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TESTF200 Release 2017-09-25
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(c) Marek Trokenheim

1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6

(...)

5.a3 Ba5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.a3 Ba5 5.c4 Nc6).

5.Bb2 Na5 6.e3 b6 7.a3 Bc5 8.d4 Be7 9.Nd2 d5 10.Ngf3 Ba6 11.Rc1 0–0 12.Be2 Ne4 13.0–0 c6 14.cd5 Be2 15.Qe2 Nd2 16.Nd2 Qd5 17.Ra1 Bf6 18.Rfc1 c5 19.e4 Rfe8 20.Qd3 Qd8 21.Nf3 c4 22.Qe3 Nb3 23.Rc4 Na1 24.Ba1 Rc8 25.Rc8 Qc8 26.e5 Be7 27.Bb2 Qc2 28.Bc1 Rc8 29.Bd2 Ba3 30.Qa3 Qb1 31.Ne1 a5 32.d5 Rc5 33.Qf3 Qb2 34.d6 g6 35.Qa8 Kg7 36.Bh6 Kh6 37.Qf8 Kg5 38.f4 Kf4 39.Qf7 Ke4 40.Qf3 Kd4 41.Qd3 Ke5 42.d7 Rd5 43.Nf3 Ke6 44.d8Q Rd3 45.Qd3 Qf6 46.Kf2 Ke7 47.Qb5 g5 48.Qg5 Qg5 49.Ng5 a4 50.Nf3 a3 51.Nd2 Kd6 52.Nc4 Kc5 53.Na3 Kb4 54.Nb1 Kb3 55.Nd2 Kc3 56.Ke3 b5 57.g4 h6 58.h4 Kb4 59.g5 hg5 60.hg5 1–0. Bittner – Ahrens, 1987.

5.Bb2 Be7 6.Nc3 0–0 7.e4 Re8 8.Be2 Bb4 9.d3 Nd4 10.Kf1 c6 11.a3 Ba5 12.Nf3 Ne2 13.Ne2 d6 14.h3 d5 15.e5 Nd7 16.cd5 cd5 17.Qc2 Bc7 18.d4 Nb6 19.Rc1 Nc4 20.Nf4 b5 21.g3 a6 22.Kg2 Rb8 23.Rhd1 Bb6 24.Qb3 Rb7 25.Ba1 Qd7 26.Bc3 a5 27.Bd2 Bd8 28.Rh1 Be7 29.Qa2 Rc7 30.Rc3 Qc6 31.g4 Bb7 32.Nd3 Rec8 33.Rhc1 Qe8 34.Nf4 Qf8 35.Rb3 Bc6 36.Ra1 h6 37.Ne1 Kh8 38.Rf3 Qd8 39.Bc1 Bf8 40.Ned3 Ba8 41.Qb3 Qe8 42.Ra2 Kg8 43.Ne2 Bc6 44.Kg1 Be7 45.Kf1 Kh8 46.Ng3 Bd7 47.Ne2 a4 48.Qb1 Ra7 49.Ndf4 Bc6 50.Bd2 Rac7 51.Bb4 Bg5 52.Kg2 Kg8 53.Ng3 Bf4 54.Rf4 Bd7 55.Nh5 Be6 56.Rf6 Rc6 57.Re2 Nb6 58.Qd3 Nd7 59.Rf3 Rc4 60.Rg3 g6 61.Nf6 Nf6 62.ef6 Qc6 63.Qe3 Bd7 64.Qh6 Qf6 65.Bc5 R8c5 66.dc5 Rc5 67.Rf3 Qd6 68.Qf4 Qf4 69.Rf4 Kf8 70.Kg3 Rc3 71.Re3 Rc4 72.h4 Be6 73.Rd3 Rc1 74.f3 Rg1 75.Kh2 Rb1 76.Rfd4 Kg7 77.Kg3 Rc1 78.Rb4 Rc5 79.Kf4 Kf6 80.g5 Ke7 81.Ke5 Kd7 82.Rb2 Kc6 83.Rdd2 Bd7 84.f4 Bg4 85.Kf6 Rc3 86.Rdc2 Rc4 87.Rf2 Rc3 88.Rbc2 d4 89.Rc3 dc3 90.Rc2 (90…b4 91.ab4+–; 90.Kf7 Bd1 91.Kg6 c2 92.Rc2 Bc2 93.Kf7 b4 94.ab4 a3–+) 1–0. Ursu – Truckle, ACL–A469 playchess.de, 2003.

5.Bc3 a5 6.a3 Be7 7.e3 0–0 8.Nf3 d5 9.Be2 Be6 10.Qb3 Ra6 11.Qa4 dc4 12.Bc4 =+.

5.Bc3 Bd6 6.e3 0–0 7.Nf3 Ne4 8.Qc2 Nc3 9.Nc3 Be7 10.Be2 Bf6 11.d4 d6 12.0–0 g6 13.h3 Bf5 14.Bd3 Nb4 15.Bf5 Nc2 16.Bc2 c5 17.Nd5 cd4 18.ed4 Bg7 19.Bb3 a6 20.Rac1 b5 21.cb5 ab5 22.Rc6 Rc8 23.Rc8 Qc8 24.Ne7 Kh8 25.Nc8 Rc8 26.Bf7 Rc2 27.Bb3 Rb2 28.d5 h6 29.Re1 Kh7 30.g3 h5 31.Kg2 Kh6 32.h4 Bc3 33.Re6 b4 34.Rd6 Kg7 35.Rc6 Kf7 36.d6 Ke8 37.Rc7 Kd8 38.Rf7 Re2 39.d7 Re7 40.Re7 Ke7 41.Ba4 Kd8 42.Kh3 Kc7 43.g4 Bf6 44.gh5 gh5 45.Ng5 Kd6 46.f4 Kc5 47.Kg3 Kd4 48.Kf3 Be7 49.Bb3 1–0. tyop (1775) – isnaudembra, internet, 2014.

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

5.e3 d6 6.Bb2 0–0 7.Nf3 d5 8.Be2 Be6 9.cd5 Nd5 10.0–0 a6 11.a3 Bd6 12.Qc2 Re8 13.Nc3 Nc3 14.Qc3 Bf8 15.Rfd1 Qd7 16.Rac1 Bd5 17.Nd4 Nd4 18.Qd4 Rad8 19.Qc3 c6 20.h3 (20.d3 Qd6=) ½–½. Cornacchini,Gabriele – Reede,Arvo, RL–2007–0–00090, 2007.

5.f4 d6 6.Bf6? Qf6–+ 7.Nc3 Bc3 8.Rc1? Ba5 9.Nf3 Qf4 10.e3 Qe4 11.Ng5 Qh4 12.g3 Qg5 13.Bg2 0–0 14.Bc6 Qe3 15.Kf1 Bh3 16.Bg2 Qd3 17.Qe2 Bg2 (17...Bg2 18.Kf2 Qe2 19.Ke2 Rae8 20.Kf2 Bh1 21.Rh1 Bd2–+) 0–1. andre2004 – mickster the king, ChessWorld.net, 2005.

5.Bg3 Ne4–/+ 6.a3 Ba5 7.e3 Qf6 8.Ra2 d6 9.Nf3 Bf5 10.Qb3 Rb8 11.Qb2 Qb2 12.Rb2 Nc5 13.Kd1 h6 14.Be2 0–0 15.Ne1 a6 16.Bh4 Na4 17.Rb3 b5 18.cb5 Be6 19.Rd3 Rb5 20.Nc3 Bc3 21.dc3 Rfb8 (21...Rfb8 22.Kd2 Rb2 23.Nc2 Rc2 24.Kc2 Rb2 25.Kc1 Re2–+) 0–1. Osthus,Reinhard – Baer,Werner, TT–04 TSC, 2002.

5.Bb2 b6

6.Nc3 0–0 7.e3 Bb7 8.Nd5 Nd5?? 9.cd5+– Ne7 10.Qg4 Bd2 11.Kd2 Ng6 12.h4 f6 13.Bc4 d6 14.f4 Qe8 15.h5 Nh8 16.Nf3 Qe4 17.Bd3 Qd5 18.e4 Qf7 19.Nd4 Rfe8 20.Rae1?? Kf8? 21.e5?? de5? 22.fe5 Qa2 23.Kc2 Qd5? 24.Re2?? Bc8? 25.Rf1?? Bg4–+ 26.Re4 Re5 27.Rg4 Rh5 28.Nf5 Rd8 29.Bc4 Qd2 30.Kb3 Rd3! 31.Ka2 Qa5 (31...Qa5 32.Kb1 Rd1 33.Rd1 Qf5 34.Bd3 Qg4–+) 0–1. Micheel – Gorzel, corr SOK–89–34, 1989.

6.Nf3 Bb7 7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 b6 6.Nf3 Bb7 7.c4).

5.Bb2 Bc5

6.a3 0–0 7.e3 a6 8.Nf3 d6 9.Be2 Rb8 10.d4 Bb6 11.Nbd2 Ba5 12.Qc2 Ne7 13.d5 Ng6 14.0–0 Bd2 15.Nd2 b5 16.Rab1 Bb7 17.cb5 ab5 18.Bf6+– Qf6 19.Rb5 Ne7? 20.Rfb1 Ba6 21.Rb8 Be2 22.Rf8 (22…Kf8 23.Rb8 Nc8 24.Rc8 Qd8 25.Rd8 Ke7 26.Qc7 Kf6 27.Rd6 Kg5 28.Qe7 Kh5 29.Qf7 Kh4 30.Qf4 Bg4 31.Nf3 Kh5 32.Qg5#) 1–0. Dopper,Johan – Hoogstrate,Johan, 1995.

6.e3 d5 7.cd5= Qd5 8.Nf3 Bg4 9.Nc3 Qd7 10.Be2 0–0 11.d4 Be7 12.h3 Bh5 13.0–0 Rad8 14.Qb3 Qc8 15.Rac1 Nb8 16.Nb5 Nc6 17.Rfd1 a6 18.Na3 Na5 19.Qa4 b6 20.Nc4+= Nc4 21.Qc4 Bd6 22.Qa6 Qa6 23.Ba6 Bf3 24.gf3 Nd5 25.Bc4 Nf6 26.Kg2 Nd7 27.f4+– g6 28.Kf3 Nf6 29.e4 Be7 30.d5 Nd7 31.e5 Nc5 32.d6 cd6+/– 33.ed6 Bd6 34.Bf6 Bf4?? 35.Kf4+– Rd1 36.Rd1 Ne6 37.Be6 fe6 38.Ke5 Kf7 39.Rd7 Kg8 40.Rg7 (40.Rg7 Kh8 41.Rg6 Rf6 42.Rf6+–) 1–0. Fredek (2090) – Guest151022, Freundschaftspartie, 5m + 0s, 2005.

5.Bc3 0–0

(--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Bc3 Nc6).

6.Bb4 Nb4 7.a3 Nc6 8.d4 d5 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Bc3 Nc6 6.d4 d5 7.Bb4 Nb4 8.a3 Nc6).

6.Nf3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.Nf3 Nc6 6.Bc3).

5.Bc3 Bc5

6.d4+= Be7 7.d5 Nb8 8.Nd2 d6 9.e4 0–0 10.Bd3 Bg4 11.Ne2 Nbd7 12.Qc2 Nc5 13.Ng3 Nd3 14.Qd3 Re8 15.0–0 c6 16.f3 Bd7 17.f4 cd5 18.cd5 a6 19.Kh1 (better is 19.Rfc1+=) 19...Bb5–/+ 20.Qd4 Bf1 21.Rf1 Rc8 22.e5?? (better is 22.Nf5–/+) 22...de5–+ 23.fe5 Bc5 (23...Nd5 24.Ba1 Bc5 25.Qc4–+) 24.Qd3?? (24.Qf4 Nd5 25.Qf7 Kh8 26.Nf5–+) 24...Nd5–+ (worse is 24...Qd5 25.Qf5 Bf8 26.Nde4 Ne4 27.Ne4–+) 25.Ba1 (25.Nge4 Ne3 26.Qd8 Red8–+) 25...Nb4 (better is 25...Ne3 26.Qe2 Nf1 27.Ngf1–+) 26.Qd8 (26.Qf3 Qd2 27.Qf7 Kh8 28.Nf5–+) 26...Rcd8 27.Nde4 Bf8 28.a3 Nc2 29.Bb2 Ne3 30.Re1 Rd1 31.Rd1 Nd1 32.Bc1 Re5 33.h3 f5 34.Ng5 Re1 35.Kh2 Nf2 36.Bd2 Rh1 37.Nh1= Nh1 38.Kh1 h6 39.Ne6 Kf7? 40.Nf8+– Kf8 41.Kg1 Kf7 42.Kf2 Ke6 43.Ke3 g5 44.Kd3 Kd5 45.Bc3 b5 46.Bg7 h5 Black intends g4 47.Bh6 g4 48.h4 a5 49.Bf4 b4 50.ab4 ab4 51.g3 b3?? 52.Kc3 Ke4 53.Kb3 Kf3 54.Kc4 Ke4 55.Kc5 (55.Kc5 Kd3 56.Kd5+–) 1–0. tyop (1670) – jaki41, internet, 2013.

6.d4+= Be7 7.e3 d5 8.Nf3 Bg4 9.Be2 Ne4 10.Bb2 (better is 10.Nfd2!? Be2 11.Qe2=) 10...Bb4 11.Kf1 0–0 12.h3 Bh5 13.g3 (better is 13.Nbd2!?–/+) 13...dc4–+ 14.Bc4 Qf6 (better is 14...Ne5! 15.Be2 Nf3 16.Bf3 Qf6–+) 15.Kg2–/+ Rad8 16.Be2 Bg6 (better is 16...Rfe8–/+) 17.Nbd2?? (better is 17.Qb3 Qe6 18.Na3=) 17...Bd2–+ 18.Nd2 (18.Qb3 Qd6 19.Rad1–+) 18...Qf2 0–1. domino63 (1695) – baszame (1690), internet, 2013.

6.Nf3 d6 (6...Be7!?–/+) 7.d4= Bb6 8.e3 0–0 9.Bd3 Bg4 10.Nbd2 a6 11.0–0 Ba5 12.Ba5 Na5 13.Qc2 Rb8 14.Rab1 Nc6 15.Rb2 h6 16.a3 Qe7 17.Rfb1 b6 18.h3 Bd7 19.d5 Ne5 20.Ne5 Qe5 21.Nf3 Qh5 22.Nh2 a5 23.Qe2 Qe5 24.Nf3 Qe7 25.Nd4 Ne4 26.Be4 Qe4 27.f3 Qg6 28.Kh2 f5 29.f4 Rfe8 30.Qf2 Qf6 31.Rb3 Re7 32.Rc3 Rbe8 33.Re1 1–0. tyop (1650) – arszer, internet, 2013.

5.Bc3 d6

6.Bb4 Nb4 7.Qb3 a5 8.Nf3 Bf5 9.Nd4 Bc8 10.Nf3 0–0 11.a3 Nc6 12.Nc3 b6 13.e3 Ba6 14.Be2= Re8 15.0–0 Ne7 16.d4+= d5 17.Rfe1 dc4 18.Bc4+/– Bc4 19.Qc4 Rc8 20.Ne5 Ned5 21.e4 Nc3 22.Nf7 Qe7 23.Nd6 Qe6 24.Qe6 Re6 25.Nc8 Re4 26.Re4 Nce4 27.Re1 Nd6?? 28.Nd6 cd6 29.Re6 Kf7 30.Rd6 b5 31.Rb6 b4 32.ab4 (32.ab4 ab4 33.Rb4+–) 1–0. pierre – Charl Fourie, internet, 2008.

6.Bb4 Nb4 7.Qb3 Na6 8.Nf3 A) 8...Nc5 9.Qb2 0–0 10.Nc3 Bf5 11.e3 Qd7 12.Be2 Nd3 13.Bd3; B) 8...0–0 9.Qb2 Nc5 10.Nc3 Bf5 11.e3 Re8 12.d4 Nce4 13.Be2.

6.Bb4 Nb4 7.Qb3 c5 8.a3 A) 8...Qa5 9.Nc3 0–0 10.Qb2 Nc6 11.e3 Qb6 12.Qb6 ab6 13.Nf3; B) 8...Nc6 9.e3–/+ Na5 10.Qa2 Be6 11.Nc3 Rb8 12.a4 0–0 13.Nh3.

5.Bc3 Qe7

6.a3 Bc3 7.Nc3 Na5 8.Nd5 Qd6 9.Nf6= Qf6 10.e3 0–0 11.d4 b6 12.Qf3+= Qc6 13.Qc6 dc6 14.Nf3 Ba6 15.Nd2 Rad8 16.Be2 f5 17.Rb1 f4 18.c5+/– Be2 19.Ke2 Rd5 20.Rhc1 g5 21.Kd3 fe3 22.fe3 Rf2 23.Ne4 Kg7?? 24.Nf2+– (24.Nf2 b5 25.e4+–) 1–0. Vasquez,Fernando – Weber,Roger, 2006.

6.Bb4 Nb4 7.Qb3? (7.e3!?–/+) 7...d5 (7...Qe5 8.Qb4 Qa1 9.e3–+) 8.a3? (better is 8.e3 Bf5 9.Na3–+) 8...Nc6?? (better is 8...Qe5 9.ab4 Qa1 10.cd5 Bf5–+) 9.cd5= Ne5 (9...Qe5!? 10.Nc3 Nd4=) 10.e3 0–0 11.f4 (11.Nc3!?+=) 11...Ng6= 12.Nf3 (12.Ne2 c6 13.dc6 bc6=) 12...Nf4+= 13.Kf2? (better is 13.Nc3 Rd8 14.Bc4 Ng2 15.Kf2 Ne3 16.de3 Ng4 17.Kg2 Ne3 18.Kf2+=) 13...N4d5–+ 14.Nc3?? (14.Bc4 Ne4 15.Kg1 Nb6–+) 14...Be6 (better is 14...Nc3 15.Kg1 Nce4–+) 15.Nd5 Bd5 (15...Nd5?! 16.Qb7 Rfb8 17.Qc6–/+) 16.Bc4 Ne4 17.Ke2 Bc4 18.Qc4 Nd6 19.Qb4 b6 20.Rhd1 c5 21.Qb2 Rfe8 22.Kf1 c4 23.Rac1 b5 24.a4 a6 25.ab5 ab5 26.Nd4 Rab8 27.Kg1 Qb7 28.Rb1 (28.Qb4!? Qb6 29.Rf1–+) 28...b4–+ 29.Rdc1 g6 30.Nc2 b3 31.Na3 (31.Nd4 Ra8–+) 31...Qe4 32.Qc3 Rbc8 33.Rf1 (33.Qf6 Nf5 34.Nb5 Rcd8–+) 33...Qd5 34.Rf4 (34.Rbd1 Ne4 35.Qb4 Qd3–+) 34...Re4 (better is 34...Ne4 35.Re4 Qe4–+) 35.Re4 (35.Rf2–+) 35...Ne4 36.Qb4 Nd2 (36...Nd2 37.Rc1 Qd3–+) 0–1. domino63 (1695) – baszame (1690), internet, 2013.

6.e3 0–0 7.d4 Ne4 8.Bb4 Qb4 9.Nd2 b6 10.Rb1 Qe7 11.Ne4 Qe4 12.Nf3 d6 13.Bd3 Qe7 14.Qc2 g6 15.0–0 Bb7 16.Rfe1 Nd8 17.d5 c6 18.e4 c5 19.e5+/– Bc8 20.ed6 Qd6 21.Qe2 Bg4 22.Qe5 Nb7 23.Qd6 Nd6 24.Nd2 Bf5 25.Bf5+/– Nf5 26.Kf1 Rae8 27.Ne4 Kg7 28.a4 Nd4+= 29.Nd6 Re1 30.Re1 a6? 31.Ne8+– Kg8 32.d6 Ne6 33.Re6! fe6 34.d7 Kf7 35.d8Q Re8 36.Qb6 (36.Qb6 Kf6 37.Qa6+–) 1–0. Van Rooijen,Peter (1700) – Arrascaeta, Magistral LIAPE, 2002.

6.Nf3–/+ 0–0 7.e3 Ne4 (7...d5 8.Bb4 Nb4 9.a3+=) 8.Bb2 (8.Bb4 Nb4 9.Nc3 Nc3 10.dc3 Na6=) 8...d6 9.Be2 Bg4 10.0–0 Qe6 11.d3 Nc5 12.Nd4 Be2 13.Qe2 (13.Ne6? Bd1 14.Nc5 Be2–+ (14...dc5?! 15.Rd1 Rad8 16.a3=)) 13...Nd4 14.Bd4 Nd7 (14...a6 15.a3 Ba5 16.Bc5 dc5 17.Nd2=) 15.Nd2 (15.Qb2 Rfb8+/–) 15...Nf6 16.Nf3 Rfe8 17.Qc2 Bc5 18.Bc3 d5 19.Bf6 Qf6 (19...gf6!? 20.d4 Bd6+=) 20.cd5+/– Bb6 21.e4 g5 22.Nd2 (22.h3 h5 23.a4 g4+=) 22...Bf2 (better is 22...c6!? 23.dc6 Rac8+/–) 23.Kh1+– g4 24.g3 Re5? (better is 24...Qg7+–) 25.Qd1 Rh5 (25...Rg5+–) 26.Qg4 Rg5 27.Qe2 Qg7 (27...Re8 28.Qf2 Qf2 29.Rf2+–) 28.Qf2 1–0. tyop (1700) – helder31 (1745), internet, 2013.

5.Bc3 Be7

6.e3 0–0 7.d4 d5 8.c5 Ne4 9.Bd3 Bf5 (9...f5!? 10.Ne2 b6 11.Bb5–/+) 10.f3 Bh4 11.g3 Ng3?? (better is 11...Bg5 12.fe4 de4–/+) 12.hg3+/– Bg3 13.Ke2 Nd4?? (better is 13...Bd3 14.Qd3 g6+/–) 14.Bd4+– (14.ed4?! Qe8 15.Kf1 Qe3+=) 14...Bd3 (14...Bg6 15.f4 b6 16.Nf3+–) 15.Qd3 (15.Qd3 g6 16.Nc3+–) 1–0. typ48 – stepaan, internet, 2013.

6.Nf3 d5 7.e3 Be6 8.Qb3 Rb8 9.d4 0–0 10.Nbd2 dc4 11.Bc4 Nd5 12.Qc2 Nc3 13.Be6 fe6 14.Qc3 Bb4 15.Qc4 Qd7 16.0–0 b5 17.Qb3 Bd6 18.Ng5 Nd8 19.Qc2 g6 20.Nde4 Rb6 21.Nc5+= Qe7 22.Nge4 Nb7 23.Rfc1 Na5 24.a4+= b4 25.Rab1 Rd8 26.f4 Rf8 27.Qd2 Bc5 28.Rc5 Nb7 29.Rc4 Na5? 30.Rcb4+– Nc4 31.Qe1 Rb4+= 32.Qb4 Qb4 33.Rb4 Ne3 34.g3 a5 35.Rb5 Rf5 36.Rb7 Nc2 37.Rc7 Nd4 38.Rd7 Nb3 39.Rd3 Nc1 40.Re3 Kg7 41.Kg2 h6 42.Rc3 Ne2+= 43.Rc4 Rd5 44.Rc7 Kf8 45.Nc5 Ke8 46.Ne6 Rd2 47.Kf3 Nd4 48.Nd4 Rd4 49.Rg7 g5 50.fg5 hg5 51.Rg5 Ra4 52.Rg7 (52.Rg7 Kf8 53.Rd7+/–) 1–0. Van Rooijen,Peter (1730) – Baer,Werner (1870), T16–05 TSC, 2003.

6.Nf3 d6 7.g3 0–0 8.Bg2 Bf5 9.0–0 Rb8 10.d4 Re8 (10...Ne4 11.Be1+=) 11.Nbd2 (11.d5 Ne5 12.Ne5 de5 13.Be5 Bb4+/–) 11...Ne4 (11...d5 12.Ne5=) 12.Bb2 (12.Ne4 Be4 13.d5 Bf3 14.ef3 Ne5+=) 12...Bf8 (better is 12...b5!?+=) 13.e3 a5 14.Nh4 Nd2 15.Qd2 (worse is 15.Nf5 Nf1 16.Bf1 Qf6–/+) 15...Qd7 (15...Bd7!?+=) 16.Nf5+/– Qf5 17.a4 Nb4 18.Bc3 c5 19.Bb4 (19.Rfd1!?+/–) 19...cb4 20.e4 Qg6 21.f4 Qg4 (21...Rbc8!? 22.Rac1 Be7+=) 22.e5+/– de5 (22...Qf5!?+/–) 23.fe5+– Qe6?? (better is 23...Be7+–) 24.Bd5 Qb6 25.Bf7 Kh8 26.Be8 Re8 27.Rf5 g6 28.Rf6 Qc7 29.Raf1 Bg7 30.Rf7 Qc4 31.Rb7 Rd8 (31...Qb3 32.Rff7 Rg8 33.Rbc7 Qb1 34.Kg2+–) 32.Rff7 Be5 (32...Rf8 33.Rf8 Bf8+–) 33.Rh7 Kg8+/– 34.Rhd7 Bd4= 35.Qd4 Qd4 36.Rd4 Rd4 37.Rb5 Rd1 38.Kg2= Rb1 39.Ra5 b3 40.Rb5 b2 41.a5 Kf7 42.a6 Ke6 43.a7 (43.a7 Ra1 44.Rb2 Ra7 45.Kf3+=) 1–0. tyop (1665) – jaki41, internet, 2013.

5.Nf3 Ne5

6.Ne5 0–0 7.Nd3 Ba5 8.Qa4 b6 9.Na3 Re8 10.0–0–0 d5 11.cd5 Qd5 12.Nc2 Be6 13.Kb2 Ne4 14.Ne3 Qb7 15.Qc2 c5 16.Ka1 Qd7 17.g4 c4! 18.Nf4 Nf2 19.Ne6 Nd1 20.Nd1 Qe6 21.e4 Rac8 22.Ne3 Qe5 23.Kb1 Qe4 24.Qe4 Re4 25.Bg2 Ree8 26.Bb7 Rc5 27.Rd1 h5 28.Ba6 b5 29.a4 c3 30.d4 Rc7 31.Nc2 b4 32.Ka2 Re6 33.Bb5 hg4 34.Kb3 Rh6 35.Re1 Rh2 36.Re8 Kh7 37.Bd3 g6 38.Re5 Rd2 39.Rh5 Kg7 40.Ra5 Rd3 41.Kb4 g3 (42.Re5 f5–+) 0–1. frenzee – Delfi4, Arena tournament, 2003.

6.Ne5 Ne4 7.Qc2 Nf2 8.Qf5 Qe7 9.Kf2 d6 10.Qf7 Qf7 11.Nf7 0–0 12.e3 Rf7 13.Ke1 Bd7 14.a3 Ba5 15.Rg1 Re8 16.Kd1 Ba4 17.Kc1 Rf2–+ 18.h4? Re3!! (18...Re3 19.de3 Rc2 20.Kd1 Rg2 21.Kc1 Rg1–+) 0–1. Clark,Mark (2060) – Lowrance,Wayne (1900), FICGS, 2006.

6.Ne5 Ne4 7.Nc3? Nc3–+ 8.Qb3 Ba5 9.dc3 Qf6 10.f4 Qf4 11.Nd3 Qe3 12.Rc1 0–0 13.Qb5 White intends c5 13...Bb6 14.c5 c6 15.Qb4 Re8 16.cb6 Qd3 17.ba7 Ra7 18.Qd4 (18.Rd1 Qe3 19.Qb3 d6–+) 18...Qd4 (18...Ra2?? 19.Qd3 d5 20.c4 dc4 21.Qc4+–) 19.cd4 Ra2 20.d5 cd5 21.Rd1 b5 22.Rd2 Ra1 23.Rd1 Rd1 24.Kd1 b4 25.Kd2 d4 26.h4 Ba6 27.Rh3 Bc4 28.Rf3 b3 29.Kc1 h5 30.Rf2 Ra8 31.Kb1 Ra2 32.Rf4 Rd2 33.g3 g6 34.Kc1 (34.e4 d5 35.ed5 Bd5–+) 34...b2 35.Kb1 Bd5 36.Bh3 f5 37.Bf1 Be4 38.Re4 fe4 39.Bh3 e3 40.Bd7 d3 41.Be6 Kg7 42.Bc4 de2 43.Be2 Re2 44.Ka2 Rd2 45.Kb3 b1Q 46.Kc3 Qc1 0–1. Walker,John T (1915) – Vasile,Constantin (1920), Witold–ROW(s), 2012.

6.Ne5 Qe7 7.Qb3?? Qe5–+ (7...Qe5 8.Nc3 Bc3 9.Qc3 Qc3 10.dc3 d6–+) 0–1. gtate (1915) – peb (1815), net–chess.com, 2004.

6.Ne5 Qe7 7.Nf3 0–0 8.e3 Ne4 9.Bd3 Qf6–/+ 10.Be4 Qa1 11.Qc2 h6 12.0–0 Qf6–/+ 13.a3 Ba5 14.d4 Qe7 15.Bd3 Kh8 16.Qb3 b6 17.Nbd2 Bb7 (17...Bb7 18.Bc2 f5–/+) 0–1. Icic,M – Jacewicz,Grzegorz, corr 3GMM–27, 1996.

5.Bb2 d5

6.a3 Ba5

7.cd5 Qd5 8.Nc3 Bc3 9.Bc3= Bf5 10.e3 0–0–0 11.Ne2 Rhe8 12.Ng3 Ne4 13.Ne4 Be4 14.f3 (worse is 14.Bg7 Bg2 15.Rg1 Bf1 16.Rf1 Re6+=) 14...Bd3 15.Bd3 Qd3 16.Qe2 (worse is 16.Bg7 Qg6 17.Bc3 Qg2–+) 16...Ne5 17.Qd3 Nd3 (17...Rd3?! 18.Ke2 Rd6 19.d4=) 18.Ke2 f6 19.g3 c5 20.a4 Re6 21.a5 Kc7 22.Ra4 Rd7 23.Rb1 Kc6 24.Rh4 h6 25.Rg4 Kc7 26.Rc4 ½–½. Muri,Heinrich (2370) – Romanov,Roman Aleksandrovich (2390), corr EU/TC9/sf2 ICCF, 2011.

7.cd5 Qd5 8.Nc3 Qh5 9.e3 Bg4 10.Be2 0–0–0 11.Nf3 Qg6 12.0–0 Rhe8 (12...Bh3 13.Nh4 Qg5 14.d3+=) 13.d4 Bh3 14.Ne1 Bc3 15.Bc3 Bg4 16.Bg4 Qg4 17.Qb3 (17.Qc2 Nd5=) 17...Qf5 18.Rb1 (worse is 18.Qf7 Rd5 19.Qg7 Ne4–/+) 18...b6 19.Nf3 Ne4 20.Rfc1 Kb7 (20...Re6 21.Be1+=) 21.Be1+= Rd7 22.Rb2 Re6 23.Rbc2 (23.Qa4 Rd5+=) 23...Nf6 (23...g5 24.Rc6 Rc6 25.Rc6 Kc6 26.Ne5 Kd6 27.Qc2+–) 24.a4 (24.Qa4 Qd5+=) 24...Qd5 (24...Ne4 25.Rc5 Nc5 26.Rc5+=) 25.Rc4 (25.Qd5 Nd5 26.e4 Nd4 27.Nd4 Re4+/–) 25...a6 26.h3 h6 (26...h5 27.h4 Rde7 28.Qc2+/–) 27.Qb2 Ne4 28.Nh2 Na5 29.Ba5 Qa5 30.Nf3 f6 31.Ne1 h5 (31...Nd6 32.Rc5 Qa4 33.Nd3+–) 32.Nd3 Ree7 33.Kh2 (33.Rb4 Kb8 34.Nc5+–) 33...Ka8 (33...Qf5!?+/–) 34.Nb4+– Qf5 (34...Nd6 35.R4c2 Rf7+– (35...Qa4?? 36.Ra1 Qa1 37.Qa1+–)) 35.f3 Nd6 36.Rc6 Qa5 37.R6c3 h4 (37...Re8 38.e4 Rc8 39.d5+–) 38.e4 Kb7 (38...Qa4?? 39.Ra3 Qa3 40.Qa3+–) 39.d5 (39.Nd5 Ne8 40.Ne7 Re7+–) 39...Nc8 (39...Qa4 40.Ra3 Qb5+–) 40.Nc6 (40.Nc6 Qa4 41.Ra3 Qa3 42.Qa3+–) 1–0. almanzor1 (2330) – chandragupta (2180), gameknot.com, 2014.

7.cd5 Qd5 8.Nc3 Qh5 9.e3 Bg4 10.f3 Bd7 11.Nge2 0–0–0 12.Ng3 Qe5 13.Be2 h5 14.Rb1 h4 15.Nge4 Bf5 16.Qb3 Be6 17.Qa4 Qf5 18.Rd1 Qg6 19.0–0 Bf5 20.Qb3 Kb8 21.Rb1 Bb6 22.Qc2 Nd4 23.ed4 Rd4 24.Kh1 Nh5 (24...Re4 25.fe4 Ne4 26.Qe4 Be4 27.Ne4 Qe4 28.Bg7–+) 25.h3? (better is 25.Rf2!?=) 25...Ng3–/+ 26.Kh2 Bh3 (better is 26...Ne2 27.d3 Nf4–+) 27.Rg1?? (27.gh3 Ne4 28.Rg1 Qd6 29.Kh1 Ng3 30.Kg2 Rd2 31.Qd2 Qd2 32.Rge1–+) 27...Bf5–+ 28.Qb3 Re4 (28...Re4 29.Qb6 ab6 (29...Re2?! 30.Qg6 Bg6 31.Ne2 Ne2 32.Rge1+=) 30.fe4 h3–+; 28...Be4 29.Ne4 Re4 30.fe4 Ne2 31.Bg7 Qg7 32.Kh1–+; 28...Ne4?! 29.Ne4 Rd2 30.Rge1–+; 28...Ne2 29.Ne2 h3 30.g3 Re4 31.fe4 Bg1 32.Rg1 Be4 33.Nf4+/–) 0–1. Gierth,Karlheinz (2185) – Budzyn,Roman (2260), WC–2009–F–00003, 2009.

7.e3 d4 8.Nf3 Bg4 9.Be2 d3 10.Bf1 Qd7 11.h3 Be6 12.Qa4 Ne4 13.Bg7 Rg8 14.Bc3 Bb6 15.Qb3 0–0–0 16.a4 a6 17.a5 Ba7 18.Bb4 f5 19.Nc3 (19.Ra4!?+=) 19…Qf7 (19...Nb4?! 20.Qb4 Qg7 21.Rb1+=) 0–1. Blittkowsky,Ralf (1780) – Vodicka,Milan (1990), CP–2011–P–00008, 2011.

6.a3 Be7

7.e3 0–0 8.Nf3 Be6 (8...Bf5 9.cd5 Qd5 10.Nc3+=) 9.cd5+= Nd5 10.d4. marekt (1975) – chpot (1930), gameknot.com, 2014.

7.e3 d4 8.Nf3 Bc5 9.ed4 Nd4 10.Be2 –/+.

7.cd5 Qd5

8.Nc3 Qa5 9.e3 0–0 10.Be2 Rd8 (10...Be6 11.Nf3+=) 11.Nf3 Ne5 12.Ne5 Qe5 13.d4 Qg5 14.0–0 Qh4 (14...Bh3 15.Bf3=) 15.g3 Qh3 16.f3 c5 17.d5 Bd6 18.Rf2 Be5 19.Bc4 Qh5 20.a4 Bh3 (20...b6 21.Qb3+=) 21.Qb3+= Rab8 22.e4 Bd4 23.Nd1 Nd7 (23...Bf2 24.Nf2 Rd6 25.g4+/–) 24.Bd4 cd4 25.Nb2 b6 (25...Rdc8!?+=) 26.Qd1+/– Qe5 27.Qd2 Nc5 28.Nd3 Qe8 29.Qb2 Rbc8 30.Qd4 Ne6 31.Qc3 Nc5 32.Rc2 Bd7 33.Nc5 Rc5 34.Qd4 Rdc8 35.Raa2 Ba4 36.d6 Kf8 37.Rc3 h6 38.e5 Bb5 39.Ra7 Rc4 40.d7 Rd4 41.dc8Q Rd1 42.Kf2 Rd2 43.Ke1 Re2 44.Kd1 Re5 45.Qe8 Re8 46.Rb7 Be2 47.Kd2+– b5 48.Re3 Re3 49.Ke3 Bf1 50.h4 h5 51.g4 hg4 52.fg4 Kg8 53.g5 Bc4 54.Ke4 Kh7 55.Rb6 Be2 56.Kd4 Bc4 57.Kc5 Be2 58.Kb4 Bc4 59.Rd6 Be2 60.Rc6 ½–½. Recasens Sanchez,JA (2120) – Baron Gonzalez,A (2105), AEAC W/X COPA/Pr–04, 2008.

8.Nc3 Qa5 9.Nf3 0–0 10.e3 Ne5 11.Ne5 Qe5 12.d4 Qg5 13.h4 Qa5 14.Bd3 c6 15.0–0 Bg4 16.f3 Be6 17.Ne2 (17.Qe1 Rfe8+=) 17...Qh5 (17...Nd5 18.Bc1–/+) 18.g3 Nd5 19.Bc1 f5 20.Qc2 Rf6 (20...Rad8 21.Bd2+=) 21.Rb1= Rb8 22.e4 fe4 23.Be4 Bd6 24.Bg5 Rff8 25.Qd3 Kh8 26.g4 Qe8 27.Bh7 b5 28.Be3?? (better is 28.Be4=) 28...Ne3–+ 29.Qe3 Kh7 30.Nc3 Bc4 31.Rfe1 Qe3 32.Re3 c5 33.d5 Bf4 34.Re7 b4 35.ab4 cb4 36.Ne4 b3 0–1. Gierth,Karlheinz (2260) – Kisshauer,Uwe (2295), remoteschach.de, 2009.

8.Nc3 Qc5 9.e3 0–0 10.d4 Qb6 11.Rb1 Qa5 12.Qc2 Bf5=+ 13.Bd3 Bd3 14.Qd3 Ba3 15.Ba3 Qa3 16.Nge2 Rfb8 17.0–0 Qd6 18.Rb2 Nb4 19.Qf5 a5 20.Ra1 b6 21.Ng3 Rd8 22.Nge4 Ne4 23.Ne4 Qc6 24.Ng5 Qg6 25.Qf3 c5 26.dc5 Nd3 27.Rd2 Nc5 28.Rd5 a4 29.h4 h6 30.h5 Qf6 31.Rd8 Rd8 32.Qf6 gf6 33.Nf3 b5 34.Nd4 b4 35.Kf1 Rb8 36.Nc6 b3 37.Nb8 b2 38.Rb1 a3 (38...a3 39.Ke2 Na4–+) 0–1. Thoma,Theo – Baumann,Heinz, TT–17.32 ETC, 2005.

8.e3 Qc5 9.d4 Qb6 10.Bc3 Nd5 11.Bd3 Be6 12.Ne2 0–0 13.0–0 Na5 14.Qc2 g6 15.Be1 c5 16.dc5 Bc5 17.Nbc3 Rac8 18.Nd5 Bd5 19.Nf4 Bb3 20.Qb1 Ba4 21.Qa2 Qd8 22.Rb1 b6 23.Ba5 ba5 24.Rfc1 Bd6 25.Rc8 Qc8 26.Nd5 Rd8 27.Nf6+= Kf8 28.Nh7 Kg7 29.Ng5 Qc7 30.g3 Bg3 31.Be4 Bh2 32.Kh1 Rd7 33.f4 Bf4 34.ef4 Qf4 35.Qb2 Qf6 36.Qg2 Qe5 37.Rf1 Bb3 38.Qg4 ½–½. Jaeger,Erich (2015) – Eife,Gunter (2070), BdF OS–065 remoteschach.de, 2007.

8.Nc3 Qh5 9.d4 Be6 10.e3 Qg6 11.Nge2 Nh5 (11...Qg5 12.Nf4 Bg4 13.Qa4+=) 12.Ng3 (12.d5 Ne5 13.Nd4+= (worse is 13.de6 Nd3 14.Kd2 0–0–0+=)) 12...Ng3= 13.hg3 0–0? (13...Rd8 14.Qa4+=) 14.Bd3 (better is 14.d5 Bg4 15.Bd3 Bd1 16.Bg6 hg6 17.Rd1+= (worse is 17.dc6 Bb3+=)) 14...Bf5+= 15.Bf5 Qf5 16.Rc1 Rad8 17.Qf3 Qf3 18.gf3 Na5 19.Ne4 c6 20.g4 f5 21.Nc5 Bc5 22.Rc5 (worse is 22.dc5 Nb3 23.Rc2 Rd5–/+) 22...Rd5 23.Ke2 b5 24.Rd5 cd5 25.gf5 Rf5 26.e4 Rf7 27.Rh5 Rd7 28.Bc3 Nc4 29.a4? (better is 29.Bb4!? g6 30.Rd5 Rd5 31.ed5=) 29...g6 30.Rh1 ba4 31.Ra1 Nb6 32.Ke3 Kf7 33.Bb4 Ke6 34.Bc5 Nc4 35.Kf4 Rf7 36.Kg3 a3 37.Ba3 Nd2 (37...a5 38.Bc5–/+) 38.ed5? (better is 38.Bc1!? Rf3 39.Kg2+=) 38...Kd5–/+ 39.Bc5 ½–½. Zabotin,Alexander (2445) – Lavrik,Dmitry (2300), Bykova Memorial, 2006.

6.cd5 Qd5

7.a3 Be7=+ 8.Nc3 Qa5 9.e3 Bf5 10.Nf3= 0–0 11.Bc4 Rad8 12.0–0 Qc5 13.Be2 Ne5 14.d4 Nf3 15.Bf3 Qb6 16.Na4 Qb5 17.Be2 Qd7 18.Nc5 Bc5 19.dc5 Ne4 20.Bd4 Ng5 21.Qb3 Qe7 22.Qc3 Ne6= 23.Bf3 c6 24.Rad1 Nd4 25.Rd4 Rd4 26.ed4 h6 27.Re1 Qd7 28.h3 Be6 29.Qb4 Rd8 30.Rb1 Ba2 31.Ra1 Be6 32.Rd1 Qe7 33.Qa5 Qf6 34.Qa7+/– Rd4 35.Rd4 Qd4 36.Qb7 Qa1 37.Kh2 Qe5 38.g3 Qc5 39.Qc6 Qf2 40.Bg2+= ½–½. Degterev,Pavel – Buczinski,Henryk, IECG, 2008.

7.a3 Be7 8.Nc3 Qc5 9.Nf3 Be6 10.e3 0–0 11.Be2 Qb6 12.Rb1 Bb3 13.Qc1 a5 14.0–0 a4 15.Ba1 Qa5 16.d4 Qf5 17.Re1 Qd7 18.Bb5 Qd6 19.Bb2 Ra5 20.Qd2 Nd8 21.e4 Qb6 22.Bd3 Ne6 23.Ne2 Rd8 24.Ng3 Bf8 25.Nf5 g6 26.d5 Ng4? (26...Nc5 27.Bf6 Qf6 28.e5+=) 27.de6 Rd3 28.Qd3 Qf2 29.Kh1 Qe1 30.Ne1 Nf2 31.Kg1 Nd3 32.e7 (32.Nd3 gf5 33.ef5 Rf5–+) 32...Ra8 33.ef8Q Kf8 34.Nd3 gf5 35.Nc5 fe4 36.Be5 Bd5 37.Bc7 Kg7 38.Nb7 Kg6 39.Nd6 Ra7 40.Rc1 Ra6 41.Rc5 Ba8 42.Kf2 e3 43.Ke3 Bg2 44.Kf4 h6 45.Nf5 Kh7 46.Be5 Rc6 47.Bd4 1–0. Degterev,Pavel (2275) – Dehaybe,Andre (1760), CP–2007–P–00034, 2007.

7.Nc3 Qa5 8.e3 0–0 9.Nf3 Bg4 10.Be2 Rad8 11.0–0 Rfe8 12.a3 Bd6 13.h3 Bh5 14.Rc1 Bg6 (worse is 14...Ba3 15.Ra1 Bb2 16.Ra5 Na5 17.Qc2 Bc3 18.Qc3+=) 15.d4 Ne7 16.Nb5 c6 (16...Qb6!?=) 17.Bc3 Qb6 18.Nd6 Rd6 19.Ne5 Rdd8 (19...Re6!?+=) 20.Qa4+/– Qc7 21.Ba5 b6 22.Bb4 (worse is 22.Nc6 Nc6 (worse is 22...ba5 23.Nd8 Qd8 24.Rfd1+=) 23.Rc6 Qd7=) 22...Be4 23.Be7 Re7 24.Nc6 Bc6 25.Rc6 Qd7 26.Qc2 h6 27.Rc1 Ne4 28.a4 Qf5 (28...Qd5 29.Rc8+–) 29.Bf3 Rde8 30.Rc8 Nd6 31.Re8 Re8 32.Qf5 Nf5 33.Rc7 (33.Bg4 g6+–) 33...a5 (33...Re7 34.Rc6+–) 34.Bc6 Rb8 (34...Re6 35.d5 Re5 36.Rb7+–) 35.Bd5 Rf8 36.Rb7 black resigned. 1–0. aspasio (2570) – vhilts (2500), net–chess.com, 2012.

7.Nc3 Bc3 8.Bc3 Be6 9.Nf3 0–0–0 10.e3 Ne4 11.Bb2 (11.Bg7 Rhg8 12.Bc3 Nc3 13.dc3 Qd1 14.Rd1 Ba2=) 11...Rhe8 (11...f6 12.Nd4=) 12.Be2 g5 13.0–0 (13.d3 Qa5 14.Nd2 Nc5–/+) 13...g4 (13...Nd2!? 14.Re1 Nf3 15.Bf3 Qd1 16.Red1 Rd1 17.Rd1 Ne7–/+) 14.Nd4= Nd4 15.Bd4 c5 16.Qc2 Kb8 17.Bb2 (17.Bg7 Qd2 18.Qe4 Qe2 19.Qe5 Ka8 20.Qc5 Qc4= (20...Ba2? 21.Bd4 Qa6 22.Rfc1+–)) 17...Qd2+= (17...Nd2 18.Rfd1 Bf5 19.Qc1+/–) 18.Qd2?? (better is 18.Qe4 Qe2 19.Bf6=) 18...Rd2–+ (18...Nd2?! 19.Rfd1–/+) 19.Be5 Kc8 20.Bb5 (20.Rfe1 f6 21.Bf4 Nc3–+) 20...Bd7 (better is 20...Red8–+) 21.Bc4? (21.Bd7 Kd7 22.Bg3–+) 21...Re5 22.Bf7 Bb5 23.f4 (23.Rfd1 Rf2 24.Bg8 h6–+) 23...gf3 24.Rf3 Ng5 25.Rf4 (25.Rf6 Bc6 26.h4 Nf7 27.Rf7 Rg2 28.Kf1 Rh2 29.Rf8 Kd7 30.Rd1 Ke7–+) 25...Bc6 26.e4 (26.Rf2 Rf2 27.Kf2 Rf5 28.Kg1 Rf7–+) 26...Be4 27.g3 (27.Re4 Re4 28.Bh5–+) 27...Nh3 28.Kf1 Bd3 0–1. Goldmund,Heike – Waciak,Karol, FICGS, 2014.

7.Nc3 Bc3 8.Bc3 Qf5 9.Nf3=.

7.Nc3 Bc3 8.Bc3= Bf5 9.d3 Qe6 10.Nf3 h6 11.Rb1 b6 12.Qa4 0–0 13.Bf6 Qf6= 14.Rc1 Ne7 15.g3 Qb2 16.Qc2= Qc2 17.Rc2 c5 18.Bg2 Rac8 19.0–0 Nc6 20.Rfc1 Bg4 21.Rb2 Bf3 22.Bf3 Nd4 23.Bb7 Rc7 24.Ba6 Re7 25.e3 Ne6 26.a4 Nc7 27.Bc4 Rd8 28.a5 Na8 29.Kf1 ba5 30.Rb5 a4 31.Rc5 Nb6 32.Ke2 Rd6 33.Ra1 Nc4 34.Rc4 f6 35.Rca4 Rdd7 36.Ra5 Rb7 37.R1a2 Rec7 38.f4 Kf7 39.e4 Ke6 40.Ke3 Rd7 41.Ra6 Ke7 42.R2a3 Kd8 43.e5 fe5 44.fe5 (44.fe5 Ke7 45.d4+–) 1–0. Buczinski,Henryk – Tomalczyk,Tadeusz, Siemianowice Slaskie, 1966.

7.Nc3 Qd6 8.Nf3 Bg4 9.e3 (9.Nb5 Qe7 10.Bf6 gf6 11.a3 Ba5; 9.Rb1 Bf3 10.gf3 0–0 11.a3 Bc3; 9.a3 Ba5 10.h3 Bf3 11.gf3 0–0; 9.h3 Bf3 10.gf3 0–0 11.Rg1 Ne5) 9...0–0–0 (9...Rd8 10.a3 Bf3 11.gf3 Ba5) 10.Be2 (10.a3 Bc3 11.Bc3 Ne4) 10...Bf3 11.gf3 Rhe8 (11...Ne5+=) 12.Qc2 Kb8 13.Rd1 Qe6 14.h4 g6 15.Kf1 Bc3 16.Qc3 Nd5 17.Qb3 Rd7 18.Rc1 Rd6 19.Rc5 Red8 20.Bc4 Qd7 21.Kg2 b6 22.Ba3 Nce7 23.Bb5 c6 24.Bf1 Re6 25.Rc1 Nf5 26.Kg1 h5 27.Rh3 Nc7 28.Bb4 Rg8 29.f4 Qd8 30.Bc5 Nd5 (30...Qd2 31.Rd1 Qd1 32.Qd1 bc5 33.Bc4+–; 30...Nh4?! 31.Bc4 Nd5 32.d4–/+) 31.a4 Ka8 32.Ba3 Nh4 33.Bc4 Nf5 34.Qd3 Rge8 35.Rh2 Re4 36.Bb2 R4e7 37.Qb3 Rd7 38.Be5 Nh6 39.Be2 Re6 40.a5 f6 41.Bb2 ba5 42.Qc4 Rb7 43.Ba3 Ng4 44.Rg2 f5 45.Qa2 Ngf6 46.Bc5 Nd7 47.Bd4 N7b6 48.Kf1 a4 49.Rg1 Rc7 50.Bf3 Qd7 51.Kg2 Rc8 52.Rb1 Rd6 53.Bc5 Re6 54.Ra1 Rb8 55.Rgb1 g5 56.fg5 Rg6 57.Qc2 Rg5 58.Kf1 Rg6 59.Ke2 Re6 60.Bb6 Nb6 61.Rb4 Rd6 62.Rc1 Rc8 63.Rcb1 a3 64.R1b3 Kb8 65.Ra3 c5 66.Rb1 h4 67.Qc3 Qe7 68.Qc4 Rc7 69.Qf4 h3 70.Qf5 Rcd7 71.Qh3 Rd2 72.Kf1 R2d6 73.Qh8+/– Rd8 74.Qh2 R8d7 75.Rb6 (75.Rb6 ab6 76.Qh8 Rd8 77.Qa1+=) 1–0. Buczinski,Henryk (2200) – Carroll,Patrick (2190), SM–2011–O–00177, 2011.

7.Nc3 Qd8 8.Nf3 0–0 9.e3 Re8 10.Be2 Bf5 11.0–0 Bd3 12.Bd3 Qd3 13.Qb3 a6 14.a3 Bf8 15.Qb7+/– Rab8 16.Qc6 Rb2 17.Qc7 Bd6 18.Qc6 Rc2 19.Ne1 Rc3= 20.Qc3 Qc3? 21.dc3+– Ne4 22.Nf3 Nc3 23.a4 a5 24.g3 Ne4 25.Kg2 Nc5 26.Rfd1 Bf8 27.Rd5 Nb3 28.Rb1 Rb8 29.Nd4 Nd4 30.Rb8 Ne6 31.Ra5 g6 32.Raa8 Kg7 33.a5 Bd6 34.Rg8 Kf6 35.Rgc8 Nc7 36.Rc7! Bc7 37.a6 1–0. Fredek (2090) – Guest356420, Freundschaftspartie, 5m + 0s, 2005.

7.e3 0–0 8.Nc3 Bc3 9.Bc3 Bf5 10.Nf3 Rae8 11.Be2 b6 12.Bf6 gf6 13.0–0 Kh8 14.Nh4 Rg8 15.Nf5 Qf5 16.Bf3 Ne5 17.Kh1 Nf3 18.Qf3 Qf3 19.gf3 Re5 20.Rg1 Reg5 21.Rg5 fg5 22.d4 h6 23.e4 Re8 24.a4 c6 25.h3 Kg7 26.Kg2 Kf6 27.Kg3 Rd8 28.Rd1 c5 29.d5 Ke5 30.Kg4 a6 31.Rb1 Rd6 32.h4 gh4 33.Kh4 Kf4 34.Rb3 c4 35.Rc3 b5 36.ab5 ab5 37.Kh5 Ke5 38.Kg4 Kd4 39.Re3 b4 40.f4 b3 41.Kf5 f6 42.e5 fe5 43.fe5 Rd5 44.f4 Ke3 45.Kf6 Kf4 46.e6 Re5 47.e7 b2 48.Kf7 c3 49.e8Q Re8 50.Ke8 c2 0–1. elektrooon – alba2002, internet, 2013.

7.e3 0–0 8.Nf3 Qf5=+ 9.a3 Ba5 10.Be2 Qg6 11.Nh4 Qh6 12.Nf3 Be6 13.0–0 Qg6 14.Bf6 Qf6 15.d4 Qg6 16.Bd3 f5 17.Nbd2 Bd2 18.Qd2 Bd5 19.Qe2 Rad8 20.Bc4+= Qe6 21.Bd5 Rd5 22.Rab1 b6 23.Qc4 Rc8 24.Rb5 Ne7 25.Rd5 Nd5 26.Rc1 Rd8 27.Qa4 a5 28.Qc6 Qc6= 29.Rc6 Rd6 30.Rc1 Re6 31.Kf1 g6 32.Ke2 Kg7 33.Kd3 Kf6 34.h4 h6 35.g3 c6 36.Ne5 c5 37.Rb1 a4 38.Nc4 Rc6 39.f3 cd4 40.Kd4 Nc7 41.Rb6 Rb6 42.Nb6 Nb5 43.Kd3 Na3 44.Na4 Ke5 45.Nc3+– h5 46.e4 fe4 47.fe4 Kf6 48.Nd5 Ke6 49.Nf4 Kf6 50.Kd4 ½–½. Pleschke,Helmut – Andersson,Egart, email SOK–98–E002B, 1998.

7.e3 Be6 8.Nc3 Bc3 9.Bc3 0–0–0 10.Qf3 Ne4 11.Be2 Nc3 12.dc3 Qd2 13.Kf1 Qc3 14.Nh3 Qa1 0–1. rvac066 – vlastanevoral, internet, 2014.

7.e3 Bf5 8.Nf3 0–0 9.Bf6 gf6 10.Be2 Qa5 (10...Rfd8 11.0–0+=) 11.0–0 Kh8 12.Qb3 Rg8 13.g3 Be6 14.Qb2 Be7 (14...Kg7 15.Nc3=) 15.Qb7+= Bd5 (15...Nb4 16.Rc1 Rac8 17.Nd4+=) 16.Qb2 Rab8 (16...Be4 17.d3 Bf5 18.Qc3+/–) 17.Qc3+/– Qb6 18.d4 Nb4 (18...Kg7 19.Qc1 Qa5 20.Nc3+/–) 19.Qd2 Ba8 (19...Qb7 20.Nh4 Be6 21.a3+/–) 20.Rc1 Nd5 21.Qc2 Qe6 22.Nbd2 Bd6 23.Rab1 Rb1 24.Rb1 (24.Nb1?! Nb4 25.Qa4 Qa2+/–) 24...Qg4 25.Qc4 a5 (25...Qe6 26.Nh4+–) 26.e4 Nf4 27.Bf1 Qd7 28.Rb5 White prepares e5 28...Bb4 (28...c6 29.Ra5 Ne6 30.d5+–) 29.a3! Ba3 30.Ra5 Bd6 31.e5 Bf3 (31...Be7 32.Ra8! Ra8 33.gf4+–) 32.ed6 (32.Nf3!? Be7 33.Qf7 Rf8+–) 32...Bc6 33.Rc5 Bd5 34.Rd5 Nd5 35.Qd5 Qd6 (35...cd6 36.Nc4+–) 36.Qd6 (36.Qf7!? Rg7 37.Qe8 Rg8+–) 36...cd6 37.Nc4 Rd8 38.Kg2 Kg8 39.Kf3 Kf8 40.Bd3 h5 41.Be2 Ke7 42.Ne3 Kd7 43.Kf4 Rb8 44.Bh5 Rb2 45.Kf3 Ke7 46.h4 Ra2 47.Nf5 Ke6 48.Nh6 Ra3 49.Kf4 Kd5 50.Bf7 Kd4 51.Ng4 Ra7 52.Bg8 f5 53.Kf5 Rb7 54.h5 Rb8 55.Nf6 1–0. chuckhar (2305) – condoru (2085), gameknot.com, 2015.

7.e3 Bg4 8.Nf3 Bf3 9.gf3 0–0–0 10.Nc3 Qf5 11.h4 Kb8 12.Be2 Ne5 (12...Qg6 13.Kf1+=) 13.Kf1 (13.a3 Ba5 14.Rg1–/+) 13...c5–/+ 14.a3 Ba5 15.Rb1 Rhe8 16.Ba1 b6 (16...Bb6 17.Kg2–/+) 17.Rb5 Qd7 (17...Re6!?–/+) 18.Ra5 ba5 19.Bb5 Qb7 (worse is 19...Qd2 20.Qd2 Rd2 21.Be8 Ne8 22.Nb1 Nf3 23.Nd2 Nd2 24.Ke2+–) 20.Be8 Nf3 The backward pawn on d2 becomes a target (worse is 20...Ne8 21.Kg2+=) 21.d4 Ne8 (21...Re8 22.Rh3 cd4 23.Qf3 dc3 24.Qb7 Kb7 25.Bc3=) 22.d5 Ne5 23.Qa4 (23.Rg1 f5+=) 23...Qa6+= 24.Nb5 Nd7 (24...Nd3!? 25.Ke2 Rd5+=) 25.Kg2= Nb6 26.Qf4 Ka8 27.Rb1 Rd5 28.Bg7 Qb7 29.Kg1 (29.e4 Rd7 30.Bf8 Qc6=) 29...Qc8 30.Bf8 (30.e4 Rd7 31.Bh8 Nc4=) 30...Qf5+= 31.Qf5 Rf5 32.Kg2 (32.e4 Rh5+=) 32...Kb7 33.e4 Re5 34.f3 Ka6 35.Nc3 Nd7 36.Bh6 Re6 37.Be3 Rd6 (37...c4 38.Rd1 Rd6 39.Bd4+=) 38.Nd5= f5 39.Kg3 fe4 40.fe4 Rc6 41.Bf4 Nb6 42.Kf3 Rc8 43.Rd1 Ng7 44.Nf6 h5 45.Bh6 Ne6 46.e5 (46.Nh5? Rh8 47.Be3 Rh5–+) 46...Nc4 47.Ke4 (47.Nh5? Rh8 48.Bc1 Rh5–+ (48...Ne5?! 49.Kg3+=)) 47...Kb5 48.Rd3 (48.Nh5? Rh8 49.a4 Kc6–+) 48...a4 49.Bg5 (49.Nh5? Rh8 50.Nf6 Rh6–+) 49...Rf8 (49...Ng5? 50.hg5 h4 51.e6+–) 50.Nh5 Rf1 51.Nf6 Ng5 52.hg5 Re1 53.Kf5 Ne5 54.Rg3 Nc6 55.Ne4 Ne7 56.Ke5 c4 57.Rc3 a6 58.Rh3 a5 59.Rg3 Ng6 60.Kf5 Ne7 61.Ke5 Nc6 62.Kd5 Rd1 63.Ke6 Re1 64.Kd5 Rd1 65.Ke6 Re1 66.Kd5 ½–½. Gull 3 64_bit 4CPU – Hannibal 1?5 64_bit 4CPU, CCRL, 2015.

7.e3 Bg4 8.Nf3 Bf3 9.gf3 0–0–0 10.Be2 Kb8 11.Rg1 Rhg8 12.Qb3 Qd7 (12...Bd2 13.Nd2 Qd2 14.Kf1+=) 13.a3 (13.Bb5 Bd2 14.Ke2 Bb4 15.Qb4 Nb4 16.Bd7 Nd7+=) 13...Ba5 14.Rg3 Nh5 15.Rg4 f5 16.Rg5 g6 17.f4 Nf4 18.ef4 Rge8 19.Kf1 Nd4 20.Bd4 Qd4 21.Ra2 Bb6 22.Qf3 Re4 23.Rg2 Rf4 24.Qg3 h5 25.h3 (25.Qg6?? Rf2 26.Ke1 Qe4 27.Rf2 Qb1 28.Bd1 Bf2 (28...Qa2?! 29.Rg2–+) 29.Kf2 Qa2 (29...Qd1?! 30.Qf5 Rg8 31.d3–+) 30.Qf5 h4–+) 25...h4 26.Qe3 (26.Qg6?? Rf2 27.Ke1 Qe4 28.Rf2 Qb1 29.Bd1 Bf2 30.Kf2 Qa2–+) 26...Qd6 27.Qb3 g5 28.Nc3 g4 29.Nd1 g3 30.Rb2 a5 31.f3 a4 32.Qb5 Rd4 33.Rb1 Rd2 34.Nb2 Qd4 35.Nd1 f4 36.Nb2 c6 37.Qb4 Bc5 38.Qd4 R8d4 39.Nc4 Re2! 40.Ke2 Rc4 0–1. Wantoch_Rekowski,Jacek (1860) – Borisovs,Leonids (2230), RA–2010–0–00110, 2010.

7.Nf3 Qf5 8.Nc3 Be6 9.a3 Bd6 10.e3 a6 11.Be2 0–0 12.0–0 Qh5 13.d4 Bg4 14.g3 (better is 14.h3!? Bh3 15.gh3 Qh3 16.Qc2=) 14...Na5 15.Re1 Nc4 16.Bc1 Rae8 17.Nd2 Be2 ½–½. Henke,Simon – Ramirez Hernandez,Hugo, RD–2008–0–00012, 2008.

7.a3 Ba5

8.Nc3 Qd6 9.Nf3 0–0 10.e3 Bg4 11.Be2 Bf3 12.gf3 Rad8 13.Qc2 Rfe8 14.0–0–0 Qe7 15.Na4 Nd4 16.Bd4 Rd4 17.ed4 Qa3 18.Qb2 Qb2 (18...Qa4? 19.Bb5 Qb4 20.Be8 Ne8 21.Rde1+–) 19.Nb2 Re2 20.Nc4 Bb4 21.Ne5 Nd5 22.Nd3 Re8 23.Rhe1 Rd8 24.Re2 Bd6 25.Kc2 b6 26.Ra1 a5 27.h4 Ra8 28.h5 f6 29.Kb3 b5 30.Ka2 a4 31.Rg1 Kf7 32.Re4 b4 33.Reg4 Rg8 34.Kb1 a3 35.Ka2 f5 36.Rh4 Rb8 37.Ne5 Ke6 38.Kb3 Be5 39.de5 Ra8 40.Rc4 Ke5 41.Rc2 Rg8 42.Rc5 Kd6 43.Ra5 c6 44.Ra6 g5 45.Rc1 Rc8 46.Ra7 Rh8 47.h6 Nf4 48.Re1 Rb8 49.Ree7 Ne6 50.Rad7 Ke5 51.d4 Kf6 52.Rh7 f4 53.Rhf7 Kg6 54.Rfe7 Kf6 55.h7 Nd4 56.Kc4 a2 57.Rf7 Ke5 58.Rde7 Ne6 59.Ra7 b3 60.Rfb7 Rh8 61.Ra5 Kf6 62.Kc3 Kg6 63.Raa7 a1Q 64.Ra1+/– Rh7 65.Rh7 Kh7 66.Ra3 Kg6 67.Rb3 Kf5 68.Rb6 c5 69.Rc6 Ke5 70.Kc4 Kf5 71.Rc8 g4 72.fg4 Kg4 73.Kd5 Ng5 74.Rg8 Kf5 75.Rg7 f3 76.Rg5 ½–½. Degterev,Pavel (2275) – Meulemans,Bart (2090), BI–2010–P–00005, 2010.

8.Nc3 Qf5 9.e3 Be6 10.Nf3 0–0 11.Be2 Ne5 12.Ne5 Qe5 13.0–0 Rad8 14.Rc1 c6 15.Na4 Qg5 16.Bf6 Qf6 (worse is 16...gf6 17.d4+=) 17.d4 Bd5 18.Nc3 Bc3 19.Rc3 Rfe8 20.Bc4 Qe6 21.Qb3 Re7 22.Qa4 a6 23.Qb4 f5 24.Rfc1 Qe4 25.f3 Qe6 26.Bd5 Rd5 27.a4 Red7 28.Rd3 Kf7 29.h3 Qf6 30.Qb3 Kg6 31.Qb1 Re7 32.Rcd1 Qe6 33.Re1 Qd7 34.Rc1 Qe6 35.Qc2 h6 36.Rb1 Kf6 37.Rb6 g5 38.Qb3 Qf7 39.e4 fe4 40.fe4 Re4 41.Rf3 Rf4 42.Rb7 Qe6 43.Qc3 Qd6 44.Rb6 Kg7 45.Rc6 Rf3 46.Rd6 (46.gf3?! Qg3 47.Kf1 Qh3 48.Ke2 Qh2 49.Kd3 Qf4 50.Rc7 Kf6 51.Qc6 Qd6=) 46...Rc3 47.Rd5 Rc4 48.Ra5 Rd4 49.Ra6 Rd2 50.a5 Ra2 51.Ra8 Kf6 52.a6 Kg7 53.g4 Kh7 ½–½. Degterev,Pavel (2275) – Jordan,Juergen (2195), WC–2008–F–00004, 2008.

8.Nc3 Qf5 9.Nf3 0–0 10.e3 Ne5 11.Ne5 Qe5 12.Be2 c6 13.0–0 Rd8 14.d4 Qg5 15.Rc1 Bf5 16.Na4 Ne4 17.Nc5 Nc5 18.Rc5 Bb6 19.Rc1 Rd6 20.g3 Rad8 21.a4 Bh3 22.Re1 c5 23.Bc4 Qg6 24.Qf3 cd4 25.ed4 Bd4 26.Re7 Qf6 27.Rf7 Qf3 28.Rf3 Kh8 29.Bd4 Rd4 30.Bf1 Bf1 31.Kf1 R4d7 32.Kg2 g6 33.Rfc3 ½–½. Degterev,Pavel (2240) – Mary,Patrick (2150), BI–2010–F–00004, 2011.

8.e3 Qf5 9.Be2 0–0 10.Nf3 Qg6 11.Nh4 Qg5 12.Nf3 Qg6 (12...Qg2? 13.Rg1 Qh3 14.Bf6+–) 13.Nc3 Rd8 14.0–0 Bh3 15.Ne1 Ne7 16.Kh1 Be6 17.Nf3 c6 18.Nd4 Bc8 19.Na4 Bc7 20.f4 Nf5 21.Bf3 Nh4 22.Qe2 Nf3 23.gf3 Qh5 24.Rg1 Qh4 25.Nc5 g6 26.Ne4 Ne4 27.fe4 Qe7 28.d3 c5 29.Nb5 c4 30.Qc2 Bb6 31.dc4 Re8 32.c5 Qc5 (32...Bc5 33.Rad1 a6= (33...Qe4? 34.Qe4 Re4 35.Rd8 Bf8 36.Rc1+–; 33...Be3? 34.Qc3 Qe4 35.Rg2+–)) 33.Qc5+/– Bc5 34.Nc7 Bd7 35.Bd4 (worse is 35.Ne8 Re8 36.Bd4 Bd4 37.ed4 Re4=) 35...Bd6 36.Ne8 Be8 37.Rgd1 Bc6 38.Kg1 Be4 39.Bf6 Bc7 40.Kf2 Bc6 41.Rd3 Re8 42.Rad1 Ba4 43.R1d2 Bb5 44.Rd5 Bc6 45.Rc5 a6 46.Rd1 h6 ½–½. Degterev,Pavel (2275) – Podgursky,Artur (2245), RM–2009–0–00038, 2009.

8.Nf3 Bg4 9.e3 Bf3 10.gf3 0–0–0 11.Be2 (11.Rg1 Rhg8+=) 11...Rhe8 (11...Qg5 12.f4 Qg6 13.Kf1+=) 12.Rg1+= Qe6 13.Qa4 Nd5 14.Bc3 (14.Bg7 h5 15.Qh4 f6+=) 14...Nc3–/+ 15.Nc3 Qd6 16.Rd1 Qh2 17.Qg4 Kb8 (17...Rd7 18.Qg7 Red8 19.Nb1+=) 18.Qg7+= a6 19.Ne4 (19.Qg3 Qh6+=) 19...f5 20.Qg3 (20.Rg2!? Qh4 21.Qg5 Qh1 22.Rg1–/+) 20...Qh6–/+ 21.Qg5 (21.Nc5 Qf8 22.Nb3 Qa3 23.Na5 Qa5–/+) 21...Qf8 (21...Qe6!? 22.Ng3 Bd2 23.Kf1–/+) 22.Ng3–/+ Bd2 (22...Qa3 23.Qf5 Rd2 24.Kf1+=) 23.Kf1 (23.Rd2!? Rd2 24.Kd2 Qa3 25.Nf5 Qb4 26.Kc2–/+) 23...f4–/+ 24.Qf4 Qf4 25.ef4 Bf4 26.Rd8 Rd8 27.Rh1 (27.Ne4 Bc1–/+) 27...b5 (27...h6 28.Rh4 Rf8 29.Ne4–/+) 28.Rh7 Bc1 29.a4 (29.Nf5!?–/+) 29...ba4–+ 30.Ba6 (30.Rh4 Nd4 31.Kg2 a3–+) 30...a3 31.Bc4 Ne5 32.Bb3 Rd3 33.Be6 (33.Bg8 c5 34.Rh4 Rd8–+) 33...Rd1 (worse is 33...Rf3 34.Ke2 Rf4 35.Rh5–+) 34.Ke2 (34.Kg2 Rd2 35.Rh5 Nd3 36.Rb5 Ka7–+) 34...Rd2 35.Kf1 a2 36.Ba2 Ra2 37.Ne2 Ra1 (37...Bb2 38.f4 Nc4 39.Kg2–+) 38.Kg2 (38.Nc1 Rc1 39.Ke2 Rc2 40.Ke3 Nc4 41.Kd3 Rc1–+) 38...Nd3 39.Kg3 (39.Rd7 Nf4 40.Nf4 Bf4–+) 39...Bb2 40.Rd7 (40.f4 c5–+) 40...Rd1 (40...Ra3 41.Rd8 Kb7 42.f4–+) 41.f4 (41.Re7 c5 42.f4 c4–+) 41...Nf2! 42.Re7 (42.Kf2 Rd7 Discovered attack) 42...Nd3 43.Re8 (43.Re4 c5–+) 43...Kb7 44.Re4 (44.f5 c5 45.Kf3 c4–+) 44...Rf1 45.Re3 (45.Kg2 Rf2 46.Kg3 c5–+) 45...Nc1 46.Nc1 (46.f5 Re1 47.Kf3 Re2 48.Re2 Ne2–+) 46...Bc1 (46...Rc1?! 47.Rb3 Kc6 48.Rb2=) 47.Rb3 Kc8 48.Rb4 (48.Rb5 Bf4 49.Kg2 Rc1–+) 48...Bf4! (48...Bf4 49.Kg4 Bd6–+) 0–1. Degterev,Pavel (2475) – Kunzelmann,Fred (2475), CL/, 2010.

8.Nc3 Qh5

9.e3 Bg4 10.Be2 0–0 11.Nf3 Rad8 12.0–0 Bc3 13.Bc3 Nd5 14.Rc1 Rd6 15.Nd4 Be2 (worse is 15...Nc3 16.Bg4 Nd1 17.Bh5 Nd4 18.ed4+/– (worse is 18.Rfd1 Ne6+=; 18.Rcd1?! Rd5=; worse is 18.Bd1 Ne6+=)) 16.Ne2 Rfd8 17.d4 Rh6 18.h3 Rg6 19.Qd3 Qg5 20.Ng3 a6 21.Be1 Qe7 22.Kh1 Nb6 23.f4 Qd7 24.f5 Rf6 25.Ne2 Re8 26.Bg3 g6 (26...Nc8 27.e4 Nb6 28.Kg1+=) 27.e4 gf5 28.ef5 Kh8 29.d5 Ne5 30.Qd4 Qd5 31.Rc7 Qd4 32.Nd4 Nec4 33.Rb7 Kg8 34.Rc1 (34.Rb1 Nd5 35.R1b3 Nde3+/–) 34...h5 (34...Na3 35.Rcc7+=) 35.Kh2 Rc8 36.Re7 Rd8 37.Bf2 Rd5 38.Rc3 Rfd6 39.Re8 (39.Re8 Kg7 40.Nf3+/–) 1–0. Degterev,Pavel (2225) – Meulemans,Bart (2165), WC–2014–S–00011, 2011.

9.e3 Bg4 10.Be2 0–0 11.Nf3 Rad8 12.0–0 Rd6 13.Qb3 Qg6 14.Qb7? Rb8 15.Qa6 Bc8 16.Qc6 Rc6–+.

9.e3 Bg4 10.Be2 0–0 11.Nf3 Rad8 12.0–0 Rd6 13.Qb3 Qg6 14.Qb7?? Rb8 15.Qb8 Nb8–+.

9.e3 Bg4 10.Be2 0–0 11.Nf3 Rad8 12.0–0 Rd6 13.Qb3 Qg6 14.Rfd1 Be6 15.Qa4 (15.Qb7?? Rb8 16.Qb8 Nb8–+) 15...a6 16.d3 Rfd8 17.Qh4 Bf5 (worse is 17...Rd3 18.Rd3 Rd3 19.Bd3 Qd3 20.Rd1+=) 18.d4 Re8 19.Rac1 h6 20.Qg3 Qh7 21.Nh4 (21.Ne5 Bc3 22.Bc3 Bc2+=) 21...Bc2 (better is 21...Bc3!? 22.Bc3 Bc2–/+) 22.Rd2= Be4 23.f3 (23.Ne4?? Ne4 (worse is 23...Qe4 24.Rdc2+=) 24.Qd6 cd6–+) 23...g5 24.fe4 (24.Bc4 b5 25.Ba2 Bd3+=) 24...Ne4= 25.Ne4 Qe4 26.Bc3 Qh4 27.Qh4 gh4 28.Kf2 Bc3 29.Rc3 Ne7 30.Bf3 c6 31.Rb2 Rb8 32.Rc5 f5 33.Ra5 Rdd8 34.Be2 Kf8 35.Kf3 b5 36.Ra6 Ra8 37.Ra8 Ra8 38.Rb3 Kf7 39.Rc3 Ke6 40.Kf2 Kd6 41.Bf3 Attacks the backward pawn on c6 41...Ra4 42.Ke2 f4 43.ef4 Rd4 44.Rd3 Kc5 45.Rc3 ½–½. Degterev,Pavel (2475) – Champion,Chris (2395), CL/, 2010.

9.e3 Bg4 10.Be2 0–0 11.Nf3 Rad8 12.0–0 Rd6 13.Qb3 Qg6 14.Nh4 Qh5 15.Nf3 Qg6 16.d4 (16.Qb7? Rb8 17.Qa6 Bc8 18.Qc6 Rc6–+) 16...Bh3 17.Ne1 Be6 18.Qd1 (18.Qb7? Rb8 19.Qa6 Rb2–+) 18...Bf5 19.Rc1 Re8 20.Kh1 h6 21.Nf3 Bc3 22.Bc3 Be4 23.Ne1 Bd5 24.Bb2 a6 25.Bd3 Qg5 26.Kg1 Rd7 27.g3 Be4 28.Be4 Ne4 29.Nd3 h5 30.h4 Qb5 31.a4 Qd5 32.Re1 Qf5 33.Qe2 Nf6 34.Rc4 Ne4 35.Kg2 Na5 36.Rcc1 Qg4 37.Rc2 Qe2 38.Ree2 f6 39.Re1 c6 40.Nf4 b5 41.Nh5 Nc4 42.Ra1 Kf7 43.Nf4 c5 44.h5 Rc8 45.Rac1 Rdc7 46.d5 Rd7 47.g4 Rb7 48.Ba1 Rd7 49.Re1 Na3 (49...Na3 50.Rcc1 Nc4+=). Degterev,Pavel (2225) – Champion,Christopher (1800), CP–2007–S–00001, 2010.

9.e3 Bg4 10.Be2 0–0 11.Bg4 Ng4 12.Nf3 Rfe8 13.Rb1 Rad8 14.0–0 Bb6 ½–½. Muri,Heinrich (2355) – Bravo,William (2345), corr WS/MN/078 ICCF, 2012.

9.e3 Bg4 10.f3 Be6 11.Bb5 Qc5 12.Nge2 0–0–0 13.Qa4 Qb6 14.Qc2 Ne5 15.Nd4 Rd4 16.ed4 Nf3 17.gf3 Bc3 18.dc3 (worse is 18.Qc3 Qb5 19.Rc1 Nd5–/+) 18...Qb5 19.Kf2 Rd8 20.h4 Nh5 21.a4 Qc6 22.Qh7 g6 23.Qh6 Bd5 24.Qg5 Bf3 25.Rhe1 Be4 26.Re2 a6 27.c4 Bd3 28.Re7 Bc4 29.Rc1 Rd5 (29...Qa4? 30.Qc5 Qc6 31.Qc6 (31.Rc4?! Qc5 32.dc5 Rd2 33.Re2 Re2 34.Ke2 Ng3 35.Kf3 Nf5+–) 31...bc6 32.Rc4+–) 30.Re5 f6 31.Rc4 fg5 32.Rc6 Re5 33.de5 bc6 34.hg5 Nf4 35.Kf3 Ne6 36.Bc1 Nc5 37.Ba3 Na4 38.e6 Kd8 39.Ke4 c5 40.Kd5 Ke7 41.Bc1 Nc3 42.Kc5 Ke6 43.Kc6 Nd5 44.Bd2 Ke5 45.Kc5 Nf4 46.Kc6 Ne6 47.Bc3 Ke4 48.Bb4 Ng5 49.Kc7 Ne6 50.Kb6 g5 51.Ka6 g4 52.Be1 Kf3 53.Kb5 Nf4 54.Kc4 Ng2 55.Bc3 Ke4 56.Ba5 Ne3 57.Kb3 g3 0–1. Degterev,Pavel (2275) – Contreras Poblete,Juan Antonio (2310), WC–2010–S–00006, 2007.

7.Nc3 Qf5

8.Nf3 Bc5 9.e3= Ne5 (9...Ne5 10.Ne5 Qe5+–). algernon (2320) – dennism (2385), net–chess.com, 2004.

8.Nf3 0–0

9.e3 Rd8 10.a3 Ba5 11.Be2 Qg6 12.0–0 Bh3 13.Ne1 Ne7 (13...Rd6 14.d4+= Re8 15.Bd3 Bf5 16.Bf5 Qf5=; 13...Bg4 14.Bg4 Ng4 15.d4 Bc3 16.Bc3 Nf6=) 14.Kh1 (14.d3 Bf5= 15.Qb3 Nc6 16.Qb7 Rab8=) 14...Be6+= 15.Nf3 c6 (15...c5 16.Ne5 (16.Qa4 b6 17.Rac1+=) 16...Qf5+=) 16.d3 (16.Ne5 Qf5=) 16...Bc7 (16...Ned5=) 17.Qa4 (17.Qc2 Nf5=) 17...Nf5 18.Rab1 Qh6 19.h3 (19.Bc1 b5 20.Qa6 Bb6=) 19...b5 (19...Nd6=) 20.Qd1 (20.Qc2 a6 21.e4–/+) 20...Nh4–/+ 21.Nh4 (21.Ng1 Qg6 22.g3 Nf5–/+) 21...Qh4 22.f4 Bh3 23.Qe1 Qe1 24.Rfe1 Bd7 25.Bf3 Rac8 26.Nd1 Nd5 27.Rc1 Re8 28.g3 Bd6 29.Kg1 Nb6 30.Nc3 Bf8 31.Kf2 a5 32.Re2 Red8 33.Rd2 Be6 34.Ke1 b4 35.ab4 Bb4 36.Ke2 a4 37.Ba1 c5 38.Rb1 Bb3 39.Bb7 Rc7 40.Be4 c4 41.f5 Re8 42.Nb5 Rcc8 43.Rdd1 cd3 44.Bd3 Bd1 45.Rd1 Nc4 46.e4 Na5 47.Na7 Rc7 48.Nb5 Rd7 49.Nd4 Bc5 50.Nf3 Nb3 51.Rb1 Na1 52.Ra1 a3 53.Ra2 Rb7 54.Nd2 Rb2 55.Rb2 ab2 56.g4 Rc8 57.Nb1 Bd4 58.Kd2 Kf8 59.Bc2 Ke7 60.Kd3 Kf6 0–1. Hansen,Marco (2290) – Schneider,Hans (2365), CiF, 2009.

9.e3 Rd8 10.a3 Ba5 11.Be2 Qg6 12.Qa4 a6 (12...Qg2 13.Rg1 Qh3 14.Ne4=) 13.Rc1 Rd6 (worse is 13...Qg2 14.Rg1 Qh3 15.Ne4 Ne4 16.Qe4+/– (16.Rg7?! Kf8 17.Qe4 Bf5+–)) 14.Qf4 h6 (worse is 14...Qg2 15.Rg1 Qh3 16.Ne4+/–) 15.0–0 Bg4 16.Nb1 Rad8 Exerts pressure on the backward pawn 17.Bf6 (better is 17.d3!?=) 17...Bf3 (17...Rf6!? 18.Qg3 Bf3 19.Qg6 Rg6 20.Bf3 Bd2=) 18.Bf3+= ½–½. Taulien,Hans_Juergen (2350) – Rivas Maceda,Juan (2345), Witold–ROW(s), 2012.

9.e3 Ne4 10.Ne4 Qe4 11.Rc1 Be6 12.a3 Ba5 13.Bb5 Bd5 14.0–0 Rad8 15.d4 Qe6 16.Bd3 f5 17.Rc5 Bb6 18.Rd5 (18.Rc3!?=) 18...Qd5+= (worse is 18...Rd5 19.Bc4=) 19.Qe2 Na5 20.Bc3 Kh8 21.Rb1 Qd6 (21...c6 22.Ne5 Bc7 23.e4=) 22.Nh4 Qf6 (22...Qa3?? 23.Bb4 Qa4 24.Bb5 (24.Bf8?! Rf8 25.Nf5 g6+/–) 24...Qb4 25.Rb4+–) 23.g3 (23.Nf5 Nc6=) 23...c5 (23...Nc6 24.Nf5 Rd5 25.Qb2+=) 24.Bf5 g6 (worse is 24...cd4 25.Qh5 Qf5 26.Nf5 dc3 27.Qg5+/–) 25.Bg6 cd4 26.Qh5 Rd7 27.ed4 Nc6 28.Be4 Rg7 29.Rd1 Qf2 30.Kh1 Qf6 31.Qf3 Qf3 32.Bf3 Ba5 33.Ba1 Rgf7? 34.d5+– (34.d5 Kg8 35.dc6 bc6 36.Kg2+–) 1–0. gioco1b4 (2515) – Interliner (2585), ChessWorld.net, 2013.

9.e3 Ne5 10.Ne5 Qe5 11.Be2 c6 12.0–0 Rd8 13.d4 Qa5 14.Rc1 Be6 15.a3 Bd6 16.Qc2 Rac8 (16...Ba3? 17.Ra1+–) 17.Bf3 h6 (17...Ba3? 18.Ra1 Qf5 19.Qf5 Bf5 20.Ba3+–) 18.Rfe1 Qg5 (18...Ba3? 19.Ra1+–) 19.g3 Bh3 20.e4 c5 21.d5 c4 22.Nb5 Bc5 23.Bd4 Nd7 24.Bc5 Rc5 25.Nd4 (worse is 25.Na7 Ra8 26.Qa4 Qd8–+) 25...Qf6 26.Qc3 Re8 27.Rcd1 Ne5 28.Be2 g5 29.f3 b6 30.Nc6 Bd7 31.Ne5 Qe5 32.Qe5 Re5 33.Kf2 c3 34.Rd4 a5 35.Rc1 Re8 36.Ke3 f5 37.Rc4 Rd5 38.R1c3 fe4 39.fe4 Rde5 40.Rd4 Kf8 41.Bd3 Bb5 42.Rc7 Bd3 43.Kd3 R5e6 44.a4 Rf6 45.Ke3 Rfe6 46.Rh7 Kg8 47.Rhd7 Kf8 48.Rc4 R8e7 49.Rc8 Kf7 50.Re7 Ke7 51.Rh8 b5 52.ab5 Rb6 53.Rh7 Kf8 54.Kf3 Kg8 55.Ra7 Rb5 56.Kg4 Rb2 57.h3 Rb5 58.Kh5 Rb3 59.Kh6 Rg3 60.Kg6 Kf8 61.Ra5 Rh3 62.Rg5 Ra3 ½–½. Degterev,Pavel (2220) – Almeida,Ramiro (1870), IECG, 2008.

9.e3 Ne5 10.Ne5 Qe5 11.Be2 c6 12.0–0 Bf5 13.Qb3 Qe7 14.d4 Rad8 15.Bf3 Be6 16.Qa4 Rfe8 17.a3 (17.Qa7?? Ra8 18.Qb6 Ra6 19.Qa6 ba6–+) 17...Bd6 18.e4 (18.Qa7?? Ra8 19.Qb6 Ra6 (19...Ba3?! 20.Ba3 Ra3 21.Ra3 Qa3 22.Ne2+=) 20.Qa6 ba6–+) 18...Bb8 19.Rfd1 Ng4 20.h3 Nh2 21.Be2 Bh3 (better is 21...Qg5 22.Rd3 b5=) 22.e5?? (better is 22.gh3 Qg5 23.Kh1+=) 22...Qg5–+ 23.g3 Ng4 (23...Bg4 24.Kh2 Be2 25.Ne2 Qh5 26.Kg2 Qe2 27.Qb3 Qe4 28.Qf3–/+) 24.Bc1–/+ Qf5 25.Bf4 h6 (25...Qh5!?–/+) 26.f3= Nf6 27.Bd3 (27.ef6 Bf4 28.Kh2 Qg5–+) 27...Qh5 28.Kf2? (28.ef6 Qf3 29.Qc2 Bf4 30.gf4 Qg3 31.Kh1–+) 28...c5 29.Bb5 g5 (29...Bd7 30.Rh1 Qf5 31.ef6 Bf4 32.gf4 cd4 33.Bd7 Rd7 34.Rag1+/–) 30.Bg5 (better is 30.ef6 gf4 31.Be8 fg3 32.Ke2+=) 30...Qg5+= 31.Be8 cd4 32.f4 Qf5 33.Bf7 Kf7 (33...Kf7 34.Qb3 Kg6–+) 0–1. marekt (1730) – alex_ratchkov (2050), gameknot.com, 2013.

9.e3 Ne5 10.Ne5 Qe5 11.Be2 c6 12.0–0 Bf5 13.d4 Qe6 14.a3 Ba5 15.Rc1 Rad8 16.Na4 b6 17.Bc3 Bc3 18.Nc3 (worse is 18.Rc3 c5–/+) 18...c5 19.Qa4 cd4 20.ed4 Ne4 21.Ne4 Qe4 22.Bf3 Qd4 23.Qa7 g6 24.Rfd1 Qf6 25.Qc7 Rd1 26.Rd1 Rc8 27.Qf4 g5 28.Qb4 h6 29.Be4 Be4 30.Qe4 Qc3 31.h4 (31.a4!?=) 31...Qa3+= 32.hg5 hg5 33.Qe5 Qc5 34.Qf6 Re8 35.g3 g4 36.Qf4 Qh5 37.Qb4 b5 38.Rd4 Re5 39.Rg4 Rg5 40.Re4 Re5 41.Rg4 Rg5 42.Rh4 Qd1 43.Kg2 Qd5 44.f3 Qa2 45.Kf1 Rg3 46.Rg4 Rg4 47.Qg4 Kf8 48.Qb4 Kg7 49.Qb5 Qd2 50.Qe5 ½–½. Buczinski,Henryk (2165) – Manheimer,Gunter (2020), CP–2011–P–00060, 2011.

9.e3 Be6 10.a3 Bc3 11.Bc3 Rad8 12.Bf6 Qf6 13.Rb1 b6 14.d4 Na5 15.Bd3 c5 16.Qc2 Rc8 17.Bh7 Kh8 18.d5 Bd5 19.Be4 Be4 20.Qe4 Qc3 (20...c4 21.0–0+=) 21.Ke2 Rfe8 (21...Qa3 22.Ng5 g6 23.Qh4 Kg7 24.Qh7 Kf6 25.Ne4 Ke7 26.Qh4 f6 27.Rhd1 Qa2 28.Kf3+=) 22.Qd3 Qd3 23.Kd3 Rcd8 24.Ke2 f6 25.Rhd1 Nc4 26.a4 Kg8 27.h4 Kf7 28.Rd8 Rd8 29.g4 Ke6 30.h5 Rd5 31.Rh1 Nd6 32.Rc1 a6 33.Nd2 Kd7 34.f3 Kc6 35.f4 b5 36.ab5 ab5 37.Ra1 b4 38.e4 Rd4 39.Ke3 Nc4 40.Nc4 Rc4 41.g5 Rc3 42.Kf2 fg5 43.fg5 b3 44.Rh1 White prepares the advance h6 44...b2 45.Rb1 Rh3 46.h6 gh6 47.Kg2 Rb3 48.gh6 c4 49.h7 Rb8 50.h8Q Rh8 51.Rb2 Rc8 52.Kf3 c3 53.Rb1 Kc5?? (53...c2 54.Rc1 Kb5=) 54.Ke2= Kd4 55.Rb4 Kc5 ½–½. marekt (2135) – antinephilehi (1980), gameknot.com, 2014.

9.e3 Be6 10.Qb1 Rad8 11.a3 Ba5 12.Be2 Qb1 13.Rb1 Bf5 14.Rc1 h6 15.d4= Ne4 16.0–0 g5 17.Rfd1 Bc3 18.Bc3 Nc3 19.Rc3 Be4 20.Nd2+/– f5? 21.Ne4+– fe4 22.Rb1 Ne7?? 23.Rc7 Nd5 24.Bc4 Rf7 25.Rc5 Rfd7 26.Rd5 Rd5 27.Rb5 Kg7 28.Bd5 b6 29.Be4 1–0. pierre – waterslag, internet, 2009.

7.Nf3 Bg4

8.Qb3 0–0 9.Qd5 (9.Bf6 Qb3 10.ab3 gf6=) 9...Nd5+= 10.e3 Rad8 11.a3 Ba5 12.Bb5 Rd6 13.Nc3 (13.Nd4 Nd4 14.Bd4 a6+=) 13...Bf3 14.gf3 Nc3 15.Bc3 Bc3 16.dc3 Rfd8 17.0–0 Kf8 18.Rab1 Na5 19.Ba4 b6 20.Ra1 Nc4 21.Rfc1 Rd2 22.Bb5 Na5 23.Ba4 R8d3 (23...a6 24.Kg2–/+) 24.Bb5 Rd5 25.c4 Rc5 26.Ba6 Nb3 27.Rd1 Ra5 28.Bc8 Ke7 29.Bh3 Kf6 (29...Na1?! 30.Rd2 Ra3 31.Rd7 Kf6 32.Rc7+=) 30.Rd2 Nd2 31.f4 Nc4 0–1. Pischner,Rainer (2355) – Taulien,Hans_Juergen (2350), remoteschach.de, 2006.

8.Qb3 Qb3 9.ab3 Be6 10.e3 +=.

8.Nc3 Bc3 9.Bc3 0–0–0 10.Bf6 gf6–/+ 11.e3 Bf3 12.gf3 Rhe8 (12...Rhg8 13.Be2–/+) 13.Be2 f5 14.Qc2 Nd4! 15.Qd1 (15.ed4 Qf3 Combination) 15...Re6 16.Rc1 (16.Rg1 f4 17.h4 f5–/+) 16...f4–+ 17.Rg1 (17.ed4 Qf3 18.d3 Rde8–+) 17...fe3 18.fe3 Ne2 19.Qe2 Qa2 20.d4 Qb3 21.Kf2 Rd4! 22.Rb1 (22.ed4 Re2 Pinning (22...Re2 Deflection)) 22...Qd5 23.Rg8 Kd7 24.e4? (better is 24.Rb2–+) 24...Rd2 25.Kf1 (25.ed5 Ree2 (25...Rde2?! 26.Kg3 Rb6 27.Rb6 ab6 28.Rg7–+) 26.Kg1 Ke7–+) 25...Qd4 (25...Re2 26.ed5 R6e5 27.f4–+) 26.Qb5 Ke7 27.Re8 (27.Qb4 Qb4 28.Rb4 Rc6–+) 27...Kf6 28.Qf5 Kg7 29.Qg5 Rg6 30.Qe5 Qe5 31.Re5 b6 32.h4 Rg3 33.Rc1 c5 0–1. Bonatti,Aldo (1750) – Donadio,Andrea, WB/008 – webserver classe B n., 2009.

8.Nc3 Qe6 9.e3 0–0 10.Be2 Rad8 11.0–0 Ne4 12.Ne4 Qe4 13.d4 Bf5 14.Rc1 Rd6 15.a3 Ba5 16.Rc5 Bg6 17.Ne5 Bb6 18.Bf3 Qh4 19.h3?? (19.Ng6 fg6 20.Qb3 Kh8+/–) 19...Qf6 (better is 19...Bc5 20.Ng6 hg6–+ (20...Rg6?! 21.dc5 Qh3 22.Be4–+; 20...fg6?! 21.Qb3 Kh8 22.dc5=)) 20.Rc1+/– Rfd8 21.Nc6 bc6 22.Kh2 1–0. Olcum,Ahmet – Yusufli,Sexavat, Wch U12 Kemer, 2007.

8.Nc3 Qf5 9.e3 Bf3 10.gf3 (10.Qf3 Qc2 11.Bb5 0–0–+ (11...Qb2 12.Rb1 Bc3 13.Rb2 Bb2 14.Bc6 bc6 15.Qc6 Ke7 16.Qc5 Kd8 17.Qb5+=)) 10...0–0–0 11.a3 Nd4 12.ed4 Rhe8 13.Ne2 Qf3 14.ab4 Ng4 15.Qa4 Qh1 16.h3 Nh2 17.0–0–0 Nf1 18.Ng3 Qh3 19.Nf1 Kb8 20.Ne3 Re4 21.d5 g6 22.Bf6 Rc8 23.Bc3 a6 24.Qa5 (24.d3 Rf4 25.Rd2 f6+=) 24...Qd7 25.Kc2 Rf4 26.Rb1 (26.Rf1 Re8–/+) 26...Qb5 (better is 26...Re8!?–/+) 27.Qb5+= ab5 28.Rf1 b6 29.f3 Kb7 30.Kd1 h5 (30...Rh4 31.Ke2+=) 31.Ke2= Re8 32.Rh1 Rf8 33.Ng2 Rf5 34.Ne3 Rf4 ½–½. marekt (2105) – forsetinn (2330), gameknot.com, 2014.

8.Nc3 Qh5 9.e3 0–0 10.Be2 Rad8 11.0–0 Bd6 12.g3 Ne5 13.Ne5 Be5 14.f3 Bf5 15.Rf2 Qg6 16.Qe1 c6 17.d4=+ Bc7 18.Rd1 Rfe8 19.e4 Be6 20.e5 Nd5 21.Bd3 Bf5 22.Bf5 Qf5 23.Ne4 Bb6 24.Kg2 Re6 25.g4 Rg6 26.Kh1 Qe6 27.f4 Qg4–+ 28.f5?? Ne3!! 29.fg6 Qe4 30.Kg1 Qg6 31.Kh1 Qe4 32.Kg1 Qg4 33.Kh1 Qd1 (33...Qd1 34.Rf1 Qe1 35.Re1 Nc4–+) 0–1. Mielke,Sven – Petzold,Marcel, Neubrandenburg op–B, 1999.

8.e3 Bf3 9.gf3 0–0–0 10.a3 Ba5 11.Nc3 Qe6 (11...Qf5 12.Rg1 Ne5 13.Be2 Qh3 14.Qa4; 11...Bc3 12.Bc3 Ne5 13.Be5 Qe5 14.Bc4; 11...Qe5 12.Rb1 Qf5 13.e4 Qf4 14.Rg1) 12.Rg1 (12.Be2 Ne5 13.Qc2 (13.Qa4 Qf5 14.Rg1) 13...Qh3 14.f4) 12...g6 (12...Ne5 13.Nb1 g6 14.Rg5) 13.Be2 (13.Rg3 Nh5 14.Rg4 Ne5+=; 13.f4 Rhe8 (13...Rd7 14.Rc1) 14.Bg2) 13...Rhe8 (13...Qh3 14.Rf1–/+ (14.f4 Qh2 15.Rf1–/+)) 14.Kf1 (14.Rg3+=) 14...Nd5 15.Ne4 Bd2 16.Qd2 Nf4 17.Qd8 Rd8 18.ef4 Nd4 19.Bd4 Rd4 20.Kg2 f5 21.Ng3 Qd6 22.Rge1 Qf4 23.Bf1 Qg5 24.Rab1 c6 25.Re6 Rd2 26.Rbe1 Kc7 27.Re7 Rd7 28.R7e6 a5 29.R1e2 b5 30.R2e5 a4 31.Re3 Rd6 32.Re8 h5 33.Kh3 Rd4 34.R3e7 Kd6 35.Rg7 h4 36.Ne2 Rd3 37.Rg6 Qg6 38.Rd8 Kc7 39.Rd3 Kb6 40.Rc3 Qd6 41.Ng1? Qd4–+ 42.Rc1 Qf2 (42...Qf2 43.Be2 Qe3–+) 0–1. Buczinski,Henryk (2195) – Daurelle,Herve (2215), WC–2011–F–00004, 2011.

8.e3 Bf3 9.gf3 0–0–0 10.Nc3 Qh5 11.f4 Qg6 ½–½. Buczinski,Henryk (2205) – Figura,Atila Gajo (1980), SA–2010–0–00171, 2010.

8.e3 Bf3 9.gf3 0–0–0 10.Be2 Rhe8 11.Nc3 Qh5 12.a3 Ba5 13.h4 Nd4 14.Kf1 (14.ed4 Bc3 15.dc3 Qf3 16.Rg1 Re2 17.Qe2–/+) 14...Ne2–/+ 15.Qe2 g5 16.Rc1 g4 17.f4 (17.fg4!? Ng4 18.Ke1+=) 17...Kb8 18.Rh2 Rg8 19.d3 Qh6 20.Nd1 Nd5 21.h5 Bb6 22.Nc3 Nc3 23.Bc3 g3 24.Rg2 gf2 25.d4 Qc6 26.Qf2 Qe4 27.Bd2 c5! 28.dc5 Rg2 29.Qg2 Qg2 30.Kg2 Rd2 31.Kf3 Bd8 32.Rg1 Rh2 33.Rg7 Rh5 34.Rf7 Rc5 35.a4 h5 36.Rf8 Kc8 37.Rh8 a5 38.e4 Rc3 39.Ke2 h4 40.e5 h3 41.f5 h2! 42.e6 Kc7 43.Rh7 Kd6 (43...Kd6 44.Kf2 Rc2 45.Kg3 Bf6–+) 0–1. Buczinski,Henryk (2165) – Kravtsov,Vladimir (2185), SA–2011–0–00215, 2011.

7.Bf6 gf6

8.a3 Ba5 9.e3 Qc5 10.Nf3 Bf5 11.Be2 Rg8 12.0–0 Bh3 13.Ne1 0–0–0 (13...Qe5 14.Nc3=) 14.f4 (14.Kh1 Qd5 15.Rg1 Qg5=) 14...Qb6 15.Bh5? (15.Bf3 Qb2 16.Bc6 Qa1–+) 15...Bf5 (better is 15...Qb2 16.Bf7 Qa1 17.Bg8 Rg8+=) 16.Qc1+= Nd4 17.Bd1 (17.ed4 Qd4 Double attack) 17...Kb8 18.Rf2 Nb3 Increases the pressure on the backward pawn 19.Bb3 Qb3 20.Nc3 c5 21.Nd1 Qd5 22.Nc3 Qc4 23.a4 Rge8 24.h3 b6 25.Kh2 Ka8 26.Nf3 Qe6 27.Qb2= Bd3 28.Rc1 a6 29.Ne1 Bg6 30.Nf3 h6 31.Nd1 Rd3 32.Nc3 Bh7 33.Re2 Red8 34.Ne1 R3d7 35.Nf3 Bd3 36.Rf2 Kb7 37.Ne1 h5 38.Nf3 Rc8 39.Kg1 f5 40.Ne5 Rd6 41.Kh2 f6 42.Nd3 Rd3 43.Re2 h4 44.Rc2 Rg8 45.Qc1 Rg3 46.Nd1+= Bb4 47.Nb2 Rb3 48.Qd1 b5 49.Qa1 Qe4+= 50.d3 Qd5 51.Qa2+/– Qg8 52.ab5 ab5 53.Qa1 Qd5 ½–½. Puoli,Hernan (2330) – Au Cardero,Ramon (2305), CADAP XXII Zonal Preliminares – Grupo, 2007.

8.a3 Ba5 9.e3 Bf5 10.Nc3 Qc5 11.Rc1 0–0–0 12.Qb3 Ne5 (12...Kb8 13.Nf3–/+) 13.Nf3 (13.d4 Qd6 14.Qb2 Nc6+=) 13...Be6 14.Qb2 Nf3 15.gf3 Rhg8 16.h4 f5 (16...Qe7 17.Be2–/+) 17.Rc2 Qe7 18.f4 (18.Nb5 Kb8 19.Nd4 Bd7–/+) 18...Bd7 (18...c6 19.Be2–/+) 19.Bb5 a6 20.Bd7 Qd7 21.h5 Kb8 22.Rf1 Qc6 23.Qa2 Rd3 24.Ke2 (24.Qf7 Rgd8 25.Ke2 Bc3 26.dc3 Qg2 27.Qf5 Re3 28.Ke3 Qf1–+) 24...Rgd8 (24...Qd7 25.Rb1 Rd8 26.a4–+) 25.Rg1 Qf6 26.Rg5 (26.Qc4 Bc3 27.dc3 R3d7–+) 26...h6 27.Rg1 c6 28.Rb2 Ka8 29.Qb3–/+ R3d7 30.Qc4 Qh4 31.Qc5 Qh5 32.Ke1 Qh2 33.Rf1 Bc3 34.Qc3 Qg2 35.d4 Rd5 36.Qb3 Rb5 37.Qc2 Rb2 38.Qb2 h5 39.Ke2 h4–+ 40.Qb1 Qg4 41.f3 Qg6 42.Rg1 Qe6 43.Qb2 Re8 44.Qd2 h3 45.a4 Qh6 46.Kf1 Qh8 47.a5? c5! 48.d5? c4 49.Qd4 h2 50.Qh8 hg1R 51.Kg1 Rh8 (51...Rh8 52.Kf2 Rh2 53.Ke1 Kb8–+) 0–1. Wantoch_Rekowski,Jacek (2245) – Kolanek,Roman (2095), 54. Championship Poland Semifinal, 2009.

8.a3 Qe5 9.Ra2 Be6 10.Nf3+= Qd6 11.Ra1 Ba5 12.e3 0–0–0 13.Qc2 Bd5 14.Be2 Ne5 15.Nh4 Rhg8 16.Nf5 Qd7 17.e4 Bc6 18.0–0?? Qf5!!–+ 19.ef5 Bg2 20.Rc1–+ Nf3 21.Bf3 Bf3 22.Kf1 Bg2 23.Kg1 Be4 24.Kf1 Bc2 25.Rc2 Rg5 26.Raa2 Rf5 27.Nc3 Bb6 28.Ne4 Rf4 29.Rc4 Rd4 30.Rd4 Bd4 Black is in command 31.d3 Kd7 32.Kg2 Rg4 33.Ng3 Rg5 34.h4 Rb5 35.Kf3 Rb2 36.Rb2 Bb2 37.a4 Ke6 38.Ke4 c6 39.d4 b5 40.ab5 cb5 (40...cb5 41.Nf5 a5 42.Ng7 Kd7–+) 0–1. Mroz,Antoni – Powalowski,B, corr Poland, 1984.

8.Qb3? Be6 9.Qd5= Bd5 10.e3 0–0–0 11.Ne2 Be4 12.Nbc3 Bc3 13.Nc3 f5 14.d4+= ½–½. Kuhn,Heinz (1675) – Schackmann,Ralf, GER Cup Amateur GrC 1st, 2000.

8.Nc3 Qa5 9.Qc1 Bf5 10.Nf3? (10.a3 Nd4 (10...Bd6–/+ 11.e4 Bg6 12.Qb2 0–0–0 13.Rb1 b6 14.Qc2 f5 15.Nb5–/+) 11.ab4 Qa1 12.Qa1 Nc2 13.Kd1 Na1 14.e4 Be6 15.d4–/+; 10.Qb2 0–0–0 11.a3 Nd4 12.ab4 Qa1 13.Qa1 Nc2 14.Kd1 Na1 15.e4–/+; 10.e4 Bc3 11.Qc3 Be4 12.Qf6 0–0 13.f3 Bg6 14.Be2 Rad8 15.Qc3–/+; 10.g4 Ba3 11.Qd1 Bg4 12.Bg2 Bb2 13.Qb3 Ba1 14.Qb7 Rb8 15.Qc6–+) 10...0–0–0 (better is 10...Ba3!? 11.Qd1 Bb2–+) 11.a3–/+ Bc3 (11...Be7!?–/+) 12.Qc3+= Qc3 13.dc3 Rd6 14.e3 Rhd8 15.Be2 Ne5 16.Nd4 Bd7 17.0–0 c5 18.Nf3 Bc6 19.Ne5 fe5 20.Rfd1 f5 21.Kf1 a6 22.Rd6 Rd6 23.Rd1 Kc7 24.Rd6 Kd6 25.Bd3 Bd7 26.Ke2 b5 27.Kd2 a5 28.Kc2 a4 29.Be2 Be8 ½–½. pzn2pawn (1855) – goriupp, redhotpawn.com, 2016.

8.Nc3 Qa5 9.Qc2 Be6 10.e4 0–0–0 11.Nf3 Rhg8 12.Rg1 f5 13.Bd3 fe4 14.Be4 Rge8 15.Ne2 Bg4 16.Rd1 Qa6 17.a4 Kb8 18.h3 f5! 19.hg4 Re4 20.Qe4 fe4 21.Ng5 Rd2! 22.Rd2 Qa4 23.Nf4 Nd4 (24.f3 e3 25.Nd3 Qa1 26.Nc1 Qc1#) 0–1. Bestia03g – Fortress162, computer chess game, 2000.

8.Nc3 Bc3 9.dc3 Qe5 10.Rc1 Be6 11.Nf3 Qa5 12.a4 Bd7 (12...Ne5 13.Qd4=) 13.Qb3+= 0–0–0 14.Rb1 (14.Qf7 Qf5+=) =. Diener,Rudolf – Otto,Zdenek, corr ICCF T–19–F, 1993.

8.Nf3 Be6 9.e3 0–0–0 10.Be2 Rhg8=+ 11.Kf1 Ne5 12.d4 Rg2! 13.Ne5 fe5 14.Bf3 Qc4 (14...Qc4 15.Be2 Qc6–+) 0–1. Borrmann,Fritz – Rohde,Friedhelm, corr SOK–94–102, 1994.

8.Nf3 Bf5 9.Nc3 Qc5 10.Qb3 =.

8.Nf3 Bf5 9.e3 0–0–0 10.Qb3 Qb3=+ 11.ab3 Rhg8 12.Nc3 a6 13.Rg1 Bd3 14.Bd3= Rd3 15.Rc1 f5 16.Ke2= Rgd8 17.Rgd1 h6 18.h3 f4 19.e4 R3d6 20.d3 Re8=+ 21.Na2 Ba3 22.Rc4 f5 23.Nd2 b5–/+ 24.Rc3 Bb2 25.Rc5 Kd7 26.Rb1 Ba3 27.Rc3 Nb4–/+ 28.Nc1 c6–+ 29.f3 Nd5 30.Rc2 Rg6 31.Ke1 Rg2 32.Ne2 Ne3 33.Ra2 Be7 34.Nf1 Bb4 35.Nd2 Reg8 36.e5 Rh2 37.d4 Rh1 38.Ng1 Rg2 39.e6 Kc8 (39...Kc8 40.Ra6 Rhg1#; 39...Ke8 40.Ra6 Rhg1#) 0–1. Bonetti,Shane – vhzulu (2210), ICC, 2002.

8.Nf3 Bf5 9.g3?? Nd4–+ 10.Bg2 (10.a3 Nc2 11.Qc2 Bc2 12.ab4 Qb3–+) 10...Nc2 11.Kf1 Na1 12.Qa4 Qc6 13.Qb4 (13.Qc6 bc6 14.Nd4 Bb1 15.Bc6 Ke7 16.Ba8 Ra8 17.Nc6 Kd6 18.Nb4–+) 13...Qc1 14.Ne1 Nc2 (14...Nc2 15.Qb5 Bd7–+) 0–1. vhilts (2505) – flyingtiger, net–chess.com, 2013.

6.cd5 Nd5

7.e3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 Nc6 5.Bb2 0–0 6.e3 d5 7.cd5 Nd5).

7.Bg7 Rg8 8.Bb2 Bf5 9.Nc3 Qf6? 10.Nd5+/– Qb2 11.Nc7 Kd8?? 12.Na8+– Nd4 13.e4 Be4 14.Qc1 Bd2 15.Qd2 Qa1 16.Qd1 Qc3 ½–½. Fuchs – Dowd, corr SOK–87–13, 1988.

7.Bg7 Rg8 8.Bc3 Qe7 9.Nf3 Nf4 10.d4 Ng2 11.Bg2 Rg2 12.Qd3 Bg4 13.Nbd2 0–0–0 14.e3? Bc3–+ 15.Qc3 Qf6 16.Ke2 Re8 17.Rac1 Re7 18.h3 Nd4 19.Kf1 Bf3 20.Qd4 Qd4 21.ed4 Bd5 22.Nc4?? Rg6 23.Rg1 Rc6 24.Rg8=+ Kd7 25.Ne5 Re5 26.Rc6 Kc6 27.de5 Be4 28.Rd8+/– Kb5? 29.Rd7+– Bd5 1–0. Fedin – Rojahn, Alta, 1999.

7.Bg7 Rg8 8.Bc3 Bf5 9.a3 Qe7 10.e3 0–0–0 11.ab4 Ne3 12.de3 Rd1 13.Kd1 Qe4 14.Ne2 Rd8 (15.Ke1 Nb4 16.Bb4 Qb4 17.Nbc3 Bd3=+). marekt – stellarchess, ChessWorld.net, 2004.

6.e3

6.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.e3 Nc6 5.Bb2 d5 6.c4).

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

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

6.e3 Be6 7.cd5 Bd5 8.Nf3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d5 6.Nf3 Nc6 7.Bb2 Be6 8.cd5 Bd5).

5.Bb2 d6

6.Qb3 0–0 7.a3 Ba5 8.Nf3+=.

6.Qb3 b6 7.g3 Bb7 8.Bg2 (8.Qa4+=) 8...Bc5 (8...Nd4 9.Qe3 Kf8 10.Kf1 Bg2 11.Kg2+=) 9.e3?? (9.Qa4 Qd7+=) 9...Bb4?? (better is 9...Nd4! 10.Bb7 Nb3 11.ab3 Rb8 12.Bc6 Ke7–+) 10.Ne2 Ba5 (10...0–0 11.0–0 Ba5 12.Nbc3=) 11.0–0 (11.Qb5 d5 12.cd5 a6+/–) 11...0–0+= 12.d4 Rb8 13.Na3 a6 14.Nc2 Ne7 15.d5 Ng6 16.Ncd4 Ne5 17.e4 Nfd7 18.Nf5 Nc5 19.Qc2 f6 20.Nf4 c6 (20...Bc8 21.a3=) 21.Nd4 (21.Rfd1 cd5 22.Nd5 g6+=) 21...Qd7 22.Bh3 Qe8 23.Nfe6 Rf7 24.f4 Ned7? (better is 24...Ned3 25.Nf5 A) 25...Ne6?? A1) 26.Qd3?! Nc5 27.Qd4 Rd8= (worse is 27...Qe4 28.Nd6 Qd4 29.Bd4+/–; worse is 27...Ne4 28.Bg2+/–); A2) 26.de6 Rc7 27.Qd3+–; B) 25...Nb2 26.Nd6 Qd7 27.Nf7 (27.Qb2 Qd6 28.e5 fe5 29.fe5 Rf1 30.Rf1 Nd3 31.ed6 Nb2+–) 27...cd5 28.Nh6 gh6 B1) 29.Qb2?! Ne4 (29...Ne6 30.Qf6 Re8 31.cd5 Bd5 32.Rad1+–) 30.Rad1 b5+/–; B2) 29.Nc5 Qh3 30.Nb7 (30.Qb2?! bc5 31.cd5 Qd7=) 30...Nc4 31.Qd3+– (31.ed5?! Ne3 32.Qe2 Nf1 33.Na5 Ng3=; 31.Na5?! ba5 32.Rab1 Rb1 33.Rb1 Qe6+–); C) 25...Rd7 26.Neg7 Rg7 27.Bf6 Rc7 28.Nd6 Qg6+=) 25.dc6+– Bc6 26.Nc6 Ne6 27.Nb8 Nb8 28.Rad1 Rd7 (28...Bb4 29.Qd3+–) 29.e5 de5 30.Rd7 (30.fe5!? fe5 31.Be5 Nc6 32.Rd7 Qd7+–) 30...Nd7 31.fe5 fe5 (31...Ne5 32.Be5 fe5 33.Qe4+–) 32.Qf5 (32.Qe4 Ndc5 33.Qe5 Kh8+–) 32...Nef8 (32...Nec5 33.Bg2+–) 33.Bg2 (better is 33.Rd1 Bb4 34.Rd7 Bc5 35.Kf1 Nd7 36.Qd7 Qd7 37.Bd7+–) 33...Qg6?? (better is 33...Bb4+–) 34.Bd5 Kh8 (34...Ne6 35.Be6 Qe6 36.Qe6 Kh8 37.Qe8 Nf8 38.Rf8) 35.Qf8! Nf8 (35...Nf8 36.Rf8) 36.Rf8 1–0. Efimov,Andrey (2155) – Fedoruk,Nikolay, Gaeoeiaae Oogieg, 2009.

6.Qb3 Bc5 7.e3 a6 8.Nf3 Bg4 9.Be2 0–0 10.d4 Na5 11.Qc2 Bb4 12.Bc3 Bc3 13.Qc3 c5 14.d5 Ne4 15.Qc2 b5 16.cb5 Qf6 17.Na3 Qa1 0–1. mihai740609 – 044paja, internet, 2014.

6.Nc3 0–0 7.e3 Re8 8.Nf3 Bg4 9.h3 Bf5 10.Qb3 Ba5 11.d3 b6 12.g4 Bg6=+ 13.Nh4 Ne5 14.Ng6= Ng6 15.Bg2 Rb8 16.0–0–0 Ne7 17.Nb5 c6 18.Bf6 gf6 19.Nd4+/– Qc7 20.Nf5 Nf5 21.gf5 b5 22.Rhg1 Kf8 23.Qb2 bc4 24.Qf6 Qb6?? 25.Qd6+– Re7 26.Qh6 Ke8 27.Bc6 Kd8 28.dc4 Kc7 29.Qd6 (29.Qd6 Kc8 30.Rg8 Qd8 31.Rd8 Bd8 32.Qd8#) 1–0. Kleinke – Martens, Schwerin, 1978.

6.Nc3 Bf5 7.Nd5+= Ne5?? 8.Nf6 Qf6 9.f4?? Nd3!–+ 10.ed3 Qb2 11.Rb1? Qa3 12.Nf3 Bc5 13.Qe2? Kd7 14.g3?? Rhe8 15.Ne5 de5 16.fe5 Bd4 17.Bg2 Re5 18.Be4 Rae8 19.Kf1 Be4 20.de4 Re4 21.Qh5 Qd3 22.Kg2 g6 23.Qf5 0–1. saetta – mihaii, ICS, 1999.

6.e3 Bc5 7.Nf3=+ a5 8.Nc3= Be6 9.Qb1 h6?? 10.d4+– Bb4 11.d5 Bg4 12.dc6 bc6 13.Bd3 0–0 14.0–0 Bf3 15.gf3 Qd7 16.Bf5 Qe7 17.Ne4 Ne4 18.Qe4 Qg5 19.Kh1 d5 20.cd5 cd5 21.Qd3 Bd6 22.Rg1 Qh5 23.Bh7 (23.Bh7 Kh8 24.Bg7#) 1–0. pierre – imadov1985, internet, 2009.

6.e3 Bd7 7.a3 Ba5 8.Nf3 Qe7 9.Be2 0–0 10.0–0 Nd8 11.d4 Bg4 12.Nfd2 Be2 13.Qe2 Bd2 14.Nd2 Ne6 15.Qf3 Ng5 16.Qd1 (< 16.Qb7 Rab8 17.Qa7 Rb2–/+) 16...Rfe8 17.Bc3 Nge4 18.Ne4 Ne4 19.Bb4 a5 20.Bd2 f5 21.Rb1 b6 22.Re1 Qh4 23.f3? (better is 23.Re2=) 23...Qf2–+ 24.Kh1 Qd2 25.Qd2? (better is 25.fe4 Qd1 26.Rbd1 Re4 27.Kg1–+) 25...Nd2 26.Rbc1 Nb3 27.Rb1 a4 28.Kg1 Re7 29.Kf2 Rae8 30.g3 Kf7 31.h3 g5 32.f4 h6 33.Rb2 Nd4 (34.Rd1 Nb3–+) 0–1. hal1958 – carrillero, HCL–E647 playchess.de, 2003.

6.e3 Ne4 7.a3 Ba5 8.Bg7 Rg8 9.Bb2 Be6 10.g3 Qd7 11.Qc2 d5 12.Bg2 f5 13.cd5 Bd5 14.Nf3 0–0–0 15.0–0 Rge8 16.d3 Nf6?? (better is 16...Nd6+/–) 17.Bf6+– 1–0. Van Esbroeck,Dirk – Goepfert,Christian, SN–2010–0–00295, 2010.

6.Nf3 Qe7 7.Nc3 Be6 8.d3 0–0 9.g3 Rfe8 10.Bg2 Bg4 11.e3 Ne5 0–1. algernon (2320) – sgbrito (2345), net–chess.com, 2004.

6.Nf3 h6 7.e3 0–0 8.Be2 Bf5 9.0–0 Ba5 10.a3 Qd7 11.Bf6+= gf6 12.Nh4 Bh7 13.d4 Ne7 14.Bd3 Bd3 15.Qd3 Qg4 16.g3 Kh8 17.Nc3 Bc3 18.Qc3 Rg8 19.Ng2 Ng6 20.c5 Qd7 21.Rab1 b6 22.cd6 Qd6 23.Rfc1 Rac8 24.Qc6 Kg7 25.Qd6 cd6 26.Kf1 h5 27.Ke2 d5 28.Kd2 Rh8 29.h4 Rhd8 30.Ne1 (30.Ne1 f5 31.Nd3+/–) 1–0. Hoszowski,Piotr – Dobosz,R, corr 1. AMM Poland, 1990.

6.a3 Ba5

7.Nc3 0–0 8.e3 Re8 9.Be2 d5 10.cd5 Nd5 11.Nd5 Qd5 12.Nf3 Bg4 (12...Rd8 13.0–0+=) 13.0–0= Re4 (13...Rad8 14.d4=) 14.g3 (14.h3 Bh5+=) 14...Rae8 (14...Rd8 15.Rb1+=) 15.Rc1 R4e5?? (15...R4e7 16.Re1=) 16.Rc5?? (better is 16.Ne5 Be2 17.Qe2 Ne5 18.Be5 Qe5 19.d4+–) 16...Qe4?? (better is 16...Qc5 17.d4 Qe7 18.Ne5 Bh3+=) 17.Ng5 Be2 18.Qe2 Nd4? 19.Bd4 Rg5 20.Rg5 f5 21.Rg7 Kf8 22.Qh5 Qd4 23.Qf7# 1–0. Lauko,Marian (1885) – Novak,Lukas, Tabor op, 2007.

7.Nc3 0–0 8.Nf3 Bg4 9.e3 Ne5 10.Be2 Bf3 11.Bf3?? Nd3–+ (11...Nd3 12.Ke2 Nb2–+) 0–1. Widziszewski – Wozniak, corr 1. AMM Poland, 1991.

7.e3 0–0 8.Qc2 Be6 9.Nf3 h6 10.Be2 Qe7 11.0–0 d5 12.c5 Ne4 13.d4 a6 14.Rd1 Rad8 15.h3 Qf6 16.Qb3 Qg6 17.Nh4 Qf6 18.Nf3 Rb8 19.Bc3 Nc3 20.Nc3= Bc3 21.Qc3 Rfe8 22.Rab1 Bf5 23.Rb2 Kf8 24.Bf1 Bh3=+ 25.gh3 Qf3 26.Rdb1 Qf5 27.Rb7+= Qb1 28.Rb1 Rb1 29.Qd3 Ra1 30.Qa6+/– Ne7 31.Qb7 Rc8 32.Qb2 Re1 33.Kg2 Rd8 34.Qb7 c6 35.Bd3 Rd1 36.Bb1 Rc1 37.a4+– Rc4 38.a5 Ra4 39.a6 Rc4? 40.a7 Ra4 41.Bd3 Ng6 42.Ba6 (42.Ba6 Nh4 43.Kh2+–) 1–0. Schirmer,Michael – Gradowski,Guenther, corr, 1985.

7.e3 Be6 8.Nf3 0–0 9.Be2 Re8 10.Qb3 Bb6 (10...Rb8 11.Qc2+=) 11.0–0 Na5 (11...d5 12.cd5 Nd5 13.Qc2=) 12.Qc2 Qd7 (better is 12...Bg4!?=) 13.Bf6+/– gf6 14.d4 Rac8 15.c5 (better is 15.Bd3+/–) 15...dc5 16.dc5 Nb3 17.cb6 Na1 18.Qc3 Nb3 19.Qf6 (19.ba7 Qe7=) 19...cb6 (19...Qd8 20.Qe5 ab6 21.Ng5–/+) 20.Rd1?? (better is 20.Qg5 Kh8 21.Bb5+=) 20...Qe7–/+ 21.Qb2 Rc7 22.Nbd2 Nc5 23.Bb5 Rec8 24.Nd4 a6–+ 25.Be2 b5 26.N2f3 Bg4 27.h3 Bf3 28.gf3 Qg5 29.Kh2 Qe5 30.f4 Qf6 31.Bf3 Ne6 32.Qb4 Nd4 33.Rd4 Rc2 34.Qe1 Qh4 35.Qg1 Kh8 36.Kg2?? Rg8 37.Bg4 h5 38.f5 hg4 39.hg4 Rg4 (39...Rg4 40.Rg4 Qg4 41.Kh2 Qf3–+) 0–1. Baer,Cy (1895) – Vetter,Udo (1760), CiF, 2007.

7.e3 Be6 8.Nf3 Qe7 9.Nd4 Nd4 10.Bd4 Bb6 11.Bb6 ab6 12.d4 d5 13.Nd2 c5 14.cd5= Bd5 15.Bb5 Nd7 16.0–0 0–0 17.Nc4 Bc6 18.Bc6 bc6 19.dc5 b5 20.Nb6 Nb6= 21.cb6 Rfb8 22.Qd4 Ra3 23.Rfd1 Ra1= 24.Ra1 c5 25.Qd5 h6? 26.Ra7?? Rd8?? 27.Re7 Rd5+= 28.Re8 Kh7=+ 29.Kf1 Rd7 30.Rb8 c4 31.b7 Kg6–/+ 32.Ke2 Rc7 33.Kd2 c3–+ 34.Kc2 b4 35.e4? Rd7 36.f4 Rd2 37.Kb3+= Rb2 38.Ka4+/– c2?? 39.Rc8+– b3 40.b8Q f6 41.Rc7 Rb1 42.Qe8 Kh7 43.Qf7 (43.Qf7 Ra1 44.Kb4 Ra4 45.Ka4 c1Q 46.Qg7#) 1–0. Wall,Bill – Vider,Bob, Dayton, OH, 1980.

7.e3 Qe7 8.Nf3 0–0 9.Be2 d5 10.0–0 dc4 11.Bc4 Bg4 12.d4 Rad8 13.Nbd2 Bd2=+ 14.Qd2 Bf3 15.gf3 Ne5 16.Be2 Ng6 17.Qc2 Nd5 18.Kh1 Qh4 19.Rab1 Rd6 20.Qf5 Ngf4 21.ef4+/– Rh6 22.h3 Nf4 23.Bc1?? Rh5 24.Qg4 Qg4 25.fg4 Rh3 26.Kg1 Ne2 27.Kg2 Nf4?? 28.Bf4+– Rd3 29.Rb7 Rd4 30.Kg3 Rd3 31.f3 (31.f3 f5 32.Ra7 fg4 33.Bc7 (33.Rc7?! Ra3 34.Bd6 Raf3 35.Rf3 Rf3 36.Kg4 Rf6+=; 33.Kg4?! Rd4=) 33...Rff3 34.Rf3 gf3 35.Bf4+–) 1–0. Bonetti,Shane – Baer,Werner, TT–09 ETC, 2003.

6.a3 Bc5

7.e3 0–0 8.d4 Bb6 9.Nf3 a6 10.Bd3 Re8 11.0–0 Bg4 12.Nbd2 Re7 13.Be2 Qe8 14.h3 Bh5 15.d5 Ne5 16.Ne5 Be2 17.Qe2 de5 18.e4 Rd8 19.Nb3 c6 20.c5 cd5 21.cb6 Ne4 22.Rae1 Qc6 23.Rc1 Qb6 24.Qd3 f5 25.Rc2 Rf7 26.Nd2 Nc5 27.Qc3 Na4 28.Qb3 Qb3 29.Nb3 d4 30.Bc1 d3 31.Rc4 b5 32.Rb4 Nc3 33.Bd2 Ne2 34.Kh2 e4 35.Be3 f4 36.Bb6 Rc8 37.Re4 Nc3 38.Rd4 Na4 39.Ba5 f3 40.Rd3 fg2 41.Kg2 1–0. mihai740609 – cimeks, internet, 2014.

7.e3 Ne4 8.Bg7+= Rg8 9.Bh6?? Rg6?? 10.Qh5?? Bg4 11.Bg5 Qg5 12.Qh7?? Kd7 13.Qf7 Ne7 14.d4 Bd4! 15.ed4 Qc1# 0–1. MDerby – Nautiluschess, ICS, 2000.

6.Nc3 Be6

7.e3 0–0 8.a3 Ba5 9.Nf3 Ne5 10.Qb3 c6 (10...Nf3 11.gf3 b6 12.Rg1=+) 11.Ng5= (11.Qb7?? Rb8 (11...Nc4?! 12.Bc4 Bc4 13.Qc6=) 12.Qa7 Rb2–+) 11...Bf5 12.d4 (12.Qb7? Rb8 13.Qa7 Rb2–+) 12...Nfd7 13.h4 Ng6 14.0–0–0 Nh4 15.Nge4 Bc3 16.Nc3 Qe7 17.Rd2 b5 18.Qd1 a5 19.cb5+/– Rfc8 20.bc6 Rc6 21.Bb5 Rc7 22.Qh5+/– g5 23.Rh4+– Bg6 24.Qf3 Rb8 25.Kd1 gh4 26.Nd5 Qg5 27.Bd7 Rd7 28.Nf6 Kg7 29.Nd7 Rb2 30.Rb2 Bh5 31.Qh5 Qh5 32.Ke1 Qg4 33.f3 Qd7 34.e4 Qa4 35.Rd2 0–1. bambinik – gradtest, internet, 2002.

7.e3 0–0 8.Nf3 Bf5 9.Be2 Re8 10.0–0 h6 11.d4 d5 12.Qb3 Be6 13.cd5 Nd5 14.Qc2 Nc3 15.Bc3 Bc3 16.Qc3 Bd5 17.h4 a6 18.Rab1 Rb8 19.Rb2 Ne7 20.Nd2 Bc6 21.h5 Nd5 22.Qc2 Qg5 23.Nf3+= Qf6 24.Ne5+/– Re5 25.de5 Qg5 26.Bf3?? Qe5 27.Qd2 Ne7 28.Bc6 Nc6 29.Rc2 Rd8 30.Qc3 Qc3 31.Rc3+/– Rd5 32.Rb1+– Na5 33.Rc7 1–0. Czeitschner,Roland (1765) – Mahrla,Hans (1625), Bad Woerishofen Seniors op, 2005.

6.e3 0–0

7.a3 Ba5 8.h3 Ne4 9.Bd3 Bf5 10.Qf3 Bg6 11.Be4 f5 12.Bc6 bc6 13.Qc6 f4 14.Qd5 Kh8 15.Qa5 fe3 16.de3 Qh4 17.Qd2 Rae8 18.g3 Qc4 19.Ne2 Be4 20.0–0 Qe6 21.Kh2 Bf3 22.Nf4 Qh6 23.Qd4 Bg4 24.h4 Rf7 25.Nd2 Bd7 26.Nf3 Bc6 27.Ng5 Rfe7 0–1. lican – jagnann, internet, 2014.

7.Be2 d5 8.Nf3 Be6 9.a3 Be7 10.cd5 Nd5 11.0–0 Nb6 12.Nc3 Nc4 13.Bc1 N6a5 14.Nd4 Bd7 15.d3 Nb6 16.Nb3 Nb3 17.Qb3 Be6 18.Qc2 c5 19.a4 Nd5 20.Nd5 Bd5 21.Bb2 Rc8 22.a5 Rc6 23.e4 Be6 24.Bc3 Bf6 25.Qb2 Bc3 26.Qc3 Qd6 27.Rfb1 Rc7 28.Rb2 Rd8 29.Re1 Bc8 30.Qa3 h6 31.Rc1 Be6 32.Rbc2 b6 33.ab6 ab6 34.Qa4 Bd7 35.Qa3 Rcc8 36.h3 Ra8 37.Qb2 Ra4 38.Rc3 Rda8 39.Bf1 Ra2 40.Qb3 Rd2 41.R3c2 Ba4 42.Qa2 Bc2 43.Qa8 Kh7 44.Qc8? (44.Re1 Qd4 45.Re3 Bd3 46.Bd3 Rd3 47.Re2–+) 44...Qf4 45.f3 Bd3 (better is 45...Qe3!? 46.Kh1 Qg5 47.d4–+) 46.Bd3 Rd3 47.Rb1 Rd6 48.Kh1 Qe5 49.Qb7? (better is 49.Qa6–+) 49...Qf4 (49...c4!? 50.Rf1 c3 51.Qc7–+) 50.Qc8 h5 51.Qe8 Rg6 52.Qb5 h4 53.Qf1 Rd6 54.Qe1 Re6 55.Qf1 Qg3 56.Qc4 Qf4 57.Qd5?? (57.Qf1 Rc6 58.Qe1–+) 57...Rg6 58.Rg1 Qg3 (better is 58...Rd6!? 59.Qa2 f6–+) 59.Qf7+= Qg5 60.Qc4 Rd6 61.Qb5 Rg6 62.Qc4 Qf4 63.Qb5 Qd2 64.Qc4 Qd4 65.Qf7 Qf6 66.Qa7 c4 0–1. Frosinos,I (1640) – Bomans,A (2265), 11th Gazi Open, 2015.

7.Be2 Ne4 8.Nf3 Bf5 9.0–0 Ng5 10.d4 d5 (10...Qf6 11.a3 Ba5 12.Nc3=) 11.c5 Be4 12.Nbd2 f5 13.Ne4 fe4 14.Ng5 Qg5 15.a3 Ba5 16.Qb3 b6 17.cb6 cb6 18.Bc3 Bc3 19.Qc3 Rac8 20.Qb3 Ne7 21.Ba6 Rc7 22.Rac1 Rd7 23.Bb5 Rd6 24.Rc7 Rg6 25.g3 Nf5? (better is 25...a5=) 26.Qd5+– Kh8 27.Bc6 Qf6 (27...Qf6 28.Qb5 Nd6+–). muppetxxx – ciapa1, internet, 2014.

6.e3 b6

7.a3 Ba5 8.Nc3 Ba6 9.Nf3 Bc3 10.Bc3 0–0 11.Be2 d5 12.cd5 Be2 13.Qe2 Qd5 (13...Qd5 14.Bf6 gf6+/–). Patel,Reshma (1700) – Weber,Roger, FICGS, 2006.

7.Nf3 Bf5 8.Bd3?? Bg4 9.Be2 Qe7 10.0–0 0–0–0 11.d4 Kb8 12.a3 Ba5 13.d5 Ne5?? 14.Ne5+– de5 15.Bg4 h5 16.Be2 g5 17.Bc3 Bc3 18.Nc3 Nd7 19.Bh5 Rh6 20.Bg4 Rdh8 21.Bd7 Qd7 22.f3 f5? 23.Qa4 c6? 24.dc6 Qd2 25.Qa6 Qe3 26.Rf2 Rc6 27.Nd5 Qd4 28.Rb1 Rh2 29.Qb5?? Qh4+= 30.Kf1 Rh1 31.Ke2+/– Rb1 32.Qb1 Qc4 33.Qd3 Qa2 34.Ke3?? f4–+ 35.Ke4 Qf2 36.Ne7 Qe1 37.Kf5 Rc5 38.Qd8 Kb7 39.Qd7 Ka6 40.Nc6 e4 41.Kf6 Qc3 42.Kf7 Rc6 43.Qd5 e3 (43...e3 44.Qc6 Qc6–+; 43...Qf6 44.Ke8 Rc8 45.Kd7 Rd8 46.Kc7 Qe7 47.Kc6 Qb7#) 0–1. Dopper,Johan – Hoogstrate,Johan, corr, 1993.

6.e3 Be6

7.a3 Ba5 8.Nf3 a6 9.Bd3 0–0 10.Ng5 h6 11.Ne6= fe6 12.0–0 Ne5 13.Be2 c5 14.f4+= Nc6 15.Bf3 d5 16.cd5 ed5 17.Qc2 d4 18.Qc5 Bb6 19.Qc4 Kh8 20.e4 d3 21.Kh1+/– Rc8 22.Nc3 Ne5 23.Qb3 Neg4? 24.g3 h5 25.e5 Nf2 26.Kg2 N6e4 27.Ne4 Ne4 28.Be4 Rc2 29.Bc3 Ba5 30.Rac1 Rc1 31.Rc1 b5 32.Ba5 Qa5 33.Qf7! Qa3 34.Qh5 (34.Qh5 Kg8 35.Bd5 Rf7 36.Rc8 Qf8 37.Bf7#) 1–0. Waibel,Ulrich (1830) – Luebbe,Hermann (1870), remoteschach.de, 2004.

7.a3 Bc5 =+.

7.Qb3 Rb8 8.Nf3 b5 (8...0–0 9.a3 Ba5 10.Ng5=+) 9.Qc2= bc4 10.Bc4 d5 (10...Bc5 11.Be6 fe6 12.a3=) 11.Bb3 Bd7 12.0–0 Bd6 (12...0–0 13.Ne5 Ne7 14.Nd7 Nd7 15.Rc1=) 13.a3 (13.Bf6 Qf6 14.d4 Nb4=) 13...h6 (13...0–0 14.Nc3 Be6 15.Ba4=) 14.Nc3 (14.Bf6 Qf6 15.Nc3 Qf5 16.Qf5 Bf5 17.Bd5 Ne7+=) 14...Ne7 15.Ne2 c5 16.Qc3?? (better is 16.Bf6 gf6 17.d4+=) 16...Qb6–+ 17.Rfb1 Qb3 18.Qc1 (18.Qb3 Rb3 19.Bf6 Rb1 20.Rb1 gf6–+) 18...Qd3 19.Ng3 0–0 20.Be5 Rb1 21.Rb1 Qa6 22.Bf6 gf6 23.Nh5 Be5 24.Qc5 Ng6 25.h3 Be6 26.Ne5 fe5 27.f4 Qe2 28.Nf6 Kg7 29.fe5 Nh4?? 30.Nh5 Qh5–+ 31.Qd4 Kh7 32.Rb4 Nf5 33.Qd3 Qd1 34.Kh2 Rg8 35.g4 Kh8 36.Rb1 Qf3 37.Rg1 Qe4 38.Qf1?? Ne7 39.Qf6 Kh7 40.Qe7 Qe5 41.Kh1? d4 42.Rg2 de3 43.de3 Qe3 44.Kh2 Qf4 45.Kg1 Rg7 46.Qa7 h5 47.Rf2 Qg3 48.Rg2 Qh3 49.g5 Bd5 (50.Qf2 Rg5 51.Qc2 Rf5–+) 0–1. Koss,D (1755) – Turkovic,R (1605), SSM96 (Runde2), 1996.

7.Nf3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Be6).

7.Nf3 d5 8.cd5 Qd5 9.Be2 Bf5 10.a3 Ba5 11.0–0 (11.Bf6 gf6 12.Nc3 Qd7 13.Qb3 0–0–0 14.d4 Be6 15.Qc2 Bf5 16.Qb2+=; 11.Qa4 0–0–0 12.Nc3 Bc3 13.Bc3 Bd3 14.Bf6 gf6 15.Bd3 Qd3 16.Rc1=; 11.Nc3 Qe6 12.Qa4 0–0 13.Bb5 Bc3 14.Bc3 Be4 15.Ng5 Qf5 16.Ne4+=) 11...Bd3 (11...Qd6 12.Qa4= Bd7 13.Qh4 Rd8 14.Bf6 Qf6 15.Qf6 gf6 16.Nc3+=) 12.Bd3+= Qd3 13.Qa4 0–0–0 (13...Nd7 14.Bg7 Rg8 15.Bc3 Nc5 16.Qf4+/–) 14.Rc1 (14.Bf6 gf6 15.Rc1 Rd5 16.Nc3+/–) 14...Rd6 (14...Qf5 15.Nd4 Nd4 16.Bd4+=) 15.Nc3 (15.Bf6 gf6 16.Nc3+/–) 15...a6 16.Qc2 (16.Rab1 Re8+=; 16.Qb3+=) 16...Rhd8 17.Qd3 (17.Qb3!?=) 17...Rd3+= 18.Rc2 Ne7 (18...Bc3 19.Bc3 Ne4 20.Ne1=) 19.Kf1 Bc3 20.Rc3 (20.Bc3 Ne4+=) 20...Rc3 (20...Rd2 21.Nd2 Rd2 22.Bc1 Rd1 23.Ke2=) 21.Bc3 Nf5 (21...Ne4!?=) 22.Bf6+/– gf6 23.d4 b6 24.Ke2 Kb7 25.Nd2 Nd6 26.Rc1 c6 27.h4 Nf5 28.g3 Rd6 29.g4 Ng7 30.f4 White prepares the advance g5 30...f5 31.g5 Ne6 32.Nc4 Rd5 33.Ne5 Nd8 34.h5 c5 35.dc5 bc5 36.Rc3 Kc7 37.Rb3 Rd6 38.Nc4 Rc6 (better is 38...Re6+/–) 39.Ne5 (better is 39.Rd3!?+–) 39...Rd6+/– 40.Rc3 Rd5 41.h6 Kd6 42.Rb3 Kc7 43.a4 Rd6 44.Nc4 Rc6 (44...Rg6 45.Rd3 f6 46.Rd6+–) 45.a5 (45.Rd3!? Re6 46.Rd5+–) 45...f6+/– 46.Rb6 (better is 46.Rd3 fg5 47.fg5+–) 46...fg5+= 47.fg5 Nf7 48.g6 hg6 (48...Rg6!? 49.Rg6 hg6=) 49.h7+= Nh8 50.Kf3 g5 51.e4 g4 52.Kf4 fe4 53.Kg4 e3 54.Ne3 Rb6 55.Nd5 (worse is 55.ab6 Kb6 56.Kf5 Kc6+–) 55...Kc6 56.ab6 a5 57.Kf5 a4 58.Nc3 a3 59.Kf6 (59.Kf6 Kb6 60.Kg7+–) 1–0. Kamaletdinov,Farit (1970) – Mesnyankin,Nikita, Astrakhan Championship Men, 2011.

7.Nf3 d5 8.cd5 Qd5 9.Be2 Bf5 10.a3 Bd6 11.Qa4 (11.Bf6 gf6 12.Nc3 Qa5 13.Bb5 Bd7 14.Qb3 0–0–0 15.Qf7 Ne5 16.Ne5+=; 11.0–0 Be7 12.Nc3 Qd7 13.Bb5 Bg4 14.h3 Bh5 15.g4 Bg6 16.Ne5+=; 11.Nc3 Qa5 12.Qb3 Rb8 13.Nb5 Be7 14.Nbd4 Nd4 15.Nd4 Bd7 16.Bc3=) 11...Be7 12.Nc3 Qc5 13.Nb5 Kd8 14.Qf4 Rc8 15.Rc1 Qd5 16.Ne5+/–.

7.Nf3 d5 8.cd5 Qd5 9.Be2 Bf5 10.a3 Be7 11.Nc3 (11.0–0 0–0 12.d3 Qd7 13.Nc3 Rfd8 14.Qb3 Na5 15.Qb5 Qb5 16.Nb5=; 11.Qa4 0–0 12.Nc3 Qd6 13.d4 a6 14.0–0 Rfe8 15.Rac1 b5 16.Qd1=; 11.d3 0–0 12.0–0 Qd7 13.Nc3 Rfd8 14.Qb3 Na5 15.Qb5 Qb5 16.Nb5=) 11...Qc5 12.Rc1 Qa5 13.Qb3 Rb8 14.Qb5 a6 15.Qa5 Na5 16.Na4+=.

7.Nf3 d5 8.cd5 Qd5 9.Be2 Bf5 10.Bf6 gf6 11.a3 (11.Qa4 Rd8 12.a3 Ba5 13.Nc3 Bc3 14.dc3 Rg8 15.c4 Qe4 16.Rg1=; 11.Nc3 Qa5 12.Qb3 Rg8 13.Rg1 Be6 14.Qb2 0–0–0 15.a3 Bc3 16.Qc3+=; 11.0–0 Rg8 12.Kh1 0–0–0 13.d4 Bg4 14.Nbd2 Bd2 15.Qd2 Ne5 16.Ne1+=) 11...Bd6 12.Nc3 Qa5 13.Bb5 Bd7 14.Qb3 0–0–0 15.Qf7 Ne5 16.Ne5+=.

7.Nf3 d5 8.cd5 Qd5 9.Be2 Bg4 10.0–0 Bd6 11.Nc3 Qh5= 12.g3 Ne5 13.Ne5= Be2 14.Ne2 Be5= 15.Be5 Ng4 16.h4 Ne5 17.Rb1 Qf3 18.Qa4 Qc6 19.Qc6+= bc6 20.Rfd1 Ke7 21.d4 Nd7 22.Rdc1 Kd6 23.Rb2 Rab8 24.Rbc2 Rb6 25.Nc3 Nb8 26.Ne4 Kd7 27.Kg2 h5 28.Nc5 Kc8 29.Nd3 Rh6 30.Nf4 Nd7 31.e4 Kb7 32.f3 Rb5 33.Kf2 Kb6 34.Ke3 c5 35.dc5 Nc5? 36.Nd5 Kc6 37.Kd4 Rd6 38.Rc5 Rc5 39.Rc5 Kb7 40.Rc7 (40.Rc7 Kb8 41.Rf7+–) 1–0. Dluhosch,Thomas – Baer,Horst Hugo, BdF, 1984.

7.Nf3 Qd7 8.a3 Ba5 9.Be2 0–0–0 10.0–0+= h5 11.d4 d5 12.Nbd2 Bd2 13.Qd2 dc4= 14.Qc2 Qd5 15.Nd2 Na5 16.e4+= Qg5 17.f4 Qh4 18.d5 Bg4 19.Bc4+– Rhe8 20.Bb5 Re7 21.g3 Qh3 22.Bf6 gf6 23.Rfb1 Bd7 24.Bf1 Qg4 25.Qc5 h4 26.Qa7 Bc6 27.dc6 hg3 28.Qa8 (28.Qa5?! gh2 29.Kf2 Qg1 30.Ke2 Qg4 31.Ke1 bc6+–) 1–0. orane – canxer, Caissa.com, 2006.

7.Nf3 Qd7 8.Be2 Qe7 9.0–0 0–0 10.d4 d5 11.c5 b6? 12.a3 Ba5= 13.Bb5 Bd7 14.Qa4 Qe8 15.Bc3 a6 16.Bc6 Bc6 17.Qc2 Ba4 18.Qd2 Ne4 19.Qc1 Qb5 20.Ba5 Qa5=+ 21.cb6 Qb6 22.Nc3= Bb5 23.Nb5 ab5= 24.Ne5 Rfc8 25.Qc6 Qc6 26.Nc6 Kf8 27.Nb4 Nc3=+ 28.f3 Ke7 29.Kf2 Kd6 30.Rfc1+= c5 31.dc5 Rc5=+ 32.Nd3 Rc4 33.Nb2 Rc7 34.Ke1 Rac8 35.Kd2 f5 36.h3 h5 37.h4 Na4 38.Rc7 Rc7 39.Na4 ba4 40.Rb1 Kc6? 41.Rb4 Ra7+= 42.Kd3 Kc5 43.g3 1–0. hal1958 – mrempel, playchess.de, 2002.

7.Nf3 Qe7 8.a3 Bc5?? 9.d4+– Bb6 10.d5 1–0. Wall,Bill – Hayes,Dan, Dayton, OH, 1980.

7.Nf3 Qe7 8.Be2 0–0–0 9.0–0 Rhg8 10.d4 Bf5 11.Nbd2 g5 12.Nb3 Ne4 13.a3 Bc3 14.Bc3 Nc3 15.Qd2 Ne2 16.Qe2 h5 17.d5 Nb8 18.Nfd4 Bg4 19.f3 Bd7 20.h3 g4 21.Kh2? gh3–+ 22.gh3?? Qh4 (23.Nf5 Bf5–+) 0–1. hal1958 – mrempel, HCL–A1375 playchess.de, 2003.

7.Nf3 Bg4 8.a3 Ba5 9.Qb3 (9.Be2!?=) 9...Bf3 10.gf3 Bb6 11.Be2 Qe7 12.Kd1 (12.Nc3!?+=) 12...0–0–0 13.Bd3 (13.Nc3 Na5 14.Qc2 c6=) 13...Rhg8 14.Re1 (14.Nc3 Ne5 15.Na4 Qe6=+) 14...Nd7 15.Be4 Na5 16.Qb4 Nc5 17.Bc2? (17.Bh7 Nab3 18.Qc3 Na1 19.Bg8 Rg8 20.Ba1 Qh4–/+) 17...d5 (17...Nc6!? 18.Qc3 Qh4–+) 18.d4 (better is 18.cd5!? Rd5 19.Nc3=+) 18...Na6?? (better is 18...Nc6 19.Qd2 dc4–+) 1–0. Trkn – guest990, ICC, 2004.

7.Nf3 h6 8.Be2 Qd7 9.a3 Ba5 10.0–0 Qe7 11.Nc3 Bc3 12.Bc3 0–0 13.Qc2 Rfe8 14.h3 Nd7 15.Qb2+/– Qf8 16.Qb7+– Nce5 17.Ne5 Ne5 18.c5 Qe7 19.f4 Reb8? 20.cd6 Rb7 21.de7 Bc4 22.d3 Bd3 23.Rad1 c5 24.Be5 c4 25.Bf3 Re7 26.Ba8 1–0. wiking – SirKnight, internet, 2010.

6.e3 Qe7

7.Nc3 Bg4 8.Be2 Be2 9.Nge2 Bc3 10.Bc3 0–0 11.0–0 Ne5 12.d3 d5 13.cd5 Nd5 14.Be5 Qe5 15.d4 Qe6 16.a4 Rfe8 17.Rb1 b6 18.Qc2 Rac8 19.h3 c5 20.dc5 Rc5 21.Qd3 Rec8 22.Rfd1 Nf6 23.Nd4 Qd7 24.Nb5 Rd5 25.Qe2 h6 26.Na7?? Rd1 27.Qd1 Qa7 28.Qb3 Nd7 29.f4 Ra8 30.Qd5 Qa4 31.Kf2 Qc2 32.Kf3 Ra2 33.Kg3 Qb1 34.Qd7 Qe4 35.Qd8 Kh7 36.Qb6 Qg2 37.Kh4 g5 38.fg5 Qg5 0–1. Borup,John – Mestak,Kamil (1900), 04. VCC–Open, 2001.

7.Nf3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Qe7).

7.Nf3 a6 8.Be2 Bd7 9.Nc3 h6 10.Nd5+/– Nd5 11.cd5 Ne5 12.Qb3 Ba5 13.Ne5 de5 14.Ba3 (14.Ba3 Qg5 15.Qb7+/–; 14.Qb7?! 0–0 15.Qb3 Rab8+=) 1–0. Krasny,Henryk Jan – Dublemortier, corr SOK–98–132, 1998.

7.Nf3 Bg4 8.Be2 0–0 9.0–0 h5 10.Nc3 h4 11.Nd5 (11.Nh4 Bc3 12.Bc3 Be2 13.Qe2 Ne4 14.Bg7 Qh4). Tischer – Pape, corr, 1966.

6.e3 Bf5

7.Qb3 0–0!? +=.

7.Qb3 Qc8 8.Nf3 Bc5 9.d4 (9.Bf6 gf6 10.d4 Bb4 11.Kd1 Be4+=) 9...Bb6 10.Nbd2 0–0 11.Be2 h6 12.Bd3 Nh7 13.a4 Na5 14.Qc3 a6?? (better is 14...Bd3 15.Qd3 Qg4+=) 15.e4+– Bg4 16.c5 dc5 17.dc5 Ba7 (17...f6+–) 18.Qg7 1–0. typ48 – sfiksowana18, internet, 2013.

7.Qf3 g6 8.g4 Bg4 9.Qf6 Qf6 10.Bf6 +–.

7.Nf3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Bf5).

7.Nf3 Ba5 8.a3 Ne4 (8...0–0 9.Be2=) 9.Be2 (9.Bg7 Rg8 10.Bb2 Qe7+=) 9...0–0= 10.0–0 Qe7 11.d3 Ng5 12.Nc3 Nf3 13.Bf3 Ne5 (13...Qf6 14.Qb3=) 14.Nd5 (14.Bb7 Bc3 15.Bc3 Rab8 16.Be5 de5+/–) 14...Qg5 (14...Nf3?? 15.Qf3 Qe6 16.Qf5 Qf5 17.Ne7 Kh8 18.Nf5+–) 15.Kh1 (better is 15.Be2!? Bh3 16.Nf4=) 15...Nd3+= 16.Bf6 gf6 17.e4 Be6 (17...Nf2 18.Rf2 Be6 19.Be2–/+) 18.Qd3+= Bd5 (18...Rfe8 19.Rfb1 Qe5 20.Ra2+=) 19.cd5 Kh8 20.g3 Qd2 (20...f5 21.ef5 Qf6 22.Rab1=) 21.Qb5 (21.Qd2 Bd2 22.Rfb1 Rab8+=) 21...Bb6= 22.Kg2 Rad8 23.Bg4 h6 24.Bf5 Qc2 25.Rab1 a6 26.Qb4 Qe2 27.Rb2 Qh5 28.a4 a5 29.Qd2 Qg5 30.Qd1 h5 31.Rb3 Rg8 32.Rf3 Kg7 33.Rf4 Kf8 34.Kh1 Ke7 35.Rh4 Rh8 36.f4 Qg7 37.Qf3 Rh6 38.Rb1 Qh8 39.Qc3 Kf8 40.Rh3 Re8 41.Qd3 Rd8 42.Rh4 Ke7 43.Re1 Kf8 44.Qf1 Re8 45.Qh3 Ke7 46.Bd7 Rd8 47.Bb5 Qg7 48.Be2 Rdh8 49.Qg2 Qg6 50.Bf3 Qg7 51.Qb2 Kd8 52.Qc3 Kd7 53.Bg2 Ke7 54.Bh3 Re8 55.Qa3 Bc5 56.Qb3 Bb6 57.e5?? fe5–/+ 58.fe5 de5 59.Rhe4 Kd8 60.Qb5 Rd6 61.Qe8 Ke8 62.Re5 Qe5 63.Re5 Kf8 64.Rh5 Kg7 65.Bc8 Rg6 66.Bb7+/– Rg4 67.Bc6 Rd4 68.Kg2 Rd2 69.Kf3+– Kg6 70.Rh8 Kg7 71.Re8 Rh2 72.Rb8 Rb2 73.Kg4 Rb4 74.Kf5 Rb3 75.g4 Rf3 76.Ke4 Rb3 77.g5 Re3 78.Kf5+/– Rf3 79.Kg4 Rb3 80.Bb5 Rb4 81.Kf5 Rd4 82.Ke5 Rg4 83.d6+– Rg5 84.Ke4 Rg6? 85.d7 Re6 86.Kf3 Rf6 87.Ke2 Re6 88.Kd3 Rd6 89.Kc4 c6+/– 90.Bc6 Rc6 91.Kd5 Rc1?? 92.Rb6+– Rd1 93.Kc6 Kf6 94.Rb8 Rc1 95.Kb7 Rb1 96.Ka7 (96.Ka7 Rd1 97.d8Q Rd8 98.Rd8+–) 1–0. Shorokhov,Mikhail (2105) – Taranin,Konstantin (1830), Anapa op, 2009.

7.Nf3 a6 8.a3= Bc5 9.d4 Bb6 10.Bd3 Bd3 11.Qd3 0–0 12.d5 Ne5 13.Ne5 de5 14.Qf5 Ba5 15.Bc3 Bc3 16.Nc3 Qd7 17.Qe5+= Rfe8 18.Qf4+/– c6 19.Rd1 cd5 20.0–0 Rad8 21.Nd5+/– Nd5 22.Rd5 Qc6 23.Rfd1 Rd5 24.cd5 Rd8 25.e4 Qc2 26.Rc1+– Qa4 27.Qe3 Qd7 28.Qb6 h6 29.h3 Rc8 30.Rc8 Qc8 31.d6 Qc1 32.Kh2 Qf4 33.g3 Qd2 34.Kg2 f6 35.Qb3 Kf8 36.Qe6 Qa5 37.Qc8 Kf7 38.Qc7 Qc7 39.dc7 b5 40.c8Q a5 41.Qd7 Kg8 42.Qb5 Kf7 43.Qa5 Kg6 44.a4 Kf7 45.Qd5 Kg6 46.a5 Kh7 47.a6 Kg6 48.a7 h5 49.a8Q Kh6 50.Qh8 Kg6 51.Qhh5# (51.Qdh5#) 1–0. b4_player – opponent, gamecolony.com, 2007.

7.Nf3 d5 8.cd5 Qd5 9.Be2 Ne4 10.0–0 0–0 11.d3 Nc5 12.e4 Ne4 13.de4 Qe4 14.Nbd2 Qe7 15.Bb5 Qc5 16.Bc6 Qc6 17.Nd4 Qg6 18.Nf5 Qf5 19.Nf3 b6?? 20.Qb3 Bd6 21.Ba3 c5 22.Rad1 Bc7 23.Bb2 Rfe8 24.Qd3 Qd3+= 25.Rd3 Re2 26.Rd2 Rae8 27.Rfd1 b5 28.Kf1 R2e7 29.Rd5 Bb6 30.a3 a5 31.Be5 b4 32.Bd6 Re6 33.Bc5 b3 34.Bb6 Rb6 35.Rd8 Rb8 36.Re8 Re8 37.Rb1 a4 38.Nd2 Rc8 39.Ne4 Rc2 40.Ke1 Ra2 41.Nc3 Ra3 42.Kd2 g6 43.Kd3 (43…f5 44.Kc4+–) 1–0. hal1958 – Loulou, HCL–E950 playchess.de, 2003.

7.Nf3 Ke7 8.Be2= Re8 9.0–0 Kf8 10.d4 Ne4 11.a3 Ba5 12.d5 Ne5 13.Ne5 de5 14.f3 Nc5 15.f4 Rc8 16.Be5 Qh4 17.Nd2 c6? 18.Bd6+– Kg8 19.Bc5 (19…cd5 20.Nf3+–) 1–0. Waibel,Ulrich – Redmond,David, compuserve, 1996.

7.Nf3 Qe7 8.Nc3 Ne5?? 9.Ne5?? de5= 10.Qa4 Bd7 11.Qb3 Bc6 12.Nb5 Bd6 13.Rc1 Ne4 14.Nd6 cd6 15.d4 0–0 16.d5 Bd7 17.Qc2 f5 18.Bd3 Nc5 19.0–0 Nd3 20.Qd3 f4 21.ef4 Rf4 22.Qe3 b6 23.Rfe1 Raf8 24.g3 Rf3–/+ 25.Qd2 Qf7 26.Rc2? Bf5 27.Rc3–/+ Bg6 28.Rf3 Qf3 29.Qe3 Bd3 30.Ba3 Bc4 31.Qf3 Rf3 32.Bd6 Bd5 33.Re5 Bc6 34.Re3 Re3 35.fe3 Kf7 36.Kf2 Ke6 37.Bb4 Kf5 38.Bc3 g6 39.Bd4 Kg4 40.h4 ½–½. Palacios Sanchez,Gabriel – Peris Morte,Joaquin, Catalunya Baix Llobr op, 2000.

7.Nf3 Bg4 8.Be2 0–0 9.0–0 Qe7 10.a3 Ba5 11.d4 Ne4 12.Qc2 Bh5 13.Rd1 Ng5 14.Ng5+= Qg5 15.Bh5 Qh5 16.Nc3 Bc3 17.Bc3 Qg6 18.Qa4 h5 19.Rab1 Nd8 20.d5 h4 21.h3 f6 22.Rb2 b6 23.Qd7 Rf7 24.Qe8+– Kh7 25.Rd4 Qh5 26.Rbd2 g5 27.Rg4 Qg6+/– 28.e4 Qg8? 29.Qa4 Nb7+/– 30.Qc2 Qg6 31.Re2 Nc5 32.f4 Re8 33.fg5 fg5+= 34.Bd2 Re5 35.Bc3 Re8 36.Bd4 Rf4 37.Bc5 Rg4= 38.hg4 dc5 39.Qd3 Kh6 40.Qf3 Qd6 41.Qf7 Rf8? 42.Qh5+– Kg7 43.Qg5 Qg6 44.Qh4 Rf4 45.Qe7 Rf7 46.Qe5 Kg8 47.Qh5?? Qf6–+ 48.Qf5 Qd4 49.Kf1 Qc4 0–1. Krafzik,Joachim (1865) – Fischer,Semen (1685), Bad Griesbach Seniors op 7th, 2004.

6.e3 Bg4

7.Qb3 Rb8 8.f4 (8.a3 Ba5+=) 8...0–0 9.h3 Be6 10.Nc3 Nh5 11.g4? (better is 11.Nf3–/+) 11...Qh4–+ 12.Kd1 Bg4! 13.hg4? (better is 13.Nge2–+) 13...Qh1 14.gh5 Qg1 15.Kc2 Bc3 16.Bc3 Qg4 17.Bd3 Qh5 18.Qb2 f6 19.Rg1 Qf7 20.Rh1 h6 21.Rg1 Qe7 (21...a6 22.Kd1–+) 22.Rg6 (22.Qb5 Rfd8–+) 22...b5! 23.cb5 a6! 24.a4 (24.ba6 Rb2 Pinning (24...Rb2 Deflection)) 24...ab5 25.ab5 Na7?? (better is 25...Kh8 26.Qa2 Nd8–+) 26.Qa2+/– Kh8 27.Qa7 Rb5?? (better is 27...Qf7+/–) 28.Bb5+– Rb8 (28...Qe4 29.Bd3 Qc6 30.Qd4+–) 29.Bd3 (29.Qb8 Kh7 30.Bd3 Qe8 31.Rf6 g6 32.Rf7 Qf7 33.Qh8) 29...Qd8 (29...Rd8+–) 30.Qa1 Ra8 31.Qb2 (31.Qh1 Ra2 32.Kc1 c6 33.Rh6 Kg8 34.Rh8 Kf7 35.Qh5 Ke7 36.Bf6 Kf6 37.Qg6 Ke7 38.Qg7 Ke6 39.f5 Kd5 40.Qd4) 31...Rb8 32.Qc1 Ra8 33.Kd1 Qd7 34.Ke2 Qh3 35.Qg1 Qh5 36.Qg4 Qh2 37.Qg2 Qh5 38.Kf2 Rg8 39.Bf6! Qg6 40.Qg6 1–0. carocan (1630) – aterf64, internet, 2013.

7.Be2 Be2 8.Ne2 Qe7 9.Nbc3 Ne5 10.d3 0–0–0 11.0–0+= c6 12.Rb1 Ba5 13.Nd4 h5 14.Nf3 Neg4 15.Ne2+/– Rde8 16.Bd4 c5 17.Bf6 gf6 18.e4 f5 19.Ng3 fe4 20.Nf5 Qf6 21.de4 Bc7 22.Qd5+– b6 23.Rfe1 Kb8 24.a4 Ne5 25.Re3 Nf3 26.Rf3 Qe5 27.Qe5 Re5 28.Re1 Rg8 29.Kf1 Kc8 30.Rh3 Rh8 (30...Rh8 31.f3 Re6+–; 30...Rg4 31.f3 Rf5 32.ef5 Rc4 33.Rh5 Ra4 34.Rh7+–). Chirpii,Alexandru – Vlaicu,Iuliu, Centrocoop June op–A, 1999.

7.f3 Bh5 8.Be2 0–0 9.Nh3 d5 10.0–0 Re8 11.d4 Re3–/+ 12.Bc1 Re8–+ 13.c5 b6 14.Bb5–/+ Re6 15.Bc6= Rc6 16.Qa4 Bc5 17.dc5 Rc5 18.Nd2 d4 19.Nb3 b5 20.Qa5 Rd5 21.Nf4 Re5 22.Bb2 Re8? 23.Qb5+– Bg6 24.Bd4 a6 25.Qc6 Rb8 26.Qa6 Bc2? 27.Qc4 Bb3 28.ab3 Qd6 29.Bf6 Rb4 30.Be5! Qb6 31.Bd4! Qd4 32.Qd4 Rd4 33.Ne2 Rb4 34.Nc1 Reb8 35.Ra7 c5 36.Rc7 1–0. Schaar,Joerg (1940) – Janka,Kurt (1775), RSS4D easy–35, 2007.

7.Nf3 0–0 8.a3 Ba5 9.Be2 =.

7.Nf3 0–0 8.Be2 d5 9.cd5 Nd5 10.0–0 Qd6 11.a3 Ba5 12.Qc2 Bh5 13.d4 (13.Nc3 Rfe8 (13...Bg6 14.Ne4 Be4 15.Qe4 Rae8 16.Qg4 f6 17.Bc4 Kh8 18.Qh5 Nb6+=; 13...Bc3 14.dc3 Ne5 15.Ne5 Qe5 16.Bd3 Qg5 17.Bh7 Kh8 18.Be4 c6+– 1.50; 13...Rae8 14.Nd5 Qd5 15.Rab1 a6 16.d3 Re6 17.Rfc1 Rd8 18.Rd1 Rg6=) 14.Nd5 Qd5 15.d4 Bg4 16.Rfc1 Rad8 17.Qa4 Bb6 18.Qc4 Be6=.

7.Nf3 0–0 8.Be2 d5 9.cd5 Nd5 10.0–0 Qd6 11.a3 Ba5 12.Qc2 Bh5 13.d3 Rae8 (13...Rfe8 14.Nc3 Bc3 15.Bc3 Nc3 16.Qc3 Ne5 17.Ne5 Be2 18.Rfe1 Re5=; 13...Rad8 14.Nbd2 Bd2 15.Qd2 Rfe8 16.Rab1 Bg4 17.Rfc1 a6 18.h3 Bf5=; 13...Bg4 14.Nc3 Bc3 15.Bc3 Rfe8 16.Rfb1 Rab8 17.Bb2 Rbd8 18.h3 Bf5=) 14.Nc3 Bc3 15.Bc3 Nc3 16.Qc3 Ne5 17.Ne5 Be2 18.Rfe1 Re5=.

7.Nf3 0–0 8.Be2 d5 9.cd5 Nd5 10.0–0 Qd6 11.a3 Ba5 12.Qc2 Bh5 13.Bd3 Qh6 (13...h6 14.Bh7 Kh8 15.Be4 f5 16.Bf5 Bf3 17.gf3 Ne5 18.Kg2 c6=; 13...g6 14.Ng5 Rfd8 15.Bb5 Ne5 16.Qa4 Ng4 17.f4 Bb6 18.Bc4 h6=; 13...Nf6 14.Ng5 Bg6 15.Bg6 hg6 16.d3 Rad8 17.Rd1 Rfe8 18.Nf3 Ng4+=) 14.Be4 Rad8 15.Nd4 Nd4 16.Bd4 Bg6 17.d3 Bb6 18.Bb6 cb6=.

7.Nf3 0–0 8.Be2 d5 9.cd5 Nd5 10.0–0 Qd6 11.a3 Ba5 12.Qc2 Bh5 13.d4 f5 (13...Rfe8 14.Nbd2 Bg6 15.Qb3 Nf4 16.Bd1 Bd2 17.Nd2 Nd3 18.Bf3 Rab8=; 13...Rae8 14.Nc3 Bc3 15.Bc3 f5 16.Bb2 Rf6 17.Rae1 a6 18.Qb3 Rh6=; 13...Rad8 14.Nbd2 Bd2 15.Qd2 Rfe8 16.Bc3 a6 17.Rfc1 Bg6 18.Qb2 b5=; 13...Rfd8 14.Nc3 Bg6 15.Qb3 Bc3 16.Bc3 Rab8 17.Rac1 Nc3 18.Qc3 Be4+=) 14.Nc3 (14.Nbd2 Bd2 15.Qd2 Rae8 16.Qc2 Rf6 17.Rae1 a6 18.Qb3 Rh6=) 14...Bc3 15.Bc3 Kh8 (15...f4 16.Bd2 Rae8 17.Qb3 Bf7 18.Bc4 fe3=) 16.g3 (16.Rfb1 Rab8+= 17.Bd2 f4 18.Qc5 fe3=; 16.Bd2 f4 17.Rab1 Rab8 18.Rb3 Bg6=) 16...Rf6 (16...f4 17.Bd2 Rae8 18.Qb3 fe3–/+) 17.Rfc1 (17.Rfb1 Qe7 18.Rb2 f4=) 17...Re8 (17...f4 18.ef4 Nc3=) 18.Qd2 (18.Be1 f4 19.Ng5 Bg6+=) 18...Bf3 (18...f4 19.gf4 Rg6 20.Kf1 Qd7–/+) 19.Bf3+= Rg6 (19...f4 20.gf4 (worse is 20.ef4 Nc3 21.Rc3 Nd4+=) 20...a6 21.Qb2+=) 20.Bb2 (20.Bb4!? Ncb4 21.ab4+/–) 20...Rf8 21.Rc5 Nce7 22.Rac1 c6 23.Bg2 Rgf6 24.a4 g5 Black plans f4 (24...b6 25.R5c4+=) 25.Ba3+/– Qd7 26.R5c2 Rg8 27.Bc5 b6 28.Ba3 f4 (better is 28...Re8+/–) 29.e4+– f3 30.Bf1 Nf4 31.a5 (31.gf4?? Qg4 32.Kh1 gf4 33.Bh3 Qh3 34.Rg1 Rg1 35.Kg1 Qg2) 31...c5? (better is 31...Ne2 32.Be2 fe2+–) 32.Bb2 (32.gf4?? gf4 33.Kh1 Qg4 34.Bh3 Qh3 35.Rg1 Rg1 36.Kg1 Qg2) 32...Rfg6 (32...Nh5 33.dc5 Qd2 34.Rd2 bc5+–) 33.e5 Nfd5 1–0. Kamaletdinov,Farit (1950) – Steyn,Valery (1960), Astrakhan Reg. Championship Open, 2007.

7.Nf3 Ne5?? 8.Be2?? (better is 8.Be5 Bf3 9.gf3 (9.Qf3?! de5 10.Qb7 Bd6+=) 9...Bd2 10.Nd2 (10.Kd2?! de5 11.Ke1 Qd1 12.Kd1 Rg8+–) 10...de5 11.Qb3+–) 8...Bf3= 9.Bf3 Nd3 (9...Nc4? 10.Qa4 c6 11.Qb4 Nb2 12.Qb2+–; worse is 9...Nf3 10.Qf3 c6 11.a3+=) 10.Ke2 Nb2 11.Qb3 Nc4 12.Qb4 Nb6 13.Bb7 Rb8 14.Bc6 Nfd7 15.Qe4 Qe7 16.Nc3 Qe4 17.Ne4 0–0 18.Rhb1 (18.d4 f5 19.Nc3 a6+/–) 18...Rfe8 (18...Ne5 19.Rc1+=) 19.f3 f5 20.Nc3 Re7 21.Nd5 Rc8?? (better is 21...Nd5 22.Rb8 Nb8 23.Bd5 Kf8+/–) 22.Ne7+– (22.Ne7 Kf7 23.Nc8 Nc8 24.Bd7+–) 1–0. carocan (1670) – aterf64, internet, 2013.

6.Nf3 0–0

7.a3 Ba5 8.Nc3 Ne5 9.e3 Bg4 10.Be2 Bf3 11.gf3= c6 12.Rg1 Re8 13.f4 Ng6 14.Qc2 d5 15.f5 Ne5 16.f4? Nc4–+ 17.Bc4 dc4 18.0–0–0 b5 19.Ne4 Re4 20.Bf6 Qf6 21.Qe4 Qa1 22.Qb1 Qa3 23.Qb2 0–1. Cossmann – Woschkat,Karl_Heinz, corr SOK–91–71, 1991.

7.e3 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3).

6.Nf3 Be6

7.a3 Ba5 8.e3 Qe7 9.Qc2 d5 10.cd5 Bd5 11.Nc3 Bf3=+ 12.gf3 0–0 13.Be2 Rad8 14.Rg1 Rfe8 15.Qf5 Qe5 16.Qe5= Ne5 17.0–0–0 Ng6 18.Na4 Rd6 19.Nc5 b6 20.Nb7 Rc6 21.Kb1 Rb8 22.f4 Nh4 23.Na5 ba5 24.Ka1 Ne8 25.Rc1 Rcb6 26.Bd4 Rb3 27.Ka2 a4 28.Rg5 g6 29.Ra5 Nf5 30.Bc3 R3b6 31.Ra7 Nfd6 32.Ra4 Kf8 33.Bd4 R6b7 34.Bf3 Rb5 35.Ra6 Ke7 36.a4 Rb4 37.d3 h6 38.Bc6 (38.Bc6 Kd8 39.Rc2 Rd4 40.ed4+–) 1–0. Perlitz,Heiko – Baer,Werner, TT–10 ETC, 2003.

7.e3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Be6).

7.e3 d5 8.cd5 Bd5 9.Be2 0–0 10.0–0 a6 11.Nc3 Re8 12.a3 Be7 13.Nd5 Qd5 14.d4 b5 15.Rc1 Qd7? (15...Rac8!?+=) 16.Qc2 Na5 17.Qc7 Qc7 18.Rc7 Bd6 19.Rc2 Rac8 20.Rfc1 Rc2 21.Rc2 Nd5 22.h3 Nb6 23.Ne5 (23.Nd2!?+/–) 23...Be5 24.de5 Nac4 25.Bd4 Na3 (25...Re5?? 26.Bc4 Nc4 27.Be5+–) 26.Rc6 Nbc4 27.Ra6 h6 28.Bc5 Nb1 29.Bd4 Nbd2 (29...Nba3 30.Ra7 g6+–) 30.g4 ½–½. mr5reasons1 (1605) – gertius (1805), gameknot.com, 2013.

7.e3 h6 8.Nc3 0–0 9.Be2 Re8 10.0–0 d5 11.Nd5 Nd5 12.cd5 Bd5 13.d4 a6 14.Qc2 Bd6 15.a4 Be4 16.Qd2 Bb4 17.Bc3 Bc3 18.Qc3 Re6 19.Nd2 Bg6 20.Bd3 Bd3 21.Qd3 Ne7 22.Rab1 b6 23.Rfc1 c5 24.Nf3 Nc6 25.Qb3 Na5 26.Qa3 c4 27.Nd2 Rc8 28.Rc3 Qd6 29.Qd6 Rd6 30.Rb4 Can c4 get defended? 30...Rdc6 31.Kf1 Kf8 32.Ke2 Ke7 33.d5 Rd6 34.e4 (34.Nc4?! Nc4 (34...Rd5?? 35.Nb6 Rcc5 36.Nd5 Rd5 37.Rb6+–) 35.Rbc4 Rc4 36.Rc4 Rd5=) 34...g5 35.Nc4 Nc4 36.Rbc4 Rc4 37.Rc4 b5 38.ab5 ab5 39.Rc7 Rd7 40.Rd7 Kd7 41.e5 Ke7 42.Kd3 f6 43.e6 Kd6 44.Kc3 f5 45.f3 f4 46.Kb4 h5 47.h3 1–0. dogmatix (1815) – vaha (1800), gameknot.com, 2010.

6.Nf3 Bf5

7.e3 Qe7 8.Be2 0–0 9.0–0 Rfe8 10.a3 Ba5 11.Qb3 Rab8 12.d3 h6 13.Nc3 14.Nb5 White gets strong initiative 14...a6 15.Nbd4 Bg4 16.h3 Bd7 17.Qa2 b5=+ 18.Ne5 de5 19.Nb3 Bb6 20.cb5 ab5 21.d4 ed4 22.Nd4 c6 23.a4 Bd4 24.Bd4 c5 25.Bf6 Qf6 26.ab5 Bb5 27.Bb5 Rb5 28.Qc4 Reb8 29.Rad1 Ra5 30.Rd5 Rb4 31.Qd3 g6 32.Qd2 Rab5 33.Rc5+/– Rb2 34.Rc8 Kg7 35.Qd7 Re5 36.Ra8 Rc2 37.Qa4 Rec5?? 38.Qe8+– (38.Qe8 Rc8 39.Rc8 Rc8 40.Qc8+–) 1–0. Sawamura,Tetsushi – Kitada,Makoto, Email Open, 2002.

7.e3 Qe7 8.Be2 0–0–0 9.0–0 Rhe8 10.d4 d5 11.Nc3 dc4 12.Bc4 Ne4 13.Qa4?? Nc3–+ 14.Bc3 Bc3 15.d5?! Ne5 16.Qa7 Nc4 17.Qa8 Kd7 18.Qa4 c6 19.Qc4 Ba1 20.dc6 bc6 21.Ra1 Qd6 22.Nd4?? Bg6 23.Rd1 Ke7 24.Nf5 Bf5 25.Rd6 Rd6 26.Qh4 Kd7 27.Qb4 Rd1 28.Qe1 Re1# 0–1. gtate (1700) – yvesr (1660), net–chess.com, 2002.

6.Nf3 Bg4

7.a3=+ Ne5?? 8.Be5 Bf3 9.gf3 Bc5? 10.Bb2 0–0 11.d4 Bb6 12.Rg1 g6 13.Qc2 c6 14.Nd2 Rc8 15.Bh3 Rc7 16.Qf5 Ne8 17.Ne4 d5 18.cd5 cd5 19.Nc3 Ba5 20.Rc1 Qd6 21.Rg2 Ng7 22.Qd3 Re8 23.Qb5 b6 24.Kd1 Bc3 25.Rc3 Rc3 26.Bc3 Qa3 27.Qb2 Qe7 28.Qb3?? Qb7?? 29.Rg5 Rd8 30.Rg1 Qe7 31.Rg4 f5 32.Bb4 Qc7 33.Rg3 Kh8 34.f4 Rc8? 35.Ba3 Nh5 36.Rg1 Nf6?? 37.f3?? Nd7?? 38.Kd2?? Qb7?? 39.Rc1 Rc1 40.Kc1 Qc6 41.Qc2 Qc4? 42.Qc4 dc4 43.e4 fe4 44.fe4 Nf6 45.d5 Ne4 46.d6 Nd6 47.Bd6 (47.Bd6 b5 48.Be5 Kg8 49.Be6 Kf8 50.f5+–) 1–0. Mitrus,Cezary – Wozniak,A, corr 1. AMM Poland, 1990.

7.e3 0–0 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 0–0 5.e3 d6 6.Bb2 Nc6 7.Nf3 Bg4).

5.Bb2 Qe7

6.a3 Ba5 7.e3 0–0 8.Be2 d6 9.Nf3 Bf5 10.Nc3 Bc3 11.Bc3 Ne4 12.Bb2 Rfe8 13.0–0 Nc5 14.d4 Qf6 15.Ra2 Nd7 16.d5 Nce5 17.Nd4 Nc5 18.Nb5 Qe7 19.Bd4 a6 20.Nc3 Qh4 21.f3 Bd3 22.Bd3 Ned3 23.Ne2 b5 24.cb5 ab5 25.Ng3 Qg5 26.Ne4? Qd5–/+ 27.Nc3 Qc4 28.Rc2 Qb3 29.Bc5 Nc5–+ 30.Qe2 c6 (30...c6 31.Rd1 Re6–+) 0–1. Andre,K – Woschkat,Karl_Heinz, corr SOK–91–71, 1990.

6.a3 Bd6 7.g3 Qe4 8.Nf3 Ne5 9.Bg2?? Nd3–+ 10.Kf1 Nb2 11.Qb3 Nc4 12.d3 Na5 13.Qc3 Qf5 14.e4 (14.e4 Qb5 15.e5–+). thotares (1675) – klim_bes, internet, 2007.

6.e3 d6 7.Nf3 Bg4 8.Be2 0–0–0 9.0–0 h5 10.h3 Rh6 11.d4 Rdh8 12.Nbd2 Bd2 13.Qd2 Ne4 14.Qd3 Ng5 15.Ng5 Qg5 16.d5 Ne5 17.Bc3 Bh3 18.g3 Nd3 19.Bd3 h4 20.Rfb1 hg3 21.f4 Qg4 22.Be4 g2 23.c5 Qg3 24.Bd4 Bg4 0–1. brother – ziutek64, internet, 2013.

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

6.e3 0–0

7.a3 Ba5 8.Nc3 Bb6 9.d4 d6 10.Nf3 Bg4 11.Be2 Rae8 12.0–0 Qd7 13.Nd2 Be2 14.Qe2 Qf5 15.Rac1 Nd4 16.Qe1 Ne6 17.Nf3 Ng5 18.Ng5 Qg5 19.h3 h5 20.Qe2 Qh6 21.Qf3 Re6 22.Nd5 Nd5 23.cd5 Rg6 24.g3 h4 25.g4 f5 26.Qf4 Qf4 27.ef4 fg4 28.hg4 Rg4 29.Kh2 Rff4 30.Rc3 Rf2 31.Rf2 Bf2 32.Kh3 Rg3 33.Rg3 Bg3 34.Bd4 g5 35.Ba7 b6 36.Bb8 Kf7 37.Bc7 Ke7 38.Bb6 Kf6 39.Kg4 Ke5 40.Bc7 Kd5 41.a4 1–0. mihai740609 – thatissosad, internet, 2014.

7.Nf3 d5 8.Qc2 h6 (8...Bd6 9.a3+=) 9.Be2 (9.a3 Bd6=) 9...Be6 (9...dc4 10.Bc4 Bd6 11.Nc3+=) 10.0–0 (10.cd5 Nd5 11.0–0 Rfd8=) 10...Rfe8 (10...Bd6 11.cd5 Nb4 12.Qc1 Nbd5 13.Nc3=) 11.a3= Ba5 12.d4 (12.cd5 Nd5 13.Nc3 Rad8=) 12...Rad8 (12...dc4 13.Bc4 Bc4 14.Qc4=) 13.Nbd2= Bg4 (13...Ne4 14.Nb3=) 14.Nb3 Qe4?? (better is 14...dc4 15.Bc4 Bb6=) 15.Bd3+– Qe6? (15...Bf3 16.Be4 Be4+–) 16.Nfd2 (better is 16.Ne5 Ne5 17.de5+–) 16...Bd2+= 17.Nd2 Qd7 (17...a5 18.Rfe1+/–) 18.Rfc1 (18.cd5 Nd5 19.h3 Be6+/–) 18...g6 (18...dc4 19.Nc4 Be6 20.Rd1+=) 19.cd5+/– Nd5 (19...Qd5 20.Bg6! Bh3 21.gh3 Qg5 22.Kh1 fg6 23.Rg1 Qd5 24.f3+–) 20.Ne4 Qe7 21.Nc5 Bc8 22.e4 1–0. Feofanov,Alexander – Chagasov,Oleg, Final Omsk, 2010.

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

5.Bc3 Bc3

6.Nc3 0–0

7.d4 Re8 8.Nf3 d6 9.g3 (9.e3!?=) 9...d5 10.cd5 Nd5 11.Nd5 Qd5 12.Bg2 Bf5 13.0–0 Be4 14.Qa4 Rad8 15.Rfd1 b5 16.Qa3 b4 17.Qb2 a5 18.Rac1 a4 19.Rc5?? (Better is 19.Qd2=+) 19...Qc5!–+ 20.dc5 (20.e3 Qd5 21.Nh4 Bg2 22.Ng2 Ne5–+) 20...Rd1 21.Bf1 Red8 22.h4 (22.g4 Bf3 23.Qc2 b3 24.ab3 ab3 25.Qb3 Be2–+) 22...Rb1 (23.Qd2 Bf3–+) 0–1. Frankygolucky – marekt, ChessWorld.net, 2004.

7.e3 d6 8.d4 Bf5 9.Bd3 Bd3 10.Qd3 Re8 11.Rb1 b6 12.Nge2 Qe7 13.0–0 Ne4 14.Nd5+= Qd8 15.f3 Nf6 16.e4 a5 17.a3 Nd5 18.cd5 Ne7 19.Rfc1 Rc8 20.Nf4 Qd7 21.Rc4 Ng6 22.Ng6+/– hg6 23.Rc6 f5 24.Rc2 fe4 25.fe4 Qg4 26.Re1 Re7 27.Re3 Rce8+/– 28.Rce2 Rf8 29.Re1 Qf4 30.Rf1 Qg5 31.Rf8+– Kf8 32.Qc3 Rf7 33.e5 Qf5 34.Qe1 Qg4 35.ed6 Qd4+/– 36.d7 Rd7 37.Qf2 Qf6 38.Rf3 (38.Rf3 Kf7 39.Rf6 gf6 40.Qf3+–) 1–0. Ahrens,Gerhard (1965) – Vetter,Udo, CiF, 2006.

7.e3 d6 8.d4= Bf5 9.Bd3 Bg4 10.Be2 Be2 11.Nge2 Na5 12.Qd3 Re8 13.0–0 c6 14.Ng3 Qd7 15.Rab1 b6 16.Rfc1 Rad8 17.e4 (17.d5 Rc8=) ½–½. Zelezny – Kovar, 1996.

7.e3 d6 8.Nf3 Bg4 9.Be2 Rb8 10.0–0 (10.d4 Qe7 11.0–0 Rfe8 12.Rb1 a6 13.Nd5 Qd8 14.Qd3 Nd5 15.cd5=; 10.d3 Re8 11.0–0 d5 12.cd5 Nd5 13.Nd5 Qd5 14.d4 a6 15.Qb3=; 10.Rb1 Bf5 11.Rb5 Qd7 12.0–0 a6 13.Rb3 d5 14.cd5 Nd5 15.d4=) 10...a6 (10...Qe7 11.d4 Rfe8 12.Rb1 a6 13.Nd5 Qd8 14.Qd3 Nd5 15.cd5=) 11.h3 (11.d4 Re8 12.Rb1 Qd7 13.Re1 b6 14.Nd5 Nd5 15.cd5=) 11...Bh5 (11...Bf3 12.Bf3 Ne5 13.Be2 d5 14.cd5 Nd5 15.Nd5=) 12.d4 Re8 13.a3 (13.Rb1 Qd7 14.Bd3 d5 15.g4=) 13...Nd7 (13...Bg6 14.Bd3 Bd3 15.Qd3=) 14.Nd2 (14.Nd5 Ne7 15.Nf4+=) 14...Bg6 (14...Be2 15.Ne2=) 15.Nb3 (15.Rc1=) 15...f6 16.Bh5 Ne7 17.Bg6 Ng6 18.Qc2 c6 19.a4 Qc7 20.Ne4 Nh8 21.c5 dc5 22.Nbc5 Nf7 23.Rab1 Nc5 24.Nc5 Nd6 25.Rb2 Ra8 26.Nb7! Nb7 27.Qb3 Kf8 28.Qb7 Qb7 29.Rb7 Rec8 30.Rc1 a5 31.Rb6 Rab8 32.Rcc6 Rb6 33.Rc8 Ke7 34.Ra8 Rb1 35.Kh2 Rb2 36.Kg3 g5 37.Ra5 1–0. Zerebecki,Dawid (1675) – Fukowski,Pawel, Kowalewo Pomorskie Poland, 2010.

7.Nf3 d5 8.e3 Be6 9.Qb3 b6 10.Qb5 Bd7 11.cd5= Nd4 12.Qb2 Nf3 13.gf3 c6 14.dc6 Bc6= 15.Be2 Qd7 16.Rg1 Qh3 17.Ne4 Be4 18.fe4 Qh2= 19.0–0–0? Qf2 20.Rdf1 Qe2 21.Rf6? Rac8–+ 22.Kb1 Qd3 23.Ka1 g6 24.Qb3 Qd2 25.Rgf1 Rc1 26.Rc1 Qc1 27.Qb1 Qe3 (27...Qe3 28.Qb2 Re8–+) 0–1. Daristedt,D – Mont_Reynaud,Jordy, Berkeley, 1991.

7.Nf3 d6 8.d4 Bf5 9.d5 Na5 (9...Ne7!?–/+) 10.e3= Re8 11.h3 b6 12.Nd4 Bg6 13.Bd3 Bd3 14.Qd3 Qe7 15.0–0 Rad8 16.Rab1 Qe5 17.Ncb5 Rd7 18.Rfd1 a6 19.Nc3 g5? (better is 19...Nb7+=) 20.Nf3+– Qe7 21.Ng5 Kh8 22.a4 Rg8 23.Nce4 Ne4 24.Ne4 f5 25.Ng3 f4? (better is 25...Qg5+–) 26.ef4 Qh4 (26...Qg7+–) 27.Qd4 Rdg7 28.Nf5 Qh5 29.Ng7 Rg7 30.Rd3 (30.Re1!? Qg6 31.g4 h5+–) 30...Qg6 31.Rg3 Qb1 32.Kh2 Qg6 33.Rg6 hg6 34.Qd3 Nb7 35.Qe2 (35.Qc2 Nc5+–) 35...Nc5 36.Qe8 Kh7 37.f3 Nd7 (37...a5 38.Kg3+–) 38.Kg3 (38.h4!? a5+–) 38...Nf6 39.Qc8 Nh5 (39...a5 40.h4 Rf7 41.f5 gf5 42.Qf5 Kg8 43.Kh3+–) 40.Kg4 White prepares the advance f5 40...Nf6 41.Kg5 Nh5 (41...Ng8+–) 42.f5 Ng3 (42...gf5 43.Kh5 Rf7+–) 43.f6 Rf7 44.Qe8 1–0. zuzinkaeaij (1675) – fuszerdopotegi (1695), internet, 2013.

7.Nf3 d6 8.e3 Bg4 9.Be2 Rb8 10.0–0 Bf3 (10...Qd7 11.Nd5=) 11.Bf3+= Ne5 12.Be2 c6 13.d4 Ned7 14.a4 b6 (14...Qa5 15.Qd3+=) 15.a5 ba5 16.Qa4 Re8 (16...c5!?+/–) 17.Qc6+– Rb6 18.Qa4 Ne4 (18...Rb2 19.Qa3 Rb6 20.Qa5+–) 19.Ne4 (19.Qa5?! Nd2+/–) 19...Re4 20.Qa5 Re8 21.Qa7 Rb2 22.Bf3 White intends c5 22...Rb8 23.c5 (23.Rfb1!? Nf6+–) 23...dc5 24.dc5 Nf6? (24...Ne5 25.Bb7 Qd7+–) 25.c6 Re7 26.Qd4 Qd4 27.ed4 Rc7 28.d5 Rd8 (28...Ne8 29.h3+–) 29.Rfd1 (better is 29.d6!? Rcc8 30.c7 Rf8+–) 29...Kf8 (29...Ne8 30.Re1+–) 30.g3 (better is 30.d6 Rcc8 31.Ra7+–) 30...Ne8 (30...Ke7 31.Rdb1+–) 31.Rab1 (31.Re1 Nd6+–) 31...Nd6 32.Rb6 Ke7 33.Rdb1 Nc4 34.Rb8 Rb8 35.Rb8 Nd2 36.Kg2 Nf3 37.Kf3 Kd6 38.Ke4 f6 39.Rb7 Rb7 40.cb7 Kc7 41.Kf5 Kb7 42.Ke6 Kc7 43.Ke7 f5 44.d6 Kc6 45.d7 Kd5 46.d8Q Ke4 47.Kf7 g6 48.Kg7 Kf3 49.Kh7 Kf2 50.Kg6 Kg2 51.Kf5 Kh2 52.g4 Kg3 53.g5 Kg2 54.Qd3 Kg1 55.Kf4 Kg2 56.Qc3 Kg1 ½–½. tyop (1605) – 0a0b, internet, 2013.

7.Nf3 Re8 8.e3 d6 9.Be2 Bf5 10.Qb3 Rb8 11.0–0 Ng4 12.d4 a6 13.h3 Nf6 14.d5 Ne5=+ 15.Nd4 White gets in control 15...Bg6 16.f4 Nd3 17.f5+/– Nc5 18.Qd1 Re3 19.Qc1 Re2 20.Nce2 Bh5 21.g4 Bg4+/– 22.hg4 Ng4 23.Rb1 Qh4 24.Nf3 Qh3+/– 25.Qf4 Re8 26.Qg3+– Qh6 27.Qg4 Re2 28.f6 g6 29.Qc8 Qf8 30.Qf8 Kf8 31.Rf2 Re8 32.Rfb2 h5 33.Kh2?? Re3 34.Rf1 b6 35.Rg2 Rc3 36.Nd2 Rc2 37.a3 Nd3 38.Kh3 g5 39.Rg5 Rd2+= 40.Rh5 Ke8 41.Rf3 Nf2 42.Kh4 Nd3 43.Rh8 Kd7= 44.Kg3 Ne5=+ 45.Rc3 b5 46.c5 dc5 47.Rc5=+ Rd3 48.Kf4 Ng6 49.Ke4 Ra3 50.Rh7 Ra4 51.Kf5 Kd6 52.Rc3= Kd5?? 53.Rf7+– Ne5? 54.Re7 Re4 55.Rc5!! Kc5 56.Re5 Re5 57.Ke5 (57.Ke5 a5 58.f7+–) 1–0. Prestige – FidelitySensory9, 1983.

6.Nc3 d5

7.cd5 Nd5 8.Qb3 (8...Nb6 9.e3=+; 8.e3 Nc3 9.dc3 Qf6=+). Anguis,Miquel Angel – Vranesh_Fallin,Scott (1700), FICGS, 2007.

7.cd5 Nd5 8.Nd5 Qd5 9.e3 Bf5 10.Nf3 0–0 11.Qb3= Qb3 12.ab3 Nb4 13.Rc1 c6 14.d4 Be4 15.Ne5 Rfd8 16.Bc4 Bg2 17.Bf7 Kf8 18.Rg1 Bd5 19.Bd5+/– Rd5 20.Ke2 Ra5 21.Ra1 Rb5 22.f4 Nd5 23.Ra3 a6 24.Kf3 Rd8 25.h4 c5 26.dc5 Rc5+= 27.Rd1 Rc3= 28.Rd3 Rd3 29.Nd3 Nc7 30.b4 Nb5= 31.Rb3 Ke7 32.Ne5 Kf6 33.Rb1 Rd2 34.h5 Na3 35.Rc1 Nc2 36.Ke4 Ke7 37.Rg1 Kf8 38.Rb1 b5 39.Nf3 Re2= 40.Rb3 Ke7 41.Kd3 Rf2 42.Ne5 Kd6 43.Rb1 h6 44.Ke4 Rg2 45.Rb3 Rd2+= 46.Ng6 Kd7 47.Rb2 Ke8 48.f5 Kf7 49.Nf4 Rh2 50.Ra2+/– Rd2 51.Ra6 Nb4 52.Rb6 Ra2 53.Rb5 Ra4 54.Rb7 Kf6 55.Rb6 Kf7 56.Ke5 Ra5 57.Kd4 Nc2 58.Ke4 Ra4 59.Kd3 Ne1 60.Ke2 Nc2 61.Nd5 Ra5 62.Rd6 Ke8 63.Kd2 Rc5 64.e4 Nd4 65.Ke3 Rc6 66.Rg6 Rg6 67.hg6 Nc6 68.Kf4 h5 69.Nc7 Ke7 70.e5 h4? 71.f6 gf6 The passed pawn on g6 quickly leads to threats 72.Nd5 Ke6= 73.g7 fe5–/+ 74.Kg5 (74.Kg5 Kd5 75.g8Q Kc5 76.Qf8 Kd5 77.Qf3 Kc5 78.Kh4+–) 1–0. Conde,Jose A – Winiger,Albert, TT–06 ETC, 2003.

7.cd5 Nd5 8.e3 Nc3 9.dc3 Qf6 =+.

5.Bc3 d5

6.Bb4 Nb4 7.Qa4 Nc6 8.cd5 Nd5 9.Nc3 Nc3 10.dc3 0–0 11.Nf3 Qf6 12.Rc1 Rd8 13.e3 Be6 14.Be2 Ne5 15.0–0 Bg4 16.Qe4 Nf3 17.Bf3 Bf3 18.gf3 c6 19.Rfd1 b6 20.Kg2 g6 21.Kg3 Rd1 22.Rd1 Qc3 23.Rd7 a5 24.Rc7. pierre – Red_power, internet, 2008.

6.cd5 Nd5 7.Bg7 Rg8 8.Bc3 Bc3 9.Nc3 Be6 10.Nf3 Qf6 11.Ne4 Qg6 12.d3 Nce7 13.Nc5 Bc8 14.d4 b6 15.Qa4 c6 16.Ne5 b5? 17.Ng6+– Rg6?? 18.Qc2 Bf5 19.e4 Nb4 20.Qb1 (20.Qb1 Be4 21.Qe4+–; 20.ef5 Nc2 21.Kd2 Na1 22.fg6 Rd8+–) 1–0. Pischner,Rainer (2205) – FR (1660), BdF T, 2004.

6.cd5 Qd5

7.Nf3 Bg4 8.Bb4 Nb4=+ 9.Nc3 Qe6 10.e3 0–0–0 11.Be2 Bf3–/+ 12.Bf3 Nd3 13.Ke2 Rhe8 14.Qa4 a6 15.Rab1 Nc5 16.Qc2= Qc4 17.Kd1 g5 18.d4= g4 19.Be2 Qe6 20.Ke1 Nce4 21.Ne4 Ne4 22.f3 Ng5 23.Rb3 gf3 24.Bf3 Nf3–/+ 25.gf3 Rd4 26.Kf2 Rh4 27.Rc3 Re7 28.e4 Rf4 29.Rc1–/+ c6 30.Qd2 Qe4 31.Qd6 Rd7?? 32.Qf8?? Kc7 33.Qc5 Rd2 34.Kf1 Qe2 (34...Qe2 35.Kg1 Qg2) 0–1. robertosalas (2600) – dennism (2360), net–chess.com, 2004.

7.Bf6 gf6 (--> 5.Bb2 d5 6.cd5 Qd5 7.Bf6 gf6).

6.e3 Bc3

7.dc3 Bg4 8.Be2 Be2–/+ 9.Qe2 Ne5 10.Nf3 Nc4 11.Nbd2 Nd2 12.Qd2 0–0 13.0–0 c5 14.Rfd1 Qe7 15.h3 Rfd8 16.Qc2 Qe4 17.Rac1 Rd6 18.Qe4 Ne4 19.Nd2 Nf6 20.Rb1 b6 21.g4 h6 22.a4 Rad8 23.Kg2 g6 24.Rb5 a6 25.Rb2 Re6 26.Kg3 Rdd6 27.h4 g5 28.h5 Kg7 29.Rb3 Kf8 30.Nf1 Re4 31.f3 Ra4 32.e4 Ne8 33.Ne3 c4 34.Rbb1–/+ d4 35.Nf5=+ d3 36.Nd6 Nd6 37.Rb6 Nb5 38.Rh6 Nc3 39.Rf1 Ra2 40.Rd6 Ne2 41.Kf2 Nd4 42.Kg3= Ne6 43.f4 gf4 44.Kf3 Re2 45.Rc1 Re3 46.Kf2 Re4 47.Rd5 a5! 48.h6 Kg8 49.Ra5 d2 50.Rh1 Kh7 51.Rf5 c3 52.Rf7 Kh8 53.Ra1 Rd4 0–1. Trokenheim,Marek (1800) – Delcaldo,Ramon (1700), FICGS, 2008.

7.Nc3 d4 8.Nb5 0–0 9.Nd4? (better is 9.Be2!?–/+ d3 10.Bf3 Ne5 11.c5 Qe7 12.Rc1 Rb8 13.h4 Rd8; 9.Nf3 Re8 10.Qa4 Bg4 11.Be2 d3 12.h3 Bh5 13.g4 de2) 9...Nd4–+ 10.ed4 Re8 11.Be2 Qd4 12.d3 Bf5 13.Kf1 Rad8 14.Nf3 Qb2 15.Rb1 Qa2 16.Ra1 (16.Rb7 Ne4! 17.Qb1 Qb1 18.Rb1 Nc3–+) 16...Qb2 17.Rb1 Qa3 (better is 17...Qe2!? 18.Qe2 Re2 19.Ke2 Bd3 20.Ke3 Ng4 21.Kf4 Nf2 22.Rhd1 Nd1 23.Rd1–+) 18.Ra1 Qd6 19.d4 a6 20.Bd3 (20.c5 Qe6–+) 20...Bg4 21.d5 c6 22.Rc1 cd5 23.c5 Qe7 24.h3 Bf3 25.Qf3 Rc8 26.g4 Rc5 27.Kg2 Rc1 28.Rc1 g6 29.Qf4 Qe5 30.Qb4 b5 31.Rc6 Re6 32.Rc8 Re8 33.Rc6 Ne4 34.Ra6 Nf2! 35.Bb5 Ne4 36.Ra3 Rb8 37.Qa4 Qb2 38.Kh1 Rb5 39.Qb5 Qb5 40.Rf3 Qe2 41.Ra3 Qd1 42.Kh2 Qc2 43.Kh1 Qc1 44.Kg2 Qa3 45.Kf1 Qa2 46.Kg1 Qf2 47.Kh1 Ng3# 0–1. Arcon,J (1660) – Ortega,C1 (1720), Provence–ch Majeur op, 1996.

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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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