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TESTH990 Release 2016-07-22
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 e5 2.b5 d5

(...)

3.Ba3 Bf5 4.Bf8= Kf8 5.Nf3 e4 6.Nd4 Nf6?? (6...Qf6 7.c3=) 7.e3?? (better is 7.Nf5 Ng4 8.Nc3+–) 7...Bd7= 8.d3 a6 9.Na3 (9.Nc3 ab5 10.de4 Ne4 11.Nd5 c6–+) 9...c6 (better is 9...ab5 10.Nb1 c5–/+) 10.de4? (10.bc6 Qa5 11.Qd2 Qd2 12.Kd2 Nc6 13.Nc6 Bc6+=) 10...de4?? (10...Qa5!? 11.Qd2 Qa3 12.bc6 Nc6 13.ed5–+) 11.ba6? (better is 11.bc6 Nc6 12.Qd2=) 11...Ra6?? (better is 11...Qa5 12.Qd2 Qa3 13.ab7 Ra7–+) 12.Ba6+/– Na6 13.0–0 h5 14.f3 Nd5? (14...Qe7 15.Nc4+–) 15.Qd2 (15.fe4 Ndc7 16.Nf5 Kg8+–) 15...b5? (better is 15...Qe7 16.Nc4 Rh6+–) 16.fe4 Ne7 (16...Nf6+–) 17.Ne6 Be6 18.Qd8 1–0. Droogstoppel – Novice, playchess.de, 2001.

3.a4 Bb4 4.e3 (4.Nf3 Nd7=+) 4...Bf5 (4...Nf6 5.Bb2 Nbd7 6.Nf3=+) 5.h4 (5.Nf3 Nd7=+) 5...Qd6 (5...Nf6 6.Bb2 Nbd7 7.Nf3–/+) 6.f3 (6.g4 Be6–/+) 6...Nh6 (6...Qg6 7.g4 Bc2 8.h5 Bd1 9.hg6–/+) 7.g4 Bd7 (7...Be6 8.c3 Bc5 9.d4 ed4 10.ed4 Qg3 11.Ke2=+) 8.Bb2 (8.c3 Ba5=+) 8...a6 (8...0–0 9.Nc3–/+) 9.c4 (9.Nc3 0–0–/+) 9...ab5 10.cb5 (better is 10.ab5 Ra1 11.Ba1–/+) 10...Qc5 (better is 10...0–0!?–/+) 11.Be5= Rg8 (11...Qe3 12.Qe2 Qe2 13.Be2+=) 12.Bd4 (12.Nc3 f6 13.Bd4 Qd6+/–) 12...Qd6+= 13.Rh3 (13.Ne2 c5 14.Bc3 Ba5+=) 13...c6 (13...f5 14.g5 Nf7 15.f4+=) 14.Qc2 (better is 14.Bd3 f5 15.g5+=) 14...Qc7? (14...f5 15.g5 Nf7 16.Ne2+=) 15.Bb2 c5? 16.Qh7+– Ng4?? 17.Qg8 Ke7 18.fg4 Bg4 19.Qg7 Bf5 20.Qf6 Kf8 21.Qf5 d4 22.Rf3 de3 23.Be5 Qd7 24.Qd7 Nd7 25.Re3 Ne5 26.Re5 Rd8 27.a5 Rd4 28.h5 Rg4 29.Kf2 c4 30.Kf3 Rg1 31.Bc4 Bd6 32.Rd5 Bg3 33.Rg5 Rf1 34.Bf1 Bc7 35.h6 (35...Be5 36.Re5+–) 1–0. riverborne – lossbut1, Caissa.com, 2004.

3.a4 b6 4.Bb2= d4 (4...f6 5.a5=) 5.c4 (5.Nf3 f6=) 5...c5=+ 6.e4 (6.e3 a6=+) 6...Nf6 7.f3 (7.Bd3 a6=+) 7...Bb7 (7...Be7 8.Bd3=+) 8.d3 (8.Na3 Be7–/+) 8...Be7–/+ 9.g4 (9.Be2 0–0–/+) 9...h6 (9...a6 10.Bg2–/+) 10.Bc1 (10.Bg2 Nbd7–/+) 10...g5 (10...a6 11.ba6 Na6 12.Be2–/+) 11.Bg2 a5 (11...a6 12.h4 gh4 13.f4=+) 12.h3 (12.Ne2 Kd7=) 12...Nbd7 13.Ne2 Qc7 14.Ng3 h5 (14...0–0–0 15.h4=) 15.Bg5 (15.Nf5 Rg8=) 15...hg4 (15...Ng4 16.hg4 Bg5 17.gh5=) 16.fg4 (better is 16.Nf5 gh3 A) 17.Ne7?? hg2 (17...Ke7?! 18.Rh3 Rh3 19.Bh3=+) 18.Rg1 Rh1–+; B) 17.Bh3=) 16...Nf8 (16...Ne4!? 17.Be4 Bg5=) 17.Rf1 (17.Qf3 Ng8 18.Be7 Ne7+/–) 17...N8h7 (17...Ne4 18.Ne4 Bg5 19.Ng5 Bg2 20.Rf7+/–) 18.Bf6 (18.Bh6 0–0–0+/–) 18...Bf6+= 19.Rf5 (19.Nf5 Bg5+=) 19...Bc8 (better is 19...Bh4!? 20.Kf2 Ng5–/+) 20.Rh5+= Bg7 (20...Be6 21.Qf3 Bg5 22.Nf5+=) 21.g5+/– Qd6 22.Bf3 Bd7 23.Bg4 0–0–0 24.Bd7 Rd7 25.Qg4 Qg6 26.Nf5 f6?? (27.Ne7 Kc7 28.Ng6 Rhd8 29.Rh7 fg5+–; better is 26...Kc7+/–). riverborne – clyde816, Caissa.com, 2004.

3.a4 c5 4.e3 Nf6 5.c4 (5.d4 ed4 6.ed4 Bd6=+) 5...d4 6.Qc2 Bd6 7.ed4 (7.e4 0–0=+) 7...ed4–/+ 8.d3 0–0 9.Bg5 (9.Nf3 Re8 10.Be2 Qe7–/+) 9...Bf5 (9...Re8 10.Be2–/+) 10.Nd2 h6 11.Bh4 Re8 12.Be2 Nbd7 13.f3 (13.a5 Qc7–/+) 13...Qc7 14.Nf1 (better is 14.Ne4–+) 14...Bd3?? (better is 14...a6–+) 15.Qd3+= Ne5 16.Qb3 g5 17.Bf2 d3=+ 18.Ng3 Qa5 19.Kf1 de2 20.N1e2 Rad8 21.Rd1 Bf8 22.Rd8=+ Rd8 23.Be1 Qc7 24.Nc1 Qd6–/+ 25.Bc3 Qd1 26.Qd1 Rd1 27.Ke2 Rh1 28.Nh1 Nfd7 29.Ng3 Nc4 30.Kd3 Nd6 31.Ne4 f5 32.Nd6 Bd6 33.h3 Kf7 34.a5 Ke6 35.Kc4 b6 36.a6 Be5 37.Be1 Nf6 38.g4 fg4 39.fg4 Ne8 40.Kb3 Kd5 41.Ka4 Kc4 42.Nb3 Nc7 43.h4? Bf4 44.hg5 hg5 45.Nd2 Kd3 46.Nb1 Nd5 47.Na3 c4 (48.Nb1 c3 49.Nc3 Nc3 50.Bc3 Kc3–+) 0–1. Susanna – Crippa,Arturo, corr, 1964.

3.a4 c6 4.e3 cb5 5.Bb5 Bd7 6.Nc3 Bb5 7.Nb5 a6 8.Nc3 Nc6 9.Qf3 Nf6 10.Bb2 e4 11.Qg3 Qb8 12.Nge2 Qg3 13.fg3 0–0–0 14.0–0 Rd7 15.Ba3 (15.Nd1!?=+) 15...Ba3 16.Ra3 Ne5 17.d4 Nc4 18.Raa1? (better is 18.Rb3–+) 18...Ne3 19.Rfc1 Rhd8 20.Nf4 Nc4 21.Ra2 Rc7 22.Nce2 g5 23.Nh3 h6 24.c3 Ng4 25.Nf2 Nf2 26.Kf2 Rd6 27.g4 Rf6 28.Kg1 Rcc6 29.Rf1 Rf1 30.Kf1 Rb6 31.Kf2 Rb2 32.Rb2 Nb2 33.a5 (33.c4–+) 33...Nc4 34.Ng3 Nd6 35.Ke3 Kc7 36.Nh5 b6 (36...Nc4 37.Kf2–+) 37.ab6 Kb6 38.Nf6 Kc6 39.g3 (39.Ng8 Kb5 40.Nh6–+) 39...Nc4 40.Ke2 a5 41.Kd1 a4 42.Nh5 (42.Ne4 de4 43.Kc2 a3–+) 42...Kd6 (better is 42...a3 43.Ke2 a2 44.Nf6–+) 43.Kc2 Ke7 (better is 43...a3 44.Kb3 e3–+) 44.Ng7 Ne3 (better is 44...e3 45.Nf5 Kd7 46.Ne3 Ne3 47.Kb2–+) 45.Kb2 (45.Kb1 Ng4 46.h3 e3 47.Nf5 Ke6 48.Ne3 Ne3–+) 45...Nf1 (45...Kf8 46.Ne6 fe6 47.Kc1–+) 46.h4 (46.Nf5 Kf6 47.Ka3–+) 46...Ng3 47.hg5 hg5 48.Nh5 Nf1 (better is 48...Nh5 49.c4 e3 50.Kc2–+) 49.Ka3 (49.Ng7 e3 50.Nf5 Ke6 51.Ne3 Ne3–+) 49...Ne3 (better is 49...e3–+) 50.Ka4 Ng4 51.Kb3 f5 52.Kc2 Nf6 (52...f4!? 53.Kd2–+) 53.Ng3 Ke6 54.Kd2 f4 55.Ne2 Kf5 56.Ng1 g4 57.Ke2 g3 58.Nh3 (58.Nf3 ef3 59.Kf3 Ne4–+) 58...Kg4 (better is 58...f3 59.Kd2–+) 59.Ng1 f3 60.Kf1 e3 61.Ke1 (61.Nf3 Kf3 62.Ke1 g2 63.Kd1 g1Q 64.Kc2 Qh2 65.Kb3 e2 66.Kb4 Qb8 67.Ka3 e1Q 68.Ka2 Qe2 69.Ka3 Qa6) 61...f2 62.Kf1 (62.Kd1 fg1Q 63.Kc2 e2 64.Kb2 e1Q 65.Kb3 Qb1 66.Ka4 Qb2 67.c4 Qga1) 62...fg1Q 63.Kg1 Kf3 (63...e2 64.Kg2 Nh5 65.Kg1 e1Q 66.Kg2 Nf4) 64.Kh1 (64.Kf1 g2 65.Kg1 e2 66.Kh2 e1Q 67.c4 Qh1) 64...e2 0–1. chooch555 – kim22, Live Game Caissa's Web, 2004.

3.a4 d4 4.e4 (4.Bb2 Bd6=) 4...de3 5.Qe2 (5.de3!? Bd6 6.Bb2=) 5...ed2 (5...Qd4 6.Nc3 ef2 7.Qf2 Qf2 8.Kf2 Bc5 9.Ke1–/+) 6.Bd2 Qf6 (6...Bd6 7.Bc3–/+) 7.Bc3 (7.Nc3 Bf5–/+) 7...Nd7 (7...Bd6 8.Nd2–/+) 8.g3 (8.Nd2 Bd6–/+) 8...Bd6–/+ 9.Bg2 (9.f4 Ne7–/+) 9...Ne7 10.g4 (10.Nd2 0–0–/+) 10...0–0 (10...Nb6 11.h4–+) 11.h4 (11.Nd2 Nb6–/+) 11...Ng6 12.g5 Qe6 13.Be4 (13.Bd2 Rd8–/+) 13...Nf4–+ 14.Qf3 Nc5 15.Ne2 (15.Nd2 Qg4–+) 15...Ne2 (15...Ne4 16.Qe4 Qd5 17.Qd5 Nd5 18.Bb2–+) 16.Qe2 Ne4 17.Qe4 Qf5 18.Qf5 (18.f3 a6–+) 18...Bf5 19.f4 (better is 19.Na3–+) 19...ef4 20.Ra2 (20.Kd1 Rfe8–+) 20...Rae8 (20...Rfe8 21.Kd1–+) 21.Kd1 Bc5 22.Nd2 Be3 23.Bb4 Bg4 (24.Kc1 Rd8–+) 0–1. riverborne – desmond, Caissa.com, 2004.

3.a4 f5 4.e3 Nf6 5.f4 (5.d4 ed4 6.Qd4 Be6=+) 5...e4 (5...ef4 6.ef4 Bd6 7.d4–/+) 6.Bb2 Bc5 7.c4 (7.Ne2 0–0=+) 7...c6 (7...0–0 8.cd5 Nd5 9.Qc2 Qh4 10.g3–/+) 8.Na3 (8.bc6 bc6 9.cd5 cd5 10.Bf6 Qf6=+) 8...0–0 9.Nc2 (9.Ne2 a6=+) 9...Be6–/+ 10.Ne2 (10.Qc1 cb5 11.cb5 Nbd7–/+) 10...dc4 11.Ned4 Qd7 12.Ne6 Qe6 13.Nd4 Bd4 14.Bd4 Nbd7 (14...cb5 15.ab5 Rc8 16.Qa4=+) 15.Rc1 (15.bc6 bc6 16.Qc2=) 15...c5 (15...cb5!? 16.ab5 Rfc8=+) 16.Bc4= Qc4?? (better is 16...Nd5 17.Qb3 N7b6 (17...cd4?? 18.Bd5 Qf7 19.Rc7+–) 18.Bd5 Nd5 19.Bc5 Rfc8=) 17.Rc4+– cd4 18.Qb3 Kh8 19.Rd4 Nc5 20.Qa3 Nd3 21.Rd3 ed3 22.Qd3 Ne4 23.Qe2 Rad8 24.h3?? Ng3 25.Qf3+– Nh1 26.g4 fg4 27.hg4 Rd3 28.Qh1 Rfd8 29.Qb7 Rd2 30.Qa7 Ra2 31.b6 h6 32.b7 Rb2 33.Qa8 Rg8 34.a5 Kh7 35.a6 1–0. phoenixd (1955) – dyddulikthat, net–chess.com, 2004.

3.a4 Bf5 4.d3 a6 5.c4 (better is 5.Bb2!? ab5 6.ab5 Ra1 7.Ba1=+) 5...dc4–+ 6.dc4 Bb4 (better is 6...Qd1 7.Kd1 ab5–+) 7.Bd2=+ Qd4 8.Na3?? (better is 8.Ra2 Qc4 9.Rb2–/+) 8...Bd2–+ (9.Qd2 Qa1 10.Qd1 Qa3–+) 0–1. marsman – Caissa, Live Game Caissa's Web, 2004.

3.Bb2 a6 4.e3 (4.ba6 Ra6 5.Be5 Re6+=) 4...ab5 (4...Nd7 5.Nf3 Bd6 6.Ba3=+) 5.Bb5 (5.Be5 Nd7 6.Bf4 b4=) 5...c6 6.Be2 Bd6 7.c4 Qb6 8.Qc2 Na6 9.cd5 cd5 10.Nf3 f6 11.e4? (11.Nc3 Ne7=) 11...d4?? (better is 11...Nb4!? 12.Qc3 de4–+) 12.d3 (12.Qb3 Qb3 13.ab3 Ne7=+) 12...Bd7 13.Ba3?? (better is 13.Nbd2=+) 13...Ba3–+ 14.Na3 Qb4 15.Nd2 Qa3 16.0–0 Rc8 17.Nc4 Qe7 18.Qb3 Nc5 19.Qb4 Rc7 20.Qb6 Rc6 21.Qb4 Ra6 (21...Be6 22.Rac1–+) 22.Rfc1 Ra4 (22...Re6 23.f4–+) 23.Qd2 (23.Qb6 Bc6 24.Na5 Nd7–+) 23...b5 24.Nb6 Ra7 25.Qb4 (25.Nd7 Nd7 (< 25...Qd7 26.Rc5 Ne7 27.Rb1+=; 25...Kd7?! 26.Qb4 Rc7 27.Qb5 Kd8 28.a4–+; 25...Rd7?! 26.Qb4 Rc7 27.Qb5 Kf7 28.Bd1–+) 26.Rc8 Kf7–+) 25...Ne6 (25...Na4 26.Qe7 Ne7 27.Na4 Ra4 28.a3–+) 26.Qb3 Nh6 (26...Nf4 27.Qd1–+) 27.Nd5 (27.Nc8 Nc5 28.Bh5 Kf8 29.Rc5 Qc5 30.Na7 g6 (30...Qa7?! 31.Qb4 Kg8 32.Qe7+=) 31.Nb5 Qb5 32.Qb5 Bb5–+) 27...Qd6 28.Bh5 g6 (28...Kd8 29.a3–+) 29.Bf3 (29.Nf6 Kf8 30.Nd7 Qd7 31.Bf3–+) 29...0–0 30.Rc2 Ra3 31.Qb2 Rd3 32.Be2 Ra3 33.Bb5 Bb5 34.Qb5 Rb8 (34...f5 35.Rc6 Qd7 36.Nb6–+) 35.Rc6 (35.Nf6 Kf7 36.Qd5–+) 35...Qd8 (better is 35...Rb5 36.Rd6 Ra2–+) 36.Nf6=+ Kf7 (36...Qf6 37.Qb8) 37.Qc4?? (better is 37.Qe5 Qf6 38.Qb8+=) 37...Qf6–+ (37...Kf6?! 38.Qe6 Kg7 39.Qe5 Kg8 40.Rd6=) 38.Rc7 (38.Re6 Qe6 39.Qc7 Qe7 40.Qb8–+) 38...Kf8 (38...Kg8 39.Rc6 Re8 40.Qc1–+) 39.Rh7 (39.Rc6 Ng4 40.f3–+) 39...Nf7 40.h3 (40.f4 Nf4 41.g3 Ne6–+) 40...Kg8 41.Qc1 (41.Rf7 Qf7 42.Qc1 Rba8–+) 41...Rc3 (42.Qc3 dc3 43.Rf7 Kf7–+) 0–1. Steingraeber,Barbara – Staats,Carsten, remoteschach.de, 2002.

3.Bb2 c5 4.Be5 a5 (4...Nd7 5.Bg3+=) 5.e3+/– Ke7 (5...Nf6!?+/–) 6.Nc3 Qd7? (better is 6...Be6+/–) 7.Qf3+– f6 8.Nd5 Ke8 9.Bg3 Bd6 10.Nb6 Be5 11.Nd7 Bc3 12.Qe4 Kd8 13.Nb6 Ba1 14.Na8 Bd4 15.ed4 cd4 16.Bc7 Kd7 17.Bc4 Nh6 18.Qe6# 1–0. Pierred (2175) – Moralito, Friendly Game, 1m + 0s, 2005.

3.Bb2 Bc5 (--> 1.b4 e5 2.b5 Bc5 3.Bb2 d5).

3.Bb2 Qd6 (--> 1.b4 d5 2.Bb2 Qd6 3.b5 e5).

3.Bb2 Be6 4.Be5+= Nd7 5.Bb2 (5.Bd4 Ngf6=) 5...Ngf6= 6.e3 c5 (6...Bd6 7.Nf3=) 7.Nf3 Qa5 8.Ng5 (8.Be2 Bd6+=) 8...Bg4 9.Be2 Be2 10.Qe2 Be7 (10...Bd6 11.Bf6 Nf6 12.0–0=) 11.0–0 Qb4 12.Ba3 Qh4 (12...Qg4 13.Qg4 Ng4 14.Nf3+=) 13.Nf3 Qh5 14.d4 (14.Bb2 0–0+=) 14...0–0 15.dc5 Bc5 (15...Nc5 16.Bc5 Bc5 17.Rd1+=) 16.Bc5 Nc5 17.Rd1 (17.Qd1 a6+=) 17...Rac8 18.Nd4 Qe5 (18...Qe2 19.Ne2 Nce4 20.Nd4+/–) 19.Nd2+/– Rfe8 20.N2f3 Qc7 21.a4 Nce4 22.Qd3 Ng4 (22...Nc3 23.Rd2+/–) 23.Rf1 Qd6 (23...f6 24.a5+/–) 24.Qa3 (24.Ra3 Nd2 25.Re1 Nf3 26.Nf3 Rc2 27.Qc2 Qa3+=) 24...Qg6 (24...Ne5 25.Ne5 Qe5 26.Qd3+/–) 25.a5 Rc3 26.Qb2 Qd6 27.a6 b6 28.h3 Ngf6 29.Rfd1 Rc5 30.Rd3 Qd7 31.Nd2 Nd2 32.Rd2 Ne4 33.Rd3 Rec8 34.Ra4 R8c7 35.Rb4 Nc3 36.Rb3 Ne4 37.Nc6 Nd6+= 38.Rdc3 Nc4 39.Qa1 f6 40.Qd1 Qe8 41.Qd4 Kf7 42.Qf4 Rd7 43.Qb8 Qb8 44.Nb8 Rdc7 45.Nc6 Kg6 46.Nd4 Nd6 47.Rc5 Rc5 48.Kf1 h5 49.g4 hg4 50.hg4 Rc8 51.Ke2 Kg5 52.f3 +–. Van Rooijen,Peter (1655) – Ondo,Bob (1935), CL4–2003.01.06, 2003.

3.Bb2 Ne7 4.Be5 f6 (4...Nd7 5.Bb2+=) 5.Bb2 c6 (5...Bf5 6.Nf3+=) 6.a4 (6.e3 Ng6+/–) 6...cb5 (6...Ng6 7.e3+=) 7.ab5+/– b6 (7...Be6!?+/–) 8.e3+– Ng6 (8...Be6 9.Nc3+–) 9.c4 (better is 9.Bd3+–) 9...dc4?? (9...Be6 10.cd5 Bd5 11.Nc3+/–) 10.Bc4 (better is 10.Qf3!? Nc6 11.Qc6 Bd7 12.Qe4 Ne7 13.Bc4 Bf5+–) 10...Ne5? (better is 10...Bb7 11.Nf3 Qc8+–) 11.Be5+– fe5 12.Qh5 g6 13.Qe5 Kd7 14.Qh8 Bb7 15.Qh7 Be7 16.Qg6 a5 17.Nf3 Kc8 18.Nc3 Nd7 19.Nd5 Bc5 20.Rc1 Nf8 21.Qf5 Nd7 22.Bb3 a4 23.Ba2 Qf8 24.Qf8 Nf8 25.d4 Nd7 26.dc5 bc5 27.Ke2 a3 28.Rhd1 Ra4 29.Nc3 Rg4 30.Be6 (30...Bf3 31.Kf3+–) 1–0. pumpkin (2330) – sagewildchild (1610), net–chess.com, 2007.

3.Bb2 Bf5 4.g3 (4.Be5 Nd7 5.Bd4 Ngf6=) 4...Nf6 5.e3 (5.Be5 Nbd7 6.Bd4 Bc5=) 5...c6 (5...Bd6 6.f4 Nbd7 7.Nf3–/+) 6.a4 (6.Be5 Nbd7 7.Bf4 Ne4 8.bc6 bc6=) 6...Bc5 7.d4 ed4 8.ed4 Qe7 9.Be2 Bb4 10.c3 Ba5 11.Nf3 0–0 (11...Qe6 12.0–0 0–0 13.Nbd2=+) 12.0–0 (better is 12.Ba3 Qe6 13.Ng5+/–) 12...Nbd7 13.Kg2 Qe6 14.Ng1 c5 15.Nd2 cd4 16.cd4 b6 17.Rc1 Ne4 (17...Rac8!?–/+) 18.Rc6 Qh6?? (better is 18...Qe7 19.Ne4 de4= (< 19...Qe4 20.Bf3 Bg4 21.Be4 Bd1 22.Bh7 Kh7 23.Rd1+/–)) 19.Rh6+– gh6 20.Ne4 Be4 21.Bf3 Nf6 22.Be4 Ne4 23.Qg4 Kh8 24.f3 Nf6 25.Qf5 Ne8 26.Qd5 Ng7 27.Qe5 Rae8 28.Qf6 Re6 29.Qf4 Be1 30.d5 Rg6 31.Re1 f6 32.Re7 Nh5 33.Qd4 Ng7 34.Nh3 Nh5 35.Nf4 Rg7 36.Nh5 Re7 37.Nf6 Re2 38.Kh3 (38.Kh3 Kg7 39.Qg4 Kf7 40.Qf5 Rc8 41.Ne4 Ke7 42.Qh7 Kf8 43.Qg7 Ke8 44.Nf6 Kd8 45.Qd7#) 1–0. MasterofDisaster – barro, Live Game Caissa's Web, 2004.

3.Bb2 g5 4.Be5+/– f6 5.Bb2 Bd7 6.e3 a6 7.Qh5 Ke7 8.c4 Qe8 9.Bf6?? (better is 9.Qe8 Ke8 10.Nc3 dc4 11.Bc4 ab5 12.Nb5 Bb5 13.Bb5 c6 14.Bc4+/–) 9...Kf6 (better is 9...Nf6!? 10.Qg5 ab5–/+) 10.Qf3= Ke5 (better is 10...Kg6 11.Qd5 c6 12.bc6 Bc6=+) 11.d4 Ke6 12.Nc3 (12...Bb4 13.Qd5 Kf6 14.Rc1=; 12.Qd5 Kf6 13.Qb7 Bb4 14.Nd2+–) 1–0. Taulien,Christian – Ich,Nirgendwo, remoteschach.de, 2001.

3.c3 (--> 1.b4 e5 2.c3 d5 3.b5).

3.Nc3 Bc5 A) 4.Bb2 Nf6 5.e3 Bd6 6.Nf3 c5 7.bc6 Nc6 8.Nb5 Bb8=+; B) 4.a3 Nf6 5.Nf3 Ne4 6.e3 Nc3 7.dc3 e4 8.Nd4 Nd7=+; C) 4.e3 Nf6 5.Nf3 e4 6.Nd4 0–0 7.Be2 a6 8.ba6 Na6=+.

3.Nc3 Bd6 4.a4 (better is 4.Nd5!? Nf6 5.Nf6 Qf6 6.e4=) 4...Nf6–/+ 5.h3 (5.Nf3 d4 6.Nb1 Be6–/+) 5...0–0 (5...d4 6.Nb1–/+) 6.g4 (6.e3 Be6–/+) 6...d4 7.Nb1 b6 (better is 7...a6!?–/+) 8.Bg2=+ c6 9.Bc6 (better is 9.a5!?=+) 9...Nc6–+ 10.bc6 Qc7 11.f3 (11.Nf3 Qc6 12.Ba3 Ba3 13.Na3 Be6–/+) 11...Qc6–+ 12.d3 (12.c3 e4–+) 12...a5 (12...Nd5 13.a5–+) 13.Bg5 (13.e4 Be6–+) 13...Be7 (13...Nd5 14.Qd2–+) 14.h4? h6 15.Bf6 Bf6 16.Qd2 Be6 17.g5 Be7 18.gh6 gh6?? 19.Qh6= Bd5 20.Qc6 Bc6 21.h5 f5 22.h6 Kf7 23.Rh5 Rh8 24.Rf5= Ke6 25.Rh5=+ Bb4 26.Kf1 Rh7 27.Nh3+/– Rah8? 28.Ng5+– Kf6 29.Nh7 Rh7 30.Kg2 Bc3?? 31.Ra3 Bb4 32.Rb3 Bd5 33.Rb2+– Bf7 34.Rh4 Be1? 35.Rb6 Kg5 36.Rh1 Bb4 37.Rb5 Rh6 38.Re5 Kg6 39.Rh6 Kh6 40.Re4 (40...Ba2 41.Rh4 Kg5 42.Rh1+–) 1–0. riverborne – bonge, Live Game Caissa's Web, 2005.

3.d3 Nf6–/+ 4.Nc3 Bb4 (4...d4 5.Nb1–/+) 5.Bd2 c6 (5...Qe7 6.Nf3–/+) 6.bc6 (6.Rb1 Qa5 7.Rb4 Qb4 8.Nd5 Qd6 9.Nf6 Qf6–/+) 6...Nc6 7.Rb1 (7.a3 Ba5–/+) 7...a5 (7...Qa5!? 8.Nb5 Bd2 9.Qd2 Qa2–+) 8.Nb5–/+ Bd2 (8...0–0 9.c3 Be7 10.Nf3–/+) 9.Qd2=+ e4 (9...0–0 10.e3=+) 10.d4 (10.de4 de4 11.Nd6 Ke7=) 10...0–0 11.Rb3 (11.e3 Be6=) 11...Nb4 (11...Be6 12.a4=+) 12.a3 Nc6 13.a4 (13.e3 Be6=+) 13...Re8 (13...Bg4 14.e3=+) 14.Qf4 (14.e3 Bg4=+) 14...Re7 15.Nd6?? (15.e3 Be6=+) 15...Nb4?? (15...Nh5 16.Qg5 Qd6 17.Qh5 Nd4 18.Rb1 Nc2 19.Kd2–+) 16.Nh3?? Nc2–+ 17.Kd1 Nd4 18.Rb7 Bb7 19.Ng5 Qc7 20.e3 Qc2 21.Ke1 Qc1# 0–1. Jolilein – Knight, mySchach.de, 2005.

3.d4 Bb4 4.c3 Ba5 (4...Bd6 5.de5 Be5 6.Nf3=) 5.Bb2 (5.de5!? Bf5 6.Nf3=) 5...ed4 6.Qd4 Nf6 7.g3 (7.e3 0–0+=) 7...0–0–/+ 8.Bg2 Bb6 9.Qd3 Nbd7 10.e3 (10.Bd5? Ne5 (10...Nd5?! 11.Qd5 Qf6 12.Nf3+=) 11.Bf7 Kf7 12.Qd8 Rd8–+) 10...Nc5 11.Qc2 Nce4 12.Nd2?? (12.Nf3 Ng4 13.Nd4 Ngf2–+) 12...Bf5 (better is 12...Nf2 13.Kf2 Ng4 14.Ke2 Ne3–+) 13.Ne4–/+ Ne4 14.Qe2 Re8 15.Nf3 Qd7 (15...Nf2!? 16.Kf2 Re3 17.Qe3 Be3 18.Ke3 Qe8 19.Kf2 Qb5–+) 16.0–0–/+ Bg4 17.a4 a6 (17...Qf5!? 18.a5 Bc5–/+) 18.a5 Bc5 19.ba6 Ra6 20.c4 dc4 21.Qc4 Rc6?? (21...Bf3 22.Bf3 Nd2 23.Qc5 Nf3 24.Kg2 Nh4 25.Kg1 Qg4 26.Qc7 Rh6–/+) 22.Ne5+– Re5 23.Be4 (23.Be5!? Nd2 24.Qf4 f6+–) 23...Be6 24.Bc6 Qc6 (24...Bc4?? 25.Bd7 Rd5 26.Rfd1+–) 25.Qc3 Rh5 1–0. Pawndynasty – Arsenio, playchess.de, 2002.

3.d4 f6 4.Nc3 (4.de5 fe5 5.e4 Nf6=) 4...c6 (4...Bb4 5.Bb2=+) 5.e4 (better is 5.de5 Bb4 6.Bd2=+) 5...cb5 (5...Bb4 6.Bb2 c5–+) 6.Bb5 (6.Nd5 ed4 7.Bb5 Nc6 8.Qd4 Bd6+/–) 6...Bd7 (better is 6...Nc6 7.Nd5 a6+=) 7.de5?? (better is 7.Bd7 Nd7 8.Nd5+/– (8.ed5?! Bb4 9.Nge2 Qa5=)) 7...fe5?? (7...Bb5 8.Nb5 Qa5 9.c3 Qb5 10.Qd5 Qd5 (10...fe5?? 11.Qb5 Nd7 12.Qb7+–) 11.ed5 fe5–+) 8.Qd5 Bb5 9.Qe5 Qe7 10.Qb5 Nc6 11.Bf4 a6 12.Qh5 g6 13.Qd5 Qb4 14.Qe6 Nge7 15.Nge2 Bg7 16.e5?? Nd4–/+ 17.0–0?? Ne6–+ 18.Bg3 Nd4 19.Rab1 Qc4 20.Rfe1 Nef5 21.Rb7 0–0 22.Kf1 Ng3 23.hg3 Be5 24.Ne4 Qc2 25.Ng5 Ne2 26.Re2 Qc1 27.Re1 Qg5 28.Re7 Qe7 (29.f4 g5–+) 0–1. cdamien – blitz, ICC,2003.

3.d4 Qf6 A) 4.de5 Qe5 5.c3 Bg4 6.Qa4 Qe4 7.Qe4 de4 8.Bf4 c6=; B) 4.e3 Bf5 5.Nf3 e4 6.Nfd2 Qg6 7.c4 Nf6 8.Nc3 dc4=; C) 4.Nf3 e4 5.Ne5 Bd6 6.Bd2 Ne7 7.c4 Be6 8.Nc3 Be5–/+; D) 4.c3 e4 5.e3 Be6 6.Ba3 Ba3 7.Na3 Qe7 8.Nc2 Nf6=+; E) 4.Bb2 Bd6 5.e3 Be6 6.de5 Be5 7.Be5 Qe5 8.Nd2 Nd7=.

3.e3 d4 4.ed4 Qd4 5.Nc3 Bc5 6.Qf3 (6.Qe2 Bg4 7.Nf3 Bf3 8.Qf3 Nd7=) 6...Bg4 7.Nge2 (better is 7.Qg3 Nf6 8.Nge2=+) 7...Qd7?? (better is 7...Bf3!? 8.Nd4 ed4–/+) 8.Qg3 (better is 8.Qb7 Nf6 9.Qa8+–) 8...Qf5? (8...f6 9.f4=) 9.Ne4?? (9.Nd5 Qc8 10.f3 Ne7 11.Ne7 Be7 12.fg4 Qe6+–) 9...Bb6?? 10.N2c3?? Nd7?? 11.Bd3?? 0–0–0?? 12.Nd6!+– cd6 13.Bf5 (13...Bf5 14.Qg7+–) 1–0. 31qaz – rene822, Live Game Caissa's Web, 2004.

3.e3 Qd7 4.Be2 (4.Nf3 Bd6=+) 4...c6 (4...Nf6 5.Ba3=+) 5.Nc3 (5.Nf3 Bd6=) 5...d4 (5...Bd6 6.Nf3=) 6.ed4 ed4 7.Ne4 (7.bc6 Nc6 (7...Qc6? 8.Bb5 dc3 9.Bc6 Nc6 10.dc3+–) 8.Ne4 Qe7=+) 7...cb5 (7...Qd5 8.f3=+) 8.Nf3 (8.Rb1 b4 9.Bc4 b5+=) 8...f5 (8...Qc6 9.Bd3 Qd7 10.Qe2+=) 9.Neg5 (9.Ne5 Qd5 10.Bh5 g6 11.Ng3 Qe5 12.Qe2–+) 9...h6 (better is 9...Nf6!?=) 10.Ne5+/– Qe7 11.Ngf7 (better is 11.Bb5!? Nc6 12.Qh5 Kd8 13.Ngf7 Kc7 14.Bc6 bc6 15.Qf3+–) 11...Rh7+/– 12.0–0 (12.Bb5 Bd7 13.Qe2 Nf6+/–) 12...a6 13.Re1 Be6 14.Bh5 Nf6? (better is 14...g6 15.Nd6! Qd6 16.Bg6 Kd8 17.Bh7 Bg7+–) 15.Ng5 Nh5 16.Qh5 Kd8 17.Nh7 Qc5 18.Nf8 Qf8 19.Ng6 Qf7 20.Bb2 Nc6 21.c4 bc4 22.Re2 Kc7 23.Rae1 Re8 24.g3 b5 25.Re6 Re6+= 26.Re6 Qe6 27.Nf8 Qe1= 28.Kg2 Qd2 29.Qf7 Kb6 30.Nd7 Ka5= 31.Nb8?? Qb2 32.Nc6 Ka4?? 33.Qg7?? c3?? 34.Qd4 b4?? 35.Qc5+– Qa2 36.Qb4# 1–0. brit3456 – FXRHD, Live Game Caissa's Web, 2005.

3.e3 Qe7 4.Bb2 (--> 1.b4 e5 2.Bb2 Qe7 3.e3 d5 4.b5).

3.e3 f5 4.c4 (4.Bb2 Bd6=) 4...c6 (4...d4 5.ed4 ed4 6.Qh5 g6 7.Qf3=) 5.Qb3 (5.Bb2 cb5 6.cb5 Bd6=) 5...Nf6 (5...d4 6.Qc2=) 6.cd5 Qd5 (6...cd5 7.Bb2 Nbd7 8.Nf3=) 7.Qd5 (7.Nf3 Qb3 8.ab3 e4=) 7...cd5 8.Nf3 Bd6 9.Bb2 Nbd7 10.Nh4 (10.Ba3 Ba3 11.Na3 0–0=) 10...Nf8 11.Nf3 Ng6 12.Ba3 Ke7 (12...Ba3 13.Na3 Bd7 14.Nc2=) 13.Be2 Bd7 14.Bd6 Kd6 15.0–0 Rhc8 16.Nc3 Rc7 17.a4 b6 (17...Ne4!? 18.Na2 Nc5=) 18.a5+= Rb8 19.ab6 ab6 20.Ra3 f4 21.Rfa1 Rc5 (21...fe3 22.fe3 Ne7 23.Bf1+=) 22.d4 (22.h3 fe3 23.fe3 Rc7+=) 22...ed4 23.Nd4 fe3 24.fe3 Rbc8 25.Na4 Rc1 26.Kf2?? spoils everything (better is 26.Bd1= would save the game) 26...Ne4 27.Kf3 Rf8 (27...Rf8 28.Nf5 Rf5 29.Kg4 h5 30.Kh3 Rf3; 27...Ne5 28.Kf4 g5) 0–1. Siepe,Hans Joachim – Sauer,Georg, Sauerland Bezirksliga, 2001.

3.e3 h5 4.Nf3 Rh6 (4...e4 5.Ne5=) 5.d4 (5.Ne5 f6 6.Nf3 Bf5+/–) 5...f6?? (better is 5...e4 6.Nfd2 Bg4=+) 6.de5+/– Nd7 (6...Be6 7.e4 Rg6 8.Qd3 de4 9.Qe4+/–) 7.Qd5 Ne5?? (7...Ne7 8.Qd4 fe5 9.Qh4+/–) 8.Bc4 (better is 8.Qg8 Nf3 9.gf3+–) 8...Ne7 9.Qd8 Kd8 10.Ne5 fe5 11.e4 Rg6 12.0–0 Rg4 13.Nc3+– Ng6? 14.h3 Rh4 15.Bg5 Be7 16.Rad1 Ke8 17.Bh4 Bh4 18.Nd5 Kd8 19.Nf4 Ke8 20.Ng6 a6 21.Nh4 ab5 22.Bb5 c6 23.Be2 Ra2 24.Bh5 Kf8 25.Rd8 (25...Ke7 26.Rc8+–) 1–0. Taulien,Christian – Woellner,Nico, remoteschach.de, 2002.

3.e3 Nh6 4.Bb2 Ng4 5.h3 (better is 5.Be2 Nf6 6.Be5+=) 5...Nf2? (better is 5...Nf6 6.Be5 Nbd7+=) 6.Kf2+– Qh4 (6...Bd6 7.c4 Nd7 8.Nc3+–) 7.g3 Qe7 8.Nc3 Be6 9.Bg2 e4 (9...Qf6 10.Qf3 Nd7 11.g4 Qh4 12.Ke2+–) 10.Nge2 Qf6 11.Kg1 Qd8 (11...Bd6 12.d3 Nd7 13.de4 de4 14.Nd4+– (14.Be4?! 0–0–0+–)) 12.Nf4 Bd6 (12...h5 13.d3 (worse is 13.Ne6 fe6 14.Ne2 Nd7+–) 13...Qg5 14.de4 Qg3 15.Qd2+– (15.Ncd5?! Bd5 16.Nd5 c6+–; 15.Ne6?! Qe3 16.Kf1 fe6+–)) 13.Ncd5 Bd5 14.Nd5 Bg3 (14...Be5 15.Be5 Qd5 16.Bd4+–) 15.Be4 c6 16.bc6 bc6 17.Qh5 cd5 (17...g6 18.Nf6 (18.Bh8? gh5 19.c4 cd5 20.Bd5 Nd7–+) 18...Qf6 19.Bf6 gh5 20.Bh8+–) 18.Rf1 g6 (18...Qe7 19.Qd5 a6 20.Rf3+–) 19.Qd5 Qd5 20.Bd5 f6 (20...Be5 21.d4 Nd7 22.Ba8+–) 21.Bf6 Rf8 (21...Nd7 22.Bh8 Rc8 23.Kg2+–) 22.Ba8 Kd7 (22...Rf7 23.Kg2 Bd6 24.Bc3+–) 23.Kg2 Bd6 (23...Na6 24.Bb7 Nc5 25.Bd5+–) 24.Bc3 1–0. pierre – anony, internet, 2015.

3.e4 d4 4.a4 Bc5 5.c4 (5.Nf3 Nf6 (5...Qd6 6.Bc4 Nf6 7.Qe2 a6 8.Bb2 ab5 9.ab5+=) 6.Bc4 Qd6 7.Qe2 a6 8.Bb2 ab5 9.ab5+=; 5.Bc4 Nf6 (5...Nd7 6.Nf3 Ngf6 7.0–0 Qe7 8.Re1 0–0 9.a5+=) 6.Nf3 Qd6 7.Qe2 a6 8.0–0 ab5 9.Bb5+=) 5...Nf6–+ (5...Nd7 6.Nf3 Ngf6 7.Qc2 Ng4 8.Bd3 Qf6 9.0–0+=) 6.d3 (6.Nf3 d3 7.Ba3 Ne4 8.Bc5 Nc5 9.a5–+) 6...h6 (6...Bb4 7.Bd2 Qe7 8.Be2 a6 9.Nf3+=) 7.Nf3 Bg4 (7...Nbd7 8.Be2 a6 9.0–0+=) 8.Be2 Bf3 (8...Qd6 9.0–0+=) 9.Bf3 a6 10.0–0 ab5 11.cb5 c6 12.Ba3 Nbd7 13.Bc5 Nc5 14.bc6 bc6 15.Qc2 Nfd7 16.Nd2 0–0 17.Nc4 Qc7 18.a5 Rfb8 19.Bg4 Nb3 The pressure on the isolated pawn grows 20.Ra3 Na5 (20...Ndc5 21.f4 ef4 22.Qa2=) 21.Na5 (21.Rfa1 Nc4 22.Ra8+–) 21...Ra5?? (better is 21...Nf6 22.Rfa1 Ng4=) 22.Ra5+– Qa5 23.Bd7 Qc3 24.Rc1?? (24.Qd1 Rb7 25.Bc8 Ra7+–) 24...c5 (better is 24...Qc2 25.Rf1 Rb1–+) 25.h3 (25.Qc3 dc3 26.f4 Rd8+–) 25...Rb3 26.Ba4 Ra3 (26...Qc2 27.Rc2 Rd3 28.Rc5+–) 27.Qc3 dc3 28.Kh2?? (better is 28.Bc6+–) 28...Ra4= 29.Rc3 Ra5 30.f3 g5 31.Kg3 h5 32.h4 f6 33.hg5 fg5 34.Kh3 (34.Rb3!?+=) 34...Kg7 35.g3 Kf6 36.Rb3 Ra6 37.Rc3 Rc6 38.Rc4 ½–½. delightful_porridge – RisingFast, ChessWorld.net, 2016.

3.f3 Bb4 A) 4.Bb2 Qg5 5.Nc3 Nf6 6.e3 0–0 7.a3 Bd6 8.Nge2 Re8–/+; B) 4.a3 Bc5 5.e3 Qe7 6.Bb2 Nf6 7.Ne2 0–0 8.Nbc3 Rd8–/+; C) 4.e3 Nf6 5.Bb2 Nbd7 6.c4 c6 7.Qa4 Qa5 8.Qa5 Ba5=+.

3.f3 Bd6 4.g3 (4.Nc3 Nf6 (4...Be6 5.Bb2 Nf6 6.e3 0–0 7.Nge2 c5 8.bc6 Nc6–/+) 5.e4 d4 6.Na4 0–0 7.Nb2 a6 8.Nc4 Bc5–/+; 4.e3 Nd7 (4...Be6 5.Ba3 Ba3 6.Na3 Qh4 7.g3 Qe7 8.Nb1 Nf6–/+; 4...Bf5 5.Bb2 Nd7 6.Ne2 Qh4 7.g3 Qh5 8.Nec3 Ngf6–/+; 4...Nf6 5.d4 ed4 6.ed4 0–0 7.Bd3 Nh5 8.g3 Qf6–/+) 5.Bb2 Nb6 6.f4 ef4 7.Qh5 Nf6 8.Qg5 0–0–/+; 4.Ba3 Ba3 5.Na3 Qe7 6.Qc1 Nf6 7.c4 d4 8.Nc2 0–0–/+) 4...Nf6 (4...Be6 5.Bb2 Nf6 6.e3 0–0 7.f4 e4 8.Bh3 a6–/+; 4...Ne7 5.e4 0–0 6.Bb2 Nd7 7.d4 de4 8.fe4 ed4–/+; 4...c6 5.e3 Nf6 6.Ba3 c5 7.d4 Nbd7 8.c4 ed4–/+; 4...Bf5 5.Nc3 Nf6 6.Nd5 Nd5 7.e4 Be6 8.ed5 Bd5–/+) 5.Bg2 (5.e3 0–0–/+ 6.Bb2 Re8 7.c4 d4 8.Qc2 Bc5–/+) 5...0–0 6.Bb2 c6 (6...a6 7.ba6 Na6 8.e3 Re8–/+) 7.bc6 (7.a4 Bd7 8.Nc3 d4–/+) 7...Nc6 8.Nc3 (8.e3 d4–/+) 8...Be6 (8...d4 9.Nb5–+) 9.Qc1 (9.e3 Re8–/+) 9...a6 (9...Rc8 10.Bh3–+) 10.Bh3 b5 11.a3 Qd7 12.Be6 Qe6 13.Nd1 Rac8 14.Nf2 Rc7 15.e3 Rfc8 16.Ne2 (16.Qb1 d4 17.ed4 ed4 18.Kf1 Ne5–+) 16...Ne7 (16...d4 17.Qd1–+) 17.c3 Qf5 18.0–0 (18.f4!?–+) 18...Qf3 19.Qd1 Qf5 20.d4 (20.Rb1 Qg5–+) 20...e4 (20...Qg5 21.a4–+) 21.Qe1 (21.a4 Qg5–+) 21...Qe6 (21...Rc4 22.Rb1–+) 22.Nf4 (22.a4 Nf5 23.Nd1 ba4 24.Ra4 Ra7–+) 22...Bf4 23.ef4 Ne8 (24.a4 Nd6–+) 0–1. Acevedo,Daiana – Needleman,Gaston, Buenos Aires Najdorf op U14, 2001.

3.f3 Nd7 A) 4.Nc3 Ngf6 5.e4 d4 6.Na4 Ne4 7.Ne2 Nd6 8.Ng3 Be7–+; B) 4.e3 Bd6 5.Bb2 Nb6 6.f4 ef4 7.Qh5 Nf6 8.Qg5 0–0–/+; C) 4.a3 Ngf6 5.e3 Bd6 6.Bb2 0–0 7.d4 c5 8.de5 Ne5–/+; D) 4.Nh3 Ngf6 5.Nf2 Bd6 6.e4 de4 7.fe4 Bc5 8.d3 a6–/+.

3.f3 Be6 A) 4.e3 Nf6 5.Ne2 Bd6 6.Bb2 Nbd7 7.d4 e4 8.Ba3 Ba3–/+; B) 4.Nc3 Nf6 5.e3 Bd6 6.Bb2 0–0 7.Nge2 c5 8.bc6 Nc6–/+; C) 4.Bb2 Nd7 5.d4 Bd6 6.e3 e4 7.Qd2 Qh4 8.Kd1 Ngf6–/+.

3.f3 Bf5 A) 4.e3 Nf6 5.d4 Bd6 6.c4 ed4 7.Qd4 Qe7 8.Bb2 c5–/+; B) 4.Nc3 Bb4 5.Rb1 c5 6.Bb2 Nf6 7.a3 Ba5 8.e3 d4–/+; C) 4.d3 Bd7 5.e4 Bb5 6.ed5 Qh4 7.g3 Qd4 8.c3 Qd5–/+; D) 4.Bb2 Bd6 5.e3 Nd7 6.Ne2 Qh4 7.g3 Qh5 8.Nec3 Ngf6–/+.

3.f3 Nf6 A) 4.e3 Bf5 5.d4 Bd6 6.c4 ed4 7.Qd4 Qe7 8.Bb2 c5–/+; B) 4.d4 Bd6 5.e3 0–0 6.Bb2 e4 7.c4 ef3 8.gf3 Re8–/+; C) 4.Bb2 Bd6 5.e3 Be6 6.Ne2 Nbd7 7.d4 e4 8.Ba3 Ba3–/+.

3.Nf3 Qd6 4.Bb2 e4 5.Ne5? (better is 5.Nd4=+) 5...f6–+ 6.e3 fe5 7.Ba3? (better is 7.Qh5 Qg6 8.Qe5 Qe6 9.Qc7–+) 7...Qg6 8.Bf8 Kf8 9.Qc1 Nf6 10.Qa3 Kf7 11.c4 Be6 12.Qc5 c6 13.Qd6 dc4 14.Qc7 Nbd7 15.Qb7 cb5 16.Nc3 (16.Qb5 Rhb8 17.Qa5 Nd5–+) 16...Rab8 17.Qa7 (17.Qa6 Rb6 18.Qa7 Rhb8–+) 17...Rhc8 (better is 17...b4 18.Nd1 Rhc8–+) 18.Nb5 (18.a3–+) 18...Rb5 19.g3 (19.a4 Rb2 20.Rc1–+) 19...Kg8 (better is 19...Rcb8 20.Rd1 Rb1–+) 20.Qa6 Rb6 21.Qc8–/+ Nf8 22.Bc4=+ Ng4 23.Be6 Qe6 24.Qe6 Ne6 25.0–0 Nc5 26.h3 Nf6 27.a4 Ra6 28.a5 Nb3 29.Rab1 Nd2 30.Rb8 Kf7 31.Rd1? Nc4?? 32.Rb5 Ra5–/+ 33.Ra5 Na5 34.g4 g5 35.Ra1 Nc4 36.Ra4 Nd2 37.Ra5 Kg6 38.Re5?? Nf3 39.Kg2 Ne5 40.f4 ef3 41.Kf2 Ne4 42.Kf1 Nd3 43.Kg1 h5 44.gh5 Kh5 45.Kf1 Kh4 46.Kg1 Kh3 47.Kf1 g4 48.Kg1 g3 49.Kh1 g2 50.Kg1 f2# 0–1. MasterofDisaster – AsylumAndTerror2, Live Game Caissa's Web, 2004.

3.Nf3 Bd6 4.Bb2 (--> 3.Bb2 Bd6 4.Nf3).

3.Nf3 f6 4.d4 e4 5.Nfd2 f5 6.Nb3 (6.e3 Nf6=) 6...Nf6=+ 7.Bf4 Bd6 8.g3 (8.Bd6 Qd6 9.e3 a6=+) 8...0–0 9.N1d2 (9.Qd2 a6=+) 9...Bf4–/+ 10.gf4 c6 (10...a6 11.ba6 Na6 12.Rg1=+) 11.e3=+ Be6 (11...a6 12.bc6 Nc6 13.Rg1=+) 12.h4 (12.Nc5 Qe7=+) 12...a6 13.Ke2? (13.ba6!? b6 14.a4=+) 13...Bf7 (13...ab5 14.h5–+) 14.Bg2 Bh5 15.f3 ab5 16.Nc5 Qe7 17.Qg1 Na6 18.Rf1? Nc5 19.Bh3 Ra2 20.Qg5 ef3 21.Nf3 Rc2 22.Ke1 Bf3 23.Rf3–+ Nd3 24.Kf1 Ra8 25.Bf5 Ra1 0–1. steelballs – johnava5, Caissa.com,2004.

3.g3 Bc5 4.e3 Qf6 (4...Qe7 5.Bb2–/+) 5.Bb2=+ b6 (5...Ne7!?=+) 6.Bg2 c6 (6...Bb7 7.f4 Nd7 8.Nf3+=) 7.a4 (7.f4 Nd7+= (7...cb5? 8.Be5 Qg6 9.Bd5+–)) 7...a6 (7...Bf5 8.bc6 Nc6 9.Bd5=) 8.Nc3 (better is 8.f4+=) 8...e4?? (8...ab5 9.ab5 Ra1 10.Ba1=) 9.Nge2?? (9.Nd5 Qb2 10.Nc7 Kd8 11.Na8 Nf6+–) 9...Bg4?? 10.0–0?? Bf3?? 11.d4?? Bg2 12.Kg2 Qf3 13.Kg1 Bd6 14.Qe1 Nf6–/+ 15.Nf4 Ng4 16.Qe2 Nh2?? 17.Kh2+– h5? 18.Qf3 ef3 19.Ba3 Bc7?? 20.bc6+– f5 21.Ncd5 Bf4 22.ef4 Ra7 23.c7 Kd7 24.cb8Q g5 25.Qa7 (25...Kd8 26.Qe7 Kc8 27.Qc7#) 1–0. jorginho10 – quantum, Live Game Caissa's Web, 2007.

3.g3 Nf6 4.Bb2 Bd6 5.Nf3 –/+.

3.h3 c6 4.a4 f6 5.Bb2 Bf5 6.g4 Be4 7.Rh2 a6 8.e3 ab5 9.ab5 Ra1 10.Ba1 cb5 (10...Bd6 11.Nc3 Bg6 12.Rg2=+) 11.Bb5 Nc6 12.Nc3 Bb4 (12...Qa5 13.Bb2=+) 13.Qb1 (better is 13.Ne4 de4 14.c3=) 13...d4?? (better is 13...Bc3 14.Bc3 d4=+) 14.Qb4 (14.Ne4 Qe7+–) 14...Qd7? (14...dc3 15.d3 (15.Qe4 Qd2 16.Kf1 Qc1 17.Kg2 Qa1+=) 15...Bd5 16.e4+/–) 15.Qa4?? (better is 15.Ne4 Nb4 16.Bd7 Kd7 17.Kd1 de3 18.fe3+–) 15...dc3+/– 16.Qa8 (16.Qe4 Qd2 17.Kf1 Qc1 18.Kg2 Qa1 19.Bc6 bc6 20.Qc6 Kf7 21.Qd5 Kg6 22.Qd3 Kh6+/–) 16...Qd8 17.Qd8 Kd8 18.Bc3 (18.d3!? Bd5 19.Bc3+/–) 18...Bc2+= 19.Bc6 (19.f4 e4=) 19...bc6= 20.Ba5 Kc8 21.Ne2 (21.d4 ed4 22.ed4 Ne7=) 21...e4 22.Nd4 c5?? (better is 22...Bd3=) 23.Nc2+– (23…h5 24.g5 fg5 25.Rg2+–) 1–0. riverborne – FierceDragon, Live Game Caissa's Web, 2004.

3.h4 Nd7 4.g4 Ngf6 5.f3 Bc5 6.h5 Bg1 7.Rg1 Nh5! 8.Rh1 (8.gh5 Qh4) 8...Ng3 9.Rh3 Nf1 10.Kf1 a6 11.ba6 Ra6 12.d4 Qf6 13.g5 Qe6 14.Rg3 c5 15.c3 Qd6 16.Kg2 e4 17.fe4 de4 18.Ba3 0–0 19.Nd2 (better is 19.Qb3–+) 19...Ra3 20.Ne4 (20.Nc4 Qa6 21.Na3 Qa3 22.Qc2–+) 20...Qf4 (better is 20...Qd5 21.Re3 Nb6 22.Qd3–+) 21.Nc5 Nc5 22.dc5 Bf5 23.Qd6 (23.Qd4 Be4 24.Kh2 Re8–+) 23...Be4 24.Kh3 (24.Kg1 Qh4 25.Qe5–+) 24...Qf2 25.Qd4 (25.Qe5 Bf5 26.Qf5 Qf5 27.Kh2–+) 25...Bf5 26.Rg4 Qd4 27.Kg3 Qg4 (27...Rc3 28.e3 Qg4 29.Kf2 Rc2 30.Kf1 Qf3 31.Ke1 Qe2) 28.Kf2 Re8 (28...Rc3 29.e4 Rc2 30.Kf1 Qf3 31.Ke1 Qe2) 29.Re1 (29.e3 Qh4 30.Kg2 Qh3 31.Kf2 Qe3 32.Kg2 Qh3 33.Kg1 Qg3 34.Kf1 Bh3) 29...Qh4 30.Kf1 (30.Kg2 Be4 31.Kf1 Qf4 32.Kg1 Qg3 33.Kf1 Qg2) 30...Bh3 31.Kg1 Qe1 (31...Qg5 32.Kh1 Qg2) 32.Kh2 Bg4 33.e4 (33.c6 Re2) 33...Ra2# 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

3.Ba3 Bd6

4.c4 dc4!? 5.e3 Be6 –/+.

4.c4 c6 5.cd5 cd5 6.Bd6 Qd6 7.Nc3 Nf6 8.e3 b6 9.Qb3 Be6 10.Qa4 0–0 11.Nf3 Nbd7 12.d4 e4 13.Ng5 Rac8 14.Ne6 fe6 15.Rc1 Rc7 16.Be2 Rfc8 17.0–0?? Rc3–+ 18.Rc3 Rc3 19.Qa7 Ra3 20.Qb7 Ra2 21.Qc8 Kf7 22.Bd1 Ra1 23.g4?? h6 24.g5 hg5 25.Bh5 Nh5 26.Ra1 Nhf6 27.Kg2 Ng4 28.Qh8 Ngf6 29.f4?? gf4–+ 30.Rg1 fe3 31.Kh1 Qf8 32.Qh3 Qg8 33.Qe3 Qh7 34.Rc1 Ng4 35.Rf1 Ndf6 36.Qg3 (36...Qh5 37.Kg1–+). pinecrest1981 – FedericoJones, Live Game Caissa's Web, 2005.

4.Bd6 Qd6 5.e3 c6 6.Nf3 Bd7 7.d4 ed4 8.Nd4 cb5 9.Nb5 Bb5 10.Bb5 Nc6 11.Nc3 Qb4 12.Qd3 Nge7 13.0–0 Rd8 14.a4 a6 15.Bc6+/– bc6 16.Ne2 Qa5 17.Rfb1 0–0 18.Nd4 Rb8 19.Nb3 Qb6 20.a5 Qb5 21.Qd1 Qc4 22.Qh5 Qc2–+ 23.Qd1?? Qd1 24.Rd1 Rb3 (25.Rdb1 Rfb8 26.Rb3 Rb3–+) 0–1. QueenAmyitis – Raimondi, internet, 2005.

3.a4 a5

4.Bb2=+ d4 5.e4 c6 6.Bc4 Nd7 7.Qf3 Ngf6 8.g4 g5 9.h4=+ Nb6 10.Bb3 Bg4 11.Qg3= Bh6?? 12.Qe5+– Qe7 13.Qd4 Nbd7+/– 14.f3 Bh5?? 15.hg5+– Bg5 16.Rh5! c5 17.Qc3 Bf4 18.Rf5 Be5 19.Re5 Ne5 20.Qe5 Qe5 21.Be5 Ke7 22.Bf6 Kf6 23.Nc3 Rhg8 24.0–0–0 Rg3 25.Nd5 Ke5 26.Ne3 Kf6 27.Bd5 Rb8 28.Nf5 Rg2 29.Nd6 (29...Rbg8 30.Bf7+–; 29.f4 Rbg8 30.Nh6 Rg1 31.e5 Ke7 32.Ng8 Rg8 33.Bb7 Rb8+–) 1–0. riverborne – active11, Live Game Caissa's Web, 2005.

4.e3 Nd7 5.Nf3 Ngf6 6.Be2 Bd6 7.0–0 e4 8.Nd4= h5 9.Nf5 Bh2 10.Kh2 Ne5 11.Ng7+/– Kf8 12.Rh1 Nfg4 13.Kg1 Qf6 14.f4 ef3 15.Bf3?? Nf3–+ 16.Qf3 Qa1 17.Qd5 Qf6 18.Ba3 Kg8 19.Qf3 Kg7 20.Bc5 Qf3 21.gf3 Ne5 22.f4 Ng4 23.Bd4 f6 24.e4 Bd7 25.Kf1 Kf7 26.Rh4 Rac8 27.c4 c5 28.Bc3 Rce8 29.d3 Ne3 30.Kf2 Nd1 31.Ke1 Nc3 32.Nc3 Reg8 33.f5 Rg4 34.Rh3 h4 35.Ne2 Ke7 36.Kf2 Be8 37.Kf1 Bh5 38.Kf2 Rg2 39.Kg2 Be2 40.Kf2 Bd1 41.Ke3 Ba4 42.d4 Bb3 43.Kd3 Kd6 44.Kc3 cd4 45.Kb3 Ke5 46.c5 Kf4 47.Kc4 Kg4 48.Ra3 h3 49.Ra5 h2 50.Ra1 h1Q 51.Rh1 Rh1 52.Kd4 Rd1 53.Kc4 Kf4 54.c6 bc6 55.bc6 Ke4 (56.Kb5 Kf5–+) 0–1. Norbeck,Ivar – Roos,Benny, corr SSKK 2–05 8788, 1988.

3.a4 Nd7

4.Bb2 Ngf6 5.e3 Bb4 6.Be2 0–0 7.Nh3 Re8 8.0–0 Nb6 9.Ng5 Bf5 10.f4 Nfd7 11.a5 Nc8 12.a6 ba6 13.Ra6 Nc5 14.Ra2 Nb7 15.Ra4 Bc5 16.Bg4 Bg4 17.Qg4 f6 18.Ne6 Qe7 19.fe5 Qe6 20.ef6 Qf7 21.fg7 Re3 22.d4 Re4 23.Rf7 Rg4 24.dc5 Kf7 25.Rg4 Ne7 26.Nc3 a5 27.ba6 Ra6 28.Nd5 Ng8 29.Rf4 Kg6 30.Rf8 Ra2 31.Bc3 Rc2 32.Rg8 Rc1 33.Kf2 Rc2 34.Kf3 Nc5 35.Rc8 Rc3 36.Nc3 Kg7 37.Rc7 Kg6 38.Rc5 Kf6 39.Nd5 Ke6 40.Rc7 Kd5 41.Rh7 Ke6 42.g4 Kf6 43.Rh6 Kf7 44.g5 Kg8 45.h4 Kg7 46.h5 Kf7 47.Rf6 Kg7 48.Ra6 Kg8 49.h6 Kh7 50.Rf6 Kh8 51.g6 Kg8 52.Kg2 Kh8 53.Rf8 1–0. COMP – COMP, 2002.

4.Bb2 Ngf6 5.e3 Bd6 6.Be2 0–0 7.Nf3 Re8 8.0–0 a6 9.Nc3 c6 10.d4 ab5 11.ab5 Ra1 12.Qa1 e4 13.Nd2 Qc7 14.h3 Bb4 15.Ba3 c5 16.dc5 Bc5 17.Bc5 Nc5 18.Qa7 Ne6 19.Ndb1 Bd7 20.Rd1 Rd8 21.b6 Qc5 22.Qb7 Bc6 23.Qa6 Rb8 24.Bb5 h6 25.Bc6 Qc6 26.Qb5 Rb6 27.Qc6 Rc6 28.Nd5 Nd5 29.Rd5 Rc2 30.Nd2 Nc5 31.Kf1 g6 32.Ke2 Kg7 33.Kd1 Rc3 34.Ke2 Rc1 35.h4 f5 36.Rd4 Nd3 37.Rd3 ed3 38.Kd3 Kf6 39.e4 fe4 40.Ke4 Rg1 41.g3 Re1 42.Kf4 Ke6 43.Ne4 Rh1 44.Nc5 Kd5 45.Nd3 Ra1 46.Kg4 Ke6 47.h5 g5 48.f4 Ra5 49.fg5 Rg5 50.Kf3 Kf6 51.Nf4 Rb5 52.Kg4 Rb4 53.Kh3 Kg5 54.Nd5 Rd4 55.Nf4 Ra4 56.Kg2 Kg4 57.Nh3 Ra3 58.Nf2 Kh5 59.Kh3 Kg5 60.Ne4 Kf5 61.Nd6 Ke6 62.Nb7 Kd5 63.Kg4 Ra6 64.Kh5 Ke5 65.Nc5 Rd6 66.Kg4 Kd4 67.Nb3 Ke4 68.Nc5 Ke3 69.Nb7 Rd5 70.Kh3 Kf3 71.g4 Rd1 72.Kh2 Kg4 73.Nc5 Rd4 74.Nb3 Rd5 75.Kg2 h5 76.Kf2 h4 77.Kg2 Rb5 78.Nd4 h3 79.Kf2 Rb2 80.Ke3 h2 81.Kd3 h1Q 82.Kc4 Rb6 83.Kc5 Qe4 84.Kb6 Qd4 85.Kc6 Qc4 86.Kd7 Qd5 87.Kc7 Qe6 88.Kb7 Qd6 89.Kc8 Qe7 90.Kb8 Qd7 91.Ka8 Qb5 92.Ka7 Qc6 93.Kb8 Kf4 94.Ka7 Qb5 95.Ka8 Ke4 96.Ka7 Kd5 97.Ka8 Kc6 98.Ka7 Qb7 0–1. COMP – COMP, 2002.

4.Nf3 Ngf6 5.Bb2 Bd6 6.e3 0–0 7.Be2 Re8 8.0–0 a6 9.d4 e4 10.Ng5 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.Bh5 g6 14.Be2 h6 15.Nh3 Bh3 16.gh3 Qd7 17.Kg2 Ra8 18.Nc3 Kg7 19.f3 Qf5 20.h4 ef3 21.Rf3 Qg4 22.Rg3 Qh4 23.Rh3 Qg5 24.Kh1 Qf5 25.Rf3 Qh5 26.h3 Qg5 27.Bb2 Nh5 28.Bd3 Ng3 29.Kg1 Nf5 30.Kh1 Nh4 31.Rf2 Qe3 32.Qf1 f5 33.Re2 Qg3 34.Rf2 Nc4 35.Bc4 dc4 36.Ne2 Qe3 37.d5 Be5 38.Nc3 Bc3 39.Qe2 Re8 40.Bc3 Kh7 41.Qe3 Re3 42.b6 Rh3 43.Rh2 Rh2 44.Kh2 cb6 45.Kg3 g5 46.d6 f4 47.Kg4 Kg6 48.d7 h5 49.Kh3 Kh6 50.d8Q Ng6 51.Qb6 g4 52.Kh2 h4 53.Qb7 g3 54.Kh3 Kg5 55.Qd5 Ne5 56.Qe5 Kg6 57.Qf6 Kh5 58.Qf5 Kh6 59.Kh4 g2 60.Qh5 1–0. COMP – COMP, 2002.

3.a4 Be6

4.Bb2 Bd6 5.Nf3 Qf6 6.e3 =+.

4.Bb2 Nd7 5.g3 a6 6.e3 ab5–/+ 7.ab5 Ra1 8.Ba1 Qa8 9.Bc3 h6 10.d4 e4–/+ 11.Qc1 Ngf6 12.Ne2 Be7 13.Bg2 0–0 14.0–0 Nb6 15.Nd2 Qa4 16.Qb2 Nc4 17.Nc4=+ Qc4 18.Nf4 Ra8 19.Ne6 fe6 20.Bh3 Kf7 21.Re1 Ra2 22.Qb3 Qb3 23.cb3 Rc2 24.Ba1 Ne8 25.Bf1 Nd6 26.Be2 Nf5 27.Bd1 Rc1?? 28.Bh5+– g6 29.Bg6! Kg6 30.Rc1 Bd8 31.Bc3 Nd6 32.b6 c6 33.Ra1 Nb5+/– 34.Ra8 Bb6 35.Ba5 Ba7 36.Kg2 Kf6 37.h4 e5 38.de5 Ke5 39.Kh3 c5 40.Rh8 d4 41.ed4 cd4 42.Rh6 d3? 43.Rh5 Kd6 44.Rb5 Bf2 45.Kg2 e3 46.Kf1 Bg3 47.Bb4 Kc6 48.Rc5 Kb6 49.Rc1 Kb5 50.Bc3 Bh4+/– 51.Kg2 Bf6=+ 52.Kf3 d2 53.Bd2 ed2=+ 54.Rd1 Bc3 55.Ke2 Kb4 56.Rb1 Ka3 57.Kd1 Bb2 58.Kc2+= b6 59.Rh1 Bc1 60.Rh3 Kb4 61.Rh4 Kc5 62.Rh8 Kb5 63.Rc8 Kb4 64.Rc4 Kb5 65.Kd1 Ka5 66.Rd4 Kb5 67.Ra4 Kc5 68.Kc2 Kb5 69.Rg4 Kc5 70.Rg1 Kb5 71.Kc3 Ka6 72.Kc4 b5 73.Kc5 Ba3 74.b4+– Bb2 75.Rb1?? Kb7 76.Rd1+– Bc1 77.Kb5 Ka7?? 78.Kc6 Ba3 79.Rd2 Ka8 80.b5 Bb4 81.Rg2 Ba5 82.b6 (82…Bb6 83.Kb6 Kb8 84.Rg8#) 1–0. Rey Hermida,JJ – Arias Duran,Jorge (2030), Ibercaja op Zaragoza, 1997.

4.e3 Nf6 5.Nf3 Bd6 6.Ba3 0–0 7.Be2 c5 8.Ng5 Bf5–/+ 9.0–0 Qc7 10.g4 Be6 11.f3 Nbd7 12.d3 h6 13.Ne6=+ fe6 14.c4 e4 15.Kg2? ef3–/+ 16.Rf3 dc4 17.Rh3? cd3–+ 18.Qd3 Ne5 19.Qd1 Ne4 20.Nd2 Rf2 21.Kg1 Nc3 22.Kf2 Nd1 23.Bd1?! Rf8 24.Ke1 Qf7 25.Bf3 Nf3 26.Rf3 Qg6 27.Rf8 Kf8 28.Rc1 Qg4 29.Nc4 Qg1 30.Kd2 Qh2 31.Kd3 Be7 32.Rc2 Qg3 33.a5 h5 34.Re2 h4 35.Bb2 Bf6 36.Bf6 gf6 37.Nd2 f5 38.Nf1 Qf3 39.Nh2 c4! 40.Kd2 Qd5 41.Kc1 Qd3 42.Rc2 c3 43.a6 b6 (44.e4 Qe4 45.Rc3 Qh1 46.Kc2 Qh2 47.Kb3 Qe5–+) 0–1. Norbeck,Ivar – Adolfsson,Leif, corr SSKK 2–05 8788, 1988.

3.Bb2 Bd7

4.a4 a6 5.ba6 Na6 6.e3 Nc5 (6...e4!?=+) 7.Be5= Nf6 8.a5 Bc6 9.d4 Na4 10.c3 Nb2 11.Qb3 Nc4 12.Bc4?? (Better is 12.Nf3 Na5 13.Qc2+=) 12...dc4–+ 13.Qc4 Bg2 14.Qc7 Qc7 15.Bc7 Rc8 16.Bb6 Bh1 17.f3 Nd5 18.Kf2 Nb6 19.ab6 Bd6?? 20.f4?? 0–0 21.Nd2 Rc3 22.Ngf3 Bf3 23.Kf3 Re8 24.Ne4 Rc6 25.Ra7 Rb6 26.Nd6 Rd6 27.Rb7 Rde6 28.Rb3 f5 29.h4 g6 30.Rc3 Kg7 31.Rd3 Kh6 32.d5 Re4 33.d6 Rd8 34.Rd2 Re6 35.d7 Re7 36.h5 Red7 37.Rd7 Rd7 38.hg6 hg6 39.e4 Rd3 40.Ke2 Ra3 41.e5 Kg7 42.Kf2 Kh6 43.Kg2?? g5 44.fg5 Kg5 45.Kf2 f4 46.e6 Kf6 47.e7 Ke7 (48.Ke2 Ra6–+) 0–1. MasterofDisaster – febble, Live Game Caissa's Web, 2004.

4.a4 Bd6 A) 5.Nf3 A1) 5...Qf6 6.c4 (6.Qc1 Ne7 7.c4 c6 8.c5–/+) 6...dc4 7.Na3 Be6 8.e3=; A2) 5...f6 6.e3 (6.c4 Ne7 7.cd5 Nd5 8.e4=) 6...Bg4 7.Be2 Nh6 8.c4=; A3) 5...Qe7 6.e3 (6.c4 Nf6 7.cd5 0–0 8.g3+=) 6...Nf6 7.Be2 Bg4 8.0–0+=; B) 5.g3 B1) 5...Ne7 6.Nf3 (6.Bg2 0–0 7.Nf3 f6 8.0–0+=) 6...Ng6 7.h4 f6 8.Bg2+=; B2) 5...Bf5 6.Nf3 (6.Bg2 Nf6 7.Nf3 Nbd7 8.d3+=) 6...Qe7 7.c4 dc4 8.Bg2+=; B3) 5...Nf6 6.Nf3 (6.Bg2 0–0 7.Nf3 e4 8.Nd4–/+) 6...Qe7 7.c4 a6 8.Bg2–/+; C) 5.e3 C1) 5...Nh6 6.Nf3 (6.Nc3 Be6 7.Nf3 0–0 8.Be2+=) 6...Qf6 7.c4 0–0 8.cd5=; C2) 5...Bf5 6.f4 (6.Nf3 Qe7 7.Be2 Nf6 8.0–0+=) 6...f6 7.Nf3 ef4 8.Nd4=; C3) 5...Nf6 6.Nf3 (6.Be2 Qe7 7.Nf3 0–0 8.d4+=) 6...Qe7 7.d4 e4 8.Ne5+=.

4.a4 Nf6 5.Nf3 (5.Be5 A) 5...Be6 6.Nf3 (6.e3 Nbd7 7.Bd4 Bd6 8.Nf3=) 6...c5 7.bc6 Nc6 8.Bb2+=; B) 5...Bf5 6.e3 (6.Nf3 Bd6 7.Bd6 Qd6 8.e3=) 6...c5 7.Bd3 Bd3 8.cd3+=; C) 5...Bg4+= 6.f3 (6.Nf3 Nbd7 7.Bc3 Bd6 8.e3=) 6...Be6 7.e3 c5 8.Be2=) 5...Bd6 (5...e4 6.Nd4 (6.Ne5+= Be6 7.e3 Bd6 8.Be2+=) 6...Bd6 7.Na3 e3 8.de3+=) 6.e3 (6.Be5 Be5 7.Ne5 Ne4+= (7...a6 8.Nd7=) 8.Nd7=; 6.Ne5 Bf5 7.e3 Nbd7 8.f4+=) 6...c5 (6...e4 7.Nd4 (7.Ne5+= Be6 8.Be2+=) 7...0–0 8.Be2+=; 6...Qe7 7.Be2 Bg4 8.0–0+=) 7.c4 (7.Be5 Be5 8.Ne5 0–0+=; 7.Ne5 Be6 8.Be2+=) 7...dc4 (7...d4!?+= 8.d3+=; 7...e4 8.Ne5+=) 8.Bc4 (8.Ne5+=) 8...a5 (8...Qe7 9.d3=) 9.0–0 (9.Ne5 0–0+/–) 9...0–0 (9...Qe7 10.d4 cd4 11.ed4=) 10.Qc2 (10.Be5 Be6 11.Be6 fe6+/–) 10...h6? (10...e4 11.Ng5 Bh2 12.Kh2 Ng4 13.Kg1 Qg5 14.Qe4=) 11.Nc3 (11.Ne5 Be6+/–) 11...Qc8? (better is 11...Bg4!?=) 12.Ne4+/– Ne4 13.Qe4 1–0. Rudol,Maria – Sobczak,Marta, Mistrzostwa Miedzywojewodzkie Juniorow Poland, 2011.

4.e3 e4 5.c4 Be6 6.Qc2 c6 7.d4 Bb4 8.Bc3 Bc3 9.Qc3 cb5 10.cb5 Nd7 11.Nd2 Rc8 12.Qa3 Qb6 13.Ne2 Qb5 14.Qa7 Qb2 15.Rb1 Qc2 16.Rb7 Ngf6 17.Qa3 Bg4 18.f3 ef3 19.gf3 Bf5 20.h4 Bd3 21.Rb2 Qc6 22.Nf4 Bf1 23.Rf1 h6 24.Nd3 Qe6 25.Nf4 Qe7 26.Qe7 Ke7 27.Ke2 Rb8 28.Rfb1 Rb2 29.Rb2 Ra8 30.Nd3 Ne8 31.Nc5 Nd6 32.a4 Nf5 33.Rb7 Rd8 34.a5 Kd6 35.Ndb3 Nh4 36.a6 Nb8 37.a7 Nc6 38.Rd7 1–0. cmulligan (2085) – smoothoperator (2180), net–chess.com, 2014.

3.Bb2 f6

(--> 1.b4 e5 2.Bb2 f6 3.b5 d5).

4.a4 Be6 5.e3 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.a4).

4.c4 d4 5.e3 c5 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 c5 5.c4 d4).

4.d4 e4 5.e3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 e4).

4.e3 c6 5.a4 Be6 6.Nf3 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 c6 6.a4).

4.e3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6).

4.e3 Be6 5.d4 e4 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 e4).

4.e3 Be6 5.Nf3 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3).

4.e3 Be6 5.Nf3 Bd6 6.c4 Ne7 7.d4 e4 8.Nfd2 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Bd6 6.d4 e4 7.Nfd2 Ne7 8.c4).

4.e3 Be6 5.Nf3 Nd7 6.d4 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 Nd7 6.Nf3).

4.e3 Nh6 5.Nf3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Nh6).

3.Bb2 Nf6

4.e3 Bd6 (--> 3.Bb2 Bd6 4.e3 Nf6).

4.Be5 (--> 1.b4 e5 2.Bb2 d5 3.Be5 Nf6 4.b5).

3.b6 ab6–/+

4.Bb2 d4 –/+.

4.Nc3 d4–+ 5.Nb5 c5?? 6.d3 Be6 7.c4 Nc6 8.Nf3 Nf6 9.e4 Bg4 10.h3 Bd7 11.g4 Be6 12.Rg1 Be7 13.g5 Nd7 14.h4 Nb4 15.h5 Na2?? 16.Bd2?? Nc3?? 17.Nc3?? Ra1 18.Qa1 dc3 19.Bc3 f6 20.h6 g6 21.Ne5?? fe5–+ 22.Be5 Rf8 23.Bh2 Bg5 24.d4 Bh4 25.Bg3 Bg5 26.d5 Bf6 27.Qd1?? Bc3–+ 28.Ke2 Bg4 29.Kd3 Bd1 30.Kc3 Qf6 31.Kd2 Qd4 32.Bd3 Rf3 33.Kd1 Qd3 34.Kc1 Qc4 35.Kb1 Qe4 36.Kc1 Rc3 37.Kb2 Qb4 38.Ka1 Ra3# 0–1. Jolilein – Antaeus, mySchach.de, 2005.

4.e3 Nf6 5.h3 Nc6 6.Bb5 Bd7 7.c3 Ne7 8.Qe2 Ra5 9.Bd7 Qd7 10.Nf3 Ng6 11.a4 (11.d3 e4 12.de4 de4–+) 11...Ra4 12.Ra4 Qa4 13.0–0 (13.d3 Bd6–+) 13...Bd6 (13...Qb3 14.Qd3 Bd6 15.Qf5–+) 14.g3 (14.d3 0–0–+) 14...h6 (14...Qb3 15.Qd3–+) 15.g4 (15.d3 0–0–+) 15...e4 (15...Qe4!? 16.d3 Nf4 17.de4 Ne2 18.Kg2 Nc1 19.Rc1 de4 20.Nh4–+) 16.Nd4 Nh4 17.Nf5 (17.f4–+) 17...Nf5 18.gf5 0–0 (18...Qb3 19.d4 Qb1 20.Bb2–+) 19.Kh1 (19.c4 Qd7 20.Bb2 Qf5 21.Bf6 Qf6 22.cd5 Qg5 23.Qg4 Qd5–+) 19...Qd7 (19...Qb3!? 20.d4 Qb1 21.Ba3–+) 20.Na3 (20.Ba3 c5–+) 20...Qf5 21.f4 ef3 (better is 21...Qh3 22.Kg1–+) 22.Rf3 Qe5 23.Qg2 Nh7 (better is 23...Ra8 24.Nb5–+) 24.Nb1 (24.Nb5 Ng5 25.Rf1 Ne4–+) 24...Ng5 (24...Qe4 25.Na3 Qa4 26.Rf1 Ba3 27.Ba3 Qa3 28.Qd5–+) 25.Rf2 (25.Rf1 Ra8–+) 25...Ne4 26.Rf4 g5 27.Rg4 f6 28.Kg1 h5 29.Rh4 Qg3 30.Qg3 Ng3 31.Ra4 Ne2 32.Kf2 Nc1 33.d4 h4 34.Kf3 b5 35.Ra5 b4 36.Rd5 bc3 37.Nc3 Nd3 38.Kg4 Kg7 39.Kh5 Nf2 40.Nb5 Rh8# 0–1. karlsdad – groovenetwork, ChessWorld.net, 2012.

3.d3 Qf6

4.a4 Bg4 5.f3 Be6 6.Bd2 (6.e4 Bc5–/+) 6...e4 7.c3 ed3 (7...a6 8.ba6 Na6 9.Be3–/+) 8.e3 (Better is 8.ed3!? Nd7 9.Ne2=+) 8...Bf5 9.h4 (Better is 9.Bc1 Bd6 10.g3–+) 9...Bd6 10.f4 Qe6 11.g3 Bc5 12.Bh3 Bh3 13.Nh3 Be3 14.Kf1 Bc5 15.Qe1 Qe4 16.Qe4 de4 17.c4 e3 18.Bc3 Nf6 19.Bf6 gf6 20.Ra2 Rg8 21.Kg2 Nd7 22.Re1 0–0–0 23.Kf3 Nb6 24.Ng1 d2 25.Nd2 ed2 26.Rd1 Rd3 27.Ke2 Rdg3 28.Nf3 Re8 29.Ne5 fe5 30.Rdd2 Nc4 31.Rdc2 ef4 32.Kd1 Rg1# 0–1. RayRay – Caissa, Live Game Caissa's Web, 2004.

4.Bb2 d4 5.c3 dc3 6.Nc3= Bb4 7.Nf3 Bc3 8.Bc3+= Nd7 9.e3 b6 10.a4 Bb7 11.Be2 Ne7 12.0–0 0–0 13.Re1 Nd5 14.Rc1 Qe6 15.Qd2 f6 16.Bb4 Nb4 17.Qb4 c5 18.bc6 Bc6 19.e4 a5=+ 20.Qa3 g5 21.Nd2 b5 22.ab5 Bb5+= 23.Rb1 Qc6?? 24.Rec1+– Qb6 25.Nc4 Qa6+/– 26.Nd6 Rfb8? 27.Nf5 Kf7?? 28.Qe7 Kg6 29.Qg7 1–0. Long_Knights – andre2004, ChessWorld.net, 2005.

4.e4 a6 =+.

4.g4 Bg4 (5.Be3 Bd7–+) 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

3.e3 Bb4

4.a3 Ba5 5.Bb2 d4 (5...Nd7 6.Nf3=) 6.ed4 ed4 7.Bd3 Nf6 8.Nf3 Bg4 (better is 8...0–0!? 9.0–0 c5=) 9.Qe2+/– Be6 (9...Qe7!? 10.Qe7 Ke7 11.Nd4 Nbd7+/–) 10.Nd4+– Qe7 11.Ne6 fe6 12.Nc3 0–0 13.Qf3 (better is 13.0–0+–) 13...Nd5? (13...Nbd7 14.Ne4+/–) 14.Qh3 (better is 14.Qe4 Kf7 15.Qh7+–) 14...h6 15.Nd5 ed5 16.Qe3 Re8 17.Qe7 (better is 17.0–0–0!?+–) 17...Re7+= 18.Kd1 Nd7 19.Re1 Re1 20.Ke1 Nc5 21.Bf5 Re8 22.Kd1 Rf8 23.Bd4 Rf5 24.Bc5 b6 (better is 24...Bb6 25.Bb6 ab6+/–) 25.Be7?? (better is 25.Bd4+–) 25...Rf2–+ 26.Bh4?! (26.Ke1 Rd2 27.Kf1–+) 26...Rd2 27.Kc1 Rg2 28.Bg3 Bc3 (28...Bc3 29.Kb1 Rg1 30.Ka2 Ra1 31.Kb3 Bf6 32.Bc7 Rb1 33.Ka4 Rb2–+) 0–1. smoothoperator (2125) – eweram (1925), net–chess.com, 2015.

4.Bb2 Qd6 5.c4 (5.f4 Nd7 (< 5...ef4 6.Bg7 fe3 7.Bh8+–) 6.a3 Ba5+=) 5...Be6 (5...Nf6 6.a3 Ba5 7.cd5 Nd5 8.Nf3=) 6.cd5 (6.f4 dc4 (6...ef4? 7.Bg7 fe3 8.Bh8+–) 7.Be5 Qf8+=) 6...Bd5 (6...Qd5 7.Qa4 Be7 8.b6 Nc6 9.bc7=) 7.Nc3 (7.f4 Nd7 (7...ef4? 8.Bg7 fe3 9.Bh8+–) 8.a3 Ba5=) 7...Nf6 (7...Bc3 8.Bc3 Nf6 9.f3=) 8.Nd5 Qd5 (8...Nd5 9.a3 Ba5 10.Nf3+=) 9.Rc1 Ne4 (9...Bd6!? 10.Nf3 e4=) 10.Nf3+/– 0–0 (10...Nd7 11.Rc7 Nec5 12.b6=) 11.Bc4 Qd7 (11...Qd8 12.a3 Be7 13.Ne5+–) 12.Be5 (better is 12.Qc2!? Qg4 13.0–0+– (13.Be5 Qg2 14.Qe4 Qh1 15.Bf1 Nd7 16.Bg7 Kg7 17.Qg4 Kh8 18.Qd7 Qf3 19.Qd4 f6 20.Qb4 Rf7=+; < 13.Ne5 Qg2 14.Ke2 Qf2 15.Kd1 Qd2 16.Qd2 Bd2–/+)) 12...Rd8 (12...Re8 13.Rc2 a6 14.ba6+/–) 13.Rc2 (13.0–0 Nd2 14.Nd2 Bd2+–) 13...c6 14.Qe2 (14.Bd4 c5 15.Bb2 Nd6+/–) 14...a6 (14...Qf5 15.g4 Qd7+/– (15...Qg4? 16.Rg1 Nd2 17.Bf7 Kf7 18.Rg4 Nf3 19.Kf1 Ne5 20.Rb4+–)) 15.a4 (better is 15.b6!?+/–) 15...ab5= 16.ab5 Ra4 17.0–0+/– Qf5 18.Bb8+– Rb8 19.Nd4 Qg6 20.bc6 bc6 21.Nc6!! Rc8 22.Nb4 Rb4 23.Bf7! (23...Kf7 24.Rc8+–) 1–0. Palmi,Herbert – Kuehlwein,Ralf, Nord Bayern–ch, 2001.

4.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bb4).

4.c3 Ba5 5.d4 ed4 6.Qd4 Nf6 7.Ba3 Be6 8.e4? Bb6–+ 9.Qe5? Nbd7 10.Qg5 Bf2! 11.Kf2 Ne4 12.Ke2 Qg5 13.h4 Ng3 14.Ke1 Qe3 15.Be2 Nh1 16.Nf3 Ne5 17.Ne5 Qe5 18.Kf1 Ng3 19.Ke1 Qe2 0–1. wonderhorse – speartooth, net–chess.com, 2004.

3.e3 b6

4.Bb2 Nd7 5.c4 Ngf6 6.cd5 Nd5 7.Qf3 N7f6 8.Be5 Be7 9.Bc4 (9.Nc3 Bg4 10.Qg3 Nc3 11.Bc3 Bd6+/–) 9...Bg4+= 10.Qg3 0–0 (10...Nb4 11.Kf1 (11.Bc7? Nc2 12.Kf1 Qd7–+) 11...Nc2 A) 12.Bc7? Qd7 13.Nf3 0–0–+ (13...Na1?! 14.Ne5 Qc7 15.Bf7 Kf8 16.Ng6 hg6 17.Qc7–+); B) 12.Bf6=) 11.Ne2 Be2 12.Be2 g6 (12...Bd6!?+/–) 13.0–0+– Ne4 14.Qf3 f5? (better is 14...Ng5 15.Qg4 Bf6 16.Bf6 Qf6+–) 15.Bc4 h6 (15...Rf7 16.d3 Bf6 17.de4 Be5 18.Bd5 Ba1 19.ef5 c6 20.Bf7 Kf7 21.fg6 Kg6+–) 16.d3 Ng5 17.Qd5 Qd5 (17...Kh7 18.Qd8 Rad8 19.Bc7+–) 18.Bd5 Nf7 19.Ba8 Ra8 20.Bc7 Rc8 21.Bg3 Bd6 22.Bd6 Nd6 23.a4 1–0. Wall,Bill – AndrewW, chess.com, 2011.

4.Nf3 Nd7 5.Bb2 Qe7 6.Nc3 Bb7 7.Be2 0–0–0 8.0–0 f5 9.Rc1 g5 10.Na4 g4 11.Ne1 Ndf6 12.c4 d4 13.Nd3 c5 14.bc6+= Bc6 15.ed4 ed4 16.Qb3?? Rd7 17.Nb6 Kd8?? 18.Nd7+– Bd7 19.Nf4 Ke8 20.Bd4 Be6 21.Rfe1 Qb4 22.Ne6 Qb3 23.ab3 Bb4 24.Bf6 Bd2 25.Bh8 Bc1 26.Rc1 Kf7 27.Nd8 Kg6 28.c5 (28...h5 29.Ra1+–) 1–0. 32qaz – rene822, Live Game Caissa's Web, 2004.

3.e3 Qd6

4.Ba3 Qf6 =.

4.Nc3 c6 5.Nf3 Nd7 6.Ng5 f5 7.Qh5 g6 8.Qh4 Be7 9.Na4?? h6–+ 10.Qg3 Bg5 11.h4 cb5 12.Bb5 f4 13.Qg4 a6 14.hg5 ab5 15.gh6 Ngf6 16.Qg5?? Ra4 17.Qg6 Kd8 18.Qg7 Rh7 19.Qg6 Nf8 20.Qg5 Kc7 21.ef4 ef4 22.f3 d4 23.Qb5 Bd7 24.Qb3 Nd5 25.Rb1 Bc6 26.Rh5 Re7 27.Kf1 Qg6 28.g4?? fg3 29.Ba3 Re8 30.Rd5 Qh6 31.Rc5 Qh1 0–1. kingsteel – stronium999, Live Game Caissa's Web, 2004.

4.c4 dc4 5.Bc4 Qg6 6.Qf3 (6.Nf3!? Bd6 7.Bb2= (7.d3 Nf6 8.Nbd2 0–0 9.0–0 a6+=) 7...e4 8.Nh4 Qh6 9.g3 Nf6+=) 6...Nd7 (6...e4 7.Qg3 Bd6 8.Qg6 hg6 9.d4 ed3–/+) 7.e4 (7.Qg3!?+= Ngf6 8.d3 e4 9.Bb2 ed3–/+; 7.Nc3 Ngf6 8.Qg3 e4 9.d4 Bd6–/+) 7...Nb6 (7...Bc5 8.Bb2 Ngf6 9.d3 Nb6–+) 8.Bb3 (8.Be2 Nf6 9.Nc3 Bc5–/+) 8...Bg4 (better is 8...Nf6!?–/+ 9.Nc3 Bc5–/+) 9.Bf7= Qf7 10.Qg4 Nf6 11.Qe2 0–0–0 12.Nf3 Bd6 (12...Bb4 13.Ba3 Ba5 14.Bc5=) 13.Nc3 h6 (13...Rhe8 14.a4 Nh5 15.g3+=) 14.0–0 (14.Rb1 g5+/–) 14...g5 15.Bb2 Nh5 16.g3 Nc4 17.Rfb1 (17.Rab1 Rhf8 18.Ne1 Nf6+=) 17...Rdf8 (better is 17...Rhf8!? 18.Kg2 g4–/+) 18.Kg2= Bc5? (18...Qf3 19.Qf3 Rf3 20.Kf3 Nd2 21.Ke2 Nb1 22.Rb1=) 19.Nd5 (19.Na4 g4 20.Ne5 Qf2 21.Qf2 Rf2 (21...Bf2?? 22.Nc4 Rhg8 23.Rf1+–) 22.Kg1 Rd2 23.Nc5 Nb2+/–) 19...Nb2 (19...Nd2 20.Ba3 A) 20...Nf3? 21.Bc5 Ng7 22.Ne7 Kb8 23.Nc6 Ka8 24.Qe3+– (24.Bf8?! Rf8 25.Rb3 g4+=); B) worse is 20...Nb1 21.Bc5 Qf3 22.Qf3 Rf3 23.Kf3 Nd2 24.Ke3 Nc4 25.Kd3+/–; C) 20...Qf3 21.Qf3 Rf3 (worse is 21...Nf3 22.Bc5 Rf7 23.Rd1+/–) 22.Bc5 Nf6=) 20.Rb2+/– g4 21.Ne5 Qf2 22.Qf2 Rf2 23.Kh1 Bd4? (better is 23...Nf6 24.Nd3 Ne4 25.Nf2 Nf2 26.Kg2 Rd8+/–) 24.Rc1?? (better is 24.Ne7 Kd8 25.N7c6 bc6 26.Nc6 Kd7 27.Nd4+–) 24...Be5–+ 25.Rbc2 Rh7 26.Ne3 Bg3! 27.Ng4 Rf4 28.Ne3 Bh2 29.Kh2 Rg7?? 30.Rc5?? Rh4# 0–1. Niewerth,Frank – Scherber,Peter, Recklinghausen op, 1994.

3.e3 Nd7

4.c4 Ngf6 5.Bb2 (--> 3.Bb2 Nd7 4.e3 Ngf6 5.c4).

4.Nf3 Ngf6 5.Bb2 (--> 3.Bb2 Nd7 4.e3 Ngf6 5.Nf3).

3.e3 e4

4.Bb2 (--> 1.b4 e5 2.Bb2 e4 3.e3 d5 4.b5).

4.Bb2 Nf6 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5).

4.Nc3 Nf6 5.d3 Bb4 6.Bd2 Qe7 7.Nge2 0–0 8.Nf4 Rd8 9.Be2 d4 10.ed4 Rd4 11.0–0 g5 12.Nh5 Nh5 13.Bh5 ed3 14.Qf3 g4 15.Bg4 Bc3 16.Bc8 Ba1 17.Qg3 Kh8 18.c3 Nd7 19.cd4 Rc8 20.Ra1 Qe2 21.Qf4 Qh5 22.a4 c6 23.Rc1 Qd5 24.f3 Qe6 25.bc6 bc6 26.Rc3 Rb8 27.Qe3 Qe3 28.Be3 Rb1 29.Rc1 Rc1 30.Bc1 Nb6 31.Kf2 Nc4 32.Bg5 Kg7 33.h4 f6 34.Bf4 Kf7 35.g3 Ke6 36.Bb8 a5 37.Ba7 f5 38.Ke1 Kd5 39.Kf2 Nb2 40.Ke3 Kc4 41.Bb6 Kb3 42.Ba5 Nc4 43.Kd3 Na5 44.f4 Ka4 45.h5 Kb5 46.Kc3 Nc4 47.Kd3 Nb6 48.h6 Nd5 49.Ke2 Kc4 50.Kf3 Kd4 51.Kf2 c5 52.Ke2 c4 53.Kd2 c3 54.Ke2 c2 55.Kd2 Ne3 56.g4 fg4 57.f5 g3 58.f6 g2 59.Ke2 c1Q 60.Kf3 g1Q 61.f7 Qcf1# 0–1. Betsy516 – Mad005, Computer chess game, 2001.

3.e3 Bf5

4.Bb2 Bd6 5.Nf3 Nd7 6.Be2 e4 7.Bg7= Be5?? 8.Ne5+– (8...Ne5 9.Bh8+–; 8.Be5?! Ne5 9.Ne5 Qf6 10.Nf7 Qf7+/–) 1–0. trex1 – kingofthecrop4, Live Game Caissa's Web, 2005.

4.Bb2 Nd7 5.d4 ed4 6.Bd4= Ngf6 7.Nd2 Bd6 8.Bd3 Bd3 9.cd3 0–0 10.Ne2 a6 11.ba6 Ra6 12.Qb3 c5 13.Bf6 Qf6 14.Rb1 Nb6 15.0–0 Rfa8 16.Nf3 Bc7 17.Ra1 Ra3 18.Qc2 Nd7 19.d4 c4 20.Nc3= Qc6 21.Rfb1 Ba5 22.Nb5 Rd3 23.Rb2 f5 24.Rab1 g6 25.Qe2 Re8 26.Rc2 f4 27.Qd3 cd3 28.Rc6 bc6 29.Na7 c5 30.Nc6 Bc3 31.ef4 c4 32.Kf1 Nf6 33.a4 Ra8 34.a5= Kg7 35.Nfe5 Ne4 36.Rb7 Kh6?? 37.f3+– Nd6 38.Ng4 Kh5 1–0. Kazimierski,Tomasz – Bass,Stanley, IECC, 1999.

4.Bb2 Nd7 5.Nf3 Bd6 6.Nc3 =+.

3.e3 f6

4.Bb2 c6 5.a4 Be6 6.Nf3 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 c6 6.a4).

4.c3 Bd6 5.d4 =.

4.c3 Bf5 5.Qa4 (5.d4 Nd7=) 5...Nd7=+ 6.b6? (better is 6.d4=+) 6...ab6–+ (< 6...cb6 7.c4 Qc8 8.Nc3 dc4 9.Bc4–/+) 7.Qb5 c6 8.Qe2 Bd6 9.g3 Ne7 10.h4 0–0 11.h5 h6 12.g4 Bh7 13.f4? ef4 14.Qh2 Qc7 15.Qh4 fe3 16.de3 Bg3 17.Qg3 Qg3 18.Kd1 Ne5 19.Nd2 Qe3 20.Ne2 Nd3 21.Nf4 Nf2# 0–1. steeltheone – johnava4, Caissa.com, 2004.

4.d4 Nh6 =.

3.e4 de4

4.Bb2 Bd6 5.c4N Nd7 6.Nc3 (6.Qg4!?–/+ Ngf6 (6...Ne7 7.Qg7 Ng6 8.Qh6 Nc5 9.Ba3 Bf5 10.Nc3–/+) 7.Qg7 Rg8 8.Qh6 Nc5 9.Nc3 Nd3 10.Bd3–/+) 6...Nc5–+ (6...Ngf6 7.d3 ed3 8.Qd3 Nc5 9.Qe3 Ng4 10.Qe2–/+) 7.Qe2?? (better is 7.d3 ed3 8.Bd3–+ Nf6 9.Bc2 Bg4 10.f3–+; 7.d4 ed3 8.Bd3 Nf6 9.Bc2 0–0 10.Nf3–+) 7...Nd3 8.Kd1 Nb2 9.Kc2 Nd3 10.Qe4 (10.Ne4 Nf4 11.Qf3–+) 10...Nf2 11.Qf3 Nh1 12.g3 Ng3! 13.Qg3 (13.Qg3 Nf6 Combination; 13.hg3 Nf6 Combination) 13...Ne7 14.Qg7 (14.Nge2 Nf5 15.Qf2 a6–+) 14...Rg8 15.Qh7 (15.Qh6 Rg1 16.Ne4 Ng6 17.Qh7 Bf8–+) 15...Bf5 16.Bd3 Bh7 17.Bh7 Rg7 18.Be4 c6 19.bc6 bc6 20.Nge2 f5 21.Bf3 e4 22.Bh5 Kd7 23.Ng3 Rb8 24.a3 Bg3 25.hg3 Rg3 26.Rd1 Qb6 27.Rb1 Rc3! 28.dc3 (28.Kc3 Nd5 Mate attack; 28.dc3 Qb1 Mate attack) 28...Qb1 29.Kd2 Qd3 30.Kc1 (30.Ke1 e3 31.Be8 Ke8 32.c5 Rb1) 30...Rb1 0–1. RisingFast – marekt, ChessWorld.net, 2016.

4.b6 ab6–+ 5.a4 Bd7 6.Bc4 Ra4 (better is 6...b5!? 7.Bb3–+) 7.Ra4 Ba4 8.d3 ed3 9.Bb3 (9.Qh5 Qe7 10.Bd3–+) 9...Bb3 10.cb3 Bb4 11.Bd2 Bd2 12.Nd2 Nf6 13.Ngf3 0–0 14.Ng5 Nc6 15.0–0 h6 16.Ngf3 e4 17.Nh4 Nd4 18.Nc4 Ne2 19.Kh1 Ng4 20.f3 (20.g3 Qg5–+) 20...Qh4 21.fg4 Ng3 22.Kg1 Nf1 23.Qf1 Qg4 24.Ne5 (24.h3 Qg3 25.Qf2 Qf2 26.Kf2 f5–+) 24...Qg5 25.Nd7 (25.Nc4 b5 26.Nb2 Ra8 27.Nd3 ed3–+) 25...Rd8 0–1. dc – Hflew, HCL–T067 playchess.de, 2003.

4.c4 Nf6 5.Nc3 Nbd7 6.d4 (6.d3 Bb4 (6...ed3 7.Qd3 Bd6 8.Be3 Ng4 9.Rd1 a6 10.Nf3–/+) 7.Qb3 Qe7 8.Rb1 Ba5 9.Bd2 Nc5 10.Qc2–+) 6...ed4 7.Qd4 Bc5 8.Qd1 (8.Qd2 0–0 9.Qg5 Ne5 10.Be3–+) 8...Qe7 (8...0–0 9.Bg5 h6 10.Be3–+) 9.Qe2 (better is 9.Be3–+ Be3 10.fe3–+) 9...Ne5 10.g3?? (10.Be3 Nd3 11.Kd2–+; 10.Qb2–+) 10...Nd3 11.Kd2 Nf2 12.Bg2 Nh1 13.Bh1 Bf5 (13...Bg1 14.Ne4 Ne4 15.Qe4 Qe4 16.Be4 Bh2 17.Bb2 Bg3 18.Rg1 Bf4 19.Ke2–+) 14.Bb2 (14.Qf1 0–0–0 15.Ke1 Qe6–+) 14...0–0–0 15.Kc1 (15.Ke1 Bg1 16.Kf1 Bc5–+) 15...Bg1 16.Kc2 e3 17.Kb3 Rd2 18.Qe1 Bc2 0–1. delightful_porridge – marekt, ChessWorld.net, 2016.

4.c4 Nf6 5.g3 Bc5 6.Nc3 0–0 7.Bg2 Qd4 8.Qe2 Be6 9.Bb2 Bc4 10.Qe3 Nbd7 11.Nge2 Qd6 12.Ne4 Ne4 13.Qe4 Bb5 14.0–0 Bd3 15.Qf3 e4 16.Qg4 Ne5 17.Be5 Qe5 18.Nc3 Bf1 19.Rf1 f5 20.Qf4 Qf4 21.gf4 c6 22.a4 Rad8 23.Rd1 Rf6 24.Be4 fe4 25.Ne4 Rf5 26.Ng5 Rf4 27.Ne6 Rg4 28.Kf1 Rd5 29.f3 Rg1 30.Ke2 Re5 0–1. delightful_porridge – tripp_stir, ChessWorld.net, 2013.

3.Ba3 Ba3

4.Na3 b6 5.c4 d4 6.Nc2 Bb7 7.Nf3 f6 8.e3 de3 9.de3 Qd1 10.Rd1 Ne7 11.Nb4 0–0 12.Be2 a5 13.Nd5+= Nd5 14.cd5 Nd7 15.d6 cd6 16.Rd6 Rfd8 17.0–0 Rac8? 18.Rfd1+/– Rc2 19.Bd3+– Ra2?? 20.Bc4 Kh8 21.Ba2 Bc8 22.Be6 1–0. Fritz 11 – uzvz, internet, 2009.

4.Na3 c6 5.c4 dc4 6.Nc4 Qd5 7.Ne3 (7.e4!? Qe4 8.Qe2 Qe2 9.Be2=) 7...Qb5–/+ 8.Rb1 Qa5 9.Nc4 Qd5 10.Nf3?? (Better is 10.Qc2 Nf6 11.Ne3–/+) 10...Qc4–+ 11.Ne5 Qe6 12.d4 Nf6 13.e3 Nbd7 14.Bc4 Nd5 15.Nd7 Bd7 (Better is 15...Qd7!? 16.Qh5–+) 16.Rb7 Qg6 17.0–0 Bg4 18.Qb3 Bh3?? 19.Rb8?? Rb8 20.Qb8 Ke7?? 21.Qe5 Kd8 22.Bd5= cd5 23.Qd5 Ke7 24.Rc1 Rd8 25.Qe5 Be6 26.g3 Kf8 27.d5 Rd5 28.Qb8 Ke7 29.Qa7 Ke8?? 30.Qa3? Qe4–+ 31.Qa8 Ke7 32.a4?? Bh3 33.Rc7 Kf6 34.Qd8 Rd8 (35.Rc6 Qc6 36.f3 Qc1 37.Kf2 Qf1) 0–1. pinecrest1981 – ross60, Live Game Caissa's Web, 2004.

4.Na3 Qe7 5.Nb1 –/+.

4.Na3 Nf6 (--> 1.b4 e5 2.Ba3 Nf6 3.b5 Ba3 4.Na3 d5).

4.Na3 Bg4 5.c4=+ Qd6 6.Qb3 Nf6 7.cd5= Qd5 8.h3 Qb3=+ 9.ab3 Be6 10.Nf3 Nbd7 11.d4 e4 12.Nd2 0–0 13.e3 Rfe8 14.Bc4 Bf5 15.0–0 Nb6= 16.Rfc1 Red8 17.Nab1 Nbd5 18.Nc3 Nc3 19.Rc3 Rd6 20.b4 Rb6 21.Bb3 Ne8 22.Rc5 Bg6 23.Nc4 Rf6 24.Ne5 Rb6 25.Ra5 a6 26.Ba4 Rf6 27.Rc2 Bh5? 28.g4+– Bg6 29.ba6 Rfa6 30.Ra6 ba6 31.Be8 Re8 32.Rc7 f6 33.Ng6 hg6 34.Rc6 Rb8 35.Ra6 Rb4 36.Re6 f5? 37.Rg6 f4 38.Re6 Rb1 39.Kg2 f3 40.Kh2 g5 41.Rg6 Kf7 42.Rg5 Kf6 43.Re5 Rf1 44.Re4 Rf2 45.Kg3 (45...Rg2 46.Kf3+–) 1–0. Comet B25 – EXchess 3.11, 2003.

4.Na3 Qd6

5.Qc1 Be6 6.e3 Nf6 7.Nf3 0–0 8.c4 e4 9.c5 Qd7 10.Nd4 c6 11.Nac2 a6 12.a4 Rc8 13.b6 Qe7 14.Ne6 fe6 (14...Qe6?! 15.Be2=) 15.Nd4 Nbd7 16.Nb3 Rf8 17.Be2 Ne5 18.Qc3? (18.0–0 Nfd7+=) 18...Nd3?? (better is 18...Nfg4–+) 19.Bd3= ed3 20.f3 e5 21.0–0 e4 22.fe4 de4 23.Rf4 Nd5 24.Qc4 Rf4 25.ef4 Rf8 26.g3 Kh8 27.Re1 Re8 28.Nd4 g6 29.f5 Qg5 30.Qd3 (better is 30.Ne6 Qf5 31.Qe4 Qe4 32.Re4=) 30...ed3?? (better is 30...gf5 31.Qc2 Qf6+=) 31.Re8+– Kg7 32.Ne6 Kf7 33.Rf8 Ke7 34.Ng5 Kf8 35.Nh7 Kg7 36.fg6 Nc3?? 37.Ng5+– Kg6 38.Ne6 Na4?? 39.Nf4 Kf5 40.Nd3 Ke4 41.Nf2 Kd5 42.Nd3 Nc5?? 43.Nb2?? a5+= 44.d3? a4–/+ 45.h4?? a3–+ 46.Nd1 Kd4 0–1. Juras,Vlado – Krnjak,Nenad, Varazdin CRO, 2nd League Nord, 2012.

5.Qc1 Ne7 6.c4 b6 (6...d4!?=+) 7.cd5= Nd5 8.e4 (8.Nc4 Qf6=) 8...Nf6 9.Nc4 Qc5 10.Bd3 Bb7 (10...Qb5?? 11.Nd6 cd6 12.Bb5 (12.Qc8?! Ke7 13.Qh8 Qd3+–) 12...Ke7 13.Qc7 Nbd7 14.d4 ed4 15.Nf3+–) 11.Nf3 Be4 (Better is 11...Ne4!? 12.Be4 Be4 13.Nce5 Qb5 14.Qc7 0–0=+) 12.Be4 Ne4 13.0–0 Nd7 14.d3 Nef6 15.Qg5 (15...e4 16.Rfe1=+; Better is 15.Nce5!? Qb5 16.Nd7 Qd7 17.Re1 Kf8 18.Ne5=) =+. pinecrest1981 – monaco5, Live Game Caissa's Web, 2004.

5.Qc1 Nf6

6.Qb2 0–0 7.f3 Be6 8.0–0–0 a6 9.d4 ed4 10.Rd4 ab5 11.Nb5 Qe5 12.g4 c6 13.Na3 Qe3 14.Kb1 Ra3 15.Rd3 Rd3 16.cd3 d4 17.Qb7 Qd2 18.Qb2 Qd1 19.Qc1 Ba2! 20.Kb2 Qb3 21.Ka1 Ng4! 22.fg4 Qa4 23.Kb2–+ Bd5 24.Qa1 Qb4 25.Kc2 Bb3 26.Kc1 Qe1 27.Kb2 Qc3 28.Ka3 Qa1 29.Kb3 Qf1 30.Kc4 Rd8 31.h4 Qb1 32.e3 Qb5# 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

6.c4 0–0 7.cd5 Rd8 8.Nc4 Qd5 9.Qc3 e4 10.Rb1 a6 11.b6 c5 12.Nh3 Bh3 13.gh3 Nc6 14.Rg1 Nd4 15.Rc1 Rac8 16.Qg3 Nh5 17.Qh4 Ne6 18.Rg4 Kf8 19.Bg2 Nf6 20.Re4 Ne4 21.Qe4 Nf4 22.Qd5 Nd5 23.Na5 Nb6 24.Nb7 Rd7 25.Nc5 Rdc7 26.d4 Na4 27.Nd7 Ke7 28.Rc7 Rc7 29.Nb8 Rc2 30.Na6 Nc3 31.Bf3 Ra2 32.Nb4 Ra4 33.Nc2 Ke6 34.Kd2 Rc4 35.Kd3 Rc7 36.Ne3 Kf6 37.d5 Nb5 38.Nc4 Ke7 39.e4 f6 40.Bd1 Nd6 41.Nd6 Kd6 42.Bg4 Ra7 43.Bf5 Ra3 44.Kd4 Rf3 45.Bh7 Rf2 46.Bf5 Rh2 47.Kc4 Rd2 48.Kc3 Rd1 49.Bg4 Ra1 50.Bf5 Ke5 51.Kd3 Rg1 52.Be6 Rg3 53.Ke2 Ke4 54.d6 Re3 55.Kf2 Rd3 56.d7 Ke5 57.Ke2 Rd6 58.Bc4 Rd7 59.Ke3 Rc7 60.Bf1 Rc3 0–1. Comet B25 – Crafty 19.01, 2003.

6.c4 Be6 7.c5 Qd7 8.Nf3 c6 9.Ne5 Qc7 10.e3?? Qe5–+ 11.Qc3? Qc3 12.dc3 Nbd7 13.c4 Nc5 14.Rc1 Ncd7 15.cd5 Bd5 16.Bc4 Bg2 17.Rg1 Be4 18.Rg7 Bg6 19.bc6 bc6 20.f3 Kf8 21.Rg6 hg6 22.Kd2 Rh2 23.Kd3 Rd8 24.Nc2 Nb6 25.Kc3 Nfd5 26.Kd4 Nc4 27.Kc4 Rc2! 28.Kb3 (28.Rc2 Ne3) 0–1. Homer (1745) – fastgameeddie (2205), ChessWorld.net, 2002.

6.Nf3 0–0 7.e3 c6 8.Be2 Bg4 9.h3 Bf3 10.Bf3 e4 11.Be2 Nbd7 12.c4 a6 13.cd5 cd5 14.Nc2 Rfc8 15.Qb2 Ne5 16.0–0 ab5 17.Bb5 Ra5 18.Nd4 g6 19.Rfc1= Rca8 20.a4 h6 21.Nb3 Nfd7?? 22.d4 ed3 23.Bd7 Nd7 24.Qd4?? R5a7= 25.Qd3 Ne5 26.Qe2 Nc4 27.a5 b5 28.ab6 Ra1 29.Na1 Qb6 30.Rf1 Re8 31.Qd3 Qe6 32.Nc2 Ne5 33.Qd4 Rc8 34.Rc1 Rc4 35.Qa7 Kh7 36.Qa4?? Ra4–+ (37.Rd1 Qf6–+) 0–1. pinecrest1981 – ReynaldoMiranda, Live Game Caissa's Web, 2004.

6.f3 Nbd7–+

7.d3 Qc5 8.c4 Qb4 (8...a6 9.cd5 Qb4 10.Kf2 ab5 11.Nc2 Qc5 12.e3 Nd5 13.d4 ed4 14.ed4–+) 9.Kd1 (Better is 9.Kf2!?–/+) 9...dc4 10.dc4 e4 (10...0–0 11.e3–+) 11.Rb1 Qc5 12.h3 a6 13.Rb3 ab5 14.cb5 Qf2 15.e3 Qf1 (16.Kc2 Qg2 17.Ne2 Qe2 18.Kb1 ef3–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

7.e3 0–0 8.c4 Nc5 9.Qc2 d4–+ 10.g4 de3 11.de3 e4 12.Bg2?? (Better is 12.g5 Qe5 13.0–0–0 Qg5 14.f4–+) 12...Nd3 13.Kf1 Qa3 (14.g5 Nd7 15.fe4 N7e5–+; 13...Ng4 14.fg4 Qf6 15.Bf3 Qa1 16.Nb1–+) 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

7.e3 0–0 8.c4 Nc5 9.cd5 Nd5 10.Nc4 Qe7 –/+.

7.e3 0–0 8.c4 d4 9.Qb2 –+.

7.e3 0–0 8.g4 Nc5 9.Rb1 Bd7 10.Qb2 e4 (10...h6 11.Ne2–/+) 11.fe4 (Better is 11.g5!? Ne8 12.Bg2–/+) 11...Nce4 (11...de4?! 12.g5 Nd5 13.Nc4–/+) 12.Be2 (12.Qb4 Qb6–+ (< 12...Ng4 13.Qd6 Nd6 14.Bg2–/+)) 12...Ng4 (12...Ng3 13.Qb4 Qb4 14.Rb4 Nh1 15.Bf3–+) 13.Bg4? (Better is 13.Nf3–+) 13...Bg4 14.Qb4 Qf6 15.Nf3 Qf3 16.Rf1 Qe2# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

7.g4 Nc5 8.h4 (8.g5 Nfd7–+) 8...e4 9.g5 (Better is 9.c3–+) 9...Nh5 10.Bh3 (10.g6 Qg3 11.Kd1–+) 10...Qg3 11.Kd1 Bh3 12.Nh3 ef3 13.d4 fe2 14.Ke2 Qg4 15.Kd2 Qd4 16.Ke2 Ng3 17.Kf3 Nh1 18.Qe3 Qe3 19.Ke3 Ng3 20.Re1 0–0–0 21.Kf3 Nge4 22.Nf4 h6 23.Rd1 hg5 24.Rd5 gf4 25.Rd8 Kd8 26.Kf4 Rh4 27.Ke3 Rh3 28.Kd4 Ra3 29.c4 f6 30.b6 Rd3# 0–1. excalibur – Caissa, Live Game Caissa's Web, 2004.

4.Na3 Qe7

5.Qc1 Nf6 6.c4 d4 7.Nf3 Bg4 8.c5 Ne4 9.c6 bc6 10.bc6 Nc5 11.Nb5 Nca6 12.Rb1 0–0 13.h3 Bf5 14.d3 Be6 15.g3 Ba2 16.Rb2 Bd5 17.Bg2 Nc6 18.Rg1 Nab4 19.Nh4 Bg2 20.Rg2 Rab8 21.Qc4 a6 22.Nf5 Qg5 23.Nfd4 ab5 24.Qc5 Nd3 25.ed3 Nd4 0–1. Comet B50 – Fritz 6, 2003.

5.Qc1 Nf6 6.Nf3 a6 7.d4 ab5 8.de5 Ng4 9.h3 Nf2 10.Kf2 Ra3 11.e3 b4 12.Qd2 Be6 13.Nd4 0–0 14.Nb5 Ra4 15.Nd4 c5 16.Nf3 Nc6 17.Bb5 Ra3 18.Bc6 bc6 19.c4 dc4 20.Qd6 Qd6 21.ed6 Rd8 22.Rhd1 Rd3 23.Ne5 R3d6 24.Ke2 Rd1 25.Rd1 Rd1 0–1. Comet B25 – Doctor 3.0, 2003.

5.Qc1 Nf6 6.Nf3 Bg4 7.Rb1 0–0 8.h3 Bf3 9.ef3 Nbd7 10.Be2 Nh5 11.Qb2 Nf4 12.g3 e4 13.Qb4 Rfe8 14.Qe7 Re7 15.Kd1 Ne2 16.Ke2 ef3 17.Kf3 Rae8 18.Rb3 f5 19.Re3 Ne5 20.Kg2 d4 21.Ree1 g5 22.f4 gf4 23.gf4 Ng6 24.Re7 Re7 25.Kg3 Re4 26.Rf1 h5 27.h4 a6 28.Rf3 Kf7 29.ba6 ba6 30.Nc4 Ke6 31.Ra3 c6 32.Ra6 Kd5 33.Nb6 Kd6 34.Nc8 Kc7 35.Na7 Kb7 36.Rc6 Ne7 37.Rh6 Ka7 38.Rh5 Kb6 39.Kf3 Re1 40.Rh7 Nd5 41.Rd7 Kc6 42.Rf7 Rf1 43.Kg3 Rc1 44.h5 Rg1 45.Kf3 Rf1 46.Kg2 Rd1 47.Rf5 Rd2 48.Kf3 Nc3 49.h6 Rh2 50.Rf6 Kd5 51.Kg3 Ne4 52.Kh2 Nf6 53.Kg3 Ke4 54.a4 Nh5 55.Kh4 Nf4 56.h7 Kf5 57.a5 Ng6 58.Kg3 1–0. Comet B25 – Fritz 5.32, 2003.

5.Qc1 Nf6 6.Nf3 Bg4 7.Qb2 Nbd7 8.Rb1 0–0–0 9.Qb4 Qb4 10.Rb4 Rhe8 11.e3 h6 12.Be2 Kb8 13.0–0 Ne4 14.Rd1 f5 15.Nb1 g6 16.d4 f4 17.h3 Bf5 18.ef4 ef4 19.Re1 g5 20.c4 dc4 21.Rc4 Nb6 22.Rcc1 g4 23.Nh4 g3 24.f3 Nd6 25.Nc3 Bh7 26.a4 Bg8 27.Ng6 Nf5 28.a5 Nd7 29.Nf4 Nd4 30.Ne4 Re5 31.a6 Rf5 32.Nd3 Rb5 33.ab7 Bh7 34.Nf4 Ne2 35.Ne2 Be4 36.fe4 Nc5 37.Ng3 Kb7 38.Nf5 h5 39.Rb1 Rb1 40.Rb1 Kc6 41.Rc1 Re8 42.Nd4 Kb6 43.Rb1 Ka6 44.Ra1 Kb7 45.Rb1 Ka8 46.Rb5 Ne4 47.Rh5 a6 48.Nc6 Kb7 49.Na5 Kb6 50.Nc4 Kc6 51.Kh2 Nc5 52.Kg3 Rg8 53.Kf3 Kb5 54.Na3 Kb6 55.Rf5 Rb8 56.Rf6 c6 57.Nc4 Kb5 58.Nd6 Kb6 59.g3 Nb3 60.h4 Nd4 61.Ke3 Kc5 62.Ne4 Kc4 63.g4 Rb3 64.Kf4 Rf3 65.Ke5 Rf6 66.Kf6 a5 67.g5 Kd5 68.Nc3 Kd6 69.h5 Kd7 70.h6 a4 71.h7 1–0. Comet B25 – Comet B50, 2003.

3.a4 a6

4.ba6 Na6 5.Nf3 e4 6.Nd4 c5 7.Nb3 c4 8.Nd4 Nc5 9.c3 (9.Nc3!?=+) 9...Bd7–/+ 10.a5 Ra5 11.Ra5 Qa5 12.Ba3 Bd6 13.Bb4 Qb6 14.Bc5 Bc5 15.e3 Nf6 16.Be2 0–0 17.0–0 Ra8 18.f3 Bd6 19.fe4 Ne4 20.d3 Ba4 21.Qe1 cd3 (21...Bh2!? 22.Kh2 Qh6 23.Kg1 Qe3 24.Kh2 cd3 25.Bf3 Qh6 26.Kg1–+) 22.Bd3 g6 23.Be4 de4 24.Qf2 Qc7–+ 25.h4 f5 26.Ne6 Qc4 27.Nf4 Bb5 28.g4?? Qf1 29.Qf1 Bf1 30.Kf1 Ra1 31.gf5 Rb1 32.Ke2 Rb2 33.Kf1 Bf4 34.ef4 gf5 35.Ke1 Kf7 36.c4 h5 37.Kd1 Rf2 38.c5 Ke6 (39.Kc1 Rf4–+) 0–1. maneater – Caissa, Live Game Caissa's Web, 2004.

4.Bb2 ab5 5.ab5 Ra1 6.Ba1 Nd7 7.d4 e4 8.e3 Ngf6 9.h3 Bd6 10.g4 c6 11.Bb2 h5 12.Bg2 Qa5 13.Nc3 Bb4 14.Qa1 Qa1 (14...cb5?! 15.g5 Nh7 16.f4–/+) 15.Ba1 hg4 16.hg4 Rh1 17.Bh1 Ng4 18.bc6 bc6 19.Bg2 c5 (Better is 19...Nb6!?–+) 20.Bh3 cd4 21.ed4 Nb6 22.Nge2 g5 23.Bg2 e3 24.f3 Nf2 25.Kf1 Ba6 26.Kg1 Bd6 27.Bb2 f5 28.Bc1 f4 29.Kf1 Bc4 30.Ke1 Bb4 31.Bf1 Na4 32.Nf4 Bc3 33.Bd2 Bd2 0–1. holmwood – Caissa, Live Game Caissa's Web, 2004.

4.Nc3 d4 5.ba6 dc3 6.ab7 Bb7 7.Ra3?? Ba3 8.Ba3 cd2 9.Qd2 Qd2 10.Kd2 Ra4 11.Bc5 Ra1 12.Nf3 Bf3 13.ef3 Na6 14.Bb5 Kd8 15.Ra1 Nc5 16.Ra8 Ke7 17.Re8 Kf6 18.g4 g5 19.Kc3 Ne6 20.Bc4 Kg7 21.Kb4? Nf6 22.Re7 c5 23.Kb5 Rb8 24.Kc6 Rc8 25.Kd6 Nd8 26.Bb5 c4 27.Re5 h6 28.f4 Ng4 29.Re7 Nh2 30.Kd7 Ra8 31.Bc4 Ng4 32.Bd5 Ra5 33.c4 gf4 34.f3? Nf6–+ 35.Kd8 Nd5 36.cd5 Rd5 (37.Ke8 Kg6–+) 0–1. bjhaskins – dgall (1665), net–chess.com, 2004.

4.e3 ab5

5.Bb5 c6 6.Bd3 b5 7.Ba3 Ba3 8.Ra3 –/+.

5.Bb5 c6 6.Bd3 b6 7.c4 e4 8.Be2 Qg5 9.cd5?? Qg2–+ 10.dc6 Qh1 11.c7 Qg1 12.Bf1 Nd7 13.Qb3 Nc5 14.Qb5 Bd7 15.Qb6 Nd3 16.Ke2 Qg4 17.f3 Qf3# 0–1. steelknight – Caissa, Caissa's Web, 2004.

5.Bb5 c6 6.Be2 b6 7.c4 d4 8.e4 d3 9.Bf1 Qd4 10.Nc3 Qc4 11.Nf3 Nd7 12.g3 (12.Ba3 Ngf6 13.Bf8 Kf8–+ (13...Nf8?! 14.Ne5 Qe6 15.f4=; 13...Rf8?! 14.Rc1–+)) 12...Ngf6 13.Bg2 Bb4 14.0–0 Bc3 (14...Ne4?! 15.Ne4 Qe4 16.Ne5=+) 15.dc3 Ne4 (15...Qe4 16.Ne5 Qe5 17.Re1+/–) 16.Bb2 Ra5 17.Re1 Nc3 18.Bc3–/+ Qc3 19.Rc1 Qa3 20.Rc6 0–0 21.Bh3 Rd5 22.Bd7?? Bd7–+ 23.Rb6 Qa4 24.Ne5?? d2 25.Re2 Qd1 (26.Kg2 Qf1 27.Kf3 d1Q 28.Kf4 Qd4 29.Re4 Qdf2 30.Kg5 Qf5 31.Kh4 Q1h3#) 0–1. marsman – Caissa, Live Game Caissa's Web, 2004.

3.a4 Bc5

4.Bb2=+ d4 5.h3 Nf6–/+ 6.g4 Qd5 7.Rh2 h6 8.Bg2 e4–/+ 9.d3 Bb4 10.c3? dc3–+ 11.Bc3 Bc3 12.Nc3 Qe5 13.d4 Qh2 14.Be4 Qg1 15.Kd2 Ne4 16.Ne4 Qd1 17.Kd1 0–0 18.Rc1 c6 19.Rc4 Be6 20.Rb4 cb5 21.ab5 a5 22.Ra4 Bb3 23.Ke1 Ba4 24.Nc5 Bb5 25.Nb7 a4 26.Nd6 Bc6 27.Nc4 a3 28.Na3 Ra3 (29.f3 Rd8–+) 0–1. riverborne – EELDROP, Live Game Caissa's Web, 2005.

4.Bb2=+ Nf6 5.Be5 Bf2 6.Kf2 Ng4 7.Kg3 Ne5 8.Nf3 =+.

4.c3 Nd7 5.d4 Be7 6.Ba3 =+.

4.c3 Nf6 5.d4 ed4 6.cd4 Bb4 7.Bd2 Bd2 8.Qd2 Bf5 9.Nc3 0–0 10.h3 Qd6 11.g4 Bg6 12.Bg2=+ c6 13.Bf3 Be4 14.g5 Bf3 15.Nf3 Ne4 16.Ne4 de4 17.Ne5 Qd5 18.Rg1 c5 19.Rd1= Rd8?? 20.e3?? cd4 21.Qd4+/– Qd4 22.Rd4 Rd4 23.ed4 a6 24.Rg4 ab5 25.Re4 ba4–/+ 26.Nc4 a3?? 27.Re8# 1–0. riverborne – EELDROP, Live Game Caissa's Web, 2005.

4.e3 d4 5.d3 Qf6 6.e4 Nh6 7.h3 0–0 8.Ba3 Nd7 9.Be2 b6 10.Nf3 a6 11.0–0 ab5 12.a5? b4 13.Bc1 ba5 14.Nh2 Qg6 15.Ng4 Ng4 16.Bg4 Nf6 17.Bc8 Rfc8 18.Nd2 Nh5 19.Nc4–/+ Bd6 20.Bd2 Nf4 21.Bf4–/+ ef4 22.f3? Be7 23.Ne5? Qe6 24.Ng4 f5 25.Nf2 fe4 26.Ne4 Bh4 27.Qc1 c5 28.Qf4–/+ b3?? 29.Rac1?? b2 30.Rb1–/+ Be7 31.Kh1? a4 32.Rb2–/+ a3 33.Rbb1 Qa2 34.Ra1 Qc2–+ (35.Qf5 Re8–+) 0–1. QxQ02 – vello01, Live Game Caissa's Web, 2005.

4.e3 Nf6 5.Nf3 Bg4 6.Be2 –/+.

4.Nf3 Qf6 5.Bb2 Nh6 =+.

3.a4 Nf6–/+

4.Ba3 Ba3 5.Ra3 c5–/+.

4.Bb2 Bc5 5.Be5 (better is 5.d4!? ed4 6.Bd4 Bd4 7.Qd4=+) 5...Bf2–+ 6.Kf2 Ne4?? (better is 6...Ng4 7.Ke1 Ne5–+) 7.Ke1+– Qh4 (7...0–0+–) 8.g3 Qh5 (8...Qh6 9.Nc3 (9.Bc7 Qf6 10.Bf4 Qa1–/+) 9...Nd7 10.Bc7 Nc3 11.dc3+–) 9.Bc7 d4 10.e3 Qf5? 11.Qf3 Qe6 12.Bb8 Rb8 13.Qf4 de3 14.Qb8 ed2 15.Nd2 Nd2 16.Kd2 0–0 17.Bd3 Qd5 18.Ne2 Bf5 19.Qf4 Rd8 20.Qe3 Bd3 21.cd3 Qc4 22.Rhc1 Qb4 23.Nc3 Qb2 24.Ke1 Kf8 25.Ra2 Qb4 26.Kd2 Re8 27.Qf4 Qa5 28.Rf1 f6 29.Qd6 (29...Kg8 30.Qd5 Kf8 31.Qb7+–) 1–0. riverborne – jfq, Live Game Caissa's Web, 2005.

4.Bb2 Bd6 5.e3 0–0 6.Ba3 (6.Be2 c5–/+) 6...c5 7.bc6 Nc6 8.Bd6 Qd6 9.Nc3 d4 10.Nb5 Qc5 11.ed4 (11.c3 de3 12.fe3 Bf5–/+) 11...ed4–+ 12.Nf3 (12.Bd3 a6 13.Na3 Qg5–+) 12...Bf5 13.d3 (13.Bd3 Bd3 14.cd3 a6–+) 13...a6 14.Na3 Nd5 15.c4 Qa5 16.Nd2 (16.Qd2 Nc3 17.Nc2 Rfe8 18.Ne3–+) 16...Nc3 17.Qf3 Rae8 18.Be2 Ne2 19.Kf1 Qc3 20.Qe2 (20.Qf5 Qa1 21.Nab1–+) 20...Re2 21.Ke2 Bd3 22.Kf3 Bf1 23.Kg4 (23.Ke4 f5 24.Kd5 d3 25.Ke6 Qf6 26.Kd5 Qe5) 23...f5 24.Kh4 (24.Kh5 Qd2 25.Kh4 Qf4 26.Kh3 Qg4) 24…Qd2 (25.Rg1 Qf4 26.g4 Qh2 27.Kg5 Qh6#) 0–1. Jones,Malcolm – Ottenweller,Wolfgang (1855), internet, 2000.

4.d3 Bd6 5.Nf3 –/+.

4.d4 a6 5.e3 (5.de5 Ne4 6.Bb2 Qh4=) 5...e4 6.Nc3 (6.Ba3 Ba3 7.Ra3 Qd6–/+) 6...a5 (6...ab5 7.Bb5 c6 8.Bf1–/+) 7.Ba3 Bb4 8.Bb4 ab4 9.Nce2 Bg4 10.h3 Bh5 11.g4 Bg6 12.f4 (12.Nf4 h6=+) 12...h6 (better is 12...ef3!? 13.Nf3 Ne4–+) 13.f5 Bh7 14.Ng3 (14.Nf4 Qd6=+) 14...Nbd7 15.N1e2 Nb6 16.c3 bc3 17.Nc3 Qd6 18.Nge2 (18.Rg1 0–0=+) 18...0–0 19.Nf4 c6 (19...g5 20.fg6 fg6 21.g5–/+) 20.Be2 (20.a5 Qb4 21.Qd2 Nc4 22.Bc4 Qc4+=) 20...cb5 21.Bb5 (21.ab5 Qb4 22.Kd2 Rfc8–/+) 21...Nc4 (21...Rfc8!? 22.Qb3 Nc4 23.Bc4 Rc4=+) 22.Bc4+= dc4 23.0–0 Rad8 (23...b6 24.Qb1+=) 24.Qe2 Qc7 25.Rfd1 (25.Nb5 Qa5+=) 25...Qa5 (25...g5 26.fg6 fg6 27.Qg2+=) 26.Rdc1 (26.Qc4? Rc8 27.Qa2 Rc3–+) 26...Rc8 27.d5 (27.Rab1 Qc7+/–) 27...Nd7 28.d6 Nc5 29.Rab1 Nd3= 30.Nd3 cd3 31.Qd2 Qe5 32.Nb5?? Qg3–+ 33.Qg2 Qe3 34.Kh1 Rc1 (35.Rc1 Qc1 36.Kh2 d2–+) 0–1. TheLoser – windmill, Live Game Caissa's Web, 2004.

4.e3 c6 5.Bb2 Bd6 6.Nf3 Bg4 (6...e4!? 7.Nd4 c5–/+) 7.Be2 Bf3 8.Bf3 e4 9.Be2 Qe7 10.0–0 0–0 11.c4 Nbd7 12.bc6 bc6 13.Na3 Rab8 14.Qc2 Rfc8 15.d4 ed3 16.Bd3 Ne4 17.Be4 de4 18.Rfd1 Nc5 19.Rab1 Nd3 20.Rd3 0–1. postalpeet (1975) – marekt (2125), gameknot.com, 2015.

4.e3 Nbd7 5.c4 (5.Nf3 e4 6.Nd4 Ne5=+) 5...Bd6 6.Nf3 (6.Ba3 dc4 7.Bc4 Nb6=+) 6...e4 7.Nd4 Ne5 (7...dc4 8.Bc4 Ne5 9.Be2–/+) 8.Qb3 (8.cd5 Nd5 9.Nc3 Bg4=+) 8...c6 (8...c5 9.bc6 bc6 10.cd5 cd5=+ (< 10...Nd5 11.Nc6 Qg5 12.Ne5 Qe5 13.Bb2+/–)) 9.Be2? (9.cd5!? c5 10.Nc2–/+) 9...Bg4 (9...c5 10.Nc2 Bg4 11.Nca3–+) 10.0–0 (better is 10.cd5!? c5 11.f3 cd4 12.fg4–/+) 10...c5–+ 11.f3 cd4 12.fg4 d3 13.Bd1 dc4 14.Qc3 Neg4 15.Bg4–/+ Ng4 16.Qg7?? Bh2 17.Kh1 Rf8 18.Qg4+– Be5 19.Qe4 Qg5 20.Rf5 Qh6 21.Kg1 Qh2 22.Kf1 f6 23.Bb2 Qh1? 24.Kf2 0–0–0 25.Nc3 Qh2 26.Qc4 Kb8 27.Qg4 Rg8 28.Qh3 Bg3 29.Kf1 Qh3 30.gh3 Be5 31.Kf2 Bg3 32.Kf3 Be5 33.Rh1 Rg3 34.Ke4 Rg2 35.Rd1 Rd7 36.Ba3 Rg3 37.Rh5 Rg2 38.Nd5 Rgg7 39.Rc1 Rd8 40.Bb4 Rgd7 41.Ne7 Bb2 42.Rc4 Ka8 43.Rh7 Re8 44.h4 Be5 45.Rf7 Rh8 46.Ng6 Rf7 47.Nh8 Rd7 48.Rc8 Bb8 49.Ng6 a6 50.b6 f5 51.Kf5 Rf7 52.Ke6 Rg7 53.h5 a5 54.Rc5 ab4 55.Ra5 Ba7 56.Ra7 Kb8 57.Nf8 b3 58.h6 Rh7 59.Nd7 Rd7 60.Kd7 b2 61.h7 b1Q 62.h8R# (62.h8Q#) 1–0. NN – ChessMaster3000, 1992.

4.e3 Bf5 5.Nf3 Nbd7 6.a5 =+.

4.f3 Bf5 5.Bb2 Bd6 6.e3 –/+.

4.f3 Rg8 5.h4 (5.Bb2 Bd6–/+) 5...h6 (5...Nh5 6.d4 Be7 7.Bg5–+) 6.g4 g5 (6...Be6 7.g5 Nh7 8.Bb2–/+) 7.h5 (7.hg5 hg5 (< 7...Rg5 8.d4+/–) 8.Bb2 Nbd7=+) 7...e4 8.Bb2 ef3 (8...Bd6 9.Bg2=+) 9.ef3 Qe7 10.Qe2 Be6 11.Bf6 (11.a5!?=+) 11...Qf6–/+ 12.c3 (12.Nc3–/+) 12...d4 (12...Bd6 13.a5–/+) 13.Nh3 (13.Qe4 dc3 14.Nc3 Qe7=+) 13...dc3 14.Nc3 Bb4 15.Rc1=+ c6 16.Na2? Qb2–+ 17.Qd1? Qa2 18.Rc2 Qa4 19.bc6 Nc6 20.Rc6 Qc6 21.Bd3 0–0–0 22.0–0 Rd3 (23.Qe1 Qb6 24.Nf2 Kd8–+) 0–1. riverborne – snowman6, Live Game Caissa's Web, 2004.

4.g3 Bc5 5.Bg2 0–0 6.d3 c6 7.c4 (better is 7.Nf3!?–/+) 7...dc4 8.dc4?? (better is 8.Ba3 Bf2 9.Kf2 Qd4 10.Ke1 Qa1 11.Bf8 Kf8 12.dc4–+) 8...Qd1 (better is 8...Bf2 9.Kf2 Qd1–+) 9.Kd1 Rd8 10.Nd2 Bf2 11.Ngf3 (11.Bh3 Bg4 12.bc6 Nc6–+) 11...Be3 (11...e4 12.Ng5 e3 13.Kc2 ed2 14.Bd2–+) 12.h4 (12.Ne5 cb5 13.Ra3 Bc5–+) 12...Ne4 (better is 12...Ng4–+) 13.Ng5?? (better is 13.Ke1 Ng3 14.Nf1 Bc1 15.Ng3–+) 13...Nd2 14.Bd2 Rd2 15.Ke1 Bg4 16.Bf3 Bg5 (16...Bf3 17.Nf3 Rc2 18.Ne5–+) 17.hg5 (17.Bg4 Rd4 18.Bc8 Bd2 (18...Rc4 19.Bb7 Be3 20.Ba8+=) 19.Kf2 a6 (19...Rc4?! 20.Bb7 Bc3 21.Rab1=) 20.Bb7 Ra7 21.bc6 Ba5–+) 17...Bf3 18.ef3 Rc2 (18...Rd4 19.Rd1–+) 19.Kd1 (19.Rd1 g6 20.Rd8 Kg7 21.Rh4–+) 19...Rc4 20.Kd2 cb5 21.ab5 Nd7 22.Kd3 (22.Rhd1 a6–+) 22...Rac8 23.Ra7 Rc3 24.Ke4 Nc5 25.Ke5–+ Rf3 26.Rc1 f6 27.Kd6 Rd3 28.Ke7 Rc7 29.Ke8 Ne6 30.Ra8 Rd8 31.Rd8 Rc1 32.Rd7 Rc8 33.Ke7 Ng5 34.Rb7 Ne4 35.Rd7 Nc5 36.Rd6 Nb7 37.Rd7 Na5 38.b6 h5 39.Ke6 Re8 40.Kf5 Re5 41.Kg6 Rg5 0–1. gungho555 – coffeehouse, Live Game Caissa's Web, 2004.

4.h4 Bd6 5.Nf3 (5.Ba3 0–0–/+) 5...e4 6.Nd4 (6.Ng5 h6 7.Nh3 Ng4–/+) 6...Bg4 (6...e3!? 7.de3 Ne4 8.f4–+) 7.Ba3–/+ Ba3 (7...0–0 8.Bd6 Qd6 9.c3–/+) 8.Ra3 Qd6 9.c3 Nbd7 (9...0–0 10.a5–/+) 10.g3 (10.a5 Nc5 11.Qc2 0–0–/+) 10...0–0 (10...Ne5 11.Qc2–/+) 11.Bh3 (11.Bg2 a6–/+) 11...Bh3 12.Rh3 Rae8 (12...a6 13.h5–/+) 13.a5 (13.Rh1 Ne5–/+) 13...Ng4 14.a6?? (better is 14.Kf1–/+) 14...Qf6–+ 15.f3 ef3 16.e3 f2 17.Kf1 (17.Ke2 Ne3! 18.de3 f1Q 19.Qf1 Re3 20.Ke3 Qf1 21.Kd2 Qb1 22.g4–+) 17...Re3!! 18.Ne2 (18.de3 Ne3) 18...Rfe8 19.Ra1 Qf3 20.Ra4 Re2 (21.Re4 Re1 22.Qe1 fe1Q 23.Ke1 Re4) 0–1. market (2275) – _MDPhD_ (1870), GameColony.com, 2002.

4.d3 Bc5

5.Ba3 Qe7 6.Bc5 Qc5 7.e3 (7.Nf3 a6–/+) 7...Be6 (7...d4 8.ed4 ed4 9.Nf3–/+) 8.Ne2 (8.c3 Nbd7=+) 8...0–0 (8...Nbd7 9.d4 Qb4 10.c3=+) 9.Ng3 (9.d4 Qb4 10.c3 Qd6=+) 9...Nbd7 (9...d4 10.ed4 ed4 11.Ne4 Qb4 12.c3–/+) 10.Be2 (10.d4 ed4 11.Qd4 Qc2=+) 10...Rfd8 (10...d4 11.ed4 Qb4 12.Qd2–/+) 11.0–0 d4 12.e4 Nf8 13.f4 ef4 14.Rf4 Qe5 15.Rf1 Ng6 16.Nf5 Nf4 17.Bg4 Bf5 18.Bf5= g6 19.Bg4 Qg5= 20.Rf4?? Qf4–+ 21.Bf3 Re8 22.Nd2 Rad8 23.Qe2 Nd5 24.Nc4 Ne3 25.Ne3–/+ de3 26.Re1 Rd4 27.g3 Qg5 28.Qe3 Qe3 29.Re3 Ra4 30.c4 Ra3 31.Kf2 Rd8 32.Be2 c6 33.bc6 bc6 34.d4 Re3 35.Ke3 a5 36.Bd1 c5 37.Ba4? cd4 38.Kd3 Kf8 39.c5 Ke7 40.c6 Kd6 41.Kd4 Rb8 42.e5 Kc7 43.Kc5 h5 44.Bd1? Rb2 45.h3 Rg2 46.g4 h4 47.Bf3 Rg3 48.Bd5 Rh3 49.Bf7 Rc3 50.Kb5 Rc6 51.e6 Rb6 52.Ka5 Rb8 53.Bg6 Kd6 54.Bf5 Ke5 55.Ka6 h3 56.Ka7 Re8 57.Kb7 h2 58.Kc7 h1Q 59.Kd7 Qa8 60.e7 Qc8# 0–1. opel – novice, Caissa.com, 2004.

5.e3 0–0 6.Nf3 e4 7.de4 de4 8.Nd4 –/+.

5.e3 b6 6.Be2 (6.Nf3 Bd6=+) 6...Bb7 (6...0–0 7.Nf3 e4 8.de4 de4 9.Nd4=+) 7.Nf3= Nbd7 8.0–0 0–0 9.d4 Bd6 10.Nc3 e4 11.Ne5? Be5 12.de5=+ Ne5 13.Bb2 Qe7 14.f3?? Rad8?? 15.fe4 de4=+ 16.Rf5?? Rd1–+ 17.Rd1 Rd8 18.Rdf1 Rd2 19.Bd1 Nc4 20.Ba1 Ne3 21.Re1 Rg2 22.Kh1 Nf5 (23.Kg2 Qb4–+; 22...Qd6 23.Re5 Qe5 24.Re3 Qh2#) 0–1. TheLoser – tooholy, Live Game Caissa's Web, 2004.

4.e3 Bd6

5.Ba3 0–0 6.Bb2 –/+.

5.Ba3 0–0 6.c4 –/+.

5.Ne2 0–0 6.d4 –/+.

5.Ne2 a6 6.Na3 (6.Ba3 ab5 7.ab5 Bg4=+) 6...Bd7 (6...0–0 7.Bb2–/+) 7.Ng3 h5 8.Be2 (8.ba6 Na6 9.Nb5 Bb4–/+) 8...h4 9.Nf1 Ne4 10.f3 Nc5 11.c4 Qg5 12.Rg1 dc4 (12...e4 13.cd5 Bh2 14.Nh2 Qg3 15.Kf1–+) 13.Nc4 (13.Bc4 h3 14.g3 Ne6=+) 13...ab5 14.Nd6 cd6 15.d4 Na4 16.e4 (16.Qb3 Nc5 17.Ra8 Nb3 18.Rb8 Ke7 19.Rh8 Nc1–+) 16...Qd8–+ 17.Be3 Nc3 18.Qc1 Ne2 19.Ke2 Nc6 20.d5 Ra1 21.Qa1 Na5 22.Nd2 Nc4 23.Qa7 Ne3 24.Ke3 Qc8 25.Ke2 0–0 26.Rb1 Qc7 27.g3 hg3 28.hg3–/+ Rc8 29.g4 g6 30.Qe3 Kg7 31.Kf1 Qc5–+ 32.Qb3 Rh8 33.Kg2 Ra8 34.Rb2 Ra3 35.Qd1 Rc3 36.Nf1 b4 37.Rf2 Bb5 38.Ng3 Bd3 39.Qd2 Qf2 40.Kf2 Rc2 41.Ke3 Rd2 42.Kd2 Bc4 43.Kc2? Kf6 44.Nh1 Kg5 45.Nf2 Be2 46.Kb3 Kh4 (47.f4 ef4–+; better is 46...Bf3 47.Kb4 Kf4 48.Ka5–+) 0–1. Norbeck,Ivar – Norberg,Jan, corr SSKK 2–97, 1987.

5.h4 0–0 6.Qe2 (6.Bb2 Bf5 (6...c5 7.Be2 Nbd7 8.Nh3 Qa5 9.h5 Qb4 10.Bc3+=) 7.Nf3 Nbd7 8.Be2 c5 9.d3 a6 10.0–0–/+; 6.Be2 Bf5 (6...a6 7.Bb2 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Nf3–/+) 7.Bb2 Re8 8.Nf3 a6 9.Nc3 c5 10.ba6–/+; 6.Nc3 c5 (6...d4 7.Nce2 Bg4 8.Bb2 de3 9.de3 Qe7 10.Qb1–/+) 7.bc6 Nc6 8.Rb1 Re8 9.Bb2 d4 10.Nb5–/+) 6...a6 (6...Bg4 7.Qd3 Nbd7 8.Ba3 e4 9.Qb3 Nc5 10.Bc5–/+; 6...Bf5 7.d3 Bg4 8.f3 Be6 9.Bb2 c5 10.c4–/+) 7.Bb2 (7.Ba3 Bf5 8.Bd6 Qd6 9.Na3 c6 10.bc6–+) 7...Bg4 8.f3 (8.Qd3 Nbd7 9.f3 Be6 10.a5–+) 8...Be6 (8...Ne4 9.Qd3 Ng3 10.Rh2–+) 9.g3 (9.g4 ab5 10.ab5–/+) 9...Nbd7 10.Bh3 ab5 11.ab5 (11.Be6 fe6 12.Qb5 c6–+) 11...Ra1–+ 12.Ba1 Qa8 13.Bc3 Qa2 14.Qd1 Bh3 15.Nh3 d4! 16.ed4 ed4 17.Bd4 Qc4 18.Bf6?? (18.Be3 Bg3 19.Nf2–+) 18...Bg3 (18...Nf6?! 19.Kf2–/+) 19.Nf2 Re8 (19...Re8 20.Be5 Re5 21.Qe2 Qe2; 19...gf6?! 20.Nc3 Re8 21.Nce4–/+) 0–1. 2buddies – marekt, ChessWorld.net, 2016.

4.Nf3 Bd6–/+

5.Ba3 –/+.

5.Bb2 e4 6.Nd4 c5 7.bc6 Nc6 –/+.

5.e3 0–0 6.Nc3 e4 7.Nd4 c5 8.bc6 Nc6 9.Nc6 bc6 10.Be2 Be6 11.0–0 Qc7 12.h3 Rfb8 13.d4 Qe7 14.Bd2 Rb2 15.Rb1 Rb1 16.Qb1 Rb8 17.Qa2 Bc7 18.Re1 Qd6–+ 19.Kf1?? Qh2 20.f4 ef3! 21.Bf3 Bg3 22.Rb1 Rb1 23.Qb1 Ne4! 24.Ke2 Bc8 25.Be4 de4 26.Be1 Qg2 27.Kd1 Qh3 28.Bg3 Bg4 29.Kc1 Qg3 30.Qb7 Qe3 31.Kb2 h5 32.Qc6 Qd4 33.Qe4 Qe4 34.Ne4 h4 35.c4 Bf5 36.Nf2 g5 37.c5 g4 38.Nd1 g3 39.Ne3 h3 40.Nf5 g2 41.c6 g1Q 42.Ne7 Kf8 43.Nd5 h2 44.c7 Qg2 45.Kc3 Qh3 46.Kd4 h1Q 47.Nf4 Qa1 48.Kc5 Qe5 49.Kc6 Qhc3 50.Kb7 Qec7 51.Ka6 Qb6# (51...Q3c6#) 0–1. COMP – COMP, 2002.

5.e3 c5 6.d3 –/+.

4.Nf3 e4

5.Nd4 c5 6.Nb3 Bd6 –/+.

5.Ne5 c5 6.bc6 Nc6 7.Nc6 bc6 8.d4 Rb8 9.Bf4–/+ Rb2 10.Qc1 Qb6 11.Nc3 Rb4 12.e3 Qa5–+ 13.Qd2?? Rb2 14.Nd5 Qd5 15.Qc1 Qa5 16.c3 Rb3 17.Be2 Rc3 18.Qd2 Rc1! 19.Rc1 Bb4 20.Rc2 Bg4 21.f3 Bf5 22.0–0 Bd2 23.Rc5 Qb4 24.Rf5 Nd5 25.Rf2 0–0 26.Rd5 cd5 27.fe4 Be3! 28.Be3 Qe1 29.Bf1 Qe3 30.ed5 Rc8 31.h4 Rc2 32.Kh2 Qf2 33.Kh3 Qf1 34.h5 Rg2 35.d6 Qh1# 0–1. COMP – COMP, 2002.

5.Ne5 Bd6 6.Bb2 Qe7 7.d4 Nbd7 8.Nd7 Bd7 9.e3 0–0 10.Be2 a6 11.0–0 ab5 12.ab5 Ra1 13.Ba1 Ra8 14.Nc3 Bb4 15.Bb2 Qe8 16.Qb1 h6 17.Na2 Bd6 18.Nc3 c6 19.bc6 bc6 20.Ba1 Qc8 21.Qb6 Ng4 22.h3 Bh2 23.Kh1 Bc7 24.Qb2 Nh2 25.Rb1 Bh3 26.Qc1 Be6 27.Bb2 Qd8 28.Kg1 Qh4 29.g3 Bg3 30.fg3 Qg3 31.Kh1 Ng4 32.Bg4 Bg4 33.Qf1 Bf3 34.Qf3 ef3 35.e4 Qg2 0–1. COMP – COMP, 2002.

5.Ne5 Bd6 6.d4 Nbd7 7.Nd7 Bd7 8.e3 –+.

3.Bb2 c6

4.bc6 Nc6=+ 5.e3 Nf6 6.Nf3 Bf5 (Better is 6...Bd6!?=+) 7.Ne5+= Nb4 (7...Bd6 8.Bb5 Qb6 9.Na3+=) 8.d3 (8.Bb5!? Ke7 9.Ba4+/–) 8...Bd6+= 9.Nf3 0–0 10.Be2 b5 (10...Rc8 11.Nc3+=) 11.0–0 Qc7 12.h3?? Nc2–/+ 13.e4? de4–+ 14.Bf6 gf6 15.Nbd2?? Na1 16.Qa1?? ed3 17.Bd1 Kg7 18.Qd4 Bc5 19.Qh4 Rh8 20.Nd4 Bd4 21.Qd4 Rad8 22.Qh4 Qc1 23.Bg4 Qf1 24.Nf1 Bg4 25.Qg4+/– Kf8 26.Nd2 f5? 27.Qb4 Kg8 28.Qb5 h6 29.Qf5 Kg7 30.Qg4 Kh7 31.Qf5 Kg7 32.Ne4 d2 33.Qf6 Kf8 34.Qd8 Kg7 35.Qf6 Kg8 36.Nd2 Rh7 37.Ne4 Rg7 38.Nd6 Rg6 39.Qf7 Kh8 40.Qg6 h5 41.Ne8 h4 42.Qg7 1–0. TIROLOCO – redant, Live Game Caissa's Web, 2004.

4.e3 Bd6 5.Nf3 Bg4 6.Be2 Bf3 7.Bf3 e4 8.Be2 Nf6= 9.0–0 0–0 10.c4 a6 11.a4 Nbd7 12.g3 Be5 13.Be5 Ne5 14.Na3 Qb6 15.Qb3 Ned7 16.cd5 cd5 17.Rfb1 Nc5 18.Qd1 ab5 19.Rb5 Qc6 20.Nb1 Nfd7 21.Nc3 Nb6 22.Qb1 Rfd8?? 23.Rb6+– Qc7 24.Rb2 d4 25.Ne4 Ne4 26.Qe4 de3 27.de3 Qc6 28.Qc6 bc6 29.Bf3 (29…Ra6 30.Rb7+–) 1–0. valpa – Holodoc, HCL–B2125 playchess.de, 2003.

4.Be5!? Qe7 5.Bd4 +=.

4.e3 cb5

5.Be5 a6 A) 6.Be2 Nc6 7.Bb2 Nf6 8.Nf3 Bd6 9.0–0 0–0 10.Nd4 Re8=; B) 6.Bf4 Be7 7.Nf3 Nf6 8.Be2 0–0 9.0–0 Nc6 10.Re1 Re8=; C) 6.Nf3 Nc6 7.Bf4 Nf6 8.Be2 Bd6 9.Bd6 Qd6 10.0–0 0–0=.

5.Nf3 Bd7 6.Ne5+= Qb6 7.Bd4 Qe6 8.Nc3 Nc6 9.Nb5+– Nd4?? 10.Nc7 Kd8 11.Ne6 Ne6 12.Nf7 Ke7 13.Nh8 Nf6 14.Qb1 Bc6 15.Bb5 Nd8 16.c4 dc4 17.Qb4 Kd7 18.Bc6 Nc6 19.Qb7 Kd6 20.Qa8 (20...Nd7 21.Nf7 Kc7 22.Rb1+–) 1–0. pierre – gilchristsak, internet, 2008.

5.Nf3 e4!? 6.Bb5 Bd7= 7.Nd4 Nf6 8.0–0 Bd6 9.Bd7 Qd7 10.f3 Qc7 =.

4.Be5 cb5

5.e3 b4 6.Nf3 =.

5.e3 Nc6 6.Bb5 1–0. Van Esbroeck,Dirk – Alonso,Ivan, SF–2009–0–00032, 2009.

5.e3 Nf6 6.Bb5+= Bd7 7.a4 Bc5 8.Qf3 Be7 9.Nc3 0–0 10.Nd5+– Nd5 11.Qd5 Nc6 12.Bc6 Bc6 13.Qd4?? Qd4–+ 14.ed4 Bg2 15.0–0–0 Bh1 16.Nh3 Bg2 17.Nf4 Bf3 18.Rg1 f6 19.Bc7 Rac8 20.Ne6 Rfe8 21.Rg7 Kh8 22.Rg3 Bd5 23.Be5 Be6 24.Bf6 Bf6 25.Rf3 Rf8 26.Rc3 Rc3 27.dc3 Bg4 28.Kb2 Be7 29.Kb3 Be6 30.c4 Rc8 31.c3 Bc4 32.Kc2 a6 33.a5 Rf8 34.Kd2 Rf2 35.Ke3 Rh2 36.Ke4 Rh3 37.d5 Bd5 38.Kd5 Rc3 39.Kd4 Rc1 40.Kd5 Bd8 41.Ke5 Ba5 42.Kf5 h5 43.Kg5 Rh1 44.Kf5 h4 45.Kf4 h3 46.Kg4 Bc7 47.Kf3 h2 48.Kg2 Rg1 49.Kf2 h1Q (50.Ke3 Rg3 51.Kd4 b6 52.Kc4 Qe4#) 0–1. manofsteel2 – demonlord, Live Game Caissa's Web, 2005.

3.Bb2 d4

4.c3 Qd5 5.Qa4 (5.Qb3 Qb3 6.ab3 dc3 7.Nc3 Bd6+=) 5...Bd7 (5...c5=) 6.c4 (6.cd4!? ed4 7.e3 de3 8.fe3+=) 6...Qe4 (6...Qe6 7.Qb3+=) 7.Nf3 (7.Ba3 Nf6=) 7...Na6 8.d3 (8.Qd1 Nc5 9.d3 Qf5–/+) 8...Qf4 (8...Qf5 9.Qc2 Bb4 10.Nbd2+=) 9.Nbd2 (9.Qc2 Nc5=) 9...Nc5+= 10.Qc2 a6 (10...Nf6 11.g3 Qf5 12.Bg2=) 11.g3= Qf5 12.Nh4 (12.e3 de3 13.fe3 A) worse is 13...ab5 14.e4 (worse is 14.Be5 bc4 15.Qc4 Nf6=) 14...Qe6 15.Ne5+=; B) 13...Bd6=) 12...Qg4 (12...Qh5 13.Bg2 Nf6 14.Nb3 ab5 15.Nc5 Bc5 16.cb5 Bb4 17.Kf1+=) 13.Bg2= ab5 14.0–0 Be7 (14...Nf6=) 15.Ndf3 (better is 15.Nb3 Na4 16.Bb7=) 15...f6–/+ 16.Nd2 (better is 16.h3!? Qe6 17.cb5 Bb5 18.Nd2–/+) 16...Qe2–+ 17.Bf3? (17.Rfe1 Qd3 18.Qc1–+) 17...Qd3 18.Qd1 h6 (better is 18...bc4 19.Bh5 g6–+) 19.Be2+– Qh7 20.Bh5 g6 (20...Kd8 21.Bg6 bc4 22.Nc4 Be6 23.Bh7 Rh7+–) 21.Bg6 Qg6 (21...Kf8 22.Bh7 Rh7 23.f4 bc4 24.Nc4+–) 22.Ng6 Rh7 23.Ne7 Re7 (23...Ke7 24.cb5 Ne6 25.Qe2+–) 24.Qh5 (better is 24.Bd4!? Ne6 25.Qh5 Kf8+–) 24...Kf8 25.Bd4! (25.Bd4 Be8 26.Qf3 (26.Bc5?! Bh5 27.cb5 Kg7 28.Be7 Ne7+–) 26...ed4 27.Qd5+–) 1–0. queensservant (1775) – ovid7 (1800), gameknot.com, 2014.

4.c4 c5 5.e4 de3 (5...Nf6 6.Nf3+=) 6.fe3 (6.de3 Qd1 7.Kd1 Bd6+=) 6...Qh4 (6...Nd7 7.Be2+=) 7.g3= Qe4 (7...Qe7 8.Bg2=) 8.Nf3 Bg4 (8...Bd6 9.Nc3 Qg6 10.d4 cd4 11.ed4 ed4 12.Nd4=) 9.Be2+= Nf6 (9...Nd7 10.d3 Qf5 11.h3 Bf3 12.Bf3+=) 10.Nc3 (10.h3 Be6 11.Be5 Nbd7+/–) 10...Qf5+= 11.Nh4 (11.Ne5 Be2 12.Ne2 Bd6+=) 11...Qd7 (11...Be2 12.Nf5 Bd1 13.Rd1=) 12.Bg4 Qg4 (12...Ng4 13.Nd5 Bd6+=) 13.Qg4+/– Ng4 14.Nd5 Kd8 15.h3 Nf6 16.Nf6 gf6 17.0–0 (17.Rf1 Nd7+/–) 17...Nd7 18.d4 (18.Nf5 a6 19.ba6 Ra6+/–) 18...Rg8 (18...cd4 19.ed4 Rc8 20.Rac1+/–) 19.Kg2 (19.Nf5 a6+/–) 19...cd4+= 20.ed4 Rc8 21.Rac1 (21.Rac1 Nb6 22.de5 fe5 23.Be5 (worse is 23.Rf7 Nc4 24.Rb1 Nd6 25.Rh7 Rc2 26.Kf3 e4 27.Kf4 Rf2 28.Ke3 Rh2+=) 23...Nc4 24.Rcd1 Ke7 25.Rfe1+/–) 1–0. Wantoch_Rekowski,Jacek – Roczniak,Jan, corr Poland, 1993.

4.c4 Bc5 5.e3 +=.

4.d3 a5 5.a4 (5.Nf3 Nd7+=) 5...Be6 (5...Nf6 6.g3+=) 6.g3 Bb4 (6...Nf6 7.Nf3=) 7.Nd2 (better is 7.c3!? dc3 8.Nc3=) 7...Nf6–/+ 8.Bg2 Bd5 (8...Nd5 9.Ngf3 Nd7 10.0–0+=) 9.Bd5 Qd5 10.Ngf3 e4 (10...c6!? 11.bc6 Nc6=) 11.de4+= (11.Nd4? e3 12.0–0 Bd2–+) 11...Qd7? (11...Ne4 12.0–0 Nc3 13.Bc3 Bc3 14.Ra3+/–) 12.Nd4 (better is 12.0–0 Bc3 13.Bc3 dc3 14.e5 cd2 15.ef6+–) 12...Ne4+/– 13.c3?? (13.N4f3 0–0 14.c3 Nd2 15.Qd2 (worse is 15.cb4 Nf3 16.ef3 Re8 17.Kf1 Qd1 18.Rd1 ab4+=) 15...Qd2 16.Nd2+/–) 13...Nc3–/+ 14.Bc3 Bc3 15.Rc1? Bd4 16.0–0 0–0 17.Nf3 Rd8 18.Nd4 g6?? 19.Nf3 c6 20.bc6 Nc6= 21.Qb3 Qe7 22.e3 Nb4 23.Rfd1 Rd1 24.Rd1 Rd8 25.Rd8 Qd8 26.Ne5 Qe7 27.Nf3 h5 28.Qd1 ½–½. Hasler,Ueli (1710) – Tortoza,Carlos, CiF, 2006.

4.e3 Bd7 5.ed4 ed4 6.Bd4 Nf6 7.Be3 (7.Qf3 Be6 8.Ne2 Qd5+/–) 7...Bg4 8.f3 Bd7 9.g3 Bd6 10.Bg2 0–0 11.Ne2 Re8 (11...Bb5 12.Nbc3 Bc4 13.Rb1=) 12.0–0 (12.Nbc3 c6+=) 12...a6 13.ba6 Ra6 14.d4?? Nd5 15.Bf2 Re6 16.Nd2 Qe8 17.Ne4 Bb5 18.Re1 f5 19.Nd6 cd6 20.Bf1 Nc6 21.Rb1 Nc3?? 22.Rb5 Nb5 23.Nf4 Re1= 24.Qe1 Qe1–/+ 25.Be1 Ncd4 26.c3 Nf3 27.Kf2 Ne1 28.Ke1? Ra5–+ 29.c4 Nc3 30.Ne2 Na2 31.Bg2 Re5 32.Bb7 Nc3 33.Bf3 Ne2 34.Be2 d5 35.cd5 Rd5?? 36.Bc4+– g5 37.Bd5 Kg7 38.Kf2 h5 39.h3 Kf6 40.Kf3?? Ke5 41.Bf7+= h4?? 42.g4+– f4 (43.Bc4 Kd4+–) 0–1. MasterofDisaster – vello01, Live Game Caissa's Web, 2004.

4.e4 c6 5.g3 (5.c3!?=) 5...cb5 6.Bb5 Bd7 7.Qe2 a6 8.Bc4 b5 9.Bf7 (Better is 9.Bb3!?=+) 9...Kf7–+ 10.Qh5 g6 11.Qe5 Bg7?? (Better is 11...Nf6 12.Nf3 Nc6–+) 12.Qd5+– Be6?? (12...Ke8 13.Qa8 Qc7+=) 13.Qd8 (13.Qa8?! Qb6 14.Nf3 h6+/–) 13...Ne7 14.Qd6 Nbc6 15.Nf3 Rhd8 (15...Bc8 16.Ng5 Ke8+–) 16.Ng5 (16...Ke8 17.Qe6+–) 1–0. MasterofDisaster – raigod, Live Game Caissa's Web, 2004.

4.f3 Bb4 5.c3 dc3 6.Nc3 Bc3 (6...Nf6!?=+) 7.Bc3= f6 (7...Qg5!?=) 8.e4 Ne7 9.Bc4 c6 10.a4 c5 11.Ne2 b6 (11...Qd6!?+/–) 12.0–0 Ng6?? (12...Qd6 13.f4+–) 13.Qb3 (Better is 13.Bd5+–) 13...Qe7 14.g3 Nd7 15.a5 Bb7 16.ab6 Nb6 17.Be6?? c4–+ 18.Bc4 Nc4?? 19.Qc4+– Rc8 20.Qb4 Qb4 21.Bb4 Rc2 22.Ra7 Rc7 23.b6 Rc4 24.Rb7 Rb4 25.Rb8 Kf7 26.Rh8 Nh8+/– 27.f4 Rb6 28.fe5 Rb2 29.ef6 Rd2 30.fg7 Kg7 31.Nf4 Nf7 32.Ne6 Kg8 33.Re1 Ne5+/– 34.Kf1 Nf3 35.Re2 Nh2 36.Ke1 Re2 37.Ke2 Ng4 38.Kf3 Nf6 39.Kf4 Kf7 40.Ng5 Kg6 41.e5 Nh5= 42.Kg4 Ng7? 43.e6 h6= 44.Nf3 Ne6 45.Kh4 h5 46.Ne5 Kh6 47.Nf7 Kg6 48.Nh8 Kh6 49.Nf7 Kg6 50.Ne5 Kh6 51.Nf3 Ng7 52.Kh3 Nf5 53.Kg2 Kg6 54.Kf2 Kh6 55.Kg2 Ng3 56.Kg3 Kg6 57.Kh4 Kh6 58.Ne5 Kg7 59.Kh5 (59.Nd7!?+=) ½–½. MasterofDisaster – hilde, Live Game Caissa's Web, 2004.

4.Nf3 c5 5.e3 f6 6.Bc4 Bd6 7.0–0 e4 8.Nh4+– Qe7? (better is 8...Ne7!? 9.d3 Qc7 10.de4 Nd7+–) 9.Qh5 g6 (9...Kf8 10.ed4 cd4 11.Bd4 Nh6+–) 10.Ng6! anony – pierre, internet, 2015.

4.Nf3 Bc5 5.Ne5+= f6 (5...Be6 6.e3+/–) 6.Nd3+/– b6 (better is 6...Be7!?+/–) 7.Nc5+– bc5 8.c3 (8.e3 Qd5+–) 8...dc3 (8...c6 9.cd4 cd4 10.e3 de3 11.Qh5 g6 12.Qe2+–) 9.Nc3 c6 10.e4 cb5 (10...Qd6 11.Bc4+–) 11.Qh5 g6 12.Bb5 Bd7 (12...Nd7 13.Qc5 a6 14.Nd5+–) 13.Qc5 (better is 13.Qd5 Bb5 14.Qa8+– (14.Nb5?! Qd5 15.Nc7 Kd8 16.Nd5 Nd7+–)) 13...Bb5 (13...a6 14.Bc4 Bc6+–) 14.Nb5 Na6 15.Qc6 Ke7 16.Qa6 Qd7 (16...Qb6 17.Qb6 ab6+–) 17.Rc1 Rb8 18.Rc7 (18.Rc7 Qc7 19.Nc7 Rb2 20.Qe6 Kd8 21.Qd6 Kc8 22.Nd5+–) 1–0. Tiedemann,Joern (2125) – Korn,Lothar (1700), remoteschach.de, 2009.

4.Nf3 c6 5.a4 cb5 6.ab5 Bc5 7.Ne5+/– Nf6 8.e3 0–0 9.Nd3 Bb6 10.Be2 de3 11.de3 Bf5 12.0–0 Bd3 13.Bd3 Nbd7 14.Qf3 Re8 15.Qb7 Nc5 16.Bf6?? Nb7?? 17.Bd8+– Rad8 18.Nd2 Nc5 19.Ra3 Nd3 20.cd3 Bc5 21.Rc3 Bb4 22.Rc2 Rd3 23.Nf3 Rc3 24.Rc3 Bc3 25.Rc1 Bf6 26.Ra1?? Ra8 27.Ra6 h6 28.b6 Bd8?? 29.Ra7 Ra7?? 30.ba7+– Bb6 31.a8Q Kh7 32.Qe4 g6 33.Qe7 Kg7 34.Ne5 Ba5 35.Qf7 (35…Kh8 36.Ng6#) 1–0. MasterofDisaster – BEACHBUM, Caissa's Web, 2004.

4.Nf3 Bd7 5.Ne5 Bb5 6.Nd3 Nf6 7.e3 de3 8.fe3 Bd3 (8...Bc6 9.Ne5=) 9.Bd3+= Nd5 (9...Bd6 10.0–0 Nbd7 11.Bf5+=) 10.Qf3 Qh4 11.g3 Qh3?? (better is 11...Qb4 12.0–0 Qb2 13.Qf7 Kd8 14.Qd5 Nd7+–) 12.Bf5 Qh6 13.Qd5 c6 14.Qe4 Be7 15.Ba3 Qf6 (15...Qg5 16.Bc8 Nd7 17.Bb7 Rd8 18.Bc6 Kf8+–) 16.0–0 0–0 (16...Kd8 17.Bh3 Qf1 18.Kf1 Ba3 19.Na3+–) 17.Be7 (17.Be7 Qh6 18.Bf8+–) 1–0. b4_player – ksew, casual, 2013.

4.Nf3 Qf6!? =+.

4.g3 Qd5 5.Nf3 Qb5 6.Qc1 Nc6 7.a4 Qd5–+ 8.c4 Qd8 9.Ba3 Ba3 10.Ra3 e4 11.Ng1 Nf6 12.Bg2 0–0 13.d3 ed3 14.Rd3 Bf5 15.Rd2 Ne4 16.Rb2 Rb8 17.Nf3 Re8 18.0–0 Qf6 19.Qf4 g5 20.Qc1 h6 21.Re1 Bg4 22.h3–/+ Bh5 23.Nh2?? Qf2 24.Kh1 Ng3# 0–1. Kleist,Werner (1665) – Augustat,Siegfried (1785), 17sen.Bad Sooden op Hessen, 2005.

4.g3 Nf6 5.Bg2 a6 6.ba6 Na6 7.e4 Be7 8.a3 b6 9.c4 Bb7 10.Ne2 Be4 11.0–0 Bg2 12.Kg2 c5 13.f4 e4–+ 14.f5 0–0 15.Nf4 Qd7 16.g4 Qc6 17.Kg3 e3 18.de3 Ne4 19.Kh3 Rad8 20.Qf3?? Ng5–+ 21.Kg3 Nf3 22.Rf3 de3 23.Re3 Bd6 24.Nd2 Bf4 25.Kf4 g5! 26.fg6 fg6 27.Kg3 Nc7 28.Ne4 Ne6 29.Nf6 Kf7 30.Nh7 Nd4 31.Rf1 Kg7 32.Re7 Kh6 33.Nf8 Qd6–+ 34.Rf4 Qe7 (35.Bd4 cd4 36.Ng6 Kg6–+) 0–1. MasterofDisaster – GreyGoose, Live Game Caissa's Web, 2005.

4.e3 a6

5.ed4= ed4 6.Qe2 Be7 (6...Ne7 7.Nf3=) 7.Nf3 (7.Qe5 Nf6 8.Qd4 Bd7=) 7...c5= 8.bc6 (8.c3!? Bd7 9.cd4 Bb5 10.d3+=) 8...Nc6+= 9.d3 (9.c3 Qb6 10.Bc1 Nf6+=) 9...Nf6–/+ 10.Nbd2 (10.c3 dc3 11.Nc3 0–0–/+) 10...Be6 (10...0–0 11.Qd1–/+) 11.Nb3 Increasing the pressure on the isolated pawn on d4 (11.Ng5 Bg4 12.f3 Bf5–/+) 11...Bb4 (11...Bb3 12.ab3 0–0–/+) 12.Nfd2? (12.Kd1 0–0 13.Nbd4 Nd4 14.Bd4 Ba2+=) 12...a5 (better is 12...0–0!? 13.Qd1 a5–+) 13.a3–/+ Bc3 14.Bc3 dc3 15.Ne4 Ne4 (15...0–0 16.Nbc5–/+) 16.Qe4 (16.de4 Bb3 17.cb3 Nd4–/+) 16...Qd6 (16...0–0 17.Kd1 Re8 18.Nc1–+) 17.Be2 (17.Nc1 0–0 18.Ne2 Rfe8–+) 17...0–0–+ 18.0–0 Bb3 19.cb3 Rfe8 (better is 19...Nd4 20.Bf3 Nb3–+) 20.Qf3?? (better is 20.Qg4–+) 20...Nd4 21.Qf7 (21.Qb7 Ne2 22.Kh1–+) 21...Kf7 22.Bh5 g6 23.Rfc1 gh5 (23...gh5 24.Rc3 Ne2 25.Kh1 Nc3–+) 0–1. Meybohm,Dirk – Cuno, corr, 1986.

5.ed4= ed4 6.Nf3 c5 =.

5.Nf3 Nd7 6.ed4+= e4 7.Qe2 Qe7 8.Ne5 Ngf6 (8...ab5 9.Nc3 (worse is 9.Qe4 f6+=) 9...Ngf6 10.Nb5+/– (worse is 10.Qb5 c6 11.Qe2 Ne5 12.de5 Qe5=)) 9.ba6+/– ba6 10.Na3 (10.Qe3+/–) 10...a5 (10...Qe6!?+/–) 11.Nb5 (better is 11.Qb5 Ra6 12.Qc4 Ne5 13.de5+–) 11...Ba6?? (better is 11...Nb6+–) 12.Nc7 Kd8 13.Na6 Ne5 14.de5 (14.de5 Qb7 15.Bc3+–) 1–0. dwtu – gpbo, internet, 2009.

5.Nf3 de3!? 6.fe3 e4 +=.

4.e3 b6

5.ed4 ed4 6.Nf3 Bc5 7.c3 (7.Qe2!? Ne7 8.Qe4+/–) 7...dc3 (7...d3 8.Qb3+=) 8.Bc3 (worse is 8.dc3 Bf2 9.Ke2 Qd1 10.Kd1 a6–/+) 8...f6 9.Be2 Bg4 10.0–0 a6 (10...Ne7 11.Qa4 Be6 12.Re1+=) 11.a4 (11.Ng5 Qd5 12.Bg4 Qg5 13.Re1 Ne7+/–) 11...a5 (11...ab5 12.ab5 Ra1 13.Ba1+=) 12.Ne1 (12.Ng5 Qd5+/–) 12...Bf5 13.Na3 Ba3 14.Ra3 g6 (14...Ne7!?+=) 15.Nf3 Qd6 16.Re1?? (16.Bb2 c5+–) 16...Ne7?? (better is 16...Qa3!? 17.Bd3 Kd8–+) 17.Ng5?? (better is 17.Bb2 0–0 18.Bc4 Kh8 19.Ng5+–) 17...h6–/+ 18.Nf3 Qa3–+ 19.Bf6 Rh7 20.Qc2?? Bc2 0–1. Valpa – Newplayer, playchess.de, 2006.

5.Qf3 c6 +/–.

5.Nf3 Nd7 6.Bc4 Nh6? (6...de3!? 7.de3 Bb7+=) 7.0–0 Nc5? (better is 7...de3 8.de3 Bb7+/–) 8.Ne5+– Be6 9.Be6 Ne6 10.Bd4 Nd4 11.ed4 Qd4 (11...Qd4 12.Qf3 Qe5 13.Qc6 Kd8+–). Jokmin,Alex – Brough,Carl, SN–2010–0–00236, 2010.

5.Nf3 de3 6.fe3 e4 7.Nd4 (7.Bc4 Nh6 (7...ef3 8.Qf3 Qh4 9.g3 Qc4 10.Qa8+=) 8.Ne5 Qg5=) 7...Nf6 8.c4 Bc5 9.Be2 0–0 10.0–0 Qd6 11.d3 ed3 12.Bd3 (12.Bf3 c6=) 12...Bg4 (12...Ng4 13.Rf4 Ne3 14.Qh5–+) 13.Qc2 Nbd7 14.Nd2 Rae8 15.h3?? (15.Rae1 Bb4=) 15...Be6?? (better is 15...Re3 16.N2b3 Bh3 17.gh3 Qg3 18.Qg2 Rd3 19.Nc5 Nc5 20.Qg3 Rg3 21.Kh2 Rd3–+) 16.Ne6 (16.Ne4 Ne4 17.Be4 h6+=) 16...Re6 17.Rae1 (17.Ne4 Qe7 18.Nf6 Nf6 19.Bf6 Rf6 20.Bh7 Kh8+=) 17...Ne5 (17...Be3 18.Kh1 Nc5 19.Rf6 Qd3 (19...gf6?! 20.Bh7 Kg7 21.Nf1+=) 20.Qd3 Nd3 21.Re6 Bd2–/+ (21...fe6?! 22.Re3 Nb2 23.Re6=)) 18.Bf5+= Re7 19.Kh1 g6 20.Be5 Re5 The isolani on e3 becomes a target 21.e4?? gf5–+ 22.ef5 Re1 23.Re1 Rd8 24.Nf3 Qg3 25.Qc3 Bd6 26.Qf6+– Qe1?? 27.Ne1 Re8 28.Nf3 Re2 29.Qg5 Kf8 30.f6 Ke8 31.Qg8 Kd7 32.Qf7 Kc8 33.Qg8 Kb7 34.f7 Rf2 35.f8Q Rf1 36.Ng1 Rf8 37.Qd5 Kc8 38.Qa8 Kd7 39.Qa7 Rb8 40.Nf3 Rf8 41.Ng1 Rf1?? 42.Qb7 Bc5 43.Qc6 Kc8 44.Qe8 Kb7 45.Qc6 Kc8 46.Kh2 Rg1 47.Qe8 (47.Qe8 Kb7 48.Qe4 Kb8 49.Qh7+–) 1–0. captainevans – patinga, playok.com, 2012.

4.e3 c5

5.c4 dc3 6.Bc3 Bd6 7.Qc2 Nf6 8.f3 Be6 9.Na3 0–0 10.Bd3 a6 11.Nc4 ab5 12.Nd6 Qd6 13.Bb5 c4 14.Qb2 Na6 (better is 14...Nfd7!? 15.Ne2 Nc5+=) 15.Ba6 ba6 16.a3?? (16.Be5!? Qd3 17.Ne2+/–) 16...Rab8 (16...Nd7 17.Ne2–/+) 17.Qc2 (17.Be5!? Rb2 18.Bd6=) 17...h6 (17...Nd5!?–/+) 18.Bb4+= Qd3 (better is 18...Rb4!? 19.ab4 Nd5+=) 19.Qd3+= cd3 20.Nh3 (20.Bf8!? Kf8 21.h4+=) 20...Rfc8 21.0–0? (21.Nf2 Bc4+=) 21...Bd5 (better is 21...Bh3!? 22.gh3 Rc2–+) 22.e4+= Be6 23.Nf2 Bc4 24.Rac1 h5 25.Rc3 h4 26.Rfc1+– Be6 27.Rc8 Bc8? 28.Bd6 Ra8 29.Be5 h3 30.gh3 Nh5 31.Nd3 Bh3 32.Nf4 Nf4 33.Bf4 Rd8 34.Rc4 f6 35.Rc6 g5? 36.Be3 g4 37.fg4 Bg4 38.Rf6 Be2 39.Kg2 Kg7 40.Rf2 Bd3 41.e5 Be4 42.Kg3 a5 43.Rf6 Re8 44.Bf4 a4 45.Ra6 Kf7 46.Ra4 Rg8 47.Kf2 Rg2 48.Ke3 Bc6 49.Ra7 Ke6 50.a4 Rg1 51.a5 Ra1 52.Kf2 Ra2 53.h4 Kf5 54.Rf7 Kg4 55.Rf6 Bb7 56.Rb6 Ra5 57.Rb7 Kf4 58.e6 Ra8 59.Rf7 Ke5 60.e7 Re8 61.h5 Ke6 62.Rh7 Kf6 63.d4 Ke6 64.Kf3 Kd7 65.Ke4 Rg8 66.Kf5 Rg2 67.h6 Rf2 68.Ke5 Re2 69.Kd5 Rg2 70.Rg7 Rh2 71.h7 Rh5 72.Kc4 Ke8 73.Rg8 Ke7 74.h8Q Rh8 75.Rh8 Kd6 76.Rh5 White prepares d5 76...Kc6 If Black now only could play d5+... 77.d5 Kd6 78.Rh6 Ke7 79.d6 Kd7 80.Kc5 Kc8 81.Kc6 Kb8 82.Rh7 1–0. lindsey000 – raven_king, gameknot.com, 2013.

5.c4 Bd6 6.Be2 +=.

5.c4 Nf6 6.Nf3 e4 7.Ne5 Qd6 8.f4 Nbd7 9.Nd7 Bd7 –/+.

5.c4 Nf6 6.Nf3 e4 7.Ng1 Be7 (7...a6 8.a4–/+) 8.ed4 cd4 9.d3? (better is 9.f3–/+) 9...Bb4–+ 10.Nd2 e3 11.fe3 de3 12.Qe2 (12.Ngf3 Bg4 (12...Bd2?! 13.Nd2 ed2 14.Qd2–+) 13.Be2 Bf3 (13...Bd2?! 14.Nd2 ed2 15.Qd2–+; 13...ed2?! 14.Nd2 Qe7 15.Bf6 gf6 16.Kf1–+) 14.Bf3 Qd3–+) 12...Bd2 13.Kd1 Bg4 14.Nf3 0–0 15.h3 (15.Kc2 Nbd7–+) 15...Bf3 (15...Nh5 16.Be5 Qa5 17.Kc2–+) 16.gf3 (16.Qf3 Qa5 17.Kc2 Nbd7–+) 16...Nh5 (better is 16...Qa5 17.Kc2–+) 17.Qg2 (17.Rg1 f6 18.Kc2 a6–+) 17...f6 (17...Qa5!? 18.a4 Bc3 19.Qc2 Bb2 20.Qb2–+) 18.Rg1 Rf7 (18...Qa5 19.a4 Be1 20.Qc2–+) 19.Be2 (19.Qg4 Qa5 20.a4 e2 21.Be2–+) 19...Nf4 20.Qg4 (20.Qf1 a6 (worse is 20...Ne2 21.Qe2 a6 22.a4–+) 21.a4 ab5–+) 20...Nd3 (better is 20...Qa5 21.Kc2 Ne2 22.Bf6 Qa4 23.Kb2 Qb4 24.Kc2 Ng1 25.Rg1–+) 21.Bd3 Qd3 22.Qc8 Rf8 23.Qe6 Kh8 24.Qe7 (24.Qe4 Qd7 25.Ke2–+) 24...Nd7 25.Qg7# 1–0. Francia,Pasquale – Capa 2, 5 minutes game, 2005.

5.c4 Nf6 6.Nf3 e4 7.Ng5 h6 8.Nh3 Bh3 9.gh3 Bd6 (9...a6 10.ed4 cd4 11.f3–/+) 10.Bg2 d3 11.Bf6 (11.Nc3 Be5+=) 11...Qf6= 12.Nc3 Nd7 (12...Be5 13.Ne4 Qe7 14.Rb1+=) 13.Ne4+/– (13.Be4?! 0–0–0=) 13...Qg6 14.Nd6 Qd6 15.Bb7 Rb8 16.Be4 Nf6 17.Bc6 Nd7 18.Qg4 g5 (18...Rg8 19.Rc1 Rd8 20.Qe4 Kf8 21.Rb1+–) 19.Qf5 Rd8 20.h4 0–0 (20...gh4 21.Rb1+–) 21.Be4 Nf6 22.hg5 Ne4 23.Qe4 hg5 24.Rg1 Qf6 25.Rb1 Rfe8 26.Qh4 Re5 27.f4 Rd4 (27...Rf5+–) 28.fe5 Rh4 29.ef6 (29.ef6 Rh2 30.Rg5 Kh7 31.Rb2 Rh1 32.Kf2+–) 1–0. Fritz 10 – NN, 2007.

5.c4 Nf6 6.Nf3 Bg4 7.Be2 (better is 7.h3 Bf3 8.Qf3+=) 7...Be7?? (7...d3 8.Bf1 e4 9.h3–/+) 8.Qc2?? (8.Ne5!? Be2 9.Qe2 (worse is 9.Ke2 Qd6 10.f4 Nbd7=) 9...de3 10.Qe3+/–) 8...0–0 (8...e4 9.Ng1 d3–+) 9.Ne5= Be2 10.Ke2 Nbd7 (10...de3 11.de3 Bd6 12.Rd1+=) 11.Nd7 (11.ed4!? cd4 12.Bd4 Ne5 13.Be5+=) 11...Qd7= 12.Re1 Rad8 (12...de3 13.de3 Qd6 14.Nd2+=) 13.ed4+= cd4 14.d3 (14.Kf1 Rfe8+=) 14...Bd6 (better is 14...Ng4=) 15.g3?? (15.Kf1 Bh2 16.Nd2 Qg4+=) 15...Qh3?? (15...Rfe8 16.Kd1 Re1 17.Ke1 Re8 18.Kd1 Qg4 19.f3 Qf3 20.Qe2 Qe2 21.Kc1 Qe1 22.Kc2 Re2 23.Nd2 Qd2 24.Kb3 Qb4) 16.Nd2 (16.Kd1 Bb4 17.Nd2 Rfe8+=) 16...Qh2 (16...Rfe8 17.Kd1+=) 17.Rh1= Qg2 18.Rag1 (18.Bd4 Rfe8 19.Be3 Bc5–/+) 18...Rfe8 19.Ne4! Ne4 (19...Qe4 20.de4) 20.Rg2 Ng3 21.Kd1 (21.Kf3!? Nh1 22.Rg1 Nf2 23.Bd4 Nh3 24.Rg7 Kf8+–) 21...Nh1 22.Rh2?? (better is 22.Rg1 Nf2 23.Qf2+–) 22...Bh2–+ 23.f3 Bf4 24.Qg2 Ng3 25.c5 Be5 26.a4 Nf5 27.a5 g6 28.Qg5 Bg7 29.c6 Ne3 30.Kc1 White gets deadly initiative 30...bc6 31.bc6 h6 32.Qc5 Rc8 33.c7 Bf8 34.Qd4 Do you see the mate threat? 34...Rc7 35.Kb1 Nf5 36.Qh8 1–0. toll (1700) – DrEcho (1670), ICC, 2003.

5.Qe2 Qe7 =.

5.Nf3 Bd6 6.ed4 cd4 7.Bc4 Nh6 (7...Nd7 8.0–0=) 8.h3 (8.Qe2 Qe7=) 8...Be6 (8...0–0!?+=) 9.Be6= fe6 10.Qe2 Nd7 11.0–0 (11.c3 0–0+=) 11...0–0 12.Nd4 (better is 12.c3 Rf4 13.Re1+=) 12...ed4–/+ 13.Qe6 Nf7 14.Bd4 The passed pawn on d2 will quickly become a dangerous weapon 14...Be5 15.Be5 Nde5 16.Qb3 (16.Re1 Re8 17.Re5 Re6 18.Re6 Qc8–+) 16...Qd4 17.c3 Qc4 (better is 17...Qd3!?–/+) 18.d4= Qb3 19.ab3 Nd7 20.c4 Nd6 21.Nc3 a6 (21...Kf7!?=) 22.ba6+/– ba6 The passed pawn on c4 quickly leads to threats 23.Rfd1 Nf6 24.f3 a5 (24...Rfb8 25.Ra3+=) 25.c5+/– Nf5 26.d5 Ne3 27.Rd2 (27.Rd3 Rfe8+–) 27...Rfb8 (better is 27...Rfd8 28.d6 Rab8+/–) 28.d6 (better is 28.Re1!? Nfd5 29.Nd5 (worse is 29.Rd5 Nd5 30.Nd5 Rb3+=) 29...Nd5 30.Rd5 Rb3 31.Rd7+–) 28...Rb3= 29.Rc1 Rc8 30.Ne4 Ned5 31.c6+/– h6 32.d7+– Nd7 33.Rd5 Nf8 34.Ra5 Rb6 35.Rac5 Ne6 36.R5c4 Rc7 37.Nd6 Nd8 38.Nf5 Kf7 39.Rd1 Kf6?? 40.Ng7 Kg7 41.Rd8 Rcc6 42.Rc6 Rc6 43.Rd5 Kg6 44.Kh2 (44.Kh2 Rc2 45.f4+–) 1–0. Sternik,Ryszard – Roczniak,Jan, corr Poland, 1991.

5.h4 Nf6 6.Nf3 Nbd7 7.Ng5 (7.ed4!? ed4 8.Bc4+=) 7...h6–/+ 8.Nf7? (better is 8.Nh3–/+) 8...Kf7–+ 9.Bc4 Ke8 10.0–0 Nb6 11.Be2 h5 (11...Be6 12.h5–+) 12.a4 Be6 13.f4 ef4 14.Rf4 (14.ed4 Bd6–+) 14...Nbd5 15.Rf6 (15.Rf1 Ng4 16.Qe1 de3 17.de3 Nge3 18.Bf3–+) 15...Nf6 (15...Qf6!? 16.Qe1–+) 16.ed4 cd4 17.Na3 (17.Qe1 Kf7–+) 17...Bc5 18.Bf3 Ng4 19.Qe1 Kf7 (19...d3 20.Kh1 Nf2 21.Kg1–+) 20.d3 Qc7 21.Bg4 hg4 22.Qf2 Kg8 23.g3 (23.Bd4 Bd4 24.Qd4 Rh4–+) 23...Rf8 24.Qe1 Rh6 (24...Qd6 25.Kg2–+) 25.a5 (25.Bc1 Rhf6 26.Bg5 Bb4–+) 25...Rf3 26.Kg2 Rhf6 27.Nc4 Rf2! 28.Qf2 Rf2 29.Kf2 Bc4 30.dc4 d3 (30...Qf7 31.Kg2–+) 31.Kg2 Qe7 32.Rf1 Qe2 0–1. Roell,Uwe – Kloos,Gerhard, Bochum Post op, 1990.

5.Qh5 Bd6 =.

4.e3 Bc5

5.ed4 Bd4 6.Bd4 Qd4 7.Nc3 Bg4 8.Be2 Be2 9.Nge2 (worse is 9.Ke2 Nf6+=) 9...Qg4 10.0–0 Nf6 11.h3 Qf5 12.Ng3 Qg5 13.Nge4 Ne4 14.Ne4 Qf4 15.Nc5 Qc4 (15...Nd7 16.Nd7 Kd7 17.a4=) 16.d4 0–0 (16...ed4? 17.Re1 Kd8 18.Nb7 Kc8 19.Qf3+–; 16...Qd4 17.Qd4 ed4 18.Rfe1 Kd8 19.Nb7 Kc8 20.Nc5+/–) 17.Qd3 Qd3 18.cd3 b6 19.Nb3 ed4 20.Rfe1 (20.Rfc1!? Rc8 21.Rc2=) 20...c5+= 21.Re7 Rd8 22.Rae1 Kf8 23.Rb7 (23.a4!?–/+) 23...Rd7–+ 24.Rd7 Nd7 25.f4 a6 26.a4 (26.ba6 Ra6 27.Nc1 Ra3–+) 26...ab5 27.ab5 Ra2 28.Ra1 Rb2 29.Ra3 Nf6 30.Nc1 Rb1 (30...Rb5?! 31.Kf2–+) 0–1. henkf (1660) – fatt74 (1750), gameknot.com, 2012.

5.e4 Nf6–/+ 6.f3 (6.Bd3 0–0–/+) 6...Bd7 7.c3 (7.Ba3 Qe7 8.Qc1 a6 9.Bc5 Qc5–/+) 7...c6 (7...Ne4 8.cd4 Qh4 9.g3 Ng3 10.hg3 Qh1 11.dc5 Qg1 12.Qe2 Qg3 13.Kd1–+) 8.a4 (8.cd4 ed4 9.Qb3 Qb6+=) 8...Nh5 (8...Ne4!? 9.cd4 Qh4 10.g3 Ng3 11.hg3 Qh1 12.dc5 Qg1 13.Be5 0–0–+) 9.g3+= a6 10.ba6 ba6 11.Na3 Be6 12.Nc4 Nd7 13.f4 (13.cd4 ed4 14.Qc2 Nhf6+=) 13...Nhf6 (13...d3 14.Bd3 Nf4 15.Bf1 Bc4 16.Bc4 Bg1 17.Rg1–/+) 14.cd4+= ed4 15.e5 Nd5 (15...Ne4 16.Bd3 f5 17.Nf3+=) 16.Ba3 (16.Nf3 Bg4=) 16...Ba3 17.Ra3 0–0 18.a5 (18.Nf3 Nb4=) 18...Nc5 (18...Qe7 19.Qc1–/+) 19.Nf3 Ne4 (19...d3 20.Qc1 Nb4 21.Ne3+=) 20.Bd3 (20.Nd4 Nf4 21.Nc6 Qe8=) 20...Nc5 21.Nb6? (better is 21.Bb1 Bg4 22.Nd6=) 21...Nb6–+ 22.ab6 Qb6 23.Ke2? (better is 23.Qc2 Nd3 24.Qd3–/+) 23...Nd3 24.Kd3 (24.Rd3 Bc4–+) 24...Bf5 (better is 24...Qb5 25.Kd4 Qb4 26.Ke3 Qa3 27.Kf2 Bd5–+) 25.Ke2 d3 26.Kf1 Qc5 27.Rc3 Qb5 28.Nd4 Qd5 29.Nf3 Bg4 30.Kg2 f6 31.Re1 c5 32.Re3 c4 33.ef6 Rf6 34.Qa4? Bf3 35.Rf3 Rc8 36.g4? Rf4 37.Qd1 Rg4 38.Kf1 Qd4 39.Re3 Rf8 (39...Rf8 40.Qf3 Rf3 41.Rf3 Rg1#) 0–1. Feiertag,Manfred (1770) – Luebbe,Hermann (1870), remoteschach.de, 2008.

5.Nf3= de3!? 6.fe3 f6 +=.

5.Nf3 de3 6.fe3 Bg4 7.Be5+/– f6 8.Bg3 Ne7 9.Be2 a6 10.0–0 ab5 11.Bb5 c6 12.Be2 Nf5 13.Bf2 Nd7 14.d4 Bd6 15.h3 (15.Nbd2 Ne7+/–) 15...Bf3 16.Bf3 Qe7 Attacks the backward pawn on e3 (16...Bb8!? 17.Qd3 Qc7+/–) 17.Qd3 White prepares the advance d5 17...g6 18.g4 (18.e4 Ng7+–) 18...Ng7 19.c4 White plans d5 19...Bb8 20.Qe2 (20.c5+/–) 20...c5? (better is 20...h5 21.Qc2 Nf8+=) 21.d5?? (better is 21.Bb7 Ra7 22.Qf3+–) 21...Qe5–+ 22.Be1 0–0 (better is 22...Qa1 23.Nc3 Be5–+) 23.Bc3+/– Qg3 24.Qg2 Qh4 25.Be1 Qg5 26.Qe2 Ne5 27.Bg2+/– h5 28.h4?? Qg4–/+ 29.Qg4 Ng4 30.Bd2 Nf5 31.Bh3 Bh2–+ 32.Kg2 Nh4 33.Kh1 Be5 34.Nc3 Ra3 35.Bg4 hg4 36.Rac1 Nf3 37.Nb1 Nd2 38.Na3 Nf1 39.Rf1 f5 40.Re1 Kg7 41.Kg2? g5 42.Kf2 Rh8 43.Rg1? Rh2 44.Kf1? Ra2 white resigned.. . . . (44...Ra2 45.Nb5 Rc2–+) 0–1. cmulligan (2190) – mi (2130), net–chess.com, 2012.

5.Nf3 e4 6.Nd4+/– (worse is 6.ed4 ef3 7.dc5 (7.Qf3 Bb6 8.Bc4 Nf6 9.Qe3 Qe7 10.a4 a5 11.0–0 Qe3 12.fe3 Be6) 7...Qe7 8.Be2 fe2 (8...Qe2?? 9.Qe2 fe2 10.Bg7+–) 9.Qe2 f6–/+ (9...Qe2 10.Ke2 Ne7 11.Bg7 Rg8 12.Be5 Rg2) 10.Nc3 Qe2 11.Ne2 Ne7 12.0–0 Kf7) 6...Bd4 (6...Nf6!?+/– 7.d3 0–0 8.Nd2 Bg4 9.Be2 Be2 10.Qe2 ed3 11.Qd3 Nbd7 12.Nf5 a6) 7.Bd4+– (7.ed4?! Nf6+/– 8.d3 Bf5 9.de4 Ne4 10.Bd3 0–0 11.0–0 Nd6 12.Bf5 Nf5) 7...b6?? (better is 7...Nf6+– 8.Nc3 0–0 9.Bf6 Qf6 10.Ne4 Qg6 11.Qf3 Re8 12.Bd3 Nd7) 8.Bg7 f6 (8...Qg5 9.Bh8 Bg4 10.Qc1+–) 9.Qh5 Ke7 10.Bh8 Qf8 (10...h6 11.Nc3 Be6 12.Ne4+–) 11.Qd5 (better is 11.Qh7 Kd8 12.Qe4 c6 13.bc6 Kc7+–) 11...Nh6 (11...c6 12.bc6 Be6 13.Qe4+–) 12.Qa8 Qh8 13.Qb8 Ng4 14.Qc7 Bd7 15.Nc3 f5 16.Qa7 Qf6 17.Nd5 (17.Nd5 Ke8 18.Nf6 Nf6 19.Qb6+–) 1–0. pierre – duttons, internet, 2010.

5.Nf3= f6 6.Nd4+/– ed4 (6...Qd4 7.ed4) 7.Qh5+– A double attack 7...g6 8.Qc5 de3 9.Qe3 Qe7 10.Bc4 Qe3 (10...a6 11.Nc3 ab5 12.Nb5+–) 11.fe3 Nd7 12.0–0 (12.Rf1 a6+–) 12...Ne5 (12...a6 13.Nc3+–) 13.Bb3 (13.Bg8 Rg8 14.Rf6 Nd7+–) 13...Bd7 14.Nc3 0–0–0 15.d4 Ng4 16.e4 Ne3 (16...Re8 17.h3 N4h6 18.e5+–) 17.Rf3 Ng4 18.Raf1 (18.Bg8 Rhg8 19.h3 Nh6 20.Rf6 Rgf8+–) 18...f5 (18...N4h6 19.e5 Bg4 20.R3f2+–) 19.e5 Kb8 (19...Re8 20.h3 N4h6 21.Re1+–) 20.h3 N4h6 21.e6 Be8 (21...Bc8 22.b6! ab6 23.Nb5+–) 22.Bc1 Ne7 (22...Rd4 23.Be3 c5+–) 23.Bh6 c6 (23...a6 24.a4 Rd6+–) 24.Bg5 cb5 (24...Rd4 25.Be7 Rg8 26.Bc5+–) 25.Be7 Rd4 (25...Rc8 26.Bf6 Bc6 27.d5+–) 26.Bf6 (26.Bf6 Rd2 27.Bh8+–) 1–0. Cirulis,Ilmars – Hess,Volker, FICGS, 2006.

5.Nf3 Nf6 6.Ne5 0–0 7.Bc4 Nbd7 8.ed4 Bd6? (8...Ne5!? 9.de5 Bd4 10.Bd4 Qd4=) 9.f4 Be5 (9...Nb6!? 10.Bb3 a6 11.ba6 Ra6+/–) 10.de5 Qe8? (better is 10...Nb6 11.Be2 Ne4+–) 11.0–0 Ne4 12.d3 (12.Qe2 Ndc5+–) 12...Nec5 13.Nd2 (13.Ba3 a6 14.d4 ab5 15.Bb5 c6+–) 13...b6? (13...a6 14.ba6 Na6 15.f5+–) 14.Nf3 (14.d4 Nb7+–) 14...Bb7 (14...a6 15.a4 Bb7 16.d4 ab5 17.ab5 (17.dc5?! bc4 18.cb6 cb6+/–) 17...Ra1 18.Qa1+– (worse is 18.Ba1 Ne4+–)) 15.Ng5 (better is 15.d4!? Ne4+–) 15...h6 16.Nh3 Rd8 17.Qg4 Ne6 (17...Na4 18.Bd4 Qe7+–) 18.f5 Ne5 (18...Bd5 19.Bd5 Ne5 20.Be5 Rd5 21.Bg7 Ng7 22.f6 Qe3 23.Rf2+–) 19.Be5 (19.Be5 Ng5 20.Rfe1+–; 19.fe6?! Ng4 20.ef7 Rf7 21.Rf7 Qf7 22.Bf7 Kf7 23.Rf1 Nf6 24.Bf6 gf6+/–) 1–0. averoes (2445) – naskme (2085), net–chess.com, 2011.

5.Nf3 Nf6 6.Ne5 0–0 7.Be2 de3 8.fe3 Re8 9.Nf3 Bf5 10.0–0+/– Nbd7 11.Nd4 Bg6 12.Nb3 Bd6 13.c4 c6 14.a4 Qc7= 15.h3 Rad8 16.Bd4 c5 17.Bc3 Ne4 18.Re1?? Bh2 19.Kh1 Nf2 0–1. klafka – dyeda, Live Game Caissa's Web, 2004.

5.Nf3 Bg4 6.h3 de3 (6...Bf3 7.Qf3 (worse is 7.gf3 Nf6+=) 7...c6 8.Qe4+=) 7.fe3+= Bh5 (7...Be6 8.Be5 (worse is 8.Ne5 Qh4 9.Ke2 f6=) 8...Nf6 9.d4 Bb4 10.c3+/–) 8.Be5+/– f6 9.Bb2 (9.Bh2 a6+/–) 9...Qd7 (9...Bd6 10.Kf2+/–) 10.Nc3 Ne7 11.Ne4 Bd6 (11...Qd5 12.Nc5 Qc5 13.Bd3+/–) 12.Qe2 (12.Bf6!? Nf5 13.Bc3 Ng3 14.Nd6 Qd6+–) 12...0–0 13.0–0–0 (13.Qf2 a6+/–) 13...Bg6 14.Nd6 Qd6 (14...cd6 15.Nd4+=) 15.d4 (15.e4 Qd8+/–) 15...Nd5 (15...a6!?+=) 16.e4+/– Qf4 17.Kb1 (better is 17.Nd2 Re8 18.g3+=) 17...Ne3?? (17...Be4 18.Re1 Re8 19.Ne5=) 18.Rd2 (better is 18.Bc1 Qe4 19.Be3+–) 18...Be4 19.Ba3 (19.Bc1 Rf7=) 19...Re8 20.Ne1 (20.Bc1 Kf8+=) 20...Nc2 0–1. islanderfan (1995) – lfcanales, net–chess.com, 2012.

5.Qh5 Qe7 6.Nf3 Nd7 7.Be2 =.

5.Qh5 Qf6 6.ed4 (6.f4 Qf5 7.Qf5 Bf5=) 6...ed4?? (better is 6...Bd4 7.Bd4 ed4=) 7.Qc5+– (7.Qc5 Qe7 8.Qe7 Ne7 9.Bd4+–) 1–0. tit1 – SarahThompson6, Caissa's Web, 2004.

4.e3 c6

5.ed4 ed4!? 6.Nf3 Qe7 7.Be2 d3 8.cd3 Bg4 =.

5.ed4 Qe7 6.Qe2 cb5 7.de5 Bd7 8.Nf3 Nc6 9.Nc3 a6 10.Nd5 Qc5?? 11.Nc7+– Kd8 12.Na8 Qc2 13.Qd3 Qb2+/– 14.Rb1 Qa2 15.Nb6 Bc5?? 16.Qd7# 1–0. daSplash – kilmer49, Live Game Caissa's Web, 2004.

5.Nf3 cb5? 6.Ne5+– Nc6 7.Bb5 (better is 7.ed4 Qd5 8.Nc3 Qd4 9.Nf3+/–) 7...a6 (better is 7...Qd5 8.Qf3 Qf3 9.gf3 de3 10.de3 Nge7+–) 8.Bc6 bc6 9.0–0 (better is 9.Bd4 Nf6 10.Qf3+–) 9...Qd6 (9...Bd6 10.ed4 Ne7 11.Nc3+–) 10.Bd4 (10.ed4 Rb8 11.Ba3 Qd4+–) 10...c5 (10...Nf6 11.d3+–) 11.Bc3 Nh6 (11...Nf6 12.Na3+–) 12.Na3 f6 13.Qh5 Ke7 (13...g6 14.Qf3 Rb8+–) 14.Qf3 Rb8 (14...fe5 15.Qa8 Be6 16.Qa7 Qd7 17.Qa6+–) 15.Nc6 Kf7 (15...Kd7 16.Nb8 Qb8+–) 16.Nc4 Qc7 17.Ba5 Qb7 18.Nd8 (18.Nd8 Kg8 19.Nb7 Bb7 20.Qf4+–) 1–0. pierre – tiugm, internet, 2010.

4.e3 de3

5.de3 Qd1 6.Kd1 Bf5 7.Bd3 e4 8.Bc4 Nf6 9.Ne2 Be7 10.Ng3 Bg6 11.Nd2 Nbd7 12.h4 h6 13.h5 Bh7 14.Ke2 0–0 15.Rad1 Ne5 16.Be5 1–0. toffie62 (1790) – ulla (1690), gameknot.com, 2014.

5.fe3 e4 6.g3 Nf6 7.Bg2 c6 (7...Nbd7 8.Nh3+=) 8.a4 (8.bc6 Nc6 9.Bf6 Qf6=) 8...Bd7 (8...Nbd7 9.Ne2=) 9.Nc3 (9.Bf6 Qf6 10.Nc3 Qe5+=) 9...cb5 10.Ne4 Ne4 11.Be4 Bc6 12.Bc6 bc6 (12...Nc6 13.Ne2=) 13.Ne2 f6 14.0–0 Bd6 (14...b4 15.Nf4 Qd7 16.Bd4+=) 15.Nf4 (15.ab5!? cb5 16.Nd4+–) 15...Bf4+= 16.Rf4 0–0 17.ab5 cb5 18.Rb4 (18.Qf3 Nd7 19.Qd5 Rf7 20.Bc3+/– (20.Qb5 Rb8 21.Qd3 Rb2–/+)) 18...Qd5= 19.Rd4 Qb7 20.Qg4 f5 21.Qg5 Nc6 22.Rd5 Na5?? (better is 22...b4+/–) 23.Rb5+– (23.Rb5 Qd7 24.Rba5+–) 1–0. Kochukova,Galina – Nekrasova,Tatyana, Angarsk (Women) op, 2007.

5.fe3 Qh4 6.g3 =.

4.e3 Nf6

5.c4 dc3 6.Bc3 a6 (6...Bd6 7.d4 e4 8.Nd2+=) 7.a4 (7.Be5 ab5 8.Bb5 c6+=) 7...ab5 (7...Bd6 8.d4 e4 9.Nd2+=) 8.Bb5 c6 9.Bc4 Be7 (9...Bd6!?+=) 10.Qb3 Be6? (better is 10...0–0 11.Be5 Nbd7=) 11.Be6+– fe6 12.Qe6 (12.Qb7 Nbd7 13.Qc6 Rc8+–) 12...Nd5 (better is 12...Nbd7!? 13.d4 ed4 14.Bd4 Ra6 15.Bf6 Nf6+=) 13.Qe5 Nc3 14.Qg7?? (14.Qc3 Na6 15.Nf3+/– (15.Qg7?! Bf6 16.Qb7 Ba1=)) 14...Bf6+= 15.Qb7 Nd7?? (better is 15...Ra4 16.Ra4 Na4=) 16.Nc3+– (16.dc3?! Ne5 17.Qb3 Nd3 18.Kf1 Nc5+–) 16...0–0 17.Qc6 Ne5 18.Qd5 (better is 18.Qe6 Kh8 19.Nh3+–) 18...Nf7 (18...Qd5 19.Nd5 Nd3 20.Ke2 Ba1 21.Kd3 Ra4+–) 19.Qd8 Rfd8 20.Nf3 (20.d4 Kf8+–) 20...Rd7 (20...Bc3 21.dc3 Ra5 22.Ke2+–) 21.Ra3 (21.d4 Kf8+–) 21...h6 (21...Bc3 22.dc3 Rda7 23.Ke2 Ra4 24.Ra4 Ra4 25.Nd2+–) 22.0–0 (22.d4 Ng5+–) 22...Ne5 (22...Rd3 23.Rc1+–) 23.Ne5 Be5 24.f4 (24.d4 Bc7+–) 24...Bf6 (24...Bc3 25.dc3 Rd2 26.g4+–) 25.Rb1 (better is 25.d4 Kf7+–) 25...Rd2 26.Ne4 Re2 27.Nf6 Kg7 28.Nd5 Rd8 29.Ne7 Kf7 30.Nf5 Kg6 31.Nd4 Rd2 32.a5 h5 33.a6 Ra8 34.Rb6 Kf7 35.Rb7 White plans a7 35...Kg6 36.a7 Rc8 37.Ra6 Rc6 38.Rc6 1–0. lindsey000 – raven_king, gameknot.com, 2013.

5.c4 de3 6.fe3 e4 7.Nc3 +=.

5.d3 b6 6.ed4 ed4 7.Nf3 Bd6 (7...Bb4!? 8.Nbd2 c5+=) 8.Bd4 (8.Nd4 a6+=) 8...0–0= 9.Bf6 (9.Be2!?=) 9...Qf6+= 10.Be2?? (10.Nbd2 a6+=) 10...Bd7 (10...Qa1 11.a3–+) 11.0–0?? (11.d4=) 11...Bc5 (better is 11...Qa1 12.d4 Qa2–+) 12.Nbd2 (12.d4 a6+=) 12...Bb5 13.c4 (13.Ne4!? Qf5 14.Nc5 Qc5 15.Re1+=) 13...Bc6+= 14.Nb3 Nd7 15.Nc5 bc5 16.Qd2 Rfe8 17.Rab1 Ne5 (better is 17...Re7=) 18.Kh1?? (better is 18.Ne5 Re5 19.Rfe1=) 18...Nf3–+ (worse is 18...Bf3 19.Bf3 Nf3 20.Qa5–+) 19.Bf3 Bf3 20.gf3 (20.Rfe1 Bc6 21.f3–+) 20...Rad8 (better is 20...Qf3 21.Kg1 Re6–+) 21.Rbe1 (21.f4 Qc6 22.f3 Rd4–/+) 21...Re1 (21...Qf3 22.Kg1–/+) 22.Re1–/+ h6 (22...Qf3 23.Kg1–/+) 23.Qe2 g5 (23...Qd6–/+) 24.Qe7? (24.Qe4 Rd4 25.Qa8 Kg7+=) 24...Qd6 (better is 24...Qf3!? 25.Kg1 Rd4–/+) 25.Qd6 (25.f4 g4=) 25...cd6 (25...Rd6 26.Re5+=) 26.Re2 (26.Re7 d5=) 26...f5 (26...d5 27.Re5+=) 27.Kg2 Kg7 (27...Kf7 28.f4+=) 28.Re7= Kg6 29.Ra7 Rb8 30.Ra6+/– Rb2 31.Rd6+– Kh5 32.a4 Rb3 33.a5 f4 34.a6 Ra3 35.Rd5 Ra6+/– 36.Rc5 Rd6 37.Rd5 Rg6 38.c5 Rc6 39.d4 Re6 40.Rd6 Re2 0–1. yannigator (1920) – alctay (1720), net–chess.com, 2010.

5.d3 c5!? +=.

5.ed4 ed4 6.Nf3 c5 =.

5.ed4+= ed4 6.Nf3 Bc5 7.c4? (7.Qe2 Kf8=) 7...b6 (better is 7...0–0 8.Be2 d3–/+) 8.Qe2= Be6 9.Ng5 Qd6 10.Ne6 fe6 11.a4 Nbd7 12.g3 0–0 13.Bg2 (13.f4 a6=) 13...Rad8 (13...d3 14.Qd1 Rae8 15.a5+=) 14.d3 Ne5 (14...Bb4!? 15.Nd2 Nc5+=) 15.0–0+= g5 (15...c6+=) 16.f4 (16.Nd2 Bb4+=) 16...gf4+= 17.Rf4 (worse is 17.gf4 Nc4 18.Bc1 Ne3–/+) 17...Nc4 18.Kh1 (18.dc4 d3 Theme: Double Attack) 18...Ne3 19.Na3 Ng2 20.Kg2 Qd5 (20...e5 21.Rf5 Rde8 22.Nc4 Qd5 23.Kg1 Qc4 24.Rf6 Rf6 25.Qg4 (25.dc4?? d3 26.Kg2 de2–+) 25...Rg6 26.Qg6 (26.dc4 Rg4 27.Rd1 d3 28.Kh1 Re4–+) 26...hg6 27.dc4 d3 28.Kg2–+) 21.Kg1 Bd6 22.Rh4 (22.Rf2!?+=) 22...e5–/+ 23.Nc4 Rde8 24.Nd6 (24.Rf1 c5–/+) 24...cd6 (worse is 24...Qd6 25.Ba3 c5 26.bc6 Qc6 27.Bf8 Kf8 28.Rh6+/–) 25.Qg2 (25.Rf1 Qe6–/+) 25...Qb3 26.Qd2 Re7 27.Bc1 Nd5 28.Rg4 Kh8 29.Ba3 Re6 (29...Qa4 30.Qb2 Ne3 31.Bd6 Ng4 32.Ra4+–) 30.Rf1?? (better is 30.Bb2–+) Rf1 (30...Rf1 31.Kf1 Ne3 32.Ke2 Ng4–+) 0–1. Zimmer,Georg – Fehr,Wolfgang, corr SOK–90–66, 1990.

5.ed4 ed4 6.Nf3 Bg4 7.Bd4?? (better is 7.Qe2 Be7 8.h3 Bf3 9.Qf3=) 7...Bf3–+ 8.Qf3 Qd4 9.Nc3 c6 10.Be2 Bd6 11.0–0 0–0 12.a4 (12.Rad1 Re8–+) 12...Qd2 13.Rad1 Qf4 Do you see the mate threat? 14.g3 Qf3 15.Bf3 Bc5 16.Nb1 (16.g4 h6–+) 16...a6 17.c4 ab5 18.ab5 cb5 19.cb5 Ra5 20.Bb7 Rb5 21.Bf3 Bb4 22.Rd4 Rb6 23.Rfd1 Bc5 24.Rc4 Nbd7 25.Kg2 Rb2 26.Rf1 (26.Nd2 Rfb8–+) 26...Bf2 27.Rf2 Rb1 28.Re2 Rb5 29.Ra4 Rfb8 30.Raa2 g6 31.Rac2 Ne5 32.h3 (32.Rc7 Kg7–+) 32...Nf3 33.Kf3 Rf5 (better is 33...Rb3!? 34.Kf2–+) 34.Kg2 Rfb5 (34...Rb3 35.Rb2 Rb2 36.Rb2–+) 35.Ra2?? (35.Kf3 Rb3 36.Kf2–+) 35...Nh5 36.Rf2 f5 37.g4 Ng7 38.Ra4 fg4 39.hg4 Rb2 40.Raf4 Rf2 41.Rf2 Ne6 42.Rf6 Re8 43.Kg3 Kg7 44.Rf2 Rf8 45.Re2 Ng5 46.Re3 h6 47.Kg2 Rb8 48.Rc3 (48.Kg3 Kf6–+) 48...Rb4 49.Rc7 Nf7 50.Kg3 g5 51.Kh3 Rf4 52.Ra7 Kg6 53.Ra6 Rf6 54.Ra5 Nd6 55.Re5 h5 56.Kg3 (56.gh5 Kh5 57.Kg2 Kh4–+) 56...hg4 57.Kg4 Rf4 58.Kh3 Kh5 59.Re1 g4 60.Kg2 Nf5 61.Re5 Kh4 Black plans g3 62.Re8 Ng7 63.Re3 Nh5 64.Re2 g3 65.Rc2 Ra4 66.Rb2 Nf4 67.Kg1 (67.Kf3 g2 68.Rg2 Ng2 69.Ke2–+) 67...Ra1 68.Rb1 Rb1 0–1. Lengton – Hotting,Arend, HHC pionier, 1988.

5.ed4 Bg4? 6.Be2 Bf5 (6...Be2!? 7.Qe2 e4+/–) 7.de5+– Ne4 8.d3 Nf2? (better is 8...Nc5+–) 9.Kf2 Qh4 10.g3 Qb4 11.Bc3 Qb5 12.d4 Qc6 13.Nf3 Nd7 14.Nh4 (14.Rf1 Rd8+–) 14...Be4 (14...Bc2 15.Qc2 Qh1 16.Nf3 Ne5 17.Qe4+– (17.Ne5?! Qh2 18.Kf3 Qh1 19.Ke3 f6+–; 17.de5?! Bc5 18.Bd4 Bd4 19.Nd4 Qh2 20.Kf3 0–0–0+/–)) 15.Bf3 Bf3 16.Nf3 0–0–0 17.Qd2 (17.Rf1 f6 18.ef6 Nf6+–) 17...f6 (better is 17...Ne5 18.Ne5 Qh1+–) 18.Na3?? (better is 18.ef6 Nf6 19.Qd3+–) 18...fe5 (better is 18...Ba3 19.Rhe1 Rhe8–/+) 19.Ne5?? (better is 19.Bb2 Nf6 20.Ne5 Qh1 21.Rh1 Ne4 22.Ke3 Nd2 23.Rd1 Ba3 24.Ba3 Rd4 25.Kd4 (worse is 25.Rd2 Ra4 26.Bb2 Ra2+=) 25...Rd8 26.Ke3 Nc4 27.Nc4 Rd1 28.Bb2+=) 19...Ne5–+ 20.de5 (20.Rhe1 Ng4 21.Kg1 Ba3 22.h3–+) 20...Rd2 21.Bd2 Ba3 22.Be3 Rf8 23.Ke2 Qc4 24.Kd2 Bb4 25.Kc1 Qe4 26.Bd2 Qh1 27.Kb2–+ Qh2 28.Bb4 Rf2 29.Rc1 Qg3 30.Bc5 Qe5 31.Kb3 Qc5 32.c4 a5 33.a4 Qb4 0–1. OutOfBounce – vello01, Live Game Caissa's Web, 2005.

5.Nf3 de3 6.fe3 (6.Be5 ef2 7.Kf2 Ng4 8.Kg3 Ne5–/+) 6...e4 7.Nd4 c5 (7...Bd6 8.Nc3+=) 8.bc6 Nc6 9.Bb5 Bd7 (9...Qc7 10.0–0+=) 10.0–0= Be7 11.Nc6 bc6 12.Bc4 0–0 13.Nc3 Qa5 14.Rf4 Rab8 (14...Qb4 15.Bb3 Bd6 16.a3+=) 15.Bb3 (15.Rb1 Be6 16.Be6 fe6 17.Qe2= (17.Ne4? Ne4 18.Re4 Qa2–+)) 15...Qe5 (better is 15...Bf5!?=) 16.Rb1+/– Qg5 17.Ne4 Ne4 18.Re4 Bf5?? (better is 18...Bd6+/–) 19.h4+– Qg3 (19...Qg2 20.Kg2 Be4 21.Kg1+–) 20.Re7 Qh4 21.Ra7 Bg6 (21...Be4 22.Qf1 Bd5 23.Qf4 Qf4 24.ef4+–) 22.Qf3 c5 23.Qf4 Qf4 24.ef4 c4 25.Ba4 (25.Bc4 A deflection 25...Bc2) 25...Rb4 (25...Rfd8+–) 26.a3 (26.f5 Bf5 27.a3 Ra4 28.Ra4 Bc2 29.Rc4 Bb1+=) 26...Ra4 27.Ra4 Decoy theme: a4 27...Bc2 Theme: Double Attack 28.Rb4 (28.Rc4 Bb1 29.Rc7 Rd8+–) 28...Bb1+/– 29.Bg7 Kg7 30.Rb1 Ra8 31.Ra1 (31.Rb4 Ra3 32.Rc4 Rd3+=) 31...Kf6 32.Kf2 h5 33.a4 Ra5 (33...Kf5 34.g3+=) 34.Kf3 (34.Ke3 Rd5+/–) 34...Kf5 (34...Ke6 35.Ke4+=) 35.g3 (35.Ke3 Rd5+/–) 35...Rd5 (35...Ke6 36.Ra3+=) 36.Ke2 (36.Rc1 Rd4+/–) 36...Rd3 37.a5 Rg3 38.a6 Rg8 39.a7 Ra8 40.Kf3 Ke6 41.Kg3 (41.Ke4 h4+/–) 41...Kd5 (41...Kf5 42.Ra4+=) 42.Kh4+/– Ke4 43.Kh5 Kf5 The mate threat is Rh8 44.Kh6 Kf4 45.Rf1 Ke4 46.Rf7 Kd5 47.Kg6 Kc6 48.Kf6 Kb6 (48...Kd5 49.Kf5+–) 49.Ke6 Rd8 (49...Kc6 50.Ke5+–) 50.Rd7 Rc8 51.Kd5 Rc5 52.Kd4 Rc8 53.Kc3 Kc6 54.Rf7 (54.Rf7 Kd5 55.Rf5 Kc6 56.Ra5+–) 1–0. Algaba,Pedro – Fehr,Wolfgang, corr SOK–90–66, 1990.

5.Nf3 de3!? 6.de3 Qd1 7.Kd1 Ne4 +=.

5.Nf3 e4 6.Nd4+= c6 7.a4 c5 8.Nb3. pumpkin (2325) – jgrace, net–chess.com, 2009.

5.g3 Bc5 6.Qe2 (6.Bg2 0–0+=) 6...0–0 (6...Qd5 7.Qf3 e4 8.Qf4–/+) 7.e4 (7.Bg2 a6–/+) 7...c6 (7...a6 8.Nf3–/+) 8.a4 Nbd7 (8...a6 9.Ba3 Ba3 10.Ra3–/+) 9.d3 (9.Nf3 a6 10.bc6 bc6–/+) 9...Bb4 (9...Qb6 10.c3–+) 10.Nd2 (better is 10.c3!? Ba5 11.bc6 bc6 12.f4–/+) 10...cb5–+ 11.ab5 Nb6 (11...Qb6 12.Rb1–+) 12.Ba3 (12.f4 ef4 13.gf4 Bg4–+) 12...Bc3 (12...Ba3 13.Ra3 Qc7 14.f4–+) 13.Rb1 Re8 14.Ngf3 (14.Qd1 a6–+) 14...Bg4 (14...Be6 15.Kd1–+) 15.Bg2–/+ Qc7 16.0–0 Qd7 (16...a6 17.ba6 Ra6 18.Bc1–/+) 17.Bb4 (better is 17.Nb3–/+) 17...Bh3 (17...Bb4!? 18.Rb4 Rec8–/+) 18.Bc3 (18.Bh3 Qh3 19.Bc3 dc3=) 18...Bg2 19.Kg2 dc3 20.Nb3 (20.Nc4!? Nc4 21.dc4+=) 20...Qb5–/+ 21.Nbd4 Qd7 (21...Qc5 22.Rb5 Qc7 23.Nf5–/+) 22.Nf5 (22.Nb5 Na4 23.Qe1 Qc6+=) 22...Nc8 (22...Qc6 23.Rb3–/+) 23.Rfd1 (23.Qe1 Qc7=) 23...Nd6 (23...Qc6 24.Qe1–/+) 24.Ne3 (better is 24.Nd6 Qd6 25.Rb7=) 24...b5 25.d4 (better is 25.Qe1 Qc7 26.Rb3–/+) 25...Nc4?? (better is 25...ed4 26.e5 Qc6 27.Rd4 Re5 28.Rd6 Qd6 29.Ne5 Qe5 30.Qb5 Qe6–/+) 26.Nc4 (26.de5!? Qc6 27.ef6 Re4+–) 26...bc4+/– 27.de5 Ng4?? (better is 27...Qc6 28.ef6 Re4+–) 28.Rd7 1–0. MasterofDisaster – kolochary, Live Game Caissa's Web, 2004.

5.g3 de3 6.de3 Qd1 7.Kd1 –/+.

4.e4 Bc5

5.Bc4 Nf6 6.h3 Bd7 7.Ne2? Qc8 8.Ng3 g6 9.Ne2 a5 10.g4 Ne4–/+ 11.Ng3 Ng3 12.fg3–/+ a4 13.Qf3 c6?? 14.Qf7+– Kd8 15.Qg7?? Kc7?? 16.Qe5+– Bd6?? 17.Qe4 Re8–+ 18.b6 Kd8 19.Qe8 Be8 20.Bd4 Bg3 21.Kd1 Qd7 22.c3 Bf4 23.Re1 a3?? 24.Be6?? Qd6?? 25.Re4 c5 26.Bf6+– Qe7 27.Be7 Ke7 28.Bd5 Kd8 29.Bb7 Ra5 30.Rf4 Rb5 31.Na3 Rb6 32.Bf3 Ba4 33.Ke2 Re6 34.Kf1 Nd7 35.Nc4 Bc2 36.Na5 Bd3 37.Kg2 Ne5 38.Rf8 Ke7 39.Rf4 Nf3?? 40.Rf3 Be4 41.Re1 Bf3 42.Kf3 Re1+= 43.Nc6 Kd6=+ 44.Na5 Ra1 45.Ke4 Ra2–/+ 46.Nc4 Kc6 47.Ke5 Ra4 48.Nd6 c4 49.d4?? Ra3 50.d5= Kc5 51.Nb7?? Kb6–+ 52.Nd8 Rc3 53.d6?? Rd3 54.Ke6 c3 55.d7 Rd7 56.Kd7 c2 57.Ne6 c1Q 58.Nc7 (58.g5 h5!–+) 0–1. manofsteel3 – wolfman, Live Game Caissa's Web, 2005.

5.Bc4 Qh4 6.Qe2 =+.

5.Nf3 Qd6 6.Bc4 =+.

5.Nf3 Bg4 6.Be2 Bf3 7.Bf3 Qf6 8.0–0 g6 9.d3 Nd7 10.c3 h5 11.cd4+= ed4 12.Re1 Ne5 13.Nd2 Nd3=+ 14.e5 Qg5?? 15.Nc4?? Nf2?? 16.Kf2+– Qf4 17.e6 f6 18.g3 d3 19.Kg2?? Qc4= 20.Bf6?? Nf6–+ 21.Rc1 Qa2 22.Kh1 Ng4! 23.Bg4 hg4 24.Rc5 Qh2# 0–1. jorginho10 – quantum, Live Game Caissa's Web, 2007.

4.Nf3 Qd5

5.e3 de3 6.de3 Qd1 (6...Qd1 7.Kd1 f6=). Taulien,Christian (2110) – Baer,Cy (1895), remoteschach.de, 2007.

5.e3 de3 6.fe3 e4 7.Ne5 Nf6 8.Bc4+/– Qc5 9.Bf7 Ke7?? 10.Ba3 Qa3 11.Na3 g5 12.Qb1 a5 13.Qb2 c5 14.Qc3 b6 15.0–0 Bd7 16.Ng6! hg6 17.Qf6 1–0. Taulien,Hans_Juergen – Orion,Martin, remoteschach.de, 2002.

5.e3 Bg4 6.ed4 e4 7.Nc3 Qe6 8.d5 Qe7 9.d6 cd6 10.Nd5 Qd7 11.Qe2 f5 12.h3 Bh5 13.d3 Ne7 14.de4 fe4 15.Qe4 Bg6 16.Qe3 Rg8? 17.b6 Na6 18.Ba6 ba6 19.Nc7 Kd8 20.Na8 Nf5 21.Qb3 Bf7 22.b7 Qe7 23.Ne5! de5 24.b8Q Kd7 25.Q3b7 Ke6 26.Qe5# 1–0. ilmarinens (2285) – grahamtrue (2060), net–chess.com, 2007.

4.Nf3 Bd6

5.c3 dc3 6.Nc3 a6 7.d4 ab5 8.de5+/– Bb4 9.Qd8 Kd8 10.0–0–0 Bd7 11.Nb5 Ra2 12.e6! fe6? 13.Bg7+– Kc8 14.Kb1 Ra5 15.Nbd4 (15.Bh8?! Bb5 16.e4 Nd7+–) 1–0. pierre – qpkq, internet, 2010.

5.c3 dc3 6.Nc3 Nf6 7.e3 0–0 8.d4 e4 9.Nd2 Bf5 10.Be2 Re8 11.g4 Bg6=+ 12.h4 h6 13.g5 Nfd7 14.Bh5 Bf5 15.gh6 g6 16.Be2 Kh7 17.Qb3 Qf6 18.Nd5 Qd8 19.Nc7 Bc7 20.Qf7 Kh6 21.h5 Qf6?? 22.hg6 Kg5 23.Rh5# 1–0. Taulien,Hans_Juergen (2225) – Schollbach,Dieter (1750), remoteschach.de, 2003.

5.c3 dc3 6.Nc3 Nf6 7.e4 =.

5.c3 c5 6.bc6 Nc6 (6...dc3 7.Nc3 Nc6 8.Ne4=) 7.cd4+= ed4 (7...Qb6 8.Qb3 Qb3 9.ab3+=) 8.Nd4 Qf6 (8...Nf6 9.Nc6 bc6 10.Qc2+=) 9.e3 (9.Bc3 Qg6+=) 9...Be5+= 10.Bb5 Bd7 11.0–0 Qh6 (11...Nge7 12.Bc3+=) 12.f4+/– Bd4 13.Bd4 Nf6 (13...Nd4 14.Bd7 Kd7 15.ed4+/–) 14.Bc5 (14.Bf6 Qf6 15.Nc3 Rc8+/–) 14...Qg6 (14...Ne4 15.Qc2 Qg6 16.Ba3+/–) 15.d3 (15.Nc3 a6 16.Be2 Bf5+/–) 15...a6 (15...Qf5 16.Bc6 Bc6 17.Bd4+/–) 16.Ba4 (16.Bc6 Bc6 17.e4+/–) 16...Nd5 (16...b5!? 17.Bb3 Bg4+/–) 17.e4 (17.Qb3 Ne3 18.Be3 b5+–) 17...Nde7 18.d4 b5 (18...Bg4 19.Qd3+–) 19.Bc2 (19.Bb3 Bg4 20.Qd2 Qf6+–) 19...Rc8 20.Nd2 (20.Qd3 0–0+–) 20...Rc7 (20...Bg4 21.Qb1+–) 21.f5 Qg5 (21...Qh6 22.Kh1+–) 22.Nf3 (22.d5 Nd8 23.Bd4 Nb7+–) 22...Qe3 23.Kh1 Na5? (23...Rc8+–) 24.Ne5 1–0. Campos,Eugenio – Paranjpe,Prasad, Vancouver, 1985.

5.c3 c5 6.cd4 cd4 7.e3 de3 8.de3 Nd7?? 9.Bc4 Ngf6?? 10.0–0 Qe7 11.Nc3 0–0 12.Qb3 b6 13.Ng5 Nc5= 14.Qc2 h6?? 15.Nd5+– Nd5 16.Qh7 (16.Bd5?! Qg5 17.Ba8 Bf5+/–) 1–0. liencam2 – Zhabutti, Live Game Caissa's Web, 2005.

5.c3 c5 6.e4 Nf6 7.Qc2 0–0 8.Bc4 Bg4 9.Be2 Bc7 10.a4 Bf3 11.Bf3 d3 12.Qb3 a5 13.c4 b6 14.Ra3 Qe7 15.Qd3 Rd8 16.Qc3 Rd4 17.Qc2 Rd6 18.Nc3 Nbd7 19.Nd5 Nd5 20.cd5 Qg5 21.Re3 Rf8 22.g3 Nf6 23.h4 Qh6? (better is 23...Qg6 24.d3 Nd7+/–) 24.Be5+– Rd7 25.Bf6 (better is 25.d6 Bd6 26.Bd6 Rd6 27.e5+–) 25...Qf6+/– 26.Qc3 Be5 27.Qb3 Rfd8 28.Bg4 Rd6 29.f4 Bd4 30.e5 Be5?? 31.fe5+– Qg6 32.ed6 Qg4 33.Re7 Rf8 34.d7 Qd4 35.Re8 Qa1 36.Ke2 (36.Ke2 Qf6 37.d4+–) 1–0. Tiedemann,Joern (2020) – Baer,Cy (1790), RSS7E basic–36, 2011.

5.c3 e4 6.Nd4 c5 7.bc6 Nc6 8.Nc6 bc6 9.Qa4 Ne7 10.Qe4 Rb8 11.Qc2 Qb6 12.Bc1 Bf5 13.e4 Be6 14.Na3 Qa5 15.Nc4+– Bc4 16.Bc4 Qc5 17.d3 f5 18.Be3 Qa5 19.Bd4 Ba3?? 20.Bg7 Rb2 21.Qd1 Rf8 22.Qh5 Ng6 23.0–0 Qc7 24.Bf8 Bf8 25.ef5 Qa5 26.Rab1 Qc3 27.Rb2 Qb2 28.fg6 hg6 29.Qg6 Kd7 30.Qf5 Ke8 31.Re1 Be7 32.Qc8# 1–0. Taulien,Hans_Juergen (2225) – Brandl,Erwin (1650), RSX – Spendenturnier, 2004.

5.e3 a6 6.ed4+= ed4 (6...e4 7.Ne5+=) 7.Nd4 Qe7 8.Qe2 Bd7 9.Na3 Nf6 10.Qe7 Be7 11.Be2 c5 12.Nf3 0–0 13.0–0 Ne4 (13...ab5 14.Nb5 (worse is 14.Bb5 Ra3 15.Ba3 Bb5–/+) 14...Re8 15.Nc7+–) 14.Rfe1+/– Nd6 (better is 14...Re8!?+/–) 15.ba6+– Bf6 (15...ba6 16.Ba6 Re8 17.Be2+–) 16.ab7 Ra4 (16...Ra3 17.Ba3 Ba1 18.Bc5 (worse is 18.Ra1 Nb7 19.Rb1 Bc6+–) 18...Nb7 19.Bf8+– (19.Ra1?! Nc5 20.d4 Re8+=)) 17.Bf6 gf6 18.Nb1 Rb4 19.Nc3 Re8 (19...Rb7 20.Nd5+–) 20.Rab1 (better is 20.Nd5 Re2 21.Re2 Rb7+–) 20...Bc6 21.a3 (21.d4 Rb1 22.Rb1 cd4 23.Nd4 Bb7+–) 21...Rb7 22.Rb7 Bb7 23.Kf1 Nd7 24.a4 c4 (24...Ne5 25.a5+–) 25.Nb5 Nb5 26.ab5 Bd5 27.Nd4 Kf8 28.Bf3 Re1 29.Ke1 Bf3 30.Nf3 Ke7 31.c3 Kd6 32.d4 cd3 33.Kd2 Kc5 34.Kd3 Kb5 35.Kd4 Kc6 36.Nh4 Ne5 37.h3 Ng6 38.Ng6 fg6 39.f4 h6 40.g4 Kd6 41.c4 (41.c4 Kc6 42.c5+–) 1–0. Sternik,Ryszard – Roczniak,Jan, corr Poland, 1991.

5.e3 c5 6.bc6 Nc6 7.ed4 e4 8.Ne5 Be5 9.de5 Qg5 10.Qe2 Qf5 (10...Bf5!?+/–) 11.Nc3 Nd4 12.Ne4 (12.Qe4?! Nc2 13.Kd1 Na1 14.Bb5 Kf8 15.Ba3 Ne7=) 12...Nc2?? (better is 12...Ne2 13.Nd6 Kf8 14.Nf5 Bf5 15.Be2 Be4+–) 13.Kd1 Qd7 (13...Qg6 14.Kc2 Ne7 15.Kd1+–) 14.Kc2 Qa4 15.Kb1 Bf5 16.Qb5 Qb5 17.Bb5 Ke7 18.Ba3 Kd8 19.d3 a6 20.Ba4 b5 21.Nd6 Bd3 22.Kb2 Nh6 23.Rad1 ba4 24.Rd3 Rb8 25.Ka1 Kc7 26.Rc1 Kb6 27.Rdc3 Ka7 28.Rc7 Kb6 29.R1c6 Ka5 30.Nc4 (30.Nc4 Kb5 31.Rc5#) 1–0. Taulien,Hans_Juergen – Kirmse,Horst, remoteschach.de, 2003.

5.e3 c5 6.ed4 ed4 7.Be2 Nf6 8.0–0 0–0 9.c3 d3 10.Bd3 Bh2! 11.Nh2 Qd3 12.a4 Nbd7 13.Re1 Re8 14.Na3 Re1–+ 15.Qe1 c4 16.Qe7 Nb6 17.Re1 Be6 18.Nf3 Qd7 19.Qb4 h6 20.a5 Nfd5 21.Ne5 Nb4 22.Nd7 Nd3 23.Re6 Nb2?? 24.ab6? fe6–/+ 25.Ne5 ab6 26.Nac4 Ra2 27.Nb6=+ Na4 28.Na4 Ra4 29.c4 Ra1 30.Kh2 Ra2 31.Nf3 Rc2 32.d3 Rf2 33.Kg1 Ra2 34.Ne5 Kf8 35.d4 Rd2 36.Nf3 Rc2 37.c5 Ke7 38.Ne5 Rd2 39.Nf3 Rc2 40.Ne5–+ g5 41.c6? bc6 42.Nc6? Rc6 43.bc6–/+ Kd6 44.c7 Kc7 45.Kf2 Kd6 46.Ke3? Kd5 47.Kd3 h5 48.Ke3 h4 49.Kd3 g4 50.Ke3 h3 51.gh3 gh3 52.Kf3 Kd4 53.Kg3 Kd3 54.Kh3 e5 55.Kg3 e4 56.Kf2 Kd2 (57.Kg3 e3–+) 0–1. Kelch,Henk (1750) – van Haastere,Rob (1705), The Netherlands, 2004.

5.e3 de3 6.de3 Bg4 7.Be2 Bf3 8.Bf3+/– c6 9.0–0 Nf6 10.Nc3 0–0 11.bc6 Nc6 12.Nd5 Nd5 13.Bd5+= Ne7 14.Bb3 Qc7 15.Qh5 a5 16.f4 e4 17.Bg7?? Kg7–+ 18.Qg5 Kh8 19.Qf6 Kg8 20.c4 Qb6 21.Kh1 Ra6 22.Rac1?? Qc5 23.Qg5 Kh8?? 24.Qc5?? Bc5–+ 25.Bc2 Nf5 26.Be4 Ne3 27.Rf3 Rg8 28.Rh3 f5 29.Bd5 Rg7 30.Rb1 Ng4 31.g3? Nf2 32.Kg2 Nh3 33.Kh3 b6 34.Be6 Re7 35.Bf5 Re2 36.Rd1 Ra7 37.Rd8 Kg7 38.Bg4 Ra2 39.f5 Bg1 40.f6 Kf6 (41.Rd6 Ke7 42.Re6 Kf7–+) 0–1. dale4 – Kvile3, Live Game Caissa's Web, 2005.

5.e3 Bg4 6.Be2 de3 7.Ne5 (7.de3 Nd7=) 7...ef2 8.Kf1 Be2 9.Qe2 Be5 (9...Ne7!?=) 10.Qe5+/– Ne7 11.Kf2 f6 12.Qe4 c6 13.Re1 Qd7?? (better is 13...cb5 14.Qb7 Nd7+/–) 14.Ba3+– 0–0 15.Qe7 (worse is 15.Be7 Re8 16.a4 cb5 17.ab5 Qb5+–) 15...Qf5 16.Kg1 Nd7 17.d3 (17.bc6 bc6 18.Nc3 Rf7+–) 17...Ne5 (17...cb5 18.Nc3+–) 18.Nd2 (18.bc6 bc6 19.Rf1 Qg4+–) 18...Rf7 19.Qb4 cb5 20.Qb3 h5 (20...Rc8 21.Ne4 Qg6 22.Kh1+–) 21.Rf1 Qg5 (21...Qd7 22.Bb2 Re8 23.Rae1+–) 22.Ne4 Qe3 23.Kh1 Kh7 24.Rae1 Qb6 25.Bb2 (25.Bd6 Rd7 26.Be5 fe5 27.Ng5 Kh6 28.Re5 g6+–) 25...Re7 (25...Rff8 26.Be5 fe5 27.Ng5 Kg6 28.Nf7+–) 26.d4 Nc4 27.Bc3 Rae8 28.Ng3 Ne3 29.Rf3 g6 30.Bb4 Re6 31.Rfe3 (31.Rfe3 Re3 32.Re3 Re3 33.Qe3+–) 1–0. Satka,Martin – Heinze,Johannes, Brandenburg–ch Seniors, 2003.

5.e3 Bg4 6.h3 Bh5 7.ed4 ed4 8.Bd4 Qe7 (8...Kf8 9.Be2+/–) 9.Qe2 Qe2 10.Be2 f6 (10...Ne7 11.Nh4 Be2 12.Ke2+/–) 11.Ng5 Be2 12.Ke2 Nd7 13.Ne4 Be5 14.Be5 Ne5 15.f4 Ng6 16.f5 Ne5 (16...N6e7 17.g4+–) 17.Nc5 0–0–0 18.Ne6 Rd7 19.d4 (19.g4 h5 20.d4 Nf7+–) 19...Nc4 20.Nc3 Nh6 (20...g6 21.Ne4+–) 21.Kd3 (21.Raf1 Nf7+–) 21...Nb6 (21...Nb2 22.Ke4+–) 22.g4 Re8 23.a4 g6 24.a5 Na8 25.Nc5 Rde7 26.Nd5 Rf7 27.Rhe1 Re1 28.Re1 Rf8 29.Ne7 Kb8 30.Nd7# 1–0. Trkn – Juppy206, ICC, 2004.

5.e4 a6 6.c3= c6 7.cd4+/– ed4 8.Bd4 cb5?? 9.Bg7+– Nc6 10.Bh8 Be6 11.a4 1–0. Fritz 11 – pierre, 2009.

5.e4 Nf6 6.c3 Ne4 7.cd4 ed4 8.Bd3 =+.

5.e4 Nf6 6.Bc4 Ne4 7.Bd5 c6?? 8.bc6?? bc6?? 9.Be4+– Bg4 10.0–0 f5 11.Qe2?? fe4= 12.Qe4 Bf3 13.Qf3 Qe7 14.Re1 Nd7? 15.Na3?? Nf6 16.Qc6+– Nd7?? 17.Qa8 Nb8 18.Nc4 0–0 19.Bd4! Qh4 20.Qd5 Kh8 21.Qd6 Rd8 22.Qe5 Rg8 23.Qg7! (23...Rg7 24.Re8) 1–0. Taulien,Christian – Orion,Martin, remoteschach.de, 2002.

5.e4 Bg4 6.c3 Bf3 7.Qf3+= Bc5 8.Qg3+/– Qf6 (8...Nd7!?+/– 9.Bc4 g6 10.cd4 Bd4 11.Bd4 ed4 12.0–0 Ngf6) 9.cd4+– ed4 10.Qc7 Qb6 (better is 10...Nd7!?+– 11.Bc4 Qb6 12.Qg3 Ngf6) 11.Qc8 Ke7 12.Na3 Ba3 (12...a6 13.Rc1 ab5 14.Rc5 Nd7 15.Qa8 Qc5 16.Nb5 Qc6+–; 12...Bb4+–) 13.Ba3 Kf6 14.Qf5# 1–0. Marram – Oemer Alkan, internet, 2010.

5.h3 c5 6.a4 a5 7.e4 Be6 8.Na3 Nd7 9.Bc4 Bc4 10.Nc4 Qc7 11.d3 Ne7 12.Nfd2 b6 13.Qg4 0–0 14.Nd6 Qd6 15.Nc4 Qc7 16.Bc1 f5 17.ef5 Nf5 18.Qe4 Kh8 19.Bg5 h6 20.Bh4 Rae8 21.0–0–0 Re6 22.f3 Nh4 23.Qh4 Nf6 24.Rhe1 Nd5 25.Kb2 Nc3 26.Ra1 Rfe8 27.Qg3 ½–½. Kleist,Werner (1715) – Schmidt,Erich (1745), Hessen–ch Seniors 2nd, 2006.

4.Nf3 Nd7

5.c3 dc3 6.Nc3 Ngf6 7.d4 ed4 8.Nd4 =.

5.c3 Bc5 6.cd4+= ed4 7.e3 de3 8.Bg7 ef2 9.Ke2 Qe7 10.Kd3 Qd6 11.Kc3 Ndf6 12.Bh8 Be6 13.a3 Rd8 14.Kb2 c6 15.Nc3 a6 16.ba6 ba6 17.Qa4 Rb8 18.Kc1 Bb3 19.Qa5 Kd7 20.Bg7 Ne7 21.Bf6 (21...Qf6 22.Qc5+–) 1–0. Taulien,Hans_Juergen – Fischer,Ronald, remoteschach.de, 2002.

5.c3 d3 6.ed3+= Bd6 7.Be2 Ngf6 8.0–0 0–0 9.Na3 Re8 10.Nc4 b6 11.Ng5 Nd5 12.Nf7 Kf7= 13.Bf3 N7f6 14.Bd5 Nd5 15.Qf3 Nf6?? 16.Qa8+– Qe7 17.Qa7 Bc5 18.Rae1 Ng4 19.d4 Be6 20.Ne3 Ne3 21.fe3 Kg8 22.dc5 Qc5 23.Ba3 Qc4 24.Rf2 Bd5 25.e4 Ra8 26.Qa8! Ba8 27.Rf8# 1–0. b4_player – quins, gamecolony.com, 2007.

5.e3 Bc5 6.ed4+= ed4 7.Bd4 Bd4 8.Nd4 Ngf6 9.Bc4?? 0–0?? 10.0–0?? Nb6 11.Bb3 Qd4 12.Nc3 Bg4 13.Ne2 Be2 14.Qe2 Rfe8 15.Qf3 Rab8 16.d3 Nbd5 17.c4 Nc3 18.a4 Ne2 19.Kh1 b6 20.Rfe1 Nf4 21.Red1 Re2 22.Kg1 Rbe8 23.g3 Nh3 (24.Kg2 Qf2 25.Qf2 Rf2 26.Kh3 Re5 27.g4 Re3 28.Kh4 h6 29.d4 Rh2#) 0–1. pumpkin (2375) – chinbrookjedi (2000), net–chess.com, 2009.

5.e3 de3 6.de3 e4 7.Nd4 =.

5.g3 c5 6.c3 +=.

5.g3 Be7 6.Bg2 (6.c3 dc3 7.Nc3 Ngf6=) 6...Ngf6 7.0–0 0–0 (7...c5 8.bc6 bc6 9.Ba3+=) 8.d3 (8.e3 de3 9.fe3 Bd6=) 8...a6+= 9.a4 ab5 10.ab5 Ra1 11.Ba1 c5 12.bc6 bc6 13.Nbd2 (13.c3 c5=) 13...Ba6 14.Qb1 (14.c3 c5=) 14...Qc7 (14...Qa5 15.e3 c5 16.Qe1+=) 15.Bb2 (15.c3 c5=) 15...Rb8+= 16.Qa2 Bb7 17.Ng5 (17.c3!? c5 18.Rb1+=) 17...Nd5–/+ 18.Ndf3 h6 19.Ne4 f5 20.Ned2 Ra8 21.Qb3?? (better is 21.Qb1–/+) 21...Nc5–+ 22.Qc4 Ra4 (22...Ra4 23.Ne5 Rc4 24.Ndc4 Nc3 25.Bc3 dc3–+) 0–1. Coope,Derek William – Wittig,Frank, corr, 1985.

4.Nf3 e4

5.Nd4+= Bb4 6.Ne6 Be6 7.Bg7 f5 8.Bh8 f4 9.c3 e3 10.cb4 ef2 11.Kf2 Qd4 12.Bd4 (12...Ne7 13.e4+–) 1–0. Taulien,Hans_Juergen – Orion,Martin, remoteschach.de, 2001.

5.Nd4+= Bc5 6.Nb3 Bb4?? 7.Bg7+– Qh4 8.c3 Bd6 9.Bh8 Bh2 10.Be5! Nd7 11.Bc7! Ngf6 12.Rh2 Qg5 13.Nd4 Nc5 14.e3 Bg4 15.f3 ef3 16.gf3 Nd3 17.Bd3 Bd7 18.Qb3 Qg1 19.Bf1 Qh2 20.Bh2 (20...Rd8 21.Bc4+–) 1–0. Taulien,Hans_Juergen – Orion,Martin, remoteschach.de, 2002.

5.Nd4 c6 6.d3 c5 7.Nb3 ed3 8.Nc3 c4 9.Nd2+/– de2 10.Qe2 Be7 11.0–0–0 a6 12.Nc4 ab5?? 13.Rd8 Kd8 14.Nb5 Nf6 15.Nb6 Bg4 16.Qc4 Be6 17.Qc7 Ke8 18.Qb7 Ra2 19.Qb8 Bd8+– 20.Nd6 Ke7 21.Ndc8 Bc8 22.Nc8 Kd7 23.Bb5 Ke6 24.Qe5# 1–0. attirov (1840) – Revcedbur, internet, 2008.

5.Nd4 Nf6 6.e3 +=.

4.Nf3 f6

5.c3 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.cd4 Qa5 (Better is 9...e4!? 10.Ng1 f5=) 10.Bc3 Qb5 11.de5 fe5 (11...Qd5 12.d4+/–) 12.Be5 (12.e4!? Qc5 13.Ne5+–) 12...Nd7+/– 13.e3 Qd5 14.Bc3 (14.Nc3 Qe6 15.Bf4 Be7+/–) 14...Ngf6 15.Be2 Ne4 16.Bd4 c5 17.Ba1 Bd6 18.0–0 0–0 19.Nc3 Qf5 20.d3 Nc3+/– 21.Bc3 b5 22.d4?? b4 23.Bb2 cd4? 24.Bd4 Bb7? 25.g3?? Bf3–+ 26.Bf3 Be5?? 27.Bc6 Bd4 28.Qd4 Nf6 29.Qb4 h5 30.Qc4 Kh8 31.Qh4 g6 32.Qa4 Qh3 33.Qd4 Kh7 34.Bg2 Qf5 35.Qa7 Kh6 36.Qa3 Ng4 37.e4 Qf6 38.Qc1 Kh7 39.Qc7 Rf7 40.Qc1?? Nf2?? (41.Qe3 Qe5+–; 40...Rf8 41.Qc5 Ne5+–) +–. stoker – vello01, Live Game Caissa's Web, 2004.

5.d3 Bd7 6.c4 c6 7.a4 Bb4 8.Nbd2 a6 9.Qb3 Qa5 10.Qd1 Bc3 (10...ab5? 11.ab5 Qa1 12.Ba1 cb5 13.cb5 Bb5 14.e3 de3 15.fe3+–; 10...cb5?! 11.ab5 Qb6 12.Qa4=) 11.Rb1 ab5 12.ab5 cb5 13.cb5 Bb2 14.Rb2 Bb5 15.g3 Ba4 16.Qb1 b5 17.Bg2 Nd7 18.0–0 Rc8 19.Ne4 Qb6 20.Nh4 Ne7 21.Bh3 g6 22.Qa2 f5 23.Ng5? (better is 23.Nf3–/+) 23...Qf6–+ 24.Ngf3 g5 25.Ng5 Qg5 26.Qe6?! (26.Nf5 Nf5 27.Qe6 Qe7 28.Qf5–+) 26...Rc6 27.Qa2 Rg8 28.Bg2 Rc1 29.Nf3 Rf1 30.Kf1 Qf6 31.Ne1 Qf7 32.Qb1 Nd5 33.Qc1 Nc3 34.e3 Kd8 35.ed4 ed4 36.Nf3 Qf6 37.Qf4 Rg4 38.Qc1 Nc5 39.Ne1 Nb3 40.Qc2 f4 41.h3 Rg7 42.g4 h5! 43.f3 Rd7 44.Qf2 0–1. Biskup,Izabela (1800) – Piepiorka,Paulina (1820), DMO Poland, 2007.

5.e3 c5 6.Bd3!? =.

5.e3 c5 6.Ne5 fe5–/+ 7.Qh5 Kd7 8.Qe5 Qe7 (8...de3!? 9.de3 Nf6+=) 9.ed4= cd4 10.Bd4 Qe5 11.Be5 Nf6 12.Bc4 Bd6 13.Bf6 (13.d4 Re8 14.f4 Kd8+=) 13...Re8 14.Kd1 gf6 15.d4 a6 16.Nc3 Kd8 17.h3 Be6 18.Bd3 (18.Be6 Re6 19.Rb1 ab5 20.Rb5 Re7+=) 18...h6 19.Ne4 Be7 20.Nd2 (20.Re1 f5 21.Nd2 Bf6+=) 20...ab5 21.Bb5 Bd7 (21...Rg8 22.g4–/+) 22.Bc4 (22.Bd7 Nd7 23.c4 Bb4–/+) 22...b5 23.Bb3 (23.Bf7 Rf8 24.Bd5 Bc6 25.Bc6 Nc6–/+) 23...Bb4 24.Nb1 Nc6 (24...Bd6 25.Re1–/+) 25.c3 Ba5 26.a3 Bf5 27.d5 Ne5–+ 28.Bc2 Nd3 29.Rf1 Re5 30.g4 Nb2 31.Kc1 Bc2 32.Kc2 Re2 33.Nd2 Na4 34.Kd3 Rd2! 35.Kd2 Decoy theme: d2 35...Bc3 Theme: Double Attack 36.Kc2 Ba1 37.Ra1 Nb6 38.Kb3 Ke7 39.Re1 Kf7 40.d6–/+ Rd8 41.Kb4+= Rd6 42.Kb5 Nd7 43.Re3 Kg6 44.a4+= Rb6 45.Ka5 Rb2 46.f4 f5 47.Re6 Nf6–+ 48.Rb6 Rh2 49.Kb5 Rh3 50.gf5 Kf5 51.a5 Ra3 52.a6 Ng4 53.Kc6 h5 54.Kb7 h4 55.a7 h3 56.Rb5= Kf4 57.Rh5 ½–½. Sternik,Ryszard – Roczniak,Jan, corr Poland, 1991.

5.e3 c5 6.Ne5 fe5–/+ 7.Qh5 Kd7 8.Qe5 Qe7 (8...de3 9.de3 Nf6 10.Nc3–/+) 9.ed4= cd4 10.Bd4 Qe5 11.Be5 Nf6 12.Bc4 Bd6 13.Bf6 (13.d4 Re8 14.Bf7 Re7–+ (14...Re5?! 15.de5 Be5 16.c3+=)) 13...Re8–/+ 14.Kd1 gf6 15.d4 a6 16.Nc3 Kd8 17.h3 Be6 18.Bd3 (18.Be6 Re6 19.Rb1 ab5 20.Rb5 Ra7+=) 18...h6 (18...f5 19.d5 Bd7 20.b6+=) 19.Ne4 Be7 20.Nd2 (20.g4 ab5 21.Bb5 Nd7+=) 20...ab5 21.Bb5 Bd7 (21...Nc6 22.c4 Bd6 23.Ne4 Bg4 24.hg4 Re4 25.d5=) 22.Bc4 (22.Bd7 Nd7 23.c4 Bd6=) 22...b5 23.Bb3 (23.Bf7 Rf8 24.Bd5 Bc6 25.Bc6 Nc6+=) 23...Bb4 (23...Bc6 24.Bf7 Rf8 25.Be6 Bg2 26.Rg1–/+) 24.Nb1 (24.Bf7 Re7 25.Bd5 Bc6–+) 24...Nc6 25.c3 Ba5 (25...Bd6 26.a4–/+) 26.a3 Bf5 27.d5 Ne5–+ 28.Bc2 Nd3 29.Rf1 Re5 30.g4–/+ Nb2 31.Kc1 Bc2 32.Kc2 Re2 33.Nd2 Nc4 34.Rad1–/+ Na3 35.Kd3 Re5–+ 36.c4 Bd2 37.Rd2 Nc4 38.Rc2 Rd5 39.Ke4 Rd2 40.Rc3 Ke7 41.f4 Ra3 42.Rff3 Nd6 (42...Nd6 43.Ke3 Rc3 44.Kd2 Rf3–+) 0–1. Sternik,Ryszard – Roczniak,Jan, corr Poland, 1991.

5.e3 de3 6.fe3 Bd6 =.

5.e3 de3 6.fe3 Be6 7.Nc3 Bb4 8.Bd3 Nd7 9.0–0 Ne7 10.a3 Bc3 11.Bc3 0–0 12.Bb4 Re8 13.Nh4 g6 14.Qf3 Rb8 15.Qg3 Kh8 16.Rf3 c5 17.bc6 bc6 18.Raf1 (18.Bd6 Rb7+=) 18...Bf7 (18...c5 19.Bc3=) 19.Bd6+= Rb7 20.Qh3 Kg8 21.Rg3 Nf8 22.Be7 (22.Rf6 Nd5 23.Rf7 Rf7 24.Bf8 Ref8 (24...Rff8?? 25.Ng6 Rf1 26.Bf1+–) 25.Ng6 hg6 26.Rg6 Rg7+=) 22...Rbe7 23.Nf5 Rd7 24.Nh6 Kg7 25.Ng4 Rd6 26.Qh6 Kg8 27.h4 Qe7 28.h5 e4 29.hg6 (29.Qf4 Bd5 30.Nh6 Kh8 31.Be4 f5 (worse is 31...Be4 32.Qd6 Kg7 33.Qe7 Re7 34.Ng4+–) 32.Bf5 Rf6+–) 29...Ng6 (29...Bg6 30.Bc4 Kh8 31.d3+=) 30.Rh3 Bd5 (30...ed3 31.Qh7 Kf8 32.Qh6 Kg8 33.cd3 Qe6 34.Nf6 Qf6 35.Rf6 Rf6+/–) 31.Qh5+/– ed3 (31...Kf8!? 32.Ba6 Rb8+/–) 32.Nh6+– Kf8 33.Nf5 Qc7 34.Qh6 Kg8 35.Nd6 Rd8 36.c4 (36.Rf6 Qg7 37.Nb7 dc2 38.Qg7 Kg7–+) 36...Bg2 37.Kg2 Rd6 38.Rg3 Qd7 39.c5 Re6 40.Rb1 Re8 41.Rb4 Qd5 (41...a5 42.Ra4+–) 42.Kf2+– (42.Kf2 Qd7 43.Rg6 hg6 44.Qg6 Kf8 45.Rg4+–) 1–0. Feldborg,Brian (2210) – Carapinha,Helena, DJ–CT18/pr43, 2011.

5.e3 de3 6.Ne5? ef2 (6...ed2 7.Nd2 fe5 8.Qh5 Kd7 9.Qg4 Ke8 10.Qh5 Kd7=) 7.Kf2= fe5 8.Qh5 Kd7 9.Qf5 Ke8 10.Qh5 Kd7 11.Qf5 ½–½. Rosner,Dirk – Schulze, DDR–ch I724 corr, 1988.

3.Bb2 Bd6

4.a4 Nf6 5.e3 c6 6.Be2 0–0 7.g4 (7.Nf3 e4 8.Ne5 Nfd7=+) 7...c5 (7...Nbd7 8.Nc3–+) 8.Nh3 (8.a5 Re8–/+) 8...d4 (8...Ne8 9.f3–/+) 9.c4 (9.0–0 Nd5 10.Na3 Qh4–/+) 9...Ne4 (9...d3!? 10.Bf1 Bg4–+) 10.Qc2 f5 11.Rg1 Qh4 12.Bf1 Ng5 (12...Bc7 13.g5–/+) 13.Ng5 Qg5 14.Na3 (14.Bg2 fg4 15.Bd5 Kh8–/+) 14...fg4 15.0–0–0 (15.Rg2 Nd7–+) 15...Rf2 (15...Nd7 16.Bd3 Nf6 17.Rg2–+) 16.ed4 ed4 17.Rg2 Rg2 18.Bg2 Bh2?? 19.Rf1?? Bf4?? 20.a5?? Bf5–+ 21.Bd5 Kh8 22.Re1 Nd7 23.Be4 Re8 24.Nb1 Qh4 25.Rh1 Qh1! 26.Bh1 Bc2 27.Kc2 b6 28.Bc6 Re7 29.a6 Ne5 30.Bg2 d3 31.Kc3 h5 32.Be4 h4 33.Bd3 h3 34.Bf1 h2 35.Bg2 Nf3 36.Kc2 Re2 37.Bh1 g3 (38.Bf3 g2 39.Be2 h1Q–+; better is 37...Re1!? 38.Nc3 Rh1 39.Ne2 Ne1 40.Kb3–+) 0–1. tschulz – Knight, MySchachOpen, 2005.

4.Bc3 d4 5.Ba5 –/+.

4.Bc3 Nf6 5.a3 (5.Nf3 d4 6.Ba5 b6–+) 5...0–0 6.h3 (6.Nf3 Nbd7–/+) 6...Re8 (6...d4 7.Bb4–/+) 7.h4 (7.Nf3 Bf5–/+) 7...Bf5 (7...d4 8.Bb4–+) 8.h5 (8.Nf3 Nbd7–/+) 8...Nbd7 (8...h6 9.Nf3–+) 9.h6–/+ g6 10.d3 (10.Nf3 Ne4–/+) 10...Nh5 (10...a6 11.ba6 Ra6 12.e4–+) 11.Rh5 (11.e3 d4 12.g4 Bg4 13.Qg4=+) 11...gh5–+ 12.e3 Qg5 13.Nf3 Qh6 14.Nh4 Bg4 15.Be2 Nf6 16.f3? Bd7 17.Bd2 Qg5 18.g3 Qg3 19.Kf1 Bh3 20.Ng2 Qg2 21.Ke1 Qg3# 0–1. solidsteel – abetone, Live Game Caissa's Web, 2006.

4.c4 Ne7 5.cd5 Nd5 6.Nc3 Nb6 7.e3 Bd7 8.a4 Be6 9.Ne4 N6d7 10.Nf3 Be7 11.Ne5 (11.Be5? Ne5 12.Ne5 Qd5 13.Nf7 Bf7–+) 11...Ne5 12.Be5 Qd5 (better is 12...0–0!? 13.Qc2 c6+/–) 13.Bg7+– Qe4? (better is 13...Rg8 14.Nc3 Qd8+–) 14.Bh8 f6 15.Qh5 Bf7 16.Qf3 Qe5 (16...Qf3 17.gf3 Nd7 18.Bd3+–) 17.d4 Qd5 18.Qd5 Bd5 19.Bg7 Nd7 20.Bh6 Be6 21.f3 0–0–0 22.Be2 Bb4 23.Kf2 f5 24.Bf4 Nf6 25.Rhc1 Bd6 26.Bd6 Rd6 27.Bc4 Bc4 28.Rc4 Kb8 29.Rac1 Rd7 30.Rc5 Nd5 31.Rd5! Rd5 32.Rc5 Rc5 33.dc5 Kc8 34.Kg3 Kd7 35.Kf4 Ke6 36.e4 fe4 37.Ke4 h5 38.g4 hg4 39.fg4 Kf6 40.h4 c6 41.bc6 bc6 42.g5 Kg6 43.Ke5 Kf7 44.Kd6 a5 45.Kc6 Ke7 46.Kb7 Ke8 47.c6 (47.c6 Kd8 48.c7 Ke8 49.c8Q Kf7 50.Qf5 Ke8 51.Kc7 Ke7 52.g6 Ke8 53.Qf7) 1–0. Pruvost,A (1620) – Paris,Pierre_Julien, 9th Open, La Fere FRA, 2010.

4.e3 d4 5.ed4+= ed4 6.Bd4 (6.Nf3 Nf6=) 6...Nf6 7.Nf3 0–0 8.Be2 (8.Nc3 a6=) 8...a6 9.Nc3 (9.0–0 ab5 10.Bb5 Nc6 11.Bc6 bc6=) 9...ab5 10.Nb5 (10.Bb5 Nc6 11.Bc6 bc6=) 10...Nc6 11.Bb2 Be7 (11...Re8 12.0–0=) 12.0–0+= Re8 13.Ne5 (13.d4 Nd5+=) 13...Ne5 14.Be5 Nd5 15.Bf3 Bf6 (15...c6 16.c4 Nb4 17.Nc7=) 16.d4= Be5 (16...Bd7!? 17.a4 Ra4 18.Ra4 Bb5+/–) 17.de5+/– (17...Re5 18.Qd4+/–) 1–0. Benassi,Aspasio – Ruberg,Mathias, 2000.

4.e3 Bd7 5.Nf3 f6 6.c4 c6 7.a4 (7.bc6 Bc6 8.Nc3 dc4 9.Bc4 Nd7=) 7...Ne7=+ 8.Be2 a6 9.0–0 0–0 (9...e4 10.Nh4=+) 10.d4 e4 11.Nfd2 f5?? (better is 11...ab5 12.ab5 Ra1 13.Ba1 Qa5=) 12.c5+– Bc7 13.b6 Bb6 14.cb6 Qb6 15.Ba3 Rf7 16.f4 ef3 17.Nf3 (17.gf3?! f4 18.Bc5 Qd8+/–) 17...Ng6 18.Bd6 f4 (18...Qd8 19.Ne5 Ne5 20.Be5+–) 19.Ne5 Ne5 20.Be5 (20.de5?! Qe3 21.Kh1 Be6+–) 20...fe3 21.Rf7 Kf7 22.Ra3 (22.Bh5 Kg8 23.Qf3 Be6+–) 22...c5 23.dc5 Qc5 24.Bd4 (better is 24.Rc3!? Qe7 25.Qd5 Be6 26.Qf3 Kg8+–) 24...Qd6 25.Re3 Nc6 26.Nc3 Kg8 (26...Be6 27.Rg3 g6 28.Rf3 Kg8 29.Bf2+–) 27.Rg3 (better is 27.Bf3 Kh8 28.Nd5 Nd4 29.Qd4 Bc6+–) 27...Nd4? (27...g6+–) 28.Qd4 g6 (28...Qh6 29.Qd5 Be6 30.Qb7 Rf8+–) 29.Qd5 (better is 29.Nd5 Re8 30.Nf6 Qf6 31.Qf6 (31.Qd7 Re2 32.Qc8 Kg7 33.Qb7 Re7=+) 31...Re2 32.Rf3+–) 29...Qd5 30.Nd5 Ba4 31.Nb6 Re8 32.Bc4 Kg7 33.Na4 b5 34.Bf1 ba4 35.Ra3 Re4 (35...a5 36.Ra4 Re5 37.Kf2+–) 36.Ba6 g5 (36...Rb4 37.Kf2 h5 38.Be2+–) 37.Bb5 h5 38.Ra4 Ra4 39.Ba4 Kf6 40.Kf2 Kf5 41.Bd1 g4 (41...h4 42.g4 hg3 43.hg3+–) 42.g3 (42.Kg3!? Kg5+–) 42...h4 43.Ke3 Kg5 44.Ke4 (44...hg3 45.hg3+–) 1–0. Otte,Marco (1735) – Mottart,F, Gent, 2002.

4.e3 Nd7 (--> 3.Bb2 Nd7 4.e3 Bd6).

4.e3 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6).

4.e4 de4–/+ 5.d3 (5.Nc3 Nf6–+) 5...ed3 (5...Nf6 6.Nc3 Bf5 7.de4 Ne4 8.Qf3–/+) 6.Bd3 Nf6 7.Nf3 0–0 (7...e4 8.Qe2 Bf5 9.0–0–+) 8.Nbd2 (8.Ne5 Re8 9.f4 Nbd7–/+) 8...Re8 (8...Bg4 9.0–0–/+) 9.0–0 Bg4 10.Ne4 Nbd7 (10...a6 11.h3 Ne4 12.Be4 Bf3 13.Qf3 ab5 14.Qd3=+) 11.h3 Bh5 12.Qe2 Nc5 13.Rfd1 (13.Nc5 Bc5 14.Rad1 Bd4–/+) 13...Nfe4 14.Be4 Qf6 15.g4 (15.Bd5 Rad8–/+) 15...Ne4–+ 16.Qe4 Bg6 17.Qe2 (17.Qb7 Bc2 18.g5 Qf5–+) 17...Qf4 (17...a6 18.g5 Qf5 19.c4–+) 18.Bc1 Qe4 19.Qe4 Be4 20.Ne1 a6 (21.b6 Rad8–+) 0–1. Dubleumortier,Christian – Schwertel,Gottfried, corr 3GMM–39, 1996.

4.Nf3 a6 5.ba6+= Na6 6.Be5 f6 (6...Be5 7.Ne5 Nb4 8.e3=) 7.Bd6+= Qd6 8.e3 c6 9.c4 Nb4 10.Nc3 Bf5 (10...dc4!? 11.Bc4 b5+/–) 11.Nd4+/– Ne7 (11...Bd3 12.a3 Bf1 13.Kf1+–) 12.Nf5+– Nf5 13.a3 Na6 14.cd5 cd5 15.Qb1 Qd7?? (better is 15...Ne7+–) 16.Bb5 (16...Nd6 17.Bd7 Kd7 18.Nd5+–) 1–0. Taulien,Hans_Juergen – Seethaler,Franz, remoteschach.de, 2003.

4.Nf3 c5 5.Ne5 Qf6 (5...Nf6!?+=) 6.Nc4+/– d4 7.e3 Bd7 (7...Be7 8.Be2+/–) 8.Nc3 (8.Nd6 Qd6 9.Qf3 de3 10.Bg7 ed2 11.Nd2 Qe7 12.Kd1 a6 13.Bh8 ab5 14.Bb5 Bb5+–) 8...dc3 9.Bc3 Qg6 10.Bd3 (10.Nd6!? Qd6 11.Bg7 c4+–) 10...Qg2 11.Nd6 Ke7 12.Be4 Qg4 (12...Qg5 13.Bb7 Kd6 14.Ba8+–) 13.Bf3 (better is 13.Qg4!? Bg4 14.Bg7 Nd7 15.Bh8 Kd6+–) 13...Qe6 (13...Qg6 14.Bb7 Kd6 15.Qf3+–) 14.Nb7 (< 14.Bg7 Kd6 15.Bh8 Kc7 16.Bb7 Kb7 17.Qf3 Nc6+–) 14...Bb5 (14...Nf6 15.Nc5 Qc4 16.Ba8 Qc5+–) 15.Bg7 Qc4 16.Na5 (16...Qa4 17.Ba8 Qa5 18.Bh8+–) 1–0. Taulien,Hans_Juergen – Bock,Michael, remoteschach.de, 2002.

4.Nf3 c6 5.Ne5 Qf6 (5...Nf6!?+=) 6.Nc4!+/– d4 (6...dc4 7.Bf6) 7.Nd6 Qd6 8.e3 Nf6 9.Bd4 0–0 10.Qf3 Bg4 11.Qg3 Qg3 12.hg3 h5 (12...Nbd7 13.bc6 bc6 14.f3+–) 13.Bf6 gf6 14.d4 b6 (14...a6 15.bc6 Nc6 16.d5+–) 15.Nc3 Kg7 16.a4 a5 17.Rb1 Rh8 (17...Rc8 18.Bd3+–) 18.bc6 Nc6 19.Nd5 Nb4 20.Nb4 ab4 21.Rb4 Bf5 22.Kd2 (< 22.Rb6 Bc2 23.Be2 Ra4 24.Rh5 Rh5 25.Bh5 Be4+–) 22...Rhc8 23.c4 Ra6 (23...Bg6 24.Be2+–) 24.c5! bc5 (24...Rc5 25.dc5) 25.Ba6 Rc7 (25...cb4 26.Bc8 Bc8 27.Rh5 b3+–) 26.Rc1 (26...cb4 27.Rc7+–) 1–0. Taulien,Hans_Juergen (2225) – Witt,Monika, remoteschach.de, 2004.

4.Nf3 d4 (--> 3.Bb2 d4 4.Nf3 Bd6).

4.Nf3 Bd7 5.a4 c6 6.e3 cb5 7.Ne5+/– f6?? 8.Qh5+– Ke7 9.Qf7 1–0. pumpkin (2405) – duffster (1755), net–chess.com, 2004.

4.Nf3 e4 5.Bg7 ef3 6.Bh8 f6 7.e3 fg2 8.Qh5 Ke7 9.Qh7 1–0. wesolyPolak (1780) – NN, GameColony.com, 2002.

4.Nf3 Ne7 5.e3 (better is 5.Be5!? 0–0 6.Bd6 Qd6 7.e3+=) 5...Ng6 6.d4 (6.Nc3 Be6=+) 6...Bg4 (6...e4 7.Nfd2=+) 7.Be2 (7.de5 Be5 8.Be5 Ne5+=) 7...e4=+ 8.Ne5 (8.Nfd2 Be2 9.Qe2=+) 8...Ne5 (better is 8...Be2!? 9.Ke2 Nd7–/+) 9.de5= Be2 10.Qe2 Bb4 11.c3 Ba5 12.0–0 Qe7 (12...Nd7 13.c4 Nb6 14.cd5 Qd5 15.Qg4=) 13.c4+= dc4 14.Qc4 0–0 (14...Qb4 15.Qb4 Bb4 16.Rc1+=) 15.a4 (15.Qe4 c6+/–) 15...c6 (better is 15...Nd7+/–) 16.Ba3 (better is 16.Qe4 Rd8 17.Rc1+/–) 16...Qd8?? (better is 16...Qe5 17.Bf8 Qa1=) 17.Bf8+– Qf8 18.bc6 (better is 18.e6!? a6+–) 18...Nc6 19.Qe4 Bb6 (19...Qe7 20.f4+–) 20.Nd2 Rd8 (20...Qe7 21.Nc4+–) 21.Nc4 Qb4 22.Rfb1 Qc5 23.Nb6 ab6 24.h3 Qe5 25.Qg4 g6 26.Re1 Qf6 27.Rab1 Ne5 28.Qe4 Rd2 29.Rf1 Nd3 30.Qb7 Rf2 31.Qc8 Kg7 32.Qg4 Rf1 33.Rf1 Qe5 34.Qd4 Qd4 (35.ed4 Nb2+–). metal – allive, caissa.com, 2007.

4.f4 Nd7 5.fe5 Ne5 6.Nf3 Nf6?? (better is 6...Qe7 7.Ne5 Be5 8.Be5 Qe5–/+) 7.Ne5 Be5 8.Be5 c6 9.bc6 bc6 10.e3 0–0 11.d4 (11.Be2 Re8 12.Bb2 Rb8+–) 11...Ne4 12.Nd2 Qa5 13.Bd3 Nc3 (13...Bg4 14.Qc1 Qc3+–) 14.0–0 (better is 14.Qh5 f5 15.0–0+–) 14…Nd1–+ (14...Nd1 15.Nb3 Qc3 16.Rad1 Re8–+) 0–1. Jokmin,Alex – Losev,Vyacheslav, RN–2010–0–00307, 2010.

4.g3 c6 5.a4 Be6 6.e3 Nf6 7.Bg2 Nbd7 8.Ne2 0–0 9.0–0 Nb6 10.d3 Qd7 11.Nbc3 Bh3 12.f4 Bg2 13.Kg2 d4 14.ed4 ed4 15.Nd4 Bc5 16.bc6?? (16.Nb3 Bb4+=) 16...bc6?? (better is 16...Qd4!? 17.cb7 Rae8–/+) 17.Nce2 (17.Nb3!? Be7 18.f5+=) 17...Nfd5 18.Qd2 Rfe8 19.Rf3 Qg4 (better is 19...Rab8!?=) 20.h3 (20.Nc6?? Re2 21.Qe2 Nf4 22.Rf4 Qe2 23.Kh1 Nd5–+) 20...Qd7 21.f5 f6 (21...Rab8 22.a5 Na4 23.Ba3+=) 22.Ne6 (22.a5 Bd4 23.Nd4 Nc8+/–) 22...Bd6 23.c4 Bb4 24.Qc1 Nc7 25.N2f4 Ne6 26.fe6 Qd6 27.d4 Nc8 28.c5 Qc7 29.Qc4 a5 30.e7 Kh8+= 31.d5 cd5 32.Nd5 Qc5 33.Qc5 Bc5 34.Nc7 Ne7 35.Na8 Ra8 36.Re1 Nd5 37.Re6 h6 38.Rc6 Bb4 39.Rd3 Ne7 40.Rc7 Re8 41.Rdd7 Nf5 42.g4 Ne3? 43.Kf3 Nf1 44.Rg7 Re3?? 45.Kg2 (45...Re2 46.Kf1 Rb2 47.Rgd7 Rb1 48.Kg2 Rb2 49.Kf3+–; better is 45.Kf2 Bc5 46.Rgd7+–) 1–0. MasterofDisaster – maky, Live Game Caissa's Web, 2004.

4.g3 Bd7 5.a4 Nf6 6.Bg2 c6 7.Nf3 cb5 (7...Qe7!?–/+) 8.Ne5 ba4 9.Nc3?? (better is 9.Nd7 Nbd7 10.Nc3=) 9...Be5–+ 10.0–0 Nc6 11.f4 Bc3 12.Bc3 d4 13.Bc6 (13.Bb2–+) 13...Bc6 (< 13...bc6 14.Bd4 Bh3 15.Bf6 Qf6 16.Rf2–+; < 13...dc3 14.Bd7 Qd7 15.dc3–+) 14.Bb4 (14.Bb2 0–0–+) 14...Qd5 15.Rf3 a5 16.Ba3 b5 17.c3 dc3 18.dc3 (18.Re3 Ne4 19.dc3 Qd1 20.Rd1 Rd8–+) 18...Qd1 19.Rd1 Bf3 20.ef3 Rd8 21.Re1 (21.Rb1 Rd5–+) 21...Kd7 22.Re7 Kc6 23.Rf7 Rd7 24.Rd7 Kd7 25.g4 Nd5 26.Bb2 Rc8 27.f5 Nc3 28.Kf1 b4 29.h4 a3 30.Ba1 b3 31.Ke1 b2 32.Bb2 ab2 33.Kf2 b1Q 34.Kg3 Rc4 35.g5 Qg1 (36.Kh3 Qf1 37.Kg3 Ne2 38.Kh2 Rh4#) 0–1. MasterofDisaster – ethan2, Live Game Caissa's Web, 2004.

4.g3 Ne7 5.f4 (5.Nf3 e4 6.Nd4 0–0–/+) 5...Nd7 (5...ef4 6.gf4 Nf5 7.Nf3 Bf4 8.e3–/+) 6.Nf3 e4 7.Bg7 (better is 7.Nd4!?–/+) 7...Rg8–+ 8.Be5 ef3 9.Bd6 cd6 (9...fe2 10.Qe2 cd6 11.Bg2–+) 10.e3 Nb6 11.Qf3 Be6 (11...Bf5 12.Bd3–/+) 12.Nc3 Qc7 13.Bg2 Nc4 14.a4 (14.Qe2 0–0–0–/+) 14...0–0–0 (14...Rc8!? 15.Ne2 Bf5–/+) 15.a5 Kb8 (15...Qc5 16.h3–/+) 16.b6=+ ab6 17.ab6 (17.a6 ba6 18.Ra6 Kc8–/+) 17...Qb6 18.Rb1 Qc6 19.0–0?? (better is 19.Nb5=+) 19...Nd2–+ 20.Qe2 Nf1 (better is 20...Qc3 21.Kh1–+) 21.Nb5 (21.Qe1 Ng3 22.hg3 Nf5–+) 21...Ne3 (better is 21...Ng3 22.hg3 Rg3 23.Nd4–+) 22.Nd4 Qc5 23.Qe3 Nf5 24.Qf2 Qd4 25.Qd4 Nd4 26.Rd1 Nc6 27.Bd5 Bd5 28.Rd5 Rge8 29.c3 Re3 30.Rf5 Rc3 31.Rf7 Re8 32.Kg2 Re2 33.Kh3 Rcc2 34.Kg4 Rh2 35.f5 Rc4 36.Kg5 Ne5 37.Rf8 Ka7 38.Kf6 Rg4 39.Ke6 Rd2 40.f6 Rg3 41.f7 Rf3 42.Ke7 Rf7 43.Rf7 Nf7 44.Kf7 0–1. MasterofDisaster – martianul, Live Game Caissa's Web, 2004.

4.g3 f5 5.f4 d4 (5...Qe7!? 6.e3 Nd7=+) 6.fe5 Be5 7.Nf3 Qf6 (7...Bf6 8.c3=) 8.c3 (8.e3 Nd7 9.Ne5 Ne5 10.Bd4 Be6+/–) 8...dc3 (8...d3 9.ed3 (< 9.Ne5 Qe5 10.Qb3 Qe4=) 9...Ne7 10.Na3+=) 9.Nc3+/– Ne7 10.Rb1 (10.Ne5 Qe5 11.Bg2 Qd6+/–) 10...0–0 11.Ne5 Qe5 12.Na4 (better is 12.Bg2 c6 13.Qa4+/–) 12...Qe4=+ 13.Rg1 Nd7 14.Bg2 Qe6 (14...Qg4 15.e3 Qg6 16.Rc1=) 15.e3 (15.Qb3 Qb3 16.ab3 a6+=) 15...Rb8 (15...Qa2 16.Bd4=+) 16.Bd4 (16.Qb3 Qb3 17.ab3 a6+/–) 16...b6 (16...Qh6 17.h3=) 17.Nc3 (17.Qb3 Qb3 18.Rb3 Bb7+=) 17...Nc5 (17...Kh8 18.Kf2 Bb7 19.Bb7 Rb7 20.Qf3=) 18.Qe2 (18.Qc2 Bb7=) 18...Bb7 19.Bb7 (19.Bc5 bc5 20.Bf1 Qh6=+) 19...Rb7 (19...Nb7 20.Kf2–/+) 20.a4 Rbb8 21.g4 f4 22.g5?? f3–+ 23.Qf1 f2 24.Ke2 fg1Q 25.Qg1 Nf5 26.Kd1 Rbd8 27.g6 h6 28.Bc5 bc5 29.Kc2 Nd6 30.Rb2 Nc4 31.Rb3 Rd2 32.Kb1 Qf5 33.e4 Qf1 34.Qf1 Rf1 (35.Nd1 Rfd1#) 0–1. MasterofDisaster – bla2, Live Game Caissa's Web, 2004.

4.g3 Nf6 5.Bg2 Qe7 6.e3 Nbd7 7.Ne2 Nb6 8.d3 a6 9.ba6 Ra6 10.Nbc3 0–0 11.0–0 Bg4 12.Qc1 Qd7 (13.Qd2 Bh3–/+) 0–1. Reussner,Hans_Dieter – Binder,Klaus, F0012 DESC, 2001.

4.Nc3 Nf6

5.a4 d4 6.Na2 b6 7.e3 Bc5 8.Nf3 Qd6 9.Bc4 0–0 10.0–0 Bb7 11.ed4 ed4 12.h3 Re8 13.d3 Nbd7 14.Ng5 Ne5 15.f4 Nc4 16.dc4 h6 17.Nf3 Re4 18.Ne5 Re8 19.Kh1 Nd7 20.Qf3 Ne5 21.fe5 Qg6 22.Rad1 Ba8 23.Rd2? Re3 24.Qf5 Qf5 25.Rf5 Rh3 26.Kg1 d3 27.Rff2 Re3 28.cd3 Re1 29.Kh2 Bf2 30.Rf2 c5 31.bc6 Bc6 32.Nc3? R8e5 33.d4 Rh5 34.Kg3 Re3 35.Kg4 Rg5 36.Kf4 Reg3 37.d5 Bd7 38.Ne4 R3g4 39.Ke3 Rg6 40.c5 bc5 41.Nc5 Ba4 42.Bd4 Bb5 43.Ne4 a6 44.Rb2 f5 45.Nf2 Rg2 46.Kf4 R6g5 47.d6 h5 48.Rb5= ab5? 49.d7+– Rg6 50.d8Q Kh7 51.Qd5 b4 52.Qf5 R2g5 53.Qb1 Rb5 54.Be5 b3 55.Nh3 Kh6 56.Qb2 Rb4? 57.Kf5 Rgg4 58.Bg7! Rg7 59.Qd2 (59...Kh7 60.Qb4 Rf7 61.Kg5+–) 1–0. Baxa,Ottokar – Forster,Manfred, Passau op 8th, 2000.

5.e3 0–0 =+.

5.g3 0–0 6.Bg2 Be6 7.e4 d4 8.Nd5 Bd5 9.ed5 Nbd7 10.c4 dc3 11.dc3 Nb6 12.Qb3 Qe7 13.Ne2 e4 14.c4 Bb4 15.Bc3 Bc3 16.Nc3 e3 17.0–0 Ng4 18.f3 e2–/+ 19.Ne2 Qe2 20.Rae1 Qc4 21.Qc4 Nc4 22.fg4 Nd2?? 23.Rf2 Nc4 24.Re7 Rac8 25.Rc2 Nd6 26.a4 Rfe8 27.Rec7 Kf8 28.Kf2 Rc7 29.Rc7 Re7 30.Rc2 Ke8 31.h4 Ne4 32.Kf3 Kd7 33.Kf4 Nf6 34.Bf3?? Kd6= 35.Rd2 Re5 36.g5 Nd5 37.Bd5 Rd5 38.Rd5 Kd5 39.Kf5 g6?? 40.Kf6+– Ke4 41.Kf7 Kf3 42.Kg7 Kg3 43.Kh7 (43...Kh4 44.Kg6+–) 1–0. Baxa,Ottokar – Oparaugo,Thomas (2040), Passau op 6th, 1998.

5.g3 d4 6.Nb1 0–0 7.a4 c5 8.Na3 Be6 9.Bg2 Qc7 10.Nf3 e4 11.Ng5 Bd5 12.c4 dc3 13.dc3 h6 (13...c4!?–/+) 14.c4= e3 (14...Be5!? 15.Be5 Qe5+=) 15.Bd5 ef2 (15...hg5!? 16.Bf6 gf6+/–) 16.Kf2+/– hg5 17.Bf6 gf6 18.Qd3 Nd7?? (better is 18...Be5 19.Raf1 Re8+/–) 19.Qg6+– Kh8 20.Qh6 Kg8 21.Be4 (21.Be4 f5 22.Qg5 Kh8 23.Qf5 Nf6 24.Qf6 Kg8 25.Qg5 Kh8 26.Qh6 Kg8 27.Qh7#) 1–0. Dammer,Axel (2400) – Mantau,Jan (2085), RSX7E–A00–Sokolsky–1, 2008.

5.g3 d4 6.Nb1 0–0 7.a4 Nbd7 8.Nf3 a6 9.Bg2 (9.c3 Re8 (9...Nc5 10.cd4 ed4 11.Bd4 Qe7 12.e3 ab5 13.ab5 Ra1) 10.cd4 ed4 11.Bd4 ab5 12.ab5 Nc5 13.e3 Ra1; 9.Na3 Nb6 (9...ab5 10.Nb5 Be7 11.a5 Ne4 12.c3 c6 13.Qc2 Ra5) 10.c3 dc3 11.Bc3 Qe7 12.Bb2 Bf5 13.e3 e4; 9.e3 de3 (9...Nc5 10.ba6 Na6 11.Na3 Nc5 12.Nc4 Na4 13.Qb1 Re8) 10.de3 e4 11.Nd4 ab5 12.ab5 Ra1 13.Ba1 Ne5) 9...Nc5 (9...Nb6 10.c3 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 Bd7 13.d3 Bb5) 10...Nc4 11.Qc2 Nb2 12.Qb2 ab5 (12...d3 13.ed3 Bf5) 13.ab5 Ra1 14.Qa1 dc3 15.Nc3+=) 10.0–0 Bg4 (10...Bf5 11.e3 ab5 12.ed4 Na4 13.Ra4 ba4) 11.d3 (11.Ba3 Qe7–/+ (11...Re8 12.h3 Bd7 13.c3 ab5) 12.d3 Nd5 13.Qe1 ab5) 11...ab5 12.ab5 Qd7 (12...Na4 13.Ba3 Ba3) 13.c4 (13.Na3 Na4) 13...Ra1 14.Ba1 Ra8 15.Nbd2 Ra2 16.Re1 Qd8 (16...Qf5 17.Qb1 Ra4 18.e3–/+) 17.h3 Bf5 18.Qb1 Qa8 19.Bb2 Qa4 20.Rc1 h6 21.Re1 c6 22.bc6 bc6 23.Rc1 (23.Nh4 Be6–/+) 23…Bd7 ½–½. Dammer,Axel (2400) – Heinrich,Olaf (2290), RSX7E–A00–Sokolsky–1, 2008.

5.g3 d4 6.Nb1 a6 7.e3 0–0 8.a4 ab5 9.ab5 Ra1 10.Ba1 c5 11.Na3 Be6 12.Bg2 c4 13.Nb1 Qa5–+ 14.Bb2 Qb5 15.Qc1 c3 16.dc3 de3 17.fe3 Bc5 18.Ne2 Bg4 19.c4 Qc4 20.Nbc3 Bb4 21.0–0 Be2 22.Ne2 Qe2 23.Bf3 Qb5 24.c4 Qc5 25.Bb7 Rd8 26.Bc3 Bc3 27.Qc3 e4 28.Rb1 Rd3 29.Be4 Rc3 30.Rb8 Qf8 31.Rf8 Kf8 32.Bb7 Ng4 33.e4 Rc4 34.h3 Rc1 35.Kg2 Rc2 36.Kg1 Ne3 (37.e5 Rc5–+) 0–1. Zimmermann,Joerg (1690) – Baer,Werner (2000), TT–04.36 TSC, 2002.

4.c4 dc4

5.e3 c6 6.a4 Bd7 7.Na3 Ba3–/+ 8.Ra3 cb5 9.Be5 a6?? 10.Bg7+– b4 11.Ra1 b5 12.ab5 Bb5 13.Bh8 a5 14.Qh5 Qd7 15.Nf3 Nc6 16.Qb5 c3 17.dc3 Rb8 18.Qg5 Nge7 19.Ne5 Qc7 20.Ng4 b3 21.Rd1 Nd5 22.Nf6 Nf6 23.Bf6 Ne7 24.Bb5 Kf8 25.Qg7 1–0. Taulien,Hans_Juergen – Hangmann,Christian, remoteschach.de, 2002.

5.e4 Be6 6.Qc2=+ Nf6 7.Bc4 Bc4 8.Qc4 0–0 9.Nf3 Nbd7 10.0–0 Nb6 11.Qc2= Qd7 12.d4+/– Rfe8? 13.de5+– (13.de5 Ne4 14.Qe4 Qb5 15.Bd4+–) 1–0. Tiedemann,Joern (1940) – Sochacki,Heiko (2025), remoteschach.de, 2010.

5.e4 Nf6 6.Nc3 Be6 7.Qa4 Nbd7 8.Nf3 Nc5 9.Qc2 h6 10.Be2 Qe7 11.0–0 0–0 12.h3 a6 13.ba6 Ra6 14.Rfe1 Rfa8 15.Bf1 c6 16.Rad1 b5 17.g4 b4 0–1. Winfridsson – Kuhlmann, email 4AMM–02 1997.

5.Nf3 Nd7 6.e4 Ngf6 7.Qc2 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Nc5 11.Bc4 Nfe4 12.0–0 0–0 13.Re1 Ng5 14.Ne5 Re8 15.f4 Be5 16.Re5 Re5 17.Be5 Nge4? 18.d4+– (18...Qe7 19.Bd5+–) 1–0. Taulien,Hans_Juergen – Rohde,Matse, RS0001 remoteschach.de, 2002.

5.Nf3 Be6 6.Be5? Be5 7.Ne5 Qd4 8.Nf7 Bf7 –+ (8...Qa1?! 9.Nh8 Nf6 10.g4=+).

5.Nf3 Be6 6.Be5 Be5 7.Ne5 Nd7 8.Nd7 Qd7 =+.

5.Nf3 Be6 6.Ne5 f6 7.Nf3 Ne7 8.e3 0–0 9.Qc2= a6 10.a4 ab5= 11.ab5 Ra1 12.Ba1 Qe8 13.Bc4+= Qf7 14.Be6 Qe6 15.0–0 Nd7 16.Nc3 b6 17.Nd4+/– Qf7 18.Ne4 f5 19.Nd6 cd6 20.Qc7 Nc8 21.Bc3 Nc5 22.Qf7 Rf7 23.f3 g6 24.Ra1 Rf8 25.Nc6 Kf7 26.Nb4 g5 27.Kf1 g4 28.Nd5 gf3 29.gf3 Nd7 30.Bd4 Rg8 31.Ra8 h6 32.Kf2 Re8 33.h4 Rg8 34.h5 Rf8 35.d3 Rg8 36.e4 Nc5 37.Bc5 dc5 38.ef5 Re8 39.Rb8 Re5 40.Rb7 Kf8 41.Nf4 Ke8 42.Rb8 Kd7 43.Ng6 Rf5? 44.Rc8! Rh5 45.Rc6 Rh2 46.Kg3 Rb2 47.Rb6 Kc7 48.Rc6 Kb7 49.Rc5 Kb6 50.Rh5 Rb3 51.Ne5 Rb5 52.Kf4 Rb4 53.Ke3 Rb1 54.Ke4 Re1 55.Kd5 Kb7 56.Rh6 Rf1 57.Rh7 Ka6 58.Kc6 Rb1 59.Nd7 Rg1 60.Nc5 Ka5 61.Ra7 Kb4 62.Ra4 Kc3 63.f4 Rf1 64.Kd5 Kb2 65.Rc4 Ka3 66.Ke6 Re1 67.Re4 Rc1 68.Ra4 Kb2 69.Rc4 Re1 70.Kd5 Rf1 71.d4 Ka2 72.Ke5 Re1 73.Kf6 Rd1 74.f5 Rf1 75.Ke6 Re1 76.Kf7 Re3 77.f6 Re1 78.d5 Rd1 79.Ke6 Re1 80.Re4 Rg1 81.f7 Rg6 82.Kf5 Rg2 83.f8Q 1–0. Taulien,Hans_Juergen – Tiedemann,Joern, remoteschach.de, 2002.

5.Nf3 Be6 6.Ne5= Nf6 7.Qc2 Be5 8.Be5 Nbd7 9.Bd4 a6=+ 10.Nc3 ab5 11.Nb5= 0–0 12.e4 c6 13.Nd6 b5 14.a4 (14.d3 Qe7 15.e5 Ng4 16.dc4 Nde5–/+) 0–1. Subedei – JF_, ChessWorld.net, 2005.

5.Nf3 Qe7 6.e4 Bd7 7.Bc4= Nf6 8.Nc3 0–0 9.0–0 c6 10.d4 ed4 11.Qd4+= Bc5 12.Qd3 cb5 13.Nd5+/– Nd5 14.Bd5 Bc6 15.Rfd1 Bd5 16.Qc3 f6= 17.Rd5 b6 18.Qb3 Kh8 19.Re1 b4 20.e5+/– fe5? 21.Ree5+– Qb7?? 22.Rh5 Nc6 23.Qc2 h6 24.Rh6 (24...Kg8 25.Qh7 Kf7 26.Ng5 Ke8 27.Re6 Qe7 28.Qg6 Rf7 29.Qf7#) 1–0. ygfr – lmyf, internet, 2009.

5.Nf3 f6 6.Qc2 Be6 7.e3 a6 8.Bc4 Bc4 9.Qc4 ab5 10.Qb5 Nd7 11.Nc3 c6 12.Qb3 b5 13.Ne4 Nc5 14.Qc2 Qe7 15.a4 Ra4 16.Ra4 ba4 17.Nc5 Bc5 18.Qa4 Qb7 19.0–0 Ne7 20.Rb1 0–0 21.Qc4 1–0. Wall,Bill – MikeG, Microsoft Gaming Zone, 1999.

5.Nf3 Qf6 6.Qc2 Be6 7.e4 Ne7 8.Bc4 Bg4 9.Ng1 0–0 10.h3 Bd7 11.Nc3 c6 12.Nf3 Rc8 13.Qb3 cb5 14.Nb5 Bb5 15.Bb5 a6 16.Be2 b5 17.a4 ba4 18.Qa4 Ng6 19.g3 Rd8 20.Bc3 Ne7 21.0–0 Nd7 22.d4 ed4 23.Bd4 Qg6 24.Nh4 Qg5 25.Be3 Qf6 26.Rfc1 a5 27.f4 Bb4 28.Bg4 Nb6 29.Qb5 Rab8 30.Qe2 Qd6 31.Qf2 Nd7 32.e5 Qa6 33.Nf5 Nd5 34.Bd4 Nf8 35.Bc5 Ne6 36.Bd6 Bd6 37.Nd6 a4 38.f5 Ng5 39.h4 Rb4 40.hg5 Rg4 41.Qf3 Qa7 42.Kh1 Qa8?? 43.Ra3 Rd4= 44.f6 g6 45.Ra2 Ne3 46.Qa8 Ra8 47.Rc7 Rf8?? 48.Re7 Rd1 49.Kh2 Ng4 50.Kh3 Ne5 51.Ne4 Rd5 52.Nc3+/– Rc5 53.Na4 Ra5 54.Nc3 Ra2 55.Na2 Nc6 56.Rd7 h5? 57.Nc3?? Rb8 58.Ne4 Rb4 59.Nd6 Rd4 60.Kg2 Rd5 61.Kf2+/– Rd3 ½–½. Taulien,Hans_Juergen – Holger,Gerards, remoteschach.de, 2002.

5.e3 Be6

6.Qc2 Bd5!? –/+.

6.Qc2 Nd7 7.Bc4 Bc4 8.Qc4 Qg5 9.Nf3?? Qg2–+ 10.Rg1 Qf3 11.Rg7 Ne7 12.Nc3 0–0–0 13.Ne4 Nb6 14.Nd6 Rd6 15.Qf7 Qf7 16.Rf7 Ng6 17.Rc1 Rd7 18.Rf5 Re8 19.h4? Nh4 20.Rh5 Nf3 21.Ke2 Rd2 22.Kf3 e4 23.Kg4 Rb2 24.Rh7 Nd5 (25.Rf7 Ra2–+) 0–1. Pruvost,Alain – Liefooghe,Thierry (1800), 7e open Herlies, 2002.

6.Qc2 Nd7 7.Nf3 Bg4 (7...Ngf6 8.Ng5 Bd5 9.e4–/+) 8.Bc4= Bf3 9.gf3 Qg5 10.Nc3 Ngf6 11.Ne4 Qg2 12.Ke2 Qg6 13.Rag1 Qh6 14.d4 ed4 15.Bd4 0–0 16.Rg5 Ne8 17.Rhg1 (17...Bh2 18.Rh1+/–) 1–0. Taulien,Hans_Juergen – Walker,Maria, remoteschach.de, 2002.

6.Qc2 Nf6 7.Nf3 Nbd7 8.Ng5 =+.

6.Nf3 Nd7 7.Qc2 Rc8 8.Bc4 Bc4 9.Qc4 c6 10.d4 e4 11.Nfd2 Nb6 12.Qb3 Nf6 13.bc6 Rc6 14.Nc3 Qe7 15.Nb5 Bb8 16.Rc1 Rc1 17.Bc1 Nfd5 18.Ba3 Qe6 19.Bc5 Kd7 20.Bb6+/– Nb6 21.Qe6 fe6 22.Ne4 Kc6 23.Nbc3 e5 24.Ke2 ed4 25.ed4 Rd8 26.Kd3 Nd5 27.g3 b5 28.Nd5 Rd5 29.f4 Rd8 30.Rc1 Kb6 31.Ng5 h6 32.Ne6 Rd7 33.Rc8 1–0. Taulien,Hans_Juergen – Bekemann,Uwe, remoteschach.de, 2001.

4.c4 c6

5.a4 dc4 6.Nf3 f6 7.e4 =+.

5.bc6 bc6 6.d4 e4 7.e3 Nf6 8.Qa4 0–0 9.Ba3 Be6 10.Ne2 Ba3 11.Qa3 a5 12.Nf4 Bf5 13.Nc3 Na6 14.Qa4 g5 15.Nfe2 Nb4 (15...Bd7 16.c5=) 16.Ng3 Bd7 17.c5 Qc8 18.a3 Nd3 19.Bd3 ed3 20.Qd1 Qa6 21.0–0 Rab8 22.Qd2 1–0. Mai,Wolfgang (2025) – Samir,Mohammad, AA/C15/pr/A ICCF, 2012.

5.cd5 cd5 6.Nf3 Nd7 =+.

5.a4 Nf6

6.cd5 cd5 7.e3 0–0 8.Nf3 Qe7 9.Be2 Bg4 10.Ng5 Be2 (10...Bf5 11.0–0 Rc8 12.d3 Nbd7 13.a5 Rc7 14.Ba3 Ne8 15.Nf3 Rac8+=; 10...Bd7 11.Nf3 Rc8 12.0–0 e4 13.Nd4 Qe5 14.g3 a6 15.f3 ab5+=; 10...Qd7 11.d4 Qf5 12.Bg4 Ng4 13.Nh3 Rd8 14.de5 Ne5 15.Be5 Be5+=) 11.Qe2 Nbd7 (11...Rc8 12.Nc3 h6 13.Nh3 a6 14.0–0 d4 15.Nd1 ab5+=) 12.Nf3 (12.0–0 e4 13.d3 ed3 14.Qd3 Bh2 15.Kh2 Ng4–/+) 12...Rac8 (12...e4 13.Nd4 Nc5 14.0–0 Qc7 15.f4 Nd3–/+) 13.0–0 Rc4 (13...Rc7 14.d3 Rfc8 15.Nbd2 Rc2–/+) 14.d4 (14.Nc3 Rfc8 15.Rac1 R4c7+=) 14...e4 15.Ne5 (15.Nfd2 Rc2–/+) 15...Ne5 (15...Be5?! 16.de5 Ne5 17.Ba3=) 16.de5 Be5 17.Ba3 Bd6 (better is 17...Bh2 18.Kh1 Bd6–+) 18.Rc1?? (better is 18.Bd6 Qd6 19.Nd2–/+) 18...Rc1–+ 19.Bc1 Qe5 (19...Qe5 20.Qb2 Rc8–+ (worse is 20...Qh2 21.Kf1–+)) 0–1. Pruvost,A (1645) – Dumas,V (1925), 10th La Fere Open, 2011.

6.cd5 cd5 7.Nf3 e4 =+.

6.e3 0–0 7.d4 e4 8.g3 Bb4 9.Bc3 Bc3 10.Nc3 a6 11.bc6 bc6 12.Bg2 Qa5 13.Qd2 Bg4 14.Ne4 Qd2 15.Nd2 Nbd7 16.Ne2 Rfb8 17.cd5 Nd5 18.Rc1 Be2 19.Ke2 N7f6 20.Rc6 Rb2 21.Rf6! Nc3 22.Kd3 Rc8 23.Ra6 Na2 24.Rc6 Nb4 25.Kc3 Nc6 26.Kb2 Rb8 27.Ka3 Na5 28.Rc1 g6 29.Rc5 Nb7 30.Rb5 1–0. usingprogram (1975) – andrzej12, kurnik, 2011.

6.e3 0–0 7.cd5 cd5 8.Nf3 Re8 9.Be2 Bf5 10.0–0 Nbd7 11.d4 e4 12.Nh4 Be6 13.g3 (13.Ba3 Ba3 14.Ra3 Rc8+=) 13...Rc8 14.Ba3 Nb6 15.Bd6 Qd6 16.Qb3 Bh3 17.Ng2 Ng4 (17...Nc4!?–/+) 18.Nd2 Qh6 19.Bg4 Bg4 20.Rfc1 Be2 21.Nf4 Bc4 22.Nc4 Nc4 (22...dc4 23.Qa2 g5 24.Ne2=) 23.Qb4 (23.Rc2!?+=) 23...Qg5+= 24.h4 (24.Rc3 Nb6=) 24...Qf5–/+ 25.Ra2 Rc7 26.Rac2 Rec8 27.Qe1 h6 28.Qe2 Kf8 29.Qh5+= Qh5 30.Nh5 a6 31.Nf4 ab5 32.ab5 Rd7= 33.Ra2 g5 34.hg5 hg5 35.Nh5 Rd6 36.g4 Rb6 37.Rb1 Ke7 38.Ng7 Nd6 39.Rab2 Rg8 40.Nh5 Ra8 41.Ng7 Nc4 42.Nf5 Kf6 43.Rb4 Ra5 44.Kg2 Na3?? 45.Rh1+– Ke6 46.Rh6 f6 47.Ng7 Kf7 48.Nf5= Nc4?? 49.Rb1+– Rab5? 50.Rbh1 Ne5 51.Rh7 Ke8 (51...Kf8 52.Rh8 Kf7 53.R1h7 Ke6 54.Re8) 1–0. Pruvost,A – Dumas,V (1805), 8th Open, La Fere FRA, 2009.

6.e3 0–0 7.cd5 cd5 8.Nf3 Re8 9.Be2 Bg4 10.Nd4 (10.0–0!?+=) 10...Be2 (10...ed4 11.Bg4 Be5 12.0–0 de3 13.Be5 ef2 14.Rf2 Re5 15.Bf3–/+) 11.Ne2 Nbd7 12.0–0 Nc5 (12...Rc8!?–/+) 13.d4+= ed4 14.Nd4 Rc8 15.Nc3 Nce4 16.Ne4 Re4 (16...Ne4!? 17.Qe2 g6+=) 17.Nf3= Ng4 (17...Rec4 18.Bf6 gf6 19.Ra2= (19.Qd5?? Bh2 20.Kh2 Qd5–+)) 18.h3+= Nh6 19.Bd4 (19.Qd5?? Bh2 20.Kh2 Qd5–+) 19...b6 20.Rc1 Bc5 (20...Rc1 21.Qc1 Nf5 22.Qc6+=) 21.Nd2 (21.Qd3 g6+/–) 21...Re8 22.Nb3 Qd6 (22...Bd6 23.Qh5 Rc4 24.Rfd1+/– (24.Qd5?? Bh2 25.Kh2 Qd5–+)) 23.Qd3 (23.Qc2 Rc7+/–) 23...Ba3 24.Rc2 (24.Rc8 Rc8 25.a5 f6+/–) 24...f6 (24...Qg6 25.Qg6 fg6 26.Rc8 Rc8 27.Ra1+/–) 25.a5 Rc7 (25...Nf7 26.Ra1 Rc2 27.Qc2+=) 26.ab6 ab6 27.Rc7 Qc7 28.Ra1 Qd6? 29.Bb6!+– Rc8? 30.Bd4 Nf7 31.b6 Nd8 32.Qa6 Qc6 33.Qa3 Qd7 34.Qa7 Qb5 35.Nc5! Rc5 36.Qe7 Rc8 37.Ra7 Ne6 38.Qe6 (38.Qe6 Kh8 39.Qc8 Qe8 40.Qe8#) 1–0. Pruvost,A – Wolfangel,C (1780), La Fere FRA, 2012.

6.e3 0–0 7.cd5 cd5 8.Nf3 Bg4 9.Be2 (9.h3 Bf3 10.Qf3 Nbd7+=) 9...Nbd7 10.Nd4 (10.h3 Bf5–/+) 10...ed4 11.Bg4 Ne5 (worse is 11...Ng4 12.Qg4 Rc8 13.0–0=) 12.Be2 de3 (12...d3 13.Bf3 Rc8 14.0–0–+) 13.fe3 (13.de3!? Bb4 14.Bc3 Bc3 15.Nc3–/+) 13...Ne4–+ 14.Ba3?? (better is 14.0–0 Qh4 15.Rf4–/+) 14...Qh4 15.g3 Ng3! (15...Ng3 16.Qb3 Nh1 17.Kd1 Ba3 18.Qa3 Rac8–+) 0–1. Pruvost,A – Barbaut,M (2030), La Fere FRA, 2012.

6.e3 Bf5 7.Ne2 0–0 8.Ng3 Bg6 9.c5 Bc5–/+ 10.Be5 Nbd7 11.Bb2 cb5 12.Bb5 a6 13.Be2 Qb6 14.Ba3 Rac8 15.0–0 Ba3 16.Ra3 Bc2 17.Qe1 Qb4 18.d4= Qb2 19.Qd2+/– Rc6 20.Bd3 Rfc8 21.Nf5 Kf8 22.Ng3 Qb6 23.a5 Qc7 24.Bc2 Rc2 25.Qb4 Kg8 26.Rb3 Rb8 27.Nc3 Rc8 28.Nf5 Rc3 29.Ne7 Kh8 30.Nc8 Rb3 31.Qb3= Qc8 32.Rb1 Qc7 33.Qb7 Qb7 34.Rb7+/– g6 35.Ra7 Kg7 36.Ra6+– Nb8? 37.Rb6 Nbd7 38.Rb7 Kf8 39.a6 Ke7 40.a7 (40...Kd6 41.a8Q+–) 1–0. Pruvost,Alain – Holland,Christophe (1700), 7e open Herlies, 2002.

4.c4 d4

5.e3 c5 6.Qc2 f5 7.ed4 ed4 8.d3 b6 9.Nf3 Nf6 10.g3 0–0 11.Bg2 Re8 12.Kf1 Bb7 13.Nbd2 Nbd7 14.Nh4 Bg2 15.Kg2 g6 16.Nhf3 Qc7 17.Rhe1 Qb7 18.Kg1 Ng4 19.Re8 Re8 20.Re1 Re1 21.Ne1 Nde5 22.Nf1? (better is 22.h3 Nf6 23.f4=) 22...Nf3–+ 23.Nf3 Qf3 24.h3 Ne5 25.Nd2?? (better is 25.Bc1 Qd3 26.Qd3 Nd3 27.Bg5–+) 25...Qe2 (25...Qd3?! 26.Qd3 Nd3 27.Ba3–+) 26.Kg2 (26.Qb1–+) 26…Nd3 (26...Nd3 27.Qd3 Qd3–+; 26...Qd3?! 27.Qd3 Nd3 28.Ba3–+) 0–1. Becker,Joachim – Egel,Jonas, Sparkassen Open, Nettetal GER, 2010.

5.e3 c5 6.ed4 ed4 7.Nf3 Nf6 8.Be2 0–0 9.0–0 a6 (9...Re8 10.d3–/+) 10.a4 (10.Na3 Re8+=) 10...ab5 11.ab5 (11.cb5 Bf5 12.Nh4 Be6+=) 11...Ra1–/+ 12.Ba1 Qa5 13.Bb2 Bf5 14.d3 Nbd7 15.Nbd2 Nb6 (15...Qb4!? 16.Qa1 Re8–/+) 16.Qb3+= Qa8 17.Nh4 Be6 18.g3 Qc8 (18...Qa4 19.Re1+=) 19.Bf3 (19.Qc2 Re8=) 19...Qc7 (19...g5 20.Ng2+=) 20.Ne4 Ne4 21.Be4 f5 22.Bg2 f4 23.Re1 Qd7 (23...fg3 24.hg3 (24.Re6 gf2 25.Kf1 Be7 26.Re7 Qe7–+; worse is 24.fg3 Bg4 25.Bd4 g5=) 24...Bg4 25.Re4 Bg3 26.Bd4 Bh2 27.Kf1–/+) 24.Bb7?? (better is 24.Nf3=) 24...fg3 (24...Qb7 25.Qd1 (25.Re6?? fg3 26.hg3 Qf7–+) 25...Bd7 26.Qh5–+) 25.fg3 (25.hg3 Qb7 26.f4 Qf7–+) 25...Qb7 26.Re6 (26.Bc1–+) 26...Qf7 (26...Qf7 27.Qd1 Qe6–+) 0–1. Pruvost,Alain – Tupet,G (1930), 6th LUCOPEN, 2015.

5.e3 c5 6.ed4 ed4 7.Nf3 Nf6 8.Be2 0–0 9.0–0 b6 10.d3 (10.Nd4 cd4 11.Bf3–/+) 10...Bb7 11.Nbd2 Nbd7 12.Ng5 Ne5 13.f4 Ng6 14.Bf3?? (better is 14.g3+=) 14...Bf3–+ 15.Qf3 (15.Ngf3 Nf4 16.Ne4 Ne4 17.de4 f6–+) 15...Bf4 16.Nde4 Ne4 17.Ne4 Be3 18.Kh1 (18.Nf2 Ne5 19.Qf5 Re8–+) 18...f5 19.Ng3 Ne5 20.Qd1 f4 21.Ne4 Qh4 22.h3 (22.Qe2 Rae8 23.a4–+) 22...f3 23.Kh2 (23.Rb1–+) 23...fg2 24.Rf8 (24.Kg2 Rf1 25.Qf1–+) 24...Rf8 25.Kg2 Rf3 (25...Rf2 26.Nf2 Qf2 27.Kh1 Nf3 28.Qf3 Qf3 29.Kh2 Qf2 30.Kh1 Bf4 31.Bd4 Qh2#) 26.Qh1 Rf2! (26...Rf2 27.Kg1 Nf3 28.Qf3 Rf3 29.Nf2 Qf2 30.Kh1 Rh3#) 0–1. Pruvost,A – Urbaniak,P (1915), La Fere FRA, 2012.

5.e3 c5 6.ed4 ed4 7.Nf3 Nf6 8.Be2 0–0 9.0–0 Nbd7 10.d3 Qc7 11.g3 Re8 12.Nh4 Ne5 13.Nd2 Bh3 14.Re1 Re7 15.Ndf3 Rae8 16.Ne5 Re5 17.Nf3 R5e7 18.Qd2 Bg4 19.Kg2 Qd7 20.Ng1 Bf5 21.Bf1 Ng4 22.Re7 Re7 23.Re1 Re1 24.Qe1 Qe7 25.Qe7 Be7 26.h3? Ne5–+ 27.Bc1 Nd3 28.Bd2 Ne5 29.Nf3? Be4 30.Be2 d3 31.Bd1 Nc4 32.Bc3 Nd6 33.a4 f6 34.Kf1 Kf8 35.Nd2 Bd5 36.Bf3 Bf3 37.Nf3 Kf7 38.Ne1 c4 39.Bd4 b6 40.Nf3 Ke6 41.Nd2 Kd5 42.Bb2 Ne4 43.Ne4 Ke4 44.Bc3 Bc5 45.Kg2 Bd4 (45...Bd4 46.Bd2 Be5 47.f3 Kd4–+) 0–1. Pruvost,A (1645) – Galtier,A (1755), 10th La Fere Open, 2011.

5.Nf3 c5 6.bc6 Nc6 7.e3 Bg4 8.Be2 Qb6 9.Qb3 Qb3 10.ab3 Nb4 11.0–0 Nf6 12.Rc1 e4 13.Nd4 Be2 14.Ne2 Nd3 15.Rc2 Ng4 16.Ng3 Nb4 17.Rc3 Bg3 18.fg3 a5 19.Ba3 Nd3=+ 20.Rc2 f5 21.Nc3 Nf6 22.Rca2 h5 23.Bd6 b6 24.Bc7 Ra6 25.Nb5 Kd7 26.Rf1 g6 27.h3 Kc6 28.Bf4 Raa8 29.Rb1 Nh7 30.Bh6 Nf8 31.Bg7 Rg8 32.Bf6 Ne6 33.Nd4 Nd4 34.ed4 Kd6 35.Bg5 Kd7 36.Rf1 Nb4 37.Ra4 b5 38.cb5 Rgb8 39.b6 Rb6 40.Rc1 Nd3 41.Rc3 Rb4 42.Bf4 Ra6 ½–½. Tiedemann,Joern (1810) – Seiler,Werner (2220), RSS7E adv–28, 2006.

5.Nf3 c5 6.bc6 Nc6 7.e3 Bg4 8.Be2 Bc5 9.Nd4+= ed4 10.Bg4+/– Nf6 11.Bh3 0–0 12.0–0 Re8 13.Na3 a6 14.Nc2 d3 15.Ne1 Ne4 16.Bf5 Bd6 17.Qg4+– Nf6 18.Bf6 Qf6 19.Nd3 h5 20.Qh3 Bc7 21.Rab1 (21...b6 22.c5 bc5 23.Nc5= (23.Qh5?! g6 24.Qg4 c4+=); 21.Qh5?! g6 22.Qg4 Qf5 23.Qf5 gf5+=). Taulien,Hans_Juergen – Stark,Lars, remoteschach.de, 2002.

5.Nf3 c5 6.bc6 Nc6 7.e3 Bg4 8.Be2 de3!? 9.de3 Nf6 =+.

5.Nf3 c5 6.bc6 Nc6 7.e3 Bg4 8.Be2 Qe7 9.Nd4+= ed4 10.Bg4 de3 11.de3 Bb4 12.Nc3 Rd8 13.Qe2 Nf6 14.0–0 Ne5 15.Bf3 0–0 16.Rfd1 Rc8 17.Nb5 Nf3 18.Qf3 a6 19.Nd4 Rc4 20.Nf5 Qe4?? 21.Nh6!+– Kh8 22.Qf6!! Qg6 23.Qg6 fg6 24.Rd7 Bc3 25.Rc1 Bb2 26.Rc4 gh6 27.Rb7 (27...Be5 28.f4+–) 1–0. Taulien,Hans_Juergen – Boldt,Alex, remoteschach.de, 2002.

5.Nf3 c6 6.e3 de3 7.de3 Nd7?? 8.Qd6+– Qe7 9.Be5 Ne5 10.Qe5 Qe5 11.Ne5 Nf6 12.bc6 b6 13.Nc3 0–0 14.Nb5 Re8 15.Nc7 (15...Re5 16.Na8+–) 1–0. Taulien,Hans_Juergen – Debbeler,Adrian, remoteschach.de, 2002.

5.Nf3 Be6 6.e3 de3 7.de3 Nd7 8.Nc3 Ngf6 9.Be2 0–0 10.0–0 h6 11.Qc2 Qe7 12.Rfd1 Rfd8= 13.Rac1 Nc5 14.Nd5+= Nd5 15.cd5+/– Bg4 16.Ne5! Be2 17.Qe2 Be5 18.Be5 Qe5 19.Rc5 b6 20.f4 Qf5 21.e4 Qf4 22.Rc6 Re8 23.Qf3 Qe4 24.Qe4 Re4 25.Rc7 Ree8 26.d6 Red8 27.a4 Kf8 28.Kf2 a6 29.Rb7 ab5 30.ab5 Rab8 31.Rc7 Rbc8 32.Rd3 Ra8 33.Rb7 Rab8 34.Ra7 h5 35.Kg3 g6 36.Kf4 Kg7 37.Ke5 Re8 38.Kd5 Red8 39.Kc6 Rdc8 40.Rc7 Rd8 41.Rb7 (41…Rbc8 42.Kb6+–; 41.d7 h4+–) 1–0. Trkn – guest7114, ICC, 2004.

4.c4 Nf6

5.cd5 Nd5

6.Nc3 Nc3 7.Bc3 0–0 8.e3 Nd7 9.Qc2 Re8 10.Ne2 a6 11.Ng3 ab5 12.Bb5 c6 13.Bd3 Nc5 14.Bh7+= Kf8 15.Bf5 g6 16.Bc8+/– Qc8 17.0–0 Qg4 18.Be5 Re5 19.d4 Rd5 20.dc5 Rc5 21.Qb2 Rca5 22.Qb7 Qe6 23.Rfd1 Ra2 24.Qa8 Ra8 25.Ra8 Kg7 26.Rd8 Be5 27.Ne2 c5 28.R8d5 c4 29.R5d2 Qf5 30.Rc1+– Qe4 31.Nd4 c3 32.Rdd1 f5 33.h3 c2 34.Rc2 f4 35.Re2 Bd4 36.Rd4 Qb1 37.Kh2 fe3 38.Re3 Qb2 39.Rd7 Kh6 40.f4 Qf2 41.Re4 Qb6 42.Ree7 g5 43.f5 Qb8 44.Rc7 g4 45.h4 Qg8 46.Rg7 Qg7 47.Rg7 Kg7 48.Kg3 1–0. Taulien,Hans_Juergen – Brueske,Thomas, remoteschach.de, 2003.

6.Nc3 Nc3 7.Bc3 Nd7 8.Qc2 0–0 9.Nf3 Re8 10.e4 Nc5 11.Be2 Ne6 12.0–0 Nf4 13.Bc4 Bg4 14.Ne1 Qg5 15.Kh1 Qh5 16.f3 Be6 17.Bb2 Rad8 18.Nd3 Nd3 19.Bd3 Be7 20.Rfd1 Bh4 21.Kg1 Rd7 22.Be2 Qg5 23.Bc3 Rc8 24.Qb2 Rcd8 (25.Qa3 Bh3+=). Taulien,Christian (1945) – Penzler,Frank (2255), Spendenturnier, 2006.

6.Nc3 Be6 7.Nd5 Bd5 8.Qc2 c6 (8...0–0!?+=) 9.e4= Be6 10.Nf3 f6 (10...0–0 11.Ne5 (worse is 11.Be5 Be5 12.Ne5 Qd4–/+) 11...cb5 12.Nf3=) 11.Bc4+= Qe7 12.0–0 Qf7 (12...0–0!+=) 13.Be6+/– Qe6 14.d4 cb5 15.de5 Be5 16.Be5 fe5 17.Rfb1 a6 18.a4 ba4? (better is 18...0–0 19.ab5 Rc8+/–) 19.Rb7+– Qc6 (19...0–0 20.Ng5 Qe8+–) 20.Rb8! Rb8 (20...Kd7 21.Ne5 Ke7 22.Nc6 Kf6 23.Qc3 Kg6 24.Ne5 Kf6 25.Rb6 Ke7 26.Qc5 Ke8 27.Rd1 a3 28.Re6#) 21.Qc6 (21.Qc6 Kf8 22.Qd6 Kg8 23.Qe6 Kf8 24.Ne5 Rb7 25.Rc1 g6 26.Qf6 Kg8 27.Rc8#) 1–0. pierre – tjacot, Microsoft, 2012.

6.e4 Nf6 7.Qc2 0–0 8.Nf3 a6 9.a4 Bg4 10.Ne5+= Re8 11.Ng4 Ng4 12.Be2 Nf2? 13.Kf2+– Qh4 14.Kf1 Re4 15.Nc3 Qf6 16.Bf3 Re8 17.Ne2 Qd8? 18.Qc3 f6? 19.Bb7 Qe7 20.Qc4 Kh8 21.Ba8 Be5 22.d4 Bd6 23.ba6 Nd7 24.Bc6 Rd8 25.a7 Nb6 26.Qd3 Qe6 27.Qf3 g6 28.d5 Qf7 29.Bf6 Kg8 30.Bd8 Qf3 31.gf3 Kg7 32.Rc1 Na4 33.Ba4 h5 34.Bc7 Be5 35.Be5 Kf7 36.Rc7 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, remoteschach.de, 2002.

6.e4 Nf6 7.Qc2 0–0 8.Nf3 Re8 9.Bc4 =+.

6.e4 Nf6 7.Qc2 0–0 8.Nf3 Bg4 9.Ne5+= Be5 10.Be5+/– c6 11.f3 Be6 12.d4 Nbd7 13.Bd6 Re8 14.bc6 bc6 15.Nd2 Qa5 16.Be2 Rec8 17.0–0 c5? 18.d5+– Bd5 19.ed5 Nd5 20.Rfc1 Qb6 21.Nc4 Qc6 22.Bd3 N5f6 23.Bg3 Rc7 24.Rab1 Rcc8 25.Nd6 Rcb8 26.Nf5 g6 27.Rb8 Nb8 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, remoteschach.de, 2002.

4.d3 Nf6

5.Nc3? Bb4–+ 6.d4 ed4?? (better is 6...Ne4 7.Qd3 ed4 8.Qd4 Qf6 9.Qf6 gf6–+ (9...Nf6?! 10.e3+=)) 7.Qd4+= Ba5 8.Nf3 0–0 9.e3 Re8 10.Be2 Ne4 11.0–0 Nd7?? (better is 11...Bc3 12.Bc3 Nc3 13.Qc3 a6+=) 12.Ne4+– Re4 (12...Nf6 13.Nf6 Qf6 14.Qf6 gf6+–) 13.Qg7 1–0. Jokmin,Alex – Holmquist,Marson, SN–2010–0–00236, 2010.

5.Nd2 Bd7 6.d4 Bb5?? 7.de5+– Be5 8.Be5 Nc6 9.Bb2 0–0 10.Nb3 Qd6 11.Nf3 Rfe8 12.Qd2 Re7 13.0–0–0 Rd8 14.Qc3 Be2+= 15.Be2 Re2 16.g3 Rf2 17.Rd2 Rd2 18.Qd2 Ne7 19.Qa5 a6 20.Be5+/– Qb6 21.Re1 Qf2? 22.Bc7?? Rc8 23.Qc3?? Ne4 24.Qe5 Qf3 25.Qe7 Qc3 26.Re2 Qc7 27.Qb4? b5 28.Nd4 Qc4 29.Qc4 Rc4 30.Nf5 Kf8 31.Ne3 Rc5 32.Re1 Ke7 33.Kb2? g6 34.Kb3? Kd6 35.Kb4 f5 36.a4 ba4 37.Ka4 d4 38.Rd1 Ke5 39.Nf1 Rc2 (40.Kb4 g5–+; Better is 39...Nc3 40.Kb4 Rb5 41.Kc4 Nd1–+) 0–1. Taulien,Christian – Hangmann,Christian, remoteschach.de, 2002.

4.d4 ed4

5.Qd4 Nf6 6.c4 c5 7.Qe3 Be6 8.cd5 Nd5 9.Qd2 0–0 10.e4 Bf4–/+ 11.Qc2 Qa5 12.Nd2 Re8 13.Ne2?? Nb4–+ 14.Qb1 Bd2 15.Kd2 Rd8 16.Ke3 Rd3 17.Qd3 Nd3 18.Bc3 Nb4 19.Bb4 Qb4 20.Rd1 Nd7 (21.f3 Qb5–+) 0–1. Pierred (2125) – Nemrod (2600), Rated game, 2005.

5.Qd4 Nf6 6.c4 c5 7.Qe3 Be6 8.cd5 Nd5 9.Qd2 0–0 10.e4 Bf4 11.Qc2 Re8 12.Nf3 Qa5 13.Nbd2 Bf5 14.Kd1 Bg6 15.Nc4? Qd8 16.Bd3? Nb4 17.Qc3 Qd3 18.Nfd2 f6 19.f3 Rd8 20.g3 Bd2 21.Nd2 Qb5 22.a4 Qa6 23.Qb4 cb4 24.Ke1 Qd3 25.Rd1 Qe3 (26.Kf1 Rd2 27.Rd2 Qd2–+) 0–1. Pierred (2100) – Nemrod (2590), Rated game, 2005.

4.d4 e4

5.a4 e3–/+ 6.Nf3 Nf6 7.fe3 Ng4 8.Qd2 Bh2!–+ 9.Rh2 Nh2 10.Nc3 Nf1 11.Kf1 f5 12.Ba3 h5 13.Ne5 Be6 14.a5 h4 15.Ng6 Rh6 16.Nf4 g5 17.Ne6 Re6 18.Kg1 Rf6 19.Rf1 c6 20.Qd3 Qa5 21.e4 fe4 22.Ne4 Rf1 23.Kf1 Qc7?? 24.Nd6+– (24...Kd8 25.Qf5+–) 1–0. Kitama – koding, mySchach.de, 2005.

5.c4 dc4 6.Nc3 e3–/+ 7.Nf3 Nf6 8.Qc1 Ng4 9.Nd1 ef2 10.Nf2 0–0 11.e4 Qe8 12.Bc4 Nf2 13.Kf2 Qe4 14.Re1 Qg6 15.Ne5 Qh5 16.Qf4 a6 17.Ke3 ab5 18.Rf1?? bc4 19.Rf3 f6 20.g4 Qe8 21.Qe4 Qb5 22.Nc4 Re8 23.Nd6 Re4 24.Ne4 Qb2 (25.Rd1 Ra3 26.Rd3 Qc1 27.Ke2 Ra2 28.Rd2 Bg4 29.Ra2 Qc4 30.Kf2 Qa2 31.Kg3 Bf3 32.Kf3 Qh2–+) 0–1. Pierred (2325) – Andrea K (2380), Rated game, 1m + 3s, 2005.

5.c4 e3 6.Nf3 dc4 7.fe3 –/+.

5.e3 a6 6.Nc3 Nf6 7.Nge2 0–0 8.Ng3 g6 (8...Bg4!? 9.f3 ef3 10.gf3 Bd7–/+) 9.Be2+= Be6 10.0–0 ab5 11.Nb5 Be7 12.Nc3 (12.c4 dc4 13.Qc2 Nc6=) 12...h5 13.h4? (better is 13.f3 h4 14.Nh1=) 13...Ng4–+ 14.Bg4 Bg4 (14...hg4?! 15.h5+=) 15.f3 (15.Qc1 Bh4 16.Nge2 b6–+) 15...ef3 16.gf3 Bh3 17.Rf2 Bh4 18.Nce2 (18.Rh2 Be6 19.Nge2–+) 18...Qg5 19.Kh2 Qe3 20.Kh3 Qf2 21.Qf1 Bg3 22.Qf2 (22.Ng3 Qc2 23.Qb5 h4–+) 22...Bf2 23.Rf1 (23.Nf4 Nc6 24.Nd5 Bd4 25.Ne7 Ne7 26.Bd4 Nf5–+) 23…Ra2 (23...Ra2 24.Rf2 Rb2–+) 0–1. Tiedemann,Joern (2125) – Tauscher,Karl, RSX–Senioren–1, 2007.

5.e3 a6 6.c4 dc4 7.ba6 Na6 8.Nd2 Nf6 9.Bc4 0–0 10.Ne2 c6 11.0–0 Re8 12.Qb1 Nb4–/+ 13.Nc3? Bh2!–+ 14.Kh2?? Ng4 15.Kg1 Qh4 16.Re1 Qf2 17.Kh1 Ra5 18.Nb5 Rb5 19.d5 Re6! 20.Bg7 Kg7 21.Qb2 Kg8 22.Qf6 Rf6 23.Nf3 Rh6 24.Nh4 Rh4# 0–1. COMP – COMP, 2002.

5.e3 Nf6 6.Nc3 a6 7.Qd2 0–0 8.ba6 Na6–+ 9.0–0–0 Nb4 10.Kb1 Re8 11.Nge2 Ng4 12.Nf4 Bf4 13.ef4? e3 14.fe3 Ne3 15.Re1 Nbc2 16.Re2 Bf5 17.Kc1 Re6 18.Rf2 Nb4 19.a4 Ra4 20.Bb5 Ra5 21.Be2 Qa8 22.Qe1 Qa7 23.Nd1 Ra1 24.Kd2 Qa2 25.Bd3 Nd3 26.Qe3 Rd1! 27.Kd1 Qb3 28.Kd2 Qb2 29.Kd1 Nf2 30.Ke1 Qc1 31.Kf2 Qe3 32.Kf1 Qe1# (32...Bd3#) 0–1. COMP – COMP, 2002.

5.e3 Nf6 6.c4 dc4 7.Bc4 a6 =+.

5.e3 Nf6 6.c4 c6 7.Nc3 cb5 8.Nb5 Be7 9.Nc3 Bb4 10.cd5 Nd5 11.Qb3 Nc6 12.0–0–0 Bc3 13.Bc3 0–0 14.Bd2 Be6 15.Qb2 Qe7 16.Be2 Ncb4 17.Bb4 Nb4 18.Kd2 Rfc8 19.Rc1 Na2 20.Rc8 Rc8 21.h4 Qc7 22.Kd1 Qa5 23.Bc4 Rc4 24.Ne2 0–1. COMP – COMP, 2002.

4.e3 a6

5.a4 ab5 6.Bb5 c6 7.Be2 Nf6 8.c4 0–0 9.Nf3 Nbd7 10.0–0 Re8 11.d4 e4 12.Nfd2 Qc7 13.g3 (13.c5 Bh2 14.Kh1 b6+=) 13...Nf8 14.c5 Be7 15.Nc3 Bh3 16.Qc2? (better is 16.Re1+=) 16...Bf1–+ 17.Nf1 b6 18.cb6 Qb6 19.Ba3 Ba3 20.Ra3 Reb8 21.Bd1 (21.Nd2 Ne6–+) 21...Ne6 22.Nd2 Qb2 (22...c5 23.Rb3 Qc7 24.Rb8 Rb8 25.dc5 Nc5 26.Nb5–+) 23.Ra2 Qc2 24.Bc2 Ne8 (24...c5 25.dc5 Nc5 26.f3–+) 25.f4 f5 26.Kf2 Nd6 27.Ke2 Rb4 28.h3 Rab8 29.Kd1 Nc4 30.Nc4 Rc4 31.Kd2 Rcb4 32.Kc1 g6 33.h4 Nc7 34.Ra3 Na8 35.Na2 Rc4 36.Nc3 Nc7 37.Kd2 Rcb4 38.Kd1 ½–½. Baer,Cy (1895) – Daniel,Achim (1890), RSS7E easy–57, 2007.

5.Nf3 Qe7 6.Nc3 Nf6 7.a4 0–0 8.Be2 Re8 9.0–0 c5 10.bc6 bc6 11.h3 a5 12.Qc1 Na6 13.Nd1 Bd7 14.Nh2 Ne4 15.c4 Nac5 16.Qc2 Rab8 17.d3 Nf6 18.Rb1 Na6 19.d4? (better is 19.Ng4!? Nb4 20.Qc3–/+) 19...Nb4–+ 20.Qd2? (20.Qc1 ed4 21.Bd4 Bf5–+) 20...ed4 21.Bd4 Bf5 (21...Ne4 22.Qe1–+) 22.Rb3 (22.Nc3 Bb1 23.Rb1–+) 22...c5 (better is 22...Ne4 23.Qb2 c5 24.Bg7 Qg5–+) 23.Bf6–/+ Qf6 24.cd5 Nd5?? (better is 24...Qg6 25.f4 Bh3–/+) 25.Rb8+– Rb8 26.Bc4?? (better is 26.Qd5 Bc2 27.Ng4+–) 26...Nb4 27.Nc3 Be5 28.Ne2 Qg6 29.Kh1? Be4 30.f3 Bd3 31.Ng4? Bd6 32.Qc3?? h5 33.Bd3? Nd3 34.Nh2?? Rb2–+ 35.Qa5 Re2 36.Qa8 Kh7 (36...Kh7 37.f4 Re3–+) 0–1. Kislov,Leonid – Krivonogov,Yuri, Omsk RUS, City Ch, 2012.

4.e3 b6

5.a4 a5 6.Nf3= Nd7 7.c4 Bb7 8.cd5 Ngf6 9.Nc3 Nd5 10.Bc4 Nc3 11.Bc3 Qe7 12.Qc2 Qf6 13.Be2 g5 14.d4+= 0–0–0 15.Rc1 h5 16.de5 Ne5+= 17.Ne5 Be5 18.Be5 Qe5 19.Bf3 Bf3= 20.gf3 Rd5 21.Qc6 Rc5?? 22.Rc5+/– Qc5 23.Qa8 Kd7 24.Qh8 Qc1 25.Ke2 Qh1 26.Qh5 Ke8 27.Qg5 Qh2 28.Qg8 Ke7 29.Qg3 (29...Qg3 30.fg3+–) 1–0. Myers – Long, Burlington, 1978.

5.a4 Nf6 6.Nf3 e4 7.Nd4 =+.

5.c4 Bb7 6.cd5 Bd5 7.d4 e4 8.Qg4 g6 9.Nc3 Bb4 10.a3 f5 11.Qh3 Be7 12.Nge2 Nf6 13.Nf4 0–0?? 14.Ncd5+– Nd5 15.Bc4 c6 16.bc6 b5 17.Bd5 Kg7 18.Ne6 (18...Kh8 19.Nd8 Bd8 20.c7 Bc7 21.Ba8+–) 1–0. Fritz 8 – NN, 2005.

5.c4 c6 =.

5.c4 Nf6 (--> 4.e3 Nf6 5.c4 a6).

5.c4= Nf6 6.cd5 a6 7.Nc3 0–0 8.Nf3 e4 9.Ng5 Bf5 10.Qa4 Be5 11.Bc4 Nbd7 12.ba6= Nc5 13.Qc2 Bc3 14.Qc3 h6 15.Nh3 Na4=+ 16.Qc2 Nb2 17.Qb2 Nd5 18.Rc1 Bh3 19.gh3 Nf6 20.Qb5 Qd6 21.d4 ed3 22.Bd3 Rfd8 23.Rd1 Qe6 24.Qc4 Qh3 25.Qc7+= Qg2 26.Rf1 Rac8 27.Qg3 Qc6 28.Rg1 Ne8 29.Qe5 Qa4 30.Qe4 Qa5 31.Ke2 Kf8 32.Rd2 Qh5 33.Qf3 Qh2 34.Rb1 Qd6 35.Qe4 Nf6 36.Qb4 Nd5 37.Qd6 Rd6 38.Ke1 Ne7 39.Be4 Rd2 40.Kd2 Rd8 41.Ke2 Nc8 42.Rc1 Na7 43.Rc7 Nb5 44.Rb7 Ra8 45.Bc6 Ra6 46.Bb5 Ra2 47.Kf3 Rc2 48.Rb6 Rb2 49.Rb8 Ke7 50.Rb7 Kf6 51.Kg3 g5 52.f4 Rb3 53.Rf7 Kg6 54.f5 Kf7 55.Bc4 Kf6 56.Bb3 Kf5 57.Bc2 Kf6 58.Kg4 Ke6 59.Be4 Ke5 60.Bh1 Kf6 61.Kh5 Kg7 62.e4 Kh7 63.Bf3 Kg7 64.e5 Kh7 65.e6 Kg7 66.Bg4 Kf8 67.Kh6 Ke8 68.Kg5 Ke7 69.Bf5 Kf8 70.Kf6 Ke8 71.Bg6 Kd8 72.e7 1–0. Taulien,Hans_Juergen – Guenter,Henrich, remoteschach.de, 2001.

5.Be2 Ne7 6.c4 c6 7.cd5 Nd5=+ 8.Qb3 Bd7 9.e4 Nf4–/+ 10.Qg3 Qe7 11.bc6 Nc6 12.Nf3 Nb4 13.Na3? Nbd3–+ 14.Bd3 Nd3 (15.Kf1 Nb2 16.Qg7 0–0–0 (16...Ba3 17.Qh8 Qf8 18.Qe5 Qe7 19.Qh5=) 17.Rc1 Kb7–+; 14...Ba3?! 15.Ba3 Nd3 16.Ke2 Qa3 17.Ne5=+) 0–1. Langguth,Wilhelm – Ward,R, corr ICCF Cup8 V186, 1990.

5.Be2 Nf6 6.Nf3 e4 7.Nd4 =.

4.e3 c5

5.a4 f5 6.c4 d4 7.g3 Nf6–/+ 8.Bd3 e4 9.Be2 0–0 10.h3 d3–+ 11.Bf1 Be6 12.Na3 Qc7 13.f4 Qf7 14.g4 fg4 15.hg4 Bg4 16.Qc1 Nh5 17.Bh3 Qf5 18.Bg4 Qg4 19.Rh5 Qh5 20.Kf1 Be7 21.Qd1 Qd1 22.Rd1 g5 23.Nh3 g4 24.Nf2 h5 25.Kg1 Nd7 26.Kh1 Nf6 27.Rg1 Kh7 28.Nb1?! Rae8 29.a5 Bd8 30.Bc3 b6 31.a6 Rg8 32.Rg3 Kh6 33.Nd1 h4 34.Rg1 g3 35.Kg2 Kh5 36.Bf6 Bf6 37.Kf1 h3 (38.Rg2 hg2 39.Kg2 Kg4–+) 0–1. riverborne – ossie20, Caissa.com, 2004.

5.a4 Nf6 6.d4 ed4 7.ed4 –/+.

5.c4 d4 6.e4 Nf6 7.d3 (7.Qc2 A) 7...0–0 8.Nf3 (8.Be2 a6 9.Na3 ab5 10.Nb5 Nc6 11.Nf3 Be7 12.0–0 Nb4 13.Qb1+=; 8.Na3 Nh5 9.g3 Nd7 10.Be2 Nhf6 11.Nf3 b6 12.0–0 Qc7 13.Nh4+=) 8...a6 9.Na3 b6 10.Be2 Nbd7 11.ba6 Ra6 12.Nb5 Be7 13.0–0=; B) 7...a6 8.Nf3 (8.Na3 ab5 9.Nb5 0–0 10.Nf3 Nc6 11.Be2 Be7 12.0–0 Nb4 13.Qb1+=) 8...0–0 9.Na3 b6 10.Be2 Bb7 11.d3 Nfd7 12.0–0 f5 13.ef5+=) 7...0–0 (7...a6 8.a4 (8.Qa4 Nbd7 9.Bc1 Nb6 10.Qb3 ab5 11.Qb5 Bd7 12.Qb2 Qc7 13.Bg5–/+) 8...Nbd7 9.Be2 Qa5 10.Qd2 Bc7 11.Nf3 Qd2 12.Nbd2 ab5 13.ab5+=) 8.h3 (8.Nf3 a6 9.ba6 Na6 10.Be2 Nb4 11.a3 Nc6 12.0–0 Be6 13.Qb3+=; 8.Be2 a6 9.ba6 ba6 10.Nf3 Nbd7 11.0–0 Rb8 12.Bc1 Re8 13.Nbd2+=) 8...h6 (8...a6 9.Qa4 Nbd7 10.Nf3 Nb6 11.Qc2 ab5 12.cb5 Na4 13.Bc1–+) 9.Nf3 Nh7 (9...a6 10.ba6 Na6 11.Be2 Nb4 12.a3 Nc6 13.Nbd2+=) 10.g3 (10.Be2 a6 11.Qa4 Ng5 12.Nbd2 Nd7 13.0–0+=) 10...f5 (10...a6 11.Qa4 Qf6 12.Bg2 Nd7 13.Bc1+=) 11.ef5 Bf5 12.Bg2 (12.Nh4 Be6 13.Bg2+=) 12...Nf6 (12...e4 13.Nh4+=) 13.Nh4 Bc8 14.0–0 Qc7 15.Nd2 g5 16.Nhf3 Bf5 17.Qe2 Nbd7 18.Nh2 Rae8 19.Ne4 b6 20.Bc1 Kg7 21.Bd2 Ne4 22.de4 Bg6 23.a4 Nf6 24.a5 Qb7 25.ab6 ab6 26.Ra6 Ra8 27.Rfa1 Ra6 28.ba6= Qc6 29.f3 Ra8 30.Be1 Bf7 31.Nf1 Qc8 32.a7 Qb7 33.Qa2 b5 34.Qa6 Qd7 35.cb5+/– Bc4 36.Qc6 Qc6 37.bc6 Bb5 38.Nd2 c4? 39.Ra5+– c3 40.Rb5 cd2 41.Rb7 Kg6 42.Bd2 Ne8 43.Ba5 Bc5 44.Bb6 Bb6 45.Rb6 Nc7 46.Rb7 Nb5 47.Rb5 Ra7 1–0. Wiszniowski,Eugeniusz (1750) – Twarogiel,Tadeusz, Sielpia Wielka k. Konskich Poland, 2010.

5.c4 d4 6.Be2 Nf6 7.d3 0–0 8.Nf3 Re8 9.0–0 a6 10.a4 de3 11.fe3 e4 12.Nh4? (12.Ng5 Ng4 13.Bg4 Qg5 14.Bc8 Rc8 (14...Qe3? 15.Kh1 Qh6 16.Bh3+–) 15.de4 Qh6=) 12...Bh2 (better is 12...ed3 13.Qd3 Ng4–/+) 13.Kh2= Ng4?? (better is 13...ed3 14.Bf6 Qc7 15.g3 de2 16.Qe2 gf6=) 14.Bg4+– Qh4 15.Kg1?? (better is 15.Bh3+–) 15...Bg4–+ (worse is 15...Qg4 16.Nc3 ed3 17.Qd3 ab5 18.ab5 Ra1 19.Ba1–/+) 16.Qd2 ed3 17.Qd3 Qg5 18.Rf4 Nd7 19.Qd5 Qd5 20.cd5 f5 21.Kf2 Rac8 22.Nd2 g5 23.Rc4 Nb6 24.Rg4 fg4 25.e4 c4 26.Bc3 Nd7 27.Ke3 ab5 28.ab5 Rc5 29.Ra7 Rb5 30.Kd4–/+ Re7 31.Nc4+= Rb1 32.Ra1 Ra1–/+ 33.Ba1 h5 34.Ke3? h4–+ 35.Nd6 h3 36.gh3 gh3 37.Nf5 Rh7 38.Ng3 h2 39.Nh1 Re7 40.Bc3 Rf7 41.Ke2 Nf6 42.Bf6 Rf6 43.Ng3 Rf4 44.Ke3 Rg4 45.Nh1 Rg1 46.d6 Rh1 47.Ke2 Kf7 48.e5 Ke6 0–1. von Herman,A – Sonnenburg,H, 2.DBLNO, 1992.

5.Nf3 Nd7 6.c4 d4 7.Bd3 +=.

5.Nf3 Nd7 6.Be2 Ngf6 7.0–0 0–0 8.c4 d4 9.ed4 ed4 10.Bd3 Ne5 11.Qc2? (11.Ne5 Be5 12.Re1 Re8–/+) 11...Nd3?? (11...Nf3 12.gf3 Qd7–+) 12.Qd3–/+ Re8 13.a4 g6 14.Na3 Bf5 15.Qb3 Be4 16.Rfe1 Bf3 (better is 16...Qa5!?–/+) 17.Qf3= Re1 18.Re1 b6 19.Nc2 Qc7?? (better is 19...a6=) 20.Qa8+– (20.Qf6?! Bh2 21.Kf1 Qf4 22.Qf4 Bf4+–) 20...Kg7 21.g3 Nh5 22.Ne3 Be5 (22...Nf6 23.Nd5 Nd5 24.Qd5+–) 23.Ng2 (better is 23.Nd5 Qb8 24.Qc6 g5+–) 23...Ng3 (23...Nf6+–) 24.hg3 Bg3 (24...f6 25.Qc6 Qf7 26.a5+–) 25.fg3 Qg3 26.Qe4 h5 (26...g5 27.Qe7 Qd3 28.Qg5 Qg6 29.Qe5 Qf6 30.Qb8+–) 27.Qe5 (better is 27.Bd4 cd4 28.Qd4 Kh6+–) 27...Qe5 28.Re5 Kf6 29.Rd5 Ke6 30.Nf4 Ke7 31.a5! ba5 (31...h4 32.Ba3 h3 33.Bc5 bc5 34.b6+–) 32.Rc5 Kd6 33.Rc6 Kd7 34.Ra6 g5 35.Nd5 White prepares b6 35...f5 36.Ra7 Kd6 (36...Kc8 37.Rc7 Kb8 38.Bd4 Ka8 39.Ba7 a4 40.Nb6) 37.b6 (37.b6 d3 38.b7 Kc6 39.b8Q a4 40.Qc7; 37.Ba3 Ke5 38.Re7) 1–0. jura1946 – feco, internet, 2012.

5.Nf3 Qe7 6.Be2 Nf6 7.d4 e4 8.Ne5 c4 9.f4 Nfd7 10.Nc3 Bb4 11.0–0= Qd6 12.Nd5 Ne5?? 13.de5+– Qc5 14.Qd4 Be6? 15.Qc5 Bc5 16.Nc7 Kd8 17.Ne6 fe6 18.Kf2 Rf8 19.g3 g5 20.Bd4 Ba3? 21.Bc4 Ke7 22.Ke2 g4 23.h3 gh3 24.Rh1 Nd7? 25.Rh3 Rf7 26.Rh6 Nf8 27.Rb1 Rc8 28.Bb3 b6 29.Rd1 Rg7 30.Kf2 Ng6 31.Rdh1 Nf8 32.R1h4 Kd7 33.f5! Rf7 34.g4 Bc5 35.Ke2 Bd4 36.ed4 Rg7 37.fe6 Ke8 38.d5 Ng6 39.Rh7 Rg8 40.R4h6 Ne5 41.d6 Rc3 42.Rh8 Rf8 43.Rf8 Kf8 44.e7 (44…Kg7 45.e8Q Re3 46.Ke3 Kh6 47.Qh5 Kg7 48.Qe5 Kh6 49.d7 Kg6 50.d8Q Kh7 51.Qd7 Kg6 52.Qeg7#) 1–0. Neuwald,Volker (1780) – Wagner,Martin (1945), Baden–ch HT4, 1994.

5.Nf3 f6 6.d4 (6.c4 Ne7=) 6...Bg4 (6...cd4 7.ed4 e4 8.Nfd2=) 7.Be2 (7.h3 Bf3 8.Qf3 cd4 9.ed4=) 7...Qc7 (7...cd4 8.ed4 e4 9.Nfd2 Be2 10.Qe2= (worse is 10.Ke2 Qd7 11.Nc3 Ne7–/+)) 8.dc5 (8.de5 fe5 9.Qd5 Nf6+/–) 8...Bc5 (8...Qc5!? 9.Ba3 Qc7 10.Bd6 Qd6=) 9.Qd5+/– Ne7 10.Qb3 Nd7 (10...Bf5 11.0–0+/–) 11.Nbd2 (11.Ng5 Bb4 12.Qb4 Be2+–) 11...Bb6 (11...Bf5 12.Nh4+/–) 12.Ba3 (12.Ng5 fg5 13.Bg4 Ba5+–) 12...Nc5 (12...Bc5 13.Rd1+/–) 13.Qb4 (13.Bc5!? Qc5 14.Ne4 Ba5 15.c3+/–) 13...Rd8?? (better is 13...e4 14.Nd4 Be2 15.Ne2 Rd8+=) 14.Qg4+– (14.Qg4 0–0 15.Qc4 Kh8 16.Nb3+–) 1–0. Navratil,F – Olej,Emil, corr CSR–chT, 1964.

5.Nf3 Bg4 6.Be2 Nd7= 7.h3 Bh5 (7...Bf5 8.d3=) 8.0–0 (8.c4 Ngf6 9.g4 Bg6+=) 8...Ne7 (8...Ngf6 9.d3=) 9.Nc3 Nf6 (9...e4 10.Nh4 Be2 11.Qe2=) 10.a4 (10.Ne5!? Be2 11.Ne2+/–) 10...0–0 (10...Bg6=) 11.Nh2 (better is 11.Ne5!? Be5 12.Bh5+=) 11...Bg6–/+ 12.d3 (12.a5 d4 13.Na4 Ned5–/+) 12...Qc7 (12...d4 13.Nb1 de3 14.Na3–/+) 13.g3? (13.Ng4 Nd7–/+) 13...e4 (13...d4 14.Ne4 Ne4 15.de4 Be4 16.Nf3–+) 14.Kg2 (better is 14.Ng4!?+=) 14...h5–+ 15.Rh1 (15.a5 Be5–+) 15...Rad8 (15...Be5 16.b6 ab6 17.Nb5–+) 16.Nf1 (16.g4 d4 17.ed4 ed3 18.Bd3 Bd3 19.cd3 Ng6–+) 16...ed3 (16...Nf5 17.Qe1–+) 17.cd3 c4 18.d4 a6 19.f3 Nf5 20.Qe1? Rfe8–+ 21.Bc1 Bb4 22.g4 Nd4! 23.Bd2 Nc2 24.Qd1 Na1 25.Qa1 h4 26.g5 Nh5 27.Qb2 Bc3 28.Bc3 ab5 29.Qb5 Nf4! 30.Kf2 Ne2 31.Ke2 Bd3 32.Kf2 Bf1 33.Kf1 Re3 34.Ba5 Qg3 35.Bd8 Re1# 0–1. Baer,Cy (1895) – Schroeder,Marcel (1980), RSS5E NoEngine–26, 2007. (even known as Beckmann–Gerstner)

5.Nf3 Bg4 6.Be2 e4 7.Ne5 Be2 8.Qe2 =.

5.Nf3 Bg4 6.h3 Bf3 7.Qf3 Nf6 +=.

5.f4 Qe7 6.Nf3 Bg4 7.fe5 Bf3 (7...Be5 8.Be5 Bf3 9.Qf3) 8.Qf3 (8.ed6?! Qh4 9.g3 Qb4) 8...Be5 9.Be5 Qe5 10.Nc3 Nf6 11.Bd3 (11.Bc4!+/–) 11...0–0 12.0–0 Nbd7 13.Qh3 h6 14.Rf5 Qd6 15.Raf1 Rae8 16.Rf6?? (16.R5f4+=) 16...Nf6 17.Qh4 Ne4 18.Be4 de4 (18...Re4?! 19.Ne4 de4 20.Qe4 Qd2 21.Qb7 Qe3=) 19.Ne4 Re4 (19...Qd5!? 20.d3 Qa2–/+) 20.Qe4 Qd2 21.a4 Qd7 22.Qd3 Rd8 23.Rd1 Qd3 24.cd3 f5 ½–½. Frenzel,Lothar – Husslein, corr private, 1998.

4.e3 c6

5.a4 Bf5 6.Nf3 Nd7 7.c4 Ngf6 8.Nc3 (8.d4 e4 9.c5 ef3 10.cd6 fg2 11.Bg2 Nb6+=) 8...0–0 9.Be2 (9.d4 Qa5+=) 9...Qc7 (9...dc4 10.Bc4 e4 11.Nd4+=) 10.cd5+= Nd5 (10...cd5 11.Rc1 Qb6 12.d4+=) 11.Nd5 cd5 12.Rc1 Qb8 (12...Qd8 13.0–0=) 13.Qb3 Be6 (13...Nf6 14.0–0=) 14.Ng5 Nc5 (14...Qd8 15.Ne6 fe6 16.Ba3=) 15.Qc2 (15.Rc5 Bc5 16.Qc2 Rc8 17.Qh7 Kf8 18.Ne6 fe6+–) 15...g6 (15...e4 16.Qc3 f6 17.Ne6 Ne6 18.Qb3+=) 16.Ne6 Ne6 (16...fe6 17.Be5 Be5 18.Qc5+=) 17.Qd3 (17.Qb3 Rd8+=) 17...Rd8= 18.f4 (18.Qb3 a6+=) 18...d4 (18...ef4 19.Qc3 (19.Qd5? fe3 20.Qe4 ed2 21.Kd2 Ng5–+) 19...d4 20.ed4+=) 19.fe5 (19.f5!? Nc5 20.Qc4+=) 19...Be5= 20.Qe4? (20.Rc2 Bh2 21.Kd1 Be5+=) 20...Bh2 (better is 20...de3 21.Bc3 ed2 22.Bd2 Rd2 23.Kd2 Bf4 24.Kc2 Bc1 25.Rc1 Qd6–+) 21.Qh4?? (better is 21.Kf1 Be5 22.Qh4–/+) 21…Bg3–+ (21...Bg3 22.Kf1 Bh4 23.Rh4 Qe5–+) 0–1. Gross – Stange, 1984.

5.c4 Be6 6.Qb3 (6.c5 Bc5 7.Be5 Nf6+=) 6...dc4 7.Bc4 Bc4 8.Qc4 Qc7 9.Nc3 Nf6 10.bc6 (10.Nf3 0–0=) 10...Qc6 (worse is 10...bc6 11.Rb1=) 11.Qc6 White begins to deal mighty blows 11...Nc6 12.Nb5 0–0–0 13.Rc1 Kb8 14.Nf3 Rhe8 15.Ng5 (15.Nd6 Rd6 16.d4 ed4 17.Rd1–/+ (17.Nd4? Nd4 18.h3 Nc6–+)) 15...Re7?? (15...Bb4 16.Bc3 Re7 17.e4+=) 16.Nd6 Rd6 17.Ba3 (17.Ba3 Kc7 18.Bd6 Kd6 19.Ke2+/–) 1–0. Imhof,A – Obernosterer,T, Lienz op, 1988.

5.Nf3 Nd7 (--> 4.Nf3 Nd7 5.e3 c6).

5.Nf3 Bg4 6.h3 Bf3 0–1. Saatci,Fatih – Martin,Andrew (1840), AA/C15/pr/O ICCF, 2012.

5.a4 Nf6

6.c4 0–0 7.cd5 cd5 8.Nf3 Re8 9.Be2 Nbd7 10.0–0 Nf8 11.d3 Ng6 12.Nbd2 Bf5 13.Rc1 Qe7 14.Re1 Rac8 15.Rc8 Rc8 16.Qb3 h6 17.Rc1 Rc1 18.Bc1 Qc7 19.Qd1 Bd7 20.g3 (20.h3 a6–/+) 20...a6 21.d4 e4 22.Ne1 ab5 23.Bb5 Bb5 24.ab5 Qa5 25.Qc2 (25.Qe2 Ne8–/+) 25...Qb5–+ 26.Qb2 (26.Nb1 Qa5 27.Bd2 Qb6–+) 26...Qb2 27.Bb2 Bb4 28.Bc1 Kf8 29.Nc2 Bd6 30.Nb3 Ke7 31.h3 b6 32.Kf1 Kd7 33.Ke2 Kc6 34.Kd2 Kb5 35.Kc3 Ka4 36.Bd2 h5 37.h4 Ng4 38.Be1 Nh2 39.Nd2 Ne7 40.Kb2 Nc6 41.Nb1 Nf3 42.Nc3+= Ka5 43.Nd5 Ne1 44.Ne1 Nb4 45.Nc3 f5 46.Kb3 Be7 47.Ne2 Bd6 48.Ng1 Kb5 49.Nh3 Nc6 50.Ng5 Na5 51.Ka2 Kc4 52.Nf7 Be7 53.Kb2 Nc6 54.Ng2+= Nb4 55.Ne5 Kb5 56.Nf4 g5 57.hg5 Bg5 58.Nh5 Bh6 59.Nf6 Bf8 60.Kb3 Bd6 61.g4 Be5 62.de5 Nd3 63.gf5 Ne5 64.Ne4 Kc6 65.Nf6 Nd3 66.f4 Ne1 67.e4 Ng2? 68.Nh5 Kc5 69.f6 Kd6 70.e5 Ke6 71.Kc4 Ne3 72.Kb5 Nd5 73.Kc6 Nc3 74.Kb6 (74.Kb6 Nd5 75.Kc6+–) 1–0. Starr,Albert Martin – Adkins,Rico (1625), San Francisco TNM Summer op, 2006.

6.c4 0–0 7.Nf3 Bg4 8.Be2 e4 9.Nd4 Be2 10.Qe2 c5 (better is 10...Nbd7!? 11.0–0 Ne5 12.cd5 cd5–/+) 11.Nf5= Re8 12.cd5 Bf8 (12...Be5!? 13.Nc3 Qd7=) 13.Nc3 Nd5? (13...Nbd7 14.0–0+=) 14.0–0 (14.Nh6 gh6 15.Qg4 Qg5 16.Qg5 hg5 17.Nd5 Rc8 18.Nf6 Kg7 19.Ne4 Kg6+–) 14...Nb4 (14...g6 15.Ng3 Nc3 16.dc3=) 15.Rad1 (15.f3!? Qd3 16.Qf2+/– (16.fe4?! Nd7+=)) 15...Nd3 (15...g6 16.Ng3 Qd3 17.f3 Qe2 18.Nce2 ef3 19.Rf3+=) 16.Ba1+= Qg5 (16...Qd7!? 17.Ng3 f5+=) 17.Ng3+/– f5? (better is 17...Qg6 18.f3 Nd7 19.fe4 c4+/–) 18.f3+– c4 19.fe4 f4 (19...Nd7 20.Rf5 Qd8 21.Rdf1+–) 20.ef4 Bc5 (20...Qc5 21.Kh1 Nd7+–) 21.Kh1 Qh4 (21...Qg6 22.Nd5 Nd7 23.f5+–) 22.e5 (22.Nd5 Re6 23.Bg7 Nd7+–) 22...Re6 (22...Qe7 23.f5 Nd7 24.e6+–) 23.Nce4 (23.Nf5 Qd8 24.Qe4 Nd7 25.Qc4 Nf8+–) 23...Nd7 (23...Rh6 24.h3 Nd7 25.Nf5+–) 24.Nf5 Qd8 25.Nc5 (better is 25.Ng5!? Nf8 26.Qe4 Qd7 27.Qc4 Nf2 28.Rf2 Bf2+–) 25...N7c5 26.Ng7! Rg6 (26...Kg7 27.f5 Passed pawn) 27.e6 (27.Nh5 Rh6 28.Nf6 Kf8+–) 27...Qe7 (27...Rg7 28.f5 Qg5+–) 28.f5 Rh6 (28...Rg7 29.Bg7 Qg7 30.f6+–) 29.Qg4 (better is 29.f6 Qd6 30.h3 Ne6 31.Ne6+–) 29...Rh4 (29...Qh4 30.Qh4 Rh4 31.a5+–) 30.Qg3 (better is 30.Qf3 Rf4 31.Qe2+–) 30...Ne4 31.Qe3 Nf6?? (31...Qd6 32.h3 Ng3 33.Kg1 Nf1 34.Rf1 Qc5+–) 32.Qg5 Rg4 (32...Ne4 33.f6 (33.Qe7?! Ng3 34.Kg1 Ne2 35.Kh1 Ng3 36.Kg1 Ne2 37.Kh1 Ng3=) 33...Rh2 34.Kg1 Ng5 35.fe7+–) 33.Bf6 (33.Bf6 Rg5 34.Be7 Rg7 35.Ba3+–) 1–0. Nikolic,Jovane (1685) – Assef,Nathaly Regina Reis (1685), 7th Sao Bernardo do Campo LXSBC op, 2011.

6.c4 Be6 7.Nf3 Nbd7 8.Be2 h6 (8...dc4!? 9.bc6 bc6–/+) 9.cd5 cd5 10.d4 e4 11.Nfd2 0–0 12.Ba3 Nb6 13.a5 Nc4 14.Nc4 dc4 15.Bd6 Qd6 16.0–0 Qd7 17.Nc3 a6 (17...Rfc8!?=) 18.b6+= Bg4? (better is 18...Rac8!?+=) 19.Bg4+– Ng4 20.Ne4 Nf6 (better is 20...f5 21.Nc5 Qd6+–) 21.Nc5 Qe7 22.Qf3 Rab8 23.Rfc1 Nh7 24.Rc4 Ng5 25.Qg3 Ne6 26.Rac1 f5 27.Ne6 Qe6 28.Rc7 Rf7 (28...g5+–) 29.Rf7 Qe3 (29...Qf7 30.Qb8 Kh7+–) 30.Qg7 1–0. poesimannen (1950) – bjorn_viking, gameknot.com, 2013.

6.Bd3 0–0 7.h3 Re8 8.g3 e4 9.Be2 Bf5 10.g4 Be6 11.g5 Nfd7 12.h4 Be5 13.c3 f6 14.d4 ed3 15.Qd3 Nc5 16.Qc2 f5 17.f4 Bd6–/+ 18.Nd2 Bf8 19.c4 Ne4 20.Ne4=+ de4 21.Bc3 Qb6 22.Rh3 a5 23.Rd1 Nd7 24.Bd4 c5 25.Be5 Ne5–+ 26.fe5 Qc7 27.Qb2 b6 28.Rh1 Rad8 29.Rd8–/+ Rd8 30.h5 Qf7 31.Qb3 f4 32.g6 hg6 33.hg6? Qg6 34.ef4 Bg4 35.Qg3+= Bf5 36.Qh4 Qh7 37.Bh5 Rd7?? 38.Qh2 g6+= 39.Qg2 Qg7 40.Be2 Kf7 41.Qg3 Ke6 42.Bf1 Be7 43.Ne2 Rd8 44.Nc3 Bf8? 45.Nd5+– Qb7? 46.Bh3 Kd7 47.Qg6 Bh3 48.Rh3 Kc8 49.Rh7 Rd7 50.Qe6 Kd8 51.Rh8 (51...Rf7 52.Qd6 Qd7 53.Rf8 Rf8 54.Qf8 Qe8 55.Qd6 Qd7 56.Qb8 Qc8 57.Qb6 Ke8 58.Qg6 Kf8 59.Qf6 Kg8 60.Ne7 Kh7 61.Qf7 Kh6 62.Qg6#) 1–0. riverborne – ab39, Caissa.com, 2004.

6.Be2 0–0 =+.

6.Nf3 e4 7.Ne5 +=.

6.Nf3 Qe7 7.c4 (7.d4 e4 8.Ne5 Qc7+=) 7...0–0 (7...e4 8.Nd4–/+) 8.cd5 cd5 (8...e4 9.dc6 ef3 10.a5–+) 9.Nc3 (9.Be2 Bg4+=) 9...Bg4 (9...Nbd7 10.Be2+=) 10.h3 Bh5 (10...Be6 11.Be2+=) 11.g4 Bg6 (11...d4 12.ed4 ed4 13.Ne2+=) 12.Rc1 (12.g5 Nfd7 13.Nd5 Qd8+=) 12...Nbd7 (12...d4 13.Na2 Rd8–/+) 13.Bg2?? (13.g5 Ne4 14.Nd5 Qd8+=) 13...Bd3 (13...Nc5 14.Bf1 d4 15.Nb1–+) 14.Qb3 (better is 14.g5 Ne4 15.Nd5=) 14...Bc4–+ 15.Qc2 Nc5 (better is 15...e4 16.Nd4 Nc5–+) 16.Ne2?? (better is 16.Bf1 e4 17.g5–+) 16...Nd3 17.Kd1 (17.Kf1 Rfc8 (worse is 17...Nc1 18.Qc1 a6 19.Qd1–+) 18.Qb1 Nc1 19.Bc1 e4–+) 17...Rac8 (17...Ne4 18.Rf1–+) 18.Ng3 (18.Ne5 Be5 19.Be5 Nf2 20.Ke1 Nd3 (20...Qe5?! 21.Kf2 Ne4 22.Be4 de4 23.Ng3–/+) 21.Qd3 Bd3 (21...Qe5?! 22.Qd4 Qd4 23.Nd4=) 22.Bf6 Qf6 23.Bd5 Qh4 24.Kd1 Qf2–+) 18...Nf2 19.Ke1 Nh1 (better is 19...Nd3 20.Kd1 Nc1 21.Bc1 Bb5 22.Qa2–+) 20.Bh1 (20.Nf5 Qd8 21.Nd6 Qd6 22.Be5 Qd7–+) 20...g6 21.h4 (21.Kf2–+) 21...Ng4 (21...e4!? 22.Nf1 ef3 23.g5–+) 22.Ng5 Qf6 (better is 22...e4 23.Ne2 h6 24.Be4 de4 25.Qe4 Be6–+) 23.d3 (23.Bf3 Nh2 24.Bh1–+) 23...Bd3! 24.Qd2 (24.Qd3 Qf2) 24...Bb4! 25.Qb4 Qf2 26.Kd1 Ne3# 0–1. Bini,Gabriele – Robir, Canarias en Red prel 4th blitz, 2004.

6.h3 Be6 7.Nf3 Nbd7 8.Be2 Qc7 9.Ba3 0–0 10.Bd6 Qd6 11.0–0 h6 12.Na3 Nh7 13.c4 f5 14.cd5 cd5 15.d4 e4 16.Nh2 Rf6 17.Nb1 Raf8 18.Nc3 R8f7 19.f4 g5 20.Bh5 Rg7 21.Ne2 Ndf8 22.fg5 (22.Qd2!?+=) 22...hg5+= (worse is 22...Ng5 23.Ng4 Rfg6 24.Bg6 fg4 25.Bh5 Nf3 26.gf3 gf3 27.Kh1 Bh3 28.Rf2+=) 23.g4 Rh6 24.Kg2 Nf6 25.Ng3? (better is 25.gf5 g4 26.fe6 gh3 27.Kh1 Nh5 28.e7 Qe7 29.Qb3–+) 25...f4–+ 26.ef4 gf4 27.Qd2 Nh5 28.Nh5 Rh5 29.Qf4 Qf4 30.Rf4 Rf5 31.Rf5 Bf5 32.Kf2 Be6 33.Rc1 Ng6 34.Kg3 Ne7 35.Kf4 Nc8 36.Ke5 Re7 37.Kf6 Kf8 38.h4 Nb6 39.a5 Nd7 40.Kg5 Rg7 41.Kf4 Nf6 42.b6? ab6 43.ab6 Ng4 44.Ng4 Rg4 45.Ke5 Bd7 46.Kd5 Rh4 47.Ke5 Bc6 48.Rd1 Rh5 49.Kd6 Rb5 50.Kc7 Ke7 51.Rg1 Ke6 52.Rg6 Kd5 53.Rd6 Kc4 54.Rd8 Bd5 0–1. Biskup,Izabela (1800) – Tyda,Agata, DMO Poland, 2007.

4.e3 Be6

5.a4 Nf6 6.Nf3 Nbd7 7.Be2 0–0 8.0–0 c5 9.d3 Qc7 10.Ng5 Bf5 11.f4 ef4–/+ 12.ef4 Bf4–+ 13.Nf3? Ne5 0–1. Anderson,George – Khedkar,Jay S (1935), Winnipeg Icebreaker op, 2003.

5.d3 Nf6 6.Nf3 Nbd7 7.Be2 0–0 8.Nbd2 c6 9.a4 c5 10.0–0 h6 11.c4 d4 12.e4 Nh7 13.a5 Qc7 14.Qb3 Rae8 15.Nh4 g6 16.Bc1 Kg7 17.Ndf3 f5= 18.b6 ab6=+ 19.ab6 Qc6 20.ef5 gf5 21.Qd1 e4–/+ 22.Ne1 Rf6 23.Bh5 Ref8 24.de4? fe4–+ 25.g3?! Ne5 26.Bf4 Nc4 27.Bd6 Qd6 28.Neg2 Ng5 29.Ra7 Qb6 30.Ra4 Nh3 31.Kh1 Rf2 32.Re1 Nb2 33.Qa1 Qb5 34.Nf4 Bd7 35.Ra5 Qc6 36.Qa3 e3 37.Nhg2 R8f4 (38.Bf3 Qf3 39.Rg1 Ng1 40.gf4 Qg2#; 37...Qg2 38.Ng2 Rf1 39.Rf1 Rf1#) 0–1. tschulz – Papale, grosses Mannschaftsturnier, 2005.

5.Nf3 Nd7 6.Nc3 Ngf6 =+.

5.Nf3 Nd7 6.d3 Qf6 7.c4 dc4 8.dc4 Qg6 9.Nbd2 Ngf6 10.Rc1 e4 11.Nd4 Nc5 12.Ne6 fe6 13.Bf6 (13.Bd4!?=) 13...gf6–/+ 14.g3 0–0–0 15.Be2 h5 16.Qc2 f5 17.Qc3 h4 18.Rf1 hg3 19.hg3 Bg3 (19...Rh2 20.Rg1–/+) 20.fg3–+ Qg3 21.Kd1 Rh2 22.Re1 Nd3 (22...Nd3 23.Bd3 Rd3–+ (23...ed3?! 24.Rb1–+)) 0–1. Louro,Eugenio Diogo (2190) – Dalar,Ali Riza, WS/M/061 ICCF, 2006.

5.Nf3 Nd7 6.d4 e4 7.Nfd2 f5 8.g3 Ngf6 9.c4 0–0 10.Nc3 dc4 11.Bc4 Bc4 12.Nc4 Nb6 13.Qb3 Nc4 14.Qc4 Kh8 15.a4 Qe8 16.Ba3 Ba3 17.Ra3= Qh5 18.Qe2 Qh3 19.Qf1 Qh5 20.Qe2= Qh3 21.Qf1 Qh5 22.h3 Rac8 23.Qe2 Qf7 24.Qa2 Qd7 25.Ne2 Nd5 26.0–0 Rf6 27.Kg2 Rh6–/+ 28.Nf4 Nf4 29.ef4 Qd4 30.Qc2 Rd6 31.Rc3 c5 32.bc6=+ Rdc6 33.Rc6 Rc6 34.Rd1 Rc2 35.Rd4 h6 36.Kf1 Rc7 37.g4 g6 38.Rd5 Rf7 39.gf5 gf5 40.Ke2 Kg7 41.Ke3 Kg6 42.a5 Rf6 43.f3 ef3 44.Kf3 b6 45.Kg3= Rc6 46.Kh4 Kf6 47.Rd7 a6 48.ab6 Rb6 49.Kh5 Ke6 50.Ra7 Kd5 51.h4 ½–½. Schulze,Harald (2115) – Fischer,Franz (2025), Bayern Landesliga Nord, 1998.

5.Nf3 Nd7 6.Be2 f6 7.a4 Ne7 8.Na3 0–0 9.c4 c6 10.cd5 cd5 11.d4 Qa5 12.Nd2 Bb4 (12...Nb6 13.Nab1–/+) 13.Nab1 Rac8 14.0–0 Bf5 15.Nb3 Qb6 16.Bd3 Qe6 17.de5 fe5 (worse is 17...Ne5 18.Nd4 Qd7 19.Bf5 Nf5 20.Nf5 Qf5 21.Qd5 Rf7 22.Bd4+/–) 18.Na3 Bc3 19.Bf5 Qf5 20.Bc3 Rc3 21.Nc1 Rfc8 22.Ne2 Rd3 23.Qb1 Rd2 24.Qf5 Nf5 25.Rfe1 Nd6 26.Kf1 Kf7 27.Rab1 Ne4 28.Rb3 Ndc5–+ 29.Rbb1 Na4 30.f3 Nd6 31.Rb4 Nc3?? 32.Nc4?? Rc4 33.Rc4 Nc4 34.Nc3 Rd3 35.Rc1–/+ Ke6 36.e4 d4 37.Na4 Ne3 38.Ke2 Ra3 39.Nc5 Ke7 40.g4 Ra2 41.Kd3 Ra3 42.Kd2?? Ra2 43.Kd3 Rb2 44.Nb7 Rb5 45.Rc7 Kf6 46.Nd6 Rb3 47.Kd2 Rb8 48.Ra7 h6 49.h4+= Rd8 50.Nf7 Rb8 51.g5 hg5+= 52.hg5 Ke6 53.g6 Rb2 54.Kc1 Rc2 55.Kb1= Rc5 56.Ra6 Kd7 57.Ng5 d3 58.Nf7 Nc4+= 59.Kc1 Rb5 60.Ra1 Kc7 61.Kd1?? Kb6 62.Rc1+= Rb4 63.Rc4 Rc4 64.Ne5 Rd4 65.Kd2 Kb5 66.Kd1? Ka4 67.Kd2+= Kb3 68.Nc6 Rd6 69.Ne5 Kb4 70.f4 Kc5 71.f5 Kd4–/+ 72.Nf7?? Ra6–+ 73.Ng5 Ra2 74.Kd1 Ke3 (74...Ke3 75.Kc1 d2 76.Kb1 Ra7 77.Kc2 Rc7 78.Kb2 d1Q 79.Ka3 Rb7 80.f6 Qb3#) 0–1. Leon Manas,J (1695) – Gonzalez Intelangelo,G (2060), 4th Pedro Montalvo Mem, 2011.

5.Nf3 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Bd6).

5.f4 f6 6.fe5 fe5 7.Nf3 Nd7 8.c4 Bg4 9.h3 Bh5 10.g4 Bg6 11.cd5 e4 12.Nd4 Qh4 (13.Ke2 Be5+=). Gottwald,Bernhard (2040) – Pirs,Matjaz (2460), RSS7E adv–22, 2005.

4.e3 Qe7

5.c4 Nf6 (--> 4.e3 Nf6 5.c4 Qe7).

5.d4 e4 6.Ba3?? (better is 6.c4 dc4 7.Bc4+=) 6...Ba3–+ 7.Nd2 (7.Na3 Qa3 8.Qd2 Nf6–+) 7...Nf6 8.Qb1 (8.c4 0–0–+) 8...Bb4 9.Qc1 (9.Qb3 0–0–+) 9...0–0 (9...Bc3 10.Rb1–+) 10.c3 Bd6 11.a4 (11.c4 c5–+) 11...Ng4 12.g3 Qf6 13.Nh3 Be6 14.Bg2 Qh6 15.Nf1 Nd7 16.Ng1 c5 17.bc6 bc6 18.h3 Ngf6 19.Ne2 c5 20.Nf4 cd4 21.cd4 Rfc8 22.Qd1 Bb4 23.Nd2 Nb6 24.0–0 a5 25.Kh2 Bd7 26.Nb1 Rc4 (26...Rc4 27.f3 ef3 28.Bf3 Rac8–+; 26...Nc4 27.Qb3–+) 0–1. Wisniewski,Jan – Sternik,Ryszard, corr 2AMM Poland, 1993.

5.Nf3 (--> 4.Nf3 Qe7 5.e3).

4.e3 Ne7

5.c4 Be6 6.Nf3 f6 (6...Nd7 7.Nc3+=) 7.cd5 (7.d4 dc4 8.Nbd2 Bb4=) 7...Nd5+= 8.Bc4? (better is 8.Nc3!?+=) 8...Ne3!–/+ 9.fe3 (9.de3 Bc4 Discovered attack; 9.fe3 Bc4 Discovered attack) 9...Bc4 10.Qa4 Be6 11.0–0 0–0 12.Nc3 Nd7 13.d4 Nb6 14.Qc2 Nc4 15.Bc1 (15.Qe2 ed4 16.Nd4 Qd7–+) 15...ed4 16.ed4 (16.Nd4 Bf7–+) 16...Rc8 (16...Re8 17.Qd3–+) 17.Qb3 (17.Re1 Bf7–+) 17...Bf7 18.d5 Nb6 19.Be3 (19.Ba3 Re8 20.Rfe1 Ba3 21.Qa3 Nd5–+) 19...c6 20.Kh1 (20.bc6 bc6 21.Rad1 Nd5 22.Nd5 Bd5–+) 20...Nd5 (20...cd5 21.Bd4–+) 21.Nd5 Bd5 22.Qa4 (22.Qd3 Qa5–+) 22...cb5 23.Qb5 Bc6 (better is 23...Bc4 24.Qb7 Rf7–+) 24.Qb3 Kh8 25.Ba7 (25.Rad1 Re8–+) 25...Ra8 26.Bb6 Bc7 (26...Qe8 27.Qb2–+) 27.Rad1 Qc8 (worse is 27...Bb6 28.Rd8 Bd8 29.Ng5+=) 28.Bc5 (28.Bc7 Qc7 29.Rd3 Qa5–+) 28...Ba4 (better is 28...Re8 29.Qb2 Rd8–+) 29.Qc4? (29.Qb1!? Re8 30.Rd4 Re2–+) 29...Bd1 (better is 29...b5!? 30.Qb4 Bd1 31.Rd1–+) 30.Bf8 Bf3 (30...Qf8?! 31.Rd1 Rd8 32.Rd8 Qd8 33.g3–/+) 31.Bg7?? (better is 31.gf3 Qd7 32.Rc1 Bh2 33.Kh2 Rf8 34.Kg3–+) 31...Kg7 32.gf3 (32.Rf3 Be5 33.Qc8 Rc8–+) 32...Bb6 33.Qb4 Qc5 34.Qg4 Kf8 35.Qf4 Qe7 36.Rb1 Ra2 37.Qh6 Ke8 38.Qh4?? Bd8 39.Re1 Re2 40.Qh5 Kf8 41.Qh6 Kg8 42.Rg1 Kh8 43.Qh4 Bb6 44.Rc1 Bc7 45.Rg1 Rh2 (45...Rh2 46.Qh2 Bh2 47.Kh2 b5–+) 0–1. Nikolic,Jovane (1710) – Chiaretti,Flavio Mario, Championship da Primeira Categoria do E, 2013.

5.Nf3 Nd7 (--> 4.Nf3 Nd7 5.e3 Ne7).

5.Nf3 e4 6.Nd4 0–0 7.Be2 c5 8.bc6 Nbc6 9.0–0 Nd4 10.Bd4 Nc6 11.Bb2 Qh4 12.g3 Qg5 13.c4 Bh3 14.Re1 Rac8 15.Bf1 Bf1 16.Rf1 Rfd8 17.h4 Qf5 18.Kg2 Na5 19.cd5 Qd5 20.a4 Nb3 0–1. cmulligan (2085) – cliff (2720), net–chess.com, 2014.

5.Nf3 f6 6.d4 e4 (6...0–0 7.de5 fe5 8.Ne5=) 7.Nfd2= 0–0 8.Be2 (8.c4 c6+=) 8...c6 9.bc6 Nbc6 10.c4 Bf5 (10...Nb4 11.Nc3 f5 12.0–0+=) 11.Nc3 Bb4 (11...Nb4 12.cd5 Rc8 13.0–0 Ned5 14.Nde4+/–) 12.a3+= Ba5 13.Qb3 Bc3 (13...Be6 14.0–0+= (14.Qb7?? Rb8 15.Qb8 Qb8–+)) 14.Bc3+/– Rb8 15.0–0 Bg6 16.Bb4 (16.Rac1 Bf7+/–) 16...Nb4 (16...Bf7!?+=) 17.ab4+/– (17.Qb4?! Qd7+=) 17...a6 18.cd5 Nd5 (18...Qd5?? 19.Bc4 Bf7 20.Bd5 Bd5 21.Qb1+–) 19.Bc4 Bf7 20.Ne4 b5 21.Bd5 Bd5 22.Qc2 Bc4 23.Rfe1 Rb6 24.Nc5 Qc8 (24...Qd6+–) 25.d5 (better is 25.e4!?+–) 25...Bd5+/– 26.Red1 Bc6 27.Qa2+– Kh8 28.Qe6 Qe6+/– 29.Ne6 Re8 30.Nc7+– Rc8 31.Ra6 Ra6 32.Na6 h6 33.Nc5 Rc7 34.e4 Kh7 35.Ra1 Kg6 36.f3 Kf7 37.g4 Kg6 38.h4 h5 39.Ne6 Re7 40.Nf4 Kh6 41.Ra6 Be4 42.g5 Kh7 43.gf6 gf6 ½–½. Tiedemann,Joern (2020) – Gottwald,Bernhard (1950), RSS7E basic–36, 2011.

4.e3 f5

5.Nf3 Nf6 6.Be2 Be6 7.0–0 Nbd7 8.a4 b6 9.Ba3 Qe7 10.Bd6 Qd6 11.Na3 Nc5 12.c4 e4 13.Nd4 Bd7 14.cd5 Nd5 15.Nc4 Qe7 16.f3 0–0 17.fe4 fe4 18.Rf8 Rf8 19.Qc2 Nb4 20.Qc3 Nbd3 21.Rf1 Rf1 22.Bf1 Qf7 23.Bd3 Nd3 24.Nc6 Qf2 0–1. cmulligan (2085) – mi (2165), net–chess.com, 2014.

5.f4 Qe7 6.g3 ef4 7.Qh5 g6 8.Qf3 (8.Qe2 Nf6 9.ef4 0–0=) 8...Nf6 (8...Be5 9.Nc3 fe3=+) 9.gf4=+ Be6 10.Nh3 0–0 11.Ng5 Nbd7 12.h4 h5 13.Be2 c5 14.Nc3 (Better is 14.c4+/–) 14...b6?? 15.d4?? c4 16.a4 Bb4= 17.0–0 Ne4 18.Nge4 fe4 19.Qg3 Kh7 20.Rf2 Bc3 21.Bc3 Nf6 22.Rg2 Bg4 23.Bg4 Ng4 24.Rf1? Rf6 25.Be1 Nh6 26.Qg5 Nf5 27.Bg3 Re6 28.Re1 Qg5 29.fg5 a6 30.ba6 Ra6 31.Be5 Re7 (32.Bf6 Rea7–+) 0–1. MasterofDisaster – Laksman4, Live Game Caissa's Web, 2004.

4.e3 Bf5

5.c4 Nf6 (--> 4.e3 Nf6 5.c4 Bf5).

5.f4 Nd7 6.Nf3 Qe7 7.Be2 Ngf6 8.fe5 Ne5 9.0–0 Bg6 10.Nd4 0–0 11.Nf5 Bf5 12.Rf5 Rfe8 13.a4 Rac8 14.Qf1 c5 15.Bd3 (15.a5 Neg4 16.g3 Be5 17.Be5 Ne5=) 15...c4 (worse is 15...Nd3 16.Bf6 gf6 17.Qd3=) 16.Be2 b6 17.Nc3 Qc7?? (better is 17...Ne4=) 18.Rf6+– gf6 19.Nd5 (19.Qf6?! Be7 20.Qf4 Rcd8+/–) 19...Qd8 20.Nf6 Kg7 (20...Kf8 21.Ne8 Ke8 22.Qf5+–) 21.Ne8 Qe8 22.Qf5 (22.Bc4 f6 23.Bd3 Qh5+–) 22...f6 (22...Qe6 23.Qg5 Kf8 24.Rf1+–) 23.Rf1 Qf8 24.Bf3 Nf3 25.Rf3 (25.gf3?! Rc5 26.Qg4 Kh8+–) 25...Rc5 (25...c3 26.Bc3 Rc3 27.dc3 Be5+–) 26.Bf6 Qf6 27.Qf6 (27.Qf6 Kg8 28.Qf7 Kh8 29.Rg3 Rg5 30.Qf6 Kg8 31.Rg5) 1–0. Grabmeier,Johannes (1905) – Holzapfel,Alois, Deggendorf op 2nd, 2008.

5.f4 ef4 6.Bg7 Qh4 7.g3 fg3 8.Nf3 +–.

4.e3 Nf6

5.a4 0–0 6.Nf3 Qe7 7.h3 c6 8.Be2 Bd7 9.Nc3 e4 10.Nd4 c5 11.Nb3 b6 (better is 11...a6!?+=) 12.a5+= ba5 13.Na5 Bc7 14.Nb3 Bb6 (better is 14...Be6=) 15.Na4+– Qd6 16.Be5! Qe5 17.Nb6 c4 (better is 17...ab6!? 18.Ra8 Ne8+/–) 18.Nd4+– ab6 19.Ra8 Qd6 20.Qa1 Qc5 21.Qa7 Qc8 (21...Qd6+–) 22.Qb6 Rd8 (22...c3 23.d3+–) 23.0–0 Ne8 24.Qa5 Nc7 25.b6 Na8 (25...Ne6+–) 26.b7 Qb7 (26...Nc7 27.Rb1 Nba6 28.bc8Q Rc8+– (28...Bc8?? 29.Nb5 Ne6 30.Na7+–)) 27.Qd8 Be8 28.Qe8 1–0. Janek – Catalina, internet, 2016.

5.a4 Be6 6.Nf3 c6 7.Be5+= cb5 (7...Be5 8.Ne5 0–0 9.Bd3+=) 8.Bb5+/– Nc6 9.Bd6 Qd6 10.Nc3 0–0 11.0–0 d4 12.ed4 Nd4 13.Nd4 Qd4 14.Bd3 Rad8 (14...Ng4 15.Rb1+/–) 15.Re1+/– Qd6 (15...Ng4 16.Qe2+/–) 16.Qf3 Bg4 (better is 16...Ng4!? 17.Qg3 Qg3 18.fg3 Nf6+/–) 17.Qb7+– Bh5 18.Nb5 (worse is 18.Qa7 Ng4 19.g3 Ne5+–) 18...Qf4 19.Qa7 Ra8? (19...Ng4 20.g3 Qd2+–) 20.Qd4 Qd2 (20...Qh6+–) 21.Bh7! Nh7 22.Qd2 1–0. pierre – mahbeth, Microsoft, 2012.

5.a4 Qe7 6.c4 d4 7.Be2 de3 8.de3 e4 9.Nc3 c6 (9...0–0 10.Qd4 Nbd7 11.Nd5+=) 10.Qd2 (10.Qc2 Nbd7–/+) 10...0–0 11.Rd1 Bc7 12.Qc2 Re8 (12...Nbd7 13.Nh3–/+) 13.Kf1 0–1. marekt – Netsurferdude, internet, 2015.

5.Nc3 0–0 6.Be2 c5 7.bc6 Nc6 8.Nf3 e4 9.Nd4 Nd4 10.ed4 Bd7 11.0–0 Qc7 12.g3 (12.h3 Rfc8–/+) 12...a6 13.d3 (13.f4–+) 13...Bb4 14.Qd2? (14.Nb1 Bh3 15.c4–+) 14...Rac8 15.de4 Ne4 16.Qe3 Bc3 17.Bc3 Nc3 18.Bf3 Qc4 19.Qe7 Bc6 20.Bg4 Rce8 21.Qc5 Ne2 22.Be2 Qc5 23.dc5 Re2 (24.Rac1 Rfe8–+) 0–1. beyonze1 – DarkGenesis, Live Game Caissa's Web, 2004.

5.Nc3 0–0 6.Nge2 Bg4 7.f3 Be6 8.d4 c5 9.dc5 Bc5 10.Qd3 Qb6 11.Nd1 Nbd7 12.Ng3 a6 13.a4 ab5 14.ab5 Bb4 15.c3 Ra1 16.Ba1 Ra8 17.Qb1 Bc5 18.Kf2 d4 19.cd4–/+ ed4 20.Bd4 Bd4 21.ed4 Ra2 22.Be2 Qd4 23.Ke1 Qd2 24.Kf1 Rc2 25.Qa1 Nh5!! (26.Kf2 Ng3 27.Kg3 Ra2–+) 0–1. Langguth,W – Goyvaerts,P, corr ICCF Cup X, 1994.

5.Nc3 0–0 6.Nf3 c5 (6...e4 7.Nd4+=) 7.bc6 Nc6 8.Nb5 Bb8 9.c4 (9.Be2 a6 10.Na3 Bd6–/+) 9...dc4 10.Bc4 a6 11.Nc3 b5 12.Be2 Bb7 (12...b4 13.Na4+=) 13.d3+= Bc7 (13...Qe7 14.0–0+=) 14.0–0 Qd6 15.Rc1 (15.Ne4 Ne4 16.de4 Qg6+=) 15...Rfd8 16.Qc2 (16.a4 b4 17.Ne4 Ne4 18.de4 Rac8+=) 16...Rac8 17.Qb1 b4 (17...Qe6 18.Ng5 Qf5 19.Nge4+=) 18.Ne4 Ne4 19.de4 Qe7 (19...Qf6 20.Rfd1+=) 20.Rfd1 Bd6 21.Rd2 a5 22.Bd1 Bb8 (22...Qf6 23.Ba4=) 23.Ba4 (23.Rd5 Na7 24.Rd8 Rd8=) 23...Rd2 24.Nd2 Na7 25.Bb3 Bc6 26.Bd5 Rd8 27.Bc6 (27.Qd3 a4=) 27...Nc6 28.Qc2 Na7 (28...Qd6 29.Nc4 Qg6 30.Rd1 Rd1 31.Qd1 Qe4 32.Na5=) 29.Nc4 Bc7 30.h3 (30.Qa4 Qe8 31.Qe8 Re8=) 30...Qe8= 31.a3 ½–½. Deneuville,Christian – Migliorini,Roberto, corr or03–026, 2003.

5.c4 e4 6.cd5= Nd5 (6...0–0 7.Nc3=) 7.Bg7 Rg8 8.Bb2 Qh4 (better is 8...Bg4 9.Qa4 Bf5=) 9.g3?? (better is 9.Nc3 Nb4 10.Qb1 Nd3 11.Bd3 ed3 12.Qd3 Rg2 13.Qe4 Qe4 14.Ne4+/–) 9...Bg3!–/+ 10.fg3?? (10.fg3 Rg3; 10.hg3 Qh1 Pinning (10...Qh1 Deflection)) 10...Rg3!–+ 11.hg3 (11.hg3 Qg3 Mate attack) 11...Qg3 12.Ke2 Bg4 0–1. Watkins,Roosevelt – Wall,Bill, Dayton, OH, 1982.

5.c4 Bf5 6.Ne2 (6.cd5!? Nd5 7.Qf3=) 6...dc4–/+ 7.Ng3 Be6 8.Be2 (8.Qc2 a6 9.Bc4 ab5 10.Be6 fe6–/+) 8...0–0 (8...a6 9.ba6 Na6 10.Na3 Ba3 11.Ba3–/+) 9.Qc2–/+ Bd5 (9...a6 10.Bc4 ab5 11.Be6 fe6 12.0–0–/+) 10.0–0 a6 11.ba6 Na6 (worse is 11...ba6 12.e4 Bb7 13.Na3=; worse is 11...Ra6 12.e4 Be6 13.a4–/+) 12.Bc4 Nb4 13.Qc3 Na2 14.Qb3 Rb8?? (better is 14...Nb4+=) 15.Ra2 Bc4 16.Qc4 b5 17.Qc2 Rb7 18.Nc3 (18.Ra6 b4+–) 18...Rb6 (better is 18...b4!? 19.Qb3 bc3 20.Qb7 cb2 21.Rb2 Re8+–) 19.Qb3 b4 20.Na4 (20.Nce4 Ne4 21.Ne4 Re8+–) 20...Rb8 21.Rc1 Qe7 22.Ne2 h5 (22...e4 23.Rc4 Nd7 24.Nd4+–) 23.d4 ed4 24.Nd4 c5? (24...Ne4 25.Ba1 Qe5 26.g3+–) 25.Ne2 (better is 25.Nc6 Bh2 26.Kh1+–) 25...Rfc8 26.Rc2 (26.Bf6 Qf6 27.Nb2 Ra8+–) 26...Be5? (better is 26...Bh2!? 27.Kh2 Qc7 28.Be5 Qe5 29.Kg1 Ne4+/–) 27.Be5+– Re8?? (27...Qe5 28.Nb2 Rd8+–) 28.Bb8 Qe5 29.Rc1 Qe3 30.fe3 Rb8 31.Rac2 c4 32.Rc4 Rb7 33.Qb1 Re7 34.Rc8 Ne8 35.Qb4 Re6 36.Qb5 Kf8 37.Qd7 Re5 38.R1c7 Kg8 39.Qf7 Kh7 40.Re8 Rg5 41.Qg8 Kh6 42.Rc6 Rg6 43.Rg6 Kg6 44.Re6 Kg5 45.Qg7 Kf5 46.Nd4 1–0. Player – MacChess 5.0, 2000.

5.c4 Bg4 6.Be2 Be2 7.Qe2 dc4 8.Qc4 =+.

5.c4 Bg4 6.Be2 Be2 7.Ne2 0–0 8.0–0 dc4 9.Qc2 a6 10.Qc4 Nbd7 11.d4 ab5 12.Qb5 c6 13.Qb7 Rb8 14.Qc6 Rb2 15.Qd6 Re2 16.de5 Ne8 17.Qd5 Rb2 18.Rd1 +/–. Wartig,Wolfgang – Andre,K, corr (year?).

5.c4 Bg4 6.Be2 Be2 7.Ne2 dc4 8.Qc2 =+.

5.d3 c6 6.a4 0–0 7.Nf3 Nbd7 8.Be2 Qc7 9.Nbd2 Rd8 10.c4 e4 –/+.

5.d3 c6 6.c4 dc4 7.Bc3 cd3–+ 8.Qd3 0–0 9.Ne2 Bc7 10.Qd8 Rd8 11.bc6 Nc6 12.f3? Nd5 13.Bd2 Ncb4 14.Bb4 Nb4 15.Na3 Nd3 16.Kd2 Nf2 17.Ke1 Nh1 18.Nc4 Be6 19.Nd2 Ba5 20.Rd1 Rd2 21.Rd2 Rd8 22.Kd1 Rd2 23.Kc1 Ba2 24.Ng3 Ng3 25.hg3 Bc3 26.g4 Bb3 27.Be2 Re2 28.e4 Re1# 0–1. Winter,A – Joutsi,Jukka, corr ICCF WT/II/GT/34, 1996.

5.d3 c6 6.d4 e4 7.c4 Bg4 8.Qd2 dc4 9.Bc4 cb5 10.Bb5 Bd7 =+.

5.d3 c6 6.Nf3 Bg4 7.d4 e4 8.h3 Bh5 9.g4 Ng4 10.hg4 Bg4 –/+.

5.d3 Nbd7 A) 6.Nf3 a6 7.ba6 ba6 8.Nc3 c5 9.Be2 Rb8 10.Rb1 d4=+; B) 6.Be2 0–0 7.Nf3 a6 8.Nc3 ab5 9.Nb5 Bb4 10.Bc3 Bc3–/+; C) 6.Nc3 0–0 7.Nf3 a6 8.Be2 ab5 9.Nb5 Bb4 10.Bc3 Bc3–/+; D) 6.d4 e4 7.Ba3 Ba3 8.Na3 Qe7 9.Nb1 Nb6 10.Nd2 0–0=+.

5.d4 Bg4?? 6.f3+/– ed4 7.fg4 de3 8.Qf3 Bb4 9.Nc3 d4 10.0–0–0 c6 11.Ne4+– Ne4 12.Qe4 Qe7 13.Rd4 Bd2 14.Kd1 a6 15.Qe7 Ke7 16.Re4 Kd6 17.ba6 Na6 18.Nf3 Nc5 19.Nd2 ed2 20.Re2 Ra2 21.Be5 Kd5 22.Bg7 Rha8 23.Rd2 (23...Ke6 24.Bc4 Ke7 25.Re1 Ne6 26.Ba2 Ra2 27.g5+–) 1–0. Rosner,Dirk – Bergner,Thomas, DESC, 1999.

5.Qe2 0–0 6.Na3 Re8 7.c4 d4 8.e4 c6 9.d3?? Ba3 10.Ba3 Qa5 11.Qd2 Qa3 12.Rb1 Qe7 13.h3 cb5 14.Rb5 Nc6 15.Be2 a6 16.Rb2 Rb8 17.Nf3 Bd7 18.0–0 b5 19.cb5 Rb5 20.Rc2 Qb4 21.Qb4 Rb4 22.Rfc1 Rc8 23.Ne5=+ Rbb8?? 24.Nd7 Nd7 25.Rc6 Rc6 26.Rc6 Ra8? 27.Bf3 g6 28.e5 Ne5+= 29.Rg6 Ng6 30.Ba8+/– Kg7 31.a4 a5 32.g3 Kf6 33.f4 Ke7 34.Be4 Kd6 35.h4 Kc5? 36.h5 Nf8+/– 37.g4 Kb4 38.Bc6 Ne6 39.f5 Nf4 40.Bb5 Nd5 41.Bc4 Nc3?? 42.Bf7 Ka4?? 43.Be8 Kb4 44.f6 Nd5 45.f7 1–0. MasterofDisaster – grubby, Live Game Caissa's Web, 2004.

5.Be2 c6 6.a4 a6 7.c4 dc4–/+ 8.Bc4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.Nc3 Bd7 12.Nf3 Qa5 13.Qb1 h6 14.0–0= Re8 15.d4 e4 16.Nd2 Bf5 17.f4 Ng4 18.Re1 Bb4= 19.Qb3 Re7 20.Bb2 Bc3 21.Bc3+= Qc7 22.d5 cd5 23.Bd5 Rd7 24.Be4 Be4 25.Ne4 Rd3 26.Rd1 Re3=+ 27.Qd5 Qf4 28.g3 Qe4 29.Qe4 Re4 30.Rd8 Kh7 31.Rb8 Re3 32.Bd4 Rb3 33.Rb7+= Kg6 34.h3?? Nf6?? 35.b6 Rg3=+ 36.Kh2 Rb3 37.Ra7= Nd5 38.b7 Ne7? 39.Ra6 Kh7 40.Rb6 Rb6 41.Bb6 Nc6 42.Bc7 f5 43.Kg3 Kg6 44.Kf4 Kf6 45.b8Q Nb8 46.Bb8 g5 47.Kf3 h5 48.Kg3 h4=+ 49.Kg2 (better is 49.Kf3!?=+) ½–½. Sundin,Thommy (1900) – Storm,Patrik (1620), Bjoerkstadsschacket, Umea Sweden, 1988.

5.Be2 Nbd7 6.c4 dc4 7.Bc4 Nb6 8.Be2 0–0 9.d4 e4 10.a4 Nbd5 11.Bc4 Be6 12.Ne2? Nb4 13.Nd2 Bc4 14.Nc4 Nd3 15.Kd2?? Nf2–+ 16.Qb3 Nh1 17.Rh1 a6 18.b6 Re8 19.Nd6 Qd6 20.bc7 Rac8 21.Qb7 Rc7 22.Qb3 Rec8 23.Nc3 Ng4 24.h3? Ne3! 25.Ke3 Qg3 (26.Kd2 Qg2 27.Ne2 Qh1–+) 0–1. Steingraeber,Barbara – Melzer,Wilfried, RSS7E–3 remoteschach.de, 2002.

5.Be2 Nbd7 6.Nf3 =+.

5.Be2 e4 6.d3 0–0 7.de4 de4 8.Nd2 (8.Nc3 Qe7 9.Nd5 Nd5 10.Qd5 Rd8–/+) 8...Nbd7 (8...Qe7 9.Bf6 gf6 10.c3–/+) 9.Nh3 Nc5 10.Nf4 (10.Nc4 Na4 11.Bf6 Qf6 (worse is 11...gf6 12.Nd6 Qd6 13.Qd6 cd6 14.Nf4+=) 12.Nd6 Qc3 (12...Qd6?! 13.Qd6 cd6 14.Nf4=) 13.Kf1 cd6–/+) 10...Bf4 11.ef4 Nd5 12.Be5 f6 13.Bd4 Ne6 14.Bc4 Kh8 (14...Nd4?! 15.Ne4 c5 16.bc6+=) 15.Be3 (15.Ne4 Ndf4 16.Bc3 Ng2 17.Kf1 Nef4 18.Qd8 Rd8–/+) 15...Nef4 16.0–0 f5 17.Qe1 Re8 (17...Be6 18.Bd5 Nd5 19.f3–+) 18.Bf4 Nf4 19.Qe3 Qg5 20.g3 Nh3 21.Kh1 Be6 22.f4 ef3! 23.Qf3 (23.Nf3 Bc4 Deflection; 23.Qf3 Qd2 Pinning (23...Qd2 Deflection); 23.Rf3 Bc4 Combination) 23...Qd2 24.Be6 Re6 (better is 24...Ng5 25.Qd5 Rad8 26.Qd2 Rd2–+) 25.Qf5–/+ Rf6 26.Qh3 Rf1 27.Rf1 Qd5 28.Qg2 Qb5 29.a4 Qa6 30.Rf2 h6 31.Qe4 Rd8 32.Kg2 Qc6 33.Qc6= bc6 34.Rf5 Rd5 35.Rd5 cd5 36.Kf3 Kh7?? 37.Kf4+– Kg6 38.Ke5 Kg5 39.Kd5 Kg4 40.Kc6 Kh3 41.c4 h5+= 42.c5 Kh2 43.Kc7 Kg3 44.Kb8 h4 45.c6 h3 46.c7 h2 47.c8Q h1Q ½–½. Gavrijski,Dimitar (2085) – Vysniauskas,Vaidas, Memorial ICCF, 2007.

5.Be2 Bf5 6.Nf3 Nbd7 7.0–0 0–0 8.d4 ed4 9.Nd4= Be4 10.Nd2 Qe7 11.Ne4 Qe4 12.Nf3 Rfe8 13.Bd3 Qg4 14.a4 Ne4 15.c4 dc4 16.Bc4 Ndf6 17.Qb3 Qg6 18.Rad1 h6 19.Bd4+= Re7 20.Qb2 a5 21.ba6 ba6+/– 22.Qb7 Ree8 23.Ba6 Rab8 24.Qc6 Re6 25.Qc2 Bh2+= 26.Kh2 Qh5 27.Kg1 Ra6 28.Qc7 Re8 29.Qc4 Rd6 30.Bf6+/– Rd1 31.Rd1 Nf6 32.Qb5 Qg4 33.Qa5 Kh7 34.Rc1 Ne4 35.Rc7 f5 36.Qb6 Kh8 37.Qd4 Rb8 38.Qa1 Rd8 39.a5 Kh7 40.a6 Ra8 41.a7 Kh8 42.Rb7 Nd2?? 43.Rb8 Kh7 44.Nd2 Ra7 45.Qa7 Qd1 46.Nf1 Qd6 47.Qb6 Qd5 48.Qd8 Qd8 49.Rd8 (49…h5 50.Nd2+–) 1–0. SuperForte – GrandMasterChess, 1994.

5.Ne2 0–0 6.Nbc3 Bg4 7.d4 Re8 8.de5 Be5 9.h3 Bf5 10.a4 (10.Nd4 Bd4 11.Qd4 Bc2+=) 10...c5–/+ 11.Ra3 (11.g4 Be4 12.Ne4 Ne4 13.Be5 Re5+=) 11...Nbd7 (11...d4 12.ed4 cd4 13.Nb1–+) 12.f4 Bc3 13.Bc3 Nb6 14.Bf6 Qf6 (worse is 14...gf6 15.Ng3 Qd7 16.a5+=) 15.Qc1 d4 16.ed4 cd4 17.Kf2 (17.g4 Qh4 18.Kd1 Bg4–+) 17…Rac8 (17...Rac8 18.Qd1 Rc2–+). Stevenson,Michael D – Dale,Chris, NZCCA CT9704, 1997.

5.Ne2 c5 6.Ng3 Be6 7.d4 Nbd7 8.c4 dc4–/+ 9.dc5 Bc5 10.Qc2 Bb4 11.Nc3 Nc5 12.Rd1 Qa5 13.a3 Bc3 14.Qc3 Qc3 15.Bc3 Nfd7 16.Bb4 b6 17.Rc1 Nd3 18.Bd3=+ cd3 19.Rc3 Rd8 20.Rd3= Bc4 21.Rd6 Bb5=+ 22.f3 Rc8 23.Kd2 a5 24.Bc3 g6 25.e4 Ke7 26.Rd5=+ Bc4 27.Be5 Ne5 28.Re5 Kf6 29.f4 Rhd8 30.Ke3 Rd3 31.Kf2 Ba6 32.Rb1–/+ Rc2 33.Kg1? Rd6?? 34.Rd5 Rdc6 35.e5 Ke7 36.Rd6 b5 37.Rbd1 Rd6 38.ed6 Kd7 39.Ne4 Bb7 40.Nf6 Kd8 41.Re1 Rg2 42.Kf1+/– Bc6 43.d7! Kc7 44.Rc1?? Rd2=+ 45.Ke1 Rd4 46.Ke2 Rc4 47.Rd1 Kd8 48.Ke3 Rc3 49.Kd4 Rc4 50.Ke5 b4–/+ 51.ab4 ab4 52.Kd6? Ba4 53.Re1?? Bd7! 54.Nd7 Rd4 55.Kc5 Rd7 56.Kb4 Rd4 57.Kc5 Rf4 58.Re2 Rf5 59.Kd6 Rf6 (60.Kd5 Kd7–+) 0–1. Natali,Peter – Pohl,M, Oberschwaben–chB, 1991.

5.Nf3 0–0 6.c4 e4–/+ 7.Ne5 Re8 8.f4 ef3 9.Nf3 Ng4 10.Qb3 Bh2–/+ (11.Nh2 Qh4 12.Ke2 Qf2 13.Kd1 Nh2–/+) 0–1. Bivens,William – Hanison,Bernard, corr ICCF TT–4–90, 1993.

5.Nf3 Nbd7 (--> 4.Nf3 Nd7 5.e3 Ngf6).

5.Nf3 Qe7 (--> 4.Nf3 Qe7 5.e3 Nf6).

5.g3 0–0 6.Nf3 Qe7 7.Bg2 c5 8.d4 (Better is 8.d3!?–/+) 8...ed4–+ 9.0–0 de3 10.fe3 Qe3 11.Rf2? (Better is 11.Kh1 d4 12.Bc1–+) 11...Ne4 12.Qe2 Qf2 13.Qf2 Nf2 14.Kf2 Bf5 15.Nh4 Be6 16.Nc3 (16.c4 d4 (16...dc4?! 17.Bb7 Nd7 18.Ba8 Ra8 19.Nf3–+) 17.Bb7 Nd7 18.Ba8 Ra8–+) 16...Rd8 17.Nd5 Bd5 18.Bd5 Bg3! 19.hg3 Rd5 20.g4 g6 21.Nf3 Nd7 22.Re1 Kf8 23.Rh1 h5 24.gh5 Rh5 25.Rg1 Re8 26.c4 Nb6 27.Rc1 Re4 28.a4 Rc4 29.Rc4 Nc4 30.Bc1 Ne5 31.Ng5 Nd3 32.Kg3 Nc1 33.Ne4 c4 34.Nd6 c3 35.Nb7 c2 36.Nd6 Ne2 37.Kf2 Rh2 38.Kf3 c1Q 39.a5 Qf4# 0–1. MasterofDisaster – ronpaz, Live Game Caissa's Web, 2004.

5.g3 0–0 6.Bg2 Bg4 7.Ne2 Qd7 8.0–0?? (Better is 8.c4–/+) 8...Qb5–+ 9.Nbc3 Qb2 10.Rb1 Be2 11.Ne2 (11.Qe2 Qc2 12.e4 de4–+) 11...Qa2 12.Rb7 Nc6 13.Nc3 Qa6 14.Rb5 Bb4 (14...Nb4 15.Qb1 c5 16.Qa1 Qa1 17.Ra1–+) 15.Nd5 Qb5 16.Nc7 Qc4 17.d3 Qc3 18.Nb5 Qc5 19.Nc7 Rac8 20.Na6 Qb6 21.Nb4 Nb4 22.c4 Rfd8 23.d4 ed4 24.ed4 Rd4 25.Qb3 Rcc4 26.Rb1 Rd2 27.Qc4 Qf2 28.Kh1 Qg2# 0–1. MasterofDisaster – soniaprh2, Live Game Caissa's Web, 2004.

5.g3 b6 6.Bg2 e4 7.Ne2 a6=+ 8.Nd4 ab5 9.Nb5 Ba6 10.Nd4 c5 11.Ne2 Nbd7 12.0–0 Ne5 13.a4 Nf3–+ 14.Bf3 ef3 15.Nf4 Bf1 16.Kf1 0–0 17.Qf3–/+ Be7 18.Nc3 Qd7 19.Ncd5= Rad8? 20.Nf6 Bf6 21.Bf6 gf6 22.d3 Qf5 23.e4 Qe5 24.Re1 Kh8 25.Nh5 Rd6 26.Qg4 Qg5 27.Qe2 Re6 28.Rb1 f5+= 29.h4 Qg4 30.Nf4 Qe2+/– 31.Ne2 fe4= 32.d4 e3 33.d5= Rd6 34.c4 Ra8 35.Ra1 Kg7 36.fe3+= b5 37.cb5+/– Rd5 38.b6 c4 39.b7 Rb8=+ 40.Rb1 Ra5 41.Nd4 Ra4? 42.Nc6+– c3 43.Nb8 c2 44.Rc1 Rb4 45.Rc2 Rb7 46.Nc6 Rc7 47.e4 Kf6 48.g4 h6 49.Kf2 Kg7 50.Kf3 f6 51.Kf4 Rc8 52.Rc5 Re8 53.Nd4 Kf7 54.Nf5 Kg6 55.h5 Kh7 56.Rc7 Kh8 57.Nh6 Ra8 58.Rc6 Rf8 59.Nf5 Kh7 60.Nh4 Rf7 61.Kf5 Kg7 62.Kf4 Kh6?? 63.e5+– Kg7 64.Nf5 Kh7 65.ef6 Ra7 66.Re6 Ra4 67.Kg5 Ra7 68.Nd6 Ra5 69.Kh4 Ra7 70.f7 Kg7 71.h6 Kf8 72.Re8# 1–0. jorginho10 – LOBOKNIGHT, Live Game Caissa's Web, 2007.

5.h3 0–0 6.Nf3 e4 7.Nd4 –/+.

5.h3 c5 6.c4 Nbd7 7.a4 0–0 8.d3 d4 9.e4 a6 10.Nf3 ab5 11.ab5 Ra1 12.Ba1 Nb6 13.Be2 g6 14.0–0 Nh5 15.Re1 Nf4 16.Bf1 f5 17.Nbd2= Qc7 18.Qb3 Be6 19.Bb2 Ra8 20.Ra1 Ra1=+ 21.Ba1 Nd7 22.g3= fe4 23.Ng5 Nd3?? 24.Ne6+– Qa5 25.Ne4 Nc1 26.Qf3 Be7 27.Bb2 Qe1 28.Bc1 Qc1 29.h4 Nb6 30.N4g5 Bg5 31.Qf8# 1–0. Zierke,Marcel – Pfeiffer,Joerg (1670), Berlin op, 2003.

5.h3 Bd7 6.a4 0–0 7.Na3 a6 8.c4 ab5 9.Nb5 Bc5 (9...Be6 10.c5 Bc5 11.Be5–/+) 10.d4 (Better is 10.Be5!? dc4 11.Bc4+=) 10...ed4 11.Nd4? (11.Bd4 Bd4 12.Qd4 c5–/+) 11...Qe8?? (Better is 11...Bb4!? 12.Ke2 dc4–+) 12.Ngf3 Ba4 13.Ra4? Qa4–+ 14.Qa4 Ra4 15.Be2 Nc6 16.Nc6 bc6 17.0–0 Ne4 18.cd5 cd5 19.Bb5 Rb4 20.Bc6 Rb2 21.Bd5 Nd2 22.Rd1 Nf3 23.Bf3 Rfb8 24.Kh2 Bd6 25.Kg1 Rb1 26.Rb1 Rb1 0–1. MasterofDisaster – Alize, Live Game Caissa's Web, 2004.

5.h3 Qe7 6.d4 0–0 7.Nf3 e4 8.Nfd2 a6 9.a4 c6 10.c4=+ ab5 11.ab5 Ra1 12.Ba1 cb5 13.cb5 Be6–/+ 14.Bb2 Ne8 15.Qb3=+ f5 16.g3 Nd7 17.Ba3 Ndf6 18.h4 Ng4 19.Be2 Kh8 20.Bd6= Nd6 21.Qa3 Rc8 22.0–0 h5 23.Kg2 Rg8 24.Nc3 Qd8 25.Bg4 fg4 26.Qc5 Nf5 27.Ne2 Bf7 28.Ra1 Qd7+= 29.Rc1 Be6? 30.Nf4+– Bf7 31.Qc7 Rd8 32.b6 Nd6+/– 33.Qd7 Rd7 34.Rc7 Rc7 35.bc7 Kg8 36.Nb1 Kf8 37.Nc3 Ke8 38.Ncd5 Kd7+= 39.Kf1 Kc6 40.c8Q Nc8= 41.Nc3 Nd6 42.Ke2 b5 43.Kd2 b4 44.Nb1 Kb5 45.Kc2 Nc4 46.d5 Ka4 47.Ne6 Na3 48.Kb2 =. Osovsky,Boris – Zamarbide Ibarrea,Borja (2135), Mislata op–B, 2003.

5.c4 0–0

6.a3 a6 7.d4 ed4 8.Bd4 c5 9.bc6 Nc6 10.c5 Bc5 11.Bc5 Qa5 12.Nd2 Qc5 13.Ne2 Qa5 14.Qc2 Re8 15.Qc3 Qc3 16.Nc3 d4 17.Nd1 Bf5 18.Rc1 de3 19.Ne3 Nd5 20.Ndc4 Rad8 21.Be2 Nf4 22.Kf1 Bg6 23.Re1 Ne2 24.Ke2 Nd4 25.Kd2 Nc2 26.Kc3 Ne1 27.Re1 Rd3 28.Kb4 f5 29.Nc2 Rc8 30.Ne5 Rd2 31.Ng6 hg6 32.Ne3 Rb2 33.Ka4 b6 34.Rd1 f4 35.Nd5 Rc4 36.Nb4 Rc5 37.Rd5 Rb4! 38.Kb4 Rd5 39.Kc3 Rh5 40.a4 Rh2 41.g3 Rf2 42.gf4 Rf4 (43.Kd3 Ra4–+) 0–1. Pierred (2145) – Badastronaut (2415), internet, 2005.

6.a3 dc4 7.Bc4 a6 8.d4 ed4 9.Bd4 ab5 10.Bb5 =+.

6.a3 c6 7.d4 ed4 8.Bd4 dc4 9.Bc4 cb5 10.Bb5 Qa5 11.Nc3 Ne4 12.Nge2 Nc3 13.Bc3= Qb5 14.Qd6 Nc6 15.a4 Qg5 16.Qg3 Qg3 ½–½. Van Rooijen,Peter (1715) – Stadler,Pavel, SI–2003–0–00002, 2003.

6.a3 e4 7.Nc3 Bg4 8.Qa4 c6 9.d4 Re8 10.c5=+ Bf8 11.Be2 a6 12.b6 Nbd7 13.h3 Bf5 14.Qa5 h6 15.Bd1 Qe7 16.Nge2 Rad8 17.Nf4 g5 18.Nfe2 Bg7 19.Nc1 Nf8 20.Be2 Ne6 21.Nb3 Bg6 22.Nd2 Bh5 23.Ba6?? ba6 24.Qa6 Ra8 25.Qf1 Bg6 26.g4 h5 27.Qe2 hg4 28.hg4–/+ Rab8 29.a4=+ Ra8 30.a5 Reb8 31.a6 Re8 32.b7 Rad8 33.Nb5 cb5–+ 34.Qb5 Rb8 35.Qe2 Bf8 36.0–0–0? Bg7 37.Kb1 Qd7 38.Rc1 Nc7 39.c6 Qg4 40.Qg4= Ng4 41.a7 Rbd8 42.Rhf1 Bf6 43.Ba3 Bd4 44.Bd6 Be5 45.Be5 Ne5–/+ 46.Nb3 d4 47.Nd4= Nd3 48.Rc2 f6 49.Rc4 Bf7 50.Ra4 Nc5 51.Ra5 Bc4 52.Rc1 Bd3 53.Kb2 N5a6 54.Rca1 Bc4 55.Kc3+– Rd4?? 56.Kd4 Be2 57.Ra6! Nb5 58.Kc5 Na7 59.Ra7 Re5 60.Kd6 Rb5 61.Ra8 Kg7 62.b8Q Rb8 63.Rb8 Bf3 (63...Bg4 64.Ra7 Kg6 65.c7+–) 1–0. NN – REXChess, March, 1994.

6.a3 Bg4 7.Be2 Be2 8.Qe2 dc4 9.Qc4 –/+.

6.Qb3 dc4 7.Bc4 a6 8.Nc3 Nbd7 9.a4 e4 10.Qc2 ab5 11.Nb5 Be5 12.Ne2 Bb2–/+ 13.Qb2 c6 14.Nd6 Qc7 15.Nc8 Rfc8 16.Ng3 Rd8 17.Qc2 b5 18.Be2 Qa5 19.0–0 ba4 20.Ne4 Ne4 21.Qe4 Qd2 22.Bf3 Qa5 23.Ra3 Nc5 24.Qc4 Qb6 25.Rc1 Nb3 26.Rb1 Nd2 27.Qf7 Kf7 28.Rb6 Rab8 29.Rb8 Rb8 30.h4 Nf3 31.gf3 Ra8 32.Kg2 Ke6 33.f4 Kd5 34.Kf3 Kc4 (35.Ke2 Kb4–+) 0–1. Zylla,Johannes (2135) – Hoch,Hubertus (2165), BdF T, 2004.

6.Qb3 dc4 7.Bc4 c6 8.d4 cb5 9.Bb5 –/+.

6.Qb3 Be6 7.d4 ed4 8.Bd4 c5 9.Bb2 Nbd7 10.Nf3 Re8 11.Be2 dc4 12.Bc4 Bc4 13.Qc4 Qc7 14.Nbd2 Ne5 15.Ne5 Be5 16.Be5 Re5 17.0–0 Rd8 18.Nf3 Red5 19.h3 b6 20.a4 Qe7 21.Ng5?? Rg5–+ 22.Rfe1 Qe4 23.Qe4 Ne4 24.Red1 Rgd5 25.Rd5 Rd5 26.f3 Nc3 27.Kf2 Rd2 28.Kg3 Na2 (29.Kf4 Rg2–+) 0–1. Guenther,Klaus – Kuhlmann,AEJ, corr ICCF TT–4–90–12, 1990.

6.Qc2 c6 7.cd5 Nd5 8.Nc3 Be6 9.Nf3=+ Nd7 10.a3 Rc8–/+ 11.bc6 Rc6 12.Bb5 Rc5 13.Rb1 Qe7 14.0–0 a6 15.Be2 b5 16.Rfd1 Rfc8–/+ 17.Rbc1 N7b6 18.Qb1 Nc3 19.Rc3 Rc3 20.Bc3 f6 21.Bd3 g6 22.Ba5 Nc4 23.Bc4 Rc4 24.d4 ed4 (25.Nd4 Bg4–/+) 0–1. Schreber,Daniel Paul – Jacewicz,Grzegorz, corr or01–010 E–mail, 2001.

6.Qc2 Nbd7 7.d4 dc4 8.Bc4 ed4 9.Bd4 =+.

6.Qc2 Nbd7 7.Nf3 Qe7 8.Be2 dc4 9.Bc4 e4 10.Nd4 Ne5 11.Be2 Re8 12.Nc3 Ng6 13.d3 ed3 14.Bd3 Nf4 15.Bf1 N6d5 16.Nd5= Nd5 17.Be2 Bb4 18.Kf1= Bd7 19.Nf5? Bf5–/+ 20.Qf5 Qe3! 21.Qg4 Qh6 22.Bf3 Bc3 23.Bc3 Nc3 24.Bb7 Qd2 25.g3 Rad8 26.Bc6 Re2 27.Qf4 Qf4 28.gf4 Rdd2 29.Kg2 Rf2 30.Kg3 g6 31.a4 Rfe2 32.Rhe1 Rd3–+ 33.Kg4 Rh2 34.f5?! gf5 35.Kf5 Rf2 36.Kg4 Ne2 37.Rad1 Rg3 38.Kh4 Rh2# 0–1. Palmi,Herbert (1945) – Schmidt,Anton (2075), Regionalliga SO, 2004.

6.Nc3 d4 7.Nd5 Nd5 8.cd5 de3 (8...Nd7 9.Nf3–/+ (9.Qc2 Nb6 10.Nf3 Bd7 11.Be2 Nd5 12.0–0 c5) 9...de3 10.de3 Bb4 11.Ke2 Bd6 12.Ke1 e4; 8...Bf5 9.Qf3 Qd7 10.Nh3 e4 11.Qd1 d3 12.f3 Qb5) 9.fe3 (9.de3 Bb4 10.Ke2 Nd7+= (10...Bf5 11.Nf3 Nd7 12.Ne5 Ne5) 11.Nf3 Bd6 12.Ke1 e4) 9...Qh4–/+ 10.g3 Qe4 11.Qf3 (11.Nf3 Qd5 12.Be2 e4) 11...Qc2 12.Bc3 a6 (12...Nd7–/+) 0–1. Maly,Guenther (1740) – Kleinsorgen,Horst (1740), RSS7E pioneer–9, 2009.

6.Nc3 Be6 7.d3? (7.cd5 Nd5 8.Nd5 Bd5+=) 7...Nbd7 (better is 7...d4 8.ed4 ed4–+) 8.Nf3–/+ c6 9.a4 h6 10.Be2 Re8 11.0–0 Qc7 (11...dc4 12.dc4 Nc5 13.Qc2+=) 12.Qb3 (better is 12.bc6!? bc6 13.cd5 Nd5 14.Qc2+=) 12...e4 13.Nd4 (13.de4 Nc5 14.Qc2 de4–/+ (worse is 14...dc4 15.Ba3+=; 14...Nfe4?! 15.bc6 bc6 16.cd5 Bd5 17.Nd5 cd5 18.g3=)) 13...Bh2 14.Kh1 Be5 (14...Nc5 15.Ne6 Re6–+ (15...Ne6 16.cd5 Nc5 17.Qa2–/+; 15...fe6?! 16.Qc2–+)) 15.Ne6= fe6 16.d4 Bd6 17.f4 (17.a5!?=) 17...ef3+= 18.gf3 (18.Bf3!? dc4 19.Qc4+=) 18...Nh5–/+ 19.Rg1 (better is 19.Rf2!?–/+) 19...Ng3–+ 20.Kg2 Ne2 (better is 20...Nf5 21.bc6 bc6–+) 21.Ne2–/+ Rf8 22.Raf1 Rf6 23.c5+= Be7 24.Kf2 Raf8 25.Kg2 Rg6–+ 26.Kh1?? Rg1 27.Ng1 Rf5 28.Rf2?? Qg3 29.Qc2 Rg5 30.Rg2 Rh5 31.Rh2 Rh2 32.Qh2 Qh2 33.Kh2 Bf6 34.Ne2? Nc5! 35.dc5 Bb2 36.Nd4 Bd4 37.ed4 Kf7 38.Kg3 Kf6 39.Kg4 e5 40.de5 Ke5 41.f4 Ke4 42.f5 d4 43.f6 gf6 0–1. Baer,Cy (1895) – Fares,Rodolpho jr, CiF, 2007.

6.c5 Bc5–/+ 7.Be5 Re8 8.Nf3 Bg4 9.Bb2 c6 10.Qb3 Nbd7 11.Nc3 Bb6 12.Be2 Nc5 13.Qb4 Bf3–/+ 14.gf3 d4 15.Na4 de3 16.fe3= Na4 17.Qa4 Nd5 18.0–0–0 Re6 19.Rhg1= g6 20.bc6 bc6 21.Rg4 Rb8 22.Rc4 Qe8 23.Re4 Bc5 24.Re6= Qe6 25.Qe4 Qc8 26.Bc4 Be7 27.Bd5? cd5–+ 28.Qc2 Qb7 29.d4?? Rc8–+ 30.Bc3 Ba3 31.Kd2 Qc7 32.f4 Qd7 33.Rb1 Qg4 34.Rb3=+ Be7 35.Qd3 Bh4 36.Qe2 Qf5 37.Qd3 Qh3 38.Qe2=+ Re8 39.Rb5 Qd7=+ 40.Kd3?? Qb5–+ (41.Kd2 Qb1–+) 0–1. Gerigk,Wolf – Harm,Joerg (2235), Oberliga Nord N, 2004.

6.d4 Bb4 7.Bc3 Bc3 8.Nc3 ed4 9.Qd4 dc4 10.Qd8 Rd8 11.Bc4 c6 12.Nf3 cb5 13.Nb5 Nc6 14.Nbd4 Nd4 15.Nd4 Bd7 16.Ke2 a6 17.a4 h6 18.a5 Bg4 19.f3+/– Bh5 20.Rhd1 Nd5 21.Rac1 Bg6 22.e4 Ne7 23.Ke3 Rac8 24.Bd3 Rc1 25.Rc1 Rc8 26.Rc8 Nc8 27.f4 f6 28.Ne6 Nd6 29.Kd4 Be8 30.Kc5 Nf7 31.Kb6 (31...g5 32.Kb7 gf4 33.Ka6+–) 1–0. Sternik,Ryszard – Gross,Gerald, internet, 2005.

6.d4 ed4 7.Qd4 Bb4 8.Bc3 c5 9.Qd3 Bc3 10.Nc3 d4 11.ed4= cd4 12.0–0–0 Qa5 13.Qd4 Qa3 14.Kd2 Re8 15.Be2 Bf5 16.Ke1 Bc2–/+ 17.Rd2 Qc1 18.Nd1 Ne4 19.Qe3 Qd2 20.Qd2 Nd2 21.Kd2 Bd1 22.Bd1 Rd8 23.Kc1 a6 24.Bb3 Nd7 25.Nh3 ab5 26.cb5 Nc5 27.Kc2 h6 28.Re1 Rac8 29.Kb1 Nb3 30.ab3 Rc5 31.Rc1 Rb5 32.Kb2 Kh7 33.Rc3 g5 34.Rc7 Kg6 35.Kc3 Rd1 (36.Kb2 Rh1–+) 0–1. Van Rooijen,Peter (1700) – Leisebein,Peter (2135), KO–05 TSC, 2002.

6.d4 ed4 7.Qd4 Re8 8.cd5 Be5 =+.

6.d4 Ne4 7.a3 dc4 8.Bc4 Qh4 =.

6.Nf3 Qe7 7.d4 ed4 8.Qd4 Be6 9.Nc3 c5 10.Qh4 d4 11.Ne4 Ne4 12.Qe4 f5 13.Qc2 de3–/+ 14.fe3 Nd7 15.Bd3=+ Nf6 16.0–0 Ng4 17.Rae1 Rae8 18.h3 Nh6 19.Qc3 Bg3 20.Re2 Bc8 21.e4+= f4 22.e5 Be6 23.Be4 Nf5 24.Bc1 Rd8 25.Rd2 Rd2 26.Bd2 b6 27.Qc1 g6 28.Bd5 Ng7 29.Be1+= Nf5 30.Bd2 Ng7 31.Be1 Nf5= 32.Bd2 (32.Bg3!? Ng3 33.Rf2+=) ½–½. Schulze,Harald (2125) – Sommer,Matthias (2115), Regionalliga NO, 2002.

6.Nf3 Bg4 7.Be2 Bf3 8.Bf3 e4 9.Be2 c6 10.Nc3 Qc7 11.0–0 (better is 11.cd5!? cd5 12.Qb3=) 11...Bh2 12.Kh1 Bd6 13.g3 (13.cd5 cd5 14.d3 Rd8–/+) 13...Qd7 14.Kg2 h6 15.d3 Re8 16.bc6 bc6 17.cd5 cd5 18.de4 de4 19.Bb5 Nc6 20.Nd5 Nd5? (better is 20...Qb7 21.Nf6 gf6+/–) 21.Qd5+– Rac8 22.Rac1 Rc7 23.Rfd1 Re6 (23...Rec8 24.Qd6 Qd6 25.Rd6+–) 24.Bc6 Rc6 (24...Qe7+–) 25.Qc6 (25.Qc6 Qe7 26.Qd5+–) 1–0. Tiedemann,Joern (2020) – Baer,Cy (1790), RSS7E easy–114, 2010.

6.cd5 Nd5

7.Qb3 Be6 8.Bc4 c6 9.bc6 bc6 10.e4 Nf4 11.Be6 Ne6 12.Nf3 Na6 13.0–0 Rb8 14.Qc3 Nf4–/+ 15.Kh1 Nc5=+ 16.Ba3 Ne4 17.Qc6 Ba3 18.Na3 Qd3 19.Rae1 Nf6 20.Qc3 N6d5 21.Qd3 Nd3 22.Re4 f6 23.Ra4 Rf7–+ 24.Nc4 Rd7 25.Ne3 Rb2 26.Nd5 Rd5 27.Kg1 a5 28.h3 g6 29.Rd1 f5 30.Ne1 Ne1 31.Re1 Rdd2 (32.Re5 Rf2 33.Raa5 Rg2 34.Kf1 Rbf2 35.Ke1 Ra2 36.Ra2 Ra2–+) 0–1. Boehnke,Hartmut (2160) – Malyshev,Vladimir Pavlovich (2275), corr ICCF, 2005.

7.Qb3 Nf6 8.d4 Be6 9.Bc4 Bc4 10.Qc4 =+.

7.Nc3 Nc3 8.Bc3 Nd7 9.Qc2 Re8 10.Ne2 Nc5 11.Ng3 a6 12.Bb4 b6 13.a4 ½–½. Heinrich,Olaf (2290) – Schlaeger,Michael (2270), RSX7E–A00–Sokolsky–1, 2008.

7.Nc3 Be6 8.Nd5 Bd5 9.Ne2 Nd7 10.Nc3 Be6 11.Be2 f5 12.0–0 Nf6 13.Qa4 Qe7 14.g3 black timed out 1–0. pcmvr (2765) – jcampetella (2645), net–chess.com, 2014.

7.Nc3 Be6 8.Nf3 Nc3 9.Bc3 e4 10.Nd4= Bc8 11.d3 Re8 12.de4 c5 13.bc6 Nc6 14.Nb5 Bb8 15.Qd8 Rd8 16.Bc4 Ne5 17.Bd5 a6 18.Nd4 (18...Bd6 19.Rb1+–) 1–0. Taulien,Hans_Juergen (2225) – Kerner,Max (1825), remoteschach.de, 2003.

7.Bc4 Be6 8.e4 (Better is 8.Qb3!? c6 9.bc6 bc6 10.e4=+) 8...Nf4–/+ 9.Bf1 Nd7 10.a4? Nc5–+ 11.d3 Ncd3!! 12.Bd3 Bb4 13.Bc3 Nd3 14.Ke2 Nf4 (15.Ke1 Ng2 16.Kf1 Qd1 17.Kg2 Qg4 18.Kf1 Bc4 19.Ke1 Qe4 20.Kd2 Rfd8 21.Kc1 Bb3 22.Na3 Ba3 23.Ra3 Qc2) 0–1. Neffgen,Dieter – Zuber,Martin, RSS5D easy–1, 2003.

7.e4 Nf4 8.Qf3 a6 9.ba6 Na6 10.g3 Ne6 11.Qc3 Nd4 12.Qc1 (better is 12.Ba6!? Ra6 13.Qd3–+) 12...Nb4 13.Bd4 ed4 0–1. Stasiak,Wiktor – Juan Rodriguez,Francisco Javier, Spain–Poland, 2008.

7.Qf3 Nb4 8.Na3 Be6 –/+.

7.Nf3 e4–/+ 8.Qb3 c6 9.Nd4 Nf6 10.Bc4 =+.

7.Nf3 e4 8.Qb3 ef3 9.Qd5 fg2 10.Qg2 =.

7.Nf3 e4–/+ 8.Qb3 Nf6 9.Nd4 c5 10.bc6=+ Nc6 11.Na3 Na5 12.Qd1 Bd7 13.Be2 Rc8 14.Qb1 a6–/+ 15.0–0 b5 16.d3=+ Qe7 17.Nac2 ed3 18.Bd3 Nc4 19.Nf3 Bg4 20.Ncd4 Nb2 21.Qb2 Rfd8 22.h3 Bf3 23.Nf3 Rc5 24.a4 Rd5 25.Be2 Ne4 26.ab5 ab5 27.Rfc1 Rb8 28.Qb3 Rc5=+ 29.Rc5 Nc5 30.Qd5 Rd8 31.Qf5 b4 32.Bc4 g6 33.Qg4 Nd7 34.g3 Ne5= 35.Ne5 Be5 36.Ra5 Bc3 (36...Rd2 37.Qf3 Bb2 38.Kg2=) ½–½. Taulien,Hans_Juergen – Bekemann,Uwe, Remoteschach, 2001.

7.Nf3 e4–/+ 8.Nd4 c5 9.bc6 Nc6 10.Qb3 Bc7 11.Nc6 bc6 12.Qa4 Rb8 13.Bd4 c5 14.Bc5 Be5 15.Bd4 Rb4 16.Qc6 Rd4 17.ed4 Bd4 18.Nc3 Nb4 (19.Qa4 Bf2 20.Kd1 Be3 21.Ne4 Qd4–+) 0–1. Van Rooijen,Peter (1745) – Beninsky,Svejen (1710), IECC, 2000.

7.Bc4 Nb6–/+

8.Bb3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Qe8 (11...N8d7!?–/+) 12.Nc3+= N8d7 13.Nf3 (13.Ne4!?=) 13...Nc5–/+ 14.Bc2 h6 (14...e4 15.Nd4–/+) 15.0–0 (15.d4 ed4 16.Qd4=) 15...Bg4 (15...e4!? 16.Ne1 f5+=) 16.h3 Bh5 17.Qb1 (better is 17.d4!? ed4 18.Qd4=) 17...Bf3–/+ 18.gf3 Qe7 (18...Nc4!? 19.Qc1 Qd7–/+) 19.Ne4= Ne4 20.Be4 Qh4 21.Kh2 (21.Bb7 Qh3 22.Bc3 f5–+) 21...f5 (21...Rb8 22.Bc3=) 22.Bb7+= (22.Bf5? e4 23.f4 Bf4 (23...Rf5?! 24.Qe4 Rg5 25.Qf3–+) 24.ef4 Qf4 (24...Rf5 25.Be5=) 25.Kh1 Qf3 (25...Rf5?! 26.Qb3 Kh7 27.Rg1–/+) 26.Kh2 Rf5–+ (26...Qf5?! 27.Rg1 Rf7 28.Qb2–+)) 22...Rf6 23.f4 ef4 24.e4 (24.Bf6 f3 25.Kg1 Qh3 26.Qb3 Kh7 27.Qg8 Kg8 28.Bd5 Nd5 29.Bg7 Qg2) 24...fe4 25.Qe4 (25.Bf6 f3 26.Kg1 Qh3 27.Qb3 Kf8 28.Bg7 Kg7 29.Qc3 Kf7 30.Qb3 Ke7 31.Qf7 Kf7 32.Bd5 Nd5 33.b6 Qg2) 25...f3 26.Kg1 Qh3 0–1. Leon Manas,Jose Francisco (1710) – Sanchez Quintero,Raul (2085), 2nd Open Internacional MC Claud, 2010.

8.Bb3 a6 9.Nc3 ab5 10.Nb5 Nc6 11.Nf3 (11.Ne2 Bb4=+) 11...Bf5 (11...e4 12.Nd6 Qd6 13.Nd4–/+) 12.a4 (12.Nd6 Qd6 13.d4 e4=+) 12...Re8 (12...Nb4 13.0–0 (13.Ne5? Be5 14.Be5 Nd3 15.Kf1 Ne5–+) 13...Nd3 14.Qb1=+) 13.Nd6=+ Qd6 14.Ng5 Bg6 15.0–0 h6 16.Nf3 Bd3 17.Re1 Qb4 (17...Red8 18.Rc1 Nd7 19.e4=+) 18.e4=+ Nc4 (18...Qd6 19.Re3=+) 19.Bc3 Qc5 20.Bc2 Bc2 (20...Qd6 21.Bd3 Qd3 22.Qb1 Qb1 23.Rab1=+) 21.Qc2 Rad8 22.d3 Nb6 (22...Nd6 23.Rec1 Qa7 24.Qb2=) 23.Rec1+= Nd7 24.Qb2 Qd6 25.Qb7 (25.a5!?=) 25...Rb8=+ 26.Qa6 Nc5 27.Qc4 Nb3 (27...Nd3? 28.Rd1 Red8 29.a5+–) 28.Rab1 Nc1 29.Rc1 Qa3 30.Re1 Re6 31.h3 Qb3 32.Nd2 (32.a5 Qc4 33.dc4 Rb3–/+) 32...Qc4 (32...Qc2!?–/+) 33.Nc4= f6 34.Rc1 (34.Kf1 Na7=) 34...Rd8=+ 35.Nb2 Red6 36.Ra1 Rb8 37.Ra3 (37...Kf7 38.Kf1=+). Vettenburg – Knorr, corr SOK–97–125, 1999.

8.Bb3 a6 9.d4 ab5 10.de5 Bb4 11.Bc3 Qd1 12.Bd1 Be7 –/+.

8.Bb3 Bd7 9.a4 a6 10.a5 Nc8 11.ba6 Na6 12.Ne2 e4–/+ 13.0–0 Nc5 14.Nbc3 Be5 15.Qc2 Nd6 16.f4 ef3–/+ 17.Rf3 Qh4 18.Ng3 Nb3 19.Qb3 Nc4 20.Bc1 Bc6–+ 21.Rf2 Na5 22.Qd1 Rfd8 23.Qh5 Qh5 24.Nh5 Bc3 25.dc3 Nc4 26.Ra8 Ra8 27.Ng3 Nd6 28.h3 Ra1 29.Rf1 f5 30.Bd2 Ra2 31.Rf2 Be4 32.Kh2 b5 33.Be1 Ra1 34.Rf1 Bd3 35.Rg1 Ra2 36.h4 Nc4 37.Nf1 c5 38.Kg3 Kf7 39.Kf4 b4! 40.cb4 cb4 41.Ng3 b3 42.Bc3 Rf2 43.Kg5 h6 44.Kh5 Ne3 45.Nh1 Ng4 46.Nf2 (46.Bg7 Kg7 47.Nf2 Nf6#) 0–1. Kessler,Meinrad – Baer,Werner, TT–10 ETC, 2004.

8.Bb3 N8d7 9.d4 ed4 10.Bd4 Nc5 11.Bc2=+ Qe7 12.Nf3 a6 13.a4 Bg4 14.Bg7 Bf3 15.Bf8 Bd1 16.Be7 Bc2 17.Bd6 cd6 18.ba6 Ra6 19.Nc3 Nca4 20.Nb5 Nc4 21.Nd4 Bd3 22.f3 Rb6 23.Kf2 Rb2 24.Kg3 Nc5 25.e4 Kg7 26.Rhe1 Kf6 27.Ra8 Ke5 28.Nf5 d5 29.Re8 Kf6 30.Rc8 Na4 31.Kh3 de4 32.fe4 Ne5 33.Rc7 b5 34.Nd6 Ke6 35.Ne8 Bc4 36.Re3 Nd3 37.Rf3 Nf2 38.Kh4 Ne4 39.Rff7 Rg2 40.h3 Nac3 41.Rce7 Kd5 42.Rf5 Kd4 43.Rd7 Ke3 44.Rb7 Nd5 45.Rd5 Bd5 46.Rb5 Bf7 47.Re5 Rf2 48.Re4 0–1. 45 GALLON FISH (2105) – knightwiz (2300), ChessWorld.net, 2003.

8.Be2 Be6 –/+.

8.Be2 Qe7 9.Nf3 Bg4 10.0–0 N8d7 11.d4 e4 12.Nfd2 Be2 13.Qe2 f5 14.Nc3 Rf6 15.f4 (15.f3 ef3 16.Qf3 Re8=) ½–½. Palmi,Herbert – Kreuzer,Klaus (2100), Nord Bayern–ch, 2001.

8.Be2 Bf5 9.Nc3 Bg6 10.a4 a6 11.a5 N6d7 12.d4 ed4 13.Qd4=+ ab5 14.Bb5 Qg5 15.Kf1=+ Nf6 16.Nf3 Qh5 17.Qh4 Qc5 18.Qc4 Qc4 19.Bc4 Nc6 20.Nb5 Na5 21.Nd6 Nc4 22.Nc4 Bd3 23.Ke1 Ra1 24.Ba1 Bc4 25.Bf6 gf6 26.Kd2 c5 27.Kc2 Rd8 28.Nd2 Bd3 29.Kb2 b5 30.Ra1 Kg7 31.Ra7 Bf5 32.Nb3 Rc8 33.Ra5 Bd3 34.h4 Kg6 35.Kc3 Bf1 36.Kc2 f5 37.g3 h5 38.Nd2 Be2 39.Ra6 f6 40.Rd6 Kf7 41.Rb6 Ke7 42.Kc3 b4 43.Kc2 Rd8 44.Rc6 Rd5 45.Nb3 Kd7 46.Rf6–/+ Kc7 47.Kb2 Bf3 48.Rf8 Bg4 49.Ra8 Kc6 50.Rc8 Kb5 51.Ra8 Bd1 52.Rb8 Kc4 53.Na5 Kd3 54.Nc6 Ke2 55.Ne7 Rd2 56.Kc1 Bb3 57.Rc8 Rc2 58.Kb1 Kd2 59.Rd8 Kc3 60.Nd5 Bd5 61.Rd5 c4 62.Rd1 Kb3 63.Ka1 c3 64.e4 Ra2–+ 65.Kb1 c2 66.Kc1 Ra1 67.Kd2 cd1Q 68.Ke3 Qe1 69.Kf4 Qe4 70.Kg5 Ra6 71.f3 Qf3 72.g4 Qg4# 0–1. Pierred (2185) – Adamp01 (2420), internet, 2005.

6.Nf3 e4

7.Nd4 c5 8.Nb3 dc4 9.Bc4 Nbd7 10.0–0 Qc7 11.h3 Ne5 12.Be2 Be6 13.Nc3 Nc4 14.Qc2 Nb2 15.Qb2 Rad8 16.Qc2 Rfe8 17.a4 Bh2 18.Kh1 Be5 19.Rac1 b6 20.Rfd1 Re7 21.Kg1 c4 22.Nd4 Bd4–+ 23.ed4 Rd4 24.Nb1 Nd5 25.Na3 Nf4 26.Bf1 Qc5 27.Nc4 Rc7 28.Ne3 Nh3! 29.Kh2 Qe5 30.f4 ef3 (31.Kh1 Nf2 32.Kg1 Rc2 33.Rc2 Nd1 34.Nd1 fg2 35.Bg2 Qe1 36.Kh2 Rh4 37.Bh3 Rh3 38.Kg2 Rg3 39.Kh2 Qg1#) 0–1. Istvanny (1630) – Emma123 (1745), internet, 2007.

7.Nd4 c5 8.Nb3 Be6 9.cd5 Nd5 =+.

7.Nd4 c5 8.Nb3 Be6 9.Bf6 Qf6 10.Nc3 dc4 11.Ne4 Qe7 12.Na5 Bc7 –/+.

7.Nd4 c5 8.bc6 Nc6 9.cd5 Nd5 10.Nc6 bc6 11.Nc3 Rb8 12.Rb1 Bf5 –/+.

7.Ne5 Qe7 8.f4 Rd8 9.Nc3 Be5–/+ 10.fe5 Qe5 11.Qc2 dc4 12.Bc4 Qf5 13.Rf1+/– Qh5 14.Rf6 gf6 15.Ne4 Nd7 16.Bf6 Re8=+ 17.Bb2 Qh4 18.Nf2 Ne5 19.Bf1 Qh2 20.e4 Qg3–/+ 21.Qc5 Bf5 22.Qc3 Qc3 23.Bc3 Be4 24.Ne4 Ng6 25.Bd3 Nf4 26.Bc2 f5–+ 27.d3 fe4 28.de4 Rad8 29.Kf2 c5 30.bc6 bc6 31.Rh1 Nd3 32.Kf3=+ Nc5 33.Rh6 a6 34.Rc6 Rc8 35.Rc8 Rc8 36.Bd4 Kf8 37.Be3 h5 38.a4 Rc6 39.g3 Ke7 40.Bg5 Kd7 41.Be3 Ne6 42.Bd3 Kd6 43.Bf4 Kc5 44.Bd2 Kd4 45.Be2 a5 46.Bb5 Rc8 47.Bd7 Rf8 48.Ke2 Rf6 49.Be8 Ke4 50.Bh5 Nd4 51.Ke1 Kd3 52.Bf4 Rb6 53.Kf2 Rb2 54.Kf1 Ke4 55.Bg6=+ Kd5 56.Bc7 Rb4 57.Be8 Nb3=+ 58.Kg2 Rb7 59.Bf4 Nc5 60.Bb5 Ne4 61.Be8 Nd6 62.Bd6 Kd6 63.Kf3 Ke6 64.Kf4 Rb8–+ 65.Bc6 Rb6 66.Be8 Ke7 67.Bh5 Rb4 68.Ke5 Ra4 69.Kd5 Ra2 70.Kc4 a4 71.Kb4 a3 72.g4 Kf6 73.Kb3 Ra1 74.Be8 Kg5 75.Bd7 Kg6 76.Be8 Kh6 77.Ba4 Kh7 78.Be8 Kg8 79.g5 Kf8 80.Bc6 Ke7 81.Bd5 Kd6 82.Bg8 Ke5 83.Bh7 Ke6 84.Bg6 Ke7 85.Bh5 ½–½. bambinik (2470) – valodia (2490), internet, 2003.

6.Nf3 Re8

7.Qc2 c5 8.bc6 Nc6 9.c5–/+ Bc7 10.Be2 Bg4 11.h3 Bh5 12.d3 –/+.

7.Qc2 c6 8.c5 Bc7 9.a4 Bg4 10.Be2 Nbd7 11.h3 Bh5 12.0–0 Qe7 13.d4 e4 14.Ne1 Be2 15.Qe2 Nf8 16.Nc3 Ng6 17.g3 Qd7 18.Kg2 h6 19.f4 ef3 20.Nf3 Nh5–/+ 21.Ne5 Ne5 22.Qh5 Nc4 23.Bc1 Ne3 24.Be3 Re3 25.Rf3 Rf3 26.Qf3 Re8 27.Rf1 Re6 28.Qg4 Qe7 29.Rf2 Bg3!–+ 30.Re2 Bc7 31.Re6 Qe6 32.Qe6 fe6 33.Kf3 Kf7 34.Na2 Ba5 35.Nc1 Bc3 36.Ne2 Bb2 37.Ke3 e5 38.de5 Be5 39.Nc1 g5 40.Nd3 Bc3 41.Nf2 Ke6 42.Kd3 Be1 43.Ng4 h5 44.Nh2 Bf2 45.Nf3 Kf5 46.a5 a6 47.b6 Bc5 0–1. Raeva,Elitsa (2215) – Muzychuk,Anna (2455), ch–Euro Rapid Women, 2007.

7.Qc2 e4 8.Nd4 c5 9.bc6 Nc6 10.c5 Be7 11.Be2 Nd4 12.Bd4 =+.

7.d3 dc4 8.dc4 e4 9.Nd4 –/+.

7.d3 c6 8.a4 a6–/+ 9.Nbd2 Nbd7 10.Be2 ab5 11.ab5 Ra1 12.Qa1 cb5 13.cb5 Qb6 14.d4 e4 15.Ne5 Bb4 16.Bc3 Bc3 17.Qc3 Ne5 18.de5 Ng4 19.0–0 Ne5–/+ 20.Rc1 h6 21.Nb3 Bd7 22.Qd4 Qd4–/+ 23.Nd4 b6 24.Kf1 Rc8 25.Rc8 Bc8 26.Ke1 Kf8 27.Kd2 Ke7 28.Kc3 Kd6 29.h3 Bd7 30.h4 Kc5 31.Nb3= Kd6 32.Nd4 g5 33.hg5 hg5 34.f3 f5–+ 35.f4 gf4 36.ef4 Ng6 37.g3 Nf8 38.Bh5 Kc5 39.Be2 Ne6–+ 40.Nb3 Kd6 41.Nd4 Nc5 42.Bf1 Na4 43.Kb4 Nc5 44.Kc3–+ Nb7 45.Kb4 Na5 46.Be2 Ke7 47.Kc3 Kf6 48.Bf1 Be8 49.Be2–/+ Bf7 50.Bf1 Bh5 51.Be2 Be2 52.Ne2 Nc4 53.Kd4 Ke6 54.Nc3 Na3 55.Nd5 Nb5 56.Kc4 Nd6 57.Kd4–/+ b5 58.Nb4 (58.Kc5!?–/+) ½–½. Borkowski,A – White,Ian Graham, Bristol op, 1997.

7.cd5 Nd5 8.Qb3 Nb6=+ 9.d4 e4 10.Ne5 Be6 11.Qc2 Bb4 12.Bc3 =+.

7.cd5 Nd5 8.Nc3 Nc3 9.Bc3 Nd7 =+.

7.cd5 Nd5 8.e4 Nf4 9.Nc3 Bg4 10.h3 Bh5 11.g4 Bg6 12.h4 =+.

7.Be2 c5 8.d3 Nbd7 9.0–0 e4 10.de4+= Ne4 11.cd5 Ne5 12.Nc3 f5 13.Ne4 fe4 14.Ne5 Be5 15.Be5 Re5 16.Qc2 Qd6 17.Rfc1 b6 18.Qb3 Bb7 19.Rd1 Rf8 20.Rd2 Kh8 21.f4 Rd5+= 22.Rd5 Bd5= 23.Qa4 Qf6 24.Rd1+= Qf7 25.Rd2 h6 26.Qc2 Re8 27.Qd1 Ba2 28.Bh5+/– g6 29.Qa1 Kh7 30.Qa2 Qa2+= 31.Ra2 gh5 32.Ra7 Kg6 33.Rc7 Ra8 34.Rc6+/– Kf5 35.Rb6 Ra1 36.Kf2 Ra2 37.Kg3 Re2 38.Kh3 (38...Re3 39.g3=). Zepeda,Rafael – Martinez,Carlos Alejandro (2270), Central America–ch, 1997.

7.Be2 e4 8.Nd4 –/+.

5.c4 a6

6.a4 0–0 7.cd5 Nd5 8.Nc3 f5?? (better is 8...Be6+=) 9.Nd5 Be6 10.Nc3 ab5 11.ab5 Ra1 12.Ba1 Bb4 13.Nf3 e4 (13...Nd7 14.Qa4 Qe7 15.Be2+–) 14.Nd4 Bc8 (14...Qd6+–) 15.Qb3 (15.Qb3 Kh8 16.Qb4+–) 1–0. mr5reasons1 (1635) – porygon, gameknot.com, 2012.

6.a4 0–0 7.Nf3 e4 8.Nd4 c5 9.bc6 Nc6 10.cd5 Nd5 11.Nc6 bc6 12.Nc3 Rb8 13.Rb1 Nb4 14.Ne4 Bf5 15.Qf3 Qd7 16.Be2? (better is 16.Rc1 Be7 17.g4 Bg4 18.Qg2 Nd3 19.Bd3 Qd3 20.Qg4 Rb2 21.Rg1–+) 16...Nc2–+ 17.Kd1 Ba3 18.Qf4 (18.g4 Bg6 (18...Rb2?! 19.Rb2 Be4 20.Qe4 Ne3 21.fe3 Bb2 22.Qf5 Qf5 23.gf5=) 19.Ba3 Rb1 20.Kc2 Qd5 21.Rb1 Be4 22.Qe4 Qe4 23.Kc1 Rd8–+) 18...Rfe8 (18...Rb2?! 19.Rb2 Ne3 20.fe3 Bb2 21.Rf1=; 18...Bb2?! 19.Kc2 c5 A) 20.Rb2 Qa4 21.Kb1 Be4 (21...Qe4?! 22.Qe4 Be4 23.Ka1=) 22.d3 Rb2 23.Kb2 c4–+; B) 20.Bb5 ab5 21.Rb2–+) 19.Bf3?? (19.d3 Na1 20.Nd6 (20.Ra1 Bb2 21.Nd6 Ba1 22.Nf5 Rb1 23.Kd2 Rh1–+) 20...Qd6 21.Qd6 Bd6 22.Kd2 Nb3 23.Kc2–+) 19...Qe6 (19...Rb2?! 20.Rb2 Bb2 21.Nd6 Ne3 22.fe3=; 19...Bb2 20.Nd6 Na3 21.Ne8 Bc2 22.Ke1–+) 0–1. marekt – the_great_omni, gameknot.com, 2015.

6.ba6 A) 6...Ra6 A1) 7.cd5 Rb6 8.Qc2 Nd5 9.Nc3 Nb4 10.Qb1 0–0 11.Nf3 g6; A2) 7.Nc3 d4 (7...Rb6 8.Na4 Rb4 9.a3 Rc4 10.Nf3 Nc6 11.Bc4 dc4) 8.Nd5 Nc6 9.Nf3 Ba3 10.Rb1 0–0 11.Ba3 Ra3; A3) 7.c5 Bc5 (7...Be7 8.Nf3 e4 9.Ba6 Na6 10.Ne5 Nc5 11.0–0 Qd6) 8.Ba6 Na6 9.Be5 Nb4 10.d4 Bf5 11.dc5 Nd3; B) 6...dc4 7.Nf3 (7.Bc4 Na6 8.Nf3 e4 9.Ng5 0–0 10.Nc3 Nc5 11.Qc2 Bf5; 7.ab7 Bb7 8.Nf3 e4 9.Ne5 Be5 10.Be5 Nc6 11.Bb2 0–0) 7...e4 (7...Na6 8.Ne5 0–0 9.Bc4 Be6 10.Qe2 Nb4 11.0–0 Nc2) 8.ab7 Bb7 9.Ne5 Be5 10.Be5 Nbd7 11.Bf4 Nd5; C) 6...0–0 7.ab7 Bb7 8.cd5 Nbd7 9.Nc3 e4 10.f3 Nc5 11.fe4 Nce4; D) 6...Na6 D1) 7.cd5 0–0 (7...Nb4 8.Nc3 Bf5 9.Rc1 0–0 10.Qb3 Bd3 11.Nf3 Qe8) 8.Nc3 Bf5 9.Nf3 Nb4 10.Rc1 Nd3 11.Bd3 Bd3; D2) 7.Nf3 e4 (7...Bf5 8.a3 0–0 9.Nc3 Nc5 10.Nd5 Nd5 11.cd5 f6) 8.Nd4 0–0 9.Nc3 dc4 10.Bc4 c5 11.Ndb5 Be5; D3) 7.Nc3 0–0 (7...d4 8.Nb5 0–0 9.Nf3 Re8 10.Be2 Nc5 11.ed4 ed4) 8.cd5 Bf5 9.Nf3 Nb4 10.Rc1 Nd3 11.Bd3 Bd3.

6.Nc3 A) 6...ab5 A1) 7.Nb5 Nc6 (7...0–0 8.cd5 Nd5 9.Qb3 Be6 10.Bc4 Be7 11.Nf3 Nc6) 8.Nf3 0–0 9.cd5 Nd5 10.Bd3 Be6 11.Nd6 Qd6; A2) 7.Nd5 0–0 (7...Be6 8.Nf6 Qf6 9.cb5 Nd7 10.Qh5 0–0 11.Nf3 Ba2) 8.Nf6 Qf6 9.cb5 Be6 10.Qh5 Nd7 11.Nf3 Ba2; B) 6...0–0 B1) 7.Nd5 ab5 (7...Nbd7 8.a4 Nd5 9.cd5 ab5 10.ab5 Ra1 11.Qa1 Re8) 8.Nf6 Qf6 9.cb5 Nd7 10.Nf3 Qg6 11.h4 e4; B2) 7.Nf3 d4 (7...ab5 8.Nd5 bc4 9.Bc4 Nc6 10.0–0 Bf5 11.Qe2 Ra5) 8.ed4 ed4 9.Nd4 Bf4 10.Nce2 Re8 11.f3 ab5; B3) 7.cd5 ab5 (7...e4 8.Qc2 Re8 9.Nh3 Be5 10.d4 ed3 11.Bd3 ab5) 8.Bb5 Bd7 9.Bc4 Na6 10.Nge2 Nb4 11.a3 b5; C) 6...dc4 C1) 7.Nf3 ab5 (7...0–0 8.Bc4 ab5 9.Nb5 Nc6 10.0–0 Bg4 11.Qc2 Bf3) 8.Nb5 Nc6 9.Bc4 0–0 10.0–0 Bg4 11.Qc2 Bf3; C2) 7.Bc4 ab5 (7...0–0 8.Nf3 ab5 9.Nb5 Nc6 10.0–0 Bg4 11.Qc2 Bf3) 8.Nb5 Nc6 9.Nf3 0–0 10.0–0 Bg4 11.h3 Bh5; D) 6...d4 D1) 7.Nd5 0–0 (7...ab5 8.ed4 bc4 9.Bc4 0–0 10.Qf3 Nc6 11.Nf6 Qf6) 8.Nf6 Qf6 9.Nf3 ab5 10.cb5 Nd7 11.Be2 Qg6; D2) 7.Na4 ab5 (7...de3 8.fe3 ab5 9.cb5 Nbd7 10.Nf3 0–0 11.Be2 e4) 8.cb5 c5 9.Qc2 Nbd7 10.b6 0–0 11.Qb3 Ne4; D3) 7.ed4 ed4 8.Qe2 Be6 9.Ne4 ab5 10.Nf3 0–0 11.Nf6 Qf6.

6.cd5 0–0 A) 7.Nf3 ab5 (7...e4 8.Bf6 Qf6 9.Nd4 Be5 10.Nc3 Bd4 11.ed4 Qd4) 8.Nc3 b4 9.Nb5 e4 10.Ng5 Re8 11.d3 Bf5; B) 7.Nc3 ab5 (7...e4 8.Qc2 Re8 9.Nh3 Be5 10.d4 ed3 11.Bd3 ab5) 8.Bb5 Bd7 9.Bc4 Na6 10.Nge2 Nb4 11.a3 b5.

6.cd5 ab5 A) 7.Nf3 Nd5 (7...b4 8.Ne5 0–0 9.Qf3 Re8 10.Nc4 Bg4 11.Bf6 Qc8) 8.Bb5 c6 9.Bc4 Nd7 10.Bd5 cd5 11.Nc3 Ra5; B) 7.Bb5 c6 (7...Bd7 8.Nc3 0–0 9.a4 Na6 10.Nf3 e4 11.Nd4 Nb4) 8.dc6 Nc6 9.Nc3 0–0 10.Nge2 Be6 11.0–0 Qb6.

6.cd5 Nd5 7.Nc3 (7.Qb3 Nb4 (7...Nf6 8.Nf3 0–0 9.Be5 ab5 10.Bb5 Nc6 11.Bc6 bc6) 8.Bc3 Be6 9.Qb2 Nd5 10.Nf3 Nd7 11.Be5 Ne5; 7.Nf3 ab5 (7...0–0 8.Qb3 Nb4 9.a3 Be6 10.Qa4 Nd5 11.Nc3 Nd7) 8.Bb5 c6 9.Bc4 Nd7 10.Bd5 cd5 11.Nc3 Ra5) 7...Nc3 (7...Nf6 8.Nf3 0–0 9.Bd3 ab5 10.Nb5 Nc6 11.0–0 h6) 8.Bc3 ab5 (8...0–0 9.Qh5 ab5 10.Nf3 b4 11.Be5 g6) 9.Bb5 c6 (9...Nd7 10.h4 c6 11.Be2 h6) 10.Be2 0–0 (10...Nd7 11.Qc2 Nc5) 11.Qc2 Re8 12.Nf3 (12.Bd3 g6+=) 12...e4 13.Nd4 Qg5 14.g3 Bh3 (14...Na6 15.f3 Nb4 16.Bb4 Bb4 17.0–0–/+) 15.f4 ef3 (15...Qe7 16.a4–/+) 16.Nf3 Qh6 17.Kf2 Nd7 18.Rhb1 Nf6 19.Kg1 Ng4 (19...Nd5 20.Qd3–/+) 20.Qd3 (20.Qc1 b5+=) 20...Nh2 (20...Ne3!? 21.de3 Qe3 22.Qe3 Re3–/+) 21.Nh2+= Bg3 22.Nf3 Rad8 23.Bd4 Bg4 24.e4 Bf3 25.Qf3 Qh2 (25...Bh2 26.Kg2 Rd4 27.Rb7 Rde4 28.Qf7 Kh8 29.Bh5 Qd2 30.Kh3 Qe3 31.Qf3–+) 26.Kf1 Rd4 (26...Rd4 27.Rb7 f5–+) 0–1. marre (2180) – KERCH (2650), Rated game, 5m + 0s, 2010.

6.cd5 Bg4 A) 7.Qb3 Nbd7 (7...ab5 8.h3 Bd7 9.Bb5 Na6 10.Nf3 Nc5 11.Bd7 Qd7) 8.Nc3 0–0 9.Nf3 ab5 10.Bb5 e4 11.Nd4 Nc5; B) 7.f3 Bd7 8.Nc3 ab5 9.Nb5 0–0 10.Nd6 cd6 11.e4 Ba4; C) 7.Nf3 ab5 (7...e4 8.h3 Bd7 9.Nd4 Nd5 10.Qc2 Qe7 11.Nc3 Nc3) 8.Bb5 c6 9.dc6 Nc6 10.h3 Bd7 11.Nc3 0–0.

6.Nf3 A) 6...dc4 A1) 7.Bc4 ab5 (7...0–0 8.Nc3 ab5 9.Nb5 Nc6 10.0–0 Bg4 11.h3 Bh5) 8.Bb5 c6 9.Be2 Nbd7 10.Nc3 e4 11.Nd4 0–0; A2) 7.ba6 e4 (7...Na6 8.Ne5 0–0 9.Bc4 Be6 10.Qe2 Nd5 11.0–0 Nab4) 8.ab7 Bb7 9.Ne5 Be5 10.Be5 Nbd7 11.Bf4 Nd5; A3) 7.Nc3 Bg4 (7...0–0 8.Bc4 ab5 9.Nb5 Nc6 10.0–0 Bg4 11.h3 Bh5) 8.h3 Bf5 9.Bc4 0–0 10.g4 Bg6 11.g5 Ne4; B) 6...e4 7.Nd4 dc4 (7...ab5 8.Nb5 Nc6 9.Bf6 Qf6 10.N1c3 Bf5 11.Nd5 Qd8) 8.Bc4 0–0 9.Nc3 Be5 10.a4 Bd4 11.ed4 ab5; C) 6...0–0 C1) 7.Be5 Be5 (7...ab5 8.Bf6 Qf6 9.Nc3 bc4 10.Nd5 Qg6 11.Bc4 Nc6) 8.Ne5 ab5 9.cb5 Qd6 10.d4 Nbd7 11.Nd3 Ne4; C2) 7.Nc3 d4 8.ed4 ed4 9.Nd4 Re8 10.Be2 Bf4 11.Nf3 ab5; C3) 7.cd5 ab5 (7...e4 8.Bf6 Qf6 9.Nd4 Be5 10.Nc3 Bd4 11.ed4 Qd4) 8.Nc3 b4 9.Nb5 e4 10.Ng5 Re8 11.d3 Bf5; D) 6...ab5 7.cd5 (7.c5 Bc5 8.Ne5 0–0 9.d4 Bb4 10.Nc3 c6 11.Bd3 Nbd7) 7...Nd5 (7...0–0 8.Nc3 b4 9.Nb5 e4 10.Ng5 Bf5 11.d3 Re8) 8.Bb5 c6 9.Bc4 Nd7 10.Bd5 cd5 11.Nc3 Ra5.

5.c4 b6

6.c5 bc5 7.f4 (7.Nf3 e4 8.Ne5 0–0–/+) 7...ef4–+ 8.Nf3 (8.ef4 0–0–+) 8...fe3 9.Bd3 ed2 10.Nbd2 Qe7 11.Qe2 Qe2 12.Be2 0–0 13.Bf6 gf6 14.Rc1 a6 15.ba6 Na6 16.a3 Re8 17.Kd1 Bd7 18.Nb1 (18.Ne1–+) 18...Ba4 19.Ke1 Bf4 20.Rd1 Bd1 21.Kd1 c4 22.Rf1 Be5 23.Nfd2 (23.g3 Rab8 24.Kc1 Bb2 25.Kd1 Nc5–+) 23...Rab8 24.Rf3 Nc5 25.g3 (25.Nc3 Rb2 26.Bf1 Nb3 27.Nb3 cb3–+) 25...Na4 26.Kc1 Bd4 27.Bd1 (27.Kd1 c5 28.h4 Rb2–+) 27...Re1 28.Rf4 (28.h4–+) 28...Be3 29.Rg4 Kf8 30.Nc3 Nc3 (30...Nc3 31.Rc4 Rd1 32.Kc2 dc4 33.Nc4 Rc1 34.Kd3 Bh6–+) 0–1. Pierred (2100) – Spitfire69 (2525), Rated game, 2005.

6.cd5 a6 7.Nc3 0–0 8.Nf3 e4 9.Ng5 Bf5 10.Qa4 Be5 11.Bc4 (11.ba6 Bc3 (worse is 11...Nd5 12.Nge4 Na6 13.Ba6 Be4 14.Qe4 Bc3 15.dc3 Ra6 16.Rd1+/–) 12.Bc3 h6+=) 11...Nbd7 (11...h6!? 12.d4 ed3+=) 12.ba6= Nc5 13.Qc2 Bc3 14.Qc3 h6 (14...Na4 15.Qe5 Nb2 16.Qb2 Nd5=) 15.Nh3 (15.Qe5 Qd7 16.Nh3 b5=) 15...Na4+= 16.Qc2 Nb2 17.Qb2 Nd5 18.Rc1 Bh3 19.gh3 Nf6 20.Qb5 Qd6 21.d4 ed3 22.Bd3 Rfd8 23.Rd1 Qe6 24.Qc4 Qh3 (24...Qe5!?=) 25.Qc7+= Qg2 26.Rf1 Rac8 27.Qg3 (27.Qb6? Rd3 28.Qb1 Rd1 29.Qd1 Qh2–+) 27...Qc6 28.Rg1 Ne8 29.Qe5 Qa4 30.Qe4 Qa5 31.Ke2 Kf8 32.Rd2 Qh5 33.Qf3 Qh2 34.Rb1 Qd6 35.Qe4 Nf6 36.Qb4 Nd5 37.Qd6 Rd6 38.Ke1 Ne7 39.Be4 Rd2 40.Kd2 Rd8 41.Ke2 Nc8 42.Rc1 Na7 43.Rc7 Nb5 44.Rb7 Ra8 45.Bc6 Ra6 (45...Nc3 46.Kd2 Na2 47.Rb6 Rd8 48.Kc2 Rc8+–) 46.Bb5 Ra2 47.Kf3 Rc2 48.Rb6 Rb2 49.Rb8 Ke7 50.Rb7 Kf6 51.Kg3 g5 52.f4 Rb3 53.Rf7 Kg6 54.f5 Kf7 55.Bc4 Kf6 56.Bb3 Kf5 57.Bc2 Kf6 58.Kg4 Ke6 59.Be4 Ke5 60.Bh1 Kf6 61.Kh5 Kg7 62.e4 Kh7 63.Bf3 Kg7 64.e5 Kh7 (64...Kf7 65.Bg4 (65.Kh6?! Ke6=) 65...Kg7 66.e6+–) 65.e6 (65.Be4!? Kg7+–) 65...Kg7 66.Bg4 Kf8 (66...Kf6 67.Kh6 Ke7 68.Kg7+–) 67.Kh6 Ke8 68.Kg5 Ke7 69.Bf5 Kf8 70.Kf6 Ke8 71.Bg6 Kd8 72.e7 1–0. Taulien,Hans_Juergen – Henrich,Guenter, remoteschach.de, 2001.

6.cd5= Nd5 7.Bc4 Nf6 8.Qb3 0–0 9.Nf3 Ne4 (9...e4!? 10.Ng5 Qe7=) 10.Bd5 (10.Ne5 Qf6 11.Nf7 Qf2 12.Kd1 Qg2+/–) 10...Nc5+= 11.Qc2 Re8?? Black prepares e4 (better is 11...Nb7+=) 12.Ba8+– e4 13.Be4 (13.Nd4 Nd3 14.Ke2 Nb2 15.Qb2 Be5+–) 13...Ne4 14.Nc3 (14.0–0 Bg4 15.Nd4 Nc5+–) 14...Bf5 (14...Nf6 15.0–0+–) 15.Ne4 Be4 16.Qc3 (16.d3 Bd5+–) 16...f6 (16...Bf8 17.Qd4+–) 17.Ng5 Threatening mate... how? 17...Bd5 (17...Be5 18.d4 fg5 19.de5 Bg2+–) 18.Nf3?? (better is 18.Qd3!? fg5 19.Qd5 Kf8+–) 18...Qc8?? (18...Be4 19.d3 Bb7+–) 19.h4 (19.0–0!? Qg4 20.h3 Qg6+–) 19...Qg4 20.Ke2 (better is 20.Qd4!? Be4 21.Qc4 Kf8 22.Qf1+/–) 20...Qg2 Threatening mate: Bxf3 21.Nd4 Qg4 22.f3 Qg2 23.Kd3 Qg6 24.Ke2 Qg2 25.Kd3 Nd7 26.Rhg1 Ne5 27.Kc2 Be4?? 28.fe4+– Qe4 29.Kd1 Qh4 30.Rg7! Kf8 31.Rg1 Qh5 32.Kc2 c5 33.bc6 Bc5 34.Ba3 Qf7 35.Bc5 bc5 36.Qc5 Qe7 37.Qe7 Re7 38.Kd1 Rc7 39.Ne6 Ke7 40.Nc7 Nc6 41.Nb5 a6 42.Nc3 Nb4 43.Rg7 Ke6 44.Rh7 Nd3 45.Rb1 Nf2 46.Ke2 Ng4 47.Rb6 Kf5 48.Ra6 Kg6 49.Rb7 Nh6 50.a4 Ng4 51.a5 Ne5 52.Nd5 Ng4 53.Rf6! Nf6 54.Nf6 Kf6 55.a6 1–0. Labitte,Alain – Thomas,Alice, Bethune–D, 2001.

5.c4 dc4

6.Bc4 Nbd7 7.d4 A) 7...Nb6 8.Bb3 e4 9.Ne2 a6 10.Nbc3=+; B) 7...e4 8.Nc3 Nb6 9.Bb3 0–0 10.Nge2=+; C) 7...0–0 8.Ne2 Nb6 9.Bb3 e4 10.Nbc3=+.

6.Bc4 Bg4 7.Qc2 Nbd7 8.Ne2 Nb6 9.Bb3 Rc8 10.Nbc3 0–0 11.Ng3 c5 12.a4 c4 13.Ba2 Nbd5 14.Nd5 Nd5 15.Qe4 (15.Bb1!? Qh4 16.Nf5 Bf5 17.Qf5=) 15...Nf6+= 16.Qc2 (16.Qb7? Rc7 17.Qa6 Bb4–+) 16...Be6 17.Bb1 g6 18.Ne4 Ne4 19.Qe4 Re8 20.Qb7 (20.Be5? Bf5 21.Qf3 Be5 22.Bf5 Ba1 23.Bc8 Qc8–+) 20...Bb4 21.Bc3 Bd5 22.Qa7 Ra8 23.Qa8 Qa8 24.Bb4 Bg2 25.Rg1 f5 (25...Bf3 26.Bc3=) 26.a5 (26.d3 cd3 27.Bd3 Qd5+=) 26...f4 (26...Rb8 27.Ba2 Bd5 28.b6+=) 27.b6+/– Be4 (better is 27...Bf3!?+/–) 28.Be4+– Qe4 (28...Qe4 29.a6 fe3 30.fe3 Qh4 31.Kd1 Qh2+/–). Otte,Marco – Hofstra,Hotze, Ext.Wag3vsBennekom2, 1998.

6.Bc4 0–0

7.Qb3 Nbd7 8.d4=+ ed4 9.Bd4 Ne5 10.Nd2 Qe7 11.Ngf3=+ Bg4 12.Be2 c5 (12...Nf3 13.Bf3 Bf3 14.Nf3 Bb4 15.Kf1=+) ½–½. Neuwald,Volker (1780) – Drews,Ruediger (1955), Baden–ch HT4, 1994.

7.Qb3 Nbd7–/+ 8.d4 Qe7 9.Nf3 Bb4 10.Ke2 ed4 11.Bd4=+ Bd6 12.Nbd2 Ne5 13.Ne5 Be5 14.Be5 Qe5 15.h3 b6 16.Nf3= Qc5 17.Rac1+= Qh5 18.g4 Ng4 19.hg4 Qg4 20.Bd5 Be6 21.Rc7 Rad8 22.Bc4 Rd6 23.Rg1 Qf5 24.Be6 Re6 25.Rg5 Qf6 26.Qc3 Qc3 27.Rc3 h6 28.Re5 Rd6 29.Rc7 Ra8 30.Ree7 a6 31.ba6 Ra6 32.Ra7 b5 33.Rf7 Ra2 34.Ra2 Kf7 35.Ra7 Kf6 36.Nd2 h5?? 37.Ne4 Kg6 38.Nd6 (38...h4 39.Nb5+–) 1–0. Labitte,Alain – Crepin,Jimmy, Bethune–D, 2001.

7.Qb3 Bf5 8.d4 ed4 9.Bd4 Nbd7 10.Nd2 Nc5 11.Qb2 Na4 12.Qb3 Nc5 13.Qb2 Nd3 14.Bd3 Bd3 15.Bf6 Qf6 16.Qf6 gf6 17.a4 Bb4 18.Rc1 Ba5 19.Ne2 Rad8 20.Nd4+= Kg7 21.N4b3 Bb4= 22.Rc7 Rc8 23.Rb7 Rc2 24.Rd7+/– Bf5 25.Rd4 Bd2? 26.Rd2+– Rc3 27.Nd4 Bg6 28.Ke2 Ra3 29.h4 h5 30.Rhd1 Ra4 31.Rc1 Rb8 32.Rb2 f5 33.Kf3 Kf6 34.Kf4 Rb7 35.g3 Kg7 36.Rc6 Rb6 37.f3 Bh7 38.Rb1 Bg8 39.Ke5 f6 40.Kf4 Bd5 41.Rc5 Ba8 42.Kf5 Rd4 43.ed4 Bf3 44.Kf4 Ba8 45.Rh5 Kg6 46.g4 Bb7 47.Rc5 a6 48.h5 Kh6 49.d5 (49...Ba8 50.Rd1+–; 49.Rc7 ab5 50.Re1 Rc6 51.Rb7 Rd6 52.Kf5 Rd5 53.Re5 Rd6 54.Re8 Rd5 55.Kf6 Rd6 56.Kf5 Rd5 57.Re5 Re5 58.de5 b4 59.g5 Kh5 60.Rh7) 1–0. pierred – eduardo562001, Yahoo, 2005.

7.Nc3 a6 8.d4 ed4 9.Qd4 ab5 10.Bb5 =+.

7.Nc3 Nbd7 8.Nge2 Nb6 9.Bb3 a6 10.d4 =+.

7.Nc3 Bg4 8.Nge2 Nbd7 9.d4 Nb6 10.Bb3 =+.

7.d4 ed4 8.Qd4 a6 9.Nf3 ab5 10.Bb5 =+.

7.d4 ed4 8.Bd4 c5 9.Bb2 a6 10.Nc3 =+.

7.d4 ed4 8.Bd4 Be6 9.Be6 fe6 =+.

7.d4 Nbd7 8.Ne2 Nb6 9.Bb3 e4 10.Nbc3 =+.

7.d4 e4 8.Nc3 c6 9.Qc2 Qa5 10.a4 =+.

7.Ne2 c6 =+.

7.Ne2 Ng4 8.0–0 Nh2–+ 9.Kh2 Qh4 10.Kg1 Qc4 11.a4 Qh4 12.d3 Bg4 13.Nd2?? e4! 14.g3 Qh5 15.Re1 ed3 (16.f3 de2 17.Qe2 Bf5–+) 0–1. Zaichenko,Andrey – Dats,Dmitry (1685), FICGS, 2008.

7.Nf3 e4 8.Ng5 Bf5 9.Qc2 h6 10.Nf3 Bh7 11.Nd4 Nbd7 12.a4 Ne5 13.0–0 Nfg4 14.h3 Qg5 15.Be2 Nf3 16.Bf3 Qe5 17.g3 ef3 18.Nf5 Qf5 19.Qf5 Bf5 20.hg4 Bg4 21.Nc3 Rfd8 22.Ne4 Bb4 23.d4 Bf5 24.Nc5 Bc5 25.dc5 Rd5 26.Rfc1 a6 27.c6 bc6 28.ba6 Ra6 29.Rc4 Bd3 30.Rd4 f6 31.Ra3 Be2 32.Bc3 Kf7 33.a5 Ke6 34.Re4 Kd6 35.Ra1 c5 36.Re8 Kc6 37.Rb1 Bd3 38.Rb2 Rh5 39.Re6 Kd5 40.Ra6 Ba6 41.Rb1 Bc8 42.e4? Ke4–+ 43.Re1 Kd3 44.Re3 Kc2 45.Ba1 Rd5 46.Rc3 Kb1 47.Ra3 Rd1 48.Kh2 Rf1 49.g4 Rf2 50.Kg3 Ra2 51.Ra2 Ka2 52.Bc3 Kb3 (53.Bd2 Bb7–+) 0–1. Myrberg,Johnny – Woelfelschneider,Peter, email 4AMM–F, 1998.

7.Nf3 Bg4 8.h3 Bf3 9.Qf3 c6 10.0–0 Qe7 11.e4 cb5=+ 12.Bb5 a6 13.Bc4 Nc6 14.a3 Rac8 15.d3 b5 16.Bb3 Nd4 17.Qd1 Nb3 18.Qb3 Rc7 19.Nd2 Rfc8 20.Nf3 h6 21.Rfe1 Rc2 22.Rac1 Rc1 23.Bc1 b4 24.a4 a5 25.Nh4 Rc3 26.Qd1 Qe6 27.Qf3 Bc5 28.Qg3?? Ne4!–+ 29.Re4 Rc1 30.Kh2 b3 31.Re2 Ba3 32.d4 b2 33.Re5 Qd7 34.Nf5 Bf8 35.Nh6 Kh7 36.Rh5 gh6 37.Qd3 Kh8 38.d5 b1Q 39.Qd4 Kg8 (40.Re5 Rh1 41.Kg3 Qg6 42.Kf4 Qg2–+) 0–1. tschulz – Wormatia08, grosses Mannschaftsturnier, 2005.

6.Bc4 a6

7.a4 0–0 8.Qc2 Nc6?? 9.bc6+– bc6 10.Nc3 g6 11.Nge2 Bb7 12.0–0 c5 13.f4 e4 14.Ng3 Qe7 15.Nd1 h5 16.Qc3 Kg7 17.Nf2 Bc8 18.Nfe4 1–0. Giache,Gianluca – Aannevik,Bjarne, corr ICCF WSTT/3/06/1, 2006.

7.a4 ab5 8.ab5 Ra1 9.Ba1=+ Nbd7 10.Nf3 =+.

7.a4 Nbd7 8.Nf3 Nb6 9.Bb3 e4 10.Ng5 0–0 11.Nc3 Qe7 12.Qc2 Bf5 13.f3 Nfd5 14.Nge4 Nb4 15.Qb1 Qh4 16.Ke2 Nd7 17.Qe1 Qh6 18.g4 Be6= 19.Be6 Qe6 20.Qb1 Ne5 21.Nd6 cd6 22.Qe4 Nbd3 23.Ba3 Nc5 24.Qd5 Qe7 25.d4 Ng6 26.Kd2 Rfd8 27.h4 ab5 28.ab5 Qe8 29.h5 Ne7 30.Qc4 Nd7 31.h6 g6 32.Qd3 Nc5? 33.Qc2 Nd7 34.Bd6 Nf6 35.Ra8+– Ra8 36.g5 Nf5 37.Bf4 Nd7 38.Nd5 Rc8 39.Qb2 Ne7 40.Ne7 (40...Qe7 41.Rc1 Rc1 42.Qc1+–) 1–0. Van Rooijen,Peter – Hort,Wolfgang, WCCF, 2003.

7.Qa4 A) 7...Nfd7 8.Qc2 ab5 9.Bb5 c6 10.Be2=+; B) 7...0–0 8.d4 Nbd7 9.Be2 ed4 10.Bd4=+.

7.ba6 Na6 8.d4 e4 9.Ne2 c6 10.0–0 =+.

7.ba6 Na6 8.Ne2 Ng4 9.e4 c6 10.0–0 =+.

7.ba6 Na6 8.Nf3 Qe7 9.d3 0–0 10.Nbd2 b5 11.Bb5= Rb8 12.a4 c6 13.Ba6 Ba6 14.Qc2 Nd5 15.0–0 Nb4=+ 16.Qc3 Nd3 17.Ba3 Ba3 18.Ra3 c5 19.Rd1 e4 20.Ne1 Rfd8 21.Raa1 Ne1 22.Re1 Rd5 23.Reb1 Rbd8 24.Nf1 Bd3 25.Rb2 Qe6 26.a5 c4 27.Rb6 R5d6 28.Rd6 Rd6 29.Ng3 Ra6 30.Nh5 Qg4 31.Qe5 h6 32.Nf4 Qd7 33.h3 f6 34.Qc5 Kh7 35.Ra3 f5 36.Qe5 Qc8 37.h4 Qf8 38.h5 Qc8 39.Kh2 Bc2 40.Kg3 Qf8 41.Ra2 Bb3 42.Rd2 Ra7 43.Ne6 Qf6 44.Qb8 1–0. Taulien,Hans_Juergen – Schulz,Hans_Juergen, RSS7E–13 remoteschach.de, 2003.

7.Nc3 A) 7...c6 8.a4 ab5 9.ab5 Bg4 10.Nge2=; B) 7...0–0 8.Nge2 c6 9.a4 Bg4 10.0–0=+.

7.d4 ab5 8.Bb5 c6 9.Be2!? Nbd7 10.Nd2 =+.

7.d4 ab5 8.Bb5 c6=+ 9.Be2 e4 10.Nc3 =+.

7.d4 ab5 8.Bb5 c6 9.de5 Bb4–+ 10.Bc3 Qd1 11.Kd1 Ne4 12.Bb4=+ Nf2 13.Ke2 Nh1 14.Bd3 Be6 15.Nf3 Ra2 16.Ra2 Ba2 17.Nbd2 Nd7 18.Ne4 b5 19.Nd6 Kd8 20.Bc3 Kc7 21.Ba5 Nb6 22.Be4 f6 23.Bb6 Kb6 24.Nd4 fe5 25.Nc6 Bb1 26.Bf3 Ra8 27.Ne5 Ra2 28.Ke1 b4 29.g4? Rh2 30.Ndc4 Kc5 31.Nd2 Bc2 32.g5 Ng3 33.Ng4 Rh5 34.g6 hg6 35.Bb7 b3 36.Nb3 Bb3 37.Bg2 Bd5 38.e4 Ne4 39.Be4 Be4 40.Nf2 Bf3 41.Nd3 Kd4 42.Kf2 Kd3 43.Kg3 Ke2 44.Kf4 Rf5 45.Kg3 Ke3 46.Kh3 Kf2 47.Kh4 Rh5# 0–1. Pierred (2150) – Marckox (2430), internet, 2005.

7.d4 ed4 8.Bd4 ab5 9.Bb5 c6 10.Bd3 =+.

7.d4 e4 8.Nc3 ab5 9.Nb5 Bb4 10.Nc3 =+.

6.Bc4 c6

7.Qa4 A) 7...Nfd7 8.Qc2 cb5 9.Bb5 a6 10.Bc4=+; B) 7...0–0 8.d4 cb5 9.Bb5 Nbd7 10.de5=+; C) 7...Bd7 8.Nf3 cb5 9.Bb5 Nc6 10.Qb3=+.

7.Qb3 0–0 8.a4 Nbd7 9.bc6 bc6 10.Qc2 –/+.

7.Nc3 a6 8.a4 ab5 9.ab5 Bg4 10.Nge2 =.

7.d3 A) 7...a6 8.ba6 Na6 9.Nf3 b5 10.Bb3=+; B) 7...0–0 8.a4 Bg4 9.Nf3 a6 10.Nbd2=+; C) 7...cb5 8.Bb5 Bd7 9.Qb3 Na6 10.Ba6=+.

7.d4 e4 8.Qb3 0–0 9.Nc3 a6 10.a4 =+.

7.Ne2 A) 7...cb5 8.Bb5 Bd7 9.Nbc3 0–0 10.0–0=+; B) 7...a6 8.a4 0–0 9.Nbc3 Bg4 10.0–0=+; C) 7...0–0 8.a4 Nbd7 9.d4 cb5 10.ab5=+.

7.Nf3 A) 7...e4 8.Ng5 0–0 9.Nc3 Bf5 10.Qc2=; B) 7...cb5 8.Bb5 Bd7 9.Qb3 Nc6 10.0–0=+.

5.c4 c5

6.cd5 Nd5 7.Bc4 Nb6 8.Bb3 Bf5 9.d3 0–0 10.e4 Bg6 11.h4 h5 12.g4= c4 13.gh5 Be4 14.de4+= cb3 15.ab3 Bb4 16.Bc3 Qd1 17.Kd1 Rd8 18.Ke2 Bc3 19.Nc3 N8d7 20.Nf3 Rac8 21.Rhc1 Nc5 22.Nd5 Nd5 23.ed5 f6 24.b4 Ne4+/– 25.Rc8 Rc8 26.Ra7 Nd6 27.Nd2 Rc3 28.f3 f5 29.b6 Kf7 30.Ra5 e4 31.Rc5 Ra3? 32.fe4+– fe4 33.Rc7 Kf6 34.Rd7 Nf5 35.Ne4 Ke5 36.Nd2?? Nd4+/– 37.Kf2 Ra2 38.Rb7 Nb3?? 39.Re7+– Kd5 40.b7 Rd2 41.Kg3 (41...Rd3 42.Kg2 Rd2 43.Kf1 Rd1 44.Re1 Nd2 45.Ke2 Re1 46.Ke1 Nf3 47.Kf2 Nh4 48.b8Q+–) 1–0. Sluka,Radek (2380) – Ramik,Zdenek (2280), Moravia–chT, 1999.

6.cd5 Nd5 7.Be2 0–0 8.Nf3 e4–/+ 9.Ne5 Be5 10.Be5=+ Qg5 11.Bg3 Qf6 12.Na3 Bf5 13.0–0= Qg6 14.f3 Nd7 15.Nc4 N7b6 16.Ne5 Qe6 17.fe4 Be4 18.Qb3 Qe7 19.a4 Nb4 20.Rf2 Bd5 21.Qc3+= Be6 22.e4 Rad8 23.a5 Nd7 24.Nc4 f6?? 25.Bd6+– Qf7 26.Bf8 Qf8 27.e5 Qe7 28.ef6 Nf6 29.d3 Nbd5 30.Qe5+– Qd7 31.b6 Bg4? 32.Qg3 Be2= 33.Re2 Nb6 34.ab6 Qd4= 35.Qe3 Qa1 36.Re1 Qa4 37.Qe6 Kh8 38.Ne5 Qd4 39.Kh1+– Rf8 40.Nf7 Rf7?? 41.Qf7 ab6 42.Re8! (42...Ne8 43.Qe8#) 1–0. Kreuzer – Pek, tt Verb'Liga, 1981.

6.cd5 Nd5 7.Nf3 Qe7 8.d3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 0–0 12.Be2 Nd7 13.0–0 Nc7 14.d4 e4 15.Nfd2= Nb6 16.Nc4 Nc4 17.Bc4 Bd7 18.dc5= Bc5 19.Nc3 Bf5 20.Qb3 Bd6 21.Ne2 Ra8 22.Bb2 Ne6 23.Nd4 Nd4 24.Bd4 Ra3 25.Qb2 Qg5 26.g3 Bh3= 27.Rc1 Ra8 28.Be2 Ba3 29.Qa1 Qd8= 30.Rd1 Qc8 31.Qb1 Qe6 32.Rd2 Bf8 33.Rc2 Rd8 34.Bf1 Bf5 35.Bg2?? Qg6?? 36.Rc7+= Rd4 37.ed4+– e3 38.Qe1 Qb6 39.Rb7 Qd4 40.fe3 Qe5 41.Kf2 h5 42.Qd2 h4 43.Qd5?? Qb2+/– 44.Kg1 Be6?? 45.Qd1 h3 46.Bf3 Bg4 47.Rb8 Bf3?? 48.Qf3 Qc1 49.Kf2 Qb2 50.Qe2 Qf6 51.Kg1 g6 52.Rc8 Kg7 53.Rc6 Qa1 54.Qf1 Qb2 55.Rc1 Qd2 56.Re1 Bc5 57.Qe2?? Be3!!–+ (58.Kf1 Qd5 59.Qb2 Bd4 60.Qd4 Qd4–+). Schwichtenberg,Juergen – Reichert,Rudolf, Hessen–ch Seniors, 2000.

5.c4 c6

6.a4 a6 7.Nc3 0–0 8.Nf3 Nbd7 9.Be2 (9.cd5 cd5 10.Be2 e4+=) 9...Nb6 (better is 9...e4 10.Nd4 dc4 11.bc6 Ne5 12.cb7 Bb7+=) 10.a5? (better is 10.cd5 e4 11.Nd4+=) 10...Nc4–+ 11.Bc4 dc4 12.b6 (12.bc6 bc6 13.Qc2 Rb8–+) 12...Re8 13.h3 (13.Qc2 e4 14.Nd4 Qe7–+) 13...Nd5 (13...Bf5 14.0–0–+) 14.0–0 (better is 14.Ne4 Nb4 15.0–0–+) 14...Nb6?? (better is 14...e4 15.Ne1 Nc3 16.Bc3 Qg5–+) 15.ab6+/– Qb6 (15...e4 16.Nd4+=) 16.Qc2 (16.Ne4 Bb8 17.Qc1 Qb5+/–) 16...f5 (16...Qb3!? 17.Qb1 f6+=) 17.Na4+/– Qb5? (17...Qb3!? 18.Qb3 cb3+/–) 18.Rab1 (18.Rfb1 e4 19.Qc3 Bf8+–) 18...Qb3 19.Qb3 cb3 20.Nb6 Rb8 21.Nc4 Rd8?? (21...Bf8 22.Be5 Be6 23.Bb8 Bc4+–) 22.Nd6 Rd6 (22...e4 23.Nc8 Rbc8+–) 23.Be5 Rg6 (23...Rd3 24.Bb8 Be6 25.Rb2+–) 24.Bb8 1–0. Nikolic,Jovane (1710) – Bicalho,Rafael Cury, Championship da Primeira Categoria do E, 2013.

6.a4 Qe7 7.Nc3 Be6 8.Qb3 Nbd7–/+ 9.Be2 0–0 10.Nf3 Rac8 11.d4 ed4 12.Nd4 dc4 13.Bc4?? Nc5–+ 14.Qa2 Nd3! 15.Ke2?? Bc4 16.Qc4 Nb2 17.Qb3 Bc5 18.Nc2 Qe6 19.Qb2–/+ Qc4 20.Ke1 Rfd8 21.Na3 Qb4–+ 22.Qc2 Nd5 23.Nab1 Be7 24.Ke2 Qc4 25.Kf3 cb5 26.Qe4 Nc3 27.Nc3 Bf6 28.Nb5 Qe4 29.Ke4 Ba1 30.Ra1 a6 31.Nd4 g6 32.Rb1 Rc7 33.Rb6 Re8 34.Kf3 Ree7 35.Nb3 Rc4 36.Na5 Ra4 37.Nb7 Re6 38.Nc5? Rb6–+ 39.Na4 Rb4 40.Nc5 Rb6?? 41.Ke4?? Kg7 42.Kd4 f6 43.Kc4 Kf7 44.Na4 Rc6 45.Kb3 Ke6 46.Nc3 f5 47.Ne2 Kd5 48.Nd4 Rc1 49.Ne2 Rf1 50.f3 Re1 51.Nc3 Ke5 52.e4 fe4 53.fe4 Re3 54.Kc2 Rc3 (55.Kc3 Ke4–+; better is 54...Kd4 55.Na2 Re2 56.Kb3 Rg2–+ (< 56...Re4 57.Nc1–+)) 0–1. Neuwald,Volker – Reuter,Peter Ludwig, Baden–ch HT Zell, 1993.

6.Qc2 0–0 7.c5 Bc7 =+.

6.Qc2 0–0 7.d3 Bf5 8.Nf3 Nbd7 9.Be2 Rc8 10.a4 cb5–+ 11.ab5 dc4 12.e4 cd3 13.Qd3 Bb4 14.Nbd2 Be4 15.Qb3 Bf3 16.Bf3?? Bd2 17.Ke2 Nc5 18.Qa3 e4 19.Bf6 ef3 20.Kf3 Qf6 21.Ke2 Rfe8 22.Kf1 Nd3! (23.Qf8 Kf8 24.Ra7 Qf2#) 0–1. Starr,Albert Martin – Penoyer,Flynn (1825), San Francisco TNM Summer op, 2006.

6.Qc2 0–0 7.Nf3 Qc7 8.d4 e4–/+ 9.Ne5 cb5 10.c5 a6 11.Nc3 Be5 12.de5= Qc5?? 13.ef6+/– b4 14.fg7 Re8 15.Rc1 bc3 16.Qc3 Qc3 17.Rc3 Be6 18.Rc7+= b5 19.Bd4 Nd7 20.Kd2 Rec8 21.Rc8 ½–½. Kuhlmann,AEJ – Du Bois,J, Justitie PGEM, 1990.

6.c5 Bc5 7.Be5 Nbd7 8.Bf4 0–0 9.Bd3 Nh5?? 10.Qh5+– Nf6 11.Qh4 Bd6 12.Bg5 h6 13.Bf6 Qf6 14.Qf6 gf6 15.Ne2 Be5 16.Nbc3 c5 17.Rc1 Be6 18.0–0 b6 19.f4 Bd6 20.f5 Be5 21.fe6 fe6 22.Nf4 Kf7 23.Rf3 Rg8 24.Rcf1 Rg5 25.h4 Rg4 26.h5 f5 27.Ng6 Bc3 28.dc3 Rg5 29.Rh3 (29...a6 30.e4+–; better is 29.c4 d4 30.e4 a6 31.ef5 ef5 32.Rf5 Rf5 33.Rf5 Ke6+–) 1–0. Ginger Prince – dugmak, ChessWorld.net, 2004.

6.c5 Bc7 7.b6 ab6–+ 8.cb6 Bd6 9.Qb3 Nbd7 10.Nf3 0–0 11.d4 e4 12.Nfd2 Nb6 13.Nc3 Nbd7 14.Be2 Ne8 15.0–0–0? b5 16.f3 b4 17.Ncb1 ef3 18.gf3 f5 19.e4 Nb6 20.e5 Be7 21.f4 c5 22.dc5 Bc5 23.a3 ba3 24.Na3 Be6 25.Nf3 Qc8 26.Kd2 Rb8 27.Qc2 Bb4 28.Ke3 Nc4?? 29.Nc4–/+ dc4 30.Bd4 Bc5 31.Rb1 Bd4 32.Nd4= Rb1 33.Rb1 Bd5 34.Rb5 Be4?? 35.Qc4+– Qc4 36.Bc4 Kh8 37.Rb8 h6 38.Bb5 g5 39.Re8 Re8 40.Be8 Kg7 41.fg5 hg5 42.Bd7 Kg6 43.Bf5 Bf5 44.Nf5 Kf5 45.Kd4 Ke6 46.h3 Kf5 47.Kd5 Kf4 48.e6 Kg3 49.e7 Kh3 50.e8Q g4 51.Qh5 (51...Kg2 52.Qg4 Kf2 53.Ke4 Ke1 54.Ke3 Kf1 55.Qg5 Ke1 56.Qg1#) 1–0. stejam (2305) – jupiter (2375), net–chess.com, 2007.

6.d4 0–0 7.de5 Bb4 8.Bc3 Bc3 9.Nc3 Bg4? 10.f3+– Qa5 11.Qd2 Nfd7 12.fg4 Ne5 13.cd5 Ng4 14.Be2 Nf6 15.dc6 b6 16.Nf3 Qb4 17.0–0 a6 18.a4 ab5 19.ab5 Ra1 20.Ra1 Ne4 21.Ne4 Qe4 22.c7 Nc6 23.bc6 Qc6 24.Rc1 Qb7 25.Qd7 h6 26.c8Q Qc8 27.Rc8 Rc8 1–0. Mely (2625) – paavo nurmi, ChessWorld.net, 2003.

6.d4 dc4 7.Bc4 ed4 8.Qd4 a6 9.ba6 Na6 10.Nc3 Qe7 11.Nf3 Bg4 (11...b5 12.Bb3=+) 12.Be2 (12.Rd1 Bc7=+) 12...0–0=+ 13.h3 Bf3 14.Bf3 Nb4 15.Qd2 Rfd8 16.Qe2 Be5 17.0–0 Nd3 18.Rad1 Nb2 19.Qb2 Bc3 20.Rd8 Qd8 21.Qc3 Ra2 22.Rb1 Qa8 23.g3 Ra6 24.Kg2 Nd7 25.Qd4 Nf8 26.Qb2 Ra7 27.Qb6 Nd7 28.Qd4 Nf8 ½–½. Woischke,Norbert – Palmkoeck,William, TKM/SF/02, 2001.

6.d4 dc4 7.Bc4 e4 8.Nc3 0–0 9.Nge2 Nbd7 (9...a6!? 10.a4 Bg4=+) 10.bc6= bc6 11.Ng3 Nb6 12.Be2 Re8 13.0–0 Qe7 14.Qc2 h5 15.Rfc1 h4 16.Nf1 Bf5 17.h3 Nfd5 18.Nd2 Qg5 19.Kh1 Qg6 20.a4 Nb4 21.Qd1 a5 22.Ba3 Bf8 23.Bh5 Qe6 24.Be2 Qg6 ½–½. Taulien,Hans_Juergen – Mehlhorn,Uwe, remoteschach.de, 2003.

6.d4 dc4 7.de5 Bb4 8.Nc3 Nd5 –/+.

6.d4 e4 7.a4 dc4 8.Bc4 0–0 9.Nc3 Bg4 10.Qb3 Nbd7 11.a5 a6 12.b6 c5 13.Nge2 cd4 14.ed4 Qe7 15.0–0 Rfe8 16.h3 Be6 17.Be6 Qe6 18.Qe6 Re6 19.Ba3 Ba3 20.Ra3 Rc8 21.f4 ef3 22.gf3 Rce8 23.Kf2 Kf8 24.Rc1 h6 25.Ng3 Rc6 26.Raa1 g6 27.Nge4 Rec8 28.Ne2 Ke7 29.Rc6 Rc6 30.N4c3 Ne8 31.Nd5 Kd8 32.Ne3 Nd6 33.Rc1 Rc1 34.Nc1 Nf8 ½–½. Taulien,Hans_Juergen (2225) – Schludecker,Elke (2110), remoteschach.de, 2005.

6.d4 e4 7.c5 Bc7 =+.

6.d4 e4 7.Nd2 0–0 8.Ne2 Bg4 9.h3 Bh5 10.Qb3 Nbd7 11.g4 Bg6=+ 12.g5 dc4 13.Nc4+= Ne8 14.h4 cb5 15.Nd6 Nd6 16.Ba3 Nb6 17.Ng3+/– h5 18.gh6 gh6 19.Rg1 Kh8 20.Bb5 Rg8 21.Be2 f6 22.Qe6 Nbc4 23.Bc4 Qa5 24.Kf1 Nc4 25.Be7 Nd2 26.Kg2 Kh7 27.Kh1 Qb5? 28.d5+– Qe8? 29.Rad1 Bf7 30.Qf6 Nf3 31.Nf5 Bg6 32.h5! (32...Ng5 33.Nh6 Bh5 34.Ng8 Bf3 35.Qf3 Nf3 36.Nf6 Kh6 37.Ne8 Ng1 38.Rg1 Re8 39.d6+–) 1–0. GodofChess01 – torsten64, mySchach.de, 2003.

6.cd5 cd5 7.Nf3 Bg4 8.Be2 e4 9.Nd4 Be2 10.Qe2 g6 11.f4 Nbd7=+ 12.Nb3 0–0 13.Bd4 a5 14.a4 Rc8 15.Nc3 Nc5=+ 16.Nc1 Re8 17.Qf2 Ne6=+ 18.N1e2 Bc5 19.Bc5 Nc5 20.0–0 Nh5 21.Nd4 Nd3 22.Qe2 Rc4 23.Qg4 Qd6 24.Nf5 Qc5 25.Nh6 Kg7 26.Nf5 Kh8 27.Ng3? Ng3 28.Qg3–/+ d4 29.Ne2 de3 30.de3 Rb4 31.Nd4 Rd4 32.ed4 Qd4 33.Kh1 e3 34.h3 e2 35.Rfe1 Ne1 36.Re1 Re3 37.Qg5 Qd1 38.Qh4 Qa4 39.Qd8 Kg7 40.Qd2 Qe4 41.Kg1 a4 42.Qb2 f6 43.g4?? Rg3 (44.Kh2 Qg2#) 0–1. Thrasher,C – Whitten,J, USA Armed Forces–ch, 1990.

6.Nf3 Qe7 (--> 4.Nf3 Qe7 5.e3 Nf6 6.c4 c6).

6.h3 0–0 7.cd5 Nd5 8.Nc3 =+.

6.h3 cb5 7.cb5 0–0 8.a4 a6 9.Nf3 Qe7 10.Be2=+ Bd7 11.Qb3 ab5 12.Bb5 Bb5 13.ab5 Ra1 14.Ba1 Nbd7 15.0–0 Rc8 16.Bb2 Nb6 17.Ba3=+ Ba3 18.Qa3 Qa3 19.Na3 ½–½. Materna,Edmund – Ried,Heinz, Bahn–chS, 2000.

6.a4 0–0

7.Qc2 Qe7 8.d4 ed4 9.Bd4 c5 10.Bb2 d4–/+ 11.Ra3 Bg4 12.Nf3 Nbd7 13.Nbd2 Rae8 14.Be2=+ Ne5 15.ed4? cd4–+ 16.Rb3 d3! 17.Rd3 Nd3 18.Qd3 Bf5! 19.Qe3 Qe3 20.fe3 Re3 (21.Bd4 Re6–+) 0–1. Iosif,Daniela – Weng,Annegret, Bruchkoebel (Women) playoff, 1993.

7.Bd3 Re8 8.Nc3 Nbd7 9.Bf5? (9.bc6 Nc5 10.Qc2 e4–+) 9...dc4 (9...Nc5 10.Bb1 d4 11.Nce2–+) 10.Qc2?! (10.Bc2–+) 10...Nc5 11.Be4 (11.Bc8 Qc8 12.Kf1–+) 11...Nfe4 (11...Nce4?! 12.Ne4 cb5 13.Nd6 Qd6 14.ab5–+) 12.Ne4 Bf5 13.f3 Be4 14.fe4 Nd3 15.Ke2 Qh4 (better is 15...Qg5 16.g3 Qg4 17.Nf3 Qe4–+) 16.g3 (16.Qc4 Nb2 17.Qc2–+) 16...Qe4 17.Nf3 Nf4! 18.gf4 Qc2 19.Be5 Be5 20.fe5 Rad8 21.Rhd1 (21.Rhc1 Rd2! 22.Nd2 Qd3 23.Kf3 Qd2–+) 21...c3 22.Rac1 Rd2! (22...Rd2 23.Nd2 Qa4 24.Rc3 Qg4 25.Ke1 Qh4 26.Kf1 Qh3 27.Ke1 cb5–+) 0–1. Zampier,Alexandre – Franca,Willian Bento (1985), Maringa BRA, 4th Open, 2014.

7.d4 e4 8.g3 Bg4 9.Be2 Qd7 10.cd5 cd5 11.Ba3 Ba3 12.Ra3 Be2 13.Ne2=+ Qd6 14.Rc3 Nbd7 15.0–0 Rac8 16.Qd2 Qb4?? 17.Rc8+– Rc8 18.Qb4 1–0. Materna,Edmund – Haake,Helmut, Dresden Vdes op, 2000.

7.d4 Ne4 8.c5 Bc7 9.Bd3 –/+.

7.cd5 cd5 8.Nf3 Nbd7 –/+.

7.cd5 cd5 8.Nf3 Re8 9.Be2 (9.a5 Bg4 10.Be2 Bc7 11.Qa4 e4 12.Bf6 Qf6 13.Nd4 Be2 14.Ke2–/+; 9.Qc2 Bg4 10.d4 Bf3 11.gf3 Nbd7 12.Qd2 Rc8 13.a5 ed4 14.Bd4–/+) 9...Bg4 (9...Bf5 10.0–0 Nbd7 11.Nc3 Rc8 12.Rc1 Qa5 13.d4 e4 14.Nd2+=) 10.h3 (10.0–0 Nbd7 11.Ba3 Ba3 12.Ra3 Bf3 13.Bf3 Qb6 14.d4=) 10...Bf5 11.d3 (11.0–0 Nbd7 12.d4 e4 13.Nfd2 Rc8 14.g4+=) 11...Nbd7 12.0–0 Rc8 13.Nbd2 (13.a5 Bb4 14.a6+=) 13...Qe7 (13...Qa5 14.Nb3+=) 14.Re1 (14.a5+=) 14...h6 15.d4 (better is 15.Rc1!?+=) 15...Bc2–+ 16.Qc1 e4 17.Nh2 Bd3 18.Qd1 Rc2 19.Bc1 Rec8 20.Bd3 ed3 21.Nhf3 Ne4 22.Ne4 de4 (22...Qe4?! 23.Rf1+=) 23.Nd2 Nf6 24.Rf1 Qe6 25.Ba3 Ba3 26.Ra3 Nd5 27.Nb1 f5 28.Ra1 Qg6 29.Na3 Ne3! (29...Ne3 30.g3 Nd1 31.Rfd1 Re2–+) 0–1. Trombik,K (2035) – Tymrakiewicz,R (2315), Karvina Open, 2011.

7.Be2 Be6 8.Qc2 Nbd7 9.Nf3 e4 10.Nd4=+ Ne5 11.c5= Bc7 12.f4 ef3 13.Nf3 Neg4 14.Nc3 Re8 15.0–0 Qb8 16.h3 Nh2 17.Nh2 Bh2 18.Kh1 Bg3 19.Bf3 Qc8 20.Ne2 Bf5 21.Qb3 Be5 22.Be5 Re5 23.Kh2 Qc7 24.b6 Qe7 25.Qc3 Nd7 26.a5= a6 27.Rac1 Be4 28.Qd4 Bf3 29.gf3 Rh5 30.Rg1 Ne5= 31.Rg3 Re8 32.Nf4 Rh4 33.Qc3 f6 34.Rcg1 g5 35.d4 Nf7 36.Ng2 Rh6 37.Qd3 Qd7 38.e4 de4 39.fe4+/– Kh8 40.Ne3 Ne5 41.Qb3 Ng6? 42.Nf5 Rh5 43.Qf3 Nf4 44.Nd6 Re7 45.Re1 Qe6+/– 46.Nf5 Rd7 47.Qc3?? Qa2–+ 48.Kh1?? Rh3!! 49.Kg1 Qh2 50.Kf1 Qh1 51.Kf2 Rh2 52.Ke3 Ng2 (53.Rg2 Qg2–+) 0–1. Fischer,A – Szabo, corr SOK–87–15, 1987.

7.Nf3 e4 8.Ne5 –/+.

7.Nf3 Qe7 8.Nc3 d4 9.Ne2 de3 10.fe3 e4 11.Nfd4 Bg4 12.Qc2 c5 13.Nb3 Nbd7 14.Nc3 Nd5 15.Ne4 Nb4 16.Qc3 Be5 17.d4 cd4 18.Nd4 Bd4 19.ed4 Nf6 20.Ba3 Ne4 21.Bb4 Qh4 22.g3 Qf6 23.Qe3 Rfe8 24.Ra3 Nf2 (25.Bd2 Nh1–+) 0–1. Bortkun,Wojciech (1795) – Kozek,Wojciech (2055), Poland, 2002.

5.c4 Nbd7

6.a4 0–0 7.cd5 (7.d4 A) 7...ed4 8.Bd4 dc4 9.Nf3 a6+=; B) 7...dc4 8.Bc4 Nb6+= (8...ed4 9.Bd4 Ne5+=) 9.Bb3 e4+=; C) 7...c6 8.cd5 Nd5 9.Bd3 Bb4+=) 7...Nd5–/+ (7...Nb6 8.Na3 Nbd5 9.Nc4 Re8+=) 8.Nf3 (8.Nc3 N7f6–/+ 9.Nd5 Nd5+=) 8...Re8 (8...e4 9.Nd4–/+ Ne5–/+) 9.d3 (9.Nc3 Nc3 10.dc3 Qf6+=) 9...c6 (9...a6 10.Nbd2+=; 9...N7f6–/+) 10.bc6+= bc6 11.Na3 (11.Nbd2 Rb8 12.Qc1 Ba6+=) 11...Qa5 (11...Bb4 12.Nd2–/+) 12.Nd2 Ba6 0–1. Giache,Gianluca – Yeung,Chun Keung (1740), corr ICCF WSTT/3/06/1, 2006.

6.a4 dc4 A) 7.Bc4 Nb6 (7...e4 8.d4 0–0 9.Nc3 Nb6+=; 7...0–0 8.d4 ed4 9.Bd4 c5+=) 8.Bb3 a6 9.Nc3 0–0+=; B) 7.Na3+= c3 8.Bc3 0–0 9.Nc4 Nd5+=.

6.a4 c5 7.cd5 Nd5 8.Nc3 Nc3 9.dc3 Nf6 +=.

6.Qc2 0–0 7.f3 Qe7 8.a4 Nb6 9.Na3 Be6 10.h4 dc4 11.a5 c3! 12.dc3 (12.Bc3 Ba3 Deflection; 12.Qc3 Na4 Decoy; 12.dc3 Nbd5 Combination) 12...Nbd5 13.Nc4 Bc5 14.Bc1 (14.e4!? Ne3 15.Ne3 Be3 16.a6–/+) 14...Nc3! 15.Bb2? (15.Qc3 Bb4 Pinning (15...Bb4 Decoy)) 15...Bc4 (15...Nb5!? 16.Kf2–+) 16.Bc4 Ncd5 17.Bc1 Be3 18.Ba3 Bc5 19.Bd5 Bb4 20.Kf1 (20.Bb4 Qb4 21.Qd2 Qd2 22.Kd2 Rfd8–+) 20...Nd5 (20...Ba3?! 21.Bb7 Rad8 22.Rb1–+) 21.Qb3 Ba3 (21...Qc5 22.Bb4 Nb4 23.h5–+) 22.Ra3 (22.Qd5 a6 23.ba6 Ra6 24.Qb7 Ra5–+) 22...Rfd8 23.Ra4 Qc5 24.Re4 Nf4 25.Ne2 (25.g3 Rd2 26.Re2 Ne2 27.Ne2–+) 25...Nd3 26.Nd4 Rd4 27.Rh3 Qc1 0–1. Penteshin,Yury – Lugovskoy,D (1955), Doroshkevicha Mem, Belorechensk RUS, 2009.

6.Qc2 0–0 7.Nf3 Re8 8.Nc3 c6 9.h4 (9.d4 e4 10.Nd2 Rb8+=) 9...d4 10.Ne4 (10.bc6 bc6 11.Ne4 Ne4 12.Qe4 Nc5–+) 10...Ne4 11.Qe4 Nf6 12.Qc2 de3 13.de3 Bb4 14.Nd2? (better is 14.Bc3 Bf5 15.Qb3 Bc3 16.Qc3–/+) 14...Bf5!!–+ 15.Qd1 (15.Qf5 Qd2 Theme: Double Attack) 15...Ne4 16.Bc1 Bc3 17.g4 Ba1 (better is 17...Bg4 18.Be2 Be2 (worse is 18...Ba1 19.Bg4 Nf6 20.Rg1–+) 19.Ke2 Nf2 (19...Ba1?! 20.Ne4 Qc8 21.Nd6 Qg4 22.Kd2–+) 20.Kf2 Ba1–+) 18.gf5 Bc3 19.Rh2 (19.Qc2 Nd2 20.Bd2 Bd2 21.Qd2 Qf6–+) 19...Bd2 20.Bd2 Qd2 (20...cb5 21.cb5 Rc8 22.f3–+) 21.Qd2 Nd2 22.Kd2 cb5 23.cb5 Red8 24.Kc3 Rac8 25.Bc4 Rd1 26.Kb3?? (26.Kb4 a5 27.ba6 Rb1 28.Bb3 ba6–+) 26...b6 (26...Rb1 27.Kc3 Rc1 28.Kb3 R8c4 29.Rh1–+) 27.f3?? (better is 27.Kb4–+) 27...Rc1 (better is 27...Rb1 28.Kc3 Rc1 29.Kd3 R8c4–+) 28.Bd5 R1c3 29.Kb4 Re3 30.Rd2 Kf8 31.Bc6 ½–½. Otte,Marco – Vleeming,Vincent, Wag.Ext.4vsToren2, 2001.

6.Qc2 0–0 7.Nf3 Re8 8.cd5 Nd5 9.Bc4 N7b6 (9...Nb4 10.Qc3 Nb6 11.Ba3–/+) 10.Be2 (10.Bd3!?+=) 10...Nb4–/+ 11.Qe4? (better is 11.Qd1!? e4 12.Nd4–/+) f5–+ (11...f5 12.Qh4 Nc2 13.Kd1 Qh4 14.Nh4 Na1 15.Ba1 e4–+) 0–1. Moehring,Norbert (2165) – Mader,Sascha (1900), Bad Woerishofen op, 2003.

6.Nc3 d4 7.ed4 ed4 8.Nb1 (8.Qe2 Ne5 9.c5 Qe7+=) 8...Qe7–/+ 9.Qe2 Ne5 (9...Be5 10.d3 0–0 11.f4 Qb4 12.Kf2 Bf4 13.Ba3–/+) 10.Bd4+= Bf5 11.Kd1 0–0 12.Nf3 Nfd7 13.Qe3 b6 (13...Nf3 14.Qe7 Be7 15.gf3=) 14.Nc3 (14.Ne5 Ne5 15.f4 Ng6 16.Qe7 Be7+=) 14...f6+= 15.Be2 a6 16.Re1 Rfe8 17.ba6 Qd8 (17...Ra6? 18.c5 Nc5 19.Bc5 Bc5 20.d4+/–) 18.Nb5 Nc6 19.Qc3 Bb4 20.Qb2 Nc5 (20...Nd4? A) 21.Qb4? Nc2 (21...Ne2?! 22.Re2 Bc2 23.Ke1=) 22.Qb2 Nc5–+ (22...Na1?! 23.Qa1 Ra6 24.Nfd4–+); B) 21.Qd4?! Be4= (worse is 21...Ra6 22.Bd3 Re1 23.Ne1 Bd3 24.Nd3+/–); C) worse is 21.Nbd4 Be4 22.Qb4 c5+–; D) 21.Nfd4 Bc5 22.Nf5 Bf2 23.Rf1+–) 21.Be3 Ra6 22.a3 Ba5 23.Nfd4 Nd4 24.Nd4 (24.Qd4 Bd7+=) 24...Bg6 25.Ra2 (25.Qb5 Be4 26.Bf3 Ra8=) 25...Be4 26.f3 Bg6 27.Bg1 Qa8 28.Ra1 Rd8 29.Be3 c6 30.f4 Qc8 31.Rf1 Be4 32.Bf3 Ra7 33.Rg1 Rad7 34.Ra2 Qa6 35.Be2 Rd6 36.h3 Bd3–+ (36...Bd3 37.Bd3 Nd3–+) 0–1. Kim,Oi_sin (2015) – Teske,Heike (2170), RSX15E3 – A00 – SokolskyT–1, 2007.

6.d3 dc4 7.dc4 0–0 8.Nf3 =+.

6.d3 c6 7.Nc3 (7.d4 cb5 8.de5 Be5 9.Be5 Ne5 10.cd5 Qd5 11.Qd5 Nd5 12.Bb5 Ke7+=) 7...a6 8.bc6 bc6 9.Nf3 Rb8 10.Rb1 0–0 11.Be2 (11.Qc2 Bc5+=) 11...Qa5 12.Qc2 e4 (12...c5 13.0–0 d4 14.Qa4 Qa4 15.Na4–/+) 13.Nd2 ed3 14.Bd3 Ne5 15.0–0 dc4 (15...Nd3 16.Qd3 Rd8 17.cd5 Nd5 18.Nd5 Qd5 19.Qd5 cd5 20.Bd4=) 16.Be2 Neg4 (16...Rd8 17.Bc4 (worse is 17.Nc4 Nc4 18.Bc4 Bf5–/+) 17...Nfg4 18.h3=) 17.h3 Qh5 (17...Ne5 18.Rfd1= (worse is 18.Nc4 Nc4 19.Bc4 Qe5+=)) 18.Nce4 (worse is 18.Bg4 Ng4 19.Nc4 Bh2 20.Kh1 Bc7+=) 18...Ne4 19.Ne4 Bc7? (better is 19...Bh2 20.Kh1 Bc7=) 20.Rfd1+/– (worse is 20.Bg4 Bg4 21.Qc3 Rb2 22.Qb2 Be2+=) 20...Qh6 21.Bg4 f5 (21...Bg4 22.hg4 Qh2 23.Kf1 Qh1 24.Ke2 Qg2 25.Qc4 Qg4 26.f3 Qg2 27.Nf2+/–) 22.Nf6+– gf6 23.Qc4 Kh8 24.Bf3 (24.Qc6?! Rb2 25.Rb2 Be5+=) 24...Qg7 25.Bc6 (25.Qc6 Bb7 26.Bf6 Bc6 27.Bg7 Kg7 28.Bc6 Rb1 29.Rb1 Rb8 30.Rb8 Bb8+–) 25...f4 26.ef4 (26.Bd7 fe3 27.Qc7 e2+–) 26...Bh3+/– 27.Bc3 (27.Qa6?! Bf5 28.Qe2 Bb1 29.Rb1 Bf4=) 27...Rbc8 (27...Rb1 28.Rb1 Bc8 29.Bb7+–) 28.Rb7+– Rg8 (28...Bf5 29.Bb4 Rg8 30.Bd6+–) 29.g3 Bf5 30.Bg2 (30.Qa6 Rgf8+–) 30...Rgf8 31.Qa6 Qh6 (31...Qg6 32.Bb4 Rfe8 33.Bc6+–) 32.Rd5 Bg4 (32...Qg6 33.Rbb5 Be5 34.Re5 (34.fe5?! Rc3 35.Rbc5 Rc5 36.Rc5 fe5 37.Qg6 hg6+–) 34...fe5 35.Be5 Kg8 36.Bd5 Rf7 37.Qg6 Bg6 38.g4+– (worse is 38.Bf7 Kf7 39.Rb4 Bf5+–)) 33.Rg5 Bd1 (33...Bd7 34.Rc5 Bf4+–) 34.Qe6 (34.Qe6 Be2 35.Qe2 Bf4 36.Rh5+–) 1–0. Sternik,Ryszard – Jankowski,Jerzy, corr Poland, 1999.

6.d4 0–0 7.c5+= Be7 8.c6 (8.de5 Ne4 9.Qd5 Nec5=) 8...Bb4 (8...bc6 9.de5 Bb4 10.Ke2=) 9.Nc3 (9.Bc3!? Bc3 10.Nc3 bc6 11.bc6+=) 9...ed4 (9...bc6 10.de5 Ne5 11.a3–/+) 10.ed4 (better is 10.Qd4!? Bc5 11.cb7 Bb7 12.Qh4+=) 10...Re8 (10...bc6 11.bc6 Ne4 12.Qf3–/+) 11.Be2 Nb6 (11...bc6 12.bc6 Nb8 13.a3 Bc3 14.Bc3 Nc6 15.Nf3–/+) 12.Kf1 (12.cb7 Bb7 13.Qb3 Qe7–/+) 12...Bc3 (12...bc6 13.bc6 Re6 14.Qb3 Bc3 15.Qc3–+) 13.Bc3–/+ Ne4 (13...bc6 14.bc6 Qd6 15.Qb3–/+) 14.Be1 (14.cb7 Bb7 15.Qc2 c6–/+) 14...bc6 15.bc6 Qf6 16.Rc1 Bf5 (16...Re6 17.Nf3 Rc6 18.Rc6 Qc6 19.Ne5–/+) 17.f3 (17.Nf3!?–/+) 17...Nd6–+ 18.Bf2 (18.Rc5 Nbc4 19.Qa1 Ne3 20.Kf2 Bg6–+) 18...Ndc4 19.Rc3 (19.g4 Bg6–+) 19...Re6 (19...Qc6 20.Qc1–+) 20.g4 Bg6 21.Qc1 (21.h4 Rc6 22.h5–/+) 21...Rae8 22.h4 White prepares the advance g5 22...h5 (22...Na4 23.Rb3 Rc6 24.h5–+) 23.g5? (better is 23.gh5!? Bh7 24.Qg5–/+) 23...Qe7 24.Bd3 (24.Bc4 Nc4 25.Nh3 Rc6–+) 24...Bd3 (24...Na4 25.Bg6 Nc3 26.Bf7 Qf7 27.Qc3 Rc6 28.Qd3–+) 25.Rd3 Rc6 (25...Qd6 26.Nh3–+) 26.Kg2 Re6 27.Rh2 (27.f4 Re4–+) 27...Nd7 (27...Qd7 28.a3–+) 28.Kh1 (28.Rb3 a5–+) 28...Nf8 (28...Qd6 29.Rg2–+) 29.Rb3 Rb6 (29...a6 30.Bg3–+) 30.Rb6 (30.Bg3 Rc6–+) 30...ab6 (30...cb6 31.Bg3–+) 31.a4 (31.Bg3 Ne6 32.Re2 Qd7–+) 31...Qb4 32.Qc2 Ra8 (32...c6 33.Ne2–+) 33.Qf5 (33.Ne2 Ra4 34.Nf4 Qa5–+) 33...Qd6 (33...Ra4?! 34.Qd5 b5 35.Qc6–+) 34.Bg3 (34.Rg2–+) 34...Qg3 35.Qd5 Ra4 36.g6 (36.Rh3 Ne3 37.Qf7 Kf7 38.Rg3 Rd4–+) 36...Qg6 37.Rg2 Qg2! (37...Qg2 38.Kg2 Ne3 39.Kh3 Nd5–+) 0–1. Zimmermann,Joerg – Boesenberg,Heiko (1725), Landesliga Ost2, 2002.

6.d4 ed4 7.Bd4 dc4 8.Nf3 Nb6 9.Nbd2 0–0 10.Be2 Bd7 11.a4 a6 12.ba6 Ra6 13.a5 Nbd5 14.Bc4 (worse is 14.Nc4 Bb4 15.Kf1 Re8+=) 14...Ra8 15.0–0 c5 The isolani on a5 becomes a target 16.Bb2 Be7 (16...Ra5 17.Ra5 Qa5 18.Bd5 Nd5+–) 17.Qb3+= Nb4 18.Ng5 Qe8 (18...Ra5 19.Nf7 Qc7 20.Ra5 Qa5 21.Bf6 gf6 22.Ne5 Kh8 23.Nd7+–) 19.e4 Bb5 20.Rfe1 Rd8 21.Ngf3 Nh5 22.Be5 Bf6 23.Bf6 Nf6 24.e5 Bc4 25.Qc4 Nd7 26.Ne4 Qe7 27.Rab1 Nc6 Will e5 fall? 28.Qc3 Nb4 29.Rbd1 Ra8 30.Nd6 Ra5 Opening the a–file gets White a lot of play 31.Nf5 Qe6 32.g4 Ra4 33.Ng5 Nd5?? (33...Qe8 34.e6 f6 35.Rd7+– (35.ed7 Qd8 36.Qb3 c4 37.Qa4 b5 38.Qb5 Nc6 39.Qc4 Kh8 40.Nf7 Rf7 41.Qf7 Qg8 42.Re8 Ne7 43.Qg7)) 34.Ne6 (34.Qh3 Qg6 35.Rd5 Qg5 36.Rd7 Rg4 37.Ng3 b5+/–) 34...Nc3 35.Nf8 Nd1 (35...Rg4 36.Kf1 Nf8+/–) 36.Nd7+– Nc3 37.Nc5 Rg4 38.Kf1 b5 39.Ra1 Threatening mate: Ra8 39...h6 40.Nd6 Rd4 41.Ra8 Kh7 42.Nf7 Kg6 43.Rf8 Rd1 44.Kg2 Nd5 45.Ne6 Re1 46.f4 b4 47.Nd6 b3 48.Rb8 Re3 49.Rb5 Ne7 50.h3 Rd3 51.f5! Kh7 52.Nf8 Kg8 53.Rb8 Rd2 54.Kg3 Rd3 55.Kf2 Nf5?? 56.Nf5 Rd2 57.Ke3 Rd1 58.e6 Re1 59.Kd4 g5 60.Rb7 Rd1 61.Ke5 Re1 62.Kf6 Rf1 63.Ng6 Rf5 64.Kf5 g4 1–0. Mely (2460) – Yorkie (2275), ChessWorld.net, 2003.

6.cd5 Nd5 7.Nc3 Nc3 8.Bc3 0–0 9.Qc2 Qe7 10.Ne2 e4 (10...Rd8 11.Ng3+=) 11.Ng3= Bg3 12.hg3 Rd8 13.d3 Nc5 14.d4 Nd7 15.a3 Nf6 16.Bb4 Qe8 17.Qc7 Nd5 18.Qe5 Qe5 19.de5 Nb4 20.ab4 Bf5 21.Rh4 Rdc8 22.g4 Bg6 23.f4 h6 24.Kf2 Rc2 25.Kg3 Rb2 26.f5 Bh7 27.Rc1 Rb4 28.Rc7 a5 (28...a6 29.Bc4 Rf8 30.e6 fe6 31.Be6 Kh8 32.f6 Rf6 33.Rc8 Bg8 34.Bg8+– (34.Rg8?! Kh7 35.ba6 ba6+–)) 29.e6 fe6 (better is 29...f6!?+–) 30.f6! (30.f6 gf6 31.Rh6+–; 30.fe6?! b6+=) 1–0. Taulien,Hans_Juergen – Ritschel,Stephan, remoteschach.de, 2003.

6.cd5 Nd5 7.Nc3 Nc3 8.Bc3 0–0 9.d4 e4 10.Qc2 Qh4 11.g3 Qg4 12.Ne2 Qf3 13.Rg1 Nf6 14.Nf4 Qg4 15.h3 Qf5 16.a3 Bd7 17.Bb4 Rac8 18.Qb1 Rfe8 19.Qb3 Be6 20.Ne6 Bb4 (20...Re6!? 21.g4 Qg5=) 21.ab4+= Re6 22.g4 Qg6 23.Ra7 Rb6 24.Be2 Qg5 (24...Ne8 25.Qd5+=) 25.Qc2+/– h6 26.Kf1 (26.Qc5!?+/–) 26...Qh4+= 27.Rg3 h5 28.g5 Ne8 29.Qa2 Nd6 30.Ra8 Ra8 31.Qa8 Kh7 32.Ke1 Kg6 (32...g6!?+/–) 33.Qd8+– Nb5 34.Bb5 Rb5 35.d5 (35.Qc7 Rg5 36.Qe7 Kh6+–) 35...Rb6? (35...Rb4 36.Qc7 Rb1 37.Ke2 Rb2 38.Kf1 b5+–) 36.Qc7+– Ra6 37.Qb7 (better is 37.d6!? Ra1 38.Ke2 Ra2 39.Kf1 Ra1 40.Kg2 Rd1+–) 37...Ra1 38.Ke2 Ra2 39.Kf1 Rc2 (39...Kh7 40.Qe7 f6 41.g6 Kh6+–) 40.d6 Rd2 41.d7 Rd1 42.Kg2 Rd3 (42...Kf5 43.d8Q! Rd8 44.Qf7 Ke5 45.Qe7 Kd5 46.Qd8 Kc4 47.Qd4 Kb5 48.Qg7+–) 43.Qa6 (better is 43.Rg4! hg4 44.Qe4 f5 45.Qe8 Kh7 46.g6 Kh6 47.Qh8 Kg6 48.Qh4 gh3 49.Kh3 Rd7+–) 43...Kf5 44.Qd3! ed3 45.f4 Ke6 46.d8Q d2 47.Qd2 Ke7 48.b5 f6 49.Qb4 Kf7 50.g6 Ke6 51.f5! 1–0. Jesche,Lothar (2300) – Elschner,Gerald (2205), RSX15E3 – A00 – SokolskyT–1, 2007.

6.d4 dc4

7.Bc4 0–0 8.Nd2 –/+.

7.Bc4 0–0+= 8.Ne2 Nb6 9.Bb3 e4 +=.

7.Bc4 Nb6 8.Bb3 e4 9.Ne2 a6 +=.

7.Bc4 e4 8.Nc3 Nb6 9.Bb3 0–0 +=.

7.Bc4 Qe7 8.a3 (8.Nd2 0–0+=) 8...0–0 (8...Nb6 9.Nd2 e4 10.Ne2–/+) 9.Ne2 (9.Nd2 a6 10.ba6 b6–/+) 9...e4 (9...Nb6 10.Nd2–/+) 10.Ng3 (10.Nec3 Nb6 11.Be2 h5+=) 10...Nb6–/+ 11.Bb3 Bg4 (11...Be6 12.Qc2–/+) 12.Qc2+= h5 (better is 12...a6 13.Nc3 ab5 14.Nb5 Be6+=) 13.Nd2 e4 draws heavy fire (better is 13.Nc3!? Rae8 14.h3+=) 13...Rfe8–/+ 14.h3 Bd7 15.Nc4 h4 (15...Bb5 16.Ne5 Bd3–/+ (16...Be5?! 17.de5 Bd3 18.Qd1=)) 16.Ne5? (better is 16.Ne2+=) 16...hg3–+ (16...Be5 17.de5 Nfd5 18.Ne4 (worse is 18.Qe4 hg3 19.Bd5 Nd5 20.Qd5 gf2 21.Kf2 Rad8+=) 18...Bb5 19.0–0–0+=) 17.Bf7 Kh7 18.Nf3?? (18.Be8 Re8 (18...Ne8?! 19.Qe4 Kg8 20.0–0+=; 18...Be8?! 19.a4–+; 18...Qe8?! 19.a4–+) 19.Qe2 gf2 (19...Be5?! 20.de5 gf2 21.Kf2–+) 20.Kf2 Rf8–+) 18...Kh8 (better is 18...Rf8 19.Ba2 Bb5–+) 19.Be8?! (19.Ne5 Be5 20.Be8 gf2 (20...Be8?! 21.de5 gf2 22.Kf2–/+; worse is 20...Re8 21.de5 gf2 22.Kf2–+; 20...Qe8?! 21.de5 Nfd5 22.Qe4–/+) 21.Kf2 A) 21...Be8?! 22.de5 Nfd5 23.Qe4–/+; B) 21...Re8?! 22.de5 Nfd5 23.Qe4–+; C) 21...Qe8?! 22.de5 Nh5 23.Qe4+= (23.Qc7?? Rc8 24.Qd6 Rc2 25.Kg1 Nc4–+); D) 21...Bg3 22.Kg3 Qd6 23.Kf2 Re8–+ (23...Be8?! 24.a4–+; 23...Ne8?! 24.Qe4 Nf6 25.Qh4 Kg8 26.e4–+)) 19...Re8 (better is 19...gf2 20.Qf2 Qe8–+ (20...Re8?! 21.Ne5 Be5 22.de5–+; 20...Be8?! 21.Ne5–+; 20...Ne8?! 21.Ne5 Be5 22.de5–+; 20...ef3?! 21.Bd7 fg2 22.Rg1–+)) 20.Ng5?? (20.Ne5 gf2 (worse is 20...Be5 21.de5 Nfd5 22.Qe4–+) 21.Kf2 Kh7–+) 20...Bf5 (better is 20...Bb5 21.Bc1 Bd3–+) 21.0–0 Bg6 22.Rae1 (22.Qe2 Nbd5 23.a4 Nh5–+) 22...Ng4!! 23.f4 (23.hg4 gf2 Double attack (23...Qg5 Discovered attack; 23...Qg5 Decoy)) 23...Nh2 24.Rf2 (24.Qb3 Qd7–+) 24...gf2 25.Qf2 Kg8 (better is 25...Rf8 26.Qh4 Kg8 27.Kh2 Rf5–+) 26.Kh2 (26.Qc2–+) 26...Qg5 27.g3 Qb5 0–1. Pietrzak,Wojciech – Moskwinski,Tadeusz, Warszawa Poland, 2001.

7.Nd2 a6 (7...ed4 8.Bd4 Ne5 9.Qc2 Nd3+=; 7...c3 8.Bc3 0–0 9.Ngf3 Nd5=; 7...0–0 8.Bc4 e4 9.Qc2 Nb6+=) 8.Nc4 Bb4 9.Nd2 ed4 +=.

7.Nf3 e4 8.Nfd2 0–0 9.Nc3 Nb6 +=.

5.c4 Be6

6.Qb3 Nbd7 7.d4 c6 8.c5? Bc7 9.Nf3 e4 10.Nfd2 Ng4 11.h4 (11.h3 Nf2 (11...Qh4 12.hg4 Qh1 13.bc6 bc6 14.Qb7 Rb8 15.Qc7 Rb2 16.Qc8) 12.Kf2 Qh4 13.Ke2 (13.Kg1!? Bg3 14.Rh2)) 11...Qf6 12.f4 Bf4! (12...ef3 13.gf3 Bg3 14.Ke2 Nf2 15.Rg1 Bh4 16.Nc3 Bf5 17.e4 de4 18.Nce4 Ne4 19.fe4) 13.ef4 Qf4 14.Rh3 Qf2 15.Kd1 e3 16.Rf3 Qh4 17.Re3 Ne3 18.Qe3 0–0 19.Nf3 Bg4 20.Be2? (20.Nbd2 Rfe8 21.Qf4) 20...Qg3 21.Qg1 Rfe8 22.Nc3 Re6 0–1. Klarius – Felbecker, 1979.

6.Qc2 Nbd7 7.d4 0–0 8.c5= Be7 9.de5 Ne4=+ 10.c6 Bb4 11.Kd1 bc6 12.bc6 Nb6 13.a3 Ba5 14.Nf3 Nc4 15.Bd4 Rb8?? 16.Bc4+– Bf5 17.Bd3 Nf2 18.Qf2 Bd3 19.Nbd2 Rb5 20.a4 Rb8 21.Ra3 Qe7?? 22.Rd3 (22...Bd2 23.Nd2+– (23.Qd2?! Rb1 24.Ke2 Rh1+–)) 1–0. Sternik,Ryszard – Stankiewicz, Olsztyn, 1972.

6.c5 Bc5–/+ 7.Be5 Nbd7 8.Bb2 0–0 9.Nf3 Qe7 10.Be2 Nb6 11.Qc2= h6 12.d3 Bf5 13.Nbd2 Rfe8 14.Nd4 Rad8?? 15.Nf5+– (15...Qe6 16.Qc5 Qf5 17.Qc7+–) 1–0. Sternik,Ryszard – Tomalak,S, corr Goleniow, 1993.

6.c5 Bc5 7.Be5 Nbd7 8.Bb2 0–0 9.Nf3 Qe7 10.Be2 Bg4 11.0–0 Bd6 12.d4 a6 13.Nc3 Bf3 14.Bf3 ab5 15.Nb5 Ne4 16.a4 Rfe8 17.Nd6 Qd6 18.a5 Ndf6 19.Qc2 Qb4 20.Ra4 Qd6 21.Rc1 Rec8 22.Ra2 Qd8 23.Rca1 Qe7 24.a6 ba6= 25.Ra6 Ra6 26.Ra6 Qb4 27.Ra1 g6 28.Be2 Rb8 29.Ba3 Qc3 30.Qc3 Nc3 31.Bd3 Ra8 32.Bb2 Ra1 33.Ba1 Na2 34.Bb1 Nc1 35.f3 Kf8 36.Bb2 Nb3 37.Bc3 (37...Nc1 38.Bb4 Ke8 39.Bc2+–) 1–0. Dopper,Johan (2175) – Geus,Jan (2200), KE03 NBC Email, 2000.

6.cd5 Nd5 7.Nf3.

6.Nf3 0–0 7.Ne5 Qc8 (7...Be5 8.Be5 dc4 9.Na3=) 8.d4 Nbd7 9.c5 Be5 10.de5 Ne5?? 11.Be5+– Ne4 12.Bb2 Nc5 13.Qd4 f6 14.Qc5 Rd8 15.Nc3 c6 16.bc6 bc6 17.Ne2 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, remoteschach.de, 2003.

6.Nf3 Nbd7 7.cd5 Nd5 8.Nc3 0–0 9.d4 Nc3 10.Bc3 ed4 11.Nd4 Be5 12.f4= Bd4 13.Qd4 Nf6 14.Be2 Qd4 15.Bd4+= Bd5 16.0–0 Ne4 17.Rf3 Nd2 18.Rg3 f6 19.Rc1 Rf7 20.Rc5 Ne4?? 21.Bc4 Bc4–+ 22.Rc4 Ng3 23.hg3 b6 24.e4 Rd8 25.e5 Rfd7 26.Bc3 Rd3 27.Kh2?? fe5 28.Be5 Ra3 29.Rc7=+ Rdd3 30.Rg7= Kf8 31.Rh7 Rg3? 32.Bd6+– Kg8 33.Ba3 Rg2?? 34.Kg2+– Kh7 35.Kg3 Kg6 36.Bb4 Kf5 37.a4 Ke6 (38.Kg4 Kd5+–). Andersson,Egart – Kuniss, Denmark, 1995.

6.Nf3 e4 7.Nd4 Bg4 8.Be2 h5! Sternik.

5.c4 Qe7

6.d4 Bb4 7.Nc3 =+.

6.d4 ed4 7.Bd4 Bb4 8.Bc3 dc4 9.Qa4 Nd5 10.Ne2 Nd7 11.a3? Nc5–+ 12.Bb4 Nb4 (13.ab4 Na4 14.Ra4 0–0–+) 0–1. Sidorov – Teichmann,C, corr ICCF, 1995.

6.cd5=+ Nd5 7.Nc3 Nb6 8.a4 a5 9.Be2 N8d7 10.d3 0–0 11.Bf3 Nc5 12.Nge2 Bf5 13.Nc1 Rad8 14.Qc2 Bg6 15.0–0 f5 16.Nd5 Nd5 17.Bd5 Kh8 18.Qc3 e4 19.Bc4 ed3 20.Nd3 Ne4 21.Qc2 f4 22.ef4+= Bf4 23.Nf4 Rf4 24.Qe2 Rd2–/+ 25.Ba3 Qa3?? 26.Ra3+– Re2 27.Be2 h6 28.Bd3 Kh7 29.g3 Rf3 30.Re1 Nd2 31.Bg6 Kg6 32.Rae3 Rf6 33.Kg2 Nc4 34.Re7 Nb2 35.Rc7 Na4 36.Rb7 Nc3 37.Rc7 Nb5+/– 38.Rb7 Nc3 39.Ree7+– a4 40.g4 Kg5 41.Rg7 Kf4 42.Rb4 Ke5 43.Rc7 Nd5 44.Rb5 Rf4 45.Kg3 Rd4 46.Ra7 Ke4 47.f3 Kd3 48.Rd5 Rd5 49.Ra4 (49...Rd6 50.f4+–) 1–0. Del Corral,A – Fabre,JM, Pena San Jose, 1997.

6.cd5=+ Nd5 7.Nc3 Be6 8.d4 =+.

6.cd5 Nd5 7.Nc3 Nf6 8.Bc4 Nbd7 9.Nge2 0–0 10.Qc2 Nb6 11.Bd3 Be6 12.Ne4 Nbd5 13.Nf6 Nf6 (worse is 13...Qf6 14.Bh7 Kh8 15.Be4+=) 14.0–0 Rfd8 15.f4 Bg4 16.Ng3 White plans f5 16...g6 (better is 16...ef4!? 17.Bf6 Qf6=) 17.f5 Ba3 18.Bc3 Nd5 19.h3 (19.Bc4 c6 20.bc6 bc6 21.Qe4 Bf5 22.Nf5 gf5 23.Rf5+/– (23.Qe5?! Qe5 24.Be5 f4+/–)) 19...Nc3= 20.dc3 Qg5 21.Bc4 Bh3 22.fg6 Qg3 (22...Qg3 23.Rf7 Qe3 24.Kh2 Be6 25.Be6 Qh6 26.Kg3 Qg5 27.Kf3 Rf8 28.Rf8 Kf8 29.gh7 Kg7+/–) 0–1. Rynberg,A (1835) – Davidson,Jamie P, CCLA K.O. Tourn. Quarter Final Pair, 1995.

6.Nf3 0–0 7.cd5 Nd5 8.Bc4 Nb6–/+ 9.Be2 a6 10.a4 ab5–/+ 11.ab5 Ra1 12.Ba1 c5 13.0–0 N8d7 14.d3 Nf6 15.Nbd2 Bd7 16.d4 cd4=+ 17.ed4 e4 18.Ne5 Bf5 19.Ndc4= Nbd5 20.Nd6 Qd6 21.Qb3 Be6 22.Bc4 Ng4?? 23.Ng4+– (23...Rc8 24.h3+–) 1–0. Whiteside,T Martyn – Harding,T, BPCF grand open, 1984.

6.Nf3 Nbd7 7.Be2 (7.cd5 Nd5 8.e4 Nf4+=) 7...dc4 8.Bc4 e4 9.Nd4 Ne5 10.Be2 0–0 11.f4 (11.Qc2 Bd7+=) 11...ef3 12.Nf3 Nfg4 13.g3? (better is 13.Nc3–/+) 13...Nf3–+ 14.Bf3 Nh2! 15.Rh2 (15.Qe2 Nf3 16.Qf3 Qg5–+) 15...Bg3 16.Rf2 Qh4 (16...Bf2?! 17.Kf2 Qh4 18.Kf1 Bh3 19.Ke2 Qc4 20.d3 Qb5 21.Qb3 Qb3 22.ab3+=) 17.Qe2 Qh2 (17...Bf2?! 18.Qf2 Qf2 19.Kf2=) 18.Nc3 Qg1 (18...Qf2 19.Qf2 Bf2 20.Kf2+=) 19.Qf1 Bf2 (worse is 19...Qf2 20.Qf2 Bf2 21.Kf2+=) 20.Ke2 Qf1 21.Rf1 Bh4 22.Nd5 Bd7 23.a4 Bd8 24.Rg1 g6 25.Bf6 c6 26.Ne7 Be7 27.Be7 Rfe8 28.Bc5 cb5 29.Bb7 Rab8 30.Bd5 ba4 31.Ba7 Bb5 32.Kf2 Rbd8 33.e4 Rc8 34.Ke3 Bc6 35.Bc6 Rc6 36.d4 Rc3 37.Kf4 f6 38.e5 fe5 39.de5 Rc4 40.Ke3 Re5 41.Kd3 Rc7 (41...Rc7 42.Bd4 Ra5–+) 0–1. Onoprienko,Elena (2060) – Zakharchenko,Arnold (2260), 14th Chigorin Mem B RUS, 2006.

5.d3 0–0

6.Nd2 Bf5 7.g3 Qd7 8.a4 a6 9.c4 dc4 10.dc4 Bb4 11.Ba3 Ba5 12.Bf8+= Ne4 13.Ra2 Nd2 14.Rd2 Kf8 15.Nf3 ab5 16.ab5 Be4 17.Bg2 Qd3 (18.h3 Bd2 19.Nd2 Bg2–+) 0–1. Jaegerflod,Kent – Knoppert,Erik GJ, Sixth Regency Masters, 1984.

6.d4 e4 7.Ba3 Ba3 8.Na3 c5 9.Qd2 cd4 10.ed4 e3 –/+.

6.Be2 c6 7.Nf3 Re8 8.a4 a6 9.d4 e4 10.Ne5 Nbd7 –/+.

6.Nf3 Nbd7 7.Be2 c6 8.c4 Qc7 9.g3? a6 10.a4 ab5 11.ab5–/+ Ra1 12.Ba1 Re8 13.0–0 c5 14.Nbd2=+ b6 15.Re1 Bb7 16.Bf1 d4 17.ed4 ed4 18.Re8= Ne8 19.Qe2 Nef6 20.Bb2 h6 21.Bc1 Ne5 22.Ne5= Be5 23.Nf3 Bd6 24.Nh4 Qd7 25.Bg2 Bg2 26.Ng2 Qg4 27.Qg4 Ng4 28.f4 f5 29.Nh4+/– Kf7 30.Nf5 Be7 31.Ne7 Ke7 32.Kg2 Ke6 33.h3 Nf6 34.Kf3 h5 35.g4 g6 36.Bd2 Ke7? 37.f5 hg4? 38.hg4 gf5 39.gf5 Nd7 40.Ke4 Nf6 41.Ke5 Ng4 42.Kd5 Nf2?? 43.Kc6 Nd3 44.Kb6 Kf6 45.Kc6 Kf5 46.b6 Ne5 47.Kc5 Nd7 48.Kc6 Nb6 49.Kb6 Ke6 50.Kc7 Ke5 51.c5 Kd5 52.c6 Ke6 53.Kb7 Kd5 54.c7 Ke4 55.c8Q Kd3 56.Bh6 (56...Ke4 57.Qc6 Kf5 58.Qd5 Kg4 59.Qd4 Kf5 60.Qf4 Kg6 61.Kc6 Kh7 62.Qf6 Kg8 63.Qg7#; 56.Qc1 Ke2 57.Qe1 Kf3 58.Qf1 Kg3 59.Qd3 Kg4 60.Qd4 Kf5 61.Qf4 Ke6 62.Kc6 Ke7 63.Qf5 Ke8 64.Bb4 Kd8 65.Qd7#) 1–0. Starr,Albert Martin – Kwok,James, San Francisco TNM Summer op, 2006.

6.Nf3 Nbd7 7.Be2 c6 8.bc6 bc6 9.Nc3 Rb8 10.Rb1 Nb6 =+.

6.Nf3 Nbd7 7.Be2 c6 8.bc6 bc6 9.Nbd2 Rb8 –/+.

6.Nf3 e4 7.de4 de4 8.Nd4 c5 9.Nb3 Be7 10.Qd8 Rd8 =+.

6.Nf3 Qe7 7.Be2 Bd7 8.c4 c6 9.Nc3 dc4 10.dc4 Rd8 =+.

6.Nf3 Re8 7.Be2 a6 8.Nc3 Bd7 9.a4 c6 10.0–0 b6 =+.

5.d3 a6

6.a4 0–0 7.Nf3 e4 8.de4 de4 9.Nd4 c5 10.Nb3 ab5 –/+.

6.a4 ab5 7.ab5 Ra1 8.Ba1 Nbd7 9.Be2 c6 10.bc6 bc6 =+.

6.ba6 Na6 7.Nf3 Qe7 8.Be2 0–0 9.Nc3 Bd7 10.Qd2 b5 –/+.

6.d4 e4 7.c4 0–0 8.c5 Be7 9.Qa4 b6 10.c6 Ra7 =+.

6.Nf3 Nbd7 7.ba6 ba6 8.Nc3 =+.

6.Nf3 Qe7 7.d4 e4 8.Ne5 ab5 9.Bb5 Nbd7 10.c4 Bb4 –/+.

6.Nf3 Bg4 7.ba6 Na6 8.Be2 e4 9.de4 de4 10.Nd4 Be2 =+.

5.d4 ed4

6.ed4 0–0 7.Bd3 –/+.

6.ed4 Qe7 7.Qe2 Be6 8.Nf3 0–0 9.Qe3 Re8 10.Bd3 Ng4 11.Qe2 Bf5 12.Qe7 Re7 13.Kf1 Bd3 14.cd3 Nd7 15.a3 Rae8 16.Nc3 a6 17.a4–/+ c6 18.h3 Ngf6 19.Ba3 Ba3 20.Ra3 ab5 21.ab5 Re6 22.g3 cb5 23.Nb5 Rb6 24.Ra5 Rc8 25.Kg2 Ra6 26.Rha1 Nb8 27.Ra6 ba6 28.Nd6 Rc6 29.Nf5 Kf8 30.Ne5 Re6 31.g4 g6 (31...h5 32.Rc1 hg4 33.Rc7 (< 33.hg4 Nfd7+=) 33...gh3 34.Kh3+–) ½–½. Schulz,Hans_Juergen – Baer,Werner, TT–07 TSC, 2003.

6.Qd4 0–0 7.Nf3 c5 8.Qd1 a6 9.a4 Re8 10.Be2 ab5 11.ab5 Ra1 12.Ba1 Be6 13.0–0=+ Nbd7 14.Nbd2 Qb6 15.c4 Qc7 16.Qb3 b6 17.cd5= Nd5 18.Bc4+= N5f6 19.Be6 Re6 20.Rd1 h6 21.Nc4 Ne4 22.Qd3 Nf8 ½–½. Benassi,Aspasio – Gohla,Ulf, Tiger SC, 2000.

6.Qd4 a6 7.Nc3 –/+.

6.Qd4 c5 7.Qh4 Nbd7 =+.

6.Bd4 0–0 =+.

6.Bd4 c5 7.bc6 Nc6 8.Nc3 Nd4 9.Qd4–/+ 0–0 10.Rb1 Bc7 11.Bd3 Bb6 12.Qh4 d4 13.ed4 Qd4 14.Qd4=+ Bd4 15.Nge2 Bb6 16.0–0 Bd7 17.Ne4 Ne4–/+ 18.Be4 Rac8 19.Rfe1 Bc6 20.Bf5 Rcd8–/+ 21.Rbd1 Rfe8 22.Rd8–/+ Bd8 23.Bd3 g6 24.Rd1 Bf6 25.f3 Kg7 26.Kf2 h5 27.Bc4 b5 28.Bd3 b4 29.Ba6 Re5 30.Nc1 Rc5 31.Rd2 Rd5 32.Nd3 Rd6 33.Re2 Bf3! 34.Kf3 Ra6 35.Nb4 Ra4 36.Nd5 Ra2 37.Nf6 Kf6 38.Ke4 a5 39.Kd3 a4 40.Kc3 Kg5 41.Rd2 f6 42.Kb4 h4 43.h3 f5–+ 44.Rf2 Kf6 45.Re2 Kf7 46.Rf2–/+ Ke6 47.Re2 Kd6 48.Kb5 a3 49.Rd2 Ke5–/+ 50.Kb4 g5 51.Kb3 Ra1 52.c4 g4 53.hg4=+ fg4 54.Rc2 Kd6 55.Rd2=+ Ke5 56.Rc2 Ke6 57.Re2 Kd7 58.Re4= h3 59.gh3 gh3 60.Rh4 Rh1 61.Ka3 ½–½. Rosner,Dirk – Turcot, email SOK–E0008A, 1999.

5.d4 Nbd7

6.c4 dc4 7.Bc4 ed4 8.Bd4 0–0 9.Nf3= Nb6 10.Bd3 a6 11.ba6 Bb4 12.Bc3 Nfd5 13.Qb3 c5 14.a3 Nc3 15.Qc2? Ba5–/+ 16.Nc3 Qf6 17.0–0 Bc3–+ 18.Rac1 Bb2 19.Bh7 Kh8 20.Qc5 Kh7 21.Qf8 Bc1 22.Rc1 Be6 23.Qc5 Rc8 24.Qh5 Kg8 25.Rc8 Bc8 26.h3 ba6 27.Qe5 Qe5 28.Ne5 Kf8 29.Kh2 Ke7 30.Kg3 Ke6 31.Nc6 Nc4 32.Nd4 Kd5 33.Nc2 Ke4 34.h4 a5 35.h5 a4 36.Kh4 Bb7 37.Kg3 Kd3 38.Nd4 Na3 39.Nf5 Nc4 (40.Ng7 a3–+) 0–1. Rosner,Dirk – Leisebein,Peter (2105), DESC, 1999.

6.c4 ed4 7.Bd4 dc4 8.Nf3 –/+.

6.Be2 e4 7.Nd2 0–0 8.Nh3 Nb6–/+ 9.c4 dc4 10.Nc4 Nc4 11.Bc4 Bh3 12.gh3 Qd7 13.Bc3 c6 14.a4 Rac8–+ 15.Bd2 cb5 16.Bb5 Qh3 17.Bf1 Qh4 18.h3 Rc7 19.Bg2 Rfc8 20.0–0 Qg5 21.Qb1 h6 22.Qb5 Qg6 23.Rfc1 a6 24.Qb6 Nd5 25.Qb1 f5 26.Qb3 Qe6 27.Rc7 Rc7 28.Bf1 Kh7 29.Rc1 Rd7 30.Bc4 Qg6 31.Kf1 Nf6 32.Ke2 Qh5–+ 33.Ke1 Qh3 34.Bf1 Qf3 35.Qd1 Qh1 36.Qb3 Ng4 37.Qe6 Qf3 38.Be2 Qf2 39.Kd1 Nf6 40.a5 Kg6 41.Qb3 h5 42.Bc4 h4 43.Be6 Qf3 44.Kc2 Rc7 45.Kb1 Rc1 46.Bc1 h3 47.Qb7 h2 48.Qa6 h1Q 49.Qd6 Qe3 (50.Qc6 Qd4–+) 0–1. Steingraeber,Barbara (1675) – Hoegerl,Gerd (2125), DESC, 2002.

6.Nf3 e4 7.Ne5 0–0 8.c4 Qe8 9.Be2 Ne5–/+ 10.de5 Be5 11.Be5 Qe5 12.Nd2 dc4 13.Bc4 Rd8 14.Qc2?? Qa1–+ 15.Nb1 Qe5 (16.Nd2 a6–+) 0–1. Steingraeber,Barbara – Nowsky,Michael, remoteschach.de, 2003.

5.d4 e4

6.Ba3 0–0 7.Bd6 cd6 8.Be2 Bd7 9.Qd2 Qc7 =+.

6.Ba3 Ba3 7.Na3 Qe7 8.Nb1 a6 9.c4 ab5 =+.

6.Ba3 a6 A) 7.Qd2 Ba3 8.Na3 ab5 9.Nb5 c6–/+; B) 7.c4 ab5 8.Bd6 Qd6 9.cd5 0–0=+; C) 7.Qc1 ab5 8.Bb5 c6 9.Bd6 Qd6–/+; D) 7.ba6 Ba3 8.Na3 Na6 9.Rb1 Qe7–/+; E) 7.Bd6 Qd6 8.ba6 Na6 9.c4 0–0=+.

6.Ba3 Be6 A) 7.c3 0–0 8.Bd6 Qd6 9.Nd2 a6=+; B) 7.Be2 a6 8.Bd6 Qd6 9.Nc3 0–0–/+; C) 7.Qc1 0–0 8.Bd6 Qd6 9.Nd2 a6–/+; D) 7.Qd2 a6 8.Qa5 0–0 9.Be2 Bg4=+; E) 7.Bd6 Qd6 8.Nd2 a6 9.ba6 Na6=+.

6.Ba3 Bg4 A) 7.Qd2 a6 8.Bd6 Qd6 9.Qa5 b6=+; B) 7.Ne2 a6 8.Bd6 Qd6 9.ba6 Na6=+; C) 7.Be2 Ba3 8.Na3 Qe7 9.Qc1 a6–/+; D) 7.Qc1 0–0 8.c4 dc4 9.Bc4 a6=+.

6.a4 0–0 7.Ba3=+ a6 8.Bd6 Qd6 9.Nd2 Bg4 10.Be2 Be6 11.h4 ab5–/+ 12.ab5 Nbd7 13.Nh3 Nb6 14.Nf4 Na4 15.Qc1 Nc3 16.Ra8 Ra8 17.Qb2 Ne2 18.Ne2 Qa3 19.Qa3=+ Ra3 20.Nb3 Ne8 21.Nc3 Nd6 22.Kd2 Nc4 23.Ke2 Kf8 24.f3 f5 25.Ra1= b6 26.Rg1 Ke7=+ 27.Rf1 g6 28.Rh1 Kd6 29.Rf1 h5 30.fe4 de4 31.Rc1 Bd7 32.g3 Ke7 33.Kf2 Ke6 34.Nb1 Ra8 35.Nc3 Nd6 36.d5 Ke5 37.Nd4 Ra3 38.Nb1 Ra1 39.Nb3 Ra4 40.Nc3 Rb4 41.Ne2 Nb5 42.Nd2 Kf6 43.Nb3 Bc8 44.Nf4 Bb7 45.c4 Na3 46.Nd2 Rb2 47.Ke1 Nc2 48.Ke2 Ba6 49.Ne6 c6 50.Nf4 c5 51.d6–/+ Nb4 52.Kd1 Ra2 53.Ng6 Ke6 54.Nf4 Kd6 55.Nh5 Ra3 56.Ke2 b5 57.Nf4 Na2–+ 58.Rc2 Nc3 59.Ke1 bc4 60.Rc1 Na2 61.Nc4 Bc4 62.Rc4 Re3 63.Kf2 Rf3 64.Kg2 Nc3 65.h5 Nd1 66.Rc1 Ne3 67.Kh3 Rf2 68.Kh4 Ng2 69.Ng2=+ Rg2 70.Rh1 Ke7 71.h6= Kf7 72.h7 Kg7 73.Kg5 Kh8 74.Kf5 ½–½. Haznedaroglu,Kivanc (1990) – Cottarelli,Franco (2185), corr ICCF WSTT/3/06/2, 2006.

6.a4 a6 7.Ba3 ab5 8.Bb5 Bd7 9.Bd7 Qd7 =+.

6.a4 Bb4 A) 7.Nd2 0–0 8.c3 Be7 9.Ba3 a6=+; B) 7.c3 Ba5 8.Nd2 c6 9.Nb3 Bc7=+.

6.a4 Bg4 A) 7.Qd2 a6 8.Ba3 0–0 9.h3 Be6=+; B) 7.f3 ef3 8.gf3 Bf5 9.Bd3 Bd3–/+; C) 7.Be2 Be2 8.Ne2=+ a6 9.Nd2 Qd7=+.

6.a4 Ng4 7.Be2 h5 8.c4 Qh4 9.Bg4 hg4 –/+.

6.c4 a6 A) 7.Nc3 ab5 8.Nb5 Bb4 9.Nc3 0–0=+; B) 7.cd5 Nd5 8.Nd2 Ne3 9.fe3 Qh4–/+; C) 7.ba6 Na6 8.c5 Be7 9.Qa4 c6=+; D) 7.Nd2 0–0 8.cd5 ab5 9.Bb5 Bb4=+; E) 7.Qc2 dc4 8.Bc4 ab5 9.Bb5 c6=+; F) 7.Ba3 ab5 8.Bd6 Qd6 9.cd5 0–0=+; G) 7.c5 Be7 8.Qa4 0–0 9.Nc3 b6=+.

6.c4+= Bb4 7.Bc3 (7.Nc3 0–0+=) 7...Bc3 (7...Be7!?+=) 8.Nc3= c6 (8...Nbd7 9.c5=) 9.c5 (9.cd5 Nd5 10.Ne4 0–0+=) 9...Bd7 (9...0–0 10.Rb1=) 10.a4 0–0 11.Qd2 (11.Nge2 a6=) 11...Be6 (11...a6 12.ba6 Na6 13.Ba6 Ra6 14.Nge2=) 12.Nge2= Nbd7 (12...b6 13.cb6 ab6 14.Nf4=) 13.Nf4+= Bf5 14.Be2 (14.h4 h6+=) 14...Qc7 (14...g5 15.Nh3 h6 16.0–0=) 15.h3 (15.h4 h6+=) 15...g5= 16.Nh5 Nh5 17.Bh5 Nf6 (17...b6 18.cb6 ab6 19.0–0=) 18.Be2+= h5 19.a5 Qd7? (better is 19...a6 20.ba6 ba6+/–) 20.a6+– b6 21.cb6 ab6 22.bc6 Qc6 23.Bb5 (23.0–0!? g4 24.hg4 Bg4+–) 23...Qc7 (23...Qd6 24.0–0+/–) 24.Ne2 Bd7 25.Bd7 (25.Qb4!?+–) 25...Qd7+/– 26.h4 (26.0–0 Ra7 27.Ra3 b5+=) 26...g4 (26...gh4 27.Nf4 Qb5 28.Qe2 Qb4 29.Kf1+=) 27.Nf4 (27.0–0!?+/–) 27...Qb5= 28.Qe2 Qe2?? (28...Qb4 29.Qd2 Qb5 30.Qa2=) 29.Ne2?? (better is 29.Ke2 Rfc8 30.Rhb1+/–) 29...Ra7= 30.0–0 Rfa8 31.Kh2 Ra6 32.Rab1 Rb8 33.Kg3 Kh7 34.Rfc1 Rb7 35.Rc6+/– The isolani on b6 becomes a target 35...Kg7 36.Rb2 Ra5 37.Rbb6 Rb6+/– 38.Rb6 Ra2 39.Nc3 Rc2 40.Na4 Nd7?? 41.Rd6+– Nf6 42.Nb6 Rc7?? 43.Nd5 Nd5 44.Rd5 Re7 45.Kf4 Kg6 46.Rg5 Kh6 47.Re5 (47.Re5 Rb7 48.Re4+–) 1–0. Roman,Josemar Cespedes – Mercado Robles,Yoan, Ladario BRA, 1st Open, 2013.

6.c4 dc4 7.Bc4 0–0 8.Ba3 a6 9.Bd6 cd6 =+.

6.c4 dc4 7.Bc4 0–0 8.Qc2 a6 9.Nc3 ab5 10.Nb5 Bb4 11.Bc3 Na6 12.Rb1 Be7 13.d5 Nc5 14.Ne2 Nd5 15.0–0 c6 16.Rfd1 Bg4 17.Bd4 Nd3 18.Nbc3 Nc3 19.Bc3 b5 20.Rd3 ed3 21.Bd3 Be2 22.Qe2 Qd5 23.Qg4 g6 24.Rd1 Rfd8 25.Be2 Qa2 26.Rd8 Rd8 27.Bf1 Qc2 28.Be5 b4 29.e4 b3 30.g3 Bc5 31.Qf4 Rd2 32.Bc3 Bf2 33.Kh1 Qc3 (34.e5 Qc1–+) 0–1. Pierred (2160) – Pit73 (2555), Rated game, 2005.

6.c4 dc4 7.Bc4 a6 8.Nc3 ab5 9.Nb5 Bb4 =+.

6.c4 dc4 7.Bc4 Nbd7 8.Nc3 Nb6 9.Bb3 0–0 =.

6.c4 Be6 7.c5 Be7 8.Ne2 Bg4 9.h3 Bh5 =.

6.c4 Bg4 7.Qc2 dc4 8.Bc4 a6 9.Nc3 ab5 =.

6.Nd2 Ng4 7.c4 Nh2 8.cd5 Nf1 9.Kf1 Bf5=+ 10.Ne2 0–0 =+.

6.Nd2 Ng4 7.Be2 Qg5–/+ 8.Nh3 Qh4 9.Nf1 Nf6 10.Nf4 g5 11.g3 Qh6 12.Nh5 Nh5 13.Bh5 Bh3 14.Rg1 c6 15.Be2 cb5 16.Bb5=+ Nd7 17.Nd2 a6 18.Be2 b5 19.a4 0–0 20.ab5= ab5 21.Bb5 Rab8 22.Qe2 Nf6 23.Ra6 Rfd8 24.c4 Bg4–/+ 25.Qf1 dc4 26.Qc4 Qh2 27.Rf1 Bh3 28.Bc1 Rdc8 29.Rc6 Rc6 30.Bc6 Bb4 31.Kd1 Qg2 0–1. Haznedaroglu,Kivanc (1990) – Aymard,Michel (2010), corr ICCF WSTT/3/06/3, 2006.

6.Nd2 Ng4 7.g3 A) 7...Nf6 8.c4 Bb4 9.a3 Ba5 10.cd5 0–0=+; B) 7...Be6 B1) 8.Rc1 0–0 9.c4 Nf6 10.c5 Be7–/+; B2) 8.c4 Nf6 9.cd5 Bd5 10.Ne2 0–0=+; C) 7...Qf6 C1) 8.Qe2 Qf5 9.h3 Nf6 10.c4 dc4=+; C2) 8.Nh3 0–0 9.c4 Qh6 10.Qb3 dc4=+; D) 7...Bf5 8.c4 Nf6 9.cd5 Nd5 10.Bc4 Nb6=+; E) 7...0–0 8.c4 Bb4 9.cd5 Qd5 10.Rc1 Qf5=+; F) 7...Qg5 8.Nh3 Qh6 9.Nf4 Bf4 10.ef4 e3=+; G) 7...c6 G1) 8.bc6 Nc6 9.c4 Bb4 10.a3 Qf6=+; G2) 8.c4 0–0 9.bc6 bc6 10.c5 Be7=+; H) 7...Qd7 8.c4 Qf5 9.Nh3 0–0 10.cd5 Re8=; I) 7...Bb4 8.c3 Ba5 9.Nb3 c6 10.h3 Nf6=+.

6.Be2 0–0 7.Nd2 c6 8.c4 Be6 9.Nh3 Bh3 10.gh3 Qd7 11.Bg4 Ng4–+ 12.hg4 Qc7 13.h3 Nd7 14.f3 Bg3 15.Ke2 Bh4 16.a4 Qg3 17.Qf1 Nf6 18.Rg1 Qh2 19.Rg2 Qh3= 20.Qh1 Qh1 21.Rh1 g5 22.f4 Kh8 23.Ba3= Rfe8 24.Bd6 Nd7 25.Rgh2 Nf6 26.fg5+/– Bg5 27.Be5 Kg7 28.Bf6 Bf6 29.Rh7+/– Kf8 30.g5 Bg5 31.Rf1 f6 32.Rb7 Re7? 33.Re7 Ke7 34.bc6 Kd6 35.cd5 Kd5 36.c7 Rc8 37.Rc1 f5 38.Nb3 f4?? 39.ef4 Bf4+/– 40.Rc5 Kd6 41.Nd2 e3 42.Ne4 Kd7 43.Nf6+– Ke6 44.Nd5 Bd6 45.Ra5 Bc7 46.Rc5 Kd7 47.Nc7 Rc7 48.Rc7 Kc7 49.Ke3 Kd6 50.Ke4 a5 51.d5 Kd7 52.Ke5 Ke7 53.d6 Kd7 54.Kd5 Kc8 55.Ke6 Kd8 56.d7 1–0. Steingraeber,Barbara – Neffgen,Dieter, RSX9E – A00 – Sokolsky–1, 2002.

6.Be2 a6 7.ba6 Na6 8.Ba3 0–0 9.Bd6 Qd6 –/+.

6.Be2 c6 A) 7.a4 a6 8.bc6 Nc6 9.Ba3 Qa5=+; B) 7.Nd2 Qc7 8.c4 Be6 9.c5 Bh2–/+; C) 7.c4 dc4 8.Bc4 0–0 9.Nc3 a6=+.

6.c4 0–0

7.Qb3 a6 8.c5 Be7 9.Nc3 ab5 =+.

7.Qb3 dc4 c6 8.c5 Be7 9.Nd2 cb5=+) 8.Bc4 Nbd7 9.Qc2 Nb6 =+.

7.Qb3 c6 8.c5 Be7 9.Nd2 cb5 =+.

7.Qb3 Be6 8.c5 Be7 9.Ne2 c6 =+.

7.Qb3 Bf5 8.Ba3 Be6 9.Bd6 cd6 =+.

7.Qc2 dc4 8.Bc4 a6 9.Nc3 ab5 =+.

7.Qc2 c6 8.Nc3 Qa5 9.c5 Bc7 =+.

7.Qc2 c6 8.Nc3 cb5 9.c5 Bc7 10.Nb5 Nc6 =+.

7.Qc2 c6 8.Nc3 Qc7 9.Rc1=+ Qa5 10.bc6 Nc6–/+ 11.cd5 Nb4 12.Qd2=+ Qd8 13.Bc4 a6 14.Ba3 b5–/+ 15.Be2 Nbd5 16.Bc5 Be6 17.a4 ba4 18.Bd6=+ Qd6 19.Na4 a5 20.Ra1 Rfb8–/+ 21.Nc5 a4 22.f3 Bf5–+ 23.Bc4 ef3 24.Nf3–/+ Ne4 25.Ne4=+ Be4 26.0–0 Qb4 27.Qa2 Nc3 28.Bf7 Kh8 29.Qf2 a3 30.Ng5 Qe7 31.Ne4+= Qe4 32.Bh5 Qe7 33.Bf3 Ra4 34.Qd2+= Rc8 35.Bg4 Rc7 36.Bf5 g6= 37.Bc2 Ra8 38.Bb3 Qd6 39.Rf7 Rf7 40.Bf7 Qb4 41.Qf2 Kg7 42.Be6 Rf8–/+ 43.Qe1 a2 44.h3 Rf6 45.Ba2 Na2 46.Qb4 Nb4 47.Ra7 Rf7–/+ 48.Ra3 h6 49.Rb3 Nd5–/+ 50.g3 Nf6 51.Kg2 Ne4 52.Rb2 Re7 53.Rc2 Re6 54.h4=+ Rf6 55.d5 Rf5 56.Rc4? Nd6–+ 57.Rd4 Kf6 58.g4 Re5 59.Kf3 Re7 60.Ra4 Ke5 61.Ra5 Rc7 62.g5 Rf7 63.Kg3 Nf5 64.Kf3 h5 65.d6 Kd6 66.Ra6 Kc5 67.e4 Nd6 68.Ke2 Rf4 69.e5 Re4 70.Kd3 Re5 71.Ra5 Nb5 72.Ra8 Rd5 73.Ke3 Nd6 74.Rg8 Nf5 75.Ke4 Rd6 76.Rc8 Rc6 77.Ra8 Nh4 78.Kf4 Kb4 79.Re8 Rc4 80.Re4 Nf5 81.Ke5 Re4 82.Ke4 Ng7 83.Kf4 Ne6 84.Kg3 Ng5 (85.Kf4 Ne6 86.Ke5 Nc5–+) 0–1. bambinik – lamedame, internet, 2002.

7.Qc2 Be6 8.c5 Be7 9.Ne2 a6 =+.

7.Qc2 Re8 8.Nc3 c6 9.c5 Bc7 =+.

7.Qc2 Bf5 8.Nc3 c6 9.c5 Be7 =+.

7.Nc3 a6 8.cd5 Bb4 9.Qb3 Nd5 =+.

7.Nc3 dc4 8.Bc4 Nbd7 9.Nge2 Nb6 =+.

7.Nc3 c6 8.cd5 cd5 9.h3 Be6 10.Nge2 Nbd7 11.Nf4 Bf4 12.ef4 Nb6 13.Ba3 Re8 14.Bc5 Nfd7 15.Bb4 Rc8 16.g3 Qf6 17.Rc1 Nc4 18.Qb3 a5 19.ba6 ba6 20.Nd1 Qd4–+ 21.Bc4 Rc4 22.Rc4 dc4 23.Qc3 Qd3 24.Qd3 ed3 25.Kd2 Rb8 26.Bc3 Nc5 27.Re1 Bh3 28.Nb2 Be6 29.f3 g6 30.g4 Rd8 31.Rc1 Nb7 32.f5 Bd5 33.Bb4 a5 34.Ba3 Rc8 35.Nd3 Rd8 36.Nf2 Bf3 37.Ke3 Bd5 38.Nd1 f6 39.Nb2 Re8 40.Kd4 Bf3 41.Rc4 Re4 42.Kc3 Rg4 43.Rc8 Kg7 44.Rc7 Kh6 45.Nc4 gf5 46.Ne3 Ra4 47.Kb3 Re4 48.Nd5 Re1 49.Bf8 Kg5 50.Rg7 Kh4 51.Rh7 Kg3 ½–½. Winiger,Albert (1820) – Hort,Wolfgang (1845), KO–014 VCC, 2001.

7.Nc3 Be6 8.c5 Be7 9.Nge2 b6 =.

7.Nc3 Bg4 8.Qc2 c6 9.Rb1 Qa5 =+.

7.c5 Be7 8.Nc3 a6 9.Qa4 b6 =+.

7.cd5 Nd5 8.Nc3 Bb4 9.Rc1 Be6 10.Qc2 Qh4 11.g3 Qd8 12.Nge2 a6 13.a3 Ba5 14.ba6 Ra6 15.Bg2 f5 16.0–0 Rc6 17.Qa4 Bc3 18.Nc3 Rb6 19.Nd5 Bd5 20.Qc2 Nc6 21.Qe2 Qg5 22.Rc5 Rd8 23.f4 Qg6 24.Rfc1 Rb3 25.a4 Qf7 26.a5 Qe6 27.R5c3 Rb4 28.R3c2 Ra4 29.Bc3 Bb3 30.Rb2 Na5 31.Ba5 Ra5 32.Rc7 Bd5 33.Rbc2 b5 34.Qh5 Ra1 35.Kf2 Raa8 36.Bh3 Rf8 37.Qg5 Qg6 38.Qg6 hg6 39.g4 g5 40.gf5 gf4 41.ef4 Ra3 42.R2c3 b4 43.Rg3 Rg3 44.hg3 b3 45.Rc1 Rb8 46.Rb1 b2 47.Bg2 e3 48.Ke3 Bg2 49.Kd3 Bd5 50.Kc3 Rb3 51.Kc2 Rg3 52.Rb2 Kf7 53.Rb5 Be4 54.Kd2 Rd3 55.Ke2 Rd4 56.Ke3 Rc4 57.Re5 Bc2 58.Rb5 Kf6 59.Rb6 Kf5 60.Rb5 Ke6 61.Rb7 g6 62.Rb6 Kd5 63.Rb5 Kd6 64.Ra5 Bf5 65.Ra1 Rc3 66.Kd2 Rd3 67.Ke2 Kd5 68.Kf2 Bg4 69.Ra6 Bh5 70.Ra4 Ke6 71.Ra5 Rf3 72.Kg2 Rf4 73.Kg3 Rf3 74.Kh4 Rf1 75.Ra6 Kf5 76.Ra5 Ke4 77.Ra4 Ke5 78.Ra5 Kd4 79.Ra4 Kd3 80.Kg3 Bf3 81.Ra3 Ke4 82.Ra4 Ke5 83.Ra7 g5 84.Rg7 g4 85.Re7 Kd5 86.Rd7 Ke6 87.Rd8 Rb1 88.Re8 Kf5 89.Rf8 Ke4 90.Re8 Kd3 91.Re7 Rg1 92.Kf4 Bd5 93.Re3 Kd4 94.Ra3 Be6 95.Ra4 Kd3 96.Ra3 Kd2 97.Ke5 Re1 98.Kf4 Rf1 99.Kg3 Ke2 100.Ra5 Rf3 101.Kg2 Rf5 102.Ra4 Rf2 103.Kg3 Rf3 104.Kg2 Re3 105.Ra5 Kd2 106.Rg5 Kd1 107.Kf2 Re2 108.Kg3 Ke1 109.Rh5 Re3 110.Kg2 Bc4 111.Rh1 Ke2 112.Rh5 0–1. COMP – COMP, 2002.

6.Qd2 a6

7.Ba3 ab5 8.Bb5 c6 9.Bd6 Qd6

10.Be2 0–0 A) 11.a4 A1) 11...b5 12.a5 Ne8 13.Qc3 Na6 14.Nd2=+; A2) 11...Bg4 12.c4 dc4 13.Bc4 Nbd7 14.a5=+; A3) 11...b6 12.Qc3 c5 13.Bb5 Bd7 14.Ne2–/+; B) 11.c4 dc4 12.Bc4 Na6 13.Ne2 b5 14.Bb3=+.

10.Be2 b5

11.a3 A) 11...Be6 12.Ra2 0–0 13.Rb2 Na6 14.Qc3–/+; B) 11...0–0 12.Ra2 Bg4 13.Rb2 Na6 14.f3–/+; C) 11...Bd7 12.c3 Ng8 13.Qc2 Ra4 14.Bd1=+; D) 11...Bg4 12.Qd1 Bf5 13.c3 0–0 14.a4–/+; E) 11...Bf5 12.Qc3 0–0 13.h3 Nbd7 14.Ra2–/+.

11.Qc1 A) 11...Bg4 12.Nd2 Be2 13.Ne2 Nbd7 14.Ng3–/+; B) 11...Be6 12.Qb2 Bg4 13.Bg4 Ng4 14.h3–/+; C) 11...0–0 12.Qb2 Bg4 13.Nd2 Be2 14.Ne2–/+; D) 11...Qc7 12.Qb2 Qa5 13.c3 Bg4 14.Bg4=+; E) 11...Bd7 12.Nd2 0–0 13.Qb2 Bg4 14.Bg4–/+; F) 11...Qe7 12.c3 Bg4 13.Qd1 Be2 14.Ne2=+; G) 11...Bf5 12.c3 0–0 13.Qc2 Bg4 14.a4–/+.

11.c3 A) 11...Be6 12.Qc2 Bg4 13.a4 0–0 14.Nd2=+; B) 11...Bd7 12.h3 0–0 13.Bd1 Na6 14.Ne2=+; C) 11...0–0 12.Qd1 Ne8 13.a4 Qg6 14.g3=+; D) 11...Bf5 12.Bd1 0–0 13.Ne2 Nbd7 14.Ng3–/+.

11.Qc3 0–0 12.Nd2 Be6 13.Nb3 Nbd7 14.h4 Ra3 15.Nh3 Bh3 16.Rh3–/+ Rfa8 17.Kf1 Nb6 18.Rg3 Ra2 19.Ra2 Ra2 20.Kg1 b4 21.Qd2 Na4 22.Rg5 Nc3 23.Re5 c5! 24.Nc5 Ra1 25.Kh2 Nd7 26.Nd7 f6 27.Bg4 fe5 28.de5 Qg6 29.f3 h5 30.Bh3 Qa6 (31.Qf2 Rf1–+) 0–1. Haznedaroglu,Kivanc (1990) – Ling,A J (2060), corr ICCF WSTT/3/06/3, 2006.

11.Nc3 A) 11...Ra3 12.Rb1 0–0 13.Bb5 Rc3 14.Qc3=+; B) 11...Qa3 12.Rb1 Ba6 13.Rb3 Qd6 14.f3=+; C) 11...Ba6 12.a4 b4 13.Nd1 Nbd7 14.a5=+; D) 11...Be6 12.a4 0–0 13.a5 Na6 14.Nb1–/+; E) 11...Bf5 12.a4 0–0 13.a5 Na6 14.Nd1=+; F) 11...Bg4 12.a4 0–0 13.Bg4 Ng4 14.h3–/+; G) 11...0–0 12.a4 Nbd7 13.a5 b4 14.Nb1–/+.

11.Qd1 Qb4 12.Qd2 Qb2 13.Qc3 Ra2 14.Qb2 =+.

11.Bd1 A) 11...0–0 12.Ne2 Nbd7 13.Nf4 Rd8 14.Be2–/+; B) 11...Bg4 12.Bg4 Ng4 13.Qd1 Nf6 14.Nd2–/+; C) 11...Nbd7 12.Ne2 0–0 13.Ng3 Nb6 14.Be2–/+.

11.Bf1 A) 11...Bf5 12.c3 Be6 13.Ne2 0–0 14.Ng3–/+; B) 11...Bg4 12.Nc3 Qa3 13.h3 Be6 14.Nge2–/+; C) 11...0–0 12.Ne2 Nbd7 13.Ng3 Nb6 14.Be2–/+.

11.h3 Nbd7 12.c3 Nb6 13.a3 Ng8 14.Ra2 –/+.

5.Be2 0–0

6.a4 c6 7.Ba3 Be6 8.Bd6 Qd6 9.h3 Nbd7 10.Nf3 c5 11.d3 h6 12.0–0 Nh7 13.Nbd2 f5 14.c4 d4 15.e4 f4 16.Nh2 Nhf6 17.Ng4 Ng4 18.Bg4= Nf6 19.Be6 Qe6 20.Kh2 g5 21.g4 Kg7 22.Kg2 Rh8 23.f3 h5 24.Qe2 Rh6 25.Rg1 Rah8 26.Kf1 hg4–+ 27.hg4 Rh4 28.Nb3 Nd7 29.a5 Qh6 30.Ke1=+ Rh2 31.Rg2 Qh4 32.Kd2 Rh1 33.Rag1 Kf6 34.Qf1 Rh3 35.Ke2 Ke6 36.Qf2 Qh7 37.Ra1 Kd6 38.a6 b6 39.Rag1 Nf8 40.Nd2 Ng6 41.Kd1 Qg7 42.Qe2 R8h7 43.Rf2 Qh8 44.Kc2 Rh1 45.Rgf1 R7h3 46.Rh1=+ Rh1 47.Nf1 Qh3 48.Kd2 Nh4 49.Kc2 Rg1 50.Kd2? Ng2 51.Kd1?? Ne3 52.Ke1 Qh1 53.Kd2 Nf1 54.Kc2 Ne3 55.Kb3 Rb1 56.Ka4 Ra1 57.Kb3 Qb1 58.Qb2 Qd1 59.Rc2 Nc2 60.Qc2–+ Qc2 61.Kc2 Rf1 (62.Kb3 Rf3 63.Kb2 Re3 64.Kb1 f3 65.Kc1 Re2 66.Kd1 Ke6 67.Kc1 f2 68.Kd1 f1Q#) 0–1. Saarenpaa,Toivo – Helander,Olli, FIN–chT2, 2005.

6.c4 a6 7.a4 ab5–/+ 8.ab5 Ra1 9.Ba1 dc4 10.Bc4 Nbd7 11.Nf3 e4 12.Nd4 Ne5 13.Be2 Bg4 14.0–0 Qd7 15.f3 ef3 16.Nf3 Bf3 17.gf3 Qf5 18.Bd4 Ra8 19.f4 Ned7 20.Nc3 Bc5 21.Bc5 Nc5 22.Bf3 Qg6 23.Kh1= Qd3 24.Be2 Qf5=+ 25.d4 Nce4 26.Bd3 Ra3 27.Ne4 Ne4 28.Be4 Qe4 29.Qf3 Qf3 30.Rf3 Rb3 31.Kg2 Rb5 32.Rf2 f5 33.Rc2 c6 34.Ra2 Kf7 35.Ra8 Rb2 36.Kg3 Kf6 37.Rf8 Kg6 38.h3 h6 39.Kf3 Rb5 40.Re8 Kh5 41.Kg3 g6 42.Re6 Rb3 43.Kf3 Rc3 44.Re7 b5 45.Rb7 g5 46.Rf7 g4 47.hg4 fg4 48.Ke2 Kh4 49.Rg7 b4 50.f5 b3 51.f6 Rc2 52.Kd1 Rf2 53.Kc1 Rf6 (54.Kb2 g3–+) 0–1. Buczinski,Henryk – Preuss,Guenter, corr 3GMM–34, 1997.

6.c4 dc4 7.Bc4 a6 8.Nc3 –/+.

6.d3 Nbd7 7.Nd2 Qe7 8.Ngf3 e4 9.Nd4 Ne5 10.N4b3 Re8 11.d4 Ng6 12.c4 Nf4 13.ef4+/– e3 14.0–0?? ed2–/+ 15.Bf3 Bf4 16.Nd2 Qb4 17.Bc1 Bf5 18.Nb3=+ Bc1 19.Rc1 dc4 20.Nc5 Ne4 21.a3 Qa3 22.Nb7 Rab8 23.Be4=+ Be4 24.Nc5 Bd3 25.Qf3 Rb5 26.Rc4 Bf1–+ 27.Qa3 Bc4 28.h3 a6 29.Qg3 c6 30.h4 a5–+ 31.h5 h6 32.f4 Bd5 33.Nd7 Rb1 34.Kh2 Ree1 35.Qg4 Rh1 36.Kg3 Rb3 37.Kf2 Rb2 38.Kg3 Rg2# 0–1. Bjelstrand,Kim – Fries Nielsen,Jens Ove (2300), DEN–chJ int Ribe, 1978.

6.Nf3 e4 7.Nd4 c5 8.bc6 bc6 =+.

6.Nf3 Re8 7.0–0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 e4 11.Ne1 c5 12.bc6 bc6 13.f4 Na6 14.g3 Nc5 15.Ng2 Bh3 16.Rf2 Qe7 17.Bd4 Ne6 18.Bc3 Ra8 19.d4 Qa7 20.Nd2 Qb6 21.Nb3 Ra2 22.Qb1 Qa7 23.Bf1 Ng4 24.Re2 Be7 25.Ne1 Bf1–+ 26.Kf1 Qa6 27.h3 Ne3 28.Kf2 Nf5 29.Ng2 Ng3! 30.Re1 Nf5 31.Nc1 Ra3 32.Ne2 Qc4 33.Qb2 Ra2 34.Qb8 Bf8 35.Rc1 Ned4 36.Bd4 Nd4 37.Nd4 Qd4 38.Kf1 Qd2 39.Qb1 Ra3 (40.c3 Ra2 41.Qa2 Qa2–+) 0–1. Frenzel,Lothar – Minge,B, corr we cup pr, 1994.

6.h4 a6 7.Nf3 Nbd7 8.Nc3 –/+.

6.h4 Be6 7.h5 c6 8.h6 g6 9.Nf3 cb5 10.Be5 Be5 11.Ne5 d4 12.e4? Ne4–/+ 13.Bb5?? Qd5–+ 14.Bc4 Qe5 15.Be6 Ng3 16.Qe2 0–1. manofsteel5 – designs, Live Game Caissa's Web, 2005.

6.Nf3 Nbd7

7.c4 e4

8.Nd4 dc4 9.Na3=+ a6 10.ba6 Ra6 11.Nc4 Bc5 12.0–0 Bd4 13.Bd4 =.

8.Nd4 dc4 9.Na3=+ Be7 10.Nc4 a6 11.ba6 Ra6 12.0–0 c6 13.a4 =.

8.Nd4 Nc5 9.0–0 a6 10.ba6 Ra6 11.Qc2 Rb6 12.Nb3 Na4 13.Ba3 =+.

8.Nd4 Nc5 9.0–0 dc4 10.f3 Nd3 11.Ba3 Be5 12.Bf8 Kf8 13.Bd3 –/+.

8.Nd4 Nc5 9.Qc2 dc4 10.Bc4 a6 11.ba6 Na6. secgestor – LyleCherner, internet, 2007.

8.Nd4 Nc5 9.cd5 Nd5 10.0–0 Qh4 11.f4 Rd8 12.Nb3 Bf5 13.Nd4 =+.

5.Nf3 e4

6.Nd4 c6 7.a4 0–0 8.Be2 c5 9.Nb3 b6 10.c4 Be6 (better is 10...dc4!? 11.Bc4 Nbd7–/+) 11.Bf6= Qf6 (worse is 11...gf6 12.cd5 Bd5 13.Nc3+/–) 12.cd5 Bd5 13.Nc3 Be6 (better is 13...Bb7+=) 14.Ne4+/– Qe7 15.Nd6 Qd6 16.d4 cd4 (16...Nd7 17.dc5 Qe5 18.0–0 Bb3 19.Qb3 Nc5 20.Qb4+/–) 17.Nd4 Re8? (better is 17...Qb4 18.Qd2 Qd2 19.Kd2 Nd7+/–) 18.Ne6+– Qe6 19.Bf3 Qc4 (19...Nd7 20.Ba8 Ra8+–) 20.Ba8 Qb4 (20...Qc3 21.Ke2+–) 21.Qd2 Qd2 22.Kd2 Rd8 (22...Nd7 23.Bc6 Rd8 24.a5+–) 23.Ke2 Nd7 (23...Kf8 24.Rhd1 Ke7 25.Rd8 Kd8 26.a5+–) 24.Rhd1 Kf8 25.Rac1 Ke7 26.Rc7 1–0. pierre – anony, internet, 2015.

6.Nd4 c6 7.a4 c5 8.Nb3 Be6 (8...c4 9.Nd4=+) 9.Be2 b6 (9...Nbd7 10.a5=+) 10.0–0 (10.a5 Nbd7=) 10...0–0 11.d3 (11.a5 ba5 12.Na5 Nbd7=) 11...Be7 (11...a6 12.de4 Ne4 13.N1d2=+) 12.N1d2 (12.de4 Ne4 13.f3 Nf6=) 12...Nbd7 (12...ed3 13.cd3 (13.Bd3? c4–+) 13...a6 14.ba6 Na6 15.Re1=) 13.f3 (13.de4 de4 14.a5 Qc7=) 13...ef3 (13...ed3 14.cd3 (14.Bd3? c4–+) 14...a6 15.f4=) 14.Bf3 (14.Nf3 a6=) 14...Rc8 (14...Bd6 15.c4=) 15.c4 h6 (15...h6 16.a5 Re8+=; better is 15...Bd6=) 16.Qe2 Re8 17.a5 Nf8 18.ab6 ab6 19.e4 d4 20.Rf2 Ng6 21.Nf1 Qd7 22.Ng3 Bg4 23.Ra6 Rb8 24.Bc1 Bd6 25.Bg4 Qg4 26.Qg4 Ng4 27.Rf1 Bg3 28.hg3 Rb7 29.Nd2 N4e5 30.Ra3 Rbb8 31.Nf3 Ra8 32.Kf2 Ra3 33.Ba3 Nd3 34.Ke2 Nde5 35.Nd2 Ra8 36.Bc1 Ra4 37.Rf5 Nc4 38.Rd5 Nd2 39.Bd2 Ra3 40.Rd6 Rg3 41.Kf2 Rb3 42.Rb6 c4 0–1. Acevedo,Daiana – Diaz,Genasa, Mendoza, 2002.

6.Nd4 c6 7.bc6 bc6 8.Be2 0–0 =+.

6.Nd4 Bd7 7.Nc3 c5 8.bc6 Nc6 9.Rb1 (9.Ncb5 Be7=+) 9...0–0 (9...Nd4 10.ed4 0–0 11.Nb5–/+) 10.Be2 (10.Ncb5!? Be7 11.Ne2=+) 10...Nd4–/+ 11.ed4 a6 12.0–0 Bc6 13.d3 e3 (13...Qc7!?–/+) 14.fe3=+ Qc7 15.g3 Bg3 16.Bg4 (better is 16.hg3 Qg3 17.Kh1 Qh3 18.Kg1 Qg3 19.Kh1 Qh3 20.Kg1 Qg3=) 16...Bh2–/+ 17.Kh1 Qg3 18.Qf3? (better is 18.Rf3 Qg4 19.Kh2–+) 18...Ng4 (18...Qg4?! 19.Kh2 Rfe8 20.Bc1–+) 19.Qg3 Bg3 20.Ne2 Nf2 21.Kg2 Bh4 22.Ba3 Rfe8 23.Rf2 Bf2 24.Kf2 g5 25.Rg1 f6 26.Ng3 Kg7 27.Nf5 Kg6 28.Nd6 Re6 29.c4 Rd8 30.e4 Red6 31.Bd6 Rd6 32.cd5 Bd5 33.ed5 Rd5 (34.Rb1 b5–+) 0–1. beyonze1 – luckyman6, Live Game Caissa's Web, 2004.

6.Nd4 Be5 7.Be2 =+.

6.Ng5 0–0 7.d3 h6 8.Nh3 a6 9.d4 (9.Nf4!?–/+) 9...ab5 10.Bb5 Ng4 (10...Bh3 11.gh3 Nbd7 12.f4–+) 11.a4 (11.Nf4 Qg5 12.Qd2 Nf6–/+) 11...Qh4 (11...Bh2?! 12.g3+=) 12.Qc1 Nc6 13.Bc6 bc6 14.Nc3 f5 (14...Bh2 15.Ne2–/+) 15.Ne2 g5 16.g3?? (better is 16.c4+=) 16...Qh3–+ 17.Ba3 (17.Kd2 Nh2 18.Qe1 f4–+) 17...Qg2 18.Kd2 Nh2 19.Bd6 (19.Kc3 Ra4 20.Bd6 Ra1 (20...cd6?! 21.Ra4 Qf2 22.Qg1 Qg1 23.Rg1–/+) 21.Qa1 cd6–+) 19...cd6 20.Rh2 (20.Kc3 Qf2 21.Qg1 Qe2 22.Rh2 Qc4 23.Kd2 Qb4 24.Kc1 Rf6–+) 20...Qh2 21.Qh1 Qh1 22.Rh1 Kg7 23.Ra1 Kg6 24.a5 Ba6 25.Ke1 (25.Ng1 Rfb8–+) 25...Be2 26.Ke2 Rfb8 27.a6 Ra7 28.Ra2 Rb6 0–1. Tiedemann,Joern (2020) – Knoeppel,Bjoern (2125), RSS7E starter–25, 2011.

6.Nd4 0–0

7.c4 dc4 8.Bc4 Nbd7 9.f3 Nh5 (9...Ne5 10.Be2 a6 11.Nc3 ab5 12.Ncb5+=) 10.g3 (10.0–0 Ne5 11.Be2 ef3 12.Bf3 Nf6=) 10...Nb6 (10...Ne5!? 11.Be2 Nd3 12.Bd3 ed3+=) 11.Bb3= Bh3 (11...Be5 12.fe4 Nf6 13.Nc6 bc6 14.Be5 cb5 15.0–0 Ne4 16.Qc2=) 12.Qe2 (12.Nc3 Nf6 13.Ne4 Ne4 14.fe4 Qf6+=) 12...a6 (12...Bc5 13.fe4 g6 14.Qf3+=) 13.fe4 (13.Nc3 ef3 14.Qf3 Nf6 15.ba6 ba6=) 13...Qg5 (13...Nf6 14.ba6 Ra6 15.Nc3+=) 14.ba6 Qg6?? (better is 14...Ra6 15.Nf3 Qg6=) 15.ab7+– Qe4?? (15...Ra7 16.e5! Be5+–) 16.ba8Q (16.ba8R?? Qh1 17.Kf2 Qg2 18.Ke1 Qg1 19.Qf1 Qf1; 16.Qh5?? Qh1 17.Ke2 Qf1) 16...Na8 (16...Qa8 17.Rg1 (17.Qh5 Qh1 18.Ke2 Qf1) 17...Nf6 18.Qf3+–) 17.Rg1 (17.Qh5?? Qh1 18.Ke2 Qf1) 17...c5 (17...Qg6 18.Bc2 f5 19.Nc3+–) 18.Qf3 (better is 18.Qh5 cd4 19.Qh3 de3+–) 18...Qg6 (18...Qe5 19.Na3 Nb6 20.Ndb5 Qb2 21.Rb1+– (21.Nd6?! Qa1 22.Kf2 Qf6+–)) 19.Bc2 f5 (19...Qg4 20.Qg4 Bg4 21.Nf5 Bf5 22.Bf5+–) 20.Qd5 Kh8 21.Ne6 Nc7 (21...Re8 22.Qd6 Qe6 23.Qe6 Re6 24.Bf5 Bf5 25.Rf1+–) 22.Nf8 Bf8 23.Qc4 Nf6 (23...Qe8 24.Ba4 Qd8 25.Qf7+–) 24.Bf6 gf6 25.Bb3 (25.Nc3 Bg4+–) 25...f4 (25...Bd6 26.Qd3 Be5 27.Nc3+–) 26.Qf7 (26.Qf4!? Ne6 27.Qb8 Kg7+–) 26...Qf7 27.Bf7 f3 (27...fe3 28.de3 Bh6 29.Kf2+–) 28.Nc3 1–0. Leon Manas,Jose Francisco (1695) – Rodriguez Perez,David (2025), Championship de Canarias por Equ, 2011.

7.c4 c5 8.bc6 Nc6 9.cd5 Nd5 10.Nc6 bc6 11.Nc3 Rb8 12.Qc1 f5 13.Bc4 Be6 14.Nd5 cd5 15.Bb3 f4 16.ef4 Bf4 17.Qc3 Rf7 18.g3 Rc8 19.Qd4 Bg5 20.Qa4? (better is 20.Qe5 Rc6 21.Rb1–+) 20...Bd2! 21.Kd2 Rf2 22.Ke1 Rb2 23.Qd4 (23.Qb4 Qc7 24.Rd1–+) 23…Qa5 (23...Qa5 24.Kf1 Bh3 25.Kg1 Rg2 26.Kf1 Rf8 27.Qf6 Rf6) 0–1. Champion,William R (1840) – Steinman,Arthur, S70141 ICCF, 2007.

7.d3 c5–/+ 8.bc6 Nc6 9.Be2 (9.Nd2 Bd7–/+) 9...Qb6 10.Bc3 Be5 11.Nc6 Bc3 12.Nc3 Qc6 (12...bc6?! 13.0–0=) 13.Qd2 Be6 14.0–0 (14.a4!? Rfc8 15.Nb5 Qc2 16.Nd4–/+) 14...Rac8 15.Nd1 (15.Nb1–+) 15...Qc2 16.Qc2 Rc2 17.Re1 Rfc8 18.de4 (18.Rb1 b6–+) 18...de4 (18...Ne4?! 19.f3 Nc5 20.Bb5–+) 19.h3 (19.Rb1 R8c7 20.a4 Nd5–+) 19...Ra2 20.Ra2 0–1. Hovla1 – Prince W, ChessWorld.net, 2015.

7.Be2 a6 8.0–0 c5 9.Nb3 ab5 10.Bb5 Ng4 11.g3 Nh2 (12.Kh2 Qh4 13.Kg1 Bg3 14.fg3 Qg3 15.Kh1 Bg4–/+; Better is 11...Ne5!? 12.f4 Nf3 13.Rf3 Bg4–/+) 0–1. Neffgen,Dieter – Bock,Michael, R.–Tobies–Gedenkturnier–D, 2003.

7.Be2 Bd7 8.0–0 Be5 9.c4 c5 10.bc6= Nc6?? 11.Nc6+– (11...Bh2 12.Kh2 Bc6 13.c5+–) 1–0. Miraglia,Jorge – Bosman, email CTON, 1996.

7.Be2 c5

8.Nb3 a6 9.a4 Bd7 10.0–0 ab5 11.ab5 Ra1 12.Ba1 Qc7 (12...c4 13.Nd4+=) 13.g3 (13.Bf6!? gf6 14.Kh1=) 13...Bh3 14.Re1 Nbd7 15.Bf1 Bg4 16.Be2 Be6 17.d3 Be5 (17...Ra8 18.Nc3–/+) 18.N1d2 Ba1 19.Qa1 Ne5 (19...Nb6!?+=) 20.de4= de4 21.c4 Rd8 (21...b6 22.Qb1 Bf5 23.f4 ef3 24.Qf5 fe2 25.Re2+=) 22.Bf1 (22.b6!? Qb8 23.Rd1=) 22...b6 23.h3 Qd7?? (23...Bf5 24.Bg2+=) 24.Kh2?? (better is 24.Qe5 Re8 25.Ne4 Bc4 26.Qf6 Re4 27.Qf3+–) 24...Nd3+= 25.Re2 h5 26.Bg2 Nb4 27.Qe5 Will e4 fall? 27...Bg4 28.f3 ef3 29.Nf3 Re8 30.Qb2 Bf3 31.Bf3 Qd3 32.Qa3 Nc2 33.Rd2?? Qd2!! 34.Nd2 Na3 35.e4 Rd8 36.Nf1 Nc4 37.g4 Ne5 38.Bg2 hg4 0–1. Starr,Albert Martin – Livschitz,Louiza (1890), San Francisco MI Carroll Capps Mem, 2005.

8.Nb3 Nbd7 9.0–0 Qc7 10.g3 Be5 11.c3 Ne8 12.f4 ef3 13.Bf3=+ Ndf6 14.Kg2 Nd6 15.d4 Bg3 16.hg3+/– c4 17.N3d2 Nb5 18.a4 Nd6= 19.Ba3 Nf5 20.Qe1–/+ Re8 21.e4 de4 22.Ne4 Ne4 23.Be4 Bd7 24.Nd2+/– Nd6 25.Qf2 Be6? 26.Bb7?? Rab8?? 27.Rab1?? Qd7?? 28.Bf3+– Bh3 29.Kh2 Bf1 30.Rf1 Rb6 31.Bg2 ½–½. Starr,Albert Martin – Krubnik,Ewelina (1750), San Francisco Stamer mem, 2005.

8.bc6 bc6 9.0–0 =+.

8.bc6 Nc6 9.0–0 Qb6 10.Bc3 Bd7 11.a4 Ne5 12.a5 Qc7 13.Na3 Ng6 14.g3?? Bh3 15.Re1 a6 16.f4 ef3 17.Nf3? Bg3! 18.Be5?? Ne5–+ 19.Ne5 Be5 20.Bf3 Ba1 21.Qa1 Qa5 (22.Re2 Ne4–+) 0–1. brit2345 – Caissa, Live Game Caissa's Web, 2005.

8.bc6 Nc6 9.0–0 Bd7 10.f3 Rc8 11.Nc6 bc6 12.c4 Rb8 13.Qc2 Qe7 14.cd5 Rb2 15.Qb2 Rb8 16.Qc2 ef3 17.Bf3 Qe5 18.Nc3 Bf5 19.Qa4 Qh2 20.Kf2 Bd3 21.Ne2 Bb5 22.Qa7+= Qh4 23.g3 Ng4 24.Bg4 Qg4= 25.Nf4 Bf1 26.Rf1 cd5 27.Qd4 Qg5 28.Nd5 Qg3 (29.Ke2 Be5 30.Ne7 Kh8=). Van Rooijen,Peter (1715) – Sanmartino,Gianluca (1820), SI–2003–0–00002, 2003.

8.bc6 Nc6 9.0–0 Bd7 10.f4 Rc8 11.a4 Re8 12.Nb3 Qe7 13.a5 a6 14.Nc3 Qd8 15.Qe1 Nb4 16.Qg3 Nc2 17.Nd5 Be7 18.Rab1 Be6 19.Ne7 Qe7 20.Nd4 Nd4 21.Bd4 Bd5 22.Rb6 Bc6 23.Rc1 g6 24.f5 Nd5 25.Bc4 Red8 26.fg6 fg6 27.Qg4 Ra8 28.d3 (28...Kf8 29.Rb3+–) 1–0. Rolly – Hflew, ACL–T055 playchess.de, 2003.

6.Nd4 c5

7.Nb3 Bd7 8.c4 Be6 9.Qc2 b6 10.Be2 Nbd7 11.0–0 Ne5 12.cd5= Nd5 13.a3 Rg8?? 14.Nc3 Nf6 15.Ne4+/– Ne4 16.Qe4 Ng6 17.Bc4 Kd7 18.Be6 fe6 19.Rfc1 Qg5?? 20.f4 Qd5 21.Qd5 ed5+/– 22.a4 Ne7 23.g4 g6 24.Kf2 h5 25.h3 hg4 26.hg4 a6 27.d3 a5 28.Rh1 c4 29.dc4+– dc4 30.Nd4 Bb4 31.Rac1 Rac8 32.Bc3 Nd5 33.Bb4 ab4 34.Nf3 Rc5? 35.Rc4!! Rc4 36.Ne5 Ke6 37.Nc4 Ra8 38.e4 Nf4 39.Nb6 Nd3 40.Ke3 Rd8 41.Rd1 b3 42.Rd3 Rh8 43.Nc4 Rh3 44.Kd4 Rh4 45.Rb3 Rg4 46.b6 (46…Rh4 47.b7+–) 1–0. Istvanny (1660) – Rob (1605), internet, 2007.

7.bc6 bc6 8.Be2 0–0 =+.

7.bc6 Nc6 8.Be2 0–0 9.c4 dc4 10.Bc4 Ng4 11.h3 (11.Nc6 bc6 12.Qc2 Rb8+=) 11...Qh4–/+ 12.Qe2?? (better is 12.0–0–/+) 12...Nf2!–+ 13.Rf1 (13.Qf2 Bg3 Decoy) 13...Nd3 14.Kd1 Nb2 (14...Nb2 15.Kc2 Nd4 16.ed4 Nc4 17.Qc4 Be6–+) 0–1. Thomsen,Jesper – Garau,Bernard, DEN–FRA, 2012.

7.bc6 Nc6 8.Be2 0–0 9.h3 Ne8 0–1. Naundorf,Maik – Schulz,Hans_Juergen, TSC, 2002.

5.Nf3 Bg4

6.c4 e4 7.h3 Be6 8.Nd4 Qe7 9.Ne6 fe6 10.Nc3 0–0 11.Be2 Nbd7 12.0–0 Ne5 13.d3 dc4 14.dc4 Rad8 15.Qa4 Bc5 16.Ne4 Ne4 17.Be5 Nf2 18.Rf2 Be3 19.Raf1 Qh4 20.Bf3 Rd2 21.Qb4 Bf2 22.Kh1 Rf3 23.gf3 Qh3 24.Bh2 Qf1 0–1. tightfist (2500) – rollerblade (2525), net–chess.com, 2014.

6.Be2 0–0 7.d4 e4–/+ 8.Nfd2 Qd7 9.h3 Be2 10.Qe2 c6 11.c4 cb5 12.cb5 Qc7 13.Nc3 Nbd7 14.a4 Nb6 15.a5= Nbd7 16.0–0 Rac8 17.Rfc1 Qd8 18.Nb3 b6 19.ab6 ab6 20.Ra7 Ra8 21.Rca1 Ra7=+ 22.Ra7 Qb8 23.Ra6 Rc8 24.Na2 Qb7 25.Ba3 Bc7 26.Nb4 Nb8 27.Ra4 Bd6 28.Na6 Ba3 29.Ra3 Na6 30.ba6 Qa7 31.Qb5 h6 32.Ra1 Ra8 33.Nc1 Kf8 34.Ne2 Ne8? 35.Qd5+– Nc7 36.Qe4 Na6 37.Qh7 Qb7 38.Qh8 Ke7 39.Qg7 Nc7 40.Ra8 Qa8 41.Qe5 Ne6 42.d5 Qa5 43.Nf4 Qe1 44.Kh2 Qf2 45.de6 f6 46.Qc7 (46...Ke8 47.Qd7 Kf8 48.Qf7#; 46.Ng6 Ke8 47.Qb8#) 1–0. Boysan,Ferit (2150) – Ruiz Mares,Jose (1680), Internet Section, 2004.

6.Be2 e4 7.Nd4= Be2 8.Qe2 0–0 (8...Be5 9.0–0=) 9.0–0 c5 10.bc6 bc6 11.Nf5 Bc7 12.d3 Re8 (12...Qd7 13.de4 de4 14.Nd4+=) 13.Nd2 g6 (13...Qd7 14.Bf6 Qf5 15.Bd4=) 14.Nh6 Kf8 15.Bd4 (15.Ng4 Nbd7=) 15...Nbd7 16.Rab1 c5 17.Ba1 Nb6 18.Ng4 Ng4 19.Qg4 f5 20.Qh3 Kg8 21.Qh6 Be5 (21...Qe7 22.Rb5=) 22.Be5+= Re5 23.f3 (23.Nb3 d4+=) 23...Qd7 24.Qf4 (24.Nb3 ed3 25.cd3 c4=) 24...Rae8+= 25.d4 cd4 26.ed4 R5e6 27.fe4 de4 28.Nb3 Qd5 29.Qg3 e3 30.Rbe1 Nc4 31.Re2 R6e7 32.a4 Kh8 33.Rf3= Qd7 34.a5 Qa4 35.h4 Qb4 36.h5 gh5 37.Rf5 Rg7 38.Qh2 Reg8 39.Qh5 Qe7 40.Rf4 Qc7 41.Qf5 Nd6 42.Qf6 Qc4 43.Re3+– Qc2 44.Rg3 Ne8 45.Qe5 h6 46.Nc5 Kh7 47.Rg7 Ng7 48.Ne4 Qd1 49.Kh2 Qh5 50.Kg1 Qd1 51.Rf1 (51.Rf1 Qd3 52.Nf6 Kh8 53.Ng8 Kg8 54.Qb8 Kh7 55.Qa7 Qe3 56.Kh2+–) 1–0. Tiedemann,Joern (1995) – Mantau,Jan (1975), RSS7E basic–34, 2010.

6.h3 Bf3 7.gf3 0–0 8.a4 Nbd7 9.Rg1 Qe7 10.Nc3=+ c6 11.Ne2 Ne8 12.c4 f5 13.cd5 cd5 14.Qb3 Qf7 15.Nc3 Nef6 16.f4 Rac8 17.fe5= Ne5 18.Bg2 f4 19.Nd5+= Kh8 20.ef4 Nh5 21.Be5 Be5= 22.Rb1 Nf4=+ 23.Nf4 Qf4 24.Qe3= Qa4 (25.Qe5 Rfe8=+). Benassi,Aspasio (2150) – Canovas,Miguel Angel, WC.2005.P.00006, 2002.

6.h3 Bf3 7.Qf3 Nbd7 8.c4 c6 (8...e4 9.Qd1 Be5 10.Be5 Ne5 11.cd5 Qd5 12.Nc3+=) 9.Nc3= d4 (9...e4 10.Qd1=) 10.Ne4 (10.bc6!? bc6 11.Ne4 Ne4 12.Qe4 de3 13.fe3=) 10...Ne4+= 11.Qe4 Nf6 (11...Nc5!? 12.Qc2 Qg5=) 12.Qc2= cb5 13.c5 Rc8 14.Bb5 Nd7 15.ed4 (15.Qa4 Rc5 (worse is 15...Bc5 16.ed4 Be7 17.Qa7+/–) 16.ed4 ed4 17.Bd4 0–0 18.Bc5 Nc5=) 15...ed4 16.Qe4 (16.Qa4!? Rc5 17.Bd4+=) 16...Qe7+= 17.Bd7 (better is 17.Qe7!? Be7 18.Bd4+=) 17...Kd7+= 18.Qe7 Be7 19.Bd4 f6 (19...Bc5!? 20.Be3 b5+=) 20.Rb1 Rhe8 (20...Bc5!? 21.Bc5 Rc5 22.Rb7 Kc6=) 21.0–0 (21.Be3 f5+=) 21...Rc7 (21...Bc5 22.Bc5 (worse is 22.Rb7 Kc6 23.Bc5 Kb7–/+) 22...Rc5 23.Rb7 Rc7 24.Rc7 Kc7 25.Rc1 Kd6 26.Rc3+=) 22.Rfe1 Rec8 23.Be3 Bc5 24.Bc5 Rc5 25.Rb7 R5c7 26.Reb1 Rb7 27.Rb7+– Rc7 28.Rc7 Kc7 29.Kf1 Kc6 30.Ke2 Kc5 31.Ke3 f5?? 32.f4 a6?? 33.Kd3 Kd5 34.a3 a5 35.h4 g6 36.a4 h6 37.g3 h5 38.Kc3 Kc5 39.d4 Kd5 40.Kd3 Kd6 41.Kc4 Kc6 42.d5 Kd6 43.Kd4 Kd7 44.Ke5 Ke7 45.d6 Kd7 46.Kd5 Ke8 47.Ke6 Kd8 48.d7 Kc7 49.Ke7 (49.Ke7 Kc6 50.d8Q+–) 1–0. Vrioni,Bersan (1855) – Liebenberg,Frederick Willem, Chennai IND, 2012.

6.Be2 Nbd7

7.a3 Qe7 =+.

7.a3 Bh5 8.g4? Bg6 9.c4 c6 10.a4 Qe7 11.Nc3 0–0 12.Qb3? Nc5 13.Qa2 dc4 14.Bc4 Nd3–+ 15.Bd3 Bd3 16.Qb3 e4 17.Nd4 Be5 18.Ba3 c5–/+ 19.Nf5 Qc7 20.Rc1 Rfd8 21.g5 c4 22.Qb4 Bc3 23.Qc3= Ne8?? 24.Bb2?? f6 25.gf6+= Nf6 26.h4 Rd5 27.Nh6 Kh8 28.Rh3? Rh5?? 29.Qf6=+ Rh6?? 30.Qh6+– Rg8 31.Rg3 Qf7 32.Bg7 Rg7 33.Rg7 Qg7 34.Qg7 Kg7 35.f3 ef3 36.Kf2 Kh6 37.Kf3 Kh5 38.Kg3 h6 39.Kf4 Kh4 40.Rh1# 1–0. Johansen,D (2500) – Sandahl,Jan, Copenhagen, 1983.

7.c4 c6 8.cd5 cd5 9.h3 Bh5 10.Nh4 Be2 11.Qe2 a6 12.Nf5= Bf8 13.e4 g6 14.Nh4 Bd6 15.0–0 0–0 16.d3 0–1. Maly,Wolfgang – Runge,Dieter, DSB Derby Seniors 3rd, 2004.

7.d3 0–0 8.0–0 Re8 9.Nbd2 c5 10.c4 d4 11.e4 Nh5 12.g3 Bh3=+ 13.Re1 h6 14.Nh4 Nf4 15.Bf1 Bf1 16.Nf1 Nh3 17.Kg2= Nf4 18.Kh1 Nh3 19.Kg2= Ng5 20.Nd2 Nf6 21.Ndf3 Ne6=+ 22.Bc1 Bf8 23.Ne5+= Nh7 24.Kg1 Be7 25.Ng2 Nhg5 26.Bg5 Ng5 27.Rf1 Bd6+= 28.Nf3 Nh3 29.Kh1 Qd7 30.Ngh4 Be7 31.Nf5+/– Bf6 32.Kg2 g6 33.N5h4 Qg4+= 34.Kh1 Re7 (34...a6 35.ba6 Ra6 36.Ng2=) ½–½. Schwichtenberg,Juergen – Junker,Wilfried, Bad Wildungen op Seniors, 1998.

7.d3 a6 8.ba6 Ra6 9.d4 Bf3 10.Bf3 =+.

7.0–0 0–0

8.Nc3 Qe7 =+.

8.d3 a6 9.Nc3 =+.

8.d3 Qe7 9.Nbd2 Nc5 10.c4 e4=+ 11.de4 Nfe4?? 12.cd5+/– f5 13.g3 Na4 14.Qa4 Nd2 15.Nd2 Be2 16.Rfe1 Bg4 17.e4+/– Qg5 18.Qd4 Rae8? 19.e5+– Be7 20.f4 Qg6 21.Rac1 b6 22.Nb3 Bf3 23.Rc7 Bh4 24.Qf2 Bd5 25.e6 Be7? 26.Nd4 Rf6 27.Qe2 Bc5= 28.Ra7?? Bd4 29.Bd4+= Rfe6 30.Be5 Qh6? 31.Qd2 Re5?? 32.Re5 Re5+/– 33.Rd7 Qe6?? 34.Rd8+– Kf7 35.fe5 Qe5 36.Qd5 (36...Qd5 37.Rd5+–) 1–0. Starr,Albert – Chinchwadkar,Ojas, San Francisco CalChess Labor Day, 2005.

8.h3 Bf3 9.Bf3 a6 10.Nc3 e4 11.Be2 +=.

8.h3 Bf3 9.Bf3 Nb6 10.d3 =+.

8.h3 Bf3 9.Bf3 c6 10.a4 Re8 11.d3 Qc7 12.e4 a6 13.c4 ab5 14.ab5 dc4 15.dc4 cb5 16.cb5 Ra1 17.Ba1 Ra8 18.Nc3 Bb4 (18...h6 19.Qb1=) 19.Nd5 Qc5 20.Qb3 Nd5 21.Qd5 Qd5 22.ed5 f5 23.Rb1 Bc5 24.Kf1 e4 25.Be2 Nb6 26.Be5 Nd7 (26...Nd5?? 27.Bc4 Kf8 28.Bd5+–) 27.Bc7 Bd4 (27...Kf7 28.Rc1=) 28.Bc4 Ra4 29.Bb3 Rb4 30.Ba2 Rb1 31.Bb1 Kf7 32.Ba2 Ke7 33.Ke2 (33.d6 Kf6+=) 33...g6 (33...Be5 34.Ba5=) 34.f3 (34.d6 Kf6+=) 34...ef3= 35.Kf3 Nf6 36.Bb3 Kd7 37.b6 (37.Bf4 h5+=) 37...Bc5= 38.Ba4 Ke7 39.Bb3 Kd7 (39...Bd6 40.g4+=) 40.Ba4 Ke7 41.Bc6 Nd7 42.d6 Bd6 43.Bb7 Bc5 44.Bd5 Bb6 45.Bf4 Kf6 46.Bg8 h5 47.Bd6 Bd4 48.Bc7 Be5 49.Bd8 Kg7 50.Bc4 Bf6 51.Bf6 Kf6–/+ 52.Ba6 Ne5 53.Kf2 Kg5 54.g3 h4 55.Be2 hg3 56.Kg3 f4 57.Kh2?? Kh4 58.Bf1 g5 59.Kg2 Kh5 60.Kf2 Ng6 61.Be2+= Kh4 62.Bf1 Ne5 63.Kg2+= Nf7 64.Kf3 Nh6–/+ 65.Ke4?? Kg3–+ 66.Kd3 Nf5 67.Ke4 Ne3 68.Be2? Kh3 69.Kf3 Nc2 70.Kf2 g4 71.Bf1 Kh2 (71...Kh2 72.Bc4 g3 73.Ke2 g2–+) 0–1. Krueger,Bernhard – Benedikt,Alexander, Baunatal op, 1995.

8.h3 Bh5 9.d3 Re8 (9...c6 10.Nc3+=) 10.Nbd2 (10.g4 Bg6=) 10...c5 (10...c6 11.a4+=) 11.c4 d4 (11...e4 12.Ne1 Be2 13.Qe2+=) 12.Ng5 (12.Nd4!? ed4 13.Bh5 Nh5 14.Qh5+=) 12...Bg6+= 13.Nge4 Ne4 14.Ne4 Bf8 (14...Be4 15.de4 a6 16.a4+=) 15.Bf3 (15.a4 f5 16.Nd2 de3 17.fe3 Qg5=) 15...Rb8 (15...f5 16.Ng3 e4 17.Bh5 Bh5 18.Qh5+=) 16.Re1= f5 17.Nd2 Nf6 (17...e4 18.Be2 de3 19.fe3+=) 18.ed4 (18.e4 Bd6=) 18...ed4 (18...cd4 19.a3+=) 19.Re8= Qe8 20.Qe1 (20.Qf1 Qd7=) 20...Qd7 (20...f4 21.Qf1=) 21.a4 (21.Nb3 Qc7=) 21...Bd6 22.Qf1 Re8 (22...Bc7 23.a5+=) 23.Re1= Bb8 (23...Re7 24.a5=) 24.Nb3 (24.Re8 Be8 25.Qe2 Qc7=) 24...h6 (24...Qc7 25.Re8 Be8 26.Qe1=) 25.Re8 Be8 26.Qe1 Qc7 27.g3 b6 28.Qe6 Kh7 29.Bc1 Qe5 30.Qe5 Be5 31.Be2 g5 32.a5 Bc7 33.a6 Kg6 34.Ba3 Nd7 35.Kg2 h5 36.Bf1 h4 37.Nd2 hg3+= 38.fg3 ½–½. Nikolic,Jovane (1690) – Nascimento,Jose Eduardo (1865), Sao Bernardo do Campo BRA, 3rd Open, 2012.

4.Nf3 Nd7

5.Ba3 =+.

5.Nc3 Ngf6 6.e3 0–0 7.Be2 c5 8.bc6 bc6 9.Rb1 Qc7 10.h3 Rb8 11.0–0 Nb6 12.d3 e4 13.de4 de4 14.Nd4 a6 15.Qc1 c5 16.Nb3 Qe7 17.Rd1 Qe5 18.g3 Qe6 (18...Qe7 19.a4+=) 19.Qd2 (19.Ba3 Nbd7=) 19...Ne8 (19...Be7!? 20.Bf1 Nc4 21.Bc4 Qc4–/+) 20.Na5 Be5 21.Ba3 Nf6 (worse is 21...Qh3 22.Ne4 Nd6 23.Ng5+/– (23.Nd6?! Bg3 24.fg3 Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Qh3 28.Kg1 Qg3=)) 22.Bf1 Nbd7 23.Nb3 Exerts pressure on the isolated pawn 23...h5 (better is 23...Qc6!?=) 24.Nc5+/– Nc5 25.Rb8 Bb8 26.Bc5 Re8 27.Bd4 h4 28.Rb1 (28.Bf6!? Qf6 29.Ne4+/–) 28...Bc7+= 29.Qe2 hg3 30.fg3 Bg3 31.Rb6 Attacks the isolani on a6 ½–½. FortKnox – A_der_s, playchess.de, 2005.

5.c4 c6 6.a4 Ngf6 7.e3 0–0 8.Be2 Qc7 9.d4 e4–/+ 10.Nfd2 Bh2 11.c5 Nb8 12.Nc3 b6 13.bc6 Nc6+/– 14.Nb5 Qb8=+ 15.Rc1 Bb7 16.Ba3 a6 17.Nc3 bc5=+ 18.Bc5 Bd6 19.Qb3 Bc5 20.dc5 d4 21.Nce4= Ne4 22.Ne4 de3 23.Nd6 ef2 24.Kf2 Bc8 25.Qf3 g6?? 26.Qc6+– Be6 27.Qf3 Qb4 28.Ne4 Qd4 29.Kf1 Kg7 30.Qc3 Rfd8 31.Nd6 Qc3 32.Rc3 h5 33.Kf2 Rab8 34.Ba6 Rb2 35.Kg3 Kh6 36.Bc4 Bc4 37.Rc4 Rb3 38.Kh2 Rd7 39.Rd1 Ra3 40.Nf5! gf5 41.Rd7 Kg6 42.c6 Rb3 43.c7 Rb7 44.c8Q Rd7 45.Qd7 f6 46.Rf4 Kh6 47.Qf5 Kg7 48.Qf6 Kh7 49.Re4 h4 50.Re7 Kg8 51.Rg7 Kh8 52.Qf8# 1–0. Engelmeier – Albrecht,St, Stadtmeisterschaft, 1989.

5.c4 c6 6.e3 Ne7 7.d4 e4 8.Nfd2 Nf6 9.bc6 bc6 10.Ba3 Bc7 11.Nc3 0–0 12.Be2 Re8 =.

5.c4 c6 6.e3 Ngf6 7.Nc3 0–0 8.cd5 cd5 9.Be2 a6 10.d4 e4 11.Nd2 Nb6 12.a4 ab5 13.Nb5 Bb4 14.Bc3 Be7 15.a5 Nbd7 16.0–0 b6 17.Nb3 Ba6 18.Qd2 Qb8 19.Bb4 Bb4 20.Qb4 Rc8 21.Rfc1 Rc1 22.Rc1 h6 23.Nc3 Be2–/+ 24.Ne2 Ng4 25.Nf4 g5 26.Qb5 Nf8 27.f3 ef3 28.gf3 gf4 29.fg4 ba5 30.Qd5 a4 31.Na5 fe3 32.Nc6 Qe8 33.Ne7 Qe7 34.Qa8+= Qf6 35.Kh1?? Qd4–+ 36.Qf3 a3 37.Rf1 Qa7 38.Qe4 Qb6 39.Qg2 Qe6 40.g5 a2 41.gh6 Ng6 42.Qb2 f6 (43.Qb7 Qf7=+) 0–1. Vettenburg,L – Stanitz,Antal, corr SOK–95–108, 1995.

5.c4 d4 6.e3 Bc5 7.Bd3 Ngf6 (7...de3 8.de3 Bb4 9.Nbd2=) 8.ed4+= ed4 9.Qe2 (9.Bd4 Bd4 10.Qe2 Ne5 11.Ne5 0–0–+; 9.Nd4?? Ne5 10.Be2 Bd4–+) 9...Be7 10.Ba3 Nb6 11.0–0 Be6 12.Be7 Ke7 13.c5 Na4 14.Qe5 Re8 (14...Nd7 15.Qg7 (15.Qd4?! Ndc5 16.Bc2 Qd4 17.Nd4 Rad8 18.Ne6 Ke6=) 15...Ndc5 16.Bc2+/–) 15.Bc2 (15.Nd4?! Kf8 16.Ne6 Re6=) 15...Nb2 16.d3 (16.Nd4!? Nc4 17.Qf4+/–) 16...Kf8+= 17.Qg5 (worse is 17.Nd4 Ba2 18.Ne6 Be6 19.Qb2 Nd5+=) 17...Bd5 18.Nbd2 ½–½. Pcmvr – Jackaroe, playchess.de, 2004.

5.c4 d4 6.e3 Bc5 7.ed4+= ed4 8.Be2 (8.Nd4 Qf6 9.Qe2 Ne7+=) 8...Ngf6 (8...Nb6!?=) 9.Nd4+= 0–0 10.0–0 Re8 11.Nc2 b6 (11...Bd6!?+=) 12.Bf3+/– Rb8 13.d4 Bf8 14.Nc3 Bb7 15.Bb7 Rb7 16.Qf3 Rb8 17.Rfe1 h6 18.Re8 Qe8 19.Re1 Qd8 20.a3 Bd6 21.Bc1 Qc8 22.Bf4 Bf4 23.Qf4 Nh5 (23...c6 24.Qf3 cb5 25.cb5+/–) 24.Qf3 Ndf6 (24...Nhf6 25.Nb4 Qf8 26.Ncd5+–) 25.h3 Qb7 26.d5 Re8 (26...g5+–) 27.Re8 Ne8 28.Qh5 Nf6 29.Qe5 Kf8 30.Nd4 Qc8 31.Nc6 Qd7 32.Na7 Kg8 33.Nc6 Kh7 34.Ne4 Ne4 35.Qe4 g6 36.Qe7 Qf5 37.Qc7 Kg7 38.Qe5 Qe5 39.Ne5 g5 40.c5! bc5 41.b6 f6 42.d6 Kf8 43.b7 (43.b7 Kg7 44.d7 fe5 45.b8Q g4 46.Qe5 Kh7 47.Qf5 Kg7 48.d8Q gh3 49.Qdf8) 1–0. Pcmvr – Jule, playchess.de, 2004.

5.c4 d4 6.e3 de3 7.de3 c5?? 8.Qd6+– 1–0. pfmx – peko, internet, 2009.

5.c4 d4 6.e3 de3 7.de3 Ngf6 8.Be2 +=.

5.d3 Ne7 6.e3 0–0 7.Be2 c6 8.bc6 Nc6 9.0–0 Qb6 10.Bc1 Rb8 11.Nc3 Qa5 12.Bd2 Bb4 13.Qe1 Qc5 14.Na4 Bd2 15.Qd2 Qd6 16.Nc3 a5 17.a4 Qe6 18.e4 d4 19.Nd5 Nc5 20.Rfb1 f5 21.Qe1 Rd8 22.Nd2 fe4 23.de4 Qg6 24.Rb5 Bh3 25.Bf3 Ne6 26.Qd1 Rf8 27.Kf1 Ng5 28.Bh5 Rf2 29.Kf2 Ne4 30.Ke1 Qg2 31.Ne4 Qe4 32.Kd2 Qg2 33.Kc1 Qh2 34.Bf3 Bg2 35.Qd2 Qh1 36.Kb2 Qa1 37.Ka1 Bf3 38.Qg5 Bd5 39.Rd5 h6? 40.Qg6 Kh8 41.Rd7 Rg8 42.Rb7 Nb4 43.Re7 e4 44.Qe4 Rf8 45.Re8 Re8 46.Qe8 Kh7 47.Kb1 d3 48.cd3 g5 49.Qf7 Kh8 50.Qg6 g4 51.Qg4 Nd3 52.Qg6 Nf2 53.Qh6 Kg8 54.Qg5 Kf7 55.Qa5 Nh1 1–0. GLChess211 – Holmes034, computer chess game, 2000.

5.d3 Ngf6 6.Nbd2 a6 7.ba6 ba6 8.e3 0–0 9.Rb1 Rb8 10.Be2 c5 11.0–0 Qa5 12.a3 Bb7 13.Nh4 Rfe8 14.Nf5 Bc7 15.c4 d4 16.e4 Bc6 17.Qc1 Kh8 18.Bd1 Ba4 19.Nf3 Bd1 20.Rd1 h6 21.Rf1 Rb3 22.Qc2 Reb8 23.Nd2 R3b6 24.Ne7 Ng8 25.Nd5 R6b7 26.Bc1 Rb1 27.Nb1 Bd6 28.Nd2 g5 29.Nb3 Qd8 30.Bb2 Ngf6 31.Rb1 h5 32.Bc1 Nd5 33.cd5 Qg8 34.Na5 Rb5 35.Rb5 ab5 36.Qb3 b4 37.Nc4 Be7 38.d6 Bf6 39.ab4 cb4 40.Qb4 Qa8 41.Ba3 Bg7 42.Qb5 Qc8 43.f3 f6 44.Bb2 Bf8 45.Qd5 Qe8 46.h3 Bg7 47.Bc1 Qb8 48.Qc6 Qb1?? 49.Nd2 Qa1 50.Qd7 1–0. GLChess211 – Amyan125, computer chess game, 2000.

5.e3 b6 6.Be2 Bb7 7.a4 Ngf6 8.0–0 a6 9.Na3 0–0 10.ba6 Ba6 11.Nb5 c6?? (better is 11...Qe7+=) 12.Nd6+– Be2 13.Qe2 Nc5 (13...Qe7 14.Nf5 Qe6+–) 14.Be5 Ra4 (14...Nfe4 15.Nf5 f6 16.Bf4+–) 15.Nd4 1–0. b4_player – ksew, casual, 2013.

5.e3 b6 6.Be2 Ngf6 7.0–0 0–0 8.c4 Bb7 9.d4 Re8 (9...e4 10.Ne5=) 10.a4 c6 11.Nbd2 (11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5=) 11...cb5 (11...e4!? 12.Nh4 Qc7+=) 12.cb5 (12.de5!? Ne5 13.Ne5 Be5 14.Be5 Re5 15.cb5+=) 12...e4+= 13.Ne1 (13.Nh4 Qb8+=) 13...h5 (13...h5 14.Ba3 Ba3 15.Ra3 h4=; 13...Qe7!?–/+). klafka – SUMISU, Live Game Caissa's Web, 2004.

5.e3 c5 6.c4 d4 +=.

5.e3 c5 6.c4 Ngf6 7.cd5 e4 8.Ng1 Ne5 9.f4 ef3 10.Nf3 Nfg4 11.Nc3 Bf5 12.Ne5 Ne5 13.d4 cd4 14.Qd4 Ng4 15.g3 Qe7 16.e4 Be5 17.d6 Bd6 18.0–0–0 Be5–/+ 19.Qa4 Bd7 20.Nd5–/+ Qd6 21.Ba3? Qh6–/+ 22.Kb1 a5 23.Bh3?? (23...Qh3 24.Bb2–+; 23.Bb2 Nf2 24.Be5+–) 1–0. Taulien,Hans_Juergen (2225) – Ohnmacht,Rolf (2105), RSX10D – XMAS–1, 2003.

5.e3 c5 6.bc6 bc6 7.d3 Ngf6 8.Nbd2 Ba6 9.Be2=+ Rb8 10.Rb1 Qc7 11.h3 e4 12.Nd4 ed3 13.cd3= c5 14.Nf5 Be5 15.Qc2 0–0 16.0–0?? Rb2 17.Rb2 Bb2 18.Qb2 Nb6 19.Bf3?? Bd3–+ 20.Nh6 gh6 21.Qf6 Bf1 22.Nf1 Qd7 23.Qh6 Qe6 24.Qg5 Qg6 25.Qe7 Qe6 26.Qa7?? Nc4?? 27.Qc5+= Nd2?? 28.Qd5 Nf3+/– 29.Qf3 Qa2 30.Qg4 Kh8 31.Qd4 f6 32.Qg4 Qa8 33.Kh2 Rg8= 34.Qf3 Qf3 35.gf3 Kg7 36.Ng3 Kf7 (37.e4 Ke6=). MasterofDisaster – stronium999, Live Game Caissa's Web, 2004.

5.e3 c5 6.d4 cd4 7.ed4 e4 8.Ne5 (better is 8.Nfd2+=) 8...f6?? (8...Qc7!?+=) 9.Nd7 (better is 9.Qh5 g6 10.Ng6 hg6 11.Qh8+–) 9...Bd7 (9...Qd7 10.c4=) 10.Be2?? (better is 10.Qh5 Kf8 11.Qd5+/–) 10...Qa5 (10...Rc8 11.Nd2+=) 11.Nd2 (11.Qd2!? Qb6 12.a4=) 11...Bb5–/+ 12.0–0 (12.Bb5 Qb5 13.Rb1 Qc6–/+) 12...Be2 (12...Ba4 13.Nb3 Qc7 14.Nc5 Bc5 15.dc5 Qc5 16.Bd4–/+) 13.Qe2 Ne7 14.c4 0–0 (14...Rc8 15.Rfc1–/+) 15.cd5+= Qd5 (15...f5 16.f3 Rac8 17.fe4–/+) 16.Qe4 (16.Ne4 Rfe8 17.Nd6 Qd6=) 16...Qe4 (16...Rfe8 17.Rfe1=) 17.Ne4+= Bc7 18.Nc5 (18.Rfe1 Rfe8+=) 18...b6 (18...Rfe8 19.Rfe1= (19.Nb7? Rab8–+)) 19.Ne6+= Rfc8 20.Nc7 Rc7= 21.a4 Rd8 22.a5 b5 23.a6 Rcd7 Attacks the isolani on d4 24.Ba3 Nc6 25.d5 Ne5 26.Be7?? Rc8 27.d6–/+ Kf7 28.Rfe1 Nc6 29.Rac1 Ne7 30.Re7?? Re7–+ 31.Rc8 Re1 0–1. stoker – Webby, Live Game Caissa's Web, 2005.

5.e3 c6 6.c4 Qb6 (6...Ngf6 7.c5 Bc7 8.d4+=) 7.cd5 cd5 8.Qb3 Ngf6 9.Nc3 Nc5 10.Nd5?? (better is 10.Na4 Nb3 11.Nb6 ab6 12.ab3 Ra1 13.Ba1=) 10...Nd5–+ (10...Nb3 11.Nb6 ab6 12.ab3 Ra1 13.Ba1+/–) 11.Qd5 (11.Qd1 e4 12.d4 Qa5 13.Nd2–+) 11...Be6 12.Qe6 Ne6 13.Ne5 Be5 14.Be5 0–0 15.a4 a6 16.d4 (16.Be2 ab5 17.Bb5 Qc5–+) 16...ab5 17.Bb5 (17.a5 Qc6 18.Rd1 Qc3 19.Ke2 Ra5–+) 17...Qb5! 18.ab5 Ra1 19.Ke2 Rh1 20.d5 f6 21.Bg3 Nc5 22.Bd6 Rc8 23.Bc5 (23.f3 Nb3 24.Bg3 Nc1 25.Kd2 Rg1–+) 23...Rc5 24.e4 Kf7 25.f4 (25.b6 Rh2 26.g3 Rc2 27.Ke3 Rcf2–+) 25...Rh2 26.Kd3 Rg2 27.b6 Ke7 28.Kd4–+Rgc2 29.e5 fe5 30.fe5 R2c3 31.d6 Ke6 32.Ke4 R5c4# 0–1. Thomas,Daniel – Tanciuc,A (1670), EYb12, Herceg Novi MNE, 2008.

5.e3 c6 6.Be2 Ne7 7.Nc3 0–0 8.0–0 Qc7 9.d3 f5 10.bc6 bc6 11.h3 Nf6 12.Qc1 Ng6 13.Ba3 d4 14.ed4 ed4 15.Nd4 Be5 16.Bf8 Nf8 17.Ncb5 cb5 18.Nb5 Qc5 19.Rb1 a6 20.Qa3 Qc2 21.Bd1 Qd2 (21...Qc6!? 22.Bf3 Ne4+=) 22.d4= Bb8 23.Bb3 Be6 24.Rfd1 Qg5 (24...Qf4 25.g3 Qe4+=) 25.Be6+/– Ne6 26.Qb3 Kf7 27.Nc3 White prepares d5 (better is 27.Re1!? Ne4 28.Nc3+/–) 27...Bc7+= 28.Qc4 Re8 (28...Qf4 29.g3 Qd6+=) 29.Rb7+/– (29.Qa6 Nf4 30.Qb7 N6d5–/+) 29...Re7 30.d5 (worse is 30.Qa6 Nf4 31.g3 Nh3 32.Kf1 Ne8+=) 30...Nf4 31.d6 Kg6 32.g3 Nh3 33.Kg2 Bd6 34.Re7 Nf4 35.Kf1 Be7 36.gf4 Qh5 37.Rd3 h6 (37...Qh1 38.Ke2+=) 38.Nd5 Qh1 39.Ke2 Nd5 40.Qd5 (40.Rd5!? Bb4 41.Rd1 Qh5 42.f3+=) 40...Qd5+= 41.Rd5 Bb4 42.Rd4 (42.Rd8 a5=) 42...a5= 43.a4 Bc5 44.Rd5 Bb4 45.Rb5 Bc3 (45...h5!?=) 46.Ke3 h5 47.Rb6 Kh7 48.Rb3 (48.Kd3 Be1 49.Rb1 Bf2 50.Rb5+/–) 48...Bf6? (better is 48...Bb4=) 49.Rb5+– Bc3 50.Rf5 g6 51.Rc5 Bb4 52.Rc4 Bd6 53.Ke4 h4 54.f5 g5 55.Kd5 Bb4 56.Ke6 h3 57.f6 Bf8 58.f7 1–0. Taulien,Christian (2110) – Sartow,Arne (2285), RSM2006 remoteschach.de, 2006.

5.e3 c6 6.Be2 Ne7 7.c4 0–0 (7...e4 8.Nd4+=) 8.d3 f5 (8...cb5 9.cb5 a6 10.ba6 ba6 11.Nc3+=) 9.Nbd2 (9.0–0 Qc7=) 9...Ng6 (9...cb5 10.cb5 Ng6 11.0–0=) 10.0–0= cb5 11.cb5 (11.cd5 a6=) 11...b6 12.Qb3 Bb7 13.e4 (13.Rac1!?=) 13...fe4 (13...Nf4 14.Rfe1 Nc5 15.Qc2–/+) 14.de4+= Nc5 15.Qc2 d4 (15...Nf4 16.Qd1–/+) 16.Bc4+= Kh8 17.Nd4? (better is 17.Rac1+=) 17...ed4–+ 18.Bd4 Bh2! 19.Kh2 Qd4 20.f3 Qe5 21.Kg1 Nf4 22.Nb3 (22.Rad1 a6 23.ba6 Ba6 24.Ba6 Na6–+ (24...Ra6?! 25.Nc4 Qg5 26.Rd2–+)) 22...Rf6 23.Kf2 (23.Rae1–+) 23...Rg6 (23...Ne4 24.Kg1 Nh3 25.gh3 Rg6 26.Qg2 Rg2 27.Kg2 Qg3 28.Kh1 Qh3 29.Kg1–+) 24.Rg1 (24.g4 Rg4! 25.fg4 Ne4 26.Ke1 Nc5 27.Kd2 Rd8 28.Kc1–+) 24...Rf8 25.Nd2 (25.Rae1 Ne4! 26.Re4 Nh3 27.Ke1 Be4 28.fe4 Qg3 29.Kd1 Ng1 30.Nd2–+) 25...Qd4 26.Kf1 Nfd3 27.Nb3 Nb3 28.Bd3 Nc5 29.Rd1 Rf3 30.Ke1 Qg1 31.Kd2–+ Rg2 32.Be2 Qe3 0–1. WillForkU – composite, ChessWorld.net, 2009.

5.e3 Qe7 6.c4 Ngf6 7.g4 h6 8.Rg1 e4–/+ 9.g5 hg5–+ 10.Ng5 dc4 11.Bc4=+ Ne5 12.Qb3? Nc4–+ 13.Qc4 Bf5 14.Nc3 Rh2 15.Nd5=+ Nd5 16.Qd5 g6 17.Qb7 Rd8 18.Qc6 Qd7 19.Qc2 Be7–/+ 20.0–0–0? Qd5 21.f3 Bg5 22.Rg5=+ ef3 23.e4!+= Qb5 24.ef5 f2 25.Qe4 Kd7 26.Qf4 Qe2?? 27.fg6+– Kc8?? 28.gf7 Qd1 29.Kd1 Rd2 30.Kd2 f1Q 31.Qh2 (31...Qf7 32.Rg7+–) 1–0. Needleman,Gaston (2435) – Henderson,Einar (2115), San Luis ARG zt, 2007.

5.e3 f6 6.c4 c6 7.d4 e4 8.Nfd2 Ne7 9.c5 Bc7 10.a4 0–0 11.Be2 Nf5 12.0–0 Nh6 13.f3 f5 14.fe4 fe4 15.Rf8 Nf8 16.Nf1 Ng6 17.Ng3 Qh4 18.Nd2 Bg3 19.hg3 Qg3 20.Nf1 Qg5 21.Qe1 Nh4 22.Qg3 Qg3 23.Ng3 N6f5 24.Nf5 Nf5 25.Bc1 Ng3 26.Kf2 Ne2 27.Ke2 Bg4 28.Kd2 Rf8 29.Kc3 Rf2 30.bc6 bc6 31.Rb1 Rg2 32.Rb7? (32.Rb7 h5 33.Bd2–+; better is 32.Rb8 Kf7 33.Ra8–+). chevin – Diversion, Live Game Caissa's Web, 2004.

5.e3 f6 6.Be2 Ne7 7.c4 (7.0–0 0–0=) 7...0–0 (7...dc4 8.Qc2+=) 8.cd5 Nd5 9.Qb3 (better is 9.Qc2 Nb4 10.Qb3 Kh8 11.d4=) 9...N7b6?? (better is 9...Nc5 10.Qd1 e4+=) 10.e4+– Kh8 (10...Be6!? 11.ed5 Bd5+/–) 11.ed5 Bf5 12.0–0 e4 13.Nd4 Bg6 (13...Qd7+–) 14.Ne6 Qe7 15.Nf8 Rf8 16.Nc3 (16.Bd4 Bf4+–) 16...f5 (16...Qe5 17.g3+–) 17.Qd1 (17.d3 e3 18.f4 Bf7+–) 17...f4 (17...Qe5 18.g3 f4+–) 18.Bh5 (18.f3 Bc5 19.Kh1 ef3 20.Rf3 Qd6+–) 18...Bf5? (18...f3 19.Bg6 Bh2 20.Kh1 Qh4 21.Bf5 Rf5 22.Re1 Be5 23.Kg1 Qh2 24.Kf1 Qg2) 19.Bg4 (19.Re1 Nc4 20.Bc1 e3+–) 19...Bg6 20.Ne2 f3 21.Ng3 Qg5 22.Bh5 Bh5+= 23.Nh5?? Qg2 (23...Qh5?! 24.h3 Qh4 25.Bd4 fg2 26.Kg2–+) 0–1. OPA – Schnick, Live Game Caissa's Web, 2004.

5.e3 h6 6.c4 c6 7.bc6 bc6 8.cd5 cd5 9.Nc3 Ne7 10.Nb5 Bb8 11.Be2 a6 12.Nc3 0–0 13.Ba3 Bb7 14.Rb1 Bc7?? (better is 14...Bc6+=) 15.Rb7+– (15.Rb7 Nb6 16.Ne5+–) 1–0. b4_player – johanna, internet, 2013.

5.g3 Ngf6 6.Bg2 e4 7.Nd4 0–0 8.0–0 Re8=. Malmstroem.

5.c4 dc4

6.Qc2 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 b6 10.e4 Bb7 11.Nc3 Qa8 12.Bb2 Ngf6 13.Bc4 Ne4 14.0–0 Nc3 15.Ra1 Qd8 16.Qc3 Qf6 17.d4 Bf3 18.Qf3 Qf3 19.gf3 0–0 20.Ra7 ed4 21.Bd4 Re8 22.Be3 h6 23.f4 Nf6 24.Kg2 Rd8 25.f5 Ng4 26.h3 Nf6 27.Bd4 Nd7 28.Be2 Re8 29.Bf3 Nc5 ½–½. Taulien,Hans_Juergen – Fiedler,Peter, remoteschach.de, 2002.

6.e3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Qf6 10.Bc4 Qg6 11.Rg1 e4 12.Nh4 Qg5 13.g3 Ngf6 14.f4 Bf4 15.Bf6 Nf6 16.Qb3 Bd6 17.Bf7 Ke7 18.Nc3 Qg4 19.Nd1 Rd8 20.Nf2 Qd7 21.d4 ed3 22.Nd3 Kf8 23.Bc4 Re8 24.Kd2 Qe7 25.Re1 Bg4 26.Bd5 Nd5 27.Qd5 Bb4 28.Kc2 Be1 29.Ne1 Qe3 30.Nef3 c6 31.bc6 bc6 32.Qd6 Kg8 0–1. Comet B50 – Fritz 8, 2003.

6.e3 a6 7.ba6 b5 8.d3 cd3 9.Bd3 Ba6 10.0–0 Ngf6 11.a4 e4 12.Be4 Ne4 13.Bg7 Rg8 14.ab5 Bb7 15.Bd4 Ra1 16.Ba1 Qa8 17.Qd4 Bc5 18.Qb2 Nd6 19.e4 Be4 20.Re1 Kd8 21.Re4 Qe4 22.Nbd2 Qe2 23.Nd4 Bd4 0–1. Crafty 19.01 – Fritz 8, 2003.

6.e3 a6 7.Bc4 ab5 8.Bb5 c6 9.Bc4 Ngf6 10.Qc2 0–0 11.0–0 e4 12.Ng5 b5 13.Bf7 Rf7 14.Nf7 Kf7 15.Qc6 Ra6 16.Qb5 Rb6 17.Qc4 Kf8 18.Bd4 Ba6 19.Bb6 Qb6 20.Qb3 Qc7 21.Re1 Ng4 22.g3 Nge5 23.Kg2 Nc5 24.Qd1 Ncd3 25.Rf1 Qf7 26.Qb3 Qf3 27.Kg1 Ne1 28.Re1 Ng4 29.Qf7 Kf7 30.Re2 Qe2 31.d3 Qf2 32.Kh1 Qh2 0–1. Doctor 3.0 – Fritz 8, 2003.

6.e3 Ngf6 7.Bc4 0–0 8.0–0 e4 9.Nd4 Ne5 10.Be2 h5 (10...a6 11.f4 ef3 12.Nf3 Nf3 13.Rf3+=) 11.Nc3 (11.Bh5? Nh5 12.Nc3 Nf6–+) 11...Bg4 12.f3 (12.f3 ef3 13.Nf3=). Pcmvr – Cybermemere, playchess.de, 2005.

6.e4 a6 7.Nc3 (7.ba6 b5+= (7...Ra6 8.Bc4 Rb6 9.Qc2 Ngf6 10.0–0 0–0 11.Re1 Re8 12.Nc3 Nc5 13.Nb5 Be6) 8.a4 Ra6 9.Na3 Ba3 10.Ra3 Qe7 11.Qc1 c6 12.ab5 cb5 13.Qa1 Qe6) 7...ab5 (7...Nb6 8.ba6 (8.d4 Bg4 9.ba6 Bf3 10.gf3 Ra6 11.de5 Be5 12.Qd8 Kd8 13.0–0–0 Ke8) 8...Ra6 9.d4–/+ (9.a4 Be6 10.a5 Nd7 11.d4 ed4 12.Nd4 Bb4 13.Qa4 Ba5) 9...Ba3 10.Ba3 Ra3 11.Nb5 Ra5 12.a4 c6 13.Qd2 Ra4; 7...Ngf6 8.Bc4 Nb6 9.Be2 ab5 10.Nb5 0–0 11.Qc2 Bg4 12.a4 Nbd7 13.0–0 Nc5; 7...g5 8.h3 Nb6 9.d4 f6 10.a4 a5 11.de5 fe5 12.Be2 Qf6 13.Bc1 g4) 8.Nb5= Ngf6 (8...c3 9.Bc3 Ngf6 10.Nd6 cd6 11.d3 0–0 12.Be2 Nc5 13.Qd2 Qc7) 9.Qc2 (9.Bc4 0–0 10.0–0 Ne4 11.Qe2 c6 12.Qe4 cb5 13.Bb5 Nc5) 9...0–0 (9...Bc5 10.Qc4 0–0 11.Ne5 Bf2 12.Kf2 Ne5 13.Be5 Ng4) 10.Bc4 Qe7 (10...Bc5 11.d4 ed4 12.0–0 Re8 13.Rad1 Ne4) 11.0–0 c6 (11...Nb6!?= 12.Bb3 Bg4 13.d4 Bf3) 12.Nd6+= Qd6 13.d4 (13.a4 c5) 13...ed4 14.Bd4 b5? (better is 14...Qf4 15.e5 Ng4+=) 15.e5+– Qb4 16.Bd3 Nd5 (16...Nh5 17.Qc6 Qa3 18.Qe4+–) 17.Bh7 Kh8 18.Qc6 Kh7 19.Qa8 Nf4 20.Qe4 Ng6 21.Rab1 Qe7 22.Rfc1 f5 23.Qa8 Nh4 24.Rc8 Rc8 25.Qc8 Nf3 26.gf3 Qg5 27.Kh1 Qf4 28.Qd7 Qf3 29.Kg1 Qg4 30.Kf1 Qh3 31.Ke1 Qg4 32.e6 Qe4 33.Kd2 Qb1 34.Qg7# 1–0. pierre – quarz, internet, 2010.

6.e4 Qf6 7.Bc4=+ Qg6 8.0–0 Nb6 9.Bb3 Bg4 10.d4 Rd8 11.a4 ed4 12.a5 Nd7 13.Bd4= Bc5 14.Bc3 Ngf6 15.Nbd2 c6 16.a6 cb5 17.e5 b4–/+ 18.Bb2 Nh5 19.Nh4 Bd1–/+ 20.Ng6 Bb3 21.Nh8–/+ Bd5 22.ab7 Ke7 23.Nf7 Kf7 24.Rfd1 Ke7 25.e6 Ke6 26.Re1 Kf5 27.Red1?! Nf4 28.Nb3 Bb6 29.Na5 Nc5 30.Nc6 Nb7 31.Nd8 Nd8 32.g3 Ne2 33.Kf1 Bc4 34.Ke1 Ne6 35.Rd7 N2d4 36.Kd1 Be2 37.Kd2 Bb5 38.Raa7 Nf3 39.Kc2 Bd7 40.Rd7 Bf2 41.Rf7 Kg4 42.Bg7 Bg1 43.Bb2 Bh2 44.Rh7 Nc5 45.Rc7 Bg1 46.Rg7 Kh3 47.Rg8 b3 48.Kd1 Na4 49.Bf6 Bf2 50.g4 Bd4 51.Bd4 Nd4 52.Rb8 Nc3 53.Kc1 Kh4 54.g5? Nce2 55.Kb2 Kh5 56.Rb3= Nb3 57.g6 ½–½. b4_player – opponent, gamecolony.com, 2007.

6.e4 Ngf6

7.Nc3 0–0 8.Bc4+= Nb6 9.Be2 Nh5 10.d4 Nf4 11.0–0 ed4 12.Qd4 Qd7 13.h3 f6 14.Rfe1 (14.Bd1 Kh8+=) 14...Ng2 (14...Qe8 15.Bf1+=) 15.Kg2= Qh3 16.Kg1 Qg4 17.Kf1 Qh5 18.Bd1 Bh3 (18...Be6 19.Ng1 Qg6 20.Bb3 Bb3 21.ab3=) 19.Ke2+= Bg2 20.Qe3 Kh8 21.Kd3 Rae8 (21...Rad8!? 22.Nd4 Qe8+=) 22.Nd4 Qc5 23.Bb3 Be5 24.Nf3 (24.f4 Bd4 25.Qd4=) 24...Qd6? (24...Rd8 25.Kc2 Qe3 26.Re3 Bf4+–) 25.Kc2+/– Bf4 26.Ba3 Qa3 27.Qf4 Qc5 28.Nd2 c6 29.bc6 Qc6? (29...Rc8 30.Re3 Qc6 31.Rg1+–) 30.Qg3 (better is 30.Qg4!? Rc8 31.Re3 Na4 32.Ba4 Qa4 33.Kb2 Qb4 34.Nb3 Rc3 35.Rc3 Qe4 36.Qe4 Be4+–) 30...Rc8 31.Re3 White terminates the opponent with strong threats 31...Na4 32.Ba4 Qa4 33.Kb2 Qb4 34.Nb3 Rc3 35.Rc3 (35.Qg2?! Rb3 36.ab3 Qd2 37.Ka3 Qa5 38.Kb2 Qd2 39.Ka3 Qa5 40.Kb2 Qd2=) 35...Be4 36.Rc7 Bg6 37.Rd1 Re8 38.f4 Qe4 39.Rdd7 Rg8 40.Rb7 a6 41.Ra7 (41.Ra7 Qe2 42.Ka3+–) 1–0. Taulien,Hans_Juergen (2350) – Baensch,Hans (2095), RSX10D–XMAS–1, 2003.

7.Nc3 Nb6–/+ 8.a4 Bc5 9.Qc2 (9.Ne5? Qd4 10.Qe2 Qe5–+) 9...Be6 10.a5 Nbd7 11.Nd1 a6 12.Bc4 Bc4 13.Qc4 0–0 14.0–0 ab5 15.Qb5 Ne4 16.Qb7 Nd6 17.Qd5 e4 18.Ne5 Qg5 19.d4 ed3 20.h4! Qf5 21.Ne3?? Be3= 22.fe3 Nf6 23.Qa8= Qf1 24.Kf1 Ra8 25.Nd3 Nfe4 26.Be5 Nd2=+ 27.Kg1 Nb5 28.a6+= f6 29.Bd4 Nb3 30.Ra4 Kf7 31.h5 c6 32.Bb6 g6 33.a7 Ke6 34.Ra2 Kd5 35.Nf4 Ke5 36.Rb2 Nc1 37.hg6 1–0. Taulien,Hans_Juergen – Hort,Wolfgang, RSS7E pro–1 remoteschach.de, 2003.

7.Bc4 Ne4 8.Qe2 Nef6 9.Ne5 0–0 10.d4 Nb6 11.Bb3 Bb4 12.Nd2 Nfd5 13.0–0 Nf4 14.Qf3 Bd2 15.Rfd1 Qg5 16.Ba3 Be6 17.h4 Qh4 18.Be6 Ne6 19.Bf8 Bf4 20.g3 Qg5 21.Bc5 Be5 22.Bb6 Bg3 23.Qg3 Qg3 24.fg3 ab6 25.d5 Nc5 26.d6 cd6 27.Rd6 h6 28.a3 Re8 29.Rb6 Re3 30.Kf2 Rc3 31.a4 f5 32.a5+– g5 33.Kg2 Rc2 34.Kf1 Nb3 35.a6 ba6 36.Raa6 Rc1 37.Ke2 Rc7 38.Rg6 Kf7 39.Raf6 Ke8 40.Rg8 Ke7 41.Rh6 Nd4 42.Ke3 Nb5 43.Rg5 Ke8 44.Rf5 Re7 45.Kf4 Nc3 46.Ra5 Kf8 47.Ra8 Kg7 48.Rah8 Nd5 49.Kf5 Nf6 50.Rd8 Nd7 51.Rg6 Kh7 52.Rd6 Nc5 53.g4 Re1 54.g5 Rf1 55.Ke5 Nd3 56.Rd3 1–0. themonkey (2145) – jairna1 (1895), GameColony.com, 2002.

7.Bc4 Ne4 8.Qe2 Ng5 9.Ne5 0–0 10.f4 Ne5 11.fe5 Bc5 12.Na3 Re8 13.Nc2 Bf5 14.d4 Bb6 15.0–0–0 Qd7 16.h4 Bg4 17.e6 Qe6 18.Qf1 Qg6 19.hg5 Bd1 20.Kd1 Rad8 21.Qf3 c5 22.bc6 bc6 23.Bd3 Qg5 24.Rh5 Qe7 25.Bh7 Kf8 26.Bd3 Qd6 27.Ba3 c5 28.Rc5! Bc5 29.Bc5 Qc5 30.dc5 Re5 1–0. Movei – BamBam, movei, 2002.

7.Qc2 a6

8.a4 0–0 9.ba6 Nc5 (9...b6 10.Bc4 Ba6 11.Ba6 Ra6 12.Nc3+=) 10.Bc4= (10.Be5 Be5 11.Ne5 Nfe4 12.ab7 Bb7 13.Qc4 Ba6–+; 10.Ne5?! Nfe4 11.Nc4 Qh4+= (worse is 11...Ra6 12.d4+=)) 10...Na6 (10...b6 A) worse is 11.Be5 Be5 (worse is 11...Nce4 12.d4+=) 12.Ne5 Qd4–/+; B) 11.Ne5 Nce4 12.a5 Be5 13.Be5+=) 11.d3 (11.Ne5!? Nb4 12.Qb3=) 11...Nb4+= 12.Qd1 Qe7 13.0–0 Bg4 14.Nbd2 c5 (14...Rfd8 15.Qb3+=) 15.h3= Bh5 16.Bb5 Rfd8 17.Qb3 Bc7 The backward pawn on d3 becomes a target 18.Rfd1 Bf3 19.Nf3 Nd7 (19...Nh5 20.Bc1=) 20.Bc3+= Nf8 21.Bc4 Ng6 22.Bd2 Rdc8 23.h4 Nf4 24.Bf4 ef4 25.Rab1 Ba5 26.e5 Rf8 27.d4 cd4 28.Rd4 Nc6 29.Rf4 Bc7 30.Re4 Ra5 31.Qc2 Kh8 32.Rb7 Be5?? 33.Re7 Re8 34.Re8# 1–0. Taulien,Hans_Juergen (2350) – Fischer,Detlev (2315), remoteschach.de, 2003.

8.a4 ab5 9.ab5 Ra1 10.Ba1 0–0 11.Bc4 Re8 (11...Qe7 A) 12.Bb2 Nb6 (12...Nc5 13.Nc3 Be6 14.Be6 Qe6 15.d3 Ra8 16.0–0 Qb3) 13.Be2 Nh5 14.0–0 Nf4 15.d4 Ne2 16.Qe2 ed4; B) 12.0–0 Nb6 13.Be2 Bg4 14.Nc3 Ra8 15.Bb2 Qe6 16.h3 Bh5; 11...Nb6 12.Be2 (12.Ne5 Qe7 13.f4 Nc4 14.Qc4 Be6 15.Qd3 Nh5 16.g3 f6) 12...Bg4 (12...Qe7 13.0–0 Bd7 14.d4 ed4 15.Nbd2 Nfd5 16.Bd4 Nf4) 13.Ne5 Be2 14.Ke2 Qe8 15.f4 Qb5 16.Qd3 Qa5) 12.Ng5 (12.0–0 Qe7 (12...Nb6 13.Be2 Bg4 14.h3 Bf3 15.Bf3 Qd7 16.Nc3 Ra8) 13.Bb2 Nb6 14.Be2 Be6 15.h3 h6 16.Rc1 h5; 12.Nc3 Nb6 13.Bb3 Bg4 14.Bb2 Bf3 15.gf3 Qd7 16.h4 Nh5) 12...Re7 13.0–0 h6 14.Bf7 (14.Nf3 Nb6 15.Be2 Bd7 16.Bb2 Re8) 14...Rf7 15.Nf7 Kf7 16.d3 (16.f4!? Qe8 17.Qb3 Kf8 18.fe5 Ne5 19.d4=; 16.d4 Qe7) 16...Nh5+= (16...Qe8–/+) 17.Nd2 Nf4 18.Nc4 Qe7 (18...Qg5 19.g3 Be7 20.Kh1=) 19.Bb2 (19.Nd6 Qd6 20.Rd1 Qg6=) 19...Nc5+= 20.Rd1 Qg5 21.f3 Nce6 (21...Bh3 A) 22.Nd6 cd6 23.Bc1 Qg2 24.Qg2 Ng2–/+ (24...Bg2?! 25.Bf4 Bf3 26.Rf1=); B) 22.g3+=) 22.b6 (22.d4 Nd4 23.Nd6 cd6 24.Bd4 ed4 25.Rd4 Nh3 26.Kh1 Qe3 27.gh3 Bh3–+) 22...Bd7+= 23.g3 Kg8 24.Ra1 Kh7 25.Nd6 (25.Kh1 Ng6=) 25...cd6 (25...Nh3 26.Kh1 cd6 27.Qe2–/+) 26.Kh1 Nh3 27.Qe2 Nc5 28.Bc1 Qd8 29.Rb1 (29.Be3 Qb6 30.d4 ed4 31.Bd4 Qb4–/+) 29...Nd3! 30.Be3 (30.Qd3 Nf2 Double attack (30...Nf2 Decoy)) 30...Nc5 31.Qd1 Qf6 32.Kg2 Ng5 33.h4 Nge6 34.Rb4 Be8 35.Qd6?? Nf4!!–+ 36.gf4 Qd6 37.fe5 Qg6 38.Kh2 Nd3 39.Rb1 Ne5 40.Rf1 Bc6 41.Bg5 Nf3! 42.Kg3 Qe4 43.Rf3 Qf3 (43...Qf3 44.Kh2 Qg2#) 0–1. Tiedemann,Joern (1810) – Schludecker,Elke (2110), remoteschach.de, 2005.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Nb6 11.Ne5 Qe7 12.f4 0–0 13.Bc4 Nc4 14.Qc4 Nh5 15.g3 Bh3 16.Kf2 Nf6 17.Rc1 Be5 (better is 17...Ra8!? 18.Bb2 Be6=) 18.fe5+/– (18.Be5?! Ng4 19.Ke2 Ne5+=) 18...Ng4 19.Kg1 Rd8 (better is 19...Qd7!?+/–) 20.Qc7+– Qc7? (better is 20...Qg5 21.Re1 Re8+–) 21.Rc7 1–0. Elschner,Gerald (2205) – Maly,Guenther (1740), RSX7E–A00–Sokolsky–1, 2008.

8.a4 ab5 9.ab5 Ra1 10.Ba1 Qe7 11.Bc4 Nb6 12.Be2 0–0 13.0–0 Bg4 14.Nc3 Ra8 15.h3 Bh5 16.g4 Bg6 17.Nh4 Nfd7 18.Ng6 hg6 19.Rd1 Qh4 20.Qd3 Bc5 21.Qf3 Bd4 22.Kg2 Nc5 23.Qg3 Qe7 24.Qf3=+ Ne6 25.Bb2 Nf4 26.Kh2 Qh4–/+ 27.Bf1 Nd7 28.Qg3 Qh6 29.Rc1 Nc5 30.Rc2 c6 31.bc6 bc6 32.Qf3 Nce6 33.Qg3 g5 34.Qf3 Qh4 35.Nd1 Bb2–/+ 36.Rb2 Nd4 37.Qg3 Ra1 38.Ne3 Qh6 39.Rb8 Kh7–/+ 40.Rb7 Qf6 41.Bc4 Nfe2 42.Rf7 Ng3 43.Rf6–/+ gf6 44.Kg3 Rg1 45.Ng2 Kg7 46.d3 Kf8 47.Ba6 Ke7 48.Bc4 Kd6 49.Bf7 Kc5 50.Bc4 Kb4 51.f3 Kc3 52.Kf2 Rh1 53.Kg3 Kd2 (54.Kf2 Rh3–+) 0–1. Van Rooijen,Peter – Hnatovsky,Nicholas, WCCF, 2003.

8.ba6 b5 =+.

8.Bc4 ab5 9.Bb5 Ra5 10.Nc3 c6 11.Be2 b6 12.d4 0–0 13.Rd1 Qc7 14.de5 Ne5 15.Nd4 Ng6 16.h3 Nf4 17.Bf3 Ba6 18.g3 Ne6 19.Nb3 Rg5 20.Ne2 Nd7 21.Bg4 Bb4 22.Kf1 Ne5 23.Be5 Re5 24.f4 f5 25.fe5 fg4 26.Kg2 Qe5 27.Ned4 Bd6 28.Nf5 Rf5 29.Rd6 Rf3 30.Rd8 Nd8 31.Rd1 Rg3 32.Kh1 Rh3 33.Kg1 Qg3 0–1. Fritz 5.32 – Fritz 8, 2003.

8.Bc4 ab5 9.Bb5 c6 10.Be2 Nc5 11.0–0 Nce4 12.Ne5 0–0 13.d4 Re8 14.Bd3 Ng5 15.Nc3 Ne6 16.Ne4 Ne4 17.Be4 Qh4 18.Rfe1 Ng5 19.Bd3 Be6=+ 20.g3 Qh3 21.Bf1 Qh5 22.Be2 Nh3 23.Kf1=+ Qh6 24.Bc1 Qf6 25.Bd3 c5 26.Bb2 cd4 27.Bd4= Be5 28.Bh7 Kh8 29.Re5 Rad8 30.Bf5 Rd4–+ 31.Re6 Re6 32.Bh3–/+ Rc6 33.Qf5 Qf5 34.Bf5 g6 35.Bh3 Rc2 36.Kg1 Rdd2 37.Bg2 b6 38.Be4 Rb2 (39.f4 Rh2–+) 0–1. Van Rooijen,Peter – Delooz,Philippe, CC.2003.0.00054, 2003.

5.c4 Ngf6

6.cd5 0–0 7.Nc3 e4 8.Ng5 Re8 (8...Nc5 9.Qb1 Re8 10.f3+=) 9.Qb1 Now all is on e4 (9.e3 h6 10.Nh3 Nb6+=) 9...Nc5+= 10.f3 Bf5 11.e3 (11.g3 Nd5 12.Nd5 Qg5–/+) 11...h6 12.Nh3 Bh3 13.gh3 Be5 14.f4 (14.Bc4 ef3 15.Qc2 Bc3 16.Bc3 Nd5–+) 14...Bc3 15.Bc3 Nd5 16.Rg1 (16.Bd4 Qh4 17.Kd1 Ne6 18.Qe4 A) 18...Nd4?! 19.Qd5 (19.Qd4?? Ne3 20.de3 Rad8–+) 19...Rad8 20.Qg2–+ (20.Qb7 Qh5 21.Kc1 Qc5 22.Bc4 Qc4 23.Kd1 Re3 24.Qc7 Qa4 25.Kc1 Ne2 26.Kb1 Rb3 27.ab3 Qb3); B) 18...Rad8–+) 16...Qh4 (16...Nc3 17.dc3 Qh4 18.Rg3–+) 17.Rg3–/+ Nc3 18.Qb2 N5a4 19.Qb3 Qf6 20.dc3 Rad8 (20...Nc3 21.Rc1 Na2 22.Qa2+/–) 21.Bc4 Nc5 (21...Re7 22.Qa3–/+) 22.Qa3 Nd3 23.Kf1 (23.Ke2 Qf5–/+) 23...h5 24.Rg2 Rd7 25.Ke2 Red8 26.Bd3 Rd3 27.Qb4 Rd2 (27...Rd2 28.Kf1 Rg2 29.Kg2 Rd2 30.Kh1 Qh4–+; 27...Rc3 28.Re1 Rc2 29.Kf1 Rg2 30.Kg2–+) 0–1. Rushton – Woelfelschneider,Peter, Tigerschachclub, 2001.

6.cd5 Nd5

7.e4 Nf4 8.d4 Qf6 9.Nc3 ed4 10.Qd4 Ne5 11.0–0–0 Be6 12.Ne1 Nfg6 13.g3 Qe7 14.f4 Bc5 15.Qa4 Ng4 16.Nd3 Ne3 (16...0–0–0 17.Nd5 Bd5 18.ed5 Ne3 19.Bg7 A) 19...Rd5?! 20.Bh3 Kb8 A1) 21.Nc5? Rc5 (21...Nd1?! 22.Nd7 Rd7 23.Bd7 Qe3 24.Kb1 Nc3 25.Bc3 Qc3 26.Rd1=) 22.Kb2 Rc4–+ (22...Nd1?! 23.Rd1 Re8 24.Bf1–/+); A2) 21.Bh8 Nd1 A21) 22.Nc5 Rc5 (22...Nh8?! 23.Nd7 Rd7 24.Bd7 Qe3 25.Kd1 Qf3 26.Kc1 Qh1 27.Qd1=; 22...Qc5?! 23.Kb1+=) 23.Kb1 Nf2–+ (23...Nh8 24.Rd1 Ng6 25.Bg2+=); A22) 22.Rd1 Nh8 A221) worse is 23.Nc5 Qc5 (worse is 23...Rc5 24.Kb1 f5 25.Qb3+/–) 24.Kb2 Rd1 (24...Qb5? 25.Qb5 Rb5 26.Kc3+–) 25.Qd1 Qb5 26.Kc3 Qc5 27.Kb3 Qe7+=; A222) 23.Bg2 Be3 24.Kb1=; B) 19...Rhg8–/+) 17.f5+= Nd1 18.Nd1 (18.Nd1 Nf8 19.fe6 Ne6 20.Nc3+=). Taulien,Hans_Juergen (2350) – Wokurka,Werner (2235), RSX8D–priv–XMAS, 2004.

7.e4 N5f6

8.Qc2 0–0 9.Nc3 Bc5 10.Bc4 =+.

8.Qc2 0–0 9.Nc3 Nc5 10.Rd1 Qe7 11.Bc4 Bg4 12.d4 ed4 13.Rd4 Rae8 =+.

8.Qc2 0–0 9.Nc3 Qe7 10.Bc4= Nb6 11.Be2 Nh5 12.g3 Bh3 13.a4 Qf6 14.a5 Bg2 15.ab6 Bh1 16.Nd5 Qe6 17.ba7 Bf3 18.Bf3 Nf6 19.Nc7 Rfc8 20.Na8 Rc2 21.Nc7! Rc7 22.a8Q Bf8 23.Qb8 Qd6 24.Bc3 Qc5 25.Bb4 Qb4 26.Qc7 Ne4 27.Qd8 Nc5 28.Be2 Qb2 29.Rd1 Qa2 30.h3 Qe6 31.Rc1 b6 32.Bf1 Qf5 33.Qd5 Ne4 34.f4 Ng3 35.Qe5 Qg6 36.Qd5 Qf6 37.Bd3 g6 38.f5 Nf5 39.Bf5 gf5 40.Rc4 Be7 41.Qg2 Kf8 42.Rc8 Bd8 43.Qd5 Qh4 44.Kd1 Ke8 45.Qe5 Qe7 46.Qh8 Kd7 47.Ra8 Qh4 48.Qc3 Ke8 49.Qc6 Ke7 50.Qb7 Kd6 51.Ra7 Qh3 52.Qc6 Ke5 53.Qe8 Kf4 54.Ra4 Kg5 55.Qd8 f6 56.Qg8 Kh6 57.Kc1 (57...f4 58.Ra7 Qh1 59.Kb2+–; 57.Kc2 Qh5+–) 1–0. Van Rooijen,Peter (1825) – Dobrin,Doron (1865), KO–284.1.4 IECC, 2000.

8.Qc2 0–0 9.Nc3 Qe7 10.Be2 Nc5 11.0–0 a6 12.ba6 Na6 13.Nb5 Bg4 =.

8.Qc2 Nc5 9.Ne5 Nce4 10.f3 Nc5 11.Bc4 Be6 12.0–0 0–0 13.d4 Bc4 =.

8.Qc2 Qe7 9.Be2 0–0 10.Nc3 Rd8 11.0–0 a6 12.ba6 ba6 13.Rab1 Bb7 =.

8.Nc3 0–0 9.Bd3 Nc5+= 10.Qe2 (10.Bc2 Re8+= (10...a6 11.0–0 Bg4 12.h3 Bh5 13.Qe2 Ne6 14.Qd3 Nf4 15.Qe3; 10...Bd7 11.d4 ed4 12.Qd4 Ne6 13.Qc4 Ng4 14.h3 Ne5 15.Ne5) 11.0–0 Bg4 12.h3 Bh5 13.Qe2 Ne6 14.Qd3 Nf4 15.Qe3) 10...Bg4 (10...Nh5 11.g3–/+ Bh3 12.Bc4 Rc8 13.0–0–0 Nf6 14.d4 ed4 15.Rd4) 11.0–0 (11.Bc4 Ne6+= 12.Qe3 Bc5 13.Qd3 Qd3 14.Bd3 Nf4 15.Ne5) 11...Nh5 (11...Ne6 12.Qd1+= (12.Nd5 Nd5 13.ed5 Nf4 14.Qe3 Re8 15.Rae1) 12...Bb4 13.Be2 Nf4 14.a3 Ba5 15.Re1) 12.Bc4 Nf4 (12...Ne6 13.Nd5+= Ng5 14.Qe3 Bf3 15.gf3) 13.Qe3 Bf3 (13...Qf6 14.Rfc1+= (14.Nd5 Nd5 15.Bd5) 14...Qg6 15.Ne5; 13...Nce6 14.Nd5 Bc5 15.Qc3) 14.Qf3= Nce6 (14...Qf6 15.Rac1= (15.Qg3=); 14...Qg5 15.Rad1) 15.Nd5+= Nd5 (15...Ng6+=) 16.ed5 (better is 16.Bd5!? Rb8 17.Rab1+=) 16...Nd4+= 17.Qd3 Bc5 18.Qe4 (18.a4 Qd6+=) 18...Qd6 19.Rfe1 Rae8 20.d3 (20.Rac1 Re7+=) 20...Nc2 (20...f5 21.Qh4 Nc2 22.d4 Bd4 23.Bd4 Ne1 24.Bc3–+) 21.Rad1 (better is 21.d4!? Nd4 22.Rac1–/+) 21...Ne1–+ 22.Re1 f5 (22...f6 23.Bc3–+) 23.Qh4 (23.Qf3 Kh8–+) 23...e4! 24.Qg5 (24.de4 fe4 Decoy) 24...Rf7 25.Bc1 (25.Re2 Ree7–+) 25...h6 (25...f4 26.Re4 Re4 27.de4 Bf2 28.Kf2 Qc5 29.Kf3 Qc4 30.Bf4–+) 26.Qh5 (26.Qh4 Bd4–+) 26...f4 27.Re4 Re4 (27...Bf2 28.Kf1 Re4 29.de4–+) 28.de4 Bf2! 29.Kf2? Qc5 (29...Qc5 30.Ke1 Qc4–+) 0–1. Tiedemann,Joern (1940) – Pechmann,Michael (2115), RSX20E–NoEngine–Grossturnier–1, 2010.

8.Nc3 0–0 9.Be2 Qe8 10.d4 ed4 11.Qd4 Ne5 12.0–0 Nf3 13.Bf3 Be5 14.Qc5 Nd7 15.Qe3 Nb6 16.Be2+= Be6 17.f4 Bd6 18.e5 Be7 19.Qe4 Rd8 20.f5 Bd5 21.Nd5 Rd5 22.Rad1+/– Bc5 23.Kh1 Qd7 24.Qg4 f6? 25.ef6+– Qf7 26.fg7 Rfd8 27.Qh4 Be7 28.f6 Rd1 29.Rd1 Rd1 30.Bd1 Qa2 31.fe7 Qf7 32.e8Q! Qe8 33.Bb3 Qf7 34.Qd8# 1–0. pierre – waterslag, internet, 2008.

8.d4 ed4 9.Qd4= 0–0 10.Nbd2 Re8 11.Bc4 Bc5 12.Qc3 Nb6 13.Bb3 Bg4? (Better is 13...Qe7 14.0–0 Bb4+=) 14.Ng5+– (14.Qc5?! Ne4 15.Ne4 Re4 16.Kf1 Qd3 17.Kg1 Bf3 18.gf3 Qf3–/+) 14...Re7? (Better is 14...Be6 15.Be6 Bf2 16.Kf2 fe6+–) 15.Qc5 Nbd7 16.Qe3 h6 17.Nf7 Rf7 18.e5 Ne8 19.Bf7 Kf7 20.Qf4 Kg8 21.Qg4 Qe7 22.0–0 c6 23.bc6 bc6 24.Qc4 Kh8 25.Qc6 Rb8 26.Bd4 Ne5 27.Qe4 Rb5 28.f4 Nf3 29.Rf3 Qe4 30.Ne4 Rb2 31.Bb2 Kh7 32.Ra3 a5 33.Kf2 Nc7 34.Be5 Nd5 35.Rg3 Nf6 36.Nf6 gf6 37.Rd1 fe5 38.Rd7 Kh8 39.f5 h5 40.f6 h4 41.Rg4 h3 42.f7 Kh7 43.f8Q 1–0. themonkey (2150) – joe_esk (1765), GameColony.com, 2002.

8.d4 Ne4 9.Bd3 Ng5 10.Ne5=.

8.d4 Ne4 9.de5 Bb4 10.Nfd2 Ndc5–/+.

6.cd5 e4

7.Nd4 Nb6 8.d3 =+.

7.Nd4 Nb6=+ 8.e3 0–0 9.d3 Nbd5 10.Nd2 Qe7 11.de4 Ne4 12.Ne4 Qe4 13.a3 Re8 14.Qd3 Nf6 15.Qe4+= Ne4 16.Bc4 Bd7 17.a4 a6 18.f3 Bb4 19.Ke2 Nc3 20.Bc3 Bc3 21.Rad1 Rab8 22.Rd3+= Bb4 23.Nc6 Bc6 24.bc6 b5 25.ab5 ab5 26.Bd5 Bd6 27.e4 b4 28.f4 b3 29.Rb1 b2 30.g3 Rb5 31.Kd2 Ra8 32.e5 Bb4 33.Ke2 Ba3 34.Be4 f6 35.Rd7 fe5 36.Rc7 Rc5 37.Rd7+= ef4 38.c7 Re8 39.Kd3 h6 40.Rd8 Kf7+= 41.Bd5 Kf8 42.Re1 b1Q 43.Rb1 Rc7 44.Re8 Ke8 45.gf4 Bd6 46.h4 Bf4 47.h5 Re7 48.Bc6 Kd8 49.Rf1 Bg5 50.Rf8 Kc7 51.Be4 Kd6 52.Bg6 Re3 ½–½. Taulien,Hans_Juergen – Kruse,Raphael, remoteschach.de, 2002.

7.Nd4 Nb6 8.e3 0–0 9.d3 Nbd5 10.Nd2 Re8 11.de4 Ne4 12.Ne4 Re4 13.Bd3 Bb4 14.Kf1 Re7 15.a3+= Ba5 16.Kg1 Re8 17.Qf3 Qg5 18.Rc1 Rd8 19.Rc5 Bb6 20.Rc2 Bg4 21.Qg3 Qh5 22.h3 Bd1 23.Rd2 Bd4 24.Bd4 g6 25.Kh2 Ba4 26.Rc1 c6 27.bc6 Bc6 28.Ba1 Re8 29.Rc4 Qh6 30.Rh4 Qf8 31.Bc4 (31...Qa3 32.Bb2+– (< 32.Bd5 Bd5 33.Bb2 Qe7 34.Rd5 f6+–)) 1–0. Van Rooijen,Peter (1700) – Ruiz Symmes (2080), Magistral LIAPE, 2002.

7.Ng5 0–0 8.Qc2 Re8 =+.

7.Ng5 Nd5 8.Ne4 Be5 9.d4 +=.

7.Ng5 h6 8.Nh3 Nb6 =+.

7.Ng5 h6 8.Nh3 Nd5?! 9.Bg7 Rg8 10.Nc3 =.

7.Ng5 h6 8.Nh3 Nd5?! 9.Bg7 Rg8 10.Bh6? Qf6 –+.

7.Nd4 0–0

8.Qc2!? =.

8.Nc3 Be5 9.Qb3?? Bd4–+ 10.e3 Be5 (11.d4 ed3–+) 0–1. Taulien,Hans_Juergen (2225) – Scheiba,Manfred (2325), RST–BL–2006–1, 2006.

8.Nf5 Nd5?! 9.Bg7 Be5 A) < 10.Bf8 Nf8 11.d4 ed3–/+; B) 10.Be5 Ne5 11.Ng3=.

8.Nf5 Be5=+

9.Nc3 Nd5 10.d4 ed3 11.Nd5 Bb2 12.Nfe7 Kh8 –/+.

9.Be5 Ne5 10.Ne3 Nd5 11.Nc3 c6 =+.

9.Be5 Ne5 10.Ne3 Nd5 11.Nd5 Qd5

12.Nc3 Qc5 13.Ne4 Qb5 14.Qc2 Rd8 15.e3 Nd3 16.Bd3 Qd3 (16...Rd3 17.Qc7 Be6 (17...Bd7 18.0–0 Rc8 19.Qf4 Qc4 20.Rfd1 f5 21.Nc3 Qf4 22.ef4 Rc4; 17...Bg4 18.0–0 Bf5 19.Nc3 Qc6 20.Qc6 bc6 21.Nb1 c5 22.Rc1 Rc8) 18.0–0 Qc6 19.Qc6 bc6 20.f3 Bd5 21.Rf2 Be4 22.fe4 Rad8) 17.Qd3 (17.Qc7 b6 (17...Bf5 18.Ng5 Qd2 19.Kf1 Qd3 20.Ke1 Rac8 21.Qf7 Kh8 22.Qf5 Qf5) 18.f3 f5 19.Nf6 gf6 20.Qg3 Kh8–+ (20...Kf7 21.Qf2 f4 22.e4 f5) 21.Qf2 f4 22.Qe2 Qe2) 17...Rd3 18.Ke2 Rd7 (18...Ra3 19.Rhc1 Bf5 20.Kf3 Be4 21.Ke4 c6 22.d4 Re8) 19.d4 (19.Rac1 b6 20.d3 Bb7 21.f3 Rad8 22.Rc3 c5) 19...b6 20.Nc3 (20.Rhd1 Ba6 21.Kd2 c5+= 22.Kc3 Bb7; 20.Rhc1 Bb7 21.f3 Re8 22.Ng5 f6) 20...Ba6 21.Kf3 (21.Ke1 Bb7 22.f3 c5) 21...Bb7 22.Kg3 Kf8 (22...Rad8 23.Rab1=; 22...c5=) 23.Rac1 Rad8 24.h4 (24.f3 a6=) 24...Rd6 (24...a6 25.Rc2=) 25.h5 c6 (25...a6 26.Rc2=) 26.Rc2 (26.a3 R6d7=) 26...Ke7= 27.a4 (27.Rh4 f5=) 27...Rf6 (27...c5 28.Nb5 Rd5 29.f3=) 28.a5 Ba6 (28...ba5 29.Ne4 Rh6 30.Kf4=) 29.Rhc1 Bd3 30.Rd2 Bf5 31.Rb2 b5 32.Na2 Bd3 33.Rc5 Bc4 34.Nb4 Kd7 35.f3 Rd6 36.Rd2 Kc7 37.Rd1 R8d7 38.Kf2 Kb7 39.g4 h6 40.g5 Rd8 41.Rg1 Bd5 42.e4 Bc4 43.Ke3 Rd4 44.Rc6 Rd3 45.Kf4+/– Rd1 46.a6 Kb8 47.Rg3 Rh8 48.gh6 gh6 49.Rg2 Rd7 50.Rc2 (50.Rc2 Rc7 51.Rd6+/–; 50.Rf6 Kc7 51.Rc2 Kc8+–) 1–0. Taulien,Hans_Juergen (2350) – Schuster,Peter (2440), RSS5D pro–18, 2004.

12.Nc3 Qd4 13.Qc2 Rd8 14.e3 Nd3 15.Qd3 Qd3 16.Bd3 ed3 17.Rb1 =.

12.Nc3 Qd4 13.Qc2 Rd8 14.e3 Nd3 15.Qd3 Qd3 16.Bd3 ed3 17.Rc1 =.

12.Nc3 Qd7 13.Qb3 Qd4 14.e3 Nd3 15.Bd3 Qd3 +=.

12.Nc3 Qd7 13.Ne4 Qb5=+ 14.Qc2 Rd8 15.e3 Qd5 16.Nc3 Qc6 17.Rc1 Ng4 18.f3 Nf6 19.Ne4+= Ne4 20.Qc6 bc6 21.fe4 Rb8 22.Bc4 Rb2= 23.Rf1 Be6 24.Be6 fe6 25.Rf2 Ra2 26.Rc6 a5 27.Re6 a4 28.Rc6+= Ra1 29.Ke2 Ra2 30.Kd1 a3 31.Rc7+– Rb2 32.Kc1 Rdb8 33.Rff7 Rb1 34.Kc2 a2 35.Rg7 Kf8 36.Rcf7 Ke8 37.Ra7 Rc8 38.Kd3 Rd8 39.Ke2 (39.Kc4 Rc8 40.Kd5 Rd8 41.Ke6 Rb6 42.Kf5 Rb5 43.e5 Kf8 44.Rgf7 Kg8+–). Van Rooijen,Peter – Dominguez,Carlos Isaias, Liape tt open gr A–T4 email, 2003.

12.Nc3 Qd7 13.Ne4 Qb5 14.d4 Bf5 15.e3 Qc6 16.Nc5 Rfe8 17.Rc1 Rad8 18.Qe2 Ng6 19.Qb5 Qf6 20.Be2 b6 21.Nb3 Be4 22.0–0 Nh4 23.f3 c6 24.Qb4 Qg5 25.Rf2 Bd5 26.e4 Bb3 27.f4 Qg6 28.Qb3 Qe4 29.Bc4 Qf5 30.g3 Ng6 31.Rd1 Rd6 32.a4 Red8 33.Rfd2 R6d7 34.Qe3 Ne7 35.Qe5 Kf8 36.Bb3 h6 37.Bc4 Qg6 38.Bb3 Nd5 39.f5 Qd6 40.Bd5 Qd5 41.Qf4 Rd6 42.Re1 c5 43.a5 cd4 44.ab6 ab6 45.Rd3 Rc6 46.Red1 Rc2 (47.R1d2 Rc1 48.Rd1 Rd1 49.Rd1 d3–+) 0–1. Taulien,Hans_Juergen (2225) – Wokurka,Werner (2215), RSX10D – XMAS–1, 2003.

12.Nc3 Qd8 13.Ne4= Bf5 14.Nc5 b6 15.d4 Ng4 16.Nb3+= Qh4 17.g3 Qf6 18.Qd2 Be4 19.f3 Bf3 20.Rg1 Nh2 21.0–0–0 Be4 22.Bh3 a5 23.Rh1? a4 24.Na1 Qf2 25.Nc2? Bh1–+ 26.Rh1 f5 27.Qe3–/+ Ng4 28.Qd3 Nh6–+ 29.Rf1 Qh2 30.Bf5 Nf5 31.Rf5 Rf5 32.Qf5 Re8 33.Qd5 Kh8 34.e3 Rf8 35.Kb2 Qg3 36.Kc3 g5 37.Qe4 Kg7 38.Kd3 h5 39.d5 0–1. Taulien,Hans_Juergen (2225) – Schnabel,Florian (2460), RSS5D pro–31, 2004.

12.Nc3 Qd8 13.Ne4= Bf5 14.Ng3 Re8 15.e3 Bd3 16.f4 Bf1 17.Kf1 Nd3 18.Rb1 Qd6 19.Qg4 Rad8 20.h4 Nc5 21.Kg1 Qb6 22.d4+= Nd7 23.Qf3 c5= 24.dc5 Nc5 25.Kh2 Nd3 26.e4 Qf6 27.Rbf1 Qh4 28.Kg1 Qf6 29.Rh3 Qb6–/+ 30.Kh2 Nc5 31.Qh5 h6–/+ 32.e5 Qg6 33.Nf5 Ne4 34.a4 b6 35.Kg1 Qh5 36.Rh5 Rd7 ½–½. Taulien,Hans_Juergen (2225) – Schnabel,Florian (2460), RSX – Spendenturnier, 2005.

7.Nd4 Nd5+=

8.Qb3 N7f6=+ 9.Nc3 Nc3 10.Qc3 0–0 11.e3 Bd7 12.Bc4 Qe7 13.0–0 Rfe8 14.d3 Qe5 15.g3 Rad8 16.Qc2 ed3 17.Bd3 Qh5 18.Be2 Bg4 19.Bd3 Be5 (20.Rfc1 Rd5=). Taulien,Hans_Juergen – Leisebein,Peter, RSS5D pro–5 remoteschach.de, 2003.

8.Qb3 N7f6 9.Nc3 Nc3 10.Qc3 0–0 11.e3 Bd7 12.Bc4 Qe7 13.0–0 Rfe8 14.f4 h5 (14...a6 15.a4+=) 15.h3 (15.a4 a6=) 15...Rab8 16.Rfd1 (16.Rab1 Rbd8=) 16...Bb4 (16...c5 17.Nc2=) 17.Qc2 (17.Qb3 Bd6=) 17...h4 18.Rab1 (18.Rac1 Rbd8=) 18...Rbd8 19.Ba1 (19.Rbc1 c6=) 19...Ba3 20.Nb3 Bc8 (20...Rc8 21.Na5=) 21.Bd4 Nh5 (21...Bd6 22.Nc5=) 22.Be5 (22.d3 ed3 23.Bd3 Rd4 24.ed4 Nf4=) 22...Bd6 (22...Nf6 23.Nd4=) 23.Qe4+= Ng3 (23...Nf6 24.Qg6 Be5 25.fe5=) 24.Qf3+/– Bf5 25.Rbc1 Bg6 (25...Be4 26.Qg4 Be5 27.fe5+/–) 26.Bb2 (better is 26.Qb7!? Be5 27.fe5 Qe5 28.Qa7+/–) 26...Bh5 27.Qb7 Bd1 28.Rd1 Bc5 29.Bd4 Bb6 30.Qf3 Qb4 31.Bd5 Ne2 32.Qe2 Rd5 33.Qg4 Bd4 34.Nd4 Qa4 35.Rc1 Qa2= 36.Qd1 Rd4 37.ed4 Qb2 38.Kh2 Qd4 39.Qg4 Qd2= 40.Rc7 Qf2 41.Rc3 g6 42.Rf3 ½–½. Taulien,Hans_Juergen (2350) – Leisebein,Peter (2425), RSS5D pro–18, 2004.

8.Qb3 N7f6=+ 9.Nc3 Nc3 10.Qc3 0–0 11.e3 Qe7 12.Be2 Qe5 13.f4 ef3 14.Nf3 Qc3 (14...Qh5 15.Qc2 Bg3 16.Kd1=+) 15.Bc3= (< 15.dc3 Re8–/+) 15...Nd5 16.Bb2 Re8 17.Nd4 Be5 18.0–0 0–1. Taulien,Hans_Juergen – Isigkeit,Hans_Juergen, R.–Tobies–Gedenkturnier–A, 2003.

8.Qb3 N7f6=+ 9.Nc3 Nc3 10.Bc3 a6 11.e3 0–0 12.ba6 ba6 13.Nc6 Qd7 14.Bf6 Qc6 15.Qc3 Qc3 16.Bc3 Be6 17.Be2 f5 ½–½. Taulien,Hans_Juergen – Bastian,Jochen, remoteschach.de, 2002.

8.Qc2 N7f6 9.a3 (9.Nc3 Nb4 10.Qb3 0–0+=) 9...0–0–/+ 10.e3 Qe7 (10...Be5 11.Nc3 Bd4 12.ed4–/+) 11.Be2 Bg4 (11...Qe5 12.Nc3+=) 12.Bg4+= Ng4 13.Nf5 (13.Nc3 Nc3 14.Bc3 A) 14...Nh2? 15.Nf5 Qe6 16.Nd6 Qd6 17.Qe4+–; B) worse is 14...Ba3 15.Nf5 Qg5 16.f3 Nh2 B1) 17.Ra3?? Qg2 18.Qe4 Nf3 (worse is 18...Qh1 19.Kf2 Qf1 20.Kg3 Qg1 21.Kh3–+) 19.Qf3 Qf3–+; B2) 17.Rh2 Qf5 18.Ra3+–; C) 14...Rfe8=) 13...Qe6 14.Ng7? (better is 14.Nd6 cd6 15.Nc3+=) 14...Qg6–+ 15.h4? (15.f3 ef3 16.Nf5 f2 17.Kf1–/+) 15...Nf2 16.Kf2 Qg3 (16...Qg3 17.Kf1 Qe3 18.de3 Ne3 19.Ke2 Nc2+–). Maly,Guenther (1740) – Tiedemann,Joern (2125), RSS7E basic–17, 2009.

8.d3 =+.

8.Nf5+= Be5 9.Be5 Ne5 10.Ng3 f5 11.Nc3 Be6 12.Nd5 Qd5 13.Nh5 Qd7 14.e3 0–0–0 15.Qc2 Bf7 16.Ng3 g6 17.Rc1 Rhe8 18.Be2 Nd3 (19.Bd3 ed3=). Van Rooijen,Peter (1690) – Udot,Oleg (1785), Telechess, 2004.

8.Nf5 Be5 9.Ng7 Kf8 10.Be5 Ne5 11.d4 ed3 12.Nh5 –/+.

8.Nf5 N7f6 9.Ng7 Ke7 10.Qb3 =.

8.Nf5!? Rg8 9.Ng7 Kf8 10.Nf5 +=.

5.e3 a6 6.ba6 ba6

6.a4 ab5 7.a5? (better is 7.Bb5 c6 8.Be2=+) 7...c6–+ 8.Bc3 Ngf6 9.Bd3?? (better is 9.d4 e4 10.Ne5–+) 9...b4 10.Bb2 e4 (10...Ra5?! 11.Ra5 Qa5 12.Be2–+) 11.Bf6 (11.Be2 ef3 12.Bf3 0–0–+) 11...Qf6 (< 11...gf6 12.Be2 ef3 13.Bf3–+) 12.Nd4 ed3 13.cd3 c5 14.Nc2 (14.Nb3 Ne5 15.Qe2 Bg4–+) 14...Qb2 15.0–0 b3 16.Nba3 Ra5 17.Rb1 bc2 (17...Ra3?! 18.Rb2 bc2 19.Qc2–/+) 18.Qc2 (18.Nc2 Qe5 19.f4–+) 18...Qa3 (18...Ra3?! 19.Rb2 0–0 20.Rb3 Rb3 21.Qb3–/+) 19.Rb3 (19.d4 c4–+) 19...Qa4 20.Qc3 0–0 21.Rb2 Be5 22.d4 cd4 23.ed4 Bd4 24.Qc2 Qc2 25.Rc2 Nc5 0–1. Maec,Michael – Baumann,Heinz, remoteschach.de, 2003.

6.ba6 ba6

7.c4 Rb8 8.Qc2 c6 9.Be2 Qc7 10.d3 Ngf6 11.Nbd2 0–0 12.cd5 =+.

7.c4 Bb7

8.Qa4 d4 9.ed4 Bf3 10.c5 Rb8 11.Qc2 Ba8 12.cd6 =+.

8.Nc3 c6= 9.Rb1 Ngf6 10.Be2 0–0 11.0–0 c5 12.cd5+= Nd5 13.Ne4 N5f6?? 14.Nd6+– Bf3 15.Bf3 Rb8 16.Qe2 Nb6 17.Be5 Nfd7 18.Bf4 g5 19.Bg3 g4 20.Bg4 Nf6 21.Nf5 Nbd7 22.Bb8 (22...Nb8 23.Rb7+–) 1–0. pierre – whoman, internet, 2008.

8.c5 Bc5 9.Ne5 Ne5 10.Be5 f6 11.Bg3 Ne7 12.d4 +=.

8.d4 A) 8...e4 9.Nfd2 Ngf6 10.Nc3 c6 11.c5 Bc7 12.Be2=; B) 8...ed4 9.Nd4 Ne7 10.cd5 Bb4 11.Nd2 Bd5 12.Nc2=.

8.cd5 Ngf6= 9.Nc3 Nd5 10.Rb1 0–0 11.Qc2 Nb4 12.Qf5 –/+.

5.e3 Ne7

6.Nc3 c5 7.bc6 bc6 8.Rb1 0–0 9.Be2 Nf6 10.d3 Qc7 11.h3 Bd7 12.0–0 Rab8 13.Nd2 e4 (13...Nf5!?–/+) 14.de4= Rfd8 (14...Bh2 15.Kh1 Be5 16.Ba1 Rb1 17.Qb1+=) 15.Qc1+= Bh2 16.Kh1 Be5 17.ed5 cd5 18.Nb5 Bb5 19.Be5 Qe5 20.Rb5 Rb5 21.Bb5 Qc3 22.Nb3 Qb4 23.Bd3 Nc6 24.Qd2 Qa3 25.Qc3 Rc8 26.Rb1 Nd7 27.Bb5 Ne7 28.Qb2 Qd6 29.Bd7 Qd7 30.Nd4 Nf5 31.Qb5 Qb5 32.Rb5 Nd4 33.ed4 h6 34.a4 Rc2= 35.Rd5 Rf2 36.Kh2 Rf6 37.Rd8 Kh7 38.a5 g5 39.Kg1 h5 40.Rd7 ½–½. Elschner,Gerald (2205) – Rosner,Dirk (2175), RSX15E3–A00–SokolskyT–1, 2007.

6.c4 0–0 7.cd5 Nd5 8.Bc4 N5f6 9.0–0 e4 10.Nd4 Nb6 (10...Ne5 11.Be2+=) 11.Be2 Nbd5 (11...Re8 12.Qb3+=) 12.f4 Bd7 (12...Bc5 13.a4=) 13.Qc2 (13.Nc3 c5 14.bc6 bc6=) 13...Nb4+= 14.Qc3 (14.Qb3 c5 15.bc6 bc6+= (worse is 15...Bc6 16.Nc6 bc6 17.Bf6 Qf6 18.Nc3+=)) 14...c5 15.bc6 Nc6 16.Nc6 Bc6 (worse is 16...bc6 17.Na3+=) 17.g4 Rc8 18.Qd4 Qb6 (18...h6 19.Na3+=) 19.Qb6= ab6 20.Bf6 gf6 21.Nc3 Bb4 22.Rac1 Rfd8 23.Rfd1 Bc3 (23...Kg7 24.Kf2=) 24.dc3 Bd5 (24...Rd1 25.Rd1 Ra8 26.Bc4=) 25.c4 (25.Rc2 Bc6+=) 25...Be6 (25...Bc6!?+=) 26.Rd8+/– Rd8 27.f5 Bc8 (27...Bd7 28.Rd1+/–) 28.Rd1 Rd1 29.Bd1 h5 30.h3 (30.Kf2 hg4 31.Bg4 Bd7+–) 30...Bd7 31.Kf2 h4 32.Ke2 b5 33.c5 b4 34.Kd2 Kf8 35.Bb3 Bb5 36.Ke1 Ke7 37.Bd5 Bd3 38.Kd2 Bf1= 39.Be4 Bh3–/+ 40.Bf3 Bf1–+ 41.Bb7 Bc4 42.Bg2 Ba2 43.Kc2 Bc4 44.c6?? Kd6–+ 45.Kb2 Be2 46.Bh3 Kc6 47.Kb3 Kc5 48.e4 Kd4 49.Kb4 Ke4 50.Kc5 Kf4 51.Bg2 Bg4 52.Kd4 h3 (52...h3 53.Bd5 Bf3 54.Bf7 h2–+) 0–1. Nikolic,Jovane (1725) – Salama,Andre (2025), Sao Paulo, 2010.

6.c4 c6 7.Nc3 0–0 8.bc6 bc6 9.cd5 cd5 10.Nb5 Bb8 11.Be2 Ng6 12.0–0 a6 13.Nc3 e4 14.Nd4 Nde5 15.Qb3 Be6 16.Rab1 Nd3 (16...Qc7!? 17.g3 Qd7=) 17.Ba3 (17.Bd3 ed3 18.f4 Ne7+/–) 17...Re8 18.Bd3 ed3 19.f4 Ba7? (19...Nf4 20.Qd1 Ng6–/+) 20.f5+– (20.Ne6?! fe6 21.f5 Rb8+=) 20...Bd4 21.ed4 (worse is 21.fe6 Be3 22.de3 fe6+–; 21.fg6?! Bf6 22.gh7 Kh8=) 21...Bf5 22.Rf5 Nh4 23.Re5 Re5 (23...Ng6 24.Re8 Qe8 25.Qd5+–) 24.de5 h6 25.Qd5 Qd5 26.Nd5 Rd8 27.Ne7 Kh7 28.Bd6 Ng6 29.Rb7 Ne7 30.Re7 Kg6 31.Kf2 Rc8 32.Bc7 Ra8 33.Ke3 a5 34.Kd3 1–0. mrkt – robak58, internet, 2011.

6.c4 e4 7.Nd4 c5 8.bc6 bc6 9.cd5 cd5 10.Nc3 Bb7 11.d3= Rc8 12.de4 Bb4 13.Rc1 Qa5 14.Qd2 a6 15.Nb3 Qb6+= 16.a3 Bd6= 17.Nd4 de4 18.Be2 Be5 19.Bg4 (19.0–0 Qh6 20.h3 0–0=) ½–½. Fournier,Frederic – Kristensen,Kolbjorn, corr FRA–NOR team m, 1997.

6.Be2 0–0 7.0–0 Ng6 8.d3 Nf6 9.Nbd2 Qe7 10.c4 Be6 11.a4 dc4 12.Nc4 Bc4 13.dc4 Rad8 14.Qc2 Rfe8 15.g3 Nd7 16.Rfd1 e4 17.Ne1 b6 18.Bf1 Nc5 19.Bd4 h5 (19...a5 20.Bg2=) 20.Bc5 Bc5 21.Rd8 Rd8 22.Bg2 f5 23.Rd1 Ne5 24.Bf1 g6 25.h4 Rd1 26.Qd1 Qd6 27.Qc2 ½–½. Grabmeier,Johannes (2105) – Simin,Vladimir (1870), Niederbayernliga, 2006.

6.Be2 a6 =+.

6.Be2 c6 7.c4 cb5 8.cb5 f6 9.0–0 b6 10.Ne1 Bb7 11.f3 0–0 12.d3 Rc8 13.e4 Bb8 14.Nd2 d4 15.Nc2 f5 16.Nc4 Ng6 17.Rc1 Nc5 18.Nb4 Nf4 19.Nc2 Qg5 20.g3 h5 21.Kh1 Nfe6 22.Rg1 fe4 23.fe4 Rf2 24.Rf1?? (24.Ne1 Qf6+=) 24...Rcf8 (24...Ne4 25.Kg1 (25.de4?? Be4 26.Bf3 Bf3 27.Qf3 Rf3 28.Rf3 Rc4–+) 25...Rf1 26.Bf1 Ng3 27.Bg2–+) 25.Nd2?? (better is 25.Rf2 Rf2 26.Ne1=) 25...h4 (25...Qd2 26.Rf2 Qd1 27.Rd1 (27.Bd1?? Rf2 28.Bd4 ed4–+) 27...Rf2 28.Re1–+) 26.g4?? (26.Rf2 Rf2 27.Nf3 Qg4–+) 26...Qf4 (better is 26...Qd2! 27.Qd2 Ne4–+) 27.Rf2–/+ Qf2 28.Qf1? Ng5 29.Qf2 Rf2 30.Re1 Bc8 31.Bc1 Nh3 32.Bf3?? Nd3 33.Rd1 Nc1 34.Rc1 Rd2 35.Nd4 Bd7 36.Nf5 Ra2 37.Nh4 Kh7 38.Rb1 Bd6 39.Rd1 Nf2 (39...Nf2 40.Kg1 Nd1 41.Bd1 Bc5 42.Kh1 Bb5–+) 0–1. Valpa – Wernswig, playchess.de, 2005.

5.e3 Ngf6

6.Ba3 Ba3 7.Na3 0–0 +=.

6.Ba3 Ba3 7.Na3 Qe7 +=.

6.a4 e4 7.Nd4 0–0 8.Be2 (8.Nc3 Ne5 (8...Rb8 9.Be2 Ne5 10.0–0 c5 11.bc6 bc6 12.Rb1 Rb4) 9.Be2 c5 10.bc6 bc6 11.0–0 Rb8 12.Rb1 Rb4) 8...a6 (8...Nc5 9.Nc3 Be5 10.0–0 g5 11.g3 Bh3 12.Re1 Re8; 8...Rb8 9.Nc3 Ne5 10.0–0 c5 11.bc6 bc6 12.Rb1 Rb4) 9.0–0 (9.Nc3 Ne5 10.0–0 c5 11.bc6 bc6 12.f4 ef3) 9...c5 (9...ab5 10.ab5 Ra1 11.Ba1 Nc5 12.Nc3 Bd7) 10.bc6 bc6 11.Nf5 (11.Nc3 Ne5 12.f4 ef3) 11...Be5 (11...Bc7 12.f4 ef3) 12.Qc1 (12.Nc3 Nc5+= (12...Nb6 13.Ng3 c5+=)) 12...Qc7 (12...Rb8 13.Bc3+=; 12...g6–/+) 13.Ng3 h5 (13...Nc5 14.Ra3+=) 14.d4 (14.f4 ef3 15.Be5 Ne5 16.Bf3 h4+=) 14...Bd6 15.Ba3 (15.Kh1 g6 16.Rg1 h4+=) 15...c5 16.Rd1 h4 17.Nf1 h3 18.g3 cd4 (18...Rd8 19.c4+=) 19.Bd6 Qd6 20.ed4 a5 21.Na3 Nb6 22.c4 (22.Ne3 Na4 23.Nb5 Qb4=) 22...dc4+= (worse is 22...Na4 23.c5 Qb8 24.Rb1+/–) 23.Ne3 Be6 24.Nac4 Bc4 25.Nc4 Nc4 26.Bc4 Rac8 27.Qc2 Nd5 28.Qb3 Rb8 29.Bb5 Qe6 (29...Rfc8 30.Rac1=) 30.Rdc1 e3 31.fe3 Qe4 (31...Ne3 32.Qd3=) 32.Rc2 (32.Ra2 Rfc8 (32...Ne3? 33.Re2+–) 33.Rc5 Rc5 34.dc5 Ne3=) 32...Ne3= 33.Rd2 Nd5 34.Qd3 Qg4 (34...Qd3 35.Rd3 Rfc8 36.Rd2=) 35.Re1+= Rfc8 36.Rf2 Rc7 (36...Rc3 37.Qf5 Qf5 38.Rf5=) 37.Qd2 (37.Rfe2 Nf6+=) 37...Nb4 (37...Nc3 38.Bd3 Qd7 39.Qf4=) 38.Rf4 Rc2 39.Qc2 Qf4 40.Qe4 Qd6 41.Qe5 (41.Bc4 Qc6 42.Qc6 Nc6=) 41...Rd8 42.Qd6 Rd6 43.Re8 Kh7 44.Ra8 Rd4 45.Ra5 Rd1 46.Bf1 Kg6 47.Rc5 f5 48.a5 Kg5 49.Rb5 Nd5= 50.Rb3 Ra1 51.a6 Nf6 52.Re3 Ne4 53.Re2 Kh5 54.Rc2 g5 55.Rb2 g4 56.Rb5 Kg5 57.Rd5 Kf6 58.Rd8 Ke7 59.Rd5 Ke6 60.Rd8 Ke7 61.Rd5= Nd6 62.Rc5 Kf6 63.Rc6 Ke5 64.Rc5 Kd4–/+ 65.Rc6 Ke5 66.Rc5+= Ke4 67.Rc6 Nb5 68.Re6 Kf3 69.a7? Na7 70.Re5–/+ Nc6 71.Rf5 Ke3 72.Rc5 Nd4 73.Re5 Kf3 74.Re8 Ra2 75.Rg8 Rb2 76.Re8 Rd2 77.Re7 Rc2 78.Re8 Rd2 79.Re7 Ra2 80.Re8 ½–½. Schlaeger,Michael (2270) – Elschner,Gerald (2205), RSX7E – A00 – Sokolsky–1, 2008.

6.a4 e4 7.Nd4 a6 A) 8.ba6 0–0 (8...Ne5 9.ab7 Bb7 10.a5 0–0 11.a6 Bc8 12.a7 Qe7) 9.ab7 Bb7 10.a5 Ne5 11.a6 Bc8 12.Nc3 c6; B) 8.Nc3 Ne5 (8...0–0 9.Nf5 Nc5 10.Nd6 Qd6 11.Be2 Bf5 12.0–0 Be6) 9.Be2 c5 10.bc6 bc6 11.f4 ef3 12.Nf3 0–0; C) 8.Nf5 Bf8 (8...0–0 9.Nd6 cd6 10.Nc3 Ne5 11.Be2 Qc7 12.0–0 Bd7) 9.Nc3 Ne5 10.Nd4 Bd6 11.Be2 c5 12.bc6 bc6.

6.a4 e4 7.Nd4 Ne5 A) 8.Nc3 0–0 (8...c6 9.bc6 bc6 10.Be2 0–0 11.0–0 Rb8 12.Rb1 Rb4) 9.Be2 c5 10.bc6 bc6 11.0–0 Rb8 12.Rb1 Rb4; B) 8.h3 Rb8 (8...0–0 9.Nc3 c5 10.bc6 bc6 11.Be2 Rb8 12.Rb1 Bd7) 9.Nc3 0–0 10.Be2 c5 11.bc6 bc6 12.Rb1 Bd7; C) 8.Be2+= 0–0 (8...c6 9.bc6 bc6 10.Nc3 0–0 11.0–0 Rb8 12.Rb1 Rb4) 9.Nc3 c5 10.bc6 bc6 11.0–0 Rb8 12.Rb1 Rb4.

6.a4 e4 7.Nd4 Nf8 A) 8.Nc3 Ne6 (8...Be5 9.Ba3 Bd4 10.ed4 Bf5 11.Be2 Ne6 12.0–0 Nd4) 9.Nf5 0–0 10.Nd6 Qd6 11.Be2 d4 12.Ba3 Nc5; B) 8.c4 dc4 (8...Ne6 9.cd5 Nd5 10.Nf5 0–0 11.Nc3 Nf6 12.Nd6 Qd6) 9.Na3 Ne6 10.Nf5 Bc5 11.Bc4 0–0 12.Qc2 Ng5; C) 8.Be2 Ne6 (8...h6 9.Nc3 Ne6 10.Nf5 0–0 11.f3 Nc5 12.Nd6 Qd6) 9.Nf5 Bc5 10.0–0 0–0 11.d4 ed3 12.Bd3 Ng5.

6.Nc3 0–0 7.Be2 c6 8.bc6 bc6 9.0–0 c5 10.Nb5 Bb8 11.Rb1 a6 12.Nc3 Bb7 13.d4 cd4 14.ed4 ed4 (better is 14...e4!? 15.Ne5 Ne5 (worse is 15...Be5 16.de5 Ne5 17.Ne4 Ne4 18.Be5+=) 16.de5 Be5 17.Ne4 Bh2 (worse is 17...de4 18.Be5 Bc6 19.Qc1+=) 18.Kh2 Ne4+=) 15.Qd4= Re8 16.Ba3 Be5?? (better is 16...Qc7=) 17.Ne5+– Ne5 18.Rb7 Nc6 19.Qa4 Ne5 20.Rd1 (20.Ba6 Qc8 21.Bb2 Qe6 22.Nd5 Nd5+/–) 20...Nc4 (20...Qc8 21.Rb3 Nc4+–) 21.Bc4 (21.Bc4 Qc8 22.Qe8 Ne8 23.Bd5+–) 1–0. bwall (2000) – yannigator (1970), net–chess.com, 2011.

6.c4 0–0 7.Nc3 dc4 8.Bc4 Qe7 9.a4 e4 10.Nd4 Nc5 11.f4 Bg4 12.Qc2 Rad8 13.Nce2 Nd3 14.Bd3= ed3 15.Qd3 Ne4 16.Ng3 f5 17.Qb3 Kh8= 18.Ne6 Nc5 19.Nc5 Bc5 20.Be5 h5?? 21.d4 Bb4+/– 22.Kf1 h4 23.h3 Bf3 24.gf3 hg3 25.Rg1 Bd6 26.Rg3 Be5 27.fe5 f4 28.Rg4 fe3 29.Ke2 Rf5 30.Rag1 g5 31.h4! gh4 32.Qe3 Rf7?? 33.Rh1 Rh7 34.Qf4 Rf8 35.Qg5 Qa3 36.Rgh4 Qf3 37.Kd2 Qh1 38.Rh1 Rh1 39.e6 Rh7 40.d5 Rg7?? 41.e7 (41...Rf2 42.Ke3 Rg5 43.e8Q Kg7 44.Qe7 Kg6 45.Kf2 Rf5 46.Ke2+–) 1–0. Werk,Manfred – Mehne,Claudius (2145), Baden–ch Waldshut, 2002.

6.c4 0–0 7.d4 e4 8.Nfd2 c6 (8...dc4 9.Nc3+=) 9.Nc3 Bc7 (9...Re8 10.c5 Be7 11.Rb1=) 10.Be2 Re8 11.Qb3 Nf8 12.a4 Ng6 13.c5 (13.Ba3 Be6=) 13...Ng4 (13...Bg4 14.Rb1+=) 14.g3 (14.h3 Qh4 15.0–0 Nf6+=) 14...Qf6 Black is in command 15.0–0 Nh2 16.Nde4 (16.Kh2 Qh4 17.Kg1 Bg3 18.fg3 Qg3 19.Kh1 Nh4–+) 16...Re4?? (16...de4 17.Kh2) 17.Ne4= (17.Kh2?? Qh4 18.Kg1 Bg3 19.fg3 Qg3 20.Kh1 Rh4) 17...de4 18.d5?? Nf3–+ 19.Bf3 Qf3 20.Qd1 cd5 21.Qf3 ef3 22.a5 Be5 23.Be5–/+ Ne5 24.Rfd1 Be6 25.Rd4? Rc8 26.e4 Rc5 27.ed5 Bd7 28.b6 a6 29.Re1 f6 30.Re3? Ra5 31.Rc3 Rb5 (31...Rb5 32.Rc7 Rb1 33.Kh2 Rb6–+) 0–1. Sticker,Otto – Schmitz,Heinrich Karl, Bad Wildbad op, 2000.

6.c4 b6 7.cd5= Nd5 8.Bc4 (8.Qc2 Bb7=) 8...Bb7 9.0–0 0–0 10.d4 e4 11.Ne5 N7f6 (11...Re8 12.f4=) 12.Qb3+= Rc8 (12...Qe8 13.Nd2+=) 13.Nc3+/– Be7 14.a4 h6 15.a5 Re8? (better is 15...Kh7!?+/–) 16.ab6 (16.a6 Ba8 17.Nc6 Bc6 18.bc6 Nc3 19.Bf7 Kh7 20.Bc3 Rf8+–) 16...ab6 (16...cb6 17.Ra7 Rc4 18.Nc4+– (18.Rb7?! Rc3 19.Bc3 Qc8 20.Re7 Re7+/–)) 17.Nc6 (17.Ra7 Nc3 18.Nf7 Ne2 19.Kh1 Qd5+–) 17...Bc6 18.bc6 Rf8?? (better is 18...Nc3 19.Bf7 Kh7 20.Bc3 Rf8+–) 19.Bd5 (19.Nd5 Bd6+–) 19...Bd6 (19...Nd5 20.Qd5 Qd5 21.Nd5+–) 20.g3 (better is 20.Ra7 Qe7+–) 20...Ng4 (20...Qe7 21.Bc4+–) 21.Ne4 Qe7 (21...Nf6 22.Nf6 Qf6 23.e4+–) 22.Nd6 Qd6 (22...cd6 23.Rfc1+–) 23.Ba3 (23.Ba3 Qg6 24.Bf8 Rf8 25.Ra7+–) 1–0. Labitte,Alain – Poslednik,Patrick, Bethune–D, 2001.

6.c4 Qe7 7.cd5 Nd5 8.Nc3 Nc3 9.Bc3 0–0 10.Be2 Nc5 11.Qc2 (11.d4 Ne4 12.de5 Nc3 13.ed6 cd6=) 11...Bg4 (11...e4!? 12.Nd4 Qg5+=) 12.d4 (12.Be5 Be5 13.Ne5 Be2=) 12...ed4 13.Nd4 (13.Bd4 Ne6 14.Bc3 Rfd8=) 13...Be2+= 14.Ne2 Ne4 15.0–0 Nc3 (15...a6 16.a4+=) 16.Nc3 Qe5 Threatening mate: Qxh2 17.g3 Bb4 18.Rac1 a6 (18...Rad8 19.Qb3 Ba5 20.Qa3=) 19.Qb3= Bc3 20.Qc3 Qc3 (20...Qb5!? 21.Qc7 Rad8=) ½–½. Buczinski,Henryk – Przybyszewski,Alojz, Katowice, 1966.

6.Be2 a6 7.a4 (7.Nc3 0–0+=) 7...0–0 8.0–0 c5 (8...ab5 9.ab5 Ra1 10.Ba1+=) 9.c4 (9.bc6 bc6 10.Nc3 Qc7–/+) 9...Qc7 (9...e4 10.Ne1–/+) 10.h3 e4 11.Ne1 Be5 (11...dc4 12.Bc4 ab5 13.Bb5 Bh2 14.Kh1+=) 12.Be5+= Qe5 13.Na3 d4 (13...b6 14.d3+=) 14.ed4 cd4 15.d3 Nc5 16.ba6 (16.de4 A) worse is 16...Nce4 17.Nf3 Qf4 18.Qd4+= (18.Nd4? Nc3 19.Qe1 Qd4–+); B) 16...Qe4?! 17.Nd3 Na4 18.Bf3=; C) 16...Nfe4 17.Nf3 Qf4–/+) 16...Ra6 17.Nb5 (17.de4 Qe4 18.Nb5 Rd8=) 17...Rd8 18.Ra3 (18.de4 Nfe4 (worse is 18...Nce4 19.Nf3 Qf4 20.Re1+=) 19.Nf3 Qf6+=) 18...Bf5 19.de4 Be4 20.Nf3 (20.a5 Qf4+=) 20...Bf3–/+ 21.Bf3 d3 (21...Qf4 22.g3 Qf5 23.Bg2+=) 22.Re1 (22.Qd2 Nfe4 23.Qb4 Ng5–/+) 22...Qb2 (22...Qf4 23.Qb1–/+) 23.Re7 (23.a5 b6–/+) 23...Qb4 (better is 23...Qc2–/+) 24.Bb7 (better is 24.Bh5!? Ra4 25.Ra4 Qa4 26.Rc7–+) 24...Ra4–+ (24...Nb7?! 25.Rb7 Re6 26.Rc3=) 25.Rc3?! Ra5 (25...Ra5 26.Qd2 Na4–+; 25...Qb2!? 26.Kh2 Ra1 27.Rc2 Qe5 28.Re5 Rd1 29.Rb2 Nb7 30.Nc3–+) 0–1. Francia,Pasquale – Paliman, Schemingmind.com, 2005.

6.Be2 b6 7.d4 Qe7 8.de5 Ne5 9.Nbd2 a6 10.a4 Bb7 11.Nd4 0–0 12.Nf5 +=. Vila – Brown, (year?).

6.Be2 c6 7.0–0 cb5 8.Bb5 0–0 +=.

6.Be2 c6 7.Ba3 c5–/+ 8.d4 Qe7 (8...ed4 9.ed4 0–0 10.0–0+=) 9.Nh4 (9.dc5 Nc5 10.0–0 0–0–/+) 9...Nb6 10.dc5 Bc5 11.Bc5 Qc5 12.0–0 e4 13.g3 Bh3 14.Re1 0–0 15.a4 Rfc8 16.Ra2 a6 17.ba6 ba6 18.Qd4 Nc4 19.Qc5 Rc5 20.Bc4 Rc4 21.Nd2 Rc3 22.Ng2 Rac8 23.Rc1 Bg4 24.Ne1 Nd7 25.Rb1 Kf8 26.Kg2 Ke7 27.h3 Be2 28.Nb3 Kd6 29.Nd4 Bc4 30.Raa1 Kc7 31.Rd1 Rb8–/+ 32.g4 Nc5 33.Nf5 Ne6 34.h4 a5 35.Kg1 g6 36.Nh6 Rf8 37.g5–/+ Nc5 38.Rd2 Kc6 39.Ng4 Nd7 40.Ng2 f5 41.gf6 h5 42.Nh2 Ne5 43.Nf4 Rf6 44.Rad1 Rd6 45.Ra1 Kc5 46.Nh3 Nc6 47.Nf4 Ne7 48.Ng2 Nf5 49.Rad1? Ra3 50.c3 Rb6 51.f3 Ra4 52.fe4 de4 53.Nf1 Rb8 54.Rf2 Bf1 55.Rdf1 Kc4 56.Rd2 Rb3 57.Re1 Rc3 58.Rd8 Ra2 59.Rc8 Kb3 60.Rb8 Ka3 61.Rb6 Ne7 62.Rb5 a4 63.Rg5 Rc6 64.Nf4 Rf6 65.Rc5 Rb6 66.Rg5 Nf5 67.Ng6 Rg6! 68.Rg6 Nh4 69.Rh6 Nf3 70.Kf1 Ne1 71.Ke1 Kb3 72.Rh5 a3 73.Rb5 Kc4 74.Ra5 Kc3 75.Rc5 Kd3 76.Ra5 Ke3 77.Kd1 Kf2 78.Rf5 Kg3 (78...Kg3 79.Ra5 Ra1 80.Kc2 e3–+) 0–1. Hohlstein,Walter (2080) – Buchmann,Hans_Peter (2250), RSX15E3–A00–SokolskyT–1, 2007.

6.Be2 c6 7.a4 Qc7 (7...0–0 8.0–0+=) 8.g3 (8.Nh4 Nc5+=) 8...0–0–/+ 9.0–0 Nc5 (9...Nb6 10.d3–/+) 10.d3 (10.Ne5 Bh3 11.Re1 Be5 12.Be5 Qe5+=) 10...Bh3+= 11.Re1 Ne6 (11...Ncd7 12.Nbd2+=) 12.Nbd2+= Rad8 (12...Bg4 13.c4+=) 13.Ra2 (better is 13.c4+=) 13...e4?? (13...Rfe8 14.Qa1 Nd7 15.c4+=) 14.Nd4?? (better is 14.Bf6 ef3 15.Bf1 (worse is 15.Bd8 fe2 16.Bc7 ed1Q 17.Rd1 Bc7–/+) 15...gf6 16.Bh3+/–) 14...c5 (14...Nc5 15.a5+=) 15.Ne6 fe6 (15...Be6 16.Bf6 gf6 17.a5=) 16.Bf1 (16.Bf6!? Qf7 17.de4 Qf6 18.f4=) 16...Bg4+= 17.Qa1 ed3 (17...Bf5 18.Bf6 Rf6 19.de4 de4 20.c3=) 18.cd3 Nh5 19.f4 Bf5 20.Nf3 Nf6 21.Be5 Be5 22.Qe5 Qa5 23.Rc1 Rfe8 24.Qc3 Qc3= 25.Rc3 Nd7 26.h3 e5= 27.g4 Be6 28.d4= cd4 29.ed4 ef4 30.Ng5 Nf8 31.Ne6 Ne6–/+ 32.Rd2 Ng5 33.Re2 Re2 34.Be2 Re8 35.Bf1 Ne6 36.Bg2 Rd8 37.Rd3 Ng5 38.h4 Ne4 39.Rf3 Rf8 40.g5 h6 41.g6 h5 42.Bh3 Rf6 43.Kh2 Nd2 44.Rc3 Nc4 45.Bc8 Nd6 46.Rc5 f3 47.Kg1?? f2–+ 48.Kf1 Ne4 49.Be6 Kf8 50.Rc8 Ke7 51.Bh3 Ng3 52.Kg2 f1Q 0–1. Starr,Albert – Naroditsky,Alan (1655), Spring TNM San Francisco, 2006.

6.Be2 c6 7.Nc3!? =.

6.Be2 e4 7.Nd4 Ne5 8.Nc3 0–0 9.0–0 c5 10.bc6 bc6 11.Rb1 Qe7 12.d3 Bd7 13.Nb3 Nfg4 14.g3 Qe6 15.de4 Nh2 16.Nd5 Nf1 17.Nf4 Qe7 18.Qf1 Rfd8 19.Nd3 Rab8 20.f4 Nc4 21.Bd4 Rb3 22.ab3 Nd2 23.Qe1 Nb1 24.e5 Ba3 25.Qb1 c5 26.Bc3 Qe6 27.Bf3 c4 28.bc4 Qc4 29.Bd4 Bc6 30.Bc6 Qc6 31.Ba7 Qf3 32.Qe1 Rc8 33.c3 Be7 34.Qf2 Qe4 35.Ne1 Rc3 36.Bd4 Rc8 37.Qd2 Qb1 38.Bc3 Qb3 39.Bd4 Bb4 40.Qd3 Qa2 41.Ng2 Rc1 42.Kh2 Qd5 43.g4 Qf3 0–1. pcmvr (2765) – pumpkin (2770), net–chess.com, 2014.

6.Be2 Qe7 =+.

6.a4 0–0

7.d4 ed4 8.Bd4 c5 9.Bb2 Qe7 10.Be2 Re8 11.Nc3 d4 (11...Qe6 12.0–0=) 12.ed4 cd4 13.Qd4 Ne5 14.0–0–0 Bc7 15.Rhe1 Qf8 16.Nd5 Nd5 17.Qd5 Ng4 18.Qb3 Be6 (18...Nh2 19.Ba3 Nf3 20.Bf3 (20.Bf8 Ne1 21.Bb4 Re2 22.Re1 Re1 23.Be1 Bf4 24.Kb1 h6+–; 20.Qf3?! Bg4 21.Bf8 Bf3 22.Bf3 Re1 23.Re1 Kf8+/–) 20...Re1 21.Bf8+– (21.Re1?! Qd8+/–); worse is 18...Nf2 19.Ba3 Be6 A) worse is 20.Bf8 Bb3 21.Rd7 Bf4 (21...Kf8?! 22.cb3 Ba5 23.Bc4 Be1 24.Rf7 Kg8 25.Ne1 Re1 26.Kd2+=) 22.Kb2 Be6–/+ (22...Ba4?! 23.Be7 Rac8 24.Rb7+=); B) 20.c4+=; 18...Bh2?? 19.Nh2 Nf2 20.Ba3+–) 19.Bc4 Nf2 20.Be6 Bf4 (20...Re6 21.Re6 Nd1 22.Ba3 Bf4 23.Kb1+/–) 21.Kb1 Re6 (worse is 21...Nd1 22.Ba3 Re7 23.Bf7 Qf7 24.Re7 Qb3 25.cb3+–) 22.Re6 Nd1 23.Ba3 Qd8 (23...Qc8!? 24.Re7 Qf5+/–) 24.Re7+– Qd5 25.Qd5 Nc3 26.Kb2 Nd5 27.Rb7 g5 28.g3 g4 29.Nh4 Be5 30.Kb3 Rc8 31.c4 (31.Ra7?! Rc3 32.Ka2 Rc2 33.Kb1 Rh2=) 31...Ne3 32.Ra7 Rc4 33.Ra8 Kg7 34.Nf5! Kf6 (34...Nf5 35.Bf8 Double attack (35.Kc4 Deflection)) 35.Bb2 Kf5 36.Be5 Ke5 37.Re8 Kd4 38.Re3! Rc1 (38...Ke3 39.Kc4 Deflection (39.Kc4 Remove defender; 39.Kc4 Overloading)) 39.Re2 Kd3 40.Rb2 Rc8 (40...Rc7 41.a5 Rc5 42.Kb4 Rc4 43.Ka3+–) 41.b6 f5 (41...Rb8 42.a5+–) 42.a5 f4 43.gf4 Rb8 (43...Ke4+–) 44.Ka2 g3 45.hg3 Ra8 (45...h5 46.a6 h4 47.gh4+–) 46.Rb5 (better is 46.b7 Ra5 47.Kb1 Ke3+–) 46...Kc4 47.b7 (47.b7 Rf8 48.a6 Kb5 49.a7+–) 1–0. Jesche,Lothar (2300) – Hohlstein,Walter (2080), RSX15E3 – A00 – SokolskyT–1, 2007.

7.d4 ed4 8.Bd4 c5 9.bc6 bc6 –/+.

7.d4 ed4 8.Nd4 c5 (8...Ne4 9.Bd3 Qg5 10.0–0–/+) 9.Nb3 (9.bc6 bc6 10.Nc3 Qc7–/+) 9...Qe7 (9...c4 10.Nd4 Ne4 11.Be2 Qa5 12.c3–/+) 10.Be2–/+ Ne5 11.0–0 Re8 12.Nc3 Neg4 13.g3 (13.Nd5?? Bh2 14.Kh1 Nd5 15.Bg4 Qh4–+) 13...Ne3 14.fe3 Qe3 15.Rf2 d4 16.Bc1 Qe7 (16...Qc3?! 17.Bd2 Qb2 18.Bc1=) 17.Nb1 Ne4 18.Rf1 Ng3 19.hg3 Bg3 (19...Bg3 20.Bc4 Qh4+=). Buchmann,Hans_Peter (2250) – Jesche,Lothar (2300), RSX15E3 – A00 – SokolskyT–1, 2007.

7.d4 e4 8.Nfd2 c5 9.c4 –/+.

7.Be2 c6 –/+.

6.c4 dc4

7.Bc4 0–0 8.Nc3 Nb6 9.Bb3 Qe7 10.h3 (10.0–0 Bf5=) 10...Bf5 (10...e4 11.Nd4+=) 11.d3= Rad8 12.e4 Be6 13.Be6 Qe6 14.Qc2 Nh5 15.0–0 c6 (15...h6 16.a4=) 16.bc6+= bc6 17.Ne2 Be7? (better is 17...c5+=) 18.Be5 Nd7? (better is 18...c5+–) 19.Ned4 Qg6 20.Nc6 Rde8 21.Ne7 Re7 22.Bh2 Ree8 (22...Qf6 23.Qd2+–) 23.Qc7 White plans e5 23...Nhf6 (23...Rd8 24.Rab1+–) 24.e5 1–0. Vrioni,Bersan (1855) – Bindzus,E (1910), Chennai IND, 2012.

7.Bc4 0–0 8.d3 +=.

7.Bc4 Nb6 8.Be2 Qe7 9.0–0 0–0 10.a4 c6 11.Ba3 Ba3 12.Na3 cb5 13.Nb5 a6 14.Nc3 Bg4 15.a5 Nbd5 16.Nd5 Nd5 17.Qb3 Nf6 18.h3 Bh5 19.Rfe1 Rfd8 20.Qb2 (20.d4 Bf3 21.Bf3 e4+=) 20...e4 21.Nd4 Be2 22.Re2 Rab8 23.Rb1 Qe5 24.Nb3 (24.Qb4 Qh5 25.f3 Rd5+=) 24...Qb5 25.Ree1 Nd5 26.Nd4 Qb2 27.Rb2 g6 28.g4 (28.Reb1!? Rd7 29.f3 ef3 30.gf3+=) 28...Nf4= 29.ef4 Rd4 30.Rd1 Ra4 31.Rdb1 Ra5 32.Rb7 Rb7 33.Rb7 Ra2 34.Ra7 Rd2 35.Ra6 Rd3 36.Kg2 Rf3 37.Rf6 (better is 37.f5!?=) 37...Kg7–/+ 38.g5 h6 39.h4 hg5 40.hg5 Rd3 41.Kf1 Rd5 42.Ke2 Rf5 43.Rf5 gf5 44.f3 f6 ½–½. cmulligan (2265) – chesspal (2625), net–chess.com, 2013.

7.Bc4 c6 8.bc6= bc6 9.Ng5 (9.Qc2 0–0=) 9...0–0+= 10.Nc3 Nb6 11.Bb3 (11.Bd3 h6 12.Nge4 Rb8=) 11...h6 (11...Rb8 12.Nce4+=) 12.Nh3 (12.Nge4!?=) 12...Re8 (12...Rb8 13.Qc2–/+) 13.Qf3 (13.d3 Rb8–/+) 13...Bg4 (13...e4!? 14.Qe2 a5–/+) 14.Qc6+= Rc8 15.Qb7 (15.Qb5 e4+=) 15...Rc7 (15...Re7 16.Qa6+=) 16.Qa6= Qd7 17.Nb5 Rcc8 (17...Bb4 18.Nc7 Qd2 19.Kf1 Qb2–+) 18.Nd6 Qd6 19.Qa7 Nbd5 (19...Ne4 20.Qf7 Kh7=) 20.e4 (20.f4 Bh3 21.fe5 Re5 22.gh3 Rf5+/–) 20...Nb4 (20...Ne4 21.Ba3 Nc5–/+) 21.Qf7 (21.0–0 Rc7 22.Qe3 Bh3 23.gh3 Nd3+=) 21...Kh8 (21...Kh7 22.Ng5 hg5 23.h4 Nd3 24.Kf1 Nf2 25.Rh2–+ (25.Kf2?? Qd2 26.Kg1 Qe3 27.Kh2 Bh5 28.Qf6 gf6–+)) 22.0–0 Nd3 23.Bc3 Bh3 24.gh3 Nf4 Plans Re7 25.Kh1?? (25.Bc2 Rf8 26.Qa7+=) 25...Nh3 (better is 25...Qd3 26.f3 Qe2–+) 26.Rg1?? Attacking the backward pawn on g7 (better is 26.f3!?+/–) 26...Ng1 (better is 26...Nf2!? 27.Kg2 N2e4–/+) 27.Rg1= Do you see the mate threat? 27...Rg8? (better is 27...Re7 28.Qg6 Qd3=) 28.Qg6+– Rcd8 (28...Qd3 29.Bg8 Rg8 30.Be5 Qe4 31.Qe4 Ne4 32.d4 Nf2 33.Kg2+–) 29.a3! Qe7 (29...Qa3 30.Bg8) 30.Bb4 (30.f4 Nd7+–) 30...Qe8 (30...Qb7 31.Bg8 Rg8 32.f3+–) 31.Qf5 (31.Bf7 Qc6 32.Bg8 Rg8+–) 31...Rd3 (31...Rf8+–) 32.Bg8 Ng8 (32...Qg8 33.Qe5 Qa8+–) 33.Bf8 (better is 33.Bc3 Rd7 34.Be5+–) 33...Ne7?? (better is 33...Rd7 34.Bc5 Rd2+–) 34.Bg7 Kg8 35.Bh6 1–0. Bini,Gabriele – Breznsoizer, Canarias en Red prel 1st blitz, 2004.

7.Bc4 e4 8.Ng5= 0–0 9.Qc2 Nc5 (9...Nb6 10.Bb3=) 10.f3 (10.Bd4 Qe7 11.f3 Bf5 12.Bc5 Bc5=) 10...Bf5 (10...h6 A) worse is 11.Ne4 Nfe4 12.fe4 Qh4 13.Kd1 Qg4 14.Kc1 Qg2–/+ (14...Qe4?! 15.Qe4 Ne4 16.Nc3 Nc3 17.Bc3=); B) 11.fe4 Ng4 12.Nf3 Bh2 13.Ba3 (worse is 13.Rh2 Nh2 14.d4 Nf3 15.gf3 Nd7–/+) 13...Bg3 14.Ke2+=) 11.0–0 Bg6 12.f4 (12.Ne4 Nfe4 (worse is 12...Be4 13.fe4 Nce4 14.a4+=) 13.fe4 A) 13...Ne4?! 14.d3 Qh4 15.h3= (15.de4?? Bh2 16.Kh1 Bg3 17.Kg1 Qh2); B) 13...Be4–/+) 12...h6 (12...Qe7 13.Nc3+=) 13.Nh3 (13.Nf3 Nd3 14.Bd3 ed3=) 13...Bf5 (13...a6 14.Nc3+=) 14.Nf2 Be7 (14...Re8 15.Bd4 Ne6 16.Be6 Re6 17.Nc3=) 15.Bd4= b6 (15...Qd6 16.Nc3=) 16.Nc3+= Increases the pressure on e4 16...Re8 17.h3 (17.Rad1 a6+=) 17...h5 (17...a6 18.Rad1=) 18.Ne2 (18.Rad1 a6+=) 18...h4 (18...a6 19.Ng3 Be6 20.Be6 Ne6 21.Bf6 Bf6 22.Rab1+/–) 19.g4 (19.Rad1 a6=) 19...hg3 20.Ng3 White launches an attack 20...Qd7 21.Kh2 (21.Nf5 Qf5 22.d3 a6=) 21...Kf8 (21...Bh7 22.Rad1+=) 22.Rg1 (22.Rac1=) 22...Rad8 (22...Bh7!?=) 23.Nf5+= Qf5 24.Rg5 Qd7 25.Rag1 Ne6? (better is 25...g6!?+/–) 26.Be6+– Qe6 27.Rg7 Threatening mate: Rg8. 27...Rd4 28.Qc3 Bc5 (28...Qd7 29.ed4 Bd6 30.Qc4+–) 29.ed4+/– Bd6 30.Qe3 Qf5 31.R7g4 (better is 31.Kh1 Qb5 32.R7g5+/–) 31...Ng4+= 32.Rg4 Qb5 33.Kg2 (33.Ne4 Qc6 34.d5 A) 34...Qd5?? 35.Nf6 Re3 36.Rg8 (36.Nd5? Rd3 37.Ne3 Rd2 38.Kg3 Ra2–+) 36...Ke7 37.Nd5 Ke6 38.Ne3+– (38.de3?! Kd5 39.h4 Ke4+–); B) 34...Qa4–/+) 33...Qf5 (33...Qd5 34.f5+=) 34.Nh1 (34.Kf1 Qa5+=) 34...c5 (34...Qd5 35.Ng3–/+) 35.Ng3+= Qd5 36.Ne2 cd4 (36...f5 37.Rg5+=) 37.Qd4 Qd4 38.Nd4 Bb4 39.Nb3 (39.Rh4 Kg7 40.Nb3 a5 41.Rg4 Kf8–/+) 39...a5 40.f5 (40.a4 e3 41.de3 Re3–/+) 40...a4 41.Nd4 Bd2 (41...Bc5 42.Nc6 Rc8 43.Ne5–/+) 42.Ne2 b5 43.f6 Re5 44.Ng3 e3 45.Kf3 Ke8 46.Rd4 Be1 (better is 46...Re6!? 47.Nh5 Kf8–/+) 47.Rd1?? Bg3–+ (47...Bg3 48.Kg3 b4–+) 0–1. Skeels,James B – Marfia,James, corr USA, 1982.

6.c4 c6

7.Ba3 c5 (7...Ba3 8.Na3 c5 9.cd5 e4 10.Ng1 Nb6 11.Qc2 Qd5 12.Ne2=+) 8.d4 (8.cd5 e4 9.Ng1 Nd5 10.Nc3 Nc3 11.dc3 Be5 12.Bb2–/+) 8...ed4 9.ed4 0–0 10.Be2 dc4 11.0–0 Qc7 12.Bc4=+.

7.a4 0–0 8.Qc2 e4 9.Nd4 Ne5 10.c5 Bc7 11.h3 Ne8 12.Nc3 f5 (12...Qe7 13.f3+=) 13.g3 (13.Be2 Qe7=) 13...g6 (13...Qe7 14.Nd1+=) 14.Na2 a5 15.Qc3 Qf6 16.b6 Bb8 17.Nc1 Ng7 18.Ncb3 Ne6 19.Be2 (worse is 19.Na5 Nd4 20.ed4 Nf3 21.Kd1 f4–/+) 19...Ng5 20.Na5 Ra5? (better is 20...h6+/–) 21.Qa5+– Nef3 22.Bf3 (22.Kd1 Nd4 23.Bd4 Be5 24.Be5 Qe5+–) 22...Nf3 23.Ke2 (23.Kd1 Be5 24.Qb4 Nd4 25.Bd4 f4+–) 23...f4 24.gf4 Bf4 25.Qb4 (25.ef4 Nd4 26.Kf1 Qf4 27.Bd4+/–) 25...Be5+= 26.Kd1 Ng5 27.h4 (27.Kc2!?+=) 27...Nh3= 28.Kc2 Nf2 29.Rhf1 Bh3 30.Rg1 Nd3 31.Qc3 Qh4 32.a5 Qf2 33.Rgd1 h5 34.a6 ba6 35.Ra6 Bf1 36.Raa1 Qg2 37.b7 h4 38.Ra8 Qf2 (38...Be2 39.Ne2 Qe2+–) 39.Rf8 (39.Ne6 Be2 40.Rb1+–) 39...Qf8+/– 40.Qa5 (better is 40.b8Q!? Qb8 41.Rf1+/–) 40...Nc5= 41.Rf1 Qf1 42.Qc5 Qd3 43.Kd1 h3 44.Qc6 Qf1 45.Kc2 Qc4?? (better is 45...Qd3 46.Kc1 Qf1 47.Kc2 Qd3 48.Kd1 Qf1 49.Kc2=) 46.Qc4+– dc4 47.Nc6 Bc7 48.Be5 h2 49.Bh2! Bh2 50.b8Q (better is 50.Kc3!? Kf7+–) 50...Bb8 51.Nb8 Kf7 52.Nd7 g5 53.Ne5 (better is 53.Nc5 g4 54.Ne4 Ke6+–) 53...Ke6 54.Ng4 Kd5 55.Kc3 Kc5 56.Nf6 Kb5 57.Ne4 g4 58.Ng3 1–0. Leon Manas,J (1695) – Majul,I (2090), 4th Pedro Montalvo Mem, 2011.

7.a4 Qa5 8.Bc3 Qc7 9.d4 Ne4 10.c5 Be7 (10...Nc3? 11.cd6 (11.Nc3?! Qa5 12.Ra3 Be7=) 11...Nd1 12.dc7+–) 11.Bb2 Qa5 12.Nbd2 Qb4 13.Ba3 Qc3 14.Qc1 ed4 15.Qc3? (better is 15.ed4 Qa5 16.Qb2=) 15...dc3–+ (15...Nc3?! 16.ed4 Bf6 17.Bb4+=) 16.Ne4 de4 17.Nd4 Nc5 18.bc6 bc6 19.Bc5 Bc5 20.Nc6 1–0. Hal1958 – Valery_Souchkov, playchess.de, 2004.

7.Nc3 0–0 8.bc6 bc6 9.cd5 cd5 10.Nb5 Bb8 11.Ba3 Re8 12.Rb1 =+.

7.Nc3 0–0 8.d4 e4 9.Nd2 a6 10.c5 Bb8 11.bc6 bc6 12.Be2 =.

7.Nc3 0–0 8.cd5 cd5 9.Be2 e4 10.Nd4 Ne5 11.Rb1 Bg4 12.f3 =+.

7.Nc3 0–0 8.Be2 a6 9.a4 e4 10.Nd4 Be5 (better is 10...dc4!? 11.bc6 Ne5 12.cb7 Bb7+=) 11.bc6+= Nc5 12.cb7 Bb7 13.Nb3 Nd3 (13...Nb3 14.Qb3 Rb8 15.Rb1=) 14.Bd3+= ed3 15.Nc5 Qc7 16.Nb7 (16.Nd3!? dc4 17.Ne5 Qe5 18.f3+=) 16...Qb7+= 17.Rb1 dc4 18.Ba3?? (better is 18.0–0 Rfb8 19.f4 Bc3 20.Bc3 Qb1 21.Qb1 Rb1 22.Rb1+=) 18...Qg2–+ 19.Rf1 Ng4 (19...Ng4 20.Qg4 Qg4–+) 0–1. forsetinn (1680) – bernardhgaskin, gameknot.com, 2013.

7.Nc3 Rb8 8.cd5 (8.Rc1 0–0 9.cd5 cd5 10.Be2 Nb6 11.0–0 e4 12.Nd4=) 8...cd5 9.Be2 0–0 10.0–0 e4 11.Nd4 Be5 12.d3 =.

7.Nc3 e4 8.Nd4 (8.bc6 bc6 9.Nd4 0–0 10.cd5 cd5 11.d3 Ba6 12.Nf5=+) 8...Ne5 9.bc6 bc6 10.cd5 cd5 11.Be2 (11.Ncb5 Be7 12.f4=) 11...0–0 12.0–0 (12.Rb1=) 12...Re8 (12...Rb8 13.Ncb5=+) 13.Ncb5= a6 14.h3?? (better is 14.Nd6 Qd6 15.Rb1=) 14...ab5–+ (15.Nb5 Bb4–+) 0–1. Sternik,Ryszard – Armstrong,Alan, corr SOK–96–115, 1997.

7.c5 A) 7...Bc7 8.Be2 (8.d4 e4 9.Ne5 Ne5 10.de5 Ng4 11.bc6 bc6 12.e6–/+) 8...Qe7 9.d4 e4 10.Nfd2 cb5 11.Ba3 Ba5 12.c6+/–; B) 7...Nc5 8.Be5 Be5 9.Ne5 Ncd7 10.Nd7 Qd7 11.bc6 Qc6 12.Nc3=; C) 7...Bc5 8.bc6 bc6 9.Be5 Ne5 10.Ne5 Qc7 11.Nf3 0–0 12.d4=+.

7.bc6 bc6 8.Ba3 (8.cd5 cd5 9.Nc3 a6 10.Rb1 0–0 11.Be2 Rb8 12.0–0=+; 8.Nc3 0–0 9.cd5 cd5 10.Nb5 Bb8 11.Nc3 Re8 12.d4=+; 8.Na3 e4 9.Nd4 Ne5 10.Qa4 Bd7 11.cd5 cd5 12.Nab5=+) 8...Ba3 9.Na3 Qa5 10.Qc1 Rb8 11.Be2 0–0 12.0–0=+.

7.cd5 cd5 8.d4 (8.Be2 Qe7 9.Nc3 0–0 10.Rc1 a6 11.Qa4 e4 12.Nd4=+) 8...e4 9.Nfd2 0–0 10.Ba3 Nb6 11.Bd6 Qd6 12.Be2=+.

7.Be2 0–0 8.0–0 e4 9.Nh4 Ne5 (9...Nb6 10.bc6 bc6 11.f3–/+) 10.cd5 (10.c5 Bc7 11.f4 Nc4 12.Bc4 dc4 13.bc6 bc6+=) 10...cd5 (10...Nd5!? 11.f4 Nd3 (worse is 11...Qh4 12.fe5 Bc7 13.bc6=) 12.Bd3 ed3–/+) 11.f4 ef3 (11...Nc4!? 12.Bd4 Ne8+=) 12.Nf3= (12.Bf3? A) 12...Nf3?! 13.Nf3 (13.Qf3? Ng4 14.h3 Qh4–+) 13...Bg4 14.Qa4=; B) 12...g5–+) 12...Qe7 13.Nc3 h6 (13...Qc7 14.Ng5 Neg4 15.Bg4 Ng4 16.Qc2 (worse is 16.Nd5 Bh2 17.Kh1 Qd8–/+) 16...Bh2 17.Kh1=) 14.h3 b6 (14...Nf3 15.Rf3 Qe5 16.Kf1+=) 15.Nd4 Bb7 16.Qe1 (16.Rc1 Qd8+=) 16...Nc4= 17.Nf5 Qe6 18.Nd6 Qd6 19.Bc1 d4 20.Bc4 dc3 21.dc3 Qc5 22.Bb3 ½–½. von Herman,A – Raddatz,S, 2.DBLNO, 1992.

6.c4 e4

7.Nd4 0–0 8.Qb3 Ng4 (better is 8...dc4 9.Bc4 Ne5–/+) 9.g3? (9.cd5!? Nc5 10.Qc2+=) 9...Qf6 (9...dc4 10.Qc4 Nge5 11.Qc2–/+) 10.f4 ef3 11.cd5 (11.Nc3 f2 12.Kd1 dc4 13.Qc4 Re8–+) 11...Re8 (11...Nh2 12.Kd1 Ng4 13.Kc1–+) 12.Na3 (12.Ne6 f2 13.Ke2–+) 12...Nc5–+ 13.Qc2 f2 (13...Qh6 14.Qc1 Qh5 15.Bc4–+) 14.Ke2 Qh6 The mate threat is Rxe3 15.Nc4 Qh5 16.Nf3 Bf5 (16...Qd5?! 17.Qc3 Bf8 18.Qd4–+) 17.Qc3 Threatening mate... how? 17...Bf8 18.h3 (18.Rc1 Bd3 19.Qd3 Nd3 20.Kd3 Ne3 21.de3 Qf3–+) 18...Bd3 19.Kd1 (19.Qd3 Nd3 20.Kd3 Qd5 21.Nd4 c5 22.bc6 b5–+) 19...Ne3!! 20.de3 (20.Ne3 Qf3 A double attack) 20...Qf3 Theme: Double Attack 21.Kc1 Qh1 (21...Qh1 22.Kd2 Bf1–+) 0–1. Tschoepe,Frank – Zulauff,Harri, T15–11 ETC, 2004.

7.Nd4 0–0 8.Nc3 Nc5 (8...dc4!? 9.Bc4 Ne5+=) 9.cd5= Be5 (9...Ng4 10.Be2=) 10.Bc4 (10.Ba3 Qe7=) 10...Ng4 (10...Bd4!? 11.ed4 Bg4+=) 11.h3= Nf2 (11...Qh4 12.0–0 Bh2 13.Kh1=) 12.Kf2+= Qh4? (better is 12...Qf6!? 13.Ke2 Bd4+=) 13.Kg1+– f5? (13...Bd4 14.ed4 Nd3 15.Bd3 ed3+–) 14.Nce2 (14.Ba3 Bd6+–) 14...f4 (14...Kh8 15.Qe1 Qf6 16.Nf4+–) 15.Qe1 (better is 15.ef4 Bf4 16.Nf4 Qf4+–) 15...Qg5? (better is 15...Qe1 16.Re1 f3 17.gf3 ef3+–) 16.h4 (16.ef4 Bf4 17.Nf4 Qf4+–) 16...Qg4 (16...Qh6 17.ef4 Bd6 18.Qg3+–) 17.ef4 (better is 17.Nf4 Bf4 18.ef4 Qf4 19.Ba3+–) 17...Rf4 (17...Bf6 18.d6 Kh8 19.dc7 Nd3 20.Bd3 ed3+–) 18.Nf4 Bd4 (18...Bf4 19.d3 Bd7 20.de4 Re8+–) 19.Kh2 (better is 19.Bd4 Qf4 20.Bc5+–) 19...Qf4?? (better is 19...Bb2 20.Qf2 Ba1 21.Ra1 Kh8+=) 20.Qg3?? (20.g3 Qe5 21.Bd4 Qd4+–) 20...Qd2?? (better is 20...Qg3 21.Kg3 Bb2 22.d6 Kh8 23.dc7 Be5 24.Kf2 Bc7–+) 21.d6 (better is 21.Bd4!? Qd4 22.Rac1+–) 21...Kh8+/– 22.Bd4 (22.Bd4 Qd4 23.Raf1+/–) 1–0. liencam2 – osart, Live Game Caissa's Web, 2005.

7.Nd4 0–0 8.cd5 Nd5 9.d3 Bb4 10.Nd2 Nc5 +=.

7.Nd4 0–0 8.cd5 Nd5 9.d3 Nc5 +=.

7.Nd4 dc4 8.Bc4 0–0 9.Nc3 Be5 10.Nce2 Ne8 11.Ng3 Nd6 12.Be2 a6 13.Qc2 ab5 14.Ne4 Ne4 15.Qe4 c5 16.Ne6 (16.Bb5? A) 16...cd4 17.Bd7 Bf6 18.Bc8 de3 19.0–0 (19.de3? Bb2 20.Bb7 Ba1 21.Ba8 Qa5 22.Ke2 Qa2 23.Kf3 Ra8–+) 19...Bb2 20.Bb7 ef2 21.Kh1 Ba1 22.Ba8 Qa8 23.Qe3 Qa2 24.Qf2–+; B) 16...Re8–+) 16...fe6 17.Be5 Ra4 (17...Ne5?! 18.Qe5 Rf5 19.Qb2=) 18.d4 Ne5 19.Qe5 Qa5 20.Kf1 (20.Kd1 c4 21.Rf1 Bd7–/+ (21...Ra2?! 22.Ra2 Qa2 23.f3–+)) 20...Ra2–+ 21.Re1?? (better is 21.Ra2 Qa2 22.g3–+) 21...Ra1 22.Rd1 Rd1 23.Bd1 Qd2 (23...Qd2 24.Bf3 Qc1 25.Ke2 Qh1 26.Qc5 Qb1–+) 0–1. Kim,Oi_sin (2015) – Wiese,Uwe (2330), RSX15E3 – A00 – SokolskyT–1, 2007.

7.Nd4 dc4 8.Bc4 Ne5 9.Be2 +=.

7.Nd4 Ne5 8.cd5 Nd5 9.a3 0–0 +=.

7.Nd4 Ne5 8.cd5 Nd5 9.Qc2? Nd3!–+ 10.Bd3 Nb4 (10...ed3 11.Qd3 Nb4 12.Qe4 Qe7 13.Qe7 Ke7 14.Ke2+/–) 11.Qc3?? (better is 11.Be4 Nc2 12.Nc2–+) 11...Nd3 (11...ed3?! 12.a3 Qg5 13.g3 Nc2 14.Nc2 dc2 15.Qc2=) 12.Ke2 Qh4 13.g3 (13.f3 Qf2 14.Kd1 Qg2–+) 13...Qh3 0–1. Sartain,Kevin – Philips,D A, NCCU corr, 1994.

7.Nd4 Ne5 8.cd5 Nd5 9.Nc3 Nb4 10.Bc1? (better is 10.Ne4 Nbd3 11.Bd3 Nd3 12.Ke2 Nb2 13.Nd6 Qd6 14.Qb3=) 10...Qh4 11.g3 Nbd3 12.Bd3 Nd3 13.Kf1?? (13.Ke2 Qh5 14.f3–+) 13…Bg3! (13...Bg3 14.Ne4 Qe4 15.hg3 Qh1 16.Ke2 Qd1 17.Kd1 Nf2 18.Ke2 Ne4–+) 0–1. Cook,A Ray – Davidson,Jamie P, CCLA, 1993.

7.Nd4 Ne5 8.Be2 Nfg4 (better is 8...dc4!? 9.f3 ef3 10.Nf3 Nd3 11.Bd3 cd3–/+) 9.h3+= Qh4 10.g3? (better is 10.0–0 Nc4 11.Bc4 dc4 12.f4–/+) 10...Nd3–+ 11.Bd3 Bg3 (11...Bg3 12.Be4 de4–+) 0–1. cmulligan (2245) – iamachessstudent (2825), net–chess.com, 2012.

7.Ng5 h6–+ 8.Nh3 dc4 9.Bc4 Ne5 10.Be2 Bh3 11.gh3 Qd7 12.Nc3 Qh3 13.Bf1?? (better is 13.Qa4 Nf3 14.Kd1–+) 13...Nf3 14.Ke2 Qf5 15.h4 (15.Bg2 0–0–0 16.Kf1 Nh2 17.Kg1 Nf3 18.Kf1 Ng4 19.Bf3 ef3–+ (19...Qf3?! 20.Qf3 ef3 21.Rh3–+)) 15...Be5 16.Bh3 (16.Qa4 0–0 17.Bh3 Qh5–+) 16...Ng4 17.Kf1 (17.Ne4 Bb2 18.Qc2 0–0–+ (18...Ba1? 19.Nd6 cd6 20.Qf5+–)) 17...Rd8 18.Bg4 Qg4 (18...Qg4 19.d4 ed3–+) 0–1. queensservant (1795) – angeloyoung (1905), gameknot.com, 2014.

6.d4 e4

7.Nfd2 Nb6 8.c4+= 0–0?? (better is 8...dc4 9.Nc4 Bb4 10.Bc3 Be7+=) 9.c5+– Bg4 (9...Be7 10.cb6 ab6 11.Be2+–) 10.Qc2 Be7 11.h3 (better is 11.cb6 ab6 12.h3+–) 11...Nc4? (better is 11...Bh5 12.cb6 ab6+–) 12.Bc4 Be6 (12...Bh5 13.g4 Bg6 14.Be2+–) 13.Be2 c6 (13...a6 14.ba6 ba6 15.Nc3+–) 14.a4 b6 (14...a6 15.b6+–) 15.0–0 bc5 (15...h6 16.Nb3+–) 16.dc5 Qc7 17.Nb3 cb5 (17...Rac8 18.Nc3+–) 18.ab5 Nd7 (18...Rfb8 19.Rc1+–) 19.Ra6 Rac8 (19...Nb8 20.Ra4 Nd7 21.Rc1+–) 20.Rc1 Nb8 (20...Rfe8 21.N1d2+–) 21.Ra3 Nd7 (21...f5 22.Nd4 Rf6 23.Ne6 Re6 24.Qb3+–) 22.Bd4 Qb8 (22...Bf6 23.Bf6 Nf6 24.N1d2+–) 23.Ra6 Qc7 (23...Rc7 24.N1d2+–) 24.c6 Nf6 (24...Nb6 25.Qa2 Bd6 26.Ra7+–) 25.Ra7 Qd6 26.Bc5 Qd8 27.Be7 Qe7 28.Re7 h6 29.b6 (29.b6 d4 30.Nd4+–) 1–0. Taulien,Hans_Juergen (2350) – Tiedemann,Joern (2125), RSX4D – Sokolsky Taunus–1, 2002.

7.Nfd2 c6 8.c4 0–0 9.Nc3 Bc7 10.c5 Nb8 11.Be2 b6 12.Qb3 Be6 13.0–0? (better is 13.Ba3!? bc5 14.Bc5=) 13...bc5–/+ 14.dc5 (better is 14.Ba3 cd4 15.ed4–/+) 14...Nbd7?? (better is 14...d4!? 15.Qa4 dc3 16.Bc3 cb5 17.Bb5 Nbd7–+) 15.Qd1 (better is 15.Qa3!?=) 15...Nc5–/+ 16.Nb3 (16.bc6!? Qd6 17.f4–/+) 16...Nb3–+ 17.ab3 Qd6 18.g3 c5 19.Ra6 Bb6 20.Na4 Bh3 21.Re1 Rad8 22.Qa1 Bc8 23.Nb6 Ba6 24.Qa6? (better is 24.Bf6 Qf6 25.Qf6 gf6 26.Na4–/+) 24...ab6 (worse is 24...Qb6 25.Bf6 Qf6 26.Qf6 gf6 27.Bg4–+) 25.Qb7 (25.Ra1 Qe6–+) 25...Rd7 (25...d4 26.ed4 cd4 27.Bc4–+) 26.Qc6 d4 27.Qd6 Rd6 28.Bc4 (28.ed4 cd4 29.Ba3 Rd7 30.Bf8 Kf8–+) 28...d3 29.Be5 Rdd8 (29...Rd7 30.Bf6 gf6 31.g4–+) 30.h3 (30.Bc7 Ra8–+) 30...Nd7 (30...Nd5 31.Rd1–+) 31.Bc7 (31.Bd6 Rfe8–+) 31...Rc8 32.Bd6 Rfe8 33.Bd5 (33.Rd1 Ne5 34.Be5 Re5–+) 33...Nf6 34.Bc6 Re6 35.Bf4 h6 36.g4 g5 37.Bg3 Rcc6 38.bc6 Rc6 39.Kg2 (39.Be5 b5–+) 39...b5 40.f4 Nd5 0–1. Denzin,Michael (2300) – Kim,Oi_sin (2015), RSX15E3 – A00 – SokolskyT–1, 2007.

7.Nfd2 c6 8.c4 cb5 9.c5 Bc7 10.Bb5 0–0 11.Ba3 Re8 12.Nc3 a6 13.Ba4 Re6 14.Bb3 Nf8 15.Rc1 Rb8 16.h3 (16.f3 Re7=) 16...b5 17.cb6 Bb6 18.0–0 Bb7 19.Na4 Bc7 20.Nc5 Rb6 21.Nb7 R6b7 22.Rc6 Rb6 23.Rb6 Rb6 24.Qc2 Rb8 25.Rc1 Rc8 26.Qd1 Qd7 27.Ba4 Qe6 28.Kf1 h6 (28...Qf5!?=) 29.Rc6+= Qf5 30.g4 Qg5 31.Bf8 Kf8 32.Qc1 (32.Ra6?! Kg8+=) 32...Ne8 33.Qc5 Kg8 (33...Qe7 34.Qd5 Nf6 35.Qc5+–) 34.Ra6 Qh4 35.Bd7 Qh3 36.Ke1 Rb8 37.Be8 Re8 38.Qc7 Qg4 39.Qc6 Qe6 (39...Qg1 40.Nf1 Rd8 41.Ra8+–) 40.Qb5 Qc8 41.Rd6 Kh7 (41...Qc1 42.Ke2 Qc8 43.Qd5 Qg4 44.Ke1+–) 42.Qd5 Re7 43.Ne4 Rb7 44.Rc6 Rb1 45.Kd2 Qg4 46.Kc3 (46.Rc1 Rb6+–) 46...Rf1 47.a4 (47.Rc5!? Kg6+–) 47...f5 48.Nf6 (48.Nf6 gf6 49.Rf6 Rc1 50.Kb4+–) 1–0. Taulien,Hans_Juergen – Baensch,Hans, remoteschach.de, 2003.

7.Nfd2 c6 8.c4 cb5 9.c5 Bc7 10.Bb5 a6 11.Be2 0–0 12.Nc3 b6 13.Qb3 bc5 14.Nd5 Rb8 15.Nf6 Qf6 (worse is 15...gf6 16.Qc2 cd4 17.Bd4+/–; worse is 15...Nf6 16.Qc2=) 16.Qc2 (16.Ne4? Qg6 17.Qc2 Rb2 18.Qb2 Qg2–+ (18...Qe4?! 19.0–0–/+)) 16...Bb7 (16...Qg6 17.0–0=) 17.0–0. Wiese,Uwe (2330) – Denzin,Michael (2300), RSX15E3 – A00 – SokolskyT–1, 2007.

7.Ne5 0–0 8.c4–/+ Re8 9.Nd7 Bd7 10.Nc3 Bg4 11.Qb3 c6 12.Rb1 Qa5 =+.

7.Ne5 0–0 8.Nd7 Bd7 9.Ba3 Ba3 10.Na3 Qe7 11.Qc1 Qb4 12.c3 Qa5 =+.

7.Ne5 Qe7 8.a3 Ne5–/+ 9.de5 Be5 10.Be5 Qe5 11.c3 0–0 12.Qd4 Qd4 13.cd4 Bd7 14.Nc3 c6 15.a4 cb5 16.ab5 Rfc8 17.Ra3 a6 18.ba6 ba6 19.Na2 Bb5 20.f3 Ne8 21.Nc3–/+ ef3 22.gf3 Bc4 23.Bh3 Rcb8–/+ 24.Kf2 Rb2 25.Kg3 Nc7 26.Na4 Rb3 27.Rb3 Bb3 28.Nb6 Rb8 29.Nd7 Bc4?? (30.Nb8 h6+–; better is 29...Rb4–/+). Wetmore,Andrew – Turcatti,Mauro, Q3.1999.0.00042, 1999.

7.Nfd2 0–0

8.Ba3 Nb6 +=.

8.c4 Bb4 9.Qb3= Bd2 10.Nd2 dc4 11.Bc4 Nb6 12.Be2 Nbd5 13.0–0 Be6 14.Qc2+= Ng4 15.h3 Nge3 16.fe3 Ne3 17.Qe4 Nf1 18.Rf1 Bd5+= 19.Qf4 Qd6 20.Qd6+/– cd6 21.Bc4 Be6 22.d5 Bd7 23.Ne4 Rac8 24.Nd6 Rc7 25.Re1 Kh8 26.Bd4 b6 27.Kf2 h5 28.Re7 Kh7 29.Kg3 Kg6 30.Bd3 f5 31.Rg7 Kh6 32.Nf7 Rf7 33.Rf7 Kg6 34.Rg7 Kh6 35.d6 Rb7 36.Bf5! Bc8 37.Rg6 Kh7 38.Be4 Bd7 39.Rg7 (39...Kh6 40.Rh7 Kg5 41.h4#) 1–0. b4player – oppo, internet, 2009.

8.c4 Nb6 9.Nc3 –/+–

8.c4 Nb6 9.Be2 Be6 10.c5 +–.

8.c4 dc4 9.Nc4 Bb4 10.Nbd2 a6 11.ba6 Ra6 12.a3 Be7 13.Ne5 Ra8 14.Qc2 c5 15.Be2 cd4 16.ed4 e3 17.fe3 Ne5 18.de5 Nd5 19.Bd4 Bh4 (19...Ba3 20.Qb3 Be6 21.Ra3 Ne3 22.Ra8 (22.Qe3?! Ra3 23.Qa3 Qd4+–; worse is 22.Be3 Bb3 23.Ra8 Qa8 24.Nb3 Qa4–+) 22...Ng2 23.Kf1 Qa8 24.Qg3+–) 20.g3 Bg5 Exerts pressure on the isolated pawn 21.Qb3 Bh3 22.Nc4 Qc7 23.Qb5 (23.e4 Ne7 24.Kf2=) 23...Bg2 (better is 23...Rad8!?=) 24.Rg1+/– Be4 25.h4 Be7 26.Nd2 Bb4? (26...Ra5 27.Qb2 Qc2+/–) 27.ab4+– Ra1 28.Ba1 Qc1 29.Bd1 (29.Bd1 Ne3 30.Qe2 (30.Ne4 Nd1 31.Qb7 Qa1–+) 30...Nd1 31.Qd1+– (31.Ne4? Nc3 32.Kf2 Qg1 33.Kg1 Ne2 34.Kf2 Ra8–+)) 1–0. Nikel,Bogdan (2250) – Guelker,Lorenz (2225), RSX15E3 – A00 – SokolskyT–1, 2007.

8.c4 c5 9.cd5= Nb6 (worse is 9...Nd5 10.Ne4 N7f6 11.Nd6 Qd6 12.dc5 Qc5 13.Qd2+/–) 10.dc5 Bc5 11.Nc3 Bf5 12.Qb3 Qe7 13.Be2 Rad8 14.g4 Bg6 15.h4 h6 (15...Nbd5? 16.h5 Bh5 17.gh5 (17.Rh5?! Nc3 18.Bc3 Nh5 19.gh5 Rfe8+=) 17...Nc3 A) worse is 18.Qc3 Bb4 19.Qe5 Rd2 20.Qe7 Rb2 (20...Be7?? 21.Kd2 Rd8 22.Ke1+–) 21.Qb4 Rb4–/+; B) 18.Bc3+–; 15...Nfd5? 16.h5 Bh5 17.Rh5+–) 16.a4 Bb4 (worse is 16...Nbd5 17.g5+–; worse is 16...Nfd5 17.h5 Ne3 18.hg6 Ng2 19.Kd1 Bf2 20.Ba3+/–) 17.Ba3 Ba3 (worse is 17...Nbd5 18.g5 Qd7 19.Bb4 Nb4 20.Rd1+/–; 17...Nfd5?! 18.a5 Ba3 19.ab6 Nc3 20.Qa3 Qa3 21.Ra3 Ne2 22.Ke2 ab6 23.h5=) 18.Qa3 Rfe8 19.Qe7 Re7 20.d6 Rd6 21.a5 Nbd5 22.Nd5 Nd5 23.Nb3 Rc7 24.Nd4 Rd8 25.Rb1 Nc3 26.Rb3 Ne2 27.Ke2 (worse is 27.Ne2 h5–/+) 27...f6 28.a6 (better is 28.b6 ab6 29.Rb6=) 28...Bf7–/+ 29.b6 ab6 (29...ab6 30.Rb6 Bc4 31.Kd2 ba6–/+) 0–1. Maly,Guenther (1740) – Heinrich,Olaf (2290), RSX7E–A00–Sokolsky–1, 2008.

8.c4 Re8 9.Ba3 +=.

8.c4 Re8 9.Nc3 c5 (9...Nb6!?+=) 10.Nd5= Nd5 11.cd5 cd4 12.Bd4 Qg5 13.h4 (13.Qb3 Nc5 14.Qc3 Nd3 15.Bd3 ed3=) 13...Qg6 (13...Qd5!? 14.Bc4 Qf5=) 14.Qc2 Nf6 15.Bc4 (15.h5 Nh5 16.Rc1 Ng3+=) 15...Bg4 (15...Qg2!? 16.Rf1 Qg6=) 16.Qb3 (16.Rc1 Rac8 17.Qb2 Red8+=) 16...Bh5 17.Bf1 (17.0–0 Rec8+=) 17...Ng4 (17...Rec8 18.Rb1=) 18.Rh3 (18.Nc4 Rec8+=) 18...Qf5 (18...Ne5 19.Rg3 Ng4 20.f4+=) 19.f3+= ef3 20.gf3 Ne5 21.Bg2 (21.f4 Ng6 22.Rg3 Qf4–+) 21...Bb4 22.Rg3 (22.Qb4 Theme: Deflection from d3 22...Nd3 Theme: Double Attack) 22...Bf3+= 23.Bf3 Bd2 24.Ke2 Nf3 25.Rg7?? (25.Rf3 Qh5 26.Qb2=) 0–1. Czuhai,Kevin – Finegold,Benjamin (2370), Lansing–ch MI M/X, 1989.

8.c4 Re8 9.c5 Be7 10.Nc3 a6 11.a4 Nf8 12.Be2 ab5 13.ab5 Ra1 14.Qa1 b6 15.c6 Bg4 16.Bg4 Ng4 17.h3 Nf6 18.Qa4 Qa8 19.Qb3 Qd8 20.0–0 Ng6 21.Ra1 Bd6 22.Ba3 Ne7 23.Bd6 Qd6 24.Nf1 Nf5 25.Ra7 Rc8 26.Ne2 Qd8 27.Nfg3+= Ng3 28.Ng3 Ra8 29.Ra6 Rc8 30.Nf5 h6 31.Qa3 Kh7 32.Ng3 Qe8 33.Qb4 Rd8 34.Ra7 Rc8 35.Kh1 Qd8 36.Ne2 Rb8 37.Nf4 Kg8 38.Kg1 ½–½. Taulien,Hans_Juergen – Woschkat,Karl_Heinz, remoteschach.de, 2002.

8.Be2 a6 9.Ba3 +=.

8.Be2 c6 9.bc6 bc6 10.c4 Re8 11.Nc3 Bb7 (11...Rb8 12.Rb1+=) 12.0–0= Qe7 (12...c5 13.dc5 Nc5 14.Nb5=) 13.a4 (13.c5 Bc7+=) 13...a6 (13...c5 14.dc5 Nc5 15.Nb5=) 14.c5 Bc7 15.a5 (15.Rb1 Rab8=) 15...Qd8 (15...Rab8 16.Qc2=) 16.Nb3 Nf8 (16...Rb8 17.f3=) 17.Qd2+= Ne6 18.Na4 (18.Rfb1 Rb8=) 18...Rb8 19.Nb6 Qe7 (19...Bc8 20.Rab1=) 20.Nc1 (20.Rab1 Red8=) 20...Nd7 21.Na2 (better is 21.Nd7 Qd7 22.Rb1=) 21...Ng5?? (21...Qh4!? 22.h3 Nf6=) 22.Qd1 (better is 22.Nb4!?+/–) 22...Rbd8 (22...Qe6 23.h4 Nh3 24.gh3 Qh3 25.f4=) 23.Nb4+= Attacks the isolani on a6 23...Nb8 24.Nc2 Nd7 25.Ba3 Qf6 26.f4 ef3+= 27.Bf3 Qh6 28.h3 Nf6 29.Bg4 Nge4 30.Bc1 Qh4 31.Qf3 Re7 32.Rb1 h5 33.Bf5+= g6 34.Be4 Ne4 35.Nd5 cd5 The passed pawn on c5 will quickly become a dangerous weapon 36.Rb7 Bh2 37.Kh2 Rb7 38.Nb4 f5?? 39.Nc6 Rf8 40.Ne5= Kh7 41.c6 Rb3 42.g3 Qe7+= 43.Qd1 Qb4 44.Qc2 Rc3 45.Qa2 Qb5 46.Rg1 Rc8 47.g4 fg4 48.hg4 Rf8 49.Rg2?? Rc1–+ 50.Rb2 Qf1 51.Rb7 Kh6 52.g5 Ng5 0–1. Zylla,Johannes – Janke, BS–MK Kreisliga, 1994.

8.c4 c6

9.a4 Re8 10.Nc3 cb5 11.c5 Bb8 (11...b4!? 12.cd6 bc3 13.Bc3 Qb6–/+) 12.ab5+= b6 13.c6 Nf8 14.Qb3 Be6 15.Be2 Ng6 16.g3 h5 (16...Ne7 17.0–0+=) 17.h3 Bc7 18.Ba3 Qb8 19.Rg1 Qd8 20.h4 (20.Qd1 h4 21.gh4 Nh4+=) 20...Ne7 21.Be7 Qe7 22.Kd1 Bd6 23.Kc2 Bb4 24.Rgb1 Ba5 25.Qa3 Qc7 26.Nb3 Bc3 27.Kc3 a6 28.Qb4 (28.ba6 Qc6 29.Kd2 Ra7=) 28...Bg4+= 29.Bf1 ab5 30.Bb5 (30.Kd2 Ra4 (worse is 30...Qc6 31.Bb5 Qe6 32.Be8 Re8 33.Ke1+=) 31.Qb5 Raa8+=) 30...Bf3–/+ 31.Kb2 (31.Kd2 Ng4 32.Ke1 Ne3 33.fe3 Qg3 34.Kd2 Qf2 35.Kc1 Ra1 36.Ra1 Qe3 37.Nd2 Bg4–/+) 31...Ng4 32.Qd2 Qd6 33.Rc1 Qc7 (33...Ra1 34.Ra1 Rc8 35.Ra7–/+) 34.Ra8 (34.Rcb1 Reb8 35.Rc1–/+) 34...Ra8–/+ 35.Ra1 Rd8 36.Nc1 (36.Qe1 Rc8–/+) 36...Nf6 37.Na2 Ra8 38.Nb4 Ra5 39.Ra5 ba5 40.Nc2 Ne8 41.Qc3 Bg4 42.Na1 (42.Qb3 Nf6–/+) 42...Nd6–+ 43.Bf1 Be6 44.Nb3 a4 45.Na5 Qb6 46.Ka2 Nc8 47.Qc5 Qc5 48.dc5 d4 49.Ka3 d3 50.Ka4 d2 51.Be2 Bg4 52.Nb3 d1Q 53.Bd1 Bd1 54.Kb4 Bb3 55.Kb3 Kf8 56.Kc4 Ke7 57.Kd5 Kd8 58.Ke4 Kc7 59.Kf5 Kc6–/+ 60.Kg5 Kc5 61.Kh5 Kd5 62.f3 Nd6 63.Kg5 Ke5–+ 64.e4 Nb5 65.h5 Nd4 66.h6? Nf3 67.Kg4–/+ Nh2 68.Kh3 gh6 69.Kh2 Ke4 70.Kh3 Kf3 71.Kh4 f5 72.Kh3 Kf2 73.Kh2 Ke3 74.Kh3 Kf3 75.Kh2 Kg4 76.Kg2–/+ h5 77.Kh2?? h4–+ 78.gh4 Kh4 79.Kg2 Kg4 80.Kf2 Kf4 81.Kg2 Ke3 82.Kg3 f4 0–1. BlueNoteTokyo (2215) – VZukovksy (2130), Dos Hermanas Internet Section, 2003.

9.Nc3 a6 10.c5 Be7 11.bc6 bc6 12.Be2 =.

9.Nc3 Qc7 10.Qb3 b6 (better is 10...dc4!? 11.Bc4 Qa5=) 11.bc6 Qc6 (11...dc4 12.Qc4 Nb8 13.d5+–) 12.cd5 (worse is 12.Nd5 a6+=) 12...Qc7 13.Nb5 (better is 13.Rc1+/–) 13...Qb8+– 14.Nd6 Qd6 15.Ba3 Nc5 (15...Qc7 16.Rc1 Qd8 17.Bf8 Nf8+–) 16.dc5 bc5 17.Rc1 Re8 (17...Qd5 18.Qd5 (worse is 18.Rc5 Qb3 19.ab3 Be6+–) 18...Nd5 19.Ne4+–) 18.Bc5 Qc7 (18...Qd5 19.Qd5 Nd5 20.Bc4+–) 19.d6 Qa5 20.Bb4 Qf5 21.Rc5 Re5 22.Re5 Qe5 23.Bc4 Be6 24.Be6 fe6 25.0–0 (25.Qc3 Qg5 26.Qc6 Qd5+–) 25...Rb8 26.Rc1 a5 27.Rc5 (better is 27.Qc3 Qd5 28.Ba3 a4+–) 27...Nd5? (27...Qa1 28.Nb1 ab4 29.Qe6 Kh8 30.Rc8 Rc8 31.Qc8 Ng8+–) 28.d7 Qa1 29.Nf1 (29.Nf1 a4 30.Rc8 Kf7 31.d8Q ab3 32.Qg8 Kg6 33.Rb8+–) 1–0. Taulien,Hans_Juergen – Neffgen,Dieter, RSX4D – Sokolsky Taunus–1, 2002.

9.Nc3 Re8 10.a4 Nf8 11.Ba3 Bc7 12.Bf8 Kf8 13.c5 Ng4 14.g3 Qf6 15.Qe2 Qh6 16.h3 Bd7 17.Bg2 Nf6 18.a5 Nh5 (18...cb5 19.a6 b4 20.Nb5 Bg3 21.ab7 Bb5 22.Qb5 Qe3 23.Kd1 Qf2 24.ba8Q Ra8 25.Ra4–+) 19.g4 (19.a6 b6 20.bc6 Bc6 21.cb6 Bb6=) 19...Nf6 20.a6 b6 21.Nb3 (21.bc6 Bc6 22.cb6 Bb6=) 21...Reb8 22.bc6 Bc6 23.Nb5 Ne8 24.Nc7 Nc7 25.0–0? (better is 25.Qc2+=) 25...Bb5–+ 26.Qc2 Bf1 27.Bf1 Ne6 28.cb6 Rb6 29.Nc5 Nc5 (29...Kg8 30.Nd7 Rd6 31.Ne5–+) 30.Qc5 Qd6 31.Rc1 Rd8 32.Qc7 Qe7 33.Qf4 Qd6 34.Qd6 Rbd6 35.Rc7 R6d7 36.Rc5 Ke7 (36...Rb8!?–/+) 37.Bb5+= Kd6 (37...Rd6 38.Rc7 Ke6 39.Ra7+=) 38.Rc6 Ke7 39.Rc5 Ke6 40.Kg2 g6 41.Kg3? g5?? 42.Bd7+= Rd7 43.f4 ef3 44.Kf3 Rd6 45.Ra5 Rb6 46.e4 Rb3 47.Ke2 de4 48.Re5 Kf6–/+ 49.Re4 Ra3 50.Re5 Ra6 51.Rf5 Kg6 52.Rf3 Re6 53.Kd3 h5 54.gh5+= Kg7 55.Rf5 f6 56.d5 Re8 57.d6 Kf7 58.Ra5 Ke6= 59.d7 Rd8?? 60.Ra7+– f5 61.h6 Kf7 62.Kd4 Kg6 63.h7! Kh7 64.Ke5 Kg6 65.Ra6 Kh5 66.Ke6 f4 67.Rd6 Kh4 68.Kf5?? Rf8?? 69.Ke4 Kh3 70.d8Q Rd8 71.Rd8 Kg3 72.Rf8 Kf2 73.Rf5 Ke2 74.Ra5 f3 75.Ra2 Kf1 76.Kf3 1–0. Boysan,Ferit – Eduardo, Internet Section, 2004.

9.Nc3 Re8 10.Rb1 c5 (10...cb5!? 11.Nb5 Bb8=) 11.Nd5+= Nd5 12.cd5 Nb6 13.Qb3 cd4 14.Bd4 Qg5 15.a4 Nd7 (worse is 15...Qd5 16.a5 Qb3 17.Rb3+=) 16.h4 Qe7 17.Qb2 Nf6 18.h5 h6 19.Bf6 gf6 20.Nc4 Bg4 21.Be2 Be2 22.Qe2 (22.Nd6?! Qd6 23.Qe2 Qd5+=) 22...Bb4 23.Kf1 Rac8 24.Qg4 Kh8 25.Rc1 Qd8 26.Qd1 Rc7 27.d6 Rd7 28.Qd4 Bd6 29.Rd1 (worse is 29.Qa7 Ba3 30.Ke2 Bc1 31.Rc1 f5–/+; 29.Nd6?! Rd6 30.Qa1 Re5=) 29...Qe7 (29...Re6 A) 30.Qa7? Bc5 31.Rd7 Qd7–+ (31...Ba7?? 32.Rd8 Kg7 33.Rd7+–); B) 30.Rh4+=) 30.Rh4 (30.Nd6?! Red8 31.Qb4 Rd6 32.Rd6 Rd6=) 30...Red8 31.Qe4 (31.Re4 Be5 32.Re1 Bd4 (32...Rd4?! 33.ed4 Rc8 34.de5=) 33.Re7 Re7 34.ed4 Re1 35.Ke1 Rd4–+) 31...Be5 32.Rd7 Rd7 (32...Qd7 33.g3 Bc3 34.Kg2+–) 33.Qf5 Bc3 34.Re4 (34.Qf4 Qf8+–) 34...Qd8 35.g3 a6 36.Kg2 Ba1 37.Qc5 Kg7 38.Nb6 Rc7 39.Qf5 Be5 40.Nc4 Qd5 41.Ne5 fe5 42.ba6 ba6 43.Qe5 Qe5 44.Re5 Rc4 45.Ra5 Rc6 46.f4 Re6 47.Kf3 Rc6 48.e4 Kf6 49.e5 Ke6 50.Kg4 1–0. Guelker,Lorenz (2225) – Galuschka,Christian (2205), RSX15E3 – A00 – SokolskyT–1, 2007.

9.Nc3 Re8 10.Be2 Nf8 (10...cb5 11.Nb5 Be7 12.Qb3=) 11.Rc1 (11.bc6 bc6 12.Rb1 Ne6=) 11...Be6 12.0–0 Rc8 (12...Qb8 13.h3=) 13.g3 (13.bc6 bc6 (worse is 13...Rc6 14.cd5 Nd5 15.Bb5+/–) 14.c5 Bb8=) 13...Bb8 (13...Bh3 14.Re1=) 14.bc6= bc6 (worse is 14...Rc6 15.cd5 Nd5 16.Nde4+=) 15.cd5 (15.Rb1 Bh3 16.Re1 Ne6=) 15...cd5 16.Ba6 (16.f3 ef3 17.Bf3 Bd6=) 16...Bg4 17.Qb3 Rc6 (17...Rc7 18.Ba3+=) 18.Bb5= Rb6 Threatens Bd7 19.Na4 Rb7 Threatening Bd7 20.Nc5 Rb6 21.Qa4 Ne6 (21...Bh3 22.Rfe1 a6 23.Na6 Bd7 24.Bd7 Qd7 25.Qd7 N8d7 26.Nb8 Rb2 (worse is 26...Rbb8 27.Rc2+/–) 27.Nd7 Nd7=) 22.Ne6 (better is 22.Bc3+/–) 22...Ree6+= 23.Ba3? (better is 23.Rc3+=) 23...a6–+ 24.Bc6 Bc7 (24...Rec6 25.Rc6 Bd7 26.Qa5 Bc6 27.Bc5–+) 25.Nb3 Rec6 (better is 25...Be2!? 26.Na5 Bf1 27.Kf1 Qb8–+) 26.Rc6–/+ Bd7 27.Rfc1?? (better is 27.Na5 Rb8 28.Nb3+=) 27...Rc6 (27...Bc6 28.Rc6 Qe8 29.Na5 Rb1 30.Kg2 Ba5 31.Qc2–+) 28.Rc6 Qe8 (28...Bc6?! 29.Qc6 a5 30.Nc5=) 29.Qa6 Bc6 30.Qa7 Qb8 (30...Qc8 31.Qc5 Bd7 32.Bb4–+) 31.Qc5 (31.Qb8 Bb8 32.Be7 Nd7–+) 31...Bd7 32.h4 h5 33.Qe7 Qd8 34.Qc5 Be6 35.Qc6 Qb8 36.Kg2 Bg4 37.Bc5 Bf3 38.Kh2 Qd8 39.a4 Ne8 40.Kg1 Qb8 41.Kh2 Nf6 42.Qb5 Bd1 43.Nd2 Qb5 44.ab5 Nd7 45.Nb1 Ba5 46.Kg2 Nb6 47.Nc3? Bc3 48.Bb6 Ba4 49.Bc5 Bb5 50.Bd6 Be2 51.Bc5 Kh7 52.Be7 Kg6 53.Bd8 Kf5 54.Be7 Ba5 55.Bd6 Bd8 56.Bf8 g6 57.Bd6 f6 58.Kh3 Bf1 59.Kh2 Kg4 60.Kg1 Be2 61.Kg2 g5 62.hg5 fg5 63.Be5 h4 64.gh4 gh4 65.Bd6 h3 66.Kg1 Bh4 67.Bb4 Kf3 68.Be1 h2! 69.Kh2 Deflection from f2 69...Bf2 70.Bd2 Be3 71.Bc3 Bf4 72.Kg1 e3 73.Be1 Bg3 74.Bc3 Bd3 75.Bb2 e2 76.Bc3–+ 0–1. Schiefelbusch,Dirk – Voulikh,Boris, Ruhrgebiet VL1, 1999.

7.Nfd2 a6

8.Ba3 Ba3 9.Na3 Qe7 +=.

8.ba6 ba6–/+ 9.c4 Nb6 10.cd5 Nbd5 11.Qc2 +=.

8.ba6= ba6 9.c4 Rb8 10.Qc2 c6 11.Nc3 0–0 12.Rb1 Re8 13.Be2 a5 (13...Nf8 14.c5 Bc7 15.Qa4=) 14.0–0 Ba6 15.Rfc1 Rb7 16.h3 Qa8 17.Qa4 (17.Nb3 a4 18.Nd2 a3=) 17...Bb4 18.a3 (18.Qc6? Bc3 19.cd5 Bd2 (19...Rb2?! 20.Ba6 Rb1 21.Nb1–/+; 19...Bb2?! 20.Ba6 Rb6 21.Qa8 Ra8 22.Rc8 Rc8 23.Bc8–/+) 20.Ba6 Rb6 21.Qa8 Ra8–+) 18...Nb6 19.Qc2 Bf8 20.c5 Nbd7 21.Ba6 Qa6 22.Re1 Reb8 23.a4 Ne8 24.Ba3 Be7 25.f3 f5 26.Rb7 Rb7 (worse is 26...Qb7 27.fe4 fe4 28.Nd5 cd5 29.c6+/–) 27.g4 g6 28.gf5 gf5 29.fe4 fe4 30.Kh1 Ndf6 31.Rg1 Kh8 32.Nf1 Bd8 33.Ne2 Bc7 34.Bc1 Ng7 35.Nfg3 Qd3 36.Qd3 (better is 36.Qd2!?+=) 36...ed3–/+ 37.Nc3 Rb3 38.Bd2 Rb2 39.Nf1 Kg8 40.e4 de4 41.Bh6 Nfh5 42.Ne4 Kf7 43.Rg2 Re2 44.Nd6 Bd6 45.cd6 Nf5 46.Bd2 (46.Rg5!? Nfg3 47.Ng3–+) 46...Ke6 47.Ba5 Nf4 48.Rg5 Nd6 (48...Nd4?! 49.Rg7 Kd6 50.Bc7 Ke6 51.Bf4–/+) 49.Re5 (49.Nd2 Nd5 50.Nb3 Nc4 51.Nc5 Kf7 52.Nd3 Na5 53.Rf5 Kg8–+) 49...Re5 50.de5 Nc4 (50...Ke5 51.Bd2–+) 51.Be1 Nh3 (51...c5!? 52.a5 Ne5 53.Bd2–+) 52.a5–/+ Na5 53.Ba5 Ke5 54.Kg2 Nf4 (better is 54...Ng5!?–/+) 55.Kf3+= Nd5 56.Be1 Kd4 57.Ng3 Ke5 58.Nf1 ½–½. Galuschka,Christian (2205) – Nikel,Bogdan (2250), RSX15E3 – A00 – SokolskyT–1, 2007.

8.ba6 ba6–/+ 9.c4 c6 10.Be2 (10.Ba3 Ba3 11.Na3 Rb8=) 10...0–0 (10...Rb8 11.Ba3 c5 12.cd5=) 11.Ba3 Ba3 12.Na3 c5 (12...dc4 13.Qc2+=) 13.0–0 Qe7 (13...dc4 14.Nac4 cd4 15.ed4=) 14.cd5 (14.dc5 Qc5 15.Nc2 dc4 16.Nc4 Rd8=) 14...Nd5 (14...cd4 15.Nac4+=) 15.Qb3 (15.dc5 Nc3 16.Qe1 Nc5+=) 15...N7f6 (15...Qe6 16.Bc4 N7f6 17.dc5+/–) 16.Nac4 (16.dc5 Qc5 17.Rac1 Qe7=) 16...cd4+= 17.ed4 Qa7 18.Qb2 Rb8 19.Nb3 Nf4 (19...Be6 20.Rfc1+=) 20.Qd2 N6d5 21.Rfe1 (21.Nd6 Ne2 22.Qe2 f5=) 21...Qe7 22.Bf1 (22.Qc2 Ne2 23.Qe2 Re8=) 22...f5 (22...Rd8 23.Nc5 f5 24.Rac1=) 23.Rac1 (23.Nc5 Qg5 24.Ne3 Rd8=) 23...Rd8 (23...Qg5 24.Ne3 Ne3 25.Qe3=) 24.f3 (24.Nc5 Ne6=) 24...Qg5 (24...Re8 25.fe4 fe4 26.Nc5–+) 25.fe4 fe4 26.g3 (26.Nc5 Nh3 27.Kh1 Qd2 28.Nd2 Nf2 29.Kg1 Rb2 30.Nde4 Ne4 31.Re4 Kf7+/–) 26...Bf5 (26...Re8 27.Bg2 Nh3 28.Bh3 Qd2 29.Nbd2 Bh3 30.Ne4+/–) 27.Kh1 (27.Bg2 e3 28.Bd5 Nd5 29.Ne3 Ne3 30.Qe3 Qg6+=) 27...Ne6 28.Qg5 Ng5 29.Ne5 (29.Nc5 Nb4 30.a3 Nd3 31.Bd3 ed3+/–) 29...Nb4 (29...Rd6=) 30.h4 (30.Bc4!? Kf8 31.Rf1+=) 30...Nf3 Exerts pressure on the isolated pawn (30...Na2 31.hg5 Nc1 32.Bc4 Kf8 33.Rc1+=) 31.Bc4 Kf8 32.Rf1 (32.Nf3 ef3 33.Rf1 Bg4=) 32...Bh3 (32...Na2 33.Ra1 Bh3+/–) 33.Rf2+/– Ke7 34.Nf3 ef3 35.Rf3 Rf8 36.Re3 Kd6 37.Nc5+– Bg4 38.Bb3 Bf3+/– 39.Kg1 White fights for the Initiative 39...Bd5 40.Bd5 Kd5 41.a3 Nc6 42.Nd7 Rfc8? 43.Nb8 Rb8 44.Rd1 g6 45.Rc3 Rb2 46.h5 Ra2 47.Rc5 Kd6 48.Rd3 Rb2 49.hg6 hg6 50.Rg5 Ne7 51.Rf3 (51.Rf3 Rd2 52.Ra5 Rd4 53.Ra6 Kd5 54.Rff6+–) 1–0. Benassi,Aspasio (2150) – Feldmann,Guido (2000), IECG, 2002.

6.d4 Qe7

7.c4 e4 8.c5 ef3 9.Qf3 Nc5 10.dc5 –/+.

7.de5 Be5 8.Ne5 Ne5 9.Ba3 +=.

7.de5+= Ne5 8.Nbd2 0–0 9.Be2 Re8 10.Ne5 Be5 11.Be5 Qe5 12.0–0 Qc3 13.Nb3 Bf5 14.Nd4 Be4 15.Qe1 Qc5 16.Qd2 Bg6 17.f3 (17.c4 Ne4 18.Qc1 Rad8=) 17...Qe7+= 18.Kf2 Qe5 19.g3 Qd6 (19...Qh5 20.Rh1–/+) 20.Rfe1 Nd7 (20...a6 21.Kg2+=) 21.Qc3 Nc5 22.a4 Re7 23.Bd3 Rae8 (23...Nd3 24.cd3 Qf6 25.Kg2=) 24.Bg6 hg6 (24...fg6 25.Kg2+=) 25.Nb3 (25.a5 a6=) 25...Nd7 (25...Nb3 26.Qb3 a6 27.Rad1=) 26.Rad1= Nf6 (26...a6 27.ba6 ba6 28.e4 Qb6 29.Kf1 de4 30.Re4 Re4 31.fe4+=) 27.Qd4 (27.Qc5 Qe6=) 27...a6 28.Nc5 ab5 29.ab5 (worse is 29.Nb7 Qc6 30.Nc5 ba4–/+) 29...Qb6 30.Rb1 (30.c4 Re5 31.Rc1 dc4 32.Qc4 Nd5+–) 30...Ra8 (30...g5 31.c4+=) 31.Rb2 Ree8 (31...g5 32.Kg2=) 32.Qb4 (32.c4 dc4 33.Qc4 Re5=) 32...Ra7 (32...g5 33.Kg2+=) 33.Re2 (33.Kg2 Re5=) 33...Rea8 (33...g5 34.Qd4+=) 34.c4 (34.Kg2 Ra1=) 34...Ra3 (34...Qd6 35.Kg2+=) 35.cd5 (35.Na6! Ra1 36.c5+=) 35...Nd5= 36.Qc4 Rc3 37.Qd5 Rc5 38.Qd7 Rc3 (38...Rh5 39.Kg2=) 39.Rbd2 Qc5 40.Rd5 Qc4 41.e4 Qb3 (41...Rca3=) 42.Qe7 (better is 42.Kg2!?+=) 42...Rf3–/+ 43.Kg2 Rf6 44.Kh3?? (44.Rd8 Kh7 45.Ra8 Qf3 46.Kh3 Qh5 47.Kg2 Qe2 48.Kh3–+) 44...Qf3–+ 45.Red2 g5! 46.Rd8 Rd8 47.Rd8 Kh7 (47...Kh7 48.Qf6 g4 49.Kh4 Qf6 50.Kh5 Qd8–+) 0–1. Spicak,Krzysztof (2280) – Malevinsky,Alexander A (2390), Polanica Zdroj op Poland, 1992.

7.de5 Ne5–/+ 8.Nbd2 0–0 9.Be2 Bf5 10.0–0=+ Rfd8 11.Ne5 Be5 12.Be5 Qe5 13.Nf3 Qe7 14.Nd4= Be4 15.Qd2 Rac8 16.f3 Bg6 17.Rfe1 c5 18.bc6 bc6 19.Bd3 Bd3 20.cd3 Qd7 21.Nb3 c5 22.Rac1 ½–½. Taulien,Hans_Juergen – Friedrich,Fritz, remoteschach.de, 2003.

7.de5 Ne5 8.Ne5 Be5 9.Be5 Qe5 10.Qd4 Qd4 11.ed4 Bf5 12.c3 0–0–0 13.f3 h5 14.Kd2 h4 15.Bd3 (15.Be2 Rd7+=) 15...Bd3 16.Kd3 Ne8 (better is 16...Nh5!?–/+) 17.Nd2= Nd6 18.a4 Rde8 19.Rae1 Kd7 20.Re5 c6 21.bc6 Kc6 22.Rhe1 f6 23.Re7 g5 24.R7e6 Kd7 25.Re8 Re8 26.Re8 Ke8 27.c4 dc4 28.Nc4 Nc4 29.Kc4 Kd7 30.Kb5 (30.Kd5!?+=) 30...Kd6= 31.Kc4 Kc6 32.g4 h3 33.d5 Kd6 34.Kd4 b6 35.Ke4 a6 36.Kf5?? (better is 36.f4+=) 36...b5 (better is 36...Kd5 37.Kf6 b5 38.ab5 ab5 39.Kg5 b4–+) 37.ab5 ab5 38.Kf6 b4 39.Kg5 b3 40.f4 b2 41.f5 (41.Kh4 b1Q 42.Kh3 Kd5–+) 41...b1Q 42.Kg6 0–1. BlueNoteTokyo (2040) – PierreMenard (2160), ICC, 2003.

7.c4 dc4

8.Bc4 e4

9.Nfd2 Rb8 A) 10.0–0 A1) 10...0–0 11.Nc3 (11.Bb3 Nb6 12.Nc3 Bf5 13.Qe2 Rfe8 14.h3 c6 15.bc6) 11...Nb6 12.Bb3 Bf5 13.Qe2 Rfe8 14.h3 c6 15.bc6; A2) 10...h6 11.f3 (11.Bb3 Nb6 12.Nc3 0–0 13.Qc2 Re8 14.h3 c6 15.f3) 11...ef3 12.Qf3 Nb6 13.Nc3 0–0 14.h3 Nc4 15.Nc4; A3) 10...Nb6 11.Nc3 (11.Qc2 Bf5 12.Nc3 0–0 13.Bb3 c5 14.bc6 bc6 15.f3) 11...0–0 12.Bb3 Bf5 13.Qe2 Rfe8 14.h3 c6 15.bc6; B) 10.Be2 B1) 10...0–0 11.Nc4 (11.0–0 Nb6 12.h3 h6 13.Nc3 Bf5 14.Nc4 Nc4 15.Bc4) 11...Nb6 12.Nd6 cd6 13.Nc3 Be6 14.0–0 Nc4 15.Qc2; B2) 10...h6 11.Nc4 (11.Nc3 Nb6 12.0–0 0–0 13.h3 Bf5 14.Nc4 Nc4 15.Bc4) 11...0–0 12.Nd6 cd6 13.Nc3 Nb6 14.d5 Qe5 15.0–0; B3) 10...Nb6 11.Nc3 (11.0–0 0–0 12.h3 Rd8 13.Nc3 Bf5 14.Nc4 Nc4 15.Bc4) 11...0–0 12.0–0 Bf5 13.h3 Qe6 14.Qb3 Nfd5 15.Nd5; C) 10.Bb3 C1) 10...Nb6 11.Nc3 (11.Qc2 Bf5 12.Nc3 0–0 13.0–0 c5 14.bc6 bc6 15.f3) 11...0–0 12.0–0 Bf5 13.Qe2 Rfe8 14.h3 c6 15.bc6; C2) 10...a6 11.Nc3 (11.ba6 ba6 12.0–0 Nb6 13.Nc3 0–0 14.Qc2 Bf5 15.f3) 11...0–0 12.a4 ab5 13.ab5 Nb6 14.0–0 Be6 15.h3; C3) 10...0–0 11.Nc3 (11.0–0 Nb6 12.Nc3 c5 13.dc5 Bc5 14.Rc1 Bf5 15.Ne2) 11...Nb6 12.0–0 c5 13.Ba3 Bf5 14.Bc5 Bc5 15.dc5; D) 10.Nc3 D1) 10...0–0 11.0–0 (11.Bb3 Nb6 12.0–0 Re8 13.h3 h6 14.Qc2 c6 15.f3) 11...Nb6 12.Bb3 c5 13.dc5 Bc5 14.Rc1 Bf5 15.Ne2; D2) 10...h5 11.Bb3 (11.Qb1 Nb6 12.Bb3 Bf5 13.0–0 0–0 14.f3 ef3 15.Qf5) 11...Nb6 12.a4 Bf5 13.a5 Nbd7 14.Nc4 0–0 15.0–0; D3) 10...Nb6 11.0–0 (11.Bb3 0–0 12.0–0 Bf5 13.Qe2 Rfe8 14.h3 c6 15.bc6) 11...0–0 12.Bb3 Bf5 13.Qe2 Rfe8 14.h3 c5 15.bc6.

9.Nfd2 h5 A) 10.Be2 A1) 10...0–0 11.Nc3 (11.Qc2 Nb6 12.Nc3 Re8 13.h3 Nbd5 14.Nc4 Nb4 15.Qd2) 11...Nb6 12.Bh5 Bf5 13.0–0 Nh5 14.Qh5 Qe6 15.Qh4; A2) 10...h4 11.Nc4 (11.Nc3 Nb6 12.Qc2 Bf5 13.h3 Kf8 14.a4 Rh6 15.a5) 11...Bb4 12.Nc3 h3 13.gh3 0–0 14.a3 Bc3 15.Bc3; A3) 10...Nb6 11.Nc3 (11.h3 Nbd5 12.Nc3 Nc3 13.Bc3 Nd5 14.Bb2 Qh4 15.Qb3) 11...Bg4 12.h3 Be2 13.Qe2 0–0 14.0–0 a6 15.a4; B) 10.0–0 B1) 10...Nb6 11.h3 (11.Nc3 Bg4 12.Qc2 Nc4 13.Nc4 0–0 14.Nd6 cd6 15.h3) 11...Rh6 12.f4 Rg6 13.Kh1 Nfd5 14.Qe2 Qh4 15.Nc3; B2) 10...h4 11.h3 (11.Nc3 h3 12.g3 0–0 13.f3 ef3 14.Qf3 Nb6 15.Bd3) 11...Nb6 12.Nc3 0–0 13.Be2 Bf5 14.Qb3 Bb4 15.a3; B3) 10...0–0 11.Nc3 (11.h3 Nb6 12.Nc3 Nc4 13.Nc4 Re8 14.Nd6 Qd6 15.a4) 11...Nb6 12.h3 Nc4 13.Nc4 Bf5 14.Nd6 cd6 15.Qb3; C) 10.h3 C1) 10...0–0 11.Nc3 (11.0–0 Nb6 12.Nc3 h4 13.Be2 Rd8 14.a4 Bf5 15.Qb3) 11...Nb6 12.Be2 Bd7 13.0–0 h4 14.Qc2 Bf5 15.a4; C2) 10...h4 11.Nc3 (11.0–0 Nb6 12.Nc3 0–0 13.Be2 Rd8 14.a4 Bf5 15.Qb3) 11...Nb6 12.0–0 0–0 13.Be2 Rd8 14.a4 Bf5 15.Qb3; C3) 10...Nb6 11.Nc3 (11.Be2 Rh6 12.Nc3 Kf8 13.a4 Rg6 14.Qc2 Bb4 15.Kf1) 11...Rh6 12.Be2 Kf8 13.a4 Bf5 14.a5 Nbd5 15.Nd5; D) 10.Nc3 D1) 10...Nb6 11.Be2 (11.h3 Nc4 12.Nc4 0–0 13.Nd6 cd6 14.0–0 a6 15.Qb3) 11...Bg4 12.h3 Be2 13.Qe2 0–0 14.0–0 Qe6 15.f3; D2) 10...h4 11.Be2 (11.Qb1 Nb6 12.Bb3 Bf5 13.0–0 0–0 14.h3 a5 15.ba6) 11...Nb6 12.Qb3 0–0 13.h3 Be6 14.Qc2 Bf5 15.0–0; D3) 10...0–0 11.Be2 (11.h3 Nb6 12.Be2 Bd7 13.0–0 h4 14.Qc2 Bf5 15.a4) 11...Nb6 12.Bh5 a6 13.ba6 Ra6 14.Be2 Ra5 15.Qc2.

9.Nfd2 h6 A) 10.0–0 A1) 10...0–0 11.Nc3 (11.Qc2 Nb6 12.Nc3 Bf5 13.Be2 Rfc8 14.Rfc1 c6 15.bc6) 11...Nb6 12.Be2 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4; A2) 10...Rb8 11.Nc3 (11.f3 0–0 12.Ne4 Ne4 13.fe4 Qe4 14.Qe2 Nf6 15.Nd2) 11...Nb6 12.f3 ef3 13.Qf3 Bg4 14.Qf2 Bd7 15.Qe2; A3) 10...Nb6 11.Nc3 (11.Be2 0–0 12.Nc3 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4) 11...0–0 12.Be2 Bf5 13.Qb3 c5 14.bc6 bc6 15.Rab1; B) 10.Nc3 B1) 10...Nb6 11.0–0 (11.Be2 0–0 12.0–0 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4) 11...0–0 12.Be2 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4; B2) 10...Rb8 11.Bb3 (11.Qb1 Nb6 12.Bb3 Bf5 13.0–0 Bb4 14.a3 Bc3 15.Bc3) 11...Nb6 12.Qb1 Bf5 13.0–0 0–0 14.f3 ef3 15.Qf5; B3) 10...0–0 11.0–0 (11.Be2 Nb6 12.0–0 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4) 11...Nb6 12.Be2 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4; C) 10.Qc2 C1) 10...Nb6 11.Nc3 (11.0–0 0–0 12.Nc3 Re8 13.Bb3 Bf5 14.h3 Rad8 15.a4) 11...0–0 12.0–0 Re8 13.Be2 Qe6 14.g3 Bd7 15.f3; C2) 10...Rb8 11.Bb3 (11.Nc3 Nb6 12.Bb3 Bf5 13.0–0 Bb4 14.a3 Ba5 15.Nf3) 11...Nb6 12.Nc3 Bf5 13.0–0 Bg6 14.Rfe1 c6 15.bc6; C3) 10...0–0 11.Nc3 (11.0–0 Nb6 12.Nc3 Bf5 13.Bb3 a5 14.h3 Rfe8 15.Nc4) 11...Nb6 12.0–0 Bf5 13.Bb3 Rfe8 14.h3 Qd7 15.a4; D) 10.Be2 D1) 10...Nb6 11.Nc3 (11.0–0 0–0 12.Nc3 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4) 11...0–0 12.0–0 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4; D2) 10...Nd5 11.Nc3 (11.0–0 0–0 12.Nc4 N7f6 13.Nd6 cd6 14.Nc3 Bd7 15.Rc1) 11...Nc3 12.Bc3 Nb6 13.Qc2 Bf5 14.Nc4 Nc4 15.Bc4; D3) 10...0–0 11.Nc3 (11.0–0 Nb6 12.Nc3 Bf5 13.Qb3 c5 14.bc6 bc6 15.Rab1) 11...Nb6 12.Rc1 Nbd5 13.0–0 Nc3 14.Bc3 Nd5 15.Nc4.

9.Ng5 0–0–/+ 10.h4 h6 11.Nc3 (11.Nh3 Nb6 12.Bb3 Bg4–/+) 11...Nb6–+ (worse is 11...hg5 12.hg5 Rd8 13.Rc1+/–) 12.Bb3 (12.Bf7 Rf7 13.Nf7 Qf7–+) 12...Bf5 (12...hg5 13.hg5 Ng4–/+) 13.Nh3–/+ c6 (13...a6 14.ba6 Ra6 15.Qc2–/+) 14.bc6+= bc6 15.Qc1 (15.Qe2 Nbd5–/+) 15...Rac8 16.a3 (16.Rb1 c5 17.dc5 Rc5–/+) 16...Nfd5 (16...c5 17.dc5 Rc5 18.Nf4–/+) 17.h5 (17.Ng1 Qe6–/+) 17...Qh4 18.Bd1 (18.Rb1 Qh5 19.Kf1 Qg6–+) 18...Nc3 (18...c5 19.Nd5 Nd5 20.Qd2–+) 19.Qc3–/+ Nd5 20.Qd2 Bg4 21.Kf1 (21.Ba4 Qe7–/+) 21...Qh5–+ (worse is 21...Bh5 22.g3 Bg3 23.fg3 Qf6 24.Nf2 Bd1 25.Rd1=) 22.Kg1 Qg6 23.Bg4 Qg4 24.a4 f5 (24...Rfd8 25.Qa5–+) 25.Ba3–/+ Ba3 26.Ra3 g5 (26...c5 27.Nf4 Nf4 28.ef4–+) 27.Kf1? (better is 27.Qc2!?+=) 27...f4 28.ef4 gf4 29.f3 (29.Qc2 e3 30.Ng1 ef2 31.Nf3 Ne3 32.Re3 fe3 33.Rh6–/+) 29...Ne3 30.Ke1 Ng2 31.Kd1 ef3 32.Nf2 Qg6 33.Rf3 Qb1 34.Qc1 Ne3 35.Ke2 Qc1 36.Rc1 Nd5 37.Rg1 Kh7 38.Ng4 Rce8 39.Kf2 Re6 40.Rh3 Rb8 41.Ne5?! Rb2 42.Kf3 Rb3 43.Kg4 Rh3 44.Kh3 c5! 45.Nd7 Re3 46.Kh4? cd4?? 47.Nf8= Kh8 48.Ng6 Kh7 49.Nf8= Kh8 50.Ng6 Kg7 51.Nf4 Kf7 52.Nd5 Ra3 53.Kh5 Ke6 54.Nc7= Ke5 55.Kh6 d3 56.Rg8?? Ra4–+ 57.Rg5 Kf4 58.Nd5 Kf3 59.Rf5 Kg3 60.Rg5 Kf2 61.Rf5 Ke1 62.Re5 Kd2 63.Kg5 Rd4 64.Nf4 Kd1 65.Nd3 Rd3–/+ 66.Ra5 Rd7 67.Kf6 Kc2 68.Ke6 Rh7 69.Kd6 Kb3 70.Kc6 Kb4 71.Ra1 a5= 72.Rb1 Kc3?? 73.Ra1= Rh5 74.Kb6 Kb4 75.Rb1 Kc4 76.Ra1 ½–½. Adams,Jonathan – Petersons,Haralds, AUS–ch maj Mingara, 1999.

9.Nfd2 0–0

10.0–0 A) 10...Nb6 11.Be2 (11.Nc3 Nc4 12.Nc4 a6 13.a4 ab5 14.Nd6 cd6 15.ab5) 11...h6 12.Nc3 Bf5 13.a4 Nfd5 14.Nd5 Nd5 15.Qb3; B) 10...h6 11.Be2 (11.Nc3 Nb6 12.Be2 Bf5 13.Rc1 c5 14.bc6 bc6 15.f4) 11...Nb6 12.Nc3 Bf5 13.Rc1 Rfd8 14.Qb3 Rab8 15.h3; C) 10...h5 11.Nc3 (11.h3 Nb6 12.Nc3 Nc4 13.Nc4 Bf5 14.Nd6 Qd6 15.Qb3) 11...Nb6 12.Be2 Bg4 13.h3 Be2 14.Qe2 Qe6 15.f3.

10.Qc2 A) 10...a6 11.ba6 (11.Nc3 Nb6 12.0–0 ab5 13.Nb5 Bb4 14.Bc3 Bc3 15.Nc3) 11...Nb6 12.Be2 Nbd5 13.Nc3 Nb4 14.Qb1 Nd3 15.Bd3; B) 10...h6 11.Nc3 (11.0–0 Nb6 12.Nc3 Bf5 13.Be2 Rfc8 14.Rac1 c5 15.dc5) 11...Nb6 12.0–0 Bf5 13.Be2 Rfc8 14.h3 c5 15.bc6; C) 10...Nb6 11.Nc3 (11.Bb3 Nbd5 12.Ne4 Ne4 13.Bd5 Bf5 14.Qc1 Qh4 15.g3) 11...a6 12.0–0 ab5 13.Nb5 Bb4 14.Bc3 Bc3 15.Nc3.

10.Nc3 Nb6 11.Be2 Nbd5 12.0–0 Nc3 13.Bc3 Be6 14.Qc2 Nd5 15.Bb2 f5 16.Nc4= Qg5 Qh6 18.Nd6 cd6 19.Rac1 Qg6 20.Qd2 f4=+ 21.Kh1 Rf6 22.Ba3 Qg5 23.Bd6 Qh4?? 24.Kg1 Rh6 25.h3 Rg6 26.Rfe1 Bh3= (27.Bf1 fe3–/+ (< 27...Rd6 28.ef4 Bf5 29.Bc4–+)) 0–1. Schulz,Hans_Juergen – Melia,Ken, TT–05 TSC, 2003.

10.Nc3 Nb6 11.Be2 Bf5 12.0–0 h6 13.Qc2 Nbd5 14.Nc4 Nb4 15.Qd2.

10.Nc3 Re8 11.0–0 (11.Be2 Nb6 12.0–0 h6 13.a4 Rd8 14.h3 Bb4 15.Qb3) 11...Nb6 12.Be2 Bf5 13.Qb3 Rad8 14.a4 Nfd5 15.Nc4.

10.Nc3 h6 11.Qc2 (11.0–0 Nb6 12.Be2 Bf5 13.Qc2 Nbd5 14.Nc4 Nb4 15.Qd2) 11...Nb6 12.Be2 Bf5 13.0–0 Nbd5 14.Nc4 Nb4 15.Qd2.

10.Be2 A) 10...Nb6 11.Nc3 (11.0–0 h6 12.Nc3 Bf5 13.Rc1 Rfe8 14.Qb3 Qd7 15.Ba3) 11...Bf5 12.0–0 h6 13.Rc1 Rfe8 14.Qb3 Rab8 15.a4; B) 10...h6 11.0–0 (11.Nc3 Nb6 12.0–0 Bf5 13.Rc1 Rab8 14.h3 c6 15.Qc2) 11...Nb6 12.Nc3 Bf5 13.Qb3 c5 14.bc6 bc6 15.Rab1; C) 10...Nd5 11.0–0 (11.Nc3 Nc3 12.Bc3 Nf6 13.0–0 Nd5 14.Bb2 Bf5 15.Qb3) 11...N7b6 12.Nc3 Bf5 13.Nd5 Nd5 14.Qb3 Qe6 15.Nc4.

9.Nfd2 Nb6

10.0–0 A) 10...0–0 11.Nc3 (11.Be2 Bf5 12.Nc3 h6 13.h3 Nfd5 14.Nd5 Nd5 15.Qb3) 11...Nc4 12.Nc4 Bd7 13.a4 a6 14.Nd6 cd6 15.Qb3; B) 10...Nc4 11.Nc4 0–0 12.Nd6 cd6 13.Nc3 Bf5 14.Rc1 h6 15.h3; C) 10...h6 11.Nc3 (11.Be2 0–0 12.Nc3 Bf5 13.h3 Nfd5 14.Nd5 Nd5 15.Qb3) 11...0–0 12.Be2 Bf5 13.h3 Nfd5 14.Nd5 Nd5 15.Qb3.

10.a4 0–0 (10...Bf5 11.Nc3 (11.0–0 0–0 12.Be2 h6 13.Nc3 Nfd5 14.Nd5 Nd5 15.Qb3) 11...0–0 12.0–0 Bh2 13.Kh2 Ng4 14.Kg3 Qd6 15.f4; 10...Bd7 11.Nc3 (11.0–0 0–0 12.Be2 Nbd5 13.Nc3 Nc3 14.Bc3 Nd5 15.Qb3) 11...0–0 12.Bb3 c6 13.bc6 bc6 14.0–0 Rab8 15.h3) 11.Nc3 (11.Be2 Nbd5 12.0–0 Bf5 13.Nc3 Nb4 14.Nc4 Nd3 15.Qd2) 11...Nc4 (11...a6 12.0–0 ab5 13.Bb5 Bb4 14.Qc2 c6 15.Be2) 12.Nc4 Bb4 (12...Be6 13.Nd6 cd6 14.d5 Bf5 15.Qd4) 13.0–0 Be6 (13...a6 14.Qc2+= Bf5 15.Ne5) 14.Ne5= Bc3 15.Bc3 Nd5 16.Bd2 f6 17.Nc4 a6 (17...Nc3 18.Bc3 Bc4 19.Re1=) 18.Na5 Rfb8 19.ba6 Ra6 20.Rb1 Nb6 21.Qc2 Bd5 22.Rfc1 Rc8 23.Rb5 Qe6 (23...Qd7 24.Rc5=) 24.Rc5 Rca8 25.Rb5 (worse is 25.Rc7 Ra5 26.Ba5 Ra5–/+) 25...h6 26.Rcb1 Rc8 (26...Qd7 27.Rc5=) 27.Rc5 Qd6 ½–½. Taulien,Hans_Juergen – Schudig,W, remoteschach.de, 2003.

10.Bb3 A) 10...a6 11.Nc3 (11.Qc2 ab5 12.Nc3 Bb4 13.0–0 Bc3 14.Qc3 Bf5 15.Qc5) 11...0–0 12.Qc2 ab5 13.Nb5 Re8 14.0–0 Bf5 15.Nc4; B) 10...Bf5 11.0–0 (11.Nc3 a6 12.0–0 0–0 13.Qc2 ab5 14.Nb5 Rfd8 15.f3) 11...0–0 12.Nc3 a6 13.Qc2 ab5 14.Nb5 h6 15.Rac1; C) 10...0–0 11.Nc3 (11.Qc2 Nbd5 12.Ne4 Nb4 13.Nf6 Qf6 14.Qd2 Qg6 15.0–0) 11...a6 12.Qc2 Bb4 13.0–0 Bc3 14.Qc3 ab5 15.Qc5.

10.Nc3 A) 10...0–0 11.Be2 (11.0–0 Bf5 12.Be2 Rad8 13.Qb3 h6 14.h3 Rfe8 15.Rad1) 11...Bf5 12.0–0 h6 13.h3 Nfd5 14.Nd5 Nd5 15.Qb3; B) 10...Bf5 11.0–0 (11.Be2 0–0 12.0–0 Rab8 13.h3 h6 14.Nc4 Nc4 15.Bc4) 11...Nc4 12.Nc4 0–0 13.Qc2 g6 14.h3 Rfc8 15.Rac1; C) 10...Nc4 11.Nc4 0–0 12.0–0 Bd7 13.f3 a6 14.b6 ef3 15.Qf3.

10.Be2!?+= A) 10...0–0 11.Nc3 (11.0–0 Nfd5 12.Nc3 Bf5 13.Nd5 Nd5 14.Qb3 Rfd8 15.Nc4) 11...Bf5 12.0–0 h6 13.Qb3 c6 14.bc6 bc6 15.Qc2; B) 10...Bf5 11.Nc3 (11.0–0 0–0 12.Nc3 h6 13.h3 Nfd5 14.Nd5 Nd5 15.Qb3) 11...0–0 12.0–0 h6 13.Qb3 c5 14.bc6 bc6 15.Rab1; C) 10...Nbd5 11.Nc3 (11.0–0 0–0 12.Nc3 Nc3 13.Bc3 Nd5 14.Bb2 Bf5 15.Qb3) 11...Nc3 12.Bc3 0–0 13.0–0 Nd5 14.Bb2 Bf5 15.Qb3.

6.Be2 0–0

7.0–0 a5 8.d4 e4 9.Nfd2 c6 10.Ba3 c5 11.c4 =+.

7.0–0 a6 8.a4 c5 9.bc6 bc6 10.Nc3 Qc7 11.h3 –/+.

7.0–0 a6 8.Nc3 b6 9.ba6 c6 10.a4 Ba6 11.d3 =+.

7.0–0 a6 8.Nc3 c5 9.d4 cd4–/+ 10.ed4 e4 11.Nd2 Qc7 12.h3 Bb4 13.Ncb1 ab5 14.Bb5 Nb6 15.a3 Bd6 16.Nc3 Bd7 17.Re1 Bb5 18.Nb5=+ Bh2 19.Kh1 Qc6 20.Kh2 Qb5 21.Bc3 Qc6 22.Bb4 Rfc8 23.Rc1 Na4 24.Nb1 Nb2–/+ 25.Qe2 Nc4 26.Kg1 b6 27.Rcd1 Qc7 28.Rc1 h6 29.Rcd1 Qd7 30.Kh1 Qf5 31.Kg1 Nh5 32.Rc1 Nf4 33.Qg4 Qg4 34.hg4 Rd8 35.Rcd1 Nb2 36.Rc1 Ne6 37.Nd2 Rdc8 38.Nb1 Na4 39.c3 Nb2 40.Re2 Nc4 41.g3 Kh7 42.Kg2 g6 43.Ra2 e3 44.Re1 Ng5 45.fe3 Re8 46.Rae2 Ne4 47.Rf1 Kg7 48.Rd1 Re6 49.Rde1 b5 50.Rd1 Rae8 51.Rf1 Ng5 52.Kh1 Re3 53.Re3 Re3 54.Rg1 Nh3 55.Rc1 Re2 56.a4 Ne3 57.Na3 Ng5 (58.Ra1 Nf3 59.Bf8 Kf8 60.ab5 Rh2#) 0–1. Jonsson,Gudbrandur – Wrede,Christian, TT–11 ETC, 2003.

7.0–0 c5 8.bc6 bc6 9.Nc3 Qc7 10.h3 Rb8 11.Rb1 =+.

7.0–0 c6 8.a4 Qc7 9.h3 c5 10.Nh4 Qd8 11.d4 =+.

7.0–0 Qe7 8.Nc3 c5 9.bc6 bc6 10.Rb1 Rb8 11.d4 e4–/+ 12.Nd2 Nb6 13.a4 a5 (13...Qc7 14.h3+=; 13...a6+=) 14.h3 Bf5 15.Nb3 Bb4 16.Ba1 (16.Qc1 Nfd7–/+) 16...h6 (16...Nfd7 17.Bb2+=) 17.Bb2+= Nc4 (17...Nfd7 18.Kh1+=) 18.Ba1 (18.Na2 Nd7+=) 18...Na3 19.Rc1 Nh7 (19...Nd7 20.Na2+=) 20.Na2= Bd6 (20...Ng5 21.Nb4 ab4 22.Re1=) 21.Na5 (21.Bc3 Ng5=) 21...Bd7 (21...Bc7 22.Nc6 Qd6 23.Ne5+=) 22.Nb3 (22.Bc3 Qg5 23.Kh1 f5=) 22...Ng5+= 23.Bg4 (23.h4 Nh3 24.gh3 Qh4 25.Qe1 Nc2 26.Rc2 Qh3 27.f4 Qe3 28.Qf2 Qb3 29.Rb2–/+) 23...f5–/+ 24.h4 (24.Bh5 f4 25.ef4 Bf4–/+) 24...Nf7 (24...fg4 25.hg5 Qg5 26.Qd2–+) 25.Bh5 (25.Be2 Qh4 26.g3 Bg3 27.fg3 Qg3 28.Kh1 Qh3 29.Kg1 Qe3 30.Kh1 Qh3 31.Kg1 f4–+) 25...Qh4–+ 26.g3 Bg3! 27.fg3 (27.fg3 Qg3 Double attack (27...Qg5 Decoy)) 27...Qg3 28.Kh1 Qh4 (28...Qh3 29.Kg1 Nc4 30.Qe2 Ne3 31.Rf2–+) 29.Kg1 Ng5 30.Qe2 (better is 30.Bc3 Nc4 31.Bd2–+) 30...Nh3 31.Kg2 f4 32.Nc5 f3 33.Bf3 ef3 34.Rf3 Bg4 (34...Bg4 35.Nd3 Bf3 36.Qf3 Rf3 37.Kf3 Rf8 38.Ke2 Nc4 39.Nab4 Rf2 40.Nf2 Qf2 41.Kd3 Qe3#) 0–1. Hohlstein,Walter (2080) – Heinrich,Olaf (2290), RSX7E – A00 – Sokolsky–1, 2008.

7.0–0 Qe7 8.Nc3 c5 9.bc6 bc6 10.Rb1 Rb8 11.Qe1 =+.

7.0–0 Qe8 8.d4 e4 9.Nfd2 a6 10.Ba3 Ba3 11.Na3 =+.

7.0–0 Re8 8.d3 a6 9.a4 Qe7 10.Nbd2 e4 11.Ne1 =+.

7.Nc3 a5 8.a4 Nb6 9.0–0 Re8 10.d3 Qe7 11.Qd2 =+.

7.Nc3 a6 8.0–0 Re8 9.ba6 ba6 10.Rb1 Rb8 11.d3 c6 12.Qd2 Bb4 13.a3 Ba5 14.Ba1 Rb6 15.Kh1 c5–/+ 16.Qd1 Bb7 17.Rb3 e4 18.de4= de4 19.Nd2 Rb3 20.Nb3 Bc7 21.Na4 Qe7 22.Bf6+= Nf6 23.Nac5 Rd8 24.Qc1 Qe5 25.g3+= Bc8 26.Ba6 Bh3 27.Rd1 Ng4 28.Rd8 Bd8 29.Qd2 Be7 30.Nd7 Qf5–+ 31.Kg1 Ba3 32.Ndc5–/+ h6 33.Na4 Qf3 34.Bf1 Bf1 35.Kf1 Qh1 36.Ke2 Qh2 37.Kf1 Qh1 38.Ke2 Qg2 39.Qe1 Bb4! 40.c3 Bd6 41.Nd2 Bg3 42.Qf1 Qf2 43.Qf2 Bf2 44.Ne4 Be3 45.c4 Bg1 46.c5 Ne5 47.Nd6 g6 48.Kf1 Be3 49.Ke2 Bd4 50.Nb5 Bg1 51.Na7 Nc4 52.Kd3 Na3 53.c6–/+ Bh2 54.Nc3 Kf8 55.Nd5 Kg7 56.Ke2 Nc4 57.c7 Bc7 58.Nc7 g5 59.Nc6 h5 60.Ne8 Kh7 61.Nf6 Kg6–+ 62.Ne4 Kf5 63.Ng3 Kg4 64.Ne4 Kf4 65.Nf6 h4 66.Nd8 h3 67.Kf2 g4 68.Nf7? g3–+ 69.Kg1 h2 70.Kg2 Ne3 71.Kh1 Kf5 72.Nd6 Ke5 73.Nde4= Ng4 74.Ng4 Ke4 75.Nh2 g2 ½–½. Fritz 6 – Comet B50, 2003.

7.Nc3 a6 8.0–0 Re8 9.ba6 ba6 10.Rb1 c5 11.d3 =+.

7.Nc3 a6 8.a4 Re8 9.0–0 c5 10.bc6 bc6 11.Rb1 =+.

7.Nc3 a6 8.ba6 ba6 9.Rb1 c5 10.a3 e4 11.Ng5 –/+.

7.Nc3 Nb6 8.a4 e4 9.Nd4 Be5 10.a5 Bd4 11.ed4 =+.

7.Nc3 c5 8.bc6 bc6 9.Rb1 Rb8 10.a3 Re8 11.0–0 Qc7 12.h3 Nf8 13.d3 Bf5 14.Nh4 Be6 15.Nf3 Rb7 16.Ba1 Rb1 17.Nb1 Ng6 18.c4=+ dc4 19.dc4 Bf5 20.Qb3 Rb8 21.Qa2 a5 22.Nc3 Qe7 23.Na4 Ba3 24.Ne5= Ne5 25.Be5 Qe5 26.Qa3 Rb4 27.Rd1 h6 28.Nc3 Bc2 29.Rd8 Kh7 30.Rd4 c5 31.Qa5 Bf5 32.Bf1 Rb3= 33.Ne2 Rb1 34.Ng3 Be6= 35.Rf4 Nh5 36.Nh5 Qh5 37.Qd2 g5 38.Qc2 Qg6=+ 39.Re4 Ra1 40.g4 Bd7 41.f3 Bc6 42.Qc3 Rf1 43.Kf1 Be4 44.fe4 Qe4 45.Kf2 f5 46.Qf6 Qc2 47.Kg3 f4 ½–½. Francia,Pasquale – Rhiner,Walter, itsyourturn.com, 2005.

7.Nc3 c5 8.bc6 bc6 9.Rb1 Qc7 10.Qc1 Rb8 11.d3 –/+.

7.Nc3 Qe7 8.0–0 c5 9.bc6 bc6 10.Rb1 Rb8 11.Re1 =+.

7.Nc3 Re8 8.a4 c5 9.bc6 bc6 10.0–0 Rb8 11.Ba3 =+.

7.Nc3 c6

8.0–0 Qc7 9.h3 c5 10.Nh4 Nb8 11.Na4 =+.

8.0–0 Qc7 9.h3 Re8 10.d3 a6 11.a4 Nb8 12.Qc1 Bf5 13.Ba3 Qe7 (13...c5 14.Bb2+=) 14.b6 a5 (14...c5 15.d4+=) 15.g4 Bg6 16.Bd6 Qd6 17.Qa3 Qd8 18.Rab1 Nfd7 19.h4 h6 (worse is 19...Nb6 20.h5 e4 21.Nd4 (worse is 21.hg6 ef3 22.gh7 Kh7 23.Bf3 Na6=) 21...Bh5 22.gh5 Qg5 23.Kh1 Qh4 24.Kg2+=) 20.h5 Bh7 21.Rfd1 Na6 22.Na2 e4 23.Ne1 Qg5 24.de4 Re4 25.Nd3 (25.f4!? Qh4 26.Ng2–+) 25...Nb6!–+ 26.Qb3 (26.Rb6 Rg4 Double attack) 26...Nb4! 27.Nab4 (27.Nab4 Rb4 Double attack; 27.Ndb4 Rb4 Double attack) 27...ab4 28.Nb4 (28.Nc5 Rc4! (28...Rg4?! 29.Bg4 Qg4 30.Kf1–+) 29.Bc4 Qg4 (29...dc4 30.Qb4 Qg4 31.Kf1 Bc2 32.Rd4 Qh5 33.Re1 Na4 34.Qb7–+) 30.Kf1 Nc4–+ (30...Qc4?! 31.Qc4 Nc4 32.Rb4+=; 30...dc4 31.Qb4 Bc2 32.Rd4 Qh5 33.Re1 Na4 34.Qb7–+)) 28...Nc4 29.Nd3? (better is 29.Kf1!?–+) 29...Rg4 30.Bg4 Qg4 31.Kf1 Qh3 (31...Qh5 32.Qb7 Rf8 33.Qc7–/+) 32.Ke2 Qh5 33.Ke1 (33.Kf1 Bf5 34.Ne1 Bg4–+) 33...Be4 34.Nb2 Qh1 35.Ke2 Bf3 36.Kd3 Bd1 37.Nd1 Qf1 38.Kd4 Nd2 39.Qb4 (39.Qb7 Qc4 40.Ke5 Qe4 41.Kd6 Nc4 42.Kc5 Ra5 43.Kb4 Qc2 44.Qc8 Kh7 45.Nc3 c5 46.Qc5 Rc5 47.Kc5 Qc3 48.Kd5 Ne3 49.fe3 Qd3 50.Kc5 Qc2 51.Kd5 Qb1 52.Kc5–+) 39...Nb1 40.Ke5 (40.Nc3 Nd2 41.Kc5 Qf2–+) 40...Qd1 41.Kd6 b5 42.c3 Ra4 43.Qc5 Qf3 44.Kc7 Qf6 (44...Qf2 45.c4 Rc4 46.Qa7–+) 45.Kb7 Nd2 46.f3 Nc4 0–1. Elschner,Gerald (2205) – Buchmann,Hans_Peter (2250), RSX15E3 – A00 – SokolskyT–1, 2007.

8.a3 c5 9.0–0 e4 10.Ne1 d4 11.Nb1 =+.

8.Rb1 c5 9.Ng5 h6 10.Nh3 Nb6 11.a3 –/+.

8.bc6 bc6 9.Rb1 Rb8 10.0–0 Qc7 11.h3 Rd8 12.a3 Nb6 13.Re1 e4 14.Nd4 a6 15.Nb3 Nc4 16.Bc4 dc4 17.Nd4 Bh2 18.Kh1 Be5 19.Na4 c5 20.Ne2 Qe7 21.Be5 Qe5 22.Rb8 Qb8 23.Nec3 Qd6 24.Qe2 Be6 25.Nb2 Rb8 26.Rb1 Rb7 27.Qf1 h6 28.Nc4 Rb1 29.Nb1 Qd8 30.Kg1 Qc7 31.Nb2 Qd6 32.d3 Qe5 33.Na4 ed3 34.cd3 Bb3 35.Nac3 Be6 36.Qe2 Bf5 37.Qd2 Qd6 38.e4 Be6 39.Qe3 Nd7 40.Ne2 Ne5 41.d4 Nc4 42.Qc3 Qb6= 43.Qd3 cd4 44.Kh2 Qb8 45.f4 Ne3 46.Nd2 Qb2 47.Kg1 Qa1 48.Kh2 Qe1–+ 49.Ng3 Qf2 50.Qe2 Qf4 51.a4 a5 52.Qe1 h5 53.Kh1 h4 54.Ne2 Qf6 55.e5 Qg5 56.Qf2 Bd5 57.Nf3 Bf3 58.gf3 Qe5 59.Qh4 Nf5 60.Qe4 Qe4 61.fe4 d3 62.Nc3 Ne3 63.Nb1 Nc4 64.Nc3 Nb2 65.Kg2 d2 66.e5 d1Q 67.Nd1 Nd1 68.Kf3 Nc3 69.h4 Na4 70.Kg4 Nc5 71.h5 a4 72.Kf5 a3 73.e6 fe6 (74.Ke5 a2–+) 0–1. Fritz 6 – Fritz 8, 2003.

8.Ng5 Nc5 9.Nf3 Ne6 10.0–0 Qc7 11.bc6 –/+.

6.Be2 c5

7.bc6 bc6 8.Nc3 a5 9.0–0 Ba6 10.Ba6 Ra6 11.Na4 0–0 12.Qe2 Ra7 13.h3 c5 (13...Qc7 14.Rab1+=) 14.Rab1= Qc7 15.Nc3 e4 16.Nh4 Bh2 (16...Rb7!? 17.Nb5 Qb8=) 17.Kh1+= Rb7 18.Nb5 Qb8 19.Bf6 Nf6 20.g3 Bg3 21.fg3 Qg3 22.Nf5 Qh3 23.Qh2 Qh2 24.Kh2 Rfb8 25.Nfd6 Rb6 26.c4 dc4 27.Nc3 Rb1 (27...Rb4 A) worse is 28.Nde4 Ne4 29.Rb4 cb4 (29...Rb4?! 30.Ne4 Rb2 31.a4=) 30.Ne4 Rd8+=; B) 28.Rbd1 Rd8 29.Nce4 Ne4 30.Ne4=) 28.Rb1 Rb1 29.Nb1. Greiner,Andreas (2300) – Kim,Oi_sin (2015), RSX15E3 – A00 – SokolskyT–1, 2007.

7.bc6 bc6 8.Nc3 Rb8 9.Rb1 Qc7 10.h3 0–0 11.0–0 =+.

7.d3 0–0 A) 8.c4 A1) 8...d4 9.e4 (9.0–0 h6 10.e4 Qa5 11.a4 Nb6 12.Qd2 Qd2 13.Nbd2) 9...Nb6 10.0–0 a6 11.Na3 Bd7 12.Qb3 Qc7 13.Bc1; A2) 8...Qb6 9.Nbd2 (9.Qc2 a6 10.Na3 Qa5 11.Qd2 Qd2 12.Nd2 Bb8 13.cd5) 9...a6 10.cd5 ab5 11.e4 Nh5 12.g3 Re8 13.a4; A3) 8...a6 9.Na3 (9.ba6 Ra6 10.Nc3 d4 11.Nb5 e4 12.de4 Ne4 13.0–0) 9...Qe7 10.cd5 Nd5 11.0–0 b6 12.ba6 Ba6 13.Nc4; B) 8.a4 B1) 8...Qe7 9.Nbd2 (9.0–0 e4 10.de4 de4 11.Nfd2 Ne5 12.Nc3 Bf5 13.h3) 9...e4 10.de4 de4 11.Ng5 Bc7 12.0–0 h6 13.Nh3; B2) 8...Bc7 9.0–0 (9.Nfd2 d4 10.Nc4 Nb6 11.Nbd2 Be6 12.0–0 Nfd5 13.Bf3) 9...e4 10.de4 de4 11.Nfd2 Ne5 12.Nc3 Qd6 13.g3; B3) 8...Qc7 9.Nbd2 (9.Nh4 d4 10.Nf5 Nb6 11.Nd6 Qd6 12.Nd2 a6 13.Bf3) 9...h6 10.Nh4 e4 11.de4 Be5 12.Be5 Ne5 13.ed5; C) 8.Nbd2 C1) 8...Qc7 9.c4 (9.a4 Re8 10.g3 h6 11.0–0 e4 12.de4 de4 13.Nh4) 9...a6 10.ba6 Ra6 11.cd5 Nd5 12.0–0 b5 13.a4; C2) 8...a6 9.a4 (9.ba6 b5 10.0–0 Ba6 11.a4 b4 12.c4 bc3 13.Bc3) 9...Qc7 10.h3 h6 11.0–0 e4 12.de4 de4 13.Nh4; C3) 8...Qa5 9.0–0 (9.c3 Qb5 10.Qc2 h6 11.c4 Qc6 12.0–0 d4 13.Nh4) 9...Qb5 10.Qb1 b6 11.c4 Qc6 12.cd5 Nd5 13.Nc4; D) 8.0–0 D1) 8...Qc7 9.Nc3 (9.Nbd2 Nb6 10.Rb1 Be6 11.g3 Bf5 12.e4 de4 13.de4) 9...d4 10.Ne4 Ne4 11.de4 Nf6 12.Qd3 a6 13.a4; D2) 8...a6 9.ba6 (9.Nc3 d4 10.Ne4 Ne4 11.de4 ab5 12.Bb5 Nf6 13.Qd3) 9...Qb6 10.Qc1 Qa6 11.Re1 Qc6 12.e4 de4 13.de4; D3) 8...Qb6 9.Nc3 (9.a4 e4 10.de4 de4 11.Nfd2 Ne5 12.Be5 Be5 13.Nc4) 9...d4 10.Ne4 Ne4 11.de4 Nf6 12.Qd3 Be6 13.ed4.

7.d3 a6 A) 8.a4 A1) 8...0–0 9.0–0 (9.Nbd2 Qc7 10.g3 h6 11.0–0 e4 12.de4 de4 13.Nh4) 9...ab5 10.ab5 Ra1 11.Ba1 Qc7 12.Nbd2 Nb6 13.c4; A2) 8...h6 9.Nbd2 (9.Na3 0–0 10.0–0 Qc7 11.Nh4 Nb6 12.c4 Be6 13.a5) 9...0–0 10.0–0 e4 11.de4 de4 12.Nh4 Qc7 13.g3; A3) 8...ab5 9.ab5 (9.Nc3 ba4 10.Na4 0–0 11.c4 Qe7 12.0–0 e4 13.de4) 9...Ra1 10.Ba1 Qc7 11.Nbd2 Nb6 12.0–0 0–0 13.c4; B) 8.ba6 B1) 8...Ra6 9.Nc3 (9.Nbd2 0–0 10.0–0 Qc7 11.d4 Rb6 12.de5 Ne5 13.Be5) 9...d4 10.Ne4 Ne4 11.de4 Rb6 12.Rb1 Nf6 13.ed4; B2) 8...0–0 9.c4 (9.Nc3 Qb6 10.ab7 Bb7 11.Rb1 d4 12.Bc1 Qc6 13.Nb5) 9...Ra6 10.Nc3 d4 11.Nb5 de3 12.fe3 Ng4 13.Qc1; B3) 8...Qb6 9.Qc1 (9.Bc1 0–0 10.0–0 Qa6 11.Nc3 d4 12.Ne4 Ne4 13.de4) 9...Qa6 10.a4 d4 11.Na3 0–0 12.Nc4 Bc7 13.0–0; C) 8.Nc3 C1) 8...ab5 9.d4 (9.0–0 Qb6 10.a4 b4 11.Nb5 0–0 12.h3 h6 13.Nh4) 9...cd4 10.ed4 e4 11.Nb5 Bf4 12.Nd2 0–0 13.0–0; C2) 8...0–0 9.ba6 (9.0–0 d4 10.Ne4 Ne4 11.de4 ab5 12.Bb5 Nf6 13.Qd3) 9...Ra6 10.a4 d4 11.Nb5 e4 12.de4 Ne4 13.ed4; C3) 8...d4 9.Ne4 Ne4 10.de4 ab5 11.0–0 b4 12.a3 ba3 13.Ra3; D) 8.0–0 D1) 8...Qb6 9.a4 (9.c4 ab5 10.cd5 Nd5 11.Qb3 Qc6 12.a3 N7b6 13.Be5) 9...ab5 10.ab5 Ra1 11.Ba1 0–0 12.Nbd2 Qc7 13.e4; D2) 8...0–0 9.Na3 (9.Nc3 d4 10.Ne4 Ne4 11.de4 ab5 12.Bb5 Nf6 13.Qd3) 9...Qc7 10.ba6 ba6 11.Rb1 Rb8 12.h3 c4 13.dc4; D3) 8...ab5 9.Nc3 (9.c4 bc4 10.dc4 Qb6 11.Qc2 d4 12.Nbd2 0–0 13.Ng5) 9...Qb6 10.a4 b4 11.Nb5 0–0 12.c3 e4 13.de4.

7.d3 Qb6 A) 8.Nc3 A1) 8...0–0 9.Nd2 (9.0–0 d4 10.Ne4 Ne4 11.de4 Nf6 12.Qd3 Be6 13.ed4) 9...Qc7 10.0–0 a5 11.ba6 ba6 12.Rb1 Rb8 13.Bf3; A2) 8...a6 9.a4 (9.0–0 ab5 10.d4 cd4 11.Nb5 de3 12.Nd6 Qd6 13.fe3) 9...d4 10.a5 Qd8 11.Ne4 Ne4 12.de4 Nf6 13.ed4; A3) 8...d4 9.Ne4 Ne4 10.de4 Nf6 11.Qd3 0–0 12.ed4 cd4 13.0–0; B) 8.0–0 B1) 8...a6 9.a4 (9.Nh4 ab5 10.Nf5 0–0 11.Nc3 b4 12.Nb1 Nb8 13.Nd6) 9...ab5 10.ab5 Ra1 11.Ba1 0–0 12.Nbd2 Qc7 13.e4; B2) 8...0–0 9.a4 (9.Nc3 d4 10.Ne4 Ne4 11.de4 Nf6 12.ed4 cd4 13.Qd3) 9...Qc7 10.Nbd2 b6 11.a5 ba5 12.Bc3 Nb6 13.Ba5; B3) 8...Qb5 9.Qc1 (9.Bc3 Qc6 10.Nbd2 0–0 11.Nb3 e4 12.Nfd2 Be5 13.d4) 9...0–0 10.Nc3 Qc6 11.a4 a6 12.Nd2 Rd8 13.a5; C) 8.Na3 C1) 8...0–0 9.0–0 (9.Qd2 a6 10.c4 e4 11.de4 de4 12.Nh4 Ne5 13.Rd1) 9...Qc7 10.h3 Re8 11.Re1 Nb6 12.c4 d4 13.Qb3; C2) 8...Qc7 9.0–0 (9.c4 e4 10.de4 de4 11.b6 Qb6 12.Nb5 Bb8 13.Nh4) 9...0–0 10.h3 Re8 11.Re1 Nb6 12.c4 d4 13.Qb3; C3) 8...a6 9.c4 (9.0–0 ab5 10.c4 bc4 11.Rb1 cd3 12.Bd3 Qc6 13.Bb5) 9...e4 10.Nh4 0–0 11.0–0 Qc7 12.cd5 Bh2 13.Kh1 Be5; D) 8.a4 D1) 8...Qc7 9.Nbd2 (9.Nfd2 d4 10.Nc4 Nb6 11.Nd6 Qd6 12.c4 Be6 13.a5) 9...0–0 10.0–0 b6 11.a5 ba5 12.Bc3 Nb6 13.Ba5; D2) 8...e4 9.de4 de4 10.Nfd2 Ne5 11.Nc3 Bf5 12.a5 Qc7 13.Ra4; D3) 8...0–0 9.Nbd2 (9.0–0 e4 10.de4 de4 11.Ng5 Be5 12.Nc3 h6 13.Nh3) 9...Qc7 10.0–0 b6 11.a5 ba5 12.Bc3 Nb6 13.Ba5.

7.d3 Qc7 A) 8.Nbd2 A1) 8...Qa5 9.a4 (9.0–0 Qb5 10.Be5 Ne5 11.Ne5 Be5 12.d4 Bh2 13.Kh2) 9...e4 10.de4 de4 11.Nh4 Ne5 12.0–0 Qc7 13.a5; A2) 8...0–0 9.c4 (9.a4 Rd8 10.c3 h6 11.Qc2 Re8 12.e4 c4 13.dc4) 9...Nb6 10.cd5 Nbd5 11.Nc4 Re8 12.0–0 Bd7 13.Qb3; A3) 8...a6 9.ba6 (9.a4 0–0 10.h3 h6 11.0–0 e4 12.Nh4 Ne5 13.d4) 9...Ra6 10.c4 Nb6 11.cd5 Na4 12.Be5 Be5 13.Ne5; B) 8.Nfd2 B1) 8...Nb6 9.Nc3 (9.c4 d4 10.0–0 0–0 11.Ne4 Ne4 12.de4 a6 13.Na3) 9...0–0 10.0–0 Be6 11.g3 Be7 12.a4 d4 13.a5; B2) 8...0–0 9.Nc3 (9.c4 d4 10.0–0 h6 11.Na3 Nb6 12.h3 Bf5 13.Qb3) 9...Nb6 10.0–0 Be6 11.h3 e4 12.de4 d4 13.ed4; B3) 8...a6 9.ba6 (9.Na3 0–0 10.c4 Nb6 11.ba6 ba6 12.cd5 Rb8 13.Nac4) 9...Qb6 10.ab7 Bb7 11.Qc1 0–0 12.0–0 Rfb8 13.Nc3; C) 8.Nh4 C1) 8...Nb6 9.a4 (9.c4 0–0 10.Nd2 a6 11.a4 dc4 12.dc4 ab5 13.ab5) 9...d4 10.0–0 0–0 11.Nd2 a6 12.a5 Nbd5 13.b6; C2) 8...g6 9.0–0 (9.Nd2 0–0 10.0–0 a6 11.a4 b6 12.Bf3 ab5 13.ab5) 9...0–0 10.h3 a6 11.Na3 Nb6 12.c4 Bd7 13.Qc2; C3) 8...0–0 9.a4 (9.Nd2 Nb6 10.a4 d4 11.0–0 Be6 12.a5 Nbd5 13.Nc4) 9...e4 10.de4 Ne4 11.Nf5 Be5 12.Ne7 Kh8 13.Nd5; D) 8.Nc3 D1) 8...0–0 9.0–0 (9.Nd2 Nb6 10.0–0 Be6 11.h3 e4 12.de4 d4 13.ed4) 9...d4 10.Ne4 Ne4 11.de4 Nf6 12.Qd3 a6 13.a4; D2) 8...Nb6 9.a4 (9.0–0 0–0 10.Nd2 e4 11.g3 Bh3 12.Re1 Be5 13.a4) 9...d4 10.Ne4 Ne4 11.de4 Be6 12.Ng5 Nc4 13.Bc3; D3) 8...d4 9.Ne4 Ne4 10.de4 Nf6 11.Qd3 0–0 12.0–0 a6 13.a4.

7.d3 Qe7 8.c4 d4 9.a4 de3 10.fe3 Ng4 11.Qd2 (11.Qc1 e4 12.de4 Qe4+=) 11...e4 12.de4 Bh2 13.Nc3 Bg3 14.Kf1 Ndf6 Attacks the isolani on e4 15.Rh3 (15.Nd5 Nd5 16.ed5 Ne3 17.Kg1 f6+=) 15...Be5–/+ 16.Bd3 (16.Ne5 Ne5 17.Rh2 Be6–/+) 16...Bc3 17.Qc3 Ne3 18.Kf2 Neg4 (18...Ng2 19.Kg2 Bh3 20.Kh3–/+) 19.Kg1+= Be6 (19...Ne4? 20.Qg7 Rf8 21.Be4+–) 20.Ng5 0–0–0 21.Rf1 h6 22.Ne6 fe6 (worse is 22...Qe6 23.e5 Rd3 24.Rd3+=) 23.Be2 h5 (worse is 23...Ne4 24.Qg7 Qg7 25.Bg7+/–) 24.Bg4 hg4 (24...Ng4?! 25.Qg7 Qg7 26.Bg7=) 25.Rh8 Rh8 26.Qe5 Rh5 27.Qg3 Ne4 28.Qg4 Rh4 29.Qg6 Nf6 (29...Nd6!?+=) ½–½. Caesar – Truckle, playchess.de, 2002.

7.d3 Qa5–/+

8.Bc3 Qa4 9.Nbd2 (9.0–0 0–0 10.Nbd2 b6 11.Qb1 a6 12.ba6 Ba6 13.Qb3) 9...0–0 10.0–0 b6 11.Qb1 a6 12.ba6 Ba6 13.Qb3.

8.Bc3 Qb5? 9.d4 Qa4 10.de5 +–.

8.Bc3 Qc7 9.Nbd2 (9.h3 0–0 10.0–0 e4 11.de4 de4 12.Nfd2 Ne5 13.Nc4) 9...Nb6 10.a4 d4 11.Ba5 0–0 12.0–0 Qe7 13.Ng5.

8.Qd2 Qb5 (8...Qc7 9.Nh4 (9.Nc3 d4 10.Ne4 Ne4 11.de4 Nf6 12.Qd3 0–0 13.0–0) 9...0–0 10.Nf5 Nb6 11.Nd6 Qd6 12.0–0 Re8 13.Qa5; 8...Qb4 9.c4 (9.Qb4 cb4 10.a3 e4 11.de4 de4 12.Nd4 Ne5 13.Nd2) 9...dc4 10.dc4 Ne4 11.Qb4 cb4 12.Nbd2 Nc3 13.a3) 9.c4 Qc6 10.0–0 (10.Nc3 0–0 11.0–0 Nb6 12.Nb5 Re8 13.h3) 10...d4 (10...dc4 11.dc4 e4 12.Nh4 Be5 13.Nc3) 11.Nh4 (11.Na3 e4 12.Ng5 ed3 13.Bd3) 11...0–0 (11...Nb6 12.ed4 cd4 13.f4) 12.Nf5 (12.Na3 e4 13.Nb5) 12...Re8 (12...Nb6 13.Nd6) 13.Na3 (13.Bf3 e4 14.Be4 Ne4 15.de4 Ne5 (15...Re4?! 16.ed4 cd4 17.Bd4=) 16.ed4 Nc4–+) 13...Bf8 (13...Bc7 14.Nb5–/+) 14.Ng3 Nb6 15.Bf3 Qd7 16.Rab1 Na4 17.Ba1 g6 (17...Be7 18.Nb5–/+) 18.Qa5+= Re6 19.Nb5 Ra6 (19...Nb6 20.Rfe1+=) 20.Qc7= Bd6 21.Qd7 Nd7 22.Nd6 Rd6 23.Bb7 Bb7 24.Rb7 f5 25.f4 ef4 26.ef4 Nf6 (26...a6 27.Re1=) 27.Rb5 (27.Re1 Rb6 28.Rbe7 Kf8+=) 27...Ra6+= 28.Re1 Nc3 29.Rc5 Ra2 30.Bc3 (30.Rce5 Nd7 31.Re7 Nc5 32.Bc3 dc3–/+) 30...dc3+= 31.Ne2 Rc2 32.Kf1 (32.Ra5 Re8 33.Re5 Rd8+=) 32...a5–/+ 33.Rc1 Rc1 34.Nc1 Rb8 35.Rb5 Rb5 36.cb5 Nd5 37.Ne2 c2 38.Ke1 Nc3 39.Nc1 Nb5 40.Kd2 a4 41.Kc2 Kf7 42.Ne2 Ke6 43.Kb2 Kd5 44.g3 a3 45.Ka2 Kc5 46.Ng1 Kb4 47.Nf3 Nc3 48.Ka1 Nb5 49.Ka2 Nc3 50.Ka1 Kb3 51.Nd4 Ka4 52.Nf3 Nd5 53.Nd2 Nb4–+ 54.d4 Nc2 55.Ka2 Nd4 56.Nc4 Nb5 57.Nd2 Nc3–+ 58.Ka1 Kb4 59.Nf3 Ne2 60.Ka2 Nc1 61.Ka1 Kc3 62.Ng5 a2 63.Ne6 h5 0–1. Heinrich,Olaf (2290) – Elschner,Gerald (2205), RSX7E – A00 – Sokolsky–1, 2008.

8.Nbd2 A) 8...0–0 9.0–0 (9.c3 Qb5 10.Qc2 Qc6 11.0–0 Nb6 12.c4 Re8 13.cd5) 9...Qb5 10.Qc1 Re8 11.c4 Qc6 12.cd5 Nd5 13.Qc2; B) 8...Qb5 9.Qc1 (9.Qb1 Qc6 10.c4 0–0 11.0–0 Re8 12.Qc2 Nb6 13.cd5) 9...Qc6 10.0–0 0–0 11.c4 Re8 12.Qc2 Nb6 13.cd5; C) 8...a6 9.a4 (9.ba6 0–0 10.ab7 Bb7 11.0–0 Rfb8 12.a3 Qc7 13.g3) 9...Qb4 10.Qc1 ab5 11.ab5 Ra1 12.Qa1 0–0 13.Bc3; D) 8...d4–/+ 9.0–0 (9.ed4 cd4 10.0–0 Qb5 11.Nc4 0–0 12.c3 dc3 13.Bc3) 9...Nb6 10.a4 0–0 11.Nb3 Qb4 12.ed4 ed4 13.Ba3.

7.Nh4 Nb6–/+

8.a4 0–0 9.0–0 e4 10.a5 Nc4 11.Bc4 dc4 12.f4 a6 13.Na3 A) 13...ab5 A1) 14.Nb5 Be7 (14...Ra6 15.f5 Be7 16.Qe2 Ra5 17.Na7 Bd7 18.Qc4 Qb6) 15.f5 Ra5 16.Ra5 Qa5 17.Nc3 Qb6 18.Ba3 Bd7; A2) 14.Bf6 Qf6 15.Nb5 Be7 16.g3 Qc6 17.Qb1 Bh4 18.gh4 Qg6; B) 13...Ng4 B1) 14.h3 c3 (14...Qh4 15.Nc4 Rd8 16.Nb6 Qg3 17.hg4 Bg4 18.Qe1 Qe1) 15.Bc3 Qh4 16.hg4 Bg4 17.Qe1 Qe7 18.Rb1 f6; B2) 14.g3 ab5 (14...Be7 15.f5 h5 16.h3 Bh4 17.gh4 Qh4 18.hg4 Qg3) 15.Nb5 Be7 16.f5 h5 17.h3 Nf6 18.Na3 Ra5; B3) 14.Nc4 Qh4 15.h3 Rd8 16.Nb6 Qg3 17.hg4 Bg4 18.Qe1 Qe1; C) 13...Be7 C1) 14.b6 Bg4 (14...Nd5 15.g3 Bh4 16.gh4 Bh3 17.Nc4 Qh4 18.Rf2 Rfe8) 15.Qe1 Ne8 16.g3 Qd5 17.Nb1 Rd8 18.Ra2 Bh4; C2) 14.Qe2 Bg4 (14...ab5 15.Nb5 Bg4 16.Qc4 Qd2 17.Qc3 Qd7 18.Na3 Nh5) 15.Qe1 Nh5 16.g3 ab5 17.Nb5 Ra5 18.Nc3 Ra1; C3) 14.ba6 Ra6 15.g3 Bg4 16.Qe1 Qd5 17.Nb5 Qd7 18.Na3 Qa4.

8.a4 0–0 9.0–0 e4 10.a5 Nc4 11.Bc4 dc4 12.f4 a6 13.ba6 A) 13...ba6 A1) 14.Qe1 Be7 (14...Ng4 15.h3 Nf6 16.Na3 Nd5 17.f5 Qg5 18.g4 Be7) 15.Nc3 Rb8 16.Rb1 Ng4 17.g3 f5 18.h3 Nh6; A2) 14.f5 Rb8 (14...g5 15.fg6 fg6 16.Qe2 Be6 17.g3 Be7 18.Bf6 Bf6) 15.Ra2 g5 16.fg6 fg6 17.Nc3 Bh2 18.Kh2 Ng4; A3) 14.Na3 Be7 (14...Be6 15.Qe2 Rb8 16.f5 Rb2 17.fe6 fe6 18.Qc4 Re8) 15.f5 Ne8 16.f6 Bf6 17.Bf6 Nf6 18.Nc4 Be6; B) 13...Ra6 14.Qe2 (14.f5 Qc7 15.Bf6 Bh2 16.Kh1 Rf6 17.Nc3 Rh6 18.Qg4 Bg3; 14.Na3 Be7 15.g3 Bg4 16.Qe1 Qd5 17.Nb5 Qd7 18.Na3 Qa4) 14...Be7 (14...b5 15.ab6 Rb6 16.Bc3 Bg4 17.Qc4 Be6 18.Qa4 Qe7) 15.Nc3 Bg4 16.Qe1 Nh5 17.g3 Bh4 18.gh4 Bf3.

8.a4 0–0 9.0–0 e4 10.a5 Nc4 11.Bc4 dc4 12.f4 a6 13.b6 Be7 (13...Ng4 A) 14.g3 Be7 (14...Bd7 15.Na3 Be7 16.f5 h5 17.h3 Bh4 18.gh4 Qh4) 15.Qe1 Qd6 16.Nc3 f5 17.h3 Nf6 18.Qe2 Be6; B) 14.Qe1 Be7 (14...Be6 15.h3 Be7 16.hg4 Bh4 17.g3 Be7 18.f5 Bd5) 15.g3 Be6 16.f5 Bd5 17.Nc3 h5 18.Qe2 Bf6; 13...h5 A) 14.Nc3 Be7 (14...Bg4 15.Qe1 Be7 16.h3 Bd7 17.Kh2 Re8 18.Rg1 Be6) 15.f5 Ng4 16.h3 Nh6 17.Ne4 Bh4 18.Qh5 Nf5; B) 14.Qe1 Be7 (14...Bd7 15.Be5 Be7 16.Bc7 Qc8 17.Nc3 Bc6 18.h3 Ne8) 15.Nc3 Re8 16.f5 Nd5 17.g3 Nb4 18.Rc1 Bd7; C) 14.Qe2 Ng4 (14...Bg4 15.Qc4 Be6 16.Qe2 Bg4 17.Qc4 Be6 18.Qe2 Bg4) 15.g3 Be7 16.Nc3 Bh4 17.gh4 Qh4 18.Ne4 Bf5; 13...Bd7 A) 14.Nc3 Be7 (14...Ng4 15.Ne4 Qh4 16.h3 Be7 17.hg4 Bg4 18.Qe1 Qe1) 15.Qe2 Bg4 16.Qf2 h5 17.h3 Bd7 18.Kh2 Re8; B) 14.Qe2 Be7 (14...Ng4 15.g3 Be7 16.f5 h5 17.Ng2 Bd6 18.Na3 Be5) 15.Nc3 Bg4 16.Qf2 h5 17.h3 Bd7 18.Kh2 Re8; C) 14.Na3 c3 (14...Be6 15.f5 Bd5 16.Qe2 Be7 17.Rad1 Nd7 18.f6 Bf6) 15.Bc3 Be7 16.f5 g5 17.fg6 hg6 18.Be5 Be6) 14.f5 (14.Nc3 Ng4 (14...Bg4 15.Qe1 Nh5 16.g3 Bh4 17.gh4 Bf3 18.Ne2 Rc8) 15.f5 Nh6 16.g3 Bh4 17.gh4 Bf5 18.Qe2 Qh4; 14.Na3 Bg4 (14...Nd5 15.g3 Bh4 16.gh4 Bh3 17.Rf2 c3 18.Bc3 Qh4) 15.Qe1 Ne8 16.g3 Qd5 17.f5 Bh4 18.gh4 f6) 14...Ne8 (14...Nd5 15.Qg4 c3 16.Nc3 h5 17.Qh5 Nc3 18.Ng6 fg6) 15.g3 Bh4 16.gh4 Qh4 17.Qe2 Nd6 18.f6 g6 (18...g5–/+) 19.Rf4 Qg5 20.Qg2 Qg2 21.Kg2 g5 22.Rf2 Be6 (22...Bg4 23.Nc3+=) 23.Ba3 Rac8 24.Nc3 Nb5 (24...Rc6 25.Rg1+=) 25.Na4= h5 26.Bc5 Rfd8 27.Bb4 Rd5 28.Rg1 h4 29.h3 Kh7 30.Kh2 Kg6 31.Nc3 Nc3 32.Bc3 Rf5 33.Rf4 Kh5 34.Rf5 Bf5 35.Bd4 (35.Rf1 Bd7+=) 35...g4 36.hg4 Bg4 37.Rf1 Rg8 38.Rf4 Bf3 39.Rf5 Rg5 40.Rg5 Kg5 41.Kh3 Bg4 42.Kh2 Bd1 43.c3 Kg4 44.Bc5 Kf5 45.Bd4 Bg4 46.Bc5 Kf6 47.Bd4 Ke6 48.Kg2 f5 49.Bg7 Kd6–+ 50.Bf6 h3 51.Kg1 Kc5 52.Be7 Kb5 53.Bb4 Ka4 54.Kf2 Kb3 55.Bd6 Kb2 56.Ke1 Kc2 57.Be5 Kb3 58.Kf2 Ka4 59.Kg3 Ka5 60.Bd6 Kb6 61.Be7 Kb5 62.Kh2 Ka4 63.Kg1 Kb3 64.Bd8 Kc2 65.Bc7 Kd2 66.Kf2 Kc3 (66...Kc3 67.Kg3 Kb3–+) 0–1. Teske,Heike (2170) – Denzin,Michael (2300), RSX15E3 – A00 – SokolskyT–1, 2007.

8.a4 0–0 9.0–0 e4 10.a5 Nc4 11.Bc4 dc4 12.f4 a6 13.Nc3 A) 13...Bg4 A1) 14.Qc1 ab5 (14...Be7 15.b6 Ne8 16.g3 Bh4 17.gh4 Nd6 18.Na4 Rc8) 15.Nb5 Be7 16.a6 ba6 17.Nc3 Ne8 18.g3 Nd6; A2) 14.Qe1 ab5 (14...Be7 15.b6 Nh5 16.g3 Bh4 17.gh4 Bf3 18.Ne2 Rc8) 15.Qg3 Qd7 16.h3 b4 17.Na4 c3 18.dc3 Be2; B) 13...Be7 B1) 14.b6 Ng4 (14...Bg4 15.Qe1 Nh5 16.g3 Bh4 17.gh4 Bf3 18.Ne2 Rc8) 15.f5 Nh6 16.g3 Bh4 17.gh4 Bf5 18.Qh5 Bh3; B2) 14.ba6 Ra6 (14...ba6 15.f5 Rb8 16.Rb1 g5 17.fg6 hg6 18.Qe2 Be6) 15.f5 Ra5 16.Qe2 Ra1 17.Ba1 h5 18.g3 b6; C) 13...Bd7 C1) 14.ba6 Ra6 (14...ba6 15.Qe2 Rb8 16.Ba3 Qa5 17.Qc4 Rfd8 18.h3 Rb6) 15.Qe2 Ra5 16.Ra5 Qa5 17.Qc4 b5 18.Qe2 Qb4; C2) 14.b6 Be7 (14...Bg4 15.Qe1 Be7 16.f5 Nh5 17.g3 Bh4 18.gh4 Bf3) 15.Qe2 Bg4 16.Qf2 Nd7 17.g3 Bh4 18.gh4 Bf3; D) 13...ab5 D1) 14.a6 Ra6 (14...Qd7 15.a7 b6 16.Qe2 b4 17.Nd1 Be7 18.Qc4 Ra7) 15.Nb5 Be7 16.Ra6 ba6 17.Na3 Bg4 18.Qe1 Nh5; D2) 14.Nb5 Be7 15.a6 Ra6 16.Ra6 ba6 17.Nc3 Ng4 18.f5 Nh6.

8.a4 0–0 9.0–0 e4 10.a5 Nc4 11.Bc4 dc4 12.f4 Be7 13.f5 g5 14.fg6 fg6 15.Nc3 Be6 16.a6 b6 17.Qe1 Rf7 (17...Qd7 18.h3–+) 18.Qg3 (18.g3 Qd7–/+) 18...Bd6 (18...Qd2 19.Ng6 Bd6 20.Nf4 Ng4 21.Ne4 Bf4 22.ef4 (22.Nd2?! Bg3 23.hg3 Rd8 24.Rf7 Bf7+=; 22.Rf4?! Qe3 23.Qe3 Ne3 24.Nf6 Rf6 25.Rf6 Bf5+–) 22...Qc2 23.Nf6 Kg7 24.Ra2+– (24.Ng4?! Qb2 25.Ne5 Kh8 26.Nf7 Bf7+–)) 19.Qe1 Qe7 20.g3 Raf8 21.Ng2 Be5 22.Qe2 g5 23.Rab1 Bc3 24.Bc3 Nd5 25.Bb2 (25.Rf7 Qf7 26.Be5–+ (26.Qc4?? Nc3 27.Rf1 Bc4 28.Rf7 Ne2 29.Kh1 Rf7–+)) 25...Rf3–+ 26.Rfc1?? (26.Bc3–+) 26...Qf7 27.Rf1 (27.g4 Rf2 28.Qd1 h5–+) 27...c3! 28.Bc3 (28.Bc3 Nc3 Combination; 28.dc3 Bh3 Decoy) 28...Nc3 29.dc3 Bc4 30.Rf3 ef3 (30...Be2 31.Rf7 Kf7 32.h3–/+) 31.Qf2 fg2 32.Qf7 Rf7 33.Kg2 Bd5 34.Kg1 Rf3 35.Re1 Bc4 36.e4 Bb5 37.Rd1 Ba6 38.Rd8 (38.Rd7 Rf7 39.Rd5 h6–+) 38...Kg7 39.Ra8 Rf7 40.h3 (40.h4 g4–+) 40...Bb7 41.Ra7 Be4 42.Rf7 (42.Ra4 Bc2 43.Ra2 Bg6–+) 42...Kf7 43.Kf2 Bc2 44.Ke3 (44.Kf3 Bf5 45.g4 Kf6–+) 44...Bf5 45.h4 gh4 46.gh4 Ke6 47.c4 (47.Kf3 Kd5 48.Ke3 Kc4–+) 47...Ke5 48.h5 h6 49.Kf3 Kd4 (49...Kd4 50.Kf4 Be4–+) 0–1. Teske,Heike (2170) – Wiese,Uwe (2330), RSX15E3 – A00 – SokolskyT–1, 2007.

5.g3 Ngf6–/+

6.Bg2 0–0 7.0–0 Re8 (7...a6 8.a4 c5 9.Na3 Qa5 10.ba6 Qa6+=) 8.d3 Qe7 (8...a6 9.ba6 Ra6 (9...ba6 10.c4+= Rb8+=) 10.c4 dc4+=) 9.a4 (9.c4 c6 10.bc6 bc6+=) 9...e4 (9...a6 10.c4 ab5+=) 10.Nd4 (10.de4 de4+=) 10...Ne5 (10...Be5+=) 11.Nd2 (11.Nc3 ed3 12.cd3 c5 13.bc6 bc6=) 11...e3 12.fe3 (12.f4 Neg4 13.N2f3 Nf2+=) 12...Neg4–/+ 13.e4 Ne3 14.Qc1 Nf1 15.Qf1 Ng4 16.Nf5 (16.Qf3 Qg5 17.Rf1 Re7–+) 16...Bf5 17.Qf5 Ne3 18.Qf2 Ng2 (18...Nc2 19.Rc1 Nb4 20.Qd4–/+) 19.Kg2 f6 (19...Bc5 20.e3–/+) 20.Rf1 (20.ed5 Qe2 21.Nf3 Bc5–/+) 20...a6 21.b6 (21.Qf5 Qf7–/+) 21...Bb4 (worse is 21...de4 22.Ne4 Qd7 23.Qd4+=) 22.c3 Bc5 23.Qf5 Rad8 (23...de4 24.Ne4 Bb6 25.c4–/+) 24.bc7–/+ Qc7 25.d4 (25.Qf3 Qd7–/+) 25...de4–+ 26.Ne4 Qc6 27.Rf4 (27.Qc5 Qe4 28.Kg1 Qe2 29.Qb6–+) 27...Rd5 28.Qh3 (28.Qg4 f5! 29.Nf6 Qf6–+) 28...Re4! 29.Re4 Decoy to e4 29...Re5!! (29...Re5 30.Kg1 Qe4–+) 0–1. Needleman,Gaston (2410) – Lemos,Damian (2290), Ch South America (juniors), 2006.

6.Bg2 a6 7.a4 0–0 8.0–0 ab5 9.ab5 Ra1 10.Ba1 Re8 +=.

6.Bg2 a6 7.ba6 Ra6 8.0–0 –/+.

6.Bg2 Qe7 7.0–0 a6 8.ba6 Ra6 9.Nc3 c6 10.Bh3 Nb6 –/+.

6.Bg2 e4

7.Nd4=+ 0–0

8.0–0 a6 9.ba6 Ra6 10.f3 =+.

8.0–0 Ne5

9.d3 c5

10.Nb3 c4 11.dc4 dc4 12.Nd4 Bc5 13.Qd2 a6. Malmstroem.

10.Nb3 ed3 11.cd3 Re8 12.Qc2. Malmstroem.

10.Nb3 Re8 11.de4 Ne4 12.Qd5 Nf6 13.Qd1 Nc4 14.Bf6 Qf6. Malmstroem.

10.Nb3 Qe7!? =+.

10.Nb3 Bg4 11.de4 de4 12.h3 c4 13.N3d2 Qb6 14.hg4 Qb5. Malmstroem.

10.Nb3 Neg4 11.de4 de4 12.h3 c4 13.N3d2 e3 14.hg4 Ng4 15.Ne4 ef2 16.Kh1 Bc7 17.Qd4 Qd4 18.Bd4. Malmstroem.

10.bc6 bc6 11.de4 Rb8 12.Bc1 Ne4=. Malmstroem.

10.Nb3 Nfg4

11.de4 Nc4 12.Bc1 de4 13.h3 Nge5 14.Nc3 f5 15.Qd5 Kh8 16.Nc5 Qc7 17.N3a4 f4. Malmstroem.

11.de4 Nc4 12.Bc1 de4 13.h3 Nge5 14.Nc3 f5 15.Qd5 Kh8 16.Nc5 Qe7 17.Nb3 Be6 18.Bg5 Qg5 19.Qe6 Rad8 20.h4 Qg4 21.Rad1 Rde8 22.Qd5 Bb8 23.Qb7 e3 24.Kh2 f4 25.Bh3 Qg6. Malmstroem.

11.h3 c4 12.N3d2 ed3 13.cd3 cd3 14.hg4 Bg4 15.Qb3 Be2 16.Re1 Ng4 17.Qd5. Malmstroem.

11.h3 c4 12.hg4 cb3 13.ab3 ed3 14.cd3 Ng4 =+.

11.h3 Nh6. Malmstroem.

11.h3 Nf6

12.N1d2 c4 13.dc4= dc4 14.Nc5 e3 15.Nde4 ef2 16.Kf2 Bc5 17.Nc5 Qc7 =.

12.N1d2 c4 13.dc4 dc4 14.Nd4 Qc7= 15.Bc3 Re8. Malmstroem.

12.N1d2 c4 13.dc4 dc4 14.Nd4 e3!? 15.Nb1 ef2 16.Rf2 Ng6 17.g4 Bf4 18.Rf3 Re8=+. Malmstroem.

12.N1d2 c4 13.dc4 dc4 14.Nd4 e3!? 15.fe3 Qc7 16.Bc3 Ned7 17.g4 Re8 18.e4 Bf4 19.a4 Be3 20.Kh1 Ne5 21.Qe1 Bg4 22.hg4 Neg4 23.Qh4 Rad8 24.N4f3 Ne4 25.Ne4 Re4 26.Qe1 Rd6 27.Bh3 Rh6 28.Kg2 Bg5–+. Malmstroem.

12.N1d2 c4 13.dc4 dc4 14.Nd4 e3!? 15.fe3 Qc7 16.Bc3 Rd8 17.a4 Ng6=. Malmstroem.

12.N1d2 c4 13.dc4 dc4 14.Nd4 e3!? 15.fe3 Qc7 16.Bc3 Rd8 17.Nf5 Bf5 18.Rf5 Re8 (18...Ng6 19.Bf6; 18...Ned7 19.g4 Bh2 20.Kh1 Be5 21.Bd4 Re8+=) 19.Ne4 Ne4 20.Be4 Ng6= (20...Rad8 21.Bd5+=; 20...Ng4 21.Rg5 Be5 22.Be5 Ne5 23.Qd4+=) 21.Bd5 (21.Bb7 Rad8 22.Bd5 Re3) 21...Re3 (21...Re7=) 22.Qd4! (22.Bf7 Kh8 23.Be1 Bg3 24.Bg6 Qb6–+; 22.Rf7 Rg3 23.Kf1 Rf8 24.Rf8 Kf8 25.Be1 Rh3 26.Bb7 Re3 27.Bf2 Re7=+; 22.Be1) 22...Rg3 (22...Rc3 23.Qc3 Be5 24.Re5 Ne5 25.Bb7 Qb7 26.Qe5 Qd7+=) 23.Kf2 Rc3!? (23...Nh8 24.e3 Re8 (24...Qb6 25.Rg1 Qd4 26.Bd4=) 25.Rg1; 23...Ne5!?; 23...Be5) 24.Rf7 Bg3 25.Kg1 (25.Kf1) 25...Qe5 26.Re7 Kh8 27.Re5 Be5 28.Qd1 Rg3 29.Kf2 Rf8 (29...Nh4) 30.Bf3 Nh4 31.Rb1 Rg2 32.Kf1 Bh2 (32...Bg3) 33.Qd4 Rg1 (33...Nf3 34.ef3 Rg1 35.Qg1 Bg1 36.Kg1 Rf3 37.Rf1–+) 34.Qg1 Bg1 35.Kg1 Nf3 36.ef3 Rf3 37.b6 a6 38.Rd1 h5 39.Rd7=+ Rc3 40.Rb7 Rc2 41.Rc7 Rb2 42.b7 Kh7 ½–½ (adjud.). Fernandez – Malmstroem, corr 3GMM–41 1994–97 (Malmstroem).

12.N1d2 c4 13.dc4 dc4 14.Nd4 e3!? 15.f4 ed2 16.fe5 Be5 17.Qd2 Bg3–+. Malmstroem.

12.N1d2 c4 13.dc4 Nc4 14.Nc4 dc4 15.Nd4 e3 16.f4=. Malmstroem.

12.N1d2 Qc7 13.de4 c4 14.Nd4 c3 15.b6 ab6 16.Nb5 cb2 17.Nc7 ba1Q 18.Qa1 Bc7+=. Malmstroem.

12.N1d2 ed3 13.cd3 Re8 14.f4+=. Malmstroem.

12.N1d2 Qe7 13.de4 de4 14.g4 =.

12.de4 c4 13.N3d2 Qb6 +=.

12.de4 Nc4 13.Bf6 Qf6 14.Qd5 Nb6 15.Qd2 Rd8. Malmstroem.

4.Nf3 Qe7

5.a4 Nf6 6.d3 e4 7.Nd4 e3–+ 8.f3?? Ne4! 9.Ba3 Qh4 10.g3 Bg3 (11.hg3 Qg3#) 0–1. tschulz – Robur, MySchachOpen, 2005.

5.Nc3 Be6 6.e4 d4 7.Nd5 Qd8 8.c3 c6 9.cd4? (better is 9.bc6!? bc6 10.Nb4=) 9...cd5–/+ 10.ed5 Bd5 11.de5 Qe7 12.d4 (12.Be2 Ba3 13.Ba3 Qa3–/+) 12...Bf3 (better is 12...Bb4!? 13.Nd2 Nd7–+) 13.Qf3+= Bb4 14.Bc3 Nf6 15.Bc4 Bc3 16.Qc3 Ne4 17.Qb2 Nd6 18.Bd5 0–0 19.0–0 Nf5 20.Rac1 (20.Be4 Nh4=) 20...Qd7 (20...Rd8!? 21.Rc5 b6 22.Ba8 bc5 23.dc5 Qc5–/+) 21.Rc5 Ne7 22.Be4 Rd8 (22...a6!?=) 23.Qc2 Rc8?? (23...Qd4 24.Rc7 Nd5+/–) 24.Rc8+– (24.Bh7?! Kf8 25.Rc8 Qc8 26.Qc8 Nc8+–) 24...Nc8 25.Bh7 (25.Bh7 Kh8 26.Bf5+–) 1–0. Yannick – Jerrylaine, playchess.de, 2006.

5.c4 c6 6.bc6 bc6 7.cd5 cd5 8.Nc3 Nf6 9.Nb5 Nbd7 10.Qc1 Ba6?? 11.Qc6+– Bb5 12.Qa8 Qd8 13.Qd8 Kd8+/– 14.a3 Ke7 15.d4 e4 16.Nh4 g6+= 17.Bc1 Rc8 18.Rb1 a6 19.h3 Rc3 20.g3 Rb3?? 21.Rb3+– Ne8 22.Ng2 f5 23.Bg5 Kf7 24.e3 Kg7 25.Bb5 ab5 26.Rb5 h6 27.Bd8 Ndf6 28.Rb7 Kg8 29.a4 g5 30.Bf6 Nf6 31.a5 f4 32.a6 fg3 33.a7 gf2 34.Kf2 g4 35.a8Q Bf8 36.Qd8 g3 37.Kg1 (37...Nd7 38.Qd7 Be7 39.Qe7 h5 40.Qd8#; 37.Ke2 h5 38.Qf6 Be7 39.Qe7 h4 40.Qd8#) 1–0. b4_player – opponent, internet, 2008.

5.c4 Bg4 6.cd5= Bf3 7.ef3 Nf6= 8.Nc3 Nbd7 9.a4 0–0 10.Bd3 Nb6 11.Qb3 Nbd7 12.Qc2 Nc5 13.Bf5 g6 14.Bh3 e4 15.fe4+= Nce4 16.Ne4 Ne4 17.0–0 Ng5 18.Bg4+= Rae8 19.f4+/– Ne4 20.d3 Nf6 21.Qc3 Kg7 22.Rac1 Be5?? 23.Qe5 (23...Qe5 24.Be5 (< 24.fe5 Nd5 25.e6 f6+–) 24...Re5 25.fe5 Ng4 26.Rc7 Ne5 27.Rb7+–) 1–0. Subedei – Dircula, ChessWorld.net, 2005.

5.e3 b6 6.c4= dc4 7.Bc4 Bb7 8.0–0 Nd7 9.Nc3 Nh6 (9...a6!?+=) 10.Nd5+/– Nf6?? (better is 10...Qd8+/–) 11.Ne7+– Ke7 (11...Bf3 12.Qf3 e4 13.Qh3 Be7 14.Bf6 Bf6 15.Bd5+–) 12.Ne5 1–0. Schaar,Joerg (2100) – Sochacki,Heiko (1835), RSS7E basic–38, 2011.

5.e3 c6 6.a4 Nf6 7.Be2 e4 8.Nd4 Nbd7 9.Nf5 Qf8= 10.Nd6 Qd6 11.0–0 Nc5 12.Ba3 h5 13.d4+= ed3 14.cd3 Ng4 15.g3 Qf6 16.Qc2 Nd7 17.d4 Nf8 18.Nd2 Bd7 19.Nf3 Rc8 20.h3 cb5 21.Qb2 a6? 22.hg4 hg4+/– 23.Qb4?? gf3–/+ 24.Bf3 Rc4 25.Qd6 Be6 26.ab5+/– Ng6 27.Bd5+– Bd5 28.Qd5 Rc7 29.ba6 ba6 30.Rab1 Rc8? 31.Rfc1 Rc1 32.Rc1 Qd8 33.Qe4 (33...Ne7 34.Rc8+–; 33.Qc6 Qd7 34.Qe4 Ne5 35.Qe5 Qe6 36.Rc8 Kd7 37.Qc7#) 1–0. pumpkin – jez, net–chess.com, 2000.

5.e3 Nd7 6.c4 dc4 7.Bc4 Ngf6 8.d3 Nb6 9.Nbd2 0–0 10.0–0 Bg4 =.

5.e3 Nd7 6.c4 Ngf6 7.d4 dc4 8.Bc4 e4 9.Nfd2 Nb6 10.Nc3 0–0 =+.

5.e3 Nd7 6.d4 e4! Gedigk.

5.e3 f5!? Lohr.

5.c4 dc4

6.e3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Nd7 10.Bc4 Nb6 11.Be2 Nf6 12.d4 e4 13.Nfd2 Nfd5 14.Nc3 f5 15.Nd5 Nd5 16.Qb3 Be6 17.Bc4 c6 18.bc6 bc6 19.0–0 0–0 20.Qc2 Rf6 21.Rb1= Rh6 22.g3 Rf6 23.Qa4+= Qd7 24.Qa6 Qe8 25.Rb3 Bf8 26.Bb2+= Nc7 27.Qa4+/– Bc4 28.Qc4 Nd5+= 29.Nb1 ½–½. Van Rooijen,Peter (1745) – Schulz,Hans_Juergen (1850), 13. VCC–Open, 2003.

6.e3 Nf6 7.Bc4 0–0 8.d3 a6 9.0–0 ab5 10.Bb5 Be6 11.Nc3 c6 12.Ba4 Nbd7 13.Ng5 Bf5 14.Bc2 Ba3 15.Ba3 Ra3 16.Nb1 Raa8 17.Nc3 Rfd8 18.d4 Bg4 19.Qd2 h6 20.Nge4 ed4 21.ed4 Nc5 22.f3 Nce4 23.Be4 Ne4 24.fe4 Qc5 25.dc5 Rd2 26.e5 Ra5 27.Rab1 Rc2 28.Rb4 Rc3 29.Rg4 Ra2 30.Rgf4 Rc5 31.Rf7 Rcc2 32.Rf8 Kh7 33.R1f2 Rf2 34.Rf2 Ra1 35.Rf1 Rf1 36.Kf1 Kg6 37.g4 Kf7 38.Ke2 Ke6 39.Kd3 Ke5 40.Ke3 g5 41.Kf3 b5 42.Ke3 c5 43.h3 b4 44.Kd3 Kd5 45.Ke3 Kc4 46.Ke2 0–1. Crafty2600 – Crafty_16_13, computer chess game, 1999.

6.e3 Nf6 7.Bc4 0–0 8.d3 a6 9.a4 e4 10.de4 Bb4 (10...ab5 11.ab5 (11.Bb5 Ne4 12.Nc3 Nc6 13.Bc6 bc6 14.Ne4 Qe4 15.Qd4) 11...Ra1 12.Ba1 Qe4 13.Nbd2 Qg6 14.0–0 Nbd7 15.Qb1; 10...Ne4 11.Qd4 (11.Nc3 Bb4 12.Qb3 Nc5 13.Qc2 Qe4 14.Qe4 Ne4 15.Rc1) 11...Bb4 12.Nbd2 Nf6 13.Rd1 Rd8 14.Qh4 ab5 15.ab5) 11.Nc3 (11.Nbd2 Ne4 12.Bd3 ab5 13.Qc2 Bf5 14.Ke2 Nd2 15.Bf5) 11...Ne4 12.Qc2 (12.Qb3 Bg4 13.Ba3 Ba3 14.Qa3 Qa3 15.Ra3) 12...Nc3 13.Bc3 ab5 14.Bb5 Qc5 15.Rc1 Bc3 16.Qc3 Qc3 17.Rc3 c6 18.Bd3 Ra4 19.Ke2 b5 20.Rd1 Bg4 21.Bc2 Ra7 22.Be4 g6 (22...Rc8 23.Rc5–/+) 23.h3 (23.Bc6? Rc7 (23...Nc6?! 24.Rc6 Rb8 25.Rc2+=) 24.Rd6 Rfc8–+ (24...Nc6?! 25.Rdc6 Rc6 26.Rc6+=)) 23...Bf3 24.Bf3 Rc8 25.Rc5 Ra2 26.Ke1 Ra6 27.g4 Rb6 28.g5 b4 29.Ra5 Na6 30.Bg4 Rcb8 31.Kd2 Nc7 32.Kc2 Rb5 33.Rb5 Nb5 34.Rd7 c5 35.Be2 Kf8 36.Kb3 Ke8 37.Bb5 Rb5 38.Rc7 Ra5 39.Kc4 Ra2 40.Rc5 Rf2 41.Kb4 Rh2 42.Kc3 Rh3–/+ 43.Kd4 Rh5 44.e4 Kf8 45.Re5 h6 46.gh6 Rh6 47.Rb5 Rh4 48.Ke3 f6 49.Rb7 g5 50.Kf3 Rf4 51.Ke3 Rf1 52.Ke2 Rh1 53.Kf3 Rh4 ½–½. Taulien,Hans_Juergen – Kuni,Richard, remoteschach.de, 2003.

6.e3 Nf6 7.Bc4 0–0 8.d3 Bg4 9.0–0 Nbd7 10.Nbd2 Nb6 11.a4 Nc4 12.Nc4 Rfd8 13.Be5 Be5 14.Nce5 Bf5 15.Qc2 Rac8 16.a5 Nd7 17.Nc4 Bg6 18.Nd4 Ne5 19.Ne5+– Qe5 20.a6 Qd5 21.ab7 Qb7 22.Rfc1 h6 23.Nc6 Re8 24.Qc4 Ra8 25.Ra6 Re6 26.Rca1 Kh7 27.R1a3 Rd6 28.e4 Rad8 29.Nd8 (29...Rd8 30.Ra7+–) 1–0. pierred – dimpusic, Yahoo, 2005.

6.e3 Nf6 7.Bc4 e4 8.Nd4 a6 9.Qa4 Bd7 10.Nc3 0–0 11.Nd5 Nd5 12.Bd5 c6 13.bc6 bc6 14.Nc6 (worse is 14.Bc6 Nc6 15.Nc6 Qe6–/+) 14...Nc6 15.Bc6 Bc6 16.Qc6 0–1. Ghisi,Stefano – Ottenweller,Wolfgang (1970), IECG, 2004.

6.e4 Nf6

7.Bc4 a6 8.a4 Ne4 9.Qe2 Nc5 10.Ne5 ab5 11.ab5 Ra1 12.Ba1 0–0 13.d4 Ne6 14.0–0 Be5 15.de5 Nd7 16.Qe4 Re8 17.Nd2 Rd8 18.Nf3 Ndc5 19.Qe3 b6 20.Nd4 Nd4 21.Bd4 Ne6 22.Bc3 Qh4 23.f4 Bb7 24.h3 Ra8 25.Be1 Qe7 26.f5 Qc5 27.Qc5 Nc5 28.Bf2 Ne4 29.Rd1 Kf8 30.Rd7 Ra1. Taulien,Hans_Juergen (2225) – Kueppers,Michael (1960), RSL2, 2004.

7.Bc4 Ne4 8.0–0 0–0 9.Re1= Nc5 (9...Ng5 10.Ne5 Re8 (10...Be6 11.Be6 Ne6 12.Nc3 Be5 13.Re5 Nd7 14.Rf5 Nf6 15.Na4 Ne4) 11.Re3= Ne6 12.Nc3 Be5 13.Re5 Nd7 14.Re3 Nf6 15.Nd5 Nd5) 10.d4+= Ne6 11.de5 Bc5 12.Qc2 (12.Nbd2 Nd7 13.Qc2 Nb6 14.Bd3 h6 15.Ne4 Bd7) 12...Nd7 (better is 12...a6+= 13.Nc3 ab5 14.Bb5 Rd8 15.Rad1 Nc6) 13.Nc3+– b6 (13...Nb6 14.Bd3 h6 15.Rad1 Bd7) 14.Bd3 Bb7 (14...h6!?+/– 15.Bh7 Kh8 16.Be4; 14...Ng5 15.Ng5 Qg5) 15.Bh7+– Kh8 16.Be4 Be4 17.Re4 g6 18.Qd2 Kg7 19.Rd1 (19.Nd5 Qe8 20.Nf6 Nf6 21.ef6 Kg8+–) 19...Rad8 20.Nd5 Qe8 21.Qe2 (21.Nc7 Nc7 22.Rh4 Ne5 (22...Nb5?? 23.Qh6 Kg8 24.Qh7) 23.Qh6 Kf6 24.Qg5 Kg7 25.Be5 Qe5 26.Qe5 f6 27.Qc7 Rd7 28.Rd7 Be7 29.Re7 Rf7 30.Rf7 Kg8 31.Rg7 Kf8 32.Rh8) 21...Rh8? (better is 21...Nb8+–) 22.Nc7! Qe7 (22...Nc7 23.e6) 23.Nd5 Qe8 24.Ra4 Rh5 (24...a5 25.ba6 Nb8 26.Qc2+–) 25.Ra7 Ra8 (25...Kf8+–) 26.Nc7 Nc7 27.Rc7 Nf8 (27...Ne5 28.Be5 Kg8 29.Rcd7+–) 28.e6 (28.e6 Kh7 29.Rf7 Qf7 30.ef7 Ra2 31.g4+–) 1–0. pierre – zettel, internet, 2010.

7.Bc4 Ne4 8.0–0 Bf5 9.d3 Ng5 10.Ne5 0–0 11.Re1 Re8 12.Re3 Be6 13.Qh5 Be5 14.Re5 f6 15.Nc3?? fe5–+ 16.Nd5 Qf7 17.Qf7 Kf7 18.Nc7 Nd7 19.Kf1 Rac8 20.Ne8 Ke8 21.Re1 Bc4 (22.dc4 Kf7–+; 21...Rc4?! 22.dc4 Bc4 23.Kg1–/+) 0–1. Taulien,Hans_Juergen – Kottusch,Dieter, R.–Tobies–Gedenkturnier–A, 2003.

7.Bc4 Ne4 8.0–0 Bg4 9.Bd5+= Nc5 10.d4 ed4 11.Re1 (11.Bd4 c6 12.Re1 Ne6 13.bc6 Nc6 14.Bg7 Rg8=) 11...Be6 12.Qd4 (12.Bd4 c6 13.Bg7 Rg8 14.Be6 fe6+=) 12...Rg8= 13.Be4 (13.Nc3 Nbd7=) 13...g6 14.Nbd2 Nbd7 15.a4 (15.Bd5 Nb6 16.Be6 Ne6+=) 15...0–0–0+= 16.a5 h5 (16...Kb8 17.a6 ba6 18.Qc3 Ne4 19.Re4+=) 17.Nc4 (17.a6 b6=) 17...Ne4+= 18.Qe4 Nc5 19.Nd6 Rd6 20.Qe3 Rd3 21.Qe2 Qd8 22.b6 cb6 23.ab6 Qb6 24.Rec1 (24.Bd4 Rd8 25.Qd3 Nd3 26.Bb6 A) 26...Ne1? 27.Rc1 Kb8 28.Bc7 Ka8 29.Bd8 (29.Re1?! Rd7 30.Be5 b5+/–; 29.Ne1?! Rc8+=) 29...Nf3 30.gf3+–; B) 26...ab6=) 24...Rd5 25.Bd4 Kd7 (25...Kb8!?=) 26.Rcb1+/– Qd6 27.Bc5 Qc5 (27...Rc5 28.Rb7 Rc7 29.Ne5 Qe5 30.Qe5 Rb7 31.Ra7 Ra7 32.Qd4 Kc6 33.Qa7+/–) 28.Rb7 Kd8 29.Rb8 (29.Rb8 Bc8 30.Qb2+/–) 1–0. Taulien,Hans_Juergen (2350) – Gromov,Philipp (2245), remoteschach.de, 2003.

7.Bc4 Ne4 8.Qe2 Ng5 9.Ne5 =+.

7.Bc4 0–0

8.0–0 a6 9.Nc3 =+.

8.0–0 Be6 9.Be6 Qe6 10.d4 Nbd7 11.Nbd2 a6 12.a4 Rfd8 13.Qc2 ed4 14.Nd4 Qe5 15.N4f3 Qf4 16.h3 Bb4 (16...Re8 17.Rae1 Bb4 18.e5 Bd2 19.Nd2+= (worse is 19.Qd2 Qd2 20.Nd2 Nd5+=)) 17.Rfd1+= Bd2 18.Rd2 Ne4 19.Rd4 Ndf6 20.Rd8 (20.ba6 ba6 21.Rc4 Qf5+=) 20...Rd8 21.Be5 Qf5 22.Re1 Re8 23.Bf6 gf6 24.ba6 ba6 25.Qc7 Kg7 26.Qc2 Qd5 27.Re3 Re6 28.Nh4 a5 29.Rf3 Nd6 30.Rg3 Kh8? (better is 30...Kf8 31.Qh7 Re4+=) 31.Qc1+– Qa8 32.Kh2 Ne4 33.Rb3 Nd6 (33...Re5!?+/–) 34.Rd3 Qf8 (34...Ne4 35.Qc7 Re8 36.f3+–) 35.Qc7+– Ne4?? (better is 35...Qh6 36.Rd6 Qh4+–) 36.Nf5 (36.Nf5 Re8 37.f3+–) 1–0. Taulien,Hans_Juergen (2350) – Peetoom,Frank (1775), RSS7E–23 remoteschach.de, 2003.

8.0–0 Bg4 9.Nc3 a6 10.h3 Bf3 11.Qf3 ab5 12.Nb5 c6 13.Nd6 Qd6 14.d3 c5 15.Rab1 Nc6= 16.Qf5 Nd4? 17.Bd4+/– cd4 18.Rb7 Rab8 19.Rfb1 Rb7 20.Rb7 g6 21.Qg5 Nh5? 22.Qe7+– Qe7 23.Re7 Nf4 24.Re5 Ne2 25.Kf1 Nc3 26.Re7 Kg7 27.Rd7 Ra8 28.Rf7 Kh6 29.Rd7 Na2 30.Ba2 Ra2 31.Rd4 Ra1 32.Ke2 Rg1 33.Kf3 Ra1 34.Rd7 g5 35.d4 Ra8 36.e5 Rg8 37.Kg4 Kg6 38.Rd6 Kf7 39.d5 h5 40.Kh5 Rh8 41.Kg5 Rg8 42.Kf5 Rg2 43.f4 Rg3 44.e6 Ke8 45.Rb6 Rh3 46.d6 (46...Kf8 47.e7 Ke8 48.Rb8 Kd7 49.e8Q Kd6 50.Qe5 Kc6 51.Qb5 Kd6 52.Rd8 Kc7 53.Rd7 Kc8 54.Qb7#) 1–0. b4_player – opponent, gamecolony.com, 2008.

8.0–0 Bg4 9.d3 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Nbd7 13.Nbd2 Nb6 14.Bb3 Ra8 15.Qc2 (15.d4 ed4 16.Bd4 Bf4=) 15...Nbd7 (15...Ra5 16.d4 ed4 17.Bd4 (17.Nd4? Ra1 18.Ra1 Qe5–+) 17...Rb5 18.Rb1=) 16.h3 (16.d4 ed4 17.Bd4 Ne5=) 16...Be6 (16...Bh5 17.d4=) 17.Be6 (17.Nc4 h6=) 17...Qe6 (worse is 17...fe6 18.Nc4+/–) 18.Nc4 Nh5 19.d4 (19.Bb2 Ra2=) 19...Nf4 20.de5 Bf8 (20...Bc5 21.Kh2+=) 21.Kh2 (21.Bd4 Bc5+/–) 21...Nc5+= 22.Nd4 (22.Ne3 Qg6=) 22...Qg6 23.f3 Ra4 24.Ne3 (24.g3 Nfd3+=) 24...Qg5= 25.Ndf5 (25.g3!? Qh6 26.h4=) 25...g6+= 26.Bd4 Rd4 27.Nd4 Qe5 28.Nb3 Ne2 29.f4 Qe4 30.Qe4 Ne4 31.Nd5 c6 32.bc6 bc6 33.Re1 cd5 34.Re2 f5 35.Ra2 h5 36.Nd2 h4= 37.Ne4 de4 38.g3 hg3 39.Kg3 Kg7 40.Rb2 Bc5 41.Rd2 Bb4 42.Rd4 Be1 43.Kg2 Bc3 44.Rd6 Be1 45.Rd7 Kh6 46.Rd1 Bh4 47.Rc1 Kg7 ½–½. Taulien,Hans_Juergen (2350) – Wokurka,Werner (2235), RSS5D pro–18, 2004.

8.Nc3 a6 =+.

8.d3 a6 9.a4 c6 10.0–0 ab5 11.ab5 Ra1 12.Ba1 cb5 13.Bb5 Nc6 14.Nbd2 Rd8 15.Nc4 Be6 16.Qc2 Bc4= 17.Qc4 Rc8 18.Bc6 Rc6 19.Qb5 Rc5 20.Qb1 Rc8 21.d4 ed4 22.e5 Be5 23.Re1 Bh2 24.Kh2+/– Qd6 25.Kg1 d3 26.Qb7 Rb8 27.Qa7 Rd8 28.Qe3 d2 29.Rd1+– Nd5 30.Qd2 f6 31.Qa5 Rd7 32.Qa4 Rd8 33.Qe4 Qd7 34.Bc3! Qf7 35.Nh4 Rd7 36.Nf5 Kh8 37.Bb4 1–0. Taulien,Hans_Juergen – Peetoom,Frank, remoteschach.de, 2003.

5.c4 d4

6.e3 c5 7.bc6 Nc6 8.ed4 Nd4 9.Nd4 ed4 10.Be2 =+.

6.e3 c5 7.bc6 Nc6 8.Be2 Nf6 9.ed4= e4 10.Ne5 Ne5=+ 11.de5 Be5 12.Ba3 Qe6 13.Nc3 Bd7 14.0–0 Bc6 15.d4? ed3–+ 16.Qd3 Rd8 17.Qe3 Bd4 18.Qg3 Qe5 19.Qe5 Be5 20.Bb4 Rd7 21.Rfe1 Kd8 22.Rad1 b6 23.Nd5 Ba4 24.Rd3 Nd5 25.cd5 Bb5 26.Re3 Be2 27.Re5 Bc4 28.Be7 Kc8 29.Rc1 b5 30.d6 Rb7 31.a3 Kd7 32.f4 Rbb8 ½–½. Taulien,Hans_Juergen – Tietjen,Ronald, RSS7E–13 remoteschach.de, 2003.

6.e3 c5 7.d3 a6 8.a4 Nh6 9.Be2 Nf5 10.e4 Nh4 11.0–0 Ng6 12.Bc1 0–0 13.a5 ab5 (13...Nf4 14.Na3+=) 14.cb5= Bd7 15.Qb3 Be6 16.Qc2 Qd8 17.Bd2 Nf4 18.Bf4 ef4 19.a6 ba6 20.Nbd2 a5 21.e5 Bc7 (21...Be7!?+=) 22.Qc5= Bb6 (22...Nd7 23.Qd4 Ne5 24.Qd8 Nf3 25.Bf3 Rad8 26.Rfc1=) 23.Qc1+= f6 (23...Nd7 24.Nc4+=) 24.Nc4+/– fe5 25.Nfe5 Nd7 26.Nb6 Nb6 (26...Qb6!? 27.Qc6 Rac8 28.Qb6 Nb6+/–) 27.Bf3 Bd5 28.Nc6 Bc6 29.bc6+– Qd6 30.Qa3 Qa3 31.Ra3 Rfc8 32.Rb1 Ra6 33.Rab3 Re8 34.c7 Nc8 35.Rb8 Kf7 36.h3 Ra7 37.Rc1 a4 38.Bc6 Rf8 39.Bb7 (39.Bb7 Rb7 40.Rb7+–) 1–0. Taulien,Hans_Juergen (2350) – Baensch,Hans (2095), remoteschach.de, 2002.

6.e3 Bg4 =+.

6.g3 a6 7.e3 =+.

6.g3 Nf6 7.Bg2 0–0 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.d3 Nc5 13.Nbd2 Bd7 14.Nb3 Ra8 15.Nfd2 c6 16.Nc5 Bc5–/+ 17.Qc2 cb5 18.Bb7 Ra7 19.Bg2 b4 20.Nb3 Ba4 21.Bb2 g6 22.Rb1 Nd7 23.Bc1 Nb6 24.Bd2 Bb3 25.Qb3 Ra3 26.Qc2 Ra7 27.Qb3 ½–½. Hebels – Compagnie,L, corr NBC, 1997.

6.g3 Nf6 7.Bg2 a6 8.a4 Nbd7 9.0–0 Nc5 10.d3 0–0 11.Ba3 Bd7 12.Nbd2=+ ab5 13.ab5 c6 14.bc6 Bc6 15.Qc2 Nfd7 16.Bb2 Qe6 17.Ra8 Ra8=+ 18.Ra1 Ra1 19.Ba1 f5 20.Qa2 Qh6 21.Nh4= Bf8 22.Bc6 bc6 23.f4 ef4=+ 24.Ndf3 fg3 25.hg3 f4 26.gf4 Qf4 27.Bd4 Qg4 28.Kf1 Ne6 29.Be3 Qh3 30.Ng2 Nf6 31.Kg1 Ng4 ½–½. Van Rooijen,Peter (1745) – Reuter,Alfred (1945), 13. VCC–Open, 2003.

6.e3 de3

7.de3 Nf6 8.Qc2 0–0 9.c5= Bc5 10.Be5 Bg4 11.Nbd2 Nbd7 12.Bd4 Bf3 13.Bc5 Nc5=+ 14.Nf3 Nce4 15.Bd3 Qb4 16.Ke2 Nc3–/+ 17.Kf1 Rfe8 18.Rc1 Ncd5 19.Kg1= Rad8 20.h4 h6 21.Bc4 Rd7 22.h5= Qe7 23.Rh4 Ne4 24.Rd1 Ndf6 25.Rd7 Qd7 26.Bd3 Qd5 27.Nd4 Re7 28.a4 Qc5 29.Rf4 Qc2 30.Bc2 Nd6 31.Nf5 Nf5 32.Rf5 Kf8 33.Kf1 ½–½. Van Rooijen,Peter – Dyakov,Alexander, WCCF, 2003.

7.de3 Nf6 8.Nc3 0–0 9.Qc2 e4 10.Nd2 Bf5 11.h3 Nbd7 12.g4 Bg6 13.g5 Nh5 14.Nd5 Qg5 15.Ne4= Qh4 16.Bd3 Be5 17.Nec3 Bd3 18.Qd3 c6 19.Nb4 Nb6 20.bc6 Nc4 21.Bc1 Rad8 22.Qc2 Ng3! 23.Rg1 Ne3! (24.Be3 Qb4 25.fg3 Bc3 26.Kf2 Ba1 27.Ra1 bc6–+) 0–1. Van Rooijen,Peter – Da Silva,David, Telechess CBM, 2000.

7.de3 Nf6 8.c5 Bc5 9.Be5 0–0 =.

7.de3 Nf6 8.Ng5 0–0 9.Qc2 =+.

7.de3 Nf6 8.Ng5 h6 9.Nf3 a6 10.ba6 Na6 11.Be2 0–0 12.0–0 Bg4 13.Nc3 c6 14.e4 Rfd8 15.Nd2 Be2 16.Qe2 Nb4 17.a3 Nc2–/+ 18.Rac1 Nd4–+ 19.Qd3 Ba3 20.Ba3 Ra3 21.h3?? Nb3 22.Nd5 Nd5 23.cd5 Nc1 24.Nc4 Rd3 25.Rc1 cd5 26.ed5 R8d5 27.Ne3 Qa3 28.Nd5 Qc1 29.Kh2 Rd5 30.f3 Rd1 31.Kg3 Rf1 32.h4 Qf4 33.Kh3 Rh1# 0–1. ajeffries (1645) – gdraper (2035), net–chess.com, 2006.

5.c4 Nf6

6.cd5 0–0 7.Nc3 e4 8.Nd4 Qe5 9.e3 Nd5 10.d3 Nc3 11.Bc3 c5 +=.

6.cd5 Nd5 7.e4 Nf6 8.Nc3 0–0 9.Bc4 a6 10.0–0 ab5 (10...Bg4 11.h3 (11.Qe2 ab5 12.Nb5 Nc6 13.h3 Bh5 14.Nd6 Qd6 15.Rab1) 11...Bh5 (11...Bf3 12.Qf3 ab5 13.Nb5 Nc6 14.Rfe1 Bc5 15.Bc3) 12.ba6 (12.d4 Bf3 13.Qf3 ed4 14.Nd5 Nd5 15.Bd5) 12...Na6 13.g4= (13.d3 c6 14.a4 Nc5 15.a5) 13...Bg6 14.d3 c6 15.d4; 10...Be6 11.Be6 (11.Qe2 ab5 12.Nb5 Nc6 13.Ng5 Bc4 14.Qc4 h6 15.Nf3) 11...fe6 12.a4 Nbd7 13.Qc2 Nc5 14.h3 Qe8 15.Ba3) 11.Nb5 (11.Bb5 Nc6 12.Nd5 Nd5 13.ed5 Nb4 14.Qb3 e4 15.Rfe1) 11...Nc6 12.Nd6 (12.Re1 Be6 13.Be6 Qe6 14.Nd6 cd6 15.d4) 12...Qd6 13.Bb5 (13.d4 ed4 14.Nd4 Ne5 15.Bb3) 13...Ne4 14.Qc2 Bf5 15.Bc6 (15.Rfe1=) 15...Ng3 16.Be5 Bc2 17.Bd6 cd6 18.Bb7 Nf1 19.Ba8 Nd2 20.Bd5 Nf3 21.Bf3 Rc8 22.Kf1 Ba4 (22...Rc5 23.Ke2=) 23.Bd1 Ra8 24.Ke2 Kf8 ½–½. Taulien,Hans_Juergen (2225) – Winiger,Albert (2150), RSX8D–priv–XMAS, 2004.

6.cd5 Nd5 7.e4 Nf6 8.Nc3 0–0 9.Be2 Rd8 10.0–0 Bg4 11.a4 Bb4 12.Qc2 Nbd7 13.Rfd1 Nc5 14.d3 Be6=+ 15.Nd2 a6 16.h3 ab5=+ 17.ab5 Ra1 18.Ra1 c6 19.bc6 bc6 20.Nf3 Nb3 21.Ra4 Nd7 22.Na2 Bc5 23.Nc1 Nd4 24.Nd4+= ed4 25.Bd4 Bd4 26.Rd4 c5 27.Ra4 Qg5 28.Kh1 Qh4 29.Bf1 Rb8 30.Ra7 Qf4 31.Kg1 Qd6 32.Qc3 h6 33.Ra3 Rb1 34.Ne2 Qb6 35.Nf4 Qb4 36.Ne6 fe6 37.f4 Kf7 (38.Kf2 g5 39.fg5 hg5+/–; 37...Kh7 38.g3+=). Schulz,Hans Juergen (1700) – Milde,Lars (2040), TT–03 TSC, 2002.

6.cd5= Nd5 7.e4 Nf6 8.Bc4 Ne4 9.0–0 Ng5 10.Ne5? Be5= 11.Be5 Qe5 12.Re1 Ne4 13.d4 Qf4 14.Qd2 Qf5 15.Nc3 0–0 16.Ne4 h6 17.Rac1 Rd8 18.Qb4 Qd7 19.Rc3 a5 20.Qc5 Kh8 21.Rce3 b6 22.Qh5 (22...Qf5 23.Qh4+–) 1–0. Taulien,Hans_Juergen – Traczewski,Wojciech, corr P01–MDK, 2005.

6.cd5 Nbd7 7.Nc3 e4 8.Nd4 Nc5 9.e3 Be5 10.Nb3 Bg4 11.Qc2 Nb3 12.ab3 0–0 13.d4 ed3 14.Bd3 Rfe8 15.Ra4 Bd7 16.0–0 g6 17.f4 Bd6 18.Ne4 Ne4?? 19.Re4+– Qf8 20.Re8 Re8 21.e4 Bc5 22.Kh1 h6 23.e5 Rd8 24.e6! Be8 25.ef7 Bf7 26.Bg6 Qe7 27.Bf7 Kf7 28.f5 (28...Qd6 29.f6+–) 1–0. Taulien,Hans_Juergen (2225) – Brueske,Thomas (2195), RSL2, 2005.

6.cd5 0–0 7.Nc3 e4 8.Nd4 Qe5 9.e3 Nbd7

10.Qc2 Re8 11.f4 ef3 12.Nf3 Qh5 13.Bd3 Bg3 14.Ke2 Bd6 15.h3 Bg3 16.Rac1 Nb6 17.Kf1 Nbd5 18.Nd5 Nd5 19.Qc5 Be6 20.Kg1 f6 21.a3 Bd6 22.Qc2 Rad8 23.g4 Bg4 24.Bh7=+ Kf7 25.Bg6 Qg6 26.Qg6 Kg6 27.hg4 Re4 28.g5 fg5 29.Kf2 Rf8 30.Rhg1?? g4–+ 31.Bd4 Rf3 32.Ke2 Kf5 33.Ba7 Nf4 34.Kd1 Nh3 35.Rg2 Rf1 36.Kc2 Rc4 (37.Kd3 Rfc1–+) 0–1. Tiedemann,Joern (1810) – Greim,Marcel (2155), remoteschach.de, 2006.

10.d3+= Nd5 11.Nd5 Qd5= 12.Qb3 Qb3 13.ab3 Bb4 14.Kd1 Nf6 15.h3 Rd8 16.g4 Bc5 17.g5+= Ne8 18.de4 Nd6 19.f3 Bd7 20.Rc1 Bb6 21.Ke1 (21...Kf8 22.Rd1+/–) 1–0. Taulien,Hans_Juergen (2225) – Bellmann,Herbert (1800), remoteschach.de, 2004.

10.d3 Nd5 11.Nd5 Qd5= 12.Qb3 Qg5 13.de4 Rd8 14.f4 Qg6 15.e5 Be7 16.Rc1 Qe4 17.Qd3 Qd5+= 18.Rc7 Bh4 19.Kd2 Nb6 20.Qb3 Qb3 21.ab3 Nd5 22.Rc5 Be7 23.Rc2 Nb4 24.Rc1 Nd5 25.g3 Bb4 26.Kd3 (26...Ba5 27.Bg2+–) 1–0. Taulien,Hans_Juergen (2225) – Schulz,Hans_Juergen (2145), remoteschach.de, 2005.

10.d3+= Re8 11.de4 Ne4 12.Ne4 Qe4 13.Qb3 Nc5 14.Qc4 Qh4 15.g3 Qe4 16.Rg1 Bg4 17.h3 Bd7 18.Nb3 Nb3 19.Qe4 Re4 20.ab3 Rb4 21.0–0–0 Rb3 22.Kc2 Rb4 23.Ba3 Re4 24.Kb3 a5 25.Rc1 Ba3 26.Ka3 Rb4 27.Rc7+/– Bb5 28.Bb5 Rb5 29.e4 Rb4 30.Rgc1 g5 31.R7c4 Rc4+= 32.Rc4 b5 33.Rc5 b4 34.Ka4 Kf8 35.f3 Ke7 36.Rc7 Kf6 37.f4 gf4 38.gf4 h5 39.e5 Kg6 40.d6 Rd8 41.Ka5 b3 42.Rb7 Kf5? 43.Kb5 Kf4–/+ 44.Kc6 (44...Ke5 45.d7+/–; < 44.Rf7 Ke5 45.Kc4 Rb8–/+) 1–0. Taulien,Hans_Juergen (2225) – Traut,Gerhard (2165), remoteschach.de, 2005.

10.d3+= Re8 11.de4 Ne4 12.Ne4 Qe4 13.Qb3 Nc5 14.Qc4 Qh4 15.g3 Qe4 16.Rg1 Qg6 17.Qc2 Qg5 18.Bg2 Bg4 19.h3 Bh5 20.Nf5 Bg6 21.g4 h5 22.Qe2 Bh2 23.Rh1 Bf5 24.Rh2 Bd3 25.Qd2 Bb5 26.0–0–0 Nd3 27.Kb1 h4 28.Ka1 Qg6 29.Bd4 c5 30.Bc3 c4 31.Rb1 Ba6 32.e4 b5 33.Rhh1 Rab8 34.Rhd1 b4 35.Rb4 Nb4 36.Bb4 Rb4 37.Qb4= Qf6 38.Qb2 c3 39.Qc2 Bb5 40.g5 Qg5=+ 41.Bf1 Bf1 42.Rf1 Qg2 43.Qd3 Rc8 44.a3 Qg5 45.Qc2=+ Qf6 46.Rc1 Qf3 47.d6 Qh3 48.f4 Qd7 49.e5 Qb5 50.Rd1 Qc5 51.Qb3? h3 52.d7 Rd8 53.e6 fe6 54.Qe6 Kf8 55.Ka2? c2 56.Rc1 h2 57.a4 h1Q! 58.Rh1 c1N 59.Rc1 Qc1 (60.Qd6 Kf7–+) 0–1. Taulien,Hans_Juergen (2225) – Werner,Gerhard (2175), remoteschach.de, 2005.

6.cd5 e4

7.Nd4 0–0 8.Qb3 Rd8 9.Nc3 Be5 10.e3 Nbd7 11.Nf5 Qf8 12.Qc2 Nc5 13.Ng3 Nd5 (13...Qe8!?=) 14.Nce4+= (worse is 14.Nge4 Nb4 15.Qb1 Nbd3 16.Bd3 Nd3 17.Kf1 Qb4–+) 14...Nb4 15.Qc5 Qc5 16.Nc5 Bb2 17.Rb1 Ba3 18.d4 Na2 19.Nd3 Be6 20.Kd2 f6 21.Be2 Bf8 (21...a5!?+=) 22.Rb2 Bc4 (22...Ba3!? 23.Rc2 Nb4+/–) 23.Rhb1 1–0. Taulien,Hans_Juergen (2350) – Rompf,Hartmut (2235), remoteschach.de, 2004.

7.Nd4 Nd5 8.Qb3 Nf6 9.Nc3 =+.

7.Nd4 Nd5 8.Qb3 Nf6 9.e3 0–0 10.d3 c5 11.Nc2 Be6–+ 12.Qa4 Nbd7 (12...Nbd7 13.Nd2 ed3 14.Bd3 Ng4–+) 0–1. Maly,Guenther (1740) – Schlaeger,Michael (2270), RSX7E – A00 – Sokolsky–1, 2008.

7.Nd4 Nd5 8.Nc3 Nf6 9.e3 0–0 10.d3 c5 11.bc6 Nc6 12.de4 Be5 13.Bb5 Qb4 14.Qb3 Nd4 15.ed4 Qd4 16.Rd1 Be6 17.Rd4 Bb3 18.Rb4 Be6 19.Bd3 Rac8 20.Nd1 Nd7 21.Ke2 Rfd8 22.Ne3 Nc5 23.Bc2 Bb8 24.a3 a5 25.Rd4 Re8 26.Rd2 b5 27.Rb1 b4 28.ab4 ab4 29.Bd4 Bd6 30.Bc5 Bc5 31.Nd5 Rb8 32.Bb3 Kf8 33.f3 Red8 34.h4 h5 35.Nf4 Bd7 36.Bc4 Ba4 37.Ra1 Be8 38.Rd8 Rd8 39.Nh5 Rb8 40.Nf4 b3 41.Rb1 b2 42.Nd5 Bc6 43.g4 Bd6 44.Ke3 Bd5 45.Bd5 Bc5 46.Kd3 Bd6 47.Kc2 Be5 48.Rf1 Rb6 49.Kb1 Ra6 50.Ba2 Rc6 51.f4+= Rc1 52.Rc1 ½–½. Taulien,Hans_Juergen (2225) – Garscha,Freimut E (2485), remoteschach.de, 2004.

7.Nd4 Nd5 8.e3 0–0 9.Nc3 Nf6 10.Be2 c5 11.bc6 Nc6 12.Ncb5 (12.Nc6 bc6 13.Rb1 Rb8 14.Qc2 Be5 15.Na4 Bb2 16.Rb2) 12...Nd4 (12...Bb4 13.a3 Ba5 14.0–0 Bd7 15.Rc1 Rfc8 16.Nb3) 13.Bd4 Be5 14.Rc1 Bd4 (14...Rd8 15.0–0 Bd7 16.Be5) 15.Nd4 Be6 (15...Bd7 16.Qb3) 16.Ne6 (16.Qa4=) 16...Qe6 17.Qb3 Qb3 18.ab3 Rac8 (18...Rfd8 19.Rc7 Rab8 20.Rf1=) 19.0–0 Rfd8 20.f3 Kf8 21.Rc8 Rc8 22.Bc4 ef3 23.gf3 a6 24.Kf2 (24.Ra1 b5 25.Be2 Rc6=) 24...b5 25.Bd3 Nd5 (25...Rc6 26.Ra1=) 26.f4 (worse is 26.Bh7 g6–/+) 26...Ke7 27.Be4 Nb4 28.Ke2 (28.f5 g5=) 28...Ke6 (28...Na2 29.Rb1=) 29.Ra1 Rc7 ½–½. Taulien,Hans_Juergen (2225) – Grayland,Stan (2290), BCCA vs. RS remoteschach.de, 2005.

7.Ng1 0–0 8.Nc3 Nbd7 9.e3 Nb6 10.Qb3 Rd8 11.Nge2 Nbd5 12.Nd5+= Nd5 13.Ng3 Nb4 14.Qc4 (14...Nd3 15.Bd3 ed3 16.Qd4–/+; 14.Qc3 f5=). Schulz,Hans_Juergen – Kuni,Richard, TT–07 TSC, 2003.

5.e3 c5

6.c4 d4 7.d3 Nf6 8.Be2 0–0 9.0–0 de3 10.fe3 Ng4 =+.

6.c4 d4 7.ed4 ed4 8.Qe2 b6 9.Qe7 Ne7 10.d3 Nd7 11.Nbd2 Bb7 12.Ng5 0–0–/+ 13.Ngf3 Ng6 14.g3 Nde5 15.Be2 Nf3 16.Nf3? Ne5 17.Ne5 Bh1 18.Nf3 Rfe8 19.Kd2? Re2! 20.Ke2 Re8 21.Kd2 Bf3 22.Re1 Re1 23.Ke1 h5 24.Bc1 f6 25.Bd2 Kf7 26.Bc1 Ke6 27.Bd2 Kf5 28.h4 g5 29.hg5 fg5 (30.Bg5 Kg5–+) 0–1. Wessel,Volkmar – Kroeger,Martin, Schleswig Holstein–ch cand, 1991.

6.c4 Nf6 7.cd5 Nd5 8.e4 Nf4 9.g3 Ng6 10.Nc3 Qd8 =.

6.bc6 bc6 7.c4 Nf6 8.d4 e4 9.Ne5 0–0 10.Qa4 Bf5 =+.

6.bc6 Nc6 7.Nc3 Nf6 8.Nb5 0–0 9.Nd6 Qd6 10.Bb5 Re8 =+.

6.d3 Nf6 7.Be2 a6 8.a4 0–0 9.0–0 ab5 10.ab5 Ra1 =+.

6.d4 cd4 7.ed4 e4 8.Ne5 Nd7 9.Nd7 Bd7 10.Be2 Qg5 =+.

6.d4 ed4 7.Be2 Nf6 8.ed4 c4 9.0–0 0–0 10.Re1 Be6 =.

6.Be2 Nf6 7.0–0 Qc7 8.Nh4 a6 9.ba6 ba6 10.f4 0–0 =.

5.e3 Nf6

6.Nc3 0–0 7.Bd3? d4?? (better is 7...e4–+) 8.Ne4+= (worse is 8.ed4 e4 9.Ne4 Ne4–/+) 8...Nbd7 (8...Ne4 9.Be4 de3 10.de3+=) 9.0–0 (9.Nd6!? Qd6 10.Be2 (10.ed4? e4–+) 10...de3 11.fe3=) 9...Ne4–/+ 10.Be4 Nf6 11.d3 de3 12.fe3 a6 13.c4 Ne4 14.de4 Rd8 15.Qd5 (15.a4!?–/+) 15...Be6–+ 16.Qb7 (16.Qd3 ab5 17.cb5 Ra2 18.Ra2 Ba2–+) 16...Rdb8 (better is 16...Bc4!? 17.Rfc1 ab5–+) 17.Qc6–/+ Ra7 18.Rfd1 f6 19.a4 Bc5 20.Bd4? (better is 20.a5!?–/+) 20...ed4–+ 21.ed4 Bd4! 22.Nd4 (22.Rd4 Rb6 Combination; 22.Nd4 Rb6 Combination) 22...Rb6 23.Nf5? (better is 23.Kh1–+) 23...Qf8 24.Rd7 Rc6 25.bc6 Bd7 26.cd7 Qc5 27.Kh1 Ra8 28.Rd1 Rd8 29.g3 (29.h3 Qc4 30.Rd4 Qe6–+) 29...Qc4 30.Rd4 Qf1# 0–1. Tiedemann,Joern (2125) – Elschner,Gerald (2205), RSX – Senioren–1, 2007.

6.Nc3 0–0 7.Be2 c5 +=.

6.Nc3 0–0 7.Be2 Bg4 8.h3 Be6 9.0–0 Re8 10.Ng5 Bf5 =+.

6.Nc3 c5 7.bc6 Nc6 8.Nb5 0–0 9.Nd6 Qd6 10.Bb5 Re8 =+.

6.Nc3 c6 7.bc6 Nc6 8.Nb5 0–0 9.Nd6 Qd6 10.Bb5 Re8 =+.

6.Nc3 Be6 7.Be2 0–0 8.0–0 Nbd7 9.d3 a6 10.Ng5 Ba3 =+.

6.Nc3 Bf5 7.Be2 0–0 8.0–0 c5 9.bc6 Nc6 10.Nb5 Bb4 =+.

6.c4 a6 7.cd5 Nd5 8.Qb3 Nf6 9.d4 Be6 10.Qc2 ed4 11.Nd4 c6 (11...0–0 12.Ne6 fe6 13.Nc3=) 12.a4 (12.bc6!? Bb4 13.Ke2+/–) 12...0–0 13.Bd3 cb5 14.ab5 Nbd7 (14...Rc8!? 15.Nc3 Rc5=) 15.ba6+= ba6 16.Ba6 Bb4 17.Nc3 Nc5 18.Nc6 Bc3 19.Qc3 (19.Bc3!? Qd6 20.Bb5+/–) 19...Qd6= 20.Bb5 Ra1 21.Ba1 Bd5 22.Qd4 (22.Qd2 Nb3 23.Bf6 Nd2 24.Ne7 Kh8 25.Bg7 Kg7 26.Nf5 Kf6 27.Nd6 Bg2 28.Kd2 Bh1–/+) 22...Ne6 (22...Rc8!? 23.Qd1 Ncd7=+ (23...Rc6?! 24.Bc6 Qc6 25.Bf6=)) 23.Qb4+= Qb4 24.Nb4 Bg2 25.Rg1 Rb8 26.Bd3 Be4 27.Ke2 Rb4 28.Bf6 Bd3 ½–½. Taulien,Hans_Juergen – Farmer,Walter, RSS7E–23 remoteschach.de, 2003.

6.c4 dc4 7.Bc4 (7.Qc2 A) 7...0–0 8.Bc4 (8.e4 Bg4 9.Bc4 a6 10.Nc3 Bf3 11.gf3 ab5 12.Nb5–/+) 8...Nbd7 9.Nc3 Nb6 10.Bd3 Bg4 11.Ng5 h6 12.Nh7=; B) 7...e4 8.Bf6 gf6 9.Nd4 f5 10.Bc4 Rg8 11.g3 Be5 12.Nc3=) 7...0–0 (7...e4 8.Ng5 0–0 9.d3 a6 10.ba6 Na6 11.de4 Ne4 12.Ne4=+; 7...Be6 8.Be6 Qe6 9.d3 Nbd7 10.Nc3 0–0 11.0–0 Rfd8 12.Qc2=+; 7...Nbd7 8.d3 (8.d4 e4 9.Nfd2 Nb6 10.Nc3 0–0 11.0–0 Bh2 12.Kh2–/+; 8.0–0 e4 9.Nd4 Nb6 10.Be2 Qe5 11.g3 Bh3 12.Re1=+) 8...Nb6 9.Nbd2 0–0 10.0–0 Bg4 11.a4 Rfc8 12.h3=; 7...Bg4 8.h3 (8.d3 a6 9.Nc3 ab5 10.Nb5 Bb4 11.Nc3 Nbd7 12.h3=+) 8...Be6 9.Be6 Qe6 10.Nc3 a6 11.Qb3 Qb3 12.ab3=) 8.d3 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.0–0 (12.Nbd2=+) 12...Nb6 13.Nfd2 (13.Nbd2 Bg4=+) 13...Rd8 14.Bb3 Bf5 15.e4 Bg4 16.Qc2 Bd7 (16...Nh5 17.Nc4 Nc4 18.Bc4–/+) 17.Nc3 Nh5 18.Nc4 Nf4 19.Ne2 (19.Nb6 Qg5 20.g3 cb6=+) 19...Ne2 20.Qe2 Bb5 21.Nb6 cb6 22.Rb1 Bc6 23.Qf3 Bc5 24.Bc4 b5 25.Bb5 Bb5 26.Rb5 b6 27.Rb1 Qe6 28.Qe2 Qd6 29.Rd1 Bd4 30.Bd4 Qd4 31.Qc2 b5 32.Rb1 b4 33.h3 Qd6 34.Qb3 Rb8 ½–½. Steingraeber,Barbara – Fiedler,Peter, DESC, 2004.

6.c4 c5 7.cd5 Nd5 8.Nc3 Nc3 9.dc3 0–0 10.Nd2 (10.Bd3 Nd7 11.c4 e4=+) 10...Be6 11.Bc4 (11.Bd3 a6=+) 11...Nd7 (11...a6=+) 12.0–0 Nb6 13.Be6 Qe6 (< 13...fe6 14.c4+=) 14.a4 Rad8 15.a5 Nc4 16.Nc4 Qc4 17.Qa4 Qe6 18.a6 b6 19.c4 e4 20.Qc2 Rd7 21.Rad1 Rfd8 22.Rfe1 Be5 ½–½. Mehlhorn,Uwe – Napierala,Dieter, remoteschach.de, 2003.

6.c4 Nbd7 7.Be2 (7.cd5 Nd5 8.e4 Nf4+=) 7...dc4 8.Bc4 e4 9.Nd4 Ne5 10.Be2 0–0 11.f4 (11.Qc2 Bd7+=) 11...ef3 12.Nf3 Nfg4 13.g3? (better is 13.Nc3–/+) 13...Nf3–+ 14.Bf3 Nh2! 15.Rh2 (15.Qe2 Nf3 16.Qf3 Qg5–+) 15...Bg3 16.Rf2 Qh4 (16...Bf2?! 17.Kf2 Qh4 18.Kf1 Bh3 19.Ke2 Qc4 20.d3 Qb5 21.Qb3 Qb3 22.ab3+=) 17.Qe2 Qh2 (17...Bf2?! 18.Qf2 Qf2 19.Kf2=) 18.Nc3 Qg1 (18...Qf2 19.Qf2 Bf2 20.Kf2+=) 19.Qf1 Bf2 (worse is 19...Qf2 20.Qf2 Bf2 21.Kf2+=) 20.Ke2 Qf1 21.Rf1 Bh4 22.Nd5 Bd7 (22...Bd8 23.Rc1 Bd7 24.Nc7 Bc7 25.Rc7 Bb5 26.Ke1–+) 23.a4 (23.Nc7 Rac8 24.Rg1 g6–+ (24...Rc7?? 25.Rg7 Kh8 26.Rf7 Bf6 27.Bf6 Kg8 28.Rg7 Kh8 29.Rd7 Rf6 30.Rc7+–)) 23...Bd8 (23...c6 24.Rg1 g6 25.Bf6 cd5 26.Bh4–+) 24.Rg1 g6 25.Bf6 (25.Nb4 Rb8–+) 25...c6 26.Ne7 (26.Bd8 cd5 (26...Rfd8?! 27.Nf6 Kg7 28.Nd7–/+) 27.Bf6 a6–+) 26...Be7 27.Be7 Rfe8 28.Bc5 (28.Bd6 Rac8–+) 28...cb5 29.Bb7 Rab8 30.Bd5 ba4 31.Ba7 (31.d4 Rb2 32.Kf3 Kg7–+) 31...Bb5 32.Kf2 Rbd8 (32...Rbc8 33.Bd4–+) 33.e4 Rc8 34.Ke3 (34.Ra1 h5–+) 34...Bc6 35.Bc6 Rc6 36.d4 Rc3 (36...Rce6 37.Ra1–+) 37.Kf4 White plans e5 37...f6 38.e5 (38.Ra1 Kg7 39.Ra4 g5 40.Kf5 Rf3 41.Kg4 Re3–+) 38...fe5 39.de5 Rc4 40.Ke3 Re5 41.Kd3 Rc7 (41...Rc7 42.Bd4 Ra5–+) 0–1. Onoprienko,Elena (2060) – Zakharchenko,Arnold (2260), 14th Chigorin Mem B RUS, 2006.

6.c4 e4 7.Nd4 0–0 8.cd5 Nd5 9.d3 Bb4 (9...c5 10.bc6 Nc6 11.Nc6 bc6 12.Qc2=+) 10.Nd2 ed3 11.Bd3 Nf4 12.Bf1 c5 13.bc6 Nc6 14.Nc6 (14.a3 Bd6=+) 14...bc6= 15.a3 Ba5 16.Qa4 Bd2 17.Kd2 Rd8 18.Ke1 Nd3 19.Bd3 Rd3 20.Qc6 Rb8 21.Kf1 (21.Rg1 Bf5 (21...Rb2?! 22.Qc8 Rd8 23.Qc3=+) 22.Qf3 Be4 23.Bg7 Kg7 (< 23...Bf3 24.gf3 Re3 25.Kf1 Re1 26.Re1 Qe1 27.Ke1 Rb1 28.Ke2 Rg1 29.Bd4–/+) 24.Qg3 Bg6–+) 21...Bb7 22.Qa4 (22.Qc2 Be4 23.f3 Rdb3 24.Qe4 Qe4 25.fe4 Rb2=+) 22...Qg5 (22...Bg2 23.Kg2 Rb2=+) 23.Rg1 Rbd8 (23...Qh5 24.Bd4 Rd2 25.f3 Qh2 26.Ba7–/+) 24.Bd4= (24.Qa7 Qb5 25.Ke1 Rd2 26.Qa6 Qa6 27.Bg7 Qe2) 24...Qf5 25.Rd1?? (better is 25.Ke2 Qe4 26.Kf1=) 25...Rc8 (26.f4 Bc6–+; 25...Bc6 26.Qc2 Be4–/+) 0–1. Van Rooijen,Peter – Schulz,Hans_Juergen, TT–04.46 TSC, 2002.

6.c4 e4 7.Nd4 0–0 8.cd5 Nd5 9.d3 Bb4 10.Nd2 ed3 11.Bd3 Nf4 12.Bf1 Qe4 13.Qb3 (better is 13.Qf3 Qf3 14.N4f3=) 13...Ng2–+ 14.Bg2 Qg2 15.Ke2 (15.Rf1 Bd2 16.Kd2 Rd8–+) 15...Bd2 16.Rag1 Bg4 17.Kd2 Qf2 18.Kc1 Bh5 19.Rf1 Qh4 20.Rhg1 Bg6 21.Nf5 Qe4 22.Rf4 Qe8 23.Ng7 (23.Bg7 a6 24.Bf8 Kf8 25.Qb4 c5 26.Qc5 Kg8 27.Nh6 Kg7 28.Rf7 Qf7 29.Nf7 ab5 30.Qe5 Kf7 31.Rf1 Kg8 32.Qd5 Kg7 33.Qb7 Kh6 34.Qa8 Bd3 35.Rd1 Bg6 36.Qb8 Bf5 37.Qf8 Kg5 38.Rg1 Bg4 39.Qf4 Kg6 40.Rg4 Kh5 41.Qg5) 23...Qe7+= 24.Nf5 Qc5 25.Bc3 (better is 25.Qc4 Qc4 26.Rc4+/–) 25...Qf5?? (25...Rc8 26.Nh6 Kf8 27.Rf7 Ke8 28.Qe6 Kd8 29.Qf6 Ke8 30.Qh8 Qf8 31.Qf8) 26.Rf5+– Nc6 (26...a5 27.e4+–) 27.Rh5 (better is 27.bc6 bc6 28.Qa4 Rfb8+–) 27...Ne7 28.Qc4 Rfd8 29.Rh7! Kf8 (29...Kh7 30.Qh4) 30.Rh8 Ng8 31.Qc7 (31.Rg6 fg6 32.Rg8 Ke7 33.Rg7 Kd6 34.Qd4 Ke6 35.Qe5) 31...Rac8 32.Rg8! Kg8 33.Rg6! Kf8 (33...fg6 34.Qg7) 34.Bb4 Rd6 35.Bd6 Ke8 36.Qc8 1–0. Taulien,Hans_Juergen – Grafen,Denis, remoteschach.de, 2002.

6.c4 e4 7.Nd4 dc4 8.Bc4 Bg4 9.Qb3 Nbd7 10.Nc3 0–0 11.h3 Nc5 12.Qc2 Nd3 (12...Bd7!?=) 13.Bd3+= ed3 14.Qd3 Bd7 15.Nf5 Bf5 16.Qf5 a6 17.a4 c5 18.0–0 ab5. pumpkin (2340) – smurfchess (1985), net–chess.com, 2010.

6.c4 Bg4 7.Be2 (7.cd5 Nd5 8.e4 Nf4=+) 7...Nbd7 (7...dc4 8.h3 Bf3 9.Bf3–/+) 8.Qc2 (8.cd5 Nd5 9.Qb3 Nc5–/+) 8...0–0 (8...e4!? 9.Nd4 Be2 10.Ne2 dc4 11.Qc4 Ne5 12.Be5 Be5=+) 9.cd5=+ Nd5 10.0–0 N7f6 (10...e4 11.Nc3 ef3 12.Nd5–+) 11.Nc3 e4 (11...Nb4 12.Qb3=+) 12.Nd5=+ Nd5 13.Nd4 Be2 (13...Nb4 14.Qc3 Qe5 15.f4 ef3 16.Nf3 Bf3 17.Bf3 Qh2 18.Kf2 Qg3 19.Ke2–/+) 14.Ne2=+ Rae8 (14...Rad8 15.f3 f5 16.Bd4=+) 15.f4 (15.f3 Qh4 16.h3 a6=+) 15...f5 (15...Qd7 16.Nc3 Nb4 17.Qb3=+) 16.Qc4 Qf7 17.a3 (17.Bd4 Qe6 18.Rac1 Nb4=+) 17...Nb6 18.Qf7 Rf7 (18...Kf7 19.Rfc1=+) 19.Rfc1 Na4 (19...Rd7 20.Nd4 Na4 21.Bc3 Nc3 22.Rc3 Bf4 23.ef4 Rd4 24.Rc7=+) 20.Bd4= b6 (20...Ra8 21.Rd1=) 21.Rc4 Nc5 22.Rb1 (22.Bc5 Bc5 23.Kf2 Rd7=) ½–½. Neuwald,Volker – Riemann,Georg, Baden–ch HT2, 2003.

6.d3 c6 7.c4 0–0 8.Nbd2 Bg4 9.Be2 cb5 10.cb5 Nbd7 11.0–0 Rfc8 12.a4 Rc7 13.Rc1 Rac8 14.Rc7 Rc7 15.Re1 Ba3 (15...Bb4 16.h3 Bf3 17.Bf3=+) 16.Qa1 Bb4 17.Qd1 (17.Rc1 Rc1 18.Qc1 e4 19.de4 de4 20.Bf6 Nf6= (< 20...gf6 21.Qc8 Kg7 22.Nd4+/–)) 17...Bc3 (17...Bf3!? 18.Bf3 e4=+) 18.Bc3=+ Rc3 19.Qa1 (19.h3 Bh5=+) 19...Ra3–/+ 20.Qc1 Ra4 21.Qc8 (21.Qc7 b6–/+) 21...Nf8 22.Qc3 e4 23.de4 de4 24.Nd4 Be2 25.Ne2 Qb4 (25...Ra3 26.Qc2–/+) 26.Qb4 (26.Rb1 Qd6–/+) 26...Rb4 27.Rb1 (27.Nc3 Ne6–/+) 27...Rb1–+ 28.Nb1 Ne6 29.Nbc3 Nc5 30.Ng3 g6 (30...a5 31.ba6 ba6 32.f3–+) 31.h3 Kf8 32.Kf1 Ke7 33.Nge2 Ke6 34.Nf4 (34.f3 Kd6–+) 34...Ke5 35.g4 g5 36.Nfe2 Nd5 37.Nd5 Kd5 38.Ng3 Kc4 (38...a5 39.ba6 ba6 40.Nf5–+) 39.Nf5 Kb5 40.Nd6 Kb4 41.Nf7 a5 42.Ke2 a4 43.Kd2 Kb3 44.Nd6 a3 45.Nb5 a2 46.Nd4 Kb2 47.Nc2 b5 48.Na1 Nb3 (49.Kd1 Na1 50.Ke1 Nc2 51.Kf1 a1Q 52.Kg2 Ne1 53.Kg3 Nf3 54.h4 Qg1 55.Kh3 Qh2#) 0–1. Skaug,Torbjoern – Lea,Per, corr Norway, 1987.

6.d4 ed4 7.Bd4= 0–0 8.Be2 b6 (8...c5 9.Bb2=+) 9.0–0 Bb7 10.c4 (10.Nc3 Ne4=) 10...dc4 11.Bc4 c6 (11...c5 12.Bb2=) 12.a4 (12.Nc3 Nbd7=) 12...c5 13.Bb2 Nbd7 14.Nbd2 Ne5 15.Be2 (15.Be5 Be5 16.Ne5 Qe5=) 15...Rad8 16.Qc2 Nf3 17.Bf3 (17.Nf3 Be4 18.Qc4 Bd5=) 17...Bf3 (17...Bh2!? 18.Kh2 Qd6 19.Kh3 Qd2 20.Qd2 Rd2=+) 18.Nf3= Nd7 19.Rfd1 Ne5 ½–½. Schwichtenberg,Juergen (2005) – Sallwey,Rainer, Hessen–ch Seniors, 2005.

6.Be2 a6 7.a4 0–0 8.d4 (8.Nc3 e4 9.Nd4 c5–/+) 8...Nbd7 (8...e4 9.Nfd2–/+) 9.c4 (9.Nc3 e4 10.Nd2 a5–/+) 9...dc4 10.Bc4 (10.0–0 ab5 11.ab5 Ra1 12.Ba1 e4–/+) 10...ed4–+ 11.Bd4 Ne5 12.Be2 (12.Nbd2 Nc4 13.Nc4 Bb4 14.Nfd2 Bf5–+) 12...ab5 (12...Rd8 13.Nbd2 Nf3 14.Bf3–+) 13.ab5–/+ Ra1 14.Ba1 Bb4 15.Bc3 (better is 15.Nc3 Qc5 16.Qd4 Nf3 17.gf3 Qd4 18.ed4–/+) 15...Bf5?? (better is 15...Ne4 16.Bb4 Qb4 17.Nfd2 Nd2 18.Nd2 Rd8–+) 16.0–0=+ Bc3 17.Nc3 Rd8 18.Nd4 Bc8 19.Qc2 Neg4 20.Bg4 Ng4 21.Ne4 f5 22.Qb3 Kh8 23.Ng3 f4=+ 24.Ngf5 Qf6 25.h3= Bf5 26.Nf5 Qf5 27.hg4 Qg4 28.ef4 Qf4=+ 29.Qe6 h5 30.b6 cb6 31.Qb6 Rd7 32.Re1 Rf7 33.Qc5 Qf5 34.Re5= Qb1 35.Kh2 g6 36.Re8 Kg7?? 37.Qd4 (37...Kh6 38.Qh8 Kg5 39.Re3+–) 1–0. Krivoshapko,Alexander – Schuetz,Peter (2040), Harkany Tenkes Cup op, 1998.

6.Be2 a6 7.a4 e4 8.Nd4 –/+.

6.Be2=+ a6 7.Nc3 0–0 8.0–0 c5 9.ba6 ba6 10.d4 cd4 –/+.

6.Be2=+ c5 7.0–0 Qc7 8.d4 cd4 9.ed4 e4 10.Ne5 Nbd7 =+.

6.Be2 c5 7.d3 0–0 8.Nbd2 Bg4 9.c4 Nbd7 10.cd5 Nd5 11.0–0 f6 12.Qa4 Be6 13.Qh4 Qf7 14.a4 g5 15.Qh6 Rfd8 16.g4 Bf8 (worse is 16...Bg4 17.Ng5 fg5 18.Bg4+/– (18.Qg5? Kh8 19.Bg4 Rg8–+)) 17.Qh3 Qg6 18.Ne4 a6 19.Nfd2 ab5 20.ab5 N7b6 21.Qf3 Be7 22.Ra8 Ra8 23.Nc4 Nc4 24.dc4 Nb6 25.Ng3 Ra7 26.Nf5 Bf8 27.Rd1 Bf5 (27...Nc4? 28.Rd8 Nd2 29.Rd2+–; 27...Bc4?? 28.Bc4 Kh8 29.Rd8+–) 28.gf5 Qf7 29.Qe4 Ra4 c4 draws heavy fire 30.Ba1 Kg7 31.f4 Nc4 32.fe5 Nb2 33.ef6 Kh6 34.Qf3 Nd1 35.e4 Re4 36.Qe4 Qb3 37.Qf3 (37.Qb7 Qe3 38.Kh1 Qe2–+) 37...Qf3 38.Bf3 Ne3 39.Bb7 Nf5 40.Be4 Nd6 41.b6 Nf7 42.h3 Bd6 43.b7 Kh5 44.Bh7 1–0. Hlavacek,Ladislav (1885) – Guilloux,Jean Yves (2065), IECGemail, 2004.

6.Be2 e4 7.Nd4 a6 8.0–0 0–0 9.d3 (better is 9.f3!?+=) 9...Qe5–/+ 10.g3 Bh3 11.Re1 ab5 12.Qc1 b4 13.Nb5 Qf5 14.Nd6 cd6 15.Bf6 Qf6 (15...gf6?! 16.Nd2+=) 16.d4 Nc6 17.Nd2 Qg5 18.Qb2 h5 19.Reb1 Ra3 20.Nf1 h4 21.Qc1 Rfa8 22.Rb2 Kf8 23.Qe1 hg3 24.hg3 Ke7 25.Bb5 (25.Nd2!?–/+) 25...Rh8–+ 26.Bc6 Qh5 27.f4 Bf1 (27...Bf1 28.Qb4 Qh1 29.Kf2 Qg2 30.Ke1 Qe2#) 0–1. Mantau,Jan (2085) – Schlaeger,Michael (2270), RSX7E – A00 – Sokolsky–1, 2008.

6.Be2=+ e4 7.Nd4 c5 8.bc6 Nc6 9.f4 0–0 10.0–0 Nd4 =+.

6.Be2=+ Bf5 7.c4 dc4 8.Bc4 0–0 9.0–0 a6 10.Nc3 Be6 =+.

6.Be2 Bf5 7.d4 e4 8.Nfd2 0–0 (8...a6 9.c4 dc4 10.Nc3 ab5 11.Nb5+=) 9.c4 c5 (9...dc4 10.Nc4 Bb4 11.Nbd2=) 10.g4= Be6 (10...Bg6 11.dc5 Be5 12.Nc3 Qc5 13.h4+=) 11.cd5+= Bd5 (11...Nd5 12.Ne4 Bc7 13.dc5+=) 12.g5+/– Nfd7 13.Nc3 Nb6 (13...Qg5? 14.Nde4 Be4 15.Ne4+–) 14.Nd5 Nd5 15.Qb3 Nc7 16.dc5 Be5 17.Be5 Qe5 18.Rc1 Nd7 19.Qc2 Rfe8 20.h4 (20.c6 bc6 21.Qc6 Nb6 22.Qe4 Qg5+/–) 20...Rac8 21.c6 bc6 22.bc6 Nb6 23.Bg4 Rcd8 24.Qc3 Qb5 (24...Qd6 25.Nc4 Qe7 26.Nb6 ab6 27.Bd7+–) 25.Nb3 Rd3 26.Qc5 Qa4 27.Nd4 Qa2 28.0–0 Qd5 29.Bd7 Re5 30.Qd5 Nbd5 31.Rb1+– g6 32.Nb5 Na8 33.Na7 Nab6 34.Rfc1 Re7 35.Nc8 Nc8 36.Bc8 Rc7 37.Bd7 Ne7 38.Rc4 Rcd7 39.cd7 Rd7 40.Re4 Kg7 41.Rc4 Nf5 42.Rb8 h6 43.Rcc8 Rd1 44.Kh2 hg5 45.hg5 Ne7 46.Rc7 Nf5 47.Kg2 Rd2 48.e4 Nd6 49.Kf3 Rf2 50.Kf2 Ne4 51.Kf3 Ng5 52.Kg4 Ne6 53.Rbb7 Nc7 54.Rc7 Kf6 55.Rb7 Ke6 56.Kg5 f5 57.Rb4 1–0. Taulien,Hans_Juergen – Kazmierczuk,Zenon (1910), 60yearsBdF–WS35, 2006.

6.Be2 Bg4 7.a4 Nbd7 8.h3 Bh5 9.Na3 (9.Nc3 e4 10.Nd4 Be2 11.Qe2 0–0=) 9...0–0 10.c4 Bf3 11.gf3 Nc5 (11...Rfd8 12.Rg1–/+) 12.cd5 Nd5 13.Nc4 Rad8 (13...Rfd8 14.Rg1=) 14.Na5 (14.d4 Ne6 15.Nd6 (worse is 15.Ne5 Be5 16.de5 Ne3–/+; 15.de5? Bb4 16.Kf1 Ne3 17.fe3 Rd1 18.Rd1 Qh4–+) 15...cd6 16.Rg1=) 14...Qh4 15.Kf1 (15.Nc4 f6+=) 15...Qb4 (15...Nb6!?–/+) 16.Nc4= Nb6 a4 becomes the focus of attention (16...Rfe8 17.Rg1=) 17.Bc3 Qb3 18.Qb3 Nb3 19.Rb1 Nc4 20.Bc4 Nc5 21.Ra1 Ne6 22.Rg1 Rde8 (22...Rd7 23.Bd5 Rb8 24.Ke2+=) 23.h4 (23.f4 Nd8+/–) 23...Kh8 (23...Re7 24.Bd5 Rb8 25.Ke2+=) 24.f4+/– f6 25.fe5 fe5 1–0. Krivoshapko,Alexander – Bereziy,Petr, Omsk CC Championship SF, 2010.

6.Be2 Bg4 7.h3 Bd7 8.0–0 0–0 9.Nc3 a6 10.a4 e4 =+.

6.c4 0–0

7.Qc2 Nbd7 8.Be2 Nc5 9.0–0 b6 10.d4 ed4 11.Bd4 Bb7 12.Ng5 h6 13.Bf6 1–0. purplegadge (1795) – vesupria (1700), gameknot.com, 2011.

7.d4 Bb4 8.Nc3 ed4 9.Nd4 Bg4 10.Qd3 c5 11.bc6 Nc6 12.h3 =+.

7.d4 ed4 8.Qd4 (8.Bd4 Be6 (8...Rd8 9.Nc3 Be6 10.Qb3 a6 11.Rd1 ab5 12.Bf6=) 9.Qb3 c5 10.Bf6 Qf6 11.Nc3 Bg4 12.Be2+=) 8...c5 (8...Be6 9.cd5 (9.Ng5 Nbd7 10.Bd3 Be5 11.Qh4 h6 12.Be5–+; 9.Nc3 c5 10.Qh4 d4 11.Nd1 Bf5 12.Be2+=; 9.Qh4 Nbd7 10.cd5 Bd5 11.Be2 Ne5 12.Nbd2+=; 9.Nbd2 Rd8 10.Be2 dc4 11.Qh4 c3 12.Bc3=) 9...Bd5 10.Nc3 Bf3 11.gf3 c6 12.Ne4=) 9.Qh4 (9.bc6 Nc6 10.Qh4 Ne5 11.Nbd2 Nf3 12.gf3+=) 9...d4 10.Bd3 Nbd7 11.0–0 (11.Kd1 de3 12.Re1=) 11...de3 12.Re1 (12.Nc3 ef2 13.Rf2 Qe3=) 12...ef2+= 13.Kf2 Qd8 14.Kg1 h6 15.Nbd2 Nh7 16.Ne4 Qh4 17.Nh4 Be5 18.Be5 Ne5 19.Nc5 Nd3 20.Nd3 Rd8 21.Nc5 b6 22.Ne4 Rd4 (22...a6!?=) 23.Nf3+= Rd8 24.a4 Bb7 25.a5 Nf8 26.a6 Be4 27.Re4 Ng6 (27...Ne6 28.Rae1+=) 28.Rae1 Rac8 29.h4 Rd7 (29...f5!? 30.Re6 Kh7+/–) 30.Re8+/– Re8 31.Re8 Kh7 32.h5 Nf4 33.Ne5 (33.Rb8 Nh5 34.Rb7 Nf6+–) 33...Rd4 (33...Rd1 34.Kf2 Nh5 35.Ra8+/–) 34.Nc6 Rc4 35.Na7 1–0. Taulien,Hans_Juergen – Napierala,Dieter, remoteschach.de, 2003.

7.cd5 Nd5

8.Bc4 Nb6–/+ 9.Be2 a6 10.a4 ab5–/+ 11.ab5 Ra1 12.Ba1 c5 13.0–0 N8d7 14.d3 Nf6 15.Nbd2 Bd7 16.d4 cd4=+ 17.ed4 e4 18.Ne5 Bf5 19.Ndc4= Nbd5 20.Nd6 Qd6 21.Qb3 Be6 22.Bc4 Ng4?? 23.Ng4+– (23...Rc8 24.h3+–) 1–0. Whiteside,T Martyn – Harding,Timothy David, corr BPCF Grand op2, 1984.

8.e4 Nf4 =+.

8.Nc3 Nc3

9.dc3 a6 10.a4 e4 11.Nd4 Rd8 12.Bc4 Qg5–/+ 13.h4 Qg2–+ (14.Rf1 Bh3–+) 0–1. Sternik,Ryszard – Skonieczny,Jerzy, corr or01–012 E–mail, 2001.

9.Bc3 c5 A) 10.e4 A1) 10...Qf6 11.Qc2 (11.Be2 Nd7 12.0–0 Nb6 13.a4 Be6 14.a5 Nd7 15.Qc2) 11...Be6 12.Be2 Nd7 13.0–0 Rfd8 14.d3 a6 15.Rfb1; A2) 10...h6 11.Bd3 (11.Be2 Qf6 12.0–0 Be6 13.Qc2 Nd7 14.Qd3 Bc7 15.Qe3) 11...Qf6 12.0–0 Be6 13.Qe2 Nd7 14.a4 Rac8 15.Bc4; A3) 10...Nd7 11.Qc2 (11.Bd3 Nb6 12.0–0 c4 13.Be2 f6 14.Qc2 Be6 15.a4) 11...Nf6 12.Bc4 Bg4 13.Nh4 g6 14.0–0 Nd7 15.f3; B) 10.g3 B1) 10...Nd7 11.Nh4 (11.Bg2 a6 12.ba6 Ra6 13.0–0 Nb6 14.Qc2 e4 15.Ne1) 11...Nf6 12.Bg2 e4 13.Bf6 Qf6 14.Be4 Re8 15.f3; B2) 10...a6 11.Qa4 (11.a4 e4 12.Nh4 g5 13.Ng2 Nd7 14.Qc2 g4 15.ba6) 11...e4 12.Nh4 g5 13.Ng2 Bg4 14.f4 Bf3 15.Rg1; B3) 10...e4 11.Nh4 (11.Ng1 Nd7 12.Bg2 a6 13.b6 Nb6 14.Qb1 Nd5 15.Be4) 11...g5 12.Rg1 a6 13.Qa4 Rd8 14.Ng2 Bf5 15.g4; C) 10.bc6 Nc6 11.Qa4 (11.Qc2 e4 12.Nd4 Nd4 13.Bd4 Bg4 14.Qb2 g6 15.Bc4) 11...Bf5 12.g4 Bg6 13.h4 a6 14.Be2 b5 15.Qb3; D) 10.d3 D1) 10...a6 11.a4 (11.b6 Nc6 12.Be2 Nb4 13.0–0 Nd5 14.Rc1 f6 15.Nd2) 11...Nd7 12.Qb3 ab5 13.Qb5 Nf6 14.Be2 Bd7 15.Qc4; D2) 10...Bf5 11.Be2 (11.e4 Be6 12.Ne5 Nd7 13.Nd7 Bd7 14.Be2 Bb5 15.0–0) 11...a6 12.a4 ab5 13.ab5 Nd7 14.e4 Be6 15.0–0; D3) 10...Nd7 11.Be2 (11.Qb3 Nb6 12.Be2 Be6 13.Qc2 f6 14.0–0 Nd5 15.Bd2) 11...Nb6 12.0–0 Nd5 13.Bb2 f6 14.h3 Be6 15.Qd2.

9.Bc3 c6 10.Bc4 A) 10...e4 11.Nd4 c5 12.Ne2 Nd7 13.0–0 Nb6 14.Qb3 Nc4 15.Qc4; B) 10...a6 11.a4 (11.bc6 Nc6 12.d3 Bf5 13.a4 Bb4 14.Bb4 Nb4 15.0–0) 11...e4 12.Nd4 c5 13.Nb3 Be6 14.Be6 Qe6 15.Na5; C) 10...cb5 11.Bb5 e4 12.Nd4 Qg5 13.Bf1 Nd7 14.h4 Qf6 15.d3.

9.Bc3 c6 10.d4 Rd8 (10...e4 11.Nd2 (11.Ne5 Nd7 12.Nc4 Bb4 13.Bb4 Qb4 14.Nd2 Nf6 15.bc6) 11...a6 12.b6 Nd7 13.Nc4 Nf6 14.Be2 Nd5 15.Ba5; 10...Nd7 11.bc6 (11.Rb1 c5 12.d5 Nb6 13.Qb3 Bf5 14.Rd1 e4 15.Nd2) 11...bc6 12.Rb1 e4 13.Nd2 Nf6 14.Qc2 Bf5 15.Be2) 11.Qa4 (11.Qb3 ed4 12.Nd4 c5 13.Nf3 Nd7 14.Rd1 Nf6 15.Bc4) 11...ed4 (11...e4 12.Nd2+= (12.Ne5 Bf5 13.Be2 Nd7 14.bc6 Ne5 15.cb7) 12...a6 13.b6 Nd7 14.Nc4 c5 15.Nd6) 12.Qd4= f6 13.Bc4 (13.Qa4!?= cb5 14.Bb5 Na6 15.0–0) 13...Kh8–/+ 14.Rd1 cb5 15.Bb5 Be6 16.Qh4 (16.Rd2 Qc7=) 16...Ba2 17.Rd2 Bg8 18.0–0 Nc6 19.Rfd1 a5 20.Bc6 bc6 21.Nd4 Qb7 (21...Qc7 22.Nf5 Be5 23.Be5 Rd2 24.Rd2 (24.Bc7?? Rd1) 24...fe5 25.Ne7–/+) 22.Qe4 (22.Nf5 Be5 23.Ba5 Rd5 24.Rd5 Bd5+=) 22...Bb4 (22...Qc7 23.Qh4–/+) 23.Ne2 (23.Qc6!? Qc6 24.Nc6 Rd2 25.Bd2 Bd2 26.Rd2–/+) 23...Rd2–/+ 24.Rd2 Bd5 25.Qb1 c5 26.Qd3 (26.Qd1 Bg8–/+) 26...Be6 27.h3 a4 28.Bb4 cb4 29.Nd4 Bg8 30.Rd1 a3 31.Qb1 b3 32.Nb3 Qb3 33.Qb3 Bb3 (33...Bb3 34.Ra1 a2–+) 0–1. marre (2185) – Thamover (2685), Rated game, 3m + 0s, 2010.

9.Bc3 c6 10.Be2 A) 10...e4 11.Nd4 c5 12.Nb3 Nd7 13.Qc2 Nb6 14.0–0 Bf5 15.Na5; B) 10...Bf5 11.0–0 (11.Qa4 cb5 12.Qb5 Nc6 13.0–0 a6 14.Qb3 Rfc8 15.Rac1) 11...cb5 12.Bb5 a6 13.Bc4 Nd7 14.Qe2 Rac8 15.e4; C) 10...cb5 11.Bb5 (11.a3 a6 12.0–0 Nc6 13.Qc2 Be6 14.h4 h6 15.d3) 11...a6 12.Be2 Nc6 13.0–0 Bf5 14.Qb3 Rfc8 15.Rac1.

9.Bc3 c6 10.e4 A) 10...Rd8 11.Bc4 (11.Be2 cb5 12.Bb5 Bd7 13.Qe2 Nc6 14.0–0 Rac8 15.h3) 11...cb5 12.Bb5 Be6 13.0–0 f6 14.Qa4 Nd7 15.d4; B) 10...Re8 11.Bc4 (11.Be2 cb5 12.Bb5 Bd7 13.Qe2 Nc6 14.0–0 Rac8 15.Rac1) 11...a6 12.bc6 Nc6 13.0–0 Be6 14.Bd5 Nb4 15.Bb4; C) 10...Nd7 11.bc6 (11.Qc2 cb5 12.Bb5 Nf6 13.0–0 Bg4 14.Be2 Rac8 15.Rab1) 11...bc6 12.Qc2 Rb8 13.Bc4 Nc5 14.0–0 Bg4 15.Be2.

9.Bc3 Nd7 A) 10.Qc2 A1) 10...e4 11.Nd4 Nc5 12.Bb4 Re8 13.Rc1 b6 14.Qc4 a5 15.Bc5; A2) 10...g6 11.Rc1 (11.Bc4 Nb6 12.Be2 Nd5 13.0–0 Bd7 14.Bb2 e4 15.Nd4) 11...e4 12.Nd4 Re8 13.Be2 Nf6 14.0–0 Nd5 15.f4; A3) 10...Nc5 11.Be5 (11.Ne5 g6 12.Nc4 Bf5 13.d3 a6 14.b6 Rad8 15.e4) 11...Bg4 12.d4 Bf3 13.Bd6 cd6 14.gf3 Ne6 15.Be2; B) 10.Rc1 B1) 10...e4 11.Nd4 Nc5 12.Bb4 Bd7 13.Qc2 b6 14.Be2 Qg5 15.g3; B2) 10...Nb6 11.Qc2 (11.h4 e4 12.Nd4 Ba3 13.Rb1 Rd8 14.Qb3 Bc5 15.Be2) 11...e4 12.Nd4 Nd5 13.Bc4 Nc3 14.dc3 Qe5 15.Kf1; B3) 10...Nc5 11.Be5 (11.Ne5 Ne4 12.Nc4 Nc3 13.Rc3 Bb4 14.Rb3 Bf5 15.Be2) 11...Be5 12.Ne5 Ne4 13.Nd3 a6 14.Qa4 Bf5 15.Qb4; C) 10.h4 C1) 10...h6 11.Rc1 (11.Rb1 Nc5 12.Bc4 Bf5 13.d4 Ne4 14.Ba5 Rad8 15.Bd3) 11...e4 12.Nd4 Nf6 13.Bc4 Rd8 14.Qb3 Ng4 15.Be2; C2) 10...e4 11.Nd4 Nf6 12.Bc4 Bg4 13.Qc2 Rae8 14.0–0 Qe5 15.f4; C3) 10...Nc5 11.Qc2 (11.Ng5 h6 12.d4 Nd7 13.Ne4 ed4 14.Qd4 Be5 15.Qd2) 11...g6 12.Be5 Bf5 13.Qb2 Rfe8 14.Bd6 Qd6 15.h5; D) 10.Be2 D1) 10...Nf6 11.0–0 (11.Qc2 e4 12.Nd4 Nd5 13.0–0 Nc3 14.dc3 Qe5 15.g3) 11...Nd5 12.Qc2 e4 13.Nd4 Nc3 14.dc3 Qe5 15.g3; D2) 10...Nb6 11.Qc2 (11.0–0 Nd5 12.Qc2 e4 13.Nd4 Nc3 14.dc3 Qe5 15.g3) 11...Nd5 12.Qe4 Nf6 13.Qc2 e4 14.Nd4 Nd5 15.0–0; D3) 10...g6 11.Rc1 (11.0–0 Nc5 12.Be5 Be5 13.Ne5 Qe5 14.d4 Qf5 15.dc5) 11...e4 12.Nd4 Nc5 13.0–0 a6 14.Qc2 ab5 15.Nb5.

9.Bc3 Bf5 A) 10.g4 A1) 10...Bg4 11.Rg1 (11.Be2 Nd7 12.Rg1 Bf5 13.Rc1 h6 14.Bb2 Nf6 15.Qa4) 11...Bf5 12.Bc4 g6 13.h4 Nd7 14.h5 Nc5 15.Ng5; A2) 10...Bc8 11.Rg1 (11.d4 Nd7 12.Qc2 e4 13.Nd2 Nf6 14.h3 h6 15.Bg2) 11...Nd7 12.Qc2 e4 13.Nd4 Nf6 14.h3 Bh2 15.Rg2; A3) 10...Be4 11.Bg2 (11.Be2 Nd7 12.d3 Bd5 13.0–0 f6 14.Nh4 Nc5 15.Nf5) 11...Nd7 12.d3 Bd5 13.0–0 a6 14.ba6 Ra6 15.Nd2; B) 10.Be2 B1) 10...Re8 11.g4 (11.0–0 Nd7 12.h3 Nc5 13.Be5 Be5 14.Ne5 Qe5 15.d4) 11...Be6 12.Be5 Be5 13.Ne5 Bd5 14.Nf3 Nd7 15.h3; B2) 10...c5 11.d3 (11.g3 Bh3 12.Bf1 Bf1 13.Rf1 a6 14.a4 Nd7 15.Qb3) 11...a6 12.a4 Nd7 13.ba6 Ra6 14.0–0 c4 15.e4; B3) 10...Nd7 11.0–0 (11.h3 Nc5 12.0–0 h6 13.Be5 Be5 14.Ne5 Qe5 15.d4) 11...Nc5 12.Be5 Be5 13.Ne5 Qe5 14.d4 Qd6 15.dc5; C) 10.h3 C1) 10...c5 11.g4 (11.d3 a6 12.a4 Nd7 13.Be2 ab5 14.ab5 Nf6 15.0–0) 11...Bd7 12.e4 a6 13.a4 Qf6 14.Be2 Qf4 15.d3; C2) 10...h6 11.Bc4 (11.Be2 Nd7 12.0–0 Rfd8 13.a4 Nc5 14.Bc4 a5 15.ba6) 11...Nd7 12.Qe2 Nb6 13.Bb3 a6 14.0–0 ab5 15.Qb5; C3) 10...Nd7 11.Be2 (11.Bc4 Nb6 12.Qb3 Nc4 13.Qc4 a6 14.Qd5 Rfe8 15.Qb7) 11...Nc5 12.0–0 Rad8 13.Rc1 h6 14.Be5 Nd3 15.Bd6; D) 10.Bc4 D1) 10...a6 11.a4 (11.ba6 Na6 12.0–0 Nc5 13.d4 Nd7 14.Qb3 Ra3 15.Qb2) 11...ab5 12.ab5 Nd7 13.0–0 Ra1 14.Qa1 Nb6 15.Bb3; D2) 10...c6 11.0–0 (11.Qb3 a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 Nd7 15.0–0) 11...cb5 12.Bb5 a6 13.Ba4 Nc6 14.d4 Rfd8 15.Bc6; D3) 10...Nd7 11.Qe2 (11.d3 Nb6 12.Bb3 a6 13.ba6 Ra6 14.0–0 h6 15.e4) 11...Nc5 12.0–0 h6 13.Be5 Be5 14.Ne5 Qe5 15.d4.

9.Bc3 h6 A) 10.Be2 A1) 10...Bf5 11.Qa4 (11.0–0 Nd7 12.Rc1 Rfd8 13.h3 Nc5 14.Be5 Nd3 15.Bd6) 11...Nd7 12.Qh4 Qh4 13.Nh4 Be6 14.0–0 Nc5 15.Nf3; A2) 10...Nd7 11.Qc2 (11.0–0 Nc5 12.Be5 Be5 13.Ne5 Qe5 14.d4 Qg5 15.dc5) 11...Nc5 12.Ne5 Be5 13.Be5 Qe5 14.d4 Qe4 15.Qc5; A3) 10...e4 11.Nd4 Qg5 12.g3 Nd7 13.f4 ef3 14.Nf3 Qd5 15.Qb3; B) 10.Bc4 B1) 10...Nd7 11.0–0 (11.Qc2 e4 12.Nd4 Nb6 13.Bb3 Bd7 14.0–0 c5 15.bc6) 11...Nb6 12.Bb3 Bg4 13.h3 Bd7 14.Qe2 e4 15.Nd4; B2) 10...Be6 11.Be6 (11.d3 Nd7 12.0–0 Bc4 13.dc4 e4 14.Qd4 Nf6 15.Nh4) 11...Qe6 12.Qb3 Nd7 13.0–0 Qb3 14.ab3 Rfe8 15.d4; B3) 10...a6 11.a4 (11.Qb3 ab5 12.Qb5 c6 13.Qb3 Nd7 14.0–0 b5 15.Be2) 11...e4 12.Nd4 Qg5 13.g3 Bh3 14.Qb1 Re8 15.Qb3; C) 10.Qa4 C1) 10...Re8 11.Be2 (11.Rb1 Nd7 12.Qh4 Qh4 13.Nh4 Nb6 14.e4 g6 15.Nf3) 11...Nd7 12.0–0 Nc5 13.Qc2 g6 14.Be5 Be5 15.Ne5; C2) 10...Bf5 11.Nh4 (11.Qh4 Qh4 12.Nh4 Be6 13.Bd3 Nd7 14.Nf5 Rac8 15.f4) 11...Bh7 12.Qg4 Qd7 13.h3 a6 14.ba6 Qg4 15.hg4; C3) 10...Nd7 11.Qh4 (11.Be2 e4 12.Qd4 Nf6 13.Ne5 Rd8 14.h3 Bf5 15.Ng4) 11...e4 12.Qe7 Be7 13.Ne5 Rd8 14.Be2 Ne5 15.Be5; D) 10.Qc2 D1) 10...Re8 11.Bc4 (11.Rb1 Nd7 12.Be2 Nc5 13.0–0 Qf6 14.d3 Bf5 15.Rfc1) 11...a6 12.a4 ab5 13.ab5 Ra1 14.Ba1 e4 15.Qc3; D2) 10...Nd7 11.Bd3 (11.Be2 Nc5 12.0–0 Bg4 13.h3 Bh5 14.d3 Rfd8 15.Rfd1) 11...g6 12.0–0 Nc5 13.Be4 a6 14.a4 Bd7 15.Rfc1; D3) 10...e4 11.Nd4 c5 12.bc6 Nc6 13.Nc6 bc6 14.Rb1 Bf5 15.Bc4.

9.Bc3 e4

10.Nd4 c5 11.Nb3 Nd7 12.Qc2 Nb6 13.Be2 Na4 14.0–0 Bf5 15.Rad1.

10.Nd4 c5 11.bc6 Nc6 12.Nc6 bc6 13.Qc2 f5 14.Be2 Rb8 15.0–0.

10.Nd4 c5 11.bc6 Nc6 12.Nc6 bc6 13.d3 =+.

10.Nd4 c6 11.bc6 (11.d3 c5 12.Nb3 ed3 13.Bd3 Nd7 14.Qc2 g6 15.0–0) 11...Nc6 12.Nc6 bc6 13.Qc2 Rb8 14.Bc4 Qh4 15.g3.

10.Nd4 g6 11.Bc4 (11.Be2 Qg5 12.Kf1 Nd7 13.h4 Qd5 14.h5 Ne5 15.h6) 11...Nd7 12.0–0 Ne5 13.Qb3 Nc4 14.Qc4 Bd7 15.f4.

6.c4 c6

7.a4 0–0 8.c5 Bc5 9.Ne5 Ne4 +=.

7.a4 0–0 8.Be2 Bg4 9.0–0 Nbd7 (9...dc4 10.Bc4 e4 11.h3–/+) 10.Na3 e4 11.Nd4 Qe5 Threatening mate... how? (11...Qe5 12.f4 ef3 13.Bf3 Qh2 14.Kf2 Ne4 15.Ke2 Qg2 16.Kd3 Ne5 17.Kc2 Nf3 18.Nf3 Ng3 19.bc6 bc6–+ (19...Qf1?! 20.Qf1 Nf1 21.cb7–+)) 0–1. Emunds,Hans Georg – Stoeckmann,Helmut (2220), Muenster op, 1989.

7.a4 0–0 8.Be2 Bg4 9.Ba3 Ba3 10.Na3 a6 11.b6 (11.bc6 Nc6 12.cd5 Na5+=) 11...a5 12.d4 Qb4 13.Qd2 Ne4 14.Qb4 ab4 15.Nc2 (15.Nb1 ed4 16.cd5 de3 17.fe3 cd5–+) 15...b3 16.Nb4 dc4 17.Bc4 (17.Ne5!? b2 18.Rb1 Ra4 19.Bg4 Rb4 20.Bf5–+) 17...b2–+ 18.Rb1 Ra4 (18...Ra4 19.Na2 Rc4 20.Ne5 Ra4 21.Rb2 Be6–+) 0–1. cmulligan (2205) – aspasio (2475), net–chess.com, 2012.

7.a4 0–0 8.Be2 Bg4 9.c5 Bc5 10.Ne5 Be2 11.Qe2 Ne4 +=.

7.a4 e4 8.Nd4 +=.

7.a4 Bg4 8.h3 Bh5 9.g4 Bg6 10.d3 Bb4 11.Nbd2 Nfd7 12.h4 f6 13.h5 Bf7 14.Nh4 g6?? 15.hg6+– Be6 16.Nf5 Bf5 17.gf5 dc4 18.Qh5 Kd8? 19.dc4 Nc5? 20.Ba3 Ne4 21.Bb4 Qb4 22.Rd1 Kc7 23.g7 Rd8 24.g8Q?? Rg8 25.Qf7 Nd7 26.Rh7 Rad8 27.Qe6?? Rg1 28.Qe7?? c5–+ 29.Rg7 Nd2 30.Rd2 Qb1 31.Ke2 Qf1 32.Kf3 Rg7 33.Qg7?? Qc4–+ 34.Qe7 Qa4 35.Qd6?? Kc8–+ 36.Qe6 Qb5 37.Ra2 Qc6 38.Ke2 Qe6 39.fe6 Nb6 40.Ra7 Re8 41.Ra5 Re6 42.Rb5 Kc7 43.Rb2 Nc4 44.Rb1 Rc6 45.Rc1 b5 46.Kf3 Rd6 47.Ke4 (47.Ke2 Rd2 48.Kf3 f5–+) 0–1. Quast,Michael – Gretzinger,Heinz, Bayern–chI Bank Hofmann 1st, 1997.

7.c5 Bc7 =.

7.cd5 cd5 8.Be2 0–0 (8...Bf5 9.h3 (9.Nc3 Nbd7 10.Nh4 Be6 11.0–0 0–0 12.Nf3 e4 13.Nd4 Ne5 14.Rc1; 9.0–0 Nbd7 10.Nc3 0–0 11.Nh4 Be6 12.Nf3 e4 13.Nd4 Ne5 14.Rc1; 9.Nh4 Be6 10.0–0 Nbd7 11.Nc3 0–0 12.Nf3 e4 13.Nd4 Ne5 14.Rc1) 9...0–0 10.g4 Bb1 11.Rb1 Nbd7 12.Rc1 Rac8 13.Rc8 Rc8 14.Qa4; 8...Nbd7 9.Nc3 (9.0–0 0–0 10.Nc3 e4 11.Nd4 Ne5 12.Rc1 Be6 13.h3 h6 14.Qb3; 9.h3 0–0 10.Nc3 e4 11.Nd4 Nc5 12.0–0 Bd7 13.f4 ef3 14.Rf3) 9...0–0 10.0–0 e4 11.Nd4 Nc5 12.Rc1 Bd7 13.Na4 Nd3 14.Bd3; 8...h6 9.0–0 (9.Qc2 0–0 10.0–0 Bg4 11.h3 Rc8 12.Nc3 Be6 13.Rac1 Nbd7 14.d4) 9...0–0 10.Qc2 Nbd7 11.Nc3 e4 12.Nd4 Ne5 13.h3 Be6 14.Rac1) 9.0–0 Bf5 10.Nh4 (10.Nc3 Nbd7 11.Rc1 Rac8 12.Nh4 Be6 13.Nf3 h6 14.h3) 10...Be6 11.f4 (11.Nc3 Nbd7 12.Nf3 Rfd8 13.Rc1 h6 14.h3) 11...ef4 12.ef4 Ne4 (12...Re8 13.Bd3 Bc5 14.Kh1) 13.g3 (13.Qe1 Bc5 14.Kh1) 13...Bh3 14.Ng2 (14.Nc3–/+) 14...Nd7 15.Re1 (15.Nc3!? Ndf6 16.Re1+=) 15...Bc5–/+ 16.d4 Bb4 17.Rf1 Rfc8 18.Rf3 Rc7 19.a4 Rac8 20.Re3 Ndf6 21.Na3 Qd7 22.Rb3 Nc3 23.Bc3 Bc3 (23...Rc3?! 24.Rb4 Qe7 25.Rbb1+=) 24.Rc1?? (better is 24.Ra2 Ne4 25.Rc2–+) 24...Bd4! 25.Qd4 Rc1 26.Kf2 (26.Bf1 Rf1! 27.Kf1 Rc1 28.Kf2 Ne4 29.Ke3 Bg2–+) 26...Ne4 27.Qe4 (27.Ke3 Bg2 28.Rd3–+) 27...de4 28.b6 Qd4 29.Re3 Rh1 30.Nb5 Qa1 31.Re4 Qg1 32.Kf3 Bg2 33.Kg4 Be4 (33...h5 34.Kg5 f6 35.Kf5 Qc5 36.Re5 Qc2 37.Ke6 Re8 38.Kd6 Qc6) 34.f5 (34.Nc3 f5 35.Kg5 h6 36.Kh5 Qh2 37.Kg6 Rc6) 34...Qe3 35.h4 (35.h3 f6 36.Bc4 Rc4 37.ba7 Qg5) 35...Bf5! 36.Kf5 (36.Kf5 Rc5 Mate attack) 36...Rc5 37.Kg4 Qe4# 0–1. Tomasi,Stephane (1750) – Maruejols,Claude (1950), Provence–ch Principal, 1995.

7.cd5 Nd5 8.Nc3 (8.Qb3 Nd7 9.bc6 bc6 10.Nc3 Rb8 11.Nd5 cd5 12.Qc2 0–0 13.Be2 Nf6 14.0–0) 8...Nc3 9.Bc3 e4 10.Nd4 0–0 11.d3 c5 12.Nb3 Nd7 13.de4 Nb6 14.Qc2.

7.Be2 0–0 8.cd5 A) 8...cd5 9.0–0 (9.Nc3 Be6 10.Ng5 Nbd7 11.Ne6 Qe6 12.0–0 Rfc8 13.Re1 h6 14.g3 e4 15.d4; 9.h3 Bf5 10.0–0 e4 11.Nh4 Be6 12.f4 ef3 13.Nf3 Ne4 14.Nc3 Ng3 15.Rf2) 9...Bf5 10.Nc3 Nbd7 11.Rc1 Rfc8 12.d3 h6 13.Re1 Qe6 14.h3 Bg6 15.Nh4; B) 8...Nd5 9.Nc3 Nc3 10.Bc3 cb5 11.Bb5 e4 12.Nd4 Qg5 13.Bf1 Nd7 14.h4 Qf6 15.Nb5; C) 8...e4 9.Nd4 c5 10.Nb3 Nd5 11.Nc3 Nc3 12.Bc3 Nd7 13.Qc2 Nb6 14.0–0 Bf5 15.Na5.

7.Be2 dc4 8.Nc3 e4 9.Nd4 c5 10.Nc2 0–0 11.Na3 Nbd7 12.0–0 Ne5 13.Nc4 Bc7 14.Rc1 Nc4 15.Bc4.

7.Be2 dc4 8.Bc4 A) 8...0–0 9.Nc3 (9.a4 e4 10.Ng5 cb5 11.ab5 Nbd7 12.f3 h6 13.Ne4 Ne4 14.fe4 Qe4 15.Qe2) 9...e4 10.Nd4 c5 11.Nde2 Nbd7 12.Nf4 Ne5 13.Be2 Rd8 14.Qc2 Bf5 15.0–0; B) 8...a6 9.a4 (9.Qa4 e4 10.Nd4 0–0 11.bc6 Nc6 12.Nc6 bc6 13.Bf6 Qf6 14.Nc3 Rb8 15.Rc1; 9.bc6 Nc6 10.Ng5 0–0 11.Nc3 e4 12.Qb1 Bf5 13.g4 Ng4 14.Nce4 Nce5 15.Bd5) 9...ab5 10.ab5 Ra1 11.Ba1 0–0 12.Bb2 e4 13.Ng5 Bf5 14.Qc2 cb5 15.Bb5; C) 8...cb5 9.Bb5 Bd7 (9...Nc6 10.Nc3 0–0 11.Ng5 e4 12.f3 ef3 13.gf3 Bf5 14.Qb3 Nd4 15.Nd5) 10.Bd7 (10.Nc3 0–0 11.d3 a6 12.Bd7 Nbd7 13.0–0 Rac8 14.Rc1 Nc5 15.Re1) 10...Nbd7 11.0–0+= (11.Nc3 0–0 12.0–0 Nc5 13.d3 Rad8 14.Na4 Rc8 15.Nc5) 11...e4 12.Nd4 0–0 13.Nc3 Rfc8 14.Ncb5 g6 15.d3.

7.Be2 e4 8.Nd4 dc4 9.Bc4 (9.a4 c5 10.Nc2 Nbd7 11.Nba3 0–0 12.0–0 Be5 13.Be5 Ne5 14.Nc4 Nc4 15.Bc4; 9.Nc3 0–0 10.Bc4 c5 11.Nb3 Nbd7 12.Qc2 Nb6 13.Be2 Bf5 14.f4 h5 15.0–0) 9...c5 10.Ne2 Nbd7 11.Nf4 Ne5 12.Be5 Be5 13.Nc3 0–0 14.0–0 Qd6 15.h3.

7.d4 ed4

8.Qd4 0–0 9.Bd3 dc4=+ 10.Qc4 cb5 11.Qh4 Nbd7 12.Nc3 h6 13.Bb5 Ne5 14.0–0 a6 15.Be2 Ng6=+ 16.Qa4 Bd7 17.Qb3 Be6=+ 18.Bc4 Bc4 19.Qc4 Ne5 20.Qe2 Nf3 21.Qf3 Rac8 22.g3 Be5=+ 23.Rfc1 Rfe8 24.Qe2 b5 25.a3 Qe6 26.Nd1=+ Bb2 27.Qb2 Qh3 28.Rc8 Rc8 29.Qe2 Ng4 30.f3 Ne5–/+ 31.Nf2 Qf5 32.Kg2 Rc2–+ 33.Qd1?? Ng4! 34.Qd8 Kh7 35.Rf1 Ne3 (36.Kg1 Qf3 37.Qd3 f5 38.Qe3 Qe3–+; 35...Rf2 36.Kg1 Rf1 37.Kf1 Qf3 38.Ke1 Qf2 39.Kd1 Ne3 40.Kc1 Qc2#) 0–1. Schulze,Harald (2125) – Grabert,Ralf (2075), Regionalliga NO, 2001.

8.Qd4 0–0 9.cd5 Bc5 10.Qe5 Qe5 11.Be5 Nd5 12.Nbd2 cb5 13.Bb5 a6 14.Bc4 Be6 15.e4 Nb4 16.Be6 fe6 17.Ke2 N8c6 18.Rhc1 Ne5 19.Rc5 Ned3 20.Rc3 Nf4 21.Kf1 Rac8 22.Rb3 Nc2 23.Rab1 b5 24.g3 Ng6 25.Rd3 Rfd8 26.Rd8 Rd8 27.h3 Kf7 28.Nb3 Na3 29.Ng5 Ke7 30.Rc1 Nc4 31.Nh7 Nge5 32.Ng5 Nd3 33.Ra1 Kf6 34.Nf3 e5 35.a4 Nb4 36.ab5 ab5 37.Ke2 Nd6 38.Nfd2 Rc8 39.Rc1 Rc1 40.Nc1 Nc6 41.f4 Nc4 42.Nf3 Ke6 43.h4 Nd6 44.Kd3 g6 45.Nb3 Nc4 46.Kc3 Ne3 47.fe5+– Ne5 48.Nfd4 Kf6 49.Nd2 Nd1 50.Kb4 Nc4 51.N2f3 Nf2 52.Nb5 Ne5 53.Ng5 Nf7 54.Nf7 Kf7 55.Nc3 Ke6 56.Ne2 Ne4 57.Kc4 Kf5 58.Kd4 ½–½. Taulien,Hans_Juergen – Zielinski,Sergej, remoteschach.de, 2003.

8.Qd4 0–0 9.cd5 cd5 10.Bd3 Nbd7 =.

8.Qd4 0–0 9.cd5 Rd8 10.Nc3 Bb4 11.a3 Ba5 12.Nd2 Be6 13.Rd1 Bd5 14.Qh4 =.

8.Qd4 dc4 9.Bc4= cb5 10.Bb5 Bd7 11.Bd7 Nbd7 12.0–0 0–0 13.Rd1 Rfd8 14.Nbd2 b6 15.Rac1 Bc5 16.Qh4 Rac8 17.Nb3 Ba3 18.Rc8 Rc8 19.Ba1 Rc2 20.Qa4 Rc7 21.Qf4 Rc6 22.Nfd4+= Rd6 23.Nd2 Rd5 24.e4 Bd6 25.Qf3 Rh5 26.Nf5 Bh2 27.Kh1 Rf5 28.Qf5 Be5 29.Be5 (29...Ne5 30.Rc1+/–) 1–0. Van Rooijen,Peter – de Visser,Arno, Orang–Utan Invitational, 2002.

8.Qd4 c5 9.Qd2 Be6 10.Ng5 =.

8.Qd4 c5 9.Qd3 dc4 10.Qc3 =.

8.Nd4 0–0 9.cd5 Nd5 10.Nc3 Bb4 11.Qb3 Rd8 12.Bc4 Bc3 13.Bc3 Nc3 14.Qc3= cb5 15.Bb5 Bd7 16.Bd7 Nd7 17.Rc1 Nf6 18.0–0 Nd5 19.Qb2 Rd7 20.Nf5 Qg5 21.Qe5 Rad8 22.Rcd1 Kf8 23.h4 Qf6 24.Qf6 Nf6 25.Rd7 Rd7 26.Rc1 g6 27.Nd4 Ke7 28.Kf1 Nd5 29.g4 h6. Taulien,Hans_Juergen – Keber,Ernst, remoteschach.de, 2003.

8.Nd4 c5 9.Ne2 dc4 10.Nd2 Bc7 11.Nc3 0–0 12.Bc4 Rd8 13.Qc2 =.

7.d4 e4=+

8.Nfd2 0–0 9.Nc3 Be6 10.c5 Bc7 11.Be2 Nbd7 12.Qa4 Nc5 13.dc5+/– Qc5 14.Rc1 Qd6 15.bc6 bc6 16.Ba3 (16…c5 17.Bb2+=). Taulien,Hans_Juergen – Hansch,Torsten, remoteschach.de, 2002.

8.Nfd2 0–0 9.Nc3 Be6 10.c5 Bc7 11.Be2 Ne8 12.Qb3 Nd7 13.bc6 bc6 14.Rb1 Qg5 15.g3 Nef6 16.Ba6 Nc5?? 17.dc5+– d4 18.Qa4?? dc3= 19.Bc3 Be5 20.h4 Qf5 21.Be5 Qe5 22.Qc6 Qc3 23.Qb5 Rfd8 24.Qb4=+ Qc2 25.Nc4 Nd7 26.0–0 Rab8=+ 27.Qd2 Qd2 28.Nd2 Nc5 29.Rb8 Rb8 30.Bc4 Bc4 (30...Rb2 31.Be6 fe6 32.Rd1 Ra2 33.Kg2–/+) ½–½. Van Rooijen,Peter (1705) – Dorer,Manfred (1850), PCM–02–G12 TSC, 2003.

8.Nfd2 0–0 9.Nc3 Bg4 10.Qc2 =+.

8.Nfd2 0–0 9.c5 Bc7 =+.

8.Nfd2 Bg4 9.Be2 Be2 10.Qe2 dc4 11.Qc4 =+.

8.Ne5 0–0 =+.

7.Be2 Bg4

8.Qc2 0–0 9.Nc3 (9.h3 Bf3 10.gf3 cb5 11.cd5 b4 12.a3 Na6 13.Ba6 ba6 14.ab4 Nd5 15.Nc3; 9.cd5 cd5 10.h3 Bh5 11.0–0 e4 12.Nd4 Be2 13.Ne2 Nbd7 14.Bd4 Rfc8 15.Nbc3) 9...Nbd7+= 10.cd5 cd5 11.h3 Bh5 12.0–0 Rac8 13.d3 d4 14.ed4 ed4 15.Nd4.

8.Qc2 a6 9.cd5 (9.h3 Bf3 10.gf3 0–0 11.bc6 Nc6 12.cd5 Nd5 13.Qb3 Ndb4 14.Nc3 b5 15.a3; 9.a4 ab5 10.cb5 0–0 11.Nc3 Nbd7 12.bc6 bc6 13.h3 Bh5 14.0–0 Rab8 15.Rab1) 9...Nd5 10.Nc3 Nb4 11.Qb1 0–0 12.a3 Nd5 13.bc6 bc6 14.h3 Be6 15.Nd5.

8.Qc2 dc4 9.Bc4 (9.Nc3 a6 10.bc6 Nc6 11.Bc4 Nb4 12.Qb3 b5 13.Be2 0–0 14.0–0 Rac8 15.a3; 9.a4 0–0 10.Bc4 cb5 11.ab5 Nbd7 12.Nc3 Rfc8 13.Ba2 Nc5 14.Ng5 Ne6 15.Ne6) 9...0–0 10.Nc3 a6 11.a4 g6 12.0–0 e4 13.Nd4 Rc8 14.d3 ed3 15.Bd3.

8.Qc2 Nbd7 9.d4 (better is 9.bc6!? bc6 10.h3+= (10.cd5 cd5 11.Nc3 0–0 12.h3 Bh5 13.0–0 Rfc8 14.Rfe1 Rab8 15.Rac1) 10...Bf3 11.gf3 d4 12.Rg1 0–0 13.ed4 ed4 14.Bd4 Be5 15.Bc3; 9.Nc3 0–0 10.0–0 d4 11.ed4 ed4 12.Nd4 Qe5 13.g3 Qd4 14.Na4 Qb2 15.Nb2; 9.h3 Bf3 10.gf3 cb5 11.cd5 b4 12.a3 Nd5 13.Qb3 Qe6 14.ab4 Nb4 15.Qe6; 9.cd5 cd5 10.Nc3 Rc8 11.h3 Bf3 12.Bf3 d4 13.Bb7 Rc4 14.0–0 dc3 15.Bc3) 9...e4 (9...0–0 10.bc6 (10.c5 Bc7 11.bc6 bc6 12.h3 Bh5 13.Nc3 Bf3 14.gf3 ed4 15.ed4) 10...bc6 11.h3–/+ Bf3 12.Bf3 ed4 13.Bd4 Ne5 14.cd5 cd5 15.Nc3) 10.Ng1 (10.bc6 A) worse is 10...ef3 11.gf3 Bh3 (11...Be6 12.cd7 Qd7 13.c5 Bc7 14.Nc3 0–0 15.0–0) 12.c5 Nc5 13.dc5 Bc5 14.cb7 Bb4 15.Bc3 Bc3 16.Nc3 (worse is 16.Qc3 Qb7 17.Rg1 Rc8=) 16...Qb7 17.Rb1+/–; B) 10...bc6 11.Nh4 Qe6–/+ 12.c5 Bc7 13.Ba6 0–0 14.Nc3 Bh5 15.h3; 10.Nh4 cb5 11.c5 Bc7 12.Nc3 b4 13.Nb5 Bb8 14.c6 bc6 15.Qc6) 10...Be6 (10...0–0 11.Nc3 (11.c5 Bc7 12.Nc3 h5 13.Nh3 Be2 14.Qe2 Ng4 15.g3) 11...Be2 (11...Qe6 12.c5 Bc7 13.h3 Bf5 14.g4 Bg6 15.g5) 12.Nge2 dc4 13.bc6 (13.0–0 Rab8 14.Ng3 Bg3 15.hg3) 13...bc6 14.0–0–/+ (14.Rb1 Nb6 15.0–0) 14...Rab8 15.Rab1) 11.a4 (better is 11.c5!? Bc7 12.Nc3+= 0–0 13.Qa4 cb5 14.Nb5 Rfc8 15.Ba3) 11...0–0 12.a5 (12.c5 Bc7–/+ 13.Nc3 Rab8 14.a5 a6 15.b6; 12.bc6 bc6 13.cd5 cd5 14.Nc3 Rfc8 15.Rc1) 12...c5 (12...Bb4 13.Nc3 c5 (13...dc4 14.bc6 bc6 15.Nh3) 14.Nh3 cd4 (14...dc4 15.0–0) 15.ed4 dc4 16.Nf4–+; 12...cb5 13.c5 Bc7 14.Bb5 Ng4 15.Nc3) 13.Nd2 (13.cd5 Nd5 14.Nd2 cd4 15.Bd4) 13...Rac8 (better is 13...cd4 14.Bd4 Be5–+ 15.c5; 13...dc4 14.Nc4 Bc4 15.dc5) 14.Qa4? (better is 14.a6 b6 15.Nh3–+; 14.Nh3 cd4 15.Bd4) 14...cd4 15.ed4 dc4 16.Bc4 (16.Rc1–+) 16...Bc4 17.Nc4 Bb4 (17...Bb4 18.Kf1 Rc4–+) 0–1. Chirpii,Alexandru (1965) – Mutu,Veaceslav (2160), Cupa ULIM, Kishinev MDA, 2005.

8.Qc2 e4 9.Bf6 (9.Nd4 Be2 10.Ke2 Qd7 11.cd5 cd5 12.Rc1 0–0 13.h3 a6 14.Na3 ab5 15.Nab5) 9...Qf6 10.Nd4 Be2 11.Ke2 c5 12.Nb3 Qg5 13.Nc3 Qg2 14.Rag1 Qf3 15.Ke1.

8.Nc3 A) 8...d4 9.Na4 cb5 10.cb5 de3 11.de3 0–0 12.0–0 Nbd7 13.h3 Bf5 14.Rc1 Rac8 15.Nd2; B) 8...dc4 9.Bc4 (9.h3 Be6 10.Ng5 0–0 11.Ne6 Qe6 12.Qa4 Nbd7 13.Qc4 Qc4 14.Bc4 e4 15.d4) 9...a6 10.bc6 Nc6 11.h3 Be6 12.Be6 Qe6 13.0–0 0–0 14.d3 Rac8 15.Ng5; C) 8...0–0 9.bc6 (9.cd5 cd5 10.h3 Bf3 11.Bf3 e4 12.Be2 Nbd7 13.d4 ed3 14.Qd3 Qe6 15.0–0; 9.d4 Bf3 10.gf3 Nbd7 11.0–0 ed4 12.Qd4 Be5 13.Qd2 dc4 14.bc6 bc6 15.Bc4) 9...dc4 10.cb7 Qb7 11.Rb1 Qc6 12.0–0 Nbd7 13.Qc2 Bh5 14.Nh4 Be2 15.Ne2; D) 8...Nbd7 9.0–0 (9.bc6 bc6 10.cd5 cd5 11.0–0 Rb8 12.Nb5 0–0 13.Rb1 Bf5 14.Rc1 a6 15.Nd6; 9.h3 Bf3 10.Bf3 e4 11.Be2 dc4 12.bc6 bc6 13.Bc4 Ne5 14.Qe2 Rb8 15.Rb1; 9.cd5 cd5 10.h3 Bf3 11.Bf3 e4 12.Be2 Nc5 13.Na4 Ne6 14.0–0 0–0 15.Qb3; 9.d4 dc4 10.bc6 bc6 11.de5 Ne5 12.Ne5 Be5 13.Bg4 Qb4 14.Qc2 Ng4 15.Rb1) 9...0–0 10.h3 Bf3 11.Bf3 e4 12.Be2 Qe5 13.g3 cb5 14.cb5 Qf5 15.d3.

8.cd5 A) 8...Bf3 9.gf3 (9.Bf3 cd5 10.Nc3 e4 11.Be2 Nbd7 12.0–0 0–0 13.d4 Qe6 14.Rc1 h6 15.Qb3) 9...cd5 10.Nc3 Nbd7 11.Rg1 0–0 12.Rc1 Rfc8 13.Bd3 g6 14.h4 Qe6 15.h5; B) 8...cd5 9.h3 (9.Nc3 0–0 10.h3 Bf3 11.Bf3 e4 12.Be2 Nbd7 13.d4 ed3 14.Qd3 Be5 15.0–0; 9.0–0 0–0 10.Nc3 Nbd7 11.Rc1 h6 12.h3 Be6 13.d4 e4 14.Nd2 Rfc8 15.Qb3) 9...Bf3 10.Bf3 e4= 11.Be2 Nbd7 12.Nc3 Nc5 13.0–0 0–0 14.d4 ed3 15.Bd3.

8.h3 Bf3 9.gf3 0–0 10.Rg1 Nbd7 11.bc6 bc6 12.cd5 Rab8 13.dc6 Rb2 14.cd7 Qd7 15.Nc3.

6.d4 e4–/+

7.Nfd2 0–0 8.Be2 (8.c4 Bg4 9.Qb3 dc4 10.Bc4 Nbd7+=) 8...a6 9.a4 (9.ba6 Na6 10.c4 c5+=) 9...ab5 10.ab5 Ra1 11.Ba1 Be6 12.c4 dc4 13.Nc3 Bb4 14.Nc4 (14.0–0 c6 15.bc6 Nc6+=) 14...Nbd7 (14...Nd5!? 15.Qc2 Qg5–/+) 15.0–0= Ra8 16.Qc2 Bc4 17.Bc4 Nb6 18.Be2 Bc3 (18...Qe6 19.Rc1=) 19.Bc3 Nfd5 20.Ra1 Ra1 21.Ba1 f5 22.Qc5 Qd6 23.Bb2 Na4 24.Qd6 cd6 25.Bc4 (25.Ba3 Ndc3 26.Bf1 d5=) 25...Nab6 26.Bd5 Nd5 27.Ba3 Nc7 28.Bd6 The passed pawn on d4 will become decisive later (28.b6 Nd5+=) 28...Nb5+= 29.Be5 Nc3 30.Kf1 g6 31.Ke1 Kf7 32.Kd2 Nd5 33.Kc2 (33.f3 b5+=) 33...Ke6 (33...Nb4 34.Kc3 Nd3 35.f3+=) 34.Kb2 (34.Kb3 g5+=) 34...b5 (34...Nb4 35.Bg3–/+) 35.g3 (35.Kb3 g5–/+) 35...g5 (35...Nb4 36.Kc3 Nd3 37.f4–/+) 36.h3 h5 (36...Nb4 37.Kc3 Nd3 38.f4–/+) 37.h4 (37.Kb3 g4 38.hg4 hg4+=) 37...gh4–/+ 38.gh4 Kd7 (38...Nb4 39.Kc3 Nd3 40.f4–/+) 39.Bg3 Kc6 40.Kb3 Nb6 41.Kb4 Nc4 (41...Nd7 42.Kb3+=) 42.Bf4 (42.Kc3!?=) 42...Nd2 Black gets the initiative 43.Bg3 Nf3 44.Ka5 (better is 44.d5 Kd5 45.Kb5+=) 44...f4–+ 45.ef4 Nd4 46.Kb4 Nf5 47.Kc3 Kc5 48.Kb3 b4 (48...Ng3 49.Ka3–+) 49.Kc2 (49.Bh2 Nh4 50.Kb2 Nf3–+) 49...Kc4 (better is 49...Ng3 50.Kd2–+) 50.Kb2 b3 (50...b3 51.Bh2 Nh4–+) 0–1. Borkowski,A – Easton,Alex, Bristol op, 1996.

7.Nfd2 Bg4 8.Be2 Be2 9.Qe2 +=.

7.Nfd2 Bg4 8.Be2 Be6 9.c4 dc4 10.Nc4 Bc4 11.Bc4 0–0 12.0–0 Nbd7 13.a4 Nb6 14.Be2 Nbd5 15.Nc3 Rfd8 16.Nd5 Nd5 17.Qb3 Rd7 18.g3 Qg5 19.Bc4 Nf6 20.Be2 h5 21.h4 Qf5 22.Kg2 Re8 23.Rac1 Nd5 24.Ba3 Re6 25.Bd6 Red6 (worse is 25...cd6 26.Bc4 Nc7 27.Be6 fe6 28.Qc3+–; 25...Rdd6?! 26.Qd1=) 26.Rc5 Qe6 27.Qd1 g6 28.Bc4 Qf6 29.Be2 b6 30.Rc4 c5 31.bc6 Rc7 (worse is 31...Rc6 32.Rc6 Qc6 33.Bb5+/–) 32.Qc2 Rdc6 33.Rc6 Qc6 34.Qe4?? (better is 34.Qc6 Rc6 35.Ba6=) 34...Ne3!–+ 35.Kf3 Qe4 36.Ke4 Nf1 37.Bf1 Rc1 38.Bb5 Kf8 39.d5 Ke7 40.Bc6 Kd6 41.Be8?? Re1 (41...Re1 42.Kf4 Re8–+) 0–1. Schwichtenberg,Juergen (1670) – Waisberg,Arnold (2010), Wch Seniors, 2003.

7.Nfd2 Ng4 8.Be2 Qg5 9.Ba3 Ne3 (9...Qh4 10.g3 Qg5=) 10.fe3+= Bh2 11.Nf1 (11.Rh2 Decoy to h2 11...Qg3 Theme: Double Attack) 11...Bd6 (11...Bg3!? 12.Kd2 Bf2+=) 12.Rh5 (12.Bd6 cd6 13.g3 Be6+–) 12...Qg2 (12...Qe7 13.Bd6 Qd6 14.Re5 Be6 15.Nbd2+/–) 13.Bd6 cd6 14.Nc3 g6 (14...Be6 15.Nd5 Bd5 16.Rd5+–) 15.Rd5 (15.Nd5 Nd7+–) 15...h5 (15...Kd7 16.Bc4+–) 16.Rd6 h4 (16...Bg4 17.Bg4 hg4 18.Nd5+–) 17.d5 (17.Nd5 g5+–) 17...Bf5? (better is 17...Nd7+–) 18.Qd4 0–0 (18...f6 19.Qf6 Nd7 20.Qh8 Nf8 21.Rf6+–) 19.Qe5 (19.Qf6 h3 20.Rd1 h2 21.Nh2 Qh2+/–) 19...Rc8 (19...Nd7 20.Qe7 Rac8 21.Ne4+/– (21.Rd7?! Bd7 22.Kd2 Rfd8+/–)) 20.Rd1 h3 (20...Nd7 21.Qd4+–) 21.Rd2 (21.Rf6 Nd7 22.Qd4 h2 23.Nh2 Qg3 24.Kd2 Nf6 25.Qf6 Qh2+=) 21...a6 (21...Nd7 22.Qd4+–) 22.a4 (22.a4 Nd7 23.Qd4+=; 22.ba6 Nd7 23.Rd7 Bd7 24.ab7 Qh1+–) 1–0. Benassi,Aspasio (2150) – Krzyzanowski,Patryk (2225), IECG, 2002.

7.Nfd2 Ng4 8.Be2 Qg5 9.g3 h5–/+ 10.Rg1 (10.c4 h4 11.gh4 Rh4–/+ (11...Qh4 12.Bg4 Bg4 13.Qc2 Nd7 14.Nc3 Nf6 15.cd5 Bf5 16.0–0–0) 12.Qc2 Rh3 13.cd5 Nf2 14.Kf2 Bg3 15.Kf1 Qf6 16.Bf3; 10.Ba3 Ba3 11.Na3 h4 12.Nf1 a6 13.Rg1 Nf6 14.c4 dc4 15.Bc4 0–0 16.Nd2) 10...Nh2 (10...Nd7 11.c4 Qf5 12.Rg2 0–0 13.cd5 Nb6 14.Nc3 Re8 15.Nc4 Nc4 16.Bc4) 11.c4 h4 12.Ba3 Bg3 (12...Ba3!? 13.Na3 Be6–/+ 14.cd5 Bd5 15.Qc2 Qe7 16.gh4) 13.Qb3= (13.fg3?? Qe3 14.Rg2 hg3–+ (14...Qd4?! 15.Rh2 Qa1 16.cd5–/+)) 13...Bf2 (13...Bg4 14.fg3 (14.cd5 Be2 15.Ke2 Nf3 16.Nf3) 14...Be2 (14...hg3 15.Bg4 Ng4 16.cd5) 15.Ke2 hg3 (15...Qg4 16.Ke1) 16.Qb4= (16.cd5?? Qh5 17.Ke1 Nf3 18.Nf3 Qf3–+); 13...Be6 14.fg3 hg3 15.Nc3 Qe3 16.0–0–0) 14.Kf2 Qf6 (14...Bg4 15.cd5 (15.Nc3 h3 16.Nd5) 15...h3 16.Ne4= (16.Ke1=)) 15.Ke1+= h3 16.Nc3 (better is 16.cd5!? Qh4 17.Kd1+=) 16...Ng4–/+ 17.Nf1 Qf2 18.Kd2 Bd7 (18...Ne5 19.de5 Qg1 20.Nd5 c5+=) 19.Qb4 Kd8 20.Nd5 (better is 20.Rg3 h2 21.Qe7 Kc8 22.Rh3=) 20...Nf6?? (20...Qg1 21.Bg4 Qf2 22.Kc3 Qh4+–) 21.Rg7 (21.Qe7 Kc8 22.Rg7 Nd5 23.cd5 Bb5+–) 21...Nd5 22.cd5 Qf6 23.Ng3?? (23.Rc1 h2 24.Nh2 Rh2 25.Qf8 Be8+–) 23...a5?? (23...Qg7 24.Qe7 Kc8=) 24.ba6+– Na6 25.Qb7 Rb8 26.Qa6 Qa6?? 27.Ba6 Ra8 28.Bc4 Ra3 29.Ne4 Re8 30.Ng5 1–0. Schlaeger,Michael (2270) – Hanel,Roland (2075), RSLE–2010, 2010.

7.Nfd2 Ng4 8.Be2 Qg5 9.h4 Qg6 10.Nf1 Nf6 11.g3 0–0 12.h5 Qg5 13.Ba3 Ba3 (13...Ba3 14.Na3 h6+=). Van Rooijen,Peter (1625) – Merrifield,David (1910), CFriend SI–2004–0–00018 email, 2004.

7.Ne5 Nbd7 8.Nd7 Bd7 9.c4 dc4 10.Bc4 Bh2 11.Qc2 Bd6 12.Nc3 Be6 13.d5 Bg4 14.Qa4 0–0 15.Qc2 Rfe8 16.Kd2 Rad8 17.Rae1 Bb4 18.Kc1 Bf5 19.Qe2 Bg6 20.f4 ef3 21.gf3 Bc3 22.Bc3 Nd5 23.Bd5 Rd5 24.e4 Qa3 25.Bb2 Qc5 (26.Qc2 Qc2 27.Kc2 Rb5–+; better is 25...Qa2!? 26.Qe3 Qc4 27.Kb1 Rb5 28.Rc1–+) 0–1. Gedigk,Detlef – Lohr, corr SOK–88–18, 1988.

6.Be2 0–0

7.0–0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 c6 11.c4 Qc7?? 12.cd5 e4=+ 13.Ng5 cd5 14.f4=+ Be7 15.Be5 Bd6 16.Bf6 gf6 17.Nh3 Bh3 18.gh3 d4 19.Bg4 Qc5 20.Qb3 f5 21.Be2 Nd7 22.Kh1. Husslein – Lohr, corr, 1989.

7.0–0 c5 8.a4 e4 9.Ne1 Bf5 10.f3 ef3 11.Nf3 Nbd7 12.a5 Rae8 13.Nc3 Ne5 14.a6 b6 15.Nh4 Bd7 16.g3 Bh3 17.Nf5 Qd7 18.Nh6 (18.Nd6 Qd6 19.Rf4 Re7=) 18...Kh8+= 19.Rf6 gf6 20.Nd5 Qe6?? (better is 20...Kg7 21.d4 Rd8=) 21.Nf4+– Rd8?? (better is 21...Qd7 22.g4 Bg4 23.Bg4 Qb5+–) 22.Ne6 (22.Ne6 fe6 23.Ra4+–) 1–0. b4_player – ksew, casual, 2013.

7.0–0 c5 8.bc6 bc6 9.d4 e4 10.Nfd2 Re8 11.c4= Qc7 12.g3 Bh3=+ 13.Re1 Nbd7 14.c5 Be7 15.Bc3 a5 16.a3 Ra7 17.Nb3 Rea8 18.a4=+ Bd8 19.Na3 Nf8 20.Rb1 Qc8 21.f3 ef3=+ 22.Bf3 Bf5 23.Rb2 Ne6 24.Nd2 Ng5 25.Re2 Nf3–/+ 26.Nf3 Ne4 27.Nb1 Bg4 28.Re1 Ng5 29.Nbd2–/+ Qf5 30.Rf1 Qd3 31.Rb3 Nf3 32.Rf3 Bg5 33.Ba5 Be3 34.Kg2 Bf3 35.Qf3 Qd4 36.Bc3 Qc5 37.Bb4 Qd4 38.Qe3 Qe3 39.Re3 Ra4 40.Bc5 Ra2 41.Re2 Rc2 42.Bd6 h6 43.Kf3 Raa2 44.Ke3 c5 45.Kd3 c4 46.Ke3 c3 (47.Kf3 Rd2 48.Re8 Kh7–+) 0–1. Wozniak,Andrzej – Noskowicz,Krzysztof, corr 1. AMM Poland, 1990.

7.0–0 c6 8.a4 (8.Nc3 Bf5+=) 8...Re8 (8...e4!? 9.Ne1 Nbd7–/+) 9.d3 Bg4 10.c4 d4 (10...Nbd7 11.Nc3+=) 11.Re1 (11.h3 Bh5=) 11...Bb4 12.Nbd2 de3 13.fe3 Nbd7 14.e4 (14.h3 Bf3 15.Bf3 Nc5–/+) 14...Rad8 (14...Qd6 15.Qc2 Bf3 16.Bf3 Nc5–+) 15.Qb3? (better is 15.Qc2!?+=) 15...Bf3–+ 16.Nf3 Be1 17.Re1 c5 (17...Nc5!? 18.Qc2 Qd6 19.Ba3–+) 18.a5–/+ b6 (18...Qd6 19.Nh4–/+) 19.a6 Ng4 20.h3 Nh6 21.Bc1 Nf8 22.Bh6 (22.Bg5!? f6 23.Bh6 gh6 24.Nh4–/+) 22...gh6–/+ 23.Qc2 Ne6 24.g3 (24.Ne5?? Nd4 25.Qd2 Qe5–+) 24...Kh8 25.Rf1 (25.Ne5?? Nd4 26.Nf7 Qf7–+) 25...f6 26.Nh4 Nd4 27.Qd2 Qg7 28.Kh2 Rg8 29.Rg1 Qg5 30.Qd1 Qe3 31.Bf1?? (better is 31.Bg4–+) 31...Rd7 32.Rg2 Rdg7 33.g4 h5! 34.Be2 hg4 35.Rg4 Qf2 36.Ng2 Ne2 (36...Ne2 37.Qe1 Qe1 38.Ne1 Rg4 39.hg4 Rg4–+) 0–1. Nikolic,Jovane (1695) – Lobo,Marcelo De Souza (1795), Sao Bernardo do Campo BRA, 4th Open, 2012.

7.0–0 e4 8.Nd4 Qe5 9.g3 c5 10.bc6 Nc6 11.Na3 Bh3 12.Re1 a6 13.c4 Qg5 14.Nc6 bc6 15.Nc2 Rab8 16.Rb1 Ng4 17.cd5 cd5 18.Nd4 (18.Ba6? Rb2 19.Rb2 Qf6–+) 18...Ne5 19.Bc3 h5 20.Ba6 h4 21.Rb8 Rb8 22.Bf1 Bg4 23.Be2 Nd3 24.Bg4 Ne1 25.Be2 Nd3 26.Bd3 ed3 27.a4 hg3 28.hg3 Bg3 29.Nf3 Bh2 30.Kh2 Qh5 31.Kg2 Rb6 32.Be5 Rh6 33.Bh2 Qh3 34.Kg1 g5 35.Qb1 Qg4 36.Bg3 Qf3 37.Bh2 Qg4 38.Bg3 Kg7 39.Qb2 Kh7 40.Qb3 Qh5 (40...Qh5 41.Qd3 Kg8–+) 0–1. Fernandez Fornes – Blanco Gramajo, Latin Am zt16 final corr, 2002.

7.0–0 e4 8.Nd4 Qe5 9.g3 c5 10.bc6 Nc6 11.f4 ef3 12.Bf3 Bc5 =+.

7.0–0 e4 8.Nd4 Qe5 9.g3 Bh3 10.f4 ef3 11.Rf3 Nbd7 12.Rf4 Nc5 13.Nc3 Bd7 14.Nb3 Qg5 15.Nc5 Bc5 16.Qf1 c6 17.Na4 Be7 18.Bd4 Ne4–/+ 19.d3 Nd6 20.bc6 bc6 21.Nc5 Be6 22.Ne6 fe6 23.Qh3 Nf5 24.Raf1 g6 25.Be5 Bf6 26.Bf6 Qf6 27.R4f2 Qe5 ½–½. Coltharp,Cameron – Schirmer,Michael, email 4AMM–F, 1998.

7.0–0 Re8 8.d4 e4 9.Nfd2 c6 10.c4 dc4 =+.

7.0–0 Bf5 =+.

7.a4 c5 8.0–0 Bg4 9.d3 Nbd7 10.Nbd2 e4 11.de4 de4 12.Ng5 Be2 13.Qe2 Be5 14.Be5 Qe5 15.f4 ef3 16.Ngf3 Qe6 17.Ng5 Qe7 18.Qf3 Rae8 19.Rae1 h6 20.Nh3 Ne5 21.Qe2 Neg4 The isolani on e3 becomes a target 22.Nc4 Qc7 23.g3 Re4 24.Nf2 Nf2 25.Rf2 Rd8 26.Ref1 Qe7 27.Rf4 Rf4 28.gf4 Nd5 29.Rd1 Nc3 30.Rd8 Qd8 31.Qd3 Qd3 32.cd3 Na4 33.Kf2 Kf8 34.Nd6 a6 35.ba6 ba6 36.e4 g6 37.Nc4 Nc3 38.Ke3 Nb5 39.Ne5 Ke8 40.Nc6 f6 41.e5 Nc7 42.ef6 Nd5 43.Ke4 Nf6 44.Ke5 Ng4 45.Kd6 Nh2 46.Ne5 h5 47.Kc5 h4 48.Ng6 h3 49.Ne5 Nf1 50.Ng4 Kf7 51.d4 Ne3! 52.Nf2 h2 53.d5 a5 54.d6 a4 55.Kb4 Ke6 56.Ka4 Kd6 0–1. Van Rooijen,Peter (1690) – Guilloux,Jean Yves (2065), IECG, 2004.

7.c4 c6 8.a4 Re8 9.Nc3 (9.cd5!? e4 10.Bf6 Qf6 11.Nd4 cd5 12.Nc3+=) 9...e4–/+ 10.Nd4 c5 11.Nb3 Be6 (11...dc4!? 12.Na5 Nbd7–/+) 12.cd5= Bd5 13.Nd5 Nd5 14.Qc1 (14.d4 cd4 15.Qd4 Bb4 16.Kf1 Nf6=) 14...Nd7+= 15.Na5 (15.0–0 Ne5 16.Qc2 Nf3 17.Bf3 ef3+=) 15...Rab8 (15...Ne5 16.0–0+=) 16.g3 (16.0–0 Ne5 17.Nc4 Qc7=) 16...Be5 17.Nc4 Nb4 18.Ne5 Ne5 19.0–0 (19.Be5 Qe5 20.0–0 Rbd8+=) 19...Rbd8 20.Ba3 (20.Be5!? Qe5 21.f3+=) 20...Nbd3 21.Qc3 (21.Qd1 Rd6–/+) 21...Qe6 (21...Nf3 22.Kg2–+) 22.Kg2 (22.f4!? ef3 23.Bf3 Nf3 24.Rf3–/+) 22...Rd5–+ 23.Rad1 Red8 24.f3? (better is 24.h4–+) 24...ef3 25.Bf3 (25.Rf3 Qg4 26.Bb2–+) 25...Nf3 26.Rf3 (26.Kf3 Qh3 27.e4 Ne5 28.Qe5 Re5 29.Bc5 Rc5–+) 26...Qe4 27.Bb2 f6 28.Qb3 (28.Kg1 Qf3 29.Rf1 Qg4–+) 28...c4 29.Qa3 Rf5 30.Rdf1 Ne1 0–1. Leon Manas,JF (1710) – Sanchez Montesdeoca,I (1710), 2nd Open Internacional MC Claud, 2010.

7.d4 e4 8.Nfd2 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.bc6 Nc6 13.c4 dc4 14.Nc4 Bb4 15.Bc3 b5 16.Ncd2 Nd5 17.Bb4 Ncb4 18.0–0 Bd7 19.Qb3 Rc8 20.Qa3 f5 21.Rc1 Qf8 22.Rc8 Qc8 23.Nb3 Qc2 24.Qa8 Kf7 25.N1d2 Nf6 26.Qa5 Exerts pressure on the isolated pawn 26...Nd3 27.Bd3 ed3 28.Nc5 1–0. Baumann,Walter (1860) – Demirci,Ulas, DJ–CT18/pr16, 2011.

7.d4 e4 8.Nfd2 c6 9.a4 Nbd7 10.c4 c5 11.0–0 cd4 12.Bd4 Be5 13.Nb3 Bd4 14.Nd4 dc4 15.Bc4 Ne5 16.Be2 Rd8 17.Qb3 Bg4 18.Bg4 Nfg4 19.h3 Nf6 20.Nc3 Rac8 21.Rfc1 Nd3 22.Rc2 Nc5 23.Qa2 Qe5 24.Nce2 Nd5 25.Rb1 Nd3 26.Rb3 N5b4 27.Rc8 Rc8 (27...Na2?? 28.Rd8 Qe8 29.Re8) 28.Qd2 Nd5 29.Nc3 N5b4 30.Nce2 Nd5 31.Nc3 g5 32.Nde2 Nc3 ½–½. Schwichtenberg,Juergen (1630) – Lundberg,Gunnar (1970), Wch Seniors, 2002.

7.d4 e4 8.Nfd2 Be6 9.c4 c6 10.a4 Rc8 11.Ba3 dc4=+ 12.Bd6 Qd6 13.Nc3 cb5 14.ab5 Nbd7 15.0–0 Bd5 16.Qc2 Qe6 17.Rfb1 Nb6 18.Rb4 g5 19.Na4 Na4=+ 20.Rba4? Nd7?? 21.R4a3 Nb6 22.f3 Qe7?? 23.Qb2?? ef3=+ 24.gf3 g4 25.e4 c3 26.Rc3+= Rc3 27.Qc3 Rc8 28.Qb2 gf3 29.Bf3 Qg5? 30.Kh1+– Be6?? 31.d5 Bd7 32.e5 Qe3 (33.e6! fe6 34.Rg1 Qg1 35.Kg1 ed5+–). Neuwald,Volker – Braun,Ruediger Thomas, Baden–ch HT2, 2002.

7.d4 e4 8.Nfd2 Ne8 9.c4= Qg5 10.g3 c6 11.c5 Be7=+ 12.a4 Bh3 13.Qb3 Nd7 14.bc6 bc6–/+ 15.f4 ef3! 16.Nf3 Qf6 17.Nbd2 Rb8 18.Qc3 Nc5 19.Rg1? Nb3!!–+ 20.Rd1 Bb4 21.Qc2 Bf5 (22.e4 Be4 23.Qb3 Bd2 24.Nd2 Rb3 25.Nb3 Bc2–+) 0–1. White – Popstein,Sheila, email 4AMM–06, 1997.

6.Be2 Nbd7

7.0–0 0–0 8.Nc3 Re8 9.a4 c5 10.bc6 bc6 =+.

7.d4 e4 8.Nfd2 0–0 9.c4 dc4 10.Nc4 a6 11.Nd6 cd6 12.Nc3 =.

7.d4 e4 8.Nfd2 0–0 9.c4 dc4 10.Nc4 Nb6 11.Nd6 cd6 (11...Qd6? 12.Ba3 Qd8 13.Bf8 Qf8 14.Qc2+–) 12.0–0 Be6 13.Nd2 Rac8 14.a4 a5 (better is 14...Nc4!? 15.Nc4 Bc4 16.Bc4 Rc4=) 15.ba6+/– ba6 16.Ba6 Rc7 17.Qb1 Nc4 18.Bc4 Bc4 19.Nc4 Rc4 20.Rc1 Rb4 21.Qc2 Nd5 22.Ba3 Rbb8 (22...Rb6 23.Rab1 Rb1 24.Rb1+–) 23.Qc6+– Nb4 24.Bb4 Rb4 25.Rcb1 Rb1 26.Rb1 f5 27.g3 (27.Rb7 Qd8+–) 27...g5 (27...Qe6 28.Rb6+–) 28.Rb7 (28.Qd5 Kh8+–) 28...Qf6 (28...Qe6 29.d5 Qg6 30.Qd7+–) 29.Qc4 (better is 29.Rd7!?+–) 29...Kh8+/– 30.Qc7 Qg6 31.Rb8 Qf6 32.Rf8 Qf8 33.Qc6 (33.a5 f4 34.a6 fe3 35.fe3 d5 36.Qe5 Kg8 37.Qg5 Kh8 38.Qe5 Kg8 39.Qd5 Kg7+–) 33...Qb8 (33...Qd8 34.Qb5 f4 35.gf4 gf4 36.ef4+–) 34.Qb5 (34.a5 f4 35.ef4 Qb1 36.Kg2 gf4 37.Qd6 f3 38.Kh3 Kg7+–) 34...Qf8 (34...Qc8 35.a5 f4 36.Qg5+–) 35.Qd5 Qf6 (35...h5+–) 36.a5 f4 37.ef4 gf4 38.Qe4 f3 (38...Qf7 39.a6 Qa7+–) 39.a6 Qf7 (39...d5 40.Qe5 Qe5 41.de5+–) 40.Qa8 (40.Qa8 Kg7 41.Qb7+–) 1–0. Krivoshapko,Alexander – Lev,Nikolay, 2008.

7.d4 e4 8.Nfd2 0–0 9.c4 c6 10.Nc3 Bc7 11.a4 Rd8 12.Ba3 Qe6 13.Qb3 (13.cd5 cd5 14.Rc1 Ne8=) 13...Nf8 (13...Nb6 14.c5 Nbd7 15.0–0=) 14.bc6 bc6 15.cd5 cd5 16.Nb5 Ba5 17.Bb4 Bb4 18.Qb4 Ne8 (18...a5 19.Qb3 Ne8 20.0–0=) 19.Rc1 (19.Qa5 Ba6+=) 19...Qg6= 20.Kf1 (20.Bf1 Ne6=) 20...Bg4 21.Bg4 Qg4 22.h3 Qh5 23.g3 Ne6 24.Kg2 a6 25.Nc3 Rab8 26.Qa3 (26.Qa5 Qg6=) 26...Nd6 27.Qa2 Nf5 28.Qc2 (28.Nd5? Rd5 29.Ne4 Ne7–+) 28...Qg5 29.Rhe1 h5 30.Kh2 (better is 30.Qa2!?+=) 30...Nfd4!–+ 31.ed4 Nd4 (31...Nd4 32.Nde4 Qf5 (32...Nc2?! 33.Ng5 Ne1 34.Re1+=) 33.Nd5 Rd5–+ (33...Qd5?! 34.Qd3–/+)) 0–1. Krivoshapko,Alexander – Nevorotov,Boris, 2008.

7.d4 e4 8.Nfd2 a6 9.c4 dc4 10.ba6 b6 (10...b5 11.a4 ba4 12.Nc4 Bb4 13.Nbd2=) 11.Nc4 Bb4 12.Bc3 Ba6 13.Qa4 Bc3 14.Nc3 0–0 15.0–0 Bb7 16.Qb3 Nd5 17.a4 Nc3 18.Qc3 c5 19.Rfd1 Bd5 ½–½. Kural,A. Serhat (2000) – Le Savouroux,Herve, Jubilee, 2007.

5.e3 Bg4

6.c4 d4 7.Be2 de3 8.de3 Nd7 9.0–0 Ngf6 10.Nfd2 Bf5 =+.

6.c4 Nf6=+ 7.cd5 e4 8.h3 Bh5 9.g4 Ng4 10.hg4 Bg4 =.

6.Be2 a6 7.h3 Bd7 8.Nc3 Nf6 9.0–0 ab5 10.Nb5 Bb5 =+.

6.Be2 Bf3 7.Bf3 c6 8.a4 Nf6 9.0–0 0–0 10.c4 e4 11.Be2 Nbd7 12.f3 a6 13.bc6 bc6 14.fe4 de4 15.d3 ed3–/+ 16.Qd3 Nc5 17.Bf6 gf6 18.Qd2?? Nb3–+ 19.Qc3 Na1 20.Qa1 Qe3 21.Rf2 Bh2! 22.Kh2 Qf2 23.Bf3 Qh4 24.Kg1 Rfe8 ½–½. kosta – kansas, internet, 2007.

6.h3 Bd7 7.c4 Nf6 8.d4 ed4 9.Nd4 0–0 10.cd5 Nd5 =.

6.h3 Bf3 7.Qf3 Nf6 8.c4 e4 9.Bf6 ef3 10.Be7+= fg2 11.Bg2+/– Be7 12.Nc3+– a6 13.Nd5 Bd8 14.d4 Nd7 15.Ke2 0–0 16.a4 Re8 17.Nc3 Ra7 18.ba6 b6 19.Bb7 Nb8 20.Nb5 Ra6 21.Ba6 Na6 22.a5 (22...ba5 23.Ra5+–) 1–0. Taulien,Hans_Juergen – Steingraeber,Barbara, remoteschach.de, 2003.

6.h3 Bf5 7.c4 Nf6 8.d4 Bb1 9.de5 Bb4 10.Ke2 Qc5 =.

6.h3 Bf5 7.d4 e4 8.Nfd2 Nf6 9.c4 dc4 10.Nc4 Bb4 11.Nbd2 0–0 12.a3 Bd2 13.Nd2 c6 14.a4 Rc8 15.g4 Bg6 16.h4 h5 17.Be2 Qb4 18.Rb1 cb5 19.gh5 Bh7 20.d5 Nd5+= 21.Bg7 Qa4 22.Rg1 Qd1 23.Bd1 Nc7 24.Bb3 1–0. Taulien,Hans_Juergen – Steingraeber,Barbara, RSX5D – Sokolsky–1, 2003.

6.h3 Bh5 7.Nc3 c6 8.Be2 Nf6 9.g4 Bg6 10.bc6 bc6 =.

6.c4 dc4

7.Bc4 Nd7 8.Qc2 Nb6 9.Bb3 Nf6 10.d4 e4 11.Nfd2 0–0 12.Nc3 Bf5 13.h3 Rfe8 14.0–0 c6 15.bc6 bc6 16.f3 Nbd5 17.Nd5 cd5–/+ 18.fe4 Rac8 19.Qd1 Be4 20.Ne4 Qe4 21.Bc1 Qe6 22.Qf3 Ne4 23.Qf5 Ng3 24.Qe6 fe6 25.Rf2 Re7 26.Bb2 Rec7 27.Bd1 h5 28.Bf3 a5 29.a3 g6 30.Rd2 Kg7 31.Rf2 Be7 32.Re1 Bh4 33.Rb1 Rb7 0–1. Schulz,Hans_Juergen – Mehlhorn,Uwe, RSX5D – Sokolsky–1, 2003.

7.Bc4 Nf6 8.d3 a6 9.a4 b6 (9...ab5 10.ab5 Ra1 11.Ba1=+) 10.Nbd2 0–0 11.0–0 c5 12.Qc2 Bf5 13.Ng5 Bc7 14.Ndf3 Bg6 15.Nh4 Bh5 16.d4 e4 17.Nf5 Qd7 18.Ng3 Bg3 19.fg3 Qg4 20.Rf6 Qg5 21.Rb6 Qe3 22.Qf2 Qg5 23.h4 Qg4 24.Re1 ab5 25.ab5 cd4+= 26.Qd4 Qg3 27.Rf1 Bf3 28.Rf2 Ra4 29.Rb7 1–0. Taulien,Hans_Juergen – Schulz,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

7.Bc4 Nf6 8.h3 Bh5 9.0–0?? e4–+ 10.g4 Ng4! 11.hg4 Bg4 12.Nc3 Bf3 13.Qc2 Qg5 0–1. Guggenberger,Simon – Schulz,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

7.h3 Bh5 8.Bc4 c6 9.Qc2 Nf6 10.Nh4 cb5 (10...0–0!?=) 11.Nf5+= Qd7 12.Bb5!+/– Nc6 13.Bc6 bc6 14.Ng7 Kf8 15.Nh5 Nh5 16.Na3 c5 17.Nc4 f6 18.g4 Ng7 19.f4 Qe6 20.fe5 fe5 21.0–0 Ke7 22.Nd6 Qd6?? 23.Qe4 Ke6 24.Qc4 Qd5 25.Rf6! Kf6 26.Qd5 Rhe8 27.Rf1 Kg6 28.Qf7 1–0. Taulien,Hans_Juergen – Guggenberger,Simon, RSX5D – Sokolsky–1, 2003.

7.h3 Bh5 8.Bc4 Nf6 9.Qc2 Nbd7 10.Nh4 Bg6 11.Ng6 hg6 12.Nc3 Nc5 13.d3 g5 14.a4 g4 15.Nd5 Nd5 16.Bd5 0–0–0 17.a5 Kb8 18.0–0–0 gh3= 19.Rh3 Rh3 20.gh3 a6 21.Qc4 ab5 22.Qb5 c6 23.Bc6 Rc8 24.Bd5 Nd3 25.Kb1 Nb2 26.Kb2 Rc5 27.Qb6 Rc7 28.Kb1 Bc5 29.Qb3 Qh4 30.Rc1 Qb4 31.Qb4 Bb4 32.Rc7 Kc7 33.Bf7 Ba5 34.f4 Kd6 ½–½. Taulien,Hans_Juergen – Mehlhorn,Uwe, RSX5D – Sokolsky–1, 2003.

6.Be2 Nd7

7.a4 Ngf6 8.a5 a6 9.Nc3 0–0 10.ba6 ba6 =+.

7.a4 Ngf6 8.d4 0–0 (8...e4 9.Nfd2 Be2 10.Qe2+=) 9.0–0 e4 10.Nfd2 Be6 (10...Be2 11.Qe2 a6 12.c4 dc4 13.Nc4 ab5 14.Nd6 Qd6 15.Qb5+=) 11.c4= c6 12.Nc3 h6 (12...Bc7 13.bc6 Qd6 14.g3 Qc6 15.cd5 Bd5 16.Rc1+=) 13.bc6 (13.c5 Bc7+=) 13...bc6= 14.cd5 cd5 15.Nb5 Bb4 16.Ba3 a5 (16...Ba3 17.Na3 (17.Ra3? a6–+) 17...Rfc8 18.Ba6+=) 17.Bb4 Qb4 18.Rb1 Qe7 19.Qb3 Rfc8 20.Rfc1 Nb6 21.Nc3 Qb4 The isolani on a4 becomes a target 22.Bb5 (22.Qd1 Qa3+=) 22...Qb3 (22...Qd6 23.Qd1=) 23.Nb3+= Nc4 24.Nc5 Kf8 (24...Nd6!?+=) 25.Bc4 dc4 26.N5e4 Nd7 (26...Ne4!? 27.Ne4 Rab8+/–) 27.Rb7 (27.Rb7 f5 28.Nd6+–) 1–0. Krivoshapko,Alexander – Feofanov,Alexander, 2008.

7.c4 dc4 8.Bc4 Ngf6 9.d3 Nb6 10.Bb3 0–0–0 11.Nc3 e4 12.de4 Ne4 13.Qc2 Bb4 14.0–0 Bf3 15.gf3 Nd2 16.Rfd1 Nf3 17.Kg2 Nh4 18.Kh1 Qg5 19.Rg1 Qh5 20.Qe4 f5 21.Qf4 Bd6–/+ 22.Bd1 Qd1 23.Nd1 Bf4 24.ef4 Rhe8 25.Ne3 Rd2–+ 26.Be5 g6 27.Rg3 Nd7 28.Rh3 Ne5 29.fe5 g5 30.f4 Rd3 31.fg5 Ng6 32.Rd1 Rd1 0–1. Schulz,Hans_Juergen – Taulien,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

7.d4 e4 8.Nfd2 Be2 9.Qe2 =+.

7.d4 Ngf6 8.0–0 e4 9.Nfd2 h5 10.h3 Bh3 11.gh3+/– Qe6 12.f3?? Qh3–+ 13.Rf2 Ng4! 14.fg4 hg4 15.Rg2 Qe3 16.Kf1 Rh1 17.Rg1 Rg1# (17...Qg1#) 0–1. Jorgensen,Klaus – Cummings,David H (2230), DEN–chJ int Ribe, 1978.

7.h3 Bf3 8.Bf3 Ngf6 9.Be2 0–0 10.c4 dc4 11.Bc4 e4 12.Qc2 Rac8 13.a4 Rfd8 14.d4 c5 15.d5 Be5 16.Be5 Qe5 17.Ra3 Nd5 18.Bd5 Qd5 19.0–0 Ne5 20.Nc3 Qd3 21.Qe2 Qe2 22.Ne2 f5 23.Rc3 Kf7 24.Rfc1 b6 25.Ra1 g5 26.a5 Ke6 27.ab6 ab6 28.Ra6 Rd1 29.Kh2 Rd6 30.Nd4 Kf6 31.Nc6 Nc6 32.Rb6 Ke6 33.bc6 Rcc6 34.Rb5 Rd2 35.Rbc5 Rc5 36.Rc5 Rf2 37.Rc6 Kd5 38.Rh6 f4 39.ef4 Rf4 40.Rh7 e3 0–1. Steingraeber,Barbara – Taulien,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

7.h3 Be6

8.0–0 Qf6 9.Nc3 0–0–0 =+.

8.0–0 Qf6 9.c4 dc4–/+ 10.Qc2 a6 11.Bc4 Bc4 12.Qc4 ab5 13.Qb5 Rb8 14.d4 e4 15.Ne5 c6 16.Nd7 cb5 17.Nf6+= Nf6 18.f3 0–0 19.Nc3+/– Rfe8 20.Nb5 Bg3 21.a4 Nd5 22.Ra3 h6 23.fe4 Ne3?? 24.Re3+– 1–0. Mehlhorn,Uwe – Steingraeber,Barbara, RSX5D – Sokolsky–1, 2003.

8.0–0 Qf6 9.c4 dc4 10.Qc2 Ne7 11.Na3 c3 12.Qc3 Qg6 13.Kh1 0–0 14.Nc4 Nd5 15.Qc1 f6 16.Nd6 cd6 17.Ba3 Rfc8 18.Qb1 Qb1 19.Rfb1 Nc5 20.Kg1 Nb6 21.Rc1 Ne4 22.Bb4 g5 23.a4 h6 24.a5 Nd5 25.Ba3 Rc1 26.Rc1 Nec3?? 27.dc3+– Rc8 28.c4 Nc7 29.Nd2 Rd8 30.Ne4 1–0. Mehlhorn,Uwe – Taulien,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

8.0–0 Ngf6 9.a4 0–0 10.a5 a6 =+.

8.Nc3=+ Ngf6 9.0–0 0–0 10.a4 c5 =+.

7.h3 Bh5

8.0–0 Ngf6 9.d4 e4 10.Nfd2 Be2 11.Qe2 0–0 12.c4 c6 13.Nc3 Rfe8 14.c5 Bc7 15.a4 Qe6 16.Na2 g5 17.Nb4 Ba5 18.Bc3 Bb4 19.Bb4 Nf8 20.f4 ef3 21.Qf3 N8d7 22.Rfe1 Qe4?? 23.Ne4+– (23...Ne4 24.Rf1+–) 1–0. Whiteside,T Martyn – Paredes Prats,Jose, corr ICCF EU–chT3, 1983.

8.Nc3 Nb6=+ 9.a4 e4 10.Nd4 Be2 =.

8.c4 dc4 9.a4 Nc5 10.Bc4=+ Nf6 11.d3 0–0–0 12.Nbd2 e4=+ 13.de4 Nce4–/+ 14.Qb3? Bb4–+ 15.Ba3 Nd2 (16.Bb4 Nb3 17.Be7 Na1 18.Bd8 Rd8–+; 15...Bd2?! 16.Nd2 Qd7 17.Ne4 Ne4 18.Qc2=; 15...Rd2? 16.Bb4 Rd6 17.Nd4+–) 0–1. Harding,Timothy David – Van der Plas,Rob E, corr ICCF EU–ch M881, 1989.

8.c4 dc4 9.Bc4 0–0–0=+ 10.e4 Ngf6 =+.

8.c4 dc4 9.Bc4 Nb6 10.Bb3 Nf6 =+.

8.c4 dc4 9.g4 Bg6–/+ 10.Bc4 h5 11.Rg1 hg4 12.hg4 e4 13.Nd4 Rh2 14.g5 Rh5 15.Nf5 Rg5 16.Ne7 Rg1 17.Bf1 Be7 18.Bd4 Ngf6 19.Nc3=+ Nc5 20.Bc5 Bc5 21.Qb3 0–0–0 22.0–0–0 Rg5 23.Kb1 (23.Bc4 Rd7=+) ½–½. Whiteside,T Martyn – Temmink,Henk H, corr, 1984.

8.d3 0–0–0 9.0–0 +=.

8.d3 Ngf6 9.Nbd2 (9.g4 Bg6+=) 9...0–0 (9...0–0–0 10.0–0+=) 10.0–0 e4 (10...a6 11.ba6 Ra6 12.d4+=) 11.Nd4 (11.de4 de4 12.Nd4 Qe5+=) 11...Qe5 12.g3 Be2 13.Qe2 a6 (13...Qg5 14.Rfd1+=) 14.a4 (14.de4 de4 15.Nc4 Qg5+=) 14...Qg5 15.h4 (15.Kg2 Nc5+=) 15...Qg6–/+ 16.Ba3 (16.de4 de4 17.Nc4 Bb4–/+) 16...Ba3 17.Ra3 ab5 18.Nb5 c6 19.Nc3 (19.Nd6 Nc5 20.de4 Nfe4 21.N6e4 de4–/+) 19...b5 20.Na2 (20.Rb1!?–/+) 20...ed3 (20...c5 21.Nc1 Ra4 22.Ra4 ba4 23.de4 Ne4 24.Ne4 de4 25.Qb5–+) 21.cd3 ba4 (21...c5 22.Rb1 Ra4 23.Ra4 ba4 24.Rb7–+) 22.d4 (22.Nc3!?–/+) 22...c5–+ 23.dc5 Nc5 24.Nc3 Rfd8 25.Qb5 Ne6 26.Ra4 Ra4 27.Qa4 Qd3 28.Ncb1 d4 29.ed4 Nd4+= 30.Rd1? Ne2 31.Kg2 Qd5 32.f3 Qd6 33.Kf2 Ng3 34.Nc3 Nf5 35.Nf1 Qc5 36.Kg2 Rb8 37.Rb1 Rc8 38.Ne2 Rd8 39.Nfg3 Ne3 40.Kh2 h6 41.Qf4 Nfd5 42.Qe4 Qc8 43.Rb3 Re8 44.Qd4 Nf1! 45.Nf1 Re2 46.Kg3 Nf6 (46...Nf6 47.Rb5 Qa6 48.Qd8 Re8–+) 0–1. Guggenberger,Simon (1870) – Steingraeber,Barbara (2240), RSX5D–Sokolsky–1, 2003.

6.Be2 Nf6

7.0–0 0–0 8.d4 e4 9.Ne5 Be2 10.Qe2 Nbd7 11.Nd7 Qd7 12.f4 ef3 13.Rf3 Ne4 14.Rh3 f5 15.Qh5 (15...Qb5 16.Qh7 Kf7 17.Bc1–/+; 15.c4 dc4 16.Qc4 Kh8=+). Langguth,Wilhelm – Wedge,R, corr ICCF–Cup8 V186, 1990.

7.c4 c6 8.a4 0–0 9.0–0 (9.Nc3+=) 9...Qc7 (9...e4!? 10.Nh4 Be6–/+) 10.h3 Bf5 (10...Bf3!? 11.Bf3 e4=) 11.c5+= Bc5 12.Be5 Qe7 13.d4 (13.Nc3 Nbd7 14.Bf4 Rac8+=) 13...Bd6 (13...Bb4 14.Nbd2=) 14.Bd3 (14.Nc3 Nbd7 15.bc6 bc6 16.Bd6 Qd6+=) 14...Be4 (14...Bd3 15.Qd3 Nbd7 16.Bf6 Nf6 17.bc6 bc6 18.Rc1=) 15.Be4 de4 16.Bf6 Qf6 17.Nfd2 Qg6 (17...Qe6 18.Nc3 f5 19.Rb1+=) 18.Nc3+/– f5 19.Qb3 Kh8 20.Nc4 Nd7 21.Rac1 c5 22.Nd6 Qd6 23.Rfd1 Qg6? (better is 23...Rac8+/–) 24.Qd5+– Rf7 (24...Nf6 25.Qb7 Rfb8 26.Qe7 cd4 27.Rd4+–) 25.dc5 Nf6 26.Qc4 Raf8 (26...Rc7 27.c6 Qf7 28.Qf7 Rf7 29.Ne2 bc6 30.bc6+–) 27.Rd6 White prepares c6 27...Qg5 (27...Rd7 28.Rd7 Nd7 29.Qd5+–) 28.Rcd1 h6 (28...Rc7 29.Rd8 Re8 30.c6+–) 29.Rd8 Kh7 (29...Ng8 30.Rf8 Rf8 31.Rd7+–) 30.c6 bc6 (30...Rd8 31.Rd8 Rc7 32.Qe6+–) 31.bc6 Rd8 32.Rd8 Rc7 33.Nb5 Ng4 34.Qg8 Kg6 35.hg4 Rc6 36.Qe8 Kh7 37.Qc6 Qd8 38.Nd4 f4 39.Qe4 (39.Qe4 Kh8 40.Qf4+–) 1–0. Nikolic,Jovane (1705) – Gansl,Eduardo (1800), Championship da Primeira Categoria do E, 2014.

7.h3 Bf3 8.Bf3 0–0 9.0–0 a6 10.a4 Nbd7 (10...ab5 11.ab5 Ra1 12.Ba1 e4 13.Bf6 Qf6 14.Bg4 Qe5 15.f4; 10...e4 11.Be2 (11.Bg4 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.Bd7 Nd7 15.Bd4) 11...ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.Nc3 Qe5 15.f4) 11.d3 (11.Nc3 e4 12.Bg4 Qe5 13.g3 Ng4 14.Qg4 Nf6 15.Qh4; 11.Be2 ab5 12.ab5 Ra1 13.Ba1 Ra8 14.Bb2 Nc5 15.d4) 11...e4 12.Be2 ab5 13.ab5 c6 (13...Ra1 14.Ba1 Ra8 15.Nd2+=) 14.c4 (14.Nd2 Ne5= (14...Nc5 15.de4) 15.de4; 14.Nc3 Nc5 15.d4) 14...Ra1+= 15.Ba1 dc4 16.dc4 Ra8 17.Bb2 Qe6 (17...cb5 18.cb5 Be5 19.Be5 Ne5 20.Qc2=) 18.Qd2= Be5 19.Be5 Qe5 (19...Ne5 20.Rd1=) 20.Nc3 (20.Rd1 cb5 21.cb5 b6=) 20...h6 (20...cb5 21.Nb5 Nc5 22.Rd1=) 21.Rd1 Ra3 22.Nb1 Rb3 23.Qa5 Rb2 24.Bf1 (24.Qd8 Kh7 25.Nd2 Rc2=) 24...cb5 25.cb5 b6 26.Qa1 Kh7 (26...Rc2 27.Qe5 Ne5 28.Rd4+=) 27.Nd2 Rb4 28.Qa3 Qc5 29.Rc1 Qf8 30.Nb3 Nd5 31.Rd1 N5f6 32.Nd4 Qd6 33.Qa2 Ne5 34.Be2 Qc5 35.Nc2 Rb5 36.Bb5 Qb5 37.Nd4 Qc5 38.Qb3 Nfd7 (38...Nd5 39.Nf5 Nc3 40.Rd2+/–) 39.Nb5 Qc6 40.Nd6 Nc5 41.Qd5 (41.Qd5 Qd5 42.Rd5+/–) 1–0. Mehlhorn,Uwe – Schulz,Hans_Juergen, RSX5D–Sokolsky–1, 2003.

7.h3 Bf3 8.Bf3 0–0 9.Be2 a6 10.a4 Nbd7 11.0–0 ab5 12.ab5 Nb6 13.Ra8 Ra8 14.d3 Ra2 15.Qc1 Na4 16.Nc3 Rb2 17.Na4 Rb5 18.c4 Ra5 19.Nc3 dc4 20.dc4 c6 21.Qd2 Ra3 22.Rd1 Bc7 23.Bf3?? Ba5–+ 24.Rc1 e4 25.Be2 Rc3 0–1. Steingraeber,Barbara – Schulz,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

7.h3 Bf5 8.Nc3 0–0 9.0–0 c5 10.bc6 Nc6 =+.

7.c4 dc4

8.Bc4 c6 9.d3 cb5 10.Bb5 Nbd7 11.h3 Bf3 12.Qf3 0–0 13.0–0 a6 14.Bd7 Qd7 15.a4 Bc5 16.Be5+/– Qe7 17.Bf6+– Qf6 18.Qf6 gf6 19.Rc1 Rac8 20.Nc3 Kg7 21.d4 Bb4 22.Nd5 Bd6 23.Rcb1 Rb8 24.Rb6 Rfd8 25.e4 Bf8 26.g4 Rdc8 27.Ne3 Rd8 28.Nf5 Kg6 29.h4 Bg7 30.Ne7 Kh6 31.f4 Re8 32.Nf5 1–0. Schulz,Hans_Juergen – Guggenberger,Simon, RSX5D – Sokolsky–1, 2003.

8.Bc4 e4!? 9.h3 ef3?! 10.hg4 fg2 11.Rg1 =.

8.Bc4 e4–/+ 9.h3 Bf3 10.gf3=+ Nbd7 11.Be2 0–0 12.Qc2 Rfe8 13.fe4 Ne4 14.Rg1 Be5 15.Nc3 Nef6 16.f4+= Bc3 17.Qc3 Qd6 18.Rc1 Rac8 19.Bg4 Red8 20.d3?? Qb6+/– 21.Qd4 Qd4 22.Bd4+/– Ng4 23.Rg4 g6 24.Rg2 c6 25.bc6 Rc6 26.Rc6 bc6 27.Ba7 Nf6 28.Rc2 Rd3 29.Rc6 Ne4 30.Rc8 Kg7 31.Bd4 f6 32.Rc7 Kg8 33.a4 1–0. Schulz,Hans_Juergen – Steingraeber,Barbara, RSX5D – Sokolsky–1, 2003.

8.Bc4 e4–/+ 9.h3 Bh5!? 10.g4 ef3 11.gh5 Be5 12.Ba3 +=.

8.Bc4 e4–/+ 9.h3 Bh5!? 10.g4 Ng4 11.hg4 Bg4 –/+.

8.h3 Bf3 9.gf3 a6 10.ba6 Na6 =+.

7.h3 Bh5

8.c4 dc4 9.Bc4 0–0 10.0–0? e4–+ 11.Be2 ef3 12.Bf3 Bf3 13.Qf3 Nbd7 14.d4 Ne4 15.a4 Ndf6 16.Rd1 Rfe8 0–1. Steingraeber,Barbara – Mehlhorn,Uwe, RSX5D – Sokolsky–1, 2003.

8.c4 c6 9.d4 ed4 10.Nd4 Be2 11.Qe2 Qe6?? 12.Ne6+– fe6 13.0–0 0–0 14.cd5 ed5 15.Bf6 Rf6 16.Qg4 Be5 17.Qc8 Rf8 18.Qe6 (18...Kh8 19.Qe5 cb5 20.Qd5+–) 1–0. Steingraeber,Barbara – Guggenberger,Simon, RSX5D – Sokolsky–1, 2003.

8.d3 0–0 9.c4 dc4 10.dc4 Nbd7 11.0–0 Nc5 12.Nbd2 Nfd7 13.e4 Bg6 14.Qc2 f5 15.Bd3 Nd3 16.Qd3 Nc5 17.Qe2 fe4–/+ 18.Ne1 Na4 19.Bc1 Bc5 20.Ne4 Bd4 21.Rb1 Be4 22.Qe4 Nc3 23.Rb2?? Ne4 24.Re2 Ng3 0–1. Guggenberger,Simon – Taulien,Hans_Juergen, RSX5D – Sokolsky–1, 2003.

8.d3 0–0 9.Nbd2 a6 10.c4 ab5 11.cb5 Nbd7 12.a4 Ra7 13.Nb1 Rfa8 14.Nc3 Nb6 15.0–0 e4 16.de4 de4 17.Nd2 Qe5 18.g3 Be2 19.Qe2 Qe6 20.Kg2 Be5 21.Nde4?? Ne4–+ 22.Ne4 Bb2 23.Nc5 Qd5 24.f3 Ba1 0–1. Guggenberger,Simon – Mehlhorn,Uwe, RSX5D – Sokolsky–1, 2003.

8.d3 c6 9.a4 0–0 10.0–0 Nbd7 11.Nbd2 e4 12.de4 de4 13.Nd4 Be2 14.Qe2= c5 15.Nf5 Qe6 16.Nd6 Qd6 17.Rfd1 Qe6 18.Nc4 b6 19.Rd6+/– Qe7 20.Rad1 Rad8 21.Qd2+– Rfe8?? 22.Bf6 Nf6 23.Rd8 Rd8 24.Qd8 Qe8 25.Qc7 Qa8 26.Rd8 1–0. Mehlhorn,Uwe – Guggenberger,Simon, RSX5D – Sokolsky–1, 2003.

4.Nf3 f6

5.Nc3 Ne7 6.e4 d4 7.Na4 a6 8.ba6 Bd7 9.c3 –/+.

5.Nc3 Ne7 6.e4 d4 7.Ne2 Bg4 8.Ng3 Be6 9.c3 dc3 10.dc3 Nd7 11.Be2 0–0 12.0–0 Nc5 13.Qc2 c6 14.c4 Qc7 =.

5.c4 dc4 6.e4 c6 (6...Be6 7.Qc2=) 7.Bc4 Ne7 8.a4 Nd7 9.0–0 Nb6 10.Bb3 Bd7 11.d4+= cb5 12.de5+– fe5 13.Qd6 ba4 14.Ba2 Bg4 15.Qe5 (15…Bf3 16.gf3+–) 1–0. Taulien,Hans_Juergen – Boldt,Alex, remoteschach.de, 2001.

5.c4 c6 6.e3 Ne7 7.Nc3 0–0 8.cd5 cd5 9.Nd5?? Nd5–+ 10.Bc4 Be6 11.Qb3 Be7 12.e4+= Nf4 13.Be6+/– Kh8 14.0–0 Nd7 15.d4 ed4 16.Bd4 Ne2 17.Kh1 Nd4 18.Nd4 Qb6 19.Rad1 Nc5 20.Qh3 Ne6 21.Ne6+– Rfe8 22.f4 Bb4 23.f5 Rac8 24.a4 a6 25.e5 fe5 26.Qg4 Bf8 27.Rd7 (27...Re6 28.fe6+–) 1–0. Taulien,Hans_Juergen (2225) – Hansch,Karsten (1800), remoteschach.de, 2004.

5.c4 c6 6.e3 Bg4 7.Qa4 Bf3 8.gf3 Ne7 9.Nc3 d4 10.Ne4= c5 11.f4 de3 12.de3 Qb6 13.Bh3 ef4+= 14.Qd1 Bc7 15.Qh5+= Ng6 16.a4 Be5 17.Be5 fe5 18.0–0–0 0–0 19.Rd6 Qa5+/– 20.Rg6! (20...hg6 21.Be6 Rf7 22.Qg6+–) 1–0. Taulien,Hans_Juergen – Kuerten,Detlef, remoteschach.de, 2002.

5.c4 e4 6.Nd4 Be5 7.e3 dc4 8.Bc4 c5 9.bc6 Qb6 10.cb7 Bb7 11.Nc3 Bd4 12.ed4 Nh6 13.Rb1 Qd4 14.Nb5 Qd7 +–.

5.d4 e4 6.Nfd2 e3 7.fe3 f5 8.Nf3 a6 9.Nc3 Nf6 10.Qd3 0–0 11.0–0–0 Ne4 12.Nd5 Nf2 13.Qb3 Kh8 14.ba6 Nh1 15.ab7 Bb7 16.Qb7 Ra2 17.Nc3 Ra6 18.Re1 Rb6 19.Qa8 c5 20.d5 Qe7 21.Qa5 Qe3 22.Kb1 Nd7 23.Na4 Rb4 24.Qa7 Nf6 25.Qa6 Rd8 26.Qa5 Rdb8 27.Ka1 Qe8 28.Nb6 R8b6 29.Ba3 Qa4 30.Qb4 Rb4 31.Ka2 Nd5 32.Rc1 Nc3 33.Ka1 Qa3 0–1. EXchess 3.11 – Fritz 8, 2004.

5.d4 e4 6.Nfd2 e3 7.fe3 f5 8.Nf3 a6 9.Nc3 Nf6 10.Qd3 0–0 11.0–0–0 Ne4 12.Nd5 Nf2 13.Qb3 Kh8 14.ba6 Nh1 15.ab7 Bb7 16.Qb7 Ra2 17.Nc3 Ra6 18.Re1 Rb6 19.Qa8 c5 20.d5 Qe7 21.Qa5 Qe3 22.Kb1 Nd7 23.Na4 Rb4 24.Qa7 Nf6 25.Qa6 Ne4 26.Ka1 Rfb8 27.Qa7 Nc3!! 28.Qb8 Rb8 29.Nc3 c4 30.Rd1 Ba3!! 31.Nb5 Bb2 32.Ka2 Rb5 33.c3 Bc1 34.Nd4 Qc3 35.Nb5 Qb2 0–1. EXchess 3.11 – Fritz 6, 2004.

5.d4 e4 6.Nfd2 Ne7 7.c4 c6 8.e3 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6 5.c4 c6 6.Nf3 Ne7 7.d4 e4 8.Nfd2).

5.e3 c5 6.Nc3 Be6 7.d4 cd4 8.ed4 e4 9.Qe2 Qe7 10.Nd2=+ f5 11.b6 a6 12.Nd1 Nf6 13.c4 Bb4 14.a3 Bd2 15.Qd2= dc4 16.Ne3 Nd5 17.Nc4 Nc6 18.Be2 0–0=+ 19.Rc1 Rac8 20.0–0= Nb8 21.a4 Nd7? 22.Ba3+– Qf6 23.Bf8 Qf8 24.a5 Nb4 25.f3 Nd3 26.Bd3 ed3 27.Qd3 Qb4 28.d5 Nc5 29.Qc3 Qc3 30.Rc3 Bd5 31.Nd6 Rc6 32.Nf5 g6 33.Ne7 Kf7 34.Nc6 1–0. Trkn – guest4494, ICC, 2004.

5.e3 c5 6.d4 cd4 7.ed4 e4 8.Nfd2 Ne7 9.c4 0–0 10.Nc3 dc4? 11.Bc4+/– Kh8 12.Nde4 Bc7 13.Ba3+– Nd7 14.0–0 Nb6 15.Bb3 Re8 16.Bf7 Rf8 17.Qb3 Bf5 18.Rfe1 Qd7? 19.Nf6! Qd4 20.Be7 Qf6 21.Bf6 (21...gf6 22.Re7+–) 1–0. pierre – drchessp, internet, 2008.

5.e3 c5 6.d4 cd4 7.ed4 e4 8.Nh4 Be6 9.g3 Ne7 10.Be2 Nd7 11.Nd2 Qc7 12.0–0 g5 13.Ng2= f5 14.Rc1 Nf6 15.c4= b6?? 16.c5 bc5+/– 17.dc5 Be5 18.Be5 Qe5 19.Nb3 Kf7 20.Nd4 h5? 21.f4+– gf4 22.Nf4 Bc8 23.Nh5 Bd7 24.c6 Be6 25.Nf4 Bc8 26.a4 Ng6 27.a5 e3?! 28.Nf3 Qd6 29.Ng5 Kg7 30.Qd4 Nf4 31.Rf4 Kg6 32.Qe3 Re8 33.Qd2 Re2 34.Qe2 Kg5 35.Qd2 Kg6 36.Rh4 Ng4 37.Rh8 Kg7 38.Re8 d4?? 39.Qg5 Kf7 40.Qg8 Kf6 41.Rc8 (41...Rc8 42.Qc8+–) 1–0. pumpkin (2190) – pornstars (2210), net–chess.com, 2005.

5.e3 c6 6.c4 e4 7.Nd4 Ne7 8.a4 (8.cd5 cd5 9.d3 f5=) 8...0–0 (8...c5 9.Nb3 Be6 10.cd5 Nd5 11.Qc2=) 9.Be2 (better is 9.cd5 Nd5 10.Nc3 Nc3 11.Bc4 Kh8 12.Bc3=) 9...Nd7?? (better is 9...c5 10.Nb3 Be6+=) 10.Ne6+/– Qe8 11.Nf8 Nf8 12.Bf6?? (better is 12.d3 ed3 13.Bd3+–) 12...gf6–/+ 13.cd5 Nd5 14.Bh5 Ng6 15.Nc3 Nc3 16.dc3 Be5 17.Qc2 cb5–+ 18.Qb3? Be6 19.Qb4 Qc6 20.0–0 Bc3 21.ab5 Bb4 22.bc6 bc6 23.Ra4 Bc5 24.Rc1 Rb8 25.h3 Bd5?? 26.Rc5+/– Ne5 27.Ra7 Nd3 28.Rca5 Rb1 29.Kh2 Nf2 30.Ra8 Kg7+/– 31.R8a7 Kh6 32.Kg3 Nh1? 33.Kh4+/– Rg1 34.Ra2 Ba2+= 35.Ra2 Re1 36.Ra3 Rc1 37.Ra6 Rc3 38.Be8 Attacking the isolated pawn on c6 38...Re3 39.Rc6 Rg3?? 40.Rf6+– Kg7 41.Rf1 Rg2 42.Rh1 Rd2 43.Re1 Rd4 44.Bc6 e3 45.Kg3 Rd3 46.Bf3 Kf6 47.Kf4 e2? 48.Re2 Rd4 49.Be4 Ra4 50.Rg2 Kf7 51.h4 h6 52.h5 Ra5 53.Bg6 Kf8 54.Rb2 Ra4 55.Ke5 Ra5 56.Kd6 Ra6 57.Ke5 Ra5 58.Kd6 Ra6 59.Kc5 Ra8 60.Rf2 Ke7 61.Rf7 Ke6 62.Rh7 Rc8 63.Kb6 Rf8 64.Rh6 Rf6 65.Rh8 1–0. tonyr2506 – madik, Gameknot.com tournament, 2009.

5.e3 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Bd6).

5.e3 Bf5 6.Nc3 Ne7 7.a4 0–0 8.Nh4 Be6 9.Be2 e4 10.d4? (10.d3 f5+=) 10...c6 (10...g5 11.Nf3 ef3 12.Bf3–+) 11.0–0 (11.bc6 Nbc6 12.Nb5 g5–+) 11...Qc7 (better is 11...g5!? 12.f3 f5–+) 12.g3+= Bh3 13.Ng2 Nd7 14.f4 Nf5 15.Rf2? (better is 15.Qd2+=) 15...Bg2–+ 16.Rg2 (better is 16.Bg4 Ne3 17.Be6 Kh8 18.Qc1–+) 16...Ne3 17.Qc1 Ng2 18.Kg2 f5 19.a5 Rf6 20.b6 Qb8 21.Ba3 a6 22.Bd6 Qd6 23.Qe3 Rg6 24.Bh5 Rh6 25.Be2 Rf8 26.Rf1 Rff6 27.g4 Rfg6 28.g5 Rh4 29.Kg3 (29.Kg3 Rg5 30.Kf2 Rf4 31.Ke1 Rf1 32.Bf1–+). jplayer (2020) – eweram (1825), net–chess.com, 2013.

5.e3 Bg4 6.Be2 c5 7.d4 cd4 8.Nd4 Be2 (8...ed4 9.Bg4) 9.Ne2 Qa5 10.Nbc3 Ne7 11.0–0 Nd7 12.Nc1 Rc8 13.Nb3 Qb4 14.Nd5 Qb5 15.Nf6 gf6 16.Qd6 Rg8 17.Ba3 Rg7 18.Rfd1 Rc2 19.Nd2 Rc6 20.Ne4 Ra6? 21.Qc7 Qa4 22.Nd6 Rd6 23.Rd6 (23...Qa3 24.Qd7 Kf7 25.Qe6 Ke8 26.Rad1 Qd6 27.Rd6+–) 1–0. Mely (2280) – Niobe, ChessWorld.net, 2003.

5.e3 Bg4 6.Be2 Qd7 7.Nc3 Ne7 8.0–0 Bb4 (8...a6 9.a4=) 9.a4 Bf3 10.Bf3 e4 (10...0–0 11.Na2 Bd6 12.d3+=) 11.Bh5 g6 12.Be2 Nf5 (12...Qe6 13.Bg4 f5 14.Ne2=) 13.f3 Bc3 14.Bc3 (14.dc3?! Ne3 15.Qd4 Nf1 16.Rf1 Qe7=) 14...Nd6 (Better is 14...Rf8!?+/–) 15.Bf6 Rf8 16.Bd4 Rf7 17.fe4 Ne4 18.d3 Nd6 19.c4 Nf5 20.Bf3 c6 21.bc6 bc6 22.cd5 cd5 23.Qb3 Ne7 24.Bc5 Nbc6 25.Qc3 Qd8 (25...Rf5+–) 26.Bg4 d4 27.ed4 (27...Qa5 28.Qc4+–) 1–0. Trokenheim,Marek – guest482, ICC, 2004.

5.e3 Bg4 6.Be2 Ne7 7.0–0 0–0 8.c4 Kh8 9.d4 Nd7? (9...dc4 10.de5 fe5 11.Ne5 Be5 12.Be5 Be2 13.Qe2 Ng6+=) 10.c5+/– Nc5 11.dc5 Bc5 12.Nfd2 Bf5 13.Nb3 Bb6 14.Bd3 e4 15.Be2 c5 16.bc6! Nc6 (16...bc6 17.Ba3 Combination; 16...Nc6 17.Ba3 Combination) 17.Nd4 Bd7 18.Qb3 Nd4 19.Bd4 Bd4 20.ed4 Bc6 21.Nc3 a6 22.Na4 (22.f3 f5+–) 22...f5 23.Rac1 f4 24.Nc5 Qf6 25.Qh3 (25.Nb7?! Rfb8 26.Qb6 Bb7+=) 25...f3 26.gf3 ef3 27.Bd3 g6 28.Kh1 Qd4 29.Bg6 Qg7 30.Rg1 Rg8? (30...Rf6 31.Ne6 Re6 32.Qe6+–) 31.Rg3 (31.Qh4 Qg6 32.Qd4 Rg7 33.Rg6 Rag8 34.Rg7 Rg7 35.Ne6 Kg8 36.Qg7) 31...h6?? (31...Qe7+–) 32.Nd3 Bd7 33.Qh5 Be6 34.Ne5 Rac8 35.Rcg1 Rcf8 36.Rg5 Rf6 37.Bf7 (37.Bf7 Qg5 38.Rg5 Rg5 39.Qh4+/–) 1–0. Felmery,Mate (1860) – Bege,Mate (1630), Miskolc HUN, Team Youth Ch, 2011.

5.e3 Bg4 6.Be2 Ne7 7.a4 c5 8.bc6 Nbc6 9.Ba3 0–0 10.0–0 Rc8 11.Bd6 Qd6 12.Na3 a6 13.c4 Bf3 (13...e4 14.Nd4 Be2 15.Ne2–/+) 14.Bf3+= e4 15.Bg4 (15.Be2 d4+=) 15...f5–/+ 16.cd5 Ne5 (16...fg4?! 17.dc6 Rc6 18.Qg4=; worse is 16...Nd5 17.Be2–/+) 17.Be2 Rf6 18.Qb3 Nf3 (18...Rh6!? 19.f4 ef3 20.Bf3 Nf3 21.Rf3 Qh2 22.Kf1 Qh1 23.Ke2 Qg2 (23...Qa1?! 24.d6 Kh8 25.de7–/+) 24.Rf2 Qg4 25.Kd3 b6–+) 19.Bf3= ef3 20.g3 (20.Qb7 Rb8 21.Qa7 fg2+=) 20...Qd5 21.Qd5 Nd5 22.Rab1 b6 23.Rfc1 Rfc6 24.Rc6 Rc6 25.h3 Kf7 26.Kh2 Nf6 27.d3 Rc3 (27...Nd7 28.Nc4 Ke6 29.g4=) 28.Nc4= Rc2 29.g4 fg4 30.hg4 Ng4 31.Kg3 h5 (better is 31...Nf2 32.Ne5 Ke6 33.Nf3 Kd5 34.e4 Kc5 35.d4 Kc6 36.Ne5 Kc7=) 32.Kf3?? (better is 32.Rb6 Ke7 33.Ra6 Rf2 34.Ra5+/–) 32...Rf2+= 33.Kg3 (33.Ke4 Ra2 34.Kf5 g6 (worse is 34...Ra4 35.Rb6 Ra1 36.Rb7 Kf8 37.Rb8 Ke7 38.Rb7 Kf8 39.Rb8 Ke7 40.Rb7 Kf8=) 35.Kg5 Rg2+= (35...Ra4?! 36.Rb6 Ke7 37.Kg6=)) 33...Ra2–/+ 34.e4 Ra4 35.Rb6 g5 ½–½. Krivoshapko,Alexander – Adamson,Garry, 2008.

5.e3 g5 6.d3 h5 7.Nfd2 Nh6 8.Be2 h4 9.Bh5 Kf8 10.a4 Nf7 11.c4 dc4 12.Nc4 Bb4 13.Kf1 Bf5 14.e4 Be6 15.Bf7 Bf7 16.Nc3 Nd7 17.Nd5 Bd5 18.ed5 Nb6 19.Nb6 ab6 20.Qb3 Bc5 21.Rd1 Qd6 22.d4 ed4 23.Bd4 Bd4 24.Rd4 Kg7 25.f3 Rhe8 26.Kf2 Re5 27.Re4 Qd5 28.Qe3? Qa2 29.Qe2 Qe2 30.Re2 Re2 31.Ke2 Ra4 32.Rc1 c6 33.bc6 bc6 34.Rc6 Ra2 35.Kf1 b5 36.Rb6 Rb2 37.g3 h3 38.f4 gf4 39.gf4 Kg6 40.Kg1 Kf5 41.Kf1 Kf4 42.Rf6 Ke3 43.Re6 Kf3 44.Rf6 Ke3?? 45.Re6 Kd3 46.Rd6 Kc3 47.Rc6 Kb3 48.Rh6? Rh2 49.Kg1 Rg2 50.Kf1 Rg3 51.Kf2 Rc3 52.Kg1 b4 53.Kh2 Kc2 54.Rh3 Rh3 55.Kh3 b3 56.Kg4 b2 57.Kf4 b1Q 58.Ke4 Qd1 59.Ke5 Qd3 60.Kf4 Qe2 61.Kf5 Qe3 62.Kf6 Qe4 63.Kf7 Qe5 64.Kg6 Qf4 65.Kg7 Qf5 66.Kg8 Qf6 67.Kh7 Qg5 68.Kh8 Kd3 69.Kh7 Ke4 70.Kh8 Kf5 71.Kh7 Kf6 72.Kh8 Qg7# 0–1. PepRally – maxangst, Live Game Caissa's Web, 2004.

5.e3 h6 6.Nh4 Bf5?? 7.Qh5 g6 8.Ng6 Bg6 9.Qg6 Ke7?? 10.Qg7 Ke8 11.Qh8 Kd7 12.c4 dc4 13.Bc4 Ne7 14.Qf6 c6 15.a4 cb5 16.ab5 b6 17.Qf3 Kc7 18.Qa8 Nbc6 19.Qd8 Nd8+– 20.Ra7 Kb8 21.Re7! Be7 22.Be5 (22...Kc8 23.Nc3+–) 1–0. pumpkin (2405) – mpopp (1990), net–chess.com, 2004.

5.e3 Ne7

6.c4 c6 7.a4 0–0 8.Be2 e4 9.Nd4 c5 10.Nb3 Qe8 11.0–0 Qg6 12.g3 Bh3 13.Re1 Nd7 14.d4 cd4 15.Bd4 Rfc8 16.N1d2 Bb4 17.Rc1 Ne5 18.cd5 Nd5 19.Be5 fe5 20.Bc4 Be6 21.Rf1 Nc3 (21...Nc3 22.Rc3 Bc3 23.Be6 Qe6 24.Ne4 Kh8–/+) 0–1. pumpkin (2475) – cliff (2690), net–chess.com, 2013.

6.c4 c6 7.a4 Be6 8.cd5 cd5 9.Nc3 Nd7 10.Be2 Ng6 11.Qb3 Nc5=+ 12.Qc2 0–0 13.d4 Nd7 14.0–0 e4 15.Nd2 Qc7 16.g3 Rac8 17.Rfc1 Ne7 18.Qb3 f5 19.Nce4! (19...fe4 20.Rc7 Rc7 21.Ne4+–) 1–0. Wozniak – Kwiek,Janusz, corr 1. AMM Poland, 1991.

6.c4 c6 7.d4 e4 8.Nfd2 0–0 =.

6.c4 e4 7.Nd4 0–0 8.Nc3 =.

6.c4 Be6 7.Qb3 0–0 8.Nc3 c6 9.a4 Nd7 10.d4 e4 11.Nd2 f5 12.Be2 f4 13.c5 Bc7 14.Nce4 fe3 15.fe3 Nf5 16.Nf2 Qg5 17.e4 Nh4 18.Nf3?? Nf3 19.Bf3= Ba5 20.Kf1 Nf6 21.Bc1 Qg6= 22.e5 Ne4 23.Ra2 Rf7 24.Qd3 Raf8 25.Rc2?? Bd8 26.Ke2?? Bf5–+ (27.bc6 Nf2–+) 0–1. katchum (2495) – leen (2120), net–chess.com, 2005.

6.c4 Bg4 7.h3 Bh5 8.d4 ed4 9.Bd4 c5 10.Bb2 Bf7 11.Nc3 Bc7 12.Qc2 Ba5 13.cd5 Nd5 14.Bc4 Bg6 +=.

6.d4 e4 7.Nfd2 c6 8.c4 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6 5.c4 c6 6.Nf3 Ne7 7.d4 e4 8.Nfd2).

4.Nf3 Qf6

5.e3 =+.

5.g3 Ne7 6.Bg2 Nd7 7.d3 0–0 8.0–0 a6 9.a4 c6 10.c4 dc4 11.Nbd2 cd3 12.Ne4 Qg6 13.Qd3 Bc7 14.bc6 Nc6 15.Nh4 Qg4 16.Rfd1 Rd8 17.Qc2 Bb6 (17...Rb8 18.Rac1–/+) 18.Bf3 Qe6 19.Ng5 (19.Rd6 Nb4 20.Qd2 Bf2 21.Nf2 Qc4+–) 19...Qh6 20.Bc1 (20.Bc6 bc6 (20...Qc6 21.Qh7 Kf8 22.Nf5+–; 20...Qg5?! 21.Nf3 Qh5 22.Bd7 Bd7 23.Be5=) 21.Nhf3 Re8–/+) 20...Nd4 21.Rd4 Bd4 (21...ed4 22.Nf5) 22.Nf5 Qf6?? (better is 22...Bf2 23.Kf2 Qh2 24.Kf1 Nf6 25.Ne7 Kf8–/+) 23.Ne7!+/– (23.Ne7 Kf8 24.Nh7 Ke7 25.Ba3 Ke8 26.Nf6 Nf6 27.e3+–) 1–0. Fernandez Fornes,Juan Alberto – Kusmierek,Jozef, corr 3GMM½–01, 1999.

4.Nf3 Nf6

5.e3 (--> 4.e3 Nf6 5.Nf3).

5.Be5= Bg4 6.Nc3+= Bf3 7.Bf6 Qf6 8.gf3 d4 9.Ne4 Qe6 10.c3 dc3 11.dc3 Nd7 12.Qb3 Qb3 13.Nd6+/– cd6 14.ab3 0–0 15.e3 Nc5 16.Bc4+– b6 17.Bd5 Rac8 18.Ra7 Ne6 19.Kd2 Rc7 20.Rha1 Rfc8 21.R7a6 Rc3 22.Bc4 d5 23.Kc3 dc4 24.Ra8 (24...Rf8 25.bc4+–) 1–0. gtate (2620) – kode (2410), net–chess.com, 2007.

4.g3 c5

5.e3 Nf6 6.Nf3 e4 7.Ne5 Be5 8.Be5 Bd7 (8...Nbd7!? 9.Bf4 h6–/+) 9.a4 (9.Nc3 Be6=) 9...Bg4 10.Be2 (10.Bf6 Bd1 11.Bd8 Bf3=) 10...Be2 11.Qe2 Nbd7 12.Bf6 (12.Bf4!?+=) 12...Qf6–/+ (worse is 12...Nf6 13.0–0+=; worse is 12...gf6 13.f4=) 13.Nc3 Qe5 (better is 13...Ne5!?–/+) 14.0–0 Nf6 15.a5 0–0 16.Na4 Qd6 17.d3 ed3 18.cd3 Rfe8 19.Qb2 b6 20.a6 Rad8 21.Rfd1 d4 22.Qc2?? (better is 22.e4–/+) 22...de3–+ 23.fe3 Rd7?? (better is 23...Ng4 24.Re1 Ne3–+) 24.Nb2–/+ Red8 (24...Re3?! 25.Nc4 Qd4 26.Ne3 Qe3 27.Qf2 Qf2 28.Kf2 Ng4 29.Kg1=) 25.Nc4 Qe6 26.e4 Ng4 27.h3? (better is 27.Ra3!?–/+) 27...Ne5–+ 28.Ne5 Qe5 29.Rac1?? (29.Kh2 Rd4–+) 29...Qd4 (better is 29...Qg3 30.Qg2 Qe3 (worse is 30...Rd3 31.Qg3 Rg3 32.Kf2–+) 31.Qf2 Qh3–+) 30.Kf1 Qe3 (30...Qe3 31.Qf2 Qh6–+) 0–1. croach (2355) – cervejarj (2190), net–chess.com, 2015.

5.f4 ef4? 6.Bg7 fg3 7.Nf3 +– (7.Bh8 gh2 8.Qc1 hg1B 9.Rg1 Qh4 10.Kd1 Nf6=+).

5.f4 f6 6.Bg2 Be6 7.Nf3 Nd7 8.e3 Ne7 (8...Nh6 9.0–0–/+) 9.d4 (better is 9.fe5!? Ne5 10.Ne5 fe5 11.0–0=+) 9...cd4 10.ed4 e4 11.Nh4 0–0 (11...Qa5 12.Bc3 Qb5–+) 12.Nd2? (12.c4 dc4 13.Be4 Bd5=+) 12...Rc8 (12...g5 13.f5 Bf7 14.a4–+) 13.c3? (13.f5 Nf5 14.Nf5 Bf5–/+) 13...a6 (better is 13...g5!? 14.Be4 de4 15.Ne4 Qc7–+ (15...gh4?! 16.Nd6 Rc7 17.Rg1–/+)) 14.ba6 ba6 15.a3 Qb6 16.Qc2? a5 17.Rf1? Qa6 18.Ne4 de4 19.Qe4 Bf7 20.f5 Rce8 21.Qb7 Qb7 22.Bb7 Nf5 23.Kd2 Ne3 24.Rfe1 Nc4 25.Kc2 Re1 26.Re1 Nb2 27.Kb2 Rb8 28.Kc2 Rb7 29.a4 Ba3 30.Kd3 g6 31.Nf3 Kg7 32.Nd2 Rc7 33.c4 Bb4 34.Rc1 Bd2 35.Kd2 Rc4 36.Rc4 Bc4 37.Kc3 Ba6 38.d5 Kf7 39.Kd4 Ke7 40.h4 Kd6 41.g4 Nb6 42.g5 fg5 43.hg5 Na4 44.Ke4 Nb6 45.Kd4 Nd5 46.Ke4 a4 47.Kd4 a3 48.Ke4 a2 49.Kf3 a1Q 50.Ke4 Qe5 51.Kf3 Qf4 (52.Kg2 Ne3 53.Kg1 Qg3 54.Kh1 Bb7#) 0–1. MasterofDisaster – avans, Live Game Caissa's Web, 2004.

4.g3 Nf6

5.Bg2 a6 6.ba6 Na6 7.e3 (7.Nf3 e4 8.Nd4 0–0–/+) 7...Nc5 8.Ne2 0–0 9.0–0 Be6 10.d4 ed4 11.Nd4 Re8 (11...Na4 12.Ba3–/+) 12.Nd2 (12.Ne6 fe6 13.c4 c6=+) 12...Ra7 (12...Bg4!? 13.Qb1 Nfe4 14.Ne4 A) 14...Re4? 15.f3+– (15.Be4?! de4 16.f3 ef3+=); B) 14...de4=+) 13.Nb5= Ra6 14.Nd6 Rd6 15.Be5 Ra6 16.Re1 Ncd7 17.Bf1? Ne5–+ 18.Ba6 ba6 19.Kg2 Bc8 20.f4 Nc4 21.Nc4 dc4 22.Qd8 Rd8 23.Rad1 Re8 24.Rd4 Bb7 25.Kh3 Nd5 26.e4 Nc3 27.e5 Na2 28.Rc4=+ c6 29.Ra1= c5 30.Ra2 Bd5 31.Raa4 Bc4 32.Rc4 Rc8 33.Kg4 g6 34.Kf3 Kf8 35.Ke4+/– Ke7 36.Kd5 f6 37.ef6 Kf6 38.Rc5 Rc5? 39.Kc5+– Kf5 40.Kb6 Kg4 41.c4 Kh3 42.c5 Kh2 43.c6 Kg3 44.c7 Kf4 45.c8Q h5 46.Qh3 Kg5 47.Ka6 h4 48.Kb5 Kh5 49.Kc4 g5 50.Qf5 Kh6 51.Qg4 (51...Kg6 52.Qe6 Kh5 53.Kc5+–) 1–0. MasterofDisaster – splif3, Live Game Caissa's Web, 2004.

5.Bg2 c6 6.a4 Bd7 7.Nf3 cb5 8.Ne5 Be5 9.Be5 ba4 10.c4 (10.Nc3 0–0+=) 10...Bc6 (10...Nc6!? 11.Bf6 Qf6=) 11.cd5= Bd5 12.Qa4 Bc6 13.Bc6 Nc6 14.0–0 0–0 15.Nc3?? Ne5–+ 16.d4 Ng6 17.e3 a6 18.Qb3 Rc8 19.Ne2 b5 20.Ra6 Rb8 21.h4? Ne4 22.h5 Nd2 23.Qa2 Nf1 24.hg6 Ne3 25.gf7 Rf7 26.fe3 Qf8 27.Nf4 Kh8 28.Kg2 h6?? 29.Ng6+– (29...Kh7 30.Nf8 Rff8 31.d5+–) 1–0. MasterofDisaster – acB, Live Game Caissa's Web, 2004.

5.Bg2 Qe7 6.e3 Nbd7 7.Ne2 Nb6 8.d3 a6 9.ba6 Ra6 10.Nbc3 0–0 11.0–0 Bg4 12.Qc1 Qd7 0–1. Reussner,Hans_Dieter – Binder,Klaus, DESC, 2001.

5.Bg2 0–0

6.c4 a6 7.cd5 ab5 8.a3 –/+.

6.c4 d4 7.d3 a6 (7...Nbd7 8.Nf3+=) 8.Nd2+= Nbd7 9.Nh3 (9.Ngf3 Nc5+=) 9...Rb8 (9...Nc5!? 10.0–0 ab5 11.cb5 Bg4–/+) 10.Ng5 c5 (10...h6!? 11.Nge4 Ne4 12.Ne4 Bb4 13.Nd2 Nc5–/+) 11.0–0 (11.a4 h6 12.Ngf3 a5=) 11...Be7 (11...h6 12.Nge4 Ne4 13.Ne4=) 12.Nge4 (12.a4 Nh5 13.Ngf3 Qc7+=) 12...Ne4 13.Be4 (13.Ne4 f5 14.Nd2 Nf6=) 13...f5 (13...Nf6 14.Bg2=) 14.Bd5 Kh8 15.e3 (15.Qb3 Qc7=) 15...f4 (15...Nf6 16.Bf3+=) 16.ed4 ed4 17.Qe2 (17.Re1 Nf6 18.Bf3 Bf5=) 17...Nf6 18.Bf3 Bd6 19.Ne4 (19.Rfe1 Re8 20.Qf1 Be6=) 19...Bh3 (19...Ne4 20.Be4 (worse is 20.de4 Be5–/+; 20.Qe4?? Re8–+) 20...Bf5 21.a4+=) 20.Rfe1 Ne4 21.Be4 (worse is 21.Qe4 fg3 22.fg3 ab5 23.cb5 Qd7–+) 21...Qf6 (better is 21...Qg5!?+=) 22.Qh5+= Qh6 23.Qh6 gh6 24.Bc1 (24.a4 h5+=) 24...ab5= 25.cb5 h5 26.Bf4 (26.a4!? h4 27.Bf4 Bf4 28.gf4 Rf4 29.Kh1=) 26...Bf4+= 27.gf4 Rf4 28.Bd5 Rf5 (28...b6 29.Re5+=) 29.Be4 Rf4 ½–½. Kermeen,Robert – Engelen,J, 11th ch–NATO, Leopoldsburg BEL, 2000. (=1.g3 d5 2.Bg2 e5 3.b4 Nf6 4.Bb2 Bd6 5.b5 0–0)

6.d3 c6 7.bc6 bc6 8.Nf3 Re8 9.0–0 Bg4 10.Nbd2 Nbd7 11.c4 Rb8 12.Qc2 e4 13.de4= de4 14.Nd4 Qb6 15.Rfb1 e3 16.fe3 Re3 17.Kh1 Qc7 18.Nf1 Re7 19.e4 Rbe8 20.Re1 Be5 21.c5 Nf8 22.h3 Bc8 23.Nf5 Bf5–/+ 24.ef5 Bb2 25.Re7 Qe7 26.Qb2 Qc5 27.Rc1 Qf5 28.Rc6 Re1 29.Kh2? Rf1–+ 30.Bf1 Qf1 31.Qg2 Qd3 32.Rc7 Qe3 33.Rc2 h5 34.Qf2 Qd3 35.Rd2 Qa3 36.Rc2 Ne4 37.Qf4 Nf6?? 38.Qf5?? Ng6–+ 39.Qc5 Qd3 40.Qc4 Qd1 41.Qe2 Qa1 42.Qf2 a5 43.Qf5 a4 44.Qb5 Ne5 45.Qe2 Qd4 46.Qf2 Neg4! (47.hg4 Ng4 48.Kg1 Nf2 49.Rf2 g5–+) 0–1. Wisniewski,Jan – Skonieczny,Jerzy, corr 2. AMM Poland, 1994.

6.e3 Re8 7.Ne2 Bd7 8.a4 a6 9.Nec3 c6 10.ba6 (10.0–0 Bf5–/+) 10...Ra6 11.Na3 Bg4 12.f3 Bh5 13.g4 Bg6 14.h4 h5 15.g5 Nfd7 16.e4 Nc5 17.ed5 e4 18.0–0 cd5 19.Nd5 (Better is 19.Nab5!? Bg3 20.Qe2–/+) 19...Na4–+ 20.Bg7 Kg7 21.Nf6?! Re6 22.fe4 Nd7 23.Nh5 Bh5 24.Qh5=+ Rg6 25.Nc4 Bc5 26.Kh1 b5 27.Ne3 Be3–+ 28.de3 Ne5 29.Bh3 Qh8 30.Bg4 Rac6 31.Qh8 Kh8 32.Bh5 Rg7 33.Rf5 Rh7 34.Re5 Rh5 35.Rb5 Rh4 36.Kg2 Re4 37.Kf3 Kg7 38.Ke4 Nc3 39.Kd4 Nb5 40.Kd5 Rc2 41.e4 Rg2 42.Re1 Rg5 43.e5 Nc7 44.Kc6? Ne6–+ 45.Kd7 Nf4 46.Kd6 Rg6 47.Kd7 Re6 48.Rg1 Ng6 49.Re1 Re5 50.Re5 Ne5 51.Kd6 f6 52.Kd5 Kg6 53.Ke4 Kg5 54.Ke3 Kg4 55.Ke4 Ng6 56.Ke3 f5 57.Ke2 f4 58.Kf2 f3 59.Kg1 Kg3 60.Kf1 f2 61.Ke2 Kg2 62.Ke3 f1Q 63.Ke4 Qf6 64.Kd5 Qe7 65.Kd4 Qe6 66.Kd3 Qe5 67.Kc4–+ Qd6 68.Kb5 Qc7 69.Kb4 Qc6 70.Kb3 Qc5 71.Kb2 Qc4 72.Kb1 Qe2 73.Kc1 Ne5 74.Kb1 Nc4 75.Kc1 Qd2 (76.Kb1 Qb2#) 0–1. MasterofDisaster – dtp100, Live Game Caissa's Web, 2004.

6.e3 Re8 7.Ne2 Bg4 8.h3 Bd7 9.a4 Qc8 (9...a6 10.Nbc3 ab5 11.Nd5 Nd5 12.Bd5–/+) 10.g4 (10.f4 Bf5=+) 10...c6 (10...a6 11.Nbc3 ab5 12.g5=) 11.Nbc3 (11.g5!? Ne4 12.Be4 de4 13.Nbc3=+) 11...d4 12.Ne4 Ne4 13.Be4 cb5 14.Bg2 ba4 15.0–0 Bc6 16.e4 b5 17.d3 b4 18.c4 bc3 19.Ba3 Ba3 20.Ra3 Nd7 21.f4 f6 22.f5 Nc5 23.h4 Rb8 24.h5 Rb3 25.Qc1 Nd3 26.Qc2 Ra3 27.Qd3 Qb7 28.g5 Bb5 29.Qc2 Be2 30.Qe2 Qb2 31.Qc4 Kh8 32.Qf7 Rg8 33.h6 Qb8 34.gf6 gh6 35.Qe6 Rg2 36.Kg2 Qg8 37.Qg8 Kg8 38.Rc1 d3 39.Rb1 Rb3 40.Ra1 d2 41.Ra4 d1Q 42.f7 Kf7 43.Ra7 Kf6 44.Ra6 Kg5 45.f6 Qd2 46.Kg3 c2# 0–1. MasterofDisaster – foy, Live Game Caissa's Web, 2004.

6.Nf3 Qe7 –/+.

3.Bb2 Nd7

4.a3 Ngf6 5.e3 c6 6.Nf3 Bc5 7.Be2 0–0 8.0–0 h6 9.Ne5 Ne5 10.d4 Bd4 11.Bd4 Qc7 12.f4 Neg4= 13.Nc3 Re8 14.Bg4 Ng4 15.bc6 bc6 16.Qf3 Qe7 17.Rae1 Qe6?? 18.e4?? de4 19.Re4+/– Qd7 20.Re8 Qe8 21.Ne4 Qd8 22.Bc5 Qh4? 23.h3+– Ba6 24.Rd1 Nf6 25.Nf6 Qf6+= 26.Rd6 Qa1 27.Kh2+– Qa2 28.Qc6 Rc8 29.Qa6 Rc5 30.Rd8 Kh7+/– 31.Qd3 g6?? 32.Qd4 (32...Re5 33.Qe5 g5 34.Qf6 Qa3 35.Qf7#) 1–0. dale2 – Enigmatic, Live Game Caissa's Web, 2005.

4.a4 Ngf6 5.e3 (--> 3.Bb2 Nd7 4.e3 Ngf6 5.a4).

4.Nc3 Ngf6 5.e3 c5 6.d4? (better is 6.bc6 bc6 7.Nf3+=) 6...cd4–+ 7.ed4 e4 8.Nge2 (8.Nh3 Nb6 9.Qd2 Bb4–+) 8...Nb6 9.Ng3 (9.Nf4 Bd6 10.g3 Qc7–+) 9...Bb4 10.a3 Ba5 11.a4 h5 12.h4 (12.Be2–+) 12...Qc7 13.Qd2 (13.Ra3 Ng4 14.Rh3 e3 15.fe3 Ne3–+) 13...Ng4 14.Rh3 (14.Nge2 Nc4 15.Qc1 Rh6–+) 14...e3! 15.fe3 Nh2!! (15...Nh2 16.Kf2 Nf1 17.Rf1 Bh3 18.gh3 Rc8–+) 0–1. Mantau,Jan (2085) – Elschner,Gerald (2205), RSX7E – A00 – Sokolsky–1, 2008.

4.d3 Ngf6–/+ 5.c4 Bb4 6.Bc3 Bc3 7.Nc3 d4 8.Nb1 a6 9.ba6 Ra6 10.g3 Nc5 11.Nf3 Qd6 12.Bg2 0–0 13.Nbd2 Bd7 14.0–0 Rfa8 15.Qc2 Bc6 16.Rfb1 Ra3 17.Nh4 Bg2 18.Ng2 b6 19.Nb3 Ne6 20.Nd2 Ng5 21.Nf3? Nh3–+ 22.Kf1 Ng4 23.Rb3 Nhf2 24.Ra3 Ra3 25.Rb1 Qf6 26.c5 e4 27.cb6 ef3 28.bc7?? fg2 29.Kg2 h5?? 30.c8Q+– Kh7 31.Q2c5 Rc3?? 32.Qh5 Qh6 33.Qcf5 (33...g6 34.Qf7 Kh8 35.Rb8 Rc8 36.Rc8#) 1–0. Nittschalk,Karl – Abromeit,Guenter, DESC, 2001.

4.d4 Bb4 5.c3 Bd6 6.c4 ed4 7.Qd4 Ngf6=+ 8.cd5 Be5 9.Qd2 Ne4 10.Qb4 Nf2 11.Be5 Ne5 12.Kf2= Qf6 13.Ke1 Ng4 14.Qc3 Qf2 15.Kd2 Qf1 16.h3 Qg2 17.Qf3 Qf3 18.Nf3 Nf6 19.Nc3 a6 20.a4 0–0 21.e4 ab5–/+ 22.ab5 Ra1 23.Ra1 Bh3 24.Ke3 Nd7 25.Ra7 Rb8 26.e5 h5 27.Kf4 Nb6 28.Kg3 Bf1 29.Nd4 Bc4 30.Nf5 g5 31.d6 cd6 32.Nd6 Be6 0–1. Taulien,Hans_Juergen – Schuster,Peter, remoteschach.de, 2003.

4.Be5?? Bb5 5.Nf3 Bd6?? 6.Bg7+– Be5 7.Ne5 (7…f6 8.e3 Bf1 9.Qh5 Ke7 10.Rf1+–) 1–0. Trkn – guidoz, ICC, 2004.

4.Be5?? Ne5 (5.d4 Ng6–+) 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

4.Nf3 Bd6 (--> 3.Bb2 Bd6 4.Nf3 Nd7).

4.Nf3 Ngf6 5.Ne5= Ne5 6.Be5 Be7 7.e3 0–0 8.Be2 Re8 9.Nc3 Bb4 10.Bf6+/– Qf6 11.Nd5 Qd6 12.Nb4+– Qb4 13.0–0 Bf5 14.d4 Rad8 15.c4 Qe7 16.Qa4 Ra8 17.Bf3 Be4 18.Be4 Qe4 19.Rfd1 Re6 20.Qa5 Rg6 21.g3 Rf6 22.Qc7 Qf3 23.Rd2 (23...Rb6 24.a4+–) 1–0. Van Rooijen,Peter (1700) – Budzul, B–001–LIAPE, 2002.

4.g3 Ngf6 5.Bg2 a5 6.a4 Bd6 7.d3 c6 8.Nc3 0–0 9.Nf3 d4 10.Ne4 Ne4 11.de4 Bb4 12.Nd2 cb5 13.ab5 Qe7 14.0–0 Qc5 15.Re1 Qb5 16.Ba3 Ba3 17.Ra3 Qb4 18.Rb3 Qe7 19.e3 Nc5 20.Rb1 Rd8 21.Qe2 de3 22.Qe3 Ne6 23.Nf3 f6 24.Nh4 Qc7 25.c3 a4 26.Ra1 Nc5 27.Reb1 Rd3 28.Qe1 Be6 29.Bf1 Rdd8 30.Qe3 Nb3 31.Ra2 Rdc8 32.Rc2 a3 33.c4 a2 34.Ra2 Ra2 35.Rb3 Bc4 36.Rc3 Ra1 37.Rc1 Rc1 38.Qc1 Bf1 39.Qc7 Rc7 40.Kf1 Rc4 (41.f3 Rc2–+) 0–1. Drexhage,Ulrich (1605) – Franken,Paul (1950), remoteschach.de, 2005.

4.d4 Bd6

5.e3 Ngf6 –/+.

5.de5 Be5 6.Bc3 Qf6 7.Nf3?? (7.Qd2 Nc5 8.Nf3 Bc3 9.Qc3+= (9.Nc3?? Ne4 10.Qd4 Qd4 11.Nd4 Nc3–+)) 7...Bc3–+ 8.Nc3 Qc3 9.Nd2 Ngf6 10.Rb1 Nc5 11.e4 (11.g3 Bf5 12.Bg2 Nfe4–+ (12...Bc2?! 13.Rc1–+)) 11...de4 12.Bc4 (12.Qc1 e3 13.Bd3 ef2 14.Ke2 0–0–+) 12...0–0 13.0–0 (13.b6 ab6 14.0–0 Bg4–+) 13...Bg4 14.Qe1 Rad8 15.Ne4 (15.h3 Bh5 16.Qe3 Qe3 17.fe3 Rd2–+) 15...Nfe4 16.f3 (16.Qc3 Nc3 17.Rb4 Rd4–+) 16...Qc4 17.fe4 Ne4 18.Rb4 Qc5 19.Kh1 Nf2! 20.Kg1 (20.Qf2 Qb4 Deflection; 20.Rf2 Rd1 Decoy) 20...Nh3 21.Kh1 Rd1 22.Qe4 (22.Rbf4 Re1 23.gh3 Qd5 24.Kg1 Bh3 25.Kf2 Rf1 26.Kg3 Qg2 27.Kh4 Rf4 28.Kh5 Qd5) 22…Qg1! (22...Qg1 23.Rg1 Rg1#; 22...Rf1#) 0–1. Taulien,Christian (2110) – Irmer,Friedrich (2255), RST4–6D–1 remoteschach.de, 2004.

5.de5 Be5 6.Nc3 Ne7 =.

5.de5 Be5 6.Be5 Ne5=+ 7.Qd4 Qf6 8.Nc3 Ne7 9.Rd1 c6 10.Ne4 Qg6 11.Qe5 Qe4 12.Qg7 Rf8 13.Qb2 Bf5 14.c3 Qc2 15.Rd2 Qb2 16.Rb2 0–0–0 17.bc6 Nc6 18.Nf3 d4 19.cd4 Nd4 20.Nd4 Rd4 21.e3 Rd6 22.Rd2 Rfd8 23.Rd6 Rd6 24.f3 Rb6 25.g4 Be6 26.Bd3+= Rb2 27.Bh7 Ra2 28.Bb1 Rb2 29.Be4 a5 30.0–0 a4 31.Ra1 b5 32.h4 Kc7 33.h5 Kb6 34.h6 f5?? 35.h7+– fe4 36.h8Q Rd2 37.Qb8 Ka5 38.Qc7 Kb4 39.Qe7 Kb3 40.Qa3 (40...Kc4 41.Rc1 Rc2 42.Rc2 Kd5 43.Qc5#) 1–0. Trkn – guest352, ICC, 2004.

5.de5 Be5 6.Be5 Ne5 7.e3 Nf6 8.Qd4 Qd6 9.Nf3 Nf3 10.gf3 Bf5 11.Bd3 Bg6 12.Rg1 a6 13.Qa4 Qd7 14.Nc3=+ Bd3 15.cd3= 0–0 16.Qd4 Qf5 17.e4 de4 18.fe4 Rfe8 19.0–0–0 Qf4=+ 20.Kc2 Rad8 21.Qe3 Qe3 22.fe3= ab5 23.Nb5 ½–½. Jolilein – MisterBean, mySchach.de, 2005.

5.de5 Ne5 6.Nf3 Nf3 7.ef3 =+.

4.d4 e4

5.a3 Ngf6 6.e3 Bd6 7.g3 0–0 8.Bg2 Nb6–+ 9.Ne2 Nc4 10.Bc3 a6 11.ba6 Ra6 12.0–0 Bg4 13.Qe1 Qd7 14.Nf4 Nh5?? 15.Nd2? Nf4 16.ef4 Na3 17.Qc1 Rfa8 18.Qb2 b5 19.Nb3 Bh3 20.Nc5 Bc5 21.dc5 f6 22.Bb4? Nc4 23.Qd4 c6 24.Ra6 Ra6 25.Ra1 Ra1 26.Qa1 Bg2 27.Kg2 d4 28.Qe1 e3 29.f3 d3 30.cd3 Qd3 31.Qf1 Qf1 32.Kf1 Kf7 33.Ke2 Ke6 34.g4 h5! 35.Kd3 hg4 36.fg4 g6 37.h4 g5! 38.fg5 fg5 39.hg5 Ne5 40.Ke3 Ng4 41.Ke4 Nf2 42.Kd4 Ng4 43.Ke4= Ne5 44.Bd2 Ng6 45.Bc3 Ne7 46.Bd2 Nd5 47.Bf4 Ne7 48.Bd2 Ng6 ½–½. stardom (2140) – ramprasad (2115), net–chess.com, 2004.

5.Nd2 Bd6 6.e3 Ngf6 7.c4 0–0 8.Nh3 Re8 9.Be2 b6 10.0–0 Bb7 11.Nf4 Bf4 12.ef4 a6 13.a4 dc4 14.Bc4 ab5 15.Bb5 c6 16.Bc4 Nd5 17.Qh5 N7f6 18.Qh4 Qd6 19.Ba3 Nb4 20.Qg3 Re7 21.f5 Qg3 22.hg3 c5 23.dc5 bc5 24.Bb2 e3 25.Bf6 gf6 26.fe3 Nc2 27.Ra2 Ne3 28.Rb1 Rd8 29.Rb5 Rc7 30.Rb3 Nf5 31.a5 Rcd7 32.Nf1 Be4 33.Rb5 Rd1 34.Rc5 Ng3 35.Rf2 Bg6 36.Rc7 Ne4 37.Rf4 Kg7 38.a6 R1d7 39.Rd7 Rd7 40.Ne3 Ra7 41.Nd5 h6 42.Nb4 Nd6 43.Bd5 Bf5 44.Kf2 Be6 45.Bf3 Nc4 46.Rd4 Ne5 47.Bb7 Bb3 48.Ke3 f5 49.Kf4 Ng6 50.Kf5 Be6 51.Ke4 Ne7 52.Ke5 h5 53.Be4 Bc8 54.Rd6 h4 55.Bd3 h3 56.gh3 Bh3 57.Nc6 Nc6 58.Rc6 Re7 59.Kf4 Bg2 60.Rb6 Rd7 61.Rb3 Rd4 62.Kg3 Bd5 63.Ra3 Kf6 64.Be2 Rd2 65.Bf3 Ra2 66.Ra2 Ba2 67.a7 Ke7 68.a8Q 1–0. Crafty 19.01 – Comet B25, 2003.

5.Nd2 Bd6 6.e3 Ngf6 7.c4 Bb4 8.a3 Ba5 9.cd5 Nb6 10.d6 cd6 11.Rc1 Be6 12.Nh3 Rc8 13.Ng5 Bc4 14.Be2 h6 15.Nh3 Be2 16.Ke2 Qd7 17.f4 ef3 18.gf3 Qh3 19.Rc8 Qc8 20.Nb3 Bc3 21.Bc3 Qc3 22.Qd3 Qb2 23.Nd2 Nfd5 24.Qb3 Nc3 25.Kd3 Qb3 26.Nb3 Nb5 27.Ra1 Nd5 28.a4 Nbc7 29.e4 Nf4 30.Ke3 Ng2 31.Kf2 Nh4 32.Na5 b6 33.Nc6 Kd7 34.Rc1 Ne6 35.d5 Nf4 0–1. Crafty 19.01 – Comet B25, 2003.

5.Nd2 Ngf6 6.e3 Bd6 7.c4 Bb4 8.a3 Ba5 9.cd5 Nb6 10.Be2 0–0 11.Nh3 Bh3 12.gh3 Qd7 13.d6 cd6 14.0–0 Qh3 15.Nb3 Na4 16.Rb1 Bc3 17.Bc1 Rfc8 18.Nd2 Bd2 19.Bd2 Nc3 20.Bc3 Rc3 21.Rb3 Nd5 22.Rc3 Nc3 23.Qe1 Rc8 24.Kh1 Ne2 25.Qe2 Rc2 26.Qd1 Ra2 27.Kg1 Ra3 28.Qe2 d5 29.Rc1 f6 30.Qc2 Qg4 31.Kh1 Qf3 32.Kg1 b6 33.Qc6 Kf7 34.Qd5 Kg6 35.Qc4 Qg4 36.Kh1 Kh6 37.Qf1 Ra2 38.Ra1 Ra1 39.Qa1 Qe2 40.Kg2 Qb5 41.Qa7 Qg5 42.Kf1 b5 43.Qc5 Kg6 44.Qc6 Qf5 45.Ke1 Kg5 46.d5 Qg4 47.Qb5 Qg1 48.Ke2 Qg4 49.Kd2 Qf5 50.Ke1 g6 51.Qb7 Qe5 52.h4 Kh6 53.Qc6 f5 54.d6 Qa1 55.Ke2 Qb2 56.Kf1 Qa1 57.Ke2 Qb2 58.Ke1 Qa1 59.Ke2 ½–½. Crafty 19.01 – Comet B50, 2003.

5.e3 a6 6.ba6 b6 7.c4 (7...dc4 8.Bc4=). Taulien,Hans_Juergen – Hueckers,Ernst, remoteschach.de, 2003.

5.e3 Nb6 6.a4 Nf6 7.a5 Nbd7 8.c4 Be7 9.Nc3 c6 10.cd5 cd5 11.Nge2 0–0 12.Nf4 Bb4 13.Qa4 Qe7 14.Qb3 Rb8 15.Ba3+/– Ba3 16.Qa3 Qd8 17.Be2 b6 18.a6 Re8 19.Qd6 Kh8 20.0–0 Ra8 21.Nfd5 Rb8 22.Nb4 Re6 23.Nc6 Qg8 24.Qg3 Ra8 25.Bc4 Re8 26.Qc7 Qf8 27.Rfc1 Qg8 28.Na7 g6 29.Bd5 Nd5 30.Nd5 f6 31.Nf4 g5 32.Nh5 Rd8 33.Ng3 f5 34.Nf5 Qf8 35.Nc6 Nf6 36.Nd8 Bf5 37.Rc6 Nd7 38.Ne6 Qe8 39.d5 Kg8 40.a7 Be6 41.de6 Nf6 42.Qb7 Nd5 43.Rac1 Ra7 44.Qa7 (44…Qe7 45.Qb8 Kg7 46.Qe5 Kg6 47.Qe4 Kf6 48.Qd5+–) 1–0. Taulien,Hans_Juergen – Dammer,Axel, RSM2003 remoteschach.de, 2003.

5.e3 Ngf6 6.Nd2 a6 7.ba6 b6 8.c4 Bb4 9.Ne2 Bd2 10.Qd2 Ba6 11.Nc3 dc4 12.a4 0–0 13.Be2 Re8 14.Qc2 c6 15.Ba3 Nd5 16.Ne4= b5 17.ab5 cb5 18.0–0 b4=+ 19.Bb2 Qe7 20.Ra6 Ra6 21.Qc4 Ra5 22.Bf3 N7b6 23.Qb3 Na4 24.Ra1 Rea8 25.Ra4 Ra4–/+ 26.g3 R4a5 27.Nc5= Nf6 28.Ba8 Ra8 29.Qb4 Qd6 30.Qe1 Rb8 31.Bc1 Qd5 32.Qe2 Ne4 33.Qf3 f5 34.Kg2 Rb1 35.Ba3 h5 36.h4 Qa8 37.Ne4 Qe4?? 38.Qe4= fe4 39.g4 hg4 40.Kg3 Rf1 41.Bd6 Kf7 42.Be5 g6 43.Kf4 Rf2 44.Ke4 Rf3 45.Bf4 Ke6 46.Bg5 ½–½. Taulien,Hans_Juergen (2225) – Baumann,Heinz (2245), RSL2, 2004.

5.e3 Ngf6 6.Nd2 Nb6 7.a4 Bd7 (7...a5 8.ba6 ba6 9.a5+=) 8.a5 Nc8 9.c4 Bb4 (9...dc4 10.Bc4 Nd6 11.Qb3+=) 10.a6 (10.cd5 Nd5 11.Qh5 Be6=) 10...Rb8 (10...ba6 11.ba6 Nd6 12.cd5 Nd5 13.Ba3+=) 11.Ne2 (11.Ba3 Ba3 12.Ra3 ba6 13.Ra6 dc4 14.Bc4 Bb5 15.Bb5 Rb5=) 11...ba6 12.ba6 Nd6 13.Bc3 Nc4 (13...dc4 14.Qc2+=) 14.Nc4 dc4 15.Qd2 (15.Bb4 Rb4 16.Nc3 Qe7+=) 15...Be7 (15...Qe7 16.Nf4 Bc3 17.Qc3–/+) 16.Ng3 (16.Qc2 Bb5+=) 16...Be6 17.Be2 0–0 18.0–0 (18.Qc2 Qd5+=) 18...Qd7 (18...Bd6 19.Rfb1+=) 19.Rfc1 Rfc8 20.Ba5 Exerts pressure on the isolated pawn (20.Qa2 Rb3+=) 20...c5 21.Bc4 cd4 22.Be6 Rc1 (22...Qe6 23.ed4 Bd6 24.Qg5+=) 23.Qc1 fe6 (23...Qe6 24.ed4 Bd6 25.Qg5–/+) 24.ed4 Qd4 25.Bc3 Qd3 26.Be5 Rb5 27.Bf6 gf6 28.Nf1 1–0. Taulien,Hans_Juergen (2350) – Hauschild,Achim (1935), remoteschach.de, 2004.

5.e3 Ngf6 6.Nd2 c6 7.bc6 bc6 8.c4 Rb8 9.Bc3 Be7 10.Ne2 0–0 11.Ng3 Re8 12.c5 Nf8 13.Qa4 Qc7 14.Ba5 Qd7 15.Be2 g6 16.h3 h5 17.Bc3 Ne6 18.Nb3 Nh7 19.0–0 h4 20.Nh1 f5 21.Na5 Bb7 22.Nb7 Rb7 23.Rab1 Bf6 24.Rb7 Qb7 25.Ba6 Qd7 26.Rb1 Nc5 27.dc5 Bc3 28.Rb7 Qe6 29.Ra7 Rb8 30.Rc7 Be5 31.Rc6 Qe8 32.Bf1 Nf8 33.Qa6 Ra8 34.Qb7 Ra2 35.Ra6 Rd2 36.c6 Rc2 37.Qb3 Rc5 38.f4 ef3 39.Nf2 Qe7 40.Qd1 fg2 41.Bg2 Qg5 42.Ra3 Kh7 43.Rd3 Rc6 44.Rd5 Bg7 45.Qd2 Ra6 46.Nd1 Ra1 47.Ra5 Rb1 48.Qd3 Rb7 49.Kf1 Rc7 50.Qd2 Nd7 51.Rb5 Nc5 52.Qb4 Rd7 53.Nf2 Nd3 54.Nd3 Rd3 55.Qf4 Qf4 56.ef4 Rd4 57.Bd5 Rf4 58.Ke2 Kh6 59.Rb1 Ra4 60.Rf1 Be5 61.Rf3 Kg5 62.Bb3 Re4 63.Re3 Rb4 64.Bd5 Rb2 65.Kf1 Kf6 66.Rb3 Rc2 67.Rb4 Kg5 68.Rc4 Rd2 69.Bf3 Ra2 70.Bg2 Bb8 71.Bf3 Ba7 72.Be2 Ra3 73.Kg2 Rg3 74.Kh2 f4 (75.Bf1 Ra3–+) 0–1. Taulien,Hans_Juergen – Baensch,Hans, RSM2002 remoteschach.de, 2003.

5.h4 Be7 6.h5 Ndf6 7.f3 Qd6 8.c3? Qg3–+ 9.Kd2 e3 10.Kc1 Bf5 11.a4 a6 12.ba6 Ra6 13.Ba3 Rb6 14.Be7 Ne7 15.a5 Rb5 16.Na3 Ra5 17.Nc2 Ra1 18.Na1 0–0 19.Kb2 Ra8 20.Nc2 Qd6 21.g4 Bc2 22.Kc2 Ra2 23.Kd3 Rd2 24.Qd2 ed2 25.Kd2 Qa3 26.g5 Qb2 27.Kd3 Nf5 28.gf6 Qc1 29.fg7 Qd1 0–1. SCRATCHY – Caissa, Live Game Caissa's Web, 2004.

4.e3 a6

5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.c4 Ngf6 9.Nf3 Bd6 10.Be2 0–0 11.0–0 e4 12.Nd4 c5 13.Nf5 Be5 14.Nc3 d4 15.ed4 cd4 16.Nd5 d3 17.Bg4 Nd5 18.cd5 Ba1 19.Qa1 Nf6 20.Bh3 Bf5 21.Bf5 Qd5 22.g4 h5 23.h3 Nh7 24.Bh7 Kh7 25.Re1 hg4 26.hg4 f5 27.Kg2 fg4 28.Rh1 Kg8 29.Kg1 Qb5 30.Qa2 Rf7 31.Qa8 Rf8 32.Qa2 Rf7 33.Qa8 Rf8 34.Qa2 ½–½. purplegadge (1685) – grandma (1615), gameknot.com, 2011.

5.a4 ab5 6.ab5 Ra1 7.Ba1 Bd6 8.Nf3 +=.

5.a4 ab5 6.ab5 Ra1 7.Ba1 Ngf6 8.Nf3 Bd6 9.c4 (9.Be2 c5+=) 9...dc4 (9...e4 10.Nd4–/+) 10.Bc4+= Nb6 11.Be2 Qe7 12.0–0 Bd7 (12...0–0 13.d4 e4 14.Ne5+=) 13.d4 e4 14.Ne5 0–0 15.Nd7 Qd7 16.Nd2 (16.Nc3 Qe6=) 16...Ra8 17.Qc2 Qe6 18.Rd1 (18.Bb2 Nbd5=) 18...Ra2+= 19.Qc1 Bb4 (19...Ng4 20.Bg4 Qg4=) 20.Bc4 (better is 20.Bc3!? Be7 21.Qb1=) 20...Nc4–/+ 21.Nc4 Qf5 Do you see the mate threat? 22.Rf1 (22.Bb2 Qb5 23.Qc2 Nd5–+) 22...Qb5–+ 23.Ne5 c6 (better is 23...Nd5!? 24.Nc4–+) 24.Qb1–/+ Qa4 25.Qc1 (25.Bc3!? Bc3 26.Qb7–/+) 25...Nd5 (25...Qc2 26.Qc2 Rc2 27.Rb1–+) 26.Nc4 (26.Nd7 Qb5 27.Qd1 b6–+) 26...Rc2 27.Nb2 (27.Qd1 Qa2 28.Nb2 Rb2 29.Bb2 Qb2–+) 27...Qb3 28.Qd1 Nc3 29.Qg4 Bf8 30.Nd1? Ne2 31.Kh1 Qd3 32.g3 Ng3!! (32...Ng3 33.hg3 Qf1 34.Kh2 g6 35.Qe4 Qd1–+) 0–1. Tilp – Loewrig, corr, 1987.

5.a4 ab5 6.ab5 Ra1 7.Ba1 g6 8.c4 (8.Nf3 Bg7=) 8...dc4 (8...Ngf6 9.d4 e4 10.Nc3=) 9.Bc4 Bg7 10.Qb3 (10.Nf3 Qe7=) 10...Nh6 11.Ne2 (11.Nf3 Qe7=) 11...Nc5 12.Qa2 (12.Qa3 Ne4=) 12...Nd3+= 13.Bd3 Qd3 14.Nbc3 0–0 15.0–0 Rd8 16.Rd1 (16.Qa5 Qc4+=) 16...Be6 (16...Bg4 17.f3 Bc8 18.Qa5+=) 17.Qb2 (17.Qa5 b6 18.Qa7 Rc8+=) 17...Nf5 18.Nc1 Qd7 19.Ne4 Nd6 Attacks the isolani on b5 20.Nc5 Qb5 21.Qb5 Nb5 22.Nb7 Ra8 23.Nd3 e4 24.Bg7 Kg7 25.Nf4 Bg4 26.Rc1 Ra2 27.h3+= Bc8 28.Nc5 Rd2 29.Ne4 Rd7 30.g4 Re7 31.Nc5 f5 32.g5+= c6 33.h4 h6 34.Kg2 hg5 35.hg5 Nd6 36.Rh1 Ne4= 37.Ne4 fe4 38.Kg3 Re5 39.Kh4 Bf5 40.Rc1 c5 41.Ne2 Rd5 42.Nc3+/– Rd2 43.Kg3 Rd8 44.Nb5 Rh8 45.Rc5 Rh3 46.Kf4 Rf3 47.Ke5 Rf2 48.Nd4 Rf1+/– 49.Rc7 Kg8 50.Kf6 Bd7+= 51.Ke5 Bf5+/– 52.Ra7 Rf2 53.Ra6 Rf1 54.Ra7?? Rf2+/– 55.Ra6 Rf1+– 56.Ra7?? Rf2= ½–½. Degen,Magda – Ernst,Ingrid, DDR–ch (Women), 1967.

5.a4 Bd6 6.c4 0–0 7.d3 Bb4 8.Nd2 dc4 9.Qc2 (better is 9.dc4!? Nc5 10.Ngf3–+) 9...cd3–+ 10.Bd3 Nc5 11.Bc4 Bf5!! 12.Qc1 (12.Qf5 Qd7 Double attack (12...Bd2 Deflection; 12...Qd7 Decoy)) 12...Bd3 13.Ngf3 Nfe4 14.Be5 Bd2 15.Nd2 Bc4 16.Qc4 (16.Ra3 Nd3 17.Rd3 Bd3 18.Ne4 Be4 19.f3–+) 16…Qd2 (16...Qd2 17.Kf1 Qf2#; 16...Nd2?! 17.Qc5 Nb3 18.Qc3 Na1 19.0–0–/+) 0–1. Neffgen,Dieter (1840) – Baumann,Heinz (2355), RSX4D–Sokolsky Taunus–1, 2002.

5.a4 Ngf6 6.c4 (6.Nf3 ab5 7.ab5 Ra1 8.Ba1 e4+=) 6...c6 (6...ab5 7.ab5 Ra1 8.Ba1–/+) 7.Nf3 (7.cd5 cd5 8.Nf3 Bd6+=) 7...Bd6 (7...ab5 8.cd5 b4 9.dc6 bc6 10.Be5 Ne5 11.Ne5+=) 8.Qc2 (8.Nc3 0–0 9.cd5 A) worse is 9...Nd5 10.Ne4 Bb4 11.bc6 bc6 12.Qc2+= (12.Ne5? Ne5 13.Be5 Re8–+); B) 9...cd5+=) 8...0–0 9.Be2 (9.bc6 bc6 10.Be2 Rb8 11.cd5 Nd5–/+) 9...Re8 (9...e4 10.Nd4 ab5 11.cb5–/+) 10.d4 (10.bc6 bc6 11.Nc3 Qc7+=) 10...e4 (10...ed4 11.bc6 bc6 12.Nd4+=) 11.Nfd2 (11.bc6 ef3 12.cd7 Bd7 (worse is 12...fe2 13.de8Q Ne8 14.c5+/–; worse is 12...Qd7 13.Bf3 Qc7 14.Nd2+=) 13.Bf3 Rc8+=) 11...ab5 (11...c5 12.ba6 ba6 13.cd5 Nd5 14.Nc4= (14.Ne4? Nb4 15.Qd1 Re4–+)) 12.ab5 Ra1 13.Ba1 Bb8 (13...cb5 14.c5 Bc7 15.Qb3=) 14.Nb3 (14.Nc3!?=) 14...Nf8 (14...dc4 15.Bc4 Nb6 16.Be2+=) 15.c5 (15.Nc3!?+=) 15...Ng6–/+ 16.N1d2 Bg4 17.Bg4 Ng4 18.h3 Qh4 (18...Nh6 19.Bc3 Qg5 20.Na5 Qg2 21.Rf1–+) 19.Nf1 f5 (19...Bc7!?–/+) 20.g3= Qh6 (20...Qh5 21.Na5 f4=) 21.Qe2 (21.Na5 f4 (worse is 21...cb5 22.Qb3+=) 22.bc6 fe3 23.cb7 Nf2–+ (worse is 23...ef2 24.Kd1–+)) 21...Nf6 (21...Bc7 22.Bc3+=) 22.Bc3 (22.Na5 cb5 23.Qb5 Bc7=) 22...Nf8 (better is 22...Bc7!?+=) 23.Na5+= cb5 24.Qb5 Bc7 (24...Qh5 25.Qb7 Ne6 26.Nc6+/–) 25.Nb7 Qg6 (25...Ne6 26.Qa4=) 26.Ba5+/– Qf7 27.Nd2 Ne6 28.0–0+– Ng5 29.Bc7 Qc7 30.Rb1 Ra8 31.Nd6 g6 32.Kg2 Ra2 33.Rb2 Ra8 34.Qb7 Qb7 35.Rb7 Ra2 36.Nb3 Rc2 37.Na5 Rc1 38.Nb3 Rd1?? 39.f4?? ef3–+ 40.Kf2 Nfe4 41.Ne4 fe4 42.g4 Nh3 43.Kg3 f2 44.Nd2 Rd2 45.Rb1 Re2 46.Rf1 Re3 47.Kg2 (47.Kh2 Rf3 48.c6 Nf4 49.Rf2 Rf2 50.Kg3 Rf3 51.Kh2 Ne6 52.Kg2 Rf8 53.Kh2 e3 54.Kg3 e2 55.Kg2 e1Q 56.c7 Rf2 57.Kg3 Qe3 58.Kh4 Rh2#) 0–1. Chirpii,Alexandru (1650) – Tudor,Ioan (1890), Centrocoop Sept op–A, 1998.

5.ba6 ba6 6.Nf3 Bd6 7.Bd3 Ngf6 8.Bf5 0–0 9.Nc3 Bb7 10.Ng5 d4 11.Nce4 h6 12.Nd6 cd6 13.ed4 Bg2 14.Rg1 Be4 15.Be4 Ne4 16.Ne4 Nf6 17.Nf6 Qf6 18.de5 Qe5 19.Be5 de5 20.Qh5 Rac8 21.Qe5 f6 22.Qe6 Kh8 23.Qc8 Rc8 24.Kd1 Rb8 25.d4 a5 26.c4 a4 27.d5 a3 28.d6 Rd8 29.c5 Kg8 30.Rb1 g5 31.Rb7 Kf8 32.Re7 Rb8 33.c6 Rb1 34.Kc2 Rg1 35.c7 Re1 36.c8Q# 1–0. Dufus – LoMeister, ICS rated blitz match, 1998.

5.d4 Bd6 +=.

4.e3 b6

5.c4 Bb7 6.cd5 Bd5 7.Nf3 e4 8.Nd4 Ne7 9.Nc3 Bb7 10.f3 f5? (Better is 10...ef3!? 11.Nf3 Nf5+=) 11.Ne6 Qc8 12.fe4 fe4 13.Qg4 Ng6? (Better is 13...Nf6 14.Ng7 Bg7 15.Qg7 Rf8+–) 14.Ne4+– Be4 (14...Bd5 15.Bg7 Bg7 16.Ng7 Kf7 17.Qf5 Kg7 18.Qd5 Nde5+–) 15.Qe4 Be7 16.Qa8! Qa8 17.Nc7 Kd8 18.Na8 Nf6 19.Rc1 Bd6 20.g3 Ne5 21.d4 Ned7 22.Bg2 Ng4 23.Ke2 Re8 24.e4 Ndf6 25.e5 Nd7 26.Kd2 Bb4 27.Bc3 Bc3 28.Rc3 Nf2 29.Rhc1 Re6 30.Rc8 Ke7 31.Nc7 Rh6 32.Re8 Kf7 33.Rf1 Rh2 34.Rf2 Kg6 35.Be4 1–0. Bonetti,Shane – pille, ICC, 2002.

5.c4 Ngf6 6.Nf3 Bc5 7.Nc3 0–0 8.cd5+= Bb7 9.Bc4 Ng4 10.0–0 Bd6 11.h3 Ngf6 12.d4 e4 13.Nd2 a6 14.Qb3 Ng4?? 15.hg4 Qh4 16.Rfc1 Qh2 17.Kf1 Qh1 18.Ke2 Qg2 19.Rg1 Qh3 20.Nce4 a5 21.Ng5 Qh4 22.Ndf3 Qh6 23.Rh1 Qf6 24.Nh7 Rfe8 25.Nf6 1–0. Tiedemann,Joern – Neffgen,Dieter, RSX4D – Sokolsky Taunus–1, 2002.

5.c4 Ngf6 6.Nf3 e4 7.Nd4 Bb7 8.cd5 Bd5 9.Nc3 Bb7 10.Be2 Be7 (10...a6 11.ba6 Ba6 12.d3 ed3 13.Bf3=) 11.f3 0–0 12.0–0 Nc5 13.fe4 Nfe4 14.Ne4 Be4 15.Nf5 Bf5 16.Rf5 Ne4 (16...a6!?+=) 17.Bf3+/– g6? (better is 17...Qd2!? 18.Qd2 Nd2 19.Ba8 Ra8+/–) 18.Be4 (18.Re5 Nd2 19.Ba8 Nc4 20.Qd8 Bd8+– (20...Rd8?? 21.Re7 Ra8 22.Bf6+–)) 18...gf5 19.Bf5 Bg5 20.Qh5 h6 21.Rf1 Qd6 (21...Qe7 22.h4! Rad8 23.hg5 Qg5+–) 22.Bh7!! Kh7 (22...Kh7 23.Rf7 Mate attack) 23.Rf7 (23.Rf7 Kg8 24.Rg7 Kh8 25.Rg5 Kh7 26.Rg7 Kh8 27.Rg6 Kh7 28.Qh6#) 1–0. marekt – Super Frank, ChessWorld.net, 2012.

4.e3 c5

5.c3 Bd6 6.Ne2 Ngf6 7.g3 0–0 8.d4 Nb6 9.Nd2–/+ Bf5 (9...Bg4 10.h3 Bf5 11.Bg2 ed4 12.cd4–/+) 0–1. Brosmann,Peter – Tiedemann,Joern (1940), RSX20E–NoEngine–Grossturnier–1, 2010.

5.bc6 bc6 6.Nf3 Bd6 7.c4 Ngf6 8.Nc3 0–0 9.cd5 cd5 10.Nb5 Bb8 11.Be2 Re8 12.0–0 a6 13.Nc3 Qb6 14.Na4 Qd6 15.Qb3 Ra7 16.Ba3 Qe6 17.Rac1 h6 18.Nc5 Qf5 19.d3 g5 20.Rc2 a5 21.Rfc1 Ng4? 22.Nd7 Bd7 23.Qd5 Nf6 24.Qc5 a4 25.Nd2 Rc7 26.Qa5 Rc2 27.Rc2 Qe6 28.Nc4 e4 29.d4 Ng4 30.Bg4 Qg4+/– 31.Qd2 Qh4 32.g3 Qh3 33.Qe2 f5 34.Nb6 Be6 35.d5+– Bf7 36.d6 Ba7 37.d7 Rd8 38.Nd5 Bd5 39.Qb5 Be6?? 40.Qa5 Rd7–+ 41.Rc8 Kf7 42.Rf8 Kg7 43.Qe5 Kg6 44.Qf6 Kh5–+ (45.Rd8 Kg4–+) 0–1. Kuehn,Karsten (2005) – Albeker,Mark (2110), Landesliga Sued, 1998.

5.d4 cd4 6.ed4 e4 7.Nd2 Ngf6 8.Ne2 Nb6 9.a4 e3 10.fe3 Ng4 11.e4? Qf6–+ 12.Nf3 de4 13.Ng3 ef3 14.Qf3 Bb4 15.c3 Ba5 16.Be2 Qd4 17.Rd1 Qe3 18.Rf1 Qf3 19.Rf3 0–0 20.Rd4 Be6 21.Ne4 Nh2 22.Rf4 Rac8 23.Rh4 Ng4 24.Bg4 Bg4 25.Rg4 f5 26.Ba3 Rfe8 27.Rf4 Bc3 (28.Kd1 Bd4–+) 0–1. Tiedemann,Joern – Taulien,Hans_Juergen, RSX4D – Sokolsky Taunus–1, 2002.

5.c4 d4

6.Qc2 Bd6 7.Ne2 Qh4 8.Ng3 Ndf6 9.Be2 Ne7 10.a4 0–0 11.a5 Rd8 12.0–0 a6 13.e4 Ng4 14.Bg4 Bg4 15.b6 Ng6 16.f3 ½–½. Taulien,Hans_Juergen – Guggenberger,Simon, remoteschach.de, 2003.

6.Qe2 Ne7!? =+.

6.Qe2 Ngf6 7.ed4+= cd4 8.Bd4 Bd6 9.Be3 0–0= 10.Nc3 Nc5 11.Qd1 Re8= 12.Na4 Nfd7 13.Nc5 Nc5 14.Qh5 e4?? 15.Qg5?? Bd7 16.Qd8 Rad8 17.Rc1 a6 18.Bc5 Bc5=+ 19.Ne2 Be6 20.a4 Bb4 21.Nc3 ab5 22.ab5 Rd4 23.Ra1 Red8 24.Nb1 Bd2–/+ (25.Nd2 Rd2=+). Baumann,Heinz – Taulien,Hans_Juergen, RSX4D – Sokolsky Taunus–1, 2002.

6.e4 Bd6 7.Nf3 a6 8.a4 Ne7 9.Bd3 Ng6 10.0–0 Nf4 11.Qc2 Nb6 12.Na3 a5 13.Rfe1 Bg4 14.Qb1?? Bf3–+ 15.g3 Nh3 16.Kf1 Qf6 17.Be2 Be4! (18.f3 Bb1 19.Reb1 Na4–+) 0–1. Neffgen,Dieter – Taulien,Hans_Juergen, RSX4D – Sokolsky Taunus–1, 2002.

6.e4 Ngf6 7.d3 Be7 8.Nf3 0–0 9.Be2 b6 10.0–0 Re8 11.Nbd2 Nf8 12.Ne5 Bb7 13.Bh5 Nh5 14.Qh5 g6 15.Qe2 Bf6 16.Ng4 Bg7 17.f3 Ne6 18.g3 Ng5 19.Kg2 Qd7 20.h4 Ne6 21.Nh2 f5 22.Rf2 Bh6 23.Raf1 Be3 24.ef5 gf5 25.Bc1 Bf2 26.Qf2 Qg7 27.Kh3 Re7 28.Rg1 Qe5 29.Ndf1 Rg7 30.f4 Qf6 31.Nf3 Nf8 32.Qe2 Re7 33.Ne5 Rae8 34.Qh5 Ng6 35.Nh2 Ne5 36.fe5 Re5 37.Bf4 Re1 38.a4 Rg1 0–1. purplegadge (1790) – dodgerdog00 (1715), gameknot.com, 2014.

4.e3 c6

5.a4 a6 6.c4 ab5 7.ab5 Ra1 8.Ba1 Qa5 9.Nc3 Ngf6 10.Be2 Bd6 11.Nf3 0–0 12.0–0 e4 13.Nd4 Ne5 14.bc6 bc6 15.cd5 cd5 16.Ncb5 Bb8 17.Bc3 Qb6 18.Qa1 Nfg4 19.h3 Qh6? 20.f4?? ef3=+ 21.Nf3 Nf3 22.Rf3 Nh2 23.Rf4? Bh3 24.gh3–/+ Qh3?? 25.Be5?? Qg3 26.Kh1 Be5 27.Qe5 Qe1 28.Kh2 Qe2 29.Kg3 Qb5 30.e4? Qd3–+ 31.Kg4 de4 0–1. Lein,Marina (2040) – Benedik,Kurt, EU–ch Seniors, 2005.

5.bc6 bc6 6.Nf3 Bd6 7.Be2 Ngf6 8.c4 0–0 9.cd5 cd5 10.Nc3 Bb7 11.Nb5 Bb8 12.0–0 a6 13.Nc3 Nb6 14.Rb1 e4 15.Nd4 Nbd7 16.d3 Re8 17.de4 Ne4 18.Nf3 Nc3 19.Bc3 Nf6 20.Rb7 Be5 21.Be5 Ne4 22.Qd4 f6 23.Bc7 Qd7 24.Rc1 Rac8 25.Ba6 Nd6 26.Qd5 Qf7 27.Qd6 h5 28.Bc4 1–0. Bonetti,Shane – pille, ICC, 2002.

5.Nf3 Bd6 =+.

5.a4 Ngf6

6.c4 Bd6 7.bc6 bc6 8.cd5 cd5 9.Nc3 0–0 10.Nb5 Bc5 (10...Bb4–/+) 11.Ba3 (better is 11.d4!? Bb4 12.Bc3 Bc3 13.Nc3+=) 11...a6–/+ 12.Bc5 Nc5 13.Qc2 (13.Nc3 d4 14.Nb1 Bg4–+) 13...Qe7 (13...ab5 14.Qc5 ba4 15.Nf3–+) 14.Rc1? (better is 14.Nc3!?–/+) 14...ab5–+ 15.Qc5 Qc5 16.Rc5 ba4 17.Nf3 Nd7 (better is 17...a3!? 18.Rc1 a2 19.Ra1–+) 18.Rc1 e4 19.Nd4 Ne5 20.Bb5 Ba6 21.Ke2 Nd3 22.Ra1 Rfb8 23.Rhb1 Bb5 24.Rb5 Rb5 25.Nb5 f6 (better is 25...Ra5!? 26.Nd6 a3–+) 26.f3 f5 27.g4? (27.Nc3 a3 28.Nd5 Nc5+=) 27...g6 (better is 27...fg4!? 28.fg4 Rf8–+) 28.gf5 gf5 29.Nc3 a3 30.Nd5 Nc5 31.Nc3 (31.fe4!? a2 32.ef5–/+) 31...Nb3–+ 32.Rb1 (32.Rg1 Kf7 33.fe4 a2 34.ef5 a1Q 35.Ra1 Ra1–+ (35...Na1?! 36.e4–/+)) 32...ef3 33.Ke1 Nc5 0–1. Krivoshapko,Alexander – Savostjanov,Igor, 2008.

6.c4 Bd6 7.d4 0–0 =+.

6.c4 Bd6 7.Nf3 e4–/+ 8.Nd4 Ne5 9.cd5 cd5 10.h3 0–0 11.Qb3 Be6 12.Ba3 Rc8–/+ 13.Ne6 fe6 14.Be2 Ba3 15.Na3 Nfd7 16.0–0 Qh4 17.Qb4=+ Nf3?? 18.Bf3+– Rf3 19.Qd6?? Rf7+= 20.Qe6 Rcf8 21.Qd5+/– Kh8 22.g3 Qh3 23.Qe4 Nf6 24.Qg2 Qe6 25.Nc2 Ne4 26.Nd4 Qe5 27.f4+– Qe7 28.Nf3 h6?? 29.Ne5 (29...Kg8 30.Qe4+–) 1–0. Frosinos,Ioannis – Hadad,G, Ikaria op, 1992.

6.c4 Be7 7.Nf3. marekt (2125) – jeich (1790), gameknot.com, 2014.

6.Be2 Bd6 =+.

4.e3 Bd6

5.a4 a6 6.c4 Ngf6 7.Nc3 b6 8.cd5= ab5 9.Nb5 Nd5 10.Nf3 0–0 11.Nd6 cd6 12.Bc4 Bb7 13.0–0 Re8 14.Re1 e4 15.Nd4 Qg5 16.d3 Nc5 17.Nb5 Qg6?? 18.Bd5?? Bd5= 19.Nc7 Bb3 20.Qd2 Nd3 21.Ne8 Ne1 22.Qe1 Re8 23.Qb4 Be6 24.Kf1 Qf5 25.Qb6= Bc4 26.Kg1 Qd5 27.h3 Rc8 28.Ba3 Qe5 29.Rb1 d5 30.Bd6 Qf6 31.Qb8 Rd8? 32.Bc7+– Rf8 33.Qf8! Kf8 34.Rb8 Ke7 35.Bd8 (35...Kd7 36.Bf6 gf6 37.Rh8+–) 1–0. Steingraeber,Barbara – Dickey,Chris, remoteschach.de, 2002.

5.c4 dc4 6.Bc4 Qg5 7.Qf3 Qg6 8.Nc3 (8.Qg3 Qg3 9.hg3 a6+= 10.ba6 ba6 11.Nf3 Rb8 12.Bc3 Ngf6+=) 8...Ngf6 9.e4 (9.Qg3 A) 9...e4 10.Qg6 A1) worse is 10...fg6 11.Ne4 (11.d4 ed3 12.Bd3 Nc5=) 11...Ne4 12.Bg7+= Nb6=; A2) 10...hg6+= 11.f4 Nc5 12.Ba3 Bf5+=; B) 9...Qg3 10.hg3 Nb6 11.Bd3 Be6 12.Ne4 Ne4–/+) 9...Nc5–/+ (9...Nb6 10.Bb3 a6 11.Rc1 Bg4 12.Qe3 0–0+=) 10.d3 Bg4 11.Qe3 (11.Qg3 Nh5 12.Qe3 Nf4–/+) 11...Be6 12.Nf3 Bc4 13.dc4 0–0 (13...Qg2 14.Rg1 Qh3 15.Rg7+=) 14.0–0= Rfe8 15.Rfe1 Ne6 (15...Ng4 16.Qe2=) 16.Nh4 (16.Nd5 Ng4 17.Qe2 c6+=) 16...Qh5 17.Qg3 (17.Nf5 Bc5 18.Qg3 Ng4=) 17...Nd4+= 18.Rad1 Bb4 19.Kf1? (better is 19.Nf5 Nf5 20.ef5+=) 19...Bc3–+ 20.Bc3 Ne4! 21.Re4? (better is 21.Qe3 f5 22.Bd4 Qh4 23.Bb2 Qh2 24.Qh3 Qh3 25.gh3–+) 21...Qd1 22.Re1 Qc2 23.Qe3 Qa2 24.Bd4 Qc4 25.Re2 Qd4 26.Qg5 f6 27.Qh5 Qd1 (27...Qd1 28.Re1 Qh5–+) 0–1. Gibbons,Robert (2085) – Thornton,Giovanni Antonio (1955), Open, Auckland NZL, 2004.

5.c4 Ne7 6.Nf3 e4 7.Nd4 c5 8.Ne6?? fe6–+ 9.Qh5?? Ng6 10.Bg7 Rg8 11.Qh7–/+ Nf6?? 12.Bf6 Qf6 13.Qg8 Bf8 14.cd5 (14...Ne7 15.Qg4 Qa1 16.Qe4 ed5 17.Qc2–+). Wall,Bill – Hayes,Dan, Dayton, OH, 1980.

5.c4 Ngf6 (--> 3.Bb2 Bd6 4.e3 Nf6 5.c4 Nbd7).

5.d4 Ngf6 6.c4 c5 7.de5 Be5 8.Bc3 Ne4 9.Be5 Ne5 (9...Ne5 10.Qd5 Qa5 11.Ke2 Nc3 12.Nc3 Qc3–/+) 0–1. Denzin,Michael (2300) – Greiner,Andreas (2300), RSX15E3–A00–SokolskyT–1, 2007.

5.d4 Ngf6 6.Nd2 c5 7.c4 ed4–/+ 8.ed4 0–0 9.Ngf3 Re8 10.Be2 Qe7 11.Kf1 Nb6 12.cd5 Nfd5 13.g3?? Bh3–+ 14.Kg1 Qe2 15.Qe2 Re2 16.Ng5 Rd2 17.Nh3 Rb2 18.Kg2 cd4 19.a4 Nc3 20.a5 Nc4 (21.b6 Ne3 22.Kf3 Nc2–+) 0–1. Steingraeber,Barbara – Baumann,Heinz, RSX9E – A00 – Sokolsky–1, 2002.

5.d4 Ngf6 6.de5 Ne5 7.Nd2 0–0 8.Ngf3 Qe7 9.Be2 a6 10.a4 c5 11.c4 Nf3 12.Nf3 d4 (12...dc4 13.Bc4 ab5 14.ab5 Ra1 15.Qa1+=) 13.ed4+= Re8 14.Kf1 Bf5 15.ba6 ba6 16.Bd3 Rab8 17.Bf5 Rb2 18.Rb1 Ra2 19.Bc2 (19.Qd3 Qc7 20.g4 cd4–+) 19...Ne4 20.Qd3 cd4 21.g3 Bc5 22.Kg2 f5 23.Rhe1 Qd6 24.Ra1 (24.Nd2 Qc6 A) 25.Ne4?? fe4 (worse is 25...Re4 26.Re4 fe4 27.Qe4 Qe4 28.Be4+=) 26.Re4 Rc2 27.Qc2 Re4–+; B) 25.f3 Nd2 26.Qd2 Re1 27.Re1–/+) 24...Ra1–+ 25.Ra1 Nf2 26.Kf2 (26.Qf5 g6 27.Qd5 Qd5 28.cd5 Re2–+) 26...Re3–/+ 27.Qf5? (27.Qf1 d3 28.Bd3 Rd3 29.Kg2–+) 27...d3–+ 28.Kg2 Re2 29.Kh3 dc2 30.Ng5 Qh6 31.Kg4 Qh5! 32.Kh5 g6 33.Qg6 hg6 (33...hg6 34.Kg6 Rd2–+) 0–1. Wiese,Uwe (2330) – Greiner,Andreas (2300), RSX15E3–A00–SokolskyT–1, 2007.

5.Be2 c5 6.Nf3 Ngf6 7.0–0 0–0 8.a4 e4 9.Ng5 h6 10.c4?? (better is 10.Nh3–/+) 10...hg5–+ 11.cd5 Ne5 (11...Qc7!? 12.h3–+) 12.Nc3 Qe7 13.d3 Nf3! 14.Bf3 (14.Bf3 ef3 Combination; 14.gf3 ef3 Combination) 14...ef3 15.Qf3 (15.g3 g4 16.Qc2–+) 15…Bg4 0–1. Neumann,Frank (1650) – Guelker,Lorenz (2225), RSX15E3–A00–SokolskyT–1, 2007.

5.Be2 Qf6 6.a4 (6.Nc3 Ne7+=) 6...Ne7 7.Nf3 0–0 8.d3 Qg6 9.g3 a6 (9...e4 10.Nh4 Qh6 11.0–0+=) 10.Na3 (10.Nbd2!?+=) 10...f6–/+ 11.Rb1 (11.d4 e4 12.Nd2 c5+=) 11...Nb6 12.c3 Bh3 13.a5 Nd7 14.Qd2 c6 15.bc6 Nc6 16.Nh4 Qf7 17.g4 Nc5 (17...Na5 18.Rg1 f5 19.Nf5+=) 18.e4 Rfd8 19.Nf5 de4 20.de4 Ne4 21.Qe3 Bg2 22.Bc4 Bc5 (22...Bh1 23.f3 Ng5 24.Bf7 Kf7 25.Nc4+=) 23.Rg1? (better is 23.Bf7 Kf7 24.Qc1 Nf2 25.Ke2–+) 23...Be3 (23...Rd5 24.Rg2 Be3 25.Ne3+=) 24.Bf7 Kf7 25.fe3 Bh3 (25...Bf3 26.Nc4 Rd3 27.Ba3–+) 26.Nc4 g6 27.Ng3 Ng5 28.Ba3 Nf3 29.Kf2 Ng1 30.Rb7 Ke6 31.Ne4 Bg4 32.Kg1 Be2 33.Ncd2 Na5 34.Re7 Kd5 35.Bb4 Nc4 36.Nf6 Kc6 37.Nc4 Bc4 38.Re5 Rd1 39.Kg2 Kb6 40.e4 a5 41.Bc5 Kb5 42.Bd4 Ka4 43.Re7 Kb3 44.Rb7 Kc2 45.Ng4? Rd2 (45...Rd2 46.Kg3 a4–+) 0–1. Buchmann,Hans_Peter (2250) – Rosner,Dirk (2175), RSX15E3–A00–SokolskyT–1, 2007.

5.Be2 Ngf6 6.Nf3 0–0 7.0–0 c6 8.c4 e4 9.bc6? (better is 9.Nd4–/+) 9...ef3–+ 10.Bf3 bc6 11.cd5 Nd5 12.Be4?! (12.Ba3 Ba3 13.Na3–+) 12...Bh2! 13.Kh2 Qh4 14.Kg1 Qe4 15.d3 Qg6 16.e4 Rb8 17.Bd4 (17.Qd2 Nb4 18.Bc3 c5–+) 17...c5 18.Be3 (18.Bc5 Nc5 19.ed5 Nd3–+) 18...Ne3 19.fe3 Rb2 20.Rf2 (20.Nd2 Ne5 21.d4–+) 20...Rf2 21.Kf2 Qf6 (21...Qf6 22.Ke2 Qa1–+) 0–1. Neumann,Frank (1650) – Galuschka,Christian (2205), RSX15E3 – A00 – SokolskyT–1, 2007.

5.Nf3 (--> 3.Bb2 Bd6 4.Nf3 Nd7 5.e3).

4.e3 Ngf6

5.a4 (--> 4.e3 a6 5.a4).

5.c4 a6 6.Nf3 e4 7.Nd4 ab5 8.cb5 Bd6 9.Be2 0–0 10.0–0 Ne5 11.d3 (11.Nc3!?–/+) 11...Nd3 12.Bd3 Bh2 13.Kh2 Ng4 14.Kg3 Re8 15.f4 ed3 (worse is 15...Ne3 16.Qd2 ed3 17.Re1–+) 16.Bc1 c5 (worse is 16...Ne3 17.Be3 Re3 18.Rf3+=) 17.bc6 bc6 (worse is 17...Ne3 18.Be3 Re3 19.Rf3+=) 18.Qe1?? (better is 18.Qd3 Ba6 19.Qc2 Bf1 20.Kg4–+) 18...c5–+ 19.Nf3 Ra6 0–1. phildo (1885) – mikleol (2225), gameknot.com, 2014.

5.c4 Bb4 6.Qb3= a5 7.cd5 0–0 8.Bc4 Nc5 9.Qc2 Nfe4 10.a3+– Qg5 11.Bf1?? Rd8?? 12.ab4 ab4 13.Ra8 b6 14.Nf3 Qg4 15.d3 Nd3 16.Bd3 c5 17.Ne5 Qg2 18.Rf1 g5 19.Be4 Qh2 20.Rh1 Qh1 21.Bh1 Rd5 22.Rc8 Kg7 23.Ng4 Rd4 24.Bd4 cd4 25.Qc6 f5 26.Qf6 1–0. Taulien,Hans_Juergen – Stahn,Hartmut, remoteschach.de, 2002.

5.c4 Bb4 6.cd5=+ Nd5 7.Nf3 f6 8.Be2 N7b6 9.0–0 Qe7 10.Nc3 Bg4 11.Nd5+= Nd5 12.d4 Bc3= 13.Qb3 Bb2 14.Qb2 e4 15.Ne1 Be2=+ 16.Qe2 0–0–0 17.a4= f5 18.a5 g6 19.a6+= b6 20.Qc4 Rd6 21.Rc1 Rhd8 22.Nc2+= h6 23.Nb4+/– Nb4 24.Qb4 R8d7 25.Rc2 g5 26.Qc3 Kb8 27.Rfc1 f4 28.Qc4 fe3 29.fe3+/– Rf6 30.Rf2+– Rf2?? 31.Qc6 (31...Rg2 32.Kg2 Rd4 33.Qb7#; 31.Kf2?! Qf7 32.Qf7 Rf7 33.Kg3 Rf5+=) 1–0. Wall,Bill – Jupiter, Microsoft Gaming Zone, 1998.

5.c4 Bc5 6.a3 0–0 7.Nf3 e4 8.Nd4 Ne5 9.cd5 Bg4 10.Qc2 Qe7 11.Nb3 Bb6 12.d3 ed3 13.Bd3 Rad8 14.Nc3 h6 15.Be4 Nc4= 16.Bc1 Ne4 17.Qe4 Qe4=+ 18.Ne4 Rd5 19.0–0 Re8 20.Ned2 Be2–+ 21.Re1 Nd2 22.Bd2 Bc4 23.Nd4 Bb5 24.Nf3 Red8 25.Bc3 Rd3 26.Rec1 c6 27.Ne5 R3d6 28.Rab1 f6 29.Nf3 Bd3 30.Rb2 c5 31.h3 c4 32.Rd2 Bc5 33.Bb2 b5 34.Nd4 Bd4 35.Bd4 a6 36.Bc5 Rd5 37.Bd4 Kf7 38.f3 h5 39.Kf2 h4 40.Rcd1 Ke6 41.Bc3 Bc2 42.Rd5 Rd5 43.Rd5 Kd5 44.e4 Ke6 45.Ke2 Bd3 46.Ke3 g6 47.Kf2 Bb1 48.Ke3 Bc2 49.Be1 g5 50.f4 Bd3 51.Bc3 f5 52.ef5 Kf5–+ 53.fg5 Kg5 54.Bd2 Kf5 55.g4? hg3 56.Kf3 g2 57.Kg2 Ke4 58.Kf2 Kd4 59.Ke1 c3–+ 60.Bc1 c2 61.h4 a5 62.h5 b4 63.a4 Kc3 64.Bf4 Kb2 65.Be5 Kb1 66.Bf4 b3 67.h6 (67.Be3 b2 68.Kd2–+) 0–1. SuperForte – REXChess, February, 1994.

5.c4 Nc5 6.d4 ed4 7.ed4 Nce4 8.c5 Qe7 9.Qe2 Be6?? (10.f3 Ng5+/–; Better is 9...a6=+). MasterofDisaster – music1, Live Game Caissa's Web, 2004.

5.c4 Bd6 (--> 3.Bb2 Bd6 4.e3 Nf6 5.c4 Nbd7).

5.c4 Be7 6.Be2 0–0 7.cd5 Nd5 8.Bc4 N7b6–/+ 9.Bb3 f6?? 10.e4+/– Kh8 11.ed5+– Nd5 12.Bd5 Qd5+= 13.Qf3 Qb5 14.Bc3 Be6 15.a4 Qa6 16.Ne2 c6 17.0–0 Qc4 18.d4+/– Bd5 19.Qe3 e4 20.Nd2 Qa6 21.Ne4 Qc4? 22.Nd2+– Qa6 23.Nf4 Rae8 24.Qh3 Bd8? 25.Ng6 Kg8 26.Nf8 Rf8 27.Bb4 (27...c5 28.Bc5+–) 1–0. Korsvold,Jon_Egil – Winther,Einar, Vadsosjakken, Klasse C, 2003.

5.d4 ed4 6.ed4 Nb6 7.h3 Bd6 8.Nf3 0–0 9.Be2=+ Qe7 10.0–0 c6 11.a4 a6 12.Nc3 Ne4 13.Ne4 ab5?? 14.ab5 Ra1 15.Ba1 de4 16.Nh2 Bd7 17.c4 Bh2 18.Kh2 c5 19.d5 f5 20.Qb3 Qd6 21.Kg1 h6 22.Qc3+/– Rf7 23.Bh5 Re7+= 24.Re1 Kh7 25.Bb2 Na4= 26.Qc1 Nb2 27.Qb2 g6 28.Bd1 f4 29.Bc2 Bf5 30.Qb1 Qf6 31.Qb3 Qd4 32.Rd1+= Qe5 33.Qa4 e3=+ 34.fe3?? Qe3–+ 35.Kh1 Qg3 36.Bf5= Re1 37.Re1 Qe1 38.Kh2 Qg3# ½–½. mic (2155) – mgoodrich (2085), net–chess.com, 2008.

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

5.Be2 Bd6 6.d4 e4 7.c4 dc4 8.Bc4 Nb6 9.Nd2 Nc4 10.Nc4 Bb4 11.Nd2 Bd7 12.a4 a6 13.Qb3 Bd2 14.Kd2 Be6 15.Qb4 Nd5 16.Qc5 ab5 17.ab5 Ra1 18.Ba1 Qg5 19.g3 Bd7 20.Ne2 b6 21.h4 Qf5 22.g4 Qe6 23.Qa3 Bc8 24.Rg1 Qd7 25.Ng3 Qb5 26.Ne4 Bb7 27.Ng3 c5 28.dc5 0–0 29.Rc1 f6 30.Nf5 Ra8 31.Nd6 Ra3 32.Nb5 Ra2 33.Kd3 Nb4 34.Kc4 bc5 35.Rd1 Bf3 36.Rd8 Kf7 37.Bc3 Ke7 38.Rh8 Bg4 39.Rh7 Kf7 40.Rh8 Na6 41.f4 Be6 42.Kd3 Bd7 43.Nd6 Ke6 44.Ne8 Bb5 45.Ke4 Ra4 46.Kf3 Ra3 47.Bd2 Rd3 48.Ba5 Kf7 49.Nc7 Nc7 50.Bc7 c4 51.Bb6 Bc6 52.Ke2 Bd7 53.Ra8 Bg4 54.Kf2 c3 55.Ra7 Rd7 56.Rd7 Bd7 57.e4 ½–½. Steingraeber,Barbara (1770) – Fiedler,Peter, T0076 DESC, 2003.

5.Be2 Be7 6.d3 (6.Nf3 Bd6+=) 6...0–0 7.Nf3 e4 (7...Bd6 8.0–0+=) 8.Nd4 Ne5 9.0–0 c6 10.a4 (10.de4 de4 11.Nd2 Qc7+=) 10...Re8 (10...Qc7 11.de4 de4 12.f4+=) 11.c4 (11.de4 de4 12.Nd2 Qc7+=) 11...dc4 (11...ed3 12.Bd3 dc4 13.Bc2–/+) 12.dc4+= c5 (12...Qc7 13.Nc3+=) 13.Nb3 (13.Nf5 Nf3 14.Bf3 Bf5+=) 13...Qd1 (13...Qc7!?+=) 14.Rd1= (14.Bd1? Nc4 15.Bc3 Rd8–+) 14...Bg4 15.Bg4 Neg4 (better is 15...Nfg4!? 16.Be5 Ne5=) 16.h3+/– Nh6 17.Nc3 Nf5 18.Nd5 Nd5 19.Rd5 g6 (19...Nd6 20.Rc5 b6 21.Rc7+/–) 20.Nc5 Bc5 21.Rc5 b6 (21...Rac8 22.Rc8 Rc8 23.Rd1+–) 22.Rd5 Rac8 23.g4 (23.Rc1 h5+–) 23...Nh4+/– 24.Rc1 Red8 25.Rd8 (25.f4 Nf3 26.Kf2 Kf8+/–) 25...Rd8 26.c5 Nf3 27.Kg2 h6? 28.c6 Rc8 29.Rd1 Ng5 30.Be5 Ne6 31.Rd7 Ra8 32.Rb7 Nc5 33.Rb8 Rb8 34.Bb8 Ne6 35.c7 Nc7 36.Bc7 Kf8 37.Bb8 Ke8 38.Ba7 Kd7 39.Bb6 Kc8 40.a5 Kb7 41.Bd4 f5 42.a6 Ka8 43.b6 fg4 44.b7 Kb8 45.Be5 (45.Be5 Ka7 46.b8Q Ka6 47.Bc7 gh3 48.Kh3 g5 49.Qb6#) 1–0. Daemmrich,Lars – Juntermanns,Hans, Sparkassen op–B, 2000.

5.Nf3 c5 6.bc6+= (worse is 6.Be5 Ne5 7.Ne5 Bd6+=) 6...bc6 7.Ne5 Ne5 8.Be5 Bd6 9.Bd6 Qd6 10.d4 (10.Nc3 0–0+=) 10...0–0 11.Nd2 (11.Bd3 Rb8=) 11...Bf5 (11...c5 12.dc5 Qc5 13.Bd3+=) 12.Bd3+= Bd3 (12...Bg6 13.0–0+=) 13.cd3 c5 (13...Rfb8 14.Nb3+/–) 14.dc5+/– Qc5 15.0–0 Rab8 (15...Rfb8 16.Nb3 Qd6 17.Rc1+/–) 16.Rb1 Rb1 (16...Rfc8 17.Nf3+/–) 17.Qb1 (17.Nb1?! Rc8+=) 17...Re8 (17...Rc8 18.Nb3 Qb6 19.Rc1 Rc1 20.Qc1+/–) 18.Rc1 Qb6 (18...Qa3 19.g3+/–) 19.h3 (19.Nf3 Qd6+–) 19...Qb1 (19...Qd6 20.Qb7+–) 20.Rb1+– Kf8 21.Nf3 a6 (21...Re6 22.Rb8 Re8 23.Rb5+–) 22.Rc1 a5 (22...Rb8 23.Ne5+–) 23.Rc5 Ra8 24.Ne5 a4 (24...Ke7 25.d4+–) 25.Rc7 Re8 26.Rf7 (26.Rf7 Kg8 27.d4+–) 1–0. Baumann,Heinz (2355) – Tiedemann,Joern (2125), RSX4D–Sokolsky Taunus–1, 2002.

5.Nf3 Bd6 (--> 3.Bb2 Bd6 4.Nf3 Nd7 5.e3 Ngf6).

5.Nf3 Be7 6.Ne5= Ne5 7.Be5 0–0 8.d4 (8.Be2 Ne4 9.Nc3 Bd6 10.Bd6 Nc3 11.dc3 Qd6+=) 8...c6 (8...Ne4!?+=) 9.bc6= bc6 10.Be2 Qa5 11.c3 Ne4 12.0–0 Nc3?? (better is 12...f6 13.Bf4 g5=) 13.Nc3+/– Qc3 14.Rc1 Qa5 15.Rc6 Qa2 16.Bd3 Bd7?? (better is 16...g6+/–) 17.Rc7+– Rfd8 18.Rd7! Rd7 19.Qg4 g6 20.Qd7 Bg5 21.f4 Bh6 22.Qc6 Rd8 23.Qf6 Kf8 24.Qd8# 1–0. Nikel,Bogdan (2250) – Neumann,Frank (1650), RSX15E3–A00–SokolskyT–1, 2007.

5.g3 Bd6 6.Ne2 0–0 7.Bh3 c6 8.a4 cb5 9.ab5 a5 10.ba6 ba6 11.0–0 Nb6 12.Bc8 Qc8 (12...Rc8?! 13.f4=) 13.Kg2 a5 14.d3 Qf5 15.Nd2 Rfc8 16.Nf3 a4 17.Nh4 Qe6 18.f4 Ng4 19.f5?? (Better is 19.Bc1–+) 19...Ne3 20.Kh3 (20.Kg1 Qf6 21.Qb1 Nf1 22.Kf1–+) 20...Qe7 21.Qd2 Qg5 22.Bc1 (22.Qe3 Qe3 23.Nc3–+) 22…Qg4 0–1. MasterofDisaster – olubeck, Live Game Caissa's Web, 2004.

5.h3 c6 6.a4 cb5 7.ab5 Nc5 8.Ba3 Be6 9.d4 Nce4 10.Bf8 Rf8 11.Bd3 ed4= 12.Nd2?? de3–+ 13.fe3 Ng3 14.Rh2 Nfe4 15.Ne2 Qf6 16.Nf4?? g5–+ 17.Ne4 de4 18.Ne6 ed3 19.Nc7 Ke7?? 20.Na8 Qf1 21.Kd2–+ Rd8 22.c3 Ne4–+ 23.Kc1 d2 24.Kb2 Qb5 25.Kc2?? Qd3 26.Kb2 Qc3 27.Ka2 Qc4 28.Kb2 Qb4 29.Ka2 Qa4 30.Kb2?? Qb4 31.Kc2?? Qc3 32.Kb1 Qe3 33.Rh1 Nc3 34.Kc2 Nd1 35.Rad1 Ra8 36.Rd2 Rc8 37.Kd1 Qb3 38.Ke2 Rc2 39.Rc2 Qc2 40.Kf3 Qf5 41.Kg3 h5 42.Re1–+ Kf8 43.Kh2 Qf4 44.Kg1 g4 45.Rf1 Qe3 46.Kh2 gh3 47.gh3 Qe2 48.Kg1 h4 49.Rf2 Qe1 50.Kg2 Qe6 51.Kg1 b5 52.Kg2 b4 53.Rf4 b3 54.Rh4 b2 55.Rh8 Kg7 56.Rb8 Qe5 57.Rb3 Qe2 58.Kg3–+ Qc2 59.Rb7 a5 60.h4 a4 61.h5 b1Q 62.h6 Kh6 63.Rb1 Qb1 64.Kf4 a3 65.Ke5 a2 66.Kf6 a1Q 67.Kf7 Qe1 68.Kf8 Qg7# 0–1. MasterofDisaster – Lmunson, Live Game Caissa's Web, 2004.

5.a4 Bd6

6.Na3 0–0 7.c4 Nc5 8.cd5=+ Nd5 9.d4 ed4 10.Nc4? Nc3?? 11.Qd4+– N5a4? 12.Ra4! Be6 13.Bc3 Qg5 14.Nf3 Qg6 15.Bd3 f5 16.Nd6 cd6 17.Qd6 Rfd8 18.Bf5 Bf5 19.Qg6 Bg6 20.0–0 Rac8 21.Bd4 Bd3 22.Re1 a6 23.ba6 ba6 24.Ra5 Rc2 25.h4 Bc4 26.h5 Be2 27.Rg5 Bf3 28.gf3 Rd7 29.Ra1 Rc6 30.f4 Re6 31.f3 Rc6 32.Rc5 Rdc7 33.Rc6 Rc6 34.e4 g6 35.hg6 Rg6 36.Kf2 Kf7 37.f5 Rd6 38.Ke3 h5 39.e5 Rc6 40.e6 Ke7 41.Kd3 h4 42.Re1 Rc8 43.f6 Ke8 44.Rh1 Rc6 45.e7 Rc8 46.Rh4 Kf7 47.Rh7 Ke6 48.f7 Ke7 49.f8Q! Kf8 50.Rh8 Ke7 1–0. NN – SuperConstellation4, 1987.

6.c4 0–0 7.Qc2 c5 8.cd5 Nd5 9.Bc4 N7b6 10.Ne2 Nb4–+ 11.Qb3 Bf5 12.e4 Be4 13.d3 Nc4 14.de4 Nb2 15.Nc1 N2d3 16.Nd3 c4! 17.Qc3 Nd3 18.Ke2 Qh4 19.Qc4 Qf2 20.Kd3 Rfd8 (21.Qd5 Bb4–+) 0–1. Viide,Leonid – Holmberg,Sven, corr SVE–EST, 1993.

6.c4 0–0 7.d3 Bb4 8.Nd2 dc4 9.Qc2 cd3–+ 10.Bd3 Nc5 11.Bc4 Bf5! 12.Qc1 Bd3 13.Ngf3? Nfe4 14.Be5? Bd2 15.Nd2 Bc4 16.Qc4 Qd2 (17.Kf1 Qf2; 16...Nd2 17.Qc5 Nb3 18.Qc3 Na1 19.0–0–/+) 0–1. Neffgen,Dieter – Baumann,Heinz, RSX4D – Sokolsky Taunus–1, 2002.

6.c4 0–0 7.d4 ed4 8.Bd4 dc4 =+.

6.c4 dc4 7.Bc4 0–0 8.Nf3 Nb6 9.Bd3? Bg4?? 10.e4 Re8 11.a5 Nbd7 12.0–0 Nc5 13.Bc2 Nfe4 14.d3 Bf3 15.Qf3–/+ Ng5 16.Qd5 a6 17.d4 ed4 18.Qf5? ab5 19.h4? Nge4 20.Qg4 Qf6 21.f3 Ng3 22.Bd4 Ne2 23.Kh1 Nd4 24.Bd1 Ncb3 25.Ra2 Ra5 26.Bb3 Nb3 27.Ra5 Na5 28.g3 Nb3 29.Qd7 Kf8 30.f4 Nd4 31.Nc3 Nf5 32.Rf3 Nd4 33.Rf1 Qe6 34.Qe6 Re6 35.Nd5 b4 36.f5 Re5 37.Nb4 Bb4 38.Rb1 c5 (39.g4 Re2–+) 0–1. tschulz – Pinguin, MySchachOpen, 2005.

6.c4 dc4 7.Bc4 Nb6 8.Bb3 =+.

6.d4 0–0 –/+.

6.Be2 0–0 7.Nf3 Re8 8.0–0 a6 9.Nc3 c6 10.d4 ab5 11.ab5= Ra1 12.Qa1 e4 13.Nd2 Qc7 14.h3 Bb4 15.Ba3 c5 16.dc5 Bc5 17.Bc5 Nc5 18.Qa7 Ne6=+ 19.Ndb1 Bd7 20.Rd1= Rd8 21.b6 Qc5=+ 22.Qb7 Bc6 23.Qa6 Rb8 24.Bb5 h6 25.Bc6= Qc6 26.Qb5 Rb6 27.Qc6= Rc6 28.Nd5 Nd5 29.Rd5 Rc2 30.Nd2 Nc5 31.Kf1 g6 32.Ke2 Kg7 33.Kd1 Rc3 34.Ke2 Rc1 35.h4 f5 36.Rd4 Nd3 37.Rd3 ed3–/+ 38.Kd3 Kf6 39.e4 fe4 40.Ke4 Rg1 41.g3 Re1 42.Kf4 Ke6 43.Ne4 Rh1 44.Nc5 Kd5 45.Nd3 Ra1 46.Kg4 Ke6 47.h5 g5 48.f4 Ra5 49.fg5 Rg5–+ 50.Kf3 Kf6 51.Nf4? Rb5 52.Kg4 Rb4 53.Kh3 Kg5 54.Nd5 Rd4 55.Nf4 Ra4 56.Kg2 Kg4 57.Nh3 Ra3 58.Nf2 Kh5 59.Kh3 Kg5 60.Ne4 Kf5 61.Nd6 Ke6 62.Nb7 Kd5 63.Kg4 Ra6 64.Kh5 Ke5 65.Nc5 Rd6 66.Kg4 Kd4 67.Nb3 Ke4 68.Nc5 Ke3 69.Nb7 Rd5 70.Kh3 Kf3 71.g4 Rd1 72.Kh2 Kg4 73.Nc5 Rd4 74.Nb3 Rd5 75.Kg2 h5 76.Kf2 h4 77.Kg2 Rb5 78.Nd4 h3 79.Kf2 Rb2 80.Ke3 h2 81.Kd3 h1Q 82.Kc4 Rb6 83.Kc5 Qe4 84.Kb6 Qd4 85.Kc6 Qc4 86.Kd7 Qd5 87.Kc7 Qe6 88.Kb7 Qd6 89.Kc8 Qe7 90.Kb8 Qd7 91.Ka8 Qb5 92.Ka7 Qc6 93.Kb8 Kf4 94.Ka7 Qb5 95.Ka8 Ke4 96.Ka7 Kd5 97.Ka8 Kc6 98.Ka7 Qb7# 0–1. COMP – COMP, 2002.

6.Nf3 0–0 7.Be2 c5 8.c4 e4–/+ 9.Ng1 Be5 10.Be5 Ne5 11.cd5 Nd5 12.f4 Nd3 13.Bd3 ed3 14.Nf3 Nb4 15.0–0 Nc2 16.Ra2 Bf5 17.Na3 Qd5–/+ 18.Qb1 Rfd8 19.Nc2 dc2 20.Rc2 Rac8 21.Qb2 Bc2 22.Qc2 c4 23.Rc1 Qd3 24.Kf2 a6 25.Qd3 Rd3 26.Rc3 Rc3 27.dc3 1–0. Mosley,Gene – Ertel,Jens, 2005.

6.Nf3 0–0 7.Be2 e4 8.Nd4 Ne5 =+.

6.Nf3 0–0 7.Be2 Re8 8.0–0 e4 9.Nd4 Ne5 10.Nc3 Neg4 11.h3 Nh2 12.Re1 Bh3? (better is 12...Qd7+=) 13.gh3+– Qd7 14.Kg2 Nh5?? (14...Re5 15.h4 Nhg4+–) 15.Bh5 Qe7 (15...c5 16.bc6 bc6 17.Rh1+–) 16.Nf5 Qg5 17.Ng3 Bg3 18.fg3 Re6 (18...Nf3 19.Bf3 ef3 20.Qf3+–) 19.Kh2 Rh6 20.Be2 Qf5 21.h4 g5 22.Rf1 Qe6 23.Bg4 Qd6 24.Bh5 f6 25.Qg4 (25.Qg4 Rg6 26.Bg6 hg6 27.Ne4 f5 28.Rf5 de4 29.Rf6 Qd2 30.Kh3 Re8 31.Rg6 Kf8 32.Rf1 Ke7 33.Qe6 Kd8 34.Bf6 Re7 35.Rg8) 1–0. Fritz11 – jumbo, casual, 2013.

6.Nf3 0–0 7.h4 a6–/+ 8.c4 ab5 9.ab5 Ra1 10.Ba1 dc4 11.Bc4 Nb6 12.Bd3 Qe7 13.Ng5 h6 14.Ne4 Ne4 15.Be4 f5 16.Bf3 e4 17.Be2 f4 18.ef4 Rf4 19.g3 Rf8 20.g4 Bc5–+ 21.Rh2 Qf7 22.d4 ed3 23.Qd3 Qf4 24.Rg2 Bf2 25.Kd1 Qa4 26.Kc1 Qa1 27.g5 Qa2 28.gh6 Bf5 29.Rg7 Kh8 30.Qa3 Qc2# 0–1. Jolayxvort (1620) – COMP (2750), Dortmund, 1987.

5.c4 dc4

6.Bc4 b6 7.Qb3 Nc5 8.Bf7 Kd7 9.Qc4 Bb7 10.Nf3 Bf3 11.gf3 Kc8 12.Be6 Ne6 13.Qe6 Kb8 14.Qe5 Bb4 15.Qg5 Rg8 16.Rg1 Kb7 17.a3 Rc8 18.ab4 1–0. Bonetti,Shane – checkitowt, ICC, 2002.

6.Bc4 Be7 7.Nf3 0–0 8.0–0 Ng4 9.a4 Bd6 10.g3 c6 11.Ne1 Nb6 12.Bb3 c5 13.Bc2 Nc4 14.Bc3 Be6 15.Bd3 Nb6 16.Be2 Nf6 17.Nc2 a6 18.d4 ed4 19.ed4 Nbd5 20.Bb2 b6 21.Bf3 c4 22.Ne3 Nb4 23.Ba8+= Qa8 24.Nc3 a5 25.Qe2 Nd3 26.Bc1 Bb4 27.Bd2 Re8 28.Ncd1 Bh3 29.f4?? Bf1–+ 30.Qf1 Bd2 31.Nc4 Qe4 32.Nd6 Qd4 (33.Nf2 Re1 34.Re1 Be1–+ (34...Qd6?! 35.Qd3 Qd3 36.Nd3 Be1 37.Ne1=)) 0–1. valpa – janaj, HCL–C1956 playchess.de, 2003.

6.Bc4 Nb6

7.Bb3= Bd6 8.Nf3 Bg4 9.h3 Bh5 10.g4+/– Bg6 11.Ne5 Be5 12.Be5 Be4 13.f3 Bb1? 14.Rb1 Qe7 15.f4 Nbd7+/– 16.Bc7 Nc5 17.Ba5 Nd3 18.Kf1+/– b6 19.Bc3 0–0 20.Kg2 Ne4+= 21.Qf3 Nc3 22.dc3+/– Rac8 23.c4 Rfe8 24.Rhd1 Nc5 25.Re1 Rcd8 26.Rbd1 Rd1 27.Rd1 Qh4 28.Bc2+– Kh8 29.g5 a6 30.Qc6 Rg8 31.Qb6 ab5 32.Qc5 bc4 33.Qc4 f6 34.Bb3 Rb8 35.Qc7 Re8 36.Qf7 (36...Qf2 37.Kf2 Rb8 38.gf6 Rb3 39.fg7#) 1–0. Doctor 3.0 – EXchess 3.11, 2003.

7.Bb3 e4 8.Nc3 Bf5 9.Nge2 Bd6 10.a4 0–0–/+ 11.Ng3 Bg3 12.fg3 Qd3–/+ 13.Qe2 Be6 14.Qd3 ed3 15.Be6 fe6 16.Ba3 Rfe8 17.a5 Nc4 18.Bb4 Rac8 19.Na4 Nd5 20.Ba3 c6 21.Nc5 cb5–+ 22.Nd3 e5 23.Ke2 Na5 24.Rhb1 a6 25.Bd6 Nc4–+ 26.Nb4? Nf6 27.Na6 Nd6 (28.Nb4 Kf7–+) 0–1. Petkov,Plamen – Broverman,Maurice, corr IECG Cat–X, 1995.

7.Bb3 e4 8.Ne2 Bd6 9.0–0 Ng4 10.Nf4 Qh4 11.h3 Nf6 12.d3 Bf4 13.ef4 Qf4 14.de4 Ne4 15.Bg7 Rg8= 16.Qd4 Bh3 17.Re1 Bg2 18.Nc3? Qg4–+ 19.Qe5 Kd7 20.Rad1?! Kc8 21.Ne4 Be4 22.Qg3 Qf3 23.Kf1 Qh5 24.Rc1 Qh1?? 25.Ke2+= Qf3 26.Qf3 Bf3 27.Kf3 Rg7 28.Re7 c6 29.bc6 bc6 30.Rc6 Kd8 31.Rcc7 Rc8 32.Ra7 Ra8 33.Rab7 Ra3 34.Ke2 h5 35.f4 Rg2 36.Kf3 Rga2+/– 37.Re3 Rb3 38.Rb3 Nc4 39.Rd3 Ke8 40.Rdd7 Nd2 41.Kg3 Ne4 42.Kh3 Nc5 43.Re7 Kd8 44.Rbc7 Rf2 45.Kg3 Rc2 46.Ra7 Ra2 47.Rf7 Ne4 48.Kf3 Ra7 49.Ra7 Nd2 50.Kg3 Ne4 51.Kf3 Nd2 52.Kg3?? Ne4 53.Kh4 Nf6 54.Kg5 Nd5 55.f5 Ne3 56.f6 Nd5 57.f7 Nc7 58.f8Q Kd7 59.Qf7 Kd6 60.Rc7 (60...Ke5 61.Rd7 h4 62.Qd5) 1–0. Crafty 19.01 – Fritz 5.32, 2004.

7.Bb3 Bg4 8.Nf3 Bd6 9.h3 Bd7 10.Ne5 Be5 11.Be5 Bb5 12.Nc3 Ba6 13.Qf3 Nbd7 14.d4 c6 15.Bd6 Qa5 16.e4 Nb6 17.Rc1 Nc4 18.Bc4 Bc4 19.Be5 Nd7 20.Bg7 Qg5 21.Bh8 Qc1 22.Nd1 0–0–0 23.Bg7 Nc5 24.Qf5 Ne6 25.Bf6 Qc2 26.Qg4 Rd7 27.Qg8 Kc7 28.Be5 Kb6 29.Qg4 Nd4 30.Bc7 Kc7 31.Qg3 Rd6 32.Qd6 Kd6 33.e5 Kc7 34.Nc3 Qc1 35.Nd1 Nc2 0–1. COMP – COMP, 2002.

7.Be2 Qe7 8.Nf3 e4 9.Nd4 Qe5 10.d3 Qg5 11.de4 Qg2 12.Bf3 Qg5 13.Nd2 Bd6 14.h4 Qc5 15.Rg1 Nc4 16.Nc4 Qc4 17.a3 Be5 18.Rg5 Nd7 19.Bg4 f5 20.Bf5 Bd4 21.Qd4 Qd4 22.Bd4 Nf8 23.Rg7 Bf5 24.ef5 Nd7 25.Rc1 Rc8 26.f6 Rf8 27.Re7 Kd8 28.Rd1 Rg8 29.Rd2 Re8 30.Rg7 Ra8 31.Be5 Re5 1–0. COMP – COMP, 2002.

6.Bc4 Bd6

7.d3 0–0 8.Nd2 Nb6 9.Bb3 Bf5 10.d4 Qe7 11.Ne2 Rfd8 12.Ng3 Bd3 13.a4 ed4–+ 14.Qf3 Bb4 15.Rd1 Bc3 16.Ne2?? Bb2 17.0–0 de3 18.fe3 Nbd5 19.Bd5 Nd5 20.Rde1 Qe3 21.Qe3 Ne3 22.Rf2 Nc2 23.Rd1 Bc4! 24.Ng3 Bd4 (25.Nde4 Bf2 26.Nf2 Rd1 27.Nd1 a6 28.ba6 Ra6–+) 0–1. Mroz,Antoni – Zielinski, corr Poland, 1993.

7.d3 0–0 8.Nf3 Qe7 9.0–0 Nb6 10.Nbd2 Bg4 11.a4 Rfd8 12.Bb3 a6 13.a5 Nbd7 14.ba6 Ra6 15.Bc4 Ra7 16.a6 ba6 17.Ra6 Ra6 18.Ba6 Nd5 19.Qa4 Bf3 20.Nf3 Nc5 21.Qc4 c6 22.Be5 Nc7 23.Bd6 Qd6 24.Ng5 Qd5 25.Nf7 Qf7 26.Qc5 Na6 27.Qc6 Nb4 28.Qb6 Qe7 29.d4 Nd5 30.Qb3 Qe4 31.Re1 Kh8 32.f3 Qh4 33.Qb1 Qg5 34.Qb5 Qf6 35.Qc5 h6 36.Qa7 Ne7 37.Qa5 Nf5 38.d5 Nh4 39.f4 Rc8 40.Qb5 Qf5 41.e4 Qf4 42.Qb2 Re8 43.Qe2 Nf5 44.Qf3 Qe5 45.Rd1 Nd6 46.Qe3 Ne4 47.Rd4 Qb8 48.h3 Nf6 49.Qc3 Qb1 50.Kh2 Re1 51.Kg3 Ne4 52.Re4 Qe4 53.Qd2 Re2 54.Qe2 0–1. COMP – COMP, 2002.

7.d3 Nb6 8.Bb3 =+.

7.d3 Nb6 8.Nd2 0–0 9.Ngf3 Qe8 10.a4 a6 11.0–0 Bg4 12.ba6 ba6 =.

7.d4 0–0 8.Nf3 Nb6 9.Be2 e4 10.Nfd2 Re8 11.Nc3 Qe7 12.Qc2 Bf5 13.0–0 Rad8 14.a4 Nbd5 15.Nc4 Bb4 16.Rfc1 Bg4 17.Nd5 Rd5 18.Bf1 Nd7+= 19.Bc3 Bc3 20.Qc3 c5 21.bc6 bc6 22.Rab1 Qd8 23.Rb7 Qa8 24.Rc7 c5= 25.dc5 Nc5 26.Nd6 Rf8 27.Nb5 Na4 28.Qb4+/– a6 29.Nd4 Qe8 30.Ba6 (30...Bd7 31.Bb7+–) 1–0. Van Rooijen,Peter (1805) – Berkley,Stephen (1690), IECC, 2000.

7.Ne2 0–0 8.0–0 Nb6 9.Bb3 e4 10.Qc2 c5 11.Ng3 Re8 12.Bf6 Qf6 13.Nc3 Bf5 14.Nce4 Re4 15.Ne4 Qe5 16.Bf7 Kf8 17.f4 Qe4 18.Qe4 Be4 19.Bh5 Bd3 20.Rf2 Bb5 21.Bf3 Ba6 22.Rc1 c4 23.Be4 Kg8 24.Bf3 Rd8 25.Rb1 Be7 26.Bg4 Nd5 27.g3 Bc5 28.Kg2 b5 29.Bf5 Nb4 30.Kf1 Nd3 31.Re2–/+ b4 32.Bd3 Rd3–+ 33.Kf2 c3 34.dc3 Rc3 35.Reb2 Be3 36.Kg2 Bb7 37.Kh3 a5 38.Re1 Bf4 39.Re7 Bc8 40.Kg2 Bd6 41.Ra7 Bc7 42.Ra8 Bb6 43.Rb8 Rc6 44.h3 Kf7 45.h4 Be6 46.Kh2 Kg6 47.Re8 Bc7 (48.Re7 Kf6–+) 0–1. Miraglia,Jorge – Goodman,Conrad, IECC, 1997.

7.Ne2 e4 8.d4 =+.

5.c4 c6

6.a4 Bb4 7.Nf3 e4 8.Nd4 cb5 9.cb5 Ne5 10.Qb3 Bd6 11.d3 0–0 12.Nd2 Bg4 13.h3 Bh5 14.Nf5 Bc7 15.Rc1 Bg6 16.Nh4+= Qd7 17.Ng6+/– fg6 18.de4 Qf7 19.f4 Ne4? 20.Ne4 de4 21.Qf7 Rf7 22.fe5 Ba5 23.Kd1 Rd8 24.Bd4 Bb6 25.Bc4 Bd4 26.Bf7 (26...Kf7 27.Rc7 Ke6 28.ed4 Rd4 29.Kc2 Ra4 30.Rg7 Ke5 31.Rb7+–; 26.ed4!? Rd4 27.Ke2 Kf8 28.Bf7 Kf7 29.Rc7 Ke6+–) 1–0. Liepert,Luise – Fritscher,Evelin, Bayern–ch (Women), 1981.

6.a4 Bb4 7.Nf3 e4 8.Nd4 Ne5 9.Nc6 Nc6 10.bc6 bc6 11.cd5 cd5 12.Qb3 =.

6.a4 Bb4 7.Nf3 Qe7 8.Be2 0–0 9.0–0 a6 10.Nc3 e4 11.Nd4 Ne5 12.cd5= cd5 13.f4 ef3 14.Nf3 Neg4 15.Rc1 Re8 16.Kh1 Ne4 17.Qe1 Qd6 18.g3 Re6 19.Ne4 de4=+ 20.Nd4 Ne3 21.Ne6 Nf1?? 22.Nc7+– e3? 23.Na8 Qd5 24.Kg1 Bc5 25.d4! Nd2 26.Rc5 Qe6 27.d5 Qf5 28.g4 Qf2 29.Qf2 ef2 30.Kg2 Bd7 31.Rc7 Bg4 32.Kf2 Ne4 33.Ke3 h5 34.Bg4 Nf6 35.Bf3 ab5 36.Bf6 gf6 37.a5 Kh7 38.Bh5 Kh6 39.Bf7 Kg5 40.Be6 (40...b4 41.Rb7+–) 1–0. Schiefelbusch,Dirk – Grofig,Patrick, Dortmund op–A, 2003.

6.a4 c5 7.cd5 Nd5 8.Bc4 N7b6 9.Bd5 Qd5 10.Qf3 Be6 11.Qd5 Bd5 12.f3 Nc4 13.Bc3 Bd6 14.Ne2 0–0 15.0–0 f5 16.Kf2 Rae8 17.d3 Nb6 18.Nd2 Re6?? 19.e4 fe4+/– 20.de4 Bc4 21.a5 Be2 22.Ke2 Nd7 23.Nc4 Nf6 24.Nd6 Rd6 25.Be5 Rd7 26.Rac1 b6 27.a6 Rfd8 28.Rfd1 Kf7 29.Rd7 Rd7 30.Rd1 Ke6? 31.Rd7 Kd7 32.Bf6 gf6 33.Kd3 Kd6 34.f4 h6 35.g4 Ke6 36.h4 Ke7 37.Kc4 ½–½. hal1958 – tribanec, HCL–A1095 playchess.de, 2003.

6.a4 Bd6 7.d4 =+.

6.a4 Bd6 7.Nf3 0–0 8.Nc3 dc4 9.bc6 bc6 10.Bc4 e4 11.Nd4 Ne5 12.Be2 c5 13.Ndb5 Bb8 14.0–0 a6 15.Na3 Qd6 16.g3 Bh3 17.Re1 Rd8 18.Qc2 Nd3 19.Red1 Bc7 20.Rab1 Bf5 21.Nc4 Qe6 22.Na3 Rab8 23.Ba1 Bg4 24.Rb8 Rb8 25.Rf1 Rb3 26.Bg4 Ng4 27.Ncb1 Qd5 28.h3 Nge5 29.Be5 Be5 30.Nc4 Rb4 31.Ne5 Qe5 32.Qd1 Qf5 33.g4 Qe5 34.Nc3 Rb2 35.Ne2 Qd6 36.Nc3 Qc6 37.Qe2 c4 38.Nd1 Rb4 39.Nc3 Rb3 40.Kg2 Rb2 41.g5 Qe6 42.Qg4–/+ Qg4 43.hg4 Rd2 44.Ne4 Ra2 45.Rb1 Kf8 46.Rb8 Ke7 47.Rg8 g6 48.Rg7 Ke6 49.Rh7 Ke5 50.Nc3 Rf2 51.Kg3 Rc2 52.Nd1 Rc1 53.Nf2 Rg1 54.Kh2 Rf1 55.Nd3 cd3 56.Rh8 Ra1 57.Re8 Kd5–+ 58.Kg2 Ra4 59.Kf3 Kc4 60.Re7 Ra1 61.Rc7 Kb3 62.Rb7 Kc2 63.Rc7 Kd2 64.Kf2 Re1 65.Rf7 Re2 66.Kg3 Re3 67.Kg2 a5 68.Rf6 Re2 69.Kf1 Re4 70.Rg6 Rf4 71.Kg2 a4 72.Kg3 Rc4 73.Re6 Kc2 74.g6 d2 75.g7 Rg4!! 76.Kg4 d1Q 77.Kg5 Qg1 78.Kf6 a3 79.Kf7 Qf2 80.Kg6 a2 81.Rc6 Kd3 82.Ra6 Qg3 83.Kh7 Qh3 84.Kg6 Qg2 85.Kf6 Kc3 86.Ra5 Kb4 87.Ra2 Qa2 88.Kg6 Qg8 (89.Kh6 Kc4–+) 0–1. Crafty 19.01 – Fritz 8, 2004.

6.a4 Bd6 7.Nf3 0–0 8.Be2 a6 9.0–0 Qc7 10.h3 ab5 11.ab5 Ra1 12.Ba1 Re8 13.Nc3 Nb6 14.cd5 Nbd5 15.Qb1 h6 16.Rc1 Be6 17.bc6 bc6?? (better is 17...Nc3 18.Bc3 bc6=) 18.Nb5!+– Qd7 (18...cb5 19.Rc7 Pinning (19.Rc7 Deflection; 19.Rc7 Clearance)) 19.Nd6 Qd6 20.Be5 Qd7 21.Kh2 Bh3? (better is 21...Bg4 22.Bf6 Bf3 23.Bf3 Qd6 24.Kg1 Qf6+–) 22.gh3 1–0. Huelle,Gunter – Kielstein,Hans (1960), Leipzig VfB op, 2006.

6.a4 Be7 7.Nf3 Qc7 8.Be2 0–0 9.0–0 e4 10.Nd4 dc4 11.Bc4 Ne5 12.Be2 c5 13.f4 Neg4 14.Qc2 Qd6 15.Nb3 h5 (better is 15...Be6+=) 16.h3+/– Nh6 17.Be5 Qd8 18.Nc5 Qb6? (better is 18...Nf5+/–) 19.Ne4+– Nd5 20.Bd4 (better is 20.Bh5!? Bf5 21.Qc4+–) 20...Qg6 21.Rf3 Bf5 22.d3 Rac8 23.Qd1 Be4 24.de4 Qe4 25.Rg3 (25.Nd2 Qc2+–) 25...Nf6? (25...Nf5!? 26.Bd3 Rc1 27.Qc1 Qd3=) 26.Nc3 Qe6 27.Bh5 Nf5 28.Bg4 Ng4 29.Rg4 (better is 29.Qg4!? Bf6 30.Ne2=) 29...Rc3! 30.Bc3 Qe3 31.Kh2 Qc3 32.Rc1 Qa3 1–0. Buck,K1 (1835) – Almi,Olavi, TCh–Eur Seniors, Dresden GER, 2010.

6.bc6 bc6 7.cd5 cd5 8.Bb5 Bd6 9.Nc3 0–0 10.d4 ed4 11.Qd4 Be5 12.Qd3 Nb6 (Better is 12...Nc5!? 13.Qc2 Qa5–/+) 13.Nf3+= Nc4 14.Bc4 Bc3 15.Bc3 dc4 16.Qc4 Be6 17.Qa4 Rc8 18.Rd1 Qc7 19.Bf6 gf6 20.0–0 Kh8 21.Rd2 Rg8 22.Qd4 Qe7 23.Rfd1 Bg4 24.Qf4 f5 25.Rd4 Rc2 26.a4 f6 27.g3 Qb7 28.Rd5 Qb2 29.Rb5 Qa2 30.Qd6 Qf7 31.Kg2 Bf3 32.Kf3 Qh5 33.Kg2 Qg5 34.Rb8 Rb8 35.Qb8 Kg7 36.Rd7 Kh6 37.Qf8 Kh5 38.Rh7 Kg4 1–0. Bonetti,Shane – Drago7, ICC, 2002.

6.bc6 bc6 7.cd5 cd5 8.Bb5 Bd6 9.Nc3 0–0 10.d4 Re8 11.Nge2 Re7 12.Bc6 Rb8 13.Bd5 Rb2 14.0–0 Nd5 15.Nd5 Re8 16.de5 Be5 17.Nd4 Nb6 18.Qc1 Bd4 19.ed4 Rb5 20.Nc7 Rh5 21.Ne8 Qe8 22.Qc7 Nd5 23.Qa7 Rg5 24.Rfe1 Qd8 25.Qa5 Qd7 26.a4 h6 27.Qd2 Bb7 28.g3 Qh3 29.Re8 Kh7 30.f3 Nf6 31.Re3 Rg3 32.hg3 Qg3 33.Qg2 Qf4 34.Rd3 Nd5 35.Qg4 Qf6 36.Qe4 g6 37.Qe5 Qh4 38.Qh2 Qg5 39.Kf2 Nf4 40.Rda3 Nh5 41.Rd1 Qa5 42.Qd6 Qf5 43.d5 Qh3 44.Ke3 Bc8 45.Qc7 Ng3 46.Qf7 Kh8 47.Qg6 Nf5 48.Kd2 Qh2 49.Kc1 Qf4 50.Rd2 Qc4 51.Rc2 Qf1 52.Kb2 1–0. Bonetti,Shane – roofrunner, ICC, 2002.

6.d4 Bb4 7.Bc3 Bc3 8.Nc3 ed4 9.Qd4 c5 =.

6.d4 Ne4 7.Nf3 Bb4 8.Nbd2 ed4 9.bc6 bc6 10.Bd4 0–0 11.cd5 c5 12.Bb2 Ndf6 13.a3 Ba5 14.Bd3 Qd5 15.Ke2 Qd3 16.Kd3 Nf2 17.Ke2 Nd1 18.Bf6 Ne3 19.Ke3 gf6 20.Nc4 Re8 21.Kf2 Bc7 22.Rab1 Ba6 23.Rhc1 Bf4 24.Rc3 Rad8 25.g3 Bh6 26.Rb2 Re4 27.Rbc2 Rde8 28.Nh4 R8e6 29.Nf5 Bf8 30.h3 Bb7 31.Rd3 Bc6 32.Rd8 Re8 33.Re8 Re8 34.g4 h6 35.Rc3 Re6 36.Rd3 Bb5 37.Rc3 a6 38.Nce3 Re5 39.Nc4 Rd5 40.Ke3 Rd1 41.Nd2 Bc6 42.Rd3 Re1 43.Kf2 Re8 44.Re3 Re6 45.Rd3 h5 46.Rd8 hg4 47.hg4 Bb5 48.Kg3 Re1 49.Kf2 Re5 50.Kg3 c4 51.Kf4 Re6 52.Rc8 Bc6 53.Nc4 Re4 54.Kg3 Rc4 55.Ne7 Kg7 56.Nf5 Kh7 57.Rf8 Bd5 58.Re8 Be6 59.Rd8 Rc3 60.Kf4 Ra3 61.Nd4 a5 62.Rd6 Ra1 63.Ne6 fe6 64.Re6 a4 65.Re2 Kg6 66.Rf2 a3 67.Rd2 Rf1 68.Kg3 Rg1 69.Kf3 Rb1 70.Ra2 Rb3 71.Kf4 Rb4 72.Kf3 Ra4 73.Kf2 Ra7 74.Kf3 Kg5 75.Kg3 Ra5 76.Kf3 Ra4 77.Kg3 Rg4 78.Kf3 Kh4 79.Rh2 Kg5 80.Ra2 Ra4 81.Rg2 Kf5 82.Ra2 Ke5 83.Ke3 f5 84.Kd3 f4 85.Ke2 Re4 86.Kd2 Re3 87.Rc2 Rh3 88.Rc1 a2 89.Rf1 Ke4 90.Kc2 Re3 91.Kb2 Re2 92.Ka1 Ke5 93.Rd1 f3 94.Rd5 Ke6 95.Rd6 Ke7 96.Rd7 Kf6 97.Rf7 Ke5 98.Rf3 Ke4 99.Rf2 Re1 100.Ka2 Kd4 101.Kb3 Rb1 102.Kc2 Ra1 103.Rf4 Ke5 104.Rf8 Ra7 105.Kd3 Ra3 106.Kc4 Ra4 107.Kb3 Ra6 108.Re8 Kd5 109.Kc3 Rg6 110.Rd8 Kc5 111.Rd7 Rg1 112.Kd2 Rh1 113.Rd8 Rh4 114.Ke3 Kc4 115.Rc8 Kd5 116.Re8 Rh1 117.Rd8 Ke5 118.Rc8 Rh3 119.Ke2 Kd4 120.Rd8 Ke4 121.Re8 Kd5 122.Kd2 Rg3 123.Rd8 Ke4 124.Kc2 Rg6 125.Kc3 Rc6 126.Kd2 Re6 127.Ke2 Re5 128.Ra8 Kd4 129.Kf3 Re1 130.Rd8 Kc5 131.Kf2 Re6 132.Kg3 Rf6 133.Kg4 Rf7 134.Rd1 Kc4 135.Rd6 Rf1 136.Rd8 Kc5 137.Kg5 Kc6 138.Re8 Kd5 139.Kg4 Kc5 140.Kg3 Rf6 141.Rd8 Kc4 142.Kg4 Rh6 143.Kf5 Rh7 144.Ke6 Rh5 145.Kf6 Rc5 146.Rd1 Rb5 147.Ke6 Rh5 148.Rd8 Rc5 149.Rd7 Rg5 150.Rd2 ½–½. COMP – COMP, 2002.

6.cd5 cd5 7.d4 Bd6 8.de5 Ne5 9.Qd4 0–0 10.Nc3 Be6 11.Nf3 Nf3 12.gf3 Qe7 13.Bd3 Rfc8 14.Rg1 Bb4 15.a3 Ba5 16.Kf1 Kf8 17.Rc1 Bb6 18.Qh4 d4 19.ed4 h6 20.Rd1 Rd8 21.Na4 Ba5 22.Nc5 Rd5 23.Ne6 Qe6 24.Bc1 Rc8 25.a4 Rh5 26.Qg3 g6 27.Bf4 Qb3 28.Kg2 Kg7 29.Kh1 Bd8 30.Bg6 Rg5 31.Bg5 hg5 32.Bf5 Nd7 33.Bd7 Rc4 1–0. COMP – COMP, 2002.

6.Nf3 Bd6 7.d4 e4 8.Nfd2 0–0 9.Nc3 Bb4 10.Qb3 Bc3 11.Bc3+= Re8 12.Be2 Nf8 13.h3 h5 14.a4 Bf5 15.a5 Qd7 16.a6 Rab8 17.ab7 Rb7 18.Ra6 dc4 19.bc6 cb3–/+ 20.cd7 N8d7 21.0–0? Rc8–+ 22.Nc4 Ne8 23.Na5 Rb6 24.Rc1 Be6 25.Rb6 ab6 26.Nb3 Bb3 27.Bh5 Nef6 28.Be2 Nd5 29.Bb2 Rc1 30.Bc1 Nc3 31.Ba6 Ba4 32.Ba3 Bc6 33.Kh2 Nf6 34.Kg3 Nfd5 35.Bc1 Ne2 36.Be2+/– b5 37.f3 Nc3 38.Kf2 f5 39.Bb2 b4 40.Bc4 Kf8 41.Bc3 bc3 42.f4?? c2–+ (43.d5 c1Q 44.dc6 Qc4–+) 0–1. B.A – Johnson,E, DCC Poughkeepsie NY, 2005.

5.d4 e4

6.a4 Bb4 7.c3 Ba5 8.Ne2 c6 9.Ng3 0–0 10.Be2 Re8 11.0–0 Nf8 12.Nd2 Bc7 13.c4 a6 14.cd5 cd5 15.Nb3 b6 16.Rc1 a5 17.Rc2 Bd6 18.Qa1 Bd7 19.Rfc1 Qe7 20.Nd2 Rac8 21.Ndf1 Rc2 22.Rc2 Ng6 23.h3 Nh4 24.Nh2 h6 25.Qd1 Nh7 26.Ng4 f6 27.Nh5 Ng5 28.Nf4 Bf4 29.ef4 Ne6 30.g3 Nf5 31.Ne3 Ne3 32.fe3 Qd6 33.Bh5 Rc8= 34.Kg2 Kh7 35.Rc8 Bc8 36.h4 g6 37.Bg4 f5 38.Be2 Ng7 39.Qc2 Bb7 40.Bc3 Ne6 41.Qd2 Qc7 42.g4 Ng7 43.Qb2 Qd8 44.g5= Ne6 45.Bd1 h5 46.Be2 Kg7 47.Qb3 Kf7 48.Ba5? ba5–+ 49.b6 Ke7 50.Qb5 Qa8 51.Kf2 Bc6 52.Qb3 Qb7 53.Ke1 Kd7 54.Kd2?? Nc7!–+ 55.Bh5 gh5 56.Qd1 Qb6 57.Qh5 Qb2 58.Ke1 Qc3 59.Kf1 Qe3 60.Qh7 Kd8 61.g6 Qf4 62.Kg2 Qg4 63.Kh2 Ne8 64.Qa7 Qg6 65.Qa5 Nc7 66.Qb6 f4 (66...f4 67.Kh1 e3–+) 0–1. Norbeck,Ivar – Ek,Sten, corr Sweden, 1987.

6.c4 Be7 7.cd5 Nb6 8.Ne2 Nbd5 9.g3 a6 10.ba6 Ra6 11.Nbc3 Bg4 12.Qb3 Rb6 (12...Rb6 13.Nd5 Rb3 (13...Qd5?! 14.Qa4 Qd7 15.Qa8 Qd8 16.Qa4 Bd7 17.Qc2=+; 13...Nd5?! 14.Qc2–+) 14.Nf6 Bf6 15.ab3 Bf3–+) 0–1. Dircula – JF_, ChessWorld.net, 2005.

6.Nd2 Bb4!? =+.

6.Nd2 b6 7.c4= Bb7 8.Ne2 c6 9.bc6 Bc6 10.Nc3 Be7 11.cd5+= Nd5 12.Nce4 0–0 13.Rc1 Rc8 14.Ng3 Bh4 15.e4 Re8 16.Ba6 Rb8?? 17.Rc6+– Nb4 18.Bb5 Nc6 19.Bc6 Bg3 20.hg3 Re7 21.d5 Nc5 22.Qh5?? h6?? 23.Bg7!+– Ne4 24.Qh6 1–0. Baumann,Heinz – Neffgen,Dieter, RSX4D – Sokolsky Taunus–1, 2002.

6.Nd2 Be7 7.a4 c5 (7...Nb6 8.Ba3=+) 8.Ne2 c4 9.Nf4 a6 10.ba6 Ra6 11.Be2 Qa5 12.Bc3?? Qc3–+ 13.g4 h6 14.h4 Nb6 15.Rg1 Na4 16.g5 Nb2 17.Qc1 Ra1 18.Qa1 Nd3! (19.cd3 Qa1 20.Bd1 hg5 21.hg5 Bb4–+) 0–1. Tiedemann,Joern – Baumann,Heinz, RSX4D – Sokolsky Taunus–1, 2002.

6.Nh3 Nb6 7.Nf4 –/+.

6.Nh3 h6 7.f4 Nb6–/+ 8.Nf2 Bb4 9.Nd2 Nc4 10.Bc4=+ dc4 11.c3 Bd6 12.0–0 Nd5 13.Re1 Be7 14.Nfe4+/– 0–0 15.a4 a6 16.Nc4+/– ab5 17.ab5 Bf5 18.Ng3 Ra1 19.Qa1 Qd7?? 20.e4 Be4 21.Ne4 Nf4 22.Ne5 Qb5 23.c4 Qb3 24.Nd2 Qd3 25.Ndf3 Qc2=+ (26.Re2 Qe2–+) 0–1. Neffgen,Dieter – Tiedemann,Joern, RSX4D – Sokolsky Taunus–1, 2002.

5.Nf3 e4

6.Nd4 c5 7.bc6 bc6 8.Nc6 Qb6 9.Bf6 Nf6 = (< 9...Qc6 10.Bd4+/–).

6.Nd4 c5 7.Nf5 g6 8.Be2?? gf5–+ 9.d3 Bg7 10.de4 fe4 11.Nd2 0–0 12.f4 Nb6 13.g4 Nfd7 14.Bg7 Qh4 15.Kf1 Kg7 16.Rg1 Nf6 17.g5 Ng8 18.Bg4 Bg4 19.Rg4 Qh2 20.Ke1 Ne7 21.Nf1 Qh3 22.Qe2 Nf5 23.Kd2 Nc4 24.Kc3 Nce3 25.Ne3 Ne3 26.Rgg1 Nf5 27.Kd2 e3 28.Kc1 d4 29.Kb2 Ng3 30.Qg2 Qg2 31.Rg2 Nf5 32.Rh1 c4 33.Rgh2 Rh8 34.Ka3 c3 35.Kb4 a6 36.b6 a5 37.Kc4 Rac8 38.Kd3 Ng3 39.Rg1 (39…e2 40.Re1–+). Gramps – JesusResign, Live Game Caissa's Web, 2004.

6.Nd4 Nc5 7.Nc3 Bd6 8.Be2 0–0 9.0–0 Be5 10.f4 Bd4 11.ed4 Ne6 12.Nb1 c5 13.dc5 Nc5 14.Be5 d4 15.d3 ed3 16.cd3 (worse is 16.Bd3 Ng4 17.Qd2 Re8–/+) 16...Bf5 17.Qd2 Ng4 18.Rc1 Ne6 (18...Ne5? 19.Rc5 (worse is 19.fe5 Qd5–/+) 19...f6 20.fe5 fe5 21.Bf3+– (21.Re5 Qd6 22.Re4 Be4 23.de4 d3–+)) 19.Bg4 Bg4 20.Qb4 Attacks the isolani on d4 20...Qd5 21.Qc4 (better is 21.a4!?+=) 21...Rfd8 22.Nd2 f6 23.Bc7 Rd7 (better is 23...Rac8 24.Qd5 Rd5–/+) 24.Qd5= Rd5 25.Ne4 (25.Rc4 Be2 26.f5 Nc5–+) 25...Rd7 (25...Nc7?! 26.Rc7 Rb5 27.Re1+=) 26.Nf2 Nc7 27.Ng4 Nb5 28.Nf2 Nc3 29.Re1 Rc8 30.g4 Nd5 31.f5 g6 32.fg6 hg6 33.Rac1 Rc3 34.h4 Kf7 35.Ne4 Ra3 36.h5 gh5 37.gh5 Ra2 38.Rf1 Re2 39.Rf3 Re3 40.Kf2 Rf3 41.Kf3 Nb4 42.Ke2 b6 43.Kd2 a5 44.Rf1 Nd5 45.Rh1 a4 46.h6 Kg6 47.Nd6 Kh7 48.Nf5 Nc7 49.Kc2 b5 50.Rb1 Rd5 51.Rf1 b4 52.Kb2 Nb5 53.Rf2 Re5 54.Ng3 Re3 55.Ne4 Nc3 56.Nc3 dc3 57.Kc2 Re6 58.Rf4 Re2 59.Kd1 c2 (59...c2 60.Ke2 c1Q–+) 0–1. Rosner,Dirk (2175) – Jesche,Lothar (2300), RSX15E3–A00–SokolskyT–1, 2007.

6.Nd4 Ne5 7.d3 Bg4 8.Be2 Bd6 9.h3 Be2 10.Qe2 0–0 11.Nd2 c5 12.bc6 bc6 13.de4 Rb8 14.f4 Rb2 15.fe5 Be5 16.ed5? Bd4–+ 17.ed4 Re8 (18.dc6 Rc2–+; 17...cd5?! 18.0–0 Rc2 19.Qd1–/+; 17...Rc2?! 18.0–0 Qd5 19.Qd3–+; 17...Nd5?! 18.0–0 Nc3 19.Qd3 Qd4 20.Rf2 Qd3 21.cd3–+) 0–1. daSplash – Caissa, Live Game Caissa's Web, 2004.

6.Nd4 Ne5 7.Be2 Bd6 (7...c5 8.bc6 bc6 9.Nc3+=) 8.Nc3 (8.f4 ef3 9.Nf3 Nfg4+=) 8...0–0 (8...c5 9.bc6 bc6 10.Rb1+=) 9.Rb1 (9.0–0 c5 10.bc6 bc6+=) 9...a6 10.ba6 b6 11.d3 Ba6 12.0–0 Re8 (12...Qd7 13.de4 de4 14.Ba6 Ra6 15.Qe2+=) 13.a4 (13.de4 Ne4 14.Ne4 de4 15.Ba6 Ra6+=) 13...Bb4 14.Ba1 Bc5 (14...c5 15.Ndb5+=) 15.de4–/+ Ne4 (15...de4 16.Ba6 Ra6 17.Qe2+=) 16.Ne4+= de4 17.Ba6 Ra6 18.Nb5 Ng6 (18...Qc8 19.Be5 Re5 20.Nc3=) 19.Nc3 Qc8 20.Qe2 (20.Qd5 Ra5 21.Ne4 Be3+=) 20...Ra8 21.Qc4 Qf5 (21...Qg4 22.h3 Qe6 23.Qe6 Re6 24.Rfd1+=) 22.Nd5 (22.Rfd1 Nh4 23.Ne2 Qe6=) 22...Nh4+= 23.Qc3 (23.Nc7? Qg4 24.g3 Nf3 25.Kg2 Ng5–+) 23...Bf8 (23...Qg5 24.Qg7 Qg7 25.Bg7 Kg7 26.Nc7+=) 24.Nf4 (24.Nc7? Qg6 25.g3 Nf3 26.Kg2 Rec8 27.Na8 Rc3 28.Bc3 Qc6 29.Nb6 Qc3–+) 24...Qc8 (24...Qc5 25.Rfd1+=) 25.Rb5 (25.Rfd1 Ra4 26.h3 Ra5–/+) 25...Ra4 26.Bb2 Ra2 27.h3 Ng6 28.Nd5 Qd7–/+ 29.Qc4 Ra7 30.Nc3 Qe6 31.Qe6 Re6 32.Rd1 Bc5 33.Rb3 c6 34.Ne2 f5 35.Bd4 Rd6 36.Rdb1 Ne7 37.Bc5 bc5 38.Kf1 Kf7 39.Rc3 Ra5 40.g4 g6 41.Nc1 Rd1 42.Ke2+= Rh1 43.Nb3 Rb1 44.Na5 Ke6 45.Rc5 Kd6 46.Rc4 Rh1 47.Nb7 Kc7 48.Nc5 Rh3 49.Rd4 Nd5 50.c4 Nc3 51.Kd2= Na2 52.Kc2 Kb6 53.Nd7= Ka5 54.Kb2 Nb4 55.Rd1 Ka6 56.Kc3 ½–½. Taulien,Hans_Juergen (2350) – Baumann,Heinz (2355), RSX4D–Sokolsky Taunus–1, 2002.

4.Nf3 e4

5.Ne5 Ne5 6.Be5 Nf6 7.e3 Be7 8.c4 0–0 9.Bb2 Be6–/+ 10.cd5 Qd5 11.Nc3 Qf5 12.d4 Bb4 13.Be2 Nd5 14.Qc2=+ Nc3 15.Bc3= Bd6 16.a4 Rad8 17.0–0= h6 18.a5 c5 19.bc6 bc6 20.Rac1 Rd7 21.a6 Rc8 22.f3 ef3 23.Qf5 Bf5 24.Bf3 Re7 25.Bc6 Rc6 26.Rf5 Re3 27.Bd2 Rc1 28.Bc1 Re1 29.Rf1 Bh2! 30.Kf2 Re6 31.d5 Ra6 32.Rd1 f5 33.Kf3 Kf7 34.g3 h5 35.Kg2=+ Ra2 36.Bd2= Ra3?? 37.Bf4?? g5–/+ 38.Bc7 Ra2–+ 39.Kh3 Rc2 40.d6 f4 41.d7 g4 42.Kh4 Bg3 43.Kh5 Rh2 44.Kg4 Rh4 45.Kg5 Rh3 46.Bf4 Bh4 47.Kg4 a5 48.Kh3 Bd8 49.Kg4 a4 50.Bg5 Bc7 51.Kf5 a3 52.Ra1 Bb6 53.Ra3 Kg7 54.d8Q Bd8 55.Bd8 Kf7 56.Ra7 Ke8 57.Be7 Kf7 58.Bd6 Ke8 59.Ke6 Kd8 60.Ra8# 1–0. SuperForte – REXChess, 1994.

5.Ne5 Ngf6 6.Nf7? Kf7–+ 7.e3 Bd6 8.d3 Nb6 9.Nc3 Bb4 10.a3 Ba5 11.Qd2 Na4! 12.Be2 Nb2 13.de4 Na4! (14.0–0 Bc3–+) 0–1. Taulien,Christian – Nowsky,Michael, remoteschach.de, 2003.

5.Nd4 Ne5

6.e3 Bd6 7.Nc3 Nf6 8.Be2= 0–0 9.0–0 c5 10.bc6 bc6 11.Rb1 Re8 12.d3 Rb8 13.h3 (13.Qd2 Re7+=) 13...Qe7 (13...Re7 14.de4 de4 15.Qc1+=) 14.Qc1 (14.Qd2 Rd8+=) 14...Bd7 (14...a6 15.de4 Ne4 16.Rd1+=) 15.de4 Ne4 16.Ne4 de4 17.Rd1 Qg5 18.f4 ef3 19.Nf3 Nf3 20.Bf3 Qg3 (20...Qg6 21.Qd2 Re6 22.Qd4=) 21.Qd2 Qh2 22.Kf2 (22.Kf1 Re6+=) 22...Bg3 (22...Bc5 23.Bd4 (23.Qd7? Be3 24.Ke2 Bb6 25.Kd3 Re3 26.Kc4 Rf3–+) 23...Rb1 24.Rb1+=) 23.Ke2= Be6 24.Qc3 (24.Bc6 Bc4 25.Kf3 A) 25...Ba2 26.Rh1 Red8 27.Qd8 (27.Rh2? Rd2 28.Kg3 Bb1–+) 27...Rd8 28.Rh2 Bh2 29.Ra1+–; B) 25...Bc7–/+) 24...Be5!–/+ 25.Qc6 (25.Qe5 Bc4) 25...Rbc8 26.Be5 Qe5 27.Qa4 Bh3! 28.Kf1 Bf5 29.Rd2 Qe7 30.Qf4 Be6 31.a4 g5 32.Qd4 Bc4 33.Kg1 Qe3 34.Qe3 Re3 35.Rb7 a6 36.Rb6 Rc5 37.Rd4 Kg7 38.Kf2 Ra3 39.Be4 h5 40.Rb4 Be6 41.Bd3 Bf5 42.Rbc4 Ra5 43.Bf5 Rf5 44.Kg1 Ra1 45.Kh2 h4 46.Rd6 Rff1 47.Kh3 Rf2 48.Kh2 f6. Taulien,Hans_Juergen (2350) – Schudig,W (2310), remoteschach.de, 2003.

6.e3 Bd6 7.Nc3 Bg4 8.Qc1 Nf6 9.h3 (9.Be2 Be2 (9...0–0 10.Bg4 Nfg4 11.h3 Qh4 12.g3 Qh5 13.Nd5 Nc4) 10.Nce2 a6 11.0–0 0–0 12.a4 Qd7 13.Bc3 c5; 9.Ba3 0–0 10.h3 Bh5 11.g4 Bg6 12.g5 Ne8 13.h4 Nf3) 9...Bd7 (9...Be6 10.Be2 0–0 11.0–0 Qe7 12.Ne6 Qe6 13.Na4 Nf3) 10.Ba3 Qe7 11.Bd6 Qd6 12.Be2 a6 (12...0–0 13.0–0 a6) 13.0–0 0–0 14.a4 ab5 15.ab5 c5 16.bc6 bc6 17.Qb2 c5 18.Ndb5 Rab8 19.Qa3 Qe7 20.Rfb1 Nc6 (20...Rb7 21.d4 ed3 22.cd3=) 21.Nc7 (21.d4 ed3 22.Bd3 Rfd8=) 21...d4 (21...Nb4 22.d4+=) 22.N3d5 Qd6 (better is 22...Nd5!? 23.Nd5 Rb1 24.Rb1 Qd6+=) 23.Nf6+= Qf6 24.Qc5 de3 25.fe3. Dammer,Axel (2400) – Maly,Guenther (1740), RSX7E–A00–Sokolsky–1, 2008.

6.e3 Bd6 7.Nc3 Bg4 8.Be2 Be2 9.Qe2 +=.

6.e3 Bd6 7.d3 Nf6 =+.

6.e3 Bd6 7.f4 ef3–/+ 8.Nf3 Bg4 9.Be2 Nf3 10.Bf3 Qh4 11.Kf1 Nf6 12.Nc3 0–0–0 13.Ne2 Bf3 14.gf3 Rhe8 15.h3 Nh5 16.Bd4 Be5 17.Be5 Re5 18.f4 Re4 19.Rh2 Rd6 20.a3 Rg6 21.Qe1 Ng3 22.Ng3 Rg3 23.Rg2 Rf3 24.Kg1 Qh3 (25.Rg7 d4 26.Rg8 Kd7–+) 0–1. Scholbach,Tillmann (1935) – Kerndl,Rainer (2295), IECG, 2000.

6.e3 Nf6 7.Be2 Bd6 8.0–0 0–0 9.f4 ef3 10.Nf3 Nf3 11.Bf3 c6 12.c4 Be6 13.cd5 cd5 14.Bd4= Qc7 15.Bf6 Bh2 16.Kh1 gf6 17.Nc3 Rad8 18.Ne2 Bd6 19.Rc1 Qa5 20.Nc3 Ba3 21.Rb1 d4=+ 22.ed4 Rd4 23.Qe1 Bc4 24.Be2 Be2 25.Ne2 Rd5 26.Qg3 Rg5 27.Qf3 Bd6 28.Nc3 Be5 29.Rb3 Rd8 30.Nd5 Kh8 31.Nf6 Rd6 32.Ng4 Rh5 33.Kg1 Bd4 34.Ne3 Rdh6 35.g4 Rh1 36.Qh1 Rh1 37.Kh1 Qd2 38.Nf5 Be5 39.Rh3 Qa2 40.Rc1 Qd5 41.Kg1 Bd4 42.Kh2 Qe5 43.Ng3 Qe6 44.Rh5 Be5 45.Rf1 f6–+ 46.Rhf5 Qb6 47.Kh3 Qb5 48.Nh5 Qe2 49.R5f2 Qd3 50.Rf3 Qd2 51.R3f2 Qc3 52.Rf3 Qc2 53.R3f2 Qb3 54.Rf3 Qa2 55.R1f2 Qa1 56.Rf1 Qb2 57.R1f2 Qb1 58.Rf1 Qe4 59.Nf6 Qc2 60.R3f2 Qd3–+ 61.Rf3 Qd2 62.R1f2 Qc1 63.Rf1 Qb2 64.R1f2 Qa1 65.Rf1 Qa6 66.Nh5 h6 67.Re1 Qc6 68.Rfe3 Bd6 69.Rf1 Bc5 70.Ref3 Be7 71.Re3 Qc5 72.Rff3 Qg5 73.Re4 Kg8 74.Rc4 Bd8 75.Rd4 a6 76.Rd7 a5?? 77.Rb7? Qc5 78.Rd3 Bg5 79.Rdd7 Qe3 80.Ng3 Qe1?? 81.Rb8 (81...Bd8 82.Rbd8 Qe8 83.Re8#) 1–0. CementHead – GrooveTheory, Live Game Caissa's Web, 2006.

6.e3 Nf6 7.Be2 Bd6 8.f4 ef3 9.Nf3 Nf3 10.Bf3 0–0 11.0–0 Re8 12.Bf6 Qf6 13.Bd5 Bh2 14.Kh1 Bf5 15.Qh5 g6 16.Qh2 Qa1 17.Qc7 Qf6 18.Qb7 Rab8 19.Qa7= Rb5 20.Nc3 Rbb8 21.e4 Qh4 22.Kg1 Be6 23.a4 Qe7 24.Qe7 Re7 25.Kf2 Kg7 26.Ke3 h5 27.Kd4 f6 28.d3 Rb2 29.Rf2 Rb4 30.Kc5+= Rb8 31.Bc6 Ra7 32.Nd5 Bd5? 33.ed5+– Ra6 34.c4 Rb3? 35.d4 Rb8 36.d6 Ra5 37.Bb5 Rb7 38.Kc6 Raa7 39.c5 Rd7 40.Kd5 Rd8 41.c6 h4 42.d7 Kf7 43.Kd6 h3 44.gh3 Raa8 45.c7 Rh8 46.Re2 Rhc8 47.Re7 Kf8 48.Re8 Re8 49.de8Q Re8 50.Be8 Kg7 51.c8Q Kh7 52.Bf7 Kh6 53.Qg4 g5 54.Qh5 Kg7 55.Qg6 Kh8 56.Qh6# 1–0. COMP – COMP, 2001.

5.Nd4 Ngf6

6.e3 Bc5 7.Nc3 =+.

6.e3 Bc5 7.Be2 0–0 8.0–0 Ne5 9.f3 Nc4 10.Bc4= dc4 11.Qe2 ef3 12.Nf3+= Be6 13.Ng5 Bd5?? 14.Bf6+– gf6 15.Nh7! Kh7 16.Qh5 Kg7 17.Qg4 Kh8 18.Rf5 (18...Be3 19.de3+–) 1–0. Fritz 6 – Crafty 19.01, 2003.

6.e3 Nc5 7.Be2 Bd7 8.a4 Ne6 9.0–0 Nd4 10.Bd4 b6 11.d3 Bc5 12.Bb2 Bd6 13.Nd2. stoker – lowbrow21, Live Game Caissa's Web, 2006.

6.e3 Ne5 7.Nc3 =+.

6.e3 Ne5 7.d3 c5 8.Nb3 Bd6 9.N1d2 Bg4 10.Qb1 Rc8 11.de4 c4–/+ 12.Be5 Be5 13.Nd4 Ne4 14.Ne4 de4 15.c3 Qa5 16.Qc2 0–0 17.Rb1 Rfd8 18.h3? Bd4 19.ed4=+ Bh5 20.Qd2 f5 21.Rb4= f4 22.Bc4+/– Kh8 23.Be6 e3? 24.fe3+– fe3 25.Qb2?? Rc7 26.g4 Bf7 27.d5 Be6= 28.de6 Rd2 29.Qb3 Qa2 30.Qa2= Ra2 31.Rf1 Kg8 32.Rd4+= Ra1 33.Rd1 Rd1=+ 34.Kd1 Rc3? 35.Rf7 Rd3 36.Ke2 Rd2 37.Ke3 Rd6 38.Rb7 Re6 39.Kd4 a5 40.Ra7+– Rd6 41.Kc5 Rd3 42.b6 Rc3 43.Kb5 Rb3 44.Ka5 h6 45.Ka6 Ra3 46.Kb7 Re3 47.Ra5 Re7 48.Ka6 Re6 49.Ka7 Re7 50.b7 (50…Kf7 51.Ka8 Re8 52.b8Q Rb8 53.Kb8+–) 1–0. Vranova,Jarmila (1735) – Fuksikova,I (1620), CZE Moravia–ch (Women), 1995.

6.e3 Nb6

7.a4 Bc5 8.a5 Bg4 9.Qc1 =.

7.a4 Bc5 8.a5 Bg4 9.f3 ef3 10.Nf3 =.

7.a4 Bg4 8.Qc1= Bc5 9.a5 Nbd7 10.a6 ba6 11.Nc6 Qc8 12.Ra6 0–0 13.c4 Re8 14.h3+/– Bf5 15.g4 Be6 16.g5+– Nh5 17.Be2 g6?? 18.cd5 Bd5 19.Qc3 f6 20.Bh5 gh5 21.gf6 Kf7 22.Rg1 Rg8 23.Rg7 Rg7 24.fg7 Kg8 25.Qc2?? Qb7?? 26.Nc3+– Bc6 27.Rc6 Ne5 28.Ne4 Nf3 29.Kd1 Qb5 30.Nf6 (30...Kf7 31.g8Q Rg8 32.Qh7 Rg7 33.Qh5 Rg6 34.Qd5 Kf8 35.Qd8 Kg7 36.Qg8 Kh6 37.Qh7 Kg5 38.Qh5#) 1–0. Fritz 6 – EXchess 3.11, 2003.

7.a4 Bg4 8.f3 ef3=+ 9.gf3 Bh5 10.a5+= Nbd7 11.a6+/– ba6 12.Nc6 Qc8 13.Ra6 Qb7 14.Rg1+/– Bg6 15.Na5 Qc8 16.Bh3+– Qb8 17.Nc3 c5 18.f4 Qc7?? 19.Rg5 d4 20.Nd5 Nd5 21.Rd5 Nb8 22.Re5 Be7 23.Rc6! Nc6 24.Nc6 0–0 25.Ne7 Kh8 26.Bg2 Rab8 27.Bc6 de3 28.Re3 Qf4 29.Be5 Qh4 30.Bg3 Qg5 31.h4 Qf6 32.Bb8 Rb8 33.Ng6 hg6 34.Qg4 a6 35.Qg5 ab5 36.Qf6 gf6 37.Re8 Re8 38.Be8 b4 39.Bf7 Kg7 40.Bd5 f5 41.Ke2 Kf6 42.Kd3 Ke5 43.Kc4 Kf6 44.Kc5 Ke7 45.Kb4 Kf6 46.c4 Ke5 47.Bb7 1–0. Comet B50 – EXchess 3.11, 2003.

7.Nc3 Bc5 =+.

7.Be2 Na4 8.Ba3 Ba3 9.Na3 Qe7 10.Nb1 Bd7 11.0–0 0–0–0 12.Qc1 Bg4 13.f3= ef3 14.Bf3 Bf3 15.Rf3 Ne4 16.Qa3 Qa3 17.Na3 Nd6 18.Raf1 Rd7 19.Rg3 Rg8 20.Nb1 Ne4 21.Rh3 Ng5 22.Rh4+= Nc5 23.Nf3 Nce6 24.Ng5+= Ng5 25.Rf5 h6= 26.Nc3 Rgd8 27.Rd4 c6 28.Kf2 cb5 29.Ke2 b4 30.Rb4 Kc7 31.Nb5+= Kb8 32.Nd4 Ka8 33.a4 g6 34.Rf1 Ne4 35.Rb5 f6 36.a5 h5 37.Kd3 h4 38.Nf3 g5 39.Nd4 g4 40.h3 g3? 41.Rf4+– a6 42.Rb6 Rh7 43.Ke2 Rc8 44.d3 Nc3 45.Kd2 Rcc7 46.Nf5 Nb5 47.Nh4 Na3 48.c3 Rc6? 49.Nf5 Rhc7? 50.Ng3?? Rc3+/– 51.Ke2 Rc2 52.Kf3 R7c3? 53.Rff6+– Nb5 54.Nf5 Rd3 55.Rf8 Ka7 56.Rf7 Rc7 57.Rc7 Nc7 58.Nd6 Rc3 59.g4 d4 60.Rb7 Ka8 61.h4 Nb5 62.Rb6 Re3 63.Kf4 Nc7 64.Kf5 d3 65.Ne4 Rf3 66.Ke5 Ka7 67.h5 Na8 68.Rb2 Rh3 69.Nd6 Nc7 70.Rb7 Ka8 71.Rc7 d2 72.Rd7 d1Q 73.Rd8 Ka7 74.Nb5!! ab5 75.Rd1 b4 76.Rd6 Re3 77.Kf6 b3 78.Rb6 Rf3 79.Kg6 Rg3 80.g5 Rg1 81.Rb3 Ka6 82.h6 1–0. Fritz 5.32 – EXchess 3.11, 2003.

3.Bb2 e4

4.a4 Nf6 5.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5 5.a4).

4.c4 dc4 5.Qc2 a6 6.Qc4= Nf6 7.b6 cb6 8.Bf6= gf6 9.Qe4 Be6 10.e3 (10.Qb7?? Bd5 11.Qa8 Ba8–+) 10...f5 (10...Nc6 11.Nf3=) 11.Qc2 (11.Qb7?? Bd5 12.Qa8 Ba8–+) 11...Bg7 12.Nc3 b5 13.d4 Nc6 (13...f4 14.Nge2 fe3 15.fe3=) 14.Qd2 Rc8 15.Rc1 Bf8 (15...Qa5!?=) 16.d5 b4 17.de6 (better is 17.dc6!? Qd2 18.Kd2 bc3 19.Rc3 Rc6 20.Rc6 bc6 21.Ba6=) 17...Qd2+= 18.Kd2 bc3 19.Kc3 fe6 20.Kb2 Bg7 21.Kb1 (21.Ka3 Rg8+=) 21...Ke7–/+ 22.Nf3 b5 23.Be2 Nb4 (23...Rhd8 24.Rc5+=) 24.Nd4 Nd5 25.Rhe1 Nc3 26.Kb2 Ne2 27.Re2 Bd4 ½–½. Wiese,Uwe (2345) – Tauscher,David (2425), RSX7E – A00 – Sokolsky–2, 2009.

4.c4 d4 5.e3 c5 6.bc6 Nc6 7.ed4 Nd4 8.Ne2 Bg4?? (8...Bc5 9.Nd4 Bd4 10.Bd4 Qd4 11.Na3+=) 9.Qa4?? (9.Bd4 Be2 10.Qa4 Ke7 11.Qa3 Ke8+/–) 9...b5?? (better is 9...Bd7 10.Qd1 Ne6+=) 10.cb5+/– Bb4?? 11.Nd4+– Qd6 12.b6 Bd7 13.Bb5 Ne7 14.Bd7 Qd7 15.Qb4 ab6 16.Nc3 0–0 17.0–0 Ng6 18.Ne4 Rfe8 19.Rfe1 Nf4 20.Nf3 Nd3 21.Nf6! gf6 22.Re8 Re8 23.Qb6 f5 24.Qf6 Nb2 25.Qb2 Rc8 26.h3 1–0. Fournier,Frederic – Chalvet,Philippe, Partie Libre (Active), 1994.

4.d3 Bb4 5.Nd2 Nf6 6.a3 Ba5 7.e3 a6 8.a4 0–0 9.Ne2 Bg4 10.h3 Bh5 11.g4 Bg6 12.Nf4 ab5 13.ab5 c6 14.Bc3 ed3 15.Bd3 Nbd7 16.Ra5 Ra5 17.g5 Ne4 18.Ba5 Qa5 19.Ng6 fg6 20.Be4 de4 21.0–0 Nc5 22.bc6 bc6 23.Qe2 Qd8 24.Qc4 Qd5 25.Rb1 Rf5 26.h4 Kf8 27.Rb8 Ke7 28.Qd4 Ne6 29.Qa7 Kd6 30.Re8 Rg5 31.hg5 Qg5 32.Kf1 Qg4 33.Qe7 Kd5 34.Rd8 Ke5 35.Nc4 Kf5 36.Rf8 Nf8 37.Nd6 1–0. Crafty 19.01 – Doctor 3.0, 2003.

4.d3 f5 5.de4= fe4 6.e3 Nf6 7.c4 Be6 8.cd5 Bb4 9.Nc3 Bd5 10.Nh3 Nbd7 11.Be2 Ne5 12.0–0 Bc3 13.Bc3+= Qe7 14.Qd4 Ng6+= 15.Bh5 Bf7 16.Bg6+/– Bg6 17.Bb4 Qd7? 18.Qe5+– Kf7 19.Rfd1 Qe8 20.Qc7 Kg8 21.Qb7 h6 22.a4 (22...Kh7 23.Rac1+–; 22.Be7 Rb8 23.Qa7 Qb5+–) 1–0. Tidemalm,Gustav – Oskarsson,Torsten, corr SSKK, 1985.

4.d3 Bf5 5.Nd2 Bd6?? 6.Bg7+– f6 7.Bh8 Nd7 8.e3 Qe7 9.de4 de4 10.Bc4 0–0–0 11.Ne2 Nh6 12.Nd4 Rh8 13.Qh5 Qg7 14.Nf5 Nf5 15.Qf5 Qg2 16.0–0–0 Rd8 17.Rdg1 (17...Qg5 18.Rg5 fg5 19.Qh7 Ba3 20.Kb1+–) 1–0. Fredek (2090) – Guest916886, Freundschaftspartie, 5m + 0s, 2005.

4.d4 Nf6 5.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5 5.d4).

4.Bd4 c5 5.Bb2 –/+.

4.Bd4 Nf6 5.c3 g6 6.Qa4 Bd7 7.c4 b6 8.Na3 Bg7 9.Be3 c6 10.Bg5 h6–/+ 11.Bf4 Ng4?? 12.h3?? Ba1 13.hg4 g5 14.Bd6? Qf6 15.Bb8 Rb8 16.Qa7 Ke7 17.bc6? Qc6 18.cd5 Qc1# 0–1. Jolilein – TheBoss@, mySchach.de, 2005.

4.Be5 Nd7 5.Bd4 –/+.

4.Be5 Nh6 5.e3 f6 6.Bf4 Bd7?? 7.h3?? a6?? 8.Nc3 c6? 9.Qb1?? cb5?? 10.Nd5+/– Nc6? 11.Nc7+– Qc7 12.Bc7 g5 13.Qb3 Rc8 14.Bb6 Ng8 15.Ne2 f5 16.Nd4 Nd4 17.Bd4 b4 18.Bh8 b5 19.Qd5 Rb8 20.Qe5 Ne7 21.Qb8 Kf7 22.c4 Bh6 23.cb5 ab5 24.Qd6 Bc8 25.Qf6 Ke8 26.Qh6 g4 27.Bb5 Kd8 28.Qd6 Bd7 29.Qd7# 1–0. manofsteel5 – Smithscskater, Live Game Caissa's Web, 2005.

4.f3 Nf6 5.g3 Bf5 6.Bg2 c6 7.fe4 de4 (7...cb5?? 8.ef5 Bc5 9.e3+–; 7...Be4?! 8.Nf3+=; 7...Ne4?! 8.Nf3+=) 8.c4 Bc5 9.Bf6 (9.Nh3 a6–/+) 9...Qf6 (9...gf6?! 10.e3 cb5 11.cb5=) 10.Nc3 e3 11.Rc1 (11.Nf3 0–0 12.a3–/+) 11...Bc2 12.Qc2 (12.Rc2 Qf2 mate Mate attack; 12.Qc2 Qf2 Double attack) 12...Qf2 13.Kd1 Qg2 14.Qe4 Qe4 15.Ne4 ed2 16.Kd2 Bb4 (16...Nd7 17.bc6 bc6 18.Kc2+=) 17.Kc2 cb5 (17...f5 18.Ng5 Ke7 19.N1f3+=) 18.cb5 (18.Kb3 Be7 19.cb5 Nd7=) 18...a5 (18...Ba3 19.Rd1=) 19.Kb3 Nd7 20.Nf3 0–0 (better is 20...Rd8=) 21.a3 (21.Rhd1 Rae8=) 21...Be7?? (better is 21...Rfe8 22.Rc7 Re4 23.ab4 Rb4 24.Ka2 Nb6 25.Rb7 Rb5+=) 22.Rc7+/– a4 (22...f5 23.Rd1 (worse is 23.Rb7 Rad8 24.Rd7 Rd7–/+) 23...a4 24.Ka2+/–) 23.Kb2 Bf6 24.Ka2 Rfe8+= 25.Nfd2 Red8 26.Rb7 Rac8 27.b6 Rc2 28.Kb1= Rb2 29.Kc1 Ra2 30.Rd1 Ra3?? 31.Nb1+– Rb3 32.Nf6 gf6 33.Rbd7 Rd7 34.Rd7 Rb6 35.Ra7 Rb4 36.Nc3 Rc4 37.Kd2 Kg7 38.Ra4 Ra4 39.Na4 Kg6 40.Ke3 Kg5 41.Kf3 f5 42.Nc5 f6 43.Ne6 Kg6 44.Kf4 1–0. marinscrofan – trinkopeydo, gameknot.com, 2008.

4.d3 Nf6

5.Nd2 ed3 6.ed3 Bd6 7.Ngf3 0–0 8.Be2 a6 9.a4 Bd7 (9...Re8 10.0–0+=) 10.c4 Be6 (10...Re8 11.0–0=) 11.0–0= Nbd7 (11...Re8 12.Re1=) 12.Nd4 (12.Re1 ab5 13.ab5 Ra1 14.Qa1 c6=) 12...Qe7 (12...c5 13.Ne6 fe6 14.Bg4=) 13.Re1 ab5 (13...Rfe8 14.Bf3 Ne5 15.Ne6 Nd3 A) worse is 16.Bd5 A1) 16...Nb2?! 17.Qc2 Nd5 18.cd5= (worse is 18.Qb2 Nf6–/+); A2) 16...Nd5 17.cd5 fe6 (17...Nb2?! 18.Qc2=) 18.Re6 Bh2 19.Kh2 Qh4 20.Kg1 Qf2 (20...Nb2? 21.Qb3+–) 21.Kh1 Nb2–+; B) 16.Ng7 Bh2 17.Kh1 Qe1 18.Qe1 Re1 19.Re1 Nb2 20.Nh5 Nh5 21.Kh2=) 14.ab5 dc4 (14...Ra1 15.Qa1 Bb4 16.Bc3=) 15.dc4+= Nc5 16.Ra8 (16.N2f3 Bd7=) 16...Ra8= 17.Ne6 Qe6 18.Bf3 Qf5 19.Bf6 (19.Nf1 Qf4+=) 19...Qf6 20.Ne4 Ne4 21.Be4 (21.Re4?? Ra1 22.Re8 Bf8–+) 21...Bc5 22.Rf1 (22.Bb7 Bf2 23.Kf1 Be1 24.Ke1 Re8 25.Kd2 Qd4 26.Kc1 Qc4 27.Kb1 Qb5 28.Kc1 Qb7–+) 22...Qb6 (22...h6 23.Bb7 Ra2 24.Qe1+=) 23.Qf3 Ra2 24.Bd5 Qg6 (24...Bf2 25.Kh1 Qf6 26.Qf6 gf6 27.Bb7+=) 25.Qh3 (25.h4 h5+=) 25...Ra8 (25...Bf2 26.Kh1 Ra8 27.Qf3+/–) 26.Qd7+/– 1–0. Rosner,Dirk – Avy, email SOK–99–E007A, 1999.

5.Nd2 Be6 6.e3 +=.

5.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5 5.d3).

5.de4 Ne4

6.Nc3?? Bb4 7.Qd4 Qf6 8.Qf6 gf6 –+ (8...Nf6?! 9.e3=+).

6.Nc3?? Nf2 7.Kf2+– Bc5 8.Ke1?? d4?? 9.Na4+– Bb4 10.c3 dc3 11.Qd8 Kd8 12.Rd1 Bd7 13.Bc3 Bc3 14.Nc3 Re8 15.g3 Re3 16.Bg2 c6 17.Na4 Ke7 18.Nc5 a6 19.Nd7 Nd7 20.bc6 bc6 21.Bc6 Ne5 22.Ba8 f6 23.Nh3 g5 24.Nf2 Nf3 25.Bf3 (25...f5 26.g4 fg4 27.Bg4+–) 1–0. PawnPower – ogidodo, internet, 2007.

6.Nd2 Bb4–/+ 7.c3 Bc3 8.Bc3 Nc3 9.Qb3 Ne4 10.Rd1 Qe7 11.Qd5 Nc3 12.Qb3? Nd1–+ 13.Qd1 Be6 14.a4 Nd7 15.g3 Nc5 16.a5?? Rd8 17.Qb1 Nb3 18.Ngf3 Nd2 19.Nd2 Qd6 20.Qc2 0–0 21.Bg2 Qb4 22.Be4 Bb3! 23.Qc1?? Rd4 24.Bd3 Rd3! 25.ed3 Re8 26.Kf1 Bd5 27.Rg1 Qb5 28.Nc4 Bf3 29.Qd2 Qb1 (30.Qc1 Qc1) 0–1. PawnPower – eu240 (1745), internet, 2006.

6.Nf3 =+.

4.e3

4.e3 (--> 1.b4 e5 2.Bb2 e4 3.e3 d5 4.b5).

4.e3 Nf6 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5).

3.Bb2 Qf6

4.e3 Bb4 5.c3 Bc5 6.d4 ed4 7.cd4 Bb4 8.Nc3 a6 9.a3 (9.Qa4 Bc3 10.Bc3 Ne7=) 9...Bc3 10.Bc3 ab5 11.Bb5 c6 12.Bd3 Ne7 13.h3 (13.Nf3 Bf5=) 13...Qg5 (13...Bf5 14.Nf3=) 14.g3 (14.Nf3 Qf6+= (14...Qg2?? 15.Rh2 Qh2 16.Nh2+–)) 14...Nf5 (14...Bf5 15.Be2=) 15.Nf3 Qf6 16.Bb4 Ne7 17.Ne5 Bf5 (17...Ng6!?=) 18.Be7+/– Ke7 19.Bf5 (19.Qb1 Bc8+/–) 19...Qf5+= 20.Qb3 Ra7? (better is 20...b5+=) 21.Qb6+– Qe4? (21...Ra4 22.Qb7 Nd7+–) 22.0–0 (better is 22.Kd2 Qf5 23.Qa7 Qf2 24.Kd3 Qf5 25.Kc3+–) 22...Ra4 23.Qb7 Kd6 24.Nf7 Ke6 25.Ng5 Kf5 26.Ne4 Ke4 27.Qg7 Rd8 28.Qh7 Kf3 29.Qf5 Ke2 30.Ra2# 1–0. Feiertag,Manfred (1770) – Grosse,Reinhold (1745), RSS7E schnell–42, 2008.

4.e3 Bd6 5.c4 Be6 6.cd5 Bd5 7.Nc3 c6 8.Nf3 Bf3 9.gf3 Qg6 10.Ne4 Be7 11.Be5+/– Nf6 12.Nd6 Bd6 13.Bd6 Nbd7 14.bc6+– bc6 15.Qa4 Rc8 16.Ba6 Nb6 17.Qd4 Rd8?? 18.Qe5 (18...Kd7 19.Qe7) 1–0. pierred – minto, internet, 2009.

4.e3 Bd7 5.f4 Qh4 6.g3 Qe7 7.Be5 Bf5 8.Nc3 Qa3?? (Better is 8...c6+/–) 9.Nd5+– Kd8 10.Nc7 Qa4 11.Na8 h5 12.Bb8 Bc2 13.Qe2 Qe4 14.Bg2 Qe6 15.Ba7 (15...Be4 16.Bb6 Kd7 17.Nf3+–) 1–0. Trkn – guest7439, ICC, 2004.

4.e3 Qe6 5.Nf3 e4 6.Nd4 Qg6 7.a3 Nf6 8.d3 Be7 9.Nd2 =.

4.e3 Be6 5.f4 Nd7 6.Nf3 Bd6 7.Be2 Ne7 8.0–0 Nf5 9.a3 =.

4.e3 Be7 5.d4 e4 6.c4 dc4 7.Qc2 Qg6 8.Ne2 a6 9.Nf4 =.

4.e3 Nh6 5.c4 d4 6.Nf3 Bc5 7.Bd3 0–0 8.Qc2 Nf5 9.0–0 =.

4.e3 Nd7

5.Nc3 A) 5...Ne7 6.Nf3 Nb6 7.a4 a5 8.ba6 ba6 9.a5=; B) 5...Qd6 6.Be2 Be7 7.Nf3 Ngf6 8.a4 c5 9.bc6=; C) 5...Nb6 6.a4 Qe6 7.a5 Nd7 8.Nf3 Ngf6 9.Be2=; D) 5...Qe6 6.Nf3 Ngf6 7.Be2 Bd6 8.0–0 0–0 9.Ng5=+.

5.c4 A) 5...d4 6.ed4 ed4 7.Qe2 Kd8 8.Nf3 Bc5 9.Qe4=; B) 5...Ne7 6.d4 Qe6 7.Nd2 e4 8.Ne2 Nf6 9.Nf4=; C) 5...Qd6 6.cd5 Ngf6 7.d4 Qd5 8.Nd2 Bb4 9.Qc2=; D) 5...c6 6.cd5 cd5 7.f4 Bd6 8.Nf3 Qe7 9.Be2=; E) 5...dc4 6.Nf3 a6 7.Bc4 ab5 8.Bb5 c6 9.Bc4=.

5.d4 e4 6.c4 dc4 7.Nd2 Qg6 8.Ne2 Ngf6 9.Qc2 =.

5.Nf3 A) 5...Bc5 6.c4 d4 7.ed4 ed4 8.Qe2 Ne7 9.Qe4=; B) 5...Bd6 6.c4 dc4 7.Bc4 Qg6 8.d3 Ngf6 9.0–0=; C) 5...Ne7 6.c4 a6 7.Nc3 dc4 8.Bc4 e4 9.Nd4=; D) 5...Bb4 6.c4 Ne7 7.cd5 Nd5 8.Qc2 Qd6 9.Nc3=; E) 5...a6 6.c4 dc4 7.Bc4 ab5 8.Bb5 c6 9.Bc4=.

4.e3 Ne7

5.d4 e4 6.c4 Qg6 7.Nd2 a6 8.Qb3 dc4 9.Qc4 =.

5.d4 e4 6.Nd2 Bf5 7.c4 Nd7 8.Ne2 a6 9.ba6 =.

5.f4 Nd7 6.Nc3 Qd6 7.fe5 Ne5 8.Nf3 Bg4 9.Be2 =.

5.f4 Nd7 6.Nf3 Ng6 7.Be2 Qd6 8.fe5 Nde5 9.0–0 =.

5.f4 Ng6 6.Nf3 Nd7 7.Be2 Qd6 8.fe5 Nde5 9.0–0 =.

4.e3 Bf5

5.Nc3 A) 5...Qe6 6.Nf3 Bd6 7.Be2 Nf6 8.Nh4 0–0 9.Nf5=; B) 5...Qd6 6.Be2 Nf6 7.Nf3 Nbd7 8.a4 0–0–0 9.a5=; C) 5...Be6 6.Nf3 Ne7 7.Rb1 Ng6 8.h4 Nd7 9.h5=; D) 5...Ne7 6.Qe2 Qd6 7.e4 de4 8.g4 Bg6 9.Bg2=.

5.c4 d4 6.Qf3 c6 7.ed4 ed4 8.Ne2 Qg6 9.Nd4 +=.

5.Bd3 A) 5...Bd6 6.f4 Bd3 7.cd3 Nd7 8.Nf3 Nc5 9.0–0+=; B) 5...Nd7 6.Qe2 Nc5 7.Bf5 Qf5 8.d4 ed4 9.Bd4=+; C) 5...Bd3 6.cd3 Nd7 7.Nf3 Bd6 8.0–0 Ne7 9.Nc3=+.

5.d4 ed4 6.Bd4 Qg6 7.Nc3 Bc2 8.Qd2 Bb4 9.Nge2 +=.

5.Nf3 Nd7 6.c4 c6 7.Nc3 d4 8.ed4 ed4 9.Qe2 =.

5.f4 A) 5...Bd6 6.Be5 Be5 7.fe5 Qe5 8.Nc3 Be4 9.Nf3=; B) 5...Nd7 6.Nf3 Bd6 7.Be2 0–0–0 8.0–0 Nh6 9.c4=.

3.Nc3 d4

4.Na4 A) 4...Be6 5.Nb2 e4 6.e3 de3 7.de3 Qd1 8.Nd1 Bb4=+; B) 4...Nf6 5.c3 a6 6.ba6 Ra6 7.Nb2 dc3 8.dc3 Qd1–/+; C) 4...Be7 5.c3 c6 6.Rb1 Qa5 7.e4 de3 8.de3 Nf6=+; D) 4...Bd7 5.e4 Nf6 6.Nb2 Ne4 7.Qe2 f5 8.f3 Nd6–/+; E) 4...a6 5.ba6 Na6 6.c3 Nc5 7.Nc5 Bc5 8.Qc2 Nf6–/+.

4.Nb1 e4 5.c3 Nf6 6.cd4 Qd4 7.Nc3 Bf5 8.Bb2 Qb4 =+.

4.Nb1 Be6 5.Bb2 Nf6 6.Nf3 Bd6 7.e3 c5 8.Ng5 Bf5 =+.

4.Nb1 Nf6 5.Bb2 e4 6.e3 de3 7.de3 Qd1 8.Kd1 Be7 =+.

4.Nb1 Bg4 5.c3 Nf6 6.h3 Bh5 7.g4 Qd5 8.Nf3 Bg6 =+.

4.Ne4 Qd5 5.f3 Qb5 6.e3 Qb6 7.ed4 ed4 8.c3 Nf6 9.Qc2 dc3 10.dc3 Ne4 11.Qe4 Be7 12.Bc4 Nd7 13.Ne2 Nc5 14.Qc2 Be6 15.Be6 Qe6 16.0–0 0–0–0 17.Nd4 Qc4 18.Be3 Rhe8 19.Nb3 (19.Qh7 Bf6 20.Qf5 Nd7–/+) 19...Qd3 20.Qd3 Nd3 (worse is 20...Rd3 21.Bc5 Bc5 22.Nc5 Rc3 23.Ne4+/–) 21.Rfd1 Bf6 22.Bd4 Bd4 23.Nd4 Nf4 (23...Nb2 24.Rd2 Nc4 25.Rdd1–+) 24.a4 Re5 25.Rab1 (25.Re1 Re1 26.Re1 Nd5–/+) 25...Ra5 26.Ra1 Rc5 (26...Rad5 27.Re1–+) 27.g3 Nd5 28.Nf5 g6 (28...Rc3?! 29.Rd5 Rd5 30.Ne7 Kd7 31.Nd5 Rf3 32.Nf4=) 29.c4 (29.Rd5 Rdd5 30.Ne7 Kd7 31.Nd5 Rd5–+) 29...gf5 30.cd5 Rcd5 31.Rdc1 (31.Re1 c6–+) 31...R8d6 (31...f4 32.Ra2–+) 32.Rc4 b6 33.Rf4 Kd7 34.g4 Ke7 35.gf5 Rf6 36.Re1 Kd7 37.Rh4 h6 38.Kf2 Rdf5 39.Rd4 Rd6 40.Rd6 Kd6 41.Re8 a5 42.Kg3 Rf6 43.f4 Kd5 44.Rd8 Kc4 0–1. nuclearowl (2035) – tilly (2355), gameknot.com, 2010. (=1.Nc3 d5 2.b4 e5+= 3.b5)

4.Nb1 a6

5.ba6 Na6 6.Bb2 Bf5 7.c3 Ne7 8.cd4 ed4 –/+.

5.e3 de3 6.fe3 ab5 7.Bb5 c6 8.Bd3? Qh4 9.Kf1?? e4–+ 10.Nf3 ef3 11.Qf3 Bg4 12.Qe4 Be7 13.Nc3 Nf6 14.Qe5 Nbd7 15.Qc7 Nc5 16.Bc4 Nfd7 17.d4 0–0 18.dc5 Qf6 19.Qf4 Qc3 20.Qd4 Bf6 21.Qg4 Qa1 22.Qd1 Nc5 23.h4 Ne4 24.Kg1 Bb2 25.Kh2 Nf2 26.Bb2 Qd1 27.Rd1 Nd1 28.Bd4 Rfe8 29.Kg1 b5 30.Be2 Ne3 31.Be3 Re3 32.Bf3 Rc3 33.h5 Rc2 34.g4 Raa2 35.Be4 Rc1# (35...Ra1#) 0–1. COMP – COMP, 2000.

5.e3 de3 6.fe3 Nf6 7.Bb2 Bd6 8.Nc3 e4 –/+.

5.e4 Nf6 6.ba6 Na6 7.Bc4 Ne4 8.Nf3 Nac5 –/+.

3.Nc3 Nf6

4.Na4 a6 5.ba6 Na6 6.Nf3 –/+.

4.Na4 Bd7 5.e3 a6 6.Nc5?? Bb5 7.Nf3?? e4 8.a4 Bf1 9.Rf1 Bc5 10.d4 Bb4 11.Bd2 Nc6 12.Ne5 a5 13.Rb1 Qd6 14.c3 Ne5 15.cb4 Nd3 16.Ke2 ab4 17.Rb3 Qa6 18.Rd3 Qd3 19.Ke1 b3 20.Bc1 Ra4 21.Qd3 ed3 22.Kd2 Ra2 23.Kd3 Ra1 24.f4 b2! 25.Bb2 Rf1 26.e4 de4 27.Ke3 0–0 28.d5 Nd5 29.Ke4 c6 30.g4 Rf4 31.Ke5 Re8 32.Kd6 Re6 33.Kc5 Rb4 34.Ba3 b6# 0–1. Jolilein – Pocket, mySchach.de, 2005.

4.Bb2 A) 4...Bd6 5.e3 0–0 6.Nf3 e4 7.Nd4 Be5 8.Be2 a6=+; B) 4...d4 5.Nb1 Bc5 6.e3 de3 7.de3 Qd1 8.Kd1 Ne4–/+; C) 4...Bg4 5.h3 Bd7 6.e3 Bd6 7.Nf3 0–0 8.Be2 a6=+; D) 4...Bc5 5.Nf3 e4 6.Na4 Bd6 7.Nd4 Ng4 8.g3 Qf6–/+; E) 4...c5 5.a3 d4 6.Na2 Bd6 7.e3 Be6 8.Nf3 0–0–/+.

4.e3 b6 5.Nf3=+ Bg4 6.Be2 e4 7.Ne5 Be2 8.Qe2 Bd6 9.d4 Bb4 10.Bb2 Bc3 11.Bc3 a5 12.0–0 Nbd7 13.Nc6 (13...Qc8 14.Bb2+=). eros129in – csoni72, internet, 2007.

4.e3 c5 5.bc6 Nc6 6.Nf3 Bb4 7.Bb2 e4 8.Ng1 0–0 =+.

4.e3 Bc5 5.Nf3 Bd6 6.Bb2 c5 7.bc6 Nc6 8.Nb5 Bb8 =+.

4.e3 Bg4 5.Be2 Be2 6.Qe2 Nbd7 7.Nf3 Bd6 8.0–0 0–0 =+.

4.e4 de4 5.Bc4 Ng4 6.Ne4? Qd4–+ 7.Qe2 Qa1 8.Kd1 Ba3 9.Bf7 Kf7 10.Qc4 Kg6 11.Ne2 Rf8 12.Qc7 Nf2 13.Nf2 Rf2 14.Re1 Bg4 15.Qd8 Qc1 0–1. manofsteel2 – PLB43, Live Game Caissa's Web, 2005.

4.e3 d4

5.ed4 ed4 6.Nb1 Bc5 7.Nf3 0–0 8.Be2 a6 –/+.

5.ed4 ed4 6.Qe2 Be7 –/+.

4.e3 Bd6

5.Bb2=+ 0–0 6.Nf3 Re8 7.Be2 e4 8.Nd4 Be5 =+.

5.Be2 0–0 6.Nf3 Bg4 7.0–0 Bf3 8.Bf3 c6 9.Rb1 Nbd7 10.bc6 bc6 11.d4 (11.d3!?=+) 11...e4 12.Bg4 Qc7 13.g3 Ng4 14.Qg4 Nf6 15.Qh3 Rfb8 16.Bd2 Rb1 17.Rb1 Rb8 18.Rb8 (18.Rb3 a5–/+) 18...Qb8 19.Na4 h6 20.Ba5? Nh7 21.Nc5? Bc5 22.dc5 Ng5 23.Qd7–/+ Nf3 24.Kg2 Qa8 (25.Qc7 a6–/+; 24...Ne5 25.Qe7 Nc4 26.Bc3–/+) 0–1. beyonze1 – GoneGator, Live Game Caissa's Web, 2004.

3.d4 ed4

4.Ba3 Ba3 5.Na3 c5 6.Nf3?? Qa5 7.Nd2 Qa3 8.Qc1 Qc3 9.Rb1 Bf5 10.Rb3 Qc2 11.Qc2 Bc2 12.Rb2 Bf5 13.h3 h5 14.e3 de3 15.fe3 Nd7 16.a4 Ngf6 17.a5 c4 18.Ra2 Ne5 19.Be2 Nd3 20.Bd3 Bd3 21.a6 b6 22.Nf3 c3 23.Nd4 Rc8 24.Nc2 Ne4 25.Rg1 Rc5 26.g4 Rb5 27.Ra1 Bc2 28.Ke2 Rb2 29.g5 Bb1 30.Kf3 Rf2# 0–1. MH – KP (2170), remoteschach.de, 2005.

4.Qd4 Be7 5.Bf4 Bf6 6.Be5 Bf5 7.Nf3 Nd7 8.Bf6 Ngf6 =+.

4.Qd4 Bf5 5.Bf4 c5 6.Qb2 Qa5 7.Bd2 Qb6 8.e3 Nd7 =+.

4.Nf3 Bb4 5.Bd2 Bc5 6.Bf4 Bg4 7.Be5 Bb4 8.Nfd2 Nf6 =+.

4.Nf3 Nf6 5.Qd4 Bf5 6.c4 dc4 7.Qc4 Bd6 8.Nd4 Bg6 =+.

4.Qd4 c5

5.Qa4 Nd7 6.Bb2 Ngf6 7.e3 Bd6 8.c4 Nb6–/+ 9.Qb3 Be6 10.Nd2 0–0 11.Ngf3 Re8 12.a4 d4 13.Be2 de3 14.fe3 Qe7 15.0–0 Rad8 16.Rac1 Bc7 17.Rfe1 a6 18.a5 Nbd7 19.b6 Be5 20.Ba3 Bb8 21.Rcd1 Bg4 22.Bf1 Ne5 23.Be2 Nc6–/+ 24.Qc3 Bf5 25.Bf1 Be4 26.Bb2= Ne5 27.Ne5+/– Be5 28.Qe5+– Qe5 29.Be5 Rd2 30.Rd2 Re5 31.Rd8 Ne8 32.Red1 f6 33.Kf2 Kf7 34.Bd3 Bd3 35.R1d3 Rf5 36.Kg3 Rg5 37.Kf3 Rf5 38.Ke2 Rg5 39.R3d7 Kf8 40.g3 Rh5 41.h4 g5 42.hg5 fg5 43.Rb7 Rh2 44.Kd3 Rh1 45.Ra8 Rd1 46.Ke4 Rd6 47.Ra6 Re6 48.Kf3 h5 49.Ra8 Rf6 50.Kg2 Rd6 51.Rbb8 Kf7 52.Re8 Rd2 53.Kf3 Rb2 54.Re5 Kf6 55.Rc5 h4 56.g4 h3 57.Ra7 Rb6 58.ab6 h2 59.Rc6 Ke5 60.Re7# (60.Ra5#) 1–0. NN – SuperForte 5 Mhz, 1989.

5.Qa4 Nd7 6.Bb2 Ngf6 7.e3 Bd6 8.c4 Nb6 9.Qb3 Be6 10.Nd2=+ 0–0 11.Ngf3 Re8 12.a4 d4 13.Be2 de3 14.fe3 Qe7 15.0–0 Rad8 16.Rac1 Bc7 17.Rfe1 a6 18.a5 Nbd7 19.b6 Be5 20.Ne5 Ne5 21.Nf1 Bd7 22.Rcd1= Bc6 23.Ng3 Qe6 24.Qc3 Rd7 25.Bd3 Nd3=+ 26.Rd3 Red8 27.Red1 Rd3 28.Rd3 Re8 29.Ne2 Qg4 30.Nf4 Ne4 31.Qc2 Qh4 32.Qe2 h6 33.Nd5 Bd7 34.Nc7 Rd8 35.g3 Qg5 36.Rd5 Qg6 37.Qf3 f5 38.Re5 Qg5 39.Nd5 Nd2 40.Qe2 Ne4 41.Re7 Ng3? 42.hg3 Qg3 43.Kf1 Qh4 44.Rg7 Kf8 45.Bf6 Qh1 46.Rg1 Qh3 47.Ke1 Re8 48.Kd2 Re4 49.Nf4 Re3 50.Qe3 Qe3 51.Ke3 Ke8 52.Rg7 h5 53.Nd5 f4 54.Kf4 Bg4 55.Rh7 Bd1 56.Nc7 Kf8 57.Ne6 Kg8 58.Rg7 Kh8 59.Rg6 Kh7 60.Nf8# 1–0. NN – SuperForte 5 Mhz, 1989.

5.bc6 Nc6 6.Qe3 Be7 7.Bb2 d4 8.Qd3 Nh6 (8...Qb6 9.Qb3 Bb4 10.c3–/+) 9.e3 Bf5 10.e4 Be6 (10...Nb4 11.Qe2 Rc8 12.ef5 Nc2 13.Kd1=) 11.a3 0–0 12.Nf3 The pressure on the isolated pawn grows 12...Bc5 13.Be2 f5 14.ef5 Nf5 15.0–0 1–0. Feiertag,Manfred (1770) – Yalcin,Alparslan (2000), remoteschach.de, 2008.

5.Qd2 Nf6 6.e3 (6.c4!?–/+) 6...Ne4 7.Qd1?? (Better is 7.Qe2–/+) 7...Qf6–+ 8.c3 (8.f3 Qa1 9.fe4 Qb1 10.ed5–+) 8...Qf2 0–1. Neffgen,Dieter – Fichtner,Bernd, remoteschach.de, 2003.

4.Qd4 Nf6

5.Nc3 c5–/+ 6.Qd3 Be7 (6...d4 7.Ne4 Bf5 8.Nf6 Qf6 9.e4–/+) 7.Nf3 0–0 8.a4 (8.Rb1!?+=) 8...a6–/+ 9.Bb2 (9.Ne5 Nbd7 10.Nd7 Qd7 11.ba6 d4–+) 9...d4 10.Nd1 (better is 10.Ne4!?–+) 10...ab5 11.Qb5 Bd7 12.Qb7?? (12.Qc4–+) 12...Nc6 13.Qb3 Rb8 14.Qd3 (14.Qa2 Nb4 15.Qb1 Bf5–+) 14...Nb4 15.Qd2 Bf5 16.Rc1 Ne4 (16...Ne4 17.Qf4 Bg6–+) 0–1. olsime (1950) – chuckhar (2305), gameknot.com, 2014.

5.Be3 c5 6.Qe5 Be6 7.Qb2 Bd6 8.g3 0–0 9.Nf3 Ne4 10.Nbd2 Qa5 11.h4 c4 12.Qd4 Bb4 13.0–0–0 Ba3 14.Kb1 Nc3 15.Ka1 Bc1 16.Ne4 Qa2 0–1. Golem01 – 31337–30, Computer chess game, 2001.

5.Nf3 c6 6.e3 c5 7.Qd1 Bg4 (7...Ne4 8.Bb2 Qa5 9.c3=+) 8.Be2 Nbd7 (8...Bd6 9.Bb2=) 9.0–0 Be7 10.c4 (10.Nc3 Nb6=) 10...dc4 11.Bc4 0–0 12.Nc3 Bf3 13.Qf3 Ne5 14.Qe2 Qc7 15.Bb2 Rad8 16.Na4 Bd6 17.Be5 Be5–/+ 18.Rad1 Bh2–+ 19.Kh1 Be5 20.Qf3 Qe7 21.Rd8 Rd8 22.b6 ab6 23.Nb6 Qd6 24.Qh3?? Qb6–+ 25.f4 Bc3 26.Rc1 Qb2 27.Rg1 Ne4 28.Bf7 Kf7 29.Qf5 Nf6 30.Qc5 Bb4 31.Qc7 Rd7 32.Qc4 Kf8 33.Qc8 Ke7 (34.Qc4 Rd5–+) 0–1. Turgenev – Michal, Live Game Caissa's Web, 2004.

5.Bf4 c5!? 6.Qb2 Qa5 7.Bd2 Qb6=+.

5.Bf4 Nbd7 6.e3 Nc5 7.Be5 Nfe4 8.Nc3 f6 =+.

5.Bf4 Bf5 6.Qe5= (6...Be6 7.Qc7 Qc7 8.Bc7=+) =. market (2295) – Starcraft (1605), GameColony.com, 2002.

5.Bg5 Nbd7=+.

5.Bg5 Be7 6.Nc3 0–0 7.Rd1 c6 8.Nf3 h6 9.Bh4 Bf5 10.Rc1 Nbd7 11.e3 Bc5 12.Qf4 Bg6 13.Bf6 Qf6 14.Qf6 Nf6 15.Na4? Bb4 16.c3 Ba5?? 17.Be2 Ne4?? 18.0–0?? Bh5 19.Nd4? Be2–+ 20.Ne2 cb5 21.Nb2 a6 22.Nd3 Rac8 23.Ndf4 Rfd8 24.f3? Nc3 25.a3?? Ne2 26.Ne2 Rc1 27.Rc1 Bd2 28.Rd1 Be3 29.Kh1 d4 30.Nc3 d3 31.g4 g6 32.Kg2 g5 33.Kf1 Bc5 34.a4 ba4 35.Na4 b6 36.Nb2 d2 37.Ke2 Bb4 38.Nc4 b5 39.Nd2 Rd2 40.Rd2 Bd2 41.Kd2 a5 42.Kc3 b4 43.Kb3 Kg7 44.h3 f5 45.Ka4 Kf6 46.gf5 Kf5 47.Kb3 Kf4 48.Ka4 Kf3 49.Kb3 Kg3 (50.h4 Kh4–+) 0–1. Ginger Prince – Alviss, ChessWorld.net, 2004.

3.d4 Bd6

4.Ba3 Ba3–+ 5.Na3 c5 6.dc5? (Better is 6.c3 ed4 7.Nb1 dc3 8.Nc3–+) 6...Qa5–+ (7.Qd2 Qa3–+) 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

3.d4 Bd6 4.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.d4 Bd6).

4.c3 ed4 5.cd4 Nf6 6.Bg5 h6 7.Bf6 Qf6 8.e3 Be6 =+.

4.c3 e4 5.a4 a6 6.ba6 Na6 7.Ba3 e3 8.Bd6 ef2–/+ 9.Kf2 Qd6 10.e3 Nf6 11.Be2 Ne4 12.Kf1 Qh6 13.Qe1 0–0 14.Bf3 Re8 15.Nd2 Nc3–+ 16.e4 de4 17.Be4 Nb4 18.Bh7 Kh7 19.Qe8 Be6 20.Qa8 Qd2 21.Re1 Nd3 22.Re2 Qc1 (23.Re1 Qe1#) 0–1. Kevin@home – marekt, ChessWorld.net, 2005.

4.c3 Ne7 5.de5 Be5 6.Nf3 Bf6 7.Bg5 Bg5 8.Ng5 Ng6 =+.

4.e3 ed4 5.Qd4 Nf6 6.Ba3 Ba3 7.Na3 c5 8.Qb2 0–0 =+.

4.Bb2 e4

5.Bc3 e3 –+.

5.Bc3 Nf6 6.a3? Ng4 7.h3?? Nf2! 8.Kf2 Qh4 9.Ke3 Qf4# 0–1. CYBORG – Caissa, Caissa's Web, 2004.

5.Bc3 Nf6 6.e3 0–0 –/+.

5.Bc3 Nf6 6.h3?? e3–+ 7.fe3 Ne4 8.Qd3 Bf5 9.Kd1 Nf2 10.Ke1 Bd3 (11.ed3 Nh1–+) 0–1. CYBORG – Caissa, Caissa's Web, 2004.

5.e3 c6 6.c4 dc4 7.Bc4 Nf6 8.Qa4 0–0 =+.

5.e3 Bf5 6.c4 c6 7.a4 Qa5 8.Bc3 Bb4 9.Qd2+= Bc3 10.Qc3 Qc3 11.Nc3+= Nf6 12.c5 Nbd7 13.bc6 bc6 14.Rb1 0–0 15.Ba6+/– Rab8 16.Rb7 1–0. slagveld (1655) – DrSub, internet, 2007.

4.de5 Be5

5.c3 Ne7 6.Nf3 Bf6 7.Bg5 Bg5 8.Ng5 0–0 =+.

5.c3 Nf6 6.Nf3 Bd6 7.Bg5 Be6 8.e3 0–0 9.Be2 a6 10.Nd4 ab5 11.Nb5 Be7 12.Bf4 c6 13.Nc7 Ra5 14.Ne6 fe6 15.Nd2 Nbd7 16.0–0 Qa8 17.Bg5 Ra2 18.Ra2 Qa2 19.e4 h6 (19...de4?! 20.Bc4 Qa5 21.Be6 Kh8 22.Ne4+=) 20.ed5 ed5 21.Bf6 Bf6 22.c4 Ne5 23.cd5 Qd5 24.Qc2 b5 25.Ne4 Be7 26.f4 Nd7 27.Bf3 Qd4 28.Kh1 Rf4 29.Qc6 Qc4 30.Nd2 Qc6 31.Bc6 Rf1 32.Nf1 Ne5 33.Bb5 Kf7 34.Ne3 Ke6 35.Kg1 ½–½. Tessieri,Franco – Sala,Stefano, IECG, 2004.

5.c3 Bg4 6.Nf3 Bf6 7.h3 Bf5 8.Nd4 Bg6 9.Bf4 Ne7 10.e3 a6 11.h4 ab5 12.Bb5 c6 13.Be2 c5 14.Nc2 0–0 15.h5 Be4 16.f3 Bf5 17.g4 Bc2 18.Qc2 Nec6 19.0–0 Nb4 20.Qd2 N8c6 21.a4 Re8 22.Ra3 Na6 23.Rd1 Nc7 24.h6 Ne6 25.Bh2 Qe7 26.hg7 Red8 27.Bb5 Bg7 28.Bc6 bc6 29.a5 Ra6 30.Bg3 c4 31.Qa2 Ng5 32.Kf2 Qf6 33.Qe2 Ne4 34.Kg2 Ng3 35.Kg3 Rda8 36.e4 Bf8 37.e5 Qe6 38.Ra4 Bc5 39.Kg2 Ra5 40.Ra5 Ra5 41.Rh1 f6 42.Rh6 Qe5 43.Qe5 fe5 44.Rc6 Be3 45.Rc7 Ra2 46.Kh3 Bf4 47.g5 Rb2 48.Na3 Rb3 49.Ra7 Rc3 50.Kg4 Rc1 51.Ra8 Kf7 52.Kf5 Rc3 53.Ra7 Kf8 54.Kf6 Bg5 55.Kg5 Rf3 56.Nb5 Rf7 57.Nc7 Kg8 58.Ra8 Rf8 59.Ra5 d4 60.Re5 Kf7?? 61.Rf5= Ke7 62.Nd5 Kd6 63.Rf8+= Kd5 64.Kf4 d3 65.Ke3+– Kc5 66.Rh8 h6 67.Rh6 Kb4 68.Kd2 Kb3 69.Rb6 Ka4 70.Kc3 Ka5 71.Rb8 Ka6 72.Rb4 Ka5 73.Kc4 d2 74.Rb5 (74...Ka4 75.Rd5 d1Q 76.Rd1 Ka5 77.Rd6 Ka4 78.Ra6) 1–0. Crafty 19.01 – Fritz 6, 2004.

3.d4 Nd7

4.Bb2 (--> 3.Bb2 Nd7 4.d4).

4.Nc3 Bb4 5.Bd2 Ngf6 6.Rb1 Ba5 7.e3 ed4 8.ed4 0–0 –/+.

4.Nc3 Ngf6 5.de5 Ne5 6.Qd4 Bd6 7.Bg5 c5 8.bc6 Nc6 –/+.

4.e3 e4 5.c4 Ngf6 6.Qb3 c5 7.cd5 Nb6 8.Nc3 cd4 =+.

4.e3 Ngf6 5.Bb2 Bb4 6.c3 Ba5 7.Qa4 b6 8.Nf3 e4 =+.

4.de5 Ne5 5.Qd4 Qf6 6.Bb2 Ng4 7.Nd2 Bf5 8.Ngf3 Be7 =.

4.Nf3 Bd6 5.e3 e4 6.Nfd2 Ngf6 7.c4 dc4 8.Nc3 Bb4 =+.

4.Nf3 e4 5.Nfd2 e3 6.fe3 Bb4 7.g3 Ngf6 8.c3 Bd6 =.

4.Nh3 Bd6 5.de5 Be5 6.c3 Nc5 7.Bf4 Bf6 8.a4 Bf5 9.Bd2 Qe7 10.e3 Bh3 11.gh3 Ne4 12.Bd3 0–0–0 13.Ra2 Nc5 14.Bf5 Ne6 15.Bc1 Nh6 16.Ba3 Qd7 17.Be6 Qe6 18.Rd2 Qh3 19.Qe2 Qg2 20.Qf1 Qe4 21.Rb2 Qa4 22.Bb4 Rhe8 23.Qe2 d4 24.cd4 Rd4!! 25.Bc3 Rc4 26.Qd3 Bc3 27.Nc3 Rc3! 28.Qc3 Qa1 29.Ke2 0–1. Crafty 19.01 – Fritz 6, 2004.

5.e3 e4 6.Nfd2 Ne7 7.c4 c6

8.Nc3 Qa5 9.Qb3 A) 9...Nb6 10.Ba3 Ng6 11.Bf8 Kf8 12.cd5 cd5 13.Nd5+/–; B) 9...f5 10.cd5 cd5 11.Nd5 Nd5 12.Qd5 Nf6 13.Qe5+/–.

8.Nc3 a6 9.bc6 bc6 10.cd5 cd5 11.Nd5! f5 12.Nf4 Bb7 13.Nc4+– Nd5 14.Qh5 g6 15.Ng6! Bb4 16.Bd2 N7f6 17.Qh3 Bd2 18.Nd2 Rg8 19.Ne5 Qc8 20.Ndc4 Qe6 21.Rb1 Rg7 22.Qh6 Rc7 23.Be2 Nc3 24.Bh5 Ke7 25.Rb7! Rb7 26.Qg7 Kd8 27.Qb7 Rc8 28.Nd6! Rc7 29.Qb8 Rc8 30.Nef7 Ke7 31.Nc8 (31...Kf8 32.Ng5+–) 1–0. orane – Caissa, Caissa, 2008.

8.Nc3 Nb6 A) 9.c5 Nd7 10.Rb1 a6 11.bc6 bc6 12.Be2 Rb8 13.Rb8+/–; B) 9.bc6 bc6 10.cd5 cd5 11.Ba3 a6 12.Rb1 Rb8 13.Bc5+/–.

8.Nc3 f5!?+= 9.Ba3 A) 9...dc4 10.Bc4 Nb6 11.bc6 bc6 12.0–0 Ned5 13.Bf8+/–; B) 9...Nf6 10.Qb3 Be6 11.bc6 bc6 12.Rb1 Qd7 13.Na4+/–; C) 9...Nb6 10.Rb1 Bd7 11.c5 Nbc8 12.bc6 Bc6 13.Be2+=.

8.Nc3 f5!?+= 9.Qb3 A) 9...Nf6 10.bc6 bc6 11.Rb1 Nd7 12.cd5 Rb8 13.Qa4+/–; B) 9...Nb6 10.c5 Nd7 11.Be2 Nf6 12.0–0 Qc7 13.Rb1+=; C) 9...cb5 10.Nb5 Nf6 11.Ba3 Nc6 12.Bf8 Kf8 13.Rb1+=; D) 9...c5 10.cd5 cd4 11.ed4 Nb6 12.Bc4 Nc4 13.Qc4=.

8.Nc3 f5!?+= 9.c5 A) 9...g6 10.Rb1 Bg7 11.Nb3 a6 12.bc6 bc6 13.Bd2+=; B) 9...b6 10.bc6 Nc6 11.Qa4 Bb7 12.Rb1 Nf6 13.cb6+=; C) 9...Rb8 10.Ba3 Qa5 11.Qb3 Qd8 12.Qa4 a6 13.ba6+=; D) 9...a6 10.bc6 bc6 11.Be2 Ng6 12.0–0 Qf6 13.Qa4+=; E) 9...Qa5 10.Bb2 Qc7 11.Be2 f4 12.ef4 Qf4 13.0–0+=; F) 9...Nf6 10.Qb3 b6 11.cb6 ab6 12.Ba3 f4 13.Rc1+=; G) 9...Ng6 10.Qb3 a6 11.bc6 bc6 12.Rb1 Rb8 13.Qa4=.

8.Nc3 f5!?+= 9.bc6 bc6 10.Ba3 Qa5 11.Qc1 Nf6 12.Rb1 a6 13.Be2 +/–.

8.Nc3 g6

9.Ba3 Nb6 10.Rc1 h6 11.Bc5 Be6 12.bc6 bc6 13.cd5 +/–.

9.Rb1 Nb6 10.c5 Nd7 11.Be2 Bg7 12.bc6 bc6 13.0–0 +=.

9.Qb3 Nb6 10.Rb1 Bg7 11.bc6 bc6 12.cd5 cd5 13.Ba3 +/–.

9.cd5 cd5 10.a4 Nb6 11.a5 Nd7 12.Ba3 Nb8 13.Qb3 +/–.

9.Be2 f5 10.bc6 bc6 11.Rb1 Bg7 12.Ba3 Nb6 13.Bc5 +=.

3.d4 e4

4.a3 Be7 5.e3 Nf6 6.c4 a6 7.Qa4 dc4 8.Bc4 0–0 =+.

4.Na3? Bb4 5.c3 Bc3 6.Bd2 –+.

4.Na3? Nf6?? 5.f3? Bd6 6.fe4? Ne4 7.Nh3 Bh3 8.gh3 Qh4# 0–1. tuergeist – Vouivre, Uebungsturnier, 2005.

4.e3 a6 5.Nd2 ab5 6.Bb5 Bd7 7.Bd7 Nd7 8.Ne2 b5 9.0–0 Bd6 10.Nc3 c6 11.f3 Qh4 12.g3 Qh6 13.Qe2 f5 14.Bb2 Ngf6 15.a4 ba4 16.fe4 fe4 17.Ra4 Ra4 18.Na4 0–0 19.c4 Qg5 20.Nc3 Rb8 21.Bc1 h5 22.cd5 cd5 23.Kh1 h4 24.gh4 Qh4 25.Qg2? Ng4–+ 26.Nd5 Nh2 27.Qf2 Qh6 28.Ne7 Kh8 29.Nf5 Qh7 30.Kg1 Nf1 31.Nf1 Rf8 32.Nd6 Rf2 33.Kf2 Qh4 34.Kg2 Qg4 35.Ng3 Qd1 36.Nge4 Qc1 37.Kf3 Nb6 38.Ke2 Nd5 39.Nd2 Qg1 40.N2c4 g5 41.Nf7 Kg8 42.Nfe5 g4 43.Kd3 g3 44.Nf3 Qb1 45.Kd2 Qb4 46.Ke2 Qc4 (47.Kd2 Qc3 48.Ke2 Qe3 49.Kd1 Qf3 50.Kc2 g2 51.Kb2 Qc3 52.Kb1 g1Q 53.Ka2 Qga1#) 0–1. Jonsson,Gudbrandur – Perlitz,Heiko, TT–11.24 ETC, 2004.

4.Bf4 Bd6 5.Bd6 Qd6 6.Nd2 c5 7.dc5= Qc5 8.e3 Bd7 9.Ne2 Bb5–/+ 10.Nb3 Qc7 11.Qd5= Be2 12.Qe4+= Ne7 13.Be2 Qc3 14.Kf1 Nbc6 15.g3 0–0 16.Kg2 Nb4?? 17.Qe7+– Nc2 18.Rad1 Rae8 19.Qb7 Ne3 20.fe3 Qe3 21.Rhe1 Re7 22.Qb4 Rfe8 23.Bb5 Qb6 24.Re7 Re7 25.Qe7 g6 26.Rd8 Kg7 27.Qf8 Kf6 28.Qh8 Ke7 29.Re8 Kd6 30.Qe5# 1–0. b4player – oppo, internet, 2009.

4.Bf4 Be6 5.e3 Nf6 6.Nd2 Bb4 7.Rb1 Ba5 8.Ne2 Nbd7 =+.

4.Bf4 Be7 5.e3 Nf6 6.c4 Be6 7.c5 0–0 8.Nc3 b6 =+.

4.Bf4 Ne7 5.Qd2 Ng6 6.Bg3 Be6 7.e3 h5 8.Qa5 Kd7 =+.

4.Bf4 Bf5 5.e3 Nf6 6.Be2 a6 7.ba6 Na6 8.a3 Be7 =+.

4.Bf4 Bg4 5.Qd2 Nf6 6.e3 Be7 7.h3 Be6 8.Qc3 Kd7 =.

4.e3 Nf6

5.c4 dc4 6.Bc4 Bb4 7.Bd2 Bd2 8.Nd2 0–0 9.f3 ef3 10.Ngf3 Bg4 11.0–0+= Nbd7 12.Qc2 c6 13.Ng5 h6 14.Nf7+/– Rf7 15.Bf7 Kf7 16.Ne4 Kg8 17.Nf6 Nf6 18.bc6 bc6 19.Qc6 Rc8 20.Qb7 Rc7 21.Qb3 Kh8 22.Rac1 Be2 23.Rc7 Bf1?? 24.Rb7 Ba6 25.Ra7 Qc8 26.Qa3 +–. trigan_d – mariuscalin, internet, 2008.

5.c4 Be6 6.cd5 Nd5 7.Bd2 =+.

5.Be2 a6 6.Nd2 White claimed a win on time 1–0. 19larry – TheWelshKnight, ChessWorld.net, 2014.

4.Bf4 a6

5.e3 ab5 6.Bb5 Bd7 7.Bd7 Nd7 8.Nd2 Bb4 9.Rb1 Qe7 10.Ne2 Nb6=+ 11.c3 Bd6 12.Qc2 Ra7 13.Bd6 Qd6 14.c4 Qc6 15.c5 Ne7 16.0–0 Nd7 17.f3 ef3 18.Rf3 b6 19.Rb2 bc5=+ 20.dc5 Ra8 21.Qc3 0–0 22.Rh3 Qc5–/+ 23.Qc5 Nc5–+ 24.Rc2 c6 25.Rc5 Ra2 26.Nd4 Rd2 27.Nc6 Nc6 28.Rc6 Ra8 29.Rc1 h6 30.Rg3 Ra3 31.Rc8 Kh7 32.Rc1 f5 33.Rb1 h5 34.Kf1 Raa2 35.Rg5 g6 36.h4 Ra4 37.g3 Raa2 38.Rb5 Rd1# 0–1. Comet B25 – Fritz 8, 2003.

5.e3 Nf6 6.Nd2 Ba3 7.c4 ab5 8.cb5 0–0 =+.

4.Bf4 Bb4

5.c3 Ba5 6.Qa4 Bb6 7.e3= Bd7 8.c4 dc4 9.Bc4+= a6 10.Nc3 c6? 11.Qb3+– ab5 12.Bf7 Kf8? 13.Bg8 Rg8 14.Bd6 Ke8 15.Qg8# 1–0. pierre – pmty, internet, 2009.

5.c3 Be7 6.e3 Nf6 7.Nd2 0–0 8.Be2 a6 =+.

4.Bf4 Bd7

5.Nc3 Nf6 6.Rb1 a6 7.e3 ab5 8.Bb5 Bd6 9.Nge2 Bf4=+ 10.Nf4 Bb5 11.Rb5+/– c6 12.Rb7 0–0 13.0–0 Nbd7 14.h4 Rb8 15.Rb3 Rb3 16.cb3 Ne8 17.h5 f5? 18.Ne6+– (18...Qh4 19.Nf8 Nf8 20.Qc2+–) 1–0. ttt – yyy, internet, 2009.

5.e3 Nf6 6.c4 Bb4 7.Nd2 0–0 8.Rb1 Ba5 =+.

5.e3 h5 6.Be2 g5 7.Be5 f6 8.Bh5 Ke7 9.Bg3 Bb5 10.Nc3 Bc6 11.f4 Bh6 12.Nh3+= Qd7 13.fg5 Bg5 14.Ng5 fg5 15.Be5 Rh7 16.0–0 Nh6 17.Bg6 Rf7 18.Qh5 Na6 19.Qg5 (19...Ke8 20.Qh6+–) 1–0. pereira – guest, internet, 2007.

4.Bf4 Nf6

5.e3 Bd7 6.c4 c6 7.Nd2 Be7 8.bc6 bc6 9.Qb3 0–0?? 10.Qb7+/– Nh5?? 11.Qa8+– Nf4 12.ef4 1–0. b4player – oppo, internet, 2009.

5.e3 Be6 6.Nd2 Bb4 7.Rb1 Ba5 8.Ne2 Nbd7 =+.

3.e3 a6

4.a3 ab5 5.Bb5 c6 6.Be2 Nf6 7.Nf3 Bd6 8.0–0 0–0 9.Bb2 Qc7 10.d4 e4–+ 11.Ne5 Nbd7 12.Nd2 Ne5 13.de5 Be5 14.Be5 Qe5 15.f4 Qd6 16.c4 Ra3 17.cd5 cd5 18.Nb3 Ra1 19.Qa1 Bd7 20.Qe5 Qe5 21.fe5–/+ Ng4 22.Bg4 Bg4 23.Nc5 b6 24.Nb7 Rb8 25.Nd6 Be6 26.g4 Kf8 27.g5 Ke7 28.h4 b5 29.h5 b4 30.g6 hg6 31.hg6 f6 32.Nf7 Bf7 33.gf7 Kf7 (34.ef6 g6–+; 33...fe5 34.Kg2–+) 0–1. trex2 – bearsteddy, Live Game Caissa's Web, 2005.

4.Bb2 ab5 5.Be5= Nc6 (better is 5...Nd7!? 6.Bd4 b4+=) 6.Bb5+= f6 (6...Bd7 7.Bc6 Bc6 8.Nf3+=) 7.Bb2 (7.Bf4 Nge7+/–) 7...Nge7 (7...Bf5 8.Nf3+/–) 8.Nf3 (8.Qh5 g6 9.Qh4 Bg7+/–) 8...Ra5 (8...Qd6 9.Nc3+/–) 9.Nd4 (9.a4 Nf5+/–) 9...Bd7 10.Bc3 Nd4? (better is 10...Ra8+/–) 11.Bd7+– Qd7 12.Ba5 (12.ed4?! Qe6 13.Qe2 Ra6=; 12.Bd4?! Nf5+=) 12...Nb5 (12...Qa4 13.ed4 (13.Bc7? Nc2 14.Ke2 Qg4 15.f3 Qg2 16.Kd3 Na1–+) 13...Qa5 14.Nc3+–) 13.a4 Nd6 14.0–0 Nc6 (14...Ng6 15.d3+–) 15.Qh5 (15.Bc3 Ne5+–) 15...Nf7 16.Bc3 Bb4 (16...Nce5 17.Re1+–) 17.a5 Bc3 (17...0–0 18.Bb4 Nb4 19.Rc1+–) 18.Nc3 (18.dc3?! Nce5+–) 18...0–0 (18...Nb4 19.Rfb1 c5 20.d4 Nc2 21.a6+–) 19.Qd5 Qg4 (19...Qd5 20.Nd5 Rd8 21.e4+–) 20.h3 (20.a6 Rd8 21.Qc5 Qg5 22.Qg5 Ng5 23.ab7 Rd2+–) 20...Qh4 (20...Qc8 21.a6! Rd8 22.Qc5+–) 21.a6 Rd8 22.Qe6 1–0. Wall,Bill – Edwards,T, internet, 1999.

4.Bb2 Bc5 5.Be5+= f6 6.Bb2 Bd7?? 7.a4 ab5 8.Bb5 c6+/– 9.Be2 Bf5 10.d4 Qa5 11.c3 Qc7?? 12.dc5+– Qa5 13.Nf3 Qc5 14.Nd4 Be4 15.0–0 h5 16.Ba3 Qa5 (17.Ne6 Kd7 18.Nc5 Kc8+–; 16...Qb6 17.c4+–). makaveli1982 – PurdueSux, internet, 2007.

4.Bb2 d4 (--> 3.Bb2 d4 4.e3 a6).

4.Bb2 Bd6 (--> 3.Bb2 Bd6 4.e3 a6).

4.Bb2 Nd7 (--> 3.Bb2 Nd7 4.e3 a6).

4.Bb2 e4 5.c4 Be6 6.cd5 Bd5 7.Nc3 c6 8.ba6 Na6 9.Nd5 Qd5 10.Qb3 Bb4?? 11.Qd5+= cd5 12.Bg7 Nc5 13.Bb5 Ke7 14.Bh8 f6 15.Rb1 Ba5 16.f3 Kf7 17.fe4 Ne4 18.Nf3 Ne7 19.Bd3 Nc5 20.Ke2 b6 21.Rbf1 Nd3 22.Kd3 Rh8 23.Ng5 Kg6 24.Ne6 f5 25.Nd4 Rf8 26.Rf4 h5 27.h4 Bb4 28.Ne6 Rf6 29.Rb4 Re6 30.Rhb1 Nc8 31.Kd4 Rd6 32.Rb5 Kf6 33.Rd5 Rc6 34.Rb2 Ne7 35.Rd8 Re6 36.Kd3 Nc6 37.Ra8 Ne5 38.Ke2 Nc4 39.Rb4 Rc6 40.Ra6 Rc8 41.d3 Ne5 42.Rab6 Ke7 43.Rb2 Rg8 44.Rb7 Kd6 45.R2b6 Nc6 46.Kf3 Rc8 47.Rh7 Kc5 48.Rc6 Kc6 49.Rh5 (49...Rd8 50.Rf5 Rd3 51.a4+–) 1–0. super knight – fantom, internet, 2006.

4.Nc3 ab5 5.Bb5 c6 6.Be2 d4 7.ed4 ed4 8.Ne4 Bf5 9.Nc5?? Bc5–+ (10.Nf3 Nf6–+) 0–1. 30qaz – azc, Live Game Caissa's Web, 2004.

4.ba6 Na6

5.Bb2 Bd6 6.Nf3 f6 7.Nc3 Ne7 8.Nb5 0–0 9.d4 e4 10.Nd2 Be6 11.a3 Qd7 12.Be2 Nf5 13.Nd6 Qd6 14.0–0 Rfe8 15.h3 Nh4 16.c4 b6 17.cd5 Bd5 18.Qa4 Bc6 19.Bc4 Kh8 20.Qc2 Bb7 21.Rac1 c5 22.Rfd1 cd4 23.Bd4 Nc5 24.Bf7+/– Rf8 25.Nc4 Qb8 26.Nb6 Ra5? 27.Qc3 Ra6 28.Bc4 Na4 29.Qb4 Nb6 30.Ba6 Ba6 31.Bb6 Be2 32.Rd7 Re8 33.Rcc7 Nf5 34.Qc5 Rg8 35.Qf5 Qb6 36.Qe4 Qb2 37.a4 Ba6 38.f3 Qe2 39.Kh2 Qf2 40.Qe6 Ra8 41.Qf7 Qg2 42.Kg2 (42...Bf1 43.Kf1 Rg8 44.Rd8 Rd8 45.Qg7) 1–0. Crafty 19.01 – Comet B25, 2004.

5.Bb2 Bd6 6.f4 Qh4 7.g3 Qf6 =+.

5.Bb2 Bd6 6.Qh5 g6 7.Qf3 Bf5 8.Qd5?? c6?? 9.Qc4 Qb6 10.Bc3 Bc2=+ 11.Bd3 Bd3 12.Qd3 0–0–0 13.Qc2 f6 14.Ne2 Nb4 15.Bb4= Bb4 16.Nbc3 Qa5 17.0–0 Ne7 18.Rac1 Nd5 19.e4 Nc3 20.Nc3 Rd6 21.Qa4?? Rd2 22.Qa5 Ba5–+ 23.Nd5 Ra2 24.Nf6 Rf8 25.Nh7–/+ Rf7 26.Ng5 Rf8 27.g3 Bb6–+ 28.Nh3 g5 29.g4 Rf3 30.Kg2=+ Rd3 31.Ng5 Rdd2 32.Nh3+= Ra3 33.g5+/– Rdd3 34.f3 Ra2 35.Kg3 Be3 36.g6?? Bf4?? 37.Nf4+– ef4 38.Kf4 Rh2 39.Rg1 Rd8 40.g7 Rg8 41.Ra1 Kb8 42.Rad1 Rh7 43.Rd7 Kc8 44.Rf7 c5 45.Rf8 Kc7 46.Rg8 c4 47.Rh8 Rg7 48.Rg7 Kc6 49.Rh6 Kb5 50.Rb7 Kc5 51.Rhh7 Kd4 52.Rhd7 Kc3 53.e5 Kc2+– 54.e6 c3 55.e7 Kc1 56.Rdc7 c2 57.e8Q Kd2 58.Rd7 Kc1 59.Qe1 (59.Qe3) 1–0. MasterofDisaster – aemon, Live Game Caissa's Web, 2004.

5.Bb2 e4 6.Be5 Ne7 7.Nc3 Ng6 8.Bg3 h5 9.h3 Nc5 (9...Bb4 10.Ba6 Ra6 11.Nb5+=) 10.Nb5 Ne6 11.c4 h4 12.Bh2 d4 13.Ne2 (13.ed4 c6 14.d5 cb5 15.de6 Be6 16.cb5 Bb4–/+ (16...Ba2?! 17.Ne2=; 16...Ra2?! 17.Ra2 Ba2 18.b6=)) 13...de3 14.de3 Bb4 15.Nec3 Bd7 16.Qb3 Qe7 17.Rb1 (17.Nc7? Nc7 18.a3 Be6–+) 17...Ba5 18.Be2 (18.Ke2 Bb5 19.Nb5 0–0–/+) 18...Nc5–+ 19.Qc2 Bb5 20.Rb5 c6 21.Ra5 Ra5 22.0–0 0–0 23.Qd2 Rfa8 24.Bd6 Qe6 25.Rd1 Nf8 26.Qb2 Nfd7 27.Qc2 f5 28.Qd2 Qf7 29.Rc1 (29.Qb2 b6–+) 29...Ne6 30.Qb2 Ndc5 31.f3? (better is 31.Qb4–+) 31...ef3 32.Bf3 (32.gf3 f4–+) 32…Nd3 (32...Nd3 33.Qb1 Nc1 34.Qc1 Ng5–+) 0–1. Trokenheim,Marek (1770) – Santos,Sebastian (1790), RB–2012–0–00176, 2012.

5.Bb2 f6 6.Qh5 g6 7.Qd1 Bc5 8.d4= ed4 9.ed4 Qe7 10.Be2 Bb4 11.c3 Ba5?? 12.Qa4+– c6 13.Qa5 Bg4 14.Ba3 Qe4 15.f3 Bf3 16.gf3 Qh4 17.Kf1 Nh6 18.Qb6 Rb8 19.Bd6 Kd7 20.Bg3 Qg5 21.Na3 Rbe8 22.Qb7 Nc7 23.Qc7 Ke6 24.Qc6 Kf7 25.Qd7 Kf8 26.Nh3 Re2 27.Ng5 Re7 28.Qd5 fg5 29.Bd6 Nf5 30.Be7 Ne7 31.Qg5 h6 32.Qf6 Ke8 33.Qh8 (33...Kf7 34.Re1 Ng8 35.Qh7 Kf6 36.Rg1 g5 37.d5 g4 38.Re6 Kg5 39.Qg8 Kf4 40.Qg4#) 1–0. MasterofDisaster – kdfoerster, Live Game Caissa's Web, 2004.

3.e3 c5

4.Bb2 d4 (--> 3.Bb2 d4 4.e3 c5).

4.Bb2 Qd6 5.d4 cd4 6.ed4 e4 7.c4 dc4 8.Qc2 Qb4 9.Bc3 (9.Nd2 Bf5 10.Bc3 Qb5 11.Bc4 Qd7 12.Ne4 Qe7=) 9...Qb5 10.Qe4 Ne7 (better is 10...Be6!?–/+) 11.Nd2= Be6 12.Ngf3 (12.Rb1 Qc6 13.Bc4 Bc4 14.Qc6 Nbc6 (worse is 14...Nec6 15.Nc4 Nd8 16.Kd2+/–) 15.Nc4 0–0–0=) 12...Bd5 (12...Qa6 13.Be2–/+) 13.Qg4 (13.Qe2 Nd7–/+) 13...f5 (13...Qa6 14.a4 Nd7 15.Be2–/+) 14.Qg5 (14.Qh5!? g6 15.Qh4+=) 14...Qa4–/+ 15.Be2 Qc2 16.Bb4 Nbc6 17.Be7 h6 18.Qg6 Ke7 (18...Bf7 19.Qg3 Be7 20.0–0–/+) 19.Qg3 (better is 19.0–0 c3 20.Bc4 cd2 21.Bd5+–) 19...Kd8–/+ 20.0–0 (20.Ne5!? c3 21.Ndc4 Bc4 22.Nc4–/+) 20...Bf3–+ 21.Bf3 (21.Qf3 Qd2 22.Rfd1 Qa5–+) 21...Qd2 22.d5? (22.Bc6 bc6 23.Qe5 Qg5–+) 22...Nd4 (22...f4!? 23.Qh4 g5 24.Qh5–+) 23.Rfd1 Ne2 24.Be2 Qe2 25.d6 Qg4 (25...Kd7 26.Qa3 Qe6 27.Qa4 Kd8 28.Rab1–+) 26.Qc3 Qe4 27.Rd4 Qe5 28.Re1 Qf6?? 29.d7 Bd6 30.Qc4–/+ Kd7 31.Red1 a6?? 32.Rd6 Qd6+= 33.Qf7 Kc6 34.Rc1?? Kb6–+ 35.Qg7 Ka7 36.g3 Rac8 37.Rb1 Qd5 38.h4 Qe4 39.Rd1 Rhd8 40.Rf1 Rh8 41.Ra1?? Kb8 42.Rd1 h5 43.Qf7 Qf3 44.Rb1 Rc2 45.Rf1 Rhc8 46.Qe6 Rf2! (46...Rf2 47.Qc8 Kc8 48.Rf2 Qg3 49.Kf1 Qh4 50.Rc2 Kd7 51.Rd2 Ke6 52.Re2 Kd5–+) 0–1. tightfist (2525) – chessnaif (2285), net–chess.com, 2013.

4.Bb2 Bd6 (--> 3.Bb2 Bd6 4.e3 c5).

4.c4 Nf6 5.cd5 Nd5 6.Bb2 =+.

4.d4 e4 5.c4 b6 6.cd5 Qd5 7.Nc3 Qb7 8.Bc4+= Nf6 9.d5 Bd6= 10.Qc2 Bf5 11.Bb2 Qe7 12.0–0–0 Nbd7=+ 13.Nge2 Ne5 14.Qb3 Nd3 15.Bd3=+ ed3 16.Nf4 Rc8 17.Qc4= 0–0 18.Nd3 Rfe8 19.Rde1 Bd3 20.Qd3 c4 21.Qc2 Ba3 22.e4 Ng4 23.f4 Bc5 24.Re2 Be3= 25.Kb1 Bf4=+ 26.g3 Bd6–/+ 27.Nd1 f5 28.h3 Nf6 29.e5+= Be5? 30.Re5+– Qb4 31.Re8 Ne8? 32.Qf5 Rc7 33.Qe6 (33...Rf7 34.Qe8 Rf8 35.Qe5+–) 1–0. PawnPower (1625) – AndyD (1625), internet, 2007.

4.Nf3 Nd7 5.d3 Ngf6 6.Be2 Bd6 7.0–0 Qb6 8.d4 cd4 9.ed4 e4 10.Nh4 Qc7 11.h3 Nb6 12.Qd2 Be6 13.Qg5 0–0 14.Qd2 Rfc8 15.Bd1 h6 16.g4 Nc4 17.Qc3 Qb6 18.a4 Qd8 19.Nf5 Bf5 20.gf5 Qd7 21.h4 Qf5 22.Ra2 a6 23.ba6 ba6 24.Ra1 Rab8 25.Be2 Qg6 26.Kh1 Na3 27.Qh3 28.Ra2 Nd4 29.h5 Qf5 30.Qf5 Nf5 31.Ba6 Rd8 32.Rb2 Ra8 33.Bb5 Nh5 34.Nc3 Be5 35.Rb3 Nd4 36.Rb4 Rac8 37.Ne2 Nc2 38.Rb3 d4 39.Bb2 Kh7 40.a5 Kg6 41.a6 Kf5 42.f3 e3 43.Bd3–/+ Ke6 44.Rb6 Ke7 45.Rb7 Kf6 46.Rc1 Ng3–/+ 47.Ng3 Bg3 48.Rb6 Kg5 49.Rc2 Rc2 50.Bc2? e2–+ 51.Bc1 Bf4 52.Bf4 Kf4 53.Rb1 d3 54.Bd3 Rd3 55.Kg2 Rf3 56.Re1 Ke3 57.a7+– Rf2 58.Kg1 Rf4 59.a8Q Rg4 60.Kh2 Kf2 61.Kh3?? f5?? 62.Qh1?? g5= 63.Re2 Ke2 64.Qd5 Rh4 65.Kg3 f4 66.Kg2 Rg4 67.Kh3 h5 68.Qe5 Kd3 69.Qe6 Rh4 70.Kg2+/– Rg4 71.Kf3 Rg3= 72.Kf2 h4 73.Qd5 Kc3 74.Ke2 f3 (75.Ke3 Kb4=). Crafty 19.01 – Fritz 8, 2004.

4.g4 Bd6 5.Nc3 Be6 6.Bg2 –/+.

4.g4 Nf6 5.g5 Ne4 6.h4 a6 7.Nc3 Nc3 8.dc3 ab5 9.Bb5 Nc6 10.Bc6 bc6 11.Bb2 Qb6 12.Qb1?? c4 13.a4 Bf5 14.Ne2 Be4 15.Rg1 Be7 16.Ba3?? Qb1 17.Rb1 Ba3 18.Rb6 0–0 19.Rc6 Ra4 20.Kd2 Rb8 21.Rg3 d4! 22.Rc5 Bc5 (23.ed4 ed4 24.Nd4 Bd6–+) 0–1. riverborne – esaul, Live Game Caissa's Web,2006.

4.Bb2 Nd7

5.c4 d4 6.Qc2 a6 A) 7.Bd3 A1) 7...ab5 8.cb5 Qg5 9.Bf1 Bd6 10.Na3=+; A2) 7...Ngf6 8.Na3 b6 9.Ne2 Bb7 10.f3=+; A3) 7...Qg5 8.ba6 Ra6 9.Be4 Ngf6 10.Bf3–/+; B) 7.Nf3 B1) 7...Bd6 8.Na3 Ne7 9.Bd3 Nf6 10.0–0=+; B2) 7...ab5 8.cb5 Ngf6 9.Bd3 Qe7 10.Ng5=+; B3) 7...Be7 8.Na3 ab5 9.Nb5 Ngf6 10.Bd3=; B4) 7...Ngf6 8.Bd3 Qe7 9.Ng5 ab5 10.cb5=+; C) 7.ba6 ba6 8.Bd3 Rb8 9.Ne2 Ngf6 10.0–0=+.

5.c4 d4 6.Qc2 Bd6 A) 7.Nf3 A1) 7...Ngf6 8.Bd3 a6 9.0–0 ab5 10.cb5=+; A2) 7...a6 8.Na3 Ne7 9.Bd3 Nf6 10.0–0=+; A3) 7...Qe7 8.d3 f5 9.ed4 cd4 10.Be2=+; B) 7.Bd3 Ngf6 8.Nf3 a6 9.0–0 ab5 10.cb5=+.

5.c4 d4 6.Qc2 Ngf6 7.Bd3 Qe7 8.e4 Nb6 9.Ne2 g6 10.0–0 Bh6 11.Na3 Nh5 12.h3 Qg5–/+ 13.Kh2 Nf4 14.Nf4 Qf4 15.g3 Qd2 16.Qd2 Bd2 17.Bc1 Bc1 18.Rac1 a6 19.Rc2 Bd7 20.f4 Ke7 21.fe5 Be6 22.ba6 Ra6 23.Nb5 Nd7 24.Nc7 Ra3 25.Ne6 Ke6 26.Be2 Ne5 27.Bg4 Ng4 28.hg4 Rha8 29.Rff2 Ke5 30.Rf7 Ra2 31.Ra2 Ra2 32.Kh3 Ke4 33.Rb7 d3 34.Rh7 Kd4 35.Kh4 Rh2 (36.Kg5 Rh7 37.Kg6 Rb7 38.Kf6 d2 39.Kf5 d1Q 40.Kg5 Qd3 41.Kf6 Qe4 42.g5 Re7 43.g6 Qe5#) 0–1. Ashley1 – 1ricardo (1810), internet, 2008.

4.c4 d4

5.Qa4 b6 6.d3 Bb7 7.f3 Bd6 8.Be2 Ne7 9.Nh3 a6 10.e4 ab5 11.Qb5 Bc6 12.Qb3 Bc7 13.0–0 0–0 14.a4 Na6 15.Nd2 Nb4 16.Ba3 Ba4–+ 17.Qb2 Nec6 18.f4 Re8 19.f5 Qe7 20.Nf2 Reb8 21.Bf3 Bd6 22.Bg4 Qf8 (better is 22...Nc2!? 23.Rac1 Ne3–+ (23...Na3?! 24.Qa3 Nb4 25.Qb2–+)) ½–½. Borup,John – Reussner,Hans Dieter, 04. VCC–Open, 2001.

5.d3 Bd6 6.Be2 =+.

5.d3 Bd6 6.e4 f5 7.Nd2 Nf6 8.g3 fe4–/+ 9.de4 0–0 10.h3 Be6 11.a4 Qe8 12.g4 Nbd7 13.a5 Qg6 14.f3 h5 15.Qe2 Bc7 16.Ra3 Rf7 17.Bg2 Raf8 18.Kd1 Ne8 19.Rh2 Nd6 20.Ra4 Bd8 21.Nb3? Nb5!–+ 22.Bd2 Nd6 23.Qd3 b5! 24.ab6 Nb6 25.Nc5 Na4 26.Na4 Bc4 27.Qa3 Be7 28.Qa1 hg4 29.hg4 Ne4! 30.fe4 Rf1! (31.Bf1 Rf1 32.Kc2 Qe4 33.Kb2 Qb7 34.Nb6 Qb6 35.Bb4 Qb4 36.Kc2 d3#) 0–1. Schwichtenberg,Juergen (2000) – Baumgartner,Heinz (2330), EU–ch Seniors, 2005.

5.d3 Nf6 6.e4 Be7 7.Nf3 Bg4 8.Nbd2 Nbd7 9.Be2= 0–0 10.0–0 h6 11.a3 a6 12.Rb1 Qc8 13.Qb3 a5 14.a4 Nh5 15.b6?? Nf4–/+ 16.Bd1 Ra6 17.Qb5 Nb6 18.Ne5? Be2?? 19.Be2? Ne2–+ 20.Kh1 Nc3 21.Qb3 Nb1 22.Nb1 Qc7 23.Nf3 Nd7 24.g3 Bd6 25.Qa2 f5 26.Bd2? fe4 27.de4 Rf3 28.Nc3 dc3 (29.Kg2 Rd3–+) 0–1. Hubbell,W – Cepeda,D, Lansing MI, 2001.

5.ed4 ed4 6.d3 Bf5 7.Nf3 Nd7 8.h3 Ngf6 9.Bf4 Be7 10.Be2 0–0 11.0–0 Nh5 12.Bh2 Bf6 (better is 12...Bg6=) 13.g4 Be6 14.gh5 Bh3 15.Re1 Re8 16.Nbd2 Be5 17.Ne4 h6 18.Ne5 Ne5 19.Be5 Re5 20.Bf1 Qd7 21.Qf3 Bg4 (better is 21...Bf1 22.Kf1 Kh7+–) 22.Qg3 Rh5 (22...Rae8 23.f4 Re4 24.Re4 Re4 25.de4 Bh5+–) 23.f3 (23.f3 Re8 24.fg4+–) 1–0. combijack (1810) – buddie (1715), gameknot.com, 2011.

5.Qe2 Be6 =+.

4.d4 ed4

5.ed4 c4 6.c3 =+.

5.ed4 Nf6 6.Nf3 Bg4 7.Be2 Bd6 8.0–0 0–0 9.dc5 Bc5 10.Nbd2 Nbd7 11.c4 dc4 12.Nc4 Qc7 13.Ne3 Rad8 14.Ng4 Ng4 15.Qa4 Ndf6 16.Bf4 Qb6–/+ 17.Bg3 Rfe8 18.Qc2 Ne4 19.Bc4 Rd2 20.Nd2 Ng3 21.hg3?? Bf2–+ 22.Rf2 Qf2 23.Kh1 Ne3 24.Bf7 Kh8 (25.Rg1 Nc2 26.Be8 Qd2–+; 24...Qf7?! 25.Qb3–/+) 0–1. Beckmann – Gerstner,Wolfgang, Bargteheide op, 1988.

4.Nf3 e4

5.Ne5 Nd7 6.Nd7 Bd7 7.Nc3 Nf6 8.d3 ed3 9.Bd3 Bd6 10.Bb2 0–0 11.0–0 Bh2 12.Kh2+= Ng4 13.Kg3 Qc7 14.f4 Ne3 15.Qh5 g6?? 16.Nd5 Nd5 17.Qh7!! (17...Kh7 18.Rh1 Bh3 19.Rh3 Kg8 20.Rh8#) 1–0. b4_player (2150) – NN, GameColony.com, 2004.

5.Ne5 Qg5 6.Bb2 f6 7.f4 Qf5 8.Nc3 fe5 9.Nd5 Bd6 10.b6 Nf6 11.Nf6 Qf6 12.fe5 (12...Qg6 13.ed6 ab6 14.Bc4+/–) 1–0. Vettenburg – Hermansen, corr ICCF, 1984.

3.e3 Bc5

4.Bb2 d4 (--> 3.Bb2 d4 4.e3 Bc5).

4.c3 Nf6 5.Qa4 0–0 6.Qh4 Bf5 7.Na3 Qe7 8.Qg5 Ba3 9.Qf5=+ Bc1 10.Rc1 g6 11.Qg5 e4 12.g3 Nbd7 13.h4 Ne5 14.b6? ab6–+ 15.Qh6? Ra2 16.h5 Qa3 17.hg6 fg6 18.Ne2 Nd3 19.Kd1 Qb3 20.Rc2 Qc2 0–1. kingsteel – HorseFeathers, Live Game Caissa's Web, 2004.

4.c4 Nf6 5.d4 ed4 6.ed4 Qe7 7.Be2 Bb4 8.Bd2 (8.Kf1 dc4 9.a3 Bd6+=) 8...dc4–/+ 9.Nf3 Bg4 (9...a6 10.ba6 b5 11.0–0–/+) 10.Ne5 (10.0–0 Bd2 11.Qd2 0–0+=) 10...Bd2 (10...Be2 11.Qe2 0–0 12.Qc4+=) 11.Qd2 Be2 12.Qe2 Nbd7 (12...0–0+=) 13.Qc4? (better is 13.Nc4!? a6 14.Nc3+=) 13...Ne5–+ 14.de5 Qe5 15.Kf1?? (better is 15.Qe2 Qe2 16.Ke2–+) 15…Qa1 (15...Qa1 16.Qe2 Kf8–+) 0–1. Zulu – Wall,Bill, internet, 2002.

4.Nf3 e4 5.Ne5 Nf6 6.Bb2 0–0 7.Be2 Re8 8.0–0 Bd6 9.f4 c6 10.c4 Qb6 11.Nc3 a6 12.Na4 Qd8 13.b6 c5 14.cd5 Nd5 15.Qb3 Bf8 16.Bc4 Be6 17.f5 f6 18.fe6 fe5 19.Bd5 Kh8 20.Bb7 Qd2 21.Ba8 Qd6 22.Rad1 Qe7 23.Be5 Qg5 24.Bd6 Bd6 25.Rd6 Qe7 26.Qd5 Qh4 27.Qf5 h6 28.Be4 g6 29.Qg6 Qe7 30.Rf7 1–0. Deb,Akash – Toy,Brian, California Scholastic Ch, 1998.

4.g3 d4 5.Bg2 de3 6.fe3=+ Qg5 7.Qf3 Nf6 8.h4 Qh5 9.Nc3 0–0 10.Na4 e4?? 11.Qf4?? Bd6–/+ 12.Qg5 Qg5 13.hg5= Bg3 14.Kd1? Bg4?? 15.Ne2= Be2?? 16.Ke2+– Ng4 17.Be4 Nf2 18.g6?? Ne4–+ 19.gh7 Kh8 20.Bb2 f6?? 21.Rag1?? Bd6–+ 22.Rg7?? Kg7 23.h8Q Rh8 24.Rg1 Kf7 25.Kd3 Nc5 26.Ke2 Na4 27.Bd4 b6 28.c4 Nc5 29.Rf1 Nbd7 30.a4 Nb3 31.Bc3 Rh2 32.Kf3 Nd2 33.Bd2 Rd2 34.Ke4 Nc5 35.Kf5 Na4 (36.Rd1 Rf2 37.Ke4 Nc3 38.Kd3 Be5 39.c5 Rd8 40.Kc4 Nd1 41.cb6 Ne3 42.Kb4 Rd4 43.Ka3 Rd3 44.Kb4 Rf4 45.Kc5 Rc4#; 35...Rg8 36.a5 Rg5#) 0–1. solidsteel – aazw, Live Game Caissa's Web, 2005.

4.g3 Qf6 5.Bb2 =+.

4.Bb2 Nd7

5.Nc3 Ngf6 6.d4 ed4 7.ed4 Bd6 8.Be2 0–0 (9.Nf3 a6=+). 32qaz – art55, Live Game Caissa's Web, 2004.

5.d4 Bd6 6.c4 Ngf6 7.c5+= Nc5? 8.dc5 Bc5 9.Be5 Bb4 10.Bc3 Qd6 11.a3 Bc3 12.Nc3 Qe5 13.Qd4 Qd4 14.ed4 0–0 15.f3 Re8 16.Kf2 Bf5 17.g4 Bc2? 18.Nge2 a6? 19.ba6 Ra6 20.Bg2 b6? 21.Rhc1 Bd3 22.Nf4 Bc4 23.g5 Nd7 24.Ncd5 Bd5 25.Nd5 c5 26.Nc7 Raa8 27.f4 Rac8 28.Ne8 Re8 29.Bc6 Rd8 30.d5 Nb8 31.Rd1 f6 32.gf6 gf6 33.Bb5 f5 34.Rd2 Rc8 35.d6 (35...Rd8 36.Re1+–) 1–0. Palmi,Herbert – Schollbach,Dieter, remoteschach.de, 2003.

5.Nf3 Bd6

6.c4 Ngf6 7.d4 e4 8.Ne5 b6?? (better is 8...0–0+=) 9.Nc6+– Bb7 10.Nd8 Rd8 11.cd5 Nd5 12.Bc4 0–0 13.Nc3 Bb4 14.0–0 (better is 14.Qb3!? N7f6+–) 14...Nc3 15.Qg4 (better is 15.Qb3 Nb5 16.Bb5+–) 15...Nf6 16.Qf4 Bd6 17.Qh4 (17.Bc3?! Bf4 18.ef4 Bd5=) 17...Ncd5 18.f3?? (better is 18.Rfc1+–) 18...Ne3+= 19.fe4 (better is 19.d5 Nfg4 20.Be2 Bh2 21.Kh1+=) 19...Nf1? (better is 19...Nc4 20.e5 Ne4 21.ed6 Nb2=) 20.Rf1+– Ne4? 21.d5 Nd2?? 22.Qg4 g6 23.Qd4?? Bc5–+ 24.Rf2 Bd4 25.Bd4 0–1. Schmidt,Valeska – Banken,Gerd, Dortmund6, 2003.

6.Be2 a6 7.Nc3 Ngf6 8.0–0 0–0 9.a4 Nb6 10.ba6 ba6 11.Rb1 c5 =+.

6.Be2 Qe7 7.c4 dc4 8.Bc4 Ngf6 9.0–0 Nb6 10.Bb3 Bg4 11.h3 Bd7 =+.

6.Be2 Ne7 7.0–0 0–0 8.c4 b6 9.a4 a5 10.Nc3 Bb7 11.d4 e4 12.Nd2 Nf5 13.Bg4 Qg5 14.cd5+/– Nf6 15.Nde4 Bh2 16.Kh1 Ne4 17.Ne4 Qh4 18.Bh3 Bd5 19.Qg4+= Be4 20.Qh4 Nh4 21.Kh2 Ng6 22.Rac1 Ra7 23.Rc3 Bd5 24.Rfc1+– Be6 25.Be6 fe6 26.f3 Rf7 27.Ba3 Ne7 28.e4 Ng6+/– 29.Rc6 Nf4? 30.R1c2 h6 (better is 30...Rd7!? 31.Kg3 Nd3+/–) ½–½. Acevedo,Daiana – Marquez,Marcos, Buenos Aires Najdorf op U14, 2001.

6.Be2 Qf6 A) 7.0–0 Nb6 8.d4 e4 9.Ne5 Na4 10.Qc1 Nb2 11.Qb2 Qg5=+; B) 7.c4 Ne7 8.Nc3 dc4 9.Bc4 e4 10.Nd4 Qg6 11.Bf1 c5=+; C) 7.Nc3 Ne7 8.0–0 0–0 9.a4 e4 10.Nd4 Be5 11.Ba3 Re8=+.

6.Be2 Ngf6 A) 7.0–0 a6 8.Nc3 0–0 9.a4 Re8 10.a5 ab5 11.Nb5 Bb4–/+; B) 7.Nc3 a6 8.0–0 0–0 9.a4 Re8 10.ba6 ba6 11.Rb1 Rb8=+.

4.Bb2 Qe7

5.Nf3 Bd6 6.Nc3 Nf6 7.Qe2 (7.Be2 e4 8.Nd4 0–0=) 7...c5 8.e4 d4 9.Nd5 (9.Nb1!?+=) 9...Nd5–/+ 10.ed5 e4 11.Ng1 0–0 12.c3 (12.d3 Bf5 13.g4–+) 12...Qe5 (12...d3 13.Qe3–+) 13.c4 (13.cd4!? Qd5 14.Qc4–/+) 13...Bf5 14.g3 Re8 15.f4 ef3! 16.Nf3?? (better is 16.Qe5 Be5 17.Kf2–/+) 16...Qe2–+ 17.Be2 d3 (17...d3 18.0–0 de2–+ (worse is 18...Re2 19.Nd4 cd4 20.Rf5–+)) 0–1. Maly,Wolfgang – Hiller,Ulrich, DSB Derby Seniors 3rd, 2004.

5.Nf3= Bd6 6.c4 =.

5.Nf3= Nd7 6.d4 ed4 7.Nd4 (7.Bd4 Ngf6=) 7...Nb6 8.Nb3 (8.Be2 Na4 9.Bc1 Nf6=) 8...Nf6?? (better is 8...Bb4 9.N1d2 Nf6=) 9.Nc5+– 1–0. Van Rooijen,Peter – Mullen,John, IECC, 2000.

3.e3 c6

4.a4 Bb4 5.Bb2 Qe7 6.Nf3 Nd7 7.Be2 Ngf6 8.0–0 0–0 9.d3 a6 10.c4 ab5 11.ab5 Ra1 12.Ba1 Re8 13.Nbd2 e4 14.Nd4 c5 15.Nf5 Qe6 16.Ng3 ed3 17.Bd3 Ne5 18.Bf5= Qe7 19.cd5 Bf5 20.Nf5 Qd7 21.Ng3 Qd5 22.Nb3 Qd1 23.Rd1 c4 24.Nd4 c3 25.Nge2 Rc8= 26.Nc2 Ba5 27.f4 Ng6 28.h3 Ne4 29.Rd7 b6 30.Ned4 Nf8 31.Ra7 Nd2?? 32.Nc6+– Re8 33.Na5 ba5 34.Ra5 Nb3 35.Ra3 Na1 36.Ra1 Rb8 37.Rb1 Rb6 38.Kf2 Ne6 39.Ke2 Nc7 40.Nd4 Nd5 41.Kd3 g6 42.Ne2 c2+/– 43.Rb2 f5 44.g3 h5 45.e4 Nf6? 46.e5+– Ne4 47.Kc2 Kf7 48.h4 Ke6 49.Kd3 Kd5 50.Nc3 Nc3 51.Kc3 Kc5 52.Rb4 Rb5 53.Rb5 Kb5 54.Kd4 Kc6 55.Kc4 Kd7 56.Kd5 Ke7 57.e6 Ke8 58.Ke5 Ke7= 59.Kd5 Ke8 60.Kd6 Kd8 61.e7 Ke8 62.Ke6 (62...g5 63.hg5 h4 64.g6 hg3 65.g7 g2 66.g8Q#) 1–0. Starr,Albert Martin – Hilliard,Michael, San Francisco MI Fall op, 2005.

4.Bb2 Bd6 (--> 3.Bb2 Bd6 4.e3 c6).

4.c4 dc4 5.Bc4 cb5 6.Bb5 Bd7 7.a4 Bc5 8.Bb2= Bb5 9.ab5 f6 10.Ne2 a6 11.0–0 Nd7 12.Nbc3 Ne7 13.d4 ed4 14.Nd4 Bd4 15.Qd4 0–0 16.Rfd1 Ne5 17.Qd8 Rfd8 18.Rd8 Rd8 19.ba6 ba6 20.Ra6 Nc4 21.Ba1 Nd5 22.Nd5 Rd5 23.g3 Rd1 24.Kg2 Rd2 25.Kf3 Kf7 26.h4 h5 27.Ra7 Kg6 28.Bc3 Rc2 29.Bb4?? Ne5–+ 30.Kg2 Nc6 31.Rb7 Rb2 32.Kf3 Rb4 33.Rb4 Nb4 34.g4 hg4 35.Kg4 f5 36.Kf3 Kh5 37.Kf4 g6 38.e4? fe4 39.Ke4 Kh4 40.f4 Kg4 41.Ke5 Nd3 42.Kf6 Nf4 43.Ke5 Kf3 44.Kf6 Kg4 45.Ke5 g5 46.Ke4 Kg3 47.Ke3 g4 48.Ke4 Nh5 49.Ke3 Kg2 50.Ke2 g3 51.Ke1 Kh1 52.Ke2 g2 53.Kf3 g1Q 54.Ke4 Qd1 55.Ke3 Qa4 56.Kf3 Qf4 57.Ke2 Ng3 58.Kd3 Qe4 59.Kc3 Ne2 60.Kd2 Kg2 61.Kd1 Kf1 62.Kd2 Kf2 63.Kd1 Qd3# 0–1. Istvanny (1650) – ravi12346, internet, 2007.

4.c4 d4 5.Bb2 Bc5 6.Qh5 Be6?? (better is 6...Qe7+=) 7.Qe5+– Bb6? (better is 7...Bf8+–) 8.c5 (8.Bd4?! Bd4 9.Qd4 Qd4 10.ed4 cb5+/–; 8.ed4?! Nf6+/–) 8...Nf6 9.cb6 Qb6 10.Bd4 Qd8 11.f4 Nbd7 12.Qg5 Rg8 13.Nc3 c5 14.Bf6 Qf6 15.Qg3 0–0–0 16.Nf3 Nb6 17.Be2 Bf5 18.0–0 Kb8 19.Ne5 Rd2 20.Rfd1 Rgd8 21.e4 Rd1 22.Rd1 Bc8 23.Rd8 Qd8 24.Qg7 Qd4 25.Kf1 Qc3 26.Nc6! bc6 27.Qc3 Bb7 28.Qc5 1–0. Baer,Cy (1895) – Bonow,Valdir (1925), CiF, 2007.

4.c4 Nf6 5.Nf3 e4 6.Nd4 c5 7.Ne2 d4 8.Ng3 h5 9.d3= Bd6 10.Ne4 Ne4 11.de4 de3 12.Be3+= Be5 13.Nd2 Ba1 14.Qa1 0–0 15.Bc5 Re8 16.Bd4 Qg5 17.Be2 Bg4 18.Bg4 Qg4 19.0–0 Nd7 20.f4 Nf8 21.f5 Rad8 22.Qc3 b6 23.h3 Qe2 24.Nf3 Qe4 25.f6 gf6 26.Re1 Qf4 27.Re8 Re8 28.Kf2 Nd7 29.g3 Qf5–+ 30.Qc1 Ne5 31.Be5 fe5 32.Kg2 Rd8 33.Qh6?? Qc2 34.Kh1 Rd1 35.Ng1 Qe4 36.Kh2 Qg6 37.Qe3 Qf5 38.h4 e4 39.Ne2 Qf3 (40.Qf3 ef3–+) 0–1. Moehring,N – Koops,R, Bled, 2005.

4.d4 Bd6 5.Nd2 Nf6 6.de5 Be5 7.Rb1 Qa5 8.Bb2 Nbd7 9.Ngf3 =.

4.a4 Nf6

5.Bb2 Bd6 6.g3 d4 7.ed4=+ ed4 8.Bd4 Qe7 9.Qe2= Qe2 10.Be2 0–0 11.Nc3 Bf5 12.d3 Bb4 13.Nf3?? Nd5–+ 14.Kd2 Re8 15.Rhe1? c5–+ 16.Be5 Bc3 17.Bc3+/– (17...Nc3 18.Kc3+–) 1–0. MasterofDisaster – cip84, Live Game Caissa's Web, 2004.

5.Bb2 e4 6.d4 Bb4 7.c3 Bd6 8.Na3 Bd7 9.c4? Ba3?? 10.Ba3 dc4 11.Bc4 cb5 12.ab5+= a6 13.ba6 Na6 14.d5?? b5 15.Bb3 Qa5 16.Qd2 Qd2 17.Kd2 b4?? 18.Bb2 0–0 19.Bf6 gf6 20.f4 ef3 21.Nf3+= Rfe8 22.Rhe1 Bg4 23.h3 Bf3 24.gf3 Re5? 25.e4 Rh5? 26.Rg1 Kf8 27.Rg3 Re5? 28.Rag1 Ke7 29.Rg7 Nc5= 30.d6 Kd6 31.Bf7 Rh5?? 32.Bh5+– Ne6 33.Rh7 Ra2 34.Ke3 Nc5 35.Rd1 Kc6 36.Be8 Kb6 37.Rd6 Ka5 38.Ra7 Na6 39.Rda6 1–0. MasterofDisaster – heliosrex, Live Game Caissa's Web, 2004.

4.Bb2 Nd7

5.Nc3 Ngf6 6.bc6 bc6 7.Nf3 Rb8 8.Rb1 Bd6 9.Be2 =+.

5.bc6 bc6 6.Nf3 Bd6 7.Nc3 Ngf6 8.Be2 0–0 9.Rb1 =+.

5.d4 Bb4 6.Nd2 ed4 7.Bd4 Ngf6 8.Ngf3 0–0 9.a3 =+.

5.d4 e4=+ 6.Ne2 Ngf6 7.Ng3 Bb4 8.Nd2 Qa5 9.c4 Bd2 10.Qd2= Qd2 11.Kd2 0–0 12.Be2 a6 13.a4 cb5 14.ab5 a5 15.Ra4?? b6?? 16.Rc1 Bb7 17.Ba3 Rfd8 18.c5 bc5 19.dc5 Ne5 20.c6 Nc4 21.Bc4 dc4 22.Ke2 Bc8 23.Rac4 Bg4 24.f3 ef3 25.gf3 Be6 26.Rc5 Nd5 27.e4 Nf4 28.Ke3 g5 29.R5c3 Rdc8? 30.b6 f5 31.b7 Rab8 32.bc8Q (32...Rc8 33.Rc5+–) 1–0. liencam2 – gambitgod, Live Game Caissa's Web, 2005.

5.Be2 Qg5 6.Bf1 Bd6 7.d4 Qg6 8.Ne2 Ngf6 9.de5 =+.

5.Nf3 Bd6 6.Be2 Ngf6 7.Nc3 c5 8.0–0 0–0 9.d3 =+.

5.f4 ef4 6.ef4 Qh4 7.g3 Qe7 8.Kf2 cb5 9.Nc3 =.

5.c4 Ngf6

6.d4 e4 7.c5 Be7 8.Nc3 0–0 9.Rb1 =+.

6.Nf3 cb5 7.cd5 e4 8.Nd4 a6 9.Qc2 Nc5 10.Nc3 b6 11.d3 ed3 =+.

6.Nf3 Qc7 7.a4 Bd6 8.h3 a6 9.Nc3 0–0 10.cd5 cd5 11.Rc1 Qb6 12.Qc2 e4 13.Nd4 Be5 14.Nb3 Re8 15.a5= Qd6 16.Nd1 Bb2=+ 17.Qb2 b6 18.ab6 Qb6 19.Rc6 Qb7?? 20.Na5+/– Qb8 21.b6 Ne5 22.Rc8!+– Rc8 23.b7 Nd3? 24.Bd3 ed3 25.ba8Q Qa8 26.Qb7 Qb7+/– 27.Nb7 Rc2 28.f3 Ra2? 29.g4 a5? 30.Nc5 a4 31.Nd3 Rc2 32.Ke2 a3 33.Nc3 Kf8 34.Ra1 Ke7 35.Kd1 Rb2 36.Nb2 ab2 37.Rb1 Kd6 38.Rb2 Kc5 39.Rb7 Kd6 40.d4 Ke6 41.h4 h6 42.Rb6 Ke7 43.Kd2 g6 44.Kd3 g5 45.h5 Ng8 46.Nd5 Kd7 47.Nf6 Nf6 48.Rf6 Ke7 49.Rh6 Kf8 50.Ke4 Kg7 51.Ra6 (51...f5 52.Kf5 Kf7 53.Ra7 Ke8 54.h6 Kf8 55.h7 Ke8 56.h8Q#) 1–0. Krueger,Bernhard – Draizi,Khalid, Baunatal op 3rd, 1997.

6.Nf3 e4 A) 7.Nd4 c5 8.Nc2 dc4 9.Bc4 Nb6 10.Be2 Bd6 11.d3 ed3=+; B) 7.cd5 ef3 8.dc6 bc6 9.bc6 Nc5 10.Qf3 Nfe4 11.Bd4 Ng5=+; C) 7.bc6 bc6 8.cd5 cd5 9.Nd4 Qb6 10.Ba3 Bd6 11.Bd6 Qd6=.

6.Nf3 Bd6

7.Qc2 Rb8 8.c5 Bc7 9.d4 e4 10.Nfd2 cb5 11.Bb5 0–0 =.

7.Qc2 Qc7 8.h3? cb5–+ 9.c5 e4 10.Nd4 Qc5 11.Qc5 Nc5 12.Nb5 Kd7 13.Nd6 Kd6–/+ 14.Ba3 b6 15.d4 ed3 16.Bd3 Ke6 17.Be2 Bb7 18.0–0 Nce4 19.Bd3 Rac8 20.f4 g6 21.Rd1 Rhd8 22.g4 h6 23.Nd2 Rc3 24.Nb3 Nc5 25.Nd4 Kd7=+ 26.Bb5 Kd6 27.Rd3 Rd3 28.Bd3 Kd7 29.Bb5 Kc7 30.Rc1 Nfe4 31.Bd3 Kb8 32.Be2 Re8 33.Bb5 Rc8 34.h4 a6 35.Be2 Ng3 36.Bf3 Nge4 37.Rb1 Ka7–/+ 38.g5 h5 39.Bg2 Re8 40.Rc1 Rc8 41.Bh3 Kb8 42.Nf3 (better is 42.Bc8 Bc8 43.Nb3 Nb3 44.ab3+=) ½–½. Otte,Marco – Capiteijns,Cees, Ext.Wag3vsVeendaal3, 1998.

7.Qc2 Qe7 8.Be2 cb5 9.cb5 Nb6 10.a4 Bg4 11.a5 Rc8 =+.

7.Nc3 e4 8.Nd4 0–0 9.d3 Ne5 10.cd5 Bg4 11.Qb1 c5 =.

7.c5 Bc7 8.Be2 e4 9.bc6 bc6 10.Nd4 Nc5 11.Nc6 Qd6 =+.

7.d4 e4 8.Nfd2 0–0 9.c5 Be7 10.Nc3 Qc7 11.bc6 bc6 =.

7.cd5 cd5 8.Be2 a6 9.Nc3 0–0 10.Rc1 Re8 11.0–0 Qe7 =.

7.Be2 dc4 8.bc6 bc6 9.Bc4 e4 10.Ng5 0–0 11.Bf6 Qf6 =+.

4.Bb2 e4

5.a3 Nf6 6.d3 Bg4 7.Be2 Be2 8.Ne2 Nbd7 9.bc6 =.

5.Nc3 Nf6 6.Nge2 Bd6 7.Ng3 Be5 8.Be2 cb5 9.Bb5 =+.

5.c4 dc4 6.Bc4 Qg5 7.Bf1 Nf6 8.Nc3 Bf5 9.d3 ed3 10.Nf3 Qg4 11.Bd3 Bd3 12.Qd3 Qg2 13.0–0–0 Nbd7 14.bc6 bc6 15.Ne4 Qg4 16.Nf6 Nf6 17.Bf6 gf6 18.Nd4 Be7 19.Rhg1 Qd7 20.Qc2 Rc8 21.f4 Ba3 22.Kb1 Rb8 23.Nb3 Qc7 24.Rd4 Be7 25.Rc1 c5 26.Rd5 Qc6 27.Rcd1 Kf8 28.Kc1 Qa6 29.Re1 c4=+ 30.Nd2 Rg8 31.Rd4 Rg6 32.Nc4= f5 33.Kd1 Rc8 34.Qd3 Qa2 35.Qc2?? Qc2 36.Kc2 Rg2 37.Kd3 Rh2 38.Rd7 Ke8 39.Rd5 h5 40.Rg1 Kf8 41.Rf5 f6 42.Ne5 Bd8 43.Nf3 Rh3 44.Nd4 Rb8 (better is 44...a5!?–/+) ½–½. Tiedemann,Joern (1810) – Kapfenstein,Armin (2125), RSS7E adv–18, 2005.

5.bc6 Nc6 6.Bb5 a6 7.Ba4 Qg5 8.g3 Nf6 9.f4 =+.

5.a4 Nf6

6.h3 a6 7.c4 ab5 8.ab5 Ra1 9.Ba1 Be6 10.Qa4 Bd6 11.f4 ef3 12.Nf3 Bg3 13.Kd1 0–0 14.Nc3 Nbd7 15.cd5 Nd5 16.Nd5= Bd5 17.Bg7+= Kg7 18.Qg4 Kh8 19.Qg3 Qf6 20.d4 Qf5 21.Nd2 Ra8= 22.Qf4 Ra1 23.Ke2 Qc2 24.e4 Qd1 25.Kf2 Ra2 26.ed5 Qd2?? 27.Qd2+– Rd2 28.Ke3 Rc2 29.bc6 bc6 30.dc6 Rc6 31.Bb5 Re6 32.Kd3 Nf6 33.Bc4 Re7 34.Rf1 Kg7 35.g4 Ra7 36.g5 Ne8 37.h4 Nd6 38.Bb3 Rb7 39.Bd5 Rd7 40.Bc6 Rd8 41.d5 Kg6 42.Rf6 Kg7 43.Kd4 Nc8? 44.Kc5 Ne7 45.h5 Ng8 46.h6 Kf8 47.Rf1 Ne7 48.d6 Nc8 49.d7 Ne7 50.Kd6 Nc6 51.Kc6 Ra8 52.Re1 (52...f5 53.g6 hg6 54.h7+–; 52.Ra1 Rb8 53.Kc7 Rd8 54.Kd8 f6 55.Ra6 fg5 56.Rf6 Kg8 57.Ke7 g4 58.d8Q#) 1–0. Liepert,Luise – Weltz,Elvira, Bayern–ch (Women), 1982.

6.h3 Bb4 A) 7.Ne2 0–0 8.Nf4 Bd6 9.Be2 Nbd7 10.0–0 Qc7 11.Nh5 Nh5=+; B) 7.Nc3 0–0 8.bc6 Nc6 9.Nge2 b6 10.Nb5 Be7 11.Ned4 Ne5=+; C) 7.Ba3 Ba3 8.Ra3 0–0 9.Ne2 a6 10.Nf4 b6 11.d4 Qd6=+.

6.h3 c5 7.d3 Be6 8.Nd2 ed3 9.Bd3 c4 10.Be2 Bb4 11.c3 Bc5 =+.

6.h3 Bd6 A) 7.Ne2 Bd7 8.Nec3 a6 9.Be2 0–0 10.0–0 ab5 11.ab5 Ra1–/+; B) 7.Be2 Be6 8.Nc3 0–0 9.a5 a6 10.ba6 Na6 11.Qb1 Nb4–/+; C) 7.Nc3 a6 8.d3 0–0 9.Be2 Be6 10.Qd2 Qc7 11.bc6 Nc6–/+; D) 7.a5 Bd7 8.d3 ed3 9.bc6 Nc6 10.Bd3 Na5 11.Nf3 Nc6–/+; E) 7.Ba3 Be5 8.c3 Bf5 9.Ne2 Bg6 10.bc6 bc6 11.Nd4 Qc7=+; F) 7.d4 a6 8.c4 dc4 9.Bc4 ab5 10.ab5 Ra1 11.Ba1 cb5=+; G) 7.f4 ef3 8.Qf3 Ne4 9.Ne2 Qh4 10.g3 Bg3 11.Ng3 Ng3–/+; H) 7.Qe2 Nbd7 8.Nc3 0–0 9.Ba3 c5 10.d4 ed3 11.Qd3 Qa5–/+; I) 7.bc6 Nc6 8.Nc3 0–0 9.Nb5 Be7 10.Ne2 a6 11.Nbd4 Bd6=+; J) 7.d3 0–0 8.Nd2 Bf5 9.de4 Ne4 10.Ne4 Be4 11.Nf3 Re8=+.

6.h3 Nbd7 A) 7.Ne2 Bd6 8.Nec3 a6 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Qa5=+; B) 7.a5 a6 8.b6 Be7 9.Nc3 0–0 10.Nge2 Bd6 11.d3 Ne5=+; C) 7.d3 Bb4 8.Bc3 Qe7 9.Bb4 Qb4 10.c3 Qa5 11.bc6 bc6=+; D) 7.Nc3 Bb4 8.Nge2 0–0 9.Rb1 c5 10.Na2 Ba5 11.Nac1 Bc7–/+; E) 7.bc6 bc6 8.Nc3 Rb8 9.Rb1 Nc5 10.Nge2 Rb4 11.Ba1 Ne6=+; F) 7.g4 a6 8.g5 Ng8 9.f4 h6 10.Qh5 Ne7 11.Ne2 Ng6–/+; G) 7.Be2 Bd6 8.d3 Ne5 9.bc6 bc6 10.Ba3 c5 11.de4 de4=+.

4.c4 cb5

5.cb5 Nf6 6.Bb2 Bd6 7.Nf3 Nbd7 8.Be2 0–0

9.0–0 Qa5 10.Nh4 Bc7 11.Nf5 Qb6 12.Qc2 Re8 13.Rc1 Bd8 14.Ba3 +=.

9.0–0 a6 10.Nc3 b6 11.Rc1 Qe7 12.Qc2 Rd8 13.d4 e4 14.Nd2 =.

9.0–0 Qb6 10.Nh4 Bc5 11.a4 Qe6 12.d4 ed4 13.Bd4 Ne4 14.Nf3 +=.

9.0–0 Qc7 10.Ba3 Ba3 11.Na3 e4 12.Nd4 Qd6 13.Nac2 Ne5 14.Rb1 =.

9.0–0 e4 10.Nd4 Re8 11.Nc3 Qc7 12.Rc1 Bh2 13.Kh1 Be5 14.Ne4 =.

9.0–0 Re8 10.d3 Qc7 11.g3 Nf8 12.Nbd2 Bh3 13.Re1 Qe7 14.Bf1 Bg4 15.Qb3 Ng6 16.Bg2 h6 17.a4 Be6 18.Qd1 Rac8 19.h3 Rc7 20.Rc1 Rec8 21.Rc7 Qc7 22.Nf1 Qc2 23.Qb1? Qa4–+ 24.Qa1 Qb5 25.Be5 Ne5 26.Ne5 Be5 27.Qe5 Qd3 28.f4 Qc3 29.Rb1 b6 30.Qd6 Ne4 31.Be4 de4 32.Qe7 Qc2 33.Rb4 Bh3 34.Qe4 Qe4 35.Re4 Rc1 36.Re8 Kh7 37.Ra8 Bf1 38.Ra7 Bc4 39.Kf2 b5 40.Rb7 h5 41.e4 Rd1 42.e5 Kg6 43.Rb8 Kf5 (44.Rg8 g6–+) 0–1. Starr,Albert – Bacelar,Erickson (1750), Spring TNM San Francisco, 2006.

9.a3 A) 9...e4 10.Nd4 Qc7 11.Nc3 Bh2 12.Qb3 Be5 13.Nd5 Nd5 14.Qd5=; B) 9...Ng4 10.h3 Ngf6 11.0–0 a6 12.Nc3 Qe7 13.Qc2 Re8 14.d4=; C) 9...Re8 10.Nc3 Nb6 11.d4 e4 12.Nd2 Bf5 13.a4 Rc8 14.a5=+.

9.Ba3 Ba3 10.Na3 Qa5 11.Qc1 e4 12.Nd4 Ne5 13.Qc3 Qc3 14.dc3 =.

9.a4 e4 10.Nd4 Ne5 11.a5 Qc7 12.Ra4 Ned7 13.f4 Nc5 14.Ra3 =+.

9.Qc2 A) 9...a6 10.0–0 ab5 11.Bb5 Ra5 12.a4 e4 13.Nd4 Nc5 14.Ba3=; B) 9...Ng4 10.Nc3 Ndf6 11.h3 Nh6 12.g4 Re8 13.g5 d4 14.Nb1+/–0.97; C) 9...e4 10.Nd4 Nc5 11.Nc3 Qc7 12.Rc1 Bd7 13.Na4 Rfc8 14.Nc5=+.

9.Nc3 A) 9...Nb6 10.d4 e4 11.Nd2 Be6 12.a4 Rc8 13.a5 Nbd7 14.a6=; B) 9...Qb6 10.0–0 Re8 11.Rc1 e4 12.Nd4 a6 13.Na4 Qa7 14.ba6=; C) 9...e4 10.Nd4 Be5 11.d3 Nc5 12.de4 de4 13.Rc1 Ne6 14.Nf5=.

9.d4 e4 10.Nfd2 Re8 11.Ba3 Nb6 12.Bd6 Qd6 13.0–0 Be6 14.Nb3 =.

4.d4 e4

5.a3 Bd6 6.Nd2 Qh4 7.c4 Nf6 8.c5 Bc7 9.g3 =+.

5.c3 Nf6 6.Ba3 Ba3 7.Na3 Qa5 8.Qb3 a6 9.bc6 =+.

5.c4 cb5 6.cb5 Bb4 7.Bd2 Be7 8.Qa4 Nd7 9.Bb4 =.

5.bc6 Nc6 6.c4 dc4 7.Bc4 Qg5 8.g3 Nf6 9.Qb3 =+.

5.Qd2 a6 6.ba6 Na6 7.Ba3 Ba3 8.Na3 Nf6 9.c4 =+.

5.Bd2 Nf6 6.c4 Be7 7.Qb3 0–0 8.cd5 Nd5 9.Nc3 =+.

5.Nd2 Nf6 6.c4 cb5 7.cb5 Bb4 8.Qa4 Bc3 9.Rb1 =+.

5.f3 Bd6–/+ A) 6.g3 Nf6 7.c4 dc4 8.Bc4 cb5 9.Bb5 Bd7 10.Bd7–/+; B) 6.Qd2 Qh4 7.Qf2 Qf2 8.Kf2 Nf6 9.Ba3 Bc7 10.c4=+.

5.f3 f5 6.Ba3?? Qa5 7.Qd2=+ Qd2 8.Kd2 Ba3 9.Na3= Nf6 10.c4 0–0 11.Nh3 a6 12.bc6+= bc6 13.Nf4 g5 14.Ne2 (14...Nbd7 15.f4+=). bonaparte (2155) – hasant (1915), net–chess.com, 2008.

4.Nf3 Bg4

5.Bb2 Bd6=+ 6.h3 Bf3 7.Qf3 Qf6 8.c4 Nd7 9.cd5 =.

5.Nc3 e4=+ 6.h3 Bf3 7.gf3= Nf6 8.Bb2 ef3 9.Qf3 Bc5 10.0–0–0 Qa5 11.Rg1 Bf8 12.h4 Nbd7 13.h5 0–0–0 14.h6+/– Rg8 15.hg7 Rg7 16.Ne2?? Rg1–/+ 17.Ng1 Qa2 18.bc6?? bc6 19.Nh3?? Ba3–+ (20.Ba6 Kc7–+) 0–1. Vettenburg,Louis – Ciruelos Clerencia,Juan Manuel, corr ICCF, 1984.

5.h3 Bf3 6.Qf3 Bd6 7.Bb2 Qf6 8.c4 Nd7 9.cd5 =.

4.h3 Nf6

5.Bb2 Bd6 6.Nf3 e4 7.Ne5 0–0 8.f4 ef3 9.Qf3.

5.Nf3 Bd6 6.d4 e4–/+ 7.Ng5? 0–0 8.Be2? Re8 9.a4 Be6?? 10.h4 cb5 11.Bb5 Re7 12.f3 ef3 13.Bd3? fg2–+ 14.Rg1 Bg3 15.Kd2 Bg4 16.Be2 Ne4 17.Ne4–/+ Qa5?? 18.Nec3 Bh3 19.h5?? Nc6 20.Bg4 Bf2–+ 21.Bh3 Be3 22.Kd3 Qa6?? 23.Nb5=+ Nb4?? 24.Kc3+/– Qa5 25.Rg2 Na2= 26.Kb3 Nb4?? 27.Re2 Rd8 28.Be3 a6 29.N5a3 Nc6 30.Bd2 Nd4 31.Ka2 Qc5 32.Rg2 b6 33.Bh6 g6 34.Bg5 Rde8 35.Be7 Re7 36.hg6 hg6 37.Bg4 b5 38.Bh5 b4 39.c3! bc3 40.Nc2 Qc4 41.Ka3 Qb3 +–. Eries – pieeater, ChessWorld.net, 2009.

5.Nf3 Nbd7 6.Bb2 Bd6 7.a3 0–0 8.a4 Qc7 9.d4 e4 10.Ng1 Nb6 11.a5 Nbd7 12.Be2 a6 13.b6=+ Qd8 14.c4 Bb4 15.Bc3 Bc3 16.Nc3 Re8 17.c5 Nf8 18.f3 Ng6 19.f4= h6 20.h4 Nh7 21.g4 Nhf8 22.h5 Ne7 23.g5 hg5–/+ 24.fg5 Ne6 25.g6 fg6 26.h6 gh6 27.Rh6? Kg7 28.Rh1? Nf5–+ 29.Qc1? Qg5 30.Qd2 Qe3 31.Qc2 Nfd4 32.Qd2 Qd2 33.Kd2 Ne2 34.Nge2 Nc5 35.Ke3 Bf5 36.Rag1 Rh8 37.Rh8 Rh8 38.Ng3 Rh3 39.Kd4 (39...Nb3 40.Ke5–+). Eries – nickbarletta, ChessWorld.net, 2009.

5.Nf3 e4 6.Nd4 c5 7.Nb3 Bd6 8.Bb2 Be6 9.Be2.

5.Nf3 e4 6.Ne5 =+.

3.e3 Bd6

4.a3 a6 5.Bb2=+ ab5 (5...Nf6 6.Nc3=+) 6.Bb5 (6.f4 Nd7=+) 6...c6 (6...Bd7 7.Nc3 Nf6 8.Nf3=+) 7.Be2 Ne7 8.Nf3 (better is 8.d4 Qb6 9.Bc3=+) 8...0–0 (better is 8...e4!? 9.Nd4 b5=+) 9.Be5+= Bc7 (9...Be5 10.Ne5 f6 11.Nf3+=) 10.0–0 (10.Bc7 Qc7 11.Nc3 Qd6+=) 10...f6 (10...Be5 11.Ne5 f6 12.Nf3+/–) 11.Bc7+/– Qc7 12.Nc3 (12.c4 Be6 13.Nd4 Bf5+/–) 12...f5 (12...b6 13.Re1+/–) 13.d4 (13.Re1 b6+/–) 13...Rf6 (13...Nd7 14.Qd2+/–) 14.Ng5 (14.Re1 Qd6+/–) 14...Rg6 (14...Qd6 15.a4+/–) 15.f4 (15.Nh3 Rf6+/–) 15...Na6 (15...Qd6 16.Bh5 Rf6 17.a4+=) 16.Bh5 (16.Ba6 Ra6 17.Qh5 h6+/–) 16...Rh6 (16...Rf6 17.Qd3+=) 17.g3 (better is 17.Bf7 Kh8 18.Ne2+/–) 17...c5? (17...Rf6 18.Be2+=) 18.Nb5 (better is 18.Bf7!? Kh8 19.Nd5+–) 18...Qc6+/– 19.Rb1 cd4 20.Nd4 Qa4 21.Nf5?? Bf5=+ 22.Rb7 Bc2 23.Qa1+/– Nf5? 24.Bf7+– Kh8 25.Qe5?? Be4= 26.Bd5 Qc2?? 27.Nf7 Kg8 28.Nh6 Kf8 29.Rf7# 1–0. trex1 – jonte, Live Game Caissa's Web, 2005.

4.c3 Nf6 5.Qa4 0–0 6.Qh4 (6.d4 Nbd7–/+) 6...c5 (6...a6 7.d4–+) 7.Nf3 (7.c4!?–/+) 7...e4 8.Ng5 h6 9.Nf7? (better is 9.Nh3–+) 9...Rf7 10.Rg1 Qf8 11.f4 Ng4 12.h3 Nh2 13.g4?? (13...Nf3 14.Kd1 Nh4 15.Be2–+; better is 13.Be2–/+). solidsteel – storm8, Live Game Caissa's Web, 2005.

4.Nc3 Nf6 5.Nf3 c5 6.bc6 Nc6 7.Bb5 (7.Nb5 Be7–/+) 7...a6 8.Bc6 bc6 9.0–0 0–0 10.Rb1 e4 11.Nd4 Ng4 12.Nc6?? (better is 12.h3 Nh2 13.Re1–+) 12...Bh2 13.Kh1 Qh4 14.g3 (14.Qg4 Bg4 15.Ne7 Kh8 16.Nf5 Bf5 17.Rd1 Bg3 18.Kg1 Qh2 19.Kf1 Qh1 20.Ke2 Bg4 21.f3 Qg2#) 14...Bg3 (15.Kg2 Qh2#) 0–1. 32qaz – grl, Live Game Caissa's Web, 2004.

4.Be2 Be6 5.Nf3=+ Nd7 (5...Nf6 6.0–0=+) 6.0–0 h6 (6...e4 7.Nd4=+) 7.d3 (7.Ba3 Ndf6=) 7...a6 (7...Qf6 8.Nbd2=+) 8.c4 (8.Ba3 Ba3 9.Na3 Qe7=) 8...ab5 9.cb5 Ngf6 10.Bb2 0–0 11.Qc2 Qe7 12.h3 Rfc8 13.Nbd2 c5 14.a4 b6 15.Rfc1 Ra7 16.e4 (16.Bc3 Rca8=+) 16...Rca8–/+ 17.ed5 Nd5 18.Ne4 Nf4 19.Bf1 (19.Re1 Bd5–/+) 19...Bc7 20.Nfd2 (20.Re1 f5 21.Nc3 Qd6=+) 20...Nf6 (20...Qh4 21.Nf3 Qh5 22.Nfd2–/+) 21.Nc4=+ Ne4 (21...Bd5 22.Re1=+) 22.de4 Qg5 23.Kh2 Bc4 (23...Qf6 24.Rd1=) 24.Qc4= Ne6 25.Rc3 (25.Be2 Nd4 26.Bd3 Qf4 27.Kg1 Ra5=) 25...Nd4 26.Rg3 (26.Bd3 Qd2 27.Ra2 Qf2–/+) 26...Qf6 (26...Qd2!? 27.Ra2 Qf2 28.Bd4 Qd4–/+) 27.Kg1= Qe6 28.Qe6 Ne6 29.Rga3 Nd4 30.Bd3 Bd6 31.Bd4 (31.Bc4!?=+) 31...ed4–/+ 32.Bc4 Kf8 33.Kf1 Ke7 34.Ke2 f6 (34...Ra5 35.Rf3 f6 36.Rfa3–/+) 35.Kf3 (35.Kd1 g6=+) ½–½. Dubleumortier – Martello, corr 3GMM–37, 1996.

4.Be2 Qg5 5.Bf3 e4 6.h4 –+.

4.Nf3 Nf6 =+.

4.g3 Nf6 5.Bb2 Bg4 6.f3 Be6 7.Bg2 c5 8.Ne2 0–0 9.0–0 Qd7 10.f4 e4 11.Bf6 gf6 12.c3? (12.Nbc3 f5 13.d4 c4=+) 12...Bh3 (better is 12...Qb5!? 13.f5 Bd7–+) 13.a4 Bg2 14.Kg2 f5 15.h4 (15.c4!?=+) 15...Qe6 16.Kh2 h5 17.Ng1 Nd7 18.Qh5 Qg6 19.Qe2 Kh7 20.Nh3 f6 21.h5 Qg4 22.Qg4 fg4 23.Nf2 f5 24.Kg2 Kg7 25.Na3 Rh8 26.Rh1 Rh6 27.d4 c4 28.Nc2 Rah8 29.Kf1 Nf6 30.a5 Nh5 31.Kg2 Kf7 32.Rh4 Be7 33.Rh2?? Nf4!–+ 34.ef4 Rh2 35.Kf1 Rf2! 36.Kf2 Rh2 37.Ke3 Rc2 38.b6 Rc3 39.Kf2 a6 40.Rh1 Kg6 41.Rh8 Bf6 42.Rg8 Kf7 43.Rb8 Bd4 44.Kg2 Rc2 45.Kf1 e3 46.Rb7 Ke8 47.Rb8 Kd7 48.Rb7 Kc6 49.Re7–+ Rf2 50.Ke1 Bc3 51.Kd1 e2! 52.Re2 Re2 53.Ke2 Ba5 54.b7 Kb7 55.Ke3 c3 56.Kd4 c2 57.Kd5 c1Q 58.Ke5 Qc5 59.Kf6 Bc3 60.Kg5 Qd5 61.Kg6 Qe6 62.Kh5 a5 63.Kh4 Qh6 0–1. MasterofDisaster – uncletom, Live Game Caissa's Web, 2004.

4.a3 Nf6

5.Nf3 –/+.

5.h3 0–0 6.d3 a6 7.ba6 Na6 8.Nf3 e4 9.Nd4 Be5 10.Bb2 Re8 11.Be2 (11.Ra2 c5 12.Nb3 d4 13.de4 Ne4–+) 11...c5 12.0–0 cd4 13.Bd4 Bd4 14.ed4 Qb6 15.de4 Ne4 16.Bf3 Bf5 17.c3 (17.Be4 Re4 18.Qf3 Qe6–+) 17...Qb2 18.Be4 de4 (18...Qa1?! 19.Bf5 Qb2 20.Qc1–+; worse is 18...Re4 19.Nd2 Ree8 20.Qc1–+) 19.Nd2 Qc3 20.Rb1 (20.Nb3–+) 20...e3 21.fe3 Bb1 22.Nb1 Qe3 23.Kh1 Rad8 24.d5 Nc5 25.d6 (25.Qd2 Qd2 26.Nd2 Rd5–+) 25...Ne4 26.Kh2 Qg3 27.Kg1 Rd6 28.Qf3 (28.Qa4 Rde6 29.Qd1 Qc7–+) 28...Qf3 29.gf3 Rg6 30.Kh2 Ng3 31.Rf2 Re1 32.f4 Nf1 33.Rf1 Rf1 34.Nc3 (34.h4 Rb1 35.h5 Ra6 36.Kg3 Ra3 37.Kh4 Rh1 38.Kg4 Rg1 39.Kh4 f5 40.h6 gh6 41.Kh5 Rh1) 34...Rfg1 35.h4 R1g2 36.Kh1 R2g4 37.Ne4 (37.Kh2 Rh4) 37...Rh4 0–1. peteywheatstraw – amstersofia (2160), gameknot.com, 2015.

4.Bb2

4.Bb2 (--> 3.Bb2 Bd6 4.e3).

4.Bb2 b6 5.c4 Nf6 (--> 3.Bb2 Bd6 4.e3 Nf6 5.c4 b6).

4.Bb2 Nd7 (--> 3.Bb2 Nd7 4.e3 Bd6).

4.Bb2 Nd7 5.Nf3 (--> 3.Bb2 Bd6 4.Nf3 Nd7 5.e3).

4.Bb2 Ne7 5.Nf3 f6 6.Be2 0–0 7.0–0 Be6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Bd6 6.Be2 Ne7 7.0–0 0–0).

4.Bb2 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Bd6).

4.Bb2 Nf6 (--> 3.Bb2 Bd6 4.e3 Nf6).

4.c4 Nf6

5.cd5 Nd5 6.Nc3 Be6 =+.

5.cd5 Nd5 6.Nf3 0–0 7.Nc3 Be6 8.Ne4 Be7 9.d4 c6 10.de5 cb5 11.Be2 Nc6 12.0–0 b4 13.Bb2 a5 14.Qb1 h6 15.Rd1 a4 16.Nd4 Nd4 17.Bd4 Qa5 18.Bf3 Rac8 19.Qd3 Rfd8 20.Qe2 Nc3 21.Nc3 bc3 22.Bb7 (22...Rb8 23.Rdb1+=). Maec,Michael – Jenull,Marco, R.–Tobies–Gedenkturnier–B, 2003.

5.Nf3 e4–/+ 6.cd5? ef3–+ 7.gf3 Nd5 8.Rg1 Qf6 9.d4 Bh2 10.Rg2 Bd6 11.Ba3 Bh3 12.Rg1 Ba3 13.Na3 Bf1 14.Kf1 a6 15.e4 Nc3 16.Qd3 Nb5 17.e5 Qb6 18.Nc2 Nc6 19.Re1 0–0–0 20.d5 Ne7 21.d6 cd6 22.Qc4 Nc6 23.Rg7 de5 24.Qg4 Kb8 25.Qg5 Nd6 26.f4 Qb5 27.Kg2 Qd5 28.f3 Ne8 29.Ne3 Qa2 30.Kg3 Ng7 31.Qg7 Rhg8 32.Nf5 ef4 33.Kg4 Qh2 34.Kg5 Rg7 35.Ng7 Qg3 36.Kf6 Qg6 0–1. Taulien,Christian – Taulien,Hans_Juergen, remoteschach.de, 2002.

5.Nf3 e4–/+ 6.Nd4 –/+.

3.e3 Bd7

4.a4 a5 5.Be2 Nf6 6.Nf3 e4 7.Nd4 Bc5 8.Nb3 Ba7 9.0–0 0–0 10.Bb2 Bb6 11.d4 Bf5 12.f4 ef3=+ 13.Bf3 Re8 14.Re1 c6 15.Nc3 Nbd7 16.Qd2 Rc8 17.Rac1 Qe7 18.Nb1 h6 19.Re2 Bc7 20.Rf2 cb5 21.ab5 b6 22.Re1 Bd6 23.Bd5? Bc2 (24.Nc3 Nd5 25.Nd5 Qh4–+; 23...Rc2 24.Rf5 Rd2 25.N3d2 Nd5 26.Rd5 Bh2 27.Kf1 Bg3–+) 0–1. Neffgen,Dieter – Heineccius,August, R.–Tobies–Gedenkturnier–D, 2003.

4.a4 Nf6 5.d4 ed4 6.Qd4 =+.

4.Bb2 a6 5.ba6 ba6 (5...Na6 6.Be5 Nf6 7.Nc3+=) 6.Be5+/– Nc6 7.Nf3 f6 (7...Nf6 8.c4+/–) 8.Bb2 Bd6 (8...Rb8!? 9.Qc1 Nh6+/–) 9.c4+/– dc4 10.Bc4 Nge7 11.0–0 Na5 12.Be2 Be6 (12...Rb8 13.Bc3 c5 14.d4+–) 13.Qa4 Nac6 14.d4 (14.Nd4 Bd7 15.Nc3 Nd4 16.Qd4 Rb8+–) 14...0–0 15.Bc4 Bc4 16.Qc4 Kh8 17.e4 Qd7 18.Nbd2 Ng6 19.Rab1 Nf4 20.g3 Na5 21.Qc2 Nh3 22.Kg2 Ng5? (better is 22...Rab8+–) 23.Ng5 fg5 24.d5 Rab8 25.Nf3 Qg4 (25...g4 26.Ng5 Rbe8 27.Bc3+–) 26.Nd4 Kg8 27.f3 Qh5 28.Ne6 Rf7 29.e5 Be7 30.Qc7 Rb5 31.d6 Bd6 32.Qd6 h6 33.Qd8 (33.Qd8 Kh7 34.a4+–) 1–0. Taulien,Hans_Juergen (2350) – Tiedemann,Joern (2125), remoteschach.de, 2002.

4.Bb2 Bd6 5.Nf3 f6 6.c4 Ne7 7.Nc3 Be6 8.cd5 Nd5 9.Qb3 Nf4 10.Qa4 Nd5 11.Bc4?? Nb6–+ 12.Be6 Na4 13.Na4 Nd7 14.0–0 Qe7 15.Bd5 Rb8 16.d4 e4 17.Nd2 f5 18.Kh1 Nb6 19.Nb6 ab6 20.f3 Ba3 21.Rab1 Bb2 22.Rb2 Qd6 23.fe4–/+ fe4 24.Be4 g6 25.Nc4=+ Qe6 26.Bd3 Rf8–/+ 27.Rf8 Kf8 28.Rf2 Kg7 29.Ne5 Rf8 30.Rc2 Qd6 31.h3 Kh6 32.Bc4 Kg7 33.Bd3–/+ Qa3?? 34.Rc7+/– Kh6 35.Rc2 Qb4 36.Rc1 Qd2 37.Rc2 Qe1 38.Kh2+= Re8 39.Ng4 Kg5 40.Ne5 Qe3 41.Re2=+ Qf4 42.g3= Qf8 43.h4 Kh6=+ 44.Ng4? Kh5?? 45.Re8+– Qa3 46.Nf6 Kh6+– 47.Rh8 Kg7+/– 48.Rh7 Kf6 49.Bc4 Qb2 50.Kh3 Qd4 51.Bb3 Qc5 52.Rb7?? Qc8–+ 53.g4 Qb7 54.Kg3 Qc7 55.Kf3 Qc5 56.Kf4 Qb5 57.Ke4 Qe2 58.Kf4 Qf2 59.Ke4 Qh4 60.Kd5 Qg4 61.Kc6 Qb4 62.Bd5 Qc5 63.Kb7 Qd5 64.Kb6 0–1. Istvanny – milo418, internet, 2007.

4.Bb2 e4!? =.

4.Bb2 Qf6 5.f4+= Bd6 6.Nf3 a6?? 7.fe5+– Be5 8.Be5 Qg6 9.ba6 Ra6 10.Ba6 Na6 11.g3 (11...f6 12.Bc3+–; better is 11.0–0!? Ne7+–) 1–0. MasterofDisaster – OUST, Live Game Caissa's Web, 2004.

3.e3 Be6

4.Bb2 Nd7

5.Nf3 Bd6 6.d3 h6 7.Nbd2 c5 8.bc6 bc6 9.c4 Qa5 10.cd5 cd5 11.Be2 Ne7 12.0–0 0–0 13.Nb3 Qc7 14.Rc1= Qb8 15.Nfd2 e4 16.g3 ed3 17.Bd3 Be5 18.Ba3 Bf6 19.Rb1 Qe5 20.Bb2+= Qd6 21.Bf6 Nf6 22.Be2 (22.Nd4 Nc6+=) ½–½. Kordel,Mathias – Lutzka,Holger, NRW–chT U18 Germany, 1994.

5.Nf3 Bd6 6.Be2 f6 7.0–0= Ne7 8.d4 c5 9.dc5 Nc5=+ 10.a4 0–0 11.Nbd2 Rc8 12.c3 Kh8 13.Nb3 Qd7 14.Nc5=+ Rc5 15.Ne1 Nc8 16.f4 Nb6 17.g3 Nc4–/+ 18.Bc4 Rc4 19.Qd2 Rfc8 20.Ng2 Bb4 21.Rfc1? Ba5–+ 22.Ra3 Qc7 23.Kf2 d4! 24.ed4 ed4 25.Qd3 dc3 26.Ba1 Qc5 27.Ne3 Qa3 28.Nc4 Qc1 29.Na5 Qa1 30.Qc2 Qb2 (31.Qb2 cb2 32.g4 Rc2 33.Ke3 b1Q 34.f5 Qe1 35.Kd4 Qd2 36.Ke4 Bd5#) 0–1. Del Val,Josefa (1795) – Zier,Verena (1905), II Open internazionale, 2008.

5.Nf3 f6 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.Nf3 Nd7).

5.Nf3 f6 6.d4 (--> 1.b4 e5 2.Bb2 f6 3.b5 d5 4.e3 Be6 5.d4 Nd7 6.Nf3).

3.e3 Nf6–/+

4.a3 Bd6 5.c3 (5.Bb2 0–0 6.Nf3 Re8 7.Be2 a6 8.Nc3 c6 9.a4 Qc7–/+; 5.Be2 a6 6.Bb2 ab5 7.Bb5 c6 8.Be2 b5 9.Nf3 Qc7–/+) 5...0–0 (5...Be6 6.Nf3 0–0 7.Be2 a6 8.ba6 Na6 9.0–0 e4–/+) 6.h3 (6.d4 Nbd7 7.Be2 c6 8.bc6 bc6 9.Nf3 e4–/+) 6...a6 (6...Nbd7 7.Nf3 Re8 8.Be2 a6 9.ba6 b6–/+) 7.d4 ab5 (7...e4 8.ba6 b6 9.Nd2 Na6–/+) 8.Bb5 (8.de5 Be5 9.Nf3 Bd6 10.Bb5 Bd7–/+) 8...c6 (8...e4 9.Qb3 c6–/+) 9.Bd3 (9.de5 A) 9...cb5?! A1) 10.ed6 A11) 10...Nc6 11.Ne2= (11.Qb3 Ne5 12.Nf3 Nd3 13.Ke2 Ne4 14.Rf1 Nec5–/+) 11...Qd6 12.Qb3 Qc5 13.0–0 Bf5 14.Nd4 Bd3=; A12) 10...Qd6 11.Qd3 Nbd7 12.Nf3 Nc5 13.Qd1 Bf5 14.0–0 Bd3+=; A2) 10.ef6 Qf6 11.Qd5 Nc6 12.Nf3 Nb4 13.cb4 Qa1 14.Qd6 Qb1+=; B) 9...Be5 B1) 10.Nf3 Bd6–/+ (worse is 10...cb5 11.Ne5 Nc6 12.Nf3+= Bf5 13.0–0 Re8 14.Nd4 Nd4=) 11.Bd3 Na6 12.0–0 Nc5 13.Bc2 b5 14.Nbd2 Re8–/+; B2) 10.Bd3 Qa5 11.Bd2 Ne4 12.Qc2 f5 13.Nf3 Bf6 14.0–0 b5–/+; 9.Be2 A) 9...e4 10.a4 (10.Qc2 b5 11.a4 Bd7 12.Nd2 Ra4 13.Ra4 ba4 14.Qa4 c5–/+) 10...Nbd7 11.Ba3 c5 12.Bb5 Qc7 13.Ne2 b6 14.Nd2 Ba6+=; B) 9...Nbd7 10.Nf3 (10.de5 Ne5 11.Nf3 Nf3 12.Bf3 b5 13.Bb2 Bf5 14.Nd2 Qe7–+) 10...e4 11.Nfd2 b5 12.0–0 Qa5 13.Bb2 Nb6 14.Nb3 Qa7–/+; 9.Bf1 A) 9...e4 10.c4 (10.a4 Nbd7 11.Ba3 c5 12.Ne2 b6 13.c4 dc4 14.Nd2 Ba6–/+) 10...dc4 11.Bc4 b5 12.Bb3 Nd5 13.Qc2 Re8 14.Bd2 Qg5–/+; B) 9...Nbd7 10.Nf3 (10.de5 Ne5 11.Nf3 Ne4 12.Nfd2 Bf5 13.Ne4 Be4 14.Nd2 Bd3–+) 10...b5 11.de5 Ne5 12.Nd4 Ne4 13.Nd2 Nc5 14.N2b3 Na4–+) 9...e4 (9...Nbd7 10.Bc2 (10.Ne2 e4 11.Bc2 b6 12.Nd2 Ba6 13.0–0 Qe7 14.Bb3 Bd3–/+) 10...e4 11.Ne2 Qa5 12.Nd2 b6 13.Nb3 Qb5 14.Nd2 Ba6–/+) 10.Be2 (10.Bc2 b6 11.Ne2 Nbd7 12.Nd2 Ba6 13.0–0 Qe7 14.Bb3 Bd3–/+) 10...c5 (10...b5 11.Nd2 Nbd7 12.Bb2 Nb6 13.Qc2 Be6 14.Rb1 Ba3–+) 11.Bb5 (11.dc5 Bc5 12.Nd2 Qc7 13.Bb2 Rd8 14.Nb3 Bd6–/+) 11...cd4 (11...Bd7 12.dc5 Bc5 13.Be2 Qc7 14.Bb2 Ba4–+) 12.ed4 Na6 (12...Qb6 13.a4 Bd7 14.Bd7 Nbd7–/+) 13.Ne2 (13.Qb3 Nc7 14.Bg5 Ra5–/+) 13...Nc7 14.Ba4 Nh5 (14...b5–/+) 15.g4 Nf6 16.Bf4 h5 (16...Bf4 17.Nf4 Qd6 18.Ne2–/+) 17.g5 (17.Bd6!? Qd6 18.gh5 Nh5 19.Bb3+=) 17...Nh7–/+ 18.h4 Bf4 19.Nf4 Bg4 20.Qb3? (better is 20.Qc2 Qd6 21.Nh3–+) 20...Qd6 21.Ne2 Be2 22.Ke2 Qa6 23.Ke3 (23.c4 dc4 24.Qg3 c3 25.Ke1 Qa4 26.Qc7–+) 23...Qd3 24.Kf4 Qf3 25.Ke5 Rad8 26.Qb6 (26.Bd7 Rd7 27.Qb6 Re8 28.Qe6 Re6) 26...f6 27.gf6 gf6 28.Qf6 Qf6 0–1. peteywheatstraw – deutschlandcup (2510), gameknot.com, 2012.

4.a3 Bf5 5.Bb2 (5.Nf3 Bd6 6.Bb2 Nbd7 7.Be2 0–0 8.0–0 Qe7 9.Nc3 c5+=) 5...Bd6 6.Nf3 Nbd7 7.Be2 0–0 8.0–0 Qe7 9.Nc3 c5 +=.

4.a4 a6 5.c4 (5.Bb2 Bd6=+) 5...ab5–/+ 6.cb5 Bd6 7.Nf3 Be6 (7...Bg4 8.d3–/+) 8.Nc3 Nbd7 9.Ba3 0–0 10.Be2 Qe7 11.Bd6 Qd6 12.0–0? (12.d4 e4 13.Nd2 Rfc8=+) 12...c5?? (better is 12...d4–+) 13.bc6= bc6 14.a5? (14.d4 e4 15.Ng5 Ra5=) 14...Qb4?? (better is 14...d4 15.ed4 ed4–+) 15.a6= c5 16.Qc2 c4 17.Rfb1 Qd6 18.Qa4 Nc5 19.Nb5 Qa6 20.Qa6 Ra6 21.Ra6 Na6 22.Ne5 Rb8 23.Nc3 Rb1 24.Nb1 Nb4 25.Nc3 Kf8 26.d3= cd3 27.Nd3 Nd3 28.Bd3 Ke7 29.f3 Kd6 30.Nb5 Kc5 31.Nd4 h6 32.Ne6 fe6=+ 33.Kf2 e5 34.h3 g5 35.Kg3 Kb4 36.h4 Kc3 37.Bf5 d4 38.ed4 ed4 39.hg5 hg5 40.f4 Nh5 41.Kg4 Nf4 42.Kg5 Ng2 43.Kf6 Nh4 44.Be4 Kd2 45.Kg5 Ke3 46.Bb1 Nf3 47.Kf6 Nd2 48.Bc2 Nc4 49.Ke6 Na3 50.Bg6 Nc4?? 51.Kd5?? Nd2 52.Bh7 d3?? (better is 52...Nf3–+) ½–½. whhodson – KingHiram, Live Game Caissa's Web, 2004.

4.a4 Bg4 5.f3 (5.Be2 Be2 6.Ne2 Bd6=) 5...Be6 6.Ne2 a6 (6...Bd6 7.d4–/+) 7.Nec3 (7.Bb2!? Bd6 8.f4–/+) 7...d4 8.ed4 ed4 9.Ne4?? (better is 9.Ne2 d3 10.cd3 ab5 11.Bb2–+) 9...Ne4 10.fe4 (10.g3 Nc5 11.Bb2–+) 10...Qh4 11.g3 Qe4 12.Kf2 (12.Qe2 Qh1 13.Bb2 ab5 14.ab5 Ra1 15.Ba1 Qd5–+) 12...Qh1 13.Bg2 (13.Qh5 Nd7 14.ba6–+) 13...Qd1 (14.Ba3 Ba3 15.Ra3 Qb1 16.ba6 Na6–+) 0–1. steelknight – Caissa, Caissa's Web, 2004.

4.Bb2 a6 5.ba6 Na6 6.Be5 Nc5 7.Bd4 (7.Nc3 Be7+=) 7...Nce4 (7...Ne6 8.Be5=) 8.f3 Nd6 9.g3 Be7 10.Bg2 0–0 11.Ne2 Nb5 12.Be5 c5 13.c3 Nd7 14.c4 (14.f4!?=) 14...dc4 15.Bc3 Bf6 16.Qc2 (16.Bf6 Nf6 (< 16...gf6 17.f4+=) 17.f4 Re8–/+) 16...Na3 (better is 16...Nc3 17.dc3 Re8–/+) 17.Qe4?? (17.Na3 Ra3 18.f4 b5=+) 17...Nb1 (better is 17...Re8 18.Qf5 Ne5–+) 18.Qb1 b5?? 19.f4 b4?? 20.Ba8 bc3+/– 21.Nc3 Bc3 22.dc3 Qe7? 23.Qc1 Nf6 24.Bf3 Bg4 25.Bg4 Ng4 26.Ke2 Re8 27.Kf3 Ne3 28.Re1?? Qe4 29.Kf2 Ng4 30.Kg1+– (30...Ne3 31.Qd2+–) 1–0. MasterofDisaster – charleshouston, Live Game Caissa's Web, 2004.

4.Bb2 c6 5.Be5 Nbd7 6.Bf4 Be7 7.Nc3 0–0 8.bc6 bc6 9.Rb1 Nc5 (9...Re8 10.Be2+=) 10.Nf3 Bg4 11.h3 Bh5 12.g4 Bg6 13.Ne5 Nfe4 (better is 13...Qe8!?+/–) 14.Nc6+– Qd7 (14...Nc3 15.dc3 Qe8 16.Ne7 Qe7 17.Qd5 Be4+/–) 15.Ne7 Qe7 16.Nd5 Qd7 (16...Qh4 17.Rh2 Qd8 18.Bc4+–) 17.Bc4 Kh8 (17...Rac8 18.d3 Nd6 19.Bd6 Qd6 20.f4+–) 18.d4 (18.d3!? Nd6 19.Bd6 Qd6+–) 18...Ne6 19.Qe2 (better is 19.Rb4+–) 19...Nf4+/– 20.ef4 (< 20.Nf4 Nc3 21.Ng6 fg6–+) 20...Rae8 21.0–0 (21.f5 Nc3 22.Nc3 Qd4 23.Nd1 (23.fg6 Qc4 24.Rb3 Re2 25.Ne2 Qc2–/+) 23...Re2 24.Be2+–) 21...Nd6? (21...Nc3 22.Qd2 Nb1 (22...Nd5? 23.Bb5 Qd6 24.Be8+–) 23.Rb1 Rc8+=) 22.Ne3 Nc4 23.Qc4 Rc8 24.Qb4 Rfd8?? 25.f5 Qd4 26.fg6 hg6 27.Qb7 Qf6 28.Rfd1 Re8 29.Rd7 Rf8 30.Qd5 Rcd8 31.Rbb7 Rd7 32.Rd7 Qf4 33.Ra7 Qf6 34.a4 Qa1 35.Kg2 Qf6 36.a5 (36...Kh7 37.Ra8 Ra8 38.Qa8+–) 1–0. fifteenminutesofgame (2400) – alexp (2390), net–chess.com, 2004.

4.Bb2 Qd6 5.Nf3 Bg4 (5...e4 6.Nd4=) 6.Be2 (6.Be5 Qe5 7.Ne5 Bd1 8.Kd1 Bd6+=) 6...Bf3 7.Bf3 Qb4 (better is 7...Nbd7!?=) 8.Be5+/– Nbd7 9.Bd4 Qb5 10.Nc3 Qc6 11.0–0 (11.Qe2 Nb6+/–) 11...Ne4 (11...0–0–0 12.Qe2+/–) 12.Ne4 (12.Nd5 Qd5 13.d3 f5+/–) 12...de4+= 13.Bg4 0–0–0 (13...Qg6+=) 14.Ba7 (better is 14.Bf5!?+/–) 14...b6= 15.Be2 (15.f3 Kb7 16.Bb6 Nb6 17.fe4 Nc4=) 15...Kb7 16.Bb6 Nb6 (16...Qb6? 17.Rb1 Bb4 18.a3+–) 17.f3 (17.d4 Qh6=) 17...Nc4 (17...Bb4!? 18.d3 Nd5–/+) 18.Rb1= Ka7 (better is 18...Kc8!? 19.Bc4 Qc4 20.fe4 Qa2=) 19.Bc4+/– Qc4 20.fe4 Qe4?? (better is 20...f6+/–) 21.Qh5 (better is 21.Rf4 Qf4 22.ef4 Bc5 23.Kf1+–) 21...Rd5=+ 22.Qf7 Bd6 23.Qg7 Rd2 (24.Qg5 Rd5–/+; 23...Be5!? 24.Qf7 Rd2–+) 0–1. hisapkonek2 – 3xxx, Live Game Caissa's Web, 2004.

4.Bb2 Nbd7 (--> 3.Bb2 Nd7 4.e3 Ngf6).

4.Bb2 e4 (--> 1.b4 e5 2.Bb2 e4 3.e3 Nf6 4.b5 d5).

4.c3 Bd6 5.Qa4 (5.Ba3 Ba3 6.Na3 c5–/+) 5...Bd7 (5...Nbd7 6.Ba3–/+) 6.c4 0–0 7.Nc3 d4 8.ed4 (8.Nd5!?–/+) 8...ed4–+ 9.Nd5? (9.Nce2 d3 10.Nc3 Re8 11.Kd1 Qe7 12.Bd3 Qe1 13.Kc2 Na6–+) 9...Nd5 (better is 9...Re8 10.Ne3 de3 11.fe3 Be5–+) 10.cd5 Re8 11.Be2?? (11.Kd1 Qh4 12.Nf3 Qf2 13.Bb2–+) 11...d3 12.Kd1 de2 13.Ne2 a6 14.ba6 Ba4 15.Ke1 0–1. steelkingdom – BennyMSU, Live Game Caissa's Web, 2004.

4.Nc3 Bb4 5.Na4 (5.Bb2 Bg4 6.Be2 Bf5=+) 5...0–0 6.c3 Be7 7.Nb2 Bf5 8.Nf3 Qd6 9.Rg1 (9.d4 Nbd7–/+) 9...e4 10.Nd4 Qh2 11.Ne2 (better is 11.Nf5 Ba3 12.Nd3 Qg1 13.Ba3 ed3 14.Ne7 Kh8 15.Qf3–+) 11...Bg4–+ 12.Na4 (12.f3 ef3 13.gf3 Bf3–+) 12...Nbd7 13.Qb3 (13.f3 ef3 14.gf3 Bf3–+) 13...Be2 14.Be2 (14.Bb2–+) 14...Qg1 15.Bf1 Ne5 (better is 15...Ng4 16.Qd5 Qf2 17.Kd1 Qf1 18.Kc2–+) 16.a3 (16.Nb2–+) 16...Nd3 17.Kd1 Qf1 18.Kc2 Qf2 19.g3 Rad8 (19...a6 20.Nb2 Nc5 21.Qb4–+) 20.Nb2 Nc5 21.Nd1 Nb3 22.Kb3 (22.Nf2?? Na1 23.Kb2 Bd6–+) 22...Qe2 23.Kc2 c6 (23...Qd3!? 24.Kb2–+) 24.bc6 bc6 25.Rb1 Qd3 26.Kb2 (26.Kb3 Rb8 27.Ka2 Qb1) 26...Rb8 27.Ka1 Qb1 0–1. Franziska,Franzi – Tiedemann,Joern, remoteschach.de, 2002.

4.c4 dc4 5.Bc4 Bd6 6.Ne2 0–0 7.0–0 b6 8.a4 Bb7 9.Nbc3 c5 10.Bb2 Nbd7 11.d4 (11.d3 Qc7=) 11...ed4 (11...cd4!? 12.ed4 Qc7–/+) 12.ed4+= cd4 13.Nd4 (13.Qd4 Qc7 14.h3+=) 13...Bc5 (better is 13...Qc7!? 14.Bb3 Bh2 15.Kh1 Nc5–/+) 14.Nf5= Ne5 15.Qb3?? (better is 15.Be2=) 15...Qc8–+ (15...Nc4?! 16.Qc4 Qd2 17.Nd1+=) 16.Nh6 gh6 17.Nd5 Bd5 18.Be5?? (better is 18.Bd5 Nd5 19.Be5–+) 18...Bc4 19.Qg3 Qg4 (19...Qg4 20.Bf6 Qg3 21.hg3 Bf1 22.Kf1 a6–+) 0–1. Roever – Woschkat,Karl Heinz, corr SOK/87, 1987.

4.c4 c6 5.a4 Be6 (5...Bg4 6.Be2 Be2 7.Qe2 cb5 8.cb5–/+) 6.Qc2 (6.Nf3 Bg4=+) 6...Be7 7.d3 0–0 8.Be2 (8.Nf3 Nbd7–/+) 8...Bf5 (8...a6 9.Nf3–/+) 9.Nf3=+ Nbd7 10.0–0 Qc7 (10...dc4 11.Qc4 Rc8 12.Ba3=+) 11.Nbd2 (11.cd5 Nd5 12.e4 Nb4=) 11...Rac8 12.e4 de4 (12...Bg4 13.h3 Bh5 14.bc6 Qc6 15.ed5 Qd5 16.Qb2=) 13.de4 Be6 14.Bb2 cb5 15.ab5 Nh5 (15...Bc5 16.Ba3=) 16.g3 (16.Qc3 Rfd8 17.Rfd1 Bd6+=) 16...Bd6 (16...Ra8!?=) 17.Ng5+/– Nhf6 18.Ne6 fe6 19.Ra7 Nb6 (19...Qb6!? 20.Ra2 Qb5+=) 20.Rc1 Bc5 21.Ra2 Nfd7 22.Nf3 h6 23.Kg2 Rf7 24.Rca1 Rcf8 25.Ba3 Ba3+/– 26.Ra3 Nc5 27.h4 Nbd7 28.Ra8 Nf6 29.Bd3 Qd7?? 30.Rf8 Rf8+/– 31.Ne5?? Qd4–/+ 32.Ng6 Rf7?? 33.Rd1+= Ng4 34.Nf4 e5 35.Nh3 Rf2=+ 36.Nf2 Ne3–+ 37.Kh3? Nc2 38.Bc2 Qf2 39.Rd8 Kh7 40.Bd1 Ne4 41.Rd3 Qf1 42.Kg4 Qd3 43.Bf3 Nf2 44.Kh5 Qg6# (44...g6#) 0–1. Istvanny (1640) – DrSub (1635), internet, 2007.

4.c4 d4 5.ed4 Qd4–+ 6.Nc3 Ne4 (better is 6...Bc5!? 7.Qe2 Ne4–+) 7.Qf3–/+ Nc3 (7...Bc5 8.Qe3 Nf2–+) 8.dc3= Qc5 9.Be3 Qa3 10.Bc1 Qa5 11.Nh3 h6 (11...Bg4! 12.Qe3 Nd7–/+) 12.Be2= Be7 13.0–0 Bf6 14.Qe3 (14.Rd1 Nd7+=) 14...0–0 (14...Be6 15.Rd1=) 15.Bb2 (15.Rd1 Be6+=) 15...a6 16.a4 (16.Rfd1 Bf5=) 16...c6 (16...Rd8 17.c5=) 17.Ba3 (17.c5 cb5 18.ab5 Qc7=) 17...Re8 (17...Rd8 18.Bb4 Qc7 19.b6+=) 18.Bd6 (18.Bb4 Qc7+=) 18...e4 19.Bb4 Qc7 20.Nf4 a5 21.Bc5 Bc3 22.Bb6 Qe5=+ 23.Rad1 Nd7 24.Bd4 Bd4 25.Rd4 c5 26.Rd5= Qf6 27.f3 Nb6–/+ 28.Rc5 Na4 29.Nh5?? Qg6?? 30.Nf4 Qf6?? 31.Rh5 Bf5 32.g4 ef3–+ 33.Qf3 Be4 34.Qf2 Nc3–+ 35.Nd5?? Ne2 36.Qe2 Qd4 (37.Qf2 Qf2 38.Kf2 Bd3–/+) 0–1. Strand,T – Simicic,Ivan, Gnosjoe SWE,1989.

4.d3 Bb4 5.c3 Bd6 6.Be2 0–0 7.Nf3 a6 8.ba6 b6 (8...Ra6 9.d4 e4 10.Ba6 ba6 11.Nfd2+=) 9.0–0 Ba6 10.Nbd2 e4 11.Nd4 ed3 12.Bd3?? (better is 12.Bf3–+) 12...Bd3 13.Re1 c6 14.N2f3 Be4 15.Bb2 Qc7 16.h3 Nbd7 17.Ng5 Ne5 18.Qd2 Nc4 19.Qc1 Ra4 20.Ne4 Ne4 21.Nf3 Rfa8 22.Nd4 Bh2 23.Kf1 Ned2 0–1. Neffgen,Dieter – Schueller,Rudolf (1865), T0076 DESC, 2003.

4.d3 c6 5.d4 Nbd7 (5...Bd6 6.Nf3 e4 7.Ne5–/+) 6.Nf3 Bd6 7.a3 0–0 8.h4 (8.c4 e4 9.Nfd2 Qa5=+) 8...ed4 (8...cb5 9.Nc3 a6 10.de5 Ne5 11.Bb2–+) 9.Qd4 Re8 10.Ng5?? (better is 10.Bb2–/+) 10…Bc5 (11.Qd3 cb5 12.Qb5 a6–/+; 10...Be5 11.Nf7 Kf7–+) 0–1. wallsofsteel – suleymaneki, Live Game Caissa's Web, 2004.

4.d3 Bd6 5.Nf3 –/+.

4.d3 Bd7 5.Bb2 Bd6 6.a4 0–0 (6...Qe7 7.Nf3 0–0 8.Be2 e4 9.de4 de4 10.Nd4 c5; 6...Bf5 7.Nf3 Nbd7 8.Be2 0–0 9.0–0 Qe7 10.Nc3 Nc5) 7.Nf3 (7.Nd2 Bf5 8.Be2 h6 9.Ngf3 Nbd7 10.0–0 Qe7) 7...e4 8.de4 Ne4 (8...de4 9.Nd4+= (9.Ne5 Qe7 10.Nc4 Bb4) 9...Bb4 10.c3 Be7) 9.Bd3 (better is 9.Qd5 Nc5 10.Bc4+/– (10.Nbd2 Be6) 10...Be6) 9...Nc5 (9...a6 10.Nbd2 Qe7) 10.Be2 Be6 11.0–0 (11.Qd4 f6=) 11...Nbd7 12.h3 (12.a5 a6=) 12...Ne4 (12...Qe7 13.a5=) 13.Nbd2 (13.Nc3 Nef6=) 13...Ndc5 (13...Qe7 14.a5=) 14.Ne4 Ne4 (worse is 14...de4 15.Qd4 Qf6 16.Qf6 gf6 17.Nd4+/–) 15.Ne5 (15.Qd4 f6+=) 15...Qg5 (15...Be5 16.Be5 Bh3 17.Bf3+=) 16.Ng4 (16.Nf3 Qg6 17.Nh4 Qh6=) 16...h5 17.Nh2? (better is 17.f4!? Qh4 18.Nh2+=) 17...Bh3–+ 18.Bf3 Rae8 (18...Rfe8 19.Ba3 Be5–+) 19.Bg4?? (better is 19.Ba3 Re6 20.c4 dc4 21.Qc2–+) 19...hg4 20.f4 (20.gh3 gh3 21.Ng4 f5–+) 20...gf3! 21.Qf3 Bh2 (21...Bh2 22.Kh2 Bg4–+) 0–1. Maly,Guenther (1785) – Prischkura,Agnum (2000), remoteschach.de, 2010.

4.d4 e4 5.c4 c6 6.Qa4 Bd7 7.c5 Be7 8.Nc3 0–0 9.Be2 h6 10.h3 Nh7 (10...cb5 11.Qb3+=) 11.b6 a6 (11...Na6 12.ba7 (12.Ba6? ab6 13.Qc2 Ra6–+) 12...Ra7 13.Qb3+=) 12.Bd2= Be6 13.0–0–0 Nd7 14.Rf1 (14.Qa5 Nhf6=) 14...f5 15.f4 (15.Qa5 Nhf6=) 15...ef3 (15...Nc5 16.dc5 Bc5 17.Qc2+=) 16.gf3 Nhf6 17.f4 (17.Qa5 Nh5 18.Rh2 f4=) 17...Ne4 (17...Nc5 18.dc5 Bc5 19.Nf3+=) 18.Ne4= fe4 19.Qd1 ½–½. Misiewicz,Patryk – Urban,Jacek, Miedzynarodowy Turniej Szachowy w Kowal Poland, 2008.

4.d4 Ne4 5.de5 Bb4 6.c3 Ba5 (< 6...Nc3 7.Qb3 Na2 8.Bd2 Bd2 9.Nd2+–) 7.f3?? (better is 7.Bb2=) 7...Qh4–+ (7...Nc3?! 8.Qd2 Qh4 9.g3=+) 8.g3 Ng3! 9.hg3 Qh1 10.Nh3 (10.Kf2–+) 10...Bh3 11.Qe2 Nd7 12.Bd2 (12.f4–+) 12...Ne5 13.Na3 (13.Kf2 Qh2 14.Ke1 Qg3 15.Qf2 Nf3 16.Ke2 Qf2 17.Kf2 Nd2 18.Bh3 Ne4 19.Kf1 a6–+) 13...Nf3 14.Qf3 Qf3 15.Be2 Qh1 (16.Kf2 Qg2 17.Ke1 Qg1 18.Bf1 Qf1#) 0–1. nightgame – Caissa, Live Game Caissa's Web, 2004.

4.Be2 e4 5.Bb2 (5.Nc3 d4 6.ed4 Qd4 7.Bf1 Bc5 8.Qe2 0–0 9.Bb2 Bg4–/+) 5...Bd6 6.d3 0–0 7.de4 de4 8.Nd2 Bf5 9.Nc4 Bb4 +=.

4.Be2 Be7 5.Nf3 Nbd7 6.0–0 0–0 7.Bb2 Bd6 8.c4 (8.Nc3 Nb6=+) 8...c6 (8...e4 9.Nd4=+) 9.Ba3 (9.c5 Bc5 10.bc6 bc6 11.Ne5 Qb6=) 9...Qe7 (9...Ba3 10.Na3 e4 11.Nd4 cb5 12.cb5=) 10.Bd6= Qd6 11.Nc3?? (better is 11.d4=) 11...d4–+ 12.c5 (12.ed4 ed4 13.Qc2 dc3 14.dc3 Nb6–+) 12...Nc5 (12...Qc5?! 13.bc6 bc6 14.Na4–/+) 13.ed4 ed4 14.Na4 (14.bc6 bc6 15.Na4 d3 16.Nc5 de2 (16...Qc5?! 17.Bd3 Re8 18.Rc1=) 17.Qe2 Qc5–+) 14...d3 15.Nc5 de2 (15...Qc5?! 16.Bd3 cb5 17.Re1=+) 16.Qe2 Qc5 17.Rfc1 (17.bc6 Re8 18.Rac1 Qc6–+) 17…Qb5 (18.Qb5 cb5–+) 0–1. dale2 – KingHiram, Live Game Caissa's Web, 2005.

4.Nf3 Bg4 5.c3 (better is 5.h3!? Bf3 6.Qf3=+) 5...e4–/+ 6.h3 Bh5 (6...ef3?! 7.hg4 Ng4 8.Qf3+=) 7.g4 Bg6 (better is 7...Ng4 8.hg4 Bg4–/+) 8.Ng5?? (better is 8.Nh4=+) 8...h6–+ 9.b6 ab6 10.Nf7 Kf7 11.Bb5 c6 12.Be2 Bd6 13.Bb2 Rf8 14.f4 ef3 15.Na3 Bg3 16.Kf1 fe2 17.Qe2 Kg8 18.Rg1 Bh4 19.c4 Be4 20.g5 Ng4 (21.Qf3 Rf3 22.Ke2 dc4–+) 0–1. steelkingdom – mtc, Live Game Caissa's Web, 2004.

4.h3 Bc5 5.a3 (5.Nf3 Bd6=+) 5...0–0 6.Be2 (6.Bb2 Bd6–/+) 6...a6 7.d4 ed4 8.ed4 Bb6 (8...Bd6 9.ba6 b6 10.a7–/+) 9.Nf3 (9.ba6 Na6 10.Nf3 Bf5–/+) 9...Bd7 (9...ab5 10.Bb5 c6 11.Be2=+) 10.ba6=+ ba6 (10...Na6 11.0–0=+) 11.0–0= Nc6 (11...Re8 12.Nc3=) 12.c3 (12.Bg5 h6 13.Bh4 Re8=) 12...Re8 13.Bg5 h6 14.Bf6 (14.Bh4 g5 15.Bg3 Ne4=) 14...Qf6=+ (< 14...gf6 15.Re1+=) 15.Ne5? (better is 15.Re1=+) 15...Ne5–+ 16.de5 Qe5 (better is 16...Re5 17.Bc4 Bb5 18.Bb5 ab5–+) 17.Re1 Qf4 18.Bf3 Re1 19.Qe1 Bh3 20.Nd2 Bd7 21.Rd1? Re8 22.Qf1 Bb5 23.g3 Qg3 24.Qg2 Bf2 25.Kh1 Re3 26.Qg3 Bg3 27.Rg1 Be1 28.Nb3 Bf2 29.Rg2 Rf3 30.Nd4 Rh3 31.Rh2 Rh2 (32.Kh2 Be1–+) 0–1. lesbian14 – triju, Live Game Caissa's Web,2006.

4.h3 Bd6 5.a3 Bf5 (5...Nbd7 6.Bb2–/+) 6.Nf3 c5 (6...0–0 7.Bb2 Re8 8.Be2–/+) 7.bc6 (7.d4 Nbd7–/+) 7...bc6 (7...Nc6 8.Bb5–/+) 8.Be2 (8.d4 Nbd7=+) 8...Nbd7–/+ 9.0–0 c5 (9...0–0 10.d4–/+) 10.c4 (10.Nc3 e4 11.Nh4 Be6=+) 10...e4–/+ 11.Ng5? (better is 11.Ne1–/+) 11...h6–+ 12.Nf7 Kf7 13.cd5 Qg8 (13...Be5!? 14.Nc3–+) 14.f3 g5 15.fe4 Be4 16.Nc3 Bg6 17.Bh5 Ke7 18.e4?? Bh5 19.g4 Bg6 20.d4 cd4 21.Qd4 Bc5 22.d6 Kf7 23.Rf6 Ke8 24.Nb5 Bd4 25.Nd4 Nf6 (26.Bb2 Ne4–+) 0–1. welit – nanning, Live Game Caissa's Web,2006.

4.h3 Bd7 5.a4 (5.Bb2 Bd6–/+) 5...Bb4 (5...Bf5 6.Bb2 Bd6 7.Nf3–/+) 6.Bb2 (6.Ba3 Ba3 7.Na3 0–0–/+) 6...e4 7.c3 (7.Nc3 0–0=+) 7...Bc5 (7...Be7 8.d3–/+) 8.g3 (8.d4 Bd6–/+) 8...a6 (8...Bf5 9.d4 Be7 10.Ba3–/+) 9.Qb3 (9.Ba3 Ba3 10.Na3 0–0–/+) 9...ab5 10.Bb5 (10.ab5 Ra1 11.Ba1 0–0–/+) 10...c6 (10...Nc6 11.d3–/+) 11.Be2 0–0 (11...b6!?–/+) 12.Qb7=+ Ra7 13.Qb3 Qc7 14.Qc2 Rb7 15.c4 Ne8 16.Qc3 f6 17.g4 Nd6 18.g5 Bb4=+ 19.Qc2 fg5 20.Ba3 Ba3 21.Ra3 Be6 22.c5 Ne8 23.Rb3 Ra7 24.Ra3 Qf7 25.Rh2=+ Nd7 (26.d4 ed3 27.Bd3 Nef6=+). riverborne – reddog2020, Live Game Caissa's Web, 2005.

4.h3 Bf5 5.f3 (better is 5.Nf3!? Bd6 6.Bb2=+) 5...Nh5–+ 6.Ne2?? (better is 6.d3–+) 6...Qh4 7.g3 Ng3 8.Ng3 Qg3 9.Ke2 e4 10.fe4 Be4 11.Bg2 (11.Rg1 Qg1 12.d3 Qh2 13.Ke1–+) 11...Qg2 12.Ke1 Qh1 13.Ke2 Bf3 14.Kd3 Bd1 15.Ba3 (15.Nc3 Qf1 16.Kd4 Qc4 17.Ke5 Bd6 18.Kf5 Qf1 19.Kg5 Qf6) 15...Qe4 16.Kc3 Qc4 17.Kb2 Qc2# 0–1. VILLENEUVE – Caissa, Live Game Caissa's Web, 2004.

4.Bb2 Bd6

(--> 3.Bb2 Bd6 4.e3 Nf6).

5.Nf3 Nbd7 (--> 3.Bb2 Bd6 4.Nf3 Nd7 5.e3 Ngf6).

5.Nf3 Qe7 (--> 3.Bb2 Bd6 4.Nf3 Qe7 5.e3 Nf6).

4.Nc3 d4

5.ed4 ed4 6.Nce2 Bc5 7.d3 0–0 8.Bg5 Qe8 9.Rb1 Nd5 10.Kd2 a6 11.ba6 Ra6 12.Nf3 Ra2 13.Rb3 Qa4 14.Ke1 Nb4 15.Ned4 Nc2 16.Nc2 Qb3 17.d4 Re8 18.Be3 Rc2 19.Bd3 Re3! 20.fe3 Qc3 21.Kf1 Rc1 22.Ke2 Rd1 23.Rd1 Bb4 24.Rb1 c5 25.dc5 Na6 26.Rd1 Nc5 27.Bf5 Ba5 28.Bb1 Qb3 29.Bd3 Nd3 (30.Rd3 Qc2 31.Rd2 Bd2 32.Nd2 Bg4 33.Ke1 Qd1 34.Kf2 Qd2 35.Kg3 Qe3 36.Kg4 h5 37.Kf5 g6 38.Kf6 Kf8 39.g4 Qf4#) 0–1. Bestia03g – ZChess222, computer chess game, 2000.

5.ed4 ed4 6.Nce2 Bc5 7.d3 0–0 8.Bg5 Re8 9.Rb1 Qe7 10.Nf3 Be6 11.a4 Bd5 12.Nd2 Nbd7 13.Bf6 Nf6 14.f3 Bb4 15.Kf2 Qe3 16.Ke1 Bc3 17.a5 Ba5 18.Rb2 Qf4 19.Qc1 Bf3! 20.Kd1 Ng4 21.Ra2 Re2 (22.Nf3 Rae8 23.Qe3 Qe3 24.Be2 Nf2#) 0–1. Bestia03g – Gromit300, computer chess game, 2000.

5.ed4 ed4 6.Nce2 Bc5 7.d3 0–0 8.Bg5 Bg4 9.h3 Bd7 10.Rb1 Be6 11.a4 Ba2 12.Rb2 Bd5 13.c4 dc3 14.Nc3 Bd4 15.Bf6 Bf6 16.d4 c5 17.bc6 Re8 18.Nge2 Nc6 19.Nd5 Qd5 20.Rb5 Qd7 21.Qb3 Qd4 22.Rd5 Qa1 23.Kd2 Nb4!! 24.Qb4 Qa2 25.Ke1 Rac8 26.Re5 Be5 (27.f4 Bc3 28.Qc3 Rc3 29.Kf2 Qd2 30.Kg1 Re2 31.h4 Rc1 32.Kh2 Qf4 33.Kh3 Re3 34.g3 Qg3#) 0–1. Bestia03g – ZChess222, computer chess game, 2000.

4.c4 Bg4

5.Qa4 Nbd7 6.Bb2 Ne4 7.Nc3 Ndc5 8.Qc2 Qf6 (Better is 8...Bf5 9.d3 Nc3 10.Qc3 d4 11.ed4 Na4–/+) 9.f3?? (Better is 9.d4 Nc3 10.Bc3=) 9...Qh4–+ 10.g3 Ng3! 11.0–0–0 dc4 12.fg4 Nh1 13.Nf3 Qg4 14.Ne5 Qh5 15.Nc4 Nf2 16.Re1 Qh4 17.Re2 Nfd3 18.Kb1 Qc4 19.Rg2 0–0–0 20.Ba3 Ne6 21.Bf8 Rhf8 22.h3 Qb4 23.Ka1 Ne1 24.Qb1 Qb1 25.Nb1 Ng2 (26.Bg2 f5–+) 0–1. maneater – Caissa, Live Game Caissa's Web, 2004.

5.Qb3 Bc5 6.h3 Be6 7.Bb2 d4 8.Nf3=+ de3 9.de3 e4 10.Nd4 Qd6 11.Be2 0–0 12.a4 Nbd7 13.Na3 Rad8 14.0–0 Ne5 15.Rad1 Qe7 16.Rd2 Bd6 17.Rfd1 h6 18.f3 ef3= 19.Nf3 Ned7 20.Rd4 Nc5=+ 21.Qc2 Nfe4 22.a5 Bf5 23.Nb1 b6 24.a6 c6 25.Nc3 cb5 26.cb5 Rfe8 27.Ba1 Qf8 28.Qb2= Rd7 29.Nd5 Rc8 30.g4 Bg6 31.Nf4 Bh7 32.Nh5 Ne6–/+ 33.Rc4 Rc4 34.Bc4 Bh2 35.Kh2=+ Rd1 36.Qe5? Qa3?? 37.Be6+/– Qf8 38.Bd5 Nd6 39.Ng7 Nb5? 40.Nf5 Nc3 41.Bc3 Rd4 42.Bd4 Qd6 43.Nd6 Bg6 44.Qg7# 1–0. NN – ChessMaster2000, 1994.

5.Be2 Be2 6.Qe2 dc4 7.Qc4 e4 –/+.

5.f3 Be6 6.Ne2 dc4–+ 7.Nbc3 Nbd7 8.Bb2 Nc5 9.Qc2?? (Better is 9.Nc1–+) 9...Nd3 10.Kd1 Nf2 11.Ke1 Nh1 12.g3 Qd3 13.Rc1 (13.Qd1 Qg6 14.Bg2 Qh6–+) 13...Bf5 14.Bg2 Qc2 15.Rc2 Bc2 16.Bh1 0–0–0 17.f4 Bd6 18.b6 ab6 19.Nb5 Bb4 20.Be5 Bd2 21.Kf2 Ng4 22.Kf3 Ne5 23.Kf2 Ng4 24.Kf3 Nh2 25.Kg2 Ng4 26.Kf3 Ne3 27.Kf2 Ng4 28.Kf3 h5 29.Na7 Kb8 30.Nb5 Bd1 (31.Kg2 Be2–+) 0–1. rene822 – Caissa, Live Game Caissa's Web, 2004.

5.Nf3 e4 6.h3 Bh5 7.g4 Ng4! 8.hg4 Bg4 9.Be2 ef3 10.Bf3 Qf6 11.Bg4 Qa1 12.Nc3 a6 13.b6 (13...cb6 14.Nd5=+; Better is 13.Nd5!? Kd8 14.b6 cb6 15.Nb6+=). Giraud,Charles – Padovani,Florian, corr FRA Cup8/2T, 1998.

4.d4 ed4

5.ed4 Bd6 6.Nf3 Bf5 7.Bd3 Qe7 8.Be3 Be4 9.0–0 0–0 =.

5.ed4 Ne4 6.Nd2 Bb4 7.Qf3 Qg5 8.Qe2 Be6 9.Ngf3 Qh6 10.Bb2 Nd7 11.a3 Ba5 12.h3 Ndf6 13.Rg1 Nd2 14.Nd2 Ne4 15.Bc1 Bc3 16.Rb1 Qf6 17.Qe3 Bd4 18.Ne4 de4 19.Qg3 Ba2 20.Rb4 Bc3 21.Ke2 Bb4 22.ab4 0–0–0 23.b6 Qb6 24.Bd2 Rd2 25.Kd2 Rd8 26.Bd3 Qb4 27.Ke3 ed3 28.Qg4 Qg4 29.hg4 dc2 30.Rc1 Bb3 31.f4 Rd1 32.Rc2 Bc2 33.g5 a5 34.g4 a4 35.g6 Rd3 36.Ke2 fg6 37.f5 a3 38.fg6 hg6 39.Kf1 g5 40.Ke2 a2 41.Kf2 a1Q 42.Ke2 b6 43.Kf2 Rd2 44.Kg3 Qc3# 0–1. Betsy516 – Gromit300, 2001.

5.ed4 Ne4 6.Bd3 Bb4 7.Kf1 0–0 8.Ne2 Re8 9.Kg1 c6 10.Bf4 cb5 11.c3 Ba5 12.f3 Nd6 13.Qb3 Bf5 14.Bf5 Nf5 15.Qb5 Nc6 16.a3 (16.Qb7?? Re2 17.h3 Qe8–+) 16...Nfd4 17.cd4 Nd4 18.Nd4 Re1 19.Kf2 Rh1 20.g3 (20.Qb7 Qh4 21.Ke3 Re8 22.Kd3 Qf4 23.Qd5 Qc1–+) 20...Qf6 (20...Rh2?! 21.Kg1 Rh5 22.Qd3–+) 21.Qd3 Re8 22.Kg2 Ree1 23.Be3 g5 24.Nf5? (24.h3 Bb6 25.Ra2 Bd4 26.Qd4 Qa6–+) 24...Bb6 (24...Qb2 25.Nd2 Ra1 26.Qd5 Rhg1 27.Kh3–/+) 25.Bb6 ab6 (25...Qa1?! 26.Nh6 Kf8 27.Bc5 Ke8 28.Qb5 Kd8 29.Nf7 Kc7 30.Bd6 Kc8 31.Qc5 Kd7 32.Qb5 Kc8 33.Qc5 Kd7 34.Qb5 Kc8=; 25...Qb6?! 26.Ra2 Rb1 27.Qd5–+) 26.Ra2 Rhg1 27.Kh3 Re5 (27...Rb1?! 28.Qd5 Rbd1 29.Re2–+) 28.Rg2 Rge1 29.Rb2 Rf5 (29...Qf5?! 30.Qf5 Rf5 31.Kg4–+) 30.Rb6 Qb6 31.Qf5 Rb1 (< 31...Qb1 32.Qg5 Qg6 33.Qd8 Kg7 34.Qd5 Qe6 35.Qe6 Re6 36.Kg4–+) 32.Qg5 Kf8 33.Qd5 Ra1 34.Qd3 Qh6 35.Kg4 Qg6 (35...Qh2?! 36.Qd6 Kg7 37.Qe5 Kf8 38.Qa1 h5 39.Kf5 Qg3 40.Qh8 Ke7 41.Qh5=) 36.Qg6 hg6 37.Kf4 Ra3 38.Ke5 Rf3 39.Ke4 Rc3 40.Kd4 Rc8 41.h4 b5 0–1. Bestia 0.88_b2 – Ant 6.06, WBEC3_3rdDivision, 2002.

5.Qd4 Nbd7 6.c4 Bc5 7.Qh4 Be7 8.Ba3 Nc5 9.Bc5 Bc5 +=.

5.Qd4 Be6 6.Nf3 Nbd7 7.Bd3 Bc5 8.Qc3 Qe7 9.0–0 0–0 10.Nbd2 Bd6 11.a4 Nc5 12.Bb2 Nd3 13.cd3 Bb4 14.Qe5 Bd6 15.Qg5 h6 16.Qh4 Rfc8 17.Bf6 Qf6 18.Qf6 gf6 19.e4 f5 20.e5 Be7 21.Rfc1 f6 22.d4 fe5 23.de5 c6 (better is 23...Kf7!?=) 24.Nd4+/– Kf7 25.bc6 bc6 26.Rc6 (26.Nc6 Bg5 27.Nb3 Bc1 28.Rc1 Bd7–+) 26...Rc6 27.Nc6 Rc8? (better is 27...Bd7!? 28.Ne7 Ke7+/–) 28.Na7+– Rc2 29.Nb3 Rb2 30.Nd4 Bc5 31.Nac6 Bd4 (31...Bc8+–) 32.Nd4 Rd2 (32...Rb4 33.Nf3 Bc8+–) 33.Nc6 (better is 33.Ne6 Ke6 34.a5+–) 33...Bd7+/– 34.Nd8 Ke7 35.Nb7 Bc8? 36.Nd6+– Ba6 37.Nf5 Ke6 38.Nd6 Ke5 39.Nf7 Kf6 40.Nh6 Rd4 41.h3 Bc8 42.a5 Ba6 43.g4 Kg5 44.Nf5 Rd2 45.Ra4 Rc2 46.h4 (46.h4 Kf6 47.f4+–) 1–0. Tiedemann,Joern (2060) – Henkel,Phil (1855), RSS7E basic–47, 2011.

4.d4 Bd6

5.Ba3 Ba3 6.Na3 Qe7 7.Nb1 Qb4 8.c3 Qb2 9.Nd2 Nbd7 +=.

5.Bb2 (--> 3.Bb2 Bd6 4.e3 Nf6 5.d4).

4.Be2 Bd6

5.a4 Be6 6.Bb2 0–0 7.d4 e4 8.c3 Nbd7 9.Nd2 c6 10.Ra2 Ne8 11.Nb3 f5 (11...Qg5!? 12.Bf1 Qe7–/+) 12.Nh3+= Qh4 13.bc6 bc6 14.Na5 Nef6 (14...c5 15.Ba3+=) 15.Nc6 g5 16.0–0 (better is 16.Ba3!? Ba3 17.Ra3=) 16...f4–/+ 17.ef4 (17.f3 Bh3 18.gh3 Qh3–/+) 17...gf4 (17...Bh3!? 18.Ba3 Ba3 (worse is 18...Qf4 19.g3 Qf5 20.Bd6+=) 19.Ra3 Bg4 (19...gf4?! 20.gh3 Kh8 21.c4–+) 20.fg5 Qg5–/+) 18.f3+= Bh3 19.gh3 Qh3 20.Kh1 Kh8 21.c4? (better is 21.Ba6!?–/+) 21...Rg8 (21...Nh5 22.Ne5 Ng3 23.Kg1–+) 22.c5?? (22.Rg1 Rg1 23.Qg1–+) 22…Rg2 (22...Rg2 23.cd6 Qh2#; 22...Qg2#) 0–1. Bernard – Tapiwa, playchess.de, 2002.

5.Bb2 e4 6.d3 0–0 7.de4 de4 8.Nd2 Bf5 9.Nc4 Bb4 +=.

5.Nf3 0–0 6.Bb2 Nbd7 7.0–0 a6 8.Nc3 Re8 9.a4 c5 +=.

5.h3 a6 6.Bb2 ab5 7.Bb5 c6 8.Be2 Be6 9.Nf3 Nbd7 10.Ng5 Nf8 11.Ne6 Ne6 12.c4 0–0 13.0–0 Ra7 14.d4 ed4 15.Bd4 c5 16.Bc3 Qe7 (16...d4!? 17.ed4 cd4=+) 17.cd5= Rd8?? (17...Nc7 18.Bf3=) 18.Bf3?? (better is 18.de6 Qe6 19.Qb3+–) 18...Nc7 19.Qb3 Ncd5 20.Qb2 (20.Qd5 Nd5) 20...Nc3 21.Nc3 Be5 22.Rac1 Bc7 (22...Rd3 23.Rfd1 Rd1 24.Bd1 Ne4–+) 23.Qb1 (23.Bb7? Rb7 24.Qe2 Qd6–+) 23…Be5 ½–½. Saarenpaa,Toivo – Manninen,Mikko, Lahti We LahS op, 2002.

4.Nf3 Bd6

5.Bb2 (--> 3.Bb2 Bd6 4.e3 Nf6 5.Nf3).

5.Nc3 c5 –/+.

5.d4 e4 6.Ne5 c6 7.bc6 Nc6 8.Nc6 bc6 9.Be2 Ba6 10.Ba6=+ Qa5 11.Nc3 Qa6 12.Bd2 Rb8 13.Ne2 Rb2 14.0–0 Ra2 15.Ra2 Qa2 16.Nc3 Qc4 17.Qe2 Qe2 18.Ne2 Kd7 19.Rb1 Rb8–+ 20.Rb8 Bb8 21.h4 Bc7 22.Nc1 Ne8 23.Nb3 Nd6 24.Nc5 Kc8 25.Na6 Nc4 26.Bb4 Bd8 27.h5 Kb7 28.Nc5 Kb6 29.Nd7 Kb5 30.Bf8 g6 31.h6 a5 32.Ne5 Ne5 33.de5 a4 34.Ba3 Bb6 35.g4 Bc5 36.Bb2 a3 37.Ba1 Kc4 38.Kg2 Bb4 39.e6 fe6 40.g5 Bc3 41.Bc3 Kc3 42.f3 0–1. COMP – COMP, 2002.

5.Be2 0–0 6.0–0 e4 7.Nd4 c5 8.bc6 bc6 9.f4 ef3 10.Nf3=+ Nbd7 11.c4 Rb8 12.Nc3 Re8 13.Nd4 Qc7 14.Nf3 Ne5 15.h3 Nc4–+ 16.Bc4 dc4 17.Qe2 Ba6 18.Nd4 Bh2 19.Kh1 Be5 20.Qf3 c5 21.Nde2 Bb7 22.Qf2 Ne4 23.Qh4 Bg3 24.Qh5 Nf2 25.Kg1 Re5 26.Ng3 Rh5 27.Nh5 Ne4 28.Ne4 Be4 29.a4 Qe5 (30.Ba3 Qh5–+) 0–1. Frenzel,Lothar – Fritz,Harry, corr, 2000.

5.Be2 c6 6.0–0 e4 7.Nd4 c5 8.Nb3 Qc7 9.Bb2 c4 10.Nd4 Bh2 11.Kh1 h5 12.f3 h4–+ 13.f4 Bg3 14.Nc3 h3 15.gh3? Bh3 16.Rg1 Bf1 (17.Bh5 Rh5 18.Qh5 Nh5 19.Raf1 Qd7–+) 0–1. Neffgen,Dieter – Stolz,Peter, R.–Tobies–Gedenkturnier–D, 2003.

5.Be2 e4 6.Nd4 –/+.

4.Nf3 Nbd7

5.Bb2 (--> 3.Bb2 Nd7 4.e3 Ngf6 5.Nf3).

5.Bb2 Bd6 (--> 3.Bb2 Bd6 4.Nf3 Nd7 5.e3 Ngf6).

5.Be2 c5 6.bc6 bc6 7.Bb2 Bd6 8.Nc3 0–0 9.Rb1 Rb8 +=.

4.Nf3 e4

5.Nd4 a6 6.ba6 Na6–/+ 7.Be2 Bd6 8.Ba3 c5 9.Nb5 Be5 10.N5c3 Qc7 11.d4 cd4 12.ed4=+ Bh2 13.g3? Bg3–/+ 14.fg3 Qg3–+ 15.Kd2 Qf4 16.Ke1 Nc7 17.Bb5? Nb5 18.Nb5 Ra3! 19.N1a3 e3 20.Qe2 Qg3 21.Kf1 Bg4 22.Qg2 e2 23.Kg1 e1Q 24.Re1 Qe1 25.Kh2 Qh4 26.Kg1 Qg5 27.Nd6 Kf8 28.Nab5 Ne4! 29.Ne4 de4 30.Nd6 f5 31.Rh2 Ke7 32.Nc4 Rd8 33.Qd2 Qd2 34.Rd2 h5 35.d5 g5 36.Kf2 f4 37.Rd4 Bf5 38.a4 e3 39.Ne3 fe3 40.Ke3 Bc2 41.Rb4 Rd5 42.Rb7 Ke6 43.Ra7 h4 44.a5 h3 45.Ra6 Kf5 46.Rh6 Ra5 47.Kd2 Rd5 48.Kc2 g4 49.Rh5 Ke4 50.Rh7 h2! 51.Rh2 g3 52.Rh3 Kf3 53.Kc3 Kg4 54.Rh1 g2 55.Rg1 Kh3 56.Kc4 Rg5 57.Kd4 Kh2 58.Rc1 g1Q 59.Rg1 Rg1 60.Kd5 Kg3 61.Kc6 Kf4 62.Kd6 (62.Kd5 Rc1 63.Kd4 Rc8 64.Kd3 Rd8 65.Ke2 Rh8 66.Kf2 Re8 67.Kg2 Re2 68.Kg1 Kg3 69.Kf1 Re3 70.Kg1 Re1#) 0–1. COMP – COMP, 2002.

5.Nd4 c5 6.Nb3 b6 7.Nc3 a5 8.d3 Bb7 (8...Bd6!?+=) 9.de4= de4 (9...a4!? 10.Nd2 de4=) 10.Qd8+= Kd8 11.Bb2 Nbd7 12.0–0–0 (12.Rd1 Ke8+=) 12...a4 (12...Ng4!? 13.Na4 Nf2+=) 13.Nd2+= a3 14.Ba1 Nd5 (better is 14...Ke8!?+=) 15.Nc4 (15.Nc4 Nc3 16.Bc3+–) 1–0. gioco1b4 (2515) – AsceticKingK9 (2005), ChessWorld.net, 2013.

5.Nd4 c5 6.bc6 Nc6 7.Bb2 –/+.

5.Nd4 Bd6 6.Bb2 Bg4 7.Be2 Be2 8.Qe2 0–0 9.0–0 Nbd7 =.

5.Ne5 Bd6 6.Bb2 Qe7 7.f4 ef3 8.Nf3 Bg4 9.Be2 a6 =.

3.Nf3 Nd7

4.Bb2 e4 5.Nd4 Nc5 6.Nc3 Ne6 7.Ne6 Be6 8.e3 Nf6 9.Ne2 =+.

4.d4 ed4 5.Qd4 Ngf6 6.Nc3 Bc5 7.Qd3 Ng4 8.e3 Qf6 9.Qd2? 0–0?? 10.Bb2= Bb4 11.a3 Ba5 12.Be2 Nc5 13.0–0 Rd8 14.h3 Nh6 15.Rad1 Be6= 16.Qd4 Nd7 17.Bd3 Bb6 18.Qf6+= Nf6 19.g4 Nd7 20.g5 Nf5 21.Nd5 Bd5 22.Bf5 Bf3 23.Rd7 Rd7 24.Bd7 Rd8 25.Bg4 Bg4 26.hg4 Rd5 27.Bd4 Rg5=+ 28.Bb6 Rg4 29.Kh2 ab6 30.Rd1 h5 31.Rd8=+ Kh7 32.f4 Rh4 33.Kg3= Rh1 34.Rd7+= Ra1 35.Rc7+/– Ra3 36.Rf7 Re3= 37.Kh4 Kh6 38.Rb7+= Re6 39.Rc7+/– Rf6?? 40.Rc6+– Kg6 41.c4 Kf5 42.Rf6 Kf6 43.c5! (43...bc5 44.b6+–) 1–0. Fritz 8 – EXchess 3.11, 2003.

4.d4 Bd6 5.de5 Ne5 6.Bb2 Nf3 7.ef3 Qg5 8.h4 Qe7 9.Qe2 =+.

4.d4 f6 5.e3 e4 6.Nfd2 Ne7 7.c4 c6 8.Nc3 a6 9.bc6 bc6 10.cd5 cd5 11.Nd5! f5 12.Nf4 Bb7 13.Nc4+– Nd5 14.Qh5 g6 15.Ng6! Bb4 16.Bd2 N7f6 17.Qh3 Bd2 18.Nd2 Rg8 19.Ne5 Qc8 20.Bc4 f4 21.Qh6 fe3 22.fe3 Rg2 23.Rf1 Ng4 24.Qf8# 1–0. orane – Caissa, Caissa, 2008.

4.Bb2 Bd6

5.c4 dc4 6.e4 Ngf6 7.Bc4 Ne4 8.Qe2 Nef6 9.Ne5 =+.

5.e3 Ngf6

6.d4 e4 7.Nfd2 0–0 8.Be2 a6 9.ba6 ba6 10.0–0 Rb8 11.Nb3 Re8 12.c4 dc4 13.Bc4 Nb6 14.Be2 Na4 15.Bc1 Rb6 16.N3d2 Bd7 17.Nc4 Rb7 18.Nd6 cd6 19.Ba6 Rb6 20.Be2 Qa8 21.Bd2 Rc8 22.a3 Nb2 23.Qe1 Rc2 24.Nc3 Nd3 25.Bd3 ed3 26.e4 Rbb2 27.Bg5 Ng4 28.Nd1 Rb5 29.Bd2 Nf6 30.a4 Rb8 31.Ne3 Rcc8 32.e5 de5 33.de5 Nh5 34.a5 Nf4 35.Kh1 Re8 36.Bc3 f6 37.a6 fe5 38.Kg1 e4 39.Bb4 Re6 40.a7 Rb7 41.Bc5 Ne2 42.Kh1 Re5 43.Qa5 Bc6 44.Nc4 e3 45.Ne3 Rb2 46.Qa3 Re3 47.f3 Rf3 48.Rg1 Ng3 49.hg3 Rg3 50.Kh2 Bg2 0–1. EXchess 3.11 – Comet B25, 2003.

6.d4 e4 7.Nfd2 a6 8.ba6 ba6 9.c4 Rb8 10.Bc3 dc4 11.Bc4 0–0 12.Qc2 Re8 13.0–0 Nb6 14.Qb3 Be6 15.Be6 Re6 16.Nc4 Bh2 17.Kh2 Ng4 18.Kg3 Rg6 19.Ncd2 Ne3 0–1. EXchess 3.11 – Comet B50, 2003.

6.d4 e4 7.Nfd2 Nb6 8.Be2 Na4 9.Bc1 Bb4 10.0–0 Be6 11.c4 Nc3 12.Nc3 Bc3 13.Rb1 Bd2 14.Bd2 dc4 15.Qa4 Nd5 16.Qc2 c3 17.Be1 f5 18.Bh5 g6 19.Be2 0–0 20.a4 Rc8 21.Bd1 c6 22.bc6 b6 23.a5 Rc6 24.ab6 Rb6 25.Be2 Rb1 26.Qb1 Qb6 27.Qa1 Qb2 28.Qa6 Nc7 29.Qa7 Qe2 30.Bc3 Nd5 31.Re1 Qg4 32.Bb4 Nb4 33.Qe7 f4 34.Qb4 f3 35.g3 Qh3 36.Qf8 Kf8 37.Rc1 Qg2 0–1. EXchess 3.11 – Fritz 8, 2003.

6.Be2 0–0 7.0–0 Re8 8.d4 e4 9.Nfd2 a6 10.Ba3 ab5 11.Bd6 cd6 12.Bb5 b6 13.Qe2 Bb7 14.Rc1 Qc7 15.c4 Bc6 16.Nc3 Bb5 17.Nb5 Qb8 18.cd5 Nd5 19.Rc6 Re6 20.Nc4 Qb7 21.Rd6 Ree8 22.Rb1 Rec8 23.Ne5 Ne5 24.de5 Re8 25.Qb2 Rac8 26.Qd4 Rc5 27.Qe4 f6 28.ef6 Re4 29.Rd8 Kf7 30.Nd6 Kf6 31.Nb7 Rc7 32.Rd5 Rb7 33.Rd6 Re6 34.Re6 Ke6 35.a4 Rb8 36.f4 Kd5 37.Kf2 Kc5 38.a5 b5 39.Rc1 Kb4 40.a6 Ra8 41.Ra1 Kc5 42.e4 Ra7 43.Ke3 b4 44.Kd3 Rd7 45.Kc2 Ra7 46.Kb3 Kb5 47.Ra4 Ra6 48.Ra6 Ka6 49.Kb4 Kb6 50.e5 Kc6 51.Kc4 Kd7 52.f5 Ke7 53.g4 h6 54.Kd5 Kd7 55.e6 Ke7 56.Ke5 1–0. Fritz 6 – Comet B25, 2003.

6.Be2 0–0 7.Nc3 c5 8.bc6 bc6 9.Rb1 =+.

4.d4 e4

5.Nfd2 e3 6.fe3 Ngf6 7.g3 Nb6 8.Bg2 Ng4 9.Nf3 =+.

5.Ne5 Ne5 6.de5 Be6 7.e3 Nh6 8.Bb2 Qg5 9.Qd4 –/+.

5.Ne5 f6 6.Nd7=+ Bd7 7.a4 Bd6 8.c4 dc4 9.Qc2 a6 10.ba6= Ra6 11.Qe4 Ne7 12.Qb7 Rb6 13.Qf3 0–0 14.e3 Be6 15.a5 Bb4 16.Bd2+– Rb8 17.Bb4 Rb4 18.Qh5 Qa8 19.Qc5+– Rfb8 20.Nc3 Kf7 21.a6 c6 22.Be2 Nf5 23.a7 R8b6 24.0–0 Kg8?! 25.Rab1 Rb1 26.Rb1 Rb1 27.Nb1 Kh8 28.Qb6 Qg8 29.Qb8 Qe8 30.Qe8 (30...Bg8 31.a8Q Nh6 32.Bc4 c5 33.Qg8 Ng8 34.Qg8#) 1–0. Fritz 8 – Comet B25, 2003.

5.Ne5 Ngf6 6.c4 dc4 7.Nc4 Nb6 8.e3 Bg4 9.Qc2= Bb4 10.Bd2 Nbd5 11.Nc3 Bc3 12.Bc3 0–0 13.Bd2 Re8 14.Ne5 Be6 15.Rc1 Qd6 16.a4 Rac8 17.Qc5 b6 18.Qc6 Qa3 19.Qc2+= Ra8 20.Bc4+/– Red8 21.0–0 Re8 22.a5 ba5 23.Ra1 Qd6 24.Ba5 Reb8 25.Rfb1 Rb7 26.Bd2 Re8 27.Ra6 Qe7 28.Rba1 Ra8 29.Nc6 Qd7 30.f3 ef3+/– 31.gf3 Bh3 32.e4+– Nb6 33.Bd3 Ne8 34.e5 g6 35.Be4 Nd5?? 36.Bd5 Rb5 37.Ne7! Qe7 38.Ba8 Qd8 39.Qd3 (39...Re5 40.Ra7+–) 1–0. Fritz 8 – Comet B50, 2003.

3.Nf3 e4

4.Nd4 c5 5.Nb3 Nf6 6.e3 b6 7.Nc3 Bb7 8.f4 ef3 9.Qf3 Bd6 10.Be2 0–0 11.0–0 Qc7 12.Qh3 Nbd7 13.Bb2 Rae8 14.Qh4 Re5 15.Rf2 Ne4 16.Ne4 Re4 17.Qh3 Be5 18.Be5= Qe5?? 19.Qd7+– Bc8 20.Qa7 Rh4 21.h3 c4 22.Nd4 Rd4 23.ed4 Qd4 24.Re1 f5 25.Bf3 Rf7 26.Re8 Rf8 27.Qe7 Qf6 28.Qf8 Qf8 29.Bd5 Be6 30.Be6 Kh8 31.Rf8# 1–0. ygfr – ahbp, internet, 2009.

4.Nd4 Bg4 5.Bb2 Qf6 6.h3 Bc5 7.c3 Bh5 8.Qb3 Ne7 9.e3 =+.

4.Ne5 Be7 5.e3 Bf6 6.Nf7 Kf7–+ 7.Qh5 g6 8.Qd5 Qd5 9.Na3 Ba1 10.Bc4 Qc4 11.Nc4 Be6 12.Nb2 Ba2 13.0–0 Nd7 14.f3 Nc5 15.fe4 Kg7 16.c4 Ne4 17.d3 Nc3 18.Nd1 Ne2 19.Kf2 Nc1 20.Nc3 Nd3 21.Ke2 Bc3 22.Kd3 Bf6 23.Rf4 Rd8 24.Ke4 Bc4 25.Kf3 Bb5 26.Rb4 a6 27.g3 Rf8 28.Kg2 Be7 29.Rb2 c6 30.e4 a5 31.e5 a4 32.h4 a3 33.Ra2 Bc4 34.Rc2 Bb3 35.Rc1 a2 36.Ra1 Bc5 37.Kh3 Bd4 38.Ra2 Ba2 39.h5 Be5 40.hg6 hg6 41.Kg4 Be6 0–1. MasterofDisaster – Miranda, Live Game Caissa's Web, 2004.

4.Ne5 Qf6?? 5.d4 c5 6.c3 cd4 7.cd4 Nd7 8.f4 (8.Nc3 Ne7 9.Ng4 Qe6=) 8...Bb4 (8...ef3 9.Nf3 Qb6 10.Qd3=+) 9.Bd2 Bd2 (9...Bd6 10.Nc3=) 10.Qd2= Ne7 11.g4? (Better is 11.Nc3=) 11...Qh4–+ 12.Kd1 Ne5 13.fe5 Bg4 14.Rg1 0–0 15.h3 Bh5 16.Qb4?? Rac8 17.b6 Rc4 18.Qb3 Rd4 19.Kc1 Qe1 20.Kc2 Rc8 21.Nc3 Qd2 22.Kb1 Rc3 23.Qb2 Qe1 24.Qc1 Rb4# (24...Qc1#) 0–1. chessstler – chessir, Live Game Caissa's Web, 2004.

4.Nd4 a6

5.ba6 Na6 6.Bb2 Nf6 7.e3 c5 8.Nb5 Bg4 9.Be2 =+.

5.Bb2 ab5 6.Nb5 c6 7.Nd4 Nf6 8.e3 Bd6 9.Be2 =+.

5.Nc3 ab5 6.Ncb5 Nf6 7.Bb2 c6 8.Nc3 c5 9.Nb3 –/+.

5.e3 ab5 6.Bb5 c6 7.Be2 Bd6 8.0–0 Nf6 9.d3 (9.Bb2 0–0+=) 9...Qc7 (9...0–0 10.Bb2+=) 10.h3 (10.f4 b5+=) 10...0–0 11.Bb2 Rd8 (11...Qe7 12.Nb3+=) 12.Qc1 (12.Nd2 b5+=) 12...Na6 (12...b5 13.de4 Ne4 14.Nd2+=) 13.Rd1+= Nc5 (13...Bh2 14.Kf1+=) 14.Nb3 Na4 (14...Nfd7 15.de4 de4 16.N1d2+=) 15.Bd4 (15.Bf6 gf6 16.d4 b5+=) 15...Be7 (15...Nd7 16.Nc3+=) 16.c4 (16.de4 de4 17.c3 Be6–/+) 16...ed3 17.Bd3 c5 18.cd5 Ne8 (18...Nd5 19.Nc3 Nac3 20.Bc3–/+) 19.Nc5 (19.Bc3 c4 20.Bd4 A) 20...cb3 21.ab3 Bd7 22.ba4+/– (22.Ra4?! Ba4 23.ba4 Qc1 24.Rc1 Bf6=); B) 20...cd3 21.Qc7 Nc7–+) 19...Nc5 20.Nc3 (20.e4 Ra4 21.Bb5 Rd4 22.Rd4 Qe5–+) 20...Nd3 21.Rd3 b5! 22.Nb5 Qc1 23.Rc1 Rd5 (23...Bf5 24.Rd2 Rd5 25.Nc3–/+) 24.Rb3 (24.a4 Bd7 25.Nc3 Rg5–/+) 24...Be6–+ 25.Rb2 Rd7 (25...Rg5 26.f4 Rg6 27.Rcc2–+) 26.Ra1 Nd6 27.a4 Nc4 28.Rc2 Bd8 29.Bc3–/+ f6 30.h4 Kf7–+ 31.Nd4 Bd5 32.Be1 Bb6 33.Ne2 Kg8 34.Nc3 Be6 35.Nb5 h5 36.Rcc1 Kf7–+ 37.Bb4 Kg6 38.Be1 Rb7 39.e4 Ra6 40.Kh1 Bf7 41.Rcb1 Rd7 42.Rc1 Nb2 43.a5 Bd8 44.Bc3 Nd3 45.Rf1 Bc4 46.Na3 Be6 47.Nb5 f5 48.ef5 Bf5 49.Nd4 Bf6 50.Ne2 Bh4 51.Kg1 Be7 52.Ng3 Be6 0–1. Taulien,Christian (2110) – Dammer,Axel (2400), RSL4, 2006.

5.e3 ab5 6.Bb5 c6 7.Be2 Bd6 8.Bb2 Qg5 9.g4 h5 10.c4? hg4–/+ 11.cd5 g3! (12.d3 gf2 13.Kd2 Rh3–+ (< 13...cd5 14.Nb5 Bb4 15.Bc3–+); 11...Qd5?! 12.Nc3 Qe5 13.Bg4=+) 0–1. Taulien,Christian (1945) – Schaefer,Dirk (2020), remoteschach.de, 2004.

5.e3 ab5 6.Bb5 Bd7 7.Bb2 (7.0–0 Nf6+=) 7...c5 (7...Nc6 8.0–0+=) 8.Bd7= Qd7 9.Ne2 Qg4 (better is 9...Qc6!?=) 10.Nf4+/– Qf5 11.Nc3 d4 (11...Nf6 12.Nb5 Na6 13.0–0+/–) 12.Nb5 Na6 13.a4 Be7 14.Qe2 (better is 14.Nh5!? Qg6 15.0–0+/–) 14...Nf6= 15.Qc4 (15.0–0 0–0=) 15...0–0+= 16.h3 Nb4 17.Ba3 (better is 17.0–0!?–/+) 17...Ra4–+ 18.0–0 Rfa8 19.Bb2 Na2 (19...Na2 20.Qb3 c4 21.Nd4 Qc8–+ (21...cb3 22.Nf5 Bd8 23.cb3+/–)) 0–1. zd3nik (1905) – yulio (2045), gameknot.com, 2015.

4.Nd4 Bc5

5.Bb2 Ne7 6.e3 Bd4 7.ed4 b6 8.Nc3 0–0 9.Ba3 Nd7 10.Be7+/– Qe7 11.Nd5 (11...Qd6 12.Qh5+=). cacook – kpratt (1625), net–chess.com, 2005.

5.Bb2 Nf6 6.e3 a6 7.ba6 Na6 8.Be2 0–0 9.f3 =+.

5.Bb2 Nf6 6.e3 Bg4 7.f3 ef3 8.gf3 Bd4 9.Bd4 Be6 10.Rg1= g6 11.Nc3+= a6 12.a4 ab5 13.ab5+/– Ra1 14.Qa1 b6? 15.Na2+– c5?? 16.Bf6 Qd6 17.Be5 Qe7 18.Bh8 Qh4 19.Rg3 Qh2 20.Be5 Nd7 21.Bf4 h6 22.Qg7 (22...Qh4 23.Bd6+–) 1–0. pierre – qqiy, internet, 2010.

5.e3 Bd7 6.Nc3 Bd4 7.ed4+= Nf6 8.Ba3 b6 9.h3 a6= 10.Bb4 ab5 11.Bb5 Bb5–/+ 12.Nb5 Ra4 13.a3 c6?? 14.Nc3 Ra6 15.a4 Nbd7 16.a5 c5–/+ 17.dc5 bc5 18.Ba3 0–0 19.Bb2 Re8 20.Nb5 d4 21.c4 Ra5 22.Nd6 Re6 23.Nb7 Ra1 24.Ba1 Qc7 25.Nc5 Qc5 26.0–0 Qc4 27.Qb1 Nf8 28.Rc1 Qd3 29.Rc8 Qb1 (30.Kh2 Qa1–+) 0–1. manofsteel5 – Jk10, Live Game Caissa's Web, 2005.

5.e3 Nf6 6.c3 c6 7.Ba3 Ba3 8.Na3 Qa5 9.Ndc2 Bd7 10.g3 c5 11.Rb1 b6 12.h3 a6 13.Be2 ab5 14.Bb5 Bb5 15.Nb5 0–0 16.Nc7 Ra7 17.Nb5 Rd7 18.h4 Qa2 19.h5 Ng4 20.0–0?? Nh6 21.Nca3=+ d4 22.c4? de3–+ 23.fe3?? Rd2 24.Qa4 Rg2 25.Kh1 Rh2 (26.Kg1 Qg2#) 0–1. manofsteel5 – GiveMeYourKing, Live Game Caissa's Web, 2005.

5.e3 Nf6 6.Be2 0–0 7.Nb3 Bd6 8.d4 c6 9.0–0 Be6 10.f3 Nbd7 11.c3 c5 12.dc5 Nc5 13.N1d2 Nfd7 14.Qc2 f5 15.Bb2 f4 16.fe4 fe3 17.Rf8 Qf8 18.Rf1 Qb8 19.Nf3 de4 20.Ne5?? Be5–+ 21.Nc5 Bh2 22.Kh1 Nc5 23.c4 Be5 24.Be5 Qe5 25.Qc1 Qg5 26.Qe1 Nd3 27.Qc3 Nf2 (28.Rf2 Qh4 29.Kg1 Qf2 30.Kh2 Qe2–+) 0–1. patman007 – willow27, ChessWorld.net, 2005.

5.e3 Qg5 6.Ba3 Bg4 7.Qc1 Nd7 8.Bc5 Nc5 9.h3 =+.

4.Nd4 Bd6

5.Ba3 Be5 6.e3 Nh6 7.Nc3 Nf5 8.Nf5 Bf5 9.Bb2 =+.

5.Bb2 Nf6 6.e3 0–0 7.c4 Bg4 8.Qc2 dc4 9.Bc4 a6 10.a4 ab5 11.Nb5 Nc6 12.0–0 Nb4 13.Qc3 Nd3 14.Bd3 ed3 15.h3 Be2 16.Re1 Re8 17.Nd4 Ne4–+ 18.Qc4 Be5 19.f4 Bf6 20.Ra2 Bh4 21.Rc1 Bf2 22.Kh1 Ng3–/+ 23.Kh2 Re7 24.Nc3 Nf1–+ 25.Rf1 Bf1–/+ 26.Ra1 Be2 27.Nce2 de2 28.Qe2 Bh4 29.Qg4 Bf2?? 30.Nf5 g6 31.Bf6+/– h5 32.Qg5 Qd2 33.Qh6 Bg3 34.Ng3 Qg2 35.Kg2 Re3 36.Qg7# 1–0. NN – GrandMasterChess, 1994.

5.Bb2 Nf6 6.e3 0–0 7.Be2 c5 8.bc6 bc6 9.0–0 =+.

5.Nc3 Nf6 6.Bb2 Be5 7.e3 0–0 8.Be2 a6 9.0–0 =+.

5.d3 Nf6 6.Bg5 h6 7.Bf6 Qf6 8.de4 de4 9.e3 –/+.

5.e3 Qh4 6.Ba3 Be5 7.Bb2 Bg4 8.Be2 Be2 9.Qe2 =+.

4.Nd4 Nd7

5.Bb2 Nc5 6.Nc3 Ne6 7.Ne6 Be6 8.e3 Nf6 9.Ne2 =+.

5.d3 Ne5 6.Nc3 Bb4 7.Bb2 Nf6 8.a3 Ba5 9.Qd2 Bb6 10.e3 c5 11.Nb3 ed3 12.cd3 c4 13.dc4 dc4 14.Qd8 Bd8 15.Nd2 Nd3 16.Bd3+= cd3 17.0–0 0–0 18.h3 Be6 19.a4 Rc8 20.a5 Bc7 21.f4 Rfe8 22.Rfc1 Bd6 23.Ba3 Ba3 24.Ra3 Nd5 25.Kf2 Bd7 26.Rb3 Re3 27.Nd5 Re2 28.Kg3?? Rc1–+ 29.Rd3 Rd1 30.Nc3 Rdd2 31.Rd2 Rd2 32.Kh2 Rc2 33.Ne4 Bb5 34.Nd6 Bc6 35.Kg1 Rg2 36.Kf1 Ra2 37.Ke1 Ra5 38.Kd2 Rd5 39.Kc3 Rd6 40.Kc4 Rf6 41.Kc5 Rf4 42.Kd6 Rh4 43.Kc7 Rh3 44.Kb8 a5 45.Ka7 a4 46.Kb6 Rh5 47.Kc7 a3 48.Kd6 a2 49.Kc7 a1Q 50.Kb8 Re5 51.Kc7 Qa5 52.Kd6 Re6# 0–1. CYBORG – Caissa, Caissa's Web, 2004.

5.e3 Ne5 6.Bb2 Bd6 7.d3 Nf6 8.Nc3 0–0 9.Be2 =+.

4.Nd4 Nf6

5.a4 Bd6 6.Ba3 c5 7.bc6 Nc6 8.e3 Bg4 9.Be2 –/+.

5.Bb2 Be7 6.Nf5?? (6.Nc3 0–0=+) 6...0–0 (6...Bf5 7.Bd4–+) 7.e3?? (Better is 7.Ne7 Qe7 8.e3=+) 7...Bf5–+ 8.g4 Be6 9.g5 Bg4 10.Be2 Be2 11.Qe2 Nfd7 12.Qg4 Ne5 13.Qg3?? Nf3–+ 14.Ke2 Bg5 15.h4 Bf6 16.h5 Bb2 17.h6 g6 18.Nc3 Ba1 19.Ra1 Nd7 20.Nd5 c6 21.Nc3 Re8 22.Rh1 Nb6 23.Qf4 Nc4 24.Rd1 Nb2 25.Nb1 Nd1 26.Kd1 cb5 27.Qg3 Qd5 28.Qc7 Rac8 29.Qa5 Qc4 30.Qc3 Qf1 0–1. Ben,Reichelt – Neffgen,Dieter, remoteschach.de, 2002.

5.Bb2 Bg4 6.f3 Bd7 7.e3 Bd6 8.Be2 a6 9.0–0 =.

5.e3 a6 6.Bb2 Be7 7.Be2 ab5 8.Bb5 c6 9.Be2 =+.

5.e3 c5

6.bc6 bc6 7.Be2 c5 8.Nb3 Bd6 9.Ba3 =+.

6.bc6 Nc6

7.Bb2 Bd6=+ 8.Be2 0–0 9.f3 =+.

7.Bb5 Bd7 8.0–0 Nd4 9.Bd7 Qd7 10.ed4 Bd6 11.d3 (11.Nc3 0–0–/+) 11...0–0 12.de4 de4 13.Qe2 Rac8 14.c3 Rfe8 (14...b5 15.h3–+) 15.a4 Qf5 (15...a6 16.a5–+) 16.Qb5 Qe6 17.Re1 a6 18.Qe2 Nd5 (18...h6 19.Ba3–/+) 19.Bd2–/+ f5 20.c4 Nf4 21.Bf4 Bf4 22.g3 Bg5 23.d5 Qf6 24.Ra3 (24.Na3 Qc3+=) 24...Qb6–/+ 25.a5 (25.Ra2 e3 26.f4 Bf6–/+) 25...Qb4 26.Rd1 Qc4 27.Qc4 Rc4 28.d6 Kf7 29.Nc3 Rec8 30.Ne2 Rb4 31.h4 Bd8–+ 32.Raa1 Rc5 33.h5 Rb3 34.Rab1 Rb1 35.Rb1 Rb5 36.Rb5 ab5 37.Nd4 b4 38.Kf1 Ba5 39.Ke2 g6 40.Nb3 Bb6 41.hg6 hg6 42.Nd2 Ke6 43.g4 Kd6 44.gf5 gf5 0–1. Taulien,Christian (2110) – Leupold,Volker (2390), RSM2005 remoteschach.de, 2006.

7.Bb5 Bd7 8.Bb2 Bd6 9.Be2 =+.

4.Ne5 Bd6

5.Bb2 f6 –+.

5.d4 ed3 6.Nd3 Nf6 7.e3 Bd7 8.a4 a6 9.Bb2 ab5 10.ab5 Ra1 11.Ba1 Bb5 12.Nc3 Bd3 13.Bd3 c6 14.0–0 Qa5 15.Ne2 0–0 (Better is 15...Nbd7=+) 16.Bf6+/– gf6 17.Nf4 Kh8?? (17...f5 18.Qh5 Qc3 19.Rb1+/–) 18.Nh5 Qc7 19.Nf6 Bh2 20.Kh1 Qe5 21.Nh7 Rg8 22.f4 Qg7 23.Qe2?? Bg3 24.Ng5 Qh6=+ 25.Nh3 Nd7 26.Bf5 Nf6 27.Qf3 Bh4 28.Rg1 Rg3–+ 29.Qf1 Ng4 30.Bg4=+ Rg4 31.Qf3 Qh5 32.g3 Bf6 (33.Kg2 Qg6=) =. MasterofDisaster – IIIQ, Live Game Caissa's Web, 2004.

5.d4 f6 6.Nd3 ed3 7.Qd3 Ne7 –+.

5.d4 f6 6.f4 Nh6 7.e3 fe5 8.Qh5 (8.fe5 Bf8–+) 8...Kf8 9.fe5 (9.c4–+) 9...Bg4 10.Qh6 Be5! 11.de5 gh6 12.Ba3 (12.Bb2 Be6–+) 12...Kg7 13.Bb2 Rf8 14.e6 (14.Bd4 a6–+) 14...Kg8 15.c4 Qg5 16.Bd4 Qf5 17.Nc3 Qf2# 0–1. MasterofDisaster – soniaprh1, Live Game Caissa's Web, 2004.

3.h3 Nf6

4.Nc3 Bc5 5.Nd5?? (Better is 5.e3–/+) 5...Nd5 6.Bb2 f6 (7.e4 Nb6–+; 6...Qh4 7.g3 Qe4 8.Nf3–+) 0–1. Shuffler – hilde, Live Game Caissa's Web, 2004.

4.Bb2 Bd6

5.e3 0–0 6.Be2 c5 7.bc6 Nc6 8.Nf3 Qb6 9.Ba3 Ba3 10.Na3 Bf5 11.Rb1 Qc5 12.Nb5 Qc2 13.Qc2–/+ Bc2 14.Rc1 Bf5 15.Nd6 Bc8 16.0–0 Rd8 17.Nc8 Rac8 18.d4 ed4 19.ed4 Re8 20.Bd1? Na5?? 21.Rc8 Rc8–/+ 22.Ba4 Rc4 23.Bb5 Rc2 24.Bd3 Ra2 25.Rc1 g6 26.Ne5 Ne4 27.Rc7? Nf2 28.Kh2?! Nd3 29.Nf7 Nf4 30.Nh6 Kh8 31.Nf7 Kg7 32.Ne5 Kh6 33.Ng4 Kg5 (34.Ne3 Re2 35.Nd5 Rg2 36.Kh1 Nd5–+) 0–1. chibai – MajorGreene, caissa.com, 2006.

5.e3 0–0 6.Nf3 e4 7.Nh2 (7.Nd4 c5 8.bc6 Nc6–/+) 7...a6 8.c4 (better is 8.Nc3!?–/+) 8...dc4–+ 9.Bc4 ab5 10.Bb5 Nd5 11.Ng4 (11.Qc2 Bf5 12.Nc3 Nb4–+) 11...Qg5 12.f4 (12.Bc4 h5 13.Qc2 Nc6 (13...hg4?! 14.Qe4 Nf6 15.Bf6 Qf6 16.hg4–+) 14.Bd5 A) 14...hg4?! 15.Be4 (15.Qe4? Bf5 16.Qc4 Nb4–+) 15...gh3 16.gh3–/+; B) 14...Qd5–+) 12...Nf4 13.ef4 Qb5 14.Be5 (14.Qb3 Qh5 15.Qc3 Qg6–+) 14...Bg4 15.hg4 Be5 16.fe5 Qe5 17.Nc3 Nc6 18.0–0 Qd4 19.Kh1 e3 20.Ne2 (20.Qc2 ed2 21.Rad1 Rad8–+) 20...Qd2 21.Qd2 ed2 22.Nc3 Rfd8 23.a4 Ne5 24.g5 Nc4 25.Rf3 (25.Kg1 Rd7–+) 25...b5! 26.Rff1 (26.ab5 Ra1 Pinning (26...Ra1 Deflection; 26...Ra1 Decoy); 26.Nb5 d1Q Double attack) 26...ba4 27.Kh2 (27.Rf4 Nb2 28.Rff1 a3–+) 27...a3 28.Rf3 (28.Nd1 a2 29.Rf3 Rdb8–+) 28...c5 29.Ra2 (29.Nd1 Nb2 30.Rf1 c4–+) 29...d1Q 30.Nd1 Rd1 31.Rc3 (31.Rff2 Rad8 32.Rf4 R1d4–+) 31...Rd2 32.Ra1 Ra4 33.Rc4 Rc4 34.Ra3 g6 35.Ra8 (35.Kh3 Rc1 36.Ra7 c4–+) 35...Kg7 36.Kh3 Rc1 37.Kh2 c4 38.Rc8 c3 39.Kg3 c2 40.Kf3 Rf1 41.Kg3 Rd3 42.Kh2 c1Q 43.Rc1 Rc1 0–1. peteywheatstraw – guerrer (1910), gameknot.com, 2014.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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