rad1 c5 17.bc6 Bc6+/–) 13.Nd5 Nd5 14.cd5 Nc5 15.e4 f5 16.Ba3 fe4 17.Bc4 Kh8+=.

7.Be2 0–0 8.0–0 e5 9.c4 Re8 10.Nc3 ed4 11.Nd4 Nc5 12.Nd5 =.

4.e3 e5

5.a4 b6 6.Nf3 Bb7 7.Be2 Be7 8.0–0 Nbd7 9.c4 0–0 10.d4 e4 11.Nfd2 d5 12.cd5 Bd5 13.Nc3 Bb7 14.Qc2 Re8 15.Nde4 Ne4 16.Ne4 Bb4 17.Ng3 Qh4? (17...Rc8 18.Bd3 h6 19.e4+/–) 18.Bd3 (18.Qc7 Bc8+–) 18...h5? (18...Bd6!?+/–) 19.Rad1 (19.Qc7 Bc8+–) 19...Nf6? (19...Bd6 20.d5! Nf6 21.f4+–) 20.Qc7 (better is 20.Nf5!? Qg5 21.f4 Qg2 22.Qg2 Bg2 23.Kg2 g6+–) 20...Rab8 21.Nf5 Qg5 22.Qg3 Qg3 23.Ng3 h4 24.Nf5 h3 25.gh3 Ne4 26.Ng3 (better is 26.d5 Bd5 27.Ng7+– (27.Bg7?! Ng5 28.f3 Bf3 29.Rf3 Nf3 30.Kf2 Ne5+/–)) 26...f5? (better is 26...Ng5 27.d5 Nf3 28.Kh1 Bd5 29.Bh7 Kh7 30.Rd5 g6+–) 27.Nf5+– Re6 (27...Rf8 28.Be4 Be4 29.Ng3+–) 28.Ng3 (better is 28.Bc4 Bc8+–) 28...Ng5 29.Bc4 Nh3 0–1. bananinha (1660) – krzysiek771 (1785), kurnik, 2012.

5.a4 c6 6.c4 cb5 7.ab5 Be7 8.Nf3 0–0 9.Be2 b6 (9...e4 10.Nd4=) 10.0–0 Nbd7 11.Nc3 h6 (11...Bb7 12.d4=) 12.Qc2 Nc5 13.d4 ed4 14.ed4 Ne6 15.Rfe1 Bd7 16.Ba3 Qc7 17.Rec1 (17.Bd3 Rfe8+=) 17...Nh7 (better is 17...Nf4!?=) 18.Nd5+/– Qd8 19.Ne7 Qe7 20.Bd3 Nhg5 21.Ng5 Qg5 (better is 21...Ng5 22.c5 Rfc8+/–) 22.Re1 (better is 22.Bd6!? Rfd8 23.d5+/–) 22...Nd4= 23.Qb1?? (better is 23.Bh7 Kh8 24.Qd3=) 23...Nf3–+ 24.Kh1 Ne1 25.Qe1 Rfe8 26.Qc3 Bc8 (26...d5 27.Bb2 dc4 28.f4–+) 27.Bd6 Bb7 28.Bg3 h5 29.h4 Qe7 30.f3 Qf6 31.Qc1?? Qd4 32.Bf5 Re5 33.Be5–/+ Qe5 34.Bh3 Re8 35.Qg5?? Qa1–+ 36.Kh2 Qf6 37.Qh5 Re5 38.Qg4 Qh6 39.Qd4 Re8 40.Qd7 Qf4 (40...Qf4 41.Kg1 Qe3 42.Kh2 Qe5 43.Kh1 Bc8–+) 0–1. thecat74 – winer4000, playok.com, 2012.

5.a4 Be6 6.Nf3 Nbd7 7.d4 e4 8.Nfd2 d5 9.c4 Bb4 10.Qb3 dc4 11.Bc4 Bc4 12.Qc4 Nb6 13.Qb3 Qd5 14.0–0 0–0 15.Nc3 Qb3 16.Nb3 Nc4 17.Nd1 Nd5 18.Nc5 b6 19.Ne4 f5 20.Nec3 Nb2 21.Nd5 Nd1 22.Rfd1 Bd6 23.g3 Kf7 24.Rdc1 Ke6 25.Nc7 1–0. mihai740609 – mrug, kurnik, 2014.

5.a4 Bf5 6.c4 Nbd7 7.Nf3 Be7 8.d4 ed4 9.ed4 0–0 10.Be2 h6 11.0–0 Re8 12.h3 Nf8 13.Re1 Qd7 14.Nbd2 Ng6 15.Bf1 Nf4 16.Nh4 Bd3 (better is 16...Bh7=) 17.Bd3?? (better is 17.Qf3 Bf1 18.Qf4+= (worse is 18.Rf1 N6h5–/+; worse is 18.Kf1 N6h5–/+)) 17...Nd3–/+ 18.Bc3 (better is 18.Re3!? Nb2 19.Qc2–/+) 18...Ne1–+ 19.Qe1 Nd5! 20.Ne4?? Nc3 21.Qc3 Bh4 22.f3 f5 23.Nd2 Bg5 24.c5 Re3 25.Qc4 Qf7 26.Qf7 Kf7 27.Nc4 Rc3 28.Nb2 Be3 29.Kh1 dc5 30.dc5 Bc5 31.Nd1 Rc2 32.Rb1 Re8 33.Nb2 Ree2 34.Nd3 Bb6 35.Nf4 Rb2 36.Ne2 Rb1 37.Kh2 g5 38.Nc3 Rc1 39.Nd5 Bd4 0–1. popovicigelu – puskas (1720), kurnik, 2012.

5.a4 g6 6.Be2 Bg7 7.Nf3 0–0 8.0–0 Qe7 9.d4 e4 10.Nfd2 c6 11.c4 c5 12.d5 b6 13.f4 (13.Nc3 Re8+=) 13...ef3= 14.Rf3 Bg4 15.Rg3 (15.Rf2 Qe3 16.Ra3 Be2+=) 15...Be2 (15...Nh5!? 16.Rg4 Qe3 17.Kh1 Bb2–/+) 16.Qe2= Nh5 17.Qh5 Bb2 18.Ra2 Be5 19.Rg4 Nd7 20.Qh6? f5–+ 21.Rh4? Bf6 22.Rh3 Bg5 0–1. Woschkat,Karl_Heinz – Brissman,Anders, corr ICCF World Cup, 1985.

5.c4 d5 6.a4 Bd6 7.Nf3 e4 8.Nd4 0–0 9.Nc3 Bg4 10.f3 ef3 11.gf3 Be6 12.Ne6 fe6 13.Bh3 Qe7 14.f4 c5 15.Rg1 d4 16.ed4 cd4 17.Ne2 d3 18.Nd4 Bf4 19.Be6 Kh8 20.Qf3 Ne8 21.0–0–0 Bd2 0–1. jeglin – vodovod (1610), kurnik, 2014.

5.c4 Bd7 6.Nf3 c5 7.d4 cd4 8.ed4 e4 9.Nfd2 Bg4 10.Be2 Be2 11.Qe2 (worse is 11.Ke2 d5+=) 11...d5 12.c5 Qd7 13.a4 Be7 14.0–0 0–0 15.f3 ef3 16.Nf3 Re8 17.Ne5 Qc8 18.Nd2 Nbd7 19.Ndf3 Ne5 20.de5 (better is 20.Ne5 b6 21.c6+=) 20...Ne4 (20...Qc5? 21.Bd4 Qb4 22.Rfb1+–) 21.c6 bc6 22.Rac1 c5 23.Rfd1 Rd8 24.Nd2 (24.Nd4!? Bg5 25.Rc2+=) 24...Nd2–/+ 25.Qd2 d4 26.Rc4 Qg4 (26...Qe6 27.Rcc1–+) 27.Ba3–/+ Rdc8 28.Rdc1 (28.Qc2 Qe6 29.Re1 f6–/+) 28...Qe4 (28...Bg5 29.Qd1 Qe4 30.R1c3–+) 29.Bc5 (better is 29.Qe1 Qe1 30.Re1+=) 29...Bc5?? (better is 29...Qd5 30.b6 Rc5–+ (30...Bc5?! 31.Qc2=)) 30.Rc5= Rc5 31.Rc5 Rd8 32.h3 d3 33.b6?? (better is 33.Rc1+=) 33...Qd4–+ 34.Kh2 (34.Qf2 Qf2 35.Kf2 d2–+) 34...Qc5 35.b7 Qb6 0–1. marvis (1665) – dtpwaldi, kurnik, 2013.

5.c4 e4 6.d3 ed3 7.Bd3 Nbd7 8.Nf3+= Nc5 9.Be2 Be7 10.0–0 0–0 11.Nd4 Nfd7 12.Nc3 Nb6 13.a4 Bf6 14.Nd5+= Nd5 15.cd5 Re8 16.Qc2 Qe7 17.Bf3 Be5= 18.g3 Qf6 19.Bg2 Qg6 20.Qg6+= hg6 21.Rfd1 Bf5 22.Ra2 Kf8 23.f3 Bd7 24.e4 g5 25.Ba1 g4 26.f4 Bf6 27.Re1 Re7 28.Re3 Rae8= 29.Nb3 Ba1 30.Ra1 b6 31.Nc5+= bc5 32.Rae1 f6 33.Kf2 g6 34.Bf1 Rh7 35.Kg2 Rhe7 36.Bd3 Bf5 37.Kf2 Bd7 ½–½. Ostroverkhova,Elena – Novikova,Margarita (2090), Femida Open Kharkov UKR, 2003.

5.c4 Bg4 6.Be2 Be2 7.Ne2 Be7 8.0–0 0–0 9.d4 Nbd7 10.Nbc3 Nb6 11.Qd3 e4 12.Ne4 Ne4 13.Qe4 Nc4 14.Qc2 d5 15.a4 Bd6 16.Bc1 f5 17.Ng3 (17.Nc3 c6+=) 17...Qh4–/+ 18.f4 Qf6 19.Rf3 Rae8 20.Bd2 c5 21.bc6 bc6 22.Re1? (better is 22.Qd3–/+) 22...Nd2–+ 23.Qd2 Bb4 24.Qd1 Be1 25.Qe1 Qd4! 26.ed4 Re1 27.Kf2 Ra1 28.Rc3 Ra4 29.Rc6 g6 (29...Rd4 30.Ke3 Ra4 31.Rd6–+) 30.Ne2 Ra2 31.Kf3 Rb8 (31...Rb8 32.Rc3 a4–+) 0–1. Shorokhov,M (2135) – Polyansky,V (1995), 14th FIDE Open, Voronezh RUS, 2010.

5.c4 h6 6.Nf3 Be6 7.d4 ed4 8.Nd4 Nbd7 9.Ne6 fe6 10.Nd2 e5 11.Qc2 Be7 12.Qg6 Kf8 13.Bd3 Qe8 14.0–0 Qg6 15.Bg6 c6 16.a4 Rc8 17.Rac1 cb5 18.cb5 Nb6 19.Rc8 Nc8 20.Nc4 b6 21.Rd1 h5 22.f3 Rh6 23.Bf5 Na7 24.Nd6 Bd6 25.Rd6 Ke7 26.Re6 Kf7 27.Be5 Ng8 28.Rh6 Nh6 29.Bh3 g5 30.Bb8 Nb5 31.ab5 g4 32.Bf4 gh3 33.Bh6 hg2 34.Kg2 a4 35.e4 a3 36.Bc1 a2 37.Bb2 Ke6 38.f4 Kd6 39.Bd4 a1Q 40.Ba1 Kc5 41.f5 Kb5 42.f6 Kc6 1–0. orangutandu – staszek2013, kurnik, 2013.

5.d3 Be7 6.c4 0–0 7.Nf3 Bg4 8.Be2 Nbd7 9.0–0 c6 10.a4 Re8 11.Nbd2 Qc7 12.h3 Bh5 13.Nh2 Be2 14.Qe2 d5 15.Rfc1 Bb4 16.Nb3 Qd6 17.Ng4 Rad8 18.Nf6 Nf6 19.c5 Qe6 20.b6 (20.d4 Nd7=) 20...h6 21.Bc3 d4 22.ed4?? (better is 22.Bb4 Qb3 23.Rcb1=) 22...Qb3–+ 23.de5 (23.Rab1 Qa4 24.Bb4 ed4 25.Qd2 ab4 26.Rb4–+) 23...Bc3 24.Rab1 Qa3 25.Qc2 Be5 26.Qc4 Qd3 0–1. oldi62 (1670) – grigoriju (1630), kurnik, 2013.

5.d4 Nbd7 6.Nf3 ed4 (6...e4 7.Nfd2=) 7.Qd4 (7.Bd4 d5=) 7...g6 (7...Nc5 8.Bd3=) 8.Nc3 Bg7 9.Na4 (9.0–0–0 0–0+=) 9...0–0 10.0–0–0 (10.Bc4 Qe7=) 10...Re8 11.Bc4 Nf8 (11...Re4 12.Qc3 h6 13.h3=) 12.Kb1 (12.Qh4 Qe7=) 12...Re4 (12...Be6 13.Be6 Ne6 14.Qh4=) 13.Qd3 Be6 14.Nd4 (14.Be6 Ne6 15.c4 Qe7=) 14...Bc4 15.Qc4 d5 16.Qb3 Ng4 (16...Rg4 17.Rhg1=) 17.Rd2 Ne6 18.Ne6 fe6 19.Bd4 Bd4 20.ed4 (worse is 20.Rd4 Nf2 21.Rf1 Rd4 22.ed4 Ne4–+) 20...Qg5 21.Qc3 e5 22.Nc5 ed4 23.Rd4 Rd4 24.Qd4 Re8 25.h3 Nf6 26.g4 b6 27.f4 bc5 28.fg5 cd4 29.gf6 h6 30.h4 Re5+= 31.Kc1 a4 32.a3 Re3 33.Kb2 Re2 34.Kb1 Re3 35.Kb2 Re2 36.Kc1 Re3 37.g5 Ra3 38.Kb2 Rg3 39.gh6= Rf3 40.Re1 Rf6 41.Re8 Kh7 42.Re7 Kh6 43.Rc7 Rf4 44.Rc5 Rh4 45.Ka3 Kg7 46.b6 Rh8 47.Ka4 d3 48.cd3+– g5 49.Kb5 Kf6 50.b7 Rb8 51.Kb6 Ke6 52.Kc7 Rg8 53.b8Q Rb8 54.Kb8 (54.Kb8 Kd6 55.d4+–) 1–0. Gierth,Karlheinz (2215) – Zylla,Johannes (2135), BdF, 2004.

5.d4 e4 6.d5 =.

5.Be2 g6 6.c4 Bg7 7.Nf3 Nbd7 8.a4 e4 9.Nd4 Nc5 10.Nc3 0–0 11.0–0 Bd7 12.d3 ed3= 13.Bd3 Nd3 14.Qd3 Ng4 15.Nf3 Qe8 16.Rad1 b6 17.Rd2 Rc8 18.Nd5 f6 19.Qb3 Rf7 20.h3 Ne5 21.Ne5 fe5= 22.e4 Be6 23.Rc2 Bh6 24.Bc1 Qf8 25.Qg3 Qg7 26.f3 Rcf8 27.Qh4 Bf4 28.Bf4 ef4= 29.Rd1 g5 30.Qf2 ½–½. Lewis,James E (2245) – Baquero,Luis A (2355), USA op, 1990.

5.Ne2 Be7 6.Ng3 0–0 7.Be2 Bd7 8.0–0 b6 9.f4 c6 10.a4 Qe8 11.c4 ef4 12.Rf4 d5 13.d3 (13.Nf5 Bf5 14.Rf5 Qd7+=) 13...Be6 (13...cb5 14.Nf5 dc4 15.ab5 Bf5 (15...Bb5 16.Qe1 Kh8 17.Ng7+–) 16.Rf5 Qd7+=) 14.Nd2 dc4 15.dc4 cb5 16.cb5 Nbd7 17.Bh5 Nc5 18.Bf3 Rd8 19.Qe2 Rd2 (better is 19...Nd5!? 20.Bd5 Rd5+=) 20.Qd2+= Nb3 21.Qd1 Na1 22.Ba1 Qd8 23.Rd4 Qc7 24.Rf4 Rd8 25.Qb1 Bd5 (better is 25...Nd5 26.Re4 Bd6+=) 26.e4?? (better is 26.Nf5!?=) 26...Be6 (better is 26...Ba2! 27.Qf1 Qf4–+) 27.e5+= Nd5 28.Re4 Nc3 29.Qb2?? Ne4 30.Be4 Qd7 31.Bf3 Bc5 32.Kh1 Qd1! 33.Bd1 Rd1 34.Nf1 Rf1 0–1. 56ctx56 – szekely300, kurnik, 2012.

5.Ne2 Bg4 6.c4 Nbd7 7.Qc2 Bh5 8.f4 Nc5 9.fe5?? (9.Nbc3!?=) 9...de5?? (9...Bg6 10.Qc3 Nd3 11.Qd3 Bd3 12.ef6 gf6–+ (12...Bc4?! 13.fg7 Bg7 14.Bg7+=)) 10.Ng3 Bg6 11.Qd1 Nd3 (11...Bd6!?–/+) 12.Bd3+= Bd3 13.Qb3 (better is 13.Be5!? Bc4 14.Qf3=) 13...e4–/+ 14.Qc3 Ng4 15.Nf5 Qg5 16.Ng7+= Kd7 17.Qd4 Bd6 18.Nc3 f6 19.Ne4= Be4 20.Qe4 Qg7 21.Qb7 Ne5 22.Qd5 Qf7 23.Qf7+/– Nf7 24.Bf6 Rhg8 25.0–0 Ne5?? 26.Be5 Be5 27.d4 Bg7 28.Rf7 Kc8 29.Raf1 Kb7 30.Rd7 Rad8 31.Rff7 Rd7 32.Rd7 Bh6 33.Kf2 Rf8 34.Ke2+– Re8 35.Rh7 Be3 36.Kd3 Bg1 37.Rh3 Re1 38.d5 Ra1 39.Rh7 Rd1 40.Kc2+– Rf1? 41.d6 Rf2 42.Kb3 Rg2 43.Rc7 Kb8 44.c5 Bh2 45.Rc6 Be5? 46.d7 Rg8 47.Re6 Rg3 48.Kc4 Bc7 49.Re8 Kb7 50.c6 Kb6 51.Rb8!! Ka7 52.Rb7 Ka8 53.Rc7 Rg4 54.Kc5 (54.Kc5 Rg8 55.Rc8 Ka7 56.b6 Ka6 57.Rg8 a4 58.Ra8) 1–0. Otte,Marco – Ten Thije,Hens, Wag.Intcomp., 1998.

5.Qf3? c6 6.a4 (6.Nc3!?=) 6...Be7+= 7.d4 Bg4 8.Qg3 h5 (better is 8...0–0–/+) 9.f3?? (better is 9.h3 h4 10.Qh2+=) 9...Ne4!!–+ 10.fe4 Bh4. Nilsson,G – Olsson,S, corr SSKK 2–68, 1965.

5.Qf3? Nbd7 6.Nc3 +=.

5.Nf3 c5 6.c4 Nbd7 7.Be2 g6 8.0–0 Bg7 9.d4 Qe7 10.d5 Ne4 11.Nfd2 Nd2 12.Nd2 f5 13.a4 Nf6 14.f3 Bh6 15.f4 e4 16.Ra2 Bd7 17.Qa1 Bg7 18.Bc3 b6= 19.Kf2 0–0–0 20.Ke1 Nh5 21.Bh5 Bc3 22.Qc3 gh5 23.Rh1 Rhg8 24.Nf1 h4 25.h3 Be8 26.Rf2 Bh5=+ 27.Qb2 Rg6 28.Rh2 Rdg8 29.Qc3 R8g7 30.Qb2 Qd8 31.Qc3 Qg8 32.Qb2 ½–½. Moench – Hubert, corr, 1972.

5.Nf3 Bd7 6.c4 Be7 7.Be2 0–0 8.0–0 h6 9.a4 Nh7 10.d4 e4 11.Nfd2 f5 12.Qb3 Kh8 13.c5 dc5 14.dc5 Bc5 15.Nc3 Qe8 (better is 15...Bd6!?=) 16.Nd5+/– Be6 17.Bc4 (17.Qc3 Qd7 18.Nf4+– (18.Qc5?! Bd5 19.Rac1 c6+=)) 17...c6?? (better is 17...Qf7=) 18.Nc7+– Bc4 19.Qc4 (better is 19.Nc4 Qf7 20.Na8+–) 19...cb5?? (19...Qd7 20.Na8 Qd2 21.Bg7 Kg7 22.Qc5 Kg8+–) 20.Qc5 Qd7 21.Qc3 b4? 22.Qe5 Nc6+/– 23.Qg3 Qc7?? 24.Qc7+– Rac8 25.Qg7 1–0. elsh1403 (1615) – waldi1962 (1610), kurnik, 2011.

5.Nf3 e4 6.Nd4 d5 7.c4 c5 8.bc6 bc6 9.cd5 cd5 10.d3 Qb6 11.Qd2 Ba6 12.Ba3 Bb4=+ 13.Bb4 ab4 14.de4 Bf1 15.Rf1 de4 16.Qc2 Nbd7 17.Nd2 Nc5 18.Nc4 Qa6–/+ 19.Nb2 Nd3 20.Nd3 ed3 21.Qb2 Ne4 22.Nf3 0–0 23.Qb4=+ f5 24.Nd2 Rfb8 25.Qd4 Qa5 26.Qd3 Rd8 (27.Qc4 Kh8–+) 0–1. Berkley,Stephen (1640) – Van Rooijen,Peter (1790), IECC, 2000.

5.Nf3 Be6 6.c4 Nbd7 7.d4 e4 8.Nfd2 c6 9.Nc3 cb5 10.Nb5 Nb6 11.Qc2 Rc8= c4 12.Na3 Bf5 13.Bc3 Nbd7 14.d5 Nc5 15.Bd4 Nfd7 16.Nb3 Be7 17.Bg7+= Rg8 18.Bd4 Nd3 19.Bd3 ed3 20.Qd1 Rg2= 21.Qf3 Rg5 22.e4 Ne5 23.Qe3 Bg4 24.Nd2 Be2 25.h4 Rg4 26.Rb1 Qd7 27.Rb3 Qa4 28.Bb2 b5 29.Nb5 Qa2 30.Nd4 Nc4 31.Nc4 Rc4 32.Bc3? Bf6 33.e5? Be5–+ 34.f4 Rf4 35.Rg1 Bg4 36.Rf1 d2! (37.Qd2 Re4 (37...Bd4 38.Qa2 Re4 39.Kd2 Re2 40.Kd3 Ra2 41.Kc4 Be2 42.Kd4 Bf1 43.Rb8 Ke7 44.Rb7 Kf8 45.Rb8 Kg7 46.Rb6=+) 38.Kf2 Bd4 39.Kg3 Qb3–+; 36...Rfd4 37.Rb8 Bc8 38.Bd4 Rc1 39.Qc1 Qe2#) 0–1. Sviridov – Duthilleul,Jean, corr, 1989.

5.g3 Bg4 6.Bg2?? (6.Be2 Bf5=) 6...Qc8 (6...Bd1 7.Kd1 d5 8.Nc3–+) 7.h3?? (7.Ne2 Nbd7=) 7...Be6 (better is 7...Bd1 8.Kd1 Qf5–+) 8.d3 (8.Nf3 h6+=) 8...h6. Serebriskij – Savtjenko, SU, 1959.

5.a4 Be7=+

6.c4 c6 7.d4 e4 8.Ne2 d5 9.c5 b6 10.Ba3 0–0 11.cb6 Ba3 12.Ra3 cb5 13.ab5 Nbd7 14.Nec3 Nb6 15.Nd2 Ng4 16.Be2 Qh4 17.g3 Qh3 18.Bf1 Qh6 19.Ne2 Qd6 20.Qa1=+ Qb4 21.Nc3 Be6 22.Be2 Rfc8 23.0–0 a4 24.Rb1 Qa5 25.Qb2 Rc7 26.Rba1 Rac8= 27.Ndb1 Nc4 28.Bc4+= Rc4 29.Ra4 Ra4 30.Ra4 Qd8 31.b6 Rb8 32.b7 Bd7 33.Ra7 Bc6 34.Na4 Qd6 35.Nc5 Qh6? 36.h4+– g5 37.Qb6 Qf6 38.Ra2 Qf3 39.Nc3 Ne3 40.fe3 Qe3 41.Rf2?? (41...Qg3 42.Kf1 Qh3 43.Rg2 Qf3 44.Kg1 Qe3 45.Kh2 Qf4 46.Rg3 Qf2 47.Kh3 Qf1 48.Kg4 Qf4 49.Kh3 Qf1 50.Kh2 Qf2 51.Rg2 Qf4 52.Kh1 Qf1 53.Kh2 Qf4=; better is 41.Kh2 gh4 42.Rg2+–) 1–0. Lipovan,V – Heindrich,J, corr ICCF Eu 1e kl, 1992.

6.Nf3 0–0 7.d4 ed4 (7...e4 8.Nfd2+=) 8.Nd4 Bg4 9.Be2 Qd7 10.h3 (10.Bg4 Ng4 11.0–0 d5=) 10...Be2 11.Qe2 c5 12.Nf3 b6 13.0–0 d5 14.c4 dc4 15.Qc4 Qd6 16.Nc3 Bd8 (16...Nbd7 17.Rfd1 Qe6 18.Qe6 fe6 19.Ne2+=) 17.Rfd1+/– Qe7 18.Nd5 Nd5 19.Qd5 Qa7?? (better is 19...Ra7+/–) 20.Qd8+– Rd8 (20...f6 21.Qd5 Rf7+–) 21.Rd8 1–0. chybol3 – sonmip, playok.com, 2012.

5.c4 a4

6.a3 c6 7.Nc3 cb5 8.cb5 Bd7 9.Na4 Qa5 10.Nc3 d5 11.Nf3 Bd6 12.Be2 0–0 13.0–0 Rd8 14.a4 (14.Qb3 e4 15.Nd4 Bc8+/–) 14...h6 (14...e4 15.Nd4+=) 15.Qb3 Be6 16.d4 e4 17.Nd2 Nbd7 18.Ba3 Bb8 19.Be7 Qc7 20.g3 Rc8 21.Rac1 Nb6 22.Bf6+– gf6 23.Na2 Qd7 24.Rc8 Nc8 25.Rc1 Nd6 26.Nb4 Nf5 27.Bg4 Nd4? 28.Be6?? Nb3+= 29.Bd7 Nc1 30.b6?? Bd6?? 31.Nd5+– Rd8 32.Nf6 Kg7 33.Nde4 Bb4? 34.Bb5+– 1–0. ludice (1710) – leverlek, kurnik, 2011.

6.a3 c6 7.Nc3 Bd7 8.Nf3 Be7 9.d4 e4 10.Nd2 d5 11.c5 cb5 12.Bb5 0–0 13.Ba4 Qc7 14.Qb3 Ba4 15.Na4 Ng4 16.Nb6 Ra6 17.Qd5 Rb6 18.cb6 Qb6 19.Rb1 Qg6 20.Qe4 1–0. lendzior (1645) – lisek77 (1625), kurnik, 2014.

6.d4 Nbd7 7.a3 ed4 8.ed4 g6 9.Be2 Bg7 10.Nf3 0–0 11.0–0 d5 12.Nc3 dc4 13.Bc4 Nb6 14.Ba2 Bg4 15.h3 Bf3 16.Qf3 Qd4 17.Qb7 Qd2 18.Rab1 Rac8 19.Rfd1 Qg5 20.Ne4 Ne4 21.Qe4 Rce8 22.Qc2 Bb2 23.Rb2 Qf4 24.Rb4 Qe5 25.Qd3 Qe2 26.Rd2 Qe1 27.Kh2 Qe5 28.g3 Rd8 29.Rd4 Rd4 30.Qd4 Qd4 31.Rd4 Re8 32.Rf4 Re7 33.f3 Kg7 34.Re4 Re4 35.fe4 f6 36.Kg2 Nc8 37.Kf3 Nd6 38.Be6 Nb5 39.Bd7 Na3 40.Ba4 Nc4 41.Bc6 Ne5 0–1. popovicigelu – natuska80wet (1970), kurnik, 2012.

5.c4 b6

6.a4 Be6 7.Nf3 d5 (7...Be7!?=) 8.cd5+/– Bd5 9.Be2 (9.Be5 Nbd7+/–) 9...Bd6 (9...e4 10.Ne5=) 10.0–0 0–0 11.Nc3 Bb7 12.d4 ed4 13.Nd4 Qe7 14.Bf3 Bf3 15.Qf3 (worse is 15.gf3 Qd7=) 15...Nbd7 16.Nc6 Qe6 17.Rfd1 Ne5 18.Ne5 Be5 19.Rab1 Qb3 (19...Rad8 20.Rd8 Rd8 21.Rd1=) 20.e4 Bc3? (20...Rad8 21.Nd5 Qf3 22.gf3 Bb2 23.Rb2 Nd5 24.Rbd2=) 21.Qc3?? (better is 21.Bc3!? Qa4 22.Bf6 gf6 23.Qg3 Kh8 24.Qc7 Qe4 25.Qb6+/–) 21...Qa4 22.e5 (22.Qc7 Ne4 23.Qb6 Rfe8+=) 22...Ne4 23.Qc7+/– Rac8 24.Qb6+– h6 25.e6 Rb8? 26.ef7 Kf7 27.Rd7 Kg8 28.Qe6 Kh8 29.Bg7 Kh7 30.Bf8 Kh8 31.Qe5 Kg8 32.Qg7 1–0. thecat74 – f00boo, kurnik, 2012.

6.Nc3 Bb7 7.d4 ed4 8.ed4 d5 9.Nf3 Bb4 10.Qe2 Qe7 11.cd5 Ne4 12.Rc1 Bd5 13.Nd2 Nc3 14.Bc3 0–0 15.Qe7 Be7 16.Ba1 Ba2 17.Rc7 Re8 18.Be2 Bd5 19.Nc4 Bd8 20.Rc8 Bg2 21.Nd6 Nd7 22.Ra8 Ba8 (< 22...Bh1 23.Ra7 Re7 24.Nf5 Re2 25.Ke2+/–) 23.d5 Rf8 24.Nf5 Bf6 25.Bf6 Nf6 26.Rg1 g6 27.Ne7 Kg7 28.Nc6 Nd5 29.Kd2 Re8 30.Bf3 Nf4 31.Rg4 Nh3 32.Rg2 f5 33.Kc2 Kf6 34.Kc3 g5 35.Kd2 h6 36.Kc3 Re1 37.Nd4 Bf3 38.Nf3 Rh1 39.Kc4 g4 40.Nd4 Nf4 41.Rg3 Rh2 42.f3 Rh3 43.Rg1 g3 44.Nc2 Rh4 45.Kb3 Ne2 46.Rg2 Rh2 47.Ne3 Ke5 48.Kc2 h5 49.Kd1 f4 50.Re2 Re2 51.Ke2 fe3 52.Ke3 a4 (53.f4 Kf5–+) 0–1. Andersson,Egart – Benassi,Aspasio, TMK/A004, 1999.

6.Nc3 Bb7 7.Nf3 Nbd7 8.Be2 e4 9.Nd4 Ne5 10.Qc2 Be7 11.0–0 0–0 12.Nf5 Qd7 13.Ng3 Nf3 (13...Nf3 14.Kh1 Nh4+=). Grund,Karl – Katona, corr ICCF EU–H–GT–12 (year?)

6.Nc3 Bb7 7.Nf3 Be7 8.Be2 0–0 9.0–0 Nbd7 10.d4 ed4 11.ed4 d5 12.Ne5 dc4 13.Bc4 Ne5 14.de5 Qd1 (14...Ne4!?+/–) 15.Rad1 (15.Nd1?! Nd5+=) 15...Ng4 16.Nd5 Bc5 17.h3 Nf2 18.Rf2 Rad8 19.Nc3 (19.Kf1!? Bf2 20.Kf2+–) 19...Rd1 20.Nd1 Rd8 21.Nc3?? (better is 21.Bf7 Kh8 22.Bh5+/–) 21...Rd2–+ 22.Bf7 Kh8 23.e6 (23.Na4 Bf2 (23...Rf2?! 24.Nc5 Rg2 25.Kf1 bc5 26.e6=) 24.Kf1 Bg3–+) 23...Rf2 24.Ne4 (24.Na4 Be3 25.Bc1–+) 24...Be4 25.e7 Rf7 (25...Rb2 26.Kf1 Bd3 27.Ke1 Bb4 28.Kd1 Rb1) 26.Kh2–+ Re7 0–1. typ48 – pantata1, kurnik, 2013.

6.Nc3 Be7 7.Be2 0–0 8.Bf3 Ra7 9.Nge2 Nbd7 10.0–0 Nc5 11.d3 e4 (11...Bf5!? 12.d4 Nd3=) 12.de4 Nce4?? (better is 12...a4+/–) 13.Ne4+– Ne4 14.Be4 Bf6 15.Nd4 Bd7 16.Rb1 c5 (16...Qe7 17.Qd3 h6 18.Rfd1+–) 17.Nc6 (better is 17.bc6 Be6+–) 17...Bc6 18.Bc6 Rc7 19.Bf6 Qf6 20.Qd5 g6 21.Rbd1 Qb2 (21...Rd8 22.e4 Re7 23.f4+–) 22.a4 (22.Qd6 Rcc8+–) 22...Qb3 (22...Rd8 23.Qg5 Rcc8 24.Qe7+–) 23.Ra1 (23.Qd6 Rcc8 24.Bd5 Rb8+–) 23...Qb2 (23...Rd8 24.Qg5 Rcc8 25.Bd5+–) 24.Qd6 Rcc8 25.Bd5 Rb8 26.Rfd1 Qg7 27.e4 h5 28.f4 Qh6 29.g3 h4 30.Kg2 hg3 31.hg3 Qg7 32.e5 Qh6 33.Rh1 Qg7 34.Qf6 Rfd8 35.Qg7 Kg7+– 36.Rhe1 Rh8 37.e6 g5 38.f5 Kf6 39.ef7 Rhf8 40.g4 Rbd8+– 41.Re6 Kf7 42.Rg6 Ke7 43.Re1 Kd7 44.Rg7 Kc8 45.Ra7 Kb8 46.Rb7 Kc8 47.Ree7 Rd6 48.Be6 Kd8 49.Red7 Rd7+– 50.Rd7 Ke8 51.Rb7 Kd8 52.Rb6 Ke7 53.Ra6 Rd8 54.Ra7 Kf6 55.Bd5 Ke5 56.b6 Kd4 57.b7 Re8 58.Ra8 Re2 59.Kf1 Ke3 60.b8Q Rf2+– 61.Kg1 Rf4 62.Qb3 Kd4 63.Qg3 Ke5 64.Re8 Kd6 65.Re4 Kc7 66.Rf4 (66.Rf4 Kd7 67.Re4 Kc8 68.Re7 Kd8 69.Qc7; 66.Qh2 Kd7 67.Qh7 Kd8 68.Qg8 Kd7 69.Qf7 Kd6 70.Qe7) 1–0. carlos444 – olek1935, kurnik, 2012.

6.Nc3 g6 7.Be2 Bb7 8.Nf3 Bg7 9.d4 Nbd7 10.0–0 0–0 11.Qc2 Re8 12.Nd2 ed4 13.ed4 d5 14.Bf3 Nf8 15.cd5 Nd5 (15...Bd5? 16.Nd5 Nd5 17.Qc6+–) 16.Qb3 Nc3 17.Bb7 Ne2 18.Kh1 Nd4 19.Bd4 Qd4 20.Nf3 (20.Ba8 Qd2 21.Rad1 Qb4+/–) 20...Qb4 21.Ba8 Qb3 22.ab3 Ra8 (< 22...Ba1 23.Bc6 Re2 24.Ra1 Rf2 25.Kg1+/–) 23.Ra4 Rd8 24.Rc4 Ne6 25.b4 ab4 (Better is 25...a4–/+) 26.Rb4+= Rd5 27.g3 Kf8 28.Rc1 Ke7 29.Kg2 h6 30.Ne1 Nc5 31.Rc2 Be5 32.Re2 Kd7 33.Nc2 Bd6 34.Rb2 Na4 35.Rb3 ½–½. arkady08 (2030) – unikum (2050), ChessWorld.net, 2003.

6.d3 Bb7 7.Nf3 Be7 8.Be2 0–0 9.0–0 Nbd7 10.Nc3 h6 11.a4 d5 (Better is 11...Qe8!?=) 12.cd5–/+ Nd5 13.Nd5 Bd5 14.e4 Bb7 15.Ne5 Ne5 16.Be5 Bc5 17.d4 Bb4 18.Rc1 Bd6 19.Bd6 Qd6 20.e5 Qg6 21.Bg4 Bg2 22.Kg2 h5 23.Rc7 hg4 24.Qc2 Qh5 25.Rd1 Qh3 26.Kg1 g6? 27.e6! Kg7 28.ef7 Rh8 29.f8Q Kf8 30.Rc8 Rc8 31.Qc8 Kg7 32.Qc7 Kg8 33.Re1 Kf8 34.Qf4 Kg7 35.Re7 1–0. Bonetti,Shane – patzerpower (1710), ICC, 2002.

6.d3 Nbd7 7.Nf3 (7.Be2 Bb7 8.Nf3 a4=) 7...Bb7 (7...a4 8.a3=) 8.Be2+= h6 (8...Be7 9.0–0=) 9.0–0 Be7 10.Nh4 0–0 11.Nd2 (11.Nf5 Re8+=) 11...Qc8 (11...a4 12.Nf5+=) 12.Ndf3 (12.Nf5 Re8+=) 12...c6 (12...Re8 13.Nf5=) 13.Nf5+= Re8 14.Ne7 (14.bc6 Bc6 15.d4 Qc7+=) 14...Re7= 15.Nh4 cb5 16.Nf5 Re6 17.cb5 Ne8 (17...Qe8 18.Rc1+=) 18.Rc1 Qb8 (18...Qd8 19.f4+=) 19.f4 (better is 19.d4+/–) 19...Rf6? (better is 19...Qd8+/–) 20.Ne7+– Kf8 (20...Kh7 21.Nc6 Bc6 22.bc6+– (worse is 22.Rc6 Qd8+–)) 21.Nc6 Bc6 22.bc6 (22.Rc6?! Re6+–) 22...Nc5 23.d4 ed4 24.ed4 Na6 25.Ba6 Ra6 26.Qd3 Nc7 27.Qh7 Ra8 28.d5! Rg6 29.Qh8 Ke7 30.Rfe1 Ne6 31.Qb8 Rb8 32.Bd4 Kf8 33.de6 Re6 34.Re6 fe6 35.Bb6! Rc8 36.Ba5 g5 37.fg5 hg5 38.Bb6 e5 39.a4 Ke7 40.a5 e4 41.Kf2 Ke6 42.a6 d5 43.Bc7 Rc7 44.a7! Ra7 45.c7 Rc7 46.Rc7 Kd6 47.Rg7 Kc5 48.Rg5 Kd4 49.h4 e3 50.Ke2 Ke4 51.h5 d4 52.Rg4 Kd5 53.Rd4! (53.Rd4 Kd4 54.h6+–) 1–0. Trkn – the Dave, itsyourturn.com, 2000.

6.d3 Be7 7.Be2 =.

6.d4 ed4 7.ed4 Bb7 8.Nf3 Be7 (8...d5 9.Nc3+=) 9.Bd3+/– 0–0 10.0–0 Be4 11.Nc3 Bd3 12.Qd3 Nbd7 13.Rfe1 h6 14.h3 Nh7 (14...Re8 15.Re3+/–) 15.Nd5 Re8 16.Ne7 (16.Qe4 Bg5 17.Qc2 Be7+–) 16...Re7+/– 17.Re7 Qe7 18.Re1 Qf8 19.Qf5 (19.Qe4 Nhf6 20.Qc6 Kh7+/–) 19...Ndf6 20.g4 (20.Bc1 Re8+=) 20...Re8= 21.Re8 Qe8 22.d5 Ne4 23.Kg2 Neg5 24.Ng5 Ng5 25.h4 Qe4 26.Qe4 Ne4 27.Bc1 Kf8 28.Kf3 Nc5 29.Ke3 Ke7 30.f4 g6 31.g5 hg5 32.fg5 f5 33.Bb2 Kf7 34.Bd4 Ne4 35.Kd3 Ng3 36.Bf6 Nh5?? 37.Bd8+– Ng3 38.Bc7 Ne4 39.Bb6 a4 40.Bd4 Ng3 41.b6 (41.b6 Ke7 42.b7 Ne4 43.b8Q Kf7 44.Qc8 a3 45.Qc7 Kf8 46.Bf6 Nc5 47.Ke2 Nd7 48.Qd8 Kf7 49.Qe7 Kg8 50.Qg7#) 1–0. kaasparov – salafistfuzzy, kurnik, 2013.

6.d4 ed4 7.Bd4 Bb7 +=.

6.d4 ed4 7.Bd4 Be7 8.Nd2 0–0 9.Bd3 Bb7 10.Ngf3 Nbd7 11.0–0 Re8 12.Qc2 Nf8 (12...Nc5 13.Rad1=) 13.a3 Ng6 14.Ng5 Nd7 15.Nge4 Nde5 (15...Nc5 16.Bc5 bc5 17.Rad1=) 16.Be2 f5 (16...Nh4 17.f4 Nd7 18.f5+–) 17.Ng3 (17.Nc3!?+=) 17...f4= 18.Nf5 Bf6 19.Rae1 Qd7 20.e4 (20.Be5 Re5 (worse is 20...de5 21.c5 bc5 22.e4+=; worse is 20...Ne5 21.ef4 Ng6 22.g3+/–) 21.Bg4 Qf7+=) 20...Ne7 21.Ne7 Re7 (worse is 21...Be7 22.c5 bc5 23.Be5 de5 24.Nb3+=) 22.f3 Rae8 23.Qc3 Qe6 24.Nb3 Qf7 25.a4 g5 (25...Re6+=) 26.g4? (better is 26.Qd2!?=) 26...h5–/+ 27.h3 hg4 28.hg4 Qg6 29.Kg2 Rh7 30.Rh1 Ree7 31.Nc1? Rh4?? 32.Rh4+= gh4 33.Kf2?? h3 34.Rh1 Rh7 35.Qd2?? Qg5 36.Kf1–/+ h2 37.Qa2?? Kg7 38.Bf2?? Rh3 39.Kg2 Qh6 40.c5 dc5 41.Qe6 (41.Qe6 Be4! 42.g5 Qg5 43.Kh3 Bf5 44.Qf5 Qf5 45.Kh2–+) 1–0. slave81 (1970) – magda1500 (1970), kurnik, 2012.

6.d4 e4 =.

6.Be2 Bb7 7.Nf3 Be7 8.0–0 0–0 9.Nc3 Nbd7 10.d4 Ne8 (10...g6 11.Qc2+=) 11.Qc2+/– f5 (11...Nef6 12.Rad1 ed4 13.ed4+/–) 12.de5 (12.e4 g6+/–) 12...de5 13.Rfd1 Bd6 14.Nd5 e4 15.Nd4 Bd5 (15...Nc5!?+/–) 16.cd5+– Nc5 (16...Qc8 17.f3+–) 17.Ne6 Ne6 18.de6 Qe7 19.Qc6 (19.Bc4 Rd8+–) 19...Rd8 20.Bc4 Kh8 (20...a4 21.Rac1+–) 21.g3 (21.h3!? Nf6+–) 21...Nf6 22.Rac1 Qe8 23.Bb3 (23.Kg2 a4+–) 23...a4+/– 24.Ba4 (24.Qe8!? Rfe8 25.Bc4+/–) 24...Qe6+= 25.Bb3 Qe7 26.a4 (26.Qc4 Ng4+=) 26...h6 27.Rd2 Bg3?? (better is 27...Nd7+=) 28.Rd8+– Bh2 (28...Bf2 29.Kf2 Qd8+–) 29.Kh2 Ng4 (29...Qd8 30.Qc7 Qd2+–) 30.Kg1 Qd8 31.Qc7 Qg5 32.Qf4 Qg6 (32...Qf4 33.ef4 Rd8 34.Rc7+–) 33.Rc6 Nf6 34.Qg3 Qe8 (34...Qg3 35.fg3 Kh7 36.Rb6 Rd8+–) 35.Bf6 (35.Rc7 Rf7 36.Rf7 Qf7 37.Bf7 f4 38.Qf4 Kh7 39.Qf5 Kh8 40.Bf6 gf6 41.Qg4 Kh7 42.Qg8#) 35...gf6 36.Rc7 (36.Rc7 Rg8 37.Bg8 Qg8 38.Qg8 Kg8 39.a5 f4 40.ab6 fe3 41.fe3 Kf8 42.b7 Ke8 43.b8Q#) 1–0. Cernik,Lukas (2180) – Stolz,Lubor (1965), CZE–chT3A Middle, 2005.

6.Nf3 Bb7 7.d4+= ed4 8.Bd4 Nbd7 9.Be2 c5 (9...Be7 10.0–0=) 10.Bb2 (10.bc6 Bc6 11.Nc3 d5+/–) 10...Ng4 (10...Be7 11.0–0+=) 11.0–0+/– Nge5 12.Nbd2 (12.Nc3 Be7+/–) 12...g6 (12...Be7 13.Qc2+=) 13.Ne5 (13.Ne1 Nf6+/–) 13...de5+= 14.Nf3 (14.Bf3 Qc7+=) 14...f6 15.Qc2 Bg7 16.Rad1 Qe7 17.Qd2 (17.Nd2 f5+=) 17...Rd8 (17...e4 18.Ne1=) 18.Qd6+= Qd6 19.Rd6 0–0? (better is 19...Bf8!? 20.Rdd1 Bg7=) 20.Rfd1+– ½–½. Sternik,Ryszard – Pelc,J, corr Poland, 1985.

6.Nf3 Bb7 7.d4 e4 8.Nfd2 d5 9.Nc3 Bb4 10.cd5 (10.Be2 0–0=) 10...Bc3= 11.Bc3 Bd5 12.Bc4 0–0 13.0–0 Re8 14.Qb3 Bc4 15.Qc4 Nd5 16.Rac1 Qd6 17.Bb2 Nd7 18.Nb1 Rac8 19.Ba3 Qe6 20.Rc2 (20.Nc3 N7f6=) 20...c5 21.bc6 Nb8 22.Rfc1 Rc6 23.Qb5 Rec8 24.Rc6 Rc6 25.Rc6 Qc6 26.Qc6 Nc6 27.g4 b5 28.Bd6 b4 29.Nd2 a4 (29...Nc3!?+=) 30.Ne4= b3 (30...a3!?=) 31.ab3+/– ab3 32.Nd2 Na5 33.Ba3 Nb6 34.Kf1 Nbc4 35.Nc4 (better is 35.Nb1+/–) 35...Nc4+= 36.Bc1 b2 37.Bb2 Nb2 38.Ke2 Kf8 39.Kd2 Ke7 40.f4 g6 41.e4 f5+= 42.gf5 gf5 43.Ke3 Nc4 44.Kd3+= Nd6 45.ef5? Kf6–+ 46.d5 Kf5 47.Ke3 h5 48.h3 h4 49.Kf3 Nc4 50.d6 Nd6 51.Ke3 Ne4 52.Kf3 Nc5 53.Ke3 Ne6 54.Kf3 Nf4 55.Kf2 Nh3 56.Kg2 Kg4 57.Kh2 Nf4 58.Kg1 Kh3 59.Kh1 Kg3 60.Kg1 h3 61.Kh1 Nd3 (61...Nd3 62.Kg1 h2 63.Kf1 h1Q 64.Ke2 Qf3 65.Kd2 Nb4 66.Ke1 Qe3 67.Kd1 Qd3 68.Ke1 Nc2#) 0–1. orangutandu – dzienny5, kurnik, 2012.

6.Nf3 Bb7 7.Be2 Nbd7 8.Nc3 (8.0–0 Be7+=) 8...g6 (8...Be7 9.0–0+=) 9.0–0 Bg7 10.d4 0–0 11.Qc2 Re8 12.de5 de5 13.Rfd1 c6 14.a4 (14.bc6 Bc6 15.e4 Qc7+=) 14...Qc7 15.Rac1 Rac8 16.h3 Qb8 17.Ng5 cb5 18.Nb5 Bf8 19.Ba3 Ba3 20.Na3 h6 21.Nf3 Bc6 22.Nb5 Bb5 23.ab5 Re6 24.Nd2 Nc5 25.Nb3 Nfe4 26.Nc5 Nc5 27.Rd5 h5 28.Rcd1+= Qc7 29.Qd2 Kg7 30.Rd8 Re8 31.Rc8+= Rc8 32.Qb2 f6= 33.g4 hg4=+ 34.hg4 Rd8 35.Rd5 Rd5 36.cd5 Ne4 37.f3 Qc3 (38.Qc3 Nc3=+; 37...Nc3 38.e4–/+) 0–1. Manninen,Juha – Kiik,Kalle (2380), FIN–ch op Naantali, 1997.

6.Nf3 Bb7 7.Be2 Be7 8.0–0 =.

6.Nf3 e4 7.Nd4+= d5 (7...Bb7 8.Nc3+=) 8.Nc3 (8.cd5 Qd5 9.Nc3 Qb7+=) 8...dc4 (8...Bc5 9.Nd5 Nd5 10.cd5 Qd5 11.Qc2+/–) 9.Bc4 Bb7 10.Qb3 Qd7 11.Rc1 (11.0–0 Bb4+/–) 11...Bb4 (11...Bc5 12.Na4+=) 12.a3 Bc3 13.Bc3 0–0 14.Ne6 Re8 (14...Rc8 15.Bf6 gf6 16.Nf4+/–) 15.Bf6 gf6 (15...fe6 16.Be5 Bd5 17.Bd5 Qd5 18.Qd5 ed5 19.Bc7+–) 16.Nf4 Qe7 (16...a4 17.Qb2 Qd6 18.d3+/–) 17.0–0 Rd8 (17...a4 18.Qc3 Qe5 19.d4 ed3 20.Rfd1+–) 18.d4 ed3 (18...a4 19.Qb2+–) 19.Bd3 c6 (19...a4 20.Qb1+–) 20.Qd1 (20.Rfd1 a4 21.Qb1 cb5 22.Bh7 Kg7 23.Nh5 Kh8 24.Rd8 Qd8+–) 20...c5 (20...Kf8 21.bc6 Bc6 22.Qb3+–) 21.Qg4 Kh8 (21...Kf8 22.Rfd1 Nd7 23.Bh7+–) 22.Qf5 Rd3 23.Qd3 (23.Qd3 Be4 24.Qc3+–) 1–0. Koskinen,Erkki – Puronaho,Aarno, corr Finland, 1976.

6.Nf3 Bf5 7.d4 e4 8.Qc2 =.

6.Nf3 Bg4 7.Be2 Be7 8.0–0 0–0 9.d3 h6 10.Nbd2 Nbd7 11.h3 Bh5 12.Rc1 Nc5 13.d4 Na4? (better is 13...ed4 14.Nd4 Bg6+=) 14.Ba1 Bf3? (better is 14...e4 15.g4 ef3 16.Bf3 Bg6 17.Ba8 Qa8 18.Qa4 Ne4 19.Ne4 Qe4+–) 15.Bf3 (15.Nf3?! Nc5 16.dc5 bc5+–; 15.gf3?! Nc5 16.dc5 bc5+–) 15...e4 (15...d5 16.Qa4 e4 17.Be2+–) 16.Ne4 (16.Qa4?! ef3 17.Nf3 Re8+/–) 16...Nc5 17.dc5 Ne4 18.Be4 Rb8 19.cd6 Bd6 20.Qc2 Qg5 21.Bf3 f5 22.Qd3 Rbd8 23.Qe2 f4 24.e4 Bc5 25.Rcd1 Kh8 26.Rd8 Rd8 27.Rd1 a4 28.Rd8 Qd8 29.Qd1 Qd1 30.Bd1 a3 31.Be5 Bd6 32.Bd6 cd6 33.f3 g5 34.Kf2 Kg7 35.Ke2 Kf6 36.Kd3 Ke5 37.Kc3 h5 38.Be2 g4 39.hg4 hg4 40.fg4 Ke4 41.Bf3 Ke5 42.Kd3 Kf6 43.Kd4 Ke6 44.Ke4 (44.Ke4 Kf6 45.Kd5+–) 1–0. ourang – ramo56, kurnik, 2012.

6.Nf3 g6 7.Be2 (7.d4 e4 8.Nfd2 Bg7+=) 7...Bg7 8.Nc3 (8.d4 Bb7+=) 8...Nbd7 (8...0–0 9.d4 Nbd7 10.0–0+=) 9.d4 Bb7 10.0–0 0–0 11.Qc2 Rc8 (11...ed4 12.ed4 Re8 13.d5+=) 12.Ba3 (12.de5 de5 13.Rfd1 Qe7+=) 12...Nh5 (12...Re8 13.d5+=) 13.Rad1 f5 (13...ed4 14.Nd4 Nhf6 15.Bf3 Bf3 16.Nf3+=) 14.de5 (14.c5 ed4 15.Nd4 Bd4 16.ed4 bc5 17.dc5 Ne5+–) 14...Ne5+= 15.Ne5 (15.Nd5 Qe8+=) 15...Be5 16.f4 (16.Bh5 gh5 17.Bb2 c6+/–) 16...Bc3 17.Qc3 Nf6 (17...Qf6 18.Qb3 Qe6 19.Bh5 gh5 20.Bb2+=) 18.Bb2 (18.c5!? Bd5 19.Bb2+=) 18...Qe7= 19.Bf3 (19.c5 bc5 20.e4 Be4+= (20...Qe4? 21.Bf3 Qb4 22.Bb7 Qc3 23.Bc3+–)) 19...Be4 20.Qd2 (20.a3 Bf3 21.Rf3 Rce8=) 20...Qe6 (20...Bf3 21.Rf3 Rce8 22.a3=) 21.Bf6 Rf6 22.Be4 Qe4 23.Qd5 Re6 24.Rfe1 Rce8 25.Kf2 Kf8 26.Qd4 Kg8 27.Qd5 Kg7 28.Qe4 Re4+= 29.Rd4 Kf6 30.Re2 R8e6 31.a4 Ke7 32.Re4 Re4 33.Rc2 Kd7 34.Ke2 c6 35.Kd3 c5–/+ 36.g4 Ke6 37.gf5+= gf5 38.Rg2 d5 39.cd5 Kd5 40.Rg5 c4 41.Ke2 Kc5? 42.Rf5+/– Kb4 43.Rf6 Ka4 44.Rb6 Kb3 45.Rc6 Re8 46.Kd2 a4–/+ 47.e4?? a3–+ 48.Ra6 c3 49.Kd3 Rd8 (49...Rd8 50.Ke3 c2–+) 0–1. Laurent,Rudolf – Sippenauer,Werner, Oberpfalz–ch, 2001.

6.h3 Bb7 7.Nf3 Nbd7 8.Be2 Be7 9.0–0 0–0 10.d4 e4 11.Nfd2 c6 (11...d5 12.cd5 Bb4 13.a3 Bd2 14.Qd2 Nd5 15.Qc2+=) 12.a4 (better is 12.bc6!? Bc6 13.d5+/–) 12...d5 13.cd5 cd5 14.Nc3 Bd6 15.Rc1 Rc8 16.Qb3 Bb8 17.Rfe1 Qc7 (17...Bd6 18.Ba3 Qe7 19.Bd6 Qd6 20.Rc2=) 18.Nf1+= Qd8 19.Bg4 (better is 19.Ba3 Re8 20.Rc2+=) 19...Ng4–/+ 20.hg4 Qg5 21.Qd1 Nf6 22.g3 (22.f4!? ef3 23.gf3–/+) 22...Ng4–+ 23.Nh2?? (23.Ba3 Rfe8–+) 23...Nh2 (better is 23...Nf2 24.Qe2 Bg3 25.Qf2 Bf2 26.Kf2 f5–+) 24.Kh2 Rcd8 25.Ne2 (25.Ba3 Rfe8 26.Rh1 Bc8–+) 25...Rd6 (25...Bc8 26.Kg1 Bg4–+) 26.Ng1? (26.Rh1 Rc8–+) 26...Rh6 (26...Rg6 27.Ne2 Qh5 28.Kg2 Qf3 29.Kf1 Qh1 30.Ng1 Bg3 31.Ke2 Bf2 32.Kd2–+) 27.Kg2 f5 (27...Bc8 28.Rc6–+) 28.Rc2 f4 29.ef4 Bf4 30.Bc1 Bc1 31.Rc1?? (better is 31.Qc1 Qh5 32.Kf1–+) 31...Bc8 (31...Rh2 32.Kh2 Rf2 33.Kh3 Qh6 34.Kg4 Qe6 35.Kh4 g5 36.Kh5 Qg6 37.Kg4 Qf5 38.Kh5 Rh2 39.Nh3 Rh3#) 32.Rc7 Bg4 33.Qc2 Qh5 34.Kf1 Bh3 35.Nh3 Qh3 36.Ke2 Rhf6 37.Rf1 Qg2 38.Ke1 e3 39.Qe2 Rf2 40.Rf2 ef2 41.Kd2 f1Q (41...f1Q 42.Re7 Qgf2 43.Re8 Re8 44.Kc3 Re3 45.Qe3 Qc4#) 0–1. vihavald (1630) – mister1962 (1755), kurnik, 2012.

6.Nf3 Be7

7.d4 ed4 8.Nd4 Bb7 9.Nd2 0–0 10.N2f3 Nbd7 11.Be2 Ne5 12.0–0 Nf3 (12...Re8!?=) 13.Bf3+/– (13.gf3?! Qd7=) 13...Bf3 14.Qf3 Rc8 (14...Nd7 15.Nc6 Qe8 16.e4+=) 15.Nc6 Qd7 16.Ne7 Qe7 17.Bf6 Qf6 18.Qf6 gf6 19.Rad1 Rfe8 20.Rd5 Re5 21.Rfd1 Rce8 22.R1d4 Rd5 23.Rd5 Re5 24.Kf1 f5 25.Re5 de5 26.f4 f6 27.Ke2 Kf7 28.Kd3 Ke6 29.g3 Kd6 30.h3 h5 31.h4 (better is 31.a4+=) 31...Kc5?? (better is 31...c6=) 32.e4?? (32.fe5 fe5 33.e4 fe4 34.Ke4 Kc4 35.Ke5 Kb5 36.g4 hg4 37.Kf4–/+) 32...ef4–/+ 33.gf4 fe4 34.Ke4 Kc4 35.Kf5 Kb5 36.Kf6 c5 37.Ke5 c4 38.Kd4= Kb4 39.f5 c3 40.Kd3 Kc5 41.Kc3 b5 42.a3 Kd5+= 43.f6 Ke6 44.Kd4 Kf6 45.Kc5 b4 46.ab4 ab4 47.Kb4 Kf5 48.Kc4 Kg4 49.Kd3 Kh4 50.Ke2 Kg3 51.Kf1 Kf3 52.Kg1 Kg3 53.Kh1 Kh3 54.Kg1 h4 55.Kh1 Kg3 56.Kg1 Kh3 57.Kh1 Kg4 58.Kg2 Kf4 59.Kh3 Kg5 60.Kh2 Kg4 0–1. barborski – emarko (1650), playok.com, 2012.

7.d4 Nbd7 8.de5 de5 9.Ne5 0–0 (9...Bb4 10.Ke2 0–0 11.Nc6+=) 10.Nf3 Bb4 11.Bc3 Bc3 12.Nc3 Qe7 13.a3 Nc5 14.Qc2 Be6 15.Be2 Rad8 16.0–0 g6 17.Nd4 Bd7 18.Bf3 Rfe8 19.Rfd1 Qf8 20.Nd5 Nfe4? (better is 20...Qd6+–) 21.Nc7 Re7 (21...Re5 22.Be4 Ne4 23.Nf3+–) 22.Nd5 Re6 (22...Ree8 23.Nb6 Ng5 24.Bc6 Bc6 25.Nc6 (worse is 25.bc6 Nge6+–) 25...Rd1 26.Rd1+–) 23.Ne6 Be6 (23...fe6 24.Nb6 Ng5 25.Bg4+–) 24.Be4 Ne4 25.Qe4 Bf5 (25...Bd5 26.Rd5 Rd6+–) 26.Ne7 Kg7 27.Nf5 (better is 27.Qe5 f6 28.Nf5 Kh8 29.Rd8 Qd8+– (29...fe5?? 30.Rf8)) 27...gf5 28.Qf5 Re8 29.Qg5 Kh8 30.Qf6 Kg8 31.Rd4 Qg7 32.Qg7 Kg7 33.Rc1 Re6 34.c5 bc5 35.Rc5 Rb6 36.a4 h6 37.f3 Re6 38.Kf2 Kf6 39.Rc6 Ke5 40.Re6 fe6 41.b6 (41.b6 Kf6 42.b7 e5 43.Rd6 Ke7 44.b8Q Kf7 45.Qc7 Ke8 46.Rd8) 1–0. aleksanderpl (1610) – olek1935, kurnik, 2012.

7.d4 e4 8.Nfd2 c6 +=.

7.Be2 0–0 8.0–0 Nbd7 9.d4+= e4 10.Nfd2 Bb7 11.d5 Nc5 12.Qc2 Bc8 13.Nc3 (13.Bd4 Bf5+/–) 13...Bf5 14.Ba3 (14.f3 ef3 15.Qf5 fe2 16.Ne2 Qd7+=) 14...Re8= 15.Rad1 Bf8 16.Bb2 Nfd7 17.f3 Qg5 18.fe4 Qe3 19.Kh1 (19.Rf2 Bg6+=) 19...Be4 20.Nde4 Ne4 21.Bd3 Nef6 22.Rf3 (22.Bc1 Qe5=) 22...Qe7 23.Rdf1 g6 (23...Ne5 24.Re3=) 24.Ne2 Bg7 25.Nd4 Ne5 26.Rf6? (better is 26.Nc6 Nc6 27.bc6+=) 26...Bf6–+ 27.Nc6 Nc6 28.Bf6 Nb4 29.Qc3? (better is 29.Qd1 Qe3 30.Bb1–+) 29...Qe3 30.Bh8 Re5?? (better is 30...f6 31.Qf6 Qe7 32.Qe7 Re7–+) 31.Be5–/+ Qe5 (31...de5 32.Rf3 Na2 33.Re3 Nc3–+) 32.Qe5= de5 33.Bb1 e4 34.Be4 Na2 35.d6!+/– Rd8 36.c5?? cd6–/+ 37.Bd5 Nc3 38.Bf7 Kg7 39.c6 Rf8 40.Kg1? Nb5–+ 41.Rb1?! Nc7 42.Bc4 Rb8 43.Kf2 Kf6 44.Ke3 d5 45.Be2 Ke5 46.Rf1 h5 47.Rf7 Rc8 48.g4 h4 49.g5 Ne6 50.Rf6 Rc6 51.Bb5 d4 52.Kd2 Rc5 53.Bd7 Ng5 54.Rg6 Ne4 55.Kd1 b5 56.Rh6 Nf6 (56...Nf6 57.Bh3 b4–+) 0–1. Vila Martinez,JR – Veira Vazquez,J, 1986.

7.Be2 0–0 8.0–0 e4 9.Nd4 +=.

7.Be2 0–0 8.0–0 Ne4 9.d4+= ed4 10.ed4 Bg4 11.h3 Bh5 12.Re1 Nd7 13.Nbd2 Nd2 14.Nd2 Be2 15.Qe2 Bf6 16.Nf3 Re8 17.Qd2 Re1 18.Re1 Qf8 19.Ba3 Re8 20.Re8 Qe8 21.Qe3 Qe3 22.fe3 g5 23.g4 Kg7 24.Kf2 Kg6 25.Ke2 h5 26.Kd3 h4 27.e4 Nf8 28.c5 (28.e5!? Be7 29.d5+/–) 28...dc5+= 29.dc5 Ne6 30.Kc4 Nf4 (30...Nc5? 31.Bc5 bc5 32.Kc5+–; worse is 30...bc5 31.Bc5 Nf4 32.Ng1+=) 31.Ng1 Be5 32.Bc1 Ne6 (better is 32...Ng2!?+=) 33.cb6+– cb6 34.Be3 Bc7 35.Kd5 Nf4 36.Kc6 Bd8 37.Bb6 Bb6 38.Kb6 a4 39.Ka7 1–0. marvis (1715) – anamarija86 (1645), kurnik, 2012.

7.Be2 Bb7 8.Qc2 0–0 9.Nc3 Nbd7 10.0–0 Qe8 11.h3 Nc5 12.d4 Ncd7 13.Nh4 g6 14.Nf3 Rc8 15.d5 Nc5 16.Na4 Na4 17.Qa4 Qd7 (17...Ne4 18.a3+=) 18.Nd2+/– Qf5 19.f4 e4 20.Rac1 h5 21.g4 (21.a3!?+/–) 21...hg4+= 22.Bf6 Qf6 23.Bg4 Qh4= 24.Rf2?? f5–+ 25.Be2 Qh3?? 26.Qb3+= Bh4?? 27.Rg2?? Kf7?? 28.c5?? bc5 29.Nf1 Rh8 30.Rh2 Bf2 31.Kf2 (31.Kf2 Qh2 32.Nh2 Rh2 33.Ke1+–) 1–0. orangutanb4 (2010) – kapibara8 (1755), kurnik, 2011.

7.Be2 e4 8.Nd4 +=.

5.c4 c5

6.a4 Bf5 7.d3 b6 8.g3 h5 9.Bg2 h4 10.Ba8 hg3 11.hg3 Rh1 12.Bh1 Ng4 13.e4 Be6 14.Nd2 g6 15.Qe2 Bh6 16.0–0–0 Qf6 17.f3 Ne3 18.Re1 Nd7 19.Kb1 Qg5 20.Nf1 Nf1 21.Rf1 Qg3 22.Bc1 Bc1 23.Kc1 Qf4 24.Kc2 Nf6 25.Qd2 Qg3 26.Ne2 Qh3 27.Qe1 Nh5 28.Rg1 Qh2 29.Kd1 f5 30.Rg2 Qh3 31.Qf1 fe4 32.de4 Bc4 33.Ng1 Bf1 34.Nh3 Bg2 35.Ng1 1–0. amator111 – bregu12, kurnik, 2013.

6.Nc3 a4 A) 7.Nf3 A1) 7...Bf5 8.Na4 (8.Be2 a3 9.Bc1 Be7 10.Qb3 Qa5 11.Nh4 Be6 12.0–0) 8...Nbd7 9.Be2 Be7 10.0–0 0–0 11.d3 h6 12.Nc3; A2) 7...a3 8.Bc1 Be7 9.Bd3 0–0 10.Rb1 h6 11.Rb3 Be6 12.0–0; A3) 7...Nbd7 8.Be2 (8.Bd3 Nb6 9.0–0 Be6 10.Qe2 a3 11.Bc1 Be7 12.Ng5) 8...a3 9.Bc1 Be7 10.0–0 0–0 11.d3 h6 12.Qb3; B) 7.Be2 B1) 7...Bf5 8.Na4 (8.a3 Be7 9.g4 Bg6 10.d3 h6 11.Nf3 Nbd7 12.Nh4) 8...Qa5 9.Nc3 Qb4 10.Bc1 Be7 11.g4 Bg6 12.Nf3; B2) 7...Be7 8.Na4 (8.Qc2 a3 9.Bc1 0–0 10.Nf3 h6 11.0–0 Be6 12.Rb1) 8...0–0 9.Nc3 Bf5 10.Nf3 e4 11.Nh4 Be6 12.g4; B3) 7...a3 8.Bc1 Be7 9.Qc2 0–0 10.Nf3 h6 11.0–0 Be6 12.Rb1; C) 7.a3 C1) 7...Bf5 8.h3 (8.Nge2 Nbd7 9.Ng3 Be6 10.Bd3 Nb6 11.Qe2 Be7 12.0–0) 8...Be7 9.g4 Be6 10.Nf3 Nbd7 11.Ng5 0–0 12.Ne6; C2) 7...Qe7 8.Qc2 (8.Be2 Nbd7 9.Na4 g6 10.Nf3 e4 11.Ng5 h6 12.Nh3) 8...Nbd7 9.Nf3 Nb6 10.Be2 e4 11.Ng5 Bf5 12.d3; C3) 7...Nbd7 8.Bd3 (8.Na4 b6 9.Be2 Be7 10.d3 0–0 11.Nf3 Bb7 12.0–0) 8...Qe7 9.Nh3 e4 10.Be2 Ne5 11.Na4 Bh3 12.gh3; D) 7.Na4 D1) 7...Nbd7 8.Nc3 (8.Be2 Be7 9.Nc3 0–0 10.Nf3 Nb6 11.0–0 Be6 12.Qb3) 8...Nb6 9.Nf3 Bf5 10.a4 Ra5 11.Qb3 Be7 12.d3; D2) 7...Bf5 8.Nc3 (8.Ne2 Qa5 9.Nac3 Nbd7 10.Ng3 Be6 11.Qb3 Qb4 12.Nge4) 8...Be7 9.Nge2 0–0 10.Ng3 Be6 11.Qf3 Qd7 12.h3; D3) 7...Be7 8.Nc3 (8.Qc2 Nbd7 9.Be2 h6 10.Nf3 0–0 11.0–0 Qa5 12.Nc3) 8...0–0 9.Qc2 Be6 10.Nf3 Nbd7 11.Ng5 Nb6 12.Bd3.

6.Nc3 d5 7.cd5 Bd6 8.e4 +=.

6.Nc3 Be6 7.d3 Be7 8.Nf3 h6 9.Be2 0–0 10.Qc2 Ne8 11.0–0 f5 12.Rad1 Bf6 13.d4 cd4 14.ed4 e4 15.Ne1 Nd7 16.d5 Bf7 17.Na4 Rc8 18.Qb3 Bb2 19.Qb2 Nc5 20.Nc5 Rc5 21.Nc2 Qc8 22.Nd4 a4 23.a3 g5 24.Qd2 f4 25.Qc2 Nf6 26.Qb2 Qd8 27.Qd2 Re8 28.Nf5 Kh7 29.Nd4 e3?? (better is 29...Kg8=) 30.fe3+– Re3 31.Bd3 Kg7? (better is 31...Bg6 32.Bg6 Kg6 33.Qc2 Re4+/–) 32.Nf5 Kf8 33.Ne3 fe3 34.Qe3 Kg7 35.Qf3 (35.Qf3 Bh5 36.Qf5+–) 1–0. lotensol8 – karoo54, kurnik, 2012.

6.Nc3 Qe7 A) 7.Be2 A1) 7...g6 8.h4 (8.Nf3 Bg7 9.0–0 0–0 10.Ng5 Nbd7 11.d3 Nb6 12.Qd2) 8...Nbd7 9.Nf3 Nb6 10.Ng5 Bg7 11.0–0 0–0 12.d3; A2) 7...e4 8.Nh3 (8.Qc2 a4 9.Na4 Nbd7 10.f4 Ng4 11.Bg4 Qh4 12.g3) 8...Bh3 9.gh3 Nbd7 10.Qc2 Nb6 11.0–0 Qe6 12.d3; A3) 7...Nbd7 8.d3 (8.Nh3 Nb6 9.Ng5 g6 10.0–0 Bg7 11.f4 0–0 12.Bd3) 8...g6 9.Nf3 Bg7 10.0–0 0–0 11.Ng5 Nb6 12.Qd2; B) 7.Nh3 B1) 7...Bf5 8.f3 (8.Be2 h6 9.0–0 Nbd7 10.d3 Nb6 11.Qd2 Qd7 12.f4) 8...h6 9.Nf2 Nbd7 10.Nfe4 Qe6 11.Bd3 Be7 12.0–0; B2) 7...h6 8.Bd3 (8.Qc2 Nbd7 9.Be2 Nb6 10.0–0 Bh3 11.gh3 Qe6 12.Bf3) 8...Nbd7 9.0–0 Nb6 10.Na4 Na4 11.Qa4 Bh3 12.gh3; B3) 7...Nbd7 8.Ng5 (8.Be2 Nb6 9.0–0 Bh3 10.gh3 Qd7 11.Kg2 Be7 12.d3) 8...h6 9.Nge4 a4 10.Nf6 Nf6 11.Na4 Qc7 12.Bd3; C) 7.h3 C1) 7...h6 8.Be2 (8.d3 Nbd7 9.Be2 Qe6 10.Bf3 Be7 11.Nge2 0–0 12.0–0) 8...Nbd7 9.d3 Qe6 10.Nf3 Be7 11.0–0 0–0 12.Qb3; C2) 7...Bf5 8.g4 (8.Nf3 Nbd7 9.d3 g6 10.g4 Be6 11.Bg2 h6 12.g5 ) 8...Be6 9.Nf3 h6 10.Bd3 Nbd7 11.Qe2 g6 12.g5; C3) 7...Nbd7 8.Be2 (8.Qc2 Nb6 9.Nf3 Be6 10.d3 g6 11.Ng5 d5 12.cd5) 8...Nb6 9.d3 g6 10.Nf3 Bg7 11.0–0 0–0 12.Qc2; D) 7.Qc2 D1) 7...Nbd7 8.Nf3 (8.Be2 Nb6 9.Nf3 g6 10.0–0 Bg7 11.Ng5 0–0 12.f4) 8...Nb6 9.Be2 Be6 10.d3 g6 11.Ng5 Bf5 12.0–0; D2) 7...g6 8.Nf3 (8.Bd3 Nbd7 9.Nf3 Bg7 10.0–0 0–0 11.Ng5 Nb6 12.h3) 8...Nbd7 9.Bd3 Bg7 10.0–0 0–0 11.Ng5 Nb6 12.h3; D3) 7...Be6 8.Nf3 (8.Nh3 d5 9.cd5 Nd5 10.Qe4 Qd6 11.f4 f5 12.Qe5) 8...Nbd7 9.Ng5 h6 10.Ne6 Qe6 11.Be2 Be7 12.0–0.

6.c4 d6 7.Nf3 b6 (7...e4!? 8.Ng1 d5=) 8.Nc3 Be7 9.Be2 0–0 10.Qc2 Nbd7 11.h3 g6 (11...Bb7 12.0–0=) 12.0–0+= Bb7 13.Rad1 e4 (13...d5 14.cd5 Nd5 15.Nd5 Bd5 16.Ne5 Ba2 17.Nc6+/–) 14.Ne1 (14.Ng5 Re8+/–) 14...Ne5 15.d4 Ned7 (better is 15...ed3!? 16.Bd3 Re8+=) 16.d5+– Re8 17.Ne4 Ne4 18.Qe4 Bf6 19.Qc2 Bb2 20.Qb2 Ne5 21.Nf3 f6 22.Ne5 fe5 23.Bd3 Rf8 24.Be4 Qg5 25.Qe2 Rf6 26.Qg4 Qh6 27.Qg3 Raf8 28.Bf3 Bc8 29.Bg4 Bg4 30.Qg4 Rf5 31.Rd3 Qg7 32.f3 Qf6 33.e4 Rf4 34.Qe6 Qe6? (better is 34...Kh8+/–) 35.de6+– Rd8 (35...Re8 36.Rd6 Rf6 37.Rb6 Ree6 38.Re6 Re6 39.Rd1+–) 36.e7 (36.e7 Re8 37.Rd6 Re7 38.Rb6+–) 1–0. orangutanb4 (1920) – jpawlo123 (1735), kurnik, 2011.

6.d4 cd4 7.ed4 e4 =.

6.d4 cd4 7.ed4 Be7 8.Nf3 (8.de5 de5 9.Qd8 Kd8 10.Be5 Re8+=) 8...e4= 9.Nfd2 0–0 10.d5 (better is 10.Nc3=) 10...Nc6?? (better is 10...Bf5=) 11.dc6+– bc6 12.a4 (12.Nc3 cb5 13.Nb5 Rb8+–) 12...d5 13.Be2 (13.Nc3!? Qb6+–) 13...d4+/– 14.Ne4 Ne4 15.Bf3 (better is 15.Qd4 Qd4 16.Bd4 Bb4 17.Kf1 cb5 18.cb5+/–) 15...Bb4= 16.Kf1 Re8 (16...Qe7 17.Bd4 Rd8–+) 17.Qd4+= (17.Bd4 Be6 18.Be2 c5–+) 17...Qd4 18.Bd4 Ng5 (better is 18...Be6!? 19.Be2 Rac8=) 19.Be2+/– cb5 20.ab5 Bb7 21.f3 (21.Be3 Ne4+/–) 21...Rad8 (21...Ne6 22.Be3+/–) 22.Bc3 Re3 (22...Ne6!? 23.Bb4 ab4+/–) 23.Bb4+– ab4 24.Kf2 Rde8 25.Ra2 (25.Bd1 Rd3+–) 25...f5 (25...R8e5+–) 26.Rd1 f4 (26...Kf8 27.Rb2+–) 27.c5 b3 (27...Kf8 28.c6 b3 29.Rb2+–) 28.Rb2 (28.Bc4 Kf8 29.Rb2 Rc8+–) 28...Ne6 (28...Bc8 29.b6 Be6 30.h4+–) 29.c6 Bc8 (29...Bc6 30.bc6 Rc8 31.Bb5+–) 30.Bc4 Kf8 31.Bb3 (31.Rb3 Nd8+–) 31...Nd4 (31...Nc5 32.Bc4 Na4+–) 32.Rd4 (32.Rd4 g5 33.b6+–) 1–0. Suess,Stefan – Andre,Karl, corr ICCF, 1986.

6.d4 ed4 7.ed4 Be7 8.Bd3 =.

6.Be2 Nbd7 7.Qc2 b6 8.Bf3 Rb8 9.Nc3 Bb7 10.Bc6 Qc7 11.Nd5 (11.Bb7 Qb7 12.e4 Nh5+=) 11...Nd5= 12.cd5 Be7 13.Ne2 0–0 14.a4 f5 15.Qc4 Kh8 16.0–0 Bf6 17.f3 Rbe8 18.d4 (18.Qc2 f4+=) 18...Re7 (18...ed4 19.ed4 Rf7 20.Nf4+=) 19.Ng3 Bh4? (19...Bg5 20.f4 ef4 21.ef4+=) 20.de5 (better is 20.dc5 Bg3 21.cd6 (21.hg3?! Nc5 22.Ba3 Bc6 23.bc6 Rfe8+=) 21...Qd6 22.Bb7+–) 20...Ne5?? (20...Bg3 21.hg3 Ne5= (21...de5? 22.d6 Qd6 23.Bb7+–)) 21.Be5 Re5 22.Qh4 Re3 23.Qf4 Re5 24.Rae1 Bc6 25.dc6 Rfe8 26.Re5 de5 27.Qf5 Qd6 28.Qd7 Qd4 29.Kh1 Rd8 30.Qd4 ed4 31.Ne4 Kg8 32.Rd1 Kf8 33.Kg1 Ke7 34.Kf2 Rd5 35.Ke2 1–0. orangutandu – andreiush123, kurnik, 2012.

6.Be2 Be7 7.d3 Nbd7 8.Nf3 0–0 9.0–0 Qc7 10.Nc3 Nb6 11.Na4 h6 12.Nb6 Qb6 13.a4 Rd8 14.Qb3 Be6 15.Rad1 d5 (better is 15...Qc7!?=) 16.Ne5+/– dc4 (16...d4 17.Rde1+/–) 17.Nc4+– Qc7 18.Qc2 Bc4 19.dc4 Nd7 (19...Ne8 20.f4+–) 20.Bc3 (20.Bg4 Bf6+–) 20...Bd6 (20...Bf6 21.Bd2+–) 21.h3 (21.f4 Be7+–) 21...Nb6 (21...Bh2 22.Kh1 Be5 23.Bd2+–) 22.Bb2 (22.f4!? Qe7 23.Rf3 f6+–) 22...Bh2 23.Kh1 Be5 24.Be5 Qe5 25.Bf3 Qe7 26.Rd8 Rd8 27.Rd1 Rd1 28.Bd1 Qh4 (28...Qf6 29.Bf3+–) 29.Bg4 h5 30.Bf3 (30.g3!? Qf6 31.Bh5+/–) 30...Qc4 31.Qc4 (31.Qd2!? Na4 32.Qa5+/–) 31...Nc4= 32.Bd5 (32.Bb7 Nb6=) 32...Nb2 33.Bb7 Na4 34.Bd5?? (better is 34.Be4+=) 34...Nb6–+ 35.Ba2 c4 36.Kg1 (36.Bb1 a4 37.g4–+) 36...c3 37.Bb1 a4 38.Kf1 a3 39.Ke2 c2! 40.Bc2 a2 0–1. Petrochenko,Maria (1755) – Malova,Anna (1815), M. Chigorin Memorial, 2013.

6.Nf3 b6 7.Be2 Bb7 (7...e4!? 8.Ng1 d5=) 8.0–0+= Be7 9.d4 e4 10.Nfd2 cd4 (10...d5 11.dc5 bc5 12.cd5 Qd5 13.Nc3+/–) 11.ed4 (11.Bd4!? Nbd7 12.Nc3+/–) 11...d5= 12.Nc3 0–0 13.cd5 Bd5 14.Nd5 Qd5 15.Bc4 Qg5 (15...Qf5 16.f3 e3 17.Re1+/–) 16.Re1 Qg6 (16...Bd6 17.Ne4 Ne4 18.Re4+–) 17.Qc2 (17.Ne4 Ne4 18.Qd3 Bb4 19.Re4 Nd7+–) 17...e3? (better is 17...Bb4 18.Rac1 Nbd7+=) 18.Qg6+– ef2?? (18...hg6 19.Re3 Bd6+–) 19.Kf2 hg6 20.Re7 1–0. carocan (1695) – mors32 (1670), kurnik, 2011.

6.Nf3 e4 7.Ng1 =.

6.Nf3 Be7 7.d4 ed4 8.ed4 b6 9.d5 0–0 10.Be2 Re8 11.0–0 Nbd7 12.Re1 Nf8 13.Nbd2 Bf5 14.Nh4 Bd7 15.g3 Ng6 16.Ng6 hg6 17.Bf3 g5 18.Qc2 g4 19.Bg2 Qc8 20.Ne4 Bf5 21.Nf6 Bf6 22.Qd2 Bb2 23.Qb2 Bd3 24.Qc3 Qf5 25.Rad1 Be4 26.Be4 Re4 27.Re3 Re3 28.Qe3 g5 29.Re1 Kg7 30.Qc3 Kg6 31.Re7 Rd8 32.Qe3 Rd7 33.Re8 f6 34.Rg8 Kh7 35.Qe8 1–0. barborski (1640) – mzubizareta (1665), kurnik, 2013.

6.Nf3 Be7 7.Be2 0–0 8.0–0 Bg4 9.Nc3 Nbd7 10.h3 Bh5 11.d4 cd4 12.ed4 e4 13.Nd2 Bg6 14.Re1 Re8 15.Bf1 Bf8 16.Ba3 b6 17.Rc1 Rc8 18.h4 h5 19.Be2 Qc7 20.Nf1 Qb7 21.Ng3 e3 22.f3 (22.fe3!? Re3 23.Bf3 Re1 24.Qe1+=) 22...d5+= 23.cd5?? (better is 23.Bf8 Nf8 24.Na4=) 23...Ba3–+ 24.Nce4 (24.Qb3 Bc1 25.Rc1–+) 24...Rc1 25.Nf6 Nf6 26.Qc1 Bc1 27.Rc1 Qd5 28.Rc6 Qd4 29.Nf1 Bd3 (29...Bd3 30.Rf6 Be2–+) 0–1. orangutanb4 (2025) – neuromancer (1860), kurnik, 2012.

6.Nf3 Be7 7.Be2 Be6 8.0–0 Nbd7 9.d4 e4 10.Nfd2 b6? (better is 10...0–0+=) 11.d5+– Bf5 12.Nc3 (12.g4!? Bg6 13.g5 Nd5 14.cd5 Bg5+–) 12...0–0+/– 13.Qb1 Re8 14.Nce4 Ne4 15.Ne4 Bf8 (15...Be4 16.Qe4 Bf6 17.Bf6 Nf6 18.Qh4+/–) 16.Bd3+– Kh8 (16...Bg6 17.f4+–) 17.Ng3 (17.Nc5!? Bd3 18.Nd3 Rc8+–) 17...Bd3 18.Qd3 Ne5 19.Be5 Re5 20.f4 Re8 21.e4 g6 22.Rae1 Bg7 23.Re2 Qe7 24.Rfe1 Bd4 25.Kh1 Ra7 26.Nf1 Qh4+/– 27.Qg3 Qh6 28.Nd2 Rae7 29.Nb3 Bf6 30.h3 Bh4= 31.Qf3 Be1–/+ 32.Re1 f5 33.e5 de5 34.d6 e4–+ 35.Qc3 Qg7 36.Qd2 Rd7 37.Qd5 Qf6 38.Rd1 Red8 39.Qe5 Rd6 40.Qf6+– Rf6 41.Rd8 (41.Rd8 Kg7 42.Rd7 Kh6 43.Kg1+–) 1–0. carocan (1700) – mors32 (1660), kurnik, 2011.

6.Nf3 Bf5 7.Be2 Nbd7 (7...e4 8.Ng1=) 8.Nc3 b6 (8...e4!? 9.Nh4 Be6+=) 9.0–0 Be7 10.d4 ed4 11.ed4 0–0 12.d5 (12.Nh4 Be6+/–) 12...Re8 13.Bd3 Bg4 14.h3 Bh5 15.Be2 Bf3 16.Bf3 Ne5 17.Be2 Nfd7 18.Ne4 f5 19.Ng3 g6 20.f4 Nf7 21.Bd3 Bf6 22.Qc2 (22.Rb1!?=) 22...Bb2+= 23.Qb2 Qf6 (23...Re3!? 24.Nf5 gf5 25.Bf5 Qe7+=) 24.Qc2 (24.Qf6!? Nf6 25.Rfe1+=) 24...Re3= 25.Rae1?? (better is 25.Ne2=) 25...Rg3–+ 26.Re6?? (26.Kh2 Qh4 27.Re6–+) 26...Qd4 27.Kh2 Qd3 28.Qb2 Re3 29.Re1 Re1 30.Re1 Qd4 31.Qc1 Nf6 32.Re6 Re8 33.a4 Kf8 34.Qe1 Ne4 35.Qh4 Re6 36.de6 Nf6 37.ef7 Kf7 38.Qg5 Qc4 39.h4 Qe2 40.Qg3 Qg4 41.Qb3 d5 42.Qe3 d4 43.Qe5 Qh4 44.Kg1 Ng4 45.Qc7 Kf6 46.Qd8+– Ke6 47.Qh4 Kd5?? 48.Qd8 Kc4 49.Qb6 d3 50.Qe6 Kc3 51.b6 d2 52.Qd6 Ne3 53.b7 d1Q 54.Qd1 Nd1 55.b8Q Kc4 56.Qb5 Kd4 57.Qa5 Nc3 58.Qd8 (58.Qd8 Kc4 59.Qg8 Kb4 60.Qh7 Ne2 61.Kh2+–) 1–0. orangutanb4 (2000) – kostas49 (1790), kurnik, 2011.

6.Nc3 Nbd7

7.Qc2 A) 7...Be7 8.Bd3 (8.Nf3 Nb6 9.Bd3 Be6 10.Ne2 h6 11.0–0 0–0 12.Ng3) 8...Nb6 9.Nf3 Be6 10.Ne4 h6 11.Nf6 Bf6 12.0–0; B) 7...Qc7 8.Nf3 Nb6 9.Be2 Be7 10.0–0 Be6 11.Ng5 Bc4 12.d3; C) 7...Nb6 8.Nf3 (8.Be2 Be6 9.d3 Be7 10.Nf3 0–0 11.0–0 h6 12.a4) 8...Be7 9.Bd3 a4 10.a3 Be6 11.Ne2 h6 12.0–0.

7.Bd3 A) 7...Nb6 8.Nf3 (8.Nh3 d5 9.cd5 c4 10.Be2 Nfd5 11.Bf3 Nc3 12.dc3) 8...a4 9.Rc1 Be7 10.a3 Be6 11.Qe2 h6 12.0–0; B) 7...Qe7 8.e4 (8.f3 Nb6 9.Nh3 Bh3 10.gh3 Qe6 11.Qe2 Be7 12.Rg1) 8...Nb6 9.Nf3 g6 10.0–0 Bg7 11.a4 0–0 12.Qe2; C) 7...Be7 8.Nf3 (8.h3 0–0 9.Nf3 Nb6 10.0–0 Be6 11.Qe2 e4 12.Ne4) 8...0–0 9.0–0 Nb6 10.Qc2 h6 11.a4 Be6 12.Qb3.

7.Be2 Be7 8.Nf3 b6 9.d3 0–0 10.h3 Re8 11.e4 Nf8 12.Nh2 Ne6 13.Nd5 Nd5 14.ed5 Nf4 15.Bf3 (15.0–0!?+=) 15...Bf5–/+ 16.Be4 Be4 17.de4 Ng2 18.Kf1 Nf4 19.Qf3 Qd7 20.Ng4 f5 21.Ne5? (better is 21.ef5 Qf5 22.Ne3 Qd3 23.Ke1–+) 21...de5 22.Be5 Ng6 23.Bg7 Kg7 24.ef5 Rf8 25.Re1 Rf5 26.Qg4 Raf8 27.Rh2 Bh4 28.Re2 Qf7 29.Rg2 Bf2 30.Ref2 Rf2 31.Kg1 Rf1 (31...Qe7 32.Qd1 Rg2 33.Kg2 Nh4 34.Kg3 Qe3 35.Kh4 Rf4 36.Qg4 Kh6 37.Qf4 Qf4#) 32.Kh2 Qc7 33.Qg3 Qg3 (33...Qg3 34.Kg3 Kh6–+) 0–1. Hoelldorfer,August – Dlusztus,Kornel, Bayern–ch Seniors, 1993. (=1.c4 Nf6 2.b4 a5 3.b5 e5 4.Bb2 d6 5.e3 c5)

7.Nf3 A) 7...a4 8.Bd3 (8.a3 Nb6 9.Bd3 e4 10.Ne4 Ne4 11.Be4 Nc4 12.Bc3) 8...Nb6 9.0–0 Be6 10.Qe2 a3 11.Bc1 Be7 12.Ng5; B) 7...Be7 8.Bd3 (8.a4 0–0 9.Bd3 h6 10.0–0 b6 11.Qc2 Bb7 12.h3) 8...0–0 9.0–0 Nb6 10.a4 Be6 11.Qb3 h6 12.h3; C) 7...Nb6 8.Bd3 (8.Be2 Bf5 9.d3 Be7 10.0–0 0–0 11.Qd2 h6 12.h3) 8...e4 9.Ne4 Ne4 10.Be4 Nc4 11.Bc3 d5 12.Bd3.

7.Nh3 A) 7...Be7 8.Bd3 (8.Ng5 Nb6 9.Bd3 Ng4 10.Nf3 f5 11.Na4 Na4 12.Qa4) 8...Nb6 9.Ng5 Ng4 10.Nf3 Be6 11.Qe2 f5 12.e4; B) 7...h6 8.Qc2 (8.Be2 Nb6 9.0–0 Be7 10.Qc2 0–0 11.f4 Bh3 12.gh3) 8...Nb6 9.Be2 Be7 10.0–0 0–0 11.f4 Bh3 12.gh3; C) 7...Nb6 8.Ng5 (8.Qf3 Be7 9.Bd3 0–0 10.Ng5 h6 11.Nge4 Ne4 12.Be4) 8...h6 9.Nge4 Be6 10.Nf6 Qf6 11.d3 a4 12.a3.

6.Nc3 Be7

7.Bd3 A) 7...0–0 8.Qc2 (8.Nf3 Nbd7 9.0–0 Nb6 10.a4 Be6 11.Qb3 h6 12.Rac1) 8...Nbd7 9.Nf3 Nb6 10.0–0 h6 11.Ne4 Be6 12.Ng3; B) 7...h6 8.Qf3 (8.Nf3 0–0 9.0–0 Be6 10.Qb3 Nbd7 11.h3 a4 12.Qd1) 8...0–0 9.Nge2 Nbd7 10.Ng3 Nb6 11.Nf5 Be6 12.0–0; C) 7...Nbd7 8.Nf3 (8.a3 0–0 9.Nf3 b6 10.0–0 Bb7 11.Qc2 Qc7 12.h3) 8...0–0 9.0–0 Nb6 10.a4 Be6 11.Qb3 h6 12.Rac1.

7.Be2 A) 7...h6 8.Qc2 (8.Bd3 Be6 9.a4 d5 10.cd5 Bd5 11.f3 Be6 12.Qe2) 8...0–0 9.Nf3 Be6 10.0–0 Nbd7 11.h3 Qc7 12.a4; B) 7...0–0 8.Nf3 (8.Qc2 Be6 9.Nf3 h6 10.0–0 Nbd7 11.Rfe1 Nb6 12.d3) 8...Bf5 9.0–0 Nbd7 10.d3 h6 11.e4 Be6 12.Nd5; C) 7...Nbd7 8.Nf3 (8.Bd3 Nb6 9.Nf3 Be6 10.Qe2 h6 11.0–0 0–0 12.Rac1) 8...Nb6 9.0–0 Be6 10.d3 h6 11.Qc2 a4 12.h3.

7.Nf3 0–0 8.Bd3 (8.Qc2 h6 9.Bd3 Nbd7 10.0–0 Nb6 11.Ne4 Be6 12.Ng3) 8...h6 9.0–0 Be6 10.h3 Nbd7 11.a4 Nb6 12.Qb3.

7.Nf3 Bf5 8.d4 cd4 9.ed4 e4 10.Nd2 d5 11.Be2 0–0 12.0–0 Nbd7 13.g4 Be6 14.cd5 Nd5 15.Nde4 N7b6 16.Nc5 Nc3 17.Bc3 Bd5 18.Bf3 Bd6 19.Nb7 Bh2 20.Kh2 Qc7 21.Kg2 Qb7 22.Qd3 Rfc8 23.Rfc1 Qd7 24.Qf5 Be6 25.Qg5 h6 26.Qf4 Bd5 27.Rab1 Rc4 28.Qf5 Be6 29.Qd3 Rac8 30.Kg1 Bd5 31.Bb2 Rb4 32.Bc3 Ra4 33.Bd5 Nd5 34.b6 Ra3 35.b7 Rb8 36.f3 Rb7 37.Rb7 Qb7 38.Qc4 a4 39.Kf2 Nb6 40.Qe2 Qb8 41.Qe5 Ra2–+ 42.Kg3 Qe5 43.de5 Nd5 44.Bd4 Rd2 45.Ba1 g5 46.Rc8 Kh7 47.Rf8 Ne3 48.f4 Rd1 49.Kf3 Ra1 50.Ke3–/+ gf4 51.Kf4 a3 52.Rf7 Kg6 53.Ra7 a2 54.Ra6 Kf7 55.Ra7 Ke6 56.Ra6 Kd7 57.Ra7 Kc6 58.Ra6 Kb7 59.Ra3 Rf1 (59...Rf1 60.Ke4 a1Q 61.Ra1 Ra1–+) 0–1. pcmvr – Void, playchess.de, 2005.

7.Nf3 Bf5 8.Ng5 Qc8 9.d3 0–0 10.Be2 h6 11.Nge4 Nbd7 12.0–0.

7.Nf3 Bf5 8.h3 0–0 9.g4 Bg6 10.Bg2 Bd3 11.Nh4 Bc4 12.g5.

7.Nf3 h6 8.Bd3 (8.Qc2 Be6 9.Be2 0–0 10.0–0 Nbd7 11.h3 Qc7 12.a4) 8...0–0 9.0–0 Be6 10.Qb3 Nbd7 11.a4 Nb6 12.h3.

7.Nh3 A) 7...Nbd7 8.Bd3 (8.Ng5 h6 9.Nge4 0–0 10.Be2 Ne4 11.Ne4 Nb6 12.0–0) 8...Nb6 9.Ng5 h6 10.Nf3 a4 11.a3 Be6 12.Qe2; B) 7...Bf5 8.Qf3 (8.Ng5 Qc8 9.d3 0–0 10.Be2 Nbd7 11.0–0 h6 12.Nge4) 8...Qd7 9.Be2 a4 10.Nd5 Nd5 11.Qd5 0–0 12.0–0; C) 7...0–0 8.Bd3 (8.Be2 Nbd7 9.0–0 Nb6 10.Qc2 h6 11.f4 Be6 12.f5) 8...Nbd7 9.0–0 h6 10.Qf3 Nb6 11.Ne4 Ne4 12.Qe4.

6.Nc3 Bf5

7.d4 cd4 8.ed4 ed4 9.Qd4 Qe7 10.Kd2 Nbd7 =.

7.Nge2 A) 7...Be6 8.Ng3 (8.Qb3 Nbd7 9.Ng3 Nb6 10.Na4 Be7 11.Bd3 0–0 12.Nb6) 8...Nbd7 9.Bd3 Nb6 10.Qe2 Be7 11.Nf5 0–0 12.0–0; B) 7...Be7 8.Ng3 (8.a3 Bg4 9.h3 Be6 10.Ng3 Nbd7 11.Qf3 Rb8 12.Bd3 ) 8...Be6 9.Bd3 Nbd7 10.Nf5 0–0 11.g4 g6 12.Nh6; C) 7...Nbd7 8.Ng3 (8.Rc1 Nb6 9.Ng3 Be6 10.Na4 g6 11.Bd3 Bg7 12.0–0) 8...Be6 9.Bd3 Nb6 10.Qe2 Be7 11.0–0 0–0 12.Nf5.

7.Qf3 Qc8 8.Be2 Be7 9.Nh3 h6 10.0–0 0–0 11.Rfe1 Re8 12.Nd5.

7.Qf3 Qc8 8.h3 Bg6 9.g4 (9.Nge2 a4 10.g4 Nbd7 11.Ng3 a3 12.Bc1) 9...h6 10.Bg2 (10.Nge2 Be7 11.Bg2 Ra7 12.Ng3) 10...Bd3 (10...e4 11.Qe2+= Qd8 12.f4) 11.Qb7 (11.Nd5 Nbd7 12.Nf6 Nf6 13.Qb7 Qb7 14.Bb7 Rb8 15.Bc6 Ke7+/–) 11...Qb7 12.Bb7 Ra7 13.Bd5 (13.Bf3 Bc4 14.0–0–0 Bd3+/–) 13...Nd5+= 14.cd5 (worse is 14.Nd5 Bc4 15.Nc3 a4+=) 14...Rb7 (14...h5 15.g5+=) 15.a4 Nd7 16.Nge2 Nf6 (16...h5 17.g5+=) 17.f3 (17.f4+/–) 17...e4? (better is 17...Be7!?+/–) 18.Nc1 Bc2 19.fe4 Ne4? (better is 19...c4 20.d3! cd3+–) 20.d3 Nc3 21.Bc3 c4 22.e4 (22.Kd2 cd3 23.Nd3 Bd3 24.Kd3 h5+–) 22...cd3 (22...h5 23.Kd2 Bb3 24.g5+–) 23.Kd2 Be7 24.Nd3 Bb3 25.Bg7 Bg5 26.Kc3 Rg8 27.Bd4 Ba4 28.Ra4 Rb5 29.Kc4 Rb7 30.Ra5 Kd7 31.Ra6 Rc8 32.Rc6! Ra8 33.Ra1 Re8 34.e5 Be7 35.Ra7 Ra7 36.Ba7 Ra8 37.Be3 Ra4 38.Kb3 Re4 39.Bh6 de5 40.Bg7 Re3 41.Rc3 Kd6 42.Ne5 Rc3 43.Kc3 Kd5 44.Nf7 Ke4 45.g5 Kf5 46.Bh6 Kg6 47.Ne5 Kh5 48.Nf3 Bd8 49.Kd3 Kg6 50.Ke4 Bc7 51.Ne5 Kh7 52.Kf5 Ba5 53.h4 Be1 54.Nf3 Bc3 55.Bf8 Ba5 56.h5 Bb6 57.g6 Kg8 58.Bh6 Ba5 59.Ne5 Bc3 60.Nd7 Bg7 61.Bg5 Bc3 62.h6 Kh8 63.Bf6 Bf6 64.Kf6 Kg8 65.g7 Kh7 66.Nf8 Kh6 67.g8Q Kh5 68.Qg5 1–0. Semenko,Georg (1750) – Dlusztus,Kornel, Bayern–ch Seniors, 1993.

7.Qf3 Qc8 8.Nh3 Be7 9.Be2 h6 10.0–0 0–0 11.Nd5 Nd5 12.cd5.

7.Qf3 Qd7 8.Nh3 (8.Be2 Be7 9.Nh3 a4 10.a3 0–0 11.Ng5 Bg4 12.Qg3) 8...Be7 9.Be2 a4 10.Ng5 a3 11.Bc1 0–0 12.Nge4.

7.Nf3 A) 7...Be7 8.h3 (8.Be2 Nbd7 9.0–0 0–0 10.d3 h6 11.e4 Be6 12.Nh4) 8...Nbd7 9.Ng5 Bg6 10.Qf3 Qb6 11.Be2 h6 12.Nge4; B) 7...a4 8.Na4 (8.Nh4 Be6 9.Qf3 a3 10.Bc1 d5 11.cd5 Nd5 12.g3) 8...Nbd7 9.Nc3 Be7 10.Be2 0–0 11.0–0 e4 12.Nh4; C) 7...Nbd7 8.Qb3 (8.g3 Nb6 9.d3 a4 10.Bg2 Be7 11.0–0 0–0 12.e4) 8...Be7 9.Be2 e4 10.Nh4 Be6 11.g3 g5 12.Ng2.

7.h3 A) 7...a4 8.a3 (8.g4 Bg6 9.a3 Nbd7 10.d3 Nb6 11.g5 Nfd7 12.h4) 8...Be7 9.g4 Be6 10.Nf3 Nbd7 11.Ng5 0–0 12.Ne6; B) 7...h5 8.Nf3 (8.Qf3 Qd7 9.Nge2 h4 10.g4 hg3 11.Ng3 Be6 12.Rc1) 8...Nbd7 9.Ng5 Nb6 10.Qf3 Qd7 11.e4 Bg6 12.Bd3; C) 7...Be7 8.g4 (8.Qf3 Qd7 9.g4 Bg6 10.g5 Nh5 11.h4 f5 12.Nd5) 8...Be6 9.Nf3 0–0 10.Ng5 d5 11.Ne6 fe6 12.g5.

5.c4 c6

6.a4 cb5 7.ab5 b6 8.d4 e4 9.Ne2 d5 10.Nd2 Bb7 11.Ng3 Bb4 12.Ba3 Ba3 13.Ra3 Qd6 14.Rc3 0–0 15.c5 bc5 16.dc5 Qe5 17.Qc2 Ng4 18.h3 Nh6 19.c6 Bc8 20.b6 Ra6 (better is 20...Qd6+–) 21.Ba6 Na6 22.b7 Be6 23.c7 Nb4 (23...Bc8 24.b8Q Nb8 25.cb8B Qb8 26.Qa4+–) 24.Qa4 (24.Qb3 d4 25.c8Q A) 25...Bc8?? 26.bc8Q (26.bc8B? dc3 27.Nc4 Qd5–+; worse is 26.bc8N dc3 27.Nc4 Nd3 28.Ke2 c2–/+) 26...dc3 27.Qcc3+–; B) 25...Bb3 26.ed4 Qb5 27.Rb3 a4+–) 24...Nd3 25.Rd3! ed3 26.b8Q Rb8 27.cb8Q Qb8 28.Qa5 g6 29.0–0 Nf5 30.Rb1 Qe5 31.Nf3 Qd6 32.Nf5 Bf5 33.Nd4 Kg7 34.Nf5 gf5 35.Qc3 f6 36.Qd3 Kg6 37.g4 Qe5 38.Rb5 Qa1 (38...Qa1 39.Kg2 Qe5+–). typ48 – alvk9, kurnik, 2012.

6.a4 cb5 7.ab5 b6 8.Nf3 Bb7 9.Be2 g6 10.0–0 Bg7 11.Qb3 0–0 12.Ne1 Nbd7 13.d4 e4 14.Nd2 d5 15.cd5 Bd5 16.Bc4 Bc4 17.Qc4 Rc8 18.Qb3 Nb8 19.f3 ef3 20.Ndf3 Ne4 21.Nd3 Qe7 22.Ba3 Nd6 23.e4 Qd7 24.e5 Nb5 25.Bf8 Bf8 26.d5 Nc7 27.d6 Ne6 28.Qb6 Nc6 29.h3 Rb8 30.Qf2 Bh6 31.Rfb1 Rc8 32.g4 Bg7 33.Rf1 a4 34.Ra4 Ne5 35.Nfe5 Qa4 36.Qf7 Kh8 37.Qe6 Re8 38.Nf7 Kg8 39.Nh6 Kh8 40.Qg8 Rg8 41.Nf7 1–0. jeglin – albertglas, kurnik, 2014.

6.a4 cb5 7.cb5 b6 8.Nc3 Bb7 9.Nf3 Be7 10.g3 (10.Be2 Nbd7=) 10...0–0 11.Bg2 Nbd7 12.d4 e4 13.Ng5 d5 14.0–0 h6 15.Nh3 Rc8 16.Nf4 g5 17.Nh5 Nh5 18.Qh5 Kg7 19.Qe2 Nf6 20.Bh3 Rc7 21.Rac1 h5 Black intends g4 22.Bg2 g4 23.h4 Kg6 24.Qd2 Bb4 25.Qd1 Qd7 26.Qb3 Rd8 27.Ne2 Rc1 28.Nf4 Kg7 29.Rc1 Bd2 30.Rc2 Bb4 31.Ba3 Ba3 32.Qa3 Qd6? (better is 32...Rc8!? 33.Rc8 Bc8+=) 33.Qd6+– Rd6 34.Rc7 Rd7 35.Nh5! Kg6 (35...Nh5 36.Rd7 Deflection (36.Rd7 Overloading)) 36.Nf4 Kg7 37.Rc1 Kh6 38.Bf1 Nh5 39.Nh5 Kh5 40.Be2 f5 41.Kf1 f4?? (better is 41...Kg6+–) 42.ef4 Rf7 (42...Rg7 43.Ke1+–) 43.Ke1 Bc8 (43...Rh7+–) 44.Rc8 1–0. pierred – anony, internet, 2014.

6.a4 d5 7.Be5+= dc4 8.Bc4 Ng4 9.Bb2 Qh4 10.Qf3 Ne5 11.Be5 Qc4 12.Nc3 Nd7 13.Bg3 Nc5 14.Qe2 Nd3 15.Kf1 Bf5 16.Rc1 (better is 16.e4!? Bd7 17.bc6 bc6 18.Nf3=) 16...Nc1+= 17.Qc4 Bd3 18.Qd3 Nd3 19.Ke2 Nb2 20.Nf3 0–0–0?? (better is 20...Bb4 21.Rc1 Bc3 22.bc6 A) 22...Na4? 23.cb7 Rd8 24.dc3+– (24.Rc3?! Nc3 25.dc3 0–0=); B) 22...bc6 23.Rc3 Na4 24.Rc6 0–0=) 21.Rb1 Nc4 22.bc6 bc6 23.Rb8 Kd7 24.Rb7 Ke8 25.Ne4 Be7 26.Ne5 Ne5 27.Be5 f6 (27...Rd7 28.Rb6 (worse is 28.Bg7 Rb7 29.Bh8 Rb3+=) 28...f6 29.Bc3+/–) 28.Bd4 (28.Bc7 Ra8 29.Bd6 Bd6 30.Nd6 Kf8 31.Rf7 Kg8 32.Rc7+/–) 28...Kf7? (better is 28...Rf8+=) 29.Bc5+– Rb8? (better is 29...Rhe8 30.Nd6 Rd6 31.Bd6 Ke6 32.Be7 Re7 33.Re7 Ke7+–) 30.Re7 Kg6 31.Ra7 Rhd8 32.Ra5 Rb2 33.Bd4 Ra2 34.Ra6 f5 35.Nc5 Rd6 36.Nb7 Re6 37.Nc5 Rd6 38.Ra7 Kh6 39.Bg7 Kg6 40.Bd4 Kh6 41.Bg7 Kg6 42.Bd4 Ra3?? 43.a5 Kh6 44.Bg7 Kg6 45.Bb2 Ra2 46.Rg7 Kh6 47.Rb7 Rd5 48.Ne6 Rda5 (48...Rda5 49.Bg7 Kh5 50.Nf4 Kg4 51.Bb2 Rc5 52.Rg7 Kh4 53.Bf6; 48...Kg6 49.Nf8 Kg5 50.f4 Kh5 51.Rh7 Kg4 52.Rg7 Kh4 53.Bf6 Kh5 54.Rh7 Kg4 55.Rh4) 0–1. ourang – noga1953 (1640), kurnik, 2012.

6.a4 Nbd7 7.Nf3 Qc7 8.d4 Be7 9.Be2 0–0 10.0–0 Re8 11.de5 (11.Nc3 ed4 12.Nd4 Nb6=) 11...de5 12.Nbd2 Bb4 13.Ba3 Ba3 14.Ra3 Nc5 15.Nb3 Qe7 16.Nc5 Qc5 17.Ra1 Be6 18.Qc2 Rad8 19.Rfd1 h6 (19...cb5 20.Rd8 Rd8 21.ab5=) 20.Qc3 (20.Rd8 Rd8 21.Qc3 Bg4+=) 20...Rd1= 21.Rd1 Bg4 22.h3 Bf3 23.Bf3 cb5 24.ab5 b6 (24...e4!? 25.Be2 Ra8=) 25.Bc6+= Re6 26.Rd8 Kh7 27.Qc2 g6 28.Qd3 a4 (28...Kg7 29.g3+=) 29.g4 (29.Ra8 Rd6 30.Qc2 Qb4+/–) 29...a3 (better is 29...Qb4=) 30.Ra8+/– a2 31.Ra2 Rd6 32.Qf1 Qb4 33.Ra1 Qd2 34.Ra7 Qc2 35.Kg2 Kg7 36.Bd5 Nd5+= 37.cd5 Rd5 38.Qa1 Qe4 39.Kg3 Rd6 40.Qa2 Rf6 41.Qe2 h5 42.Rd7?? hg4 43.hg4+= Qg4 (43...Qg4 44.Qg4 Rf5+–). carpaticus (1720) – einguter (1785), kurnik, 2013.

6.a4 Nbd7 7.Nf3 Be7 8.Be2 0–0 9.0–0 c5 10.d4 e4 (10...ed4!? 11.ed4 d5=) 11.Nfd2+= b6 12.d5 Ne8 13.Nc3 (better is 13.Ne4!? f5 14.Ng3+/–) 13...f5+= 14.f4 ef3 15.Nf3 Bf6 16.Qc2 Ne5 17.Ne5 Be5 18.Rf2 Nf6 19.Raf1 g6 20.Nd1 Qe7 21.Bf3 Bd7 22.Bc3 Rae8 23.Qb2 Bc3 24.Qc3 Ne4 25.Be4 Qe4 26.Rf4 Qe7 27.h3 Qg5 28.Qe1 Re7 29.Qh4 Qh4 30.Rh4 Rfe8 31.Kf2 Re4 32.Re4 Re4 33.Kf3?? (better is 33.Nb2=) 33...Rc4–+ 34.Nf2? (better is 34.Nb2 Rb4 35.Rf2–+) 34...Ra4 35.Nd3 Bb5 36.Rd1 Bd3 37.Rd3 Rb4 38.Ra3 a4 39.g4 fg4 40.hg4 b5 41.g5 Kg7 42.Ra2 h6 43.gh6 Kh6 44.e4 Kg7 45.Kf4 Kf6 46.Rg2 Rd4 47.Ke3 a3 48.Rf2 Ke5 49.Rg2 1–0. rom49szachy (1610) – fakejake, playok.com, 2012.

6.a4 Be6 7.Nf3 Be7 8.Be2 cb5 9.cb5 0–0 10.0–0 Nbd7 11.Ng5 Bf5 12.d3 d5 13.Nf3 Bd6 14.Qb3 Qb6 15.Nc3 Nc5 16.Qa2 (better is 16.Qd1!?=) 16...Bd3–/+ 17.Bd3 (17.Rfd1 e4 18.Ne1 Be2 19.Ne2 Ncd7+=) 17...Nd3 18.Rfd1 Nb2 (18...e4 19.Rd3 ed3 20.Rd1–/+) 19.Qb2 e4 20.Ng5 (20.Nd4 Be5–/+) 20...Be5 (20...h6 21.Nh3 Be5 22.Rac1–+) 21.Qb3? (21.Nd5 Qd6 22.Qa3 Qa3 (worse is 22...Nd5 23.Qd6 Bd6 24.Rd5+/–; 22...Bh2?! 23.Kh1 Nd5 24.Qd6 Bd6 25.Rd5+=) 23.Ra3 Nd5 24.Rd5 Rad8 25.Rd8 Rd8+=) 21...Rac8 (21...h6!? 22.Nh3 Rfd8–+) 22.Rac1–/+ h6 (better is 22...Bc3 23.Rc3 Rc5–/+) 23.Nd5= Rc1? (better is 23...Nd5 24.Rc8 Rc8 25.Qd5 Qc7+=) 24.Nb6+– (worse is 24.Rc1 Bh2 25.Kh2 Qd6 26.Kg1 hg5 (worse is 26...Qd5 27.Qd5 Nd5 28.Ne4+=) 27.Nf6 Qf6=) 24...Rd1 25.Qd1 hg5 26.g3 Bc3 (26...Re8 27.Qd2+–) 27.Qb3 (27.Nd5 Be5+–) 27...Bb4 28.Nd5 Nd5 29.Qd5 b6 30.Qe4 Rd8 31.h4 (31.Qe5!? g4+–) 31...gh4 32.Qh4 Rd7 33.Qe4 Re7 34.Qc6 Re6 35.Qc8 Kh7 36.Qd7 Kg8 37.Qd8 Kh7 38.Qh4 Kg8 39.g4 Bc5 40.g5 g6 41.Qf4 Kg7 42.Kg2 Kg8 43.Kf3 Kg7 44.Kg4 Kg8 45.e4 Kg7 46.f3 Kg8 47.Qc7 Kg7 48.Qb7 Kg8 49.f4 Kg7 50.f5 gf5 51.ef5 Re1 52.g6 Rg1 53.Kf3 Rf1 54.Ke4 Re1 55.Kd5 Rd1 56.Kc6 Rd6+/– 57.Kc7 fg6 58.Kc8 Kh6 59.f6 Kh5 (59...Kh5 60.Qe7 Rd4 61.Qe2 Kg5 62.Qe5 Kg4+–). elsh1403 – chessman28 (1815), kurnik, 2012.

6.a4 Be6 7.Nf3 h6 8.Be2 Be7 9.0–0 0–0 10.d3 b6 11.Nbd2 c5 12.e4 Bg4 13.h3 Bh5 14.Nh4 Be2 15.Qe2 Ne4 16.Qe4 Nd7 17.Nf5 Nf6 18.Qf3 Rb8 19.Ne4 d5 20.Ne7 Qe7 21.cd5 Nd5 22.d4 cd4 23.Ba3 Nb4 24.Rac1 f5 25.Ng3 e4 26.Qb3 Kh8 27.Rfe1 Qd6 28.Rc4 d3 29.Bb4 ab4 30.Qb4 Qf4 31.Nf1 Rbc8 32.Rd1 Qe5 33.Rdc1 Rc4 34.Qf8 Kh7 35.Rc4 f4 36.Qc8 e3 37.fe3 fe3 38.Ne3 Qe3 39.Kh1 Qe1 40.Kh2 Qe5 41.Kg1 Qe3 42.Kh1 Qe1 43.Kh2 Qe5 44.Kh1 d2 0–1. gutes – mura4, kurnik, 2013.

6.a4 Be7 7.Qc2 0–0 8.Nf3 Re8 9.d4 Bf8 (9...e4!? 10.Nfd2 d5=) 10.de5+= de5 11.Be5 Bg4 12.Nbd2 cb5 13.cb5 Bb4 14.Bc3 Bc3 15.Qc3 Nbd7 16.Be2 Rc8 17.Qb2 Nc5 18.0–0 Nd3 19.Bd3 Qd3 20.Rac1 Rcd8 21.h3 Bh5 22.Qc3 Qg6 23.Qc2 (23.Qa5!? Nd5 24.Qa7 b6+–) 23...Ne4+/– 24.Ne4 Bf3 25.Ng3 Be4 (25...Qc2!? 26.Rc2 Bd1+/–) 26.Ne4+– Re4 (26...Qe4!? 27.Qe4 Re4+–) 27.Qc7 Qf6 28.Qb7 Ra4 29.Rc8 h6?? (29...g6 30.Qa6 Qe7 31.b6+–) 30.b6 (30.Rd1 Kh7 31.Rdd8 Qa1 32.Kh2 Qe5 33.f4 Rf4 34.ef4 Qf4 35.g3 Qf2 36.Qg2 Qg2 37.Kg2+–) 30...Kh7 31.Rd8 Qd8 32.Rc1 Rb4 33.Qc7 Qd5 34.f3 a4 35.b7 Rb7 36.Qc2 g6 37.Qa4 Qd2 ½–½. orangutandu – danielito69, kurnik, 2013.

6.a4 Be7 7.d3 0–0 8.Be2 Nbd7 (8...e4 9.de4 Ne4 10.Nd2=) 9.Nf3 e4 (9...Qc7 10.Nbd2=) 10.de4 Ne4 11.Nc3 Nc3 12.Bc3 Bf6 13.Rc1 Nc5= 14.0–0 Bc3 15.Rc3 Qf6 16.Rc1 (16.Nd4 Bd7=) 16...Rd8 (16...Bg4 17.Nd4 Be2 18.Ne2=) 17.Nd4 Bd7 18.Bf3 Rac8 19.Qd2 Na4 (19...cb5 A) 20.Nb5 Nb3 (20...Na4?! 21.Qa5 Nc5 22.Rcd1=) 21.Qc3 Nc1 22.Qf6 gf6 23.Rc1 d5–/+; B) 20.ab5?! a4=; C) 20.cb5 b6 21.Qd1=) 20.Qa5+= Nc5 21.Rfd1 Be8 22.Qb6 Na4 23.Qb7+/– cb5 24.cb5 Nc3 25.Qa6 Rc5 Increasing the pressure on the isolated pawn on b5 26.Rc3 Rc3+= 27.b6 d5 28.Qa5+/– Rc4 29.b7 Ra4 30.Qc7 Rb4 31.Bd5 Rd5 32.b8Q Rb8 33.Qb8 Rd8 34.Qb4 h6 35.h3 Bc6 36.Qb1 Ba8 37.Qc2 Qg5 38.f4 Qd5 39.Rd2 Re8 40.Nf3 Qe6 41.Ne5+/– f6 42.Qg6 fe5 43.Qe6 Re6 44.Rd8 Kf7 45.Ra8 ef4 46.ef4 Re4 47.g3 g5 48.Ra7 Kg6 49.Ra6 Kh7 50.f5 h5 51.Ra7 Kh6+/– 52.f6 g4 53.Re7 Ra4 54.hg4 hg4 55.Rg7+/– Ra6 56.Rg4 Rf6 57.Kg2 Ra6 58.Kh3 Kh5 59.Rg8 Ra3 60.Rb8 Ra5 61.g4 Kg5 62.Rg8 Kh6 63.Kh4 Ra6 64.Rg5 Rb6 65.Rc5 Kg6 66.Rg5 Kh6 67.Ra5 Kg6 68.Ra4 Kh6 69.Kg3 Kg5 70.Ra5 Kg6 71.Re5 Ra6 72.Rb5 Rc6 73.Rb8 Rc3 74.Kh4 Rc6 75.Rf8 Ra6 76.Rf5 Ra1 77.Rg5 Kh6 78.Rf5 Kg6 79.Kg3 Ra3= 80.Kf4 Ra4 81.Kf3 Ra3 82.Kf4 Ra4 83.Kg3 Ra3 84.Kh4 Ra1 85.Rg5 Kh6 86.Rg8 Ra6 87.Rh8 Kg6 88.Rh5 Ra3 89.Rg5 Kh6 90.Rb5 Ra6 91.Kg3 Kg6 92.Re5 Ra3 93.Kf4 Ra4 94.Kg3 Ra3 95.Kh4 Ra6 96.Re4 Rb6 97.Ra4 Rc6 98.Ra5 Rb6 99.Rc5 Ra6 100.Rc4 Rb6 101.Re4 Ra6 102.Rf4 Ra1 103.Rf3 Ra5 104.Rf8 Ra6 105.Rh8 Ra1 106.Rg8 Kh6 107.g5 Kh7 108.Rc8 Rh1 109.Kg4 Rg1 110.Kf4 Rf1 111.Kg4 Rg1 112.Kf5 Rf1 113.Ke6 Re1 114.Kf7 Rf1 115.Ke6 Re1 116.Kf5 Rf1 117.Ke4 Re1 118.Kf3 Rf1 119.Kg3 Rg1 120.Kf4 Rf1 121.Ke4 ½–½. Enxtuul,Altanolzii (1975) – Voiska,Margarita (2315), 38th Olympiad w, 2008.

6.a4 Be7 7.Nf3 0–0 8.Be2 Bf5 9.0–0 c5 10.Nc3 b6 11.Nh4 Be6 12.f4 e4 13.f5 Bc8 14.g4 Ne8 15.Ng2 Bf6 16.Qc2 Nd7 (16...Bb7!?=) 17.Ne4 Bb2 18.Qb2 Ne5 19.h3 Bb7 20.d3 Nf6 21.Rf4 Ne4 22.de4 f6 23.Rd1 Qe7 24.Rff1 Rad8 25.Qc2 Nf7 26.Bf3 (better is 26.Nf4!?=) 26...Ng5–/+ 27.Nf4 Nf3 (worse is 27...Be4 28.Be4 Ne4 29.h4+–) 28.Rf3 Be4 29.Qf2 Bf3 30.Ne6?? (better is 30.Qf3 Rfe8 31.Qd5 Kh8 32.Ne6+=) 30...Bd1–+ 31.Qd2 Bf3 32.Kf2 Be4 33.Kg3 d5 34.Nf8 Qf8 35.cd5 Rd5 36.Qa2 Qd6 37.Kf2 Qh2 (37...Qh2 38.Kf1 Qa2 39.Ke1 Qc2 40.g5 Rd1) 0–1. elsh1403 – murzyn1500, kurnik, 2011.

6.a4 Be7 7.Nf3 Be6 (7...e4 8.Nd4=) 8.Nc3 cb5 (8...0–0 9.d4=) 9.cb5 (9.ab5 0–0=) 9...b6 (9...0–0 10.d4=) 10.d3 (10.d4 e4 11.d5 ef3 12.de6 fe6 13.Qf3 Nbd7=) 10...Nbd7 11.e4 (11.Ng5 0–0=) 11...Nc5 (11...d5 12.d4=+) 12.Be2 0–0 13.0–0 h6 (13...Rc8 14.Re1=) 14.h3 (14.d4 Nce4 15.Ne4 Ne4=) 14...Rc8 15.Ba3? (better is 15.Re1=+) 15...Nd3?? (better is 15...Nb3 16.Bb2 Na1 17.Ba1 Nh7–/+) 16.Qd3+– Bc4 (16...Nh5 17.Nd5 Bd5 18.Qd5+–) 17.Qe3 Be2 18.Ne2 Re8 19.Nh4 Bf8 20.Nf5 Kh7 21.Rad1 Re6 22.f4 ef4 23.Rf4 d5 24.Bf8 Qf8 25.Qd4 de4 26.g4 Qa3+/– 27.Kh2 Rc2 28.Rf2 e3 29.Rg2 Qa2? 30.Re1 Rd2+/– 31.Qf4 Qd5? 32.g5 Nh5+= 33.g6?? fg6–+ (34.Qc7 gf5–+) 0–1. rustic – Korchnov, Live Game Caissa's Web, 2005.

6.a4 Bf5 7.Nf3 Nbd7 8.Be2 c5 (8...Be7 9.0–0=) 9.d3 Be7 10.e4 Bg6 11.Nh4 0–0 12.Ng6 fg6 13.0–0 g5 14.Nc3 Qe8 15.Bc1 Nb6 (15...Qg6!?+=) 16.Bg5+/– h6 17.Be3 Qg6 18.f4 ef4 19.Bf4 Rad8 20.Qc1 Nh5 21.Bh5 Qh5 22.Nd5 Nd5 23.cd5 Bf6 24.Rb1 Bd4 25.Kh1 g5 26.Bg3 Rf1 27.Qf1 Rf8 28.Qd1 Qg6 29.Qe2 h5 30.Rf1 Rf1 31.Qf1 h4 32.Be1 Kg7? 33.Ba5+– g4 34.Bd8 Qh5? 35.Be7 Qf7 36.Qf7 Kf7 37.Bd6 h3 38.a5 Ke8 39.a6 ba6 40.ba6 c4 41.dc4 Kd7 42.e5 Ba7 43.c5 Kc8 44.e6 Kd8 45.Bf8 Ke8 46.Bd6 Kd8 47.gh3 gh3 48.Kg1 Ke8 49.Kf2 Kd8 50.Kg3 Ke8 51.Kh3 Kd8 52.Kg4 Ke8 53.Kf5 Kd8 54.Kf6 Ke8 55.Kg7 Kd8 56.Kf7 Bc5 57.Bc5 Kc7 58.e7 Kb8 59.Bb4 Kc7 60.e8Q Kb6 ½–½. bananinha – galaksus (1820), playok.com, 2012.

6.Qc2 cb5 7.cb5 Be6 8.Nf3 =+.

6.Qc2 g6 7.d3 Bg7 8.a4 0–0 9.Nf3 Be6 10.Nbd2 Nbd7 11.Be2 Rc8 12.Ba3 Nb6 13.Qd1 Re8 14.Rc1 c5 15.Bb2 Nh5 16.Bc3 Nd7 17.Ne4+= Nf8 18.Nfg5 Nf6 19.Nf6 Bf6 20.Ne6+/– Ne6 21.Bf3 Qc7 22.Bd5 b6 23.Qf3 Bg7 24.h4 h6 25.g4 Qe7 26.Kd2 Nc7 27.Be4 Rcd8 28.h5 g5 29.Qf5 d5 30.cd5 Nd5 31.Ke2 Nc3 32.Rc3 Rd6 33.Qf3 Qe6 34.Rc4 Red8 35.Rd1 Qf6 36.Qf6+/– Bf6 37.Rf1 Kg7 38.f4 ef4= 39.ef4 Rd4 40.fg5 Bg5 41.Rf5 Rc4 42.dc4 Rd4 43.Bd5 f6 44.Be6?? Re4–+ (45.Kd3 Re6–+) 0–1. Lietzke – Lehmann, corr, 1973.

6.d4 Nbd7 7.de5 de5 8.Nf3 Qc7 9.Nbd2 Bd6 10.e4 0–0 11.Qc2 Re8 12.Rc1 Bb4 13.a3 Bf8 14.Be2 b6 15.bc6 Qc6 16.0–0 Bb7 17.Rfe1 Ne4 (better is 17...Bd6!?+=) 18.Ne4+= Qe4 19.Qe4 (better is 19.Bd3 Qc6 20.Bh7 Kh8 21.Be4+–) 19...Be4–/+ 20.Bd1 f5 21.Ng5 Bb7 (21...Bc6 22.c5 Nc5 23.Re5–/+) 22.Bf3 (better is 22.Ba4!? Re7 23.Bd7 Rd7 24.Re5+=) 22...e4–/+ 23.Be2 h6 24.Nh3 g6 25.Nf4 Kh7 26.Nd5 Nc5?? (better is 26...Rac8–/+) 27.Nf6+– Kh8 (27...Kg7 28.Ne8 Kf7 29.Nc7+–) 28.Ne8 Kg8 29.Nf6 Kf7 30.Nd5 b5 31.Nb6 Ra6 32.Nd5 Rd6?? 33.cb5 Bd5 34.Rc5 Rd8 35.Rc7 Be7 36.Rec1 Ke6 37.Bc4 Bc4 38.R7c4 Rd2 39.R4c2 Rd3 40.b6 Bd6 41.b7 Kd7 42.Rc8 Rb3 (42...Rb3 43.Bc3 Rb7+–). typ48 – aveline110, playok.com, 2012.

6.d4 e4 =.

6.Nf3 b6 7.Be2 Bd7 8.a4 Be7 9.0–0 0–0 10.d3 d5? (better is 10...Qc7!?=) 11.Ne5+/– dc4 12.dc4 Be6 (12...Qc7 13.Nd7 Nbd7 14.bc6+–) 13.Qd8+– (13.Nc6?! Nc6 14.bc6 Qc7+/–) 13...Rd8 14.Nc6 Nc6 15.bc6 Rac8 16.Nc3 (better is 16.Bf3+–) 16...Rc6 17.Nb5 Bc4 18.Bc4 Rc4 19.h3 Rc2 20.Bd4 Nd5 21.Rac1 (21.e4 Nf4 22.Bb6 Ra8+/–) 21...Rdc8 22.Rc2 Rc2 23.e4 Nf6 24.Bb6 Ne4 25.Ba5 (25.Re1 f5 26.Nd4+/– (worse is 26.Ba5 Bc5 27.Ra1 Bf2 28.Kh1 Kf7+=)) 25...Bc5= 26.Be1? (26.Bc7 Bf2 27.Kh2 h5+=) 26...Ra2 (better is 26...Ng3! 27.Nc7 Nf1 28.Kf1 Ra2–+) 27.Nc3= Nc3 28.Bc3 Ra4 29.g3 Ra2 30.Rd1 Bf2 31.Kf1 h6 32.Rd8 Kh7 33.Rd7 Kg6 34.Rd6 f6 35.Rd2? Rd2–+ 36.Bd2 Bg3 37.Kg2 Be5 38.Be3 Kf5 39.Bc5 g5 40.Bf8 h5 41.Bg7 Kf4 42.Bf8 g4 43.hg4 hg4 44.Bh6 Ke4 45.Bf8 f5 46.Bb4 f4 47.Bd2 Bd4 48.Ba5 f3 49.Kf1 g3 50.Be1 g2 0–1. ourang – lukbe, kurnik, 2012.

6.Nf3 Nbd7 7.Be2 cb5 8.cb5 Nc5 (8...Be7 9.Nc3=) 9.0–0 e4 10.Nd4 d5 11.d3 Bd6 12.de4 Nce4 (12...de4 13.Nd2=) 13.Nd2+= Qc7 14.Qc2?? (better is 14.h3+=) 14...Bh2 15.Kh1 0–0 (better is 15...Qc2!? 16.Nc2 Nd2–+) 16.Ne4+= Ne4 17.g3? (better is 17.Rac1!? Qc2 18.Rc2+=) 17...Bg3!–+ 18.fg3 Ng3 19.Kg2–/+ Nf1?? 20.Qc7+– Ne3 21.Kf2 Ng4 22.Bg4 Bg4 23.Qg3 h5 24.Nf5 g6 25.Nh6 Kh7 26.Ng4 hg4 27.Qg4 Rac8 28.Rh1 Kg8 29.Rh8 1–0. ourang – tartacut, kurnik, 2013.

6.Nf3 Be6 7.Be2 Be7 8.0–0 0–0 9.a4 Nbd7 10.Nc3 cb5 11.cb5 Nc5 12.d4 ed4 13.Nd4 (worse is 13.Qd4 Nb3 14.Qf4 Na1 15.Ra1 d5–/+) 13...Bd7 14.Bf3 Rb8 15.Qc2 Ng4 16.h3 Ne5 17.Be2 f5 18.Rac1 Bh4 19.Nd5 Rc8 20.Qb1 f4? (20...Na4 21.Qa2 Nb2 22.Rc8 Bc8 (22...Qc8?? 23.Ne7 Kh8 24.Nc8 Rc8 25.Qb2+–) 23.Qb2 Kh8+/–) 21.Nf4 Rf4? (better is 21...Kh8+–) 22.ef4 Ng6 23.f5 Nf4 24.Bf3 Qg5 25.Kh2 g6 (25...Qh6 26.g3 Bf6+–) 26.g3 Nfd3 27.gh4 Qf4 28.Kg2 gf5 29.Rcd1 Kf7 30.Ne2 Rg8 31.Ng3 Nb2 32.Qb2 Qh4 33.Rd6 f4 34.Bd5 Be6 35.Be6 Ne6 36.Qb3 Qf6 37.Re1 Rg6 38.Rd7 Kf8 (38...Kf8 39.Qc4 Qf7 40.Rf7 Kf7+–). tadziczek – mors32 (1745), kurnik, 2012.

6.Nf3 Be7 7.d4 e4 8.Nfd2 Bf5 9.Nc3 0–0 10.g3 (10.Be2 cb5 11.Nb5 d5=) 10...Qc8 11.Bg2 d5 12.c5 Bh3 13.0–0 Bg2 14.Kg2 Nbd7 15.a4 (15.b6 Re8=) 15...h6 (15...b6!? 16.cb6 cb5+=) 16.b6 Nh7 17.f3 f5 18.fe4 fe4 19.Qb3 Ndf6 20.Nce4 Qg4 (20...Ne4 21.Ne4 Qg4 22.Nf2 Qf3 23.Kg1=) 21.Nf6 Nf6 22.Qd3 Ne4 23.Ne4 de4 24.Qc4 Kh8 25.Rac1 (better is 25.Rae1!?+/–) 25...Rf3= 26.Qe2?? (better is 26.Rce1!?=) 26...Raf8 (better is 26...Rg3! 27.hg3 Qe2 28.Rf2 Qe3–+) 27.Rf3?? (better is 27.Qc4–/+) 27…ef3 (27...ef3 28.Kg1 fe2 29.d5 Qh3 30.Bg7 Kg7 31.dc6 Qf1 32.Rf1 ef1Q) 0–1. lendzior (1705) – vigne (1735), playok.com, 2013.

6.Nf3 Be7 7.Be2 0–0 8.0–0 Nbd7 9.d4 ed4 10.Nd4 Ne5 11.Nd2 c5 12.N4f3 Be6 13.Qc2 Ng6 14.Rfd1 b6 15.Ng5 Qd7 16.Ne6 Qe6 17.Bf3 Rad8 18.h3 Ne5 19.Be5 de5 20.Ne4 Qf5 21.Rd8 Rd8 22.Rd1 Rd1 23.Qd1 Ne4 24.Qd3 Nd6 25.e4 Qf4 26.g3 Qc1 27.Kg2 Qc4 28.Qb1 Qb5 29.Qd1 c4 30.Be2 Qc6 31.f3 c3 32.Qc2 b5 33.a3 b4 34.ab4 ab4 35.Bd1 g6 36.h4 f5 37.Qb3 Kg7 38.Qe6 Bf6 39.Bb3 fe4 40.Qg8 Kh6 41.Qf8 Bg7 42.Qg8 ef3 43.Kf2 e4 44.g4 1–0. ejdrzej (1680) – piastunkagol, kurnik, 2014.

6.Nf3 Be7 7.Be2 0–0 8.0–0 e4 9.Nd4 c5 10.Nb3 a4 11.Nc1 Bf5 12.a3 Nbd7 13.Nc3 Ne5 (13...Nb6 14.f3=) 14.Na4+= Qa5 (14...Nfd7 15.Qc2+=) 15.Nc3 Rfd8 16.a4 (16.f3 ef3 17.Bf3 Nc4 18.Bb7 Nb2+=) 16...Rac8 (16...Be6 17.Qb3 Qb4 18.Qb4 cb4 19.Nd5 Nd5 20.cd5 Bd5 21.d3=) 17.d3 (better is 17.Nb3 Qc7 18.a5+/–) 17...ed3+= 18.Nd3 (18.Bd3!? Bd3 19.Nd3 Nc4 20.Rc1+=) 18...Nc4–/+ 19.Bf3?? (19.Rc1!?–/+) 19...Bd3 (better is 19...Nb2 20.Nb2 Qc3–+) 20.Qd3 Nb2 21.Qc2 Nc4 22.Bb7 Rc7 23.Bc6 Ne5 24.Nd5? Nd5 25.Bd5 Bf6 26.Rad1 Nd7 27.f4 Nb6 28.Bc6 d5 29.e4 Bd4 30.Kh1 de4 31.Qe4 Qa4 32.Rde1 Rcc8 33.Bb7 Rb8 34.Bc6 g6 0–1. ourang – haha1haha, kurnik, 2013.

6.Nf3 Be7 7.Be2 Bd7 8.a4 c5 9.0–0 b6 10.d3 0–0 11.Nbd2 Re8 12.Qc2 Bf5 13.Nh4 Be6 14.Nhf3 Bf5 15.h3 h6 16.Ne1 Qc7 17.Bf3 Nbd7? (better is 17...Ra7!?+=) 18.Ba8+– Ra8 19.e4 Bg6 20.g3 Rf8 21.Ng2 Nh5 22.Nf3 f5 23.ef5 Bf5+/– 24.Nd2 Bg6 25.Rae1+/– Kh7 26.Ne4 Ndf6 27.Nf6 Nf6 28.Ne3 Nh5 29.Nd5 Qd8 30.Ne7 Qe7 31.Qe2 Qf6 32.Bc1 Qf3 33.Qf3 Rf3 34.Re3 Rf6 35.Rfe1 Bf7 36.Kg2 Bg6 37.Rf3 Re6? 38.g4+– Nf6 Black prepares the advance e4 39.Kg3 e4 40.de4 Ne4 41.Kg2 1–0. ejdrzej (1685) – biged, kurnik, 2012.

6.Nf3 Bg4

7.Be2 Nbd7 8.Nc3 Be7 9.Qc2 Nc5 10.Ba3 Qb6 11.Rb1 Qc7 12.h3 Be6? (better is 12...Bh5!? 13.b6 Qd7 14.Bc5 Bf3 15.Bf3 dc5=) 13.d4+– Ncd7 14.Ng5 ed4 15.ed4 0–0 16.0–0 Nb6 17.bc6 bc6 18.Ne6 fe6 19.Rfe1 Nfd7? (better is 19...Rfe8+/–) 20.Bd3+– Nf6 21.Re6 Rae8 (21...Rab8 22.Ne4 Ne4 23.Be4+– (23.Re4?! g6+–)) 22.Ne4 Nbd7 (22...Ne4 23.Be4 (23.Re4?! Nd7+–) 23...h6 24.Bh7 Kh8 25.Bg6+–) 23.Nd6 Bd6 24.Bd6 (worse is 24.Rd6 c5 25.Ra6 Rb8+–) 24...Qa7 (24...Qd8 25.Bf5+–) 25.Bf5 Rf7 (25...Qd4 26.Bf8 Re6 27.Be6 Kf8 28.Rd1+–) 26.Bh7! Nh7 (26...Kh8 27.Bf5 g6+–) 27.Re8 Nhf8 (27...Ndf8 28.c5 Qd7 29.Rbb8+–) 28.c5 Rf4 (28...Rf6 29.Qc4 Kh7+–) 29.Bf4 1–0. marekt (2205) – josquin (2010), gameknot.com, 2015.

7.Be2 Nbd7 8.d4 Qc7 (8...e4 9.Nfd2 Be2 10.Qe2 cb5 11.cb5=) 9.Nc3 Be7 10.Rc1 0–0 11.0–0 Rfe8 12.Qc2 Bf8 13.Ne4 Ne4 ½–½. Stoliar,EJ – Salm,Maxwell Charles, AUS–ch8 corr, 1966.

7.Be2 e4 8.Nd4 Bd7 (8...Be2 9.Qe2 d5 10.0–0=) 9.0–0 c5 10.Nc2 Be7 11.d3 Bf5 12.Nc3 0–0 13.de4 Ne4 14.Ne4 Be4 15.Bf3 Bc2 (15...Bf3 16.Qf3 (worse is 16.gf3 Bf6 17.Rb1 Bb2 18.Rb2 Qf6+=) 16...Qc8 17.Rad1+/–) 16.Qc2+– Qc7 17.Rad1 Ra7 18.Be4 h6 19.f4 (19.Bc3 a4+–) 19...b6 20.f5 (20.Rd5 Nd7+/–) 20...Nd7 21.f6 (better is 21.Bc6!?+/–) 21...Bf6= 22.Bf6 Nf6 23.Bc6 Qe7 24.Qf2 (24.e4 Qe5 25.Qd3 Re7+=) 24...Rd8 (24...Ng4 25.Qf4 Qe3 26.Kh1 Qf4 27.Rf4–/+) 25.Qf3 Qe6 26.h3? (better is 26.Qg3!?+=) 26...Re7 27.e4 Qc4 (27...Ne4?! 28.Rde1 d5 29.Bd5 Rd5 30.cd5 Qd5 31.Re3+=) 28.Bd5 (better is 28.a3–+) 28...Nd5 29.ed5 Qa2 30.Rf2 Qc4 31.Rdf1 f6 32.Qf5 Qb5 33.Rb1 Qe8 34.Rb6 Re1 35.Kh2 Qe5 36.Qe5 Re5 37.Rd2 Rd5 38.Rd5+– c4 39.Rbd6 (39.Rbd6 Rd6 40.Rd6+–; worse is 39.Rdd6 Re8 40.Rd7 Rc8+–) 1–0. druhynejhorsi (1735) – whiteblack (1685), kurnik, 2012.

7.Be2 Be7 8.0–0 0–0 9.h3 Bh5 10.d4 ed4 11.Nd4 Bg6 12.Nd2 c5 13.N4f3 Nbd7 14.Nh4 d5 15.Ng6 hg6 16.Qc2 Nb6 17.Rad1 Qc7 18.Bf3 dc4 19.Nc4 Nc4 20.Qc4 Rfd8 21.a4 Rac8 22.g3 b6 23.Rd8 Rd8 24.Rd1 Rd1 25.Bd1 Qd6? (better is 25...Bd6+/–) 26.Bb3+– Qd2?? (26...Qe6 27.Qe6 fe6 28.Be6 Kf8+–) 27.Qf7 Kh7 (27...Kh8 28.Bf6 Qe1 29.Kg2 Qf2 30.Kf2 gf6 31.Qg8) 28.Be5 (28.Bf6 Qc1 29.Kg2 Qh1 30.Kh1 Bf6 31.Qg8 Kh6 32.Qh8 Kg5 33.Qh4 Kf5 34.Qf4) 28...Qd8+– 29.Bc2 c4 30.Qg6 (30.Bg6!? Kh8+–) 30...Kg8 31.Qf5 Kf7 32.g4 Qd7 33.Qg6 Kg8 34.Bf5 Qe8? 35.Be6 Kh8 36.Qe8 Ne8 37.Bc4 Bd6 38.Bd6 Nd6 39.Bd3 Kg8 40.f4 Kf7 41.Kf2 g6 42.Kf3 Nb7 43.Ke4 Nc5 44.Kd4 Nb3 45.Kc4 Nd2 (45...Nd2 46.Kd5 Nf3+–). barborski – wk67 (1805), kurnik, 2012.

7.Be2 Be7 8.Nc3 0–0 9.h3 Bh5 10.g4 Bg6 11.Nh4 Ne4?? (better is 11...d5=) 12.Ng6+– Nc3 13.Ne7 (13.dc3?! fg6 14.Ba3 Qd7=) 13...Qe7 14.Bc3 Qh4 15.Bf3 f5 16.bc6 bc6 17.Rb1 e4 18.Rb7 Rf7 19.Rf7 Kf7 20.Qb1 Qe7 21.Bg2 g6 22.gf5 gf5 23.0–0 a4 24.f3 d5 25.fe4 (25.fe4 d4 26.Rf5 Kg8 27.Bb4+–) 1–0. forsetinn (1875) – jimmiels (1695), gameknot.com, 2013.

5.c4 Nbd7

6.a4 Nc5 7.d4 ed4 8.ed4 Nce4 9.Nf3 Bf5 10.Bd3 d5 11.c5 Be7 12.0–0 0–0 13.Nc3 h6 14.Ne5 Nc3 15.Bc3 Ne4 16.Bb2 Bg5 17.f3 Be3 18.Kh1 Nf2 19.Rf2 Bf2 20.Bf5 Qg5 21.Bb1 Rfe8 22.Qc2 f6 23.Qh7 Kf8 24.Nd3 Re2 25.Ba2 Rae8 26.Rf1 Rb2 27.Nb2 Re2 28.Bd5 Qd5 29.Nd3 Qd4 30.Nf2 Qf2 31.Rg1 Re1 0–1. polynesia46 – pedrorossi (1620), kurnik, 2014.

6.Nc3 Nb6 7.a4 Be6=+ 8.Qb3 d5 9.cd5 Nfd5 10.Nd5 Bd5 11.Qc2 Bd6 12.e4 Be6 13.Nf3 Nd7 14.Be2 0–0 15.0–0 Re8 16.d4+= ed4 17.Rad1 Bg4 18.Rd4 Qe7 19.h3 Bh5 20.Re1 Bg6 21.Bd3 Ne5 unclear. Plock,Joerg – Van Rooijen,Peter, corr or01–004 E–mail, 2001.

6.Nc3 Nb6 7.d4 =.

6.Nc3 Nb6 7.Nf3 Be6 =.

6.Nc3 c6 7.a4 Qe7 8.Qc2 g6 9.Nge2 Bg7 10.Ng3 0–0 11.Be2 Re8 12.0–0 Nf8 13.Bf3 Bg4= 14.Bg4 Ng4 15.h3 Nh6 =. Grund,Karl – Haantola,Harri, corr ICCF, 1980.

6.Nc3 g6 7.a4 Bg7 8.Nf3 0–0 9.Be2 Ne8 10.0–0 Nc5 11.h3 Bf5 12.Nh2 Nd3 13.Bd3 (better is 13.Ba3!? e4 14.Bd3 ed3 15.Qf3=) 13...Bd3–/+ 14.Re1 Bc4 15.d3 Be6 16.f4 ef4 17.ef4 c6 18.Qc2 Nf6 19.Re2 Nd5 (19...Qb6 20.Rf2–+) 20.Rae1? (20.Nd5!? Bd5 21.Bg7 Kg7 22.Qb2 Qf6 23.Qf6 Kf6 24.Ng4 Kg7 25.Ne3+=) 20...Nb4 (better is 20...Nf4!? 21.Re4 Qg5 22.Kh1–+) 21.Qb1 Qb6 22.Kh1 Bf5 23.Ne4 d5 (better is 23...Be4!? 24.de4 cb5–/+) 24.Bg7+= Kg7 25.Qb2 f6 26.Ng5?? (26.Nf6 d4 27.Re7 Kf6 28.Qe2+–) 26...Nd3–+ (26...Bd3 27.Re7 Kg8 28.Ng4 Qc7 29.Rc7 Rf7 30.Nh6 Kg7 31.Rf7 Kh6 32.Rh7) 27.Re7 (27.Qc3 Ne1 28.Re1 Rfe8–+) 27...Kg8 28.Qc3 (28.Qd2 Nf2 29.Kg1 Nh3 30.Kh1 Nf2 31.Kg1 Ne4 32.Qe3 Qe3 33.Re3 fg5 34.fg5–+) 28...Nf2 29.Kg1 Nh3 30.Kh1 Qg1! 31.Rg1 Nf2 0–1. dtpwaldi (1610) – kingghidorah (1810), kurnik, 2011.

6.Nc3 g6 7.d4 Bg7 8.Nf3 0–0 9.Be2 c6 10.0–0+= e4 11.Nd2 Re8 12.bc6 bc6= 13.Ba3 Nf8 14.Rb1 h5 15.Qa4 Qc7 16.c5 d5 17.Rb6 Re6 18.Rfb1 g5 19.Bc1 Ng4 20.Nf1 f5 21.Qb3 Ra7 22.Nd5 cd5= 23.Qd5 Kh8 24.Bg4 hg4 25.Ng3 Re7?? 26.Nf5+/– Be6 27.Qe4 Ba2 28.Qe7 Qe7 29.Ne7 Bb1 30.Nc6 Rc7 31.Na5 Be4 32.Bd2 Nd7+/– 33.Rd6 Bf8 34.Re6+– Bd5 35.Re8 Kg8 36.e4 Bf7 37.Rd8 Kg7 38.Bg5 Ra7 39.Bd2 Nf6 40.f3 Be7 41.Rb8 Nd7 42.Rb7 Rb7 43.Nb7 gf3 44.gf3 Kf6 (44...Bf6 45.e5 Ne5 46.de5 Be5 47.Kg2+–) 1–0. Lebel,Patrick (2270) – Curione,Francesco, Imperia op, 1989.

6.d4 ed4 7.ed4 d5 (7...Be7 8.Bd3=) 8.c5 (8.Qe2 Ne4 9.f3 Bb4 10.Nc3 f5+–) 8...c6 (8...Be7 9.Nc3=) 9.b6 (9.Nf3 Be7=) 9...Ne4 (9...Be7 10.Bd3=) 10.Bd3 Be7 11.Nf3 0–0 12.Qc2 (12.0–0 Re8=) 12...Re8 13.0–0 Bf8 (13...Ndf6 14.Re1+=) 14.Nc3 f5 (14...Ndf6 15.Rfe1+=) 15.Rfe1+/– Qf6 16.Ne2 (16.Re2 g6+/–) 16...Qh6 (16...g6 17.Bc3+=) 17.Ng3 (17.Bc1 Qf6+=) 17...Ndf6 (17...Qf6 18.a4+=) 18.Bc1+/– g5 (better is 18...Qg6+/–) 19.Bg5?? (better is 19.h4 Ng3 20.Re8 (20.fg3?! Re1 21.Ne1 Ne4=) 20...Ne8 21.Bg5+–) 19...Ng5+= 20.Re8 (better is 20.Ng5!? Qg5 21.Re8 Ne8 22.Nf5+=) 20...Nf3–+ (20...Ne8?! 21.Ng5 Qg5 22.Nf5+=) 21.gf3 Ne8 22.Bf5 Ng7 23.Bg4 Qf4 24.Ne2 Qg5 25.Kf1 Bg4 26.fg4 Qg4 27.Qd2 Nf5 28.Rd1 Bg7 29.Qd3 Re8 30.h3 Qe4 31.Qd2 Qf3 32.Re1 Ne3 (32...Ne3 33.Qe3 Re3–+; 32...Re2 33.Qf4 Rf2 34.Kg1 Qg2) 0–1. Rohde,Angela – Hausmann,Ilka, BL2 Mitte, 1993.

6.d4 ed4 7.Bd4 b6 (7...Be7 8.Nf3=) 8.Be2 Bb7 (8...Be7 9.Bf3 Ra7 10.Ne2=) 9.Bf3 Bf3 10.Nf3 g6 (10...Be7 11.0–0+=) 11.h4 (11.Nbd2 Bg7+=) 11...Bg7+= 12.h5 gh5 13.Nc3 0–0 (13...Rg8 14.Rh2+=) 14.Qc2 Re8 15.0–0–0 (15.Nd5 a4+/–) 15...Qe7 (15...Rc8!?+=) 16.Nd5+/– Nd5 17.cd5 Bd4 (17...Qe4 A) 18.Qc7?? Rec8 19.Qc6 Qd5–+ (19...Rc6?! 20.dc6 Ne5 21.Rh4 Nd3 22.Kd2–+); B) 18.Rh5 Qc2 19.Kc2 Bd4 20.Rd4+– (20.ed4?! Re2 21.Rd2 Rae8=)) 18.Rd4+– (18.ed4?! Qe2=) 18...Nf6 19.Qf5 Ne4 20.Nd2 (better is 20.Rh5!? f6 21.Rh4 Nf2 22.Nd2 Qe3 23.Rdg4 Ng4 24.Rg4 Qg5 25.Rg5 fg5 26.Qg5 Kh8 27.Qh4+–) 20...Qf6+/– 21.Qh5 Nf2? (21...Nc3!? 22.Kc2 Nb5 23.Qh7 Kf8+/–) 22.Rhh4 (22.Qh7 Kf8 23.Rhh4 Qg7+–) 22...Re3? (better is 22...Qg6 23.Qe2 Qg2+–) 23.Qh7 Kf8 24.Qh8 Ke7 25.Qf6 Kf6 26.Rhf4 Ke7 (26...Kg7 27.Rf2 Rae8 28.Nf3+–) 27.Rf2 Rh8 (27...Kf8 28.Nf3 Rae8 29.Ng5+–) 28.Re4 (28.Rc4 Rc8+–) 28...Re4 29.Ne4 1–0. Zschalich – Kowalczyk, BezM Leipzig (year?).

6.d4 e4 7.Nc3 Be7 8.Qc2 0–0 9.Ne4 Ne4 10.Qe4 Nf6 11.Qc2 b6 (11...d5!?+=) 12.Bd3+/– Be6 13.Nf3 Bg4 14.Ng5 h6 15.Ne4 Ne4 16.Be4 Rc8 17.0–0 Bf6 18.f3 Bd7 19.Rad1 1–0. katchum (2515) – lovecraft (2225), net–chess.com, 2013.

6.d4 Qe7 7.Be2 Qe6 8.Nf3 =.

6.d4 Qe7 7.Be2 g6 8.Nc3 Bg7 9.Nf3 0–0 10.0–0 Re8 11.Rc1 b6 12.de5 de5 13.Nd5 Nd5 14.cd5 Nc5 15.Nd2 Qg5 16.Re1 Bf5 17.e4 Bd7 18.Qc2+/– f5 19.Nb3 Bf8 20.Nc5+/– ½–½. Woschkat,Karl_Heinz – Blankenberg,Bruno, DESC, 1999.

6.d4 Qe7 7.Nf3 a4 8.Be2 =.

6.d4 Qe7 7.Nf3 ed4 8.Nd4 Nc5 9.Nc3 Qe5 10.Be2 Be7= 11.0–0 0–0 12.Qc2 Re8 13.Rad1 Bd8 14.h3 Qg5 15.Kh2 Qh6 16.Bf3 Bg4 17.Nf5 Qh5 18.Bg4 Ng4 19.Kg1 Nf6 20.Nd5 Nce4 21.Bf6 Bf6 22.f3 Qf5 23.fe4 Qc8 24.Rf6 gf6 25.Nf6 Kg7 26.Rf1 Re5+= 27.Qf2 Qf8 28.Qf4 Rae8 29.Rf3+– R8e6 30.Rg3 Kh8 31.Qh6!! (31...Qh6 32.Rg8#) 1–0. Hromada,Vaclav – Janak,J, corr, 1971.

6.d4 g6 7.Nf3 e4 8.Nfd2+= Bg7 9.Nc3 Qe7 10.Qc2 Can e4 get defended? 1–0. pierred – anony, internet, 2014.

6.Ne2 Nc5 7.d4 ed4 8.ed4 Ne6 9.a4 g6 10.Ng3 d5 11.c5 Bg7 12.Bd3 0–0 13.0–0 Nd7 14.Re1 Ndc5!–/+ 15.Bf1 Nd7 16.Ra2 c5 17.bc6 bc6–/+ 18.Ba3 Re8 19.Rae2 Ba6–+ 20.Qc2?? Be2 21.Re2 Nd4 (22.Re8 Qe8–+) 0–1. Kabelitz – Selig, corr, 1972.

6.Ne2 Nc5 7.d4 ed4 8.ed4 Ne6 9.d5 Nc5 =.

6.Ne2 Nc5 7.d4 ed4 8.ed4 Ne6 9.g3 d5 10.Bg2 dc4 (10...Bb4!? 11.Nd2 Ne4 12.Be4 de4+=) 11.0–0 =.

6.Nf3 Nc5 7.d4 Nce4 8.Be2 ed4 9.Bd4 Be7 +=.

6.Nf3 Nc5 7.Be2 e4 8.Nd4 =.

6.Nf3 Nc5 7.Be2 Bg4 8.d4+= ed4 9.Nd4 Be2= 10.Qe2 Be7 11.Nd2 0–0= 12.0–0 Qd7 13.a4 Ng4 14.N4b3+= Rfe8 15.Nc5 dc5 16.Rad1 Bd6 17.h3 Ne5 18.Ne4 Qe6 19.Nd6 cd6+= 20.Rd5 Ng6 21.Qd2 Qe4 22.Rc1+/– Nh4 23.Rg5+– Nf5? 24.g4 Nh4 25.Rg7 Kf8 26.Qd6 Re7 27.Qd5 Nf3 28.Kf1 Rae8 29.Qe4 Re4 30.Rh7 R8e6 31.Rd1 Ke7 32.Rh5 Rc4 33.Rhd5 f6 34.Rd7 Kf8 35.Rb7 Ne5 36.g5! Ra4 37.gf6 Nf7 38.Rdd7 Ng5 39.Rg7 Ra2 40.Rg5 Rb2 41.Rh5 Kg8 42.Rg7 (42...Kf8 43.Rh8#) 1–0. Soininen,Matti – Virtanen,Matti, corr Finland, 1977.

6.Nf3 Be7 7.Be2 0–0 8.0–0 Ne8 9.d4 f6 10.Qb3 Kh8 11.a4 e4 12.Nfd2 f5 13.Nc3 Bf6 14.f4 Nb6 15.Nce4 (better is 15.Rad1+=) 15...fe4–/+ 16.Ne4 d5 17.Nf6 Nf6 (worse is 17...Qf6 18.c5 Nc4 19.Bc4 dc4 20.Qc4=) 18.c5 Nbd7 19.Bf3 c6 20.b6 Qe7 21.Rae1 (21.Qd3 Re8–/+) 21...Re8 (21...Ne4 22.Qd1–+) 22.Bc1 (22.Qc2 Ne4–/+) 22...Nf8 (22...Ne4 23.f5–+) 23.Qc2 (23.f5 Qd7–/+) 23...Ng6 24.Bd2 Ne4 (24...Nh4!?–+) 25.Be4–/+ de4 26.Bc3 Be6 (26...Rf8 27.Rd1–/+) 27.Qd2 (better is 27.f5 Bc4 28.fg6 Bf1 29.Rf1=) 27...Bd5 28.Ba5 Qh4 (28...Ra6 29.Ra1–/+) 29.g3 (29.Ra1 Rf8+=) 29...Qh3 30.Ra1 Re6?? (30...Qg4 31.Kh1–/+) 31.Bc3?? (better is 31.f5 Nh4 32.fe6 Nf3 33.Rf3 ef3 34.Bc3+–) 31...Bc4 32.Rfc1? Ba6 33.Qg2–/+ Qg4 34.h3 Qf5 35.g4 Qf8 36.f5 Ree8?? 37.fg6+– hg6 38.Rc2 Qe7 39.Rf2 Rf8 40.Raa2 Rf3 41.Rf3 ef3 42.Qf3 Rf8 43.Qg3 Qe4 44.Rf2 Rf2 45.Qf2 Qb1 46.Kh2 Kh7 47.d5! cd5 48.Qf7 Qc2–/+ 49.Kg3 Qc3 50.Qd5 Qe3–+ 51.Qf3 Qf3?? 52.Kf3+/– Kg8 53.Kf4 Kf7+= 54.Ke5 Ke7= 55.h4 Bc4?? 56.c6+/– Ba6 57.cb7 Bb7 58.a5 Ba6 59.Kd5 Kd7 60.Kc5 Bb7 61.Kb5+/– Kc8 62.a6 Ba8 63.Kc5 Kb8?? 64.b7+– Bb7 65.ab7 Kb7 66.Kd6 Kc8 67.Ke6 Kd8 68.Kf7 Kd7 69.Kg7 g5 70.hg5 Ke6 71.g6 Ke7 72.g5 Ke6 73.Kh7 Kf5 74.Kh6 Kg4 75.g7 (75.g7 Kg3 76.g6 Kh2 77.g8Q Kg3 78.g7 Kf3 79.Qd5 Ke2 80.g8Q Kf2 81.Qgg2 Ke3 82.Qgf3) 1–0. marvis (1630) – dtpwaldi, kurnik, 2013.

6.Nf3 Be7 7.Be2 b6 8.0–0 Bb7 9.d3 0–0 10.Nbd2 Nc5 11.Qc2 Qc8 12.d4 ed4 13.ed4 Nce4 14.d5 Nc5 15.Nd4 Nfd7? (better is 15...Qd7!?+/–) 16.Nf5+– Re8 (better is 16...Qd8 17.Bg7 Re8+–) 17.Ng7 (17.Bg7?! Bf6 18.Bf6 Nf6+–) 17...Rf8 (17...Rd8+–) 18.Nf5 Re8 (18...Bg5 19.Nf3 Bf6 20.Bf6 Nf6 21.Ne7 Kg7 22.Nc8 Bc8+–) 19.Nh6 Kf8 20.Qh7 (20.Qh7 Bd5 21.Qg7) 1–0. gutes (1660) – ksuba, kurnik, 2012.

6.Nc3 Be7

7.d3 0–0 8.Be2 Nc5 (8...c6 9.Nf3=) 9.Nf3 c6 (9...a4 10.d4 ed4 11.ed4=) 10.0–0 (10.d4 ed4 11.Nd4 Bd7+=) 10...a4 (10...Bf5 11.d4 Ncd7 12.a3=) 11.a3 (11.Ba3 Qa5 12.Rb1 e4 (12...Qc3? 13.Bb4 Qb4 14.Rb4+–) 13.de4 Nfe4 (worse is 13...Qc3 14.Bb4 Nfe4 15.Bc3 Nc3 16.Qc2 Nb1 17.Rb1+/–; worse is 13...Nce4 14.Ne4 Ne4 15.Bb4+=) 14.Ne4 Ne4+=) 11...Nb3 (11...Bf5 12.Ra2=) 12.Ra2 cb5 13.cb5 (13.Nb5 Bf5=) 13...Nc5 (13...Qa5 14.d4 Be6 15.d5=) 14.d4+= ed4 15.Nd4 Nfe4 (15...Be6 16.Ra1+=) 16.Ne4 Ne4 17.Bd3 (17.Qc2 Nc5+/–) 17...Nc5+= 18.Bc2 Bf6 19.Qb1 (19.Ra1 Be5+=) 19...h6 (19...g6 20.Ra1+=) 20.Rc1= Qe7 (20...Be6 21.Ra1+=) 21.b6 (21.Nf5 Bf5 22.Bf5 Rfe8+=) 21...Re8 (21...Be5+=) 22.Ra1 (22.Nb5 Be6 23.Nc7 Ba2 24.Qa2 Be5+=) 22...Bg4 (22...Ra6 23.Bc3=) 23.h3 (23.Nb5 Red8+=) 23...Bd7 24.Bh7 (24.Nb5 Bb2 25.Qb2 Bb5 26.Qb5 Qe5+=) 24...Kh8= 25.Bc2 (better is 25.Bf5=) 25...Ne6?? (better is 25...Ra6 26.Bc3 Qd8=) 26.Nf5+– Qf8 27.Bf6 gf6 28.Qb2 Ng7 29.Nh6 (29.Qf6 Bf5 30.Bf5 Kg8+–) 29...Qe7 (29...Nh5 30.Ng4+–) 30.Qd4 Qe5 (30...Ra5 31.Qd6!! f5+– (31...Qd6?? 32.Nf7 Kg8 33.Nd6+–)) 31.Nf7 (31.Nf7 Kg8 32.Ne5 fe5 33.Qd6+–) 1–0. Bonetti,Shane – reptile, ICC, 2002.

7.d3 0–0=+ 8.Nf3 Nc5 9.Be2 Bg4 (9...e4 10.de4 Nfe4 11.Ne4 Ne4 12.0–0=) 10.0–0 e4 (10...Re8 11.d4 ed4 12.Nd4 Be2 13.Qe2=) 11.Ne1 (11.de4 Nfe4 12.Ne4 Ne4+=) 11...Be2= 12.Qe2 ed3 (12...a4 13.de4 a3 14.Bc1 Nfe4 15.Ne4 Ne4 16.Qc2=+) 13.Nd3+= Nfd7 14.Nc5 Nc5 15.Nd5 Bg5 (15...Qd7 16.Bd4+=) 16.Rad1 c6 17.Nc3 Bf6 18.Qc2 (18.Qf3 cb5 19.cb5 Bc3 20.Bc3 Qe8+=) 18...Qe7= 19.Na4 cb5 20.Bf6 Qf6 21.Nc5 dc5 22.cb5 b6 23.a4 Rad8 24.h3 g6 25.Rd8 Rd8= 26.Rd1 Kg7 27.Kf1 Rd1 28.Qd1 Qe6 29.Ke2 Qc4 30.Ke1 Qc3 31.Ke2 Qb4 32.Kf1 h6 33.Ke2 Qb2 34.Ke1 c4 35.Qd4 Qd4 36.ed4 Kf6 37.Kd2 Ke6 38.Kc3 Kd5 39.f3 f5 40.g3 g5 41.h4 f4=+ (42.hg5 h5 (42...hg5? 43.g4 Ke6 44.Kc4+–) 43.gf4 h4+–). Rongen – De Rooy, Helmond, 1994.

7.d4 ed4 8.Qd4 Nc5 =+.

7.Nf3 0–0 8.Qc2 Nb6 9.d4 =.

7.Nf3 0–0 8.Qc2 Nc5 9.d4 ed4 10.Nd4 Be6 11.Be2 Re8 12.0–0 Qd7 13.Rad1 Bg4 14.f3 Bh5 15.e4 Bg6 16.Nb3 Nb3 17.Qb3 Qc8 18.Rd2 c6 19.Rfd1 Qe6 20.Ba3 Red8 21.Qa4 c5 22.b6 Nh5 23.Nb5 Bg5 24.Rd6 Rd6 25.Rd6 Qe5 26.Qd1 Be3 27.Kf1 Bd4 28.g3 Nf6 29.Bc1 Qe7 30.Bg5 Rb8 31.Bf6 Bf6 32.Qd5 Qe5 33.Qe5 Be5 34.Rd5 f6 35.Rc5 h6 36.f4 Bb2 37.Bf3 Be8 38.e5 fe5 39.fe5 Kf8 40.Nc7 a4 41.Ke2 a3 42.Ke3 1–0. Lagemann,Tobias (2075) – Klein,Manfred (2055), DESC, 2004.

7.Nf3 0–0 8.Be2 Nb6 9.0–0 Be6 10.d3 Nfd7 11.Ne4 f5 12.Ned2 Qe8 13.Kh1 Qf7 14.Rc1=+ a4 15.d4 a3 16.Ba1 e4 17.Ng1 Nf6 18.Nh3 Ne8 19.d5+= Bd7 20.f3 ef3= 21.Rf3 c6 22.e4 Qg6= 23.ef5 Bf5 24.dc6+= bc6 25.bc6+/– Nf6 26.Rcc3 d5 27.c5 Na4 28.Ra3 Nc5 29.Rae3 Bd6 30.Nc4+/– Ng4?? 31.Rf5 Ne3?? 32.Rf8+– Bf8 33.Ne3 Qc6 34.Bf3 (34...Ne4 35.Nd5+–; 34.Qd5 Qd5 35.Nd5 Ra2 36.Bg7 Bg7–+; 34.Nd5?! Ne4 35.Bf3 Qc4+–) 1–0. Nemec,Zdenek – Kulhanek,Jaromir, CSR Z–77, 1987.

6.d4 b6

7.Nf3 ed4 8.Bd4 Be7 9.Bd3 +=.

7.Nf3 Bb7

8.Be2 ed4 9.ed4 (9.Bd4 Be7=) 9...d5 10.0–0 Bd6 11.Ne5 0–0 12.Bf3 Ne4 13.Nd2 (13.Re1 f5+=) 13...Be5= 14.de5 Ndc5 (14...Qg5 15.Ne4 de4 16.Qd7 ef3 17.g3=) 15.cd5+= Bd5 (15...Ng5 16.Ba3+=) 16.Ne4+/– Be4 17.Ba3 (17.Be4 Ne4 18.Re1 Qd1 19.Rad1 Nc5+=) 17...Bf3+= 18.Qf3 Re8 (18...Qd4 19.Rfe1+=) 19.Bc5 bc5 20.Rfd1 (20.Rad1 Qe7+=) 20...Qe7 21.Rd5 Rad8 22.Rad1 Rd5 23.Qd5 Kf8 (23...g6 24.f4+/–) 24.f4 f6 (24...g5 25.Qc4+/–) 25.Rc1 (25.Re1 Rd8 26.Qc6 fe5 27.fe5 Rd2+/–) 25...Rd8 26.Qc5 (26.Qe4 fe5 27.fe5 Kg8+/–) 26...Rd1+= 27.Kf2 (27.Rd1 Qc5) 27...Rc1 28.Qc1 fe5 ½–½. Gerding,T – Weissenstein,Hans, 1982.

8.Be2 Qe7 9.0–0 e4 A) 10.Ne1 d5 (10...g6 11.Nc3 Bg7 12.Qb3 0–0 13.Nc2 Rae8+=; 10...Rd8 11.d5 Nc5 12.Nd2 g6 13.f3 ef3+=; 10...g5 11.Nc2 Bg7 12.d5 Nc5 13.Nd4 Qd7+=) 11.Nc3 Qe6 12.cd5 Nd5 13.Qc2 Nc3=; B) 10.Ng5 h6 (10...g6 11.Nc3 Bg7 12.Qa4 0–0 13.Nh3 Rac8+=; 10...0–0–0 11.Nh3 Kb8 12.Nc3 g6 13.Nf4 Bh6+=) 11.Nh3 0–0–0 12.Nc3 g5 13.Qc2 Bg7=.

8.Be2 Qe7 9.0–0 g6 10.Nbd2 (10.Nc3 Bg7= (10...e4 11.Nd2 Bh6 12.Kh1 0–0 13.Qc2 Rfe8+=) 11.de5 de5 12.Qc2 e4 13.Nd4 a4+=; 10.d5 Bc8 (10...Nc5 11.Nc3 Bg7 12.Qc2 0–0 13.e4 Bc8+=; 10...Bg7 11.Nbd2 0–0 12.Qc2 Nc5 13.Rae1 Rae8=) 11.Nc3 Bg7 12.e4 Nc5 13.Qb1 Nh5=; 10.Qc2 Bg7 (10...e4 11.Nfd2 Bh6 12.d5 0–0 13.Bd4 Bg7+=; 10...Be4 11.Qc3 Bg7 12.de5 Ng4 13.Nd4 Nge5+=) 11.Nc3 0–0 12.Nd2 Rfe8 13.Rfd1 ed4+=; 10.Qc1 h6 (10...e4 11.Ng5 Bg7 12.Nc3 h6 13.Nh3 0–0–0+=; 10...Bg7 11.Nc3 e4 12.Nd2 0–0 13.Rd1 Rfe8+=) 11.Nc3 Bg7 12.d5 0–0 13.Qc2 Nc5+=) 10...Bh6 (10...Bg7 11.d5 0–0 12.Qc2 Nc5 13.Rfe1 Rae8=; 10...a4 11.a3 Bg7 12.Nb1 Ne4 13.Nc3 Nc3+=) 11.a4 (11.h4 0–0= 12.d5 Nc5 13.Rc1 a4=; 11.d5 0–0 12.Qc2 Bc8 13.e4 Nc5=) 11...e4 12.Nh4 (12.Ne1 Bg7 13.Qc2 0–0–0+=) 12...Bg5 13.g3 Bh4 14.gh4 h5 15.d5 Ne5 (15...0–0 16.Qc2+=) 16.f3 (better is 16.Qc2!?+=) 16...ef3= 17.Nf3 Nfg4 18.Qd4 0–0–0 (18...f6!?=) 19.Ng5+= f6 20.Ne4 (better is 20.Ne6!? f5 21.Qf4+=) 20...Kb8+= 21.h3 (21.Bc3 Rhf8+=) 21...f5 (21...Nh6!?+=) 22.Ng5= Nf6 23.Rf4 Nh7 24.Ne6 Rdg8 (24...Rde8 25.Qd2=) 25.c5 Nf6 26.cb6 cb6 27.Ba3 Nd5–/+ 28.Qe5 de5–+ 29.Be7 ef4 30.Bd6 Kc8 31.ef4?? Re8 32.Nd4 Re4 33.Rc1 Kd7 34.Be5 Rc8 35.Rc8 Kc8 36.Kf2 Nf4 37.Bf1 Re5 0–1. Trkn – prezes, itsyourturn.com, 2000.

8.Be2 Qe7 9.Nc3 A) 9...Qd8 A1) 10.0–0 Be7 11.Qc2 0–0 12.Rfd1 ed4 13.Nd4 Nc5+=; A2) 10.Qa4 Be7 (10...ed4 11.ed4 d5 12.0–0 Bd6 13.Nd2 Ne4+=) 11.0–0 0–0 12.Rad1 ed4 13.ed4 Re8+=; A3) 10.a3 Be7 11.0–0 0–0 12.Qc2 Re8 13.de5 de5+=; A4) 10.Qc2 Be7 (10...ed4 11.ed4 d5 12.Ne5 Bb4 13.0–0 0–0+/–) 11.Rd1 ed4 12.Nd4 Bg2 13.Rg1 Bb7+/–; B) 9...e4 10.Nd2 0–0–0 (10...d5 11.Qc2 dc4 12.Bc4 a4 13.Na4 Bd5+/–; 10...g5 11.0–0 Bh6 12.d5 0–0 13.Nb3 a4+/–; 10...h6 11.d5 Nc5 12.0–0 0–0–0 13.Nb3 Qd7+/–) 11.d5 Re8 12.0–0 Nc5 13.Nb3 Qd7+=; C) 9...Ra7 10.0–0 Qd8 11.Qc2 Be7 12.Rfd1 Qa8 13.Qf5 ed4+/–; D) 9...ed4 10.Qd4 Qd8 (10...Nc5 11.Nd5 Nd5 12.cd5 a4 13.0–0 a3+=; 10...Qe6 11.Rd1 Be7 12.0–0 Nc5 13.Nd5 Rc8+/–) 11.0–0 a4 12.Nd5 Be7 13.Rfd1 Nd5+=; E) 9...g6 E1) 10.d5 Bc8 (10...Nc5 11.Qc2 a4 12.e4 Bh6 13.Ba3 Nfd7+/–; 10...Bg7 11.0–0 0–0 12.Qc2 Ra7 13.e4 Rfa8+=; 10...Bh6 11.0–0 0–0 12.Rc1 Nc5 13.Na4 Na4+=) 11.Rc1 Bg7 12.e4 Nc5 13.Qc2 0–0+=; E2) 10.de5 de5 11.0–0 Bg7 12.Qc2 0–0 13.e4 Nc5+=; E3) 10.Qd2 a4 (10...Bg7 11.0–0 a4 12.a3 Ne4 13.Qc2 Nc3+=; 10...ed4 11.Qd4 Ne5 12.Nd5 Nd5 13.cd5 Bg7+=) 11.de5 de5 12.Nd5 Nd5 13.cd5 Qb4+=; E4) 10.0–0 Bg7 (10...e4 11.Nd2 Bh6 12.d5 0–0 13.a3 Rae8+=; 10...h6 11.Qc2 Bg7 12.Rfd1 0–0 13.de5 de5+=) 11.Qc2 0–0 12.Rfd1 ed4 13.ed4 Rfe8+=.

8.Be2 Qe7 9.d5 A) 9...Qd8 A1) 10.Nc3 Bc8 (10...Nc5 11.Ba3 Be7 12.Bc5 bc5 13.0–0 Rb8+=; 10...Be7 11.0–0 0–0 12.Qc2 Bc8 13.Ng5 h6+=) 11.e4 Be7 12.Bc1 0–0 13.0–0 Nc5=; A2) 10.Qc2 Bc8 (10...Be7 11.Nc3 Bc8 12.0–0 0–0 13.Ng5 h6+=; 10...Nc5 11.Ba3 Nfd7 12.Nc3 Be7 13.Nd4 ed4+=; 10...Qe7 11.Nc3 Nc5 12.0–0 Qd7 13.Ba3 Be7+=) 11.Nc3 Be7 12.Ne4 0–0 13.Nf6 Nf6+=; A3) 10.a3 Nc5 (10...Bc8 11.Nc3 Be7 12.0–0 Nc5 13.Na4 Ncd7+=; 10...Be7 11.0–0 Nc5 12.Ne1 0–0 13.Nd3 Nfd7+=) 11.Nc3 Be7 12.0–0 0–0 13.Na4 Na4=; A4) 10.0–0 Bc8 (10...Be7 11.Nh4 0–0 12.Nf5 Bc8 13.f4 ef4+=) 11.Nc3 Be7 12.Ng5 0–0 13.f4 h6+=; B) 9...a4 B1) 10.0–0 Nc5 (10...Bc8 11.Nc3 Nc5 12.Ba3 Nfe4 13.Ne4 Ne4+=; 10...g6 11.Nc3 Nc5 12.Qc2 Bg7 13.e4 a3+=; 10...Ne4 11.Nfd2 Nec5 12.Nc3 a3 13.Bc1 Qh4+/–) 11.Nc3 g6 12.Nd2 Bg7 13.Ba3 Nfd7+=; B2) 10.Nc3 Nc5 11.0–0 g6 12.Qc2 Bg7 13.e4 0–0+=; C) 9...Nc5 C1) 10.Nc3 Qd7 (10...Qd8 11.0–0 Be7 12.Na4 Na4 13.Qa4 0–0+=; 10...Bc8 11.Na4 Na4 12.Qa4 Bf5 13.Nh4 Bd7+=) 11.Ba3 Be7 12.0–0 0–0 13.Bc5 bc5+=; C2) 10.Qc2 Bc8 (10...Qd7 11.Ba3 Be7 12.Bc5 bc5 13.Bd3 Bc8+=; 10...a4 11.0–0 Bc8 12.Ba3 Nfe4 13.Nbd2 Bf5+=; 10...Nfe4 11.Nbd2 Nd2 12.Nd2 g6 13.Rb1 Bg7+=) 11.0–0 g6 12.Ne1 Bf5 13.Nd3 0–0–0+=; C3) 10.Nbd2 Qd7 (10...Bc8 11.0–0 Bf5 12.Nh4 Bd7 13.f4 ef4=; 10...Qd8 11.0–0 Be7 12.Ne1 0–0 13.Nd3 Nfd7+=; 10...a4 11.0–0 Bc8 12.Qc2 Qd7 13.Ba3 Be7+=) 11.0–0 Be7 12.Ne1 Qf5 13.Nc2 Qg6=; C4) 10.0–0 Qd8 (10...Qd7 11.Ne1 Be7 12.Nd3 0–0 13.Nc5 bc5+/–) 11.Ne1 Be7 12.Nd3 Nd3 13.Bd3 Nd7+=; D) 9...0–0–0 D1) 10.Nc3 Re8 (10...Nc5 11.Na4 Ncd7 12.0–0 Re8 13.Qc2 Kb8+/–; 10...Kb8 11.Qc2 g6 12.0–0 Nc5 13.Na4 Ncd7+=; 10...g5 11.Bd3 Nc5 12.Ng5 Nd5 13.Bf5 Kb8+=) 11.0–0 Nc5 12.Qc2 Kb8 13.Nd2 Bc8+=; D2) 10.0–0 h6 (10...Rg8 11.Nc3 g5 12.Qc2 Nc5 13.Nd2 Bg7+=; 10...Qe8 11.Nc3 Kb8 12.Qc2 g6 13.a3 Bc8+=; 10...Nc5 11.Qc2 g6 12.Nfd2 Bg7 13.Nb3 Kb8+=) 11.Qc2 Kb8 12.Nc3 Bc8 13.Nd2 g6+=; D3) 10.Qc2 h6 11.0–0 Kb8 12.e4 g5 13.Nfd2 Bg7+=; E) 9...g6 E1) 10.Nc3 Bg7 (10...Nc5 11.Qc2 Bg7 12.0–0 e4 13.Nd4 a4+=; 10...Bh6 11.0–0 0–0 12.a3 Bc8 13.Qc2 Nc5+=; 10...Bc8 11.0–0 Nc5 12.Re1 Bg7 13.Nd4 Bd7+=) 11.Qa4 Nc5 12.Qc2 Bc8 13.e4 Nh5=; E2) 10.Na3 Nc5 (10...Bc8 11.0–0 Bg7 12.Nb1 0–0 13.Nc3 Nc5=; 10...Bg7 11.0–0 0–0 12.Nc2 Bc8 13.Rb1 Nc5=; 10...Bh6 11.Nc2 0–0 12.0–0 Bg7 13.Nd2 Nc5=) 11.0–0 Bg7 12.Nd2 0–0 13.Nb3 Na4=; E3) 10.0–0 Bh6 (10...Bg7 11.Qd2 Nc5 12.Nc3 0–0 13.Qc2 e4=; 10...Nc5 11.Nc3 Bg7 12.Qd2 Bc8 13.Rac1 Bf5=; 10...Bc8 11.Nc3 Bg7 12.e4 0–0 13.Qc2 Nh5+=) 11.Qa4 Nc5 12.Qc2 Bc8 13.Qd1 0–0=; E4) 10.Nbd2 a4 (10...Nc5 11.0–0 Bg7 12.Qc2 Bc8 13.e4 0–0+=; 10...Bg7 11.Qc2 0–0 12.0–0 h6 13.e4 Nc5+=; 10...Bc8 11.0–0 Bg7 12.Re1 0–0 13.Qc2 Re8=) 11.0–0 Nc5 12.Ne1 Bg7 13.Ba3 0–0=.

6.d4 ed4

7.ed4 d5 8.c5 c6 9.b6 Ne4 10.Bd3 Be7 11.Nf3 0–0 12.Qc2 Re8 13.0–0 Bf8 14.Nc3 f5 15.Rfe1+/– Qf6 16.Ne2 Qh6 17.Ng3 Ndf6 18.Bc1+/– g5 19.Bg5?? Ng5=+ 20.Re8 Nf3–+ 21.gf3 Ne8 22.Bf5 Ng7 23.Bg4 Qf4 24.Ne2 Qg5 25.Kf1 Bg4 26.fg4 Qg4 27.Qd2 Nf5 28.Rd1 Bg7 29.Qd3 Re8 30.h3 Qe4 31.Qd2 Qf3 32.Re1 Ne3 (33.Qe3 Re3–+; 32...Re2 33.Qf4 Rf2 34.Kg1 Qg2#) 0–1. Rohde,Angela – Hausmann,Ilka, BL2 Mitte, 1993.

7.ed4 Be7 8.Bd3 =.

7.Bd4 b6 8.Be2 Bb7 9.Bf3 Bf3 10.Nf3 g6 11.h4 Bg7+= 12.h5 gh5 13.Nc3 0–0 14.Qc2 Re8 15.0–0–0 Qe7 16.Nd5+/– Nd5 17.cd5 Bd4 18.Rd4+– Nf6 19.Qf5 Ne4 20.Nd2 Qf6+/– 21.Qh5 Nf2? 22.Rhh4 Re3? 23.Qh7 Kf8 24.Qh8 Ke7 25.Qf6 Kf6 26.Rhf4 Ke7 27.Rf2 Rh8 28.Re4 Re4 29.Ne4 1–0. Zschalich – Kowalczyk, BezM Leipzig, (year?).

7.Bd4 Be7 8.Nf3 =.

7.Bd4 g6 8.Nf3 +=.

6.d4 Be7

7.Nd2 0–0 8.Bd3 ed4 9.ed4 d5 =.

7.Nd2 0–0 8.Ngf3 ed4 9.ed4 (9.Nd4 Nc5=) 9...Re8 10.Be2 Nf8 11.0–0 Ng6 12.g3 Bf5 13.Re1 Ne4 (13...Qd7!?=) 14.Ne4+= Be4 15.Bf1 (15.Bd3 Bd3 16.Qd3 d5+=) 15...Bf5 16.Bg2 Qd7 17.Nd2 c6 18.a4 (18.Qa4 Rec8 19.bc6 bc6+=) 18...d5= 19.bc6 bc6 20.c5 (20.Bc3 Rab8=) 20...Bg5 21.Nf3 Bf6 22.Qd2 Reb8 23.Bc3 Qc7 (23...Rb3 24.Ra2+=) 24.Rf1 (24.Ra2 Rb3=) 24...Rb3 25.Ne1 (25.Rae1 h5=) 25...Qb7 (25...Nf8 26.Nf3+=) 26.f4 (26.Nc2!?=) 26...Qa6+= 27.Nf3 Be4 28.Rfc1 Qd3 (28...Rab8 29.Bf1 Qa7 30.Ng5+=) 29.Qd3 Bd3 30.Ne5 (30.h4!?+=) 30...Ne5–/+ 31.fe5? (better is 31.de5 Be7 32.Bd4–/+) 31...Bg5–+ 32.Bh3 Be3 33.Kg2 Be4 34.Kf1 Bc1 35.Rc1 f5 36.ef6 gf6 37.Bd7 Ra6 38.Ke2 (38.Bg4 Ra3 39.Bd1 Ra2–+) 38...Rb1 (better is 38...Ra3–+) 39.Kd2 Rc1 40.Kc1 Kf7 41.Bd2 Ke7 42.Bh3 Bd3 43.Bf4 Ra7 44.Kd2 Be4 45.Bf1?! Rb7 46.Bd3 Bd3 47.Kd3 Rb4 48.Bd2 Ra4 49.Kc2 Ra2 (49...Ra2 50.Kc3 Rd2 51.Kd2 Ke6–+) 0–1. Sturc,Gustav (2010) – Goga,Frantisek (1885), Piestany SVK, Open, 2013.

7.Nd2 0–0 8.Ngf3 ed4 9.Bd4 Nc5 10.Qc2 Qd7 11.Nb3 Ne6 =.

7.Nd2 0–0 8.Ngf3 e4 9.Ng5 d5 10.cd5 +=.

7.Nd2 c6 A) 8.Be2 0–0 (8...cb5 9.de5 de5 10.cb5 e4 11.Qc2 Bb4=) 9.Nh3 cb5 10.cb5 a4 11.Rc1 Nb6=; B) 8.Qf3 ed4 9.Bd4 Ne5 10.Qf4 Ng6 11.Qg3 0–0=; C) 8.bc6 bc6 9.Qa4 Qc7 10.Ngf3 0–0 11.Bd3 ed4=; D) 8.Bd3 0–0 (8...ed4 9.ed4 d5 10.c5 a4 11.Ne2 0–0+=) 9.Ngf3 ed4 10.Bd4 Nc5 11.Bb1 Ne6=.

7.Nd2 ed4 8.Bd4 0–0 (8...Nc5 9.Ngf3 Bf5 10.Be2 0–0 11.0–0 Re8=; 8...a4 9.Ngf3 Nc5 10.Bc5 dc5 11.Qc2 Bd6=) 9.Ngf3 Nc5 10.Qc2 Qd7 11.Nb3 Ne6 =.

7.Nd2 h6 8.Bd3 0–0 (8...ed4 9.ed4 a4 10.Ngf3 d5 11.c5 0–0+=) 9.Ngf3 Re8 10.0–0 ed4 11.Bd4 Ne5 =.

7.Nf3 0–0 8.Be2 (8.Nbd2 ed4 9.Bd4 Nc5 10.Be2 Bf5 11.0–0 Re8=; 8.Qc2 a4 (8...Re8 9.Bd3 a4 10.0–0 ed4 11.Bd4 Nc5+=; 8...ed4 9.Bd4 Re8 10.Bd3 Nc5 11.Bc5 dc5=; 8...b6 9.Be2 ed4 10.Nd4 Bb7 11.0–0 Re8+=) 9.de5 de5 10.Ne5 Bb4 11.Bc3 Bc3=; 8.a3 ed4 (8...e4 9.Nfd2 c6 10.Nc3 d5 11.c5 cb5=; 8...Qe8 9.de5 de5 10.Ne5 Ba3 11.Ra3 Ne5+=) 9.Bd4 Nc5 10.Be2 Nfe4 11.Nbd2 Bf6=) 8...ed4 9.ed4 (9.Nd4 a4 10.0–0 Re8 11.a3 Ne4=) 9...Nb6 (9...Re8 10.0–0 d5 11.c5 Ne4=) 10.0–0 Re8 11.Bd3 (11.Re1 Bf5=) 11...c6 (11...d5 12.c5 Nc4 13.Bc4 dc4 14.Nbd2=) 12.Na3 Bg4 (12...Nh5 13.Bc1+=) 13.Re1+= cb5 (13...h6 14.Rb1+=) 14.Nb5+/– d5 15.c5 Nc4 16.Bc4 dc4 17.Rc1 (17.Qc2 Bf3 18.gf3 Qd7 19.Qc4 Qc6+=) 17...Nd5 18.Rc4 Bf3 19.Qf3 Qd7 20.Nc3 Bc5 21.Rd1 (21.Re8 Re8 22.g3 Nc3 23.Bc3 Bb6+=) 21...Nc3= 22.Rc3 Qe6 (22...Bb4 23.Rb3 Rac8 24.Bc3=) 23.g3 (23.Rc5?? Qe1 24.Re1 Re1; 23.dc5?? Qe1 24.Re1 Re1) 23...Bd6 24.Rb3 Qe2 25.Qe2 Re2 26.Rb7 Rc8 27.d5 a4 ½–½. Woelfelschneider,Peter – Benassi,Aspasio, corr TMK/A004, 1999.

7.Nf3 ed4 A) 8.Bd4 0–0 (8...Nc5 9.Bc5 dc5 10.Qd8 Bd8 11.Nc3 Be7+=; 8...Nf8 9.Bd3 Ne6 10.0–0 0–0 11.Qc2 Nd4=) 9.Bd3 Nc5 10.Bc5 dc5 11.Qc2 Bd6=; B) 8.Nd4 B1) 8...0–0 9.Nc3 (9.Be2= Nc5 10.0–0 Qe8 11.Nc3 a4=) 9...Nb6 10.Bd3 Nbd7 11.0–0 Ne5+=; B2) 8...Nc5 9.Be2 0–0 10.0–0 Be6 11.Nd2 Nfd7=; B3) 8...Ne5 9.Be2 0–0 10.0–0 Re8 11.Nc3 Bg4=; B4) 8...a4 9.Be2 0–0 10.0–0 Nc5 11.a3 Nfe4=; C) 8.Qd4 Nc5 (8...0–0 9.Be2 Nb6 10.Nc3 Re8 11.0–0 a4=; 8...a4 9.Be2 0–0 10.0–0 Nc5 11.Nbd2 Re8=; 8...Nb6 9.Nc3 Be6 10.Bd3 Nfd7 11.Nd5 Nd5=) 9.Be2 Na4 10.Bc1 0–0 11.0–0 Nd7=; D) 8.ed4 0–0 (8...d5 9.c5 Ne4 10.Bd3 0–0 11.0–0 b6=; 8...a4 9.Bd3 0–0 10.0–0 Re8 11.Re1 d5+=) 9.Bd3 Nb6 10.Nbd2 Re8 11.0–0 c6=.

7.Nf3 e4 8.Nfd2 Nb6 (8...d5 9.Nc3 c6 10.Qb3 Nb6 11.c5 Nbd7+=; 8...c6 9.Nc3 d5 10.Qb3 Bb4 11.a3 Bc3+=) 9.Nc3 d5 10.c5 Nbd7 11.Be2 0–0 +=.

6.Nf3 e4

7.Nd4 a4 8.Be2 =.

7.Nd4 Be7 8.Be2 =.

7.Nd4 g6 A) 8.Be2 Bg7 A1) 9.0–0 Qe7 10.Nc3 0–0 11.f3 Nc5 12.Qc2 Re8 13.fe4 Nce4 14.Bf3 Bd7; A2) 9.Qc2 Qe7 10.Nc3 0–0 11.0–0 Nc5 12.f3 a4 13.a3 Re8 14.fe4 Nce4; A3) 9.a4 0–0 (9...Qe7 10.Nc3 0–0 11.0–0 Nc5 12.Qc2 Re8 13.f3 Bd7 14.fe4 Nce4; 9...Nc5 10.0–0 0–0 11.Nc3 Re8 12.f3 Bd7 13.Qc2 Qe7 14.fe4 Nce4; 9...Ne5 10.Nc3 c5 11.bc6 bc6 12.d3 ed3 13.Bd3 0–0 14.0–0 Ba6) 10.Nc3 Re8 11.0–0 Nc5 12.f3 Bd7 13.Qc2 Qe7 14.fe4 Nce4; A4) 9.Nc3 0–0 (9...Nc5 10.0–0 0–0 11.Qc2 a4 12.a3 Qe7 13.f3 Re8 14.fe4 Nce4) 10.0–0 Nc5 11.a4 Bd7 12.Qc2 Re8 13.f3 Qe7 14.fe4 Nce4; B) 8.Nc3 Bg7 B1) 9.Be2 Nc5 (9...0–0 10.0–0 Nc5 11.Qc2 a4 12.a3 Re8 13.f3 ef3 14.Bf3 Bg4) 10.0–0 0–0 11.f3 a4 12.a3 Re8 13.Qc2 ef3 14.Bf3 Bg4; B2) 9.Qc2 Nc5 (9...0–0 10.Ne4 Ne4 11.Qe4 Nc5 12.Qc2 Re8 13.Be2 Qg5 14.0–0 Bh3; 9...Qe7 10.Nd5 Nd5 11.cd5 Nc5 12.Nf5 Bf5 13.Bg7 Rg8 14.Qc3 Nd7) 10.Be2 0–0 11.0–0 a4 12.a3 Qe7 13.f3 Re8 14.fe4 Nce4; B3) 9.a4 0–0 (9...Nc5 10.Be2 0–0 11.0–0 Qe7 12.Qc2 Re8 13.f3 Bd7 14.fe4 Nce4; 9...Qe7 10.Be2 0–0 11.0–0 Nc5 12.Qc2 Re8 13.f3 Bd7 14.fe4 Nce4) 10.Be2 Qe7 11.0–0 Nc5 12.Qc2 Re8 13.f3 Bd7 14.fe4 Nce4; B4) 9.d3 ed3 10.Bd3 0–0 11.0–0 Nc5 (11...Qe7 12.Nd5 Nd5 13.cd5 Nc5 14.e4 Re8) 12.f3 Qe7 13.Qd2 (13.Qe2 Bd7 14.Bc2 a4) 13...a4 14.Nd5 Nd5.

7.Nd4 Nc5

8.Qc2 g6 (8...a4 9.Be2 g6 10.0–0 Bg7 11.a3 Qe7 12.Nc3 0–0 13.f3 Re8) 9.Nc3 a4 10.a3 Bg7 11.Be2 0–0 12.0–0 Qe7 13.f3 Re8.

8.Nc3 a4!?= 9.Qc2 a3 10.Bc1 g6 11.d3 ed3 12.Bd3 Bg7 13.0–0 0–0.

8.Nc3 Be6 9.Ne6 fe6 10.d4 ed3 11.Bd3 Qd7 12.Bc2+= Be7 13.Qe2 0–0= 14.0–0 c6 15.Rad1 Qe8 16.Na4 Ncd7 17.bc6 bc6 18.Qf3 d5= 19.Qh3 Bd6 20.e4+= h6 21.ed5+/– ed5 22.Rfe1 Qf7 23.Bf5+– Kh8 24.Re6 Be5 25.Re5 Ne5 26.Be5 Qe7 27.f4 Kg8 28.c5 Rad8 29.Qc3 Qf7 30.Qh3?? Qe7 31.Re1 d4 32.Bc2 d3 33.Bd3 Rd4 34.Qg3 Ra4 35.Bd6 Qd8?? 36.Re7+– Rf7 37.Rf7 Nh5 38.Qg6 Rf4 39.Rb7 (39...Rf1 40.Bf1 Kh8 41.Rg7 Ng7 42.Qh6 Kg8 43.Bc4 Ne6 44.Be6#) 1–0. Hromada,Vaclav – Sopko,Cassio Roberto, corr, 1970.

8.Nc3 Be7 9.d3 =.

8.Nc3 Ng4 9.Qc2+/– f5 (9...Nf6 10.Be2 g6 11.Nb3 Nd3 12.Bd3 ed3 13.Qd3 Bg7) 10.d3 (10.Be2 Be7+/– (10...Nf6 11.0–0 Be7 12.f3 a4 13.fe4 a3) 11.0–0 0–0 12.f3 Nf6 13.Nb3 a4) 10...Nf6 (10...ed3 11.Bd3 Nd3 12.Qd3+= Be7 13.0–0 0–0) 11.de4+/– fe4 12.h3 (12.Nb3 Nb3 13.ab3 Bf5) 12...Qe7 (12...Be7 13.Nb3 Nb3) 13.Nb3 (13.Be2 g6) 13...h5 (13...Qe6 14.Nc5 dc5 15.g4+/–; 13...b6+/–) 14.Nc5 dc5 15.0–0–0 c6 16.f3 Bd7? (better is 16...ef3!? 17.e4 Be6+=) 17.fe4+– 0–0–0 18.Qa4?? (18.bc6 Bc6 19.Rd8 Qd8+–) 18...Be8?? (better is 18...Ne4 19.Qa5 Nc3 20.Bc3 Qe3 21.Kb2 Bd6 22.Rd6 Qf2 23.Rd2 Qg3 24.Qa8 Qb8 25.Qb8 Kb8+–) 19.Be2+– Rd1 20.Rd1 Qc7 21.e5! Nd7 22.bc6 bc6 23.Nd5 cd5+/– 24.cd5 Nf6? 25.Ba6+– Kd8? 26.Qh4 1–0. Sokolski,Alexey – Szoelloesi,Laszlo, corr USSR–Hungary, 1967.

8.Be2 d5 =.

8.Be2 g6 9.0–0 Bg7 10.f3 0–0 11.Nc3 a4 12.Ne4 Nfe4 13.fe4 Ne4.

6.Nf3 g6

7.d4 ed4 8.ed4 Bg7 (8...d5 9.Nc3 Be7 10.c5 0–0 11.Be2 Re8 12.0–0+=) 9.Qe2 (9.Bd3 0–0 10.0–0 Re8 11.Re1 Re1 12.Qe1+=) 9...Qe7 (9...Kf8 10.Qe3 (10.Qd1= d5 11.Bd3 dc4 12.Bc4=) 10...Ng4 11.Qa3 Qe7 12.Be2+=) 10.Nbd2 (10.Qe7 Ke7 11.Bd3 Re8 (11...Nh5= 12.0–0+=) 12.0–0+=) 10...Qe2 (10...Qe6 11.Qe6 fe6 12.Bd3+=) 11.Be2 0–0 12.0–0 Re8 13.Rfe1 b6 (13...Nb6 14.Bd3=) 14.Bd3 Bb7 15.d5 (better is 15.Rad1!?=) 15...Nd5–/+ 16.Bg7 Nf4 17.Bg6 hg6 18.Bd4 Ne2 19.Kf1 Nd4 20.Nd4 Nc5 21.N2f3 Nd3 22.Re3 Re3 23.fe3 Re8 24.Ke2 Nc5 25.g3 Kg7 26.Nd2 Bc8 27.Kf3 (27.Rg1 Bg4 28.N2f3 f6–/+) 27...Nd3 (27...Nd7 28.Ke2–/+) 28.Ke2 (28.Nc6 f6+=) 28...Ne5–/+ 29.N4f3 (29.Rc1 Ng4 30.Nf1 g5–/+) 29...Bg4 30.Rc1 Re6 (30...g5 31.a4–/+) 31.Rc3 g5 32.h3 Bh3 33.Ng5 Bg4 34.Kf2 Rf6 35.Kg2 Rf5 36.Nh3?? Bh3–+ 37.Kh3 Rf2 38.Ne4 Ra2 39.g4 Kg6 40.Kg3 f5 41.Nf2 Ra4 42.e4 fe4 43.Ne4 Nc4 44.Rf3 Ne5 45.Re3 Ng4! (45...Ng4 46.Re1 Nf6–+) 0–1. Diepstraten,Leo CM – Bartis,Gustavo Fernando, corr ICCF World Cup3 prel–055, 1974.

7.d4 ed4 8.Bd4 Bg7 9.Be2 (9.Nbd2 0–0 10.Be2 Nc5 11.0–0 Re8 12.a3=; 9.Nc3 0–0 10.Be2 Re8 11.0–0 Nc5 12.Nd5=; 9.Bd3 Nc5 10.Nc3 0–0 11.0–0 Re8 12.Re1=) 9...0–0 10.0–0 Nc5 11.Nc3 Re8 12.Nd5=.

7.d4 Qe7 A) 8.Nc3 A1) 8...ed4 9.Nd5 Nd5 10.cd5 Bg7 11.Rc1 0–0 12.Bd4+= ; A2) 8...h6 9.Rc1 (9.Be2 Bg7 10.0–0 0–0 11.Qc2 Nb6 12.de5+= ; 9.de5 Ne5 10.Nd5 Nd5 11.cd5 Bg7 12.Ne5+= ) 9...e4 10.Nd2 Nb8 11.Nd5 Nd5 12.cd5+/–; A3) 8...Bh6 9.Be2 (9.de5 de5 10.Nd5 Nd5 11.cd5 Bg7 12.Be2+= ; 9.c5 0–0 10.cd6 cd6 11.Rc1 Bg7 12.Be2+= ; 9.Rb1 Bg7 10.Be2 0–0 11.0–0 Nb6 12.Na4=) 9...0–0 10.0–0 Re8 11.de5 Ne5 12.Ne5+=; A4) 8...Bg7 9.Be2 0–0 10.0–0 Re8 11.Qc2 ed4 12.ed4+= . B) 8.Be2 Bg7 9.0–0 (9.Nc3 0–0 10.0–0 Nb6 11.Rc1 Rd8 12.Na4+= ; 9.a3 e4 10.Nfd2 0–0 11.0–0 Re8 12.Nc3=; 9.de5 de5 10.Qc2 0–0 11.0–0 Rd8 12.e4+=) 9...e4 10.Nfd2 0–0 11.Qc2 Nb6 12.Nc3+=.

7.d4 Bg7 A) 8.Be2 0–0 9.0–0 (9.Nbd2 Qe7 10.de5 de5 11.e4 Nc5 12.Ba3= ; 9.de5 Ng4 10.0–0 Nde5 11.Bd4 Re8 12.Nc3=) 9...Re8 10.Nc3 ed4 11.Nd4 Nc5 12.Nd5=; B) 8.Nc3 B1) 8...0–0 9.Be2 (9.Bd3 ed4 10.Nd4 Nc5 11.0–0 Be6 12.Na4= ; 9.Rb1 ed4 10.Nd4 Nc5 11.Be2 Be6 12.0–0= ; 9.de5 de5 10.Qc2 Qe7 11.e4 c6 12.Be2=) 9...ed4 10.Nd4 Nc5 11.0–0 a4 12.a3=; B2) 8...ed4 9.ed4 (9.Nd4 0–0 10.Be2 Nb6 11.0–0 a4 12.a3= ) 9...0–0 10.Be2 d5 11.c5 Re8 12.0–0=; C) 8.Nbd2 C1) 8...Qe7 9.Be2 e4 10.Ng5 h6 11.Nh3 Nb6 12.Nf4=; C2) 8...ed4 9.ed4 (9.Bd4 0–0 10.Be2 Qe7 11.0–0 Re8 12.a3= ) 9...Qe7 10.Be2 0–0 11.0–0 d5 12.Re1+=; C3) 8...a4 9.de5 (9.Be2 0–0 10.de5 Ng4 11.0–0 Nge5 12.Rb1= ; 9.Bd3 Qe7 10.Bc2 a3 11.Bc3 e4 12.Ng1= ; 9.Bc3 e4 10.Ng5 d5 11.Qc2 h6 12.Nh3=) 9...Ng4 10.Be2 Nge5 11.Ne5 de5 12.0–0=; C4) 8...0–0 9.Be2 (9.de5 Ng4 10.Be2 Nde5 11.Rb1 Re8 12.0–0= ) 9...Qe7 10.0–0 Re8 11.Qc2 a4 12.de5=; D) 8.de5 Ng4 9.Nc3 (9.Be2 Nde5 10.Bd4 0–0 11.0–0 Nf3 12.Bf3= ; 9.Bd4 de5 10.Bc3 0–0 11.Be2 Qe7 12.0–0=) 9...Nde5 10.c5 a4 11.a3 dc5 12.Qd8+=.

7.Be2 Bg7 8.0–0 0–0 9.Nc3 Re8 10.d4 ed4 11.Nd4 Nc5 12.a4 Nfe4 13.Nd5 Bd7 14.f3 Nf6 15.e4 Nh5 (15...Nd5 16.cd5 Qg5 17.Ra3=) 16.g3 (16.b6!? cb6 17.Qc2=) 16...c6+= 17.Nc3 Bh6 (17...Bh3!? 18.Rf2 Bd4 19.Qd4 Nb3–/+) 18.Bc1= Bf8 (18...Bg7 19.Bb2=) 19.Be3 f5 (19...Bg7 20.Rb1=) 20.bc6 (20.Nb3 Bg7 21.Nc5 dc5=) 20...bc6= 21.Rb1 Bg7 22.Qd2 fe4 23.g4 Nf6 24.g5 Nh5 25.Kh1 ef3 26.Bf3+= Rc8 27.Rbe1 Qb6–/+ 28.Kg1 Nf4! 29.Rb1 Nh3 30.Kh1 Qa6 31.Be2 Qa7 32.Bf3 Re3 33.Qe3 Ne6 34.Bg4 Nhg5 35.Nce2 Re8 36.Nf5 Qe3 37.Ne3 Nf8 38.Bd7 Nd7 39.Rb3 Ne4 40.Ra3 Nec5 41.Ng3 Nb6 42.Kg2 h5 43.Rf3 Nba4 44.Ngf1 Ra8 45.Rg3 Kh7 46.Nd2 Nb2 Black plans a4 47.Nb3 Ne4 48.Rf3 a4 49.Rf7 Kh6 50.Re7 Be5 51.Kg1 c5 52.Rf7 Nd3 53.Nd2 Nd2 54.Rd3 Nb1 55.Rb7 a3 56.Rb1 a2 57.Re1 a1Q 58.Ra1 Ra1 (58...Ra1 59.Rd1 Ra2–+; 58...Ba1 59.h4–+) 0–1. pcmvr (2870) – fersbery (2115), net–chess.com, 2009.

7.Be2 Bg7 8.Nc3 0–0 9.0–0 Qe7 10.d4 e4 11.Nd2 Re8 12.Qc2 Nf8 13.h3 h5 14.Na4 N8h7 15.c5 d5 16.Nb3 Ng5 17.h4 (better is 17.Bc3!?+/–) 17...Ngh7 18.Bc3 Ng4 19.g3 g5 20.hg5 Qg5 21.Kg2 (21.Ba5 Ne3 22.Qc3 Nf1 23.Rf1–+) 21...h4–/+ 22.Rh1?? (22.c6!? hg3 23.cb7 gf2 24.Bg4 Qg4 25.Kf2 Qf3 26.Kg1 Qe3 27.Rf2 Bb7 28.Bd2 Qg3 29.Rg2–/+) 22...hg3 (better is 22...Ne3 23.fe3 Qg3 24.Kf1 Re6–+) 23.fg3?? (better is 23.Bg4 Bg4 24.Nd2–+) 23…Ne3 (23...Ne3 24.Kf2 Nc2–+) 0–1. Huelle,Gunter – Hoffmann,Steffen (2050), Leipzig VfB op, 2006.

7.Be2 Bg7 8.d4 0–0 9.a4 Re8 10.Nc3 ed4 11.Nd4 Ne5 12.h3 c5 13.Nf3 Nfd7 14.Qd6 Nf3 15.gf3 Qh4 16.Qd2 Nb6 17.Ne4 ½–½. Coakley,J – Hergott,Deen (2365), Toronto CAN, 1988.

5.c4 Be6

6.a4 Be7 7.Nf3 0–0 8.Nc3 (8.Be2 Nbd7=) 8...Nbd7 9.Be2 c6 (9...Nb6 10.d3=) 10.d4 e4 (10...cb5 11.Nb5 e4 12.Ng5=) 11.Nd2 d5 12.0–0 Re8 13.c5 Nf8 (13...Rc8 14.b6+=) 14.f3 ef3 15.Bf3 Qd7 16.b6 (16.Qe2 Rab8+=) 16...Ng4 17.Re1 Bg5 18.Nf1 Bf5 (18...Nf6 19.e4=) 19.e4 de4 20.Ne4 (20.Be4? Bf6 21.d5 Be4 22.Re4 Re4 23.Ne4 Bb2–+) 20...Be4 21.Be4 Nf6 22.Bf3 (22.Bc2!?=) 22...Ne6+= 23.Bg4 (23.Bc3 Rad8+=) 23...Ng4–/+ 24.Qg4 Bf6 25.Ne3 Red8 (25...Nc5!? 26.Nf5 Re1 27.Re1 h5+=) 26.Nf5= g6 (26...Nd4 27.Rf1 Qd5 28.Kh1+=) 27.Rad1 Kf8 28.Ne3 Nd4? (better is 28...Bd4!? 29.Kh1 Kg8+=) 29.Qf4+– (29.Qf4 Bg7 30.Kh1+–) 1–0. Rebber,Christian (2145) – Sjoestroem,Olle (2060), Werther Schloss op, 2000.

6.Nc3 c5 7.h3 Be7 8.Nf3 h6 9.Be2 0–0 10.Qc2 b6 11.0–0 Nbd7 12.d3 Re8 13.e4 Nf8 14.Nh2 Ng6 15.Bc1 Nh7 16.f4 ef4 17.Bf4 Nf4 18.Rf4 Bg5 19.Rf3 Bf6 20.Raf1 Bd4 21.Kh1 Ng5 22.Rg3 Be5 23.Re3 Bd4 24.Rg3 Be5 25.Re3 Bd4 26.Rg3 ½–½. typ48 – janvaljan (1620), kurnik, 2012.

6.Nc3 Be7 7.Be2 0–0 8.Nf3 h6 9.d4 Nbd7 10.d5 Bf5 11.Nd2 e4 12.0–0 Re8 13.Na4 Bf8 14.Rc1 Bg6 15.Nb3 Nc5 16.Nd4 Nfd7 17.Bg4 Ne5 18.Bh3 Qg5 19.Nc5 dc5 20.Ne2 Nf3 21.Kh1 Bd6 22.gf3 ef3 23.Ng3 Qh4 24.Bd7 Re7 25.Bc6 (better is 25.Bg7!? Rd7 26.Bb2 Bg3 27.fg3=) 25...bc6–/+ 26.dc6? (26.Rg1 cb5 27.cb5 Re4 28.Qf3 Ra4–/+) 26...Rae8 (26...Re3 27.Qd6 cd6 28.fe3–+) 27.b6? (27.Rg1!?–/+) 27...Be4 (better is 27...Re3 28.Qd6 Qh3–+) 28.b7?? (better is 28.Rg1 g6 29.Qd2–/+) 28...Bg3 (28...Bc6?! 29.Rg1 g6 30.Qb3–+) 29.fg3 f2 30.Qf3 Bf3 0–1. typ48 – danuska1201 (1655), playok.com, 2012.

6.d3 c6 7.Nf3 =.

6.d3 Nbd7 7.Nf3 h6 (7...Be7 8.Be2=) 8.Be2 e4 (8...Be7!?=) 9.de4+= Ne4 10.0–0 Ndf6 (10...Nb6 11.Qc2 Nc5 12.Nd4+=) 11.Nbd2 (11.Nd4 Bd7+/–) 11...Nc5 (11...Nd2 12.Qd2 Be7 13.Nd4+=) 12.Nd4+/– Bd7 13.Bf3 (13.N4b3 Nb3 14.ab3 Be7+/–) 13...Be7 (13...a4 14.Ne2+=) 14.N4b3+/– Nb3 15.Nb3 (15.ab3 d5+/–) 15...Ra7 (15...a4 16.Nd2 Bc8 17.Bd4+=) 16.Re1 (16.Bc3 a4 17.Na5 Qb8+/–) 16...0–0 (16...a4 17.Nd2+=) 17.e4 (17.Bd4 b6+/–) 17...Be6 18.Nd2 (18.Qd3 Ra8+=) 18...Bc4?? (better is 18...Nd7=) 19.Nc4+– 1–0. Hasler,Ulrich – Rotter,W, corr ICCF, 1976.

6.Be2 c5 7.a4 Nbd7 8.d4 e4 9.dc5 dc5=+ 10.Nd2 Qc7 11.Qc2 Bf5 12.Bd1 Bd6 13.g3 Ne5–/+ 14.Ne2 Nd3–+ 15.Kf1 Bh3 16.Kg1–/+ Nb2 17.Qb2 Be5 18.Nc3 Qd7 19.Rc1 Rd8–+ 20.Rc2? Qd3 21.Be2 Bc3 22.Bd3 Bb2 23.Rb2 Rd3 24.Nb1 Rd1# 0–1. Hasler,Ulrich – Rodgard,Bjarne, corr ICCF–WC VIII/IX, 1991.

6.Be2 Nbd7 7.d4 Bf5 8.Nf3 ed4 9.ed4 d5 10.c5 Bg4 11.0–0 Ne4 12.Re1 f5 13.Nbd2 Be7 14.h3 Bf3 15.Bf3 0–0 16.Ne4 de4 17.Qb3 Kh8 18.Be2 a4 19.Qc2 a3 20.Bc3 Rc8 21.Qb3 Ra8 22.Bc4 b6 23.c6 Nb8 24.Rad1 Bh4 25.d5 Ra7 26.Bb4 Be7 27.Bc3 (Better is 27.d6 Bd6 28.Be6+/–) 27...Rf7?? (Better is 27...Bh4=) 28.d6!+– Rf8 (28...Bd6 29.Bf7) 29.de7 Qe7 30.Bb4 Qf6 31.Bf8 Qf8 32.Rd5 g6 (32...Ra5+–) 33.Qc3 Kg8 (33...Qf6 34.Qf6 Kg8 35.Rf5) 34.Rd7 Qf7 35.Bf7 Kf8 36.Qh8# 1–0. Bonetti,Shane – MacChess 5.0, 2000.

6.Be2 Be7 7.d4 ed4 8.Bd4 =.

6.Nf3 b6 7.d4 e4 8.Nfd2 d5 9.cd5 Nd5 10.Ne4 Bf5 11.Nbc3 Bb4 12.a3 Bc3 13.Nc3 0–0 14.Be2 Nc3 15.Bc3 Be4 16.0–0 Qg5 17.Bf3 Bf3 18.Qf3 Nd7 19.a4 Nf6 20.Rac1 Nd5 21.Bd2 Qg6 22.Qd5 h6 1–0. vihavald (1645) – zihnija, kurnik, 2014.

6.Nf3 Nbd7 7.Nc3 Be7 8.Be2 0–0 9.d4 Re8 10.a4 ed4 11.Nd4 Nc5 12.0–0 Nfd7 13.f4 Nb6 14.Ne6 Ne6 15.Rf3 Nc5 16.Nd5 Nd5 17.Qd5 Bf6 18.Bf6 Qf6 19.Ra2 Qc3 20.Qd4 Na4 21.Qd5? Nc5 22.e4 Qb4 23.Bd3 Qe1 24.Bf1 Qe4 25.Qd1 b6 26.Re2 Qf5 27.Rd2 Re4 28.Rd5 Qf6 29.g3 Rae8 30.Kf2 Qb2 31.Rd2 Rd4 32.Rb2 Rd1 33.Be2 Ne4 34.Kg2 Rd2 35.Rd2 Nd2 36.Rf2 Re3 37.Bg4 Nc4 38.Rc2 Re4 39.Kf3 Rd4 40.Re2 Kf8 41.Bd7 g6 42.Re8 Kg7 43.Rc8 a4 44.Rc7 a3 45.Be6 a2 46.Rf7–/+ Kh6 47.Ra7 Rd3 48.Ke2?? Ra3 49.Ra3–/+ Na3 50.Ba2 Nb5 51.Kd3 Kg7 52.Bc4 Nc7 53.Kd4 Kf6 54.g4 h6 55.h3 Ne6 56.Ke4–/+ Nc7 57.Kd4 Ke7 58.h4 Kf6 59.Bd3 Ne6 60.Ke3 d5 61.Bb5 g5 62.fg5 hg5 63.h5 Ke5 64.Bd3 d4 65.Kf3 Nc5 66.Bc4 Ne4 67.h6+= Nf6 68.Bd3 b5 69.h7 Nh7 70.Bh7 b4 71.Bc2 Kd5+/– 72.Bb3 Ke5 73.Bc4 Kd6 74.Ke4 Kc5 75.Bd3?? b3+= 76.Kf5 Kb4 77.Ke5 Kc3 78.Ke4 b2 79.Bb1 Kc4 80.Bc2 Kc5? 81.Bd3+– Kd6 82.Kd4 Ke6 83.Kc3 Ke5 84.Kb2 Kd4 85.Bf5 Ke5 86.Kc3 Kd5 87.Kd3 Ke5 88.Kc4 Kd6 89.Kd4 Ke7 90.Ke5 Kf7 91.Kd6 Kf6 92.Bc8 Kf7 93.Ke5 Ke7 94.Kf5 Kd8 95.Ba6 Ke7 96.Kg5 Kf7 97.Kh6 Kg8 98.g5 Kh8 99.g6 Kg8 100.g7 (100...Kf7 101.Bc4 Ke7 102.g8Q Kd6 103.Qd5 Kc7 104.Qc5 Kd7 105.Kg7 Ke8 106.Qc6 Ke7 107.Qc7 Ke8 108.Bf7#) 1–0. Dumontelle,Joe – Kiviaho, 1979.

6.Nf3 Nbd7 7.Be2 Be7 8.0–0 0–0 9.d4 e4 10.Nfd2 c6 11.Nc3 =.

6.Nf3 Nbd7 7.Be2 Be7 8.0–0 0–0 9.d4 e4 10.Nfd2 d5 11.Nc3 c6 12.a4 Rc8 13.Qb3 c5 (13...Re8!?=) 14.cd5+= Bf5 15.dc5 Nc5 16.Qc2 (16.Qa2 Qc7+=) 16...Nd3 (16...Nd5 17.Rfd1=) 17.Qb3 (better is 17.Bd3!? ed3 18.Qb3+=) 17...Nb2+= 18.Qb2 Bb4 (18...Nd5!? 19.Nd5 Qd5+=) 19.Rac1= Qd6 (19...Bc3 20.Rc3 Rc3 21.Qc3 Nd5 22.Qe5 Ne3 23.fe3 Qd2 24.Qf5 Qe2 25.Qe4=) 20.Rc2 (20.Nc4 Qe7+/–) 20...Rc5 (20...Nd5 A) 21.Nde4? Qg6 22.Bh5 Qh5 23.Nd5 Be4 24.Rc8 Rc8 (24...Qd5?! 25.Rf8 Bf8 26.f3–/+; 24...Bd5?! 25.Rf8 Bf8 26.Qd4–/+) 25.Nb4 ab4–+; B) 21.Nc4 Rc4 22.Bc4 Nc3 23.Rc3 Bc3 24.Qc3=) 21.Na2 (21.Nc4 Qd8 22.d6 Be6+=) 21...Rd5 (21...Rc2 22.Qc2 Bd2 23.Qd2 Qd5 24.Qd5 Nd5 25.Bc4=) 22.Nb4 Qb4 23.Bc4 (better is 23.Qb4 ab4 24.Rb1+=) 23...Rd2? (better is 23...Qb2 24.Rb2 Rc5=) 24.Qb4+– ab4 (better is 24...Rc2 25.Qb3 Rd2+–) 25.Rd2 Rc8 26.Rc1 (26.Rb1 Be6 27.Be6 fe6+–) 26...Kf8 27.Rdc2 Rd8 28.Rb1 Nd5? 29.Bd5 Rd5 30.h3 h5 31.Rb4 Rd1 32.Kh2 h4 33.g4 hg3 34.fg3 Rd3 35.Re2 Ke7 36.g4 Bg6 37.Kg3 Ke6 38.Kf4 f5 39.gf5 Bf5 40.h4 g6 41.Ra2 Rd1 42.a5 Rf1 43.Kg5 Kd6 44.a6 Be6 45.a7 Ba2 46.a8Q Rf5 47.Kg6 Rc5 48.Qd8 Ke5 49.Rd4 Bd5 50.Qf6 1–0. marvis (1650) – ahuramazda, playok.com, 2012.

6.Nf3 Nbd7 7.Be2 Be7 8.0–0 0–0 9.d4 e4 10.Nfd2 d5 11.Nc3 c6 12.cd5 cd5 13.Qb3 Nb6 14.a4 (14.Ba3 Ba3 15.Qa3 Bg4=) 14...Bb4 (14...Rc8 15.Rac1=) 15.Ba3 Qd6 16.Rfc1 Rfc8 17.Bb4 (17.Ra2 Rc7+=) 17...Qb4 (17...ab4 18.Na2 Ra4 19.Rc8 Bc8 20.Rb1+=) 18.Qb4 (better is 18.Rab1!?=) 18...ab4–/+ 19.Nd1 Rc1 20.Rc1 Na4 (20...Ra4 21.Rc7–/+) 21.Ra1 Nb6 22.Ra8 Na8 23.Nb3 b6 24.f3 Nc7 25.fe4 (25.Nf2 ef3 26.gf3 Bd7–/+) 25...Ne4–+ 26.Bf3 (26.Nc1 Bd7–+) 26...Nc3 27.Nf2 N7b5 (27...Bf5 28.g4 Bc2 29.Nc1–+) 28.Nd3 Ne4 (28...g5 29.h3–+) 29.Nb4 Nbc3 30.Kf1 Kf8 31.Ke1 Ke7 32.Nd2 g5 33.Ne4 de4 34.Be2 Kd6 35.Kd2 Ne2–+ 36.Ke2 h5 37.Kf2 f5 38.g3 b5 39.Ke2 Bc4 40.Kd2 Kc7 41.Kc3 ½–½. gtate (1930) – smyslovvchess (2050), net–chess.com, 2004.

6.Nf3 Be7

7.d4 e4 8.Nfd2 c6 9.Nc3 d5 10.Qa4 0–0 11.Ba3 cb5 12.Nb5 Nc6 13.Be7 Qe7 14.a3 dc4 15.Bc4 Bc4 16.Nc4 Nd5 17.0–0 f5 18.Qb3 a4 19.Qa2 Kh8 20.Rac1 Rf6 21.Ne5 Rd8 22.g3 (better is 22.Qb2!?=) 22...Ne5–/+ 23.de5 Qe5 24.Rfd1 Rff8 25.Qc2 Ne3 26.Rd8 Rd8 27.Qc8 Qe8 (27...Rc8 28.Rc8) 28.Qb7 Ng4 29.Qb6 e3 30.fe3 h6 (worse is 30...Ne3 31.Nd6 Rb8 32.Qa7=) 31.e4 Rb8 (31...fe4?! 32.Nd6 Rb8 33.Qa7=) 32.Nd6 Rb6 33.Ne8 fe4 34.Re1 Re6 35.Nc7 Re5 36.h3 Nf6 37.Re3 Rc5 38.Ne6 Rc4 39.Nf4 g5 40.Ng6 Kg7 41.Ne7 h5 42.Nf5 Kg6 43.Nd6 Rc6 44.Nb5 Rc5 45.Nd6 Rd5 46.Nc8 Rd1 47.Kf2 Kf5 48.Ne7 Ke6 49.Nc6 Rc1 50.Nd4 Kd5 51.Nb5 Rc2 52.Ke1 Rb2 53.Nc3–/+ Kd4 54.Na4 Rb1 55.Kf2 Nd5 56.Re1 Rb3?? 57.Re4+/– Ke4 58.Nc5 Kd4 59.Nb3 Kc3 60.Nc5 g4 61.h4 Kc4 62.Ne6 Kb3 63.Ng7 Ka3 64.Nh5 Kb4 65.Nf4 Nf6 66.Ke3 Kc4 67.Ng6 Nh5 68.Kf2 Kd4 69.Nf4 Nf6 ½–½. Pandurevic,Miro – Majeric,Zoran (2335), Velika Gorica, 2002.

7.d4 e4 8.Nfd2 d5 9.cd5 Bd5 10.Nc3 0–0 11.Be2 c6 12.bc6 bc6 13.Qc2 Nbd7 14.Rb1 Rb8 15.0–0 Bd6 16.h3 (worse is 16.Nde4 Ne4 17.Ne4 Bh2 18.Kh2 Qh4 19.Kg1 Qe4 (19...Be4?! 20.Bd3 Bd3 21.Qd3=) 20.Qe4 Be4–/+; 16.Nd5?! cd5 17.Rfc1 Rc8=) 16...h6 (better is 16...Qe7!?=) 17.Nde4+/– Ne4 18.Ne4 Bc7 19.Ba3 Re8 20.Rb8 Be4?? (better is 20...Bb8 21.Bd3 Nb6+–) 21.Rd8 (21.Rd8 Bd8 22.Bd3 Bd3 23.Qd3+–) 1–0. pcmvr (2850) – kode (2100), net–chess.com, 2011.

7.Be2 0–0 8.0–0 Nbd7 9.Qc2 h6 (9...Bg4 10.Nc3=) 10.d4+= e4 (10...c6 11.de5 Ne5 12.Ne5 de5 13.bc6+=) 11.Nfd2 Bf5 (11...c6 12.Ne4 cb5 13.Nf6 Bf6 14.cb5+=) 12.Nc3+/– c6 (12...d5 13.cd5 (worse is 13.Nd5 Nd5 14.cd5 Nf6+=) 13...Nb6 14.Nce4 Ne4 15.Ne4+/–) 13.bc6 bc6 14.Nde4 Ne4 15.Ne4 Bg6 (15...Rb8 16.Bd3+/–) 16.Bd3 (16.f4 f5 17.Ng3 Rb8+/–) 16...Rb8 (16...d5 17.Ng3 Bd3 18.Qd3+/–) 17.Rfb1 c5 (17...d5 18.Ng3 Bd3 19.Qd3+/–) 18.Ng3 (18.Bc3 Qc7+/–) 18...Bd3+/– 19.Qd3 cd4 (19...Qc7 20.Bc3+/–) 20.ed4+– Bf6 (20...Re8 21.Nf5 Bf8 22.Bc3+–) 21.Ba3 Rb1 (21...Nc5 22.dc5 Ba1 23.Ra1 dc5 24.Qc3+–) 22.Rb1 (worse is 22.Qb1 Bd4 23.Bb2 Bf2 24.Kf2 Qb6 25.Kf1 Rb8+=) 22...Nb8 (22...Nb6 23.Nf5 Nc8 24.Qf3+–) 23.Nf5 Nc6 24.Bd6 Re8 25.d5 Ne5 (25...Nb4 26.Bb4 ab4 27.d6+–) 26.Qc2 Nd7 (26...Qa8 27.h3+–) 27.c5 Be5 (27...h5 28.c6 Nb6 29.g3+–) 28.c6 Bd6 (28...Bf6 29.c7 Qa8 30.Bf4 Qd5 31.Nd6+–) 29.Nd6 (29.Nd6 Nf6 30.Ne8 Ne8 31.g3+–; 29.cd7?! Qd7 30.g3 Bb4+/–) 1–0. Prince W – Hovla1, ChessWorld.net, 2015.

7.Be2 0–0 8.0–0 Nbd7 9.d4 e4 10.Ng5 Bf5 11.f3 Bg6 12.Nd2 ef3 13.Bf3 d5 14.Nh3 Bd3 15.Rf2 Bb4 16.Qb3 Bf5 17.cd5 Bd2 18.Rd2 Nb6 19.d6 a4 20.dc7 Qc7 21.Qc3 Qc3 22.Bc3 Bh3 23.gh3 Nbd5 24.Rc1 Rfe8 25.Rd3 Ne4 26.Be1 f5 27.Rc5 Red8 28.Be4 fe4 29.Ra3 b6 30.Rc4 Rf8 31.Bd2 Rf5 32.Raa4 Raf8 33.Rc1 Rg5 34.Kh1 Rf2 35.Bb4 h6 36.Bd6 Ne3 37.Bg3 Rf3 38.Rb4 Rgf5 39.Rbb1 Nd5 40.a4 Ra3 41.Ra1 Rff3 42.h4 Rfc3 43.Rg1 Ra1 44.Ra1 Rc2 45.Kg1 Rd2 46.Be1 Rb2 47.Bg3 Kf7 48.Kf1 Ke6 49.Re1 Kf5 50.Be5 g5 51.hg5 hg5 52.Re2 Rb4 (53.Rf2 Nf4–/+) 0–1. Zylla,Johannes (2135) – Pischner,Rainer (2205), BdF T, 2004.

7.Be2 0–0 8.0–0 h6 9.d4 e4 10.Nfd2 d5 11.Qb3 (11.cd5 Bd5 12.Nc3 Re8+=) 11...c6 (11...a4 12.Qc2=) 12.a4 Nbd7 13.Nc3 Nb6 (13...Rc8 14.Rab1=) 14.Ba3 White prepares c5 (14.c5 Nbd7+=) 14...Ba3 15.Ra3 Qd7 (better is 15...dc4!? 16.Qa2 Qd7=) 16.c5 Nc8 17.bc6 bc6 18.Rb1 Ra7 19.Qb2 Ne7 20.Rb3 Rc8 21.Rb7 Rc7 22.Rc7 Rc7 23.Qb6 Ra7+= 24.Nb3 Nc8 25.Qa7?? Qa7–+ 26.Nd2 g5 27.g3 g4 28.Kg2 h5 29.Rb2 Kg7 30.Bf1 Nd7 31.Be2 Nc5! 32.dc5 Qc5 33.Rb3 Nd6 34.Ndb1 Nf5 Black plans d4 35.Rb7 d4 36.Ne4 Bd5 37.f3 Ne3 38.Kf2 Be4 39.fe4 d3! 40.Bd3 Nc2 41.Ke2 Qe3 42.Kd1 Qd3 43.Nd2 Ne3 44.Ke1 Ng2 45.Kd1 c5 46.Rc7 Ne3 Black prepares the advance c4 47.Ke1 c4 48.Rc5 c3 49.Nb3 Qd1 50.Kf2 Qf3 51.Ke1 c2 52.Kd2–+ Nf1 53.Kc2 Qf2 54.Kc3 Qh2 55.Ra5 Qg3 56.Kc4 Ne3 57.Kb4 Qe1 58.Ka3 Nc2 59.Kb2–+ Nb4 60.Rb5 Qe4 61.a5 Nd3 62.Kc3 Ne5 63.Rc5 g3 64.a6 Nd7 65.Rc4 Qe3 66.Kb4 g2 67.a7 Qa7 68.Rc5 Qc5! 69.Nc5 Nc5 70.Kc5 g1Q (70...g1Q 71.Kc4 h4 72.Kd3 h3 73.Ke2 h2 74.Kd3 Qc5 75.Ke2 h1Q 76.Kd2 Qd4 77.Ke2 Qhd1) 0–1. carocan (1805) – feniksi (1660), kurnik, 2011.

5.c4 Be7

6.a4 0–0=+ 7.d4 ed4 8.Bd4 d5 9.Nf3 c6 (9...Bb4 10.Bc3=) 10.Nbd2 Bf5 (10...Bg4 11.h3 Be6 12.Qc2=) 11.cd5 cd5 (11...c5 12.Be5=) 12.Nh4 Bg4 (12...Be6 13.Bd3+=) 13.Be2 Be2 14.Qe2 Nbd7 (14...Qd7 15.0–0+=) 15.Nf5 Bb4 16.0–0 Rc8 17.Nb3 (17.Rac1 Qe8+=) 17...Bc3 (17...Qe8!?+=) 18.Rfc1+/– (18...Bb4 19.Rc8 Qc8 20.Na5+/–) 1–0. marekt – super_grandmaster_clive, ChessWorld.net, 2004.

6.a4 0–0=+ 7.Nf3 c6 8.d4 cb5 9.ab5= e4 10.Nfd2 Bg4 11.Be2 Be2= 12.Qe2 Qd7 13.Nc3 Qf5 14.0–0 Nbd7 15.Ra2 Rfc8 16.Rfa1 Bd8 17.Nb3 b6 18.d5 Ng4 19.Nd4 Qg6 20.Nc6 Bh4 21.Na4 Bf2= 22.Qf2 Rc6=+ 23.dc6 Nf2 24.cd7 Ng4 25.Bd4 Rd8 26.Nb6 +=. Lea,Per – Jernberg,Karl Petter, corr, 1976.

6.a4 0–0=+ 7.Nf3 e4 8.Nd4 =+.

6.a4 0–0 7.Nf3 Bg4 8.Be2 Nbd7 9.0–0 c6 10.d4 ed4 11.Nd4 Be2 12.Qe2 Rc8 13.Nf5 Re8 14.Rd1 Qc7 15.Ne7 (15.Ba3 c5+=) 15...Re7= 16.Bf6 Nf6 17.Qd3 d5 18.Nd2 dc4 19.Qc4 cb5 20.Qc7 (20.Qb5 Re5 21.Qb2 Rc5=) 20...Rec7+= 21.ab5 b6 22.Nf3 Ne4 23.Nd4 Kf8 24.f3 Nc5 25.Nc6 Nb7 26.Rd4 Nc5 27.Rad1 f6 28.Rd8 Kf7 29.Rc8 Rc8 30.e4 a4 31.Kf2 Ra8 32.Ke3 a3 33.Ra1 Nb3 34.Ra2 Ra4 35.f4 Ke6 36.f5 Kd6–+ 37.g4 Kc5 38.Nd8 Kb5 39.Ne6 Nc1 40.Ra1+= Nb3 41.Ra2 Kc4 42.Ng7 Kc3 43.Ne8 Nc1 44.Ra3 Ra3 45.Nf6 Kc2 46.Kf4 Ne2 47.Kg5–/+ Kd3 48.e5+= Ke3 49.e6+/– Ra8 50.e7 b5 51.e8Q Re8+/– 52.Ne8 b4 53.f6 b3 54.f7 b2 55.f8Q (55.f8Q b1Q 56.Qf5+/–) 1–0. ludice (1700) – theantropos (1785), kurnik, 2011. (=1.e3 Nf6 2.b4 e5 3.Bb2 d6 4.c4 a5 5.b5 Be7)

6.Nc3 0–0 7.Nf3 Nbd7 8.d4 ed4 9.Nd4 Nc5 10.Bd3 Ne6 (10...a4!?=) 11.0–0+= Nd4 12.ed4 d5 13.cd5 Bg4 (13...Nd5!? 14.Bh7 Kh7 15.Qh5 Kg8 16.Nd5 Bd6+=) 14.Qb3 Bd6 15.f3 Bh5 16.Rae1 Bg6 17.Bc4 Nh5 (17...Re8!?+=) 18.Ne4+– Be4? (better is 18...Re8 19.b6 Qh4 20.Nd6 cd6+–) 19.fe4 (19.Re4?! f5 20.Re5 Qg5+/–) 19...Qh4 (19...Bf4 20.Qf3 Qh4 21.g3+–) 20.e5 Bb4 21.Re2 Nf4 (21...Kh8 22.b6! cb6 23.Ref2+–) 22.Re4 g5 23.Qc2 (23.Qf3 Qh6 24.g3 f5 25.ef6 Bd6+–) 23...Qg4 (23...Qh6 24.Bc1+–) 24.a3 Be7 25.Bc1 Nh3 (25...Qd7 26.Bf4 gf4 27.Ref4+–) 26.Kh1 Nf4 27.g3 1–0. pcmvr (2765) – lovecraft (2240), net–chess.com, 2014.

6.d4 ed4 7.ed4 0–0 8.Bd3 Re8 9.Ne2 Bg4 10.0–0 Nbd7 11.Re1 c6 12.a4 Bf8 13.Qc2 h6 14.h3 Be6 15.Nf4 d5 16.c5 cb5 17.ab5 Qc7 18.Ne6 Re6 19.Nd2 Rae8 20.Nf3 Qf4 21.Re6 Re6 22.Ra5 Ne4 23.Ra7 g5 24.Rb7 g4 25.hg4 Qg4 26.Rd7 Rg6 27.Bf1 Qd7 28.Ne5 Rg2 29.Bg2 Qb5 30.Be4 de4 31.c6 Qb8 32.d5 Bd6 33.Nd7 Qd8 34.Qe4 Qg5 35.Qg2 Kh7 36.Qg5 hg5 37.Bd4 Kg6 38.Bb6 Kf5 39.c7 Bc7 40.Bc7 Ke4 41.d6 Kd5 42.Nf6 Kc6 43.Kg2 1–0. kaasparov – kwa123, kurnik, 2014.

6.d4 ed4 7.ed4 0–0=+ 8.Nf3 d5 9.c5 c6 10.a4 b6=+ 11.cb6 Bb4 12.Nbd2 Bg4 13.Be2 Bf3 14.Bf3 Re8 15.Kf1 Qb6 16.Be2 Nbd7 17.g3 c5 18.dc5 Bc5 19.Kg2 Bf2 20.Rf1 Bd4 21.Bd4 Qd4 22.Nf3 Qb2 23.Re1 Rac8 24.Rb1 Qa3 25.Ra1 Qc3 26.Qd3 Qc7 27.Qd2 Nc5 28.Rac1 Qb6 29.Bd1 Nfe4 30.Qd4 Qd6 31.Bc2 f5 32.Red1 Nf6 33.Bf5= Nb3 34.Rc8 Nd4 35.Re8 Ne8 36.Nd4 Nf6 0–1. Endean,Andrew (1665) – Amir,Jacob, IECG, 2004.

6.d4 ed4 7.Bd4= 0–0 8.Nc3 c5=+ 9.bc6 Nc6 10.Be2 d5 11.Nf3 dc4 12.Bc4 Bg4 13.0–0 Nd4–/+ 14.Qd4 Bf3 15.gf3 Qd4 16.ed4 Rfc8 17.Nd5 Rc4 18.Ne7 Kf8 19.Nf5 g6 20.Nd6 Rd4 21.Nb7 Rd3 22.Kg2 Rd2 23.Rfd1 Rc2 24.a4 Ra7 25.Rd8 Kg7 26.Nd6 Nh5 27.Rb8 Nf4 28.Kg3 Nh5 29.Kg2 Rd7 30.Rd1 Re7 31.Ra8 Nf4 32.Kg3=+ Nh5 33.Kg2–/+ Ree2 34.Rf1 Rcd2 35.Nb5 Re5 36.Ra5 Rg5 37.Kh1 Nf4 38.Ra8 Nh3–+ (39.Rd8 Rd8–+) 0–1. Bendig,Frank – Knobloch, corr, 1990.

6.d4 ed4 7.Bd4 Nbd7 =.

6.d4 Nbd7 7.Nf3 =.

6.Ne2 0–0 7.Ng3 Be6 8.Bd3 c6 9.a4 Nbd7 10.Qe2 Nc5 11.Bc2 Qd7 12.h3 e4 13.Nc3 d5 14.cd5 cd5 15.Nd1 Rac8 16.Rc1 Rfd8 17.0–0 h6 18.f3 ef3 19.Rf3 Nfe4 20.Ne4 Ne4 21.Bd4 Ba3 22.Nb2 Qd6 23.Qd3 Qb4 24.Bc3 Rc3 25.dc3 Qb2 26.Rb1 Qc3 27.Qc3 Nc3 28.Rb3 Bb4 29.e4 Ne4 0–1. sacaniev – theantropos (1875), kurnik, 2013.

6.Ne2 Bg4 7.f3 Bc8 8.g3 b6 9.Bg2= Bb7 10.0–0 Nbd7 11.d4 0–0 12.d5 Nc5 13.a4 Rb8 14.Qc2 Bc8 15.Nd2 Ne8 16.f4+= Bf6 17.fe5 de5 18.Ne4 Ne4 19.Be4 g6 20.Ba3 Be7 21.c5 Bh3 22.Rf2 bc5 23.Bc5 Bd6 24.Rd1 f5 25.Bg2 Bg2= 26.Kg2 Nf6 27.Bd6 Qd6 28.h3 e4 29.Nf4 Rf7 30.Qc4 Rd8 31.Ne6 Rdd7 32.Rfd2 Nh5 33.Nf4 Ng3 34.Kg3 g5 35.Rf2 Rg7 36.Kh2 gf4 37.ef4 Qg6 38.Qf1 Qg3–/+ 39.Kh1 Kf8 40.Qg2 Qb3 41.Qf1 Rd5 42.Rfd2 Rd2 43.Rd2 Ke7 44.Kh2 Qg3 45.Kh1 Rg6 46.Rc2 Rh6 47.Rh2 Rh4 48.Qc1 Qf4 49.Qc5–/+ Qd6 50.Qf5 Qd1 51.Kg2 Qf3 52.Qf3 ef3 53.Kf3 Ra4 54.Rc2 Kd7 55.Rc6 Rb4 (56.Rh6 Rb5 57.Rh7 Kc6–+) 0–1. Sulak,Edward – Raduj,Jozef, corr Tch19–Poland, 1992.

6.Nf3 a4 7.a3 c6 8.Nc3 0–0 9.Na4 cb5 10.cb5 e4 11.Nc3?? (better is 11.Nd4+=) 11...ef3–+ 12.gf3 d5 13.Bd3 d4 14.Ne2 de3 15.de3 Qa5 16.Bc3 Qb6 17.a4 Nbd7 18.Rg1 Nc5 19.Bb1 (19.a5 Qc7 20.Rg2 Rd8–+) 19...Be6 (better is 19...Rd8!? 20.Nd4 Qc7 21.f4–+) 20.Qc2 g6 21.Nd4 Rac8 22.a5 Qd6 23.h4 Nd5 24.h5 Nc3 25.hg6 Nb1 26.gf7 Kf7 27.Qh7 Ke8 28.Rg6 Nc3 29.Rc1 Nd3 30.Kd2 Nc1 31.Re6 Qc5 32.Nf5 Rf5 33.Re7 Qe7 34.Qf5 Qd7 (34...Qd7 35.Qd7 Kd7 36.Kc1 Nb5 37.Kd2 Ra8–+; 34...Qd6 35.Kc2 Qd1 36.Kb2 Na4 37.Ka1 Nd3 38.Ka2 Nc3 39.Ka3 Qa4#) 0–1. lendzior (1660) – komogllave (1840), kurnik, 2012.

6.Nf3 b6 7.Be2 Bb7 8.d3 Nbd7 9.Nbd2 0–0 10.0–0 e4 11.de4 Ne4 12.Ne4 Be4 13.Qd4 Bf6 14.Qe4 Bb2 15.Rab1 Be5 16.Ne5 Ne5 17.Rfd1 Qf6 18.f4 Nd7 19.Bf3 Rae8 20.Qd3 (20.Qc6!? Qe7 21.Qc7 Qe3 22.Kh1=) 20...Nc5= 21.Qd4 Qd4 (21...Qe6!? 22.Re1 Ne4=) 22.ed4+= (worse is 22.Rd4 Re3 23.f5 Rfe8–/+) 22...Na4? (22...Ne4 23.Rb3+=) 23.Re1?? (better is 23.Rd3+–) 23...Nc3= 24.Rbc1 Na2+= 25.Re8 Re8 26.Rc2 Nb4 27.Rd2 Re1 28.Kf2 Rc1 29.Re2 g6 30.Re7 a4 31.Rc7 a3 32.Ra7 a2 33.Bd5 Nd5 34.Ra2 Nf4 35.Kg3 Ne6 36.c5 bc5 37.dc5 Nc5 38.b6 Rb1 39.b7 Rb7 40.Rd2 Ne4 (40...Ne4 41.Kf4 Nd2–+) 0–1. ourang – dimadodo, kurnik, 2013.

6.Nf3 c6 7.a4 0–0 8.Be2 Bg4 9.0–0 Bf3 10.Bf3 e4 11.Be2 d5 12.d3 cb5 13.ab5 b6 (better is 13...dc4!? 14.de4 Qd1 15.Rd1 Ne4 16.Bc4 a4+=) 14.cd5 Qd5 15.de4 Qd1 16.Rd1 Ne4 17.Bf3 f5 18.Nd2 Ra7 19.Ne4 fe4 20.Be4 Bc5 21.Rd3 Nd7 22.Rad1 Nf6 23.Bf6 gf6 24.Rd7 Rd7 25.Rd7 f5 26.Bd5 Kh8 27.h4 f4 28.e4 f3 29.g3 a4 30.h5 a3 31.Ra7 h6 32.e5 Rf5 33.Ra8 Kg7 34.Rg8 Kh7 35.Rd8 Rh5 36.e6? Kg7 37.Rd7= Kf8 38.Rf7 Ke8 39.Bc6 Kd8 40.Rf3 Rg5 41.Kg2 Ke7 42.Bd7?? h5 43.Kh3?? Re5 44.Rf7+= Kd6 45.Rf8 Re2 46.f4 a2 47.Ra8 Bd4 48.Bc6 a1Q (48...a1Q 49.Ra1 Ba1–+) 0–1. typ48 – canii, playok.com, 2012.

6.Nf3 c6 7.a4 Bg4 8.Be2 0–0 9.0–0 Nbd7 10.h3 Be6 11.d4 e4 12.Ng5 d5 13.Ne6 fe6 14.Bg4 Ng4 15.Qg4 Rf6 16.f3 Rg6 17.Qf4 Bg5 18.Qh2 Be3 19.Kh1 Nf6 20.g4 dc4 21.fe4 Ne4 22.Nc3 Nc3 23.Bc3 Bd4 24.Rad1 Qd5 25.Qg2 Qg2 26.Kg2 Bc3 27.bc6 bc6 28.Rd7 c5 29.Rc1 Bd4 30.Rc4 h5 31.Kg3 hg4 32.hg4 e5 0–1. kaasparov – jureczek54, kurnik, 2013.

6.Nf3 Nbd7 7.d4 ed4 8.Nd4 Nc5 9.Nd2 0–0 10.Qc2 Ng4 11.Be2 Ne5 12.0–0 f5 13.f4 Ng6 14.Bd3 Nd3 15.Qd3 Bf6 16.a4 Qe7 17.Rae1 Bd7 18.Ba3 Rae8 19.Nf5 Bf5 20.Qf5 Bd4?? (better is 20...Nf4 21.Rf4 Be5+=) 21.Qd5+– Kh8 22.Qd4 (22.ed4?! Qe1 23.Re1 Re1 24.Kf2 Nf4 25.Ke1 Nd5 26.cd5 Rf5+/–) 1–0. carocan (1720) – biring, kurnik, 2012.

6.Nf3 Nbd7 7.Be2 0–0 8.0–0 c6 9.a4 d5 10.d4 e4 11.Nfd2 cb5 12.ab5 dc4 13.Bc4 Nb6 14.Be2 Be6 15.Nc3 Rc8 16.Nce4 Ne4 17.Ne4 Re8 18.Ba3 Ba3 19.Ra3 a4 20.Nc5 Qe7 21.Qa1 Rc5 22.dc5 Qc5 23.Rc1 Qb4 24.Qc3 Qc3 25.Rac3 Rd8 26.Bf3 Nd5 27.Bd5 Bd5 28.Rc8 Rf8 29.Rf8 Kf8 30.f3 a3 31.e4 Be6 32.Kf2 a2 33.Ke3 Ke7 34.Kd4 Kd6 35.e5 Kd7 36.Kc5 g6 37.Kb6 Bd5 38.Rd1 Ke6 39.f4 Bg2 40.Ka5 Be4 41.Kb4 Bb1 42.Rd6 Ke7 43.Rb6 a1Q 44.Rb7 Ke6 45.Rb6 Ke7 46.Rb7 Kf8 47.Kc5 Qc3 48.Kb6 Qd4 49.Kc7 Qf4 50.Rb8 Kg7 51.Kd6 Qd4 52.Kc6 Be4 0–1. beciab70 – drevorubec (1605), kurnik, 2014.

6.Nf3 Bf5 7.Be2 =.

6.Nf3 0–0

7.a4 e4 8.Nd4 +=.

7.a4 Be6 8.d4 ed4 9.Nd4 Bg4 10.Qc2 h6 11.Bd3 c5 12.bc6 (12.Nf5!?+=) 12...Nc6= 13.Nc6 bc6 14.0–0 Rb8 15.Nd2 d5 16.Rab1 Rb4 17.Bc3 Rb1 18.Rb1 Qd7 (18...Re8!?+=) 19.Ba5+/– dc4 20.Bc4 Bf5 21.Qb2?? (better is 21.e4 Ra8 22.Bc3+/–) 21...Bb1+= 22.Qb1 Bd8 (22...Ra8 23.Nb3–/+) 23.Bb4 Be7 24.Bc3 (24.Ba5 Ra8 25.Nb3 Qd6–/+) 24...c5 25.h3? (25.Qb3 Qf5=) 25...Nd5 (25...Qa4 26.Bb3 Qh4 27.Nf3–/+) 26.Be5 (better is 26.Qd3 Rd8 27.Ne4+=) 26...Nb4?? (better is 26...Ne3!? 27.Qg6 Nf5–/+) 27.Nf3 (27.Qg6 Qg4 28.hg4 Bf6 29.Bf6 Rd8 30.Qg7) 27...Qa4?? (better is 27...Ra8=) 28.Qb2 Qc2 29.Bg7 Rd8?? 30.Bb3?? Qb2 31.Bb2–/+ Nd3 32.Bc3 Rc8 33.Bc4 Nc1 34.Bb2 Rd8 35.Ne5 Rd1 36.Kh2 Bd6 37.f4 Be5–/+ 38.Be5 Rd2 39.e4 Ne2 40.f5 Nd4 0–1. barborski – bojleryipiece, playok.com, 2012.

7.Qc2 c6 8.Nc3 h6 (8...Bg4 9.Be2=) 9.Be2 cb5 10.Nb5 Bd7 11.0–0 Na6 12.Nc3 Rc8 13.d3 b5 (13...Bf5 14.Rab1=) 14.cb5+= Bb5 15.a3 (15.Qd2 Bc6+=) 15...Nd5 16.Rab1 Nac7 17.Nd5 Nd5 18.Qd2 a4 19.e4 (19.Be5 de5 20.Rb5 e4+=) 19...Nf4= 20.Be5 Ne2 21.Qe2 Bd3 22.Qd3 de5 23.Qb5 Qe8 24.Qe5 ½–½. pcmvr – gambito (2645), net–chess.com, 2010.

7.Nc3 Bf5 =+.

7.d4 c6 8.Nbd2 (8.de5 de5 9.Qd8 Rd8 10.Be5 Bb4 11.Bc3 Ne4 12.Bb4 ab4+=) 8...cb5 (8...e4 9.Ng1+=) 9.cb5 (9.de5!? de5 10.Ne5 bc4 11.Bc4=) 9...e4+= 10.Ng1 d5 11.a4 b6 12.Ne2 Nbd7 13.Nc3 Ne8?? (13...Ra7 14.Rc1=) 14.Be2?? (better is 14.Nd5 Bd6 15.Ne4+–) 14...Bb7 15.Qb3 Nc7 16.0–0 Kh8 17.f3 f5 18.fe4 fe4 19.Rf8 Nf8 20.Rf1 Ng6 21.Bh5 Bg5 22.Ne2 Be3?? (better is 22...Ne7+=) 23.Qe3+– Qe7 1–0. barborski – pim66, kurnik, 2012.

7.d4 Nbd7 8.de5 de5 9.Ne5 Ne5 10.Qd8 (10.Be5? Qd1 11.Kd1 Ng4–+) 10...Rd8 11.Be5 Ng4 12.Bc7 (12.Bc3=) 12...Bb4 (better is 12...Rd7!? 13.Ba5 Ra5–+) 13.Ke2+/– Rd7 (13...Rd1 14.Kd1 Nf2 15.Ke2 Nh1 16.Kf3+/–) 14.Bf4 (14.Bg3 Nf6+–) 14...Nf6 (14...Rd1!?+/–) 15.a3+– Bc5 16.Nc3 Re7 17.Rd1 (better is 17.Nd5!? Nd5 18.cd5+–) 17...Bg4 18.f3 Nh5? (better is 18...Be6 19.Na4 Ba3+/–) 19.Bg5+– (19.fg4?! Nf4 20.Kf2 Rae8+= (20...Re3 21.Na4 Rd3 22.Nc5 Rd1 23.Nb7=)) 19...f6 20.fg4 fg5 21.Nd5 Nf4+= 22.Nf4 Re3+= 23.Kd2 gf4 24.Bd3 Rd8 25.Kc2+= Ba3? 26.Rhe1?? Re1 27.Re1 Bb4 28.Re4 Rf8 29.Be2 g5 30.Bf3 Rd8 31.Re2 b6= 32.Bd5 Kg7 33.Re6 Bc5 34.Kb3 Rf8 35.h3 Rf6 36.Re8 Rd6 37.Re7 Kf6 38.Rh7+= Ke5 39.Re7 Kd4 40.Kc2?? Rd5–+ 41.cd5 Be7 0–1. ognos (1690) – savuflorin1983 (1710), kurnik, 2012.

7.d4 e4 8.Nfd2 c6 9.a4 d5 10.Nc3 Ne8 11.Qb3 Be6 12.Ba3 f5 13.g3 Kh8 14.Be7 Qe7 15.h4 dc4= 16.Bc4 Bc4 17.Nc4 Nd7 18.0–0–0 Nef6=+ 19.Kb1 Nd5–/+ 20.Nd5 cd5 21.Ne5 Ne5 22.de5=+ Rad8 23.Rd4 Qe5 24.Rhd1 Qe7 25.Rd5 Rd5 26.Rd5 Rd8 27.Qa3 (27.Rd8 Qd8 28.Qc4 h5=) ½–½. Larsen,Jim – Aagaard,Michael, DEN–chJ int, 1980.

7.Be2 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 a5 7.b5).

7.d4 ed4

8.ed4 d5 A) 9.Be2 dc4 (9...Bb4 10.Nc3 Ne4 11.Rc1 Be6 12.cd5 Bc3 13.Bc3 Bd5 ) 10.0–0 Nbd7 11.Nbd2 c3 12.Bc3 Nd5 13.Bb2 Re8; B) 9.Bd3 Bb4 (9...dc4 10.Bc4 Nbd7 11.0–0 Nb6 12.Bd3 a4 13.Nc3 a3) 10.Nc3 Re8 11.Kf1 Bg4 12.Qb3 Bc3 13.Bc3 Nbd7; C) 9.Nc3 Re8 (9...a4 10.Bd3 a3 11.Bc1 dc4 12.Bc4 Bb4 13.Qb3 Qe7) 10.Be2 dc4 11.0–0 Be6 12.Ne5 c5 13.dc5 Nbd7; D) 9.c5+= b6 (9...Re8 10.Be2 b6 11.cb6 cb6 12.0–0 Nbd7 13.Nc3 Bd6) 10.cb6 cb6 11.Be2 Bf5 12.0–0 Qc7 13.Nc3 Nbd7.

8.ed4 Nbd7 A) 9.Nc3 Re8 (9...d5 10.c5 a4 11.Be2 Ne4 12.Nd5 Ndf6 13.Ne7 Qe7) 10.Bd3 Bf8 11.Ne2 d5 12.0–0 dc4 13.Bc4 Nb6; B) 9.Be2 d5 (9...Nb6 10.Nbd2 Bf5 11.0–0 Re8 12.Re1 Qd7 13.Nh4 Be6 ) 10.0–0 dc4 11.Bc4 Nb6 12.Bd3 a4 13.Nc3 a3; C) 9.Bd3 d5 (9...Nb6 10.Nbd2 Be6 11.d5 Bg4 12.h3 Bh5 13.0–0 Nbd7) 10.Nbd2 dc4 11.Nc4 Bb4 12.Kf1 Nd5 13.g3 N7b6.

8.ed4 Re8 9.Be2= (9.Bd3 Bf8 (9...d5 10.0–0 dc4 11.Bc4 Nd5 12.Ne5 Be6 13.Qf3 Nd7) 10.Be2 Nbd7 11.0–0 Ne4 12.Nc3 Ndf6 13.Qc2 Nc3; 9.Nc3 d5 (9...Nbd7 10.Bd3 Bf8 11.Ne2 Nb6 12.d5 Nbd7 13.0–0 Nc5) 10.Be2 dc4 11.0–0 Be6 12.Ne5 c5 13.dc5 Nbd7) 9...Nbd7 (9...Bf5 10.0–0= (10.Nc3 Nbd7 11.0–0 d5 12.c5 c6 13.Re1 Ne4) 10...d5 11.Nc3 Nbd7 12.c5 c6 13.Re1 Ne4; 9...Be6 10.0–0 d5 11.Nbd2 Nbd7 12.Qc2 dc4 13.Nc4 Nd5) 10.0–0 Nf8 (10...Nb6 11.Nbd2 Bf5 12.Re1 Nh5 13.g3 Bf6) 11.Re1 (11.Nc3 Ng6 12.Qd2 Bf5 13.Rae1 Qd7) 11...Ng6 (11...Ne6 12.g3 Qd7 13.Nc3 b6) 12.g3 (12.Nc3 Nf4= 13.Bf1 Qd7) 12...Bg4 (12...d5 13.Nc3 Bb4) 13.Nbd2 (13.Nc3 Qd7) 13...Qd7 (13...d5=) 14.Nf1 Bf8 (14...d5 15.Ne3=) 15.Ne3+= Bh5 16.Bf1 (16.d5 Be7+=) 16...Ne4 (16...d5 17.c5=) 17.h3 f5 18.Nd5 (better is 18.Bg2!?=) 18...Ng5 19.g4 Re1 20.Ne1 fg4 21.Ne3 (21.Bc1 Qf5 22.hg4 Bg4+=) 21...Nf3 22.Nf3 gf3 23.d5 (23.Nd5 Qf5–/+) 23...Nf4 24.Kh2 Qf7 (24...Be7 25.Qc2 Bg5 26.Qf5–+) 25.Qd4 (25.Ng4!?–/+) 25...Re8–+ 26.Re1 b6 (better is 26...Ne2!? 27.Be2 fe2–+) 27.Ng4+= Bg4 (27...Qf5 28.Re8 Be8 29.Qe3+=) 28.Re8 Qe8 29.Qf4 Bh5 (29...Qe1 30.Bd4 Bd7 31.Bd3=) 30.Bd3 Qe1 31.Bd4 Be7 32.Qg3 (32.Qf5 Bf6 33.Qh7 Kf8 34.Qh8 Ke7 35.Bf6 gf6 36.Qg7 Bf7=) 32...g5+= 33.Bf5 h6 34.Be6 Kf8 35.Bg4 Bg4 36.Qg4 Qd1 37.Qc8 Kf7= 38.Qe6 Kf8 39.Qh6+– Ke8 40.Qg6 Kd8 41.Qg8 Kd7 42.Qe6 Kd8 43.Bf6 Bf6 44.Qf6 Kc8 45.Qg5 Qe2 46.Kg3 Qa2 47.h4 Qb1 48.Qg4 Kb7 49.h5 a4 50.Qg6?? Qh1?? 51.Qc2+= a3 52.Qa2 Qg2 53.Kf4= Qh2 54.Kf3 Qh5 55.Ke3 Qg5 56.Kd3 Qf6 57.f4 Qf4 58.Kc3 ½–½. Honores,J – Harter,Jorge, PER–ch, 1993.

8.ed4 Bf5 A) 9.Nc3 Re8 (9...d5 10.Bd3 Bd3 11.Qd3 Qd6 12.cd5 Nbd7 13.0–0 Nd5 ) 10.Be2 Nbd7 11.0–0 d5 12.c5 c6 13.Re1 Ne4; B) 9.Be2 Nbd7 (9...d5 10.Nc3 dc4 11.Bc4 Nbd7 12.0–0 Nb6 13.Bd3 Qd7) 10.0–0 Ne4 11.Nc3 Ndf6 12.Bd3 Nc3 13.Bc3 Bd3; C) 9.Bd3 Bd3 (9...Qc8 10.0–0 Bd3 11.Qd3 Qg4 12.Nc3 Nbd7 13.Rae1 Rfe8) 10.Qd3 d5 11.c5 Nbd7 12.0–0 Ne4 13.Nc3 Ndf6.

8.Qd4 A) 8...Bf5 A1) 9.Be2 a4 (9...Nbd7 10.Nc3 a4 11.Nd5 h6 12.0–0 Nc5 13.Rac1 Qd7) 10.Nc3 a3 11.Bc1 Nbd7 12.Qf4 Be6 13.Nd4 Ne5; A2) 9.Nh4 Be6 (9...Bg4 10.Nc3 Nbd7 11.h3 Be6 12.Be2 Ne5 13.Nf3 Nfd7) 10.Nc3 Nbd7 11.Be2 a4 12.0–0 a3 13.Bc1 Nc5; A3) 9.Nc3 Nbd7 (9...a4 10.Nd5 Nbd7 11.Be2 h6 12.0–0 Nc5 13.Rac1 Qd7) 10.Be2 Nc5 11.0–0 h6 12.Nd5 a4 13.Rac1 Ne6; B) 8...Bg4 B1) 9.Nc3 Nbd7 (9...h6 10.Be2 Nbd7 11.h3 Be6 12.0–0 Nc5 13.Rad1 Bf5) 10.Be2 Nc5 11.0–0 h6 12.Nd5 Ne6 13.Qd1 Nc5; B2) 9.Bd3 Nbd7 (9...Bf3 10.gf3 Nbd7 11.Nc3 Ne5 12.Be2 a4 13.f4 a3) 10.Nbd2 Nc5 11.h3 Bh5 12.0–0 Qd7 13.Ng5 Nd3; B3) 9.Be2 Nbd7 (9...a4 10.0–0 Nbd7 11.h3 Bf5 12.Qf4 Bg6 13.Bd4 Nc5) 10.Nc3 Ne5 11.Ne5 de5 12.Qe5 Re8 13.Rd1 Bd6; C) 8...h6 C1) 9.Bd3 Nbd7 (9...c5 10.Qc3 Nbd7 11.Nbd2 Nb6 12.Qc2 Be6 13.0–0 Qc7) 10.0–0 Nc5 11.Nc3 Ne6 12.Qh4 Nc5 13.Qd4 Bg4; C2) 9.Be2 a4 (9...Nbd7 10.Nc3 Nc5 11.0–0 Bf5 12.Nd5 a4 13.Rac1 Qd7) 10.Nbd2 Nbd7 11.Ne4 a3 12.Bc3 Nc5 13.Nc5 dc5; C3) 9.Nc3 Nbd7 (9...Bf5 10.Be2 Nbd7 11.0–0 Nc5 12.Nd5 a4 13.Rac1 Qd7) 10.Be2 Nc5 11.0–0 Bf5 12.Nd5 a4 13.Rac1 Qd7; D) 8...Nbd7 D1) 9.Be2 a4 (9...Nc5 10.Nc3 Be6 11.0–0 Ng4 12.h3 Bf6 13.Qd2 Ne5) 10.0–0 Nc5 11.Nbd2 Bf5 12.Qf4 Qd7 13.Nd4 Bg6; D2) 9.Bd3 Nc5 (9...Ne5 10.Nc3 Bh3 11.Ne5 de5 12.Bh7 Kh7 13.Qd8 Rfd8) 10.0–0 Nd3 11.Qd3 d5 12.Nc3 dc4 13.Qc4 Be6; D3) 9.Nc3 Nc5 (9...h6 10.Be2 Nc5 11.0–0 Bf5 12.Nd5 Qd7 13.Nh4 Be4) 10.Be2 Bf5 11.0–0 Ne6 12.Qd1 a4 13.Na4 h5.

8.Bd4 c5 9.Bb2 Nbd7 (9...Be6 10.Bd3 Nbd7 11.0–0 Qc7 12.Ng5 Ne5 13.Be5 de5) 10.Be2 Qc7 11.0–0 Ne5 12.Nc3 Be6 13.Nd5 Nd5.

8.Bd4 c5 9.Bb2 Be6 10.Nc3 Nbd7 11.a3 Ne5 12.Be2 Nc4 13.Bc4 Bc4 14.Qc2 d5 15.Ne5 Qc7 16.Nc4 dc4 17.0–0! Bd6 18.g3 b6 19.Rad1 Rad8 20.Qf5 Qe7 21.Na4 Bc7 22.Bf6 Qf6 23.Qf6 gf6 24.Nc3 Rd3 25.Ne4 Be5 26.Nd2 c3 27.Nc4 Rd1 28.Rd1 Rb8 29.Rc1 Kf8 30.Ne5 fe5 31.Rc3 Rd8 32.Kg2 Ke7 33.Kf3 Ke6 34.Ke4 f5 35.Kf3 Rd2 36.h4 e4 37.Kg2 Kd5 38.g4 fg4 39.Kg3 c4 40.Kg4 Rf2 41.h5 h6 42.Rc1 Rf3 43.Rc3 Kc5 44.a4 Kb4 45.Rc1 Re3 46.Kf4 Rh3 47.Ra1 c3 48.Ke4 c2 49.Kf5 Rg3 50.Rc1 Kc3 51.Kf4 Rg8 52.Kf5 Kb2 53.Re1 c1R 54.Re6 Rc5 55.Kf6 Rh5 56.Kf7 Rb8 57.Re3 Rh4 58.Kg6 Ra4 59.Kh6 Rb4 60.Re5 a4 61.Kg5 a3 62.Kf6 a2 63.Re2 Kb3 64.Re3 1–0. vihavald (1610) – newbie0088, kurnik, 2013.

8.Bd4 c5 9.Bc3 d5 (9...Bf5 10.Bd3 Bg6 11.0–0 Nbd7 12.Bg6 hg6 13.Nbd2 d5) 10.Qc2 Re8 11.Be2 Ne4 12.0–0 Bf5 13.Bd3 Nd7.

8.Bd4 c5 9.bc6 Nc6 (9...bc6 10.Bd3 c5 11.Bb2 Nc6 12.Nc3 Rb8 13.Rb1 Ne5) 10.Nc3 d5 11.cd5 Nd5 12.Bc4 Be6 13.Bd5 Bd5.

8.Bd4 d5= A) 9.cd5 Nd5 (9...Bf5 10.Bc4 Bb4 11.Nbd2 Nd5 12.0–0 c5 13.Bb2 Nb6) 10.Nc3 Bb4 11.Qd2 c5 12.Be5 Nc3 13.Bc3 Bf5; B) 9.Nbd2 Nbd7 (9...Be6 10.Bd3 Nbd7 11.cd5 Nd5 12.0–0 Nb4 13.Bc4 Nc5) 10.cd5 Nd5 11.e4 Nf4 12.Be3 Ne6 13.Bc4 Nf6; C) 9.Nc3 c5 (9...Bb4 10.a3 Bc3 11.Bc3 Be6 12.cd5 Bd5 13.Bd3 Nbd7) 10.Be5 Be6 11.cd5 Nd5 12.Nd5 Bd5 13.Qc2 Nd7.

8.Bd4 Nbd7 A) 9.Bd3 Nc5 (9...g6 10.Nc3 Nc5 11.0–0 Bg4 12.Bc2 Ne6 13.h3 Nd4) 10.Nc3 Bg4 11.0–0 Qd7 12.Bc2 Qe6 13.h3 Bh5; B) 9.Be2 Nc5 (9...Re8 10.Nc3 Nc5 11.0–0 Bf5 12.Nh4 Be6 13.Qc2 g6) 10.Nc3 Bf5 11.Nh4 Be6 12.0–0 Nfe4 13.Ne4 Ne4; C) 9.Nc3 h6 (9...Nc5 10.Bd3 Bg4 11.0–0 Qd7 12.Bc2 Qe6 13.h3 Bh5) 10.Bd3 Nc5 11.0–0 Be6 12.h3 Re8 13.Bc5 dc5.

8.Bd4 Be6 A) 9.Nc3 c5 (9...Nbd7 10.Bd3 h6 11.0–0 Nc5 12.h3 Qe8 13.Bc5 dc5) 10.Bf6 Bf6 11.Rc1 a4 12.Ne4 Be7 13.h4 Nd7; B) 9.Be2 Nbd7 (9...h6 10.Nc3 c5 11.bc6 Nc6 12.0–0 d5 13.Qb3 dc4) 10.0–0 Nc5 11.Nc3 Bf5 12.Nh4 Be6 13.Qc2 Qc8; C) 9.Bd3 c5 (9...Nbd7 10.Nc3 Nc5 11.0–0 Bg4 12.e4 Ne6 13.Be3 Qd7) 10.Bc3 Nbd7 11.0–0 h6 12.Nbd2 Qc7 13.Qc2 Rfd8.

8.Bd4 h6 A) 9.Qc2 Be6 (9...Nbd7 10.Nc3 Nc5 11.Be2 Qd7 12.Bc5 dc5 13.0–0 Qe6) 10.Nc3 Nbd7 11.Be2 Nb6 12.Bb6 cb6 13.Nd4 Rc8; B) 9.Nc3 c5 (9...Nbd7 10.Bd3 Nc5 11.0–0 Bg4 12.Bc2 Qd7 13.h3 Bf5) 10.Bf6 Bf6 11.Rc1 Be6 12.Be2 Be7 13.0–0 Nd7; C) 9.Bd3 Nbd7 (9...Be6 10.0–0 Nbd7 11.h3 Nc5 12.Nc3 c6 13.Rb1 Qc7) 10.h3 Nc5 11.Nc3 Qd7 12.0–0 Qe6 13.e4 Nd3.

8.Nd4 a4 A) 9.Nd2 c5 (9...Nbd7 10.Be2 Ne5 11.0–0 d5 12.Qc2 a3 13.Bc3 Bd6) 10.N4f3 Bf5 11.Be2 Nbd7 12.0–0 Nb6 13.Qc1 d5; B) 9.Nc3 c5 (9...a3 10.Bc1 c5 11.Nf3 Nbd7 12.Be2 Ne5 13.0–0 Bf5) 10.Nf3 Qa5 11.Qc2 a3 12.Bc1 Ne4 13.Bd2 Nd2; C) 9.Be2 c5 (9...Nbd7 10.0–0 d5 11.cd5 Nd5 12.a3 Nc5 13.Nc3 Qd6) 10.Nf3 Bf5 11.0–0 Nbd7 12.Bd3 Ne4 13.Qc2 Bf6.

8.Nd4 c5 A) 9.bc6 Nc6 (9...bc6 10.Nc3 c5 11.Ndb5 Nc6 12.Be2 Rb8 13.0–0 Bf5) 10.Nc3 a4 11.Be2 a3 12.Bc1 Qa5 13.Bd2 Qc5; B) 9.Ne2 Nbd7 (9...Bf5 10.Nbc3 a4 11.Nf4 Nbd7 12.Be2 Qa5 13.Qd2 a3) 10.Nf4 Ne5 11.Nc3 a4 12.a3 Bg4 13.f3 Bf5; C) 9.Nf3 Nbd7 (9...Be6 10.Bd3 Nbd7 11.0–0 Qc7 12.Nbd2 Ng4 13.Qc2 f5) 10.Be2 Nb6 11.Nbd2 Bf5 12.0–0 a4 13.Qc1 d5.

8.Nd4 d5 9.Nc3 c5 10.bc6 Nc6 11.Nc6 bc6 12.Bd3 Rb8 13.Qc2 Ba6 14.Nd1 dc4 15.Bc4 Bb4 16.Ke2 Bc4 17.Qc4 Qd2 18.Kf3 Nd5 19.Qd4 Qd4 20.Bd4 c5 21.Be5 Rb7 22.Rb1 Rd7 23.h4 f6 24.Ba1 c4 25.Rc1 Rc8 26.Nc3 Nc3 27.Bc3 Rd3 28.Bd4 Rd2 29.Bc3 Ra2 30.Ke4 Rf2 31.g4 Rg2 32.Kf3 Ra2 33.Rhd1 h6 34.Rd7 Ra3 35.Bd4 c3 36.g5 hg5 37.hg5 fg5 38.Rg1 c2 39.Rg7 Kf8 40.R1g5 c1Q 0–1. lenda77 (1720) – adamk112 (1890), kurnik, 2014.

8.Nd4 Nbd7 9.Nc3 a4 (9...Ne5 10.f4 Neg4 11.Qf3 Re8 12.Be2 Bf8 13.e4 c5) 10.a3 Ne5 11.Be2 Bg4 12.f3 Bh5 13.0–0 h6.

8.Nd4 Nbd7 9.Nd2 Ne5 (9...d5 10.Be2 Ne5 11.0–0 Qd6 12.cd5 Nd5 13.Nc4 Nc4) 10.Be2 Bg4 11.0–0 Qd7 12.h3 Be2 13.Qe2 d5.

8.Nd4 Nbd7 9.Be2 Ne5 (9...a4 10.0–0 Nc5 11.Qc2 Bg4 12.f3 Be6 13.Ne6 fe6) 10.0–0 c5 11.bc6 bc6 12.Nc3 Rb8 13.Qc2 Qd7.

8.Nd4 Nbd7 9.Nf5 Nc5 (9...Ne5 10.Ne7 Qe7 11.Nc3+=) 10.Ne7+= Qe7 11.Be2 Be6 (11...Bg4 12.Nc3 Be2 13.Ne2=) 12.0–0= Nfd7 (12...Rfe8 13.Nc3=) 13.Nc3 Nb6 14.Nd5 Bd5 15.cd5 Qe4 16.Bf3 Qc4 17.Qd4 Qd4 (17...f6 18.Qc4 Nc4 19.Bd4=) 18.Bd4+= (worse is 18.ed4 Nca4 19.Bc1 Rfe8+=) 18...Nbd7 19.Rac1 f5 20.g4 (20.g3 b6+=) 20...f4 21.Kg2 b6 22.Rc4 fe3 23.fe3 (worse is 23.Be3 Rf3 24.Rc5 Rf2 (24...Nc5?! 25.Kf3 Rf8 26.Ke2=) 25.Rf2 bc5–+ (25...dc5?! 26.g5–/+; 25...Nc5?! 26.Rc2–/+)) 23...Rae8 24.Rcc1 Ne5 25.Be2 g5 26.Rf5 Rf5 27.gf5 Kg7 28.h4 (28.Bf3+=) 28...g4? (better is 28...Kf6!? 29.Rf1 gh4=) 29.Bg4+/– Kf6 30.Bh3 (30.Rf1 Ncd3 31.Bd1 Nb4+/–) 30...Rg8 31.Kh2 Rg7 32.Rg1 (32.Rc2!?+/–) 32...Rg1+= 33.Kg1 Ncd3 (33...a4 34.Kf2 a3 35.Bg4+=) 34.e4 (34.a3+=) 34...Ke7? (34...Nc1 35.Kf2 Na2 36.Bf1+=) 35.Be3 (35.Bf1!? Nc5 36.Bc5 bc5 37.Kf2+/–) 35...Nb4+= 36.a4 (36.a3 Na2+=) 36...Nbd3= 37.Bg5 Ke8 38.f6 (38.Bg2 Nc5=) 38...Nc5+= 39.Bf5 Na4 40.Bh7 Nc5 41.Bc1 Kf7 42.Kf1 Ncd7 43.Ke2 Nf6 44.Bf5 a4 45.Kd1 Nf3 46.h5 Nd4 (46...Nh5? 47.Bg4 Nd4 48.Bh5 Ke7 49.Be2+–) 47.Bg6 Kg7 48.Bb2 (48.Be3 Nb5 49.Kc2 Ng4=) 48...Nf3+= (48...Nb5?? 49.Be8+–) 49.Kc2 (49.Bf6!? Kf6 50.Kc2+=) 49...Ne5–/+ 50.Be5? (better is 50.Bf5–/+) 50...de5–+ 51.Kc3 Kh6 52.Kb4 (52.Bf7 Nh5 53.Kb4 Kg5–+) 52...Nh5 53.Bf5 (53.Be8 Nf6 54.d6 cd6–+ (54...Ne8?? 55.d7 Nd6 56.d8Q+–)) 53...Kg5 54.Ka4 Nf6 55.Kb4 Kf4 56.Kc4 Ne4 57.Bd7 (57.Bg6 Nd6 58.Kb4 e4–+) 57...Nd6 58.Kd3 e4 59.Kd4 (59.Ke2 Nf5–+) 59...Nf5 Black plans e3 (better is 59...e3 60.Kd3 Kf3 61.Bg4 Kg4 62.Ke3–+) 60.Kc3 Ke5 (60...e3 61.Kd3–+) 61.Be6 (61.Bc6 Nd4 62.Bd7 e3–+) 61...Nd6 (better is 61...e3–+) 62.Kb4 (62.Bd7–+) 62...Kd4 63.Bg8 (63.Bh3 e3 64.Bf1–+) 63...e3 0–1. Lunin,Mikhail – Zhukovsky,Viacheslav, 2009.

8.Nd4 Be6 B1) 9.Be2 Nbd7 (9...Qc8 10.Nc3 Nbd7 11.Ne6 fe6 12.0–0 Nc5 13.Qc2 Qe8) 10.0–0 Nc5 11.Nc3 d5 12.Ne6 fe6 13.Qd4 a4; B2) 9.Nd2 Nbd7 (9...a4 10.Be2 a3 11.Ne6 fe6 12.Bd4 Nbd7 13.0–0 e5) 10.Be2 Nc5 11.0–0 Qd7 12.Qc2 Bg4 13.f3 Bh5; B3) 9.Nc3 Nbd7 (9...Qc8 10.f4 d5 11.f5 Bf5 12.cd5 Bb4 13.Bc4 Bg4) 10.Be2 Nc5 11.0–0 a4 12.Ba3 Qc8 13.Qc2 Rd8.

6.Nf3 e4

7.Nd4 c5

8.bc6 bc6 9.d3 =.

8.bc6 Nc6 9.Nc6 bc6 10.Be2 0–0 11.0–0 d5 12.cd5 Qd5 13.Nc3 Qg5 14.d3? Bh3–+ 15.g3 Bf1 16.Qf1 Rab8 17.Rb1 ed3 18.Bd3 Rb7 19.Bc1 Rb1 20.Nb1 Rd8 21.Be2 Qd5 22.a3 Qa2 23.Nc3 Qa1 24.Na4 Ba3 25.Ba3 Qa3 26.Nb6 Qb4 27.Nc4 a4 28.Ne5 Qc3 29.Nf3 a3 (30.Bc4 Ra8–+) 0–1. Hasler,Ueli – Rosner,Dirk (1930), CiF, 2006.

8.bc6 Nc6 9.d3 d5 =.

8.bc6 Nc6 9.Be2 0–0 10.d3 ed3 (10...d5 11.cd5 Qd5 12.de4 Bb4 13.Bc3 Ne4 14.Bb4 ab4 15.Bf3=) 11.Qd3 d5 12.0–0 (12.cd5 Bb4 13.Nc3 Nd5=) 12...Ne5 13.Qc2 Nc4 14.Bc4 dc4 15.Nd2 (15.Qc4 Bd6=) 15...b5=+ 16.a4 b4 17.Nc4 Qc7 18.Rac1 Rd8 19.f3 (19.Nb5 Qc5=+) 19...Qc5 20.Nb3 Qg5 21.Be5 Bf5 22.e4 Bd7 23.Bc7 (23.Nba5 Ra5 24.f4 Qh6 25.Na5 Ng4–/+) 23...Bc5=+ 24.Kh1 Rdc8 25.Nc5 Rc7 26.Nd7 Nd7 27.f4 Qc5 28.h3 (28.Rfd1 Rac8 29.Qe2 Qc6=+) 28...Rac8 29.Qd3 (29.Qb2 Nf6 30.e5 Nd5=+) 29...Qe7–/+ 30.Rfd1 Nc5–+ 31.Qd5 Na4 32.Qd4 Qh4 33.Rd2 h6 34.Kh2 Qf4 35.g3 Qg5 36.h4 Qh5 37.Kg2 b3 38.Nb6 Rc1 39.Nc8 Qb5 40.Ne7 Kh7 41.Rf2 Qe8 42.Nf5 f6 43.Qe3 Qc6 44.Qb3 Qe4 45.Qf3 Nc3 46.Qe4 Ne4 47.Re2 g6 48.Re4–/+ gf5 49.Ra4 Rc5 50.h5 Kg8 51.Kf2 Kf7 52.Ke2 Ke6 53.Kf3 Rc3 54.Kf4=+ Rd3 55.Ra5= Rd4 56.Kf3 Rd2 57.Ra6 Ke5 58.Ra5 Rd5 59.Ra3 Rd1 60.Ra5 Ke6 61.Ra6 Rd6 62.Ra7 Rd3 63.Kf4 Rd4 64.Kf3 Rd6 65.Rh7+= Rd3 66.Kf4 Rd4 67.Ke3 Ra4 68.Rh6 Ke5 69.Kf3 f4 70.gf4 Rf4 71.Kg3 Rd4 72.Rg6 Rd3 73.Kh2 f5 74.h6+= Rd4 75.Kg3 Rd7 76.Rg7+= Rd3 77.Kh4 Kf6 78.Rc7 Rd1 79.Rc6 Ke5 80.Kh5 Rh1 81.Kg6 Rg1?? 82.Kf7+– Rh1 83.Kg7 Rb1 84.h7 Rb7 85.Kh6 Rh7 86.Kh7 f4 87.Kg6 f3 88.Kg5 Ke4 89.Rf6 Ke3 90.Kg4 f2 91.Kg3 Kd4 92.Rf2 Ke3 93.Rf4 Ke2 94.Rf3 Ke1 95.Rf2 Kd1 96.Kf4 Ke1 97.Ke3 Kd1 98.Rh2 Kc1 99.Kd3 Kb1 100.Kc3 Ka1 101.Kb3 Kb1 102.Rh1# 1–0. Bonetti,Shane (2320) – QueenMaxima (2480), ICC, 2003.

8.bc6 Nc6 9.Be2 d5 10.0–0 =.

8.Ne2 0–0 9.Nbc3+= d5 (9...Be6 10.Nf4+=) 10.Nd5 Nd5 11.cd5 Qd5 (11...Nd7 12.Qc2 Re8 13.Rc1+=) 12.Qc2+/– Rd8 (12...Nd7 13.Nc3 Qf5 14.Ne4+/–) 13.Nc3 Qd6 (13...Qf5!?+/–) 14.Ne4+– Qg6 (14...Qh6 15.Nc5 Nd7 16.Nb3+–) 15.Bd3 Rd3 16.Qd3 Bf5 17.f3 Qg2 (better is 17...Nd7 18.0–0 Be6+–) 18.0–0–0 Qf3 19.Qc3 f6 20.Qc4 Kf8 21.Ng5!! Qh5 (21...fg5 22.Rhf1 Combination) 22.Qd5 Qg5 23.Rhf1 1–0. forsetinn (2375) – cachisss (1910), gameknot.com, 2015.

8.Ne2 Nbd7 9.Ng3 =.

6.Nf3 Bg4

7.Be2 0–0 8.0–0 Nbd7 9.h3 Bh5 10.Nc3 Nc5 11.d4 ed4 12.Nd4 Be2 13.Qe2 Nfe4 (13...Re8!?=) 14.Ne4+/– Ne4 15.Qg4 f5?? (better is 15...Nf6 16.Qf3 Rb8+/–) 16.Nf5+– (16.Nf5 Ng5 17.f4+–) 1–0. emeryt85 – hellipod, kurnik, 2011.

7.Be2= 0–0 8.Nc3 Nbd7 9.d4 ed4 10.ed4 Nb6 11.Nd2 Be2 12.Qe2 d5=+ 13.0–0 dc4 14.Nc4= Nc4 15.Qc4 Bb4 16.d5 Bc3 17.Qc3 Qd5 18.Rfd1 Qb5–/+ 19.Rd3 Rfd8 20.Rg3 Rd6–+ 21.h4 Rad8 22.Rg5 Qb6 23.Ra5 Rd1 24.Kh2 Ng4 (25.Kg3 Qf2 26.Kg4 Qg2 27.Kf4 Qf2 28.Kg4 R8d4 29.Qd4 Rd4 30.Bd4 Qd4 31.Kf3 Qc3 32.Kg2 Qa5–+) 0–1. Mueller – Noack, corr DDR, 1985.

7.Be2 0–0 8.d4 Bf3 9.Bf3 e4 10.Be2 c6 11.Nc3 d5 12.Qb3 Qd6 13.a4 Qe6 14.Rc1 Nbd7 15.0–0 Rfb8 16.Rc2 Nb6 17.bc6 (17.c5!? Nbd7 18.Rd2+=) 17...bc6= 18.cd5 Nbd5 19.Qa2 Qd7 20.Nd5 Nd5 21.Rcc1 Rb6 22.Bc3 Bb4 23.Ba1 Rab8 24.Qc4 h6 25.Rb1= Kh7 26.Rb3 f5 27.Rfb1 Qa7 28.Qc2 Qe7 29.Bb2 Qb7 30.Bc1 Qa7 31.g3 g6 32.Bf1 Kg7 33.Bg2 Qe7 34.h3 h5 35.Bb2 Re8 36.Qd1 Qd6 37.Rc1 Re7 38.Rc4 Reb7 39.Qc2 Qe6 40.Bf1 Kh7 ½–½. Beck,Hartmuth (2300) – Seuss,Oswald (2025), Vienna–ch, 2004.

7.Be2 Nbd7 8.Nc3 0–0 9.h3 Bf3 (9...Be6 10.d4=) 10.Bf3+= Nc5 (10...Rb8!?+=) 11.d4+/– Ne6 12.de5 Nd7 (better is 12...de5!? 13.Bb7 Rb8 14.Qd8 Rfd8+/–) 13.Bb7 Rb8 14.ed6 Bd6 15.Bc6 (15.Bd5!? Nb6+–) 15...Ne5 16.Qe2 (16.Be4!?+–) 16...Nc6+/– 17.bc6 Qh4 18.0–0 f5 (18...Rb6 19.Nd5 Rc6 20.Rac1+/–) 19.Nb5 Rb5?? (better is 19...Qe4+/–) 20.cb5+– f4 21.Qc4 Qh6 22.ef4 Rf4 (22...Kh8 23.f5! Nf4 24.f6 gf6 25.g3+–) 23.Qd5 Kf8 (23...Qg6 24.Rae1 Kf7 25.b6+–) 24.b6! Ng5 (24...cb6 25.Qd6 Deflection) 25.b7 (better is 25.g3!? Qh5 26.b7 Nh3 27.Kh2 Qd5 28.b8Q Kf7+–) 25...Nh3 26.gh3 Rg4 27.Qg2 Rg2 28.Kg2 Qg5 29.Kh1 Qf6 (29...Qb5 30.Rab1 Kf7+–) 30.Bf6 1–0. emeryt85 – kwa123, kurnik, 2011.

7.Be2= Nbd7 8.d4 0–0 9.de5 de5 10.Ne5 Bb4 11.Nd2 Nc5 12.f3+= Bf5 13.Rc1 Re8 14.g4 Bg4 15.fg4 Nfe4 16.Nef3? Nd2 17.Nd2?? Ne4 18.0–0 Bd2 19.Rc2 Be3 20.Kg2–/+ Qh4 21.Qd5=+ Ng5 22.Qb7 Qh3 23.Kh1= Ne4 24.Qc7?? Ra7–+ (25.Qe5 Re5 26.Be5 Re7–+) 0–1. Bechler,G – Joachim,Guenther, corr DDR/I/201, 1965.

7.h3 Bh5 8.d3 Nbd7 9.g4 Bg6 10.Nh4 Nc5 11.Ng6 hg6 12.Bg2 g5 13.d4 ed4 14.ed4 Ne6 15.Bb7 d5 16.Bc6 Kf8 17.cd5 Nd5 18.Qf3 Nef4 19.Ba8 Qa8 20.Nc3 Bb4 21.Kd2 Qa7 22.Kc2 Bc3 23.Bc3 Qb6 24.a4 Qg6 25.Kd2 c6 26.Ba5 Qd6 27.Kd1 Rh6 28.Qa3 Qa3 29.Ra3 cb5 30.ab5 Re6 31.Re1 Rd6 32.Bb4 1–0. Machete99 (2280) – Cizzi (2140), ICC, 2002.

5.c4 Bf5

6.Nc3 c6 7.Rc1 cb5 8.cb5 Nbd7 9.h3 Be7 10.Nf3 (10.Qf3 Be6=) 10...0–0= 11.Be2 Rc8 12.0–0 Rc7 13.a4 Qb8 14.d4 e4 (better is 14...Qd8!?=) 15.Nh4+/– Be6 16.d5 Bd5 17.Nf5 (17.Nd5!? Nd5 18.Qd5 Bh4 19.Qe4+/–) 17...Nb6+= 18.Ne7 Re7 19.Ba3 Rd7 20.Nd5 Nfd5 21.Bg4 Rdd8 22.Qb3 f5 23.Be2 Kh8 24.Rfd1 Rc8? 25.Rd5+/– Nd5 26.Qd5 1–0. lican – meiasete67, kurnik, 2012.

6.Nc3 Nbd7 7.Qf3+= Be6 8.Qb7 g6 (8...Nc5 9.Qc6 Bd7 10.Qf3+=) 9.g3 (9.d4 Rb8 10.Qa6 ed4 11.ed4 d5+/–) 9...Bg7 10.Qg2 (10.Qc6 0–0+=) 10...0–0 11.Be2 Nc5 (11...a4 12.a3+=) 12.d4+/– ed4 13.ed4 Ncd7 14.d5 Bf5+= 15.g4 Be4?? 16.Ne4+– Ne4 17.Bg7 Kg7 18.Qe4 Nc5 19.Qd4 Kg8 20.Nf3 Re8 21.Kf1 Re4 22.Qc3 Rg4 23.Nd2 Ne4 24.Ne4 Re4 25.Bf3 Re5 26.Re1 Re1 27.Qe1 f5 28.Rg1 Kf7 29.Qe6 Kf8 30.Bh5 Qe7? 31.Qe7 Ke7 32.Bg6 hg6 33.Rg6 Rh8 34.Kg2 Kf7 35.Rg3 Rh4 36.Rc3 (36...a4 37.c5+–) 1–0. Diener,Rudolf – Wiencek,Tadeusz Robert, corr ICCF T–375–19–G, 1975.

6.Nc3 Be7!? =.

6.d4 ed4 7.ed4 Nbd7 8.Nd2 Be7 (8...d5 9.Qf3 Bg4 10.Qe3 Qe7 11.Rc1+=) 9.Be2 (9.Qf3!? Be6 10.Qb7+=) 9...0–0 10.Ngf3 Re8 11.0–0 c5 (11...d5!?=) 12.Nh4+= Be4 13.d5 Bf8 14.f3 Bg6 15.Ng6 hg6 16.Qc2?? (16.Re1 Re7+/–) 16...Nh5?? (better is 16...Re2 17.Rae1 Qe7 18.Re2 Qe2–+) 17.Ne4 Nf4 18.Rae1 b6 19.g3 Nh3 20.Kg2 Ng5 21.Ng5 Qg5 22.Bd3 Ne5 23.f4 Nd3 24.Re8 (better is 24.Qd3!? Qh5 25.Qf3+/–) 24...Nf4= 25.Kf3?? (better is 25.Rf4 Re8 26.a3=) 25...Re8–+ 26.gf4 Qh5 27.Kg2 Re2 (27...Re2 28.Qe2 Qe2 29.Rf2 Qc4–+) 0–1. typ48 – misialo78 (1645), kurnik, 2013.

6.Nf3 c5 7.Nc3+= b6? (7...Nbd7!?+=) 8.Be2 (better is 8.Ne5!? de5 9.Qf3+–) 8...Nbd7 (8...Be7 9.0–0+/–) 9.d3 (9.0–0 h6+/–) 9...Qc7 (9...Be7 10.0–0+/–) 10.Nh4 (10.0–0 g6+/–) 10...Be6 11.Bf3 (11.0–0 g6+/–) 11...0–0–0 (11...Rc8 12.g4+/–) 12.g3 (12.Nd5 Qa7 13.g4 Kb8+/–) 12...h5 (12...g5 13.Ng2+=) 13.Ne4 (13.Bc6 g5 14.Nf3 g4+/–) 13...g6 (better is 13...Ne4!? 14.Be4 Nf6+=) 14.Ng5+/– Bh6 (14...Rg8 15.Bc6+/–) 15.Ne6+– fe6 16.Ng6 Rh7 17.Bc6 Nf8 (17...Rg8 18.Nh4+–) 18.Nh4 Bg5 (18...Rg7 19.Qc2+–) 19.Nf3 Qg7 20.Ng5 (20.h4 Bh6+–) 20...Qg5 21.Qf3 h4 22.0–0–0 Ng6 23.a4 d5 24.gh4 Nh4 25.Qg3 Rh5 26.Qg5 Rg5 27.f4 Rh5 28.Rdg1 Nf3? 29.Rg6 Rf8 30.Rg7 Ne8 31.Rg3 Nh4 32.Be5 Nf5 33.Rg6 Nc7 34.Bc7 Kc7 35.Re6 dc4 36.dc4 Ng3 37.hg3 (37.hg3 Rh1 38.Bh1+–) 1–0. algernon (2360) – vitorluiz (2375), net–chess.com, 2007.

6.Nf3 Nbd7 7.d4 e4 8.Nfd2 h5 (8...d5 9.Nc3=) 9.h4 (9.Be2 Be7+=) 9...d5 10.Ba3 Ba3 11.Na3 Qe7 12.Qb3 c6 (12...dc4 13.Qc3=+) 13.c5 0–0 14.Be2 Bg4 15.Bf1 Rfe8 16.b6 Be6 17.Nab1 Ng4 18.Nc3 Qf6 19.Nd1 Nc5!–+ 20.Qa3 Nd7 21.Rb1 Rec8 22.Nb3 a4 23.Nc5 Qe7 24.Nc3 Ra5 25.Qb4 Rc5 26.dc5=+ Ra8 27.Be2 Nde5 28.g3 Qf6= 29.0–0 Qg6 30.Qd4 Qf5 31.Rb2 g5? 32.hg5+/– h4? 33.gh4+– Nf3 34.Bf3 Qf3 35.Qd1?? Qh3= 36.f3 Ne3–/+ 37.Qd2?? Qf1–+ 38.Kh2 Qh3 39.Kg1 Qg3 40.Kh1 Qf3 41.Kg1 Qg3 42.Kh1–+ Bg4 (43.Qe3 Qe3–+) 0–1. Stejskal,Drahoslav – Zeithaml,Radek, CZE–chT2a, 1996.

5.c4 g6

6.b5 Nf6 7.d4 ed4 8.ed4 0–0 9.Be2 Re8 10.0–0 b6 11.Nbd2 Bb7 12.Bd3 Nbd7 13.Qc2 Ng4 14.h3 Nh6 15.Rfe1 Qf6 16.Rab1 Re1 17.Re1 a4 18.a3 d5 19.Ne5 Ne5 20.de5 Qe7 21.cd5 Bd5 22.Be4 Be4 23.Qe4 Rd8 24.Nf3 Qe6 25.Qa4 Nf5 26.Qc2 Ne7 27.Qc7 Rc8 28.Qd6 Rc2 29.Bd4 Nf5 30.Bb6 Nd6 31.ed6 Qd7 32.Bc7 h5 33.b6 Rb2 34.a4 Bf6 35.a5 Bd8 36.a6 Bc7 37.bc7 Ra2 38.Re7 Qf5 39.d7 Kg7 40.d8Q Ra1 41.Kh2 Qf4 42.g3 Qf3 43.Qd4 Kh6 0–1. ferminkatcho (1775) – echizen (1660), kurnik, 2013.

6.Nc3 Bg7 7.Nf3 0–0 8.Be2 (8.d4 ed4 9.Nd4 c5 10.bc6 Nc6=) 8...Nbd7 (8...Re8 9.0–0=) 9.0–0 h6 (9...Nb6 10.d4 ed4 11.ed4=) 10.d4+= e4 (10...Qe7 11.Qc2+=) 11.Nd2 Re8 12.Qc2 Qe7 13.Rac1 (13.Rae1 Nb6+=) 13...b6 (13...c5 14.bc6 bc6 15.Rb1+=) 14.Qb1 (14.Nd5 Nd5 15.cd5 Bb7+=) 14...Bb7 15.Ba3 (15.Rfd1 Qe6+=) 15...Nh7 (15...Qe6 16.Qc2+=) 16.Na4 (16.Nd5 Qd8+=) 16...Qg5 (16...Nhf6 17.Bb2+=) 17.c5 dc5 18.dc5 Ne5 (18...Rad8!?+=) 19.c6 (19.Ne4 Qh4 20.Nac3 Ng4 21.Bg4 Qg4+/–) 19...Bc8 20.Ne4 (worse is 20.Qe4 Bf5 21.Qf4 Qf4 22.ef4 Nd3 23.Bd3 Bd3+=) 20...Qh4 21.Nec3 Nc4 (21...Nf6 22.Rcd1 Bf5 23.Qc1+/–) 22.Bc4 Qc4 23.Qb3 (better is 23.e4!?+/–) 23...Qb3= 24.ab3 Be6 ½–½. Sanz,JA – Stevenson,El, BCF–ch U18 Sunderland, 1966.

6.d4 ed4 7.Bd4 Bg7 =.

6.Be2 Bg7 7.d4 e4 (7...0–0 8.b6 ed4 9.bc7 Qc7 10.Qd4=+) 8.Nc3 0–0 9.d5 Nbd7=+ 10.Rc1 Nc5 11.Na4 Na4 12.Qa4= b6 13.Qc2 Re8 14.Bd1 Nd7 15.Bg7 Kg7 16.Nh3 Nc5 17.Nf4 Re5 18.0–0 Bd7 19.Qc3 Qf6 20.Be2 Rae8 21.Rfd1 Bc8 22.h3 Qe7 23.Rd2 Rh8 24.Qc2 Re8 ½–½. Waibel,Ulrich – Dodge,John, compuserve, 1995.

6.Nf3 Nbd7 7.Be2 Bg7 8.0–0 0–0 9.d4 Qe7 10.a4 b6 11.Qb3 Bb7 12.de5 de5 (worse is 12...Ne5 13.Ne5 de5 14.Ba3+–) 13.Nbd2 Nc5 14.Qc2 Nfe4 15.Nb3 Nb3 16.Qb3 Rfd8 17.Rfd1 Ng5 18.Ng5 Qg5 19.Bf1 h5 (19...Bf3 20.Re1=) 20.Rd8 Rd8 21.Rd1 h4 22.h3 Qe7 23.Ba3 Qf6 24.Rd8 Qd8 25.Qd3 (25.c5!?+=) 25...Qd3= 26.Bd3 Bf8 27.Bb2 Bd6 28.f3 Kf8 29.Kf2 Ke7 30.Be4 (30.c5 Bc5 31.Be5 Bd5=) 30...Bc8 (better is 30...Be4!? 31.fe4 f6–/+) 31.Bd5= f6 32.e4 Bc5 33.Ke2 Be6 34.Bc1 g5 35.Be3 Kd6 (35...Be3 36.Ke3 Kd6 37.Be6 Ke6 38.Kd3=) 36.Bc1 (better is 36.Bc5!? bc5 37.Kd3+=) 36...Bd7+= 37.Kd3 Bd4 (37...c6 38.bc6 Bc6 39.Bc6 Kc6 40.Bb2+=) 38.Ba3 Bc5 39.Bc1 c6 40.bc6 Bc6 41.Bc6 Kc6 42.Bb2 Bb4 43.Bc1 Kc5 44.Be3 Kc6 45.Bc1 Bc5 46.Bd2 Bd4 47.Bc1 Kc5?? 48.Ba3+– Kc6 49.Be7 g4 50.fg4 f5 51.ef5 Kc7 52.f6 Kd7 53.Ke4 Ke6 54.g5 Kf7 55.Kf5 Bc5 56.g6 Ke8 57.Bc5 bc5 58.Ke5 Kd7 59.g7 Kc6 60.g8Q Kb6 61.Qd5 Kc7 62.Qc5 Kb7 63.Qa5 Kb8 64.Qb5 Kc8 (64...Kc8 65.f7 Kc7 66.a5 Kd8 67.f8Q Kc7 68.Qfb8). marvis (1640) – smatli (1905), playok.com, 2013.

6.Nf3 e4 7.Nd4 =.

6.f4 e4 7.d4 (7.Nc3 Rg8=) 7...d5 (7...Bg7 8.Nc3=) 8.c5 (8.Nc3 Be6=) 8...c6 (8...Bg7 9.Be2+=) 9.b6 (9.Nc3 Bg7=) 9...Bg7 10.Be2 (10.Nc3 Be6=) 10...0–0+= 11.a4 h5 (11...Ng4 12.Qd2=) 12.Nd2 (12.Qd2 Bg4=) 12...Bg4 (12...Ng4 13.Qb3=) 13.Qb3 (13.Nb3 Nfd7=) 13...Na6 14.Bc3 (14.h3 Bf5=) 14...Be2+= 15.Ne2 Ng4 16.Nf1 f5 (16...Qh4 17.Neg3=) 17.h3 Nf6 (17...Nh6 18.Nd2+=) 18.Qb2 (18.Nd2 Kh7+=) 18...h4 (18...Nd7 19.Qd2=) 19.Qd2 Nh5 (19...Re8 20.g3+=) 20.0–0–0 (20.Rg1 Kh7+=) 20...Qe7 (20...Nf6 21.g3+=) 21.g4 (21.Ba5 Nc5 22.dc5 Qc5 23.Bc3 Ra4–+ (23...Qb6?! 24.Bg7 Ng7 25.Nc3+=)) 21...hg3 22.Nfg3 (22.Rg1 Kf7+=) 22...Ng3 23.Ng3 Nc5 24.dc5 Qc5 25.Ne2 Ra6 26.Kc2 Qc4 27.Ra1 Rb6 28.Rhb1 Rb1 29.Kb1 Qd3 30.Kc1= Qd2 31.Kd2 Bc3 32.Kc3 Rf7 33.Kd4 Rh7 34.Rh1 b6 35.Nc3 Rb7 36.h4 b5 37.ab5 cb5 38.h5 b4 39.Nd5 b3? 40.hg6 Rb8 41.Rh7 (41.Rh7 Rd8 42.Ke5 Rd5 43.Kd5+–) 1–0. Kjaerstad,Eivind J – Little,George A, corr NOR–ENG, 1969.

6.f4 ef4 7.ef4 Bg7 8.Nf3 =.

6.Nf3 Bg7

7.Nc3 0–0 =.

7.d4 e4 8.Nfd2 0–0 9.Nc3 Re8 10.Qc2 Bf5 (10...c5 11.dc5 (worse is 11.Nde4 Ne4 12.Ne4 cd4+=; worse is 11.Nce4 Ne4 12.Ne4 cd4+=) 11...dc5 12.Be2+=) 11.Be2 h5 12.0–0 Nbd7 13.a4 Qe7 14.Ba3 Nf8 15.Nd5 (15.c5 Ne6+=) 15...Nd5+= 16.cd5 Nh7 17.Rac1 Rac8 18.Qc3 h4 19.Qa5 Qg5 20.Rc7 Bh3 21.g3 hg3 22.hg3 Nf6 (22...Bf1 23.Bf1 Ra8 24.Qb4+/–) 23.Rfc1 (better is 23.Rc8 Rc8 24.Rc1 (24.Bd6?! Bf1 25.Bf1 Qf5=) 24...Rc1 25.Bc1 Qd5 26.Qc7+–) 23...Rc7? (23...Ra8 24.Qb6 Nd5 25.Qb7 Nc7 26.Rc7 Rab8+/–) 24.Rc7 (24.Qc7!? Nd5 25.Qb7 Bd4+–) 24...Nd5 25.Nf1?? (25.Rb7 Bd4 A) 26.ed4 e3 27.Ne4 ef2 28.Kh2 Qh6 (28...Re4?! 29.Qa8 Kg7 30.Bd6=) 29.Nf2 Re2 30.Qd8 Kg7–+; B) 26.Bd6?! Be3 27.Nc4 Bd4+=; C) 26.Ne4 Re4 27.Qa8 (27.ed4?! Re2 28.Rb8 Kh7+=) 27...Kg7 28.Bd6+– (28.ed4 Re2 29.Rf7 Kf7–+)) 25...Nc7 26.Qc7 d5 (26...Qd5!? 27.Bc4 Qf5=) 27.Qb7+= Bf1 28.Bf1 Bd4? (better is 28...Qf5+/–) 29.ed4 e3 30.Qd7 ef2 31.Kg2 Qe3 (31...Qe3 32.Bd6 Qe4 33.Kh2 Qe1+–). barborski – jerrybase, playok.com, 2013.

7.Be2 Nbd7 8.0–0 0–0 9.d4 Re8 10.a4 b6 11.de5 Ng4 12.Qd5 Rb8 13.Rd1 Nde5 14.Ne5 Be5 15.Be5 Re5 16.Qd4 h5? (better is 16...Qh4!? 17.Bg4 Qg4+=) 17.h3+– Qh4 (17...Ne3 18.Qe5! Nd1+– (18...de5?? 19.Rd8 Kg7 20.fe3+–)) 18.hg4 hg4 19.g3 Qh5 20.Bf1?? (better is 20.Nc3+–) 20...Bb7–+ 21.Bg2 Bg2 22.Kg2 Qh3 23.Kg1 Rh5 (better is 23...Kg7 24.Qg4 Qg4–+) 24.Qe4+– Qh2 25.Kf1 Rf5 26.Qg2 Qh8 27.Rd4 Re8 28.Ra3 Rh5 29.Nd2 Rh2 30.Qd5 Qh3 31.Kg1 Re5 32.Qa8 Kg7 33.Nf1 Rh5 34.Nh2 Qh2 35.Kf1 d5 36.Rd5 (36.Ke2!? Qh1 37.Rg4 Qb1+–) 36...Qh1 37.Ke2 Qf3 38.Kd3 Qd1 39.Ke4 Qf3 40.Kd4 Qd1 41.Rd3 Qa1 42.Ke4 Rh2 1–0. Hanscombe,Richard – Brown,Tom (2020), WLS–chT, 2007.

7.Be2 e4 8.Nd4 =+.

7.d4 ed4

8.Qd4 0–0 9.Be2 Nbd7 10.0–0 Nc5 11.Rd1 Bd7 12.Ne1 Na4 13.Bc3 Bf5 14.Rc1?? Bb1 15.Rab1–/+ Ne8 (15...Nc3 16.Rc3 Ne8 17.Qd3 Bc3 18.Qc3–/+). Adam – Leu, corr, 1972.

8.Bd4 0–0 9.Bd3 Nbd7 10.Nbd2 (10.0–0 Nc5=) 10...Re8 (10...Nc5 11.Be2=) 11.0–0 Nh5 (11...Ne5 12.Be2=) 12.a4 (12.Ne4 Ne5+=) 12...Nc5 13.Bc2 Bg4 14.h3 Bd7 15.Ra3 Ne6 16.Re1 Qe7 17.Rd3 Qf8 18.Nb3 Bd4 19.Nfd4 b6 20.Qf3 Ng5 21.Qb7 Rac8 22.Nc6 Nh3 23.gh3+– Bh3 24.Ncd4 Qe7 25.Nf3 Qf6 26.Nbd4 g5 27.Qd5 h6 28.Rd2 Ng7 29.Kh2 Be6 30.Ne6 fe6 31.Qe4 Nf5 32.Nd4 Nd4 33.ed4 Re7 34.Qg6 Qg6 35.Bg6 Kg7 36.Bf5 Rce8 37.Bg4 Kg6 38.Kg3 h5 39.Bf3 Rf8 40.Bd5 Rf6 41.Rde2 Kf7 42.f3 Re8 43.Bc6 Re7 44.Re4 Kg6 45.Rh1 Ref7 46.Re3 Re7 47.Be4 Kh6 48.Re2 h4 49.Kg2 Rf4 50.c5 d5 51.Bd5 Rd4 52.Re6 Re6= 53.Be6 Ra4? 54.cb6+/– cb6 55.Rc1 Rb4 56.Rc6 Kg7 57.Rb6 (57...Kf6 58.Bd7 Ke7 59.Bg4+/–) 1–0. Diener,Rudolf – Leu,Manfred, corr DDR, 1985.

8.Bd4 0–0 9.Bd3 Re8 10.0–0 Nbd7 11.Nc3 c5 12.bc6 bc6 13.Rb1 c5 14.Bf6 Nf6 15.Bc2 Be6 16.Qe2 Rb8 17.Rb8 Qb8 18.Qd3 Bf5 19.Qd2 Bg4 (19...Be6 20.Rb1 Qc8 21.Bb3=) 20.Rb1 Qd8 21.Ng5 h6 22.Nge4 Ne4 23.Ne4 Bf5 24.Nc3 Bc2 25.Qc2 Qd7 26.Nd5 Kh7 27.Rb5 Qa7 28.Qb1 Rf8 29.a4 Be5 30.f4 Bg7 31.f5 Qd7 32.f6 Bh8 33.Ra5 Qe6 34.Qf1 Rb8 35.Ra7 Qe8 36.a5 Ra8? 37.Ra8 Qa8 38.Qa1 Qa6 39.Qa4 Qb7 40.Qb5 Qc8 41.a6 Qg4 42.h3 Qd1 43.Kh2 Qa1 44.Qb7 Bf6 45.Nf6 Qf6 46.a7 Qe5 47.g3 Kg7 48.a8Q Qe3 49.Qa1 Qe5 50.Qe5 de5 51.Qe7 e4 52.Qe4 Kf6 53.Qc6 Kg7 54.Qc5 f5 55.Qe7 Kg8 56.c5 f4 57.c6 Kh8 58.c7 fg3 59.Kg3 h5 60.c8Q 1–0. orane (2085) – Caissa (1815), Live Game Caissa's Web, 2004.

8.Nd4 0–0 9.Nd2 Nbd7 10.Rc1 Nc5 11.Be2 Bd7 12.0–0 Re8 13.Qc2 Ng4 14.h3 Nh6 15.Qb3 Ne4 16.Bf3 f5 17.c5 d5? (17...Nf7 18.Be4 fe4 19.cd6+=) 18.c6 (Better is 18.Ne4!? fe4 19.Be4+–) 18...bc6+= 19.Nc6 Qg5?? (19...Bc6 A) < 20.bc6 Rb8 (20...Nd2 21.Bd5 Kh8 22.Bg7 Kg7 23.Qc3 Qf6 24.Qd2+–) 21.Bg7 Rb3 (21...Kg7?! 22.Qa4+=) 22.Bh6 Rb2 23.Ne4 fe4–+ (23...Re4?! 24.Be4 fe4 25.f3–+); B) 20.Rc6 Bb2 21.Qb2+/–) 20.a4?? (Better is 20.Qd5 Be6 21.Ne4+–) 20...f4?? (20...Nf7 21.Rfd1 Bb2 22.Qb2 Bc6 23.Rc6+/– (23.bc6?! Red8=)) 21.Bg7 Kg7 22.ef4 Qf4 23.Be4 Re4?? 24.Qd5 (24...Bc6 25.Qc6+– (25.Rc6?! Ra4 26.g3 Rd4 27.Rc7 Qc7 28.Qd4 Kf8+–; < 25.bc6 Rd4 26.Qf3 Qd2–/+); Better is 24.Ne4!? de4 25.Qc3 Qf6+–) 1–0. Fehr,Wolfgang – van Venetie,Koen, CiF GT–98–0041A, 1998.

7.Be2 0–0

8.0–0 Be6 9.Nc3 c6 (9...h6 10.d4 Nbd7 11.Qc2=) 10.a4 (10.d4 Nbd7+=) 10...Nbd7= 11.Qc2 (11.d4 Rc8=) 11...Rc8 12.d3 (12.d4 ed4 13.Nd4 Nb6 14.bc6 bc6 15.Ne6 fe6=) 12...Ne8 (12...d5 13.d4=) 13.Ne4 (13.Rfb1 Nef6+=) 13...h6= 14.Ned2 (14.Ba3 Qc7=) 14...f5 (14...d5 15.Ba3 c5 16.cd5 Bd5 17.Bb2=) 15.Bc3 (15.Rfb1 c5=) 15...g5 (15...b6 16.bc6 Rc6 17.Rab1=) 16.Nb3 (16.bc6 Rc6 17.Rab1 Qc7+=) 16...b6= 17.Nfd2 (17.bc6 Rc6 18.Rab1 d5=) 17...g4 (17...d5 18.bc6 Rc6 19.Rab1=) 18.d4 (18.bc6 Rc6 19.d4 Qc7+=) 18...cb5 (18...Qc7 19.Rfb1+=) 19.ab5 f4 (19...Qc7 20.Rfc1+=) 20.d5+/– f3 21.gf3 (21.Bf3 gf3 22.de6 fg2 23.Kg2 Ndf6+/–) 21...gf3+= 22.Bf3 (better is 22.Nf3!? Bh3 23.Rfc1+=) 22…Bh3+= (22...Bh3 23.Bg2 Qg5+=). Sternik,Ryszard – Kedzia,Tadeusz, Olsztyn Poland, 1986.

8.0–0 Bf5 9.Nc3 Re8 10.Nh4 Qd7 11.f4 Ne4 12.Ne4 Be4+= 13.d3 Bf5 14.e4 Qe7 15.Nf5 gf5 16.fe5 fe4 17.d4 de5= 18.Bh5 Rf8 19.de5 Qg5 20.Bf7 Rf7 21.Rf7 Kf7 22.Qd5 Ke8?? 23.Qg8+– (23...Bf8 24.Qg5 Bc5 25.Kf1+–) 1–0. Frenzel,Lothar – Hasler,Ulrich, corr SOK–88–25, 1988.

8.Nc3 e4 9.Nd4 =+.

8.Nc3 Re8 9.d3 (9.0–0 e4 10.Nd4 c5=) 9...Nbd7 (9...Bf5 10.0–0=) 10.0–0 Nc5 11.d4 ed4 12.ed4 (12.Qd4 Nfe4 13.Qg7 Kg7 14.Ne4 Kf8–/+) 12...Nce4 13.Re1 Nc3 (13...Bf5 14.Qa4=) 14.Bc3 Ne4 15.Bb2 b6 (15...Bf5 16.Qa4=) 16.Nd2 Bb7 17.Ne4 Be4 18.f3 (18.Bg4 d5 19.f3 Bf5 20.Bf5 Re1 21.Qe1 gf5+/–) 18...Bf5= 19.Bf1 (19.f4 Qf6=) 19...Qh4 20.Qd2 Bh6 (20...a4 21.Be2=) 21.Qc3 (21.Qf2 Qf6=) 21...Bg7 22.g3 Qg5 (22...Qf6 23.Bg2=) 23.Bg2 Rad8 24.Rad1 h5 (24...a4 25.f4 Qf6 26.Qf3=) 25.Bc1 (25.f4 Qf6+=) 25...Qf6 26.h4 (26.Be3 h4=) 26...Re1 (better is 26...Qd4! 27.Qd4 Bd4 28.Kh2 Bf2–/+) 27.Qe1= Qe6 (27...d5 28.Bg5 Qd6 29.Bd8 Qd8 30.c5+–) 28.Qe6+= Be6 29.Bf1 (29.d5 Bf5+=) 29...Re8 (29...d5 30.Bg5 Re8 31.Kf2=) 30.Kf2 Bf5 (30...Kf8 31.Be3+=) 31.Be3+= Bf6 32.c5 bc5 33.dc5+= dc5 34.Bc5 Re5 35.Be3 a4 36.Rd4 a3 37.Ra4+/– Be7 38.Ra8 Kh7 39.Bd4 Bc5 40.Bc5 Rc5 41.Ra3 Rc2 42.Ke3 Be6 43.Bd3 Ra2 44.Ra2 Ba2 45.Kd4 Be6 46.Bc4 Bd7 47.Bf7 Bb5+= 48.Kc5 Bd7 49.Bd5 Kg7 50.Bc6 Bc8 51.Be8 Bb7 ½–½. Kleiser,Gregor (2095) – Kostka,Alexander, Vienna op–C, 1996.

8.d4 ed4 9.Bd4 c5 +=.

8.d4 ed4 9.Bd4 Nbd7 =.

5.d4 ed4

6.ed4 g6 7.Bd3 Bg7 8.Qe2 Qe7 9.Qe7 Ke7 10.c4 Re8 11.Ne2 Kf8 12.0–0 (12.Nd2 Bh6=) 12...Bf5+= 13.Nf4 Bd3 14.Nd3 Nbd7 15.Nc3 (15.Nd2!?=) 15...Nb6–/+ 16.c5 Nc4 17.cd6 cd6 18.Rfe1 (18.Rac1 Nb2 19.Nb2 Rac8–/+) 18...Rac8 (18...Ng4!? 19.Ne2 Nb2 20.Nb2 Rac8–+) 19.Bc1 Nd7 20.Ne2 (better is 20.Re8 Re8 21.Kf1–/+) 20...Bd4?? (better is 20...Nc5 21.Ne5 Ne5 (21...de5?! 22.dc5 e4 23.Rb1–/+) 22.de5 Nd3–+) 21.Nd4+– Re1 22.Ne1 Nc5 (22...Kg7 23.g3+–) 23.Bh6+– Ke7 24.g3 f6 25.h4 Kf7 26.Bf4 (26.Rd1 a4+–) 26...Ne4 (26...Re8+/–) 27.Rc1+– g5 (27...d5 28.Nd3+–) 28.hg5 fg5 29.Be3 (29.f3 gf4 30.fe4 fg3+–) 29...g4 (better is 29...d5+–) 30.Nd3 Kf6 31.Ne2 d5 (31...Ke7 32.Ndf4+–) 32.Ndf4 Ke5 (32...Kf7+–) 33.Rd1 (33.Bd4 Kd6 34.Kg2 Rf8+–) 33...Rd8?? (33...Ne3 34.fe3 Nc3+–) 34.Bd4 Kd6 (34...Kf5 35.Ba1 Ne5 36.Nd5 Nf3 37.Kg2+–) 35.Bc3 (35.Nd5!? Ncd2 36.Bb6 Rc8+–) 35...Nc3 36.Nc3 Nb6 37.Ncd5 (37.Ncd5 Nd5 38.Rd5 (38.Nd5?! Kc5 39.Rc1 Kb5+–) 38...Ke7 39.Rd8 Kd8 40.Nd5+–) 1–0. Balcan,Ionel – Voiteanu,Gabriel (2105), ROM–ch sf Sovata, 2001.

6.ed4 Be7 7.Be2 0–0 8.Nf3 c6 9.c4 cb5 10.cb5 Bg4 11.0–0 Nbd7 12.h3 Bf3 13.Bf3 Rb8 14.Na3 d5 15.Nc2 Nb6 16.Ne3 h6 17.a4 Rc8 18.Qb3 Bb4 19.Rac1 Rc1 20.Rc1 Bd2 21.Rc5 Be3 22.Qe3 (22.fe3 Re8=) 22...Nc4 (better is 22...Na4!? 23.Rc2 Nb2 24.Rb2 Qb6–/+) 23.Qc3 Re8 24.Bc1 Re6 25.Bf4 b6 26.Rc6 Qe8 27.g4 (better is 27.Re6!? Qe6 28.Be5=) 27...Rc6–/+ 28.bc6 Qc6 29.Kg2? (29.Qc2 Ne4–/+) 29...b5 (better is 29...Qa4!? 30.Be5 Ne4–+ (30...Ne5?! 31.de5 Nd7 32.Qc8 Nf8 33.Bd5–/+)) 30.ab5–/+ Qb5 31.Be5 a4 (31...Ne5 32.de5 Nd7 33.Qc8 Nf8 34.Qd8–/+) 0–1. typ48 – skok48, kurnik, 2013.

6.Bd4 Be7 =.

6.ed4 d5

7.c4 Bb4 8.Nc3 (8.Bc3 0–0 9.c5 Re8 10.Be2 Ne4 11.Bb4 ab4 12.Nf3 Qf6 13.a3 Nc5–/+) 8...0–0 (8...Qe7 9.Qe2 Ne4 10.Rc1 dc4 11.Qe3 Nc3 12.Qe7 Ke7 13.Bc3 Rd8+=; 8...Ne4 9.Rc1 0–0 10.Bd3 Qg5 11.Be4 de4 12.Kf1 Re8 13.Qe2 Bf5–/+; 8...Bf5 9.Bd3 Ne4 10.Nge2 dc4 11.Bc4 0–0 12.0–0 Re8 13.Ne4 Be4=) 9.Bd3 dc4 10.Bc4 Ne4 11.Nge2 Qg5 12.g3 Nd6 13.Bd3 Nb5 –/+.

7.Bd3 A) 7...Bg4 A1) 8.f3 Be6 (8...Bd7 9.Ne2 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ba3 Be6 13.Bd6 Qd6=; 8...Bc8 9.Ne2 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ba3 Ba3 13.Na3 Qd6=) 9.Ne2 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ba3 Ba3 13.Na3 Qe7=; A2) 8.Be2 Bf5 (8...Qe7 9.Ba3 Qe6 10.Bf8 Kf8 11.h3 Bh5 12.Qd3 Nbd7 13.Nd2 Be2=; 8...Qd7 9.Bg4 Ng4 10.Qe2 Kd8 11.Nf3 Bb4 12.Kd1 f6 13.c3 Re8=; 8...Bb4 9.c3 Be2 10.Qe2 Be7 11.Ba3 Ne4 12.Be7 Qe7 13.Nf3 0–0=) 9.Nf3 Bd6 10.0–0 0–0 11.Ba3 Re8 12.Bd6 Qd6 13.Nh4 Bd7+=; A3) 8.Ne2 Be7 (8...Bb4 9.c3 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ba3 a4 13.Qd2 Qd7=; 8...Bd6 9.0–0 0–0 10.h3 Bh5 11.Re1 Re8 12.Ba3 a4 13.f3 Ba3=) 9.0–0 0–0 10.f3 Bd7 11.Re1 Re8 12.Ba3 c6 13.Be7 Qe7=; B) 7...Bb4 B1) 8.Nd2 0–0 (8...Bg4 9.Ne2 0–0 10.0–0 Re8 11.a3 Bd6 12.c4 Nbd7 13.h3 Be2=; 8...Qe7 9.Ne2 Ne4 10.Be4 de4 11.0–0 0–0 12.a3 Bd6 13.Nc3 f5=; 8...Bd6 9.Ngf3 Qe7 10.Ne5 Bg4 11.Qc1 0–0 12.0–0 Re8 13.Ng4 Ng4=) 9.Ne2 Re8 10.0–0 Ne4 11.Ne4 de4 12.Bc4 Nd7 13.c3 Bd6+=; B2) 8.Bc3 0–0 (8...Bg4 9.Ne2 0–0 10.f3 Be6 11.0–0 Re8 12.Qd2 Qd6 13.Re1 Nbd7=; 8...Ne4 9.Bb4 ab4 10.Nf3 0–0 11.0–0 Bg4 12.Re1 Re8 13.Re3 Nd7+=; 8...Bd6 9.Nf3 Qe7 10.Ne5 c5 11.bc6 Nc6 12.0–0 0–0 13.Re1 Qc7=) 9.Ne2 Bd6 10.0–0 c6 11.a4 cb5 12.ab5 a4 13.Bb2 Qc7+=; B3) 8.c3 Bd6 (8...Be7 9.Nf3 0–0 10.0–0 Re8 11.Re1 a4 12.Ba3 Ba3 13.Re8 Qe8=) 9.Nf3 Qe7 10.Be2 0–0 11.0–0 Re8 12.Re1 Bf5 13.Bd3 Ne4=.

7.Nf3 Bd6 8.Be2 (8.Qe2 Be6 (8...Be7 9.Ba3 Bf5 10.Be7 Qe7 11.Nbd2 Ne4 12.Ne4 Be4 13.Nd2 Nd7=; 8...Qe7 9.Qe7 Be7 10.Bd3 0–0 11.0–0 Re8 12.Re1 Bg4 13.Ne5 Be6=; 8...Kf8 9.Ne5 Bf5 10.c4 dc4 11.Qc4 Be6 12.Qc2 Nd5 13.Be2 Nb4=) 9.Ng5 Qd7 10.Ne6 fe6 11.Nd2 0–0 12.0–0–0 c6 13.b6 Ra6+=; 8.Bd3 Be6 (8...0–0 9.0–0 Re8 10.Nbd2 a4 11.Re1 Re1 12.Qe1 Nh5 13.c4 Nf4=; 8...Qe7 9.Be2 0–0 10.0–0 Re8 11.Re1 Bg4 12.Nbd2 Nbd7 13.h3 Be6=) 9.0–0 0–0 10.Re1 Re8 11.Ba3 Ba3 12.Na3 Qd6 13.Nb1 Nbd7=) 8...0–0 (8...Bf5 9.0–0 0–0 10.Ba3 Re8 11.Bd6 Qd6 12.Re1 Nbd7 13.Nbd2 Re7+=; 8...Bg4 9.0–0 0–0 10.Re1 Re8 11.Ba3 a4 12.Bd6 Qd6 13.Qd3 Nbd7+=; 8...a4 9.0–0 0–0 10.Ba3 Re8 11.Re1 Bf5 12.Nh4 Be6 13.Nf3 Ne4=) 9.0–0 Bf5 (9...Re8 10.Re1 Bf5 11.c4 dc4 12.Bc4 Nbd7 13.Ne5 Ne5–/+) 10.Nbd2 (10.Ba3 Re8 11.Bd6 Qd6 12.Re1 Nbd7 13.Nbd2 Re7+=) 10...Ne4 (10...Nh5 11.c4 Nf4 12.c5 Ne2 13.Qe2 Bf4=) 11.Ne5 (11.Ne4 Be4 12.c4 dc4= (12...Re8 13.c5 Bf4=) 13.Bc4 Nd7=) 11...Nd2 (11...Re8 12.Ne4 Be4 13.Bh5 Re7=) 12.Qd2 Nd7 (12...Qh4 13.Rfe1 Nd7=) 13.c4 (13.Bd3 Bd3=) 13...dc4 (13...Re8=) 14.Nc4 Bb4 (14...Nb6 15.Nd6 Qd6 16.Rac1=) 15.Qf4+/= Bg6 16.Rfd1 (16.Bf3 Bd3 17.Rfc1 Bc4 18.Rc4+=) 16...c6 (better is 16...Nb6!?=) 17.bc6+/– bc6 18.Bf3 Nb6 19.Rac1 (19.Ne5 Nd5 20.Qc1 Rc8+/–) 19...Be7 20.d5 (20.Bc6 Bg5 21.Qe5 Bc1 22.Rc1 Nc4 23.Rc4 Rb8+=) 20...Nd5 21.Bd5 (21.Qd4 Bf6 22.Qc5 Bb2 23.Nb2 Qf6 24.Qc6 Qc6 25.Rc6 Nb4=) 21...cd5= 22.Qe5 (22.Ne3 Be4 23.Qg4 Bf6 24.Bf6 Qf6 25.Nd5 Bd5 26.Rd5 g6=) 22...Bf6 (22...f6 23.Qd4+=) 23.Qd5= Bb2 24.Nb2 Qd5 25.Rd5 Rfd8 26.Rd8 Rd8 27.Nc4 Rc8 28.Re1 f6 29.Na5 Ra8 30.Nc6 Ra2 ½–½. Schorr,Leon – Rodriguez Gonzales,Jesus, Tel Aviv ol (Men) fin–C, 1964.

7.Nf3 Bf5 A) 8.Ne5 Bb4 (8...Nbd7 9.Bd3 Bb4 10.c3 Bd3 11.Nd3 Qe7 12.Qe2 Bd6 13.Ba3 Ba3+=; 8...Bd6 9.Bd3 Bd3 10.Qd3 0–0 11.0–0 Re8 12.Nd2 c6 13.Rfe1 Qc7=) 9.c3 Bd6 10.c4 Nbd7 11.c5 Be5 12.de5 Qe7 13.Qd4 Ng4+=; B) 8.Be2 Bd6 (8...Bb4 9.c3 Bd6 10.0–0 0–0 11.Ba3 Re8 12.Re1 a4 13.Bd6 Qd6=; 8...Be7 9.0–0 0–0 10.Re1 Re8 11.Bd3 Be4 12.c4 Bd3 13.Qd3 dc4=; 8...a4 9.0–0 Bd6 10.Re1 0–0 11.Bd3 Bd3 12.Qd3 Nbd7 13.Ba3 Ba3=) 9.0–0 0–0 10.Ba3 Re8 11.Bd6 Qd6 12.Re1 Nbd7 13.Nbd2 Re7+=; C) 8.Bd3 Bb4 (8...Bd3 9.Qd3 Bb4 10.Nc3 Qe7 11.Ne5 0–0 12.0–0 Nbd7 13.Rae1 Rfe8=) 9.Bc3 Ne4 10.Bb4 ab4 11.0–0 0–0 12.c3 bc3 13.Qc2 Re8=.

7.Nf3 Bg4 A) 8.Be2 Bd6 (8...Bb4 9.c3 Bd6 10.0–0 0–0 11.Re1 Re8 12.Ba3 Ne4 13.Bd6 Qd6=; 8...Be7 9.0–0 0–0 10.Re1 Re8 11.Qd3 Nbd7 12.Nbd2 Bd6 13.Ba3 Ba3=; 8...Nbd7 9.0–0 Be7 10.Re1 0–0 11.Ba3 Re8 12.h3 Ba3 13.Na3 Qe7+=) 9.0–0 0–0 10.Re1 Re8 11.Ba3 a4 12.Bd6 Qd6 13.Qd3 Nbd7+=; B) 8.Qd3 Bb4 (8...Bd6 9.Qe3 Be6 10.Bd3 0–0 11.0–0 Re8 12.Re1 a4 13.Ba3 Bf5=; 8...Nbd7 9.Be2 Bb4 10.c3 Be7 11.0–0 0–0 12.Ba3 Re8 13.Re1 Ne4=; 8...Bh5 9.Qe3 Be7 10.Bd3 0–0 11.0–0 Re8 12.Ne5 Bd6 13.Nd2 c6=) 9.c3 Bd6 10.Qe3 Be6 11.Bd3 0–0 12.Ba3 Ba3 13.Na3 Re8=; C) 8.Nbd2 Nbd7 (8...a4 9.Qe2 Be7 10.Ba3 Bf3 11.Be7 Qe7 12.Qe7 Ke7 13.Nf3 Re8=; 8...Qe7 9.Qe2 a4 10.c4 a3 11.Bc1 Qe2 12.Be2 Bb4 13.Rb1 Ra4=; 8...Be7 9.Bd3 0–0 10.h3 Bh5 11.0–0 Re8 12.Re1 a4 13.a3 Bd6=) 9.Qe2 Qe7 10.c4 dc4 11.Qe7 Be7 12.Bc4 Nb6 13.Bd3 Nbd5=.

7.c4 b6

8.Nc3 Bb4 9.Bd3 Be6 10.cd5 Nd5 11.Nge2 Nc3 12.Bc3 Bc3 13.Nc3 Qd4 +=.

8.Nd2 Bb4 9.a3 Qe7 10.Be2 Bd2 11.Qd2 dc4 12.Qg5 Bb7 13.Rc1 h6=.

8.Nf3 Bb4 9.Bc3 0–0 10.Be2 dc4 11.Bc4 Bb7 12.0–0 Bd5 13.Bd5 Qd5 =.

8.Nf3 Bb4 9.Nbd2 =.

8.Nf3 Nbd7 9.Bd3 Bb4 10.Nbd2 Qe7 11.Qe2 0–0 12.Qe7 Be7 13.0–0 ½–½. Rosner,Dirk – Handschock, corr 11.PV59, 1989.

8.Nf3 Nbd7 9.Bd3 Bb4 10.Nbd2 Qe7 11.Qe2 Bb7 12.0–0 Qe2 13.Be2 0–0–0 =.

8.Nf3 Nbd7 9.Qe2 Qe7 10.Nc3 Bb7 11.Qe7 Be7 12.Ne5 Bb4 13.a3 Bc3 =.

8.Nf3 Be6 9.Nbd2 Bb4 10.a3 Bd2 11.Nd2 0–0 12.Be2 dc4 13.Nc4 Bc4 =.

5.Be2 Be7

6.d3 0–0 7.Nf3 Nbd7 8.a4 Nc5 9.0–0 Nd5 10.c4 Nb4 11.d4 ed4 12.ed4 Ne4 13.Nbd2 Nd2 14.Qd2 c5 (14...Bf5 15.Bc3=) 15.Rad1 Bf5? (better is 15...Qc7+=) 16.dc5+– dc5? (16...Bc2 17.cd6 Bd1 18.Rd1 Bf6+–) 17.Qc3 Bf6 18.Rd8 Bc3 19.Rf8 Kf8 20.Bc3 Re8 21.Be5 f6 22.Bd6 Kf7 23.Bd1 Bd3 24.Re1 Bc4 25.Bc5 Rd8 (25...Nd3 26.Re8 Ke8 27.Ba3+–) 26.Bb6 (26.Bb6 Rd5 27.Ba5+–) 1–0. Badkarma – Doro, playchess.de, 2001.

6.d4 e4 7.d5 =.

5.Nf3 Nbd7

6.Nc3 A) 6...Be7 A1) 7.Be2 h6 (7...0–0 8.0–0 h6 9.d3 a4 10.a3 d5 11.Ra2 Bd6 12.Re1 Qe7; 7...d5 8.0–0 0–0 9.h4 Bd6 10.a4 Qe7 11.Qb1 Nb6 12.Qa2 Be6; 7...Nc5 8.0–0 0–0 9.d4 ed4 10.ed4 Nce4 11.Bd3 d5 12.Ne5 Nc3) 8.0–0 0–0 9.d3 a4 10.Qc1 d5 11.Ba3 Re8 12.Qb2 Nb6; A2) 7.a4 d5 (7...0–0 8.Be2 Nb6 9.0–0 h6 10.d3 Be6 11.e4 c6 12.h3 Qd7; 7...h6 8.Be2 0–0 9.0–0 d5 10.Qb1 Bd6 11.Ba3 Ba3 12.Ra3 Qe7) 8.Be2 0–0 9.0–0 Bd6 10.Ba3 Qe7 11.Bb2 h6 12.Re1 Nb6; A3) 7.a3 h6 (7...0–0 8.Bc4 e4 9.Nd4 Nc5 10.0–0 d5 11.Be2 Qd6 12.f4 Bd7; 7...d5 8.Be2 0–0 9.0–0 h6 10.Qb1 Bd6 11.Qa2 Nb6 12.Rad1 Be6) 8.Be2 0–0 9.0–0 d5 10.h3 Bd6 11.d3 Nb6 12.Qd2 Qe7; A4) 7.Bc4 0–0 (7...Nb6 8.Bd3 0–0 9.Qe2 h6 10.0–0 Be6 11.e4 a4 12.Ba3 Qd7; 7...h6 8.0–0 Nb6 9.Bd3 0–0 10.Qe2 Be6 11.a4 Nbd7 12.e4 Nc5; 7...e4 8.Nd4 Ne5 9.Be2 0–0 10.0–0 d5 11.f4 ef3 12.Nf3 Qd6) 8.0–0 h6 9.h3 Nb6 10.Bd3 a4 11.a3 Be6 12.Qe2 Nfd7; B) 6...e4 7.Nd4 Ne5 (7...Be7 8.d3 d5 9.de4 de4 10.Nf5 0–0 11.Be2 Nc5 12.Qd8 Bd8; 7...d5 8.f4 Nc5 9.Be2 Bd6 10.0–0 0–0 11.Qe1 Bd7 12.Qg3 h6; 7...Nc5 8.Be2 d5 9.0–0 Bd6 10.f3 0–0 11.Qe1 Qe7 12.a4 Bd7) 8.Be2 Be7 9.f4 ef3 10.Nf3 0–0 11.0–0 Be6 12.Ne5 de5; C) 6...d5 C1) 7.h3 h6 (7...Bd6 8.Be2 0–0 9.0–0 h6 10.a3 Nb6 11.d3 Qe7 12.Qd2 Bd7; 7...a4 8.a3 Bd6 9.Be2 0–0 10.0–0 h6 11.d3 Re8 12.Re1 b6) 8.a4 Bd6 9.Be2 0–0 10.0–0 Qe7 11.Re1 Nb6 12.d3 Bf5; C2) 7.Rc1 a4 (7...Bd6 8.Be2 0–0 9.0–0 a4 10.Rb1 h6 11.h3 Qe7 12.d3 a3) 8.Be2 Bd6 9.0–0 0–0 10.a3 Qe7 11.Ra1 Nb6 12.d3 Bd7; C3) 7.g3 e4 8.Nd4 Ne5 9.f4 ef3 10.Nf3 Bd6 11.Be2 Qe7 12.Ne5 Be5; C4) 7.Be2 Be7 (7...Bd6 8.h3 0–0 9.0–0 h6 10.d3 Nb6 11.Qd2 Qe7 12.a3 Bd7; 7...Bb4 8.0–0 0–0 9.d3 a4 10.a3 Bd6 11.g3 h6 12.Re1 Qe7; 7...h6 8.0–0 Bd6 9.d3 0–0 10.e4 d4 11.Na4 Qe7 12.c3 dc3) 8.h3 0–0 9.0–0 Bd6 10.a4 Qe7 11.d3 Nb6 12.Re1 h6.

6.Be2 Nc5 A) 7.a4 Be7 (7...g6 8.Nc3 Bg7 9.d4 ed4 10.Nd4 0–0 11.0–0 d5 12.Ba3 Qd6; 7...Bd7 8.Nc3 e4 9.Nd4 d5 10.Qb1 Bd6 11.Qa2 c6 12.0–0 0–0; 7...e4 8.Nd4 d5 9.Nc3 Bd6 10.0–0 0–0 11.f3 Bd7 12.Qe1 Qe7) 8.Nc3 0–0 9.0–0 h6 10.h3 e4 11.Nd4 d5 12.f3 Bd6; B) 7.0–0 Be7 8.Nc3 0–0 9.d4 ed4 10.ed4 Nce4 11.Bd3 d5 12.Ne5 Nc3; C) 7.Ba3 e4 (7...Be7 8.Bc5 dc5 9.Ne5 Qd5 10.Nf3 0–0 11.Nc3 Qd6 12.Bd3 Be6; 7...Ne6 8.Nc3 Be7 9.0–0 0–0 10.Bc4 e4 11.Nd4 Nd4 12.ed4 Re8) 8.Nd4 d5 9.Nc3 Bd6 10.0–0 0–0 11.Qe1 Bd7 12.f4 Nd3; D) 7.Nc3 Be7 8.d4 ed4 9.Qd4 Bf5 10.Bd3 Nd3 11.cd3 c5 12.bc6 bc6.

6.Be2 e4 7.Nd4 Be7 (7...d5 8.Nc3 Bc5 9.0–0 0–0 10.f4 ef3 11.Nf3 Nb6 12.Qe1 Re8; 7...Nc5 8.0–0 d5 9.f3 Bd6 10.fe4 Nce4 11.d3 Nc5 12.Nc3 0–0; 7...h6 8.Nc3 Be7 9.0–0 0–0 10.d3 Nc5 11.de4 Nfe4 12.Ne4 Ne4) 8.Nc3 0–0 9.0–0 Ne5 10.a4 d5 11.d3 Bd7 12.de4 de4.

6.Be2 g6 7.0–0 Bg7 (7...Bh6 8.Nc3 0–0 9.h4 Nc5 10.d4 ed4 11.Nd4 Qe7 12.h5 Bd7; 7...Qe7 8.Nc3 Bg7 9.d4 0–0 10.e4 ed4 11.Qd4 Re8 12.Nd2 c6) 8.c4 (8.Nc3 0–0 9.d4 ed4 10.ed4 Nb6 11.Re1 Re8 12.Bd3 a4) 8...0–0 9.Nc3 c6 (9...Nc5 10.d4 ed4 11.Nd4 Bd7 12.Bf3 Re8) 10.Rb1 (10.d4 Qc7 11.h3 ed4 12.Nd4 Nc5) 10...Re8 (10...Nc5 11.d4 ed4 12.Nd4 Bd7) 11.bc6 bc6 12.Ng5 (12.d4 Qc7) 12...h6 (12...e4 13.Qc2 Nc5 14.f3=; 12...Rb8=) 13.Nge4 Ne4 14.Ne4 Qc7 15.Bf3 (15.Ba3 c5+=) 15...Ba6 (15...f5 16.Ng3+=) 16.d3 d5 17.cd5 cd5 18.Ng3 (18.Nc3 d4 19.Nd5 Qd6+=) 18...Nf6 (18...Nc5 19.Be2+=) 19.Re1 (19.Qd2 Rab8=) 19...Rad8 20.Rc1 Qb6 21.Ba1 e4 (21...Rb8 22.Bc3+=) 22.Be2 Qd6 (22...ed3 23.Bd3 d4 24.Rb1+= (worse is 24.Bd4 Rd4 25.ed4 Re1 26.Qe1 Bd3–/+)) 23.Bd4 Rc8 (23...ed3 24.Bd3 Ne4 25.Bg7 Kg7 26.Ba6 Qa6= 27.Ne2=) 24.Rc8+/= Rc8 25.Bf6 Bf6 26.de4 Bc3 27.Rf1 Be2 28.Ne2+/– g5 29.f4 Bg7 30.ed5 Qc5 31.Qd3 Qc2 32.Qc2 Rc2+/– 33.Ng3 Ra2 34.Rd1 Kf8 35.e4?? f6?? 36.Rb1 Rd2? 37.Rb5 a4 38.Ra5 Rd4? 39.Kf2 Ke8 40.Ke3 Rb4 41.Ra8 Kf7 42.Ra7 Kg8 43.d6 Rb3 44.Kd4 f5 45.e5 Bf8 46.Ra4 Rb1 47.Kd5 Rd1 48.Rd4 Re1 49.Nf5+– 1–0. Suutarla,Ari – Hansroul,Jacques, IBCA–ol blind, 1976.

6.Be2 g6 7.Nc3 Bg7 8.h4 0–0 9.d4 a4 10.Qc1 ed4 11.ed4 Nb6 12.0–0 Re8.

6.Be2 g6 7.d4 ed4 8.Bd4 Bg7 9.Nbd2 0–0 10.0–0 c5 11.bc6 bc6 12.Rb1 c5 13.Ba1 Qc7 14.c4 Bb7 15.Qc2 Rab8 16.Rfd1 Rfe8 17.Ng5 Ne5 18.h3 Qe7 19.Ngf3 Nf3 20.Nf3 Be4 21.Bd3 Bf3 22.gf3 Nh5 23.Bg7 Ng7 24.Rb5 Qg5 25.Kh2 Qh4 26.f4 a4 27.Rdb1 Rbd8 28.Kg2 Ne6 29.Be2 f5 30.Rb7 a3 31.Qc3 Rc8 32.Bf3+– Rc7 33.Bd5 Rf7 34.Be6 Re6 35.Rb8 Rf8 36.Rf8 Kf8 37.Qh8 Kf7 38.Rb8 Qe7 39.Qg8 Kf6 40.Rf8 Qf8 41.Qf8# 1–0. Fournier,Frederic (2390) – Diogenes (1960), echecsemail.com (team), 2008.

6.Be2 g6 7.h3 Qe7 (7...Bg7 8.Nc3 0–0 9.0–0 Qe7 10.Ng5 Nb6 11.d3 a4 12.a3 Bd7; 7...Bh6 8.0–0 0–0 9.Nc3 Nb6 10.e4 Be6 11.Bc1 d5 12.ed5 Nfd5; 7...Nc5 8.Nc3 Bg7 9.d4 ed4 10.Nd4 0–0 11.0–0 a4 12.Ba3 Nfe4) 8.0–0 Bg7 9.Nc3 0–0 10.a4 Nb6 11.d3 Bd7 12.Qd2 Nbd5.

6.Be2 Be7

7.0–0 0–0 8.a3 c5 (8...Nb6 9.Nc3=) 9.d3 b6 (9...Nb6 10.c4=) 10.c4 Bb7 11.Nc3 Qc7 12.e4 Ne8 13.Nd5 Bd5 14.ed5 f5 15.Re1 Bf6 16.Nd2 e4 17.Bf6 Nef6 18.de4 fe4 19.Qc2 Rae8+= 20.Bf1 Re5 21.Ne4 Ne4 22.Re4 Ref5 23.Rae1 Ne5 24.f3 Qf7 25.Bd3 Nd3 26.Qd3+– Rf6 27.Re7 Qg6 28.Qg6 Rg6 29.R1e6 Rg5 30.Rd6 Rf3 31.Rb6 h5 32.Rc6 Ra3 33.g3 h4 34.Rc5 hg3 35.Rc8 Kh7 36.hg3 Rag3? 37.Kf2 Rg2 38.Ke3 a4 39.Ra8 a3 40.b6 a2 41.b7 R2g3 42.Kd4 R5g4 43.Kc5 Rb3 44.Ra2 Rg6 45.Rh2 Rh6 46.Rh6 Kh6 47.Re6 Kg5 48.Rb6 1–0. kamret (2090) – lomin (1765), GameColony.com, 2002.

7.0–0 0–0 8.Nc3 d5 9.d3 a4 10.h4 Bd6 11.a3 h6 12.Re1 Re8.

7.0–0 Nc5 8.Nc3 0–0 9.Re1 e4 10.Nd4 d5 11.f4 h6 12.Rf1 Qd6.

7.0–0 h6 8.c4 Nb6 9.d4 ed4 10.Nd4 0–0 11.Qc2 a4 12.a3 Bg4.

7.Nc3 h6 8.0–0 0–0 9.h3 Nb6 10.Bd3 Be6 11.Qe2 Nbd7 12.Bc4 e4.

7.h3 Nc5 8.Nc3 0–0 9.0–0 e4 10.Nd4 d5 11.f3 Qd6 12.Ba3 Bh3.

5.Nf3 Be7

6.a4 0–0 7.c3 Nbd7 8.d4 e4 9.Nfd2 d5 10.c4 c6 11.Nc3 Re8 12.Be2 cb5 13.ab5 dc4 14.Bc4 Bb4 15.0–0 Bc3 16.Bc3 b6? (better is 16...Nf8+=) 17.Qb3+– Qe7 18.Bb2?? (18.Bb4 Qd8+–) 18...Bb7? (better is 18...Nb8+=) 19.Ba3+– Qd8 20.Bf7 Kh8 21.Be8 Qe8 22.Rfc1 Bd5 23.Qd1 h6 24.Nc4 Qg6 25.Ne5 Qg5 26.Be7 (better is 26.Bd6!? Be6+–) 26...Ne5 27.Bf6 gf6 28.de5 Qe5 29.Rc2?? (better is 29.Qg4+–) 29...Bb3+= 30.Qc1?? Bc2–+ 0–1. elsh1403 – abelha2010 (1755), kurnik, 2011.

6.a4 0–0 7.c4 c6 8.Be2 Bg4 (8...e4 9.Nd4+=) 9.0–0= e4 10.Nd4 Be2 11.Ne2 (11.Qe2 d5=) 11...cb5 12.cb5 Nbd7 13.d4 ed3 (13...d5!?+=) 14.Qd3+= Ne5 15.Be5 (15.Qd4 Rc8+=) 15...de5= 16.Nbc3?? (better is 16.Qf5=) 16…Qd3–+ 0–1. horacyad2010 – gentle88, kurnik, 2013.

6.a4 0–0 7.d4 e4 8.Nfd2 d5 9.c4 c6 10.Nc3 Bb4 11.Be2 Bf5 12.0–0 Qd6 13.Qb3 Re8 14.Ba3 Ba3 15.Qa3 Qa3 16.Ra3 Nbd7 17.bc6 bc6 18.cd5 Nd5 19.Nc4 Nb4? (better is 19...Reb8!? 20.Nd6 Bg6+/–) 20.Nd6+– Be6 (20...Bg6 21.Ne8 Re8 22.Na2+–) 21.Ne8 Re8 22.Ne4 1–0. polynesia46 (1635) – wetal72, kurnik, 2013.

6.Bc4 0–0 7.0–0 Bg4 8.h3 Bh5 9.g4 Bg6 10.a4 Nfd7 11.d3 (11.Nc3!?=) 11...Nb6+= 12.Bb3 Kh8 (12...N8d7 13.Ba3+=) 13.e4 N8d7 14.c4 (14.d4!?+=) 14...Nc5–/+ 15.Bc2 h5 16.Nh2 hg4 17.hg4 Ne6 18.Bc1 Nd4 19.Be3 Nc2 (19...Qc8!?–/+) 20.Qc2+= c5 (20...Nd7!?+=) 21.Nc3 Kh7 22.f4 (22.Kg2!?+=) 22...ef4= 23.Bf4 Bf6 24.Nf3 Rh8 (24...Qd7 25.Qh2 Kg8 26.Rac1 Qg4 27.Qg3 Qg3 28.Bg3+=) 25.g5 Be7 26.Nd5 Nd5 27.cd5 Qd7 28.Qg2 Kg8 29.Kf2 Qh3 (29...Rf8!? 30.Rh1 Bh5+=) 30.Qh3+/– Rh3 31.Rh1 Rh1 32.Rh1 c4 33.Rc1 cd3 34.Ke3 f5? 35.e5?? d2 36.Kd2 de5 37.Ne5+/– Bb4 38.Kd3 Be8 39.Rc7+– b6?? 40.Nc6 Bf7 41.d6 Bd6 42.Bd6 Bb3 43.Be5 Ba4 44.Rg7 Kf8 45.Kc4 Re8 46.Rh7 Re6 47.Rh8 Kf7 1–0. Fabus,Marian (1815) – Sustek,Vladimir (2075), SVK–chT2C, 2005.

6.d4 e4 7.Nfd2 d5 8.c4 c6 9.bc6 bc6 10.cd5 cd5 (worse is 10...Qd5 11.Nc3 Qf5 12.Qc2+/–) 11.Bb5 Nbd7 12.0–0 0–0 13.Nc3 Ba6 14.a4 Bb4 15.Qe2 Qb6 16.Ba6 Qa6 17.Nb5 Rfc8 18.Rfc1 Rc1 19.Rc1 Rc8 (19...Nb6 20.Qd1 Na4 21.Qa4 Bd2 22.Nc7–/+) 20.Qd1 Nb6 21.Bc3 h5 22.h3 Nfd7 23.Bb4 (23.Qh5? Na4 24.Qd5 Nf6–+) 23...Rc1 24.Qc1 ab4 25.Qc7 Qa4 26.Qd8 Kh7 27.Nd6 Qd1 28.Nf1 b3 29.Qg5 Nf6 30.Nf7 (better is 30.g4=) 30...Nbd7–+ 31.Qf5 Kg8?? (better is 31...g6 32.Ng5 Kh6 33.Nf7 Kg7–/+) 32.Qg6= Kf8 33.Ne5 Ke7 34.Qg7 Ke6 35.Nd7 Nd7 36.Qg8 Kd6 37.Qa8 Qc1–/+ 38.Qa6 Ke7 39.Kh2 h4 40.Qe2?? b2–+ 41.Nd2 Qd2! 42.Qd2 b1Q 43.Qa5 Ke6 44.Qa6 Qb6 45.Qe2 Nf6 46.Qc2 Qa6 47.Kg1 Qc4–/+ 48.Qb2 Qc6 49.Qb8 Qc1 50.Kh2 Qd1 51.Qe5 Kf7 52.Qf4 Qh5 53.Kg1 Kg6 54.Qd6 Qf5 55.Qb8 Kf7 56.Qc7 Nd7 57.Qd8= Nf6 58.Qc7 Kg6 59.Qb8 Qh5 60.Qd6 Qg5 61.Qc7 Ng8 62.Qc6 Kf7 63.Qd7 Ne7 64.Qc7 Qf6 65.Qb8 Qe6 66.Qc7 Kg6 67.Qa7 Nf5 68.Qa8 Qd7 69.Qg8 Kf6 70.Qf8 Ke6 71.Qg8 Kd6 72.Qb8 Kc6 73.Qa8 Kb5 74.Qb8 Kc4 75.Qf8 Nd4 76.ed4+= Kd4 77.Qf6 Kd3 78.Qh4 d4 79.g4? Kc2–+ 80.g5 Qf5 81.f3?? d3 82.fe4 Qc5 83.Qf2 Qf2 84.Kf2 d2 85.Kf3 d1Q 86.Kf4 Kd3 87.h4 Kd4 88.e5 Qf1 89.Kg4 Ke5 90.Kh5 Kf5 91.Kh6 0–1. Lorenc,Tomas (2160) – Petran,Peter (2360), CZE–chT1W, 2007.

6.Be2 0–0 7.0–0 c6 8.c4 cb5 9.cb5 Nbd7 10.Nc3 b6 11.d4 Bb7 12.de5 de5 13.Na4 e4 14.Ne5 Ne5 15.Qd8 (15.Be5 Nd7 16.Bd4 Rc8=) 15...Rfd8 (worse is 15...Bd8 16.Be5 Rc8 17.Rac1+=; 15...Rad8?! 16.Be5 Rd2 17.Bc4=) 16.Be5 Nd5 17.Bc4 Bd6 (17...Rac8 18.Bb3 Bc5 19.Rfd1+= (19.Nc5?! Rc5 20.Rac1 Rdc8 21.Rc5 Rc5=)) 18.Bd6 (18.Bd4 Bc7+/–) 18...Rd6+= 19.Bd5 Bd5 20.Rfd1 Rad8 21.Rd4 Bb7 (better is 21...Bc4! 22.Rad1 Bd3 23.Nb6 Rd4 24.ed4 Bb5=) 22.Rad1+/– Rd4 23.Rd4 Rd4 24.ed4 Bd5 25.Nb6 Ba2 26.d5 (better is 26.Na4+/–) 26...Kf8= 27.d6 Ke8 28.Kf1 Bb1 29.Ke1 (29.Ke2 Bd3 30.Ke3 Bb5 31.Ke4 Bc6 32.Kd4 Bg2–/+) 29...Bd3–/+ 30.Nd5 Kd7 31.b6 Ba6 32.Nc3 f5 33.Nb5 Kc6 34.Nc7 Kd6?? 35.Na6+= Kc6 36.b7 Kb7 37.Nc5 Kc6 38.Na4 Kb5 39.Nc3 Kb4 40.Kd2 a4 41.Nd5 Kb3 42.Ne3 a3 43.Nf5= a2 44.Nd4 Kb2 45.Nc2 a1Q?? 46.Na1+– Ka1 47.Ke3 Kb2 48.Ke4 Kc3 49.f4 Kd2 50.g4 Ke2 51.f5 Kf2 52.g5 Kg2 53.f6 gf6 54.gf6 Kh2 55.f7 h5 56.f8Q h4 57.Qg8 h3 58.Kf3 Kh1 59.Kf2 h2 60.Qg2 (60.Qd5) 1–0. aferypopsl (1640) – tarnopov, playok.com, 2012.

6.Be2 0–0 7.0–0 c6 8.c4 Be6 9.d3 Qc7 10.a3 a4 11.Nc3 cb5 12.Nb5 Qb6 13.Rb1 Qc5 14.d4 ed4 15.ed4 Qc8 16.Qc2 Nbd7 17.Rfc1 h6 18.h3 Nb6 19.Bd3 Qd7 20.c5 dc5 21.dc5 Nbd5 22.Ne5 Qc8 23.c6 bc6 24.Nc6 Bd6 25.Nbd4 Bh3 26.gh3 Qh3 27.Bf5 Qh2 28.Kf1 Nf4 29.f3 Qh1 30.Kf2 Qg2 31.Ke1 Rfe8 32.Kd1 Qf1 33.Kd2 Re2 34.Ne2 Qe2 35.Kc3 Be5 36.Kb4 N6d5 37.Kc5 1–0. ejdrzej – kjan61, kurnik, 2014.

6.Be2 0–0 7.0–0 Nbd7 8.d3 Re8 9.c4 Bf8 10.Nc3 g6 11.Rc1 Bg7 12.Re1 Nf8 13.d4 e4 14.Nd2 Bf5 15.g4+/– Bd7 16.g5 Nh5 17.Nde4 f5 18.gf6 Nf6 19.Bf3 (19...Ne4 20.Be4+/–) 1–0. pcmvr (2645) – fhupp (2230), net–chess.com, 2006.

6.Be2 0–0 7.0–0 Nbd7 8.d4 ed4 9.Nd4 Nc5 10.Bf3 a4 11.c4 Re8 12.Nc3 a3 13.Bc1 Bf8 14.Nc2 g6 15.Ba3 Bg7 16.Bc5 dc5 17.a4 Bf5 18.Ra3 (18.Bb7 Qd1 19.Rfd1 Bc2+=) 18...Rb8 (better is 18...Qd1!? 19.Bd1 Bd3=) 19.Qd8+/– Red8 20.e4 Be6 21.Nd5 c6? (21...Nd7 22.a5 Ne5 23.Nce3+/–) 22.Nf6 (better is 22.bc6 Bd5 23.cd5 bc6 24.dc6+–) 22...Bf6+/– 23.Ne3 Rd2 24.Ng4?? (better is 24.Rd1!? Rd1 25.Bd1+/–) 24...Bd4 25.e5 Bg4 26.Bg4= Be5 27.Rb3 cb5 28.cb5 b6 29.f4 Bd4 30.Kh1 Re8 31.h3 h5 32.Bf3 c4 33.Rbb1 c3 34.Rfd1?? Bc5 35.Rd2–/+ cd2 36.Rd1 Re1 37.Kh2 Bd6 38.g3 h4 39.Rd2+= hg3 40.Kg3 Bc5 41.Rd8 Kg7 42.Bd5 Re7 43.Rb8 Re3 44.Kg4?? Re7 45.Ra8 Rc7 46.a5 ba5 47.Ra5 Rd7 48.Bc6 Rd4 49.Ra7?? Bd6 50.b6 Bf4 51.Kf3+/– Bb8 52.Ra8 Bd6 53.b7 Rb4 54.Bd5 Kf6 55.Rd8 Ke5 56.Bf7 g5?? 57.Bg6?? Rb7= 58.Kg4 Be7 59.Re8 Kf6 60.Kh5 Rb4 0–1. elsh1403 (1620) – aydahoe (1605), kurnik, 2013.

6.Be2 Qd7 7.0–0 0–0 8.c4 c6 9.a4 cb5 10.cb5 e4 11.Nd4 Nd5 12.Qb3 Nb4 13.Nc3 Bf6 14.Ne4 Be5 15.f4 Bd4 16.Bd4 (16.ed4 Qe7 17.Bf3 Be6+–) 16...d5 17.Ng5 Qd6 18.Rac1 Bf5 (18...Nd7+–) 19.Bc5 Qd8 20.Bf8 Qf8 21.Bf3 h6 22.Nh3 Bh3 23.gh3 Nd7 24.Bd5 Nc5 25.d4 (better is 25.Bf7 Kh8 26.Qc4 Na4 27.d4+–) 25...Nb3–+ 26.Rc7 (26.Bb3 Qe8 27.Rc3–+) 26...Nd5 27.Rb7 Ne3 0–1. elsh1403 – funtis (1735), kurnik, 2011.

6.Be2 e4 7.Nd4 0–0 8.0–0 c5 9.Nb3 (better is 9.bc6!? Nc6 10.Na3=) 9...a4–/+ 10.Nc1 d5 11.d3 d4 (better is 11...Be6!?–/+) 12.ed4+= Bf5 13.de4 Be4 14.dc5 Qd1 15.Bd1 Nbd7 16.Nd2 a3 17.Bf6 (17.Ne4?? ab2 18.Nf6 Bf6–+ (18...gf6?! 19.Rb1 bc1R 20.Rc1–+; 18...Nf6?! 19.Rb1 bc1B 20.Rc1–+)) 17...Bf6 18.Rb1 Nc5 19.Ne4 (better is 19.Ncb3!? Bd5 20.c4 Nb3 21.Bb3+=) 19...Ne4= 20.Rb4 Nd2 21.Re1 Bc3 22.Rbe4? (better is 22.Rh4=) 22...Ne4–+ 23.Re4 Rad8 24.Nd3 Rd5 25.Rc4 Rb5 26.Rc3 Rb1 27.g3 Rd1 28.Kg2 Ra8 29.Rb3 Rd2 30.Rb7?? (30.Rc3–+) 30...Rc2 31.Nb4 (31.Rb1 Ra2 32.Rd1 Rc2–+) 31...Rb2 32.Rb6 h5 33.Nd5 Ra2 (33...Ra2 34.Rb1 Rb2–+) 0–1. Hal1958 – Tiit145, playchess.de, 2005.

5.Nf3 Bg4

6.Be2 Qd7 7.a4 c6 8.Nc3 Be7 9.0–0 e4 10.Nd4 Be2 11.Qe2 cb5? (11...c5!? 12.Nb3 Qf5+=) 12.Qb5 (12.Ndb5?! Nc6+=) 12...Qb5 13.Ncb5 0–0? (13...Kd7!?+/–) 14.Nf5 Nc6 15.Nbd6 (15.f3!? ef3 16.Rf3 Ne8+–) 15...Bd6+/– 16.Nd6 Rfd8 17.Nb7 Rab8?? (better is 17...Rd2 18.Bf6 gf6+/–) 18.Nd8+– Rd8 19.Bf6 gf6 20.Rfd1 Nb4 21.c3 Nd3 22.Rab1 Rd5 23.Rb5 Rb5 24.ab5 Nc5 25.Ra1 Nb7 26.Kf1 Kf8 27.Ke2 Ke7 28.d4 Kd6 29.c4 f5 30.Kd2 h5 31.Kc3 f6 32.h4 Kc7 33.c5 Kd7 34.c6 (34.c6 Kc8 35.cb7 Kb7 36.d5 a4 37.d6 Kc8 38.b6 Kd7 39.b7 Ke6 40.b8Q f4 41.Qe8 Kd6 42.Rd1 Kc7 43.Qe7 Kb6 44.Kb4 fe3 45.Rd6) 1–0. Hal1958 – Evets, playchess.de, 2005.

6.Be2 Nbd7 7.d4 ed4 8.Nd4 Be2 9.Qe2 g6 10.0–0 Bg7 11.Nd2 0–0 12.c4 Re8 13.a4 Nc5 14.N2b3 Nb3 15.Nb3 Qd7 16.Rad1 Qe6 17.Nd4 Qd7 18.Qf3 Rab8 19.Rfe1 Ne4 20.Ba3 f5 21.Nb3 Qf7 22.Rc1 b6 23.Qd1 Rbd8 24.f3 Nf6 25.Nd4 d5 26.Nc6 Rd7 27.cd5 Nd5 28.Qb3 f4 29.e4 Ne3 30.Qf7 Kf7 31.g3 g5 32.h4 h6 33.hg5 hg5 34.gf4 gf4 35.Kf2 Bf6 36.Re2 Bh4 37.Kg1 Rg8 38.Kh1 Bg3 39.Ne5 Ke6 40.Nd7 Kd7 41.Rd2 Kc8 42.Bd6 Rh8 43.Kg1 Rh7 44.Be5 Kb7 45.Rd8 Bh2 46.Kf2 Bg3 47.Ke2 Rh2 48.Kd3 Rh7 49.Rg8 Rd7 50.Ke2 Ng2 51.Rg7 Rg7 52.Bg7 c5 53.bc6 Kc8 54.c7 Ne3 55.Be5 Ng2 56.Rc6 Ne3 57.Rh6 Nc4 58.Rh8 Kd7 59.c8Q Ke7 60.Qc6 Ne5 61.Rh7 Kf8 62.Qc8 1–0. elsh1403 (1650) – puskas (1870), kurnik, 2014.

6.Be2 Be7 7.0–0 Nbd7 8.c4 0–0 9.d4 e4 10.Nfd2 Be2 11.Qe2 Re8 12.Nc3 d5 13.Rfc1 Bb4= 14.Nd5 Nd5 15.cd5 Bd2 16.Qd2 Nf6 17.a4 Nd5 18.Ba3 Re6 19.Qa2 b6 20.Rc6 Rc6 21.bc6 Qg5 22.h4 Qh5–/+ 23.Qc4 Re8 24.Rb1 Nf6 25.Bd6? cd6–+ 26.c7 Qf5 27.Rb6= Ng4 28.Rb2 Rc8 29.Qa6+= Rf8 30.Qd6 g6? 31.Qc5+– Qe6 32.Qf8!! Kf8 33.Rb8 Kg7 34.c8Q Qd6 35.Qh8 (35...Kh6 36.Qf8 Qf8 37.Rf8+–; better is 35.Ra8!? Nf6+–) 1–0. Labahn,Wolfgang (2265) – Chlaifer,Roman, NRW–Liga I, 1994.

5.Nf3 g6

6.c4 Bg7 7.Qc2 0–0 8.Be2 Bf5 9.d3 e4 10.Nd4 ed3 11.Bd3 Bd3 12.Qd3 Ng4 13.Qe4 (13.Qe2 Qh4 14.h3 Nf6=) 13...Ne5 14.0–0 (worse is 14.Qb7 Nd3 15.Ke2 Nd7–/+) 14...Nc4 15.Qb7 Nd7 16.Nc6 Qg5 17.Bg7 Kg7 18.Qc7 Rfc8 19.Qd7 Qb5 20.Qg4 Rc6 21.Nc3 Qe5 22.Qe4 Rac8 23.Qe5 de5 24.Ne4 f5 25.Ng3 Nd2 26.Rfd1 Rc2 27.h4 Rb2 28.h5 Rcc2 29.Rdc1 Rc1 30.Rc1 Ra2 31.hg6 hg6–+ 32.Rc5 e4 33.Rc7–/+ Kf6 34.Rc6 Kg5 35.Ne2 Nf3 36.gf3 Re2 37.fe4 Ra2 38.e5 a4 39.f4 Kh6 40.Rc7 a3 41.e6 Re2 42.Ra7 a2 43.e7 Re3 44.Ra2 Re7 45.Kf2 Rb7 46.Ra3 Kh5 47.Rh3 Kg4–/+ 48.Rg3 Kf4 49.Rg6 Rb2 50.Ke1?? Kf3–+ 51.Rf6 f4 52.Rf8 Rb1 53.Kd2 Kg3 54.Rg8?? Kf2–+ 55.Rf8 f3 56.Rf7 Rb6 57.Kd3 Kg2 58.Rg7 Kf1 59.Rf7 f2 60.Kd2 Rb2 61.Kd1 Rb3 62.Kd2 Kg2 63.Rg7 Rg3 (63...Rg3 64.Rg3 Kg3 65.Ke3 Kg2 66.Kd4 f1Q 67.Ke5 Qe2 68.Kd6 Qd3 69.Ke7 Qe4 70.Kd7 Qd5 71.Kc7 Kf3 72.Kc8 Qc5 73.Kb7 Ke4 74.Kb8 Qe7 75.Kc8 Kd5 76.Kb8 Kc6 77.Kc8 Qc7) 0–1. Didicher,Dietmar (1610) – Ruell,Michael (1840), Hessen–ch Gr–D, 2008.

6.d4 Nbd7 7.Bc4 (7.de5 de5 8.Ne5 Bg7+/–) 7...ed4 8.Nd4 Bg7 9.0–0 0–0 10.Nd2 Nc5 11.a4 Be6 12.Qf3 d5 13.Ba2 (13.Bd3 Qd6=) 13...Nfe4 (13...Na4 14.Ba3 Re8 15.Bb3–/+) 14.Rfd1 (14.Ne6? fe6 15.Qg4 Bb2 (15...Nd2?! 16.Bg7 Nf1 17.Bf8 Nh2 18.Kh2 Qf8 19.Qd4–/+) 16.Ne4 Ne4 17.Qe6 Kg7–+) 14...Qd7 15.Bb3?? (better is 15.Ne4 Ne4 16.h3+=) 15...Bg4–+ 16.Qf4 Bd1 (better is 16...g5 17.Qg4 Qg4–+) 17.Rd1 Nb3 18.N2b3 c5 19.bc6 bc6 20.Ba3 Rfe8 21.c4 (21.Nc5 Qd6 22.Qd6 Nd6–+) 21...Be5 22.Qh4 c5 (better is 22...dc4 23.Nc5 Nc5 24.Bc5 Qd5–+) 23.Nb5 Nc3?? (better is 23...g5 24.Qh5 Qf5–+) 24.Nc3 Bc3 25.Nc5 Qd8 26.Qg4 Bb4 27.Rd5 Bc5?? 28.Bc5 Qb8 29.h4 Qb3= 30.h5 Qa4 31.Qd4 Qc6 32.h6 f6 33.Rd6 Rad8?? 34.Qf6 Qc7 35.Rd8 Rd8 36.Bd4 Rd4 37.Qd4 Qb7 38.c5 Qc6 39.Qd6 Qd6–+ 40.cd6 Kf7 41.e4 a4 42.Kf1 a3 43.Ke1 a2 44.Kd2 a1Q 45.Ke3 Qe5 46.f4 Qd6 47.e5 Qc5 48.Ke4 Ke6 49.f5 gf5 50.Kf4 Qd4 51.Kg5 Qe5 52.g4 Qg3 53.Kh5 Qg4 0–1. lllllll21 – peta1234 (1755), kurnik, 2013.

6.d4 e4 7.Nfd2 =.

6.Be2 Bg7

7.0–0 0–0

8.c4 c5 9.a4 b6 10.d4 e4 11.Nfd2 Qe7 12.Nc3 h5? (12...Ra7 13.d5+=) 13.Qc2 (better is 13.Nce4!? Ne4 14.Ne4+–) 13...Bf5+= 14.Nd5 (better is 14.Nb3!?+=) 14...Nd5+= 15.cd5 Nd7 (better is 15...cd4!? 16.Bc4 Rc8+=) 16.dc5+= Nc5 17.Bg7 Kg7 18.Nc4 Rab8 19.Qc3 f6 20.Rae1 (20.Qc2 Rfc8+=) 20...Rfc8 (20...Na4!? 21.Qa3 Nc5+=) 21.Qa1 Nd3 22.Bd3 ed3 23.Rc1 (23.e4 Bg4 24.Rc1 Qe4+=) 23...h4 (23...Rc5 24.Rfd1=) 24.Qd4 h3 (24...Qe4 25.Nd6 Qd4 26.ed4 Rc2 27.Nf5 gf5 28.Rc2 dc2+/–) 25.Nb6 (25.f3 hg2 26.Kg2 Rh8+/–) 25...Rc1 (25...hg2 26.Rfd1 Rc2 27.Rc2 dc2 28.Rc1=) 26.Rc1+= hg2? (26...d2 27.Rf1 Rb6 28.Qb6 Qe4 29.Qa7 Kh6–+) 27.Nc4+– Rc8 28.Rd1 g5 29.Na5 Kg6? 30.Nc6 Qh7 31.f4 Qh5 32.Ne7?? Kf7–+ 33.Ra1 Ke7 34.Qa7 Kf8 35.Qb6?? Qe2 36.Qd6 Kg7 37.Qe7 Kg6 (37...Kg6 38.fg5 Kh5 39.gf6 d2 40.Qh7 Bh7 41.h4 Rc1 42.Rc1 dc1Q 43.Kh2 g1Q 44.Kh3 Qce3#) 0–1. elsh1403 – ambra777, kurnik, 2012.

8.c4 Nbd7 9.a4 e4 10.Nd4 Nc5 11.Nc3 h5 12.f3 ef3 13.Bf3 Nd3 14.Qc2 Nb2 15.Qb2 Ng4 16.h3 Ne5 17.Bd5 Nd3 18.Qc2 Nb4 19.Qe4 Nd5 20.Nd5 Bd7 21.Rf2 c6 22.bc6 bc6 23.Nc3 Re8 24.Qf4 Qe7 25.Raf1 Rf8 26.Ne4 Be5 27.Qf3 c5 28.Nb5 Bc6 29.d4?? Be4–+ 30.Qe4 Bh2!! 31.Kh2 Qe4 32.Nd6 Qe3 33.Nf7 Qd4 34.Nh6 Kg7 35.g4 Kh6 36.gh5 Rf2 37.Rf2 Qf2 38.Kh1 Re8 (38...Re8 39.hg6 Re1; 38...Rd8 39.hg6 Rd1) 0–1. elsh1403 – kingghidorah (1805), kurnik, 2011.

8.d3 Nbd7 9.c4 Re8 10.Nbd2 Nc5 11.a4 Bf5 12.Qc2 e4 13.de4 Nce4 14.Ne4 Ne4 (worse is 14...Re4 15.Bd3 Re7 16.Bf5 gf5 17.Rad1+/–; 14...Be4?! 15.Qd2=) 15.Qc1 Nc5 16.Bg7 Kg7 17.Qb2 Qf6 18.Qf6 Kf6 19.Nd4 Re4 20.Nf5 Kf5 21.Rfc1 h5 22.Bf3 Re5 23.Rc3 Rae8 24.h3 Kf6 25.h4 b6 26.g3 Ne4 27.Be4 Re4 28.Kg2 R8e5 29.Rd1 Rc5 30.Rd4 Ke5 31.Rd5 Rd5–/+ 32.cd5 Ra4 33.Rc7 Rb4 34.Rf7 Rb5 35.Rg7 a4 36.Rg6?? a3 37.Rg5 Ke4 38.g4 a2 39.gh5 a1Q 40.h6 Rd5 41.Rg4 Kd3 42.Rg5 Rg5 43.hg5 Qe5 (43...Qe5 44.h7 Qg5 45.Kf1 Qh4–+) 0–1. ejdrzej (1765) – chupachichi (1835), kurnik, 2012.

8.d4 Nbd7 9.c4 Qe7 10.de5 de5 (worse is 10...Ne5 11.Ne5 de5 12.Ba3+/–) 11.Qc2 e4 12.Nd4 Nc5 13.Bc3 Bg4 14.Nd2 Rfd8 15.a4 Be2 16.Ne2 Ng4 17.Bg7 Kg7 18.h3 Qd6 19.hg4 Qd2 20.Rfc1 Qd7 21.Rd1 (21.Qc3!? f6 22.g5+=) 21...Qg4–/+ 22.Rd8 Rd8 23.Nd4 b6 24.Qc3 f6 25.Qc2 h5 26.Rd1 h4 27.Kh2 Nd3 28.Qe2 Qe2 29.Ne2 Rd6 30.Kg1 (30.Rf1 f5–+) 30...f5 31.Rd2 Kf6 32.Nc3 Ke5 33.Nd5 (33.f4 ef3! 34.gf3 Nb4 35.f4 Ke6–+) 33...Nb4 34.Rd1 (34.Kh2 Nd5 35.cd5 Rd5–+) 34...Nd5 35.cd5 Rd5 36.Rc1 Rc5 37.Rd1 Ke6 38.Rd8 (38.Rd4–+) 38...Rc4 39.Rg8 Ra4 (39...Kf6!? 40.Kh2 Ra4 41.Kh3–+) 40.Rg6 Ke5 41.Rc6 (41.Rh6 Ra1 42.Kh2 Rb1 43.f4 ef3 44.gf3 Rb5 45.Rh4 Rb3–+) 41...Rb4 42.Rc7 Rb5 43.Ra7 Kd5 44.Kh2 (44.f3 ef3 45.gf3 Kc4–+) 44...Kc4 45.Kh3 Kb4 46.Kh4 a4 47.Kg5 a3 48.Kf4 Ra5 (48...Ra5 49.Rd7 a2–+) 0–1. Ehrlich,Hans Georg (1930) – Peschel,Andreas (2145), NRW Class2, 2009.

8.d4 e4 9.Nfd2 Bf5 10.c4 Qe7 11.a4 Nbd7 12.Ba3 b6 13.Nc3 Rfe8 14.Qb3 Rad8 15.Rac1 h5 16.Bd1 Nf8 17.c5 dc5 18.dc5? (18.Nc4=) 18...Qe5?? (18...Rd2 19.cb6 Qd7 20.bc7 Be6–+ (worse is 20...Qc7 21.Ne4 Qd7 22.Nd2 Qd2 23.Bf3+/–)) 19.Nc4+= Qe6 20.cb6 cb6 21.Qa2 N8h7? (better is 21...Ng4+=) 22.Bb3+– Ng4 23.Na5?? (23.Nd6 Qe5 24.Bf7 Kh8+–) 23...Qf6?? (better is 23...Qe5 24.Bf7 Kh8=) 24.Nc6+– Ng5 25.Nd8 Qd8 26.Nd5 Qb8 27.Rc7 Be5 28.Ne7 Re7 29.Re7 Bh2 30.Kh1 Bd6 31.Rb7! Qb7 32.Bd6 Qd7 33.Rd1 Nf2?? 34.Qf2 Qe8 35.Qf4 Ne6 36.Qe5 Qc8 37.Be6 Be6 38.Bc7 Qb7 39.Qd6 h4 40.Qc6 (40.Qc6 Qc6 41.bc6+–; 40.Qd8 Kh7 41.Qh4 Kg7 42.Be5 f6 43.Qf6 Kg8 44.Rd8 Kh7 45.Rh8#) 1–0. elsh1403 – silnygarnek (1735), kurnik, 2011.

8.d4 e4 9.Nfd2 Bf5 10.c4 Qe7 11.Nc3 Nbd7 12.a4 (better is 12.g4!? Ng4 13.Bg4+/–) 12...h5+= 13.Ba3 White prepares c5 13...b6 14.Rc1 Rfe8 15.c5 dc5 16.dc5 Nc5 17.Nb3 Rad8 18.Qc2 Qe5 (18...Nfd7 19.Nd4=) 19.Nc5 (better is 19.Bc5!? bc5 20.Na5+/–) 19...bc5= 20.Bb2 Ng4 21.g3 h4 22.Rfd1? (better is 22.Nd1 Qd6 23.Bg7 Kg7 24.Qc5 Qc5 25.Rc5+=) 22...hg3–+ 23.hg3 Ne3! 24.Rd8? Nc2 25.Re8 Qe8 26.Rc2 e3 27.Rc1 ef2 28.Kf2 Bd4 29.Kg2 Be4 30.Ne4 Qe4 31.Bf3 Qe3 32.Rb1 Qf2 33.Kh3 Qf3 (33...Qf3 34.Bd4 Qf5 35.Kg2 Qe4 36.Kh2 Qb1–+) 0–1. elsh1403 – silnygarnek (1720), kurnik, 2011.

4.Nf3 g6

5.c4 Bg7 6.g3 0–0 (--> 1.b4 a5 2.b5 Nf6 3.Bb2 g6 4.c4 Bg7 5.Nf3 0–0 6.g3 d6).

5.e3 e5 6.Be2 =.

5.e3 Bg7 6.Be2 0–0 7.a4 c5 8.c4 Nbd7 9.d3 Nb6 10.Nbd2 Ne8 11.Bg7+= Ng7 12.0–0 d5 13.Qb3 dc4 14.dc4 Nd7 15.Rfd1+/– b6 16.Ne4 Bb7 17.Neg5 Qc7+= 18.Ra2 h6 19.Nh3 Rad8 20.Rad2 Nf6 21.Nf4 Rd2 22.Rd2 Rd8 23.Rd8 Qd8 24.Qc2 g5 25.Nd3+= Be4 26.Nfe5 Qd6 27.Qc3 Nd7 28.Nd7 Qd7 29.f3 Bd3 30.Bd3 Nf5 31.Kf2 f6 32.Qc2 e6 33.Bf5+= ef5 34.g3 (34.Ke2 Kg7+=) ½–½. Bibas,Gratuliano JN – Veloso,Jose Geraldo, corr BRA CBI–A, 1980.

5.Bf6 ef6

6.d4 d5 7.e3 =.

6.d4 Bg7 7.c4 0–0= 8.Nc3 Re8 9.e3 Bg4 10.Bd3 Nd7 11.h3+/– Bf3 12.Qf3 b6 13.Be4 Rb8 14.0–0 Re6 15.Bd5 Re7 16.Bc6 f5 17.Nd5 Re6 18.Rfe1 Nf6 19.Nf6 Qf6+/– 20.Rad1 Rd8 21.Bd5 Re7 22.a3 ½–½. Woschkat,Karl_Heinz – Gnuechtel,Andreas, CiF, 1992.

6.e3 Be6 +=.

6.e3 Bg7 +=.

4.f4 Nbd7

5.e3 e5 6.fe5 (6.Nf3 ef4 7.ef4 Be7=) 6...de5+= 7.a4 c5 (7...e4 8.Bc4+=) 8.bc6+= bc6 9.Nf3 Qc7 10.Bc4 Bd6 11.Ng5 0–0 12.e4 (12.Nc3!?+=) 12...Nb6 13.Bb3 (13.Bd3 Rb8–/+) 13...Bg4–+ 14.Qc1 h6 15.h4? (better is 15.Nf7 Rf7 16.Bf7 Qf7 17.Nc3–/+) 15...hg5–+ 16.hg5 (16.d3 gh4 17.Qg5 h3 18.gh3 Bf3–/+) 16...Ne4 17.Rh4 (17.g6 Nd5 18.Nc3 Nec3 19.Bc3–+) 17...Qd7 18.g6 Qf5 (18...Qf5 19.Bf7 Rf7 20.gf7 Kf7 21.Bd4 ed4 22.Rg4 Qf2 23.Kd1 Qf1) 0–1. Nilsson,Nils Roland – Folkunger,Sven, corr SSKK 2–756, 1991.

5.Nf3 d5 =.

5.Nf3 e6 6.c4 Be7 7.e3 0–0 8.Be2 c5 9.0–0 b6 10.Nc3 Bb7 11.Qc2 Rc8 12.d3 Ng4 13.Qd2 f5 14.h3 Ngf6? 15.Ng5+/– Qe8 16.Ne6 Qg6? 17.Bf3 Bf3 18.Nf8 Rf8 19.Rf3 Nh5 20.Nd5 Bh4 21.Rd1 Re8 22.d4 Re6 23.Nc7 Re7 24.dc5 Nc5 25.Qd5 Kf8 26.Na8 Ne4 27.Ba3 Bf2 28.Rf2 Nf2 29.Bd6 Nd1 30.Be7 Ke7 31.Qd1 Ng3 32.Qd5 Ne4? 33.Qb7 Kf8 34.Qc8 Ke7 35.Qc7 Kf8 36.Qd8 Kf7 37.Nc7 (37...Nf6 38.Nd5 Nd5 39.cd5+–; 37.Nb6 Qe6+–) 1–0. Kjaerstad,Eivind J – Johansen,Th, corr Norway, 1968.

5.g3 e5=+ 6.fe5 de5 7.Bg2 Bc5 8.e3 Qe7 9.Nf3 e4 10.Nd4 Ne5 11.0–0 Bg4 12.Qe1 0–0–0 13.Nf5= Bf5 14.Rf5 Nc4 15.Bf6 gf6 16.Qf2 Rd2 1–0. Neuhof – Gustafsson, corr ICCF (year?).

5.Nf3 e5

6.fe5 de5 7.Be5? Ne5 8.Ne5 Qd4 9.Nf7 Qa1?! 10.Nh8 Qa2 11.e4 –+.

6.fe5 de5 7.Be5? Ne5 8.Ne5 Qd4 9.Nf7 Kf7?! 10.c3 Qe4 11.d3 –+.

6.fe5 de5 7.Be5? Ne5 8.Ne5 Qd4 9.Nf7 Ng4 –+.

6.fe5 de5 7.Ne5 Ne5 8.Be5 Ng4 9.Bg3 Bd6 10.Nc3? Bg3 11.hg3 Qf6 12.Qb1 Qf2 13.Kd1 Qg3 14.Kc1 Qe1 (15.Kb2 Qd2–+) 0–1. Kaulich,KH – Lederer,Gerhard, corr, 1970.

4.f4 e5

5.fe5 Ng4 6.Nf3+= de5 7.e4 Bc5=+ 8.d4 Bb6 9.Na3 ed4 10.Bd4= Qe7 11.Bb6 Qa3 12.Bd4+= Ne3 13.Qd2 Nf1+= 14.Rf1 0–0 15.Qg5 f6 16.Qd5 Kh8 17.Kf2 Qd6 18.c4 Be6 19.Bc5 Bd5 20.Bd6 cd6 21.ed5 Nd7+= 22.Rfe1 Ne5 23.Ne5 fe5 24.Ke3 Rf4 25.Rac1 b6 26.Rf1 Raf8 27.Rf4 Rf4 28.Rc2 Kg8 29.Kd3 Kf7 30.g3 Rg4 31.Rf2 Ke7 32.Rf1 h5 33.Rg1 h4 34.Rg2 g5 35.Rg1 e4 36.Ke3 Kf6 37.Rf1 Ke5 38.Rg1 Kf5 39.c5? hg3 40.cd6? gh2–+ 41.Rh1 Rg3 42.Ke2 Rd3 43.Rh2 Rd5 44.Rh6 Rb5 45.d7 Rd5 46.Rb6 Rd7 47.Rb5 Kf4 48.Ra5 g4 49.Ra8 Rd3 50.Rf8 Kg3 51.Rg8? Ra3 52.Rg7 Ra2 53.Ke3 Kh3 54.Kf4 Rf2 55.Ke4 g3 56.Ke3 Kh2 57.Rg8 Rf7 58.Rh8 Kg1 59.Ke2 g2 60.Rh6 Re7 61.Kd3 Re5 62.Rh8 Kf2 63.Rf8 Ke1 64.Rg8 Re2 65.Rg7 Kf1 66.Rg8 Rf2 0–1. Gerber,Klaus – Mayer,K, corr ICCF EU–ch M, 1960.

5.fe5 de5

6.e3 unclear.

6.Be5? Ng4

7.Bb2 Bd6–/+ 8.e3 Qh4 9.g3 Bg3 10.Ke2 –/+.

7.Bb2 Bd6–/+ 8.Nf3 Bh2!–/+ 9.e3?? Bg3–+ 10.Ke2 Nf2 11.Qc1 Nh1 12.Bg7 Rg8 13.Qb2 Bg4 14.Kd1 Bf3 15.gf3 Qg5 16.Bf6 Qh5 17.Qd4 Nf2 18.Kc1 Nd7 19.Nc3 Nf6 (20.f4 Qf5–+) 0–1. Sundin,Thommy – Nilsson,H, Sweden ch Sundsvall, 1989.

7.Bb2 Bd6–/+ 8.Nf3 Nh2 9.d3 Qe7 10.Nc3 Bg3 11.Kd2 Bf4 12.Ke1 Bg4 13.Rh2 Bg3–+ 14.Kd2 Bf3 (15.Kc1 Be2 16.Qe2 Bh2 17.Qe7 Ke7–+) 0–1. Ziems,Ernst – Kremer, corr, 1957.

7.d4 Ne5–/+ 8.de5 Qh4 9.g3 Qb4 10.Nd2 Qb5 11.Ngf3 Nc6 12.c4 Qc5 13.Qc2 Qe3 14.Qd3 Bc5 15.Qe3 Be3 16.Rc1 0–0 17.Rc3 Bc5 18.a3 Re8 19.Rd3 Bf5–+ 20.e4 Ne5 21.Ne5 Re5 22.Rd5 Rae8 23.Re5 Re5 24.Kd1 Bd7 25.Nb1 Bg4 26.Be2 Re4 27.Bg4 Rg4 0–1. Schiffler,L – Smith,Olle, corr, 1955.

7.Nf3 Ne5 8.Ne5 Qd4.

7.Bg3!? Bd6 8.Bd6 Qd6 9.Nc3 =+.

7.Bg3 Bd6 8.Bd6 Qf6 9.Bg3 Qa1 10.Nc3 Qd1 11.Nd1 c6 12.e4= Be6 13.Nc3 Nd7 14.Bd6 Nge5 15.d4 Nc4=+ 16.Bf4 Na3 17.Kd1 Nb6 18.Nf3= cb5 19.Nb5 Nb5 20.Bb5 Bd7 21.Bd3 0–0 22.Bc7 Na4+= 23.Ne5 Nb2 24.Kd2+= Nd3 25.Kd3 Ba4 26.c4 f6 27.Nf3 b5 28.c5+/– b4 29.Kc4 Bc2 30.Nd2 Rfe8 31.e5 Ra6 32.Bd6 h5 33.Re1 fe5 34.Re5 Re5 35.Be5 Bf5 36.d5 ½–½. Nemec,Zdenek – Skula,Eugen, CSSR ZK, 1990.

7.Bg3 Qf6 8.c3 Bd6 9.Nf3 0–0?? 10.Bd6+= Qd6 11.e3 Re8 12.Be2 Nd7 13.Qc2 Nc5 14.Ng5 g6= 15.Bg4 Bg4 16.0–0+= f6 17.Nf3 Nd3 18.c4 Bf5 19.Nd4+= Be4 20.Nc3 Nc5 21.Ne4+/– Re4 22.Rf3?? Rae8?? 23.Raf1+/– f5 24.Rf4 R8e7 25.Nf5 gf5+= 26.Rf5 R4e6?? 27.Qc3?? Re8+/– 28.R1f3 Ne4=+ 29.Qa5 Nd2 30.Rg3 Rg6 31.Rg6 hg6 32.Rd5 Nc4 33.Rd6 Na5 34.Rg6 Kh8 35.Rg3 Nc4 36.Kf2 Ra8–/+ 37.a4 Ra4 38.Rg4 Ra2–+ (39.Kg3 Ne3–+) 0–1. Dommaschk,J – Hasler,Ulrich, corr, 1992.

4.f4 g6

5.e3 Bg7 =.

5.Nf3 Bg7

6.e3 0–0 7.Bc4 Nbd7 8.a4 d5 9.Be2 c5 10.c4 Nb6=+ 11.Na3 Ne4 12.Bg7= Kg7 13.Qc2 Be6 14.0–0 f6 15.Rad1 Rc8 16.d3= Nd6 17.e4 de4 18.de4+= Qc7 19.Nh4 Rcd8 20.Bd3 Bg4 21.Rde1 e5 22.Nb1 Nf7 23.Nc3= ef4 24.Nd5 Nd5 25.ed5= Ne5 26.Be2 Rfe8 27.h3 Bc8 28.Bd1 g5 29.Nf3 b6 30.Qc3 Bf5 31.Bc2? Nf3–+ 32.gf3 Bc2 33.Qc2 Re3 0–1. Vogel,Frank – Lippstreu,Guenter, corr DDR–ch7 sf, 1972.

6.e3 0–0 7.Be2 a4 =.

6.e3 0–0 7.Be2 c5 8.c4 b6 9.0–0 Bb7 10.Nc3 Nbd7 11.Qc2 e6 12.Kh1 Qc7 13.e4 (better is 13.Rab1!?=) 13...Ne4–/+ 14.Ne4 Bb2 15.Qb2 Be4 16.Qc3 Bb7 17.Nh4 Rae8 18.Qh3 d5 19.d3 e5 20.f5 Nf6 21.Kg1 e4 22.g4? (22.de4 Qe5 23.fg6 fg6 A) 24.cd5?? Qd4 (24...Ne4?! 25.Rf8 Rf8 26.Qe6 Qe6 27.de6–/+; 24...Qe4?! 25.Bf3 Qe3 26.Kh1–+) 25.Kh1 Ne4–+ (25...Qe4?! 26.Bf3 Qe5 27.Rad1–/+; 25...Re4?! 26.Rad1 Qa4 27.Ng6 hg6 28.Qh6–/+); B) 24.Rae1 Qd4 25.Kh1 Ne4 26.Rf8 Kf8 27.Qf3 Kg8 28.Rf1–+) 22...Qe5–+ 23.de4 (23.Qe3 ed3 24.Qe5 Re5 25.Bd3 Ng4–+) 23...Qd4 24.Kg2 Re4 25.Bf3 dc4 26.Be4 (26.Kh1 Ng4 27.Be4 Be4 (worse is 27...Qe4 28.Nf3–+) 28.Nf3 Qa1–+) 26...Ne4 (26...Be4?! 27.Nf3 Qb2 28.Kh1 Qb5 29.Rac1–+) 27.Nf3 Ng5 28.Rad1 Qc3 (28...Nf3?! 29.Rd4 Ng5 30.Kg3 Nh3 31.Rd7–+) 29.Qg3 Qc2 (29...Qc2 30.Kg1 Nf3 31.Rf3 Qd1 32.Rf1 Qd4 33.Qf2 Qd5–+) 0–1. Urgelles Paumier,A – Santana Peideaate,G, 3689 J.R. Capablanca IM /2000 G–2, 2002.

6.e4 0–0 7.Bf6 ef6 =+.

6.g3 Bg4 7.Bg2 c6 8.a4 Nbd7 9.bc6 bc6 10.Nd4 Qb6 11.Qc1 d5 12.e3 Rb8 13.Nb3 Nc5 14.Ra3 Bf5 15.Bd4 Nb3=+ 16.Rb3 Qd8 17.Qb2 0–0 18.d3 Rb3 19.Qb3 Qb8 20.Nd2= Ng4 21.Bb6 e5 22.h3+= ef4 23.hg4 fe3 24.Nf1 e2 25.Ke2 Bg4 26.Kf2+/– Qe5 27.Ne3 Re8 28.Ng4 Qe2+= 29.Kg1 Qg4 30.Bf2 Be5 31.Rh4 Qd1= 32.Kh2 Rb8 33.Qa3 Qc2 34.Qc5 Qc5 35.Bc5 Rb3 36.Bf1 Rb1 37.Kg2 g5 38.Rh1 Kg7 39.d4 Rb2=+ 40.Kh3 Bf6 41.Ba6 Rd2 42.Bb7 h5 43.g4 Bd4 44.Bd4 Rd4–+ 45.Bc6 Rg4 46.Rd1 Rc4 (46...d4 47.Rc1–+) 0–1. Neuhof,KE – Ude,HE, corr ICCF EU/M/Gr/180 (year?).

4.Bf6 ef6

5.Nc3 d5 6.e3 Ba3 7.Bd3 Be6 8.Nge2 Nd7 9.Nd4 Ne5 10.0–0 Nd3 11.cd3 0–0 12.f4 f5 13.Rf3 Re8 14.Rg3 Qf6 15.Rb1 Bc5=+ 16.Nce2 Bb6 17.Qa4 Re7 18.Rc1 Rd8 19.Nb3 Bc8 20.Qa3 Qd6 21.Nc5 Qf6 22.Nd4 h6 23.Qc3 Kh7 24.Rc2 Rde8 25.a4 Ba7 26.Rh3 Bb6 27.Rc1 Ba7 28.Ncb3 Bb6= 29.Qc2 Qd6 30.Nc5 Ba7 31.Nf3 Bb6 32.Rg3 Bc5 33.Qc5 Qc5 34.Rc5 Be6 35.Nd4 h5 36.Rf3 Rd8 37.Rf1 Rd6 38.Rfc1+= Rdd7 39.R5c2 g6 40.Nb3+= b6 41.Nd4 Kg7 42.Kf1 h4 43.Ke2 Kf6 44.Nc6 Re8 45.Ne5 Rde7 46.Rc7 Rc7 47.Rc7 Re7 48.Rc6+– Rb7 49.Nf3 h3 50.gh3 (50...Ke7 51.d4+–) 1–0. Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–04.07 TSC, 2003.

5.c4 Be6 6.e3 =+.

5.Nf3 d5 =.

5.f4 d5 6.e3 =+.

5.f4 f5 6.Nf3 g6 7.a4 Bg7 8.Ra3 Be6 9.Qc1 c6 10.c4 cb5 11.ab5 0–0 12.d4 Nd7?? 13.d5+/– Bd5 14.cd5 Nf6 15.Nc3 Rc8 16.Qd2 Rc3? 17.Qc3+– Nd5 18.Qc4 Nb4 19.e3 Qc8? 20.Qc8 Rc8 21.Kf2 Rc1 22.Ra5 Bc3 23.Ra8 Kg7 24.Ra7 b6 25.Rb7 Nd3 26.Bd3 Rh1 27.Bf1 Bb4 28.g3 (28.Rb6 Bc5 29.Rc6 Be3 30.Ke3 Rf1+–) 1–0. Kleinke,Uwe – Hermann,G, corr DDR–ch I730, 1979.

5.c4 g6

6.Nc3 Bg7 7.e3 0–0 8.g3 f5 9.Bg2 Nd7 10.d4 Nf6 11.Nge2 Re8 12.Qd3 Rb8 13.0–0 h5 14.h4 Bd7 15.Rad1 c6 16.a4 Qe7 17.Rfe1 Bh6 18.Bf3 Kg7 19.Nf4 Rh8 20.bc6 bc6+= 21.d5 c5 22.Nb5 Kh7 23.e4?? Bf4–/+ 24.gf4 fe4 25.Be4=+ Ne4 26.Re4 Qh4 27.Qg3 Qg3 28.fg3=+ Bb5 29.ab5 Rhe8 30.Re8 Re8 31.Kf2 Kg7 32.Ra1 Ra8 33.Ke3 Kf6 34.Ke4 a4 35.Ra3 Ra7 36.Kd3 Kf5 37.Ke3 Ra8 38.Kf3 f6 39.Kf2 h4–/+ 40.Kf3 hg3 41.Kg3 Ke4 42.b6 Kd4 43.b7 Rb8 44.Ra4 Rb7 45.Kg4 Rb1 46.Ra6 f5 47.Kg5 Kc4 48.Rd6 Rd1 49.Kg6 Rd5 50.Rd5 Kd5 51.Kf5 c4 52.Kg6 c3 53.f5 c2 54.f6 c1Q 55.f7 ½–½. Bulcourf,Carlos (2295) – Emma,Jaime, Buenos Aires BCA op, 1988.

6.e3 Bg7 (6...f5 7.d4=) 7.d4+= 0–0 8.Bd3 c5 (8...Re8 9.Qf3+=) 9.Ne2 (9.bc6 bc6 10.Nf3 f5+=) 9...cd4 (9...Re8 10.Nbc3+=) 10.ed4 b6 11.0–0 Bb7 (11...f5 12.Nbc3+=) 12.Nbc3 (12.Qd2 f5+=) 12...Nd7 (12...f5 13.Qd2=) 13.Be4 (13.Qd2+=) 13...Qc7 (better is 13...Be4!? 14.Ne4 f5+=) 14.Nd5 Bd5 15.Bd5 (15.cd5?! Rae8 16.Rc1 Qb8=) 15...Rac8 16.Re1 (16.Nc3 f5+/–) 16...f5 17.Nf4 (17.Nc3 Qd8+/–) 17...Nf6 18.Bc6 Qd8 (18...d5!? 19.Nd5 Nd5 20.cd5 Qf4+/–) 19.Rb1 (19.Rb1 Qc7 20.Rb2+–; 19.Qd3 Ng4+–) 1–0. Rosner,Dirk – Hilton,Stephen, CiF, 2000.

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  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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