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TESTB700 Release 2016-12-28
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 c6 2.Bb2 Qb6

    (...)

    3.a3 a6 4.c4 d6 5.e3 g5?? (better is 5...Nf6=) 6.Bh8+– f6 (6...a5+–) 7.Qh5 Kd7 8.Qh7 (better is 8.Qf7!? Qd8 9.Qg8 Kc7+–) 8...Nh6 9.Bf6 Kc7 (9...Ke8 10.Bg7 Bg7 11.Qg7+–) 10.Nc3 (better is 10.Bg5 Nf5 11.g4 Ng7 12.Be7 Be7 13.Qg7 Kd8+–) 10...Nd7 (10...Kd8 11.Bg5 Ng4 12.Nh3+–) 11.Bd4 Nf6 12.Bb6 Kb8 13.Qh8 Bf5 14.Qf8 Bc8 15.Qd8 Nd7 (15...Ne8 16.Qe8 Nf7 17.Qe7 Bd7 18.Qd7 Ra7 19.Bc7 Ka8 20.Qc8#) 16.Qc7# 1–0. _Dora_ – Toddo, ChessWorld.net, 2002.

    3.a3 Na6 4.c4 (4.e4 d6+=) 4...c5 (4...d6 5.e4=) 5.b5+= Nb8 6.Nc3 a6? (better is 6...Nf6+=) 7.Nd5+– Qa5?? (better is 7...Qd6 8.Nf3 f6+–) 8.b6 Qa4 (8...Kd8+–) 9.Qa4 (9.Qa4 Nc6 10.Nc7 Kd8 11.Na8+–) 1–0. pierre – tudik, internet, 2010.

    3.a3 Qb5 4.e3 Qf5 5.Bd3 Qe6 6.Nf3. polo – IgnacioRomero, internet, 2010.

    3.Na3 d5 4.Rb1=+ Nf6 5.b5 Qa5 6.e3 e6 7.Qc1 Be7 8.Nf3 0–0 9.Be2 Nbd7 10.Nd4 c5 11.Nb3 Qc7 12.c4 b6 13.0–0 Bb7 14.d3 Bd6 15.h3 Rac8 16.Nd2 h6 17.Nc2 Rfd8 18.Ne1 Nh7 19.Nef3 Nhf8 20.Qc3 Nf6 21.a4 Ng6 22.a5 e5 23.Qc2 d4 24.e4 Nf4 25.Rfe1 Qd7 26.a6= Ba8 27.Bf1 Rf8 28.Kh2 Nh7 29.Nh4 Ng5 30.Qd1 g6 31.g4 Kh7 32.Bc1 Rce8 33.Nb3 Nge6 34.Bf4 Nf4 35.Nc1 Qe7 36.Ng2 f6 37.Nf4=+ ef4 38.f3 g5 39.Nb3 Bc7 40.Bg2 Kg7 41.Rh1 Rh8 42.Kg1 Rh7 43.h4 Reh8 44.h5 Rb8 45.Kf2 Rhh8 46.Ra1 Rhc8 47.Bh3 Qd6 ½–½. Simic,V (2080) – Boskovic,Mak (1850), ch–Central Serbia, Vrnjacka Banja SRB (4), 2007.

    3.a4 Nf6 4.b5 (4.Bc3 d6=+) 4...cb5 5.ab5 (5.e3 ba4 6.Bd4 Qa5=+) 5...Qb5 6.Bf6 gf6 (6...ef6 7.e3 Qc5 8.Nc3=+) 7.e3 Qb6 (7...Qc5 8.Nc3=+) 8.Nc3= e6 (8...Rg8 9.Rb1 Qd8 10.Nge2=+) 9.Qf3 (9.Bb5 Rg8 10.Qf3 Nc6=) 9...Bg7 (9...f5 10.Bb5=) 10.Qg3 0–0 11.Nf3 Nc6 (11...Qb2 12.Rb1 Qa3 13.Bd3+=) 12.Ra4 (12.Bd3 d5=) 12...f5 (12...Kh8 13.Rg4 Rg8 14.Rh4+/–) 13.Be2 d5 14.0–0 Rd8 15.Rb1 (15.Rh4 e5=) 15...Qc5 16.Qg5 (16.Rh4 Qd6 17.d4 Qg3 18.hg3 a6=+) 16...a6 (16...h6 17.Qg3=+) 17.Ra2 (17.Rh4 b5=+) 17...h6=+ 18.Qh4 Re8 (18...Qe7 19.Qe7 Ne7 20.Na4=+) 19.Na4 (19.Qg3 Qe7=) 19...Qa5 20.c4 (20.Nc3 Qc7=+) 20...Nb4=+ 21.Ra3 e5 (21...dc4 22.Qc4 (22.Bc4? b5–+) 22...Bf8 23.Qb3=) 22.Raa1 (22.Rab3 Qa4 23.Rb4 Qd7 24.cd5 e4–/+) 22...e4=+ 23.Nd4 dc4 24.Bc4 Bd7 25.Qh5 (25.Qg3 A) 25...Ba4? 26.Ra4 Qe5 27.Qe5 (27.Rbb4?! b5=) 27...Be5 28.Rab4 (28.Rbb4?! b5 29.Nb5 ab5 30.Bb5 Ra4 31.Ra4 Rb8+=) 28...Bd4 29.Rb7+–; B) 25...Rad8=+) 25...Re7 26.Nc3 Qc5 27.Ra4 Nd3 28.Bd5 b5 29.Ba8 ba4 30.Bd5 Bd4 31.ed4 Qd6 32.Qh4 Kg7 33.Bc4 Re8 34.Bd3 ed3 35.d5 f4 36.f3 a3 37.Qf2 Rb8 38.Qd4 Kg8 39.Re1 Qb6 40.Qb6 Rb6 41.Ra1 Rb2 42.Kf1 Rd2 43.Ra3 Rc2 44.Ke1 Kf8 45.g4 Ke7 46.Kd1 f5 (47.gf5 Bf5–/+) 0–1. pierre – Kasker, internet, 2006.

    3.Qc1 Qb4–/+ 4.g3 (4.Nf3 d5–/+) 4...Qb6 5.Bg2 Nf6 6.Nf3 d6 7.0–0 e5 8.c4 Be7 9.d4 e4 10.Ng5 d5 (better is 10...Bf5!?–/+) 11.cd5= Bf5 12.f3 (12.d6!? Bd6 13.Nc3=) 12...cd5+= 13.fe4 Be4 (worse is 13...Ne4 14.Nf7 0–0 15.Rf5 Rf7 16.Rd5+/–) 14.Ne4 de4 15.Qc8 Qd8 (15...Bd8 16.Bc3 0–0 17.Nd2=) 16.Qd8 Bd8 (16...Kd8 17.Nc3+=) 17.Nd2 Nc6 18.Ne4 Ne4 19.Be4 Bb6 20.e3 0–0 21.Rac1 Rfe8 22.Bd5 Nd8 (22...Re7 23.Rf3+/–) 23.e4 Ne6 24.Rf2 Nd4 (better is 24...Rad8!? 25.Rcf1 Rd7+/–) 25.Bf7+– Kh8 26.Be8 Re8 27.Kg2 h6 (27...Kg8 28.Rd2 Re4 29.Rc4 Re2 30.Re2 Ne2 31.Re4+–) 28.Rc4 (better is 28.Rd2 Ne6 29.Rd7 Rd8 30.Rd8 Bd8+–) 28...Re4?! (28...Nb5 29.Rd2 Re7+–) 29.Rd2 Re2 30.Re2 Ne2 31.Re4 1–0. Jacewicz,Grzegorz (2125) – Pscheidl,Udo (1825), remoteschach.de, 2010.

    3.Bc3 Na6 4.a3 e6 5.e3 Nb4?? 6.ab4+– Bb4?? 7.Bg7 1–0. Wall,Bill – Clever, internet, 2004.

    3.Bc3 e6 4.a4 Bb4?? (better is 4...Nf6+=) 5.Bg7+– 1–0. Grehl,Siegfried – Hasler,Ulrich, corr 3GMM–03, 1994.

    3.c4 e6 4.c5 Bc5 5.Bg7?? Bf2# 0–1. Boldetsky,Pavlo – Tardel,Olaf (1770), Landesliga2 West, 2003.

    3.e3 d6 4.c3 Be6 (4...a5 5.b5=+) 5.d4 Nd7 6.a4 Nh6 7.a5 Qc7 8.Be2 g6 9.h3 Bg7 10.Nf3 0–0 11.0–0 d5 12.Nbd2 Nf6 13.c4 Nf5 14.Ne5 Nd7 15.c5 Ne5 16.de5 Be5 17.Rb1 Bb2 18.Rb2 d4 (18...b6!?=+) 19.e4+= Ng7 20.Nf3 Rad8 21.Rd2 d3 22.Bd3 Qf4 23.g3 (23.Qe2!?+=) 23...Qh6= 24.h4 Bg4 25.Be2 Rd2 26.Nd2 Be2 (26...Bh3!? 27.Re1 Rd8=+) 27.Qe2+= Ne6 28.Nf3 Rd8 29.Rd1 Rd1 30.Qd1 Kg7 (30...Qh5 31.Qd3+=) 31.Qd7 (better is 31.a6 ba6 32.Ne5+/–) 31...Qc1=+ 32.Kg2 h5?? (better is 32...Qb1 33.e5 Qb4 34.Qe7 h6=+ (34...Nc5?? 35.e6 Ne6 36.Qb4+–)) 33.Qe7 Qb1 34.Qb7 (better is 34.a6 ba6 35.Ng5 Ng5 36.hg5 Qb4 37.Qf6 Kf8 38.Qd6 Kg7 39.Qc6+–) 34...a6? (better is 34...Qe4 35.Qb8 Nd4 36.Qe5 Qe5 37.Ne5 f6+/–) 35.Qc6+– Qb4 36.Ne5?? (better is 36.Qa6 Nc5 37.Qb6 Qb6 38.ab6+–) 36...Nc5+= 37.Qd5 (37.Qc7 Qe4 38.Kh2+=) 37...Ne6? (better is 37...Qe4!? 38.Qe4 Ne4=) 38.Nd3 Qb5? (better is 38...Qc3+/–) 39.Qb5+– ab5 40.a6 Nc7 41.a7 Kf8 42.Ne5 (42.Nb4 Na8+–) 42...b4 43.Nc4 (43.Nd7 Ke8 44.Nc5 Na8+–) 43...Ke7 (43...b3 44.Kf3+–) 44.Kf1 (44.Nb6!? Kd8 45.Nd5 Na8 46.Nb4 Kc7+–) 44...Kd7 45.Ke2 Kc6 46.Kd3 Kb7 47.Nd6 Ka7 48.Nf7 Na6 49.Kc4 Kb6 50.Kb3?? (better is 50.f3!? Ka5 51.Nh8+–) 50...Ka5 (50...Nc5 51.Kb4 Ne4 52.f3 Ng3 53.Ne5+=) 51.Ne5 (51.Nd6!?+/–) 51...Nc5+= 52.Kc4 (better is 52.Kb2 Ne4 53.Ng6+/–) 52...Nb7?? (better is 52...Ne4 53.Nc6 Kb6 54.Nb4 Nf2+=) 53.Ng6 (better is 53.Nc6!? Ka4 54.Nb4 Na5 55.Kc3 Kb5+–) 53...Ka4 54.e5?? (better is 54.Ne5 Na5 55.Kd5+–) 54...b3–+ 55.Kc3?? (55.Nf4 b2 56.Nd5 Na5 57.Kd4 Nc6 58.Kc5–+) 55...Nc5 (better is 55...Ka3 56.e6 b2–+) 56.Nf4?? (better is 56.Kb2 Kb4 57.Nf4 Na4 58.Kc1+–) 56...Ka3=+ 57.e6?? (better is 57.Ne2 Ne4 58.Kd3=+) 57...b2–+ 58.e7 b1Q (better is 58...Ne4 59.Kd4 Nd6–+) 59.e8Q= Qc1?? (better is 59...Ne4 60.Kd4 Qa1 61.Ke3 Qe1 62.Ne2 Qf2 63.Kd3 Qf3 (63...Ng3?? 64.Qa8 Kb4 65.Qb8 Ka5 66.Qe5 Kb4 67.Ng3+–) 64.Kd4 Nd2+=) 60.Kd4+– Nb3 61.Ke5?? (better is 61.Kd5 Qd2 62.Kc6 Qc3 63.Kd6 Qc5 64.Ke6 Qb6 65.Kf5 Qf2 66.Qh5 Qg3 67.Qh6+–) 61...Qe1–+ 62.Kf5 Qe8 63.Kg5 Qe7 (better is 63...Qf7!? 64.Nh5 Nd4 65.Kh6–+) 64.Kh5 Nd4 65.Kg4 (65.f3 Qh7 66.Kg5 Qg7 67.Ng6 Ne6 68.Kf5 Qf7 69.Ke4 Qg6 70.Ke5 Nc5–+) 65...Qg7 66.Kh3 Nf5 (better is 66...Qd7 67.Kg2–+) 67.g4 (67.h5 Qg5–+) 67...Nh6 (67...Qc3 68.Kh2 Nh4 69.Nd5 Qe5 70.Kh3–+) 68.f3 (68.g5 Qd7 69.Kg2 Qg4 70.Kf1 Nf5–+) 68...Qb2 (68...Qc3!? 69.Kg2 Qd2 70.Kg3 Qe1 71.Kg2 Ng4 72.fg4 Qe4 73.Kg3 Qe3 74.Kg2 Qf4 75.h5–+) 69.Kg3 (69.Ne6 Qf2 70.Ng5 Kb4–+) 69...Qc1 (better is 69...Qe5–+) 70.g5 (70.Ng2–+) 70...Nf5 71.Kg4 Ne3 72.Kh5 Qc8 (better is 72...Qc7 73.Kg6 Qf4–+) 73.g6 Qh8 74.Kg5–+ Qd8 75.Kh6 (75.Kh5 Qf6 76.Nh3 Qf3 77.Kh6 Qh3 78.Kg5–+) 75...Nf5 76.Kh7 Qe7 77.g7 Qg7# 0–1. MasterofDisaster – ANONIMO, Live Game Caissa's Web, 2004.

    3.Nf3?! a5 4.Bd4 Qb4 5.a3 (5.Nc3 d5=) 5...Qd6 6.Nc3 Qg6 (6...b5!?=) 7.Na4+/– Na6 (7...Ra6 8.Qb1 d5+/–) 8.Nb6+– Rb8 9.Qb1 (< 9.Nc8 Rc8 10.Bb6 Nf6+=) 9...d6? (better is 9...e5 10.Ne5 Qe4+/–) 10.Nc8+– c5 (10...Nc7 11.Na7 Na6+–) 11.Qb5 Kd8 12.Nb6 (12...Kc7 13.Rb1+–) 1–0. Trkn – CoolChessWiz, ICC, 2005.

    3.a3 Qd4??

    4.Qc2 Qa1 5.Bb2 Qa2 6.e4 Na6 7.Nf3 Nb4 8.ab4 Qa6 9.Be2 Qb6 10.Qb3 f6 11.c5 Qc7 12.0–0 Nh6 13.d4 e6 14.Nbd2 b5 15.d5 e5 16.d6 Qd8 17.Nh4 g6 18.f4 Bg7 19.Nf5 Nf5 20.fe5 fe5 21.Rf5 Rf8 22.Rh5 Qf6 23.Re5 Kd8 24.Re8 Ke8 25.Bf6 Bf6 26.Qh3 Rf7 27.Nf3 a5 28.e5 Bd8 29.e6 de6 30.Ne5 Rg7 31.Ng6 Bg5 32.Bh5 Kd8 33.Qf3 1–0. Dupont – Diener, corr DDR 1988.

    4.Qc2 Qa1 5.Bb2 Qb2 6.Qb2 Nf6 7.Nf3 d6 8.d3 Bg4 9.Nbd2 e5 10.e4 Nbd7 11.Be2 Be7 12.0–0 0–0 13.Re1 Ne8 14.d4 ed4 ½–½. Pauli – W Labahn, 1980.

    4.Bd4+– Nf6 5.e3 Ne4 6.f3 Nf2 (6...Ng5 7.f4 Ne6 8.Bb2+–) 7.Kf2 e5 8.Bb2 Bb4 9.ab4 a5 10.Ra5 Ra5 11.ba5 Na6 12.Be5 Nb4 13.Bg7 d6 14.Bh8 Nd5 15.c4 Nc3 16.Nc3 Be6 17.f4 Bc4 18.Bc4 d5 19.Nd5! Kd7 20.Nb6 Kc7 21.d4 Kb8 22.Be5 Ka7 23.Nc8 Ka8 24.Qa4 f6 25.Bd6 f5 26.h4 h6 27.h5 b6 28.ab6 Kb7 29.Qa7 Kc8 30.Qc7 1–0. mihai740609 – margumek, kurnik, 2011.

    3.a3 d5

    (--> 1.b4 c6 2.Bb2 d5 3.a3 Qb6).

    4.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3).

    3.a3 d6

    4.e3 Nf6 5.Bc4 a5 6.Ne2 ab4 7.0–0 d5 8.Bd3 c5 9.Ng3 Nc6 10.ab4 Ra1 11.Ba1 Nb4 12.Be2 e6 13.Bf6 gf6 14.c3 Nc6 15.c4 Be7 16.cd5= ed5 17.Bg4 Be6 18.Bf5 h5 19.Nh5 Qc7 20.Qg4 Ne5 21.Qh3 Ng6 22.Nc3 Qc6 23.Ra1 b6 24.Ng7+/– Kf8 25.Ne6 fe6 26.Qg3 ef5 27.Qg6+– d4 28.ed4 cd4 29.Ne2 Rg8 30.Nd4 Rg6 31.Nc6 Rg4 32.d4 Re4 33.g3 Ke8 34.Ra7 Bd6 35.Rb7 Re1 36.Kg2 Rb1 37.h4 f4 38.gf4 1–0. pereira – wissem, internet, 2006.

    4.Nf3 e5 5.e4 Bg4 6.d4 Nd7 7.Be2 Ngf6 8.Nbd2 Be7 9.Nc4 Qc7 10.de5 de5 11.Nfe5 (< 11.Be5 Ne5 12.Nce5 Bf3 13.Nf3 Ne4=; < 11.Nce5 Bf3 12.Nf3 Ne4 13.Bg7 Rg8+=) 11...Be2 12.Qe2 0–0 13.Rd1 Rfe8? (Better is 13...Rad8+/–) 14.Nd7+– Nd7 15.Bg7! Kg7 (15...f5 16.Bb2 Bf8 17.Ne3 Re4 18.Qh5+–) 16.Qg4 Kh8 (16...Bg5 17.Qg5 (17.Rd7?! Re4 18.Qe4 Qd7+/–; 17.Qd7? Re4 18.Ne3 Be3–+) 17...Kf8 18.0–0+–) 17.Rd7 (17.Qd7?! Qf4 18.0–0 Qe4+/–) 17...Qc8 (17...Qb8 18.Qf5 a5 19.Re7 Re7 20.Qf6 Kg8 21.Qe7 Qe8 22.Qg5 Kf8 23.Qc5 Qe7 24.Qe7 Ke7 25.Na5 Ra7+–) 18.Qf5 Qd7 (18...Bb4 19.ab4 Re4 20.Ne3 Rf4 21.Qe5 f6+–) 19.Qd7 (19.Qd7 Bf6 20.Qf7 Re4 21.Ne3+–) 1–0. marekt – darkestnightmare, ChessWorld.net, 2004.

    4.Nf3 e6 5.e3 Be7?? 6.Bg7 Bf6 7.Bf6?? (better is 7.Bh8 Bh8 8.d4+–) 7...Nf6+/– 8.Be2 a5 9.ba5 Qa5 10.Nc3 Ng4 11.Nd4 Qh5?? 12.Bg4+– Qg5 13.h4 Qg7 14.Qf3 Rg8 15.Bh3 e5 16.Nf5 Bf5 17.Qf5 f6 18.Qc8 Ke7 19.Qd7 Nd7–+ 20.Ne4 d5 21.Nc3 Ra5 22.Ke2 d4 23.ed4 ed4 24.Ne4 f5 25.Ng3 Re5 26.Kf1 f4 27.Ne2 f3! 28.gf3 d3! 29.cd3 Re2! 30.Ke2 Qe5 31.Kf1 Qa1 32.Ke2 Qh1 33.d4 Qh3 34.Kd3 Qh4 35.Kc2 Qd4 36.d3 Qf2 37.Kc3 Qf3 38.Kc4 Rg4 39.Kc3 Rf4 40.a4 Nc5 41.a5 Qd3 42.Kb2 Rb4 43.Ka2 Qb3 44.Ka1 Qb1 (44...Ra4) 0–1. erisonpassos – goliathe, kurnik, 2011.

    3.a3 f6

    4.c4 e5 5.d4 d6 6.Nf3 a5 7.Qc2 ab4 8.de5 (better is 8.Qb3!?=+) 8...de5–/+ 9.e3 b3 10.Qd2 Bf5 11.Nc3 Nd7 12.e4 Bg6 13.Nh4 Bf7 14.Nf5 Qc7 15.Be2 g6 16.Ne3 Be6 17.0–0 Nh6 18.c5 (better is 18.Rfd1!?=+) 18...Rd8 19.Qc1 Nc5 20.Rd1 Nf7 21.Rd8 Nd8 22.Nf1 Be7 23.Qh6 Bf8 24.Qh4?? (24.Qc1 b5 25.Qe3–+) 24...Bg7 25.Rc1 Nd7 26.Nd5 Bd5 27.ed5 0–0 28.dc6 bc6 29.Ne3 Kh8 30.Nd5? Qd6–+ 31.Nb4?? Ne6 32.Nc6?? Qd2–+ 33.Rd1 Qe2 34.Rb1 Ndc5 35.Nb4 Nd3 (35...Nd3 36.Nd3 Qd3–+) 0–1. d4nf6 (1800) – mily358 (1625), kurnik, 2011.

    4.d3 e5 5.Nd2 Bc5 (5...d5 6.e4=) 6.e3 a5?? (6...d5 7.c4 Be6 8.Be5 Be3 9.c5 Bd2 10.Qd2+=) 7.Rb1?? (better is 7.Nc4 Bb4 8.ab4+–) 7...ab4+= 8.ab4 (8.d4 Be7 9.de5 Qd8 10.ab4 Bb4+/–) 8...Be7 9.c3 Nh6 10.Ngf3 0–0 11.Be2 Na6 12.0–0 Nc7 13.Nc4 Qb5 14.d4+/– Qa4 15.de5 fe5 16.Nfe5 Bf6? 17.Ra1?? Qb3?? 18.Qb3+– Be5 19.Ne5 Kh8 20.Ra8 Na8 21.Rd1 Nb6 22.c4 d6 23.Ng4! Rd8 24.Qc3 Rd7 25.Nh6 Na4 26.Qb3 Nb2+– 27.Qb2 d5 28.cd5 cd5 29.Nf5 Rd8 30.Rd5! Rd5 31.Qg7# 1–0. golfx – holyport, kurnik, 2011.

    4.Nf3 e5 5.e3 d5 6.d4 e4 7.Nfd2 Bd6 8.c4+= Ne7? 9.c5+– Bc5 10.dc5 Qc7 11.Be2 Nd7 12.0–0 Ng6 13.f3 f5 14.fe4 de4 15.Bg7 Rg8 16.Bh6 Ke7 17.Bg5 Kf7 18.Bc4 Kg7 19.Bg8 Kg8 20.Rf5 Nde5 21.Qb3 Kg7 22.Rf1 Bd7 23.Nc4 Be6 24.Nbd2 Bg4 25.Ne4 Be2 26.Ne5 Bf1 27.Ng6 hg6 28.Rf1 Re8 29.Nd6 Re5 30.Bf6 Kh7 31.Be5 Qe7 32.Rf7 Qf7 33.Qf7 Kh6 34.g4 b6 35.h4 bc5 36.Qg7# 1–0. Bull_Dog_Baz – gordiemac, ChessWorld.net, 2009.

    3.Na3 Qb4–/+

    4.Rb1 Qa4 5.e3 Nf6 6.Bc4 d5–/+ 7.Bb3 Qa6 8.c4 e6 9.Qc1–/+ Nbd7 10.Nf3 Be7 11.0–0 0–0 12.d4 b6 13.Bc2 Qa5 14.Bd3 Ba6 15.Nd2 dc4 16.Nac4=/+ Qh5 17.e4 c5–/+ 18.d5 ed5–+ 19.ed5 Bd6! 20.Nf3 Bc4 21.Qc4 Rae8 22.Rfe1 Ng4 23.h3=/+ Nge5 24.Ne5 Be5 25.Be5 Ne5 26.Qb3 Rd8 27.Rbd1 Rd6 28.Qb1 Nd3–/+ 29.Qd3 h6 30.Re2? Rfd8 31.Red2 Qe5 32.Qf3 a6 33.Re2 Qf6 34.Qf6 gf6–+ 35.Rb2 Kg7 36.f3 f5 37.f4 b5–+ 38.Rbd2 Re8 39.Kf2 Re4 40.Kf3 Kf6 41.g4 Ra4 42.Rc2 Ra3 43.Kf2 Rh3 44.Rc5 fg4 45.Rc6 Rc6 46.dc6 Rc3–+ 0–1. Kuehnmund,Ivan – Hora,Vratislav, CSR Army–ch (1), 1966.

    4.Rb1 e5 5.Nf3 f6 6.e3 d5 7.c3 Qa5 8.Qb3 Nd7 9.Be2 Nc5 10.Qc2 –/+.

    4.Rb1 Nf6 5.e3–/+ d5 6.c4 e5 7.Nc2 Qe7 8.d4 Nbd7 9.Ba3 Qe6 10.Bf8 –/+.

    3.c3 a5

    (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6).

    4.a3 ab4 5.ab4 Ra1 6.Ba1 d5 7.e3 Nf6 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.e3).

    4.a3 ab4 5.ab4 Ra1 6.Ba1 e5 7.e3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.e3 e5).

    3.c3 c5

    4.a3 d5 5.e3 (5.Nf3 Nf6=) 5...Bf5 6.Qb3 (6.Nf3 Nc6=) 6...c4=+ 7.Qd1 Qg6 8.Nf3 Bc2 9.Qc1 Nc6 (9...Nf6 10.Ne5 Qf5 11.f4–/+) 10.b5=+ Nd8 11.a4 (11.Ne5 Qe4 12.f3 Qe5 13.Qc2 Nf6=) 11...e6 12.g3 (12.Ba3 Ba3 13.Na3 Be4=+) 12...Be7 (12...Be4 13.Bg2–/+) 13.Bg2 Qe4?? (13...Be4 14.Ba3–/+) 14.0–0?? (better is 14.Nh4 Qd3 15.Bf1 Bb1 16.Bd3 Bd3 17.Ba3+–) 14...Bd3 15.Re1 f6 16.Ng5 Qf5 17.Nh3 Nf7 18.Qd1 0–0–0–/+ 19.Nf4 Bc2 20.Qc1 Rd7?? 21.Ba3?? b6?? 22.Be7 Ne7 23.Qa3?? g5=+ 24.Bh3 g4–/+ 25.Bg2 e5 26.Ne2 h5 27.a5= h4 28.ab6 hg3? 29.Qc5+– Kd8 30.fg3 Qh7?? 31.Rf1 Qh2= 32.Kf2 Be4 33.Rg1 Bg2 34.Rg2 Qh1 35.ba7 Ke8 36.a8Q Nd8 37.e4 de4 38.Qe4 Rh2 39.Qcc4 f5 40.Qa8 Nd5 41.Qcd5 Rd5 42.Qd5 Rg2 43.Qg2 Qh6 44.Ra8 Qb6 45.Ke1 Qb5 46.Na3 Qc5 47.Qb7 Qd6 48.Nb5 Qd7 49.Qb6 f4 50.Nd6 Ke7 51.gf4 Nc6 52.Nc8 Kf7 53.fe5 Ne5 54.Nd6 Ke7 55.Ra7 Nd3 56.Kf1 Qa7 57.Nf5 Kd7 58.Qa7 Ke6 59.Neg3 Nc1 60.c4 Ke5 61.Qe7 Kf4 62.Qe3# 1–0. NN – Computer, 1991.

    4.a3 Nf6 5.e3 Nc6 6.d4 d6 (6...cd4 7.cd4 d5 8.Bd3=) 7.Nf3 Bf5 8.Bd3 Bd3 9.Qd3 cd4 (9...cb4 10.cb4 d5 11.0–0=) 10.cd4 Qc7 (10...d5 11.0–0=) 11.0–0 (11.d5 Ne5 12.Ne5 de5+=) 11...e6 12.b5 Ne7 13.Nbd2 (13.Rc1 Qb6+/–) 13...d5 14.a4 (14.Rfc1 Qd6+=) 14...Nf5 (14...Rc8 15.Rfc1 Qd6 16.a5+=) 15.Rfc1+= Qd7 (15...Qa5 16.Ba3+=) 16.Ne5 Qd8 17.Qc2 (17.Ba3 Ba3 18.Ra3 Rc8 19.Rc8 Qc8+/–) 17...Bb4 (17...Bd6 18.Ba3+=) 18.Ba3 Ba3 (18...Bd2 19.Qd2 Ne4 20.Qd3+=) 19.Ra3+/– Nd7 20.Nd7 Qd7 21.Rc3 b6 22.Rc7 Qd8 23.Qc6+– Kf8 24.Nf3 h6 25.Ne5 Ne7 26.Re7! Ke7 27.Qb7 Qd7 28.Qd7 Kf6 29.Qf7 Kg5 30.Qg7 Kf5 31.Qg6# 1–0. Mephisto Mondial12 – GrandMasterChess, 1994.

    3.c3 e5

    4.a3 a5 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 e5).

    4.Qb3 d5 5.e3 (5.Nf3 e4 6.Nd4 Bd6=+) 5...Nf6 (5...Nd7 6.Nf3=+) 6.Nf3 (6.c4 Nbd7 7.c5 Qc7=+) 6...Nbd7 (6...e4 7.Nd4=+) 7.Be2 Bd6 8.0–0 (8.Nh4 Nf8=+) 8...0–0 9.d3 a5 10.ba5 Qa5 11.d4 (11.c4 e4 12.de4 de4–/+) 11...e4 12.Nfd2 (12.Nh4 Qc7–/+) 12...Qc7 (12...b5 13.Qc2–/+) 13.g3 (13.h3 b6=+) 13...c5 (13...b5 14.Ba3–/+) 14.Rc1 (better is 14.c4!?=+) 14...c4–/+ 15.Qd1 b5 16.a3 (16.a4 Qb6–/+) 16...Nb6–+ 17.Nf1 Na4 18.Rc2 (18.Qc2 Ra5–+) 18...Bf5 19.Qc1 Qd7 20.Bd1 Bh3 21.Be2 Qf5 22.Qe1 h5 23.Bc1 Rfe8 24.Nbd2 Re6 25.f3? ef3 26.e4 Ne4 27.Nf3 Nec3 28.Ne3 Re3! (29.Be3 Qc2–+) 0–1. Engles,Michael – Nilsson,Egon, CD.2001.0.00018, 2001.

    4.Nf3 e4 5.Nd4 d5 6.e3 Nd7 (6...Nf6 7.a3=+) 7.Qb3 Ngf6 8.Be2 c5 (8...a5 9.a3=+) 9.bc5= Qc7 10.c6 (10.Nb5!? Qc6 11.Nd6 Bd6 12.cd6 Qd6 13.Ba3=) 10...bc6 =+.

    3.Bc3 Nf6

    4.d3 d5 5.Bd2 e5–/+ 6.c3 Bd6 7.Na3 Be6 8.Nc2 0–0 9.e3 Nbd7 10.g3 a5 11.a3 Bf5 12.f3 e4 13.fe4 de4 14.d4 Qc7 15.Kf2 ab4 16.ab4 Ra1 17.Na1 Ra8 18.Nb3 Nd5 19.c4 N5f6 20.Be2 h5 21.Kg2=+ Ra3 22.c5 Be7 23.Na5 b6 24.Nc4 Ra2=+ 25.Nh3 Nd5 26.Nf2 b5 27.Na5? Bg5–+ 28.Re1? Be3 29.Bc1 Bc1 30.Qc1 Nb4 31.Nb3 Nf6 32.Kg1 Qd7 33.Bf1 Qe6 34.Qd1 e3 35.Nd3 Nd3 36.Bd3 Bd3 37.Qd3 Qd5 (37...Qd5 38.Re2 Re2 39.Qe2 Qb3–+) 0–1. Alipov,Anatoli Al (2145) – Bashkite,Viktoria (2130), Serpukhov–C, 2004.

    4.e3 d6 5.Nf3 e5 6.Be2 Be7 7.0–0 Nbd7 8.a3 Qc7 9.d4 (9.Bb2 0–0=) 9...e4+= 10.Nfd2 d5 11.f3 0–0 12.fe4 de4 13.Nb3 Bd6 14.N1d2? (better is 14.h3+=) 14...Bh2 15.Kh1 Nd5 16.Bb2?? (better is 16.Ne4 Ne3 17.Qd3 Nf1 18.Rf1–+) 16...Ne3 17.Qc1 (17.Qe1 Bg3 18.Rf2 Nc2 19.Qd1–+) 17…Qg3 (17...Qg3 18.Rf2 Qf2–+) 0–1. Neumann,Frank – Thoernqvist,Christer, corr EU/WS/O/002 ICCF, 2008.

    3.Nc3 Qb4

    4.Rb1=+ Qa5 5.e4 Nf6 6.Nf3 g6 7.Bc4 Bg7 8.e5 Nd5 9.Nd5 cd5 10.Bb3 e6 11.Bc3 Qa3 12.0–0 Nc6 13.Bb2+= Qe7 14.d4 0–0 15.Qc1 b5 16.c3 a5 17.a4 b4 18.Re1 Ba6 19.Ra1 Rfc8 20.Qd2 Rab8 21.Bd1 Rb6 22.Be2 Be2 23.Re2 Qd8 24.cb4 Nb4 25.Ba3 Nc2 26.Ra2 Rb1 27.Ne1 Na3 28.Ra3 Rcc1 29.f4 Bf8 30.Rb3?? Bb4 31.Rb4 ab4 32.Kf2 Qh4 33.g3 Qh2 34.Ng2 Qg1 35.Kf3–+ h5 36.Ne3 Rf1! 37.Nf1 Rf1 38.Rf2 Qf2 39.Qf2 Rf2 40.Kf2 0–1. Lerat,Paul Pascal (1830) – Briquet,Jean Pierre (2090), Checy op 1st, 2002.

    4.Rb1 Qa5 5.Nf3 Nf6 6.e3 Na6 (6...d5 7.Be2=+) 7.Nd4 (7.Ba6 Qa6 8.d3 d6–/+) 7...e5 8.Nb3 Qc7 9.Ba6 ba6 10.0–0 (10.d4 ed4 11.Nd4 d5=) 10...d5 11.Ne2 Bd6 12.d3 (12.f4 Rb8=+) 12...0–0 (12...Rb8 13.f4–/+) 13.Qd2 Nh5 14.Ng3 Ng3–/+ 15.hg3 Rb8–+ 16.Qe2 a5 17.Nd2 Rb4 18.e4 Be6 19.Bc3 Rb1 20.Rb1 d4 21.Bb2 Ba2 22.Ra1 Be6 23.Ba3 Ba3 24.Ra3 Rb8 25.Nb3 Qd6 26.Ra5 Bb3 27.cb3 Rb3 28.Qc2 Rc3 29.Qb1 Qc7 30.Qa1 Rd3 31.Ra7 Rd1 32.Qd1 Qa7 33.f4 d3 0–1. Bravo,Angelo – Carpintero,Javier (2255), POR–chT, 1995.

    4.Rb1 Nf6 5.e3 e5 6.Nf3 Qa5 7.Ne5= d5 8.Be2 Bd6 9.f4 b5 10.Bf3 0–0 11.g4 Nfd7 12.Nd3 Nb6 13.0–0 Nc4 14.Nb5 Qb5 15.Bg7 Qa5 16.Bf8 Bf8 17.Rf2 Nd7 18.c3 Nc5 19.Nb4 Bd7 20.Qf1 Nd6 21.Qh3 Nde4–/+ 22.Rg2 Qd8 23.Qh5 Rb8 24.Rc1 Qe7 25.d4 Nd2 26.Bd5+= Qe3 27.Kh1 Ne6 28.f5 Ng5 29.Rg3 Ndf3 30.Rf1? cd5 31.Nd5 Qe2 32.Rgf3 Nf3 33.Qh3 Ng5 34.Nf6 Kg7 (34...Kg7 35.Qg2 Qg2 36.Kg2 Kf6–+) 0–1. Andrenko,Irina – Hrabinska,Myroslava (2220), UKR–ch (Women), 2004.

    3.e3 Qb4

    4.c3?? Qb2–+ 5.Qb3 (5.Na3 Qa3 6.Nf3 Nf6–+) 5...Qa1 6.Ne2 d5 7.Nd4 e5 8.Nf5 Bf5 9.e4 Be4 10.Ke2 Qb1 11.g4 Qb3 12.ab3–+ Bh1 13.f3 Bc5 14.b4 Bg1 15.Ke1 Bh2 16.Kf2 g5 17.Bg2 Bg2 18.Kg2 Bf4 19.d4 h5 20.de5 a5 21.Kh3 h4 22.Kg2 ab4 23.cb4 Ra2 0–1. Toddo – _Dora_, ChessWorld.net, 2002.

    4.Bc3 Qb6 5.Nf3 =+.

    4.Bd4 d5 5.c3 Qd6 6.c4 dc4 7.Bc4 e5 8.Bb2 Be6 9.Be6 Qe6 10.d4 Qd5 11.Nf3 e4 12.Nfd2 Bb4 13.0–0 Nf6–/+ 14.a3 Ba5 15.Bc3 Nbd7 16.Ba5 Qa5 17.Nc4 Qd5–/+ 18.Qc2 0–0 19.Nbd2 Rfe8 20.a4 a5 21.Qb3 b5 22.ab5 cb5 23.Na5=+ Qb3 24.Nab3 Nb6 25.Ra8= Ra8 26.f3 ef3=+ 27.Rf3 Nc4 28.e4 Ra2 29.Nc4 bc4 30.Nc5 Rc2 31.d5 Kf8 32.d6 Ke8?? 33.e5?? Nd7?? 34.Nd7+/– Kd7 35.Rf7 Ke6 36.Re7 Kf5 37.d7 Rd2 38.e6?? c3= 39.d8Q Rd8=+ 40.Rc7 Ke6 41.Rc3 h5 42.Rf3 Rd1 43.Kf2 Rd2 44.Kg1 g5=+ 45.h3 Ke5 46.Kh2 g4 47.hg4 hg4 48.Rc3 Kf4 49.Rc4 Kg5 ½–½. Charlemagne – Istvanny (1620), internet, 2007.

    3.Nf3?! Qb4

    4.Ba3 Qb6 5.Nc3 (5.e4).

    4.Bc3 Qb6 5.e3 d5 6.Bd3 Nd7 7.0–0 Qc7 8.Re1 e5–/+ 9.e4 d4 10.Bb2 a6 11.c3 c5 12.c4 Ngf6 13.h3 Bd6 14.Nh2 0–0 15.Qc2 Rb8 16.Be2 b5 17.Na3 Qa5 18.cb5 ab5 19.Nb1 c4 20.d3 Qe1 21.Nf1 Ba6 22.Nc3 Qa1 23.Ba1 dc3 24.Bc3 b4 25.Bd2 b3 26.ab3 cb3 27.Qb2 Ne4! 28.de4 Be2 29.Ng3 Bc4 30.Nf5 Bb4 31.Bb4 Rb4 32.f4 Be6 33.Ng3 Rc8 34.Qa3 Rbb8 35.f5 Bc4 36.Qe7 Rd8 37.Nh5 g6 38.Ng3 b2 39.fg6 b1Q 40.Kh2 hg6 41.Qg5 Qb6 42.Nf5 Qf6 43.Qg3 Kh7 44.Ne3 Qf4 45.Nc4 Rb1 46.Qf4 ef4 47.Nd2 Re1 48.h4 Ne5 49.Kh3 Rd2 (50.Kh2 Ng4 51.Kh3 Nf2 52.Kh2 Rh1#; 49...Rh1#) 0–1. dodobonito – ball, internet, 2006.

    3.a3 a5

    4.b5 Qb5 5.Bd4 c5 6.a4 Qb6 7.Bc3 d5 8.d4 Nc6 9.Nf3 e6 10.e3 c4 11.Be2 Nf6 12.0–0 Bb4 13.Be1 Ne4 14.c3 Bd6 15.Nfd2 Nf6 (15...f5 16.Ne4 fe4 17.Na3–/+) 16.f3 (16.Na3 Be7–/+) 16...Qb2 (16...Ne7 17.Na3–/+) 17.Nc4 dc4 18.Nd2 Qb6 (18...Qc3? 19.Nc4 Qa1 20.Nd6 (20.Qa1?! Bc7+–) 20...Kd7 21.Qa1 Kd6 22.Qa3 Kd7 23.Bb5+–) 19.Nc4 Qc7 20.Nd6 Qd6 21.Bg3 Qe7 22.e4 0–0 23.Bh4 Qe8 (23...e5!?–+) 24.Bf6–/+ gf6 25.f4 Kh8 26.Rf3 e5 27.d5 Ne7 28.f5 Bd7 29.c4 (29.Qb3 Nc8+=) 29...b6–/+ 30.Bd3 Rg8 31.Bc2 (31.Qb3 Rb8–/+) 31...Qc8–+ 32.Rc3 Qc5 33.Kf1 Nc8 34.Raa3 Nd6 35.Bd3 Bc8 (35...Qd4 36.Qe2–+) 36.Ra2 (better is 36.Qf3–+) 36...Qd4 37.Rac2 (37.Qb3–+) 37...Ne4 38.Qe1 (38.Ra3 Rg5 39.Ke1 Rf5 40.Be4 Rf1 41.Kf1 Qd1 42.Kf2 Qd4 43.Re3 f5 44.Bf5 Bf5–+) 38...Nc3 39.Rc3 (39.Qc3 Qf4 40.Kg1 Bd7–+) 39...Qf4 40.Kg1 Bf5 41.Bf5 Qf5 42.Rf3 (42.g3 Rac8 43.Qe2 Qb1 44.Kg2 Qb4–+) 42...Qc2 (better is 42...Qf3! 43.Qf1 Qf1 44.Kf1 Rac8–+) 43.g3 (43.Qf1 Rg4 44.Re3 Rf4–+) 43...Rg6 44.Qf1 Kg7 45.h3 (45.Qd3 Qa4 46.d6 Qc6–+) 45...Qa4 46.g4 Qd7 (46...Rc8 47.Rc3–+) 47.Rf5 (47.Kh2 b5!–+) 47...a4 48.Qf3 (48.Kh2 a3 49.Rf2 h5–+) 48...Qd6 (48...a3 49.Qd3 a2 50.Rf1–+) 49.h4 (49.Qe2–+) 49...a3 50.h5 a2 (50...a2 51.Kg2 a1Q 52.hg6 Ra2 53.Qf2 fg6 54.Rf4 ef4 55.g5 Rf2 56.Kf2 Qc5 57.Kg2 Qag1 58.Kf3 Qce3#) 0–1. Pachurka,Roland – Haversick,Axel (1790), Schleswig Holstein–ch cand, 2005.

    4.Nc3 Nf6 5.Na4 Qc7 6.Nf3 b5 7.Nc5 d6 8.Nb3 ab4 9.ab4 Ra1 10.Qa1 e5 11.d3 Nbd7 12.e4 Be7 13.Be2 0–0 14.0–0 Nb6 15.d4 Ne4 16.de5 d5 17.e6 f6 (17...Bb4?! 18.Bg7 Be6 19.Bf8 Bf8 20.Bd3+=) 18.Nfd4 Bb4 19.Na5 Bb7 20.Nb7 Qb7 21.Bd3 Re8 22.Qd1 Nc4 23.Bc1 g6 24.Be4 (24.Bh6 Bc5 25.Be4 de4–+) 24...de4–+ 25.Qg4 c5 26.Ne2 f5 (better is 26...Ne5!? 27.Qh3 Qc6–+) 27.Qg5–/+ Qe7 (27...Re6 28.Qd8 Kg7 29.Rd1+–) 28.Qe7 Re7 29.Nf4 Ba3 30.Be3 Ne3 31.fe3 c4 32.Rd1 Kg7 33.Rd8 g5 34.Ne2 Re6 35.Nd4 (35.Rd5 Kf6 36.Rb5 Kg6–/+) 35...Rb6–+ 36.Nf5 (36.Ra8 b4 37.Nf5 Kg6 38.Ne7 Kf7–+) 36...Kg6 37.g4 b4 38.Rd1?? (38.Rg8 Kf6 39.Ng3–+) 38...b3–+ 39.cb3 c3 40.Nd4 Rd6 41.Kf2 Rd4! 42.Rd4 (42.Rd4 c2 Passed pawn; 42.ed4 c2 Passed pawn) 42...c2 (42...c2 43.Rc4 c1Q 44.Rc1 Bc1–+) 0–1. hanzelpeter (2265) – deepthough (2390), gameknot.com, 2015.

    4.e3 d5 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3 a5).

    4.e3 d6 5.Bd4 Qc7 6.Nf3 e5 7.Bb2 Nf6 8.c4 Bg4 9.Be2 Nbd7 10.0–0 Be7 11.Nc3 0–0 12.Qc2 Rfe8 13.Rfc1 Bf8 14.e4 Nh5 15.h3 Bf3 16.Bf3 (worse is 16.gf3 Nf4 17.Bf1 Qd8–/+) 16...Nf4 17.Ne2 Ne6 18.g3 g6 19.Qd3 h5 20.Kh2 ab4 21.ab4 Qb6 22.Kg2 Qb4 23.Rcb1 Ndc5 24.Qc2 Qb3 25.Qb3 Nb3 26.Ra8 Ra8 27.Bc3 Nbc5 28.h4 Ra4–+ 29.Rb4? Rb4 30.Bb4 Nd3 31.Ba3 b5 32.cb5 cb5 33.g4 b4 (33...b4 34.Bb4 hg4 35.Bg4 Nb4 36.Be6 fe6–+) 0–1. Leon Manas,Jose F (1720) – Vega Gutierrez,Sabrina (2325), Las Palmas ESP, 2011.

    4.e3 e6 5.Nf3 Nf6 6.Be2 (6.Bd4!? Qc7 7.b5+=) 6...ab4= 7.Ne5 (7.0–0!?=) 7...d5–/+ 8.0–0 Be7 9.Bh5 (9.ab4!? Ra1 10.Ba1 Bb4 11.Nd3+=) 9...Nh5–/+ 10.Qh5 0–0 11.Ng4? (11.ab4!? Ra1 12.Ba1 Qb4 13.Nc3–/+) 11...f6 (11...b3 12.cb3 Qb3 13.Bc3–+) 12.f4 (better is 12.ab4!? Ra1 13.Ba1–+) 12...ba3 13.Ba3 (13.Ra2 ab2 14.Ra8 Nd7–+) 13...Ba3 14.Ra3 (14.Na3?? Qc5–+) 14...Ra3 15.Na3 Qb2 16.Rf3 (16.Nb1–+) 16...Qa3 17.Nh6 (17.Rf1 Qb2–+) 17...gh6 18.Rg3 Kh8 19.Qh6 (19.h3 Rg8 20.Rg8 Kg8–+) 19...Qe7 (better is 19...Qc1 20.Kf2 Qd2 21.Kf3 Qd1 22.Kf2–+) 20.Rg6 (20.Qh5 Nd7–+) 20...Bd7 21.g4 (21.Qh4–+) 21...Be8 22.Rf6 Qf6 23.Qf6 Rf6 0–1. jeich (1745) – spargeltarzan (1680), gameknot.com, 2013.

    4.ba5?? Qb2–+

    5.Nc3 Ra5 6.a4 Qb6 7.e3 Nf6 8.Nf3 e6 9.Be2 Be7 10.–0 d5 11.d4 0–0 12.Bd3 Nbd7 13.Qe2 Qc7 14.Ng5 (14.e4 de4 15.Ne4 c5–+) 14...h6 15.Nh3 e5 16.Bf5 e4 17.Qd2 b5 (better is 17...Bd6!? 18.Kh1–+) 18.ab5 Ra1 19.Ra1 cb5 (better is 19...Nb6!? 20.Bc8 Rc8 21.Qd1–+) 20.Nb5 Qc6 21.Na7 Qc4 22.Nc8 Qc8 23.Nf4 Qc4 24.g4 (24.Ra7 Qc6–+) 24...Rc8 25.h4 Qc2?? (better is 25...g6 26.Bd7 Nd7–+) 26.Qc2–/+ Rc2 27.g5 hg5 28.hg5 Ng4 (28...g6 29.gf6 Nf6 30.Nd5 Nd5 31.Be4 Ne3 32.fe3+=) 29.Bd7 (better is 29.Nd5!? Bg5 30.Bg4+–) 29...Nf2= 30.Nd5 (30.g6!? fg6 31.Ng6=) 30...Bg5+= 31.Rf1 Ng4?? 32.Bg4+– Rb2 33.Bd7 Rb3 34.Be8 Be3 35.Ne3 Re3 36.Bf7 Kh7 37.Kf2 Rh3 38.Kg2 Rh6 39.Rh1 Rh1 40.Kh1 g5 41.Kg2 Kg7 42.Bd5 Kf6 43.Be4 Ke7 44.Kg3 (44.Kg3 Ke6 45.Kg4+–) 1–0. onny555 (1660) – alanbstard (1640), gameknot.com, 2009.

    5.Nc3 Ra5 6.a4 d5 7.Nf3 –+.

    5.Nc3 Ra5 6.a4 g6 7.e4 d5 (7...Bg7!? 8.Rb1 Qa3 9.Nge2–+) 8.ed5 Bh6 9.Ra2 (9.Rb1 Qa3–+) 9...Qb4 10.dc6 Nc6 11.g3 (11.Ra1 Nf6–+) 11...Bd7 12.Bb5 Bg4 13.Nf3 (13.f3 Bg7 14.fg4 Bc3–+) 13...Nf6 14.0–0 0–0 15.Kg2 Rd8 16.Qe1 (16.Nb1 Nd4 17.Be2 Ne2 (17...Ra4?! 18.c3 Ne2 19.Ra4 Bf3 20.Kf3–+) 18.Qe2 b5–+) 16...Bd2! 17.Nd2 Qc3 18.Nc4 Qf3 19.Kg1 Bh3 20.Ra3 (20.Ne3 b6 21.Be2–+) 20…Qg2# 0–1. irish paddy – AsceticKingK9, ChessWorld.net, 2012.

    5.Nc3 Ra5 6.Nf3 Qb6 7.e3 Nf6 8.h3 g6 9.Bd3 Bg7 10.g4 d5 11.Nd4 c5 12.Nb3 Ra8 13.Be2 Nc6 14.Bf3 e6 15.Bg2 Bd7 16.0–0 0–0 17.a4 c4 18.Nd4 Nd4 19.ed4 Qd4 20.Ne2 Qb6 21.c3 Rfc8 22.Nd4 Ne8 23.Rb1 Qd6 24.Nb5 Bb5 25.ab5 (25...Qf4 26.Rb2–+; 25.Rb5 Rcb8–+). kingsknight59 – FatMaHa, ChessWorld.net, 2005.

    4.c3

    (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3).

    4.c3 d5 5.e3 Nf6 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 Nf6 5.e3 d5).

    4.c3 ab4

    5.ab4 Ra1

    6.Ba1 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3).

    6.Ba1 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5).

    6.Ba1 d5 7.d3 Bf5 8.Nd2 Nf6 9.e3 e6 10.Ngf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Bf5 8.d3 Nf6 9.Nbd2 e6 10.e3).

    6.Ba1 e5 7.e3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.e3 e5).

    6.Ba1 Nf6 7.Na3 d5 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.Na3).

    6.Ba1 Nf6 7.e3 d5 8.Nf3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6 8.e3).

    6.Ba1 Nf6 7.Nf3 d5 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c3 d5 7.Nf3 Nf6).

    6.Ba1 Nf6 7.Nf3 g6 8.g3 Bg7 9.Bg2 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.g3 c6 5.a3 a5 6.Bg2 ab4 7.ab4 Ra1 8.Ba1 Qb6 9.c3).

    4.Bc3 ab4=+

    5.ab4 Ra1 6.Ba1 Qb4 7.e3 Nf6 8.Bc3 Qb6 9.Bd3 g6 10.Nf3 Bg7 11.0–0 0–0 12.Nd4 (12.Na3 d5–/+) 12...Nd5 13.Qg4 d6 14.Qh4 Nc3 15.Nc3 c5 (15...Bf6 16.Qh6–/+) 16.Ndb5 (better is 16.Nd5 Qd8 17.Ne7 Kh8 18.Nf3=) 16...Bd7?? (16...Nc6 17.Nd5 Qd8 18.Rb1–/+) 17.Qe4?? (better is 17.Nd5 Qd8 18.Ne7 Kh8 19.Nd6+–) 17...e6 18.Rb1 Bc6 19.Qf4 (19.Nd6? Qb1 (19...Be4?! 20.Rb6 Nd7 21.Rb1 Bd3 22.cd3+=) 20.Nb1 Be4 21.Be4 b6–+) 19...Qc7?? (better is 19...Be5 20.Qg4 Bb5 21.Nb5 Nc6–/+) 20.Nc7+– Nd7 21.Qd6 (better is 21.Bb5 Be5 22.Qa4 Bb5 23.Qb5 Rd8 24.Qb7 Bc3 25.dc3 Rb8 26.Qb8 Nb8 27.Rb8 Kg7 28.Ne8 Kf8 29.Nd6 Ke7+–) 21...Ne5 (21...Be5 22.Qe7 Bf6 23.Qf8 Kf8+–) 22.Qc5 (22.Bb5 g5+–) 22...Ng4 23.h3 Ne5 24.Ne4 Rd8 25.Rb3 (25.Qe7 Rf8+–) 25...h5 26.Qe7 Rd7 27.Nf6 Bf6 28.Qf6 Rd5 29.f4 (29.Ra3 b6 30.Nd5 ed5 31.Qe5 f6 32.Qf6 d4 33.Bc4 Kh7 34.Ra7 Kh6 35.f4 de3 36.Qg5) 29...Nd7 30.Qd8 Kg7 31.Ne8 Kh6 32.Nf6 (32.Qe7 Ba4 33.Qf7 Bb3 34.Qg6) 32...Nf6 33.Qf6 Ra5 (33...Rd8 34.Qf7 Be8 35.Qf8 Kh7 36.Qe7 Kh6 37.Rb7 Rd7 38.Qe8 Kg7 39.Rd7 Kf6 40.Qg6) 34.Qh8 1–0. brasseur – shogunel, kurnik, 2014.

    5.Bb4 Na6 6.Bc3= e6 (6...d6 7.e3=) 7.Nf3 d5 8.d4 (8.e3 Nf6=) 8...c5 (8...Nf6 9.Nbd2=+) 9.e3= cd4 (9...Nf6 10.Nbd2=) 10.Bd4 Qa5 11.Qd2 Qd2 (11...Nc5 12.Ra2=) 12.Nbd2+= Nc7 (12...Ne7 13.c4=) 13.Bd3 (13.c4 Bd7+= (13...Ra3?? 14.Ra3 Ba3 15.Bg7+–; 13...Ba3 14.Bg7 Bb2 15.Ra8 Na8 16.Bb2+–)) 13...f6 (13...Nf6=) 14.0–0 (14.Bb6!? Na6 15.Nb3+=) 14...Ra3=+ (< 14...Ba3 15.Bb6 Bd6 16.Bc7 Ra1 17.Bd6+/–) 15.Ra3 (15.Bb6 Ra1 16.Ra1 Kd7=+) 15...Ba3 16.Bb6 Bd6 (16...Na6 17.Ra1 Bd6 18.e4=+) 17.c4 Na6 (17...Na8 18.c5=+) 18.cd5 (18.Rc1 Ba3 19.Ra1 Bb4=) 18...ed5=+ 19.e4 (19.Ra1=+) 19...Nc5 (better is 19...Ne7!?–/+) 20.Bb5 (20.Bc5 Bc5 21.ed5 Ne7+=) 20...Bd7= 21.Bd7 Nd7 22.Rb1 Ne7 23.Be3 Bc5 24.Bc5 Nc5=+ 25.ed5 Kd7 26.Rd1 Nd5 27.Nc4= Ke6 28.Nd4 Kf7 29.Nd6 Kg6?? 30.Rb1?? Rd8 31.N6b5 Nf4 32.g3–/+ Nfe6 33.Ne6 Ne6 34.Nc3 Rb8 35.Rb6 Kf7 36.f4 Nf8 37.Ne4=+ Nd7 38.Rb5 b6–/+ 39.Kf2 Ke6 40.Ke3 Rc8 41.Rb2 Rc6 42.Kd4 Nc5 43.Nc5=+ bc5 44.Kc4 Kf5 45.h3 g5 46.Rf2 h5 47.fg5=+ Kg5 48.Rf4 f5 49.Kd5 Rc8 50.Kc4 Re8 51.Rf3? Re5 52.Rd3 f4 53.gf4 Kf4 54.Ra3 Re3?? 55.Ra8?? Rh3 56.Rf8 Kg3 57.Kc5 Rh4 58.Kd5 Rg4 59.Ra8 h4 60.Ra3 Kf4 61.Ra4 Kg5 62.Ra8 h3 (63.Ke5 Kh4–+) 0–1. jiikoo – moover, internet, 2005.

    5.Bb4 c5 6.Bc3 d5 7.d4 e6 8.e3 (8.dc5 Bc5 9.e3 Nf6+=) 8...Nf6 9.dc5 Bc5 10.Nf3 Nbd7 11.Bd3 Qc7 12.0–0 0–0 ½–½. Dias,Paulo – Quadrio,Alexandre (2140), POR–ch sf Lisboa, 1994.

    5.Bb4 c5 6.Bc3 d5 7.e3 Nc6 8.Nf3 Nf6 9.Bf6 gf6 10.g3 Bg4 11.Bg2 (11.Nc3 d4 12.Rb1 Qd8=) 11...0–0–0 (11...Qb2 12.Nc3 Nb4 13.0–0 Ra3 14.Ra3 Qa3 15.h3+=) 12.0–0 (12.h3!? Bf3 13.Bf3+= (13.Qf3?? Qb2–+)) 12...e5= 13.Qc1 e4 14.Nh4 Ne5 (14...Be6 15.c4 Na5 16.cd5 Bd5 17.Nc3+/–) 15.Nc3 (15.f3 ef3 16.Nf3 Qe6+=) 15...Qe6 16.Rb1 Bh3 17.f4 (17.Qb2 Rd7 18.Nd5 Bg2 19.Nb6 Kd8 20.Nd7 Bf1 21.Nf8 Rf8 22.Kf1 Nc4+–) 17...Bg2= 18.f5 Qc6 19.Ng2 Nf3 20.Kh1 Qd7 (20...h5 21.Qd1=) 21.Ne1 Qf5 (21...Ne5!?+=) 22.Nf3+/– ef3 23.Qb2 f2?? (better is 23...Rd7+/–) 24.Qb7 1–0. mikebaldini (1670) – hippostar (1665), gameknot.com, 2014.

    5.Bb4 d5 6.Nc3 c5 7.Nd5 Qd8 8.Bc5 Qd5 9.Be3 (9.Bb4 Nc6–+) 9...e5 10.Nf3 Nf6 11.g3 (11.c4 Qc4 12.Ne5 Qe4–+) 11...Ba3 12.Ra3? (12.c4 Qc4 13.Ne5–+) 12...Ra3 13.Bg2 Ng4 14.0–0 Ne3 15.de3 (15.fe3 e4 16.Nd4 Nc6–+) 15...Qd1 16.Rd1 Nc6 17.Nd2 Ke7 18.Bc6 bc6 19.Nc4 Rc3 20.Ne5 Rc2 21.Kf1 (21.Kg2 Kf6 (< 21...Re2 22.Nc6 Kf6 23.Kf3–+) 22.f4 Re2 23.Kf3 Rc2–+) 21...Bh3 22.Ke1 Ra8 23.f3 (23.Nd3 Raa2 24.Nc1–+) 23...Raa2 24.Rd2 (24.Nc6 Rc6 25.Kf2 Rcc2–+) 24...Rd2 25.Nc6 Kd6 26.Nd4 h5 27.g4 h4 (28.Kf2 Ke5 29.Nc6 Kf6 30.g5 Kg6–+) 0–1. kolokwium – luciano59 (2110), internet, 2006.

    5.Bb4 d5 6.e3 c5 7.Bc3 e6 8.Nf3 Nc6 9.d4 c4 10.Qc1 Nf6 11.Qb2 Qb2 12.Bb2 Ne4 13.Nfd2 f5 14.Ne4 fe4 15.Nc3 Be7 16.Be2 0–0 17.0–0 Bd7 18.f3 Bg5 19.Bc1 Bf6 20.Bb2 ef3 21.gf3 Ne7 22.Nd1 Ba4 23.Rc1 Nf5 24.Bc3 Rf7 25.Bb4 Be7 26.f4 Bb4 27.ab4 Be8 28.Kf2 b5 29.Bg4 Rfa7 30.Bf5 ef5 31.Nc3 Bc6 32.Ke2 Kf7 33.Kd2 Ke7 34.Ne2 Kd6 35.Ng1 Ra4 36.c3 Ra2 37.Rc2 Rc2 38.Kc2 Ra2 39.Kb1 Rh2 40.Re1 Be8 41.Nf3 Rf2 42.Ne5 Rg2 43.Kc1 h6 44.Nf3 Ke6 45.Rg1 Rg1 46.Ng1 Bh5 47.Kd2 Bg4 48.Ke1 Kf6 49.Kf2 Kg6 50.Kg3 Kh5 51.Kg2 Kh4 52.Kh2 g5 53.Kg2 gf4 54.ef4 Bd1 55.Nh3 Bf3 56.Kh2 Kg4 0–1. Goss – Kleinke, Schwerin 1979.

    5.Bb4 d5 6.e3 Nf6 7.d4 Na6 8.Ba6 Ra6 9.Nd2 Nd7 10.Rb1 Qc7 11.c4 e5 (11...dc4 12.Nc4 b5 13.Nd2=) 12.Bf8 Nf8 13.de5 Qe5 14.Ngf3 Qh5 15.Qb3 Ne6 16.cd5 Qd5 17.Qd5 cd5 18.Rb3 0–0 19.0–0 Nc5 20.Rc3 Ne4 21.Ne4 de4 22.Nd4 Bd7 23.Rc7 Bc6 24.Rc1 Ra3 25.Nc6 bc6 26.h3 Ra6 27.R7c6 Rc6 28.Rc6 f5 ½–½. Yannick – TuGGy, playchess.de, 2005.

    5.Bb4 Nf6 6.e3 d5 7.Nf3 Bg4 8.Be2 Bf3 9.Bf3 c5 10.Bc3 d4 11.ed4 cd4 12.Bb4 Na6 13.c3 Nb4 14.cb4 e5 15.0–0 Bb4! 16.d3 (16.ab4 Ra1 Pinning (16...Ra1 Deflection)) 16...0–0 17.Nd2 Bd2 18.Qd2 Qd6 19.Bb7 Ra3 20.Ra3 Qa3 21.Bc6 Qc3 22.Qc3 dc3 23.Rc1 Rb8 24.g3 Rb3 25.Kf1 Kf8 26.Ke2 Ke7 27.Kd1 Kd6 28.Bf3 Kc5 29.Kc2 Kb4 30.Rb1 Rb1 31.Kb1 Kc5 32.Kc2 Kd4 33.Be4?? (33.g4–+) 33...Ne4 34.de4 g5 35.f3 h5 36.h3 Kc4 37.g4 h4 38.Kc1 Kd3 39.Kd1 Ke3 (39...c2 40.Ke1 Ke3 41.Kf1 c1Q 42.Kg2 Qd2 43.Kh1 Kf3 44.Kg1 Qg2#) 40.Kc2–+ Kf3 41.Kc3 Kg3 42.Kd3 Kh3 43.Ke3 Kg4 44.Kf2 Kf4 (44...Kf4 45.Kf1 g4 46.Ke1 Ke4 47.Ke2 g3 48.Kd2 h3 49.Kc3 g2 50.Kc2 h2 51.Kb3 g1Q 52.Kb2 Qd4 53.Kc2 h1Q 54.Kb3 Qhd1 55.Ka3 Q1a4#) 0–1. Neumann,Frank – Horse,Madera, OP–2012–0–01994, 2012.

    5.Bb4 Nf6 6.Nf3 d5 7.d4 Na6 8.c3 (better is 8.Bc3!?+=) 8...Nb4–+ 9.cb4 Bg4 (9...e5 10.de5 Ne4 11.e3 Bb4 12.Nbd2–+) 10.Nbd2? (better is 10.Ne5!?+=) 10...Bf3–+ 11.Nf3 Ra3! 12.Rb1? (12.Ra3 Qb4 Decoy) 12...e6 13.b5 c5 (13...Ne4 14.Nd2 Ra2 15.bc6–+) 14.e3 (14.Qc1 Qa5 15.Nd2–+) 14...Ne4 15.Qc1 (15.Qc2 Qa5 16.Nd2–+) 15...Qa5 16.Nd2 c4 (better is 16...Ra2 17.Rb2 Ra1 18.Qa1 Qa1 19.Rb1–+) 17.Bd3 (17.Ke2 Ra2 18.Rb2–+) 17...Rd3 18.Ra1 Qd2 (18...Rd2?! 19.Ra5 Bb4 20.Ra8 Ke7 21.Rh8 Rf2 22.Kd1–/+) 19.Qd2 Nd2 20.Ra7 Nb3 (better is 20...Ne4!? 21.0–0–+) 21.0–0 c3 (21...c3 22.Ra2 Bd6–+) 0–1. Beltyukov,Denis – Shmyrov,Maxim (1940), Samara op, 2008.

    4.Bc3 e6

    5.ba5!? Qd8 6.Nf3 =.

    5.Nf3 ab4 6.ab4 Ra1 7.Ba1 Qb4 8.Bc3 Qa4 9.e3 Nf6 10.Bd3 Na6 11.0–0 Nc5 12.Bf6 gf6 13.Nc3 Qa3 14.Qa1 (better is 14.Nb1!? Qb2 15.Be2+=) 14...Nd3–/+ 15.Qa3 Ba3 16.cd3 Ke7 17.Ra1 Bd6 18.g3 Bc7 19.Kg2 d5 20.Nd4 (20.d4 e5–/+) 20...Bb6 21.Rb1 (21.Nb3 e5–+) 21...Bd4 22.ed4 Kd6 23.Kf3 e5 24.de5 fe5 25.Rb6 Re8 26.h4 h5 27.Nb5? (27.Ke2–+) 27...Kc5 28.Nd6 Kd6 29.Rb1 Bg4 30.Kg2 b5 31.f3 Bf5 32.Rb3 e4 33.de4 de4 34.fe4 Be4 35.Kh3 Kd5 36.d3 Bf5 37.Kg2 Re2 38.Kf3 Bg4 39.Kf4 f6 40.Rb1 Rf2 41.Ke3 Rf3 42.Kd2 Rg3 43.Rf1 f5 44.Rh1 f4 45.Rf1 f3 46.Ke3 c5 47.Kf2 Rg2 48.Ke1 Kd4 (48...Kd4 49.Kd1 f2 50.Kd2 b4 51.Kc1 Kc3 52.Kb1 Rg1 53.d4 Rf1 54.Ka2 b3 55.Ka3 Ra1#) 0–1. Neumann,Frank (1650) – Langschmidt,Dirk (2015), RSS7E easy–53, 2007.

    5.Nf3 ab4 6.ab4 Ra1 7.Ba1 Bb4?? 8.e3 (better is 8.Bg7 d5 9.Bh8+–) 8...Nf6 9.Be2 (9.Bd4 Qd8–/+) 9...0–0 (9...Qd8 10.Bd4–/+) 10.0–0 (10.Bf6 gf6 11.0–0 d5+=) 10...d5 (10...Qd8 11.c4–/+) 11.c3 (11.Bf6 gf6 12.d4 Rd8+=) 11...Be7–/+ 12.c4 Nbd7 (12...dc4 13.Bc4 Qb4 14.Be2–/+) 13.Nc3 Nc5 (13...dc4 14.Bc4 Qc5 15.Be2–/+) 14.d4+= Nce4 (14...Ncd7 15.Qc2+=) 15.Ne4 (15.c5 Qc7+=) 15...Ne4 16.c5 Qc7 17.Qd3 (17.Qc2 b6 18.cb6 Qb6+=) 17...Bd7 (17...b6 18.cb6 Qb6 19.Rb1+=) 18.Ne5 (18.Rb1 Rb8+=) 18...Ra8 (18...Be8 19.Qc2+=) 19.Nd7 (19.f3 Nf6+=) 19...Qd7+= 20.f3 Nf6 21.Bc3 Bd8 22.Rb1 Ba5 23.Ba5 Ra5 24.Qb3 h6 25.Qb7 Qb7 26.Rb7+/– Ra2 27.Rb8 Kh7 28.Rb7?? Re2–+ 29.Rf7 Re3 30.Rc7 Rd3 31.Rc6 Rd4 32.Re6 Rd1 33.Kf2 Rc1 34.Rd6?! Rc5 35.g4 Rc1 36.h4 Rh1 37.Kg2 Rh4 38.Kg3 Rh1 39.Kg2 Rd1 40.Kf2 Rd2 41.Ke3 Ra2 42.f4 Ng4 43.Kd3 Nf6 44.Kc3 h5 45.Kd3 h4 46.Ke3 h3 47.Rc6 Ra1 48.Rc2 Ng4 49.Kf3 h2 (49...h2 50.Rh2 Nh2 51.Ke3 Kg6–+) 0–1. Neumann,Frank – Winter,Malcolm, 62. LSS No Engine Cup Preliminary, 2012.

    4.Nc3 ab4

    5.ab4 Qb4?? 6.Rb1 (better is 6.Ra8 Qb2 7.Rb8+–) 6...e5+= 7.e3 Nf6 8.Nf3 d6 9.Be2 Nbd7 10.0–0 d5 11.d4 e4 12.Nd2 Bd6 13.h3 Bc7 14.f3 Qd6 15.f4 b5 16.Bg4 Ng4 17.hg4 Nf6 18.Nb3 b4 19.Ne2 Ng4 (19...Ng4 20.Qe1 Ne3–+; 19...Bg4?! 20.Qd2–+) 0–1. Rush,Bradley – Molano,Ismael, OP–2011–0–01609, 2011.

    5.ab4 Ra1

    6.Qa1 Qb4 7.Na4 f6 8.Bc3 Qf4 9.Nb6 Qc7 10.Na8 Qd6 11.e4 (11.Nf3 e6=) 11...Na6 12.Nb6 Qc7 13.Nc8 (13.Qb2 e6=) 13...Qc8 14.Ba6 (14.d4 e6=) 14...ba6+= 15.Nf3 e6 (15...e5 16.0–0+=) 16.0–0= Be7 17.Rb1 Nh6 (17...d5 18.Qa4 Bd6 19.Rb6=) 18.Rb6+= Nf7 (18...a5 19.Qa5 0–0 20.Qa4+=) 19.Ra6 0–0 20.d3 e5 (20...d5 21.Nd4 Nd8 22.Ra8+=) 21.Ra5 (21.Ra7 Bc5 22.Ra5 Bb6=) 21...d5= 22.Qa4 Qb7 23.g3 Bd6 24.Ra7 Qb8 25.Ra6 d4 26.Bd2 Qb5 27.Qa2 Rb8 28.Kg2 Bf8 29.Ra7 Rb7 30.Ra5 Qb1 31.Qc4 c5 32.Ra8 Rb8 33.Ra7 Rb7 34.Ra5 Qb6 35.Ra6 Qb5 36.Qe6 Re7 37.Qa2 Rc7 38.Ra8 Qb7 39.Ra4 Qb5 40.Bc1 g6 41.Nd2 Bh6 42.Ra6 f5 43.Nc4 Bc1 44.Nd6 Qd7 45.Ra8 Kg7 46.Ne8 Kh6 47.Nc7 fe4 48.Ne6 ed3 49.Ra7?? Qc6+= 50.f3 Qe8 51.cd3 c4 52.Qc4 Be3 53.h4 e4 54.de4 (54.Nd4?! ef3 55.Kh1 Ne5+/–; worse is 54.fe4 Bd2+–) 1–0. Luzuriaga,Norberto Horacio (2350) – Baeckstroem,Mikael (2255), corr WSTT/3/06/Semifinal, 2008.

    6.Qa1 Qb4 7.Qa8 Qb2–/+ 8.Qb8 Kd8 9.e3 Qa1 (9...Qc2!? 10.Ba6 Qb2–/+) 10.Nd1+= d6 11.Nf3 h6 12.Bc4?? (better is 12.Nd4–/+) 12…Nf6–+ (12...Nf6 13.Nd4 Nd7 14.Nc6 bc6–+) 0–1. Gundersen,H (2230) – Bachmann,KH (2280), European Senior Team, 2011.

    6.Qa1 Qb4 7.e3 Nf6 8.Nf3 d6 (8...d5 9.Be2+= b5 10.0–0 Qd6+=) 9.Be2 Qb6 (9...e5 10.0–0+= Be7+=) 10.0–0 (10.Qa8 Qc7+=) 10...Qc7 (10...e5 11.e4+=) 11.Qa7 (11.e4 b5+=) 11...Nbd7 12.Ra1 g6 (12...e6 13.e4+=) 13.Ne4 Bg7 14.Nf6 (14.Bc3 0–0 15.Nf6 Nf6+= (worse is 15...ef6 16.Ba5 Qb8 17.Qb8 Nb8 18.Bc7+/–)) 14...Nf6 15.Bc3 (15.c4 e5+=) 15...0–0 16.Ba5 Qd7 17.Rb1 (17.Bb6 Nd5 18.d4 e5+=) 17...b5–/+ 18.Qd7 Bd7 19.c4 Ra8 (19...Bf5 20.Rc1 Ra8 21.Bc3 bc4 22.Bc4–/+) 20.Bc3 Ne4 (20...Bf5 21.Rc1 bc4 22.Bc4–/+) 21.Bg7 Kg7 22.cb5 (22.h3 Ra5–/+) 22...cb5 23.h3 f5 24.Bb5 Bb5 25.Rb5 Ra1 26.Kh2 Nf2 27.Kg3 Ne4 28.Kh2 Ra2 29.d3 Nf2 30.Rb3 Nd1 31.d4 Re2 32.Ng1 Re3 33.Re3 Ne3 34.Kg3 Kf6 35.Kf3 Nd5 36.Ne2 e5 37.de5 de5 38.g3 e4 39.Kf2 g5 40.Nc1 Ke5 41.Nb3 f4 42.gf4 gf4 43.Na5 f3 44.Nc6 Kf4 45.Nd4 e3 46.Kf1 Kg3 47.Ne6 Nf4 48.Nf4 Kf4 0–1. Yeung,Chun Keung (1740) – Baeckstroem,Mikael (2295), corr ICCF WSTT/3/06/1, 2006.

    6.Qa1 Qb4 7.Nf3 =+.

    6.Qa1 d5 7.Nd1 Nf6 8.Nf3 Na6 9.e3 Nb4–/+ 10.Qa4 e6 11.Bd4 Bc5 12.c3 Na6 13.Ba6 ba6 14.0–0 0–0 15.c4 Bd4 16.Nd4 Bd7 17.c5 Qc5 18.Qa6 Ne4 19.d3 Nd2 20.Re1 e5 21.Qb7 Qa5 22.Nc2 Bf5–+ 23.Qb4 Qb4 24.Nb4–/+ c5 25.Nd5 Bd3 26.N1c3 Ne4 27.Ne7 Kh8 28.Ncd5 Rb8 29.f3 Nf6 30.Nc6 Rb3 31.Ne5? Nd5–+ 32.Nd3 Rd3 33.Rc1 Nc3 34.Kf2 f5 35.Ra1 Kg8 36.Ra5 Rd2 37.Kg3 Ne2 38.Kh4 c4 39.Kg5 c3 40.Kf5 c2 41.Ke6 Rd8 (42.Rc5 c1Q 43.Rc1 Nc1–+; better is 41...Nf4! 42.ef4 Re2 43.Re5–+) 0–1. Riley,Dan Driver – Veher,John, Dayton Club Champ, 1992.

    6.Ba1 Qb4 7.Nf3 d5 =+.

    6.Qb1?? Qb4 0–1. guest1488 – guest820, ICC, 1999.

    4.c4 Na6

    5.ba5?? Qa5?? 6.e3 (6.Bc3 Qc5 7.e4 Nf6+=) 6...Nf6 (6...e5 7.Bc3 Qc5 8.d4 ed4 9.Bd4 Qa5 10.Bc3+=) 7.Nf3 d5 8.cd5 Nd5 9.Nc3 Bg4 (9...Nf6 10.Ba6 Ra6 11.0–0=) 10.Be2 e6 11.0–0 Nc5 12.Nd5 ed5 13.Bc3 (13.Ne5 Be2 14.Qe2 Bd6=) 13...Qc7 (13...Qa4 14.Qc1=) 14.Bb4 (14.h3 Bf3 15.Bf3 Ne6=) ½–½. Dietrich,T – Stiemer,Soenke (2080), Velden op, 1996.

    5.ba5?? Qb2 6.Nc3 Nc5 –+.

    5.Qb3 Nc5 6.Qc3 Na4 7.c5 –/+.

    5.Qb3 Nf6 6.Nf3 e6 7.d4 c5 8.dc5 (8.e4!?=) 8...Bc5 9.e3 ab4 10.Nbd2 ba3 11.Qb6 Bb6 12.Bf6 gf6 13.Ra3 Bc5 14.Ra1 Nc7 15.Ra8 Na8 16.Bd3 b6 17.Ne4 Ke7 18.Ke2 Nc7 19.Ra1 Na6 20.Nc5 bc5 21.e4 d6 22.Nd2 Bb7 23.Rb1 Nb4 24.f3 Ra8 25.g4 h6 26.h4 Ra2 27.Ke3 Ba6 28.h5 (28.f4!?–/+) 28...d5–+ 29.ed5 ed5 (29...Nd3?! 30.d6 Kd6 31.Kd3+=) 30.Bf1? (better is 30.Re1 Kd8 31.Bb1 d4 32.Ke2 Bc4 33.Kd1–+) 30…d4 (30...d4 31.Ke2 Bc4 32.Kd1 Bf1 33.Nf1 Nd5–+) 0–1. Moiseev,Viktor (2415) – Vasiliev,Vladimir P (2345), Riazan Region–ch, 2007.

    5.b5 cb5 6.Qb3 b4 7.d4 d6 8.Nf3 Nf6 9.Nbd2 Bd7 10.e4 a4 11.Qd3 ba3 12.Ba3 The passed pawn on a4 will become decisive later 12...Rc8 13.Rb1 Qc7 14.Be2 e5 15.0–0 ed4 16.Nd4 Nc5 17.Qe3 Be7 18.Nb5 Bb5 19.Rb5 Nfd7 20.Rfb1 Attacking the backward pawn on b7 20...0–0 21.Bg4 b6 22.Bc5 dc5 23.Bd7 Qd7 24.Rb6 Rfd8 25.Nf3 a3 26.Ra6 Ra8=+ 27.Ra8 Ra8 28.e5 a2 29.Ra1 Qb7 30.Qc1 Qe4 31.Qb2 Bd8?? (31...Qc4 32.Qb7 Re8=) ½–½. Psion – Psion, 4 min/Zug, 1989.

    5.Bc3 ab4 6.ab4 d5 +=.

    5.Bc3 ab4 6.ab4 d6 7.e3 Nf6 8.b5+/– Nc7 9.Ra8 Na8 10.Qa4 Nc7 11.Ba5 Qa7 12.b6 Qa8 13.bc7 b6 The passed pawn on c7 quickly leads to threats 14.Nf3 Kd7 15.Nd4 ba5 16.Nc3 Kc7 17.Be2 Bd7 18.0–0 g6 19.Nb3 Exerts pressure on the isolated pawn 19...Bg7 20.Qa5 Qa5–/+ 21.Na5 Rb8 22.Rb1 (22.d4 e5=+) ½–½. Hildingstam,Stefan – O'Hara,Matthew D, corr or01–005 E–mail, 2001.

    5.Bc3 ab4 6.ab4 Nf6 7.d3 d5 8.c5 Qd8 9.e3 g6 10.Be2 Bg7 11.Nf3 0–0 12.Nbd2 Bg4 13.0–0 Nh5 14.d4 Nc7 15.Qb3 Qd7 16.Rfe1 Bf3 17.Nf3 f5 18.Bd3 e6 19.Reb1 f4 20.Qc2 Bf6 21.Ra8 Na8 22.b5 Nc7 23.b6 Ne8 24.Ra1 Neg7 25.Ra7 Nf5 26.ef4 Nf4 27.Ba6 Rb8 28.Qa4 g5 29.Rb7 1–0. Fritz – Jackl, corr 1965–66.

    5.Bc3 Nf6 =.

    5.d4 ab4 6.c5 Qa5 7.ab4 Qb4 8.Bc3 Qc4 9.e4 Qe6 10.Nd2 d5 11.e5 g6 12.Be2 Nh6 13.Nh3 Bg7 14.0–0 0–0 15.f4 f6=+ 16.Qb3 Qf7 17.Nf2= Nc7 18.Ra8 Na8 19.Ba5 Nf5 20.Nf3 fe5 21.fe5 Qe6 22.Bd2 Nc7 23.Bd3 Qd7 24.Qb4 Ne6 25.Rb1 Attacking the backward pawn on b7 25...Nd8 26.Ra1 Rf7 27.Ra7 Ne6 28.Nh3 Rf8 29.Kh1 Kh8 30.Be2 Qc7 31.Ra3 Qb8 32.g4 Nh6=+ 33.Nh4 Bd7 34.Kg2 Bc8 35.Rb3 Nf7 36.g5 Qc7 37.Nf3 Qd7 38.Nf2 Nfd8 39.Ra3 Nf4 40.Bf4 Rf4 41.Qd2 Ne6 42.Qe3 Rf8 43.Nd3 Nf4 44.Nf4= Qg4 45.Kh1 Qf4 46.Qf4 Rf4 47.Kg2 Kg8 48.Kg3 Rf8 49.Ra7 Kf7 50.Ne1 h6 51.Nf3 hg5 52.Ng5+= Kg8 53.Bg4 Bg4 54.Kg4 Rb8 55.Ra3 Bf8 (55...Bh6 56.Rb3+=). Sternik,Ryszard – O'Hara,Matthew D, corr or01–005 E–mail, 2001.

    5.Nf3 ab4 6.Qb3 e6 =.

    5.Nf3 ab4 6.Qb3 Nf6 =.

    5.c5 Nc5

    6.Qc2 ab4–+ 7.ab4 Ra1 8.bc5 Rb1! 9.Qb1 Qc5 10.Nf3 Nf6 11.e3 d6 12.Bd4 (12.Qa2 e6–/+) 12...Qa5 13.Bb6 (13.Be2 Nd5–/+) 13...Bf5 (13...Qa3!? 14.Bd4–+) 14.Qb2–/+ Qa4 15.Nd4 Be4 (better is 15...Bg6!?–+) 16.f3+= Bd5 17.Nb5 (17.e4!? Qa2 18.Qc1+=) 17...Qb3–+ 18.Nc7 (18.Qc3 Qc3 19.Nc3 Be6–+) 18...Kd7 19.Qa1?? (better is 19.Qb3 Bb3 20.Kf2–+) 19...Qb6 20.Na8 (20.Nd5 Nd5 21.Kf2 e6–+) 20...Qb3 (20...Qc5 21.Be2 g6 22.0–0–+) 21.e4 (21.Qa7 e5 22.Nb6 Kc7 23.Na8 Kd8–+) 21...Qa2 22.Nb6 Kd8 23.Qc3 (23.Qc1 Bb3 24.Qc3 g6–+) 23...Qb1 24.Kf2 Qb6 (24...Qb6 25.Qe3 Qe3 26.Ke3 Be6–+) 0–1. Martinez De Navascues,Francisco (1760) – Nieto De La Cruz,Julio (2175), Madrid ESP, 3rd Chamartin Open, 2014.

    6.bc5 Qb2 7.Nc3 a4 8.e3 Qb3 9.Qc1 e5 10.Nf3 d6 (10...Qe6 11.Ne4+= h6 12.Bc4 Qg6 13.Ng3 d6 14.cd6 Qd6) 11.d4 (11.Ng5!? h6 12.Rb1 hg5 13.Rb3 ab3 14.Qb2 dc5 15.Qb3+=; 11.Ne4 Qd5 12.Nfg5 Be6 13.Rb1 Nf6 14.Ne6 fe6) 11...Qe6 (11...Nf6 12.Be2 Qe6 13.Ng5 Qf5 14.e4 Qg6) 12.d5 (12.cd6 ed4 (12...Bd6 13.Ne5 Be5 14.de5 Qe5) 13.Nd4 Qd6+= 14.Be2 Nf6; 12.Bd3 ed4 13.Nd4 Qe5 14.cd6 Bd6) 12...cd5 (12...Qg6 13.Qd1+= (13.dc6 bc6 14.cd6 Bd6) 13...e4 14.Nd2 Nf6) 13.Bb5 (13.Ng5!? Qg6 (13...Qf5 14.Nd5 Qg5) 14.Nd5+= Qg5) 13...Bd7–/+ 14.Bd7 (14.Ng5 Qe7) 14...Qd7 (14...Kd7 15.Qb2 Kc8 16.Rb1+/–) 15.Nd5 Ra5 (15...dc5 16.Nb6 Qd8 17.Qb2+–) 16.0–0 (16.Nb6 Qc6 17.Qc4 Rc5 18.Qa4 Nf6–/+) 16...Rc5 (worse is 16...dc5 17.Qc3 Ra6 18.Qe5 Kd8 19.Qb8 Qc8 20.Qf4+/–) 17.Qd1 b5 18.e4 Ne7 19.Nb4 Nc6 20.Qd2 Be7 21.Rac1 Nb4–+ 22.ab4 Rc1 23.Rc1 Qb7 24.Qd3 0–0 25.g3 g6 26.h4 Rd8 27.Qe2 Ra8 28.Qd3 a3 29.Ra1 Qc6 30.Nd2 Ra4 31.Kg2 a2 32.Qb3 Qa8 33.f3 Ra3 34.Qc2 Bd8 35.h5 Kg7 36.f4? Bb6 37.Nf3 f5 38.Qb2 Rf3 39.Ra2 Qe4 (39...Qe4 40.Kh3 Rf1–+) 0–1. Shilov,Sergej (2265) – Duda,Jan_Krzysztof (2075), Cracovia Poland, 2009.

    6.bc5 Qb2 7.Nc3 e6 8.Ra2 Qa2 9.Na2 Bc5 10.a4 Nf6 11.e3 d5 12.Nf3 0–0 13.Qc2 Bd6 14.Be2 Bd7 15.0–0 Rfc8 16.Qb3 c5 17.Bb5 c4 18.Qb2 Rc7 19.Bd7 Nd7 20.Nc3 Bb4 21.Nb5 Rcc8 22.Rd1 Nc5 23.Qa2 Rab8 24.h3 h6 25.Nfd4 Nd3 26.Ne2 Rc6 27.Nec3 Be7 28.Rb1 Bb4 29.Qc2 b6 30.Qd1 Nc5 31.Qg4 Nb3 32.Rd1 Rb7 33.Qf4 Be7 34.g4 g5 35.Qh2 Kg7 36.f4 f6 37.fg5 fg5 38.Rf1 Bf6 39.Rf3 Rd7 40.Qf2 e5 41.Rf5 Nc5 42.Qf3 e4 43.Qf1 Nb3 44.Rd5 Rd5 45.Nd5 Nd2 46.Qd1 Nf3 47.Kf2 Ne5 48.Nf6 Nd3 49.Ke2 Rf6 50.Qa1 Kg6 51.Kd2 Rf2 52.Kc3 Nc5 53.Kc4 Rc2 54.Nc3 Nd3 55.Qb1 Rb2 56.Qf1 Rf2 57.Qh1 Rf3 58.Ne4 (time) 1–0. Holz auf der Heide – Rabenstein, 1978.

    6.d4 Ne4 7.Qc2 d5 8.f3 Nd6 9.e3 Bf5 (9...ab4 10.Qb3–+) 10.Qa4 (10.Qc5 Qd8–/+) 10...Qd8 (10...Nf6 11.Be2–+) 11.Nd2 (11.b5 Nb5 12.Bb5 cb5 13.Qb5 Qd7 14.Qd7 Kd7–/+) 11...ab4–+ 12.Qb4 h5 (12...e6 13.e4 Ne4 14.Qb7 Nd2 15.Qc6 Ke7 16.Kd2–/+) 13.Ne2 (13.e4 de4 14.fe4 Ne4–/+) 13...e6 14.Ng3 Bg6 15.Qc3 h4 16.Ne2 Nh6 17.Nf4 Bf5 18.Be2 Be7 19.a4 0–0 20.Nh5 (20.a5 Nb5 21.Bb5 cb5–/+) 20...g5 (20...Qa5 21.0–0–+) 21.g4 (21.a5 Nb5 22.Bb5 cb5–/+) 21...Bg6 22.Bd3 (22.a5 Nb5 23.Bb5 cb5–/+) 22...f5 (22...Bd3 23.Qd3 Qb6 24.Bc3–+) 23.h3 (23.a5 Nb5 24.Bb5 cb5–+) 23...Qe8 24.Rg1 Bh5 25.gh5 Qh5 26.Be2 (26.a5 Nb5 27.Bb5 cb5–/+) 26...Kh8 (26...f4 27.e4–+) 27.Nb3 (27.a5 f4–/+) 27...Rg8 (27...f4!? 28.a5–+) 28.Nc5–/+ g4 (28...Qf7!?–/+) 29.fg4 fg4 30.0–0–0?? (better is 30.hg4!? Ng4 31.Qb3=) 30...Rg6 (better is 30...Qf5–+) 31.Nb7?? (better is 31.Kd2–/+) 31...Nb7–+ 32.Qc6 Rb8 33.a5 (33.hg4 Ng4 34.Kd2 Nd6–+) 33...Qg5 34.a6 (34.Kd2 Na5 35.Qc3 Bb4 36.hg4 Nc4 37.Bc4 dc4–+) 34...Qe3 (35.Kb1 Qe2 36.ab7 Qe4 37.Ka1 Bb4–+) 0–1. Zylla,Johannes – Bahr,Dieter, corr ICCF–Cup8/9 V074, 1990.

    6.d4 Ne4 7.Nc3 Ngf6 –/+.

    5.d4 d6

    6.Bc3 ab4 7.ab4 Nf6 8.Nd2 Bf5 9.e3 Qd8 10.Ngf3 Nc7 11.Be2 e6 12.0–0 Be7 13.Qb3 0–0 14.b5 cb5 15.Ba5 Qb8 16.cb5 b6 17.Bb4 Qb7 18.Ne5 Ra1 19.Ra1+= White gets in control 19...de5 20.Be7+/– Re8 21.de5 Re7 22.ef6 Rd7 23.Bf3 Qb8 24.e4 Bg6 25.Nf1 gf6 26.h4 h6 27.h5 Bh7 28.Qe3 Kg7 29.Be2 Ne8 30.f4 Qd8 31.g4 Rd4 32.f5 e5 33.Ra2 Qc7 34.Rd2 Rb4 35.Rd5+= Nd6 36.Qa3 Re4 37.Qd6+/– Qd6 38.Rd6 Re2 39.Rd3 Rb2=+ 40.Rd5 Bg8 41.Ne3= Bh7 42.Kf1 Kg8 43.Ke1 Kf8 44.Kd1 Kg7 45.Kc1 Rb4 46.Kd2 Rb1 47.Kc2 Rb4 48.Kc3 Re4 49.Kd3 Rb4 50.Nc4= Rb3 51.Kd2 Rg3? 52.Ne3+/– Rf3 53.Rd6 Rf2 54.Kd3 Rb2 55.Rb6 (55...Rb4 56.Nc4+–) 1–0. Adam,S – Klein,L, corr, 1989.

    6.Qd2 Bf5 =.

    6.e3 ab4 7.ab4 Qb4 8.Bc3 Qb6 9.c5 Qc7 10.Nd2 d5 11.Bd3 e6 12.Ngf3 Nf6 13.0–0 Qe7 14.Ne5 g6 15.Ba6 Ra6 16.Ra6 ba6 17.Nc6 Qc7 18.Ne5 Bg7 19.Qa4 Nd7 20.Ba5 Qa7 21.Nd7 Qd7 22.c6 Qa7 23.c7 Ke7 24.Qb4 Kd7 25.Rb1 Qa8 26.Rc1 Bb7 27.Nb3 Bf8 28.Qa4 Ke7 29.c8Q Bc8 30.Rc7 1–0. Kuehn – Wiezer, corr DDR/4.cup/PZ 4, 1975.

    4.c4 ab4

    5.ab4 Ra1 6.Ba1 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c4).

    5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.Qc2 Na6 9.e3 (9.e4 Nf6+/–) 9...Nf6 10.Ba6 Ra6 11.Nf3 g6 (11...d6 12.0–0+/–) 12.b5 cb5 13.Qb2 Bg7 14.Qb5 0–0 15.0–0 Nd5 16.d4 Nc7 (16...d6 17.cd6 Rd6 18.Nbd2+/–) 17.Qb2 Ne6 (17...d6!? 18.Rc1 Nd5+–) 18.Nc3+– Nd8 (18...Nc7 19.Ra1 Rc6 20.Ne5 Be5 21.de5 Rc5 22.Ne4+–) 19.Nd5 Nc6 20.Ne5 Be5 (20...Kh8 21.Nc6 Rc6 22.Ne7 Rc5 23.Rc1+–) 21.de5 Ra5 22.Qc3 Ra6 23.f4 Rd8 24.e4 Ra4 25.f5 Re4 (25...Ra6 26.f6 Re8 27.fe7 Ne7 28.Qf3+–) 26.fg6 fg6 27.Ne7!! Ne7 28.Qf3 (28...Re5 29.Qf7 Kh8 30.Qf6 Kg8 31.Qe5+–) 1–0. marekt – darkestknightmare, ChessWorld.net, 2003.

    5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.Qc2 d6 9.d4 +/–.

    5.c5 Qa5?? 6.ab4 Qa1 7.Ba1 Ra1 8.e3 d5 9.Qc2 Nf6 10.Nf3 e6 11.d4 b5 12.Qb2 Ra7 13.Nc3 Be7 14.Nb5 (14.Bd3!?+–) 14...cb5+/– 15.Bb5 Bd7 16.Bd3 Ne4 17.Ne5 f6 (17...0–0 18.b5+/–) 18.Nd7+– Kd7 19.f3 Ng5 20.0–0 Rc8 21.f4 Ne4 22.f5 Nc6 (22...Ke8 23.Be4 de4 24.fe6+–) 23.fe6 Ke6 24.Be4 de4 25.Qb3 (25.b5 Kd7+–) 25...Kd7 26.b5 Ke8 (26...Nd8+–) 27.Qg8 Bf8 28.Qh7 (28.bc6!? Rc6 29.Qh7 Ke7+–) 28...Ne7 29.Qe4 Kf7 30.Qc2 Rb7 31.Qc4 Ke8 32.e4 Rcb8 33.e5 Rb5 34.ef6 gf6 35.Rf6 Rb1 36.Kf2 R8b2 (36...R1b2 37.Ke3 R8b4 38.Qf7 Kd7 39.Qh5+– (39.Qf8 R4b3 40.Kf4 Ng6 41.Rg6 Rf2 42.Ke4 Rf8+/–)) 37.Kg3 Rb3 38.Kg4 (38...R1b2 39.g3+–) 1–0. pierre (2145) – thotares (1655), internet, 2007.

    5.c5 Qa5?? 6.ab4+/– Qb4?? 7.Ra8+– Qb2 8.Rb8 Kd8 9.Rc8! (9.Rc8 Kc8 10.Nc3+–) (32.) 1–0. Kienholz – Luckhaus, 2.Wuerzburg–Open, 1986.

    5.c5 Qb5

    6.e3 Qc5?? 7.ab4 Qa7 8.Ra7 Ra7 9.Nf3 +–.

    6.e3 Qc5?? 7.ab4+– Qb4 8.Ra8 Qb2 9.Rb8 Kd8 10.Nc3 d5 (10...e5+–) 11.Qa4 Qc1 12.Ke2 e5 13.Rc8! Kc8 14.Qa8 Kc7 15.Qf8 d4 16.Qf7 Kb6 17.Nd1 Nf6 18.Nf3 de3 19.Qg7 e4 20.Ne3 ef3 21.Kf3 Rf8 (21...Re8 22.Qf6 Qc5 23.Qb2 Kc7+–) 22.Qf8 Nd5 23.Qd8 Ka7 24.Qa5 Kb8 25.Nd5 cd5 26.Qd5 Qd1 27.Kf4 Qc1 28.Qb7! Kb7 29.Ba6! Ka6 30.Rc1 h5 31.d4 Kb5 32.d5 1–0. Kazimierski,Tomasz – Capanera, playchess.de, 2001.

    6.e4 Qa4 7.ab4 Qd1 8.Kd1 Ra1 9.Ba1 Na6 +=.

    6.e4 Qc5 7.ab4 Qb4 8.Ra8 Qb2 9.Rb8 +–.

    6.e3 Qa4

    7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 d6 +=.

    7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 Na6 10.Bc3 =.

    7.Qa4 Ra4 8.ab4 Ra1 9.Ba1 Nf6 10.Bc4 (10.b5 Ne4 11.d4 d6=) 10...d5 (10...Na6 11.Bc3=) 11.cd6 (11.Bd3 Na6 12.Bc3 Ne4=) 11...ed6 12.Bf6 gf6 13.b5 d5 14.Ba2 (14.Bd3 h5=) 14...Bf5 (14...Rg8 15.g3=) 15.bc6 bc6 16.Ne2 Bd6 17.Nbc3 Rg8 18.0–0 (18.Ng3 Bg6=) 18...Nd7 (18...h5 19.Bb1 Bg4 20.d4=) 19.Ra1 Ke7 (Better is 19...h6!?+=) 20.Nd4+/– (20...Bg6 21.Nc6 Kf8 22.Bd5+–) 1–0. Bonetti,Shane – oldmaestro (1690), ICC, 2002.

    7.Qa4 Ra4 8.ab4 Rb4 9.Bc3 Rb1 10.Rb1 +/–.

    7.ab4 Qa1? 8.Ba1+– Ra1 9.Qb3 Na6 10.Qb2 Ra4 11.Ba6 Ra6 12.Ne2 Nf6 13.Nec3 e6 14.Na3 b5 15.Nc2 Be7 16.0–0 0–0 17.Ra1 Bb7 18.Ra6 Ba6 19.f3 Bb7 20.Ne4 Ne4+/– 21.fe4 Ra8 22.d4 d6 23.Ne1 dc5 24.dc5 Bf6 25.e5 Bg5 26.Kf2 h5 27.Nd3 Rd8 28.Nf4 Bc8 29.Ke2 h4+/– 30.h3 f6 31.Nd3 Rd5 32.ef6 Bf6 33.Qa3 Bd7 34.Qa7 e5 35.e4 Rd4 36.Qb8 Kh7+= 37.Nf2 Be6 38.Qe8+/– Bc4 39.Kf3+– Rd2 40.Qc6?? Rb2 41.Ng4?? Be2–/+ 42.Ke3? Bg4?? 43.hg4+/– Bg5 44.Kd3 Rd2? 45.Kc3+– Rg2 46.Qb5 Bd2 47.Kb3 Rg4 48.c6 Rg3 49.Ka4 Rg1?? 50.c7 Ra1 51.Kb3 Rc1 52.Qe5 Bh6 53.c8Q! Rc8 54.Qf5 Kh8 55.Qc8 Kh7 56.b5 h3 57.b6 h2 58.Qh3 h1Q 59.Qh1 (59...Kg6 60.Qg2 Kh7 61.Qh2 Kh8 62.b7 Kh7 63.b8Q Kg6 64.Qe8 Kh7 65.Qd6 Be3 66.Qdg6#) 1–0. uno (1830) – CSKA_Apeldoorn (1890), ICC, 2003.

    7.ab4 Qd1 8.Kd1 Ra1 9.Ba1 d5 10.Nf3 Bg4 11.h3 Bf3 12.gf3 Nf6 13.Nc3 e5 14.Na4 Nbd7 15.d4 ed4 16.Bd4 Be7 17.Rg1 0–0 18.Kc2 Ra8 19.Kb3 g6 20.Bd3 Bd8 21.b5 Nf8 22.Nb6 Bb6 23.cb6 N6d7 24.bc6 bc6 25.Rc1 c5 26.Bc5 Ne6 27.Kb4 Rb8 28.Bb5 Nb6 29.Bd6 Rd8 30.Be7 Rb8 31.Ka5 Nc8 32.Bf6 Nd6 33.Bd3 Ne8 34.Be5 Ra8 35.Kb6 Ng5 36.Kb7 Rd8 37.f4 Nh3 38.Rc2 Ng1 39.Bb5 Nf3 40.Rc6 h5 41.Bc3 Rd7 42.Kb6 Rd6 43.Kc5 Rc6 44.Bc6 Nc7 45.Kd6 Ne6 46.Bd5 Nh4 47.Be6 fe6 48.Ke6 Nf3 49.Bf6 h4 50.Bh4 Nh4 51.Kf6 Kh7 52.e4 Nf3 53.e5 Nd4 54.e6 Nf5 55.e7 Nd6 56.Ke6 Ne8 57.Kf7 Nd6 58.Kf8 Kh6 59.e8Q Ne8 60.Ke8 Kh5 61.Kf7 Kg4 ½–½. Tendulkar – "Morozevich", ICC, 1999.

    7.ab4 Qd1!? 8.Kd1 Ra1 9.Ba1 d6 =.

    7.Qc1 Na6 8.d4 e5 9.ab4= Qb4 10.Bc3 Qb3 11.Nd2 Qd5 12.Ngf3 ed4 13.ed4 Qe6 14.Be2 Ne7 15.Nc4 Nd5 16.0–0 Be7 17.Re1+= 0–0 18.Bd3 Qg4 19.Ne3 Ne3= 20.Qe3 Bf6 21.h3 Qh5 22.Qf4 Nc5? 23.dc5+– Bc3 24.Ra8 Be1 25.Ne1 Qc5 26.Qc7 Qc1 27.Kf1 Re8+/– 28.Qe5 Kf8? 29.Qd6+– Kg8 30.Qe7!! Rf8 31.Bh7! Kh7 32.Qf8 Qc4 33.Kg1 Qe2 34.Nf3 (34...Qc4 35.Rc8 Qc1 36.Kh2 Qf4 37.Kh1 Qc1 38.Ng1+–; 34.Rc8?! Qe1 35.Kh2 Qf2+–) 1–0. Lewis,MA – Jenks,Chris, Dorset Congress, 2001.

    7.Qc1 b3 8.Nf3 =.

    5.c5 Qc5??

    6.ab4+– Qb4

    7.Ra8 Qd6 8.Nf3 f6 9.e3 Qc7 10.Ra1 d5 11.d4 Bf5 12.Bd3 Bg6 13.0–0 Nh6 14.Be2 Bf7 15.Nbd2 g6 16.Nb3 Nf5 17.Nc5 Nd6 18.Qb3 1–0. Majdziuk – Dulias, Poland 1978.

    7.Ra8 Qb2

    8.Rb8 Kd8

    9.Nc3 Qa3 10.Qa4 (better is 10.Na4 Qb4 11.Ra8+–) 10...Qc1?? (10...Qa4 11.Na4 Kc7+–) 11.Nd1 e5 12.Qa5 Ke7 13.Rc8 Nf6 14.Qd8 (14.Qe5) 14...Ke6+– 15.Nf3 e4 16.Ng5 (better is 16.Nd4 Kd5 17.Qa5 Qc5 18.Ne3 Ke5 19.Qc5 Bc5 20.Nc6 dc6 21.Rh8 b5+–) 16...Kf5 17.h4 Bb4–/+ 18.g4 Kg6 19.Ne4 Ne4 20.h5 Kh6 21.Qd7?? Bd2 22.Qd2 Qd2 (22...Nd2 23.f4 f6 24.Rh8–/+) 0–1. Fournier,Frederic (1840) – goyitoGM (1720), Active (3/0), 2005.

    9.Nc3 Qa3 10.Na4 Kc7 11.Ra8 Qb4 12.Nf3 b5 13.Nb6 1–0. Muller,H – Brandt,M, OCC, 2002.

    9.Nc3 Qa3 10.Na4 Kc7 11.Ra8 b5 12.Nb6! Qc5 (12...Kb6 13.Ra3) 13.Rc8 Kb6 14.Rf8 (14…f6 15.Qb1+–) 1–0. Bonetti,Shane – cerebus2, ICC, 2002.

    9.e3 Qa1 10.Nc3 Qa7 11.Rc8 Kc8 12.Nf3 +–.

    9.e3 Qa1 10.Bc4 +–.

    9.e3 Qa2 10.Nc3 Qa7 11.Rc8 Kc8 12.Nf3 (12.Nh3 Kd8+–) 12...e6 (better is 12...Kd8+–) 13.Qa4 (better is 13.Be2!?+–) 13...Qa4+/– 14.Na4 Bb4 (14...b5 15.Nb6 Kc7 16.Nd7 Kd7 17.Ne5 Ke7 18.Nc6 Kf6 19.Bb5+/–) 15.Nb6 (15.Be2 d5+/–) 15...Kc7+= 16.Nc4 Ne7 (16...Nh6 17.Nce5+=) 17.Bd3 (17.Nce5 f6 18.Nd3 Ba5+=) 17...Nd5 (17...b5 18.Nb2+=) 18.Ke2 Ra8 19.Rb1 b5 20.Nce5 f6+= 21.Ng4?? Bd6?? 22.g3?? Ra2 23.e4?? Nb4 24.Ne3 Nd3 25.Kd3 b4 26.Nc4 Be7= 27.Nd4 c5 28.Nb3 d5 29.Nb2 c4 30.Nc4 dc4 31.Kc4 Rc2 32.Kd3 Ra2 33.f4 Kb6 34.Ke3 Bc5 35.d4 Bd6 36.h4 Kb5 37.Nc1 Rg2 38.Kf3 Rh2 39.Nd3 Kc4=+ 40.Nf2 Kd4–/+ 41.Rb3? Kc4–+ 42.Rb2 Kc3?? 43.Nd1+– Kc4 44.Rh2 b3 45.Nb2 Kc3 46.Ke3 Ba3?? 47.Nd1+– Kc4 48.f5 e5 49.g4 h6 50.g5 hg5 51.hg5 fg5 52.Kf3 Kd3 53.Nb2 Bb2? 54.Rb2 Kc3 55.Rg2 b2 56.Rg1 Kc2 57.Kg4 b1Q 58.Rb1 Kb1 59.Kg5 Kc2 60.Kg6 Kd3 61.Kg7 Ke4 62.f6 Kd3 63.f7 e4 64.f8Q e3 65.Qf1 e2 66.Qe1 Ke3 67.Kg6 Kf3 68.Kg5 Ke3 69.Kg4 Kd3 70.Kf3 (70...Kc4 71.Qe2 Kd5 72.Qb5 Ke6 73.Ke4 Kf6 74.Qd7 Kg6 75.Qe7 Kh6 76.Kf5 Kh5 77.Qg5#) 1–0. latmartins (1905) – Sopermi (1925), ajedrez21.com, 2005.

    9.e3 Qa2 10.Nf3 Qa7 11.Rc8 Kc8 +–.

    9.e3 Qa2 10.Nf3 Kc7 11.Rc8 Kc8 12.Nc3 Qa5 13.Be2 e6 14.0–0 Bb4 15.Qb3 Bc3 16.dc3 (16.Qc3?! Qc3 17.dc3 Nf6+–) 16...h6 (16...Nf6 17.Rb1 b5 18.c4+–) 17.Qb2 (17.Rb1!? b6 18.Rb2 Kd8+–) 17...Nf6 (17...Kc7 18.Ra1 Qb6+–) 18.Ra1 (18.Ra1 Qd8 19.Ra8 Kc7 20.Rd8 Rd8 21.Ne5+–) 1–0. Janek – Bonnie, internet, 2016.

    9.e3 Kc7 10.Ra8 +–.

    9.e3 Kc7 10.Rc8 Kc8 11.Nf3 d6 (11...Kd8 12.Be2+–) 12.Nc3 (12.Ng5 Nh6+–) 12...Kc7 (12...Kd8+–) 13.Qb1?? (better is 13.Bc4 d5 14.Ne5+–) 13...Qb1+/– 14.Nb1 e5 15.Ng5 (15.Bc4 Nh6+/–) 15...Nh6 16.Be2 Be7 17.Ne4 f5 18.Nec3 e4 19.0–0 Bf6 20.Rc1+= Kd7 21.d4 d5 22.Na4+/– Kd6 23.Nc5 Rb8 24.Nc3 f4 25.Rb1 b6 26.N3a4?? fe3=+ 27.fe3 Bg5 28.Rb3 Be3 29.Re3= bc5 30.dc5 Ke6 31.g4 Nf7 32.Nb6 Ne5 33.Kg2 Rf8 34.h3 g5 35.Ra3 h6 36.Kg3 Ng6 37.Ba6 Ne7 38.Re3 Rf4 39.Nc8 Ng6 40.Nd6+= Ke5 41.Bd3 Nh4 42.Ba6 Kd4=+ 43.Re2 Kc5–/+ 44.Ne8 Rf3 45.Kh2–/+ e3 46.Ng7 Ng6 47.Ne6 Kd6 48.Nd4+= Rf2 49.Rf2 ef2 50.Bf1 c5= 51.Nf5 Ke5 52.Kg3 c4 53.Kf2 h5 54.gh5 Kf5 55.hg6 Kg6 56.Ke3 Kf6 57.Kd4+/– Ke6 58.Bg2+– Kd6 59.Bd5 c3= 60.Be4 Ke6? 61.Kc3?? Ke5 62.Bf3 Kf4 63.Bg4 Kg3?? 64.Kd4 Kf4?? 65.Kd5 Kg3 66.Ke5 Kh4 67.Kf5 Kg3 68.Kg5 Kf2 69.h4 Ke3 70.h5 Kd4 71.h6 Ke5 1–0. Melzig,Ernst – Grueneschild,Hildegard, Bayern–ch Seniors, 2003.

    9.e3 e5 10.Nf3 (10.Nc3 d5+–) 10...Nh6 (10...Bb4 11.Ra8 b5 12.Bd3+–) 11.Be2 (11.Ra8!? d5 12.Nc3 Bd6+–) 11...Qa2 12.Ne5 (12.Nc3 Qa7 13.Rc8 Kc8 14.Ne5 g6+–) 12...Bd6 (12...Qa1 13.Nf3+–) 13.Bc4 (13.Rc8 Kc8 14.Nc3 Qa7+–) 13...Qa7 14.Rc8! Kc8 15.Nf7 Nf7 16.Bf7 Rf8 17.Bh5 g6 18.Bf3 Qb8 19.h3 Be5 (19...Qa7 20.–0+–) 20.d4 Bg7 21.0–0 d5 22.Qc2 Kd8 23.Nd2 Qd6 24.Ra1 1–0. Plantet,Marc (1910) – Hogrel,Nicolas (2090), Montigny le Bretonneux op 1st, 2002.

    9.Nf3 e5 +–.

    5.c5 Qc7

    6.ab4 d6?? 7.Ra8+– 1–0. purplegadge (1770) – spargeltarzan (2030), gameknot.com, 2014.

    6.e3 ba3 7.Na3 Na6 8.Nc4 Nf6 9.Qb1 d5 10.Be5 Qd8 11.Nb6 Ra7 12.Nf3 Bg4 13.Nd4 e6? (better is 13...Nd7 14.Nd7 Bd7+=) 14.Nb5!+– Bc5 (14...cb5) 15.Na7 Qb6 16.Qb6 Bb6 17.Ba6 ba6 18.Ra6 Bc5? (18...Ba7 19.Ra7 0–0+–) 19.Nc6 Kd7 20.Nb8 Ke7 21.f3 Bf5 22.d4 (22.d4 Bd3 23.dc5 Ba6 24.Bd6 (worse is 24.Na6 Ra8 25.Nb4 Ra4+–) 24...Ke8 25.Na6+–) 1–0. forsetinn (2225) – hahaha (1975), gameknot.com, 2014.

    6.e3 ba3 7.Na3 Qd8 8.Nc4 Na6 9.Nf3 d6 10.Nb6 Rb8 11.Nc8 Qc8 12.cd6 ed6 13.Be2 Nc5 14.0–0 Nd7 15.Nd4 Ngf6 16.f4 Nc5 17.Qc2 Be7 (17...Qd8!?=) 18.Nf5+/– Bf8 19.Bf6 gf6 20.d4 Nb3? (better is 20...Ne6+/–) 21.Ra7+– (21.Qb3?! Qf5 22.Ra7 Qe6+/–) 21...Qe6 (21...d5 22.Bg4 Nd4 23.ed4 Qc7+–) 22.Rb1 Nd4 23.ed4 (worse is 23.Nd4 Qe3 24.Kh1 Be7 25.Rbb7 0–0+–) 23...Be7 (23...d5 24.Rab7 Rb7 25.Rb7 Rg8 26.Rb8 Kd7+–) 24.Ng7 1–0. forsetinn (2115) – tana9, gameknot.com, 2013.

    6.e3 ba3 7.Na3 Qd8 8.Nc4 Na6 9.Nf3 Nf6 10.Nb6 Rb8 11.Qc2 e6 12.Bd4 Be7 13.Rb1 0–0 14.Ng5 g6 15.h4 1–0. forsetinn (1945) – recklessattack (2085), gameknot.com, 2013.

    6.e3 b5 7.ab4 Ra1 8.Ba1 Na6 9.Qb3 d6 10.d4 e5 11.Nf3 ed4 (worse is 11...dc5 12.dc5 e4 13.Nd4+/–) 12.ed4 (worse is 12.Nd4 dc5 13.bc5 Nc5–/+; worse is 12.Bd4 Nf6+=) 12...Nf6 13.Nc3 Be7 14.Nb5 cb5 15.Bb5 Kf8 16.Bc4 Qb7 17.b5 Qe4 18.Kd2 Qf4 19.Kd1 Nb8 (19...d5 20.Bd5 Nc7 21.Bc4+= (21.Bf7? Ng4 22.Rf1 Qf7 23.Qf7 Kf7–+)) 20.Re1 Qf5 (20...Ng4 21.Re2 dc5 22.h3+=) 21.c6 d5 22.Bd3 Ne4 (22...Qg4!?=) 23.Be4+= de4 24.Ne5 1–0. forsetinn (2330) – rcm06 (2210), gameknot.com, 2014.

    6.e3 b6 7.ab4 Ra1 8.Ba1 bc5 9.bc5 Qa5 10.Bd4 Na6 11.Ba6 Ba6 12.f4 Nf6 13.Nc3 e6 14.Qb1 Be7 15.Qb8 Bd8 16.Qb2 0–0 17.Nf3 Be7 18.Kf2 Qc7 (18...Ra8 19.Ra1 Qd8 20.Bf6 Bf6 21.Ne5=) 19.Ra1 (19.Qb6 Qb6 20.cb6 d6+=) 19...Bd3 (19...Rb8 20.Qc2 Ra8 21.Ra4+=) 20.Qb6+/– Qb6? (better is 20...Qc8+/–) 21.cb6+– Rb8? (21...c5 22.Bf6 gf6+–) 22.b7! Rb7 (22...Bd6 23.Ra8 Ba6 24.Ra6 Rb7 25.Ra8 Rb8 26.Ra7+–) 23.Ra8 Bf8 24.Bc5 d6 (24...h6 25.Rf8 (worse is 25.Bf8 Ne4 26.Ne4 Be4+–) 25...Kh7 26.Rf7+–) 25.Bd6 (25.Bd6 h5 26.Rf8 Kh7 27.Rc8+–) 1–0. forsetinn (2435) – arbab (1925), gameknot.com, 2015.

    6.e3 d6 7.Nf3 Nd7 8.ab4 Ra1 9.Ba1 Ngf6 10.d4 e6 11.Nbd2 Be7 12.Bd3 0–0 13.Qb1 b6 14.cd6 Bd6 15.0–0 h6 16.Rc1 Bb7 17.Nc4 Be7 18.e4 Ra8 19.Bc3 Ba6 20.Bd2 Bb5 21.Qb3 Qa7 22.Bb1 Rd8 23.Ne3 Nf8 24.h3 Rd7 25.Nc4 Rd8 26.Be3 N8d7 27.Nce5 Ne5 28.Ne5 Qb7 29.Qc2 Bb4 30.Nc6 Bc6 31.Qc6 Qc6 32.Rc6 Rb8 33.Kf1 Kf8 34.Ke2 Be7 35.Kd2 Ke8 36.Bd3 b5 37.Kc2 Kd7 38.Ra6 Rb7 39.Ra5 Kc6 40.f3 Bd8 41.Ra6 Kd7 42.d5 Bc7 43.Bc5 1–0. forsetinn (2205) – rlcpw (2035), gameknot.com, 2014.

    6.e3 Nf6 7.Nf3 d6 8.ab4 Ra1 9.Ba1 Bg4 10.cd6 ed6 11.Bf6 gf6 12.Nc3 Nd7 13.Qb1 Ne5 14.Nd4 Qd7? (better is 14...d5!?+=) 15.h3 Be6 16.f4 Nc4 17.Ne6 Nd2 18.Ng7! (18.Ng7 Bg7 19.Kd2+–) 1–0. forsetinn (2115) – socializa (1760), gameknot.com, 2013.

    6.Nf3 ba3 7.Na3 Na6 8.Nc4 d6 9.Bc3 dc5 10.Ba5 Qb8 11.Nb6 Ra7 12.Nc8 Qc8 13.Bb6 Ra8 14.e3 e6 15.Ba6 Ra6 16.Ra6 ba6 17.Qc2 (17.Qa4 Qb7 18.Qa5 Nf6–/+) 17...Qb7 18.Bc5 Bc5 19.Qc5 Ne7 (19...Qb5 20.Qc2=+) 20.0–0 0–0 21.h3 Rb8 22.Nd4 (22.d4 Qc7=+) 22...Qc7 (22...Qb4 23.Qb4 Rb4 24.Rc1–/+) 23.Rc1=+ Rb6 24.g3 (24.f4 h6=+) 24...h6 (24...e5 25.Nc2–/+) 25.Kf1 (25.f4 Kh7=+) 25...e5 26.Ne2 Rb5 27.Qc4 (27.Qc2 Qd7 28.Kg2 c5–/+) 27...Qd7–+ 28.Kg2 (28.Qh4 c5–+) 28...Qd2 29.Rc2 Qd1 30.Rc1 Qd5 31.Qd5 Rd5 (< 31...cd5 32.Rc7 Nf5 33.Nc3–+; 31...Nd5?! 32.Rc6 Rb2 33.Nc3–/+) 32.Rb1 f5 33.Rb7 Kf7 34.Ra7 Ra5 35.Nc1 Ra3 36.Kf3 Kf6 37.Ke2 e4 38.Kd2 Ng6 39.Kc2 Ne5 40.Kb2 Ra5 41.Kc3 Rc5 42.Kd2 Nf3 (43.Kd1 Ra5–+) 0–1. Maly,Wolfgang – van Unen,Hans, EM/H/001 ICCF Email, 1999.

    5.c5 Qd8

    6.Nf3 d6 7.ab4 Ra1 8.Ba1 Nf6 9.e3 Bg4 10.d4 Nbd7 11.h3 Bf3 12.Qf3 Nd5 13.Bc4 e6 14.Bc3 dc5 15.bc5 b6 16.0–0 bc5 17.dc5 Qc7 18.Bd5 cd5 19.Rc1 f6 20.Bd4 Bc5 21.Nd2 Qb6 22.Bc5 Nc5 23.e4 0–0 24.ed5 Rd8 25.de6 ½–½. pvanr (1890) – damefruta (1995), gameknot.com, 2009.

    6.ab4 Ra1

    7.Ba1 b6 8.e3 (8.Nf3 d6=) 8...d6 9.Qc2 (9.Nf3 e5=) 9...bc5 (9...e5 10.Nf3=) 10.bc5 d5 (10...Qa5 11.Bb2=) 11.Nf3+= Nd7 12.Ne5 (12.Bd3 Qc7=) 12...Ne5 13.Be5 Nf6 14.Qa4 Bb7 (14...Qd7 15.d4+=) 15.Be2 (15.Qa7 Qc8+=) 15...e6 (15...Nd7 16.Bg3=) 16.d4 Be7 (16...Nd7 17.Qa7 Qc8 18.Bg3+=) 17.Nc3 Qa8 (17...Nd7 18.Bg3+/–) 18.0–0 (18.Qa8 Ba8 19.0–0 0–0+–) 18...0–0 (18...Qa4 19.Na4 Nd7 20.Bg7+/–) 19.Rb1 Nd7 20.Bg3 (20.Bd6 Bd6 21.cd6 e5+/–) 20...e5 21.Qa8 (21.Bd1 ed4 22.ed4 Bf6+=) 21...Ba8+= 22.Ba6 (22.Ra1 ed4 23.ed4 Bf6+=) 22...ed4 (22...f5 23.f4 ed4 24.ed4=) 23.ed4+= Bf6 24.Ne2 Re8 25.Kf1 Nf8 26.f3 Ne6 27.Rb4 ½–½. Querol,Sergio (2000) – Hernando "Wilson",Antonio (2165), Cto Autonomico Equipos, 2005.

    7.Ba1 d6 8.d4 e5 9.e3 ed4 10.ed4 dc5 11.bc5 Qe7 12.Be2 Qg5 13.g3 Be7 14.Nf3 Qh6 15.0–0 Nf6 16.Re1 Be6 17.Qa4 Kd8 18.Qb4 Kc8 19.Bc4 Nd5 20.Bd5 cd5 21.Nc3 Nc6 22.Qa4 Kc7 23.Ne5 Ne5 24.Re5 Qc1 25.Kg2 Kb8 26.Nb5 Rd8 27.Qa7 Kc8 28.Qa8 Kd7 29.Qb7 Ke8 30.Nc7 Kf8 31.Re6 Qa1 32.Re7 Qd4 33.Ne8 Re8 34.Rf7 Kg8 35.Rf4 Qf4 36.gf4 d4 37.Qd5 Kh8 38.c6 h6 39.c7 Rc8 40.Qd8 Rd8 41.cd8Q Kh7 42.f5 d3 43.Qd3 Kg8 44.Qd5 Kf8 45.Qe6 h5 46.h4 g5 47.fg6 Kg7 48.Qf7 Kh8 49.Qh7 1–0. Bonetti,Shane – Celes (2275), ICC, 2002.

    7.Ba1 d6 8.d4 e5 9.e3 ed4 10.ed4 Nf6 11.Bc4 (11.Nf3 Be7=) 11...b5 12.Bb3 Na6 13.Bc3 Ne4 ½–½. Grott,Peter – Keber,Ernst, DESC, 2000.

    7.Ba1 d6 8.e3 e5 9.Qc2 Nd7 10.Nf3 dc5 11.bc5 Qa5 12.Be5 Ne5 13.Ne5 Qc5 14.Qc5 Bc5 15.Bc4 Nh6 16.Nc3 b5 17.Bb3 Bb7 18.Ne4 Be7 19.Nd3 0–0 20.Nec5 Bc8 21.Ke2 Ng4 22.f3 Nf6 23.Rc1 Nd7 24.Nd7 Bd7 25.Ne5 Ba3 26.Rc2 Bf5 27.e4 Bd6 28.Nf7 Rf7 29.Bf7 Kf7 30.ef5 Bh2 31.Rc6 Bg1 32.g4 h6 33.Kd3 Bf2 34.Ke4 b4 35.d4 Be1 36.Rb6 Bc3 37.Kd3 Ke7 38.Kc4 Be1 39.Rb4 1–0. Blasig,Volker – Pimenta, 1991.

    7.Ba1 d6 8.e4 dc5 9.bc5 Qa5 10.Nc3 Qc5 11.f4 Nf6 12.Be2 Qa5 13.Nf3 Bg4 14.h3 Bf3 15.Bf3 e6 16.0–0 Be7 17.Qb3 b5 18.e5 Nfd7 19.f5 Ne5 20.Ne4 Qc7 (better is 20...Qa4!? 21.Qe3 Nc4+=) 21.fe6+= f5 22.Bh5 Kd8 23.Rf5 Qa7 24.Kh2 Qa1 25.Qg3 Rf8 26.Re5 (26.Qe5?! Qe5 27.Re5 g6+=) 26...Rf1 27.Nf2 Rf2?? (27...Qa3 28.Rd5 Kc8 29.Rd8 Bd8 30.Qa3 Bc7 31.g3 Rf2 32.Kh1 g6+–) 28.Rb5+– Nd7 (28...Bc5 29.Qb8 Ke7 30.Qe8 Kf6 31.Rc5 Qe5 32.Re5 Ke5+–) 29.Rb8! (29.Rb8 Nb8 30.Qb8#) 1–0. Holving,R (2210) – Bouaraba,M (2215), Rilton Cup SWE, 2011.

    7.Ba1 e6 8.e3 (8.e4 d6=) 8...Nf6 (8...d6 9.d4=) 9.Nf3 (9.Qf3 d6 10.Bf6 gf6=) 9...b6 (9...b5 10.d4=) 10.Qa4 (10.Bf6 Qf6 11.d4 d6=) 10...d6 (10...b5 11.Qa3=) 11.Bf6 gf6 (11...Qf6? 12.Qa8 (12.cb6?! d5+=) 12...Qd8 13.Qb8 dc5 14.Qa7 cb4 15.Ne5+–) 12.Qa7 Nd7 13.cb6 (13.b5 bc5 14.bc6 Bg7+–) 13...Nb6 (13...Qb6 14.Qb6 Nb6 15.b5 cb5 16.Bb5 Kd8 17.d4=) 14.Nd4 Bd7 15.b5 c5 (15...cb5 16.Bb5 Nc8 17.Qd7 Qd7 18.Ke2+=) 16.Nc6+= Nc8 17.Nd8 Na7. Durez,Cedric (1610) – Mauron,Regis (1780), St Quentin op 5th, 2002.

    7.Ba1 Na6

    8.Qa4 Nf6 9.Bf6 gf6 10.e3 b5 11.Qa3 e6 12.Nc3 f5 13.d4 Bg7 14.Nf3 h6 15.Be2 Bf6 16.e4 fe4 17.Ne4 h5 (better is 17...Be7!?+/–) 18.Nd6+– Ke7 19.Ne5 Be5 20.de5 Qg8 21.0–0 Nc7 22.f4 Nd5 23.f5 f6 24.ef6 Nf6 25.Qb2 Qg5 26.Qe5 Rg8 27.Bf3 (27.Nc8?! Kd8 28.Qg3 Qg3 29.hg3 Kc8 30.fe6 Nd5 31.Bh5 Rd8 32.ed7 Kc7+–) 27...h4 28.h3 Qg3 29.Re1?? (better is 29.Qa1+–) 29...Qf3+= 30.Nc8 Kd8 31.Qf6 Kc8 32.Qb2 Qf5 (32...ef5?? 33.Re8 Re8 34.gf3+–) 33.Rf1 0–1. Kleinke,Uwe – Lueth,Jochen, Mecklenburg VP LL2, 2006.

    8.Qb3 b5 9.e3 d6 10.d4 d5 11.Nc3 Nc7 12.Nf3 e6 13.Be2 Bd7 14.0–0 Ne7 15.Ne5 f6 16.Nd7 Qd7 17.e4 g6 18.Bb2 Bg7 19.Bc1 0–0 20.f4 de4 21.Be3 f5 22.Rd1 Ned5 0–1. Schiller,W – Butze,R, corr 1975.

    8.Qb3 d6 9.d4 d5 (9...Nf6 10.e3=) 10.Nf3 Nf6 11.e3 Ne4 12.Be2 Nb8 13.0–0 Nd7 14.Nbd2 Ndf6 15.b5 Qa5 (better is 15...Bg4!? 16.Bd3 e6+/–) 16.bc6+– Nd2 (16...bc6 17.Ne4 Ne4+–) 17.Nd2?? (better is 17.cb7 Bb7 18.Qb7 Nf3 19.gf3+–) 17...bc6+/– 18.Qb8 Qd8 19.Rb1 Nd7? (better is 19...Bf5 20.Qd8 Kd8+/–) 20.Qa7 (20.Qa8 e6 21.Bc3 Ke7+–) 20...f6 21.Bc3 Kf7 22.Ba5 Qe8 23.Qa8 Nc5 24.dc5 e6 25.Rb8 Bc5 26.Bc7 Qd7 27.Qa5 Be7 28.Nf3 e5 29.h3 Bd8 30.Bd8 Rd8 31.Nd2 Re8 32.Nb3 Re7 33.Nc5 Qc7 34.Qa8 Re8 35.Ba6 Bd7 36.Nd7 Qd7 37.Re8 Qe8 38.Bb7 Qa8 39.Ba8 d4 40.Bc6 Ke6 41.ed4 ed4 42.Kf1 h5 43.Ke2 h4 44.Kf3 Ke5 45.Bb5 f5 46.Bd3 g5 47.g3 hg3 48.fg3 Kf6 49.h4?? gh4+/– 50.gh4 Kg6 51.Kg3 ½–½. Stolzenwald,Karl Heinz – Bingel,Ottfried, Bad Woerishofen op1, 2006.

    8.Qb3 d6 9.e3 b5 10.cb6 Qb6 11.b5 Nc5 12.Bd4 Nb3 13.Bb6 cb5 14.Bb5 Bd7 15.Bc4 Nc5 16.Nc3 e6 17.d4 Na4 18.Na4 Ba4 19.Nf3 Nf6 20.0–0 Nd5 21.Ba5 Be7 22.e4 Nf6 23.e5 de5 24.Ra1 Bd7 25.de5 Nd5 26.Bd5 ed5 27.Bb4 Bd8 28.Nd4 g5 29.Ra8 1–0. Rook,Detlef (2250) – Def,Persey (1875), RA–2009–0–00059, 2009.

    8.Qb3 d6 9.e3 e5 10.d4 Nc7 11.Nf3 e4 12.Nfd2 Nf6 13.Nc3 d5 14.b5 Be7 15.bc6 bc6 16.Qb6 Qd7 17.Be2 0–0 18.0–0 Bd8 19.Qa7 Qf5 20.Rb1 Ne6 21.Qa4 Bd7 22.Rb7 Bc7 23.h3 Qg5 24.Nb3 Nh5 25.Ra7 Nhf4 (26.ef4 Nf4+–; 25...Nf6!?=). Bringsken,Peter (1930) – Schuster,Peter (2340), BdF, 2004.

    8.Qb3 e6 9.e3 b6 10.Ba6 Ba6 11.Qa3 Bb5 12.cb6 Qb6 13.Qa8 Qd8 14.Qd8 Kd8 15.Nc3 Bd3 16.Nce2 Nf6 17.Nf4 Bc4 18.Bc3 Kc7 19.Ngh3 h6 20.d3 Ba6 21.0–0 d6 22.Ra1 Kb7 23.Rd1 e5 24.Ne2 Nd5 25.e4 Nb6 26.f4 f6 27.Kf2 Na4 28.d4?? Be2–+ 29.Rc1 Nc3 30.Rc3 Bb5 31.d5 Be7 32.g4 Ra8 33.fe5 de5 (34.dc6 Bc6–+) 0–1. Rempe,Torge – Schulze,Thimo Sebastian, Schleswig Holstein–chA U16, 2000.

    7.Ba1 d5

    8.e3 b6 9.Nf3 =.

    8.e3 Bf5 9.Nf3 Nd7 10.Nh4 Be4 11.d3 e6 12.de4 Qh4 13.Nc3 Ngf6 14.g3 Qg4 15.Be2 Qg6 16.ed5 Nd5 17.Nd5 ed5 18.Bd3 Qg5 19.Qa4 Qd8 20.0–0 h5 21.e4 de4 22.Be4 Rh6 23.Bf5 Qb8 24.Re1 Be7 25.Bg7 Rf6 26.Bd7 1–0. Dittmar – Hierl, Wolfbusch–Straubing, 1984.

    8.e3 Bf5 9.Nf3 e6 10.Be2 Nf6 11.0–0 Nbd7 12.Nc3 Be7 13.Qa4 (13.Nh4 Bg6+=) 13...e5 14.d4 e4 15.Nd2 0–0 (15...b5 16.Qa6 Qc7 17.Qa8 Nb8 18.f3 ef3 19.Rf3=) 16.Bb2 (16.b5 Qa8=) 16...h5 (16...b5!? 17.Qa6 Qc7=) 17.b5+= Qc8 (17...Qa8 18.Qb3+=) 18.Ra1+/– Nh7 (18...Qb8 19.Ra2+/–) 19.Na2 (19.Bh5!? Nhf6 20.Be2 Kh7+–) 19...Ndf6 20.Nb4 Ng5 (20...Bd7!?+/–) 21.bc6+– Bh3?? (better is 21...Qc7+–) 22.cb7 Qb7 23.Ba6 Qc7? 24.Qc6 Qb8 25.Qb7 Qb7 26.Bb7 Be6 27.Nc6 Re8 28.Ne7 Re7 29.Ra8 Kh7 30.c6 Re8? 31.Re8 Ne8 32.h4 (32.h4 Kg6 33.hg5 Kg5 34.Ba3+–) 1–0. Turcot,J – Kunterman,H, corr, 1975.

    8.e3 Bf5 9.Nf3 e6 10.Be2 Nf6 11.0–0 Be7 12.Nc3 0–0 13.d4 Qc7 14.Na4 Nbd7= 15.Qb3 Ra8 16.Bb2 Rb8 17.Rc1 h6 18.b5 cb5 19.Bb5 Ne4 20.Bd7 Qd7 21.Nb6 Qc7 22.Ra1 f6? 23.Nd5!+– Qd7 24.Ne7 Qe7 25.Ra7 Qd7 26.Nh4 Bh7 27.h3 Kh8 28.Qb6 Qc8 29.Nf3 Bf5 30.Qb4 Qc6 31.Nh4+– Bh7 32.Qb3?? Nd2 33.Qb4 Ne4+– 34.Bc3 Nc3 35.Qc3 Qb5 36.Qa5 Qb1 37.Kh2 b6 38.cb6 Rb6 39.Ra8 Rb8+/– 40.Ra7 Rb7?? 41.Qd8+– Bg8 42.Ra8 Qh7 43.Ng6!! (43...Qg6 44.Qg8#) 1–0. Gorzel,S – Hille,Isolde, Damen BL2 Mitte, 1992.

    8.e3 Nf6 9.Nf3 Bg4 10.Be2 e6 11.0–0 Be7 12.d4 0–0 13.Nc3 b5 14.Bb2 Qc7 15.Qb3 Na6 16.Ra1 Qb7 17.h3 Bf3 ½–½. Rehberg,Norbert – Giesen,Dieter, Hessen–ch M Stadtallendorf, 1975.

    8.Nf3 Nd7 9.e3 Ngf6 10.d4 g6 11.b5 Qc7 0–1. Grosse,Michael (1685) – Carter,Maurice H, corr WS/O/074 ICCF, 2006.

    4.c4 c5

    5.b5 Nf6 6.Nc3 e6 7.e4 Qc7 8.Nf3 d6 9.Be2 b6 10.0–0 Bb7+/– 11.d3 Be7+= 12.Nd2 d5 13.ed5 ed5 14.Bf3 dc4 15.Bb7 Qb7 16.dc4 0–0 17.Qf3 Ra7 18.Qg3 Qc7 19.f4 Qd7 20.Nd5+– Nh5 21.Qf3 Nf6 22.Bf6 Bf6 23.Nf6 gf6 24.Rad1 Qf5 25.Ne4 Rd7 26.Qg4 Qg4+/– 27.Nf6 Kg7 28.Ng4 Rfd8 29.Ne3 Rd3 30.Nd5+– Rd1 31.Rd1 Rd6 32.Kf2 Nd7 33.g4 Nf6 34.Kf3 h6 35.h3 Nh7 36.Re1 Nf6 37.Re5 Nd7 38.Re3 Nf6 39.Rd3 Nh7 40.f5 Ng5 41.Kf4 Nh7 42.Re3 Nf6 43.Re5 Nd7 44.Re7 Kf8 45.Re3 Kg7 46.Re8 Kh7? 47.Rd8 Kg7 48.Nb6 Rd4 49.Ke3 Nb6 50.Rd4 cd4 51.Kd4 The passed pawn on c4 quickly leads to threats 51...Nd7 52.c5 Kf6 53.c6 Nb6 54.Kc5 Na4 55.Kd6 (55...Nc3 56.b6 Nb5 57.Kd7 Na3 58.b7+–) 1–0. Bendig,Frank – Bank, BdF, 1988.

    5.d4 d6 6.b5 Bf5 +=.

    4.c4 d5

    5.c5 Qd8 6.e3 (6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Na6=) 6...ab4 (6...b6 7.cb6 ab4 8.b7 Bb7 9.ab4 Ra1 10.Ba1=) 7.ab4 Ra1 8.Ba1 Bd7 (8...b6 9.Nf3=) 9.Bd3 b6 10.Bd4 bc5 11.bc5 Qc7 (11...Nf6 12.Qb3 Bg4 13.f3=) 12.f4 Qa7 13.Qb3 Bg4 14.Qb6 (14.h3 Bc8+=) 14...Qa8 15.h3 Bc8 16.Nf3 Nd7 17.Qb4 f6 (17...e6 18.0–0+=) 18.Qc3 (18.0–0 e6+=) 18...Qb8 19.0–0 e6 20.e4 (20.Na3!?+=) 20...Qf4= 21.ed5 ed5 22.Na3 (22.Re1 Ne7=) 22...Be7 23.Nc2 Qc7 24.Bf2 Ne5 25.Ne5 Qe5 26.Nd4 Qc7 27.Qc2 g6 28.Be3 Qd7 29.Rb1+= Kf7 30.Rb6 Bb7 31.Qb3 Ba8 32.Rb8 Qa7 33.Qb6 Qa3 34.Qa6 Qa6 35.Ba6 Bc5 36.Ra8 Bd4 37.Bd4 h5 38.Bb7 Rh7 39.Bc6 Ne7 40.Be8 Kg7 41.Ra7 Kh6 42.Bf6 Ng8 43.Bg5! Kg5 44.Rh7 Nf6 45.Re7 d4 46.Bb5 h4 47.Bd3 Kh6 48.Re6 Kg7 49.Rd6 g5 50.Rd4 Kf7 51.Rb4 Ke7 52.Rb5 g4 53.hg4 Ng4 54.Rg5 Nf6 55.Kh2 Nd7 56.Rg7 Kd6 57.Rd7 Kd7 58.Kh3 Ke6 59.Kh4 Ke5 60.g4 Kf4 61.g5 Ke5 62.g6 Kf6 63.Bb1 Kg7 64.Kg5 Kf8 65.Kf6 Ke8 66.g7 Kd8 67.g8Q Kc7 68.Qe6 Kd8 69.Qe7 Kc8 70.Bf5 Kb8 71.d4 Ka8 72.Be4 Kb8 73.Qb7# 1–0. Registration (2420) – Celes (2395), ICC, 2003.

    5.c5 Qc7

    6.Nc3 e5 7.e3 Nf6 8.d3 Be7 9.Qc2 0–0 10.Nf3 Re8 11.b5 (11.Be2!?=) 11...Bc5–/+ 12.b6? (better is 12.d4!? ed4 13.Na4–/+) 12...Bb6–+ (worse is 12...Qb6 13.Na4 Qc7 14.Nc5+/–) 13.Na4 Ba7 14.Be2 Bg4 15.0–0 Nbd7 16.Ng5 Be2 17.Qe2 h6 18.Nf3 b5 19.Nc3 d4 20.Ne4 Ne4 21.de4 de3 22.fe3 Qb6 23.Bc1 f6 24.Kh1 Nc5 25.Rb1 a4 26.Bd2 Nb3 27.Bc1 Nc1 28.Rbc1 Rac8 29.Qa2 Kh7 30.Qf7 Qc7 31.Qh5 Be3 32.Rc3 Bd4 33.Rd3 c5 34.Nh4 c4 35.Qg6 Kh8 36.Rf6 Rf8 37.Rf8 Rf8 38.Rf3 Rf3 39.gf3 Qe7 40.Nf5 Qf6 41.Qe8 Kh7 42.Qb5 c3 43.Qa4 Qg6 44.Ng3? Qf7 45.Nf5?? g6 46.Nh4? Qc7 47.Qe8–/+ Qg7 48.Qa4 Qe7 49.Qc4? Qh4?? 50.Qf7= Kh8 51.Qf8 Kh7 52.Qf7 Kh8 ½–½. Van Beek,Arnaud – Rene,Michel, Internet Section, 2004.

    6.e3 Bf5 7.f4 Nd7 8.Nf3 Ngf6 9.d3 b6 10.cb6 Qb6 11.Bd4 Qb7 12.ba5 Ra5 13.a4 (13.Be2!?=) 13...e6=+ 14.Bc3 Ra8 (14...Bb4 15.Nd4=+) 15.h3 h5 16.Nbd2 Be7 17.Nd4 Bg6 18.Rb1 Qc7 19.N2f3 0–0 20.Be2 e5 21.fe5 Ne5 22.0–0 Bd6 (22...Nf3!? 23.Rf3 Qd7=) 23.Nh4+= Rae8 24.Rf6 (better is 24.Ndf5!?+/–) 24...gf6= 25.Nhf5 Bc5 26.Qf1 Bd4 27.Bd4 c5 28.Rc1 (28.Bb2!?=+) 28...Qd7–/+ 29.Bc5 Qf5 30.Qf5 Bf5 31.Bf8 Kf8 (31...Rf8?! 32.d4 Nd3 33.Rf1=+) 32.d4 Nd3 33.Rf1 (33.Rc3 Re3 34.Bh5 Be4–+) 33...Bg6–+ 34.Bd3 (34.Rf3 Ke7 35.Rf1 Ra8–+) 34...Bd3 35.Rd1 (35.Re1 Ra8 36.Ra1 Ra5–+) 35...Be4 (36.Ra1 Rb8–+; better is 35...Re3!? 36.Kf2 Re2 37.Kf3–+) 0–1. Otte,Marco – van der Werken,Harmen (2050), Wag.Intcomp, 1997.

    6.e3 Nf6 7.f4 Nbd7 8.Nf3 g6 9.Be2 Bg7 10.0–0 0–0 11.h3 += Ne4 12.Bg7 Kg7 13.Qc2 Ng3 14.Re1 Nf6 15.Qb2 b5 16.Nc3 Ne2 17.Ne2 a4 18.g4 Kg8 19.Ng3 Ne4 20.Ne4 de4 21.Ng5 Qd7 22.Ne4 h5 23.Nf2 hg4 24.hg4 f6 25.Kg2 Kg7 26.Rh1 Bb7 27.g5 Rh8 28.Kg3 Raf8 29.Rh8 Rh8 30.Rh1 Rh5 31.Rh5 gh5 32.Qc3 Bc8 33.e4 Qc7 34.gf6 ef6 35.Qf3 Qd8 36.Qd3 Qc7 37.Qe3 Be6 38.e5 Qf7 39.Qe4 Bd5 40.Qe2 Qg6 41.Kh4 Bf7 42.Qf3 Qf5 43.Qe4 Kg6 44.ef6 Kf6 45.Qc6 Be6 46.Qe4 Bd5 47.Qd4 Ke6 48.Qe3 Kf6 49.d4 Kg6 50.Qe5 Be6 51.c6 1–0. Stabenow – Grosch, corr DDR.

    6.Nf3 ab4 7.ab4 Ra1 8.Ba1 (--> 1.b4 c6 2.Bb2 Qb6 3.a3 a5 4.c4 ab4 5.c5 Qc7 6.ab4 Ra1 7.Ba1 d5 8.Nf3).

    6.e3 Nd7

    7.d4 e5 8.de5 Ne5 9.Qd4 Ng6 10.Nf3 Nf6 11.Nc3 Be6 12.h3 h6 (12...Bf5 13.Be2=) 13.Bd3+= Ne7 14.g4 (14.0–0 Nf5 15.Qe5 Qe5 16.Ne5 Be7+=) 14...Rd8 (14...h5 15.g5 Nd7 16.e4=) 15.Ke2 (15.b5 Nc8+=) 15...Nc8 (15...h5 16.Rhg1=) 16.Na4 Nd7 (16...Be7 17.Ke1+=) 17.Nh4 (17.Qf4 Qf4 18.ef4 f6+=) 17...ab4 18.ab4 b5 19.Nc3 Ne5? (better is 19...Rg8+=) 20.Nb5!+– Qe7 (20...cb5 21.Qe5 Decoy) 21.Qe5 Qh4 22.Nc7 Kd7 23.Ne6 fe6 24.b5 Bc5 25.bc6 Kc6 26.Rhc1 Rhf8 (26...Qe7 27.Bd4 Qd6 28.Rc5 Qc5 29.Bc5 Rd6 30.Ra6 Kd7 31.Qg7 Ne7 32.Rd6 Kc7 33.Qe7 Kb8 34.Rb6 Kc8 35.Ba6) 27.Rc5! Kc5 (27...Kc5 28.Qc7 Mate attack) 28.Rc1 (28.Qc7 Kb4 29.Qc3) 28...Kb6 (28...Kb4 29.Qc3 Ka4 30.Ra1) 29.Qc7# 1–0. De Visser,Arno – Ruiter, 1984.

    7.d4 Ngf6 8.Nf3 g6 9.Bd3 Bg7 10.0–0 0–0 11.Re1 e5 12.de5 Ng4+= 13.h3 Nge5 14.Ne5 Ne5 15.Nc3 Nd3 16.Qd3 Bf5 17.Qe2 Rfe8 18.g4 Be4 19.Ne4= Re4 20.Bg7 Kg7 21.f3 Qg3 22.Qg2 Qg2 23.Kg2 Rc4 24.Rab1 ab4 25.Rb4 Rb4 26.ab4=+ Ra2 27.Kg3 Rb2 28.e4 d4 29.e5 Rb4 30.e6 Kf8 31.e7 Ke8 32.Re4 b5 33.cb6–/+ c5 34.Re5 c4 35.Re4? c3 36.b7 c2 37.Rd4 c1Q (38.b8Q Rb8 39.Rd8 Rd8 40.ed8Q Kd8–+; 37...Rb7?! 38.Rc4=) 0–1. Rosner,Dirk – Joerges, corr Bez–M Rostock, 1989.

    6.Nf3 Nd7

    7.d4 ab4 8.ab4 Ra1 9.Ba1 Ngf6 10.e3 g6 11.Nc3 Bg7 12.Be2 0–0 13.0–0 Re8 14.Qb3 e5 15.de5 Ne5 16.Ne5 Re5 17.h3 Rg5 18.f4 Rg3 19.Kf2 Re3 20.Ke3 d4 21.Kf3 dc3 22.Bc3 Nd5 23.Bd2 g5 24.fg5 Be6 25.Qd3 Qe5 26.Kf2 Bf5 27.Qa3 Qd4 28.Ke1 Bc2 29.Rf3 Be5 30.Qa8 Kg7 31.Qb7 Qa1 32.Kf2 Bd4 33.Kg3 Be5 34.Kf2 Bd4 35.Be3 Be3 36.Re3 Qd4 37.Qc6 Qe3 38.Kf1 Qc1 39.Kf2 Qf4 40.Bf3 Qe3 41.Kg3 Qg5 42.Kf2 Nb4 43.Qd6 Nd3 44.Ke2 Nc5 45.Qd4 f6 46.Qd8 Qe5 47.Kd2 Bf5 48.Bd5 Qd4 49.Ke1 Nd3 0–1. Helle – Houtsonen, Finland 1986.

    7.d4 Ngf6 8.e3 b6 9.Bd3 ab4 10.ab4 Ra1 11.Ba1 bc5 12.bc5 e5 13.de5 Ne4 14.0–0 Ndc5 15.Bc2 Be7 16.Nc3 0–0 17.Nd4 Re8 18.Ne4= de4 19.Qb1 Ba6 20.Rd1 Nd3 21.Qb3 c5 22.Qa4 Ra8 23.Nf5 Bb7 24.Qb5 Nb4 25.Bb3 Bf8 26.e6+= fe6 27.Be6 Kh8 28.Bc3 Bc6 29.Qe2 Nd3 30.Qg4 g7 draws heavy fire 30...Rd8 31.Nh6 Be8 32.Qe4 Ne5 33.Rd5 (33...Qb6 34.Be5 Rd5 35.Bg7 Kg7 36.Bd5 Kh6 37.g4+–) 1–0. smurilo – pierre, ChessHere.com, 2006.

    7.d4 g6 8.Nbd2 (8.b5 b6+=) 8...Bg7 (8...ab4 9.ab4 Ra1 10.Ba1+=) 9.e4 (9.e3 b6=) 9...de4 10.Ne4 Ngf6 11.Ned2 (11.Nf6 Nf6 12.Bc4 0–0=) 11...0–0 12.Bd3 (12.b5 Nd5 13.Qc2 cb5 14.Bb5 Rd8=) 12...Nd5+= 13.Qb3 ab4 14.ab4 Ra1 15.Ba1 b5 (15...N7f6!?+=) 16.Bb5+= Nf4 17.Bf1 Nf6 18.g3 Nh3 (18...N4d5 19.Ne5+=) 19.Bg2 (19.Qa4 Be6+=) 19...Qa7 (19...Be6 20.Qa3=) 20.Bb2 (20.Qb2 Be6 21.Ne5 Ra8+=) 20...Be6 21.Nc4 Ne4 22.Bh3 Bh3+/– 23.Nfe5 Be6 24.Nc6+– Qd7 25.b5 Nc5 26.dc5 Bb2 27.0–0 Bf6 28.Qb4 h5 29.N6a5 Qd3 30.Rc1 Rd8 31.b6 Qf3 32.Ne3 Bd4 33.Qe1 h4 34.Qd1+= Qe4 35.Nb3 Be3?? 36.Qd8+– Kg7? 37.Nd2 Qe5 38.b7 hg3 39.b8Q (39.b8Q gf2 40.Kg2 Qg5 41.Kf1 Qg1 42.Ke2 Bg4 43.Nf3 Bf3 44.Kf3 f1Q 45.Rf1 Qf1 46.Ke3 Qe1 47.Kd4 Qd1 48.Kc4 Qc2 49.Kb5 Qb2 50.Kc6 Qf6 51.Kd7 Qf5 52.Ke8 Qc5 53.Qb7+–; 39.fe3?! Bd5 40.hg3 Qe3 41.Kf1 Qd2 42.Qg8 Kg8 43.b8Q Kg7+/–) 1–0. Molina Medina,Rafael – Jove Grau,Lluis, corr ESP Arboleya, 1998.

    7.e3 Ngf6

    8.Nc3 e5 9.d4 e4 10.Nd2 Be7 11.b5 0–0 12.b6 Qb8 13.Be2 h6 14.Na4 Nh7 15.Bc3 f5 16.Nb3 f4 17.Na5 fe3 18.fe3 Bh4 19.g3 Bg5 20.Kd2 Ndf6 21.h4 Be3 22.Ke3 Qg3 23.Kd2 e3 24.Kc1 Ne4 25.Qe1 Nc3 26.Qc3 Nf6 27.Qb4 Ne4 28.Nc3 Nf2 29.Rf1 Bh3 30.Kc2 Bf1 31.Rf1 Qg6 32.Kb2 Nd3 33.Bd3 Qd3 34.Rd1 Rf2 35.Ka1 Rf1 36.Rf1 Qf1 37.Kb2 e2 38.Ne2 Qe2 39.Kc1 Qf1 40.Kc2 Re8 0–1. Junge – Grosch, corr DDR.

    8.d4 ab4 9.ab4 Ra1 10.Ba1 g6 11.Be2 Bg7 12.Nbd2 0–0 13.0–0 Ne8 14.Qb3 e5 15.de5 Ne5 16.Ne5 Be5 17.Nf3 Bg7 18.h3 Be6 19.Bg7 Ng7 20.Qb2 ½–½. Cafferty,B (2130) – Snape,I (2225), Hastings Masters, 2011. (=1.Nf3 Nf6 2.b4 c6 3.Bb2 Qb6 4.a3 a5 5.c4 d5 6.c5 Qc7 7.e3 Nbd7)

    8.d4 b6 9.Nc3 bc5 10.bc5+= e6 11.Bd3 Be7 12.0–0 Ba6 13.Rb1 0–0 14.Ba6 Ra6 15.Ne2 Ne4 16.Qc1 Rb8 17.Qc2 Ra7 18.Bc3 Rab7 19.Rb7 Rb7 20.Rb1 Rb1 21.Qb1 e5 22.Be1 g6 23.Qc2 Ng5 24.Ne5 Ne5 25.de5 Ne6 26.Nd4 Nc5 27.h3 Qb6 28.Kh2 Bh4 29.Kg1 Bg5 30.a4 Bh4 31.Kf1 Bd8 32.f4 Kf8 33.g4 Ke8 (33...h6 34.Kg2 Ke8 35.Bc3=) ½–½. Hirtreiter – Fischer,D, corr SOK–90–64, 1990.

    8.d4 b6 9.Bd3 =.

    8.d4 g6 9.b5+= cb5 10.Bb5 Bh6 11.0–0 0–0 12.Nc3 e6 13.Re1 Bg7 14.Rb1 h6 15.Qe2 Rb8 16.Bd3 b6+= 17.Nb5 Qb7 18.Nd6 Qc6 19.Nc8 Qc8+= 20.cb6 Nb6 21.Nd2 Na4+= 22.Ba6 Qc7 23.Ba1 Nc3 24.Bc3 Qc3 25.a4 e5 26.Rbc1+= Qb2 27.de5 Qe5 28.Rc5 Rb2 29.Rd1 Qd6 30.Rdc1= Rd2 31.Qd2 Qa6 32.Ra5 Qd6 33.Rc4 Rd8–/+ 34.Rf4 Ne4–+ 35.Qe2 Qc7 36.Qa6 Bc3 37.Rb5 Be5 38.Rb7 Qc1 39.Qf1 Qf1 40.Kf1 Bf4 41.ef4 Ra8 42.Rb5 Ra4 43.Rb2 Nc3 44.Rb8 Kg7 45.g3 d4 46.Rc8 Kf6 47.Rc6 Kf5 48.h4 Ne4 49.Rc7 Ra2 50.Rf7 Kg4 51.Rg7 d3 52.Rg6 Kh3 53.Ra6 Ra6 54.f5 Ra1 0–1. EXchess 3.11 – Crafty 19.01, 2005.

    8.Be2 ab4 9.ab4 Ra1 10.Ba1 b6 =.

    6.Nf3 f6

    7.d4 ab4 8.ab4 Ra1 9.Ba1 Bf5 10.e3 Nh6 11.Bd3 Bd3 12.Qd3 Nd7 13.0–0 +=. Stabenow,Juergen – Otto, corr (year?).

    7.d4 Bg4 8.Nbd2 Nd7 9.Qc2 e6 10.e4 Be7 11.b5 Nh6 12.ed5 ed5 13.b6 Qc8 14.Bd3 Nf8 15.0–0–0 Kf7 16.h3 Bh5 17.Rde1 Bg6 18.g4 Ne6 19.Bg6 hg6 20.Qd3 Re8 21.Nh4 Nf4 22.Qf3 g5 23.Ng2 Ng6 24.Re2 Qd7 25.Rhe1 Bf8 26.a4 Re2 27.Qe2 Ng8 28.Nf1 f5 29.Ng3 f4 30.Nf1 Nf6 31.f3 Be7 32.Kc2 Rh8 33.Nd2 Rh3 34.Rg1 Qe8 35.Ne1 Qh8 36.Nb3 Qf8 37.Bc3 Nd7 38.Nd3 Nh4 39.Rf1 Rg3 40.Rf2 Qa8 41.Na5 Nf6 42.Ne5 Kf8 43.Nec6 bc6 44.b7 Qe8 45.Nc6 Nd7 46.Qe7 Qe7 47.Ne7 Ke7 48.c6 1–0. Helbich – Pikulik, Brno 1986.

    4.c4 d6

    5.Qa4 e5 =.

    5.Qb3 Nd7 6.d4 ab4 (6...Ngf6 7.Nd2=) 7.ab4 Ra1 8.Ba1 c5 (8...Ngf6 9.Nf3=) 9.Nf3 cb4 (9...Qb4 10.Qb4 cb4 11.e4=) 10.Bb2 (10.e4 Qa5 11.Bb2 e5+=) 10...Qa5 (10...Ngf6 11.Nbd2+=) 11.e4 Nb6 (11...e5 12.Be2+=) 12.Bc1 Qa4 13.Qb2 Nf6 (13...f5 14.e5+=) 14.Bd3 Be6 (14...Bg4 15.0–0+=) 15.Nc3 (15.Nbd2 g6+=) 15...Qc6 (15...bc3 16.Qb6 Qc6 17.Qb3+/–) 16.d5+/– bc3 17.Qb3 (17.dc6?? cb2 18.Be3 Nc4 (18...bc6?! 19.Bb6 Bc4 20.Kd2 Bd3 21.Kd3–+) 19.cb7 Nd7–+) 17...Qc7 18.de6 fe6 19.Ng5 Nbd7 (19...Qc6 20.0–0 Nbd7 21.Ne6 Ne4 22.Qc2+/–) 20.Ne6 Qa5 (20...Qb6 21.Qc3 Nc5 22.Nc5 Qc5 23.0–0+/–) 21.0–0 Ne5? (better is 21...Nc5!? 22.Nc5 Qc5+–) 22.Bc2+– b6 (22...Ned7 23.Be3 g6 24.f4+–) 23.Be3 Kd7 (23...Ned7+–) 24.Bb6 Qa6 25.c5 Qc4 (25...h6 26.f4 Qc4 27.fe5 Qb3 28.Bb3+–) 26.c6! Ke6 (26...Qc6 27.Nd4; 26...Kc6 27.Qc4; 26...Nc6 27.Nf8) 27.c7 Kd7 28.Qa4 Qc6 29.Qa7 Ke6 30.Bb3 (30...d5 31.Qb8+–; 30.Qb8 Kf7 31.c8Q Qb5+–) 1–0. pierre (2045) – Garfield85 (1840), internet, 2006.

    5.Qb3 Be6 6.e3 Nd7 7.Nf3 Nc5 8.Qc3 (8.Qc2!? ab4 9.ab4 Ra1 10.bc5 Rb1 11.Qb1 Qc5 12.Bd4=) 8...Na4=+ 9.Qb3 Nb2 10.Qb2 ab4 11.ab4 Ra1 12.Qa1 Nf6 (12...Qb4 13.Nc3 Nf6 14.Ng5=+) 13.Nc3 (13.Qa8!? Kd7 14.Qa4=) 13...Qb4=+ 14.Be2 g6 (better is 14...Bf5=+) 15.0–0+– Qb6 (15...Bc4? 16.Rb1 Bb3 17.Nd4+–) 16.Rb1 (16.Qa8 Kd7 17.Rb1 Bg7 18.Qb7 Qb7 19.Rb7 Kc8+=) 16...Qc7= 17.Qa8 (17.Ne4 Bg7=) 17...Bc8=+ 18.Nd4 Bg7 19.Bf3 0–0 20.Qa7 ½–½. Fournier,Frederic – Godebert Florian, Train France (FRA), 1999.

    5.Qb3 Nf6 6.f3 Nbd7 7.e4 e5 8.Nc3 Be7 9.Na4 Qc7 10.d4 0–0 11.Rc1 ab4 12.ab4 c5 13.bc5 dc5 (13...Qa5!? 14.Qc3 Qa4 15.de5 Qc6 (< 15...dc5 16.Ra1+–; < 15...Ne5 16.Ra1+=; < 15...Nc5 16.Ra1+=) 16.cd6 Bd8=+) 14.d5 Nh5 15.Nc3 Nf4 16.Nge2?? (16.Rd1 Qd6=) 16...Ne2?? (better is 16...Nd3 17.Kd2 Nc1 18.Nc1 Rd8–+) 17.Be2= Bh4 18.g3 Bg5 19.Ra1 Ra1 20.Ba1 Be3 21.Nb5 Qa5 22.Bc3 Qd8 23.Be5! Ne5 24.Qe3 Qa5 25.Kf2 Qa2?? 26.Qc5 Nd3–+ 27.Ke3 Nc5 28.e5 Bf5 29.f4 Ra8 30.Re1 Qb3 31.Kf2 Ra2 32.Nd4 Qa3 33.Nf5 Nd3 34.Kf1 Ne1 35.Ke1 g6 36.d6 gf5 37.d7–+ Qa8 38.Kf2 Qd8 39.g4 Qd7 40.gf5 Qd2 41.Kg3 Qe2 42.Kh4 Qh2 43.Kg5 Kg7 44.f6 Kf8 45.e6 fe6 46.f5 ef5 47.Kf5 Re2 48.Kg4 Qg2 49.Kf4 Qf1 50.Kg3 Rg2 51.Kh3 Qh1 0–1. ludice (1815) – xspasitelx (1670), kurnik, 2011.

    5.b5 cb5 6.Qb3 Bd7 =.

    5.Nc3 Bf5 6.e3 (6.e4 Bd7+=) 6...Nd7 (6...ab4 7.Qb3=+) 7.b5 (7.e4!? ab4 8.ef5 bc3 9.Bc3=) 7...Ngf6 8.Nf3 e5 9.d3 Be7 10.Be2 0–0 11.0–0 Rfd8 (11...d5 12.Qd2=) 12.e4 (12...Bg4 13.h3 Bf3 14.Bf3+=). Seifert,J – Kross,G, corr SOK–89–48, 1989.

    5.d4 Na6 6.Bc3 ab4 7.ab4 Nf6 8.Nd2 Bf5 (8...g6 9.e3 Be6 10.b5 cb5 11.cb5+=) 9.Ra5 (9.Ngf3 g6+=) 9...e6 10.f3 (10.b5 cb5 11.Rb5 Qc6+=) 10...d5= Now all is on b4 11.c5 Qd8 12.Qa1 (12.Qa4 Be7=) 12...Nc7 (12...Be7 13.b5 cb5 14.c6+=) 13.Ra8 Qa8 14.Qa8 Na8 15.g4 Bc2 16.h4 (16.Nh3 Nc7=) 16...h6 (16...Nc7 17.Nh3=) 17.Nh3= Be7 18.e3 (18.Kf2 Nc7=) 18...Nh7 (18...Nc7 19.Kf2=) 19.Nf2 Nc7 20.Bd3 Bd3 21.Nd3 Nb5 22.Bb2 f6 (22...0–0 23.Ke2=) 23.Ke2 Kd7 24.Nf4 (24.Ra1 f5+=) 24...Ra8= 25.Ra1 Ra1 26.Ba1 Bd8 27.Ng6 Ke8 28.e4 Nf8 29.Nf8 Kf8 30.h5 Kf7 31.Bb2 Nc7 32.Ke3 (32.Nb3 Nb5=) 32...f5= 33.Kd3 (33.e5 g6 34.hg6 Kg6=) 33...Kf6 34.ef5 (34.gf5!? ef5 35.Nb3 fe4 36.fe4=) 34...ef5–/+ 35.Nf1 Na6 (35...fg4!? 36.fg4 Kg5–/+) 36.Bc3+= Nc7 (36...fg4!? 37.fg4 Kg5+=) 37.Bd2 Ne6 ½–½. Dzera,Evgeniy (2150) – Selifonova,Aleksandra (1920), Konakovo RUS, Chervonny Open, 2014.

    5.d4 Na6 6.Bc3+= Nf6 7.Nd2 Bf5 (7...ab4 8.ab4 g6 9.e3+=) 8.e3 ab4 9.ab4 e5? (better is 9...g6!?+=) 10.b5+– Nc7? (10...cb5 11.cb5 Nd5 12.Bb2+–) 11.Ra8 (better is 11.c5 dc5 12.de5 Ra1 13.Qa1 cb5 14.ef6 gf6 15.Bf6+–) 11...Na8+/– 12.Qa1 Qd8 13.Ngf3 (13.bc6 bc6 14.de5 de5+–) 13...e4 14.Nh4 (14.bc6 bc6 15.Qb1 Be7+=) 14...Bd7 15.bc6 bc6 16.g3 (16.Qa7 Be7 17.Ba5 Qc8+/–) 16...d5 17.cd5 (17.Qa7 Bd6+=) 17...cd5= 18.Ng2 (18.Nb3 Bd6=) 18...Bd6 19.Nf4 (19.Be2 0–0+=) 19...Nc7 (19...0–0 20.Be2+=) 20.Bg2 (20.Nb3 0–0 21.Nc5 Bg4+=) 20...Bb5–/+ 21.Nb3 0–0 22.Kd2 Qe7 23.Bf1 Ra8 24.Qb2 g5 25.Ne2? Ng4 26.Ke1 Qf6 27.Nec1 Bf1 28.Rf1 Nh2 29.Rh1 Nf3 30.Kf1 Nb5 31.Ba5 Ba3 32.Qe2 Bc1 33.Qb5 Be3! 34.fe3 Nd4 (34...Nd4 35.Kg1 Nb5–+) 0–1. Jamieson,Ian (2015) – Ellis,Daniel, The Four Nations Chess League, 2011.

    5.d4 e5 6.Qd2 Be6 (6...ab4 7.Qb4 Qb4 8.ab4 Ra1 9.Ba1=+) 7.c5 (7.de5 de5 8.c5 Qc7=) 7...Qc7 8.Nf3 Nd7 9.e3 Ngf6 10.Nc3 (10.Ng5 Bd5=) 10...Be7 (10...ab4 11.ab4 Ra1 12.Ba1 ed4 13.ed4=) 11.Be2 (11.cd6 Bd6 12.Rc1 Qd8=) 11...0–0 12.0–0 Rfd8 13.Qc2 dc5 14.bc5 ed4 15.ed4 Nd5 (15...b5 16.cb6 Nb6 17.Rfc1=) 16.Ne4 (16.Bd3 N7f6+=) 16...Nf4 (16...Bf5 17.Bd3=) 17.Bc4 (17.Rfe1 Bd5=) 17...Bc4 18.Qc4 Nf6 (18...Rab8 19.Bc1=) 19.Ne5 (19.Rfe1 N4d5=) 19...N6d5 (19...N4d5 20.Rfe1=) 20.Rfe1 f6 21.Nf3 Bf8 22.Bc1+/– Qf7 23.Bf4 Nf4 24.Qf7 Kf7 25.Rab1 Rd7 26.Neg5 Kg8 27.Ne6 Nd5 28.Kf1 Re8 29.Rb2 Rde7 30.Nf8 Kf8 31.Re7 Re7 32.Nd2 Nc3 33.Nc4 Rd7 34.Nd6+/– Nb5 35.Nb5 cb5 36.Rb5 Rd4 37.Ra5 Rd2 38.Ra8 Ke7 1–0. Lapshun,Yury (2440) – Stevens,Christian (2265), Guelph op 3rd, 2004.

    5.d4 e5 6.e3 ab4 7.Qb3 ed4 (7...Nf6 8.Nd2=) 8.ed4 Bf5 9.ab4 Ra1 10.Ba1 Nf6 11.Nd2 Na6 (11...Be7 12.c5 Qc7 13.Qf3=+) 12.Bc3 Ne4 13.Ne4 Be4 14.Nf3 (14.f3 Bf5=) 14...Bf3 15.gf3 Be7 16.Bd3 Bf6 17.Qb2 0–0 18.Rg1 (18.0–0!?=) 18...d5=+ 19.c5 Qc7 20.Rg3 Qf4 21.Kf1–/+ Nc7 22.Kg2 h5 23.Rh3 g6 24.Qc2 Bg7 25.Rg3 Ne6 26.b5 h4 27.Rg4–/+ h3 28.Kg1 Qf3 29.Rg3 Qh5 30.Be2–/+ Qh4 31.Bg4? Ng5 32.bc6–/+ bc6 33.Bd7 Bd4 34.Rg4? Nf3–+ 35.Kh1 Qf6 36.Rd4 Nd4 37.Qd3 Qf2 38.Bd4 Qg2 0–1. Starck,Bodo – Boehnisch,Manfred, DDR–ch, 1965.

    5.d4 e6 6.e3 ab4 7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 Nf6 11.Ngf3 Na6 12.Be2 Be7 =. pierre – controlX, internet, 2008.

    5.d4 e6 6.e3 ab4 7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 Nf6 11.Ngf3 Be7 12.Bd3= 0–0 13.0–0 Qc7 14.Qb3 Nbd7 15.Ra1 c5 16.d5 ed5 (16...Ne5 17.Ne5 de5 18.e4=) 17.cd5 Qb6 18.Bb5 Nd5 (better is 18...Qc7!?=) 19.Ba5+/– c4 20.Qa4 (20.Qc4?! Qc5=; < 20.Bc4 Qb3 21.Bb3 N7f6=+; 20.Nc4?! Qc5=) 20...Nc5 (better is 20...Qa7!? 21.Bd7 Bf6+/–) 21.Qc4+– Qa7 (better is 21...Ne3 22.fe3 Qa7+–) 22.Qd5 Be6 23.Qh5 Bd8 (23...Ra8 24.Ng5 h6 25.Ne6 fe6 26.Bc3 Qa1 27.Ba1 Ra1 28.Nf1+–) 24.Bc3 (24.Bc3 Qb6 25.Rb1+–) 1–0. pierre – controlX, internet, 2008.

    5.d4 e6 6.e3 ab4 7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nd2 g6 11.Bd3= Bg7 12.c5 Qc7 (12...dc5?? 13.dc5 Qd8 14.Bg7 Qd3 15.Bh8+–) 13.cd6 Qd6 14.Nc4 Qd5 15.Ne2 (15.e4 Qd8=) 15...Qg2 16.Nd6 Kd7 17.Rg1 Qh2 (17...Qf3 18.Be4 Qf6+/–) 18.Nf7+/– Nf6 19.Nh8 Bh8 20.Qa1 Ng4?? (better is 20...Nd5+/–) 21.Rg4+– Qh1 22.Rg1 Qd5 23.Nf4 Qd6 24.Rh1 g5 25.Rh7 (25.Rh7 Qe7 26.Re7 Ke7 27.Ng6 Kd7 28.Nf8 Kd6 29.Bb4 Kc7 30.Qa5 b6 31.Qa7 Bb7 32.Ne6 Kc8 33.Qb6 Kd7 34.Qd8 Ke6 35.Qd6 Kf7 36.Qg6#) 1–0. pierre – controlX, internet, 2008.

    5.e3 ab4 6.ab4 (6.Qb3 c5=) 6...Ra1=+ 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 (9.d4 Bf5 10.Nd2 Nf6=+) 9...Bf5 10.d3 Nf6 (10...e5 11.Be2=+) 11.Be2 (11.Bd4 Qc7=+) 11...Nbd7 (11...e5 12.e4 Bg4 13.0–0=+) 12.0–0 (12.Nh4 Bg4 13.Bg4 Ng4=+) 12...e6 (12...e5 13.Nbd2=+) 13.Nh4= Bg6 14.Qa4 (14.Nd2 d5=) 14...Nc5=+ 15.Qa8 Qd8 16.Qd8 Kd8 17.Ng6 hg6 18.Nd2 Kc7 (18...Be7 19.Ra1 Kc7 20.Nf3=) 19.Ra1= Be7 (19...d5 20.Be5 Bd6 21.Bd6 Kd6 22.d4=) 20.Ba5 (20.Nf3 Kd7=) 20...b6=+ 21.Bc3 Kb7 (21...Nb7 22.Ra7=+) 22.Nf3 Ne8 (22...e5 23.h3=+) 23.Nd4 (23.d4 Ne4 24.Bb4 N8f6=+). Durez,Cedric (1610) – Come,Alexandre (2095), St Quentin op 5th, 2002.

    5.Qa4 Na6

    6.Qa5 Qa5 7.ba5 Nc5 =.

    6.Qa5 Qa5 7.ba5 e5 8.e3 Nc5 9.Bc3 e4 10.Bb4 Nf6 11.Nc3 Be7 12.f3 (12.Bc5 dc5 13.d3 Bf5=) 12...Bf5 (12...Nd3!? 13.Bd3 ed3=) 13.Bc5 dc5 14.g4 Bg6 15.g5 Nd7 16.Rb1 ef3 (16...Ra5 A) < 17.fe4 A1) < 17...Bg5 18.h4 (18.Rb7?! Bh4 19.Kd1 Ra3=) 18...Bf6 19.h5+/–; A2) 17...Ra3 18.Bg2 Ra7=+; B) 17.Ne4?! Ra7=; C) 17.Rb7 Ra3 C1) 18.fe4? Rc3 (18...Bg5 19.Nf3 Bf6 20.e5 Ne5 21.Ne5 Be5 22.Bg2–/+) 19.dc3 Be4–+; C2) 18.h4+=) 17.Rb7 Ne5 18.Kf2 Ra5 19.Nf3 Nf3 20.Kf3 Rf8 (20...Ra3!? 21.h4 h6+=) 21.a4 f6 22.Bg2 fg5 23.Ke2 Rf6 24.Rf1 Re6 25.Rc7+/– Ra6 26.Ra1 Bf6 27.Rb7 Be5 28.a5 Bh2 29.Rb6 Bh5 30.Kd3 Bg6 31.Ke2 Bh5 32.Kd3 Rd6 33.Kc2+= Bg6 34.Be4 Ra8 35.a6 Be5 36.Rab1 g4 37.Rb8+– Rd8 38.Bg6 hg6 39.R8b6 g3 40.Ne4 Rdb8 41.Rc6 Rb1+= 42.Kb1 Kf8 43.Kc2 g5+/– 44.Ng5 g2 45.Nf3 Bh2 46.Rc5 g1Q 47.Ng1 Bg1 48.Rg5 Be3 49.Rf5 Kg8 50.de3 Ra6 51.Kd3 g6 52.Rf2 Kg7 53.c5 Rc6 54.Kd4 Rc8 55.e4 g5 56.Kd5 g4? 57.c6 g3 58.Rg2 Kf6 59.Rg3 1–0. Luzuriaga,Norberto Horacio – Riepe,Bernhard, E2000–4, 2000.

    6.Bc3 ab4=+ 7.ab4 Nc7 8.Qb3 Ra1 9.Ba1 e5 10.e3 Nf6 11.d4 Be7 12.Nd2 Be6 13.Ngf3 0–0 14.Be2 e4= 15.Ng5 Bf5 16.f3 ef3 17.Ngf3 Ra8 18.0–0 Qa7 19.Bd3 Bd3 20.Qd3 d5 21.e4 de4 22.Ne4= Qa3 23.Nf6 Bf6 24.Bc3 Qa7 25.Qf5 Rd8?? (better is 25...Ne6+=) ½–½. Majzik,Levente – Szuhanek,Ranko, HUN tt2, 2001.

    6.Nc3 ab4 7.Nd5 (7.ab4 e5=) 7...Qd8 8.ab4 Bd7 9.Nc3 e5 10.e4 Nf6 11.Nf3 (11.Qb3 Be7=) 11...Be7 12.Be2 Nc7 (12...c5 13.b5=) 13.Qb3 Ra1 14.Ba1 0–0 15.0–0 Ne6=+ 16.Bb2 Nf4 17.d3 Qc8 18.Ra1 Ng4 19.h3 Nf6 20.Bf1 N6h5 21.d4+= Ng2 22.Bg2+/– Nf4 23.Ne1 ed4 24.Nb1 Bh3 25.Qf3 Ng2 26.Ng2 c5 27.Nf4+= Be6 28.Nd5 Bd8 29.Nd2 f5 30.Qg3 Qd7 31.Ra7 Re8 32.bc5 dc5= 33.Qb3 Qf7 34.Rb7 Qg6 35.Qg3 Qg3 36.fg3 fe4 37.Nb3 Bd5 38.cd5 Be7 39.Ba3 d3 40.Kf2 Bg5 41.Bc5 e3 42.Ke1 Bf6 43.Bd4 Bd4 44.Nd4 Rf8 45.Ne6 d2 46.Ke2 Rf2 47.Ke3 d1Q 48.Rg7 Kh8 49.Kf2 Qd2 50.Kg1 Qd5 51.Re7 h5 52.Nf4 Qg5 ½–½. Woschkat,Karl_Heinz – Hank,Holger, HL015, 1999.

    6.Nc3 Nf6 7.Qa5 Qa5 8.ba5 Nc7 9.d4 e5 10.Nf3 ed4 11.Nd4 Ra5 12.e3 Be7 13.Be2 0–0 14.0–0 d5 15.Rfd1 dc4 16.Bc4 Rd8 17.Bd3 Ncd5 18.Nce2 Nb6 19.Rab1 Na4 20.Bc1 Nd5 21.Rd2 Ndc3 22.Nc3 Nc3 23.Rb3 Rc5 24.h3 Na2 25.Bb2 Nc1 26.Rb6 Nd3 27.Rd3 Rcd5 28.Rc3 Bc5 29.Rbb3 Bd4 30.ed4 Rd4 31.Rg3 Rd1 32.Kh2 g6 33.Rge3 Kf8 34.Bf6 R8d7 35.a4 R1d2 36.Kg3 R7d5 37.Re7 Rf5 38.Rc7 Rf6 39.Rc8 Kg7 40.f3 Rf5 41.Rc7 Rg5–/+ 42.Kf4 Rgg2 43.Rbb7 g5 44.Ke4 Rge2 45.Kf5 Rd5 46.Kg4 Rg2 (47.Kh5 Rf5–+) 0–1. Reuter,Alfred – Tomasouw,Izak, IECG, 2000.

    5.Qb3 ab4

    6.ab4 Ra1 7.Ba1 Na6 8.Bc3 Nf6 9.d3 g6 10.e3 Bg7 11.Nf3 0–0 12.Nbd2 Bd7 13.Be2 Ra8 14.0–0 Qd8 15.Ra1 Nc7 16.Ra5 b6 17.Ra3 Qb8 18.Qa2 Qb7 19.h3 Nfe8 20.Bg7 Ng7 21.Nd4 Ra3 22.Qa3 Qa6 23.Nc2 Qa3 24.Na3 f5 25.d4 e5 26.b5 cb5 27.Nb3 Nge6 0–1. Ferreiro – Corral Blanco, Oviedo 1993.

    6.ab4 Ra1 7.Ba1 e5 8.e3 Be6 9.Nf3 Nd7 10.Ng5 Bf5?? 11.c5!+– Nc5?? 12.Qf7 Demolishes the pawn shield 12...Kd8 13.Qf8 Kc7 14.Nf7 Qb4 15.Qd8# (15.Nh8 Qb1 16.Ke2 Bd3 17.Kf3 Qd1 18.Be2 A) 18...Qh1?! 19.Bd3 (19.Qg8 Be4 20.Kg4 Qg2 21.Kh4 Qf2 22.Kh5 Qe2 23.Kg5 h6 24.Kh4 Qh2 25.Kg4 Bf5 26.Kf5 Qh5) 19...Qa1 20.Qf7 Kb6 21.Qg8 Qd1 22.Kg3 Nd3 23.Qd8 Kb5 24.Nf7=; B) < 18...Be2 19.Kg3 Ne4 20.Kh3 Bg4 21.Kh4 g5#; C) 18...Qe2 19.Kg3 Ne4 20.Kh4 g5 21.Kh3 Qh5#) 1–0. Durez,Cedric (1610) – Bilquez,Romain, St Quentin op 5th, 2002.

    6.ab4 Ra1 7.Ba1 Bf5 8.d3 e5 9.e4 Bg4 10.Be2 Nf6 11.Nd2 Be7 12.Ngf3 Na6 13.Bc3 0–0 14.0–0 Re8 15.h3 Bh5 16.Re1 Bg6 17.Nh2 Nh5 18.Bh5 Bh5 19.g3 Nc7 20.Nhf3 Ne6 21.Kg2 Ra8 22.Ra1 Ra1 23.Ba1 h6 24.Qa4 f6 25.Qa8= Kf7 ½–½. Wantoch_Rekowski,Jacek – Sternik,Ryszard, corr or01–006 E–mail, 2001.

    6.Qb4 Qb4 7.ab4 Ra1 8.Ba1 =.

    6.Qb4 Qc7 7.e3 e5 8.d4 Nf6 9.Nd2 Be7 10.g3 0–0 11.Bg2 ed4 12.ed4 Re8 13.Ne2 Bf8 14.Qb3 Qe7 15.Qd3 Bf5!–+ 16.Qe3 Qe3 17.fe3 Re3 18.Rf1 Bd3 19.Bf3 Nbd7 20.Kf2 Rae8 21.Rfe1 d5 22.Nf1 R3e6 23.c5 b6 24.Nf4 Re1–+ 25.Re1 Re1 26.Ke1 Bb5 27.cb6–/+ Nb6 28.Nd2 Ne8 29.Kd1 Nd6–/+ 30.Kc2 Ba4 31.Kd3 Ndc4–+ 32.Kc3 Na3 33.Ba3 Ba3 34.Nd3 Bb5 35.Nc5 Na4 36.Na4 Ba4 37.Nb3 Kf8 38.Nc5 Bc5 39.dc5 Ke7 40.Kd4 Ke6 41.h4 h6 42.Bg4 Ke7 43.Bf3 g5 44.hg5 hg5 45.Bg4 f6 46.Bf5 Kd8 47.g4 Kc7 48.Kc3 Bb5 49.Kd4 Ba6 50.Be6? Bc8 51.Bf5 Bf5 52.gf5 Kb7 (53.Kd3 Kc8–+) 0–1. Kalchbauer,M – Biro,Karol, Slovan open, Bratislava, 1994.

    5.Qb3 e5

    6.e3 ab4 7.Qb4 Qb4 8.ab4 Ra1 9.Ba1 =+.

    6.e3 Be6 7.Nc3 Nd7 8.Na4 Qa6 9.Qc2 =.

    6.e3 Be6 7.d4 ed4 8.ed4 Nf6 9.Nf3 =.

    6.e3 g6 7.Nf3 (7.d4 a4 8.Qd3 Bg7+=) 7...Bg7 (7...ab4 8.Qb4 Qb4 9.ab4 Ra1 10.Ba1=) 8.Ng5 (8.c5 Qc7+=) 8...Nh6 9.Nc3 (9.Ne4 Nf5=) 9...0–0 10.Rc1 (10.Nge4 Nf5=) 10...Qd8 (10...ab4 11.Nge4=+) 11.Nge4= Kh8 (11...ab4 12.Qb4 Nf5 13.Rb1=+) 12.c5 (12.Be2 f5 13.Ng3 ab4 14.ab4 f4=) 12...d5 (12...ab4 13.Qb4 dc5 14.Qc5=+) 13.Nd6 Qc7 (13...b5 14.e4 ab4 15.ab4= (15.Qb4?? Na6 16.Qb3 Nc5–+)) 14.Nc8 (14.e4 d4 15.Nc8 dc3 (15...Qc8?! 16.Na4=; < 15...Rc8 16.Na4+=) 16.Qc3 ab4 17.Qb4 Qc8–+) 14...Rc8 15.Be2 Nd7 (15...ab4 16.Qb4 Na6 17.Qb6=+) 16.0–0 b5 (16...ab4 17.Qb4 Rcb8 18.e4=) 17.h3 (17.cb6 Qb6 18.Na4 Qd8=) 17...ab4 (17...Nf5 18.e4 Nd4 19.Qd1 ab4 20.ab4 de4 21.Ne4 Ne2 22.Qe2=) 18.ab4 Qd8 (18...Nf5 19.Ra1=) 19.f4 (19.e4 d4 20.Nd1 f5 21.ef5 Nf5=) 19...f6 (19...e4 20.d3 ed3 21.Bd3=) 20.Ra1 (20.fe5 fe5 21.Nd5 cd5 22.Qd5 Rcb8+=) 20...Ra1 21.Ra1 Ra8 22.Bb5 Ra1–/+ 23.Ba1 cb5 24.Qd5 Qe8 25.c6 Nb6 26.Qb5= Qd8 27.fe5 fe5 28.d3 Nf5+= 29.Ne4 Qc7= 30.Kf2 Ne7–/+ 31.Ng5 Qc6 32.Qc6=+ Nc6 33.b5 Nd8 34.Bc3 Nd5 35.Ba5 Nb7=+ 36.Bd2 Kg8 ½–½. Hoelldorfer,August – Baessler,Arwed, 8sen.BayEM Schney, 1996.

    6.Nf3 ab4 7.ab4 Ra1 8.Ba1 Na6 9.Bc3 Bf5 10.d3 d5 11.Nbd2 d4 12.c5 Qb5 13.Ba1 Be6 14.Qb1 Nb4 15.Ne5 Qa4 16.f4 Qa1 17.Qa1 Nc2 18.Kd1 Na1 19.Nec4 Bc5 20.Ne4 Bb4 21.Ncd6 Bd6 22.Nd6 Kd7 23.Ne4 Nb3 24.g3 Ne7 25.Kc2 f5 26.Ng5 Bd5 27.Rg1 h6 28.Nf3 Bf3 29.Kb3 Bd5 0–1. Gerold – Kretschmer, corr DDR–11ch prel 1981.

    6.Nf3 Nf6 7.d4 =.

    6.Nf3 Bg4 7.e3 Bf3 8.gf3 Nd7 9.Be2 Nc5=+ 10.Qc3 Ne6 11.0–0 Nf6 12.Kh1 Be7 13.d3 0–0 14.Nd2 Nd7 15.Rg1= d5 16.c5 Qb5 17.f4 d4 18.Qc4 Qc4 19.dc4 ab4 20.ab4 de3 21.fe3 ef4 22.ef4 Bf6 23.Bf6 Nf6 24.f5 Nf4 25.Bf3 Nd3 26.b5 Ra1 27.Ra1= cb5 28.cb5 Nc5 29.Ra7 Rb8 30.Nc4 Nfe4 31.b6 f6 32.Kg2 Kf7 33.Be4 Ne4 34.Kf3 Nc5 35.Ke3 Rd8–/+ 36.Na5 Rd7 37.Ra8 Rd3 38.Kf4 Ra3 39.Ra7= Ra4 40.Kf3 Ra3 41.Kf4 g5 42.fg6+/– Kg6 43.Nb7 Ne6 44.Ke4 Rb3 45.Ra6 Rb5 46.Kd3 Rb2 47.Kc3 Rh2 48.Nd6 Rh1? 49.Ra8 Nc5+= 50.Kc4 Nd7 51.Rg8 Kh5+= 52.b7 Rd1 53.Nb5 Ne5 54.Kc3 Nc6 55.Rg7 Rc1 56.Kd2 Rb1 57.Nd6 Na5 58.Rh7 Kg6 59.Rc7 Nb7 60.Nb7 Rb4 (60...f5 61.Nc5+=) ½–½. Zuse,Klaus Peter (2240) – Fritsch,Rolf (2215), BL2–S, 1994.

    5.Nc3! ab4

    6.Na4 Qc7 7.ab4 e5 8.d4 Nf6 =.

    6.Na4 Qc7 7.ab4 e5 8.e3 Be7 9.Nf3 Bf6 (9...Nf6 10.Be2=) 10.Nc3 (10.d4 Bf5=) 10...Ra1 11.Qa1 Bf5 12.Be2 Ne7 13.0–0 (13.d4 ed4 14.Nd4 Bd4 15.ed4 0–0=) 13...0–0 (13...e4 14.Nd4 Bd4 15.ed4=) 14.b5 (14.d4 Nd7=) 14...Nd7 15.Qa3 Nc5 16.Ra1 Ne6 (16...e4 17.Nd4=) 17.d3 d5 18.bc6 bc6 19.cd5 cd5 20.Nb5 Qb8 21.d4 e4 22.Ne5 Nd8 23.Qc5 Nb7 24.Qb6 Nc8 (24...Rc8 25.Ra7 Nd8 26.Qb8 Rb8 27.Nd7 Bd7 28.Rd7+=) 25.Qc7 Ncd6 26.Qb8 Rb8 27.Nc7 Be6 28.Bh5 (28.Ne6 fe6 29.Nc6 Rc8=) 28...Nd8 29.Ba3 Be5 30.de5 Nc4 31.h3 (31.Bd6 Rc8+=) 31...Na3 32.Ra3= g6 33.Be2 Nc6 34.Ne6 fe6 35.Bg4 Kf7 36.Ra6 Rc8 37.h4 Rc7 38.Kh2 h6 39.Kg3 Ke7 40.Kf4 Rc8 41.Rb6 Rc7 42.Bh3 Nd8 43.Rb8 Rc2 44.Kg3 Rc3 45.Rd8? Kd8–/+ 46.Be6 d4 47.Bf7 d3 48.Bg6 d2 49.Bh5 Rc1 50.Kf4 d1Q 51.Bd1–/+ Rd1 52.Ke4 Rd2 53.Kf3 h5 54.Kg3 Ke7 55.f4=+ Ke6 56.Kf3 Kf5 57.e4 Ke6 58.g4 Rd3 59.Ke2 Rh3 60.gh5 Rh4 61.Ke3 Rh5 62.Kd4 Rh3 63.f5 Ke7 64.e6 Ra3 65.e5? Rf3–+ 66.Ke4 Rf1 (67.Kd5 Rf5–+) 0–1. Geisensetter,Kurt – Kretschmer,Helmut, corr DDR–ch M729, 1983.

    6.Na4 Qc7 7.ab4= e5 8.e3 Nf6 9.d4 e4 10.d5 Be7 11.Ne2 0–0 12.Nd4 Bg4 13.Be2 Be2=+ 14.Ne2 cd5 (15.cd5 Qc4–/+) 0–1. Stoliar,Sergei Yefimovich – Belousenko,Artur, corr ICCF–Cup8 V096, 1990.

    6.Qb3 e5 7.e4 =+.

    6.Qb3 Be6 7.e3 (< 7.ab4 Ra1 8.Ba1 Qa6–/+) 7...c5 8.Nd5 Bd5 9.cd5 Nd7 10.ab4 Ra1 11.Ba1 Qb4 12.Qa2 Nb6 (12...f6!?=) 13.Bc3+/– Qe4 14.f3 Qg6 15.Qb3 (15.Qa5!? Qb1 16.Kf2 Kd7 17.Bb5 Kc7+/–) 15...Nd7+/– 16.Qb7 e5 17.Bb5 Ngf6 (17...Qb1 18.Ke2 Qb5 19.Qb5 Ngf6+–) 18.Qa8 (18.Qc8 Ke7 19.Ba5 Qb1 20.Kf2 Ne4 21.fe4 Kf6 22.Bd8 Kg6 23.Qd7 Qe4 24.Bd3 f6 25.Be4 Kh5 26.Qh3 Kg5 27.Nf3) 18...Ke7 19.Ba5 Qb1 20.Kf2 Ne4 21.fe4 Kf6 22.Qd8 Be7 23.Qh8 Nf8 24.Bc6 Qe4 (24...h6 25.Qg8 Qe4 26.Nf3+–) 25.Nf3 h6 26.Rc1 Qd3 27.Qg8 Qe4 28.Kg1 Kg6 29.Rf1 Nh7 30.Ne5! Qe5 31.Qf7 Kg5 If Black now only could play g6... 32.Be8 Nf6 33.Qg7 Kh4 34.g3 Kh3 35.Qh6 Qh5 36.Qh5 Nh5 37.Bd7# 1–0. Machete (2300) – Mithrandir (1995), ICC, 2003.

    6.Na4 Qa5=+

    7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 (10...Qa6 11.Nc8 Qa1 12.Ba1+/–; 10.Nc4? Rd1 11.Kd1 e5–+) 1–0. Trkn – CoolChessWiz, ICC, 2005.

    7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 Qb3 11.Nc8 Nf6 (11...e5 12.Nf3+–) 12.Nf3 (12.e3 Qe6 13.Nb6 d5+–) 12...Kd7?? (better is 12...e5+–) 13.Nd4 (13...Qc3 14.Nb6 Kc7 15.Na8 Kd7 16.dc3+–) 1–0. Sternik,Ryszard – Ciesla,Stefan, corr Poland, 1993.

    7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Qa1 Qe6 11.Nc8 Qc8 12.Bg7 Bg7 13.Qg7 Qf5 14.e3 Qf6 15.Qf6 Nf6 16.d4 Rg8 17.Nf3 Nbd7 18.Nh4 e6 19.Bd3 Ke7 20.Ke2 Ra8 21.Rc1 Nd5 22.Kf3 f5 23.Bc4 N7f6 24.h3 Kd7 25.g4 fg4 26.hg4 Rg8 27.Rg1 Rg5 28.Bd5 Nd5 29.e4 Nc3 30.Ke3 h5 31.f3 hg4 32.Kd3 gf3 33.Rg5 f2 34.Rg7 Ke8 35.Kc3 f1Q 36.Rg8 Kf7 37.Rh8 b5 38.Kd2 c5 39.dc5 dc5 40.Rh7 Kg8 41.Rh5 Qf4 42.Kd3 c4 43.Kc3 Qe4 44.Rb5 Qh4 45.Rc5 Kf7 0–1. marus1 – MEST, internet, 2001.

    7.ab4 Qb4 8.Bc3 Qc4 9.Nb6 Ra1 10.Nc4? Rd1 11.Kd1 Nf6 –+.

    7.ab4 Qc7 8.d3 e5 9.e3 d5 10.c5 Bf5 11.Nf3 Nd7 12.Be2 Ngf6 13.Nc3 Ra1 14.Qa1 Be7 15.Qa8 Bd8 16.0–0 0–0 17.Ra1 Be7 18.Qa7 Rc8 19.h3 e4 20.Nd4 Bg6 21.de4 Ne4 22.Ne4 Be4 23.Bg4 Bf6 24.Qa5 Bd3 25.Qc7 Rc7 26.Ra8 Nf8 27.Ne6 fe6 28.Be6 Rf7 29.Bf6 gf6 30.g4 Kg7 31.Bf7 Kf7 32.Ra7 Ba6 33.f4 Ne6 34.Kf2 Nc7 35.h4 Ke6 36.Kf3 Kd7 37.g5 fg5 38.hg5 Kc8 39.f5 Kb8 40.Ra6 ba6 41.Kg4 Kb7 42.Kh5 Nb5 43.g6 hg6 44.fg6 Nc7 45.g7 Ne8 46.g8N Nc7 47.Ne7 Nb5 48.Nf5 Na3 49.Nd4 Nc4 50.Nf5 a5 51.ba5 Na5 52.Nd4 Nc4 53.e4 Ne5 ½–½. Bonetti,Shane – compfirepower (2225), ICC, 2002.

    7.ab4 Qd8 8.Nf3 =.

    6.ab4 Ra1=+

    7.Qa1 Qb4 8.Nd1 Qc4?? 9.Bg7 e5 10.Bh8 +–.

    7.Qa1 Qb4 8.Nd1 Nf6 9.Bf6 gf6 10.Qa8 Bh6 11.e3+– 0–0 12.Qb8 Bg4 13.Qa7 Bd1 14.Kd1 Qb1 15.Ke2 d5 16.cd5 Qb5 17.d3 Qb2 18.Kf3 cd5 19.Ne2 Qb1 20.Ng3 e6 21.Qd4 f5 22.Nh5 Qd1 23.Be2 Qh1 24.Qf6 Qh2 25.Qh6 (25...Qe5 26.Nf6 Qf6 27.Qf6+–) 1–0. Mosley,Gene – Schmidt,Roland, DESC, 2005.

    7.Qa1 Qb4 8.e3 –+.

    7.Qa1 e5 8.Qa5 Nd7 9.e3 =.

    7.Qa1 e5 8.b5 Nd7 9.Nf3 Ngf6 10.e3 Be7 11.d4 0–0 12.Bd3 ed4 13.ed4 Re8 14.0–0 Nf8 15.d5 Ng6 16.Bg6 hg6 17.Re1 Bg4 18.Qd1 Qc5 19.dc6 bc6 20.h3 Bf3 21.Qf3 Qb4 22.Re2 d5 23.bc6 Qc4 24.c7 Qc7 25.Nd5 Nd5 26.Qd5 Rd8 27.Qb3 Bc5 28.Be5 ½–½. Woschkat/Angermann – Filipek, email ICCF, 2002.

    7.Qa1 Nf6 8.Qa8 Qc7 9.Nf3 e5 10.e3 Be7 11.Be2 Na6 (11...0–0 12.0–0=) 12.b5 cb5 (12...Nb4 13.Qa4 c5 14.Ba3+=) 13.Nb5 (13.cb5 Nc5+=) 13...Qd8 (13...Qd7 14.0–0=) 14.Na7 Bd7 15.Qb7 Nc5 16.Qb4 Nfe4 (16...d5!? 17.0–0 Na4+=) 17.0–0+/– Na4 18.Ba3 d5 (18...Nac5 19.d4 ed4 20.ed4+–) 19.Qe7+– Qe7 20.Be7 Ke7 21.Ne5 Ra8 22.Nd7 Ra7 23.Ne5 Rb7 (23...Kd6 24.d4 Nac3 25.Bd3+–) 24.d4 (24.cd5 Nd2 25.Rd1 Nc3+–) 24...f6 25.Nc6 Kd6 26.cd5 Kd5 27.Rc1 (27.Bd3 Nb2 28.Be4 Ke4+–) 27...Rb2 28.Bd3 Nec3 29.Na5 Ne2 (29...h5 30.Kf1+–) 30.Be2 Re2 31.h4 Ra2 (31...Nb2 32.Rc5 Kd6 33.Kf1+–) 32.Nb7 (32.Rc7 Nb2 33.Nb3 Nd1 34.Rg7 h6+–) 32...g6 33.Rc7 Ra1 34.Kh2 Ra2 35.Kg3 Nb2 (35...h5 36.Rd7 Ke6 37.Rg7+–) 36.Rc5 Ke4 37.d5 Ra7 38.Rb5 Nc4 39.d6 Ne5 (39...Rb7 40.Rb7 Nd6 41.Rh7+–) 40.Re5! Ke5 (40...Ke5 41.d7 Passed pawn; 40...fe5 41.d7 Passed pawn) 41.d7 Ra8 42.d8Q Rd8 43.Nd8 Kf5 (43...f5 44.Kf3+–) 44.h5! Ke5 (44...gh5 45.Kh4 Decoy) 45.Nc6 (45.Kg4 gh5 46.Kh5 Ke4+–) 45...Kd6 46.Nd4 Ke5 (46...Kd7 47.Kf4+–) 47.h6 Kd6 48.Kf4 Ke7 49.Ke4 Kd6 50.f4 Ke7 51.Kd5 Kd7 52.e4 Ke7 53.e5 fe5 54.fe5 Kd7 55.e6 Ke7 56.Ke5 Ke8 1–0. pvanr (2295) – garcia2102 (2045), gameknot.com, 2016.

    7.Qa1 Nf6 8.b5 Qc5 9.e3 cb5 10.Nb5 Nbd7 11.Nf3 e5 12.d4 ed4 13.Bd4 Qc6 14.Na7 Qc7 15.Nh4 d5 16.Qa4 Kd8 17.Nc8 Kc8 18.Be2 dc4 19.0–0 Bd6 20.Rc1 Bh2 21.Kh1 Ne4 22.g3 Bg3 23.Rc4 Ndc5 24.Bc5 Nc5 25.Qa8 1–0. Benassi,Aspasio – Gross,Gerald, b4/02/08, 2002.

    5.Nc3 Nd7

    6.b5 c5 7.g3 e6 8.Bg2 Qc7 9.Rb1 Rb8 10.b6 (10.Na4 Ngf6+=) 10...Nb6 11.Nb5 Qd8 12.Bc3 Ra8 13.d3 (13.d4 Nd7= (worse is 13...Nc4 14.Qa4 Bd7 15.Qc4+/–)) 13...Nf6 14.Qd2 Nbd7 15.a4 Be7 16.Nf3 0–0 17.0–0 Nb8 18.e4 e5 19.Nh4 g6 (19...Nc6 20.f4+=) 20.f4= Nc6 21.Nf3 Nd7 22.f5 (22.Bh3 Nb4=) 22...Ndb8 (22...Nb6 23.Qd1+=) 23.Bh3 Na6 24.Qh6 Bf6 25.fg6 fg6 26.Bc8 Rc8 27.Qh3 Qe7 28.Bd2 Nab4 29.Bh6 Rfd8 30.Nc3 Qd7 31.g4 Bg7 32.Bg7 Qg7= 33.Ng5 Rd7 34.Nd5 Nd5+= 35.cd5 Nd4–/+ 36.Ne6 Qe7 37.g5= Ne6?? 38.de6+– Qg5 39.Kh1 Rdc7 40.Rf7! h5 41.Rg1 Qh6 42.Rgf1 (42.Rgf1 Qg7 43.Rg7 Kg7 44.Rf7 Rf7 45.ef7+–; 42.Qf5 Rf7 43.ef7 Kg7 44.Qc8 Kf7 45.Rf1 Qf4 46.Qd7 Kg8 47.Rf4 ef4 48.Qd6+–) 1–0. Mamuzic,M (2255) – Juhasz,Las1 (2185), 11th Festival Open A, 2007.

    6.b5 e5 7.e3 =.

    6.b5 Ngf6 7.d4 g6 8.Nf3 Bg7 9.e4 e5 10.c5 dc5 11.de5 Nh5 12.Qd6 cb5 13.Bb5 Qd6 14.ed6 0–0 15.e5 Nf4 16.g3 Ne6 17.Nd5 Rd8 18.Rb1 b6 19.Ne7 Kh8 20.Nc8 Rac8 21.0–0 g5 22.h3 h5 23.Rfe1 c4 1–0. Eisenhertz – Zero, ICC, 1999.

    6.e3 e5 7.b5 Ngf6 8.d4 Qc7 9.Nf3 ed4 10.ed4 (worse is 10.Qd4 Nc5 11.Rd1 Be7=) 10...c5 11.d5 Ne5 12.Ne5 de5 13.Bd3 Bd6 14.h3 0–0 15.0–0 b6 16.Re1 Re8 17.Qf3 Bd7 18.g4 Re7 19.g5 e4 20.Ne4 Ne4 21.Re4 Re4 22.Qe4 Bh2?? (22...g6 23.Bf6 Bh3+–) 23.Kg2+– (23.Kg2 g6 24.d6+–) 1–0. AndyAndyO – AsceticKingK9, ChessWorld.net, 2014.

    6.e3 e5 7.b5 Ngf6 8.d4 Be7 9.Nf3 Qc7 (9...cb5 10.c5 dc5 11.de5+=) 10.Rc1 0–0 11.Be2 Re8 12.0–0 Bf8 13.de5 de5 14.e4 Nc5 15.Nd2 Ne6 16.Nf3 Nf4 17.Re1 Bc5 18.Na4 Rd8 19.Qc2 Bd4 20.b6 Qe7 21.c5 Bg4 22.Nd4 ed4 23.Bd3 Qe5 24.f3 Qh5 25.Qd2 Qg5= 26.Kh1 N6h5 27.Rcd1 Be6 28.Bc1 Bb3 29.Bc2 Bc2 30.Qc2 d3 31.Qd2 Qh4–/+ 32.Nc3? Ne2! (32...Ne2 33.h3 Qe7+=) 0–1. Fett,Helmut (1760) – Hart,Martin (2025), Nuremberg–ch op, 2005.

    6.e3 Ngf6 7.Nf3 g6 8.Be2 Bg7 9.Na4 Qc7 10.0–0 0–0 11.Qc2 b6 12.Rfc1 Rb8 13.Rab1 Re8 14.Bf6 (14.ba5 ba5 15.c5 d5+=) 14...Bf6 (14...Nf6 15.ba5 ba5 16.Rb8 Qb8 17.c5=) 15.ba5 ba5 16.Rb8 Qb8 17.Rb1 Qa7 (17...Qc7 18.Nc3=) 18.d4 Ba6 19.Nc3 Qc7 20.Ne4 Bg7 21.c5 Be2 22.Qe2 d5 23.Nc3 (23.Ned2 e5 24.Qa6 e4+/–) 23...Nc5 24.Nb5 (better is 24.Nd5!? cd5 25.Rc1=) 24...cb5–/+ 25.dc5 (25.Rc1 Qb7 26.Rc5 Rc8 27.Rc8 Qc8 28.Qb5 Qc1 29.Qf1 Qa3–/+) 25...b4 26.ab4 ab4 27.Rb4 Qc5 28.Qb5 Qc1 29.Qf1 Rc8 30.g3 Qa3 31.Rb1 e5 32.Qb5 Qd6 33.Qb7 Rf8 34.Rb6 Qd8 35.Rb4 Qf6 36.Qd5= ½–½. De Kruif,K (1950) – Goater,Kev (2135), Guernsey GCI, 2011.

    5.Nc3 e5

    6.Na4 Qc7 7.b5 Nf6 8.d4 Bf5 9.b6 Qe7 10.e3 Nbd7 11.Nf3 e4 12.Nd2 h5 13.Be2 h4 14.0–0 h3 15.g3 Qd8 16.d5 c5 17.Qc2 Qe7 18.Bf6 Nf6 19.Nc3 Bd7 20.Nce4 Ne4 21.Qe4 g6 22.Bg4 f5 23.Qe7 Ke7 24.Be2 Bg7 25.Ra2 g5 26.Bd3 a4 27.Nf3 Kf6 28.Re2 Rhe8 29.Nd2 Ra6 30.Rb1 Kf7 31.f4 g4 32.Kf2 Bc3 33.Bc2 Ba5 34.Ke1 Raa8 35.Kf2 ½–½. Lifshitz,Samuel (1830) – Hnatovsky,Nicholas (2260), CP–2003–F–00001, 2007.

    6.b5 Nf6 7.e3 Be7 8.Be2 0–0 9.Nf3 e4 10.Nd4 c5 11.Nf5?? Bf5–+ 12.Qc2 Nbd7 13.0–0 Ne5 14.Na4 Qc7 15.Be5 de5 16.h3 h6 17.Rfd1 Rfd8 18.Qc3 b6 19.Nb2 a4 20.Qc2 Qa7 21.d3 ed3 22.Bd3 e4 23.Be2 Bd6 24.Rd2 Qe7 25.Kf1 Rf8 26.Rad1 Bc7 27.Ke1 Qe5 28.Rc1 Be6 29.Qc3 Qh2 30.Bf1 Nh7 31.Qc2 f5 32.g3 Ng5 0–1. Van Esbroeck,Dirk – Kroes,Friso (2045), BI–2009–P–00010, 2009.

    6.b5 Nf6 7.e4 Nbd7 8.Nf3 Nc5 9.d4 ed4 (9...Nce4 10.Ne4 Ne4 11.Bd3=) 10.Qd4+= Be7 11.Be2 0–0 12.0–0 Bd8 13.Nd2 Re8 The pressure on e4 grows 14.Bf3 Bc7 15.Rfd1 Be6 16.h3 (16.Rab1 Rab8+=) 16...Qa7 17.Be2 Rad8 18.Qe3 Bf5 e4 seems the pivot of the position 19.Re1 Bg6 20.Bf1 Re6 21.Rad1 (21.Qg3 Rde8=+) 21...Rde8=+ e4 draws heavy fire 22.a4 Bb6 (22...Qb6 23.f3=+) 23.Qg3= Nh5 24.Qh4 Rf6 25.Nd5 cd5 26.Bf6 (26.ed5 Qb8 27.Re8 Qe8 28.Bf6 Nf6–+ (28...gf6?! 29.Ra1=+)) 26...Nf6–+ (26...gf6?! 27.ed5 Qb8 28.Ra1=) 27.ed5 Re1 28.Re1 Na4 29.g4 h6 30.Qg3 Nc5 31.Re2 (31.Qf3 a4–+) 31...a4 32.Qa3 Nd3 (33.Qd6 Bf2 34.Kh2 Bg1 35.Kh1 a3–+) 0–1. Reuter,Alfred – Riepe,Bernhard, DESC, 2000.

    6.e3 Nf6 7.Nf3 Bg4 8.Na4 Qc7 9.h3 Be6 10.Be2 Be7 11.0–0 0–0 12.d4 Nbd7 13.Qc2 e4 14.Nd2 ab4 15.ab4 d5 16.cd5 Nd5 17.Nc5 Bh3? (17...Nc5 18.bc5 f5 19.Bc4=) 18.gh3 (better is 18.Ra8!? Ra8 19.gh3 Ne3 20.Qe4 Nf1 21.Bf1+=) 18...Ne3+= 19.Qe4 Nf1 20.Rf1 Nf6 21.Qf3 Nd5 22.Rb1 b6 23.Nd3 Bb4 24.Nb4 Nb4 25.Ba3 Nc2 26.Bf8 Nd4 27.Qe4 Ne2 28.Qe2 Rf8 29.Ne4 Rd8 30.Qa6 Rb8 31.Kg2 h6 32.Rb3 Re8 33.f3 Rb8 34.h4 b5 35.Rc3 b4 36.Rc6 Qd8 37.Rc2 b3 38.Rd2 Qh4 39.Qd6 Rb5 40.Rb2 Qh5 41.Qd3 Qg6 42.Kf1 Rh5 43.Qb3 Rh1 44.Ke2 Qg2 45.Nf2 Ra1 46.Ra2 Qf1 47.Ke3 Qc1 48.Kd3 Qf1 49.Ke4 Qe1 50.Kd4 Rb1 51.Ra8 Kh7 52.Qc2 g6 53.Nd3 Rd1 54.Ra6 h5 55.Kc4 Qh4 56.Kc3 Qh1 57.Qe2 Qf1 58.Qe4 Qg2 59.Qe3 Qh3 60.Ra4 Qc8 61.Rc4 Qa8 62.Rb4 Qa1 63.Kc2 Rg1 64.Qe2 Qa2 65.Rb2 Qa7 66.Qe4 Rg2 67.Kb1 Rg1 68.Nc1 Qc7 69.Rc2 Qb6 70.Ka2 Rg5 71.Rb2 Ra5 72.Kb1 Qf6 73.Nd3 h4 74.Qc4 h3 75.Qg4 Rh5 76.Rh2 Qc3 77.Qe4 Kg8 78.f4 Rb5 79.Nb2 Rb8 80.Qe2 Qb3 81.Qf1 Kg7 82.Qe2 Rb7 83.Qf1 Qc3 84.Qe2 Qg3 85.Rh1 f6 86.Qe4 Qb3 87.Qd4 Qe6 88.Rh2 Rd7 89.Qc3 Qe4 90.Ka2 Ra7 91.Kb3 Qe7 92.Qd4 Qe6 93.Kc2 Rc7 94.Kb1 Qe1 95.Nd1 Qg3 96.Rc2 Qb3 97.Rb2 Qf3 98.Rh2 Qg4 99.Nb2 g5 100.Qb6 Qc8 101.Qe3 g4 102.Nd3 Qb7 103.Nb2 Qb5 104.Ka2 Qa5 105.Kb3 Qd5 106.Ka3 Qc5 107.Qc5 Rc5 108.Nd1 Kg6 109.Kb4 Rh5 110.Ne3 g3 111.Rh1 h2 112.Kb3 Rc5 113.Kb4 Rc8 114.Ng2 Kf5 115.Rf1 Kg4 116.f5 Re8 0–1. Luzuriaga,Norberto Horacio (1980) – Orlov,Vladimir (2195), SM–2009–0–00088, 2009.

    6.e3 Nf6 7.Nf3 Bg4 8.Be2 (8.Na4 Qd8=) 8...Be7 (8...ab4 9.Qb3=+) 9.0–0 Bf3 (9...ab4 10.Qb3=+) 10.Bf3+= ab4 11.Qb3 Na6 12.Na4 (12.ab4 0–0 13.b5 Nc5+=) 12...Qa5= 13.ab4 (13.Rfb1 0–0=) 13...Qb4 14.Qc2 Qa5 15.d4 ed4 16.Bd4 Qc7 17.Rfb1 0–0 18.Qf5 (18.Qb3 c5 19.Nb6 Ra7 20.Bf6 Bf6+–) 18...Nd7 19.Ra2 (19.Nb6 Nb6 20.Qg4 g6 21.Bb6 f5=) 19...Nac5 20.Nc5 dc5 21.Rab2 The backward pawn on b7 becomes a target 21...b5 22.cb5 cd4=+ 23.bc6 Ne5 24.Be4 g6–+ 25.Qf4 de3 26.fe3 Bc5 27.Rb5 Qe7 28.c7?! Rac8 29.Rd1 Nc4 30.Kh1 Qc7 31.Qf3 Nd6 32.Rbb1 Ne4 33.Qe4 Rfe8 34.Qg4 h5 35.Qa4 Be3 36.Rd7 Qc6 (37.Qd1 h4–+) 0–1. Schemm,Michael – Teplitsky,Yan (2460), Vancouver, 1998.

    6.Nf3 Nf6 7.b5 Be7 8.e3 0–0 9.Qc2 g6 10.Be2 Bf5 11.e4 Be6 12.d4 Nbd7 13.0–0 ed4 14.Na4 d3 15.Nb6 dc2 16.Na8 Ra8 17.Rac1 cb5 18.cb5 Ne4 19.Rc2 Bb3 20.Rcc1 Ndc5 21.Rfe1 a4 22.g3 Bf8 23.Nd4 Bh6 24.f4 (worse is 24.Nb3 ab3 25.Rb1 Bg7+=) 24...Bg7 25.Ba1 (25.Nb3 ab3 26.Bg7 Kg7–/+) 25...Bd5 26.Rcd1 Bb3 ½–½. pvanr (2075) – retireborn (2195), gameknot.com, 2012.

    6.e3 ab4

    7.Na4 Qa5 8.ab4 =.

    7.Na4 Qc7 8.ab4 Nf6 9.d4 d5 10.c5 e4 11.Nb6 Ra1 12.Qa1 Be7 (12...Be6 13.Na8 Qd8 14.Qa5=) 13.Na8 Qd8 14.Qa7 Nbd7 15.b5 (15.Qa5 0–0=) 15...Ng4 (15...0–0!?=+) 16.bc6= bc6 17.Nc7 Kf8 18.Be2 Nh6 19.Bc3 Nf6 20.Ba5 Qd7 21.Qb6 (21.Bb6 Nf5+=) 21...Ne8 (21...Bd8 22.Ne6 Qe6 23.Qd8 Qe8 24.Qc7+=) 22.Na6 Bb7 (22...Ba6 23.Ba6 Qg4 24.Bf1+=) 23.Nh3+/– Ba6 24.Ba6 g6 25.0–0 Kg7 26.Qb7 Nf6 27.Qd7 Nd7 28.Bb7 Nb8 29.Bc7 Ng4 30.Bb8 Rb8 31.Bc6 Nf6 32.Ra1 Rc8 33.Bb7 Rc7 34.Rb1 Bd8 35.g4 Ng4 36.Bd5 Nf6 37.Bb7 h6 38.Kg2 Kf8 39.Nf4 Rd7 40.Ne2 Re7 41.d5 Re5 42.Rc1 Nd5 43.Rd1 Ne3 44.fe3 Bc7 45.Rd5 Re7 46.h4 h5 47.c6 f5 48.Nf4 Kf7 49.Kf1 (49...Kf6 50.Ke2+–) 1–0. Grott,Peter – Riepe,Bernhard, DESC, 2000.

    7.Na4 Qc7 8.ab4 Nf6 9.Nf3 Bg4 (9...Nbd7 10.Be2=) 10.Be2 Nbd7 11.0–0 Bf3 (11...Be7 12.d4=) 12.Bf3 e4 (12...d5 13.c5=) 13.Be2+= Be7 (13...d5 14.c5+=) 14.d3 d5 15.cd5 cd5 16.de4 de4 17.Bb5 0–0 (17...Bb4?? 18.Bf6 gf6 19.Bd7 Ke7 20.Bf5+–) 18.Rc1 Qd8 19.Rc4 Nb8 20.Bf6 Bf6 21.Re4 (21.Qd8 Rd8 22.Nc5 b6 23.Ne4 Be5+/–) 21...Nc6+– 22.Nc5 Qb6 23.Bc4 Rfd8 (better is 23...Ne5 24.Bd5 Qb5 25.Bb7 Rab8+–) 24.Nd7 Qc7 25.Nf6 gf6 26.Qg4 Kh8 27.Qf5 Qd6 (27...Rg8 28.b5 Na5 29.Qf6 Rg7+–) 28.Rh4 (28...Qh2 29.Kh2 h6 30.Rh6 Kg7 31.Qf6 Kg8 32.Qf7#) 1–0. pcmvr (2100) – wizardofoz (2000), net–chess.com, 2006.

    7.Na4 Qd8 8.ab4 Be7 9.d4 =.

    7.Na4 Qd8 8.ab4 Nf6 9.d4 e4 10.d5 Be7 11.Ne2 b5 (11...cd5 12.cd5 0–0 13.Nac3 Ra1 14.Qa1=) 12.cb5 Nd5 13.Qd4 Nf6 (< 13...cb5 14.Qd5 Ra4 15.Bg7+/– (15.Qb5?! Bd7 16.Qd5 Bc6=)) 14.Nec3 Bf5 15.Be2 0–0 16.0–0 Re8 17.f3 Bd7 (17...ef3 18.Bf3 d5 19.Bd5 cd5 20.Rf5+/–) 18.b6 (18.fe4 cb5 19.Bb5 Bb5 20.Nb5 Nc6+=) 18...ef3 19.Bf3 Bc8 20.Rfd1 d5 21.e4 de4 22.Ne4 Qd4 23.Rd4 Nd5 Exerts pressure on the isolated pawn 24.Nec5 Bf6 25.b7 Bd4 26.Bd4 Bb7 27.Nb7 Nb4 28.Nbc5 Nc2 29.Rd1 Nd4 30.Rd4 Ra5 (30...Ra7 31.Kf2=) 31.Kf2 (31.Rd6 Rf8=) 31...Kf8 32.Nb7 Ra7 33.Nbc5 h6 (33...Ke7 34.Rg4 g6 35.Re4 Kd8 36.Re8 Ke8 37.Ke3=) 34.h4 Ke7 35.Ke3 ½–½. Bendig,Frank – Hanegby,Avigdor, IECG, 2000.

    5.Nc3 Nf6

    6.b5 e5 7.e3 Be7 8.d4 ed4 9.Na4 Qd8 10.Bd4 c5 11.Bb2 0–0 12.Nf3 b6 13.Qd2 Bb7 14.Bf6 Bf6 15.Rd1 Be7 16.Qc2 Nd7 17.Be2 Qc7 18.Nc3 Nf6 19.0–0 Rad8 20.Qf5 Qd7 21.Qd7 Rd7 22.Rd2 d5 23.Rfd1 d4 24.Na4 Rfd8 1–0. Myrberg – Woelfelschneider, email 4AMM–04 (adj) 1997.

    6.b5 e5 7.e4 Nbd7 8.Nf3 c5 (8...Nc5 9.Qc2=) 9.Be2+= Be7 10.0–0 Qd8 11.Ne1 0–0 12.d3 (12.f4 Nb6+=) 12...Re8= 13.Nc2 Nf8 14.f4 Ne6 15.fe5 de5 16.Nd5 Nd5 17.cd5 Nd4 18.Nd4 ed4 19.Bh5 g6 20.Bg4 Bd6 21.Bc8 Rc8 22.Qg4 Be5 23.Rac1 (23.Bc1 c4=) 23...Qd6 24.Qh3 Rc7 25.a4 f5 26.ef5 Qd5 27.Rf3 (27.Ba3 b6=) 27...Rf7 (27...Qb3!? 28.Rf2 Qa4=+) 28.Rcf1 Rf5 29.Rf5 gf5 30.Qf5 Qe6 31.Qh5 Qg6 32.Qf3 b6 33.Bc1 Qe6 34.Bd2 Qg6 35.Qd5 Kh8 ½–½. Bonetti,Shane – Haluschka,Rainer, T15–11 ETC, 2004.

    6.b5 e5 7.Nf3 =.

    6.b5 g6 7.e3 Bg7 8.Be2 Nbd7 9.Nf3 0–0 10.0–0 Nc5 11.d4 Nce4 12.Ne4 Ne4 13.a4 Be6 14.Bd3 f5 15.Qc2 Qd8 16.Rfc1 Qd7 17.Rab1 Bf6 18.Ba1 Rab8 19.Be4 fe4 20.Nd2 d5 21.bc6 bc6 22.Rb8 Rb8 23.Bc3 Qa7 24.cd5 cd5 25.Nb3 Bf7 26.Nc5 e6 27.Ba5 Qa5 28.Nd7 Rb4 29.Nf6 Kg7 30.Ng4 Rc4 31.Qb2 Qb4 32.Qb1 Qa4 33.h4 Rb4 34.Qc2 Qc2 35.Rc2 Rb7 36.Kh2 h6 37.Kg3 g5 38.Ne5 Bh5 39.Rc8 Ra7 40.Rb8 ½–½. Degterev,Pavel (2225) – Wittal,Werner (1955), CP–2009–Q–00018, 2011.

    6.b5 g6 7.Nf3 Bg7 8.e3 0–0 9.d4 Nbd7 10.Bd3 e5 11.0–0 Re8 12.Qc2 Qd8 13.Rfd1 Qe7 14.Bf1 e4 15.Nd2 Nb6 16.bc6 bc6 17.Rab1 Bf5 18.a4 Rab8 19.Ba3 Nbd7 20.Ne2 Nb6 21.Ng3 Bg4 22.Rdc1 c5 23.dc5 dc5 24.Rb5 Nbd7 25.h3 Be6 26.Ra5 h5 27.Rb5 Ra8 28.Qb3 Ra6 29.Nge4 Ne4 30.Ne4 Rc8 31.Rd1 Bf5 32.Bd3 h4 33.Rb7 Rca8 34.Nc3 Bd3 35.Rd3 Rd6 36.Rd6 Qd6 37.Nd5 Ne5 38.f4 Nc6 39.Rb6 Rc8 40.Qb5 Bf8 41.a5 Qd8 42.a6 Na7 43.Qb1 1–0. Uecker,Dieter (2390) – Poulheim,Dr. Karl_Friedrich (2330), corr WC35/pr02 ICCF, 2011.

    6.d4 ab4 7.Qb3 c5 (7...Qd4 8.Nd5 Qa7 9.Nc7 Kd8 10.Na8 Qa8 11.ab4+–) 8.dc5 dc5 9.Na4 Qa5 10.ab4 Qb4 11.Qb4 cb4 12.Nf3 Ra6 13.e3 e6 14.Nd4 Be7 15.c5 Ra8 16.Bb5 Bd7 17.0–0 0–0 18.Rfe1 Ra5 19.Bd7 Nfd7 20.Nb3 Ra6 21.Nb6? (better is 21.Kf1!?–/+) 21...Nc5–+ (21...Bc5 22.Nd7 Nd7 23.Ra6 ba6 24.Rd1+=) 22.Nc5 Rb6 23.Rac1 Bc5 24.Rc5 Nc6 25.Ra1 Rd8 26.Rg5 e5! 27.Be5 Ne5 28.Re5 f6 29.Rc5 b3 30.Kf1 b2 31.Rb1 Ra8 32.Rd5 Ra1 33.Rdd1 Rb1 34.Rb1 Kf7 35.Ke2 Ke6 36.Kd3 Kd5 37.g3? Rb3–+ 38.Kc2 Kc4 39.e4? Rc3–+ 40.Kd2?? Kb3 0–1. Rosario,J (1970) – Luch,M (2385), Tch–POR 1st Div Final, 2010.

    6.e3 ab4 7.Na4 Qc7 (7...Qd8 8.ab4 e5 9.Nf3=) 8.ab4 e5 9.Nf3 Be7 10.Be2 0–0 11.0–0 h6 (11...Bg4 12.d4 e4 13.Nd2 Be2 14.Qe2=) 12.b5 (12.d4 e4 13.Nd2 d5=) 12...cb5 13.cb5 Bf5 14.d4 Nbd7 15.Rc1 (15.de5 de5 16.b6 A) worse is 16...Nb6 A1) worse is 17.Ne5 Bc2 18.Rc1 Bd1 19.Rc7 Na4 (19...Be2?! 20.Nb6 Ra2 21.Rb1=) 20.Bd1 Bd6 (20...Nb2?! 21.Re7 Rfe8 22.Re8 Re8 23.f4=) 21.Ba4 Bc7–+; A2) 17.Be5 Qd8 18.Qd8 Bd8 19.Nc5+/–; B) 16...Qb8=) 15...Qb8 16.Nd2 Be6 17.Re1 Rc8 18.Rc8 Qc8 19.e4 ed4 (19...d5!?=) 20.Bd4+= Bd8 21.Bd3 (21.Bf3 Ba5 22.Be3 Bc4=) 21...Ba5 22.Bc2 Ne5 23.Nb6 Bb6 24.Bb6 Qc3 25.Nf1 Nh5 26.Be3 Rc8 27.Bb1 Nc4 28.Qe2 Ne3 29.Qe3 Qe5 30.Qa3 Nf4+= 31.Ng3 d5 32.Rd1 d4 33.b6 h5 34.Bd3 Rc3 35.Qa8+= Kh7 36.Bf1 d3 37.h4 Bb3 (37...Bb3 38.Rd2 Rc1–+) 0–1. Rooijen Van,Peter (1655) – Retamoza,Francisco (2240), BI–2007–P–00005, 2007.

    6.e3 e5 7.c5 Qc7 8.Na4 Nbd7 9.Qc2 ab4 10.ab4 Nd5 11.b5 Nc5 12.Nc5 Ra1 13.Ba1 dc5 14.bc6 Bd6 15.f4 Nb4 (worse is 15...bc6 16.fe5 Be5 17.Qe4=) 16.Qb1 Nc6 (worse is 16...bc6 17.Nf3=) 17.Nf3 0–0 18.Bc4 ½–½. Abdullayev,Rufat (1670) – Barthel,A (2205), Wien AUT, Tschaturanga Open, 2013.

    6.Nf3 ab4=+ 7.ab4 Ra1–/+ 8.Qa1 Qb4 9.e3 e5 10.Bd3 Be7 11.0–0 0–0 12.Rb1=+ Qb6 13.Bc2 Re8 14.d4=+ ed4 15.ed4 Qa6–/+ 16.Qa6 Na6 17.Ba3 Nc7 18.h3 Bf8 19.Bd3 Ne6 20.Bc1 g6 21.Be3 Bg7 22.Bc2 Kf8 23.Ra1 h6 24.Rd1 Ke7 25.d5 cd5 26.cd5 Nc7 27.Bb6 Na6 28.Bd4 Nh5 29.Bg7 Ng7–/+ 30.Re1 Kf8 31.Rb1 Nc5 32.Nb5 Rd8 33.Nd2 Ne8 34.Nc4 Attacks the isolani on d6 34...Bd7 35.Nbd6= Nd6 36.Nd6 Ba4 37.Ba4 The pawn on b7 gets attacked 37...Rd6 38.Bc2? Rd5–/+ 39.Rb5 g5 40.g3 Ke7 41.Kg2 Kd6 42.Rb6 ½–½. van Daatselaar,JB (2185) – van Unen,Hans (2370), KE05 NBC Email, 2002.

    6.b5 g6

    7.Na4 Qc7 +=.

    7.Rb1 Bg7= 8.Na4 Qc7 =.

    7.Rb1 Bg7 8.bc6 Qc6 9.Nd5 =.

    7.Rb1 Bg7= 8.bc6 Qc6 9.Nf3 0–0 10.d3 Na6 11.e4 Nc5 12.Nd4 Qd7 13.Ndb5 Re8 14.Be2 Ne6 15.Qd2 Nc7 16.0–0 Nb5 17.Nb5 e5 18.Bc3 Qd8 19.Qg5 Be6 20.Kh1 h6 21.Qg3 g5 22.Bd2 Qe7 23.Rb2 Red8 24.Rfb1 Rd7 25.Nc3 Rc7 26.Be3 Ra6 27.Kg1 Kh7 28.Bd1 Ne8 29.Bb6 Rc8 30.Nd5 Bd5 31.cd5 Rc3 32.Be3 Rc7 33.Qh3 Ra8 34.a4 Kg8+/– 35.Rb5 Nf6 36.Bb6 White terminates the opponent with strong threats 36...Rc3 37.Ba5 Ne4 38.Bc3 Nc3 39.Rb7 Qf8 40.Rc1 Nd1 41.Rd1 Ra4 42.Rdb1 Ra8 43.Qf5 Qe8 44.Rc1 (44...Ra2 45.Rcb1=). Woelfelschneider,Peter – Wittal,Werner, PCM–2003–G2 TSC, 2003.

    7.Rb1 Bg7 8.e4 0–0 9.Nf3 Nbd7 10.d4 c5 11.d5 Qd8 12.Bd3 e6 13.0–0 ed5 14.ed5 Ng4 15.Re1 Nge5 16.h3 Nf3 17.Qf3 Ne5 18.Qe2 Bh3? 19.gh3+– Qg5 20.Kh1 Rae8 21.Qe3 Qh4 22.Bf1 Nc4 23.Qe8+– Ne5 24.Qf8 Kf8+/– 25.Ne4 Nf3 26.Re3 Qf4 27.Bg7 Kg7 28.Ng3 Nd2 29.Rbe1 c4 30.Bg2+= Qf2 31.R1e2 (31.Ne4 Ne4 32.Re4 Qc5=) ½–½. Van Rooijen,Peter (1640) – Becker,Axel (2045), IECG, 2000.

    7.e4 Bg7 8.d4 0–0 =.

    7.Nf3 Bg7 8.e3 0–0 9.d4 Nbd7 10.Bd3 e5 11.0–0 Re8 12.Qc2 Qd8 13.Rfd1 Qe7 14.Bf1 e4 15.Nd2 Nb6 16.bc6 bc6 17.Rab1 Bf5 18.a4 Rab8 19.Ba3 Nbd7 20.Ne2 Nb6 21.Ng3 Bg4 22.Rdc1 c5 23.dc5 dc5 24.Rb5 Nbd7 25.h3 Be6 26.Ra5 h5 27.Rb5 (worse is 27.Nde4 Ne4 28.Ne4 Bf5+/–) 27...Ra8 28.Qb3 (28.Nge4?! Ne4 29.Qe4 Ra4+/–; 28.Nde4?! Ne4 29.Ne4 Bf5+=) 28...Ra6 29.Nge4 Ne4 30.Ne4 Rc8 31.Rd1 Bf5 32.Bd3 h4 33.Rb7 Rca8 34.Nc3 Bd3 35.Rd3 Rd6 36.Rd6 Qd6 37.Nd5 Ne5 38.f4 Nc6 39.Rb6 Rc8 40.Qb5 Bf8 41.a5 Qd8 42.a6 (42.Rc6?! Rc6 43.Bb2 Re6+/–; worse is 42.Bc5 Na7 43.Bf8 Nb5+–) 42...Na7 43.Qb1 1–0. Uecker,Dieter (2390) – Poulheim,Karl_Friedrich (2330), WC35/pr02 ICCF, 2011.

    7.Rb1 Qd8

    8.bc6 bc6 9.e4 Bg7 +=.

    8.e3 Bg7 9.d4 0–0 10.Nf3 d5 11.Bd3 cb5 12.Nb5 dc4 13.Bc4 Bf5 14.Bd3 Bd3 15.Qd3 Nbd7 16.0–0 Nc5 17.Qe2 Nce4 18.Ne5 Rc8 19.Rfc1 Qb6 20.a4 Qe6 21.f3 Nd6 22.Nc7 Qb3 23.Bc3 Qa4 24.Be1 Bh6 25.f4 b6 26.Rc2 Rc7 27.Rc7 Nd5 28.Rcc1 Bg7 29.Nc4 Nc4+= 30.Rc4 Qd7 31.Bd2 Ra8 32.e4 Nc7 33.d5+/– a4 34.Bc3 b5 35.Rc6 Bc3 36.Rc3 a3 37.Ra1 b4+= 38.Rb3 Ra4 39.Qc4 Na6 40.e5 Qa7= 41.Kh1 Nc5 42.Rb4 Nd3 43.Qd3 Rb4 44.h3 Rf4 45.Ra3 Qf2 46.Kh2 Rd4=+ 47.Qg3 Qg3 48.Kg3 Rd5 49.Kf4 Kg7 ½–½. Schulz,Hans_Juergen – Blankenberg,Bruno, TT–15.15 ETC, 2005.

    8.e4 Bg7 9.d4 0–0 10.Nf3 Nbd7 11.bc6 bc6 12.Be2 e5 13.0–0 Rb8 14.de5 Ne5 15.Na4 Rb2 16.Rb2 Ne4 17.Nd2 f5 18.Rb8 Qe7 19.Ne4 fe4 20.Nb6 Be6 21.Rf8 Bf8 22.Qd4 Bf5 ½–½. Echtwelzo – BlackPanther, playchess.de, 2004.

    8.Nf3 Bg7 +=.

    8.g3 Bg7 9.Bg2 0–0 10.Nf3 d5 11.bc6 bc6 12.0–0 Ba6 13.cd5+= cd5 14.d3 Nc6 15.Qa4 Rc8 16.Rfc1 e6 17.Nd1 Qd7+= 18.Bc3 h6 19.Ba5 Na5 20.Qa5 Rc1 21.Rc1 Qb5 22.Qb5+/– Bb5 23.Rb1 Bd7 24.Ne3 Ra8 25.Nc2 Bf8 26.d4 Ba4 27.Nfe1 Rc8 28.Nb4 Rc3 29.Ra1 Ne4 30.Ned3 Nd2 31.e3 Nc4 32.Nc5+= Bc5 33.dc5+/– Na5 34.Na6 ½–½. Yudasin,Leonid (2575) – Epishin,Vladimir (2550), New York op, 1990.

    5.d4 ab4

    6.Qb3 Qd8 7.ab4 Ra1 8.Ba1 Bf5 9.e3 Nd7 10.Nc3 e5 11.Nf3 Qa8 12.Bb2 Bg4 13.Be2 Bf3 (13...Ngf6!?+/–) 14.Bf3+– Be7 15.0–0 Ngf6 16.d5 (16.Ne4 Ne4 17.Be4 Nf6+/–) 16...Qc8 17.dc6 bc6 18.Qa4 c5 19.b5 0–0 20.Rb1 Nb6 21.Qb3 Qe6 22.Be2 Qf5 23.Ra1 Rd8 24.Ra7 Rd7 25.Ra6 Bd8 26.Ra1 Qg6 27.Qa3 h6 28.Rb1 Qf5 29.Qb3 Ra7 30.Ba1 Be7 31.Bf1 Ng4 32.Nd1 d5 33.cd5 c4 34.Qb2 Ba3 35.Qa2 Ra8 36.h3 Nf6 37.g4 Qg6–/+ 38.Nc3 Bc5 39.Qb2 h5 40.Bg2 hg4 41.hg4 Ng4 42.Qd2 Bb4 43.e4 Bc5 44.Nd1 Re8 45.Rc1 Nf6 46.Nc3 Nh5 47.Ne2 Qg4 48.Qc2 Qh4–+ 49.Rf1 Nf6 50.Bf3 g5 51.Bb2? Kg7 52.Qc3 Na4 53.Qc4 Ng4 54.Be5 Ne5 55.Qb3 Rh8 0–1. Bonetti,Shane – Tinker (2320), ICC, 2002.

    6.c5 dc5 7.dc5 Qc5?! 8.ab4 Qb4 9.Bc3 Ra1! 10.Bb4 Bf5 11.e4! Be4 12.Bd3 Bg2 13.Qg4! e6 14.Bf8 Kf8 15.Qg2 Nf6 16.Qg3 Nbd7 17.Qd6 Ke8 18.Nf3 1–0. Jung – Brinkmann, corr SOK–87–04.

    6.c5 dc5 7.dc5 Qc7 8.ab4 Ra1 9.Ba1 b6 10.Bd4 bc5–/+ 11.bc5 (11.Bc5 Na6–/+) 11...e5 12.Bc3 Bc5 13.Nf3 Nf6 14.e3 Nbd7 15.Qc2 Nd5 16.Bc4 0–0 (16...Nc3 17.Nc3 Nb6 18.Bb3+=) 17.Bd5 (17.0–0 Bd6–/+) 17...cd5 18.Ne5 Ne5 (18...Qe5 19.Be5) 19.Be5 Qe5 20.Qc5 Ba6 21.Qd4 Qf5 22.Na3? Rc8–+ 23.Qd2 Qe5 24.Nb1 Qa1 (24...Qa1 25.Qb4 Qa2–+) 0–1. Stabenow,Juergen – Geller,AG, corr ICCF EU/M/GT/067 (year?).

    6.c5 dc5 7.dc5 Qc7 8.ab4 Ra1 9.Ba1 b6 10.Nf3 bc5 11.bc5 Nd7 12.e3 Qa5 (12...e5 13.Qc2 f6 14.Bd3 g6 15.Nbd2 Nc5 16.Bc4 Ne7 17.0–0+=) 13.Bc3 (13.Nbd2 e6 14.Bc4 Ba6 15.0–0 Nc5 16.Ne5 Qc7 17.Bd4=) 13...Qc5 14.Be2 (14.Bd3 e5 15.0–0 Ngf6 16.Qc2 Nd5 17.Ne5=) 14...e5 15.Qb3 (15.0–0 Ngf6 16.Qc2 Bd6 17.Nbd2+=) 15...e4 16.Nfd2 Ngf6 (16...Qg5 17.0–0+=) 17.Bc4 (17.Qc2+=) 17...Qh5 18.Bf6 Nf6 19.Qb8 Kd7 20.Nc3 Qa5 21.0–0? (better is 21.Qb3!? Bb4 22.Ndb1+=) 21...Qc3–+ 22.Qa7 Kd8 (22...Ke8 23.Rd1 Bd6 24.Qf7 Kd8 25.Qg7 Nd5 26.Qg5 Be7–/+) 23.Rd1?? (better is 23.Qb6 Ke8 24.Qc6 Kd8 25.Qb6 Ke7 26.Qc5 Kd8 27.Qb6 Ke7 28.Qc5 Kd8 29.Qb6=) 23...Bd6–+ 24.Bf7 Bg4 25.Nf3 ef3 26.Rd6 Bd7 27.Rd1 Ke7 28.Bh5 fg2 (28...Nh5 29.Qd7 Kf6 30.h4+–) 29.Qc7 Rd8 (better is 29...Qc5 30.Bf3 Rd8–+) 30.Qd6# 1–0. Osmak,Iulija (1975) – Vasenina,A (1840), WY Girls–U12, 2010.

    6.c5 dc5 7.dc5 Qc7 8.ab4 Ra1 9.Ba1 Nf6 10.Nf3 g6 11.Be5 Qd7 12.Bb8 Qd1 13.Kd1 Bg7 14.Be5 0–0 15.Bf6 Bf6 16.e4 Bg4 17.Bc4 Ra8 18.Kc2 e5 19.Rd1 1–0. Kleinke,U – Wolniak, corr DDR–I–757, 1980.

    6.c5 Qc7

    7.ab4= Ra1

    8.Ba1 b6 9.cb6 Qb6 10.Qa4 Nf6 11.Qa5 Nd5 12.Qb6 Nb6 13.e3 Bf5 14.Nc3 e6 15.b5 Kd7 16.Nf3 Be7 17.bc6 Kc6 (17...Nc6!? 18.Bb5 Bf6=) 18.d5+= Kd7 (18...Nd5 19.e4 Double attack; 18...ed5 19.Nd4 Double attack) 19.Bb5 Kd8 20.de6 fe6 21.Nd4 Bf6 22.Nce2 N8d7 23.Ng3 d5 24.Ngf5 ef5 25.0–0 g6 26.Rc1 Ke7 27.Rc7 Ra8 28.Bc3 Kd8 29.Rc6 Bd4 30.Bd4 Nc8 31.h4 Rb8 32.Be2 Ne7 33.Re6 Rb1 34.Kh2 Rc1 35.Bb5 Rb1 36.Ba4 Nc8 37.h5! Rb4 (37...gh5 38.Rh6 Double attack) 38.Bc6 gh5 39.Kg3 h4 40.Kf3 h5 41.Bd5 Ne7 42.Ba2 Ra4 43.Bb1 Rb4 44.Bc2 Rc4 45.Bd3 Rc1 46.Bb5 Nc5 47.Rd6 Kc7 48.Be5 Kb7 49.Rh6 Ne4 50.Ba6 (50.Rh5 Rc5 51.Kf4 Nd5 52.Kf5 Nf2+/–) 50...Ka8 51.Bd3 Nc5 52.Bb2 Rd1 53.Be2 Rd5 54.Rh8 Kb7 55.Rh7 Rd7 56.Bb5 Nc6 57.Rh6 Rc7 58.Rh5 Kb6 59.Be2 Ne7 60.Bf6 1–0. Kocandrle,Jaroslav (2085) – Niewold,Jaap (1685), IECG, 2006.

    8.Ba1 Nf6 9.e3 Bg4 10.Qb3 dc5 11.bc5 e6 12.Be2 Be2 13.Ne2 Be7 14.h3 0–0 15.0–0 Nbd7 16.Ng3 Rb8 17.Nd2 e5 18.Nf3 ed4 19.ed4 Nd5 20.Re1 Nf8 21.Nf5 Ne6 22.Bc3 Bf6 23.Ne3 Nef4 ½–½. Berlacki – Drechsler, 1991.

    8.Ba1 Nf6 9.Nf3 g6 (9...b6 10.cd6 ed6 11.b5=) 10.e3 Bg7 11.Be2 Nd5 12.Qd2 0–0 13.0–0 b6 14.Rc1 Bf5 15.Nc3 (15.Nh4 Be4 16.Nc3 Nc3 17.Bc3 Bf6+=) 15...Nc3 (15...Nb4!? 16.Nb5 cb5 17.cb6 Qb6 18.Qb4 Bd7=) 16.Qc3 bc5 17.bc5 d5 18.Nd2 (18.Qe1 Bg4+=) 18...Nd7= 19.g4 Be6 20.f4 Nf6 21.g5 Nd7 22.Kg2 Bf5 23.Bd3 Bg4 24.h3= Be6 25.Qc2 Qc8 26.Rh1 f6 27.h4 fg5 28.hg5 Bf5 29.e4 Be4 30.Ne4+/– Rf4 31.Ng3 Nf8 32.Qe2 Ne6 33.Ba6 Qd7+= 34.Qe3 Rg4 35.Rf1 Rg5 36.Re1 Kf7 37.Bd3 h5 38.Kh2 Bf6 39.Bc3 Rg4=+ 40.Rf1 Ng5 41.Rf4?? Rf4–+ 42.Qf4 Qh3 43.Kg1 h4 (43...h4 44.Bf1 hg3 45.Qf6 Kf6 46.Bh3 Nh3 47.Kh1 Nf4–+) 0–1. Conquest,S – Langeweg,K, London, 1980.

    8.Ba1 e5

    9.Nd2 ed4 10.Bd4 dc5 11.bc5 Nd7 12.Qa1 Ngf6 (12...Nc5? 13.Bc5 Nf6 14.Bf8 Kf8 15.Ngf3+–; 12...Bc5?? 13.Bg7 b5 14.Bh8+–) 13.Qa3 Qd8 14.Ngf3 b6 15.Qe3 Be7 16.cb6 0–0 17.Qb3 Bb7 18.e3 c5 19.Ba1 Qa8 20.Bb2 Bd5 21.Bc4 Nb6 22.Bd5 Nbd5 23.0–0 Rb8 24.Qc2 Qa2 25.Rb1 Nb4 26.Qc3 Nbd5 27.Qc2 Nd7 28.Ne1 Rb5 29.Nd3 Nb4 30.Nb4 Rb4 31.Qc1 Bf6 32.Bf6 Qd2 (32...Nf6?? 33.Rb4 h6 34.Rc4+–) 33.Be7 (33.Qd2?? Rb1 34.Qd1 Rd1) 33...f6 34.h3 (34.Qd2?? Rb1 35.Qd1 Rd1) 34...Rb1 35.Qb1 Kf7 36.Bd8 c4 37.Qe4 Ne5 38.Qb7 Qd7 39.Qd7 Nd7 40.Kf1 Ke6 41.Ke2 Kd5 42.Ba5 Kc5 43.Bc3 Kb5 44.Kd2 Ka4 ½–½. Fernandez Fornes (2095) – Kuhn (1865), IECG, 2005.

    9.e3 ed4 10.ed4 Nf6 11.Nf3 Be7 12.Be2 0–0 13.0–0 Nbd7 (13...Nd5 14.Qd2=+) 14.Qc2 Nd5 15.b5 (15.Bc3 b5=) 15...cb5 16.Bb5 dc5 17.Bd7 (17.Rc1 b6=+) 17...Bd7–/+ 18.Nbd2 cd4 19.Qc7 (19.Qe4 Bc6 20.Re1 Re8 21.Qd4 f6–/+) 19...Nc7–+ 20.Bd4 b5 21.Rc1 Ne6 22.Be3 b4 23.Nb3 Ra8 24.Ra1 Ra1 25.Na1 Ba4 26.Nd2 Bf6 27.Ndb3? Ba1 28.Na1 b3 29.Nb3 Bb3 30.Kf1 Kf8 31.Ke2 Ke7 32.Kd3 Kd6 33.f4 Nc5 34.Bc5 Kc5 35.g4 Kd5 36.h4 g6 37.Ke3 h5 38.g5 Ke6 39.Kf2 Kf5 40.Kf3 Bd5 41.Kg3 Ke4 42.f5 Kf5 43.Kh3 Kf4 44.Kh2 Kg4 45.Kg1 Kh4 46.Kh2 0–1. Turcot,J – Brodie,H, Quebec, 1974.

    9.e3 ed4 10.Qd4 dc5 11.bc5 Nf6 12.Nd2 Be7 13.Bc3 0–0 14.Ngf3 Rd8 15.Qa4 Bc5 16.Bf6 gf6 17.Qh4 Qa5 18.Bc4 Bb4 19.0–0 Bd2 20.Qf6? Bc3–+ 21.Bf7 Kf8 22.Nd4 Bd4 23.ed4 Nd7 24.Qf4 Kg7 25.Be6 Nf6 26.d5 Be6 27.Qg5 Kf8 28.Qf6 Bf7 29.d6?? Kg8–+ 30.Rd1 Re8 31.h4 Re1 32.Re1 Qe1 33.Kh2 Qe6 34.Qg5 Kf8 35.Qd8 Be8 36.f4 Kf7 37.f5 Qd7 38.Qc7 Qc7 39.dc7 Bd7 40.g4 (40.Kg3 Bf5 41.Kf4–+) 0–1. Hecimovic,Ivan (2205) – Kozul,Zdenko (2595), Pula op, 2000.

    9.e3 Nf6 10.de5 de5 11.Nf3 Bg4? (11...Nbd7 12.Qb3 b5 13.Qb2+=) 12.Nbd2 (better is 12.Be5!? Qe5 13.Ne5 Bd1 14.Kd1+/–) 12...Nbd7+= 13.Qb3 Be7 14.Bc4 0–0 15.0–0 h6 16.Qb2 b6 17.cb6 Qb6+/– 18.Ne5 Ne5 19.Qe5 Qb4 20.h3 Bh5 21.Bc3+= Qc5 22.Qc5+/– Bc5 23.Bf6 gf6 24.Ne4 Be7+= 25.f4 Bg6 26.f5+/– Bh7 27.g4 Kg7 28.Rd1 Rd8 29.Rd4 h5 30.Kf2 hg4 31.hg4 Bg8 32.Rd8 Bd8 33.Ba6 Bc7 34.Bb7+– Be5 35.Bc6 Bb2 36.Ke2 Ba3 37.Kd2 Bb2 38.Bd5 Be5 39.Kc2 Bb8 40.Kd3 Bc7 41.Bb3 Bb8 42.Ke2 Be5 43.Kf3 Bb2 44.Kf2 Ba3 45.Nc3 Bb2 46.Nd5 Be5 47.Ke2 Bb2 48.Kd3 Be5 49.Ke4 Bh7 50.Nb6 Bg8 51.Bc4 Bb2 52.Nd5 Be5 53.Ne7 Bd6 54.Nc6 Ba3 55.Nd4 Kh6 56.Nf3 Bc5 57.Bb3 Bb6 58.Bd1 Bc5 59.Kd3 Bb6 60.Ke2 Bc5 61.Nd2 Bb6 62.Ne4 Kg7 63.Nd6 Kf8 64.Ba4 Bc7 65.Ne8 Be5 66.Kd3 Ke7 67.Ke4 Bb8 68.Bb5 Bh2 69.Kd5 Bb8 70.Ba4 Bh2 71.Ng7 Bg3 72.Nh5 Bh2 73.Ke4 Bb8 74.Nf4 Be5 75.Nd5 Kd6 76.Bb3 Bb2 77.Kd3 Kd7 78.Nb6 Ke8 79.Kc4 Ba1 80.Kd5 Bc3 81.Kc6 Be5 82.Nd5 Bb2 1–0. Lapshun,Yuri (2450) – Gonzalez Diaz,J (2235), VIII Open Sants ESP, 2006.

    9.de5 dc5 10.bc5 Bc5 11.e3 Be6 12.Nf3 Ne7 13.Bd3 Nd7 14.Qc2 (14.0–0 Ng6 15.Qc2 Bb4= (< 15...Nde5 16.Qc5 Nd3 17.Qa3+/–)) 14...Qa5 (14...Nd5 15.0–0=+ (15.Bh7? Qa5 16.Bc3 Nc3 17.Nc3 Rh7–+)) 15.Bc3= Bb4 16.0–0 (16.Bh7? Bc3 17.Qc3 Qc3 18.Nc3 Rh7–+) 16...Bc3 17.Qc3 (17.Nc3!? Bg4 18.e6 Be6 19.Nd4=) 17...Qc3=+ 18.Nc3 Kd8 (18...Bg4 19.Ra1 0–0 20.Ra7–/+) 19.Rb1 Kc7 20.Rc1 Kb8 21.Ng5 Ne5–/+ 22.Bh7 g6–+ 23.Nce4 Kc7 24.h4 b5 25.Ne6–/+ fe6 26.Ng5 Kb6 27.h5 gh5 28.Be4 Rh6 29.f4 Ng4 30.Nf7 Rf6 31.Ne5 Ne5 32.fe5 Rf8 33.Bf3 h4 34.Kh2 c5 35.Bg4 Nf5 36.e4 Nd4 37.Kh3 c4 38.Rd1 Kc5 39.Kh4 Rf4 40.Re1 b4 41.Kg5 Rg4! 42.Kg4 b3 43.Kg5 c3 44.Kf6 c2 (44...c2 45.Rc1 b2 46.Rc2 Nc2–+) 0–1. Lunin – Zakharov,V, Moscow, 1999.

    5.d4 Nd7

    6.Qa4 Ngf6 7.e3 e5 8.Nf3 Be7 9.Be2 0–0 10.0–0 ed4 11.Bd4 c5 12.Bb2 Ne5 13.Ne5 de5 14.Be5 Qe6 15.Bc3 Ng4 16.ba5 Bd6 17.Bg4 Qg4 18.Qd1 Qg6 19.Nd2 Re8 20.g3 Bf8 21.Re1 Ra6 22.e4 Rd6 23.Re3 Red8 24.Qc2 Bh3 25.Nf3 Qh5 26.Rb1 Be6 27.Ne1 Rd1 28.Rb7 Bc4 29.Kg2 Ba6 30.Rc7 Qg4 31.Qb3 R1d7 32.Rd7 Qd7 33.Nf3 Qc8 34.Ng5 c4 35.Qb2 h6 36.Nf3 Qc7 37.Re1 Rb8 38.Qd2 Rd8 39.Qc2 Qb7 40.Nd4 Bc5 41.Rd1 Ba3 42.Rb1 Qa8 43.f3 Bf8 44.Rd1 Qb7 45.h4 Qd7 46.Rd2 Qb7 47.h5 Kh7 48.Rd1 Qd7 49.e5 Kg8 50.e6 Qd5 51.Rd2 Qb7 52.Re2 Bc5 53.Re4 Bd4 54.Bd4 fe6 55.Bg7 Qb3 56.Qe2 Qd3 57.Bh6 Qe2 58.Re2 Rd6 59.g4 c3 60.Re5 Rc6 61.Bc1 Bc4 62.g5 Kg7 63.Kf2 Bd3 64.Re3 Rd6 65.a6! Ba6 66.Rc3 Bb5 67.Rc7 Rd7 68.Bb2 (68.Bb2 Kh7 69.g6 Kh6 70.Bc1 Kg7 71.Rc8+–) 1–0. Benassi,Aspasio (2125) – Silva Filho,Alcindo (2085), SA–2012–0–00269, 2012.

    6.Qc2 Ngf6 7.c5 Qc7 8.Nf3 d5 9.Nbd2 g6 10.e4 Bg7 11.e5 Nh5 12.g3 Nf8 13.Bg2 Bf5 14.Qc3 ab4 15.ab4 Ra1 16.Ba1 Bh6 17.0–0 Ne6 18.Bb2 0–0 19.Ra1 Qd7 20.Ra7 Nef4 21.Qa3 Ng2 22.Kg2 Bh3 23.Kg1 Nf4 24.Ra8 Qg4 25.Rf8 Kf8 26.Qe3 Bg2 27.Qe1 Bf3 28.Nf3 Qf3 29.gf4 Bf4 30.Qc3 Qd1 31.Kg2 Qg4 32.Kh1 Qh4 33.Kg2 Qh2 34.Kf1 Qh1 35.Ke2 Qe4 36.Kf1 h5 37.f3 Qb1 38.Kg2 Qd1 39.Kf2 Bd2 40.Qa3 Qe1 41.Kg2 Be3 0–1. Holz auf der Heide – Schober, Leipzig, 1996.

    6.c5 dc5–/+ 7.dc5 Nc5! 8.Nd2 (8.bc5 Qb5 Double attack) 8...Be6 (8...ab4 9.Nc4 Qd8 10.Qd8 Kd8 11.ab4 Ra1 12.Ba1–/+) 9.Ngf3 Nd7 (9...Rd8 10.Bd4 ab4 11.ab4 Qb4 12.Rb1=) 10.Nd4= Bg4 11.h3 (11.Nc4 Qc7=) 11...Bh5 12.Nc4 Qc7 13.Na5 e5 (13...Ngf6!?=) 14.Nf5+= Bg6 15.Nh4 Be4 16.e3 Nc5 (better is 16...Be7!? 17.Nc4 Ngf6+=) 17.Nc4+/– Nd7 18.Bd3 (18.Be2 Ngf6+/–) 18...Bd5 (18...Bd3 19.Qd3 b5 20.Na5+=) 19.e4+/– Be6 (19...Bc4 20.Bc4 Be7 21.Qf3+/–) 20.0–0 f6 (20...Ngf6 21.Qc2+/–) 21.Qe2 Ne7 22.f4 (better is 22.Rfd1+/–) 22...ef4 23.e5 fe5 (23...Bc4 24.Bc4 Ne5 25.Rad1 Nc4 26.Qc4=) 24.Ne5+/– Qb6 (24...0–0–0 25.Nc6 Nc6 26.Qe6+=) 25.Kh2 (better is 25.Kh1 Qe3 26.Qh5 Kd8 27.Rae1+–) 25...Ne5? (25...Qe3 26.Qh5 Kd8+/–) 26.Qe5+– Qe3 27.Rf4?? (better is 27.Be4 Qg3 28.Kg1 Qe3 29.Kh1+–) 27...Qe5+= 28.Be5 0–0–0 29.Be4 (29.Rd4 Nd5+=) 29...Nd5= 30.Rf2 Bd6 31.Bd6 Rd6 32.Raf1 Nf6 33.Bf5 Bd7 34.g4 Rd8 35.g5+/– Nd5 36.Bh7 Ne3 37.Re1 Rh8 38.Re3 Rh7 39.Nf5 Bf5 40.Rf5 g6 41.Rfe5 Kd7+= 42.Kg3 Rd1 43.Kg4 Rg1+= 44.Rg3 Rf1 45.Rd3+/– Kc7 46.Re6 Rg7 47.h4 Rg1 48.Rg3 Rh1 49.Rf3 Rg1 50.Kf4 Kd7 51.Rf6 Rh1 52.Kg3 Ke7 53.Re3 Kd7 54.Ree6 Rh7 55.Rd6 Kc7 56.Rd4 Rg1 57.Kf2+– Ra1 58.Rg6 Ra3 59.Rh6 Rh6 60.gh6 Ra8 61.Rg4 Kd6 62.Rg7 b5? 63.Ke3 Kd5? 64.h7 Rh8 65.Kd3 Ke5? 66.h5 Kd5 67.h6 Ke5 68.Ke3 Kd5 69.Kf4 c5 70.bc5 b4 71.Kg5 b3 72.Kg6 Kc6 73.Rf7 (73.Rf7 b2 74.Rf1+–) 1–0. Lorenc,Tomas (2095) – Pletanek,Jan (2220), CZE–ChT2B, 2011.

    6.Qd2 ab4 7.ab4 Ra1 8.Ba1 Qa6 9.Qc3 Ngf6 10.Nd2 c5 11.bc5 dc5 12.e3 e6 13.Ngf3 cd4 14.Nd4 (14.ed4 Bb4 15.Qb4 Qa1 16.Qb1 Qb1 17.Nb1 b6=) 14...Qa4= 15.Nc2 Nc5 16.Bd3 Be7 17.0–0 Nd3 18.Qd3 0–0 19.Rb1 Rd8 20.Qb3 Qd7 21.Nf3 Ne4 22.Ncd4 f6 23.Qc2 Nc5 24.Kf1 e5–/+ 25.Ne2 Qf5 26.Qc1 Be6–+ 27.Bd4 ed4 28.Nfd4 Qd3 29.Ne6 Ne6 30.Ke1 Ba3 (30...Ba3 31.g3 Bc1 32.Rc1 Ng5–+) 0–1. Lechelle,W (2020) – Amigues,E (2320), 34th Open, Fourmies FRA, 2010.

    6.Qd2 Ngf6 7.c5 Qc7 8.Nc3 (8.Nf3 ab4 9.ab4 Ra1 10.Ba1 b6=) 8...ab4 (8...e5 9.de5 Ne5 10.Qg5=+) 9.ab4= Ra1 10.Ba1 d5 (10...e5 11.e3=+) 11.Nf3= g6 (11...b6 12.e3=) 12.e3+= Bg7 13.Be2 0–0 14.0–0 Ne4 15.Qc2 Ndf6 16.Bd3 Bf5 17.Ne5 Nc3 18.Bf5 Nce4 19.Be4 Ne4 20.f4 Ra8=+ 21.Bb2 Nf6 22.Ra1 Qb8 23.Qb3 Ra1 24.Ba1 Qa8 25.Bb2 Qa6 26.Kf2 Ne4=+ 27.Ke1 Be5 28.de5 e6 29.g4 Qb5 (29...b5 30.g5=+) ½–½. Holz auf der Heide,Gerhard – Zaerban,Jan Christop (1755), Leipzig, 1995.

    4.c4 e6

    5.Qb3 ab4 6.ab4 c5?? (better is 6...Ra1 7.Ba1 d5= (7...Qb4?? 8.Qb4 Bb4 9.Bg7+–)) 7.Ra8+– cb4 (7...Qc7 8.bc5 Bc5 9.Bg7+–) 8.Rb8 Qc7 9.Rc8 (better is 9.Ra8 f6+–) 9...Qc8 10.Nf3 (10...Nf6 11.Bf6 gf6 12.e3+–) 1–0. Fischer,A – Plath, corr SOK–89–30, 1989.

    5.Qb3 d5 6.e3 Nf6 7.b5 a4 8.Qc2 dc4 9.Bc4 cb5 10.Bb5 Nc6 (10...Qb5!? 11.Qc8 Ke7 12.Bf6 gf6+=) 11.Nc3+= Now all is on a4 (11.Ba4? Ra4 12.Bf6 gf6 13.Qa4 Qb2–+) 11...Bd7 12.Ba4 (12.Nf3 Ne5 13.Bd7 Ned7 14.Na4 Qa6 15.Bf6 Nf6+=) 12...Ra5 (better is 12...Ne5!? 13.Bd7 Nfd7=) 13.Nf3+/– Bd6 14.0–0 0–0 15.Rfb1 Rfa8 16.Bc6 (16.Qd3 Be7+/–) 16...Bc6+= 17.Nd4 Qc7 18.h3 Rg5 (18...Ba3? 19.Ncb5 Qd7 20.Na3+– (20.Ba3?! Bb5 21.Nb5 Rb5=; 20.Ra3?! Bb5 21.Nb5 Ra3 22.Na3 Rc8+–)) 19.e4 Bc5 20.Qd3?? (better is 20.Nf3 Be4 21.Ne4 Bf2 22.Nf2 Qc2 23.Ng5 Qd2 24.Bf6 gf6 25.Nge4+/–) 20...Rd8 (better is 20...Qd7!? 21.Qe3 Rg6–+) 21.Qe3–/+ h6 22.Ncb5 Bb5 (22...Qb6 23.f4 Rg6–+) 23.Nb5+= Be3 24.Nc7 Rd2 25.fe3?? (better is 25.Bf6 Bf2 26.Kh1 gf6 27.Rb7+=) 25...Rgg2 26.Kh1 Rh2 27.Kg1 Rdg2 28.Kf1 Ne4 29.Be5 (29.Bc1 Ng3 30.Ke1 Rh1) 29…Nd2 (29...Nd2 30.Ke1 Rh1) 0–1. Stecyk,Jozef (1730) – Gawiec,Konrad (1925), 55 Ogolnopolski Turniej Szachowy Poland, 2013.

    5.Qb3 Nf6 6.Bf6 gf6 7.b5 d5 8.e3 Na6 (8...dc4 9.Qc4 Bd7 10.Nc3=) 9.d4+= dc4 10.Bc4 Nc7 11.Nc3 cb5 12.Bb5 Nb5 13.Qb5 Qb5 14.Nb5 Kd8 15.Ne2 Bd7 16.Nec3 Rg8 17.0–0 Rg5 18.a4 Bb4 19.Rfb1 Bc6 20.e4 Rc8 (20...f5 21.f3=) 21.f4 Rg4 22.g3 h5 23.Kg2 (better is 23.Rc1!?=) 23...f5–/+ 24.d5 Bd7 (24...Bb5 25.Nb5 Rc2 26.Kf3 fe4 27.Ke4 ed5 28.Kd5 Rh2 29.Rh1 Rd2 30.Ke4 Rg3 31.Rh5 Re2 32.Kf5–/+) 25.Rb3? (better is 25.de6 fe6 26.h3=+) 25...fe4–/+ 26.Ne4 Rc2 27.Kh3? (better is 27.Kh1 ed5 28.Nf6 Bb5 29.ab5–+) 27...Rg6–+ (27...ed5 28.Nf6 Bc8 29.Na7–+) 28.Nd4 e5 0–1. Ziehank – Fischer, corr, 1976.

    5.c5 Qc7 6.Nf3 Nf6 7.e3 ab4 8.ab4 Ra1 9.Ba1 d6 10.Bf6 gf6 11.d4 b6 12.Qc2 bc5 13.bc5 dc5 14.dc5 Qa5 15.Nfd2 Bc5 16.Bd3 Bd6 17.0–0 (17.Bh7? f5 18.Bf5 ef5–+) 17...Bd7 (better is 17...Qh5!? 18.Nf3 f5=+) 18.Nc4+= (18.Bh7?? Qh5 19.h3 Qh7–+) 18...Qc7 19.Nd6 Qd6 20.Nd2 (20.Bh7? f5–+) 20...f5 21.Nc4 Qc7 22.Qb2 0–0 23.Ne5 c5 24.Rc1 f6 25.Nd7 Nd7 26.Bc4 Kf7 27.Qb3 Re8 28.f4 Nb6 29.Bd3 Rc8 30.Bc4 Nc4 31.Qc4 Qa5 32.Qc3 (better is 32.e4 fe4 33.Qe4=) 32...Qc3–/+ 33.Rc3 c4 34.Kf2 Ke7 35.h3 Kd6 36.g4 fg4 37.hg4 Kc5 38.Ke2 Kb4 39.Rc1 c3 40.Kd3 Rd8 41.Kc2 (41.Ke2 Rd2 42.Kf3 c2–+) 41...Rd2 42.Kb1 Rb2 (42...Kb3 43.e4 Rb2 44.Ka1 c2 45.Rc2 Kc2 46.g5 Rb4 47.gf6 Ra4) 43.Ka1 Kb3 44.e4 (44.Rb1 f5 45.gf5 ef5 46.e4 fe4 47.Re1 Ra2 48.Kb1 c2 49.Kc1 Ra1 50.Kd2 Re1 51.Ke1 c1Q 52.Kf2 Qd2 53.Kg3–+) 44...c2 45.g5 (45.Rc2 Kc2 46.g5 Rb4 47.gf6 Ra4) 0–1. hal1958 – baraka, HCL–T104 playchess.de, 2003.

    5.c5 Qd8 6.e3 Nf6 7.Bf6 Qf6 8.Nf3?? Qa1 0–1. A Sikora – Baena de Moraes, corr 3GMM–56 1995–96.

    5.d4 ab4= 6.c5 Qc7 7.ab4 Ra1 8.Ba1 Na6 9.Qb3 d6 10.e3 Nf6 11.Nf3 Nd5 12.Ba6 ba6 13.Nc3 Qb7 14.Nd5 ed5 15.Nd2 (15.0–0 Be7=) 15...Qb5+= 16.f3 Be7 17.Kf2 0–0 18.Bb2 (18.Qc2 Re8+=) 18...Bd7 19.Ra1 Rb8 20.Ra5 Qb7 (worse is 20...Qb4 21.Qb4 Rb4 22.Ba3+/–) 21.Bc3 Rd8 (21...dc5 22.dc5 Qc7 23.g3+=) 22.Ra3 a5?? (better is 22...Re8+=) 23.ba5+– Qc7? (better is 23...Qa8 24.Bb4 dc5 25.Bc5 Bc5 26.dc5 Rb8+–) 24.Qa4?? (better is 24.Qb6 Qb8 25.Rb3+–) 24...dc5+= 25.dc5? (better is 25.Nf1+=) 25...Qh2–+ 26.Qf4?? (26.Qd4 Bh4 27.Ke2 Qg2 28.Kd1 Qg3–+) 26...Bh4 (better is 26...Qf4 27.ef4 Bc5 28.Bd4 Ba3–+) 27.Kf1 Qh1 28.Ke2 Re8?? 29.Kd3–/+ Be7 30.Rb3 Bc5 31.Rb8 Qh5 32.Re8= Be8 33.Qb8 Qf5 34.e4 Qd7–/+ 35.Ke2 h6 36.Bb4 Ba7 37.Qd6 c5 38.Qd7 Bd7 39.Ba3 Bb5 40.Kd1 d4 41.Kc1 c4–+ 42.Bb4 Bb8 43.Bc5 c3 44.Nb3 d3 45.Be3 Bc4 46.Nc5 Ba7 (46...Ba7 47.Nd3 Be3 (47...Bd3?! 48.Ba7 Bf1 49.g3=) 48.Kc2 Bd4–+) 0–1. Molano Lafuente,Ismael (2000) – Ortega Serra,Marc (2190), Santa Eulalia de Roncana ESP, 7th Open, 2013.

    5.d4 ab4 6.c5 Qc7 7.ab4 Ra1 8.Ba1 d5 9.Nf3 Nf6 10.e3 g6 (10...b6 11.Nc3=) 11.Bd3+= Bg7 12.0–0 0–0 13.Nc3 b5 14.Qd2 Na6 15.Bb2 Ne4? (better is 15...Qe7!?+=) 16.Ne4+– de4 17.Be4 f5 (17...Rd8 18.Qc3+–) 18.Bc2 Qe7 19.Ra1 Rd8 20.Bb3 g5 21.Qe1 g4 22.Ne5 Be5 23.de5 Rd3 24.Bd1 h5? (better is 24...Qh4 25.Bc2 Rd8+–) 25.Bd4 Rd1 (25...Qd8 26.Bc2 Rd4 27.ed4+–) 26.Rd1 (26.Qd1?! Nb4 27.Qb3 Na6+–) 26...Nc7 27.e4 h4 28.Bb2 (28.Be3 Bb7+–) 28...h3 29.Qd2 Nd5 (29...Kf7 30.Qd8 Qd8 31.Rd8 fe4 32.Rc8+–) 30.ed5 ed5 31.Qh6 Qe6 32.Qe6 (32.Qg5 Kf7+–) 32...Be6 33.gh3 gh3 34.f4 (34...Kf8 35.Rd3+–) 1–0. Berglund,Per – Thystrup,Preben, corr ICCF TT–2–86 Final, 1991.

    5.d4 d5 6.c5 Qc7 7.e3 (7.ba5 e5=) 7...b6 8.Nf3 Nf6 9.Be2 (9.Nc3 ab4 10.ab4 Ra1 11.Ba1 Be7=) 9...Be7 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.0–0 (10.Nc3 ab4 11.ab4 Ra1 12.Qa1 0–0=) 10...0–0 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.Nc3 Nbd7 (11...Ba6 12.cb6 Qb6 13.Na4=) 12.h3 (12.Qc2 Ba6=) 12...Re8 (12...Ba6 13.Ba6 Ra6 14.Qd3=+) 13.cb6 (13.Qc2 Ba6=) 13...Nb6 14.ba5 Ra5 15.a4 (15.Ne5 Ba6=) 15...Ba6=+ 16.Ba6 Ra6 17.Ba3 c5 (17...Ba3 18.Ra3 Nc4 19.Rb3=+) 18.Nb5 (18.dc5 Nc4=) 18...Qc8=+ 19.dc5 Na4 (19...Bc5 20.Bc5 Qc5 21.Qb3=+) 20.Nd6= Bd6 21.cd6 Nc3 22.Qd3 Nce4 23.Rfc1 Qa8 24.Bb2 Ra1 25.Ra1 Qd8=+ 26.Be5 Nd6–/+ 27.Ng5 Nde4 28.Ne4 Ne4 29.f3 Nd6 30.e4 Qb6 31.Kh1 f6 32.Bh2=+ d4 33.e5 Nf5 34.ef6 gf6 35.Rc1 Qb2 36.Bf4 Ng3 37.Kh2=+ Ne2?? 38.Rc7+– f5 1–0. Woschkat,Karl_Heinz – Blaszczak, corr 3GMM–59, 1997.

    5.e3 d5 6.c5 Qd8 7.f4 (7.Nf3 b6=) 7...b6 8.d4 (8.Qc2 ab4 9.ab4 Ra1 10.Ba1 bc5 11.bc5 Ba6=) 8...Ba6 9.Ba6 Ra6 10.Nf3 Nh6 (10...ab4 11.ab4 Ra1 12.Ba1=) 11.0–0= ab4 12.ab4 Ra1 13.Ba1 Be7 14.Nbd2 Qc8 (14...0–0 15.Qe2=) 15.Qa4 Qa6 (15...Qc7!?=) 16.Qa6+= Na6 17.Bc3 (17.cb6 Ng4 18.e4 Nf6+=) 17...bc5+= 18.bc5 f6 (18...Ng4 19.Ra1 Nc7 20.e4+=) 19.Ra1 Nc7 20.h3 (20.Ra7 Nb5 21.Ra8 Bd8+=) 20...Kd7 21.Ra7 Ra8 22.Ra8 Na8 23.Ba5 (23.e4 Nc7=) 23...Nf7= 24.Kf2 e5 25.f5 Kc8 (25...e4 26.Nh4=) 26.Nb3 Nc7 27.Bc3 Nb5 28.Bb2 e4=+ 29.Ng1 Bd8 30.Ne2 Bc7 31.Nf4 Bf4 32.ef4 Kb7 33.g4 Ka6 34.Bc1 Nc7 35.Bd2 Kb5 36.Ke3? h5–/+ 37.Na5 hg4–+ (38.hg4 Nh6–+) 0–1. Katzmann,Svend – Schneider, corr DDR, 1986.

    5.e3 d6 6.Qa4 Bd7 7.Nf3 e5 8.c5 dc5 9.Ne5 Nf6 10.Bc4 Be6 11.Be6 fe6 12.Qb3 +/–.

    5.e3 d6 6.b5 e5 =.

    5.e3 d6 6.Nc3 ab4 7.Na4 Qd8 8.ab4 =.

    5.e3 d6 6.Nc3 Nf6 7.Nf3 (7.Na4 Qd8=) 7...Be7 8.Be2 (8.d4 ab4 9.Na4 Qd8 10.ab4 d5=) 8...0–0 (8...ab4 9.Na4 Qc7 10.ab4=) 9.0–0 Na6 (9...ab4 10.Na4 Qc7 11.ab4=) 10.b5+= Nc5 11.d4 Nce4 12.Nd2 (12.Ne4 Ne4 13.Qd3 f5+=) 12...Nc3= 13.Bc3 cb5 14.cb5 Nd5 15.Bb2 a4 16.Rb1 Bd7 17.Ba1 Rfc8 18.Nc4 Qd8 19.e4 (19.Re1 Nb6 20.Nb6 Qb6=) 19...Nf4=+ 20.d5 ed5 21.ed5 Rc5 22.Ne3 Bf6 23.Rb4 (23.Bc4 Ba1 24.Ra1 Qg5–/+ (24...Bb5?! 25.Bb5 Rb5 26.Rb1 Rb1 27.Qb1=+)) 23...Rc1–/+ 24.Rf4 Rd1 25.Rd1 Ba1 26.Ra1 f5 27.Rc1=+ Qf6 28.Rc7 Qa1 29.Nf1 Qe5 30.Rf3 Qe2 31.Rd7 Qb5 32.Rd6 Rc8 33.g4 fg4 34.Rf4 Qc5 35.Rd7 Rf8 36.Rf8 Kf8 37.Rb7 Qd5 38.Rb4 Qd1 39.Re4 h5 40.Re3 Kf7 41.f3 gf3 42.Kf2 g5 43.Rf3 Ke6 44.Re3 Kd5 45.h3 Kd4 46.Ng3 Qc2 47.Re2 Qd3 (48.Re4 Kd5–+; 47...Qc5 48.Re3–+) 0–1. Fischbach,R – Muller,W, corr Leipzig, 1993.

    5.e3 Nf6 6.Qa4 Be7 7.Nf3 d6 8.d4 Bd7 (8...0–0 9.Bd3+=) 9.c5 Qc7 10.Bd3 b5 11.cb6 Qb6 12.0–0 c5 (12...Qb7 13.Nc3+=) 13.dc5+/– dc5 14.b5 0–0 15.Nc3 Rc8 16.Rab1 Na6 (16...Ra7!?+/–) 17.Qh4+– Nc7 (better is 17...c4 18.Na4 Qd6+–) 18.Na4 Qb8 (18...Qd6 19.Rfd1 h6 20.Bh7 Nh7 21.Rd6 Bh4 22.Rd7+– (22.Nh4?! Nf8 23.b6 Ba4+=)) 19.Bf6 Bf6 20.Qh7 Kf8 21.Nc5 Ke7 22.Nd7 Kd7 23.b6 Rh8 24.bc7 Qc7 (24...Qb1 25.Rb1 (< 25.Bb1 Rh7 26.Bh7 g6+–) 25...Rh7 26.Bh7+–) 25.Qe4 Rab8 26.Rfc1 Bc3 (26...Rb1 27.Rb1 Ke8+–) 27.Bc4 Rb1 28.Rb1 (28...Rb8 29.Qd3 Ke7 30.Rb8 (30.Qc3?! Rb1 31.Ne1 Re1 32.Qe1 Qc4+=) 30...Qb8 31.Qc3+–; < 28.Qb1 Qc4 29.Ne5 Be5 30.Rc4 Bh2 31.Kf1 Rb8+–) 1–0. woschkat (2285) – jupiter (2200), net–chess.com, 2001.

    5.c5 Bc5

    6.bc5 Qb2 7.Nc3 a4 8.e3 Qb3? 9.Qc1+– e5 10.Ne4 Qd5 (10...b5 11.cb6! Qd5 12.f3+–) 11.Nd6 Kd8 12.e4 Qe6 13.Bc4 Qg6 (13...Qe7 14.Nf7 Kc7 15.Nh8+–) 14.Nf7 Ke8 (14...Kc7 15.Kf1 Qe4 16.Nh8+–) 15.Ne2 (15.Kf1 Nh6 16.Nh8 Qf6+–) 15...Nh6 (15...Nf6 16.Nh8 Qg2 17.Rg1 Qh2 18.d3+–) 16.Nh8 Na6 1–0. deepthough (2190) – arbab (1910), gameknot.com, 2015.

    6.bc5 Qb2 7.Nc3 a4 8.e3 b5 9.Ra2 (9.cb6 Qb6 10.Qg4 g6+=) 9...Qb3 10.Qg4 Kf8 11.Nf3 e5 (11...Nf6 12.Qh4 e5 13.Ne5+=) 12.Qe4 Qe6 13.Qe5 Nf6 14.Rb2 Qe5 15.Ne5 Ne8 16.d4 f6 17.Nd3 d5 (17...Kf7 18.d5+/–) 18.Nb4 (18.Nf4 Nc7+/–) 18...f5 (18...Nc7 19.Bd3+/–) 19.Bb5 cb5 20.Nbd5 (< 20.Nb5 Bb7=) 20...Ra5 (20...Bd7 21.Nb5 Kf7 22.Nb6+/–) 21.Nb5 Nc6 22.Kd2 Ne7 (22...Be6 23.Ndc3+/–) 23.Ndc3+– Be6 24.f3 Bb3 (24...Nf6 25.e4+–) 25.e4 Nf6 26.Kd3 g6 27.Re1 fe4 28.fe4 Kg7 29.Nd6 Rb8 30.Reb1 Nc6 31.Nc4 White fights for the Initiative 31...Ra7 32.d5 Rd8 33.Nd6 Ne5 34.Kd4 Re7 35.Re2 Ne8 36.Ncb5 Ng4 37.Ne8 Rde8 38.Nd6 Rd8 39.h3 Nf6 40.Rbb2 Rf8 41.c6 h6 42.Re3 Rd8 43.Nb7 Rde8 44.d6 Re4 45.Re4 Re4 46.Kc5 Be6 47.Rd2 (47...Re5 48.Kb6+–) 1–0. Woelfelschneider,Peter – Kagel,Fred, HFK–025.01 TSC, 2002.

    6.bc5 Qb2 7.Nc3 a4 8.Ne4 Nf6 9.Nd6 Ke7 +=.

    6.e3 Kf8?? 7.Bg7 (7.bc5 Qc5 8.Qg4+–) 7...Kg7= 8.bc5 Qc5 9.Nf3 (9.d4 Qg5=) 9...d5 10.g3 (10.d4 Qe7=) 10...Nf6+= 11.Bg2 Nbd7 12.0–0 Kf8 13.d4 Qd6 14.Nbd2 b6 15.Qc2 Bb7 16.e4 de4 17.Ne4 Ne4 18.Qe4 Nf6 19.Qe5 Qe5 20.Ne5 Rc8 21.a4 Nd5 22.Rfc1 f6 23.Bd5 cd5+= 24.Nd7 Ke7 25.Nb6 Rc1 26.Rc1 Kd6 27.f4 Rb8 28.Rc5 Bc6 29.Nd5 ed5 30.Ra5 Rb4 31.Ra7 Rd4 32.Rh7 Ra4 33.Rh6 Ke6 34.Kf2 d4 35.Ke2 Ra3 36.Kd2 d3 37.h4 Be4 38.Rh8 Ra2 39.Ke3 Re2 40.Kd4 d2 0–1. Hal1958 – Cabe, playchess.de, 2004.

    6.e3 Bf8!? +=.

    6.Bg7 Bf2# 0–1. Brichinova – Alexandrova, Pernik 1979.

    5.d4 d6

    6.Qa4 Nf6 7.e3 d5 8.c5 Qa7 9.Qb3 b6 10.Bd3 b5 11.a4 ba4 12.Qa4 Ba6 (12...Qb7 13.Bc3+/–) 13.Ba6+/– Qa6 14.ba5 (14.Qa5!? Be7 15.Nf3 Qa5 16.ba5+=) 14...Be7 15.Nd2 0–0 (15...Nbd7 16.Qd1=) 16.Ne2 (16.Qd1 Re8+=) 16...Nbd7= 17.Qc2 Ra7 (17...Bd8 18.Bc3=) 18.f3 (18.Nf3 Rb7+=) 18...Bd8 (18...Rb8 19.e4=) 19.Bc3 (19.e4 Rb7+=) 19...Bc7 20.g4 (20.e4 e5=) 20...e5 (20...Rb8 21.g5 Ne8 22.f4+=) 21.g5 (21.Qf5 g6 22.Qc2 ed4 23.Bd4 Ne5=) 21...ed4 22.Bd4 (< 22.gf6 dc3 23.Nb3 Nf6 24.Qc3 Re8–/+) 22...Nh5 23.Qf5 (23.Kf2 Ne5+= (23...Ba5? 24.Nb3+–)) 23...g6 (23...Ne5 24.Ra3 Re8 25.Kf2+=) 24.Qg4 Ne5 25.Be5 Be5 26.Ra2 Qb5 27.Qa4 Qc5 28.Kf2 Qd6 29.Nb3 (29.Rc1 Bg7 30.Nf1 Rc8=+) 29...c5 (29...Rb8 30.f4 Rb4 31.fe5 Ra4 32.ed6 Ra2 33.Rc1=) 30.Qa3 (30.f4 Bh8=) 30...Rc8 31.Rc2 c4 32.Qd6 Bd6 33.Nbd4 Ra5 34.h4 f5 35.Rb1 (35.Rd1 Be5–/+) 35...f4 36.e4 Ng3 37.ed5 Rd5 38.Rbc1 Bc5 39.Rc4 (39.Kg2 Rd4 (39...Bd4?! 40.Nf4 Rdd8 41.Kg3=+) 40.Nd4 Bd4 41.Rc4 Rc4 42.Rc4 Nf5 43.Rc8 Kf7 44.Rc7 Ke6–+) 39...Ne2 40.Rc5 (40.Ke2?? Re8 41.Ne6 Re6 42.Re4 Kf7–+) 40...Rdc5 (40...Rcc5 41.Rc5) 41.Rc5 Rc5 42.Ke2 (42.Ne2 Rc2–+) 42...h6 43.Kd3 hg5 44.hg5 Re5 45.Nc6 Rg5 46.Ke4 Rc5 47.Nd8 (47.Ne5 g5–+) 47...g5 48.Ne6 (48.Nb7 Rd5! 49.Kd5 g4 50.fg4 f3–+) 48...Ra5 49.Nd4 (49.Nd8 Ra6–+) 49...Kf7 50.Nb3 Ra3 51.Nd4 (51.Nd2 Ke6 52.Nf1–+) 51...Ra4 52.Ke5 (52.Kd3 Rd4 53.Ke2–+) 52...Rd4 53.Kd4 Kg6 54.Kd3 Kh5 55.Ke4 Kh4 56.Kd3 Kg3 57.Ke4 Kg2 (58.Kf5 Kf3 59.Kg5 Ke4–+) 0–1. Andersson – Woelfelschneider,Peter, corr SOK–96–119, 1998.

    6.e3 ab4 7.ab4 Ra1 8.Ba1 Qb4 9.Bc3 Qb6 10.Nf3 d5 11.Nbd2 Nd7 12.c5 Qa7 13.Qa1 Qa1 14.Ba1 e5 15.g3 e4 16.Ng1 Be7 17.Bh3 Ngf6 18.Ngf3 ef3 19.Nf3 0–0 20.Bf1 b6 21.cb6 Bb4 22.Kd1 Ne4 0–1. player27 – Yogibear, playchess.de, 2001.

    6.e3 Nd7 7.b5 Ngf6 8.Bd3 Be7 9.Nf3 c5 10.0–0 d5 11.Nc3 Bd6 12.Qc2 e5 13.Nd5 Nd5 14.cd5 cd4 15.ed4 f6 16.de5 1–0. Kucharkowski,Jens – Hanke,Goeran, corr DDR/I/177, 1982.

    5.e3 ab4

    6.ab4 Ra1=+ 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 d5 10.cd5 ed5 11.Be2 Nf6 12.0–0 Be7 13.Qc2 Be6 14.Na3?? (better is 14.Ng5=+) 14...Ba3–+ 15.Rb1 Qc7 (15...Qa7 16.Qb3 b5 17.Bf6 gf6 18.Ra1–+) 16.Qa4 (16.Be5 Bd6 17.Bd6 Qd6 18.Rb7 c5–+) 16...Bd6 17.Bf6 gf6 18.Bd3 (18.Qb3 Bf5 19.Rb2 b5–+) 18...Ke7 (18...b5 19.Qd4–+) 19.Qa8 (19.Bc2 Nd7–+) 19...b5 20.Ra1 Bd7 (better is 20...Bg4 21.Ra7 Nd7 22.Qh8 Qa7 23.Qh7 Bf3 24.gf3 Qa5–+) 21.Bf5 Bc5 22.Bd7 Qd7 23.d4 Bb6 24.g3 Rc8 25.Qa3 Qd6 26.Qd3 Qe6 27.Rc1 Rc7 28.Qh7 Qe4 29.Qh5 b4 30.Nd2 Qd3 31.Nf1 b3 (32.Qh8 b2–+) 0–1. Hasler,Ulrich – Dommaschk,J, corr, 1991.

    6.ab4 Ra1+= 7.Ba1 Qb4 8.Bc3 Qb6 9.Nf3 Nf6 10.Be2 Be7 11.0–0 0–0 12.d3 d5 13.cd5 ed5 14.Bd4 c5 15.Bf6 Bf6 (15...gf6?! 16.Nc3 Qe6 17.d4=) 16.d4 cd4 17.Nd4 Nc6 18.Nc6 bc6 19.Nd2 Ba6 20.Ba6 Qa6 21.e4 d4 22.Re1 c5 23.Qc1 Bg5 24.Rd1 c4?? (24...Qe2 25.g3–+) 25.Qb1?? (better is 25.Qc4 Qc4 26.Nc4=) 25...Bd2 26.Rd2 d3 27.g3 (27.Qc1 Re8–+) 27...Rd8 28.Qc2 (28.Rd1 Qa8–+) 28...Qc6 (28...Qa1!? 29.Kg2 Qd4 30.Qc1–+) 29.f3 (29.e5–+) 29…Qb6 0–1. Valpa – Whiterock, playchess.de, 2002.

    6.ab4 Ra1 7.Ba1 Qb4 8.Nf3 d6 9.Be2 Nf6 10.0–0 Qc5 11.d4 Qf5 12.h3 h5 (12...Be7!?+=) 13.Nc3 Nbd7 14.d5 ed5 15.cd5 (15.Nd4 Qe5 16.Nf3 Qe7 17.cd5 Nb6 18.dc6 bc6=) 15...Nd5+= 16.Nd5 Qd5 (16...cd5 17.Bd3 Qe6 18.Nd4+/–) 17.Qc2 (17.Qd5 cd5 18.Rd1 Nc5+=) 17...Ne5 18.Ne5 de5 19.Rd1 Qe6 20.Bc4 Qf6 (20...Qf5 21.e4 Qf6 22.Rd3–/+) 21.Qd3 b5 22.Bb3 Be6?? 23.Be6+– Bd6 24.Qd6 fe6 25.Qc6 Kf7 26.Rd7 Kg6 27.Rd6 Rb8 28.Re6 Kf7 29.Rf6 gf6 30.Qd5 Ke7 31.Qc5 Ke6 32.Bc3 Kf5 33.f3 h4 34.e4 Kg5 35.Bb4 Rb7 36.Qc6 Rb8 37.Be7 Kh5 38.Qf6 Rg8 39.Qh4 Kg6+– 40.Qg5 Kh7 41.Qe5 Rg7 42.Bf6 Rg6 1–0. Fournier,Frederic – Polemeo, ICC, 2005.

    6.c5! Qc5? 7.ab4.

    6.c5 Bc5? 7.ab4 Ra1 8.Ba1 Qb4 9.Bg7.

    6.c5 Bc5?? 7.Bg7+– (7...ba3 8.Bh8+–) 1–0. Trkn – guest6130, ICC, 2004.

    6.c5 Qc7

    7.ab4 Ra1

    8.Ba1 d6 9.Nf3 =.

    8.Ba1 Nf6

    9.Nf3 b6 10.d4 Na6 11.Qa4 b5 12.Qb3 Be7 (12...d6 13.Bd3=) 13.Bd3+= Nd5 14.Bc3 f5 (14...d6 15.0–0=) 15.0–0 0–0 16.Nbd2 Nc3 17.Qc3 d6 18.e4 (18.Ra1 f4+=) 18...dc5 (18...Bf6 19.e5 de5 20.Ne5+=) 19.dc5 (19.bc5 fe4 20.Ne4 Qf4+=) 19...Nb8 20.Qb3 Kh8 21.Re1 Bf6 22.e5 Be7 23.Bb1 Na6 24.Nf1 Qd8 25.Rd1+= Qe8 26.Ng3 Nc7 27.Bc2 Nd5 28.Ra1 Qd7 29.Ne2 Rd8 30.Nc3 Qe8 31.g3 f4 32.Nd5 ed5 The passed pawn on e5 will quickly become a dangerous weapon 33.gf4 Qh5 34.Nd4 Bh4 35.Qf3 Bg4 36.Qe3 Bh3 37.Kh1 Bd7 38.e6 Be8 39.Bd1 Qh6 40.Bc2 Bf6 41.Nf5 Qh5 42.Re1 d4 43.Qg3 Bg6=+ 44.Nd6 Bc2 45.Nf7 Kg8 46.Nd8 Qd5 47.Kg1 Qd8–+ 48.Qf3? Qe8 49.Rc1 d3 50.Qe4 Qg6 (51.Qg2 d2–+; better is 50...d2 51.Rc2 d1Q 52.Kg2 Qg4 53.Kf1 Qh3 54.Ke2 Qee6 55.Qe3–+) 0–1. Kreuzer,Uwe – Wild, Landesliga Mannheim, 1992.

    9.Nf3 b6 10.d4 d5 11.Bd3 =.

    9.Nf3 b6 10.d4 Nd5 11.Qa4 b5 12.Qb3 Na6 13.Bc3 Nc3 14.Nc3 Be7 15.Bd3 0–0 16.0–0 Bb7 17.Ra1 Ra8 18.Ne5 d6 19.Nf3 d5 20.Qb1 h6 21.Ne5 Bd8 22.f4 Qe7 23.Bh7 Kh8 24.Bg6 f5 25.Bf5 Qf6 26.Bd3 Bc7 27.Ng6 Kg8 28.Ne2 h5 29.Ng3 h4 30.Nh5 Qf7 31.Qe1 Bd8 32.g4 hg3 33.hg3 Qe8 34.g4 Nc7 35.Ra8 Ba8 ((time) Ausser Wertung weitergespielt 36.Se5 Lf6 37.Lg6 De7 38.Lf7+ 1–0) 36.Ne5 Bf6 37.Bg6 Qe7 38.Bf7 0–1. Kucharkowski,Jens – Seidler,Dieter, corr 11.DDR–SFM/Finale, 1988.

    9.Nf3 b6 10.Bf6 gf6 11.d4 d6 =.

    9.Nf3 d6 10.d4 Be7 11.Bc4 b6 12.cb6 Qb6 13.0–0? Qb4 14.Qb3 Qb3 15.Bb3 0–0 16.Nbd2 Na6 17.Bc3 Nc7 18.Ra1 Nb5 19.Bb2 Bb7 20.Nc4 Ra8 21.Ra8 Ba8 22.Nb6 Bb7 23.Na4 c5 24.Bc4 Bc6 25.Nb6 d5 26.Ne5 Be8 27.Bb5 Bb5 28.Ba3 Ne8 29.Bc5= Bd8 30.f3 h5 31.Kf2 g6 32.e4 Bb6 33.Bb6 Kg7 34.Bd8 f6 0–1. Trkn – zweitausend, itsyourturn.com, 2000.

    9.Bf6+= gf6 10.Nc3 b6 11.d4 bc5 12.bc5 d6 13.cd6 Bd6 14.g3 (14.Bd3 c5+=) 14...Bb4= 15.Qa1 (15.Nge2 c5 16.Bg2 Qa5=) 15...c5 (15...Bb7 16.f3=+) 16.Bb5 Bd7 17.Bd7 Kd7 18.Nge2 Rc8 (18...cd4!? 19.Qa4 Nc6 20.ed4 Qd6=) 19.0–0= Nc6 (19...cd4 20.Ne4 Bc3 21.N2c3 dc3 22.Rd1 Ke8 23.Nd6 Kf8 24.Nc8 Qc8+–) 20.dc5+/– Bc5 (20...Ke7 21.Rc1+/–) 21.Ne4 Be7 (21...Qe5 22.Nf6 Ke7 23.Qe5 Ne5 24.Nh7 Nf3 25.Kg2+–) 22.Rd1 (22.Nf6!? Bf6 23.Qf6 Ke8+–) 22...Ke8+/– 23.Nf6 Bf6 24.Qf6 Qe5 25.Qe5 Ne5 26.Nd4 Ke7 27.Kg2 h5 28.Rd2 Kf6 29.h3 Rc3 30.Nf3 Nd3 31.g4 hg4+= 32.hg4 e5 33.Kg3 e4 34.Nd4 Rc1 35.Ne2 Rf1 36.Nf4 Ne1 37.Nh3 Ke5 38.Ra2 Nd3 39.Ra5 Ke6 40.Ng5+– Ke7 41.Ne4 (41...Kf8 42.Rd5+–) 1–0. Bedbur,Heinz – Prelcec,Zvonimir, BdF, 1977.

    9.Bf6 gf6 10.Qf3 Be7 11.Qg4 b6 12.Qg7 Rf8 13.Qh7 bc5 14.bc5 Bc5 15.Nf3 Qb6 16.Nc3 Ba6 17.h4 Qb2 18.Nd1 Bf1? (better is 18...Qa1 19.Qg7 Bf1 20.Rf1 Na6+=) 19.Nb2+– (19...Bg2 20.Rg1 Bf3 21.Rg3+–; 19.Kf1?! Qa1 20.Qc2 Rh8+=; 19.Rf1?! Qb4+=) 1–0. Trkn – guest3705, ICC, 2004.

    6.c5 Qd8

    7.ab4 Ra1

    8.Ba1 b5 9.d4 Nf6 10.Bd3 Nd5 11.Qd2 Na6 12.Bc3 Qg5 13.f4 Qg4 14.Be4 Qh4 15.g3 Qd8 16.Bg2 Be7 17.e4 Nc3 18.Qc3 0–0 19.Nf3 d5 20.Ne5 Qe8 21.Nd2 f6 22.Nd3 de4 23.Be4 Nc7 24.0–0 Nd5 25.Qb2 Qd7 26.Nb3 Ba6 27.Ra1 Ra8 28.Ra3 Ra7 29.Qa1 Qc8 30.Bd5 ed5 31.Qe1 Bf8 32.Qa1 Ra8 33.Nf2 Bb7 34.Ra8 Ba8 35.f5 g6 36.fg6 hg6 37.Qc1 Bg7 38.Qf4 Qd8 39.Ng4 Qe7 ½–½. Welti – Woelfelschneider, email 4AMM–04 (adj) 1997.

    8.Ba1 d6 9.d4 Nf6 10.Nc3 Be7 (10...b6 11.cb6 d5 12.b5=) 11.Nf3 (11.e4 Nfd7=) 11...b6 12.cb6 Qb6 13.b5 0–0 14.Bd3 Bb7 15.0–0 cb5 16.Bb5 (16.Nb5 Na6=) 16...Rc8 17.Be2 d5 (17...Bf3 18.Bf3 d5 19.Qd3=) 18.Qd2 (18.Qa4 Nc6=) 18...h6 (18...Ba6 19.Rb1 Qa5 20.Nb5 Qd2 21.Nd2=+) 19.Rb1= Qa7 (19...Qc7 20.Nb5 Qd8 21.Qe1=) 20.Nb5 (20.Ne5 Nc6=) 20...Qa8 21.Nc3 Nbd7 22.Bd1 (22.Bb2 Bb4 23.Ra1 Qb8=) 22...Ba6 23.Bc2 Qc6 24.Ba4 Qc7 25.Nb5 Qc4 26.Nc3 Bb4 27.Bb3 Qc7 28.Qa2 Nb8 29.Ne2 Ne4 30.Nf4 Bd6 31.Ne6 fe6 32.Bd5 ed5 33.Qd5 Kh8 34.Qe4 Qc1 35.Ne1–/+ Qc4 36.Nf3=+ Nd7 37.Qf5 Nf6 38.Re1 Bb7 0–1. Kern,Guido (2410) – Beutel, Hessen clubgame, 1997.

    8.Ba1 Nf6 9.Nf3 Nd5 (9...b6 10.d4=) 10.Qb3 b6 11.d4 Na6 12.Bc3 Be7 13.Bd3 Bb7 (13...0–0 14.0–0=) 14.Nbd2 (14.0–0 0–0+=) 14...0–0 (14...Nc3 15.Qc3 bc5 16.bc5+/–) 15.0–0 Qc7 16.Nc4 b5 Black fights for the Initiative 17.Nce5?? (17.Na5!?+=) 17...d6 (better is 17...f6–+) 18.cd6=+ Bd6 19.Bd2 Ndb4=+ 20.Bh7?? Kh7–+ 21.Ng5 Kg8?? 22.e4?? Be5–+ 23.de5 Qe5 24.Qh3 Rc8 25.Qh7 Kf8 26.Qh5 Qc7 27.Qh8 Ke7 28.Qg7 Rf8 29.Nh7 Ra8 30.Bg5 Kd7 31.Rd1 (31...Nd5 32.Nf6 (32.ed5 cd5 33.Qf7 Kc6 34.Rc1 Kb6 35.Be3 Nc5 36.Bc5 Qc5 37.Qb7 Kb7–+) 32...Kc8 33.ed5 ed5 34.Bf4 Qf4 35.Qf8 Kc7 36.Qf7 Kd6 37.Re1 (37.Qb7 Nc7 38.Nh5 Qa4–/+) 37...Qf6 38.Qf6 Kc5 39.Rc1 Kb6 40.h4+–) 1–0. Ranby,Hans – Mantu,E, corr SOK–92–85, 1992.

    4.c4 Nf6

    5.c5 Qd8 6.Nf3 =.

    5.c5 Qc7

    6.Nc3 e5 7.e3 d5 8.d4 e4 9.Na4 Nbd7 10.Ne2 (10.b5 Be7=) 10...g6 (10...ab4 11.ab4 Be7 12.Nf4+=) 11.Nf4 Bg7 (11...ab4 12.ab4 b5 13.Nc3 Ra1 14.Qa1=) 12.Be2 0–0 13.h4 (13.b5 g5 14.Nh3 cb5 15.Bb5 h6=) 13...b5 14.Nc3 Re8 15.g4 Nf8 16.g5 N6d7 17.Kd2 Ne6 18.Ne6 fe6 19.Bg4 (19.h5 ab4 20.ab4 Ra1 21.Qa1 e5+=) 19...Nf8 (19...e5!? 20.Bd7 Bd7–/+) 20.Ne2 e5 21.Bc8 Qc8 22.Qg1 Ra7 (22...ab4 23.ab4 Ra1 24.Ba1+=) 23.Qg3 (23.h5 Qd8=) 23...Qf5 (23...ed4 24.Nd4 Be5 25.Qg2–/+) 24.de5 Qd7 (24...Nd7 25.Nd4 Qe5 26.Ke2+=) 25.Kc2 (25.h5 Qc7=) 25...Rea8 26.Nd4 Qc7 27.Qg4 (27.f4 ef3 28.Nf3 Ne6=) 27...Qe5 28.Qg3 Qg3 29.fg3 Bd4 30.Bd4 ab4 31.ab4 Ra1 32.Ra1 Ra1 33.Ba1 Kf7 34.Be5 Ke6 35.Bc7 Kf5 36.Kd2 Nd7 37.Kc3 Nf8 38.Bd6 Ne6–+ 39.Kd2 d4 40.ed4 Nd4 41.Bf4 Ke6 42.Be3 Nf5 43.Bf2 Kd5 44.Kc3 e3 45.Be1 Ke4 46.Kc2 Ne7 47.Kc3 Nd5 48.Kc2 Kd4 0–1. Fournier,Frederic (1885) – Ababsa,Tufek (1740), Open Cappelle la Grande FRA, 2009.

    6.e3 d6 7.Nf3 Bg4 8.h3 Bf3 9.Qf3 ab4 10.ab4 Ra1 11.Ba1 e5 12.Bc4 1–0. Pcmvr – BlackPanther, playchess.de, 2004.

    6.e3 g6 7.Nf3 Bg7 8.Be2 0–0 9.0–0 d6 10.d4 b5 11.ba5 dc5 12.dc5 Ra5 13.Nbd2 Ra4 14.Qc1 Be6 15.Bd1 Ra7 16.a4 b4 17.Bb3 Bd5 18.Re1 Nbd7 19.e4 Bb3 20.Nb3 Ng4 21.Bg7 Kg7 22.h3 Nge5 23.Ne5 Ne5 24.Qd2 Kg8 25.Red1 Rb8 26.Qd4 g5 27.Qe3 h6 28.Rd4 Kh7 29.Qd2 g4 30.hg4 Ng4 31.g3 Rg8 32.Kg2 Qe5 33.Rb4 Raa8 34.Rh1 Rad8 35.Rd4 Rb8 36.f4 Qg7 37.Rd3 Nf6 38.e5 Ne4 39.Qe1 Ng3 40.Rg3 Qg3 41.Qg3 Rg3 42.Kg3 Rb3 43.Kg4 Kg7 (Better is 43...Kg6!?=) ½–½. Rebber,Christian (2155) – Armbruster,Alexander (2210), Sportland NRW–Cup, 2000.

    6.Nf3 d6 7.cd6 Qd6 8.Be5 =.

    6.Nf3 e6 7.e3 (7.Bf6 gf6 8.Nc3 d6+=) 7...d6 8.d4 (8.Bf6 gf6 9.cd6 Bd6=) 8...Nbd7 (8...ab4 9.ab4 Ra1 10.Ba1=) 9.Bd3 Be7 10.0–0 0–0 11.Qc2 h6 12.Nbd2 ab4 13.ab4 Ra1 14.Ra1 e5 15.de5+/– Ne5 16.Ne5 de5 17.Nf3 Nd7 18.Bf5 Bf6 19.Qe4 g6 20.Bh3 Re8 21.Nd2 b5 22.Nb3 Nf8 23.Bc8 Rc8 24.Na5 Ne6 25.f4 Bg7 26.fe5 Ng5 27.Qf4 Qd7 28.Bd4 Qd5 29.Rf1 Rc7 30.h4 Ne6 31.Qf2 Kh7 32.h5 Be5 33.hg6 fg6 34.Be5 Qe5= 35.Rd1 Qe4 36.Qd2 Rf7 37.Rf1 Rg7 38.Nb3 Re7 39.Nd4 Nd4 40.ed4 Kg7 41.Rf4 Qe1=+ 42.Qe1 Re1 43.Rf1 Rf1 44.Kf1–/+ Kf7 45.d5 cd5 46.Kf2 Ke6 47.Ke3 Ke5 48.g3 h5 49.Ke2 g5 50.Kd3 h4 51.Ke2 (51.gh4 gh4 52.Ke2 h3–+) 0–1. Metschan,Helmuth (1845) – Rettler,Heinz (1800), 9sen.WttgEM/Ellwangen, 1997.

    4.e3 ab4

    5.ab4 Ra1 6.Ba1 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.e3).

    5.ab4 Ra1 6.Ba1 Qb4 7.c4 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.c4 Qb4 7.e3).

    5.Nc3?? bc3–+ 6.Bc3 d5 7.Nf3 Nd7 8.Bd3 (8.Be2 Qc7–+) 8...Qc7 9.0–0 e5 10.Bf5 Bd6 11.Qe1 (11.a4 Ne7 12.Nh4 g5 13.Bd7 Bd7–+ (13...Kd7?! 14.Qg4 Ke8 15.Qg5–+)) 11...Ne7 (11...Ra3?! 12.Bd7 Qd7 13.Ra3 Ba3 14.Ne5–+; 11...Ba3 12.Bd7 Qd7 13.Ne5–+) 12.Bd7 Bd7 (12...Qd7?! 13.Be5 Be5 14.Ne5–+) 13.d3 e4 (13...0–0 14.e4–+) 14.de4 de4 (15.Ng5 Ra4 16.Bg7 Rg8–+) 0–1. Valica,Slavo – Hasek,Frantisek, TT–16 ETC, 2005.

    5.Bc4 d5 6.Bb3 Bf5 7.Bd4 Qc7 8.ab4 Ra1 9.Ba1 Qb6 10.Nf3 Qb4 11.Bc3 Qb6 12.0–0 Nf6 13.d3 Nbd7 14.Nbd2 e6 15.Qa1 Bd6 16.Qa8 Bb8 17.Ba5 Qa7 18.Qa7 Ba7 19.Bc7 Bb8 20.Bb8 Nb8 21.Ra1 Na6 22.Nd4 Kd7 23.Nf5 ef5 24.Nf3 Nc5 25.Ra7 Rb8 26.Ba2 Na6 27.c4 Kc7 28.c5 Nc5 29.Ra3 Ncd7 30.Ng5 h6 31.Nf3 Nb6 32.Nd4 g6 33.f3 Ra8 34.Ra8 Na8 35.e4 fe4 36.de4 Kd6 37.ed5 Nd5 38.f4 Nac7 39.f5 c5 40.fg6 fg6 41.Nf3 b5 42.Nh4 c4 43.Ng6 Nc3 44.Bc4 bc4 45.Nf4 N7d5 46.Nh3 Ne4 0–1. Schubert,Wolfgang – Hacker,Christian, Spenge, 1986.

    5.Nf3 ba3 6.Ra2 =+.

    5.Nf3 d5 6.Be2 ba3 (6...Na6 7.ab4 Qb4 8.Be5=+) 7.Ba3 e6 (better is 7...Na6=+) 8.Bc5!+/– Bc5 (8...Qc5 9.Ra8) 9.Ra8 Bd6 10.d4 (10.c4 Nf6+/–) 10...Nf6 11.0–0 (11.Nbd2 c5+/–) 11...Qc7 (11...0–0 12.Nbd2+/–) 12.Nbd2 (12.c4 dc4 13.Bc4 b5+=) 12...b5 13.Qa1 0–0 14.Ne5 (14.Rb1 Bb7 15.Ra7 Qb6+–) 14...Nbd7 15.Ra7 (15.Ndf3 Bb7 16.Ra7 Ne4+/–) 15...Bb7 (15...Qb6 16.Nd7 Nd7 17.Rb1+=) 16.Ndf3+/– Ne4 17.Qa5 (17.Nd7 Qd7 18.Ne5 Qc8+/–) 17...Nb6 (17...Qa5 18.Ra5 Ne5 19.Ne5+=) 18.Nd7 (18...Qd7 19.Qb6+=; 18.Bd3 Ra8 19.Ra8 Na8 20.Qc7 Bc7 21.Be4 de4+–) 1–0. PeterRs – RageofKlugman, ChessWorld.net, 2006.

    5.Nf3 e6 6.Bd3 (6.Bd4 c5 7.ab4 Ra1 8.Ba1 Qb4=) 6...ba3 7.Ba3 (7.Ra2 d5=+) 7...Ba3 8.Ra3 (8.Na3? Qb2–+) 8...Ra3 9.Na3 d5 10.0–0 Nf6 11.Qa1 Nbd7 (11...0–0 12.Rb1 Qc5 13.Be2=+) 12.c4 (12.Be2 0–0=+) 12...0–0 (12...Qc7 13.Bc2=+) 13.Bc2 Qa6 14.Qc3 Nc5 (14...e5 15.Ra1=+) 15.cd5 (15.Qb4 b6=+) 15...Nce4 16.Qb4 c5 (16...cd5 17.d3 Qd6 18.Qb2=+) 17.Qb2 ed5 18.Nb1 (18.d3 Nd6=+) 18...Be6 (18...Bg4 19.Ne5 b5 20.f3 Bf3 21.gf3+/–) 19.d3 Nd6 20.Nbd2 b5 (20...Ra8 21.Rb1–/+) 21.Qe5 (21.d4 c4–/+) 21...b4 22.Ra1 Qb6 23.Ng5 (23.Nb3 c4 24.dc4 dc4–/+) 23...Bf5 24.Qf4 c4–+ (25.e4 cd3 26.Bd3 Nfe4=+) 0–1. Pegiel,Marek – Blaszczak,Jan, corr 2. AMM Poland, 1994.

    5.Nf3 Nf6 6.c3 ba3 (6...bc3 7.Bc3 d5 8.Be2–/+) 7.Ba3=+ d6?? (7...Ra7 8.d4=+) 8.d4?? (better is 8.Bc5! dc5 9.Ra8+/–) 8...Na6 9.Bd3 Bg4 10.Nbd2 g6 (10...e6 11.h3 Bh5 12.e4=+) 11.0–0 Bg7 12.h3 Bd7 13.Nc4 Qc7 14.Bb4 0–0 15.Ba5 Qc8?? 16.Nb6+– Qe8 17.Na8 Qa8 18.Qe2 b5+/– 19.c4 Ne8 20.Ra2 c5?? 21.cb5 Nb4 22.Bb4 cd4 23.Ra8 1–0. wlittle (2155) – rbeckett (2195), net–chess.com, 2004.

    5.Qg4 ba3!? 6.Ba3 Na6 –/+.

    5.Qg4 Nf6 6.Qb4= Qb4 (6...Qd8 7.Nf3=) 7.ab4 Ra1 8.Ba1 d5 9.c4 (9.Nf3 Bf5 10.d3 e6 11.Bf6 gf6=) 9...Bf5=+ 10.Nc3 (10.Na3 dc4 11.Nc4 b5–/+) 10...Na6 (10...dc4 11.Bc4 b5 12.Be2=+) 11.b5 Nb4 12.Bb2 Bd3 13.f3 (13.cd5 Nc2 14.Kd1 Bf1 15.Nge2 Be2 16.Ne2–+) 13...dc4–+ 14.Nh3 (14.bc6 Nc6 15.Bd3 cd3–/+) 14...e6 (14...Bf1 15.Kf1 e5 16.bc6 Nc6 17.Ke2–+) 15.bc6 bc6 (15...Nc6 16.Bd3 cd3 17.Nf2–/+) 16.Nf4 (16.Be2 Bd6–/+) 16...Bf1–+ 17.Kf1 Bd6 (17...e5 18.Nh3 Nd3 19.Ba1–+) 18.Nfe2 (18.Ne4 Ne4 19.fe4 e5–+) 18...Nd3–+ 19.Ba1 (19.Na4 e5–+ (19...Nb2?! 20.Nb2 c3 21.Nc3=+)) 19...0–0 (19...Kd7 20.Ng3–+) 20.Nd4 (20.Ng3 Ra8 21.Ke2 Bg3 22.hg3 e5–+) 20...Ra8 21.Nc2?? (better is 21.Ke2–+) 21…Nb4 (22.Nd1 Nc2 23.Bf6 gf6–+) 0–1. Havranke,Stefan – De San Jose Candalija,Eduardo, Wch IBCA U18 3rd, 2003.

    5.Bd4 c5

    6.Bb2 ba3 7.Ba3 g6?? (7...Na6 8.Nc3=+) 8.d4?? (better is 8.Bc5 Qc5 9.Ra8+–) 8...cd4+= 9.ed4 (9.Bc5 Qc5 10.Ra8 de3 11.fe3 Qc7= (11...Qe3? 12.Ne2+–)) 9...Qa5 (9...d5 10.Nf3=+) 10.Qd2 (10.Nd2 Qc7=) 10...Qd2=+ 11.Nd2 e6 12.Nb1 Nc6 13.Nf3 Nf6 14.Bd3 Nd5 15.g3–+ Ncb4 16.Be4? f5–+ 17.Bd3 Nd3 18.cd3 Nb4 19.Kd2 Nd5 20.Bb2 Ra1 21.Ba1 Bb4 22.Kc2 b6 23.Ne5 Bb7 24.Rd1 Ke7 25.Nc3 Ra8 26.Nd5 Bd5 27.Bc3 Ra2 28.Bb2 b5 29.Ra1 Ra1 30.Ba1 d6 0–1. amikhlin (2320) – chadpalmer (2245), net–chess.com, 2002.

    6.Bc5 Qc5 7.ab4+/– (7.ab4 Qe3 8.de3 Ra1 9.Qc1+/–) 1–0. Gonzalez,Roberto Enrique – Winter,Malcolm, 65. LSS No Engine Cup Preliminary, 2012.

    6.Be5 =.

    6.Bc5 Qf6

    7.d4 ba3 8.Ra3 Ra3 9.Ba3 e6 10.Bf8 Kf8 11.Nd2 g6 12.Qa1 Kg7 13.Qa8 1–0. Bohnke,H – Hilton,S, OCC, 2002.

    7.d4 ba3 8.Ba3 d6 +=.

    7.Bd4 Qd6 8.ab4 (8.Nf3 Nc6 9.ab4 (9.Bb2 Nf6 10.Bc4 Qc7 11.ab4 Ra1 12.Ba1 Nb4 13.Bb3 e6+=) 9...Ra1 10.Ba1 Nb4 11.Na3 Nf6 12.Bc4 Nc6 13.Nb5 Qc5+=) 8...Ra1 9.Ba1 Qb4 10.Nf3 (10.Bc3 Qb6 11.Nf3 Nc6 12.Be2 d5 13.0–0 e6+=) 10...Nf6 11.c4 (11.Bc3 Qg4 12.Bf6 ef6 13.Nc3 Nc6+=) 11...e6 (11...Nc6 12.Be2 d6 13.Bc3 Qb6+=) 12.Nc3 (12.Bc3 Qe7 13.d4 d5+=) 12...Be7 (12...d5 13.cd5 Nd5+=) 13.Qa4 (13.Nb5 0–0+=) 1–0. Bakhtadze,L (2070) – Morchiashvili,B (2330), TCh–GEO Club, 2015.

    7.Bd4 e5 8.Bb2 ba3 (8...Nc6 9.a4=) 9.Na3+= Ba3 10.Ra3 Ra3 11.Ba3 Ne7 12.Nf3 Nbc6 13.Qa1 (13.d4 d6+=) 13...0–0 14.Be2 d6 15.0–0 Bf5 16.c4 Rd8 (16...Ra8 17.d3=) 17.Qb2+= g5 (17...Ra8 18.Ra1+=) 18.Qb7+/– g4 19.Ne1 Rb8 (19...d5 20.Qb6 Nc8 21.Qc5+/–) 20.Qa6 (20.Qc7 Rd8+/–) 20...e4 (20...Rb1 21.f3 gf3 22.Bf3+=) 21.d4 Bc8 22.Qa4 h5 (22...Rb7 23.Qd1+/–) 23.Nc2 Bd7 24.d5 Ne5? 25.Qa7 Rd8 26.Qc7 Nf5 27.Rb1 Rc8 28.Rb8 Rb8 29.Qb8 Kh7 30.Bb2 Ba4 31.Nd4 Nh4 32.c5 Nhf3? 33.Nf3 gf3 34.Bf1 Bd1 35.Qd6 Qd6 36.cd6 Nd7 37.Bb5 Nb8 38.d7 (38...Nd7 39.Bd7+–) 1–0. Kreuzer – Hubel, Verb'Liga, 1985.

    7.Bd4 e5 8.ab4 Ra1 9.Ba1 Bb4 10.f4 Nc6 11.Nf3 d6 12.Bb5 Bg4 13.fe5 de5 14.Be5 Qg6 15.h3 Bf3 16.Qf3 Nge7 17.Qg4 Qg4 18.hg4 0–0 19.Bb2 Nd5 (19...Ra8 20.Bc4+/–) 20.Ke2 Ra8 21.Bc4 Nb6 22.Bb3 (22.Bd3 h6+/–) 22...Na5 23.Rh5 Bf8 24.Rb5 Ra6 25.Bc3 Nb3 26.cb3 Bd6 27.Bd4 Bc7 28.Nc3 Kf8 29.Ne4 h6 30.Nc5 Ra8 31.Nd3 Nd7 32.Rb7 Rc8 33.b4 g6 34.b5 Ke7 35.b6 Bd6 36.Ne5 Be5 37.Be5 Rd8 38.Bc7 Ra8 39.Bf4 g5 40.Rd7! Kd7 41.b7 Re8 42.b8Q Rb8 43.Bb8 Ke6 44.Kf3 f5 45.gf5 Kf5 46.e4 Ke6 47.Kg4 Kf6 48.Kh5 g4 49.Kh6 Ke6 50.d4 Kd7 51.d5 Kc8 52.Kg6 Kb8 53.e5 Kc7 54.Kf6 Kd7 55.Kf7 Kd8 56.e6 Kc7 57.Ke7 g3 58.d6 (58.d6 Kb6 59.d7 Kc5 60.Kf6 Kc6 61.d8Q Kc5 62.e7 Kb5 63.e8Q Kc5 64.Qa5 Kc4 65.Qe2 Kd4 66.Qae5#) 1–0. Woelfelschneider,Peter – Krumm, 2009.

    5.Bd4 Qc7

    6.Nf3 ba3 7.Na3+/– (7.Ra3?! Ra3 8.Na3 Nf6+=) 7...Na6 8.Nc4 c5 (8...Nf6 9.Qb1+/–) 9.Bc3 b5 10.Nce5 b4 11.Bb2 (better is 11.Nf7!? bc3 12.Nh8 cd2 13.Qd2+–) 11...Nh6 12.Ng5 Bb7 13.Bb5 Nb8 14.Ra8 Ba8 15.e4 f6?? (better is 15...Nc6 16.Qa1 Qc8+=) 16.Qh5+– g6 17.Ng6! hg6 (17...fg5 18.Nf8 (18.Bh8?! hg6 19.Qg6 Nf7=; 18.Nh8 Kd8 19.f4 Qb7+–) 18...Nf7 19.Bh8 Be4 20.Bg7 Bc2 21.0–0+–) 18.Qg6 Kd8 19.Ne6 (19.Ne6 Kc8 20.Nc7 Kc7 21.Bc4+–) 1–0. yulio (1985) – towa (1810), gameknot.com, 2014.

    6.Nf3 c5!? 7.ab4 Ra1 8.Ba1 cb4 =.

    6.Nf3 f6 7.ab4 Ra1 8.Ba1 e5 9.b5 d5 10.c4 Be6 11.bc6 dc4 12.cb7 Qb7 13.d4 Nd7 14.Bc3 Ne7 15.Be2 (15.de5 fe5 16.Ne5 Ne5 17.Be5 Nc6+=) 15...ed4 16.Bd4 Nf5 17.0–0 Bb4 18.Nbd2 c3 19.Qb1 (19.Bc4 Bc4 20.Nc4 Nd4 21.ed4 Be7+/–) 19...Nd4 (19...cd2 20.Bc3 Kf7 21.Qb4 Qb4 22.Bb4 Ne5+/–) 20.Nd4= Bd5 21.Bf3 Bc5 (21...Bf3 22.N2f3 Nc5 23.Qa2+/–) 22.Qf5 g6 23.Bd5 gf5 24.Bb7 cd2 25.Nf3 Bb4 26.Bc6 Ke7 27.Bd7 Kd7 28.Nd2! Bd2 29.Rd1 Ke6 30.Rd2 Rc8 31.g3 Rc4 32.Kg2 Rc7 33.h4 Ke5 34.Rd8 Ke6 35.Rh8 f4 36.gf4 Rg7 37.Kf3 f5 38.h5 Rc7 39.Kg3 Rg7 (39...Rg7 40.Kh4 Rg4 41.Kh3 Rg7+–). bulent_2010 – PeterRs, ChessWorld.net, 2012.

    6.ab4 Ra1

    7.Ba1 Na6 8.b5 Nb4 9.Bc3 (9.Nf3 Nf6+=) 9...e6 (9...Nd5 10.Bb2=) 10.Bb4 (10.Nf3!?+=) 10...Bb4=+ 11.Qg4 Be7 (11...Bf8!?=) 12.Qg7+= Bf6 13.Qg3 Qa5 (13...d6 14.Nf3+=) 14.c4 (14.Bd3!?+/–) 14...cb5+= 15.cb5 Ne7 (15...d5 16.Bd3+=) 16.Bd3+= Nd5 (16...e5 17.Qf3 Bg7 18.Nh3+/–) 17.Ne2+/– Nb4 18.Bh7 Ke7 (18...Rh7 19.Qg8) 19.Be4 (19.Qb8 Rh7 20.Qc8 Nd3 21.Kf1 Qa4=+) 19...d5 20.Bf3?? (better is 20.Nbc3 de4 21.0–0=+) 20...Nd3–+ 21.Kf1 Qa2 22.Nec3 (22.Qc7 Bd7 23.g4 Qb1 24.Kg2 Qb5–+) 22...Bc3 23.Ke2 (23.Qc7 Bd7 24.Qc3 Bb5 25.Qa3 Nb4 26.d3 Bd3 27.Ke1 A) 27...Bb1?! 28.Qb4 Kf6 29.Qd4 (29.Qb7 Be4 30.Be4 de4 31.Qe4 Qa1 32.Ke2 Qh1 33.Qf4 Ke7 34.Qb4 Kf6 35.Qf4 Kg6 36.Qg4 Kh6 37.Qf4 Kg7 38.Qg5 Kh7 39.Qh5 Kg8 40.Qg5 Kf8 41.Qd8 Kg7 42.Qg5 Kh7 43.Qh5 Kg7 44.Qg5=) 29...e5 30.Qd5=; B) 27...Qb1 28.Bd1 Rc8–+) 23...Be5 24.Qg5 Kd6 (25.Rd1 Bd7–+; 24...Bf6 25.Nc3 Qc4 26.Bd5 Nf4 27.Kf3 Nd5 28.Nd5 ed5 29.Qf4–+) 0–1. juanpacio (1635) – Garfield85 (1840), internet, 2006.

    7.Ba1 d5 8.c4 Nf6 9.Nf3 Nbd7 10.Qb3 (10.Bf6 ef6 11.c5 b6=) 10...e5 11.Nc3 Be7 12.c5 (12.Be2 dc4 13.Bc4 0–0=) 12...0–0 13.d4 e4 14.Nd2 Kh8 (14...b6 15.Qc2=+) 15.Be2 Ng8 (15...b6!?=+) 16.0–0= f5 17.f4 (17.f3+=) 17...g5 (17...b6!?=) 18.Nd1 (18.b5 g4+/–) 18...g4 19.b5 Ndf6 (19...b6 20.bc6 Qc6 21.Bb5+/–) 20.b6+/– Qd8 21.Bb2 Be6 22.Nf2 h5 (22...g3 23.hg3 Kg7 24.g4+/–) 23.Ra1 Nh6 24.Ra7 Bc8 25.Qa4 Rg8 26.Ba6?? (better is 26.Qc2+–) 26...g3 27.hg3 Rg3?? (27...ba6 28.Qc6 Nhg4=+) 28.Nf1+– (28...Rg7 29.Bb7+/–) 1–0. Fehr,Wolfgang – Bedbur,Heinz, corr SOK–92–78, 1992.

    7.Ba1 d5 8.d4 e5 9.de5 Bb4 10.Nd2 Qa5 11.Ngf3 Bg4 12.Bb2 Nd7 (better is 12...Bc3!? 13.Bc3 Qc3=+) 13.e6+= Ndf6 14.ef7 Kf7 15.Ne5 Kf8 16.Ng4 Bd2 17.Qd2 Qd2 18.Kd2 Ng4 19.f3 N4f6 20.Bd3 Kf7 21.Ra1 Ne7 22.Ra7 b5 23.Ba3 Re8 24.Rc7 g6 25.Be7 Re7 26.Rc6 Rb7 27.g4 Nd7 28.Rd6 Nb6 29.Bb5 Ke7 30.Rc6 Nd7 31.Be2 Ne5 32.Ra6 Nd7 33.h4 Rc7 34.h5 gh5 35.gh5 Nf6 36.h6 Kf7 37.Bd3 Re7 38.c4 dc4 39.Bc4 Kg6 40.e4 Kg5 41.f4! Kf4 42.Rf6 Ke4 43.Bd3 Ke5 44.Rf5 Ke6 (44...Kd4 45.Rf4 Kc5 46.Rc4 Kd6 47.Rd4 Ke5 48.Re4 Kf6 49.Rg4+–) 45.Rf8 Ke5 (45...Rd7 46.Ke3 Rd6 47.Rh8+– (47.Bh7?! Ke7+/–)) 46.Rh8 Kf6 47.Rh7 (better is 47.Bh7 Ra7 48.Bc2 Rd7 49.Kc1+–) 47...Rh7= 48.Bh7 Kg5 49.Bg8 ½–½. Loulou – PurpleKnight25, HCL–E912 playchess.de, 2003.

    7.Ba1 d5 8.Nf3 Nf6 +=.

    7.Ba1 d5 8.f4 Nf6 9.Qc1 (9.Be5 Qd8=) 9...Bf5 10.Nf3 e6 11.Qb2 (11.Nh4 Bg6 12.Ng6 hg6=) 11...Be7 12.b5 Nbd7 13.Be2 0–0 14.0–0 Ra8 15.Nc3 (15.Nd4 Be4=+) 15...Bg4 16.h3 Bf3 17.Bf3 Ne8 18.Kh1 Nb6 19.bc6 bc6 20.Qc1 Bf6 21.Qe1 Na4 22.Na4 Ra4 23.Bf6 Nf6 (< 23...gf6 24.d3+=) 24.Qb1 Ra7 (24...Qa7 25.Qb2=+) 25.Qb2 Qb7 (25...Rb7 26.Qc3=+) ½–½. Lagvilava,Genrieta (2335) – Styazhkina,Olga (2315), St Petersburg, 2000.

    7.Ba1 e5

    8.b5 cb5 9.Bb5 Nc6 10.Nf3 Bd6 11.c4 Nge7 12.Nc3 0–0 13.Ne4 b6 14.0–0+= Bb7 15.Nd6 Qd6 16.d4 ed4 17.ed4 Re8 18.Re1 Kf8? 19.d5+– Na7 20.Bg7! Kg7 21.Qa1 Theme: Double Attack 21...f6 22.Qa7 Qc7?? 23.Qa3 Qd8 24.Qd6 Nf5 25.Qd7 Qd7+/– 26.Bd7 Re1 27.Ne1 Nd6 28.Nc2 Nc4 29.Nb4 Kf7 30.Kf1 Ne5 31.Bf5 h6 32.Ke2 Ke7 33.f4 Nc4 34.Kd3 b5 35.Kd4 Kd6 36.g4 Nd2+/– 37.h3 Nf3? 38.Ke4 Nd2 39.Kd4 Nf3 40.Ke3 Ng1 41.Kd4?? Nh3?? 42.g5!+– Ng5 43.fg5 fg5 44.Bg4 h5? 45.Bh5 Bc8 46.Be2 Bd7 47.Nd3 g4 48.Nf4 b4 49.Bc4 Bc8? (better is 49...Bf5+/–) ½–½. Kreuzer – Bennebach, 1985.

    8.b5 d5 9.c4 Nf6 10.Nf3 Nbd7 11.cd5 cd5 12.Nc3 b6 13.Be2 Bd6 14.h3 0–0 15.0–0 Bb7 16.Qb1 Re8 Black prepares the advance e4 17.Rc1= Qb8 18.d4 e4 19.Ne1 g5 20.Nc2+= Kh8 21.Nb4 Rg8 22.Qb3 g4 23.hg4 Rg5 24.Nc6 Qf8 25.g3 h5? 26.Kg2?? hg4+= 27.Rh1 Kg7 28.Qa2 Qc8= 29.Qa4 Kg6 30.Bb2 Rh5 31.Rh5 Kh5 32.Bd1 Nf8 33.Ne5 Qc7 34.Ne2 Be5 35.de5+/– N6d7 36.Nf4 Kg5 37.Qa3 Qc5 38.Qa7 Bc8? 39.Ba3+– Qb5 40.Bf8 Qc6 41.Bd6 Bb7 42.Qa2 Kf5 43.Qe2 Ne5 44.Be5 Ke5 45.Qg4 Kf6 46.Qh4 Kg7 47.Qg5 Kf8 48.Bh5 d4 49.Qd8 (49...Kg7 50.ed4+–; < 49.ed4 Qc7+–) 1–0. Kreuzer – Kalinski, Ladenburg, 1987.

    8.b5 d5= 9.bc6 bc6 10.d4 e4 11.c4 Nf6 12.c5 Be7 13.Ne2 0–0 14.Nd2 Ng4 15.Nf4 Bg5 16.Be2 Nf6 17.Nh5 Nh5 18.Bh5 f5 19.0–0 f4 20.Qb3 Ba6 21.Ne4 Qe7 22.ef4 Bf4 23.Ng3?? Bf1–/+ 24.Nf1 Nd7 25.g3 Bh6 26.Ne3 Qf6 27.f4 Bf4?? 28.gf4= Qf4 29.Kh1 Qf2 (30.Bg4 Qe1 31.Kg2 Rf2 (31...Qa1?! 32.Bd7 Qd4 33.Qa3–/+) 32.Kh3 Nc5 (< 32...Qa1 33.Bd7 Rb2 34.Qd1+=) 33.dc5 Qa1 34.Be6 Kf8 35.Qb8 Ke7 36.Qd6 Kf6 37.Bg8 Kg5 38.Qg3 Kf6 39.Qf2 Ke7 40.Qf7 Kd8 41.Qf8 Kd7 42.Qd6 Kc8 43.Qc6 Kd8+–). Sawamura,Tetsushi – Polevoy,Nickolay (2045), CP.2001.P.00035, 2001.

    8.b5 d5= 9.Nf3 Bd6 =.

    8.b5 d6 9.Nc3 Nf6 10.Nf3 Be7 11.Be2 Nbd7 (11...0–0 12.0–0 Bf5 13.Bb2 Nbd7 14.Ng5 Nc5 15.g4 Bg6) 12.0–0 0–0 13.Bb2 Re8 (13...e4 14.Nd4+= Ne5 15.f4 ef3; 13...Nc5 14.Re1 Nd5 15.d4 Nc3) 14.Qa1 (14.d4 d5 15.Qd2 e4) 14...d5 15.Na4 (15.h3 h6=) 15...Bd6+= (15...e4=) 16.h3 cb5 (16...c5!?+=) 17.Bb5 Qc2 18.Ne5 (18.Ba3!? Qb3 19.Bd7 Bd7 20.Bd6=) 18...Ne5+= 19.Be8 Nf3 (19...Ne8?! 20.Be5 Be5 21.Qe5 Qa4 22.Qd5=) 20.Kh1 Qg6 21.Bf6 (21.gf3 Qh5 22.Be5 Bh3–+) 21...gf6 (better is 21...Qh5!? 22.Bh4 Qh4–+) 22.Nb6+– Nh4 23.Rg1 Be6 24.Bd7 Nf5 25.Qe1 Bc7 26.Be6 fe6 27.Na4 b6 28.Nc3 Kf7 29.Nb5 Bb8 30.Nd4 Nd6 31.Rf1 Ne4 32.d3 Nc5+/– 33.Qb1 Bc7? 34.Nb5+– Bb8 35.Rd1 Qf5 36.Kg1 Qe5 37.g3 Qf5 38.Kg2 h5 39.Nd4 Qe5 40.Nc6 Qc7 41.Nb8 Qb8 42.Rc1 Qa8 43.d4 Ne4 44.Rc7 Kg6 45.f3 Qa5 46.Qc2 Qd2 47.Qd2 Nd2 48.Kf2 Nc4 49.Rb7 Kf5 50.Rh7 Kg6 51.Rb7 Kf5 52.Ke2 e5 53.Rg7 b5 54.Rb7 Na3 55.Rb6 Kg5 56.de5 fe5 57.e4 de4 58.fe4 h4 59.Kf3 Nc2 60.gh4 Kh4 61.Rh6 Kg5 62.Rb6 Nd4?? 63.Kg3+– Ne2 64.Kf2 Nd4 65.Ke3 b4 66.Kd3 b3 67.Rb8 Kh4 68.Rh8 Kg3 69.h4 b2 70.Rb8 Kh4 71.Rb2 Kg5 72.Rf2 Ne6 73.Rf5 Kg6 74.Re5 Kf6 75.Rf5 Ke7 76.Ra5 Kd6 77.e5 Ke7 78.Ra7 Ke8 79.Ke4 Nc5 80.Kd5 Nd7 81.Ke6 Nc5 82.Kd6 Ne4 83.Kd5 Nc3 84.Ke6 Kd8 85.Ra8 Kc7 86.Kf7 Ne4 1–0. Navin,Kanna Tu (2055) – Braschi,Giancarlo (2170), XLIII WJun, Kochin IND, 2004.

    8.Qc1 d5 9.c4 Nf6 10.Nf3= (10.cd5 Nd5 11.Nc3 Nb4 12.Nf3 Bf5 13.e4 Bg6 14.h4) 10...Nbd7 (worse is 10...Bb4 A) 11.Ne5?! dc4 (11...Bd6 12.Nf3 dc4 13.Bf6 gf6 14.Qc4) 12.Bc4 0–0= 13.Qc2 Nbd7 14.f4; B) 11.Be5 Bd6 12.Bf6 gf6 13.cd5 (13.Qb2 0–0 14.Qf6) 13...cd5 14.Qb2+/–) 11.cd5 Nd5 12.b5 Bd6 (12...e4 13.Ng5 (13.bc6 Qc6 14.Qc6) 13...Nc5 14.Qc4+= (14.Bg7 Bg7 15.Qc5+=)) 13.Nc3 Nc5 (13...N5f6 14.Bc4= –0.15/9 (14.d4=)) 14.Qb1 (14.Nd5 cd5 15.Qb2 Nd7=; 14.bc6=) 14...0–0 (14...Nc3 15.Bc3 0–0 16.Ng5=) 15.Nd5 cd5 16.b6 Qe7 17.Ne5 (17.Be5 Be5 18.d4 Bd6 19.dc5 Bc5+=) 17...Be5 18.d4 Bf6 19.dc5 d4 20.Be2 (better is 20.e4!? Qc5 21.Bd3 Qa5 22.Kf1+=) 20...de3–/+ (20...Qc5?! 21.0–0 de3 22.Bf6 gf6 23.Bd3=) 21.Bf6 (21.0–0 Ba1 22.Qa1 Qc5–/+) 21...ef2–+ 22.Kf2 Qf6 23.Bf3 Qd4 24.Kg3 Qe5 25.Kf2 Qc5 26.Kg3 Qe5 27.Kf2 Qd4 28.Kg3 g5 29.h3 Qh4 30.Kh2 Qf4 31.Kg1 Re8 32.Kf2?? Qd4 33.Kg3 Qh4 34.Kh2 Qf4 (34...Qf4 35.Kg1 Qg3–+) 0–1. Mihalj,Miroslav (2295) – Pap,Misa (2400), ch–Serbia, Vrnjacka Banja SCG, 2006.

    8.Nf3 e4 9.Ng5 =+.

    8.Nf3!? f6 9.b5 =.

    7.Ba1 Nf6

    8.c4 d5 9.Nf3 Nbd7 10.d4 =.

    8.c4 d6 9.Nf3 Bg4 10.Be2 Nbd7 11.0–0 e5 12.d4 e4 13.Nfd2 Be2 14.Qe2 d5 15.c5 Be7 16.f3 ef3 17.Nf3 0–0 18.Nc3 b5 19.Bb2 Ne8 (19...Nb8 20.Ra1=) 20.Nd2 Bd8 21.Rf3 Ndf6 22.e4 de4 23.Nce4 Nd7 (better is 23...Nd5=) 24.Nd6?? (24.d5 cd5 25.Nc3 Nef6+/–) 24...Nef6?? (better is 24...Nd6 25.cd6 Qd6–/+) 25.N2e4 (25.d5 cd5 26.Rb3 Qb8 27.Bf6 Bf6 28.Qb5 Qa7+=) 25...Be7 (25...Ne4 26.Qe4 Nf6 27.Qe5+=) 26.Rf5 (26.Nf5 Bd8 27.d5 cd5 28.Ned6+–) 26...Qd8 27.Nf6 0–1. Kevlishvili,Nika – Kacharava,Nikoloz (1715), Budva MNE, 2013.

    8.c4 e6 9.b5 cb5 10.cb5 Be7 11.Nf3 0–0 12.Be2 d5 13.Be5 Bd6 14.Bd6 Qd6 15.Qb3 Nbd7 16.d4 Ne4 17.0–0+= Ndf6 18.Nbd2 Bd7 19.Bd3 Rc8 20.Be4 Ne4 21.Ne4+= de4 22.Nd2 Qd5 23.Qd5 ed5=+ 24.Rb1 Rc2 25.Nb3 Bb5–/+ 26.Nc5 b6 27.h3 Kf8 28.Nb7 Bd3 29.Rb6 Ke7 30.Nc5 Rc1 31.Kh2 Rc2 32.Kg3 h5 33.Rb7 Ke8 34.h4+= g5 35.hg5+/– h4 36.Kh4 Rf2 37.Kg3 Re2 38.Kf4 Rg2 39.Kf5 Rf2 40.Ke5 Bc4 41.Nd7+– (41...Ba6 42.Nf6 Kd8 43.Rf7+–) 1–0. Kreuzer,Uwe – Birkle, corr, 1984.

    8.Nf3 b5 9.Be2 =.

    8.Nf3 e6 9.Bf6 (9.Be5 d6 10.Bf6 gf6 11.b5 e5 12.d4 d5 13.c4 Bb4 14.Nbd2 e4 15.Nh4 Qa5 16.cd5 cd5=) 9...gf6 10.c3 d5 11.Be2 (11.d4 e5= 12.Nbd2 e4 13.Nh4 Bd6 14.g3 b6 15.f3 f5 16.Qb3 f4=) 11...e5 12.0–0 (12.d3 Rg8 13.g3 Be6 14.Nbd2 Nd7 15.Qa1 Bd6 16.d4 e4=) 12...Be7 (12...Bd6 13.h3= (13.d3 f5 14.h3 Rg8 15.Kh1 Be6 16.Nbd2 f6=) 13...Be6 14.Qc2 b6 15.e4 Qd7 16.ed5 Bd5=; 12...Rg8 13.Nh4 Bd6 14.Qc2 e4 15.g3 f5 16.f4 Be6=) 13.Qc2 (13.Kh1 Be6 14.d3 Nd7 15.Nbd2 0–0 16.d4 Ra8=) 13...0–0 (13...Bd6 14.d3= (14.Nh4 e4 15.g3 f5 16.d3 Qe7=) 14...Rg8 15.Nbd2 Bh3 16.Ne1 Bf5=) 14.d3+= Be6 15.Nbd2 Nd7 (15...c5 16.b5 f5+=) 16.Ra1 Rc8 (16...b5 17.Kh1=; 16...b6=) 17.d4 e4 18.Ne1 b6 19.Qd1 c5 20.bc5 bc5 21.g3 Nf8 22.Ng2 Ng6 23.h4 cd4 24.cd4 Bd6 25.Nb3 Kg7 26.h5 Ne7 27.Nf4 Qc3 28.Bg4 Bf4 29.gf4 Kh6 30.Be2 Rg8 31.Kh2 Nf5 32.Rc1 Qb2 33.Rb1 Qa3 34.Qc1 Qa8 35.Ra1 Qf8 36.Nc5 Nh4 37.Ne6 fe6 38.Qf1 Nf3 39.Bf3+= ef3 40.Qh3 Rg2 41.Kh1 Rf2 42.Qg3 Rc2 43.f5 Rg2 44.Qf3 Rg5 45.fe6 Qe7 46.Ra6+= Rh5 47.Kg1 Rg5 48.Kf1+= Kg7 49.Qf2 Qb7–/+ 50.Ra1 Qb5 51.Ke1+= Qb4 52.Kd1 Qb3 53.Kc1 Qc3 54.Kb1 Qb3 55.Kc1 Qc3 56.Kb1 Qc7 57.Kb2 h5 58.Qc2 Qb6 59.Kc3 Qc6 60.Kb2 Qb5 61.Kc3 Qc4 62.Kb2 Qb4 63.Ka2 Qb6 64.Rb1 Qa6–+ 65.Kb3 Qe6 66.Ka4 Qa6 67.Kb4 Kh8 68.Rh1 Rg7 69.Rh5 Kg8 70.Rd5 Rb7 71.Kc3 Qa3 72.Kd2 Rb2 73.Rc5 Rc2 74.Rc2 f5 75.Ke2 f4! 76.ef4 Qg3 77.Rc5 Qf4 78.Kd3 Qf3 79.Kd2 Qe4 80.Kc3 Qe3 81.Kc4 Kf7 82.Re5 Qd2 83.Kc5 Qd3 84.Kd5 Kf6 85.Kc5 Qb3 86.Kd6 Qc4 87.Rd5 Qa4 88.Kc7 Ke6 89.Re5 Kf7 90.Rf5 Kg6 91.Rd5 Qc4 92.Rc5 Qd4 (92...Qd4 93.Kc6 Kf6–+) 0–1. Buczinski,Henryk – Canizares Cuadra,Pedro, corr IECG RM–2010–O–00047, 2010.

    8.Nf3 g6 9.Nc3+= Bg7 10.Ne4 d5?? (Better is 10...0–0 11.Nf6 ef6+=) 11.Be5+– (11…Qb6 12.Nf6 (12.Bb8 de4 13.Nd4 Qb4–/+) 12...Bf6 13.Bb8 Qb4 14.c3+–) 1–0. Behrmann,Klaus – Falato,J, corr, 1997.

    5.Bd4 Qd8

    6.ab4 Ra1 7.Ba1 d5 8.f4 e6 9.Nf3 Nf6 10.b5 Bd7 11.Nc3 Qa5 12.Nd4 Bb4 13.Nb3 Qb6 14.Bd3 0–0 15.0–0 cb5 16.Nd4 Bc6 17.g4 Nbd7 18.g5 Ne4 19.Qh5 Ndc5 20.Rf3 Ra8 21.Bb2 g6 22.Qh4 Nd2 23.Rh3 h5 24.gh6 Nf3 25.Rf3 Ne4 26.h7 Kh8 27.Ne4 g5 28.Qh6 Ra1 29.Ba1 Qa6 30.Qf6 Kh7 31.Rh3 Kg8 32.Rh8# 1–0. Paige – COMP, Galashiels, 1996.

    6.ab4 Ra1 7.Ba1 Nf6 8.Nf3 d5 9.Be2 Bg4 10.0–0 e6 11.b5 Bd6 12.bc6 Nc6 13.Nc3 0–0 14.Nb5 Be7 15.Ne5 Be2 16.Qe2 Qa5 17.Bc3 Qa4 18.Ra1 Qh4 19.f3 Qh5 20.Nc6 bc6 21.Na7 Bd6 22.g3 Qf5 23.d4 c5=+ 24.Nb5 Be7 25.Ra7 Re8 26.g4 Qg5= 27.Bd2 h5 28.e4= Qg6 29.e5 cd4 30.Qd3 Ne4 31.fe4 Qg4 32.Kf1 de4 33.Qg3 Qd1 34.Be1 e3 35.Qg2= d3 36.cd3 Qd3=+ 37.Qe2 Qf5 38.Kg1 Qe5 39.Rd7 Qg5 40.Kh1 Rd8 41.Rd8 Bd8–+ 42.Nc3 Qe5 43.Nd1 Bb6 44.h3 Bd4 45.Kg2 g6 46.Qf3 f5 47.Qc6 Qd5 48.Qd5 ed5 49.Kf3 g5 50.Ne3 Be3 51.Ke3 Kf7 52.h4?? f4?? (52...gh4 53.Bh4 Ke6–+) ½–½. Rosner,Dirk – Markus,Roland, DESC, 2000.

    4.e4 ab4

    5.ab4 Ra1 6.Ba1 Qb4 7.Nc3 b5 8.Nf3 d6 9.d4 (9.e5 Bg4–/+) 9...g6 (9...Nf6 10.Bd3=+) 10.Be2 Bg7 11.0–0 Nf6 12.Qd2 (12.Na2 Qa5 13.e5 Qa2 14.ef6 Bf6–/+) 12...0–0 13.Rb1 Qa3 14.e5 de5 15.de5 Nfd7 16.Ne4 Qa2 17.Rd1 Bb7 (17...Qe6 18.Nfg5 Qa2 19.Nf3=) 18.Bd4= h6 (18...Qe6 19.Nfg5 Qf5 20.Ng3 Qe5 21.Be5 Ne5 22.N5e4+–) 19.c4 (19.Nc5!? Nc5 20.Bc5=) 19...Qd2=+ 20.Ned2 (20.Rd2!? Rd8 21.Bb6–/+) 20...c5–/+ 21.Bb2 (21.Be3 b4–/+) 21...b4 22.Ra1 (22.Kf1 Rd8–/+) 22...Nc6 (22...Bf3 23.Nf3 Nc6 24.Kf1–+) 23.Bd1? (better is 23.Nb3–+) 23...Nde5 24.Ne5 Ne5 25.Be5 Be5 26.Rb1 Rd8 27.Nb3 Be4 0–1. Lange,Steffen – Scherfke,Frank, compuserve, 1996.

    5.Be5 d6 6.ab4 Ra1 7.Ba1 Qb4 =+.

    4.Nf3 ab4

    5.c3 bc3 6.Bc3 d6 7.e4 Bg4 8.h3 Bh5 9.g4 Bg6 10.e5 d5 11.Ng5 h6 12.Nf3 1–0. surftimm – "BruceWillis", playchess.de, 2001.

    5.Bd4 c5 6.Bc5!+/– Qc5 7.ab4.

    5.Bd4 c5 6.Bc5!+/– Qf6 7.Bd4 Qg6 8.ab4 Ra1 9.Ba1 e6 10.b5 Bd6 (10...d6!?+/–) 11.e3+– Nf6 12.Ne5 Qf5 13.Bd3 Ne4 (13...Qg5 14.Qf3 Qh4 15.Nc4+–) 14.f4 Be5 15.Be5 d6 16.Nc3 (16…de5 17.Ne4+– (17.Be4?! Qf6+–)) 1–0. marekt – coventrian, ChessWorld.net, 2003.

    5.Bd4 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.c4 Na6 9.Qb3 Qb6 10.b5 d6 11.Bf6 ef6 12.Nc3=.

    5.Bd4 Qc7 6.ab4 Ra1 7.Ba1 Nf6 8.c4 Na6 9.Qb3 Qb6 10.Bc3 Ne4!

    5.Bd4 Qc7 6.e4 Nf6 7.Bd3 e6 8.0–0 ba3 9.c4 b5 10.e5 Ng4 11.cb5 cb5 12.Bb5 Bb7 13.Qe2 Nc6 14.Qc4 f6 15.ef6 gf6 16.h3 Rg8 17.hg4 Rg4 18.Re1 Qd6 19.Bc5 Qc5 20.Qg4 Qb5 21.Nc3 Qc5 22.Reb1 Ba6 23.Ne4 Qe7 24.d4 Kd8 25.Qf4 e5 26.Qe3 d5 27.de5 de4 28.Qe4 Bb7 29.Nd4 Ra6 30.Qd5 Kc8 31.Rb7 Qb7 32.Rc1 Qd7 33.Qb5 Qb7 34.Qc4 Kb8 35.Nc6 Rc6 36.Qc6 Qc6 37.Rc6 Kb7 38.Rc2 fe5 39.Kf1 Kb6 40.Ke2 Kb5 41.Kd3 Kb4 ½–½. Poleschi,Ricardo – Hanegby,Avigdor, Eclipse, 2000.

    5.Bd4 Qc7 6.Be5 d6 7.ab4 Ra1 8.Ba1 Nf6 9.e3 e5 10.c4 Be7 11.d3 Nbd7 12.d4 0–0 13.Bc3 e4 14.Nfd2 d5 15.Qc2 dc4 16.Ne4 Ne4 17.Qe4 Nf6 18.Qc2 b5 19.e4 Qf4 20.f3 Bd6 21.Kd1 Rd8 22.Bd2 Qh4 23.e5 Bb4 24.Bb4 Nd5 25.Bd2 Qd4 26.Kc1 Qe5 27.Qb2 Qd6 28.Ba5 Re8 29.Bd2 Bf5 30.Nc3 Nc3 31.Bc3 c5 32.Qd2 Qa6 0–1. Haertig,Manfred – Schott,Detlef, ESC, 2001.

    5.ab4 Ra1

    6.Ba1 Qb4 7.Bc3 Qg4 8.h3 =+.

    6.Ba1 Qb4 7.Nc3 Nf6 8.e3 e6 9.Na2 Qa5 10.Bd3 Qa2 11.0–0 Be7 12.Nd4 Na6 13.Ba6 Qa6 14.Qe2 Qe2 15.Ne2 d5 16.Be5 Ne4 17.Ra1 f6 18.Bc7 Kd7 19.Bb6 Nd2 20.Ra8 Nc4 21.Nc3 Re8 22.Bd4 Bd6 23.Ba7 e5 24.Na4 Ke6 25.Nc5 Bc5 26.Bc5 Bd7 27.Ra7 b5 28.c3 d4 29.ed4 ed4 30.cd4 Kf5 31.h3 Be6 32.g4 Kg6 33.f4 h5 34.f5 Bf5 35.gf5 Kf5 36.Rg7 Re1 37.Kf2 Re8 38.Rc7 Ke6 39.Rc6 Kd5 40.Rf6 Re6 41.Rf5 Ke4 42.Rh5 Nd6 43.Rh4 Kf5 44.d5 Re5 45.Bd6 Rd5 46.Rh5 Ke6 47.Rd5 Kd5 48.Ba3 (time, 1–0). guest1404 – guest280, ICS blitz, 2000.

    6.Ba1 Qb4 7.e3 (--> 1.b4 c6 2.Bb2 a5 3.a3 ab4 4.ab4 Ra1 5.Ba1 Qb6 6.e3 Qb4 7.Nf3).

    6.Ba1 d6 7.e4 (7.c3 Nf6=) 7...e5 (7...Qb4 8.c4=+) 8.c3 (8.b5 Nf6 9.Nc3 Be7=) 8...Be7 (8...Nf6 9.Qc2=) 9.Bc4 (9.d4 Nf6=) 9...Nf6 10.Qc2 (10.Qe2 0–0=) 10...0–0 11.d4 d5 12.Bd3 (12.de5 dc4 13.ef6 Bf6=) 12...de4–/+ 13.Be4 ed4 14.Nd4 Re8 15.0–0 Bb4 (15...Ne4 16.Qe4 Bd7 17.Qf4=+) 16.Re1 (16.Bh7 Nh7 17.cb4 Qb4=+) 16...Re4–/+ 17.Re4 Ne4 18.Qe4 (18.cb4 Nd6 19.Qc3 f6=+) 18...Bd6 19.Nd2 (19.Qe8 Bf8 20.Nd2 Qc7–/+) 19...Bd7 20.Qb1 (20.Nc4!? Qa6 21.Nb3–/+) 20...Qb1–+ 21.Nb1 c5 22.Nf3 b5 23.Nbd2 c4 24.Nd4 Bc6 25.g3 Bc5 26.N2f3 Bf3 27.Nf3 Nc6 28.Kf1 f5 29.Ke2 Kf7 30.Bb2 b4 31.cb4 Bb4–+ 32.Ne5 Ne5 33.Be5 g5 34.Bd4 Ke6 35.f3 g4 36.fg4 fg4 37.Ke3 Kf5 38.Bb6 Ke5 39.Bd4 Kd5 40.Bg7 Bd6 41.Bc3 Be5 42.Bb4 Bd4 43.Kf4 h5 44.Kf5 c3 45.Bf8 c2 46.Bh6 Bb2 47.Kg6 Ke4 48.Kh5 Kf3 49.Kh4 c1Q 50.Bc1 Bc1 51.Kh5 Be3 (52.Kh4 Bf2–+; 51...Bd2 52.Kg6 Be1 53.Kf5–+) 0–1. Davis,David Neville – Peck,Alan Michael, IECG 7PSRR, 1995.

    6.Ba1 Nf6 7.Bf6 ef6 8.c3 Be7 9.e3 0–0 (9...d5 10.d4=) 10.Be2 (10.d4 d5+=) 10...d5= 11.0–0 Be6 12.Nd4 Nd7 (12...Bd6 13.Bd3=) 13.Ne6 (13.f4!? f5 14.Bd3+=) 13...fe6= 14.d4 e5 15.f3 (15.b5 Bd6=) 15...Kh8 16.Nd2 ed4 (16...Qc7 17.Bd3=) 17.ed4 Qc7 18.f4 f5 19.Qb3 (19.Bd3 g6=) 19...Nf6 20.Bf3? (20.g3!?=) 20...Ne4 (20...Qf4!? 21.Rf2 Bd6–/+) 21.Be4–/+ fe4 (21...de4?! 22.Nc4=) 22.g3 Bd6 0–1. tanto (1730) – rbeckett (2300), net–chess.com, 2003.

    5.Bd4 c5?

    6.Bc5 Qc5 7.ab4 Qf2 8.Kf2 Ra1 9.Qc1 Nf6 10.Qb2 Ra8 11.Nc3 e6 12.e4 d6 13.Bb5 Bd7 (13...Nbd7!?+/–) 14.Ra1+– Ra1 15.Qa1 Be7 (better is 15...Nc6+–) 16.Qa8 0–0 17.Qb7 Bb5 (17...Rd8 18.d4+–) 18.Qe7 (< 18.Qb5 Nbd7+–) 18...Bc6 19.Qd6 Be4 20.d3 Bf5 (20...Ba8 21.Ne5+–) 21.b5 h6 (21...Nbd7 22.Qc7+–) 22.b6 Nbd7 23.b7 Rb8 24.Qc7 Ng4 (24...e5 25.Qc8! Kh7 26.Ke3+–) 25.Kg3 e5 (25...Ngf6 26.Ne5 Rb7 27.Qb7 Ne5 28.Qb8 Kh7 29.Qe5+–) 26.h3 (26...Ngf6 27.Ne5+–) 1–0. Trkn – guest30, ICC, 2004.

    6.Bc5!+/– Qc5 7.ab4 Qf2 8.Kf2 Ra1 9.Qc1 Nf6 10.Qb2 Ra8 11.e3 e6 12.Nc3 Be7 13.b5 0–0 14.Bd3 d5 15.Ra1 Ra1 16.Qa1 Nbd7 17.h3 Nc5 18.g4 Nd3 (18...Bd6 19.g5 Nh5 20.Qa7+=) 19.cd3+/– Nd7 20.Qa5 Bd8 21.Qb4 Re8 22.g5 Be7 23.Qf4 f6 24.gf6 Bf6 25.Qd6 Nf8 26.Ne5 Ng6 27.Ng6 hg6 28.Kg2 d4 (28...Rd8 29.Qc7+–) 29.Ne4 de3 30.de3 Rf8 (30...Be7 31.Qc7+–) 31.Qc7 e5 32.b6 Kh8 33.Nd6 Be6 34.Qb7 Rd8 (34...Kg8 35.Qc6 Rd8 36.b7+–) 35.Nf7 Bf7 36.Qf7 1–0. marekt (1685) – opetuslapsi (1835), gameknot.com, 2013.

    6.Bc5 Qf6 7.Bd4 Qd6 8.Bc5 Qf6 9.d4 (9.c3 Nc6+=) 9...ba3 (9...Na6 10.ab4 d6 11.b5 dc5 12.ba6 Ra6 13.Ra6 ba6 14.c3=) 10.Ra3 d5?? (better is 10...Ra3 11.Ba3 d5+=) 11.Ra8+– Qf3 1–0. Levin,Anatoly – Van Beek,Arnaud, Internet Section, 2004.

    6.Bc5! Qc7

    7.Bb4 d6 8.Nc3 Nc6 9.e4 e5 10.Bb5 Bd7 11.Nd5 Qd8 12.0–0 Be7 (12...Nf6 13.Re1+–) 13.d4 ed4 14.Re1 Nf6 (14...Nb4 15.Bd7 Qd7 16.ab4 (16.Nb4?! Nf6+–) 16...Ra1 17.Qa1+–) 15.Bc6 (worse is 15.Nd4 Nd5 16.ed5 Nd4 17.Bd7 Qd7 18.Qd4 0–0+/–) 15...bc6 (15...Bc6 16.Nf6 gf6 17.Nd4+–) 16.Ne7 c5 (16...Ke7 17.e5 (17.Qd4?! c5 18.Bc5 dc5 19.Qc5 Ke8+=; 17.Nd4?! c5 18.e5 cb4 19.ef6 Kf6+–) 17...Nd5 18.Qd4+–) 17.e5 Ke7 18.ef6 Kf6 19.Bd2 h6 20.c3 dc3 (20...d3+–) 21.Bc3 Kg6 22.Qd6 Kh7 23.Re7 (23.Re7 Kg8 24.Rd7+–) 1–0. Hjortstam,Kurt – Hasler,Ulrich, email 4AMM–03, 1997.

    7.Bb4 Nc6

    8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 e6 11.e3 Nf6 (11...Bb4 12.Nd5 ed5 13.Qg7 Qc2 14.Qe5 Kf8 15.Qh8 Qc1 16.Ke2+–) 12.Qa4 Be7 13.Bd3 0–0 14.Nb5 Qb8 15.0–0 e5 16.Be2 e4 17.Nfd4 d5 18.f4 Bd7 19.Qb3 Rd8 20.Ra1 Qc8 21.Ra7 Bg4 22.Bg4 Qg4 23.Nc3 Qh4 24.Ra1 g6 (24...Ng4 25.h3 (25.Nd5?? Qh2 26.Kf1 Qh1 27.Ke2 Qg2 28.Ke1 Qf2 29.Kd1 Qf1) 25...Qf2 26.Kh1+=) 25.h3+/– Kg7 26.Qa4 h5 27.f5 g5 28.Qb5 g4 29.Kh1 Bd6 30.Nce2 Qf2 31.h4 Qh4 32.Kg1 Qh2 33.Kf1 Qh1 34.Ng1 h4 (35.Nde2 Rc8–/+) 0–1. Kuhlmann,AEJ – Van der Bergh,JS, corr, 1990.

    8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.Qa4 A) 11...e5 12.Nb5 (12.e4 Bd6 13.Nb5 Qc6 14.Nd6 Qd6+/–; 12.e3 b6 13.Nb5 Qb8 14.Be2 e4+/–) 12...Qb8 13.Qa7 Qa7 14.Na7 e4+–; B) 11...b6 12.e4 (12.e3 e6 13.Nb5 Qd8 14.Be2 Be7+/–; 12.Nb5 Qb8 13.e3 e5 14.Be2 Be7+/–) 12...Bb7 13.Qa7 Qc8 14.Bd3 Qa8+–; C) 11...Qc6 12.Qb3 (12.b5 Qc7 13.e3 e6 14.Be2 b6+/–; 12.e3 e6 13.Nb5 b6 14.Ne5 Qb7+/–; 12.Nb5 d6 13.e3 Bd7 14.Qa8 Qc8+/–) 12...Qa6 13.e3 Qa1 14.Nd1 e6+/–.

    8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.Nb5 Qd8 (11...Qc4 12.Qa4 Nd5 13.c3+/– Nb6 14.Qa5 Nd5+–; 11...Qc6 12.Nfd4 (12.e3 b6 13.c4 e6 14.Ne5 Qb7+/–) 12...Qb6 13.Qa8 Kd8 14.Na7 Qc7+/–) 12.Qc3 (12.Qa5 Qa5 13.ba5 d5 14.e3 e6+/–; 12.e4 e6 13.e5 Nd5 14.c3 Be7+/–; 12.Qa8 d6 13.Na7 Bf5 14.Qb7 Qd7+–) 12...d6 13.e4! (13.e4 e6 14.Nc7 Ke7 15.Bd3+–) 13...e6 14.Nc7 Ke7+– 1–0. garcia2102 (2040) – the_caboose (2240), gameknot.com, 2015.

    8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.e3 A) 11...b6 12.Ba6 (12.Qa8 Qb7 13.Qa4 e6 14.Be2 Qc6+/–) 12...Ba6 13.Qa6 e6 14.Qa8 Qd8+/–; B) 11...Qd6 12.Qa8 (12.Qa5 b6 13.Qa8 Qc6 14.Qb8 Qb7+/–; 12.b5 Qc7 13.Qb2 b6 14.Be2 e5+/–; 12.Qa4 e6 13.b5 Be7 14.Bd3 b6+/–) 12...Qc7 13.Nb5 Qd8 14.Na7 e6+–; C) 11...e6 12.Qa4 (12.Nb5 Qd8 13.c3 Be7 14.Be2 0–0+/–; 12.Qb2 Qd6 13.b5 Qb6 14.Be2 d5+/–; 12.Qb1 Qb6 13.Bb5 Qd6 14.Na2 b6+/–) 12...Qd6 13.b5 Qc7 14.Be2 b6+/–.

    8.Nc3 Nb4 9.ab4 Ra1 10.Qa1 Nf6 11.e4 A) 11...e5 12.Nb5 (12.Bd3 Bb4 13.Nb5 Qb8 14.0–0 0–0+=; 12.Qa4 Bd6 13.Nb5 Qc6 14.Nd6 Qd6+/–; 12.Qa5 b6 13.Qe5 Qe5 14.Ne5 Bb4+/–) 12...Qc2 13.Qe5 Be7 14.Nd6 Kf8+/–; B) 11...b6 12.Ba6 e5 13.Bc8 Qc8 14.Qa4 Bd6+–; C) 11...e6 12.Qa4 Ng4 13.Qb5 b6 14.Qg5 Nh6+/–.

    8.Nc3 d6 9.e4 Nf6 10.Bb5 Bd7 11.0–0 e6 12.Re1 Be7 13.Qb1 0–0 14.e5 de5 15.Be7 Ne7 16.Ne5 Bc6 17.Bc6 bc6 18.Qd1 Rfd8 19.Qe2 Qd6 20.Nc4 Qc5 21.d3 Nf5 22.Qe5 Nd5 23.Ne4 Qe7 24.Reb1 f6 25.Qb2 e5 26.a4 Nd4 27.c3 Nf5 28.a5 Nf4 29.Qb3 Kh8 30.Nb6 Ra7 31.Qc4 Nd3 32.Qc6 Rc7 33.Qb5 Nf4 34.g3 Qf7 (34...Nh3 35.Kg2 Qe6 36.a6 Nh4 37.gh4 Nf4 38.Kg1 Nh3 39.Kf1+=) 35.gf4 Qg6 36.Ng3 Nh4 37.Rd1 Rf8 38.Nd5 Rcc8 (38...Ra7 39.Qe2+–) 39.Ne7 (39…Nf3 40.Kg2 Nh4 41.Kf1+–) 1–0. b4_player (1985) – Didier (2105), GameColony.com, 2002.

    5.Bd4 Qc7

    6.e4 Nf6 7.Bd3 e6 8.0–0 ba3 9.c4 b5 10.e5 Ng4 11.cb5 cb5 12.Bb5 Bb7 13.Qe2 Nc6 14.Qc4 f6 15.ef6 gf6 16.h3 Rg8 17.hg4 Rg4 18.Re1 Qd6 19.Bc5 Qc5 (< 19...Rc4 20.Bd6 Bd6 21.Bc4+/–) 20.Qg4 Qb5 21.Nc3 Qc5 22.Reb1 Ba6 23.Ne4 Qe7 24.d4 Kd8 25.Qf4 e5 26.Qe3 d5 27.de5 de4 28.Qe4 Bb7 29.Nd4 Ra6 30.Qd5 Kc8 31.Rb7 Qb7 32.Rc1 Qd7 33.Qb5 Qb7 34.Qc4 Kb8 35.Nc6 Rc6 36.Qc6 Qc6 37.Rc6 Kb7 38.Rc2 fe5 39.Kf1 Kb6 40.Ke2 Kb5 41.Kd3 Kb4 ½–½. Poleschi,Ricardo (2365) – Hanegby,Avigdor (1980), 2. Tarrasch in Memoriam, 2000.

    6.Be5 d6 7.ab4 Ra1 8.Ba1 Nf6 (8...Qb6 9.c3=) 9.e3 (9.Bf6 ef6 10.e3 d5=) 9...e5 10.c4 (10.Be2 e4 11.Nd4 d5+=) 10...Be7+= 11.d3 Nbd7 (11...0–0 12.Be2+=) 12.d4 (12.Be2 b6=) 12...0–0 (12...e4 13.Nfd2+=) 13.Bc3 (13.Qc2 e4 14.Nfd2 d5=) 13...e4 14.Nfd2 d5 15.Qc2 (15.c5 b6+=) 15...dc4 16.Ne4 Ne4 17.Qe4 Nf6 18.Qc2 b5 19.e4 Qf4 20.f3 Bd6 21.Kd1 (21.e5 Re8–/+) 21...Rd8 (21...Qh4 22.Be1 Qh5 23.g4–/+) 22.Bd2 Qh4 23.e5 Bb4 24.Bb4 Nd5 25.Bd2 Qd4 26.Kc1 Qe5 27.Qb2 Qd6 28.Ba5 Re8 29.Bd2 Bf5 30.Nc3 Nc3 (30...Ne3 31.Nd1 Nf1 32.Rf1–+) 31.Bc3 (31.Qc3 Rd8 32.g4 Bg6–+) 31...c5–+ 32.Qd2 Qa6 (32...Qa6 33.g4 Bg6–+) 0–1. Haertig,Manfred – Schott,Detlef, DESC, 2001.

    6.ab4 Ra1

    7.Ba1 Na6 8.b5 (8.Na3 Nf6 9.Qb1 Qb6 10.b5 Nc5 11.Nc4 Qc7 12.Bd4 d6 13.e3 Bf5 14.Be2; 8.Bc3 Nf6 9.Na3 Nd5 10.e4 Ndb4 11.Be2 d5 12.Ba6 Na6 13.ed5 cd5 14.Nb5; 8.c3 Nf6 9.d4 g6 10.Nbd2 Bg7 11.e3 0–0 12.Bd3 d6 13.0–0 Bd7 14.Bb2) 8...cb5 (8...Nc5 9.Bd4 Ne6 10.Bb2= Nf6 11.Nc3 g6 12.Ne4 Bg7 13.Nf6 Bf6 14.Bf6) 9.Nc3 Qa5 10.e4 (10.e3 b4 11.Nb5 d6+= 12.Bc4 Bd7 13.Nbd4 Nf6 14.0–0) 10...b4 (10...Nf6 11.e5 Nb4 12.Bb2 Nfd5 13.Nd4 Nc3 14.Bc3) 11.Nb5 (11.Nd5 Nf6 (11...e6 12.Ne3 Nf6 13.Nc4 Qc5 14.e5) 12.Bf6 gf6= (worse is 12...ef6 13.Nd4+= Nc5 14.Nb5) 13.Nd4 e6 14.Nf6) 11...d6 (11...Nc5 12.e5 d5 13.ed6 Nf6 14.Nc7) 12.Nbd4 (12.Bc4 Bd7 13.Nbd4 b5= (13...Nf6 14.e5) 14.Bd5) 12...Nf6 (12...Bd7 13.Bc4 Nf6 14.e5) 13.Nb3 (13.Bb5 Bd7 14.Bd7) 13...Qb6 14.Bc4 (14.Bd3= 0.01) 14...e6 (14...Ne4 15.Bd4 Qc7 16.Qe2=) 15.e5 (15.Qe2 Nc5 16.Bd4 A) 16...Nfe4? 17.Qe4 d5 18.Qe3 dc4 19.Nc5+– (19.Bc5?! Qc6 20.Bf8 cb3 21.Qb3 Qe4 22.Qe3 Qe3 23.fe3 Rf8=); B) 16...Qd8+=) 15...Ne4= 16.Qe2 (16.Bd4 Qc7 17.Bb5 Bd7 18.Bd7 Qd7=) 16...d5 17.Bb5 Bd7 18.Bd7 Kd7 19.0–0 Be7 20.Nfd4 (20.Bd4 Nac5=) 20...Nac5+= 21.Qg4 Rc8 22.d3 Nb3 23.Nb3 Nc3 24.Bc3 Rc3–/+ 25.Qg7 Rc2 26.d4 Rc3 27.Nc5 Bc5 28.dc5 Qc5 29.Qf7 Qe7 30.Qf4 Kc6 31.g3 Kb5 32.Ra1 Qc5 33.Kg2 d4 34.Kh3 Qd5 0–1. Hoch,Hubertus (2325) – Krauss,Heiko (2470), RSLE–2010 –2010.

    7.Ba1 d6 8.e3 (8.e4 Nf6 9.Nc3 Na6 10.Ba6 ba6 11.0–0 a5 12.Qb1 ab4 13.Qb4 e5 14.Bb2; 8.Nc3 Nf6 9.e4 Qb6 10.b5 Nbd7 11.Bc4 Qc5 12.Qe2 d5 13.ed5 cd5 14.Bd3; 8.Na3 Na6 9.c3 Nf6 10.e3 e5 11.Bb2 Be7 12.Qa4 0–0 13.Ba6 ba6 14.Nc4; 8.Bb2 Na6 9.b5 Nc5 10.Nc3 Nf6 11.e3 g6 12.Qa1 Bg7 13.Qa7 Qd7 14.Be2; 8.Bc3 Nf6 9.e3 Na6 10.Ba6 ba6 11.0–0 c5 12.bc5 Qc5 13.Bd4 Qb4 14.d3) 8...Na6 9.b5 Nc5 10.Bd4 Nf6 11.Nc3 e5 12.Bc5 dc5 13.Bd3 Bd6 14.0–0.

    7.Ba1 Qb6

    8.c3 d5

    9.e3 Nf6 10.b5 e6 11.bc6 bc6 12.c4 Be7 (12...Nbd7 13.cd5 ed5 14.Bd4=) 13.Be2 0–0 14.0–0 Nbd7 15.Qc2 Ba6 16.d3 Qc7 17.Nbd2 c5 18.Rb1 h6 19.Bc3 Ra8 20.h3 Ne8 (20...Bd6 21.Ra1=) 21.Ra1 (21.cd5 ed5 22.e4 Bf6=) 21...Bb7= 22.Ra8 Ba8 23.Bf1 Bb7 24.cd5 ed5 25.d4 c4 26.e4 Nd6 27.ed5 Bd5 28.Bb4 Nb6 29.Ba5 Qc6 30.Bb6 Qb6 31.Nc4 Nc4 32.Bc4 Bf3 33.Qf5 Bf6 34.Qf3 Qd4 ½–½. Buczinski,Henryk (2165) – Van Der Ploeg,Geert Roelof (2290), SM–2011–0–00177, 2011.

    9.e3 Nf6 10.d4 Bf5 11.Bd3 Bd3 12.Qd3 g6 13.0–0 Bg7 14.Nbd2 0–0 15.Bb2 Qa6 16.c4 dc4 17.Nc4 Qb5 18.Nce5 Qd3 19.Nd3 Na6 20.Ra1 Nd5 21.Ra4 Ra8 22.h4 e6 23.Nc5 Ndb4 24.Nb7 Rb8 25.Nd6 c5 26.Ng5 cd4 27.ed4 Nc7 28.Ngf7 Nc2 29.Rc4 Rb2 30.Rc7 Nd4 31.Rc8 Bf8 32.Ne5 Rc2 33.Ra8 Rc7 34.Kh2 Nc6 35.Nc6 Rc6 36.Ne4 Rc4 37.f3 h6 38.Ra7 Bg7 39.Re7 e5 40.Kg3 Rc8 41.Ra7 Rf8 42.Kf2 Rf7 43.Ra8 ½–½. Rosner – Schott, email 1999.

    9.e3 Bg4 10.d4 Qa7 11.Nbd2 Nf6 12.Bd3=.

    9.g3 Qa7 10.Bb2 Bf5 11.d3 Qa2 12.Qc2 Nf6 13.Bg2 e6 14.0–0 Qa6 15.Nbd2 Bd6 16.e4 Bg6 17.Ra1 Qb6 18.c4! de4 19.c5 Qd8 20.de4 (20.cd6 ef3) 20...Bc7 (20...Be7!) 21.Ne5 (21.Ra7! b5 22.Bf6 gf6 23.Qb2 Bh5 24.Qc3 Rg8 25.h3 Kf8 26.Qe3 Kg7 27.e5!+–) 21...0–0 (21...Be5 22.Be5 0–0 23.Ra8 Nfd7 24.Bd6 Re8 25.Qc3+–) 22.Ra8 (22.Ng6 hg6 23.Nf3 Na6 24.Ra4 Qd7 25.e5 Nd5 26.Qb3+/–) 22...Nfd7 23.Ng6 hg6 24.Nc4 Nf6 (24...b6 25.Qc3 Nf6 26.Qf3 b5 27.e5 Nd5 28.Nd6+/–) 25.Bc3 b5 26.cb6 Bb6 27.Qb2 Qd1 28.Bf1 Bc7 29.Bf6 gf6 30.Qf6 Nd7 31.Qa1 (31.Rf8 Kf8 32.Qc3 c5 33.bc5 Nc5 34.Na5 Qa4 35.Nc4) 31...Qa1 32.Ra1 Ne5 33.Ra6 Rb8 34.f4 Nc4 35.Bc4 Rb4 36.Rc6 Bb6 37.Kg2 Rb2 38.Kf3 Kg7 39.e5 Bg1 40.h4 Rc2 41.Bb5 Rc6 42.Bc6 Bc5 43.g4 f6 (43...Bg1 44.h5 Bd4 45.Be8 gh5 46.gh5 f6 47.ef6 Bf6 48.Kg4 Bd4 49.Bc6 Kh6 50.Be4 Bf6 51.Bg6 Bd4=) 44.ef6 Kf6 45.Be8 Kg7 46.g5 Be7 47.Ke4 Bd6 48.Bb5 Kf7 49.Bc4 Ke7 ½–½. Rosner,Dirk – Sternik,Ryszard, corr 3GMM ½ gr.05, 1999 (Sternik).

    9.g3 Nf6!?

    7.Ba1 Nf6

    8.Na3 Na6 9.Qb1 Nd5 10.e4 Nf6 11.Bd3 Qf4 12.Be5 Qg4 13.0–0 d6 14.h3.

    8.b5= d6 9.Nc3 Nbd7 10.e3 Nc5 11.Be2 g6 12.0–0 Bg7 13.d4 Nce4 14.Ne4.

    8.Bd4 d6 9.Na3 Na6 10.b5 Nb4 11.c3 Nbd5 12.bc6 bc6 13.c4 Nf4 14.g3.

    8.e3 Na6 9.Ba6 ba6 10.Na3 c5 11.bc5 Qc5 12.Nb1 d6 13.0–0 a5 14.Bd4.

    8.e3 d6 9.Bf6 ef6 10.c4 Be7 11.Be2 0–0 12.0–0 Be6 13.d4 d5 14.c5 b5 15.Nc3 Na6 16.Qb1 Ra8 17.Bd3 g6 18.Qb2 Bg4 19.Nd2 Nb8 20.Ra1 Ra1 21.Qa1 Be6 22.h3 Bd8 23.Qa8 Qc8 24.Nb5 cb5= 25.Bb5 f5 26.Nf3 Bc7 27.Ng5 Qd8 28.Ne6 fe6 29.Ba4 f4 30.e4 f3 31.Qb7 de4 32.Bb3 Kg7 33.b5 e5 34.Bc4 Nd7 35.b6= Qg5 36.g3 Qc1 37.Bf1 e3 38.Qf3 Bd8 39.b7 ed4+= 40.Qg4 Nb8 41.Qd4= Bf6 42.Qe3 Qe3 43.fe3 Be7 44.c6 Bd6 45.Bb5 Bg3 46.Kg2 Bc7 47.Kf3 Kf6 48.h4 h6 49.Kg4 Bb6 50.Kf4 Ke6 51.Bd3 Nc6 52.Bg6 Kd6 53.Be8 ½–½. Hoch,Hubertus (2210) – Bujdak,Pavel (2055), corr WC15/WS57 ICCF, 2006.

    5.Bd4 Qd8

    6.ab4 Ra1

    7.Ba1 Qb6 8.c3 Nf6 9.d3 d5 10.Nbd2 Nbd7 11.e4 e5 12.Be2 Bd6 13.0–0 0–0 14.Bb2 Re8 15.Qc2 Nf8 16.h3 (16.c4 de4 17.de4 c5=) 16...Ne6 17.Ra1 Nf4 18.Bf1 Qc7 19.Kh2 Ng6 20.g3 b6 21.Bg2 h6 (21...Be6 22.Ng5=) 22.Ra8 (22.d4 Bd7=) 22...Rd8 23.d4 ed4 24.Nd4 Nh4 25.Bf1 Be5 (25...Ng6 26.f4 c5 27.Nb5+–) 26.Kg1 Bg3 27.fg3 Qg3 28.Kh1 Qf2 29.Qd1 de4 30.Qe2 (30.Nc6 Rd2 31.Rc8 Kh7 32.Rh8 Kh8 33.Qd2 Qf1 34.Kh2 Nf3 35.Kg3 Qg1 36.Qg2 Nh5 37.Kg4 Qg2 38.Kh5 Qh3) 30...Qe2 31.Ne2 Rd2 32.Rc8 Kh7 ½–½. Coltharp,Cameron – Woelfelschneider,Peter, email 4AMM–F, 1998.

    7.Ba1 d5 8.e3 Nf6 9.Be2 Bg4 10.h3 Bf3 11.Bf3 e6 12.c3 Bd6 13.Bb2 Nbd7 14.d3 0–0 15.Nd2 Qb6 16.Qa4 c5 17.b5 Qc7 18.c4 Be5 19.Be5 Qe5 20.Qa3 b6 21.0–0 Rd8 22.Be2 h6 23.Ra1 Qd6 24.g3 Qe5 25.Ra2 Qf5 26.Kg2 Re8 27.Ra1 Qe5 28.Bd1 ½–½. Rosner,Dirk – Markus,Roland, 8.CH CiF, 2000.

    7.Ba1 Nf6 8.e3 d6 9.Nc3 e5 10.Be2 e4 11.Nd4 d5 12.Qb1 Qb6 13.b5 Bd6 14.Na4 Qa5 15.bc6 Qa4 (worse is 15...Nc6 16.Nb6 Nd4 17.Bd4+=) 16.cb7 Bd7 17.Nf5 Bf8 18.Be5 Qa7 19.Bb5 Qc5 20.Bd7 (20.Bb8!? Qb5 21.Qb5 Bb5 22.Be5+=) 20...Nfd7= 21.Ng7 Bg7 22.Bg7 Rg8 23.Bd4 Qa5 24.0–0 Qd2 25.g3 Rg5 26.c3 (26.c4 Qa5+= (worse is 26...dc4 27.Qe4 Kf8 28.Qh4+/–)) 26...Qe2–/+ 27.Ba7 Qc4 28.Bb8 Nb8 29.Qb2 f6 30.Ra1 Kf7 31.h4 Rg8 32.Ra8 Re8 33.Qa3 Rd8 34.Kg2 Ke6 (34...Qc7 35.Qa5 Qd7 36.Qa4–/+) 35.Ra4 (35.Qa5 Rg8+=) 35...Qb5 36.Rb4 Qc6 37.Qb3 Ke7 38.c4 f5 (38...d4 39.ed4 Rd4 40.Qe3=) 39.Qc3 Kf7 40.Qe5 Qe6 (40...dc4 41.Qf5 Ke8 42.Rb5+–) 41.Qc7 Qd7 42.Qf4 Rf8 43.h5 (43.Rb5 Kg8 44.Rd5 Qb7 45.Rf5 Rf5 46.Qg4 Kh8 47.Qf5 Nd7+/–) 43...Kg8= 44.c5 Qd8 45.h6 Rf7 46.Rb6 Qc7?? (better is 46...d4+–) 47.Qg5 Kh8 (47...Kf8 48.Rd6 Qd6 49.cd6 Rd7 50.Qf5 Ke8 51.Qe6 Kf8+–) 48.Rd6 (48.Re6 Rf8 49.Re7 Qe7 50.Qe7 Rg8 51.Qf6 Rg7 52.Qg7) 48...Rf8 49.Rd5 f4 50.Rf5 Rf5 51.Qf5 1–0. Wall,Bill – Barakat,Diya, chess.com, 2011.

    4.Nf3 c5

    5.Nc3 ab4 6.ab4 Ra1 7.Ba1 Qb4 8.Nd5 =.

    5.Nc3 cb4 6.Nd5 +=.

    5.bc5?? Qb2 6.Nc3 e5 +/–.

    5.bc5?? Qc5?? 6.Nc3 Nf6+= 7.e3 d5 8.Na4 (8.Bb5 Bd7 9.Rb1 e6+=) 8...Qc6 9.Qb1 (9.c4 Bd7 10.Nc3 dc4=) 9...Qa4 (9...Nbd7 10.Bd4 e6 11.Bb5+/–) 10.Bf6+= Qe4 11.Qb5 Nc6 12.Bc3 e6 13.h3 Bd7 14.Bd3 Nd8 15.Qb2 Qa4 16.Bg7 Rg8 17.Bf6 h6 18.0–0 Be7 19.Bh7 1–0. Kuhlmann,AEJ – Mack,Guenter, CiF, 1995.

    5.bc5?? Qc5?? 6.Bd4 Qf5 +/–.

    5.bc5 Qc5 6.e4 Nf6 7.Bf6 gf6 8.c4 d6 9.d4 Qc6 10.Nc3 Nd7 11.Rb1 b6 12.Qa4 Qa4 13.Na4 Rb8 14.Bd3 e6 15.0–0 d5 16.ed5 Ba3 17.Rfe1 Ke7 18.de6 fe6 19.Bf5 e5 20.Bd7 (20.de5 Bb4 21.Nd4 A) < 21...fe5 22.Nc6 Kf6 23.Bd7 Bd7 24.Nb4 (< 24.Nb8 Ba4 25.Rb4 ab4=) 24...Ba4 25.Nd5 Kf5 26.Rb6 Rb6 27.Nb6+/–; B) 21...Be1? 22.Nc6 Ke8 23.Nb8+– (23.Re1?! Rb7+=); C) 21...Ne5=) 20...Bd7 21.Nb6 Be6 22.Rb5 Bb4 23.Rb1 e4 24.R1b4 ab4 25.Nd2 Rhd8 26.d5 Rd6 27.c5 Rbb6 28.cd6 (< 28.Rb6 Rb6 29.cb6 Bd5=+) 28...Rd6 29.Rb4 Rd5 30.Rb2 f5 31.Kf1 Kf6 32.Ke2 h5 33.Ke3 Ra5 34.Kf4 h4 35.g3 h3 ½–½. Amadio,Giancarlo – Luise,Massimo, FSI – Torneo dell'Anniversario, 2000.

    4.Nf3 d5

    5.Bd4 Qc7 6.Be5 Qd8 7.ba5 Qa5 8.Bc3 Qa4 9.e3 Nf6 10.Be2 Bf5 11.Ra2 Nbd7 12.Rb2 e6 13.Nd4 Bg6 14.Rb7 e5 15.Nb3 Qe4 16.0–0 Qc2 17.Qc2 Bc2 18.f3 Bd6 19.Re1 Bb1 20.Rb1 0–0 21.Bd3 Ra3 22.Bf5 Nb8 23.Na5 Ra2 24.Nb3 Re8 25.Nc1 Ra8 26.Nd3 g6 27.Bh3 Nh5 28.g3 Ng7 29.Kh1 Nh5 30.e4 de4 31.fe4 Nf6 32.Rf1 Ne4 33.Rff7 Nc3 34.Rg7 Kh8 35.Rh7 Kg8 36.Rhg7 Kh8 37.dc3 e4 38.Rg6 1–0. Hassim – Sutton, email 4AMM–09 1997.

    5.e3 (--> 1.b4 c6 2.Bb2 d5 3.e3 Qb6 4.a3 a5 5.Nf3).

    4.Nf3 d6

    5.c3 Nf6 6.e3 e5 7.d3 (7.Be2 e4 8.Nd4 Be7=) 7...Be7 (7...ab4 8.ab4 Ra1 9.Ba1=) 8.Be2 (8.Nbd2 ab4 9.ab4 Ra1 10.Qa1 Qc7=) 8...ab4 9.ab4 Ra1 10.Ba1 0–0 11.0–0 (11.Nbd2 Bg4=) 11...Bg4 12.Nbd2 Nbd7 (12...Nbd7 13.h3 Bf3 14.Nf3 Ra8=). Khayman,Daniel (1640) – Lopez,Victor (1625), FICGS, 2007.

    5.Bd4 Qc7 6.ba5 Nd7 7.Bc3 e5 8.d4 e4 9.Nfd2 d5 10.e3 Bd6 11.Bb4 Ne7 12.c4 Nf6 13.h3 Nf5 14.Qb3 0–0 15.cd5+= White gets strong initiative 15...cd5 16.Nc3 Be6 17.g4+/– Bb4 18.ab4 Ne7 19.Rc1 Kh8 20.Be2+/– Ne8 21.Rc2 Qb8 22.Na4 Qd8 23.Nb6 Rb8 24.Rc5 Qd6 25.Nb1 f5 26.Nc3 Nc7 27.gf5 Nf5 28.Nbd5 Nd5 29.Nd5 Ne3 30.Qe3 Bd5 31.Rg1 Bg8 32.Rg4 b6 33.ab6 Rb6 34.b5 Qd8 35.Re4+– White gets strong play along the open e–file 35...Rbf6 36.f4 h6 37.Re7 Qa5 38.Qc3+– Qa2 39.Qd2 Qb1 40.Rc1 Qg6 41.Qd3 Qg2 42.Rcc7 Rf4 43.Qe3 Rf1 44.Kd2 Ra8 45.Rg7+/– Ra2 46.Kc3 Ra3 47.Kb4 Qg7 48.Rg7 Re3 49.Rg8 Kg8 50.Bf1 Kf7 51.b6 Rf3 52.Bb5 Ke7 53.b7 (53...Rf8 54.Kc5+–) 1–0. Kuhlmann,AEJ – Blees,P, corr, 1993.

    4.Nf3 Nf6

    5.Bd4 Qc7 6.c4 d6 7.Bf6 ef6 8.Nc3 ab4 9.ab4 Ra1 10.Qa1 d5 11.c5 Be7 12.d4 0–0 13.e3 b6 14.Bd3 Bg4 15.0–0 Bf3 16.gf3 Nd7 17.Qa4 Rb8 18.Ra1 bc5 19.bc5 Nf8 20.Na2 Qd7 21.Nb4 Rc8 22.Qa7 Rc7 23.Qb6 Rb7 24.Qc6 Rb4 25.Qd7 Nd7 26.Ra7 Nc5 27.Ra8 Bf8 28.dc5 Rb3 29.Bh7 Kh7 30.Rf8 Rc3 31.Rc8 Kg6 32.Rc7 f5 33.Rc6 f6 34.f4 Rc4 35.Kg2 d4 36.ed4 Rd4 37.Kg3 Rd3 38.f3 Rc3 39.Rc7 Rc2 40.c6 Kh6 41.h3 Kg6 42.h4 Kh7 43.Kh3 Rf2 44.Rc8 Rf3 45.Kg2 Rf4 46.c7 Rc4 47.h5 Rc3 48.Kf2 f4 49.Ke2 f5 50.Kf2 ½–½. Woelfelschneider – Kagel, VCC 0012, 2000.

    5.Bd4 Qd8 +=.

    5.e3 ab4 6.a4 d5 7.Bd4 c5–/+ 8.Be5 Nbd7 9.Bb5=+ e6 10.c3 Be7 11.0–0 0–0–/+ 12.h3 Ne5–+ 13.Ne5 Bd6 14.d4–/+ Be5 15.de5 Ne4 16.cb4 cb4 17.Nd2 Nc3 18.Qb3 Nb5 19.ab5 Ra1 20.Ra1 Qb5 21.Ra4 Qc6 22.Kh2 f6 23.ef6–/+ Rf6 24.Rb4? Rf2–+ 25.Nf3?? Qd6 26.Kg1?? Qg3 27.Ne1 Re2 28.Rg4 Re1# 0–1. wlittle (2100) – rbeckett (2245), net–chess.com, 2005.

    5.e3 d5 6.b5 (6.Bd4 Qc7=) 6...Nbd7 (6...Bg4 7.Nc3=) 7.a4 (7.Be2 e6=) 7...e6 8.Be2 (8.c4 Bb4=) 8...Be7 (8...Bd6 9.d4=) 9.0–0 0–0 10.d4 Ne4 11.Nbd2 f5 (11...cb5 12.ab5 Qc7 13.c4+=) 12.c4+= cb5 (12...Qd8 13.c5+=) 13.ab5 Nd2 (13...Bb4 14.Ba3 Ba3 15.Ra3 dc4 16.Qa4+=) 14.Qd2+/– dc4 15.Bc4 Nf6 16.Rfd1 (16.Ba3 Ne4 17.Qd3 Nd6+/–) 16...Rd8 (16...Ne4 17.Qd3+=) 17.Qd3 Kf8 (17...Ne4 18.Nd2 Nd6 19.Ba3+/–) 18.Qb3 (18.Rdc1 Nd5+/–) 18...Nd5 19.Nd2 (19.Ne5 Kg8+/–) 19...Bb4 (19...Kg8 20.Ra4+=) 20.Ba3+/– Ba3 21.Ra3 Qd6 22.Nf3 b6+= 23.Ne5 Bb7 24.e4 Nf6?? 25.ef5 ef5 26.Nf7+– Qf4 27.Nd8 Rd8 28.Qe3 Qg4 29.f3+– Qh4? 30.Qe6 Bd5 (30...Nd5 31.Qf5 Qf6 32.Qh7+–) 1–0. Mrozinski,W – Mallach,H, Germany, 1996.

    5.e3 d5 6.Bd4 Qc7 7.Be2 Nbd7 8.ba5 Ra5 9.Bc3 Ra8 10.d4 e6 11.0–0 b6 12.Bb2 Bd6 13.c4 Ba6 14.cd5 Be2 15.Qe2 ed5 16.Rc1 0–0 17.Qc2 Rfc8 18.Qf5 (18...Ra5 19.Nbd2=+). Vetter,Udo – Hasek,Frantisek, TT–16 ETC, 2005.

    5.e3 d6 6.Bf6 ef6 7.b5 =.

    3.a3 c5

    4.c3 a5 (--> 1.b4 c6 2.Bb2 a5 3.c3 Qb6 4.a3 c5).

    4.c3 c4 5.e3 d5!? =.

    4.c3 d5 5.e3 Bf5 6.d4 c4 7.Ne2 Nf6 8.Ng3 Bg4 9.f3 Be6 10.Be2 g6 11.Nd2 Bg7 12.e4 de4 13.fe4 0–0 14.Nc4 Bc4 15.Bc4 Rc8 16.Bb3 Qc6 17.0–0 Ne4 18.Rf7 Ng3 19.Rf6 Kh8 20.Rc6 Nc6 21.hg3 Rf8 22.Qe2 Rae8 23.Ba4 e6 24.Qe4 Rf6 25.d5 Nb8 26.Be8 1–0. Bonetti,Shane – checkitowt, ICC, 2002.

    4.Nc3 e6? 5.Na4 Qb5 6.Nc5 Bc5 7.Bg7. Myers.

    4.bc5 Qb2 5.Nc3+/– e5 6.e3 Bc5 7.Na4 Qa3 (better is 7...Qa1!? 8.Qa1 Bd6+–) 8.Ra3 Ba3 9.Qa1 Bd6 10.Nb6! ab6 11.Qa8 Nf6 12.Qa7 Bc7 13.Qa3 Na6 14.Nf3 Nc5 15.d4 ed4 16.ed4 Nce4 17.Ne5 Nd6 18.Nc4 (18.Bd3 0–0+–) 18...Nb5 (18...Nc4 19.Bc4 d5 20.Bb5 Kd8 21.f3+–) 19.Qb2 (19.Qb2 Na7 20.d5+–) 1–0. forsetinn (1780) – chirhou (1620), gameknot.com, 2013.

    4.e3 cb4 5.Bd4 Qd6 6.ab4+= Qb4 7.c3 Qd6 8.Ra7 Ra7 9.Ba7 Nc6 10.Bb6 Nf6 11.Nf3 g6 12.d4 Nd4?? 13.Qd4 (13...Qd4 14.cd4+–; 13.Bd4 Bg7+–) 1–0. Wall,Bill – Beyond, Internet, 2003.

    4.Nf3 Nc6 5.Nc3 cb4 6.Nd5 Qa5 7.e4 e6 8.ab4 Qd8 9.b5 (9.Qe2!?+=) 9...ed5+= 10.bc6 de4 11.cd7 Bd7 12.Ne5 Nf6 13.Nd7 (13.Bc4!? Be6 14.Bb5 Nd7 15.Qe2+=) 13...Qd7+= (worse is 13...Nd7 14.Qg4+=) 14.Ra5 0–0–0 (14...Qc7 15.Bb5 Kd8 16.Ra4=) 15.Bb5 (15.Ra7!? Bb4 16.Ra8 Kc7 17.Be5 Bd6 18.Ra5+=) 15...Qf5+= 16.Qe2 (16.Bf6 gf6 17.g4 Qd5–/+) 16...Kb8 (16...a6 17.Bf6 Qf6 18.Ba6 ba6 19.Ra6–/+) 17.Bc3 Bc5 (17...Nd5 18.Bd4 b6 19.Ba4–/+) 18.0–0 (18.Bc4 Ng4 19.0–0 b6+=) 18...Bb6 (18...Nd5!? 19.Ra4 Nc3 20.dc3 a6–/+) 19.Ra4= h5 (better is 19...Ng4=) 20.Ba5?? (better is 20.Bf6 gf6 21.Re4 Rd2 22.Qd2 Qe4 23.Re1=) 20...Ba5–+ 21.Ra5 a6 22.Rb1 Rd5?? (better is 22...Qe5–+) 23.Ra6!+– Kc7 (23...ba6 24.Bd7 Double attack) 24.Qc4 Rc5 25.Qf7 Nd7 26.Qf5 Rf5 27.Rg6 (better is 27.Bd7!? Rc5 28.Ra2 Kd7 29.Rb7 Kc6 30.Rg7+–) 27...Rf7+/– 28.Bc4 Re7 29.Bd5 Rb8 30.Rg3 (30.Rb5 Kd8+/–) 30...Nf6 31.Rc3 Kd6 32.Bc4 Rc7 33.Rb6 Kc5 34.Rb5 Kd6 35.Rb6 Kc5 36.Rb5 Kd6 ½–½. Diviak,Rudolf (1795) – Kotlowski,Tomasz (2060), Banska Stiavnica SVK, V4 Open, 2013.

    4.c3 Nf6

    5.e3 e6 6.b5 d5 7.d4 (7.c4!?=) 7...c4–/+ 8.a4 a6 9.Na3 Bd7 10.Nf3 Bd6 11.Ne5 Be5 (Better is 11...0–0!?–/+) 12.de5+= Ne4 13.Qd4 Qc7 14.Bc4 ab5 15.Bb5 Nc6 16.Bc6 Qc6 17.Nb5 0–0 18.0–0 Nc5 19.Qd1 (Better is 19.Ba3!? Nb3 20.Qf4=) 19...Na4=+ 20.Ra4 Qb5 21.Rb4 ½–½. Melzig,Ernst – Hess,Helmut (1615), 14sen.Bad Sooden–Allendorf, 2002.

    5.Nf3 Nc6 6.e3 e6 7.b5 Ne7 8.c4 Neg8 9.d4 a6 10.a4 d5 11.Nc3 Bd6 12.a5+= Qd8 13.b6 cd4 14.Nd4 Bb4?? 15.Qa4+– Bd7 16.Qb4 (16...e5 17.Nf3+–) 1–0. Kucharkowski,Jens – Enderlein, Freital, 1988.

    5.Nf3 d5 6.d4 c4 7.Nbd2 Bf5 8.e4 (8.Nh4!? Bd7 9.h3=+) 8...Ne4–/+ 9.Be2 e6 10.0–0 Be7 11.Ne4 Be4 (11...de4?! 12.Ne5=) 12.Ne5 f6 (12...Bd6 13.Qa4 Nc6 14.f4–/+) 13.Nf3 (13.Qa4 Nc6 14.Nc6 Qc6–/+) 13...0–0 14.Re1 e5! 15.Nd2 (15.de5 fe5) 15...Bg6 16.Nf3 Nd7 (better is 16...e4 17.Nh4 f5 18.Ng6 Qg6–/+) 17.de5+= Qc6 18.Nd4 Qc8 (18...Qb6!? 19.e6 Nc5+=) 19.Ne6+/– Re8 20.Qd5?? (better is 20.Nf4 Nb6 21.Bf3+/–) 20...Nb6–+ 21.Qd4 Qe6 22.Bg4 f5 23.Bf3 Rad8 24.Qe3 Rd3 25.Qf4 Na4 26.Rab1 b5 27.Red1 Nb2 28.Rb2 Rd1 29.Bd1 Bd6 0–1. Goan – Chatterjee, email 4AMM–08, 1997.

    4.Nc3 cb4

    5.ab4 Nf6 6.b5 d5 7.e3 Bf5 (7...e5 8.Nge2=) 8.Nf3 Nbd7 9.Be2 (9.Nh4 Bg6+=) 9...e5= 10.d4 e4 11.Nd2 Bd6 12.Na4 Qc7 13.c4 dc4 14.Nc4 Bb4 15.Nd2 (15.Bc3 Bc3 16.Nc3 0–0=) 15...0–0+= 16.0–0 Nd5 (16...Rac8 17.Ba3 Ba3 18.Ra3=) 17.Nb3 (17.Qb3 N7f6 (worse is 17...Bd2 18.Qd5 Bg6 19.Rfd1+/–) 18.Rfc1 Qb8=) 17...Bd6+= 18.h3 N7b6 19.Nac5 Qe7 20.Na5 Rab8 21.Nc4 Bc7 22.Re1 Qh4 (22...Qg5 A) 23.Ra7? Bh3 24.Bf1 Nc4 25.Ne4 Qg6–+ (25...Nb2?! 26.Ng5 Nd1 27.gh3–/+); B) 23.g4 a6 24.Qb1+=) 23.Nd2 (23.Ra7 Qg5 24.Kf1 Bh3 25.gh3 Bh2+=) 23...Bg6 (23...Bh3 24.Nde4 Bg2 25.Kg2 Qh2 26.Kf3 Qh3 27.Ng3 Bg3 28.Bf1=) 24.Nf1 (24.Ra7 f5+/–) 24...Rbe8 (24...a6 25.ba6 ba6 26.Nd2+=) 25.Qb3 (25.Ra7 f5+/–) 25...Kh8 (25...Bf5 26.Ra7 Qg5 27.f4 (worse is 27.Rb7 Bh3 28.g3 Bf1 29.Bf1 Bg3=) 27...ef3 28.Bf3 Bh3 29.Rb7+/–) 26.Nd7! Nd7 27.Qd5 Nb6 28.Qc5 (28.Qb7 Re7 29.Ra7 Bh2 30.Nh2 Rb7 31.Rb7 Nd5+/–) 28...Rc8? (28...Bb8 29.Ba3=) 29.Qb4 (29.Ra7!? Bh2 30.Nh2 Rc5 31.dc5+–) 29...f5 (29...Bb8 30.Ba3=) 30.Rec1 (30.Ra7 f4 31.ef4 Qf4+=) 30...Nd5 31.Qb3+/– Nf6 32.d5 f4 33.ef4 Qf4 34.g3 Qf5 35.Ba3 Rfe8 36.d6 Bb6–/+ 37.Ne3 Qh3 38.Bf1 Qd7 39.Rc8 Rc8 40.Nc4 Qf5 41.Nb6+= ab6 42.Rc1 Rd8 43.Qe3 h5 44.Qb6+/– Rd7 45.Qc5 Qg4+= 46.Qc8 Kh7= 47.Qf8?? e3!–+ 48.Rc8 Be4 49.Qh8 Kg6 50.Re8 Qf3 51.Re4 Qf2 0–1. Lorenc,Tomas (2125) – Kansky,Pavel (2135), CZE–chT2b, 2006.

    5.Nd5 Qa5 6.e4 ba3 7.Ra3 Qd8 8.Qh5 (8.Be5 d6 9.Bd4+/–) 8...e6?? (better is 8...Nc6=+) 9.Rf3+– Nf6?? (better is 9...Nh6 10.Nf6! gf6 11.Bf6 Qb6+–) 10.Nf6 (10.Bf6 gf6 11.Rf6 Qf6 12.Nf6 Kd8 13.Qf7 Bc5+–) 10...gf6 11.Bf6 Be7 12.Bh8 d6 13.Rf7 Kd7 14.Bf6 Nc6 15.Bb5 a6 16.Be7 Qe7 17.Bc6 bc6 18.Qh7 Qf7 19.Qf7 Kd8 20.e5! de5 21.Nf3 e4 22.Ne5 Rb8 23.Nc6# 1–0. wiking – alesson, queenalice.com, 2009.

    5.Nd5 Qc6 6.e4 ba3 7.Ra3 (idea Bb5!; idea Rc3) 7...Na6 8.Ba6 ba6 9.Rc3. Myers.

    5.Nd5 Qd6 6.Nb4 Nc6 7.Rb1 Nb4 8.ab4+= b6 9.e3 Bb7 10.Nf3 Nf6 11.Be2 g6 12.h3 Bg7 13.0–0 0–0= 14.c4 Rac8 15.d3 Rfe8 16.e4 e5 17.b5 Nh5 18.Ra1 Ra8 19.g3 Rec8 20.Qb3 Qe6 21.Kh2 Rf8 22.Nh4 Nf6 23.Ra4 a5 24.ba6 Ra6 25.Ra6 Ba6 26.Nf3 Nh5 27.Ng5 Qf6+= 28.h4 h6 29.Nh3 Qc6 30.Rb1+/– Rb8 31.Bh5 gh5 32.f4 d6+= 33.Ba3 Attacks the isolani on b6 33...b5 34.Rc1 Qd7 35.c5 dc5= 36.Rc5 b4 37.Bb2 Qd3–/+ 38.Qd3 Bd3 39.Nf2 Be2 40.fe5 b3 41.Rc7 Bf3 42.Kg1 Re8 Exerts pressure on the isolated pawn 43.Rc3= Be4 44.Rb3 ½–½. Sternik,Ryszard – Brzoza,Miroslaw, corr 2. AMM Poland, 1994.

    5.Nd5 Qd6 6.e4 e6 7.Nb4 Nc6 8.Nd3 Qc7 9.Nf3 d6 10.Be2 Nf6 11.Bf6 gf6 12.0–0 Bg7 13.c3 0–0 14.Nb4 Nb4 15.ab4 b6 16.Qc2 Bb7 17.Ba6 d5 18.ed5 Bd5 19.Be2 Kh8 20.b5 f5 21.Ra3 Rfc8 22.Re1 Qd7 23.d4 Bc4 24.Bc4 Rc4 25.Qe2 Qd5 26.Ng5 Bf6 27.Nf7 Kg7 28.Qh5 Rc7 29.c4 Qd7 30.Rg3 Kf8 31.Qh6 1–0. Woschkat – Chatterjee, email 4AMM–08 1997.

    5.Nd5 Qd8 6.ab4 += e6 7.Nf4 d5 8.e3 Nf6 9.Nd3 Nc6 10.b5 Nb4? 11.Ne5. Myers.

    4.bc5 Qc5

    5.Nc3 Nc6 6.e3 e5 7.Na4 Qe7 8.c4 d6 9.Nf3 Bg4 10.Be2 Nf6 11.0–0 g6 12.Nc3+= Bg7 13.Nd5 Nd5 14.cd5 Nb8 15.Qa4 Qd7?? 16.Bb5+– 1–0. Krueger,Jan – Kubacek,Josef, corr ICCF WSTT/3/06/2, 2006.

    5.e3 e5 6.Nf3= Nc6 7.Nc3+= Qa5 8.Bb5 Nge7 9.0–0 f5 10.e4 a6 11.Bc4 fe4 12.Ne4+/– d5 13.Nd6+– Kd7 14.Nf7 dc4 15.Nh8 Qd5 16.d3 Ke8 17.Re1 cd3 18.Ne5+– Be6? 19.Nd3 Rd8 20.Qe2 Bg8 21.Rad1 Qa2 22.Qf3 Rd5 23.Qg4 Kd8 24.c4 Rd7 25.Nc5 Rd1 26.Rd1 Kc7 27.Qf4 Kc8 28.Be5 Ne5 29.Qf8 (29.Qf8 Kc7 30.Qd8 Kc6 31.Qd6) 1–0. Haznedaroglu,Kivanc (1990) – Kubacek,Josef, corr ICCF WSTT/3/06/2, 2006.

    5.Nf3 d5 +=.

    3.a3 e6

    4.Qc1 d6 =.

    4.Qc1 Bd6?? 5.Bg7+– Be7 6.Bh8 Bh4 7.g3 Bg5 8.Bb2 Nf6 9.Nf3 Ne4 10.Bd4 c5 11.bc5 Nc5 12.e3 Bh6 13.Bg2 Qd6 14.0–0 Ne4 15.d3 Ng5 16.Nbd2 Nf3 17.Nf3 Nc6 18.Bb2 b6 19.Nd4 Nd4 20.Bd4 Rb8 21.Qb2 Bb7 22.e4 Bc6 23.Bg7 Bg5 24.h4 Be7 25.Bf6 Bf8 26.Bg7 Be7 27.Bf6 Bf8 28.Be5 Qe7 29.Bb8 Qd8 30.Ba7 b5 31.Bd4 Bh6 32.Bf6 Qc7 33.Qe5 Qe5 34.Be5 Ke7 35.c3 d6 36.Bd4 e5 37.Be3 Bg7 38.Rfe1 f6 39.d4 ed4 40.cd4 Ke6 41.d5 Bd5 42.ed5 Kd7 43.a4 f5 44.ab5 Ba1 45.Ra1 f4 46.Bf4 h5 47.Ra7 Kd8 48.b6 Kc8 49.b7 Kb8 50.Ra8 Kb7+– 51.Rh8 Kb6 52.Rh5 Kc5 53.Rh6 Kb6 54.Rd6 Kb5 55.h5 Kc4 56.h6 Kd4 57.h7 Kd3 58.h8Q Ke2 59.Qe5 Kd3 60.Qe3 Kc4 61.Rc6 Kb5 62.Qc5 Ka4 63.Ra6 Kb3 64.Ra3 Kb2 65.Qc3 Kb1 66.Ra1# (66.Be4#) 1–0. linakip – mietko3, kurnik, 2012.

    4.c4 a5 (--> 3.a3 a5 4.c4 e6).

    4.c4 d5 5.c5 Qc7 6.e3 Ne7 7.Nf3 b6 8.cb6 Qb6 9.Nc3 Nf5 10.Na4 Qc7 11.Be2 a5 12.ba5 Ra5 13.Nc3 Ba6 14.Ba6 Ra6 15.0–0 h5 (15...Nd6 16.d3+=) 16.d4 f6 (16...Bd6 17.Qe2+=) 17.Qe2 g5 (18.e4 Ne7+/–) 18...Bd6 (18...g4 19.Nd2=) 19.Rfb1 (19.e4!? de4 20.Ne4+/–) 19...g4= 20.Ne1 h4 21.Ng2? (21.Bc1 hg3 22.Rb8 Qb8 23.Qa6 gf2 24.Kf2 Rh2 25.Kg1=) 21...hg3–+ 22.fg3 Qg7 23.e4? Nd4 24.Qe3 Nc2 25.Qe2 Na1 26.Ra1 Bc5 27.Kh1 Qg5 28.ed5–/+ cd5 29.Bc1?? Qe5 30.Qe5 fe5 31.Ne2 Bd4 32.Nd4 ed4 33.Bb2 e5 34.Re1 Rh5 35.Bd4 Rf6?? 36.Be5+– Rb6?? 37.Bd4 Kd7 38.Bb6 Nc6 39.Bc5 d4 40.Nf4 Rc5= 41.Rd1 Ra5 42.Ne2 Ra4 43.Kg2 Ke6 44.Rd3 Ke5 45.h4 Ne7 46.Nf4 Ng8 47.Rb3 Ke4 48.Ne2 d3?? 49.Nc1 d2 50.Rb4?? Rb4 51.ab4 Nf6 52.b5 d1Q 53.b6 Qd2 54.Kg1 Qc1 55.Kg2 Qc2 56.Kf1 Qc4 57.Kg2 Qa2 58.Kf1 Qa6 59.Kg2 Qb6 60.h5 Qb2 61.Kg1 Qb1 (61...Qb1 62.Kf2 Qc2 63.Ke1 Ke3 64.h6 Qe2; 61...Kf3 62.h6 Qg2) 0–1. Fournier,Frederic (2110) – elastuto (1690), Echecs21 (5/0), 2003.

    4.c4 d6 5.Nf3 (5.e4 c5=) 5...d5 (5...e5 6.Nc3=) 6.e3+= dc4 (6...Ne7 7.c5 Qc7 8.Be5+=) 7.Bc4 a5 8.b5 (8.Bd4 Qd8 9.b5 Nf6+=) 8...cb5 9.Bd4 Qc6 (9...Qd8 10.Bb5 Bd7 11.Bd7 Qd7 12.Ne5+=) 10.Be2 (10.Bf1 Qc7+=) 10...Ne7 (10...Na6 11.Nc3 Nc7 12.Rc1 Ba3 13.Rc2+/–) 11.Nc3+/– Nf5?? (better is 11...Qd7+/–) 12.Bb5+– Ne3 (12...Bd7 13.Bc6 Nc6+–) 13.de3 Qb5 14.Nb5 Nc6 15.Nc7 Kd8 16.Bb6 Bd7 17.Na8 Ke7 18.Rc1 Ke8 19.Rc6! Bc6 20.Qd8# 1–0. pcmvr (2865) – antiochusiv, net–chess.com, 2008.

    4.c4 Nf6 5.e3 Be7 6.Nf3 a5 7.c5 Qd8 8.d4 ab4 9.ab4 Ra1 10.Ba1 b6 11.Qa4 bc5 12.bc5 0–0 13.Bc3 Bb7 14.Be2 Nd5 15.0–0 d6 16.Ba5 Qc8 17.cd6 Bd6 18.Nc3 Ba6 19.Ba6 Qa6 20.Nd5 cd5 21.Ra1 Rc8 22.Qd1 Qc6 23.Bd2 Nd7 24.Rc1 Qa6 25.Rc8 Qc8 26.Qc1 Qb8 27.h3 h6 28.Bc3 Nf6 29.Nd2 Bh2 30.Kh1 Bd6 31.Kg1 Qc8 32.Bb2 Qa6 33.Qf1 Qb6 34.Qc1 Qa6 35.Qf1 Qa5 36.Qe2 Qa2 37.Qb5 Bc7 38.Qb3 Qa5 39.Qc3 Qb6 40.Ba3 Nd7 41.g3 Qb8 42.f4 Nf6 43.Kf2 Qd8 44.Kf3 Ba5 45.Bb4 Bb4 46.Qb4 Qa8 47.Qb2 Qc8 48.h4 h5 49.Qb1 Qc3 50.Ke2 Ng4 51.Qd3 Qc1 52.Qb1 Qc8 53.Qb2 Qa6 54.Kf3 g6 55.Qc3 Qa2 56.Ke2 Qa6 57.Qd3 Qa1 58.Qb1 Qa7 59.Qc2 Kg7 60.Qd3 Nh6 ½–½. Pietschker,Manfred – Tardel,Olaf, Landesliga2 West, 2000.

    4.d3 c5!? =.

    4.d3 Bc5 5.Nd2?? (better is 5.e3 Bf8 6.Nd2+=) 5...Bf2# 0–1. golfx – holyport, kurnik, 2011.

    4.d3 f6 5.Nd2 a5 (5...d5 6.e4=) 6.c3 (6.Nc4 Qb5 7.Bd4 Ra6=) 6...c5 (6...d5!?=) 7.Nc4+/– Qc7 8.Qa4 (8.Na5 d5+/–) 8...Na6 (8...Kf7 9.Nd2 d5=) 9.d4 (better is 9.Na5!? Nb8 10.Qb5+/–) 9...cd4=+ 10.cd4? (10.ba5 dc3 11.Bc3 Bc5=+) 10...ab4?? (better is 10...Qc4 11.e3 Qc6–+) 11.Qb3 (11.e4 Qf4 12.Qc2 ba3 13.Ba3 Nb4=+) 11...ba3 12.Ra3? Ba3 13.Ba3 Qf4?? 14.e3 Qg5? 15.Nd6 Kf8 16.Nc4 Kf7 17.Nb6?? Rb8 18.Nc8?? Rc8 19.Ba6 ba6 20.Ne2 Ne7 21.0–0 Rb8 22.Qa4 Rhc8 23.Qd7–/+ f5 24.Nf4 Rd8?? 25.Qe6+– Kf8 26.Nd5 Re8?? 27.Qa6 Ra8 28.Qd3 Kf7 29.Ne7 Re7 30.Qc4?? Kf8? 31.Bc5 Qf6 32.Qd5 Rae8 33.Rb1 Qe6 34.Qe6 (34.Qe6 g6 35.Be7 Kg7 36.Rb7 Kh6 37.Qf6 Re7 38.Qh4 Kg7 39.Qe7 Kh6 40.Qh4#) 1–0. golfx – holyport, kurnik, 2011.

    4.d4 d5 5.Nd2 =.

    4.d4 Nf6 5.Nc3 Be7 6.Nf3 h6 7.h4 d6 8.Na4 Qd8=+ 9.h5 0–0 10.e3 Ne4 11.c3?? Bd7?? 12.g3?? b5–+ 13.Qd3 f5 14.g4 ba4 15.g5 hg5 16.0–0–0 Nf2 17.Qd2 Nh1 18.Qg2 g4 19.Nd2 Bg5 20.Re1 Bh4 21.Rd1 Ng3 22.b5 Nf1 23.Nf1 d5 24.bc6 Nc6 25.e4 de4 26.d5 ed5 27.Rd5 Na5 28.Ng3 Qc7 29.Ne2 Bg5 30.Kb1 Nc4 31.h6 Rab8 32.Nd4 Rb2 33.Ka1 Rg2 (34.Ne2 Qb7 35.Rb5 Qb5 36.h7 Kh7 37.Ka2 Qb2#) 0–1. Bogdan – MichaelKnopf, mySchach.de, 2005.

    4.e3 a5 5.Bd4 c5 (better is 5...Qc7!? 6.b5 c5=) 6.bc5+/– Bc5?? (better is 6...Qc6+/–) 7.Bg7+– Ne7 8.Bh8 Nbc6 9.Bf6 Nd5 10.Bc3 f6 11.Qh5 Kd8 12.Ne2 Kc7 13.Nd4 Nc3 14.Nc3 Nd4 15.ed4 Bd4 16.Qf3 Bc3 17.Qc3 Kd8 18.Qf6 Kc7 19.Bd3 Qc5 20.0–0 b6 21.a4 Kb8 22.Qf4 e5 23.Qf5 d6 24.Qf7 Ra7 25.Qf3 Rg7 26.Rab1 Ka7 27.Bf5 Bb7 28.Be4 d5 29.Bf5 e4 30.Qh3 Qc2 31.Rfd1 Qc7 32.Rbc1 Qe5 33.d4 Qf6 34.Bg4 Qg5 35.Bc8 1–0. wojtekkk (1715) – anhba, kurnik, 2011.

    4.e3 Bd6 5.Bg7 Ne7 6.Bh8 Ng6 7.Bd4 c5 8.Bc5 Bc5 9.bc5 Qc5 10.d4 Qe7 11.Qh5 f5 12.Nf3 Nc6 13.Ng5 b6 14.h4 Bb7 15.Qh7 0–0–0 16.Qg6 a5 17.Nc3 Na7 18.h5 Rh8 19.h6 1–0. Rosner,Dirk – Fischer,Hermann, Tiger SC, 2000.

    4.Nf3 c5? 5.e3 cb4 6.Bd4! Qa5 7.ab4 Qb4 8.Ba7! b6 9.Nc3 Nc6 10.Nb5 Bd6 11.c3 Qc5 12.d4 Qd5 13.Bc4! Qh5 14.Nd6 (cont. unknown). Myrberg – Lemola, corr Nordisk Cup 87.

    4.Nf3 d5 5.g3 Nd7 6.Bg2 f6 7.e3 Qa6 8.d3 Bd6 9.0–0 Ne7 10.Nd4 Ne5 11.f4 N5g6 12.Nc3 e5 13.Nf3 0–0 14.fe5 Ne5 15.Ne5 Be5 (< 15...fe5 16.Rf8 Kf8 17.Qh5+/–) 16.d4 Bd6 17.e4 Qb6 18.Ne2 (better is 18.ed5!? Bd7 19.dc6 Bc6 20.Ne4+/–) 18...Bg4 19.ed5 Nd5 20.Qd2 Be2 (better is 20...Rae8!? 21.Bf3 Bf3 22.Rf3 Qa6=+) 21.Qe2+= Ne7?? (21...Rfe8!? 22.Qc4 Kh8 23.Bd5 cd5 24.Qd5 Re2+=) 22.c4 (better is 22.Qe6 Kh8 23.Qd6+–) 22...Qd8+/– 23.c5 Bc7 24.Rae1 Ng6 25.Qe6 Kh8 26.d5 Re8 27.Qe8 Qe8 28.Re8 Re8 29.d6 Bd8 30.b5! Re2 31.Bc3 cb5 32.Bb7 h6 33.c6 Rc2 34.Bb4?? Bb6 35.Kh1 Ne5 36.c7 Bc7 37.dc7 Rc7 38.Ba6 Nd3 39.Bb5 Nb4 40.ab4 Rb7 41.Ba6 Rb4 42.Ra1 g5 43.Bd3 Rb7 44.Be4 Re7 45.Bf5 Kg7 46.g4 Kf8 47.h3 Ke8 48.Ra6 Kf7 49.Kg2 Rc7 50.Kf2 Ke7 51.Re6 Kf7 52.Ra6 Ke7 53.Ke2 Kf7 54.Kd3 Ke7 55.Bg6 Rb7 56.Kc3 Rc7 57.Kd4 Rd7 58.Kc5 Rc7 59.Kd5 Rb7 60.Kc6 Rb6 61.Rb6 ab6 62.Kb6 Ke6 63.Bf5 Ke5 64.Kc6 Kf4 65.Kd6 Kg3 66.Ke6 Kh3 67.Kf6 Kh4 68.Kg6 1–0. rryy44 – romek0508, kurnik, 2012.

    3.a3 Nf6

    4.c4 a5 5.c5 Qc7 6.d4 g6 7.e3 Bg7 8.Nf3 0–0 9.Bc4 d5 10.cd6 ed6 11.0–0 d5 12.Bd3 b5 13.ba5 Qa5 14.Nbd2 Nbd7 15.Rc1 Bb7 16.Re1 Rfe8 17.Nb3 Qc7 (better is 17...Qa4!?=) 18.Bb5!+/– Qb6 19.Bd3 Ba6 20.Ba6 Ra6 0–1. Snoopy85 – AsceticKingK9, ChessWorld.net, 2011.

    4.Nf3 d6 5.d3 a5 6.Nbd2 e5 7.e4 Be6 8.d4 Nbd7 9.Bc4 Bc4 10.Nc4 Qb5 11.Qe2 ab4 12.a4 Qa6 13.de5= de5 14.a5 Be7 15.Nfe5 Ne5 16.Be5 0–0 17.0–0 Rfd8 18.Rab1 c5 19.c3 Nd7 20.Bg3 b6 21.Bc7+= ba5 22.Rfd1 a4= 23.Rd5 a3 24.Bd8+= ½–½. Woelfelschneider,Peter – Schulz,Hans_Juergen, TT–07 ETC, 2003.

    4.Nf3 Ne4 5.e3+/– d5 6.Nc3 Nc3 7.Bc3 f6 8.Bd4 Qc7+= 9.Be2 e5= 10.Bb2 Bd7 11.0–0 b5 12.d3 Be7 13.Rc1 0–0 14.c4 dc4 15.dc4+/– bc4 16.Bc4 Kh8 17.Qc2 g6 18.Rfd1 Bf5 19.Qe2 Bg4 20.h3 Bf3 21.Qf3 Nd7 22.Be6 Rfd8 23.Rc6 Qb7 24.Bd7 Rd7 25.Rd7 Qd7 26.Rc1 Rc8 27.Rc8 Qc8 28.Qe2 Qd7 29.g4 Bd8 30.b5 Bb6 31.a4 Qd5 32.Qc2 Qc5? 33.Qd2 Kg8 34.Qd7 Qb4?? 35.Qe8 Qf8 36.Qe6 Kg7 37.Kg2 Qf7 38.Qf7 Kf7 39.Kf3 Ke6 40.Ke4 f5+/– 41.gf5 gf5 42.Kf3 h5 43.Ke2 Kd5+= 44.Bc3 e4 45.a5+/– Bc5?? 46.Bf6 Bb4? 47.b6?? ab6 48.ab6 Kc6= 49.Bd4 Ba5 50.f3 Bb6 51.fe4 fe4 52.Bb6 Kb6 53.Kf2?? h4–+ 54.Ke2 ½–½. leighcastle – philstar99, ChessWorld.net, 2009.

    4.c4 d6

    5.e3 a5 6.Qb3 ab4 7.ab4 Ra1 8.Ba1 g6 9.Nf3 Bg7 10.Be2 0–0 11.0–0 Nbd7 12.d4 c5 13.b5 cd4 14.Bd4 Qd8 15.Nbd2 Nc5 16.Qb2 b6 17.Ra1 Bf5 18.h3 e5 19.Bc3 Nce4 20.Ne4 Ne4 21.Bb4 Nc5 22.Ra6 e4 23.Nd4 Nd3?? 24.Bd3+/– ed3 25.Qa3 Bc8 26.Ra8+/– Qc7 27.Bd6 Qb7? 28.Ra7?? Qe4?? 29.Bf8+– Bf8 30.Qc3 Bc5? 31.Ra3 Ba3 32.Qa3 d2 33.Qb3 Qd3?? 34.Qd3+– 1–0. carocan (1680) – erykz (1645), kurnik, 2011.

    5.Nf3 Nbd7 6.e3 g6 7.Nc3 Bg7 8.Be2 0–0 9.0–0 e5 10.d4 ed4 11.ed4 a5 12.c5 Qc7 13.Rc1 ab4 14.ab4 d5 15.b5 Qd8 16.Ne5 (16.Qc2 Re8+=) 16...Ne5 17.de5 Nd7 18.f4 Re8 19.Qd4 Bf8 20.Nd1 Qe7 (better is 20...f6!?=) 21.e6+/– fe6?? 22.Qh8 Kf7 23.Qh7 (23.Qh7 Bg7 24.Qg7) 1–0. orangutanb4 (2010) – szachmatek123 (1785), kurnik, 2011.

    4.Nf3 d5

    5.d4 Bg4 6.e3 e6 7.Nc3 Bd6=+ 8.Be2 Nbd7 9.e4 de4 10.Ng5 (10.Nd2!? Bf5 11.Nc4=+) 10...Bf5 11.g4 (11.f3 ef3 12.Nf3 Ng4–+) 11...Bg6–+ 12.f4 (12.f3 ef3 13.Bf3 h6–+) 12...Bf4 13.Nh3 Bd6 14.Qd2 (14.Na4 Qc7 15.g5 Bh2 16.gf6 Qg3 17.Kd2 Nf6 18.Rh2 e3 19.Kc1 Qh2–+) 14...0–0–0 15.0–0–0 (15.Nf4 Bf4 16.Qf4 Qd4–+) 15...Nd5 16.Na4 (16.Nd5 ed5 17.Rdf1 Qc7–+) 16...Qc7 17.Rdf1 (17.c4 Nf4 18.c5 Nh3 19.cd6 Qd6–+) 17...Rhf8 18.c4 e3 19.Qd1 N5f6 20.g5 Ne4 21.Rf3 f6 22.Nc3 e5 23.c5 Be7 24.Re3 ed4 25.Re4 dc3 26.Re7 cb2 27.Kb2 fg5 28.Ng5 Qf4 29.Rf1? Qg5 30.Rf8 Qe7 31.Rd8 Qd8 32.Bg4 Qf6 33.Kb3 Bf5 34.Bf3 Ne5 (34...Ne5 35.Be2 Qh6–+) 0–1. urko – Bull_Dog_Baz, ChessWorld.net, 2009.

    5.e3 Bg4 6.Be2 Nbd7 7.0–0 e6 8.c4 Qc7 9.Nc3 Bd6 10.c5 Be7 11.Nd4 Be2 12.Nce2 0–0 13.Ng3 g6 14.d3= e5 15.Nf3 Rad8 16.Qb3 h6 17.Rad1 b6= 18.cb6 ab6 19.e4 d4 20.Bc1 Kg7 21.Bd2 c5 22.Rc1 Qd6 23.a4 Rb8 24.b5 Nh5 25.Nh5+= gh5 26.Rc2 Qf6 27.Ra1 Kh7 28.a5 Rg8 29.ab6?? Rb6 30.Ra7?? Qg6 31.Ne1 Re8?? 32.Rd7+– Kg7 33.Nf3 Bf6 34.Rc5 Re7 35.Rcc7 Rbe6 36.b6 Rd7 37.Rd7 Rc6 38.b7 (38.b7 Ra6 39.b8Q Ra1 40.Ne1+–) 1–0. kehrsam – Bull_Dog_Baz, ChessWorld.net, 2009.

    5.e3 Bg4 6.Be2 Nbd7= 7.Bd4 Qc7=+ 8.h3 Bh5 (8...Bf3 9.gf3 (9.Bf3 e5) 9...e5 10.Bb2=+) 9.g4 (9.Bb2 e5= (9...Bf3 10.Bf3 e6=+)) 9...Bg6=+ 10.Bb2 (10.g5 Ne4=+) 10...e5 (10...e6 11.Nc3=+) 11.d3 (11.g5 Ng8=) 11...e4 (11...h6 12.Nbd2=+) 12.Nd4 (12.Nh4 0–0–0=+) 12...ed3 (12...h6!?–/+) 13.cd3= 0–0–0 (13...h6 14.Nc3=) 14.Nd2 (14.g5 Ng8 15.Qa4 Kb8=) 14...h5 (14...Kb8 15.N2f3=) 15.g5+= Ne8 16.N2b3 (16.N2f3 h4+=) 16...Nd6 17.Rc1 Kb8 18.b5 (18.Na5 Ka8=) 18...c5 19.Nf3 (19.a4 Be7=) 19...c4 (19...Nb5 20.a4 Nd6 21.a5–/+) 20.Nbd4 (20.a4 Rc8=) 20...Qb6 21.dc4= dc4 22.Bc4 Nc4=+ 23.Rc4 Bc5 24.Qc1 Be4 25.0–0 Bd3 26.Rc5? Nc5–/+ 27.Bc3? f6 28.h4?! Ne4 29.Rd1 Nc3 30.Qc3 Be4 31.Rc1? fg5 32.Ng5–/+ Bd5 33.a4 Rc8–/+ 34.Qd2 Rc1 35.Qc1 Rc8 36.Qd2 Qc5 37.Nge6 Be6 38.Ne6 Qe7 39.Ng5 Rd8 40.Qc3–/+ Qd7 41.Qe5 Ka8 42.Kg2 Qg4–+ 43.Qg3 Qa4 44.Ne6?? Qe4 45.Kh2 Qe6 46.Qg7 Qd6 47.Kg1 Qd5 48.Qf6 Rg8 (48...Rg8 49.Qg5 Rg5 50.hg5 h4 51.e4 Qg5 52.Kf1 h3 53.Ke1 h2 54.Kd1 h1Q 55.Kc2 Qe4 56.Kc3 Qc1 57.Kb3 Qec4#) 0–1. leighcastle – Bull_Dog_Baz, ChessWorld.net, 2009.

    3.a4 Qb4

    4.Bc3 Qb6

    5.Nf3 Na6 6.e3 Nf6 7.a5 Qc7 8.Ba6 ba6 9.0–0 Rb8 10.d3 d6 11.Bf6 gf6 12.d4 Bf5 13.Nbd2 Rg8 14.Kh1 d5 15.Re1 Rb5 16.e4 de4 17.Ne4 Be4 18.Re4 Bh6 19.c4+= Rb2 20.Re2 Rb7 21.Rb1 Bf4 22.Rb7 Qb7 23.Qc2 Rg6 24.Qf5 Bd6 25.Rb2 Qc7 26.c5 Bf4 27.g3 Bc1 28.Rb1 Bh6 29.Nh4+/– Rg7 30.Qe4+– e6 31.Nf5 Kf8 32.Nh6 Rg6 33.Ng4 Qa5 34.Ne5! fe5 35.Qe5 f6 36.Qd6 Kg7 37.Rb7 Qc7 38.Qc7 Kh6 39.Qf4 Rg5 40.Qh4 Rh5 41.Qf6 1–0. Fritz 6 – Comet B25, 2004.

    5.Nf3 Na6 6.e3 Nf6 7.a5 Qc7 8.Ba6 ba6 9.0–0 Rb8 10.Bf6 ef6 11.Re1 Bb4 12.c3 Be7 13.d4 Rb5 14.Qa4 0–0 15.Nbd2 d5 16.c4 dc4 17.Qc4 Be6 18.Qc2 Rfb8 19.Red1 Rb2 20.Qc3 Bd6 (20...R8b5 21.e4 f5 22.d5 fe4 23.Ne4+= (< 23.de6 ef3 24.ef7 Kf7=+)) 21.Rac1= Bg4 22.Qc6 Bh2 23.Kh1 Qc6 24.Rc6 Bd7 25.Ra6 Bc7 26.Ra7 Rc2 27.Ne1 Rc6 28.d5 Rc5 29.d6! Bd6 30.Rd7 Rh5 31.Kg1 Bh2 32.Kf1 Rc8 33.g3 Ra5 34.Nc4! Raa8 35.Nb6 Bg3 36.Nc8 1–0. Fritz 6 – Comet B25, 2004.

    5.Nf3 d5 6.a5 Qc7 =+.

    5.Nf3 d5 6.e3 Nd7 7.Be2 –/+.

    5.Nf3 d5 6.e3 Bg4 7.h3 Bh5 8.a5 Qc7 9.d3 Nd7 10.g4 Bg6 11.h4 h5 12.g5 e5 13.Bh3 Bd6 14.Nbd2 Ne7 15.Qb1 (15.a6 b6–/+) 15...Bf5 16.Bf5 Nf5 17.e4 Ne7 18.Rg1 0–0–0 19.Bb4 Rhg8 20.c4 f5 21.gf6 gf6–/+ 22.Rg8 Rg8 23.Bd6 Qd6 24.a6 b6–+ 25.cd5 cd5 26.Qc2 Kb8 27.Qb2 Nc5 28.Qc3 de4 29.Ne4 Qd3 30.Qd3 Nd3 31.Kd2 Rd8 32.Nf6–/+ Nf2 33.Ke3 Ng4 34.Ng4 hg4 35.Ne5=+ Nf5 36.Kf4 Nh4? 37.Nc6+– (37…Kc7 38.Nd8 Kd8 39.Rg1 Ng6 40.Kf5 Ne7 41.Ke6+– (41.Kg4?! Kd7+/–)) 1–0. Trokenheim,Marek – guest4196, ICC, 2004.

    5.Nf3 Nf6 6.e3 d5 (--> 5.e3 d5 6.Nf3 Nf6).

    5.a5 Qd8

    6.e4 d5 7.ed5 Qd5 8.Nf3 Nh6 9.Be2 Na6 10.Bb2 Nb4 11.Ra4 Qc5 12.d4 Qd6 13.Ba3 c5 14.c3 Nc6 (14...Na6!?=) 15.Bc5+= Qg6 16.d5 Nb8 17.0–0 Bd7 18.Rb4 Na6 19.Ne5 Qf5 20.Ba6 ba6 21.Re1 Rc8 22.Ba7 Bb5 23.g4 Qf6 24.d6! Qd6 25.Qd6 ed6 26.Ng6 Kd7 27.Nh8 Bc6 28.g5 Nf5 29.Nf7 Bd5 30.Nh8 (30…Be7 31.c4 Bc4 32.Rb7 Kc6 33.Rb6 Kd7 34.Nc3+–; Better is 30.g6!? hg6 31.Ng5 Be7+–) 1–0. Fritz 5.32 – Comet B25, 2004.

    6.Nf3 d5 7.e3 Nf6 8.Be2 Nbd7 9.0–0 e6 10.Na3 (10.a6 Bd6–/+) 10...Ne4 11.Nb1 Nc3 12.Nc3 Bb4 13.a6 e5 (13...b5 14.Bd3–/+) 14.Qb1 (14.Rb1 Qa5 15.Nd5 cd5 16.c3=) 14...Bc3–/+ 15.ab7 Bb7 16.dc3 Qc7 17.Rd1 a5 18.Qb3 0–0 19.Qa3 f6 20.Rdb1 c5–+ 21.Qa2 Rfb8 22.e4 Nb6 23.ed5 Bd5 24.Qa3 Nc4 25.Rb8–/+ Rb8 26.Bc4 Bc4 27.Nd2 Be2 28.Qa2 Kf8 29.Nb3 Rd8 30.Na5 Rd2 31.Nb3= Bc4 32.Qa4 Bb3 33.cb3 Qd8 34.b4 cb4 35.Qb4 Kg8 36.Qg4 Kh8 37.Qf3 Rb2 38.h3 Rb8 39.Qg4 Qg8 40.Rd1 Rb2 41.Qe4 Rb3 42.Qc2 Rb5 43.Qa4 Rb2 44.Qe4 Rb3 45.Qc2 Rb5 ½–½. Comet B50 – Comet B25, 2004.

    6.Nf3 Nf6 7.d4 d5 8.Nbd2 Bf5 9.Rb1 b6 10.Ra1 Nbd7 11.e3 e6 12.Ba6 Qb8 13.0–0 Bd6 14.ab6 (14.Rb1 0–0–/+) 14...ab6 15.Be2 Ra1 16.Ba1 0–0 17.h3 Qc7 18.Nh4 Be4 19.f3 Bh2 20.Kh1 Bg6 21.Ng6 fg6 22.f4 Bg3 23.Bd3 Ra8 24.Qf3 Nh5 25.Rb1 Ndf6 26.Nf1+= Bf4 27.ef4 Nf4 28.Ng3 Ra3 29.Qe3 b5 30.Ne2 Nd3 31.Qe6 Kh8 32.cd3+/– Rd3 33.Rf1 h6 34.Nf4 Rg3 35.Rf3 35...Rf3= 36.Ng6 Kh7 37.Nf8 Kh8 38.gf3 Qg3 39.Qe2 Qh3=+ 40.Kg1 Qg3 41.Kf1 b4 42.Qg2 Qg2 43.Kg2 b3 44.Ng6+= Kh7 45.Ne5 h5? 46.Nc6+/– Kg6 47.Na5 Kf5 48.Nb3 g5 49.Bc3 g4 50.Be1 Nd7 51.Nc5 Nf6 52.Bg3 Kg5 53.Ne6 Kf5 54.Nc7 Kg5 55.Bd6 h4 56.Be7 Kf4 57.Bf6 h3 58.Kh2 Kf3 59.Be5 Ke4 60.Kg3 Kf5 61.Nd5 h2 62.Kh2 1–0. Fritz 5.32 – Comet B25, 2004.

    6.Nf3 Nf6 7.e3 d5 8.Be2 Nbd7 9.0–0 e6 10.Re1 Bd6 11.a6 b6 12.Nd4 Qc7 13.f4 0–0 14.Rf1 Re8 15.Ra2 Nc5 16.Bb4 (16.Nf3 Nfe4–/+) 16...e5 17.fe5 Re5 18.Nc3 Re8 19.Nf3 Bg4 20.h3 Bd7 21.g4 (21.Nd4 Bh2 22.Kh1 Be5–/+) 21...Rad8 22.Rb2 h6 23.Qc1? Be6 24.Nd4 Qd7 25.Kh1 Qc8 26.Bc5 Bc5 27.Rb3 Bd4 28.ed4 Bd7 29.Re1 Ne4 30.Ne4 Re4 31.Bd3 Rd4 32.Qb2 c5 33.Rf1 Re8 34.Qc3 Re7 35.Rbb1 Qe8 36.Kg2 Bc6 37.Kh2 Ra4 38.Kg3 c4 39.Bf5 g6 40.Bd3 cd3 41.Qd3 Re2 0–1. Comet B50 – Comet B25, 2004.

    5.e3 d5

    6.Nf3 Nf6

    7.Be2 Nbd7 8.0–0 Qc7 9.d4 e6 10.Bb2 –/+.

    7.Be2 Nbd7 8.0–0 Qc7 9.d4 e6 10.Qe1 Bd6 11.Ba5 b6 12.Bb4 c5 13.dc5 Nc5 14.Nc3 a6 15.a5 b5 16.Rd1 Nb7 (16...0–0 17.Qd2–+) 17.Bd6–/+ Nd6 18.Nd4 (18.Bd3 Rb8–/+) 18...0–0 19.Nb3 Bd7 20.Bf3 Rfc8 21.Ne2 Qc2 22.Ned4 Qg6 23.Ne2 Nfe4 24.Nf4 Qf6 25.Be4 Ne4 26.Nd4 Nc3 27.Rc1 b4 28.Nd3 Qe7 29.Qd2 e5 30.Nc2 b3 31.Na1 Ne4 32.Qb2 Bb5 33.Rfd1 Bd3 34.Rd3 Rc1 35.Qc1 Qh4 36.Qb2 Qf2 37.Qf2 Nf2 38.Rb3 Ne4 39.g4 Rc8 40.Kg2 Kf8 41.h4 Rc5 42.Rb8 Ke7 43.Rb7 Ke8 44.Rb8 Kd7 45.Rb7 Kc8 46.Rf7 Ra5 47.Nb3 Ra3 48.Nc1 Rc3 49.Rf8 Kc7 50.Rf1 Re3 51.Rf7 Kd6 52.Rg7 Rg3 53.Kf1 Rc3 54.Ne2 Rf3 55.Kg1 Re3 56.Kf1 Nf6 57.g5 Rf3 58.Kg2–/+ Ne8 59.Rh7 Ra3 60.g6 Ra2 61.Kf2 d4 62.h5? d3 63.Rh8 Re2 64.Kf1 Kd7 65.h6 Re4 66.Rh7 Kc8 67.Kf2 d2 68.Rh8 Kd7 69.Rh7 Ke6 70.g7 Nf6 (71.Rh8 d1Q 72.Re8 Kd7 73.Rd8 Kd8 74.g8Q Ng8 75.Kg2 Qg4 76.Kf1 Re2 77.h7 Qg2) 0–1. EXchess 3.11 – Comet B25, 2004.

    7.Be2 Nbd7 8.0–0 Qc7 9.d4 g6 10.Nbd2 Bg7 11.Bb4 c5 12.Ba3 h5 (12...cd4 13.ed4 Ng4 14.Nb3=+) 13.c4=+ cd4 14.ed4 b6 15.cd5 (15.Rc1 Qf4=) 15...Nd5=+ 16.Rc1 Qf4 17.Bb5 Qf5 (Better is 17...Bb7=+) 18.Bc6+/– Rb8 19.Re1 Bb7?? (Better is 19...0–0+/–) 20.Bb7+– Bf6 (20...e6+–) 21.Ne4 0–0 22.Ng3 Qf4 23.Bd5 1–0. EXchess 3.11 – Comet B25, 2004.

    7.Be2 Bf5

    8.Nh4 Be4

    9.d3 Bg6 10.0–0 Nbd7 11.a5 Qc7 12.a6 b6 13.f4 e6 14.Nd2 Bc5 15.d4 Bd6 16.Rb1 0–0 17.Ng6 fg6 18.Qe1 c5 19.Rb2 Rac8 –/+.

    9.d3 Bg6 10.0–0 Nbd7 11.a5 Qc7 12.a6 b6 13.f4 e6 14.Nd2 Bc5 15.d4 Bd6 16.Rb1 0–0 17.Ng6 fg6 18.Qe1 c5 19.Qg3 cd4 20.ed4 Rac8 21.Rb3 Nh5 22.Bh5 gh5 23.Qh3 Rf5 24.Qe3 Rf6–+ 25.g3 h4 26.Nf3 hg3 27.hg3 Rh6 28.Ng5 Nf8 29.Rf2 Be7 30.Bb4 Bb4 31.Rb4 Rg6 32.Rg2 h6 33.Nf3 Kh7 34.Ne5=+ Rf6 35.Qd3 g6 36.Qe3 Rf5 37.g4= Rf6 38.Rh2 Qe7 39.Rb1 Kg8= 40.Re1 h5 41.Ree2 Qh7 42.gh5 gh5+= 43.Qg3 Kh8 44.Rh5 Qh5 45.Rh2 Qh2 46.Qh2 Nh7 47.Kf1 Rc3 48.Ng4 Rf3 49.Ke2 R6f4 50.Ne5 Rf2 51.Qf2 Rf8?? 52.Ng6+– Kg7 53.Nf8 Nf8 54.Qg3 1–0. Crafty 19.01 – Comet B25, 2004.

    9.d3 Bg6 10.0–0 Nbd7 11.a5 Qc7 12.a6 b6 13.f4 e6 14.Nd2 Bc5 15.d4 Bd6 16.Rb1 0–0 17.Ng6 fg6 18.Qe1 c5 19.Qg3 cd4 20.ed4 Rac8 21.Rb3 Nh5 22.Bh5 gh5 23.Qh3 Rf5 24.Qe3 Rf6 25.g3 h4 26.Nf3 hg3 27.hg3 Rh6 28.Ng5–/+ Nf8 29.Rf2 Be7 30.Bb2 Qc4 31.Qd3 Rh5 32.Ba3 Qd3 33.Rd3 Bg5 34.fg5 Ng6 35.Bc1 Rc4 36.Kg2 Ne7 37.Bf4 Rc6 38.g4 Rh4–/+ 39.Rdf3 Rg4 40.Kh3+= h5 41.gh6 Rg6 42.hg7 Rg7 43.Be5 Rh7 44.Kg4 Nf5 45.Kf4 Rf7 46.Kg5 Rc4 47.Rh2 Rh7 48.Rh7 Kh7 49.Rh3 Kg8 50.Kg6 Ne7 51.Kf6 Nc6 52.Ke6 Ne5 53.de5 Rc2 54.Kd5 Rd2 55.Kc6+/– Kg7 56.Re3 Kf7 57.e6 Ke7 58.Kb7 b5 59.Ka7 Rd6 60.Kb7 Re6 61.Re6 Ke6 62.a7 1–0. Crafty 19.01 – Comet B25, 2004.

    9.f3 Bg6 10.f4 e6 =+.

    9.f3 Bg6 10.Ng6 hg6 11.0–0 Qc7 12.f4 Nbd7 13.Na3 Ne4 14.Bd4 Qa5 (14...e5 15.fe5 Ne5 16.h3–/+) 15.Nb1 c5 16.Bc3 Qc7 17.d3 Nd6 (17...Nc3 18.Nc3 e6 19.Rb1–/+) 18.Na3 Qc6 19.Bf3 0–0–0 (19...e6 20.Nc4=+) 20.Nb5= Kb8 21.Rb1 e6 22.Nd6 Bd6 23.Bg7 Rh7 24.Bc3 g5=+ 25.Ba5 g4?? 26.Bd5! ed5 27.Bd8+– Rh8 28.Ba5 g3 29.hg3 Qa4 30.Ra1 Qb5 31.c4 dc4 32.dc4 Qc6 33.Qf3 Qf3 34.gf3 Rg8 35.Kf2 Rh8 36.e4 Be7 37.Rfd1 Nf8 38.Ke3 Bf6 39.e5 Be7 40.Bd8 Ng6 41.Be7 Ne7 42.Rd7 Nf5 43.Kd3 Rf8 44.g4 Nd4 45.Rb1 b6 46.Ke4 Ne2 47.Kf5 Ka8 48.Ra1 a5 49.Rb1 a4 50.Rb6 Nd4 51.Ke4 Ne2 52.Rbb7 (52…a3 53.Ra7 (53.Rf7 Rf7 54.Rf7 a2 55.Rf8 Kb7 56.Rf7 Kb6 57.Rf6 Ka5+–) 53...Kb8 54.Ra3 f5 55.gf5 Ng3 56.Kd5+–) 1–0. Doctor? 3.0 – Comet B25, 2004.

    9.f3 Bg6 10.Ng6 hg6 11.0–0 Qc7 12.f4 Nbd7 13.a5 e6 14.a6 b6 15.Ra4 Nc5 16.Ra1 Qc8 (16...0–0–0 17.Be5 Bd6 18.d4–/+) 17.Be5 Be7 (17...b5 18.Nc3–/+) 18.Nc3 (18.d4!? Nce4 19.c4=+) 18...b5–/+ 19.d4 Ncd7 (< 19...Na6 20.Nb5 Qb7 21.Qb1=) 20.Bd3 Bb4 21.Qe1 Ng4 22.Bg7 Rh2 23.Nb5 Rg2 24.Kg2 Be1 25.Nd6+– Kd8 26.Nc8 Ne3 27.Kf3 Nf1 28.Re1 Nh2 29.Kg2 Rc8 30.Kh2 Ke7 31.f5 gf5+= 32.Bf5 Rg8–/+ 33.Bh6 Rh8 34.Kg3 Nf8?? 35.Bg5+– Kd6 36.Bf4 Ke7 37.Bb8 Nd7 38.Bc7 Rg8 39.Kf4 c5 40.c3 cd4 41.cd4+= Nf6 42.Kf3+/– Rg7 43.Bb8 Rg5 44.Bc2 Rg8 45.Ba7 Nd7 46.Rb1 Rc8 47.Bd3 Rc7 48.Rb7 Kd6 49.Bb5 Rc3 50.Kf4 e5 51.de5 Ne5 52.Bb8 1–0. Doctor? 3.0 – Comet B25, 2004.

    4.Bc3 Qc5

    5.Nf3 d5

    6.Bd4 Qd6

    7.Be5 Qd8 –/+.

    7.c4 dc4

    8.Qc2 Bg4 9.Qc4 Bf3 10.ef3 –/+.

    8.Qc2 Qb4

    9.Na3 c5

    10.Be3 Be6 11.Ng5=+ Bd7 12.Nb5 Qa5 13.Qc4 Nh6 14.Bc5 Na6 15.Bd4 e6 16.Ne4 Nf5 17.Ba7?? (Better is 17.Bc3 Qb6 18.g4+=) 17...Rc8–+ 18.Qd3 (18.Qb3 Nb4 19.Nbc3 Qa7 20.e3–+) 18...Nb4 19.Nbd6 (19.Qb1 Nc2 20.Qc2 Rc2 21.e3–+) 19...Nd6 20.Nd6 Bd6 0–1. Comet B25 – Comet B50, 2004.

    10.Be3 Be6 11.Ng5=+ Bd7 12.Nb5 Na6 13.Rb1 Qa5 14.Qe4 Qb6 15.Bf4 Nf6 (15...f5!? 16.Qc4 Qg6=) 16.Qc4+= Be6 17.Ne6 Qe6 18.Qe6 fe6 19.e3 Nd5 20.Be5 b6 21.Be2 Kd7 22.d4 Nab4 23.dc5 Nc6 24.Bg3 bc5 25.e4 Nf6 26.Rd1 Nd4 27.Nd4 cd4 28.Bb5 Kc8 29.Bc6 Rb8 30.Bb8 Kb8 31.Rd4 Kc7 32.Rc4 Ng4 33.Be8 Kb6 34.Ke2 Ne5 35.Rb1 Ka6 36.Rc5 h5 37.Rb8 Nc4 38.Bb5 Ka5 39.Bd7 Ka6 40.Bc8 1–0. Comet B25 – Comet B50, 2004.

    10.Be3 Be6 11.Ng5=+ Bd7 12.Nb5 Qb5 13.ab5.

    10.Be3 g6 11.Qc4 Bg7 12.Rc1 Qc4 13.Rc4 =+.

    10.Be3 g6 11.Ne5 –/+.

    5.Nf3 Nf6

    6.Bd4 Qa5

    7.Nc3 d5 =+.

    7.c4 Na6 8.Bc3 Qc5 9.d3 d5 10.Nbd2 Bg4 11.Qb3 b6 12.d4 Qd6 13.Ne5 e6 14.a5 Rb8!? =+.

    7.c4 Na6 8.Bc3 Qc5 9.d3 d5 10.Nbd2 Bg4 11.Qb3 b6 12.d4 Qd6 13.Ne5 e6 14.a5 Qc7 15.e3+= Qb7 16.cd5 ed5 17.Nc6 Nc7 +=.

    7.c4 Na6 8.Bc3 Qc5 9.d3 d5 10.Nbd2 Bg4 11.Qb3 b6 12.d4 Qd6 13.Ne5 e6 14.a5 Qc7 15.e3+= Qb7 16.Ng4 Ng4 17.cd5 ed5 18.Be2 Nf6 19.0–0 (19.Ba6!? Qa6 20.ab6+=) 19...b5= 20.Bd3 Bd6 21.e4 Ng4 22.h3+– Nh2 23.Rfe1 0–0–0 24.e5 Be5 25.Re5 f6 26.Ree1 Qb8 27.g3 g6 28.Kh2 1–0. Fritz 8 – Comet B25, 2004.

    7.c4 Na6 8.Bc3 Qc5 9.d3 d5 10.Nbd2 Bg4 11.Qb3 b6 12.d4 Qd6 13.Ne5 e6 14.a5 Qc7 15.e3+= Qb7 16.Ng4 Ng4 17.Be2 Nf6 18.0–0 Nc7 19.Bd3 b5 20.Rfc1 Bd6 21.a6 Qb8 22.cb5 Nb5 23.Ba5 Bh2 24.Kf1 Bc7?? (Better is 24...Qd6–/+) 25.Bb5+– 0–0 26.Bc6 Ba5 27.Qb8 Rab8 28.Ra5 Rb2 29.Ke1 Rfb8 30.Rac5 Ng4 31.Bd5! g6 32.Rc8 Rc8 33.Rc8 Kg7 34.Bc4 Nf2 35.Rc7 Ng4 36.Rb7 Rc2 37.Be6 Ne3 38.Rf7 Kh8 39.Ra7 Ng2 40.Kd1 1–0. Fritz 8 – Comet B25, 2004.

    7.c4 d6 8.Bc3 Qc5 9.Bf6 ef6 10.e3 –/+.

    4.Bc3 Qe4

    5.d4 d5 6.Nd2 Qg6 7.Ngf3 Nd7 8.Bb4 Ngf6 9.e3 e6 10.Bf8 Rf8 11.Bd3 Qg2 12.Rg1 Qh3 13.Rg7 Rg8 14.Rg8 Ng8 15.c4 Ngf6 16.Rc1 Qg2 17.Qe2 Nb6 18.a5 Nbd7 19.Rc2 Qh1 20.Nf1 dc4=+ 21.Bc4 Rb8 22.e4 Nh5 23.Qe3= Ng7 24.Qf4 f6 25.e5 fe5?? 26.Ne5+– Ra8 27.Qf7 Kd8 28.Qg7 Qe4 29.Kd1 Qd4 30.Rd2 Qa1 31.Ke2 Kc7 32.Rd7 Kb8 33.Rb7! Bb7 1–0. Fritz 5.32 – EXchess 3.11, 2005.

    5.d4 Nf6 6.Nd2 Qg4 7.e4 d5 8.e5 Ne4 9.Qg4 Bg4 10.Ne4 de4 11.Ne2 Be2 12.Be2 Nd7 13.Rb1 Nb6 14.Ba5 0–0–0 15.c3 Kc7 16.c4 Kb8 17.d5 c5 18.Bb6 ab6 19.Rb6 g6 20.a5 Ka7 21.0–0 Rb8 22.Rd1 Bg7+/– 23.d6 Be5 24.de7 Rhe8 25.Rd7+/– Bd4 26.Kf1 f5 27.Rc6 Be5 28.h3 Bd4 29.g3 e3 30.Bf3 ef2 31.Rb6 h5 32.Bb7 Rb7 33.Rdb7 Ka8+– 34.Rb8!! Rb8 1–0. Fritz 5.32 – Doctor? 3.0, 2004.

    5.Nf3 d5 6.e3 Bg4 7.Bd3 Bf3 8.gf3 Qh4 –/+.

    5.Nf3 d5 6.e3 Bg4 7.Bd3 Bf3 8.Qf3 Qf3 9.gf3 Nd7 10.Rg1 Ngf6 11.a5 e5 12.f4 ef4 13.ef4 g6 14.a6 b5 15.Kd1 Bd6 16.Re1 Kd8 17.Ba5 Kc8 18.Nc3 (18.h3 Re8–+) 18...Ng4 19.Re2 Bc5 20.Ke1 (20.Nd5 cd5 21.Bb5 Rb8–+ (21...Bf2?! 22.h3 Bd4 23.c3 Nf2 24.Kc2–/+)) 20...Nh2 21.Kd1 Nf3 22.Rb1 (22.Na2 Nd4 23.Re3 Nf6–+) 22...Nd4 23.Re3 Nb8 24.Rg3 (24.Ne2 Ne2 25.Re2 Na6–+) 24...f5 25.Ne2 Ne2 26.Be2 Na6 27.Bc3 d4 28.Ba5 Nc7 29.Bf3 Kd7 30.Rh3 Ne6 31.Rh4 h6 32.Rb3 Be7 33.Rh1 Nf4 34.d3 g5 35.Re1 (35.c4 g4 36.Bd2 Bg5 37.Bf4 Bf4–+) 35...Bd6 36.Kd2 Rhe8 37.Rbb1 h5 38.Ra1 (38.c3 dc3 39.Kc3 Re1 40.Re1 b4 41.Kc4 Rb8–+) 38...g4 39.Bh1 h4 0–1. Comet B25 – Fritz 6, 2004.

    5.Nf3 d5 6.e3 Bg4 7.Bd3 Bf3 8.Qf3 Qf3 9.gf3 Nd7 10.Rg1 Ngf6 11.a5 e5 12.f4 ef4 13.ef4 g6 14.a6 b5 15.Be5 Bc5 16.Nc3 Ne5 17.fe5 Nd7 18.Nb5 cb5 19.Bb5 Bd4 20.Ra5 0–0–0 21.Bc6 Nb6 22.Bb7 (22.c3 Be5 23.h3 Kc7–+) 22...Kc7 23.c3 Be5 24.h4 (24.Rc5 Kb8 25.h4 Rhe8–+) 24...Rhe8 d4 25.Kd1 d4 26.Rc5 Kd6 27.Rc6 Ke7 28.Re1 Kf8 29.cd4 Bd4 30.Re2 Nd5 31.Re8 Ke8 32.Ke1 (32.Ke2 h6–+) 32...Nb4 33.Rc8 (33.Rc7 Nd3 34.Ke2 Bb6–+) 33...Rc8 34.Bc8 Nd3 35.Ke2 Nf2 36.Bb7 f5 37.Bd5 Ke7 38.Bg8 h6 39.Bd5 g5 40.hg5 hg5 0–1. Comet B25 – Fritz 6, 2004.

    4.Bc3 Qg4

    5.h3 Qg6 6.Nf3 d6 7.e3 e5 8.a5 Be6 9.Nh4 Qh6 10.Nf3 Nf6 11.Ra4 Nbd7 12.Rh4 Qg6 13.Rb4 b5 14.Bd3 e4 15.Nh4 Qg5 16.Be4 d5 17.Nf3 Qg2 18.Rh2 Qh2! 19.Nh2 Bb4 20.Bg2 Bc3 21.Nc3 0–0 22.Ne2 b4 23.Nf3 c5 24.d4 Rab8 25.Ne5 c4 26.Nc6 Rb5 27.Qd2 a6 28.Nb4 Ra5 The passed pawn on a6 quickly leads to threats 29.Qc3 Ra8 30.Nf4 Nb6 31.Nc6 Rb5 32.Ne6 fe6 33.h4 Kh8 34.Qa3 a5 35.Qd6 Rb1 36.Ke2 a4 37.Nd8=+ h6 38.Ne6 Rb2 39.Kd2 h5 40.Qe7 Rg8 41.Bf3 Rb5 42.Ng7 Rg7 43.Qf6 a3 44.Qf8 Kh7 45.Qa3 Rf7 46.Ke2 Kg7 47.Bh5 Rb1 48.Bf7 Kf7 49.f3 Rb5 50.e4 Ke6 51.e5 Kf7 1–0. Fritz 8 – Fritz 6, 2004.

    5.Nf3 d5

    6.e3 Nd7 =+.

    6.Ne5 Qf5 7.e3 f6 8.Nd3 –/+.

    6.Ne5 Qf5 7.e3 Nf6 8.f4 Nbd7 9.Bd3 Ne4 10.0–0 Ne5 11.fe5 Nc3 12.Nc3 (12.Bf5 Nd1 13.Bc8 Rc8 14.Rd1 e6–/+) 12...Qe5–+ 13.Qf3 f6 14.Qf4 (Better is 14.Qf2–+) 14...Qf4 15.ef4 e6 16.Rab1 Bc5 17.Kh1 a5 18.Rfe1 Kd7 19.f5 (19.Re2 Kd6–+) 19...e5 20.Be2 Kd6 21.Rf1 Bb4 22.Rb3 Bd7 23.Kg1 b5 24.ab5 Bc3 25.dc3 a4 26.Rb4 c5 27.Rb2 Ra5 28.c4 d4 29.Ra2 e4 30.Ra3 h5 31.Rfa1 Rha8 32.Rg3 Bf5 33.Rg7 e3 34.Ra2 a3 35.b6 Rb8 36.b7 Bc2!! 37.Rf7 Ke6 38.Rc7 Be4 39.Bf3 Bf3 40.gf3 d3 41.Kf1 Ra4 0–1. Comet B25 – Fritz 5.32, 2004.

    6.Ne5 Qf5 7.e3 Nf6 8.f4 Nbd7 9.Bd3 Ne4 10.0–0 Ne5 11.Be5 f6 12.Be4 (12.Bd4 b6=+) 12...Qe4 13.Bd4 Qg6 14.Na3 e6 15.d3 Bd6–+ 16.Qf3 e5 17.fe5 fe5 18.Bc3 Rf8 19.Qe2 Rf1 20.Qf1 e4 21.Qc1 ed3 22.cd3 Bf5 23.Rb1 Bh3 24.Qc2 Ba3 25.Rb7 Be7 26.Be5 Bf5 27.e4 de4 28.Qc4 ed3 29.Qg8 Bf8 30.Rg7 d2 31.Kf2 d1Q 32.Rg6 Qd2 (33.Kf3 Qd3 34.Kf2 hg6–+) 0–1. Comet B25 – Fritz 5.32, 2004.

    6.Ne5 Qf5 7.e3 Nf6 8.f4 Nbd7 9.Bd3 Ne4 10.0–0 Ne5 11.Be5 Qg6 –/+.

    6.Ne5 Qh5–/+ 7.d4 Nd7 8.e3 (8.Nd7 Bd7 9.Nd2 Nf6–/+) 8...Qd1 9.Kd1 Ne5 10.de5 e6 (10...Nh6 11.Nd2–/+) 11.Nd2 Be7 12.Be2 Nh6 13.f4 (13.e4!?–/+) 13...Nf5–+ 14.Nf1 Bc5 15.Kd2 0–0 16.g4 Nh4 17.Rg1 Bd7 18.g5 Nf5 19.Rg4 b5 20.a5 b4 21.Bb2 Rab8 22.Bd3 b3 23.c3 Rfe8 24.Bf5 ef5 25.Rg2 Rb5 26.Ng3 Be7 27.Rgg1 a6 28.Ne2 c5 29.Ra3 Bd8 30.Rga1 Re6 31.h4 Be7 32.Rc1 Bc6 33.Ng3 g6 34.Ne2 Bd8 35.Rca1 c4 36.Nd4–/+ Be7 37.Nb5 Bb5 38.Rh1 Ba3 39.Ba3 Bc6 40.Rh2 h6 41.Kc1 h5 42.Kb2 Re8 43.Bd6 Ra8 44.Ka3 Ra7 45.Rb2 Rb7 46.Bb4 Kg7 47.Rd2 Kh7 48.Rb2 (48.Kb2 Rb8–/+) ½–½. Bouma,Jan – Coltharp,Cameron, CTON email, 1996.

    5.Nf3 Nf6

    6.h3 Qg6 7.Na3 (7.e3 d6–/+) 7...e6 8.e3 Ne4 9.Ne5 (Better is 9.Bd4!?–/+) 9...Qf5–+ 10.Qf3 Qf3 11.Nf3 Nc3 12.dc3 g6 13.Nc4 Bg7 (Better is 13...d5 14.Nce5 f6–+) 14.Nfe5? (Better is 14.Nd6 Ke7 15.0–0–0–/+) 14...Ke7–+ 15.f4 d6 16.Nd6 Kd6 17.0–0–0 Ke7 18.Nf3 Bc3 19.Rd3 (19.e4 Nd7 20.Rd3 Bg7–+) 19...Bg7 20.e4 b6 (21.e5 f6 22.ef6 Bf6–+; 20...Nd7 21.e5–+) 0–1. Comet B25 – Doctor? 3.0, 2004.

    6.h3 Qh5 7.e3 d5 8.Ra2 Ne4 9.d3 (9.Bb2 Bg4–/+) 9...Nc3 10.Nc3 e5 11.Rb2 Ba3 12.Rb3 Bd6 13.d4 ed4 (13...e4 14.Nd2 Qh4 15.Ne2–+) 14.Qd4 0–0 15.Bd3 b6 16.Ne2 (16.Qh4 Qh4 17.Nh4 Re8–/+) 16...c5–+ 17.Nf4 Bf4 18.Qf4 c4 19.g4 Qh6 20.Qh6 gh6 21.Rb5 cd3 22.cd3 Bd7 23.Rd5 Bc6 24.Rf5 Ba4 25.Ke2 Rd8 26.Ra1 b5 27.Ne5 Bb3 28.Rb1 Be6 29.Rh5 Rd5 30.e4 Rc5 31.d4 Rc2 32.Ke3 f6–+ 33.Nd3 Bc4 34.Rh6 Kg7 35.Rh5 Rc3 36.Rd1 a5 37.Rc5?? Na6 38.Rc6 Rd3 39.Rd3 Bd3 (40.Ra6 Ra6 41.Kd3 a4–+) 0–1. Comet B25 – Doctor? 3.0, 2004.

    6.h3 Qf5

    7.g4 Qe6 8.Bg2 Ne4 9.d3 Nc3–/+ 10.Nc3 d5 11.e4 Nd7 12.Ra3 (12.Qe2 Qf6 13.d4 e6 14.ed5 Bb4–/+) 12...Nf6 (12...Qd6!? 13.Rb3–+) 13.e5–/+ Nd7 14.d4 f6 15.Qe2 h5 16.g5 fe5 17.de5 Qf5 18.Qd3 Qd3 19.cd3 e6 20.Ra1 Bb4 21.Kd2 Ne5–+ 22.Ne5 d4 23.Ke2 dc3 24.Nc6–/+ Bd6 25.Rac1 0–0 26.Na5 Bb4 27.Nc4 Rb8 28.Bf3 Bd7 29.a5 Rf3 30.Kf3 Bc6 31.Ke3 Bh1 32.Rh1 b5 33.ab6 ab6 34.Rc1 b5 35.Ne5 Rc8 36.d4 Bd6 37.Kd3 b4 38.f4 Rb8 39.Rf1 Rb5 40.Re1? Rb7 41.Rb1 Be5 42.fe5 Kh7 43.h4 Kg6 44.Rf1 Rc7 45.Kc2 Rf7 46.Rf7? Kf7 47.Kb3 Kg6 48.d5 Kf7 49.d6 g6–+ 50.Kc2 Ke8 51.Kb3 Kf7 52.Kc2 Ke8 53.Kb3 Kf8 54.Kc2 Kf7 55.Kb3 Ke8 56.Kc2 Kd7 57.Kb3 Kc6 58.Kc2 Kb6 59.Kb3–/+ Kb7 60.Kc2 Kb8 61.Kb3–/+ Kb7 62.Kc2=+ Kc6 63.Kd3 Kd7 64.Kc2 Kd8 65.Kd3 Kc8 66.Ke2 b3–+ 67.Kd3 b2 68.Kc2–/+ Kd7 69.Kb1 Kc6 70.Kc2 Kd7 71.Kb1–+ Kc6?? 72.Kc2 Kb7 73.d7?? Kc7–+ 74.d8N Kd8 75.Kb1 Kd7 0–1. Comet B25 – Crafty 19.01, 2004.

    7.g4 Qe6 8.Bg2 Ne4 9.d3 Nc3–/+ 10.Nc3 d5 11.e4 h5 12.g5 f6 (12...g6 13.Nd4 Qe5 14.Nce2 Qg5 15.Rg1–+) 13.0–0 fg5 14.Ng5 (14.ed5 Qf7 15.Ng5+=) 14...Qf6–/+ 15.Qd2 e6 (15...d4 16.Ne2–/+) 16.Rfb1 (16.Ne2 Be7 17.f4 Qg6–/+) 16...Bc5–+ 17.ed5 cd5 (17...ed5!? 18.Re1 Kd8–+) 18.Nb5–/+ 0–0 19.d4 a6 20.dc5 ab5 21.Bf3 Ra4 22.Ra4 ba4 23.Bh5 a3 24.c3 Nd7 25.Ra1 Ne5 26.Qe3 Nc4 27.Qg3 Qe7 28.Bg6=+ Rf5 29.Bh7 Kf8 30.Bf5 ef5 31.Qh4 Ke8 32.Rd1 Nd2 33.Qh5 Kd7 34.Nf7 Kc7 35.Qg6 Nf3 36.Kh1 Be6 37.Nd6 Kc6 38.Qg3 Kc5 39.Nb7 Qb7 40.Qf3 a2 41.Qd3 Qb2 42.Qa6 Qc3–/+ 43.Kg2 Qc2 44.Re1 Qc3 45.Qa7 Kb5 46.Qb7 Kc4 47.Qc6 Kb4 48.Qe6 d4?? 49.Qb6+= Kc4 50.Qa6?? Kb3+/– 51.Rd1 f4= 52.Kh2 f3 53.Kg3 Kc2 54.Qa4 Kb2 55.h4 g6 56.Qa6 Kc2 57.Rh1 Kb2 58.Qb6 Kc2 59.Qg6 d3 60.Qa6 Qe5 61.Kg4 Qe4= 62.Kg5 Qd5 63.Kh6+/– d2 64.Ra1 Kb2= 65.Qf6 Kc2 66.Qg6 Kb2 67.Qg7 Kc2 68.Qh7 Kb3–/+ 69.Rd1 Qd4 70.Qf7= Kc2 71.Qf3 Qh4–+ 72.Kg6 Qd4 73.Kf7 Qa7 74.Ke6 Qa6 75.Ke5?? a1Q–+ 76.Ra1 Qa1 77.Ke6 Qa6 0–1. Comet B25 – Crafty 19.01, 2004.

    7.g4 Qe6 8.Bg2 Ne4 9.Bd4 d5 =+.

    7.e3 d5

    8.Bd3 Ne4

    9.0–0 Nc3? 10.Bf5 Nd1 11.Bc8 +–.

    9.0–0 Nd7

    10.Nd4!? Nc3 11.Nc3 –/+.

    10.Be4 de4 11.Nd4 –/+.

    10.Kh2 e5–+ 11.a5 Bd6 12.Bb2 0–0 13.Nc3 Nc3 14.Bf5 e4 15.Kh1 Nd1 16.Rfd1 ef3 17.gf3 g6 18.Rg1 b6 19.ab6 (19.Ba3 c5–+) 19...Nb6 20.Bg4 (20.Bc8 Rfc8 21.d3–+) 20...f5 21.Bh5 Kf7 22.Bg6 hg6 23.f4 a5 0–1. Comet B25 – Fritz 8, 2004.

    10.Kh2 e5–+ 11.a5 Bd6 12.Bb2 0–0 13.Nc3? Nc3 14.Bf5 e4 15.Kh1 Nd1 16.Rfd1 ef3 17.gf3 g6 18.Rg1 Rd8 19.f4 Kf8 20.Bg4 b6 21.ab6 Nb6 22.Bd4 c5 23.Bf6 Be7 24.Bc3 d4 25.ed4 cd4 26.Ba5 Bb7 27.Kh2 f5 28.Be2 Bd6 0–1. Comet B25 – Fritz 8, 2004.

    10.Kh2 e5–+ 11.a5 Bd6 12.Bb2 0–0 13.Be2 –+.

    5.h3 Qf5 6.Nf3 d5 7.g4 Qf4

    8.a5 Nd7 9.e3 Qd6 10.d4 –/+.

    8.Be5 Qh6 9.Bg2 f6 –/+.

    8.a5 e6

    9.Be5 Qh6 10.Nc3 –/+.

    9.Be5 Qe4

    10.e3 Nd7

    11.Bd4 Qg6 =+.

    11.Nc3 Qb4

    12.Bd4 Qd6 13.a6 b5 –+.

    12.Ra4 Qe7–/+ 13.Bg3 Nc5 14.Ra1 Ne4 15.Ne4 de4

    16.Ne5 f6 17.Nc4 e5 18.f4 ef3 19.Qf3 –/+.

    16.Ne5 Nf6

    17.Bg2=+ Qb4!? –/+.

    17.Bg2=+ h6 18.a6 =+.

    17.Bg2=+ Qd8 18.g5= Nd7

    19.Nd7 Bd7 20.Qb1 Bc8 21.Be4 Qg5 22.a6 =.

    19.Nd7 Kd7

    20.h4 h6 =.

    20.Qh5 g6

    21.Qh4 Bg7!? 22.Ra3 Qe7 –/+.

    21.Qh4 Bg7!? 22.Ra4 h6 =.

    21.Qh4 Be7

    22.Qe4+= Bg5 23.Rb1 a6 24.Qd4 Ke7 25.Bd6 Qd6 26.Qh8 +=.

    22.Be4? Bg5 23.Bc6 bc6 24.Qd4 Ke7 25.Qc5 Ke8 26.Qc6 Bd7 –+.

    22.Be4? Bg5 23.Qg4 Bf6 =+.

    22.Qe4+= Ke8

    23.a6!? Bg5 24.Rb1 +–.

    23.Be5 Rf8+= 24.a6 Bg5 25.Qb4 Qd7 26.Ra5 b6 27.Ra4 b5? 28.Ra5 Bd8+/– 29.Rb5?? cb5=+ 30.Ba8 Ba6 31.Qa3 Bb7–/+ 32.Bb7 Qb7 33.Rg1 a5 34.Bd6 Rg8 35.Be5 a4 36.Qb4 Qc6 37.Bc3 h6 38.Qf4 g5 39.Qb8 Qd7 40.Bf6= a3 41.Bd8 Qd8 42.Qb5 Ke7 43.Qb3 Qa5 44.Qb7 Kf6 45.Ke2 Rd8 46.d3 a2 47.Qb2 e5 48.Ra1 Ra8 49.c4 h5 50.f4 gf4 51.ef4 h4 52.Kd1 Ke6 53.fe5 Rg8 54.Qf2 Qa4 55.Kd2 Qb4 56.Kc2 Qa4 57.Kc1 Qa3 ½–½. Comet B25 – EXchess 3.11, 2004.

    23.h4 f6 24.a6 Qd5 25.h5 gh5 26.ab7 Bb7 27.Rh5 +=.

    23.h4 Rg8 24.a6+/– Bd6 25.ab7 Bb7 26.Bd6 Qd6 27.d4 +/–.

    23.h4 Rg8 24.a6+/– Qd7 25.Qc4 (25.Rb1 f6+=) 25...f6 26.Bh2 (26.Rb1 Kd8 27.ab7 Bb7 28.Rb7 Qb7 29.Bc6+– (29.Qe6 Re8 30.Bc6 Qc6 31.Qc6 Rh8 32.Bc7 Kc8 33.Bb6 Kb8 34.Qc7)) 26...fg5= 27.hg5 Bg5 28.Be4 Rf8 29.Rb1 ba6?? (29...Bh4 30.Bg6 hg6 31.Qh4+=) 30.Bg3 (Better is 30.Bc6 Be7+–) 30...Be3?? (30...Kd8 31.Bc6 Qg7+–) 31.Bc6 Bd2 32.Ke2 1–0. Comet B25 – EXchess 3.11, 2004.

    3.c3 d5

    4.d4 Nf6 5.Nd2 Bf5 6.Nb3 Qc7 7.e3 e6 8.Bd3 Nbd7 9.a4 (9.Bf5 ef5 10.Qd3 Bd6+=) 9...Bd6 (9...Bd3 10.Qd3 e5 11.Ne2–/+) 10.f4 (10.Bf5 ef5 11.Nf3 0–0+=) 10...Nb6 11.a5 Nc4 12.Bc4 dc4 13.Nd2 Bd3 14.Nh3 g5 15.g3 (15.fg5 Bh2; 15.Ng5 Bf4) 15...Nd5–/+ 16.Kf2 gf4 17.ef4 h5 18.Nf3 f6 19.Re1 Bf5 20.Nhg1 0–0–0 21.Nh4 Bg4 22.Qd2 (22.Ngf3!?+=) 22...Nf4! 23.Re3? (23.gf4 Bf4 Double attack) 23...Nd5 24.Re4? (24.Ree1–+) 24...f5 25.Re6 f4 26.Rd6 Qd6 27.Re1 Rde8 (27...Rhg8 28.a6 fg3 29.hg3 Rdf8 30.Ngf3 Bf3 31.ab7 Kb7 32.Re5–+) 28.Ngf3 Re3 29.gf4 Re1 30.Qe1 Nf4 (30...Nf4 31.Qe4 Nd3 32.Kg1 Rg8–+; 30...Qf4?! 31.Qe5 Qf8 32.Qe2–+) 0–1. Brjuhin,Boris (2110) – Volkov,Sergey (2620), Kimry–ch, 2008.

    4.e3 e5 5.Be2 Bd6 6.a3 Nf6 7.c4 dc4 8.Bc4 0–0 9.Qf3 (9.Nf3 Bg4+=) 9...Bg4 (9...a5!?–/+) 10.Qg3+= c5 11.f3 e4 (11...Be6 12.Be6 fe6 13.Ne2+= (13.Be5? Nh5 14.Qg5 Rf5–+)) 12.Qf2 (12.Qh4 Bd7 13.Bf6 gf6+/–) 12...ef3 (12...Be6 13.Qe2+=) 13.Nf3 (13.Bf6!? gf6 14.Qh4+=) 13...Bf3 14.Qf3 Nbd7 (worse is 14...cb4 15.Bf6 gf6 16.Qg4 Kh8 17.Qh4+=) 15.Bc3 Rae8 16.0–0 cb4 17.ab4 Qc7 18.Bb5 Re7 (18...Bh2!? 19.Kh1 Ra8+=) 19.Bd7 (worse is 19.Bf6 Bh2 20.Kh1 Nf6–/+; 19.Ra7?! Bh2 20.Kh1 Rb8+=) 19...Nd7 20.Qg4 Bh2 21.Kh1 Be5 22.Ra7 Bc3 23.Nc3 Qb6 (23...Qd6 24.Qd4 Qd4 25.ed4=) 24.Rfa1 (better is 24.Nd5 Qh6 25.Kg1+–) 24...Nf6= 25.Qf3 (25.Qc4 Rd7 26.R7a2 Qd6=) 25...Rfe8 (25...Qb4 26.Rb1 Qh4 27.Kg1–/+) 26.Ra8 (26.b5 Rd7=) 26...Kf8 (26...Qd6!?–/+) 27.Re8 Re8 28.Rb1 Re7 29.Nd5 Nd5 30.Qd5 Qh6 31.Kg1 Qb6 32.b5 g6 33.Kf1 Qf6 34.Ke2 Kg7 35.Rc1 Qf4 36.b6 Qg4 37.Ke1 Rd7 38.Qf3 Qf3 39.gf3= Rd6 40.Rb1 f5 41.f4 h5 42.Rb2 h4 43.Kf2 Kh6 44.Kf3 Kh5 45.d4 g5 46.fg5 Kg5 47.Rg2 Kh5 48.Kf4 Rg6 49.Rg6 Kg6 50.d5?? h3 51.d6?? Kf6?? 52.d7 ½–½. smoothoperator (2065) – pwillows (2125), net–chess.com, 2013.

    4.e3 Bf5 5.a3 e5 6.c4 Nd7 7.Nc3 Ngf6 8.d4 e4 9.c5 Qc7 10.a4 Be7 11.Nge2 h5 12.Ng3 Bg4 13.Be2 h4 14.Bg4 hg3 15.Bd7 Nd7 16.h3 gf2 17.Kf2 Bh4 18.Ke2 Qg3 19.Qg1 Rh6 20.Rf1 Rg6 21.Rh2 a5 22.b5 b6 23.Ba3 Rc8 24.Rf5 Rf6 25.Rf6 Bf6 26.bc6 Rc6 27.Nd5 bc5 28.dc5 Nc5 29.Nf6 gf6 30.Rh1 Nb3 31.Qh2 Rc2 0–1. Mette – Kruhme, corr 1956.

    4.e3 Nf6 5.Nf3 Bf5 6.d4 e6 7.a4 Nbd7 8.a5 Qc7 9.Nbd2 Bd6 10.h3 h6 11.Qb3 0–0 12.c4 a6 13.c5 Be7 14.g4 Bg6 15.Rg1 Ne4 16.Ne4 Be4 17.Ne5 Ne5 18.de5 Bh4 19.Bg2 f5 20.Be4? (better is 20.gf5 Bf5 21.Rf1=+) 20...fe4–+ 21.0–0–0 Rf2 22.Bc3 Raf8 23.Rde1? (23.Be1 R8f3 24.Qc3–/+) 23...Rh2 24.Ref1 Bf2 (< 24...Rh3 25.Rf8 Kf8 26.Bd4–+) 25.Rh1 Be3 26.Kb1 Rh1 27.Rh1 Rf3 28.Qc2 Rf2 29.Qd1 Bf4 30.h4 Be5 31.Qe1 Rf3 32.Bd2 Bg3 33.Qc1 Bf4 34.g5 (34.Bf4 Qf4 35.Qf4 Rf4–+) 34...h5 (34...Rb3 35.Kc2 Rb4 36.Qa1 Bd2 37.Qa3 Rc4 38.Kb1–+) 35.g6 (35.Bf4 Qf4 36.Qf4 Rf4–+) 35...Qe5 (better is 35...Rb3 36.Kc2 Rb4 37.Bf4 Rc4 38.Kb3 Rc1 39.Bc7 Rh1–+) 36.Rf1 (36.Bf4 Rf4 37.Qe3–+) 36...Bd2 37.Qd1 Ra3 (38.Qd2 Qa1 39.Kc2 Qf1 40.Kb2 Qa1 41.Kc2 Ra2 42.Kb3 Qb1 43.Kc3 Ra3 44.Kd4 Qa1 45.Qc3 Qc3#) 0–1. Kruchinin,Anatoly – Rozkov,Nikolai (2255), RUS–Cup Nizhniy Novgorod, 1999.

    4.Nf3 Nf6 5.e3 Bg4 6.Be2 Nbd7 7.0–0 g6 8.a3 Bg7 9.d3 0–0 10.Nbd2 e5 11.e4 Nh5 12.h3 Bf3 13.Bf3 Nf4 14.Qc2 Rad8 15.Kh2 Nf6 16.g3 (16.ed5 cd5 17.g3 Nd3 18.Qd3–/+) 16...Ne6?? (better is 16...Nd3 17.a4 Rfe8–+) 17.Rae1 Bh6 (17...de4!? 18.Ne4 Ne4 19.Be4 Rfe8=) 18.ed5+/– Nd5 (18...cd5 19.c4 Nd4 20.Bd4 ed4 21.Nb3+/–) 19.Re5 Qc7 20.c4 Ne7 21.Re4 Nf5 22.Nb3 Ng5 23.Rf4 Nh3?? (better is 23...Nf3 24.Rf3 Nh4=) 24.Rf5+– (24.Kh3 Bf4 25.Qc3 f6 26.gf4 Qf4–/+) 24...gf5 25.Kh3 f6 26.Kg2 Rd7 (26...f4 27.Nd4 Rfe8 28.Bh5+–) 27.Rh1 Kg7 (27...Bg5 28.Nd4 f4 29.Ne6+–) 28.Nd4 Rd4 29.Bd4 f4 30.Qc3 fg3 31.Bf6! Rf6 (31...Kg8 32.Rh4 gf2 33.Rg4 Kf7 34.Bg7+–) 32.Rh6 Qf7 33.Rf6 Qf6 34.Qf6 Kf6 35.Kg3 1–0. misho56 (1800) – opetuslapsi (1800), gameknot.com, 2010.

    4.g3 e6 5.Nf3 Nf6 6.Bg2 a5 7.a3 Be7 8.0–0 c5 9.d4 cd4 10.Qd4 Qd4 11.Nd4 0–0 12.Nd2 Bd7 13.e4 de4 14.Ne4 Ne4 15.Be4 ab4 16.cb4 Nc6 17.Nc6 Bc6 18.Bc6 bc6 19.Rfc1 Ra6 20.Rd1 Rfa8 21.Rac1 Rb8 22.Rd7 Kf8 23.Rc7 Bf6 (23...c5!? 24.Be5 f6 25.Re7 fe5+/–) 24.Bf6+/– gf6 25.Rd1 (25.Rc3 Rba8+=) 25...Kg8 (25...Ra3!? 26.Rdd7 Kg7+= (< 26...Rb4 27.Rf7 Kg8 28.Rg7 Kh8 29.Rh7 Kg8 30.Rhe7+–)) 26.Rdd7 Rf8 27.Ra7 Ra7 28.Ra7 f5 29.Kf1 h5 30.Ke2 Rc8 31.h4 (31.Kd3 Rd8 32.Kc3 Kg7+/–) 31...Kg7 32.Ra5 Kg6 (32...Kf6 33.Kd3+/–) 33.Ke3 Kf6 34.Rc5 Ra8 35.Ra5 (35.Rc3 Ke7+=) 35...Rc8+/– 36.Rc5 (36.f3 Ke7+=) 36...Ra8+= 37.Rc3 Ke5 38.Rd3 (< 38.Rc6 Ra3 39.Ke2 Rb3=+) 38...Kf6 39.f4 (39.Kd4 e5 40.Kc5 e4+/–) 39...Ra4 40.Kd4 Ke7 41.Rc3 Kd6 42.Kc4 Ra6 43.Rd3 Ke7 44.Rc3 (44.b5 Ra4 45.Kc5 cb5 46.Kb5 Ra8+/–) 44...Kd6+= 45.Rd3 (45.Kb3 Kd5+=) 45...Ke7 46.Kb3 Ra8 47.Rf3 Rd8 48.Rc3 Rd6 (48...Rg8 49.a4 Kd6 50.Kc4+/–) 49.a4 Kd7 50.Kc4 Kc7 51.Rd3 Rd3 52.Kd3 f6 53.a5 (53.Kc4!?+/–) 53...e5= 54.fe5 fe5 55.Kc3 Kb7 56.Kc4 e4 57.Kb3 Ka7 58.Kc4 (58.Kc3!?=) 58...Ka6=+ 59.Kd4 Kb5 60.Ke3 c5 61.a6 Ka6 62.bc5 Ka5 63.Kd4 Kb5 64.Kd5 e3 65.c6 Kb6 66.Kd6 e2 67.c7 e1Q 68.c8Q Qg3 69.Ke6 Qh4 (69...Qe3!? 70.Kf6 Qd4 71.Ke6 Qe4 72.Kd6 f4 73.Qc5 Ka6 74.Qh5 f3–/+) 70.Qb8=+ Kc5 71.Qe5 Kc6 (71...Kc4 72.Qe2 Kc3 73.Qe3 Kc2 74.Qe2 Kc1 75.Kf5=+) 72.Qc3 Kb7 73.Qg7 Ka6 74.Qa1 Kb6 75.Qb2 Ka7 76.Qa3 Kb6 77.Qe3 Ka6 78.Qd3 Kb6 79.Qb3 Ka6 80.Qd3 Kb6 81.Qb3 Kc5 82.Qa3 Kc6 83.Qa6 Kc5 84.Qa5 Kc6 85.Qd5 Kb6 ½–½. TerraPi (2235) – AvernoX (2190), ICC, 2001.

    4.Qc2 Nf6

    5.e3 Bg4 6.a3 a5 7.ba5 (7.c4 ab4 8.c5 b3=+) 7...Ra5= 8.c4 e6 9.Bd4 (9.Bf6 gf6 10.cd5 Bf5=+) 9...c5 (9...Qd8 10.Qb2 dc4 11.Qb7=) 10.Bf6 (10.Bc3 Ra7=) 10...gf6 11.Be2 (11.cd5!? ed5 12.Nc3=) 11...Bf5=+ 12.Bd3 (12.d3 dc4 13.Qc4 Bd6=+) 12...Bd3 13.Qd3 d4 (13...Qa6 14.Qc3 dc4 15.Nf3–/+) 14.Qc2 (14.Ra2 Rg8 15.g3 Ra4=) 14...Nc6 15.Ra2 (15.Nf3 Nb4 16.Qb3 Nd3 17.Qd3 Qb2=) 15...Be7 (15...Ne5 16.d3=+) 16.Nf3 (16.Rb2 Qc7=) 16...0–0 (16...Ra4 17.Rb2 Rc4 18.Rb6 Rc2 19.Kd1=+) 17.0–0 Rfa8 18.Rb2 Qc7 19.Rb3 f5 20.Re1 Bf6 21.Qb2 R8a7 22.Qc2 Ra4=+ 23.e4 Na5 24.Rb5 Rc4–/+ 25.Qd3 Ra4 26.ef5=+ Qc6 27.fe6= fe6 28.Ne5 Qd5? 29.Ng4 Bg7 30.Qg3 Kf7 31.Qc7 Kg6 32.Rc5 Qb3 33.Qc8 Ra6 34.Qe8# 1–0. Jew,Harold – Brodie,Hugh, CAN–op Sackville, NB, 2001.

    5.Nf3 Nbd7 =+.

    3.c3 Nf6

    4.Qc2 d5 5.d4 g6 6.g3 Bf5 7.Qd1 a5 8.a3 Bg7 9.Bh3 Bh3 10.Nh3 0–0 11.0–0 Nbd7 12.Nf4 e5 13.de5 Ne5 14.Nd2 Rfe8 15.Rb1 Qa6 16.Qc2 b5 17.Nd3 Ned7 18.Nf3 Qc8 19.Rfd1 Nb6 20.Nd4 Ne4 21.f3 Nf6 22.Kg2 Nc4 23.Bc1 ab4 24.ab4 Nd7 25.h4 Qa6 26.Rh1 Qa2 27.Nb2?? (better is 27.Qa2 Ra2 28.Nc6 Ree2 29.Kh3 Bc3 30.Nf4–/+) 27...Na3–+ 28.Qd2 Nb1 29.Qf4 (29.Qc2 Ra3 30.Bh6 Rc3 31.Qb1 Qb1 (31...Bd4?! 32.Qa2 Rc2 33.Bc1=) 32.Rb1 Bd4–+) 29...Nc3 30.e3 (30.Re1 Qb1–+) 30...Ne5 (better is 30...Na4!? 31.Qc7 Nb8 32.Nc6 Nb2 33.Bb2 Qb2 34.Kh3–+) 31.Kh3 Qa7 32.g4 Qd7 33.Kg3 Ra2 34.h5 Rb2 35.Bb2 Ne4 (better is 35...Nd3 36.Bc3 Nf4 37.ef4–+) 36.fe4 de4 (better is 36...Nd3!? 37.Qf3 Qd6 38.Kh3 Nb2 39.hg6 fg6 40.ed5–+) 37.Bc3 Nd3 38.Qg5 Be5 (39.Kg2 Qd5–+) 0–1. Baxa,Ottokar – Arbinger,Axel (1850), Passau op, 1999.

    4.e3 g6 5.Nf3 Bg7 6.Na3 d5 7.Be2 Bf5 8.0–0 Nbd7 9.Nd4 0–0–0 10.Qb3 h5 11.Nf5 gf5 12.c4 dc4 13.Nc4 Qc7 14.Rac1 Ng4 15.g3 h4?? (better is 15...Bb2 16.Nb2 h4+=) 16.Bg7+– Rhg8 17.Bg4 fg4 18.Bd4 hg3 (18...Kb8+–) 19.fg3 (worse is 19.hg3 Kb8+–) 19...f6 20.Na3 a6 21.b5! ab5 (21...ab5 22.Nb5; 21...cb5 22.Rc7) 22.Nb5! Qa5 (22...cb5 23.Qb4 Double attack) 23.Na7 Kc7 24.Nb5 Kc8 25.Rf5 Ne5 (25...e5+–) 26.Qe6 Kb8 27.Be5 fe5 28.Qe5 Ka8 (28...Rd6 29.Qe7 cb5 30.Qd6 Ka7+–) 29.Nc7 Qc7 30.Qc7 Rd2 (30...Rd5 31.Rc3 b6 32.Rd5 cd5 33.Ra3) 31.Ra5 1–0. madik – monkeyunit, gameknot.com, 2011.

    4.g3 d5 5.Bg2 e5 6.d3 c5 7.Qb3 cb4 0–1. Behrmann – Scherfke, 1997.

    4.Nf3 d5

    5.Qa4 Nbd7 6.d4 e5 7.de5 Ng4 8.e3 (8.Nd4!?=+) 8...Nc5! –/+.

    5.Qa4 Bg4 6.h3 (6.Ne5 e6=+) 6...Bf3 7.ef3 Nbd7 8.Be2 e5 9.Qa5 (9.0–0!?=+) 9...Qa5–/+ 10.ba5 Bd6 11.0–0 Nh5 12.Re1 Nf4 13.d4 0–0 14.Ba3 Ba3 15.Na3 Rae8 16.Bf1 ed4 17.cd4 Nf6 18.Re3 Ne6 19.Rb1 Re7 20.Nc2 Rc8 (20...Rfe8 21.Bd3–/+) 21.Bd3 c5 (21...Kf8 22.Bf5 Rcc7 23.a6–/+) 22.Bf5 (22.dc5 Rc5 23.a6 b6=+) 22...c4 –/+.

    5.e3 Bf5 6.a4 Nbd7 7.Nd4 (7.a5 Qc7=) 7...Bg4 (7...Bg6 8.a5 Qc7 9.a6=+) 8.f3= Bh5 9.g4 Bg6 10.a5 Qc7 11.g5 Nh5 12.f4 Be4 (better is 12...e5 13.fe5 Ne5=+) 13.Ne6?? (13.Rg1 Bb1 14.Rb1 g6+=) 13...Qd6?? (better is 13...fe6 14.Rg1 g6–+) 14.Nf8= Rf8 15.Rg1 +=.

    5.e3 Bf5 6.d4 e6 7.Bd3 Bd3 8.Qd3 c5 (8...a5 9.a3=+) 9.dc5= Bc5 10.Nbd2 (10.bc5 Qb2) 10...0–0 (better is 10...Be7=+) 11.0–0–0? (11.bc5 Qb2 12.Rb1 Qa2 13.Rb7–/+) 11...Be7 –/+.

    3.Bc3 d5

    4.e3 Nf6 5.a3 Bg4 6.Qc1 Nbd7 7.d3 e5 8.Qb2 Bd6 9.Nd2 0–0 10.h3 Be6 11.Ngf3 Qc7 12.Be2 ½–½. Shanava,K (2535) – Azaladze,S (2420), 4th Karen Asrian Memorial, 2011.

    4.Nf3 Bf5 5.e3 Nd7 6.a4 Ngf6 7.a5 Qc7 8.Be2 e5 9.d3 Be7 10.0–0 0–0 11.Nbd2 h6 12.Nb3 a6 13.h3 e4 14.Nfd4 Bg6 15.f4 ef3 16.Bf3 Ne5 17.Be2 b6 18.Qe1 c5? (18...b5 19.Nf5 Bf5 20.Rf5+=) 19.Nf5 (better is 19.ab6!? Qb6 20.Nc5 Bc5 21.bc5+–) 19...Bf5+= 20.Rf5 Ned7 21.ab6 Qb6 22.bc5 Bc5 23.Bd4 Bd4 24.Nd4 Rfe8 25.Qg3 Qb2 26.Raf1 Qb8 27.R5f4 Qe5? (better is 27...Nf8=) 28.Nf5+– Nh7?? (better is 28...g6 29.Nh6 Kg7+–) 29.Nh6 (29.Nh6 Kh8 30.Nf7 Kg8 31.Ne5 Re5 32.Qg6+–) 1–0. Goofy (2000) – Hal1958, playchess.de, 2006.

    4.e3 Nd7

    5.Nf3 f6 6.a4 =.

    5.Nf3 Ngf6 6.a3 e6 7.Bd4 (7.Ne5 Qc7 8.Nd7 Nd7=) 7...Qc7=+ 8.Be2 (8.Bf6 Nf6 9.Be2 Bd6=+) 8...Bd6 9.0–0 (9.Bb2 e5=+) 9...0–0 (9...e5 10.Bc5 Bc5 11.bc5–/+) 10.h3 (10.Bf6 Nf6 11.d4 a5 12.ba5 Qa5=+) 10...Re8 11.d3 (11.c4 dc4 12.Bc4 a5=+) 11...e5 12.Bb2 Nf8 (12...a5 13.Qd2=+) 13.Nbd2 (13.c4 b6=) 13...Bd7 (13...a5 14.Nb3=+) 14.e4 (14.c4 b6=) 14...Rac8 15.Nh2 Ng6 16.Ng4 Ng4 17.Bg4 Bg4 18.Qg4 d4 19.Nf3 Nf4 20.g3?? h5–+ 21.Qf5 g6 22.Qc8 Qc8 23.gf4 Qh3 24.Nh2 ef4 25.f3 Re5 26.Rf2 Rg5 27.Kh1 Qg3 28.Bd4 Be5 29.Ng4 hg4 30.Rg1 Rh5 31.Rh2 Rh2# 0–1. Wlosek,M – Blaszczak,Jan, corr 2. AMM Poland, 1994.

    5.Nf3 Ngf6 6.Be2 Ne4 7.a3 =+.

    5.Nf3 Ngf6 6.Be2 e6 7.a3= Bd6 8.0–0 e5 9.d3 =+.

    5.Nf3 Ngf6 6.Be2 e6 7.a3= Bd6 8.d4 Ne4 =.

    4.e3 Bf5

    5.Nf3 Nd7 6.Nd4 Bg6 7.f4 e6 8.a4 a6 9.Be2 Ngf6 10.0–0 Be7 11.f5 ef5 12.Nf5 Bf5 13.Rf5 g6 14.a5 Qc7 15.Rf2 Rg8 16.d3 0–0–0 17.Nd2 Rdf8 18.Qf1 Qd6 19.Rd1 Qe6 20.e4 h5 21.h3 h4 22.Re1 de4 23.Ne4 Ne4 24.de4+/– Bd6 25.Bc4 Qe7 26.Rf7 Rf7 27.Qf7 Rf8 28.Qe7 Be7 29.e5 g5 30.Be6 Kc7 31.Rd1 Rd8 32.Bg4 b6 33.Kf1 ba5 34.ba5 Nf8 35.Rd8 Kd8? 36.Be2 1–0. Lukovski,Lev (1945) – Hespers,Rolf, Bad Wildungen op Seniors–B 1st, 2004.

    5.Nf3 Nf6 6.Nd4 Bg6 7.d3 e6 8.Be2 Nbd7 9.a3=+ Bd6 10.Nd2 0–0 11.h4 h5 12.N2f3 e5 13.Nb3 Qc7 14.Bd2 e4 15.Ng5 Rae8 16.d4 b6 17.c4 dc4 18.Bc4 Nd5 19.Rc1 Qb7 20.Be2 N7f6 21.0–0 Nc7 22.Qc2+/– Rd8 23.Qc6 Qc6 24.Rc6 Rfe8 25.Rfc1 Rd7?? 26.b5 Ne6 27.Ne6+– Re6 28.Bc4 Ba3 29.Be6 fe6 30.R1c2 Rd6?? 31.Rc7 Rd7 32.Rd7 Nd7 33.Ra2 Bd6 34.Ra7 Nf6 35.Ra8 Kh7 36.Be1 Nd5? 37.Nd2 Bb4 38.Kf1 Be7 39.Rb8 Bh4 40.Nc4 Bf6 41.Nb6 Bf7 42.Nd5 ed5 43.b6 Kg6 44.b7 h4 45.Rc8 1–0. mic (2185) – cyrilrussell (2295), net–chess.com, 2009.

    3.c4 Qb4–/+

    4.Qc2 d6

    5.e3 e5 6.Bc3 Qb6 7.d4 =+.

    5.e3 Nf6 6.Bc3 Qb6 7.d4 =+.

    5.e3 Nh6

    6.Bc3 Qb6 =+.

    6.Bc3 Qc5 =+.

    6.Nc3 e5

    7.Rb1 Qa5 =+.

    7.Bd3 f5 8.Rb1 Qa5 9.Nh3 (9.Be2 Be6=+) 9...Be7 10.0–0 (10.Be2 f4–/+) 10...0–0 11.Na4 (11.Be2 Be6–/+) 11...Na6 (11...Be6 12.Bc3 Qc7 13.Qb2–/+) 12.c5 (12.Be2–/+) 12...e4 (12...Nb4 13.Qb3 Nf7 14.cd6 Bd6 15.Bc4–/+) 13.Be2? (13.Bc3 Qc7 14.Ba6 ba6=+) 13...d5 14.Nf4 Nc5–/+ 15.Nc5 Qc5–+ 16.Qb3 Qb6 17.Qc2 Qd8–+ 18.Rfc1 Bd6 19.Bg7 Bf4?? 20.Bf8= Bh2 21.Kh2 Qf8 22.Rh1 f4 23.Qc3 f3 24.gf3= ef3 25.Bd3 Qe7 26.Rbg1+/– Ng4 27.Kg3 Qg5 28.Kf3+– Bf5? 29.Ke2 Rf8 30.f3 h5 31.fg4 Bg4 32.Ke1 Rf7 33.Be2 Rg7 34.Bg4 hg4 35.Rg3 Qf5 36.Rhg1 (36.d3 Qe6+–). Szczesiak,Zenon – Blaszczak,Jan, corr 2. AMM Poland, 1994.

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

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