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TESTA Release 2016-11-01
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4

(...)

1...b6 (--> 1.b4 b6).

1...d6 (--> 1.b4 d6).

1...g5 (--> 1.b4 g5).

1...g6 (--> 1.b4 g6).

1...a6

2.a3 a5 3.b5 Nf6 4.Nf3 d5 5.Bb2 e6 6.e3 Nbd7 7.d4 Nb6 8.Ne5 =.

2.a3 d5 (--> 1.b4 d5 2.a3 a6).

2.a3 d6 3.Bb2 Nf6 4.Nc3 g6 5.d4 Bg7 6.Nf3 0–0 7.e4 Bg4 8.Be2 Nc6 9.0–0 e5 10.de5 (10.d5 Bf3 11.Bf3 Nd4+=) 10...de5= 11.h3 Be6 (11...Bf3 12.Bf3 a5 13.b5 Qd1 14.Bd1=) 12.Ng5 (12.Qd8 Rad8 13.Bd3 h6=) 12...Bd7 13.Nf3 Be6 14.b5 (14.Qd3 Nh5=) 14...ab5+= 15.Nb5 Qe7 16.c4? (better is 16.Ne5!? Ne5 17.Be5=) 16...Ne4–/+ 17.Qc2 Nd6 (17...Nc5 18.Rad1–/+) 18.Rad1 Rfd8 0–1. Leclerc,Sophie – Inving,Yugi, FICGS, 2008.

2.a3 e6 3.Bb2 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a6).

2.a3 f5 3.g3 e6 ˝–˝. Cubas,Jo (2430) – Zambrana,O (2385), Bled, 2002.

2.a4 b5?? (--> 1.b4 b5 2.a4 a6??).

2.a4 d6 3.c4 Nd7 4.e3 Ngf6 5.d4 g6 6.b5 Bg7 7.Qb3 0–0 8.Bb2 c5 9.d5 b6 10.Nf3 a5 (10...e5!?+=) 11.Bd3+= e6 12.h3 (12.0–0 Qe7+=) 12...ed5 13.cd5 Bb7 14.e4 (better is 14.Bc4!?=) 14...Re8+= 15.Nbd2? (better is 15.0–0 Ne4 16.Bg7 Kg7 17.Be4 Re4 18.Nc3+=) 15...Nh5?? (better is 15...Bd5 16.Qc3 Ne5–+) 16.Qc4?? (better is 16.Bg7 Ng7 17.0–0+=) 16...Bb2–+ 17.Ra2 Bg7 18.0–0 Ne5 19.Ne5 Re5 20.Nf3 Re8 21.Nh2 (21.Rc2 Nf4–+) 21...Nf6 (better is 21...Nf4 22.Nf3–+) 22.f4 (22.Nf3 Qe7–+) 22...Qe7 (22...Ne4 23.Be4 Bd4 24.Kh1 Re4 25.Rc2–+) 23.Re2 Bc8 24.g4 White prepares the advance f5 24...Bb7 25.f5 Qd7 26.g5 Nh5 27.f6 Bf8 28.Ng4 Qc7 29.Kg2 Bc8 30.Nh2 Qd7 31.Ng4 Qd8 32.e5?! Bg4 33.hg4+= Nf6 34.gf6 Re5–+ 35.Re5 de5 36.Be4 Bh6–+ 37.d6 Qd6?? 38.Ba8+– Bf4 39.Bf3 Qf6+/– 40.Qd5 Qh4 41.Qa8 Kg7 42.Rh1?? Qg3+= 43.Kf1 Qf3 44.Qf3+– h6 45.Ke2 Kf6 46.Qc6 Kg7. huno – golfx, kurnik, 2011.

2.a4 g6 3.Bb2 Nf6 4.e3 Bg7 5.Nf3 d6 6.c4 Nh5 7.Bg7 Ng7 8.Nc3 0–0 9.b5 ab5 10.ab5 Ra1 11.Qa1 Nd7 12.d4 b6 13.Be2 Bb7 14.0–0 Nf6 15.Nd2 c6 16.bc6 Bc6 17.d5 Bd7 18.h3 e6 19.e4 ed5 20.cd5 b5? 21.Nb5 Qb6?? 22.Nc3 Qd4 23.Nf3 Qc5 24.Rb1 Nfh5 25.Rb5?? Bb5+= 26.Nb5 Nf4 27.Bf1 Rb8 28.Nbd4 Ne8 29.g3 Nh5 30.Kg2 Nhf6 31.Nc6? Rb3?? 32.Qa8 Qb6 33.Ne7?? Kg7 34.Qa2?? Rb2–+ 35.Qa1 Qf2 36.Kh1 Qf3 37.Kg1 Qg3 38.Kh1 Qh2 0–1. poganinbezdom – kot63 (1795), kurnik, 2011.

2.a4 h6 3.Nf3 e6 4.Ba3 d5 5.e3 Ne7 6.d4 g5 (6...Nf5 7.Bd3=) 7.Bd3+= Bg7 8.0–0 0–0 9.b5 ab5 10.ab5 Re8?? (Better is 10...Qe8–/+) 11.Be7+– Qe7 12.Ra8 Nd7 13.Be2 b6 (13...e5 14.de5 c6 15.bc6 bc6 16.Ra7+–) 14.Nc3 c5 (14...Qd6 15.Qd2+–) 15.bc6 Nf6 16.Nb5 Ne4 17.c4 dc4 18.Bc4 Nd6 19.Qa4 Nc4 20.Qc4 e5 21.Ne5 Be5 22.de5 Qe5 23.Rd1 Kg7 24.Nd6 Be6 25.Ne8 1–0. b4_player (2135) – NN, GameColony.com, 2002.

2.Bb2 c6 (--> 1.b4 c6 2.Bb2 a6).

2.Bb2 e5 (--> 1.b4 e5 2.Bb2 a6).

2.Bb2 h5 (--> 1...h5 2.Bb2 a6).

2.b5 d5 (--> 1.b4 d5 2.b5 a6).

2.c3 b6 3.a4 Bb7 4.f3 e6 5.e4 e5 6.d4 Bd6 7.d5 h6 8.Bd3 Nf6 9.Ne2 Be7 10.Ng3 d6 11.Nf5 0–0 12.0–0 Bc8 13.Nh6 gh6 14.Bh6 Re8 15.Qd2 Nh7 16.f4 ef4 17.Qf4 Bf6 18.Nd2 Nd7 19.Rf2 Ne5 20.Be2 Re7 21.Raf1 Ng6 22.Qe3 Bg5 23.Bg5 Ng5 24.Qg5 Re5 25.Qh6 Bd7 26.Bh5 Qf8 27.Qf8 Rf8 28.Bg6 fg6 29.Rf8 Kg7 30.R8f7 1–0. martenkaa91 – anakondak234, kurnik, 2012.

2.c3 e5 3.Bb2 d5 4.e3 Nc6 5.Be2 Bd7 6.Na3 Nf6 7.Nf3 Be7 8.0–0 0–0 9.Nc2 h6 10.d4 e4 11.Nd2 Nh7 12.f3 ef3 13.Nf3 Bf5 14.Nce1 Be4 15.Bd3 Ng5 16.Ng5 Bg5 17.Be4 de4 18.Qe2 b5 19.g3 Ne7 20.Ng2 Nd5 21.c4 bc4 22.Qc4 Be3 23.Kh1 Bg5 24.Bc1 Bc1 25.Rac1 e3 26.Rf5 c6 27.Nf4 Nf4 28.Rf4 Re8 29.Re1 Qe7 30.d5 e2 31.dc6 Rac8 32.a3 Qe6 33.Qc3 Qd5 34.Kg1 Rc6 35.Qd4 Qd4 36.Rd4 Rc3 37.Rd2 Ra3 38.Rde2 Re2 39.Re2 1–0. jarmuta – soloxte, kurnik, 2012.

2.c3 Nf6 3.e3 g6 4.b5 Bg7 5.Qb3 0–0 6.Nh3 e6 7.Ng5 d5 8.h4 Nbd7 9.g4 Ng4 10.Be2 Ngf6 11.h5 Nc5 12.Qb4 Nce4 13.hg6 Ng5 14.gh7 Kh8 15.Bd3? Nf3 16.Kd1 Ne4 17.Be4 de4 18.d4 Qd5 19.Nd2 Ng5 20.Ba3 ab5 21.c4 bc4 22.Nc4 b5 23.f4 Nf3 24.Ne5 Ra4 25.Qb3 Ne5 26.fe5? c5 27.Bc5?? Qb3 28.ab3 Ra1 29.Ke2 Rh1 30.Bf8 Bf8 31.Kf2 Kh7 32.Kg2 Rb1 33.Kg3 Rb3 34.Kf4 Bh6 35.Ke4 Re3# 0–1. solidsteel – swtbjgrl, Live Game Caissa's Web, 2005.

2.c3 g6 3.Bb2 Bg7 4.Nf3 e6 (4...Nf6 5.e3=) 5.e4+= Ne7 6.Bc4 (6.d4 d5 7.Bd3 Bd7+=) 6...0–0 7.0–0 b5 (7...d5 8.ed5 ed5 9.Be2=) 8.Bb3 (8.Bd3 Nbc6 9.Qc2 f5=) 8...Bb7 9.d3 (9.Qe2 a5 10.d4 ab4 11.cb4 f5=) 9...d5 (9...Nbc6 10.Qe2=) 10.e5 Nd7 (10...Nbc6 11.d4=) 11.d4 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 f6 15.ef6 Nf6 16.Re1 Bc8 17.Nbd2 c6 18.Bb2 Rf7 (18...Qd6 19.Bc1+/–) 19.Ne5 Rf8 20.Ndf3 Nd7 21.Qa1 Ne5 22.Ne5 Be5 23.Re5 Bd7 24.Bc1 Qe8 25.Bh6 Rf7 26.Qe1 Nf5 27.Bg5 Kg7 28.g4 Ne7 29.Qe3 Ng8 30.Bh4 h6 31.f4 Qf8+= 32.Bg3 Nf6 33.h3 Ne4 34.Bh2 g5 35.Re4+/– de4 36.Qe4 Exerts pressure on the isolated pawn 36...gf4 37.Qe5 Rf6 38.Bf4+= Qf7? 39.Bc2?? Kg8= 40.g5?? Rf4–+ 41.Bd3 hg5 42.Qb8 Kg7 43.Qe5 Qf6 (43...Qf6 44.Qd6 Be8 45.Qc7 Bf7 46.Qc6 Rf3–+) 0–1. bratek55 (1615) – vasilem (1645), kurnik, 2011.

2.c3 h6 3.e3 (3.e4 Nc6=) 3...d6 (3...e5 4.d4 e4 5.d5=) 4.Nf3 Bd7 (4...e5 5.d3=) 5.d4+= Nf6 6.Bd3 g5 7.h3 b5 (7...d5 8.Ne5+=) 8.Bb2 c6 (8...Bg7 9.a4 ba4 10.e4+=) 9.Nbd2 (9.a4 Bg7+=) 9...d5 (9...a5 10.ba5 Qa5 11.e4+=) 10.Qc2 (better is 10.a4+/–) 10...e5? (better is 10...a5!?+=) 11.de5+– Nh7?? (better is 11...Nh5+–) 12.Bh7 Rh7 (12...Bg7 13.a4+–) 13.Qh7 f5 (13...a5+–) 14.Qh6 Bh6–+ 15.0–0–0 Qe7 16.g4 fg4 17.hg4 Qf8 18.Rh6 Qh6 19.a3 Bg4 20.Kb1 Bf3 21.Nf3 Qh3 22.Nd4 Nd7 23.Ka1 Ne5 24.Nc2 Nf3 25.Re1 Ne1 26.Ne1 Qe3 27.fe3–/+ 0–0–0 28.Bc1 a5 29.Kb2 ab4–/+ 30.ab4 d4?? 31.ed4 Rd4?? 32.cd4+– c5 33.dc5 g4 34.Ng2 Kb8 35.Kb3 g3 36.Be3 Ka8 37.Nf4 Ka7 38.Nd3 g2 39.Nf4 g1Q 40.Bg1 Ka6 41.Ne2 1–0. Fournier,Frederic (1660) – trombondevaras (1610), Active, 2011.

2.Nc3 e5 3.e4 (3.Nf3 Nc6 4.a3 d5+=) 3...Bb4+= 4.Bc4 (4.Nd5 Nc6 5.Nb4 Nb4+=) 4...b5 (better is 4...Nf6–/+) 5.Bf7?? (better is 5.Bd5 Nc6 6.Nf3+=) 5...Kf7–+ 6.Qf3 (6.Nf3 Nc6 7.a4 Bb7–+) 6...Nf6 7.Nge2 (7.Nd5 Ba5–+) 7...Bc3 (7...d6 8.h3–+) 8.Nc3 (8.Qc3 d5 9.Bb2 Re8 (worse is 9...Ne4 10.Qe5 Nf6 11.0–0–+) 10.ed5 Nd5–+) 8...Bb7 (8...Nc6 9.0–0–+) 9.0–0 g6 (9...Nc6 10.Qh3–+) 10.d4 (10.Qe3 Kg7–+) 10...ed4 11.Nd5 Bd5 12.ed5 h6 13.Qb3 d6 14.Bb2 Kg7 15.Bd4 Kh7 16.Rae1 Rf8 17.Qe3? Nd5 18.Qd3 Nb4 19.Qb3 N4c6 20.Qc3 Nd7 21.Qg3?? Nd4–+ 22.Qe3 Nc2 23.Qh3 Ne1 24.Re1 c5 25.f4 Rf4 26.Qd3 Qh4 27.g3 Rg4 28.Re4 Qg5 29.Rg4 Qg4 30.Qd6 c4 31.Qe7 Kh8 32.Qf7 Nc5 33.Qf6 Kg8 34.Qd6 Ne4 35.Qd5 Kg7 36.Qa8 c3 37.Qa7 Kf6 38.Qa6 Kg5 39.Qb5 Qf5 40.h4 Kg4 41.Qe2 Qf3 42.Qf3 Kf3 43.Kh2 c2 44.Kh3 c1Q 45.h5 gh5 46.g4 Qh1# 0–1. interloper – Eries, ChessWorld.net, 2011.

2.Nc3 g6 3.e4= Bg7 4.Nge2 e5 5.Rb1 Nc6 6.d3 Nd4 7.Be3 d6 8.a4 b6 9.b5 ab5 10.Nb5 c5 11.c4 Ne7 12.Nec3 0–0 13.g4 Bd7 14.Bg2 Bb5 15.ab5 Qd7 16.0–0 Ra3 17.Rc1 Rfa8 18.g5 R8a5 19.Kh1 f5 20.ef5 Nef5 21.Bd5 Kh8 22.Bd4 cd4 23.Nb1 Ra2 24.Nd2 Ne7 25.Be4 d5 26.Bf3 Rb2 27.Rb1 Rba2 28.Nb3 R5a3 29.Nc1 Ra1 30.Nb3? Rb1–+ 31.Qb1 Qh3?? 32.Bg2=+ Qg4 33.cd5 Qd7 34.Qb2 Qd6 35.Qb1 Bf8?? 36.Nd2+/– Rc3? 37.Ne4+– Qb4 38.Qb4 Rd3 39.Ra1 Kg7 40.Qc4 Rc3 41.Nc3 Nf5 42.Qc7 (42...Be7 43.Qe5 Kf7 44.d6 Nd6 45.Bd5 Ke8 46.Ra8 Nc8 47.Rc8 Kd7 48.Qe6) 1–0. deepaktnj – rla, internet, 2007.

2.c4 b6 3.a4 Bb7 4.Bb2 d6 (4...Nf6 5.a5+=) 5.Nf3= Nd7 6.e3 Ngf6 7.d4 g6 8.Bd3 Bg7 9.0–0 0–0 10.Re1 c5 11.d5 (better is 11.bc5!? bc5 12.Nc3=) 11...cb4–/+ 12.Qb3 a5 13.Nbd2 Nc5 14.Qc2 Nd3 15.Qd3 Rc8 16.h4 (16.e4 Re8–/+) 16...e6 17.e4 e5 18.Ng5 h6 19.Nh3 Qd7 20.f4 ef4 21.Nf4 Rc7 22.e5 de5 23.Be5 Rc5 24.Bd4 Rc7 25.Nf3 Re8 26.Ne5?? Qd6–+ 27.h5 g5 28.c5 bc5 29.Qf5 Nd5 30.Nc4 Qd7 31.Re8 Qe8 32.Nd5?? Bd5 33.Bg7 Kg7?? 34.Ne5?? Be6 35.Qe4 Re7 36.Re1 Bb3 37.Nc6 Re4 (37...Re4 38.Re4 Qe4 39.g4 Qe1 40.Kh2 Qf2 41.Kh3 Bc4 42.Nb4 Bf1#) 0–1. dick54 – golfx, kurnik, 2011.

2.c4 Nf6 3.Nf3 =.

2.c4 g6 3.Bb2 f6 4.a4 e5 5.b5 Bc5 6.e3 d6 7.Qb3 Bf5 8.Nc3 Nh6 9.Nf3 e4 10.Nh4 g5 11.Nf5 Nf5 12.Ne4 Nd7 13.d4 Bb6 14.c5 dc5 15.dc5 Nc5 16.Nc5 Bc5 17.Qe6 Ne7 18.Bc4 Bb4 19.Ke2 Qd2 20.Kf3 Rf8 21.Bf6 g4 22.Kg4 Rg8 23.Kh3 Qf2 24.Qf7 Kd7 25.Rhd1 Bd6 26.Be6 Kd8 27.Be7 1–0. jura1946 – salpas, kurnik, 2012.

2.c4 h6 3.a4 e5 4.b5 Qf6 5.Bb2 ab5 6.cb5 Bd6 7.e3 Ne7 8.f4 Qf5 9.Nf3 ef4 10.Bg7 Rg8 11.Bh6 fe3 12.Be3 Nd5 13.Bf2 Qe4 14.Be2 Rg2 15.Kf1 Rg8 16.Nc3 Nc3 17.dc3 Qg6 18.Rg1 Qh7 19.Bd3 f5 20.Qe2 Kd8 21.Rg8 Qg8 22.Bf5 Be7 23.Re1 d6 24.Qe7 1–0. jura1946 – jhonatanerick, kurnik, 2012.

2.d3 d5 3.Nf3 a5 4.b5 c6 5.bc6 bc6 6.Ba3 a4 7.Nc3 Nf6 8.Ne5?? Nbd7?? 9.f4 d4–/+ 10.Ne4 Ne4 (11.de4 Ne5 12.fe5 Qa5 13.Qd2 Qe5–+) 0–1. joeuno – Wildwild, internet, 2005.

2.d3 e6 3.c3 Nc6 4.Nf3 Nf6 5.g3 Be7 6.Bg2 d5 7.Bf4 Bd7 8.Nbd2 Bd6 9.Bd6= cd6 10.0–0 0–0 11.e4 de4 12.Ne4 d5 13.Nf6 Qf6 14.d4 Rac8 15.a4 Rc7 16.Qb1 Rfc8=+ 17.Qb2 Qh6 18.b5 Na5=+ 19.Ne5 Nc4 20.Nc4 Rc4 21.ba6 ba6 22.Rfc1 Qg5 23.a5 g6 24.f4 Qd8 25.Bf1 R4c6 26.Rcb1 h5 27.Ra3 h4 28.Bd3 Kg7 29.Rb3 hg3 30.hg3 Qa5 31.Ra1 Qd8 32.Ba6 Ra8 33.Bd3 Rcc8 34.Ra8 Ra8 35.c4 Qa5 36.c5 Qe1 37.Bf1 Ra4 38.Qf2 Qf2 39.Kf2 Rd4 40.Rb6 Rd2 41.Ke3 Rc2 42.Kd4 Rc1 43.Be2 Kf6 44.Ra6 Ke7 45.g4 f6 46.Ra7 Kd8 47.Ra8 Kc7 48.Ra7 Kc6 ˝–˝. Cirulis,Ilmars (1775) – Leclerc,Sophie, FICGS, 2008.

2.d4 b5 3.a4 c6 4.a5 (4.e4 Nf6 5.Bd3 Bb7+=) 4...Bb7 5.Be3 d6 6.Nf3 Nd7 7.Nc3 c5 8.dc5 dc5 9.Bc5 Nc5 10.bc5 Qc7 11.Qd4 Rd8 12.Qb4 e6 13.Rd1 Rd1 14.Nd1 Qc5 (14...Bc5 15.Qg4 f5 16.Qh5 g6 17.Qh4–+) 15.Qc5–/+ Bc5 16.e3 (16.c3!?–/+) 16...Bb4–+ 17.c3 Ba5 18.Ke2 (18.Nd4 Nf6–+) 18...Nf6 19.g3 (19.Nd2 Ne4 20.Ne4 Be4–+) 19...Nd5 20.Kd3 (20.Bg2 Ke7–+) 20...0–0 (better is 20...Nf4! 21.gf4 Bf3 22.Bg2 Bg2 23.Rg1–+) 21.Bg2 Rd8 22.Kc2 Nf6 23.Ne5?? Bg2 24.Rg1 Be4 25.Kb3 Nd5 26.c4 bc4 27.Kc4 Rc8 28.Kd4 Bb6 29.Ke4 a5 30.Nb2 Nf6 31.Kf3–/+ g6 32.Na4 Rc2?? 33.Nb6+– Rb2 34.Nbd7 a4?? 35.Nf6 Kg7 36.Nfg4 a3 37.Ra1 a2 38.Nd3 Rd2 39.Nc1 h5 40.Ne5 f6 41.Ned3 e5 42.Ra2 Ra2 43.Na2 Kf7 44.g4 hg4 45.Kg4 e4 46.Nc5 f5 47.Kg5 Kg7 48.h4 Kf7 49.h5 gh5 50.Kh5 Kf6 51.Nc3 Ke5 52.Nd7 Ke6 53.Nf8 Ke5 54.Ng6 Kf6 55.Nd5 Ke6 56.Ndf4 Kf6 57.Kh4 Kf7 58.Kg5 Kg7 59.Kf5 Kf7 60.Ke4 Kf6 61.Kd5 Kf5 62.e4 Kf6 63.e5 Kf5 64.e6 Kf6 65.e7 Kf7 66.Kd6 Ke8 67.Ne6 Kf7 68.Ne5 Ke8 69.Ng7# (69.Nc7#) 1–0. haxhi – golfx, kurnik, 2011. (=1.d4 a6 2.b4)

2.d4 Nc6 3.d5 Nb4 4.a3+/– e6 5.ab4 Bb4 6.c3 Bc5 7.de6 fe6 8.e3 Qf6?? 9.Qh5 g6 10.Qc5 c6 11.Nd2 Ne7 12.Ne4 Qf7 13.Nd6 (13...Kf8 14.Nf7 Kf7 15.Qe5+–) 1–0. pozarski (2090) – kanitha, GameColony.com, 2002.

2.d4 d5 (--> 1.b4 d5 2.d4 a6).

2.d4 d6 3.h4 (3.Nc3 Nf6=) 3...h6 4.Nf3 Nf6 5.Nc3 Nc6 6.Ne5?? (6.d5 Ne5= (6...Nb4? 7.a3+–)) 6...d5 (better is 6...de5 7.d5 Nb4–+) 7.f4 (better is 7.Bf4!?=) 7...Bf5–/+ 8.a3 Ne4 9.g3?? (better is 9.Nc6 bc6 10.Ne4 Be4 11.e3+=) 9...Nc3–+ 10.Qd3 (10.Qd2 Ne4 11.Qe3–+) 10...Bd3 11.cd3 Nd4 12.Bb2 Ndb5 (better is 12...Nc2 13.Kd2 Na1 14.Bh3–+) 13.a4 d4 (better is 13...Qd6 14.ab5 Qb4 15.Ba3–+) 14.e3 (14.ab5 Qd5 15.Kf2 Qb5 16.Bc3 dc3–+) 14...de3 (better is 14...Qd5!? 15.Rh2 Qb3 16.ab5 de3 17.Rc1–+) 15.ab5 Nb5 16.d4 Nd4 17.Bd4 Qd4 18.Rd1 Qb4 19.Ke2 e6 (better is 19...Qe4 20.Rg1 e6–+) 20.Bg2 Bc5 (better is 20...Qb2 21.Kf3 Qf2 22.Ke4–+) 21.Bb7 Ra7 (21...Qb7 22.Nf3 Qb2 23.Rd2 ed2 24.Nd2 Rd8 25.Rd1 Qc2 26.Kf3 Qd1 27.Kg2 Rd2 28.Kh3 h5 29.f5 Qg4) 22.Rb1?? (better is 22.Bc6 Ke7 23.Rd7 Kf8 24.Rd8 Ke7 25.Rd7 Kf8 26.Rd8 Ke7 27.Rd7=) 22...Qa3 (22...Qd2 23.Kf3 Rb7–+) 23.Ra1 Qb2 24.Kf1 Qf2 0–1. prakeshdesai (1785) – valerypavlovich (2140), net–chess.com, 2015.

2.e3 g6 3.Bb2 f6 4.Nf3 Bg7 5.Be2 b6 6.0–0 Bb7 7.h3 e5 8.d3 Ne7 9.c4 d5 10.cd5 Nd5 11.a3 Qe7 12.e4 Nf4 13.Bc1 Nd7 14.Bf4 ef4 15.Nc3 0–0–0 16.b5 a5 17.a4 f5 18.Re1 Bc3 19.Rf1 Ba1 20.Qa1 fe4 21.de4 Qe4 22.Re1 Qf5 23.Nd4 Qf7 24.Nc6 Rde8 25.Bf3 g5 26.Na7 Kb8 27.Nc6 Kc8 28.Na7 Kb8 29.Nc6 Bc6 30.Bc6 Re1 31.Qe1 Nc5 32.Qd1 Na4 33.Qa4 Rd8 34.Qe4 Qb3 35.Ba8 Qb5 36.Qb7 1–0. joaquimbage – jlvin, kurnik, 2012.

2.e4 c6 3.d4 e6 4.Ba3 Nf6 5.Bd3 d6 6.c3 Be7 7.h3 b5 8.Bb2 e5 9.Ne2 Bb7 10.Ng3 Nbd7 11.a3 Nb6 12.Qc2 ed4 13.Nf5 Bf8 14.0–0 g6 15.Nd4 c5–/+ 16.Nf3 c4 17.Be2 Be4 18.Qd2 Be7 19.Nh2 0–0 20.Bc1 Re8 21.Bf3 Bd3 22.Re1 d5–+ 23.Qe3 Bd6 24.Qd2 Bh2 25.Kh2 Qd6 26.g3 Nbd7 27.a4 Ne5 28.Bg2 Ne4 29.Be4 Be4 30.Re3 Nf3 (31.Rf3 Bf3 32.ab5 Qb6 33.ba6 Re2 (33...Ra6?! 34.Ra6 Qa6 35.Qf4–+) 34.Qe2 Be2–+) 0–1. astrop – rla, internet, 2007.

2.e4 Nc6 3.a3 g6 4.Bb2 Nf6 5.e5 Ng8 6.Nf3 Bg7 7.d4 e6 8.c4 b6 9.d5 (9...Nce7 10.de6 fe6 11.Nbd2+/–) 1–0. miehnekort – kashee_dashing, Yahoo, 2005.

2.e4 d6 3.h3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.e5 de5–/+ 7.Ne5 0–0 8.Be2 b5 9.0–0 Nbd7 10.Nc6+= Qe8 11.Rb1 Bb7 12.Nd4 c5=+ 13.bc5 Nc5 14.Nf3 e5 15.d4? Rd8 16.Bd2?? ed4–+ 17.Nb5 ab5 18.Bb5 Qe6 19.Bb4 Qd5 20.c4? Qf5 21.Nh4 Qe4 22.Nf3 Rfe8 23.Be8+– Re8? 24.Bc5 Ba6 25.Re1 Qa8 26.Re8 Qe8 27.Qd4 Nh5 28.Qd6 Bc4 29.Re1 Be6 30.Ng5 Nf6 31.Ne6 fe6 32.Re6 Qf7 33.Qd8 Bf8 34.Rf6 (34...Qf6 35.Qf6 Bc5 36.Qe6 Kg7 37.Qe5 Kf7 38.Qc5+–; 34.Re7 Qe7 35.Be7 Nd7 36.Qd7 Be7 37.Qe7 g5 38.g4 h6 39.a3 Kh8 40.Qf7 h5 41.gh5 g4 42.h6 gh3 43.Qg7#) 1–0. lustylady – kneelinsec, Live Game Caissa's Web, 2006.

2.e4 e6 3.a3 d5 4.e5 c5 5.bc5 Bc5 +=.

2.Nf3 Ra7 3.Bb2 Nc6 4.a3 Nd4?? (better is 4...d6=) 5.Bd4+– b6 6.g3 Bb7 7.Bg2 Be4 8.0–0 Rb7 9.d3 b5 (9...Bc6+–) 10.de4 Rb6 (10...e6 11.e5+–) 11.Bc5 (better is 11.Bb6 cb6 12.a4 ba4 13.Ra4 Qc8+–) 11...Rc6 12.Ne5 Rc5 13.bc5 c6 14.c4 d6 (14...Qc7 15.Qd4+–) 15.cd6 Qd6 16.Qd6 ed6 17.Nc6 Be7 18.cb5 Nf6 19.ba6 Ng4 20.Nd2 (better is 20.a7 Kd7 21.Nb8 Ke6+–) 20...Rg8 21.a7 Kd7 22.Nb8 Ke8 23.a8Q Bd8 24.Qc6 Kf8 25.Nd7 (better is 25.Qd6 Be7 26.Nd7 Ke8 27.Qc6+–) 25...Ke8 26.Nf6 (26.Ne5 Kf8 27.Qd6 Be7 28.Qb8 Bd8 29.Qd8#) 26...Kf8 (26...Ke7 27.e5 Ne5 28.Ng8 Kf8 29.Qd6 Ke8 30.Qe5 Kd7 31.Qb5 Kc7 32.Rfc1 Kd6 33.Qd5#) 27.Ng8 (27.Qe8#) 27...Kg8 28.Qe8# 1–0. linakip – jelon97, kurnik, 2011.

2.Nf3 b6 3.Nc3 c6 4.e4+= d6 5.Be2 e6 6.0–0 f6 7.Re1 h6 8.Nd4 c5?? 9.Bh5+– Ke7 10.Nd5! ed5 11.ed5 Kd7 12.Ne6 b5 13.Nd8 Kd8 14.Re8 (14…Kc7 15.Rf8+–) 1–0. pierre – paphik, internet, 2009.

2.Nf3 d5 (--> 1.b4 d5 2.Nf3 a6).

2.Nf3 Nf6 3.d4 e6 4.a3 d5 5.Bg5 Be7 6.e3 0–0 (6...h6 7.Bf4=) 7.Bd3 h6 8.Bf4 Nbd7 9.Ne5 Ne5 10.de5 Ne4 11.Be4 de4 12.Nc3 (12.Qg4 f5 13.Qg6 Qe8 14.Qe8 Re8=) 12...f5 13.Qe2 c5 14.Rd1 Qc7 15.Na2 b6 16.0–0 Bb7 17.c3 Rad8 18.a4 g5 19.Bg3 Kh7 20.Rd8 Bd8 21.Qd2 h5 22.h3= Rf7 23.Rd1 Bd5 24.bc5 Ba2 25.cb6 Qb6–/+ 26.Qa2 h4? 27.Rd6+– Qc7 28.Qe6 hg3 29.Qg6 Kh8 30.fg3 Bf6 31.Rf6 Rf6 32.ef6 Qh7 33.Qe8 1–0. market (2260) – Cerati (2095), GameColony.com, 2002.

2.g3 b5 3.Bg2 Nc6 4.a3 Rb8 5.Bb2 Nf6 6.e3 e5 7.Bc6 dc6 8.Be5? (8.d3 Bd6+=) 8...Bb7?? (8...Qd5 9.Nf3 Bg4–+) 9.Nh3?? (better is 9.f3=) 9...Qd5–+ 10.Bc7?! Rc8 11.0–0 Rc7 12.Nf4 Qe5 13.Nc3 c5 14.bc5 Bc5?? 15.d4+= Bd4 16.ed4 Qf5 17.Nce2?? 0–0 18.c3? Bf3?? 19.Qd3?? Qd3–+ 20.Nd3 Be2 21.Rfe1 Bd3 22.Rad1 Bc4 0–1. lietuvis11111 – dembos, kurnik, 2012.

2.g3 b6 3.Bg2= c6 4.a3 Bb7 5.Nf3 d6 6.Bb2 Nd7 7.0–0 Ngf6 8.d4 g6 9.d5 (better is 9.Qd3!?+=) 9...cd5+= 10.Nd4 Bg7 11.b5 (11.c4 Ne5 12.cd5 Nc4+= (12...Bd5? 13.Bd5 Nd5 14.Nc6+–)) 11...a5 (11...Nc5 12.Nc3–/+) 12.Nc6 Bc6 13.bc6 Nc5 (13...Ne5 14.Bd5 Rc8 15.c4–/+) 14.Nd2 (14.c4!?=) 14...Qc7 15.Bd5 0–0 16.Bg2 e6 17.Rb1 d5 18.Nb3 (18.c4 Rfd8+=) 18...Qc6 19.Nc5 Qc5 20.Bf6 Bf6 21.c4 Rfd8 22.cd5+= Rab8 23.Rc1 Qa3–/+ 24.Rc7 Qd6 25.Rc6 Qd7 26.Qc2 ed5?? 27.Rd1?? d4?? 28.Rf6+/– Kg7 29.Rf3 b5 30.Rfd3 Rbc8 31.Qa2 Qa7 Black prepares the advance a4 32.Rd4?? Rd4= 33.Rd4?? a4 34.Qb2 a3 35.Qb4?? a2–+ 36.Rd1 a1Q 37.Ra1 Qa1 38.Bf1 Rc1 39.Kg2 Rf1 40.Qb5 Rg1 41.Kh3 Qf6 42.f4 Qe6 43.Kh4 h5 44.Qb2 Qf6 45.Qf6–+ Kf6 46.e4 Rh1 47.Kh3 Ke6 48.e5 Kf5 49.Kg2 Re1 50.Kf3 Rd1 0–1. hoxha – golfx, kurnik, 2012.

2.g3 Nc6 3.b5 ab5 4.e3 Na7 5.Qh5 c6 6.c4 Nf6 7.Qh4 b4 8.Bb2 e6 9.d4 Be7 10.Qf4 0–0 11.c5 d5 12.Qf3 b6 13.cb6 Qb6 14.Bd3 b3 15.Ne2 Nb5 16.ab3 Ra1 17.Ba1 Qa5 18.Bc3 Nc3 19.Nec3 Bb4 20.Kd2 Ne4 21.Kc2?? Nc3–+ 22.Qh5 f5 23.g4 Qa2 24.Kc1 Nb1 25.gf5 ef5 26.Rg1 Na3 27.Rd1 Qa1 28.Bb1 Qb1# 0–1. lietuvis11111 – ihor22, kurnik, 2011.

2.g4 e5 3.a3 c5 4.Nf3 (4.Nc3 Nc6–/+) 4...cb4 (4...e4 5.Ng1–/+) 5.a4? (5.ab4!? e4 6.Nd4+=) 5...Bc5 (better is 5...Nc6 6.Bb2 d6–+) 6.Ne5? (better is 6.d4 ed4 7.Nbd2–/+) 6...Ba7 (better is 6...Bd4 7.Nf7 Kf7–+) 7.Bg2? (7.e3 d6 8.Nd3 Qh4+=) 7...Qb6 (better is 7...Bd4 8.Nf7 Kf7–+) 8.Bd5?? (better is 8.e3 Ne7 9.Bb2=) 8…Qf2# 0–1. Pekin Dragons – Eries, ChessWorld.net, 2011.

2.a3 b5

3.Bb2 (--> 1.b4 b5 TESTB.HTM 2.Bb2 a6 3.a3).

3.Bb2 Bb7 4.e3 Nf6 5.Be2 e6 6.Nf3 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.Be2).

3.Bb2 Nc6 (--> 2.Bb2 Nc6 3.a3 b5).

3.c3 Bb7 4.e3 c5 (4...e5!?=) 5.bc5+= Nc6 6.d4 Qa5 (6...Nf6 7.Nf3+=) 7.Nf3 Nd4 (7...Nd4 8.ed4 Nf6+–). Fournier,Frederic (1905) – Frankiz, Active Blind, 2008.

3.e3 Bb7 4.Bb2 Nf6 5.d4 g6 6.Nf3 Bg7 7.c4 bc4 8.Bc4 0–0 9.Nc3 d6 10.0–0 Nbd7 11.Re1 c5 12.d5 cb4 13.ab4 Rc8 14.Ba6 Ba6 15.Ra6 Nb8 16.Ra1 Nd5 17.Qd5 Bc3 18.Bc3 Rc3 19.Nd4 Nd7 20.Nc6 Qe8 21.Ra7 Nb6 22.Qd4 Qc6 23.Re7 Rc4 24.Qf6 Nd5 0–1. varin123 – kot63 (1710), kurnik, 2012.

3.h4 Bb7 4.Rh3 d6 5.Rc3 Nd7 6.Bb2 c5 7.d4 c4 (7...cd4 8.Qd4 e5 9.Qd1–/+) 8.Rg3 e6 9.c3 (9.Nf3!?+=) 9...Qh4–/+ 10.Nf3 Qe7 11.Bc1 g6 12.Bg5 Ngf6 13.Qc2 Bg7 14.Bf6 Nf6 15.Rg5? (15.Nbd2 e5 16.de5 de5–+) 15...0–0 (15...Ne4 16.Rg4 f5 17.Rh4 Nf2 18.g3–+) 16.e3 (16.Nbd2 h6 17.Rg3 a5–+) 16...Bf3 (16...Ne4!? 17.Rg4 f5 18.Rh4–+) 17.gf3 Nh5 18.Rg4 f5 19.Rg2 e5 20.Nd2 ed4 21.cd4 d5 22.0–0–0? a5 23.Qc3 ab4 24.Qb4 Qb4 25.ab4 Ra1 26.Nb1 Rfa8 27.Rd2 R8a2 28.Ra2 Ra2 29.f4 Nf6 30.f3 Rg2 31.Bg2 h5 32.Nc3 Bh6 33.Nb5 g5?? 34.Nd6?? gf4+= 35.Nf5 Bg5 36.e4 de4 37.fe4?? f3–+ 38.Kc2 fg2 39.e5 Ne8 40.Kc3–+ g1Q 41.Kc4 Qf1 42.Kd5 Qf5 43.b5 Qb1 44.Kc6 Qc2 45.Kd7 Kf8 46.d5 Qc7 47.Ke6 Qe7 48.Kf5 Be3 49.d6 Qf7 50.Ke4–+ Bb6 51.d7 Qd7 52.Kf4 Qd4 53.Kf5 h4 54.e6 h3 55.Kg6 h2 56.e7 Ke7 (56...Ke7 57.Kf5 h1Q 58.Kg5 Qhd5 59.Kg6 Qg7#) 0–1. ciesielkaa – golfx, kurnik, 2012.

2.a3 b6

3.Bb2 c6 4.e3 d6 5.d4 e6 6.c4 f6 7.Bd3 g6 8.Qc2 Ne7 9.Nf3 Bg7 10.e4 0–0 11.0–0 d5 12.ed5 cd5 13.c5 Nbc6 14.Nbd2 Bd7 15.Nb3 b5 16.Nbd2 Qc7 17.Rfe1 Rf7 18.h3 Rb8 19.Nh2 a5 20.Qb3 a4 21.Qc2 e5 22.de5 fe5 23.Bg6 Ng6 24.Ndf3 Bf5 25.Qd2 Rd8 26.Ng5 Re7 27.g4 Bc8 28.Nhf3 d4 29.Ne4 Rf7 30.Nfg5 Rf4 31.Nd6 Rdf8 32.Re4 Rf2 33.Qf2 Rf2 34.Kf2 h6 35.Kg3 hg5 36.Rf1 Be6 0–1. varin123 – vallejos, kurnik, 2012.

3.Bb2 d6 =.

3.e3 c6 4.d4 d6 5.c4 e6 6.Bb2 f6 7.Nc3 g6 8.Bd3 Bg7 9.Qc2 Ne7 10.Nf3 Kf8 11.h4 f5 12.h5 Nd7 13.Ng5 Nf6 14.hg6 hg6 15.Rh8 Bh8 16.0–0–0 a5 17.Rh1 Bg7 18.e4 ab4 19.ab4 Bd7 20.e5 de5 21.Nh7 Nh7 22.Rh7 ed4 23.Ne2 e5 24.Qd1 Be6 25.Qh1 Bg8 26.c5 bc5 27.bc5 Nd5 28.Bc4 Ra4 29.Bb3 Rb4 30.Ba2 Qa5 0–1. varin123 – vallejos, kurnik, 2012.

3.e3 Nf6 4.Bb2 =.

3.e3 h5 4.a4 c6 5.Nc3 g5 6.b5 ab5= 7.h4 gh4 8.Bb2= ba4 9.Na4 b5?? 10.Nc5?? d6?? 11.Rh4 dc5?? 12.Bh8 c4?? 13.Rb1 Nf6 14.d3 cd3 15.Bd3 e5 16.Nf3 Ra3? 17.Ne5 Na6?? 18.Bf6 Ra2 19.Qh5 Qc7 20.Re4 Ra3 21.Nc6 Kd7 22.Bb5 Qc6 23.Qd5 Kc7 24.Qc6 Kb8 25.Be5 Ka7 26.Bb8! Nb8 27.Qc7 Ka8 28.Bc6 Nc6 29.Qc8 Nb8 30.Qf8 f6 31.Qb8 1–0. esko – mrspock, net–chess.com, 2001.

3.Bb2 Bb7

4.d3 d6

5.Nd2 Nd7 6.Ngf3 c6 7.g3 e6 8.Bg2 Ngf6 9.0–0 Be7 10.c4 0–0 11.Rc1 a5 12.b5 cb5 13.cb5 Bf3 (13...Rc8 14.Rc8 Qc8 15.a4=) 14.Nf3+= d5 15.a4 Nc5 16.d4 Nce4 17.Nd2 Nd6 18.Re1 Rc8 19.Rc8 Qc8 20.Qc1 Qd7 21.Qa1 Rc8 22.Rc1 Rc1 23.Qc1 Nfe8 24.e4 de4 25.Ne4 Ne4 26.Be4 Nd6 27.Bc6 Qc7 28.d5+= ed5 29.Bd5 Qc1 30.Bc1 Nf5 31.Bb2 Bc5 32.Kg2 Nd4 33.f4 Kf8 34.Bc6 f6 35.Bd4 Bd4 36.Kf3 Ke7 37.Ke4 Bc5 38.Kd5 h6 39.h3 g6 40.g4 Be3 41.f5 g5 42.Bb7 Bc5 43.Bc6 Bb4 44.Bb7 Be1 45.Bc6 Bg3 46.Bb7 Be5 47.Kc6 Bd4 48.Bc8 Bc5 49.Be6 Bg1 50.Kd5 Bf2 51.Kc6 Be3 52.Kb7 Kd6= 53.Kc8 Ke5 54.Kd8 Kf4 55.Ke8 Bd4 56.Kf7 Kg3 57.Kg6 Kh3 58.Kh6?? Kg4–+ 59.Kg6 Kf4 60.Kh5 g4 61.Kh4 g3 62.Kh3–/+ Be5 63.Bd7 Ke3 64.Bc6 Kd4 65.Bf3 Ke3 66.Bd5 Kf2–/+ 67.Bc6 Ke3 68.Bd5 Kd4 69.Bf3 Kc3 70.Bd1 Kd2 71.Bf3 Kc2 72.Bd5 Kc3 73.Bf3 Kb4 74.Bd1 Ka3 75.Kg2 Kb4 76.Bc2 Kc3+= 77.Bd1 Kd4 78.Be2 Ke3 79.Bd1 Kf4 80.Be2? Kf5–+ 81.Bd3 Kg5 82.Be2 f5 83.Bf3 f4 84.Be4 Kf6 85.Bd5 Ke7 86.Bc6 Kd6 87.Be4 Kc5 0–1. golfx – hyman, kurnik, 2011.

5.Nd2 Nd7 6.Ngf3 e6 7.g3 Ngf6 8.Bg2 Be7 9.0–0 0–0 10.c4 c5 11.bc5 dc5 12.e3 b5 13.cb5 ab5 14.Nb3 (14.a4 b4=) 14...Rc8 15.Rc1 Ba8 16.Qd2 Nb6 (16...Bd5 17.Qc2+=) 17.Rfd1 Na4 18.Ba1 Nb6 (18...Bd5 19.Rb1+=) 19.Qa5 Nbd5 (better is 19...Bc6!?=) 20.Qb5+/– Bc6 21.Qc4 Nb6 22.Qc2 Bd5 23.Qb2 Bb3 24.Qb3+/– Rb8 25.Qc2 Nbd5 26.d4 cd4+/– 27.Nd4 Rc8 28.Qd3 Rc1+/– 29.Rc1 Qd6 30.a4 Nb4 31.Qb5 Nfd5 32.Rc6?? Qb8?? 33.Qb8 Rb8 34.Rc4 Ra8 35.Bd5 ed5 36.Rc7 Bf8 37.Bc3 Ra4 38.Bb4 Rb4 39.Rd7 Rb1 40.Kg2 Rb8 41.Rd5 g6 42.Rb5 Ra8 43.Kf3 Kg7 44.h3 Ra7 45.g4 Be7 46.Nc6 Rc7 47.Ne7 Re7 48.e4 h6 49.e5 Re6 50.Rd5 g5 51.Kg3 Kg6 52.f4 gf4 53.Kf4 Ra6?? 54.h4 Ra4 55.Ke3 (55.Ke3 Rg4 56.Rd6 Kf5 57.Rh6 Ke5 58.Rh8=) 1–0. golfx – hyman, kurnik, 2011.

5.Nd2 Nd7 6.Ngf3 e6 7.g3 Ngf6 8.Bg2 Be7 9.c4 0–0 10.0–0 c5 11.bc5 dc5 12.e3 b5 13.cb5 ab5 14.Nb3 (14.a4 b4=) 14...Rb8 15.Na5?? (better is 15.Qc2=) 15...Qa5–+ 16.Qb3 c4! 17.dc4 bc4 18.Qc4 Bd5 (better is 18...Bf3!? 19.Bf6 Bg2 20.Be7 Bf1 21.Qf1–+) 19.Qc3 (19.Qe2–+) 19...Rfc8 (better is 19...Qa6 20.Nh4 Rb3–+) 20.Qa5+– Rb2 21.Rab1 Ra2 22.Qa7 Ra8 23.Qa8?? Ba8–/+ 24.Ra1 Ra1 25.Ra1+= g6 26.a4= Kg7 27.a5 Bc5 28.Nd4 Bg2 29.Kg2+/– Bd4 30.ed4 Nd5 31.a6 N5b6 32.a7 Na8 33.Rb1 Ndb6 34.Kf3 h6 35.Ke4 Kf6 36.Kd3 Ke7 37.Kc3 f6 38.Kb4+/– e5?? 39.de5 fe5?? 40.Kc5 Ke6 41.Rb6 Nb6 42.Kb6 Kf5 43.a8Q Kg4 44.Qg2 g5 45.Kc5 h5 46.Kd5 h4 47.Ke5 hg3 48.hg3 Kh5 49.Qh3 Kg6 50.Qg4 Kh6 51.Kf5 Kg7 52.Qg5 Kf7 53.Qg6 Ke7 54.Qf6 Kd7 55.Qe6 Kc7+– 56.Ke5 Kb7 57.Qd6 Ka7 58.Qc6 Kb8 59.Qd7 Ka8 60.Kd5 Kb8 61.Kc6 Ka8 62.Qb7# 1–0. golfx – hyman, kurnik, 2011.

5.Nd2 Nd7 6.Ngf3 Ngf6 7.g3 e6 8.Bg2 Be7 9.0–0 0–0 10.e3 e5 11.c4 Rc8 12.Rc1 c5 13.b5 a5 (13...ab5 14.cb5 Ra8 15.Nc4=) 14.a4 Ne8 15.Re1 f5 (better is 15...Bf6+=) 16.d4?? (16.Ng5 Bg5 17.Bb7 Rb8 18.Bd5 Kh8+/–) 16...Bf3 (better is 16...e4–/+) 17.Nf3 e4 18.Nd2 Bf6 19.dc5?? Nc5?? 20.f3?? Nd3 21.Qc2?? Ne1 22.Re1 Kh8 23.fe4+= fe4 24.Be4 g6 25.Bf6 Qf6 26.Rf1 Qg7 27.Rf8 Qf8 28.Qc3 Qg7 29.Qg7 Kg7 30.Bd5 Nf6 31.Bc6 Rf8 32.h3 h6 33.Kg2 g5 34.Nb3 Rf7 35.Nd4 Kg6 36.Ne2 Re7+= 37.Kf3 h5 38.g4 hg4 39.hg4 Kh6 40.Ng3+= Kg6 41.Nf5 Re5 42.Nd6+/– Rc5 43.Nc8 Rc4= Exerts pressure on the isolated pawn 44.Nb6 Rb4 45.e4 Rb3 46.Kf2 Rb2 47.Ke3 Rb3 48.Kd4+/– Ng4 49.e5 Rb4= 50.Kd5 Ne3 51.Kd6 Rd4 52.Kc7 Kf5=. golfx – hyman, kurnik, 2011.

5.e4 Nf6 =.

5.g3?? Nd7 6.Nf3= e6 7.Bg2 Ngf6 8.0–0 Be7 9.Nbd2 0–0 10.c4 c5 11.bc5 dc5 12.Qc2 Ne8 13.Rab1 Bf6 14.Bf6 Nef6 15.e3 Rb8 16.d4 cd4 17.ed4 Bf3 18.Nf3 Qc7 19.Rfd1 b5 20.c5 Nd5 21.a4 b4 22.Qc4? a5 23.Nd2? N7f6 24.Nb3 Nc3–+ 25.Qa6 Nb1 26.Rb1–/+ Ra8?? 27.Qb5 Rfb8–/+ 28.Qc4 Ra7 29.Rd1 Rd8 30.Qb5 Nd5 31.Bd5 Rd5?? 32.Qd3 g6 33.Qe4 Ra8 34.f4 Rad8 35.Kg2 Kg7 36.Kf3? h6 37.h3? Ra8 38.g4 Qe7 39.h4? Qh4 40.Rg1 Qh3 41.Rg3 Qf1 42.Ke3 Qe1 43.Kf3 Qc3 44.Kg2 Qb2 45.Kh3 Rad8 46.c6 Rd4 47.Nd4 Rd4?? 48.Qe5= Kh7 49.Qf6 (49.Qf6 Rd2 50.Qb2 Rb2 51.Rc3 bc3 52.c7=). golfx – hyman, kurnik, 2011.

5.g3?? Bh1 6.e4 Nc6 –+.

2.a3 Nc6

3.d4 d5 4.Nf3 Nf6 5.Bf4 Bg4 6.Ne5 Ne5 7.de5 Ng8 8.f3 =.

3.d4 e5 4.de5 Ne5 5.e4 b5 6.Qd5 Nc6 7.Nf3 Bb7 8.Ng5 (8.Bb2 Qe7=) 8...Qf6+= 9.Bb2 (9.Bb2 Qg6 10.Nd2+=). Roderick64 – xorb, ChessWorld.net, 2010.

2.a3 e5

3.Bb2 Bb4 4.Be5 d6?? 5.Bg7+– Qe7 6.Bh8 f6 7.e3 Bf5 8.c3 Bc5 9.d4 Ba7 10.Bd3 Bd3 11.Qd3 Nd7 12.Nf3 0–0–0 13.0–0 Nh6 14.Bf6! Nf6 15.c4 d5 16.Nc3 Ne4 17.Nd5 Qe6 18.Rab1 Nf5 19.Qb3 Nh4 20.Qb7 Kd7 21.Qc7 Ke8 22.Nh4 Nd2 23.Qh7 Qe4 24.Qh8 Kf7 25.Rb7 Ke6 26.Re7 (26…Kd6 27.Qd8 Kc6 28.Qc7; 26.Qf6) 1–0. gtate – baxter, net–chess.com, 2001.

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.a3 a6).

3.Bb2 Qf6 4.Nf3= Bb4 5.Be5+/– Qg6 6.Bc7 Nc6 7.c3 Bd6 8.Bb6 Ne5 9.e3 Ne7 10.Ne5 Be5 11.d4 Qb6 12.de5 Qb2 13.Ra3 Qb6 14.Qb3 Qb3 15.Rb3+/– 0–0 16.Bd3 Rb8 17.c4+– Nc6 18.f4 Na5 19.Rb6 Re8 20.Nc3 f6 21.ef6 Re3 22.Kd2 Re6 23.Re6 de6 24.fg7 Nb3 25.Kc2 Nc5 26.h4 Bd7 27.h5 Kg7 28.a5 Kh6 29.g4+– Bc6 30.g5 Kg7 31.Re1 Bf3 32.h6+– Kg8 33.Ne4 Ne4 34.Be4+– Be4 35.Re4 Re8 36.Kc3 Kf7 37.Kd4 Kg6? 38.Re5 Rd8 39.Kc5 Kf7 40.Kb6 Rd7 41.c5 Rd5 42.Kb7 Ke7 43.Ka6 Kd7 44.Kb6 Rd4 45.c6 Kc8 46.Re6 Rd8 47.a6 Rf8 48.a7 (48…Rf4 49.a8Q) 1–0. katchum (1690) – gstevenson, net–chess.com, 2001.

2.a3 Nf6

3.Bb2 d6 4.d3 e5 5.Nd2 Nc6 6.g3 g6 (6...Be7 7.Bg2+=) 7.Bg2 Bd7 8.c4 Rb8 9.Ngf3 Bg7 10.0–0 h6 11.Re1 0–0 12.Rc1 Re8 13.e3 Ne7 14.Nb3 Bc6 15.Na5 Ba4?? (better is 15...Bd7=) 16.Qa4+– b5 17.cb5 ab5 18.Qc2 c5 19.d4 (better is 19.Nb3 cb4 20.ab4 Rc8+–) 19...c4 (19...cd4 20.ed4 e4+–) 20.de5 de5 21.Be5 Rc8 22.Qc3 Ned5 23.Qd4 Re6 24.Red1 c3 25.Rd3 c2 26.Rd2 Ne8 27.Rdc2 Be5 28.Ne5 Rc2 29.Rc2 Rd6 30.Qc5 Ndf6 31.Nac6 Rd1 32.Bf1 Qd6 33.Qd6 Nd6 34.Nd4 Nfe4 35.Nb5! Nb5 36.Kg2 Na3 37.Rc8 Kg7 38.b5 Rd2 39.Kf3?? Nf2?? 40.b6+– Rb2 41.Nd7 Nd1?? 42.Rc7 Rb3 43.b7 Ne3 44.Kf2 Nd5 (44...Nd5 45.Rc5 Rb7 46.Rd5 Rb2 47.Be2 f5+–). golfx – krzysiek7101, kurnik, 2012.

3.Nf3 d5 4.e3 Bg4 5.h3 Bh5 6.Bb2 e6 7.Be2 Bd6 8.g4 +=.

2.a3 h6

3.Bb2 b6 4.d3 Nf6 5.Nd2 e6 6.Ngf3 Bb7 7.g3 (7.e4 Be7+=) 7...d5 8.Bg2 Nbd7 9.0–0 Be7 10.e3 0–0 11.c4 c6 12.d4 Rc8 13.c5 bc5 14.bc5 Rb8 15.Bc3 e5 16.Qa4 ed4 17.Bd4 (17.ed4 Re8+=) 17...Ne4 (better is 17...Nc5 18.Qc2 Nce4–/+) 18.Ne4+= de4 19.Nd2 (19.Ne5 Nc5 20.Bc5 Bc5+/–) 19...f5 20.Rab1 (20.Qc4 Kh7 21.f3 ef3 22.Nf3 Bf6+=) 20...Bf6 21.Nb3 Bd4+= 22.Nd4 The isolani on c6 becomes a target 22...Nc5+= 23.Qc4 Qd5 24.Rfc1 Nd3 25.Qd5 cd5 26.Rc3 Rfc8?? 27.Rcb3?? Rc7= 28.a4 Nc5+= 29.Rb4 Rbc8 30.Bf1 Bc6 Attacking the isolated pawn on a4 31.Nc6 Rc6–/+ 32.a5 Ne6 33.Rb6= Rb6 34.ab6 Rb8 35.Ba6 Nc5 36.Be2 Kf7 37.f3 Ke7 38.g4 g6 39.gf5 gf5 40.fe4 fe4 41.Bg4 Kd6 42.Kg2 Kc6 43.Bh5 Rb6 44.Rb6 Kb6 45.Bf7 Kc6 46.Kg3 Nb3 47.Kf4 Nc1 48.h4 Nd3 49.Kf5 Nb4 50.h5 1–0. golfx – silas10, kurnik, 2012.

3.Bb2 d6 4.d3 Nd7 5.Nd2 Nb6 6.g3 Na4 7.Qb1 Nb2 8.Qb2 Nf6 9.Bg2 g6 10.Ngf3 Bg7 11.c3 Nd5 12.d4 Nb6 13.Qb3 0–0 14.Rc1 e6 15.0–0 d5 16.Rfd1 Nd7 17.c4 dc4 18.Qc4 c6 19.a4 Nb6 20.Qb3 Bd4?? 21.Nd4+– Qd4 22.b5 Qa4 23.Qa4 Na4 24.bc6 b5 25.c7 Ra7 26.Nb3 Nb2–/+ 27.Rd8? Nc4–+ 28.Rf8 Kf8 29.Nc5 Rc7 30.Na6 Ba6 31.Ra1 Bb7 32.Ra7 Nd6 33.Bf1 Ke7 34.e3 f6 35.f4 f5 36.Bd3 Kd7 37.Kf1 Bc6 38.Ra6 Nb7 39.Ke2 Nc5 40.Bb1 Na6 41.Ba2 Nb4 42.Bb3 Bd5 43.Bd5 ed5 44.Kf3 h5 45.h3 Rc3 46.g4 h4 47.Ke2 Rc2 48.Kf3 Rd2 49.gf5 gf5 50.e4 de4 51.Ke3 Rd3 52.Ke2 Rh3 53.Kf2 Ke6 54.Kg2 Ra3 55.Kf2 Kf6 56.Kg2 Kg6 57.Kf2 Kh5 58.Kg2 Kg4 59.Kh2 Kf4 60.Kg2 e3 61.Kh2 Kf3 62.Kh3 Kf2 63.Kh4 f4 64.Kg4 f3 65.Kf4 e2 66.Ke4 e1Q 67.Kd4 Rd3 68.Kc5 Qe5 69.Kb4 Qd4 70.Ka5 Ra3 71.Kb5 Rb3 72.Kc6 Rc3 73.Kb5 Qd5 74.Kb4 Qc4 75.Ka5 Ra3 76.Kb6 Rb3 (76...Rb3 77.Ka5 Qb5#) 0–1. golfx – murat27, kurnik, 2012.

3.Bb2 d6 4.d3 e5 5.Nd2 Nf6 6.g3 Nbd7 7.Bg2 Nb6 8.c4 Nbd7 9.Ngf3 Ng4 10.0–0 h5 11.h3 Ngf6 12.e4 g5 (12...c5+/–) 13.Qe2 (better is 13.Ng5 h4 14.g4+–) 13...g4= 14.Nh4 gh3 (14...Nb8 15.Nf5 gh3 16.Bh3=) 15.Bh3+= Nb8 16.Bc8 Qc8 17.Kg2 Ng4 18.Ndf3 Rg8 19.Nf5 Qe6 20.d4 White plans c5 20...f6 21.de5 fe5+= 22.c5 Nd7 23.cd6+= Bd6 24.Rad1 0–0–0 25.Rh1 Ndf6 26.Nd6 Rd6= 27.Rd6 Qd6 28.Rd1 Qe6 29.b5 a5 30.a4 b6 31.Rc1 Kb8 32.Nh4 Qb3 33.Qc2 Qc2+= 34.Rc2 Ne4 35.Nf3 Nef2 36.Rf2= Nf2 37.Kf2 e4 38.Nh4 e3 39.Kf3 e2 40.Bc3 Rf8 41.Ke2+/– Kb7 42.Ke3 c6 43.bc6 Kc6 44.Be5 Re8 45.Ke4 Kc5 46.Nf5 Kb4 47.Nd6 Re6 48.Nf5 Ka4–/+ 49.Ng7 Re7 50.Nh5= b5 51.Nf4 b4 52.Nd3 b3 53.g4 Ka3 54.g5= Ka2 55.g6 b2?? 56.Nb2+– Re6? 57.g7 (57.g7 Re8 58.Na4+–) 1–0. golfx – swidwin3m19, kurnik, 2012.

3.Bb2 e5 4.d3 (better is 4.Be5!? Nc6 5.Bb2+/–) 4...d6= 5.Nd2 Nc6 6.g3 Bf5 7.Bg2 Qd7 8.Ngf3 Nf6 9.c4 Be7 10.0–0 Ng4 11.e3 (11.d4 0–0+=) 11...h5 (better is 11...Bd3 12.Re1 e4–/+) 12.e4 Be6 13.h4 g5 14.d4 ed4 15.Nd4 Nd4 16.Bd4 Rg8 17.hg5 Bg5 18.Nf3 (18.f4 c5 19.bc5 dc5 20.Bc5 Rc8=) 18...h4 (18...Bc4!? 19.Re1 Qe6+=) 19.Ng5= Rg5 20.c5 (20.f3!? h3 21.Bh3=) 20...hg3+= 21.fg3 0–0–0 22.a4 dc5–+ 23.Bc5 Qd1 24.Rad1= Rd1 25.Rd1 Ne3?? 26.Be3+– Rg3 27.Kf2 Rg4 28.Bf3 Rg7 29.Bd4 Rg8 30.Bf6 c6 31.e5 Kc7 32.b5! ab5 33.ab5 cb5 34.Rc1 Kb6 35.Rb1 Kc5 36.Be7 Kb6 37.Be2 Bd7 38.Kf3 Re8 39.Bf6 Re6 40.Kf4 Rc6 41.Ke4 Rc5 42.Bg5 Rc2 43.Bd3 Rc3 44.Be3 Kc6 45.Kd4 Rc5?? 46.Be4+– Kb6 47.Kd3 Bc6 48.Bc6 Kc6 49.Bc5 Kc5 50.Ke4 b6 51.Kf5 b4 52.Kf6 Kc4 53.Kf7 b3 54.e6 Kc3 55.e7 Kc2 56.Rg1 b2 (56...b2 57.e8Q b1Q 58.Qc6 Kd2 59.Rb1 Kd3 60.Rb3 Kd2 61.Qd6 Ke1 62.Qh2 b5 63.Rb1#). golfx – lomakon, kurnik, 2012.

3.Bb2 e6 4.d3 d5 5.Nd2 Nf6 6.g3 (6.e4 a5 7.e5 Nfd7=) 6...Bd6 7.Bg2 c6 8.Ngf3 a5 9.c3 (9.e4 Be7= (worse is 9...ab4 10.e5+/–)) 9...ab4 10.cb4 c5 (10...Nbd7 11.d4=) 11.Bc3 (11.e4 Be7 (worse is 11...cb4 12.e5+–) 12.bc5 Bc5=) 11...d4 12.Bb2 cb4 13.ab4 Ra1 14.Qa1 Bb4 (14...e5 15.Nc4 Qc7 16.0–0+=) 15.Bd4 (15.Qa4 Nc6 16.Nd4 Qa5+=) 15...Bd2 (15...Nc6!?=) 16.Nd2+/– 0–0 17.0–0 Ng4? (better is 17...Nbd7+/–) 18.Bg7+– Re8 19.h3 (19.Bc3!? Nd7+–) 19...f6 (19...e5 20.hg4 Kg7 21.Nc4+/–) 20.hg4 Kg7 21.Ne4 e5 22.Rc1 Bg4+= 23.f3 Be6 24.Qb2 Qd4 25.Qd4+/– ed4 26.Nd6 Re7 27.Rb1 Bd5?? 28.Rb4?? Rd7 29.Ne4?? Be4 30.fe4 Nc6 31.Rb6 Ne5 32.Bh3 Rc7 33.Bf5 Kf7 34.Kf2 Kg7 35.g4 Kf7 36.Rd6 Re7 37.Kg3 Ng6 38.Bg6 Kg6 39.Rd4 b5 40.Rb4 Rb7 41.e3 Kf7 42.d4 Ke6 43.Kh4 Kd6 44.Kh5 Rg7? 45.Rb5 Rg5 46.Kh4 White prepares d5 46...Rb5–+ 47.Kg3 Rb3 48.Kf4 White prepares the advance e5 48...Ke6 49.d5 Kd6 50.Kf5 Ke7 51.Kf4 Rb1 52.e5 Rf1 53.Ke4 Rg1 54.Kf4 Rd1 55.e4 fe5 56.Ke5 Rg1 57.Kf5 Kd6 58.Kf6 Rg4 59.Kf5 Rg1 60.Kf6 Re1 61.Kg6 Re4 62.Kh6 Re5 63.Kg6 Rd5 (63...Rd5 64.Kf6 Kd7 65.Kf7 Rd6 66.Kg8 Ke8 67.Kg7 Ke7 68.Kg8 Kf6 69.Kh7 Kf7 70.Kh8 Rh6#) 0–1. golfx – kopeeex, kurnik, 2011.

3.Bb2 e6 4.d3 d6 5.Nd2 Nf6 6.g3 Nc6 7.Bg2 d5 8.Ngf3 Bd6 9.0–0 0–0 10.c4 d4 (better is 10...Re8!?+=) 11.Nd4+/– (11.Bd4?! Nd4 12.Nd4 Be5+=) 11...Nd4 12.Bd4 e5 13.Bb2 Be6? (better is 13...c6+/–) 14.Bb7 Rb8 15.Ba6 Qd7 16.Bb5 Bh3 (16...c6 17.Ba4 Ra8+–) 17.Bd7 Nd7 18.Re1 f5 19.Nf3 f4 20.Qd2 fg3 21.fg3 Rbe8 22.c5 Be7 23.Ne5 Ne5 24.Be5 Bg5 25.e3 Re5 26.d4 Be3 27.Re3 Ref5 28.Ree1 Rf2 29.Qf2 Rf2 30.Kf2 Bf5 31.d5 1–0. golfx – kopeeex, kurnik, 2011.

3.Bb2 Nf6 4.d3 Nc6 5.Nd2 e5 6.g3 d5 7.Bg2 d4 8.Ngf3 Bd7 9.0–0 Bd6 10.c3 dc3 11.Bc3 0–0 12.Nc4 e5 seems the pivot of the position 12...Be7? (12...Qe7 13.Rc1=) 13.d4 (13.Nfe5!? Ne5 14.Be5+/–) 13...ed4 14.Nd4 Nd4 15.Bd4 Bb5 16.Qb3?? Qd4–+ 17.Na5 Bc6! 18.Nc6 bc6 19.Bc6 Rad8 20.Rad1 Qb6 21.Bg2 c5 22.e3 cb4 23.ab4 Qb4 24.Qb4 Bb4 25.Rb1 a5 26.Rfd1 Rd1 27.Rd1 Rc8 28.Bb7 Rb8 29.Bf3 a4 30.Rb1 a3 31.Ra1 Bd6 32.Ra2 Rb2 33.Ra1 a2 34.Bc6 Rb1 35.Rb1 ab1Q 36.Kg2 Bb4 37.h3 Ne4 38.Be4 Qe4 39.Kf1 Qh1 40.Ke2 Qh3 41.Kf3 h5 42.Kf4 Qg4 43.Ke5 Qf3 44.g4 Qg4 45.f4 Qe6 46.Kd4 Bd6 47.Kd3 f5 48.Kd4 Qe4 49.Kc3 Qe3 50.Kc4 Qf4 51.Kd5 Qe5 52.Kc6 Qc5 53.Kd7 Qc7 54.Ke6 Qe7 55.Kf5 Qe5 56.Kg6 Qf6 57.Kh5 g6 58.Kg4 Qf4 59.Kh3 Qg3# 0–1. golfx – lomakon, kurnik, 2012.

3.Bb2 Nf6 4.d3 e6 5.Nd2 d5 6.g3 (6.e4 Be7=) 6...Nc6 7.Bg2 Bd6 8.Ngf3 Qe7 9.0–0 g5 (9...e5 10.c4 Qe6 11.cd5 Nd5 12.d4 ed4 13.Ne4 Qe4 14.Nd4=) 10.c4+= g4 11.Nh4 d4? (better is 11...Be5 12.Be5 Ne5+=) 12.c5+– Be5 13.Ne4?? (better is 13.Bc6 bc6 14.Nc4+–) 13...Ne4= 14.de4 Bd7 15.e3 de3+= 16.fe3?? Bb2–+ 17.Ra2 Be5 18.Qg4 0–0–0 19.Qf3 Rdg8 20.Qf7 Qf7 21.Rf7 Bg3 22.hg3+= Rg3 23.Kf2 Rhg8 24.Nf3?? Rg2–+ 25.Kf1 Ra2 26.Nh4 Ne5 27.Rf2 Ra1 28.Ke2 Ng4 29.Rf4 h5 30.Kd3 Ra3 31.Kd4 Re3 32.Rg4–+ Rg4 33.Ke3 Rh4 34.Kf3 e5 35.Ke3 Rh3 36.Kd2 Rg3 37.Ke2 h4 38.Kf2 Rg5 39.Kf3 h3 40.Ke3 h2 41.Kd3 h1Q 42.Kc4 Qe4 43.Kb3 Rg3 44.Kb2 Qe2 45.Kc1 Rg1# 0–1. golfx – lomakon, kurnik, 2012.

3.Bb2 Nf6 4.g3 d5 5.Bg2 Nc6 6.Nf3 e5 (6...Qd6 7.Bf6 Qf6 8.Nc3=) 7.0–0 (better is 7.Ne5!? Ne5 8.Be5+/–) 7...e4 8.Nd4 Nd4 9.Bd4 Bd6 10.d3 Be6 11.de4 Ne4 12.Nd2 Qd7? (better is 12...Nd2!? 13.Qd2 0–0+=) 13.Ne4 (13.Be4 de4 14.Bg7 Rh7 15.Ne4 Be7 16.Qd7 Kd7 17.Rfd1 Kc6+–) 13...de4+/– 14.Be4 c6 15.Qd3 (15.Bg7 Rg8 16.Bf6 Bh3+–) 15...Bh3 (15...f5 16.Bg2+/–) 16.Rfe1 (better is 16.Bg7!? Rg8 17.Rfd1 0–0–0+–) 16...0–0 17.Qc3 f6 18.Rad1 Rae8 19.Bf3 Bg4?? (better is 19...Qe6+/–) 20.Bc5+– Re6 21.Bg4 f5 22.Bh3 Qc7 23.e4! Re4 24.Re4 fe4 25.Bd6 Qd7 26.Bd7 Rd8 27.Qc4 Kh8 28.Qf7 Rg8 29.Be6 Kh7 30.Be5 Rh8 31.Bg7 (31.Bg7 Rd8 32.Bf5#; 31.Qg7#) 1–0. golfx – kopeeex, kurnik, 2011.

2.a4 b6

3.Bb2 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.a4 a6).

3.c4 Bb7 4.Ba3 c6 5.e3 e6 6.f4 f5 7.Qh5 g6 8.Qd1 a5 9.b5 Ba3 10.Ra3 cb5 11.ab5 Qe7 12.Nf3 Be4 13.Rc3 Bf3 14.Qf3 Ra7 15.d4 Qb4 16.Qd1 a4 17.Bd3 a3 18.0–0 a2 19.Rb3 Qd6 20.Nc3 a1Q 21.Qa1 Ra1 22.Ra1 Ne7 23.Ra8 0–0 24.Rba3 Nec6 25.bc6 Nc6 26.R8a6 Nd4 27.ed4 Qd4 28.Kh1 Qd3 29.Nb5 Qf1 0–1. jura1946 – cupa79, kurnik, 2012.

3.c4 Bb7 4.Bb2 e6 5.b5 ab5 6.cb5 Nf6 7.e3 Bb4 8.f4 0–0 9.Nf3 Ne4 10.Bd3 d5 11.0–0 c5 12.Ne5 Nf6 13.g4 c4 14.Bc2 Nbd7 15.g5 Ne4 16.Be4 de4 17.Nc4 Rc8 18.Qb3 Bd5 19.Qb4 Rc4 20.Qd6 Nc5 21.Qe5 f6 22.gf6 Qf6 23.Qf6 gf6 24.Nc3 Nd3 25.Nd5 ed5 26.Bc3 Nc5 27.a5 Nb3 28.Ra3 Na5 29.Ba5 ba5 30.Ra5 Rb4 31.Rc1 Kg7 32.Kf2 Kg6 33.Rg1 Kf5 34.b6 Ke6 35.Ra6 Rb8 36.b7 Kf7 37.Rd6 Rb5 38.Rd7 Ke6 39.Rgg7 h5 40.Rde7 Kf5 41.Rh7 h4 42.Rh4 R5b7 43.Rh5 1–0. jura1946 – vccxx, kurnik, 2012.

3.d4 e5 4.de5 Bb4 5.c3 +=.

3.d4 h5 4.e4 e6 5.e5 (5.c3 d5 6.Bd3 c5 7.bc5 bc5+=) 5...g6 (better is 5...Bb4!? 6.c3 Be7+=) 6.c3+= Bh6 7.Nf3 Bc1 8.Qc1 Qe7 9.Be2 Nh6 10.0–0 d6 11.Nbd2 f5 12.Nc4 d5 13.Ne3 Ng4 14.c4 Ne3 15.fe3 c5 16.cd5 ed5 17.b5 (better is 17.bc5!? bc5 18.Qc5 Qc5 19.dc5+–) 17...ab5+= 18.Bb5 Bd7 19.e6 Bb5 20.ab5 Ra1 21.Qa1 0–0 22.h4 (better is 22.dc5 bc5 23.Qe5+/–) 22...Qe6–/+ 23.Ng5 (23.Qc3!? c4 24.Ra1–/+) 23...Qe3–+ 24.Kh1 (24.Rf2 Nd7–+ (24...Qd4?! 25.Qa7 Qg7 26.Qb6+=)) 24...Qe7 (24...Qe7 25.Re1 Qb7=; 24...cd4?? 25.Qa7 Qg5 26.hg5+–) 0–1. Ratscales – 2buddies, ChessWorld.net, 2015.

3.e3 Bb7 4.Nf3 d6 5.Bb2 Nd7 6.c4 c5 7.b5 ab5 8.ab5 Ra1 9.Ba1 Qa8 10.Nc3 Ngf6 11.Be2 g6 12.0–0 Bg7 13.Bb2 0–0 14.Qc2 e6 15.Ra1 Qb8 16.d3 Qc7 17.Ra7 Ra8 18.Qa4 Ra7 19.Qa7 Qb8 20.Qb8 Nb8 21.Na4 Nbd7 22.e4 d5 23.cd5 ed5 24.ed5 Nd5+= 25.Bg7 Kg7 26.d4 Nf4 27.Bf1 Bf3 28.gf3?? cd4–+ 29.Nb2 d3?? 30.Nd3–/+ Nd3 31.Bd3 Kf6 32.Kf1 Ke5 33.Ke2 Kd4 34.h4 Ne5 35.Be4 Kc5 36.h5 Kb5 37.hg6 fg6 38.f4 Ng4 39.f5 Ne5 0–1. killthebill – golfx, kurnik, 2011.

3.e3 Bb7 4.Nf3 d6 5.Be2 Nd7 6.0–0 Ngf6 7.c4 g6 8.Bb2 Bg7 9.d4 0–0 10.Nc3 e6 11.Qc2 c5 12.Ba3 cb4 13.Bb4 Bc6? (better is 13...Qc7+=) 14.Bd6+– Re8 15.Ba3 (15.e4 Rc8 16.a5 b5+–) 15...e5 16.d5 Bb7 17.Bb2 Nc5 18.Nd2 b5? (better is 18...Rb8+/–) 19.ab5+– ab5 20.Nb5 Qb6 21.Nb3 Nb3 22.Qb3 Rec8? 23.Ra8 Ra8 24.Ra1 Ra1 25.Ba1 Ne4 26.Bd3 Nc5+/– 27.Qd1 f5 28.Bf1 Ba6 29.h3 Kf7 30.Bc3 Bb5 31.cb5 Ne4 32.Bb4 Ke8 33.d6 Kd7 34.Bd3 Nd6 35.Be2 Bf8 36.Qd2 Ke6 37.Ba5 Qb7 38.b6 Be7 39.Qa2 Qd5 40.Qd5 Kd5+/– 41.b7 Nb7+= 42.Bf3?? e4–+ 43.Be2 Nd6 0–1. gb400 – golfx, kurnik, 2011.

2.a4 c6

3.Bb2 b5 4.ab5 (4.e3 Bb7+=) 4...cb5= 5.e4 Bb7 6.d3 d6 (6...e5 7.Nd2=) 7.Nf3 Nd7 8.Be2 Ngf6 9.0–0 g6 10.Nbd2 Bg7 11.Re1 0–0 12.Bf1 White prepares e5 12...e5 13.d4 Qc7 14.c3 (14.Bd3 Rac8+=) 14...ed4 (14...d5 15.ed5 ed4 16.c4+=) 15.cd4+= Rfe8 Can e4 get defended? 16.e5 (better is 16.Bd3!?+/–) 16...de5 17.de5 Ng4 18.Rc1 Qd8 19.Nb3 (19.e6!? Re6 20.Bg7 Re1 21.Qe1 Kg7 22.Bd3+=) 19...Nde5 20.Ne5 Ne5 21.Qd8 Rad8 22.Nc5 Bc8 23.f4? (better is 23.Re2 Nd7 24.Bg7 Kg7 25.Re8 Re8 26.Nd3–/+) 23...Nc4?? (better is 23...Nf3! 24.gf3 Re1 25.Re1 Bb2–+) 24.Bg7 Kg7 25.Bc4 bc4 26.Re8+= Re8 27.Rc4 Re1 28.Kf2 Rb1 29.Nd3 Be6 30.Rd4 Rd1 31.Ke2 Rh1 32.h3 Rg1 33.Kf2 Rd1 34.g4 Rb1 35.Ke2 Rh1 36.Nf2 Rh2? 37.Kf3+/– h5 38.Kg3 Rf2 39.Kf2 hg4 40.hg4 Bg4 41.Rd6 a5?? 42.ba5 Bf5 43.a6 Be4 44.a7 f5 45.Rd8 Kf6 46.a8Q Ba8 47.Ra8 g5 48.Kf3 g4 49.Kg3 Ke6 50.Ra5 Kf6 51.Kh4 Kg6 52.Ra6 Kf7 53.Kg5 g3 54.Kf5 g2 55.Ra1 Ke7 56.Rg1 Kd6 57.Rg2 Kd5 58.Re2 Kd4 59.Re1 Kd3 60.Re8 Kd4 61.Kg6 Kd5 62.f5 Kd6 63.f6 Kd7 64.f7 Kd6 65.f8R Kd7 66.Kf6 Kc6 67.Re5 Kd7 68.Re6 Kc7 69.Rf7 Kd8 70.Ra6 Kc8 71.Ra8# 1–0. poganinbezdom – golfx, kurnik, 2011.

3.Bb2 Nf6 4.a5 =.

3.b5? ab5 4.Nc3 d5 –/+.

3.b5? cb5 4.ab5= a5 5.c4 b6 6.d3 Bb7 7.Nf3 d6 8.g3 Nd7 9.Bg2 Ngf6 10.0–0 g6 11.Bb2 Bg7 12.Bf6 Nf6 13.Ra2 0–0 14.Nbd2 e6 15.Nh4 (15.Qa4 Qc7=) 15...Bg2+= 16.Ng2 Re8 17.e4 Rc8 18.f4 d5 (18...Nd7 19.Nf3=) 19.e5 Ng4?? (19...Nd7 20.cd5 ed5 21.d4=) 20.cd5?? (better is 20.Qg4 dc4 21.Nc4 Qd4 22.Raf2+–) 20...Qd5= 21.Qb3?? Red8 22.Qd5–/+ Rd5 23.Ra3? Rcd8 24.Ne1 Rb5–+ 25.Nc4 f6 26.h3 Nh6 27.Nd6 Rb1–+ 28.d4 fe5 29.de5 Nf5 30.Kg2? Nd6–+ 31.ed6 Rd6 32.Nf3 Rf1 33.Kf1 Rc6 34.Ke2 Rc2 35.Kd3 Rg2 36.g4 Rg3 37.Ke4 Rh3 38.Ng5?? Ra3–+ 39.Ne6 Bc3 40.g5 b5 41.Kd5 b4 42.Kc4 Ra1 43.Nd4 Bd4 (43...Bd4 44.Kd4 Rc1–+) 0–1. olanio8 – golfx, kurnik, 2011.

3.c4 b6 4.Bb2 Bb7 5.d3 d6 6.Nf3 Nd7 7.g3 Ngf6 8.Bg2 g6 9.0–0 Bg7 10.Qb3 0–0 11.Nd4 Qc7 12.Nf3 Rab8 13.Nbd2 Rfe8 14.Ng5 h6 15.Ngf3 d5 16.Bf6 Nf6 17.cd5 Nd5 18.Rac1 Qd6 19.Nc4 Qb4 20.Qb4 Nb4 21.Nb6 a5 22.Nc4 Ra8 23.Nfe5 Be5 24.Ne5+/– Rec8 25.Rb1 Kg7 26.Nc4+– Ra7 27.Na5! Ra5 28.Rb4 c5?? 29.Rb7+– c4 30.dc4 Rc4 31.Re7 Raa4 32.Bd5 Rc2 33.Rf7 Kh8 34.Rf8 Kg7 35.Rf7 Kh8 36.Rf3 Ra5 37.e4 h5 38.Rb1 Kg7 39.Rb7 Kh6 40.Rf8 Rcc5 41.h4 g5 42.Rh8 Kg6 43.Rb6 Kg7 44.Rh5 gh4 45.Rh4 Rd5 46.ed5 Rd5 47.Kg2 Rd7 48.Rg4 Kh7 49.Rb5 Rf7 50.Rh5# 1–0. haxhi – golfx, kurnik, 2011.

3.c4 b6 4.d4 Bb7 5.Nf3 d6 (5...e5 6.de5 Bb4 7.Bd2=) 6.Bb2 Nd7 7.Nbd2 Ngf6 8.g3 g6 (8...e5 9.e4=) 9.Bg2+= Bg7 10.0–0 0–0 11.Qb3 b5 12.ab5 cb5 13.cb5 ab5 14.e3 (14.Ra8 Qa8 15.Ra1 Qd8+=) 14...Nb6 15.Ra3 (15.Ra8 Ba8 16.Qd3 Qd7=) 15...e6 16.Rfa1 Ra3 17.Ra3 Qc7 18.Ne1 (18.Ra5!?=) 18...Bg2+= 19.Ng2 d5 20.Qd3 Na4 21.Bc3 (21.Qb3 Rc8 22.Ra1 Qd6+=) 21...Rc8–/+ (21...Nc3?! 22.Rc3 Qb6 23.Nf4=) 22.Nb1 Ne4 (22...Nc3 23.Rc3 (23.Qc3? Ne4 24.Qe1 Qc1–+) 23...Qd7 24.Rc8 Qc8 25.Qb5+=) 23.Qb5? (better is 23.Be1 Qc4 24.f3–/+) 23...Nac3–+ 24.Nc3 Nc3 25.Qd3 Ne4 26.Nf4 e5 27.Nd5 Qc1 28.Kg2 Nd2?? 29.Ne7+– Kh8 30.Nc8 Qc8 31.Qd2 ed4 32.ed4 Qc6 33.f3 h5 34.Rd3 Qc4 35.d5 h4 36.g4 f5 37.Rd4 Qc8?? 38.Rf4 fg4 39.Rg4 Qd8 40.d6 Kh7 41.d7 Bf6 42.Qd3 Kh6 43.Qg6# 1–0. haxhi – golfx, kurnik, 2011.

3.c4 e6 4.Ba3 Qf6 5.Nc3 Ne7 6.e3 Nf5 7.Ne4 Qe5 8.Qb1 d5 9.Nf3 Qe4 10.Qe4 de4 11.Ng5 Be7 12.Ne4 0–0 13.c5 Nd7 14.g4 Nh6 15.h3 Nf6 16.Nd6 Nd5 17.e4 Nf4 18.d4 Bd6 19.cd6 b5 20.a5 Rd8 21.e5 Nd5 22.Kd2 f6 23.Bg2 fe5 24.de5 Nf7 25.Bd5 ed5 26.Rae1 Re8 27.f4 g6 28.Bb2 Be6 29.Bd4 Nh6 30.Rhg1 Kf7 31.Ref1 Rf8 32.f5 gf5 33.gf5 Nf5 34.Rg5 Ke8 35.Bb6 Kd7 36.h4 h6 37.Rg6 Rg8 38.h5 Rg6 39.hg6 Rg8 40.Rg1 h5 41.Be3 h4 42.Bf4 h3 43.Kc3 Ng7 44.Bg5 Bf5 45.Bf6 Ke6 46.Kd4 Nh5 47.Kc5 Rg6 48.Rg6 Bg6 0–1. jura1946 – rufil, kurnik, 2012.

3.c4 g6 4.Bb2 Nf6 5.e3 Bg7 6.b5 cb5 7.cb5 a5 8.f4 0–0 9.Nf3 d6 10.Bc4 Bg4 11.0–0 d5 12.Bb3 e6 13.h3 Bf3 14.Qf3 Ne4 15.Bg7 Kg7 16.d3 Nc5 17.Bc2 Qf6 18.Nd2 b6 19.g4 Nbd7 20.g5 Qc3 21.Rac1 Qd2 22.Rfd1 Qb4 23.d4 Ne4 24.Be4 de4 25.Qe4 Rac8 26.Rc6 Qa4 27.Rdc1 Rc6 28.bc6 Rc8 29.cd7 Rc1 30.Kg2 Qd7 31.Qe5 Kg8 32.h4 Qd5 33.Kg3 Qe5 34.fe5 a4 0–1. jura1946 – achim57, kurnik, 2012.

2.a4 Nc6

3.Ba3 e6 4.c3 b5 5.a5 Bb7 6.e3 d5 7.f4 Be7 8.Nf3 Bh4 9.g3 Be7 10.Bg2 Nf6 11.0–0 Ne4 12.d3 Nf6 13.Ne5 h5 14.d4 Bd6 15.Nd2 Be5 16.fe5 Ng4 17.Qf3 0–0 18.h3 Nh6 19.Qh5 Ne7 20.Nf3 Ng6 21.Bc1 Nf5 22.Qg4 f6 23.Qg6 1–0. jura1946 – dio1, kurnik, 2012.

3.Ba3 Nf6 =+.

3.c3 d5 4.e3 e5 5.Bb2 Bf5 6.Ne2 Bd6 7.Ng3 Qd7 8.b5 ab5 9.Bb5 Bb1 10.Qb1 Nge7 11.c4 dc4 12.Bc4 Nb4 13.0–0 Ra4 14.Ra4 Qa4 15.Nh5 0–0 16.f4 Nbc6 17.Bd3 e4 18.Be4 g6 19.Nf6 Kg7 20.Ne8 Kg8 21.Nf6 Kg7 22.f5 Rd8 23.fg6 hg6 24.Nd5 Kf8 25.Ne7 Ne7 26.Bf6 Ke8 27.Bb7 Qd7 28.d4 Rb8 29.Be7 Qe7 30.Qb5 Kf8 31.Rf3 c6 32.Qc6 Rb7 33.g3 Rc7 34.Qa8 Qe8 35.Qe8 Ke8 36.Kf2 Rc2 37.Kg1 Ke7 38.h3 Ke6 39.g4 f5 40.gf5 gf5 41.h4 Kf6 42.e4 f4 43.e5 Be5 44.de5 Ke5 45.h5 Kf5 46.h6 Kg6 47.Rh3 Kh7 48.Kf1 Rc6 49.Kf2 Rh6 50.Ra3 Rh4 51.Ra5 Kg6 52.Kg2 Rg4 53.Kf3 Rg5 54.Ra6 Kf5 55.Ra5 Kf6 56.Ra6 Kf5 57.Ra5 Kg6 58.Ra6 Kf5 ˝–˝. jura1946 – matek00097, kurnik, 2012.

3.c3 e5 4.Ba3 d5 5.b5 ab5 (5...Nce7!?=+) 6.ab5= Ba3 7.bc6 bc6 (7...Qd6 8.Qb3 (8.Na3?! Ra3 9.Ra3 Qa3=) 8...Nf6 9.cb7 (9.Na3?! Qc6 10.Nf3 Nd7+–; 9.Ra3?! Ra3 10.Na3 Qc6+–) 9...Bb7 10.Qb7+– (10.Na3?! 0–0+–)) 8.Na3 Be6 (8...Nf6 9.Nf3 Qe7 10.Nc2 Ra1 11.Na1+–) 9.Nf3 Qf6 (9...f6 10.d4+–) 10.Nc2 (10.d4 Qe7 11.Qb3 e4+–) 10...Ra1 11.Qa1 Ne7 (11...Bg4 12.d4 Bf3 13.ef3+–) 12.Qa7 Kd7 (12...e4 13.Nfd4+–) 13.d4 ed4 (13...Ng6 14.de5 Ne5 15.Ne5 Qe5 16.Nd4+–) 14.cd4 (14.Qd4?! Qd4 15.cd4 Kd6+–) 14...h6 (14...Ng6 15.e3+–) 15.Ne5 Kd8 16.Nb4 Bd7 (16...Bc8 17.Qc5 Bd7 18.e3+–) 17.Qa8 Nc8 18.e3 (18.Nbc6 Bc6 19.Nc6 Kd7 20.Ne5 Kd8 21.Qd5 Nd6+–) 18...Re8 (18...Ke8 19.Nbc6 (< 19.Nec6 Qg6+–) 19...Qe6 20.Nb4+–) 19.Nbc6 (< 19.Nec6 Bc6 20.Nc6 Kd7 21.Nb8 Ke7 22.Qd5 Nb6 23.Qc5 Qd6 24.Nc6 Kf8 25.Qd6 cd6+–) 19...Bc6 20.Nc6 (< 20.Qc6 Re5 21.Qf6 gf6 22.de5 fe5+–) 20...Kd7 21.Bb5 Kd6 (21...Ke6 22.Nb4 Rd8+–) 22.Nb4 Qf5 23.Qc6 Ke7 24.Qe8 Kf6 25.Qc6 Kg5 26.h4 Kg4 27.Be2 (27...Qf3 28.Bf3 Kf5 29.g4#) 1–0. honkey7 – Talman, Live Game Caissa's Web, 2004.

3.c3 e5 4.Bb2 d5 5.b5 ab5 6.ab5 Ra1 7.Ba1 Na7 8.e3 Bd7 9.Qb3 Bd6 10.Qd5 Nf6 11.Qb3 0–0 12.Nf3 Qe8 13.c4 b6 14.Be2 Bc5 15.0–0 Nc8 16.Ne5 Be6 17.d4 Bd6 18.Nf3 Ne7 19.d5 Bg4 20.Bf6 gf6 21.Nd4 Bd7 22.Qc3 Kh8 23.Nd2 Rg8 24.Ne4 Be5 25.Qd3 f5 26.Ng3 f4 27.ef4 Bf4 28.Nf3 Qf8 29.Qd4 f6 30.Qf4 Qg7 31.Bd3 Rf8 32.Qc7 Bg4 33.Nd4 h5 34.Qb6 h4 35.Ngf5 Nf5 0–1. chybol3 – tmks, kurnik, 2012.

3.c3 e5 4.Bb2 Nf6 5.e3 d5 6.Nf3 Bg4 7.h3 Bf3 8.Qf3 Bd6 9.b5 ab5 10.Bb5 0–0 11.d3 Ne7 12.d4 c6 13.Bf1 e4 14.Qd1 h6 15.Be2 Nh7 16.c4 Bb4 17.Nd2 Qa5 18.Bc1 Bc3 19.Ra2 c5 20.dc5 Qc5 21.0–0 Bd2 22.Bd2 dc4 23.Qc2 Rfc8 24.Qe4 Nd5 25.Rc1 b5 26.a5 Nhf6 27.Qb1 c3 28.Be1 b4 29.Bf3 Ra5 30.Ra5 Qa5 31.Qf5 Qd8 32.e4 Ne7 33.Qb5 Rb8 34.Qc4 Qc8 35.Qb3 Nc6 36.Bc3 Nd4 37.Bd4 Qc1 38.Kh2 Qf4 39.Kh1 Ne4 40.Be4 Qe4 41.Be3 Rc8 42.Kh2 Rc3 0–1. jura1946 – pirati, kurnik, 2012.

2.a4 e5

3.Ba3 a5 4.b5 Ba3 5.Na3 b6 6.c4 d5 7.e3 Ne7 8.Nf3 Bg4 9.Be2 Bf3 10.Bf3 e4 11.Be2 d4 12.ed4 Qd4 13.0–0 0–0 14.Nc2 Qc5 15.Re1 f5 16.d4 ed3 17.Qd3 Qd6 18.Qd6 cd6 19.Bf3 Ra7 20.Rad1 Ng6 21.Nd4 Ne5 22.Bd5 Kh8 23.Ne6 Rf6 24.f4 Ned7 25.Bc6 h6 26.Rd6 Nc6 27.bc6 Nc5 28.Rd8 Kh7 29.Nf8 Kg8 30.Nd7 Kf7 31.Nf6 Kf6 32.Rb8 Ne6 33.Rb7 Ra8 34.Re6 Ke6 35.c7 Kd7 36.Rb8 1–0. popovicigelu – comatsu, kurnik, 2012.

3.Ba3 d6 4.c4 Bd7 5.b5 ab5 6.cb5 h6 7.e3 Nf6 8.Bc4 Be7 9.Qb3 0–0 10.Nf3 Qc8 11.0–0 c6 12.d4 ed4 13.Nd4 cb5 14.Bb5 Nc6 15.Nd2 Nd4 16.ed4 Bb5 17.Qb5 Qc6 18.Qc6 bc6 19.Bb2 d5 20.a5 Bb4 21.Nb3 Ne4 22.Rfc1 Rfc8 23.f3 Nd2 24.Nd2 Bd2 25.Rc2 Ba5 26.Kf2 Ra7 27.Rac1 Ra6 28.g4 Bd8 29.f4 Bf6 30.Ke3 Rb6 31.Bc3 Rb3 32.Kd3 Re8 33.Rb2 Rb2 34.Bb2 Re4 35.Rc6 Rf4 36.Rd6 Rg4 37.Rd5 Rg2 38.Ba3 Rh2 39.Ke4 Rh4 40.Kd3 Rh3 0–1. jura1946 – adamiczu, kurnik, 2012.

3.Ba3 d6 4.c4 Be7 5.b5 Nf6 6.e3 0–0 7.Nc3 ab5 8.cb5 c6 9.Nf3 Bd7 10.Qc2 cb5 11.Nb5 Bb5 12.Bb5 Qb6 13.Ne5 Rd8 14.Nc4 Qa7 15.Nd6 Bd6 16.Bd6 b6 17.Bb4 Nd5 18.Ba3 Nc7 19.Bd3 Qa4 20.Bh7 Kh8 21.Qc7 Qd7 22.Qd7 Rd7 23.Be4 Ra5 24.0–0 Rd2 25.Bb4 Ra1 26.Bd2 Rf1 27.Kf1 Kg8 28.Ke2 Kf8 1–0. jura1946 – trend, kurnik, 2012.

3.Bb2 Bb4 4.Be5 d6?? 5.Bg7+– Qe7 6.Bh8 f6 7.e3 Bf5 8.c3 Bc5 9.d4 Ba7 10.Bd3 Bd3 11.Qd3 Nd7 12.Nf3 0–0–0 13.0–0 Nh6 14.Bf6! Nf6 15.c4 d5 16.Nc3 Ne4 17.Nd5 Qe6 18.Rab1 Nf5 19.Qb3 Nh4 20.Qb7 Kd7 21.Qc7 Ke8 22.Nh4 Nd2 23.Qh7 Qe4 24.Qh8 Kf7 25.Rb7 Ke6 26.Re7 (26…Kd6 27.Qd8 Kc6 28.Qc7; 26.Qf6) 1–0. gtate – baxter, net–chess.com, 2001.

3.Bb2 f6 4.b5 (--> 1.b4 e5 2.Bb2 f6 3.b5 a6 4.a4).

3.Bb2 Qf6 4.Nf3= Bb4 5.Be5+/– Qg6 6.Bc7 Nc6 7.c3 Bd6 8.Bb6 Ne5 9.e3 Ne7 (9...Bb8 10.Bd4 (10.Ne5 Be5) 10...Nf3 11.Qf3+/–) 10.Ne5 (10.a5 0–0+= 0.50 (10...Nd5 11.Bd4 Nc6+/–); 10.d4 Nf3) 10...Be5 11.d4 (11.a5 d5+/–) 11...Qb6 12.de5 Qb2 13.Ra3 Qb6 (13...Ng6 14.f4 Nh4 15.Be2+/–) 14.Qb3 (14.Rb3 Qa5+/–) 14...Qb3 (14...Qc5!?+=) 15.Rb3+/– 0–0 (15...Nc6 16.f4+/–) 16.Bd3 (16.Nd2 Nc6 17.f4 Rd8+–) 16...Rb8 (16...Nc6!?+/–) 17.c4+– Nc6 18.f4 (18.c5 Re8 19.f4 h6+–) 18...Na5 (18...b6 19.Nc3 Na5 20.Rb4+–) 19.Rb6 Re8 (19...f6 20.ef6 Rf6 21.Rf6 gf6 22.Nc3+–) 20.Nc3 f6 21.ef6 Re3 22.Kd2 Re6 23.Re6 de6 24.fg7 Nb3 25.Kc2 Nc5 26.h4 Bd7 27.h5 Kg7 28.a5 Kh6 29.g4+– Bc6 30.g5 Kg7 31.Re1 Bf3 32.h6+– Kg8 33.Ne4 Ne4 34.Be4+– Be4 35.Re4 Re8 36.Kc3 Kf7 37.Kd4 Kg6? 38.Re5 Rd8 39.Kc5 Kf7 40.Kb6 Rd7 41.c5 Rd5 42.Kb7 Ke7 43.Ka6 Kd7 44.Kb6 Rd4 45.c6 Kc8 46.Re6 Rd8 47.a6 Rf8 48.a7 (48.a7 Rf4 49.a8Q) 1–0. katchum (1690) – gstevenson, net–chess.com, 2001.

3.c3 Nc6 4.Nf3 (4.Ba3 Nf6+= (4...d5 5.b5 Nce7 6.e3 ab5 7.ab5 Bf5 8.d3 Nf6 9.Nd2 Ng6 10.Bf8 Ra1 11.Qa1+= –0.34) 5.b5 Ne7 6.ba6 b6 7.d4 e4 8.Nd2 Ba6 9.Qc2 e3 10.fe3 Ned5 11.e4+= –0.69; 4.e4 A) 4...Nf6 5.d3 (5.Nf3 d5 6.ed5 Qd5 7.d3 Bf5 8.Bg5 Be7 9.Na3 h6 10.Be3 Ng4 11.Nc4+= –0.53) 5...d5 6.ed5 Nd5 7.Nf3 Bd6 8.Be2 0–0 9.0–0 Re8 10.Re1 Be7 11.Qc2= –0.22; B) 4...d5 5.ed5 Qd5 6.d3 Nf6 7.Qf3 Be6 8.Nd2 Qd7 9.Rb1 Bd6 10.Ne4 Ne4 11.de4+= –0.50) 4...d5 (4...e4 5.Ng1 d5 6.d3 Nf6 7.Bg5 h6 8.Bf6 Qf6 9.d4 Bd6 10.e3 Be6 11.a5–/+ –0.91) 5.e3 (5.d4 e4 6.Ne5 Nb4 7.Ba3 f6 8.e3 Nc2 9.Qc2 fe5 10.de5 Ba3 11.Ra3= –0.19; 5.d3 Nf6 6.Ba3 Bd6 7.b5 ab5 8.ab5 Ne7 9.e3 0–0 10.Be2 Bd7 11.Qb3+= –0.59) 5...e4 6.Nd4 Ne5 7.f3 (7.f4 ef3 8.Nf3 Nf3 9.Qf3 Nf6–/+ 10.Bd3 Bg4 11.Qf2+= –0.62; 7.Qb3 Qg5 8.Rg1 Nf6 9.Ba3 Qh4 10.h3 Qg5 11.b5–/+ –0.87) 7...Nd3 (7...ef3 8.Nf3 Nf3 9.Qf3–/+ Nf6 10.Bd3 a5 11.b5+= –0.50) 8.Bd3+= ed3 9.Qb3 (9.0–0 Bd6+= 10.Ba3 Qg5 11.b5= –0.03) 9...Nf6 (9...Qh4 10.g3 Qh5 11.Bb2–/+) 10.c4 (10.Ba3 Bd7+= (10...Be6 11.b5+= –0.28) 11.0–0+= –0.31) 10...Be6 (10...dc4 11.Qc4 Qd5 12.Qd3 Bb4 13.Nc3+=) 11.Ne6 (11.c5 a5=) 11...fe6 12.Qd3 Bb4 13.cd5 (13.Ba3 Qe7+=) 13...Qd5 14.Qe2 Qe5 15.Ra2 a5 16.Bb2 Qd5 17.Ra1 Qb3 18.Bf6 gf6 19.0–0 Qb2–/+ 20.Nc3? Bc3–+ 21.dc3 Qe2 22.Rae1 Qc4 23.e4 Qc5 24.Kh1 Qc3 25.Rc1 Qa3 26.Rc7 Qa4 27.Rb7 Qc4 28.Rfb1 1–0. piotrus – Thunderbird89, internet, 2010.

3.c3 d5 4.e3 e4 5.Bb2 Nf6 6.Qb3 c6 7.c4 Be6 8.c5 Nbd7 9.h3 Be7 10.f4 Kf8 11.Qc2 Nh5 12.d4 ed3 13.Bd3 Bh4 14.Kd1 Ng3 15.Rh2 g6 16.Bh8 Bf5 17.Nf3 Nf1 18.Qe2 Bd3 19.Qd3 Nh2 20.Nh4 Qh4 21.Nd2 Qf2 22.Kc2 Qg2 23.h4 Nf3 24.Rd1 Qf2 25.Kb3 Re8 26.Nf3 Qf3 27.Re1 Qe4 28.Qc3 f6 29.Bf6 Nf6 30.Qf6 Kg8 31.Qd6 1–0. jura1946 – ikswok, kurnik, 2012.

3.c3 d6 4.Na3 Be6 5.e4 Nf6 6.Qc2 Be7 7.d4? (7.Nf3 Bg4+=) 7...0–0 (better is 7...ed4 8.cd4 d5–/+) 8.d5= Bg4 9.Bg5 (9.Be2 c6=) 9...Bh5 (better is 9...Nd5!? 10.ed5 Bg5–/+) 10.Bd3 Qd7 11.f3 c6 12.g4 Bg6 13.h4 h6 14.h5 Bh7 15.Bh4 cd5 16.b5? a5?? 17.Kf2? de4–+ 18.Be4? Ne4 19.fe4 Qg4 20.Be7 Re8 21.Rh4 Qd7 22.Bf6–/+ gf6 23.Ke3? Kh8 24.c4 Qe6 25.Qe2 Qd7 26.Rd1?? b6 27.Nb1 Rd8 28.Nc3–/+ Qc7 29.Rd5 Rg8 30.Kd3? Nd7 31.Qf2 Nc5 32.Rc5 dc5 33.Qf6 Rg7 34.Rg4?? Be4 35.Re4 Rd8?? 36.Ke3 Kg8 37.Nge2 Qd7 38.Nd5+/– Qh3 39.Qf3?? Qe6= 40.Ng3 f6 41.Nf5 Rg5 42.Nh6 Attacks the pawn on f6 42...Kh7? 43.Ng4+– f5? 44.Re5 Qc8 45.Re7 Kh8 46.Ngf6 Re8 47.Re8 Qe8 48.Ne8 f4 49.Kf4 Rg8 50.Qc3 Kh7 51.Ndf6 Kh8 52.Ng8 Kg8 53.Qg7 1–0. xorb – stefanW, ChessWorld.net, 2011.

3.d4 Bb4 4.c3 Bd6 5.Nf3 ed4 6.cd4 Nc6 7.e4 Bb4 8.Bd2 Bd2 9.Qd2 d6 10.d5 Ne5 11.Nc3 (11.Ne5 de5 12.Qc3 f6+=) 11...Nf3–/+ 12.gf3 Bd7 13.Rb1 Qc8 14.Rg1 g6 15.Rg5 Ne7 16.h4 h6 17.Rg2 Bh3 18.Rg3 Bf1 19.Kf1 c6 20.dc6 Qc6 21.Rc1 Rc8 22.f4 Qc4 23.Rd3 Nc6?? (better is 23...f5 24.ef5 0–0 (24...Nf5? 25.Na2+–) 25.fg6 Ng6–/+ (25...Rf4? 26.Ne2 Rf2 27.Kf2 Qh4 28.Rg3 Qh2 29.Ke1 Qh1 30.Ng1 Qe4 31.Kf2 Rf8 32.Nf3+–)) 24.Nd5+– Qa4 25.Nf6 Kf8 26.Rd6 Kg7 27.e5 Rhd8?? 28.h5?? Rd6–+ 29.Qd6 Qf4 30.Rd1?? Rd8 31.Nd7 Ne5! 32.Qe7 Rd7 33.Rd7 Nd7 34.Qd7 Qc4 35.Kg2 Qc6 36.Qc6 bc6 37.hg6 fg6 38.Kf3 Kf6 39.Ke3 Ke5 40.Ke2 g5 41.f3 Kd4 42.Kf2 Kd3 43.Kg3 c5 44.Kf2 Kd2 45.Kg3 h5 46.Kh3 c4 47.Kg2 c3 48.Kf2 c2 49.Kg2 c1Q 50.Kf2 Qe1 51.Kg2 h4 52.Kh3 Qg3# 0–1. dunk0104 – Mr.Oldenslo, ChessWorld.net, 2011.

2.a4 e6

3.Ba3 b5 4.a5 Bb7 5.e3 d6 6.f4 c5 7.Nf3 Qc7 8.bc5 dc5 9.Bb2 c4 10.Be2 f6 11.0–0 Bc5 12.Nd4 Bd4 13.Bd4 Qc6 14.Bf3 Qc7 15.Bb7 Qb7 16.Qh5 Qf7 17.Qc5 Qd7 18.Nc3 Nc6 19.Ne4 Nd4 20.ed4 Ne7 21.Nd6 Kf8 22.Rae1 g6 23.c3 Kg7 24.Ne4 Rhc8 25.Qb4 Nd5 26.Qb1 Qc7 27.Nc5 Qc6 28.Ne6 Kh8 29.f5 Rg8 30.Rf3 Ne7 31.fg6 Rg6 32.Nf4 Rg4 33.Re7 Rh4 34.d5 Qd6 35.Re6 Qf8 36.g3 Qg7 37.d6 Rd8 38.Kh1 Rg4 39.Qe4 Qg8 40.d7 Rg7 41.Re8 Rgd7 42.Rg8 Kg8 43.Qe6 Kg7 44.Nh5 Kg6 45.Qf6 Kh5 46.Rf5 Kg4 47.Rf4 Kh5 48.g4 1–0. jura1946 – masacratorre, kurnik, 2012.

3.Ba3 Nf6 4.c4 d5 5.e3 b6 6.d4 Bb7 7.b5 Ba3 8.Ra3 dc4 9.Bc4 Bg2 10.f3 Bh1 11.Kf2 ab5 12.Bb5 c6 13.Be2 Qd6 14.f4 Be4 15.Rb3 Bb1 16.Rb1 Nbd7 17.Nf3 0–0 18.Ne5 Ne5 19.fe5 Ne4 20.Kf3 Qd5 21.Kf4 Nc3 22.Qd3 Nb1 23.Qb1 f5 24.Qb6 Ra4 25.Bf3 Qd8 26.Qc6 Qh4 0–1. popovicigelu – cieciura, kurnik, 2012.

3.b5 ab5 4.Bb2 ba4 5.c4 Nc6 6.Ra4 Ra4 7.Qa4 Nf6 8.e3 Bd6 9.Nf3 0–0 10.Be2 Ne7 11.d4 Ne8?? (better is 11...b6+=) 12.c5+– c6 13.cd6 Nd6 14.Ba3 Ne4 15.0–0 Nd5? (better is 15...d6+–) 16.Bd3 b5 17.Qc2 Nef6 18.Bf8 Kf8 19.e4 Nb4 20.Qc5 Qe7 21.e5 Nd3? 22.Qe7 Ke7 23.ef6 Kf6 24.Rd1 Nf4 25.g3 Nd5 26.Ne5 Ke7 27.f4 f6 28.Nd3 d6 29.Kf2 Kd7 30.Ke2 Ba6 31.Kd2 b4 32.Rg1 Bb5 33.h4 g6 34.Re1 h6 35.Kc1?? Bd3–+ 36.Nd2 Nc3 37.Kb2 Bb5 38.Ne4 Ne4 39.Re4 d5 40.Re3–/+ Kd6 41.Kb3= c5 42.dc5 Kc5 43.Re6 Bc4 44.Kb2 d4 45.Rf6 d3 46.Rg6 (46.Rg6 d2 47.Kc2 Bd3 48.Kd2 Bg6 49.Kc1–+). typ48 – gmarek211, kurnik, 2011.

3.b5 ab5–/+ 4.c3 ba4 5.Ra4 Ra4 6.Qa4 c6 7.e3 b5 8.Qc2 d6 9.Nf3 Nd7 10.d4 Bb7 11.Bd3 Be7 12.e4 g6 13.h4 Ngf6 14.Ng5 0–0 15.f4 c5 16.e5 de5 17.fe5 Nd5 18.h5? (better is 18.Bb5 cd4 19.Nf3–/+) 18...Bg5–+ 19.hg6 Bc1 (19...Bh4 20.Kd1 hg6 21.Qd2 Ne5 22.de5–+) 20.gf7? (better is 20.gh7 Kh8 21.Qc1–+) 20...Rf7 21.Bh7 Kf8 22.Qg6 (22.Qc1 Nf4 23.Qd2–+) 22...Qg5 (better is 22...cd4 23.Qg3 dc3–+) 23.Qe6 (23.Qg5 Bg5 24.Bg6–+) 23...Qe7 (23...Qe3 24.Kd1 Nc3 25.Kc2 Rf2 26.Nd2 Qd2 27.Kb3 Qb2#) 24.Qh6 (24.Bf5 Ke8 25.Qd7 Qd7 26.Rh8 Ke7 27.Bd7 Kd7 28.dc5–+) 24...Bh6 25.Rh6 Rh7 (25...Rh7 26.Rg6 Rh1 27.Kf2 Qf7 28.Rf6 N7f6 29.ef6 Qf6 30.Ke2 Qf1 31.Kd2 Qd1#) 0–1. captainevans – hyman (1610), kurnik, 2012.

3.c3 Nc6 4.Bb2 Be7 5.e3 Bf6 6.f4 Nge7 7.Nf3 Nb4 8.Ne5 Be5 9.fe5 Nbc6 10.d4 0–0 11.Bd3 d6 12.Qh5 g6 13.Qh6 de5 14.0–0 Nf5 15.Bf5 ef5 16.c4 ed4 17.ed4 Nd4 18.Nc3 Qf6 19.Rab1 Ne2 20.Ne2 Qb2 21.Rb2 Be6 22.c5 Rad8 23.Nf4 Bd5 24.Nd5 Rd5 25.Rb7 Rc5 26.h4 f4 27.Qf4 Rh5 28.Rc7 Rf5 29.Qd6 Rf1 30.Kf1 Kg7 31.Qa6 h5 1–0. jura1946 – mihaimpm, kurnik, 2012.

3.c3 d5 4.Bb2 Nf6 5.e3 Bd6 6.Qb3 c6 7.b5 ab5 8.ab5 Ra1 9.Ba1 0–0 10.bc6 bc6 11.d4 Qc7 12.f4 Ba6 13.Ne2 Nbd7 14.Nd2 Rb8 15.Qa2 Qb6 16.Kf2 c5 17.Nc1 Bf1 18.Rf1 Ng4 19.Ke2 cd4 20.cd4 Qb5 21.Nd3 Ndf6 22.Rb1 Qe8 23.Rb8 Qb8 24.h3 Nh6 25.Qb2 Qb2 26.Bb2 Nd7 27.Nb3 Nf5 28.Ndc5 Nc5 29.dc5 Bc7 30.Nd4 Nd4 31.Bd4 Kf8 32.Kd3 g6 33.g4 Ke7 34.e4 Kd7 35.e5 Kc6 36.Kc3 Bb8 37.Kb4+= Bc7 38.g5 Bd8 39.h4 Be7 Attacking the isolated pawn on c5 40.Ka5?? Bc5–+ 41.Bc3 Be3 42.Bb4 Bf4 43.Bd6 Bg3 44.Kb4 Bh4 45.Be7 Bg3 46.Bf6 Kb6 47.Kc3 Kb5 48.Kd3 Bf2 49.Bg7 Bc5 50.Bf6 Bb4 51.Kd4 Ba3 52.Bg7 Bb2 53.Kd3 Kb4 54.Bf6 Kc5 Black prepares d4 55.Be7 Kc6 56.Bf6 d4 57.Kc2 Bc3 58.Kd3 Kd5 0–1. poganinbezdom – gigibalamuc, kurnik, 2011.

3.c3 d5 4.d4 Nf6 5.Nf3 h6 6.Ne5 Bd6 7.Nf3 Bd7 8.Qd3 Nc6 9.b5 ab5 10.a5 Ra5 11.Ra5 Na5 12.e3 Nc4 13.Be2 0–0 14.0–0 c6 15.Ne5 Ne5 16.de5 Be5 17.f4 Bc7 18.Ba3 Re8 19.Bc5 Bb6 20.Bb6 Qb6 21.g4 Ne4 22.g5 hg5 23.fg5 Ng5 24.Rf2 e5 25.Rg2 e4 26.Qd2 Nf3 27.Bf3 ef3 28.Rf2 Qe3 29.Qc2 g6 30.Nd2 Bf5 31.Qd1 Qe1 32.Rf1 Qd1 33.Rd1 Be4 34.Kf2 f5 35.Rg1 Kg7 36.h4 Kf6 37.Nf1 Rh8 38.Rh1 Rh5 39.Ng3 Rh6 40.h5 f4 41.Ne4 de4 42.Rd1 Rh5 43.Rd6 Kf5 44.Rd7 b6 45.Rf7 Ke6 46.Rb7 Kd6 47.Rb6 Kc5 48.Rb7 Rh2 49.Kg1 Rc2 50.Rg7 e3 51.Rg6 e2 52.Rg5 Kc4 53.Re5 Rc1 54.Kf2 e1Q 55.Re1 Re1 56.Ke1 Kc3 57.Kf2 b4 58.Kf3 b3 59.Kf4 b2 60.Ke4 c5 61.Kd5 c4 62.Kc5 b1Q 63.Kd5 Qb4 64.Ke4 Kc2 65.Kd4 c3 66.Ke3 Kb2 67.Ke2 c2 68.Ke3 c1Q 69.Kf3 Qcc3 70.Kg2 Qbb3 71.Kh2 Qbc2 72.Kh1 Qe1 0–1. playok117 – adamiczu, kurnik, 2012.

3.c3 Nf6 4.d4 b6 5.Bg5 h6 6.Bf6 Qf6 7.e4 Bb7 8.Nd2 d6 9.Ngf3 Nd7 10.Bd3 e5 11.b5 a5 12.0–0 Be7 13.Bc4 c5 14.bc6+= Bc6 15.Qb3 0–0 16.Bb5 Bb5 17.Qb5 Rfd8 18.Nc4 Rab8 19.Rfe1 ed4 20.cd4 Nf8? 21.Nb6+– d5 22.Nd5 Qd6 23.Qa5 Ne6 24.Red1 f5 25.Ne7 Qe7 26.Qf5 Qd7 27.Ne5 (27...Qe8 28.d5+–) 1–0. Trkn – mikeviking, Internet, 2005.

3.c3 Nf6 4.e3 h6 5.f4 c6 6.Bb2 d5 7.Nf3 Bd6 8.Bd3 Ne4 9.0–0 Nd7 10.Nd4 c5 11.bc5 Ndc5 12.Be4 de4 13.Ba3 Nd3 14.f5 Qc7 15.Bd6 Qd6 16.fe6 Be6 17.Na3 0–0 18.c4 Rac8 19.Ne6 Qe6 20.Qb3 Nc5 21.Qc2 Rfd8 22.Rab1 b6 23.Rf4 Nd3 24.Rff1 Ne5 25.Rfc1 Qg6 26.Rf1 Nf3 27.Kh1 Rd2 28.Qe4 Qe4 0–1. jura1946 – bicaboss1, kurnik, 2012.

3.c3 h6 4.Bb2 g5 5.c4 f6 6.b5 ab5 7.ab5 Ra1 8.Ba1 Qe7 9.e3 Bg7 10.Nf3 h5 11.Be2 Nh6 12.0–0 0–0 13.Qb3 c6 14.Nc3 cb5 15.cb5 d5 16.d4 Nd7 17.Bb2 Nb6 18.Ba3 Qd7 19.Bf8 Bf8 20.Rc1 Nf5 21.Bd3 Kg7 22.Bf5 ef5 23.Nd2 Kg6 24.Na4 Na4 25.Qa4 b6 26.Rc6 Qe7 27.g3 Be6 28.Rb6 Bf7 29.Qa6 f4 30.ef4 gf4 31.Nf3 fg3 32.hg3 Bg7 33.Ne5 Kg5 34.Nf7 Qf7 35.Rb7 Qg6 36.Qa7 Bh6 37.Qa1 h4 38.Qc1 Kf5 39.Qc2 Kg4 40.Qg6 Bg5 41.gh4 Kh4 42.Rh7 Kg4 43.Kg2 Kf4 44.Rh3 Kg4 45.Qd3 Bf4 46.Qf3 Kf5 47.Rh5 Ke6 48.Qf4 1–0. popovicigelu – profutm, kurnik, 2012.

2.Bb2 a5

3.b5 c6 4.c4 d5 5.e3 dc4 6.Bc4 f6 7.a4 e6 8.Qh5 g6 9.Qh4 Bh6 10.Nf3 Kf8 11.0–0 Qe8 12.Nc3 Nd7 13.Ne4 g5 14.Qh3 Ne5 15.Ne5 fe5 16.Nd6 Qe7 17.Be5 Bg7 18.d4 Nf6 19.f4 g4 20.Qg3 h5 21.f5 h4 22.Qf2 g3 23.hg3 Ng4 24.fe6 Nf2 25.Rf2 Kg8 26.Bf4 Be6 27.Bd3 Rf8 28.Raf1 hg3 29.Bg3 Rf2 30.Rf2 Bf6 31.Nf5 Bf5 32.Bf5 Qe3 33.Kf1 Rh1 0–1. elsh1403 – lekcje64szach, kurnik, 2012

3.b5 Nf6 4.e3 d5 5.Nf3 d4 (5...e6!?=) 6.Nd4 e6 7.Bc4 g6 8.0–0 h6 9.Nc3 Bg7 10.Ba3 Kd7 11.d3 Ra7 12.Qf3 b6 (12...Ra8+–) 13.Nc6 Bb7 14.Nd8 Bf3 15.Nf7 h5 16.Nh8 Ra6 17.ba6 Na6 18.gf3 c6 19.Ng6 Kc7 20.Ba6 c5 21.Nf4 e5 22.Ne6 Kb8 23.Ng7 Ka7 24.Bb5 Ne4 25.Ne4 h4 26.Bb2 h3 27.Be5 a4 28.Ba4 c4 1–0. Bonetti,Shane – Puntenet,David tramuntana (1890), ICC, 2002.

2.Bb2 Ra7

3.c4 b6 4.d4 Bb7 5.Nd2 Ba8 6.e4 Bb7 7.Bd3 Ba8 8.Ne2 Bb7 9.a4 Nc6 10.b5 Na5 11.Bc3 e6 12.Ba5 ba5 13.Nb3 Bb4 14.Kf1 d5 15.ed5 ed5 16.c5 Ne7 17.Nec1 0–0 18.Na2 Ng6 19.Nb4 ab4 20.ba6 Ba6 21.Bb5 Bb5 22.ab5 Ra1 23.Qa1 Qe7 24.g3 Re8 25.Rg1?? Qe2–+ 26.Kg2 Qe4 27.Kh3 Ne5 28.de5+/– Re5 29.g4 Qf3?? 30.Rg3+– Qe2 31.Nd4 h5 32.Ne2 Re2 33.gh5 f6 34.h6 Kh7 35.Rg7 Kh6 36.Qf6 Kh5 37.Rg5# 1–0. tyop (1830) – lydnils, kurnik, 2012.

3.Nf3 b5 4.e3 f6 5.Nh4 g6 6.a4 c6 7.ab5 cb5 8.Bb5 Qb6 9.Bd4 Qb5 10.Ba7 Nc6 11.Bd4 Nd4 12.ed4 Qb4 13.Nf3 d5 14.c3 Qb8 15.0–0 Bh6 16.Re1 g5 17.Qa4 Kf8 18.h3 Bg7 19.Qc6 Bb7 (19...Qb7 20.Qc5+–) 20.Qe6 (20.Qb6 Qa8+–) 20...h5 21.Na3 Rh6? (21...Qc8 22.Qb6 Kf7+–) 22.Rab1 f5 (22...Qa8 23.Qd7 Qc8 24.Rb7 Qd7 25.Rd7 g4+–) 23.Qd7 (23…Qc8 24.Rb7 Qd7 25.Rd7+–) 1–0. Wall,Bill – RawTale, Microsoft Gaming Zone, 2004.

3.Nf3 b6 4.g3 b5 5.Bg2 c6 6.0–0 d6 7.d3 c5 8.bc5 dc5 9.Nbd2 a5 10.c4 Rd7? (better is 10...b4!?+/–) 11.cb5+– Rb7 12.a4 Rb5 (12...Nf6+–) 13.ab5 Qc7 14.Nc4 e6 15.b6 Qb6 16.Nb6 Bd6 17.Nc8 Be7 18.Nb6 Bd8 19.Nc4 h6 20.Bg7 Rh7 21.Be5 f6 22.Bb8 Rb7 23.Bf4 a4 24.Be3 a3 25.Bc5 a2 26.Ra2 Kd7 27.Be3 e5 28.Nh4 f5 29.Nf5 (29.Nf5 Ke6 30.Ra6 Bb6 31.Qa1 Kf6 32.Qe5 Kg6 33.Nh4 Kf7 34.Nd6 Kf8 35.Ng6#) 1–0. linakip – szymon43, kurnik, 2011.

3.Nf3 b6 4.g3 f6 5.Bg2 Bb7 6.0–0 d5 7.d3 e5 8.Nbd2 Nh6 9.c4 d4 10.e3 c5 11.bc5 bc5 12.ed4 cd4 13.Ne4 Be4 14.de4 g6 15.Qa4 Qd7 16.Qd7 Nd7 17.a4 Bg7 18.Ba3 Bf8 19.Bf8 Nf8 20.Rab1 Rc7 21.Rb8 Kf7 22.Rc1 Rg8 23.c5 Ne6 24.Rg8 Ng8 25.c6 Ne7 26.Bf1 Rc6 27.Rc6 Nc6 28.Ba6 Nb4 29.Bc4 Ke7 30.a5 Nc5 31.Nd2 Kd6 32.f3 Kc6 33.Nb3 Nb3 34.Bb3 Kb5 35.a6 Ka6 36.Bg8 h6 37.h4 g5 38.Kf2 Nd3 39.Ke2 Nc5 40.hg5 hg5 41.Bf7 Ka5 42.Kd2 Kb4 43.Ke2 Kc3 44.Kf2 d3 45.Ke3 d2 46.f4 gf4 47.gf4 ef4 48.Kf4 d1Q 49.Kf5 Qf3 50.Kg6 Qe4 51.Kf6 Qd4 52.Kg6 Ne4 53.Ba2 Nd6 54.Kg5 Ne4 55.Kf5 Nd2 56.Kg5 Qe4 57.Kf6 Kd4 58.Kg5 Ke5 59.Kh6 Qf5 60.Bc4 Nf3 0–1. kubak – lilpopo, kurnik, 2012.

2.Bb2 b5

(--> 1.b4 b5 2.Bb2 a6).

3.e3 Bb7 (--> 1.b4 b5 2.Bb2 Bb7 3.e3 a6).

3.e3 Bb7 4.Nf3 e6 5.a3 Nf6 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6).

3.e3 Bb7 4.Nf3 e6 5.Be2 Nf6 6.a3 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.Be2).

3.e3 Nf6 (--> 1.b4 Nf6 2.Bb2 b5 3.e3 a6).

3.Nf3 Bb7 4.e3 (--> 1.b4 b5 2.Bb2 Bb7 3.e3 a6 4.Nf3).

3.g3 Bb7 4.Nf3 (--> 1.b4 b5 2.Bb2 a6 3.Nf3 Bb7 4.g3).

2.Bb2 b6

3.a3 Bb7 4.e3 d6 5.d3 Nd7 6.e4 c6 7.Be2 Qc7 8.Bf3 e6 9.c4 Ne7 10.d4 f6 (10...d5 11.Nd2=) 11.Ne2 g6 12.h3 h6 13.Nd2 Bg7 14.Qc2 0–0 15.Nb3 (15.Nf4 Kf7+/–) 15...Rac8 16.d5 (better is 16.Nf4 Kf7 17.0–0+=) 16...cd5–/+ 17.ed5 (17.Nbd4 Qc4 18.Qc4 Rc4 19.Ne6 de4 20.Bg4–+) 17...ed5 18.Ned4 Qc4?? (18...Rfe8!? 19.Nd2 Ne5 20.0–0 dc4 21.Ne6 Nf3 22.Nf3–+) 19.Qc4 (19.Qd1!? Ne5 20.Be2+=) 19...Rc4–/+ (19...dc4?! 20.Bb7 cb3 21.Bc8 Rc8 22.Nb3=) 20.Ne6 Rfc8 21.0–0 Ne5–+ 22.Ng7 Kg7 23.Nd4?! Kf7 24.Be2 b5 25.Bc4 dc4 26.Bc3 Nd3 27.f3 Nf4 28.a4 ba4 29.Ra4 Ned5 30.Bd2 g5 31.Bf4 gf4 32.b5 Ne3 33.Rc1 c3?? 34.Nf5?? Kg6?? 35.Nd6 Bf3? 36.Nc8 Bg2 37.Rc3 Bh3 38.Ra6 Bc8 39.Rc8 (39.Rc8 f3 40.b6+–) 1–0. huno – wiktunia, kurnik, 2012.

3.a4 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.a4 a6).

3.c4 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.c4 a6).

3.c4 c6 4.Nc3 d6 5.Rc1 e6 6.e3 Nf6 7.Nf3 Be7 8.d4 d5 9.Qc2 0–0 (9...Bb4 10.Qb3 Ba5 11.Bd3+=) 10.Bd3 (10.a3 Nbd7=) 10...g6 (10...Bb4 11.0–0+=) 11.0–0 Bd7 (11...Bb4!? 12.Qb3 dc4 13.Bc4 a5=) 12.a3+= Kg7 13.Ne5 Be8 14.cd5 cd5 15.e4 Nc6 16.ed5 Nd4 17.Qd1 ed5 (17...Nd5? 18.Nd5 Qd5 19.Bc4+–) 18.Bg6 hg6 19.Qd4 Bd6?? (19...Rh8!?+/–) 20.Nf3 (better is 20.Ng4 Bd7 21.Nd5 Bg4 22.Nf6 Bh2 23.Kh2 Qd4 24.Bd4 Rfd8+–) 20...Bd7?? (better is 20...Bc6+–) 21.Nd5 Be7 22.Ne7 Qe7 23.Rfe1 Be6 24.Qb6 Kh7 25.Ng5 Kh6 26.Ne6 fe6 27.Qe3 Kh7 28.Qe6 Qe6 29.Re6 Nh5 30.Rc7 Kh6 31.Rcc6 Rg8 32.g3 a5 33.b5 a4 34.Bc1 Kh7 35.Rc7 Rg7 36.Ree7 Re7 37.Re7 Kg8 38.b6 Rb8 39.b7 Nf6 40.Rc7 Ne8 41.Rc8 Rb7 42.Re8 Kf7 43.Rc8 Rb1 44.Kg2 Ke6 45.Rc4 Kd5 46.Rc8 Ke4?? 47.Be3+– Rb3 48.Rc4 Kd3 49.Ra4 Ke2 50.Rg4 Ra3 51.Rg6 Ra2 52.h4 Ra5 53.Bg5 Kd3 54.h5 Ke4 55.h6 Kf5 56.h7 Ra8 57.Rg8 Ra7 58.h8Q Rf7 59.Qh3 Ke5 60.f4 Ke4 61.Re8 Kd5 62.Qe6 Kd4 63.Qf7 (63.Qf7 Kd3 64.Qc7 Kd4 65.Rd8 Ke4 66.Qe5#; 63.Qd6 Kc4 64.Qc6 Kd3 65.Rd8 Rd7 66.Rd7 Ke3 67.Qe6#) 1–0. slax1 – tekret92 (1640), kurnik, 2011.

3.c4 d6 4.e3 Bb7 5.Nf3 h5 6.Be2 h4 7.h3 e6 8.d4 g5 9.d5 e5 10.e4 g4 11.hg4 Qg5 12.Ng5 Nd7 13.Nh3 Nh6 14.f3 Rg8 15.Nd2 0–0–0 16.a4 Bg7 17.Rc1 Kb8 18.Nf1 f5 19.ef5 Nf5 20.gf5 e4 21.fe4 Bb2 22.Rc2 Bd4 23.Bf3 Ne5 24.Qe2 Bc8 25.Nf4 Rde8 26.Ne6 Nf3 27.Qf3 Be5 28.Kd1 Bb7 29.Rh4 c6 30.Rh7 cd5 31.cd5 Rc8 32.Ne3 Rc2 33.Nc2 Rc8 34.g4 Rc3 35.Qh1 Rb3 36.Rh8 Ka7 37.Qh7 1–0. rom49szachy – kaczapaya, kurnik, 2012.

3.c4 e6 4.e3 h6 5.Nf3 Nf6 6.d4 g5 7.a3 Bg7 8.Nc3 0–0 9.Qc2 d5 10.Rc1 Ne4 11.Ne4 de4 12.Nd2 Bb7 13.Ne4 Be4 14.Qe4 c6 15.Bd3 f6 16.Qh7 Kf7 17.Bg6 Ke7 18.Qg7 Kd6 19.c5 bc5 20.bc5 Kd5 21.e4 1–0. ognos (1710) – profutm, kurnik, 2012.

3.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 a6).

3.e3 Bb7 4.Nf3 e6 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 a6).

3.e4 Bb7 4.e5 d6 5.f4 de5 6.fe5 Qd5 (6...e6 7.Qg4+=) 7.Nf3 (7.a3 Qe4 8.Kf2 Qf4 9.Nf3 Nd7=) 7...Qe4+= 8.Be2 Nd7 (8...Qb4 9.Bc3 Qe4 10.d3+=) 9.0–0 (better is 9.a3+=) 9...g6?? (better is 9...Qb4!? 10.Bc3 Qe4+=) 10.d4 (better is 10.e6 f6 11.ed7 Kd7 12.Ne5 fe5 13.Bf3 Qb4 14.Be5+–) 10...Bg7 11.Nbd2 Qg4 12.e6 fe6 13.Ne5?? Qg5 14.Ndf3 Qe3 15.Kh1 Ne5 16.Ne5 Nf6 17.Bf3 Bf3 18.Rf3 Qe4 19.c4 0–0 20.Qf1 Nh5 21.Re1 Rf3 22.Nf3 Qc2 23.Re2? Qc4–+ 24.Ng5 Rf8 (24...Rf8 25.Qd1 Nf4–+; 24...Qb4?! 25.Qf7 Kh8 26.Qe6+=) 0–1. dziambo – golfx, kurnik, 2011.

3.Nf3 Ra7 4.g3 d6 5.Bg2 c6 6.0–0 Nd7? (6...e5 7.c4=) 7.d3 (7.Nd4 Nb8 8.Nc6 Nc6 9.Bc6 Bd7+/–) 7...a5 (7...e5 8.c4=) 8.ba5 ba5 (worse is 8...Ra5 9.Nd4 Qc7 10.Nc6+/– (10.Bc6?! e5+=)) 9.Nbd2 c5 10.a3 Nb6 11.c4 a4 12.Qc2 Nc4?? (better is 12...e5+=) 13.Nc4 f6 14.Rab1 f5 15.Bc3 g6 16.Bh8 Ra5 17.Qb2 g5 18.Bg7 Bg7 19.Qg7 Ra6 20.Qg8 Kd7 21.Qg5 Kc7 22.Nh4 Rb6 23.Rb6 f4 24.Qf4 (24.Qf4 Qd7 25.Qf8+–) 1–0. linakip – seba786, kurnik, 2012.

3.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 a6).

3.Nf3 Bb7 4.e3 e6 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 a6).

3.Nf3 Nf6 4.g3 h6 5.Bg2 Bb7 6.d3 e6 7.a3 Nd5 8.Nbd2 Nc6 9.c4 Nf6 10.0–0 Ne7 11.Qc1 d6 12.c5 b5 13.Bc3 Ned5 14.cd6 Qd6? (14...cd6!? 15.Bd4 Rc8=) 15.Bb2 Qd7 16.Re1 Nb6 17.Nb3 Na4? (17...Bd5 18.Na5 Rc8 19.Ne5+/–) 18.Be5?? (18.Bf6 gf6 19.Na5 c5 20.Nb7 Qb7+–) 18...Rc8? (18...Bd5 19.Na5 c5 20.e4+=) 19.Na5 Ba8+= 20.Qb1 Be7 21.Nd2 0–0 22.Ba8 Ra8 23.Qc1 Rfc8 24.Ndb3 Nd5 25.Nc5 Bc5 26.bc5 c6 27.Bd6 Nf6 28.Nb3 Ne8 29.Qf4 Nc3 30.Na5 Nd5 31.Qe5 f6 32.Qb2 Nd6 33.cd6 Qd6 34.Rac1 Qd7 35.e4 Ne7 36.Nb3 Qc7 37.Nc5 e5 38.Qb3 Kh8 39.Qf7 Ng8 40.Qc7 Rc7 41.Ne6 Rcc8 42.d4 ed4 43.Nd4 Ne7 44.Rc5 Kg8 45.Rec1 Kf7 46.Nf5 1–0. linakip – murat27, kurnik, 2011.

3.g3 Bb7 4.Nf3 d6 5.Bg2 e6 6.0–0 Qe7 7.Ba3 Nd7 8.Bb2 Ngf6 9.a3 g5 10.Ng5 Bg2 11.Kg2 h5 12.e3 h4 13.Qf3 0–0–0 (13...d5 14.c4+=) 14.Qa8 Nb8 15.Nc3 hg3 16.fg3 Ng4 17.h4 f6 18.Nf3 Bg7 19.Ne4 f5 20.Bg7 Qg7 21.Neg5 Qf6 22.Nd4 Kd7?? (22...Rde8!?+/–) 23.Nde6 (23.Nge6 Rc8 24.Rf5 Qe7+–) 23...Rc8? 24.Qf3 Nc6 25.e4 Nce5 26.Qf5 Qf5 27.ef5 Nf6 28.d4 Nc4 29.Nf7 Rhf8 30.Nfg5 Ne3?? 31.Kh3+– Nf1 32.Rf1 c5 33.bc5 dc5 34.dc5 bc5 35.Rd1 Kc6 36.Nf8 Rf8 37.Ne6 Rf7 38.g4 Nd5 39.Nd8 Kc7 40.Nf7 Nf4 41.Kg3 Nd5 42.h5 Ne7 43.h6 Ng8 44.h7 Nf6 45.h8Q (45.h8Q Ne4 46.Kf4 Nc3 47.Qd8 Kb7 48.Rd7 Kc6 49.Rd6 Kb5 50.Qb6 Kc4 51.Ne5#) 1–0. wk1234 – kaczapaya, kurnik, 2012.

3.g3 Bb7 4.Nf3 Nf6 5.Bg2 h6 6.c4 g6 7.d3 Bg7 8.Nbd2 0–0 9.0–0 d6 10.e3 Nbd7 11.a4 e5 12.Nb3 h5 (12...Qe7 13.a5=) 13.Rc1 Re8 14.Ng5 (14.Re1 c5=) 14...Bg2 15.Kg2 Ng4 16.h3 (16.Ne4 f5 17.Nc3 c5=) 16...Nh6 (16...Qg5!? 17.hg4 Qg4 18.Qg4 hg4–/+) 17.Ne4= Nf6 18.Nc3 Nf5 19.e4 Nd4 20.Nd4 ed4 21.Ne2 c5 22.bc5 bc5 23.Ba3 Qc8 24.Nf4 Bh6 25.Rb1 Rb8 26.Nd5 Nd5 27.ed5 Rb1 28.Qb1 Qb8 29.Qd1 Bg7 30.Bc1 Qb4 31.Bf4 Qa4?? (better is 31...Be5=) 32.Qa4+– (32.Qa4 Rd8 33.Qa6+–) 1–0. diablo005 – murat27, kurnik, 2012.

3.g3 h6 4.Bg2 g6?? (better is 4...d5=) 5.Ba8 f6 6.Bg2 e6 7.a3 d6 8.c4 c6 9.Nf3 h5 10.Nh4 g5 11.Ng6 f5 (11...Rh6 12.Nf8 Kf8+–) 12.Bh8 Bd7 13.Nf8 e5 14.Ng6 1–0. rryy44 – ksiazesebol, kurnik, 2012.

3.e3 c6

4.a4 e6 5.Nf3 f6 (5...Bb4?? 6.Bg7 d5 7.Bh8+–) 6.Be2 Bb4 7.Nd4 d5 8.Bd3 Ne7 9.Qh5 g6 10.Qh6 (10.Qh4 Qd6 11.Qf6 Rf8=) 10...Kf7 11.0–0 (better is 11.f4!?–/+) 11...e5–+ 12.Nb3 e4 13.Be2 Nf5 14.Qf4 (14.Qh3 h5 15.Bd1–+) 14...Bd6 15.Qg4 Ne3! 16.Qh4 (16.de3 Bg4 Discovered attack; 16.fe3 Bg4 Discovered attack) 16...Nf1 17.Bf1 Nd7 18.Nd4 Ne5 19.Ne2 (19.a5 Kg7 20.h3 b5–+) 19...f5 20.Qd8 (20.Qh6 Qf6 21.Kh1 g5–+) 20...Rd8 21.d4 (21.Nc1 c5–+) 21...ed3 22.cd3 Nd3 23.Bd4 c5 24.Be3 d4 (24...f4 25.Bd2–+) 25.Bg5 Be7 26.Be7 Ke7 27.Nd2 Bb7 28.Ng3 Bc6 (better is 28...Nb4–+) 29.Bd3 Kf6 30.h4 b5 31.ab5 (31.Rc1 c4 32.Nc4 bc4 33.Rc4–+) 31...ab5 32.Rb1 c4 33.Be2 (33.Bc4 bc4 34.Rb6 Rdc8 35.Nc4 d3–+) 33...Ra2 34.Ngf1 c3 35.Nf3 (35.Bb5 Bb5 36.Rb5 cd2 37.Rb1–+) 35...Re2 36.Ng5 h6 37.Nh3 g5 38.hg5 hg5 39.f3 (39.Rc1 b4 40.Ng3 d3–+) 39...d3 40.Nf2 d2 41.Ng3 Re1 42.Re1 de1Q (42...de1Q 43.Nf1 c2 44.Ne4 fe4 45.f4 e3 46.fg5 Kg5 47.Kh2 Rh8 48.Kg1 Qf2) 0–1. wojtekkk – fawq, kurnik, 2011.

4.d3 d6 5.Be2 e5 6.Bf3 f5 7.a3 Nf6 8.Bh5 g6 9.Be2 Bg7 10.Nf3 Qe7 11.Ng5 d5 Black prepares e4 12.Nf3 Nbd7 13.Nbd2 e4 14.Nd4 Bb7 15.0–0 0–0 16.Re1 Ne5 17.Nf1 Rad8 18.Ng3 c5 19.bc5 bc5 20.Nb3 ed3 21.Bd3 Nd3 22.cd3 (22.Qd3? c4 23.Qd1 cb3 24.cb3 Qd6–+) 22...Rc8 23.Na5 Ba8 24.Bf6 Bf6 25.Rb1? (25.d4 c4 26.Rc1 f4 27.ef4 Qa3–/+) 25...Qc7 (better is 25...Bc3 26.Nb3 Be1 27.Qe1 c4 28.dc4 dc4–+) 26.Nb3–/+ Qc6 27.h3 d4 28.e4 fe4 29.Ne4 Exerts pressure on the backward pawn (worse is 29.de4 Rfd8–/+) 29...c4 (better is 29...Be7=) 30.Nf6?? (better is 30.Na5 Qd7 31.Nc4 (worse is 31.dc4 Bh4 32.g3 Rce8–/+) 31...Be4 32.Re4+/–) 30...Qf6–+ 31.dc4?? (31.f3 cb3 32.Qb3 Kg7 33.Qb6–+) 31...Qf2 32.Kh1 Qg2 0–1. wojtekkk – fawq, kurnik, 2011.

4.Be2 d6 5.Bf3 e5 6.d3 f5 7.Bh5 g6 8.Bf3 Nf6 9.g3 Bg7 10.Ne2 Qe7 11.0–0 d5 Black intends e4 12.a3 0–0 13.Nd2 e4 14.Bg2 Nbd7 15.Nf4 Ne5 16.de4 fe4 17.Be5 Qe5 18.Rb1 Bg4 19.Qc1 Rad8 20.Nb3 Bf3?? 21.Nd4 Bg2–/+ 22.Kg2 Rd6 23.c4 g5?? 24.Nfe2 c5+= 25.bc5 bc5 26.Nb3 d4 27.ed4= cd4 28.Nbd4 Rd4 29.Nd4 Qd4 30.Rd1 Qe5 31.c5 Qf5 32.Qe3 Ng4–+ 33.Qe2 Nf2 34.Rf1? Qh3 35.Kg1–/+ Ng4 36.Rf8 Bf8 37.Qg2?? Bc5–+ 38.Kh1 Nf2 39.Kg1 Qc8 40.Kf1 a5 41.Rc1 Qa6 42.Ke1 Nd3 43.Kd2 Nc1 44.Kc1 Qd3 45.Qa2 Kg7 46.Qe6 Ba3 0–1. wojtekkk – fawq, kurnik, 2011.

4.Be2 d6 5.Bf3 e6 6.Ne2 f6 7.Bh5 g6 8.Bf3 h6 9.Ng3 Ne7? (9...d5 10.a3=) 10.d3 (better is 10.Bf6!? Rg8 11.a4+/–) 10...Bg7 11.a4 Nd7 12.0–0 Bb7 13.Ne4 d5 14.Nd6 Kf8 15.Nb7 Qc7 16.Nd6 Qd6 17.Ba3 Qc7 18.Nd2 Kf7 19.e4 de4 20.Ne4 Ne5 21.b5 ab5 22.ab5 c5 23.Ng5?? hg5–+ 24.Ba8 Ra8 25.h3 Rd8 26.Bb2 Nf5 27.Be5 fe5 28.Qf3= e4 29.de4 Ba1 30.Ra1 Qf4 31.ef5 Qf3 32.fe6 Ke6 33.gf3 Kd5?? 34.Ra6 Rd6+= 35.Kf1 Kc4 36.Ra2 Kb5 37.Kg2 Kc4 38.Kg3 Rd4 39.Ra3 Rd2 40.c3 b5 41.Kg4 Rf2 42.Kg5 Rc2 43.Kg6 Rc3 44.Ra1 Rf3 45.h4 Rh3 46.h5 b4 47.Rc1 Kb5 48.h6 c4 49.Kg7 b3 50.h7 b2 51.Rd1 c3 52.h8Q Rh8 53.Kh8 c2 54.Rd5 Kc4 55.Rd8 b1Q 56.Rc8 Kd5 57.Rd8 Ke6 58.Re8 Kd7 59.Rg8 c1Q 60.Rg7 Ke6 61.Rg6 Ke5 62.Rg7 Qh6 63.Kg8 Qg7! 64.Kg7 Qb6 65.Kf7 Qe6 66.Kf8 Qd7 67.Kg8 Kf6 68.Kf8 Qf7 0–1. wojtekkk (1645) – sb01lzr, kurnik, 2011.

4.Nf3 d6 5.Be2 e6 6.0–0 f6 7.c4 g6 8.Ng5 Bg7 9.f4 Nh6 10.Bg4?? (better is 10.Nf3+=) 10...Qe7–+ (10...Ng4?! 11.Qg4 0–0 12.Ne6–/+) 11.Ne4 0–0?? (better is 11...Ng4 12.Qg4 f5 13.Bg7 Qg7 14.Nd6 Kd7–/+) 12.Bf3= d5 13.cd5 cd5 14.Ng3 f5 15.Bg7 Qg7 16.Nc3 Qe7? 17.a3?? Nd7?? 18.d3?? Bb7+= 19.e4 de4 20.de4 Nf6 21.ef5 Bf3 22.Rf3 ef5 23.Nd5 Nd5 24.Qd5 Qf7 25.Rd1 Qd5 26.Rd5 Ng4 27.Rfd3 Rac8 28.Rd7 Rc1 29.Nf1 Rfc8 30.h3 Nf6 31.Rb7 Ne4 32.Rdd7 Ra1 33.Rh7 Rcc1= 34.Rhg7 Kf8 35.Rg6?? Rf1 36.Kh2 Rh1 0–1. elsh1403 – sb01lzr, kurnik, 2011.

4.f4 d6 5.Nf3 e6 6.c4 f6 7.Nc3 g6 8.Be2 h6 9.0–0 Ne7 (9...Bg7 10.c5!+/–) 10.Nd4 (better is 10.Ne4!? Bg7 11.Bf6+– (11.Nf6?! Kf7=)) 10...Bg7+= 11.c5 bc5 (11...bc5 12.bc5 Combination; 11...dc5 12.bc5 Combination) 12.bc5 dc5 13.Nf3 Nd7 14.Rb1 0–0 15.Ba3 Nd5 16.Nd5 (16.Na4!?+=) 16...cd5= 17.d4 c4 (better is 17...Qa5!? 18.Qc1 Rf7=) 18.Bf8+= Qf8 19.Qa4 Qd6 20.Qb4 (20.Nh4 Nf8+=) 20...Qc7 (better is 20...Qb4!? 21.Rb4 Kf7=) 21.Qe7+= Qc6 22.Nh4 Bf8 23.Qd8 Bb7 24.Qa5 Kg7 25.g4 g5 26.fg5 hg5 27.Nf3 Bd6 28.Rb2 Rh8 29.Rfb1 Ba8 30.Kg2 e5 31.Bd1 e4–/+ 32.Ng5? fg5–+ 33.Ba4 Rh2 34.Kg1 Rb2 35.Bc6 Rb1 36.Kf2 Bc6 37.Qa6 Rb6 38.Qc8 c3 39.Qd8 c2 40.Qg5 Kf7 41.Qf5 Ke8 42.Qg6 Kd8 43.Qd6 c1Q 44.g5 Rb2 (44...Rb2 45.Kg3 Qg1 46.Kh3 Rg2 47.Qf6 Nf6 48.gf6 Rh2#; 44...Rb1 45.Qe7 Ke7 46.Kg3 Qe3 47.Kh4 Rh1 48.Kg4 Qf3#) 0–1. wybitnytalent (1605) – sb01lzr, kurnik, 2011.

2.Bb2 c5

3.bc5+= Nc6 4.d4 e6 5.Nd2 Be7? (5...b6 6.cb6 Qb6 7.Rb1+=) 6.e4 (6.d5 ed5 7.Bg7 Bf6 8.Bh8 Bh8+–) 6...Nf6 7.Ngf3 d6? (better is 7...b5+/–) 8.cd6+– Bf8 9.e5 Nd5 10.Bd3 f6 11.0–0 f5 12.c4 Nb6 13.Qb3 g5 14.d5 Na5 15.Qb4 g4 16.Ne1 Nc6 17.dc6 bc6 18.Bd4 Nd7 19.c5 Qg5 20.g3 h5 21.Be3 Qg6 22.Ng2 Bh6 23.Qd4 Bg5 24.Bg5 Qg5 25.Qf4 Qg7 26.f3 Nf8 27.fg4 hg4 28.Nh4 Bd7 29.Rab1 Ng6 30.Ng6 Qg6 31.Rb7 Qh5 32.Rf2 Bc8 33.Rg7 Rb8 34.Nb3 a5 35.Rg5 Qh7 36.Rg4 fg4 37.Bh7 (37.Bh7 Rh7 38.Qf8 Kd7 39.Rf7 Rf7 40.Qf7 Kd8 41.Qe7) 1–0. bratek55 – wehnstein (1605), kurnik, 2011.

3.bc5 Nc6 4.d4 e6 5.e4 d6 6.cd6 Bd6 7.c3 Nge7 8.Nd2 0–0 9.e5 Bc7 10.f4 f6 11.Ngf3 fe5 12.fe5 b5 13.Bd3 Bb7? (13...Be5 14.a4 ba4 15.Qc2+/– (worse is 15.de5 Qd3 16.Qe2 Qe2 17.Ke2 Ng6+=; 15.Ne5?! Ne5 16.Bh7 Kh7 17.Qh5 Kg8 18.Qe5 Ng6+/–)) 14.0–0?? (better is 14.Ng5 g6 15.Ne6 Ne5 16.Bf1+– (16.Nd8?! Nd3 17.Ke2 Nf4 18.Kf2 Ng2 19.Nf3 Bf3 20.Qf3 Rf3 21.Kf3 Nh4 22.Kg4 Rd8 23.Kh4 Rf8+=; 16.de5?! Qd3 17.Nc7 Rac8 18.Qb3 Kh8+–)) 14...Nf5 15.Qe2 Nce7 (15...Bb6 16.Rab1+/–) 16.Ne4 Nd5 17.Nc5 Bc8 18.Bf5 Rf5 19.Nd2 Rf1 20.Rf1 Qe7 21.Nde4 Bd7 22.Ba3 b4 23.cb4 Bb6? 24.Nd6 Nc3? 25.Qd2 Nb5 26.Bb2 Nd6 27.ed6 Qd6 28.a3 Bb5 29.Re1 Re8 30.Qg5 Qd5 31.Qd5+– ed5 32.Re8 Be8 33.Na6 Bb5 34.Nc5 Bc5 35.dc5 Kf7 36.Kf2 g6 37.Ke3 Ke6 38.Kd4 Bc6 39.Bc1 Bb5 40.Bf4 Bc6 41.h3 Bb5 42.g4 Bc6 43.Bh6 Bb5 44.Bg7 Bc6 45.Kc3 Bb5 46.Bh8 Bc6 47.Kb3 Bb5 48.a4 Bc4 49.Kc3 Bf1 50.b5 Kd7 51.h4 Bc4 52.Kd4 Kc7 53.Be5 Kb7 54.g5 1–0. amator111 (1675) – wehnstein (1745), kurnik, 2011.

3.bc5+= Nf6 4.d4 Nc6 5.Nf3 d5 6.e3 g6 (6...b6!?+=) 7.Nbd2 Bg7 8.Bd3 0–0 9.0–0 Re8 10.c4 Nb4 11.Be2 dc4 12.Bc4 b5 13.Be2 Bb7 14.a3 Nbd5 15.Ne5 Nd7? (15...Qc7 16.Rc1+–) 16.Ndf3 (16.c6 Be5 17.cb7 (17.de5?! Bc6 18.Rc1 Rc8+=; 17.cd7?! Bh2 18.Kh2 Qd7+–) 17...Bh2 18.Kh2 Qc7 19.f4+–) 16...Ne5+/– 17.Ne5 Be5 18.de5 Qc7 19.Rc1 Rad8 20.Qc2 e6 21.Bf3 Qc6 22.Bd4 Rc8 23.h4 Qc7 24.h5 Bc6 25.hg6 hg6 26.Be4 Kg7 27.Qe2 Rh8 28.Qf3 Qe7 29.Bd5 Bd5 30.Qf6 Qf6 31.ef6 Kf8 32.f3 Rh5 33.e4 Bc4 34.Rfd1 e5 35.Be3 Ke8 36.Rd6 1–0. bratek55 (1640) – anyrteb (1610), kurnik, 2011.

3.Nf3 cb4 4.d3 d6 5.Nbd2 e5 6.g3 Nc6 7.Bg2 a5 8.0–0 Bd7 9.c3 Qc8 10.Qb3 bc3 11.Bc3 d5 12.a3 Be6 13.Qb2 d4 14.Bd4 Nd4 15.Nd4 ed4 16.Rac1 Qd7 17.Nc4 Rc8 18.Nb6 Qd6?? 19.Nc8+– Qd7 20.Nb6 Qd6 21.Nc4 Qd7 22.Na5 Bh3 23.Nb7 Qg4 24.Rc8! Kf7 25.Qb3 Kg6 26.Be4 f5 27.Qb6 Kg5 Black plans f4 28.Bf3 Qf3 29.ef3 f4 30.Qb5 Kh6 31.Qc6 g6 32.g4 Bf1 33.Kf1 Ne7 34.g5! Kg5 35.Qc5 Kh6 36.Rf8! Rf8 37.Qe7 Rf5 38.Qe6 Rb5 39.Nc5! Rb1 40.Kg2 Ra1 41.Qg4 Ra3 42.Qf4 Kg7 43.Qd4 Kh6 44.Ne6 Ra8 45.Qg7 Kh5 46.Qh7# 1–0. linakip – banjoman, kurnik, 2011.

2.Bb2 Nc6

3.a3 a5 4.b5+= Na7 5.c4 b6 6.e3 Bb7 7.Nf3 d5 8.cd5 Bd5 9.Nc3 e6 10.Be2 Nf6 11.0–0 Ne4 12.Ne4 Be4 13.Nd4 Qd5 14.f3 Bg6 15.Rc1 Bc5 16.Bc4 Qh5 17.g4 Qh4 18.Be6?? (18.f4!?+=) 18...fe6 (better is 18...Bd4!? 19.Bf7 Bf7 (19...Kf7 20.Rc7 Ke8 21.Bd4 Nb5 22.Qa4+/–) 20.Bd4 0–0–+ (20...Nb5?! 21.Bg7 Rg8 22.Qa4=)) 19.Ne6+= Bd6 20.Ng7 Kf7 (better is 20...Kd7 21.Rf2 Rhg8= (worse is 21...Nb5 22.Qb3 c6 23.Nf5+/–)) 21.Qb3+= Kf8 22.Ne6 Ke7 23.Rf2 Rhc8 24.g5 Bf7 25.Bf6 Kd7 26.Nc5 bc5?? 27.Qf7 Be7 28.Qe7# 1–0. olawoj – ryszardls1950, kurnik, 2012.

3.a3 Na7 4.d3 Nb5 (4...d6 5.e4=) 5.Nd2 b6 6.c4 Na7 7.g3 Bb7 8.Ngf3 g5?? (8...c5 9.Bg2+=) 9.h3 (better is 9.Bh8 g4 10.Bg2 gf3 11.Nf3+–) 9...f6+/– 10.Bg2 Bg7 11.0–0 e6 (11...e5 12.Rc1+/–) 12.e4 (12.Ng5!? Bg2 13.Kg2+/–) 12...Qe7+/– 13.d4 f5 (better is 13...Nh6!?+/–) 14.ef5+– 0–0–0 15.f6 (better is 15.fe6!? de6 16.Qe2+–) 15...Bf6 16.Ne5 Be5 17.de5 d5?? (17...Bg2 18.Kg2 Kb7 19.c5+/–) 18.c5 (better is 18.ed6 Qd6 19.Bb7 Kb7 20.Bh8 Qd2 21.Qf3 Nc6 22.Rad1+–) 18...b5 (18...bc5!? 19.bc5 Qc5+/–) 19.Nf3 c6 20.Qd2 h6 21.a4 Kb8 22.ab5 Nb5 23.Nd4 Nd4 24.Bd4 Qh7 25.b5 cb5? 26.Rfb1 Ne7+= 27.Qc3 Nc6 28.Ra2?? Kc7 29.Rba1 Ra8 30.Be3 Qf5 31.Qc2? Qc2–+ 32.Rc2 Ne5 33.h4 Nc4 34.hg5 hg5 35.Bg5 Kc6 36.Re2 Rae8 37.Bf6 Rh5 38.Bd4 e5 39.Bc3? e4 40.Bb4 Ra8 41.Rd1 Bc8 42.f3?? e3 43.f4? Bg4 44.Rd5 Rd5 45.Bd5 Kd5 46.Rd2 ed2 47.Bd2 Nd2 48.f5 Bf5 49.Kf2 Ke4 50.Ke2 Nc4 51.g4 Bg4 52.Kf2 Bd7 53.Ke2 Bc6 54.Kd1 Kd4 55.Kc2 a5 56.Kb3 a4 57.Ka2 Kc3 58.Ka1 a3 59.Ka2 Kb4 60.Ka1 Kb3 Black intends a2 61.Kb1 a2 62.Ka1 b4 (62...Be4 63.c6 Ne3 64.c7 Nc2#). golfx – huno, kurnik, 2011. (=1.a3 a6 2.b4 Nc6 3.Bb2)

3.a3 b6 4.e3 Bb7 5.Nf3 e6 6.c4 Nf6 7.Be2 Be7 8.0–0 0–0 9.d4 d5 10.b5 (10.c5 Nb8+=) 10...ab5 11.cb5 Na5 12.Nbd2 c5 13.bc6 Nc6 14.h3 Ba6 15.Ba6 Ra6 16.Qc2 Na5 (16...Qa8 17.Rfc1 Rc8 18.Ne5+=) 17.Rfc1 b5 18.Bc3 Nc4 Increasing the pressure on the isolated pawn on a3 19.Bb4 (19.Nc4 bc4 20.Bb4 Qc7+=) 19...Na3–/+ 20.Ba3 Ba3 21.Rcb1 b4 (21...Ra5 22.Qd3 b4 23.Ne5–/+) 22.Nb3 (better is 22.Rb4! Qa8 23.Qd3 Bb4 24.Qa6=) 22...Ne4 23.Nc5 Nc5 24.Qc5 Qc8 (better is 24...Ra5!? 25.Qc2 Qc8–/+) 25.Qc8= Rc8 26.Rb4 Bb4 27.Ra6 h6 28.g3 Be7 29.Kg2 Bf6 30.Ra7 h5 31.h4 g6 32.Rd7 Ra8 33.Nd2 Ra2 34.Nb3 g5 35.hg5 Bg5 36.Kf3 h4 37.g4?? (better is 37.Nc1 Rc2 38.gh4 Bh4 39.Ne2=) 37...h3–+ 38.Kg3 h2! 39.Kh2 Rf2 40.Kg3 Be3 41.Nc5 Rc2 42.Rd8 Kg7 43.Rd7 Kg6 44.Rd6 Bd4 45.Ne6 Be5 (45...Be5 46.Nf4 Kg5 47.Rd5 Rc3 48.Kf2 Kf4–+) 0–1. emeryt85 – asparuhov71 (1610), kurnik, 2011.

3.a3 Nd4?? 4.Bd4+– b5 5.Nc3 c6 6.Nf3 Bb7 7.e4 Nh6 8.Bd3 Ng4 9.0–0 g5 10.Bh8 Bh6 (10...e6 11.Nd4 Nh6 12.Qh5+–; 10...Qc7+–) 11.Nd4 Rc8 (11...Nf6 12.e5 Nd5 13.Qh5+–) 12.Qg4 Qb6 13.Nf5 Rc7 14.Nh6 c5 15.Nf5 Bc6 16.Nd6! Kf8 (16...ed6 17.bc5 Double attack (17.bc5 Decoy)) 17.Qg5 cb4 (17...ed6 18.Qd8) 18.Qg7# 1–0. usingprogram – maeoy123, internet, 2011.

3.a3 d6 4.Nc3 e5 5.e3 Nf6 6.h3 Be6 7.Nf3 h6 8.Be2 Be7 9.b5 ab5 10.Nb5 0–0 11.Rb1 Bd7 12.c4 Na7 13.Na7 Ra7 14.0–0 Qe8 15.d4 ed4 16.Qd4 c5 17.Qc3 b5 18.cb5 Bb5 19.Bb5 Qb5 20.Nh4 Qb6 21.Nf5+= Bd8? 22.Rfd1 Rd7 23.e4+– Qc6 24.e5 de5+/– 25.Rd7 Qd7 26.Qe5+/– Re8 27.Qc5 Qd3 28.Bf6?? Qb1–+ 29.Kh2 Bf6 30.Qa5 Re5 31.Qa8 Kh7 32.Ne3 Rg5 33.a4 Be5 34.g3 Qb2 35.Kg2 Rg3 36.Kf1 Rh3 37.Qe4 g6 38.Nc4 Qc1 39.Kg2 Qh1# 0–1. aleksandras19 – lupi1957, kurnik, 2012.

3.a3 d6 4.e3 e5 5.Nf3 Be7 6.d4 e4 7.Nfd2 d5 8.c4 Bf6 9.cd5 Qd5 10.Bc4 Qf5 11.0–0 Nh6 12.f3 ef3 13.Rf3 Qg6 14.e4 0–0 15.e5 Bg5 16.Qf1 b5 17.Bd5 Bb7 18.e6 fe6 19.Rf8 Rf8 20.Be6 Qe6 21.Qd3 Qe1 22.Nf1 Ng4 23.Nc3 Be3 24.Qe3 Qe3 25.Ne3 Ne3 26.d5 Nd4 27.Ne4 Ne2 28.Kh1 Bd5 29.Nc5 Bg2 0–1. j1a9n55 – agi0057, kurnik, 2012.

3.a3 d6 4.Nf3 e5 5.d4 e4 6.d5 Nce7 7.Nfd2 f5 8.c4 c6 9.f3 cd5 10.fe4 de4 11.e3 Nc6 12.Be2 Be7 13.Bg7 Bh4 14.g3 Bf6 15.Bf6 Nf6 16.0–0 h5 17.Nc3 Ng4 18.Nd5 Ne3 19.Qe1 Nc2 20.Qf2 e3 21.Qf4 Na1 22.Ra1 ed2 23.Qd2 Ne5 24.Re1 h4 25.Qf4 hg3 26.Qg3 Be6 27.Qg6 Bf7 28.Nf6 Ke7 29.Nd5 Kf8 30.Qh6 Rh6 0–1. aniabielak – tl27, kurnik, 2012.

3.a3 d6 4.g3 e5+= 5.Bg2 Bd7 6.Nf3= Nh6 (6...e4 7.Nd4 Nf6 8.0–0=) 7.d3 (7.d4 e4 8.Nfd2 e3 9.fe3 Ng4=) 7...Be7 8.Nbd2 (8.0–0 0–0=) 8...0–0 9.0–0 Rc8 (9...Re8 10.c4=) 10.c4 (10.d4 ed4 11.Nd4 Bf6 12.Nc6 Bc6 13.Bf6 Qf6 14.Bc6 bc6=) 10...Be6 (10...Nf5 11.e4 Nfd4 12.Nd4 Nd4 13.f4=) 11.Ne4 (11.Re1 Nf5=) 11...f6 (11...f5 12.Nc3=) 12.Rc1 White plans c5 (12.Nc3 Nf7+=) 12...Na7 (12...d5 13.cd5 Bd5 14.Nc5 Bc5 15.Rc5+=) 13.c5 (13.Qd2 c5=) 13...Bf5 (13...Nc6 14.Qc2=) 14.Nh4 (14.cd6 cd6 15.Qb3 Nf7 16.Rc8 Nc8+=) 14...Bg4 (14...Be6 15.cd6 cd6 16.Nc3=) 15.h3 (15.Qb3 Kh8 16.cd6 cd6 17.Rc8 Qc8=) 15...Bd7 (15...Be6 16.Nf3=) 16.Kh2 (16.Qb3!? Nf7 17.Nf3+=) 16...Be6 (16...f5 17.Nd2 Bh4 18.Bd5 Nf7 19.gh4=) 17.f4 (17.f4 ef4 18.gf4+= (worse is 18.Rf4 g5–/+); 17.cd6!? cd6 18.Nc3=). cocohubert (1760) – Rickytan (1730), internet, 2007.

3.a3 f6 4.e3 e6 5.b5 ab5 6.Bb5 Na5 7.Bd3 b6 8.Qh5 Ke7 9.Qe2 g6 10.Nf3 Bg7 11.0–0 Bb7 12.Bc3 Qc8 13.Ba5 Ba6?? (better is 13...Ra5 14.Qd1 f5=) 14.Bb4 d6 (14...c5 15.Ba6 Qa6 16.Qa6 Ra6 17.Bc3+–) 15.Bc3 Bd3 16.cd3 Nh6 17.h3 Qg8 18.a4 f5 19.Ng5 Bc3 20.Nc3 c6 21.Rfb1 Qb8 22.a5! b5 23.e4 Nf7 24.Nf3 g5 25.ef5 Kf8 26.fe6 Ne5 27.Ng5 h6 28.Nf7! Rh7 29.d4 Nf7 30.ef7 Rf7 31.Ne4 d5 32.Nc5 White plans a6 32...Qc7 33.Ne6 Kg8 34.Nc7 Rc7 35.Qe6 Kh7 36.a6 Rcc8 37.a7 Re8 38.Qc6 Rec8 39.Qb5 Kg6 40.Qd5 h5 41.Qe6 Kh7 42.d5 Rc2 43.Qe4 Kh6 44.Qc2 (44.Qc2 Kg5 45.h4 Kf6 46.Qc6 Kf7 47.Rb7 Kf8 48.Qf6 Ke8 49.Qe7#; 44.Ra6 Rc6 45.Rc6 Kg7 46.Qe7 Kg8 47.Rb8 Rb8 48.ab8Q#) 1–0. ariank – bacus1231, kurnik, 2011.

3.a3 f6 4.e4 Nh6 5.d4 g5 (5...e5 6.d5 Ne7 7.Nf3+=) 6.d5+/– Na7 7.Qh5 Nf7 8.e5 (8.Nf3 h6+/–) 8...fe5 (better is 8...Bg7+/–) 9.Be5+– d6 (9...Rg8 10.Qh7 Nh6+–) 10.Bh8 Nb5 (10...Bf5 11.Nf3 Bg6 12.Qh3+–) 11.c4 Nd4 (11...Bf5 12.cb5 Bg6 13.Qf3 Nh8 14.Qc3+–) 12.Bd4 b6 (12...e5 13.de6 Be6 14.Qh7+–) 13.Qh7 g4 (13...e5 14.de6 Be6 15.Qe4+–) 14.Nc3 Ng5 (14...Qd7 15.Ra2+–) 15.Qg6 Kd7 16.Qg5 Rb8 17.Qg4 e6 18.Qe6 1–0. pcmvr (2530) – jac, net–chess.com, 2006.

3.a3 h5 4.Nf3 h4 5.h3 Nh6 6.d3 Nf5 7.Nbd2 d5 8.c4 d4 9.Ne4 f6 10.Qc2 e5 11.Ned2 Be6 12.0–0–0 Qd7 13.Nb3 b6 14.Kb1 a5 15.b5 Nd8 16.a4 Nb7 17.Qc1 Nc5 18.Nc5 Bc5 19.Ba3 Qd6 20.Ka2 c6 21.Nd2 Ba3 22.Qa3 Qa3 23.Ka3 c5 24.Ne4 Ke7 25.Re1 Rad8 26.e3 g5 27.f4?? gf4 28.ed4? Rd4 29.Rd1 Ne3 30.Rd2 Nc4! 31.dc4 Re4 32.Rc2 Rg8 33.Bd3 Rg3 34.Kb2 Rd3 35.Rhc1 Rdd4 36.Kb3 Rc4! 37.Rc4 Rc4 38.Rc4 Kd6 39.Kc3 Bc4 40.Kc4 e4 41.Kc3 f5 42.Kd2 Ke5 43.Ke2 Kd4 44.Kd2 Kc4 45.Ke2 Kb4 46.Kf2 Ka4 47.g3 fg3 (47...fg3 48.Ke3 c4–+) 0–1. linakip – lominel, kurnik, 2012.

3.a3 h6 4.c4 b5 (4...e5 5.e3=) 5.c5 (better is 5.e4!? bc4 6.Bc4+=) 5...e5= 6.e3 Nf6 7.Nf3 Qe7 8.Be2 Bb7 9.0–0 0–0–0 (9...d6!? 10.cd6 Qd6=) 10.d4 ed4 11.Nd4 Nd4 12.ed4 Qe4 13.Bf3 Qg6 14.Bb7 Kb7 15.Qf3 c6 16.Nd2 d6 17.Nb3 (17.a4 Nd5+/–) 17...d5 (17...Qe4 18.Qh3+=) 18.Na5 Kc7 19.Bc1 Ne4 20.Bf4 Kd7 21.Qh3 f5 22.f3 Nc3 23.Rae1 Be7? (23...Re8 24.Re8 Ke8 25.Re1 Kd7 26.Bd2+–) 24.Nb7?? (better is 24.Nc6 Qc6 25.Qf5 Ke8 26.Re6 Ne2 27.Re2+–) 24...Rde8+= 25.Bd6 Bd6 (25...Kc8 26.Be7 (worse is 26.Re7 Re7 27.Be7 Ne2 28.Kh1 Kb7=) 26...Kb7 27.Re5+=) 26.Nd6+/– Re1 27.Re1+– Qf6 28.Nf5 Kc7 29.Qg3 Kb7 30.Nd6 Ka7 31.Qe5 Qe5 32.Re5 Nb1 33.Re7 Kb8 34.Rb7 Ka8 35.Rb6 Ka7 36.Rc6 Na3 37.Rc7 Kb8 38.Rg7 Nc2 39.Nf5 Nb4 40.Ne7 Re8 41.Nd5?? Nd5+= 42.Rg6 Kb7 43.Rh6 a5 44.Kf2 a4 45.Rh7 Kc6 46.Ra7? Nc3 47.Ra6 Kd5 48.c6 b4 49.c7 a3 50.Rb6 Rc8 51.Rb4 Rc7 52.Rb3 a2 53.Ra3 Kd4 54.g4 Re7 55.h4 Re2 56.Kg3 Nb1 57.Ra2 Ra2 58.h5 Ra3 (58...Ra3 59.g5 Ke5–+) 0–1. olawoj – ryszardls1950, kurnik, 2012.

3.a3 Nh6 4.e3 (4.Nf3 d6=) 4...d5 5.Nf3 Bg4 (5...Bf5 6.b5 Nb8 7.Nc3=) 6.Be2 f6 (6...f6 7.0–0 e5=; 6...Qd6 7.d4=). makaveli1982 – DARKMAN, internet, 2007.

3.c3 d5 4.a4 Bf5 5.e3 e6 6.Nf3 h6 7.d4 Bd6 8.Bd3 Bh7 9.0–0 Nf6 10.Bh7 Rh7 11.Nbd2 g5 12.h3 Ne7 13.Re1 c6 14.e4 de4 15.Ne4 Ne4 16.Re4 Nf5 17.g4 Ne7 18.Bc1 Nd5 19.Qd3 Rg7 20.Ne5 Be5 21.de5 Qc7 22.Rb1 Rd8 23.Qc4 Nf4 24.Rf4 gf4 25.Qf4 Rg5 26.h4 Re5–+ 27.Qf6 Re1 28.Kg2 Rdd1 29.Qh8 Ke7 30.Qh6 c5 31.Bg5+= Kd7 32.Rd1 Rd1 33.Qg7 Qc6 34.f3 cb4 35.Qf7 Kc8 36.Qf8 Kc7 37.Qb4 Rd3 38.Bf4 Kd7 39.Qe4 Qe4 40.fe4 Rc3 41.Kf2 Rc4+= 42.a5 Ra4 43.Bd2 Re4 44.Kf3 Re5 45.h5 Rg5?? 46.Bg5+– Ke8 47.Kf4 Kf7 48.Ke5 Ke8 49.Ke6 Kf8 50.Bf6 (50.Bf6 b6 51.ab6 Kg8 52.b7 Kh7 53.b8Q a5 54.Qh8#) 1–0. olawoj – shakisti, kurnik, 2012.

3.c3 e5 4.a4 d6 5.b5 ab5 6.ab5 Ra1 7.Ba1 Na5 8.e3 b6 9.c4 Bb7 10.Nf3 Bf3 (10...e4!? 11.Nd4 Nf6=) 11.Qf3+= Nc4?? (better is 11...Nf6+=) 12.Bc4+– Nf6 13.Qc6 Nd7 (13...Qd7 14.Qa8 Ke7 15.f4 ef4 16.Bf6 Kf6 17.0–0+– (worse is 17.ef4 d5 18.Bd5 Qb5 19.Qa1 Ke7 20.Qe5 Kd8 21.Bf7 Qe5 22.fe5 Bc5+–)) 14.Qd5 Qf6 (14...Qh4 15.Qf7 Kd8 16.d4+–) 15.0–0 (15.Qa8 Qd8 16.Bf7 Ke7+–) 15...g6 (15...Ke7 16.Nc3 Qh4 17.Qc6+–) 16.d4 (16.f4 Qg7 17.Qa8 Ke7+–) 16...Bg7 17.de5 Ne5 (17...de5 18.Rd1 Qe7 19.Qc6+–) 18.f4 0–0 (18...Qe6 19.Qa8 Ke7 20.Qh8 (20.fe5?! Ra8 21.Be6 Ke6+/–) 20...Bh8 21.Be6 Ke6 22.fe5 Be5 23.Be5 de5 24.Rc1+–) 19.fe5 Qe7 20.Nd2 (20.ed6 cd6 21.Bd4 Bd4 22.Qd4 Qe5+–) 20...de5 (20...Be5 21.Be5 Qe5 22.Ne4+–) 21.e4 Rd8 22.Qf7 Qf7 23.Bf7 Kh8 24.Nf3 Rf8 25.Ne5 Rd8 26.Nc6 Rd2 27.Bg7 Kg7 28.Bd5 Rb2 29.Rf7 Kh6 30.Rc7 Rb5 31.Bg8 Rb1 32.Kf2 Rb2 33.Kf3 Kg5 34.Rh7 Rb3 35.Ke2 Rb2 36.Kd3 Rg2 37.h4 Kg4 38.Be6 Kg3 39.h5 Ra2 40.hg6 Ra3 41.Kc4 Ra4 42.Kb5 Re4 43.g7 Re6 44.g8Q (44.g8Q Kf3 45.Qe6 Kf4 46.Qf6 Ke3 47.Rh3 Kd2 48.Qf2 Kd1 49.Rh1#) 1–0. olawoj – claricematone, kurnik, 2012.

3.c3 e6 4.a4 Nf6 5.b5 ab5 6.ab5 Ra1 7.Ba1 Na5 8.Qa4 b6 9.e3 Bd6 10.Nf3 0–0 11.Be2 Ne4?? (11...Bb7 12.Bb2=) 12.d3?? (better is 12.Qe4 Bb7 13.Qc2+–) 12...Nc5= 13.Qc2 Ncb3 14.Bb2 Bb7 15.0–0 c6 16.bc6 dc6 17.Ba3 c5 18.c4 Bc7 19.Nbd2 Re8?? 20.Nb3+– Qd6 21.g3 e5 22.Na5 ba5 23.Bb2 e4 24.de4 Be4 25.Qc3 f6 26.Rd1 Qe6 27.Kg2 Qf5 28.Ba3 h5 29.Qd2 h4 30.Qd7 Bf3 31.Bf3 h3 32.Kg1 Qf3+= 33.Qe8?? Kh7–+ 34.Kf1 Qd1# 0–1. olawoj – ryszardls1950, kurnik, 2012.

3.c3 e6 4.Nf3 Nf6 5.d4 Be7 6.Nbd2 d5 7.e3 0–0 8.Bd3 Qd6 9.0–0 b5 10.Qc2 a5 11.a3 a4? 12.Bb5+– Ba6 13.Ba6 Ra6 14.b5 Rb6 15.bc6 Qc6 16.c4 Qb7 17.Bc3 (17…Qa8 18.Rfb1+–) 1–0. Wall,Bill – Zamadarovski, internet, 2000.

3.c3 Nf6 4.Na3 b5 5.Nc2 Bb7 6.a4 ba4 7.Ra4 e6 8.e3 Be7 9.Nf3 0–0 10.h4 h6 11.Be2 Nh7 12.g4 (12.Qa1 Qc8+=) 12...e5 13.g5 h5 14.Rg1 g6 15.d4 ed4 16.Nfd4 Nd4 17.ed4 (worse is 17.cd4 d5=; 17.Nd4 c5 18.Nb3 Bc6+/–) 17...Qc8 18.c4 Bc6 19.Ra1 Re8?? (better is 19...Be4=) 20.d5+– Bb7 (20...Bd6 21.dc6 dc6+–) 21.Kd2 c6 22.dc6 Bc6 23.Kc1 Qb7 24.Bc3 Be4 25.Bd3 Nf8 26.Re1 Bd3 27.Qd3 Ne6 28.c5 Qb5?? 29.Qb5+/– ab5 30.Ra8 Ra8 31.Rd1 Ra7 32.Nd4 Nd4 33.Rd4 Kf8 34.Kd2 Ke8 35.Ke3 Ra6 36.f4 Ra2 37.Re4 Kd8 38.Rd4 Rh2 39.c6+/– d6 40.Rd5 Kc7+= 41.Rb5 Kc6 42.Ra5 Rh3 43.Kd4 Rh4 44.Ke4 Bd8 45.Ra7 Bc7?? 46.b5!+– Kb6 (46...Kb5 47.Rc7 Deflection). swislina – wojtek8691, kurnik, 2012.

3.c3 Nf6 4.e3 b5 5.a4 ba4 6.Qa4 a5 7.Bb5 (better is 7.b5!? Ne5 8.c4+=) 7...Bb7–/+ 8.Bc6?? (better is 8.Nf3–/+) 8...Bc6–+ 9.Qc6 dc6 10.ba5 e6 11.Nf3 Qd5 12.a6 Qb5 13.Bc1 Ra6 14.Nd4 Ra1 15.Nb5 cb5 16.0–0 Rb1 17.h3 Bd6 18.f4 0–0 19.g4 Ra8 0–1. swislina – wojtek8691, kurnik, 2012.

3.e3 Nb4 4.Nf3 c5 5.a3 Nc6 6.d4 (6.c4!?=) 6...cd4–/+ 7.Nd4 Qb6 8.Nb3 e5 9.Nc3 Nf6 10.Be2 Be7 11.0–0 0–0 12.g4 h6 13.h4 d6 (13...Qd8 14.g5 hg5 15.hg5–/+) 14.g5 hg5 15.hg5 Nh7 (15...Ne8 16.Nd5 Qd8 17.f4+=) 16.g6 fg6 17.Qd5 Rf7 18.Bc4 Ng5 19.Qd3 Be6 20.Be6 Ne6 21.Nd5 Qd8 22.Qg6 Bf6 (22...Nc7 23.Nb6 Rf6 24.Qg2–+) 23.Qg4 Nc7 24.Nb6 Rb8 25.Nd2 Qe7 (25...Na8 26.Nd5 Ne7 27.c4+= (27.Nf6? Rf6 28.Qc4 d5–+)) 26.Ne4= Rd8 27.a4 Qe6 28.Qe6 Ne6 29.Rfd1 Attacking the backward pawn on d6 (29.Rad1 Be7=) 29...Be7 (29...Bh4 30.Ba3–/+) 30.Ba3+= Increases the pressure on the backward pawn 30...Nc5 (30...Rf5!?+=) 31.Bc5= dc5 32.c3 Bh4 33.Kg2 Rdf8 (33...Na5 34.Rh1 Be7 35.Rad1+=) 34.Ra2+= Rd8 35.Rad2 Rd2 36.Rd2 Bd8 (36...Be7 37.Rd5+=) 37.Nd7 Be7 38.Rb2 Nd8 39.Ne5 Rf5 40.Nc4 Rd5 41.Kf3 (41.Rb1 Kh7+/–) 41...Kf7 (41...Rd7 42.Na5+=) 42.Rb6 Rf5 (42...Ke8 43.Rb1+/–) 43.Ke2 Rd5 (43...Kf8!?+/–) 44.Ncd6+– Bd6 (44...Kf8 45.Nb7 Nb7 46.Rb7+–) 45.Nd6 (45.Rd6?! Rd6 46.Nd6 Ke6=) 45...Rd6?? (45...Kf8 46.Nb7 Nb7 47.Rb7 Rh5+–) 46.Rd6 Ke7 47.Rb6 Kd7 48.Kd3 g5 (48...Kc7 49.Rg6 b5 50.Ra6 ba4 51.Kc4+–) 49.Kc4 g4 (49...Kc7 50.Kc5 Nf7 51.Rg6+–) 50.Kc5 Ne6 51.Kd5 Ng5 (51...Nc7 52.Ke5 Kc8 53.Rb4+–) 52.Rb7 Kc8 1–0. phildo (1815) – emece (1705), gameknot.com, 2013.

3.e4 Nb4 4.a3 Nc6 5.a4 e5–/+ 6.a5 Bb4 7.Nf3 d6 8.h4 Ba5 9.Nc3 Nf6 10.Bc4 Bb4 11.Ng5 0–0 12.Nd5 h6 13.Rh3? hg5 14.hg5 Ne4 15.Qh5 Bh3 16.gh3 Bd2 17.Kd1 Qg5 18.Qe2 Qg1 19.Qe1 Qe1 0–1. carosse – amtrack (1935), net–chess.com, 2004.

3.a3 b5

4.Nc3 e6 5.d4 d5 6.Nf3 h6 7.Ne5 (better is 7.e4!?+=) 7...Ne5+= 8.de5 f6 (8...Bb7 9.e3+=) 9.ef6 Qf6 (worse is 9...gf6 10.e4 c6 11.Qh5 Ke7 12.a4+/–) 10.Rb1 Qf7 11.e4 c5 12.ed5 cb4 13.ab4 Bb4 14.de6 Qe6 15.Be2 Bb7 16.0–0 Rd8 17.Bd3 Bc3 18.Bc3 Ne7 19.Re1 (19.Bg7 Rg8 20.Re1 Qf7–+) 19...Qc6? (19...Qf7 20.Rb5 Rd7 21.Rb7 Rb7+–) 20.f3?? (better is 20.Qh5 g6 21.Qg6 Qg6 22.Bg6 Kd7 23.Rbd1 Nd5 24.Bh8 Rh8 25.Re5+–) 20...Qc3?? (better is 20...Kf7 21.Rb3 Qc5 22.Kh1 Rhe8+=) 21.Bg6 Kf8 22.Qd8# 1–0. jackw171 – kro222, kurnik, 2011.

4.d3 Bb7 5.Nd2 Na7 6.Ngf3 e6 7.g3 c5 8.Bg2 f6 9.c3 cb4 10.cb4 Ne7 11.0–0 Nec6 12.Rc1 e5 (12...a5 13.ba5 Qa5 14.d4+=) 13.Ne4 (13.d4 Nd4 14.Bd4 ed4 15.Nd4 Bg2 16.Kg2 a5+/–) 13...d5+= 14.Nc5 d4?? (better is 14...Bc5 15.Rc5 Rc8+=) 15.Nb7+– Qc7 (15...Qd7 16.Nc5 Bc5 17.Rc5 0–0+–) 16.Nh4 (better is 16.Na5 Rc8 17.Nc6 Nc6 18.Nd4 Nd4 19.Rc7 Rc7 20.Bd4 ed4 21.Qa1+–) 16...Qb7+/– 17.Qd2 Bd6 18.Nf5 Qd7 19.Nd6 Ke7?? 20.Rc2 Qd6+/– 21.Rfc1 Rhc8 22.e3 a5 23.ba5 Rc7 24.a6 b4? 25.ab4 Nb5 26.Rc6 Qd8 27.Rc7 Nc7 28.Ba8 Na8 29.Qc2 Qb6 30.Qc5 Qc5 31.Rc5 Ke6 32.b5 Kd6 33.Rc6 Kd7 34.Ba3 Nc7 35.Rd6 Kc8 36.a7 Nb5 37.a8Q Kc7 38.Qd8 Kb7 39.Rd7 Ka6 40.Bb4 Nc3 41.Qa5# 1–0. golfx – huno, kurnik, 2011. (=1.a3 Nc6 2.b4 b5 3.Bb2 a6)

4.d3 Bb7 5.Nd2 Na7 6.Ngf3 h6 7.g3 d6 8.Bg2 e5 9.0–0 Be7 10.e4 Bf6 11.Re1 Ne7 12.Rc1 Ng6 13.c4 c6 14.cb5 Nb5 (14...ab5 15.Nb3+=) 15.Nb3 0–0 16.Na5 Qb6 17.Nb7 Qb7 18.Qc2 Rfc8 19.Qc4 a5 20.ba5 Ra5 21.d4 (better is 21.a4!? Nc7 22.Bc3=) 21...Na3–/+ 22.Ba3 Ra3 23.Rb1 Qd7 24.de5 Ne5 25.Ne5 Be5 26.Rb3 Rca8 27.Ra3 Ra3 28.Qb4 Rc3 (28...Qa7 29.Rf1–/+) 29.Rb1 (29.f4!? Qa7 30.Kh1+=) 29...c5 30.Qb8 Kh7 31.f4 (31.Qf8 Qe6–/+) 31...Bd4–+ 32.Kf1?? (better is 32.Kh1–+) 32...Qg4 33.Re1 g5 34.Qd6 gf4 35.Qd5?? f3 36.Bh1?? Qh3 37.Bg2 Qg2# 0–1. golfx – huno, kurnik, 2011. (=1.a3 Nc6 2.b4 b5 3.Bb2 a6)

4.e3 Na5?? 5.ba5+– Nf6 6.Nf3 Ra7 7.Be2 Rb7 8.c3 c6 9.0–0 Qc7 1–0. ariank – ulaalu, kurnik, 2012.

4.e3 Na7 5.Nf3 d6 6.c4 c6 7.cb5 ab5 8.Be2 Bb7 9.d4 Nc8 10.0–0 Nb6 11.Nbd2 Na4 12.Rb1 Nb2 13.Rb2 Ra3 14.Qc1 Nf6 15.Rc2 Qb6?? (better is 15...Qa8–/+) 16.Qa3+– Nd5 17.Rb2 e6 18.Qa5 Be7 19.Qb6 Nb6 20.h3 0–0 21.Ra1 Nd5 22.Ra7 Rb8 23.g3 Nc3 24.Bd3 f5 25.Ra3 Na4 26.Rba2 Ra8 27.Bc2 d5 28.Ba4 Bb4 29.Rb3 Ra4 30.Ra4 ba4 31.Rb4 Ba6 32.Ra4 Bb5 33.Ra8 Kf7 34.Nb3 Be2 35.Ne5 Kf6 36.Nc6 g5 37.Nc5 f4 38.gf4 gf4+– 39.ef4 Kf5 40.Rf8 Kg6 41.Re8 Bc4 42.Re6 Kf5 43.Re8 Kf4 44.Rh8 h5 45.Rh5 Be2 46.Rh8 Bf3 47.Rf8 Kg5 48.Rf3 Kh4 49.Rg3 Kh5 50.f4 Kh4 51.Rg8 Kh3 52.f5 Kh4 53.f6 Kh5 54.f7 Kh6 55.f8Q Kh5 56.Qf5 Kh6 57.Qg6# 1–0. ourang – hen4daleko, kurnik, 2012.

4.e3 Bb7 5.c4 Na7 6.cb5 Nb5 7.Nf3 e6 8.d4 Bd6 9.Bd3 c6 (9...Nf6 10.0–0+=) 10.Nc3 Na7 (10...Nc3 11.Bc3 Ne7 12.e4+/–) 11.0–0 Nf6 12.Qc2 (12.e4 Be7 13.e5+/–) 12...0–0 (12...a5 13.ba5 Qa5 14.e4+/–) 13.Ne4 (13.e4 Bf4+–) 13...Qe7? (better is 13...Ne4 14.Be4 f5+=) 14.Nf6 Qf6 15.Bh7 Kh8 16.Bd3 Qh6 17.g3 (17.Ne5 Bc7+–) 17...f5 (17...c5 18.Ne5 (18.dc5?! Bf3 19.Be2 Be2 20.Qe2 Be7+=; worse is 18.bc5 Bf3 19.Rfc1 Bc7+=) 18...cb4 19.ab4+/–) 18.Rac1 (18.Ne5 Rad8+–) 18...Rac8 (18...c5 19.Ne5 (19.dc5?! Bf3 20.Be2 Be2 21.Qe2 Bc7+=; worse is 19.bc5 Bf3 20.Be2 Be4+=) 19...cb4 20.ab4+/–) 19.Qe2 g6 20.Ba6 Ba6 21.Qa6 Rc7 22.d5 e5 23.dc6 dc6 24.Ne5 Rfc8 25.Nf7 Kh7 26.Nh6 Kh6 27.Rfd1 Rd7 28.Rd6! Rd6 29.Qa7 Rd2 30.Qg7 Kh5 31.Bf6 Rd6 32.h3 Re8 33.Qh7# 1–0. Fournier,Frederic – Chicot,Patricia, Train France (FRA), 2006.

4.e3 Bb7 5.Nf3 Nf6 +=.

4.e3 Bb7 5.f4 f6 6.Nf3 d6 7.c4 bc4 8.Bc4 e5 9.fe5 fe5 10.0–0 Nf6 11.Ng5 d5 12.Ne6 Qe7 13.Nf8?? (better is 13.Rf6 gf6 14.Bd5+/–) 13...dc4–+ (13...Rf8 14.Bb3+=) 14.d4 Qf8?? (better is 14...cd3 15.Nh7 Rh7 16.Qd3 Rd8–+) 15.de5+= Ne5 16.Be5 Qe7 17.Bf6 gf6 18.Qh5 Qf7 19.Qc5 Qe7 20.Qh5 Qf7 21.Qc5 Qe7 22.Qc4 Qe3 23.Kh1 Qe4 24.Qa2 Rg8?? (24...0–0–0 25.Nc3 Qe3=) 25.Nc3 Qg2–+ 26.Qg2 Bg2 27.Kg1 Bf1 28.Kf1 Kf7 29.Nd5 c6 30.Nf4 Rad8 31.Rc1 Rd4 32.Ne2 Rd3 33.Rc6 Ra3 34.Rc7 Kg6 35.Nf4 Kg5 36.Ne6 Kf5 37.Nd4 Ke4 38.Rc4 Kd5 39.Nc2 Kc4 40.Na3 Kb4 41.Nc2 Kb5 42.Nd4 Kc4 43.Ne6 a5 44.Nf4 a4 45.Ne2 a3 46.Nc1 Kc3 47.Na2 Kb2 48.Nb4 a2 49.Na2 Ka2 50.h4 Rg4 51.h5 Rh4 52.Kf2 Rh5 53.Kf3 Rg5 54.Kf4 Kb3 55.Ke4 Kc4 56.Kf4 Kd4 (56...Kd4 57.Kf3 h5 58.Ke2 h4 59.Kd2 Rg2 60.Kd1 h3 61.Ke1 h2 62.Kf1 h1Q#) 0–1. lllllll21 – pobeditell, kurnik, 2011.

4.e3 e5 5.c4 bc4 6.Bc4 d6? (6...Nf6 7.Qa4=) 7.Nf3 (7.Qf3 Qd7 8.Bf7 Kd8+–) 7...Be6 8.Qc2 Bc4 9.Qc4 Qd7 10.d4 d5 11.Qc2 e4 12.Ne5 Ne5 13.de5 Nh6 14.Nd2 Rc8 15.Nb3 Qe6 16.Bd4 Be7 17.0–0 0–0 18.Rac1 Nf5 19.Qc6 Nd4 20.ed4 (worse is 20.Nd4 Qe5 21.Rc3 Bd6+=) 20...Bg5 21.Rc2 Rfd8? (better is 21...e3!?+/–) 22.Qe6+– fe6 23.Rc6 Re8 24.Ra6 Ra8 25.Ra8 Ra8 26.Na5 Bd2 27.Rd1 Bc3 28.f4 (better is 28.f3!? ef3 29.Rd3+/–) 28...g6 29.Kf1 Kf8 30.Ke2 Ke8? 31.Ke3 Kd7 32.Rb1+– c6 33.g3 Ra7 34.Rb3 Be1? 35.Ke2 Ra5 36.ba5 Ba5 37.Rb7 Bc7 38.g4 Kc8 39.Rb1 Ba5 40.h4 Kc7 41.a4 Bc3 42.Ke3 Ba5 43.Rf1 Kd7?! 44.f5 ef5 45.gf5 gf5 46.Rf5 Kc7 47.Rf7 Kc8 48.Rh7 Bb4 (48...Bb4 49.h5 c5+–). orangutandu – ihor22, kurnik, 2012.

4.e4 Bb7 5.g3 g6?? (Better is 5...Nf6=+) 6.Bh8+– e6 7.Qf3 Nd4 (7...f6 8.Qg2 Ne5+–) 8.Bd4 Ne7 9.Ne2 d5 10.Nbc3 Nc6 11.ed5 ed5 12.Bh3 Qe7 (12...Nd4 13.Nd4 Bg7+–) 13.Nd5 (Better is 13.Bf6 Qd6 14.Qd5+–) 13...Qd7?? (13...Nd4 14.Nf6 Kd8+–) 14.Nf6 (14...Ke7 15.Bd7 Nd4 16.Qb7 Nc2 17.Kd1 Kf6 18.Kc2+–) 1–0. willi_weizenkeim – Grunert, playchess.de, 2003.

4.e4 d5 5.ed5 Qd5 6.d4 e5 7.Nf3 Bg4 8.Be2 Bf3 (Better is 8...ed4 9.0–0 0–0–0=) 9.Bf3+/– Qd7 10.Bc6 (Better is 10.d5 Nd4 11.Bd4 ed4 12.Qe2 Kd8 13.0–0+–) 10...Qc6+= 11.0–0 Bd6 12.de5 Be7 13.Nc3 Nh6 14.Qg4?? (Better is 14.Nd5+–) 14...Ng4–+ (15.Rad1 Rd8–+) 0–1. chessH – Kunk, ChessWorld.net, 2003.

4.e4 Nf6 5.Nc3 e5 6.Nf3 d5 7.ed5 Nd5 8.Qe2 f6 9.0–0–0 g6 10.d4+/– a5? 11.Qb5?? Bd7?? 12.Qd5+– ed4 13.Bc4 Bh6 14.Kb1 Rf8 15.Rde1 Ne7 16.Qd4 ab4 17.Nb5 Rf7 18.Bf7 Kf7 19.Qf6 Ke8 20.Nc7! Qc7 21.Qe7# 1–0. Knight – Master1, mySchach.de, 2004.

4.Nf3 Bb7 5.e4 e5 6.c4+= bc4 7.Bc4 d6 8.0–0 Nh6 9.Bd5 (9...Ng8 10.Qb3+/–) 1–0. Decker,Dale – MacDonald,Alasdair, corr, 1996.

4.Nf3 d5 5.d3 Qd6 6.g3 Qf6?? (better is 6...a5=) 7.Nbd2 (better is 7.Bf6 Nf6 8.Bg2+–) 7...Qh6 (better is 7...Qb2 8.c4 dc4 9.dc4 Nf6–+) 8.Bg2 f5 9.0–0 Qh5 10.c4 dc4 11.dc4 bc4 12.Nc4 e5 (12...Bd7 13.Nfe5 Ne5 14.Ne5 Rd8 15.Nd7 Nf6 16.Nf6 ef6 17.Qa4 Kf7+–) 13.Nce5 Ne5 14.Be5 c6 15.Qd4 Be6 16.Bg7 1–0. linakip – jadakh, kurnik, 2011.

4.Nf3 e6 5.g3 f5 6.Bg2 e5? (better is 6...Nf6!?+=) 7.Ne5+– Ne5? (better is 7...Bb7+–) 8.Ba8 (8.Be5?! c6+/–) 8...c5 (8...Qe7+–) 9.Be5 cb4 10.0–0 d6 11.Bb2 Be6 12.Bg2 Nf6 (12...ba3 13.Ra3 Qc8 14.Rc3+–) 13.ab4 Ng4 (13...Bc8 14.Bf6 Qf6 15.Nc3+–) 14.Ra6 Bc8 15.Ra1 Ne5 16.d3 Be7 17.Nd2 0–0 18.Nf3 f4 19.Be5 de5 20.Ne5 Rf5 21.Nc6 Qd4 (21...Qd6+–) 22.Nd4 Rd5 23.Bd5 (23.Bd5 Kh8 24.Ra8+–) 1–0. linakip – lzlast, kurnik, 2012.

4.Nf3 Nf6 5.e3 d5 6.d4 e6 7.Bd3 Bd6 8.0–0 0–0 9.Nbd2 Nh5 10.Ne5+– Ne5? 11.de5 Be7 12.Qh5 (12...h6 13.Nb3+–) 1–0. Wall,Bill – KingVVI, Internet, 2001.

4.e4 e5

5.c4 Bb7 6.cb5+/– ab5 (6...Nd4 7.Nf3 Nb5 8.Ne5+=) 7.Bb5 (7.Nc3 Nd4 8.Nb5 Nb5 9.Bb5 Be4+/–) 7...Nf6 (7...Nd4 8.Bd3+=) 8.Bc6 (8.Nf3 Ne4 9.Qe2 Na7+/–) 8...Bc6 9.f3 (9.d3 d5 10.Nf3 de4 11.Ne5 Ba4+/–) 9...d6 (9...Nh5 10.Ne2+= (worse is 10.Be5 Qg5 11.Bg3 Ng3 12.hg3 Qg3 13.Kf1 Bb4+=)) 10.d4+/– Ba4 11.Qd2 (11.Qd3 ed4 12.Bd4 c5 13.Bf6 Qf6+/–) 11...Nd7 (11...ed4 12.Bd4 c5 13.Bb2+/–) 12.Ne2 c6 (12...Qh4 13.Ng3+/–) 13.Nbc3 (13.0–0 Be7+/–) 13...Be7 (13...Bb3 14.0–0+/–) 14.Na4+– Ra4 15.Nc3 (15.0–0 0–0+–) 15...Ra8+/– 16.0–0 Qb6 17.Ne2 0–0 18.f4 (18.Ng3 Bf6 19.Nf5 d5+–) 18...ef4 19.Nf4 (19.Qf4 d5+/–) 19...Ne5 (19...Bg5 20.Qe2+/–) 20.Qc3+– Bf6 (20...Rfe8!?+–) 21.Nh5 Nd7 22.Nf6 Nf6 23.Rf4 d5+/– 24.Qc5 Qc7?? 25.e5 Ne4+/– 26.Qc2 Qe7 27.Qc6+– White creates threats along the open c–file 27...Qe6 28.b5?? Rab8? 29.a4?? Qc6–/+ 30.bc6 Rb2 31.Rc1 Rc8–+ 32.Rcf1 Nd2 33.Rc1 Rc6?? 34.Rc6+– The mate threat is Rc8 34...Rb1 35.Kf2 h6? 36.Rc8 Kh7 37.Rd8 Rb4?? 38.Rd5+– Ra4 39.Rf7 Ne4 40.Ke3 Ng5 41.Rb7 Ne6 42.Ke4 Rd4 43.Rd4 Nc5 44.Kf5 Nb7 45.e6 Kg8 46.Kg6 Kf8 47.Rd7 Nc5 48.Rg7 Ne6 49.Rf7 Ke8 50.Rf1 Nc5 51.h4 h5 52.Kh5 Ne4 53.Kg6 Ng3 54.Rf7 Nh5 55.Rf3 (55.Rf3 Kd7 56.g4+–) 1–0. Rine,A – Brown,D, Colorado (year?).

5.c4 Rb8 6.Nf3 +=.

5.Nf3 d5 6.ed5 Qd5 7.Nc3 +=.

5.Nf3 d6 6.c4 Rb8 +=.

5.Nf3 d6 6.c4 Nf6 7.cb5 ab5 8.Bb5 Bd7 9.Qc2 Na7 10.Bd7 Qd7 11.0–0 Be7 12.d4 ed4 13.Nd4 Nb5 (13...0–0 14.Rc1+–) 14.Nf5 0–0 (14...Rg8 15.a4 Na7 16.Rd1+–) 15.Qc1 (better is 15.Qc6 Rfe8 16.Qd7 Nd7 17.Ng7+–) 15...Ne4?? (better is 15...Bd8+–) 16.Qh6!! (16.Ng7?! d5+/–) 16...gh6 (16...Bf6 17.Bf6 gh6 18.Nh6) 17.Nh6# 1–0. Buettner,Fritz (2180) – Tortoza,Carlos, CiF, 2005.

5.Nf3 d6 6.Be2 Bb7 (6...Nf6 7.c4 bc4 8.Bc4+=) 7.0–0 (better is 7.c4+=) 7...a5? (7...Nf6!?+=) 8.d4 (8.Bb5 ab4 9.ab4 Ke7+–) 8...ab4+/– 9.d5 Na7 10.Re1 (10.ab4 Nf6 11.Nc3 c6+/–) 10...Nf6 (better is 10...ba3!? 11.Ba3 Nf6=) 11.ab4+/– c6 (11...Ne4? 12.Ra7 Ra7 13.Bb5 c6 14.dc6+–) 12.dc6 Nc6 13.Ra8 Qa8 14.Bb5 Ba6 15.Ba4 Bc4 16.Nc3 Be7 17.Bc6 Qc6+/– 18.g3 Nd7 19.Kg2 0–0 20.h3 Nf6 21.h4 g6 22.h5 Nh5= 23.Ne2? Rc8 24.Neg1 Bb5 25.c3 Bc4 26.Ne2? Qe4–+ 27.Neg1 Qb7 28.Nh3 Bd5 29.Nhg1 Rc4 Black intends e4 30.Nh3? h6 31.Kh2?? Bf3 32.Qd2 g5 Black prepares the advance e4 33.Re3 e4 34.Ng1 g4 35.Ne2 Bg5 36.Nf4 Nf4 37.gf4 Bf4 38.Kg1 Qb6 39.Qd5 Be3 40.fe3 Qe3 41.Kh2 Qe2 42.Kg1 Qg2# 0–1. pieeater – xorb, ChessWorld.net, 2010.

5.Nf3 Nf6 6.Be2 Ne4 7.Nc3 d5 8.Bd3 Nc3 9.Bc3 e4 10.Be2 ef3 11.Bf3 Bf5 12.0–0 Be4 13.Be4 de4 14.Qe2 Qd5 15.d3 Qe6 16.de4 Bd6 17.Bg7 Rg8 18.Bh6 Qh6 19.g3 Be5 20.Rad1 Rd8 21.Rc1 Nd4 22.Qd3 Bf4 23.Rfe1 Bc1 24.e5 Bb2 25.a4 Qh5 26.ab5 Nf3 27.Kf1 Rd3 28.cd3 Qh2 29.Ke2 Rg3 30.Rb1 Nd4 31.Kd2 Qf2 32.Kd1 Rg1# 0–1. pieeater – 488, ChessWorld.net, 2012.

3.a3 d5

4.Nc3 e5 5.e3 Be6 6.h3 Bd6 7.Be2 Nf6 8.Nf3 h6 9.0–0 0–0 10.Nh2 Qd7 11.g4 e4 12.f3 Bh2 13.Kh2 Qd6 14.f4 Ne7 15.Na4 b6 16.Bf6 gf6 17.Kg2 Bd7 18.Nc3 Kh7 19.d4 Rg8 20.f5?? Nf5–+ 21.Kh1 Ne3 22.Qd2 Nf1 23.Rf1 Qg3 24.Rf6 Qh3 25.Kg1 Bg4 26.Rf7 Kh8 27.Bg4 Rg4 (27...Rg4 28.Kf2 Rg2 29.Ke1 Rg1 30.Ke2 Qh2 31.Rf2 Qh5 32.Ke3 Rg3 33.Rf3 Qf3#; 27...Qg4 28.Kf1 Qg1 29.Ke2 Rg2 30.Rf2 Rf2 31.Ke3 Qg3#) 0–1. jackw171 – pako1707, kurnik, 2012.

4.d3 b5 5.Nd2 e5 6.g3 d4 (6...a5 7.ba5 Ra5 8.Bg2+=) 7.Bg2= Bb7 8.Ngf3 Nf6 (8...f6 9.e3=) 9.c3 (better is 9.Ne5!? Ne5 10.Bb7+/–) 9...dc3= 10.Bc3 Bd6 (10...Nd5 11.Be5 Ne5 12.Ne5 Bd6=) 11.Ne4 (better is 11.Ne5 Be5 12.Be5 Ne5 13.Bb7+/–) 11...Ne4+= 12.de4 f6 13.0–0 0–0 14.Nh4 g6 15.Qb3 Kg7 16.Rad1 Qe7 17.Rc1 Nd8 18.Rfd1 Ne6 19.e3 c5 20.bc5 Nc5 21.Qc2 Rac8 22.Rb1? (better is 22.Rd6 Qd6 23.Bb4+=) 22...Na4–+ 23.Qd2?? (23.Rd3 Nc3 24.Rc3 Ba3 25.Rc8 Rc8–+) 23...Ba3 (better is 23...Nc3 24.a4 Rfd8–+) 24.Bb4? (better is 24.Ba5–/+) 24...Bb4–+ 25.Qb4 Qb4 26.Rb4 Rfd8 27.Rbb1 1–0. golfx – janekpulik, kurnik, 2012. (=1.a3 d5 2.b4 Nc6 3.Bb2 a6)

4.d3 e5 5.Nd2 Bd6 6.g3 Nf6 7.Bg2 Be6 8.Ngf3 h6 9.c4 0–0 (9...d4!?=) 10.c5+= Be7 11.Ne5 Ne5 12.Be5 b6 13.cb6 cb6 14.0–0 Rc8 15.Qa4 a5 16.ba5 ba5 17.Rfc1 Rc1 18.Rc1 Nd7 19.Bd4 Nb6 (19...Nf6 20.Nb3+–) 20.Qc6 (better is 20.Qa5!? Nd7 21.Qd8 Rd8+–) 20...Nd7+/– 21.Nb3 a4 22.Qa4+– Nf6 23.Qc6 Bd7 24.Qc7 Qa8?? 25.Qa7 Qa7+/– 26.Ba7 Ba3 27.Nc5?? Bc1–+ 28.Nd7 Nd7 0–1. golfx – raulex, kurnik, 2012.

4.d3 e5 5.Nd2 Be6 6.g3 h6 7.Bg2 Nf6 8.Ngf3 Bd6 9.c4 d4 10.c5 Be7 11.0–0 0–0 12.e3 (better is 12.Nc4 e4 13.Nfd2 ed3 14.Bc6 de2 15.Qe2=) 12...b6?? (better is 12...de3 13.Nc4 Bc4 14.dc4 e4–/+) 13.ed4+/– ed4 14.Re1?? (better is 14.cb6 cb6 15.Nd4 Nd4 16.Ba8 Qa8 17.Bd4+/–) 14...bc5+= 15.bc5 Bc5?? 16.Ne4?? Ne4–/+ 17.de4 Rb8 18.Qc2 Qe7 19.Rac1 Rb5 20.Red1? Rfb8?? 21.Bd4+= Ba3 22.Qc6+/– Bc1 23.Qc1 Kh7 24.Qc3 f6 25.Rc1 R8b7 26.Nh4 Rb3 27.Qc6 Bd7? 28.Qc4?? Bb5?? 29.Qc5 Qc5= 30.Bc5 c6 31.Nf5 a5 32.Nd6+/– Rb8 33.Nb5 cb5= 34.e5 a4 35.ef6 gf6 36.Bd5 Rd3?? 37.Be4 f5 38.Bd3 b4 39.Bf5 Kg7 40.Bd4 Kf7 41.Be6! Ke6 42.Rc4 b3?? 43.Ra4+– b2 44.Bb2! Rb2 45.Kg2 Kd5?! 46.Ra5 Kc4 47.h4 Kd3 48.Rh5 Ke2 49.Rh6 Ke1 50.Rf6 Re2 51.h5 1–0. golfx – golemxiv, kurnik, 2011.

4.d3 e5 5.Nd2 Nf6 6.g3 Bd6 7.Bg2 Be6 8.Ngf3 0–0 9.0–0 h6 10.c4 d4 11.c5 Be7 12.e3 (12.Nc4 e4 13.Nfd2 ed3 14.Bc6 de2 (worse is 14...bc6 15.ed3 Nh7 16.f4+=) 15.Qe2 d3=) 12...Qd7 (better is 12...de3 13.Nc4 Bc4 14.dc4 e4 15.Qd8 Rad8–/+ (15...Nd8?! 16.Ne5=)) 13.ed4 ed4 14.Ne4 (14.Nb3 Bb3 15.Qb3 Rfe8+=) 14...Ne4 15.de4 Now all is on d4 15...Bf6 (15...Rad8 16.Qd3=) 16.e5+= Ne5 17.Ne5 Be5 18.f4 (18.Re1 Bf6 19.Bb7 Ra7+=) 18...Bf6= 19.Bb7 c6 (better is 19...Ra7!? 20.c6 Qd5=) 20.Ba8+/– Ra8 21.Qd3 Bh3 22.Rf2 Qd5 23.Rd1 Re8 24.Bd4?? (better is 24.Re2 Re2 25.Qe2+–) 24...Bd4 25.Qd4 Qd4 26.Rd4 (26.Rdf1 Re2 27.b5 Rf2 28.Rf2 Qd1 29.Rf1 Qf1#) 26...Re1 27.Rf1 Rf1# (27...Bf1?! 28.Kf2 Ra1 29.a4–+) 0–1. golfx – gus464, kurnik, 2011. (=1.a3 d5 2.b4 Nc6 3.Bb2 a6)

4.d3 e5 5.Nd2 Nf6 6.g3 Be6 7.Bg2 Bd6 8.Ngf3 0–0 9.0–0 Qe7 10.c4 dc4 (10...b6 11.Ng5=) 11.dc4+= b6 12.Rc1 (12.b5 Na7+=) 12...a5 (12...Bd7!?=) 13.b5 Na7 14.Ng5 (14.Ne5 Rad8+=) 14...Ba3 (better is 14...Rad8!?=) 15.Ba3+/– Qa3 16.Ne6 fe6 17.Ba8 Ra8 18.Qb3 (18.Ra1 Qc5+/–) 18...Qd6 (18...Qb3!? 19.Nb3 a4+=) 19.Rfd1+/– Qc5 20.Nf3 Ne4 21.e3 Rf8 22.Kg2 (22.Qc2 Nf6+/–) 22...Nf6 (better is 22...Nf2!? 23.Rd2 Ne4=) 23.Qc3 c6 24.Qe5 Qe7 (24...Qe5 25.Ne5 cb5 26.cb5 Nb5 27.Rc6+–) 25.Nd4 (25.bc6 Nc6 26.Qd6 Qe8+–) 25...cb5 (better is 25...Ng4!? 26.Qh5 Nf2+–) 26.Qe6+– (26.Nb5?! Ng4 27.Qc7 Qf6= (worse is 27...Rf2 28.Kg1 Qc7 29.Nc7+/–); 26.cb5?! Ng4 27.Qe6 Qe6 28.Ne6 Rf2 29.Kg1 Kf7+–) 26...Qe6 27.Ne6 Re8 28.Nc7 Rc8 (28...Re5 29.Rd8 Kf7 30.Ra8+–) 29.Nb5 Nb5 30.cb5 Rd8 (30...Rc1 31.Rc1 Kf8+–) 31.Rd8 (31.Rd8 Kf7 32.Rd6+–) 1–0. golfx – maltrix1, kurnik, 2012. (=1.a3 d5 2.b4 a6 3.Bb2 Nc6)

4.d3 Nf6 5.Nd2 e5 6.f3 Bd6 7.g3 Be6 8.Bg2 Qd7 (8...d4 9.c4–/+) 9.e4 d4 10.Ne2 0–0 11.c3 Bh3 (11...dc3 12.Bc3 Rfd8 13.f4–/+) 12.0–0 Bg2 13.Kg2 dc3 14.Bc3 b5 15.Nc1 Rad8 16.Ncb3 Be7 17.Rc1 Nd4 (17...a5!?–/+) 18.Nd4 (18.Bd4 ed4 19.Na5 Ra8+=) 18...ed4= 19.Bb2 h6 (19...a5 20.Nb3 ab4 21.ab4 Bb4 22.Bd4=) 20.Qb3 (20.Nb3 Nh7+/–) 20...Nh7 (20...Rc8 21.Rc2=) 21.Qa2 (21.Qc2 Rc8 22.Nb3 Rfd8+/–) 21...Ng5 22.Nb3 Qh3 23.Kg1 Qe6? 24.Ra1 Kh7 25.Nd4?? Qa2 26.Ra2= Bf6 27.Nc6 Rd3 28.Bf6+/– gf6 29.Kg2 Rc3 30.Ne7 Rd8 31.h4 Ne6 32.Nd5 Kg7?? 33.Nc3+– Nd4 34.Nd5 c6 35.Nc7 Nb3 36.Na6 Rd3 37.Nc5 Nc5 38.bc5 Rc3 39.a4 ba4 40.Ra4 Rc5 41.Ra7 Rc2 42.Kh3 c5 43.Rd1 c4 44.Rdd7 c3 45.Rf7 Kg8 46.Rfb7 Rd2 47.Rb8 Rd8 48.Rd8# 1–0. golfx – rak69, kurnik, 2011.

4.d3 Nf6 5.Nd2 e5 6.g3 Bd6 7.Bg2 Bf5 8.Ngf3 0–0 9.0–0 e4 (9...Qd7 10.c4 dc4 11.Nc4=) 10.de4 (10.Nh4 Be6 11.de4 Be5 12.Be5 Ne5 13.ed5 Bd5+=) 10...Ne4= 11.Nh4 Nd2 12.Qd2 Be6 13.Qc3 (13.f4 a5 14.f5 Bd7+/–) 13...Be5+= 14.Qb3 d4 15.c4?? (15.Qd3 Qd6 16.Bc6 bc6 17.Nf3+=) 15...dc3–+ 16.Qe6 (16.Qc2 cb2 17.Rab1–+) 16...fe6 17.Bc1 Nd4 18.Bb7 Rb8 (better is 18...Ne2 19.Kg2 c2 20.Ra2 Nc1 21.Rc2–+) 19.Ba6 Ne2! 20.Kg2 (20.Be2 Qf6 Combination) 20...Nc1 (better is 20...Qd5!? 21.Kh3 c2 22.Be2 Ba1 23.f4–+) 21.Rac1 Qd5 22.Nf3 (22.Kg1 Qb3 23.Be2 c2–+) 22...Bf6 (better is 22...Qf3 23.Kg1–+) 23.Rfd1 Qh5 (23...Qb3!? 24.Bd3–+) 24.Be2 Rfd8 25.Re1 (25.Rd8 Rd8 26.Bc4 Qf5–+) 25...e5 (25...Qd5!? 26.g4–+) 26.Nd4 (26.Ne5 Qe8 27.Bc4 Kf8 28.Rc3 Rd4–+ (28...Be5?! 29.Rf3 Bf6 30.Re8 Ke8 31.h4–+)) 26...Qf7 27.Nc6 Rdc8 28.Nb8 Rb8 29.Rc3 e4?? 30.Rc4? Qd5 31.Rec1 Be5 32.Rc5 Qd2 33.R1c2 Qd8?? 34.Re5+– h6 35.Rec5 Rc8 36.a4 Qf6 37.a5 h5 38.b5 h4 39.b6 Rf8 40.Bc4 Kh8 41.Rc7 Qf3= 42.Kg1?? Qd1 43.Kg2?? Qc2–+ 44.b7 Qf2 45.Kh3 Qf5 46.Kg2 Qa5 47.Rc8 Qd2 48.Kh3 Qd8 49.Rd8 Rd8 50.Be6? e3–+ 51.Bc8 e2 52.b8Q e1Q 53.Kh4?? Qe4 54.Bg4 Qh7 55.Bh5 Qe4 56.Kh3?? Qe6 57.Bg4 Qe7 (57...Qe7 58.Qb6 Rd2–/+; 57...Rb8?! 58.Be6 Rb2 59.g4–/+) 0–1. golfx – x7xx, kurnik, 2012.

4.d4 Nf6 5.Nf3 e6 6.e3 b5 7.Bd3 Bd6 8.0–0 0–0 9.Re1 Re8 10.e4 e5 11.de5 Ne5 12.Ne5 Be5 13.Be5 Re5 14.ed5 Re1 15.Qe1 Qd5 16.Nc3 Qe6 17.Ne4 Ne4 18.Qe4 Qe4 19.Be4 Rb8 20.Bc6 Rb6 21.Re1 Be6 22.Rd1 g6 23.Bf3 Rb8 24.h3 Kf8 25.Kf1 Ke8 26.Ke1 Rb6 27.c3 Bc8 28.Kd2 Rd6 29.Kc2 Rd1 30.Kd1 Ke7 31.Bd5 ˝–˝. Zimmer – Loetzbeier, (year?).

4.e3 (--> 1.b4 d5 2.Bb2 a6 3.e3 Nc6 4.a3).

4.Nf3 (--> 1.b4 d5 2.Bb2 a6 3.Nf3 Nc6 4.a3).

4.g3 b5 5.Bg2 Bb7 6.Nf3 e6 7.0–0 Nf6 8.d3 Be7 9.Nbd2 0–0 10.e3 Nd7 11.c4 bc4 12.dc4 dc4 13.Nc4 Nb6 14.Nce5 Qd1 15.Rfd1 Rfd8 16.Rd8 Rd8 17.Nc6 Bc6 18.Ne5 Bg2 19.Kg2 Rd2 20.Bd4 Bf6 21.Nc6 Bd4 22.Nd4 Nd5 23.Kf3 Kf8 24.Rc1 Ra2 25.b5 ab5 26.Nb5+= Ke7 27.Nc7 Nc7? 28.Rc7+/– Kf6 29.Ra7 h5 30.h4 g6 31.a4 Ra3 32.a5 Ra4 33.a6 e5 34.Ra8 Kf5 Black prepares the advance e4 35.a7 f6?? 36.Kg2 e4 37.f4?? ef3?? 38.Kf3+– Ra5 39.e4 Ke5 40.Re8 Kd6 41.a8Q Ra8 42.Ra8 1–0. rryy44 – tsvetkov, kurnik, 2011.

4.d3 Be6

5.Nd2 Qd7 6.g3 0–0–0 7.Bg2 h5 8.c4 Nh6 (8...dc4 9.Nc4 h4 10.gh4=) 9.cd5 (9.b5 ab5 10.cb5 Nb8+/–) 9...Bd5+= 10.Ngf3 Bf3 (10...f6 11.e4 Bf7 12.d4+=) 11.Nf3+/– e6 12.Qc2 Rg8 13.0–0 g6 14.Qa4 (14.Rfc1 Nf5+/–) 14...Bg7 15.b5 (better is 15.Bg7 Rg7 16.b5+/–) 15...ab5?? (better is 15...Bb2 16.Rab1 Bg7 17.bc6 Qc6 18.Qc6 bc6+=) 16.Qa8+– (16.Qb5?! Qd5 17.Qd5 ed5 18.Bg7 Rg7=) 16...Nb8 17.Bg7 Rg7 (17...Qd6 18.Bh6 Qa6 19.Qa6 ba6 20.Bg5+–) 18.Ne5 Qd5 19.Bd5 Rd5 20.Nf3 h4 21.a4 hg3 22.fg3 b4 23.Rfb1 Nf5 24.Rb4 Nd6 25.Rab1 b6 26.a5! Ra5 27.Qa5! ba5 28.Rb8 Kd7 29.Ra8 Nf5 30.Ra5 Rg8 31.Rb4 Nd6 32.e4 Ke7 33.Ne5 f6 34.Nc6 Kd7 35.Nd4 e5 36.Nf3 Ke6 37.Nh4 g5 38.Nf5! Nf7 39.Ra6 Kd7 40.Rb7 Rc8 41.Raa7 Kc6 42.Ne3 Nd6 43.Rb1 Kd7 44.Nd5 f5 45.ef5 Nf5 46.Rc1 Nd4 47.Rac7 Rc7 48.Rc7 Kd6 0–1. golfx – tylko3x3, kurnik, 2011.

5.Nd2 Qd6

6.g3 0–0–0 7.Bg2 h5 8.Ngf3 Bf5 9.c4 dc4 10.Nc4 Qg6? (better is 10...Qe6!? 11.Ne3 Bg4+/–) 11.Nh4+– Qh7? (11...Qe6 12.Nf5 Qf5 13.Bc6 bc6 14.Rc1+–) 12.Nf5 (better is 12.Bc6!? bc6 13.Qa4 Be6 14.Qa6 Kd7 15.Ne5 Ke8 16.Qc6 Bd7 17.Qc7 Nf6 18.Nf7 Rc8+–) 12...Qf5 13.Bc6 bc6 14.0–0 h4 15.e4 Qg6 16.Qf3 hg3 17.fg3 e6? 18.Qf7+– Qh6 19.Rf2 c5 20.Be5 Ne7 21.bc5 Rd3 22.Qe8 Rd8 23.Qa4 Ng6 24.Qa6 Kd7 25.Rd1 Ke7 26.Bc7 Rd1–+ 27.Kg2 Qh2 28.Kf3 Qh5 29.Ke3 Qc5 30.Kf3 Qc7 31.Qb6 Qb6 32.Nb6 Ne5 33.Kf4 Nd3 34.Ke3 Nf2 35.Kf2 Rb1 36.Nc4 Rb3 37.Kg2 Kf7 38.Ne5 Kg8 39.Ng6 Rh6 40.Ne5 Ra3 41.Ng4 Rg6 42.Kh3 Bd6 43.Kh4 Bg3 (43...Bg3 44.Kh3 Bd6 45.Kg2 Rg4 46.Kf2 Ra2 47.Kf1 Bc5 48.e5 Rg1#; 43...Rg3 44.Nf6 Rf6 45.e5 Be5 46.Kh5 Rh6#) 0–1. golfx – tylko3x3, kurnik, 2011.

6.g3 0–0–0 7.Bg2 h5 8.Ngf3 Bg4 9.c4 Bf3 10.Nf3 (10.ef3?! dc4 11.Nc4 Qd5=) 10...dc4 11.dc4 Qe6 12.Qc2 f6 13.0–0 g5? (13...Nh6!?+–) 14.b5 (14.Ng5!? fg5 15.Bh8 Nf6+–) 14...ab5 15.cb5 Na7 (15...Na5 16.Ng5! Qb3 17.Qb3 Nb3+–) 16.Nd4 (better is 16.Ng5!? fg5 17.Bh8 Nb5+–) 16...Rd4 (better is 16...Qb6+–) 17.Bd4 Nb5 18.Be3 g4 (18...h4 19.Rab1 Nd6 20.Rfc1+–) 19.Qa4 (better is 19.Rfd1 Bh6 20.Bd5+–) 19...Nd6? (19...Qa6 20.Qb3 Nd6+–) 20.Qa8 Kd7 21.Bb7 Nb7 22.Qb7 Ke8 23.Qc7 Kf7 24.Rfd1 h4 25.Rd4 hg3 26.hg3 Bh6 27.Bh6 Nh6 28.e3 Nf5 29.Rg4 Ne3 30.Qf4?? Ng4–+ 31.a4 Ne5 32.Qe3 Qh3 33.Qe4 Qh2 34.Kf1 Qh1 35.Qh1 Rh1 36.Ke2 Ra1 37.f4 Nd7 0–1. golfx – tylko3x3, kurnik, 2012.

6.g3 0–0–0 7.Bg2 h5 8.Ngf3 Nh6 9.c4 Rg8 (9...dc4!? 10.dc4 Bf5+=) 10.b5+/– dc4? (better is 10...Nb8+/–) 11.bc6+– Qc6 12.Nc4?? (better is 12.dc4 Qb6 13.Qc2+–) 12...Bc4= 13.Rc1 Ng4? (13...Qb6 14.Qd2 Ng4 15.0–0=) 14.Rc4 (better is 14.h3 Nf2 15.Kf2 Qb6 16.d4+–) 14...Qb6?? (14...Qc4 15.dc4 Rd1 16.Kd1 Nf2 17.Kc2 Nh1 18.Bh1=) 15.Qc1?? (better is 15.Bd4 Qa5 16.Bc3 Qa3 17.Qc2+–) 15...Qf2= 16.Kd1?? (better is 16.Kd2 Qg2 17.Rc7 Kb8 18.Rg1+–) 16...Ne3–+ 17.Kd2 Nc4 18.Qc4 Qg2 19.Rc1 c6 20.Qf7 Rh8 21.Qe6 Kb8 22.Ne5 Rd6 23.Qf7 g6 24.Nc4?? Bh6–+ 25.Kc3 Rf8 26.Qe7 Rdf6 27.Qe5 Ka8–+ 28.Rc2 Rf5 29.Qe7 R5f7 30.Qc5 Bg7 31.Kb3–/+ Bb2 32.Rb2 Qd5 33.Qb6? Qb5 34.Qb5–/+ ab5 35.Nd6 Rd7 36.Ne4 Rf1 37.Kb4 Ka7 38.a4 Rd4 39.Kc3 Rc1?? 40.Kd4+– c5?? 41.Nc5 Rc4 42.Kd5 Rc5 43.Kc5 b6 44.Kb5 Kb7 45.a5 Ka7 (45...Ka7 46.ab6 Kb8 47.Ra2 Kc8 48.Kc6 Kd8 49.b7 Ke7 50.b8Q Kf7 51.Ra7 Ke6 52.Qd6 Kf5 53.Ra5 Kg4 54.Qe6#). golfx – tylko3x3, kurnik, 2012.

6.g3 0–0–0 7.Bg2 h5 8.Ngf3 Nh6 9.c4 Rg8 (9...dc4 10.dc4 Ng4 11.Qc2+/–) 10.cd5 (10.b5!? Nb8 11.Be5+/–) 10...Bd5+= 11.Ne4 Be4 12.de4 Qd1 13.Rd1 Rd1 14.Kd1 g6 15.Kc2 (15.h3 Bg7 16.Bg7 Rg7+=) 15...Bg7= 16.Bg7 Rg7 17.Nh4 Ng4 18.h3 Nh6 (worse is 18...Nf2 19.Rf1 Nh3 20.Bh3 e6 21.Nf3+/–) 19.f4 (better is 19.Rd1!?=) 19...g5–/+ 20.fg5 Rg5 21.g4 hg4 22.hg4 Ng4 (worse is 22...Rg4 23.Bh3 Kd8 24.Bg4 Ng4 25.Rg1+=) 23.Bf3 Nge5 24.Nf5 e6 25.Ne3 Rg3 26.Rf1 Nf3 27.ef3 Nd4 28.Kd3 Nf3 29.Ke2 Nd4 30.Kd3 Nf3 31.Kc3?? Ne5 32.Kd2 b5 33.Nc2 Nc4 34.Kc1 Kd7 35.Rf7 Kd6 36.Rf1 Na3 37.Na3 Ra3 38.Kb2 Re3 39.Rf4 Ke5 40.Rf7 Re4 41.Rc7 Rb4 42.Kc3 Ra4 43.Rc5 Ke4 44.Kd2 e5 45.Rc3 a5 46.Re3 Kd5 47.Rd3 Rd4 48.Ke3 Rd3 49.Kd3 a4 50.Kc3 Kc5 51.Kd3 b4 52.Ke4 a3 53.Ke5 b3 54.Ke4 b2 55.Kd3 a2 56.Kc2 b1Q 57.Kc3 a1Q 58.Kd2 Qb4 59.Kd3 Qaa3 60.Kc2 Qbb2 61.Kd1 Qaa1# 0–1. golfx – tylko3x3, kurnik, 2012.

6.g3 Nf6 7.Bg2 g6 8.Ngf3 Bg7 9.0–0 0–0 10.c4 dc4 11.Nc4 Bc4 12.dc4 Rfd8 13.c5 (13.Qd6 cd6 14.Rac1 d5+=) 13...Qd1 14.Rfd1 Nd5 15.Bg7 Kg7 16.Nd4 (16.Rac1 Nf6+=) 16...Nc3 17.Rd3?? (better is 17.Bc6 bc6 18.Rdc1=) 17...Nd4–+ (17...Rd4?! 18.Rc3 Rad8 19.Bc6 bc6 20.Re3=) 18.Rc3 Ne2 19.Kf1 Nc3 20.Bb7 Ra7 21.Bc6 Rd1 22.Rd1 Nd1 23.Ke2 Nc3 24.Kd2 Nb5 25.a4 Nd4 26.Bd5 e6 27.Bc4 Ra8 28.h3 Rd8 29.Kc3 e5 30.Ba6 f5 31.Bc4 g5 32.a5 c6 33.a6 h5 34.Bd3 Kf6 35.g4 fg4 36.hg4 h4 37.Kc4 h3 38.Be4 h2 39.a7 Ra8 40.Bc6 Nc6 41.b5 Na7 42.b6 Nc6 43.Kb5 h1Q 44.b7 Rb8 45.Kb6 Rb7 46.Kb7 Nd4 47.Kb6 Qc6 48.Ka5 e4 49.Kb4 Ke5 50.Kc4 Qd5 51.Kc3 Qc5 52.Kd2 Kf4 53.Ke1 Nf3 54.Kf1 Qc1 55.Ke2 Qd2 56.Kf1 Qe1 57.Kg2 Qg1 58.Kh3 Qh2# (58...Qg4#) 0–1. golfx – lucyna545, kurnik, 2011.

4.d3 Bf5

5.Nd2 Qd6 6.Ngf3 0–0–0 7.g3 (7.c4 dc4 8.Nc4 Qe6+=) 7...f6 (7...d4 8.c4 e5 9.Bg2=) 8.c4+= e5 (better is 8...e6!?+=) 9.cd5+/– Qd5 (better is 9...Nce7+/–) 10.Nc4?? (better is 10.e4 Qd7 11.ef5+–) 10...e4= 11.de4?? (11.Ne3 Qb5 12.Nf5 Qf5+=) 11...Qe4?? 12.Qb1?? Qc4 13.Qf5+= Kb8 14.Bg2?? Qb3 15.Qb1 Nge7 16.0–0 h5 17.Bc1 Qe6 18.Be3 Nf5 19.Bc5 h4 20.Bf8 Rdf8 21.b5 Nce7 22.ba6+/– Qa6 23.Qb4 hg3= 24.hg3 Nd5 25.Qe4?? Nfe7 26.Rfb1 Nb6?? 27.a4 f5?? 28.Qf4 Ned5 29.Qd4+= Rd8 30.a5+/– Nf6?? 31.Qf4 Nbd5= 32.Qg5 Rh5 33.Qg7?? Rg8–+ 34.Qf7 Qe2?? 35.Ne5?? Qe5–/+ 36.a6 b6?? 37.a7+– Ka8 38.Bd5 Nd5 39.Qh5 Rg3?? 40.fg3 Qg3 41.Kh1 Qg8 42.Rg1 Qe8 43.Qe8 Kb7 44.a8Q# 1–0. golfx – tylko3x3, kurnik, 2012.

5.Nd2 Qd7 6.g3 0–0–0 7.Bg2= h5 8.c4 e6 9.b5 ab5 10.cb5 Na7 11.a4 Bb4? (better is 11...Nf6!?+=) 12.Bg7+– Rh7 13.Bd4 Bd2 (13...b6 14.Ngf3+–) 14.Qd2 b6 15.Nf3 Qd6 (15...Kb7 16.a5 Nb5 17.ab6 cb6 18.Qa2+–) 16.Qc2 Kd7 17.Ne5 Ke8 18.Rc1 c5 19.bc6 f6 20.Nd7 Nc6 21.Nf6 Kf7 22.Nh7 Nd4 23.Qc7 Rd7 24.Qd6 Rd6 25.Rc7 Ne7 26.Ng5 Kf6 27.Nf3 Nec6 28.Nd4 Nd4 29.Kd2 Bg4 30.f3 Bf5 31.e4 de4 32.fe4 Bg4 33.Rf1 Ke5 34.h3 Be2 35.Rf2 h4 36.Re2 Nb3 37.Ke3 Nc1 38.Rd2 Nb3 39.Rd1 Kf6 40.Rb1 Na5 41.Ra7 Nc6 42.Rb7 Ne5 43.Bf1 hg3 44.R7b6 Rd7 45.a5 g2 46.Bg2 Rd3 47.Ke2 Rg3 48.Rg1 1–0. golfx – tylko3x3, kurnik, 2012.

5.Nd2 Qd7 6.g3 0–0–0 7.Bg2 h6 8.c4+= e6 9.b5 ab5 10.cb5 Na7 11.a4 Bb4 (11...Nf6 12.Rc1+=) 12.Ngf3 (12.Bg7 Rh7 13.Bd4 b6+–) 12...Rh7 (12...Nf6 13.Rc1+/–) 13.Kf1 (13.Ne5 Qe7+/–) 13...Bd2 (13...Kb8 14.Ne5 Qe7 15.g4+=) 14.Qd2+/– Bg4?? (14...f6 15.Bd4 Kb8 16.b6 cb6 17.Bb6+/–) 15.Rc1 (15.Ne5 Be2 16.Ke2 Qe8+–) 15...Ne7?? (better is 15...f6+/–) 16.b6 (16.Ne5!? Qd6 17.Ng4 f6+–) 16...Nac6 17.bc7 Qc7 18.Nd4 Qd6? 19.Nc6?? Nc6+/– 20.a5 Kc7 21.e4 Ra8 Exerts pressure on the isolated pawn 22.f3 Bh5+= 23.f4 Ra5?? 24.Be5+– Qe5 25.fe5 Ra6 26.ed5 ed5 27.Bd5 Kd7 28.Bc6 bc6 29.d4 Rh8 30.Kg2 Rha8 31.Rc2 Bg6 32.Rhc1 Bc2 33.Rc2 g5 34.d5 c5 35.e6! fe6 36.de6 Ke7 37.Qd7 Kf6 38.Rf2 Kg6 39.Qf7# 1–0. golfx – tylko3x3, kurnik, 2012.

5.Nd2 e6 6.Ngf3 Nf6 7.g3 h6 8.Bg2 Bd6 9.0–0 Qd7 10.c4 0–0 (10...Be7 11.e4 de4 12.de4 Ne4 13.Ne4 Qd1 14.Rad1 Be4 15.Bg7+=) 11.c5 (better is 11.e4!? de4 12.de4 Ne4 13.Ne4 Be4 14.c5+/–) 11...Be7= 12.e4 de4 13.Ne4 Be4 14.de4 Qd1 15.Rad1 Ne4 16.Rd7 Rac8 17.Ne5 Ne5? (better is 17...Bf6 18.Be4 Be5 19.Bc6 Bb2 20.Bb7 Rcd8 21.Rc7 Ba3 22.Ba6 Bb4+/–) 18.Be5+– Nf6 19.Bb7 Nd7–+ 20.Bc8 Ne5 21.Ba6 Ra8 22.b5 c6 23.a4 Bc5 24.Rc1 Nd3 25.Rc3 cb5 26.ab5 Rd8 27.b6 Bf2 28.Kg2 Bb6 29.Rd3 Rd3 30.Bd3 f6 31.h4 Kf8 32.g4 Ke7 33.Kf3 Kd6 34.Ke4 Bf2 35.h5–/+ Kc5 36.Ba6 e5 37.Bc8 Kd6 38.Bf5 Ke7 39.Bg6 Ke6 40.Bh7 Ke7 41.Bg8 Bh4 42.Kf5. golfx – lucyna545, kurnik, 2011.

5.Nd2 e6 6.g3 Bd6?? (6...Nf6 7.Bg2=) 7.Bg2?? (better is 7.e4 Bg6 8.Bg7+–) 7...f6 8.Ngf3 Qe7 9.e4 de4 10.de4 Bg4 11.h3 Bf3 12.Bf3 0–0–0 13.0–0 Be5 14.Be5 Ne5 15.Qe2?? Nf3 16.Nf3+= e5 17.c4 Qe6 18.b5 a5 19.Kg2+= Ne7 20.c5 f5 21.ef5+/– Nf5 22.Qe5 Qe5 23.Ne5 Rhe8 24.f4 Rd2 25.Rf2+/– Rd5 26.Rc1 g6 27.b6+– c6 28.Rc4?? Ne3 29.Kf3 Nc4 30.Nc4–/+ Rc5 31.Nd6= Kd8?? 32.Nb7+– Kc8 33.Nc5 Rd8 34.Ke3 Re8 35.Ne4 Kb7 36.Rc2 Kb6 37.Rc5 Re4+/– 38.Ke4 Kc5 39.g4 White plans f5 39...Kc4?? 40.f5+– Kb3 41.f6 c5 42.f7 c4 43.f8Q c3 44.Kd3 c2 45.Kd2 Kb2 46.Qf6 Kb1 47.Qb6 Ka2 48.Kc2 Ka3 49.Qb3# (49.Qa5#) 1–0. golfx – tylko3x3, kurnik, 2012.

4.g3 e5

5.e3 Nf6 6.b5 ab5 7.Bb5 Bd6 8.Bc6 bc6 9.Nf3 Qe7 10.0–0? (better is 10.d4 e4 11.Ne5–/+) 10...Bg4–+ 11.Kg2?? (11.h3 Bh3 12.c4 Bf1 13.Qf1 e4–+) 11...Qe6 (better is 11...e4 12.d3 Bf3 13.Qf3 ef3 14.Kf3 0–0–+) 12.Qe1 Bh3 13.Kg1 Bf1 14.Qf1 0–0 15.d4 e4 16.Nh4 Nd7 17.Nc3 f5 18.Ne2 Rab8 19.Bc1 Rf7 20.Kg2?? c5 21.f3 c4 22.f4 Nb6 23.Ng1 Ra8 24.Nh3 h6 25.Qe2 Qe7 26.Qh5 Nd7 27.Nf5 Qf6 28.Nh4 Re8 29.g4 Re6 30.Qd5= c6 31.Qh5 g5 32.Nf5 Qg6? 33.Qg6+– Rg6 34.fg5 hg5 35.Nd6 Rd6 36.Ng5 Rg7 37.Ne4 Rg4 38.Ng3 Nf6 39.Kf3 Rg6 40.a4 Nd5? 41.a5 Rdf6 42.Ke2?? Nc3? 43.Kd2 Nd5 44.Ke1 Rh6 45.Nf1?? Rfg6?? 46.a6+– Nc7 47.a7 Rg2 48.a8Q Na8 49.Ra8 Kf7 50.Ng3 Rc2 51.Bd2 c3= 52.Ra7 Ke8 53.Ra8 Kd7 54.Ne4 cd2 55.Nd2?? Rh2–+ 56.Ra7 Kd6 57.Ne4 Kd5 58.Nf6 Ke6 59.Kd1 Rcg2 (59...Rcg2 60.d5 Kf6 61.Rf7 Kf7 62.dc6 Rh1#) 0–1. swislina – antonioag, kurnik, 2012.

5.Bg2 d4 6.d3 Bd7 7.c3 Nf6 (7...dc3 8.Nc3 Bd6 9.Nf3=) 8.cd4+= ed4 9.Nd2 Be7 10.Ngf3 Be6 11.Nb3 Will d4 fall? 11...Bb3 12.Qb3 0–0 (12...Qd6 13.Qc4 Rd8 14.Rc1+=) 13.0–0 (13.Qc4 Nd7 14.Nd4 Nd4 15.Bd4 c6+/–) 13...h6 (13...Qd6 14.Nh4 Rad8 15.Nf5+/–) 14.Rac1 (14.Qc4+/–) 14...a5? (better is 14...Qd7!?+/–) 15.b5+– Na7 16.Nd4 Rb8 17.Nf5 Re8 18.Ne7 Re7 19.Bf6 gf6 20.a4 (20.e3!? c6 21.bc6 bc6+–) 20...Re2 21.Bf3 Re7 22.Qb2 Qd6 23.Rcd1 Nc8 24.Qd2 Kg7 25.Bg2 b6 26.Qc2 Qd4 27.Rde1 Rd7 28.Rd1 Nd6 29.Bh3 Re7+= 30.Bg2 Rbe8 31.Be4 Ne4+= 32.de4 Qe4 33.Qe4 Re4 34.Rd7 Ra4–+ 35.Rc7 Rb4 36.Rb7 Rb5 37.Ra1 Re4 38.Kg2 a4 39.Ra7 Ra5 40.Rb7? b5–+ 41.Kf3 Rc4 42.Kg2 b4 43.h4 b3 44.Rb3 ab3 45.Ra5 Rb4 46.Ra1 b2 47.Rb1 f5 48.Kf3. diablo005 – nomet, kurnik, 2012.

5.Bg2 Bd6 6.e3 (6.Bd5!? Qd7 7.c4+=) 6...Nf6+= 7.Ne2 0–0 8.0–0 Be6 9.d3 Qd7 10.Nd2 Bh3 11.c4 Bg2 12.Kg2 Qg4 13.cd5 Ne7 (better is 13...Nd5!? 14.Nc3 Qd1 15.Rad1 Nc3 16.Bc3 Rad8=) 14.e4+/– Ng6 15.h3 Qg5 (better is 15...Qd7!?+/–) 16.Nf3+– Qh5 17.Nc3 (better is 17.Bc1+–) 17...Nf4?? (better is 17...Rfe8+/–) 18.gf4+– ef4 19.Kh2 Ng4 20.Kg2 Ne5?? 21.Rh1 Nf3 22.Qf3 Qg5 23.Kf1 Rfe8 24.Rg1 Qh6 25.Na4 f6 26.Nc5 Be5 27.Be5 fe5 28.Ne6 Re7 29.Ke2 c6 30.dc6 Qe6+= 31.cb7 Rb7 32.Rac1 Rd8 33.Rc3?? Qa2–+ 34.Kf1 Qa1 35.Kg2 Qc3 36.Kh2 g6 37.Rd1 Qd4 38.Qg4 Rc7 39.Qe6 Kg7 40.Qg4 Rc2 41.Qf3 Rf2 42.Qf2 Qf2 43.Kh1 Qg3 44.Rf1 f3 45.a4 Qg2# 0–1. diablo005 – jav8808, kurnik, 2012.

5.Bg2 Bd7 6.e3 (6.Bd5!? Nf6 7.Bg2+=) 6...Nf6+= 7.Ne2 Be7 8.d3 e4 (8...0–0 9.0–0=) 9.0–0 (9.de4 de4 10.Nd2 Bf5+=) 9...Bg4 10.Nd2 b5 (10...Qd6 11.de4 de4 12.Qe1+=) 11.Re1 (11.de4 0–0+–) 11...0–0 (11...ed3 12.cd3 a5 13.Qc2+=) 12.Qc1 (12.de4 Be6+/–) 12...Bd6 (12...a5 13.de4 ab4 14.ab4 Nb4 15.Ra8 Qa8 16.ed5 Nfd5 17.h3=) 13.Nd4 (better is 13.de4!? Ne4 14.Ne4 de4 15.Be4+/–) 13...Nd4= 14.Bd4 Qd7? (better is 14...Re8+=) 15.Bf6+– gf6 16.de4 de4 17.Ne4 Bh3?? 18.Nf6 (18.Nf6 Kg7 19.Qb2+–) 1–0. diablo005 – keydon, kurnik, 2012.

5.Bg2 Nf6 6.d3 Bf5 7.Nd2 Be7 8.c4 0–0 (better is 8...d4!?=) 9.cd5+= Nd5 10.Nb3 (10.e4!? Ndb4 11.ab4+/–) 10...Bg6 11.Nf3 f6 12.Nh4 Bf7 13.Nf5 Re8 14.Ne7 Re7 15.0–0 b6? (15...Ra7 16.Rc1=) 16.e3 (16.e4 Ndb4 17.ab4 Nb4+/–) 16...Qd7 (16...Re6 17.Rc1=) 17.Rc1 (17.e4 Ncb4 18.ab4 Nb4+/–) 17...Na7 18.Qe2 Nb5 19.Rfd1 Ne3? 20.Qe3 Bb3 21.Rd2?? Rd8 22.Bc6 Qd6 23.Be4 Bd5 24.Rcd1 Nd4 25.Bd4+= ed4 26.Qf3 Be4 27.de4 c5 28.bc5 bc5 29.Qb3 Kf8 30.Qc4 Qb6 31.Rd3 Re4–+ 32.Rc1 Rc8 33.Qd5 Qe6?? 34.Qh5?? Re1–+ 35.Re1 Qe1 36.Kg2 Kg8 37.Qd5 Kf8 38.Qd6?? Qe7–+ 39.Qd5? Rd8 40.Qf3 Re8 41.Rd1 Qe4 42.Qe4 Re4 43.h3 c4 44.h4 d3 45.f3 Re2 46.Kh3 d2 47.Kg4 c3 48.f4 Re1 49.Kf3 Rd1 (49...Rd1 50.Ke4 Re1 51.Kd5 d1Q 52.Kc6 Re6 53.Kc5 Qa4 54.h5 Rc6 55.Kd5 Qc4#) 0–1. diablo005 – urquelb, kurnik, 2012.

5.Bg2 Nf6 6.Nf3 Bd6 7.0–0 Be6 8.d3 h6 9.Nbd2 Qd7 10.c4 d4 11.c5 Be7 12.a4 0–0 13.b5 ab5 14.ab5 Nb4 15.Ra8 Ra8 16.Ne5 Qb5 17.Bd4 Ng4 18.Ng4 Bg4 19.Ne4 c6 20.Qd2 Bf5 21.Nc3 Qa5 22.Ne4 Be4 23.Be4 Bc5 24.Bc3 Qa2 25.Bb4 Bb4 26.Qb4 Re8 27.Qb7 c5 28.Bd5 Rf8 29.Ba2 1–0. rryy44 – asaltar30, kurnik, 2012.

5.Bg2 Nf6 6.Nf3 Bd6 7.d3 Be6 8.0–0 h6 9.Nc3 g5 10.b5 ab5 11.Nb5 g4 12.Nh4 Be7 13.e4 d4 14.Nf5 Rh7 15.Ne7 Qe7 16.a4 0–0–0 17.Ba3 Qd7 18.c4 dc3 19.Nc3 Nd4 20.Nb5 Nf3 21.Kh1 Kb8 22.Rc1 c6 23.Nd6 h5 24.Rb1 Qe8 25.Ne8 Re8 26.Bf3 gf3 27.Qf3 h4 28.Qf6 hg3 29.fg3 Rg8 30.Rb2 Rg3 31.Qe5 Ka8 32.Qg3 1–0. rryy44 – sqamosa, kurnik, 2012.

5.Bg2 Be6

6.Nc3 Nf6 7.b5 ab5 8.Nb5 Ra5 9.a4 Bd6 10.Bc3 Ra8 11.d3 0–0 12.Nf3 h6 13.0–0 d4 14.Bb2 Ne7 15.a5 Bb4 16.a6 ba6 17.Ne5 ab5 18.Ba8 Qd6 19.Nf3 Bc5 20.Nd2 c6 21.Ne4 Ne4 22.de4 Bh3 23.Re1 Nc8 24.e3 de3 25.Qd6 ef2 26.Kh1 fe1Q 27.Re1 Bd6 28.Bc6 b4 29.c4 Nb6 30.Bd5 Rc8 31.Rc1 Bg4 32.Kg2 Nd5 33.ed5 Bf5 34.Bd4 Be4 35.Kf2 Bd5 36.c5 Be7 37.Ke3 Bg5 0–1. rryy44 – victortm, kurnik, 2012.

6.e3 Bd6 7.Ne2 Nge7 8.d3 0–0 9.Nd2 f5 10.0–0 Qd7 11.Nf3 e4 12.de4 (12.Ng5!?=) 12...fe4+= 13.Ng5 Bf5 (13...Ne5 14.Ne6 Qe6 15.Nf4+=) 14.Nd4 (14.c4 dc4 15.Ne4 b5=) 14...Nd4 (better is 14...h6 15.Nf5 Qf5–/+) 15.Qd4+= Nc6? (better is 15...Rf6 16.f3 ef3 17.Bf3 c6+=) 16.Qd5+– Kh8 17.Ne4 Be4 18.Be4 Rf7?? (18...Rae8 19.Rad1+–) 19.Qd3 (better is 19.Qh5 h6 20.Qh6 Kg8 21.Qh7 Kf8 22.Qh8 Ke7 23.Qa8+–) 19...h6 20.Qe2 Raf8 21.Bd5 Rf5 22.e4 Rg5 23.Bc1?? Rg6?? 24.Qh5 Rgf6? 25.Bb2 Rf3 26.e5 Be7?? 27.Bf3 1–0. diablo005 – ednelsonam, kurnik, 2012.

6.Nf3 Bd6 7.0–0 f5 8.e3 Nf6 9.Nc3 0–0 10.b5 ab5 11.Nb5 f4 12.Nd6 Qd6 13.ef4 ef4 14.Qe2 Rae8 15.Qd3 Ne4 16.Nd4 Nd4 17.Qd4 c5 18.Qg7 1–0. chybol3 – tmks, kurnik, 2012.

6.Nf3 e4 7.Nd4 Nd4 8.Bd4 b6 9.e3 c5 10.bc5 bc5 11.Bc3 Nf6 12.0–0 Be7 13.d3 0–0 14.de4 Ne4 15.Bb2 Rb8 16.Qc1 Bf6 17.Bf6 Qf6 18.c3 Bf5 19.a4 Rfd8 20.a5 Rd6 21.f3 Ng5 22.e4 Bh3 23.f4 Bg2 24.e5 Qf5 25.ed6 Bf1 26.Qf1 Ne4 27.Qd3 c4 28.Qd4 Nd6 29.Nd2 Nb5 30.Qe5 Qe5 31.fe5 Nc3 32.Nf3 Rb1 33.Rb1 Nb1 34.Nd4 Kf8 35.Kf2 Ke7 36.Ke3 f6 37.ef6 gf6 38.g4 h6 39.h3 Na3 40.Nf5 Ke6 41.Nh6 Ke5 42.Nf7 Ke6 43.Nd8 Kd7 44.Nf7 Ke7 45.Nh6 Ke6 46.Kd4 Nc2 47.Kc3 Ne3 48.Kd4 Nc2 49.Kc3 Ne3 50.Kd2 d4 51.Nf5 c3 52.Kc1 Nf5 53.gf5 Kf5 54.Kc2 Ke4 55.h4 1–0. rryy44 – ihabz, kurnik, 2012.

6.Nf3 e4 7.Nd4 Nd4 8.Bd4 Nf6 9.0–0 c6 10.Nc3 Be7 11.Na4 0–0 12.Nb6 Rb8 13.Be5?? (13.f3 ef3 14.Bf3 Ne4+=) 13...Bd6?? (better is 13...Qb6 14.Bb8 Rb8–+) 14.Bd6 Qd6 15.Na4 Nd7 16.d3 f5 17.de4 fe4 18.Be4 Qe5 19.Bf3 Nf6 20.Nc5+= Bf7 21.e3 Bg6 22.Rc1 Rf7 23.c4 dc4 24.Bg2 Rbf8 25.Rc4+/– Bh5 26.Qd4 Qf5 27.f4?? Be2= 28.e4 Qc8 29.e5 Bc4 30.Qc4+/– Nd5 31.Bd5 cd5 32.Qd5 Rd8 33.Qe4 White prepares e6 33...b6 34.e6 Re7–/+ 35.Nb7? Rd2?? 36.Qe3?? Qc2 37.Rf2 Rf2 38.Qf2 Qf2 39.Kf2 Rb7 40.f5 Kf8 41.g4 Ke7 42.h4 h6 43.Kf3 Kf6 44.Kf4 White plans g5 44...Rc7 45.g5 hg5 46.hg5 Ke7 47.Ke5 Rc1 48.f6 gf6 49.gf6 Ke8 50.Kd6 Rd1 51.Kc7 Re1 52.Kd6 b5 53.f7 Kf8 54.Kd7 Rd1 55.Kc6 Ke7 56.Kb6 Rd6 57.Kc7 Re6 58.a4 ba4 59.Kb7 Kf7 60.Kc7 a3 (60...a3 61.b5 a2 62.Kb7 ab5 63.Kc7 a1Q 64.Kb7 b4 65.Kc8 Re7 66.Kd8 Qh8#) 0–1. rryy44 – obrad, kurnik, 2011.

3.a3 e5

4.b5 ab5–/+ 5.g3 b4 6.a4 Nf6 7.Bg2 d5 8.Nf3 e4 9.Nd4 Nd4 10.Bd4 c5 11.Bb2 Be7 12.c3 bc3 13.Bc3 0–0 14.0–0 Bd7 15.d3 ed3 16.Qd3 Ra4 17.Ra4 Ba4 18.Nd2 Qd6 19.Nf3 Bc6 20.Rd1 d4 21.Bd2 h6 22.Be1 b5 23.e3 Bf3 24.Bf3 b4 25.ed4 Qd4?? 26.Qd4?? cd4–+ 27.Rd4 Rb8 28.Bd1? Ne8 29.Bb3–/+ Nc7?? 30.Rd7+= Re8?? 31.Rc7+– Bd6 32.Rc6 Re1–/+ 33.Kg2 Be7 34.Rc7 Bf8?? 35.Kf3?? Rb1 36.Bf7+= Kh7 37.Bg6?? Kg8 38.Rc8. giorgo – cineks1992, kurnik, 2012. 4.Nc3 d5 5.e4 (5.e3 Nf6=+) 5...de4 (5...d4 6.Nd5=+) 6.Ne4= Bf5 (6...Be6 7.Nf3=) 7.d3 (7.Bd3 a5=) 7...Be7 (7...Nf6 8.Nf3 Ne4 9.de4 Be4 10.Qd8 Rd8 11.Ne5 Ne5 12.Be5=+) 8.Nf3= Nf6 (8...Qd5 9.Qe2=) 9.Qe2 (9.Ne5!? Ne5 10.Be5 Ne4 11.de4 Be4 12.Qg4+=) 9...Be4 (9...Bg4 10.Nf6 Bf6 11.Qe4 Bf3 12.Qf3=) 10.de4 Bd6 (10...Nd4 11.Nd4 ed4 12.e5=) 11.g3 0–0= 12.Bg2 Re8 13.0–0 Qe7 14.c4+= b6 15.Rfc1 Qe6 16.Rd1 Ng4? 17.h3 Nf6+= 18.Rac1 h5 19.c5 bc5+= 20.bc5 Be7 21.Ng5 Qa2 22.Rc3?? Rab8?? 23.Rd2 Nd4=+ 24.Qc4 Rb2 25.Qa2+/– Ra2 26.Ra2 Nd7 27.Nf3 Bc5+= 28.Kf1 Nf3 29.Bf3+/– Bd4 30.Rc7+– Nf6 31.Rac2 Bb6 32.R7c6 Bd4 33.Ra6 g5 34.Rf6 Rb8 35.Bh5 Rb1 36.Kg2 Kg7 37.Rf7 Kh6 38.Bg4 Kg6 39.Be6 Rb6 40.Bd5 Rd6 41.Rfc7 Bb6 42.R7c6 Rc6 43.Rc6 Kh5 44.Rb6 g4 45.Bf7 Kg5 46.h4# 1–0. Choong,Yita – Miranda,Adrian, AUS–ch U12 Sydney, 2002.

4.Nc3 d5 5.e4 de4 6.Ne4= Bf5 7.d3 Be7 8.Nf3= Nf6 9.Qe2 Be4 10.de4 Bd6 11.g3 0–0= 12.Bg2 Re8 13.0–0 Qe7 14.c4+= b6 15.Rfc1 Qe6 16.Rd1 Ng4? 17.h3 Nf6+= 18.Rac1 h5 19.c5 bc5+= 20.bc5 Be7 21.Ng5 Qa2 22.Rc3?? Rab8?? 23.Rd2 Nd4=+ 24.Qc4 Rb2 25.Qa2+/– Ra2 26.Ra2 Nd7 27.Nf3 Bc5+= 28.Kf1 Nf3 29.Bf3+/– Bd4 30.Rc7+– Nf6 31.Rac2 Bb6 32.R7c6 Bd4 33.Ra6 g5 34.Rf6 Rb8 35.Bh5 Rb1 36.Kg2 Kg7 37.Rf7 Kh6 38.Bg4 Kg6 39.Be6 Rb6 40.Bd5 Rd6 41.Rfc7 Bb6 42.R7c6 Rc6 43.Rc6 Kh5 44.Rb6 g4 45.Bf7 Kg5 46.h4# 1–0. Choong,Yita – Miranda,Adrian, AUS–ch U12 Sydney, 2002.

4.c4 b5 5.cb5 ab5 6.e3 Ba6 7.Nc3 Nf6 (7...Rb8!?+=) 8.Bb5+/– Bb5 9.Nb5 Be7 10.Nf3 d6 (10...Qb8!? 11.Qe2 e4+/–) 11.Rc1 0–0?? (better is 11...Ra6+/–) 12.Rc6+– Nd5 (12...Qb8 13.Nc7 (13.Rc7?! Nd5+–) 13...Ra7 14.Qc2+–) 13.Qb3 Nf6 14.0–0 Ne4 15.Nc7 Rc8 16.Rfc1 Qd7 17.Qd3 f5 18.Ne5! Qd8 19.Qd5 Kh8 20.Nf7 Rf7 21.Qf7 Bf6 22.Ne8 h6 23.Bf6 Qf6 24.Nf6 Nf6 25.Rc8 Kh7 26.R1c7 Nh5 27.Qf5 1–0. Fournier,Frederic (2450) – Bylka, echecsemail.com, 2010.

4.c4 b5 5.e3 bc4 6.Bc4 d5 7.Bb3 d4 8.Qf3 Bb7?? 9.Qf7# 1–0. mtr – Wichtel4, internet, 2001.

4.c4 d5 5.b5 Na5 A) worse is 6.Be5 Nc4 (6...dc4?! 7.Nc3+=) 7.Bd4 ab5–/+; B) 6.cd5 Nc4 7.Qc2 Nb2 8.e4=.

4.c4 d5 5.b5 ab5 6.cb5= Nd4 (6...Na7!?=) 7.e3+= c5? (better is 7...Ne6!? 8.Be5 Nf6+=) 8.ed4+– ed4 9.Bd3 (9.Qe2 Be7+/–) 9...Nf6+/– 10.Qe2 Be7 11.Qe5 (better is 11.Bc2!?+/–) 11...0–0+= 12.Nf3 Bd6 13.Qg5 Re8 14.Kf1 Qe7 15.g3?? (better is 15.Kg1=) 15...Bh3 16.Kg1 Qe1!! 17.Ne1 Re1 (17...Re1 18.Bf1 Rf1#) 0–1. ludice (1730) – krainaoz (1755), kurnik, 2011.

4.c4 d5 5.c5 d4 6.e3 Nf6 7.d3 Be7 8.Be2 0–0 9.Nf3 Bg4 (9...de3 10.fe3 Nd5 11.Qd2+=) 10.0–0 Bf3 11.Bf3 Nd5 (better is 11...Re8!?+=) 12.Qb3+– Nf6 13.e4 (better is 13.Bc6 bc6 14.ed4 ed4 15.Re1+–) 13...Qd7 14.Nd2 Rad8 15.Nc4 h6 16.h3 Nh7 17.Bc1 Bg5 18.Bg4 Qe7 19.Bg5 Qg5 20.Rae1 h5 21.Bf3 Rfe8 22.a4 White plans b5 22...Re6 23.Kh2 Nf6 24.b5 ab5 25.ab5 Ne7 26.Rg1 Ng4 27.Bg4 hg4 28.g3 Rh6–/+ 29.Rh1 Rh3 30.Kg2 Qf6 31.Qd1 Rh1 32.Rh1 Ra8 33.Qg4 Ra2 34.Rf1 Ng6? 35.Qc8+– Nf8 36.Qf5?? Qe7 37.Rh1 Qc5?? 38.Qh3 f6–/+ 39.Qh8 Kf7 40.Qh5 Kg8 41.Qf3?? Qb5–+ 42.Rd1 Qb3 43.Rd2 b5 44.Ra2? Qa2 45.Qd1 bc4 46.dc4 Qc4 47.Qd2 d3 48.Qe3 (48.Qe3 Qc2 49.g4–+). gjilanasi71 (1775) – hetemi (1885), kurnik, 2012.

4.c4 d5 5.cd5 Qd5 6.d3 =.

4.c4 Nge7 5.e3 d5 6.b5 ab5 (6...Na5 7.cd5 Qd5 8.Nc3=) 7.cb5+= Bd7? (better is 7...Na5 8.Be5 Nc4+=) 8.bc6+– Nc6 9.Bb5 (9.Qb3 Bc8+–) 9...Bd6 10.Nf3 (10.Qb3 d4+–) 10...f6 (10...e4 11.Nd4+/–) 11.Bc6 bc6 12.d3+– 0–0 13.0–0 Qe7 14.Qc2 Rfb8 15.Nbd2 Ba3 16.Ba3 Ra3 17.Ra3 Qa3 18.Rb1 Rb1 19.Nb1 Qb4 20.h3 Kf7 21.Nbd2 Ke7 22.Kh2 c5 23.Qb3 Kd6? 24.e4 Qb3+= 25.Nb3 Ba4 26.Nbd2 c6 27.g4 Bb5 28.Ne1 Kc7 29.Kg3 g5 30.h4 h6 31.hg5 hg5 32.Kf3 Kb6 33.Ke3 Ka5+= 34.Nc2 Ka4 35.Nf3 Kb3 Black plans c4 36.Kd2 c4 37.dc4 Bc4 38.ed5 cd5 39.Ne3 d4 40.Nc4 Kc4 41.Ne1 e4= 42.Nc2 Kd5 43.Nb4 Ke5 44.Nc2 Kd5 45.Nb4 Kc4 46.Nc6+/– Kd5 47.Nb4 ˝–˝. ludice (1620) – krainaoz (1740), kurnik, 2011.

4.c4 f6 5.Nf3 d5 6.cd5 Qd5 7.Nc3 Qf7 8.e4 Be6 9.Be2 Rd8 10.0–0 Bc4 (10...Bd6 11.b5 Nd4 12.ba6=) 11.h3 Nge7 12.d3 Be6 13.Qc2 Ng6 14.Rfd1? (better is 14.Bc1!?=) 14...Nf4 15.Bf1 (15.Nd5 Nd5 16.ed5 Bd5 17.Rdc1–+) 15...h5 (15...Bb3!? 16.Qd2 Bd1 17.Rd1–+) 16.Bc1 g5 17.Bf4 gf4 18.b5? ab5 19.Nb5 Rd7 20.a4? Bc5?? 21.Qc5+– Rg8 22.Kh2 f5 23.Nh4 fe4 24.de4 f3 25.Nf3 Qf4 26.Kh1 Bh3 27.Qe3 Qe3 28.fe3 Bg4 29.Rd7 Kd7 30.Nc3 Rf8 31.Nh4 Nb4? 32.Nf5! c6 33.Be2 Bf5 34.ef5 Rf5 35.Rf1 Rg5? 36.Rf7 Kd6 37.Ne4 Ke6 38.Ng5 Kd6 39.Rb7 Nc2 40.a5 Ne3 41.a6 Nd5 42.a7 Nc7 43.Rc7! Kc7 44.a8Q Kd6 45.Qh8 h4 46.Qh4 c5 47.Qh6 Kd5 48.Bf3 Kd4 49.Qd6 Kc4 50.Qe5 Kb4 51.Qb2 Kc4 52.Be2 Kd5 53.Qb3 Kd6 54.Qd3 Kc6 55.Bf3 Kb6 56.Qc4 Kc7 57.Qc5 Kd7 58.Bg4 Ke8 59.Qc7 Kf8 ˝–˝. bratek55 (1660) – porto1234 (1655), kurnik, 2011.

4.c4 Nf6 5.b5 Na5 6.e3 d6 7.Nf3 Be7 8.Be2 0–0 9.0–0 Re8 10.d4 ed4 11.Nd4 Ne4 12.Nd2 Nd2 13.Qd2 Bf6 14.Qa5 1–0. marvis (1710) – vdomcia, kurnik, 2012.

4.c4 Nf6 5.e3 d6 6.Be2 Be7 7.Nc3 0–0 8.Nf3 Be6 9.0–0 Qd7 10.Ng5 h6 11.Ne6 fe6 12.Qc2 b5? 13.cb5+– ab5 14.Bb5 d5? 15.Nd5! ed5 16.Bc6 Qg4 17.Ba8 Ra8 18.Qc7 Qe6 19.Qe5 Qe5 20.Be5 Ng4 21.f4 Rf8 22.b5 Bd8 23.a4 Ba5 24.Ra2 Bb6 25.a5 Bc5 26.b6 Ra8 27.b7 Re8 1–0. Deline,R – Kepka,V, Kirkland Lake, 1988.

4.c4 Nf6 5.e3 Be7 6.b5+= Na5 7.ba6 Ra6 8.Be5 d6 9.Bf6 Bf6 10.d4 c5 11.Nf3 cd4 (11...Bg4 12.h3 Bf3 13.Qf3 cd4 14.Nd2=) 12.Nd4+= Nc6 13.Nc3 (13.Nc6 bc6 14.Ra2 Qa5 15.Qd2 Bf5 16.Qa5 Ra5=) 13...Qa5 (13...Nd4 14.ed4 0–0 15.Be2=) 14.Qd2 Nd4 15.ed4 Bg5 16.Qc2 0–0 (16...Bf6 17.Qe2 Kd8 18.Qd2=) 17.Bd3 (17.Kd1 Bh4 18.f3 Bf6=) 17...Re8 (17...Bf6 18.Rd1 g6 19.Be4+=) 18.Kf1+= Bf6 19.Bh7 Kf8 20.Rd1 g6 21.Nd5 Bd4 22.Nb4 Rb6 23.Qd3? Qh5–+ 24.Qd2 Bc5 25.Bg6 Qg6 26.Qc3 Qh5 Threatening mate... how? 27.Rd2 Qh4 28.h3 Re4 29.g3 Bh3 30.Kg1 Re1 31.Kh2 0–1. b4_player – opponent, gamecolony.com, 2007.

4.c4 Nf6 5.Nf3 e4 6.Nd4 Be7 7.Nf5+= 0–0 8.d3 d6 9.Ne7 Qe7 10.e3 a5 11.b5+= (11.Nd2–/+) 11...Ne5 (11...Bg4 12.Qc2 ed3 13.Bd3=) 12.d4= Bg4 (12...Neg4 13.Nc3 Nh6 14.Qc2=) 13.Qc2 Ned7 14.h3 Bh5 15.Nc3 h6 (15...Nb6 16.Ne2+=) 16.Ne2 Bg6 17.Nf4 Bf5 18.g4 Bh7 19.Be2 (19.Bg2 Nb6=) 19...g5 20.Ng2 Qe6 21.h4 c6 (21...d5 22.0–0–0=) 22.hg5+= hg5 23.bc6 (23.Rc1 Rfc8 24.bc6 bc6=) 23...bc6 24.a4 Rfb8 25.Bc3 c5 26.Qd1 Qe7 27.Qd2 Qe6= 28.Rd1 Rb3 29.Rc1 Rab8 30.Ba5 Ng4–/+ 31.Qd1 Ndf6 32.Bc7 R8b4 33.a5 Rd3 34.Bd3+= ed3 35.0–0 Bf5 36.Bd8 Ne4 37.f3 Ngf2 38.Rf2 Nf2 39.Qd2 Nh3–/+ 40.Kh2 d5 41.dc5 Rc4 42.Bc7 Qh6 43.Rc4 dc4–+ 44.Kg3 g4 45.Nh4 Bc8 0–1. Sternik,Ryszard (1765) – Inving,Yugi, FICGS, 2008.

4.d3 Ra7 5.Nf3 f6 6.g3 Ra8 7.Nbd2 Ra7 8.Bg2 Ra8 9.c4 b6 10.Nb3 Ra7 11.0–0 Ra8 12.b5 ab5 13.cb5 Nb8 14.a4 Nc6?? (14...Bb7 15.Qc2+=) 15.Qc1 (15.bc6 d5+–) 15...Nd4?? (better is 15...Na5 16.Na5 Ra5+/–) 16.Nfd4+– ed4 (16...Ra7 17.Nc2 d5+–) 17.Ba8 Bb7 (17...Nh6+–) 18.Bb7 1–0. linakip – patryczek803, kurnik, 2011.

4.d3 b5 5.Nf3 Bd6 6.e3 Bb7 7.Be2 Nf6 8.c4 Ng4 9.h3 Nf6 10.c5 Be7 11.0–0 e4 12.Bf6 Bf6 13.de4 Ba1 14.Nbd2 Bf6 15.Nh2 Be5 16.f4 Bc3 17.Qc2 Bd2 18.Qd2 0–0 19.Bd3 a5 20.ba5 Ne7 21.Bb5 Ng6 22.Bd3 Nh4 23.Nf3 Nf3 24.Rf3 d6 25.Rf1 dc5 26.Bc4 Be4 27.Qf2 Qh4 28.Qh4 Rae8 29.Rd1 c6 30.Rd7 Ra8 31.Rd1 Ra5 32.Ra1 Ra4 33.Bb3 Ra5 34.Kf2 c4 35.Bd1 c3 36.f5 Bf5 37.Qb4 Rd5 38.Qc3 Rfd8 39.Bf3 Rd2 40.Kg3 Be6 41.Qc6 f5 42.Qe6 Kh8 43.Qf5 R2d6 44.Be4 Rg6 45.Qg6 hg6 46.Bg6 Rd6 47.Be4 g6 48.Kf3 Rf6 49.Ke2 g5 50.a4 Kg7 51.a5 Re6 52.a6 Re4 53.a7 Re8 54.Kd3 Rd8 55.Kc4 Ra8 56.Kc5 Kf8 57.Kb6 Ke8 58.Kb7 Rd8 59.a8Q Ra8 60.Ra8 Ke7 61.Kc6 Kf6 62.Kd5 Kf5 63.Kd4 Kg6 64.g3 Kh5 65.g4 Kh4 66.Ra6 Kh3 67.Ra5 Kg4 68.Ra6 Kh4 69.Ra5 g4 70.Ra2 g3 71.Ke4 Kh3 72.Kf4 g2 73.Kf3 g1 74.Ke4 1–0. chocobom – shuhey, kurnik, 2012.

4.d3 Be7 5.Nd2 d6 6.g3 h6 7.Bg2 Nf6 8.Ngf3 Bg4 9.0–0 Nh7 (9...0–0 10.c4=) 10.Rc1 Ng5 11.Re1 0–0 12.h3 (12.d4 Bf6=) 12...Be6 (better is 12...Nh3 13.Kf1 Ng5–/+) 13.Ng5= Bg5 14.e3 Qd7 15.Kh2 f5 16.f4 ef4 (16...Bf6!? 17.fe5 de5=) 17.ef4+= Bf6 18.Bf6 Rf6 19.c4 Rg6 20.Re3 Rb8 (20...Bf7 21.Qa4+=) 21.Qf3 (21.Qa4!?+/–) 21...Nd4= 22.Qf2 b5 23.Nf3 Nf3 24.Qf3 bc4 25.dc4 Qf7 26.Qc6 Rb6 27.Qa8 Kh7 28.Bd5 Bd5 29.Qd5 Qd5 30.cd5+– Rb5 31.Rd3 Rb7 32.Rdc3 Rb5+/– 33.Rd1 Rb7 34.Rc6 Rf6 35.Ra6+– Rf7 36.Rc1 Rb5 37.Ra5 Rb7 38.b5 Re7 39.a4 Re2+/– 40.Kg1 Re3 41.Kf2+– Rd3 42.Ra8 Rd5 43.Rc8 Rc5 44.Rc5+– dc5 45.Ke3 Ra7+/– 46.Kf2 Kg6 47.g4 fg4 48.hg4 Kf6 49.Kg3 Ke6 50.Kh4 Kd6 51.Kh5 Ra4= 52.f5 c4 53.Rd8 Ke7 54.Rd1 c3–/+ 55.Rc1 Rc4 56.Rc2 Kf7 57.Kh4 Kf6 58.Rc1 Ke5 59.Re1 Kf4 60.Rf1 Ke3 61.Re1 Kd2 62.Rg1 c2 63.Rg2 Kd1 64.Rg1 Kd2 65.Rg2 Kc3 66.Rg3 Kb2 67.Re3 (67.Re3 c1Q 68.Rg3 Rc2 69.Rf3 Qh1 70.Rh3 Qe1 71.Kh5 Qe8 72.Kh4 Qd8 73.Kg3 Rc3 74.Kf2 Qd2 75.Kf1 Rc1#). golfx – nehramvrobote, kurnik, 2011.

4.d3 f6 5.Nd2 Bd6 (5...d5 6.Ngf3=) 6.g3 Qe7 7.Bg2 h6 (7...b6 8.Ngf3+=) 8.c4+= Nb4 (better is 8...Qf7!?+=) 9.ab4+– Bb4 10.Ngf3 c5 11.0–0 a5 12.Ba3 Ba3 13.Ra3 Qd6 14.Qa1 Qa6 (14...Qc7 15.Nb3+–) 15.Nb3 a4 (15...Qb6 16.Rb1+–) 16.Nc5 Qa5 (16...Qc6 17.Na4 d5+–) 17.Ra4 Qc5 18.Ra8 Ne7 19.Nh4 0–0 20.Qa7 (better is 20.Bd5!? Kh7+–) 20...Nc6 (20...Qa7 21.Ra7 g5+–) 21.Qc5 (21.Qc5 d6 22.Qd6+–) 1–0. golfx – lomakon, kurnik, 2012.

4.d3 Nf6 5.Nd2 d5 6.Ngf3 Bd6 7.g3 Be6 8.Bg2 h6 9.0–0 0–0 10.c4 b6 11.Qc2 d4 12.c5 bc5= 13.bc5 Be7 14.Rfe1 Rb8 15.e4? Rb5–/+ 16.Reb1 Rc5 17.Qd1 Rb5 18.a4 Rb8 19.Ba3 Rb1 20.Qb1 Ba3 21.Ra3 Qd6 22.Nc4?? Bc4 23.Ra1 Be6 24.Nd2 a5 25.Qc1 Nb4 26.f4 ef4 27.Qe1 Ng4 28.Nc4 Bc4 29.dc4 Nc2 30.Qc1 Na3! 31.c5 Qd8 32.Qa3 Ne3 33.Qa2 fg3 34.hg3 Ng2 35.Kg2 Re8 36.g4 d3 37.Qd2 Re4 38.Kf2 Re2 39.Qe2 de2 40.Ke2 0–1. Dejna,Miroslaw – Koseski,Andrzej, Ferie z szachami Poland, 2010.

4.d3 Nf6 5.Nd2 d6 6.g3 Bg4 7.Bg2 Qd7 8.Ngf3 Be7 9.e4 h6 (9...0–0 10.h3 Bh5 11.0–0=) 10.0–0 Nh5 11.c3 0–0–0 12.c4 f5 13.b5 ab5 14.cb5 Nd4? (14...Nb8 15.Qb3+=) 15.a4 (better is 15.Bd4!? ed4 16.h3 Bf3 17.Qf3+– (17.Bf3?! Nf6+/–)) 15...Nf3+= 16.Nf3 d5? (better is 16...Rhf8!?=) 17.ef5 (17.Ne5 Bd1 18.Nd7 Be2+=) 17...Bf5?? (better is 17...Bf6+/–) 18.Ne5+– Qe8 19.Qf3 Nf6?? 20.Qf5 Kb8 21.Ng6 Bd6 22.Nh8 Qg8 23.Ng6 Qf7 24.Ne5 Be5 25.Qe5 Ng4 26.Qg7 Qh5 27.h3 1–0. golfx – lomakon, kurnik, 2012.

4.d3 Nf6 5.Nd2 Bd6 6.g3 0–0 7.Bg2 Re8 8.Ngf3 e4 9.de4 Ne4 10.Ne4 Re4 11.Qd3 Qe8 12.e3 Rg4 13.c4 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.0–0 h5 17.h3 Rg6 18.h4 d6 19.Rac1 Bf5 20.Qc3 Qc3 21.Rc3 c6 22.Kh2 Rd8 23.f4 d5 24.cd5 cd5 25.Rc5 Bd3 26.Rd1 Bc4 27.Bd5 Rgd6 28.e4 b6 29.Rc4 b5 30.Rc7 Kh8 31.Rf7 Kh7 32.Rc1 Kg6 33.Rcc7 Rg8 34.Rfe7 Rgd8 35.Re6 Re6 36.Be6 Rd2 37.Kh3 Rd3 38.Bf5 Kf6 39.Rc6 Ke7 40.Ra6 1–0. golfx – hadimrch, kurnik, 2012.

4.d3 Nf6 5.g3 d5 6.Bg2 d4 7.Nd2 Bd7 8.c3 Be7 9.cd4 ed4 10.Ngf3 0–0 11.0–0 Be6 12.Qc2 a5? (better is 12...Ng4=) 13.b5+– Na7 14.Nd4 Rb8 15.N4f3?? (better is 15.Rfc1 c6 16.bc6 bc6 17.Bc6+–) 15...Nb5= 16.Nc4 Bc4 17.Qc4 c6 18.a4 Nd6 19.Qb3 b5 20.ab5 Rb5 21.Qa2 Nf5 22.Rfc1 c5 23.Bf1 Qb6 24.Ba3 Nd5?? 25.Ne5 Nb4 26.Qd2 Qe6 27.Nc4 Nd4 28.Rab1 Re8 29.Kg2 Bf6 30.e3 Nf5 31.Bb4 ab4 32.Be2 Rbb8 33.Bf3 Bc3 34.Qc2 Red8 35.Rd1 Nd6 36.Nd6 Rd6?? 37.Be4 1–0. linakip – abdrzej1969, kurnik, 2012.

4.d3 g6 5.Nf3 Bg7 6.g3 Nge7 7.Nc3 d6 8.Bg2 0–0 9.0–0 d5 10.Qd2 Bg4 11.h3 Be6 12.Ng5 Qd7 13.Ne6 Qe6 14.Rfe1 b5 15.a4 Nb4 16.ab5 ab5 17.Nb5 Ra1 18.Ra1 c5 19.c3 Nbc6 20.Qe3 d4 21.Qc1 Rb8 22.c4 Nb4 23.Ba3 Nec6 24.Qd2 Qd7 25.Bc6 Qc6 (25...Nc6!? 26.Bc5 Qh3=) 26.Bb4+= cb4 27.Qb4 Bf8 28.Qd2 e4? (better is 28...Bc5+=) 29.Qf4+– Ra8 30.Ra8 Qa8 31.Qe4 Qa1? (31...Qe4 32.de4 Bc5+–) 32.Kg2 Qe1 33.Nd4 Bc5 (33...Qa5+–) 34.Qe8 Kg7 (34...Bf8 35.Nc6 Qa1 36.Ne5+–) 35.Qe5 (35.Qe5 Kg8 36.Qc5+–) 1–0. Janek – Stephen, internet, 2016.

4.d4 ed4 5.Bd4 (5.Nf3 d5=) 5...Nd4+= 6.Qd4 Nf6 7.e3 d5 8.c4 Be7 9.Nf3 0–0 10.Bd3 (10.Bd3 dc4 11.Bc4+=). tomassic (1915) – ironbutterfly (2160), net–chess.com, 2007.

4.d4 Nd4 5.Bd4 ed4 6.Nf3 +=.

4.e3 b5 5.c4 Bb7 6.cb5 ab5 7.Bb5 f6 8.Nf3 Nge7 9.0–0 Ng6 10.d4 Bd6 11.de5 Be5 12.Ne5 Nge5 13.Nc3 0–0 14.Ne2 Kh8 15.Nf4 Ba6 16.Qe2 Bb5 17.Qb5 Rb8 18.Qe2 Qe8 19.Rfd1 g5 20.Nd5 Qd8 21.Rac1 d6 22.f4 gf4 23.ef4 Ng6 24.Rc6 Nf4 25.Nf4 Qe7 26.Qe7 Rbe8 27.Bf6 Rf6 28.Qf6 Kg8 29.Rc7 Re6 30.Qg7 1–0. vihavald – elektor, kurnik, 2012.

4.e3 b5 5.c4 d6? 6.cb5+/– ab5 7.Bb5 Bd7 8.Be2 d5 9.Nf3 e4 10.Nd4 Nd4 11.Bd4 Ba4 12.Qc1 Nf6 13.Nc3 c6?? (better is 13...Qd7+–) 14.Na4 Ra4 (14...Qd6 15.Nb6 Rd8+–) 15.Qc6 Qd7 16.Bb5 Ra6 (16...Qc6 17.Bc6 Ke7 18.Ba4 Ke6+–) 17.Qa6 Be7 18.Bd7 (better is 18.Qc8 Bd8 19.Bf6 0–0 20.Qd7 Bf6+–) 18...Nd7 19.Qa8 Bd8 20.Qd5 Nf6 21.Bf6 Bf6 22.Qa8 Bd8 23.Rc1 0–0 24.Rc8 Be7 25.Rf8 Bf8 26.0–0 f5 27.Rc1 h6 28.Rc8 (28.Rc8 Kf7 29.Rf8 Ke6 30.Qc6 Ke7 31.Re8 Kf7 32.Qe6#; 28.Qd5 Kh7 29.Qf5 g6 30.Qf8 g5 31.Rc7 Kg6 32.Qf7#) 1–0. aleksandras19 – turkuc49, kurnik, 2012.

4.e3 b5 5.Nf3 e4!? 6.Nd4 Nd4 7.Bd4 Nf6 =.

4.e3 b5 5.Nf3 Nf6 6.Ne5+/– Ne5 7.Be5 d6 (7...Bb7 8.f3+/–) 8.Bf6 (8.Qf3 d5+/–) 8...Qf6 9.Nc3 (9.d4 d5+=) 9...c5 (9...c6 10.Bd3+=) 10.Be2 (10.a4 ba4 11.b5+–) 10...cb4 (10...Bb7!? 11.Bf3 Bf3 12.gf3 Qg5+=) 11.ab4 d5? (11...Bb7 12.Bf3 Bf3 13.Qf3 Qf3 14.gf3+–) 12.0–0 (12.Nd5 Qd6 13.Bb5 Kd8+–) 12...Be6? (better is 12...Bb7 13.Bf3 Qg5+/–) 13.d3?? (better is 13.Bb5 Kd8 14.Bc6+–) 13...Bb4?? (better is 13...Qc3 14.d4 Bd7–+ (worse is 14...Qb4 15.c3 Qb2 16.Qd3–+)) 14.Na2 Bd6–/+ 15.c4 dc4 16.dc4 Be5 17.Rb1 bc4 18.Nc3?? Bc3–+ 19.Qc2 0–0 20.Rfc1 Be5 21.Bc4 Bf5 22.Bd3 Bd3 23.Qd3 Rfd8 24.Qe2 g6 25.g3 Qf5 26.Rd1 Bg7 27.Rd8 Rd8 28.Rd1 Rd1 29.Qd1 Bf6 30.Qa4 Qb5 31.Qd1 a5 32.Kg2 a4 33.Qb1 Qb1 34.Kf3 Qb7 35.Ke2 a3 36.Kf1 a2 (36...a2 37.h3 a1Q 38.Ke2 Qab2 39.Kd3 Qd5) 0–1. Fournier,Frederic (1975) – 2hd (1955), Active (1/0), 2003.

4.e3 d5 (--> 1.b4 d5 2.Bb2 a6 3.e3 Nc6 4.a3 e5).

4.e3 f6 5.Nf3 d5 6.d4 e4 7.Nfd2 Bd6 (7...f5 8.c4=) 8.c4 Be6 (better is 8...dc4!? 9.Nc4 Bf5+=) 9.Nc3+– dc4 (better is 9...Be7 10.cd5 Bd5 11.Nd5 Qd5+–) 10.Bc4?? (better is 10.d5 Bd5 11.Nd5+–) 10...Bc4+= 11.Nc4 Nge7 12.Nd6 Qd6 13.Ne4 Qe6 14.Nc5 Qc8 15.Qb3 b6 16.Ne6 a5? (16...Rg8 17.Rc1 Ra7 18.e4+–) 17.d5 Ne5 18.Ng7 Kf7 19.d6 Kg7 20.de7 Re8 21.Be5 fe5 22.0–0 Re7 23.Rfc1 Qd7 24.Rd1 Qf5 25.f3 ab4 26.Qb4 Rf7 27.e4 Qg5 28.Qd2 Qg6 29.Kf2 Raf8 30.Qd5 Qg5 31.Rac1 Qh4 32.Kg1 Qg5 33.Qd2 Qh4 34.Qf2 Qg5 35.Rd5?? Qc1–+ 36.Qf1 Qe3 37.Kh1 Rf3! 38.gf3 Rf3 39.Qg2? Kf6–+ 40.Rd1 Qe4 41.Rg1 Re3 42.Qe4 Re4 43.Rc1 Rf4 44.Rc7–/+ e4 45.Rc6 Kf5 46.Rb6 Kg4 47.Rb3 Rf3 48.Rb4 Kf4 49.a4 Ra3 50.Kg2 h5 51.h4 Ra2 52.Kf1?? Kf3–+ 53.Rb3 e3 54.Kg1 Ra4 55.Rc3 1–0. mihai740609 – stan4obanketa, kurnik, 2011.

4.e3 g6 5.b5 ab5 6.Bb5 Na7 7.Bc4 Bg7 8.Ba2 d6 9.g4 Nf6 10.g5=+ Ne4 11.h4 Qe7 12.f4 Be6 13.Qf3 Ba2 14.Qe4= Bb1 15.Rb1 0–0–0 16.f5 f6 17.fg6 hg6 18.Nf3 f5= 19.Qd5 Nc6 20.Qb5 Qd7? 21.Bd4 b6?? 22.Qa6 Kb8 23.Bb6! cb6 24.Rb6 Qb7 25.Qb7 1–0. bentengutama (1845) – vslijepcevic (1840), net–chess.com, 2003.

4.e3 g6 5.d4 Bg7 6.b5 ab5 7.Bb5 Nge7 8.d5 Na7 9.Bc4 d6 10.f4 0–0 11.fe5 Be5 12.c3? Nf5–+ 13.Nf3 Ne3 14.Qe2 Re8 15.Ne5?? Re5 16.Kd2 Qg5 17.Bd3 Ng2 18.Kc2 Re2 19.Be2 Qd5 20.Bc1 Ne3! 21.Be3 Qh1 22.Ra2 Bf5 23.Kb3 Qb1 24.Rb2 Qe4 25.Bg1 Qd5 26.Bc4 Qc6 27.Re2 Be6! 28.Be6 fe6 29.c4 e5 30.Rc2 Qf3 31.Kb2 Nc6 32.Rf2 Qa3 33.Kc2 Nd4 34.Kd2 Qb2 35.Ke3 Nf5 36.Ke4 Qb1 37.Kd5 Qg1 38.Rd2 Re8 39.c5 Qc5 40.Ke4 Qe3 41.Kd5 Qd2 42.Ke4 c6 43.Kf3 d5 44.h4 Qe3 45.Kg2 Nh4 46.Kh2 Rf8 47.Kh1 Qh3 48.Kg1 Rf1 0–1. bentengutama (1845) – vslijepcevic (1840), net–chess.com, 2003.

4.e3 g6 5.Nf3 Bg7 6.b5 ab5 7.Bb5 Na7 8.Ne5 f6–/+ 9.Ng6 Nb5?? 10.Nh8+– Bh8 11.Qh5 Kf8 12.Qb5 c6 13.Qh5 d6 14.g4 h6 15.g5! Qe8 16.Qe8 Ke8 17.h4 Bf5 18.d3 h5 19.Nd2 Kf7 20.Nc4 Ke6 21.f4 b5 22.e4 bc4 23.ef5 Kf5 24.dc4 Ne7 25.Rd1 d5 26.cd5 Nd5 27.gf6 Bf6 28.Bf6 Nf6 29.Ra1 Kf4 30.a4 Nd5 31.Rg1 Ne3 32.Ra2 Re8 33.Kd2 Nc4 34.Kc3 Nd6 35.Kb4 Nb7 36.c4 Re4 37.Rg5 Nd6 38.Rc2 Re5 39.Rf2 Ke3 40.Re5 (40.Re5 Kf2 41.Kc5 Nc4 42.Kc4+–) 1–0. bentengutama (1845) – vslijepcevic (1830), net–chess.com, 2003.

4.e3 h6 5.b5 ab5 6.Bb5 Nge7 7.Nf3 f6 8.0–0 g6 9.d4 d6? (9...e4 10.Nfd2 Na7 11.Be2+=) 10.de5?? (better is 10.d5+–) 10...fe5= 11.Qd3 Bg7 12.Bc6 bc6 13.Nc3?? (13.e4 0–0=) 13...Bf5?? (better is 13...Ba6 14.Qd2 Bf1 15.Rf1 e4–+) 14.e4= Be6 15.Ne2 0–0 16.c4 c5 17.Nc3 Bd7 18.Nd5 Nd5 19.cd5 Rb8 20.Qc2 Rf4 21.Bc1 Rf6 22.Bd2 g5 23.h3 g4 24.hg4 Bg4 25.Nh2 Bd7 26.Qd1 Rg6 27.g3 Qf6 28.Qf3 Qf3 29.Nf3 Rf8 30.Nh4 Rgf6 31.Kg2 Bb5 32.Rfb1? Rf2–+ 33.Kh3 Bd7 34.Nf5 Bf5 35.ef5 Rd2 0–1. ourang – shakisti, kurnik, 2012.

4.e4 b5 5.Nf3 Bd6 6.Be2 Bb7 7.0–0 Nf6 8.d3 0–0 9.Nbd2 Ng4 10.h3 Nh6 11.c4 bc4 12.Nc4 Qe7 13.Nd6 (13.Re1 Rfe8+=) 13...Qd6 14.Qc2 Rac8 (14...Rfe8 15.Rad1+=) 15.Rac1 Nd4? (better is 15...Rfe8+=) 16.Nd4+– ed4 17.Bf3 (17.Qc4 Rfe8+–) 17...Bc6 18.Qc4 Bb5 19.Qb3 (19.Qd4 Qd4 20.Bd4 Bd3+/–) 19...Kh8 (better is 19...Qe6!? 20.Qe6 fe6 21.Bd4 Bd3+/–) 20.a4+– Bc6 21.Rc4 (21.b5 ab5 22.ab5 Bb7+–) 21...Qf4 (21...Qg6 22.Bd4 f5 23.ef5 Nf5 24.Bc6 Nd4 25.Rd4 Qc6 26.b5+–) 22.Bd4 f6 (22...Rg8 23.Re1+–) 23.Be3 Qe5 24.d4 Qe8 25.d5 Bb7 26.b5 (26.Rfc1 c6+–) 26...a5 (26...Nf7 27.Rfc1 f5+–) 27.Rfc1 Rf7 (27...c6 28.Bh6 gh6 29.bc6+–) 28.Rc7 (better is 28.Bh6 gh6 29.Bh5 d6+–) 28...Rc7 29.Rc7 d6 30.b6 Qb8 (30...Ng8 31.Qb5 Qf8 32.Bf4 Rc7 33.bc7+–) 31.Qc3 Rc7 (31...Qf8 32.Bh6 gh6 33.Qa5+–) 32.bc7 Qc8 (32...Qf8 33.Bh6 gh6 34.Bg4+–) 33.Qa5 (33...Nf7 34.Bg4+–; 33.Bh6 Qe8+–) 1–0. alaamattar (2100) – pwillows (2085), net–chess.com, 2005.

4.e4 d5 5.ed5 Qd5 6.Qf3 (6.Nc3 Qe6 7.Nf3 Be7=) 6...Be6 (6...Qe6 7.Nc3–/+) 7.Nc3 (7.Qd5 Bd5 8.Nc3 Be6=) 7...Qf3 (7...Qd7!?+=) 8.Nf3= f6 9.0–0–0 1–0. smoothoperator (2255) – pushtiu (2245), net–chess.com, 2015.

4.e4 d6 5.Nc3 Nf6 6.d3 Bg4 7.Be2= h5 (7...Be6 8.Nf3 Be7 9.0–0 Qd7 10.d4 ed4 11.Nd4+= 0.31) 8.Nf3 Be7 (8...Qd7 9.h3 Bf3 10.Bf3 Nd4 11.Nd5= 0.09) 9.h3 (9.0–0 Qd7 10.Nd5 0–0 11.c4+= 0.50) 9...Bf3 10.Bf3 Nd4 11.0–0 (11.Nd5= 0.19) 11...Nf3 12.Qf3 g5 13.Qf5 g4 (13...Qd7 14.Qd7 Kd7 15.Rad1=) 14.hg4 (14.f4 gh3 15.gh3 Rg8 16.Kh1 Qc8 17.fe5 Qf5 18.Rf5 de5+–) 14...Ng4 (14...hg4!? 15.Nd5 Nd5 16.ed5 Qc8 17.Qc8 Rc8=) 15.Nd5 Bh4? (15...c6 16.Ne3=) 16.g3?? (16.f4 c6 17.fe5 Nh6 18.Qh5 cd5+–) 16...Bg5?? (16...c6 17.Nf4= (17.gh4? Qh4 18.Kg2 cd5–+)) 17.Bc1?? Bc1+= 18.Rac1 Qd7? 19.Nf6?? Nf6= 20.Qf6 Rg8 21.Kg2 Qg4 22.Rh1 Qg5 23.Qg5 Rg5 24.Rh4 f5 25.Rch1+/– fe4 26.de4 Kd7 27.Rh5 The passed pawn on g3 will quickly become a dangerous weapon 27...Rh5 28.Rh5 Kc6 29.g4 a5 30.g5 ab4 31.ab4 Kb5 32.c3 Kc4 33.Rh3 c5 34.bc5 Kc5 35.g6+– b5 36.g7 Rg8 37.Rg3 d5 38.ed5 Kd5 39.Kf1 Ke4 40.Ke2 Kd5 41.Ke3 Kd6 42.Rg6 Kd5 43.f3 Kc4 44.Rc6 Kd5 45.Rc7 Kd6 46.Rb7 Kc6 47.Rf7 Kd5 48.Kd3 Ke6 49.Rb7 Kd6 50.Ke4 Ke6 51.Rb5 Rg7 52.Re5 Kd6 53.f4 Rg1 54.c4 Rc1 55.Rd5 Ke6 56.Re5 Kd6 57.c5 Rc5 58.Rc5 Kc5 59.Ke5 Kc6 60.Ke6 Kc7 61.Ke7 (61.Ke7 Kc8 62.f5+–) 1–0. mic (2200) – fbershadski (2260), net–chess.com, 2007.

4.e4 d6 5.Nf3 Nf6 6.Nc3 Bg4 7.h3 Bh5 8.Be2 Bg6 9.d3 d5 10.ed5 =.

4.e4 d6 5.Nf3 Bg4 6.Be2 Qf6 (6...Nf6 7.0–0=) 7.Nc3+= Nge7 8.Nd5 (8.b5 Bf3 9.bc6 Be2 10.cb7 Rb8 11.Qe2 Rb7+/–) 8...Nd5 9.ed5 Bf3 (9...Ne7 10.d4 e4 11.Nd2=) 10.Bf3+= Nd4 11.Bd4 ed4 12.0–0 Be7 13.Rc1 (13.Qe2 Kd8+=) 13...0–0 14.c4 (14.Re1 Rae8+=) 14...dc3 (14...Qh6 15.d3=) 15.dc3 Qh6 16.Re1 (16.Qd3 Bf6+=) 16...Bg5 17.Rc2 Bf4 (17...Bf6 18.h3=) 18.g3+= Be5 19.c4 (19.Bg2 a5+=) 19...f5 20.Qd3 Rae8 (20...a5 21.b5=) 21.Rce2+= f4 22.Bg4 Qg5 23.Be6 Kh8= 24.Re4 fg3 25.hg3 Qf6 26.Rf1 Re7 27.Kg2 b6 28.Qe3 c5= 29.Rh4 g5 30.Rh5 Rg7 31.Qe2+= Bd4 The pressure on the backward pawn f2 grows 32.f3 Be5 33.bc5 bc5+= 34.Qe4 Rb7 35.Rf2 Qg7 36.Kh3 Rb3 37.a4 Ra3 38.Kg4 Do you see the mate threat? 38...h6 39.Bf5 Rf6 40.Kh3 Ra1 41.Kg2 Bd4 42.Re2 Be5 43.Qc2 Qb7 44.Rh1 Rh1 45.Kh1 Qb4 46.f4 Qa3 47.Kg2 gf4= 48.gf4 Bf4 49.Re8 Kg7 Black threatens strongly Rxf5 50.Re7?? Kf8–+ 51.Re2 Qg3 52.Kf1 Be3 53.Rg2 Qf3 (53...Qf3 54.Rf2 Bf2 55.Qf2 Qh5–+) 0–1. Feio,Rui – Lopes,Paulo, Torneio Int. Leiria, 2006.

4.e4 Be7 5.Nf3 d6 6.Nc3 Nf6 7.Be2 Bg4 8.Rc1 0–0 9.0–0 Qd7 10.Rb1 =.

4.e4 Be7 5.Nf3 d6 6.Nc3 Nf6 7.Be2 Bg4 8.Rc1 0–0 9.0–0 Re8 10.Ng5 =.

4.Nf3 f6 5.e4 b5 6.Be2 d5 7.ed5 Qd5 8.Nc3 Qe6 9.d4 Nd4 10.Nd4 ed4 11.Qd4 Bb7 12.0–0–0 Bd6 13.Rhe1 Kd8?? 14.Bf3+– Qc8 15.Ne4 Be4 16.Qe4 (16...Qd7 17.Qa8 Qc8 18.Re8 Ke8 19.Qc8 Kf7 20.Bd5 Kg6 21.Bg8 Rg8 22.Qg8+–) 1–0. labackna – dhub noire, ChessWorld.net, 2006.

4.Nf3 Qf6 5.e3 d5 6.c4 Be6 7.c5 d4 8.Be2 Bg4 9.0–0 Bf3 10.Bf3 d3 11.Bc6 bc6 12.Qb3 Qf5 13.f3 Nf6 14.e4 Qd7 15.Be5 Be7 16.Nc3 0–0 17.Bg3 Nh5 18.Bf2 Bf6 19.Rac1 Bd4 20.Qc4 Bf2 21.Rf2 Nf4 22.g3 Nh3 23.Kg2 Nf2 24.Kf2 Rfd8 25.Nd1 Qh3 26.Kg1 a5 27.Nf2 Qe6 28.Qe6 fe6 29.Rc3 ab4 30.ab4 Ra1 31.Kg2 Ra2 32.Nd3 Rd2 33.Nf2 Ra2 34.Rc1 Rdd2 35.Rf1 Rab2 36.Kg1 Rb4 37.Ng4 Rbb2 38.Rc1 h5 39.Ne3 Rh2 40.Rd1 Rhe2 41.Nc4 Rg2 42.Kf1 Rbf2 43.Ke1 Rf3 44.Nd2 Rg1 45.Ke2 Rd1 46.Nf3 Rc1 47.Kd3 Rc5 48.Kd4 Rc1 49.Ne5 c5 50.Kd3 Rg1 51.Nd7 Rg3 52.Kc4 Rg4 53.Nc5 h4 54.Kd3 Kf7 55.Ke3 g5 56.Kf3 Rg3 57.Kf2 g4 58.Nd7 Rf3 59.Kg2 h3 60.Kg1 Re3 61.Ne5 Ke7 62.Ng4 Re4 63.Nf2 Re3 0–1. mihai740609 – introvertit, kurnik, 2012.

4.g3 d6 5.Bg2 Bd7 6.Nf3 h6 7.0–0 Nf6 8.c4 Be7 9.d3 Rb8 10.Nbd2 0–0 11.Qc2 b5 12.cb5 ab5 13.Nh4 Nd4 14.Bd4 ed4 15.Nhf3 c5 16.bc5 dc5 17.Ne4 Ne4 18.de4 f6 19.Nh4 Bd6 20.Ng6 Re8 21.Rad1 Kf7 22.Nh4 g5 23.Nf5 Bf5 24.ef5 Re5 25.g4 Qe7 26.e4 de3 27.fe3 Re3 28.Qd2 Rd8 29.Kh1 Ra3 30.Rfe1 Qc7 31.Qd5 Kg7 32.Qe6 Qd7 33.Qd7 Rd7 34.Bc6 Rd8 35.Bb5 Ra5 36.Bc4 Ra7 37.Rd2 Rb7 38.Red1 Rb6 39.Be6 Kf8 40.h3 Ke7 41.Ra2 Rb7 42.Ra6 Rc7 43.Re1 Be5 44.Rc1 Bd4 45.Rd1 Rd6 46.Ra8 Rd8 47.Rd8 Kd8 48.Rb1 Ke7 49.Rb8 c4 50.Rh8 c3 51.Rh7 Kd6 52.Rc7 Kc7 53.Bb3 Kd6 54.Kg2 Ke5 55.Kf3 Bb6 56.Bc2 Kd4 57.Ke2 Bc7 58.Bd3 Bf4 59.Bc2 Kc4 60.Bd3 Kb3 61.Bc2 Kc2 62.Kf3 Kd2 63.h4 c2 64.hg5 hg5 0–1. rryy44 – xvx120, kurnik, 2012.

4.g3 d6 5.Bg2 Bf5 6.Nf3 Qd7 7.0–0 h6 8.d3 Nf6 9.c4 g5 10.b5 ab5 11.cb5 Na5 12.a4 g4 13.Nbd2?? (better is 13.Nfd2=) 13...gf3–+ 14.Bf3 c6 15.bc6 Nc6 16.Ne4 Ne4 17.de4 Bg4 18.Bg2 Be7 19.f3 Be6 20.g4?! (20.f4 Qc7 21.Kh1 Qb6–+) 20...Bg5 (20...h5 21.gh5 Na5 22.f4–+) 21.h3?! (21.f4 Bd8 22.f5 Bc4–+) 21...0–0 22.Ba3 Nd4 23.Qd3 h5 24.e3 Nc6 25.Qd6? Qd6 26.Bd6 Rfd8 27.Bc5 hg4 28.hg4 Na5 29.Bb6 Rd3 30.Rfe1 Nc4 31.Bc7?? Be3 32.Kh2 Bf4 33.Kg1 Ne3 34.Kf2 Nc2 35.Rad1 Ne1 36.Ke1 Rd1 37.Kd1 Rc8 38.Bb6 Rc1 39.Ke2 Ra1 40.a5 Ra2 41.Kf1 Bd2 42.Bc7 Ba5 43.Be5 Bc4 44.Kg1 Bb6 45.Kh1 Ra1 46.Ba1+= Kf8 47.e5 Bc5 48.f4+= b5 49.f5 b4 50.g5 b3 51.Bb2+= Ke7. golfx – lomakon, kurnik, 2012.

4.g3 Bd6 5.Bg2 Nge7 6.Nf3 0–0 7.0–0 f5 8.c4 Ng6 9.c5 Be7 10.Qb3 Kh8 11.Nc3 d6 12.cd6 Bd6 13.d3 f4 14.e3 Bg4 15.ef4 Bf3 16.Bf3 ef4 17.Bc6 bc6 18.Ne4 fg3 19.fg3 Ne5 20.Nd6 Qd6 21.Qc3 Rg8 22.Qe5 Qd3 23.Rad1 Qb3 24.Qc3 Qe6 25.Rfe1 Qh3 26.Qc6 Raf8 27.Qc7 Rf2 28.Kf2 Qh2 29.Ke3 Re8 30.Kd3 Rg8 31.Re2 Qh5 32.Rde1 h6 33.Re7 Qf5 34.Kc3 Qf3 35.R1e3 Qf1 36.Kb3 Qd1 37.Ka2 Qd5 38.Rb3 Qg5 39.Bg7 Rg7 40.Rg7 Qg7 41.Qg7 Kg7 42.Rc3 1–0. rryy44 – astgh, kurnik, 2012.

4.g3 Nf6 5.Bg2 Nd4 6.e3 Nb5 7.Be5+/– Be7 8.Nc3 Nc3 9.Bc3 0–0 10.Qe2 d5+= 11.0–0–0 Ne4 12.Bb2+= c5 13.Be4 de4=+ 14.Qc4 Bg4 15.Re1 Kh8. flaxman – shacker, net–chess.com, 2003.

4.g3 Nf6 5.Bg2 d5 6.c4 +=.

4.g3 Nf6 5.Bg2 g6 6.e3 (6.Bc6 dc6 7.Be5 a5+=) 6...Bg7 7.d3 0–0 8.c4 b6?? (8...d5 9.Nd2+=) 9.Ne2?? (better is 9.b5 d5 10.bc6 dc4 11.dc4 Qd1 12.Kd1+–) 9...Bb7 (9...d5 10.Nbc3 Be6 11.0–0=) 10.0–0 Rb8 11.Nd2 Ne7 12.Nb3 Bg2= 13.Kg2 Qc8 14.Be5+/– Qb7 15.e4?? d6?? 16.Bb2 Ne4+= 17.de4 Bb2 18.Rb1 Bg7 19.Nc3?? Rbd8 20.Nd5= Nd5 21.ed5 c6 22.Kg1 cd5 23.cd5 Rfe8 24.Rc1 Bh6 25.Rc6+= Rc8 26.Nd4 Rc6 27.Nc6 Rc8 28.Qc2 b5?? 29.Qe4?? Qb6?? 30.Ne7+– Kh8 31.Nc8 Qb8 32.Qd4 Bg7 33.Qg4 Qc8 34.Qc8 Bf8 35.Re1 Kg7+– 36.Qc3 Kh6 37.Re4 Bg7 38.Rh4 Kg5 39.Qe3 Kf6 40.Qf4 Ke7+– 41.Qg4 Bf6 42.Qe4 Be5 43.Rh7 Kf6 44.Rh8 Kg7+– 45.Re8 Bf6 46.Ra8 Bc3 47.Ra6 Bb4 48.ab4 f5 49.Qe7 Kh6 50.Qh4 Kg7 51.Ra7 Kg8 52.Qh7 Kf8 53.Qh8# (53.Qf7#) 1–0. diablo005 – raposade9caud, kurnik, 2012.

4.g3 h5 5.Bg2 h4 6.Nf3 hg3 7.fg3 d6 8.d3 Bd7 9.Nbd2 Qf6 10.Ne4 Qg6 11.Qd2 Na7 12.Nh4?? (better is 12.e3=) 12...Qe6?? (better is 12...Rh4 13.gh4 Qg2–+) 13.Ng5+– Qe7 14.Bb7 Rb8 (14...Qd8 15.0–0 Nh6+–) 15.Ba6 (better is 15.Bd5!? Nh6 16.0–0 c6 17.Nf7 Nf7 18.Bf7 Qf7 19.Rf7 Kf7+–) 15...Nf6 16.Bc4 d5 Black intends e4 17.Bb3 Qd6 18.Nhf3 e4? 19.de4 Be7 20.0–0–0 de4 21.Qd6 Bd6 22.Nh4 Bf5 23.Bf6 gf6 24.Nf5 fg5 25.Nd6 cd6 26.Rd6 Rd8 27.Rd8 Kd8 28.Rd1 Kc7 29.Rh1 Nb5?? 30.Kb2 f5 31.e3 g4 32.Be6 Nd6 33.c4 f4 34.ef4 Re8 35.Bg4 e3 36.Re1 Re4 37.c5 Nb5 38.h4 Nd4 39.h5 Ne6 40.Be6 Re6 41.g4 Kc6 42.g5 Kd5 43.h6 Kd4 44.h7 Re8 45.g6 Kd3 46.g7 Kd2 47.Rh1 e2 48.g8Q (48.g8Q Re7 49.Qd5 Ke3 50.Rh3 Kf2 51.Qf3 Ke1 52.Rh1 Kd2 53.Qc3#) 1–0. golfx – lotlotlot, kurnik, 2011. (=1.a3 a6 2.b4 Nc6 3.Bb2 e5)

4.g3 h6 5.Bg2 Nge7 6.Nf3 d6 7.0–0 Bg4 8.c4 Bf3 9.Bf3 b5 10.cb5 ab5 11.Nc3 Rb8 12.Nd5 Nd4 13.Bd4 ed4 14.Ne7 Be7 15.Bc6 Kf8 16.Qc2 Rb6 17.Qe4 Bf6 18.d3 Qe7 19.Qf3 g6 20.Rab1 Kg7 21.a4 ba4 22.Ba4 c5 23.bc5+= Rb1 24.Rb1 dc5 25.Rb7 Qd6 26.Bb3 Rf8 27.Bc4 Qe5 28.Rd7 h5 29.h4 Qe8 30.Rd6 Qe5 31.Rd5 Qe7 32.Kg2 Rd8 33.e3 Rd5 34.Bd5 de3 35.fe3 Qa7 36.Bc4 Qb6 37.Qf2 Qc6 38.Kh2 Qd6 39.Kg2 Qc6 40.e4 Bd4 41.Qf7+/– Kh6 42.Qf8 Kh7?? 43.Qg8 Kh6+/– 44.Qd8 Qf6 45.Qf6 Bf6 46.Kf3 Bd4 47.Kf4 Kg7 48.e5 Kh6 49.e6+– Bf6 50.Ke4 g5 51.hg5 Kg5 52.Kd5 Be7 53.Kc6 Kg4 Black intends h4 54.Kd7 Bf6 55.e7 Be7 56.Ke7 Kg3 57.Ke6 h4 58.Kd6 h3 59.Kc5 h2 60.Bd5 Kf2 61.d4 Kg1 62.Be4 Kf2 63.d5 Kg1 64.d6 h1 65.Bh1 Kh1 66.d7 Kg1 67.d8Q Kf2 68.Qd4 Kf3 69.Kc4 Ke2 70.Qd3 Kf2 71.Kd4 Kg2 72.Qe3 Kh2 73.Ke4 Kg2 74.Kf4 Kf1 75.Kf3 (75.Qd2 Kg1 76.Kf3 Kf1 77.Qf2#) ˝–˝. rryy44 – zie41, kurnik, 2012.

4.c4 d6

5.e3 Bd7 6.Be2 Nf6 7.Nf3 Be7 8.0–0 0–0 9.d4 e4 10.Nfd2 Qc8 11.d5 Na7 12.Nc3 Bg4 (12...Bf5 13.Qb1+/–) 13.Nce4+– Be2 14.Qe2 Ne4 15.Ne4 Qf5 16.Ng3 Qg6 17.Qf3 f5 18.Rad1 Bg5 19.Ne2 Nc8 20.Nf4 Bf4 21.Qf4 Nb6 22.c5 Nc8 23.Qc4 Ne7 24.Rd4 Qf7 25.Rfd1 Ng6 26.a4 (26.c6 bc6 27.dc6 Rfb8+–) 26...Ne5 (26...f4 27.e4+/–) 27.Qc3 Qg6 28.Kh1 Ng4 29.R1d2 Rf7 30.h3 Ne5 31.a5 Raf8 32.f4 Nd7 33.c6 bc6 34.Qc6 Nb8 35.Qa8 Qg3 36.R4d3 Qg6 (36...Qe1!? 37.Kh2 Re8+/–) 37.Bd4+/– Re7 38.Ba7 Nd7 39.Qb7 Rfe8 40.Qa6 Nf6 41.Qc4 Ne4 42.Rb2 Qg3 43.Qc1 Nf2 44.Rf2 Qf2 45.Bd4 Qg3 (45...Rb8 46.a6 Qa2 47.a7+/–) 46.a6+/– h6 47.a7 Ra8 48.Qc6 Ree8 49.Qc7?? (better is 49.Rc3 Qg6 50.Qc7+–) 49...Rec8= 50.Qg7 (better is 50.Rc3 Rc7 51.Rc7+=) 50...Qg7–/+ 51.Bg7 Kg7 52.Ra3 Rc7 53.Ra6 Rd7 54.b5 Raa7 55.Rc6 Rab7 (better is 55...Ra3!?–+) 56.b6 Kf6 57.g4 fg4 58.hg4 Ke7 59.e4 Rd8 60.Kg2 (60.e5 de5 61.Rh6 Rbb8 62.fe5 Rd5–+) 60...Rbb8 (60...Rdb8 61.e5 Rb6 62.Rc7 Ke8 63.Rh7 Rb2 64.Kf3–+) 61.Rc7 Ke8 (better is 61...Rd7 62.Rc6 Rdb7–+) 62.b7= Rd7 63.Rc8 Rd8 64.Rc7 Rd7 65.Rc8 Rd8 66.Rc7 ˝–˝. mikebaldini (1620) – mrx3419, gameknot.com, 2015.

5.e3 Be7 6.b5 Nb8 7.c5 (7.Nf3 Nf6=) 7...ab5 8.Bb5 c6 9.cd6 Bd6 (worse is 9...cb5 10.de7 Ne7 11.Be5+=; 9...Qd6?! 10.Be2 Nf6 11.Nf3+=) 10.Bc4 Nf6 11.h3 (11.Nf3 Nbd7 12.Nc3 0–0–/+) 11...Ne4 (11...0–0 12.Nf3 e4 13.Ng5–+) 12.Qh5 (12.Nc3 Nc3 13.Bc3 b5=) 12...Qf6 13.Nf3 Can e5 get defended? 13...g6 14.Qh4 Qh4 15.Nh4 Nf6 16.Nf3 Nfd7 (better is 16...Nbd7!?+=) 17.0–0 0–0 18.d4 e4 19.Ng5 h6 (19...Nb6!? 20.Ba2 Be7 21.Ne4 Be6+=) 20.Ne4+/– Nb6?? (better is 20...Be7+/–) 21.Nd6+– Nc4 22.Nc4 Bf5 23.Nd6 Bd3 24.Re1 b5 25.Nc3 Nd7 26.Nb7 Nf6 27.Nc5 Bc4 28.e4 Nh5 29.d5 cd5 30.Nd5 Bd5 31.ed5 Rfd8 32.Rad1 Nf4 33.d6 Rac8 34.Bf6 Re8 35.Re8 Re8 36.d7 (36.d7 Rf8 37.d8Q Ne6 38.Ne6 fe6 39.Qe7 Rf6 40.Rd8 Rf8 41.Rf8#) 1–0. fjanusz52 – samkaz, kurnik, 2012.

5.e3 Bf5 6.Nf3 Nf6 7.Be2 Be7 8.0–0 0–0 9.d4 ed4 (9...e4 10.Nfd2=) 10.Nd4+= Bg6 (10...Nd4 11.Qd4 Qd7 12.Nc3+=) 11.Nc6 bc6 12.Bf3 Qd7 13.Nd2 a5 14.b5 d5 (14...cb5 15.Ba8 Ra8 16.cb5 Qb5 17.Qf3+=) 15.a4 (15.bc6 Qc6 16.cd5 Nd5+/–) 15...Rad8 (15...Bd3 16.bc6 Qc6 17.Re1+=) 16.Qb3 (16.Bc3 Bd3 17.Re1 cb5 18.cb5 Ra8+/–) 16...dc4 (better is 16...Ne4!? 17.Rfd1 Qf5+=) 17.Nc4+/– Bd3 (17...Ne4 18.Ne5 (18.Na5?! Nd2 19.Qd1 cb5=) 18...Qd6 19.Nc6+/–) 18.Rfd1 Bc4 (18...Qf5 19.Na5 Bc2 20.Nc6 Bc5+– (20...Bb3?? 21.Ne7 Kh8 22.Rd8 Rd8 23.Nf5+–)) 19.Qc4+– cb5 (19...Qe6 20.Qc6 Bd6 21.Qc3+–) 20.ab5 (better is 20.Rd7!? bc4 21.Re7 Rb8 22.Bf6 gf6+–) 20...Qf5 21.Ra5 Rd1 22.Bd1 Qb1 23.Qc1 Qf5 24.Bf3 Bb4 25.Ra7 Bd6 26.Ra8 Ra8+= 27.Ba8 Ng4 28.f4 Ne3 29.Qe3+/– Bc5 30.Bd4 Qb1 31.Kf2 Qc2?? 32.Kg3+– h5 33.Bc5 (33.Bc5 Qg6 34.Kf3 Qg4 35.Kf2 Qh4 36.Ke2 Qg4 37.Bf3+–) 1–0. carocan (1735) – kltnt13 (1630), kurnik, 2011.

5.e3 g6 6.Bd3 Nf6 7.Bc2 Bg7 8.Nf3 0–0 9.0–0 b5 10.cb5 ab5 11.d4 Bg4 12.Nbd2 ed4 13.ed4 Re8 14.Re1 d5 15.Re8 Qe8 16.Qf1 Na7 17.Re1 Qc6 18.Bb3 Nd7 19.h3 Bf5= 20.g4 Bc2?? 21.Rc1+– Bd3 22.Qd3 Qd6 23.Nb1 c6 24.Bc3 Qf4 25.Bd2 Qd6 26.Re1 Nf6 27.Ne5 Rc8 28.Bf4 Qf8 29.Qf3 Ne4 30.Re4 de4 31.Qe4 Kh8 32.Nf7 (32...Kg8 33.Be5 Qf7 34.Bf7 Kf7 35.Bg7 Kg7 36.Qe7 Kg8 37.Qa7+–) 1–0. Trkn – Frank, itsyourturn.com, 2000.

5.h3 Nf6 6.Nc3 Be7 7.Nf3 0–0 8.e4 Nd4 9.Bd3 Nf3 10.Qf3 c6 11.0–0 Be6 12.a4 Nd7 13.a5 Bg5 14.Be2 (14.Rfd1 b5 15.ab6 Nb6=) 14...Bd2 15.Rfd1 Bg5 16.Qd3 Rc8 17.Qd6 (17.Bg4 Bg4 18.hg4 Rc7=) 17...Be7–/+ 18.Qd2 Bb4 19.Bg4 (19.Ba3 Ba3 20.Ra3 Qe7–/+) 19...Bg4 20.hg4 Nc5 21.Qc2 Qe7 22.Na4 Rcd8 (22...Ba5?! 23.Ba3 b6 24.Nc5 bc5 25.Bb2+=) 23.Nc5 Qc5 24.Qb3 f6 (24...Rd1 25.Rd1 Qa5 26.Rd7–+) 25.Kh2 (25.Bc3 Bc3 26.Qc3 Rd4 27.Rd4 Qd4 28.Qd4 ed4–/+) 25...Rfe8–+ (25...Ba5?! 26.Ba3 Qb6 27.Qb6 Bb6 28.Bf8 Rd1 29.Rd1 Kf8 30.Rb1 Bf2 31.Rb7+=) 26.Kh3 (26.g5!? fg5 27.Rd8 Rd8 28.Qg3–+) 26...Ba5 27.f3 Bb4 28.Rdb1 Qf2 Threatening mate: g5 29.Rf1 Qe2 30.c5 Kh8 31.Rfd1 (31.Qb4 Rd2 32.Rg1 Rb2–+) 31...Rd1 32.Rd1 Bc5 33.Rd7 Qe1 34.Rd1 Qf2 35.Ba3 b5 (35...Be3 36.Qf7 Rg8 37.Bf8=) 36.Qe6 The mate threat is Qxe8 36...Rb8 (36...Re6 Deflection from d8 37.Rd8 A beautiful mate combination) 37.Bc5 Qc5 38.Rd6 a5 39.g5 fg5 40.Rc6 Qf8 41.Qe5 b4 42.Rc5 b3 43.Rb5 Threatening mate... how? 43...Rb5 44.Qb5 a4 45.f4 (45.g3 Qc8 46.g4 Qa8–+) 0–1. pierre – Magda, internet, 2008.

5.e3 Nf6

6.d4 ed4 7.ed4 d5 8.Nf3 Bg4 9.c5 Be7 10.Nbd2 0–0 11.Bd3 Bh5 12.0–0 Bg6 13.Be2 Ne4 14.Ne5 Ne5 15.de5 Nd2 16.Qd2 f6 17.e6 Bf5 18.Qe3 Qc8 19.Rfe1 Be6 20.Bd3+– Kf7 21.Bh7 Rh8 22.Qd3 Kf8 23.Re3 Bf7 24.Rae1 Bd8 25.Bg6 Qd7 26.Qd5!! (26...Bg6 27.Qd7 Be7 28.Qe7 Kg8 29.Rd1 Re8 30.Rd8 Rh6 31.Bf6 Bf7 32.Re8 Kh7 33.Rh8 Kg6 34.Rg3 Kh5 35.Qe2#) 1–0. Djukic,Zeljko – Grigorian,Levon, URS, 1967.

6.d4 ed4 7.ed4 d5 8.Nf3 Bg4 9.c5 Be7 10.Be2 0–0 11.0–0 Ne4 12.Nbd2 f5 13.h3 Bf3 14.Bf3 Bf6 15.Nb1 a5 16.Be4 fe4 17.Re1 ab4–+ 18.ab4 Nb4 19.Ra8–/+ Qa8 20.Qb3 Nc6?? 21.Qd5+= Kh8 22.Qe4 Qa2 23.d5 Qb2= 24.dc6 Bd4 25.Re2+= Bf2 26.Kh2 Qd4 27.Qd4+– Bd4 28.cb7 Bc5 29.Rb2 Bd6 30.g3 c5 31.Kg2 Kg8 32.Rb6 Be5 33.Nd2 Rb8 34.Rb5 Bf6? 35.Nc4+– Be7 36.Ne5 Bd6 37.Nc6 Re8 38.b8Q Bb8 39.Nb8 c4 40.Nc6 Re2 41.Kf3 Rc2 42.Ne5 Kf8 43.Ke3 Rc3 44.Kf4 Rb3 45.Rc5 c3 46.Ke3 Ra3 47.Kd4 c2 48.Nd3 Ra2 49.Nc1 Ra4 50.Kd3 Ra3 51.Rc3 (51...Rc3 52.Kc3+–) 1–0. Wall,Bill – Pennell,Gary, Taylorsville, NC, 1975.

6.d4 ed4 7.ed4 Ne4 8.Bd3 Qe7 9.Ne2+/– Qh4 10.0–0 Ng5? 11.f4+– Bh3 12.fg5 Qg5 13.Nf4 Bg4 14.Qe1 Be7 15.Nd5 0–0 16.Bc1 Qh4 17.g3 Qh3 18.Ne7 Ne7 19.Qe7 Rae8 20.Qh4 Qh4 21.gh4 Be2 22.Be2 Re2 23.Nc3 Rc2 24.Rf3 Re8 25.Bf4 h6 26.Rc1 Rc1 27.Bc1 Re1 28.Rf1 Rf1 29.Kf1 f5 30.Nd5 Kf7 31.Nc7 Kg6 32.Ne8 Kh5 33.Nd6 (33...a5 34.c5 ab4 35.ab4+–) 1–0. marus – MasterMater69, internet, 2001.

6.Be2 h6 7.Nf3 Bd7 8.d4 ed4 9.ed4 Be7 10.d5 Nb8 11.0–0 0–0 12.Nbd2 Bf5 13.Nd4 Bg6 14.N2f3 c6 15.Bd3 c5 16.Bg6 fg6 17.Nc2 Nh7 18.Qd3 Qe8 19.Qc3 Bf6 20.Qb3 Bb2 21.Qb2 Qe4 22.Ne3 Nd7 23.Nd2 Qf4 24.g3 Qf6 25.Qb3 Ne5 26.Ne4 Qe7 27.Nd2 Nf3 28.Nf3 Rf3 29.Rae1 Qf6 30.Ng4 Rb3 31.Nf6 Nf6 32.Re7 cb4 33.Rb7 Ra3 34.Rb4 a5 35.Rb6 Rc3 36.Rd6 Rc4 37.Kg2 Rd4 38.h4 Rd5 39.Rd5 Nd5 0–1. jura1946 – erdemsb, kurnik, 2012.

6.Nf3 Bg4 7.Be2 e4 8.Nd4 Nd4 9.Bg4 Ng4 10.Bd4 Ne5 (10...Qh4 11.Qe2 c5 12.Bc3+=) 11.0–0 Qg5 12.Be5 de5 13.Qa4 c6 14.b5 Qg6 15.Nc3 Bc5 16.bc6 bc6 17.Qc2 (17.Qa5!? Bd6 18.Rfb1+=) 17...f5+= 18.Na4 Ba7 (18...Be7!?=) 19.c5+= 0–0 20.Qc4 (20.Rfd1 Kh8=) 20...Qf7 21.Rfc1 (21.Qa6!? Qd5 22.Nb6 Bb6 23.Qb6=) 21...Qc4–/+ 22.Rc4 Rfd8 23.Ra2 ˝–˝. Schwichtenberg,Juergen (1670) – Glaser,Heinz Alfred (1680), Wch Seniors, 2003.

6.Nf3 Bg4 7.Be2 e4 8.Nd4 Be2 9.Nc6 Bd1 10.Nd8 Rd8 11.Bf6 gf6 12.Kd1 Bg7 13.Nc3 f5 14.Kc2 c6 15.Rad1 d5 (15...Rg8=) 16.cd5 cd5 17.d4 Rg8 18.Rd2 Bf6 19.g3 Ke7 20.Kb3 Ke6 21.Na4 Be7 22.Rc1 b5 (22...Rc8!? 23.Nc5 Bc5 24.dc5 h5+=) 23.Nb6+/– Rc8?? (better is 23...h5+/–) 24.Rc8+– (24.Rc8 Rc8 25.Nc8+–) 1–0. Anonymous – tayh, internet, 2011.

6.Nf3 Bg4 7.h3 Bh5 8.d3 Be7 9.g4 Bg6 10.Nh4 d5 11.g5 Nh5 12.cd5 Qd5 13.Rg1 Qd7 14.Nd2 h6 (Better is 14...Bd6!?+=) 15.Ng6+– fg6 16.Bg2 Bg5 17.Qg4 Qd3? (Better is 17...Nf6 18.Qc4 0–0–0+–) 18.Be4 Qd6 19.h4 Nf6 20.Bg6 Kd8 21.Qh3 Nd5 (21...Ng8 22.Bf5 Nge7+–) 22.Be4 (22…Bf6 23.Nc4+–; 22.hg5?! Qg6 23.Nb3 Ke7+/–) 1–0. Luzuriaga,Norberto Horacio – Welti,Manfred, b4/03/14, 2003.

6.Nf3 h6 7.Be2 Be6 (7...e4 8.Nd4=) 8.d3 (8.d4 ed4 9.Nd4 Nd4 10.Qd4 d5+=) 8...Qe7 (8...Be7 9.0–0=) 9.Nc3 Na7 (9...g5 10.d4 ed4 11.Nd4 Nd4 12.Qd4+=) 10.0–0 g5 11.h3 (11.d4 g4 12.Nd2 Bg7+/–) 11...g4= 12.hg4 Bg4 13.Nh4 Be6 14.e4 (14.d4 Rg8=) 14...Rg8 (14...Ne4 15.de4 Qh4 16.f4–/+) 15.Nd5 (15.Nf5!? Bf5 16.ef5=) 15...Nd5–/+ 16.cd5 Bh3 (16...Bd5 17.Nf3 Bc6 18.Re1–/+) 17.g3 (better is 17.Kh2!? Bd7 18.Nf3=) 17...Bf1–/+ 18.Bf1?? (18.Kf1 c6–/+) 18...0–0–0 (18...Qh4 19.Rc1 Qe7 20.Bh3–+) 19.a4?? (better is 19.Nf5 Qf6 20.d4+=) 19...b6 20.Ng2 Qg5 21.Qe2 f5 22.ef5 Qf5 23.d4 Kb7 24.Qa6+/– Kb8 25.de5 de5 26.a5 b5 27.Bb5 Rd5?? 28.Bc6 Nc6+= 29.Qc6 e4?? 30.a6+– Rg6 31.Qb7 1–0. Fournier,Frederic (1880) – cito54, Active, 2008.

4.d3 d5

5.Nd2 d4 6.g3 a5 7.c3 ab4 8.cb4 Bd6 9.Bg2 Qe7 10.Ngf3 f6 11.0–0 Nh6 12.Nc4 0–0 13.Nd6 Qd6 14.Qb3 Kh8 15.e3 Be6 16.Qc2 Nf5 17.ed4 Nfd4 18.Nd4 Nd4 19.Qc3?? (better is 19.Bd4 Qd4 20.Bb7+=) 19...c6 (19...Ne2!? 20.Kh1 Nc3 21.Bc3 Qd3 22.Rfc1–+) 20.Rac1?? (better is 20.Rae1–/+) 20...Ne2–+ 21.Kh1 Nc3 22.Bc3 Qd3 23.Be5 fe5 24.Rc6 Bd5 25.Bd5 Qd5 26.Kg1–+ Qc6 27.Re1 Ra3 28.Re5 Qc1 29.Kg2 Ra2 30.Re4 Raf2 31.Kh3 Qh6 32.Kg4 g6 33.h4 Qh5 34.Kh3 Qf5 35.Rg4 Rf1 36.b5 Rh1 37.Kg2 Qf1# (37...Qf3#) 0–1. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

5.Nd2 Be6 6.c4 d4 7.c5 (7.Ngf3 Nh6+=) 7...Nf6 (7...a5 8.b5 Na7 9.Rc1 Nb5 10.Ngf3–/+) 8.g3 (8.Ngf3 Be7+=) 8...Nd5 (8...Bd5 9.Ngf3–/+) 9.Bg2 g6 (9...a5!? 10.b5 Na7–/+) 10.Ngf3= Bg7 11.0–0 Nc3 12.Bc3 dc3 13.Qc2?? (13.Ne4 f5 14.Neg5= (worse is 14.Nc3 e4 15.Rc1 ef3 16.Bf3 Qd7–/+)) 13...cd2–+ 14.Qd2 (14.Rab1 e4! 15.Nd2 Nd4 16.Qa4 Qd7 17.Qd7 Kd7 18.Ne4 Ne2 19.Kh1 h6–+) 14...e4! 15.Ne1 (15.de4 Ba1 Discovered attack) 15...Ba1 16.Be4 Bg7 17.Bg2 0–0 18.Nc2 Rb8 19.Rd1 Nd4 20.e3 Nc2 21.Qc2 b6 22.d4 bc5 23.dc5 Qe7 24.f4 Qf6 25.e4 Qc3 26.Qd3 Bc4 27.Qc3 Bc3 28.Rc1 Bd4 29.Kh1 Bb5 30.e5 c6 31.Rd1 Rfd8 32.Re1 Bb2 33.Re3 Rd3 34.Rd3 Bd3 35.Bc6 Ba3 36.b5 ab5 37.Bd7 b4 38.c6 Ba6 39.c7 Rc8! 40.Bc8 Bc8 41.Kg2 b3 42.h3 b2 43.g4 b1Q 44.f5 Qc2 45.Kg3 gf5 46.gf5 Qf5 47.e6 Be6 48.h4 Qg4 49.Kf2 Bc5 50.Ke1 Qe4 51.Kd2 Bb4 52.Kc1 Qc4 53.Kd1 Bc8 54.h5 f5 55.h6 Qd3 56.Kc1 Qd2 57.Kb1 f4 58.Ka1 f3 59.Kb1 f2 60.Ka1 f1Q# 0–1. golfx – lucyna545, kurnik, 2011. (=1.a3 Nc6 2.b4 a6 3.Bb2 e5)

5.Nd2 Nf6 6.g3 Bd6 7.Bg2 Be6 8.Ngf3 d4 9.c3 h6 10.cd4 ed4 11.0–0 0–0 12.Nb3 Re8 13.Nbd4 Nd4 14.Nd4 Bg4 15.Bb7 Be2 16.Ne2 Rb8 17.Bg2 Be5 18.Be5 Re5 19.d4 Re6 20.Nc3 Rd6 21.d5 Qd7 22.Qe2 Rd8 23.Qa6 Ra6 24.Rfd1 Rd6 25.Rd2 Qf5 26.Rad1 Rc6 27.Ne2 Rcd6 28.Nd4 Qd7 29.Nc6 Ra8 30.f4 Ra3 31.Ne5 Qa4 32.Rc1 Ra1 33.Rdc2 Rc1 34.Rc1 Qb4 35.h3 Qd4 36.Kh2 Nd5 37.Rb1 Nf4 38.gf4 Qf4 39.Kh1 Qe5 40.Rb8 Kh7 41.Rb4 Rd4 42.Rb1 Rc4 43.Rg1 Qc5 44.Kh2 Rc1 45.Rc1 Qc1 46.h4 Qf4 47.Kh3 c6 48.Bc6 f5 49.Bg2 Qg4 50.Kh2 f4 51.Kg1 Qh4 52.Kf1 Qg3 53.Be4 Kh8 54.Ke2 f3 55.Ke3 f2 0–1. sagonek – archetypwody, kurnik, 2012.

5.Nd2 Bg4 6.g3 f5 7.Bg2 Nf6 8.f3 Bh5 9.Qc1 Bd6 10.e4 Qd7 11.c4 d4 12.c5 Be7 13.Ne2 fe4 14.de4 0–0 15.0–0 Ne8 16.Nc4 b5 17.cb6 Rb8 18.bc7 Nc7 19.Qd2 Nb5 20.Rad1 h6 21.g4 Bf7 22.Qd3 Rfc8 23.Nd2 Nca7 24.h3 Rc7 25.f4+/– Bd6 26.fe5+– Be5 27.Nf3 Bf6 28.e5 Be7 29.Nfd4 Rd8 30.Qf5 Nd4 31.Nd4 Qf5 32.gf5 (32.Rf5?! Nb5 33.Kh2 Rc4+–) 1–0. cibis – ofenix, kurnik, 2011.

5.e3 Nf6 6.h3 Bd6 7.g4 h6 8.Be2 0–0 9.h4 Nh7 10.g5 hg5 11.hg5 Qg5 12.Nf3 Qg2 13.Rg1 Qh3 14.Qd2 f5 15.Nc3 Be6 16.Rg3 Qh6 17.Bf1 e4 18.Rh3 Qg6 19.Nd4 Nd4 20.ed4 f4 21.Ke2 Bh3 22.Bh3 Rae8 23.Nd5 Qh5 24.Ke1 Qh3 25.Nf4 Bf4 26.Qe2 ed3 0–1. chocobom – tmks, kurnik, 2012.

5.g3 Nf6 6.Bg2 Bd6 7.Nd2 0–0 8.Ngf3 e4 9.de4 Ne4 10.Ne4 de4 11.Nd4 Nd4 12.Bd4 Bf5 13.0–0 Re8 14.c4 b6 15.Rc1 c5 16.Bc3 cb4 17.ab4 a5 18.ba5 ba5 19.e3 Bb4 20.Qd4 Qd4 21.Bd4 Rac8 22.c5 a4 23.Rc4 Re6 24.Rb4 Bg4 25.Ra4 Rec6 26.Ra7 h6 27.Be4 R6c7 1–0. sagonek – rovin9, kurnik, 2012.

4.d3 d6

5.Nd2 Be6 6.g3 Qd7 7.Bg2 0–0–0 (7...Nf6 8.Ngf3=) 8.Ngf3 h6 9.0–0 f5 (9...g5!?=) 10.c4+= Na7 11.b5 (11.Rc1 g5+=) 11...a5 (better is 11...ab5!? 12.Qc2 g5=) 12.Bc3 b6 13.d4 e4 14.Ne1 (better is 14.d5 ef3 15.de6 Qe6 16.Bf3+/–) 14...g5?? (better is 14...d5 15.Qa4 dc4=) 15.c5?? (better is 15.d5 Rh7 16.de6 Qe6 17.g4+–) 15...dc5 16.dc5–/+ Bg7 17.cb6 cb6 18.Qc2 Kb8 19.Bg7 Qg7= 20.Rc1 Ne7?? 21.Qc7+– Ka8 22.Qb6 Rd2 23.Rc7 Nd5 24.Qb7# (24.Qa7#) 1–0. golfx – lucyna545, kurnik, 2011. (=1.a3 e5 2.b4 Nc6 3.Bb2 a6)

5.Nd2 Be7 6.g3 Bg5 7.Bg2 Nf6 8.Ngf3 h6 9.0–0 Nh7 10.c4 Bg4 11.e3 Qf6? (11...Bf6 12.d4+=) 12.Ne4 (12.h4!?+–) 12...Qg6 (12...Qf5 13.Rc1+=) 13.Neg5 (13.b5!? Bf3 14.Bf3 ab5 15.cb5+/–) 13...Ng5+= 14.h3?? (better is 14.Nh4 Qe6 15.Qa4=) 14...Bf3 (14...Nh3!? 15.Bh3 Bh3 16.Re1–+) 15.Bf3–/+ Nh3 16.Kg2 Ng5 17.Rh1 Nf3–/+ 18.Qf3 Qd3–+ 19.Rhd1 Qc4 20.Rac1 Qe6 21.Rc6 bc6 22.Qc6+= Ke7 23.Qc7 Qd7 24.Qd7 Kd7 25.Be5 f6 26.Bd6 Ke6 27.Bc5 Rhd8 28.Rd8 Rd8 29.Bd4 Kd5 30.Kf3 Kc4 31.Kf4 Kb3 32.Kf5 Ka3 33.Kg6 Rd7 34.f4?? Kb4–+ 35.Bb6 a5 36.e4 a4 37.e5 fe5 38.fe5 a3 39.e6 Re7 40.Kf5 a2 41.Bd8 Re8 42.e7 a1Q 43.Kg6 Qf6 44.Kh7 g5 45.g4 Re7 46.Be7–+ Qe7 47.Kh6 Qf6 48.Kh5 Qf4 49.Kg6 Qg4 50.Kf6 Qf4 51.Kg6 g4 52.Kh5 g3 53.Kg6 g2 54.Kh7 g1Q 55.Kh8 Qh4# 0–1. golfx – nehramvrobote, kurnik, 2011. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

5.Nd2 Bg4 6.Ngf3 Nf6 7.g3 Be7 8.Bg2 Qd7 9.0–0 h6 10.c3 0–0–0 (10...0–0!?=) 11.c4+= d5? (better is 11...Nb8+=) 12.b5+– (12.Be5?! Bf3 13.Nf3 dc4 14.dc4 Qe6+=) 12...Na7 (12...ab5 13.cb5 Nd4 14.Ne5 Ne2 15.Kh1 Qb5 16.Ng4 Ng3 17.fg3 Qb2 18.Rb1+–) 13.ba6 ba6 14.cd5 Nd5 15.Ne5 Qf5? (15...Qe6 16.Ng4 Qg4 17.Qb3+–) 16.Ng4 (better is 16.Qa4 Kb7 17.Qb3 Kc8 18.Bd5+–) 16...Qg4 17.e4 (17.Qb3 Nb6 18.Rfc1 Nb5+–) 17...Nf6 (17...Qd1 18.Rfd1 Nf6 19.Rab1+–) 18.Qg4 (better is 18.Qa4!? Qe6+–) 18...Ng4 19.Bh3 h5 (19...f5 20.d4+–) 20.d4 (20.f3 Bc5 21.Kh1 Rd3+–) 20...Nb5 21.Nf3 Kb8 22.d5 Nf6 23.Bf6 Bf6 24.Rab1 Ka7 25.Rfc1 Rd6? 26.a4 Nc3 27.Rb4?? Ne2–+ 28.Kg2 Nc1 29.Rc4 Rb8?? 30.Rc1 Rbb6? 31.Rc7 Rb7 32.Rc4 Rdb6? 33.e5+– Be7 34.d6 Bf8? 35.d7 Be7 36.Nd4 Rb4 37.Rb4 Rb4 38.Nc6 Kb6 39.Ne7 Rd4 40.f4 Ka5 41.Nc8 Ka4 42.Nd6 Kb4 43.d8Q Rd2 44.Kg1 (44.Kg1 Rd5 45.Qb6 Rb5 46.Qa6+–) 1–0. golfx – hektor1968, kurnik, 2011.

5.Nd2 Bg4 6.g3 Qd7 7.Bg2 h5 8.h3 Be6 9.Ngf3 f6 10.Ne4 g5 11.d4 (11.c4 Rh6+=) 11...ed4 (better is 11...d5!? 12.Nc5 Bc5 13.bc5 e4+=) 12.Nd4+= Nd4 13.Bd4 0–0–0 (13...Bg7 14.h4 Qe7 15.Qd3+=) 14.Nf6 Nf6 15.Bf6 Be7? (better is 15...Bg7 16.Qd4 Bf6 17.Qf6 h4+=) 16.Bh8+– Rh8 17.Qd4 Rf8 18.0–0 (18.Qa7 c6+–) 18...Bf6? (better is 18...Bh3 19.Bh3 Qh3+/–) 19.Qd3?? (better is 19.Qa7 Kd8 20.Rac1+– (20.Qb7?! Ba1 21.Ra1 Bh3+/–; 20.Bb7?! Bh3 21.Qa8 Ke7 22.Qa6 Ba1 23.Ra1 Qf5+/–)) 19...Ba1+= 20.Ra1 Bh3 21.Qg6 Bg2–/+ 22.Kg2 h4 23.Qg5 hg3 24.fg3 Qc6 25.Kg1 Qc2 26.Rf1 Rh8 27.Qg7 Rd8 28.Rf2 Qc1–/+ 29.Kg2 Qa3 30.Rf8? Qb4–+ 31.Rd8 Kd8 32.Qf8 Kd7 33.Qf7 Kc6 34.Qe8 Kb6 35.Qe3 Qc5 36.Qc5 dc5 37.g4 c4 38.g5 c3 39.g6 c2 40.g7 c1Q 41.g8Q Qc6 42.Kf2 Qc5 43.Ke1 a5 44.Qb3 Qb5 45.Qe3 Qc5 46.Qb3 Qb4 47.Qb4 ab4 48.Kd2 Kc5 49.Kd3 b5 50.e4 White threatens to counter with Kd5 50...c6 51.Kc2 Kd4 52.Kb3 Ke4 53.Kb4 Kd5 54.Kc3 c5 55.Kb3 b4 56.Kc2 Kd4 57.Kb3 Kd3 58.Kb2 c4 59.Kc1 c3 60.Kd1 b3 Black prepares c2 61.Kc1 b2 62.Kd1 c2 63.Ke1 b1Q 64.Kf2 c1Q 65.Kf3 Qe1 66.Kf4 Qbb4 67.Kf3 Qbe4# 0–1. golfx – donatosss, kurnik, 2011.

5.Nd2 h6 6.Ngf3 Nf6 7.g3 Bg4 8.Bg2 Qd7 9.c4 Be7 10.0–0 0–0 11.Qb3 Rab8 12.e4 a5 13.b5 Nd8 14.Bc3 b6 15.Qb2 Nb7 16.d4 ed4 17.Bd4 Nc5 18.Bc5 dc5 19.Rad1 Qe6 20.Rfe1 Rfe8 21.Re3 h5 22.Rde1 Bh3?? 23.Qe5 Qe5+= 24.Ne5 Bg2 25.Kg2 Rbc8 26.Nc6 Bd6?? 27.e5+– Bf8 28.ef6 Re3 29.Re3 gf6 30.Ne7 Be7 31.Re7 Kf8 32.Re4 Rd8 33.Nf3 Rd1 34.Rf4 Kg7 35.Nh4 Ra1 36.Nf5 Kf8 37.Ne3 Ra3 38.Nd5 a4 39.Nc7 Rc3 40.Re4 a3 41.Nd5 Rc1 42.Re2 Rc4 43.Nb6 Rb4 44.Nd7 Kg7 45.Nc5 Rb5 46.Ne4 Rb2 47.Re3 a2 48.Ra3 f5 49.Nc3 Kg6?? 50.Na2 f6 51.Nc3 f4 52.gf4 Kf5 53.Nd5 Rd2 (53...Rd2 54.Ne3 Kg6 55.f5 Kg5+–). golfx – donatosss, kurnik, 2011. (=1.a3 e5 2.b4 Nc6 3.Bb2 a6)

5.Nd2 Bf5

6.c4 Qd7 7.Bc3 Nf6 8.Qb3 (8.e4 Be6=) 8...h6 (8...Be7 9.e4 Bg4 10.Be2+=) 9.Ngf3= g5 10.g3 g4 11.Nh4 Bh7 12.b5 ab5 13.cb5 Na5 (13...Nd4 14.Bd4 ed4 15.h3+=) 14.Ba5 (better is 14.Qa4!? Qd8 15.Bg2+/–) 14...Ra5+= 15.a4 b6 (15...Ra7 16.h3+=) 16.Bg2 Be7?? (better is 16...d5=) 17.Bc6+– Kf8 (17...Qc6 18.bc6 d5 19.h3+–) 18.Bd7 Nd7 19.0–0 Nc5 20.Qc4 Bh4 21.gh4 Bf5 22.Kg2 Be6 23.f3 gf3 24.Nf3 Bc4 25.dc4 Ne4 26.Kh3 Nc3 27.Rf2 Na4 28.Nd2 Nc5 29.Raf1 Rh7 30.Rf3 Ra2 31.Rd1 Ne6 32.Ne4? Re2 33.Nf6 Rg7 34.Nh5 Rg6 35.Rdf1 Nf4! 36.Nf4 ef4 37.Rf4 Re7 38.h5 Re3 39.Kh4 Rg7 40.Rf6 Re4 41.R1f4 Rf4 42.Rf4 Ke7 43.Rf5 Rg2 44.h3 Rc2 45.Rf4 1–0. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 Nc6 3.Bb2 a6)

6.e4 Be6 =.

6.Ngf3 Qd7 7.g3 (7.e4 Bg4=) 7...h6 8.Bg2 Nf6 9.c4 Be7 10.b5 ab5 11.cb5 Na5 12.a4 0–0 13.Rc1 c6 14.bc6 bc6 15.Nc4 Nc4 16.Rc4 c5 (16...Be6 17.Rc3–/+) 17.0–0 (17.Be5 de5 18.Ne5 Qc7 19.Ba8 Ra8–/+) 17...Rab8 (17...Be6 18.Rc1–/+) 18.Bc3? (better is 18.Qc2!?+=) 18...Be6–+ 19.a5 Bc4 20.dc4 Qa7 21.Qa4 Bd8 22.Ra1 Nd7 23.Nd2 Ra8?? 24.Ba8+– Qa8 25.f3 Nb8+= 26.Ne4 Bc7 27.a6 Nc6 28.a7 Nd4 29.Bd4+– ed4 30.Qb5 Re8?? 31.Qd7 Rc8 32.Nd6 Bd6 33.Qd6 Re8? 34.Kf2 f6? 35.Qd7 Rc8 36.Rb1 Rf8 37.Qb7 Rd8 38.Qa8 Ra8 39.Rb7 g5 40.Rb8 Rb8 41.ab8Q Kf7 42.Qd6 Kg6 43.Qc5 f5 44.Qd4 f4 45.Qf4! gf4 46.gf4 Kf5 47.e3 h5 48.Kg3 Kf6 49.h4 Ke6 50.e4 Kd6 51.f5 Kc5 52.Kf4 Kc4 53.Kg5 Kd3 54.f6 Ke3 55.Kh5 Kf3 56.e5 Kf4 57.e6 Kf5 58.f7 Ke6 59.f8Q (59.f8Q Ke5 60.Kg6 Ke6 61.h5 Kd5 62.Qf5 Kc4 63.Qe6 Kb5 64.h6 Kc5 65.h7 Kd4 66.h8Q Kd3 67.Qhh3 Kc2 68.Qhb3 Kd2 69.Qee3#) 1–0. golfx – lomakon, kurnik, 2012.

6.g3 Qd7 7.Bg2 Nf6 8.c4 Be7 9.b5 (9.Ngf3 Bh3 10.0–0 0–0=) 9...ab5+= 10.cb5 Nd4?? (better is 10...Nd8+=) 11.Bd4+– (11.Bb7 Rb8 12.Bg2 Rb5 (12...Qb5? 13.Bd4 Qa5 14.Be3+–) 13.Bd4 ed4=) 11...ed4 12.Nb3?? c6 13.Nd4 Bg6?? 14.bc6+– Qc7 15.cb7 Rb8 16.Qa4 Nd7 17.Nc6 Qb7? 18.Nf3 0–0?? 19.0–0 Nb6? 20.Nb8?? Na4–+ 21.Rab1 Qa7 22.Nc6 Qd7 23.Ne7 Qe7 24.Rb4 Nc5 25.a4? Qe2 26.a5 Nd3 27.a6 Nb4 28.a7 Qa6 29.Nh4 Qa7 30.Ng6 fg6 31.Rb1 Qf2 32.Kh1 Nd3 33.Rd1 Ne1 34.Bh3 Nf3 35.Bg2 Qe2 36.Rf1 Nd2 37.Bd5 Rf7 38.Bf7?? Kf8 (38...Kf8 39.Bc4 Qf1 (39...Nf1?! 40.Be2 Nd2 41.Kg1–+) 40.Bf1 Nf1–+) 0–1. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

6.g3 Qd7 7.Bg2 Nf6 8.e4 Bg4 9.f3 Be6 10.c3 (10.f4 ef4 11.gf4 Qe7=) 10...h6 (10...d5!?+=) 11.d4= ed4 12.cd4 Na7? (better is 12...d5=) 13.d5+– Nd5 14.ed5 Bd5 15.Ne4 0–0–0?? (15...Be6 16.Ne2+–) 16.Ne2 Re8?? 17.0–0 f5? 18.N4c3 Bc6 19.a4 b6 20.b5! ab5 21.ab5 Nb5 22.Nb5 Bb5 23.Re1 Be7? 24.f4 Bf6?? 25.Ra8# 1–0. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

6.g3 Qd7 7.Bg2 Nf6 8.e4 Bg4 9.f3 Bh5 10.g4 Bg6 11.Ne2 h6 12.Ng3 Be7 13.Nf5 0–0–0 (13...Bf5 14.gf5 Nh5 15.0–0–/+) 14.Ne7 Qe7 15.c4 Nd4 16.b5 ab5 17.cb5 Nb5 18.Qa4 c6 19.Kf2 (19.d4 ed4 20.Rc1 Kd7–+) 19...h5 (19...d5–/+) 20.Qb4? (better is 20.g5!? Nd7 21.f4–/+) 20...hg4–+ 21.a4 gf3 22.Bf3 Nd4! 23.a5?? Nc2 24.Qb6 Na1 25.Ba1 Qc7 26.Bc3 Qb6 27.ab6 Bh5 28.h3 Bf3 29.Nf3 Rh6 30.Ng5 Rf8 31.Kg3 Nh5 32.Kf3 Nf4 33.h4 Nd3 34.Kg4 Nf2 35.Kg3 Nh1 36.Kg2 Rh4 37.Nf3 Rh6 38.Bd2 Rh5 39.Ng5 Rfh8 40.Be3 Rh2 41.Kg1 Ng3 42.Nf7 R8h7 43.Nd6 Kd7 44.Nc4 Ne2 (44...Ne2 45.Kf1 Ke6–+) 0–1. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

6.g3 Nf6 7.Bg2 Qd7 8.Ngf3 Bg4 9.0–0 h5 10.h4 Be7 11.e4 (11.c4=) 11...d5 (better is 11...0–0!?=) 12.ed5+/– Qd5 13.c4 (13.Qe1 Qd7+/–) 13...Qe6 (13...Qd3 14.Be5 0–0–0 15.Re1+=) 14.Ne4?? (14.Qe1 Qd7+/–) 14...Nd4?? (14...Ne4 15.de4 Qc4 16.Rc1+=) 15.Nf6 Qf6= 16.Bd4 ed4 17.Qb3?? Bf3–+ 18.Bf3 Qf3 19.Rfe1 Qc6 20.Re4 Qf6?? 21.Rae1+= g5 22.c5 gh4= 23.Rh4?? Rg8?? 24.Qd5?? Qh4–+ 25.Qb7 Rd8 26.Qc7?? Qf6–+ 27.Re4 h4 28.Kf1 hg3 29.f3 Qf3 30.Ke1 Qf2 31.Kd1 Qf1 32.Kc2 Rd7 33.Qc8= Rd8 34.Qc6 Rd7 35.Qc8 Rd8 36.Qc6 Kf8 37.Qc7?? Qf2 38.Kb3 Bc5 39.bc5 Re8 40.Re8 Ke8 41.Qc8?? Ke7–+ 42.Qg8 Qe3?? 43.Qg4?? Qd3 44.Kb4 Qb5# 0–1. golfx – adam2201, kurnik, 2011.

6.g3 h6 7.Bg2 f6 (7...Nf6 8.Ngf3=) 8.c4 Be7 9.b5 (9.Ngf3 Qd7+=) 9...ab5= 10.cb5 Nd4? (better is 10...Na5=) 11.Bd4+– ed4 12.Qb3 (12.Bb7 Ra7 13.Bd5 Bf8+–) 12...Rb8 13.Ndf3 (13.Bd5 Kf8+–) 13...Qd7? (better is 13...c5 14.bc6 bc6+/–) 14.Nd4+– Bg6? 15.Qe6 Rd8? 16.Qd7 Rd7 17.Ne6 Bf7 18.Ng7 Kf8 19.Nf5 h5 20.Bb7 c5 21.bc6 Rc7 22.Ne7 Re7 23.Nf3 Nh6 24.a4 Kg7 25.a5 Be8 26.a6 Nf5 27.a7 Rb7 28.cb7 Bc6 29.b8Q Rb8 30.ab8Q Bf3 31.ef3 Nd4 32.Qa7 (32.Qa7 Kh6 33.Qd4 Kg7 34.Ra7 Kg6 35.Qe4 f5 36.Qe6 Kg5 37.h4#; 32.Ra7 Kh6 33.Qg8 Nf3 34.Kd1 Nh2 35.Qg7#) 1–0. golfx – lomakon, kurnik, 2012. (=1.a3 e5 2.b4 a6 3.Bb2 Nc6)

4.d3 h6

5.Nd2 Nf6

6.g3 d5!? +=.

6.g3 d6 7.Bg2 Bf5 8.Ngf3 Qd7 9.c4 Be7 10.Nh4 Bh3 11.0–0 Bg2 12.Kg2 (12.Ng2!? d5 13.cd5 Qd5 14.f4=) 12...g5+= 13.Nhf3 g4 14.Ng1 h5 15.h4 (15.e3+=) 15...Nh7 (better is 15...gh3 16.Nh3 h4–/+) 16.Ne4 0–0–0 17.b5 ab5 18.cb5 Na7 (18...Nb8 19.b6+=) 19.a4 (19.b6 cb6 20.Qb3 d5 21.Rfc1 Nc6+/–) 19...Rdf8 20.Rc1 Kb8 21.Qd2 Rc8 22.d4 c5? 23.de5+– Qd8 24.Nd6 Bd6 25.Qd6 Qd6 26.ed6 Rcd8 27.Bh8 Rh8 28.Rc5 Rd8 29.Rd1 Nc8 30.d7 Ne7 31.e3 Nf6 32.Ne2 Ne4 33.Rh5 Rd7 34.Rd7 Kc8 35.Re7 Kb8 36.Re4 (36.Re4 Ka7 37.a5 f6 38.Re8 f5 39.Rhh8 f4 40.Ra8#; 36.b6 Nd6 37.Rh8 Nc8 38.Ree8 f6 39.Rc8#) 1–0. golfx – lomakon, kurnik, 2012.

6.g3 d6 7.Bg2 Bf5 8.Ngf3 Be7 9.e3 Qd7 10.c4? (10.0–0 0–0=) 10...Ng4?? (better is 10...Bd3!? 11.Qb3 e4–/+) 11.b5 (11.d4!?=) 11...ab5+= 12.cb5 Na7 13.a4 Bd3–/+ 14.e4 0–0 15.Qb3+= Nb5? 16.Qd3+– Nd4 17.Nd4 ed4 18.Qd4 Bf6 19.Qb4 c5 20.Qb3 Bb2 21.Qb2 d5 22.0–0 de4 23.Ne4 Rac8 24.Rfc1 c4 25.Qb4 Qd4 26.Qb7 f5 27.Rd1 Qe5 28.Nd6 Rb8 29.Qd5 Qd5 30.Bd5 Kh7 31.Bc4 Rb2 32.Rf1 Rd8 33.Nf5 Rdd2 34.Nh4 Nf2 35.a5 Ng4 36.Nf3 Ne3 37.Rfe1 Nc2?? 38.a6 Na1 39.Ra1 Rg2 40.Kh1 Rgf2 41.Bd5 (41.Bd5 Rfe2 42.a7+–) 1–0. golfx – lomakon, kurnik, 2012.

6.g3 d6 7.Bg2 Bg4 8.Ngf3 Qd7 9.0–0 Be7 10.c4 h5 11.Qc2 (11.d4 ed4 12.Nd4 Nd4 13.Bd4 0–0–0+=) 11...h4= 12.Nh4 Nh5 (12...Be2!? 13.Rfe1 Bg4=) 13.Nhf3+/– Bf3 14.Nf3 Nf6 15.e4 Ng4 16.h3 Nf6 17.Qe2 0–0–0 (17...Qe6 18.d4 ed4 19.Nd4 Nd4 20.Bd4+/–) 18.b5+– ab5 19.cb5 Nb8 20.a4 Rh7 (20...Rde8 21.Rfd1+–) 21.h4 Rdh8? 22.Ng5 Rh5 23.Nf7 R8h7 24.Ng5 R7h6 25.d4 ed4 26.Bd4 Ng4 27.Bg7 Rg6 28.Bd4 Bg5 29.hg5 Rgg5 30.f3 Nh2 31.g4 Rh7 32.Bf2?? Nf1+= 33.Kf1 Qf7 34.Bg3?? Nd7?? 35.Rc1 Ne5 36.Be5 Re5 37.b6 c6 38.a5 Ra5+= 39.Kf2? Ra2 (39...Ra2 40.Rc2 Rc2 41.Qc2 Qf6–/+) 0–1. golfx – lomakon, kurnik, 2012.

6.g3 Bd6 7.Bg2+= 0–0 8.Ngf3 Qe7 9.0–0 Na7 (9...Qe6 10.Nc4+=) 10.e4 (10.c4 c5 11.bc5 Bc7+/–) 10...c5 (10...Nc6 11.Nc4 Qe6 12.Nd6 Qd6 13.d4 ed4 14.Nd4+/–) 11.c3 (11.bc5 Bc7+/–) 11...cb4 12.cb4 Bc7 13.Nc4 The pressure on e5 grows 13...d6 14.Qc2 Bg4 15.Rac1 Nc6 16.h3 Be6 17.g4 (17.Rfd1 Rac8 18.d4 b5+=) 17...Qd7 (17...Rac8 18.d4 Ne4 19.Nce5 Ne5 20.Ne5=) 18.Qd2 (18.Rfd1 h5 19.d4 ed4 20.Nd4 hg4 21.hg4 Nd4 22.Rd4 Ng4+= (22...Bg4? 23.Ne5 Qe6 24.Ng4+–)) 18...h5 19.Qg5 (19.g5!? Nh7 20.Qe3=) 19...hg4–/+ 20.hg4 Ng4 21.Nh4? Nh6 22.f4 Bd8 23.Qg3+= ef4?? 24.Qg7# 1–0. golfx – lomakon, kurnik, 2012.

6.g3 Bd6 7.Bg2 Qe7 8.Ngf3 (8.c4 Qd8+/–) 8...b5 9.c4 bc4 10.dc4 Qe6 (better is 10...Rb8!?+=) 11.c5+/– Bf8 12.Qb3 Qb3 13.Nb3 Be7 (13...e4 14.Nh4 Be7+–) 14.Ne5 (worse is 14.Be5 Ne5 15.Ne5 Rb8+–) 14...Ne5 (14...Bb7 15.Nc6 Bc6 16.Bc6 dc6 17.Na5+–) 15.Ba8 c6 16.Be5 Nd5 17.b5 ab5 18.a4 ba4 19.Ra4 0–0 20.0–0 f6 21.Bd6 Bd6 22.cd6 Nc3 23.Ra7 Ne2 24.Kg2 Nc3 25.Nc5 Nb5 26.Ra5 Nd6 27.Rd1 Nc4 28.Ra7 Nb6 29.Nd7 Bd7 30.Bc6?? Bc6–/+ 31.f3 Nd5 32.Ra6?? Ne3–+ 33.Kf2 Nd1 34.Ke2 Nc3 35.Kd2 Bf3 36.Kc3 Rc8 37.Kd3 Bg2 38.Ke3 Re8 39.Kf4 Kf7 40.h4 Kg6 41.g4 Re7 42.Kg3 Bh1 43.h5 Kf7 44.Kh2 Bf3 45.Kg3 Bd1 46.Rd6 Re4 47.Rd1+= Re3 48.Kf4 Re5 49.Rd7 Kg8 50.Rd8 Kh7 51.Rd4 Rg5 52.Rd2 Rc5 53.Rg2 Rc4 54.Kg3 Rc3 55.Kh2 g6 56.hg6 (56.hg6 Kg6 57.Rg3–/+). golfx – lomakon, kurnik, 2012.

4.e3 d6

5.c4 Be7 6.h3 Be6 7.Nf3 f6 8.d4 ed4 9.Nd4 Nd4 10.Bd4 Qd7 11.Bb2 Nh6 12.Nc3 Nf5 13.Be2 0–0 14.0–0 c6 15.Qc2 d5 16.Rad1 Qc7 17.cd5 cd5 18.Qb3 Rad8 19.Nd5 Bd5 20.Rd5 Nd6 21.Rc1 Qb6 22.Rcd1 Ne4 23.Rd8 Kh8 24.Rf8 Bf8 25.Bf3 Ng5 26.Qd5 h6 27.Bh5 Qc7 28.Bg6 Be7 29.Qd7 Qd7 30.Rd7 Bf8 31.Rb7 Kg8 1–0. vihavald – wojtekszachy2, kurnik, 2012.

5.c4 Nf6 6.d4 ed4 7.ed4 Be7 8.Bd3 0–0 9.Nd2 h6 10.Ngf3 Bg4 11.Qc2 Bf3 12.Nf3 (worse is 12.gf3 d5+=) 12...d5 13.c5 Ne4 14.0–0 f5 15.Rfe1 Bg5 16.Ne5 (16.Be4?! A) worse is 16...de4 17.Qb3 Kh7 18.d5+/– (worse is 18.Ng5 Qg5 19.d5 Ne7+/–); B) 16...fe4 17.Ne5 Qe8=) 16...Ne5 17.de5 (17.Be4?! fe4 18.de5 Qe7=) 17...Be7 18.f3 c6 19.fe4 fe4 20.Bf1 Bg5 21.g3 Qd7 22.Rad1 Qe6 23.Bg2 Rad8 24.Qe2 Kh8 25.Bd4 Rf7 26.Rf1 Rdf8 27.Rf7 Rf7 28.Rf1 Rf1 29.Qf1 Kh7 30.Bh3 Qe7 31.Qf5 g6 32.Qd7 Qd7 33.Bd7 Bc1 34.Bc8 Ba3 35.Bb7 Bb4 36.Bc6 a5 37.Bd5 a4 38.c6 Ba5 39.Be4 a3 40.Bd5 Kg7 41.e6 Kf8 42.Bc5 Ke8 43.Ba3 Bb6 44.Kg2 (44.Kg2 h5 45.c7 Bc7 46.Bc6 Kd8 47.e7 Kc8 48.e8Q Bd8 49.Qd7 Kb8 50.Qb7#) 1–0. ferminkatcho (1875) – imerhisenaj (1845), kurnik, 2011.

5.c4 g6 6.d4 e4 7.d5 Nce7 8.Bh8 f6 9.Nd2 Bf5 10.Ne2 g5 11.Ng3 Bg6 12.Nge4 Be4 13.Ne4 Qd7 14.Nf6 Nf6 15.Bf6 0–0–0 16.Be2 Re8 17.Be7 Re7 18.Bg4 1–0. amator111 (1610) – rabbcio1, kurnik, 2012.

5.c4 h6 6.b5 ab5 7.cb5 Na7 8.a4 Nf6 9.Nf3 Bg4 10.Be2 b6 11.d4 Ne4 (better is 11...e4!? 12.Nfd2 Be2 13.Qe2 d5=) 12.de5+/– de5 13.Ne5?? (better is 13.Be5 Qd1 14.Bd1 Bb4 15.Ke2+/–) 13...Qd1 (better is 13...Bb4!? 14.Nc3 Qd1 15.Bd1 Bd1 16.Rd1 Bc3 17.Bc3 Nc3–+) 14.Kd1–/+ Nf2 15.Kd2? (15.Ke1 Nh1 16.Bg4 Rd8+=) 15...Rd8 (15...Be2 16.Ke2 Nh1 17.Nc3–+) 16.Bd4? (better is 16.Ke1 Nh1 17.Bg4–/+) 16...Bb4–+ (16...Nh1 17.Bg4 Bc5 18.Nc3+=) 17.Nc3 Bc3 18.Kc3 Be2 19.Rhe1 Ne4 20.Kb4 White prepares a5 20...c5?? 21.bc6= Ba6 22.a5 Rc8?? 23.ab6+– Nc6 24.Kb3?? Nb8 25.Ra6? Na6–+ 26.Nc4 Nac5 27.Kc2 0–0 28.Na5 Nb7 29.Kd3 Nec5 30.Bc5 Nc5 31.Ke2 Rb8 32.Nc6 Rb6 33.Ne7 Kh7 34.Nd5 Rb2 35.Kf3 Nd3 36.Re2 Ne5 37.Kf2 Re2 38.Ke2 Ng4 39.h3 Nf6 40.Ne7 Ra8 41.g4 g5 42.Nf5 Ra2 43.Kd3 Nd5 44.Ke4 Nc3 45.Ke5 Ra6 46.Kd4 Ne2 47.Kc5 Ng1 0–1. ariank – daliuss, kurnik, 2012.

5.d4 ed4 6.ed4 Qe7 (6...d5 7.Nf3=) 7.Be2 Bg4 8.Nd2 Nf6 (8...0–0–0 9.c4=) 9.Ngf3+= 0–0–0 (9...d5 10.0–0+=) 10.c4 (10.0–0 d5+=) 10...d5 (10...Re8!?=) 11.b5+/– ab5 12.cb5 Na5 (12...Nb8 13.0–0+/–) 13.0–0 Nc4 (13...Ne4 14.Re1+/–) 14.Nc4 (14.Bc4 dc4 15.Qa4 Be6+–) 14...dc4 15.Bc4 h5 (better is 15...Qe4+–) 16.Re1 Qd6 (16...Bf3 17.Qf3 (17.gf3?! Qd7+/–) 17...Qd7 18.Rac1+–) 17.Bf7 h4 (17...Qf4 18.Bc1 Qd6 19.Be3+–) 18.h3 Rd7 (18...Bh5 19.Bh5 Rh5 20.Qa4+–) 19.Bg6 (19.Qa4 Kb8 20.Ne5 Bh3 21.gh3 Re7+–) 19...Rh6 (19...Bf3 20.Qf3 (20.gf3?! Kb8+–) 20...Kb8 21.Bf5+–) 20.Bd3 (better is 20.Qa4!? Kb8 21.Ne5 Be6+–) 20...Bf3 21.Qf3 c6 22.Bf5 cb5 23.Bd7 Kd7 24.Qb7 Qc7 25.Qb5 Qc6 26.Qc6 Kc6 27.Rac1 Kb5 28.Re6 Nd5 29.Rh6 gh6 30.Rc8 Be7 31.Rh8 Ka4 32.Rh6 Kb3 33.Bc1 Kc2 34.Rc6 Kd1 35.a4 Nb4 36.Re6 Bd8 37.Be3 Nc2 38.d5 Ne1 39.d6 Ke2 40.Bg5 (40.Bg5 Kd3 41.Bd8+–) 1–0. Otto,Norbert (2075) – Doederlein,Frank (2000), remoteschach.de, 2007.

5.d4 e4 6.c4 =.

5.d4 Qf6 6.de5 Qg6 (better is 6...de5!? 7.Nc3 Be6=) 7.ed6 Bd6 8.Nf3 Nf6 9.Bd3 Bf5?? (9...Qh6 10.Nbd2+/–) 10.Bf5 (better is 10.Nh4 Qg5 11.Nf5 (11.Bf5?! Qh4 12.Qf3 Rb8+/–) 11...Qg2 12.Ke2+–) 10...Qf5+= 11.0–0 0–0 12.Nd4 Nd4 13.Bd4 Ne4 14.f3 Qh5 15.g4?? (better is 15.fe4 Qh2 16.Kf2 Qg3 17.Ke2+/–) 15…Qh2 0–1. mihai740609 – niuniek89, kurnik, 2011.

5.Nf3 b5 6.c4 Bb7 (better is 6...bc4!? 7.Bc4 Nf6+=) 7.cb5+/– ab5 8.Bb5 Nf6 (better is 8...Qd7+–) 9.Qc2 Qd7 10.0–0 Be7? (10...Ke7 11.Qc4 d5+–) 11.Rc1 0–0 (11...Kd8 12.Bc6 Bc6 13.Qc6 Qc6 14.Rc6+–) 12.Bc6 Bc6 13.Qc6 Qd8 (13...Qc6 14.Rc6 Rfc8 15.d3+–) 14.Qc7 Rc8 (14...Qe8 15.d3+–) 15.Qc8 Qc8 16.Rc8 Rc8 17.Nc3 Nd7 (17...e4 18.Nd4+–) 18.Rc1 (18.a4 f5+–) 18...Bf6 (18...g5 19.g4+–) 19.Nb5 (better is 19.e4 g5+–) 19...Rb8 20.Nd6 e4 21.Bf6 ef3 22.Bd4 fg2 23.Rc8 Rc8 24.Nc8 1–0. Fournier,Frederic (1830) – RUBENORTEGA23 (1715), Active (5/0), 2004.

5.Nf3 Be7 6.Be2 f5 7.d3 Nf6 8.Nbd2 0–0 9.c4 e4 10.de4 fe4 11.Nd4 Nd4 12.Bd4 c6 13.Qc2 d5 14.cd5 cd5 15.0–0 Ng4 16.h3 Nh6 17.Qc3 Bf6 18.Qc5 Nf5 19.Bf6 Rf6 20.Bg4 Ne7 21.Bc8 Rc8 22.Qd4 Nf5 23.Qb2 Rg6 24.Qa2 Nh4 25.g3 Nf3 26.Kg2 Nh4 27.Kh2 Nf3 28.Kg2 Qd7 29.Ne4 Kh8 30.Nc5 Qf7 31.Kh1 Rh6 32.h4 Nh4 33.Qe2 Nf3 34.Kg2 Rh2 0–1. eliton – ncvd60, kurnik, 2012.

5.Nf3 Nf6 6.d4 e4 7.d5 =.

4.e3 Nf6

5.b5 ab5 6.Bb5 d6 7.Nf3 Bd7 8.0–0 Ra5 9.a4 Na7 10.Bd7 Qd7 11.Nc3 d5 (11...e4 12.Nd4=) 12.d3 (12.Ne5 Qd8+/–) 12...e4 (better is 12...Nc6!?=) 13.de4+/– de4 14.Qd7 Nd7 15.Nd4 (15.Ne4 Nc6+/–) 15...Nc5 (15...Nf6 16.Ncb5 Kd7 17.f3 ef3 18.Nb3=) 16.Ncb5 (16.Ba3 Nc8+/–) 16...Nb5 17.Nb5 (17.ab5!? Ra4 18.Nb3 Ra1 19.Ra1+/– (19.Na1?! h5=; 19.Ba1?! Nb3 20.cb3 Rg8=)) 17...c6= 18.Nc3 g6?? (better is 18...Bd6=) 19.Ne4!+– Rg8?? (19...Ne4 20.Bh8 Discovered attack) 20.Nf6 Ke7 21.Ng8 Ke6 22.Bc3 Ra4 23.Nf6 Bg7 24.Ne4! Ne4 25.Bg7 Rc4 26.Rfc1 f6 27.Bf8 c5 28.Ra7 Kf7 29.Bh6 g5 30.Rb7 Kg6 31.Bf8 h5 32.Rc7 Kf5 33.f3 Nc3 34.Kf2 Na2 35.Re1 Rc2 36.Re2 Nb4 37.Rc2 Nc2 38.Rc5 (38.Rc5 Ke6 39.Rc2+–) 1–0. Fournier,Frederic (1620) – Chessfil_48 (1640), ChessOK.com, 2012.

5.b5 ab5 6.Bb5 d6 7.Nf3 Be7 8.0–0 0–0+= 9.Be2 e4 10.Nd4 Nd4 11.Bd4 d5 12.f4 b6 13.c4 c5 14.Bb2 (14.Be5 dc4 15.Bc4 Ba6 16.Ba6 Ra6+=) 14...d4 15.ed4 cd4 16.Qc1 (16.d3 Bc5–/+) 16...Bc5 17.Kh1 Re8 18.a4 (18.d3 Bf5–/+) 18...Qd6 (18...Bd7 19.Bd1–+) 19.Na3–/+ Bg4 (19...Bf5 20.Nb5 Qd7 21.Re1–/+) 20.Nb5 Qd7 21.Qd1 d3 22.Bg4 Ng4 23.Qe1 e3–+ 24.h3 ed2?? 25.Qd2?? Re2–+ 26.Qc3 f6 27.Rfd1 Nf2 28.Kh2 Nd1 29.Rd1 d2 30.Nd4 Bd4 31.Qd4 Qd4 32.Bd4 Rd8 33.Bb6 Rd7 34.Ba5 Ra7 35.Bd2? Rd7–+ 36.c5 Red2 37.Rc1 Rc7 38.c6 Rd6 39.a5 Rdc6 40.Rb1 Ra7 41.Rb8 Kf7 42.Rb5 Rca6 43.Rb2 Ra5 44.Kg3 Ra2 45.Rb5 Rd7 46.Rb3 Rdd2 47.Rb7 Kg6 0–1. Fournier,Frederic (1980) – Marcosferreira (1745), Active, 2011.

5.b5 ab5 6.Bb5 d6 7.Nf3 Be7 8.h3 0–0 9.d3 Nb8 10.0–0 c6 11.Bc4 Qc7 12.Nbd2 Bf5 13.e4 Bc8 14.Nh2 b5 15.Ba2 Nbd7 16.f4 Nb6 17.f5 Na4 18.Bc1 d5 19.Ng4 Nc3 20.Qf3? (20.Nf6 Bf6 21.Qf3 Be7–/+) 20...Na2?? (better is 20...Ng4 21.Qg4 Ba3–+ (21...Na2?! 22.Ra2 Ra4 23.Qg3–/+)) 21.Ra2 de4 22.Nf6 Bf6 23.Ne4 Bd8 24.f6 g6 25.Qg3 h5 (25...Qa7 26.Kh1 h6 27.Qh4+– (27.Qe5?! Bc7 28.Qc3 Be6+/–)) 26.Qg5 (26.Qg5 Qd6 27.Nd6+–) 1–0. galadriela – mila77 (1755), kurnik, 2011.

5.c4 b5 6.cb5 ab5 7.Bb5 Ba6 8.Ba6 Ra6 9.b5 Rb6 10.bc6 Rb2 11.cd7 Nd7 12.Nc3 Bd6 13.Nf3 0–0 14.0–0 Nc5 15.a4 e4 16.Nd4 Re8 17.a5 Qh4 18.g3 Qh3 19.a6 Ra8 20.a7 Rb7 21.Ncb5 Be5 22.Qc2 Bd4 23.Nd4 Nd3 24.Qc6 Qc8 25.Nf5 Kf8 26.Qe4 1–0. rom49szachy – alfil77, kurnik, 2012.

5.Nf3 d6 6.Be2 Bg4 7.0–0 Bf3 8.Bf3 Be7 9.d3 h6 10.e4 (10.Bc6 bc6 11.Nd2 0–0+=) 10...0–0 11.c3 b5 12.Nd2 Nh7 13.d4 ed4 14.cd4 Bg5 15.e5 Bd2? (better is 15...d5+/–) 16.Bc6+– (16.Qd2?! d5+/–) 16...Rb8? (16...Bg5+–) 17.Qd2 de5 18.d5 Qd6 19.Rfe1 f6 20.Rac1 Ng5 21.Rc3 Nf7 22.Rg3 Kh8 23.Qd3 Nd8 24.Qg6 Qe7 25.Rc1 Nc6 26.Rc6 Rb6 27.Rgc3 Rc6 28.Rc6 Rd8 29.Rc5 Rd6 30.h3 Kg8 31.g4 Qf7 32.Qf5 g6? 33.Qc8 Kg7 34.Qc7 Qc7 35.Rc7 Kf8 36.Rc5 Ke7 37.Kf1 g5 38.Ke2 Kd7 39.Ke3 Rb6 40.f3 Kd6 41.Ke4 Rb8 42.Rc6 Kd7 43.Ra6 Rc8 44.Rf6 Rc4 45.Ke5 Rc2 46.Bd4 Ra2 47.Rh6 Ra3 48.Bc5 1–0. riditko – sebator, kurnik, 2012.

5.Nf3 Bd6 6.c4 b6 7.d4 ed4 8.ed4 Qe7 9.Be2 Bb7 10.0–0 0–0 11.Re1 Rfe8 12.Bd3 Qf8 13.Re8 Re8 14.Nc3 Bf4 15.g3 Bh6 16.Qc2 g6 17.d5 Ne5 18.Ne5 Re5 19.Ne2 Re2 20.Qe2 Bg7 21.Re1 Nh5 22.Bg7 Kg7 23.Qe5 Kg8 24.Qc7 Bc8 25.Qb6 Nf6 26.Qf6 Bb7 27.d6 Bc6 28.c5 Qa8 29.Bc4 Bd5 30.Bd5 Qd5 31.Re8 1–0. varin123 – blegul73, kurnik, 2012.

5.Nf3 h6 6.Ne5 Ne5 7.Be5 Bd6 8.Bd6 cd6 9.d4 d5 10.Be2 a5 11.c3 ab4 12.cb4 d6 13.0–0 Bf5 14.Bb5 Bd7 15.Qe2 Bc6 16.Nc3 0–0 17.Bd3 Re8 18.b5 Bd7 19.a4 Bg4 20.f3 Bh5 21.g4 Bg6 22.Bg6 fg6 23.Rfe1 g5 24.Kf2 b6 25.Qd3 Ra7 26.Qf5 Rae7 27.Nd5 Nd5 28.Qd5 Kh8 29.e4 Rf8 30.e5 Ref7 31.Re3 de5 32.Qd8 Rd8 33.de5 Re7 34.Rc1 Rde8 35.Rc6 Re5 36.Re5 Re5 37.Rb6 Rc5 38.a5 Rc2 39.Kg3 Ra2 40.a6 Kh7 41.Rb7 h5 42.gh5 Kh6 43.a7 Ra3 44.h3 Kh5 45.Rg7 Kh6 46.Rc7 Kh5 47.b6 g4 48.hg4 1–0. mihai740609 – cosdlaciebie1, kurnik, 2012.

4.e4 Nf6

5.Nc3 d5 6.ed5 Nd5 7.Bc4 Nc3 8.Bc3 Bd6 9.Ne2 0–0=+ 10.0–0 Bf5 11.Ng3= Bg6 12.Bb3 Ne7 13.d3 Nf5 14.Nf5+/– Bf5 15.Qf3 Qd7 16.Qb7 Bh3?? 17.Qf3 Qg4?? 18.Qh3 Qh3 19.gh3 Rab8 20.Rfd1 Rfe8 1–0. Parra,Alex – Abarca Grau,Pedro, Puente Alto IRT op, 2004.

5.Nc3 d5 6.ed5 Nd5 7.Bc4 Nf4 8.g3 Be6 9.Ba6 Ra6 10.gf4 ef4 11.Nf3 =+.

5.Nc3 d5 6.ed5 Nd5 7.Nd5 Qd5 8.Ne2 Be6 =+.

5.Nc3 d5 6.ed5 Nd5 7.Nf3 Nc3 8.Bc3 Bg4 9.d3 Bf3 10.Qf3= f6 11.Be2 Bd6 12.0–0+= 0–0 13.Qd5 Rf7 14.Bh5 g6+= 15.Bf3 Rb8 16.Qb3 f5 17.Bd5+– Qe7 18.Bf7 Qf7 19.Qf7 Kf7+/– 20.Bd2 Nd4 21.c4 Ne2 22.Kh1 Nd4 23.c5 Be7 24.Bc3 b6 25.Bd4 ed4 26.cb6 cb6 27.Rac1 Rb7 28.Rc4 Rd7 29.Rc6 Rd6 30.Rd6 Bd6 31.Rc1 Ke6 32.Rc6 b5 33.Ra6 Kd5 34.Rb6 (34...Bf4 35.Rb5 Kc6 36.Rc5 Kd6 37.a4+–) 1–0. Wall,Bill – "Orr Bobby", Internet, 2003.

5.Nc3 d6 =.

5.Nc3 Be7 6.Nf3 0–0 7.Ne2 (7.Bc4 d6=) 7...d6 8.d3 Bg4 9.Ng3 h6 10.Be2 Qd7 11.h3 Be6 12.0–0 Nh7 13.d4 Bh3? (better is 13...ed4 14.Nd4 Bf6=) 14.gh3+– Qh3 15.d5 Na7 16.Nf5 Qg4 (16...Bf6 17.Nh2 g6 18.Bg4 Qf1 19.Kf1+–) 17.Kh1 Bg5 18.Ng5 Qg5 19.Rg1 Qh4 (19...Qf6 20.Rg7 Kh8+–) 20.Nh4 Nb5 21.f4 ef4 22.Rg7 Kh8 23.Rf7 Kg8 (23...Nd4 24.Qd4 Nf6 25.Qf6 Kg8 26.Rg1) 24.Rg7 Kh8 25.Ng6 1–0. AsceticKingK9 – stefanW, ChessWorld.net, 2011.

5.d3 d5 6.ed5 Nd5 7.Nf3 f6 8.g3 Be6 9.Bg2 Qd7 10.h4 (10.0–0 0–0–0+=) 10...Be7 11.Nbd2 Nb6 12.Rc1 (12.Ne4 0–0–0+=) 12...0–0 13.0–0 Rfd8 14.Qe2 Bg4 (14...a5 15.ba5 Na4 16.Rb1 Na5 17.Ba1 Ba3 18.d4 ed4 19.Nd4–/+) 15.Rfe1 Bf8 16.Qf1 a5 17.b5 Ne7 (17...Na7 18.Nh2 Be6 19.Bb7 Rab8–/+ (19...Nb5?! 20.Ba8 Ra8 21.Ra1=)) 18.d4= ed4 19.Nd4 Nf5 20.N2f3 Nd4 21.Nd4 Ba3 22.Ba3 Qd4 23.Bb7 Rab8 24.Bc6 Qa4 25.Be7 Rd2 26.c4 Qb3 27.Bc5 Rbd8 28.Bb6 cb6 29.Bd5 Kh8 30.Re3 Qb2 31.Qe1 Re2 32.Re2 Be2 33.Qc3 Qc3 34.Rc3 Bg4 35.Re3 h6 36.Re7 Bd7 37.Bf7 (37.Bc6 Bc6 38.bc6 Rc8+=) 37...g5 (37...a4 38.Bd5=) 38.hg5 hg5 39.Be6 Re8 40.Re8 Be8 41.c5 bc5 42.b6 Bc6 43.Bc8 c4 44.Kf1 a4 45.b7?? (better is 45.Be6 c3 46.Ke2+=) 45...Bb7!–+ 46.Bb7 a3 0–1. Ewin,Hans Peter (1950) – Hankel,Dennis (2135), Rhein Main op, 2007.

5.d3 Be7 6.Nd2 d6 7.Be2 0–0 8.Ngf3 h6 9.0–0 Bd7 10.c4 b5 11.Re1 Qc8 (11...bc4 12.dc4 Be6 13.Qc2+=) 12.Qc2 Na7 13.d4 ed4 14.Nd4 c5 15.N4f3 Qb7 16.e5 de5 17.Ne5 (17.Be5?! cb4 18.cb5 Bb5 19.Bb5 Nb5 20.ab4 Nd5=+ (< 20...Bb4 21.Bf6 gf6 22.Qc4=)) 17...Rfd8? (17...Rae8 18.cb5 Bb5 19.bc5 Be2 20.Re2 Nc6+–) 18.Bf3+– Bc6 19.Nc6 Nc6 20.Nb3 cb4 21.Na5!! b3 22.Qe2 Nd4 23.Bd4 Qc7 24.Qe7 Qa5 25.Bf6 gf6 26.Ba8 Ra8 27.Rad1 bc4 28.Re3 c3 29.Rg3 Kh8 30.Qf6 Kh7 31.Qg7# 1–0. Maec,Michael – Guggenberger,Simon, remoteschach.de, 2003.

5.d3 g6 6.Nf3 d6 7.Be2 Bg7 8.0–0 0–0 9.c4 Qe7 10.Nc3 Be6 11.Nd5 Bd5 12.cd5 Na7 13.Qb3 c6 14.dc6 Nc6 15.Rac1 Rad8 16.Nd2 d5 17.f3 Rfe8 18.Rfd1 Bh6 19.Rc2 Be3 20.Kh1 Bd4 21.Nf1 Nh5 (21...Bb2 22.Qb2 Nd4 23.Rc3+=) 22.g3 (22.ed5 Nb8=) 22...de4 23.de4 Bb2 24.Rb2 Nd4 25.Qa2 (25.Qe3 Rd7+=) 25...Qd7 (better is 25...Ne2!? 26.Rd8 Neg3 (26...Rd8?! 27.Re2 Rd3 28.Re3=) 27.Ng3 Rd8 28.Nh5 Rd1 29.Kg2 gh5–/+) 26.Kg2 Qe7 27.Bc4 Qf6 28.Rf2 Rf8 29.Ne3 Qg5 30.Ng4 Ng7?? (better is 30...Kg7+=) 31.h4+– Qe7 32.Nh6 Kh8 33.Nf7 Rf7 34.Bf7 Rf8 35.Bd5 b5 36.Rc1 Qf6 37.f4 Rd8 38.fe5 Qe5 39.Rcf1 Nh5 40.Rf8 Rf8 41.Rf8 Kg7 42.Rg8 Kf6 43.Qf2 Ke7 44.Qf7 Kd6 45.Rd8 1–0. Jagura,Norbert – Baran,Mateusz, Ogolnopolska Olimpiada Mlodziezy C–12 Poland, 2014.

5.Nf3 d6 6.Bc4 Bg4 7.Qe2 Be7 8.0–0 0–0 9.Nc3 b5 10.Bb3 Nd4 11.Qe3 Bf3 12.gf3 Nh5 13.Nd5 Bg5 14.Qe2?? (better is 14.Qd3 c6 15.Bd4 cd5 16.Be3–+) 14...Ne2 15.Kg2 Bd2 16.Rad1 Bf4 (better is 16...Qh4 17.Be5 Bf4 18.Rh1 Be5 19.Kf1–+) 17.h3 c6 18.Nc3 Nc3 19.Bc3–+ Qg5 20.Kh1 Ng3! 21.Kg2 Nf1 22.Kf1–+ Kh8 23.Ke2 Qg2 24.Rd6 Qh3 25.Rc6 f5 26.ef5 Bh2 27.Bb2 Rf5 28.c3 Qf3 29.Kd2 Qf2 30.Kc1–+ Bf4 31.Kb1 Qf1 32.Ka2 Bc1 33.Bc1 Qc1 34.Re6 Rf2 35.Bc2 Qc2 36.Ka1 Qb2# (36...Qd1#) 0–1. pieeater – Shikaulu, ChessWorld.net, 2012.

5.Nf3 Ne4 6.d3 Ng5 7.Ne5 Ne5 8.Be5 a5 9.ba5 Qe7 10.Qe2 =.

5.Nf3 Ne4 6.Qe2 d5 7.Ne5 Qf6 =.

4.Nf3 d6

5.c4 Bg4 6.e3 e4 7.h3 Bh5+= (worse is 7...ef3 8.hg4 fg2 9.Bg2 +/–.

5.c4 Bg4 6.e3 Bf3 7.Qf3+= Nf6 8.Be2 b5?? (better is 8...d5+=) 9.cb5 (better is 9.Qc6 Nd7 10.cb5 ab5 11.Nc3+–) 9...e4 (9...Na7 10.ba6 Rb8 11.0–0+–) 10.Qf4 ab5?? (10...Ne5+–) 11.Bb5 Qd7 12.Bf6 gf6 13.Qe4 Kd8 14.Bc6 Qe6 15.Qe6 fe6 16.Ba8 Kd7 17.b5 d5 18.Bc6 Kd6 19.0–0 Bg7 20.g3 f5 21.Ra2 Kc5 22.Nc3 Kb6 23.a4 Ka5 24.d4 Bf6 25.Ne2 Rg8 26.Nf4 1–0. Fournier,Frederic (2015) – cesteba (2015), Active (3/0), 2004.

5.c4 Bg4 6.e3 Nf6 7.Be2 g6 8.h3 Be6 9.d3 (9.d4 ed4 10.Nd4 Nd4 11.Bd4 Bg7+=) 9...Bg7= 10.Nbd2 0–0 11.0–0 d5 (11...Re8 12.Ng5=) 12.cd5 (better is 12.Ne5!? Ne5 13.Be5+/–) 12...Nd5 13.d4 (better is 13.Ne4!?=) 13...ed4+= 14.Nd4 Nd4 15.ed4 Qd7 (15...Nf4 16.Bf3 c6 17.Qc2–/+) 16.Nf3 Nf4 17.Ne5 Be5 (17...Ne2 18.Qe2 Qd6 19.Nc4+=) 18.de5= Qd1 19.Bd1 Nd3 20.Bc3 Rad8 21.Bc2 Nf4 22.Rad1?? (better is 22.Rfe1=) 22...Ne2–+ 23.Kh2 Nc3 24.Rd8 Rd8 25.f4 (25.Rc1–+) 25...Rd2 26.Bb1 Nb1 (better is 26...Bd5 27.Kg3 Rg2 28.Kh4–+) 27.Rb1 Ra2 0–1. Fournier,Frederic – PISCIS13, Active (8/0), 2004.

5.e3 Bd7 6.Be2 Be7 7.0–0 Nf6 8.c4 0–0 9.d3 h6 10.Nbd2 Nh7 11.e4 f5 12.Nb3 fe4 13.de4 Bg4 14.c5 Bf3 15.Bf3 Ng5 16.cd6 Qd6 17.Nc5 Nf3 18.gf3 b6 19.Qd6 Bd6 20.Nd3 Rf3 21.Rac1 Rd3 22.Rc6 a5 23.b5 Rb3 24.Rc7 Bc7 0–1. Darkseid – Mr.Oldenslo, ChessWorld.net, 2012.

5.e3 Nf6 6.c4 h6 7.Be2 Bf5 8.d3 b5 (better is 8...Be7!?=) 9.cb5+/– ab5 10.d4 ed4 (10...Rb8 11.de5 Ne5 12.Be5 de5 13.Qd8 Rd8 14.Bb5 Bd7 15.Bd7 Nd7+–) 11.Nd4 (better is 11.Bb5!? Bd7 12.ed4+/–) 11...Nd4= 12.Bd4 Bd7 13.Nc3 c6 14.0–0 Be7 15.Qc2 0–0 16.Ne4 (16.Rfd1 Be6+=) 16...Re8 17.Nf6 Bf6 18.Qc3 Bd4 19.Qd4 Be6 20.Bf3 d5 21.Rfc1 Rc8 (21...Qd6 22.Qc5 Qc5 23.Rc5= (worse is 23.bc5 Ra4–/+)) 22.Rc5 Qg5 23.Rac1 (23.Qc3 Bd7+=) 23...Bd7= 24.g3 Re6? (24...Ra8 25.Qc3=) 25.Qd1?? (better is 25.Bd5!? cd5 26.Rc8 Bc8 27.Rc8 Kh7 28.Qd3 Qg6 29.Qg6 Kg6 30.Rb8+–) 25...Ree8 (25...Qe7 26.Ra1=) 26.a4 (26.e4!?+/–) 26...ba4= 27.Qa4 Attacks the backward pawn on c6 27...Ra8 28.Qc2 Qf6 29.Bg2 Ra4?? (better is 29...Ra1=) 30.Qa4+– 1–0. Fournier,Frederic (1990) – ManuelCasado (1950), Echecs21 (5/5), 2003.

5.e3 Nf6 6.Be2 Be7 7.0–0 0–0 8.d4 e4 9.Nfd2 d5 10.c4 Be6 11.cd5 Bd5 12.Bc4 b5 13.Bd5 Qd5 14.Nc3 Qf5 15.f4 ef3 16.Rf3 Qg4 17.d5 Ne5 18.Rg3 Qd1 19.Nd1 Nd3 20.Bf6 Bf6 21.Rb1 Rfe8 22.e4 Bd4 23.Kf1 Ne5 24.Ne3 Nc4 25.Ndc4 bc4 26.Nf5 Bf6 27.Rc1 Re4 28.d6 cd6 29.Nd6 Rf4 30.Ke2 c3 31.Ke3 Rh4 32.h3 Be5 33.Nf5 Bg3 34.Ng3 Re8 35.Kf3 Rc4 36.Nf5 c2 37.Nd6 Rc3 38.Kf4 Rd8 39.Ne4 Rd1 40.Nc3 Rc1 41.Ne2 1–0. avinoam – sahhul, kurnik, 2012.

5.e3 Bg4 6.Be2 Nge7 7.c4 Ng6 8.0–0 Be7 9.h3 Bd7 10.d3 0–0 11.Nc3 f5 12.Rc1 f4 13.Nd5 Nh4 14.b5 ab5 15.cb5 Nf3 16.Bf3 Na7 17.Nc7 Rc8 18.Qb3 Kh8 19.Ne6 Be6 20.Qe6 Rc1 21.Rc1 Nb5 22.Bb7 Qb8 23.Rc8 Qb7 24.Rf8 Bf8 25.a4 Na7 26.Ba3 Qe7 27.Qc4 Qb7 28.ef4 ef4 29.Qf4 Qe7 30.a5 Nc6 31.a6 h6 32.d4 Qe1 33.Kh2 Qc3 34.Qf8 Kh7 35.Qd6 Nd4 36.a7 Qa5 37.Qd4 Qa3 38.Qb6 Qd6 39.Qd6 1–0. anonymouuus – blesk1, kurnik, 2012.

5.e4 Nf6 6.Nc3 Be7 7.Be2 Bg4 8.h3 Bf3 9.Bf3 a5 10.b5 =.

5.g3 g6 6.Bg2 Bg7 7.h4 Nf6 8.c3 Bg4 9.Qb3 Qe7 10.Ng5 h6 11.Nh3 Be6 12.Qc2 Nd5 13.e4 Nb6 14.f4 Nc4 15.0–0? (15.Bc1!?+=) 15...Nb2 16.Qb2 0–0–0 17.fe5 Be5 18.d4 Bg3 19.d5 Bh3 (better is 19...Bg4 20.dc6 Qh4+=) 20.Bh3+= Kb8 21.dc6 Qh4 22.Qg2 bc6 23.Nd2 Be5 24.Rac1 f5 25.ef5 gf5 26.Kh1?? (26.Nf3 Qc4 27.Qc2 Rhg8 28.Kh1 f4+=) 26...f4?? 27.Nf3+= Qf6 28.c4 Rhg8 29.Qe2 Rg3 30.Kh2 Rf3?? 31.Rf3+– Rg8 32.Rg1 Re8 33.c5 d5? 34.Qa6 Bd4 35.Rg4 Be3 (35...Be3 36.Rg2 Qf7+–). heniekmichal – rg23, kurnik, 2012. (=1.a3 e5 2.b4 Nc6 3.Bb2 a6)

4.Nf3 e4

5.Nd4 Nd4 6.Bd4 d5 7.Nc3 b6 8.e3 c5 9.bc5 bc5 10.Be5 Ne7 11.f3 Ng6 12.Bg3 f5 13.fe4 de4 14.Rb1 Bd6 15.Bd6 Qd6 16.Bc4 Be6 17.Be6 Qe6 18.0–0 0–0 19.Na4 Qc6 20.Nb6 Rad8 21.Qe2 Rf7 22.Rb3 f4 23.Rf2 f3–+ 24.gf3 ef3 25.Qf1 Ne5 26.h3 Qg6 27.Kh1 Qc2 28.Rc3 Qe4 29.Nc4 Nd3 (30.Rd3 Rd3–+ (30...Qd3?! 31.Qd3 Rd3 32.Ne5 Ra3 33.Nf7 Kf7 34.Rf3 Ke6 35.Rf8–+)) 0–1. Rosner,Dirk – Suchland, DESC, 2000.

5.Nd4 Nd4 6.Bd4 Ne7 =.

5.Nd4 Nd4 6.Bd4 Nf6 7.Bb2 (7.Nc3!?=) 7...d5–/+ 8.e3 Be7 (8...Bd6 9.Be2–/+) 9.g3 (9.Be2!?+=) 9...Bg4 10.Be2 Be2 (10...Bh3!?–/+) 11.Qe2+= 0–0 12.g4 (12.0–0 Qd7+=) 12...g6 (better is 12...a5–/+) 13.b5? (13.Nc3 c6+=) 13...a5 (better is 13...ab5 14.Nc3 c6–+) 14.Nc3+= Re8 (14...Qd7 15.g5 Ng4 16.Nd5 Bg5 17.c4+=) 15.0–0–0 a4 16.g5 Nh5 17.h4 b6 18.f3?? Ng3–/+ 19.Qf2 Nh1 20.Rh1 Bc5 21.fe4+= de4 22.Rf1+/– Qd7 23.h5 Qe6+= 24.hg6 fg6 25.Ne4 Be7 26.Qh4 Rf8= 27.Nf6 Attacks the backward pawn on h7 27...Bf6 28.Rf6 Qd7 29.Qc4+/– Rf7 30.Be5 Rd8 31.Rf7 Qf7= 32.Qc7 Qc7 33.Bc7 Rd5 34.c4+= Rg5 35.Bb6+/– h5?? 36.Kc2 h4?? 37.Bd8 h3?? 38.Bg5 h2–+ 39.b6 h1Q 40.Bf4 Qc6 41.Kc3 Qb6 42.Kd3 Qb3 43.Kd4 Qa3 44.Be5 Qc1 45.Kd5 Qd2 46.Ke4 a3 47.Bd4 Qb2! 0–1. ajeffries (2205) – iboyd (2185), net–chess.com, 2009.

5.Nd4 d5 6.Nc6 bc6 7.c4 d4 8.Qa4 Bb7 9.Qa5 Nf6 10.Qe5+= Be7 11.Bd4 0–0 12.Nc3 c5 13.Bc5+/– Re8 14.Qd4 Qc8 15.Be7 Re7 16.Qc5 Qd7 17.0–0–0 Re6 18.d3 e3 19.fe3+/– Rae8 20.e4 Rc6 21.Qa7 Bc8 22.Kb2 Rb6 23.h4 Ng4 24.Rd2 Nf2= 25.Rg1?? Qd4–+ 26.Qc7 Ne4 27.de4 Qd2 28.Kb3 Qe3 29.Qh2 a5 30.g4 ab4 31.ab4 Bd7 32.b5?? Ra8 33.Kc2 Ra1 34.Nb1 Qe4 35.Kc3–+ Rb1 36.Qf2 Qe5 37.Qd4 Rc1 38.Kd2 Qd4 (39.Kc1 Qc3 40.Kb1 Bb5 41.cb5 Rb5 42.Ka2 Qb2#) 0–1. marus1 – myar24, internet, 2001.

5.Ne5 d6 6.Nc6+= bc6 7.e3 d5 8.Be2 Qg5= 9.g3 Bh3 10.d4 Nf6 11.Nd2 Qh6 12.c4 Bg2–/+ 13.Rg1 Qh2 14.Rg2 Qg2 15.Bf1 Qg1 16.Qe2? Be7 17.0–0–0 Qh1 18.f4 Qh6 19.c5 0–0 20.g4 Qg6 21.g5 Nh5 22.Bh3 f5 23.Nb3 Qe8 24.Rg1 g6 25.Qc2 Ng7 26.Na5 Ra7 27.Qa4–/+ Ne6 28.Qc6= Kf7 29.Qe8 Re8 30.Nc6=+ Rb7 31.Ne5 Kg7=+ 32.Rg2 Rh8 33.Rh2 h6 34.gh6 Rh6–/+ 35.Rh1 Rb8 36.Bg2?? Rh1 37.Bh1 Rh8 (38.Be4 fe4–+ (38...de4?! 39.d5 Rh1 40.Kc2–+)) 0–1. tanto – llyon, net–chess.com, 2001.

5.Ne5 Nf6!? =+.

5.Ng1 d5 6.e3 Nf6 7.d3!? =+.

5.Ng1 d5 6.e3 Nf6 7.Bf6 Qf6 8.Nc3 Be6 9.b5 Ne5 10.ba6 –/+.

4.g3 d5

5.Nf3 Bd6 6.Bg2 h6 7.0–0 Be6 8.Nc3 Qd7 9.Nh4 Nf6 10.f3?? (better is 10.e4 de4 11.Ne4=) 10...g5–+ 11.b5 ab5 (11...gh4?! 12.bc6 Qc6 13.e3 hg3 14.hg3–+) 12.Nb5 gh4 13.Nd6 Qd6 14.f4 hg3 15.hg3 0–0–0 16.fe5 Ne5 17.Rf6 Ng4?? 18.Rf4= h5 19.Bh8+/– Rh8 20.c3 h4 21.Qe1 hg3 22.Qg3 f5 23.e3 Qb6 24.Raf1 Qb2 25.Rf5 Bf5 26.Rf5 Qc1?? 27.Rf1+– Qd2 28.Rf2 Nf2 29.Qf2 Qc3 30.Qf5 Kb8 31.Kf2 Ka7 32.Qd5 Rf8 33.Bf3 Qc2 34.Kg3 Qg6 35.Kf2 Qc2?? 36.Kg3= Qg6 37.Bg4?? Qd6 38.Qd6 cd6 39.e4 Kb6 40.Bf5 Ka5 41.Kf4 Ka4 42.Ke3 Ka3 43.Kd4 b5 44.Be6 b4 45.Kd5 Rf6 46.Kd6 Re6! 47.Ke6 b3 48.e5 b2 49.Kf7 b1Q 50.e6 Qf5 51.Ke7 Kb4 52.Kd7 Kc5 53.Kd8 Qe6 (53...Qe6 54.Kc7 Qe7 55.Kc8 Kc6 56.Kb8 Qb7#; 53...Kd6 54.Kc8 Qc2 55.Kb7 Qb3 56.Ka6 Kc6 57.e7 Qb6#) 0–1. wk1234 – miszka777, kurnik, 2011.

5.Bg2 d4 6.Nf3 Bd6 7.0–0 Bd7 8.d3 h6 9.c3 dc3 10.Nc3 Nf6 11.b5 ab5 12.Nb5 Na5 13.Nd6 cd6 14.Nh4 0–0 15.Rb1 Bc6 16.Bc3 Qd7 17.Bb4 Nd5 18.Bd5 Bd5 19.e4 Be6 20.Nf5 Bf5 21.ef5 Nc6 22.Qf3 Nb4 23.ab4 Qc6 24.Qg4 Qd7 25.Qe4 Qc6 26.Qg4 f6 27.b5 Qc2 28.Qe4 Rfb8 29.Rfc1 Qa2 30.h4 d5 31.Qe3 d4 32.Qe4 Qf7 33.b6 Rc8 34.Kg2 Rc1 35.Rc1 Qb3 36.Rc7 Qb6 37.Rb7 Qa6 38.Qd5 Kh8 39.Qf7 Rg8 40.h5 Qd3 41.g4 Qe4 42.f3 Qe2 43.Kg3 Qe1 44.Kg2 d3 45.Qd5 d2 46.Rd7 Qe2 47.Kg3 Qe3 48.Qd2 Qd2 49.Rd2 Re8 50.Re2 Kg8 51.f4 Kf7 52.fe5 fe5 53.Re4 Kf6 54.Kf3 Kg5 55.Kg3 Rb8 56.Re5 Rb3 57.Kf2 Kg4 58.Re6 Kf5 59.Rg6 Rb7 60.Kg3 Rc7 61.Kf3 Rc3 62.Ke2 Rh3 63.Rg7 Rh5 64.Kf3 Rg5 65.Rf7 Kg6 66.Rd7 h5 67.Rd1 Rg4 68.Rh1 Kg5 69.Ke3 h4 70.Kf3 Ra4 71.Rg1 Kf5 72.Kg2 Ra3 73.Kh2 Kf4 74.Rf1 Kg4 75.Rg1 Rg3 76.Rf1 h3 77.Rf8 Rg2 78.Kh1 Ra2 79.Rg8 Kh4 80.Rh8 Kg3 81.Rg8 Kf2 82.Kh2 Kf3 83.Kh3 1–0. rryy44 – cicirs, kurnik, 2012.

5.Bg2 e4 6.e3 Bd6 7.Ne2 Be5 8.Be5 Ne5 9.0–0 Qf6 10.f4 Bg4 11.Qe1 Nc4 12.Nbc3 b6 13.Nd4 c5 14.Nd5 Qd6 15.Be4 Be6 16.d3 cd4 17.dc4 Rc8 18.ed4 Rc4 19.c3 Nh6 20.Ne3 0–0 21.Nc4 Bc4 22.Rf3 Re8 23.Re3 Ng4 24.Bh7 Kh8 25.Re8 Kh7 26.Qe4 g6 27.Qa8 Kg7 28.Rae1 Bd5 29.Rg8 Kf6 30.Qd8 Qd8 31.Rd8 Bc4 32.Rd6 Kg7 33.Rb6 Kh6 34.Re8 f5 35.Rh8 Kg7 36.Rh4 Black resigned 1–0. Salvatore – 488, ChessWorld.net, 2012.

5.Bg2 Be6 6.Nf3 Bd6 7.0–0 Nf6 8.d3 0–0 9.Nbd2 h6 10.c4 d4 11.c5 Be7 12.Nc4 Bc4 13.dc4 Rb8 14.Qb3 e4 15.Nh4 Nh7 16.Nf5 Bf6 17.Be4 Qd7 18.Rad1 Rbd8 19.Bc6 bc6 20.e4 Ng5 21.Qd3 Qe6 22.f3 Kh8 23.Kg2 g6 24.Nh6 Qh3 25.Kg1 Qh6 26.h4 Ne6 27.Kg2 Bh4 28.gh4 Nf4 29.Kg3 Nd3 30.Rd3 Kg8 31.f4 Qg7 32.Rg1 Rfe8 33.Kf3 f5 34.e5 Qh6 35.Rg5 Re6 36.Rd2 Qh4 37.Rdg2 Kf7 38.R5g3 d3 39.Rd2 Qh1 40.Rgg2 Qf1 41.Rgf2 Qh3 0–1. rryy44 – robep, kurnik, 2012.

5.Bg2 Be6 6.Nf3 Bd6 7.0–0 Nf6 8.e3 0–0 9.d3 h6 10.Nbd2 Rc8 11.c4 dc4 12.dc4 Qe7 13.c5 Bc5 14.bc5 Qc5 15.a4 Qb6 16.Ba3 Rfd8 17.Qe2 e4 18.Ne1 Bf5 19.Nc4 Qb3 20.Qc2 Qc2 21.Nc2 b5 22.ab5 ab5 23.Nb2 Rd2 24.Rac1 b4 25.Nc4 Rdd8 26.Nb4 Nb4 27.Bb4 Nd5 28.Ba5 Re8 29.Nd2 c5 30.Rc4 Nf6 31.Bb6 Nd7 32.Ba5 Ne5 33.Rc3 c4 34.Ne4 Be4 35.Be4 Re7 36.Bb6 Re6 37.Bd4 g6 38.Bg2 Nd3 39.Bd5 Rd6 40.Bc4 Nb4 41.Bf7 1–0. rryy44 – tokarz52, kurnik, 2012.

5.Bg2 Be7 6.Nf3 d4 7.0–0 Bf5 8.d3 Qd7 9.c3 Bh3 10.cd4 Bg2 11.Kg2 ed4 12.Nbd2 Rd8 13.Ne4 Nf6 14.Nf6 Bf6 15.Qb3 0–0 16.Rae1 Qd5 17.Qc2 h5 18.e4 Qe6 19.e5 Ne5 20.Bd4 Rd4 21.Nd4 Qd5 22.Re4 Ng4 23.Nf3 Ne5 24.Ne5 Be5 25.Qc4 Qd6 26.Qc5 Qc5 27.bc5 Bb2 28.a4 Bc3 29.Rb1 Rb8 30.d4 f5 31.Re5 g6 32.Rd5 Kf8 33.c6 b6 34.Rd7 Rc8 35.d5 g5 36.Rb3 Be5 37.Re3 Bd6 38.Re6 f4 39.gf4 Bf4 40.f3 h4 41.h3 a5 42.Rh6 Kg8 43.Rhh7 Be5 44.Rh6 b5 45.ab5 a4 46.Rg6 Kh8 47.Rg5 Bf6 48.Rg4 Rg8 49.Rc7 a3 50.Rg8 Kg8 51.Ra7 Bb2 52.c7 Kf7 53.c8Q Kf6 1–0. rryy44 – heisann, kurnik, 2012.

3.a3 e6

4.e3 b5 5.c4 bc4 6.Bc4 Bb7 7.Nf3 h6 8.0–0 d5 9.Be2 Nf6 10.d4 g5 11.Nbd2 Bg7 12.Qc2 Rg8 13.Rac1 g4 14.Ne5 Ne5 15.de5 Nd7 16.Qc7 Qc7 17.Rc7 Rb8 18.Rfc1 (worse is 18.Bg4 Be5 19.Be5 Ne5+/–) 18...Ke7 19.g3 (better is 19.Bg4 Rgc8 20.f4+–) 19...Rgc8+/– 20.Rc8 Bc8 21.Nb3 Be5 22.Be5 Ne5 23.Nd4 Bd7 (23...Bb7 24.Kg2=) 24.f4 (better is 24.Ba6!? Nc4 25.Bc4+/–) 24...Nc4= 25.Bc4 Rc8 26.Nc6?? (better is 26.e4 Rc4 27.Rc4 dc4 28.Kf2=) 26...Rc6–+ 27.Kf2 Rc4 28.Rc4 dc4 29.Ke2 Bb5 30.Kd2 Kd6 31.Kc3 Kd5 0–1. ourang – kano56, kurnik, 2012.

4.e3 b5 5.c4 bc4 6.Nf3 d5 =.

4.e3 b5 5.c4 Bd6?? 6.Bg7+– Nf6 (6...Be5 7.Bh8 Bh8+–) 7.Bh8 Be5 (7...bc4 8.Bc4 Ne5 9.Be2+–) 8.d4 Ke7 (8...Bd6 9.cb5 ab5 10.Nc3+–) 9.de5 Ne5 (9...Qh8 10.ef6 Qf6 11.Nd2+–) 10.Bf6 Kf6 11.Nf3 (better is 11.Qd4 Bb7 12.cb5 ab5 13.Qf4 Ke7 14.Qe5 Qh8 15.Qh8 Rh8+–) 11...Nf3 (11...Nc4 12.Bc4 bc4 13.Qd4 Ke7 14.Qc4 Qh8+–) 12.Qf3 Ke7 13.Qa8 1–0. ourang – nikomih, kurnik, 2012.

4.e3 b5 5.d4 d6 6.c4 Bb7 7.Nf3 Be7 8.d5 ed5 9.cd5 Nb8 10.Bg7 Bf6 11.Bf6 Qf6 12.Ra2 Ne7 13.e4 Nd7 14.Bd3 Ne5 15.Ne5 Qe5 16.0–0 Rg8 17.Nd2 Qg5 18.g3 c6 19.f4 Qg6 20.f5 Qg5 21.Nf3 Qg4 22.Bb1 cd5 23.ed5 Bd5 24.Re2 Bc4 25.Re7 Ke7 26.Re1 Kd7 27.Ne5 Kc7 28.Ng4 Rg4 29.Qg4 Rd8 30.f6 Be6 31.Re6 fe6 32.Qe6 Rd7 33.f7 Rf7 34.Qf7 1–0. varin123 – sebisam, kurnik, 2012.

4.e3 d5 5.Nf3 Nf6 6.c4 Be7 7.Qb3 Bd7 8.Nc3 dc4 9.Bc4 e5? (better is 9...b5 10.Be2 e5=) 10.Bf7 Kf8 11.Ng5 Ne8?? (better is 11...Nd5+–) 12.Bg6!! Nd6 (12...hg6 13.Qf7 Mate attack) 13.Nh7 Rh7 14.Bh7 Bf6 15.Nd5 Be6+– 16.Qd3 Bd5 17.Qd5 Ke7 18.0–0 Qh8 19.Bc2 Qg8 20.Qg8 Rg8 21.f4 ef4 22.Bf6 gf6 23.Rf4 Nd8 24.Raf1 Rf8 25.g4 Nb5 26.a4 Nd6 27.g5! Ne8 28.g6 Ne6 29.Re4 f5 30.Re5 N8g7 31.Bf5 Rf5 32.Rff5 Nf5 33.Rf5 Ng7 34.Rf7 Ke8 35.Rg7 (35.Rg7 Kf8 36.Rf7 Ke8 37.Rf4 c6 38.g7 Ke7 39.g8Q Kd7 40.Qh7 Ke6 41.Qf7 Kd6 42.Rf6 Ke5 43.Qe6) 1–0. cmulligan (2160) – islanderfan (2045), net–chess.com, 2011.

4.e3 Nf6 5.c4 d5 6.Nf3 Be7 7.Be2 0–0 8.0–0 b6 (8...dc4 9.Bc4 b5 10.Be2=) 9.d4+= dc4 10.Bc4 Bb7 11.Nbd2 Nd5 12.Qb3 b5 13.Be2 f5 14.Rac1 Rc8 15.Rfd1 g5 16.Ne5 Qe8 (16...Ne5 17.de5 c5 18.bc5 Rc5 19.Rc5 Bc5 20.a4+=) 17.Nc6+/– Bc6 18.Nf3 Bd6 Black plans f4 (18...Bb7 19.Ne5+/–) 19.Ne5 (19.Ng5!? Bb7 20.Bf3+/–) 19...Bb7+= 20.f3 (20.Qc2 Rd8+=) 20...Qh5 21.Qd3 (21.Rd3 Rcd8+=) 21...f4 (21...Rcd8 22.Ba1=) 22.e4+= Ne3 23.Rd2 Be5 24.de5 Nc4 25.Rdc2 (25.Rc4 bc4 26.Qd7 Qf7 27.Bc4 Qd7 28.Rd7 Rfe8+=) 25...Rfd8 (25...Nb2!? 26.Rb2 g4=) 26.Qb3+/– Nd2?? (26...Nb2 27.Rc7 Rc7 28.Rc7 Nc4 29.Rb7 Qh4–/+) 27.Qe6+– Kh8 28.Rc7 Nc4 29.Rc8 Bc8 30.Qf6 Kg8 31.Bc4 bc4 32.e6 (32.e6 c3 33.Bc3 Rd4 34.Qh8 Kh8 35.Bd4 Kg8 36.Rc8 Qe8 37.Re8#) 1–0. carocan (1815) – ojciecubu (1765), kurnik, 2011.

4.e3 Nf6 5.c4 g6 6.Nf3 Bg7 7.Be2 0–0 8.0–0 d6 9.b5 ab5 10.cb5 Ne7 11.Nc3 e5 12.d4 ed4 13.Nd4 Bd7 14.a4 c5 15.bc6 Nc6 16.Ndb5 Ne5 17.Nd6 Bg4 18.f4 Be2 19.Ne2 Neg4 20.Nc4 Qc7 21.Qb3 Rfe8 22.Ne5 Ne4? 23.Ng4+– Nd2 24.Qa3 Nf1 25.Bg7 Ne3 26.Be5 Nc2?? 27.Bc7 Na3+– 28.Nf6 Kg7 29.Ne8 Re8 30.Nd4 Nc4 31.Rc1 Nd2 32.Nb5 Nb3 33.Be5 Kh6?? 34.Rc7 Nd2 35.Rf7 1–0. ariank – michael9977, kurnik, 2012.

4.e3 g6?? 5.Bh8+– f6 6.Nc3 (6.d4 Nh6 7.Qf3 Kf7+–) 6...b5 (6...Ne5+–) 7.Nf3 d5 8.d3 Bd6 9.Bg7 e5 10.Be2 d4? 11.ed4 Nd4 12.Nd4 ed4 13.Ne4 Qe7 14.Nd6 cd6 15.Bh6! Nh6 16.0–0 Kf7 17.h3 Kg7 18.Bf3 Bb7 19.Bb7 Qb7 20.Qf3 Qf3+/– 21.gf3 Re8 22.Kh2 Nf5 23.Rg1 d5? 24.Rge1+/– Re1 25.Re1 h5? 26.c4?? dc4 27.dc4 bc4 28.Rc1 c3 29.Rc3?? dc3 (29...dc3 30.Kh1 c2 31.h4 c1Q 32.Kg2 Nh4 33.Kh3 Qh1 34.Kg3 Qf3 35.Kh4 g5) 0–1. Fournier,Frederic (1950) – cepangele (1710), Active, 2007.

4.e3 h6 5.b5 ab5 6.Bb5 Bd6 7.Bg7 Rh7 8.Bc3 Nf6 9.Bd3 Be5 10.Bh7 Bc3 11.Nc3 Qe7 12.Bd3 d5 13.Nf3 e5 14.0–0 e4 15.Nd4 ed3 16.Nc6 bc6 17.cd3 Ba6 18.e4 Bd3 19.ed5 Bf1 20.Qf1 cd5 21.Nd5 Qd6 22.Re1 Kf8 23.Nf6 Qf6 24.Qd3 Rd8 25.Qc2 Kg7 26.Qc7 Ra8 27.Qg3 Kh7 28.Re3 Qa1 29.Re1 Qe1# 0–1. riditko – zadori, kurnik, 2012.

4.e4 b5 5.d4 Bb7 6.Nd2 Nf6 7.e5 Nd5 8.Ngf3 d6 9.c4 bc4 10.Nc4 de5 11.de5 Be7 12.Qc2 Bg5 13.Rd1 Qe7 14.Bd3 Nf4 15.Be4 0–0 16.Ng5 Qg5 17.g3 (< 17.Bh7 Kh8 18.g3 Ng2 19.Kf1 g6+/–) 17...Ng6 18.Ne3 Nge7 19.Rd7 Rab8 20.Bh7 Kh8 21.Be4 Rfd8 22.Rc7 Rdc8 23.f4 Qh5 24.Rc8 Rc8 25.Qg2 Rd8 26.0–0 g6 (26...Rd7 27.g4 Qh4 28.f5 ef5 29.gf5+–) 27.Nc4 Kg7 28.Nd6 Ba8 29.Rc1 Rb8 30.Bf3 (30.Rc6?! Bc6 31.Bc6 Qd1 32.Qf1 Qf1 33.Kf1 Nc6+/–) 30...Qh6 31.h4 Qh8 32.Rc6 Bc6 33.Bc6 Qd8 34.Be4 Qd7 35.Qf2 Kf8 36.Qc5 Rd8 37.Bd4 Qa4 38.Qb6 Qd1 39.Kh2 Qe2 40.Bg2 Ra8 41.Qb7 Rd8 42.Bb6 Re8 (42...Rd6 43.ed6 Nf5+–) 43.Ne8 Ke8 44.Qb8 (44...Nc8 45.Qc8 Ke7 46.Bc5#) 1–0. Krasny,Henryk Jan – Ranby,Hans, corr 3GMM˝–07, 1999.

4.Nf3 h6 5.d3 (5.e4 Nf6 6.e5 Nh5+=) 5...d6 6.c4 e5 7.Nc3 Bg4 (7...Nf6 8.e3=) 8.e3 Nf6 9.Be2 Be7 10.Qb3 Be6 11.Nd5 0–0 12.Nd2 Rb8 (12...a5 13.0–0+=) 13.Bf3 (13.0–0 b5+=) 13...Na7 (13...Nh7 14.0–0+=) 14.Qc2 (14.0–0 Nc6+=) 14...c6 (14...Bd5!? 15.cd5 c6+=) 15.Ne7+/– Qe7 16.0–0 Rbd8 17.h3 Nh7 (17...Qc7 18.c5+/–) 18.d4 (18.Be2 f5+/–) 18...ed4 19.ed4 (19.Rfe1 Ng5+/–) 19...d5+= 20.Rfe1 Qd7 (20...dc4 21.a4+=) 21.Re3 (21.Qc3 Rfe8+/–) 21...Bf5 (21...Ng5 22.Bh5+=) 22.Qb3 Be6 (22...Ng5 23.Bh5+=) 23.cd5 (23.c5 Ng5+/–) 23...cd5 24.Rae1 Nb5 25.Be2 Nd6 26.Bd3 (26.Nf3 Nc4 27.Ne5 Ne5 28.Re5 Rc8+/–) 26...Nf6 (26...Ng5 27.h4 Nge4 28.Ne4 Ne4 29.b5+=) 27.Nf3+/– Nde4 28.Ne5 Qd6 29.Qd1 (29.b5 Qb6+/–) 29...Rc8+= 30.Bb1 (30.b5 ab5 31.f3 Ng3+=) 30...Rc7 31.f3 Ng3 32.Bc1 (32.Kf2!? Nf5 33.R3e2+=) 32...Qb6 33.Bb2 ˝–˝. Amor Alcaide,Manuel (1975) – Romero Funieles,Rafael (1765), 12th Torneig Internacional Sant Marti, 2010.

4.g3 b5 5.Bg2 Bb7 6.Nf3 d5 7.0–0 f6 8.d3 e5 9.c4 bc4 10.dc4 dc4 11.Qd8 (11.Qc2 Qe7+=) 11...Rd8= 12.Nc3 (12.Nfd2 Rb8=) 12...Nge7 (12...Nd4!? 13.Nd4 Bg2–/+) 13.Rfd1 Rd1 14.Rd1 Kf7 (14...Nc8=) 15.Nd5 (better is 15.Nd2+=) 15...Nd5–/+ 16.Rd5 Nd4?? (better is 16...Ke6!? 17.Rd1 Be7+=) 17.Rd7 (17.Nd4 ed4 18.Rd4 Bg2 19.Kg2 c5 20.Rc4 cb4 21.ab4 Bd6+/–) 17...Be7 18.Rc7 Nf3 19.Bf3+= Bf3 20.ef3 Ra8 21.Rc4 a5 22.Bc3 ab4 23.Bb4 Bb4 24.ab4 Rb8 25.Kf1 h6 26.Ke2 Ke6 27.Ke3 Kd5 28.Rc5 Kd6= 29.Rc4 Kd5 30.Kd3 Rb5 31.h3 f5 32.g4 f4 33.Rc5?? Rc5–/+ 34.bc5 Kc5?? 35.Ke4+/– Kd6? 36.Kf5+– Kd5 37.Kg6 e4+/– 38.Kf5?? e3–+ 39.fe3 fe3 40.Kg6 e2 41.Kg7 e1Q 42.Kh6 Qh4 43.Kg6 Ke5 44.Kg7 Qh3 45.Kg6 Qf3 46.Kh5 Kf4 47.Kh4 Qg4# 0–1. golfx – raulex, kurnik, 2012. (=1.a3 Nc6 2.b4 a6 3.Bb2 e6)

3.a3 Nf6

4.d3 d5 5.Nf3 =.

4.d3 g6 5.Nd2 Bg7 6.g3 0–0 7.Bg2 e6 8.Ngf3 d5 9.0–0 Qd6 10.c4 dc4 11.Nc4 Qe7 12.Rc1 b5? (12...Rd8 13.Nfe5 Ne5 14.Be5+/–) 13.Nce5 (13.Nfe5!? Ne5 14.Ba8 Nc4 15.dc4 e5+–) 13...Ne5+/– 14.Ne5 Nd5 15.Nc6 Qd6 16.Bg7 Kg7 17.Na5 Bd7 18.Rc5 c6 19.Qd2 Rac8 20.Rfc1 Nb6 21.Bc6 Na4 22.Bd7 Nc5?? (better is 22...Qd7 23.Rc6 Rc6 24.Rc6 Qd4+/–) 23.Bc8+– Rc8 24.bc5 Qd4 25.e3 Qa4 26.Qc3 f6 27.d4 h5 28.Qb4 Qb4 29.ab4 1–0. golfx – arcsinx, kurnik, 2011. (=1.a3 Nc6 2.b4 Nf6 3.Bb2 a6)

4.d3 h5 5.Nd2 g6 6.g3 Bg7 7.Bg2 Rg8 (7...h4 8.g4=) 8.Ngf3+= e5 (8...d6 9.0–0+=) 9.0–0 (9.Ne5!? Ne5 10.Be5+/–) 9...d6+= 10.Rc1 Bg4 11.Re1 Bf3 12.Nf3 Qd7 13.c4 0–0–0 (13...Qe6 14.d4 ed4 15.e3+/–) 14.e3 (14.b5 Nb8+/–) 14...Kb8 15.b5 ab5 16.cb5 Na7 17.a4 Nd5 18.d4 ed4 (18...e4 19.Ng5 f5 20.Qb3+–) 19.Nd4 Bd4 20.Bd4 Nb6 21.Bb6 cb6 22.Qd4 Rc8 23.Qb6 Rc1 24.Rc1 d5 25.Rd1 Qc7 26.Qc7 Kc7 27.Rd5 Kb6 28.Rd7 Rb8 29.Rf7 Ka5 30.Rb7 Rb7 31.Bb7 Ka4 32.Bc6 Nb5 33.Bb5 Kb5 34.e4 Kc5 35.e5 Kd5 36.f4 Ke6 37.Kf2 Kf5 38.Kf3 Ke6 39.Ke4 Ke7 40.Kd5 Kd7 41.e6 Ke7 42.Ke5 Ke8 43.Kf6 Kd8 44.Kg6 Ke7 45.Kf5 Ke8 46.Kf6 Kd8 47.f5 Ke8 If Black now would get Kg5 in, he might survive 48.Kg5 Ke7 49.Kh5 Kf6 50.g4 Ke7 51.Kg5 Ke8 52.h4 Ke7 53.h5 Ke8 54.h6 Kf8 55.Kf6 Ke8 56.g5 Kf8 57.g6 Kg8 58.Ke5 Kf8 59.f6 Kg8 60.e7 Kh8 1–0. golfx – grzezin09, kurnik, 2011. (=1.a3 a6 2.b4 Nf6 3.Bb2 Nc6)

4.e3 b5 5.Nf3 Bb7 6.Be2 e6 7.0–0 d6 8.d3 g6 9.Nbd2 Bg7 10.c4 Qe7 11.cb5 ab5 12.d4 Ba6 (12...Na7 13.a4+=) 13.Rc1 (better is 13.Qc2 Nb8 14.a4+/–) 13...Rb8?? (13...Nd8 14.a4+=) 14.Qc2 (better is 14.Rc6 Bb7 15.Rc2 0–0+–) 14...Qd7?? (14...Rb6!?+/–) 15.Nb3 0–0?? 16.Rfd1 d5?? 17.Nc5 Ne7 18.Nd7 Nd7 19.Qc7 Bc8 20.Ne5 Be5 21.de5 Rb7 22.Qc2 Rb6 23.f4 Nb8 24.Qb3 Bb7 25.Bf3 Rc8 26.Rc8 Bc8 27.Rc1 Bd7 28.Bd4 h5 29.Bb6 Bc6 30.Rc6! Nbc6 31.Bd4 Kh7 32.a4 Nd4 33.ed4 ba4 34.Qa4 Nc6 35.Qc6 (35.Qc6 Kg7 36.b5+–) 1–0. Fournier,Frederic (1990) – chek (1855), Active Blind, 2007.

4.e3 d5 5.Nf3 Bg4 6.Be2 Bf3 7.Bf3 e5 8.d4 e4 9.Be2 Bd6 10.c4 dc4 11.Bc4 0–0 12.Qc2 b5 13.Bb5 (13.Bb3 Qd7+=) 13...ab5 (better is 13...Nb4 14.ab4 ab5 15.Ra8 Bb4 16.Bc3 Bc3 17.Qc3 Qa8–/+) 14.Qc6+= Qe7 (better is 14...Rb8!?+=) 15.Qb5+– Rac8 16.0–0 c6 17.Qe2 Qe6 18.Nd2 Nd5 19.Qc4 Qh6 20.g3 Qg6 21.Qc2 Rfe8 22.Rac1 h5 23.Rce1 h4 24.f4 hg3 25.hg3?? (better is 25.h3+/–) 25...Qg3–+ 26.Kh1 Ne3 (26...Re6 27.Nf3 ef3 28.Qf2 Rh6 29.Qh2 Rh2) 27.Rg1 Qh3 (27...Qh4) 0–1. mihai740609 – ostryelk, kurnik, 2011.

4.e3 d6 5.c4 e5 6.b5 ab5 7.cb5 Ne7 8.Be2 Bd7 9.Nf3 g6 10.Bc4 Bg7 11.Ng5 0–0 12.Qf3 h6–+ 13.Ne4? Ne4 14.Qe4 Bf5?? 15.Qb7 d5–+ 16.Bb3? Rb8 17.Qa6 Bd3 18.Nc3 d4 19.ed4? ed4 20.Na4 Bb5 21.Qa5 Nc6 22.Qb5 Rb5 23.Bc4 Rb2! 24.Nb2 Re8 25.Kd1 Na5 26.Bb5 Re5 27.Ba4 Qe7 28.Nd3 Nc4 29.Re1 Re1 30.Ne1 Nb2 31.Kc2 Na4 32.Nd3 Qe4 33.Re1 Qg2 34.Re8 Kh7 35.Nf4 Qf2 36.Nd3 Qh2 37.Rh8 Bh8 38.Nf2 Qf2 (39.Kb3 Qd2 40.Ka4 c6 41.Kb3 Qc3 42.Ka4 Qc4 43.Ka5 Qb5#) 0–1. bambinik – paul1404, internet, 2001.

4.e3 e6 5.c4 Bb4?? (better is 5...Be7=) 6.ab4+– Nb4 7.Nf3 h6 (7...d6 8.Bc3 Nc6 9.d4+–) 8.Be2 0–0 9.0–0 d5 10.cd5 Nbd5 11.Nc3 Nc3 12.Bc3 Ne4 13.Bb2 Re8 14.d4 b5? (14...Bd7 15.Qc2 Nd6 16.Ne5+–) 15.Qc2 (15.Bb5 Bd7 16.Bd3 Nd6 17.Ra6 Ra6 18.Ba6 Bc6+–) 15...Ng5? (15...Bb7+–) 16.Ng5 Qg5 (16...hg5 17.Bb5! Bd7 18.Ba6 Ra6 19.Ra6+–) 17.Qc6 e5 (17...Bb7 18.Qb7 c5+–) 18.Qe8 Kh7 19.Bd3 Bf5 (19...f5 20.Qe5 c6 21.Qc7+–) 20.Bf5 Qf5 21.Qa8 ed4 22.Bd4 b4 1–0. Fournier,Frederic (2090) – NN, jeu.europe–echecs.com, 2013.

4.e3 e6 5.Nf3 Be7 6.d4 d5 7.Nbd2 0–0 8.c4 dc4 9.Bc4 Bd7 10.Be2 (10.0–0 Bd6+=) 10...b5 (10...a5 11.b5 Na7 12.a4=) 11.0–0 (11.Qc2 Nd5+=) 11...h6 (11...a5 12.ba5 Na5 13.Ne5=) 12.Rc1+= Be8 13.Nb3 Nd5 14.Nc5 (14.Re1 Nb6+/–) 14...Bc5 (14...a5 15.ba5 Na5 16.Qc2+=) 15.bc5 (15.Rc5 Nb6+/–) 15...Nce7 16.Bd3 c6 (16...b4 17.a4+=) 17.Qc2 a5 Black plans b4 18.h3 (18.Qd2 f5+/–) 18...b4 (18...f6 19.Bh7 Kh8 20.Be4+=) 19.ab4 (19.Qd2 ba3 20.Ba3 f6+=) 19...ab4 (19...Nb4!? 20.Qe2 Nd3 21.Qd3 f6+=) 20.Rb1 Bd7 21.Qb3 Qc7 22.Bc4 Ra7 23.Rfe1 Rfa8 24.e4+– Nf6 25.Bc1 Ng6 26.Bd2 e5?? 27.Bf7+– Kh7 28.Bg6 Kg6 29.d5 cd5+/– 30.ed5 Kh7? 31.Bb4 Kh8? 32.Qc3 Ra4? 33.d6 Qc6 34.Ba5 R8a5?? 35.Qa5?? Ra5–+ 36.Red1 Rc5 37.Ne5 Re5 38.Rbc1 Qa6 39.Rc7 Re6 40.Rdc1 Kh7 41.g3 Ne8 42.h4 Rd6 43.Kh2 Nc7 (43...Nc7 44.Kg1 Qa3 45.Rf1 Bh3 46.Rb1 Qf3 47.h5 Qg2) 0–1. Fournier,Frederic (1975) – chamu (1885), Active Blind, 2007.

4.e3 g6 5.d4 Bg7 6.Nd2 0–0 7.c4 Re8 8.f4 d6 9.Ngf3 e5 10.de5 (10.fe5 Ng4 11.b5 ab5 12.cb5 Ne3+=) 10...de5 11.Ne5 Ne5 12.Be5 Re5 (better is 12...Ng4 13.Nf3 A) 13...Be5?! A1) worse is 14.Ne5 Qd1 (14...Ne3?! 15.Qd8 Rd8 16.Kf2=) 15.Rd1 Ne3–/+ (15...Ne5?! 16.fe5 Re5 17.Rd8 Kg7 18.Kd2=); A2) 14.Qd8 Bc3 15.Qd2 Bd2 16.Kd2+=; B) 13...Qe7+=) 13.fe5+/– Ng4 14.Qb3 (better is 14.Nf3 Qe7 15.Ra2+/–) 14...Be5+= 15.Rd1? (better is 15.0–0–0 Nf2 16.Nf3 Nd1 17.Ne5–/+) 15...Qh4–+ 16.Ke2?? (16.g3 Qf6 17.Ne4–+) 16...Qf2 17.Kd3 Qe3 18.Kc2–+ Bf5 19.Kc1 Qb3 20.Nb3 Nf2 21.Be2 Nd1 22.Rd1 Bh2 23.Bf3 c6 24.Na5 Rb8 25.c5 Bc7 26.Nc4 Be6 27.Nd6 Bd6 28.Rd6 Kf8 29.Kd2 Ke7 30.Ke3 Rd8 31.Rd8 Kd8 32.Kf4 Ke7 33.Kg5 Bd5 34.Bg4 f5 35.Bf3?? Bf3 36.gf3 Kf7 37.Kh6 Kf6 38.f4= Ke6 39.Kh7 Kf7 40.Kh6 Kf6 41.Kh7?? g5–+ 42.fg5 Kg5 43.Kg7 f4 44.Kf7 f3 45.Ke7 f2 46.Kd7 f1Q 47.Kc7 Qa1 48.Kb7 Qa3 49.Kc6 Qb4 50.Kd6 a5 51.Kd5 a4 52.c6 a3 53.c7 Qc3 54.Kd6 a2 55.Kd7 a1Q 56.c8Q Qd1 57.Ke7 Qc8 (57...Qc8 58.Kf7 Qdd7#) 0–1. carocan (1840) – ojciecubu (1740), kurnik, 2011.

4.e3 g6 5.d4 Bg7 6.d5 Nb8 7.c4 d6 8.Nc3 Bf5 9.Nf3 Bg4 10.Be2 Bf3 11.Bf3 Nbd7 12.0–0 Ne5 13.Be2 0–0 14.f4 Ned7 15.e4 (15.Qd3 e6+=) 15...c6 (15...Ne4!? 16.Ne4 Bb2+=) 16.Qc2 cd5 17.Nd5 Nd5 18.ed5 Bb2 19.Qb2 Nf6 20.Bf3 Rc8 21.Rac1 White prepares c5 21...h6 22.Qd4 White plans c5 22...b5 23.c5 dc5 24.bc5 Nd7 25.Rfd1 Qa5 26.Qb4 Qc7 27.c6 Nb6 28.Qa5 Rb8 29.Qd2 Rfd8 30.f5 g5 31.h3 Nc4 32.Qb4 a5 33.Qc3 Qf4 34.Rd4 Qe5?? 35.Re1 Qf5? 36.Bg4 Qf6 37.Qd3?? Ne5 38.Qe2 Ng4 39.Rg4? Rd5–/+ 40.Qe7 Qe7 41.Re7 Rd1 42.Kh2+= Rc8 43.c7 Rc1 44.Rge4? R8c7–+ 45.R7e5 Rb1 46.Re8 Kg7 47.Rb8 Ra7 48.Re5 b4 49.Reb5 ba3?? 50.Rb1+– a2 51.Ra1 Re7 52.Ra2 Re5 53.Ra8 f6 54.R8a5 Ra5 55.Ra5 Kg6 56.g4 h5 57.gh5 Kh5 58.Kg3 Kg6 59.Kg4 Kh6 60.Rf5 Kg6 61.h4 gh4 62.Rh5 f5 63.Kh4 1–0. mihai740609 – ostryelk, kurnik, 2011.

4.e3 g6 5.Nf3 Bg7 6.d4 e6 7.c4 d6 8.Be2 Ne7 9.0–0 0–0 10.Nbd2 b5 11.Rc1 bc4 12.Nc4 Bb7 13.Na5 Rb8? (better is 13...Bd5!?+=) 14.Qc2 Ned5 15.Nc6 (better is 15.Nb7!? Rb7 16.Ba6+–) 15...Bc6+/– 16.Qc6 Rb6 17.Qc2 Qc8 18.Rfe1 Rb8 19.e4 Ne7? 20.Qc7 Qc7 21.Rc7 Ne4 22.Re7 Rb6 23.Rc7 d5 24.Bd3 Nd6 25.Rec1 h6 26.R7c6 Rc6 27.Rc6 Nc4 28.Bc4 dc4 29.Rc4 Ra8 30.Ne5 Be5 31.de5 Kf8 32.f4 h5 33.Kf2 Ke7 34.Kg3 Ra7 35.Bd4 Rd7 36.Bc5 Ke8 37.Bd6 f6 38.Rc8 Kf7 39.Rc7 Rc7 40.Bc7 f5 41.Kf3 Ke8 42.h3 Kd7 43.Bd6 Kc6 44.g4 h4 45.Be7 Kb5 46.Bh4 Ka4 47.Be7 Ka3 48.gf5 gf5 49.h4 1–0. ourang – r196, kurnik, 2012.

4.Nf3 d6 5.e3 Bf5 6.Nc3 e5 7.Bc4 Be7 8.0–0 0–0. septika – stefanW, ChessWorld.net, 2011.

4.Nf3 d6 5.Bf6 gf6 6.d4 Bg7 7.e3 e5 8.d5 Ne7 9.Bc4 Bg4 10.h3 =.

4.Nf3 e6 5.e3= b5 6.c4 bc4 7.Bc4 d5 8.Bb3+= Bd7 9.Qc2 Bd6= 10.Nc3 Ne7 11.Na4 a5 12.Nc5 ab4 13.ab4 Ra1 14.Ba1 Qb8 15.Qc3 Bb5 16.d3 Rg8 17.Nd4 c6 18.h3 Nd7+= 19.0–0 g5 20.Nb5 Qb5 21.Ba4 Qb6 22.Rc1 g4 23.hg4 Rg4 24.Qh8 Rg8? 25.Nd7+– Kd7 26.Qh7 Qb8? 27.Qf7+– Qb4 28.Bc6 Kd8 29.Qe6 Nc6 30.Qg8 Kd7 31.Qd5 (31.Qd5 Ne7 32.Qg5+–) 1–0. Zahn,Richard (2025) – Feldhaus,Sebastian (1765), Niederrhein–ch, 2005.

4.Nf3 e6 5.e3 d5 6.Be2 Bd6 7.0–0 0–0 8.d4 b5 9.Ne5 Bb7 10.Bd3 =.

4.Nf3 e6 5.e3 Be7 6.Bc4 0–0 7.Qe2 d5 8.Bb3 Ne4 9.Nc3 Bf6 10.0–0 Nc3 11.Bc3 Bc3 12.dc3 Qf6 13.Nd4 Ne5 14.Rfe1 Ng6 15.a4 Nh4 16.g3 Qg6 17.Nf3 Qg4?? (better is 17...Nf3 18.Qf3 a5+=) 18.Nh4+– Qg5 19.f4 Qf6 20.Rab1 h6 (20...Qc3 21.Nf3 Rd8+–) 21.Qd3 Bd7 22.e4 e5 (22...c6 23.a5+–) 23.f5 c6 24.ed5 cd5 25.Bd5 Kh8 26.Bb7 Qb6 27.Kf1 Qb7 28.Re5?? Qh1–/+ 29.Ke2 Qb1 30.Qd7 Qc2 31.Kf3 Qc3–+ 32.Kg4?? Qe5 33.h3 Qe4 34.Kh5 Qe3 35.g4 Qg5# 0–1. pieeater – stefanW, ChessWorld.net, 2012.

4.g3 e5 5.Bg2 Na7 (5...d5 6.c4+=) 6.e3 (6.Be5!? a5 7.c3+=) 6...a5 7.c3 (7.Be5 Nc6 8.Bc6 dc6=) 7...ab4 8.cb4 Nb5 (8...Qe7 9.d3=) 9.Ne2 (9.Be5 d5+=) 9...c5 (9...Qe7!?=) 10.bc5 Bc5 11.Nbc3 (11.Qb3!? Na7 12.Be5+/–) 11...Nc3= (11...Na3? 12.Qb3+–) 12.Nc3 0–0 13.0–0 d5 14.d3 (14.d4!? ed4 15.ed4=) 14...d4+= 15.ed4 ed4 (15...Bd4 16.Qc2+=) 16.Ne4= Bb6 17.Qb3 Rb8 18.a4 Ba5 (18...Ne4 19.de4 Qf6 20.e5+=) 19.Nc5 (19.Qb5 Ra8+=) 19...b6= 20.Ne4 Be6 21.Qc2 Rc8 22.Qe2 Bb3 23.Nf6 Qf6+= 24.Ra3 Rc2 25.Qf3?? Rb2 26.Qf6 gf6 27.Rc1 Be6 28.Rc6 Rd2 29.Bf1 Rc8 30.Rd6 Rcc2 31.Rd8 Kg7 32.Rd4 Rf2 33.Rf4 Rh2 34.Bh3 Rh3 35.Rf2–+ Rc1 36.Kg2 Rh5 37.d4 Bd5 38.Rff3 Rc2 39.Kg1 Rhh2 40.Rae3 Bf3 41.Rf3 Bd2 42.Kh2–+ (42.Kh2 Be3 43.Kh3 Bd4 44.Rd3–+). diablo005 – erdemsb, kurnik, 2012.

4.e3 e5

5.b5 ab5 6.Bb5 Bd6 7.Nf3 e4 8.Nd4 Nd4 9.Bd4 0–0 10.0–0 c6 11.Bc4 (11.Be2 c5 12.Bb2 Bb8+=) 11...Bc7 12.Nc3 d5 13.Ba2 (13.Be2 Qd6 14.g3 Bh3–/+) 13...Qd6–+ (13...Ra3?! 14.Bc5 Ra6 15.Bf8 Qf8 16.f4+=) 14.g3 Bh3 (14...Qa3 15.Nd5 cd5 16.Bb3+=) 15.Re1 Ng4 16.Ne2 (better is 16.d3!? Ba5 17.de4–+) 16...Qh6–+ 17.Nf4? (17.Bc5 Nh2! 18.f4 (18.Kh2?? Bg4 19.Kg1 Bf3 20.Kf1 Qh1 21.Ng1 Qg2) 18...Nf3 19.Kf2 Ne1 20.Bf8 Nc2 21.Qc2–+) 17...Bf1 (better is 17...Bf4 18.ef4 Nh2 19.Kh2 Bg4 20.Kg1 Bd1 21.Red1 Qh5–+ (worse is 21...Ra3 22.Bc5 Ra6 23.Bf8 Kf8 24.Bb3–+)) 18.h4?? (better is 18.Qg4!? Bb5+–) 18...Bf4 (better is 18...Ne5 19.Kf1 Nf3+/–) 19.ef4?? (better is 19.Qg4 Bd6 20.Rf1+–) 19...Bh3+= 20.f3 ef3 21.Qf3+= Nf6 22.Bf6 Qf6–/+ 23.Kh2 Be6 24.c3 Rfe8 25.Rab1 b5 26.Rb3 d4 27.Rb2 Ba2 28.Re8 Re8 29.Ra2 dc3 30.dc3 Qd6 31.a4+= ba4 32.Ra4 Qd2 33.Kh3 g6 (33...g6 34.f5 Qd7=) 0–1. erisonpassos – wpajr, kurnik, 2011.

5.c4 d6 6.d3 Ng4 (6...Be7 7.Nf3=) 7.h3 Nf6 8.Nf3 Nh5 (8...Be7 9.d4 e4 10.d5 ef3 11.dc6 fg2 12.Bg2=) 9.Be2 (9.Ne5 de5 10.Qh5 g6+/–) 9...Nf6= 10.Nbd2 g6 (10...Be7 11.0–0+=) 11.0–0 Bg7 12.e4 (12.d4 ed4 13.ed4 0–0+=) 12...0–0 13.Nh2 (13.Bc3 Re8=) 13...b6 14.Ng4 Ng4 15.Bg4 Bg4 16.Qg4 Ne7 (16...Bh6 17.Rad1=) 17.f4 ef4 (17...f5!? 18.ef5 Nf5 19.fe5 Be5=) 18.Bg7+/– Kg7 19.Rf4 Ng8 (19...f5 20.ef5 Nf5 21.Raf1+=) 20.Raf1+/– f6 21.Qe6 c6 22.Qg4 Ra7 23.Qe2 Raf7 24.Nf3 Nh6 25.Nd4 c5?? 26.Ne6+– Kh8 27.Nd8 Rd8 28.Rf6 Rdd7 29.Rf7 Nf7 30.Qg4 Re7 31.Qc8 Kg7 32.Qa6 cb4 33.ab4 Ne5 34.Rd1 Kh6 35.Qb6 Rf7 36.Qd6 Nf3 37.gf3 Rf3 38.Kg2 Rf4 39.Qf4 g5 40.Qf6 Kh5 41.e5 h6 42.e6 g4 43.e7 gh3 44.Kh2 Kg4 45.Rg1 Kh5 46.Qf5 Kh4 47.Qg4 (47.Qh3) 1–0. Fournier,Frederic (1910) – Scotch, Active (5/0), 2005.

5.c4 d6 6.Nf3 Be6 7.Be2 Be7 8.0–0 0–0 9.d3 e4 10.de4 Ne4 11.Nfd2 Nd2 12.Nd2 Ne5 13.Rc1 c6? (13...Bf6 14.Bd4=) 14.Nf3?? (better is 14.f4 Qb6 15.Bd4+–) 14...Ng6 15.Nd4 White plans b5 15...Qc7 16.Bf3 Rad8 17.Qe2 Rfe8 18.Rfd1 Bf6 19.b5 ab5 20.cb5 c5 21.Ne6 Re6 22.Bd5 Nf4 23.Qc2 Nd5 24.Rd5 Bb2 25.Qb2 Qa5 26.h3 Rde8 27.Rcd1 Qb6 28.a4 Rh6 29.Qd2 Ree6 30.Rc1 Reg6?? 31.Rdc5 dc5–+ 32.Rc5?? Rd6 33.Rc8 (33.Rc8 Rd8 34.Qd8 Qd8 35.Rd8#) 1–0. ourang – genmaczek, kurnik, 2012.

5.Bc4 d5 6.Bb3 Bd6 7.Ne2 0–0 8.0–0 Bg4 9.Nbc3 Re8 (Better is 9...d4!? 10.Nd5 Re8=+) 10.Nd5+= (< 10.Bd5 Nd5 11.Nd5 e4=) 10...Ne4?? (Better is 10...Be6 11.Nf6 Qf6 12.Be6 Qe6+=) 11.f3+– Bf5 12.fe4 Be4 13.Ndc3 Rf8 14.Ne4 Qh4 15.Nd6 cd6 16.Ng3 g6 17.Qf3 Qe7 18.Ne4 Kg7 19.Qf6 Qf6 20.Rf6 d5 21.Bd5 Rad8 22.Bc6 bc6 23.Be5 Rd5 24.Bc3 h6 25.Rc6 Kg8 26.Nf6 Kg7 27.Nd5 Kg8 28.Nf6 Kg7 29.Nd7 Kg8 30.Nf8 Kf8 31.Rf1 h5 32.Ra6 Kg8 33.b5 Kh7 1–0. Mutley – Sincerely Sam, ChessWorld.net, 2003.

5.Bc4 d5 6.Bb3 Bd6 7.Ne2 Be6 8.0–0 0–0 9.f4 Qd7 10.fe5 Ne5 11.Nbc3 Bg4 (better is 11...c6!?+=) 12.Rf6+= (worse is 12.Bd5 Nd5 13.Nd5 Nc4+=) 12...gf6 13.Nd5 Be7 (13...Qd8 14.Qf1 Be2 15.Qe2+/–) 14.Qf1+/– Be2 (14...Qd8 15.Ng3 Be6 16.Ne7 Qe7 17.Nh5 Bb3 18.Nf6 (18.cb3?! f5+–) 18...Kh8 19.cb3+–) 15.Qe2 Kg7 (15...Qd6 16.c4+/–) 16.Rf1 Qd6 17.Qh5 1–0. Trokenheim,Marek (1815) – Leclerc,Sophie, FICGS, 2008.

5.Nf3 d6 6.h3 Be6 (6...Be7 7.Be2+=) 7.c4 (7.Be2 Be7+=) 7...b6 (7...e4 8.Ng5=) 8.Nc3 h6 (8...Qe7 9.Be2=) 9.d4 ed4 10.ed4 Be7?? (better is 10...Qe7=) 11.d5+– Bd5 (11...Bd7 12.dc6 Bc6 13.Bd3+–) 12.cd5 Nb8 13.Bd3 0–0 14.0–0 Nbd7 15.Re1 b5 16.Re3 Nh5 17.Nd4 Nf4 18.Nc6 Qe8 19.Ne7 Kh8 20.Ng6! Ng6 21.Re8 Rae8 22.Qd2 Re7 23.Re1 Re1 24.Qe1 Nge5 25.Bf5 Nf6 26.Ne4 Nd5 27.Be5 de5 28.Nc5 f6 29.Na6 c6 30.Qc1 Ne7 31.Bd7 Rd8 32.Bc6 Nc6 33.Qc6 1–0. mgriffin – valerypavlovich, net–chess.com, 2001. (=1.a3 Nc6 2.b4 a6 3.Bb2 Nf6)

5.Nf3 e4 6.Nd4 Nd4 7.Bd4 d5 8.c4 dc4 9.Bc4 b5 10.Be2 Be7 11.Nc3 0–0 12.0–0 c6 (12...Bf5 13.f3 Qd7 14.Rc1+=) 13.d3 ed3 14.Bd3 Bg4 (14...a5 15.Qc2+=) 15.Qc2+/– h6 16.f3 Bh5 (16...Bd7 17.Ne4+/–) 17.Rad1 Nd5 (17...Qe8 18.Qb3+/–) 18.Nd5 (18.Bh7 Kh8+–) 18...cd5+/– 19.Qb2 (19.g4 Bg6 20.Bg6 fg6 21.Qg6 Bf6+–) 19...f6 20.Rc1 Qd6 21.Bc5 (21.Bf5 Rfe8+/–) 21...Qe6+= 22.Be7 (22.Qd4 Rae8+=) 22...Qe7 (22...Qe3 23.Qf2 Qe7 24.Rfe1=) 23.Rfe1 Qe5 24.Qe5 fe5 25.Rc5 Rad8 26.Rec1 Rfe8 (26...e4 27.fe4 Bg6 28.Bb5 ab5 29.ed5=) 27.Bf1 (27.Rc6 e4 28.fe4 de4+=) 27...d4 (27...Bf7!?=) 28.ed4+/– 1–0. Fournier,Frederic (1820) – espadaajedrez (1645), Active (5/0), 2005.

4.Nf3 d5

5.e3 e6 6.d4 Bd6 7.Bd3 0–0 8.0–0 b5 9.Ne5 Qe8 10.Nd2 =.

5.e3 Bg4

6.c4 e6 7.d4 Be7 8.Nbd2 0–0 9.Bd3 Bf5 10.Bf5 ef5 11.Qc2 Ne4 12.cd5 Qd5 13.0–0 Rac8 14.Rac1 Rfd8 15.Nc4 Bf6 16.Rfd1 g5 17.Nce5 Rd6 18.Qc4 (better is 18.Qa4+=) 18...Rcd8?? (better is 18...Ne5 19.Ne5 Be5 20.Qd5 Bh2 (worse is 20...Rd5 21.de5 Rd2 22.Rd2 Nd2 23.Rc2+=) 21.Kh2 Rd5+=) 19.Qd5+– Rd5 20.Nc6 bc6 21.Rc6 g4 22.Nd2 Nd6 23.Rdc1 Re8 24.Rc7 f4 25.e4! Ne4 26.Ne4 Re4+/– 27.Rd1 Re2 28.Bc3 Ra2 29.Rc6 Ra3 30.Rf6 Rc3 31.Ra6 Rd4–/+ 32.Rb1 Rb4! 33.Rf1 Kg7 34.h3 h5 35.hg4 hg4 36.Ra5 Kg6 37.Kh2 Rb2 0–1. ferminkatcho (1775) – ojciecubu, kurnik, 2011.

6.Be2 Qd6 7.h3 Bf3 8.Bf3 e5 9.d3 Be7 10.Nd2 =.

6.h3 Bf3 7.Qf3 e5 8.b5 ab5 9.Bb5 e4 10.Bf6 =.

6.Be2 e6

7.0–0 Bd6 8.d3 Qe7 9.Nbd2 e5 10.c4 =.

7.c4 dc4 8.Bc4 Bd6 9.0–0 0–0 10.d4 =.

7.c4 dc4 8.Bc4 Bd6 9.d4 0–0 10.0–0 =.

7.c4 Bd6 8.0–0 dc4 9.Bc4 a5 (9...0–0 10.d4=) 10.b5 Ne7 (10...Ne5 11.Be2 Ned7 12.d3=) 11.h3+= Bh5 12.Nc3 (12.Bf6 gf6 13.d4 f5+=) 12...0–0= 13.g4 Bg6 14.Nh4 Qd7 15.Ng6 Ng6 (worse is 15...fg6 16.Qb3 Nfd5 17.Nd5 Nd5 18.Bd5 ed5 19.Qd5 Kh8 20.Be5–/+) 16.d4 e5 17.Ne2 (17.Qf3 ed4 18.ed4 Nh4=+) 17...e4 18.Ng3 Nh4 19.Be2 Rfe8 20.Rc1 (20.Qc2 Nf3 21.Kg2 h5=+) 20...Nd5 21.Qb3 Bg3 22.fg3 a4 23.Qa2 Nf3 (23...Ne3?! 24.gh4 Nf1 25.Rf1=) 24.Kg2?? (24.Bf3!? ef3 25.Rf3 Ne3 26.Rc5=+) 24...Ng5 (Better is 24...Ne3 25.Kf2 Nf1 26.Kf1 h5–+) 25.Rh1 (25.Rc3!?–/+) 25...Re6?? (26.Rc5 Rd6=+; Better is 25...Ne3 26.Kf2 Nd5–+) 0–1. Everett – Wochnik,Manfred, corr 3GMM–48, 1995.

7.c4 Bd6 8.c5 Be7 9.0–0 0–0 10.d3 =.

7.d3 Bd6 8.0–0 Qe7 9.Nbd2 e5 10.c4 =.

3.b5 ab5

4.e4 Na7 5.d4 e6 6.Nf3 d5 7.Nbd2 c6 8.Be2 Bb4 9.0–0= Nf6 10.c3 Ba5 11.e5= Ng8 12.Nb3 Bb6 13.Ne1 f5 14.Nc5 Bc5 15.dc5 Bd7 16.f4 Qe7 17.Nd3 0–0–0 18.a4+/– Kc7 19.a5 g5 20.a6 g4 21.Nb4 Qc5= 22.Qd4 Qd4–/+ 23.cd4 b6 24.Rfc1= Ne7 25.Ba3 Nec8 26.Nd3 27.Be7?? Ne7–+ (28.Kf2 h4–+) 0–1. gtate (2060) – zekota (2105), net–chess.com, 2006.

4.e4 Na7 5.d4 e6 6.Nf3 d5 7.Bd3 de4–/+ 8.Be4 Nf6 9.Bd3 Bd6 10.Nbd2 0–0 11.0–0 Nd5 12.Ne4 Nf4 13.Nd6=+ Qd6 14.a4 Bd7 (15.ab5 Nb5=+ (< 15...Bb5 16.c4 Qb4 17.Ba3+/–; 15...Nd3?! 16.Qd3 Nb5 17.c4=)). Sonara Valdes,Rouget – Wochnik,Manfred, corr 3GMM–48, 1995.

2.Bb2 d5

(--> 1.b4 d5 2.Bb2 a6).

3.a3 Nc6 (--> 2.Bb2 Nc6 3.a3 d5).

3.e3 e6 4.Nf3 Nf6 5.a3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3).

3.Nf3 e6 4.e3 Nf6 5.a3 Be7 6.Be2 0–0 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Be7 5.e3 0–0 6.Be2 a6).

3.Nf3 Bf5 (--> 1.b4 d5 2.Bb2 Bf5 3.Nf3 a6).

3.Nf3 Bf5 4.e3 e6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 e6 4.Nf3 a6).

2.Bb2 d6

(--> 1.b4 d6 2.Bb2 a6).

3.a3 e5 (--> 1.b4 e5 2.Bb2 d6 3.a3 a6).

3.a4 e5 (--> 1.b4 e5 2.Bb2 d6 3.a4 a6).

3.c4 e5 (--> 1.b4 e5 2.Bb2 d6 3.c4 a6).

3.c4 e5 4.e3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 a6).

3.e3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 a6).

3.e3 e5 4.c4 Be6 5.Nf3 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be6 5.Nf3 a6).

3.e3 e6 (--> 1.b4 e6 2.Bb2 d6 3.e3 a6).

2.Bb2 e6

(--> 1.b4 e6 2.Bb2 a6).

3.a3 Nf6 (--> 1.b4 e6 2.Bb2 Nf6 3.a3 a6).

3.a4 Nf6 4.b5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.a4).

3.a4 Nf6 4.b5 c5 5.e3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 c5).

3.a4 Nf6 4.b5 d5 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4).

3.c4 Nf6 4.b5 d5 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.c4).

3.e3 d6 (--> 1.b4 e6 2.Bb2 d6 3.e3 a6).

3.e3 f5 (--> 1.b4 f5 2.Bb2 e6 3.e3 a6).

3.e3 Nf6 4.a3 b5 5.c4 Bb7 6.Nf3 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6 6.c4).

3.e3 Nf6 4.a3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6).

3.e3 Nf6 4.b5 (--> 1.b4 e6 2.Bb2 Nf6 3.b5 a6 4.e3).

3.e3 Nf6 4.b5 b6 5.a4 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.b5 a6 5.a4 b6).

3.Nf3 b5 4.a3 Bb7 5.e3 Nf6 (--> 1.b4 b5 2.Bb2 Nf6 3.e3 Bb7 4.Nf3 e6 5.a3 a6).

2.Bb2 f5

3.e4 fe4 4.Nc3 Nf6 5.Ne4 Nc6 6.Bc4 Nb4 (6...Ne4? 7.Bg7 d5 8.Bh8+–) 7.Nf6 (7.Qe2 Ne4 8.Bg7 d5 9.Qh5 Kd7 10.Bh8 Nc2 11.Kd1 Na1 12.Qd5 Nd6 13.Ba1 c6+=) 7...ef6+= 8.Qh5 (8.Bb3 h5 9.Ne2 d5) 8...g6 9.Qe2 Be7 10.Bf6 Nc2 11.Kd1 Na1 12.Bh8 d5 13.Bd3 d4 14.Nf3 Bg4 15.Bf6 Qd7 16.Be7 Qe7 17.Re1 Qe2 18.Re2 Kf8+= 19.Kc1 Bf3 20.gf3 c5 21.Kb2 b5 22.Re6+/– Kf7 23.Rc6 c4 24.Rc7 Kg8 25.Be4+/– Rb8 26.Ka1+– c3? 27.dc3 dc3 28.Bd5 Kh8 29.Rc3 Kg7 30.Rc7 Kh6 31.Bb7 a5 32.Bd5 Re8 33.h3 Re1 34.Kb2 Re2 35.Kc3 Rf2 36.Ra7 b4 37.Kb3 Rh2 38.Be6 1–0. Tiedemann,Joern (1940) – Brosmann,Peter, remoteschach.de, 2009.

3.g3 e6 4.Bg2 Nf6 (4...Bb4?? 5.Bg7 d5 6.Bh8+–) 5.a3 d5 6.d3 Bd6 7.Nd2 0–0 8.Ngf3 c6 9.Qc1 Nbd7 10.c4 Qe7 11.0–0 Ng4 12.c5 Bc7 13.h3 Ngf6 14.Bc3 e5 15.Bb2 e4 16.Nd4 ed3 17.Nf5 Qe2 18.Re1 Qh5 19.Ne7 Kh8 20.Qd1 Qd1 21.Rad1 Rf7 22.Nf5 Ne4?? 23.g4 Ndf6 24.Bf6 Rf6?? 25.Ne4+/– de4 26.Be4 Bd7 27.Rd3 Rd8 28.Red1 Rf7 29.Nd6 Bd6 30.Rd6 Kg8 31.Kg2 Re7?? 32.f3 Kf8? 33.Kg3 Ke8? 34.R1d4 h6? 35.f4 Re6 36.f5 Rd6 37.Rd6 Bc8 38.Kf4 Rd6 39.cd6 Kd7 40.Ke5 1–0. linakip – pijany1mistrz, kurnik, 2012.

2.Bb2 f6

3.a3 b5 4.e3 Bb7 5.Nf3 e6 6.Be2 c5 7.c3 Nc6 8.bc5 Bc5 9.d4 Bd6 10.0–0 Qb6 11.Nbd2 g5 12.Ne4 (better is 12.c4 Qc7 13.d5 ed5 14.cb5 ab5 15.h3+/–) 12...g4? (12...Be7!?+=) 13.Nfd2 (13.Nd6!? Ke7 14.Ng5 fg5+–) 13...Qc7 14.Bg4 (better is 14.Nd6 Qd6 15.c4+–) 14...Bh2= 15.Kh1 h5 16.Bf3 h4+= 17.Bh5 Ke7? 18.Nc5 f5? 19.Nb7+– Nf6 20.Bf3 Ng4? 21.Nc5 Rag8 22.Bg4 fg4 23.Nde4 h3 24.g3 Bg3 25.Ng3 e5 26.d5 h2 27.Na6 Qb7 28.Nc5 Qb6 29.d6 Kd8 30.Nce4 Rh3 31.Nf6 Rgh8 32.Ng4 Na5 33.Ne5 Qb7 34.Qf3 Qf3 35.Nf3 Nc4 36.Bc1 Rf8 37.Nd4 Ne5 38.Nb5 Nd3 39.Bd2 Nf2 40.Kg2 h1Q 41.Nh1 Nh1 42.Rf8# 1–0. cogit – figo38, kurnik, 2012.

3.a4 b6 4.b5 ab5 5.ab5 Ra1 6.Ba1 g6 7.e3 Bg7 8.Nf3 h5 9.c4 d6 10.Bd3 Rh6 11.Nh4 Kf7? (11...g5 12.Nf5 Bf5 13.Bf5+/–) 12.0–0?? (better is 12.Bg6 Kf8 13.Bh5+–) 12...e5 13.g3 Nd7 14.Nc3 Nc5 15.Qc2 (15.Bg6!? Rg6 16.Qh5+/–) 15...Nd3= 16.Qd3 Bh3 17.Re1 Qa8 18.Qd5 Qd5 19.Nd5 g5 20.Ng2 Be6 Black plans h4 21.Rc1 Ne7 22.Nc7 h4 23.d4 hg3 24.fg3 Rh8 25.Ne6 Ke6 26.d5 Kd7 27.e4 Ra8 28.Ne3 Ra3 29.Kf2 Bh6 30.g4 Bf8 31.h3 Ng6+/– 32.Bb2 Ra7 33.Ra1+– Ra1 34.Ba1 Nf4 35.Kg3 Be7 36.Nf5 Ne2 37.Kf2 Nc1 38.h4 gh4 39.Nh4 Nb3 40.Bc3 Bf8 41.Kf3 Bh6 42.Nf5 Bd2+= 43.Bb2 Bb4 44.Nh6 Nd2 45.Kg3 Ke7 46.c5?? Ne4 47.Kh4? Nc5 48.Kh5? Nd7?? 49.Kg6= e4 50.Ng8 Kf8–/+ 51.Bc1? Bc5?? 52.Bd2?? e3 53.Be1 e2 54.Nf6 Nf6?? 55.Kf6 +=. olawoj – jakegreen, kurnik, 2012.

3.a4 c6 4.c4 e5 5.b5 a5 6.e3 c5 7.Nf3 b6? (7...d5 8.d4 cd4 9.ed4 Bb4 10.Bc3 ed4 11.Bb4 ab4 12.Qd4+=) 8.d4 (8.Ne5 g6+–) 8...d6 9.de5 de5 10.Qd8 Kd8 11.Nc3 Be6 12.Be2 Ne7 13.0–0–0 Ke8 14.h3 Ng6 15.g4 h6 (15...Nd7 16.Nd5 Rc8 17.Nd2+/–) 16.Rd2 Be7 17.Rhd1 Nd7 18.Ne4 Rd8 19.Nd6 Kf8? (better is 19...Bd6 20.Rd6 Ke7+=) 20.Nb7+– Rb8 21.Nd6 Bd8?? 22.h4 Ke7 23.h5+– Ngf8 24.Nf5 Bf5 25.gf5 Bc7 26.Nh4 Rd8 27.Ng6 Ng6+/– 28.fg6 Nb8 29.Bg4 Rd2 30.Rd2 Rd8 31.f3 Rd2 32.Kd2 Nd7 33.Kd3 Nf8 34.Ke4 Ne6 35.Kd5 Nd8 36.e4 Bb8 37.Bc1 Bc7 38.Bf5 Bb8 39.Bc8 Bc7 40.Bf5 Bb8 41.Bc8 Bc7 42.Bf5 ˝–˝. olawoj – shakisti, kurnik, 2012.

3.a4 c6 4.c4 e5 5.b5 Bb4 6.Bc3 Bc5 7.e3 d5 8.Nf3 (8.d4 ed4 9.ed4 Qe7 10.Qe2 Bd6=) 8...Bg4 9.Be2 Bf3 10.Bf3 d4 11.ed4 Bd4 12.Bd4 Qd4 (worse is 12...ed4 13.0–0+=) 13.Nc3 ab5 (better is 13...Qc4!? 14.bc6 Nc6+=) 14.ab5+= Ra1 15.Qa1 Qc4?? (15...Ne7 16.Qa8 Kf7 17.Qb7+=) 16.bc6 bc6?? 17.Qa4?? Ne7?? 18.Qc2 0–0–/+ 19.d3 Qc5 20.0–0 Nd5 21.Rc1 Nc3 22.Qc3 Qc3 23.Rc3 Rc8 24.g3 Kf8 25.Kf1 Ke7 26.Ke2 Kd6 27.Ke3 c5 28.Ke4 Nc6–+ 29.Kf5 Nd4 30.Kg4 Nf3 31.Kf3–/+ Kd5 32.Ke3 c4 33.dc4 Rc4 34.Rc4 Kc4 35.Ke4 Kc5 36.f4 Kd6 37.f5 h6 38.g4 Kc5 39.Kd3 Kd5 40.Ke3 e4 41.Ke2 Kd4 42.Kd2 e3 43.Kd1 Ke4 44.Ke2 Kf4 45.h3 Kg3 46.Ke3 Kh3 47.Kf4 Kh4 48.Kf3 Kg5 49.Kg3 h5 50.gh5 Kh5 51.Kf4 Kh6 52.Kg4= g6 53.fg6 Kg6 54.Kf4 f5 55.Kf3 Kg5 56.Kg3 f4 57.Kg2 Kg4 58.Kf2 f3 59.Kg1?? Kg3–+ 60.Kf1 f2 61.Ke2 Kg2 0–1. olawoj – shakisti, kurnik, 2012.

3.a4 c6 4.c4 e5 5.b5 ab5 6.ab5 Ra1 7.Ba1 c5 (7...cb5 8.e4+=) 8.e3 b6? (8...d5 9.cd5 Qd5 10.Nc3=) 9.Nc3 (9.Be5!? Bb7 10.Bf4+/–) 9...d6 10.Nf3 Be6 11.Be2 Nd7 12.0–0 Ne7 13.h3 Nf5 14.e4 (14.d4 cd4 15.ed4 Qc7+/–) 14...Nd4 15.Nd4 ed4 16.Na4 (16.Nd5!?+/–) 16...Be7= 17.d3 0–0 18.Bb2 f5 19.ef5 Bf5 20.Bf3 Ne5 21.Bd5 Kh8–/+ 22.Be4 Qc7 23.Bf5= Rf5 24.Bc1 Bd8 25.g4?? Rf8?? 26.Kg2? Qf7 27.Kg3? Qf6?? 28.f4+= Qh4 29.Kg2 Ng6 30.f5 Ne5 31.Bf4 Qf6 32.Qd2 h6 33.Nb2 g6? 34.fg6 Qg6?? 35.Be5+– Bf6 36.Bf6 Rf6 37.Rf6 Qf6 38.Qf2 Qg7 39.Qf5 Qe7 40.Qe4 Qg7 41.Nd1 Qf7 42.Nf2 Kg7 43.Kg3 Qc7 44.Qe6 d5 45.Kg2 dc4 46.dc4 Qb7 47.Ne4 d3 48.Qf6 Kh7 49.Kf3 d2 50.Qd6 Qf7 51.Ke3 Qc4 52.Nd2 Qb5+– 53.Qd3 Qd3 54.Kd3 b5 55.Ne4 c4 56.Kc3 Kg6 57.Kb4 h5 58.Kb5 hg4= 59.hg4 c3 60.Nc3 Kg5 61.Ne4 Kg4 ˝–˝. olawoj – shakisti, kurnik, 2012.

3.c4 e5 4.Qb3 c6 (4...Nc6 5.a3=) 5.a4 (5.d4 d5 6.de5 dc4 7.Qc4 Qe7+=) 5...d5 6.e3 Be6 7.Nf3 Nd7 8.d4 Bd6 9.b5 (9.c5 Bc7=) 9...Ne7 (9...dc4 10.Bc4 Bc4 11.Qc4 ab5 12.ab5 Ra1 13.Ba1 Qa5 14.Bc3 Qb5 15.Qb5 cb5 16.Nbd2+=) 10.Nc3 (10.c5 Bb8=) 10...0–0 11.cd5 cd5 12.Be2 e4?? (12...ab5 13.Nb5 Bb8 14.0–0=) 13.Nd2 (better is 13.Ne4 Bb4 14.Bc3 Bc3 15.Nc3+/–) 13...f5= 14.0–0 f4? 15.Nce4! Nf6 16.Nd6+– Qd6 17.Ba3 Qb8?? 18.e4 Qc8? 19.e5 Ne4 20.Qd3 Bf5? 21.Be7 Nf2 22.Qb3 Rf7 23.Bd6 Ne4 24.Ne4 Be4 25.Bf3 Qf5 26.Rae1 Rd8 27.g3 fg3 28.Be4 gh2 29.Kh1 Qf1 30.Rf1 Rf1 31.Kh2 1–0. carocan (1825) – alniro (1640), kurnik, 2011.

3.c4 e5 4.e3 d5 5.cd5 Qd5 6.Nc3 Qd8 7.a3 Nc6 8.Nf3 Nge7 9.b5 Na7 10.ba6 ba6 11.Qa4 Bd7 12.Qc2 Nb5 13.Nb5 ab5 14.d4 Nc6 15.de5 fe5 16.Bb5 Ne7 17.Bd7 Qd7 18.Ne5 Qe6 19.0–0 0–0–0 20.Nc6 Nc6 21.a4 Bb4 22.Bg7 Rhg8 23.Bc3 Bc3 24.Qc3 Qh3 25.g3 Qg4 26.Qc6 Rd2 27.Rad1 Rd1 28.Rd1 Qd1 29.Kg2 Rd8 30.Qa8 Kd7 31.Qe4 Qd6 32.Qh7 Qe7 33.Qd3 Kc8 34.Qf5 Qd7 35.Qc2 Qd5 36.f3 Qd2 37.Qd2 Rd2 38.Kh3 Rd3 39.e4 Kd7 40.f4 Ke6 41.Kg4 Rd4 42.e5 Ra4 43.h4 Re4 44.h5 c5 45.Kg5 Kf7 46.g4 Kg7 47.h6 Kh7 48.Kf5 Rf4 49.Kf4 Kh6 50.e6 Kg6 51.Ke5 c4 52.Kd4 Kf6 53.Kc4 Ke6 54.Kd4 Kf6 55.Ke4 Kg5 56.Kf3 Kg6 57.Kf4 Kh6 58.Kf5 Kg7 59.g5 Kf7 60.g6 Ke7 ˝–˝. thecat74 – lugasa, kurnik, 2012.

3.e3 e5 4.a3 Bd6 5.c4 b5 6.c5 Be7 7.d4 ed4 8.ed4 c6 9.Nc3 Nh6 10.h3 0–0 11.Bd3 d6 12.Nge2 d5 13.0–0 Nd7 (13...a5!?+=) 14.Qc2 g6 15.Nf4 Qc7? (better is 15...Nb8 16.Bg6! f5+–) 16.Ne6 Qb8 17.Nf8 Kf8 18.f4 f5 19.Ne2 Bf6 20.Kh1 Kf7 21.g3 Nf8 22.Rae1 Be6 23.Nc3 Qc8 24.Na2 Qd7 25.Nc1 a5 26.Ne2 ab4 27.ab4 Ra2 28.Ra1 Ra1 29.Ra1 g5 30.Kg2 gf4? 31.Nf4 Bg5 32.Ne6 Qe6 33.Ra7 Kg6 34.g4 Nd7 35.gf5 Nf5 36.Bf5 Qf5 37.Qf5 Kf5 38.Rd7 Ke4 39.Rh7 Be3 40.Rh4 Kd3 41.Kf3 Bd2 42.Rg4 Bb4 43.h4 Bd2 44.Rg6 b4 45.Rc6 Kc2 46.Ba1 b3 47.Rb6 Bc3 48.Bc3 Kc3 49.c6 Kd4 50.Rb3 Kc5 51.c7 Kd6 52.c8Q d4 53.Ke4 (53.Ke4 d3 54.Rb6 Ke7 55.Qc7 Ke8 56.Rb8#; 53.Rb6 Kd5 54.Qe6 Kc5 55.Qc6#) 1–0. cogit – shakisti, kurnik, 2012.

3.e3 e5 4.Bd3 Bb4 5.Qh5 g6 6.Bg6 hg6 7.Qh8 Kf7 8.Nf3 Qe7 9.Nh4 Qd6 10.Qh7 Ke6 11.Qg8 Ke7 12.Ng6# 1–0. riditko – samtron01, kurnik, 2012.

3.e3 e5 4.Bd3 Nc6 (Better is 4...Nh6=+) 5.Qh5+– g6 6.Bg6 Ke7 (6...hg6 7.Qh8 Nh6 8.Qh7+–) 7.Bh7 Nh6 8.Bg6 d5 9.a3 (9...Bg7 10.Qf3+–) 1–0. Wall,Bill – Sonik, Internet, 2003.

3.e3 e5 4.Qh5 g6 5.Qh4 d5 6.Nf3 Be6 7.a3 Nd7 8.c4 c6 9.Nc3 Bg7 10.cd5 cd5 11.b5 Ne7 12.ba6 ba6 13.Qa4 0–0 14.Be2 Nc5 15.Qc2 e4 16.Nd4 Bf7 17.0–0 Rc8 18.Rfc1 Qb6 19.a4 f5 20.Ba3 Nc6 21.Rab1 Qa7 22.Nc6 Rc6 23.a5 Rfc8 24.Qd1 Nb7 25.Bb4 Nd6 26.Na4 Nc4 27.Nb6 R8c7 28.d4 ed3 29.Bd3 Ne5 30.Rc6 Rc6 31.Qe2 Qc7 32.h3 Nc4 33.Nc4 dc4 34.Bc2 c3 35.Ba4 Rc4 36.Qc2 Qe5 37.Ba3 Qe4 38.Qe4 Re4 39.Rb8 Bf8 40.Rf8 Kg7 41.Rb8 Ra4 42.Bf8 Kf6 43.Rb6 Be6 44.Ra6 c2 45.Rc6 Rc4 0–1. elsh1403 – gigibalamuc, kurnik, 2012.

3.e3 g6 4.Nf3 c6 5.c4 Qc7 6.d4 d6 7.Be2 Be6 8.Nc3 Nd7 9.0–0 0–0–0 10.h3 d5? (better is 10...Nb6!? 11.d5 Bf7+/–) 11.cd5+– cd5 12.Rc1 b5?? (12...Kb8+–) 13.Nd5! Qc1 (13...Bd5 14.Rc7 Discovered attack) 14.Qc1 Kb7 15.Nc3 (better is 15.Qc7 Ka8 16.Qd8 Nb8 17.Rc1 a5 18.Qa5 Na6 19.Qa6 Kb8 20.Qb6 Ka8 21.Nc7) 15...Bd5 16.Nd5 Bg7 17.Qc7 Ka8 18.Qd8 Kb7 19.Qd7 Ka8 20.Nb6 Kb8 21.Qe8 Ka7 22.Nc8 Kb8 23.Ne7 Ka7 24.Ng8 f5 25.Qf7 Kb8+– 26.Qg7 Kc8 27.Qh8 h5 28.Ne5 g5 29.Rc1 Kb7 30.Qg7 Kb6 31.Qc7 1–0. mihai740609 – szachofeel, kurnik, 2011.

3.e3 h5 4.Be2 g6 5.Nf3 d5 6.Nh4 Kf7 7.Nc3 Be6 8.e4 d4 9.Nd5 Bd5 10.ed5 Qd5 11.Bf3 Qg5 12.g3 c6 13.Bd4 Nd7 (13...e6 14.Be4 Ne7 15.0–0+/–) 14.c3 (14.Be4!? Rh6 15.Be3 Qe5+–) 14...Bg7 15.a4 Nh6 16.0–0 Nf5 17.Nf5 Qf5 18.b5 e5 19.bc6+/– bc6 20.Bc6 Rad8 21.Qb3 Ke8 22.Rfe1 h4 23.f4 hg3 24.Be5?? fe5 25.d4 Rh2?? 26.de5?? Qh3?? 27.Qg8= Ke7 28.Qg7+/– Ke6?? 29.Qg6 Ke7 30.Qg7 Ke8 31.Qg8 Ke7 32.Qg7 Ke6?? 33.Qg6 Ke7= 34.Qg7 ˝–˝. j1a9n55 – qbakrak, kurnik, 2011.

3.e3 Nh6 4.c4 Nf5 5.Nf3 Nc6 6.a3 e6 7.d4 Na7 8.Nc3 Be7 (8...d5 9.e4 de4 10.Ne4+=) 9.Bd3 Nh6 10.0–0 0–0 11.Qc2 f5 12.d5 c6 13.de6 de6 14.Rad1 Qc7 15.c5 Bd7 16.Na4 b5?? (better is 16...Bf6+/–) 17.cb6+– Qd8 18.ba7 Ra7 19.Bc4 Qc7 (19...Qe8 20.Bd4 Rb7 21.Nc5 Bc5 22.Bc5+–) 20.Be5 Qc8 (20...Qd8+–) 21.Nb6 Qe8 22.Nd7 Rd7 (22...Bb4 23.Ng5 Rf7 24.Be6+–) 23.Be6 Kh8 24.Rd7 Ng4 25.Bf5 Nh6 26.Bh7 Bf6 27.Bf6 gf6 28.Rfd1 Qc8 29.Qg6 (29.Qg6 Nf5 30.Bg8 Qd7 31.Rd7 Rf7 32.Bf7 Ne3 33.Qg8#) 1–0. Fournier,Frederic (1930) – Josephina, Chess.com (Tournoi ferme), 2012.

3.e4 e5 4.c4 Bb4–/+ 5.Bc3 Bc5 6.d4 ed4 7.Bd4 Ba7 8.Qd3 c5 (better is 8...Bd4!? 9.Qd4 Nc6–/+) 9.Bc3 Nc6 10.Qd6 Nge7 11.Na3 Qb6 12.Be2 Bb8 13.Qd1 d6 14.e5? (14.Bh5 g6 A) 15.Bf6? Qb4 16.Kf1 Rf8 (16...Qa3?! 17.Bh8 gh5 18.Qh5 Ng6 19.Qh7 Qd3 20.Ne2–/+; 16...gh5?! 17.Bh8 Qa3 18.Qh5 Ng6 19.Qh7 Qd3 20.Ne2–/+) 17.Be7 Ke7–+; B) 15.Rb1+=) 14...de5–+ 15.Rb1 Qc7 16.Nf3 Bf5 17.Bd3? (17.Rb2–+) 17...e4 18.Be4 (18.Bc2 ef3 19.Qf3 Bc2 20.Nc2 0–0–+) 18...Be4 19.0–0 (19.Rb3–+) 19...Bf3 20.Qf3 Qh2 0–1. MARYMARY – Eries, ChessWorld.net, 2011.

3.e4 e5 4.d4 Bb4 5.Bc3 Bc3 6.Nc3 d6 7.Bc4 Nc6 8.Bg8 Rg8 9.Nf3 Bg4 10.Qd3 Qd7 11.Nh4 Nd4 12.f3 Be6 13.0–0 Qc6 14.Rfc1 Ne2 15.Ne2 0–0–0 16.f4 Qc5 17.Kh1 Bc4 18.Qf3 Be6 19.f5 Bc4 20.Ng3 d5 21.ed5 Bd5 22.Qf1 Bc4 23.Qf3 Bd5 24.Qe2 Qc6 25.c4 Bf7 26.Qf3 Rd4 27.Qc6 bc6 28.Nf3 Rc4 29.Rd1 g5 30.Nd2 Rf4 31.Nge4 Rf5 32.a3 g4 33.Rf1 Rf1 34.Rf1 Bg6 35.Nc5 Rd8 36.Ndb3 Rd6 37.Na6 h5 38.g3 Bd3 39.Rc1 Ba6 40.Nc5 Be2 41.Ne4 Bf3 0–1. 488 – Jimbo628859, ChessWorld.net, 2012.

3.e4 e5 4.Qh5 g6 5.Qd1 Bb4 6.Nf3 Nc6 7.Bc4 Nge7 8.0–0 d5 9.ed5 Nd5 10.d4 Nb6 11.Bb3 e4 12.Nfd2 Qe7 13.c3 Bd6 14.Ne4 Bf5 15.Nd6 Qd6 16.Re1 Ne7?? (16...Kd8!?+/–) 17.Nd2 (better is 17.Ba3 Qf4 18.Be7+–) 17...0–0–0 18.Ne4 (better is 18.g4+–) 18...Be4+/– 19.Re4 f5 20.Re5 Nc6 21.Rc5 (better is 21.Re6!? Qf4 22.Bc1+/–) 21...Qc5= 22.dc5 Rd1 23.Rd1 Nd7 24.Be6 Rd8 25.c4 Ncb8 26.Bf6 Rf8 27.Bg7 Re8 28.Bd5 c6 29.Bf3 Re7 30.Bc3 Ne5 31.Be2 Nbd7 32.Bf1 Nf6?? (better is 32...Nf7+=) 33.Re1+/– Nfd7 34.f4 Nf3 35.gf3 Re1 36.Be1 Nc5 37.h4 Kc7 38.h5! 1–0. 3mjack (1780) – bacok, kurnik, 2012.

3.e4 g6 4.Nf3 Bg7 5.d4 c6 6.Bd3 e6 7.0–0 d5 8.ed5 cd5 9.Re1 Kf7 10.Qe2 Ne7 11.Nc3 Nbc6 12.Na4 (better is 12.a3!?+=) 12...Nb4+= 13.Nc5 Qd6 14.Ba3 Nd3 15.Ne6?? (better is 15.Qd3 Qc6 16.Qb3+=) 15...Qa3–+ (15...Qe6 16.Qd3 Qc6 A) worse is 17.Be7 Bf5 18.Qa3 Rhe8+= (worse is 18...Bc2 19.Rac1+=; 18...Qc2 19.Rac1 Qd3 20.Qd6+–); B) 17.Re7 Kg8 18.Qb3+=) 16.cd3 Re8 17.Rac1? Bd7 18.Rc7? Be6 19.Qe6 Kf8 20.Qb6 Nf5 21.Re8 Re8 22.g4 Nh6 23.Qb7 Re7?? 24.Re7?? Qe7–+ 25.Qa6 Ng4?? 26.Qa8?? Kf7 27.Qd5 Qe6 28.Qb7 Kg8 29.a4 Bf8 30.a5?? Qd6 31.a6+– Qa3 32.a7 Qa1?? 33.Kg2+– Bd6 34.a8Q Qa8 35.Qa8 Kf7 36.Qb7 Be7 37.d5 Ne5 38.d6 Nf3 39.Qe7 Kg8 40.Kf3 f5 41.d7 f4 42.d8Q# 1–0. steinschieber – kosovari001 (1695), kurnik, 2011.

3.Nf3 d6 4.a3 e5 5.d3 b5 6.Nbd2 a5 7.c3 ab4 8.cb4 Nc6 9.g3 Nd4 10.Nd4 ed4 11.Bd4 Qe7 12.Bg2 g5?? (better is 12...Ra4+/–) 13.Ba8+– c5 14.Bc6 Kf7 15.bc5 Bd7 16.Bd7 Qd7 17.cd6 Qd6 18.Be3 Ne7 19.0–0 Nf5 20.Ne4 Qd5 21.Bd2 Bg7 22.Qc1 Ne7 23.Bb4 Rc8 24.Qd2 h6 25.Rfc1 Rc1 26.Rc1 f5 27.Nc5 Qd4 28.e3 Qd5 29.e4 fe4 30.Ne4 Nf5 31.Rc5 Qd4 32.Bc3 Nd6 33.Bd4 Ne4 34.Rc7 Ke6 35.de4 Bd4 36.Qd4 (36.Qd4 g4 37.Qd5 Kf6 38.Qf5#) 1–0. linakip – maligura, kurnik, 2012.

3.Nf3 e5 4.a3 c5 5.c3 cb4 6.cb4 d6 7.d3 Bg4 8.g3 Bf3 9.ef3 Be7 10.Bg2 Nc6 11.0–0 Nh6 12.Re1 Nd4? (better is 12...Rc8!?=) 13.Bd4+/– ed4 14.Qb3 Qc7 15.Nd2 b5 16.Rac1 Qb6 17.Ne4 Nf5?? (better is 17...Nf7+–) 18.Qe6 Rd8 19.Bh3 a5 20.Bf5 ab4 21.ab4 Rf8 22.Bh7 Rf7 23.Bg6 d5 24.Qf7 Kd7 25.Nc5 Kc6 26.Qe7 (26.Qe7 Qc7 27.Re6 Rd6 28.Rd6 Qd6 29.Qb7#) 1–0. linakip – zibihecz, kurnik, 2011.

3.Nf3 e5 4.a3 d5 5.d3 Bd6 6.Nbd2 Ne7 7.g3 c6 8.Bg2 0–0 9.0–0 Ng6 10.e3 Bg4 11.c4 e4 (better is 11...b6=) 12.de4+/– de4 13.Ne4 Bc7 14.h3 Bf3 15.Bf3 Qe7 16.c5 Nd7 17.Nd6 Rab8 18.Qb3 Kh8 19.Rad1 Nde5 20.Be5 Ne5 21.Bg2 h5 22.f4 Nf7 23.e4 (better is 23.Nf5 Qe8 24.a4+–) 23...Nd6 24.cd6 Bd6 25.Rfe1 Bc7 26.Qc4 h4 27.g4 (27.gh4 g5 Double attack (27...Bf4 Deflection; 27...g5 Decoy)) 27...Bf4–/+ 28.Rd3 Rfd8 29.Red1 Rd3 30.Qd3 Bg3 31.Qd7 Qe5 32.Qd4 Qf4 33.Qd2 Qe5 34.Qd4 Qe6 35.Qd2 Qb3 36.Qd3 Qb2 37.Rd2 Qa1 38.Rd1 Qb2 39.Rd2 Qc1 40.Rd1 Qb2 ˝–˝. sagonek – mosioan (1635), kurnik, 2011.

3.g3 d6 4.Bg2= c6 5.Nf3 Nd7 6.d3 e5 7.Nbd2 (7...d5 8.a3=; 7.0–0 d5 8.a3 a5=). coloplayah (2155) – viling (1615), net–chess.com, 2006.

3.g3 e5 4.a3 d5 5.Bg2 c6 6.e3 Bd6 7.d3 Nh6 8.Qd2 0–0 9.Nc3 d4 10.ed4 ed4 11.Nce2 Be5 12.Nf3 Bg4 13.Ne5 Be2 (13...fe5 14.c3+=) 14.Qe2 fe5 15.Qe5?? (better is 15.0–0 Qd6 16.f4+=) 15...Re8–+ 16.Bd4 Ng4 17.Qe8 Qe8 18.Be4 Nd7 19.0–0 Qh5 20.h4 Ndf6 21.Bf6 Nf6 22.Bg2 Qg4 23.Rae1 Rf8 24.Re7 Nh5 25.c4 Ng3?? 26.fg3–/+ Rf1 27.Kf1 Qg3 28.Rb7 Qd3 29.Kg1? Qa3 30.Bc6 h6?? 31.Bd5+= Kf8 32.Rf7 Ke8 33.Rg7?? Qa1–+ 34.Kh2 Qg7 35.Kh3 h5 36.b5 ab5 37.cb5 Qd7 (37...Qd7 38.Kg3 Qd6 39.Kf3 Qd5 40.Ke3 Qb5–+) 0–1. rryy44 – meirelles1975, kurnik, 2012.

3.g3 g6 4.Bg2 c6 5.Nf3 Qb6 6.a3 d5 7.0–0 h5 8.d3 g5 9.Ng5 fg5?? (better is 9...h4+=) 10.Bh8+– Be6 11.c3 Nd7 12.e3 0–0–0 13.Qh5 Bh6 14.Bd4 Qc7 15.Nd2 Rf8 16.c4 Ndf6 17.Bf6 ef6 18.cd5 Bd5 19.Bd5 cd5 20.Rac1 Qc1 21.Rc1 Kd7 22.Qh3 f5 23.e4 g4 24.Qh5 Bd2 25.Qh7 Ne7 26.Rc2 Bg5 27.ef5 Rf5 28.Re2 Rf3 29.h4 Bf6 30.Re3 Rf5 31.Re7! Be7 32.Qf5 Kd8 33.Qd5 Ke8 34.Qg8 Kd7 35.Qg4 Kc6 36.Qe4 Kd7 37.Qb7 Ke8 38.Qa6 Kf7 39.Qc4 Ke8 40.a4 Bb4 41.Qb4 Kd7 42.a5 Kc6 43.a6 Kd5 44.a7 Ke5 45.a8R Kf5 46.Ra5 Kf6 47.Qb6 Ke7 48.Ra7 Ke8 49.Qb8# 1–0. rryy44 – wdgraf, kurnik, 2011.

2.Bb2 Nf6

(--> 1.b4 Nf6 2.Bb2 a6).

3.c4 e5 4.Be5 Bb4 (--> 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 4.c4 a6).

3.e3 b5 (--> 1.b4 Nf6 2.Bb2 b5 3.e3 a6).

3.e3 e6 4.a3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6).

3.e3 e6 4.a3 d5 5.Nf3 Nbd7 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 Nbd7 5.e3 a6).

3.Nf3 g6 4.e3 Bg7 5.Be2 0–0 6.0–0 d5 (--> 1.b4 Nf6 2.Bb2 g6 3.Nf3 Bg7 4.e3 d5 5.Be2 0–0 6.0–0 a6).

2.Bb2 h5

3.c4 Rh6 4.d4 g5 (4...d5 5.e3=) 5.e3 f5 (5...e5 6.a3+=) 6.Nf3 e6 7.Be2 (7.a3!?+=) 7...Bb4= 8.Bc3 Be7 9.Ne5 g4 10.h3 d6 11.hg4 (better is 11.Nd3!?+=) 11...de5–/+ 12.gf5 ef5 13.Bh5 Kd7 (better is 13...Kf8!?–/+) 14.de5+= Ke6 15.Qd8 Bd8 16.Bf7?? (better is 16.e4+=) 16...Kf7–+ 17.Rh6 Nh6 18.f4 Be6 19.Nd2 Be7 20.Ke2 Ng4 21.Rb1 b6 22.a4 Nd7 23.Kd3 Rc8 24.a5 Bc5 25.ab6 cb6 26.Bd4 Nf2 27.Ke2 Bd4 28.ed4 Ng4 29.d5 Bd5! 30.cd5 Rc3 31.e6+= Ke7 32.ed7 Kd7 33.Rb6+= Re3 34.Kd1 Ra3 35.Nc4 Ne3 36.Ne3+/– Re3 37.Ra6 Rd3 38.Ke2 Rd5 39.Ke3 Rb5 40.Kd4 Rb2 41.Ke5+– Rg2 42.Kf5 Rf2 43.Ra7 Ke8 44.Ke5 Re2 45.Kf6 Rf2 46.f5 Rg2 47.Ra5 Rg8?? 48.Ra8 Kd7 49.Rg8 Kc6 50.Kg7 Kd5 51.f6 Ke5 52.f7 Ke4 53.f8Q Ke5 54.Qf7 Kd4 55.Re8 Kd3 56.Qd7 Kc4 57.Rc8 Kb4 58.Qb7 Ka3 59.Ra8# 1–0. ludice (1715) – madmusikus, kurnik, 2011.

3.e4 h4 4.Bc4 Rh6 5.Qf3 f6?? 6.Bg8+– (6...e6 7.Nh3+–) 1–0. Wall,Bill – Darry, Internet, 2005.

3.h3 d6 4.c4 Nf6 5.a4 c5 6.b5 a5 7.e3 Nbd7 8.Nc3 Ne5 9.Nf3 Qd7 10.Ne5 de5 11.Be2 Ng8? (better is 11...b6!?+=) 12.Bh5 g6 13.Bg4?? (13.Bf3 Nf6+–) 13...Qd6?? (better is 13...Qg4! 14.Qg4 Bg4+=) 14.Bc8 Rc8 15.Qf3 Rb8?? (15...Rd8 16.Rd1 Rd7 17.d3+/–) 16.Qd5 (better is 16.Ne4 Qe6 17.Nc5 Qc4 18.Be5 Qc5 19.Bh8+–) 16...e6 (16...Nf6!? 17.Qd6 ed6+/–) 17.Qd6+– Bd6 18.Ne4 Bc7? (18...Ke7 19.f4! f6 20.fe5 fe5 21.Ra3+–) 19.Nc5 (19.b6 Bd8 20.Be5 Rh4 21.Bb8 Re4+–) 19...Ke7 20.Nd3 f6 21.0–0 Nh6 22.f4 Nf5? 23.fe5 fe5 24.Ne5 Rhg8 25.Rf3 g5 26.c5 g4 27.hg4 Be5 28.Be5 Rg4 29.Bb8 Nh4 30.Bd6 Kd7 31.Rf7 Ke8 32.Rf8 Kd7 33.Rf2 Nf5 34.Rf5! ef5 35.Rf1 Ke6 36.g3 Ra4 37.Rf4 Ra3 38.Kf2 Ra2 39.Ke2 a4 40.Rd4 a3 41.c6 bc6 42.bc6 Rc2 43.Ba3 Rc6 44.Rd6! Rd6 45.Bd6 Kd6 46.Kf3 Ke5 47.d3 Kd5 48.Kf4 Ke6 49.e4 fe4 50.Ke4 Kf6 51.d4 Kg5 52.Ke5 Kg4 53.Ke6 Kg3 54.Ke7 Kf4 55.d5 Ke5 56.d6 Kd5 57.d7 Kc6 58.d8Q Kc5 59.Ke6 Kc4 60.Ke5 Kc3 61.Qd4 Kc2 62.Kd5 Kc1 63.Qd3 Kb2 64.Qc4 Ka3 65.Qc5 Ka4 66.Qb6 Ka3 67.Kc4 Ka2 68.Kc3 Ka3 69.Qb3# 1–0. aleksandras19 – mmm999, kurnik, 2011.

2.Bb2 h6

3.a3 e6 4.e3 Nc6 5.Nf3 Nf6 6.c4 Ne4 7.b5 Na5 8.d3 Nf6 9.a4 c6 10.Nc3 Bb4 11.Be2 cb5 12.cb5 Qc7 13.Qc2 Ng4 14.0–0 Bc3 15.Qc3 Qc3 16.Bc3 Nb3 17.Rab1 Nc5 18.Bg7 Rg8 19.Bd4 Na4 20.h3 h5 21.b6 d6 22.hg4 hg4 23.Nh4 Nc5 24.Bc5 dc5 25.g3 Bd7 26.Rfc1 Rc8 27.Ng2 Bb5 28.Nf4 Rc6 29.d4 Be2 30.Ne2 cd4 31.Rc6 bc6 32.Nd4 c5 33.b7 cd4 34.b8Q Ke7 35.Qg8 d3 36.Qg4 d2 37.Qd4 a5 38.Qd2 a4 39.Rb7 Ke8 40.Qa5 a3 41.Qa8# 1–0. mihai740609 – andyh, kurnik, 2012.

3.a3 Nf6 4.e3 Nc6 5.d4 d5 6.Nf3 e6 (6...Bf5 7.Ne5=) 7.c4 Bd7 8.Nc3 Be7 9.cd5 Nd5 10.Nd5 ed5 11.Bd3 Bg4 12.Be2 (12.0–0 0–0=) 12...Qd7 13.0–0 g5 (13...0–0 14.Rc1=) 14.Ne5 Ne5 15.de5 Be6 16.Bh5 (16.Bd3 0–0–0+=) 16...0–0–0 17.Bd4 Rhg8 Black prepares g4 18.h3 (better is 18.Be2!?+=) 18...g4+= 19.hg4 Bg4 20.Bg4 Rg4 21.g3 h5–/+ 22.Kg2 h4 23.Rh1 hg3 24.fg3 Rdg8–+ 25.Rh3 Bg5 26.Qf3? Qe6 27.Rc1? c6 28.Rf1 Rf8?? 29.Bc5+= Rg8 30.Qf7+/– Qf7 31.Rf7 Be3?? 32.Be3+– Re4 33.Bf4 Re2 34.Kf3 Ra2 35.Rhh7 Ra3 36.Kg2 Ra2 37.Kh3 Kd8 38.Rb7 Ra4 39.Rb8 1–0. Fournier,Frederic – quirantov(C), Active, 2008.

3.a4 d5 4.e3 Bd7 5.c4 dc4 6.Bc4 e6 7.b5 c6 8.Nc3 cb5 9.ab5 Bb4 10.Qg4 g6? (10...Nf6 11.Qg7 Rg8 12.Qh6 Rg2 13.Qh3+/–) 11.Nge2 (11.Qe4 Qc8 12.Nd5 f5+–) 11...e5? (better is 11...Be7+/–) 12.Qf3 Bc6?? (12...Bf5 13.Qb7 Nd7 14.ba6 Rb8 15.Qb8 Nb8+–) 13.Qf7# 1–0. ariank – istvan63, kurnik, 2012.

3.a4 e6 4.c4 Bb4 5.Bg7 Rh7 6.Bb2 Qg5 7.e3 Ne7 8.Nf3 Qg6 9.Nh4 Qg5 10.g3 Nf5 (10...d6 11.Bd3 f5 12.f4=) 11.Nf5 Qf5 12.Bg2 Qc5 13.0–0 Qc4 14.Nc3 Bc3 15.Bc3 Nc6 16.Rc1 d5?? (16...Qd3 17.f4=) 17.d3?? (better is 17.Bf6 Qd3 18.Rc6+–) 17...Qc5= 18.Bd2 Qd6 19.e4 d4 20.Bf4 e5–/+ 21.Bd2 Bd7 22.Rb1 0–0–0 23.Qb3 b6 24.f4 f6 25.a5 b5 26.Bb4 Nb4–/+ 27.Qb4 Qb4 28.Rb4 c6 29.fe5 fe5 30.h4 Bg4 31.Rf6 Kc7 32.Kh2 Be2 33.Rb3 Bd1 34.Rb2 Bg4 35.Rc2?? Attacks the backward pawn on c6 35...Bd7 36.Bh3+= h5?? 37.Bd7+– Rdd7 38.Rfc6 Kb7 39.Rb6 Ka7 40.Rcc6 Rb7 41.Ra6 Kb8 42.Re6 b4 43.Re5 Rhc7 44.Rb6 Rb6 45.ab6 Rc2 46.Kg1?? b3+= 47.Rb5? b2–+ 48.e5 Rc1 49.Kf2 b1Q 50.Rb1 Rb1 51.Kf3 Re1 52.Kf4 Re3 53.Kg5 Rd3 54.Kh5 Rg3 55.e6 Re3 56.Kg5 Re6 57.h5 Rb6 58.h6 Rh6! 59.Kh6 d3 0–1. ariank – boriswww, kurnik, 2012.

3.a4 Nf6 4.b5 a5 5.c4 b6 6.Nf3 Bb7 7.e3 d5 8.cd5 Qd5 9.Nc3 Qe6 10.Be2 Qg4 11.0–0 Ne4 12.Ne4 Qe4 13.d4 Nd7 14.Bd3 Qg4 15.h3 Qe6 16.Rc1 0–0–0?? (16...Rc8 17.Re1+/–) 17.Bc4 (better is 17.Qc2 Qd6 18.Ba3+–) 17...Qd6 (17...Qf5!?+–) 18.Bf7 e6 19.Qc2 Be7 20.Ne5 Ne5 21.de5 Qc5 22.Be6 Kb8 23.Qc5 Bc5 24.Rfd1 Rdf8 25.Rd7 g5? 26.Bd4 g4? 27.Bc5 bc5 28.Bg4 h5 29.Bf3 Rhg8 30.Bb7 Kb7 31.Rc5 Rc8 32.b6! Kb6 33.Rb5 Kc6 34.Rh7 Rg5 35.Ra5 Kb6 36.Rb5 Ka6 37.f4 Rf5 38.Rh6 c6 39.Rc5 Kb6 40.Rc3 Rc7 41.a5! Kb5 42.a6! Ka6 43.Rcc6 Rc6 44.Rc6 Ka5 45.Rf6 Rf6 46.ef6 (46.ef6 Kb5 47.f7+–) 1–0. olawoj – ryszardls1950, kurnik, 2012.

3.Nc3 c6 4.e4 e6 5.a3 g5 6.Nce2 Nf6 7.e5 Ng8 8.Nf3 Bg7 9.Ng3 h5 10.d4 h4 (better is 10...d5!?+/–) 11.Ne4+– f6 12.Nd6 Kf8 13.c4 f5 14.Ng5! Qg5 15.Nc8 Qd8 16.Nd6 b6 17.c5 b5 18.Be2 Ne7 19.Bh5 Qc7 20.Qf3 a5 21.Qf4?? (21.0–0!? ab4 22.ab4 Ra1 23.Ra1 Bh6+–) 21...ab4?? (better is 21...Rh5 22.Qf3 Rh6+=) 22.Qh4 ba3 23.Ra3?? Ra3–/+ 24.Ba3 Qa5 25.Kf1 Qa3 26.g3 Qd3 27.Kg2 f4?? 28.Qf4+– Nf5 29.Nf5 Qf5+= 30.Bg4 Qf4–/+ 31.gf4 Bh6 32.Kg3 Ke7 33.Ra1? Kd8?? 34.Ra7? Rf8–+ 35.f3? Bf4 36.Kg2 Be3 37.h4 0–1. jackw171 – fm05, kurnik, 2011.

3.c4 b6 4.Nf3 Bb7 5.e3 Nf6 6.Be2 (6.a3 a5=) 6...g6 (6...e6 7.a3=) 7.0–0 Bg7 8.d4 0–0 9.Nbd2 e6 10.Qc2 d6 11.a4 Nbd7 12.Rac1 (12.e4 c5+=) 12...Rc8 (12...c5!?=) 13.c5+= bc5 14.bc5 (14.dc5 Nb8+=) 14...Bf3 (14...Rb8 15.cd6 cd6 16.Ba3+=) 15.Bf3 (15.Nf3 dc5 16.dc5+/–) 15...Qe7 (15...dc5 16.dc5 Rb8 17.Rfd1+/–) 16.c6 (16.cd6!? cd6 17.Qc8 Rc8 18.Rc8 Kh7 19.Ba3+–) 16...Nb6+/– 17.a5 Nbd5 18.Qc4 (18.Ba3 Rb8+/–) 18...Rb8+= 19.Ba3 Ra8 (19...Rb5 20.Qa4 Ra8 21.e4+=) 20.e4 (20.Rb1 Kh7+/–) 20...Nf4 21.e5 Ne8 22.g3 Nh5 23.Bh5 gh5 24.Ne4 Kh8 25.ed6 cd6 26.d5 f5 27.Nd2 e5 28.Rb1 Nc7 29.Rb7 e4 30.Bb2 Bb2+/– 31.Rb2 e3? 32.Qc3 Kh7 33.fe3 Nd5+/– 34.Qd3 Qe3 35.Qe3 Ne3 36.Re1 Nd5 37.Rb7+– Kg6 38.Re6 Rf6 39.Rf6 Kf6 40.Nc4 Ke6? 41.Nb6 Rd8 42.Ra7 h4 43.Ra6 hg3= 44.hg3 Nc7? 45.Ra7+– Nd5 46.Rh7 Ke5 47.Rh6 f4?? 48.Rh5 Ke4 49.Rd5 fg3 50.c7 Rf8 51.Rg5 d5 52.c8R Rc8 53.Nc8 d4 54.Rg3 d3 55.Rd3! Kd3 56.a6 1–0. orangutanb4 (2060) – benulf (1730), kurnik, 2011.

3.c4 Nc6 4.b5 ab5 5.cb5 Na5 6.a4 Nf6 7.e3 g6 8.Nf3 Bg7 9.Be2 d6 10.0–0 g5 11.h3 b6 12.d4 Bb7 13.Nc3 g4 14.hg4 Ng4 15.Nh4 h5 16.Nf5 Bf6 17.Bg4 hg4 18.Qg4 Qd7 19.Ng7 Bg7 20.Qg7 Rf8 21.d5 0–0–0 22.e4 Rg8 23.Qd4 Qg4 24.g3 Qh3 25.Qe3 Rh8 26.f4 Qh2# 0–1. riditko – gumis1966, kurnik, 2012.

3.c4 d6 4.e3 e6 5.a4 Bd7 6.Nf3 Nc6 7.b5 ab5 8.cb5 Na5 9.Be2 Nf6 10.0–0 Be7 11.d4 0–0 12.Nbd2 b6 13.e4 d5 14.e5 Nh7 15.Qc2 Bb4 16.Rfc1 Ra7 17.Bd3 Ng5 18.Ng5 Qg5 19.Nf3 Qf4 20.Ne1 f6 21.g3 Qg4 22.Be2 Qh3 23.Nf3 fe5 24.Ne5 Be8 25.Bg4 Rf2 26.Qf2 Nb3 27.Bh3 Nc1 28.Bc1 Bh5 29.Be6 Kh8 30.Qf8 Kh7 31.Bg8 Kh8 32.Bf7 Kh7 33.Qg8 1–0. rom49szachy – sb17kl, kurnik, 2012.

3.c4 e6 4.a4 Nf6 5.b5 a5 6.e3 b6 7.Nf3 d5 8.Be2 dc4 9.Bc4 Nbd7 10.Nd4 Ne5 11.Qb3 Nc4 12.Qc4 Bd6 13.0–0 Bb7 14.Nc6 Qd7 15.Bf6 gf6 16.Qg4 f5 17.Qg7 Rf8 18.Qh6 Bc6 19.bc6 Qc6 20.Nc3 0–0–0 21.Qh4 Rh8 22.Qf6 Bh2 23.Kh1 Be5 24.Kg1 Bf6 0–1. avinoam – swidwin3m19, kurnik, 2012.

3.e3 b5 4.c4 Rh7? 5.cb5+– ab5 6.Bb5 Ba6 7.Ba6 Ra6 (7...Na6 8.Qc2 g6 9.a3+–) 8.Nf3 g5 (8...Rb6 9.a3+–) 9.0–0 Nf6 10.d4 (10.b5!? Rb6 11.Qc2 Rg7+–) 10...d6 11.Nc3 e5? (11...c6+–) 12.b5 Ra7 (12...Ra5 13.de5 de5 14.Qc2+–) 13.de5 Nfd7 (13...de5 14.Qc2 Nbd7 15.Rfd1+–) 14.ed6 cd6 (14...Bd6 15.Qc2 Rg7 16.Rfd1+–) 15.Nd5 1–0. Wall,Bill – Neko Toni, internet, 2004.

3.e3 Nc6 4.a3 =.

3.e3 d5 (--> 1.b4 d5 2.Bb2 a6 3.e3 h6).

3.e3 d6 4.c4 e5 5.Nf3 Bg4 6.Be2 Bf3 7.Bf3 (worse is 7.gf3 Nf6=) 7...c6 8.0–0 Nf6 9.d3 Be7 10.Nd2 0–0 11.a4 Nfd7 12.b5 ab5 13.cb5 Qc8 14.Rc1 Nc5 15.bc6 bc6 16.Ra1 Nd3 17.Qc2 (better is 17.Ba3!? Nc5 18.Bc5 dc5 19.Qc2=) 17...Nb2–/+ 18.Qb2 Bf6 19.e4 Be7 20.Qc3 Na6 21.Nc4 Qc7 22.Rfb1 Rfb8 23.Be2? (23.a5!?+=) 23...Nc5 24.Qc2 Rb1 25.Qb1 Rb8 26.Qc2 g6 27.a5 Na6 28.Nb6= Rb6?? 29.ab6+– Qb6 30.Ra6 Qc7 31.Rc6 Qd7 32.Bb5 Qd8 33.Rc8 Qc8 34.Qc8 Kg7 35.f3 Bf8 36.Qc4 Be7 37.Be8 h5 38.Qf7 Kh6 39.Qg6# 1–0. ourang – titusz, kurnik, 2012.

3.e3 d6 4.Be2 e5 5.Nf3 Nf6 6.d3 Be6 7.Nbd2 Nc6 8.a3 a5 (8...g5 9.0–0=) 9.ba5 (9.b5 Na7+=) 9...Ra5 10.0–0 Bd5 (10...Be7!?=) 11.c4+= Bf3 12.Bf3 (12.gf3?! g6=) 12...g5 (12...Be7!?+/–) 13.Bc6 bc6 14.d4 ed4 15.Bd4 Bg7 16.Bf6 (16.Qf3 d5+/–) 16...Bf6 17.Rb1 (17.Ra2 Qa8+=) 17...0–0 18.Ne4 (18.Qf3!?+=) 18...Ra3+= 19.Nf6 Qf6 20.Qd4 (20.Rb7!?+=) 20...Qd4–/+ 21.ed4 Rc3 22.Rfc1 Rd3 23.g3 White prepares the advance c5 (23.Rd1!? Rd1 24.Rd1–/+) 23...Rd4–+ 24.c5 d5 25.Rd1 Rc4 26.Rbc1 Rb4 27.Rd4?? Rb5 28.Rg4 Kg7 29.h4 f6 30.hg5 fg5 31.f4 Kf6 32.fg5 hg5 33.Rf1 Kg7 34.Rg5 Kh6 35.Rf8 Kg5 36.Rg8 Kf5 37.Rg7 Rc5 38.Rc7 d4 39.Kf1 d3 40.Rd7 Rd5?? 41.Rd5= cd5 42.Ke1 Ke4 43.Kd2 d4 44.g4 Kf4 45.Kd3 Kg4 46.Kd4 ˝–˝. blaugrana18 – mc1marcin, kurnik, 2012.

3.e3 f6?? 4.d4 (4.Qh5 g6 5.Qg6#) 4...e6+/– 5.a3 d5 6.Bd3 b5 7.Qh5 Ke7 8.c3 Kd6 9.a4 c6 10.ab5 Qb6? (10...Ne7 11.bc6 Nbc6 12.Nf3+–) 11.ba6 Na6 12.Ba3 Nc7 13.b5 Kd7 (13...Ra3 14.Na3 cb5 15.Nb5 Nb5 16.Qe8+–) 14.Qf7 (better is 14.Bf8 Ra1 15.Qf7 Kd8 16.Bg7 Qa5 17.Bh8 Qc3 18.Ke2 Ra2 19.Kf3 Qd3 20.Qg8 Ke7 21.Bf6 Kf6 22.Qf8 Kg6+–) 14...Ne7 15.bc6 (better is 15.Be7!? Be7 16.Ra8 Na8 17.Qg7 Re8+–) 15...Qc6 16.Ne2 Bb7? (16...Ba6!? 17.Ba6 Ra6+/–) 17.0–0 Kc8 18.Nd2 Qe8 19.Qe8 Ne8 20.Be7 (20.Nf4!? Nc7 21.Bd6 g5 22.Ra8 Ba8 23.Bc7 gf4 24.Bf4 Bg7+–) 20...Ra1 21.Ra1 Be7 22.Nf4 Nc7 23.c4 e5 24.de5 fe5 25.Ng6 dc4? 26.Bc4 Re8 27.Ne5?? Bf6+/– 28.f4 Bd5 29.Bd5+– Nd5?? 30.Ra8 Kb7 31.Re8 Nc7 32.Rf8 1–0. swislina – kastro, kurnik, 2012.

3.e4 d5 4.ed5 Qd5 5.Nc3 Qe6 6.Nce2 (6.Nge2 Nf6=) 6...Qc4 (6...Bd7 7.d4=) 7.a3+= Bg4 8.f3 Bd7 9.Ng3 (9.Be5 Nf6=) 9...Qe6 10.N1e2 (10.Qe2 Qe2 11.Be2 Nc6+=) 10...Ba4 (10...Nf6 11.Kf2=) 11.Ne4 Nc6?? (Better is 11...Nd7+=) 12.Nc5+– (12...Qg6 13.Na4+–) 1–0. Wall,Bill – Tasau, Internet, 2003.

3.e4 Nf6 4.e5 Nd5 5.a3 =.

3.Nf3 b5 4.e3 Bb7 5.Be2 c6 6.0–0 Nf6 7.c4 e6 8.c5 Be7 9.a3 0–0 10.d3 d6 11.cd6 Bd6 12.Nbd2 c5 13.bc5 Bc5 14.Nb3 Bb6 15.Rc1 Nc6 16.Nfd4 Nd4 17.Nd4 Rc8 18.Bf3 Bf3 19.Nf3 Rc1 20.Qc1 Qd3 21.Bf6 gf6 22.Qc6 Qd8 23.g3 Qc7 24.Qe4 Qc4 25.Qb7 Qc5 26.Qa6 Rd8 27.a4 b4 28.Rb1 Rd7 29.Qa8 Kg7 30.Qe4 Ba5 31.Qg4 Kh7 32.Qh4 Qf5 33.Nd4 Qb1 34.Kg2 Rd4 35.ed4 Qf5 36.h3 b3 37.d5 b2 38.de6 fe6 39.Qc4 b1Q 40.Qa6 Qbe4 41.Kh2 Be1 42.Qa7 Kg6 43.g4 Qf2 44.Qf2 Bf2 45.h4 Qf4 46.Kg2 Qg3 47.Kf1 Bd4 48.h5 Kg5 49.Ke2 Qe3 50.Kd1 Bc3 51.Kc2 Qd2 52.Kb3 Qb2 53.Kc4 Qb4 54.Kd3 Qa4 55.Kc3 Kg4 56.Kd3 Kh5 57.Ke3 ˝–˝. bananinha – paramos, kurnik, 2012.

3.Nf3 Nf6 4.g3 e6 5.a3 c5 6.c3 d6 7.Bg2 Nc6 8.0–0 Bd7 9.d3 Qc7 10.Nbd2 0–0–0 11.Nb3 Kb8 12.Nbd2 Na7 13.c4 Be7 14.Bc3 g5 15.a4 (15.bc5 Qc5 16.Bf6 Bf6 17.Ne4+–) 15...cb4 16.Bb4 Rc8 17.Qb3 Rhg8 18.Nd4 h5?? (18...Nc6 19.Bc3+/–) 19.Qa3 (better is 19.Ba5! Nc6 20.Bc7 Rc7 21.Bc6 Bc6 22.Nc6 Rc6 23.Rab1+–) 19...h4+= 20.Rab1 Ka8? (20...Nc6 21.Bc3+=) 21.Ne4?? (better is 21.Bb7 Qb7 22.Ba5+–) 21...Ne4+= 22.de4 e5 23.Nf5 Bf8 24.c5?? dc5–/+ 25.Bd2 hg3 26.hg3 Qc6 27.Qd3 Qe6 28.Ba5 Bc6 29.Bb6 Rh8 30.Ba7 Ka7 31.Qb3?? Ka8 32.Qe6 fe6 33.Ne3 Rc7 34.Nc4 Bg7 35.Nb6 Ka7 36.Nc4?? Bf6?? 37.Nd6?? Rch7 38.Rfe1? Be7 39.Nb7? Bb7 40.f4 gf4 41.gf4 Rg8 42.Kf2 Rhg7 43.Rg1 ef4 44.Kf3 e5 45.Kf2 c4 46.Bf3 Bc5 47.e3 Be3 48.Ke2 Rg1 49.Rg1 Rg1 50.a5 Rc1 51.Bg4 Rc2 52.Ke1 Ra2 53.Bf5 Rd2 54.Bg6 c3 55.Bh5 c2 56.Be2 c1Q 57.Bd1 Qd1# 0–1. linakip – swidwin3m19, kurnik, 2011.

3.Nf3 Nf6 4.g3 e6 5.a3 d5 6.Bg2 Nc6 7.d3 Na7 8.Nbd2 Bd7 9.c4 dc4 10.Nc4 c6 11.0–0 Qc7 12.Nce5 Bc8 13.Qc1 Bd6 14.Re1 Nd7 15.Nc4 Be7? (better is 15...0–0+/–) 16.Bg7+– Rg8 17.Bh6 Nb6 18.Nb6 Qb6 19.Be3 Qc7 20.Bc5 Bc5 21.Qc5 Bd7 22.e4 Nb5 23.Nd4 Nd4 24.Qd4 0–0–0 25.Qc4 Qd6 26.d4 Kb8 27.Rad1 Qe7 28.d5 Rh8 29.dc6 Bc6 30.Rc1 e5 31.a4! Ba4 32.Qc5 Qf6 33.Bh3?? (better is 33.f4+–) 33...Bd7?? (better is 33...Rh3 34.Qc7 Ka8–+) 34.Bd7 Rd7+/– 35.b5 Qh6? 36.h4 Qg6?? 37.Kf1 Rd6?? 38.ba6 Ra6 39.Qe5 Ka8 40.Ra1 Rd8 41.Ra6 ba6 42.Kg2 Qe6 43.Qe6 fe6 44.Ra1 (44.Ra1 Kb7 45.h5+–) 1–0. linakip – swidwin3m19, kurnik, 2011.

3.g3 b5 4.Bg2 c6 5.e3 Bb7 6.Ne2 d6 7.0–0 Nd7 8.Nd4 Qc8 9.Nc3 e5 10.Nf5 g6 11.Nh4 Nb6 12.f4 ef4 13.gf4 Bg7 1–0. aniabielak – macromedia, kurnik, 2012.

3.g3 e6 4.Bg2 d5 5.d3 (5.Nf3 Nf6=) 5...c5 (better is 5...Bb4 6.c3 Bd6–/+) 6.bc5+= Bc5 7.Bg7 Rh7 8.Bb2 (8.Bc3 Nf6+=) 8...Nc6 (better is 8...Qb6 9.Bc1 Bf2 10.Kf1 Nf6+=) 9.e3+/– Nf6 10.Nf3 Ng4 11.h3 Ne3? (better is 11...Qb6!? 12.Qc1 Be3 13.fe3 Qe3 14.Qe3 Ne3+–) 12.fe3+– Be3 13.Qe2 Bd4?? 14.Bd4 Nd4 15.Nd4 Rg7 16.Qf3 Qa5 17.Nd2 Bd7 18.N4b3 Qc3 19.0–0 0–0–0 20.Nb1 Qb4 21.c3 Qe7 22.N1d2 Rdg8 23.g4 h5 24.c4 hg4 25.hg4 Rg4 26.Rf2 Qh4?? 27.cd5 Rh8 28.de6 Qh2 29.Kf1+– Rg2 30.Rg2 Qh1 31.Rg1 Qf3 32.Nf3 Be6 33.Rc1 Kb8 34.Ne5 Ka7 35.Rg7 Rh1 36.Ke2 Rc1 37.Nc1 Kb6 38.Nf7 Bf7 39.Rf7 1–0. lietuvis11111 – srebrzysty25, kurnik, 2012.

3.g3 f6 4.Bg2 e5 5.a3 c6 6.e3 Ne7 7.Ne2 Nf5 8.d3 Bd6 (8...d5 9.0–0=) 9.c4 Bc7 10.Nd2 0–0 11.0–0 d5 12.cd5 cd5 13.Rc1 Nc6 Black prepares d4 14.Nb3 Qe7? (better is 14...a5!? 15.b5 Nce7+=) 15.Nc5 Qd8 16.Nc3 (better is 16.Qb3!?+–) 16...d4+= 17.ed4 (17.Nd5 Bd6+=) 17...ed4 18.N3e4 Rb8 19.Nb3 Kh8 20.Nec5 b6 21.Ne4 Nce7 22.Bh3 Ne3 23.Qe2? Bh3–/+ 24.Rfe1 Bg4 25.f3 Bh3 26.Nd4 N7f5?? 27.Ne6= Qd7 28.Nf8 Rf8+= 29.g4 Ng4?? 30.fg4+– Nd4? 31.Bd4 Qd4 32.Nf2 f5 33.Qf3 Bd6? 34.Qh3 fg4?? 35.Qg3 Bg3 36.hg3 Qf2 37.Kh1 Qg3 38.Rg1 Qh3# 0–1. diablo005 – lifi50, kurnik, 2012.

3.e3 e6

4.a3 b5 5.c4 c6 6.Nf3 a5 7.cb5 ab4 8.ab4 Ra1 9.Ba1 cb5 10.Bb5 Qb6 11.Nc3 Bb4 12.Qa4 Ba6?? (better is 12...Be7+/–) 13.Qb4+– Nc6 14.Qb1 Nge7 15.0–0 0–0 16.Bc6 Nc6 (16...Qb1 17.Rb1 Nc6+–) 17.Qb6 (17.Qb6 Bf1 18.Kf1+–) 1–0. ourang – liberocupat, kurnik, 2012.

4.a3 d5 5.Nf3 Nf6 6.Be2 Be7 7.0–0 Nbd7 8.d3 c5 9.bc5 Nc5 10.Nbd2 Bd7 11.Be5 Bc6 12.c3 0–0 13.Qc2 Ba4 14.Qb2 Bc6 15.Nd4 Na4 16.Nc6+= bc6 17.Qc2 Nb6 18.c4 Nbd7 19.Bg3 e5 20.Nf3 Bd6 21.Nd4 Qc7 22.Nf5 dc4 23.d4+/– e4?? 24.Bd6+– (24...Qa5 25.Ne7 Kh7 26.Nc6+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

4.a3 Qe7 5.h3 e5 6.g4 d6 7.Bg2 c6 8.Ne2 Be6 9.0–0 Nd7 10.d4 0–0–0 11.Nd2 g6 (better is 11...h5 12.gh5 Qg5+=) 12.c4+/– h5 13.d5 Bg4? (better is 13...hg4!? 14.de6 Qe6 15.hg4 Qg4+/–) 14.hg4 hg4 15.dc6 bc6 16.Nc3 (better is 16.Qa4!? Nb8+–) 16...Qh4 17.f3?? (17.Re1 g3 18.fg3 Qg3+–) 17...Be7?? 18.fg4?? Qh2–/+ 19.Kf2 Bh4 20.Kf3 Qg3 21.Ke4 Ndf6 22.Kd3 Qg2 23.Qf3 Qf3–/+ 24.Nf3 Ng4 25.e4 Be7 26.Rh1?? Rh1 27.Rh1 N8f6 28.Rf1 Rf8 29.Ng5 Nh2 30.Rh1?? Nhg4 31.Ne2?? Nf2–+ 32.Kd2 Nh1 33.Bc3 Ng4 34.Ke1 Bg5 35.Kf1 Nhf2 36.b5 ab5 37.cb5 cb5 38.Bb4 Kd7 39.Nc3 Rh8 40.Nb5 Rh1 41.Kg2 Re1! 42.Be1 Ne4 43.a4 Be3 44.Kf3 Bb6 45.Ke4 Nf6 46.Kd3 g5 47.a5 Bc5 48.a6 Kc8 49.Bd2 Kb8 50.Bg5 Nd5 51.Kc4 Nb6 52.Kb3 e4 53.Bh4 e3 54.Be1 f5 55.Nc3 f4 56.Ne4 Bd4 57.Kc2 Ka7 58.Kd3 Ka8 59.Kd4= Ka7 60.Nd6 Ka6 61.Ke4 Nc4?? 62.Nc4+– Kb5 63.Nd6 Kc5 64.Nf5 Kc4 65.Kf4 Kd3 66.Ne3 Kd4 67.Bf2 Kc5 68.Ke4 Kd6 69.Nc4 Ke6 70.Bd4 Kd7 71.Kd5 Ke7 72.Nb6 Kf7 73.Kd6 Kg6 74.Ke6 Kh5 75.Kf5 Kh4 76.Be5 Kh3 77.Nd5 Kg2 78.Kf4 Kf1 79.Ke3 Ke1 80.Bg3 Kd1 81.Kd3 Kc1 82.Bf4 Kb1 83.Kc3 Ka2 84.Bc1 Kb1 85.Kd2 Ka2 86.Kc2 Ka1 87.Nc3 (87.Bb2 Ka2 88.Nb4#) ˝–˝. cogit – scsantos, kurnik, 2012.

4.d3 d5 5.Nf3 Bb4 6.Nbd2 Qd6 7.a3 Ba5 8.Bg7 f6 9.Bh8 Nc6 10.Be2 e5 11.0–0 Qf8 12.h3 Qf7 13.Nh2 Qh7 14.Bh5 Kd8 15.Bf6 Nf6 16.Bg4 Bd7 17.Bd7 Nd7 18.Ndf3 Kc8 19.c4 dc4 20.dc4 Kb8 21.Qd5 Qf5 22.Rad1 Bb6 23.Qd7 Qe4 24.Qe8 Ka7 25.Qh5 Qc4 26.Ne5 Ne5 27.Qe5 Qh4 28.Qf4 Qe7 29.Ng4 h5 30.Ne5 Qg7 31.Nc4 Bc5 32.Rd5 Bf8 33.Qf5 h4 34.Qg4 Qh8 35.Qd4 Qd4 36.Rd4 Bc5 37.Rh4 Rg8 38.Rg4 Rh8 39.Rd1 b5 40.Na5 Ba3 41.Nc6 Kb7 42.Nd8 Kc8 43.Ne6 Be7 44.Rg7 Bd6 45.Nd4 b4 46.Rb1 a5 47.Nb5 Kd8 48.Nd6 cd6 49.Ra7 d5 50.Ra5 d4 51.ed4 1–0. joaquimbage – inga4a, kurnik, 2012.

4.Be2 d5 5.a3 Nf6 6.d4 c6 7.c4 dc4 8.Bc4 Bd7 9.Nd2 Bc8 10.Ngf3 Nbd7 11.0–0 Nb6 12.Bd3 Bd7 13.Rc1 Qc7 14.Nb3 0–0–0 15.Ne5 Be8 16.Qe2 Kb8 17.Nc5 Bc5 18.bc5 Nbd7 19.Rb1 Ka8 20.Bc3 Ne5 21.de5 Nd5 22.Bd4 Qd7 23.Qb2 Rb8? 24.Ba6 Qc8 25.Bd3 f5 26.Qb3 b5 27.cb6 Rb7 28.Qa4 Kb8 29.Ba6 c5 30.Bb7 Ba4 31.Bc8 Rc8 32.b7 Rc7 33.Bc3?? Nc3–/+ 34.Rbc1? Nd5?? 35.Rc4? Bb3 36.Rcc1 c4 37.f3 Ne3–+ 38.Rfe1 Nd5 39.f4?! g5 40.g3 gf4 41.gf4 Nf4 42.Re3 Nd5 43.Rh3 Nf4 44.Rh6?? Ne2–+ 45.Kf2 Nc1 46.Re6 Kb7 47.Rd6 Rc6 48.Rd8 Kc7 49.Ke3 Ra6 50.Rd5 c3 51.Rc5 Kd7 52.Rc3 (52.Rc3 Rc6 53.Rc6 Kc6 54.Kd2–+). mihai740609 – swidwin3m19, kurnik, 2011.

4.Nf3 d5 5.Be2 a5 6.a3 ab4 7.ab4 Ra1 8.Ba1 Bb4 9.Bg7 Rh7 10.Be5 f6 11.Bb2 Rg7 12.0–0 Nc6 13.c3 Ba5 14.d4 h5 15.c4 e5 16.cd5 Qd5 17.de5 Qd1 18.Rd1 Ne5 19.Be5 fe5 20.Ne5 Bf5 21.Bh5 Ke7 22.Be2 Bc2 23.Rc1 Bg6 24.Ng6 Rg6 25.Bf3 c6 26.Rc5 Bb6 27.Re5 Kf6 28.Re4 Ne7 29.h3 Nd5 30.Ra4 Ke5 31.Bd5 cd5 32.Rb4 Bc5 33.Rb7 d4 34.ed4 Bd4 35.Nd2 Rf6 36.Nf3 Ke4 37.Nd4 Kd4 38.Re7 Kd3 39.h4 Rf2 40.Kf2 Kd4 41.h5 Kd3 42.h6 Kd2 43.h7 Kd1 44.h8Q Kd2 45.Qd8 Kc3 46.Rc7 Kb4 47.Qb8 Ka5 48.Ra7 1–0. joaquimbage – az45, kurnik, 2012.

4.Qg4 Nf6 5.Qd1 (5.Qh4 g5 6.Qc4 d5=) 5...Be7 6.a4 Nc6 (better is 6...Bb4!? 7.Qf3 d5–/+) 7.b5= Na5 8.Na3 ab5 9.Nb5 c6 10.Nc3 0–0 11.Nf3 b6 12.Be2 Ba6 13.0–0 Be2 14.Qe2 Nd5 15.d4 Nc3 16.Bc3 Nb7 17.Rfb1 Nd6 18.a5 b5 (18...ba5 19.Ra4+=) 19.Be1 Ne4 20.c4 b4 21.Bb4 Bb4 22.Rb4 c5 23.Rb3 d6? (better is 23...Ra5!? 24.Rab1 Qa8=) 24.Nd2 Nc3?? (better is 24...Nd2 25.Qd2 cd4 26.ed4 Qc7+/–) 25.Rc3+– Ra5 26.Nb3 Ra8 27.Ra8 Qa8 28.dc5 dc5 29.Nc5 Qa1–+ 30.Qf1 Qc3 31.Nd7?? Ra8 32.c5 Ra1 33.Qa1 Qa1# 0–1. ariank – bacus1231, kurnik, 2011.

4.h3 Nf6 5.b5 ab5 6.Bb5 Be7 7.a4 c6 8.Bd3 b6 9.Nf3 Bb7 10.0–0 Nd5 11.Bg7 Rg8 12.Bh6 Qc7 13.e4 Nf6 14.Bg5 c5 15.Nc3 Nh5 16.Be7 Ke7 17.Nb5 Qc6 18.Ne5 Qc8 19.Qh5 Nc6 20.Qf7 Kd8 21.Qg8 Ke7 22.Qf7 Kd8 23.Nc6 Bc6 24.Nd6 Qa6 25.Ba6 Ra6 26.Qe8 Kc7 27.Qc8 Kd6 28.d4 Ra8 29.e5 Kd5 30.c4 Kc4 31.Rac1 Kd5 32.Qa8 Ba8 33.Ra1 Kd4 34.Rfd1 Ke5 35.Rd7 Bd5 36.Rd8 c4 37.Rb8 Kd4 38.Rb6 c3 39.Rb4 Kc5 40.Rf4 Bb3 41.a5 c2 42.a6 e5 43.Rh4 Kd5 44.a7 e4 45.a8Q Kd4 46.Qe4 Kc3 47.Qd4# 1–0. riditko – lhiviu, kurnik, 2012.

3.e3 Nf6

4.c4 Nc6 5.a3 e6 6.Nf3 Bd6 (6...d5 7.Nc3+=) 7.Nc3 e5 (7...b6 8.d4 0–0 9.Bd3+=) 8.Bd3 Be7 (8...b6 9.0–0+=) 9.b5+/– ab5 (9...Na5 10.Ne5 0–0 11.ba6 Ra6 12.0–0+/–) 10.cb5 Nb8 11.Ne5 d6 12.Nf3 Bg4 (12...Nbd7!?+/–) 13.h3+– Bh5? (better is 13...Bc8+–) 14.g4 Bg6 15.Bg6 fg6 16.Nh4 g5 17.Ng6 Rg8 18.Qb3 Nbd7 (18...d5 19.e4! Kf7 20.Ne5 Kf8+–) 19.Nd5 Nc5 (19...Nd5 20.Qd5 Rf8 21.Nf8 Kf8 22.Qb7 Nc5 23.Qf3 Kg8 24.Qd5 Kh8+–) 20.Nf6 Bf6 (20...gf6 21.Qg8 Kd7 22.Ne7 Qg8 23.Ng8 Rg8 24.Bf6+–) 21.Qg8 Kd7 22.Qf7 Kc8 23.Bf6 Qf6 (23...gf6 24.d4 Na4+–) 24.Qe8 Qd8 25.Ne7 1–0. Fritz 11 – anony, internet, 2014.

4.c4 e6 5.b5 a5 6.a4 b6 7.d4 d6 8.Nf3 Bb7 9.Be2 Nbd7 10.0–0 Qe7 11.Nbd2 0–0–0 12.Rc1 Kb8 13.Nb3 g5 14.Ba3 Qe8 15.c5 dc5 16.dc5 Nc5 17.Qc2 Nb3 18.Qc7 Ka8 19.Qb6 Nc1 20.Rc1 Ba3 21.Qa5 Kb8 22.Qc7 Ka8 23.Rf1 Qd7 24.Qc3 Qd6 25.Qf6 Qe7 26.Qc3 Rc8 27.Qa5 Kb8 28.b6 Qc5 29.Qa7 1–0. rom49szachy – swidwin3m19, kurnik, 2012.

3.Nf3 e6

4.g3 b5 5.Bg2 Bb7 6.0–0 Bf3 7.ef3 Nc6 8.a3 a5 9.c3 ab4 10.cb4 Bb4? (better is 10...Nf6=) 11.ab4+– Ra1 12.Ba1 Nb4 13.Bg7 Rh7 14.Bc3 Nd5 15.Bb2 b4 16.Qc2 f5 17.Re1 Qe7 18.Be5 d6 19.Bd4 Ngf6 20.f4 h5 21.h4 Ng4 22.Bd5 Kf8 23.Be6 Qd8 24.Bf5 d5 25.Bh7 Qd7 26.Qf5 Qf5+– 27.Bf5 (27.Bf5 Kf7 28.Be6 Kf8 29.Bd5+–) 1–0. linakip – infiltrator2, kurnik, 2012.

4.g3 d5 5.d3 Nf6 6.a3 Nc6 7.Bg2 Na7 8.Nbd2 c6 9.c4 Bd7 10.0–0 Qc7 11.Qb3 0–0–0 12.Rac1 dc4 13.Rc4 Qd6 14.Rcc1 Kb8?? (better is 14...Qe7+–) 15.Be5 1–0. linakip – swidwin3m19, kurnik, 2011.

4.g3 d5 5.Bg2 Nf6 6.a3 c6 7.d3 Bd7 8.Nbd2 Qe7 9.0–0 Bc8 10.Qc1 Nbd7 11.c4 dc4 12.Nc4 Nb6?? (12...c5 13.bc5 Qc5 14.Bd4+/–) 13.Na5 (better is 13.Nb6 Bd7 14.Na8+–) 13...Qc7 14.Qc2 Nfd5 15.Bd4 f6 16.e4 e5? 17.Bb2 Ne7+/– 18.Nd2 Ng6 19.Ndc4 Be7 20.Rac1 Be6 21.Nb6 Qb6 22.Nc4 Qc7 23.Na5 0–0 24.Nb3 Qd8 25.Nc5 Bc8 26.Rfd1 b6 27.Nb3 c5 28.bc5 bc5 29.Nc5 Bc5 30.Qc5 Kh8 31.a4 Bd7 32.a5 Rc8 33.Qa3 Bb5 34.Bf1 Rc1 35.Rc1 Ne7 36.Bc3 Nc6 Attacks the isolani on a5 37.Rd1 Nd4 38.Bd4 ed4 39.Rc1 Rg8 40.Qc5 Qa5 41.Be2 Qd8 42.Kf1 Qd7 43.f3 Qh3 44.Kg1 Qe6 45.Qd4 Qa2 46.Kf2 Qa3 47.Qc3 Qe7 48.d4 Kh7 49.Bb5 (49.Bb5 ab5 50.Kg2+/–) 1–0. linakip – swidwin3m19, kurnik, 2012.

4.g3 Nf6 5.a3 d5 6.d3 Nc6 7.Nbd2 Na7 8.c4 dc4 9.Nc4 Bd7 10.Bg2 Qe7 11.0–0 0–0–0 12.Nfe5 Be8 13.Na5 c6 14.Nac4 Kb8?? (14...h5+/–) 15.Bc3 (15.Ng6 fg6 16.Be5 Qd6+–) 15...h5?? (15...Nb5 16.Bd2+=) 16.a4 h4?? 17.b5 cb5 18.ab5?? Nb5= 19.Ba5 Rc8 20.Nb6 Rd8 21.Qb3 Nd5 22.Nd5+/– Rd5 23.Bd5 ed5 24.Qd5 f6 25.Nf3 h3? 26.Rfe1 Bc6 27.Qf5 g5 28.e4 Qd6? 29.Rad1 Nd4? 30.Nd4+– Qd4 31.Qf3 Bc5 32.Bd2 Rf8 33.Be3 Qd6 34.Bc5 Qc5 35.Qe3 Qd6? 36.d4 Re8 37.Qc3 Be4 38.Re3 g4 39.Rde1 f5 40.Qc5 Qd8?? 41.Rc1+/– Re7 42.Rec3 Rd7 43.Qc8?? Ka7 44.Qd8 Rd8 45.Rd1 Bf3 46.Rd2 Bd5 47.Rc5 Be4 48.d5? b6 49.Rc7 Kb8 50.Rc6 Kb7 (50...Rd5?! 51.Rd5 Bd5 52.Rb6 Ka7 53.Rf6=). linakip – swidwin3m19, kurnik, 2011.

4.g3 Nf6 5.a3 d6 6.Bg2 c5 7.c3 c4 8.d3 cd3 9.Qd3 Be7 10.0–0 0–0 11.Qc2 Nc6 12.Nbd2 Rb8 13.Nb3 b5 14.c4 bc4 15.Qc4 Bd7 16.Qa6 d5 17.Qd3 Bd6 18.Nbd4 Nd4 19.Bd4 Qc7 20.Rfc1 Qb7 21.Qc3 Rbc8 22.Qb2 Rc1 23.Rc1 Qb8 24.Rc2 Ba4 25.Rc3 e5 26.Bc5 Bc5 27.Rc5 e4 28.Nd4 Qe5 29.e3 Ng4 30.Qc1 f5 31.Ne2 Nf6 32.Qd2 Rd8 33.Nd4 Kh8 34.Bh3 Ng4 35.Qe2 Kh7 36.Bg4 fg4 37.Qg4 Kh8 38.Qf5 Qf5 39.Nf5 Bd7 40.Nd4 Bg4 41.Kg2 h5 42.h3 Bc8 43.b5 Kh7 44.a4 Kh6 45.h4 g6 46.a5 Rd6 47.a6 Rb6 48.f3 ef3 49.Kf3 Bd7 50.Kf4 Rf6 51.Ke5 Rf5 52.Kd6 Rf7 53.Rd5 (53.Rd5 Bc8 54.e4+–) 1–0. linakip – swidwin3m19, kurnik, 2011.

4.g3 Nf6 5.Bg2 Bb4 6.0–0 Be7 7.d3 d5 8.Nbd2 Nc6 9.c4 dc4 10.Nc4 Bd7 11.Qb3 Qc8 12.a4 0–0 13.Ba3 Ba3 14.Qa3 Nd5 15.Rab1 b5 16.Nce5 (16.ab5 ab5 Passed pawn) 16...Ne5 17.Ne5 Be8 18.Rfc1 b4 19.Qb2 a5 20.e4 Nc3 21.Ra1 Rb8 22.Nc4 Qa6?? (22...Na4 23.Qd2–+) 23.Bf1?? (better is 23.Rc3 f6 24.Rc2+–) 23...Ba4–+ 24.d4 Bb5?? 25.Qb3? Bc4 26.Bc4 Qa7 27.Re1? Qd4 28.Ra5 c5 29.Raa1 Ne4 30.Rf1 Nd2 31.Rad1 Nb3 32.Rd4 Nd4 33.Kg2 Rfd8 Black plans b3 34.f4 b3 35.Rb1 b2 36.Kf2 Nc6 37.Ke3 Na5 38.Bd3 c4 39.Bc2 c3 40.Re1 Rd2 41.Be4 Rh2 42.Kd4 Rc8 43.g4 f5! 44.gf5 ef5 45.Bf5 Rc7 46.Re8 Kf7 47.Ra8 c2 48.Ra5 c1Q 49.Rd5 Qd2 50.Ke4 Re7 51.Re5 Re2 52.Kf3 (52.Kf3 Rf2 53.Kg4 Qf4 54.Kh3 Rh2#). linakip – swidwin3m19, kurnik, 2011.

2.Bb2 Nh6

3.e3 Nc6 4.a3 Nf5 5.e4 Nfd4 6.c3 Ne6 7.d4 d5 8.c4 Nf4 9.cd5 Nd5 10.ed5 Qd5 11.Nc3 Qd4 12.Nd5 Qd1 13.Rd1 Kd8 14.Nb6 1–0. Bonetti,Shane – esmith, ICC, 2002.

3.e3 d5 4.Nf3 Nc6 5.a3 e5 6.Ne5 Ne5 7.Be5 Bd6 8.Bg7 Rg8 9.Bh6 Qf6 10.Nc3 Qh6 11.Nd5 Be6 12.Qh5 Qh5 13.Nf6 Ke7 14.Nh5 Rg5 15.Ng3 Rag8 16.Ne4 Be5 17.d4 Bf6 18.Ng5 Bg5 19.Bd3 b5 20.Bh7 Rg7 21.Be4 f5 22.Bb7 Kd6 23.Ba6 c6 24.a4 Bc4 25.ab5 cb5 26.Bc8 f4 27.e4 Bh6 28.Ra6 Kc7 29.Bf5 Bg5 30.Ra7 1–0. Machete99 – guest246, ICC, 2002.

3.e4 e6 4.Nf3+= Nc6 5.a3 Ng4 6.d4 Qe7 7.c4 f6 8.Nc3 Qf7 9.h3 Nh6 10.d5 Ne5 11.Nd2 Be7 12.Be2 0–0 13.0–0 c6 14.f4+/– Ng6 15.g4 Nh4 16.Qe1+– g5? 17.fg5 (17.fg5 Qg6 18.gh6 Qh6 19.c5+–) 1–0. Wall,Bill – Nicaraguan, internet, 2005.

3.g3 Nf5 4.Bg2 Nd6 5.Nf3 Nc4 6.Bc3 b5 7.d3 Nb6 8.Nd4 c6 9.0–0 Na4 10.Bd2 Bb7 11.a3 e6 12.Nc3 Nb6 13.Ne4 h6 14.c3 d5 15.Nc5 Bc5 16.bc5 Na4 17.e3 (17.Nb3!?=) 17...Nd7 18.Nb3 Nf6 19.d4 Qd7 20.Na5 Nb2 21.Qc2 Nc4 22.Nc4 dc4 23.e4 0–0 24.e5 Nd5 25.Qe4 Kh8 26.Qg4 Ne7 27.Qh3 Kg8 28.Be4 Nf5 29.Bc2 Qe7 30.Bf5 ef5 31.Qf5 Qe6 32.Qf3 Rad8 33.Rab1 Rde8 34.a4 Qd5?? 35.Qg4?? Qe6 36.Qf3 Qd5 37.Qd5 cd5 38.ab5 Re7 39.ba6 Ba6 40.Rb6 Re6 41.Rfb1 Ra8 42.Rb8 Rb8 43.Rb8 Kh7 44.h4 Kg6 45.Rb6 Rb6 46.cb6 Bb7 47.f4 f6? 48.ef6 Kf6 49.Kf2 Kf5 50.Kf3 g6? 51.g4 Kf6 52.f5 Kg7 53.fg6 Kg6 54.Kf4 h5 55.g5 Bc6 56.Ke5 Bb7 57.Bc1 Bc6 58.Ba3 Bb7 59.Be7 Kf7 60.Bd8 Ke8 61.Bc7 Kf7 62.Bd6 Bc6 63.Bb8 Bb7 64.Kf4 Kg6 65.Be5 Bc6 66.Bf6 Bb7 67.Ke5 Kf7 68.Kd6 Kg6 69.Kc7 Ba6 70.b7 Bb7 71.Kb7 Kf5 72.Kc6 Kg4 73.Kd5 Kh4 74.g6 (74.g6 Kg3 75.g7 Kf3 76.g8Q h4 77.Bh4 Ke2 78.Qg2 Kd1 79.Bg5 Ke1 80.Be3 Kd1 81.Qd2#) 1–0. rryy44 – kundel10c, kurnik, 2012.

2.c3 b5

3.a4 Bb7 4.ab5 ab5 5.Ra8 Ba8 6.e3 c6 7.Nf3 d6 8.g3 Nd7 9.Bg2 Ngf6 10.h3 g6 11.Bb2 Bg7 12.c4 0–0 13.Qc2 bc4+= 14.Qc4 c5 15.bc5 Nc5 16.0–0 Bd5 17.Qc2 Qa8 18.d4 Ne6 19.Nh4 Bg2+= 20.Ng2 Qf3 21.Nd2 Qh5 22.h4 Qd5 23.Qd3 Nh5 24.Rc1 Rb8 25.Bc3 Qb5 26.Qe4 Nc7?? 27.Qe7+/– Nd5 28.Qe4 Nc3 29.Rc3 Qb4? 30.Rc2?? Nf6+/– 31.Qd3 d5 32.Kh2 Qd6 33.Nf3 Ne4 34.Nf4 f5 35.Rc1?? Bf8 36.Rf1 Qb4? 37.Ne5 Bd6 38.Qa6 Be5? 39.Qe6+– Kf8 40.Qe5 Qe7 41.Qh8 Kf7 42.Qb8 Qa3 43.Qc7 Kf6 44.Qe5 Kf7 45.Qd5 Kg7 46.Ne6 Kh6 47.Ng5! (47.Ng5 Qa6 48.Qf7+–) 1–0. martin78ns – golfx, kurnik, 2012.

3.a4 Bb7 4.ab5 ab5 5.Ra8 Ba8 6.e3 d6 (better is 6...e5!?=) 7.Bb5+/– Nd7 8.Qa4?? (better is 8.Nf3+/–) 8...Bg2–+ 9.Bc6 d5?? (better is 9...Bh1 10.Bh1 Ngf6–+) 10.Bd5?? (better is 10.Bd7 Qd7 11.Qa8 Qd8 12.Qc6 Qd7 13.Qa8 Qd8 14.Qc6 Qd7 15.Qa8=) 10...Bd5–+ 11.f3 Ngf6 (11...e5 12.d3–+) 12.e4 (12.d3 e5–+) 12...Ba8 (12...Ne4 13.c4 Bb7 14.Qa7–+) 13.Ne2?! (13.d3 e5–+) 13...g6 14.Nf4? Bg7 15.Qb5? 0–0 16.d3 Qb8 17.Qc4? Ne5 18.Qd4 Nf3 19.Ke2 Nd4 20.cd4 c5 21.bc5 Ne4 22.Nd2 Nd2 23.Bd2 Bh6 24.h4 Bf4 25.Bf4 Qf4 26.Rf1 Qd4 27.Kd2 Qc5 28.Rf4 e5 29.Rc4 Qc4! 30.dc4 f5 31.Kc3 e4 32.c5 Rd8 33.Kc4 e3 34.Kb5 e2 35.c6 Bc6! 36.Kc6 e1R 37.Kc7 Rde8 38.Kd7–+ f4 39.h5 g5 40.h6 g4 (40...g4 41.Kd6 Rd1 42.Kc6 Rc8 43.Kb7 Rc2 44.Ka7 Rb2 45.Ka6 Ra1#; 40...R8e2 41.Kd6 Rd1 42.Kc5 Rc2 43.Kb4 Rb1 44.Ka3 g4 45.Ka4 Ra2#) 0–1. martin78ns – golfx, kurnik, 2012.

3.a4 c6 4.a5 d5 5.d4 e6 6.e3 f5 7.Bd3 Nf6 8.Nf3 Be7 9.Ne5 0–0 10.f4 1–0. martenkaa91 – elpollo, kurnik, 2012.

3.a4 c6 4.ab5 cb5 5.e3 Nc6 6.Bb5 e6 7.Bc6 dc6 8.Ne2 Nf6 9.0–0 Bb7 10.Bb2 Be7 11.Na3 0–0 12.Nc4 Qd3 13.Ne5 Qf5 14.Nf3 Rfd8 15.Ned4+= Qd5 16.Nb3 Ne4 17.d4 h6 18.Nc5 Bc5 19.bc5 g5 20.Nd2 f5? 21.Ne4 Qe4 22.Qh5 Kg7 23.Rfc1 Rd7 24.c4+– Kh7 25.Qe2 Kg6 26.f3 Qh4 27.Bc3 g4 28.Be1 Qg5 29.fg4 fg4 30.Qd3 Qf5 31.e4 Qf7 32.d5 e5 33.Qg3 Qf4 34.Qf4 ef4 35.d6 h5? 36.Bc3 h4 37.e5 Kf7? 38.Bd2 f3 39.Re1 Ke6 40.gf3 Rg8 41.f4 h3? 42.Kf2 Rdg7 43.Kg3 Ra8 44.Reb1 Kf5 45.Bc3 Ke4 46.e6 Kd3 47.Bg7 Kc4 48.Rb7 Kc5 49.d7 Kd6 50.f5 c5 51.Rd1 Kc6 52.Rdb1 c4 53.Rb8! Rb8 54.Rb8 a5 55.d8Q a4 56.Bd4 a3 57.Qd7 1–0. tomy (2260) – valerypavlovich (2120), net–chess.com, 2006.

3.Bb2 Bb7 4.d3 d6 5.e3 Nd7 6.f3 c5 7.g3 (7.a4 e5=) 7...cb4 8.cb4 Ngf6 9.Bg2 g6 (9...e5 10.Qd2+=) 10.Ne2 Bg7 11.0–0 0–0 12.Nd2? (12.a4 ba4 13.Qa4 Qb6=) 12...Ne5 (better is 12...Nd5 13.Bg7 Ne3–+) 13.d4 Nc4 14.Nc4 bc4 15.a3 d5 16.Rb1 e6 17.Nc3 Bc6 18.Kh1 Qd7 19.e4 a5 20.ed5 (better is 20.Bc1!?=) 20...Nd5–/+ 21.Nd5 Bd5 22.ba5 Ra5 23.Qd2 Rb8?? (better is 23...Rfa8–/+) 24.Qa5+– Ra8 25.Qb6 Qb7 26.Qb7 Bb7 27.Ra1 Bd5 28.a4 Bf8 29.Bc3 White intends a5 29...Bd6 30.a5 Bc7 31.a6 Bb6 32.Rfb1 Ba7 33.f4 Bg2 34.Kg2 Kg7 35.Rb4 Kf6 36.Rc4 Kf5 37.Rc7 Ke4 38.Rf7 Kd3 39.Bb2 Kc2 40.Rb7 h6 41.Rc1 Kd3 42.Rcc7 Bd4 43.Bd4 Kd4 44.a7 e5 45.Rb8 Ra7 46.Ra7 ef4 47.Re8 fg3 48.Rd7 Kc5 49.Rc8 Kb6 50.Rd1 Kb7 51.Rc2 Kb6 52.Rb1 Ka5 53.Ra2# 1–0. fkrantic – golfx, kurnik, 2012.

3.Bb2 Bb7 4.e3 d6 5.a4 c6 6.ab5 cb5 7.Nf3 Nd7 8.Be2 e6 9.d4 Ngf6 10.h3 Be7 11.0–0 0–0 12.Qd3 Be4 13.Qd2 Bb7 14.Qd3 g6 15.Nh2 Ne8 16.Bf3 Bf3 17.Nf3 d5 18.Nbd2 Ng7 19.e4 de4 20.Ne4 Nf6 21.Nf6 Bf6 22.Nh2 Ne8 23.Bc1 Bg7 24.Ng4 Qc7 25.Nh6 Kh8 26.Qf3 Nf6 27.Bg5 Nd5 28.Rae1 Qc3 29.Qe4 Qc7 30.Ng4 h5 31.Ne3 Ne3 32.Re3 Kg8 33.Bf4 Qd7 34.Bg3 Qd4 35.Qc6 Qb4 36.Bd6 Rfc8 37.Qc8 Rc8 38.Bb4 Bd4 39.Rd3 Bf6 40.Rd6 Rc4 41.Ba5 1–0. martin78ns – hyman, kurnik, 2012.

3.d4 a5 4.e4 Bb7 5.f3 =.

3.d4 e6 4.Qd3 (4.a4 ba4 5.Nf3 Bb7+=) 4...Bb7 5.f3 (5.Nf3 f5=) 5...Nf6 (5...a5 6.Qb5 Bc6 7.Qg5 Qg5 8.Bg5 ab4 9.e4=) 6.h4 (6.e4!?=) 6...d5 7.Bf4 Bd6 8.g3 Bf4 9.gf4 Nc6 10.Bh3 Nh5–/+ 11.Bg4? Nf4–+ 12.Qe3?? Ng2 13.Kf2 Ne3 14.Ke3 0–0 15.f4 f5 16.Bh5 Rf6 17.Nf3 17...Rh6 18.Bf7 Kf7 19.Ng5 Kg8 20.Nd2 Bc8 21.Rag1 Rg6 22.h5 Rf6 23.h6 g6 24.Nh3 a5 25.Nf3 ab4 26.Nh4 bc3 27.Rg2 Ra2 28.Ng5 c2 29.Nh7 Kh7 30.Ng6 Rg6 31.Rhg1 Rg2 32.Rg2 Kh6 33.Rh2–+ Kg6 34.Rh1 Nb4 35.Rg1 Kf6 0–1. Aldeeek – guest1142_jjirous, ICC, 1999.

3.e3 Bb7

4.a4 d6 5.ab5 ab5 6.Ra8 Ba8 7.Bb5 Nd7 8.Nf3 Ngf6 9.0–0 g6 10.Qa4 (10.d3 Bg7+/–) 10...Bg7 11.Nd4 0–0 12.Nc6 Bc6 13.Bc6 Nb6 14.Qb5 Qb8 15.Qd3 e6 16.Bb2 d5 17.b5 Nc4 18.Bc1 (18.Qc2 Na5+=) 18...Qb6 (18...Ne5 19.Qc2+=) 19.Na3 (better is 19.Ba3 Rb8 20.Qd4=) 19...Qc5?? (better is 19...Ne5 20.Qe2 Nc6 21.bc6 Qc6=) 20.Nc4+/– Qc4 21.Qc2 Ne4 22.f3 Nd6 23.d4 Nb5 24.Bb5 Qb5 25.Bd2 c5 26.Rb1 Qc4 27.dc5 Qc5 28.h3 Rc8 29.Rb3 h6 30.Qd3 Kh7 31.f4 e5 32.fe5 Be5 33.Qe2 Bf6 34.Kh1 Bg5 35.Qf3 Kg7 36.Rb7 Rf8 37.Rb4 Bf6 38.e4+= de4 39.Qe4 Bc3?? 40.Bc3?? Qc3–/+ 41.Kh2 f6 42.Rc4 Qe5 43.Kg1 Qe4 44.Re4 g5 45.Re7 Kg6 46.Kf2 h5 47.g3 f5 Black prepares g4 48.Kf3 Rf6 49.Re8 Rd6 50.Re3 g4 51.hg4 hg4 52.Kg2 Rd2 53.Kg1 Kg5 54.Ra3 Rd5 55.Kg2 f4 56.gf4 Kf4 57.Rg3?? Kg5 58.Ra3 Rd2 59.Kf1 1–0. martin78ns – golfx, kurnik, 2012.

4.a4 d6 5.ab5 ab5 6.Bb5 Nd7 7.Ra8 Qa8 8.Nf3 c6 9.Be2 Ngf6 10.0–0 g6 11.h3 Bg7 12.Na3 0–0 13.Nc4 c5 14.bc5 Nc5 15.Nb6 (15.d4!? Nce4 16.Bd2+=) 15...Qa7 16.Nc4 Ba6 (better is 16...Qa8=) 17.Ba3?? (17.Nb2 Be2 18.Qe2 Rb8=) 17...Rc8?? (better is 17...Bc4 18.Bc4 Qa3–+) 18.Bb4 Ne6 19.d3 Bc4 20.dc4 Nd7 21.Qd3 Ne5 The isolani on c4 becomes a target 22.Ne5 Be5 23.Bf3 Ng5 24.Bg4 f5 25.Be2 Ne4+= Attacks the isolani on c3 26.Qd5 Kg7 27.Rc1 Qa2 28.Qe6?? Rc7 29.Bf3?? Qf2–+ 30.Kh1 Ng3 31.Kh2 Ne2 32.Kh1 Nc1 33.Bd5 Qf1# (33...Qe1#) 0–1. martin78ns – golfx, kurnik, 2012.

4.Nf3 d6 5.Be2 Nd7 6.a4 Ngf6 7.ab5 ab5 8.Ra8 Qa8 9.Bb5 Bf3 10.gf3 g6 11.Bb2 Bg7 12.c4 0–0 13.Bd7 Nd7 14.Bg7 Kg7 15.0–0 (15.d3 Ne5=) 15...Ne5 16.f4? (16.e4 Nc4 17.Qb3 d5=) 16...Nc4?? (better is 16...Nf3 17.Kh1 Nd2 18.Kg1 Nf1 19.Qf1 Qf3–+) 17.Qe2 Qd5 (17...Nb6 18.Rc1=) 18.Nc3 (better is 18.Rc1 Nb6 19.Rc7+=) 18...Qb7?? (better is 18...Qe6=) 19.Qc4+– Rb8 20.Qd4 f6 21.Nd5 e5 22.fe5 de5 23.Qc5 Rd8 24.Qe7 Kh6 25.Qd8 c6 26.Nf6 Qb4 27.Ng4 Kh5?? 28.Nf6 Kh6 29.Qe8 Kg5 30.Qe5 Kh6 31.d4 g5 32.Kh1 Qf8 33.Rg1 Qg7 34.Ng4 Kh5 35.Qg7 Kh4 36.Qg5! Kh3 37.Ne5 h6 38.Qg3# (38.Qh6#) 1–0. martin78ns – golfx, kurnik, 2012.

4.Nf3 d6 5.g3 Nd7 6.Bg2 Ngf6 7.Qe2 g6 (7...e5 8.d3+=) 8.d4 Bg7 9.Nh4 (better is 9.a4=) 9...0–0?? (better is 9...Bg2 10.Ng2 c5+=) 10.Bb7+– Ra7 11.Bg2 c5 12.bc5 dc5 13.dc5 (13.0–0!? Qb6+–) 13...Nc5 14.0–0 Qd3 15.Qd3 Nd3 16.Ba3 Re8 17.Nf3 e6 18.Nd4 Ne5 19.Bc5 Rc7 20.Bd6 Rcc8 21.Be5 Nd5 22.Bg7 Kg7 23.Bd5 ed5 24.Nd2 f5 25.N2f3 Rc3 26.Rac1 Rec8 27.Rc3 Rc3 28.Ne5 Ra3 29.Ra1 b4 30.Nc2 Ra4 31.Nc6 a5 32.Kf1 Ra3 33.Na3 ba3 34.Rb1 a4 35.Rb4 d4 36.Nd4 f4 37.gf4 g5 38.fg5 h6 39.gh6 Kh6 40.Ra4 Kg5 41.Ra3 Kg4 42.Rd3 Kh3 43.a4 Kh2 44.a5 Kh3+– 45.a6 Kg4 46.a7 Kg5 47.a8Q Kf6 48.Nb5 Ke5 49.Qa4 Ke6 50.Rd4 Ke5 51.Rh4 Kd5 52.Nc3 Ke5 53.Qa5 Kf6 54.Rb4 Ke6 55.Rb6 Kd7 56.Qa7 Kc8 57.Rb8# 1–0. martin78ns – golfx, kurnik, 2012.

4.Nf3 d6 5.g3 Nd7 6.Bg2 g6 7.Nh4 (better is 7.0–0=) 7...Bg7?? (better is 7...Bg2 8.Ng2 Bg7+=) 8.Bb7+– Ra7 9.Bg2 Ngf6 10.Nf3 0–0 11.Bb2 c5 12.bc5 Nc5 13.Ba3 Nd3 14.Kf1 (better is 14.Ke2 Ng4 15.Qc2+–) 14...a5?? (better is 14...Ne4+/–) 15.Qe2+– b4 16.cb4 (better is 16.Qd3!? ba3 17.Na3 Rb7+–) 16...Nb4 (16...Nf2 17.Rg1 (17.Qf2?! Ng4 18.Qe2 Ba1+/–) 17...N2g4 18.Nd4 ab4 19.Nc6+–) 17.Nc3 Nc2 18.Bb2 (better is 18.Nb5 Na1 19.Na7+–) 18...Na1+/– 19.Ba1 Qc7 20.a4 Qc5 21.Nb5 Rb7 22.Nfd4 Qb4?? 23.Bb7+– Qa4 24.Kg2 Rb8 25.Bf3 Rb5 26.Nb5 Qb4 27.Nc3 a4 28.Rb1 Qa5 29.Qb5 Qb5 30.Rb5 Nd7 31.Ra5 Nc5 32.d4 Nb3 33.Ra4 Na1 34.Ra1 h5 35.Nd5 e6 36.Ne7 Kh7 37.Ra7 Bf6 38.Nc6 Kg7 39.e4 e5 40.de5 de5 41.h3 Kf8 42.g4 h4 43.g5! Bg5 44.Ne5 Kg7 45.Nf7 Bf6 46.Nd6 Kh6 47.Bg4 Kg5 48.Kf3 Be5 49.Nf7 Kf6 50.Ne5 Ke5 51.Re7 Kf6 52.Re6 Kg5 53.Ke3+– Kh6 54.f4 Kg7+– 55.f5 gf5 56.ef5 Kf7 57.Rh6 Kg7+– 58.Rh4 Kf6 59.Kf4 Kg7 60.Rh5 Kf6 61.h4 Kg7 62.Kg5 Kf7 63.Rh6 White prepares the advance f6 63...Kg7 64.Ra6 Kh7 65.f6 Kg8 66.Kf5 Kf7 67.Bh5 Kg8 68.Ra7 Kf8 69.Ke6 White intends f7 69...Kg8 70.f7 Kg7 71.f8Q! Kf8 72.Bg6 (72.Bg6 Kg8 73.Kf6 Kh8 74.Ra8#; 72.Kf6 Kg8 73.Bg6 Kh8 74.Ra8#) 1–0. martin78ns – golfx, kurnik, 2012.

2.c4 b5

3.c5 Bb7 4.Bb2 Nf6 5.e3 g6 6.Nf3 Bg7 7.Be2 0–0 8.0–0 d6 9.d4 d5 10.Nc3 c6 11.Qc2 a5 12.a3 a4 13.Ne5 Nbd7 14.f4 Ne5 15.fe5 Ne8 16.Bg4 Bc8 17.Bf3 Bf5 18.e4 de4 19.Be4 Be4 20.Qe4 Rc8 21.Rad1 e6 22.Qg4 Nc7 23.Ne4 Nd5 24.Qg3 Qe7 25.Nd6 Rcd8 26.Rf3 f5 27.Bc1 Ra8 28.Bg5 Qd7 29.h4 Rf7 30.h5 h6 31.hg6 Rff8 32.Bd2 Qe7 33.Qh3 f4 34.Rdf1 Qg5 35.Qe6 Kh8 36.Nf7 Rf7 37.gf7 Rf8 38.Qc6 1–0. druhynejhorsi (1765) – mocztenora (1790), kurnik, 2012.

3.c5 c6 4.Bb2 Nf6 5.d4 g6 (5...a5 6.a4+=) 6.Nf3 Bg7 7.e3 0–0 8.Nbd2 a5 9.a3 (9.a4 ab4 10.ab5 Ra1 11.Qa1 cb5 12.Bb5 d6+=) 9...ab4= 10.ab4 Ra1 11.Qa1 d6 12.Be2 dc5 (12...Na6!?+=) 13.dc5 Be6 14.0–0 Nh5 (14...Qc8 15.Ne4 Nbd7 16.Nf6 Nf6 17.e4=) 15.Rd1 Qc7 16.Ng5 (16.Nd4 Nf6+/–) 16...Bc8 (16...Bb2!? 17.Qb2 Ng7+/–) 17.Bh5+– Bb2 18.Qb2 gh5 19.Qc2 f5 20.Qb3 Kg7 21.Ndf3 h6 22.Ne6 Be6 23.Qe6 Rf6 24.Qb3 f4 25.ef4 Qf4+/– 26.Qd3 Na6 27.Qd7 Rf7? 28.Qc6+– Nb4 29.Qb5 h4 30.h3 Nc2 31.c6 e6 32.Qc5 Nb4 33.c7! Rc7 34.Qe5 Qe5+= 35.Ne5 Kf6 36.Nf3 Nc2 37.Rc1 e5? 38.Ne1+– Rb7? 39.Nc2 Rb2 40.Ne3 Kg5 41.Rc6 Kf4 42.Nf1 Kg5 43.Re6 Re2 44.Ne3 Re1 45.Kh2 Kf4 46.Rh6 Re2 47.Rh4 Kg5 48.Rg4 Kf6 49.Kg3 Ra2 50.Nc4 Ra8 51.Re4 Rc8. bluepiramid2 (1650) – kot63 (1715), kurnik, 2011.

3.c5 Nc6 4.Nf3 Nb4 5.d4 Bb7 6.a3 Nd5 7.e4= Ndf6 8.e5 Ne4 9.Bd3+= Nf2?? 10.Kf2+– e6 11.Nc3 h6 12.Bf4 Ne7 13.Rf1 Nd5 14.Nd5 Bd5 15.Kg1 Be7 16.Qe1 g5 17.Bd2 f6?? 18.Bg6+– Kf8 19.Ng5! hg5 20.Bg5 Rg8?? 21.Bh6 Rg7 22.Qh4 f5 23.Bg7 (23...Kg7 24.Qh7 Kf8 25.Qf7#) 1–0. alaamattar (2120) – kecker (2090), net–chess.com, 2007.

3.e3 Bb7 4.Nf3 c6 5.Bb2 d6 6.Be2 Nd7 7.0–0 Ngf6 8.d3 e6 9.Nbd2 Be7 10.a4 0–0 11.ab5 ab5 12.cb5 cb5 13.d4 Qb6 14.Qc2 Nd5 15.Qb3 N7f6 16.Ra8 Ra8 17.Rc1 h6 18.g3 Ra4 19.Ba3 Qa6 20.Nb1 Nb6 21.Nfd2 d5 22.Rc7 Bd6 23.Rc1 Nc4 24.Nc4 dc4 25.Qb2 Nd5 26.Bd1 Ra3 27.Qa3 Nb4 28.Qa6 Ba6 29.Nc3 Nd3 30.Ra1 Bb4 31.Nb1 Bb7 32.Ra7 Bd5 33.Bc2 f5 34.Rc7 Ne1 0–1. druhynejhorsi (1790) – faragou (1930), kurnik, 2012.

3.e3 Bb7 4.Nf3 c6 5.cb5 g6 6.ba6 Ba6 7.Ba6 Na6 8.Qb3 Bg7 9.Bb2 Nf6 10.Nc3 0–0 11.0–0 Rb8 12.a3 Nc5 13.Qc2 Ne6 14.Rfd1 d5 15.d4 Qd7 16.Ne5 Qd6 17.Rdc1 Nd7 18.Nd7 Qd7 19.Ne2 Rfc8 20.Rab1 Nd8 21.Ba1 f6 22.Nc3 e5 23.Na4 e4 24.Nc5 Qd6 25.a4 Bf8 26.b5 cb5 27.ab5 Nb7 28.Qe2 Nc5 29.dc5 Rc5 30.Rc5 Qc5 31.Bf6 Bg7 32.Bg7 Kg7 33.Qb2 Kf7 34.b6 Rb7 35.Qb5 Qb5 36.Rb5 Ke6 37.Kf1 Kd6 38.Ke2 Kc6 39.Rb1 Rb6 40.Rb6 Kb6 41.f3 Kc5 42.fe4 de4 43.g3 g5 44.h3 h6 45.Kd2 Kc4 46.Ke2 Kc3 47.Kf2 Kd2 48.g4 Kd3 49.h4 gh4 0–1. thecat74 – iscaro, kurnik, 2012.

3.e3 bc4 4.Bc4 Nc6 5.a3 g6 6.Qb3 Bg7 7.Bf7 Kf8 8.d4 e6 9.Bg8 Rg8 10.Nf3 d5 11.Bb2 Ke7 12.Nbd2 Rf8 13.0–0 Bd7 14.Rac1 Rb8 15.Rfe1 Na7 16.e4 de4 17.Ne4 a5 18.Nc5 ab4 19.a4 Nc6 20.Re6 Be6 21.Qe6 1–0. barborski – golfx, kurnik, 2012.

3.e3 bc4 4.Bc4 d6 5.Nf3 Bb7 6.d4 Nd7 7.Nbd2 c5 8.dc5 dc5 9.Qb3 cb4 10.Bf7 1–0. barborski (1645) – golfx, kurnik, 2012.

3.e3 e5 4.Bb2 Nc6 5.a3 d6? 6.cb5+/– ab5 7.Bb5 Bb7 8.Qc2 Nge7 9.Nf3 g6? 10.0–0 Bg7 11.d4 0–0 12.Nbd2 ed4 13.ed4 Qd7 14.Rfe1+– d5? 15.Rac1 Qg4?! 16.Bc6 Nc6 17.Qd3 Rae8? 18.h3 Qf4 19.Nb3 Re6 20.Nc5 Re1 21.Re1 Bc8 22.Bc1 Qd6 23.h4 Bf5 24.Qc3 Be4 25.Ne4+– de4 26.Re4 Ne7? 27.Bf4 Qd7 28.Qc7 Rd8 29.Re7 Qd5 30.Be5 Bf8 31.Ng5 Be7 32.Qe7 h6 33.Qf6 Kf8 34.Qh8 Ke7 35.Bf6 Kd7 36.Qd8 Kc6 37.Qa8 Kd6 38.Be5 (38…Qe5 39.Nf7 Ke7 40.Qb7 Ke6 41.Ne5 Kf5 42.g4 Ke6 43.Qd7 Kf6 44.Qf7) 1–0. wlittle (2135) – kingtipper (1960), net–chess.com, 2004.

3.e4 Bb7 4.Nc3 e6 5.a3 Qe7 6.cb5+/– ab5 7.Nb5 Na6 8.d3 Nf6 9.Nf3 c5? 10.e5+– Nd5?? 11.Nd6 Kd8 12.Nb7 (12...Kc7 13.Nd6+–) 1–0. Wall,Bill – Chopin,Fred, internet, 2000.

3.e4 bc4 4.Bc4 e6 5.a3 Bb7 6.f3 d5 7.ed5?? ed5?? 8.Bb3= Be7 9.Ne2 c5 10.bc5 Bc5 11.d4 Bd6 12.Nbc3 Nf6 13.0–0 0–0 14.Bg5 Nbd7 15.Bd5 Bd5 (15...Nd5 16.Bd8). Hartur – super knight, internet, 2006.

3.cb5 ab5

4.Bb2 Bb7 5.e3 c6 6.Nf3 d6 7.d4 Nd7 8.Bd3 Ra7 9.Nbd2 Qa8 10.a3 Nb6 11.Qc2 Na4 12.Nb3 Nb2 13.Qb2 Nf6 14.Na5 g6 15.0–0 Bg7 16.Rfc1 c5 17.Ne1 c4 18.Be2 0–0 19.Bf3 d5 20.g3 e6 21.Bg2 Nd7 22.Nf3 Nb6 23.Rab1 Na4 24.Qa1 Ba6 25.h4 Qb8 26.Nc6 Qb7 27.Na7 Qa7 28.Nd2 Qe7 29.e4 Qd7 30.ed5 ed5 31.Nf3 Re8 32.Ne5 Be5 33.de5 Qf5 34.Bd5 Re5 35.Bc6 Re2 36.Rf1 Qc2 37.Rbe1 Nc3 38.Rc1 Qa2 39.Qc3 Qd2 40.Qd2 Rd2 41.Rfd1 Ra2 0–1. barborski (1635) – golfx, kurnik, 2012.

4.e3 Bb7 5.Nf3 c6 6.a4 ba4 7.Ra4 Ra4 8.Qa4 e6 9.Bb2 Ne7 10.Be2 Nd5 11.b5 cb5 12.Bb5 Bc6 13.0–0 Bb5 14.Qb5 Nc6 15.Nc3 Nc3 16.Bc3 f6 17.Nd4 Nd4 18.Bd4 Be7 19.Bb6 Qc8 20.Qh5 g6 21.Qh6 Bf8 22.Qf4 Bg7 23.Ra1 0–0 24.Bc5 Qc5 25.d4 0–1. thecat74 – karnobat, kurnik, 2012.

4.e3 Bb7 5.Nf3 c6 6.Bb2 e6 7.Bd3 (7.a3 Nf6 8.Bd3 Be7 9.0–0 d6 10.Nc3= –0.03) 7...Nf6 (7...Bb4?? 8.Bg7 f5 9.Bh8+–) 8.Qb3 (8.a3 Be7 9.0–0 d6 10.Nc3= –0.03) 8...Na6 (8...Bd6 9.a4 ba4 10.Ra4= –0.06) 9.a3 d5 (9...Be7 10.0–0= –0.03) 10.0–0 Ne4 11.Nc3 f5 12.Rac1 h5 13.Rfd1 Ng5 14.Ne5 Bd6 15.Nb5 cb5 16.Bb5 Ke7 17.Ng6 Kf7 18.Nh8 Qh8 19.Bc6 Bc6 20.Rc6 Qb8 21.Qc3 e5? (21...Bf8 22.Rc1+–) 22.Qb3 (better is 22.f4 Ne4 23.Qd3+–) 22...Ke6 23.Be5! Ke5 24.f4 Ke6 25.fg5 Nc7 26.Qc3 Ne8 27.Rc1 Qb7 28.e4 fe4 29.Qh3 Ke7 30.Qh5 Qa7 31.Kh1 Qa3 32.Rf1 Qa1 33.Qf7 Kd8 34.g3 Ra7?? 35.Rc8! Kc8 36.Qe8 Kb7? 37.Ra1 Ra1 38.Kg2 Bb4 39.Qb5 Kc7 40.Qb4 Kc6 41.Qc3 (41.Qc3 Kb5 42.Qa1+–) 1–0. Koper,Konrad (1660) – Piasecki,Andrzej, Poznan Poland, 2010.

4.e3 c6 5.Bb2 d5 6.Nf3 Nd7 7.a3 Nb6 8.Be2 Na4 9.Bd4 Nf6 10.0–0 g6 11.Nc3 Bg7 12.Na4 Ra4 13.Qb3 0–0 14.Rfc1 Qd7 15.Bd1 Bb7 16.Qb2 Ra6 17.h3 Rfa8 18.Ne5 Qd6 19.Bc5 Qe6 20.f4 Ne4 21.Qc2 Nc5 22.Qc5 Ra3 23.Ra3 Ra3 24.Nc6 Bc6 25.Qc6 Ra2 26.Qe8 Bf8 27.Bg4 Qf6 28.Rc8 Qg7 29.Qe7 Rd2 30.Bd7 h6 31.Bb5 Rd1 32.Kh2 g5 33.fg5 hg5 34.Be2 Rb1 35.Bf3 Rf1 36.Bd5 Rf5 37.e4 Re5 38.Rf8 Qf8 39.Qe5 Qb4 40.Qg5 Kf8 41.Qd8 Kg7 42.Qe8 Qd6 43.g3 Qf6 44.Qf7 Qf7 45.Bf7 Kf7 46.g4 Kf6 47.Kg3 Ke5 48.h4 Ke4 49.h5 Ke5 50.Kh4 Kf6 51.g5 Kg7 52.Kg4 Kf7 53.Kf5 Kg7 54.h6 Kh7 55.Kf6 Kg8 56.g6 Kh8 57.g7 Kh7 58.Kf7 Kh6 59.g8R Kh5 60.Kf6 Kh4 61.Kf5 1–0. barborski (1620) – golfx, kurnik, 2012.

4.e3 c6 5.Nf3 Bb7 6.d4 d6 7.Bb2 Nd7 8.Nbd2 Qb6 9.Qb3 Ngf6 10.Be2 g6 11.0–0 Bg7 12.a3 0–0 13.Rfc1 Rfc8 14.Ng5 e6 15.Ne6 fe6 16.Qe6 Kh8 17.Qd6 Rf8 18.Bf3 Rf7 19.Bc6 Bc6 20.Qc6 Qc6 21.Rc6 Raf8 22.Rac1 Nd5 23.f3 Ne3 24.Ne4 Nc4 25.R1c4 bc4 26.Rc4 Nb6 27.Rc6 Na4 28.Ba1 Ra8 29.b5 Rb7 30.Nd6 Rb6 31.Kf2 Rd8 32.Nf7 Kg8 33.Nd8 Rc6 34.bc6 Nb6 35.Ne6 Bf6 36.g4 Kf7 37.Nc5 Ke7 38.Ne4 Bg7 39.Ke3 Nc4 40.Kd3 Na3 41.Nc3 Kd6 42.Bb2 Nb5 43.Nb5 Kc6 44.Nc3 h5 45.Kc4 hg4 46.fg4 Bf6 47.h3 Be7 48.Nd5 Bh4 49.Ba3 Bg3 50.Be7 Kd7 51.Bg5 Kd6 0–1. barborski – golfx, kurnik, 2012.

2.c4 b6

3.a4 Bb7 4.Ba3 d6 5.Nc3 Nf6 6.Qb3 g6 (6...Nbd7 7.d4+=) 7.0–0–0 (7.Bb2!?=) 7...e6 8.f4 Bg7 9.e3 0–0 10.Nf3 Ne4 (10...Ng4 11.Re1–/+) 11.Ne4+= Be4 12.d3 Bf3 13.gf3 Nc6 14.d4 Re8 (14...Ne7 15.Bd3+=) 15.b5 (15.Bd3!?=) 15...ab5 16.ab5 Na5 17.Qb4 c5 18.dc5? (better is 18.bc6 d5 19.Bb2–/+) 18...bc5–+ 19.Qb2 Nc4 20.Qg7 Kg7 21.Bc4 Ra3 22.Kb2 Qa5 23.Rb1 Re3 24.Rhc1 Rf3 25.f5 Rf5 26.h4 d5 27.Bd5 ed5 28.Rc5 Re2 29.Rc2 Qb4 30.Kc1 Qf4 31.Kb2 d4 32.Re2–+ Rb5 33.Ka2 Rb1 34.Kb1 Qh4 35.Rd2 Qe1 36.Kc2 Qe4 37.Kd1 h5 38.Rd4 Qd4 39.Ke2 f5 40.Kf1 f4 41.Kg2 g5 42.Kf3 g4 43.Kg2 Qd2 44.Kh1 g3 45.Kg1 Qf2 46.Kh1 Qh2# (46...Qf1#) 0–1. xcxcx10 – bogdanmik, kurnik, 2012.

3.a4 Bb7 4.Bb2 d6 (4...Nf6 5.a5+=) 5.Nf3= Nd7 6.e3 Ngf6 7.d4 g6 8.Bd3 Bg7 9.0–0 0–0 10.Re1 c5 11.d5 (better is 11.bc5!? bc5 12.Nc3=) 11...cb4–/+ 12.Qb3 a5 13.Nbd2 Nc5 14.Qc2 Nd3 15.Qd3 Rc8 16.h4 (16.e4 Re8–/+) 16...e6 17.e4 e5 18.Ng5 h6 19.Nh3 Qd7 20.f4 ef4 21.Nf4 Rc7 22.e5 de5 23.Be5 Rc5 24.Bd4 Rc7 25.Nf3 Re8 26.Ne5?? Qd6–+ 27.h5 g5 28.c5 bc5 29.Qf5 Nd5 30.Nc4 Qd7 31.Re8 Qe8 32.Nd5?? Bd5 33.Bg7 Kg7?? 34.Ne5?? Be6 35.Qe4 Re7 36.Re1 Bb3 37.Nc6 Re4 (37...Re4 38.Re4 Qe4 39.g4 Qe1 40.Kh2 Qf2 41.Kh3 Bc4 42.Nb4 Bf1#) 0–1. dick54 – golfx, kurnik, 2011.

3.a4 Bb7 4.e3 d6 (4...e6 5.Ba3+=) 5.Nf3 Nd7 6.Be2 g6 (6...e5 7.d4=) 7.0–0+= Bg7 8.d4 Ngf6 9.Bb2 0–0 10.Nbd2 b5 (10...c5!?=) 11.c5 (11.cb5!? ab5 12.Bb5+/–) 11...dc5+= 12.bc5 Bd5 13.ab5 ab5 14.Bb5 c6 (14...Rb8!? 15.Bd7 Qd7+/–) 15.Be2 Ra1 16.Qa1 Qc7 17.Nc4 (17.Bc3 Rb8+–) 17...Qb7 18.Bc3 Ra8 19.Qb2 Qb2 20.Bb2 Ra2 21.Rb1 Ne4 22.Bf1 g5 23.Nfd2 Bc4? 24.Ne4 Bf1 25.Kf1 h6 26.Nc3 Ra8 27.Ra1 Ra1 28.Ba1 e5 29.Ne2 ed4= 30.ed4 Nf8 31.Ke1 Ne6 32.g3 h5 33.Kd2 h4 34.Kd3 hg3 35.hg3 Kh7 36.Kc4 Kg6 37.Bc3 Kf5 38.f3 Nc7 39.g4+– Kg6 40.Ng3 Nd5 41.Nf5 Bf6 42.Bd2 Bd8 43.Ng3 Ne7 44.Ne4 f5? 45.Nd6?? f4 46.Ne4 Nd5 47.Nc3+– Ne3 48.Kd3 Nf1 49.d5 cd5 50.Nd5 1–0. killthebill – golfx, kurnik, 2011.

3.Bb2 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.c4 a6).

3.d4 Bb7 4.Qc2 (4.a3 e6=) 4...d6 (4...e5!? 5.de5 Bb4 6.Bd2 Bd2 7.Nd2 Nc6–/+) 5.Nc3 Nd7 6.e4 e6 7.g3 (7.a3 c5 8.Nf3 cd4 9.Nd4 Rc8=) 7...Be7 8.Bg2 Ngf6 9.Nh3 0–0 10.0–0 Ne8 11.f4 c6 12.e5 d5 13.c5 (13.Ng5 g6+=) 13...g6 (13...a5 14.Ba3+=) 14.g4 White prepares f5 (14.Rb1 f6+=) 14...Ng7 (14...a5 15.Ba3+=) 15.Ne2 (better is 15.Rb1!?=) 15...a5+= 16.Ng3 White intends f5 (16.ba5!? bc5 17.Bd2–/+) 16...ab4–/+ 17.f5 ef5 (17...gf5!? 18.gf5 f6–/+) 18.gf5+= Bh4 19.f6 Ne6–+ 20.Ne2 bc5 21.Bh6 Re8 22.Nef4 Nf4 23.Nf4?? cd4–+ 24.Qe2 Ne5 25.Qd2 Bf6 26.Qf2 Bg5 27.Bg5 Qg5 28.Nh3 Qe3 29.Qe3 de3 30.Rfe1 Nc4 31.Nf4 f5 32.Rac1 Ra2 33.Rc4 dc4 34.h4 c3 35.Kh2 c5 36.Kg3 Bg2 37.Ng2 b3 38.Ne3 c2 (38...c2 39.Kf4 Re3 40.Ke3 b2 41.Kf2 c1Q 42.Kg3 Qe1 43.Kf4 Qe4 44.Kg5 Qe3 45.Kf6 Ra6#) 0–1. bogdanmik – hyman, kurnik, 2012.

3.e3 d5 4.Bb2 e6 5.Nf3 Nf6 6.a3 Bb7 7.cd5 Bd5 8.Be2 c5 9.bc5 Bc5 10.d4 Bd6 11.0–0 Qc7 12.g3 Qc6 (12...0–0 13.Nc3=) 13.Ne5 Qb7 14.f4 Be5 15.de5 (15.fe5 Ne4=) 15...Ne4 16.Bf3 Nd7 17.Nc3 Nc3 18.Bc3 Rc8 19.Bd4 0–0 20.Bd5 Qd5 21.Rc1 Nc5 22.Qc2 Rc6 23.Qg2 Ne4 24.Qb2 b5+= 25.Rc6 Qc6 26.Rc1 Qd5 27.Qb4 h5 28.a4 h4 29.gh4 ba4 30.Qa4= Nd2 31.Qc6 Nf3 32.Kf2+= Nd4 33.ed4?? Qc6?? 34.Rc6+= Ra8 35.Rb6 a5 36.Rc6 a4+= 37.Rc2 a3 (37...a3 38.Ra2 Kh7+=) 0–1. mete61 – dick54, kurnik, 2012.

2.c4 c6

3.a4 b6 4.b5 a5 5.e3 Bb7 6.Nf3 f6 7.Bb2 e5 8.Nc3 Bb4 9.Be2 Bc3 10.Bc3 d6 11.0–0 Ne7 12.Qc2 d5 13.cd5 Nd5 14.Bb2 0–0 15.d4 e4 16.Qe4 Ra7 17.Bc4 c5 18.dc5 bc5 19.Rad1 Re8 20.Bd5 Bd5 21.Qd5 Qd5 22.Rd5 Nd7 23.Rfd1 Rd8 24.Rc5 Raa8 25.Rcd5 Kf7 26.Rd7 Rd7 27.Rd7 Ke6 28.Rg7 Rd8 29.g3 Rd1 30.Kg2 Rb1 31.Bd4 Rb4 32.b6 Ra4 33.b7 Rb4 34.Ba7 a4 35.b8Q Rb8 36.Bb8 a3 37.Ra7 a2 38.Ra2 h5 39.Ra5 f5 40.Nh4 Kd7 41.Rf5 Kc8 42.Rf7 Kb8 43.Kf3 Kc8 44.Ke4 Kd8 45.Ke5 Ke8 46.Ra7 Kd8 47.Ke6 Kc8 48.Kd6 Kb8 49.Rh7 Kc8 50.Rg7 Kb8 51.Kc6 Ka8 52.Kb6 Kb8 53.Rg8 1–0. thecat74 – piyayo, kurnik, 2012.

3.Bb2 d6 4.e3 b6 5.d3 Nd7 6.a4 Bb7 7.Na3 Ngf6 8.e4 g6 9.f3 Bg7 10.Ne2 0–0 11.Ng3 (11.d4 c5+=) 11...b5 (better is 11...Ne4!? 12.Bg7 Ng3 13.hg3 Kg7–/+) 12.ab5= ab5 (12...cb5 13.cb5 Ne4 14.Bg7 Ng3 15.hg3 (worse is 15.Bf8 Nh1 16.Bh6 e6+=) 15...Kg7 16.Qd2=) 13.cb5+= cb5 14.Nb5 Qb6 15.Ra8 Ra8 16.Nd4 (better is 16.d4=) 16...Qb4–+ 17.Qd2 Ra1?? (better is 17...Qb6 18.Bc3 Nd5 19.ed5 Bd4–+) 18.Ba1+– Qd2 19.Kd2 Ne5 20.Be2 Bh6 21.Kc3 Nfd7 22.Rb1 Ba6 23.Nb5 f6 24.d4 Nc6 25.Kb3 Bb5 26.Bb5 Ncb8 27.Bd7 Nd7 28.Kc4 Be3 29.Ne2 Kf7 30.f4 h6 31.g3 Nf8 32.Kd3 Bf2 33.Rf1 Bg3 34.hg3 Ne6 35.Rh1 h5 36.Bc3 Nc7 37.Ba5 Nb5 38.Nc3 Nc3 39.Bc3 e5 40.de5 de5 41.fe5 fe5 42.Be5 Ke6 43.Bf4 Kf6 44.Kd4 g5 45.Bd6 Kg6 46.e5 g4 47.Ke4 Kg5 48.Be7 Kg6 49.Bf6 Kh6 50.Kf5 h4 51.Rh4# 1–0. huno – golfx, kurnik, 2011.

2.c4 Nc6

3.a3 e5 4.Bb2 d6 5.e3 Bf5 6.Nf3 Nf6 7.d4 e4 8.Nfd2 d5 9.Nc3 Be7 (9...Ne7 10.Be2=) 10.Qb3 (10.cd5 Nd5 11.Nce4 0–0+/–) 10...Be6 (10...dc4 11.Bc4 0–0 12.d5=) 11.cd5+/– Nd5 12.Nd5 (12.Nce4?! Ndb4 13.Bc4 Bc4 14.Qc4 Nd5=) 12...Bd5 13.Bc4 Bc4 14.Qc4 (14.Nc4?! Qd5=) 14...0–0 (14...Qd6 15.Ne4 Qg6 16.d5+–) 15.Ne4 Qd7 (15...Bd6 16.d5 Ne5 17.Qd4+/–) 16.Qc3 (16.d5 Nd8+–) 16...Qg4 (16...Qd5 17.f3+/–) 17.Ng3 (17.d5 Na7 18.0–0 Nb5+–) 17...Bf6 18.h3 Qg5 (18...Qe6 19.0–0+/–) 19.Ne4 Qg6 (19...Qg2 20.Nf6 gf6 21.0–0–0 Qf2 22.d5+/–) 20.Nf6+– Qf6 21.0–0 Rac8 22.e4 Qg6 23.f4 f6 24.e5 fe5 25.fe5 Ne7 26.Rf8+– Rf8 27.Qc7 Nd5 28.Qb7 Ne3 29.Re1?? Qg3= 30.Bc3 Nc2 31.Qd5+/– Kh8 32.Qc5 Qf2 33.Kh1 Ne1–/+ 34.Be1 Qe1 35.Kh2 Qf2 36.e6 Qf4 37.Kh1 Qf1 ˝–˝. Fournier,Frederic – Duregne,Olivier, Match Active, 1999.

3.a3 e5 4.e4 Nf6 5.d3 Be7 6.Nf3 0–0 7.Bb2 b6 8.Be2 Bb7 9.Ne5+/– Ne5 10.Be5 Ne8 11.0–0 d6 12.Bb2 Qd7 13.Bf3 c5 14.Nd2 Nc7 15.d4 cd4 16.Bd4+– b5 17.Rc1 Ne6 18.Bb2 Bg5 19.Rc2 Rfc8 20.cb5 Rc2 21.Qc2 Rc8 22.Qd3 ab5 23.Rc1 Rc1 24.Bc1 Qc6 25.Bb2 Nf4 26.Qc3 Qc3 27.Bc3 f5 28.Kf1 fe4 29.Ne4+/– Be4 30.Be4+– d5 31.Bf3 Nd3 32.Bd5 Kf8 33.Bc6 Bc1 34.Bb5 Nf4 35.a4 Nd5 36.Be1 Ba3 37.Bd3 g6 38.b5 Ke7 39.g4 Kd6 40.Ke2 Kc5?? 41.Bd2 Bb2 42.h4 Nf6 43.f3 Be5 44.a5 Bb8 45.Bg5 Nd7 46.f4 Kb4 47.a6 Ba7 48.h5 Nc5 49.Be7 Ka5 50.Bc5 Bc5 51.hg6 hg6 52.Bg6 Kb5 53.Bd3 Kb6 54.Kf3 Kc7 55.Ke4 Kd6 56.Kf5 Ke7 57.Kg6 Bd4 58.f5 Kf8 59.Kh7 Kf7 60.g5 Kf8 61.g6 (61...Ke7 62.f6 Kf6 63.g7+–) 1–0. Istvanny (1625) – inaldo, internet, 2007.

3.a3 e6 4.Bb2 Nf6 5.f3 (5.Nf3 d5=) 5...b5 (5...d5 6.e3+=) 6.e3 e5 (6...bc4 7.Bc4 d5 8.Be2=) 7.Bd3 (7.cb5 ab5 8.Bb5 Bd6+/–) 7...d5 (better is 7...bc4 8.Bc4 d5+=) 8.cb5+/– ab5 9.Bb5 Bd7 10.h3 (better is 10.Bc6!? Bc6 11.Be5+/–) 10...Bd6+= 11.Qc1 Ne7 12.Bd3 e4 (12...0–0 13.Ne2=) 13.Bf6 gf6? (better is 13...ed3!? 14.Bh4 f6=) 14.fe4+/– de4 (14...Rg8!? 15.Nc3+–) 15.Be4+– Rb8 (15...Bg3 16.Kf1 Bb5 17.Ne2+–) 16.Qc3 (16.Ne2 Bb5+–) 16...Be5 17.d4 Bg3 18.Kd1 Ba4 19.Ke2 f5 20.Bf3 f4 21.d5 Rg8 22.Qf6 Bb5= 23.Kd1 fe3 24.Nc3+= Bc4 The pressure on the isolated pawn grows 25.Bh5?? Attacking the backward pawn on f7 25...Ng6?? 26.Nf3 Qf6–+ 27.Rc1 e2! 28.Ne2 Qb2 29.Ng3 Bb3 30.Rc2 Qc2 31.Ke1 Nf4 32.Ne5 Ng2 33.Kf1–+ Ne3 34.Kg1 Qg2# (34...Rg3#) 0–1. karlsdad – navajobob, ChessWorld.net, 2011.

3.b5 Na7 4.a4 ab5 5.ab5 (worse is 5.cb5 Nb5 6.e4 Nd6–/+) 5...b6 6.Bb2 Bb7 7.Nc3 Nf6 8.f3 d6 9.e4 e5 10.Nge2 Qd7 11.d4 g6 12.Qc2 ed4 13.Nd4 Bg7 14.Bd3 0–0 15.0–0 c5 16.Nde2 Nh5 17.f4 Qg4 18.h3 Qh4 19.Kh2 Nc8 20.g4 Nf6 21.Rg1 White plans g5 (21.Kg2 Re8=) 21...h5 (better is 21...Ra1 22.Ba1 Qf2 23.Rg2 Ng4 24.hg4 Qh4 25.Kg1 Qe1 26.Kh2 Qa1–/+) 22.g5?? (22.gh5 Ra1 23.Ba1 Nh5=) 22...Qf2?? (better is 22...Ra1 23.gf6 Rg1 24.Kg1 Bf6–+) 23.Rg2+= Qh4?? (better is 23...Ng4! 24.hg4 Qh4 25.Kg1 Ra1 26.Ba1 Qe1 27.Kh2 Qh4 (worse is 27...Qa1 28.Rg1 Qa3 29.gh5+/–) 28.Kg1 Qe1 29.Kh2 Qh4 (worse is 29...Qa1 30.Rg1 Qa3 31.gh5+/–) 30.Kg1=) 24.gf6+– Qf6 25.Nd5?? White intends e5 25...Qb2= 26.Qb2 Bb2 27.Ra8 Ba8 28.Nf6?? Bf6–+ 29.e5 Bg2 30.Kg2 de5 31.fe5 Be5 32.Ng3 Bg3 33.Kg3 Rd8 34.Be2 Nd6 35.Kf4 Re8 36.Bf3 Nc4 37.Bc6 Rc8 38.Kg5 Kg7 39.h4 Nd6 40.Kf4 Nf5 41.Kg5 Rd8 42.Kf4 Rd4 43.Ke5 Rh4 44.Kd5 Rd4 45.Ke5 h4 46.Be8 Rd8 47.Bc6–+ h3 48.Bb7 f6 49.Kf4–+ Rd4 50.Kf3 c4 51.Kf2 c3 52.Be4 Re4 53.Kg1 Re3 54.Kh2 c2 55.Kg1 c1Q 56.Kh2 Qd2 57.Kg1 Re1# 0–1. captainevans – tonyy, kurnik, 2012.

3.b5 ab5=

4.cb5 Na7 5.b6 cb6 6.Nc3 g6 7.Rb1 Bg7 8.Na4 b5 9.Bb2 Bb2 10.Nb2 f5 11.Qb3= d5 12.e3 Nf6 13.Bb5 Nb5 14.Qb5 Kf7 15.Ra1 Ne4 16.Nf3 Qd6 17.0–0 b6 18.Rfc1 Nc5 19.d4+/– Nd7 20.Nd3 Ba6 21.Qd7+– Qd7 22.Nde5 Ke8 23.Nd7 Kd7 24.Ne5 Ke8 25.Rc7 Rf8 26.Rb1 b5 27.Nd7 Rf7 28.Nb6 Rb8 29.Nd5 Kd8 30.Rc6 Ra8 31.Rc5 e6 32.Nc3 Rc7 33.Rc7 Kc7 34.f4 Kc6 35.h4 Rb8 36.a3 h5 37.Kf2 Bc8 38.a4 b4 39.Nb5 Kb6 40.Rb4 Ka5 41.Rc4 Bd7 42.Rc7 Bb5 43.ab5 Rb5 44.Ra7 Kb4 45.Ra6 Rb7 46.Re6 Rg7 47.e4 fe4 48.Ke3 Kc3 49.Ke4 Kc4 50.d5 Kc5 51.Rc6 Kb5 52.g3 Rf7 53.Kd4 Rg7 54.Rc3 Rd7 55.Rb3 Ka4 56.Rb6 Rg7 57.d6 Ka5 58.Kc5 Rf7 59.Kc6 (59...Rf8 60.d7+–) 1–0. Wall,Bill – Pennell,Gary, Taylorsville, NC, 1975.

4.cb5 Na7 5.b6 cb6 6.Nc3 g6 7.Rb1 Bg7 8.Na4 b5=+ 9.Bb2 Bb2 10.Nb2=+ f5 11.Qb3 d5 12.e3= Nf6 13.Bb5 Nb5 14.Qb5 Kf7 15.Ra1 Ne4 16.Nf3 Qd6 17.0–0 b6 18.Rfc1 Nc5 19.d4+/– Nd7 20.Nd3 Ba6 21.Qd7 Qd7 22.Nde5 Ke8 23.Nd7 Kd7 24.Ne5 Ke8 25.Rc7 Rf8+/– 26.Rc6 Rf6+= 27.Rf6 ef6= 28.Nc6 Bc4 29.Nb4 Kd7 30.f4 h5 31.h4 ˝–˝. Dotlacil,Ladislav – Walker,M, Stary Smokovec, 1975.

4.cb5 Na7 5.e3 d5 6.a4 Bd7 7.Bb2 e6 8.f4 Bb4 9.Nf3 h6 10.Bd3 Ne7 11.0–0 0–0 12.Ne5 Bd6 13.Nd7 Qd7 14.Qg4 Ng6 15.Bg6 fg6 16.Qg6 Rf6 17.Bf6 Kh8 18.Bd4 Rg8 19.Qh6 1–0. jura1946 – erdemsb, kurnik, 2012.

4.cb5 Nb4 5.a3 Nf6 6.Bb2 Nbd5 7.e4 (better is 7.Qc2!?=) 7...Ne4–/+ 8.Qf3 Ndf6 9.Bc4 (9.Nc3 d5–/+) 9...d5–+ 10.Bd3 g6 11.Nc3 Bh6 12.Ne4?? (better is 12.Be4 Bd2! 13.Kf1 Bc3 14.Qc3 de4 15.Ke1–+) 12…de4 (12...de4 13.Qg3 Qd3 14.Qd3 ed3–+) 0–1. Koh,Lucas – Wall,Bill, chess.com, 2011.

4.cb5 Nb4 5.a4 d6 6.Ba3 Nd5 7.e4 Nf4 8.g3 Ne6 9.Bc4 Nf6 10.d3 Nd4 11.Bb2 e5 12.Bd4 ed4 13.Nf3 Bg4 14.h3 Bh5 15.g4 Bg6 16.Nbd2 h6 17.Nd4 d5 18.ed5 Nd5 19.Qb3 Nf4 20.0–0–0 Qd4 21.Rde1 Be7 22.Nf3 Qf2 23.Rhf1 Qc5 24.Ne5 Ne6 25.Ng6 fg6 26.Re6 Rf8 27.Rfe1 Rf7 28.Rg6 Kf8 29.Kb1 Bf6 30.Bf7 Qf2 31.Rc1 Qd4 32.Qa2 Qd3 33.Qc2 Qd4 34.Qc5 Kf7 35.Qd4 Bd4 36.Rd1 Kg6 37.Rd4 Rc8 38.Rd7 Kf6 39.Kb2 g6 40.Kc3 Kg5 0–1. jura1946 – wpwpwp50, kurnik, 2012.

2.c4 d6

3.a4 Nd7 4.b5 a5 5.Bb2 b6 6.e3 Bb7 7.f4 c6 8.Nf3 cb5 9.cb5 Nc5 10.Nc3 e6 11.Be2 Be7 12.0–0 Nf6 13.h3 h6 14.g4 Nfe4 15.Qc2 Bh4 16.d4 Nc3 17.Bc3 Ne4 18.Bd3 d5 19.Ne5 0–0 20.Be4 de4 21.Bb2 Bd5 22.Qd2 Bf6 23.Nc6 Qd7 24.Rac1 Rfc8 25.Ne5 Be5 26.fe5 Rc1 27.Rc1 Rc8 28.Ba3 Rc4 29.Rc4 Bc4 30.Bd6 Bd5 31.Qc3 g6 32.Qc7 Qc7 33.Bc7 Bb3 34.Bb6 Ba4 35.Ba5 Bb5 36.Kf2 Bc6 37.Kg3 Kg7 38.Kf4 g5 39.Kg3 Kg6 40.Bd8 h5 41.h4 gh4 42.Kh4 hg4 43.Kg4 Bd5 44.Bf6 Bc6 45.Kf4 Bd5 46.Kg4 Bc6 47.Kf4 Bd5 48.Kg4 ˝–˝. jura1946 – nautilus2009, kurnik, 2012.

3.a4 e5 4.Bb2 Nf6 5.b5 Be7 6.Nf3 0–0 7.e3 ab5 8.ab5 Ra1 9.Ba1 Nbd7 10.Nc3 c6 11.Be2 Nc5 12.0–0 Bf5 13.d4 ed4 14.Nd4 Bd7 15.Bf3 Qc8 16.Qc2 Re8 17.Nde2 Bf8 18.Ng3 Bg4 19.bc6 bc6 20.Bg4 Qg4 21.h3 Qe6 22.Nce2 Ra8 23.Nf4 Qe7 24.Nf5 Qd8 25.Qc3 Nce4 26.Qd4 c5 27.Qd3 Qd7 28.Ng3 Ng3 29.fg3 Ne8 30.Nh5 g6 31.Qc3 Ra1 32.Qa1 gh5 33.Qd1 Qe6 34.Qh5 Qe3 35.Kh2 Qe6 36.Qg5 Bg7 37.Qf4 h6 38.h4 Nf6 39.Qf3 Ng4 40.Kg1 Bd4 41.Kh1 Ne5 42.Qf5 Qf5 43.Rf5 Nc4 44.g4 Kg7 45.g3 Ne5 46.Rf4 Be3 47.Re4 Bd4 48.Kg2 d5 49.Rf4 f6 50.Kh3 Be3 51.Rf1 c4 52.Ra1 d4 53.Ra7 Nf7 54.Kg2 c3 55.Rc7 Bd2 56.Kf2 Kf8 57.Ke2 Ne5 0–1. avinoam (1645) – 1fcpetrzka (1835), kurnik, 2012.

3.Bb2 Nd7 4.e3 b6 5.Nf3 Bb7 6.d4 Ngf6 7.Be2 g6 8.Nbd2 Bg7 9.0–0 0–0 10.Qc2 c5 11.dc5 dc5 12.b5 ab5 13.cb5 Qe8 14.a4 e5 15.Rfd1 e4 16.Ng5 h6 17.Nh3 Ne5 18.Nc4 Nc4 19.Bc4 Rd8 20.Nf4 Rd1 21.Rd1 Qe7 22.Ng6 Qc7 23.Nf8 Kf8 24.g3 h5 25.h4 Qe7 26.Qd2 Ng4 27.Qd8 Qd8 28.Rd8 Ke7 29.Rd2 Bb2 30.Rb2 f5 31.Rd2 Bc8 32.Bd5 Ne5 33.Bc6 Nf3 34.Kf1 Nd2 35.Ke2 Nc4 36.f3 ef3 37.Kf3 Nb2 38.e4 Na4 39.ef5 Bf5 40.Kf4 Bg4 41.Bf3 Bf3 42.Kf3 c4 43.g4 hg4 44.Kg4 c3 45.h5 Kf7 46.h6 c2 47.Kf3 c1Q 48.Ke4 Qh6 0–1. barborski (1635) – golfx, kurnik, 2012.

2.c4 e5

3.a3 Nf6 =+.

3.Bb2 Nc6 4.b5 ab5 5.cb5 Nb8 (5...Na7!?=) 6.Be5+= Nf6 7.Bb2 Bb4 8.a4 0–0 9.Qb3 Ba5 (9...Qe7 10.Qf3 Ne4 11.Nc3+=) 10.e3 d5 11.Nf3 Bg4 12.Be2 c5 (12...Nbd7 13.0–0+=) 13.Nc3 (13.bc6 Nc6 14.0–0 Qe7+/–) 13...d4 14.ed4 cd4 15.Na2 (15.Nb1 Re8 16.Nd4 Bb6+=) 15...d3 (better is 15...Ne4!? 16.Rd1 Re8+=) 16.Qd3+/– Qd3 17.Bd3 Bf3 (17...Re8 18.Kd1 Nbd7 19.h3 Bf3 20.gf3+/–) 18.gf3 Re8 19.Kd1 Nbd7 20.Bf6 Nf6 21.Nc3 Rad8 22.Kc2 Nd5 23.Nd5 Rd5+= 24.Rad1?? Rc8–+ 25.Kb3 Rd3 26.Kb2 g6 27.Rhe1 Rf3 28.Re7 b6 29.Re2 Rc4 30.Ra1 Rd3 31.Ra3 Rd2 32.Rd2 Bd2 33.Rd3 Bf4 34.Kb3 Rc5 35.h3 Kg7 36.Rd4 Be5 37.Re4 f5 38.Re2 Kf6 39.Kb4 Rc3 40.a5?? ba5–+ 41.Ka5 Rh3 42.b6 Ra3 43.Kb4 Bd6 44.Kb5 Rb3 45.Kc6 Be5 46.b7 g5 47.Rd2 h5 48.Rd8 g4 49.Rf8 Kg5 50.Kd5 Bf4 51.Kc6 h4 52.b8Q Bb8 53.Rg8 Kf4 54.Kd5 h3 55.Rf8 Rb4 56.Rh8 1–0. alfons78 – wpajr, kurnik, 2011.

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.c4 a6).

3.b5 (--> 1.b4 e5 2.b5 a6 3.c4).

3.c5 c6 4.e4 d6 5.Bc4 (5.d4 dc5 6.de5 Qd1 7.Kd1 cb4–/+) 5...d5 (5...dc5 6.Qh5 Qe7 7.bc5–/+) 6.Bb3 (6.ed5 cd5 7.Be2 Nc6+=) 6...Nf6 (6...de4 7.Qh5 Qe7 8.Nc3–/+) 7.d3 (7.ed5!? Nd5 8.Qh5+=) 7...de4–/+ 8.Bb2 Bg4 9.Bf7? (better is 9.f3 ef3 10.Nf3–/+) 9...Kf7–+ 10.Qb3 (10.f3 ef3 11.Nf3 Nbd7–+) 10...Be6 11.Qd1 ed3 (better is 11...b6!? 12.Be5 bc5 13.bc5 Qd3 14.Bf6 Qd1 15.Kd1 gf6 16.Nd2–+) 12.Nf3 e4 13.Ne5 Ke7 14.Nd2 Nbd7 15.0–0 Qc7 16.Ne4 Ne5 17.Be5 Qe5 18.Qd3 Ne4 19.Rae1 Bf5 20.f4 Qe6 21.g4 Qg6 22.h3 h5 23.Qd6 Kf7 24.Qc7 Be7 25.g5 Bh3 26.Rf3 Rac8 27.f5 Qg5 28.Kh2 Qg2# 0–1. MARYMARY – donny60, ChessWorld.net, 2011.

3.c5 Nc6!? –/+.

3.c5 g6 4.Bb2 Bg7 5.f4 Nh6 6.fe5 0–0 7.d4 d5 8.Nf3 Ng4 9.g3 Ne3 10.Qd2 Nc4 11.Qc3 Bg4 12.Bg2 Re8 13.Bc1 Nc6 14.Ng5?? f6 15.Nf3? fe5–+ 16.de5? Bf3 17.Bf3 Be5 18.Qd3 Ba1 19.Na3?? N6e5 20.Nc2?? Nd3 21.Kd1 Nf2 22.Ke1 Nh1 23.Na1 Ng3! 24.Nc2 Nf5 25.a3 Nfe3 26.Ne3 Ne3 27.Kf2 Nc4 28.Bf4 Na3 29.e4 de4 30.Bg4 Qh4 (31.Kf1 Qg4 32.Bg3 Rf8 33.Kg1 e3 34.c6 Rf2 35.cb7 Qd1) 0–1. alarconconsult – rla, internet, 2007.

2.c4 e6

3.a3 b6 4.Bb2 c5 5.Qb3 (5.bc5 bc5 6.e4 Qb6=) 5...Nf6 6.b5 d5 7.d3 d4 8.a4 a5 9.Nd2 Bb7 10.Qd1 Qc7 11.Ndf3 Bd6 12.Nh3 Nbd7 13.g3 h6 14.Bg2 Nh7 (14...g5 15.Nhg1–/+) 15.Bc1 (15.e3 g5 16.Nhg1 g4–/+) 15...Ndf6 (15...g5 16.Nhg1–/+) 16.Bd2 (16.0–0 g5 17.Ne1 Bg2 18.Kg2 g4+=) 16...0–0 (16...g5 17.Nhg1–/+) 17.Qc2 Rae8 18.0–0–0 Bc8 19.Qb2 Bd7 20.Nf4 Ra8 (20...e5 21.Nh3–/+) 21.e3+= Rfc8 22.e4 e5 23.Nd5 Nd5 24.ed5 Bf5 25.Qc2 Nf6 26.Nh4 Bh7 27.Rhe1 Ng4 28.Re2= Re8 29.h3 Nf6 30.g4 Re7 31.Nf5 Bf5 32.gf5 Rae8 33.f3 Nh5 34.h4 Ng3 35.Rf2 h5?? 36.Bh3 f6 37.Rg1 e4 38.fe4+– Ne4 39.de4 Re4 40.Qd1 Rh4 41.Bf1 Bg3 42.Rfg2 Bh2 43.Rh1 Ree4 44.Bd3 (44.Bd3 Re7 45.Be2+–) 1–0. huno – ivan67, kurnik, 2012.

3.a3 b6 4.Bb2 Nf6 5.Nf3 Be7 6.Nc3 0–0 7.e3 c6 8.Be2 a5 9.b5 c5 (9...Bb7 10.0–0=) 10.a4 Bb7 11.d3 Qc7 12.h3 Rd8 13.Qc2 d5 14.cd5 Nd5 15.Nd5 Bd5 16.e4 Bb7 17.0–0 Nd7 18.Rac1 Bf6 19.d4 Qf4 20.Bd3? (20.e5!? Be7 21.Rfd1=) 20...Rac8 (20...cd4!? 21.Nd4 Be5–+) 21.Qb1+= cd4 22.Rc8 Rc8 23.Nd4 (23.Bd4 Bd4 24.Nd4 Nc5–/+) 23...Nc5 24.Ne2 Qg5 25.Bc1 Qe5 26.Bf4 Qh5 27.e5 Nd3 (worse is 27...Be5 28.Ng3 Qh4 29.Be5 Na4 30.Rd1+–) 28.Qd3 Be5? (better is 28...Rd8 29.Qe3 Be7 30.Qb6 Bg2 31.Kg2 Qe2=) 29.Ng3+– Qh4 30.Be5 Qa4? (30...Bd5+–) 31.Qd7 Ba6 (31...Rf8 32.Bd6 Bg2 33.Rc1 Bh3 34.Bf8+–) 32.Rd1 h6 (32...Qd1 33.Qd1 Bb5 34.Qd4+–) 33.ba6 (33.ba6 Qd7 34.Rd7+–) 1–0. Rodriguez,Jean Pierre (1690) – David,Gerard (1610), Cap d'Agde Avenir op, 2008. (=1.c4 a6 2.b4 e6)

3.a3 d5 4.c5 =.

3.a3 Qf6 4.Nc3 d5 5.cd5+= ed5 6.Bb2 Bd6 7.Nf3 c6?? 8.g3 Bg4 9.Bg2 Be5?? 10.0–0?? d4 11.Ne4+/– Qe6 12.Ne5 Qe5 13.d3 Nd7 14.Nd2?? Be2= 15.Qc1 Bf1–+ 16.Kf1 0–0–0 17.Nc4 Qh5?? 18.Bd4 Ndf6?? 19.Bf6 Nf6= 20.Kg1?? Rd3–+ 21.Ne3? Ng4 22.h3?? Ne3 23.fe3 Qg5 24.Kh2 Qe3 25.Qe3 Re3 26.Rf1 f6 27.Ra1 Rhe8 28.Kg1 Rg3 29.Kf2 Ree3 30.Ra2 Ra3 31.Ra3 Ra3 (32.Be4 g6–+) 0–1. guerino (2100) – nwishn (1900), net–chess.com, 2006.

3.Bb2 (--> 1.b4 e6 2.Bb2 a6 3.c4).

3.b5 ab5 4.cb5 c5 5.a4 d5 6.e3 Be7 7.Bb2 Bf6 8.d4 c4 9.Bc3 Ne7 10.Nf3 0–0 11.Be2 b6 12.0–0 Ng6 13.Nbd2 Re8 14.h3 Nd7 15.Ne1 Bb7 16.Nc2 e5 17.de5 Be5 18.Be5 Nde5 19.Nd4 Ne7 20.f4 N5g6 21.N2f3 Qd7 22.g3 Nf5 23.Nf5 Qf5 24.Kg2 Re3 25.Nd4 Qf6 26.Bf3 Ne7 27.Nc2 Rf3 28.Kf3 d4 29.Kf2 d3 30.Ne3 Qd4 31.Re1 Nf5 32.g4 Ne3 33.Re3 Re8 34.Qd2 Re3 35.Qe3 Qb2 36.Kg3 g6 37.Qe8 Kg7 38.Qe5 Qe5 39.fe5 c3 40.Kf2 c2 41.Ke3 Be4 42.Kd2 f5 43.a5 ba5 44.Ra5 Kf7 45.Ra6 fg4 46.hg4 h5 47.gh5 gh5 48.Rh6 Bg6 49.e6 Kg7 50.Rg6 Kg6 51.b6 Kf6 52.b7 h4 53.b8Q h3 54.Qh8 Ke6 55.Qh3 Kd5 56.Qd3 Ke5 57.Qc2 Kd5 58.Qd3 Ke5 59.Ke3 Ke6 60.Qd4 Kf5 61.Qe4 Kf6 62.Kf4 Kf7 63.Qe5 Kg6 64.Qf5 Kg7 65.Kg5 Kg8 66.Qf6 Kh7 ˝–˝. popovicigelu – cieciura, kurnik, 2012.

3.b5 ab5 4.cb5 d5 5.Bb2 Bd7 6.a4 Nf6 7.e3 c6 8.f4 Nh5 9.Nf3 Nf4 10.ef4 Qc7 11.Be5 Qb6 12.Nc3 f6 13.Bd4 c5 14.Bf2 d4 15.Ne4 f5 16.Neg5 h6 17.Nh3 Be7 18.Ne5 Bf6 19.Qh5 Ke7 20.Ng6 Kd8 21.Nh8 Be8 22.Qf3 Ke7 23.Bc4 Kf8 24.Qe2 d3 25.Qd3 Ba1 26.0–0 Bd4 27.Bd4 cd4 28.Re1 Kg8 29.Re6 Qd8 30.Rh6 1–0. jura1946 – beginner123, kurnik, 2012.

3.b5 ab5 4.cb5 Qf6 5.Nc3 Bc5 6.Nf3 d5 7.Bb2 Qe7 8.Qc2 Nf6 9.e3 0–0 10.d4 Bb4 11.Bd3 Re8 12.0–0 Bc3 13.Bc3 c5 14.dc5 Qc5 15.Bf6 Qc2 16.Bc2 gf6 17.a4 Kf8 18.a5 h6 19.Nd4 Bd7 20.Bd3 Ke7 21.Rfc1 e5 22.Nf5 Bf5 23.Bf5 Nd7 24.Rc7 Red8 25.Rb7 Ke8 26.Bd7 Rd7 27.Rd7 Kd7 28.b6 Kc6 29.Kf1 f5 30.Ke2 Kb7 31.Kf3 f6 32.Kg3 Rg8 33.Kh3 h5 34.Kh4 Rg2 35.a6 Kb6 36.a7 Rh2 37.Kg3 Rh1 38.a8Q Ra1 39.Qa1 Kc6 40.f4 e4 41.Qf6 Kc5 42.Qf5 Kc4 43.Qh5 d4 44.Qf7 Kd3 45.Qb3 Kd2 46.ed4 e3 47.d5 e2 48.Qb2 Kd1 49.Qe2 Ke2 50.d6 1–0. popovicigelu – profutm, kurnik, 2012.

3.b5 ab5 4.cb5 h6 5.Bb2 Ne7 6.e3 d6 7.Nf3 Rg8 8.Be2 g5 9.h3 Ng6 10.0–0 Bg7 11.Bg7 Rg7 12.d4 h5 13.Nh2 g4 14.hg4 hg4 15.Bg4 Qh4 16.Bh3 Rh7 17.Nf3 Qh6 18.Nbd2 e5 19.Re1 Bh3 20.g3 Bg4 21.Kf1 Qh1 22.Ke2 Qf3 23.Nf3 e4 24.Kd2 Bf3 25.Qc2 Kd8 26.Rac1 c6 27.Qb3 Ne7 28.bc6 Nbc6 29.Qb7 Rb8 30.Qa6 Rb2 31.Rc2 Rc2 32.Kc2 Nb4 33.Kb3 Na6 34.Rc1 Rh2 35.Rc2 Bd1 0–1. avinoam (1655) – 88robinho88, kurnik, 2012.

3.Nf3 Nc6 4.a3= Nf6 5.Nc3 Ng4 6.Ne4 d5+= 7.Neg5 Qf6 8.Bb2?? Nf2 9.Kf2?? Qf5?? 10.e3 h6 11.Nh3 e5 12.Be2 a5?? 13.Re1 e4 14.Nf4?? ab4? 15.Nh4 Qf6?? 16.Bf6 gf6 17.Nd5 Bd6 18.Nf6 Kf8 19.Ne4 Be5 20.d4 Bh2 21.Nf3 Bd6 22.Nfd2 ba3 23.Nc3 Bb4 24.Nd5 Ba5 25.Ra3 Rg8 26.Rh1 Rg6 27.Bh5 Rg5 28.Bf3 Rf5 29.Rh6 Nb4 30.Ne4 Ra6 31.Rh8 Kg7 32.Qh1 Nc2 33.Qh7# 1–0. Mphilliber – cubs_fan_1, ChessWorld.net, 2011.

2.e3 b5

3.d4 Bb7 4.Nf3 d6 5.c4 c6 6.c5 d5 7.a4 Nd7 8.Qc2 g6 9.ab5 ab5 10.Ra8 Qa8 11.Bd3 Bg7 12.Bd2 Ngf6 13.0–0 0–0 14.Ne5 Qc8 15.Nc3 Qc7 16.f4 Ra8 17.Bb5 cb5 18.Nb5 Qc8 19.Nc3 Ne5 20.fe5 Ne4 21.Ne4 de4 22.b5 Bd5 23.c6 e6 24.Bb4 Rb8 25.Qe2 Qc7 26.Bd6 Qb6 27.Bb8 Qb8 28.Rc1 Qc7 29.Qb2 h6 30.b6 Qc6 31.Rc6 Bc6 32.Qc3 Bb7 33.Qc7 Bd5 34.b7 Bb7 35.Qb7 Bf8 36.Qc8 Kg7 37.Qd7 Kg8 38.d5 ed5 39.Qd5 Kg7 40.Qd8 Kg8 41.Qf6 Bg7 42.Qe7 Bf8 43.Qe8 Kg7 44.e6 fe6 45.Qe6 h5 0–1. varin123 – piernodoyuna, kurnik, 2012.

3.d4 Bb7 4.Nf3 Nf6 5.c4 e6 6.c5 d6 7.a3 dc5 8.bc5 Be7 9.Bd3 0–0 10.Bb2 Nbd7 11.Nbd2 Nc5 12.Bc2 Nce4 13.0–0 Nd2 14.Qd2 Bf3 15.gf3 Qd5 16.e4 Qh5 17.Qe2 Rfd8 18.Kh1 Ne8 19.Rg1 Bf6 20.e5 Be7 21.Rg4 c5 22.Rag1 g6 23.Qe4 c4 24.Bc3 Ng7 25.Bb4 Bb4 26.ab4 Qh6 27.Rh4 Qd2 28.Rh7 Kh7 29.Rg6 fg6 30.Qg6 Kg8 31.Qh7 Kf8 32.Qh8 Kf7 33.Bg6 Kg6 0–1. varin123 – roman2371, kurnik, 2012.

2.e3 e5

3.Bb2!? =.

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.e3 a6).

3.g3 Bb4–/+ 4.Qg4 Bf8 5.Nf3 d6–+ 6.Qh5 Nf6 7.Qh4 Be7 8.Bh3?? Nd5 9.Qh5? 0–0 10.Bf5?? Bf5 11.Qf5 c5 12.h4 Bf6 13.g4?? Ne7–+ 14.Qd3 g6 15.g5?? Bg7 16.h5?? Nbc6 17.hg6 Ng6 18.Nh4?? Nb4 19.Qe2?? Qg5 20.Nf3 Qf6 21.Bb2 Nc2 22.Kf1 Na1 23.Ba1 Qe6 24.Ng5 Qa2 25.Rh7 Qa1 26.Qh5 Qb1 27.Kg2 Qf5 28.Rh8 Bh8 29.Qh7# 1–0. steelballs – gera, Caissa.com, 2004.

2.e4 b5

3.a4 ba4 4.c4 (4.Ra4 e6+=) 4...Bb7 5.d3 d6 (5...e5 6.Ra4 Bc6 7.b5 ab5 8.cb5 Ra4 9.Qa4=) 6.Qa4+= Nd7 7.Be2 g6 8.Bb2 Ngf6 9.g4 h6 10.h4 g5?? (better is 10...Bg7=) 11.hg5+– Bg7 (11...Ne4 12.de4 e5 13.Nc3 Qg5 14.Nd5+–) 12.gf6 Bf6 13.f4 Bb2= 14.Ra2 Bg7 15.Nf3 White plans g5 15...e5 16.g5 hg5 17.Rh8= Bh8 18.fg5 c6 19.Bf1 f6 20.Bh3 fg5+= 21.Rg2 Bf6 22.Qd1 Qe7 23.Ke2 0–0–0 24.b5 Rh8 25.Bf5 Kc7 26.ba6 Ba6 27.Qa4 Nc5 28.Qa5 Kb7 29.Nc3 Ra8 30.Ke3 Qc7?? 31.Rb2+– Ka7?? 32.Qc7 Bb7 33.Bd7 g4 34.Bc6 Rb8 35.Bb7 Rb7 36.Rb7 Nb7+– 37.Nb5 Ka6 38.Ne1 g3 39.Kf3 Bg5 40.Nd6 Nd6+– 41.Qd6 Ka7 42.Qe5 Bd2 43.Ng2 Bb4 44.Qc7 Ka6 45.c5 Bc3 46.Qb6# 1–0. kotwielki – golfx, kurnik, 2012. (=1.e4 a6 2.b4)

3.a4 Bb7 4.Nc3 e6 5.ab5 Bb4 6.ba6 Na6 7.Bb2 Qh4 8.Nf3 Qh6 (8...Qg4 9.Ra4 c5 10.h3+–) 9.Nb5 (9.Ra4!?+/–) 9...Kd8 10.Ne5 Nf6?? (better is 10...Qf4 11.Bd3 Nh6+=) 11.Nf7+– Kc8 (11...Ke7 12.Nh6 gh6 13.Bf6 Kf6 14.e5 Ke5 15.Qh5 Kf6 16.Qh6 Kf7 17.Qf4 Kg8 18.Nc7 Nc7 19.Ra8 Ba8 20.Qc7+–) 12.Nh6 Rf8 13.f3 (better is 13.Bf6 Rf6 14.Qh5 Rf8+–) 13...gh6 14.Nd4 1–0. Nasikan,Nikolai – Butsenko,Leonid, Kurass Memorial op, 2003. (=1.e4 a6 2.b4 b5)

3.a4 c6 4.ab5+= cb5 5.Bb2 (5.Bb5!? Qb6 6.Qe2+=) 5...Bb7= 6.d3 d6 7.Qg4 Nf6 8.Qg3 Nbd7 9.Nf3 g6 10.e5 (10.Be2 Bg7 11.c3 d5+=) 10...de5 11.Ne5 Ne5 12.Be5 Bg7 13.Be2 Rc8 14.c3 0–0 15.0–0 Nh5 (15...Qd7 16.Re1+=) 16.Qe3 (16.Bh5!? Be5 17.Qe5 gh5 18.d4+/–) 16...Nf6+= 17.f4 e6 18.g4 Qd7 19.g5 Nd5 20.Qd4 Be5 21.Qe5 Qe7 22.Bf3= Rfd8 23.h4 f6 24.gf6+/– Qf6?? 25.Qf6+– Nf6 26.Be4 Be4 27.de4 Rd3 28.e5= Ne4 The pressure on the backward pawn c3 grows 29.Re1 Nc3+= 30.Nc3 Rcc3 31.Rac1 Rc1–+ 32.Rc1 Rd4 33.Rc8 Kg7 34.Rc7 Kh6 35.Rf7 Rb4 36.Rf6 a5 37.Re6 Rf4 38.Ra6 a4 39.Ra5 Rh4 40.Rb5 Re4 41.Ra5 a3! 42.Kf2 a2! 43.Kf3 Re1 44.Ra2 Re5 45.Kf4 Rf5 46.Kg4 Rc5 47.Rh2 Kg7 48.Rf2 Rc4 49.Kg3 h5 50.Rf1 g5 Black intends h4 51.Rf5 Kg6 52.Rd5 Rc3 53.Kg2 h4 54.Rd6 Kh5 55.Rd8 Rc2 56.Kf3 g4 57.Kf4 Rc4 58.Kf5–/+ Rc5 59.Kf4 g3 60.Rh8 Kg6 61.Rh4 Rc4 62.Kg3 Rc3 63.Kf2 Rc2 64.Ke3 Rc3 65.Kd4 Rg3 66.Rh8 Kg7 67.Rh1 Kg6 68.Rf1 Kg5 69.Ke4 Kg6 70.Rf4 Kg5 71.Rf5 Kg4 72.Rf4 Kg5 73.Rf8 Rg4 74.Ke5 Ra4 75.Rg8 Kh6 76.Kf6 Ra6 77.Kf5 Ra5 78.Ke4 Ra4 79.Kd3 Ra3 80.Kc2 Ra2 81.Kb3 Rf2 82.Kc3 Rf3 83.Kd4 Rf4 84.Ke5 Rf2 85.Rh8 Kg7 86.Rh3 Re2 87.Kf4 Rb2 88.Rg3 Kf7 89.Re3 Rb4 90.Kf3 Rb5 91.Ke2 Rb2 92.Kd3 Rb3 93.Kd2 Rb2 94.Kc3 Rg2 95.Rf3 Ke6 96.Re3 Kd6 97.Rh3 Ke6 98.Rh6 Kf5 99.Rh5 Kg6 100.Rh8 Kg7 101.Re8 1–0. miras62 – golfx, kurnik, 2012.

3.a4 c6 4.ab5+= cb5 5.Bb5 Bb7 6.Be2 Be4 7.Nc3?? (better is 7.Nf3+=) 7...Bg2–+ 8.Bf3 Bh1 9.Bh1 Nc6 10.b5 (10.Bc6 dc6 11.Qf3 Qc8–+) 10...ab5 11.Ra8 Qa8 12.Nb5 Qb7 (better is 12...Qb8!? 13.Bc6 dc6 14.Nd4 Qe5 15.Nde2 Qh2 16.Bb2–+) 13.c4 Nf6 14.Bb2 Qb6 15.Qf3 Qc5 16.Qd3 (16.Qe2 e6–+) 16...e6 (16...Ne5 17.Qf5 Nfg4 18.d4 Qc4 19.de5 Qb5 20.Qc2 Qa5 21.Bc3–+) 17.Ne2?! (17.Bc6 Qc6 (17...dc6?? 18.Nc7 Ke7 19.Ba3 Qa3 20.Qa3 Kd8 21.Qa5+–) 18.Bf6 gf6–+) 17...Be7 (17...Ne5!? 18.Qg3 Nfg4 19.Be5 Qe5 20.d4 Bb4 21.Kf1 Nh2 22.Kg2 Qe2 23.Kh2–+) 18.Nc7 Kf8 (18...Kd8 19.Nb5 Nb4 20.Qg3–+) 19.Nb5 (19.Bf6 gf6 (worse is 19...Bf6 20.Qd7 g6 21.Qc6 Qc6 22.Bc6+=) 20.f4 Rg8–+) 19...d5 20.cd5 (20.Na3 Nb4 21.Qc3 Qd6–+) 20...Nd5 (better is 20...Nb4 21.Qg3 Qb5–+) 21.Qg3 Kg8?? (better is 21...Nf6 22.Qc7 Nb4 23.Qb8 Ne8–+) 22.Qg7# 1–0. golemxiv – golfx, kurnik, 2011.

3.a4 e5 4.h4 (4.c3 Bb7=) 4...c5 (4...Bb4 5.ab5 Nf6+=) 5.a5 (better is 5.ab5 cb4 6.Bb2+=) 5...cb4–/+ 6.Nh3 Bc5 7.Ng5 d5 8.d3 (8.ed5 Nf6–/+) 8...Ba7 (8...f6!? 9.Nh3 Bd4 10.Ra2–+) 9.Nd2 h6 10.Ngf3 f6 11.g4 (11.ed5 Ne7–/+) 11...Qc7 12.ed5 Qc5 13.g5?? (better is 13.Ne4 Qd5 14.Nfd2–/+) 13…Qf2 0–1. redferarri – Eries, ChessWorld.net, 2011.

3.Bb2 (--> 1.b4 b5 2.Bb2 a6 3.e4).

3.c4 Bb7 4.cb5 ab5 5.f3 c6 6.a4 ba4 7.Ra4 Ra4 8.Qa4 Nf6 9.b5 cb5 10.Bb5 g6 11.Ne2 Bg7 12.0–0 0–0 13.d4 Qb6 14.Be3 Bc6 15.Bc6 dc6 16.Nd2 Qb5 (16...Qa6!? 17.Qa6 Na6+/–) 17.Qb5+– cb5 18.Nb3 (18.Rb1!?+–) 18...Rd8 19.Nc3 White plans d5 (better is 19.Rb1 Ne8 20.d5+/–) 19...Nh5? (better is 19...b4 20.Nb5 e6+=) 20.Nb5+– Nc6 21.d5 Ne5 22.Bd4 e6 23.d6 Nc4 24.Bg7 Kg7 25.Rd1 Nf6 26.Kf2 Ne8 27.d7 Nf6 28.Nc5 Nb6 29.Ke3?? Nbd7 30.Nd7 Rd7 31.Rd7 Nd7 32.f4 f5 33.e5 Nb6 34.Kd4 Nd5 35.g3 h6 36.Kc5 g5 37.fg5 hg5 38.Kd6 Kf7 39.Nd4 Ne3 40.Ne6 g4?? 41.Nf4 Nf1?? 42.e6 Ke8 43.Nh5 Nh2 44.Ng7 Kf8 45.Nf5 Nf1 46.e7 Ke8 47.Ng7 Kf7+– 48.e8Q Kg7 49.Qe5 Kg6 50.Qf4 Nh2 51.Qe4 Kg5 52.Qf4 Kg6 53.Ke5 Kh5 54.Kf6 Nf3 55.Qf5 Kh6 56.Qg6# 1–0. rybaktr – golfx, kurnik, 2012.

3.c4 Bb7 4.c5 Be4 5.d3 Bb7 6.d4 g6 7.d5?? (better is 7.a4+=) 7...Bg7–+ 8.c6 (8.Ne2 Ba1 9.Nbc3 e5–+) 8...dc6 9.dc6 Nc6 10.Qd8 Rd8 11.Nf3 Ba1 12.Nbd2 Nb4 13.Be2 Nc2 14.Kd1 Bf3 15.Kc2 Bg2 16.Rg1 Bc6 17.Ba3 Bf6 18.Nb3 Be4 19.Kc1 Nh6 20.Nc5 Bc6 21.Na6 0–0 22.Nc7 Rc8 23.Nb5 Bb5 24.Kd1 Be2 25.Ke2 Ra8 26.Bc5 Ra2 27.Kf3 Rc8 28.Be3 Rc3 29.Rd1 Nf5 30.Rd8 Kg7 31.h3 e6 32.Kg4 Ne3 33.fe3 Bd8 34.e4 Rg2 35.Kf4 Rh3 36.e5 Bc7 37.Ke4 Rh4 38.Kf3 Ra2 39.Kg3 Rb4 40.Kf3 Ra3 41.Ke2 Rb2 42.Kd1 Ra1# 0–1. zatyczka28 – wk1234, kurnik, 2012.

3.c4 Bb7 4.f3 d6 (4...e6!? 5.cb5 Be4 6.ba6 Na6 7.Ba6 Bb1=) 5.d4 (5.cb5 e5+/–) 5...c6 6.Bf4 (6.Nc3 Nf6+=) 6...Nd7 7.Bg3 g6 8.Nh3 Bg7 9.Nf2 (9.Bf2 Ngf6=) 9...Ngf6 (9...c5!? 10.Nd2 Bd4–/+) 10.Nd2= 0–0 11.Rb1 e5 12.d5 cd5 13.cd5 Nb6 14.Bd3 Na4 15.Qc2 Rc8+= 16.Qd1? Nc3–+ 17.Qc1 Nb1 18.Qb1 Qb6 19.0–0 Qe3 20.Nb3 Rc7 21.Re1 Qb6 22.h3 Rfc8 23.Kh2 Rc3?? 24.Be2?? Nh5–+ 25.Ng4? Ng3 26.Kg3 f5! 27.ef5 gf5 28.Na5?? fg4 29.Nb7 Qb7 30.Qf5 Qf7 31.Qg4 Rc1 32.Bd3 Re1 33.Qc8 Qf8 34.Qg4 Qf4! 35.Qf4 ef4 36.Kf4 Be5 37.Kf5 Kg7 38.f4 Bc3 39.a3 Bb2 0–1. bigiel52 – golfx, kurnik, 2011.

3.c4 c6 4.c5 e5 5.d4 d6 6.d5 (better is 6.de5 dc5 7.Qd8 Kd8 8.a4=) 6...dc5–/+ 7.Nc3 (better is 7.Bb2!?–/+) 7...cb4–+ 8.Nce2 Nf6 9.Nf3 Ne4 10.Ne5 b3 (10...b3 11.Qd4 cd5–+; worse is 10...cd5 11.Be3–+) 0–1. benjaminhaskins – ecperreault (2295), net–chess.com, 2011.

3.Ne2 Bb7 4.Ng3 e6 5.c3 (5.a4 Nf6=) 5...c5 (5...d5!?=) 6.bc5+= Bc5 7.d4 Be7 8.Nd2 d5 9.e5 Nh6 (9...Qc7 10.Qf3=) 10.Be2 (10.a4 b4+=) 10...0–0 11.h3 (11.a4 Qc7 12.Nb1 f6 13.Bh6 gh6 14.ef6 Bf6 15.ab5 e5+=) 11...f5 12.Nf3 Nf7 13.0–0 Nc6 14.a3 Na5=+ 15.Rb1 Nc4 16.a4 Bc6 17.ab5 Bb5 18.Ra1 Qc7 19.Nd2 Ng5 20.Nc4= Bc4 21.Bc4 Qc4 22.Bg5 Bg5 23.Qh5 Bh6 24.Rab1 Ra7 25.Rb6 Qc3 26.Re6=. guest1207 – guest744_jjirous, ICC, 2000.

3.Nf3 Bb7 4.Nc3 d6 5.d4 Nd7 6.a3 c5 7.Be2 cd4 8.Qd4 Ngf6 9.Bb2 g6 10.Qd3 Bg7 11.Nd5 0–0 12.Nf6 Nf6 13.0–0 (better is 13.Nd2!?+=) 13...Be4–/+ 14.Qd2 Bb7 15.Rfd1 (15.Bd4 Qc7–/+) 15...Rc8 (15...Ne4 16.Qc1 Qb6 17.Rf1–+) 16.Bd3 Qd7 17.Ne1 e5 18.Qe2? (18.Rac1 Qe6–/+) 18...Rc7 (18...e4 19.a4 ed3 20.Qd3–+) 19.Rab1? (19.f3 Nd5 20.Qd2 f5–/+) 19...Rfc8 (better is 19...e4–+) 20.f3 Qe6 Black prepares e4 21.Kh1 d5 22.Qf2? e4 23.fe4 de4 24.Bf6? Qf6 25.Qf6 Bf6 26.Bf1 e3 27.Rd7 Rd7 28.Nf3 Rc2 29.Re1 Bf3 30.gf3 Rdd2 31.Re3 Rh2 32.Kg1 Bd4 33.a4 Be3# 0–1. obrad – golfx, kurnik, 2012.

3.Nf3 Bb7 4.Nc3 d6 5.d4 Nd7 6.Bd3 c5 7.bc5 dc5 8.d5 c4 9.Be2 Ngf6 10.a3 g6 (10...e6 11.de6 fe6 12.Nd4+=) 11.0–0 Bg7 12.Rb1 0–0 13.Bb2 Nc5 14.Na2 (better is 14.Re1!?+=) 14...Nce4–/+ 15.Qd4 (better is 15.Bc4!? Rc8 16.Bb3–/+) 15...Qd5–+ 16.Qb6 Qc6 17.Qe3 e6 18.Rbd1? (18.Ne5 Qc7 19.Bf3 Rad8–+) 18...Rfd8 (better is 18...Ng4!? 19.Qf4 Bb2 20.Qg4–+) 19.Ne5 Qc5 20.Qh3?? (20.Bd4 Rd4! 21.Qd4 Qa3 22.Qb6–+) 20...c3! 21.Ba1 Qe5 22.f3 Qc5 23.Kh1 Nf2 24.Rf2 Qf2 25.Bd3 Nh5 26.Bc3 Nf4 27.Qg3 Qg3 28.hg3 Nd3 29.cd3 Rd7 30.Bg7 Kg7 31.Nc1 Rad8 32.Kh2 a5 33.Rd2 b4 34.ab4 ab4 35.Rb2 Ba6 36.Rb4 Bd3 37.Nd3 Rd3 38.Rb2 Rd2 39.Rb7 Ra2 40.Rb1 Rdd2 41.Rg1 f5 42.Kh3 e5 43.Kh2 h5 44.Kh3 g5 45.Kh2 e4 46.fe4 fe4 47.Kh3 g4 48.Kh4 Kg6 49.Rf1 Rg2 50.Rf6 Kg7 51.Re6 Rh2 52.Kg5 Ra5 53.Kf4 Ra4 0–1. obrad – golfx, kurnik, 2012.

3.Nf3 Bb7 4.Nc3 e6 5.a3 h6 (5...Nf6 6.e5 Nd5 7.Nd5 Bd5 8.d4=) 6.d4+= Bc6 7.d5 Bb7 8.de6 de6 9.Qd8 Kd8 10.Bd3 f6 (10...c5!? 11.Rb1 Nf6 12.bc5 Bc5+=) 11.Be3+/– e5 12.0–0 f5? (better is 12...c5 13.bc5 Nd7+/–) 13.Ne5+– Ke8 14.ef5 Nf6 15.f3 (15.Ng6 Rh7+–) 15...Bd6 16.Ng4 (16.Ng6 Rg8+–) 16...h5 17.Nf6 gf6 18.Bd4 Kf7 19.Ne4 Nc6 20.Nd6 cd6 21.Bc3 Ne5 22.Be5 de5 23.c4 Bc6 24.c5 Rag8 25.g3 Rg5 26.Be4 Be4 27.fe4 h4 28.Rf3 hg3 29.hg3 Rh4 30.Kf2 Re4+/– 31.Rd1 a5 32.ba5+– Ra4 33.Rd7 Ke8 34.c6 Ra5 35.Rfd3 Rf5 36.Ke2 Ra8 37.c7 (37.c7 e4 38.Rd8 Ke7 39.R3d7 Ke6 40.Ra8+–) 1–0. larniletter – xorb, ChessWorld.net, 2010.

2.e4 d5

3.ed5 Qd5 4.Nc3 Qe6 5.Be2 b5 6.Nf3+= Bb7 7.0–0 Nf6 8.Ng5 Qc8 9.Bf3 c6 10.d4 h6 11.Nge4+/– Ne4 12.Be4 e6+= 13.Bf4 Bb4=+ 14.Ne2 Nd7 15.c3 Ba5 16.a4 Bb6 17.a5 Ba7 18.Bd6 Bb8 19.Bb4 Qc7 20.Ng3 Nf6 21.Bf3 Ba7 22.Re1 Rd8 23.Qb3 Rd7 24.Rad1 Bc8 25.c4 Bd4=+ 26.cb5 ab5 27.Rc1 c5 28.Bc3 Ba6 29.Ne2? c4 30.Qa3 Bc5 31.Bb4 Bb4 32.Qb4 e5?? 33.Nc3+= Re7 34.Bd5?? 0–0–/+ 35.h3 Rd8 36.Rcd1 Red7–+ 37.Bf3 e4! 38.Be2? Qc6 39.Rd7 Rd7 40.Rd1 Bb7?? 41.Rd7=+ Nd7 42.Bg4? e3! 43.Bf3 ef2 44.Kf2 Qf6 45.Qb5 Bf3 46.gf3 Qc3 47.Qd7–/+ Qa5 48.Qe8 Kh7 49.Qe4 g6 50.Qc4 Qa7 51.Kg3 f5 52.Qc1 Qb8 53.Kg2 g5 54.Qc2 Kg6 55.Qc6–/+ Kh5 56.Qf6 Qf4 57.Qf7? Kh4 (58.Qd5 Qg3 59.Kf1 Qh3 60.Kg1 Kg3–+) 0–1. chess55555 – inaldo, internet, 2007.

3.ed5 Nf6 4.Nc3 Nd5=+ 5.Nd5 Qd5 6.Bb2 e5 7.c4 Qe6=+ 8.a3 a5 9.b5 c5 10.Qe2 Bd6 11.Nf3 Nd7 12.g3 0–0 13.Bg2 Re8 14.0–0 Rb8 15.Ng5 Qe7 16.Ne4 b6 17.Nd6 Qd6 18.f4 Bb7 19.Bb7 Rb7 20.Rad1 f6 21.d3 Kh8 22.fe5 fe5 23.Rf7+/– Qe6 24.Rdf1 Rbb8 25.Qe3 h6 26.Qe4+= Re7? 27.Re7?? Qe7+= 28.Qd5 Rd8 29.Rf7 Qe8 30.Qf3 Kg8 31.Rf5 Qe6 32.Qe4 Re8 33.a4 Rf8 34.Rf8 Kf8 35.Kg2 h5 36.Qf3 Qf7 37.Qf7 (37.Qa8 Ke7=). Krueger,Erich – Roever, corr SOK–87–10, 1987.

2.e4 e5

3.a3 d6 4.h3 (4.Nc3 Nf6=) 4...Nf6 5.Bb2 (5.Nc3 Be7=) 5...Be7 (5...Ne4 6.Qe2 f5 7.Nf3–/+) 6.d3 (6.Nc3 0–0=) 6...Bd7 (6...0–0 7.Nf3+=) 7.Nf3 Ba4 (7...0–0 8.Be2=) 8.Nc3= Qd7 (8...Bc6 9.Be2=) 9.Na4 (9.d4 ed4 10.Nd4 0–0+=) 9...Qa4 10.c4 Qd7 (10...Qd1 11.Rd1 0–0 12.Nh4+=) 11.Be2 Nc6 12.0–0 h6 (12...0–0 13.d4 ed4 14.Bd3+= (worse is 14.Bd4 Ne4 15.Re1 Bf6+=)) 13.Rc1 (13.Re1 0–0+=) 13...0–0 14.Re1 (14.d4+=) 14...b5 (better is 14...Qe6!?+=) 15.cb5 ab5 16.Bf1 Bd8 17.d4+/– Re8?? 18.d5 Na7+/– 19.Nh2 Be7+= 20.Qc2 Rec8 21.Be2 c6 22.dc6 Rc6 23.Qb1 Rac8 24.Bf3 Qc7 25.Rc6 Qc6 26.Rc1 Qb7 27.Rc8 Nc8 28.Ng4 Nb6 29.Nf6 Bf6 30.Bc1 Nc4 31.Be2 d5= 32.ed5 Qd5 33.Bf3 Qd8 34.Qb3 Bg5 35.Bg5+= Qg5 36.a4 Qc1= 37.Qd1 Qd1 38.Bd1 ba4 39.Ba4 Nb6 40.Bc6 f6 41.b5 Kf8 42.f3 Ke7 43.Kf2 Kd6 44.Ke3 f5 45.Kd3 g5 46.g3 Kc5 47.Ke3 Nc4+= 48.Kd3 Nd6 The isolani on b5 becomes a target 49.Bd7 Nb5 50.Bf5= Nd6 51.Bg6 Kd5 52.Be4 Ke6 53.g4 Kf6 54.Ke3 Nc4 55.Kd3 Nb6 56.Ke3 Na4 57.Kd3 Nb6 58.Bc6 Nc8 59.Bd7 Ne7+= 60.Bb5 Ng6 61.Ke4 Nf4 62.Bf1 h5 63.gh5 Nh5 64.Bg2 Ng3 65.Ke3 Kf5–/+ 66.Kf2 Kf4–+ 67.Kg1 Ne2?? 68.Kf1? Ke3–+ 69.Ke1 Ng3 70.Kd1 Kf2 71.h4 gh4 72.f4 ef4 73.Bd5 f3 74.Bc6 h3 75.Bf3 Kf3 76.Ke1 h2 (76...h2 77.Kd2 Ne4 78.Kc1 h1Q 79.Kb2 Qh8 80.Kb3 Qc3 81.Ka4 Qc4 82.Ka5 Nc3 83.Kb6 Nd5 84.Ka5 Qc5 85.Ka4 Qb4#) 0–1. pillsbury (2030) – zekota (2235), net–chess.com, 2010.

3.a3 h5 4.Bb2 d6 5.Bc4 g6 6.d4 Qe7 7.de5 de5 8.Nf3 f6 9.0–0 Bg4 10.Nc3 c6 11.Qd3 Nh6 12.Nh4 Qh7 13.f3 (13.h3 g5 14.Nf3 Bd7+/–) 13...Bd7+= 14.f4 g5 (better is 14...ef4!? 15.Rae1 g5+=) 15.fg5+– fg5 16.Nf5 Bf5 17.ef5 Nd7 18.Ne4 Nf5 (18...0–0–0 19.Rad1 Ng4+–) 19.Ng5 Qg6 (19...Qe7 20.Qf5 0–0–0+–) 20.Bf7 (20.Bf7 Qf7 21.Nf7+– (21.Qf5?! Qf5 22.Rf5 Bh6+/–)) 1–0. Creatchy – 2buddies, ChessWorld.net, 2015.

3.Bb2 Nc6 4.b5 (4.Nf3 d6=) 4...ab5 5.Bb5 d6 (5...Nf6 6.Nf3=) 6.Nc3 (6.d4 Nf6=) 6...Bd7 (6...Qg5 7.Nd5 Qg2 8.Bc6 Kd8 9.Qf3 Qf3 10.Nf3 bc6 11.Nb4=+) 7.Nf3 (7.Nge2 Nf6=) 7...h6 (7...Nf6 8.0–0=) 8.0–0+= Nf6 9.d3 (9.d4 Be7+=) 9...Be7= 10.Nd5 (10.d4 0–0=) 10...Nd5 11.ed5 Nb4 12.Bd7 Qd7 13.c4 Qf5 (13...Qa4 14.Qd2=) 14.Qb3 (14.Ne1 0–0=+ (14...Na2? 15.Qb3+–)) 14...Nd3 15.Rad1? (better is 15.Qb7!? 0–0 16.Bc3=) 15...Nc5–/+ 16.Qb5 Kf8 (16...Qd7 17.a3–/+) 17.Nd2 (17.a3 Kg8–/+) 17...Qc2 18.Nf3 (18.a3 Qa4–/+) 18...Qa4 19.Ne5 (19.Bc3–+) 19...Qb5 20.cb5 de5 21.Be5 Bd6 (< 21...Ra2 22.Ra1 Ra1 23.Ra1–+) 22.Rfe1 (22.Bd6 cd6 23.Rd2 Ra5–+) 22...Ra2 23.Bd6 (23.b6 Be5 24.Re5 cb6–+) 23...cd6 24.Re3 (24.Ra1 Ra1 25.Ra1 Ke7–+) 24...Rb2 25.Rde1 g6 26.g4 (26.h4 Rb5 27.g4 Kg7–+) 26...Rb5 27.h4 Rb4 (28.f4 Rf4–+) 0–1. dale3 – bamboo, Live Game Caissa's Web, 2005.

3.Bb2 Nf6 4.Nf3 =.

3.b5 (--> 1.b4 e5 2.b5 a6 3.e4).

3.c3 d5 4.ed5 Qd5 5.Nf3 =+.

3.c3 d6 4.Bc4 Nf6 5.Qc2 Be7 6.d4 ed4 7.cd4 0–0 8.Nf3 h6 (better is 8...d5 9.ed5 Bb4 10.Bd2 Re8 11.Ne5 Bd2 12.Nd2 b5–/+) 9.Nh4?? (better is 9.Nc3!?=) 9...Ne4 (9...d5!? 10.ed5 Bb4 11.Bd2 Re8 12.Kf1 Bd2 13.Nd2–+) 10.Ng6 Bf5 11.Ne7? Qe7–+ 12.0–0 c6?? 13.Re1? d5–+ 14.Bd3 Nd7 15.f3? Qb4–+ 16.Re3 Qd4 17.fe4 de4 18.Be2?? c5 19.Qc3 Qc3 20.Nc3 Nf6 21.Ba3 b6 22.Rd1 b5?? 23.Bc5+= Rfc8 24.Be7 Ng4+= 25.Bg4 Bg4 26.Rd5 Re8 27.Re4 f5?? 28.Ree5+/– b4? 29.Ne2 Be2 30.Re2 Ra7 31.Rde5 g6 32.Bb4 Rb8 33.Bc3 Rf8 34.Re6 Kh7 35.Re7 Re7 36.Re7 Kg8 37.Rg7 Kh8 38.Rg6 Kh7 39.Ra6 Rc8 40.Bd2 1–0. kirklandlake – Greg1982, ChessWorld.net, 2011.

3.c3 Nf6 4.Qe2 (4.Nf3 Nc6=+) 4...d6 (4...Nc6 5.Nf3=+) 5.h3 (5.Nf3 Be7=+) 5...b5 (5...Be7 6.Nf3=+) 6.d4 (6.a4 ba4 7.Nf3 Bd7=) 6...Be7 (6...ed4 7.cd4 Qe7 8.Nc3=) 7.d5 (7.de5 de5 8.a4 c5=) 7...Bb7 (7...c6 8.dc6 Qc7 9.a4 ba4 10.Qc2=) 8.h4 (8.a4 c6=) 8...h6 (8...c6 9.dc6 Bc6 10.Nd2=+) 9.h5 (9.a4 c6=) 9...Qd7 (9...c6 10.dc6 Nc6 11.a4=+) 10.Rh3 (10.a4 ba4 11.c4 0–0=+) 10...c6 11.a4 ba4 (11...cd5 12.ed5 0–0 13.Rg3–/+) 12.c4=+ cd5 13.cd5 Qc7 (better is 13...0–0=+) 14.Be3?? (better is 14.Rc3 Qd7 15.Rg3=) 14...Ne4–/+ 15.Qg4 (15.Qd3 Nf6 16.Nc3 0–0–+) 15...Ng5–+ 16.Bg5 Bg5 17.Nd2 (better is 17.Rc3 Qd7 18.Qd1–+) 17...Qc3?? (better is 17...Bd5 18.Rd3 Be6–+) 18.Rc3+– Nd7 (18...0–0 19.Bc4+–) 19.b5 (better is 19.Ne4 Bd5 20.Nd6 Ke7 21.Nf5 Kf8 22.Ra4 Nf6 23.Ra6 Rb8+– (23...Ng4?? 24.Ra8 Ba8 25.Rc8 Bd8 26.Rd8)) 19...ab5 (19...Nf6 20.Qa4 0–0 21.ba6 Bd2 22.Kd2 Bd5 23.Ke1+–) 20.Bb5 Rd8 (20...0–0 21.Bd7 Bd5 22.Rd3+–) 21.Rc7 Bc8 22.Rac1 0–0 23.Ngf3 Nf6 24.Qa4 Nd5 25.Ra7 Nf4 26.Ba6 Ng2 27.Kd1 Nf4 28.Ne4 Bg4 29.Rc3 Bh5 30.Bb7 d5 31.Neg5 hg5 32.Ra8 e4? 33.Rcc8 Bf3 34.Kc1 Nd3 35.Kd2 Rc8 36.Bc8 Nc5? 37.Qc2 Nd3 38.Ra5 Rd8? 39.Bb7 Nf4? 40.Bc6 Rc8 41.Qc3 f6?? 42.Qc1 Nd3?? 43.Bd5 Kh7 44.Qc8 Nf2 (45.Qf5 Kh6 46.Ra8 e3 47.Kc3 Nd1 48.Kd4 g6 49.Rh8 Kg7 50.Rg8 Kh6 51.Qg6#) 1–0. Bogdan – crca108, mySchach.de, 2005.

3.d4 Bb4 4.c3 Be7 5.d5 c6 6.dc6 Nc6 7.Nf3 Bc5 8.Be3 Be3 9.fe3 Qb6 10.Bc4 Qe3 11.Qe2 Qc1 12.Qd1 Qe3 13.Be2 Qe4 14.Nbd2 Qg6 15.Nh4 Qf6 16.g3 d5 17.Rf1 Qe6 18.Rf5 Qh6 19.Re5 Ne5 20.Bf1 Nf6 21.Nhf3 Bg4 22.Qa4 b5 23.Qa3 Bf3 24.Qd6 Nfg4 25.Qc5 Nh2 26.Nf3 Nef3 27.Kf2 Qd2 28.Be2 Qb2 29.Qc6 Kf8 30.Qa8 Ke7 31.Qb7 Kf6 32.Qb6 Kg5 33.Rh1 Qc3 34.Rh2 Nh2 35.Qd8 0–1. wee harv – Eries, ChessWorld.net, 2012.

3.d4 ed4 4.Qd4 Nc6 5.Qb2 Bb4 6.Bd2 Bd2 7.Nd2 Qf6 8.c3 (8.Rb1 Qb2 9.Rb2 Nge7–/+) 8...b5 9.Ngf3 Nge7 10.h3 0–0 11.Be2 d5 12.0–0 de4 13.Ne4 Qg6 14.Ng3 Nf5 15.Bd3 Re8?? (better is 15...Qf6=+) 16.Nh4! Qd6 (16...Nh4 17.Bg6) 17.Bf5 b4 (17...Qf6 18.Rfe1 Ne5 19.Be4+–) 18.Bc8 Rac8 19.cb4 Nb4? (19...Qb4 20.Qc1+–) 20.Ngf5 (better is 20.Nhf5 Qf8 21.Nh5+–) 20...Qf6 (20...Qf8+–) 21.Qb4 g5 22.Qg4 (better is 22.Rae1 gh4 23.Ne7 Kh8 24.Nc8 Rc8 25.Rc1+–) 22...Re5 (22...h5 23.Qh5 gh4 24.Qg4 Kf8+–) 23.f4 (better is 23.Nh6 Qh6 24.Qc8 Qf8+–) 23...h5 (23...Ree8 24.fg5 Qb6 25.Rf2+–) 24.Nh6! Kh8 25.Qc8 (25...Kh7 26.Qg8 Kh6 27.fg5 Rg5 28.Rf6 Rg6 29.Rg6 fg6 30.Qg6#) 1–0. pinecrest1981 – Oswaldo, Live Game Caissa's Web, 2004.

3.Nf3 Bb4 4.Bb2 Nc6 5.a3 Bc5 6.Be2 Nh6 7.0–0 d6 8.Bc4 0–0 9.d3 b5 10.Bd5 Bb7 11.Bc1 Rb8 12.Bg5 Ne7 13.Qd2 Bd5 14.ed5 Nhf5 15.h3 f6 16.Bh4 Nd5 17.Bg3 Bd4 18.Nd4 Nd4 19.Qd1 c5 20.Nd2 Nc3 21.Qg4 f5 22.Qh5 Qe8 23.Qe8 Rbe8 24.Kh1 g5 25.Bh2 f4 26.f3 c4 27.dc4 bc4 28.Nc4 Ndb5 29.Bg1 Rb8 30.Rfe1 Rfe8 31.Nd2 d5 32.Nb3 e4 33.fe4 Ne4 34.Kh2 Rbc8 35.Rac1 Na3 36.Bd4 Nc4 37.Ra1 Ra8 38.c3 Re6 39.Ra2 Ne3 40.Be3 fe3 41.Re3 Rc6 42.Nd4 Rc4 43.Ra1 Nc3 44.Ne6 Re4 45.Re4 Ne4 46.Nc7 Ra7 47.Nd5 Kg7 48.Re1 Nd6 49.Re6 Nf5 50.Re5 Rf7 51.g4 Nd6 52.Re6 Rd7 53.Kg3 a5 54.Re5 h6 55.Nb6 Ra7 56.Na4 Nc4 57.Rc5 Nd6 58.Rd5 Ne4 59.Kf3 Nf6 60.Rf5 Kg6 61.Rb5 h5 62.gh5 Nh5 63.Kg4 1–0. stefanW – 488, ChessWorld.net, 2012.

3.Nf3 Bb4 4.c3 Bc5 5.Bc4 d6 6.Bd5 (6.d4 ed4 7.cd4 Bb4 8.Nbd2 Nc6=) 6...h6 (6...Nf6!?–/+) 7.0–0 (7.Qb3 Qf6 8.Bb7 Be6=) 7...Bg4 (better is 7...c6!? 8.Bc4 d5 9.ed5 cd5–/+) 8.d4+= ed4 9.cd4 (worse is 9.Bb7 Ra7 10.Bd5 c6+=) 9...Bf3? (better is 9...Bb6 10.Bb7 Ra7=) 10.Qf3+– Nf6 11.dc5 Nd5 12.ed5 0–0 13.Bh6 gh6 14.cd6 Qd6 15.Nc3 Nd7 16.Rae1 Ne5 17.Qe3 Rae8 18.Ne4 Qd5?? 19.Nf6+– (19.Nf6 Kg7 20.Nd5+–) 1–0. interloper – Eries, ChessWorld.net, 2011.

3.h4 Nf6 4.f3 Nc6 5.a3 b5 6.c4 bc4 7.g4 d5 8.ed5 Qd5 9.g5 Nh5 10.f4 Nf4 11.Rh2 e4 12.Nc3 Qd4 13.Nge2 Nd3# 0–1. dunk0104 – wee harv, ChessWorld.net, 2012.

2.Nf3 Nc6

3.a3 b6 4.Bb2 h5 5.g3 f6 6.Bg2 e5 7.d3 a5 8.b5 Na7 9.c4 (better is 9.Ne5 Rb8 10.Ng6+–) 9...a4? (9...d5 10.Nc3 d4 11.Nd4 ed4 12.Ba8 dc3 13.Bc3+/–) 10.Qa4 (better is 10.Ne5 Rb8 11.Ng6+–) 10...Ba3?? (better is 10...Bb7+/–) 11.Ba3+– Nb5 (11...Bb7+–) 12.Qa8 f5 (12...Na3 13.Na3 c6+–) 13.cb5 Rh6 14.Ne5 c6 15.bc6 dc6 16.Nc6 (better is 16.Bc6 Rc6 17.Qc6 Qd7 18.Nd7 Bd7 19.Qg6 Kd8 20.Qb6 Ke8 21.Qg6 Kd8 22.Qg7 Kc7+–) 16...Rc6 17.Qc6 Bd7 18.Qg6# 1–0. linakip – studentt87, kurnik, 2012. (=1.Nf3 a6 2.b4 Nc6)

3.a3 d5 4.d4 Bg4 5.Nbd2 e6 6.e3 Nf6 7.c4 Be7 8.h3 Bf5 9.Be2 dc4 10.Bc4 0–0 11.Bb2 b5 12.Be2 Qd5 13.Rc1 Rfc8 14.Nh4 Be4 15.0–0 Qa2 16.Ne4+/– Ne4 17.Bf3 Nd6 18.Bc6 Qb2+/– 19.Ba8 Ra8 20.Qd3 Nc4+= 21.Nf3 Qa3 22.Qa3 Na3+= 23.Rc7 Bb4 24.Ng5 Rf8 25.Rfc1 Nc4 26.Kf1 a5 27.Ke2 h6 28.Ne4 Rd8 29.Kd3 Kh7 30.f4 Kg6 31.g4+/– Nb2 32.Ke2 Nc4 33.Rb7 Rd5 34.h4 Ba3 35.Rc2 Bb4 36.h5 Kh7 37.Rf7 Kg8 38.Rb7 Rd8 39.g5 Kf8 40.Kd3 Be7 41.Ra2 hg5 42.Rb5 Nd6 43.Nd6 Bd6 44.fg5 Bb4 45.Rb7 e5 46.h6 gh6 47.gh6 Kg8 48.Rg2 Kh8 49.Rgg7 Bf8 50.Rgd7 (50…Rd7 51.Rd7 Bh6 52.de5+–) 1–0. Kusmierek,Jozef – Wochnik,Manfred, corr 3GMM˝–01, 1999.

3.a3 d6 4.Nc3 e5 5.d4 ed4 6.Nd4 Be7 7.Nc6 bc6 8.e4 Bf6 9.Bb2 Be6 10.Be2 Ne7. pierre (2140) – vpatil, internet, 2010.

3.a3 e5 4.e4 =.

3.a3 e6 4.Nc3 (4.g3 Nf6=) 4...d5 5.g3 (5.d4 Nf6=) 5...Nf6 (5...d4 6.Na4+=) 6.d4 Bd6 (6...Ne4 7.Bb2=) 7.Bg2 0–0 (7...Ne4 8.Ne4 de4 9.Nd2=) 8.0–0 Bd7 (8...Ne4 9.Ne4 de4 10.Ng5=) 9.Qd3+= Qe7 (9...h6 10.Bd2+=) 10.Bd2 Ra7 (10...h6 11.Rfe1+=) 11.Rfe1 Rfa8 (11...h6 12.e4 Ne4 13.Ne4 de4 14.Re4+/–) 12.e4+/– de4 13.Ne4 Ne4 14.Re4 a5 (better is 14...Qf6!?+/–) 15.b5+– Nd8 16.c4 c6 (16...Qe8 17.Ne5+–) 17.Rh4 (17.c5 Bb8+–) 17...h6 (17...f5 18.c5 Bb8 19.b6+–) 18.b6 (18.c5 Bb8 19.b6 Ra6+–) 18...Ra6 19.c5 Bb8 20.Bf1 f5 21.Qc2 Nf7 22.Re1 e5 (22...a4+–) 23.de5 Ne5 (23...Be6+–) 24.Ne5 Be5 25.Bc3 Re8 (25...Qc5 26.Re5 Qf8 27.Rd4+–) 26.Re5 Qe5 27.Be5 Re5 28.Ba6 ba6 29.Rd4 Be6 30.b7 Rd5 31.Rd5 Bd5 (31...cd5 32.b8Q Kh7 33.Qe8 a4 34.Qe6 h5 35.Qcf5 g6 36.Qfg6 Kh8 37.Qe5) 32.b8Q Kh7 33.Qf5 (33.Qf5 g6 34.Qd7 Bf7 35.Qf7#) 1–0. pierre – pelo, internet, 2010.

3.a3 Nf6 4.Bb2 d5 5.e3 Bg4 6.h3 Bf5 7.Be2 Qd6 8.0–0 e5 9.d4 ed4 10.Nd4 Bg6 11.Nd2 Nd4 12.Bd4 0–0–0 13.Rc1 Be7 14.c4 Ne4 15.cd5 Kb8 16.Bf3 Ng5 17.e4 Qf4 18.Rc4 b5 19.Be3+– Qe5 20.Rc6 Nf3 21.gf3 Rd6 22.Qc1 (22…Bg5 23.Qc3 (23.Rc7 Be3 24.fe3 Qg3 25.Kh1 Qh3 26.Kg1 Qg3 27.Kh1 Bf5 28.Rb7 Kb7 29.Qc6 Rc6 30.dc6 Kc6 31.ef5 Qg5–+) 23...Qc3 24.Rc3 Be3 25.fe3+/– (25.Re3?! c6=)) 1–0. Pech,Jaroslav – Leclerc,Sophie, FICGS, 2008.

3.a3 h6 4.e4= e5 5.Bb2 d6 6.d4 Bg4 (6...ed4 7.Nd4 Qg5 8.Nc3+=) 7.Be2 (7.d5!? Nce7 8.Nc3+/–) 7...Bf3+= 8.Bf3 Nf6 (8...Nd4 9.Bd4 ed4 10.Qd4+=) 9.c3 b5 (9...ed4!? 10.cd4 Be7+/–) 10.0–0+– ed4? (better is 10...Be7+–) 11.cd4 d5 (11...Ne7 12.Re1 c6 13.Nc3+–) 12.e5 (better is 12.Nc3!? Ne7+–) 12...Ne4 13.Be4 Be7 (13...de4 14.d5 Ne7+–) 14.Bf3 a5 (14...Na7 15.Nc3 c6 16.Ne2+–) 15.Qb3 a4 16.Qd5 Qd7 (16...Qd5 17.Bd5 Ra6+–) 17.Qc6 Rd8 18.Nc3 0–0 19.Nb5 f6 20.Nc7 (20.Qc4 Kh8 21.e6 Qe8+–) 20...Qf5 21.Qe6 Qe6 22.Ne6 fe5 23.Nd8 Bd8 24.Bd5 Kh8 25.de5 Bb6 26.e6 Rf5 27.Rad1 Bd8 28.Bc6 Bc7 29.e7 Rh5 30.e8Q Kh7 31.Be4 (31.Be4 Rf5 32.Bf5 g6 33.Qg6#) 1–0. Tiedemann,Joern (2125) – Witt,Monika (1605), remoteschach.de, 2007.

3.d4 Nf6 4.a3 b6 5.d5 Na7 6.c4 Bb7 7.Nc3 g6 8.e4+/– Bg7 9.e5 Ng4 10.Qd4 0–0?? 11.Qg4 +–. miehnekort – kashee_dashing, Yahoo, 2005.

2.Nf3 d6

3.d4 b5 4.a4+= ba4 5.e3 Bd7 6.Bd3 Bb5 7.Nc3 c6 8.0–0 g6 9.Na4 Ba4 10.Ra4 Bg7 11.b5! cb5 12.Bb5! Nd7 13.Bc6 Ngf6 14.Ba8+– Qa8 15.Qd3 0–0 16.Bd2 e5 17.Qa6 Qe4?? 18.de5 Ne5 19.Re4 Ne4 20.Bb4 Nf3 21.gf3 Ng5 22.Kg2 h5 23.Bd6 Re8 24.Qb5 Re6 25.Qb8 Kh7 26.h4 1–0. pierre – dorin gipsi 66, internet, 2011.

3.d4 Nf6 4.Bb2 Bg4 5.c4 Nc6 6.d5+= Bf3 7.ef3 Ne5 8.f4 Ned7 9.Bd3 e6 10.de6+/– fe6 11.0–0 Be7 12.Re1 Kf7 13.Nd2 Re8 14.Nf3 h6 15.Qc2 Nf8 16.Bd4 b6 17.b5 ab5 18.cb5 Nd5 19.Bc4+– Bf6 20.f5 Bd4 21.Nd4 Nb4 22.fe6 Ne6 23.Be6 Re6 24.Qb3 d5 25.Ne6 Qe7 26.Qc3 Kg8 27.Nc7 Rc8 1–0. MT – guest576, ICC, 2004.

3.d4 h6 4.Nc3 e6 5.e4 f6 6.d5 e5 7.Nh4 h5 8.Be2+– c6 9.Ng6 Rh6? 10.Bh5 Ne7 11.Bh6 gh6 12.Ne5 Ng6 13.Bg6 Ke7 14.dc6 bc6 15.Nc6 Nc6 16.Nd5 Ke6 17.Qg4 Ke5 18.Qg3 Kd4 19.Qc3# 1–0. wiking – faelgalodoido, internet, 2009.

3.d4 h6 4.Nc3 Nf6 5.e4 Bg4 6.Be2 Bf3 (6...e6 7.d5+=) 7.Bf3+/– (worse is 7.gf3 g6=) 7...e6 8.0–0 Be7 9.e5 de5 10.de5 (worse is 10.Bb7 Ra7 11.de5 Rb7 12.ef6 Bf6+=) 10...Qd1 11.Rd1 Nd5 (11...Bb4!? 12.ef6 Bc3+=) 12.Bd5+– ed5 13.Nd5 Kd8?? (better is 13...Bd8+–) 14.Nb6 Ke8 (14...Nd7 15.Rd7 Ke8 16.Rc7+– (16.Na8?! Kd7 17.Nc7 Kc7+–)) 15.Na8 Bd8 16.Rd2 c6 17.Bb2 Ke7 18.Rad1 Re8 19.Bd4 Nd7 20.Be3 Ne5 21.Bc5 Ke6 22.Rd8 Rd8 23.Rd8 Nc4 24.Nb6 Nb6 25.Bb6 1–0. pierre – ojohn, internet, 2010.

2.Nf3 e6

3.a3 d5 4.Bb2 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 e6 4.a3 a6).

3.a3 d5 4.Bb2 Nf6 5.e3 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 e6 4.a3 a6 5.Nf3).

3.Bb2 f6 4.a3 b5 5.e3 c5 6.bc5 Bc5 7.d4 Bb6 8.Nbd2 d5 9.Be2 Nc6 10.0–0 Nge7 11.Rc1 0–0 12.e4 h6 13.c3 Bb7 14.a4 b4 15.cb4 Nb4 16.ed5 Nbd5 17.Nc4 Nf5 18.Nb6 Qb6 19.Re1 Rac8 20.h3 Nf4 21.Bf1 Nd5 22.Ba3 Rfe8 23.Bc5 Qd8 24.Rb1 Bc6 25.Qb3 Qa5 26.Bd3 Rb8 27.Qc2 Rb1 28.Rb1 Ba4 29.Qb2 Qc7 30.Qa3 Bb5 31.Bb5 ab5 32.Rb5 Rb8 33.Rb8 Qb8 34.g4 Qb1 35.Kg2 Qe4 36.Qc1 Nf4 37.Kf1 Qf3 38.Qe3 Ne3 0–1. ursus11 – tiki, kurnik, 2012. (=1.Nf3 a6 2.b4)

3.c3 g6 4.d4 (4.e4 a5 5.b5 d5+/–) 4...Bg7 (4...d5 5.e3=) 5.e4+= Ne7 6.Bd3 b6 7.0–0 d6 (7...0–0 8.a4+=) 8.Bg5 c5 9.bc5 bc5 10.dc5 dc5 11.Qa4 (11.Qe2 Bb7+=) 11...Bd7+= 12.Qa3 0–0 (12...Bc6!? 13.Rd1 h6+=) 13.Qc5+/– Nbc6 14.Nbd2 f6 15.Be3 Rf7 (15...f5 16.Rab1+/–) 16.Rab1+– Bf8 17.Qb6 Qe8 18.Nc4 Nc8 19.Qc7 e5 (19...N6a7 20.Qg3+–) 20.Qb7 N8a7 21.Nb6 Be6?? (21...Rb8 22.Qa6 Be6+–) 22.Qa8 Qa8 23.Na8 Ba3 24.Ba6 Ba2 25.Ra1 Bc4 26.Bc4 Be7 27.Ba7 Na7 28.Ra7 Kf8 29.Nc7 (29.Nc7 Kg7 30.Bf7+–) 1–0. pierre – pobij, internet, 2010.

3.c3 h6 4.e4+= d6 5.d4 Be7 6.Bd3 Nf6 7.0–0 0–0 8.e5 de5 9.de5 Nd5 10.a3 Nc3?? 11.Nc3+– b5 12.Be4 c6 13.Qb3 Nd7 14.Bc6 Rb8 15.Bf4 Bb7 16.Be4 Be4 17.Ne4 Nb6 18.Rfd1 Qc7 19.Nfd2 Rbd8 20.Rac1 Qb7 21.Qg3 Nd5 22.Bh6 g6 23.Bf8 Bf8 24.Nb3 Rc8 25.Rd5! ed5 26.Nf6 Kg7 27.Rc8 Qc8 28.Qh4 Qf5 29.Qh7# 1–0. kamret (2215) – sotos26, GameColony.com, 2003.

3.Nc3 Bb4–/+ 4.Bb2 (4.e4 d6 5.Ne2 Nf6 6.c3 Ba5 7.Qa4 c6 8.Qc2 b5 9.d4 Bb7 10.Bg5 h6 11.Bf6–/+ –1.09) 4...Nc6 (4...Nf6 5.a3 Bc3 6.Bc3–/+ d6 7.Bf6 Qf6 8.e3 e5 9.d4 0–0 10.Rb1 Re8 11.de5–/+ –1.06) 5.e3 (5.Nd5 Bf8 (5...ed5? 6.Bg7 Nf6 7.Bh8+–) 6.Nf4 d6–/+ (6...Nf6 7.e3 d6 8.d4 d5 9.Bd3 Bb4 10.c3 Bd6 11.0–0–/+ –0.97) 7.d4 d5 8.e3 Bb4 9.c3 Bd6 10.Bd3 Nf6 11.0–0–/+ –0.97; 5.e4 Nf6 6.e5 Bc3 7.Bc3 Nd5 8.Bb2 0–0 9.c4 Nf4 10.d4 f6 11.g3+= –0.59; 5.a3 Be7 6.e4 Nf6 7.d4 d5 8.e5 Nd7 9.Bd3 0–0 10.Qe2 b5 11.0–0–/+ –0.87) 5...Nf6 6.Bd3 (6.a3 Be7 7.Be2 0–0 8.d3 d5 9.0–0 Re8 10.Na2 Bd6 11.Qd2–/+ –1.31) 6...0–0 7.0–0 (7.a3 Be7 8.0–0 d6 9.Ne4 Ne4 10.Be4 d5 11.Bd3–/+ –1.12) 7...h6 (7...d5 8.a3 (8.Ne2–/+ Bd6 9.Ned4 Nb4 10.Be2 c5 11.Nb3–/+ –1.34) 8...Bd6 9.Re1 e5 10.e4 d4 11.Nd5–/+ –1.31) 8.a3 (8.Ne4 Ne4 9.Be4 d5 10.Bd3 Bd6 11.e4–/+ –1.03) 8...Bd6 (8...Be7 9.e4 e5 10.Nd5 d6 11.Qe2–/+ –0.87) 9.Ne4 (9.Ne2 b5 10.a4 ba4 11.Ra4–/+ –0.84) 9...Be7 10.Rb1 (10.Re1 d6 (10...Ne4 11.Be4 d5–/+) 11.Qb1–/+ –0.84; 10.Ra2 Ne4 11.Be4–/+ –1.09) 10...d5 (10...Ne4 11.Be4 d5 12.Bd3–/+) 11.Ng3 Ng4 12.h3 Nf6–/+ 13.Ne5 Ne5–+ 14.Be5 Bd6 15.Bb2 e5 16.Nf5 e4 17.Nd6 ed3 18.Nc8 dc2 19.Qc2 Rc8 20.Bd4 b6+= 21.Rfc1 c5–/+ 22.Ba1 a5 23.a4 Ne4 24.Qb2= Nf6 25.Qb6+/– Qb6 26.Rb6 c4 27.Bd4 Ne4+= 28.Rc2 Rb8= 29.f3 Ng3 30.Kf2 Nh1 31.Kg1 Ng3+= 32.Rcb2 Ne2 33.Kf1+/– (33.Kf1 Rb6 34.Bb6+/–) 1–0. silver lining – Thunderbird89, internet, 2010.

3.g3 Bb4 4.Bb2 Nf6 5.Bg2 d5 6.0–0 Nc6 7.c3 Be7 8.d4 Ne4 9.a4 Na5 10.h4 0–0 11.Ne5 Bh4 12.Be4 de4 13.Qc2 f5 14.Kg2 Bf6 15.Rh1 Be5 16.de5 b6 17.c4 Bb7 18.e3 Qg5 19.Rh4 Rfd8 20.Nd2 Rd3 21.Rah1 h6 22.Rh5 Qg4 23.R1h4 Rd2 24.Qd2 Qf3 25.Kg1 Nb3 26.Qd7 Bc8 27.Qd8 Kh7 28.Rh6 gh6 29.Qe7 1–0. vallejos – varin123, kurnik, 2012.

2.Nf3 h6

3.e4 Nc6 4.b5 ab5 5.Bb5 Na7 6.Bd3+= d6 7.0–0 e6 8.Na3 Nf6 9.Bb2 Be7 10.Nc4 0–0 11.e5 Nd5 12.Qe1 Nc6 13.Qe4 f5 14.ef6 Nf6 15.Bf6 Bf6 16.c3 d5 17.Qh7+= Kf7 18.Qg6 Ke7 19.Ne3 Qe8 20.Qg3 Qd8 21.Rfe1 Qd6?? 22.Nf5+– (22…Kd7 23.Nd6 cd6 24.a4+–) 1–0. wiking – habqad, internet, 2010.

3.e4 Nc6 4.b5 ab5 5.Bb5 Nb4 6.Ba3 e6 7.0–0 c6 8.c3 Nd3? (Better is 8...Nc2! 9.Qc2 Ba3 10.Na3 Ra3+=) 9.Bf8+– (9.Bd3?! Ba3 10.Na3 Ra3+=) 9...Kf8? (Better is 9...Nb2 10.Qb3 Kf8 11.Qb2 cb5+–) 10.Bd3 Nf6 11.e5 Ng4 12.h3 Nf2 (12...h5+–) 13.Rf2 Qb6 (13...d5 14.ed6 Qd6 15.Bc2+–) 14.Nd4 (14.Nh4 Ke8 15.Qf3 Rf8+–) 14...Qb2 (14...Qc5 15.Bg6 f6 16.ef6+–) 15.Qh5 Qa1 (15...f5 16.Bf5 Ke7+–) 16.Qf7 1–0. b4_player (2135) – chale68, GameColony.com, 2002.

3.e4 d5 4.e5 d4 5.Bb2 Bg4 6.h3 Bf3 7.Qf3 Nc6 8.b5 Ne5+= 9.Qb7 e6 10.Bd4!+– Bd6 11.Nc3 Nf6 12.Ne4 0–0 13.ba6 Nc4?? 14.Nf6 gf6 15.Bc4 c5 16.Be3 Qa5 17.Bh6 Rfb8 18.Qc6 Rb6 19.Qa8 Bb8 20.Bf4 (20...Qb4 21.a7 Qc4 22.ab8Q Rb8 23.Qb8 Kh7 24.Be3 Qc2 25.Qf8+–) 1–0. Fritz 8 – NN, 2006.

3.e4 e6 4.a3 Nc6 5.d4 d5 6.e5 Nge7 7.Bd3 g5 8.c3+/– g4 9.Nfd2 Rg8 10.Nb3 b6 11.0–0 h5 12.Bh7 Rh8 13.Qc2 Bg7 14.Bg5+/– Kd7 15.a4 Bb7 16.b5 ab5 17.ab5 (17...Na7 18.Na3+/–) 1–0. miehnekort – tuttledonald, Yahoo, 2005.

3.e4 e6 4.a3 d5 5.e5 Ne7 6.d4 b5 (6...a5 7.b5+=) 7.Bd3+/– Bb7 8.0–0 Nd7 9.Nbd2 g5 10.Nb3 Bg7 11.a4 ba4 12.Ra4 0–0 13.Na5 Bc8 14.Qe2 Nb6 15.Ra3 Bd7 16.Ba6 Nc4 17.Bc4 dc4 18.Qc4 Qc8 19.Qc5 Nd5 20.c4 c6?? 21.cd5 1–0. b4_player (2185) – bryner, GameColony.com, 2003.

3.e4 e6 4.a3 d6 5.d4 Bd7 6.Bd3 Be7 7.0–0 c6 8.Bd2 f6 (8...c5!?–/+) 9.Nh4 g5? (9...h5+–) 10.Qh5 Kf8 11.Ng6 (11...Kg7 12.Nh8 Kh8 13.c4+–) 1–0. wesolyPolak (1800) – NN, GameColony.com, 2002.

1...Na6

2.a3 b6 3.Bb2 Bb7 4.Nf3 c5 5.c3 c4 6.g3 Nh6 7.Bg2 Ng4 8.0–0 g6 9.d3 Bg7 10.dc4 d6 11.Nbd2 Rc8 12.Qb3 b5 13.c5 dc5 14.bc5 Rc5 15.c4 bc4 16.Qb7 c3 17.Nb3 cb2 18.Rab1 Nb8?? 19.Nc5 Qd2 20.Rfe1 Qe1 21.Ne1 Nf2 22.Qb8# 1–0. linakip – acienki, kurnik, 2012.

2.a3 d6 3.e4+= d5 4.ed5 Bf5 (better is 4...Qd5!? 5.Nc3 Qe6 6.Qe2 Qd6+=) 5.Bb5+/– c6? (better is 5...Bd7 6.Qe2 Nb8+/–) 6.dc6+– bc6 (6...Nc7 7.cb7 Nb5 8.ba8R Qa8 9.Kf1+–) 7.Ba6 (7...Qd5 8.Nf3+–) 1–0. Wall,Bill – Sumi, Internet, 2002.

2.a3 Nf6 3.e3 e5 4.Bb2 Bd6 5.c4 (better is 5.Nf3 e4 6.Nd4+=) 5...b5? (better is 5...c5 6.d4 ed4 7.bc5 Bc5 8.ed4 Be7=) 6.c5+/– Be7 7.Bb5 Nb8 8.Be5+– Nd5 9.Nf3 Rg8?! 10.Bc4 c6 11.Nc3 a6 12.Nd5 cd5 13.Bd5 Ra7 14.Bb8 Rh8 15.Ba7 Rf8 16.Bb6 Rh8 17.Bd8 Kf8 18.Ne5 d6 19.Be7 Ke7 20.Nf7 Kd7 21.cd6 Re8 22.Qa4# 1–0. Fournier,Frederic (1610) – elanonimo16, Active, 2008.

2.b5 Nb4 (--> 1.b4 Nc6 2.b5 Nb4?).

2.b5 c6?? 3.ba6+– ba6 4.e4 (4.Nc3 Rb8+–) 4...Rb8 (4...d5 5.ed5 cd5 6.Nf3+–) 5.d4 (5.Nc3 Nf6+–) 5...c5 6.c3 a5 7.Nf3 cd4 8.cd4 Rb4 9.Be3 e5 10.Ne5 Bd6 11.Be2 f6 12.Nd3 Rb8 13.0–0 f5 14.ef5 g6 15.Nc3 gf5 16.Bh5 Ke7 17.Bg5 Ke6 18.Qe2 Be5 19.Qe5# 1–0. einaar (2175) – rvollaerts, net–chess.com, 2007.

2.c3 c6 3.e4 e5 (3...Nf6 4.e5 Nd5 5.Nf3=) 4.Nf3 Bd6 (4...Nf6 5.Ba6 ba6 6.0–0=) 5.Bc4 b5 6.Bb3 Qb6 (better is 6...Nf6!?+=) 7.0–0+/– Nf6 8.d3 (8.d4 Qb8 9.Ng5 ed4 10.f4+–) 8...Ng4? (better is 8...0–0+/–) 9.Ng5+– h5?? (9...Nh6 10.Be3 Qc7+–) 10.Nf7 Rf8 11.Nd6 Kd8 12.Nf5 g6 13.Nd6 Qc7 14.h3 Nf6 15.Nc8 Qc8 16.Bg5 Ke7 17.d4 ed4 18.Qd4 Nc7 19.e5 Ne6 20.Qe3 Ng5 21.ef6 Kf6 22.Nd2 Re8 23.Qf4 Kg7 24.Qg5 Rf8 25.Bc2 Rf6 26.Ne4 Re6 27.Rfe1 Qf8 28.Rad1 d5 29.Nc5 Rf6 30.Re6 Qc8 31.Rf6 Qe8 32.Ne6 Kh7 33.Bg6 Qg6 34.Qg6 Kh8 35.Qg7# 1–0. 488 – kiwi phill, ChessWorld.net, 2012.

2.c3 d5 3.e3 c6 4.d4 Nf6 5.Nf3 Ne4 6.Bd3 e6 7.Be4 de4= 8.Ne5 f6?? 9.Qh5+– Ke7 10.Ng6! hg6 11.Qh8 e5 12.Qh7 Bf5 13.0–0 Qe8 14.Nd2 Kd8 15.Nc4 b6? 16.Nd6?? Qd7?? 17.Nc4?? g5?? 18.Qg8 Kc7 19.Rb1?? Be6–/+ 20.Ne5 fe5 21.Qh7=+ Qd5 22.Rb2 Nb8 23.Qg6 Nd7 24.Qg5 ed4 25.Qd5 Bd5 26.ed4 Be7 27.Bf4 Bd6 28.Bg5 Rh8 29.g3 Nf6 30.Re1 Ng4 31.Kg2?? e3–+ 32.Kf1 Bf3 33.fe3 Nh2–+ 34.Kf2 Rh3 35.e4? Bg3 36.Ke3 Be1 37.Kf4?? Bh5 38.b5 Rf3 39.Ke5 Kd7 40.bc6–+ Kc7 41.d5 Bc3 42.Ke6 Bb2 43.d6 Kc6 44.d7 Rd3 45.Be7 Rd7 46.a4 Bf6! 47.Kf5 Re7 48.Kf4 Bg6 49.Ke3 Re4 50.Kd3 Rd4 51.Kc3 Rd3 52.Kc4 a6 53.Kb4 Bf7 54.a5 Be7 55.Ka4 Ra3# (55...b5#) 0–1. poyntman – sirius1259, internet, 2007.

2.c3 e5 3.Bb2 Qe7 4.e3 Qf6 5.Nf3 d6 6.a3 Qg6 7.d4 e4= 8.Nfd2 d5 9.c4+= Qe6? 10.cd5+– Qd5 11.Bc4 Qf5 12.0–0 Nh6? 13.Nc3+– b6?? 14.Nde4 Bb7 15.Ng3 Qe6?? 16.Be6 fe6 17.Nce4 Nf7 18.Rc1 Be7 19.Qg4 Bc8 20.Qg7 Rf8 21.Nf6 Kd8 22.Nh7 Ke8 23.Nf8 Bf8 24.Qg8 Bd7 25.Ne4 Ke7 26.d5! e5 27.Qh7 Re8 28.Be5 c6 29.Bf6# 1–0. Fournier,Frederic (1810) – Jucacu, Active, 2011.

2.e4 e6 3.Nf3 c6 4.c3 Bb4? 5.cb4+– Nb4 6.Ba3 a5 7.Bc4 Nf6 8.Qa4?? b5–/+ 9.Qb3? Ne4?? 10.Be2+= Qf6 11.d3?? Nc5–+ 12.Qb2 Nbd3 13.Bd3 Nd3 14.Kd2 Nb2 15.Kc2 Nc4 16.Bc5 Qb2 17.Kd3 Qa1 18.Bd4 Qa2 19.Bg7 Qb3 20.Nc3 Rg8 21.Bh6 b4 22.Ng5 Qc3 23.Ke4 d5 24.Kf4 e5 0–1. bouffant – dbuckley, net–chess.com, 2002.

2.a3 b5

3.e3 c6 4.Bb2 Nf6 5.Nf3 h6 6.d4 d5 7.Nbd2 Bf5 8.Ne5 Qd6 (8...e6 9.Bd3+=) 9.Bd3 Bd7 (better is 9...g6!?+/–) 10.0–0 Nc7 11.Nb3 Rc8 (better is 11...Ne6+–) 12.Nc5 Ne6 13.Ncd7 (13.a4!? ba4 14.Bc3 Nc5 15.bc5 Qe6+–) 13...Nd7 14.f4 h5 15.Qe2 a6 16.Rf2 (16.c3 h4+–) 16...Rh6 17.Raf1 Nf6 18.h3 (18.Rf3 Nd7+–) 18...Ne4 (18...g6!?+/–) 19.Be4+– de4 20.g4 (better is 20.f5!? Ng5 21.Rf4+–) 20...f6+= 21.g5 fg5?? (better is 21...Rh7 22.Ng6 Qd5+=) 22.fg5+– Rh8 (22...Rh7 23.g6 Rh8+–) 23.Nf7 Qg3 (23...Qd5 24.c4 Qc4 25.Qc4 bc4 26.Nh8+–) 24.Rg2 Qh3 25.Nh8 Kd7 (25...Rd8 26.Ng6 h4 27.d5 Rd5 28.Be5+–) 26.Ng6 Kc7 27.Nf4 (better is 27.d5 cd5 28.Be5 Kb7+–) 27...Nf4 28.ef4 (28.Rf4 Rd8+–) 28...Qf5 29.Qh5 (29.Re1 Qf4 30.Rf1 Qd6+–) 29...g6 (29...e6 30.Re1 Bd6 31.Qe2 Bf4 32.Qe4+–) 30.Qg4 e6 31.Qf5 ef5 32.Rh2 Bd6 (32...Kd7 33.Kf2 Re8 34.Rh7 Ke6 35.Rh8+–) 33.Rh7 Kb8 34.Rg7 e3 (34...Rf8 35.Rg6 Kc7 36.Rg7 Kb6 37.Kg2+–) 35.Bc1 e2 (35...Re8 36.Kg2 e2 37.Re1+–) 36.Re1 Re8 (36...a5 37.Rg6 Rd8 38.c3+–) 37.Kf2 Re4 (37...Bc7 38.Re2 Rd8 39.Ree7+–) 38.Re2 (38.Re2 Kc8 39.Re4 fe4 40.Rg6+–) 1–0. ecluschei (2600) – acaudron (2295), net–chess.com, 2015.

3.e4 c6 4.c4 f6 (better is 4...bc4!? 5.Bc4 Nc7+=) 5.cb5+/– cb5 6.Bb5 Nb4 7.ab4 a6 8.Bc4 Nh6 (8...Bb7 9.Nc3+–) 9.d4 e6 10.Bh6 gh6 11.Qh5 Ke7 12.Nf3 Bb7 13.Nbd2 Bc6 (13...d5 14.Bd3 Qc7+–) 14.d5 Bd5 (14...Qe8 15.Qe8 Ke8 16.dc6 Bb4 17.cd7 Kd7 18.Ba6+–) 15.ed5 ed5 (15...Qb6 16.de6 de6+–) 16.Qd5 Rb8 17.Qe4 Kd6 18.Ra6 Kc7 19.Ra7 Kc8 (19...Kb6 20.Qd4 Kc6 21.Bd5 Kb5 22.Qc4 Kb6 23.Qa6) 20.Ba6 Rb7 21.Qb7 1–0. b4_player (2240) – EPLAYER01, GameColony.com, 2003.

2.a3 Nb8

3.Bb2 a5 4.b5 c6 5.e3 cb5 6.Bb5 Qb6 7.a4 Nc6 8.Nf3 d6 9.0–0 Bd7 10.c4 Qc7 11.d4 h6 12.Nc3 Na7 13.Nd5 Qc8 14.Nb6 Qb8 15.Nd7 Nb5 16.Nb8 Rb8 17.ab5 a4 18.Ra4 Ra8 19.Ra8 Kd7 20.Rf8 g6 21.d5 Nf6 22.Rh8 Nd5 23.Qd5 e5 24.Qb7 Ke6 25.Qc8 Ke7 26.Re8 Kf6 27.Ne5 de5 28.Be5 Kg5 29.h3 f5 30.Qd8 Kh5 31.g4 fg4 32.hg4 Kg4 33.Qf6 g5 34.Qf3 Kf3 35.Bg7 g4 36.Rf8 Ke2 37.Bh6 g3 38.fg3 Kd3 39.c5 Ke4 40.c6 Ke5 41.c7 Kd6 42.c8Q Kd5 43.Re8 Kd6 44.Rd1 1–0. kaasparov (1605) – lydnils, kurnik, 2012.

3.Bb2 Na6 4.g3 (4.e4!?+=) 4...Nb8 5.Bg2 e6 6.Nf3 d6 7.0–0 Nd7 8.d3 Ngf6 9.Nbd2 g6 10.e3 Bg7 11.c4 0–0 12.d4 a6 13.c5 Re8 14.cd6 cd6 15.Nc4 Nf8 16.a4 Nh5 17.b5 ab5 18.ab5 Ra1 19.Qa1 d5 20.Nce5 Be5 (20...Qb6 21.g4 Nf6 22.Ng5=) 21.Ne5 (21.de5 Qb6+/–) 21...Nd7 22.Rc1+/– Ne5 23.de5 Qb6 24.Bd4 Qb5 25.Rc7 b6 26.Qc1 Ba6+= 27.Rc6 Attacks the isolani on b6 27...Ng7 28.Rb6+= Qc4 29.Bf1?? Qf1 30.Qf1+= Bf1 31.Kf1 Nf5 32.Kg2 Nd4 33.ed4 Ra8 34.Rb4 Ra2 35.h4 Kg7 36.g4 h5 37.gh5 gh5 38.Kg3 Ra3 39.f3 Kg6 40.Kf4 Ra1 41.Rb8 Kg7 42.Rb4 Rg1 43.Ke3 Rh1–/+ 44.f4 Rh4 45.f5 ef5 46.Kf3? Re4–+ 47.Kg3 h4 48.Kh3 Kg6 49.Rb3 Kg5 50.Rg3 hg3 51.Kg3 Rd4 52.Kf3 Re4 53.Kg3 Re5 54.Kf3 Re4 55.Kg3 d4 56.Kf3 d3 57.Kg3 d2 58.Kf3 d1Q 59.Kg3 Qd3 60.Kf2 Re2 61.Kf1 Qd1# 0–1. golfx – milanio, kurnik, 2011. (=1.a3 Na6 2.b4)

3.Bb2 Nf6 4.e3 =.

2.a3 c5

3.Bb2 cb4+= 4.e4 e5 (better is 4...ba3!? 5.Ra3 Nc7+=) 5.Ba6+= ba6 6.ab4 Rb8 7.Be5 Qh4?? (better is 7...Rb4 8.d3 d5+=) 8.Bb8+– Bb4 (8...Qe4 9.Ne2+–) 9.Ba7 (9.Qe2!? Bb7 10.c3 Be7+–) 9...Qe4 10.Qe2 Bd2 (10...Qe2 11.Ke2 Ne7+–) 11.Nd2 Bb7 (11...Qe2 12.Ne2 Bb7+–) 12.Ne4 f5 13.Nd6 Kf8 (13...Kd8 14.Bb6) 14.Qe8 1–0. Cavanagh,Philip – adolpholivernipple75, Yahoo! Chess, 2001.

3.b5 Nb8 4.c4 g6 5.Bb2 Nf6 6.e3 Bg7 7.Nf3 0–0 8.d4 cd4 9.Bd4 d6 10.Nbd2 Nbd7 11.Be2 Nc5 12.0–0 b6 13.Qc2 Bb7 14.Rfe1 Qc7 15.Rac1 e5 16.Bb2 Rad8 17.Nb3 Nb3 18.Qb3 Nd7 19.a4 Nc5 20.Qc2 Be4 21.Qd1 f5 22.Nd2 Bb7 23.Bf3 e4 24.Be2 Bb2 0–1. barborski – btmachine7 (1660), kurnik, 2012.

3.c3 d5 4.e3 =.

3.c3 e5 4.d3 d5 5.Nf3 Bd6 6.Nbd2 Nf6 7.e3 0–0 8.Be2 b5 9.0–0 Qc7 10.h3 Rd8 (worse is 10...cb4 11.cb4 Be6 12.Bb2+=) 11.d4 e4 12.Ne1 c4 13.f4 (13.a4!? Qb7 14.f3 ef3 15.Nef3=) 13...ef3!–/+ 14.Bf3 (14.Ndf3 Ne4 Combination; 14.Nef3 Qe7 Combination; 14.Bf3 Qe7 Combination; 14.Rf3 Bd7 Combination; 14.gf3 Bh3 Deflection) 14...Qe7 15.Nc2 Bf5 16.Re1 Bg3 (16...Bg3 17.Rf1 Bd3–+) 0–1. ecluschei (2600) – pierred (2825), net–chess.com, 2015.

3.c3 Nf6 4.e3 b6 5.d4 (5.Nf3 Nc7=) 5...e6 (5...Nc7 6.Bd3=) 6.Bb2 (6.Nf3 Nc7+=) 6...Be7 (6...Nc7 7.Bd3=) 7.Nd2 (7.Nf3 0–0=) 7...0–0 8.Ngf3 Bb7 (8...d5 9.Be2=) 9.Bd3 d6 (9...d5 10.dc5 bc5 11.0–0=) 10.0–0 Rc8 (10...d5 11.dc5 bc5 12.b5=) 11.Qe2 (11.Qa4!? cd4 12.Nd4+/– (12.Ba6?! Ba6 13.Qa6 dc3=; 12.cd4?! b5 13.Qb5 Qb6+/–)) 11...Nc7+= 12.Rfd1 (12.c4 d5=) 12...cd4= 13.cd4 Nfd5 14.g3 (14.Rdc1 f5=) 14...f5 15.Rac1 Qe8 16.b5 Qh5 (16...Qg6 17.Rc2=) 17.Ne1 (17.Rc2 g5=) 17...Qh6 (17...Qe2 18.Be2 Kh8 19.Rc2=) 18.Rc2= Rf6 19.Rdc1 Nb4 20.d5 (20.ab4 Qh2) 20...Nc2 21.Bf6 Qf6 (21...Bf6 22.Rc2 Nd5 23.Rc8 Bc8 24.Nc4–/+) 22.Rc2–/+ Nd5 23.Rc8 Bc8 24.e4 Nc3 25.Qe3 fe4 (25...Bd7!?–/+) 26.Ne4 Ne4 27.Qe4 g6 28.Qa8 (28.Qc6 Qf8–/+) 28...Qc3 29.Ng2 Qc7 (29...d5 30.a4–/+) 30.Nf4 Kf7 31.Qf3 Kg7 32.Qe3 Qd7 33.h4 Bf6 34.Qf3 d5 (34...Qc7!?–/+) 35.h5= e5 (35...Qe7 36.hg6 hg6 37.Bg6=) 36.h6 (36.Nd5 Bd8 37.h6 Kh6 38.Qf8 Qg7 39.Qd8+–) 36...Kh6= 37.Nd5 Bg7?? (better is 37...Be7 38.Qe3 Bg5 39.Qe5 Qe6 40.Qe6 Be6+=) 38.Qe3+– g5 39.Qe4 Bf8 (39...Qf5 40.Qf5 Bf5 41.Bf5 Bf8+–) 40.Nf6 (better is 40.Ne7! Qd3 41.Ng8 Kg7 42.Qd3+–) 40...Qe7?? (better is 40...Qf7=) 41.Ng8 (41...Kh5 42.Qf3 g4 43.Qh1 Qh4 44.Qh4#) 1–0. Wolff,Armel David (2260) – Beck,Thomas, Geneve op, 1996.

3.bc5 Nc5 4.d4 Ne4 5.Bb2 (5.f3!? Qa5 6.c3+=) 5...d5 6.Nf3 (6.e3 Ngf6+=) 6...Qb6 7.Ra2 Ngf6 8.h3 (8.Nfd2 Bf5+=) 8...Qa5 9.c3 e6 10.e3 Bd7 11.Bd3 Ba4 12.Bc2 (12.Qe2 Bd6+=) 12...Bc2–/+ 13.Qc2 Rc8 14.0–0 Bd6 15.Nfd2 0–0 16.Re1 b5 17.Ne4 Ne4 (worse is 17...de4 18.Rc1+=) 18.f3 Nf6 19.Nd2 Bg3 (19...Rfd8 20.e4 Bf4 21.a4–/+) 20.Rf1 (20.Rb1 Qc7–/+) 20...Qc7 (20...Rc6 21.Qd3–/+) 21.f4 (21.a4 b4 22.Qd3 Bh2 23.Kh1 Nh5+=) 21...a5 (21...Rfe8 22.Qd1–/+) 22.Rf3 (22.a4!? b4 23.Qd3+=) 22...Be1–/+ 23.Nb1 b4 24.ab4–/+ ab4 25.Qd1 Bc3–+ 26.Bc3 bc3 27.Rc2 Ne4 28.h4 Rb8 29.Qc1 Rb3 30.Nd2 Nd2 (30...Nd2 31.Rd2 cd2 32.Qd2 Rfb8–+) 0–1. JAY2PLAY – Gorgol, ChessWorld.net, 2005.

3.bc5 Nc5 4.Nf3 Qa5 (4...Nf6 5.Bb2=) 5.Nc3 f5 (5...Nf6 6.Bb2=) 6.e3+= e6 7.Bc4 (7.Bb2 Nf6+=) 7...d5= 8.Bb5 Bd7 9.Bd7 Nd7 10.0–0 Bc5 (10...Ngf6 11.Rb1=) 11.a4 (11.Rb1 Rb8+=) 11...Ngf6= 12.Rb1 Rb8 13.Bb2 a6 (13...0–0 14.Nd4 Bd4 15.ed4=) 14.d4 (better is 14.Ng5!? Nf8 15.Ne2=) 14...Bb4+= 15.Qd3 0–0 16.Ng5 Rbe8 (16...Rfe8 17.Ra1+=) 17.Ra1 (17.Na2 Bd6 (worse is 17...Qa4 18.Nb4 h6 19.Nf3+/–) 18.Ba3 Ba3 19.Qa3 h6+=) 17...h6 (17...Qc7 18.Rab1+=) 18.Nf3 Ne4 19.Nh4?? (better is 19.Ne2+=) 19...Bc3 20.Bc3 Qc3 (20...Nc3 21.Ng6 Rf6 22.Nf4–+) 21.Ng6 (21.Rfb1 Qc6–+) 21...Rf6 22.Qc3 Nc3 23.Ra3 Ne2 24.Kh1 Rg6 25.Re1 Nd4! (25...Nd4 26.ed4 e5–+) 0–1. Lausten – Meggy, ChessWorld.net, 2009.

3.e4+= b5 4.Bb5+/– cb4 5.Nf3 e6 6.Ba6 Ba6 7.ab4 Bb5 8.d3 Bb4+= 9.Bd2 Bd2 10.Nbd2 f6 11.Qb1 Ba6?? 12.Ra6+– (12...Ne7 13.0–0+–) 1–0. dugmak – Izzy5150, ChessWorld.net, 2005.

3.e4+= Qb6 4.b5 Nc7 5.Nc3 +=.

3.e4 Qb6 4.c3 Nf6 +=.

3.e4 Nf6 +=.

3.b5 Nc7

4.a4 d5 5.d3 d4 (5...e5 6.Nf3+=) 6.Bb2 (6.Nf3 e6=) 6...Nd5 (6...e5 7.Nd2+=) 7.g3 (7.Nf3 Bg4+=) 7...Nb4 (7...Ngf6!?+=) 8.Bg2 (8.Nf3 a6=) 8...e5 9.e4 (9.c3 Nd5=) 9...Be6 10.c3? (better is 10.Nf3 Bd6 11.0–0+=) 10...Nd3?? (better is 10...dc3 11.Bc3 Nd3 12.Kf1 Nf6–+) 11.Qd3+– Bb3?? (11...c4!? 12.Qd2 d3+–) 12.Nd2 (better is 12.c4 Bc4 13.Qc4+–) 12...Be6 13.c4 a6 14.ba6 ba6 15.Ngf3 f6 16.0–0 Bd6 17.Nb3 Qb6 18.Nfd2 h5 19.f4 ef4? 20.gf4 Nh6 21.e5 fe5 22.Ba8 ef4 23.Qg6 Bf7 24.Qe4 Kd7 25.Rae1 Re8 26.Qb7 Qb7 27.Bb7 Kc7 28.Re8 Be8 29.Ba6 d3 30.Bb5 Bf7 31.Bg7 Nf5 32.Bb2 Ne3 33.Rf3 Nd1 34.Bc1 h4 35.Ne4 Be7 36.Bf4 Kd8 37.Rd3 Kc8 38.Rd1 Bg6 39.Nec5 Bc2 40.Bd7 Kd8 41.Nb7# (41.Ne6#) 1–0. chestnut_1 – Meggy, ChessWorld.net, 2009.

4.a4 d5 5.e3 Nf6 6.c4 (6.Bb2 Bf5=+) 6...g6 (6...e5 7.Bb2 Bd6 8.Nf3–/+) 7.Bb2 Bg7 8.Nf3 0–0 9.Be2 b6 (9...dc4 10.0–0=+) 10.d3 (10.0–0 a6=) 10...dc4 11.dc4 Bb7 12.Nbd2 Ne4 (12...a6 13.0–0=) 13.Bg7+= Kg7 14.Ra2 (14.Ne4 Be4 15.a5 Qd1 16.Rd1 Rfd8+=) 14...Ne8 (14...a6 15.Ne4 Be4 16.Rd2+=) 15.0–0 Qc7 16.a5 Nd2 (16...Rd8 17.Qa1 Kg8 18.Rd1+=) 17.Rd2 Nd6 18.a6 Bf3 19.Bf3 (< 19.gf3 Rad8=) 19...Rad8 20.Qc2 Nf5 21.Rfd1 Rd6 22.Be4 (22.Rd6 Nd6 23.Qc3 Kg8+/–) 22...Rfd8 23.Bf5 gf5 24.g3 (24.Qc3 Kg8+/–) 24...Rd2+= 25.Rd2 Rd2 26.Qd2 Qe5? (better is 26...e5+/–) 27.Qd7+– Qe4 28.Qa7 Qb1 29.Kg2 Qe4 30.f3 Qe3 31.Qb7?? Qd2 32.Kh3 Qh6 33.Kg2 Qd2 34.Kf1 Qd1 ˝–˝. Sternik,Ryszard – Svensson,Jan, corr 3GMM–13, 1995.

4.a4 d5 5.Nf3 Nf6 =+.

4.c4 a6 5.a4 ab5 6.cb5 Nb5 7.Bb2 Nc7 8.e3 b6 9.Nf3 e6 10.Qb3 Na6 11.Bb5 Nf6 12.0–0 Be7 13.Nc3 0–0 14.Rac1 d5 15.d3 Bb7 16.Ne5 1–0. elsh1403 – mickeymouser, kurnik, 2012.

4.c4 a6 5.a4 ab5 6.cb5 Nb5 7.Bb2 Nd6 8.e3 Nf6 9.Nf3 e6 10.Nc3 Be7 11.Qc2 0–0 12.e4 Nfe8 13.e5 Nf5 14.Bd3 Nd4 (better is 14...d6–/+) 15.Nd4+= cd4 16.Nb5 (16.Bh7?! Kh8 17.Nb5 g6 18.Bg6 fg6 19.Qg6 Ng7=) 16...Bc5?? (better is 16...f5+/–) 17.Qc5+– d5 (17...f5+–) 18.Ba3 Nf6 19.ef6 gf6 20.0–0 Kg7 (20...Bd7 21.Qd4 e5 22.Qd5 Bb5 23.Qb5+–) 21.Qd4 e5 22.Bf8 Qf8 (22...Kf8 23.Qc5 Kg8 24.Nc7+–) 23.Qd5 Be6 24.Qe4 f5 25.Qe5 Kg8 26.Nc7 Rc8 27.Ne6 fe6 28.Qe6 Kh8 29.Rfe1 1–0. usingprogram (2000) – lydnils, kurnik, 2013.

4.c4 d5 5.cd5 Nf6 =.

4.c4 d5 5.e3 d4 6.Bb2 d3 (better is 6...e5!?+=) 7.e4 Nf6 8.Qf3 Be6 9.Bd3 Bg4 10.Qe3 Ne6 11.f3 Bh5 12.Ne2 g5 13.g4 (better is 13.e5!? Nd7 14.Bf5+–) 13...Bg6+/– 14.Nbc3 h5 15.gh5 Rh5 16.Nd5 Bh6 17.0–0–0 g4 18.f4 (better is 18.Qf2!? Nd5 19.ed5 Bd3 20.de6+=) 18...Rh3= 19.Ng3 Nd5 20.ed5 Nf4 (worse is 20...Bf4 21.Qe2 Bd3 22.Qg4=) 21.Bg6 Ng6 22.Qc5 Rc8 23.Qb4?? (better is 23.Qd4!?+=) 23...Nf4 (better is 23...Qd5! 24.Qb3 Rc4 25.Kb1 Rc1 26.Ka2 Qb3 27.Kb3 Rd1 28.Rd1 Rh2–+) 24.Kb1 Nd3 25.Qc3 Nb2 (better is 25...Nf2–+) 26.Kb2+= Kf8?? (better is 26...Qc7 27.d3 a6=) 27.Qh8# 1–0. typ48 – fiction, kurnik, 2012.

4.c4 d5 5.e3 e5 6.Bb2 d4 7.d3 Bf5 8.Nf3 Bd6 9.Be2 Nf6 10.0–0 0–0 11.Nbd2 Ng4 12.h3 de3 13.hg4 ef2 14.Rf2 Bg4 15.Ne5 Be5 16.Be5 Be6 17.Ne4 f6 18.Bd6 Rf7 19.Bc5 b6 20.Be3 Ne8 21.d4 Nd6 22.Nd6 Qd6 23.c5 bc5 24.dc5 Qe5 25.Qd4 Qd4 26.Bd4 Rd8 27.Bc3 Rfd7 28.c6 Rd5 29.a4 Rc5 30.Bb4 Rc2 31.Bf3 Rc4 32.Ba5 Rdd4 33.Raa2 Rc1 34.Kh2 Ba2 35.Ra2 g5 36.c7 g4 37.Bc6 1–0. barborski – fiction (1625), kurnik, 2012.

4.c4 d5 5.e3 e5+= 6.cd5 Nd5 (6...Nf6 7.Bc4+=) 7.Bb2 Bd6 8.Nf3 Bg4 (8...Qf6 9.Nc3 Nc3 10.Bc3=) 9.Be2 (9.h3 Bf3 10.Qf3 Ngf6=) 9...Qe7 10.0–0 Ngf6 11.d3 0–0 12.Nbd2 Bc7 (12...a6 13.ba6 Ra6 14.d4 Bf3 15.Nf3=) 13.Nc4 e5 becomes the focus of attention (13.Qc2 Rfd8=) 13...e4 14.Nfe5 Be2 15.Qe2 a6 16.de4 ab5 17.ed5 bc4 18.Nc4 Nd5 19.Rfd1 Rfd8 20.e4 (20.Qh5 Qe6 21.a4 Qe4=) 20...Qe6 (20...b5 21.Qf3 Nf4 22.Ne3+=) 21.Qc2 Nb6 (21...Nf6 22.e5 Nd5 23.a4=) 22.Nb6 Bb6 23.Qc3 (23.a4 c4=) 23...f6 24.Qf3 (24.Rab1 c4 25.Qb4 Rac8=) 24...Bc7 (24...c4 25.Rd5=) 25.Rd5 (25.e5 Be5 26.Be5 Qe5 27.Qb3 Kh8 28.Qb7 c4=) 25...Rd5 26.ed5 Qb6 (26...Qd7 27.Rd1=) 27.Qe2 Qd6 Threatening mate: Qxh2 28.Qe6 Qe6+= 29.de6 Kf8 30.Rc1 b6 31.Rd1 Be5 32.Be5 fe5 33.Rd7 Ra3 Do you see the mate threat? 34.Kf1 b5 35.Rf7 Ke8 36.Rg7 b4 37.Rh7= b3 With the idea Ra4 (37...b3 38.Rb7 c4–+) 0–1. Nebe,Lutz – Klein,Andreas, corr, 1998.

4.e3 d5 5.a4 e5 6.Bb2 Bd6 7.d3 Nf6 8.Nf3 Qe7 9.Be2 0–0 10.0–0 e4 11.de4 de4 12.Nfd2 Bf5 13.c4 Rad8 14.Qc2 b6 15.Nc3 Be5 16.Rfd1 Bc3 17.Bc3 Rd7 18.Nf1 Rfd8 19.Rd7 Rd7 (19...Qd7? 20.Bf6 gf6 21.Rd1+–) 20.Rd1 Ne6? (20...Rd1 21.Qd1 a5 22.ba6 Na6 23.Ng3+/–) 21.Rd7 (21.Bf6 gf6 22.Rd7 Qd7+–) 21...Qd7? (21...Nd7 22.Ng3 Bg6+=) 22.h3?? (22.Ng3 Bg6 23.Bf6 gf6 24.Ne4 Kg7+–) 22...Nf8? 23.Ng3 Bg6 24.Bf6+– gf6 25.Ne4 Qe6 26.Bd3 Nd7 27.Ng3 Ne5 28.Bg6 fg6 29.Ne4 f5 30.Ng5 Qc4+= 31.Qc4 Nc4 32.Ne6 Nb2 33.Nd8 c4 34.Kf1 c3 35.Ke1 Na4 36.Kd1 Nc5 37.Nc6 a6 38.ba6 Na6 39.Kc2 Nc5 40.Kc3 Ne4 41.Kb4 Nf2 42.Nd4 Nd1 43.Nc2 Kf7 44.Kb5 Ke6 45.Kb6 Ke5 46.Kc5 Ke4 47.Kd6? Ne3 48.Ne3 Ke3 49.Ke5 Kf2 50.g4 fg4 51.hg4 Kg3 52.g5 Kg4 53.Kf6 Kf4 54.Kg7 Kg5 55.Kh7 Kf5 56.Kh6 g5 57.Kh5 Kf4 (57...Kf4 58.Kg6 g4 59.Kf6 g3 60.Ke6 g2 61.Kd6 Ke4 62.Ke6 g1Q 63.Kd6 Qb6 64.Ke7 Ke5 65.Kf7 Qf6 66.Kg8 Qe7 67.Kh8 Kf6 68.Kg8 Qg7#) 0–1. exp2005 – etkaspar (1650), kurnik, 2012.

4.e3 d5 5.Bb2 Nf6 6.Nf3 Bg4 7.a4 a6 8.b6 Ne6 9.a5 Ng5 10.Be2 Nge4 11.c4 g6? (11...dc4!? 12.Bc4 Nd6+=) 12.cd5 (12.d3!? Nd6 13.Bf6 ef6 14.cd5+/–) 12...Qd5+/– 13.d3 Nd6 14.e4 Nde4 15.de4 Qe4 16.Qa4 (16.Nbd2 Qc6+–) 16...Qa4 17.Ra4 Bd7 18.Ra1 Bg7 19.0–0 (19.Nbd2 Rc8+–) 19...0–0 20.Ne5 Bc6? (better is 20...Bb5!? 21.Nc4 Bc4 22.Bc4 Rfd8+/–) 21.Nc3 (21.Nc6 bc6 22.Rc1 Nd7 23.Bg7 Kg7+–) 21...Rac8? (21...Bd5+–) 22.Bf3 (22.Nc6 Rc6 23.Bf3 Rfc8+–) 22...Rb8?? (22...Bf3 23.Nf3 Rfd8 24.Rad1+/–) 23.Rad1 (23.Bc6 bc6 24.Nc6 Rb7+–) 23...Rfc8?? (23...Bf3 24.Nf3 Rfc8 25.Na4+–) 24.Rd2 Bh6? 25.Rdd1 Bf4?? 26.Nd5 Nd5 27.Bd5 Bd5 28.Rd5 c4 29.Nd7 Rd8?? 30.Bc3 Rbc8 31.Rfd1 Re8 32.g3 Bh6 33.f4 Bg7 34.Ne5 f6 35.Nd7 e6 36.Rc5 Kf7 37.Rc7 Rc7 38.bc7 Rc8 39.Nb6 Rc7 40.Rd7 Rd7+= 41.Nd7 Ke7 42.Nb6+/– Kd6 43.Nc4 Kc6 44.Nb6 e5 45.fe5 fe5 46.Kf1 Kb5 47.Ke2 Bf8 48.Nd7 Bb4 49.Bb4 Kb4 50.Ne5 Ka5 51.Kd3 Kb4+/– 52.Kc2 a5 53.g4 a4 54.Kb2 b5 55.h4 a3 56.Ka2 Ka4 57.Nc6 b4 58.Nd4+– h6 59.Nb3 Kb5= 60.Kb1 Kc4 61.Kc2 Kd5 62.Nc1 Ke4–+ 63.Na2 Kf4 64.h5 g5 (64...Kg4?? 65.hg6 Kf3 66.g7 b3 67.Kb3+–) 0–1. Bernhard,Alfred (1835) – Brandhorst,Dieter (2100), Ruhrgebiet VK3, 2008.

4.e4 d5 5.ed5 Nd5 =.

4.e4 d5 5.e5 Bf5 6.Bb2 e6 7.d4 h5 8.dc5 Bc5 9.Nf3 g5 10.Bd3 g4 11.Nd4 Bd3 12.Qd3 Ne7 13.0–0 Ng6 14.Nb3 Be7 15.g3 h4 16.c4 hg3 17.hg3 dc4 18.Qd8? (better is 18.Qc4 Qd7 19.a4+=) 18...Rd8–+ 19.Na5 Nb5 20.Nc4 Nd4 21.Bd4 Rd4 22.Ne3 Ne5 23.Rd1 (23.Kg2–+) 23...Nf3 24.Kf1 Rh1 25.Ke2 Rdd1 26.Nd1 Re1 27.Kd3 Rd1 28.Kc2 Rf1 29.Ra2 Bf6 (better is 29...Rf2 30.Kb3 Nd4 31.Kc3 Ra2 32.Kd4–+) 30.Kb3 Rb1 (30...Rb1 31.Kc2 Rf1–+) 0–1. typ48 – wozlew, kurnik, 2012.

4.e4 e6 =.

4.c4 Nf6

5.Bb2 d5 6.cd5 Nb5 7.e3 =+.

5.Bb2 e6 6.Qa4 Be7 =.

5.Bb2 e6 6.e3 d5 7.cd5 Ncd5 8.d4 =+.

5.Bb2 e6 6.e3 Be7 7.Nf3 0–0 8.Bd3 d5 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4 b6 14.d4 Qd6 (15.dc5 Qc5=). Garcia – Bendig,Frank, corr SOK–91–75, 1992.

5.Bb2 e6 6.e3 Be7 7.Nf3=+ 0–0 8.Be2 d5 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 dc4 13.Bc4 b6 14.d4 Qd6 15.dc5 Qc5 16.Qe2 Bb7 17.Nbd2 Qh5 18.Bd4 Nd7 19.Ra1 Ra8 20.Ra8 Ba8 21.Ne5 Qe2 22.Be2 Ne5 ˝–˝. Dopper,Johan – Bendig,Frank, corr SOK–92–91, 1992.

5.e3 e5 6.Bb2 d6 7.Be2 Be7 8.Nc3 0–0 9.Nf3 Bf5 (9...a6 10.ba6 ba6 11.Rb1=) 10.0–0 e4 11.Ne1 a6 (11...d5 12.f3=) 12.a4 (12.b6 Nce8=) 12...d5 13.d3 (13.f3 ef3 14.Bf3 ab5 15.Nb5 Be6=) 13...dc4 14.de4 Ne4 15.Ne4 (15.Bc4? Nd2 16.Qe2 Nf1–+) 15...Be4 16.Bc4 Qd1 17.Rd1 ab5 18.ab5 Ra4 19.Rd7 (19.Rc1!?=+) 19...Rc4–/+ 20.Rc7 Bd8 21.Rc8 Bf5 22.Rb8 (22.Ra8 Rb4 23.Bc3 Rb3–+) 22...Rb4 23.Be5 Rb5 24.Nf3 f6 25.Bd6 Be7 26.Rf8 Kf8 27.Be7 Ke7 28.Rc1 (28.h3 Bd3 29.Rc1 Rb1 30.Rb1 Bb1–+) 28...Rb1 29.Rb1 Bb1 30.Kf1 b5 31.Ke2 Kd6 32.Nd2 Bg6 33.f3 c4 34.Kd1 Bd3 35.Kc1 b4 (35...Kc5 36.g4–+) 36.g3 (36.h4 c3–+) 36...b3 (Better is 36...c3–+) 37.Kb2 Kc5 38.Kc3 Kb5 39.e4 Kc5 40.f4 (Better is 40.h4–+) 40...Kd6?? (40...Be2 41.g4–+) 41.h4? (41.Nb3 cb3 42.Kd3–/+) 41...Ke6 (41...Kc5 42.h5–+) 42.g4 (42.Nb3 Be4 43.Nd4 Kd5 44.f5–/+) 42...Kd6 (42...h6 43.h5 Be2 44.Kd4–+) 43.g5 (43.Nb3 cb3 44.Kd3–+) 43...Ke6 44.Nb3 (44.gf6 gf6 45.Nb3 A) 45...cb3?! 46.Kd3 (46.Kb3?? Be4 47.Kc3 Kf5–+) 46...Kd6 47.Kc3=; B) 45...Be4 46.Nd4 Kd5–+) 44...Be4 (Better is 44...cb3!? 45.gf6 Bc2 46.fg7–+) 45.Nd4–/+ Kd5 46.Ne2 (46.Nb5 Bg6–/+) 46...Bd3 47.Ng3 f5 (Better is 47...fg5 48.hg5 g6–+) 48.Nh5? (Better is 48.h5–+) 48...Ke4 49.Ng7 Kf4 50.Nh5 (50.Ne6 Kg4 51.h5 Kh5 52.Kd4–+) 50...Kg4 51.Nf6 Kh4 52.Nh7 f4 53.Nf8 Kg5 (53...f3!? 54.g6 Bg6 55.Ng6 Kg3 56.Kc4–+) 54.Ne6 Kg4 55.Kd2 f3 56.Ke3 Kg3 57.Nf4 f2 58.Nh5 Kg4 59.Nf6 Kf5 60.Kf2 Kf6 61.Ke3 (61.Ke1 Ke5 62.Kf2–+) 61...Ke5 (62.Kf2 Kd4 63.Ke1 Ke3 64.Kd1 c3 65.Ke1 Bc2 66.Kf1 Be4 67.Kg1 c2 68.Kh2 c1Q 69.Kg3 Qg1 70.Kh4 Kf4 71.Kh5 Qg5) 0–1. Frenzel,Lothar – Bendig,Frank, corr SOK–92–83, 1992.

2.a3 c6

3.Bb2 h5 4.Nf3 Rh6 5.g3 Nc7 6.Bg2 Nd5 7.c4 Ndf6 8.d3 Rg6 9.Nh4 Rg5 10.Qd2 Re5?? (better is 10...Rg4+–) 11.Be5 b5 12.cb5 cb5 (12...Bb7+–) 13.Ba8 d6 14.Bc3 Bd7 15.Bg2 1–0. linakip – lukasz4, kurnik, 2012.

3.e3 b5 4.a4 (4.Nc3 Nf6+=) 4...Nb4 5.a5?? (better is 5.ab5!? Bb7 6.Nf3+=) 5...d5 (5...Nf6!?–/+) 6.c3+= Na6 7.d3 e6 8.h4 Qf6 9.d4–/+ Nh6 10.g4 Ng8 11.g5 Qf5?? 12.f4 Qe4?? 13.Nf3+– Ne7 14.Qe2 Nf5 15.Rh3 Nd6 16.Bg2 e5 17.h5?? Bh3–+ 18.Bh3 ef4 19.Bg2? Qf5 20.ef4 Ne4 21.Na3? Be7 22.Ne5 Nc3 23.Qe3 Bb4 24.Nc6 Kd7?? 25.Bd2?? Rae8 26.Ne5= Kc7? 27.Bc3+– Bd6?? 28.Nb5 Kb8 29.Nd6 Qe6 30.Ndf7 Rhg8 31.Bh3 Qe7 32.Nc6 Kb7 33.Ne7 Nc7 34.Nd6 Kb8 35.Ne8 Re8 36.Bd7 Rf8 37.Rb1 Ka8 38.Bc6# 1–0. Eries – kiwi phill, ChessWorld.net, 2012.

3.e3 Nf6 4.Nc3 =.

3.e4 Nc7 4.Qf3 Nf6 5.d3 Nb5 6.c3 h6 7.a4 Nc7 8.Qg3 Nh5 9.Qh4 Nf6 10.Bb2 g5 11.Qh5?? (better is 11.Qg3=) 11...Nh5–+ 12.Be2 Nf4 13.Bf3 (13.c4 Rg8 14.g3 Ne2 15.Ne2–+) 13...Nd3 14.Kd2 Nb2 15.Ra2 Nc4 16.Kd1 Ne6 17.Be2 Ne5 18.h3 Qb6 19.a5 Qf2 20.Nd2 Qg2 21.Bf3 Nf3 22.Ngf3 Qh1 23.Kc2 Qh3 24.c4 g4 25.Ne5 g3 26.Nef3 g2 27.Ra1 Bg7 28.Re1 Bf6 29.e5 Bh4 30.Re4 Bg3 31.b5 Nc5 32.Rd4 Bf2 33.Kd1 Bd4 34.bc6 Qh1 35.Kc2 Qa1 36.cd7 Bd7 (36...Bd7 37.Nh2 Qe1 38.e6 Ba4 39.Nb3 Bb3) 0–1. Pekin Dragons – kiwi phill, ChessWorld.net, 2011.

2.a3 d5

3.Bb2 Nf6 4.Nf3 e6 5.Ne5 (5.e3 Nb8=) 5...Qe7 (5...Nb8 6.e3=) 6.e3+= c5 (6...Nb8 7.c4+=) 7.Bb5 (7.Ba6 ba6 8.bc5 Qc5+=) 7...Bd7 (7...Nd7+=) 8.Nc3 (8.Ba6 ba6 9.0–0 Rc8+=) 8...Nc7 (8...Bb5 9.Nb5 cb4 10.0–0=+) 9.Ba4 (9.Nd7 Nd7 10.0–0 a6 11.Bd7 Qd7=) 9...b5 (better is 9...Ba4 10.Na4 cb4=+) 10.Nb5? (better is 10.Bb3!?=) 10...Nb5 (better is 10...Bb5!? 11.Bb5 Nb5–+) 11.Nd7–/+ Qd7 12.Be5 (better is 12.Bf6 gf6 13.bc5 Bc5 14.Qf3–/+) 12...Ne4?? (better is 12...Rc8–+) 13.d3= f6 (13...Nf6 14.c4 a6 15.bc5 Bc5 16.Bf6 gf6 17.Rb1 (< 17.cb5 ab5 18.Bc2 Ba3=+) 17...dc4 18.dc4 Qd1 19.Rd1=) 14.Bb2 (better is 14.de4 a6 15.Bc3+=) 14...Nec3 (better is 14...Ned6 15.bc5 Nb7+=) 15.Qh5?? (better is 15.Bc3 Rb8 16.Bd2+–) 15...g6 16.Qh4?? Na4 17.Bc1 cb4 18.c4 dc4 19.Qc4 Qd5 20.Qb4 Bb4 21.ab4 Nbc3 22.Bd2 Qg2 23.Rf1 Rc8 24.h4 Qf3 25.Bc3 Nc3 26.Kd2 Qe2 27.Kc1 Qf1 28.Kb2 Qf2 29.Kb3 Qe3 (30.Ra5 Qd3 31.Rc5 Nd5 32.Kb2 Qd2 33.Kb3 Qb4 34.Kc2 Qc5 35.Kd1 Qe3 36.h5 Rc1#; 29...Nd5 30.Rc1 Rc1 31.Ka3 Ra1 32.Kb3 Qa2#) 0–1. Gregor123 – Turm87@, mySchach.de, 2004.

3.e4 de4–/+ 4.f3 Nf6 5.d3 (5.Nc3 Bf5+=) 5...ed3. JPKN3 – steveberkley, ChessWorld.net, 2016.

2.a3 e5

3.Bb2 d6 4.e4 =.

3.Bb2 Bd6 4.Nf3+= Nf6 5.Ne5+/– 0–0 6.e3 Re8 7.Nf3 Nh5 8.Be2 Kh8 (9.Ng1 Nf6+/–; better is 8...b6!?+/–). marcosr – edonaghy, net–chess.com, 2005.

3.e4+= Nf6 4.Nf3 Bd6 (4...Nb8 5.Nc3+=) 5.Ba6 Ne4?? (Better is 5...ba6 6.d3 a5+=) 6.Bc4+– f5 (6...Ng5 7.0–0+–) 7.0–0 Qf6 8.Re1 Rf8 (8...Ng5 9.Ng5 Qg5+–) 9.d3 Rf7 (9...b5 10.Bb5 Bb7+–) 10.Bf7 Kf7 11.de4 fe4 (11...f4 12.Bb2 Kf8 13.Nbd2+–) 12.Ng5 Kg6 (12...Ke7 13.Ne4 Qg6 14.f4+–) 13.Nc3 b6 14.Nce4 h6 15.Nf6 Kf6 16.Qf3 Kg6 (16...Ke7 17.Qf7 Kd8 18.Qg8 Ke7 19.Qg7 Kd8 20.Qf6 Ke8 21.Re5 Be5 22.Qf7 Kd8 23.Qf8#) 17.Qf7# 1–0. marekt – Scotty_Bro, ChessWorld.net, 2003.

2.a3 e6

3.Bb2 Nb8 4.e4 Qh4 5.d3 f6 6.Nf3 Qf4 7.Bc1 Qd6 8.Be2 h5 9.Nc3 Qc6 10.Bb2 Nh6 11.Qd2 Bd6 12.0–0 b5 (12...Qb6 13.d4+/–) 13.a4 (better is 13.Nd4!? Bh2 14.Kh2 Qd6 15.Kg1 Qd4 16.Nb5+/–) 13...Bb4+/– 14.d4 (14.Nd4!? Qb7 15.Bh5 Kd8 16.ab5+/–) 14...Bc3 15.Bc3 Qe4 (15...ba4 16.d5 Qd6 17.Ra4 ed5 18.ed5+/–) 16.Bb5 a6 17.Rfe1 Qf5?? (better is 17...Qd5 18.Bd3 Qc6+/–) 18.Nh4 (better is 18.Bd3 Qd5 19.Bg6 Kd8 20.Be4+–) 18...Qg4–+ 19.Nf3? ab5 20.a5 Bb7 21.Qe3 Nf5 22.Qe2 Ba6 23.d5 b4 24.Qe3 Ne3 25.Re3 Qf5 26.Bd4 Qd5 27.g3 Qc4 28.Rae1 Qc2 29.Nh4 Nc6 30.Kg2 Nd4 31.Re4 c5 32.Ng6 Rh6 33.Nf4 Bb7 34.Nd5 Bd5 35.Kg1 Be4 36.h4 Nf3 37.Kf1 Ne1 38.Ke1 Ra5 39.f3 Ra1# 0–1. pieeater – kiwi phill, ChessWorld.net, 2011.

3.Bb2 c5 4.b5 Nc7= 5.e3 Nf6 6.c4 Be7 7.Nf3 0–0 8.Be2 d6 9.0–0 b6 10.d3 Bb7 11.Nbd2 Nd7 12.Qc2 f5 13.d4 Bf6 14.e4 cd4 15.Nd4 Bd4 16.Bd4 e5 17.Bc3 Rc8 18.ef5 d5 19.Bb4 Nb5 20.Bf8 Nd4 21.Qd1 Qf8 22.Nf3 Ne2= 23.Qe2 e4 24.Nd2 Nc5 25.cd5 Ba6 26.Qg4 Bf1 27.Rf1 Re8 28.Re1 Qf6 29.Nf1 Qe5 30.Ne3+/– Nd3 31.Rd1 Qd6 32.Qg3 Ne5 33.Rc1 Qa3+= 34.Rc7 Nf7 35.h4 a5 36.Nc4 Qg3=+ 37.fg3 e3 38.Ne3+= Re3 39.Rc8 Nd8 40.Rd8 Kf7 41.Rb8 Kf6 42.g4+/– Rd3 43.Rb6 Ke5 44.Rb7 Rd5 45.Rg7+– a4 46.Re7 Kf4 47.f6 Kg3? 48.Re3 Kg4 49.f7 (49...Rf5 50.Rf3 Rf7 51.Rf7+–) 1–0. Bulcourf,Carlos (2295) – Riveiro,Jorge, Buenos Aires op3, 1993.

3.Bb2 d5 4.e3 =.

3.e3 Nf6 4.Bb2 d5 5.Nf3 Bd6 6.c4 dc4 7.Bc4 0–0 8.d4 c6 9.Nbd2 Qe7 10.Qc2 h6 11.0–0 Nc7 12.Rfe1 a6 13.Rac1 Ncd5 14.e4 Nb6 15.e5 Ng4 16.ed6 Qd6 17.Ne5 Ne5 18.de5 Qe7 19.Ba2 Nd7 20.Bb1 g6 21.Re3 Nb6 22.Rh3 Kh7 23.Ne4 Nd5 24.Nf6 Nf6 25.ef6 Qd6 26.Rd1 Qf4 27.Bc1 Qg4 28.Bh6 Kg8 29.Bg7 Qh3 30.gh3 Re8 31.Qe4 Rb8 32.Qh4 1–0. ognos (1670) – robersz, kurnik, 2012.

3.e4 d5 +=.

2.Bb2 Nb4

3.a3 Nc6 4.c4 Na5 5.a4 Nc4 6.Qb3 Nb2 7.Qb2 Nf6 8.e3 e6 9.g4 Ng4 10.Be2 Qf6 11.Nc3 Qf2 12.Kd1 Nf6 13.Nf3 Qg2 14.Rg1 Qh3 15.Nb5 Kd8 16.Ra3 c6 17.Nbd4 d5 18.Rb3 Qh6 19.h4 Ne4 20.Rb7 e5 21.Qb5 cb5 0–1. xtom – wozlew (1620), kurnik, 2012.

3.c3 Nc6 4.Nf3 –/+.

3.c3 Nd5 4.c4 Nb4 5.a3 b5?? 6.ab4+– bc4 7.g4 Rb8 8.Ra7+– Rb4 9.Ba3 Rb3 10.e4 d5 11.ed5 Qd5+= 12.Rc7?? Qe5–+ 13.Qe2 Rb1 14.Bc1 Rc1 0–1. bouffant – wonderhorse, net–chess.com, 2006.

3.c3 Nd5 4.c4 Nb4 5.a3 Nc6 6.d4 e6 7.g4 Nh6 8.h3 b6 9.Bg2 Bb7 10.d5 Na5 11.Nd2 Rb8 12.Qc2 Qg5 13.Ne4 Qe7 14.f4 Rc8 15.0–0–0 Qh4?? 16.Nf3?? Qe7 17.Qc3?? c6?? 18.Qd4?? Nb3–+ 19.Kc2 Nd4 20.Rd4 g6 21.d6 Qd8 22.Rd3 Rg8?? 23.Bf6 Be7?? 24.Be7 Qe7 25.de7 c5 26.Nd6 Ke7 27.Nb7 a5 28.Rhd1 Rc7 29.Nd6 f6 30.Ne4 f5 31.Nfg5 fe4 32.Be4 Rf8 33.f5 ef5 34.gf5 gf5 35.Nh7?? Rg8?? 36.h4 Rg4?? 37.Rf3?? Re4–+ 38.Ng5? Rc4 39.Kb2 Rh4 40.e4? Rh2 41.Kc3 Kf6 42.Rg3 b5 43.Nh7 Ke5 44.Rd5 Ke4 45.Nf6 Kf4 46.Rgd3 b4 47.ab4 cb4 48.Kb3 Rh1 49.R3d4 Kg5 50.Nd7 Rb1 51.Ka4 Ra1 52.Kb5 b3 53.Rb4 ab4 54.Kb4 b2 55.Ne5 b1Q 0–1. dsais – gperez, net–chess.com, 2002.

2.b5 Nb8

(--> 1.b4 Nc6 2.b5 Nb8).

3.Bb2 d5 (-->1.b4 d5 2.Bb2 Nc6 3.b5 Nb8).

2.b5 Nc5

3.Ba3 Ne4 4.f3 Ng5 5.Nh3 (5.e4 Nf6=) 5...Ne6 (better is 5...Nh3 6.gh3 e5–/+) 6.e3 Nf6 7.g4 Nd5 8.c4 Nf6 9.d4 c5 10.d5 (10.dc5?! Qc7 11.Nc3 Nc5+=) 10...Nc7 11.Bc5 d6 12.Bb4 a5 13.Bc3 Nd7 14.Bd4 b6 15.f4 f6 16.g5 f5?? (16...e5 17.de6! Ne6 18.Bg2+–) 17.Nc3 (better is 17.Qh5 g6 18.Qh4+–) 17...e5 18.fe5?? de5–/+ 19.Bb6 Nb6 20.d6 Ne6 21.Bg2 e4 22.Na4? Nc4 23.Qd5 Ne3 24.Qa8 Nc2 25.Ke2 Na1 26.Ra1 Bd6 27.Rc1? Nc7 28.Qa5 Bh2 29.b6?? Nd5 30.Kf2 Bd7?? 31.Qd5+– Qb8 32.Rc7?? Bc7–/+ 33.Nc5? Bb5?? 34.Qe6 Kd8 35.bc7 Qc7 36.Qd5 (36.Qd5 Ke7 37.Qf5 e3 38.Ke3 Qg3 39.Kd4 Qg2 40.Qe5 Kf7 41.g6 Qg6 42.Ng5 Qg5 43.Qg5+–) 1–0. pjc49 – kiwi phill, ChessWorld.net, 2012.

3.a4 a6 4.Ba3 b6 5.c4 e6 6.d4 Nb7 7.Bf8 Kf8 8.e4 c6 9.Nc3 ab5 10.cb5 Nd6 11.e5 Nf5 12.Bd3 Nd4 13.Be4 Nf5 14.bc6 Ra5 15.Nf3 Nge7 16.Bf5 Nf5 17.g4 Ne7 18.Qd6 g6 19.c7 Qe8 20.Qb6 Ra6 21.Qb2 Rc6 22.Nb5 Nd5 23.Nd6 Qe7 24.Nc8 Qb4 25.Qb4 Nb4 26.Rb1 Rc7 27.Nd6 Nc6 28.0–0 Kg7 29.Ng5 Ra8 30.Ra1 Ne5 31.Rfe1 f6 32.Nb5 Rc4 33.f4 Nd3 34.Red1 Nf4 35.Rd7 Kg8 36.Nh7 f5 37.Nf6 Kf8 38.Nd6 Rca4 39.Rf7 1–0. jura1946 – bentwhistle, kurnik, 2012.

3.a4 a6 4.c4 e6 5.Bb2 Nf6 6.g3 d6 7.Bg2 Be7 8.Nf3 0–0 9.0–0 ab5 10.cb5 b6 11.Nd4 d5 12.Nc6 Qe8 13.d4 Nb7 14.Nc3 Bd7 15.Ne7 Qe7 16.Ba3 Nd6 17.e4 de4 18.Ne4 Nfe4 19.Be4 Rad8 20.d5 Qg5 21.de6 Be6 22.Bg2 Nb5 23.Qc2 Na3 24.Ra3 Qe7 25.Rc3 c5 26.Re3 Qa7 27.Bc6 Bd5 28.Bb5 Rd6 29.Rfe1 g6 30.Re8 Be6 31.Rf8 Kf8 32.Qc3 Kg8 33.Qf6 Qa8 34.h4 h5 35.Qg5 Kg7 36.Qe5 Kh7 37.Qd6 Qf3 38.Qb6 Bh3 39.Qc6 Qc3 40.Qe4 Bf5 41.Qe3 Qb4 42.Rc1 Qb2 43.Qc5 1–0. rryy44 – bentwhistle, kurnik, 2012.

3.a4 g6 4.Bb2 Nf6 5.Nf3 Bg7 6.g3 0–0 7.Bg2 Re8 8.0–0 d6 9.c4 e5 10.d3 c6 11.bc6 bc6 12.Nfd2 Rb8 13.Ba3 Bb7 14.Bc5 dc5 15.Nc3 Qa5 16.Nce4 Ne4 17.Ne4 Red8 18.Rb1 f5 19.Ng5 Rd6 20.e4 h6 21.Nh3 g5 22.ef5 g4 23.Qg4 Rd3 24.f6 1–0. rryy44 – bentwhistle, kurnik, 2012.

3.Bb2 a6 4.a4 c6 (4...d5 5.ba6 Ra6 6.e3=) 5.e3 (better is 5.Nc3=) 5...g5?? (better is 5...Nf6=) 6.Bh8+– f6 (6...ab5 7.ab5 Ra1 8.Ba1 d6+–) 7.Qh5# 1–0. Taulien,Christian (2110) – Wier,Daniel (2000), remoteschach.de, 2002.

3.Bb2 a6 4.ba6 Ra6 5.d4 Na4 6.Bc1 e6 7.e4 Rb6 8.c4 Bb4 (better is 8...Rb1!? 9.Rb1 Nc3=) 9.Bd2+/– Bd2 10.Nd2 Rb2?? (better is 10...Ra6+/–) 11.Qa4+– Rd2 12.Kd2 Qg5 13.Kc2 Nf6 14.f3 Ne4 (14...0–0+–) 15.fe4 Qe3 16.Nf3 Qe4 17.Kb2 0–0 18.Re1 Qf4 19.Qb5 c6 (19...f6 20.Bd3+–) 20.Qe5 Qh6 21.c5 f6 22.Qc7 e5 (22...Qh5+–) 23.Bc4 Kh8 24.Qd6 g5 25.Ne5! b5 (25...fe5 26.Qh6) 26.Nf7 Rf7 (26...Kg7 27.Nh6 bc4 28.Nf5 Kg6 29.Qf8 c3 30.Kc3 Kf5 31.Rhf1 Kg4 32.Re4 Kh5 33.Qf7 Kh6 34.Rf6#) 27.Bf7 (27.Re8 Kg7 28.Bf7 Kf7 29.Qe7 Kg6 30.Rg8 Kh5 31.Qe2 Kh4 32.Qf2 Kh5 33.Qf3 g4 34.Qg4#) 27...Qh4 (27...Kg7 28.Re8 Kf7 29.Qe7 Kg6 30.Rg8 Kh5 31.Qe2 Kh4 32.Qf2 Kh5 33.Qf3 g4 34.Qg4#) 28.Qf6# 1–0. Trkn – guest2875, ICC, 2004.

3.Bb2 d5 4.a4 Nf6 5.d4 Nce4 6.e3 c5 (better is 6...Bf5 7.Bd3 Qd6=) 7.Nf3? (7.f3 Qa5 8.c3 Ng5=) 7...Bg4?? (better is 7...Ng4 8.Qe2 Qa5 9.c3 Bf5–+) 8.Be2 e6 9.0–0 Bd6 10.Nbd2 0–0 11.c4 cd4 12.Nd4 Be2–/+ 13.Qe2 Nd2 14.Qd2 Ne4 15.Qe2 Qh4 16.g3= Qh3 17.cd5 ed5 18.Rfc1 h5 19.Ba3 Ba3 20.Ra3 h4 21.Qf3 hg3 22.hg3 Ng5? 23.Qg2?? Qd7 24.Rac3+/– Ne4 25.Rc7+– Qg4 26.Rb7 a6 27.b6 g6 28.Qf3 Qh3 29.Rcc7 Ng5 30.Qd5 Qh5 31.Ra7 Nh3–+ 32.Kg2 Qd5 33.Kh3 Kg7 34.Ra8 Ra8 35.b7 Rh8 36.Kg4 Rh5 37.b8Q?? Qg5 38.Kf3+– (38.Kf3 Qd5 39.Ke2 Qa2 40.Nc2 Qa4 41.Qb2 Kf8 42.Nd4+–) 1–0. carocan (1690) – kramnikgari (1730), kurnik, 2012.

3.Bb2 d5 4.a4 Nf6 5.e3 Bf5 6.c4 (6.Nf3 e6=) 6...e6 (6...dc4 7.Bf6 ef6 8.Bc4–/+) 7.Nf3 (7.d4 Nce4 8.Nc3 Bb4+=) 7...Bd6 (7...dc4 8.Bc4 Bd3 9.Bb3–/+) 8.Be2 (8.d4 Nce4 9.Nc3 Ng4 10.Ne4 de4+=) 8...0–0 (8...Nd3 9.Bd3 Bd3 10.cd5 Nd5 11.Qb3–/+) 9.0–0? (9.d4 Nce4 10.c5 Be7=) 9...Re8 (better is 9...Nd3 10.Bf6 Qf6–/+ (worse is 10...gf6 11.cd5 Nb4 12.de6+/–)) 10.d4= Nce4 11.Nbd2 (11.c5 Be7+=) 11...h6 (11...Nd2 12.Nd2 Bb4 13.Ba3 Ba3 14.Ra3=) 12.Ne4+= Ne4 13.Nd2 Qh4= 14.g3 Ng3?? 15.Nf3?? Ne2–+ 16.Qe2 Qh3 17.Ne5 f6 18.c5 fe5 19.cd6 cd6 20.de5 de5 21.Be5 Bg4 22.f3 Bf5 23.Rf2 Rac8 24.Rg2 g5 25.e4 de4 26.fe4+= Bg6 27.Rd1 Red8 28.Rg3 Qh5 29.Qh5= Bh5 30.Rd8 Rd8 31.Rc3 Rd2 32.Rc7 Bf3 33.Rb7+/– Be4 34.Ra7 Rg2 35.Kf1+– Rh2?? 36.Rg7 Kf8+= 37.a5 Bd5 38.a6 Ra2 39.Rh7 Bc4= 40.Ke1 Bb5 41.Rh6? Ra6?? 42.Rg6+= Bc4 43.Rg5 Ke7 44.Rg7= Kd8 45.Rc7 Ra5+= 46.Bf4 1–0. carocan (1690) – kramnikgari (1725), kurnik, 2012.

3.Bb2 d5 4.e3 Qd6 5.Nf3 Ne4 6.Be2 Ngf6 7.0–0 Ng4 8.h3 Ngf6 9.d3 e6?? (Better is 9...Nc5+=) 10.de4+– Bd7 (10...Ne4 11.c4 f6+–) 11.e5 Qb6 12.ef6 gf6 13.Bd4 Qd6 14.Bf6 Rg8 15.Qd3 e5 (15...Rg6 16.Be5 Qb6 17.Bd4+–) 16.Be5 Qb6 (16...Qh6 17.Qd5 Qh3 18.Bg3+–) 17.Nc3 0–0–0 18.Nd5 Qe6 19.Qh7 Bc5 20.Nf4 f6 (20...Qe8+–) 21.Ne6 Be6 22.Qc7 1–0. Brennecke,Willi – Grimm,Wolfgang, D0103 DESC, 2001.

3.Bb2 Nf6 4.Nf3 g6 5.e3 Bg7 6.d4 Nce4 7.Nbd2 b6 8.Ne4 Ne4 9.Nd2 Nd6 10.Bd3 0–0 11.0–0 Bb7 12.c4 a6 13.Qc2 Ra7 (13...ab5 14.c5 Nc8 15.Bb5+=) 14.a4 Qa8 15.f3 f5 16.c5 Nc8 17.e4 e6 18.Rfc1 ab5 19.ab5 Bh6 20.Ra7 Na7 21.ef5 gf5 22.Re1 Bd5 23.Nc4 Nc8 (23...bc5!? 24.dc5 Nb5+=) 24.Ne5 d6 (better is 24...Rd8!?+/–) 25.Ra1+– Na7 26.Nd7 Rf7 27.cb6 Be3 28.Kh1 (better is 28.Kf1 Rd7 29.Ra7+–) 28...Rd7? (28...cb6 29.Nb6 Qb7 30.Nd5 ed5 31.Bf5 Re7+–) 29.Ra7 (29.ba7 c5 30.bc6 Rc7+–) 29...Qb8 (29...Qc8 30.Bf5! ef5 31.Qf5+– (31.bc7?! Re7+/–)) 30.Rc7 (30.bc7 Rc7 31.Rc7 Qb6 32.Bf5 ef5+–) 30...Rd8 (30...Qe8+–) 31.Bf5! Qb6 32.Bh7 Kh8+– 33.Bd3 Qa5 34.Rh7 Kg8 35.Bf1 Qe1 36.Qg6 (36.Qg6 Kf8 37.Qf7) 1–0. Klein,Andreas (1980) – Tonndorf,Matthias (2115), Wilhelm Werner Memorial–M, 2004.

3.Bb2 Nh6 4.c4 f6 5.d4 Ne6 6.e4 g6 7.Bd3 Nf4 8.Bf1 g5 9.g3 Ng6 10.Bd3 c6 11.a4 d5 12.Qc2 dc4 13.Bc4 Bg7 14.Ne2 Nf7 15.bc6 bc6 16.Bf7 Kf7 17.Qc6 Be6 18.0–0 Rc8 19.Qa6 Rc2 20.Bc3 Qb6 21.Qb6 ab6 22.d5 Bh3 23.Rc1 Re2 24.Bd4 Re4 25.Bb6 f5 26.Nd2 Ba1 27.Ne4 fe4 28.Ra1 Ne5 29.a5 Ra8 30.a6 Nc4 31.Bd4 Nd6 32.a7 Nb5 33.Be3 Bd7 34.Ra4 h6 35.Re4 Ra7 36.Ba7 Na7 37.f4 g4 38.Rb4 Nb5 39.Kf2 Ke8 40.Ke3 Kd8 0–1. karoo54 (1615) – cucarachacha (1855), kurnik, 2012.

3.c4 g6 4.Bb2 Nf6 5.e3 Bg7 6.d4 Ne6 7.Bd3 0–0 8.Nc3 b6 (8...a6 9.Nf3=) 9.Nf3 Bb7 10.a4 d5 11.cd5 Nd5 12.Rc1 (12.Nd5 Bd5 13.Qc2 Nc5+=) 12...Nb4 (12...c5 13.Nd5 Bd5 14.0–0=) 13.Be2 Rc8 14.Qb3 (14.0–0 c5=) 14...a5 (14...Bf3 15.gf3 (< 15.Qb4 c5 16.dc5 Bg2=+) 15...c5 16.bc6 Nc6 17.Qb5=) 15.ba6 Na6 16.0–0 c5 (16...Qd6+=) 17.Rfd1 (17.d5 Nec7 18.e4 Nb4+/–) 17...Qc7 (better is 17...cd4 18.Nd4 Bd4 19.ed4 Nd4=+) 18.d5+/– c4 19.Qb5 Nec5 20.Bc4 (20.Qc4 Rfd8+/–) 20...Rfd8 (20...Nb8 21.Nd2+/–) 21.Ba3 (21.e4 Qf4+–) 21...Bc3+/– 22.Rc3 Ne4 (22...e6 23.Qb1+/–) 23.Rc2 (23.Rcc1 Nd6 24.Bd6 Rd6+–) 23...e6 (better is 23...Nac5 24.Bc5 Qc5+–) 24.Bd3 (24.Nd4 e5 25.Bd3 Nc3+=) 24...Nec5 (better is 24...Nc3!? 25.d6 Qb8 26.Rc3 Rc3=) 25.de6+/– fe6 (25...Bf3 26.gf3 fe6 27.Rdc1+/–) 26.Be2 (26.Nd4!? Bc6 27.Nc6 (27.Bc5 Bb5 28.Nb5 Rd3 29.Rd3 Qe5–+) 27...Qc6 28.Rdc1+–) 26...Rd1 27.Bd1 Rd8 28.Be2 (28...Bc6 29.Qb1 Ba4 30.Rb2+/–) 1–0. Starosta,W – Morrison,Robert, Arlington CC, 1990.

3.d4 Na4 4.c4+/– Nb6 5.c5 Nc4 6.e4 d5 7.ed5 Qd5? (better is 7...Na5+/–) 8.Nc3+– Qe6 9.Be2 b6 10.Nf3 bc5 (10...Na5+–) 11.Ng5 Nb2 (11...Qd7 12.Bc4 e6 13.d5+–) 12.Bb2 Qg6 (12...Qf5 13.Bf3 Qg5 14.Ba8+–) 13.Nd5 Bb7 (13...Qg5 14.dc5 f6 15.Nc7 Kf7 16.Na8 Qg2+–) 14.Nc7 Kd7 15.dc5 Kc7 16.Be5 Kc8 17.c6 Bc6 (17...Nf6 18.cb7 Kb7 19.Bf3 Nd5 20.Qd5 Kb6 21.a4 Qb1 22.Rb1 Rc8 23.Qb7 Kc5 24.Qc8 Kb6 25.Qc7) 18.bc6 Qc6 (18...Qd6 19.Bd6 a6 20.Qb3 ed6 21.Qb7 Kd8 22.Qd7) 19.Rc1 Qc1 (19...Kb7 20.Rc6 Rb8 21.Rc7 Ka8 22.Qd5 Rb7 23.Qb7) 20.Ba6 1–0. pierred (2825) – acaudron (2295), net–chess.com, 2015.

3.e3 a6 4.c4 ab5 5.cb5 c6 6.Qc2 b6 7.d4 Na4 8.Nc3 Nc3 9.Qc3 Bb7 10.a4 g6 11.Nf3 Bg7 12.Bb2 c5 13.Be2 Rc8 14.Qb3 cd4 15.ed4 Nf6 16.0–0 0–0 17.Rfc1 d6 18.Nd2 Qd7 19.Bf3 Bf3 20.Nf3 Nd5 21.Qd5 1–0. marvis – suzukimono (1865), kurnik, 2012.

3.e3 b6 4.Nf3 a5 5.a4 Nf6 6.d4 Na4?? (better is 6...Nce4 7.Bd3 Bb7+=) 7.Ra4+– g6 8.Be2 Bh6 9.c4 Bb7 10.0–0 Ne4 11.Qd3 Nd6 12.Bb2 Bg7 13.Ra2 h5 14.c5 Ra6 15.Ne5 h4 16.ba6 Ba6 17.Qa6 Rh5 18.cd6 cd6 19.Nf7! Qc7 20.Nd6! ed6 21.Qa8 Ke7 22.Bh5 gh5 23.Qe4 Kd8 24.Qh4 Bf6 25.Qf6 Kc8 26.Rc1 Kb8 27.Rc7 Kc7 28.Nc3 h4 29.Qh4 d5 30.Nd5 Kb7 31.Qe4 a4 32.Ra4 d6 33.Ba3 b5 34.Rb4 Ka7 35.Rb5 Ka6 36.Qd3 Ka7 37.Bd6 Ka8 38.Rb8 Ka7 39.Qa3# 1–0. ariank – pietiakw, kurnik, 2012.

3.e3 c6 4.c4 cb5 5.cb5 e6 6.d4 Ne4 7.Bd3 Qa5 8.Bd2 Nd2 9.Nd2 Bb4 10.Ngf3 Nf6 11.0–0 d5 12.a4 Bd2 13.Nd2 0–0 14.Nb3 Qb4 15.Qc2 b6 16.Rfb1 Qe7 17.h3 Bb7 18.g4 Rac8 19.Qe2 e5 20.a5 e4 21.Bc2 Rc3 22.ab6 ab6 23.Ra7 Rfc8 24.Bd1 Qc7 25.Kg2 Ne8 26.Nd2 Nd6 27.f3 Qb8 28.Rba1 ef3 29.Nf3 Nc4 30.Ne5 Re3 31.Qf2 Re4 32.Qf7 Kh8 33.Rb7 Qb7 34.Qb7 Nd6 35.Nf7 1–0. jura1946 – bentwhistle, kurnik, 2012.

3.e3 Nf6 4.d4 Ne6 5.Bb2 d5 6.Nf3 g6 7.Nbd2 Bg7 8.c4 0–0 9.Be2 c5 10.0–0 b6 11.a4 Bb7 12.Ne5 dc4 13.Ndc4 cd4 14.Bd4 Nd4 15.ed4 Nd5 16.Bf3 e6 17.Rc1 Qe7 18.a5 Rac8 19.ab6 Nb6 20.Bb7 Qb7 21.Nc6 Rc6 22.bc6 Qc6 23.Nb6 Qb6 24.d5 Rd8 25.Rb1 Qa6 26.d6 Qd6 27.Qa4 Qe7 28.Rfd1 Rd1 29.Rd1 h5 30.Rd7 Qc5 31.g3 h4 32.Qa7 Qa7 33.Ra7 hg3 34.hg3 Bd4 35.Rd7 Be5 36.Kg2 Kg7 37.Kf3 Bc3 38.Ke4 Be1 39.Ke3 Bb4 40.g4 Bc5 41.Ke2 Bb6 42.f4 Ba5 43.Kf3 Bc3 44.Ke4 Bb2 45.Kd3 Ba1 46.Kc4 Bb2 47.Kc5 Bc1 48.Rd4 Be3 49.Kc4 Bd4 50.Kd4 Kf6 51.Ke4 g5 52.f5 ef5 53.gf5 Ke7 54.Ke5 f6 55.Ke4 Kd6 56.Kd4 g4 57.Ke4 g3 58.Kf3 Ke5 59.Kg3 Kf5 60.Kf3 Ke5 61.Ke3 Kd5 62.Kd3 Ke5 63.Ke3 Kf5 64.Kf3 Kg6 65.Kg4 Kf7 66.Kf5 Ke7 67.Kf4 Ke6 68.Ke4 f5 69.Kf4 Kf6 70.Kf3 Kg5 71.Kg3 Kg6 72.Kf4 Kf6 73.Kf3 Ke5 74.Ke3 f4 75.Kf3 Kf5 76.Kf2 Kg4 77.Kg2 f3 78.Kf2 Kf4 0–1. druhynejhorsi (1760) – suzukimono (1770), kurnik, 2012.

3.d4 Ne4

4.Bb2 c6 5.c4 (5.Qd3 Qa5 6.Nd2 Qd2 7.Qd2 Nd2 8.Kd2 cb5+=) 5...Ngf6 (5...Qa5 6.Bc3 Nc3 7.Qd2–/+) 6.Nd2 (6.Qb3 cb5 7.Qb5 Qc7=) 6...e6 (6...cb5 7.cb5 Qa5 8.e3+=) 7.Ngf3 (7.Qa4 Nd2 8.Kd2 Ne4 9.Ke3 Nd6+=) 7...a6 (7...cb5 8.c5–/+) 8.a4 (8.bc6 bc6 9.c5 Rb8=) 8...d5 (8...Bb4 9.bc6 Nd2 10.Nd2–+) 9.e3 (9.bc6 bc6 10.e3 Bb4=) 9...Bd6 (9...Bb4 10.bc6 Ng4 11.cb7 Bb7 12.a5–/+) 10.c5 Bc7 (10...Be7 11.b6+=) 11.Ne4 (11.b6 Bb8+=) 11...de4 12.Nd2 e5? (better is 12...ab5 13.ab5 Ra1 14.Qa1 cb5 15.Bb5 Bd7+=) 13.b6+– Bg4? (better is 13...Bb8 14.de5 Bg4+–) 14.bc7 Qc7 15.Be2 Bh5 16.Bh5 b5 17.ab5 cb5 18.Be2 b4 19.Ra6 Qc8 20.Qa4 Nd7 21.Ra8 0–0 22.Rc8 Rc8 23.Qd7 Rb8 24.c6 h5 25.Ne4 b3 26.Bc4 Rb4 27.Qf7 Kh7 28.Qh5 1–0. Trkn – Homer_Simpson, itsyourturn.com, 2000.

4.c4 d5 5.c5 b6 6.f3 Nef6 7.c6 a6 8.e3 ab5 9.Bb5 Ba6 10.Ba6 Ra6 11.a4 e6 12.Bd2 Qa8 13.Qc2 Ne7 14.Nc3 Qc6 15.Nge2 Nf5 16.0–0 Be7 17.Rfc1 Kd7 18.g4 Nd6 19.Qb3 Nc4 20.Qb5 Qb5 21.Nb5 c6 22.Rc4 dc4 23.Nbc3 Rha8 24.e4 Bb4 25.Kf2 b5 26.Rb1 Bc3 27.ab5 cb5 28.Bc3 Rb8 29.Bb4 Ra2 30.Ke3 Ne8 31.e5 Nc7 32.h4 Nd5 0–1. blackiwhite (1640) – bordelar (1860), kurnik, 2012.

4.c4 e6 5.Bb2?? (5.e3 d5=) 5...c6?? (5...Bb4 6.Nc3 Qh4 7.g3 Nc3 A) 8.gh4?? Ne4 (8...Nd1?! 9.Kd1 Nf6 10.a3+=) 9.Qd2 Bd2 10.Kd1 Ba5–+ (worse is 10...Nf2 11.Kd2 Nh1 12.Ke1–+); B) 8.Qd2–+) 6.a4?? (better is 6.Qa4=) 6...Qa5 7.Nd2 Bb4 8.Ngf3+= Ngf6 9.e3 Nd2 10.Nd2+= Ne4 11.Bc1 Nd2 12.Bd2+= Bd2 13.Qd2 Qd2 14.Kd2 cb5 15.ab5 b6 16.Bd3 Bb7 17.f3 0–0 18.e4 d5 19.cd5 ed5 20.e5 f6 21.e6 Rfe8 22.Rhe1 Re7 23.f4+– g6 24.g4 Bc8 25.f5 gf5 26.Bf5 Kg7 27.h4 Kh6 28.Ra3 a6 29.Rea1 a5 30.Rc3 Be6 31.Rc6 Bf5= 32.gf5 Kg7 33.Rb6+= h5 34.Rg1+– Kf7 35.Rg6 a4?? 36.Rgf6 Ke8? 37.Ra6 Rea7? 38.Kc3 Rc7 39.Kb2 Ra6 40.Ra6 Rc4 41.Rh6 Rb4 42.Ka3 Rb5 43.Ka4 Rb1 44.Rh5 Kf7 45.f6! Kf6 46.Rd5 Rf1? 47.Kb5 Rf4 48.h5 Ke6 49.Kc5 Rh4 50.Re5 Kf6 51.Kd5 Kf7 52.Rf5 Kg7 53.Ke5 Kh6 54.d5 Kg7 55.d6 Rh1 56.Ke6 Rd1 57.d7 Rh1 58.d8Q Rh5 59.Rh5 (59.Rh5 Kg6 60.Qg5#; 59.Rf7 Kg6 60.Qf6#) 1–0. olawoj – bentwhistle, kurnik, 2012.

4.Qd3 d5 5.g3 (5.f3!? Nd6 6.Nc3=) 5...Bf5–/+ 6.Bh3 Bh3 7.Nh3 Ngf6 8.f3 Nd6 9.0–0 (9.Bf4 e6+=) 9...Qd7–/+ 10.Nf4 Qb5 11.Nc3 Qd3 12.cd3 e6 13.e4 de4 14.de4 Nc4 15.Nb5 Kd7 16.Nd3 c6 17.Nc3 Bb4?? (17...Rd8 18.Bg5 Ke8 19.Ne2–/+) 18.Ne2?? (better is 18.Nb4 Ke7 19.Rb1+–) 18...Kc7?? (better is 18...Be7–/+) 19.Nb4+– 1–0. mikebaldini (1660) – chris_jz0pkr (1695), gameknot.com, 2015.

4.e3 b6 5.Bd3 Bb7 6.f3 Nd6 7.e4 e6 8.Ne2 f5 9.e5 Nf7 10.Be3 g5 11.Nd2 Ne7 12.h4 gh4 13.Rh4?? (better is 13.Nf4=) 13...Nd5–+ 14.Bf2 Ne3! 15.Be3 Qh4 16.g3 Qh1 17.Kf2 Qh2 18.Kf1 Bh6 19.Bh6 Nh6 20.Qe1 a6 21.ba6 Ba6 22.Ba6 Ra6 23.Qf2 Qf2 24.Kf2 Nf7 25.Nc3 Ke7 26.Rh1 Ra3 27.Ndb1 Ra5 28.f4 b5 29.a3 c6 30.Ke3 Raa8 31.Ne2 h5 32.Kf3 Nd8 33.Ke3 Nb7 34.Kd3 d5 35.Kc3 Na5 36.Kb4 Nc4 37.Kb3 Ra4 38.Nec3? (38.Rh4–+) 38…Na5 (38...Na5 39.Kb2 Rd4–+) 0–1. Ramme,C (2090) – Welling,G (2320), Bad Wiessee GER, 2011.

4.e3 d5 5.Nd2 Bf5 6.Ne4 Be4 7.Bd3 Nf6 8.Be4 Ne4 9.Nf3 e6 10.0–0 Bd6 11.Nd2 Nc3 12.Qe1 Nb5 13.c4 dc4 14.Nc4 c6 15.a4 Nc7 16.Nd6 Qd6 17.Qd1 Nd5 18.Ba3 Qd7 19.Rb1 Nc3 20.Qb3 Nb1 21.Rb1 b6 22.a5 Rb8 23.Qc4 Qd5 24.Qa4 b5 25.Qb4 Qd7 26.Rc1 Rc8 27.f4 f6 28.Kf2 Kf7 29.g4 h5 30.g5 fg5 31.fg5 Kg6 32.h4 Rhf8 33.Kg3 Qf7 34.Qb1 Qf5 35.Qf5 Rf5 36.Bd6 Rd5 37.Bc5 a6 38.e4 Rd7 39.Kf4 e5 40.Ke5 Re8 41.Kf4 Rf7 42.Ke3 Re6 43.e5 Rf5 44.Bd6 Rf7 45.Rc6 Rb7 46.Ra6 b4 47.Rb6 Rb6 48.ab6 b3 49.b7 Re8 50.Kd3 Kf5 51.Kc3 Ke4 52.b8Q Rb8 53.Bb8 b2 54.Kb2 Kd4 55.e6 1–0. carocan (1625) – anman (1780), kurnik, 2012.

4.e3 d5= 5.Bd3 Bd7 6.a4 (6.Nf3 Bf5=) 6...Ngf6 (6...e5 7.Nf3 Bb4 8.Nfd2 ed4 9.ed4=) 7.Qe2 (7.Ne2 Nd6=) 7...e6 8.Nf3 Be7 (8...Bb4 9.Bd2 Bd6 10.0–0=) 9.0–0 0–0 10.Ba3 (10.Ne5 c5+=) 10...Bd6 (10...Ba3 11.Ra3 c5 12.c4=) 11.Bd6 (11.Ne5 Ba3 12.Ra3 Rc8+=) 11...Nd6 (11...cd6 12.a5+=) 12.c4 (12.Nbd2 Qe8+=) 12...b6 (12...dc4 13.Bc4 Nc4 14.Qc4+=) 13.Qc2 (13.cd5 ed5 14.Rc1 a6 15.ba6 Re8+/–) 13...h6 (13...dc4!? 14.Bc4 c6+=) 14.Nbd2 (14.c5 bc5 15.dc5 Nde4+/–) 14...Qe7 (14...c6 15.c5 bc5 16.dc5+/–) 15.cd5 (15.Ne5 a6+/–) 15...ed5 16.Rfe1 (16.Ne5 Rfc8+/–) 16...Rac8 (16...c6 17.bc6 Bc6 18.Ne5+= (worse is 18.Qc6 Rac8 19.Ne5 Rc6 20.Nc6 Qb7–/+)) 17.e4 (17.Ne5 a6+/–) 17...de4+= 18.Ne4 Be6 (18...c5 19.dc5 Nfe4 20.cd6+/–) 19.Nd6 (19.Nc3 Qd8+/–) 19...Qd6 (19...cd6 20.Qd2+=) 20.h3 (20.Rac1 Rfe8+=) 20...c5 (20...c6 21.Qe2=) 21.dc5 Rc5 22.Qe2 Rfc8 23.Nd2 (23.Rad1 Rd5=) 23...Rc3 Black begins to deal mighty blows 24.Be4 (24.Bb1 Bd5=) 24...Ra3 (24...Qf4 25.Bb1=) 25.Bc6= Ra1 26.Ra1 Qd4 27.Qe1 Bd5 28.Bd5 Qd5 29.Rc1?? (better is 29.Nf3=) 0–1. Wartig,Wolfgang – Andre,Karl, corr (year?).

4.e3 d5 5.Bd3 Ngf6 6.Nf3 e6 7.0–0 Bd6 8.Bb2 0–0 9.c4 c6 10.c5 Bc7 11.a4 Bd7 12.Nc3 Nc3 13.Bc3 b6 14.Bb4 Re8 15.Qc2 Rc8 16.Rfc1 Bb8 17.Ng5 h6 18.Nf3 e5 19.de5 Be5 20.Ne5 Re5 21.Bc3 Re8 22.Bd4 Ne4 23.Be4 Re4 24.cb6 cb5 25.Qb3 ab6 26.Qd5 Re8 27.ab5 Qe7 28.Bb6 Qg5 29.Qg5 hg5 30.Rcb1 Rb8 31.Bc7 Rb5 32.Rb5 Bb5 33.Rb1 Rc8 34.Rb5 Rc7 35.g3 f6 36.Kg2 Rc4 37.Kf3 Kf7 38.Rb7 Kg6 39.h3 Ra4 40.g4 Rc4 41.Re7 Ra4 42.e4 Rb4 43.Kg3 Rb3 44.f3 Rc3 0–1. popovicigelu – pajac500 (1640), kurnik, 2012.

4.f3 Nd6 5.Nc3 c6 6.bc6 dc6 7.e4 e6 8.Be2 Be7 9.a4 Bh4 10.g3 Bg5 11.Bg5 Qg5 12.e5 Nf5 13.f4 Qd8 14.Nf3 Ngh6 15.Ne4 0–0 16.c3 Ng4 17.Qd3 Nge3 18.Rg1 Nd5 19.Ra3 h6 20.a5 Qe7 21.Nc5 Rd8 22.Qb1 Rb8 23.Qb3 Bd7 24.Bd3 b6= 25.ab6 ab6 26.Nd7 Rd7 27.Rg2 c5 28.Bf5 ef5 29.Rga2 Rc8 30.Ra1 cd4 31.Ra8 Ra8 32.Ra8 Kh7 33.cd4 Qb4 34.Qb4+/– Nb4 35.Rc8 Ra7 36.Rc4 Ra1 37.Ke2 Ra2 38.Nd2 Rb2 39.Rc7+/– Kg6 40.h4 Ra2 41.Rb7 Nd5 42.Rd7 Nc3 43.Kd3 Na4 44.Ke3 Ra3+= 45.Kf2 b5 46.h5 Kh5 47.Rf7 Ra2 48.Ke2 g6 49.Rc7 Ra3 50.e6 Nc3 51.Ke1 Nd5 52.Rc5 Nf6 53.Nf1 Rd3 54.Rb5+/– Rd4 ˝–˝. Psion – Psion, 4 Min/Zug, 1990.

4.f3 Nd6 5.e4 e6 6.c4 Be7? (better is 6...a6+=) 7.c5+– Ne4 8.fe4 Bh4 9.g3 Bg5 10.Nf3 Bc1 11.Qc1 Nf6 12.Bd3 h5 13.0–0 Ng4 14.Qg5 Qg5 15.Ng5 0–0 16.Nd2 d6 17.c6 bc6 18.bc6 e5 19.d5 a5 20.a4 Ba6 (20...f6 21.Ne6 Be6 22.de6+–) 21.Bb5 (21.Ba6 Ra6 22.Rfb1 Rc8+–) 21...Ne3 22.Rfb1 Nc2 23.Ra2 Nd4 24.Ngf3 Nb5 25.ab5 Bc8 26.Rba1 f5 27.Ng5 f4 28.Ra5 Rb8 29.Ne6 Be6 30.de6 fg3 31.hg3 Rf6 32.e7 Re6 33.Ra8 Ra8 34.Ra8 Kh7 35.e8R Re8 36.Re8 (36.Re8 Kg6 37.b6 Kh6 38.bc7 h4 39.c8Q g5 40.Qe6 Kg7 41.Re7 Kf8 42.Qf7#) 1–0. elsh1403 – fiction, kurnik, 2012.

4.f3 Nef6 5.e4 =.

4.f3 Nef6 5.g4 c6 6.bc6= dc6 7.e4 (7.Nh3=) 7...b6 (better is 7...e5!? 8.Ne2 Be6=) 8.Ne2+= Bb7 9.Nbc3 Rc8 (9...e6 10.Kf2+=) 10.Bg2 Rc7 (10...e6 11.g5 Nh5 12.0–0+/–) 11.0–0 (11.a4 Rd7 12.g5 Nh5+/–) 11...Rd7 12.g5 Nh5 13.f4 c5 (13...h6 14.g6 e6 15.gf7 Rf7 16.Qd3+–) 14.d5 e6 (14...h6 15.Qd3 hg5 16.fg5+–) 15.Qd3 (15.Bf3 g6 16.f5 Bg7+–) 15...c4 (15...g6 16.f5 c4 17.Qf3 Bc5 18.Kh1 ef5 19.ef5+–) 16.Qh3 (16.Qc4?! Bc5 17.Kh1 ed5 18.ed5 Ne7+/–) 16...Nf4 (16...Bc5 17.Kh1 ed5 18.Qh5 d4+–) 17.Nf4 e5 (17...Bc5 18.Kh1 e5 19.Nh5+–) 18.Ne6! fe6 19.Qe6 Ne7 (19...Re7 20.Qf5 Nf6 21.gf6 gf6 22.Qf6 Rg7 23.Qe5 Qe7 24.Qh5 Rg6+–) 20.Qf7# 1–0. pierre – xadgab, internet, 2009.

4.f3 Nef6 5.g4 d5 6.g5 (6.e4 de4 7.g5 Nd7=) 6...Nh5 (6...Nd7 7.e4=) 7.e3 (7.e4 h6 8.Bg2 e6=) 7...h6+= 8.f4? (better is 8.g6+=) 8...c6?? (8...hg5 9.Qf3 (9.fg5? Ng3 10.g6 fg6 11.hg3 Rh1–+) 9...gf4 10.ef4–+) 9.a4?? (better is 9.Qh5 Bf5+–) 9...f6?? (better is 9...hg5 10.Ne2 gf4 11.ef4 e5–+) 10.Qh5+– Kd7 11.Bh3 (11.Nf3 a6 12.bc6 bc6 13.Bh3 Kc7+–) 11...e6 12.Nf3 fg5 13.fg5 Qa5 14.Bd2 Qc7 15.gh6 gh6 16.Ne5 Ke7 17.Qf7 Kd6 18.Bb4 c5 19.Qf8 Qe7 20.Bc5 Kc7 21.Be7 Kb6 22.Qd8# (22.Bd8#) 1–0. doune – agock, internet, 2007.

4.f3 Ng5?? 5.Bg5+– f6 6.Bc1 d5 7.e4 +–.

4.f3 Ng5?? 5.Bg5+– f6 6.Bc1 g5 7.e4 c6 8.f4 cb5 (8...h5+–) 9.Qh5# 1–0. Fritz 8 – NN, 2003.

4.f3 Ng5?? 5.Bg5+– f6 6.Bf4 g5 (6...d5 7.Nd2+–) 7.Bg3 a6 (7...d6 8.e4+–) 8.e4 (8.ba6 b6+–) 8...d5 (8...ab5 9.Bb5 h5 10.h4+–) 9.ba6 b6 (9...ba6 10.ed5 Qd5 11.Bc7+–) 10.Bb5 Bd7 11.Bd7 Qd7 12.ed5 Qd5 13.Bc7 Ra6 14.Qe2 Ra7 15.Bb6 Ra2 16.Ra2 Qa2 17.Nc3 Qa1 18.Nd1 Qb1 19.Bc5 Qc1 20.Qb5 Kf7 21.Qb3 Kg7 22.Ne2 Qa1 23.Ng3 Kh6 24.Qf7 Qa5 25.c3 e6 26.Bf8 1–0. Rosner,Dirk – Klink, Riepe–Einladungsturnier, 1999.

3.d4 Ne6

4.Bb2 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 Nf6 8.Nf3 c6 9.bc6 bc6 10.g3 Qa5 11.Bc3 Qd5 12.Bg2 Ne4 13.0–0 g6 14.Nfd2 f5 (better is 14...Nc3!? 15.Bd5 Nd1 16.Be6 Nb2=) 15.Ne4+/– fe4 16.e3 c5 (16...Ba6 17.Re1+/–) 17.Qg4 (17.dc5!? Qd1 18.Rd1 Rg8+–) 17...Ba6 18.Be4 Qg5 19.Qg5 Ng5 20.Bd3 Bb7? (better is 20...Bd3 21.cd3 cd4 22.ed4 d5+=) 21.dc5?? (21.d5 Rg8 22.f4 Nf7+–) 21...Rg8 22.Bc4?? e6 23.f3 Nf3–/+ 24.Kf2 Bc5 25.h4 Rf8 26.Ke2 d5?? 27.Bb5+/– Ke7 28.Rf3 d4?? 29.Rf8+– Kf8 30.ed4 Bd6 31.Kf2 Kg7 32.Nd2 Bd5 33.Nc4 Bc7 34.Ne5 Kh6 35.Bd2 Kh5 36.Be2 Bf3 37.Bf3# 1–0. rryy44 – archaniel, kurnik, 2011.

4.Bb2 d5 5.e3 c5 6.dc5 Nc5 7.Nc3 e6 8.Nf3 Nf6 9.Be2 b6 10.a4 Bb7 11.0–0 Bd6 12.a5 ba5 13.Ba3 (13.Na4 Nce4=) 13...0–0 14.Nd4 (14.Qd4 Rc8+=) 14...Rc8 (14...Qc7 15.f4+=) 15.Qd2 Qc7 16.g3 Nce4 17.Ne4 Ne4 (worse is 17...de4 18.Ne6 fe6 19.Bd6=) 18.Qd3 (18.Bd6 Qd6 19.Qa5 e5=) 18...Ba3 19.Ra3 g6 (19...a4 20.f3 Ng3 21.Rf2 Ne2 22.Ne2–+) 20.f4 Rfd8 21.Bf3 Nc5 22.Qe2 a4 23.h4 Qb6 24.h5 a6 25.Rb1 ab5 26.Qb5 Qb5 27.Rb5 Ba6 28.Ra5 Rd6 29.hg6 hg6 30.g4 Bc4 31.Kf2 Rb6–+ 32.f5 gf5 33.gf5 e5 34.Ne2 Rb2 35.Rc3 f6 36.Bd5 Bd5–+ 37.Rcc5 Rc5 38.Rc5 Be4 39.Ra5 Bc2 40.Ke1 Bb3 41.Nc3–/+ Bc2 42.Nd5 Bf5?? 43.Nf6?? Kf7–/+ 44.Nd5 Bc2 45.Ra6 Ra2–/+ 46.Nb4 Ra1–+ (46...Ra1 47.Kd2 Be4–+) 0–1. blackiwhite (1625) – neokin (1910), kurnik, 2012.

4.Bb2 d5 5.Nf3 c5 6.e3 Nf6 7.Be2 a6 8.c4 ab5 9.cb5 c4 10.0–0 g6 11.a4 Bg7 12.Nc3 0–0 13.Ne5 Nc7 14.Bf3 e6 15.Ba3 Re8 16.Bb4 White prepares a5 16...Nd7 17.a5?? (better is 17.Nd7 Qd7 18.Bc5+=) 17...Ne5–/+ 18.de5 Be5 19.b6 Na6 20.Qb1 Qf6 21.Ra3 Bd7 22.Ne2 Nb4 23.Qb4 Ra6 24.Rd1 Bd6?? 25.Qd6+– Bc6 26.Nd4 Rc8 27.Nc6 Rc6 28.Qf4?? Qb2?? 29.Rda1 e5 30.Qh4?? e4?? 31.Bd1+– f6 32.Qf4 Qe5 33.Qe5 fe5 34.Ba4 Rc5 35.Bd7 Kf7 36.Kf1 d4 37.ed4 ed4 38.Ke2 c3 39.f3 d3 40.Ke3 c2 41.Rc1 ef3 42.gf3 Raa5 43.Ra5 Ra5 44.Bc8 Rb5 45.Kd3 Rb6 46.Rc2 Rb1 47.Rc7 Kf6 48.Rb7 Rh1 49.Rh7 Rf1 50.Ke4 Re1 51.Kf4 Rc1 52.Rh6 Rc8 +=. lllllll21 – manittouu (1860), kurnik, 2011.

4.Nc3 Nd4? (better is 4...d5=) 5.Qd4+– Nh6?? (5...d6+–) 6.Bh6 Rg8 7.Bd2 g5 8.0–0–0 (8.Qd3 h6+–) 8...Bg7 (8...a6 9.ba6 Ra6 10.e4+–) 9.Qd3 Rb8 10.Qh7 Bf8 11.Qg8 b6 12.Bg5 c5 13.Bh6 e6 14.Qf8 1–0. Trkn – Sage Dreamsbane, Casual Game, 2001.

4.c4 c6 5.Nc3 Nf6 6.e4 d6 7.Bd3 (7.bc6 bc6 8.Nf3 Rb8+=) 7...g6 (7...Nd4 8.Nge2 Ne2 9.Ne2+=) 8.Bb2 (8.Nf3 Bg7+=) 8...Bg7 (8...Nd4 9.Nge2 Ne2 10.Ne2 Bg7+=) 9.f4 (better is 9.Nge2+=) 9...Nf4–/+ 10.Bc2? (10.Qd2 Nd3 11.Qd3 cb5 12.Nb5 a6–/+) 10...0–0?? (better is 10...Ng2 11.Kd2 Bh6 12.Kd3 Ng4–+) 11.Qd2–/+ e5 12.g3 (12.Nf3 ed4 13.Nd4 Ne6–/+) 12...N4h5 (12...Ne6 13.de5 de5 14.Nf3–/+) 13.Nf3 ed4 14.Nd4 Re8 15.0–0 c5 16.Nf3 Be6 17.Nd5 Bd5 18.ed5+= Qd7 19.Ng5 Ng4 20.Bg7 Ng7 21.Rf7 Re7 22.Re7 Qe7 23.Re1 Qf6 24.Rf1 Qe5 25.Re1 Qd4 26.Qd4+= cd4 27.Re7 Ne3 28.Bd3+/– h6 29.Ne4 Ngf5 30.Nf6 Kf8 31.Rb7 Ne7 32.Nd7 Kf7 0–1. Djakov,Joao – Redgrave,John (1790), Internet Section, 2004.

4.c4 Nf6 5.Nf3 =.

4.c4 g6 5.Nf3 Bg7 6.Bb2 (6.e4 c5 7.bc6 dc6=) 6...c5 (6...a6 7.Qa4=) 7.e3 b6 (7...d6 8.Bd3=) 8.Qd2 (8.Be2 d5+=) 8...cd4 9.Nd4 Nd4 10.Bd4 Bd4 (10...e5 11.Bc3 d6 12.Qd5+=) 11.Qd4 (11.ed4 Bb7+=) 11...Nf6 12.Nc3 Bb7 13.Nd5 Bd5 14.cd5 Qc7 15.Bd3 0–0 (15...Qd6 16.e4+=) 16.d6 Qd6 17.Qd6 ed6 18.Kd2 (18.h3 Rac8+=) 18...Rfc8 19.a4 (19.Rhc1 d5+=) 19...Kf8 (19...d5 20.Ke2=) 20.a5+= Ke7 (20...d5 21.Ke2+=) 21.Ra4 Rab8 22.ab6 ab6 23.g4 (23.Rha1 Rc5+=) 23...Rc5 24.h4 h6 25.Rg1 d5 26.f3 (26.g5 Ng8+=) 26...Ne8 27.e4 (better is 27.Rh1!?=) 27...Nc7–/+ 28.g5 (28.Re1 Nb5 29.ed5 Kd8 30.Bb5 Rb5–/+) 28...hg5 29.Rg5 de4 (29...Rh8 30.ed5 Nd5 31.Re4 Kd6 32.Bc4–/+) 30.Re4 (30.fe4 Rg5 31.hg5 Ne6–/+) 30...Ne6–/+ 31.Rg1 (31.Re2!?–/+) 31...Ra8–+ 32.Rb1 (32.Rgg4 f5 33.Ra4 fg4 34.Ra8 gf3–+) 32...d5 (32...Ra2 33.Ke1–+) 33.Reb4 Kd6 34.R1b2 d4 (34...Ra3 35.Rg4–+) 35.Bc4 Ke5 36.Rb1 Rd8 37.Re1 Kf6 38.Re4 Re5 (38...Ng7 39.Ra4–/+) 39.Rb1 (39.Rg4 Ng7–+) 39...Re4–+ 40.fe4 Ke5 41.Rf1 Rd7 42.h5 (42.Be6 Ke6 43.Kd3 f6–/+) 42...Ng5 43.Kd3 Ra7 44.Bb3? (better is 44.h6–/+) 44...Ra3–+ (44...Ne4?! 45.Re1 f5 46.hg6–/+) 45.Kc2 d3 (better is 45...Ne4!? 46.Rh1 gh5 47.Rh5 f5 48.Rh3–+) 46.Kb2 Ra5 47.Bf7 Nf7 48.Rf7 gh5 49.Rf5 Ke4 50.Rh5 Ra8 (better is 50...d2!? 51.Kc2 Ra2 52.Kd1 Kd3 53.Rh3 Kc4–+) 51.Rh6–/+ Ke3 (51...Rd8 52.Rb6 d2 53.Re6 Kf5 54.Rc6–+) 52.Re6=+ Kd2 53.Rb6 Kd1 54.Re6 d2 ˝–˝. Andersson,Lars H – Korning,Peter, corr SSKK M–195, 1995.

4.c4 g6 5.Nf3 Bg7 6.Bb2 (6.e4 c5 7.bc6 dc6=) 6...c5 (6...a6 7.Qa4=) 7.e3 b6 (7...d6 8.Bd3=) 8.Qd2 (8.Be2 d5+=) 8...cd4 9.Nd4 Nd4 10.Bd4 Bd4 (10...e5 11.Bc3 d6 12.Qd5+=) 11.Qd4 (11.ed4 Bb7+=) 11...Nf6 12.Nc3 Bb7 13.Nd5 Bd5 14.cd5 Qc7 15.Bd3 0–0 (15...Qd6 16.e4+=) 16.d6 Qd6 17.Qd6 ed6 18.Kd2 (18.h3 Rac8+=) 18...Rfc8 19.a4 (19.Rhc1 d5+=) 19...Kf8 (19...d5 20.Ke2=) 20.a5+= Ke7 (20...d5 21.Ke2+=) 21.Ra4 Rab8 22.ab6 ab6 23.g4 (23.Rha1 Rc5+=) 23...Rc5 24.h4 h6 25.Rg1 d5 26.f3 (26.g5 Ng8+=) 26...Ne8 27.e4 (better is 27.Rh1!?=) 27...Nc7–/+ 28.g5 (28.Re1 Nb5 29.ed5 Kd8 30.Bb5 Rb5–/+) 28...hg5 29.Rg5 de4 (29...Rh8 30.ed5 Nd5 31.Re4 Kd6 32.Bc4–/+) 30.Re4 (30.fe4 Rg5 31.hg5 Ne6–/+) 30...Ne6–/+ 31.Rg1 (31.Re2!?–/+) 31...Ra8–+ 32.Rb1 (32.Rgg4 f5 33.Ra4 fg4 34.Ra8 gf3–+) 32...d5 (32...Ra2 33.Ke1–+) 33.Reb4 Kd6 34.R1b2 d4 (34...Ra3 35.Rg4–+) 35.Bc4 Ke5 36.Rb1 Rd8 37.Re1 Kf6 38.Re4 Re5 (38...Ng7 39.Ra4–/+) 39.Rb1 (39.Rg4 Ng7–+) 39...Re4–+ 40.fe4 Ke5 41.Rf1 Rd7 42.h5 (42.Be6 Ke6 43.Kd3 f6–/+) 42...Ng5 43.Kd3 Ra7 44.Bb3? (better is 44.h6–/+) 44...Ra3–+ (44...Ne4?! 45.Re1 f5 46.hg6–/+) 45.Kc2 d3 (better is 45...Ne4!? 46.Rh1 gh5 47.Rh5 f5 48.Rh3–+) 46.Kb2 Ra5 47.Bf7 Nf7 48.Rf7 gh5 49.Rf5 Ke4 50.Rh5 Ra8 (better is 50...d2!? 51.Kc2 Ra2 52.Kd1 Kd3 53.Rh3 Kc4–+) 51.Rh6–/+ Ke3 (51...Rd8 52.Rb6 d2 53.Re6 Kf5 54.Rc6–+) 52.Re6=+ Kd2 53.Rb6 Kd1 54.Re6 d2 ˝–˝. Andersson,Lars H – Korning,Peter, corr SSKK M–195, 1995.

4.d5 Nc5 5.Be3 b6 (5...e6 6.Nc3+=) 6.g3 Bb7 7.c4 e6 8.Bg2 Nf6 9.Nh3 d6 (9...ed5!? 10.cd5 a6+=) 10.0–0 Be7 (10...ed5 11.cd5 a6 12.ba6 Ra6 13.Nc3=) 11.de6 (better is 11.Bc5!? dc5 12.de6 Bg2 13.ef7 Kf7 14.Kg2+/–) 11...fe6= 12.Bc5 Bg2 13.Kg2 bc5 14.Nc3 0–0 15.e3 a6 16.a4 ab5 17.ab5 Qd7 18.Qf3?? (18.Ra8 Ra8 19.e4 Qc8=) 18...Rab8 (18...Ra1 19.Ra1 Nd5 20.Qf8 Kf8 21.cd5 ed5 22.Nd5 Qb5 23.Ra7–+) 19.Ra7 Nd5–/+ 20.Qe2? Nc3–+ 21.Qc2? Nb5! 22.cb5 Rb5 23.Rfa1 Bf6 24.R1a2 d5 25.Qa4 Rfb8 26.Ra8 Qe8 27.Nf4 Ra8 28.Qa8 Qa8 29.Ra8 Kf7 30.Ra7 Be5 31.Nd3 Bd6 32.f4 c4 33.Ne5 Ke7 34.Nc6 Kd7 35.Nd4 Rb2 36.Kf3 c3 37.Ra1 Bc5 38.Rc1 Bd4 39.ed4 c2 40.Ke2 Kd6 41.Kd3 c5 42.dc5 Kc5 43.Rc2 Rc2 44.Kc2 Kd4 45.Kd2 h6 46.h3 g5 47.fg5 hg5 48.Ke2 Ke4 (48...Ke4 49.Kf2 Kd3–+) 0–1. mete61 – bentwhistle, kurnik, 2012.

4.d5 Nc5 5.Nf3 e6 =.

4.d5 Ng5?? 5.Bg5+– c6 6.bc6 bc6 7.dc6 dc6 8.Qd8 Kd8 9.Nc3 f6 10.0–0–0 Kc7 11.Bf4 Kb6 12.e4 g6 13.Be3 Kb7 14.Nf3 Bh6 15.Bh6 Nh6 16.Nd4 Rd8 17.Be2 c5 18.Ndb5 Rd1 19.Rd1 Be6 20.Na4 Ka6 21.Nc5 Ka5 22.Nb3 Kb4 23.c3 Ka4 24.Rd4 Bc4 25.Bc4 Rb8 26.Nc5 Ka5+– 27.Nb3 (27.Nb3 Ka4 28.Bd3#) 1–0. iczker – karpiak, kurnik, 2012.

4.e3 d6 5.Nc3 Nf6 6.Bd3 g6 7.f4 c5 8.bc6 bc6 9.Rb1 Bg7 10.Nf3 0–0 11.0–0 Nc7 12.e4 Nd7 (12...Bg4 13.Be3+=) 13.Be3 Ba6 14.a3 c5 15.f5 cd4 16.Bd4 Nc5 17.Bg7 Kg7 18.Ba6 N7a6 19.Nd5 Ne4 20.Qd4 Nf6 21.Rb7 (21.Rb7 Qc8 22.Re7+/–) 1–0. pierred (2825) – ecluschei (2600), net–chess.com, 2015.

4.e3 Nf6 5.Nf3 g6 6.c4 d6 7.Nc3 Bg7 8.Rb1 0–0 9.Be2 (9.Bd3 a6=) 9...Nd7 (9...a6 10.0–0=) 10.Bb2 (10.0–0 a6+=) 10...f5 (10...a6 11.ba6 Ra6 12.0–0+=) 11.g3 (11.0–0 a6+=) 11...Nf6 12.Qb3 c5 13.d5 Nc7 14.0–0 b6 15.Rfd1 Qe8 (15...Qd7 16.a4+=) 16.Rd2 (16.a3 Bd7+=) 16...Bb7 17.Rbd1 (17.a4 Qd7=) 17...Rb8 (17...a6 18.ba6 Ra6 19.h3=) 18.h4 a6 19.a4 a5 20.Ng5 (20.Qc2 Ne4 21.Ne4 fe4 22.Bg7 Kg7+/–) 20...Bc8 (20...h6 21.Nf3=) 21.Bf3 (21.Bd3 h6 22.Nf3 Qf7=) 21...h6 (21...Qd7 22.Qc2+=) 22.Nh3+= Qf7 23.Qc2 (23.Nf4 Bd7+=) 23...Bd7 (23...Ne4 24.Rd3=) 24.Kg2 (24.Nf4 Rbe8+=) 24...Rbd8 25.Ne2 Ng4 (25...Ne4 26.Bg7 Qg7 27.Rd3+=) 26.Bg7+= Qg7 27.Bg4 (27.Kg1!?+=) 27...fg4= 28.Nhf4 Rf5 (28...Rf6 29.h5=) 29.Nc3 Rdf8 30.e4 Re5 31.Re1 g5 (31...Qf6 32.Qd3=+) 32.Nd3+= gh4 33.Ne5 h3 34.Kh2 Qe5 35.Nd1 Rf3 36.Rd3 Ne8 (better is 36...Rf8!?+=) 37.Rf3+– gf3 38.Qc3 (38.Qd3 Bg4+–) 38...Bg4 (better is 38...Qc3!? 39.Nc3 Nf6+/–) 39.Qe5 de5 40.Ne3 (40.Nb2 Nd6+/–) 40...h5 41.Nf1 Nd6 42.Nd2 Nf7 (42...e6!?+/–) 43.Re3+– Ng5 44.Rd3 Kf8 45.d6 Ke8 46.de7 (46.Rd5!? Nf7 47.d7 Kd8 48.Rd3+–) 46...Ke7+= 47.Rd5 (47…Nf7 48.Nb3+=; 47.Kh1 Be6+=) Diener,Rudolf – Dege, corr ICCF WT–M–742, 1998.

4.e4 c5 5.d5 Nc7 6.c4 (6.Nc3 g6+=) 6...d6 7.Bd3 e5 (7...g6 8.Bb2 Nf6 9.Bf6 ef6 10.Ne2+=) 8.de6 Ne6 9.Bb2 (9.Nc3 Be7+=) 9...Be7 (9...Nf4 10.Bf1+=) 10.Nc3 (10.Nf3 Bf6 11.Nc3 Nf4+=) 10...Bf6 (10...Nf4 11.Nd5 Bf6 12.Bf6 Nd3 13.Qd3 Nf6 14.Nf3+=) 11.Nge2 (11.Nf3 Ne7+=) 11...Ne7 12.0–0 Nd4 (12...0–0 13.Qd2+=) 13.Nf4 (13.Nd4 Bd4 14.a4 0–0+=) 13...g6 (13...0–0 14.Nfd5 Nd5 15.Nd5+=) 14.Kh1 (14.Ncd5 Be5+/–) 14...Ne6 (14...0–0 15.Nfd5 Be5 16.f4+=) 15.Nfe2 (15.Nfd5 Nd5 16.ed5 Nf4+=) 15...0–0+= 16.f4 (16.Qd2+=) 16...Ng7 (16...a6!?+=) 17.e5+/– de5 18.Ne4 Nef5 19.Nf6 (19.fe5 Bg5 20.Nf6 Kh8+/–) 19...Qf6 20.fe5 Qh4 (20...Qg5 21.Rf3+/–) 21.Rf3 (21.Qa4 Be6 22.Kg1 Ne3+=) 21...Be6+= 22.Qc2 Rfd8 23.Be4 Rd7 24.Raf1 Rad8 25.Bc1 b6 26.Rf4 Qe7 27.Qa4 Nd4 28.Nc3 Bf5 29.Bf5 Ndf5 30.Nd5 Qe5 31.Re4 Qa1 32.Rfe1+– Ne6 33.Bg5 Ng5 34.Ra1 Ne4 35.Re1 Nf2? 36.Kg1+– Nd3 37.Re4 Nb2? 38.Qc2 Nc4 39.Nf6 Kg7 40.Nd7 (40...Rd7 41.Rc4+–) 1–0. West,Guy (2370) – Mortensen,Henrik (2085), Canberra Australian Open, 2001.

4.e4 c6+=.

4.e4 d5 5.Be3 c6 6.bc6 bc6 (6...de4?? 7.cb7 Rb8 8.bc8N Qc8 9.c4+–) 7.ed5 (7.Bd3 de4 8.Be4 Qd6+=) 7...cd5 8.Bb5 (8.c4 Nf6+=) 8...Bd7= 9.Bd7 (9.Bd3 Rb8=) 9...Qd7 10.Nf3 Qb5 (10...Rc8 11.Qd3=) 11.a4 (11.Nbd2 Nf6+=) 11...Qa6 (11...Qb4 12.Nbd2=) 12.Nc3 (12.Ne5 Nf6+=) 12...Nf6= 13.Nb5 Qc8 (13...Qb6 14.0–0=) 14.0–0 a6 15.Na3 g6 16.c4 Bg7 (16...dc4 17.Rc1+=) 17.c5 (17.Rc1 Qb7+=) 17...0–0 18.Rb1 Rd8 (18...Rb8 19.Qd3+=) 19.Qb3 Rb8 20.Qb8 Qb8 21.Rb8 Rb8 22.Rb1 Rb1 23.Nb1 Ne4 24.c6 Kf8 (24...f5 25.g3=) 25.Na3 (25.Kf1 Ke8=) 25...Ke8 26.Nc2 Nc3 27.Nb4 Bd4 (27...a5 28.Nc2=) 28.Nd4 (< 28.Na6 Be3 29.fe3 Na4=+) 28...Nd4 29.Bd4 Ne2 30.Kf1 Nd4 ˝–˝. pcmvr – marekt, internet, 2005.

4.e4 d5 5.e5 g6 +=.

4.e4 d6 5.f4 c5 (5...g6 6.Bc4= Nf6 7.d5 Nc5 8.e5 Nfd7 9.Qe2 Nb6 10.Bb2 Bg7 11.Bd4 g5=) 6.d5 (6.bc6 bc6 7.Nf3 Nf6 8.Bd3 g6 9.0–0 Bh6 10.g3 Bg7 11.e5 Nd7=; 6.f5 Nc7 7.dc5 e6 8.Nf3 ef5 9.b6 Ne6 10.ef5 Nc5 11.Bb5 Bd7=) 6...Nc7 7.Bb2 (7.Nc3 g6+= 8.Nf3 Bg7 9.Bb2 Nf6 10.Bd3 0–0 11.Rb1 e6+=; 7.Nf3 e6 8.de6 Be6 9.f5 Bc8 10.Bc4 d5 11.ed5 Bf5+=) 7...Nf6 (7...e5 A) worse is 8.fe5 Qh4 9.Kd2 Qf4 10.Kd3 (10.Ke1 Qe4 11.Qe2 Qe2 12.Be2 de5–/+) 10...c4 11.Kc4 Qe4–/+; B) 8.Qf3= ef4 9.Qf4 Bd7 10.Nc3 a6 11.ba6 Na6+=) 8.Nd2 (8.Nc3 e5+= (8...g6 9.Bd3 Bg7 10.Nf3 0–0 11.Rb1 e6+=) 9.de6 Be6 10.f5 Bd7 11.Qe2 Be7=) 8...e6 9.de6 (9.c4 ed5 10.ed5 Be7 11.Bd3 Ng4=) 9...Ne6 10.Qf3 (10.f5 Nc7+= 11.c4 Be7+=) 10...Qe7 (10...d5 11.0–0–0 d4 12.Bc4=) 11.c4 (11.0–0–0 Nd4 12.Qd3 d5=) 11...Nd4 (11...a6!?=; 11...g6=) 12.Bd4+= cd4 13.Bd3 (13.Ne2 g6+=) 13...g6 (13...Bg4 14.Qg3=) 14.Ne2+= Bg7 15.h3 Nd7 16.0–0 Nc5 17.Rae1 0–0 18.Ng3 a6 19.b6 Qd8 20.f5 Be5 21.Bb1?? Qg5–+ 22.fg6 hg6 23.Nf5 Bf5 24.ef5 Qd2 25.fg6 fg6 26.Qg4 Qh6 27.Bg6 Bg7 28.Qg3 Rf1 29.Rf1 Qe3 30.Qe3 de3 31.g4? Rf8 32.Re1 Nd7 33.h4 Nb6 34.g5 Nc4 35.h5 Bd4 36.Be4 b5 37.g6 e2 38.Kh2 Rf2 39.Kh3 Kg7 (39...Kg7 40.Kg3 Nd2–+) 0–1. Larsen,Andreas – Mortensen,H (2015), Politiken Cup, Copenhagen DEN, 2004.

4.e4 g6 5.Be3 (5.d5 Bg7) 5...Bg7 6.c3 b6 (6..d6) 7.d5 Nc5 (7...Nf8) 8.Bd4 e5 (8...Nf6 9.e5 Nh5!? 10.Ne2 f5!) 9.Bc5 +=.

4.e4+= g6 5.Nf3 Bg7 6.Nc3 (6.Bc4 d6+=) 6...d6 (6...c5 7.bc6 dc6 8.e5=) 7.Bb2 (7.Bc4 Nf6 8.Qd3 c5+=) 7...Nf6= 8.Bc4 (8.Bd3 Nf4 9.0–0 Qd7=) 8...0–0 (8...Ne4 9.Be6 Nc3 10.Bf7 Kf7 11.Bc3=) 9.0–0 (9.e5 Nd7=) 9...Nf4 (9...Ne4 10.Ne4 d5 11.Bd3 de4 12.Be4=) 10.Ne2 (10.Bc1 N6h5+=) 10...Ne6 (10...d5 11.Nf4 dc4 12.Qe2=) 11.Qd3 d5 12.ed5 Nd5 13.Bd5 (13.Ne5 Nb6+=) 13...Qd5= 14.c4 Qd6 15.Qe3 (15.Ba3 Qd7+=) 15...Qb4= 16.Qc3 Qc3 17.Bc3 c6 18.a4 Rd8 Will d4 fall? 19.Rfd1 Bd7 20.Rab1 Rac8 21.bc6 (better is 21.b6!? a6 22.a5=) 21...Bc6+= (worse is 21...bc6 22.Ba5 Re8 23.Rb7+/–; 21...Rc6? 22.d5 (22.Rb7?! Rc4 23.Ra7 Ra4 24.Ra4 Ba4+=) 22...Rcc8 23.de6 Be6 24.Rd8 Rd8 25.Bg7 Kg7 26.c5+–) 22.d5 Ba4 23.Rd2 Nc5–/+ 24.Bg7 Kg7 25.Rd4 Kf8 26.Nd2 e5 27.Rh4 Bc2 28.Rb2 Bd3 29.Nc3 h5–/+ 30.f3 a5 31.Nce4–/+ Ne4 32.fe4 a4 33.Rh3 Bc4 34.Rb7 Ba6 35.Rb2 Rc1 36.Kf2 Rdc8 37.Ra3 R8c2 38.Rc2 Rc2 39.Ke1 Rc1 40.Kf2 Bb5 41.h3 Ke7 42.g3 Rh1 43.h4 f5 44.Kg2 Rd1 45.Ra2 fe4 46.Ne4 Rd5 47.Nc3 Bc6 48.Kf2 Rd4 49.Ke3 Ke6 50.Ne2 Rb4 51.Nc1 e4 52.Kf4 Bd5 53.Ra3 Kf6 54.Ne2 Bc6 55.Nc1 Rb2 56.Ke3 Rg2 (56...Rg2 57.Kd4 Kf5–+; 56...Ke5 57.Rc3 Bd5 58.Ne2–+) 0–1. Szytko,J – Ziolkowski,T (1800), corr, 1996.

4.Nf3 c5 5.d5 Nc7 6.c4 d6 7.e4 e5 8.de6 Be6 9.Nc3 Nf6 10.Be2 Be7 11.0–0 0–0 12.h3 (12.Qd3 Re8+=) 12...Nd7 (12...Re8 13.Qd3+=) 13.Bf4 (13.Nd5 Bf6 14.Nf6 Qf6+/–) 13...Nb6 (13...Bf6 14.Qc2 Ne5 15.Be5 de5 16.Rfd1+=) 14.Qb3 (14.Nd5 Bd5 15.cd5=) 14...f5= 15.ef5 Rf5 16.Bg3 Rf3 17.gf3 Bh3 18.Rfd1 h5? (better is 18...Qf8!?=) 19.Ne4+/– Qe8 20.Nd6 (20.Qe3!?+/–) 20...Bd6+= 21.Bd6 Qg6 22.Bg3 h4 23.Rd6 Ne6 (23...Qe8 24.Re1 hg3–+) 24.Qd3?? (24.Bd3 Qh5 25.Be4 hg3 26.Rd2–+) 24...Qd3 (24...Bf5 25.Re6 Qe6–+ (25...Bd3?! 26.Rg6 Bg6 27.Bh4+=)) 25.Bd3= (25.Rd3? hg3 26.fg3 Nd4–/+) 25...hg3 26.fg3 Nd4 27.Be4 (27.Kh2 Be6 28.Kg2–+) 27...Be6 (27...Re8 28.Bb7 Re2 29.Rd8 Kf7 30.Rh8–/+) 28.Bb7 Rf8 (28...Re8 29.Rd1–/+) 29.Bd5 (29.Re1 Bc4 30.Re7–/+) ˝–˝. Windelboe,Werner – Mortensen, Horsens, 1994.

4.Nf3 c5 5.d5 Nc7 6.c4 d6 7.e4 Nf6 8.Bd3 Bg4 9.0–0 e5 10.de6 Ne6 11.h3 Bf3 12.Qf3 (< 12.gf3 Nh5 13.b6 ab6–/+ (< 13...Qb6 14.Nc3+=)) 12...d5 (better is 12...Nd4 13.Qe3 Qe7+/–) 13.ed5+– Nd4 14.Re1 Be7 15.Qe3 0–0?? (better is 15...Kf8+–) 16.Qe7 Qe7 17.Re7 Rae8 18.Re8 Re8 19.Nc3 Re1 20.Kh2 g5 (20...Nd7 21.Bb2 Re7 22.Ne4+–) 21.Bb2 Ra1 22.Ba1 g4 (22...Nd7 23.Ne4 Kf8 24.Ng5+–) 23.Ne4 Ne4 24.Be4 gh3 25.Bh7! Kh7 26.Bd4 cd4 27.d6 d3 28.d7 d2 29.d8Q d1Q 30.Qd1 a5 31.gh3 f5 32.Qd7 Kg6 33.Qb7 f4 34.Qe4 Kg5 35.b6 a4 36.b7 a3 37.b8Q f3 38.Qg8 Kf6 39.Qgg6# 1–0. miehnekort – kdolla22, Yahoo, 2005.

4.Nf3 c5 5.d5 Nc7 6.c4 Nf6 7.e3 +=.

4.Nf3 d6 5.e4 c5 6.d5 Nc7 7.c4 e5 8.Bg5 Be7 9.Be7 Qe7 10.Qd2 Nf6 11.Nc3 0–0 12.Qg5 (12.Be2!?+=) 12...Bg4+= 13.Be2 Bf3 14.Bf3 Nfd5 15.Qe7 Ne7 16.Nd5 (16.0–0–0 Rad8–/+) 16...Ned5 17.ed5 f5 18.0–0 Ne8 19.a4 Nf6 20.h3 g5 21.a5 h5 Black prepares g4 22.Ra3 g4 23.Be2 f4 24.Bd1 Rae8 25.f3 gh3 26.Ra2 (26.gh3!? e4 27.fe4 Re4 28.a6–+) 26...hg2–+ 27.Rg2 Kf7 28.Kh2 Rg8 29.Rfg1 (29.Bc2 h4–+) 29...Rg2 30.Rg2 Rg8 31.Bc2 b6 32.ab6 ab6 33.Bf5 (33.Rf2–+) 33...Rg2 34.Kg2 Ne8 35.Kh3 (35.Kf2 Ng7 36.Bh3 Kf6–+) 35...Ng7 (35...Kf6 36.Bd3–+) 36.Bh7? (36.Bd3 Ke7 37.Kg2–+) 36...Kf6 37.Kh4 (37.Bd3 Nf5–+) 37...Nf5 38.Kh5 Ne3 39.Bd3 Nf5 (better is 39...e4 40.fe4 Ke5–+) 40.Kg4 Ne3 41.Kh4?? (41.Kh5 e4 42.fe4 Ke5–+) 41...Nf5 (better is 41...e4 42.Be4 Nc4–+) 42.Kh5?? (42.Kg4 Ng3 43.Kh3–+) 42...Ne3 ˝–˝. acaudron (2295) – ecluschei (2600), net–chess.com, 2015.

4.Nf3 Nf6 5.e3 =.

4.Nf3 g6 5.d5 Nc5?? (5...Bg7 6.c3 Nc5 7.e3=) 6.Bb2?? (better is 6.Qd4 Nf6 7.Qc5+–) 6...Nf6= 7.c4 Bg7 8.g3 0–0 9.Bg2 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 (12...d6 13.Bd4=) 13.0–0 (13.dc6!? bc6 14.bc6+=) 13...cd5= 14.cd5 d6 15.Nc3 b6 16.Qc2 Bb7 17.e4 Qa8 18.Bb2 Qb8 19.Nd2 Nfd7 20.Nc4 Ba8 21.Ra1 Bc3 22.Qc3+/– Nf6 23.Qe3 e5 24.f3 Qc7 25.Bf1 Nfd7 26.Qc3 f5+= 27.Nd2 fe4 28.Ne4 Bd5 29.Bc4 Ne4?? 30.Bd5+– (30.Bd5 Kg7 31.Qc7+–) 1–0. mete61 – bentwhistle, kurnik, 2012.

3.e3 e5

4.a4 b6 5.d4 ed4 6.ed4 Ne6 7.Ba3 Ba3 8.Ra3 d5 9.Nf3 Nf6 10.Ne5 Bb7 11.Be2 Qd6 12.Bh5 (12.0–0 0–0+=) 12...g6 (12...Nh5 13.Qh5 Qb4 14.Nd2–/+) 13.Bf3 0–0 14.0–0 Rfe8 15.c4 (better is 15.Re3!?+=) 15...Nd4+= (15...Nd4 16.Qd4 Re5=). Myrberg,Johnny – Goeransson, Haessleholm Sweden, 1989.

4.a4 d5 5.Bb2 e4 6.d4 +=.

4.Bb2 e4 5.Ne2=+.

4.d4 ed4 5.ed4 Ne4=.

4.Bb2 d6

5.a4 Nf6 6.Nf3 Be7 7.Be2 =.

5.a4 Nf6 6.Nf3 Bg4 7.Be2= Be7 8.0–0 0–0 9.d4 ed4 10.Nd4 Be2 11.Qe2 Qd7 12.Nd2 a6 13.e4 ab5 14.ab5 Na4 15.Rab1 Nb2=+ 16.Rb2 Ra4 17.Nf5 Re8 18.Qd3 Bf8 19.c4 Ne4 20.Ne4 Qf5=+ 21.Re2 Rea8 22.Qd4? Qe5 23.Qe5 de5–+ 24.Rc2 Rd8 25.Rd2 Rd2 26.Nd2–/+ Bc5 (27.Rd1 f5–/+) 0–1. Curado,Manuel – Wiker,Bo, corr Portugal–Sweden, 1992.

5.c3 e4 6.c4 =+.

5.c3 Nf6 6.d4 Ncd7 7.de5 (7.c4 Be7=+) 7...de5 (7...Ne5 8.Be2=+) 8.Nf3 e4 9.Nfd2 (9.Nd4 Nc5=) 9...Ne5 10.c4=+ Bd6?? 11.Nc3?? Bb4 12.Be2 Nd3 13.Bd3=+ ed3 14.0–0 0–0=+ 15.Nce4 Ne4 16.Ne4 Re8 17.Qb3 Re4 18.Qb4 Be6 19.Bd4= Rg4 20.Rad1 Bf5 21.Rd2+= a6 22.ba6 ba6 23.Qc3+= c5 24.Bc5+/– Qc7 25.Bd4 Rc8 26.f3 Rg6 27.Rc1 Rh6 28.g3 Rg6 29.c5 Bh3 30.Be5 Qc6 31.e4 f6 32.Bd6 Be6 33.Rd3 f5 34.ef5 Bf5 35.Re3 Be6 36.Rc2 Rf6 (37.Qd4 Bd5+–; 36...Bd5 37.Qd3+–). Friberger,Torbjoern – Bendig,Frank, corr 3GMM–36, 1997.

5.Nc3 Nf6=.

5.d4 Na4 6.Ba3 e4 =+.

2.c3 c5

3.a3 d6 4.b5 Nc7 5.c4 a6 6.b6 Ne6+= 7.Qa4 Bd7–/+ 8.Qb3 Nd4 9.Qb2 Ba4–+ 10.Ra2? Bb3 11.e3 Ba2 12.Qa2 Qb6?? 13.ed4= cd4 14.Bd3 e5 15.Nf3 Be7 16.0–0 Nf6 17.Re1 Ng4 18.Rf1 a5 19.Bf5 Nh6 20.Bd3 0–0 21.Re1 Rfe8 22.Be4 f5?? 23.Bd5 Kh8+= 24.d3 Ng4 25.Qb2 Qb2= 26.Bb2 Rab8 27.Be6 g6 28.Nbd2 Bf8 29.Bd5 Nf6–/+ 30.Rc1 Bh6 31.a4 Re7 32.Ba3+= Rd8 33.Rb1 e4 34.de4 Bd2 35.Nd2+/– fe4 36.Bb7 e3? 37.fe3+– de3 38.Nf3?? Rb8= 39.Bd6?? Reb7 40.Re1 Re8 41.Ne5?? Ne4–+ 42.Re3 Nd6 43.c5–+ Rb1 44.Kf2 Rf8 45.Rf3 Ne4 46.Ke2 Rf3 47.Kf3 Nc5 48.Nc4 Nb7 49.Nd2 Rb4 50.Ke3 Ra4 51.Kd3 Nc5 52.Kc3 Ne4 53.Kb3 Rb4 54.Ka3 Nd2 55.g3 Nc4 (55...Nc4 56.Ka2 Rb2 57.Ka1 a4 58.h3 a3 59.g4 Na5 60.g5 Nb3#; 55...Nb1 56.Ka2 a4 57.Ka1 Nc3 58.h3 Rb1#) 0–1. novice1234 – Meggy, ChessWorld.net, 2009.

3.Qa4?! b5! 4.Qb5 Rb8.

3.bc5!? Nc5 4.d4 +=.

3.e4 cb4 4.Ba6 ba6 5.cb4 a5 =.

3.b5 Nc7

4.a4 b6 5.c4 (5.e4 Bb7=) 5...e5 (5...d5 6.cd5 Nd5 7.e4=+) 6.Bb2 d6 7.Nc3 f5 8.e3 Bb7 9.d4 Qe7 10.d5+= Nf6 11.a5 Qd8 12.ab6 ab6+= 13.Ra8 Qa8 14.Qa4 Qa4 15.Na4 Nd7 16.Bd3 g6 17.Ne2 Bg7 18.Nec3 0–0 19.e4+= ˝–˝. Nielsen,Poul Steen – Mortensen,Henrik (2095), Obro Nytaar op, 1996.

4.a4 e5 5.d4 ed4 6.cd4 cd4 7.Qd4 =+.

4.e3 d5 5.Bb2 e5 6.d4 e4 7.c4 Nf6 8.Nc3 Be6 9.Qb3 Be7 10.cd5 Ncd5 11.Nd5 Bd5 12.Bc4 0–0 13.Ne2 a6 14.Bd5 Nd5 15.0–0 Rc8 16.dc5 Rc5 17.ba6 ba6 18.a4 Qb8–/+ 19.Qb8 Rb8 20.Ba3 Rc2 21.Be7 Re2–/+ 22.Rab1 Rb1 23.Rb1 h6 24.Kf1 Ra2 25.Bd6 Ra4 26.Rc1 Ra2 27.Rc8 Kh7 28.Rc5 Nf6 29.h3 a5 30.Rc4 Kg6 31.Be5 Nh7 32.Re4 Kf5 33.Rf4 Ke5 34.Rf7 a4 35.Rg7 Nf6 36.g4 a3 37.g5 hg5 38.Rg5 Ke4 39.Ra5 Nd5 40.Kg2? Ne3 41.Kg3 Nf5 42.Kg4 Nd4 43.Kg3 Ra1 44.Kg2 Kd3 45.h4 Ne6 46.h5 Nf4 47.Kf3 Ne6?? 48.Kg2 a2 49.h6 Nf8 50.Ra8 Nh7 51.Ra7 Ke2?? 52.Re7 Kd3?? 53.Rd7?? Kc4–+ 54.Rc7 Kd5 55.Rh7 Re1 56.Rd7 Ke6 57.h7?? a1Q 58.Ra7 Rg1 (59.Kf3 Qc3 60.Kf4 Qf6 61.Ke3 Re1 62.Kd2 Qf2 63.Kc3 Qe3 64.Kb4 Qd4 65.Kb3 Rb1 66.Kc2 Rb2 67.Kc1 Qd2#) 0–1. Zimmer,Georg – Bendig,Frank, corr SOK–91–75, 1991.

4.e3 d5 5.d4 c4 =+.

4.e4 d5 =.

1...f5

2.a3 e5 3.Nf3 =.

2.a3 e6 3.Bb2 d5 4.e3 Nd7 5.Nf3 Ngf6 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3 d5 5.Nf3 Nbd7).

2.Ba3 d5 3.d4 Kf7 4.Nf3 Nh6 5.e3 e6 6.Bb5 a5 7.ba5 Ba3 8.Na3 c6 9.Ne5 Kg8 10.0–0 Ra5 11.Bc6 Nc6 12.Nc6 bc6 13.Nb1 Ng4 14.h3 Nf6 15.a4 c5 16.Nc3 Bd7 17.Qd2 Ne4 18.Ne4 fe4 19.dc5 Qc7 20.Rfb1 Rc5 (< 20...Qc5 21.Rb8 Bc8 22.Rc8 Qc8 23.Qa5+/–; 20...Ba4 21.Qb4 h5 22.Ra4 Rc5 23.Qd4=; 20...Ra4?! 21.Ra4 Ba4 22.Qb4–/+) 21.Rb2 Qd6 22.Rab1 Rc8 23.a5 e5 24.a6 d4 (24...Qa6 25.Qd5) 25.a7 Qc5 26.Ra2 Kf7 27.ed4 ed4 28.Rb4 Be6 29.Qf4 Kg6 30.Qe4 Kf7? (better is 30...Kg5 31.h4 Kf6+/–) 31.Rb7+– Kf6 32.Qf4 Qf5 33.Qd4 Qe5 34.Qh4 Kg6 35.Rab2 (35.Ra6 Rhe8 36.Qg4 Kh6 37.Rbb6+–) 35...Rc4 36.Qe7 Re4 37.Rb1 Re1 38.Re1 Qe1 39.Kh2 Qe5 40.g3 Rc8?? (40...h5 41.h4 Kh7+–) 41.Rb5!! Qf6 (41...Qb5 42.Qe6) 42.Qf6 Kf6 43.Rb8 Rc2 44.Rf8 Bf7 45.a8Q Rf2 46.Kg1 Rf5 47.Qa1 (better is 47.g4 Rb5+–) 47...Ke6 48.Qg7 Bg6 49.Qg8 Ke5 50.Rb8 Ke4 (50...Kd6 51.Qd8 Ke5+–) 51.Qe6 Kd4 52.Rd8 Kc5 53.Kg2 Kb4+– 54.Qe7 Kc3 55.Qc7 Kb4 56.Rb8 Rb5+– 57.Qd6 Kc4 58.Qf4 Kc5 59.Qe5 Kc4 60.Qb5 Kd4 61.Rd8 Kc3 62.Qc6 Kb3 63.Rb8 Ka3 64.Qa8# 1–0. Bestia02c – Holmes034, computer chess game, 2000.

2.a4 d5 3.d4 b5 (3...e5!?+=) 4.Nd2 Nd7 (4...ba4 5.Ngf3+=) 5.Nb3 (5.ab5 e5 6.de5 Bb4+/–) 5...Nb6 (5...ba4 6.Ra4 e5 7.Bd2=) 6.f4?? (6.ab5 e5 7.Nc5 Bd7+/–) 6...c5?? (6...e5 7.Nc5 Na4 8.fe5+=) 7.h4?? (7.dc5 ba4 8.Na5 e6+/–) 7...Bd7 8.e4 Bc6?? 9.Bd2 Qd6?? 10.c4 a5?? 11.Bc3 e5?? 12.Be2?? Ke7?? 13.g4 Ke6?? 14.Bf3 Ne7?? 15.Ra3 g5?? 16.Ne2 Bg7?? 17.Ng3 Ng6?? 18.Rh3 Ra6?? 19.Qd3 Bf6?? 20.Ke2 h5 21.Ke3 Rh6 (21...cd4 22.Kf2 dc4 23.ef5 Kd7 24.Nc5 Qc5 25.bc5 cd3 26.Bc6 Kc6 27.fg6 hg4 28.ab5 Kb5 29.hg5 Rh3 30.Ra5 Ra5 31.Ba5 Ka5 32.cb6 Rh2 33.Kg1–+; worse is 21...Nc4 22.Kf2 fe4 23.f5 Kd7 24.Nc5 Ke8 25.Qf1–+) ˝–˝. Barholz,Svenja – Czudaj,Jessica, Schleswig Holstein–ch U16 Girls, 2001.

2.a4 d6 3.d4= Nf6 (3...e5 4.de5 de5 5.Qd8 Kd8 6.c3=) 4.Nf3 h6 (4...e6 5.e3=) 5.e3+= e6 6.Be2 d5 (6...g5 7.0–0+=) 7.Bd2 (7.Ne5 Rg8+=) 7...Bd6 8.0–0 0–0 (8...Ne4 9.Na3+=) 9.Na3 Ne4 10.c4 Nd2 (10...Nd7 11.c5 Be7 12.Qc2+=) 11.Qd2 (< 11.Nd2 Bb4 12.Nf3 f4=+) 11...c6 12.c5 (12.b5 b6+=) 12...Bc7 13.Ne5 (better is 13.Nc2+=) 13...f4? (better is 13...Be5!? 14.de5 Nd7+=) 14.ef4+/– Nd7 15.b5 Nf6 (15...Ba5!? 16.Qe3 Nb8+–) 16.bc6 Ne4 (16...bc6 17.Nc6 Ne4 18.Qe3 (18.Nd8?! Nd2 19.Nc6 Nf1 20.Bf1 Bd7=) 18...Bf4 19.Nd8 Be3 20.fe3 Rd8 21.Bd3+–) 17.cb7 Bb7 (17...Nd2?? 18.ba8Q (18.ba8R?! Be5 19.fe5 Nf1 20.Rf1 Qa5+–; 18.ba8N? Be5 19.fe5 Nf1 20.Rf1 Bd7–+) 18...Nf1 19.Rf1 Be5 20.fe5+–) 18.Qe3 Ba5 (18...Be5 19.fe5 (19.de5?! d4 20.Qh3 Nc5+=) 19...Bc6 20.Nb5+–) 19.Ra2 Qf6 (19...Nc3 20.Bg4 Qe8 21.Rc2+–) 20.Nd7 Qf4 21.Nf8 Qe3 (21...Rf8 22.Rb2 Bc6 23.Qf4 Rf4 24.Rb8 Rf8 25.Rf8 Kf8 26.Nb5+–) 22.fe3 Rf8 23.Bd3 (23.Rb2 Bc6 24.Rf8 Kf8 25.Rb8 Kf7+–) 23...Re8 (23...Bd2 24.Nc2+–) 24.Be4 (24.Nb5 Bd2 25.Rf3 a6+–) 24...de4 25.Nb5 Bd5 26.Raf2 (better is 26.Rb2 a6 27.Nd6 Rd8+–) 26...Bc4 (26...e5 27.Nd6 (27.Na7 ed4 28.ed4 e3=) 27...Re6 28.Rf5+–) 27.Rc1 (< 27.Na7 Bf1 28.Kf1 Ra8+–) 27...Bd3 (27...Bb3 28.Rb2 Bd5 29.Na7+–) 28.Na7 Bd8 (28...Ra8 29.Nc6 Bc7 30.Ra1+–) 29.c6 Bc7 (29...Bh4 30.g3 Bg5 31.c7 Be3 32.c8Q Rc8 33.Rc8 (33.Nc8?! Bc1 34.Ne7 Kh7+/–) 33...Kh7 34.Nc6+–) 30.Nb5 (30.Rb2 Ba6+–) 30...Rc8 (30...Bb6 31.Nd6 Rd8 32.Nb7+–) 31.Nc7 Rc7 32.Rb2 Ba6 (32...Kf8 33.Rb7 Rc8 34.a5+–) 33.Rb6 Bc8 34.Rf1 Kh7 35.a5 e5 (35...h5 36.a6+–) 36.d5 Ra7 37.Ra1 Ba6 38.d6 (better is 38.Ra6 Ra6 39.c7 Ra8+–) 38...Kg8 39.d7 Rd7 1–0. market (2170) – fub (1735), GameColony.com, 2002.

2.a4 e6 3.e4 fe4 4.Qh5 g6 5.Qg4 Nf6 6.Qe2 Bb4 7.Bb2 Be7 8.f3 ef3 9.Qf3 0–0 10.Qc3 d6 11.g4 e5 12.g5 Ne4 13.Qc4 d5 14.Qb5 c6 15.Qb3 Ng5 16.c4 dc4 17.Bc4 Nf7 18.Bf7 Rf7 19.Be5 Bh4 20.Ke2 Qe7 21.d4 Be6 22.Qe3 Bd5 23.Nh3 Bf6 24.Rf1 Nd7 25.Rf6 Nf6 26.Ng5 Ng4 0–1. aleksandras19 – pepa1952, kurnik, 2012. (=1.a4 f5 2.b4)

2.b5 c6 3.e3 Nf6 4.Bb2 e5 5.Be5 d6 6.Bf4 cb5 (6...Be7 7.Nc3+/–) 7.Bb5+/– Nc6 8.c3 (8.Nf3 Be7+/–) 8...a6 9.Bc4 (9.Be2 Be6+=) 9...Ne4 (9...Ne5 10.Be2+/–) 10.Qb3 (better is 10.d3 Nc5 11.Bd5+/–) 10...b5? (10...Qe7 11.d3 Nc5 12.Qd1+=) 11.Bd5 (11.Bf7 Ke7 12.Nf3 Qd7+–) 11...Na5 (better is 11...Qc7!?+/–) 12.Bf7+– Kd7 (12...Ke7 13.Qd5 Qd7 14.Qa8+–) 13.Qe6 (better is 13.Qd5!? Nb7 14.Qf5 Ke7 15.Qh5+–) 13...Kc7+/– 14.Qd5 Nc6 15.Nf3 b4 16.Nd4 bc3?? 17.Qc6 Kb8 18.Ne6 cd2 19.Nd2 Qa5 20.Rb1 Ka7 21.Rb2 Rb8 22.Qc7 Rb7?? 23.Qa5 Rb2 24.Ne4 fe4 25.0–0 Bd7 26.Qc7 Ka8 27.Bd6 Bd6+– 28.Qd6 Rhb8 29.Qd7 Ra2 30.Nc7 Ka7 1–0. solidsteel – floydwe1, Live Game Caissa's Web, 2005.

2.b5 d5 3.d4 Nf6 4.Nf3 e6 5.e3 c5 6.Nc3 cd4 7.ed4 Bb4 8.Qd3 Ne4 9.Bd2 0–0 10.Rb1 Nd2 11.Rb4 Qd6 12.a3 Nc4 13.Nd2 Na3 14.Na2 Nc4 15.Nc4 dc4 16.Qc4 Nd7 17.Rb3 Nb6 18.Qb4 Qf4 19.Qd2 Qd2 20.Kd2 Rd8 21.Ke3 Nd5 22.Kf3 Nb6 23.c3 e5 24.de5 Re8 25.Bd3 Re5 26.Rbb1 Be6 27.Kf4 Rc5 28.Nb4 Bd7 29.Na2 Nd5 30.Kf3 Rd8 31.Rhc1 Nf6 32.Kf4 Be8 33.Rd1 Bb5 34.Bf5? Nh5–+ 35.Kg5 Rd1 36.Rd1 h6 37.Kh5 Rf5 38.Kh4 Rf2 39.Rb1 a6 40.Nb4 Rg2 41.Kh3 Rd2 42.Ra1 h5 43.Kg3 h4 44.Kh4 Rh2 45.Kg4 g6 46.Nd5 Rg2 47.Kf3 Rd2 48.Ke4 Kf7 49.Ke5 g5 50.Rg1 Re2 51.Kd4 Rd2?? 52.Ke5 Kg6 53.Nf4–/+ Kh6 54.Nh3 Rd3–+ 55.Ng5 Rc3 56.Ne4 Rc7 57.Rd1 Kg7 58.Nd6 Bc6 59.Nf5 Kh7 60.Rb1 b5 61.Ra1 Ra7–+ 62.Nd4 Bd7 63.Kd5 Be8 64.Kc5 Ra8 65.Ne6 Rc8 66.Kd6 Rc6 67.Kd5 Kg6 68.Ra5 Kh6 69.Nc5 b4 70.Na6 b3 71.Ra1 b2 72.Rh1 Kg7 73.Nc5?? Rb6 74.Ne6 Kf6 75.Rb1 Bg6 76.Rf1 Ke7 77.Nf4 b1Q 78.Rb1 Bb1 79.Ke5 Kd7 80.Nd5 Re6 81.Kd4 Bh7 82.Kc5 Rc6 83.Kd4 Re6 84.Kc5 Rc6 85.Kd4 Ke6 86.Nf4 Kf5 87.Nd5 Rd6 88.Kc5 Rd8 89.Nb6 Ke4 90.Nc4 Rc8 91.Kb4 Kd4 92.Nb6 Rc1 93.Ka5 Bg6 94.Nd7 Rb1 95.Nf6 Bf5 96.Ka4 Rb6 97.Nh5 Bd7 98.Ka5 Rb5 99.Ka6 Rh5 100.Kb7 Rc5 101.Kb6 Rc6 102.Kb7 Kc5 (103.Ka7 Rc7 104.Kb8 Kb6 105.Ka8 Rc8#) 0–1. Bestia02c – Holmes03, computer chess game, 2000.

2.b5 e5 3.e3 Nf6 4.Bb2 d6 5.c4 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.b5).

2.b5 e6 3.Bb2 Nf6 4.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5).

2.b5 g6 3.Bb2 Nf6 4.e3 Bg7 5.Nf3 0–0 6.Bc4 e6 7.0–0 d5 8.Bb3 c6 9.a4 Bd7 10.Nc3 a6 11.ba6 Na6 12.Ba3 Re8 13.Rb1 Qa5 14.Ne5 Rad8 15.f4 Bf8 16.Bf8 Rf8 17.Qe2 Nc5 18.h3 Nfe4 19.Ne4 Ne4 20.d3 Ng3 21.Qf3 Nf1 22.Qf1 b5 23.ab5 cb5 24.d4 Be8 25.Qd3 Rc8 26.Kh2 Rc3 27.Qe2 b4 28.Qe1 Bb5 29.Ra1 Qb6 30.Qg3 Rc7 31.h4 Rg7 32.Ba4 Ba4 33.Ra4 Rc8 34.Qf2 Qb5 35.Ra2 Rgc7 36.Rb2 Qa4 37.Qe1 Rc2 38.Qb4 Qb4 39.Rb4 R8c7 40.Nf3 Re2 41.Ng5 Re3 42.Rb8 Kg7 43.Re8 Rc6 44.Re7 Kg8 45.Rh7 Rc4 46.Re7 Rd4 47.Re6 Re6 48.Ne6 Re4 49.Nc5 Rf4 50.g3 Rc4 51.Ne6 Kf7 52.Nf4 d4 53.Kg2 Rc2 54.Kf3 Rc3 55.Kf2 d3 56.Ke3 Ra3 57.Nd3 Kf6 58.Kd4 g5 59.h5 f4 60.g4 Rd3 61.Kd3 Kg7 62.Ke4 Kh6 63.Kf3 Kg7 64.Ke4 Kh6 65.Kf5 1–0. avinoam – acappela, kurnik, 2012.

2.c3 d6 3.Qa4 (3.d4 Nf6=) 3...Qd7 4.b5 b6 (4...Nf6 5.d4=+) 5.g3 (5.e4 fe4 6.Qe4 c6+=) 5...Nf6 (5...Bb7 6.Nf3=+) 6.Bh3 (6.Bg2 d5=) 6...e6 (6...Bb7 7.Nf3=+) 7.d4 (7.Bg2 d5=) 7...e5 (7...Bb7 8.Nf3=+) 8.Nd2 (8.Bg2 e4=) 8...e4 9.f3 (better is 9.Nc4=) 9...Be7 (better is 9...Bb7=+) 10.fe4+/– Bb7 (better is 10...Ng4+/–) 11.c4?? (11.Bf5!? Qd8 12.Ngf3+–) 11...g6 (better is 11...Ne4 12.Ngf3 a6=+) 12.ef5?? (better is 12.d5 a6 13.ef5 gf5 14.e4 ab5 A) < 15.Qb5 Qb5 16.cb5 A1) 16...Ne4?! 17.Ne4 (17.Bf5? Nd2 18.Bb2 Rf8–+) 17...fe4 18.Bb2=; A2) 16...fe4–/+; B) 15.Qc2 bc4 16.Bf5+/–) 12...Bh1–+ 13.fg6 Qd8 14.g7 (better is 14.Bf5!?–+) 14...Rg8 15.c5 (15.Ngf3 Rg7 16.Kf1 d5–+) 15...Rg7 (15...dc5!? 16.Ngf3 Nbd7 17.Bb2–+) 16.Nc4 (16.c6–+) 16…Bd5 (better is 16...dc5 17.dc5 Bc5 18.Be3–+). Izzy5150 – gengar, ChessWorld.net, 2005.

2.c3 e5 (--> 1.b4 e5 2.c3 f5).

2.c3 Nf6 3.Nf3 d6 4.Nd4 (4.d4!?=) 4...e5=+ 5.Nf3 Be7 (5...e4 6.Nd4=+) 6.e3 (6.Qb3 e4 7.Nd4 d5=+) 6...0–0 (6...e4 7.Nd4=+) 7.h4 (7.Qb3 Kh8 8.Be2=+) 7...Nh5 (7...e4!? 8.Nd4 a5–/+) 8.Bc4 (8.Ne5 de5 9.Bc4 Kh8 10.Qh5 e4=) 8...d5=+ 9.Bb5 (9.Ne5 dc4 10.Qh5 Qd5=+) 9...c6 (9...e4 10.Nd4 Nf6 11.h5–/+) 10.Be2 (10.Ne5 Ng3 11.fg3 Qd6=+) 10...e4–/+ 11.Ne5 Nf6 12.h5 Nbd7 13.Ng6?? hg6–+ 14.h6 gh6 15.Rh6 Kg7 16.Rh4 Ng4 17.Bg4 Bh4 18.Bh3 Ne5 19.Bb2 Nd3 20.Kf1 Nf2 21.c4 Kg8 22.Qc2 f4 23.Qc3 Bf6 24.Qb3 fe3 25.de3 Bb2 26.Qb2 Nd3 27.Bf5 Nb2 (28.Nd2 Qg5–+) 0–1. steelnuts – snake54, Caissa.com, 2004.

2.Nc3 Nc6 3.b5+= Nd4 (3...Na5 4.Nf3+=) 4.e3+/– Ne6 5.Bd3 g6 6.Bf5 gf5?? (better is 6...a6 7.ba6 Ra6+/–) 7.Qh5# 1–0. erneste – idaho, internet, 2011.

2.Nc3 e5 3.a3 Nf6 4.Nf3 (4.d4 ed4 5.Qd4 Nc6=) 4...Nc6 (4...e4!? 5.Nd4 d5=) 5.b5+= e4 (5...Nd4 6.Ne5 Qe7 7.Nd3+=) 6.bc6 ef3 7.cd7 (7.cb7 Bb7 8.ef3 Rb8+=) 7...Bd7 8.ef3 Bc5 (8...Bd6 9.Rb1 Qe7 10.Qe2 Qe2 11.Be2=) 9.d4 (9.Bc4 Qe7 10.Qe2 c6+=) 9...Bb6 (9...Qe7 10.Be2 Bd6 11.Bg5+=) 10.Bc4 Qe7 11.Ne2 Be6 (11...Ba5 12.Bd2 Bd2 13.Qd2+/–) 12.Be6+/– Qe6 13.0–0 0–0 14.Qd3 c6 (14...Rad8 15.c4+/–) 15.Bd2 (15.Re1 Rae8+/–) 15...Rad8 (15...Rae8 16.Rfe1 Qd7 17.Rab1+/–) 16.Rfe1 Qd7 17.Rad1 Kh8 (17...Rfe8 18.Bg5+/–) 18.c3 c5 (18...Bc5 19.Ng3+/–) 19.Bg5 cd4 (19...Qa4 20.Qf5 cd4 21.cd4 Qa3 22.Bf6 Rf6 23.Qg5+/–) 20.Nd4 Bd4 (20...Qd6 21.Re6 Qa3 22.Bf6 gf6 23.Qf5 Bd4 24.cd4 Rd4 25.Rde1+/–) 21.cd4 h6 22.Bf6 Rf6 23.d5 b5 24.f4 a5 25.Qc3 Qa7 26.Re5+– Qb6 27.Rb1 Rfd6 28.Re7 Rg6 29.Qd3 Qd6 30.Re5 b4 31.ab4 ab4 32.Qf5 Rf6 33.Qe4 Qc5? 34.Qb4 Qc2 35.Rbe1 Rdf8 36.g3 Qg6 37.Re6 Qg4 38.Rf6 Rf6 39.Re5 Qd1 40.Kg2 Qd3 41.Qb7 Ra6 42.Re3 Qc4 43.Re8 Kh7 44.Qf7 Rf6 45.Qg8 Kg6 46.Re7 (46...Qe4 47.Re4+–) 1–0. jaskier (2095) – ookii (1750), internet, 2007.

2.c4 Nc6 3.a3 a5 4.b5 Ne5 5.e3 Nf6 6.Bb2 Nf7 7.Bf6 gf6 8.Nc3 e6 9.g3 c6 10.Bg2 d5 11.Nge2 (11.d4 Bd7+=) 11...Bd7 (worse is 11...dc4 12.bc6 bc6 13.Bc6 Bd7 14.Ba8 Qa8 15.Rf1+=) 12.0–0 (12.d4 cb5 13.cd5 e5=) 12...Rc8 (12...dc4 13.bc6 Bc6 14.Bc6 bc6 15.Qa4+=) 13.d4 (13.d3+=) 13...Bd6 (better is 13...dc4!? 14.bc6 Bc6=) 14.c5+/– Be7 15.bc6 bc6 16.Rb1 0–0 17.Qa4 Qc7 18.Rb6 Ra8 19.Rfb1 Ra7 20.Qb3 Bc8 21.Nf4 Re8 22.Rb8 Bd8 23.Na4 Ba6 24.Bf1 Bf1 25.Kf1 e5 26.Nd5 cd5= 27.Qd5 The passed pawn on c5 will become decisive later 27...Qe7 28.R1b7 Rb7 29.Rb7 Bc7 30.Nc3 Rb8 31.Ra7 Qd8 32.Qe6 Ra8 33.Ra8 Qa8 34.Nd5 Bd8 35.c6 Qa6 36.Kg2 Kg7 37.de5 fe5 38.h4 Qc4 39.h5 Qe4 Black gets strong initiative 40.Kg1 Qb1 41.Kh2 Qc2 42.h6?? Nh6–+ 43.Qd7 Nf7 44.Kg2 Qe4 45.Kg1 Qd3 46.Kg2 h5 47.Qe6 Qe4 48.Kg1 h4 49.c7? h3–+ 50.Nf4 Bc7 51.Qg6 Kf8 52.Nh3 Qg4 53.Qc6 Bd6 54.Kh2 Kg7 55.a4 f4 56.ef4 ef4 57.Nf4 Bf4 58.gf4 Qf4 59.Kg2 Qe5 60.f3 Nd6 61.Qd7 Kf6 62.Kf2 Qc5 63.Kg2 Qe5?? (63...Qe5 64.Kf2 Qb2 65.Kg3 Nf5 66.Kh3 Qb8 67.Qc6 Kg5 68.f4 Qf4 69.Qg2 Kf6 70.Qc6 Qd6 71.Qc3 Qe5 72.Qe5 Ke5–+; better is 63...Qg5 64.Kf1 Qd2–+) 0–1. Anastasian,Ashot – Tabatadze,Tamaz, Zt, V, Ankara (Turkey), 1995. (=1.c4 f5 2.b4)

2.c4 g5 3.Bb2 Nf6 4.h4 gh4 (4...g4 5.e3=) 5.Nf3 Bg7 6.Rh4 e6 7.Ne5?? (7.d4 Nc6+=) 7...Nc6?? (better is 7...Ng4 8.Rg4 fg4–+) 8.Nc6= bc6 9.e3 (9.g3 a6+=) 9...Bb7 (9...Ng4 10.Bg7 Qh4 11.g3–/+) 10.Be2 (10.d4!?+=) 10...Qe7 (10...Ng4!? 11.Bg7 Qh4 12.Bg4 Rg8 13.Bh5 Ke7–/+) 11.Bh5 Kd8 12.Nc3 Qb4 13.Qb3 (13.Bf3 Rb8 14.Rb1 Ne8=) 13...Qb3 14.ab3 c5 15.Nb5?? (15.f3!?–/+) 15...Bg2 (better is 15...Nh5 16.Bg7 Ng7 17.Kf1–+) 16.Bc3 (16.Be2 a6 17.f3–+) 16...Ke7?? (better is 16...a6 17.Na3 Nh5 18.Rh5 Bc3 19.dc3 Rb8–+) 17.Nc7–/+ Rac8 (17...Rab8!? 18.Nb5 Nh5 19.Rh5 Bc3 20.dc3 Bc6 21.Ra7 Bb5 22.cb5 Rb5–/+) 18.Ra7= Ne4?? 19.Bg7+– Rhg8 20.Be5 Ng5 21.Be2 Bf3 22.Rh6 Bc6 23.f4 Ne4 24.Rh7 Kd8 25.d3 Rg1 26.Bf1 Ng3 27.Bf6 1–0. blackiwhite (1700) – sfiduesi (1670), kurnik, 2012. (=1.c4 f5 2.b4 g5)

2.d3 Nf6 3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.d3).

2.d4 c5 3.bc5+/– a6 4.Bf4 Nc6 5.Nf3 Nf6 6.e3 e6 7.c4 Nb4 (7...Be7 8.Be2+/–) 8.Qa4 Nd3?? (better is 8...Nc6+–) 9.Bd3 Bd6 10.Bd6 b5 11.cb6 g5 12.c5 g4 13.Ng5 Rg8 14.Ne6 g3 15.Nd8 Kd8 16.hg3 Ng4 17.Qc4 Re8 18.Bc7 Ke7 19.Rh7 Kf8 (20.Qf7#; 19...Kf6 20.Qf7 Kg5 21.Qf5#) +–. Taulien,Hans_Juergen – Bruestl,Sabrina, remoteschach.de, 2003.

2.d4 e6 3.b5 a6 4.c4 d6 5.a4 Bd7 6.e3 Nf6 7.Bb2 Be7 8.g3 (8.Qf3 c6=) 8...0–0 9.Bg2 ab5 10.cb5 c6 11.Nc3 Qc7 (11...Qb6 12.Nf3=+) 12.Nge2 cb5 13.ab5 Ra1 14.Ba1 Qb6 15.Qb3 d5 16.Nf4 (16.0–0 Rc8=) 16...Rc8 (16...Ne4 17.Bf1=+) 17.0–0= Be8?? (better is 17...Bd6=) 18.Na4?? (18.Bd5 ed5 19.Ncd5 Nd5 20.Nd5+–) 18...Qb5–+ 19.Qb5 Bb5 20.Nb6 Rc2 (20...Rc6 21.Nfd5 ed5 22.Nd5 Nd5 23.Bd5 Kf8 24.Bc6 Bc6–/+) 21.Rb1–/+ Bc4 (21...Kf7 22.Nh3 Ne4 23.Be4 fe4 24.Rb5 Rc1 25.Kg2 Ra1=) 22.Rc1?? (better is 22.Nc4 Rc4 23.Ne6=) 22...Rc1–+ 23.Bf1 Ra1 (better is 23...Rf1 24.Kg2 Ra1 25.Nc4 dc4 26.g4–+) 24.Nc4 dc4 25.Ne6 (25.Kg2 c3 26.Bc4 c2 27.Be6 Kf8–+) 25...c3 26.Kg2 c2 27.Bc4 c1Q 28.Ng5 Qc4 29.Kf3 Qd5 30.Kf4 Bd6 0–1. MasterofDisaster – johmul, Live Game Caissa's Web, 2004.

2.d4 g6 3.Nf3+= Bg7 (3...Nf6 4.e3+=) 4.Nc3 (4.e3 Nf6+=) 4...Nf6= 5.Bf4 0–0 (5...Ne4 6.Qd3=) 6.e3+= c6 (6...a6 7.Bd3+=) 7.Be2 Na6 (7...d6 8.0–0+=) 8.Ba6 White gets strong initiative 8...ba6 9.0–0 a5 10.b5 Ne4 (10...cb5 11.Nb5 Bb7 12.c4+=) 11.Qd3+/– Nc3 (11...cb5 12.Nb5 d6 13.Rab1+=) 12.Qc3 cb5 (12...Bb7 13.Qb3 e6 14.Bd6+/–) 13.Bc7 Qe8 14.Qb3 Qf7 (14...Kh8 15.Qb5 d6 16.Rfb1+=) 15.Qb5 d6? (better is 15...a6 16.Qa5 Bb7+/–) 16.Ng5+– (16.Ba5?! Be6 17.Ng5 Bc4=; 16.Qa5?! Bb7+=) 16...Qf6 17.Qd5 Kh8 18.Nh7! Kh7 19.Qa8 Ba6 20.Qa7 Bf1 21.Rf1 e5 Black plans f4 22.d5 f4 23.ef4 ef4 24.Ba5 f3 25.g3 Qf5+= Threatening mate... how? 26.Bb4?? Qh3 27.Qg7 Kg7 28.Bc3 Kf7 29.Be5 Qg2 0–1. rekt – TT1, internet, 2001.

2.e3 b5 3.Nf3 Nf6 4.Bb5 e6 5.a3 c6 6.Ba4 d6 7.Bc6 Nc6 8.Qe2 Qd7 9.0–0 h6 10.Nc3 e5 11.d4 e4 12.Nh4 g5 13.Ng6 Rh7 14.Nf8 Kf8 15.d5 Ne7 16.f3 Nfd5 17.Nd5 Nd5 18.fe4 Nc3 19.Qd3 Ne4 20.Qe4 Rb8 21.Qd4 Qa4 22.Qd6 Ke8 23.Qb8 Qc2 24.e4 a6 25.ef5 Qc3 26.Bb2 Rb7 27.Bc3 Rb8 28.Rae1 Kf7 29.f6 Be6 30.Rf2 Rc8 31.Bd2 Rc2 32.Rfe2 Ra2 33.Re6 Rd2 34.Ra6 1–0. erch – gengar, ChessWorld.net, 2005.

2.e3 Nc6 3.Bb2 (3.b5!? Na5 4.Bb2+=) 3...Nb4+= 4.c3 (better is 4.a3 Nc6 5.Nf3+=) 4...Nd3?? (better is 4...Nc6–/+) 5.Bd3+– e5 (5...d6 6.e4 fe4 7.Be4+–) 6.Qa4 Qe7? 7.Ba3 Qf7 8.Bb5 Be7 9.Nf3 1–0. joew – legion, net–chess.com, 2002.

2.e3 d6 3.b5 c6 4.Qh5 g6 5.Qd1 Bg7 6.d4 e5 7.c3 ed4 8.cd4 c5 9.Bb2 Ne7 10.Nf3 cd4 (10...Be6 11.Ng5 Bd5 12.Nc3 cd4 13.ed4+=) 11.Nd4 a6 12.Ne6?? (better is 12.Qb3+/–) 12...Qa5–+ 13.Qd2 Qd2 14.Nd2 Bb2 15.Rb1 Be6 16.Rb2 Nd7 17.ba6 ba6 18.Be2 0–0 19.0–0 Rfe8 20.Bf3 Rad8 21.Nb3 Nc5 22.Nd4 Bf7 23.Rb6 (23.h4 Rb8 24.Rd2 Rec8–+) 23...Ba2 24.Ra1 Bc4 25.h3 Rd7 26.Nc6 Red8 (better is 26...g5 27.Rc1 Bb5 28.Rd1–+) 27.Nd8 Rd8 28.Rd1 Kf7 29.Rbd6 Rd6 30.Rd6 a5 31.g4 (31.Rd1 Bb3 32.Ra1 a4–+) 31...a4 32.gf5 (32.Rd4 Bb3 33.Bd1 Nc6–+) 32...a3 33.fg6 hg6 34.Rd4 a2 35.Rd1 Nb3 36.Rd7 (36.Be4–+) 36...a1Q 37.Kg2 Qf1 38.Kg3 Qg1 39.Bg2 Bf1 40.Kf3 Nd2! 41.Rd2 Qg2 42.Kf4 g5 43.Ke5 Qh2 44.Kd4–+ Qd6 45.Kc3 Qc5 46.Kb2 Qb4 47.Kc2 Qc4 48.Kd1 Nf5 49.Rd7 Ke8 50.Rd2 Qb3 51.Ke1 Qb1 52.Rd1 Qc2 53.Rd2 Qc3 (better is 53...Qc1 54.Rd1 Qc4–+) 54.Kf1 Qd2 55.Kg2 Nh6 56.Kg3 Qe2 57.Kg2 Nf5 58.h4 Qg4 59.Kf1 Qf3 60.hg5 Ng3 61.Ke1 Ne4 0–1. MasterofDisaster – SeriousTrouble, Live Game Caissa's Web, 2004.

2.e4 Nf6 3.e5+= Nd5 4.Nc3 Nc3 5.dc3 d6 6.Nf3 Nc6 7.Bf4 h6 (7...e6!?+=) 8.b5 Na5 9.Nh4 g5?? (better is 9...Be6 10.Ng6 Rg8+/–) 10.Qh5+– Kd7 11.e6! Ke6 12.Bd3 Kd7 (12...Rg8 13.Nf5 c6+– (13...gf4?? 14.Ng7 Kf6 15.Qh6 Ke5 16.Qg5 Bf5 17.Qf5#)) 13.Bf5 e6 14.Be6 Ke6 15.0–0–0 Bg7 (15...Rg8 16.Rhe1 Kf6 17.Be5 de5 18.Rd8 Nc4 19.Rf8 Rf8 20.Qh6 Kf7 21.Qg6 Ke7 22.Qg5 Kf7 23.Qg6 Ke7+–) 16.Rhe1 Be5 17.Be5 de5 18.Rd8 Rd8 19.Qg6 Kd5 20.Qd3 Kc5 (20...Ke6 21.Qf5 Kd5 22.Qe5 Kc4 23.Re4 Rd4 24.Rd4 Kc3 25.Qe3#) 21.Re5 Kb6 22.Qe3 c5 (22...Rd4 23.Qd4 c5 24.Qc5#) 1–0. pierre (2095) – mkhmaaref, internet, 2012.

2.Nf3 a6 3.Bb2 e6 4.g3 Nf6 (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–) 5.a3 Nc6 6.Bg2 d5 7.d3 Be7 8.0–0 0–0 9.Nbd2 b5 10.c4 Bb7 11.Qb3 Rb8 12.Rac1 Qd6 13.Rfd1 Rfc8 (13...Qd7 14.Qc3+=) 14.c5 (14.cd5 Qd5 15.Qc3 Qd6+/–) 14...Qd7+= 15.e4 Kh8 16.Ng5 Nd8 17.Ndf3 Bc6? (better is 17...h6!? 18.Nh3 fe4+=) 18.Ne5+– Qe8 19.Ne6! de4? (19...Ne6 20.ed5 Double attack (20.ed5 Decoy)) 20.de4 Nd7 (20...h6 21.Nc6 (worse is 21.ef5 Bg2 22.Ng6 Kh7 23.Bf6 Ne6 24.Be7 Bh3 25.Qe6 Bf5 26.Qf5 Qg6 27.Qg6 Kg6+–) 21...Nc6 22.ef5+–) 21.Nd8 (better is 21.Nc6 Ne6 22.Qe6+–) 21...Ne5 22.Nc6 (22.Be5?! Rd8 23.Re1 fe4 24.Bc7 Rd3+–) 22...Nc6 23.ef5 Nd8 24.Re1 Qf8 25.Rcd1 Bf6 (25...Nf7 26.Rd7 Re8 27.Rc7 Nh6+–) 26.Bf6 Qf6 (26...gf6 27.Rd7 Nc6 28.Bc6 Re8+–) 27.Re8 Qf8 28.Rf8 1–0. Tica,Sven (2095) – Ozimec,Zoran (1760), Rijeka CRO, 2014. (=1.Nf3 f5 2.b4 a6)

2.Nf3 b6 3.Bb2 e6 4.g3 Nf6 (4...Bb4?? 5.Bg7 Nf6 6.Bh8+–; 4...Bb7 5.b5 Nf6 6.Nc3 a6 7.a4 Bc5 8.Bg2 Ne4 9.0–0 0–0; 4...Na6 5.b5 Nc5 6.Nc3 Nf6 7.Bg2 Bb7 8.0–0 Bd6 9.d4 Nce4) 5.a3 (5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bb7 9.Nc3 Bd6) 5...a5 (5...Bb7 6.Bg2 Nc6 7.0–0 Bd6 8.Nc3 0–0 9.d4 a5) 6.b5 Bb7 7.Bg2 (7.Nc3 Bd6 8.Bg2 0–0 9.0–0 Qe8) 7...Be7 (7...Bd6 8.Nc3 0–0 9.0–0 Qe8) 8.0–0 (8.Nc3 0–0 9.0–0 d5) 8...0–0 9.c4 (9.Nc3 d5) 9...Qe8 (9...d5=) 10.Nc3 Qh5 11.e3 Ng4 12.h3 Nh6 13.d4 d6 14.Ne1 Qd1 15.Rd1 Bg2 16.Ng2 Nd7 17.Nf4 Kf7 18.d5 e5 19.Ne6 Rfc8 20.e4 Nf8 21.ef5 Nf5 22.g4 Nh4 23.f4 ef4 24.Rf4 Kg8 25.Rdf1 Bf6 26.Rf6 gf6 27.Ne4 Nd7 28.Bf6 Nf6 29.Nf6 Kh8 30.Ne4 Ng6? 31.Rf7+– Ne5 32.Re7 Re8 33.Rc7 Rac8 34.Rc8 Rc8 35.Nd6 Rc4 36.Nc4 Nc4 37.Kf2 Kg8 38.Ke2 Kf7 39.Kd3 Ne5? 40.Kd4 Nf3 41.Kc4 Nd2 42.Kd3 (42.Kd3 Nf3 43.Ke3+–) 1–0. Mareco,S (2470) – Reinoso,C (2150), 3rd Cup, Berazategui ARG, 2008. (=1.Nf3 f5 2.b4)

2.Nf3 g5 3.Bb2+/– h6?? (better is 3...Nf6 4.Ng5 e6+/–) 4.Bh8+– d5 5.Ne5 b6 (5...Nf6+–) 6.e4! d4 (6...fe4 7.Qh5) 7.Qh5# 1–0. Taulien,Hans_Juergen – Bruestl,Sabrina, remoteschach.de, 2003.

2.Nf3 g6 3.Nc3 Bg7 4.e3 d6 5.Bc4 Nf6 6.Bb2 c6 7.0–0 e5 8.b5 d5 9.Be2 e4 10.Nd4 0–0 11.Ba3 Re8 12.Rb1 Be6 (12...a6!? 13.b6 Be6+=) 13.bc6+/– bc6 14.f3 Qc7 15.fe4 (worse is 15.Ne6 Re6 16.fe4 Ne4 17.Ne4 Re4+=) 15...de4? (better is 15...Ne4 16.Ne4 fe4 17.Ne6 Re6+/–) 16.Ne6+– Re6 17.Bc4 Nd5 (17...Qf7+–) 18.Nd5 cd5 19.Bd5 Qd7 20.Ba8 Re8 21.Qe2 Nc6 (21...Rd8+–) 22.Qc4 Re6 23.Rb7 Qe8 24.Re7! Qa8 (24...Ne7 25.Qe6 Double attack (25.Qe6 Decoy; 25.Qe6 Interception)) 25.Qe6 Kh8 26.Re8 Qe8 27.Qe8 Bf8 28.Qf8 1–0. Janek – Gato, internet, 2016.

2.f4 e5 3.fe5 Bb4 4.Bb2 Nh6 5.c3 Ba5 6.d4 d6 7.ed6 cd6 8.Qa4 Bd7 9.Qd1 Ng4 10.h3?? (better is 10.Nf3–/+) 10...Qh4–+ 11.Kd2 Nf2 12.Qe1 (12.Qb3 Qd4 13.Kc1 Qe3 14.Nd2 Nh1 15.Ngf3–+) 12...Ne4 13.Kc1 Qe1 (14.Kc2 Ba4 15.Kd3 Nf2 16.Ke3 0–0 17.g3 Re8 18.Kf4 Nd3 19.Kf5 Qg3 20.ed3 Bd7) 0–1. pascals1975 – JanP (2505), ChessWorld.net, 2003.

2.g3 e6 3.Bg2 (3.a3 a5=) 3...Nf6 (3...Bb4!? 4.a3 Be7–/+) 4.a3= Nc6 5.Bb2 d6 6.d3 Be7 7.Nd2 0–0 8.Ngf3 Ng4 9.0–0 Bf6 10.d4 Qe8 11.c4 Qh5 12.e3 Bd7 13.h3 Nh6 14.Nh2 Rab8?? (better is 14...Qg6+=) 15.Qh5+– Be8 16.Qe2 Ne7 17.f4 g5 (17...Bc6 18.Nhf3+–) 18.Ndf3 g4 19.hg4 fg4 20.Nd2 (20.Ng5!? Nef5 21.Ng4 Ng4 22.Qg4 Bg6+–) 20...Bh5 21.Ne4 Nef5 22.Nf6 Rf6 23.Qf2 Rbf8 24.d5 e5 25.e4 Nd4 26.Bd4 ed4 27.Qd4 b6 28.f5 Nf7 29.Qe3 Ne5 30.Qg5 Bg6 31.Ng4 Ng4 32.Qg4 R8f7 33.fg6 Rg6 34.Qc8 Kg7 35.Rf7 Kf7 36.Rf1 Kg7 37.Qd7 Kh6 38.Qh3 Kg7 39.Qd7 Kh6 40.Rf7 a5 41.Rh7 Kg5 42.Rg7 ab4 43.Rg6 Kg6 44.ab4 Kf6 45.Bh3 b5 46.Qe6 Kg7 47.cb5 c6 48.Bf5 cb5 49.Qg6 Kf8 50.Be6 Ke7 51.Qf7 Kd8 52.Qd7# 1–0. sagonek – jantchinger, kurnik, 2012.

2.g3 g5 3.e3 e6 (better is 3...Nf6=) 4.Qh5+– Ke7 5.Bb2 Nf6 6.Qg5 Rg8?? (better is 6...Kf7+–) 7.Qf6 (better is 7.Bf6 Kf7 8.Bd8 Rg5 9.Bg5 Bb4 10.Nf3+–) 7...Ke8 8.Qe5 (better is 8.Qd8 Kd8 9.a3 Bg7 10.Bg7 Rg7+–) 8...Bg7 9.Qf4?? (better is 9.Qg7 Rg7 10.Bg7+–) 9...Bb2–+ 10.Qh6 Rg7 (10...Ba1 11.Qh7 Rg4 12.Qh5 Ke7 13.d4–+) 11.Qh5?? Kf8–+ 12.Na3 Ba1 13.Be2 b6 14.Nh3 Bb7 15.f3 Bb2 16.Nc4 Bf6 17.g4 fg4 18.fg4 Bh1 19.g5 Be5 20.Ne5 a5 21.Nf4 Ke7 22.g6 Qh8 23.Qg5= Ke8 24.Qf6?? Rg8 25.Qf7?? Kd8–+ 26.g7 Rg7 27.Qf6 Kc8 28.Ne6 Rg1 29.Bf1 Qf6 30.Nf4 Qe5 31.d4 Qe3 32.Kd1 Rf1# 0–1. wonderhorse – bsjostedt, net–chess.com, 2005.

2.h3 e5 3.Bb2 =.

2.h3 f4 3.g3 (better is 3.d4+=) 3...fg3–/+ 4.fg3 e5 (4...e6 5.e4–/+) 5.c3 (5.a3 Qg5 6.Kf2 a5+=) 5...Nf6 (5...Qg5 6.Kf2+=) 6.d4 (6.d3 d5+=) 6...ed4 (better is 6...Bd6–/+) 7.cd4? (better is 7.Qd4!? d5 8.Bg2–/+) 7...Bb4–+ 8.Kf2 (8.Bd2 Bd6 9.Bf4 Bf4 10.gf4 Nd5–+) 8...0–0 9.Bb2?? Ng4 10.Kg2 Ne3 11.Kh2 Rf2 12.Bg2 Rg2 0–1. katanjake – retard, internet, 2007.

2.Nh3 Nf6 3.e3 e6 (3...e5 4.Bb2 d6=) 4.d4 (better is 4.a3!?=) 4...Bb4–/+ 5.Bd2 Nc6 6.a3 (6.Bb4 Nb4 7.a3 Nc6=+) 6...Bd6 7.Bc3 Ne4 8.Bd3 Qh4 9.0–0 b6 10.Be4 fe4 11.Be1 (11.d5 Ne5 12.de6 de6 13.Be5 Be5–/+) 11...Ba6 12.Nd2? (better is 12.f4 Qf6 13.Rf2–/+) 12...Bf1–+ 13.Kf1 0–0 (13...Bh2 14.f4 Qd8 15.g3–+) 14.f3 Rf6 15.Bh4+– Rh6 16.Qe1 Rf8 17.Bg5 Rg6 18.Ne4 h6 19.Bf4 e5 20.de5 Be5 21.Rd1 d6 22.Be5 Ne5 23.Nf4 Rf4 24.ef4 Nc4 25.Qc3 b5 26.f5 (26...Rg2 27.Kg2+–) 1–0. kong – goffy, ChessWorld.net, 2005.

2.a3 Nf6

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.a3).

3.Nf3 d5 4.Bb2 =.

3.Nf3 d6 4.d4 e6 5.g3 (5.c4 Be7=) 5...Be7 (5...a5 6.b5=) 6.Bg2 0–0 (6...a5 7.b5=) 7.0–0 c6 (7...a5 8.b5=) 8.c4+= a5 9.b5 cb5 10.cb5 Nbd7 11.Qd3 Ne4 (11...d5 12.Bf4+=) 12.Nbd2 (12.Bf4 Bf6+=) 12...Ndf6 (12...d5 13.Qe3=) 13.a4 Kh8 (13...Qb6 14.Nc4 Qc7 15.Bf4+=) 14.Ba3 (14.Qe3 Nd5 15.Qb3 Bf6=) 14...b6 15.Rac1 Ra7 16.Qb3 Qd7 17.Ne4 Ne4 18.Rc2 Bb7 19.Rfc1 Bd5 20.Qe3 Qb7 21.Nd2 Qa8 22.Ne4 fe4 23.h4 Rd8 24.Rc3 Rad7 25.R1c2 Re8 26.Qc1 Rdd8 27.Rc7+= Bf6 28.Qe3 Rg8 29.Qc3 Rgf8 30.Bc1 Kg8 31.h5 Rde8 32.h6 g6 33.Qa3 Qd8 34.Qe3+= Qa8 35.Ba3 Rd8 36.R2c6 Bc6–/+ 37.Rc6 Qb8 38.Be4 Rfe8 39.Bf3 Re7= 40.Bg4 (40...e5 41.Bd6 Rd6 42.Rc8 Qc8 43.Bc8 Rd4 44.Qf3=). Baer,Werner (1900) – Bonetti,Shane (2110), TT–15 ETC, 2005.

3.g3 e5 4.Bg2 d5 5.Nh3 Bd6 6.Bb2 0–0 7.d3 Qe8 8.e3 f4 9.ef4 ef4 10.Kf1 f3?? (better is 10...Bg4 11.f3 fg3–+) 11.Ng5?? (better is 11.Qf3 Bg4 12.Qe3=) 11...fg2–+ 12.Kg2 Ng4 13.Rf1 Qh5 14.h4 Rf2! 15.Kg1 Bg3 16.Nd2 Qh4 17.Ndf3 Bh2 18.Kh1 Qg3 19.Be5 Qg2# 0–1. sacaniev – grno, kurnik, 2012.

2.Ba3 Nf6

3.b5 d6 4.e3 d5 5.Nf3= c6 6.bc6 bc6 7.Ne5 Nbd7 8.Nd3 e6 9.Bb2 Be7 10.Ne5 0–0?? 11.Nc6+– Qe8 12.Ne7 Qe7 13.Ba3 Nc5 14.d4 Qf7 15.Bc5 Re8 16.Bb5 Rd8 17.0–0 a6 18.Ba4 Ng4 19.Bb6 Rf8 20.h3 Nf6 21.Nd2 Qg6 22.Nf3 Ne4 23.Ne5 a5 24.Ng6 (24...hg6 25.Qc1+–) 1–0. pinecrest1981 – 310, Live Game Caissa's Web, 2005.

3.b5 e5 4.Bf8 Rf8 5.e3 =+.

3.d3 b5 4.c4= a6 5.c5 d6 6.cd6 ed6 7.Nf3 Nc6 8.e3 Be6 9.Be2 d5 10.0–0 Nb4 11.Bb4 Bb4–/+ 12.Nh4 0–0–+ 13.d4 Qd6 14.a3 Ba5 15.Nd2 Rab8 16.Bf3? Bc3 17.Ra2 c6 18.Nb3=+ a5 19.Nc5 Bc8 20.Na6?? Ba6–+ 21.Nf5 Qe6 22.Ng3 b4 23.Ne2 Ne4 24.Nf4 Qd7 25.Be2 Be2 26.Qe2 Qd6 27.ab4 ab4 28.Ra6 b3 29.Qg4 Nd2 30.Ra7 g6 31.Qh3 Rf7 32.Rf7 Kf7 33.Qh7 Ke8 34.Qg8? Kd7 35.Qf7 Kc8 36.Qe8 Kb7 37.Qf7 Kb6 38.Ne6 Nf1 39.Kf1 b2 40.Qg6 Ka5 41.Qb1 Qh2 42.Qa2 Kb5 43.Qb3 Ka6 44.Nc5 Ka5 45.Qc3 Kb6+– 46.Qb2 Kc7 47.Ne6 Kc8 48.Qa2 Qh1 49.Ke2+= Qh5 50.f3 Qh2 51.Qa6 Kd7= 52.Nc5 Kd6 53.Nb7?? Ke7?? 54.Qa3 Kf6 55.Kf2? Rb7–+ 0–1. pinecrest1981 – AKHENAMUN, Live Game Caissa's Web, 2006.

3.d3 e5 4.Nf3 =+.

3.e3 e6 4.Be2 Be7 5.d3 0–0 6.c4 Nc6 7.Nf3 (7.b5!? Nb8 8.Be7 Qe7 9.Nf3=) 7...Bb4 8.Bb4 Nb4 9.Qb3 a5 10.a3 Nc6 11.d4 b6 12.Nc3 Bb7 13.0–0 Ne7 14.d5 ed5 15.cd5 Kh8 16.Ng5 h6 17.d6 hg5 18.de7 Qe7 19.a4 g6 20.Bc4 Kg7 21.Rae1 1–0. jcekota (2100) – coora (2365), net–chess.com, 2011.

3.Nf3 d6 =.

2.a4 e5=+

3.Bb2 Nc6 4.b5+= Na5 (4...Nce7 5.Be5 Ng6 6.Bd4–/+) 5.Bc3 (5.Be5 Nf6–/+) 5...b6 (5...c5 6.Be5 d6 7.Bc3–/+) 6.Be5–/+ d5 7.e3 Qe7 (7...Nf6 8.Nc3–/+) 8.Nf3 Nf6 9.Be2 Ng4 (9...Be6 10.0–0+–) 10.Bc3 (10.Bf4 Nf6+–) 10...Nc4 (10...a6 11.Nd4–/+) 11.d3 (11.Nd4 Nf6+–) 11...Nd6 12.0–0 (12.Nd4 Nf6–/+) 12...h5 (12...a6 13.Na3–/+) 13.h3+– Bb7 14.hg4 hg4 15.Nh2 Qh4 16.Be5 0–0–0 17.a5 Nf7 18.Bg3 Qh5 19.ab6 cb6 20.Ra7 Bd6 21.f4 gf3 22.Bf3 Bg3?? 23.Bh5 Bh2 24.Kh2 g6 25.g4 fg4 26.Qg4 Kb8 27.Rb7! Kb7 28.Rf7 Kb8 29.Qf4 Ka8 30.Qa4 1–0. NN – NN, 2002.

3.Bb2 Qf6 4.Nf3 d6 5.Nc3 Be6 6.d4 e4 7.d5 Bd7 8.Nd4 Ne7 9.e3 f4 10.Qh5 g6 11.Ne4 Qf7 12.Qd1 fe3 13.Nb5 ef2 14.Nf2 Rg8 15.Nc7 Kd8 16.Na8 Nd5 17.Bc4 Be6 18.Bd5 Bd5 19.0–0 Qf5 20.Ng4 Qe4 21.Qd2 Bh6 22.Nh6 Re8 23.Rad1 Bc6 24.Qd6 Nd7 25.Nf7 Kc8 26.Qc7 1–0. b4_player (2245) – towinin20 (1780), GameColony.com, 2003.

3.Bb2 Nf6!?=+.

2.a4 Nf6

3.d4 e6 4.c3 Be7 (4...a5 5.b5=) 5.Nf3 b6 (5...0–0 6.a5=) 6.a5 Bb7 7.e3 ba5 (7...0–0 8.Be2=) 8.ba5 (8.Ra5 0–0=) 8...0–0 9.Ba3 Ba3 10.Ra3 Nc6 (10...Qe7 11.Bd3=) 11.a6+= Bc8 12.Bb5 Ne7 13.0–0 c6 14.Bc4 Rb8 15.Nbd2 Ne4 16.Bd3 Nd2 17.Qd2 Rb6 18.c4 Ra6 19.Ra6–/+ Ba6 20.Ra1 Qb6?? 21.c5+– 1–0. NN – InterUllr, internet, 2002.

3.Nf3 e5 =.

3.Nf3 b6 4.Bb2 Bb7 5.b5 d6 6.a5 ba5 7.Bf6 gf6 8.Nd4 c6? (Better is 8...e5 9.Nf5 Qd7+/–) 9.e4+– fe4? (9...h5 10.Ne6 Qb6 11.ef5 a6 12.bc6 Nc6+–) 10.Qh5 Kd7 11.Qf5 Kc7 (11...e6 12.Ne6 Qc8 13.Ng5 Ke7 14.Qe4 Kd7 15.Qe6 Kc7 16.Qf6 Qe8 17.Ne6 Kd7 18.Qh8 Qe6 19.Be2 Qe7+–) 12.Ne6 (12...Kc8 13.Nd8 Kd8 14.Nc3+–) 1–0. guest1400 – guest1428, ICC, 2003.

2.b5 b6

3.Bb2 d6 4.e3 e5 5.Nf3 Nf6 6.a4 Be7 7.Na3 Nbd7 8.c4 Nc5 9.d4 Ncd7 (better is 9...ed4!? 10.ed4 Nce4+=) 10.de5+/– de5 11.Be5 (better is 11.Ne5!? Bb4 12.Ke2+/–) 11...Bb4+= 12.Ke2 0–0 (12...Bb7 13.Bb2+=) 13.Bb2 (13.Nc2 a5+/–) 13...Qe7 14.Qd3 Nc5 15.Qc2 (15.Bf6!? Qf6 16.Qd4=) 15...Bb7+= 16.Nd4? (better is 16.Bd4+=) 16...Be4–+ 17.Nf5 (17.Nc6 Qe8 18.Nb4 Bc2 19.Nac2–+) 17...Qe6 18.g4 Ng4 19.Nd4 Qf7 20.Qc1 Qf2 21.Kd1 Bf3 22.Be2 Bh1 23.Kc2 Be4 24.Kd1 Ne3 25.Qe3 Qe3 26.Bc1 Qg1 27.Bf1 Qf1# 0–1. poganinbezdom – talija1948 (1675), kurnik, 2012.

3.Bb2 e6 4.a4 Nf6 5.Na3 Ba3 6.Ba3 d6 7.e3 0–0 8.Nf3 Bb7 9.Be2 Nbd7 10.0–0 Qe8 11.c4 Qg6 12.g3 Ng4 13.h3 Nge5 14.Kh2 Qh6 15.Ng1 Nf6 16.f3 g5 17.d4 Ng6 18.c5 g4 19.cd6 gf3 20.Bf3 Ne4 21.d7 Nh4 22.Bf8 Kf8 23.gh4 Qh4 24.Qe2 Qg3 25.Kh1 1–0. poganinbezdom (1620) – 3miny, kurnik, 2012.

3.e3 Bb7 4.Bb2 =.

3.e3 d5 4.c3 (Better is 4.Nf3+=) 4...h6 (Better is 4...a6=) 5.a4 (Better is 5.Qh5!? Kd7 6.Qf5 e6 7.Qf7 Qe7 8.Qe7 Ne7 9.d4+/–) 5…g5 (5...Nf6!?=) ˝–˝. wallsofsteel – Flucku, Live Game Caissa's Web, 2004.

3.e4 fe4 4.Qh5 g6 =.

2.b5 Nf6

3.a4 e5 4.c4 Bc5 5.Ba3 d6 6.e3 Bb6 7.Nc3 0–0 8.Qb3 Kh8 9.Nge2 Qe7 10.Ng3 f4 11.Nge4 Ne4 12.Ne4 fe3 13.de3 a6 14.h4 Be6 15.0–0–0 ab5 16.Nd6 b4 17.Qb4 Na6 18.Qb5 Rf2 19.Kb1 Ba7 20.Qb7 Rb8 21.Nf7 Qf7 22.Qb8 Nb8 23.Rd8 Qg8 24.Rg8 Kg8 25.Bd3 Na6 26.Rd1 Be3 27.Be4 Bd4 28.Bd5 Kf7 29.Rd3 c6 30.Be4 Bc4 0–1. Susanna – Cappello, corr 1962.

3.a4 g6 4.Ba3 Bg7 5.c4 d6 6.f3 (6.Bb2 0–0=+) 6...c6 7.h3? (7.d4 0–0=+) 7...Qb6 (Better is 7...Ne4!? 8.fe4 Ba1–+) 8.Nc3 Be6 9.e3 Nbd7 10.d4 c5 11.d5 Bf7 (11...Qa5 12.Rc1 Nd5 13.cd5 Bc3 14.Kf2 Bf7–/+) 12.g4? (12.Bb2!?=) 12...fg4 13.hg4 0–0 14.Ra2 Ng4 15.fg4? Bc3–+ 16.Kf2?? Bd5 0–1. rum – ox111, Live Game Caissa's Web, 2004.

3.a4 g6 4.Bb2 Bg7 5.Nf3 0–0 6.Na3 d6 7.e3 e5 8.Bc4 Kh8 9.0–0 d5 10.Bb3 e4 11.Ne5 Nbd7 12.c4 Ne5 13.cd5 Nd3 14.Bc3 Nd5 15.Bg7 Kg7 16.Ra2 Be6 17.Qa1 Qf6 18.Qb1 N5b4 19.Ra1 Bb3 20.Qb3 c6 21.Nc2 Nc2 22.Qc2 Rac8 23.Qb3 Rfd8 24.Rfb1 c5 25.a5 Nb4 26.Qc4 Qf7 27.Qc3 Kg8 28.Rc1 Rd3 29.Qe5 Rd2 30.Rc5 Rc5 31.Qc5 Nc2 32.Rc1 Qd7 33.g3 Rd1 34.Rd1 Qd1 35.Kg2 Qf3 36.Kf1 Qh1 37.Ke2 Qe1 0–1. poganinbezdom – spetznatz (1640), kurnik, 2012.

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.b5).

2.Nc3 Nf6

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.Nc3).

3.d4 e6 4.Bg5 (4.a3 Be7=) 4...Be7 (4...Bb4 5.Qd3–/+) 5.Nf3 (5.Rb1 0–0=) 5...h6 (5...Bb4 6.Qd3–/+) 6.Bd2 (6.Bf6 Bf6 7.e4 0–0=) 6...d5 (6...Bb4!? 7.Rb1 Nc6=+) 7.a3= 0–0 8.e3 Nbd7 9.Bd3 Ne4 10.0–0 Ndf6 (10...a5 11.Na4=) 11.Ne5+= Ng4 (11...Bd7 12.Ne2+=) 12.Ne4 (better is 12.Ng4 Nd2 13.Nh6 (< 13.Qd2 fg4 14.Qe2 a5+=) 13...gh6 14.Qd2+/–) 12...Ne5= 13.de5 fe4 14.Be2 Bh4 (14...c5 15.c4=) 15.c4+= Qg5 16.g3 Qe5 (better is 16...Qg6=) 17.gh4+– Qf6 18.f4 Qh4 (18...d4 19.ed4 Qd4 20.Kg2+/–) 19.Be1 Qh3 20.Bg3 (20.Qd4 Rf6 21.Rf2 Qf5+–) 20...Rf5?? (better is 20...Qf5+–) 21.Bg4 (21...Qf1 22.Kf1+–) 1–0. Whiterose – goffy, ChessWorld.net, 2005.

2.c4 e5

3.a3 Nf6 4.Bb2 d6 5.e3 h5 6.d4 Ne4 7.de5 Nc6 8.ed6 cd6 9.Nc3 a6 10.Ne4 fe4 11.Qd5 Be7 12.Bg7 Rh7 13.Qg8 Kd7 14.Qh7 Qe8 15.Bb2 Qf8 16.Ne2 Kd8 17.Rd1 Be6 18.Nf4 Bg4 19.Be2 Bg5 20.Bg4 hg4 21.Ne6 Ke8 22.Nf8 Be7 23.Qg6 Kd8 24.Rd6 1–0. Woelfelschneider,Peter – Krahl,Wolfgang, TRE, 2002.

3.a3 Nf6 4.Bb2 e4 5.Nc3 c6 6.d3 e3 7.fe3 d5 8.cd5 Nd5 9.Nd5 cd5 10.Nf3 Nd7 11.Qa4 a6 12.Nd4 Be7? (better is 12...Kf7+/–) 13.Ne6+– (13.Nf5?! Bf6 14.Nd6 Ke7 15.Nf5 Kf7+/–) 13...b5 (13...Qb6 14.Ng7 Kf7 15.Nf5 Bf6+–) 14.Qc2 (14.Nd8?! ba4 15.Ne6 Kf7+–; 14.Ng7?! Kf7 15.Qb3 Nf6=; 14.Bg7?! ba4 15.Nd8 Rg8=) 14...Qb6 15.Nc7 Kf7 (15...Kd8 16.Na8 Qb8 17.Rc1+–) 16.Na8 Qg6 17.Rc1 Bf6 18.Bf6 Qf6 19.g3 Ne5 (19...Qe7 20.Qc6 Qe3 21.Qd5 Qe6 22.Bg2+–) 20.Bg2 Be6 21.Nc7 Rc8 22.Qc5 Ng4 (22...Nd7 23.Qa7 Qe7 24.0–0+–) 23.Bd5 Bd5 24.Qd5 (24.Nd5 Rc5 25.bc5 Qb2+=) 24...Kg6 25.e4 Ne3 (25...Kh6 26.Qd7 Rd8 27.Qf5 Qf5 28.ef5+–) 26.ef5 Kh6 27.Qe4 Rc7 28.Qe3 Kh5 29.g4! Kh4 (29...Kg4 30.Rg1) 30.Qg3 Kg5 31.h4 Kh6 32.g5 Qg5 33.hg5 1–0. b4_player (2255) – fub (1830), GameColony.com, 2003.

3.Bb2 Bb4 4.Be5 Nf6 5.Nc3 Bc3 6.Bc3 0–0 7.Nf3 Nc6 8.e3 d6 9.Be2 Qe7 10.–0 Ne4 11.Bb2 f4 12.ef4 Rf4 13.d3 Nc5 14.Qd2 Rf8 15.Rae1 Bf5 16.Bd1 Qd7 17.Bc2 Rae8 18.Nh4 Ne7 19.Re3 Bg6 20.Ng6 Ng6 21.d4 Re3 22.Qe3 Re8 (22...Na4!? 23.Bc1 Nb6+/–) 23.Qf3+– Na4 24.Ba3 (24.Qd5!? Kh8 25.Bg6 hg6 26.Qb7+/–) 24...Nb6+/– 25.Bb3 Kh8 26.Qb7 Nf4 27.c5 (27.Qa7 Ra8 28.Qb7 Ra3+=) 27...d5 (27...Qg4 28.g3 Ne2 29.Kh1 dc5 30.Bc5 Nd4 31.Bd4 Qd4 32.Qc7 Nd7+/–) 28.Bc1+/– (worse is 28.cb6 Qg4 29.g3 Ne2 30.Kg2 Nf4 31.Kg1 Ne2 32.Kg2 Nf4 33.Kg1=; worse is 28.Qa7 Qg4 29.g3 Ne2 30.Kg2 Nf4 31.Kg1 Ne2 32.Kg2 Nf4 33.Kg1=) 28...Ne2 29.Kh1 Qb5 30.Be3 (worse is 30.cb6 Ng3 31.hg3 Qf1 32.Kh2 Qc1–/+) 30...Nd4 31.Rd1 Qc5 32.Qa7 Qc3 33.Bd5 Qc2 34.Rg1 Ne2 35.Bb3 Qc6 36.Rd1 h6 37.Qa6+/– Nc3 38.Rc1 Qe4 39.Qf1 Ncd5 40.Bc5 Nf4 41.Rd1 Qf5 42.Re1 Re1 43.Qe1 Qg6 44.Qf1 Ne6 45.Qd1 Nd7 46.Be3 Ne5 47.h3 Nf7 48.Qd5 Ned8 49.a4 1–0. Quist,Viggo Bove – Damborg,Benny Falck, DEN–ch corr Denmark, 1989. (=1.c4 f5 2.b4 e5)

3.Bb2 Bb4 4.Be5 Nf6 5.Nf3 Nc6 6.Bc3 d5 (6...Qe7 7.Qc1=) 7.e3 (7.Bb4 Nb4 8.cd5 Qd5=) 7...Be6 (7...Bc3 8.dc3 0–0 9.Nbd2=) 8.Nd4 (8.Bb4!? Nb4 9.Nc3+=) 8...Nd4= 9.Bb4 Nc6 10.Bc3 d4 11.Bb2 0–0 12.d3?? (better is 12.Qb3+= saving the game) 12...de3–+ 13.fe3 Ng4 14.Qd2 (14.Qe2 Qg5 15.Nd2–+) 14...Nge5?? (better is 14...Qg5 15.Bd4 Rfe8–+) 15.Be5 Ne5–/+ 16.Be2 Qh4 17.g3 Qh3 18.Na3 Rad8 19.d4 Ng4 20.Bf3 c6 21.0–0–0 Nf6 22.Qd3 Ne4 23.Rdf1 Ng5 24.Bd1 Qg2 25.Qe2 Qe2 26.Be2 Ne4 27.Kc2 a6 28.Bd3 b5 29.g4 Nd6 30.c5= b4 31.cd6 ba3 32.gf5 Ba2 33.Ra1+/– Bf7 34.Ra3 Rd6 35.Kc3 Rfd8 36.Ra6+/– Kf8 37.Rb1 Rh6 38.Rb2 Rh3+/– 39.e4 c5? 40.d5+– Bd5? 41.ed5 Rd5 42.Rb8 (42.Rb8 Ke7 43.Rb7 Rd7 44.Rd7 Kd7 45.Ra7 Kd6 46.Rg7+–) 1–0. Serrano Pertinez,M (2270) – Arias Velasco,JT (1965), UGA Inverno op, 2002. (=1.c4 f5 2.b4 e5)

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5).

3.Bb2 Qe7 4.b5 Nf6 5.Nf3 e4 6.Nd4 d6 7.e3 h5 8.Nc3 Be6 9.Qc2 d5? (better is 9...Nbd7!?+=) 10.Ne6 Qe6 11.Nd5 Nd5 12.cd5 Qd7 13.Rc1 Bd6 14.h4 a6 15.a4 Kd8 16.Qc3 Rh7 17.Qb3 Qf7 18.ba6 b6 (18...Na6 19.Qb7 Rb8 20.Qa6 Rb2 21.Qa8 Ke7+–) 19.Bc4 (better is 19.a5 Nd7 20.ab6 Nb6 21.Rc6+–) 19...Na6+/– 20.Ba6 Ra6 21.Rc6 f4 (better is 21...Ra5!?=) 22.Qc4+/– Ra5 23.Qe4 fe3 24.de3 (24.Qe3?! Qd5 25.Qg5 Qg5 26.hg5 Ra4+=) 24...Qd5 25.Qd5 Rd5 26.0–0 Rd2 27.Bd4 Ra2 28.Rfc1 Ra4 (better is 28...Ke8!?+/–) 29.Bb6!+– cb6 30.Rd6 Ke7 31.Rb6 Rh4 32.Rc7 Kd8 33.Ra7 Kc8 34.Rbb7 Rg4 35.Rf7 Kb8 36.Rae7 Rc4 37.Rg7 Rg7 38.Rg7 Kc8 39.Kh2 Rc2 40.f3 Kd8 41.Rh7 Rc5 42.Kh3 Ke8 43.Kh4 Rc2 44.Kg3 Rc5 45.e4 Rg5 46.Kh3 Kf8 47.g3 Kg8 48.Rd7 Rc5 49.Rd5 Rc3 50.Rf5 Kg7 51.f4 Kg6 52.Rg5 Kh6 53.Kh4 Rc1 54.Rh5 Kg6 55.Kg4 Rf1 56.e5 Rb1 57.Rf5 Rb4 58.e6 Re4 59.Re5 Rb4 60.e7 (60.e7 Rb8 61.e8Q Re8 62.Re8 Kf6 63.f5 Kf7 64.Re6 Kg8 65.f6 Kh8 66.Re8 Kh7 67.f7 Kg6 68.f8Q Kh7 69.Qf7 Kh6 70.Rh8) 1–0. Luettig,Hendrik – Damman,Frank, Pinneberg Winter–B, 1998. (=1.c4 f5 2.b4 e5)

3.Bb2 Nf6 4.Be5 Bb4 5.Nf3 d6 6.Bb2 Nc6 7.e3 f4 8.ef4 Bg4 9.Be2 0–0 10.0–0 Bc5 11.d4 Bf3 12.Bf3 (12.dc5?! Be2 13.Qe2 dc5=) 12...Bb6 13.Na3 Ne7 14.Bb7 Rb8 15.Bf3 c5 16.d5 Nf5 17.Rb1 Nd4 18.Nc2 Nf3 19.Qf3 Qd7 20.Rfe1 Qa4 21.Qb3 Qd7 22.Re6 Ng4 23.Qg3 Nf6?? (23...Bd8+–) 24.Bf6 Rf6 (24...Ba5 25.Rb8 Rb8 26.h3+–) 25.Rf6 Qe7 26.Re6 Qf7 27.Ne3 h5 28.Qg5 Kh7 (28...Rf8 29.f5+–) 29.Re7 (better is 29.Nf5!? Rf8 30.Re7 Bd8 31.Rf7 Bg5 32.Rg7 Kh8 33.Rg5 h4+–) 29...Bd8 30.Rb8 Be7 31.Qf5 Qf5 32.Nf5 (32...Bf6 33.Ra8+–) 1–0. Hechtlinger,John (2040) – Moore,Michael (1765), Dos Hermanas Internet Section, 2003.

3.b5 Nf6 4.a4 Bc5 5.e3 0–0 6.Bd3 (better is 6.Nc3!?+=) 6...d5–+ 7.Qb3 d4 8.ed4? (better is 8.Ba3 Ba3 9.Na3 de3 10.de3–/+) 8...Qd4 9.Nh3 Qg4 (9...Qa1?! 10.Bb2 Qb2 11.Qb2+=) 10.0–0 (10.Be2 Qg2 11.Qf3–+) 10...f4 11.Bc2 (11.Re1 f3 12.Bf1 Ne4–+) 11...f3! 12.Qf3 (12.Qf3 Qc4 Discovered attack (12...Qc4 Deflection)) 12...Qf3 13.gf3 Bh3 14.Re1 (14.Rd1 Bd4 15.Ra3 Be6–+) 14...Ng4! 15.fg4 (15.Re2 Rf3 16.Ra3 Rf2 17.Rf2 Nf2 18.Rf3 Nd3 19.Kh1–+) 15...Rf2 16.Re3 (16.d4 Bd4 17.Bh7 Kh7 18.Be3 Be3 19.Kh1 Bg2 20.Kg1 Re2) 16...Rf1 0–1. lolitaire – jaburr (2320), gameknot.com, 2014. (=1.c4 f5 2.b4 e5)

3.b5 Nf6 4.Bb2 Bc5 5.e3 d6 6.Nc3 0–0 7.g3 a6 8.Bg2 Nbd7 9.Nge2 e4 10.Nf4 Ne5 11.d4 ed3 (worse is 11...Nc4 12.Qb3 ab5 13.dc5+/–) 12.Nd3 Nc4 13.Qb3 ab5 14.Nb5 Be6 15.Bb7 (worse is 15.Nc5 dc5 16.Rd1 Qe7 17.Bf6 A) worse is 17...Qf6 18.Nc7 (18.Bb7 Na3 19.Qc3 Nb5 20.Qf6 gf6–+) 18...Bf7 19.Na8+/–; B) 17...Rf6 18.Bb7 Rb8–/+) 15...Rb8 16.Bc6 Rb6 17.Nf4?? (better is 17.Nc5 dc5 18.Rd1+=) 17...Bf7–+ (17...Rc6? 18.Ne6 Qe7 A) 19.Qc4?! d5 20.Bf6 Qe6= (20...dc4?? 21.Be7 Be7 22.Nf8 Kf8 23.Ke2+–); B) 19.Nf8+–) 18.Bd5 Nd5 (18...Bd5?! 19.Nd5 Nd5 20.Qc4–/+) 19.Qc4 Nf4 20.Qf4 Rb5 21.Bc3 Qe7 (21...Ba2 22.Qa4 Qa8 23.Qb5 Qh1 24.Ke2–+) 22.0–0 Bd5 23.a4 (23.Rfd1 Ba3 24.h4–+) 23...g5 24.ab5 gf4 (24...gf4 25.Bd4 Bd4 26.ed4 Qe4–+) 0–1. Dolgener,Daniel – Heidenfeld,Mark, Bad Urach op, 1986. (=1.c4 f5 2.b4)

3.b5 Nf6 4.Bb2 d6 5.d4 e4 6.d5 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Be7 10.e3 0–0 11.Nh3 c6 12.dc6 bc6 13.bc6 Nc6?? (better is 13...Qa5 14.Bc3 Qc5=) 14.Bf6+– Rf6 15.Qd5 Kf8 16.Qc6 Qa5? (better is 16...d5 17.Qa4 Rb6+=) 17.Nd2+– Qa1 18.Ke2 Ba6 (18...Qa6 19.Qa6 Ba6 20.Nf4+–) 19.Qa8 (better is 19.Ng5!? Kg8 20.Qd5 Kh8 21.Nf7 Rf7 22.Qf7 Qf6 23.Qe8 Qf8 24.Qf8 Bf8+–) 19...Kf7 20.Qd5 Kf8 21.Nf4 Bc8 22.Qc6 Be6 23.g3 g5 24.Ne6 Re6 25.Qd5 Rf6 26.Bg2 Qc3 27.Rb1 f4 28.Rb8 Kg7 29.Qg5 Rg6 30.Qe7 Kh6 31.Qh4 Kg7 32.Rb7 Kh8 33.Qh7 1–0. typ48 – roninlk (1605), kurnik, 2013. (=1.c4 f5 2.b4 e5)

3.b5 Nf6 4.e3 a6 5.Bb2 d6 6.a4 ab5 7.ab5 Be7?? (better is 7...Ra1 8.Ba1 Be7=) 8.Ra8+– Nbd7 9.d4 Nb6 10.Rc8! Qc8 (10...Nc8 11.de5 Combination; 10...Qc8 11.de5 Combination) 11.de5 Ne4 (11...de5 12.Be5 0–0 13.Nf3+–) 12.ed6 cd6 (12...Bd6 13.Bg7 Bb4 14.Ke2+–) 13.Nf3 (better is 13.Bg7 Rg8 14.Qh5 Kd8+–) 13...0–0 14.Nbd2 (14.Bg7!? Kg7 15.Qd4 Bf6 16.Qb6 d5+–) 14...d5 15.Qb3 dc4 (15...Bf6 16.cd5 Bb2 17.Qb2+–) 16.Nc4 Nc5 17.Nb6 Nb3 18.Nc8 Rc8 19.Nd4 (19.Bd3 g6+–) 19...Bb4 20.Ke2 f4 (20...Nd2 21.g3 (21.Nf5?! Nf1 22.Bd4 Rc2 23.Kd3 Rf2+–) 21...Nf1 22.Rf1+–) 21.Nb3 Rc2 22.Kf3 Rb2 23.Bc4 Kf8 24.Nd4 Bd2 25.Rd1 fe3 26.fe3 Bc3 27.Ne6 Ke7 28.Nf4 g5 29.Nd5 Kf8 30.Nc3 Rc2 31.Rd3 h5 32.h3 Rc1 33.g4 h4 34.Ke4 Rh1 35.Kf5 Rh3 36.Kg5 Rh1 37.Ne2 h3 38.Ng3 Rh2 39.Kh4 Rc2+– 40.Bd5 h2 41.Bb7 Rg2 42.Bg2 (42.Bg2 h1Q 43.Bh1 Kg8 44.Bd5 Kg7 45.Nf5 Kf6 46.Bc4 Ke5 47.Rd6 Ke4 48.Kg3 Ke5 49.Re6#) 1–0. poganinbezdom (1605) – matoldo2, kurnik, 2012. (=1.c4 f5 2.b4)

2.c4 e6

3.a3 a5 4.b5 Nf6 5.Bb2 Be7 6.Nf3 0–0 7.Qc2 b6 8.e3 Bb7 9.Be2 Qe8 10.h3 Qg6 11.Rg1 Qh6 12.Nc3 Ne4 13.0–0–0 (13.d3 Nc3 14.Bc3 Bf6=) 13...Bf6 (better is 13...Nf2!? 14.Rdf1 Ne4–/+) 14.Rdf1= d6 15.Nd4 Nd7 16.g4 Ndc5 17.f4 Nc3 18.Bc3 Qh3 19.g5 Be4 20.gf6 Bc2 21.Rg7 Kh8 22.Kc2 Ne4 (better is 22...c6!?+=) 23.Ne6+= Nc3 24.Ng5 (24.Nf8 Rf8 25.Kc3 Qh4 26.Rc7 Qf6 27.Kc2 Rf7 28.Rc8 Rf8+/–) 24...Qh6 25.Rh7 Qh7 26.Nh7 Kh7 (worse is 26...Ne2 27.Nf8 Rf8 28.Rf2+–) 27.Kc3 Rf6 28.Kd4 Kg7 29.Kd5 Rh8 30.Bd3 Rh2 31.Rd1 Rf7 32.a4 Kf6 33.Kc6 Rg7 34.Bb1 Ke6 35.e4 fe4 36.Be4 Rf2 37.f5 Ke5 38.d3 Ra2 39.Rh1 Ra4–/+ 40.Rh6 Rc4 41.dc4 Ke4 42.f6 Rf7–+ 43.Rh5 Kd4 44.Rg5 Kc4 45.Rg4 Kd3 46.Rg7 Rf6 47.Rc7 d5! 48.Kd5 Rf5 49.Kc6= Rf6 50.Kb7 a4 51.Rc6 Rf1 52.Rh6 a3–+ 53.Rh2 Kc4 54.Kb6 Rb1?? 55.Kc6= Rb2 56.Rh4 Kc3 57.b6 Rb6 58.Kb6 a2 ˝–˝. Maze,Sebastian (2560) – Bonafede,Alessandro (2340), XXXVII Citta di Cagliari, 2012. (=1.c4 f5 2.b4 e6)

3.a3 Nf6 =.

3.Bb2 Nf6 4.b5 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4).

3.Qb3 a5 4.b5 b6 5.Nf3 Bb7 6.g3 (6.Nc3 Nf6=) 6...Nf6 (6...g5 7.Bb2 Nf6 8.Bg2=) 7.Bg2= e5 (7...a4 8.Qc2=) 8.0–0 d6 (8...e4 9.Nd4 a4 10.Qc2+=) 9.d4+= e4 10.Ng5 (10.Nh4 Qd7+=) 10...Qe7 11.f3 Nbd7 12.Nc3 h6 13.Nh3 g5 14.fe4 fe4 15.Ba3 (15.Bb2 Bg7+=) 15...0–0–0 (15...Bg7 16.e3=) 16.Rac1 (16.e3 Bg7+=) 16...Qe6 (16...Bg7 17.e3=) 17.e3 (17.d5 Qe8+/–) 17...Kb8 (17...Bg7 18.d5 Qe7 19.Nf2+/–) 18.d5 Qe7 19.Qc2 (19.Nf2 Bg7+/–) 19...Bg7+= 20.Nf2 The pressure on e4 grows (worse is 20.Be4 Ne5 21.Qe2 Neg4=) 20...h5 (20...Rde8 21.Nce4 Ne4 22.Be4+/–) 21.Nce4+/– Ne4 22.Qe4 Ne5 23.Nd3 Rde8+= 24.Ne5 Be5= 25.Rc2 h4 26.Rf5 hg3–+ 27.hg3 Qh7 28.Rg5? Qh2 29.Kf1 Bg3 30.Qf3 Rhf8 31.Rf5 Rf5 32.Qf5 Qh6 33.Bf3 Bc8 34.Qd3 Re3 (34...Re3 35.Qe3 Qe3–+) 0–1. Lehtinen,Heikki – Niemi,Mikko, Tampere We TammerSh, 2006.

3.e3 Bb4 4.a3 Be7 5.Bb2 –/+.

3.e3 Nf6 4.d4 c6 (4...Bb4 5.Bd2 Be7 6.Be2–/+) 5.Be2 d5 (5...Bb4 6.Bd2 Be7 7.Nf3+=) 6.h4 (6.c5 b6+=) 6...Bd6 (6...dc4 7.Bd2 b5 8.Bh5 Nh5 9.Qh5 g6 10.Qe2–/+) 7.h5 Ne4 8.h6 g6 9.c5 Bc7 10.Nf3 0–0 11.Ne5 Be5 12.de5 b6 13.Rh3 bc5 14.f3 Qb6?? (better is 14...Ng5 15.Rg3 cb4–+) 15.fe4= de4? (better is 15...Qb4!? 16.Nd2 fe4=) 16.bc5+/– Qb4? 17.Bd2 Qb2? 18.Bc3 Qb7 19.g4 Nd7? 20.gf5 ef5 21.Nd2 Nc5 22.Bc4 Be6+/– 23.Qc2 Rad8 24.Be6 Ne6 25.a3 a6 26.Rb1 Qa7 27.Qb3 Rfe8 28.Nc4 Kf8 29.Nd6 Re7 30.Qc4 Qc5 31.Qb3 Qd5 32.Qb6 Nc5?? 33.Qd8 Re8 34.Qf6 Kg8 35.Qg7 1–0. playok117 – blusmen, kurnik, 2012. (=1.c4 f5 2.b4 e6)

2.c4 Nf6

3.a4 e5+= 4.Nc3 (better is 4.b5!?+=) 4...Bb4–+ 5.Ba3 Bc3 6.dc3 d6 7.c5 0–0 (better is 7...d5–+) 8.cd6= cd6 9.e3 (better is 9.Bd6!? Re8 10.Qb3 Be6 11.Qa3–/+ (11.Qb7?? Qd6 12.Rd1 Qa3–+)) 9...Ne4 10.Qc2 (10.Bd3!? Qc7 11.Ne2–/+) 10...Be6 11.Nf3 Nc6 12.Bb5 Qc7 13.0–0 Rfc8 14.Rac1 a6 (better is 14...Na5!?–+) 15.Bd3–/+ d5 16.Be4 (16.c4 Rd8–/+) 16...fe4 17.Nd2 h6 18.Bb2 (18.c4 Na5–/+) 18...Qf7 (18...Nb4 19.Qb3 Nd3 20.Rb1–+) 19.c4 d4 (better is 19...Nb4 20.Qb1 dc4 21.Ne4 Qd7–+) 20.Qe4+= Bf5 21.Qf3 d3 (better is 21...Rf8!?+=) 22.e4+/– Bg6 23.Qf7 (23.Qd3!? Qf4 24.g3+/–) 23...Bf7= 24.f4 ef4 25.Rf4 Na5 26.c5 Rc6 27.h3 Nb3 (better is 27...Rd8=) 28.Nb3?? (better is 28.Rf7 Nc1 29.Rg7 (29.Rb7?! Ne2 30.Kf2 g5=) 29...Kf8 30.Rb7 Ne2 31.Kf2+/–) 28...Bb3–/+ 29.a5?? Bc2 30.Rcf1 Rc5 31.Rf7–/+ Rg5 32.e5 Re8 33.Re1?? Re6 34.Rb7?? d2–+ 35.Rf1 d1Q 36.Rd1 Bd1 37.g4 Bf3 38.Kf2 Bb7 0–1. clio50 – veze, kurnik, 2013. (=1.c4 f5 2.b4 Nf6)

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.c4).

3.Nc3 e6 4.a3 Ne4 (4...a5 5.b5=) 5.Ne4+= fe4 6.Bb2 d5 7.e3 Nc6 8.Nh3 a5 9.b5 Na7 10.Rc1 dc4 (10...Kf7 11.Qh5 Kg8 12.cd5+–) 11.Rc4+– Nb5?? (better is 11...c6 12.bc6 Nc6 13.Re4 Qd5+–) 12.Qh5 g6 13.Qb5 c6 14.Qb3 b5 (14...Rg8+–) 15.Rc6 Bd7 (15...Qd5 16.Qd5 ed5 17.Bb5+–) 16.Re6 Be6 (16...Be7 17.Bh8 a4 18.Qd5 Be6 19.Qe6+–) 17.Qe6 Be7 18.Bb5 Kf8 19.Bc4 Bf6 20.Qf7 1–0. glovio (1620) – lady, gameknot.com, 2013.

3.d4 e6 4.a3 b6 5.Bg5 Bb7 6.Nc3 h6 7.Bf6 Qf6 8.e3 c5 9.bc5 bc5 10.Nf3 Nc6 11.Be2 Be7 12.0–0 0–0 13.d5 (better is 13.Qd3=) 13...Qc3–/+ 14.dc6 Bc6 15.Rc1 Qf6 16.Qd2 g5 17.Rb1 Rab8 18.Qc2 Bd6 19.Rfd1 Bc7 20.Qa2 1–0. Taroak – Sixty4, playchess.de, 2005.

3.d4 e6 4.Nf3 Bb4–/+ 5.Bd2 Bd2 6.Qd2 0–0 7.Nc3 c6 8.e3 d5 9.c5 (9.Bd3 Ne4 10.Qb2 b6+=) 9...Ne4 10.Bd3?? (10.Ne4 fe4 11.Ne5 Nd7 12.Nd7 Bd7–/+) 10...Nd7 (10...Nd2 11.Nd2 b6 12.Nb3–+) 11.Ne5?? (better is 11.Qc2–/+) 11...Ne5 (better is 11...Nd2 12.Nd7 Bd7 13.Kd2–+) 12.de5 (12.Be4 Nc4 13.Qc1 fe4 14.Ne4 Qa5 15.Nc3–+) 12...Qa5 (better is 12...Nd2 13.Kd2 d4–+) 13.Ne4+– Qa6?? (13...Qc7 14.Nd6 b6+–) 14.Ba6 1–0. dick54 – jason64, playok.com, 2012. (=1.c4 f5 2.b4 Nf6)

3.e3 e6 4.a3 c6 5.d4 d5 6.g3 Bd6 7.Nd2 0–0 8.Bg2 Nbd7 9.Ngf3 Ne4 10.–0 Rf6 11.Bb2 Rh6 12.Rc1 Ndf6 13.Qc2 Ng4 14.cd5 ed5 15.Nb3 Qe8 16.Nc5 Qh5 17.Ne4? (17.h3 Bg3 18.fg3 Ne3 19.Qe2 Nf1 20.Qf1 Ng3 21.Qf2–+) 17...fe4–+ (17...de4?! 18.Nh4 Nh2 19.Rfd1–+) 18.Nh4 g5 (18...Nh2 19.Rfe1–+) 19.h3 gh4 20.hg4 Bg4 (worse is 20...Qg4 21.f4 h3 22.Be4 de4 23.Kh1–+) 21.Rfe1 (21.Be4 hg3 22.fg3 de4 23.Qg2–+) 21...Bf3 22.b5 hg3 (22...h3 23.Qd1 hg2 24.Qf3 Qh2) 23.fg3 (23.Bh3 Qh3 24.fg3 Qg3 25.Qg2 Qg2) 23...Bg3 24.Red1 (24.Bh3 Qh3 25.Qh2 Qh2 26.Kf1 Qg2) 24...Qh2 (24...Qh1 25.Bh1 Rh1) 25.Kf1 Rf8 (25...Rf8 26.Qf2 Bg2 27.Ke1 Rf2 28.bc6 Rb2; 25...Qh1 26.Bh1 Rh1) 0–1. barborski – f4s, kurnik, 2013.

3.Nf3 e6 4.Qb3 Be7 5.Nc3 b6 (5...Nc6 6.b5 Na5 7.Qa4=) 6.Bb2 (6.b5 d6+=) 6...0–0 7.e3 c5 8.b5 d6 9.Be2 Ne4 10.0–0 Nc3 11.Bc3 Nd7 12.h3 Bb7 13.Rfe1 e5 14.d4 e4 15.Nd2 Bh4 16.g3 Bf6 17.a4 a5 18.ba6 Ra6 19.a5 Qe7 20.Qb2 Rb8 21.Nb3 ba5 22.Na5 Bd5 23.Qc2 Bf7 24.Reb1 Qd8 25.Rb8 Qb8 26.Rb1 Qc8 27.Rb5 Be8 28.Kg2 h6 29.Qb2 Qa8 30.Qb3 Kh7 31.Qb1 Qd8 32.h4 Qa8 33.h5 Bf7 34.g4 Be6 35.d5 Bd5 36.cd5 Bc3 37.Rb7 Ra5 38.Rd7 Qd5 (better is 38...Ra2!? 39.Qb6 f4=) 39.Qb8= Ra8 40.Rd6 Rb8 41.Rd5 f4 42.ef4 Bd4 43.Rd7 Rb2 44.Kf1 Rb1 45.Kg2 ˝–˝. fenek (2225) – rekees (2310), gameknot.com, 2014. (=1.c4 f5 2.b4 Nf6)

2.d4 d5

3.e3 e5!? 4.Nf3 Nd7 =.

3.e3 g6 4.Nf3+= Nd7 5.c3 Ngf6 6.c4 c6 7.c5 Bg7 8.Be2 0–0 9.Ng5 Nb8 10.0–0 e6 11.Bd2 Ne4= 12.Ne4 fe4 13.f3 Qc7 14.fe4+/– de4 15.Qc2 Nd7 16.Nc3+– Nf6 17.Ne4 Bd7 18.Bd3 Ne4 19.Be4 e5 20.d5 cd5 21.Bd5 Kh8 22.e4 Rf1 23.Rf1 Rf8 24.Qc1 Bc6 25.Rf8 Bf8 26.Bh6 Bh6 27.Qh6 Qd8 28.Bc6 bc6 29.h3 Kg8 30.Qe3 Qb8 31.a3 Qd8 32.Kf2 Qf6 33.Ke2 Qd8 34.g3 Qd7 35.g4 Kg7 36.Qd3 Qe6 37.Qc2 Qe7 38.Qc3 a6 39.Qd3 Qa7 40.Qd6 a5 41.Qe5 Kg8 42.Qe8 Kg7 43.Qc6 ab4 44.a4 b3 45.Qb5 Qc7 46.Qb3 Qh2 47.Kd1 Qg1 48.Kc2 Qc5 49.Qc3 Qc3 50.Kc3 Kf7 51.a5 (51...Kf6 52.Kd4+–) 1–0. zggenev – halo2, ChessWorld.net, 2005.

3.Bf4 Nf6 4.e3 e6 5.a3 c6 6.Be2 Nbd7 (6...Bd7 7.Nf3+=) 7.Nf3 Ne4 (7...b5 8.0–0+=) 8.0–0 Ndf6 (8...Be7 9.c4+/–) 9.Ne5+/– Bd6 (9...Be7 10.Bh5 g6 11.Be2+/–) 10.c3 (10.f3 g5 11.fe4 gf4 12.Bh5 Ke7+–) 10...0–0 (10...Qc7 11.f3 g5 12.fe4 gf4 13.Bh5 Ke7 14.Nf7 Nh5 15.Nh8+–) 11.h3 (11.f3 g5 12.fe4 gf4 13.ef5 (worse is 13.Rf4 de4 14.Qe1 Nd7=) 13...fe3 14.Qd3+=) 11...Qe8? (better is 11...Bc7+=) 12.Nd2?? (better is 12.f3+–) 12...Nc3+= 13.Qe1 Ne2 14.Qe2 Ne4 15.Ndf3 b6 16.Nd3 Ba6 17.Nfe5 Be5 18.Be5 Qg6 19.Qc2 Ng5 20.f4 Nh3 21.Kh2= Ng5 22.fg5 Qg5 23.Rfe1 Qh4= 24.Kg1 f4?? 25.Nf4+– g5? 26.Ne6 Rf7 27.Nc7 Raf8? 28.Qc6 Bd3 29.Qd5 Be4+/– 30.Qc4?? Qf2 (30...Qf2 31.Kh2 Qg2) 0–1. dadio – bigsteve (2060), net–chess.com, 2004. (=1.d4 f5 2.b4)

2.d4 e5

3.c3 ed4 4.Qd4 Nc6 5.Qe3 Qe7 6.Qg3 Ne5 7.Bf4 d6 8.Nd2 Nf6 9.Nh3 Nh5 10.Qe3 Nf4 11.Nf4 g6 12.Qd4 Bg7 13.Nd5 Qf7 14.0–0–0 Ng4 15.Qc4 c6 16.Nf3 Nf2 17.Ng5 cd5 18.Nf7 dc4 19.Nh8 Nh1 20.e3 Nf2 21.Rd6 Bh8 22.Bc4 Bc3 23.a3 Be5 24.Bb5 Ke7 (25.Rd2 Ne4–+) 0–1. Sigma 4 – MacChess 5.0, 2000.

3.de5 Bb4 4.c3 Bc5 5.Nf3 Nc6 6.Bf4 d5 7.h4 Nge7 8.h5 Be6 9.h6 g6 10.e3 Qd7 11.Nbd2 0–0 12.Rb1 Bb6 13.Bd3 Nd8 14.0–0 Nf7 15.Ng5 c5 16.Bb5 Nc6 17.Ndf3 Ng5 18.Ng5 Qe7 19.c4 d4 (< 19...dc4 20.Qd6 Bf7 21.Bc6 Qd6 22.ed6 bc6 23.Nf7 Kf7 24.Rfd1+/–) 20.Bc6 bc6 21.Qa4 Rac8 22.Rbd1 Rfd8 23.Rd3 de3 24.Rd8 Rd8 25.Be3 Rd3 26.Ne6 Qe6 27.Rd1 Rd1 28.Qd1 Kf8 29.Qd6+/– Qd6 30.ed6 Kf7 31.Bf4 Ke6 32.f3 Kd7 33.Kh2 Bd8 34.Kh3+/– g5 35.Be5 ˝–˝. Maetz,Erich – Arnold,G_Robert (2250), World Cup XII P070, 2000.

3.b5 ed4

4.Qd4 d5

5.c4 Be7 6.Nc3 Bf6 =.

5.Qe5 Ne7 =.

5.Nf3 c5 6.Qd3 Nf6 =.

5.Nc3 Nf6

6.Nf3 c5 7.bc6 Nc6 8.Qe3 Be7 =+.

6.Bg5 Be7 =.

3.b5 e4

4.c4 d5 =.

4.Bf4 d5 5.Nh3 Nf6 6.e3 a6 7.Nd2 Ba3 8.c4 =.

4.Nh3 c6 5.a4 =.

4.Nh3 c6 5.bc6 dc6 6.Bg5 =.

4.Nh3 d5

5.Bg5 Nf6 =.

2.d4 Nf6

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.d4).

3.Nf3 d5 (--> 2.Nf3 d5 3.d4 Nf6).

3.Nf3 e6 (--> 2.Nf3 Nf6 3.d4 e6).

3.Nf3 e6 4.a3 Be7 (--> 2.Nf3 e6 3.a3 Be7 4.d4 Nf6).

2.e3 e5

3.Bb2 Bb4 4.Be5 Nf6 5.a3 Be7 6.Nf3 Nc6 7.Bb2 0–0 8.Bc4 d5 9.Bb3 Na5 10.Ba2 Re8 11.0–0 b5 12.Nd4 Nc4 13.Bc4 bc4 14.Qf3 Qd7=+ 15.Nc3 Rb8 16.Rfb1 c5 17.Nde2 d4 18.Nd1 Bb7 19.Qh3 Be4 20.Bd4 Rb1 21.Rb1 Bc2 22.Ra1 cd4 23.Nd4 Ng4 24.Nb2 Bf6 25.Rf1 Be4 26.Qh5 Re7 27.Qh3 Be5 28.Nc4 Bh2 29.Kh1 Bd3 30.f3 Bf1 31.fg4 Bb8 32.Nf5 Re6 33.Nb2 Qd2 34.Na4 Bd3 35.g3 Qe1 36.Kh2 Bf5 (37.Nc3 Rh6 38.Kg2 Rh3 39.Ne2 Be4 40.Kh3 Qh1#) 0–1. Valica,Slavo – Lonsdale,David Robert, CO1–03 b2–b4.com, 2003.

3.Bb2 Bb4 4.Be5 Nf6 5.a3 Be7 6.Bf6 Bf6 7.d4 c5 8.c3 cd4 9.cd4 Nc6 10.Nf3 Qe7 (10...d5 11.Nc3=) 11.Be2 (11.Nc3 Qe6+=) 11...d5 12.0–0 0–0 13.Nc3 Be6 14.Rb1 (14.Qb3 Rad8=) 14...b6 (14...Qa3!? 15.Qd3 Nb4=) 15.Bb5 Na5 16.Qa4 Rac8 17.Rfc1 Nc4 Exerts pressure on the isolated pawn (17...Qf7 18.Ne2+=) 18.Bc4 (better is 18.Nd5 Bd5 19.Bc4 (19.Rc4?! Bc4 20.Bc4 Kh8=) 19...Bc4 20.Rc4+/–) 18...Rc4= 19.Qb3 Rfc8 20.Ne2 (20.Rc2 Qc7 21.Nb5 Qd7 22.Rc4 dc4=) 20...Bf7 21.g3? (better is 21.Rc4 dc4 22.Qb5=) 21...Bh5–+ 22.Nd2 Be2 23.Nc4 dc4 24.Qb4 Qb4 25.Rb4 c3 26.Rb3 c2 27.Rb2 Bd3 28.f3 Re8 29.Kf2 Rc8 30.Rb3 Ba6–/+ 31.Rb2 Bd3 32.Rb3+= Ba6 33.Rb2 Rc3 34.Rbc2 Ra3–/+ 35.Rc7 Bd3 36.Rd7 a5?? 37.Rc8 (37.Rc8 Bd8 38.Rcd8#) 1–0. bluepiramid2 (1710) – luckycheck, kurnik, 2012. (=1.e3 f5 2.b4)

3.Bb2 d6 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5).

3.Bb2 e4 4.d4 Bb4 5.c3 Be7 6.Qh5 g6 7.Qe2 Nf6 8.Nd2 0–0 9.0–0–0 c5 10.dc5–/+ Na6 11.h4 Nc5–+ 12.h5 Nd3 13.Kb1 Nb2 14.Kb2–/+ Nh5 15.Rh5 gh5 16.Qh5 d5 17.Ka1 Bh4 18.Nh3 Bf6 19.Rc1 Qc7 20.Nb1 Rd8 21.Ng5 Qe7 22.f4 ef3 23.Nf3 Qe3 24.Rc2 Rb8 25.Qh2 f4 26.Be2 Bf5 27.a4 Bc2 28.g3 Qc1 29.Qg1 Bc3 30.Ka2 Qb2# 0–1. Knight – Master1, mySchach.de, 2004.

3.Bc4 Bb4?! 4.Bg8 d5 5.Bb2 =.

3.Bc4 d5 4.Bb5 c6 5.Ba4 Bb4 6.Qh5 g6 7.Qe2 Nd7 8.c3 Bd6 9.d3 Ngf6 10.Nf3 e4 11.de4 fe4 12.Nfd2 0–0 13.c4? (13.Bc2–+) 13...Be5 (14.cd5 Ba1 15.dc6 Ne5–+) 0–1. Stiller – JanP (2510), ChessWorld.net, 2003.

2.e3 e6

3.c3 Nf6 4.Nf3 =.

3.c3 g6 4.d4 d6 5.Nd2 Nf6 6.Bd3 e5 7.h3 e4 8.Be2 Be6 9.g4 h6 10.c4 d5 11.cd5 Bd5 12.gf5 gf5 13.Bh5 Bf7 14.Bf7=+ Kf7 15.Ne2 Nc6 16.a3 Bd6 17.b5 Ne7 18.Nc4 Nd7 19.Nc3 Nb6 20.Na5 Rb8= 21.Rg1 Kf6 22.Qh5 Qe8= 23.Qh4 Ke6 24.Ne4 =. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

3.Bc4 Bb4 4.c3 Bd6 5.d4 Qg5 6.Qf3 c6 7.Nh3 Qg4 8.Be2 Qf3 9.Bf3 Nf6 10.Be2 Be7 11.Nf4 d5 12.Nd2 h6 13.Ng6= Rg8 14.Ne5 Bd6 15.Ndf3 Be5 16.Ne5 (16...Nbd7 17.Nf3=+). dugmak – gengar, ChessWorld.net, 2005.

2.e3 Nf6

3.Bb2 e6 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6).

3.Bb2 e6 4.b5 b6 5.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3).

3.Bb2 e6 4.b5 Be7 5.c4 0–0 6.d4 d6 7.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3 d6 7.d4).

3.Bc4 d5=+ 4.Bb5 c6 5.Ba4 b5 6.Bb3 e6 7.a3 Bd6 8.Bb2 0–0 9.h3 a6 10.Qf3 Qe8 11.d3 Qf7 12.Nd2 e5 13.e4 de4?? 14.Bf7+– Rf7 15.de4 f4 16.Qd3 Be6 17.Qd6 Bd7 18.Qe5 Re7 19.Qe7 a5 20.Bf6 gf6 21.ba5 (21...c5 22.Ndf3+–) 1–0. mickster the king – gengar, ChessWorld.net, 2005.

3.Nf3 b6 4.c4 e6 5.a3 Bb7 6.Bb2 Be7 7.Be2 0–0 8.0–0 c5 9.bc5 bc5 10.Nc3 Nc6 11.d4 cd4 12.ed4 Na5 13.d5 Bd6 14.Nb5 Bc5 15.de6 de6 16.Be5 Qe7 17.Bd6 Bd6 18.Qd6 Qd6 19.Nd6 Ne4 20.Ne4 Be4 21.Ng5 Rac8 Attacks the isolani on c4 22.Rfe1 Nb3 23.Rad1 Nc5 24.Rd6 Rfd8 25.Red1 Rd6 26.Rd6 e5 27.Ne4 Ne4 28.Rd7 Nc3 29.Bf1 a5 30.f3 e4 31.Kf2 Nb1 32.fe4 fe4 33.Rd1 Na3 34.Rc1 Nb5 35.Ke3 Nd6 36.c5 Kf7 37.Ba6 Rc6 38.Be2 Nb7 Exerts pressure on the isolated pawn 39.Kd4 Ke7 40.Kd5 Rf6 41.Rc4 Rf5 42.Kc6 Nd8 43.Kb6 Rf6 44.Ka5 Nc6 45.Kb5 Na7 46.Kb4 Nc6= 47.Kc3 Re6 48.Kd2 Re5 49.Ke3 Attacking the isolated pawn on e4 49...Ke6 50.Rc1 Rg5 ˝–˝. Hoch,Hubertus (2320) – Niedermaier,Thomas (2265), RSLE–2009, 2009.

3.Nf3 e6 4.a3 a5 =.

3.Nf3 e6 4.a3 d5 5.d4 Bd6 6.Bd3 0–0 7.0–0 c6 8.c4 Nbd7 9.c5 Bc7 10.Bb2 Ne4 11.Nbd2 Ndf6 12.Ne5 Qe8 13.f3 Ng5 14.Qe1 Qh5 15.Qg3 Nd7 16.Be2 Qh6 17.f4 Ne4 18.Ne4 fe4 19.Bg4 Nf6 20.Be2 a5 21.h3 Nd7 22.Kh2 Nf6 23.Bc3 a4 24.Rac1 Nd7 25.Rf2 Ne5 26.fe5+/– Rf2 27.Qf2 Bd7 28.Rf1 Qg6 29.Be1 h6 30.Qf4 Kh7? (better is 30...Rb8+/–) ˝–˝. alaamattar (2170) – bigsteve (2090), net–chess.com, 2006.

3.Nf3 e6 4.b5 d6 5.Be2 =.

3.Nf3 e6 4.b5 Bd6 5.Bb2 0–0 6.c4 a6 7.Nc3 b6 8.h4 Bb7=+ 9.Ng5 h6 10.Nh3 Qe7 11.a3 ab5 12.Nb5=+ Bc6 13.Nd6= Qd6 14.d4 Qe7 15.Nf4 Qf7 16.Be2 g6 17.h5 g5 18.Ng6 Re8 19.Ne5 Qe7 20.d5 ed5= 21.cd5 Nd5 22.Qd4 Qc5?? 23.Nc6+– Qd4 24.Nd4 Na6 25.Nf5 Kh7 26.Rd1 c6 27.0–0 Nb8 28.Ng7 Re7 29.Bd3 Kg8 30.Nf5 Re6 31.e4 Nf4 32.Bc4 d5 33.ed5 Re4 34.Rd4 Ne2 35.Be2 Re2 36.Bc1 c5 37.Rdd1 Kh7 38.Rfe1 Re1 39.Re1 Ra7 40.Re6 b5 41.Rh6 Kg8 42.Bb2 Na6 43.Rh8 Kf7 44.Rh7 Ke8+– 45.Ra7 b4 46.h6 ba3 47.h7 (47...Nc7 48.h8Q Kd7 49.Qb8 ab2 50.Rc7; 47.Nd6 Kf8 48.Rf7 Kg8 49.h7) 1–0. Schweitzer,Paul (1880) – Volf,Rudolf (1720), Seefeld op, 1993.

3.Nf3 g6 4.Bc4 Bg7 5.Ng5?? e6 6.0–0?? Bh6?? 7.h4 Nc6 8.Nf3 b6 9.Re1 Bb7 10.d3 d5 11.Bb5 Qd6 12.d4 0–0–0 13.Bc6 Bc6 14.Ne5 Ng4 15.Nf7?? Qf8 16.Nh8 Qh8 17.Nc3 Re8 18.b5 Bd7 19.f3 Nf6 20.g4 fg4+/– 21.e4 Bc1= 22.Qc1 h6?? 23.a4 gf3=+ 24.e5 Ng4 25.a5?? f2–+ 26.Kg2 fe1Q 27.Qe1 Rf8 28.ab6 Kb7 29.bc7?? Ra8 30.Na4 Bb5 31.Nc5 Kb6 32.Na4?? Kc6 33.Qc3 Bc4 34.Nc5 Kc7–+ 35.Qa5 Kc8 36.Ne6 Qh7?? (37.Qd8 Kb7 38.Rb1 Bb3 39.Rb3 Kc6 40.Qd6; 36...Kd7 37.Nc5 Ke8 38.Qa4 Kf8–+) 0–1. MC Q – halo2, ChessWorld.net, 2005.

2.e4 fe4

3.Bb2 Nf6 4.a3 a5 +=.

3.Bb2 Nf6 4.d3 ed3 5.Bd3 d6 (5...e5 6.a3 d6 7.Qe2–/+) 6.Nf3 (6.Bf6 ef6 7.Qh5 Ke7+=) 6...e5–/+ 7.Ng5 h6?? (better is 7...d5 8.Be5 Bb4 9.c3 Nc6–/+) 8.Bg6+– (8.Bg6 Ke7 9.Nf7+–) 1–0. Leisebein,Peter – Hasler,Ulrich, corr SOK–89–35, 1989.

3.Bb2 Nf6 4.Ne2 e6 5.Ng3 Be7 6.h4 (6.Nc3!? d5 7.b5–/+) 6...0–0–+ 7.h5 h6 8.c4 (8.Nc3 d5–+) 8...d5 9.Nc3 c6 (9...Bb4!? 10.Be2–+) 10.Be2 Bd7 (10...Bb4 11.Qb3 Qb6 12.0–0–+) 11.cd5 ed5 12.Rb1 (12.0–0 Na6 13.Qb3 Rf7–/+) 12...Be6 13.Qb3 (13.0–0 Bb4 14.Qb3 Qe7–+) 13...Qd7 14.Nd1 (14.b5!?–/+) 14...b5 15.Bd4 Na6 (15...a5!? 16.ba5 Ra5 17.0–0–+) 16.a3–/+ Nc7 17.Ne3 a5 18.Rh4? (18.Qc3!? ab4 19.ab4–/+) 18...a4 (18...ab4!? 19.ab4 Nh7 20.Rh1–+) 19.Qd1 Bd6 20.Nh1? (20.Qc2 Na6–+) 20...Rf7 (better is 20...Qe7!? 21.Ng3 Nd7 22.Rh1–+) 21.Rc1 Na6 (better is 21...Nfe8–+) 22.Ng4? (better is 22.Kf1–+) 22...Ng4 23.Bg4 Raf8 (better is 23...Nc7!? 24.Bc5–+) 24.Be6 Qe6 25.Rc6 Nb8 26.Rb6 Nd7 27.Rb5 Ne5 28.Be5 Be5 29.Qg4 Qa6 30.Rd5= Bf6 31.Rh3 Qc4 32.Rc5 Qd4 33.Rc8 Bg5 34.Rf8 Rf8 35.Qe6? Kh8–+ 36.Qa2 Rd8?? 37.Kf1 Qe5 38.Rc3 Bd2–+ 39.Rc5 Qd4 40.Ng3?? Bb4!–+ 41.Rc1 Bc5 42.Nf5? Qd3–+ 43.Kg1 Qa3 44.Ra1?? Rd1!–+ 45.Kh2 Ra1 46.Qf7 Bf8 47.Nh4 Bd6 48.g3 Qa2 49.Qe8 Qg8 50.Qe4 a3 51.Ng6+– ˝–˝. Wilson,Peter – London,Shane (1680), Sydney AUS, Australian Open, 2013.

3.Nc3 e6 4.Ne4= Bb4 5.Qh5 g6?? (better is 5...Kf8=) 6.Qe5+– Nf6 7.Nf6 (7.Qf6?! Rf8 8.Qd8 Kd8+–) 7...Kf7 8.Ng4 Bd6 (8...Qf8 9.Bb2 Rg8 10.Qf4 Ke8 11.Qc7 Nc6 12.Nf6 Kf7+–) 9.Nh6 Kf8 (9...Ke8 10.Qh8 Bf8 11.Qh7 Qf6+–) 10.Qh8 Ke7 11.Qg7 Ke8 12.Qf7# 1–0. usingprogram (1975) – eddiev, kurnik, 2012.

3.Nc3 Nf6 4.d3 e5 5.a3 a5 6.b5 d5 (6...ed3!? 7.Bd3 d5–/+) 7.de4= d4 8.Na4 (8.Nd5 c6 (8...Ne4?? 9.Qh5 Kd7 10.Qe5+–; worse is 8...Nd5 9.Qh5 Kd7 10.ed5+=) 9.Nf6 Qf6 10.Qh5 g6=) 8...Nbd7 (8...Bd6 9.Bd3+=) 9.Nf3 (9.c3 Ne4 10.Bd3 Nef6 11.cd4 Bd6=) 9...Qe7 (9...Ne4 10.Qe2 Ndf6 11.Ne5+=) 10.Bd3= Nc5 11.Nc5 Qc5 12.0–0 Bd6 (12...Bd7 13.Qe2=) 13.Bd2 Bg4 14.c3 Nd7 (14...0–0 15.Qb3 Kh8 16.cd4 ed4 17.Ng5+=) 15.h3 Bf3 (15...Bh5 16.Re1=) 16.Qf3+/– 0–0–0 (16...Nf6 17.Rfc1+/–) 17.Qg3 g6 (17...dc3?? 18.Be3 Qa3 19.Ra3 Ba3 20.Bc4+–) 18.Rfe1 (18.Rfc1 Qb6+/–) 18...Kb8+= 19.a4 Rhf8 20.cd4 ed4 21.f4 Qb6 22.e5 Be7 23.Rec1 Nc5 24.Rc4 Rd5 25.Rac1 Nb3 26.Rd1 Rc5 27.Be1 Rc4 28.Bc4 Nc5 29.Bf2 Ne4 30.Qf3 Nf2 31.Qf2 g5 32.f5 Qc5 33.Bd3 Qe5 34.Qe1 Bd6 35.Qe5 Be5 36.Re1 Bf4 37.Re7 h5 38.Kf2 Kc8 39.g3 Bd6 40.Rh7 h4 41.gh4+= gh4 42.Rh4 Be5 43.Kf3 Kd7 44.Rh7 Kd6 45.Ke4 Rh8 46.Rh8 Bh8 47.h4 Be5 48.h5 Bg7 49.Bb1 c6 50.Bd3 cb5 51.Bb5 Ke7 52.Bd3 Kd6 53.f6 Bf6+= 54.h6 Be5 55.h7 Bh8 56.Kf4 Kc5= 57.Bb5 Kb4 58.Ke4 Kc3 59.Bd3 Kb4 60.Bc2 Kc3 61.Bd1 Kb4 62.Kd3 b5 63.ab5 Kb5 64.Bb3 Kb4 65.Be6 a4 66.Kc2 Bf6 67.Bd7 Bh8 68.Be6 Bg7 69.Kd3 Bh8 70.Kc2= ˝–˝. pierre – greenp, internet, 2012.

2.Nf3 a5

3.b5 c5 4.g3 Nf6 5.Bg2 g6 6.Ba3 b6 7.c3 Qc7 8.d4 Bg7 9.0–0 0–0 10.Nbd2 d5 11.c4 Bb7 12.Rc1 Nbd7 13.Ng5 Qd6 14.cd5 Nd5?? (better is 14...Bd5 15.dc5 Nc5 16.Bd5 Qd5+=) 15.dc5+– Nc5 16.Nc4 Qd7 17.Bc5?? (better is 17.Bd5 Qd5 18.Qd5 Bd5 19.Nb6+–) 17...bc5+/– 18.Nb6! Nb6 19.Qd7 Nd7 20.Bb7 Ra7 21.Bd5 Kh8 22.e3 h6 23.Ne6 Rc8 24.Rfd1 Nb6 25.Nf4 g5 (better is 25...Nd5!? 26.Rd5 g5+/–) 26.Be6+– (26.Be6 Bb2 27.Rc2+–) 1–0. Gutman,Lev (2450) – Merenyi,Gabor (2115), Wiesbaden op, 1996. (=1.Nf3 f5 2.b4 a5)

3.b5 c6 4.a4 Nf6 5.e3 d5 6.c4 Qc7 7.Bb2 Nbd7 8.d4 g6 9.Nbd2 Bg7 10.Rc1 0–0 11.c5 Ne4 12.b6 Qd8 13.Be2 (better is 13.Qc2+=) 13...Ndc5!–/+ 14.dc5 (14.Rc5 Nc5 Combination; 14.dc5 Bb2 Pinning (14...Bb2 Deflection)) 14...Bb2 15.Rb1 Nc3 16.Qc2 Nb1 17.Qb2 Nd2 18.Qd2 e6 19.Nd4 (better is 19.Qd4!?–/+) 19...e5–+ 20.Nb3? (20.Nf3 f4 21.Ne5–+) 20...Qh4 21.Qa2 Qb4 22.Nd2 0–1. Oelrichs,Manfred – Gruebling,Karl Heinz, Pinneberg–ch op, 1991. (=1.Nf3 f5 2.b4 a5)

3.b5 d6 4.Bb2 Nd7 5.e3 Ngf6 6.d4 e6 7.Bd3 c5 8.Nbd2 Qc7 9.Ng5 Ke7 10.Qe2 h6 11.Ngf3 Nb6 12.dc5 Qc5 13.0–0 Na4 14.Bd4 Qc7 15.e4 fe4 16.Ne4 e5 17.Nd6! Qd6 (17...Qd6 18.Be5 Decoy; 17...Kd6 18.Be5 Double attack) 18.Ne5 Be6? (better is 18...Rg8 19.Nc6 Kf7 20.Bc4 Be6+–) 19.Ng6 Kd7 20.Be5 (20.Nh8 Ng4 21.g3 Qd4+–) 20...Qe5 (20...Nc3 21.Qe1 Qb6+–) 21.Ne5 (21.Nh8 Bd6 22.Qe5 Be5–/+) 21...Kc7 22.Ng6 Re8 (22...Bg4 23.Qe5 Bd6 24.b6 Nb6 25.Qc3 Kb8 26.Nh8+–) 23.Nh8 Bd6 24.Bg6 Nc3 (24...Re7 25.Qd2 b6 26.Rfe1+–) 25.Qd3 Ncd5 26.Be8 Ne8 27.Rfe1 Nf4 28.Qc3 Kb8 29.Qa5 Nc7 30.Rad1 Be7 31.b6 (31.b6 Ne2 32.Re2 Nb5 33.Qb5 Bg4 34.Qe5 Ka8 35.Qa5 Kb8 36.Qa7 Kc8 37.Qa8) 1–0. Poley,Vladimir (2330) – Berg,Bo, Osterskars op SWE, 1995. (=1.Nf3 f5 2.b4 a5)

2.Nf3 c6

3.a3 Nf6 4.Bb2 d6 5.Nc3 e5 6.d4 (6.e3 Be7=) 6...e4+= 7.e3? (better is 7.Nd2+=) 7...ef3–+ 8.Qf3 Be7 (8...d5 9.Bd3–+) 9.Bd3 0–0 10.e4 (better is 10.d5–+) 10...fe4 11.Ne4 Ng4 12.Qe2 d5 13.f3 Nf6 (better is 13...de4 14.Bc4 Kh8 15.fg4 b5–+) 14.0–0–0?? (14.Nf6 Bf6 15.0–0–+) 14...de4 15.fe4 (15.Be4 Ne4 16.fe4 b5–+) 15...Bg4 16.Qd2 (16.Qe3 Bd1 17.Rd1 a5–+) 16...Bd1 (better is 16...Ne4!? 17.Qe1 Nf2 18.Be2 Nh1 19.Bg4–+) 17.Qd1 Nbd7 (17...a5 18.c3–+) 18.h3 (18.e5 Nd5–+) 18...Qc7 (better is 18...a5!? 19.c3–+) 19.Re1 b6 (19...a5 20.e5 Ne8 21.Qg4–+) 20.Qf3 (20.e5 Ne8–+) 20...c5 (20...a5 21.e5 ab4 22.ef6 Nf6 23.ab4 Bb4 24.Re6–+) 21.dc5 (21.bc5 Ne8 22.Qg4 bc5 23.Qe6 Rf7–+) 21...bc5 (better is 21...Ne5 22.Qg3 Nd3 23.Qd3 bc5 24.Qc4 Kh8 25.e5–+) 22.Bc3 (22.e5 cb4 23.ef6 Bf6 24.Qe4 Bb2 25.Kb2 ba3 26.Ka2–+) 22...cb4 23.Bb4 Bb4 24.ab4 Nd5! 25.ed5 Rf3 26.gf3 Ne5 27.Re5 (27.Re3 Nd3 28.Rd3 Qf4 29.Kb2 Qb4 30.Rb3 Qd4 31.c3 Qd5–+) 27...Qe5 28.Be4 Rc8 29.Bh7 Kh7 30.c4 Rc4 (30...Rc4 31.Kd2 Qf4 32.Ke2 Rc2 33.Kd3 Qc4 34.Ke3 Re2; 30...Qc3 31.Kb1 Qb3 32.Kc1 Rc4 33.Kd2 Rc2 34.Ke1 Qb1) 0–1. jmcauley (1800) – pumpkin (2455), net–chess.com, 2013. (=1.Nf3 f5 2.b4 c6)

3.Bb2 Qb6 4.a3 a5 5.c4 ab4 6.c5 Qc7 (6...Qc5 7.ab4 Decoy) 7.ab4 Ra1 8.Ba1 d6 9.e3 Nh6 10.cd6 ed6 (10...Qd6? 11.Be5 Qb4 12.Bb8+–) 11.Be2 d5 12.Be5 Bd6 13.Bd6 Qd6 14.Qb3 b5 15.Na3 0–0 16.Nc2 Kh8 17.Qc3 Re8 18.0–0 Nf7 19.Ra1 Bb7 20.Nfd4 Qd7 21.Bh5 Kg8 22.Bf7 Qf7 23.Ra7 g6 24.Ne1 Re7 25.Nd3 Qe8 26.f4 (26.Nc5 Qf7+–) 26...Qd8 27.Ne5 Qb6 28.Ra1 Rc7? (better is 28...Na6!?+/–) 29.Ne6+– Re7?! (29...d4 30.Qb3 Re7 31.Nd4 Kh8 32.Nf7 Kg7 33.Nd6+–) 30.Qc5 (30.Ng6!? hg6 31.Qf6 Re6 32.Qe6 Kf8 33.Qd6 Ke8 34.Qb8 Kd7+–) 30...Qc5 31.Nc5 (31.bc5? Re6 32.Kf1 Na6–+) 1–0. Boersma,Paulus A (2390) – Perez Garcia,Hebert (2230), Groningen op, 1989. (=1.Nf3 f5 2.b4)

3.c4 e6 4.Qb3 =.

3.c4 Nf6 4.Bb2 d6 5.g3 (5.d4 Be6 6.Qd3 Qb6+=) 5...e5 6.d3 (6.Qa4 Be6 7.e3 e4+=) 6...e4 (6...a5 7.ba5 Ra5 8.a3=) 7.Nfd2 (7.Nd4 Be7=) 7...d5 (7...a5 8.de4 fe4 9.ba5 Qa5 10.Qb3=) 8.b5 (8.a3 ed3 9.ed3 Qe7 10.Be2 dc4 11.Nc4 Kf7+/–) 8...Bc5 (8...dc4 9.dc4 cb5 10.cb5+=) 9.Nb3 (9.d4 Be7 10.e3 cb5 11.cb5 h5=) 9...Bb6 (9...Bf2!? 10.Kf2 dc4 11.Bf6 gf6+=) 10.cd5 cd5 (10...Qd5 11.Nc3 Qe6 12.bc6 Qc6 13.d4+=) 11.de4 (11.e3!?+=) 11...fe4= 12.e3 0–0 13.Bg2?? (13.Be2 Kh8=) 13...a6?? (better is 13...Ng4 14.0–0 Nf2 15.Rf2 Be3–/+) 14.0–0 ab5 15.Nc3 (15.Bf6!? Rf6 16.Nc3=) 15...b4 16.Nb5 (16.Ne2 Bc7–/+) 16...Nc6 (16...Ng4 17.Qe1–/+) 17.Qd2 Ng4 18.N3d4 (18.Bd4 Bd4 (18...Nd4?! 19.N5d4 Ne5 20.Qb4+=) 19.N3d4 Nge5–+) 18...Qg5 (18...Nce5 19.Rab1–+) 19.h4 (19.Nc2–/+) 19...Qh5 (19...Qd8 20.a3 Nd4 21.Bd4 Bd4 22.Qd4 ba3 23.Ra3 Ra3 24.Na3 Qa5–/+) 20.f3?? (better is 20.Nd6+=) 20...ef3–+ 21.Bf3 Bd7?? (21...Qe5!? 22.Nc2 Be3 23.Ne3 Qe3 24.Qe3 Ne3 25.Rf2–+) 22.Qg2? Nce5 23.Bd5–/+ Kh8 24.Qe2?? Nd3!–+ 25.Be6? Bb5 26.Bg4? Qg6 27.Nb5= Nb2 28.Rab1? Rf1–+ 29.Rf1 h5 30.Qb2 Qg4?? 31.Qe5–/+ Be3 (31...Be3 32.Qe3 Qg6+–) 0–1. Hamornik,Jozef (2105) – Hlas,Jan (2185), SVK–chT3A, 2002. (=1.Nf3 f5 2.b4 c6)

3.c4 Nf6 4.d4 e5 5.Bd2 e4 =.

3.c4 Nf6 4.d4 e6 5.a3 d5 6.c5 Be7 7.Bf4 0–0 8.e3 Bd7 9.Be2 Be8 10.0–0 h6 11.Nfd2 Nbd7 12.Nc3 g5 13.Bg3 Kh7 14.Nb3 a6 15.a4 Rg8 16.Re1 Nf8 17.Na5 Ra7 18.Nb3 Ng6 (18...Ra8 19.Ra2 Bg6+/–) 19.h3 Nf8 20.b5 Ra8 21.ba6 ba6 22.Rb1 h5 23.Nc1 h4 24.Be5 N8d7 25.Nd3 Ra7 26.Bh2 a5 27.f3 Bg6 28.Qd2 Bf8 29.Rb3 Bh6 30.Bd1 Qa8 31.Kh1 Qe8 32.Qf2 Nh5 33.Bc2 Bg7 34.Ne2 Bf6 35.Kg1 Kh8 36.Bd6 Bh7 37.Ne5 Ne5 38.de5 Bd8 39.Bb1 g4 40.hg4 fg4 41.f4 Bb1 42.Reb1 Rh7 43.e4 de4 44.f5 g3 45.Qf1 ef5 46.Qf5 Ng7 47.Qe4 Ne6 48.Rf1 h3 49.Rg3 hg2 50.Rf5 Rh4 51.Qg2 Rg3 52.Qg3 Ra4 53.Nf4 ˝–˝. Bendig,Frank (2365) – White,Kevin (2350), IECG, 2004. (=1.Nf3 f5 2.b4)

3.e3 e6 4.Ba3 Qf6 =.

2.Nf3 d5

3.a3 a5 4.ba5 Nf6 5.d4 e6 6.c4 Be7 7.e3 0–0 8.Bd3 c5 9.0–0 Nc6 =.

3.a3 a5 4.Bb2 ab4 5.ab4 Ra1 6.Ba1 Nf6 7.e3 e6 8.b5 Bd6 9.Be5 Be5 =.

3.a3 a5 4.b5 Nf6 5.d4 e6 6.Bf4 Bd6 7.e3 0–0 8.Bd6 cd6 9.Bd3 Qc7 =.

3.a3 a6 4.Bb2 Nf6 5.e3 e6 6.Be2 Bd6 7.0–0 Nbd7 8.d4 0–0 9.c4 dc4 =.

3.a3 a6 4.d4 Nf6 5.Bf4 Nh5 6.Be5 Nc6 7.e3 Nf6 8.Bd3 Ne5 9.Ne5 e6 +=.

3.a3 a6 4.e3 Nf6 5.d4 e6 6.c4 Be7 7.Bd3 dc4 8.Bc4 b5 9.Bb3 a5 +=.

3.a3 Nc6 4.Bb2 Nf6 5.e3 e6 6.b5 Nb8 7.Be2 Bd6 8.c4 a6 9.Nc3 0–0 =.

3.a3 Nc6 4.b5 Na5 5.e3 Nf6 6.Ne5 e6 7.Be2 Bd6 8.Bb2 a6 9.Bh5 g6 =.

3.a3 Nc6 4.d4 Nf6 5.Bf4 Nh5 6.e3 Nf4 7.ef4 Qd6 8.Ne5 Ne5 9.fe5 Qb6 +=.

3.a3 Nc6 4.e3 Nf6 5.Bb2 e6 6.b5 Nb8 7.Be2 Bd6 8.Be5 a6 9.d4 0–0 =.

3.a3 Qd6 4.Bb2 Nd7 5.d4 Ngf6 6.e3 Nb6 7.Ne5 a5 8.ba5 Ra5 9.Bc3 Ra8 +=.

3.a3 Qd6 4.d4 Nf6 5.e3 Nbd7 6.Bb2 g6 7.c4 Bg7 8.Nc3 c6 9.Rc1 0–0 +=.

3.a3 Qd6 4.e3 e5 5.Bb2 Nd7 6.c4 Ngf6 7.Nc3 c6 8.cd5 Nd5 9.Nd5 Qd5 +=.

3.a3 Nd7 4.Bb2 a5 5.e3 ab4 6.ab4 Ra1 7.Ba1 Ngf6 8.Be2 e5 9.Ne5 Bb4 =.

3.a3 Nd7 4.Nc3 Ngf6 5.d4 e6 6.Bf4 Bd6 7.Bd6 cd6 8.e3 Ne4 9.Na2 Nb6 =.

3.a3 Nd7 4.d4 Ngf6 5.Bf4 Nh5 6.Be5 a5 7.b5 Ne5 8.Ne5 Nf6 9.e3 e6 +=.

3.a3 e6 4.Bb2 Nf6 5.e3 c5 6.bc5 Bc5 7.Be5 Nc6 8.d4 Qa5 9.Qd2 Bb4 =.

3.a3 e6 4.Nc3 a5 5.Bb2 Nf6 6.ba5 Ra5 7.e3 Bd7 8.Be2 Bd6 9.a4 c6 =.

3.a3 e6 4.d4 Bd6 5.Bg5 Nf6 6.e3 0–0 7.c4 h6 8.Bf6 Qf6 9.c5 Be7 =.

3.a3 e6 4.e3 a5 5.b5 Nf6 6.d4 c5 7.bc6 Nc6 8.c4 Be7 9.Bd3 0–0 =.

3.a3 Nf6 4.Bb2 a5 5.e3 ab4 6.ab4 Ra1 7.Ba1 e6 8.b5 Nbd7 9.Be2 Bd6 =.

3.a3 Nf6 4.d4 e6 5.Bf4 Bd6 6.Bd6 cd6 7.e3 Qc7 8.Nbd2 Ne4 (8...Qc3 9.Ra2=) 9.c4+= 0–0 10.cd5 Qc3 (10...ed5 11.Rc1 Qe7 12.Be2–/+) 11.Bc4 Kh8? (Better is 11...Nd2 12.Nd2 e5 13.de5 Qe5+–) 12.de6+– Rf6 (12...Re8 13.Qc1 a5 14.Qc3 Nc3 15.b5+–) 13.Qc1 Be6 14.Be6 Re6 15.Qc3 Nc3 16.Rc1 Nd7 17.Rc3 Nf6 18.Rc7 Ne4 19.Ne4 fe4 20.Ng5 Rg6 21.Ne4 d5 22.Nc5 b6 23.Na4 a5 24.ba5 Ra5 25.Rc8 1–0. b4_player (2155) – fub (1785), GameColony.com, 2002.

3.a3 Nf6 4.d4 e6 5.Bf4 Bd6 6.e3 Bf4 7.ef4 0–0 8.Ne5 a5 9.b5 Ne4 +=.

3.a3 Nf6 4.e3 e6 5.d4 Nbd7 6.c4 Ne4 7.Bd3 dc4 8.Bc4 Nb6 9.Bd3 a5 +=.

3.Ba3 a5 4.ba5 Nc6 5.Bb2 Nf6 6.e3 e6 7.Bb5 Bd7 8.Ng5 Ra5 9.Bc6 bc6 =.

3.Ba3 a5 4.b5 Nd7 5.d4 Ngf6 6.e3 g6 7.c4 Bh6 8.Nc3 f4 9.ef4 dc4 –/+.

3.Ba3 a5 4.e3 Nf6 5.b5 Bd7 6.Nc3 g6 7.Be2 Bg7 8.d4 0–0 9.0–0 Bc8 +=.

3.Ba3 a6 4.e3 e6 5.d4 Bd6 6.Be2 Qe7 7.0–0 Nf6 8.c4 dc4 9.Ne5 b5 =+.

3.Ba3 a6 4.Bb2 Nf6 5.a3 e6 6.e3 Bd6 7.Be2 Nc6 8.d4 0–0 9.0–0 Ne4 =.

3.Ba3 Nc6 4.b5 Nb8 5.e3 a6 6.Ne5 Nf6 7.ba6 Na6 8.d4 Ng4 9.Ng4 fg4 +=.

3.Ba3 Nc6 4.d4 a6 5.e3 Nf6 6.b5 ab5 7.Bb5 Bd7 8.0–0 Ra5 9.c4 dc4 +=.

3.Ba3 Nc6 4.e3 e5 5.Bb5 Bd6 6.d4 e4 7.Ne5 Qg5 8.0–0 Nge7 9.Qd2 0–0 =+.

3.Ba3 Qd6 4.b5 Qb6 5.e3 Nf6 6.Bb2 Nbd7 7.Be2 a6 8.a4 Qd6 9.Ba3 Qb6 +=.

3.Ba3 Qd6 4.d4 Qb6 5.e3 e6 6.c3 Nf6 7.Be2 Bd7 8.Nbd2 Ne4 9.Qc2 Na6 =.

3.Ba3 Qd6 4.e3 Nf6 5.b5 Qb6 6.Be2 Nbd7 7.d4 c6 8.Qd3 cb5 9.Qb5 Qb5 +=.

3.Ba3 Bd7 4.d4 Nf6 5.e3 e6 6.c4 a6 7.Nc3 dc4 8.Bc4 b5 9.Bd3 a5 =.

3.Ba3 Bd7 4.e3 e6 5.d4 Nf6 6.c4 a6 7.Nc3 dc4 8.Bc4 b5 9.Bd3 a5 =.

3.Ba3 Nd7 4.d4 Ngf6 5.e3 g6 6.Bd3 Bg7 7.0–0 Nb6 8.Nbd2 Ne4 9.c4 Nd2 +=.

3.Ba3 e6 4.d4 Bd6 5.e3 Qe7 6.c3 Nf6 7.Bd3 Bd7 8.0–0 0–0 9.Bb2 a5 =.

3.Ba3 e6 4.e3 Bd6 5.c4 Nf6 6.d4 c6 7.c5 Bc7 8.Bd3 0–0 9.0–0 Ne4 =.

3.Ba3 f4 4.Bb2 Nf6 5.Be5 e6 6.c3 Bd6 7.g3 fg3 8.hg3 Be5 9.Ne5 Qd6 =.

3.Ba3 f4 4.b5 Nf6 5.Bc1 Qd6 6.d4 Nbd7 7.Qd2 e5 8.de5 Ne5 9.Qf4 Nf3 =.

3.Ba3 f4 4.e3 fe3 5.de3 e6 6.c4 Be7 7.Nc3 Nf6 8.Qa4 c6 9.b5 c5 =.

3.Ba3 f4 4.g3 fg3 5.hg3 Nf6 6.Bg2 Bf5 7.Nh4 e6 8.Nf5 ef5 9.c4 c6 +=.

3.Ba3 Nf6 4.d4 e6 5.e3 Ne4 6.c4 Nd7 7.Qb3 a5 8.b5 a4 9.Qb2 Ba3 +=.

3.Ba3 Nf6 4.e3 Nbd7 5.d4 e6 6.Bd3 Ne4 7.0–0 Bd6 8.b5 0–0 9.Bd6 cd6 =.

3.b5 g6 4.Bb2 Nf6 5.e3 Be6 6.Be2 c5 7.c4 (7.d4 c4 8.0–0 Bg7=) 7...dc4 8.Qc2 Bh6 (8...Bd5 9.Bc4 Bf3 10.gf3=) 9.Bc4 Nd5?? (better is 9...Bc4 10.Qc4 Nbd7+=) 10.Bh8+– Kd7 (10...Nb4 11.Qc3 Bc4 12.Qc4+–) 11.Be5 Nb4 12.Qb3 Qb6 (12...Bc4 13.Qc4 Ke8 14.d4+–) 13.0–0 (13.a3 Bc4 14.Qc4 Qe6 15.Qe6 Ke6 16.ab4 Nd7+–) 13...f4 (13...Bc4 14.Qc4 a6 15.ba6 Qa6 16.Qc5+–) 14.Nc3 a6 (14...Bg4+–) 15.Na4 Qa5 16.Be6 (16.Be6 Ke8 17.Bf7 Kf8 18.Nc5+–) 1–0. Baumann,Heinz (2355) – Heinrich,Constanze (2000), remoteschach.de, 2003.

3.c3 a5 4.Qa4 Bd7 5.b5 e6 6.e3 Nf6 7.Ba3 c5 8.d4 c4 9.Bf8 Rf8 +=.

3.c3 a5 4.ba5 Nf6 5.d4 c5 6.Bf4 Qa5 7.e3 Nc6 8.Ne5 e6 9.Be2 Ne5 =.

3.c3 a5 4.b5 Nf6 5.d4 e6 6.Bf4 Bd6 7.e3 Bf4 8.ef4 0–0 9.Ne5 c6 =.

3.c3 a5 4.d4 ab4 5.cb4 e6 6.Bd2 Nf6 7.a3 Ne4 8.e3 Bd6 9.Bd3 0–0 =.

3.c3 a6 4.d3 Qd6 5.d4 Nd7 6.Qd3 e6 7.a3 a5 8.b5 c5 9.bc6 Qc6 =.

3.c3 a6 4.d4 Nf6 5.Bf4 h6 6.e3 g5 7.Bg3 Nc6 8.Bd3 e6 9.0–0 Bd6 +=.

3.c3 a6 4.e3 Nf6 5.d4 e6 6.Be2 Bd6 7.0–0 Nbd7 8.Qb3 Qe7 9.c4 dc4 =.

3.c3 Qd6 4.d4 Nf6 5.g3 e6 6.Bg2 Qb6 7.Bf4 Bd6 8.Bd6 cd6 9.0–0 0–0 =.

3.c3 Qd6 4.e3 e5 5.Ba3 Ne7 6.b5 Qe6 7.c4 dc4 8.Qc2 Nd7 9.Bc4 Qg6 =.

3.c3 Nd7 4.Qa4 c6 5.d4 Ngf6 6.Bf4 Ne4 7.e3 Rg8 8.Ne5 g5 9.Be2 Bg7 =.

3.c3 Nd7 4.d3 e5 5.e4 Ne7 6.Be2 c6 7.0–0 a5 8.ba5 Qa5 9.ed5 Nd5 =.

3.c3 Nd7 4.d4 Ngf6 5.Bf4 a5 6.b5 Nh5 7.Bg5 Nhf6 8.e3 Ne4 9.Bd3 Ng5 +=.

3.c3 e6 4.a3 Bd6 5.d4 Nf6 6.e3 a5 7.b5 Ne4 8.c4 0–0 9.c5 Be7 =.

3.c3 e6 4.d4 Bd6 5.Na3 a5 6.Qa4 c6 7.b5 Nf6 8.bc6 Nc6 9.Nb5 Bb8 =.

3.c3 Nf6 4.a3 e6 5.d4 Bd6 6.Nbd2 a5 7.b5 Bd7 8.e3 0–0 9.c4 b6 =.

3.c3 Nf6 4.d3 Qd6 5.Bg5 e5 6.e3 Nbd7 7.d4 e4 8.Bf4 Qe6 9.Ng5 Qc6 +=.

3.c3 Nf6 4.d4 Qd6 5.g3 e6 6.Bg2 Qb6 7.a4 Bd6 8.0–0 Ne4 9.a5 Qc6 +=.

3.c3 Nf6 4.e3 e6 5.d4 Bd6 6.Bd3 0–0 7.0–0 Ne4 8.Ne5 c5 9.bc5 Be5 =.

3.Nc3 e6 4.Bb2 Nf6 5.a3 Be7 6.e3 0–0 7.Bd3 Bd7 8.0–0 Bd6 9.Nb5 1–0. usingprogram (1985) – haki01, kurnik, 2012.

3.c4 dc4 4.e3 e6 5.Bc4 Bb4 6.Qa4 (6.a3 Be7=) 6...Nc6= 7.Nd4 Nge7 (7...Qd6 8.Nc3 a6+=) 8.a3= (worse is 8.Ne6 Be6 9.Be6 Qd6=; worse is 8.Be6 Bd7 9.Nc6 Nc6 10.Bd7 Qd7+= (worse is 10...Kd7 11.a3 Ba5 12.0–0+=)) 8...Bc5 (8...Ba5 9.Ne6 Be6 10.Be6 Qd6+=) 9.Ne6+= Be6 10.Be6 Rf8 (10...Qd6!? 11.Qb3 Bd4=) 11.Bb2 (11.Bb2 Qd6 12.Qb3+/–) 1–0. gtate (2790) – chessbrasil (2390), net–chess.com, 2008.

3.d4 a5 4.ba5 Nf6 5.e3 e6 6.c4 Ra5 7.Bd2 Ra8 8.Be2 Nc6 9.0–0 Ne4 =.

3.d4 a5 4.b5 Nf6 5.Bf4 e6 6.e3 Bb4 7.c3 Bd6 8.Bd6 cd6 9.Nbd2 0–0 +=.

3.d4 Qd6 4.a3 Nf6 5.e3 Nbd7 6.Bd3 a5 7.b5 e5 8.Bf5 e4 9.Nfd2 Nb6 +=.

3.d4 Qd6 4.Ba3 Qb6 5.e3 e6 6.c3 Nf6 7.Be2 Bd7 8.Nbd2 Ne4 9.Rc1 Nc6 =.

3.d4 Qd6 4.b5 Nf6 5.e3 a6 6.ba6 Na6 7.c4 dc4 8.Bc4 Be6 9.Ba3 Qb6 +=.

3.d4 Qd6 4.c3 Nd7 5.Qd2 Ngf6 6.Qg5 Ne4 7.Qf5 Ndf6 8.Qf4 Ng4 9.Qd6 ed6 =+.

3.d4 Nd7 4.a3 Ngf6 5.Bf4 Nh5 6.Be5 a5 7.b5 Nhf6 8.e3 Ne5 9.Ne5 e6 +=.

3.d4 Nd7 4.e3 e6 5.a3 Ngf6 6.c4 Be7 7.Ng5 Nb8 8.Be2 0–0 9.0–0 a5 =.

3.d4 Nd7 4.Bf4 e6 5.a3 Bd6 6.e3 Ngf6 7.Bd3 0–0 8.0–0 Ne4 9.Nbd2 Qf6 =.

3.d4 Nd7 4.Bg5 Ngf6 5.e3 Ne4 6.Bh4 Ndf6 7.c4 Be6 8.Nbd2 dc4 9.Bc4 Bc4 +=.

3.d4 e5 4.Ne5 Bb4 5.c3=.

3.d4 e5 4.Ne5 Bb4 5.Bd2 Bd6 6.Bf4 Nd7 7.e3 Ne5 8.de5 Bc5 9.Bd3 Ne7 =.

3.e3 Qd6 4.a3 e5 5.Bb2 Nd7 6.c4 Ngf6 7.Nc3 dc4 8.Bc4 c6 9.Ng5 Nd5 +=.

3.e3 Qd6 4.Ba3 Nf6 5.d4 Nbd7 6.b5 c5 7.c4 e6 8.Nbd2 b6 9.Bd3 a6 +=.

3.e3 Qd6 4.b5 Nd7 5.d4 c5 6.bc6 Qc6 7.Bd3 e6 8.0–0 Ngf6 9.Ba3 b5 +=.

3.e3 Qd6 4.c3 e5 5.Ba3 Ne7 6.d4 e4 7.b5 Qf6 8.Nfd2 Be6 9.c4 f4 =.

3.e3 Nd7 4.Bb2 e6 5.a3 Ngf6 6.Nd4 Nb6 7.Bb5 Kf7 8.Nf3 a5 9.Ne5 Kg8 =.

3.e3 Nd7 4.d4 e6 5.a3 Ngf6 6.c4 Ne4 7.Bd3 dc4 8.Bc4 Nb6 9.Bd3 a5 +=.

3.e3 Nd7 4.Nd4 Ndf6 5.Bb5 Kf7 6.Bb2 e6 7.a3 Bd6 8.Nf3 a5 9.Ne5 Be5 =.

3.a3 c6

4.Bb2 Nf6 5.e3 e6 6.Be2 Bd6 7.Be5 0–0 8.0–0 a5 9.b5 cb5 =.

4.Nc3 e6 5.d4 Bd6 6.Bg5 Nf6 7.e3 0–0 8.Bf4 Bf4 9.ef4 Ne4 =.

4.d4 a5 5.b5 Nf6 6.e3 e6 7.Nbd2 Be7 8.a4 cb5 9.ab5 Ne4 =.

4.e3 Nf6 5.Bb2 e6 6.Be2 Bd6 7.Be5 a5 8.b5 Be5 9.Ne5 cb5 =.

4.Ne5 Nd7 5.Bb2 Ne5 6.Be5 Nf6 7.d4 a5 8.b5 cb5 9.e3 Bd7 =.

3.a3 Bd7

4.Ra2 Nf6 5.d4 e6 6.e3 Bd6 7.c4 dc4 8.Bc4 0–0 9.Nc3 Ne4 =.

4.Bb2 Nf6 5.e3 a5 6.b5 e6 7.Be2 c6 8.a4 Be7 9.0–0 0–0 +=.

4.Nc3 Nf6 5.d4 e6 6.Bf4 a5 7.b5 Ne4 8.Qd3 c5 9.bc6 Nc6 =.

4.d3 a5 5.e4 fe4 6.de4 de4 7.Ne5 Nf6 8.b5 e6 9.Nc3 Bc5 =.

4.d4 a5 5.ba5 Nf6 6.e3 Ra5 7.c4 e6 8.Qb3 Bc6 9.Ne5 dc4 =.

4.e3 Nf6 5.d4 e6 6.c4 Be7 7.Ne5 0–0 8.Bd3 a5 9.b5 c6 =.

4.Ne5 Nc6 5.Nd7 Qd7 6.Bb2 a6 7.e3 e5 8.Be2 Nf6 9.0–0 Qe6 =.

3.a3 g6

4.Ra2 Bg7 5.d4 Nf6 6.Bf4 a5 7.b5 Nbd7 8.e3 Nh5 9.Be5 Ne5 +=.

4.Bb2 Nf6 5.e3 Bg7 6.Be2 a5 7.b5 0–0 8.0–0 c5 9.c4 Be6 +=.

4.c3 Nf6 5.d4 Nbd7 6.e3 Bg7 7.c4 0–0 8.Qb3 c6 9.cd5 Nd5 =.

4.d4 Bg7 5.Bf4 Nf6 6.e3 a5 7.b5 c5 8.bc6 Nc6 9.c4 Be6 +=.

4.e3 Nf6 5.d4 a5 6.b5 Bg7 7.c4 Be6 8.cd5 Nd5 9.Qc2 c6 +=.

3.Ba3 c6

4.Bb2 Nf6 5.e3 e6 6.a3 Bd6 7.Be5 Be5 8.Ne5 a5 9.b5 Nbd7 =.

4.Nc3 Qd6 5.e3 b5 6.Rb1 e5 7.Bb2 e4 8.Ng1 Nf6 9.a4 a6 =.

4.d3 Nf6 5.e3 e6 6.d4 Bd6 7.Be2 Qe7 8.0–0 a5 9.c3 ab4 =+.

4.d4 a5 5.e3 ab4 6.Bb4 Nf6 7.c4 Na6 8.Bc3 e6 9.c5 b6 +=.

4.e3 Nf6 5.d4 e6 6.Be2 Bd6 7.Qd3 b5 8.0–0 Qc7 9.Nbd2 a5 =.

3.Ba3 g6

4.Bb2 Nf6 5.e3 Bg7 6.Be2 Qd6 7.a3 Nbd7 8.0–0 e5 9.d4 e4 =.

4.b5 Bg7 5.d4 Nf6 6.e3 a6 7.ba6 b6 8.Ne5 Ba6 9.Ba6 Ra6 =.

4.Nc3 Bg7 5.e3 e5 6.Be2 a6 7.d4 e4 8.Ne5 Qd6 9.0–0 Nd7 =.

4.d4 f4 5.Bc1 Qd6 6.a3 Bg7 7.Nc3 Bg4 8.Ne5 Be5 9.h3 Qc6 =.

4.e3 Bg7 5.d4 Nf6 6.Bd3 Ne4 7.0–0 a5 8.b5 c5 9.c4 Be6 +=.

4.Ne5 Bg7 5.Bb2 Nf6 6.e3 Qd6 7.a3 a5 8.ba5 Nbd7 9.d4 Ra5 =.

3.Bb2 a6

4.a3 Nf6 5.e3 e6 6.Be2 Bd6 7.0–0 Nbd7 8.Nd4 Nb6 9.f4 Na4 =.

4.Na3 e6 5.c4 Nc6 6.b5 Nb4 7.ba6 Na6 8.e3 Nf6 9.Be2 Bc5 =.

4.Bc3 Nf6 5.e3 e6 6.Be2 Bd6 7.a3 Nbd7 8.0–0 e5 9.Ng5 Qe7 =.

4.e3 Nf6 5.a3 e6 6.Be2 Bd6 7.0–0 Nbd7 8.Nd4 Nb6 9.f4 Na4 =.

4.Ne5 Nf6 5.e3 e6 6.b5 ab5 7.Bb5 Nbd7 8.0–0 Bd6 9.f4 0–0 =.

4.h3 Nf6 5.a3 e6 6.e3 Bd6 7.c4 0–0 8.c5 Be7 9.Be2 a5 =.

3.Bb2 Bd7

4.a3 Nf6 5.e3 e6 6.Be2 c5 7.bc5 Bc5 8.Bd4 Bd6 9.Be5 Be5 =.

4.Bc3 Nf6 5.e3 e6 6.Be2 Bd6 7.0–0 Qe7 8.a3 e5 9.d4 e4 =.

4.Nc3 Nf6 5.a3 e6 6.e3 a5 7.b5 Bd6 8.d4 0–0 9.Be2 Be8 =.

4.e3 Nf6 5.a3 a5 6.b5 e6 7.Be5 Be7 8.Be2 c6 9.Nc3 0–0 =.

4.Ne5 Nf6 5.e3 e6 6.a3 c5 7.bc5 Bc5 8.Be2 0–0 9.0–0 Nc6 =.

3.Bb2 Nd7

4.a3 a5 5.b5 Ngf6 6.e3 e6 7.d4 Bd6 8.c4 dc4 9.Bc4 Nb6 =.

4.Bd4 Ngf6 5.a3 e6 6.e3 a5 7.ba5 Bd6 8.Bc3 e5 9.d4 e4 =+.

4.Nd4 Ndf6 5.e3 e5 6.Bb5 c6 7.Nc6 Qb6 8.Na7 Bd7 9.Be5 Bb5 =.

4.e3 e6 5.a3 Ngf6 6.Nd4 Nb8 7.Qf3 a5 8.ba5 Bd7 9.Nc3 Nc6 =.

4.e3 Ngf6 5.c4 e6 6.cd5 Nd5 7.Bc4 (7.a3 N7f6=) 7...N7f6 (7...N7b6 8.Bd5 Qd5 9.0–0=) 8.Bd5 (8.b5 Nb6 9.Be2 Bd6=) 8...ed5 9.a3 Be7 10.0–0 0–0 11.Nc3 a6 12.Qb3 c6 13.d3 Qe8 14.e4 Be6 15.e5 Nd7 16.d4 Qg6 17.Ne2 f4 18.g3? Bh3 19.Rfd1 fg3 20.Ng3 Rf7 21.Qd3 Qd3 22.Rd3–/+ Raf8 23.Nd2 Rf2 24.Bc3 Rg2 25.Kh1 Rff2 26.Ngf1 Bg5?? 27.Rh3+= Nb6? 28.Rf3 Re2? 29.Rg3 Rg3 30.hg3 Na4 31.Nf3+– Be7 32.Rc1 Ra2+/– 33.Ne3 Ra3 34.Nf5?? Bd8 35.Nd6 Nc3 36.Nb7 Be7 37.Nd6 Ne2 38.Rc6?? Ng3?? 39.Kg2= Ne4?? 40.Rc8+– Bf8 41.Ng5?? Ng5 42.Nf5 Rb3 43.Ne7 Kf7 44.Nd5 Ne6 45.Ra8 Bb4 46.Ra6 Ra3 47.Nb4–/+ Ra6 48.Na6 Nd4 49.Nc5 Ne6 50.Ne4 h6 51.Kf3 Ng5 52.Ng5= hg5 53.Kg4 Kg6 54.e6 Kf6 55.e7 Ke7 56.Kg5 Kf7 57.Kf5 g6 58.Kg5 Kg7 59.Kg4 Kh6 60.Kh4 g5 61.Kg4 Kg6 62.Kg3 Kf5 63.Kh3?? Kf4–+ 64.Kh2 g4 65.Kg2= g3 66.Kh3?? Kf3–+ 0–1. badboy1221 – snake20, Live Game Caissa's Web, 2004.

3.Bb2 Nf6

4.a3 e6 5.e3 c5 6.bc5 Bc5 7.Be2 Nc6 8.0–0 0–0 9.d4 Bd6 =.

4.b5 e6 5.e3 Bd6 6.Be5 0–0 7.Bd6 Qd6 8.d4 Nbd7 9.Bd3 a6 =.

4.Bc3 e6 5.a3 Bd6 6.e3 a5 7.b5 Nbd7 8.d4 0–0 9.Be2 Ne4 =.

4.Nc3 e5 5.Ne5 Bb4 6.a3 Bd6 7.Nb5 Be7 8.e3 0–0 9.Bd3 a6 =.

4.d4 e6 5.a3 Be7 6.e3 c6 7.c4 0–0 8.Nc3 a5 9.b5 Ne4 =.

4.e3 e6 5.a3 c5 6.Bc3 Nbd7 7.bc5 Bc5 8.d4 Bd6 9.Bb4 Bb8 =.

4.Ne5 e6 5.a3 Nbd7 6.e3 Bd6 7.f4 0–0 8.Be2 Be5 9.fe5 Ng4 =.

3.c3 c6

4.a3 a5 5.b5 cb5 6.Qb3 Nf6 7.e3 Bd7 8.Bb5 a4 9.Qb2 Bb5 =.

4.a4 Nf6 5.e3 e6 6.d4 Bd6 7.Bd3 0–0 8.0–0 Nbd7 9.Ba3 Ne4 =.

4.Qc2 e6 5.d4 Bd6 6.e3 Nf6 7.Bd3 0–0 8.0–0 b6 9.a4 c5 =.

4.d3 Qd6 5.d4 Nf6 6.Ne5 Nbd7 7.Bf4 g5 8.Nd7 gf4 9.Nf8 Rf8 =.

4.d4 a5 5.ba5 Nf6 6.Bf4 Qa5 7.Qc2 c5 8.e3 Nc6 9.Be2 e6 =.

4.e3 Nf6 5.d4 e6 6.Ba3 b5 7.Bd3 Bd6 8.0–0 0–0 9.Bb2 a5 =.

3.c3 Nc6

4.a3 Nf6 5.d4 a5 6.Qa4 Bd7 7.b5 Na7 8.e3 c6 9.bc6 Bc6 =.

4.Na3 e6 5.Rb1 Nf6 6.d4 Ne4 7.Qd3 a6 8.Nc2 Bd6 9.g3 e5 =+.

4.Bb2 a6 5.e3 Nf6 6.b5 ab5 7.Bb5 e6 8.Ne5 Bd7 9.Nd7 Qd7 =.

4.Qa4 Nf6 5.d4 e6 6.Bf4 Bd7 7.b5 Ne7 8.e3 Ng6 9.Bg5 c6 =.

4.b5 Na5 5.e3 Nf6 6.d4 e6 7.Ba3 Ba3 8.Na3 0–0 9.Bd3 c6 =.

4.d3 Nf6 5.b5 Nb8 6.Bf4 a6 7.ba6 Na6 8.e3 e6 9.Be2 Bd6 =.

4.d4 Nf6 5.Bf4 Nh5 6.Be5 Ne5 7.Ne5 Nf6 8.e3 e6 9.Nd2 Bd6 =.

4.e3 Nf6 5.d4 e6 6.b5 Nb8 7.Be2 a6 8.ba6 b6 9.a7 Ra7 =.

3.c3 Bd7

4.a3 e6 5.e3 Bd6 6.d4 Nf6 7.c4 dc4 8.Bc4 b5 9.Bd3 a5 =.

4.a4 e6 5.d4 Bd6 6.e3 Nf6 7.Bd3 Ne4 8.0–0 Qf6 9.Ba3 a6 =.

4.Qb3 e6 5.d4 Nf6 6.Bg5 h6 7.Bf6 Qf6 8.e3 Bd6 9.b5 g5 =.

4.Qc2 e6 5.d4 Bd6 6.Bg5 Nf6 7.e3 a5 8.b5 c6 9.c4 dc4 =.

4.d3 Nf6 5.Bf4 a5 6.ba5 Ra5 7.e3 e6 8.Be2 Ba4 9.Qd2 Bd6 =.

4.d4 Nf6 5.Bf4 a5 6.ba5 Ra5 7.e3 e6 8.Qb3 Ra7 9.Bd3 c5 =.

4.e3 Nf6 5.d4 e6 6.Be2 Bd6 7.0–0 0–0 8.Qb3 Nc6 9.Ba3 a6 =.

4.Ne5 Nc6 5.Nd7 Qd7 6.d4 e6 7.b5 Nd8 8.e3 Nf7 9.Be2 Nd6 =.

3.c3 h6

4.a3 e6 5.d4 Bd6 6.e3 Nf6 7.c4 0–0 8.c5 Be7 9.Bd3 b6 +=.

4.Bb2 Nd7 5.Qa4 c6 6.Qc2 e6 7.e3 Ngf6 8.Be2 Bd6 9.0–0 0–0 =.

4.Qc2 e6 5.d4 Nf6 6.e3 Bd6 7.Bd3 0–0 8.0–0 Ne4 9.Ba3 a6 =.

4.d3 Nf6 5.Ne5 a5 6.e4 de4 7.Be2 h5 8.Qa4 c6 9.de4 Ne4 =.

4.d4 Nf6 5.Ne5 Nbd7 6.Ng6 Rg8 7.e3 Kf7 8.Nf8 Rf8 9.c4 Nb6 +=.

4.e3 Nf6 5.d4 e6 6.a3 Bd6 7.c4 0–0 8.c5 Be7 9.Bd3 b6 +=.

4.Ne5 Nf6 5.d4 Nbd7 6.Ng6 Rg8 7.e3 Kf7 8.Nf8 Rf8 9.c4 Kg8 +=.

4.Nh4 Nf6 5.Ng6 Rg8 6.d4 a5 7.ba5 c5 8.Bf4 cd4 9.cd4 Qa5 +=.

3.c3 Nh6

4.a3 Nf7 5.d4 a5 6.b5 Qd6 7.c4 dc4 8.e3 e5 9.Bc4 Be6 =.

4.Na3 a5 5.b5 Nf7 6.d4 Nd7 7.Qd3 e6 8.Rb1 Nb6 9.g3 Bd6 =.

4.Qb3 Nf7 5.d4 Qd6 6.g3 Nd7 7.Bh3 g6 8.Bg2 c6 9.Bf4 Qf6 =.

4.Qc2 Nf7 5.d4 Qd6 6.Nbd2 e5 7.de5 Ne5 8.e3 Be7 9.Be2 0–0 =.

4.d3 Qd6 5.Nbd2 f4 6.e4 fe3 7.fe3 a5 8.ba5 Ng4 9.e4 Qc5 =.

4.d4 Qd6 5.g3 a5 6.Bf4 Qb6 7.ba5 Ra5 8.Nbd2 Nd7 9.c4 e5 +=.

4.e3 e6 5.d4 Bd6 6.Bd3 Nd7 7.0–0 Qf6 8.Na3 a6 9.Qa4 0–0 =.

3.d4 Nc6

4.a3 Nf6 5.Bf4 Nh5 6.Bd2 Nf6 7.e3 e6 8.c4 a6 9.Nc3 Be7 +=.

4.Ba3 a6 5.e3 Nf6 6.b5 ab5 7.Bb5 Bd7 8.0–0 Na7 9.Bd3 g6 +=.

4.b5 Nb8 5.Bf4 Nf6 6.e3 a6 7.ba6 Na6 8.Be2 e6 9.0–0 Bd6 +=.

4.c3 Nf6 5.Bf4 Nh5 6.Be5 Ne5 7.Ne5 Nf6 8.e3 e6 9.a4 Bd6 =.

4.Bd2 e6 5.b5 Nce7 6.e3 a6 7.Ne5 ab5 8.Bb5 c6 9.Be2 Ng6 +=.

3.d4 Bd7

4.a3 a5 5.ba5 Ra5 6.Bd2 Ra7 7.e3 e6 8.Bd3 Nf6 9.c4 Be7 =.

4.a4 e6 5.b5 a6 6.Ba3 Nf6 7.Bf8 Rf8 8.ba6 Ra6 9.c3 b5 =.

4.c3 Nf6 5.Bf4 a5 6.ba5 Ra5 7.e3 e6 8.Be2 Bb5 9.Bb5 Rb5 =.

4.Nc3 Nf6 5.Rb1 e6 6.Bf4 Bd6 7.e3 0–0 8.Be2 Nc6 9.a3 Be8 =.

4.Bd2 Nf6 5.e3 e6 6.c4 Be7 7.Be2 0–0 8.0–0 Ne4 9.Qb3 Be8 +=.

4.Nbd2 e6 5.Rb1 Nf6 6.e3 Bd6 7.c4 dc4 8.Nc4 0–0 9.Nd6 cd6 =.

4.Qd3 e6 5.a3 Bd6 6.Bg5 Nf6 7.e3 a5 8.b5 0–0 9.c4 dc4 =.

4.e3 Nf6 5.a3 e6 6.c4 Be7 7.Ne5 0–0 8.Bd3 a5 9.b5 c6 =.

4.Ne5 Nf6 5.Bf4 e6 6.a3 a5 7.ba5 Nc6 8.a6 ba6 9.c4 dc4 =.

4.Bf4 Nf6 5.e3 e6 6.a3 b5 7.Ne5 a5 8.Nc3 c6 9.Na2 Bd6 +=.

4.Bg5 Nf6 5.e3 Ne4 6.Bf4 e6 7.a3 Bd6 8.Bd3 Bf4 9.ef4 0–0 =.

3.d4 e6

4.a3 Bd6 5.Bg5 Nf6 6.e3 0–0 7.c4 c6 8.c5 Bc7 9.Be2 Qe8 (9...Nbd7 10.0–0=) 10.0–0 (10.Bf4 Bf4 11.ef4 Nbd7+=) 10...Nbd7 11.Bf4 Bf4 (11...e5 12.de5 Ne5 13.Nbd2=) 12.ef4+= Ne4 (12...Qg6 13.Re1+=) 13.Re1 (13.Ne5 Qe7+/–) 13...Qg6 14.Qd3 Ndf6? 15.Ne5+– Qh6 16.f3 Qh4 17.Rf1 Ng3 18.hg3 Qg3 19.Qd2 Nh5 20.Nd3 Qh4 21.Re1 Ng3 22.Nf2 Rf6 23.Nc3 Rh6 24.Nh3 Bd7? 25.Qe3 Rg6 26.Bd3 Ne4 27.fe4 fe4 28.Ne4 de4 29.Qe4 Qh3 30.Qg6! hg6 31.gh3 Be8 32.Re6 Bf7 33.Re7 Rd8 34.Rb7 Rd4 35.Rd1 Bc4 36.Bc4 Rc4 37.Rd8+– Kh7 38.Rbb8 g5 39.f5 Rc1 40.Kf2 Rc2 41.Ke3 Rc3 42.Kd4 1–0. b4_player (2220) – john3_16 (1870), GameColony.com, 2003.

4.a3 Bd6 5.Bg5 Nf6 6.e3 c6 7.c4 dc4 8.Bc4 b5 9.Bb3 a5 =.

4.a3 Nf6 5.e3 Bd6 6.c4 0–0 7.c5 Be7 8.Bd3 c6 9.0–0 Nbd7 10.a4 Ne4 11.Nbd2 Bf6 12.b5 Qe7 13.Qb3 Rb8 14.Ba3 Qf7 15.a5 Rd8 16.bc6 bc6 17.Qa4 Bb7 18.Qc2 g5 19.Rfb1 g4 20.Ne1 h5 21.a6 Ba8 22.Rb8 Rb8 23.Rb1 Rb1 24.Qb1 Qe8 25.Qb3 Qc8 26.Qa4 Nd2 27.Qa5 Nc4 28.Bc4 dc4 29.Qa4 Kf7 30.Qc4 Be7 31.Nd3 Nf6 32.Nf4 Nd5 33.Nh5 Kg6 34.Nf4 Nf4 35.ef4 Kf7 36.Bb2 Qc7 37.g3 Qa5 38.Bc3 Qa3 39.Kg2 Qc1 40.Qb3 Kf6 41.d5 Kf7 42.d6 Bf6 43.Bf6 Kf6 44.Qb8 Qc5 45.Qa8 Qd5 46.Kg1 Qd6 47.Qa7 Qd1 48.Kg2 Qd5 49.Kg1 Qd1 50.Kg2 Qf3 51.Kg1 Qd1 ˝–˝. racvac001 (1665) – tisjeimir (1650), kurnik, 2012. (=1.Nf3 f5 2.d4 d5 3.b4)

4.c3 Bd6 5.Na3 c6 6.Rb1 Nf6 7.c4 Ne4 8.Qd3 0–0 9.g3 Be7 =.

4.Bd2 Bd6 5.e3 Nf6 6.c4 0–0 7.c5 Be7 8.Be2 b6 9.a3 a5 =.

3.d4 Nf6

4.a3 a5 5.b5 Ne4 6.Bf4 e6 7.e3 Bd6 8.Bd6 Qd6 9.c4 0–0 +=.

4.a3 e6 5.Bf4 a5 6.b5 Nbd7 7.e3 Bd6 8.Nbd2 Qe7 9.Qc1 e5 10.de5 Ne5 11.Be5 Be5 12.Ne5 Qe5 13.c4 Be6 14.Nf3 Qd6 15.Bd3 0–0–0 (15...0–0!?=) 16.c5+/– Qe7 17.Qc3 Ne4 18.Be4 de4 19.Nd4 White prepares c6 19...a4 (better is 19...f4!?+/–) 20.Qa5+– (20.Ne6?! Qe6 21.0–0 Kb8+/–) 20...Kd7 (20...Bd5 21.c6 (21.Qa4?! Qc5 22.0–0 Rhf8+/–; 21.Nf5?! Qc5 22.0–0 Bb3+/–) 21...Kb8 22.cb7 Bb7 23.Nc6 Kc8 24.Ne7 Kd7 25.0–0–0 Ke6 26.Qc7+–) 21.c6 (21.c6 Ke8 22.cb7+– (22.Ne6?! Qe6 23.cb7 Qc4+/–)) 1–0. Taulien,Hans_Juergen (2350) – Schroers,Uwe (2205), remoteschach.de, 2003.

4.Ba3 e6 5.e3 Bd6 6.c4 c6 7.c5 Bc7 8.Bd3 0–0 9.0–0 Ne4 =.

4.c3 Qd6 5.Qd3 a5 6.b5 Ne4 7.Nbd2 Nd7 8.c4 e5 9.e3 Nf2 =.

4.Bd2 e6 5.e3 Nbd7 6.c4 Ne4 7.Bd3 dc4 8.Bc4 Nb6 9.Bd3 Bd6 =.

4.Nbd2 e5 5.Ne5 Bb4 6.Rb1 Bc3 7.e3 0–0 8.Bd3 c5 9.Ba3 cd4 =+.

4.e3 e6 5.a3 Bd6 6.c4 0–0 7.c5 Be7 8.Bd3 b6 9.0–0 a5 +=.

4.Ne5 e6 5.a3 Nbd7 6.Bf4 Ne5 7.de5 Ne4 8.f3 Ng5 9.e3 Nf7 =.

4.Bf4 e6 5.a3 Bd6 6.e3 0–0 7.Be2 a5 8.b5 Ne4 9.0–0 Qf6 +=.

3.e3 a6

4.a3 Nf6 5.d4 e6 6.c4 Be7 7.Nbd2 0–0 8.Be2 a5 9.b5 c6 +=.

4.Ba3 Nf6 5.d4 e6 6.Be2 Bd6 7.0–0 Qe7 8.c4 dc4 9.Ne5 b5 =+.

4.Bb2 Nf6 5.a3 e6 6.Be2 Bd6 7.0–0 Nbd7 8.d4 0–0 9.c4 dc4 =.

4.c3 e6 5.d4 Bd6 6.Be2 Nf6 7.a3 0–0 8.0–0 Ne4 9.Ne5 Nd7 =.

4.c4 dc4 5.Bc4 b5 6.Bb3 e6 7.Bb2 Nc6 8.a3 a5 9.ba5 Na5 +=.

4.d4 e6 5.a3 Nf6 6.c4 Be7 7.Be2 dc4 8.Bc4 b5 9.Be2 0–0 =.

4.Be2 Qd6 5.Ba3 b5 6.d4 Nc6 7.0–0 Nf6 8.c3 e5 9.de5 Ne5 =.

4.Ne5 Nf6 5.d4 e6 6.a3 Nbd7 7.c4 Be7 8.Be2 dc4 9.Nc4 0–0 =.

3.e3 Bd7

4.a3 e6 5.d4 Nf6 6.c4 Be7 7.Ne5 0–0 8.Bd3 a5 9.b5 c6 =.

4.Ba3 e6 5.d4 Nf6 6.Bd3 a6 7.0–0 Bb5 8.Qe2 Bd3 9.Qd3 Nc6 =.

4.Bb2 Nf6 5.a3 e6 6.Be2 c5 7.bc5 Bc5 8.Bd4 Bd6 9.Be5 Be5 =.

4.c3 Nf6 5.d4 e6 6.a3 Bd6 7.c4 dc4 8.Bc4 b5 9.Bd3 a5 =.

4.Nc3 e6 5.a3 Nf6 6.d4 Bd6 7.Be2 Ne4 8.Bb2 a5 9.b5 c6 =.

4.d4 Nf6 5.c4 e6 6.a3 Be7 7.Ne5 0–0 8.Bd3 a5 9.b5 c6 =.

4.Be2 e6 5.a3 Nf6 6.Bb2 c5 7.bc5 Bc5 8.0–0 Nc6 9.c4 dc4 =.

4.Ne5 Nf6 5.a3 e6 6.Be2 Nc6 7.Bb2 Ne5 8.Be5 a5 9.b5 Bd6 +=.

3.e3 e6

4.a3 Nf6 5.d4 Bd6 6.c4 0–0 7.c5 Be7 8.Bd3 b6 9.0–0 a5 +=.

4.Ba3 Bd6 5.c4 Nf6 6.d4 c6 7.c5 Bc7 8.Be2 0–0 9.0–0 Nbd7 =.

4.Bb2 Nf6 5.a3 c5 6.Bc3 Nbd7 7.bc5 Bc5 8.d4 Bd6 9.Bb4 Bb8 =.

4.b5 Nf6 5.d4 a6 6.ba6 Na6 7.Be2 Nb4 8.a4 Bd6 9.0–0 0–0 =.

4.c3 Bd6 5.d4 Nf6 6.Be2 0–0 7.0–0 Nbd7 8.b5 Ne4 9.Qb3 c5 =.

4.Ne5 Nf6 5.a3 Nbd7 6.Bb2 Bd6 7.f4 Be5 8.fe5 Ng4 9.Bb5 Qh4 =+.

3.e3 Nf6

4.a3 e6 5.d4 Be7 6.Be2 0–0 7.0–0 Nbd7 8.c4 a5 9.b5 Ne4 +=.

4.Ba3 Bd7 5.d4 e6 6.c4 a6 7.Qb3 b5 8.c5 Be7 9.Bd3 Nc6 +=.

4.Bb2 e6 5.a3 c5 6.bc5 Bc5 7.Be5 Nc6 8.d4 Qa5 9.Qd2 Bb4 =.

4.Bb2 e6 5.b5 Bd6 6.c4 0–0 7.Be2 c6 8.a4 Nbd7 9.Nd4 Nb8 10.Qc2 Ne4 11.d3 Ng5 12.0–0 e5 13.Nb3 f4 14.ef4 Rf4 15.Bc1 Rf7 16.cd5 Bd7 17.dc6 bc6 18.d4 cb5 19.Bb5 Qf6?? (19...Bf5 20.Qc4 Be6 21.Bg5 Bc4 22.Bd8 Bb3 23.de5 Be5+–) 20.Bg5+– Qg5 21.Bc4 (Better is 21.Qe4 Nc6 22.Bc6 Bc6 23.Qc6+–) 21...Bg4?? (Better is 21...ed4 22.Bf7 Kf7 23.Qh7 Nc6+–) 22.Bf7 Kf7 23.Qe4 (23...Nc6 24.Qd5 Be6 25.Qd6 Nd4 26.Nd4 ed4 27.Qd4+–) 1–0. Brinks,Jan Willem – Fakkel,Ewout, NED–ch U20 op, 2000.

4.b5 a6 5.Bb2 e6 6.Ne5 Be7 7.ba6 ba6 8.Qf3 Bb7 9.Na3 Nc6 =.

4.c3 e6 5.Be2 Bd6 6.d4 0–0 7.0–0 Nbd7 8.Qd3 Qe7 9.Nbd2 e5 =.

4.Nc3 e5 5.Ne5 Bb4 6.Bb2 0–0 7.a3 Ba5 8.Be2 Re8 9.Nf3 Ne4 =.

4.d4 e6 5.a3 Bd6 6.c4 0–0 7.c5 Be7 8.Bd3 b6 9.0–0 a5 +=.

4.Be2 Qd6 5.b5 e5 6.Ba3 Qe6 7.Bf8 Rf8 8.0–0 Nbd7 9.d4 Ne4 =.

2.Nf3 d6

3.Bb2 e5 4.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.Nf3).

3.c3 Nc6 4.e3 Be6 (4...e5 5.b5 Nb8 6.Be2=) 5.b5 Ne5 6.Ne5 de5 7.Be2 Nf6 8.0–0 Bf7 9.d3 e6 10.Qc2 Bd6 11.f4 ef4 12.ef4 Ng4 (12...Qd7 13.d4=) 13.Bg4 fg4 14.c4 (14.Be3 0–0=) 14...0–0 (14...Bc5 15.Kh1+=) 15.c5 (15.Be3!?=) 15...Be7 16.Bb2 Bh5 (16...Bg6 17.Qc3 Bf6 18.d4+=) 17.Nd2 (17.c6 bc6 18.Qc6 Qd3 19.Qe6 Rf7=) 17...b6 (17...Bg6 18.Ne4 Qd5 19.Rac1=) 18.c6 Bc5 19.Kh1 Qd5 20.Ne4 Qc6?? (20...Be7 21.a4+=) 21.Qc3 (better is 21.bc6 Be7 22.Qb3+–) 21...g3?? (better is 21...Qd7=) 22.Qg7 1–0. arti000 – sseeffdd, kurnik, 2012. (=1.b4 f5 2.Nf3 d6)

3.c3 e5 4.d3 =.

3.c4 e5 4.d3 e4 5.Nfd2 Nf6 6.e3 c6 7.Bb2 d5 8.Qb3 Be6 9.Nc3 dc4 10.dc4 Nbd7 11.Ne2 c5 12.Nf4 Bf7 13.bc5 Nc5 14.Qb5 Qd7 15.Bf6 gf6 16.Nd5 0–0–0 17.Qd7 ˝–˝. Hasangatin,Ramil (2520) – Kornev,Alexei (2555), RUS–ch sf Tula, 2003. (=1.Nf3 f5 2.b4 d6)

3.c4 e5 4.d4 e4 5.Ng5 d5 6.Qa4 Bd7 7.b5 c6 8.Nc3 Qe7 9.Rb1 Nf6 10.cd5 Nd5 11.Nd5 cd5 12.Qb3 Be6 13.Bd2 Nd7 14.Rc1 Nb6 15.Ne6 Qe6 16.Rc7 Rc8? (better is 16...Nc4!? 17.b6 ab6= (17...Qb6?? 18.Qa4 Qc6 19.Rc6+–; 17...Nd2?! 18.Kd2 ab6 19.e3+=)) 17.Rb7+/– Rc4 (17...Rc1 18.Bc1 Qc8 19.Bf4 Qb7 20.e3+/–) 18.Rb8 (18.Ra7 Qc8 19.e3 Rc1 20.Ke2 Qb8+–) 18...Kf7 (18...Nc8 19.e3 Bd6 20.Rb7+/–) 19.e3 (better is 19.Rb7!? Be7 20.Ra7+–) 19...Qd6? (better is 19...Rc7+=) 20.Rb6 (20.Rb6 ab6 21.Bc4 dc4 22.Qc4 Qe6 23.d5+–) 1–0. Dumitran,Octavian (2260) – Boonekamp,Maarten (2040), FRA–chT2 North, 2008. (=1.Nf3 f5 2.b4 d6)

3.c4 g6 4.Bb2 Nf6 (4...e5 5.e3= (5.Nc3 Nf6 6.Qb3 Be7 7.c5 Nc6 8.e3 a6 9.cd6) 5...Nf6 6.Nc3 Be7 7.Be2 e4 8.Nd4 0–0 9.Nd5) 5.Bf6 (5.Nc3 Bg7 6.Qb3 0–0 7.c5 d5 8.e3 Nc6 9.Be2; 5.d4 Bg7 6.Nc3 0–0 7.e3 a5 8.b5 Nbd7 9.Be2) 5...ef6 6.e3 (6.Nc3 Nc6 7.Nd5 Kf7 8.h4 Be6 9.h5) 6...Be6 (6...f4 7.ef4 (7.Nc3 Bg7 8.ef4 0–0 9.Be2) 7...Bh6 8.g3+= (8.Nc3 0–0 9.Be2) 8...0–0 9.Nc3; 6...Bg7 7.Nc3 0–0 8.Bd3 Nc6 9.Qb3) 7.Nc3 (7.Nd4 Bd7 8.b5 c5 9.Nf3) 7...c6 (7...Bg7 8.d4+= (8.Nd4 Bd7 9.b5) 8...0–0 9.Bd3; 7...Kf7 8.d4 a5 9.b5) 8.Rb1 (8.Bd3 Na6 9.a3) 8...Nd7 9.d4 (9.Nd4+=) 9...a5 (9...d5 10.cd5 cd5 11.Qb3+=) 10.d5 Bf7 11.dc6 bc6 12.a3 (12.b5!?+/–) 12...ab4= 13.ab4 Ne5 14.Ne5 (14.Nd2 Ra3 15.Qc1 Ra8+=) 14...fe5 15.Be2 (15.b5 Ra3 16.Qd2 Qa5=) 15...Bg7 16.e4 0–0 17.0–0 fe4 18.Ne4 (18.Qd2 d5=) 18...d5+= 19.cd5 cd5 20.Nc5 e4 21.Bg4 Qe7 22.Qd2 h5 23.Bh3 Kh7 24.Rfe1 Bg8 25.f3 Ra3 26.fe4 Bc3 27.Qc1 Be1 28.Qa3 Bf2 29.Kh1 de4 30.Nd7 Rf7 31.Qb2?? e3–+ 32.Qe2 Rf4 33.Rc1 Bc4! 34.Rc4?? Rc4 35.Qc4 e2 36.Nf8 Kh6 37.Qc1 Qe3 (37...Qe3 38.Qe3 Be3 39.g3 e1Q 40.Kg2 Qf2 41.Kh1 Qg1#) 0–1. Tate,E (2410) – Bartel,Mat (2565), III Open, Calvia ESP, 2006. (=1.Nf3 f5 2.b4)

3.d3 e5= 4.c4 Nf6 5.Nc3 e4 6.Nd4 c5 7.Nc2 d5 8.Bg5 Be7 (worse is 8...cb4 9.Bf6 Qf6 10.Nd5+=) 9.bc5 Qa5 (9...dc4 10.de4 Qa5 11.Qd2=) 10.Bd2 (10.Qd2 Qc5 11.d4 Qc4+=) 10...Qc5= 11.Nd5 Nd5 12.cd5 Qd5 13.de4 Qe4 14.Bc3 0–0 15.e3 Nc6 16.Qd3 ˝–˝. Passerotti,P – Flear,C, Roma, 1990. (=1.Nf3 f5 2.b4)

3.d4 c6 4.c4 Nf6 5.Bb2 a5 6.b5 cb5 7.cb5 Nbd7 8.e3 Nb6 9.Nbd2 Be6 10.Bd3 g6 11.Ng5 Bd5 12.f3 Bh6 13.h4 Nh5 14.e4 Nf4 15.Bf1 e5? (15...fe4 16.fe4 Bg5 17.hg5+/– (worse is 17.ed5 Bf6+=)) 16.g3 (16.ed5!? Bg5 17.hg5 Qg5+–) 16...Bg5+/– 17.ed5 Bf6? (better is 17...Be7!? 18.gf4 Bh4 19.Ke2 ef4+=) 18.de5+– (18.gf4?! Bh4 19.Ke2 ef4+=) 18...de5 19.gf4 Bh4 20.Ke2 Nd5 21.Qa4 (21.fe5?! Nf4 22.Ke3 Nd5 23.Kd3 Nb4 24.Kc3 Nd5 25.Kd3 Nb4 26.Kc3 Nd5 27.Kd3=) 21...Qb6 22.Rh4 Qe3 23.Kd1 Qf2 24.b6 Kd8 25.Qa3?? Ne3= 26.Qe3 Qe3 27.fe5 f4 28.e6 Ke7 29.Bh8 Rh8 30.Rc1 h5 31.Rc7 Ke6 32.Rh2 Qd4 33.Bc4 Kf6 34.Kc2 Re8 35.Rg2 g5 36.Nb3 Qb6 37.Rf7? Kg6–+ 38.Rf4 Rc8 39.Re4–/+ a4 40.Nd2 a3 41.Kd1 Qb2 42.Bd3 Kf6 43.f4 g4 44.Re5 Rc1 45.Ke2 Rh1 46.Rb5 Qa2–/+ 47.Rb6 Ke7 48.Rb7 Kd8 49.f5? Qa1–+ 50.Rb1 Qe5 51.Kf2 Rh3 (51...Rh3 52.Be2 Qf5 53.Kg1 Qc5 54.Rf2 g3–+) 0–1. Mista,Aleksander (2075) – Kruczynski,Marek (2375), Jaroslawiec op–A Poland, 1995. (=1.Nf3 f5 2.b4 d6)

3.d4 c6 4.c4 Nf6 5.Nc3 Qc7 6.Bg5 Ne4 7.Bd2 a5 8.Ne4 fe4 9.Ng5 Bf5 10.g3 (10.ba5!? h6 11.g4+=) 10...ab4= 11.Bb4 d5 12.Qb3 Qd7 (12...e5 13.Bf8 Rf8 14.cd5 ed4 15.Qb4–/+) 13.h4 Na6 14.Bd2 e5 15.cd5 ed4 16.dc6 bc6 17.Bg2 Nc5 18.Qd1 Bd6 19.Nh3 (better is 19.Bc1!? d3 20.Be3–/+) 19...e3!–+ 20.fe3 Bg3 21.Nf2 Ne4 22.Be4 Be4 23.0–0 Bf2 24.Rf2 Qg4 25.Kf1 Qh3 26.Ke1 Qh1 27.Rf1 Qh4 28.Rf2 Rf8 (28...Rf8 29.Bb4 Qf2 30.Kd2 Qe3 31.Ke1 Bg2 32.Bf8 Qg3 33.Kd2 Qc3) 0–1. Dufek,V – Vesely,Jaromir, Prague Bohemians, 1977. (=1.Nf3 f5 2.b4)

3.d4 g6 4.g3 Bg7 5.Bb2 Nh6 6.Bg2 Nf7 7.0–0 Nd7 8.c4 0–0 9.Nc3 (9.Nbd2 a5 10.a3 e5+=) 9...e5 10.de5 de5 11.e4 f4 12.b5 (12.Qe2 fg3 13.hg3 Nf6+/–) 12...g5 13.h3 h5 14.Nh2 (14.Ba3!?+/–) 14...Nf6 (14...Nb6 15.Ba3 Qd1 16.Rfd1= (worse is 16.Nd1 Rd8–/+)) 15.Nd5 h4 16.gf4 gf4 17.Kh1 (17.Qb3 Nd5 18.Rad1 Qf6 19.Rd5 Be6=) 17...c6 18.Nf6 Qf6 19.Rg1 (19.Ng4 Qg6+=) 19...Be6 (19...Rd8 20.Qe2+=) 20.bc6 bc6 21.Bf3 (21.Ng4 Qe7=) 21...Bc4 (21...Bh3 22.Bh5 Rab8 23.Rb1=) 22.Ng4 (22.Qc2 Ba6=) 22...Qe7 (22...Qe6!? 23.Qc2 Rfb8–/+) 23.Rc1 (23.Qc2 Qe6 24.Nf6 Kh8=) 23...Rad8 (23...Rab8 24.Be5 (worse is 24.Rc4 Rb2 25.Rc6 Kh7=) 24...Ne5 25.Ne5 Qe5 26.Rc4+=) 24.Qc2+= Bb5 25.a4 Rd3 26.ab5 Rf3 27.Kg2 Ng5 28.bc6 Rh3 29.c7 Rc8 30.Kf1 (30.Qc6!? Rb3 31.Qd5 Qe6 32.Qd8 Kh7 33.Qg5 Rb2 34.Rgd1 h3 35.Kh2 Rf2 36.Nf2+–) 30...Nf7 (30...Kh7 31.Qc6 Ne6 A) 32.Be5 Be5 33.Qd5 Rc7 34.Rc7 A1) worse is 34...Bc7 35.Qh5 Kg7 36.Qh6 Kf7 37.Ne5 Ke8 38.Rg8 Nf8 39.Qc6 Kd8 40.Qa8 Bb8 41.Qb8; A2) 34...Qc7 35.Qe6 (35.Ne5?! Ng7+=) 35...Qc1 36.Kg2 f3 37.Kh3 Qg1 38.Qf7 (38.Ne5 Qg2 39.Kh4 Qf2 40.Kh5 Qh2 41.Kg5 Qg2 42.Ng4 f2 43.Qf7 Kh8 44.Qf2 Qf2 45.Nf2 Kg7+–) 38...Kh8 39.Qe8 (39.Ne5?! Qg2 40.Kh4 Qh2 41.Kg4 Qe5+/–) 39...Kh7 40.Ne5 Qg2 41.Kh4 Qf2 42.Kg4 Qg1 43.Kf5+–; A3) 34...Nc7 35.Qe5 Qe5 36.Ne5 Rb3=; B) 32.Qa6 Rc7 33.Rc7 Nc7 34.Qc8=) 31.Qc4 Kh8 32.Kg2 Ng5 33.Qb5 e5 draws heavy fire 33...a6 34.Qb7?? (better is 34.Qc5 f3 35.Kf1 Qc5 36.Rc5 Ne4 37.Rc6 Ng3 38.fg3 hg3 39.Bc3=) 34...Qd7 (34...Qe6 35.Be5 Qg4 36.Kf1–+) 35.Ne5 (35.Qd5 Qg4 36.Kf1–+) 35...f3?? (35...Be5 36.Be5 Kh7=) 36.Kf1+– Rc7 (36...Be5 37.Be5 Kh7+–) 37.Qc7 Qb5 38.Qc4 (38.Rc4 Qe8 39.Rc6 Kg8 40.Nf3 Qf7 41.Qc8 Qf8 42.Rg5 Rh1 43.Kg2 Rg1 44.Kg1 Kh7 45.Rg7 Qg7 46.Bg7 Kg7 47.Qd7 Kf8 48.Rc8) 38...Qb2 1–0. Matlakov,M (2695) – Bosiocic,Mari (2555), European Blitz, 2014. (=1.Nf3 f5 2.b4 d6)

3.e3 e5 4.Bc4 c6 5.Bb2 Nf6 6.a3 g6 7.Nc3 Bg7 8.0–0 Qe7 9.d4 (9.Qe1 d5 10.Bb3 Nbd7=) 9...Nbd7 (9...e4 10.Nd2=) 10.Re1 (10.de5 Ne5 11.Ne5 de5=) 10...e4 11.Nd2 d5 12.Ba2 (12.Be2 b5=) 12...g5 (12...0–0 13.Ne2+=) 13.Ne2= ˝–˝. pumpkin (2255) – clochard (2245), net–chess.com, 2003. (=1.Nf3 f5 2.b4)

3.d4 Nf6

4.Bb2 d5 5.Nc3 e6 6.b5 Bb4 7.a3 Ba5 8.g3 0–0 9.Bh3 c6 10.a4 cb5 11.ab5 b6 12.0–0 Bc3 13.Bc3 h6 14.Ne5 Nbd7 15.Nc6 Qe8 16.Na7 Bb7 17.Bg2 Ne4 18.Bb4 Rf7 19.f3 Ng5 20.Qd2 Nf6 21.Qf4 Qd7 22.Rfc1 Nh5 23.Qe5 Nh7 24.Nc6! Ra1 (24...Bc6 25.bc6 Passed pawn) 25.Ra1 Bc6 26.bc6 Qc6 27.Qb8 Nf8 28.Ra8 (28.Ra8 Nf6 29.Qd8+– (29.Bf8?! Nd7 30.Qc8 Qc8 31.Rc8 Rf8+/–)) 1–0. Janek – Carjhon, internet, 2016.

4.Bb2 g6 5.c4 Bg7 6.e3 0–0 7.Be2 e6 8.0–0 Qe7 9.Nc3 Nc6 10.b5 Nd8 11.a4 Nf7 12.a5 g5 13.Qb3 g4 14.Nd2 e5 15.Rfe1 Be6 16.Nd5 Qd7?? (better is 16...Qd8+=) 17.Nf6+– Bf6 18.d5 Ng5 19.de6 Qe6 20.b6 cb6 21.ab6 a6 22.Rac1 Rac8 23.Ba3 Rfd8 24.Qd3 Rc6 25.Qd5 Qd5 26.cd5 Rb6 27.Rb1 Rb1 28.Rb1 b5 29.Rc1 Nf7 30.Rc6 Ra8 31.Bd6 Kg7 32.Bc5 h5 33.Rb6 Bd8 34.Rb7 Rc8 35.Nb3 Ra8 36.Ra7 Ra7 37.Ba7 Nd6? (better is 37...Be7+–) 38.Nc5 1–0. Franke,Reiner (2270) – Wesseln,Kai (2365), BL2–N, 1998. (=1.Nf3 f5 2.b4 d6 3.d4 Nf6)

4.Bb2 g6 5.e3 Bg7 6.c4 0–0 7.Qb3 c6 8.Be2 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Qc7 12.0–0 Nbd7 13.Ng5 Nb6 14.c5 Nbd5 15.Nc3 h6 16.Nf3 Kh7 17.Nd5 Nd5 18.Bc4 Nf6 19.cd6 ed6 20.b5 Ne4 21.Rc1 c5 22.dc5 dc5 23.b6 Qe7 24.Bg7 Kg7 25.Qb2 Qf6 26.Qb1 Rd8 27.Bd3 Nc3 28.Qc2 Na2 29.Qa2 Rd3 30.Qa5 Rd5 31.h3 Qd6 32.Qa1 Qf6 33.Qa5 Qd6 34.Qa1 Qf6 35.Qa5 ˝–˝. Laihonen,Petteri (2275) – Kauppinen,Martti (2235), FIN–chT qual, 1999. (=1.Nf3 f5 2.b4 d6 3.d4 Nf6)

4.Bb2 g6 5.e3 Bg7 6.c4 e6 7.Be2 Qe7 8.Qb3 Nc6 9.0–0 0–0 10.b5 Nd8 11.a4 Nf7 12.Nbd2 g5 13.c5 g4 14.cd6 cd6 15.Ne1 b6 16.Nd3 Bb7 17.Nf4 Rfe8 18.a5 e5 19.Nd3 Bd5 20.Qa3 ba5 21.Rfc1 Qb7 22.Qa5 Re7 23.Bf1 Ne4 24.Nc4 Rc8 25.Nb4 Rc4? (better is 25...Nf6+/–) 26.Nd5+– (26.Rc4?! Bc4 27.Bc4 Rc7+–) 26...Rc1 27.Ne7 (27.Ne7 Qe7 28.Rc1+–) 1–0. Mrozinski,Werner (1925) – Richter,Rainer (2045), Ruhrgebiet Regionalliga, 2004. (=1.Nf3 f5 2.b4 d6 3.d4 Nf6)

4.Bb2 g6 5.e3 Bg7 6.Be2 0–0 7.c4 c6 8.a4 Qe8 9.Qb3 Kh8 10.Nbd2 Nbd7 11.0–0 Ne4 12.Rfd1 Ndf6 13.a5 g5 14.Ne4 fe4 15.Nd2 (worse is 15.Ng5 Qg6 16.f4 h6–/+) 15...Qg6 16.Qc2 d5 17.Rf1 Bf5 18.b5 Rac8 19.Qa4 Bg4 20.Bg4 Ng4 21.a6 ba6 22.Qa6?? (22.Qd1 Qf5 23.Ra6 cb5 24.cd5 Rc7+=) 22...dc4?? (better is 22...Qd6 23.g3 Qh6–+) 23.Nc4+= cb5 24.Qb5 Rc4 25.Qc4 Qd6 26.g3 Qh6 27.h4 gh4 28.Qe2 Rf3–+ 29.Qa6 Nf6?? 30.Qc8 Bf8 31.Qh3 hg3= 32.Qh6 Bh6 33.fg3 Rg3 34.Kf2 Re3 35.d5 Kg8 36.Bf6 ef6 37.Rad1 Rf3 38.Kg2 Rd3 39.d6 Kf7 40.Rh1? Bf4 41.Rh7–/+ Ke6 ˝–˝. Laihonen,Petteri (2245) – Galyas,Miklos (2300), HUN–chT, 1996. (=1.Nf3 f5 2.b4 d6 3.d4 Nf6)

4.c4 g6 5.Bb2 Bg7 6.e3 0–0 7.c5 a5 8.cd6 cd6 9.b5 Kh8 10.Bc4 Nbd7 11.a4 (11.Ng5 Qe8 12.Ne6 Nb6 13.Ng7 Kg7+=) 11...Ne4 12.0–0 Nb6 13.Bb3 d5 14.Nbd2 Be6 15.Rc1 Qd6 Black intends f4 16.Ne5 f4 17.ef4 Rf4 18.f3 Ng5 19.Qe2 (19.Re1 Nd7+=) 19...Nd7 (19...Na4!? 20.Qe3 Be5 21.de5 Qb6 22.Qb6 Nb6=) 20.Rfe1 Ne5 21.de5 Qb6 22.Qf2 Qd8 23.h4 Nf7+= 24.g3 Rf5 Increases the pressure on e5 25.f4 g5 26.Nf3 gh4 27.Nh4 Rh5 28.Bd1 Rh6+/– 29.g4 Qg8 30.g5 Rh4 31.Qh4 Nh6 32.Bc2 Nf5 33.Bf5 Bf5 34.Rc7 Rc8 35.b6 Qe6 36.Rc8 Qc8 37.Rc1 Qd7 38.e6 Qd8? 39.Bg7+– Kg7 40.Rc7 Qe8 41.g6 (41.g6 Qg6 42.Kf2 Be6 43.Qe7 Kh8 44.Qd8 (44.Rb7?! Qc2 45.Kg1 Qd1 46.Kh2 Qe2 47.Kg3 Qe1 48.Kg2 Qe2 49.Kh1 Qf3 50.Kh2 Qe2 51.Kg3 Qe1 52.Kf3 Qe4 53.Kg3 Qe1=) 44...Bg8 45.Rb7 Qc2 46.Kg3 Qb3 47.Kh4+–) 1–0. Gorbatow,A (2415) – Toulzac,PY (2250), Open FIDE St Quentin FRA, 1999. (=1.Nf3 f5 2.b4)

4.c4 g6 5.g3 Bg7 6.Bb2 0–0 7.Qb3 Qe8 8.Nc3 c6 9.Bg2 e5 10.de5 de5 11.Ng5 h6 12.Nf3 e4 13.Nd4 Bd7 14.e3 Na6 15.c5 Kh7 16.Qc4 Nc7 17.Qe2 Ng4 18.Nb3 Ne5 19.Nc1 Be6 20.Qc2 Bc4 21.Nd1 Ba6 22.a4 Nd5 23.Qb3 Bc4 24.Qa3 Bd3 (24...a5!? 25.Bd4–+) 25.Qb3 Bc4 26.Qa3 Rd8 27.Bd4 Nf3 28.Bf3 Bd4 (28...ef3 29.Bg7 Kg7 30.Qb2 Kh7 31.Qc2–+) 29.ed4 ef3 30.Ne3 (30.Kd2 Qe4 31.Qb2–+) 30...f4 31.gf4 Nf4 (31...Rf4 32.Ne2 Be2 33.b5 Rd4 34.Rc1 Ne3 35.fe3 Qe4 36.ed4 Bd1 37.Kd2 Qd4 38.Ke1 Qd2 39.Kf1 Qg2 40.Ke1 Qe2) 32.Qc3 Be2 (better is 32...Qe4 33.Nb3 Nd3 34.Kd2 Bb3–+) 33.Kd2 Qe4 34.Nb3 Ng2 35.Rhg1 Ba6 36.b5 cb5 37.ab5 Bb5 38.Ra7 Ne3 39.Qe3 Qe3 40.Ke3+= Rde8 41.Kd2 Re2 42.Kc3 Bc6 43.Na5 Be4 44.Rg4 Bd5 45.c6 Rf2 46.Rb7 Kh8 47.Rg6?? Rh2–+ 48.Rgg7 Be4 49.Rgf7= Rc2 50.Kb4 Rf7 51.Rf7 Kg8 52.Rf4 Bd5 53.Kb5 f2 54.c7 Rc7 ˝–˝. Bernardt,Rainer Georg (1805) – Betz,Egon (1885), Wuerttemberg–ch Seniors, 2003. (=1.Nf3 f5 2.b4 d6)

4.e3 g6 5.Bb2 Bg7 6.Nbd2 0–0 7.Bd3 e5 8.de5 Ng4 9.Nc4 d5 10.h3 Nh6 11.Ncd2 Nf7 12.c4 (12.Rb1 Nc6=) 12...Nc6 Increases the pressure on e5 13.Qb3 Be6 (better is 13...Nfe5!? 14.Ne5 Ne5 15.Be5 Be5=) 14.cd5 Bd5 15.Bc4 Bf3 16.Nf3 (16.gf3?! Nce5 17.Rd1 Qe7=) 16...Qe7 17.Rd1 Nce5 18.Be5 Be5 19.Ne5 Qe5 20.Rd7 Qe8 (20...Qf6 21.Rc7 b5 22.Bd5+–) 21.Rc7 Rc8 (better is 21...b5 22.Be6 a5+–) 22.Rb7 Kh8 (22...a6+–) 23.Bf7 (23.Bf7 Qe5 24.0–0+–) 1–0. Rukavina,J (2420) – Jorgensen,J (2195), 21st World Seniors, 2011. (=1.Nf3 f5 2.b4)

4.e3 g6 5.Bb2 Bg7 6.Be2 0–0 7.0–0 c6 8.c4 Ne4 9.Qc2 Nd7 10.Nc3 Nc3 11.Qc3 e5 12.de5 de5 13.Rad1 Qe7 14.c5 Bf6 15.Bc4 Kg7 16.Qd2 e4 17.Bf6 Qf6 18.Nd4 Ne5 19.Qc2 a5 20.b5 Rd8 21.b6 a4 22.f3 (22.a3 Ra5 23.Ba2 Nd3=) 22...Ra5 (22...ef3 23.Nf3 Rd1 24.Rd1 Nf3 25.gf3+=) 23.f4 (better is 23.Be2!? ef3 24.Bf3 (worse is 24.gf3 Rd5+=; worse is 24.Nf3 Rd1 25.Qd1 Nd7+=) 24...Nf3 25.Nf3 (worse is 25.gf3 Rd5–/+) 25...Rd1 26.Rd1+=) 23...Nc4= 24.Qc4 Rd5 25.Rc1 Rdc5 26.Qc5 Rc5 27.Rc5 Be6?? (27...Kf7 28.Rfc1 Bd7 29.R5c4–/+) 28.Rc2?? (better is 28.Rc6 bc6 29.b7+–) 28...Bd5–/+ 29.Rb1 Qd6 30.Kf2 Kf6 31.g3 Ke7 32.Ke2? Qa3 33.Rbc1? Qb4 34.Rc3 Qb6 35.R1c2? Qb1 36.Kf2 Qh1 37.h4 Qh2 (37...Qh2 38.Kf1 Qg3–+) 0–1. Streich,Bernd – Bartolomaeus,Christian (2200), Leipzig VfB op, 1996. (=1.Nf3 f5 2.b4 d6)

4.g3 g6 5.Bg2 Bg7 6.Bb2 0–0 7.0–0 Qe8 8.Qd3 Kh8 9.Nbd2 e5 10.de5 Ng4 11.Nc4 de5 12.Qc3 Rf7 13.Nfe5 Re7 14.Ng4 fg4 15.Qd2 Nc6 16.Bg7 Rg7 17.Rad1 Be6 18.Qc3 Qe7 19.Bc6 bc6 20.Ne5 Ba2 21.Ng4 Bd5 22.Nf6 Rb8 23.Nd5 cd5 24.Rd5 Rb4 25.Rfd1 Rb8 26.Rd7 Qf8 27.Rc7 (27.Rc7 Kg8 28.Rdd7 Rd7 29.Rd7+–) 1–0. Poley,Vladimir (2395) – Hedman,Erik (2310), Manhems op SWE, 1998. (=1.Nf3 f5 2.b4 d6)

2.Nf3 e5

3.b5 d5 4.Ne5+= Bd6 5.d4 Be5 6.e3?? (better is 6.de5 Be6 7.e3+/–) 6...Bf6–+ 7.Nc3 Ne7 8.Ba3 0–0 9.Bc5 (9.Qf3 Be6–+) 9...b6 10.Bb4 a5 11.Ba3 Ng6?? 12.Be2? Be7 13.Bb2 Bb4 14.a3 Bc3 15.Bc3 c5 16.a4 c4 17.Bh5 Qf6 18.Bg6 Qg6 19.Qf3 Be6 20.h3 Nd7 21.Bb2 Nf6 22.Ba3 Rf7 23.Bd6 Ne4 24.Be5 Raf8 25.0–0 h6 26.Rfb1? Qh7 27.Bh2? g5 28.Rb2 f4 29.ef4 gf4 30.c3 Kh8 31.Qh5 Rf5 32.Qf3 Qg6 33.Re2 Kh7 34.Ra3 Rg8 35.Bf4 Ng5 36.Qg3 Rf4! 37.Re6 Ne6 38.Qg6 (38.Qg6 Rg6 39.Kf1–+). huno – bosyk, kurnik, 2012. (=1.Nf3 f5 2.b4 e5)

3.b5 e4!? 4.Nd4 d5 =.

3.Ne5+= Nc6 4.Bb2 d5 (4...Nf6 5.a3+=) 5.e3+/– Be6? (better is 5...Ne5 6.Be5 Nf6+/–) 6.Bb5+– Qd6 7.Qh5 Ke7 (7...Kd8 8.Bc6 Nf6 9.Qe2 bc6 10.Qa6+–) 8.Qh4 (8.Qg5 Nf6 9.Bc6 bc6+–) 8...Nf6 9.Bc6 Qc6?? (9...bc6 10.Bd4 Ke8+–) 10.Nc6 Kd6 (10...bc6 11.Bf6 gf6+–) 11.Nd4 a6 12.Nc3 (better is 12.Qg3 Kd7 13.Ne6 Ke6 14.Qe5 Kf7 15.Qc7 Be7 16.Bf6 gf6+–) 12...a5 13.Ncb5 Kd7 14.Ne6 Ra6 15.Nec7 a4 16.Qf4 a3 17.Qf5 (17.Qf5 Kd8 18.Bf6 Rf6 19.Qe5+–) 1–0. pierre – cwbw, internet, 2010.

3.Ne5 Bb4

4.e4 fe4? 5.Qh5 g6 6.Ng6 hg6 7.Qh8 +–.

4.e4 Nf6 5.Bc4 Ne4? 6.Qh5 Ke7 7.Qf7 Kd6 8.Qf5 +–.

4.e4 Nf6 5.Bc4 Qe7+= 6.Bb2 d6 7.Nd3 Ba5 8.e5 d5? (better is 8...Nc6!? 9.Qe2 de5 10.Ne5 Ne5 11.Be5 Ne4=) 9.0–0+/– Ng4 10.Bd5 Qh4 11.h3 Nh6 12.Qf3 c6 13.Bb3 g5 14.Nc3 g4 15.Qf4 Bd8 16.Qg3 gh3? (16...Qg3 17.fg3 Na6 18.e6+–) 17.gh3 (better is 17.Qg7!? Rf8 18.Ba3 Be7 19.Be7 Qe7 20.Qh6 hg2 21.Kg2 b5+–) 17...Nf7 (17...Qe7 18.Nf4+–) 18.Ne2 (better is 18.e6 Nh6 19.Nb5+–) 18...Qh6?? (better is 18...Ng5 19.Ndf4 Qh6+/–) 19.e6 Be6 20.Be6 Bh4 (20...Qe6 21.Nef4 Qh6 22.Bh8 Nh8 23.Qg8 Kd7 24.Qh8 Bf6 25.Ne5 Be5 26.Qe5 Qf8+–) 21.Bf7 Kf7 22.Qc7 (22.Qc7 Be7 23.Bh8+–; 22.Bh8?! Bg3 23.fg3 Qh3+–) 1–0. Senechaud,Danny – Lagunov,Anatoly Viktorovich, WK1 Latvian gam corr9498, 1994. (=1.e4 e5 2.Nf3 f5 3.b4 Bb4 4.Ne5)

4.e4 Nf6 5.Bc4 Qe7+= 6.Bb2 d6 7.Nd3 Qe4 8.Qe2 Ba5 9.Nc3 Qe2 10.Ne2 Nbd7 11.Nef4 Nb6 12.Bb3 Rf8 13.h4 (13.0–0–0 c5 14.Rhe1 Kd8 15.Ne6 Be6 16.Be6 c4=) 13...c5–/+ 14.Bf6 Rf6 15.Nh5 (better is 15.Nd5!? Nd5 16.Bd5–/+) 15...Rh6–+ 16.Ndf4 c4 17.Ng7 Kf8 18.Ngh5 d5 (18...cb3?! 19.ab3 (19.cb3? Be6–+) 19...Bb4 20.c3=) 19.c3 d4 (worse is 19...cb3 20.ab3 Bc3 21.dc3+=) 20.Bc2 dc3 21.d4 Bd7 (21...cd3 22.Bd3 Na4 23.Bc2–+) 22.Ng3 Re8 23.Nge2 Nc8 24.a4 Nd6 25.f3 b6 26.Kf2 Be6 27.h5 Kg8 28.d5 Bd7 29.Nd4 Bb4 30.Nfe6 Be6 31.Ne6 Rc8 (31...Rhe6!? 32.de6 Bc5 33.Kg3 Be3+=) 32.Ke3 Kh8 (32...Kf7!?=) 33.Rae1 Rg8 34.Kf2 (34.Re2 Re8 35.Kf4 Kg8+=) 34...Rf6 35.g3 a6 36.Ra1 Rf7 37.Rh4 b5 38.ab5 ab5 39.Ra6 Nc8 40.Rh1 (40.Rd4 Rf6 41.Kg2 Rh6 42.Bf5 Rh5+=) 40...Be7 (40...Bd6 41.Rb1 Bg3 42.Ke3–/+) 41.Nf4 Bc5 42.Kg2 Bd6 43.Ng6 Kg7 44.Nh4 ˝–˝. Senechaud,Danny – Schreyer, GAMBIT REVUE, 1990. (=1.e4 e5 2.Nf3 f5 3.b4 Bb4 4.Ne5)

4.e4 Nf6 5.ef5!? d5 6.Bb5 c6 7.Bd3 =.

4.e4 Qe7

5.Bb2 fe4 6.Qh5 Kf8 7.a3 +=.

5.Bb2 Nf6–/+

6.ef5? d6 –+.

5.Qh5 g6

6.Ng6 Qe4

7.Kd1 Nf6 8.Qh4 Qh4 9.Nh4 Ne4 10.Ke2 0–0 11.d3 Nc3 12.Nc3 Bc3 13.Rb1 Re8 14.Kf3 d6 15.Kf4 =+.

7.Be2 Nf6 8.Qg5 (8.Qh3+= –0.62) 8...Rg8 (8...hg6? 9.Qg6 (9.Qf6?! Rg8=) 9...Ke7 10.Qg7 Ke6 11.Qh8 Qg2 12.Rf1+– (12.Qc8 Qh1 13.Bf1 Qe4 14.Kd1 Qf3 15.Ke1 Bc5–/+); 8...Qc2?? 9.Na3 (9.Nh8 Qc1 10.Bd1 Qb2 11.Bh5 Kf8 12.Qh6 Kg8=) 9...Qe4 10.Nh8+– (10.Qf6?! Rg8 11.Ne5 Rf8+–)) 9.Qf6 hg6 10.Ba3 Qg2 11.Qe5 Kd8 12.Qf6 Ke8 13.Rf1 (13.Qe5!? Kd8 14.Qf6 Ke8 15.Qe5 Kd8=) 13…Nc6 ˝–˝. Senechaud – Clarke, corr, 1990. (=1.e4 e5 2.Nf3 f5 3.b4 Bb4 4.Ne5 Qe7 5.Qh5 g6)

2.Nf3 e6

3.a3 a5 4.b5 b6 5.c4 Bb7 6.g3 Nf6 7.Bg2 Be7 8.0–0 0–0 9.d3 d6 10.Nc3 Qc8 11.e4 (11.Bg5 h6 12.Bf4 e5=) 11...fe4= 12.Ng5 h6 13.Nge4 Ne4 14.Ne4 Nd7 15.Bh3 Nc5 16.Nc5 dc5 17.Bf4 Bf6 18.Re1 The isolani on e6 becomes a target 18...Qd8 19.Rc1 (19.Be6 Kh7 20.Ra2 Bc3+=) 19...e5 (19...Bb2 20.Be6 (worse is 20.Re6 Bc1 21.Bc1 Qd4+=) 20...Kh7 21.Rc2 Ba3 22.Qg4=) 20.Be5+= Be5 21.Re5 Qd4 Threatening mate: Qxf2 22.Re3 Rae8 23.Qd2 Bf3 24.Re8 Re8 25.Re1 Re5 26.Re3 Qa1 27.Bf1 Re3 28.Qe3 Bb7 29.Qe6 Kh8 30.Qf7 Qd1 31.h3 Kh7 32.g4 Bf3 33.Qf5 Kh8 34.Kh2 c6 35.bc6 Bc6 36.Bg2 Bg2 37.Kg2 Qb3 38.h4 White prepares g5 38...Qa4 39.g5+– Qc6 40.Qe4 Qd6 41.f4 Qd7 42.Kg3 hg5 43.hg5 Kg8 44.Qd5?? Qd5–/+ 45.cd5 b5 46.f5 (46.f5 b4 47.d6+–) 1–0. Woelfelschneider,Peter – Baeumer, 2010.

3.a3 Qf6 4.d4+= Nc6 5.b5 Na5 6.Bg5 Qg6 7.Qd3 Be7 8.Bf4 Nf6 9.Bc7 b6 10.Ne5 Qh6 11.Nc3 0–0 12.d5 d6 13.Nc4 Nc4 14.Qc4 e5 15.Rd1 Bb7–+ 16.h3 Rfc8 17.Na2 Bd8 18.Nb4 Bc7 19.Nc6 Bd8 20.Qb4 Ne8 21.c3 a6 22.ba6 Ra6 23.e4 fe4?? 24.Nd8+= Rd8 25.Ba6 Ba6 26.Qb6 Ra8 27.Qc6= Rc8 28.Qa6+– Rc3 29.Qa5 Rc8 30.0–0 Qf6 31.Qb4 Nc7 32.Rc1 Kf7 33.Rc6 Nd5 34.Qb7 Qe7 35.Qc8 e3 36.fe3 Kg6 37.Rd1 Ne3 38.Rdd6 Kh5 39.Qa6 g6 40.Qd3 Qg5 41.g4 (41...Ng4 42.hg4 Qg4 43.Kh2 Qh4 44.Qh3+–) 1–0. orane – rumrunner, internet, 2003.

3.a3 g5 4.Bb2+/– Nf6 5.Ng5 Bh6 6.h4 Rg8 7.Nf3 (7.e4 Bg5 8.hg5 Rg5+–) 7...Ng4 8.e3 f4? (8...d6 9.d4+/–) 9.Be2 (better is 9.Ng5!? Rg5 10.hg5 Qg5 11.ef4 Qf4 12.Qf3+–) 9...fe3+/– 10.de3 Bg7 11.Bg7 Rg7 12.Ng5 Qf6 13.Bg4 (better is 13.Qd4!? Nc6 14.Qf6 Nf6 15.b5+/–) 13...Qa1= 14.Bh5 Ke7 15.0–0 h6 16.Nf3 Rg8 (16...Qf6 17.Qd4+=) 17.Qd4 (17.c3 Qb2 18.Qd3+–) 17...Qa2?? (better is 17...Qd4 18.ed4 d6+=) 18.c4 (better is 18.Nc3 Qb2 19.Nd5 ed5 20.Qb2+–) 18...Nc6 (better is 18...Qc2!? 19.Qc5 Kd8+/–) 19.Qf4 Qb2?? 20.Qf7 Kd6 21.Qg8 Ne7 22.Qg3 Kc6 23.Nd4 Kb6 24.c5 Ka6 25.Be2 b5 26.Bb5 Kb7 27.Qf3 d5 28.cd6 Nd5 29.Bc6 Kb8 30.Ba8 Ka8 31.Ne6! Be6 32.dc7 Kb7 33.e4 Nb6 34.Qc3 Qe2 35.Rc1 Nc4 36.c8Q! Kc8 37.Nd2 Kd8 38.Nc4 Bc4 39.Qc4 Qc4 40.Rc4 Ke7 41.Rc6 Kd7 42.Rh6 Ke7 43.e5 Kf7 44.f4 (44.f4 Ke7 45.h5 Kf8 46.Rf6 Ke8 47.h6 a6 48.h7 Ke7 49.h8Q a5 50.Qg7 Ke8 51.Rf8) 1–0. Fournier,Frederic (1980) – NN, jeu.europe–echecs.com, 2013. (=1.Nf3 e6 2.a3 f5 3.b4 g5)

3.Bb2 Bb4?? 4.Bg7 Nc6 5.Bh8 +–.

3.Bb2 Nf6 4.a3 Be7 =.

3.b5 d5 4.Bb2 Bd7 5.e3 Bc8 6.c4 Bd7 7.Be2 dc4 8.Bc4 c6 9.a4 a6 10.0–0 cb5 11.ab5 Ne7 12.ba6 Qb6 13.Qc2 Ng6 14.ab7 Ra1 15.Ba1 Qb7 16.d4 Qc6 17.Nbd2 Bd6 18.Rb1 0–0 19.Ng5 Be7? 20.Ngf3?? Rc8?? 21.Qb3 Bf8? 22.Ng5 Be7 23.Ne6 Qc4 24.Nc4 Be6 25.Qb8 Rb8 26.Rb8 Nf8 27.Ne5 Bf6 28.Bc3 g5 29.Bb4 Bg7 30.Nc6 Kf7 31.Bf8 Bf8 32.Ne5 Kg7 33.Rb7 Kh8 34.Rb8 Kg7 35.Rb7 Kh8 36.Ra7 Bd6 37.Ra6 Be5 38.Re6 Bc7 39.Rf6 f4 40.e4 Kg7 41.Rc6 Bb8 42.e5 h5 43.e6 Kf6 44.d5 Ba7 45.Ra6 Bc5 46.Rc6 Bd4?? 47.Rc7+– g4 48.e7 Kf7 49.d6 g3 50.hg3 fg3 51.Kf1 Bf6 52.fg3 h4 53.gh4 Bh4 54.Rc8 Be7 55.de7 Ke7 56.Rc4 Kd6 57.Rf4 Ke6 58.Rf3 Kd5 59.g4 Ke4 60.Kf2 Kd4 61.g5 Ke4 62.g6 Kd4 63.g7 Ke5 64.g8Q Ke4 1–0. Bonetti,Shane – MacChess 5.0, 2000.

3.b5 Nf6 4.c4 b6 5.e3 Bb7 6.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

3.a3 Be7

4.Nc3 Nf6 5.Bb2 0–0 6.e3 b6 7.Be2 Bb7 8.0–0 c5 9.bc5 bc5 10.Rb1 Nc6 11.d4 d5 12.dc5 Bc5 13.Na4 Bb6 14.c4 Ba6 15.c5 Be2 16.Qe2 Bc7 (17.Qa6 Qe8=). Hrdy – Nielsen, corr ICCF TT–4–90, 1990.

4.e3 Nf6 5.d4 0–0 =.

4.e3 Nf6 5.Be2 0–0 6.d4 =.

4.g3 Nf6 5.Bg2 a5 6.b5 c6 7.Nc3 Ne4 =.

4.g3 Nf6 5.Bg2 a5 6.b5 d5 7.d4 =.

4.d4 Nf6

5.Bb2 0–0 6.e3 d6 Covers e5 (6...b6 7.Bd3=) 7.Bc4 Ne4 8.Nbd2 d5 9.Be2 Nd7 10.0–0 Ndf6 (10...Nb6 11.Re1=) 11.Ne5 The white knight is well posted. 11...Nd2 12.Qd2 Ne4 Black threatens to win material: Ne4xd2 13.Qd3 (13.Qc1 Bd7=) 13...Bf6 14.Rad1 (14.f3 Ng5+=) 14...Nd6 15.Qb3 b5 16.a4 a6 17.ab5 ab5 18.Ra1 Ra1 19.Ra1 Nc4 20.Bc3 Qe8 21.Ra7 Be5 22.de5 White has the pair of bishops 22...Qc6 23.g3 Bb7 24.Bd4 Ra8 25.Qa2 h6 26.Ra8+/– Ba8 27.Bh5 Bb7 28.Qa7 Bc8 29.Bg6 Nd2 30.Qb8 Qb7 31.Qb7 White has a mate threat 31...Bb7 A minor pieces endgame occured 32.Kg2 Bc6 33.f3 Prevents intrusion on e4 33...Nc4 The black knight on an outpost 34.h3 Bd7 35.g4 fg4 36.hg4 Kf8 37.Kg3 Ke7 38.Bc5 Kd8 39.f4 Be8 Black threatens to win material: Be8xg6 40.Bd3 g6 Secures f5 41.Kf2 Bf7 42.Bf8 h5 43.gh5 gh5 Black has a new passed pawn: h5. 44.Bc5 Here comes the goal–getter 44...Nd2 45.Bb5 Ne4 Menacing 46.Kg2 Bg6 47.Bf8 Bf5 48.Be2 White threatens to win material: Be2xh5 48...Ke8 49.Bh6 Bg4 Black threatens to win material: Bg4xe2 50.Bb5 Kf7 51.Bd3 Bf5 52.Bg5 c6 Consolidates b5 53.Bh4 Ke8 54.Be1 Kd7 55.Kh2 Kc7 56.Bf1 Kd7 57.c4 dc4 58.Bc4 Kc7 59.Be2 Bg4 60.Bd3 Bf3 61.Bh4 Kd7 62.b5 Kc7 63.bc6+/– Kc6 ˝–˝. Blanco Perez,David (2180) – Ramos Suria,Felix (2170), Dos Hermanas FM Elo, 2001. (=1.d4 f5 2.Nf3 Nf6 3.b4 e6 4.a3 Be7)

5.c4 0–0 6.e3 Qe8 7.Bb2 Nc6 8.d5 Nd8 9.Nc3 d6 10.Rc1 a6 11.de6 c6 12.Bd3 Be6 13.Ne2 Nd7 14.Qc2 Bf6 15.Nfd4 g6 16.Nf4 Ne5 17.Be2 Bf7 18.0–0 Ne6 19.Rfd1 Qe7 20.a4 Rfc8 21.Qb1 Nf4 22.ef4 Nd7 23.Bf3 Nb6 24.Re1 Qd8 25.Ne6 Be6 26.Re6 Bb2 27.Qb2 Qd7 28.Qf6 Rf8 29.Qe7 Qe7 30.Re7 Rf7 31.Re6 Na4 32.Rd6 Nb6 33.b5!+/– ab5 34.cb5 Nc8 35.Rd8 Rf8 36.Rd7 Rf7 37.Rf7 Kf7 38.bc6 bc6 39.Bc6 Ra7 40.Bd5 Kf6 41.g4 Ne7 42.g5 Kg7 43.Bb3 Rb7 44.Rc3 Rb4 45.Bc4 Nc8 46.f3 Ne7 47.Kg2 Rb2 48.Kg3 Rd2 49.Re3 Rd7 50.Ra3 Rc7 51.Be6 Rc6 52.Ba2 Rc7 53.Ra8 Rd7 54.Re8 Ra7 55.Be6 Rb7 56.Kf2 h5 57.h4 Rc7 58.Ke3 Nc6 59.Kd3 Na7 60.Rb8 Nc6 61.Rg8 Kh7 62.Re8 Kg7 63.Ke3 Ra7 64.Bd5 Nb4 65.Bc4 Rc7 66.Be6 Nc2 67.Kd3 Ne1= 68.Ke2 (68.Ke2 Ng2 69.Bb3=) 1–0. Slobodjan,Roman (2520) – Bocksberger,Stefan (2315), Bayern–chI Bank Hofmann 6th, 2002. (=1.d4 f5 2.Nf3 Nf6 3.b4 e6 4.a3 Be7)

5.e3 0–0

6.Be2 a5 7.b5 d6 8.a4 Kh8 9.Bb2 c6 10.c4 Nbd7 11.0–0 Ne4 12.Nbd2 Bf6 13.Ne4 fe4 14.Nd2 d5 15.cd5 cd5 16.Nb3 b6 17.Qc2 Bb7 18.Rac1 Rc8 19.Qb1 Qe7 20.Qa2 Rc1 21.Rc1 Rc8 22.Rc8 Bc8 23.Nd2 h6 24.Ba3 Qe8 25.Qc2 Nf8 26.Qc6+/– Qc6 27.bc6 Ng6 28.Bd6 Bd8 29.c7 Be7 30.Be7 Ne7 31.Nb1 Bd7 32.Nc3 Nc8 33.Bb5 Bb5 34.Nb5 Kg8 35.f3 ef3 36.gf3 Kf7 37.e4 Ke7 38.ed5 ed5 39.Nc3 Kd6= 40.Kf2 Ne7 41.Nb5+/– Kc6 42.Ke3 Nc8 43.Kf4 Ne7 44.Ke5 Kd7 45.f4 Ng6 46.Kf5 Ne7 47.Kg4 Nc6 48.h4 Ne7 49.h5 Nc6 50.Kf5 Ne7 51.Ke5 Nc6 52.Kd5+– Nb4 53.Ke5 Na6 54.d5 Nc7 55.Nc7 Kc7 56.Ke6 Kd8 57.Kf7 b5?? 58.ab5 a4 59.Kg7 a3–+ 60.b6 a2 61.b7 Kc7 62.d6 Kb7 63.Kh6 a1Q 64.Kg6 Qd4 65.f5 Qd6 66.f6 Qg3 67.Kf7 Qh4 68.Kg6 (68.Kg6 Qg4 69.Kh6–+). winelight (1610) – tlaloc538, kurnik, 2011. (=1.d4 e6 2.e3 f5 3.a3 Nf6 4.Nf3 Be7 5.b4 0–0)

6.Bd3 a5

7.b5 c5 8.0–0 =.

7.b5 c6

8.Nc3 d5

9.0–0 c5 10.dc5 Bc5 11.Bb2 =.

4.e3 a5

5.b5 d6 6.d4 =.

5.b5 Nf6

6.d4 b6 =.

6.Be2 0–0

7.0–0 d5 8.d4 =.

7.0–0 c6

8.Nc3 d5 =.

3.c3 Nf6

4.d3 b6 5.Bg5 Be7 6.e4 fe4 7.Bf6 Bf6 8.de4 Bb7 9.e5 Be7 10.Bd3 0–0 11.Qc2 h6 12.Bh7 Kh8 13.Be4 Be4 14.Qe4 Nc6 15.b5 Na5 16.Nbd2 d5 17.ed6 Bd6 18.0–0 Qf6 19.Rfe1 Rae8 20.c4 Bb4 21.Rad1 Qf5 22.Qe2 e5 23.Rb1 Bd6 24.Ne4 Qf7 25.Rbc1 Bb4 26.Red1 Nb7 27.a3 Ba3 28.Ra1 Qe7 29.Rd5 Bd6 30.Ra7 Rb8 31.Qe3 Qe6 32.Nd6 Nd6 33.Qe5 Qe5 34.Ne5 Rfe8 35.Rc7+– Rbd8 36.f3 Nf5 37.Rd8 (37...Rd8 38.Nf7 Kg8 39.Nd8+–) 1–0. Trkn – guest5052, ICC, 2004.

4.d4 b6 5.e3 Bb7 6.Be2 =.

4.d4 b6 5.e3 Be7 6.Bd3+= Bb7 7.0–0 0–0 8.Na3 a6 9.Bb2 Qe8 10.Qe2 Qh5 11.Ne5 Qh6 12.Nac4 d6 13.Nf3 Nbd7 14.a4 g5 15.Rfc1 Be4 16.Ne1 d5 17.Ne5 Ne5 18.de5 Ng4 19.h3 Ne5 20.Be4 fe4–+ 21.c4 Nc4 22.Rc4 dc4 23.Qc4 Qg6 24.Qc7 Bb4 25.Qb6 Be7 26.Be5 Qf5 27.f4 gf4 28.ef4 Rfc8 29.Kh1 Rc4 30.Rd1 Qf7 31.Qb7 Rd8 32.Rd8= Bd8 33.Qb3 Rc6 34.Qb4 Bh4 35.Kh2 Qa7 36.Bb2?? Qb6 37.Qb6 Rb6 38.Bc3 Rb1 39.g3 Bg3 40.Kg3 Rb3 41.h4 Rc3 42.Kf2 Ra3 43.a5 Ra5 44.Ke3 Ra1 45.Nc2 Rh1 (46.Nb4 a5–+ (46...Rh4?! 47.Na6 Rh1 48.Nc5–+)) 0–1. Gross,Gerald – Moeller Nielsen, corr 3GMM–44, 1996.

4.d4 b6 5.Bg5 Bb7 +=.

4.d4 Be7 5.Bf4 =.

4.d3 Be7

5.e3 d5 =.

5.b5 a6

6.Qa4 d5 7.d4 =.

6.Qa4 0–0

7.Nbd2 b6 8.d4 =+.

7.e4 c6 8.bc6 b5 9.Qc2 Nc6 =.

7.e4 fe4 8.de4 d5 9.Nbd2 =+.

5.Nbd2 a5

6.b5 c6 7.Qa4 d5 =.

2.Nf3 Nf6

3.a3 e6 4.Bb2 d5 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3 d5 5.Nf3).

3.a3 e6 4.Nc3 d6 5.g3 e5 6.Bg2 (6.d4 ed4 7.Qd4 Nc6 8.Qf4 d5 9.Nb5 Bd6 10.Nd6 cd6 11.Bg2 0–0) 6...e4 (6...Be7 7.0–0 0–0 8.d3 a6 9.Bb2 Nc6 10.Qd2 Bd7 11.Rad1 Qe8) 7.Nd4 Bd7 (7...c5!? 8.Nb3 c4+= 9.Nd4 Qb6 10.e3 Nc6 11.Nc6 bc6; 7...a5 8.b5 c5 9.bc6 Nc6 10.Nc6 bc6 11.0–0 d5) 8.d3+/– d5 (8...c5 9.Nb3 cb4 10.ab4 d5 11.b5 Bb4) 9.de4 fe4 (9...de4 10.0–0 Nc6 11.Bf4 Kf7) 10.Bg5 Bc6? (better is 10...Be7 11.Bf6 Bf6 12.Nd5 Nc6+/–; 10...c6 11.0–0 Be7) 11.b5+– Bd7 12.Nd5! Be6 (12...Nd5 13.Bd8 Pinning (13.Bd8 Deflection)) 13.Ne6 Nd5 14.Bd8 Nc3 15.Nc7 Kf7 16.Qd4 Nb5 17.Qd5 Kg6 18.Be4 Kh6 19.Qg5 1–0. erneste – galen, internet, 2011.

3.a3 g6 4.d4 Bg7 5.Bf4 0–0 (5...d6 6.e3=) 6.e3+= c6 7.Be2 h6 8.0–0 (8.Ne5 g5 9.Bg3 d6=) 8...g5 (8...d6 9.Nbd2+=) 9.Bb8+= Rb8 10.c4 d5 (10...d6 11.Qa4 a6 12.c5+=) 11.Nc3 Be6 12.c5 Bf7 13.Qa4 a6 (13...Ne4 14.Rfc1+=) 14.Ne5 Ne4 15.Ne4 fe4 16.Bg4 Be5 17.de5 Bg6 (17...Qc7 18.e6 Bg6 19.Rad1=) 18.Qd1 Qe8 19.Be6 (19.a4 Bf5+=) 19...Kg7 (19...Bf7 20.Qg4+=) 20.Qg4 b5 (20...Bh5!? 21.Qh3 Rd8+=) 21.Bd7+/– White gets the initiative 21...Qd8 (21...Qf7!? 22.Bc6 e6+/–) 22.Bc6+– Qc7 (22...Bf5 23.Qe2+–) 23.Bd5 Qe5 24.Rad1 Rbd8 (24...Bf5 25.Qe2+–) 25.Bb7 Rd1 26.Qd1 Qe6 27.Qd4 Kh7 28.c6 Qc4 29.Qc4 bc4 30.Ba6 Be8 31.b5 Rf5 32.c7 Bd7 33.b6 Rc5 34.b7 (34.b7 Rc7 35.b8Q+–) 1–0. pozarski (1965) – NN, GameColony.com, 2002.

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.Nf3).

3.Bb2 d6 4.e3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.Nf3 Nf6).

3.Bb2 e6 4.a3 d5 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3 d5 5.Nf3).

3.Bb2 e6 4.a3 Be7 5.e3 0–0 6.c4 (--> 1.b4 f5 2.Bb2 Nf6 3.c4 e6 4.a3 Be7 5.Nf3 0–0 6.e3).

3.Bb2 e6 4.b5 d5 5.e3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3 Nf6 5.b5).

3.Nc3 e6 4.a3 d5 =.

3.c4 e5 4.Ne5 Bb4 5.Qb3 =.

3.c4 e6 4.Qb3 d5 5.e3 a5 6.b5 Ne4 7.cd5 ed5 8.Bb2 a4 9.Qc2 Nd7 10.Be2 Bd6 11.d3 Bb4 12.Nfd2 Nd2 13.Nd2 0–0 14.Bf3 Nb6 15.Be5 Bd6 16.Bd6 Qd6 17.0–0 Bd7 18.Rfc1 Rfc8 19.Qc5 Ra5 20.Rab1 Qc5 21.Rc5 c6 22.h3 Kf7 (23.bc6 Rc5 24.cb7 Rb8 25.Rb6 Ke7+=). Steinutz (1830) – JanP (2515), ChessWorld.net, 2003.

3.c4 e6 4.Qb3 Be7 5.e3 0–0 6.Be2 c6 7.Bb2 a5 8.b5 c5 9.Nc3 b6 10.–0 d6 11.d4 Re8 12.Rfd1 Qc7 13.Nd2 Bb7 14.Bf3 Bf3 15.Nf3 Nbd7 16.a4 Rad8 17.Ne2 Nf8 18.Nf4 Ne4 19.dc5 Nc5 20.Qc2 Ng6 (20...Nfd7 21.Nh5 Ne5 22.Ne5 de5 23.f4=) 21.Nd3 (21.Ng6 hg6 22.Nd4 Bf6+=) 21...Nd3= 22.Qd3 Ne5 23.Ne5 de5 24.Qe2 e4 25.f4 (25.Rac1 Rd1 26.Qd1 Rd8=) 25...ef3+= 26.gf3 Rc8 27.Qg2 (27.Kh1 Qc4 28.Qc4 Rc4+=) 27...Bc5–/+ 28.Rd3 Rcd8 29.Rad1 Rd3 (29...Be3 30.Kh1 Rd3 31.Rd3–/+) 30.Rd3 f4 31.Bd4 e5 32.Bc5 Qc5 33.Qe2 Qc4 34.ef4 Qa4 35.fe5 Qa1 36.Qd1 Qd1 37.Rd1 Re5 38.Rb1 Kf7 39.Kf2 Kf6 40.f4 Re4 41.Rc1 Rf4 42.Ke3 Kg5 43.Rc6 Rf6 44.Kd4 Kg4 45.Kd5 Kh3 46.Rc2 Rg6 47.Re2 Rf6 48.Rc2 Kg4 49.Rc6 Kf3 50.Rc2 Ke3 51.Rc6 Kd3 52.Rc1 Rh6 53.Rc6 Rh5 (53...Rh5 54.Kd6 Rb5–+) 0–1. Thalmann,Frank (1840) – Verfuerth,Christian (1915), Ruhrgebiet VK2, 2005. (=1.Nf3 f5 2.b4 Nf6)

3.c4 e6 4.Qb3 Be7 5.g3 0–0 6.Bg2 d6 (6...Nc6!?=) 7.0–0+= e5 8.Nc3 Kh8 (8...e4 9.Nd4+=) 9.d3 Qe8 (9...a6 10.Nd5+=) 10.a4 (10.Be3 Nc6+/–) 10...Nc6 (10...a5 11.b5+=) 11.b5 Nd8 12.a5 Qh5 (12...Ne6 13.a6+=) 13.a6 f4 14.ab7 Nb7 (14...Bb7 15.Nd5 Bd5 16.cd5 Nb7+/–) 15.Nd5 (better is 15.Qc2!?+/–) 15...Nc5= 16.Qc2 Nd5 17.cd5 fg3 18.fg3 Bd7 (18...Bb7 19.e4=) 19.Ra5 Nb7 20.Ra3 Nc5 21.Qa2 e4 (21...Bb5 22.Ra7 Rab8 23.Rc7=) 22.de4+= Bb5 (22...Ne4? 23.Re3 Bf5 24.Qc4+–) 23.Nd4 Rf1 24.Bf1 Bd7 25.Ra7 Rc8 (25...Ra7 26.Qa7 Bf6 27.Nf3 Ne4 28.Qc7+=) 26.Bg2+/– Ne4 27.Be4 Qe5 28.Bf3 Qd4 29.Kg2 Bf6 30.Ra8 Qb6?? (better is 30...Qe5+=) 31.Rc8+– Bc8 32.Qa4 c6 33.dc6 h6?? (33...Qc7+–) 34.c7! Kh7 (34...Qc7 35.Qe8 Mate attack) 35.Qe8 (35.Qe8 Qb7 36.Be4 Bf5 37.Bb7 h5 38.Qh5 Kg8 39.Bd5 Be6 40.c8Q Bd8 41.Qd8; 35.Be4 g6 36.Qe8 Bf5 37.Bf5 Qc6 38.Qc6 gf5 39.c8Q f4 40.Q6d7 Be7 41.Qe7 Kg6 42.Qg4) 1–0. Hovhanisian,M (2505) – Froeyman,H (2310), Leuven BEL, 2013. (=1.Nf3 f5 2.b4 Nf6)

3.c4 e6 4.b5 a6 +=.

3.c4 g6 4.Bb2 Bg7 5.d4 0–0 6.Nbd2 c6 7.e3 a5 8.a3 d6 9.Qb3 Kh8 10.Be2 ab4 11.ab4 Ra1 12.Ba1 Be6 13.0–0 b5 14.Bb2 Na6 15.Ra1 Nc7 16.h3 Qb8 17.Ra5 bc4 18.Bc4 Bc4 19.Qc4 Qb7 20.Nb3 Nfd5 Attacking the isolated pawn on b4 21.Bc3 Nc3 22.Qc3 Nd5 23.Qc4 Rb8 24.Kh2 Bf6 25.Nfd2 Nb4 26.Qe6 Qc7 27.g4 fg4–/+ 28.hg4 c5 29.Kg2 cd4–+ 30.Ne4 Nc6 31.Nf6 Na5 32.Nd5 Qc8 33.Qe7?? Qg4 34.Kh2 Qh5 35.Kg3 Qd5 36.Na5 Qe5 37.Qe5 de5 38.ed4 ed4 39.Nc6 d3 40.Kf3 Re8 0–1. Machala,V (1960) – Sondermann,J (2145), Open, Teplice CZE, 2009. (=1.Nf3 f5 2.b4 Nf6)

3.c4 g6 4.Nc3 Bg7 5.Bb2 d6 6.d4 0–0 7.d5 (7.e3 c5 8.bc5 dc5+=) 7...a5 (7...e5 8.e3=) 8.b5 (8.a3 Ne4 9.Qc1 e6=) 8...e5 (8...Ne4 9.Qc2=) 9.de6 (9.e3 Nbd7=) 9...Be6 10.e3. Gonzalo,Omar – Gandolfo,Marco, IECC, 2002.

3.c4 g6 4.d4+= Bg7 5.e3 d6 6.Nc3 (6.Be2 0–0+=) 6...Ne4 (6...0–0 7.c5=) 7.Bb2+= 0–0 8.Be2 e6 9.0–0 b6 10.Qb3 Bb7 11.d5 e5 (better is 11...a5!?=) 12.Ne4+/– fe4 13.Nd2 c5 (13...Qh4 14.Qc2+/–) 14.bc5+– dc5 15.Bg4 Qh4 16.Be6 Kh8 17.f4! ef3? (17...Qf4 18.ef4) 18.Nf3 (18.Rf3?! Na6 19.Raf1 Rfe8+–) 18...Qe4 (18...Rf3 19.Rf3 Na6+–) 19.Ng5 Rf1 (19...Re8 20.Ne4 Re6 21.Rf7 Bd5 22.Qd3+–) 20.Rf1 Qe3 21.Qe3 (21.Qe3 Nd7 22.Nf7 Kg8 23.Ne5 Kh8 24.Ng6 hg6 25.Qh6) 1–0. pierre – hairypoet, chess.com, 2007.

3.d3 d6 4.Nbd2 (4.d4 Nbd7=) 4...e5 5.e4 fe4 (5...Be7 6.c3=) 6.de4 Bg4 (6...d5 A) 7.Ne5 Bb4 (7...Ne4? 8.Ne4 Be6 9.Nc5 Bc5 10.bc5+–; 7...de4?! 8.c3=) 8.ed5 Bc3 (worse is 8...Nd5 9.Qh5 Ke7 10.Qf7 Kd6 11.Bb2+/–; 8...Qd5?! 9.Nef3+=) 9.Bb5 Kf8 10.Ba3 Kg8+=; B) 7.c3=) 7.h3 Bh5 8.c3 c6 9.Be2 Be7 10.0–0 0–0 11.Ng5 Be2 12.Qe2 Qd7 13.Rd1 h6 14.Ngf3 Qe6 15.Nh4 d5 16.Ng6 Re8 17.ed5 Nd5 (17...cd5 18.a3=) 18.Ne7+= (18.Ne5? Bd6 (18...Nc3?! 19.Qh5 g6 20.Ng6–/+) 19.Re1 Be5–+) 18...Re7 19.Ne4 Nd7 20.Bd2 (20.c4 Nf4 21.Qc2 Qg6 22.Bf4 ef4=) 20...Rf8 21.a4 N7f6 22.Re1 Qf5 23.Ng3 Qg6 24.c4 Nc7 25.Rad1 Rfe8 26.a5 b5 27.ab6 ab6+= 28.Be3 White gets the initiative 28...b5 29.Bc5 Re6 30.Bd6 The pressure on the isolated pawn grows 30...Nfd5 31.Bc7 Nc7 32.Ne4 bc4 33.Qc4 Nd5 34.Nc5 Nf4 35.g3 Nh3 36.Kg2 Nf4 37.Kf1 Nd5 38.Ne6 Qe6 39.Rc1 Rc8 40.b5+– c5 41.Kg2 g5 42.Kg1 Kg7 43.Red1 Nf4 44.gf4 Qg4 45.Kf1 gf4 46.Qd5 (46.Qd5 Qh3 47.Ke1+–) 1–0. Rosner,Dirk – Soliman,Samy, CiF, 2002.

3.d3 e5 4.Ne5 Bb4 5.c3 =.

3.d3 e6 4.Ba3 (4.c3 Be7=) 4...Be7 5.e3 0–0 6.b5 (6.Be2 a5 7.b5 Ba3 8.Na3 Qe7=+) 6...Ba3 7.Na3 b6 8.c4 Bb7 9.Be2 c6 10.0–0 cb5 (10...Qe7 11.Qb3=) 11.cb5 d6 (11...a6 12.Qb3=) 12.Nc4 Qe7 13.Qb3 Nbd7= 14.Ncd2 Nc5 15.Qc4 Bd5 16.Qh4 Qf7 17.d4 Nce4 18.Ne4 fe4 19.Ng5 Qg6 20.f3 h6 21.Ne4+= Ne4 22.fe4 Be4 23.g3 Rf1 24.Rf1+= Rf8? 25.Rf8+– Kf8 26.Bh5 Qf6?? 27.Qf4 Qf4=+ 28.gf4 Bd3 29.Bf3 Bb5–/+ 30.e4 Ke7 31.Kf2 g5 32.Ke3 gf4–+ 33.Kf4 Bc4 34.a3 Kf6 35.e5–/+ de5 36.de5=+ Kg6 37.h4 a5 38.h5 Kg7 39.Ke3 Kf7 40.Kd4 Ba6 41.Kc3 Ke7 42.Kd4 Kd7 43.Bg4 b5 44.Kc5 a4?? 45.Kb6?? b4!–+ 46.ab4 a3 47.b5 Bb5! 48.Kb5 a2 49.Bf3 a1Q 50.Bc6 Kc7 0–1. pinecrest1981 – weezer55, Live Game Caissa's Web, 2004.

3.d4 g6 4.e3+= Bg7 5.Bd3 0–0 6.0–0 d6 7.Bb2 Qe8 8.a3 Be6 9.c4 Nbd7 10.Nc3 Bf7 11.Qb3 e5 12.Nb5 e4 13.Nc7 Qc8 14.Na8 ed3 15.Rfc1 (15.Nd2=) 15...Ne4 16.Qd3+= Qa8 17.Rab1 Ndf6 18.Rc2 b6 19.b5 Qd8 20.Rd1 d5 21.c5–/+ g5 22.Ne5 Ng4 23.c6 Qc7 24.f4 gf4 25.ef4 Bh6 26.Rf1 Be6 27.Bc3 Kh8 28.Qh3 Bg7? 29.Ng6+– Kg8 30.Nf8 Bf8 31.Bb4 Bb4 32.ab4 Nd6 33.Re1 Bf7 34.Qg3 Kh8 35.Qd3 Bg6 36.Rce2 Ne4 37.g3 Bh5 38.Qa3 Ngf6 39.Ra2 Qg7 40.Qa7 Qg4 41.Qb8 Kg7 42.c7 Qh3 43.c8Q Bf3 44.Ra7 Kg6 45.Qg8! 1–0. b4_player (2165) – sakkozof (1705), GameColony.com, 2002.

3.g3 c6 4.Bb2 Qb6 5.a3 a5 6.Bd4 Qc7 7.c4 d6 8.Bg2 e5 9.Bc3 Ne4 10.0–0 Nc3 11.Nc3 Be6 12.d3 White prepares the advance b5 12...Be7 13.b5 Bf6 14.e4 0–0 15.bc6 bc6 (worse is 15...Qc6 16.ef5 Bc8 17.Ng5+/–) 16.Rb1 Nd7 17.Qc2 Rab8 18.Nd2 f4 (18...Bg5 19.Rb8 Rb8 20.ef5 Bf5 21.Nde4+=) 19.Rb8 Rb8 20.Rb1 (20.gf4 ef4 21.Ne2 g5+=) 20...g5 (20...Rb1!? 21.Qb1 fg3 22.hg3 Qa7–/+) 21.Rb8+= Qb8 22.Qb3 Qc7 23.Na4 g4 24.f3 Qa7–+ (24...Qa7 25.Kh1 Qf2–+) 0–1. Socoteanu,Mihai (2155) – Grunberg,Florin (2200), Centrocoop Sept op, 1999. (=1.Nf3 f5 2.b4 Nf6)

3.d4 e6

4.a3 d5 5.Bb2 Bd6 6.Nbd2 0–0 7.g3 Nbd7 8.Bg2 Ne4 9.0–0 Ndf6 10.e3 Nd2 11.Nd2 Bd7 12.c4 dc4 13.Nc4 Bb5 14.Rc1 c6 15.Re1 Bc4 16.Rc4 Nd5 17.e4 fe4 18.Be4 Qg5 19.Bc1 Qf6 20.Rc2 Rae8 21.Rce2 (21.Qg4 Nc3=) 21...g6 (better is 21...Nc3 22.Bh7 Kf7–/+) 22.Bd5+= cd5 23.Qd3 e5? (better is 23...Rf7=) 24.de5+/– Be5?? (better is 24...Re5 25.Bb2 d4+–) 25.Qd5+– Kg7 26.Qb7 (better is 26.Bf4 Bf4 27.Re8 Bd6 28.Rf8 Bf8 29.Qb7 Qf7 30.Qf7 Kf7+–) 26...Rf7 27.Qg2 Rfe7 28.Qh3 Bd4? (28...h5 29.Be3 Bc3 30.Rd1+–) 29.Qh6 (better is 29.Re7 Re7 30.Re7 Qe7 31.Bh6 Kf7 32.Be3+–) 29...Kg8+/– 30.Re7?? (30.Be3 Qf7 31.Qg5+– (31.Bd4?! Re2 32.Re2 Re2+=)) 30...Qf2 31.Kh1 Qf3# 0–1. beblo – jantchinger, kurnik, 2011. (=1.d4 f5 2.Nf3 Nf6 3.b4 e6 4.a3)

4.a3 d5 5.Bg5 Bd6 ˝–˝. Arkell,Keith C (2460) – Rendle,Thomas E (2380), The Four Nations Chess League, 2012. (=1.d4 f5 2.Nf3 Nf6 3.b4 e6)

4.a3 Be7 (--> 2.Nf3 e6 3.a3 Be7 4.d4 Nf6).

4.a4 Bb4 5.Bd2 a5 6.c4 c5 (6...0–0 7.e3–/+) 7.Bb4+= cb4 8.e4? (better is 8.e3+=) 8...fe4–+ 9.Nh4? (9.Ng5 h6 10.Nh3 0–0–+) 9...0–0 (9...g5 10.g4 gh4 11.g5–+) 10.Nd2 (10.g4 Ne8 11.Ng2 Qf6–+) 10...d5 (10...g5!? 11.g4 gh4 12.g5–+) 11.Qg4 (11.g3–+) 11…Qe7 (11...Qe7 12.Qg5 Nc6–+) 0–1. jbbrown – gregorgysi (1745), net–chess.com, 2001. (=1.d4 f5 2.b4 Nf6 3.Nf3 e6)

4.c3=.

4.Bg5 Bb4 5.c3 Ba5 6.Na3?? c6 7.Nc4? Bc7?? 8.Bf6 Qf6 9.e3 0–0 10.Qb3 Kh8 11.Bd3 b5 12.Nb2 a5 13.0–0 d6 14.Rae1 Nd7 15.e4 a4 16.Qc2 Bb7 17.e5? de5–+ 18.de5 Be5 19.Ne5 Ne5 20.Qe2 Ng4 21.Qe6 Qh4 22.h3=+ Nh6 23.Re3 c5 24.Rg3?? f4–+ 25.Rg4 Qg4 26.hg4+– Rae8 27.Qd7 Bg2 28.Re1 Rd8?? 29.Qb5+– Rd3 (30.Nd3 f3+–; 29...a3 30.Na4 Bd5 31.Qc5 Ng4 32.Qa3 Nf6+–). BlackMomba – COUNTDOWN2MATE3, Live Game Caissa's Web, 2004.

2.f4 Nf6

3.Bb2 (--> 1.b4 f5 2.Bb2 Nf6 3.f4).

3.Nc3 d5 4.d4 e6 5.a3 c6 6.e3 b6 7.h3 Be7=+ 8.b5 0–0–/+ 9.Nf3 Ne4 10.Ne4 fe4 11.Ne5 Bh4 12.Kd2 c5 13.dc5 bc5 14.Bb2 d4 15.Ke2 g5 16.Ng4 h5 17.Ne5= Qa5 18.Ng6?? Qb5–+ 19.Kd2 Qa5 20.Kc1= Rf7 21.Nh4+= gh4 22.ed4 Rf5 23.Be2 c4 24.Bh5?? Rh5–+ 25.Qg4 Kh7?? 26.d5!+– c3 27.Qh5 Kg8 28.Qe8 Kg7 29.Qe7 Kg6 30.Qe8 Kf6?? 31.Qh8 Kg6 32.Qc3 Qd8?? 33.Qg7 Kh5 34.Qh7# 1–0. Garyman – goffy, ChessWorld.net, 2005.

3.e3 e6 4.d3 Bb4–/+ 5.c3 Ba5 6.Bd2 d5 7.Na3 0–0–/+ 8.Nf3 Nc6 9.Be2 a6 10.0–0 b5 11.d4 b4 12.Nb1 Rb8 13.Ne5 Ne5–/+ 14.de5 Ne4 15.cb4 Nd2 16.Qd2 Bb4 17.Qc2 c5 18.a3 Ba5 19.Qc5 Bb6 20.Qb4?? Be3–+ 21.Kh1 Rb4 22.ab4 Bd4 23.Ra4 Qd7 24.Bd1 Bb7 25.Bb3 Rc8 26.Ra1 Ba1 27.Nd2 Bc3 28.Nb1 Qc7 29.Rc1 d4 30.Be6 Kf8 31.Bf5 Rd8 32.Bh7 d3 33.Rd1 Qc6 34.Rg1 Qc4 35.Rc1 d2 36.Rd1 Qb3 37.Rd2 Rd2 38.Nd2 Qd1 39.Nf1 Qf1# 0–1. Gregor123 – Master1, mySchach.de, 2004.

3.e3 g6 4.Bc4 d5 5.Bb3 e6 6.a3 Nbd7 7.c4 Bg7 8.Bb2 0–0 9.Nf3 c6 10.Nc3 Ne4 11.Qc2 Ndf6 12.Ne2 Bd7 13.0–0 Rc8 14.Be5 Qe7 15.c5 Ng4 16.Bg7+/– Qg7 17.h3 Nh6 18.Kh2 Nf7 19.d3 Nf6 20.Qb2?? h6 21.Qd4 g5 22.Ne5 Rcd8 23.Nf7 Rf7 24.a4 Re8 25.Rae1 e5 26.Qa1 ef4= 27.ef4 Rfe7 28.Qd1 Re3 29.Qd2 Qe7 30.Bd1 gf4 31.Rf4 Qe5 32.g3 Nh5= 33.Re4 Rd3!? 34.Qd3 fe4 35.Qe3 Qf6 36.Nd4 Ng7 37.Be2 Ne6 38.Ne6 Be6 39.Rf1 Qg7 40.b5 Rf8 41.Rf8 Qf8 42.bc6 bc6 43.g4 Qf6 44.Kg3 Kg7 45.a5 Qe5 46.Qf4 Qc3 47.Kg2 Bf7 48.g5–/+ hg5 49.Qg5 ˝–˝. Blumenberg,Walter – Heedt,Thorsten, Porz op, 1995.

1...f6

2.a3 b5 3.e4 e5 4.Bb5 c6 5.Bd3 Qb6 (5...Ne7 6.Bb2+/–) 6.Nc3 c5 (better is 6...a5!? 7.b5 cb5 8.Bb5 Bc5 9.Qh5 g6+–) 7.Nd5 Qc6 8.b5 Qb7 9.Bc4 Bd6 (9...d6 10.Qh5 g6 11.Qf3+–) 10.Ne2 Ne7 (10...Bf8+–) 11.Ne7 Qe4 (11...Be7 12.Bd5 Nc6 13.bc6 dc6+–) 12.Bd5 Qg2 13.Bg2 (13...Be7 14.Ba8+–) 1–0. Marre – mcdog, zagraj.pl, 2003.

2.a3 c6 3.c3 (3.e4 e5+=) 3...e6 4.Bb2 Bd6 (4...d5 5.e3=) 5.e3 Qc7 (5...Bc7 6.Bd3=) 6.Nf3 Bf4?? (better is 6...Be7+=) 7.ef4+– Qf4 8.Be2 Qb4 (8...d6+–) 9.ab4 c5 10.bc5 d6 11.cd6 Ne7 12.de7 Ke7 13.0–0 Rd8 14.g3 Bd7 15.d4 Nc6 16.Re1 e5 17.de5 fe5 18.Ne5! Ne5 19.c4 Be6 20.Qc1 Rd3 21.Be5 Bc4 22.Bd3 Bd3 23.Nc3 Rf8 24.Ne4 Be4 25.Re4 Rf2 26.Bd4 (26.Bd4 Kf7 27.Qc7 Kg6 28.Qg7 Kf5 29.Qg4; 26.Qc7 Ke6 27.Bd4 Kf5 28.Qe5 Kg6 29.Qg7 Kf5 30.Qg4) 1–0. Fournier,Frederic (1920) – Borromeo, Active Blind, 2008.

2.a3 d5 (--> 1.b4 d5 2.a3 f6).

2.a3 g6 3.Bb2 (--> 1.b4 g6 2.Bb2 f6 3.a3).

2.Ba3 d5 3.e3 c6 (3...e5 4.Nc3=+) 4.Qf3 (4.b5 Nh6=) 4...e5=+ 5.d3 d4 (5...Bd6 6.c4=+) 6.ed4= Bd7?? (better is 6...Qd4 7.c3 Qd8=) 7.de5+/– Na6 (7...a5 8.Qe3 Qe7 9.b5 Qe5 10.Qe5 fe5 11.Bf8 Kf8 12.Nf3+/–) 8.ef6 (better is 8.c3+–) 8...gf6?? (better is 8...Qf6 9.c3 0–0–0+/–) 9.Qh5+– Ke7 10.b5 Ke6 11.ba6 b6 12.Qg4 f5 13.Qe2 Kf7 14.Qh5 Ke6 15.Bb2 Nf6 16.Qe2 Kf7 17.Nh3 Bd6 18.Kd1 (18...Re8 19.Qf3+–) 1–0. nwishn (1900) – scmorgan, net–chess.com, 2006.

2.a4 d5 3.b5 (3.e4 e6+=) 3...e5 4.a5 (4.d4 Bd6+=) 4...Bd6 (4...a6 5.ba6 Na6 6.Nf3+=) 5.g3 (5.Nc3 Ne7+=) 5...Ne7 6.e3 Nd7 (6...0–0 7.Nc3–/+) 7.Qh5 (7.Ba3 Ba3 8.Na3 0–0–/+) 7...g6–/+ 8.Qh6 (8.Qe2 c6–/+) 8...Nf5 9.Qh3 b6 (9...Nc5 10.g4 Ne7 11.d4–/+) 10.c4 (10.Bg2 e4+=) 10...d4 (10...dc4 11.Qg2 Rb8 12.Bc4 ba5 13.Ra5–/+) 11.Bg2= Rb8 12.Bd5 Bb7 13.e4 Ne7 14.Qh6 Bd5–/+ 15.Qg7?? Rg8–+ 16.Qh7 Be4 17.f3 Bb1 18.Rb1 ba5 19.d3 Bb4 20.Ke2 Nf8 21.Qh4 Nf5 22.Qe4 Qd7 23.f4 Nd6 24.Qd5 Rg7 25.Bd2 ef4 26.Qd4 Re7 27.Kf3 Bd2 28.Qa7 Rb7 29.Qa8 Qd8 30.Qd8 Kd8 31.Rd1 Be3 32.Ra1 Bg1 33.Rhg1 fg3 34.hg3 Ra7 35.Kf4 g5 36.Kg4 Rh7 37.c5 Nb5 38.Kf5 Rh6 39.Rge1 Nd4 40.Ke4 Nc2 41.Kd5 Na1 42.Ra1 Rh3 43.g4 Rd3 44.Kc4 Rg3 45.Kb5 Rg4 46.Rd1 Kc8 47.Kc6 Ra6 48.Kd5 Re6 49.Rd4 c6 50.Kc4 Rd4 51.Kd4 g4 52.Kc4 Re4 53.Kd3 f5 54.Kd2 Ne6 55.Kd1 Nc5 (55...Nc5 56.Kc2 g3 57.Kd1 g2 58.Kc2 g1Q 59.Kb2 Qg2 60.Kc3 Na4 61.Kd3 Qe2) 0–1. ifairclough – quikeagle, net–chess.com, 2002.

2.Bb2 c6 (--> 1.b4 c6 2.Bb2 f6).

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

2.Bb2 e6 (--> 1.b4 e6 2.Bb2 f6).

2.Bb2 g5 (--> 1.b4 g5 2.Bb2 f6).

2.Bb2 g6 (--> 1.b4 g6 2.Bb2 f6).

2.Bb2 h5 3.Nf3 g5 4.g3 Bh6 5.Bg2 Kf7 6.c4 d6 7.0–0 a6 8.Qb3 Kf8 9.d3 Be6 10.Nbd2 b5?? (10...Ke8 11.Ne4+/–) 11.a3 (better is 11.Nd4 Bd7 12.Ba8+–) 11...bc4 12.Nc4 Bc4 13.Qc4 Qd7 14.Rac1 (better is 14.Ng5 Bg5 15.Ba8 h4+–) 14...Ra7 15.Rc2 c6 16.Nd4 d5 17.Qb3 e5 18.Nf3 Ne7 19.Nd2 Qd6 20.e4 d4 21.Nc4 Qc7 22.Re2 Nd7 23.Bc1 Nb6 24.a4 Nc4 25.Qc4 Qd6 26.Ba3 Qd7 27.Rc2 Kg7 28.b5 cb5 29.ab5 ab5 30.Qb4 Re8 31.Rb1 Rb7 32.Qb3 Rc8 33.Bf1 Rc2 34.Qc2 Ra7 35.Qb3 Rb7 36.Bc5 Nc6 37.Be2 b4 38.Bh5 Rb8 39.Kg2 Kh7 40.h3 Kg7 41.Bg4 Qf7 42.Qf7 Kf7 43.Bd7 Ne7 44.Rb4 Rb4 45.Bb4 1–0. linakip – pokutnik, kurnik, 2012.

2.Bb2 h6 3.e3+/– g6 (better is 3...d6!?+/–) 4.Bd3+– Kf7 5.Qg4 e6 (5...e5 6.Bg6 Ke7 7.Qh4+–) 6.Bg6 Ke7 7.Nf3 f5?? (7...d6+–) 8.Qh4 Kd6 9.Be5 Kc6 (9...Kd5 10.Nc3 Kc6 11.Qc4 Kb6 12.Qb5) 10.Qc4 Kb6 11.Nc3 d5 (11...a5 12.Bd4 c5 13.Bc5 Kc7 14.Nb5 Kc6 15.Ne5) 12.Qb5# 1–0. mtr – carld, internet, 2010.

2.b5 c6 3.a4 e6 4.c4 Bb4 5.e4 (5.Qb3 Ba5+=) 5...c5 (5...d5 6.Nc3=) 6.Bb2 b6 (6...Ne7 7.Nf3=) 7.Nc3 Bb7 (7...Ne7+=) 8.d3 (better is 8.Qh5 g6 9.Qh4+/–) 8...d5= 9.ed5 (9.ed5 ed5 10.d4=). Baer,Cy (1895) – Nackas,Hans Juergen (1650), RSS4D basic–5, 2008.

2.b5 d5 3.e3 Qd6 4.Nc3 c6 5.a4 d4 6.ed4 Qd4 7.Nf3 Qb4 8.Ba3 Qa5 9.Bc4 Nh6 10.0–0 Nf5 11.g4 Nh6 12.h3 e5 13.g5 Nf5 14.gf6 gf6 15.Bf8 Rf8 16.Kh2 Nd4 17.Nd4 ed4 18.Qe2 Kd8 19.Ne4 Qc7 20.f4 Bf5 21.d3 Nd7 22.bc6 bc6 23.Rab1 Rb8 24.Rb8 Qb8 25.Bb3 Kc7 26.Ng3 Bg6 27.f5 Re8 28.Qf3 Ne5 29.Qf4 Kb6 0–1. jura1946 – jopf, kurnik, 2012.

2.b5 Kf7 3.Bb2 d5 4.a4 e5 5.e3 c5 6.Na3 b6 7.Nf3 Bb7 8.c4 Bd6 (better is 8...a6!?+=) 9.cd5+= Bd5 10.Nc4 (10.Bc4!? Bc7 11.Qb3+/–) 10...Bc7 11.Be2 Ne7 12.0–0 Re8 13.Rc1 Kg8 14.Qb3 Kh8 15.d3 Nd7 16.e4 Bg8 17.Qc3 Nf8 18.Rfd1 Ne6 19.Ne3 (19.Qc2!?=) 19...Nd4+= 20.Bf1 (20.Re1 a6–/+) 20...Nf3 21.gf3 Ng6 22.Ng2 Qc8 23.Qd2? (23.Be2 a6–/+) 23...Qh3 (better is 23...Bb3!?–+) 24.Ne3 Qf3 25.Bg2 Qh5–+ 26.Nf5 Nf4 27.Qe3 Qg5 28.Qg3 Ne2 29.Kh1 Ng3 30.fg3 Be6 31.Rf1 Bf5 32.Rf5 Qd2 33.Ba3 Qd3 34.Ra1 Qc3 35.Rff1 Rad8 36.Bc1 Qa1 37.Be3 Rd1 38.Rd1 Qd1 39.Bg1 a6 40.ba6 Ra8 41.h4 Ra6 42.Kh2 Ra4 43.Be3 Ra2 44.Kh3 Qe2 45.Bf1 Qe3 46.Bc4 Ra3 47.Kg4 Qg3 48.Kf5 Qh3# 0–1. poganinbezdom (1650) – jbjovy (1610), kurnik, 2012.

2.b5 Nh6 3.Bb2 Nf7 4.f4 e6 5.Nf3 b6 6.g3 Bb7 7.Bg2 Be7 8.0–0 0–0 9.d4 Nd6 10.a4 a6 11.ba6 Ba6 12.Nbd2 Nc6 13.Rc1 Nc4 14.Nc4 Bc4 15.c3 Qb8 16.Nd2 Na5 17.Nc4 (17.Ba8 Qa8 18.Ra1+= (worse is 18.Nc4 Nc4 19.Qd3 Nb2+=)) 17...Nc4+= 18.Qb3 Nb2?? (better is 18...d5!?–/+) 19.Qb2 (19.Ba8 Qa8 20.Ra1 Na4 21.Qa4 Qa4 22.Ra4 d5+/–) 19...Ra4 (19...Ra5 20.e4=) 20.Ra1 Qa7 21.Ra4 Qa4 22.Ra1 Qc4 23.Bf1 e5 24.e4 Qe6 25.f5 Qf7 26.d5 Bc5+= 27.Kg2 h5 28.h4 g6 29.fg6 Qg6 30.Qe2? Kh7 31.Kh2 Rg8 32.Qf3 Kh6 33.Bh3 Kg7 34.Rf1 Rf8 35.Bf5 Qh6 36.g4 hg4 37.Qg4 Kh8 38.Rg1?? Bg1–+ 39.Qg1 Qh4 40.Bh3 Rg8 41.Qe3 Rg5 42.c4 Rh5 43.Qg3 Qg3 44.Kg3 d6 45.Bf5 Rg5 46.Kf2 Kg7 47.Bh3 Kh6 48.Bg2 Kh5 49.Bf3 Kh4 50.Ke3 Rg3 51.Kf2 Rh3 52.Kg2 Rg3 53.Kf2 Rg8 54.Bg2 Ra8 55.Bf3 Ra2 56.Ke3 Ra3 57.Kf2 Kg5 58.Be2 Kf4 59.Ke1 Ke4 60.Kd2 Kd4 61.Kc2 Ra2 62.Kd1 f5 63.Bf1 f4 64.Ke1 e4 65.Be2 Ke3 66.Bd1 Ra1 67.Kf1 Rd1 68.Kg2 Rd2 69.Kh3 Kf3 (69...Kf3 70.Kh4 Rg2 71.c5 e3 72.Kh3 e2 73.c6 e1R 74.Kh4 Rh1) 0–1. poganinbezdom – ryhol2 (1790), kurnik, 2011.

2.c3 e6 3.Bb2 (--> 1.b4 e6 2.Bb2 f6 3.c3).

2.c4 c6 3.d4 d5 4.e3 Nd7 (4...e5 5.a3=) 5.c5 (5.cd5 cd5 6.Qh5 g6 7.Qd5 e5+/–) 5...e5= 6.Be2 b6 7.de5 (7.Nc3 Ne7=) 7...Ne5=+ 8.cb6 (8.f4 Ng6 9.b5 Bc5 10.bc6 N8e7–/+) 8...ab6 (8...Bb4 9.Bd2 Bd2 10.Nd2 ab6 11.Ngf3–/+) 9.Nf3? (better is 9.b5!?=) 9...Bb4–/+ 10.Bd2 c5 (better is 10...Bd6!?–/+) 11.Ne5 (11.Bb4 cb4 12.Bb5 Kf7=) 11...fe5 12.Nc3? (better is 12.Bb4!? cb4 13.Bb5 Ke7 14.f4=) 12...Nf6–/+ 13.0–0 0–0 14.h3 (14.a3 Ra3 (< 14...Ba3 15.Nb5+=) 15.Ra3 Ba3–/+) 14...d4 (14...Bf5 15.a4–+) 15.ed4–/+ Qd4 16.Qc2 Ne4?? (16...Be6 17.a4–/+) 17.Qe4?? Ra3?? 18.Bc4 Kh8 19.Qd4 ed4 20.Ne4 Ra7? 21.Bb4 Ra4 22.Bc5 Rf4 23.Nd6 Bd7 24.Bb6 Ra8 25.Nf7 Kg8 26.Ne5 Kh8 27.Nd7 Ra3 28.Rfe1 Rc3 29.Re8 (29...Rf8 30.Rf8) 1–0. gdraper (2035) – scmorgan, net–chess.com, 2006.

2.c4 d6 3.f4 (3.d4 e5=) 3...c6 (3...e5 4.e3+=) 4.e4 g6 (4...e5 5.f5=) 5.Nf3 (5.d4 e5+=) 5...Na6 (5...e5 6.d4=) 6.a3+= Qb6 (6...e5 7.d4+=) 7.Bb2 (7.d4 c5+/–) 7...Bh6+= 8.g3 e5 (8...Bg7 9.d4+=) 9.fe5+/– de5 10.Ne5 1–0. mluka (2225) – tpaoloca, net–chess.com, 2001.

2.c4 Kf7 3.b5 (3.Nc3 e5 4.b5 Bb4+=) 3...e6 (3...e5 4.Nc3+=) 4.Bb2 d5 5.e3 c6 (5...Ne7 6.Nc3+=) 6.Qh5 (6.cd5 ed5 (6...Qd5? 7.Nc3 Qd6 8.Ne4+–) 7.Nh3 Bd6+=) 6...g6 7.Qf3 Bg7 (7...Nh6 8.Nh3 Kg7 9.cd5 ed5 10.Nf4=) 8.g4 (8.Nh3!?+/–) 8...dc4 (8...Nh6 9.Nc3=) 9.Bc4 (9.a4 Nh6 10.Nc3 Nd7–/+) 9...cb5 10.Bb5 Qb6 (better is 10...Nc6!?=) 11.Na3+/– a6 (11...Bf8 12.Rb1 Qa5+/–) 12.Bd4?? (12.Nc4 Qd8 13.Ne5 Kf8 14.Ba4+/–) 12...Qc7+= 13.Bd3 Nc6 14.Bc3 Qd6–/+ 15.Nc4?? Qd3–+ 16.Nb6 Rb8 17.Nc8 Rc8 18.g5 h6 19.gf6 Nf6 20.Ne2 e5 21.Rg1 Rhd8 22.Qg3 b5 23.Nc1 Qc2 24.a3 Ne7 25.Qe5 Nh5 26.Qh5 gh5 27.Rg7 Kf8 28.Rh7 Rc3 29.Rh6 Qd2 (29...Qd2 30.Kf1 Qd1 31.Kg2 Qg4 32.Kf1 Rd1#) 0–1. mic (2195) – chessbrasil (2135), net–chess.com, 2008.

2.d4 a5 3.c3 (3.b5 d5=) 3...ab4=+ 4.cb4 e5 5.d5 (5.b5!?=) 5...Bb4–/+ 6.Bd2 Bf8 (6...Bd2 7.Nd2 Ne7 8.e4–/+) 7.Nf3 c6 8.dc6 (8.e4 Bc5 9.Nc3 b5=+) 8...bc6 9.Bb4?? (better is 9.e4=+) 9...Bb4–+ 10.Nbd2 Nh6 (10...d5 11.e3–+) 11.e4 0–0 (better is 11...d5 12.Qb3 Ba3–+) 12.Bc4?? (better is 12.Qb3 Kh8 13.Qb4–/+) 12...Kh8 (13.Rb1 Ba5–+; 12...d5!? 13.Bb3–+) 0–1. BIGAL 1971 – crazy 8, ChessWorld.net, 2005.

2.d4 c6 3.c4 (3.e4 e6+=) 3...e5 4.a3 d5 5.c5 (5.de5 fe5 6.e4 Nf6+=) 5...e4 (5...a5 6.Bb2 ab4 7.ab4 Ra1 8.Ba1=) 6.e3 Ne7 7.h3 a5 (7...Nf5 8.Nd2=) 8.Nc3 (8.b5 Be6=) 8...f5 (8...ab4 9.Na4–/+) 9.Nge2 (better is 9.b5!?+=) 9...ab4=+ 10.Na4 Ng6 11.ab4 b5 (better is 11...Be7=+) 12.Bb2?? (12.cb6 Nd7=) 12...Na6?? (12...ba4 13.Ra4 Ra4 14.Qa4–+) 13.Qb3?? Nh4?? 14.Nf4?? g6?? 15.Be2?? Qg5?? 16.g3 Nf3 17.Bf3= ef3 18.Nb6 Rb8 19.Nc8 Rc8 20.Ra6 Rd8 21.Ne6 Qe7 22.Nd8 Kd8 23.Rc6 Bg7 24.Qd5 Qd7 25.Rd6 Re8 26.Rd7 (26...Kc8 27.Qb7) 1–0. losertoo (1860) – scmorgan, net–chess.com, 2006.

2.d4 d5 3.e3 (3.a3 a5=) 3...e6 (3...e5 4.de5 Bb4 5.c3=) 4.c3 Bd6 5.b5 (5.Bd3 Ne7=) 5...Nd7 (5...Ne7 6.Bd3+=) 6.a4 (6.c4 dc4 7.Bc4 Nb6=) 6...Ne7 7.a5 c6 (7...0–0 8.Ba3+=) 8.a6 (8.Qg4 Kf7=) 8...b6 (8...cb5 9.ab7 Bb7 10.Qg4+=) 9.bc6 Nc6 10.Qh5 g6 11.Qh6 Qe7 12.Bd3 f5 (12...Rf8 13.Ba3 Ba3 14.Ra3=) 13.Ne2 (13.Nf3 Na5 14.Ba3 Ba3 15.Ra3 Nb8=) 13...e5= 14.Bb5 Na5 (14...Nd8 15.Ba3 Nf7 16.Qg7 Ba3 17.Ra3+=) 15.0–0 (15.Nd2 Qf8 16.Qf8 Rf8 17.de5 Be5+=) 15...e4 (15...Nb3 16.Ra2+=) 16.Ba3+/– Nc4 (16...Ba3 17.Na3 Nb3 18.Ra2+/–) 17.Bd6 Nd6 18.Bc6+– Rb8 19.Nf4 Qf8 20.Qh3 Qe7?? 21.Nd5 Qd8?? 22.Qg3 Nf7 23.Qb8 0–0 24.Qa7 Nd6 25.Nc7 Nc4 26.Ne6 (26.Ne6 Qh4 27.Bd7+–) 1–0. ifairclough – quikeagle, net–chess.com, 2002.

2.d4 d6 3.c4 e5 4.d5 b6 5.e4 c5 6.b5 a6 7.ba6 Ba6 8.Nc3 g6 9.Nf3 g5 10.Bd3 Bg7 11.Be3 h6 12.0–0 Ne7 13.Ne5 fe5 14.Qh5 Kf8 15.Ne2 Qe8 16.Ng3 Qh5 17.Nh5 Kf7 18.g3 Nd7 19.f4 gf4 20.gf4 ef4 21.Rf4 Ke8 22.Raf1 Bd4 23.Bd4 cd4 24.Ng7 Kd8 25.Ne6 Kc8 26.Rf7 Ng6 27.Rg7 Nge5 28.Bc2 Kb7 29.Ba4 Rhg8 30.Bd7 Rg7 31.Ng7 Nd7 32.Rf7 Rd8 33.Ne6 Kc8 34.Nd8 Kd8 35.Rh7 Bc4 36.a3 Bd3 37.Rh6 Be4 38.Rd6 d3 39.Kf1 Bf5 40.h4 Bg4 41.Ke1 d2 42.Kd2 Kc7 43.Rc6 Kd8 44.d6 Bf3 45.Rc3 Bh5 46.Rg3 Nc5 47.Rg5 Bf7 48.h5 Kd7 49.Rg7 Ke6 50.h6 Ne4 51.Ke3 Nf6 52.h7 Nh7 53.Rh7 Bg6 54.Rb7 Kd6 55.Rb6 Kc5 56.Rg6 Kb5 57.Kd2 Ka4 58.Rg3 Ka5 59.Kc2 Ka4 60.Kb2 Ka5 61.Kb3 Kb5 62.a4 Ka5 63.Rg5 Ka6 64.Kb4 Kb7 65.a5 Ka6 66.Rg6 Ka7 67.Kb5 Kb7 68.a6 Ka7 69.Rg7 Ka8 70.Kb6 Kb8 71.Rg8 1–0. jackw171 – 11akurnik1, kurnik, 2012.

2.d4 g6 3.c4 Nc6 4.Nf3 Nb4 5.d5 d6?? (better is 5...Nh6= 6.Nc3 Bg7 7.Rb1 Na6 8.h4 b6 9.Nd4 Nc5) 6.Qa4+– Bd7 7.Qb4 e6 (7...Nh6 8.Nc3+–) 8.Bb2 (8.Nc3 Ne7 9.Qb7 Bg7 10.de6 Be6+–) 8...Bg7 9.e4 (9.Ng5 ed5 10.cd5 Nh6+–) 9...e5 (9...Ne7+–) 10.Nh4 (10.Be2 f5 11.Nc3 Nf6 12.ef5 Bf5+–) 10...Bg4? (better is 10...f5 11.g3 fe4+–) 11.Bd3 (11.Nc3 a5 12.Qb3 a4+–) 11...Bh5 (11...a5 12.Qb3 (12.Qb7?! Rb8 13.Qa7 Rb2=) 12...f5 13.Nf3 (13.Qb7? fe4 14.Be4 Rb8–/+) 13...fe4 14.Be4+–) 12.f3 b6 13.g4 Bg4 14.fg4 Qd7 15.Rg1 Ne7 16.Nc3 Bh6 17.Qa3 Be3 18.Rg3 Bc5 19.Qa6 0–0 20.Nb5 Kg7 21.h3 Bb4 22.Ke2 Ba5 23.Rf1 Ng8 24.Qb7 Kh6 25.Ng2 g5 26.Nc7 Rab8 27.Qa7 Qa4 28.Nb5 Qb4 29.Bc3 Qc5 30.Bb2 Rfe8?? 31.Nc7 Rec8 32.Ne6 Qb4 33.Qg7# 1–0. cubs_fan_1 – Mphilliber, ChessWorld.net, 2011.

2.e3 b6 3.Bd3 Bb7 4.Qh5 g6 5.Bg6 hg6 6.Qh8 Nh6 7.f3 d6 8.Qh7 g5 9.Qg6 Kd7 10.Ne2 Nc6 11.a3 Ne5 12.Qh5 Qe8 13.Qh3 e6 14.0–0 Rd8 15.Qg3 Kc8 16.a4 Kb8 17.b5 Nf5 18.Qe1 Nc4 19.d3 Na5 20.e4 Nh6 21.Bd2 d5 22.Ba5 ba5 23.Qa5 c6 24.b6 a6 25.Qc3 de4 26.de4 Qd7 27.Qf6 Bc5 28.Kh1 Ng8 29.Qg5 Bb6 30.a5 Bc7 31.Na3 Qd6 32.Ng3 Qd2 33.Qg6 Ba5 34.Nc4 Qc2 35.Na5 Ne7 36.Qe6 Nc8 0–1. 56ctx56 – hamza15, kurnik, 2012.

2.e3 e6 3.Bd3 Bb4 4.Qh5 g6 5.Bg6 Ke7 6.Bd3 Qe8 7.Qg4 Qg6 8.Qb4 c5 9.Qc5 d6 10.Qc7 Bd7 11.Bg6 1–0. 56ctx56 – iahara, kurnik, 2012.

2.e3 g5 3.Bb2 (--> 1.b4 g5 2.Bb2 f6 3.e3).

2.e4 b6 3.Bb5 (3.Bc4 e6 4.c3 Bb7 5.Qh5 g6=) 3...c6 4.Bc4 (4.Be2 e5 5.a3 a5=) 4...b5 (4...e6!?=) 5.Bg8+= Rg8 6.Nf3 (6.Qh5!? g6 7.Qh7+=) 6...e5= 7.h3 (7.a3 a5=) 7...d6 (7...Bb4!? 8.c3 Ba5–/+) 8.d4= a6 (8...d5 9.ed5 Qd5 10.a3 ed4 11.Qd4 Qd4 12.Nd4+=) 9.0–0 g5 10.g4 (10.a4 g4 11.hg4 Bg4 12.ab5 cb5=) 10...h6 (10...h5 11.Nh2–/+) 11.a4 h5 12.Nh2 hg4 13.hg4 Rh8 14.ab5 cb5 15.Qf3 (15.d5 Ra7 16.Kg2 Rah7+=) 15...Nc6 16.c3 Qe7 (16...Ra7 17.d5 Rah7 18.dc6 Rh2–+) 17.Kg2? (17.d5 Qh7 18.Qg2 Ne7+=) 17...Rh4 (17...ed4 18.Rh1–+) 18.Qg3? (better is 18.d5!? Nd8 19.Rh1=) 18...Qh7 19.Nd2–/+ f5 20.Ndf3?? f4–+ 21.Nh4 fg3 22.Bg5 gh2 23.Kh2 Qe4 24.Rae1 Qg4 25.Rg1 Qh3# 0–1. Eries – jerb, ChessWorld.net, 2010.

2.e4 c6 3.Nc3 d6 4.Bc4 d5? (4...e6 5.Qe2=) 5.Bb3 (better is 5.ed5 e5 6.de6 Bb4 7.Qg4+/–) 5...e5= 6.ed5 Ne7 (6...Bb4!? 7.Qh5 g6=) 7.dc6+/– Nbc6 8.Nge2 (8.a3 a5 9.ba5 Na5+/–) 8...Nf5 (8...Nb4 9.d4=) 9.d3 (9.a3!?+/–) 9...Nb4 (better is 9...Bb4 10.0–0 Ncd4=) 10.g4 (10.0–0!?+=) 10...Nh4 (better is 10...Nd4 11.Ba4 Nbc6–/+) 11.Ba3? (better is 11.Ng3=+) 11...Nf3 12.Kf1 Bg4 13.Bb4?? (better is 13.h3 Bd7 14.Bb4–+) 13...Bb4 14.a4 Qc7 15.h3–+ Bh5 16.Na2 Bd6 17.Bd5 Rc8 18.Bf3? Bf3 19.Rg1 Rg8 20.Nac3 Qf7 21.Rb1?? Qh5 22.Qd2 f5 23.Rb7?? Bb7 24.d4 Qh3 25.Ke1 e4 26.Nb5 Be7 27.d5 (27...e3 28.fe3 Qh4 29.Kd1 Qa4 30.Nbd4 Bd5 31.Nf5 Qa1 32.Qc1 Qc1 33.Kc1–+; 27.Na7 Ra8 28.Qa5 Bc6–+) 0–1. oracleinshadows (1725) – scmorgan, net–chess.com, 2006.

2.e4 Nc6 3.b5 Nd4 4.c3 Ne6 5.d4 d5 6.Nd2 a6 7.a4 ab5 8.Bb5 c6 9.Bd3 g6 10.ed5 cd5 11.Qe2 Nh6 12.Bb5 Bd7 13.Qe6 Bb5 14.ab5 Ra1 15.Ne2 Qd6 16.Qc8 Kf7 17.Qb7 Nf5 18.0–0 Bg7 19.Nb3 Rb8 20.Qc6 Qc6 21.bc6 Rb3 22.c7 Ra8 23.Nf4 e6 24.g4 Nh4 25.f3 g5 26.Nh5 Rc3 27.f4 gf4 28.Bf4 Ng6 29.Bg3 Rc8 30.g5 f5 31.Ng7 Kg7 32.Kg2 Rd3 33.h4 Rd4 34.h5 Ne7 35.Be5 Kf7 36.Bd4 Rc7 37.Be5 Rc2 38.Kg3 Re2 39.Bf6 Nc6 40.Rf3 d4 41.Rd3 Re3 42.Re3 de3 43.Kf3 h6 44.Ke3 hg5 45.Bg5 Ne5 46.Kf4 Nd3 47.Ke3 Ne1 48.Ke2 Nc2 49.Kd3 Nb4 50.Kd4 Nc6 51.Kc5 Ne5 52.Kd4 Nf3 0–1. jackw171 – iuli987an, kurnik, 2012.

2.e4 d5 3.Bd3 (3.Qh5 g6 4.Qd5 Qd5 5.ed5 e6+=) 3...de4 4.Be4 Qd4 (better is 4...f5 5.Bf3 e5=) 5.Bf3?? (better is 5.Nc3+=) 5...Qa1–+ 6.Ne2 (6.Nc3–+) 6...Qb1 7.d4 (7.a3 e5–+) 7...Qb4 8.c3 Qd6 9.Be3 Nc6 10.0–0 e5 11.Ng3 Nge7 (11...ed4 12.cd4 Nge7 13.Re1–+) 12.Be4 (12.d5 Nd8–+) 12...f5 (13.Bc6 Nc6 14.de5 Ne5–+) 0–1. scmorgan – nay (2190), net–chess.com, 2006.

2.e4 e6 3.a3=.

2.e4 Kf7 3.Nc3 e6 4.a3 Ne7 5.d4 d6 6.Bd3 Nd7 7.Nf3 b6 (7...a5 8.Be3+/–) 8.0–0 Bb7 9.Be3 g6 10.Qd2 Bg7 11.Ne2 Rf8 12.c4 e5 13.Rad1 (13.Rfd1 Kg8+/–) 13...Kg8 14.d5 a5 15.Ng3 f5 16.ef5 Nf5 17.Nf5 gf5 18.Bg5 Qe8 19.Rfe1 Qh5 20.Be2 Qf7 21.b5 Nc5 22.Be3 Rae8 23.Bc5 dc5 24.Qe3 Bf6 25.Rd2 (25.h3 Qg6=) 25...Kh8 (25...Qg6 26.Ra2 e4 27.Nd2–/+) 26.h3 (better is 26.Red1!?+=) 26...Qg6 27.Qb3 Rg8 28.Bf1 e4 29.Nh2 Be5 (29...Bc8 30.Kh1=+) 30.Kh1 Qd6 31.g3 f4 (31...Bd4 32.Rde2=+) 32.Re4= fg3 33.Ng4 a4 (33...gf2 34.Rde2 Bc8 35.Ne5 Rg1 36.Kh2 Rf1 37.Qf3=+) 34.Qe3+= gf2 35.Re5 Re5 36.Ne5 Rg1 37.Kh2 Rf1 38.Kg2 Rg1 39.Kf2 Rg7 40.Ke1 Bc8 41.Rf2 Qe7 42.Rf3 Kg8 43.Nc6 Qe3 44.Re3 Bd7 45.Ne5 Bc8 (46.h4 Rg2+/–) +/–. guest1723 – guest1950, ICC, 2003.

2.e4 g5?? 3.Bc4 (3.Qh5) 3...e6+/– 4.Ba3 (4.Qh5 Ke7+/–) 4...Bg7 (4...Nh6!?=) 5.Qh5+/– Ke7 6.b5 (6.d4 Qe8 7.Qe2 Kd8+/–) 6...d6+= 7.c3 (7.Nf3 a6+/–) 7...c6 (7...a6 8.ba6 Na6 9.h4 gh4 10.d4+=) 8.bc6 Nc6 9.d4 a6 10.d5 (10.Nf3 b5 11.Bb3 Nh6+/–) 10...b5 (10...Ne5 11.de6 Qc7+=) 11.Bf1 (11.dc6 bc4 12.Nd2+–) 11...e5?? (better is 11...ed5 12.ed5 Ne5=) 12.dc6+– Qc7 13.Nd2 Qc6 14.c4 bc4 15.Nc4 Be6 16.Bd6 Kd7 17.Rd1 a5 18.Be5 Ke7 19.Bd6 Kd7 20.Bf8 Kc7 21.Bg7 Bc4 22.Rc1 Qe4 23.Be2 Qg2 24.Rc4 Kd6 25.Rd4 Ke5 26.Nf3 Ke6 27.Bc4 Ke7 28.Qf7# 1–0. wee harv – Pekin Dragons, ChessWorld.net, 2011.

2.Nf3 f5 3.e3 Nf6 4.Bb2 b6 5.Bc4 e6 6.0–0 Bb7 7.d3 Be7 8.b5 0–0 9.Nbd2 Nd5 10.Qe2 c5 11.bc6 Nc6 12.Bd5 ed5 13.Nb3 Bf6 14.Bf6 Qf6 15.Nbd4 Rae8 16.Rab1 f4 17.Rb5 Ne5 18.Ne5 Re5 19.Nf3 Ree8 20.Rb4 fe3 21.fe3 Qd6 22.Qd2 a5 23.Rd4 Qh6 24.Re1 Rf7 25.Qc3 Re3 26.Re3 Qe3 27.Kf1 Re7 28.Qd2 Qe6 29.c4 dc4 30.dc4 Qf5 31.Rf4 Qb1 32.Kf2 Bc6 33.Nd4 Bb7 34.Nf5 Re8 35.Nd6 Rb8 36.Nb7 Rb7 37.Qd5 1–0. TriAngel – flyfisher, ICC 1999.

2.f4 c6 3.g4? (3.e4 d5=) 3...g5 (3...e5 4.c3–/+) 4.Kf2? (4.fg5!? e5 5.gf6 Nf6 6.g5=) 4...a5 (4...gf4 5.e3–/+) 5.a4 (5.fg5 ab4 6.Bb2 e5+=) 5...b5 (better is 5...gf4!? 6.d4 d6–+) 6.ab5= cb5 (6...gf4 7.d4=) 7.ba5 (7.fg5 Bb7 8.Bg2 Qb6 9.d4 a4=) 7...Ra5 8.Ra2 ˝–˝. Georgiev,Lukas – Owens,Johnny (1940), IECC Swiss email, 2000.

2.f4 d5 3.e3 +=.

2.f4 Kf7 3.e3= e6 4.Bb2 (4.a3 d5=) 4...d6 (4...Bb4!? 5.Bd3 g6+=) 5.c4 g6 6.Nf3 h6 7.d4 Bg7 8.Nbd2 Ne7 9.Bd3 Nd7 10.0–0 Nf8 11.e4 f5 12.Qc2 Nh7 13.ef5 Nf5 14.Rae1 Nf6 15.a3 b6 16.g3 Ng4 17.Bf5 ef5 18.d5 Bd7 19.Bg7 Kg7 20.Nd4 h5 21.N2f3+– h4 22.Ng5 Qg8?? 23.Nde6 Kh6 24.gh4 c6 25.Qd3 cd5 26.cd5 Rc8 27.Rc1 Be6 28.de6 Kh5 29.Qd6 Qg7 30.h3 Qb2?? 31.hg4+– fg4 32.Rc8 Rc8 33.Ne4 Qa3 34.Qe5 Kh6 35.Qg5 Kh7 36.h5 Qe3+– 37.Nf2 Qg3 38.Kh1 Qf3 39.Kh2 Rg8 40.Qg4 Qd5 41.h6! Kh6 42.Qg5! Qg5 43.fg5 Kg5 44.Ne4 Kg4 1–0. orangutandu – ischnai, kurnik, 2012.

2.g3 d5 3.d3 Nc6 4.b5 Nd4 5.a4 Bg4 (5...e5!?=+) 6.c3= Nf5? (better is 6...Ne6=) 7.h3 Be2 (7...Ng3 8.fg3 Bf5 9.a5+–) 8.Ne2 h5 (8...e5 9.Bg2+–) 9.Bg2 c6 (9...e5 10.0–0+–) 10.Nf4 Qd6 11.d4 (11.0–0 0–0–0+–) 11...h4 (11...g5 12.Ng6 Rh6 13.Nf8 Kf8 14.h4 Qe6 15.Qe2 Qe2 16.Ke2+–) 12.g4 Nfh6 13.Ng6 (13.Qc2 f5 14.g5 Nf7 15.Qf5 e6 16.Qe6 Qe6 17.Ne6 Kd7 18.Nf8 Rf8+–) 13...Rh7 14.Nf8 Kf8 15.Qf3 g5 16.Bg5 Nf7 17.Bf4 Qe6 18.Qe2 Qe2 19.Ke2 Nd8 20.Nd2 Ne6 21.Be3 cb5 22.ab5 Nc7 23.b6 ab6 24.Ra8 Na8 25.Bd5 Nc7 26.Bb7 Nb5 27.Kd3 e5 28.Be4 Rc7 29.c4 Na3 30.Ra1 Nc4 31.Nc4 ed4 32.Bd4 b5 33.Nd6 b4 34.Ra8 Kg7 35.Ne8 Kf8 36.Nc7 Kg7 37.Ne6 Kf7 38.Bf5 b3 39.Bc5 b2 40.Rf8 1–0. touchdown – JimDog, ChessWorld.net, 2005.

2.g3 e5 3.c3 +=.

2.g3 e6 3.a3= Bd6 (3...a5 4.b5=) 4.Nf3 Nc6 5.Nc3 Ne5 6.Bg2 Nf3 7.Bf3 Be5 (7...Nh6 8.d4 Nf7 9.Ne4=) 8.d4+/– Bd6 9.0–0 e5 (9...Be7 10.Bh5 g6 11.Bf3+/–) 10.Nb5 Be7 (10...Bf8 11.de5 fe5 12.Qd3+/–) 11.d5 (11.de5 a6 12.ef6 Nf6+/–) 11...c6 (11...a6 12.Nc3+=) 12.Nc3+/– c5?? (better is 12...Qc7+/–) 13.d6+– Bf8 (13...Qb6 14.de7 Ne7 15.bc5 Qc5 16.Ne4+–) 14.Nb5 (14.bc5?! g6+–) 14...Qb6 15.a4 (better is 15.Nc7 Kd8 16.bc5 Qc5 17.Na8 Qd6+–) 15...a6 (15...Kd8 16.Be3 Qa6 17.Bc5 b6+–) 16.bc5 Qc5 17.Ba3 Qd4 (17...Qc4 18.Nc7 Kd8+–) 18.Nd4 1–0. pierre – otac, internet, 2009.

2.g3 Kf7 3.Nf3 (3.e4 e6=) 3...g6 (3...e5 4.Ba3=) 4.Bg2 (4.d4 d5+=) 4...e6 (4...e5 5.c3=) 5.a3+= Bg7 (5...a5 6.b5+=) 6.Bb2 (6.0–0 d5+=) 6...a6 (6...d5 7.0–0+=) 7.0–0 Ne7 8.c4 Nbc6 9.Nc3 d5 10.c5 (10.Qb3 Qd6+=) 10...Rb8 (10...e5 11.d4+=) 11.e4 (11.d4 Re8+=) 11...d4= 12.Ne2 e5 13.Nh4 (13.Ne1 Bh6=) 13...b6 (13...d3 14.Nc3=) 14.cb6 cb6 15.Rc1 Be6 16.Nf3 (16.d3 Rf8=) 16...Qd7 17.d3 a5 (17...Rhc8 18.Nd2=) 18.b5 Na7 19.a4 Rhc8 20.Rc8 (20.Nd2 Rc1 21.Bc1 Rc8=) 20...Rc8 21.Qb1 Qd6+= 22.Rc1 Qb4–/+ 23.Qa1 Bb3 24.Bh3 Rc5?? 25.Ba3+/– Rc1 26.Qc1 Qa4 27.Bd7?? Nb5–+ 28.Be7 Ke7 29.Qc8 Bf7 30.Bc6 Bh6 31.Qd7 Kf8 32.Nf4 Qa1 33.Kg2 ef4 34.Bb5 fg3 35.hg3 Qa3 36.Qd8= Kg7 37.Qd4 Qc5+= 38.Qd7 Kg8 39.d4 White intends e5 39...Qc2 40.e5 fe5 41.Ne5 Qe4 42.f3 Qc2 43.Kh3 Qf5–/+ 44.Qf5 gf5 45.f4 Bg7 46.Nf7 Kf7 47.d5 Bf6 48.d6 Ke6 49.d7 h5 50.Kg2 Kd5 51.Kf3 Kc5 52.Bd3 a4 53.Bf5 b5 54.g4? hg4–+ 55.Kg4 Kd6 56.Bd3 a3 57.Bb1 Kd7 58.Kf5 Ke7 59.Ba2 b4 60.Kg6 Bd4 61.f5 Bf6 62.Bb3 Bh4 63.Ba2 ˝–˝. mroets (2050) – mburden (2305), net–chess.com, 2003.

2.a3 e5

2.a3 e5 3.Bb2 Nc6 4.e3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Nc6).

2.a3 e5 3.Bb2 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5).

2.a4 e5

3.Ba3 d5 4.d4 (4.e3 Bd6+=) 4...e4 (4...Bd6 5.b5+=) 5.e3= Bd7?? (better is 5...Be6=) 6.Qh5+– g6 7.Qd5 Bc6 (7...Ne7 8.Qb7 Bc6 9.Bb5+–) 8.Qe6 Qe7 9.Bc4 (9.Qc8 Kf7 10.b5+–) 9...Qe6+/– 10.Be6 Ba4 11.c4 Nd7 12.d5?? b5 13.c5 Ne7 14.Nc3+/– f5? 15.Nge2 a6?? 16.c6 Nb6 17.Nd4?? Bg7 18.Bb2 Bd4+= 19.Na4? Bb2–+ 20.Nb2 Ned5 21.Bd7 Nd7 22.cd7 Kd7 23.0–0–0 Ke6 24.Rd4 a5 25.Rhd1 ab4 26.Rd5–/+ Ra1 27.Kc2 Rd1 28.Rd1 Ra8 29.Kb3 c5–+ 30.Kc2 Ra2 31.Rd8 c4 32.Kb1 b3 33.Rb8?? c3–+ 34.Rb6 Kf7 35.Rb7 Kg8 36.Rb8 Kg7 37.Rb7 Kh6 (37...Kh6 38.Rc7 Rb2 39.Kc1 b4–+) 0–1. ifairclough – quikeagle, net–chess.com, 2001.

3.c3 d5 4.a5 d4 5.Qb3 Qe7 (5...Bf5 6.e3=) 6.Ba3 Qe6 (6...Be6 7.Qa4 c6 8.Nf3+=) 7.c4 (7.Qe6 Be6 8.cd4 Nc6+=) 7...Ne7 8.e3 Nec6 9.e4 (9.Qb2 Nd7+=) 9...b5 (9...Be7+=) 10.d3 (10.ab6 ab6 11.b5 Nb4=) 10...bc4 (10...Na6 11.Qb2 bc4+=) 11.Qc4? (better is 11.dc4!? Be7 12.Qa4+=) 11...Qc4–+ 12.dc4 Bb4 13.Bb4 Nb4 14.Kd2 Be6 15.Na3 N8c6 16.Nb5 0–0–0 17.Bd3 Nd3 18.Rb1 Nf2 19.Nf3 Nh1 20.Rh1 Bc4 21.Na3 Na5 22.Nc4 Nc4 23.Kd3 Nb2 24.Kc2 Nc4 25.Kb3?? Nd6 26.Kb4 Ne4 27.Kb5 Rd6 28.Ra1 Kb7 29.Ra5 Nc3 30.Kc5 Rc6 31.Kb4 Rb8 32.Ra1 Kc8 33.Ka5 Rb5 0–1. ifairclough – quikeagle, net–chess.com, 2002.

2.Bb2 a5

3.b5 c5 4.c4 b6 5.e3 d6 6.Be2 Nd7 7.Bf3 Rb8 8.Ne2 e6 9.0–0 Ne5 10.Be5 de5 11.Nbc3 f5 12.Bc6 Bd7 13.d4 ed4 14.Bd7 Qd7 15.ed4 Nf6 16.d5 ed5 17.Nd5 Nd5 18.cd5 Be7 19.Nf4 0–0 20.a4 Bf6 21.Rc1 Bd4 22.Ne6 Rf6 23.Nd4 cd4 24.Qd4 Rd6 25.Rfd1 Rd8 26.Qe3 Rd5 27.Rd5 Qd5 28.h3 Qd6 29.Rc6 Qb4 30.Rb6 Qa4 31.Qe6 Kh8 32.Rd6 Rd6 33.Qe8 1–0. druhynejhorsi (1725) – f3f6 (1835), kurnik, 2012.

3.b5 c5 4.e4 e5 5.c4 b6 6.Nc3 Ne7 7.Be2 g6 8.f4 d6 9.Nf3 Bh6 10.fe5 de5 11.Nd5 0–0 12.0–0 Nd5 13.cd5 Nd7 14.Bc1 Bb7 15.d3 Bg7 16.Nd2 Qe7 17.Nc4 Rad8 18.Be3 f5 19.Qc1 f4 20.Bf2 g5 21.Bg4 Rf6 22.Be6 Kh8 23.Qb2 Rh6 24.Qe2 Nf8 25.Bf5 Bc8 26.Qg4 Bf5 27.Qf5 Nd7 28.d6 Qf6 29.Qg4 Rg6 30.Rac1 Kg8 31.Nb6 Nb6 32.Bc5 Nd7 33.Ba3 Qe6 34.Qe6 Re6 35.Rc6 Bf8 36.b6 Nb8 37.Rc7 Bd6 38.Bd6 Red6 39.Rc5 Rb6 40.Re5 h6 41.Ra5 Rd3 42.e5 Re3 43.Rd1 Kf7 44.Ra7 Ke6 45.Rd8 Ke5 46.h3 Nc6 47.Re8 Kd4 48.Rd7 Kc5 49.Re3 fe3 50.h4 Rb2 51.Kf1 gh4 52.Ke1 Nd4 53.Rc7 Kb4 54.Rb7 Kc3 55.Rb2 Kb2 56.a4 Kb3 57.a5 Nb5 58.a6 Kb4 59.Ke2 Ka5 0–1. druhynejhorsi (1710) – f3f6 (1815), kurnik, 2012.

2.Bb2 a6

3.a3 e5 4.e3 Ne7 5.d4 ed4 6.ed4 Nbc6 7.d5 Ne5 8.f4 N5g6 9.f5 (better is 9.Qh5 d6 10.Bd3+=) 9...d6?? (better is 9...Nf5 10.Kf2 Qe7–/+) 10.fg6+– hg6 11.Nf3 Bg4 12.Nbd2 Qd7 13.h3 Bf5? 14.Nd4 Nd5 15.Nf5 Qf5 16.Qe2 Be7 17.0–0–0 0–0–0? 18.g4 Qd7 19.Bg2 Nb6 20.Rhe1 Rde8 21.Qf3 c6 22.Kb1 d5 23.Nb3 Nc4 24.Ka2 g5 25.Bd4 Kb8 26.Nc5 Bc5 27.Bc5 Re1 28.Re1 Re8 29.Re8 Qe8 30.Qg3 Kc8 31.Kb3 Ne5 32.Qe3 Qd7 33.Bd4 Nf7 34.Bf1 Nd6 35.Bd3 Kb8 36.Bc5 Kc7 37.Qg3 b6 38.Bd6 Qd6 39.Qd6 Kd6 40.c4 d4 41.Bf5 c5 42.Bc8 cb4 43.Ba6 ba3+= 44.Ka3 Ke5 45.Kb2 g6 46.Bb7 f5 47.Kc2+/– f4?? 48.Kd3+– f3 49.Bf3 Kf4 50.Be4 Kg3 51.Bg6 Kh3 52.Bf5 Kg3 53.Kd4 Kf4 54.Kd5 Ke3 55.Kd6 Kd4 56.Be6 (56.Be6+–) 1–0. mihai740609 – rak69, kurnik, 2011.

3.e3 b5 4.a4 ba4 5.Ra4 d6 6.Nf3 Bd7 7.Ra1 Bc6 8.c4 Nd7 9.d4 Bb7 10.Nbd2 e5 11.d5 c5 12.bc5 Nc5 13.Be2 Qb6 14.Rb1 Qc7 15.0–0 a5 16.e4 a4 17.Ba3 Nb3? (Better is 17...Bc8+=) 18.Nb3+– ab3 19.Qb3 Ra7 20.Rb2 Ne7 21.Rfb1 Ba6 22.Qb8 Qb8 23.Rb8 Kf7 24.Bd6 g6 25.Ra1 Bg7 26.Rb6 Rha8 27.Bb8 Bf8 28.Ba7 Ra7 29.Rba6 Rb7 30.Ra7 Rb2 31.Bf1 Kg7 32.d6 Kf7 33.de7 Be7 34.Rc7 Rc2 35.Raa7 (35...Kf8 36.Re7+–) 1–0. chevin – rutcho, Live Game Caissa's Web, 2004.

2.Bb2 b6

(--> 1.b4 b6 2.Bb2 f6).

3.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 f6).

3.Nf3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.Nf3 f6).

2.Bb2 c5

3.bc5 Nc6 4.e3 e5 5.d4 d5 6.cd6 Bd6 7.de5 Ne5 8.Be5 fe5 9.Bd3 Qf6 10.Ne2 Bf5?? (10...Be6 11.Nec3+/–) 11.0–0 (better is 11.Bf5 Ne7 12.Be4+–) 11...0–0–0 12.Bf5 Qf5 13.Qc1 e4 14.Ng3 Bg3 15.fg3 Rd6?? (better is 15...Qc5+=) 16.Rf5+– Rf6 17.Rf6 gf6 18.Qa3 1–0. swislina – banjoman, kurnik, 2011.

3.bc5 d5 4.Bc3 (better is 4.cd6!? e5 5.e4+/–) 4...e5 5.d4 Nc6 6.e3 ed4 7.ed4 h5 8.Bd3 a6 9.Bg6 Kd7 10.Bh5 g6? (better is 10...Nge7+–) 11.Bg6 Nge7 (11...Qe7 12.Qe2+–) 12.Bd3 Bh6 13.Nd2 Qg8 14.g3 Kc7 15.Nb3 Bg4 16.f3 Bd7 17.Ba5 Na5 18.Na5 b6 19.cb6 Kb6 20.Qd2 (better is 20.Nb3+–) 20…Bd2–+ (20...Bd2 21.Kd2 Ka5–+) 0–1. swislina – banjoman, kurnik, 2011.

2.Bb2 Nc6

3.a3 b6 4.f3 Bb7 5.e4 e6 6.d4 Qe7 7.Bd3 0–0–0 8.Ne2 Qf7 9.c3 Nge7 10.0–0 h5 11.Nd2 h4 12.a4 h3 13.g3 f5 14.e5 (better is 14.a5!?+/–) 14...Nd5+= 15.Qb3 Ne3 16.Rf2 a5 17.b5 Na7 18.c4 Qh5 19.Nf4 Qg5 20.Re1 Nc4?? (better is 20...Ng2 21.Ng2 hg2 22.Rg2 Bb4+/–) 21.Nc4 Bb4 22.Ree2 Qe7 23.Ng6 Qf7 24.Nh8 Rh8 25.Qc2 Qg6 26.Nb6 Kd8 27.Nc4 Qg5 28.Bc1 Qe7 29.Bd2 g5 30.Bb4 Qb4 31.Rf1 f4 32.g4 Qe7 33.Nd2 Kc8 34.Ne4 Kb8 35.Nc5 Bd5 36.Na6 Kb7 37.Qc7 Ka8 38.b6 Nc6 39.b7 Ka7 40.b8Q# 1–0. amator111 (1665) – rikiks, kurnik, 2011.

3.b5 Nb4 4.e4 e5 5.a3 Nd5 6.ed5 d6 7.Bc4 Ne7 8.Ne2 b6 9.0–0 Bb7 10.Nbc3 Ng6 11.f4 Be7 12.f5 Nh4 13.Ng3 c6 14.dc6 Bc8 15.Qh5 g6 16.Qh4 Kf8 17.Qh6 Ke8 18.fg6 d5 19.g7 Rg8 20.Qh5 1–0. Rachow,Thomas (1620) – Goertz,Hans_Georg, DESC (year?).

3.b5 Ne5 4.e3 b6 5.Be5+/– fe5 6.Nf3 (6.Qf3 Rb8 7.Qh5 g6 8.Qe5 Nf6+/–) 6...d6 (6...e4 7.Ne5 Nf6 8.Nc3=) 7.c4 Bb7 8.Be2 Qd7 9.d3 0–0–0 (9...a6 10.Nc3+=) 10.a4+/– Kb8 (10...Nf6 11.a5+/–) 11.Nc3 a5? (better is 11...Nf6+/–) 12.ba6!+– Ba6 13.Qb3 e6 14.a5 Bb7 15.ab6 cb6 16.Nb5 Qc6 17.Qa4 Rd7?? 18.0–0 Nf6 19.Ra2 Be7 20.Rfa1 Rdd8 21.Na7?? Qa4+/– 22.Ra4 Nd7 23.d4 d5 24.cd5+/– Bd5 25.Nb5 ed4 26.Nbd4 Bc5 27.Bc4 Bc4 28.Rc4 e5 29.Ne6 Rc8+/– 30.Ng7 Rhe8? 31.Nf5?? e4 32.N3d4 Bd4 33.Rc8 Rc8 34.Nd4 Nc5 35.g3 Kb7 36.Nb5 Nd3? 37.Nd6+– Kc7 38.Nc8 Kc8 39.Ra7 h5 40.Rh7 h4 41.gh4 b5 42.Rh5 b4 43.Rb5 Kd7 44.h5 Kc6 45.Rb8 Kc7 46.Rb4! Nb4 47.h6 Nd5 48.h7 Nf6 49.h8Q (49.h8Q Nd7 50.h4+–) 1–0. Fournier,Frederic (1975) – jachachau (1810), Active (5/0), 2006.

3.b5+= Ne5 4.e3 d5 5.Nc3 Nc4 (5...Nh6 6.d4 Ng6 7.Bd3+=) 6.Bc4+/– dc4 7.Qe2 Be6 (7...a6 8.Qc4 ab5 9.Qb5 Qd7 10.Nf3+/–) 8.Qf3 (better is 8.Nf3+/–) 8...g5? (better is 8...Rb8+/–) 9.Qb7+– Bf5 (9...Nh6 10.h4 gh4 11.Nf3+–) 10.Qc6 Bd7 11.Qc4 Rb8 (11...Rc8 12.a4+–) 12.Nge2 e5 (12...Qc8 13.Nd4+–) 13.f4 gf4 14.ef4 ef4 15.a4 Ne7 16.Ne4 Bg7 17.Nf4 Bf5 18.Nh5 Bh6 19.Nhf6 Kf8 20.0–0 a6 21.Qc5 Bd7 22.Nd7 Ke8 23.Nef6 Kf7 24.Qh5 Kg7 25.Nd5 Kg8 26.Qf7# 1–0. marekt – arac, internet, 2010.

2.Bb2 d6

(--> 1.b4 d6 2.Bb2 f6).

3.e3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 f6).

2.Bb2 e5

(--> 1.b4 e5 2.Bb2 f6).

3.b5 c6 4.e4 (--> 1.b4 e5 2.Bb2 f6 3.e4 c6 4.b5).

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

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

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

2.Bb2 Kf7

3.c4 e5 4.b5 c6 5.a4 d5 6.e3 Be6 7.Qb3 Bc5 8.Nf3 Ne7 9.d4 Bb6 (better is 9...ed4 10.Nd4 Bd4 11.Bd4 Nf5=) 10.de5+/– fe5 11.Ne5 Kf6?? (better is 11...Kg8+/–) 12.Nc6+– d4 (12...Kf7 13.Nd8 Rd8 14.Qc3+–) 13.Nd8 Rd8 14.ed4 Rd4 15.Nd2 Nd7 16.Nf3 Nc5 17.Bd4 Kf7 18.Bc5 Bc5 19.Bd3 Nd5 20.0–0 Nf4 21.Be4 Rb8 22.g3 Nh5 23.Bd5 Nf6 24.Be6 Ke6 25.Rfe1 Kf7 26.Kg2 Rd8 27.Rad1 b6 28.Rd8 h6 29.Ne5 Ke6 30.Nd3 Kf7+– 31.Nc5 g5 32.Qe3 Kg6 33.f3 Ne4 34.Qe4 Kh5 35.Qe8 1–0. marvis (1735) – jbjovy (1690), kurnik, 2012.

3.c4 Ke8 4.Nc3 Kf7 5.d4 Ke8 6.e4 Kf7 7.c5 e6 8.d5 e5 9.f4 d6 (9...ef4 10.d6 Combination) 10.Nf3 (better is 10.fe5 fe5 11.Nf3+/–) 10...Bg4?? (10...ef4 11.c6 bc6 12.dc6+=) 11.Be2?? (11.Ne5 de5 12.Qg4 ef4 13.Qe6 Kg6 14.Ne2+–) 11...Bf3 12.Bf3 Nd7 13.0–0 Ne7? 14.b5 Nc5+= 15.f5 Kg8 16.a4 b6 17.Ne2 a5 18.g4 Kf7 19.Ba3 Ke8 20.h4 Kd7 21.Bc5 dc5 22.g5 Nc8 23.g6? hg6–+ 24.fg6 Kd6 25.Bg4 Rh4 26.Be6 Re4?? 27.Ng3+– Rd4 28.Nf5 1–0. iczker – lyzane (1735), kurnik, 2011.

3.c4 g6 4.Qb3 Bg7 5.c5 e6 6.g3 c6 7.Bg2 Ne7 8.Nf3 Rf8 9.h4 Kg8 10.h5 d5 11.hg6 hg6 12.Qd3 Qe8 13.Nh4 f5?? (better is 13...e5=) 14.Bg7+– Kg7 15.Qd4 Rf6 16.e4?? (better is 16.Nf3 Ng8 17.Ng5+–) 16...de4 17.Bf1 Nd7 18.Nc3 e5 19.Qe3 Nf8 20.Qg5 Ne6 21.Qe3 Nd4 22.0–0–0 Be6 23.Nf3 ef3 24.Qh6 Kf7 25.Qh7 Kf8 26.Qh8?? Ng8–+ 27.Rh7 Rf7 28.Rf7 Qf7 29.Re1 Qg7 30.Qg7 Kg7 31.Re5 Kf6 32.Re3 g5 33.Bd3 g4 34.a4 White prepares b5 34...Rd8 35.b5 Ne7 36.bc6 Nec6 37.Bb5 a6 38.Bc6 bc6 39.Rd3 Nb3 40.Kc2 Rd3 41.Kd3 Nc5 42.Kd4 Nb3 43.Kd3 c5 44.Kc2 Nd4 45.Kd3 Ke5 46.Nb1 c4 47.Kc3 Ne2 48.Kc2 f4 49.gf4 Nf4 50.Nc3 Nd3 51.Nd1 Kf4 52.Ne3 g3 53.fg3 Kg3 54.Kc3 f2 55.Kd4 Kf3 56.Nf1 Ke2 57.Ne3 Kd2 58.Nc4 Ke1 59.Ne3 Nb2 60.Ke5 Nd1 (60...Nd1 61.Nd1 f1Q 62.Ke6 Qe2 63.Ne3 Qe3 64.Kf5 Qa3–+) 0–1. wk1234 – ruxak55, kurnik, 2012.

3.c4 Kg6 4.e3+= e6 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 d5 9.d4 Nd7 (9...Kf7 10.Bd3+=) 10.Bd3+/– Kf7 (10...f5 11.cd5 ed5 12.Qg4 Kf7 13.Qf5 Ngf6 14.Qg5+/–) 11.Nf3 (better is 11.Qh5!? Ke7 12.cd5+–) 11...dc4+= 12.Bc4 Nb6 13.Bd3 Bb4 14.Bc3 Nd5 15.Bd2 Nge7 16.0–0 Re8 (16...Bd6 17.e4 Nf4 18.Bc4+/–) 17.Qb3 (17.Bb4 Nb4 18.Bh7 g6+/–) 17...Bd2 18.Nfd2 Kg8 19.g3 Qd6 20.Nc4 Qd7 21.Nbd2 Kh8 22.Ra1 Ng6 23.Ra8 b6 24.Be4 Bb7 25.Re8 Qe8+= 26.Nb2 f5 27.Bf3 h6 28.Nd3 Kh7 29.Nc4 Qe7 30.Nce5 Ne5+= 31.Ne5 c5? 32.bc6+– Bc6 33.Nc6 Qd6 34.Ne5 Qc7 35.Bd5 ed5 36.Qd5 Kh8 37.Nd7 Kh7 38.Qf5 (38.Qf5 Kh8 39.Qb5+–) 1–0. carocan (1695) – ogr72 (1765), kurnik, 2011.

3.c4 Kg6 4.e3 Kf7 5.d4 e6 6.Qb3 g6 7.b5 d6 8.a4 c6 9.f4 b6 10.Nf3 a6 11.Bd3 h6 12.Nbd2 Ra7 13.0–0 Bg7 14.e4 Ne7 15.e5 f5 16.ed6 Qd6 17.Ne5 Be5 18.de5 Qc5 19.Kh1 Rd8 20.Nf3 Rad7 21.Be2 ab5 22.ab5 cb5 23.Ba3 bc4 24.Bc4 Qc6 25.Bd6 Rb7 26.Rac1 Qe8 27.Bb5 Bd7 28.Bd7 Nd7 29.Nd4 Nd5 30.Rc6 Rc8 31.Rc8 Qc8 32.Rd1 Nc5 33.Qa2 Ne4 34.Nb5 Ndc3 35.Qc2 Nd6 36.Nd6 Kf8 37.Nc8 1–0. carocan (1710) – jetoon1, kurnik, 2012.

3.e3 a5 4.b5 a4 5.a3 d6 6.Bc4 d5 (better is 6...e6!?+=) 7.Qh5+/– Ke6 8.Ba2 g6 9.Qf3 c6 10.e4 Kf7 11.ed5 Kg7 12.dc6 bc6 13.bc6 Qb6 14.Bc3 Nc6 15.Ne2 Bb7 16.0–0 Nh6 (16...e5 17.Ng3 Bc5 18.Qd5+/–) 17.Qe3 (better is 17.Nf4 Nd8 18.Qg3+–) 17...Qc7?? (17...Qe3 18.fe3 e5 19.Bb2+/–) 18.h3 (better is 18.Nf4 Qf4 19.Qf4+–) 18...e5+= 19.d4 Nf5= 20.Qd2 Rd8 21.d5+= Ba6 22.g4 Nh4 23.Qe3+= Nb8 24.Rd1 Bd6 25.Nd2?? Be2–+ 26.Qe2 Qc3 27.Ne4 Qh3 28.f4 ef4 29.Nd6 Rd6 30.Rd3 f3 31.Qe7 Kh6 32.Rd2 Rhd8 33.Kf2 Qg4 34.Rg1 Qf4 35.Qe3 Qe3 36.Ke3 Nd7 37.c4 Nc5 38.Rh2 g5 39.Kd4 Nb3 40.Kc3 Rc8 41.Bb3 ab3 42.Kb3 Kg6 43.Rh4 h5 44.Rd4 Rb6 45.Kc3 Rd6 46.Rd3 Ra8 47.Kb4 Rb6 48.Kc5 White intends d6 48...Rba6 49.d6 Ra5 50.Kb4 Ra4–+ 51.Kc5 Ra3 (51...Ra3 52.Ra3 Ra3–/+) 0–1. emeryt85 – ogr72 (1605), kurnik, 2011.

3.e3 e6 4.a3 d5 5.d4 b6 6.c4 c5 7.dc5 bc5 8.b5 Be7 9.Nf3 dc4 (9...a6 10.ba6 Na6 11.Qc2+=) 10.Qd8 (10.Ne5!? Kf8 11.Qf3+/–) 10...Bd8+= 11.Bc4 Ba5 12.Nbd2 a6 13.0–0–0 ab5 14.Bb5 Ne7 15.Ne4 Bb6 16.Nd6 Kg6? (better is 16...Kf8+/–) 17.Bd3+– f5?? (17...Kh5 18.g4! Kg4 19.Rhg1 Kh5 20.Rg3 e5 21.Nc8 Nf5 22.Bf5 Ra4 23.Rh3 Rh4 24.Rh4#) 18.Ne5 Kf6 19.Nef7 (19.Nef7 e5 20.Be5 Ke6 21.Bc4 Kd7 22.Nh8+–) 1–0. lendzior (1700) – ogr72 (1820), kurnik, 2012.

3.e3 Ke6 4.c4 Kf7 5.Nf3 g6 6.d4 e6 7.c5 Bg7 8.Bc4 c6 9.a4 a5 10.b5 cb5 11.Bb5 Ne7 12.0–0 Nbc6 13.Na3 d5 14.cd6 Qd6 15.Nc4 Qd8 16.Ba3 Nb4 17.Qb3 Ned5 18.e4 Nf4 19.Bb4 ab4 20.Qb4 Bf8 21.Qd2 g5 22.e5 f5 23.Nd6 Bd6 24.ed6 h6 25.Ne5 Kf6 26.d7 b6 27.dc8Q Rc8 28.Rac1 Qd5 29.f3 Qd4 30.Qd4 Ne2 31.Be2 Rc4 32.Nc4 Kg6 33.Qh8 1–0. bananinha (1610) – cucarachacha (1775), kurnik, 2012.

3.e3 g6 4.f4 Kg7 5.Nf3 d6 6.Bc4 e5 7.fe5 fe5 8.0–0 Be7 9.d4 d5 10.Be2 e4 11.Ne5 Nf6 12.a3 Nbd7 13.c4 c6 14.Nc3 Rf8 15.cd5 Nd5 16.Ne4 Ne5 17.de5 Be6 18.Bd4 Rf1 19.Qf1 Qf8 20.Nf6 Nf6 21.ef6 Bf6 22.Bf6 Qf6 23.Rd1 Qf1 24.Kf1 Kf6 25.Bf3 a5 26.Ke2 ab4 27.ab4 Ra4 28.Rb1 Bf5 29.Rb2 Ke5 30.h3 Be4 31.b5 c5 32.b6 Rb4 33.Rd2 Rb6 34.Rd7 Rb2 35.Ke1 Bf3 36.gf3 c4 37.Rh7 b5 38.Rc7 Kd6 39.Rc8 Rb3 40.Ke2 c3 41.Kd3 b4 42.e4 Rb2 43.f4 Rd2 44.Ke3 Rh2 45.Rh8 c2 46.e5 Ke6 47.Rc8 b3 48.Ke4 b2 49.Rc6 Kd7 50.Rd6 Ke7 51.Rc6 c1Q 52.Kd5 Qc6 0–1. lllllll21 – walaki (1745), kurnik, 2012.

2.Bb2 Nh6

3.c4 g6 4.e3 Bg7 5.b5 0–0 6.Nf3 Kh8 7.d4 Ng8 8.Be2 d6 9.0–0 e5 10.de5 (10.Nc3!?+/–) 10...fe5= 11.g3 (11.c5 Nf6+=) 11...e4 (better is 11...a6+=) 12.Nh4?? (12.Bg7 Kg7 13.Qd4 Qf6=) 12...Bh3 (12...Bb2 13.Nd2–+) 13.Ng2?? Nf6 14.Bd4 Ng4?? 15.Nd2 Bd4–+ 16.ed4 Rf6?? 17.Ne4 Rf5?? 18.Bg4+– Bg4 19.Qg4 h5 20.Qg6 Nd7 21.Qf5 (21.Qf5 Qe7 22.Rae1+–) 1–0. thecat74 – querciato, kurnik, 2012.

3.d4 e6 4.e4 (4.a3!?=) 4...Bb4+= 5.c3 Bf8 (5...Be7 6.Qh5 Nf7 7.Ba3+=) 6.Nh3 (6.Nf3 d5 7.Bd3 Bd6+=) 6...Nf7 (6...d5 7.Qh5 g6 8.Qe2–/+) 7.Bd3 Qe7 (7...d5 8.Qh5+=) 8.0–0= g6 9.Qa4 (9.Nf4 Nc6=) 9...Bg7 (9...c6 10.c4+=) 10.Ba3 Qd8 11.Nd2 c6 12.Qb3 (12.f4 d6+=) 12...d6 13.f4 0–0 (13...b5 14.Nf3+=) 14.f5 e5 (14...gf5 15.ef5 ef5 16.Rae1+=) 15.de5 (15.fg6 hg6 16.de5 fe5 17.Bc4+=) 15...de5 (15...fe5 16.fg6 hg6+=) 16.Bf8+/– Bf8 (16...Qd3!? 17.Bg7 Kg7+/–) 17.fg6 (17.Ng5 Qb6 (worse is 17...fg5 18.fg6 Qb6 19.Qb6 ab6 20.gf7 Kg7 21.Bc4+–) 18.Qb6 ab6+–) 17...hg6 18.Ng5! Do you see the mate threat? 18...Qe8?? 19.Rf6 Nd7 20.Rg6 Bg7 21.Rf1 Nc5 22.Rf7 Nb3 23.Rfg7 Kh8 24.Rh7 1–0. b4_player – opponent, gamecolony.com, 2007.

3.d4 Nf7 4.e3 c6 5.Nf3 Na6 6.a3+= Nc7 7.Bd3 b5 8.0–0 a6 9.Nbd2 d5 10.e4 e6 11.e5 f5 12.Nb3 Bb7 13.Qd2 Be7 14.Nc5 Rb8 15.a4 Bc5 16.bc5 h6 17.h4 g5+= 18.g3 g4 19.Ne1 h5 20.Ng2+/– Ke7 21.Nf4 Qg8 22.Qb4 Rh7 23.ab5 Nb5 24.c4 Nc7 25.cd5 Nd5 26.Nd5 ed5 27.Bf5 Rg7 28.Bc1 Qc8 29.Bc8 Rc8 30.Qb7 Kd8 31.e6 Nh6 32.Bg5 Ke8 33.Qc8# 1–0. mtr – guest, internet, 2009.

3.d4 Nf7 4.e3 e6 (4...e5 5.a3=) 5.b5 (5.a3 d5=) 5...Be7 6.Nf3 d5 7.c4 0–0 8.Bd3 dc4 9.Bc4 a6 10.a4 ab5 (10...Nd6 11.Bd3=) 11.ab5 Ra1 12.Ba1 Qd6 (12...Qd7 13.Bd3+=) 13.0–0 Nd7 14.Qb3 (14.Bb2 Nb6 15.Bd3 Qd7+/–) 14...Nb6 15.Bd3 Nd5 (15...Bd7 16.Nc3+=) 16.Qc2 (16.Bb2 Qd7+=) 16...f5 17.Bc4 Nb6 18.Bb3 Bd7 19.Nc3 g5 (19...Nd5 20.Ne5+=) 20.h3 h5 (20...Nd5 21.Ne5+=) 21.e4+/– g4 22.hg4 hg4 23.Ne5! f4 (23...Qe5 24.de5) 24.Ng6+– (24.Nd7?! Qd7 25.e5 Kg7+/–) 24...Ng5? (24...Bg5 25.Nf8 Kf8+–) 25.e5 (25.Nf8?! Kf8 26.Rd1 f3+–) 25...Qb4 26.Na2 (26.Nf8?! Kf8 27.d5 ed5 28.Bd5 Nd5 29.Nd5 Qb5 30.Nf4 Qc6+–) 26...Qb5 27.Ne7 Kf7 28.Qg6 (better is 28.Ng6 Nd5 29.Nc3 Nc3 30.Bc3 Ne4+–) 28...Ke7 29.Qg5 Ke8 30.Bc2 (30.Bc2 Bc6 31.Bg6 Kd7 32.Nc3+–) 1–0. Sergeeva,Tatyana (2245) – Paehtz,Elisabeth (2230), Elista ol, 1998.

3.e3 d6 4.Qh5 Nf7 5.Qd1 e5 6.c4 Be6 7.a3 Qd7 8.d4 e4 9.d5 Bf5 10.Nc3 Be7 (10...a5 11.Nge2+=) 11.Qc2+/– 0–0 12.Nge2 Bg4 13.Ng3 f5 (better is 13...Qd8!?+/–) 14.h3+– Bh5?! (14...f4 15.ef4 (15.Qe4 fg3 16.Qg4 gf2 17.Kd2 Bf6+=; 15.Nce4?! fg3 16.Ng3 Bf3+–; 15.Nge4?! Bf5+–) 15...Bf5 16.Nf5 Qf5 17.Qe4 Qe4 18.Ne4+–) 15.Nh5 Ng5 (15...a5 16.b5+–) 16.Nb5 (better is 16.Ne2 g6 17.Qc3 Kf7+–) 16...Qe8 (16...c6 17.Bg7 cb5 18.Bf8 Kf8+–) 17.Ng7 Qd7 18.h4 Nf7 19.Ne6 Re8 (19...Na6 20.g4 fg4 21.Qe4+–) 20.Nbc7 Na6 21.Na8 Ra8 22.Qc3 Ne5 23.Rh3 Bf6 24.Qc2 Qe7 25.Rg3 Ng4 26.f3 ef3 27.gf3 Kf7 28.Bf6 Nf6 29.Rg7 Ke8 30.Re7 Ke7 31.Qf5 Rg8 32.0–0–0 Nb8 33.Nc7 Rg1 34.Qe6 Kf8 35.Qf6 Kg8 36.Qd8 Kg7 37.Ne6 Kg6 38.Bd3 Kh5 39.Rg1 Na6 40.Qg5# 1–0. lican – vlopes, kurnik, 2012.

3.e3 e5 4.a3 =.

3.e3 Nf7 4.c4 g6 5.d4 Bg7 6.Nf3 b6 7.Nc3 Bb7 8.Be2 c6 9.0–0 Na6 10.a3 d6 11.Rc1 Nc7 12.Qc2 Qd7 13.Nd2 0–0 14.Rcd1 d5 15.Nf3 Rae8 16.Rd2 e5 17.de5 Ne5 18.cd5 Nd5 19.Nd5 cd5 20.Rfd1 Rc8 21.Qb3 Kh8 22.Nd4 Nc4 23.Bc4 dc4 24.Qc3 f5 25.Qc1 c3 26.Bc3 Rc3 27.Qc3 Rc8 28.Qb2 Qd5 29.f3 Qe5 30.Kf2 g5 31.g3 f4 32.e4 fg3 33.hg3 h5 34.Rc1 Rc1 35.Qc1 h4 36.gh4 gh4 37.Qh1 Qg3 38.Ke2 Ba6 39.Kd1 Bc4 40.Nf5 Bb3 41.Kc1 Bc3 42.Ng3 Bd2 43.Kd2 Kg7 44.Qh4 Kg6 45.Nf5 Kf7 46.f4 Ke6 47.Qe7 1–0. vihavald (1640) – soarenicolae4 (1665), kurnik, 2012.

3.e3 Nf7 4.f4 e6 (4...e5 5.a3=) 5.b5 d5 6.Nf3 Be7 7.Be2 0–0 8.0–0 a6 9.a4 c5 10.c4 b6 11.h3 (11.d3 Bb7=) 11...Qd6 (11...dc4 12.Bc4 Nd6 13.Be2=+) 12.Nh4 (12.Nc3 dc4 13.Bc4 Qd7=) 12...ab5 13.ab5 Ra1 14.Ba1 d4 (14...Rd8 15.d3=+) 15.Qc2= Rd8 16.Bh5 Nh8 (16...d3 17.Qc3=) 17.f5 (17.ed4 cd4 18.Nf3 d3–+ (18...Qf4?! 19.Bg4–/+)) 17...e5 (17...d3 18.Qd1=) 18.Bf3 Bd7 (18...Rd7 19.Bd5 Nf7 20.Ng6=) 19.Bd5+= Kf8 20.Qe4 ( 20.e4!?+=) 20...Bb5=+ 21.Rf3 (21.ed4!? cd4 22.Ng6 hg6 23.Qh4=+) 21...Bc6–/+ 22.Qg4 (22.Bc6!? Nc6 23.Rg3–/+) 22...Bd5–+ 23.Rg3 g5 24.fg6 hg6 25.cd5 Qd5 26.Ng6 Ng6 27.Qg6 Qf7 28.Qf5 Nd7 29.Rg6 Ke8 30.Rh6 Nf8 (31.Qf3 Qa2 32.Qh5 Kd7 33.Qf5 Ne6–+) 0–1. Micheel – Roever, corr SOK–89–34, 1989.

3.e4 e5 =.

3.e4 Nf7 4.Nf3 e6 5.a3 Be7 6.Be2 d5 7.ed5 ed5 8.0–0 0–0 9.c4 dc4 10.Bc4 Bg4 11.h3 Bf3 (11...Bh5 12.Qb3=) 12.Qf3+= c6 13.Qb3 Nd7 14.Re1 Nb6 15.Be6 Nc8 16.Nc3 Ncd6 17.Ne4 Kh8 18.Nc5 Ng5 19.f4 b6 20.fg5 bc5 21.bc5 Nb5 22.a4 (better is 22.Qe3!? fg5 23.Bc4+/–) 22...Bc5= 23.Kh1 Nd4 24.Qc4 Qd6 (24...Rb8!? 25.Bc3 Qd6=) 25.Rac1+= Bb6 (25...Ne6? 26.Re6 (26.Qe6?! Qd2 27.gf6 Qb2 28.fg7 Qg7 29.Rc5 Rf6+=) 26...Qd2 27.Re2 (27.Qc5?! Qb2 28.Rf1 f5+=) 27...Qg5 28.Qc5 Qc5 29.Rc5+–) 26.gf6 gf6 (26...Rf6!? 27.Bd4 Bd4 28.Qc6 Qf8+=) 27.Bd4+/– Bd4 28.Qc6 Qf4 29.Rf1 (29.Qe4!? Qe4 30.Re4+–) 29...Qd2+/– 30.Rcd1 Qc3 31.Qe4 Be5 (better is 31...Rad8!?+/–) 32.Rd7+– f5 33.Bf5 Bg7 34.Qg4 Rae8?? (better is 34...Qf6+–) 35.Qh5 (35.Ra7 Re1 36.Qf3 Qf3 37.gf3 Rf1 38.Kg2 Rc1–+ (38...Rf5?! 39.Ra8 Bf8 40.Kf1–/+)) 35…h6 1–0. Mamuzic,Mirko (2265) – Szabados,Karoly (2075), Subotica City–ch, 2008.

3.h3 e5 4.b5 d5 5.e3 Nd7 6.Be2 Nf7 7.Bh5 Be7 8.Ne2 0–0 9.0–0 Nc5 10.a4 Bf5 11.d4 ed4 12.Nd4 Be4 13.f3 Bg6 14.Bg6 hg6 15.Ba3 Re8 16.Bc5 Bc5 17.Nb3 Be3 18.Kh1 Bf4 19.Nc3 Be5 20.Qd2 Qd6 21.Rae1 Qb4 22.Nb1 Qa4 23.f4 Bd6 24.Qd5 Re1 25.Re1 Qf4 26.Kg1 Qh2 27.Kf1 Rf8 28.Qb7 Qf4 29.Qf3 Qb4 30.Qd5 Qf4 31.Qf3 Qh2 32.N1d2 Bb4 33.c3 Bd6 34.Qd5 Qh1 35.Ke2 Qh2 36.Kd3 Qg3 37.Re3 Qf2 38.Re2 Qb6 39.Nc4 Qg1 40.Nba5 Qb1 41.Rc2 Kh8 42.Qf3 Ne5 43.Ne5 Be5 44.Nc4 Rd8 45.Ke3 Qc2 46.Ne5 fe5 47.Qe4 Qc3 48.Kf2 Rd2 49.Kg1 Qc1 50.Kh2 Qb2 51.Qa8 Kh7 52.Qb7 1–0. cogit – aurasmarian78, kurnik, 2012.

2.b5 a6

3.ba6 Na6 4.Bb2 e5 5.e3 d5 6.a4 Be6 7.Nf3 Bb4 8.c3 Bd6 9.d4 e4 10.Ng1 Nh6 11.h3 0–0 12.Ne2 Nf7 13.g3 g5 14.Nd2 Qd7 15.Bg2 c5 16.Nb3 c4 17.Nd2 h6 18.Ba3 Ba3 19.Ra3 Kg7 20.Ra2 Rh8 21.Qb1 h5 22.Qb6 Kg6 23.a5 Rac8 24.Rb2 Rc7 25.Qb5 Qb5 26.Rb5 Nd6 27.Rb6 Nc8 28.Rb5 Bd7 29.Rb2 Ba4 30.0–0 f5 31.Rfb1 Rhh7 32.Nf1 Rhf7 33.f4 h4 34.fg5 Kg5 35.gh4 Kh4 36.Nf4 Bc6 37.Kh2 Rg7 38.Nd2 Rg5 39.Rg1 Rcg7 40.Rbb1 Rg3 41.Nf1 R3g5 42.Ne6 Nd6 43.Ng7 Rg7 44.Bh1 Rg1 45.Kg1 f4 46.Kf2 Nf5 47.ef4 Nc7 48.Ne3 Ne3 49.Ke3 Kh3 50.Rb2 1–0. poganinbezdom (1625) – obbama, kurnik, 2012.

3.c4 c6 4.e4 d6 5.Nf3 Bg4 (5...ab5 6.cb5 d5 7.ed5 cd5 8.d4+=) 6.h3+= Be6 (6...Bf3 7.Qf3 e5 8.bc6 Nc6 9.Bb2+=) 7.Qa4 g6 (7...cb5 8.cb5 Bd7 9.d4+/–) 8.d4+/– Nd7 9.bc6 bc6 (Better is 9...Nb6!? 10.c7 Na4 11.cd8R Rd8+/–) 10.Qc6+– Qb8 11.Nbd2 Bh6 12.c5 Qb4 13.Qa8 Kf7 14.d5 Nf8 15.c6 f5 16.de6 Ke6 17.Rb1 Qa4 18.Bc4 Kf6 19.Bb2 e5 20.Be5! Ke7 21.Rb7 Nd7 22.Rd7# 1–0. Taulien,Hans_Juergen – Tiedemann,Marcel, remoteschach.de, 2002.

3.c4 e5 4.Nf3 =+.

3.e4 e5 =.

2.b5 b6

3.Bb2 a5 4.a4 d6 5.e3 e5 6.Nf3 c5 7.c4 Nd7 8.Be2 Bb7 9.0–0 g5 10.d4 cd4 11.ed4 e4 12.Nfd2 Bg7 13.d5 Nc5 14.Nc3 Qe7 15.Bg4 h5 16.Bf5 e3 17.Nde4 Nh6 18.Nc5 bc5 19.Bg6 Nf7 20.Re1 0–0–0 21.Re3 Qd7 22.Bh5 Ne5 23.b6 Nc4 24.Re2 Rh7 25.Bf3 Rdh8 26.h3 Ne5 27.Re5 Rh3 28.g3 fe5 29.Bg4 Rh1 30.Kg2 R8h2 31.Kf3 e4 32.Ne4 Rd1 33.Bd7 Kd7 34.Rd1 Bb2 35.Ng5 Bd4 36.Rd2 Bd5 37.Kg4 Rf2 38.Rf2 Bf2 39.Nh3 Bd4 40.Nf4 Bb7 41.Nd3 c4 42.Ne1 c3 43.Nc2 Bb6 44.Kf5 d5 45.g4 d4 46.g5 d3 47.Na3 d2 48.g6 d1Q 49.Nc4 Qf3 50.Kg5 Be3 51.Kh4 Qf4 0–1. avinoam – geomuntean (1625), kurnik, 2012.

3.Bb2 d5 4.e3 Bb7 5.Nf3 e5 6.Nh4 Nd7 7.Qh5 g6 8.Ng6 hg6 9.Qh8 Ne7 10.Qh3 Nc5 11.d4 ed4 12.Bd4 Bc8 13.Bf6 Bh3 0–1. chybol3 – polish95, kurnik, 2012.

3.e4+= a6 4.d4 ab5 5.Bb5 c6 6.Bd3 g5?? (Better is 6...d5+=) 7.Qh5# 1–0. Taulien,Hans_Juergen – Fritz,Marco, remoteschach.de, 2001.

2.b5 e5

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

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

3.e3 a6 4.c4 ab5 5.cb5 c6 6.Bc4 cb5 7.Bg8 Rg8 8.Qh5 g6 9.Qh7 Rg7 10.Qh3 d6 11.Qf3 Nc6 12.Ne2 f5 13.e4 f4 14.Bb2 g5 15.Qh5 Kd7 16.Nbc3 Kc7 17.Nb5 Kb8 18.Nec3 Be6 19.Qe2 g4 20.Nd5 f3 21.gf3 gf3 22.Qf3 Bg4 23.Qb3 Rf7 24.a4 Bf3 25.Rf1 Be4 26.Ndc3 Bg2 27.0–0–0 Bf1 28.Rf1 Qe7 29.Nd5 Qd7 30.Nb6 Qe7 31.Na8 Ka8 32.Ba3 Qd8 33.Qc3 Rd7 34.Kc2 d5 35.Rb1 d4 36.Qb3 Ba3 37.Qa3 Qc8 38.Kd1 d3 39.Qc5 Rg7 40.f3 Qg8 41.Kc1 Rg1 42.Kb2 Rb1 43.Kb1 Qb3 44.Kc1 Qa4 0–1. jura1946 – wney, kurnik, 2012.

3.e3 d5 4.c4 d4 5.a4 c5 6.Qh5 g6 7.Qf3 Be6 8.ed4 cd4 9.d3 Nd7 10.Be2 Qc7 11.Nd2 0–0–0 12.a5 Kb8 13.a6 b6 14.Ne4 f5 15.Ng5 Bb4 16.Bd2 Bd2 17.Kd2 Bc4 18.dc4 Qc4 19.Qb7 1–0. jura1946 – fausto2dailha, kurnik, 2012.

2.c3 c6

3.e4 d5 4.f3 e5=+ 5.d4 Nd7 6.Be3 Ne7 7.Bd3 g6 8.Ne2 f5 9.ef5 gf5 10.de5 Ne5 11.Bd4 N7g6 12.f4 Qc7?? 13.0–0?? Be7?? 14.fe5+– Be6 15.Bf5 Bf5 16.Rf5 Rf8 17.Rf8 Bf8 18.Ng3 b5 19.Nd2 Qf7 20.Qg4 a5 21.ba5 Ra5 22.Qc8 Ke7 23.Bc5 1–0. rodnel – scmorgan, net–chess.com, 2006.

3.Nf3 d5 4.e3 e5 5.Be2 e4 6.Nd4 f5 7.0–0 Be7 8.d3 ed3 9.Bd3+= Qd6 10.Nf5+/– Qd8? 11.Ng7+– Kf8 12.Nh5 Nd7 13.Qf3 Ngf6 14.Bb2 Ne5 15.Qe2?? Nd3 16.Qd3 Nh5–/+ 17.c4 dc4?? 18.Qc4?? Rg8–/+ 19.Nc3? (19...Bh3 20.g3 Bf1 21.Rf1–+; better is 19.Be5–/+) 1–0. kostaspetidis (2105) – scmorgan, net–chess.com, 2006.

2.c3 e5

3.Bb2 (--> 1.b4 e5 2.Bb2 f6 3.c3).

3.e3 Nc6 4.a4 Nh6 5.h3 Bd6 6.Qh5 Ke7 7.Na3 Qe8 8.Qd1 Qg6 9.Nc4 Kf7 10.Qb3 Ke7 11.b5 Nd8 12.Ne2 b6 13.Ng3 Bc5 14.d4 ed4 15.cd4 Bd6 16.Bd3 f5 17.e4 Bg3 18.ef5 Nf5 19.Be3 Bh4 20.Ne5 Qd6 21.Bf5 Rf8 22.Bh7 c6 23.Ng6 Ke8 24.Nh4 cb5 25.Qb5 Bb7 26.Qh5 Nf7 27.Nf5 Qb4 28.Bd2 Qb2 29.Rd1 Kd8 30.Qh4 Kc8 31.Ne7 Kc7 32.Bf4 d6 33.0–0 Rae8 34.d5 Qf6 0–1. nakpim – boissimon, kurnik, 2012.

3.e3 d5 4.d4 Nd7 5.Nf3 +=.

3.e3 d5 4.Qh5 g6 5.Qd1 Nh6 6.h3 Nf5 7.b5 Be6 8.a4 Bd6 9.Na3 0–0 10.Nc2 Nd7 11.Be2 Nc5 12.d4 Ne4 13.Bb2 c6 14.Nf3 Qa5 15.Qd3 ed4 16.Nfd4 Nd4 17.Nd4 Bf7 18.0–0 c5 19.Nb3 c4 20.Na5 cd3 21.Bd3 Nc5 22.Be2 b6 23.Nb7 Nb7 24.Kh1 Nc5 25.f3 Bg3 0–1. nakpim – jackw171, kurnik, 2012.

3.e3 Ke7 4.Nf3 Nh6 (4...Kf7 5.d3=) 5.d3 (5.e4 d5 6.ed5 Qd5+=) 5...Ke8 6.Be2 Bb4?? (better is 6...a5 7.b5 d5+=) 7.cb4+– Nc6 8.Bd2 b6 (8...a6 9.0–0+–) 9.a3 a5 10.0–0 (10.ba5!? Na5 11.e4 Nf7+–) 10...ab4 11.Bb4?? (better is 11.Qb3+–) 11...Ra3?? (better is 11...Nb4 12.Nc3 Nc6=) 12.Ba3+– 1–0. Fournier,Frederic (1900) – lajamu (1700), Active blind, 2011.

3.e4 c6 4.d3 Ne7 5.a3 d5 6.ed5 Nd5 7.Nf3 (7...a5 8.Bb2=+). sbderkach (1680) – scmorgan, net–chess.com, 2006.

3.e4 d5 4.ed5 Qd5 5.d3 =.

2.c3 g6

3.Bb2 (--> 1.b4 g6 2.Bb2 f6 3.c3).

3.e3 c6 4.Nf3 b6 (4...e5 5.Be2=) 5.Bb2 (5.e4 e5+=) 5...Bb7 (5...e5 6.Be2=) 6.a3 Bg7 (6...e5 7.d3+=) 7.d4 d6 8.Bd3 Nd7 9.Nbd2 e6 10.0–0 Ne7 11.Re1 Qc7 12.e4 0–0–0 (better is 12...a6+/–) 13.e5 (13.a4 Rhe8+–) 13...fe5? (13...de5 14.Qb3=) 14.de5 (14.Ng5!? Nf8 15.Nf7+/–) 14...de5 (14...Ne5 15.Ne5 de5 16.Ne4=) 15.Rc1 Kb8 16.Ne4 Ka8? 17.Ng3?? Nf6 18.c4+= Rd7? 19.Qc2 Rhd8 20.Be4 Ne4+= 21.Ne4 c5 22.bc5 Be4 23.Qe4 Qb7 24.Qb7+– Kb7 25.cb6 ab6 26.Ba1 h5 27.Re2 Nf5 28.Rb2?? e4 29.Ne1 Bb2 30.Bb2 g5 31.Nc2?? g4 32.Nd4?? Nd4 33.Bd4 Rd4 34.c5 Kb8 35.cb6 Kb7 36.Rb1 R8d6 37.g3 Rb6 38.Rb6 Kb6 39.h4 Kc6 40.Kg2 Kd6 41.Kf1 Kd5 42.Ke2 e5 0–1. Fournier,Frederic (2005) – manupetro (1775), Active Blind, 2008.

3.e3 d5 4.d4 =.

3.e3 Kf7 4.Nf3 Nh6 (4...e5 5.d3=) 5.d4 Kg7 (5...d5 6.Be2+=) 6.Bb2 (6.e4 a5+/–) 6...Rg8 (6...d5 7.c4=) 7.Bd3 Qe8 (7...d5 8.e4+=) 8.Nbd2 Qf7 9.Qc2 Kh8 10.0–0 Bg7 11.a3 d5 12.Rfe1 Be6 13.e4 Nd7 14.ed5 Bd5 15.c4 Bf3 16.Nf3 Ne5?? 17.de5+– fe5 18.Be5 Be5 19.Re5 Raf8 20.Ree1 Nf5 21.Bf5 Qf5 22.Qf5 Rf5 23.Rad1 Rgf8 24.Kh1 g5 25.Nd4 Rf2 26.Ne6 Re2 27.Re2 Rf6 28.Rde1 h5 29.Nc7 h4 30.h3 g4 31.Ne6 gh3 32.gh3 Rg6 33.Kh2 Rg3 34.Re3 Re3 35.Re3 (35.Re3 a6 36.Nd8+–) 1–0. Fournier,Frederic (1860) – yuyo6, Active blind, 2011.

2.c4 d5

3.Na3 dc4 4.Qa4 c6 5.b5 +=.

3.Na3 e6 4.Qb3 c5 5.Nc2 Nc6 6.Ba3 (better is 6.bc5 Bc5 7.Nf3+=) 6...a5 (better is 6...cb4!? 7.Nb4 Nd4+=) 7.bc5+= dc4 (7...a4 8.Qc3+=) 8.Qc4+/– Ne5 (8...Nge7 9.Nf3+/–) 9.Qe4 Qd5 10.Qd5 ed5 11.d4 Nc4 12.Bc1 Bf5 (12...b6 13.Ne3 Ne3 14.Be3 bc5 15.dc5+/–) 13.Ne3 Ne3 14.Be3 (14.fe3 b6 15.e4 Be4+=) 14...Ne7 15.Bf4 Nc6 16.Rb1?? (better is 16.e3+–) 16...Bb1–+ 17.e3 Ba2 18.Bc7 a4 19.Bb5 a3 20.Ne2 Bc4 21.Bc6 bc6 22.Nc3 a2 23.Na2 Ra2 0–1. ifairclough – quikeagle, net–chess.com, 2002.

3.cd5 Qd5 4.Nc3 Qd6 =.

3.e3 d4 4.d3 (4.ed4 Qd4 5.Nc3 e5=) 4...e5 5.c5 (5.a3 c5=) 5...Nd7 (5...a5 6.Qa4 Bd7–/+) 6.e4? (6.ed4 Nc5 7.dc5 Qd4=) 6...b6 (6...a5 7.b5–/+) 7.Ba3 (7.Nf3 bc5 8.b5 c6 9.bc6 Nb6+=) 7...bc5–/+ 8.bc5 Bc5 9.Qa4 Ba3 10.Na3 Ne7 11.Nc4 0–0–+ 12.h4 Bb7 13.g4 Bc6 14.Qc2 Bb5 15.Na5 c5?? 16.Qb3+= c4 17.Qb5 a6? 18.Qc4+– Rf7 19.Nc6 Nc6 20.Qc6 Qa5 21.Kd1 Qc3?? 22.Qc3 dc3 23.Ne2 Rc8 24.d4 c2 25.Kd2 ed4 26.Rc1 d3? 27.Nf4 Ne5 28.Rh3 Nc4 29.Kd3 Ne5 30.Kd2 Rd7 31.Nd5 Rc4 32.Bc4 Nc4 33.Kc2 Ne5 34.Rb3 Ng4 35.f3 Kf7 36.fg4 h5 37.g5 f5 38.Rf1 Ke6 39.Rf5 Rf7 40.Rb6 (40.Rb6 Kd7 41.Rf7 Ke8 42.Re7 Kd8 43.Rb8) 1–0. ifairclough – quikeagle, net–chess.com, 2001.

2.c4 e5

3.a3 c6 4.Bb2 h5 5.d4 d6 (5...e4 6.d5+=) 6.e4 b5? (better is 6...h4!?+=) 7.cb5+– cb5 (7...ed4 8.Bd4 c5 9.Be3 cb4 10.Qd5+– (10.ab4?! d5+–)) 8.Bb5 Nd7 9.Nf3 Bb7 10.d5 (10.Nc3 a6 11.Bc4 Rc8+–) 10...a6 (10...f5 11.Bc6 Bc6 12.dc6+–) 11.Be2 (11.Ba4 Ne7+–) 11...g5 (11...f5 12.ef5 Ngf6 13.Nc3+–) 12.Nfd2 g4 13.h3 gh3 (better is 13...f5+–) 14.Bh5 Ke7 15.Qg4 hg2 (15...Qc8 16.Qe6 Kd8 17.Rh3 Ne7+–) 16.Qe6 1–0. wlittle (2295) – mancity (1615), net–chess.com, 2003.

3.a3 d5 4.cd5 Qd5 5.Nc3 Qf7 6.e3 c5 7.bc5 Bc5 8.Nf3 Bb6 9.Bc4?? (9.d4 ed4 10.Nd4 Ba5+/–) 9...Be6 (9...Qc4 10.Qa4 Qa4 11.Na4–+) 10.Qb3?? (better is 10.Be6 Qe6 11.0–0=) 10...Bc4–+ 11.Ne5 (11.Qb1–+) 11...Bb3 12.Nf7 Kf7 13.Nd5 (13.Ke2–+) 13...Bd5 14.Bb2 1–0. tyop (1730) – andon63, kurnik, 2011.

3.Qb3 b6 4.Bb2 Bb7 5.c5 (5.Nf3 a5 6.ba5 Ra5=+) 5...c6 (5...bc5!? 6.bc5 Nc6=+) 6.d4= d6 7.Nd2 d5 (7...ed4 8.cb6 ab6 9.Bd4=) 8.e4 (8.de5 Na6 9.e4 bc5 10.ed5 Nb4+/–) 8...Nd7 9.Be2 (9.Ngf3 Qe7 10.de5 bc5 (10...Ne5? 11.Ne5 fe5 12.ed5+–) 11.ed5 cd5 12.bc5 Nc5 (12...Ne5? 13.Ne5 fe5 14.Bb5 Kf7 15.c6+–) 13.Qb5 Kf7+=) 9...Ne7 (9...ed4!? 10.Rc1 bc5 11.bc5 Nc5 12.Rc5 Bc5 13.Qb7 Ne7=+) 10.Ngf3+= ed4 11.ed5 (11.Nd4!? bc5 12.Ne6+/–) 11...Nd5 (11...bc5 12.Rc1 Rb8 13.d6+= (< 13.bc5 Ba6 14.Qa3 Be2 15.Ke2 d3 16.Kd1 Nd5=+)) 12.Nd4 (12.Bd4 a5 13.Bc4=) 12...Qc7 (12...bc5 13.Ne6 Qe7 14.Bh5 g6–+) 13.Ne6+/– Ne5?? (better is 13...Qb8 14.Rc1 bc5 15.bc5 Bc8+=) 14.Nc7+– (14...Nc7 15.Be5 fe5 16.Qe3+–) 1–0. wlittle (2155) – arsigen (1950), net–chess.com, 2005.

3.Qb3 Nc6 4.a3 =+.

3.Qb3 d6 4.Nf3+= Be6 5.Nc3 c6 6.d4 b5 (6...Ne7!?+/–) 7.e4+– bc4 (better is 7...Ne7 8.d5 bc4 9.Bc4 cd5 10.ed5 Bf5+–) 8.Bc4 Bc4 9.Qc4 d5 10.ed5 cd5 (10...Ne7 11.d6 Qd6 12.de5 fe5+–) 11.Nd5 Ne7 (11...Bd6 12.de5 fe5+–) 12.Nc7 Kd7 13.Na8 Nbc6 (13...Qc8 14.Qb5 Nbc6 15.d5 Qa8 16.0–0+–) 14.de5 Qa8 (14...Ne5 15.Ne5 fe5 16.Qe4+–) 15.Bb2 fe5 (15...Ke8 16.Rd1 Ne5 17.Be5 Qc6+–) 16.0–0–0 Ke8 17.Ng5 1–0. usingprogram (2000) – lydnils, kurnik, 2013.

3.b5 c5 4.Nc3 Ne7 5.e4 b6 (5...Ng6 6.Nd5+=) 6.a4 (6.Nf3 Bb7+=) 6...a5 (6...a6 7.Nf3+=) 7.ba6 (7.Be2 Kf7+=) 7...Ra6 8.Nb5 (8.Be2 Bb7=) 8...Nec6 9.Nf3 Nb4 (9...Be7 10.Nh4 g6 11.Nf3=) 10.g4 (10.Be2 Be7=) 10...Bb7 (10...d5 11.cd5 Bg4 12.Ra3=) 11.d3= Be7 12.h4 h5 (12...0–0 13.Rb1=) 13.Nh2 (better is 13.gh5 Rh5 14.Bh3+=) 13...g5?? (13...hg4 14.Ng4 f5 15.Ne5 fe4 16.Bg5 ed3 A) worse is 17.Bd3 Bg5 (17...Bh1?? 18.Nd6 Kf8 19.Ng6 Kg8 20.Ne7 Qe7 21.Be7+–; 17...Nd3?! 18.Qd3 0–0 19.Rh3+=) 18.Nd6 Kf8 19.Ng6 Kg8 20.Nb7 Qe8 21.Kf1 A1) 21...Nd3 22.Qd3 (worse is 22.Nh8 Qe4 23.Rg1 Bf6+=) 22...Rh6 23.h5=; A2) 21...Rh6=; B) 17.Ng6 Nc2 18.Kd2 Bh1 19.Be7 Qe7 20.Ne7 Ke7 21.Qg4+–) 14.Be2 (better is 14.hg5 fg5 15.gh5+–) 14...hg4 (14...gh4 15.Nf1 hg4 16.Bg4+=) 15.hg5 fg5 16.Bg4+/– Bc6 17.Bh5+– Kf8 18.Qf3 Bf6 19.Kd1 Nd3+/– 20.Nd6 Nf2 Attacking the isolated pawn on a4 21.Kc2?? Ba4 22.Kc3? Nh1 23.Bg5 Kg7 24.Bf6 Qf6 25.Rg1 (25.Rg1 Ng3 26.Rg3 Kh7 27.Qf6 Rg8 28.Qf7 Rg7 29.Qg7) 1–0. ifairclough – quikeagle, net–chess.com, 2002.

3.b5 Bc5 4.Nc3 (4.e3 d5=) 4...c6 (4...Ne7 5.Nf3=) 5.e3 a6 6.Nf3 ab5 7.cb5 Ne7 (7...d5 8.d4 Bb4 9.Qb3=) 8.Be2 (8.d4 ed4 9.Nd4 d5=) 8...d6 (8...d5 9.d4 Bb4 10.Qb3=) 9.0–0 Be6 10.d4 ed4 (10...Bb4 11.Qc2=) 11.Nd4+= Bd4 12.Qd4 0–0 13.Rd1 c5 (better is 13...Bb3! 14.Rd2 Nf5+/–) 14.Qd6+– Qd6 15.Rd6 Nd7?? (better is 15...Bd7+–) 16.Re6 Rfe8 17.Bc4 Kf8 18.Ne4 (18.e4 f5+–) 18...Ne5 (18...Red8 19.Bb2+–) 19.Bb3 (better is 19.Re5 fe5 20.Nc5 Rec8 21.Nd7 Ke8 22.Ne5 Ng6 23.Bf7 Ke7 24.Ng6 Kf7 25.Ne5 Ke8+–) 19...N7g6 20.Nc5 Rab8 21.Bb2 b6 22.Ne4 Re6 23.Be6 Rd8 24.Be5 Ne5 25.f4 Rd3 26.Kf2 Ke7 27.fe5 Ke6 28.ef6 gf6 29.a4 h6 30.a5 f5 31.a6 fe4 32.a7 Rd2 33.Kg3 Rd8 34.a8Q Ra8 35.Ra8 Kd5 36.Rc8 h5 37.Rc6 h4 38.Kh4 Ke5 39.Rb6 Kd5 40.g4 Kc5 41.Rb8 (41.Rb8 Kc4 42.b6+–) 1–0. gtate – bar, net–chess.com, 2001.

3.c5 d6 4.Ba3 Nc6 5.e3 b6 6.Bb5 Bd7 7.Qf3 Rb8 8.Bc6 Bc6 9.Qc6 Qd7 10.Qf3 dc5 11.bc5 bc5 12.Nc3 c4 13.Bf8 Kf8 14.Nge2 Rd8 15.Rd1 a5 16.Qe4 a4 17.Qc4 a3 18.Nb5 c6 19.Na3 Ra8 20.Qb3 Qd6 21.Nc4 Qd5 22.Nc3 Qg2 23.Qb4 Kf7 24.Qb7 Kg6 25.Qa8 Ne7 26.Qh8 Qh1 27.Ke2 Qh2 28.Qe8 Kh6 29.Qe7 g5 30.Qf6 Kh5 31.Qf3 Kh4 32.Rh1 Qh1 33.Qh1 1–0. nakpim – adamson7188, kurnik, 2012.

2.e3 e5

3.a3 c6 4.Be2 Ne7 5.Nf3 d5 6.Bb2 Ng6 7.0–0 Bd6 8.c4 0–0 9.cd5 cd5 10.Qb3 Be6 11.e4?? Nf4 12.Nc3 d4 13.Nd5 Nd5 14.ed5 Bf7 15.Bc4 Nd7 16.d3 a6 17.Nh4 b5 18.Nf5 Nb6 19.Nd6 Qd6 20.Rfc1 bc4 21.dc4 Qd7 22.a4 Nd5 0–1. Trkn – Hammock, itsyourturn.com, 2000.

3.b5 b6 4.g3 Bb7 5.Nf3 d5 6.Bg2 Qd7 7.a4 a6 8.Bb2 ab5 9.ab5 Qb5 10.Ra8 Ba8 11.Ba3 Ba3 12.Na3 Qa5 13.Nb1 Nh6 14.0–0 0–0 15.h3 Qa1 16.Nc3 Qd1 17.Rd1 Bc6 18.Ra1 Nd7 19.Ra7 Rc8 20.d3 d4 (better is 20...Kf7+=) 21.ed4+/– Bf3 22.Bf3 ed4 23.Nd5 Kf8 24.Rc7 Rd8 25.Rb7 Ne5 26.Kg2 Nf3+= 27.Nf4?? Ng5?? 28.h4+= Ngf7 29.Ne6 Ke8 30.Nd8 Nd8 31.Rb6 Nhf7 32.Rb4 Nc6 33.Rc4 Kd7 34.c3 Nd6 35.Ra4?? dc3–+ 36.Kf1 c2 37.Ra1 Nb4 38.Ke2 Kc6 39.Kd2 Kc5 40.Ra5 Nb5 41.Ra8? Nd3! 42.Kc2? Nf2–+ 43.Rg8 Nd4 44.Kb2 Nd3 45.Kc3 Ne5 46.Rg7 h5 47.Rh7 Nf5 48.Rh5 Ng3 49.Rh6 Ng4 50.Rg6 f5 51.Kd2 Kd5 52.Ke1 Ke5 53.Rg8 Kf4 54.Rh8 Kf3 55.h5 f4 56.h6= Nf6 57.Rf8 Nh7 58.Rf7 Ng5 59.Rg7 Ne6?? 60.Rg3 fg3–+ 61.h7 g2 62.h8Q g1Q 63.Kd2 Qe3 64.Kc2 Nd4 65.Kb2 Qb3 66.Ka1 Nc2# 0–1. lietuvis11111 – uhikala999, kurnik, 2011.

3.b5 Ne7 4.c4 Ng6 5.a4 Bc5 6.Bb2 d5 7.Qb3 c6 8.d4 ed4 9.ed4 Bb6 10.c5 Bc7 11.Bd3 Qe7 12.Ne2 Nf4 13.Nd2 Ng2 14.Kf1 Nh4 15.Ng3 Bh3 16.Kg1 Bg2 17.Nf5 Nf5 18.Kg2 Nh4 19.Kf1 0–0 20.Re1 Qd7 21.Bh7 Kh7 22.Bc1 Qh3 23.Qh3 1–0. jura1946 – tomekjerzy, kurnik, 2012.

3.b5 Ne7 4.Qh5 Ng6?? (better is 4...g6 5.Qf3 Bg7+=) 5.Bd3+– Kf7?? (better is 5...f5 6.Bf5 Qf6+–) 6.Bc4 (better is 6.Bg6 Ke7 7.d4+– (worse is 7.Bh7 d6+–)) 6...d5= 7.Bb3 Be6 8.Bb2 c6 9.a4 Bd6 10.Nf3 Nd7 11.0–0 c5 12.d3 Rc8 13.Nbd2 b6 14.c4 d4 15.ed4 ed4 16.Ne4 Nde5 17.Ne5 Be5? 18.Bd1?? Qd7? 19.Bc1?? Ke7 20.f4+– Nf4? 21.Bf4 Bf4 22.Rf4 Rcf8 23.Ra2 g6 24.Qf3 h5 25.Rf6 Rf6 26.Qf6 Ke8 27.Qg6 Bf7 28.Nf6 (28.Nf6 Kd8 29.Qg7+–) 1–0. elsh1403 – juric27, kurnik, 2011.

3.b5 h5 4.Be2 g6 5.a4 b6 6.Nf3 d6 7.0–0 Nh6 8.Nh4 Rg8 9.Ng6! Rg6 10.Bh5 Bg4?? (better is 10...Bf5+/–) 11.Bg6+– Ke7 12.f3 Be6 13.c4! c5 (13...Bc4 14.d3 Decoy) 14.Na3 Bg7 15.f4 Bg4 16.Qc2 f5 17.h3 e4 18.hg4 Ba1 19.gf5 Ng4 20.Qe4 Kf8 21.Qa8 Kg7 22.Qa7 Kf6 23.Qf7# 1–0. ariank – marincz, kurnik, 2012.

3.Bd3 Bb4 4.Qh5 g6 5.Bg6 Ke7 6.Qh4 Nc6 7.Bb2 Bd6 8.Ne2 Qf8 9.0–0 Qh6 10.Qh6 Nh6 11.Bd3 Nb4 12.Nbc3 Nd3 13.cd3 b6 14.Nd5 Ke6 15.Nc7 Bc7 16.Rac1 Bd6 17.f4 Ba6 18.Ng3 Bd3 19.Rf2 e4 20.f5 Ke7 21.Nh5 Ng4 22.h3 Nf2 23.Bf6 Kf7 24.Bh8 Rh8 25.Kf2 Rg8 26.g4 b5 27.Rc3 b4 28.Rb3 a5 29.a3 ba3 30.Rb7 Ke7 31.f6 Kd8 32.Ra7 a2 33.Ra5 Kc7 34.Ra2 Rf8 35.Ra7 Kb6 36.Rd7 Bb4 37.g5 Bd2 38.Rd6 1–0. 56ctx56 – firenze3, kurnik, 2012.

3.Bd3 Qe7 4.Qh5 Qf7 5.Qd1 Bb4 6.Bb2 d5 7.Ne2 e4 8.Bb5 c6 9.Ba4 Bd7 10.Ng3 Ne7 11.0–0 0–0 12.f4 Nf5 13.Nf5 Bf5 14.Bb3 Bc5 15.Nc3 Qg6 16.Ne2 Bg4 17.Qe1 Be2 18.Qe2 f5 19.a4 a5 20.Kh1 Nd7 21.c4 Nf6 22.Rac1 Be7 23.Bf6 Bf6 24.cd5 Rab8 25.dc6 Kh8 26.Qb5 bc6 27.Qc5 Rfd8 28.Bc4 Rd2 29.Rg1 Bh4 30.Qa7 Rbb2 31.Qa8 Rd8 32.Qd8 Bd8 33.Bf1 Bb6 34.Rc6 Qc6 35.h3 Be3 36.Bb5 Qc2 37.Bf1 Bg1 38.Kg1 Qf2 0–1. 56ctx56 – bil77, kurnik, 2012.

3.Bd3 Ne7 4.c4 f5 5.Nc3 c6 6.a4 d6 7.b5 b6 8.Bb2 g6 9.Nge2 Bg7 10.0–0 c5 11.Qb3 0–0 12.f4 e4 13.Bc2 Rf7 14.d4 cd4 15.Nd4 Qf8 16.Nd5 Nd5 17.cd5 Rc7 18.Ne6 Be6 19.de6 Re7? 20.Bg7+– Qg7 21.Qd5 Qf6 22.Qa8 Re8 23.Qa7 Qe6 24.Rab1 Qc8 25.Rfc1 Kf8 26.Qb6 Qd7 27.a5 Qe6 28.a6 Nd7 29.Qd4 Nf6 30.a7 Ra8 31.b6 Ng8 32.b7 (32.b7 Rd8 33.b8Q Qd7 34.Rb7 h5 35.Rd7 Ne7 36.Qd8 Kf7 37.Re7#) 1–0. ariank – arabey, kurnik, 2012.

3.Nf3 Bb4 4.Bc4 Ne7 5.0–0 d5 6.Bb3 c6 7.a3 Bd6 8.Bb2 0–0 9.e4 Kh8 10.Nh4 Be6 11.Nc3 Bf7 12.ed5 cd5 13.Qg4 a6 14.Qh3 g6 15.Nd5 Bd5 16.Bd5 Nd5 17.Ng6 Kg7 18.Nf8 Qf8 19.Qg4 Kh8 20.Qf3 Qf7 21.c4 Nf4 22.d4 Nc6 23.c5 Bc7 24.g3 Nh3 25.Kg2 Ng5 26.Qd3 Qd5 27.f3 e4 28.fe4 Qe4 29.Qe4 Ne4 30.d5 Ne5 31.d6 Bd8 32.Bd4 Rc8 33.Rac1 Kg7 34.Rce1 Nd2 35.Re5 fe5 36.Be5 Kg6 0–1. varin123 – spinosa, kurnik, 2012.

3.b5 d5

4.c4 d4 5.Bb2 Bc5 6.Qh5 g6 7.Qf3 Ne7 8.a4 0–0 9.a5 f5 10.a6 e4 11.ab7 Bb7 12.Qg3 d3 13.f3 ef3 14.Nf3 Bf3 15.gf3 c6 16.Qe5 Kf7 17.Qc5 cb5 18.cb5 Nd7 19.Qc4 Ke8 20.Bd3 Nb6 21.Qb3 Rc8 22.Ra7 Ned5 23.Ke2 Rf7 24.Rf7 Kf7 25.e4 fe4 26.fe4 Ke6 27.ed5 Nd5 28.Bc4 Qg5 29.Bd5 Qd5 30.Qd5 Kd5 31.Nc3 Kc4 32.Rf1 Re8 33.Kd1 Kb3 34.Bc1 Re5 35.b6 Re6 36.b7 Rb6 37.Rf7 h5 38.Nd5 Rb5 39.Nc3 Rb4 40.Nd5 Rb5 41.Rd7 Kc4 42.Ke2 g5 43.d3 Kc5 44.Be3 Kc6 45.Rd8 Rb7 46.Bg5 Rb2 47.Ke3 Rh2 48.Nf4 Rh1 49.Rh8 Re1 50.Kd4 Rh1 51.Rh5 Rh5 52.Nh5 Kd7 53.Kd5 Kc7 54.Nf6 Kd8 55.Kd6 Kc8 56.d4 Kd8 57.d5 Kc8 58.Ke7 Kc7 59.d6 Kc6 60.d7 1–0. jura1946 – bridablond, kurnik, 2012.

4.c4 d4 5.Bd3 de3 6.de3 Bb4 7.Ke2 =+.

4.c4 Be6 5.cd5= Bd5 6.Nc3 Be6 7.Nf3 Ne7 8.d4 Nd7 9.Be2 Ng6 10.0–0 Bb4 11.Bb2 Bc3 12.Bc3+= e4 13.Nd2 f5 14.d5 Bd5= 15.Bg7 Rg8 16.Bd4 Qg5 17.g3 f4 18.Bc4 0–0–0 19.Bd5= Qd5 20.Qb3 Qg5 21.Ne4+/– Qf5 22.Nd2 Qh3 23.Nf3 Nh4 24.Nh4 fg3 25.fg3+– Rg3?? 26.hg3 Qg3 27.Ng2 h5 28.e4 h4 29.Qg3 hg3 1–0. uno (1895) – PeaceMoves (1880), ICC, 2003.

4.d4 Ne7 =.

4.Qh5 g6 5.Qd1 Be6 6.Bb2 Bd6 7.a4 c5 8.d4 Ne7 9.Nd2 b6 10.g3 c4 11.Bg2 e4 12.h4 Nd7 13.Ne2 f5 14.Nf4 Bf4 15.gf4 Nf6 16.Ba3 Kf7 17.c3 Neg8 18.f3 Nh5 19.Kf2 Ngf6 20.fe4 Ne4 21.Ne4 fe4 22.Qc2 Qd7 23.Be4 de4 24.Qe4 Rhe8 25.Qc6 Qd5 26.Qc7 Kg8 27.Rhg1 Bf5 28.Rae1 Qe4 29.Re2 Nf6 30.Rg5 Bg4 31.Re1 Qf3 32.Kg1 Qg3 33.Kh1 Bf3 0–1. jura1946 – msits, kurnik, 2012.

4.Qh5 g6 5.Qd1 Be6 6.Bb2 Bg7 7.a4 Ne7 8.Nf3 0–0 9.Nc3 c6 10.h3 h6 11.Ba3 Kh7 12.Ne2 b6 13.Ng3 c5 14.c3 Nd7 15.Qc2 Nf5 16.Nf5 Bf5 17.d3 e4 18.Nh4 ed3 19.Bd3 Bd3 20.Qd3 f5 21.Nf3 Nf6 22.Bb2 Ne4 23.0–0 Qd7 24.Rad1 Rad8 25.Nh4 Qe7 26.g3 c4 27.Qc2 Ng5 28.Kg2 Ne4 29.f3 Ng5 30.Rd2 Rd7 31.Rfd1 Rfd8 32.Ra1 Qe6 33.Re2 Re8 34.a5 ba5 35.Ra5 Qb6 36.Qa4 Re3 37.Rf2 Rb7 38.Ra6 Qb5 39.Qb5 Rb5 40.Rg6 Rb2 41.Rg7 Kg7 42.Nf5 Kg6 43.Ne3 Rd2 44.Rd2 1–0. jura1946 – 2sleepy, kurnik, 2012.

2.e3 g6

3.b5 Bg7 4.Bb2 e5 5.a4 d5 6.c4 Ne7 7.c5 0–0 8.Qb3 Kh8 9.Ne2 Be6 10.Qc2 c6 11.f4 ef4 12.Nf4 Bf5 13.d3 Qc7 14.Be2 Bh6 15.0–0 Bf4 16.Rf4 Nd7 17.g4 Be6 18.g5 Kg7 19.gf6 Nf6 20.Nd2 Bf5 21.e4 Qf4 22.Bf3 Qe3 23.Kg2 de4 24.de4 Be4 25.Ne4 Ned5 26.Rf1 Kg8 27.bc6 bc6 28.Nf6 Nf6 29.Bc6 Qg5 30.Kh1 Rad8 31.Qc4 Kg7 32.Bg2 h6 33.c6 Kh7 34.c7 Rc8 35.Bf6 Rf6 36.Rb1 Qa5 37.Rc1 Qb6 38.Qg4 Rc7 39.Rd1 Rff7 40.Qg3 Rce7 0–1. jura1946 – miltonmoreno, kurnik, 2012.

3.d4 Bg7 4.Bd3 d6 5.h4 e6 6.h5 g5 7.Bb2 h6 8.Nh3 Ne7 9.f4 g4 10.Qg4 Nf5?? (better is 10...Rg8+/–) 11.Bf5+– ef5 (11...Qe7 12.Bg6 Kd8 13.Qe2+–) 12.Qg7 Rf8 13.Qh6 Qe7 14.Ke2 b5 15.Nc3 a6 16.Nf2 c6 17.a4 Ra7 18.ab5 Kd7 19.ba6 d5 20.b5 Re8 21.Nfd1 Qb4 22.Qg6 Qc4 23.Kd2 cb5 24.Qf5 Kc7 25.Nd5 Kc6 26.Qf6 Re6 27.Ne7! Kd7 28.Qg5 Re7 29.h6 Kd6 30.h7! Rh7 31.Rh7 Rh7 32.Qg6 Be6 33.Qh7 Qf1 34.Kc1 Qg2 35.a7 Nc6 36.a8Q Kd5 37.Ra6 Kc4 38.Qc6 Qc6 39.Rc6 Kd5 40.Rc5 Kd6 41.Rb5 Bc4 42.Qg6 Kd7 43.Qf5 (43.Qf5 Be6 44.Qh7 Kc8 45.Rb7 Bf7 46.Qf7 Kd8 47.Qd7#; 43.Rb7 Kd8 44.Qd6 Ke8 45.Qe7#) 1–0. swislina – wl11, kurnik, 2012.

2.e3 Nh6

3.Bb2 g6 4.c4 Nf7 5.d4 Bg7 6.Nf3 e6 7.Bd3 d6 8.Qc2 0–0 9.Nbd2 a5 10.b5 a4 11.a3 f5 12.h4 e5 13.c5 e4 14.Bc4 d5 15.Bd5 Qd5 16.Ng5 Ra5 17.Nf7 Rf7 18.Bc3 Rb5 19.Qa4 c6 20.h5 Na6 21.hg6 hg6 22.Nc4 Nc5 23.Qa8 Rf8 24.Ne5 Be5 25.de5 Nd3 26.Ke2 Rb3 27.Qa5 b5 28.e6 Be6 29.Rh8 Kf7 30.Rf8 Kf8 31.Qa8 Ke7 32.Qh8 Rc3 33.Qc3 Qc4 34.Qg7 Bf7 0–1. ferminkatcho (1740) – vladislav22 (1800), kurnik, 2012.

3.c4 e5 4.a3 d6 5.Nf3 Be6 6.d4 e4 7.Nfd2 f5 8.Nc3 c6 9.Bb2 Rg8 10.Qb3 b5 11.Qc2 bc4 12.Bc4 d5 13.Be2 g6 14.h4 Nf7 15.Na4 h6 16.Nc5 Bc5 17.dc5 Nd7 18.Nb3 Nde5 19.Nd4 Bd7 20.Rc1 a6 21.a4 Rb8 22.b5 ab5 23.ab5 Qa5 24.Bc3 Qa3 25.bc6 Bc6 26.Nc6 Nc6 27.0–0 Qb3 28.Qd2 Ke7 29.Rb1 Qb1 30.Rb1 Rb1 31.Kh2 Ke6 32.f3 Rgb8 33.fe4 fe4 34.Bg4 Ke7 35.Qd5 Ncd8 36.Qe4 1–0. ferminkatcho (1705) – vladislav22 (1795), kurnik, 2012.

2.e4 d6

3.d4 e5 4.d5 Qe7 5.b5 Bd7 6.Bb2 g6 7.a4 c6 8.c4 c5 9.Be2 a6 10.Nc3 f5 11.Nf3 f4 12.a5 (12...Nf6 13.0–0+/–) 1–0. nay (2190) – scmorgan, net–chess.com, 2006.

3.d4 Be6 4.Qh5–/+ Bf7 5.Qb5 Nd7 6.Qb7 Rb8 7.Qa7 Rb4 8.Nf3 c5 (8...e5 9.Qa5 Rb6 10.d5–/+) 9.c3 (9.Nc3!? Bc4+–) 9...Rb8–/+ 10.a4 cd4 (10...Ra8 11.Qb7–/+) 11.Bb5+– (11.cd4 Qc8 12.Be3 Ra8–+) 11...Be6? (Better is 11...Rc8 12.Nd4 Rc7+–) 12.Nd4 (12.Qd4?! Bg4+–; 12.cd4?! Ra8 13.Qb7 Rb8 14.Bd7 Bd7–/+) 12...Ra8 13.Qb7 (13.Ne6?! Ra7 14.Nd8 Kd8+–) 13...Kf7 (13...Rb8 14.Qa6 Bf7+–) 14.Ne6 Ke6 (14...Qa5 15.Qd5 Ke8+–) 15.Qd5 1–0. pozarski (2075) – bobadom2, GameColony.com, 2002.

2.e4 e5

3.a3 a5 4.b5 Bc5 5.Bc4 Ne7 6.Nc3 c6 7.Qh5 g6 8.Qf3 Rf8 9.d3 Ng8 10.Nge2 d6 11.Na4 Nd7 12.Nc5 Nc5 13.Be3 Ne6 14.0–0 c5 15.Ng3 Nd4 16.Qd1 Qe7 17.c3 Ne6 18.b6 Nd8 19.d4+– Nc6 20.dc5 dc5 21.Qd5 Nd4?! 22.cd4 cd4 23.Bd2 Bg4 24.Bb5 Bd7 25.Qb7 Bb5 26.Qa8 Kf7 27.Qd5 Kg7 28.Qb5 Rb8 29.Rfc1 Kh8 30.Qa5 Qe6 31.Rab1 Ne7 32.Qa7 Nc6 33.Rc6! 1–0. b4_player (2050) – zouzou (2155), GameColony.com, 2002.

3.a3 a5 4.b5 c6 5.Nc3 d5 6.bc6 bc6 7.ed5 cd5 8.d4 ed4 9.Bb5 Bd7 10.Qh5 g6 11.Qe2 Kf7 12.Nd5 Bb5 13.Qb5 Qd7 14.Qc4 Qe6 15.Ne2 Ne7 16.Nb6 Qc4 17.Nc4 ˝–˝. Woschkat,Karl_Heinz – Rosner,Dirk, Tiger SC, 2000.

3.a3 Bd6 4.Bc4 c5 5.Bg8 Rg8 6.Qh5 g6 7.Qh7 Kf8 8.d4 cb4 9.Bh6 Ke8 10.Qg8 Ke7 11.Qg7 Ke8 12.Qg6 Ke7 13.Qg7 Ke8 14.de5 fe5 15.Qg8 1–0. Rosner – Krahl, Tiger SC 2000.

3.a3 Bd6 4.Bc4 Ne7 5.Qh5 Ng6 (5...g6!? 6.Qf3 Nec6+=) 6.Nf3+/– Nc6 (6...Qe7 7.Nh4 Kd8 8.Nf5+/–) 7.Nh4+– b6?? (Better is 7...Ke7+–) 8.Ng6 b5 9.Bf7! Kf7 10.Ne5 Kg8 (10...Ke6 11.Qf7 Ke5 12.Qd5 Kf4 13.Qf5#) 11.Qf7# 1–0. Woschkat,Karl_Heinz – Pieleck,Kerstin, remoteschach.de, 2003.

3.a3 g6 4.Nf3 c6 5.Bd3 Qb6 6.Nc3+/– c5 7.Nd5 Qc6 8.b5 Qd6+/– 9.0–0 Ne7 10.Bc4 b6? 11.Ne7+– Be7 12.Bd5 Nc6 13.Bb2 Nd4? 14.Ba8 Nb5 15.Bd5 f5 16.Be5 Nc3 17.dc3 Qd5 18.Qd5 (18...Rf8 19.ef5 gf5 20.Qa8+–) 1–0. color1972 – Tricky.1, ChessWorld.net, 2005.

3.b5 a6 4.Nc3 ab5 5.Bb5 Bb4 6.Bb2 (6.Nd5 Bc5 7.Qg4 g6+=) 6...c6 7.Bd3 Nh6 8.a3 Bc3 (8...Bc5 9.Qh5 Nf7 10.Bc4=) 9.Bc3 0–0 10.Nf3 d5 11.0–0 de4 12.Be4 f5 (12...b5!? 13.Bd3 Bf5 14.Bf5 Nf5+=) 13.Bd3+= e4 14.Bc4 Kh8 15.Ne5 Nd7 16.Nd7 Bd7 17.Qh5 Qe8?? (better is 17...Ng4=) 18.Qh6+– Qg6 (18...Qe7 19.a4+–) 19.Qg6 (19.Qg6 hg6 20.a4+–) 1–0. Anna_Goldberg (1845) – Clyde Barrow (1710), internet, 2007.

3.b5 b6 4.Bc4 g6 5.Nc3 Bb4 6.Rb1 Bc5 7.Nge2 d6 8.Bd5 c6 9.bc6 Ne7 10.c7 Qc7 11.Ba8 Na6 12.d4 ed4 13.Nd4 Bb7 14.Ndb5 Qb8 15.Bb7 0–0 16.Ba6 f5 17.Bh6 Rf6 18.0–0 fe4 19.Ne4 Bf2 20.Rf2 Rf2 21.Nbd6 Rf5 22.Bc4 Nd5 23.Bd5 1–0. Rosner – Krahl, Tiger–SC 1999.

3.b5 Bc5 4.Bb2 d5 5.ed5 Qd5 6.Nc3 Qd4 7.Qe2 Bg4 8.Nf3 Bf3 9.Qf3 e4 10.Qe4 Ne7 11.Qd4 Bd4 12.Bc4 Nd7 13.f4 Nb6 14.Be6 Bc3 15.Bc3 Nbd5 16.0–0 Nc3 17.dc3 a6 18.c4 ab5 19.Rad1 bc4 0–1. Ferrier,Roxana – Goertz,Hans_Georg, DESC (year?).

3.b5 Bc5 4.Bb2 d6 5.Bc4 Qe7 (5...f5 6.Nf3=) 6.Nc3 c6 7.Nf3 Be6 8.Be6 Qe6 9.0–0 a6 10.bc6 bc6 (10...Nc6 11.Nd5 Rc8 12.d4 ed4 13.Nd4 Nd4 14.Bd4+=) 11.d4+/– Bb4 12.d5 Qc8 13.Rb1 c5 (13...f5!? 14.Na4 fe4+=) 14.Ne2+/– Ne7? (better is 14...Qd7+/–) 15.c3+– 0–0 (15...a5 16.cb4 ab4 17.Qb3+–) 16.cb4 cb4 17.Rc1 Qd7 (17...Qb7 18.Nd2+–) 18.Qd3 (18.Qd2 a5+–) 18...a5 19.Nd2 Na6 20.f4 Nc5 21.Qe3 Na4 22.Ba1 Rfc8 23.Nb3 Qb5 24.fe5 Rc1 25.Rc1 (25.Qc1?! Qe2 26.ef6 Qa2+/–) 25...fe5 26.Ng3 (26.Rc7 Ng6+–) 26...Nb6 27.Nd4 Qd7 1–0. Malmstroem,Jan – Hansen,Carsten, corr 3GMM˝–09, 1999.

3.Bc4 Bb4 4.Qh5 g6 5.Qh4 Be7 6.Qg3 c6 7.Nc3 b5 8.Bb3 Bb7 9.Nge2 a5 10.a3 Na6 11.d4 Qc7 12.de5 Qe5 13.Bf4 Qc5 14.0–0 g5 15.Be3 h5 16.Bc5 1–0. bratek55 (1720) – omonstro (1620), kurnik, 2012.

3.Bc4 b6 4.Bg8 Rg8 5.Qh5 g6 6.Qh7 Rg7 7.Qh8 Kf7 8.b5 d6 9.Nf3 Bg4 10.Nc3 Rg8 11.Qh7 Rg7 12.Qh4 Bf3 13.gf3 f5 14.Qd8 1–0. bratek55 (1730) – savaludaglava (1705), kurnik, 2012.

3.Bc4 Ne7 4.a3 g6 (4...d5 5.ed5 Nd5 6.d3= (6.Nf3 Nc6 7.0–0 Be6 8.d4 Qe7 9.b5 Nd4 10.Nd4 ed4 11.Qd4) 6...Nb6 7.Bb3 a5 8.ba5 Nd5 9.Ne2 Bg4 10.f3 Be6 11.c4) 5.Ba2 (5.Nc3 f5+= (5...a5 6.b5 d5 7.ed5 Nd7 8.Qf3 Nf5 9.Nge2 Nc5 10.h4 Bd7 11.d3) 6.d3 Bg7 7.Nf3 c6 8.0–0 d5 9.Bb3 Qd6 10.Re1 Nd7 11.h3) 5...Nec6 (5...d6 6.Nf3+= (6.Nc3 Nbc6 7.Nf3 Bg7 8.0–0 Bg4 9.h3 Bf3 10.Qf3 Nd4 11.Qd3) 6...Nbc6 7.0–0 Bh6 8.Nc3 Kf8 9.d3 Bc1 10.Qc1 Kg7 11.Qe3; 5...d5 6.Nc3 d4 7.Na4 Qd6 8.Qe2 b6 9.Nf3 Ba6 10.d3 Nbc6 11.0–0) 6.c3 (6.Nc3 Nd4 7.Bb2 Bh6 8.Nge2 Ne6 9.0–0 Nc6 10.Nd5 Ncd4 11.Nd4) 6...Bh6 7.g4 (7.Nf3 d6+= (7...f5 8.d3 Bc1 9.Qc1 fe4 10.de4 Qf6 11.0–0) 8.0–0 Kf8 9.d4 Bc1 10.Qc1 Kg7 11.Qe3) 7...d6= 8.Qb3 (8.h3 Ne7 9.Qb3 Rf8 10.Nf3 f5 11.ef5) 8...Bg4?? (better is 8...Rf8 9.Qd1 f5 10.gf5 Qf6+= (10...Qh4 11.d3) 11.d3) 9.Qf7# 1–0. Eries – Pekin Dragons, ChessWorld.net, 2011.

2.e4 g6

3.Nc3 e5 4.a3 Nh6 5.Nf3 d6 6.d4 Bg4 7.de5 fe5 8.Bg5 Qd7 9.Nd5 Qc6 10.Bb5 Bf3 11.Qf3 Qb5 12.Nc7 Kd7 13.Nb5 Nc6 14.Qh3 Ke8 15.Nc7 Kf7 16.Qe6 1–0. Johannes,Jan – Krahl,Wolfgang, corr TKM/A006, 1999.

3.e5?? fe5 4.Bb2 Nf6 5.Be5 Nc6 –/+.

3.e5?? f5?? 4.Nf3+= e6 5.b5 (5.a3 Ne7+/–) 5...b6 (5...a6 6.Nc3+=) 6.Nc3 (6.c4 d6 7.Nc3 de5 8.Ne5 Bb7+/–) 6...Bb7 7.d4 Bb4 8.Bd2 a6 9.a4 Bc3 10.Bc3 ab5 11.ab5 Ra1 12.Ba1 Ne7 13.Ke2 0–0 14.h4 Nd5 15.Qd2+/– Kf7? 16.h5+– Rg8 17.c4 Ne7 18.Ng5 Kg7 19.h6 Kf8 20.Nh7 Ke8 21.Nf6 Kf8 22.Ng8 Kg8 23.Qg5 Kh7 24.Qf6 (24.Qf6 Qg8 25.Qe7 Kh8 26.h7 Bf3 27.Kf3 Nc6 28.bc6 dc6 29.Qf6 Qg7 30.Qd8 Qf8 31.Qf8#) 1–0. mtr – oppo, internet, 2009.

1...h5

2.a3 b5 3.Bb2 Bb7 4.d3 e5 5.Nd2 d6 6.Ngf3 f6 7.g3 Nh6 8.Bg2 Nf5 9.c4 Bf3 10.Nf3 a6 11.Ne5 Ra7 12.Ng6 Rg8 13.Nf8 Kf8 14.Bd5 Rh8 15.0–0 bc4 16.dc4 Nd7 17.e4 Ne7 18.f4 Nd5 19.ed5 Nb6 20.c5 Nc4 21.Bc3 Ne3 22.Qe2 Nf1 23.Rf1 dc5 24.bc5 Qd5 25.Bb4 Kg8 26.Qe7 Kh7 27.Re1 Qd4 28.Kg2 Qd5 29.Qe4 Qe4 30.Re4 c6 31.Re6 Rc7 32.Ba5 Rcc8 33.Re7 Ra8 34.Bc3 Kg6 35.h3 Rhe8 36.Rc7 Rac8 37.Ra7 Ra8 38.Rb7 Re2 39.Kf1 Ra2 40.Bb4 Rh2 41.h4 Rc2 42.Rb6 a5 43.Be1 Ra2 44.Rc6 Ra3 45.Rd6 Re8 46.Rd1 Rc8 47.Rc1 Rd3 48.c6 a4 49.c7 Rd7 50.Ba5 Rd5 51.Bb6 a3 52.Ra1 Rd3 53.Ba5 Rg3 54.Kf2 Rb3 55.Kg2 f5 56.Kf2 Kf7 57.Kg2 Ke6 58.Re1 Kd7 59.Rd1 Kc6 60.Rc1 Kb5 61.Bc3 Rc7 62.Bg7 Rc1 63.Be5 Rc2 64.Kf1 Rb1 0–1. golfx – doca30, kurnik, 2012. (=1.a3 h5 2.b4)

2.a3 g6 (--> 1.b4 g6 2.a3 h5).

2.a3 h4 3.Bb2 d5 4.d3 a6 5.Nd2 Nc6 6.Ngf3 h3 7.g3 Qd6 8.c4 d4 9.c5 Qd5 10.Qb3 Qb3 11.Nb3 e5 12.Bc1 Bg4 13.Bd2 0–0–0 14.a4 f6 15.b5 ab5 16.ab5 Nb8 17.e3 de3 18.fe3 Rd5 19.Bb4 Bf3 20.Rg1 Bg2 21.Bg2 hg2 22.Rg2 Rd3 23.Ke2 Rb3 24.Ba5 Bc5 25.b6 Bb6 26.Bb6 Rb6 27.Kf3 Ne7 28.Rc2 Rb3 29.Rac1 Nec6 30.h4 Rd8 31.Rc3 Rd3 32.Rb3 Rb3 33.Re1 Nd7 34.Kg4 g6 35.h5 gh5 36.Kh5 Nb6 37.Kg6 Nd7 38.Kf5 Kd8 39.g4 Ke7 40.g5 fg5 41.Kg5 Ke6 42.Kg4 Nf6 43.Kf3 Nd4 44.Kf2 Nf5 45.e4 Nd4 46.Rc1 c6 47.Ra1 Ne4 48.Kg2 Kd5 49.Ra7 c5 50.Ra8 c4 51.Rd8 Nd6 52.Kf2 b5 53.Ke1 Rb2 54.Kd1 c3 55.Kc1 b4 56.Rh8 Nc4 57.Rd8 Ke4 58.Rh8 Nb3 59.Kd1 c2 60.Ke2 c1Q 0–1. golfx – szilagyi, kurnik, 2012. (=1.a3 h5 2.b4)

2.Ba3 g6 3.Nf3 Bg7 4.d4 Nc6 5.c3 d6 6.e4 Bg4 7.Bc4 Nf6 8.h3 Be6? (better is 8...Bc8 9.b5 Na5+=) 9.d5+– Bd5 (9...Bd7 10.dc6 Bc6 11.Nbd2+–) 10.ed5 Nb8 11.0–0 Qd7 12.Nbd2 0–0 13.Nd4 c6 14.Re1 cd5 15.Bb5 Qd8 16.Re3 a6 17.Bd3 e5 18.N4f3 e4= 19.Ne4 de4 20.Be4 Nc6 21.Rd3?? Ne4–+ 22.b5 ab5 23.Rb1 Ra3 24.Qc1 Ra2 25.Rb5 Nf2 26.Rb7 Nd3 27.Qb1 Re2 28.h4 Bc3 29.Qd3 Bd4! 30.Nd4 Re1 31.Kf2 Rfe8 32.Rb2 Qf6 33.Nf3–+ Nd4! 34.Kg3 Nf5 35.Kf2 Qb2 36.Nd2 R8e2! 37.Qe2 Re2 38.Ke2 Nd4 39.Kd3 Qc2 40.Kd4 Qd2 41.Ke4 Qg2 42.Kf4 Qg4 43.Ke3 d5 44.Kd3 Qe4 45.Kd2 d4 46.Kd1 d3 47.Kd2 Qe2 48.Kc1 Qc2# 0–1. pikelet – pieeater, ChessWorld.net, 2011.

2.a4 g6 3.Bb2 f6 4.e4 Bg7 (4...e6 5.b5+=) 5.Bc4 (5.Nf3 h4+=) 5...d6 (5...e6 6.d4+=) 6.f3 (6.Nf3 e5+/–) 6...Nc6 7.Bg8 (7.b5 Na5 8.Ba2 e5+=) 7...Rg8= 8.Ne2 (8.b5!? Na5 9.Bc3=) 8...Nb4+= 9.d3 (9.0–0 h4+=) 9...Be6 (9...Nc6 10.0–0–/+) 10.0–0+= Qd7 11.c3 Nc6 12.Nd2 0–0–0 13.Ba3 g5 14.c4 g4 15.g3? Bh6 16.f4–/+ Rh8 17.Nb3 Bg7 18.Rb1 h4 19.f5 Bf7 20.Nbd4 Nd4 21.Nd4 hg3 22.hg3 Bh5 23.Ne6+= Rdg8 24.c5 dc5?? 25.Bc5?? b6= 26.Ba3 Bf8 27.Qd2 Bf7–/+ 28.Nd4?? Rh3 29.Qg2?? Rgh8 30.Nb5 Kb8 31.Rb2 a6 32.Nd4 Qd4 33.Rff2 Qd3 34.Bb4 Qd1 35.Rf1 Qd4 36.Rff2 a5! 37.Be1 Ka7 38.Rbd2 Qa4 39.Kf1 Rh1 40.Ke2 Bc4 41.Rd3 Bd3 42.Kd3–+ Re1 43.Rd2 Qb3 44.Kd4 c5# 0–1. Mphilliber – pieeater, ChessWorld.net, 2010.

2.Bb2 e5 3.Be5 Qe7 4.Bc7+/– Qb4 5.e3 Qc5+/– 6.Bf4 Qa5 7.Bc4 Qf5 8.Nc3 Nc6 9.Nd5 Nb4? 10.Nc7 Kd8 11.Na8 Nc2 12.Kf1 Na1 13.Qa1 (13...b5 14.Bb3+–) 1–0. Wall,Bill – Canadian, Internet, 2003.

2.Bb2 e6 (--> 1.b4 e6 2.Bb2 h5).

2.Bb2 f5 3.Nf3 d5 4.e3 b5? 5.Bb5+– Bd7 6.Bd7 Nd7 7.0–0 Rh6 8.d3 Re6 9.e4 Nh6? 10.ed5 Rg6 (11.Nd4 Nf6+–). marcosr – doubleattack, net–chess.com, 2005.

2.Bb2 Nf6 (--> 1.b4 Nf6 2.Bb2 h5).

2.Bb2 g5?? 3.Bh8 f6 4.Nf3 Nh6 5.e3 d6 6.c4 Be6 7.Nc3 Nc6 8.a3 Qd7 9.Be2 0–0–0 10.0–0 Ng4 11.g3 Bh6 12.Nd4 Rh8 13.Ne6 Qe6 14.Bg4 hg4 15.Ne2 Ne5 16.Nd4 Qd7 17.Rc1 Nd3 18.Rc3 Nb2 19.Qc2 Na4 20.Rd3 e5 21.Nb5 a6 22.Qa4 ab5 23.Qb5 Qb5 24.cb5 c6 25.bc6 bc6 26.Rc1 Kb7 27.Rd6 Bf8 28.Rdc6 Bh6 29.Rf6 Bf8 30.Rf5 Bd6 31.Rg5 e4 32.Rg4 Rc8 33.Rc8 Kc8 34.Re4 Kc7 35.f4 1–0. thecat74 – kinik00, kurnik, 2012.

2.Bb2 g6?? 3.Bh8+– f6 4.g3 Kf7 5.h4 e5 6.Bg2 Bb4 7.f4 Ne7 8.c4 Qh8+= 9.e3 d6 10.Qb3 Nec6 11.c5 Be6 12.Qc2 Bc5 13.Qb2 b6 14.Qb5 a6–/+ 15.Qd3 Nb4–+ 16.Qc3 Bd5?? 17.Bd5+/– Nd5 18.Qb3 c6 19.Nf3 Ke7 20.e4 Nc7=+ 21.d3 ef4 22.gf4= f5 23.Ng5?? Qa1–+ 24.Ke2 Qd4 25.Qc3 Qf2 26.Kd1 Qf4 27.Qg7 Ke8 28.Qg6 Kd8 29.Qh5?? Qg4 30.Qg4 fg4 31.h5 Ke8 32.h6 Bd4 33.h7 Nb5?? 34.Nd2 Ke7 35.Nb3? Bg7 36.h8Q Bh8 37.Rh8 Nc3 38.Kc2 Kf6 39.Nh7? Ke7?? 40.Kc3+– g3 41.Rg8 Ra7?? 42.Rb8 b5 43.Na5 Rc7 44.Rg8 Ke6 45.Rg3 Rh7 46.Rg6 Kd7 47.Rg8 c5 48.Ra8 Rh3 49.Ra6 c4 50.Kd4?? cd3 51.Nb3+– Kc7 52.e5 Rh6?? 53.Kd3 Re6 54.Ke4 Re5?? 55.Kd4 Kd7 56.Nd2 Kc7?! 57.Nf3 Rc5 58.Nd2 Rc2?? 59.Kd3 Rc6? 60.Ra3 d5? 61.Kd4 Kd6 62.Rb3?? Rc2= 63.Kd3 Rc5?? 64.Rb4+– Kc6 65.Nb3 Rc4 66.Na5 Kc5 67.Nb3?? Kb4–+ 68.Nd2 Rc3 69.Kd4 Rc5 70.a3= Ka3 71.Kc5 b4 72.Kd5 b3 73.Kc4 b2 74.Kc3 Ka2 75.Kc2 Ka1 76.Nb1 Ka2 77.Nc3 Ka3 78.Nb1 Ka2 79.Kc3?? Kb1–+ 80.Kd2 Ka2 81.Kc2 b1Q 82.Kd2 Kb2 83.Ke2 Qc2 84.Ke3 Kc3 85.Kf3 Qd3 86.Kf4 Kd4 87.Kg4 Qe4 88.Kg5 Ke5 89.Kh5 Kf6 90.Kh6 Qg6# 0–1. yeatond – dwitman (1610), net–chess.com, 2007.

2.b5 b6 3.c4 (3.Nf3 Nf6=) 3...Bb7 (3...Nf6 4.Nc3+=) 4.Nc3 (4.Nf3 a6+=) 4...h4 (4...Nf6 5.Nf3+=) 5.Nf3 (5.d4 Nf6+=) 5...h3 (5...Nf6 6.d4+=) 6.gh3+/– e5 (6...Nf6 7.d4+/–) 7.Rg1 Nf6 (7...d6!?+/–) 8.Ne5+– Qe7 (8...d6 9.Nf3+–) 9.d4 Ne4 (9...d6 10.Nd3+–) 10.Ne4 Be4 11.Rg4 Bf5?! (11...d5 12.cd5 Bd5 13.e4+–) 12.Rf4 Be6 13.Bg2 c6 14.Qc2 f6 15.Ng6 Qb4 16.Bd2 Qc4 17.Qc4 Bc4 18.Nh8 Be2 19.Re4 Kd8 20.Nf7 Kc7 21.Ke2 Bb4 22.Bb4 (22.Bb4 a5 23.Bd6 Kb7 24.a4 Na6 25.bc6 Ka7 26.cd7 f5 27.Re8 Re8 28.de8Q b5 29.Qc8 ba4 30.Qb7#) 1–0. pierre – poppofas, internet, 2010.

2.b5 f6 3.e4 d6 4.Be2+/– g6 5.d4 Nh6 6.Nf3+/– Nf7 7.Nh4 Rg8 8.f4 c6 9.0–0+– Bd7 10.f5 g5 11.Bh5 gh4 12.Bf7 Kf7 13.Qh5 Kg7 14.Bh6 (14...Kh8 15.Bf8#) 1–0. pierre (2040) – juanpacio (1645), internet, 2006.

2.b5 Nf6 3.Bb2 =.

2.b5 g6 3.Bb2 f6 (3...Nf6 4.e4=) 4.c4 (4.e4 e5+=) 4...d6 (4...e5 5.d4=) 5.e4+= Be6 (5...e5 6.Nf3+=) 6.Nf3 Bh6 7.Bd4 (7.d4 Bg4+/–) 7...Nd7 8.Bd3 (8.Be2 Ne5+=) 8...Nb6 (8...Ne5 9.Be5 de5 10.Qc2=) 9.Nc3 (9.Qc2 Bg7+=) 9...Qd7 (9...Nc4 10.Be2 Bf7 11.Nd5=) 10.Nh4 (10.Nd5+=) 10...0–0–0? (better is 10...Bf7!?+=) 11.Ng6+/– Rh7 12.Qe2 (12.Nd5 Bg7+/–) 12…f5. Pekin Dragons – pieeater, ChessWorld.net, 2011.

2.b5 Rh6 3.d4+= Rb6 4.e4 g6 (4...d5 5.ed5 Qd5 6.c4 Qe4 7.Ne2+=) 5.Nc3 Bg7 6.Nf3 a6 (6...Nf6!?+/–) 7.Nd5+– Rb5 8.Bb5 ab5 9.0–0 c6 10.Ne3 b6 11.Bb2 c5 12.Rb1 (12.Re1!? Bb7 13.e5 b4+–) 12...Ra2+/– 13.c4 bc4 14.Nc4 Nf6 15.dc5+– Ne4? 16.Bg7 d5 17.cd6 Ra4 18.Qa4 Nd7 19.de7 Qe7 20.Nb6 Nec5 21.Qa8 Qd8 22.Nd7 Kd7 23.Rfd1 Ke8 24.Rd8 Kd8 25.Ne5 Nb7 26.Rb7 Ke8 27.Qc8# 1–0. Taulien,Hans_Juergen – Olsfelder,Nils, remoteschach.de, 2002.

2.c3 a5 3.b5 c5 4.c4 d5 5.Bb2 d4 6.e3 e5 7.ed4 ed4 8.d3 Bd6 9.Nd2 f5 10.Ngf3 Qc7 11.Be2 h4 12.h3 Nd7 13.0–0 Ngf6 14.Re1 Kf8 15.Nf1 b6 16.Bc1 Bb7 17.Bg5 Bf3 18.Bf3 Re8 19.Qd2 Kf7 20.Re8 Ne8 21.Re1 Nef6 22.Bc6 Nf8 23.Qe2 Kg6 24.Bf6 Kf6 25.Qe8 Qe7 26.Re7 Be7 27.Bd5 Ng6 28.Qf7 Kg5 29.Nd2 Rf8 30.Nf3 Kh6 31.Qe6 Rf6 32.Qc8 Kh5 33.Qg8 Nf4 34.Qg7 Nd5 35.cd5 Bd8 36.Qg5 1–0. mrjb (1860) – antique (1930), kurnik, 2012. (=1.c3 h5 2.b4)

2.c3 a6 3.a4 e5 4.Bb2 d6 5.c4 f6 6.Nf3 d5 7.c5 b6 8.Qc2 Nc6 9.Ba3 Bg4 (9...Nge7 10.b5 ab5 11.ab5+=) 10.h3 Bf3 11.Qg6 Ke7 12.gf3 bc5 13.bc5 Nd4 14.Nc3 Rh6 15.Qd3 Ke6 16.h4 Nb3 17.Rb1 Nc5 18.Bc5 Bc5 19.Bh3 Kf7 20.Nd5 c6 (better is 20...Ne7 21.Nb4 Bb4 22.Qc4 Ke8 23.Qb4 f5=) 21.Ne3?? (better is 21.Rb7 Ne7 22.Be6 Kf8 23.Rd7 Qd7 24.Bd7 cd5 25.Be6+/–) 21...Qd3–+ 22.ed3 Re8 23.Rb7 Ne7 24.Rc7 Rd8 25.Ke2 a5 26.Nf5 Bb6?? 27.Re7+– Kf8 28.Rb7 Rh8 29.Rb6 Kf7 30.Rc6 g6 31.Nd6 (31.Nd6 Kf8 32.Rg1+–) 1–0. jackw171 – slpawel, kurnik, 2012.

2.c3 g6 3.Bb2 Bg7 4.Qc2 a5 5.ba5 Ra5 6.c4 Nf6 7.Bc3 Ra8 8.e3 0–0 9.Be2 e6 10.Nf3 d5 11.cd5 Qd5 12.a3 Nc6 13.0–0 b5 14.d4 Ne4 15.Bd3 Nc3 16.Nc3 Qd7 17.Be4 Ba6 18.Rfb1 Rab8 19.Nd1 Na5 20.a4 Nc4 21.ab5 Bb5 22.Bd3 Nd6 23.Bb5 Rb5 24.Nc3 Rb1 25.Rb1 Ra8 26.h3 Nf5 27.Qd3 c5 28.Ne5 Be5 29.Qe4 Ra3 30.de5 Rc3 31.Rb8 Kg7 32.Rb1 Qd3 33.Qd3 Rd3 34.Rc1 Rd5 35.Kf1 Re5 36.Ke2 Rd5 37.e4 Nd4 38.Ke3 Rd7 39.Rc5 Kf6 40.Rc4 e5 41.f4 1–0. martin78ns – 19mucha93, kurnik, 2012. (=1.c3 h5 2.b4)

2.c3 h4 3.Nf3 e6 4.h3 d6 5.e4 a6 6.e5 d5 7.d4 b5 8.Bg5 Be7 9.Be7 Qe7 10.Qd2 Nd7 11.Qg5 Qg5 12.Ng5 Nh6 13.g3 hg3 14.fg3 Nf5 15.g4 Ng3 16.Rg1 Nf1 17.Kf1 f6 18.ef6 gf6 19.Nf3 Rh3 20.Kf2 Nf8 21.g5 f5 22.g6 Rf3 23.Kf3 e5 24.g7 e4 25.Ke3 f4 26.Kd2 e3 27.Kd1 Be6 28.Na3 0–0–0 29.g8Q Bg8 30.Rg8 Ne6 31.Rd8 Kd8 32.Ke2 Ke7 33.Rg1 Kf6 34.Nb5 ab5 35.a3 Kf5 36.Rg8 Ke4 37.Re8 f3 38.Kd1 Kf5 39.c4 dc4 40.d5 Nd4 41.Re3 Kf4 42.Re8 f2 43.Rf8 Kg3 44.Rg8 Kf4 45.Rf8 Ke3 46.Re8 Kf3 47.Rf8 Kg2 48.Rg8 Kf3 49.Rf8 Kg2 50.Rg8 Kf3 51.Rf8 ˝–˝. feromont – aleksandras19, kurnik, 2012. (=1.c3 h5 2.b4)

2.Nc3 g6 3.e4 Bg7 4.Nf3 d6 5.d4 Nc6 6.Bf4 Bg4 7.Be2 Nf6 8.Nh4 Be2 9.Qe2 Qd7 10.0–0 Nd4 11.Qd3 0–0–0 12.Qd4 Kb8 13.b5 Bh6 14.a4 Bf4 15.Ne2 Be5 16.Qe3 Ba1 17.Ra1 Ng4 18.Qb3 e6 19.Rd1 g5 20.Nf3 f6 21.h3 Ne5 22.a5 g4 23.c4 gf3 24.Ng3 fg2 25.Kg2 h4 26.Nf1 Qg7 27.Kh2 Rhg8 28.Ne3 Nf3 29.Kh1 Qg1 30.Rg1 Rg1# 0–1. calchess10 – pieeater, ChessWorld.net, 2012.

2.c4 e5 3.a3 f6 4.Nc3 a5 5.b5 c6 6.d4 cb5 7.Qd3 (better is 7.Nb5 Nc6 8.Nf3+/–) 7...b4?? (better is 7...bc4 8.Qg6 Ke7+=) 8.Qg6+– Ke7 9.Nd5 Kd6 10.Nf3 Ne7 (10...b5 11.Ne5 bc4 12.Nf7 Kd5 13.Qf5 Kc6 14.Nd8 (14.Nh8?! d5 15.Qh5 Be6+–) 14...Kc7 15.Nf7+–) 11.de5 Kc5 (11...Kc6 12.Nd4 Kc5 13.ab4 ab4 14.Nb3 Kc6 15.Ne7 Qe7 16.Nd4 Kb6 17.Ra8 Qe5+–) 12.Be3 Kc4 (12...Kc6 13.Nd4 Kc5 14.Ne6 Kc4 15.Qd3) 13.Qd3 1–0. Janek – bwbor, internet, 2016.

2.c4 e6 3.b5 g5 4.Bb2 Rh7 5.a4 Bg7 6.d4 g4 7.e3 f5 8.Bd3 b6 9.Ne2 Bb7 10.0–0 h4 11.Nf4 Bh6 12.Qc2 Qf6? (better is 12...a6!?+=) 13.d5+– Qf7? (better is 13...Qe7 14.de6 Bf4 15.ed7 Nd7 16.ef4 Be4+–) 14.Re1?? (better is 14.de6 de6 15.Ne6+–) 14...Bf4 15.ef4 Ne7 16.Nd2 g3 17.fg3 hg3 18.h3 Qh5 19.Re3 Ng6?? 20.de6 Nf4 21.ed7 Kd7 22.Bf5 Qf5 23.Qf5 Kd6 24.Qf4 Kc5 25.Ne4 Be4 26.Qe4 Nc6 27.Ba3 Nb4 28.Qd5 1–0. poganinbezdom (1650) – twojkoniec, kurnik, 2011. (=1.c4 h5 2.b4)

2.c4 f5 3.Nf3+= a5 4.b5 c6 5.Nc3 cb5 6.Nb5 d6 7.d3 d5 (Better is 7...Nf6!?+=) 8.cd5 Qd5?? (Better is 8...Nf6+–) 9.Nc7 Kd8 10.Nd5 a4 11.Be3 e6 12.Bb6 Ke8 13.Nc7 Ke7 14.Qc1 g6 15.Qc5 Kf6 (15...Kf7 16.Ne5 Kg7 17.Ne8 Kh6 18.Qf8 Kg5 19.Be3 f4 20.Qf4) 16.Qf8# 1–0. Baumann,Heinz – Bruestl,Sabrina, remoteschach.de, 2003.

2.c4 h4 3.Bb2 h3 4.Nh3 a5 5.b5 e6 6.a4 d5 7.e3 Nf6 8.Nf4 c6 9.Nc3 Bd6 10.cd5 cd5 11.Ba3 0–0 12.h4 Re8 13.Bd6 Qd6 14.d4 Nbd7 15.h5 e5 16.de5 Ne5 17.Nfd5 Nd5 18.Nd5 Bg4 19.Qd4 Rad8 20.e4 Bc8 21.f4 Ng4 22.Rd1 Bf5 23.e5 Qa3 24.Rh3 Bc2 25.Ra3 Bd1 26.Kd1 1–0. blackiwhite (1730) – 3mjack (1710), kurnik, 2012. (=1.c4 h5 2.b4)

2.d3 b6 3.Nc3 Bb7 4.e4 e6 5.Be2 h4 6.Nf3 h3 7.0–0 hg2–/+ 8.Kg2 d5 9.e5? Nd7 10.d4 Bb4–/+ 11.Bg5 f6–+ 12.ef6 gf6 (13.Bd2 e5–+; < 12...Ngf6 13.Qd3–/+) 0–1. stardom (2130) – threefingers, net–chess.com, 2005.

2.d3 Nf6 3.Nf3 =.

2.d3 g6 3.Bb2 f6 4.Nf3 d6 5.g3 Nc6 6.a3 Bf5 7.Bg2 Qd7 8.0–0 Bh3 9.Nbd2 g5 10.Ng5 Bg4 11.Ngf3 0–0–0 12.b5 Ne5 13.a4 f5 14.Ne5 de5 15.Be5 Nf6 16.c4 h4 17.h3 Bh5 18.a5 Bg7 19.Qa4 Be2 20.Rfe1 Bd3 21.Nf3 hg3 22.Bg3 Ne4 23.Rad1 e6 24.Bf1 Ng3 25.fg3 f4 26.Bd3 Rh3 27.Bf1 Rg3 28.Bg2 Qe7 29.Kh2 Rh8 30.Kg1 Qc5 31.Kf1 e5 32.Qc2 Kb8 33.Qd3 Bf6 34.Rd2 Qb4 35.a6 b6 36.Qe4 Rf3 37.Bf3 Bh4 38.Qa8# 1–0. The Word – pieeater, ChessWorld.net, 2012.

2.d4 e5 =.

2.d4 Rh6? 3.Bh6+– gh6 4.e3 Nf6 5.Nd2 d5 6.Be2 Nc6 7.b5 Nb4?? 8.a3 Nc2 9.Qc2 Qd6 10.Ngf3 Bd7 11.Ne5 0–0–0 12.Nf7 Re8 13.Nd6 (13.Nd6 ed6 14.Rc1+–) 1–0. mtrold1 – opponent, internet, 2001.

2.e3 d6 3.Be2 h4 4.c4 Nf6 5.Nc3 Nc6 6.b5 Ne5 7.d4 Ng6 8.Nf3 a6 9.ba6 Ra6 10.0–0 Bg4 11.h3+/– Bf5 12.Ng5 e5 13.e4 Bd7 14.c5!+– Ra8 15.Qb3 d5 16.ed5 Qe7 17.Bc4 Nh5 18.d6! cd6 19.Bf7 Kd8 20.Qb7 Ngf4 21.Qa8 Bc8 22.Nd5 Nd5 23.Ne6 Kd7 24.Qa4# 1–0. luciano59 (2105) – juanpacio (1735), internet, 2006.

2.e3 e6 3.b5 a6 4.c4 f5 5.Bb2 d5 6.a4 Kd7 7.Nc3 dc4 8.Bc4 ab5 9.Nb5 Ra6 10.Nf3 Ra4 11.Ra4 Rh6 12.Ne5 Ke8 13.Qb3 Rg6 14.Ng6 Be7 15.Be6 Be6 16.Qe6 Qc8 17.Qg8 Kd7 18.Rd4 Bd6 19.Nd6 1–0. jura1946 – eventhorizon3, kurnik, 2012.

2.e3 h4 3.Nc3 a6 4.a4 b6 5.Qf3 c6 6.b5 e6 7.Nh3 Qf6 8.Bb2 Qf3 9.gf3 Nf6 10.Ng5 Bb7 11.Nce4 Ne4 12.fe4 c5 13.ba6 Na6 14.c3 f6 15.Nh3 Be4 16.Rg1 g5 17.Rg4 Bf5 18.Rg1 Kf7 19.f3 Rg8 20.e4 Bh3 21.Bh3 Bd6 22.Rg2 c4 23.0–0–0 Nc5 24.Ba3 Nd3 25.Kc2 Ba3 26.Re2 Nf4 27.Be6 de6 28.Rf2 Bc5 29.Rff1 Ra4 30.d4 cd3 31.Kd2 Rga8 32.Ke1 Ra2 33.Rh1 Re2 34.Kf1 Raa2 35.h3 Rf2 36.Ke1 Rae2 0–1. nakpim – aleksandras19, kurnik, 2012.

2.e4 Nc6 3.a3 e5 4.Nf3= f6 5.Bc4 Nh6 6.Ng5 fg5?? 7.Qh5+– g6 8.Qg6 Ke7 9.Qg5 Kd6 10.Qg6 Ke7 11.d3 Rg8 12.Bg5# 1–0. guest945 – guest640, ICC, 1999.

2.e4 d6 3.d4 g6 4.Nf3 a6 5.Bd3 Bg4 6.h3 Bf3 7.Qf3 e6 8.c3 Qf6 9.Nd2 Qf3 10.Nf3+/– Nd7 11.Rb1 b6 12.0–0 Bh6+= 13.Ng5 Bg5 14.Bg5 e5 15.Be3 Nh6 16.f4 c6 17.fe5 de5 18.de5 Ne5 19.Bd4+– 0–0?? 20.Be5 Rfd8 21.Rbd1 c5 22.Bc7 Rd7 23.Bb6 cb4 24.cb4 Rb8 25.Ba5 Kg7 26.Ba6 Rd1 27.Rd1 Re8 28.b5 Re4 29.b6 Nf5 30.b7 Re8 31.Rd8 Rd8 32.Bd8 (32.Bd8 Nd4 33.b8Q Nf5 34.Qe5 Kg8 35.Bf6 Kh7 36.Qe8 g5 37.Qh8 Kg6 38.Bd3 h4 39.Qg7 Kh5 40.Qg5#) 1–0. b4_player – opponent, gamecolony.com, 2007.

2.e4 f5 3.ef5+/– d6 4.Ne2 d5 5.Nbc3 1–0. marr3396 – agust03, internet, 2010.

2.e4 Nf6 A) 3.Nc3 A1) 3...d5 4.e5 Ne4 5.Nce2 e6 6.c3+=; A2) 3...e6 4.a3 a5 5.b5 d5 6.e5+=; A3) 3...e5 4.a3 d5 5.ed5 Nd5 6.Bb2=; B) 3.Qe2 B1) 3...Nc6 4.e5 Ng4 5.c3 d6 6.d4=; B2) 3...d6 4.d4 e5 5.d5 c6 6.Nc3=; B3) 3...e5 4.c3 Qe7 5.Nf3 d6 6.d3=; C) 3.e5 Nd5 4.a3 d6 5.d4 a5 6.b5+=.

2.f3 g6 3.Bb2 f6 4.e4 Nc6 5.c3 d6 6.b5 Ne5 7.d4 Nc4 8.Bc4 Bd7 9.Qb3 g5 10.Bf7# 1–0. primemover – pieeater, ChessWorld.net, 2012.

2.Nf3= e5 3.Ne5 Bb4 4.e3 Rh6 5.a3 Ba5 (5...Be7 6.Bb2+=) 6.Nc4 Bb6 7.d4 g5 8.Nc3 d5 9.Nb6 ab6 10.Bd3 c5 (10...Nc6!?+=) 11.dc5+– bc5 12.Nd5! Nc6 (12...Qd5 Decoy to d5 13.Bb5 Discovered attack) 13.e4 Re6 14.0–0 g4 15.f3 (15.Bf4!? Ne5+–) 15...Ne5 16.Be2 Qh4?? (better is 16...gf3 17.Bf3 h4+–) 17.Nc7 Ke7 18.Qd5 Nf6 (18...gf3 19.Qc5 Kf6 20.Ne6 Be6+–) 19.Qc5 (19.Na8 Nd5 20.g3 Qh3 (worse is 20...Nf3 21.Bf3 Qf6 22.ed5+=) 21.ed5 gf3 22.Bg5 Kd6 23.Rf3 Nf3 24.Bf3 Rg6 25.Bf4 Kd7–/+) 19...Kd8 Plans Nfd7 20.Rd1 (better is 20.Ne6 Be6 21.Qe5 gf3+–) 20...Bd7 (20...Ned7 21.Ne6 fe6+–) 21.Ne6 fe6 22.Qe5 Ra6 23.Bg5 (23.Bg5 Qg5 24.Qg5+–) 1–0. Woelfelschneider,Peter – Lenhart, 2009.

2.Nf3 f6 3.e4 Nh6 4.d4 Nf7 5.c4 c6 6.Nc3 g5 7.Bb2 d6 8.Bd3 Na6 (9.a3 g4+/–). Hartur – juanpacio (1720), internet, 2006.

2.Nf3 h4 3.h3 Nc6 (3...d5 4.a3=) 4.b5+= Na5 5.Bb2 b6 6.e4 Bb7 7.d3 Nh6 8.Ng5 (8.Nh4!? c6 9.a4+/–) 8...e6+= 9.Qf3?? (better is 9.Nf3+=) 9...Qg5–+ 10.Be2 (10.d4 d5 11.e5 0–0–0–+) 10...Qc5 (better is 10...Qb5 11.Bc3 d5–+) 11.Na3 (11.c4–+) 11...Qg5 (better is 11...Qb4 12.c3 Qb2–+) 12.Bc1?? (12.Nb1 Qb5 13.Bc3 Bb4–+) 12...Qc5 13.Be3?? Qa3 14.Bc1 Qb4 15.Bd2 Qb2 16.0–0 Qc2 17.Bc1 Qc6 18.bc6+– Bc6 19.Bb2 Nb7 20.Rfc1 Nc5 21.d4 Na4? 22.d5 ed5 23.ed5 Bb7 24.Qe4 Kd8 25.Be5 d6 26.Bf4 Nc5 27.Qc4 Ba6 28.Qc2 g5?? 29.Be3 Bg7 30.Rab1 Be2 31.Qe2 Nf5 32.Bg5 f6 33.Bf4 Re8 34.Qg4 Nd3 35.Rc6 Nf4 36.Qf4 Ne7 37.Rc4 Nd5 38.Qf5 Re5 39.Qg6 Rg5 40.Qf7 Kc8 41.Qd5 Rd5–+ 42.Rbc1 Rc5 43.Rc5 dc5 44.Re1 Kb7 45.Re7 Bf8 46.Rd7 c4 47.Kf1 c3 48.Ke1 c2 49.Kd2 Bc5 50.Kc2 Bf2 51.a4 Rg8 52.Kd3 Rg2 53.Ke4 Rg3 54.Rf7 Rh3 55.Rf6 Bc5 56.Rf3 Rh1 57.Kd5 h3 58.Kc4 h2 59.Kb5 Rb1 60.Kc4 Rb4 (60...Rb4 61.Kd3 h1Q 62.Rf1 Qf1 63.Kc3 Qc4 64.Kd2 Rb2 65.Kd1 Qf1; 60...h1Q 61.a5 Rc1 62.Kd5 Qf3 63.Ke6 Re1 64.Kd7 Qd3) 0–1. Sowell,Anthony – Adams,Duane, Internet Section, 2004. (=1.Nf3 h5 2.b4 h4)

2.Nf3 Nh6 3.d4 Rg8 (3...d5 4.a3+=) 4.Bh6 b6?? (better is 4...gh6 5.e4 Bg7+=) 5.Be3 a5 6.b5 c5 (6...d5 7.Qd3 g6 8.Bf4+–) 7.bc6! dc6 (7...Nc6 8.d5 Decoy; 7...dc6 8.Nc3 Combination) 8.Ne5 f6 9.Ng6 Kf7 10.Qd3 e5 11.Nf8 Qf8 12.de5 fe5 13.Nc3 Ba6 14.Qf5 Ke8 15.Qe5 Kd8 16.Bb6 Kd7 17.Qc7 Ke6+– 18.0–0–0 Qb4 19.Bd4 Qa3 20.Kd2 Rc8 21.Qg7 c5 22.Qe5 Kf7 23.Qh5 Kg8 24.Qh8 Kf7 25.Qg7 Ke8 26.Bf6 Nd7 27.Qe7 1–0. jackw171 – kemal2500, kurnik, 2013.

2.g3 e5 3.a3 (3.Bb2 h4=) 3...d5 4.Bg2 (4.Bb2 Bd6+=) 4...Nf6 (4...h4 5.Nf3 e4 6.Nd4+=) 5.d3 (5.d4 ed4 6.Nf3 c5+=) 5...c6 (5...h4 6.Bg5 h3 7.Bf3+=) 6.Nf3= Bd6 (6...Nbd7 7.c4=) 7.Bb2 d4 (7...Qe7 8.c4=) 8.c3+= Bg4 9.cd4 (better is 9.Nbd2 dc3 10.Bc3=) 9...e4 (better is 9...Bf3!? 10.ef3 ed4=) 10.de4+/– Ne4 11.Qd3 Bf5? (better is 11...Qe7+/–) 12.Nh4+– Nf2 13.Qe3 (13.Qf5?! Nh1 14.Qe4 Kd7 15.Bh1 g6+–) 13...Qe7 14.Qf2 Bh7 15.Nc3 0–0 16.e4 f5 17.e5 Bc7 18.0–0 Nd7 19.b5 Bb6 20.bc6 bc6 21.Bc6 Rad8 22.Rae1 Ne5 23.Nd5 Qd6 24.Re5 Qe5 25.de5 Bf2 26.Rf2 g5 27.e6 gh4 28.Ne7 1–0. pierre – zeyaminswe, internet, 2012. (=1.g3 h5 2.b4)

2.g3 e6 3.a3 Qf6 (3...h4 4.Bh3=) 4.Nc3+= d5 (4...h4 5.d4+=) 5.Nf3 c6 (5...Bd6 6.d4+=) 6.d4 g6 (6...Qd8 7.Qd3+/–) 7.e4 Qd8 8.Bd3 a6 (8...Nd7 9.0–0+–) 9.0–0 a5 (9...Nd7 10.Bf4+–) 10.Bg5 Qb6 (10...Be7 11.Qd2+–) 11.b5 Bd7 (11...Be7 12.bc6 bc6 13.Rb1+–) 12.bc6 bc6 13.Rb1 Qa7 (13...Qc7+–) 14.ed5 ed5 15.Re1 Ne7 (15...Be7 16.Qe2 Bf5 17.Bf5 gf5 18.Nh4+–) 16.Na4 Na6 (16...Bc8 17.Qe2 Bg4 18.Nc5+–) 17.Ba6 Qa6 18.Nc5 Qc8 19.Nb7 a4 20.Nd6 Kd8 21.Nf7 (21.Nf7 Ke8 22.Nd6 Kd8 23.Nc8 Kc8 24.Be7+–) 1–0. pierre – Enael, internet, 2012. (=1.g3 h5 2.b4)

2.g3 f6 3.Nf3 e6 (3...e5 4.c3=) 4.a3 d5 5.Bb2 Ne7 6.Nc3 a6 (6...e5 7.Bg2=) 7.e4 Nbc6 (7...d4 8.Na2 e5 9.c3=) 8.ed5 ed5 9.Bg2 1–0. pierre (2090) – helmisflorin, Lasker simul special, 2012. (=1.g3 h5 2.b4)

2.h3 g6 3.e4 Bg7 4.c3 Nc6 5.Nf3 d6 6.a4 Be6 7.d4 d5 8.Qd3 de4 9.Qe4 Qd7 10.Bd3 Nf6 11.Qe3 0–0–0 12.Ne5 Ne5 13.Qe5 Rhg8 14.Bb5 c6 15.Bd3 Ng4 (better is 15...Nd5!? 16.Qe4 Nc3 17.Nc3 Bd4–+) 16.Qa5 Kb8?? (16...Bd4 17.cd4 Qd4–/+) 17.hg4+– Bg4 18.Bf4 Ka8 19.0–0 h4 20.b5 (better is 20.Bc7 h3 21.Bb6+– (21.Bd8 Rd8 22.b5 hg2+/–)) 20...h3?? (better is 20...Qd5 21.Re1 Bf5+–) 21.b6 a6 22.Ba6! ba6 (22...ba6 23.Qa6 Mate attack) 23.Qa6 Qa7 24.Qa7# 1–0. Petra Vreeswijk – pieeater, ChessWorld.net, 2011.

2.h4 d5 3.d4 Nf6 4.Nc3 Nc6 5.e3 Bf5 6.a3 Qd7 7.Nf3 0–0–0 8.b5 Na5 9.a4 e6 10.Ne5 Qe7 11.Ba3 Qe8 12.Bf8 Rf8 13.Bd3 Bd3 14.Qd3 g6 15.Na2 Kb8 16.Qc3 b6 17.Nb4 Ne4 18.Qd3 Nc4 19.Nbc6 Ka8 20.Nd8 Qd8 21.Nc6 Qd7 22.0–0 f5 23.Ne5 Qd6 24.Nc4 Qe7 25.Ne5 Rg8 26.g3 Kb7 27.Qa3 Qe8 28.a5 g5 29.ab6 cb6 30.Qa6 Ka8 31.Qa7# 1–0. Daz101 – pieeater, ChessWorld.net, 2012.

2.h4 g6 3.d4 d6 4.e4 Nc6 5.c3 Nf6 6.f3 d5 7.e5 Nd7 8.Bb5 a6 9.Bc6 bc6 10.Ne2 Bg7 11.Bg5 0–0 12.g4 Rb8 13.gh5 a5 14.ba5 Rb2 15.hg6 fg6 16.f4 c5 17.Ng3 cd4 18.Qd4 c6 19.h5 Kh8 20.hg6 Kg8 21.c4 dc4 22.Nh5 Rg2 23.Ng7 c5 24.Qe4 Rg3 25.Ne6 Qe8 26.g7 Rf7 27.Qh7# 1–0. pmcl1971 – pieeater, ChessWorld.net, 2012.

2.h4 Rh6 3.Bb2 Rb6 4.Bc3 f5 5.a3 a5 6.Nh3 1–0. esko – bartman, net–chess.com, 2001.

2.a3 d5

3.Bb2 h4 4.h3 Qd6 5.Nf3 =.

3.Nf3 Nf6 4.Bb2 h4 5.h3 =.

2.a3 e5

3.Bb2 d6 4.e3 h4 5.d4 =.

3.e4 Nf6 4.Bb2 Ne4 5.Qe2 =.

2.a3 Nf6

3.c4 e5 4.Bb2 d6 5.Nf3 =.

3.Nf3 d5 4.d3 h4 5.h3 =.

2.Bb2 a5

3.a3 ab4 4.ab4 Ra1 5.Ba1 Na6 6.b5 Nb4 7.c3 Nd5 8.e4 Ndf6 9.d3 d5 10.e5 Nd7 11.d4 e6 12.Nf3 Nh6 13.Be2 Nf5 Black plans h4 14.0–0 Be7 15.Nfd2 h4 16.Bb2 h3 17.g3 Nb6 18.Qc2 0–0 19.Rd1 Bd7 20.f4?? Ne3–+ 21.Qd3 Nd1 22.Bd1 Qa8 23.Bg4 Qa4 24.Kf2 Bb5 25.Qe3 Qc2 26.Ba3 Nc4 27.Be7 Ne3 28.Ke3 Ra8 29.Bh3 Qd3 30.Kf2 Ra2 31.Bf1 Qf1 32.Ke3 Qe2 0–1. mihai740609 – backlin, kurnik, 2011.

3.a3 e5 4.Be5 ab4 5.ab4 Na6 6.b5 Qg5 7.Nf3 Qf5 8.ba6 d6 9.ab7 Bb7 10.Ra8 Ba8 11.Nc3 de5 12.Qa1 Qc8 13.Qa8 Qa8 0–1. africa101 – playok117, kurnik, 2012.

3.ba5 Ra5 4.Nf3 Nf6 5.g3 g6 6.Bg2 b6 7.0–0 Bg7 8.h4 0–0 9.Qc1 Nc6 10.d3 Bb7 11.Nbd2 d6 12.Nb3 Nb4 13.Na5 ba5 14.a3 Nbd5 15.c4 Nb6 16.Bc3 a4 17.Qc2 Qd7 18.Rab1 Bc6 19.Ba5 Rb8 20.c5 dc5?? 21.Qc5 Ra8 22.Bb4 Nbd5?? 23.Ne5 Ne4 24.de4 Be5 25.ed5 Bb5 26.Rfe1 Bd6 27.Qc3 c5 28.Bc5 Rc8 29.Rec1 Bc5 30.Qf3 Ba6 31.e4 Bd6 32.Rc8 Qc8 33.Bf1 Qc5?? 34.Ba6 Kg7 35.Bf1 Qc2 36.Rd1 Qc5 37.Qd3 Qb6 38.Kg2 f6 39.Be2 Be5 40.Bf3 Qc5 41.Qd2 1–0. linakip – 19mucha93, kurnik, 2012.

3.ba5 e5 4.Be5+/– Ra5 5.Bc3 Ra8 6.e3 Qg5 7.h4 Qf5 8.Bd3 Qc5 9.Bd4 Qb4 10.Nf3 Nf6 11.Bf6 gf6 12.Nc3 Nc6 13.Ne4 Bg7 14.c3 Qa5 15.Ng3 d5 16.Nf5 Bf5 17.Bf5 d4 18.cd4?? (better is 18.Qb1 dc3 19.Qb7+/–) 18...Qf5–/+ 19.Qb3 0–0 (better is 19...Ra7!?–/+) 20.Qb7= Na5 21.e4?? Qf4 22.Qb2 Qe4 23.Kf1 f5 24.Re1 Qd3 25.Kg1 Nc4 26.Qb7 Rfb8 27.Qc7 Nd2 28.Ng5 Rf8 0–1. lican – playok117, kurnik, 2012.

3.b5 a4 4.a3 e6 5.Nf3 d5 6.e3 Bc5 (better is 6...Nf6!?+=) 7.Bg7+/– Rh7 8.Bb2 Nd7 9.d4 Bd6 10.Bd3 Rg7 11.g3 Ndf6 12.Nbd2 Ng4 13.h3 N4f6 14.Ne5 Nd7? (14...h4 15.Qf3+/–) 15.Ndf3 (better is 15.Qh5!? Ngf6 16.Qe2+–) 15...Nb6+/– 16.Nh4 Qf6 (16...Nf6 17.Rg1+/–) 17.Rf1 Nh6 18.Qf3 (18.Qh5 Rg8+–) 18...Qe7? (18...Qf3!? 19.Nhf3 f6+/–) 19.e4 f6? (19...Ng8+–) 20.Neg6 Qf7 21.e5 fe5 22.Qf7 Rf7 23.de5 Bc5 24.f4?? Nf5 25.Nf5 ef5 26.Kd2 Be6 27.Bc3 Rg7 28.Nh4 Rg3 29.Bb4 Be3 30.Kc3?? d4 31.Kb2 Rh3 32.Rh1 Rg3 33.Nf5 Bf5 34.Bf5 Nc4 35.Ka2+/– Bd2 36.Bd2 (36.Bd2 Ra3 37.Kb1 Nd2 38.Kb2 Nc4 39.Kb1+=; 36.Rh5 Bb4 37.ab4 Ra3 38.Kb1 Nd2 39.Kc1 Ra1 40.Kd2 Kf7 41.Rh7 Kg8 42.Rc7 Rf1 43.Be6 Kh8 44.Rb7 Rf4+=) 1–0. bratek55 (1705) – eppi, kurnik, 2011.

3.b5 a4 4.e3 e6 5.a3 c6 6.Nc3 cb5 7.Nb5 Qb6 8.Bd4 Qc6 9.Nf3 d6 10.c4 e5 11.Bc3 Be6 12.d3 Be7 13.Rc1 g5 14.Ne5 de5 15.Be5 Rh7 16.Nc7 Kf8 17.Na8 Ba3 18.Rb1 b5 19.Nc7 bc4 20.Ne6 fe6 21.Bb8 c3 22.Qc2 Rb7 23.Rb7 Qb7 24.Be5 Ne7 25.Bc3 Nd5 26.Ba1 Bb4 27.Ke2 a3 28.Qb3 Qc6 29.e4 Bc3 0–1. lican – playok117, kurnik, 2012.

3.b5 b6 4.a4 Bb7 5.c4 Nf6 6.Nf3 g6 7.g3 Bg7 8.h4 0–0 9.Bg2 d6 10.0–0 e5 11.d3 Nbd7 12.Nbd2 Nc5 13.Nb3 Nb3 14.Qb3 Nd7 15.d4 ed4 16.Nd4 Ne5 17.Bb7 1–0. rryy44 – lubaczowmarek, kurnik, 2012.

3.b5 b6 4.c4 Bb7 5.Nf3 Nf6 6.Nc3 g6 7.d4 Bg7 8.e3 0–0 9.Be2 Nc6 10.0–0 Nb8 11.Nh4 e6 12.f4 Ng4 13.Bg4 Qh4 14.Bh3 f5 15.c5 Rf6 16.cb6 cb6 17.d5 g5 18.Ne4 g4 19.Nf6 Bf6 20.g3 Qh3 21.Bf6 Bd5 22.Qc2 Kf7 23.Bh4 Ra7 24.Rf2 d6 25.Qc3 Nd7 26.Qd4 Rc7 27.Qh8 Rc3 28.Qh7 Ke8 29.Qh5 Kf8 30.Qh6 Ke8 31.Qg6 Kf8 32.Qh7 Qh4 33.Qh4 Re3 34.Qd8 1–0. fjanusz52 – lubaczowmarek, kurnik, 2012.

3.b5 d6 4.e3 Bd7 5.Be2 h4 6.Nf3 h3 7.g3 Nf6 8.Bf6 ef6 9.Nc3 Be7 10.a4 c6 11.Nd4 Qb6 12.Rb1 c5 13.Nb3 Be6 14.Bf3 c4 15.Nd4 Bd7? (15...Nd7!?+/–) 16.Qe2 g5 (16...Be6 17.Nd5 Bd5 18.Bd5+–) 17.Qc4 Rg8 (17...Qc5 18.Qd3 Bc8+–) 18.Nd5 Qc5 19.Qc5 dc5 20.Nb3 (better is 20.Nc7 Kd8 21.Na8 cd4 22.Bb7 Bf5+–) 20...Bd6 21.Nf6 Kf8 22.Ng8 Kg8 23.Bb7 Ra7 24.Bf3 c4 25.Nd4 Bc5 26.c3 g4 27.Be2 Bd4 28.cd4 Be6 29.e4 Rc7 30.d5 Bc8 31.Rc1 Nd7 32.Rc4 Rc4 33.Bc4 Ne5 34.Be2 f5 35.d3 Nf3 36.Kd1 fe4 37.de4 Kf7 38.Bf3 gf3 39.e5 Ke7 40.Re1 Bf5 (40...Bf5 41.Re3 Kd8+–). lican – playok117, kurnik, 2012.

3.b5 f6 4.g3 e5 5.Bg2 Bc5 6.d4 ed4 7.Bd4 Bd4 8.Qd4 Qe7 9.Nf3 Qb4 10.c3 (10.Nc3 Qd4 11.Nd4 Ne7+/–) 10...Qd4 (better is 10...Qb5!? 11.Nbd2 Nc6+=) 11.Nd4 d6 12.0–0 Nd7? (12...h4 13.Nd2+=) 13.Nf5?? (better is 13.Ne6 Ke7 14.Nc7+–) 13...Kf7 14.Bd5 Kg6 15.Be4 Kf7 16.Rd1 Nc5 17.Bd5 Kg6 18.e4 Bf5–/+ 19.ef5 Kh7 20.Nd2 Ne7 21.Ne4?? Ne4?? 22.Be4+= Rab8 23.a4 Rhd8 24.Kg2 d5 25.Bf3 Nf5 26.Bh5 d4 27.Bg4 Nh6 28.Bf3 dc3 29.Rd8 Rd8 30.Rc1 Rd3?? 31.Be4+– f5 32.Bd3 1–0. wk1234 – sb17kl, kurnik, 2012.

2.Bb2 a6

3.a3 b5 4.e3 Bb7 5.Nf3 Nf6 6.Be2 d6 7.0–0 Nbd7 8.Nd4 Nd5 9.Bh5 (9.Ne6 Qb8 10.Nf8 Kf8 11.Bh5 e5+/–) 9...Ne5?? (better is 9...e5 10.Qg4 ed4 11.Qe6 Qe7 12.Bf7 Kd8 13.Bd4 c5 14.bc5 Qh4–/+ (14...Nc5?! 15.Qe7 Ke7 16.Bd5 Bd5 17.Nc3+=)) 10.f4+/– Ng6 11.Bf3 Qd7 12.Nc3 Nc3 13.Bc3 Bf3 14.Nf3 Rd8 15.d4 Qg4 16.Ng5 Qd1 17.Rad1 f6? 18.Ne6+– Rd7 19.f5 Nh4 20.e4 g6 21.d5 gf5 22.ef5 Bh6 23.g3 Be3 24.Kh1 Nf5 25.Rf5 Kf7 26.Re1 Bb6 27.Bd4 Bd4 28.Nd4 Kg6 29.g4 Rh3 30.Kg2 Ra3 31.Ne6 Ra2 32.Re2 a5 (32...a5 33.Nf8 Kf7 34.Nd7 ab4+–). cogit – jpedrolex, kurnik, 2012.

3.c4 b6 4.Nf3 Bb7 5.e3 e6 6.a3 c5 7.bc5 Bc5 8.Bg7+/– Rh7 9.Bc3 b5 10.cb5+– ab5 11.Bb5 Nf6 12.d4 Bd6 13.0–0 Ne4 14.Bb2 Qb6 15.a4 h4 16.Na3 Bc6 17.Nc4 Qb7 18.Nd6 Nd6 19.Bc6 Nc6 20.d5 Ne7 21.Qc2 Rh5 22.de6 Rha5? 23.ef7 Nf7 24.Nh4 1–0. Wall,Bill – Delmundo Sammy, internet, 2005.

3.c4 Nf6 4.Nf3 =.

3.e4 Nf6 4.e5 Nd5 5.Nc3 g6?? 6.Nd5+– c6 7.Ne3 Bg7 8.f4 d5 9.Nf3 Bh6 10.e6! fe6 11.Bh8 Bf4 12.Bd3 Nd7 13.Bg6 Kf8 14.0–0 Nb6 15.Ne5 Qd6 16.Rf4 Kg8 17.Qh5 Qb4 18.Qh7# 1–0. pierre – motas5405, internet, 2008.

3.e4 g6?? 4.Bh8+– Nh6 5.Nf3 c6 6.Bd3 Ng8 7.0–0 d6 8.e5 de5 9.Ne5 f6 10.Bg6# 1–0. usingprogram (2020) – maoxlin, kurnik, 2012.

3.e4 h4 4.Bc4 Rh6 5.Qf3 f6? 6.Bg8+– 1–0. Wall,Bill – Darryl66, internet, 2005.

3.h3 Nf6 4.a3 b6 5.Nf3 a5 6.b5 Ne4 7.d3 Nd6 8.c4 Nf5 9.e4 Nh6 10.Nbd2 Ng8 11.Be2 Bb7 12.Nd4 e6 13.0–0 Nf6 14.N4b3 Ng8 15.Bh5 Nf6 16.Bf3 e5 17.Be5 c6 18.Nd4 c5 19.Nf5 d6 20.Bc3 Bc8 21.Ne3 Nh5 22.Bh5 Qg5 23.Bg4 Rh4 24.Bc8 Nd7 25.Bb7 Rb8 26.Bc6 1–0. cogit – sebs1, kurnik, 2012.

2.Bb2 b6

3.e3 Bb7 4.Nf3 e6 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 h5).

3.e3 Bb7 4.Nf3 h4 5.Be2 h3 6.g3 Nc6 7.b5 Na5 8.0–0 e6 9.c4 Bd6 10.Bg7 Rh7 11.Bc3 c6 12.a4 Qc7 13.d4 c5 14.Ne5 Nf6 15.Bd3 Rg7 16.Ba5 ba5 17.f4 Ne4 18.Nd2 Ng3 19.hg3 Rg3 20.Kf2 Rg2 21.Ke1 cd4 22.ed4 0–0–0 23.c5 Be7 24.Be4 Bh4 25.Rf2 Rf2 26.Bb7 Qb7 27.c6 dc6 28.bc6 Qc7 29.Ndf3 Rf3 30.Ke2 Rf2 31.Ke3 Qd6 32.Rb1 Qa3 33.Qd3 Qd3 34.Kd3 Rf4 35.Rb7 Rdd4 36.Ke3 Rb4 37.Ra7 Rfe4 38.Kd3 Re5 0–1. lllllll21 – rohu, kurnik, 2012.

3.Nf3+= Bb7 4.e3 e6 5.a3 h4 6.h3 Nc6 7.c4 Nf6 (8.Be2 Qe7+=; 7...a5 8.b5 Nce7 9.Be2+/–). wlittle (2100) – threefingers (1670), net–chess.com, 2005.

3.Nf3 f6 4.e3 d6 5.g3 Bg4 6.Bg2 h4 7.Qc1 hg3 8.hg3 Rh1 9.Bh1 Bh3 10.Nd4 e5 11.Ba8 ed4 12.Bd4 c6 13.b5 c5 14.Bc3 Qe7 15.Bf3 Nd7 16.Qa3 Ne5 17.Be5 Qe5 18.c3 Qf5 19.Bc6 Kf7 20.Qa7 Be7 21.Qb7 Qd3 22.Bg2 Be6 23.Bf1 Qc2 24.Na3 Qb2 25.Rd1 Qa3 26.Qb6 Qa2 27.Qa6 Qb2 28.b6 Bb3 29.Ra1 d5 30.b7 Bc4 31.Bc4 dc4 32.Qc4 Kg6 33.Qa6 Bd6 34.Qd3 Kh6 35.Rb1 Qa2 36.b8Q 1–0. rryy44 – dabrox, kurnik, 2012.

2.Bb2 c6

3.d3 a5 4.ba5 Qa5 5.Bc3 Qb6 6.Nd2 Nf6 7.Ngf3 Qc5 8.Bd4 Qd5 9.e4 Qe6 10.Be2 d6 11.0–0 Nfd7 12.Bb2 Rg8 13.h3 g5 14.Ng5 Rg5 15.Nf3 Rg8 16.Nh2 Nf6 17.Kh1 Nbd7 18.Bf3 h4 19.Ng4 Rb8 20.Bf6 ef6 21.Re1 Be7 22.d4 Nb6 23.Qd3 Qd7 24.c3 Qc7 25.Nh6 Rh8 26.Nf5 Be6 27.Be2 Na4 28.Reb1 b5 29.Bg4 c5 30.d5 Bd7 31.Ng7 Kd8 32.Qf3 Rg8 33.Nf5 Rg4 34.hg4 h3 35.gh3 Kc8 36.Kg2 Bf8 37.Rb3 Kb7 38.Rab1 Ka8 39.Qd3 c4 40.Qc2 cb3 41.ab3 Nc3 42.Rc1 b4 43.Nd4 Qb6 44.Ra1 Kb7 45.Qd2 Bg7 46.Nf5 Bf5 47.gf5 Ne4 48.Qe3 Qe3 49.fe3 Ng5 50.Kg3 Ne4 51.Kf3 Nc3 52.h4 Re8 53.h5 Bh6 54.e4 Ne4 55.Re1 Ng5 56.Kf2 Nh3 57.Kf1 Re1 58.Ke1 Nf4 59.Kf2 1–0. linakip – playok117, kurnik, 2012.

3.e3 a5 4.b5 cb5 5.Bb5 Nc6 6.Nf3 Qb6 7.a4 Na7 8.Bd4 Qg6 9.Bf1 e6 10.g3 Nc6 11.Nh4 Qe4 12.Bg2 Qh7 13.Bb2 Nb4 14.d3 d5 15.Nc3 Nc6 16.Nb5 Bb4 17.c3 Nge7 18.cb4 Nb4 19.Nd6 Kd7 20.Nf7 Nd3 21.Kf1 Nb2 22.Nh8 Nd1 23.Rd1 Qh8 24.Bh3 Qd8 25.Ng6 Qb6 26.Ne5 Ke8 27.Kg2 Bd7 28.Nd7 Kd7 29.e4 d4 30.Rd3 Nc6 31.e5 Ne5 32.Rd2 Qc6 33.Kg1 Nf3 34.Kf1 Nd2 35.Ke2 Qc2 36.Rc1 d3 37.Ke3 Qc1 38.Be6 Ke6 39.f4 Qe1 40.Kd3 Rd8 0–1. karoo54 – hajro56, kurnik, 2012.

3.Nf3 b6 4.g3 Bb7 5.Bg2 Qc7 6.0–0 Na6 7.a3 0–0–0 8.d3 Nf6 9.Nbd2 g5 10.Ng5 Rg8 11.h4 Nd5 12.c4 f6 13.Nf7 Re8 14.cd5 cd5 15.e4 Rg7 16.Rc1 Bc6 17.ed5 Rf7 18.dc6 Kb8 19.cd7 Qd7 20.Nc4 e5 21.b5 Nc5 22.a4 Rd8 23.Bc6 Qc7 24.d4 ed4 25.Bd4 Ne6 26.Qf3 Nd4 27.Qg2 Ne2 28.Kh1 Nc1 29.Rc1 Bc5 30.Ba8 f5 31.Bf3 f4 32.Nb2 fg3 33.fg3 Rdf8 34.Rf1 Rg8 35.Nd3 Rg3 36.Qe2 Rh3 37.Kg2 Qg3 0–1. giorgo – grzegorz102, playok.com, 2012.

2.Bb2 Nc6

3.b5 Na5 4.g3 e6 5.Bg2 Qg5 6.Bc3 Qb5 7.Na3 Qa4 8.Qc1 Nc6 9.Bc6 bc6 10.Nf3 Ba3 11.Qb1 f6 12.0–0 Ne7 13.Nd4 Nd5 14.Qb3 Qb3 15.ab3 Nc3 16.dc3 Bc5 17.Nf3 Bb7 18.b4 Bb6 19.Nh4 Kf7 20.c4 c5 21.b5 Be4 22.Rad1 Rhd8 23.c3 Ba5 24.Rc1 Bb6 25.f3 Bh7 26.e4 a6 27.ba6 Ra6 28.Ng2 Ra2 29.Ne3 g5 30.h3 c6 31.Rb1 Ba5 32.Rfc1 d5 33.Rb7 Kg6 34.cd5 ed5 35.ed5 cd5 36.Rb5 Ra3 37.Rc5 d4 38.Nd5 dc3 39.Nc3 Bc3 40.R1c3 Rc3 41.Rc3 Rd2 42.Rc6 Bg8 43.g4 h4 44.Rc3 Bd5 45.Kf1 Rd1 46.Ke2 Rh1 47.Rd3 Ba8 48.Ra3 Bc6 49.Rc3 Rh2 50.Ke3 Ba4 51.Ra3 Bc2 52.Rc3 Bb1 53.Rc1 Ba2 54.Ra1 Bf7 55.Kd4 Rh3 56.Rf1 Rh2 57.f4 Rg2 58.f5 Kg7 59.Rc1 Rg4 60.Ke3 Kh6 61.Rc7 Kg7 62.Rc5 Rg3 63.Kf2 g4 64.Kf1 Rf3 65.Kg2 h3 66.Kg1 g3 67.Rc4 Rf2 68.Rg4 Kf8 69.Rg3 Rg2 70.Rg2 hg2 71.Kg2 Ke7 72.Kg3 Kd6 73.Kf4 Kd5 74.Kg4 Ke5 75.Kh4 Kf5 76.Kg3 Kg5 77.Kf3 f5 78.Kg3 f4 79.Kf3 ˝–˝. wk1234 – kolewoko, playok.com, 2012.

3.b5 Nb8 4.e3 a6 5.c4 ab5 6.cb5 b6 7.h3 Bb7 8.Nf3 d6 9.Be2 e5 10.0–0 g6 11.d4 e4 12.Nfd2 d5 13.Nc3 Nf6 14.f3 g5 15.fe4 de4 16.Bc4 Bd5 17.Qb3 Bc4 18.Qc4 g4 19.Nce4 Nd5 20.Rae1 gh3 21.gh3 Rg8 22.Kh2 Bd6 23.Nd6 Qd6 24.Kh1 Qg3 25.Qd5 Qh3 0–1. cogit – macwax4, kurnik, 2012.

2.Bb2 d5

3.d3 e6 4.a3 Nc6 5.g3 Nf6 6.Bg2 Bd7 7.Nd2 Qe7 8.e3 0–0–0 9.Ne2 Rh7 10.c4 dc4 11.Nc4 g5 12.0–0 g4 13.b5 Nb8 14.a4 h4 15.Ba3 Qe8 16.Nd4 e5 17.Nb3 hg3 18.fg3 Be7 19.Nca5 c6 20.bc6 Nc6 21.Be7 Qe7 22.Nc6 Bc6 23.Rc1 Nd5 24.Qg4 Kb8 25.Bd5 Bd5 26.Nc5 Rdh8 27.Nd7 Ka8 28.Rc7 Qb4 29.Rfc1 Bc6 30.Qb4 Rh2 31.R1c6 Rh1 32.Kg2 R8h2 33.Kf3 Rf1 34.Kg4 f5 35.Kg5 f4 36.Rc8# 1–0. Mr.Oldenslo – pieeater, ChessWorld.net, 2012.

3.d4 Bf5 4.e3 =.

3.d4 g6 4.e3 Bg7 (4...Bf5 5.c4=) 5.Nd2 Nc6 (5...h4 6.c4=) 6.b5+= (6.b5 Na5 7.c4+=). sturgav – pieeater, ChessWorld.net, 2011.

3.d4 g6 4.Nf3 Bg7 5.e3 Nc6 6.c3 Bf5 7.Nbd2 Qd7 8.b5 Na5 9.Qa4 Nf6 10.Qa5 0–0 11.Be2 b6 12.Qb4 Ne4 13.Ne4 Be4 14.Nh4 Bf6 15.Nf3 Kg7 16.Nd2 Bg2 17.Rg1 Bh3 18.0–0–0 e6 19.Nb3 Be7 20.Qa4 Bf5 21.Bh5 Qd6 22.f4 Bf6 23.Ba3 Qd8 24.Bf8 Qf8 25.Rde1 Bh4 26.Ref1 Qe7 27.Qa6 f6 28.Qb7 Qa3 29.Kd2 Qa2 30.Kc1 Qc2# 0–1. gordiemac – pieeater, ChessWorld.net, 2011.

3.e3 a6 4.c4 dc4 5.Bc4 e6 6.Nf3 Bb4 7.Bg7 Rh7 8.Bc3 Bc3 9.Nc3 Qf6 10.Bd3 Rg7 11.Rg1 b5 12.Ne4 Qd8 13.Rc1 Qd3 14.Nc5 Qd5 15.Qc2 Qc4 16.Qc4 bc4 17.Rc4 Nd7 18.Ke2 Nc5 19.Rc5 Kd7 20.g3 Kd6 21.Rgc1 Kd7 22.Rc7 Kd8 23.Ne5 Ne7 24.R7c4 a5 25.Nc6 Nc6 26.Rc6 Ba6 27.Ke1 Ke7 28.d4 Kf6 29.h4 Kf5 30.R6c5 Ke4 31.Ra5 f5 32.Rc6 Bb7 33.Re6 Kf3 34.Ree5 Ra5 35.Ra5 Be4 36.a4 Rb7 37.Rb5 Ra7 38.a5 Bd3 39.Rc5 Rb7 40.Kd2 Be4 41.a6 Rb2 42.Kc3 Rf2 43.a7 Ke3 44.Rc8 Kf3 45.a8Q Ba8 46.Ra8 Kg3 47.d5 f4 48.d6 Rf3 49.Kc2 Re3 50.d7 Re2 51.Kd1 f3 52.d8Q Kf2 53.Qd4 Kf1 54.Rg8 f2 55.Qd3 ˝–˝. ourang – cuerudo, kurnik, 2012.

3.e3 Nc6 4.b5 Na5 5.Nf3 b6 6.Be2 e6 7.Ne5 Bb7 8.0–0 f6 9.Nd3 Qd6 10.f4 0–0–0 11.Bh5 Nc4 12.Bc3 Rh6 13.Bf3 g6 14.a4 g5 15.Bb4 Qd7 16.Bf8 Rf8 17.fg5 fg5 18.Bg4 Qd6 19.Rf8 Qf8 20.Be6 Kb8 21.Bh3 Rh3 22.gh3 Qf5 23.Qg4 Qf6 24.Nf4 Nh6 25.d4 Ng4 26.hg4 Ne3 27.Nd2 gf4 28.Re1 Qd4 29.Kh1 Qg7 30.Nf3 Qg4 31.Ne5 d4 32.Nc6 Bc6 33.bc6 Qf3 34.Kg1 Qg2 0–1. thecat74 – likofci, kurnik, 2012.

3.e3 Nc6 4.b5 Nb8 5.c4 Nf6 6.Bf6 ef6 7.h3 Bc5 8.Nc3 Nd7 9.cd5 Qe7 10.a3 Ne5 11.Nf3 Bd7 12.Ne4 0–0–0 13.Qc2 g5 14.Nc5 Nf3 15.gf3 f5 16.e4 fe4 17.fe4 Bf5 18.0–0–0 Bg6 19.Re1 f5 20.Bd3 fe4 21.Be4 Be4 22.Re4 Qf7 23.Ne6 Rde8 24.Rhe1 Qf2 25.Qc7# 1–0. 488 – pieeater, ChessWorld.net, 2012.

3.e3 Nc6 4.Bb5 Bd7 5.Bc6 Bc6 6.Nf3 Nf6 7.d3 Qd7 8.0–0 0–0–0 9.Ne5 Qe6 10.Nc6 Qc6 11.a3 e6 12.Nd2 g5 13.Bf6 Bd6 14.Bh8 Rh8 15.c4 dc4 16.Nc4 f5 17.Nd6 Qd6 18.Rc1 g4 19.g3 h4 20.Qc2 hg3 21.fg3 b6 22.d4 Rh3 23.Qg2 Rh5 24.Rc6 Qd7 25.Rfc1 Qd5 26.Qd5 ed5 27.Rc7 Kb8 28.Rd7 Rh6 29.Rd5 Kb7 30.Rf5 a6 31.a4 Rd6 32.Rf7 Kb8 33.Rcc7 Re6 34.Kf2 a5 35.ba5 ba5 36.Rce7 Rb6 37.Rf8# 1–0. Mr.Oldenslo – pieeater, ChessWorld.net, 2012.

3.e3 e6 4.a3 Nc6 5.c4 Bd7 6.cd5 ed5 7.Be2 Nf6 8.d3 Qe7 9.Nf3 g6 10.0–0 0–0–0 11.Re1 Bh6 12.Nc3 g5 13.Nd5 Qe6 14.Nf6 Rhf8 15.Nd7 Qd7 16.b5 Ne7 17.Bf6 Rde8 18.Bg5 Bg5 19.Ng5 Nf5 20.Bh5 Nh4 21.Bg4 Qg4 22.Qg4 Kb8 23.Qh4 b6 24.Qh5 Rh8 25.Qf7 Ref8 26.Qf8 Rf8 27.Rac1 Kb7 28.Ne6 Rh8 29.Rc7 Kb8 30.d4 Rh5 31.Rec1 Rf5 32.Rc8 Kb7 33.R1c7# 1–0. Darkseid – pieeater, ChessWorld.net, 2012.

3.e3 e6 4.b5 Nf6 5.c4 Bc5 6.d4 Bb4 7.Bc3 Bc3 8.Nc3 Bd7 9.Nf3+= Qe7 10.Bd3 g6 11.Ne5 (11.0–0+–) 11...0–0 12.Bg6?? (better is 12.0–0+/–) 12...Ng4?? (better is 12...fg6 13.Ng6 Qg7 14.Nf8 Qg2+=) 13.Bh5+– Nf2?? (13...Ne5 14.de5 Qb4 15.Qg4 Kh7+–) 14.Kf2 Qh4 15.g3 Qg5 16.Qg4 Qg4 17.Bg4 f6 18.Nd7 Nd7 19.Be6 Kg7 20.Bd7 b6 21.Nd5 Rad8 22.Nc7 Rd7 23.Ne6 Kf7 24.Nf8 Kf8 25.a4 Ke7 26.h4 Ke6 27.h5 Kf7 28.a5 Rc7 29.ab6 ab6 30.h6 Kg8 31.h7! Kh8 32.Ra8 Kg7 33.Rg8 Kf7 34.h8Q Ke6 35.Rh6 Rc4 36.Qf6 Kd5 37.Qe6# (37.Qf5#) 1–0. Darkseid – pieeater, ChessWorld.net, 2011.

3.e3 Bf5 4.Nf3 Nd7 5.Be2 e6 6.0–0 Ngf6 7.a3 Bd6 8.c4 dc4 9.Bc4 h4 10.h3 c6 11.d3 Qc7 12.e4 Bg6 13.Re1 Ne5 14.Ne5 Be5 15.Be5 Qe5 16.Nd2 b5 17.Nf3 Qc7 18.Bb3 Rd8 19.Qc2 Qb6 (Better is 19...Bh5 20.Nh4 Bg4+=) 20.Qc5?? (Better is 20.Ne5+–) 20...Qc5–+ 21.bc5 Nd7 22.d4= e5 23.Ne5 Ne5 24.de5 Rd3 25.Bc2 Rc3 26.Re2 Rc5 27.f4 f6 28.f5 Bh5–/+ 29.Rd2 fe5 30.Bb3 Bf7 31.Bf7= Kf7 32.Rd7 Kf6 33.Ra7 Rd8–/+ 34.Rc7 Rd4 35.Re1 Ra4 36.Re3 Rcc4 37.Kh2 c5 38.Rb3 b4 39.ab4= Rcb4 40.Rc6 Kg5 41.Rc3 Re4–+ 42.R6c5 Kf5 43.Rf3 Rf4 44.Re3 Rae4 45.Rf3 Rf3 46.gf3 Re2 47.Kg1 g5 48.Kf1? Rh2 (49.Kg1 Rh3–+) 0–1. chevin – berto, Live Game Caissa's Web, 2004.

3.e3 Bf5 4.h3 Nd7 5.Nc3 Ngf6 6.d3 e6 7.a3 c6 8.Be2 Bd6 9.Nf3 Bb8 10.Nd4 Bg6 11.0–0 Qc7 12.g3?? (better is 12.f4=) 12...h4–/+ 13.Bg4 hg3 14.f4 Ng4 15.Qg4 Nf6 16.Qg3 Bf5 (better is 16...Qe7!?–/+) 17.Nf5= ef5 18.Kf2 (18.Qg7?? Rg8 19.Qg8 Ng8–+) 18...Nh5 19.Qf3 Qe7 20.Rae1 Qh4 21.Ke2? (better is 21.Kg2+=) 21...Ng3–+ 22.Kd2 Nf1 23.Rf1 Qh3 24.Ne2 Qf3 25.Rf3 Bd6 26.Bg7 Rg8 27.Be5 Kd7 28.Bd6 Kd6 29.Nd4 Rg2 30.Kc3 Rh8 31.Nf5 Kc7 32.d4? Rhh2–+ 33.Kd3 Rc2 34.Ng3 Rhd2# 0–1. cogit – hajro56, kurnik, 2012.

3.e3 f6 4.c4 e5 5.a3 d4 6.ed4 ed4 7.Nf3 Nc6 8.Bd3 g5? (8...Qe7!? 9.Qe2 Bg4=) 9.0–0 g4? (9...Nge7 10.Re1 Bg4 11.Be4+/–) 10.Re1 (better is 10.Bg6 Kd7 11.Re1+–) 10...Nge7?? (10...Kf7 11.Nh4+/–) 11.Nh4 (better is 11.Bg6! Kd7 12.Qe2+–) 11...Kf7 12.b5 Ne5 13.Bc2 d3 14.Bb3 Bh6 15.Be5 fe5= 16.Re5 Kf6 17.Re4 Bg5 18.g3 Bh4 19.gh4 Nf5 20.Nc3 Nh4 21.Qe1?? Nf3–+ 22.Kg2 Ne1 23.Rae1 h4 24.Nd5 Kg6 25.Ne7 Kg7 26.Nd5 c6 27.bc6 bc6 28.Re7 Kg6 29.Nf4 Kg5 30.Ne6 Be6 31.R7e6 Re8 32.Re8?? h3 33.Kf1 Qe8 34.Re8 Re8 35.c5 Kh4 36.Bc4 g3 37.fg3–/+ Kg4 38.Bd3 a5 39.a4 Re5 40.Be2 Kg5 41.d4 Re4 42.Bf3 Rd4 43.Bc6 Rd2 44.Bb5?? Kf5?? 45.c6 Ke4–/+ 46.c7 Kf3?? 47.Ke1 Ke3?? 48.c8Q+– Rd1 49.Kd1 Kf3 (49...Kf3 50.Qf5 Kg2 51.Qf1 Kh2 52.Qf2 Kh1 53.Bc6#; 49...Kd4 50.Qc6 Ke5 51.Bc4 Kf5 52.Qe6 Kg5 53.Bd3 Kh5 54.Qg6#). ourang – waldemarija, kurnik, 2012.

3.e3 Nf6 (--> 1.b4 d5 2.Bb2 Nf6 3.e3 h5).

3.e3 h4 4.c4 Nf6 5.a3 =.

3.Nf3 Nc6 4.a3 Bf5 5.e3 Nf6 6.Bb5 Bd7 7.Nc3 Qc8 8.h3 a6 9.Ba4 e6 10.0–0 Bd6 11.Ne2 e5 12.Bc6 Bc6 13.Ne5 Be5 14.Be5 Qe6 15.Bd4 0–0–0 16.Nf4 Qd7 17.Bf6 gf6 18.Nh5 Rdg8 19.Kh1 d4 20.Nf6 Rh3 21.Kg1 Rg2# 0–1. Spidy – pieeater, ChessWorld.net, 2012.

3.Nf3 Nc6 4.d4 Nf6 5.e3 Bg4 6.Nbd2 Qd7 7.Be2 0–0–0 8.h3 Bf5 9.a3 g6 10.c4 dc4 11.Bc4 Ne4 12.0–0 f6 13.Nb3 g5 14.Bd3 g4 15.hg4 hg4 16.Nc5 Nc5 17.bc5 Bg7 18.Ne1 Rh4 19.f3 Rdh8 20.Bf5 Qf5 21.Kf2 e6 22.a4 Rh2 23.Bc3 gf3 24.Qf3 Qf3 25.Nf3 R2h5 26.a5 e5 27.d5 Nd8 28.c6 bc6 29.dc6 Nc6 30.Rac1 f5 31.a6 e4 32.Bg7 Rg8 33.Rc6 Rg7 34.Ne5 Rgg5 35.Rf6 Rh8 36.Nf7 Rgg8 37.Nh8 Rh8 38.Rf5 Kd7 39.Rd1 Kc8 40.Re5 Rf8 41.Kg1 Rf6 42.Re4 Ra6 43.Re8 Kb7 44.e4 c6 45.Re7 Kb6 46.e5 Black resigned 1–0. Tonyone – pieeater, ChessWorld.net, 2011.

3.Nf3 e6 (--> 1.b4 d5 2.Bb2 e6 3.Nf3 h5).

3.Nf3 Nf6 4.a3 Nbd7 5.Bd4 =.

3.Nf3 h4 4.e3 Nf6 5.c4 (5.Be2 e6=) 5...e6 (5...h3 6.Ne5=) 6.c5 Qd7 (6...b6 7.Bd4=) 7.Ne5 (7.Nc3 h3+=) 7...Qe7 (7...Qd8 8.Be2+=) 8.Bb5 (8.Bd3 h3 9.g3 Nfd7+=) 8...Nc6?? (better is 8...c6 9.Be2 b6+=) 9.Nc6+– (9.Nc6 Qd7 10.Na7+–) 1–0. Wall,Bill – Calvin247, internet, 1999.

3.g3 f5 4.a3 d4 5.Bg2 c6 6.Nf3 d3 7.ed3 h4 8.Nh4 e6 9.Ng6 Rh6 10.Nf8 Qg5 11.Ne6 Be6 12.Nc3 f4 13.Ne4 Qg6 14.0–0 Bg4 15.f3 Bh3 16.g4 Bg4 17.fg4 Nf6 18.Nf6 gf6 19.Rf4 Nd7 20.Qe2 Kf7 21.Re1 1–0. cogit – aninha49, kurnik, 2012.

2.Bb2 d6

3.c4 Nc6 4.b5 Ne5 5.e3 g6 6.f4 e6 7.fe5 d5 8.Nf3 Bg7 9.Bd3 Bd7 10.0–0 Qe7 11.Nd4 0–0–0 12.Qb3 Be5 13.Nc3 Nf6 14.Ba3 Qe8 15.Nc6 Bc6 16.bc6 Qc6 17.cd5 ed5 18.Rac1 Ne4 19.Ne4 Qe8 20.Nc5 b6 21.Ba6 Kb8 22.Bb5 Qf8 23.Na6 Kc8 24.Bf8 Rhf8 25.Rc7 Bc7 26.Rc1 f5 27.Rc7# 1–0. AsceticKingK9 – pieeater, ChessWorld.net, 2012.

3.c4 e5 4.d4 e4 5.e3 Bg4 6.Be2 Be6 7.Nd2 Qg5 8.Ne4 Qg2 9.Bf3 Bg4 10.Bg4 hg4 11.Ng3 Nc6 12.N1e2 Nb4 13.Nf4 Qf3 14.Qa4 Nc6 15.d5 b5 16.Qb5 Rd8 17.Qc6 Rd7 18.Qa8 Ke7 19.Nf5 1–0. zielonoxd – playok117, kurnik, 2012.

3.e3 Bg4 4.Nf3 f5 (4...e5!?=) 5.Be2 Na6 6.b5 Nc5 7.0–0 a6 8.c4 ab5 9.cb5 Ra5 10.Nd4 g6? (better is 10...e5 11.Bc3 Ra8+=) 11.Bg4 fg4 12.Nb3 (better is 12.Nc6 bc6 13.Bh8 cb5 14.Qc2+–) 12...Rb5?? (better is 12...Nb3 13.Qb3 e5+/–) 13.Bh8+– c6 14.d4 Ne4 15.a4 Rb3 16.Qb3 Qb8 17.Qg8 Kd7 18.Qg6 b5 19.Qe4 Qa8 20.Qf5 Kd8 21.Nc3 b4 22.Ne4 d5 23.Nc5 Qa7 24.Ne6 Ke8 25.Qh5 Kd7 26.Nf8 Kc7 27.Ne6 Kb6 28.a5 Kb5 29.Qg4 Qa8 30.Nc7 Kc4 31.Na8 b3 32.Qe2 Kc3 33.Rfc1 Kb4 34.Qb2 c5 35.dc5 d4 36.Qd4 Kb5 37.Qc4 Kc6 38.Qb3 e6 39.Qb6 Kd5 40.Rd1 Ke4 41.Rd4 Kf5 42.Rf4 Kg5 43.Bf6 Kg6 44.Qe6 Kh5 45.Qg4 Kh6 46.Qg7 Kh5 47.g4# 1–0. ariank – illuminium123, kurnik, 2011.

3.e4 Nf6 4.Nc3 e5 5.b5 =.

3.Nf3 Nc6 4.b5 Na5 5.e4 Bd7 6.d4 g6 7.Bc3 b6 8.Bd3 Nf6 (8...Bg7 9.0–0+/– Nf6 10.e5 de5) 9.0–0 (9.e5 Nd5 10.Ba5 (10.0–0 de5) 10...ba5+–) 9...Qc8 (9...Nb7 10.e5 (10.Bb2 c6) 10...Nd5 11.Bd2 de5 12.c4+–; 9...Bg7 10.e5 de5) 10.Re1 (10.e5 Nd5) 10...Qb7 (10...Bg7+/– 1.08) 11.e5 de5?? (better is 11...Nd5+–) 12.de5 (12.Ne5?! Bg4 13.Ng4 hg4+/–; 12.Re5?! Bg4 13.Nbd2 Bg7+/–) 12...Nd5 13.e6 Nc3 14.ed7 Kd7 15.Nc3 Qb8 16.Bf5 Ke8 17.Qd7# 1–0. Raffzahn – pieeater, ChessWorld.net, 2010.

3.Nf3 e5 4.e3 f5 5.d4 e4 6.Nfd2 Nf6 7.Be2 d5 8.c4 c6 (8...Bb4 9.a3 Be7 10.Nc3+=) 9.b5 Be6 10.a4 Bb4 11.cd5 Bd5 12.Nc3 Bc3 13.Bc3 Nbd7 14.Nc4 cb5 15.Nd6 Ke7 16.Nf5 Ke6 (better is 16...Kf7!? 17.ab5 Kg6 18.Nh4 Kh7+/–) 17.Ng7 Kf7 18.Nh5 Qc7 19.Rc1 Qd6 20.Nf6 Nf6 21.ab5 Rh2 22.Rh2 Qh2 23.g3 (better is 23.Bf1!?+–) 23...Qg1+/– 24.Bf1?? Bc4+= 25.Kd2 Qf2 26.Be2 Nd5?? 27.Qf1+– Qf1 28.Rf1 Ke6 29.Bc4 Rc8 30.Bd5 Kd5 31.Rf5 Ke6 32.Re5 Kd6 33.Re4 Rc4 1–0. typ48 – katon111, kurnik, 2012.

3.Nf3 Nf6 4.d4 d5 5.e3 =.

2.Bb2 f6

3.c3 e5 4.d4 e4 5.e3 d5 6.Nd2 Nh6 7.Qh5 Nf7 8.Qd1 Bd6 9.g3 a5 10.Qa4 Nc6 11.b5 Ne7 12.Ba3 Ba3 13.Qa3 c6 14.bc6 Nc6 15.Bb5 Ng5 16.Bc6 bc6 17.Ne2 Nf3 18.Nf3 ef3 19.Nf4 Qb6?? (better is 19...g5 20.Nd3 Bh3+=) 20.Ng6+– Qb5 (20...c5 21.Nh8 Qb5+–) 21.Qe7# 1–0. jackw171 – abrahham, kurnik, 2011.

3.c4 e5= 4.a3 a5 5.b5 c6 6.e3 cb5 7.cb5 b6 (7...d5 8.d4 e4 9.Nc3+=) 8.Nf3 (8.d4 ed4 9.Bd4 Bb7+/–) 8...Bb7 9.Be2 Bf3? (better is 9...g5!?+=) 10.Bf3+– (10.gf3?! g6+/–) 10...d5 11.Nc3 (better is 11.d4 e4 12.Bh5 Ke7 13.Nc3+–) 11...e4? (better is 11...Ne7+/–) 12.Bh5+– Ke7 13.h3 Nc6?? 14.bc6 Rc8 15.Bg4 Rc6 16.0–0 Nh6 17.Be2 f5 18.Bb5 Rg6 19.f4 Ng4 20.hg4 fg4 21.Kf2 g3 22.Ke2 d4 23.Ne4 Re6 24.Ng5 Rd6 25.Bd4 Rh2 26.Kf3 g6 27.Ne4 Re6 28.d3 g5 29.Ng5 Rg6 30.Ne4 Bh6 31.Qb3 Qa8 32.Qc4 Kf8 33.Qc7 Re6 34.Bb6 Rg2 35.Kg2 Bg7 36.Rac1 (36.Rac1+–) 1–0. Fournier,Frederic – FilomenoCorrale, Active, 2007.

3.c4 Nh6 4.Qc2 Nf7 5.e3 d6 6.Nf3 g5 7.Be2 c6 8.0–0 Na6 9.a3 Nc7 10.Nc3 Bg7 11.d4 h4 12.h3 g4+= 13.hg4 Bg4 14.Nh2 Be2=+ 15.Ne2 Qd7 16.Nf4= 0–0–0 17.d5 Rdg8 18.Nf3 Bh6 19.dc6 Qc6 20.Qf5 Kb8+= 21.Ne1?? Bf4–+ 22.Qf4 h3 (23.Qg3 Rg3 24.fg3 Ng5–+) 0–1. StephenHilton (1605) – juanpacio (1680), internet, 2006.

3.c4 Nh6 4.e4 e5 +=.

3.c4 Nh6 4.Nf3 Nf7 5.e4 d6 6.Be2 c6 7.h3 g5 8.d3 Bg7 9.Nbd2 Na6 10.a3 Nc7 11.0–0 Ne6 12.Nb3 Nf4 13.Rc1 Qd7 14.Qd2?? Ne2 15.Qe2=+ g4 16.Nh4 gh3–/+ 17.g3 h2 18.Kh1 Ng5 19.f4= Ne6 20.f5+= Ng5 21.Kh2 b6 22.d4 Bb7 23.d5 0–0–0 24.c5 dc5 25.bc5 cd5? 26.cb6 Kb8 27.ba7 Ka8 28.Nc5 Qd6 29.Qb5?? Bc6+/– 30.Qb6 Rc8 31.a4 Ne4 32.Ne4 de4 33.Ba3 Bh6?? 34.Bd6+– (34...Bc1 35.Rc1 ed6 36.Rc6+–) 1–0. kolokwium – juanpacio (1715), internet, 2006.

3.e3 e5 4.a3 d6 5.Be2 Bf5 6.Bh5 g6 7.Bg4 Qe7 (better is 7...Be4!? 8.Bf3 Bf3 9.Nf3 d5+/–) 8.Bf5+– gf5 9.Nf3 (9.Qf3 Nc6+–) 9...e4 10.Nd4 Nc6 (10...Qg7!? 11.g3 Qd7+/–) 11.Nf5+– Qe6 12.Ng3 (12.Qg4 Kd7 13.f3 ef3 14.Qf3 Kc8+–) 12...0–0–0 13.Qe2 Nh6 14.Nc3 Qg4?? (better is 14...d5+–) 15.Nce4 Qe2 (15...Be7 16.b5 (16.Bf6?! Bf6 17.Nf6 Qg7+–) 16...Ne5 17.f4+–) 16.Ke2 Be7 17.c4 Rhf8 18.d4 d5 19.cd5 Rd5 20.Rac1 Kd7 21.Rhd1 a5 22.Nc3 ab4 23.Nd5 ba3 24.Ne7 Ne7 25.Ba3 Ra8 26.Be7 Ke7 27.Rc7 Kd8 28.Rh7 Ng4 (28...Ng4 29.Rh8 Kc7 30.Ra8 Nh2+–). lican – orydzyki, kurnik, 2012.

3.e3 e5 4.a3 Ne7 5.Be2 Nbc6 (5...h4 6.d4 d6 7.de5 de5 8.Nc3=) 6.d4 ed4 7.b5 Ne5 8.Bd4 d6 9.f4 c5 (9...N5g6 10.Nf3+=) 10.bc6 (10.fe5 cd4 11.ef6 Qa5 12.c3 dc3 13.Bh5 g6 14.Qd6 c2 15.Nd2 Qc3 16.fe7 Qa1 17.Kf2 Bf5 18.Bg6 Bg6 19.Qg6 Kd7 20.Qc2 Be7+/–) 10...N5c6+= 11.Nf3 (11.Bh5 g6 12.Bf3 Nf5+=) 11...Nd4 (11...Nf5 12.Qd3+=) 12.Nd4 Qa5 13.Qd2 Qd2 14.Kd2 g6 15.Nc3 Bd7 16.Ne4+/– Nd5 17.Bc4+– g5?? 18.Bd5 gf4 19.ef4 Ke7 20.Rab1 Bh6 21.Rb7 Bf4 22.Ke2 Rhc8 23.Rf1 Be5 24.Nc6 Rc6 25.Bc6 Rd8 26.Ra7 Ke6 27.Bd7 Rd7 28.Rd7 Kd7 29.Nf6 Kc6 30.Nh5 Bh2 31.g3 Kb5 32.Rh1 Bg3 33.Ng3 Ka4 34.Rh4 Ka3 35.Kd2 d5 36.Kc1 d4 37.Rd4 Ka2 38.Ra4 1–0. Fournier,Frederic (2075) – athena(C) (2080), Active (1/3), 2005.

3.e3 e5 4.Be2 Bb4 5.Bh5 Kf8 6.a3 Be7 7.Nc3 c6 8.Ne4 Nh6 9.h3 d5 10.Ng3 Be6 11.Be2 Nf5 Black prepares the advance d4 12.Nf5 Bf5 13.d3 Qe8 14.e4 (14.Bg4 Bd7=) 14...Be6 (14...de4!? 15.d4 ed4 16.Qd4 Qg6–/+) 15.c4 d4 16.Qb3 b6 17.0–0–0 (17.f4 Nd7=) 17...c5 18.Nf3 Nc6 19.Qb5 Bd7 20.Qa4?? (better is 20.Qb3+=) 20...Na5 21.Qc2 Rh6 22.Rdg1+= g5 23.Ne1 Qg6 24.Qd1 Ba4?? 25.Qa4+– 1–0. cogit – wodnik745, kurnik, 2012.

3.e4 e5 4.a3 a5 +=.

3.e4 e5 4.a3 Ne7 +=.

3.Nf3 c6 4.d3 Qb6 5.a3 a5 6.c3 ab4 7.cb4 c5 8.Bc3 cb4 9.Bb4 Nc6 10.Bc3 e6 11.g3 Qc5 12.Qd2 Qd5 13.Bg2 Qf5 14.0–0 Nge7 15.Nh4 Qb5 16.Qc2 g5 17.Nf3 h4 18.Nbd2 hg3 19.hg3 g4 20.Nd4 Nd4 21.Bd4 Qh5 22.Rfc1 Qh2 23.Kf1 Bh6 24.Rcb1 Bd2 25.Qd2 Nf5 26.Bf6 Qh6 27.Qh6 Rh6 28.Bg5 Rg6 29.Bf4 Nd4 30.Rb4 Nc2 31.Rab1 Nb4 32.ab4 d5 33.b5 Bd7 34.b6 Ke7 35.f3 Rc8 36.Bc7 Bc6 37.f4 Rgg8 38.f5 Ra8 39.fe6 Ke6 40.Bf4 Ra5 41.Kf2 Rga8 42.Ke3 d4 43.Kd4 Bg2 44.Ke3 Ra1 45.Rb5 R8a2 46.Re5 Kd7 47.Kf2 Bc6 48.Rg5 Rb1 49.d4 Rb6 50.Rg4 Rbb2 51.Rg7 Ke6 52.Rg6 Kd5 53.Rg5 Kc4 54.Rc5 Kb4 55.Bd6 Re2 56.Kf1 Kb3 57.Rc6 Rec2 58.Rc2–/+ Kc2 0–1. linakip – mychpl, kurnik, 2012.

3.Nf3 g5 4.h3 (4.e4 e5+=) 4...Bg7 (4...e5 5.a3=) 5.g3 (5.Ng5 e5 6.Nf3 d5+/–) 5...e6 (5...g4 6.Nh4 d5 7.d4=) 6.Bg2 c6 (6...Qe7 7.c4+=) 7.a4 (7.Ng5!? h4 8.g4+/–) 7...d5 8.Nc3 f5 9.Qb1 (9.h4 g4 10.Ng5=) 9...Nh6 (9...e5 10.Na2 Qe7 11.h4=) 10.b5 (10.Nd5 e5 11.Ne3+/–) 10...c5?? (10...e5 11.bc6 bc6 12.h4+=) 11.Na2?? (better is 11.Nd5 ed5 12.Bg7+–) 11...Bb2 12.Qb2 0–0 13.Ne5 Rf6 14.g4 h4 15.Rc1 Nd7 16.d4 c4 17.e3 Ne5 18.de5 Rg6 19.Nb4 fg4+= 20.hg4 Ng4 21.Bf3 Nh6 22.Bh5 Rg7 23.Bf3 g4 24.Be2 h3 25.Kd2 Bd7 26.Rcg1 Qh4–+ 27.Ke1 Rf8 28.Rf1 Nf5 29.c3? Ne3 30.Kd2 Nf1 31.Rf1 Rf2 32.Rf2 Qf2 33.Nc2 h2 34.Qc1 g3 35.Ne3 g2 36.Ng2 Qg2 37.Qh1 Qh1 (37...Qh1 38.b6 Qb1 39.Bf3 Qd3 40.Kc1 Rg1 41.Kb2 Qb1 42.Ka3 Qb3#) 0–1. wk1234 – kakajer, kurnik, 2012.

3.g3 b6 4.Nf3 Nc6 5.a3 Bb7 6.Bg2 e5 7.d3 d5 8.0–0 Qd6 9.Nbd2 0–0–0 10.c4 d4 11.Ne4 Qe6 12.Qc2 f5 13.Neg5 Qf6 14.c5 e4 15.Ne1 Qg5 16.de4 f4 17.Qd2 Be7 18.Qd3 fg3 19.hg3 h4 20.Nf3 Qh6 21.Nh4 Bh4 22.gh4 Qh4 23.Rfd1 Qh2 24.Kf1 Ne5 25.Qg3 Qg3 26.fg3 Rf8 27.Kg1 Nc4 28.Bd4 Ne3 29.Be3 Nf6 30.cb6 ab6 31.e5 Ng4 32.Bf4 Rfg8 33.Bb7 Kb7 34.Kg2 g5 35.Bd2 Rh2 36.Kf3 Ne5 37.Ke4 Nc4 38.Bc3 Re2 39.Kd3 Rg2 40.Kc4 Rg3 41.Rd4 Re8 42.Rad1 Ree3 43.Be1 Rc3 44.Bc3 1–0. giorgo – grzegorz102, playok.com, 2012.

3.e3 d6

4.Bb5 c6 5.Be2 h4 +=.

4.c4 Bg4 5.Nf3 Nh6 6.h3+/– Bd7 7.Be2 Nf7 8.a3 g5 9.0–0 c6 10.Nd4 e5= 11.Nb3 Na6 12.d3 Nc7 13.Bh5+/– Qc8 14.g4 Rh5= 15.gh5 Bh3 16.Re1 Nh6 17.f3 g4 18.N1d2 Qf5=+ 19.fg4 Ng4 20.Qf3+= Qh5 21.Ne4 0–0–0?? 22.Re2?? Bh6 23.Ng3 Qg5 24.Qf5+= Qf5 25.Nf5 Bg5 26.Nd2 d5 27.Nf3 Ne6 28.cd5 cd5 29.Ng5 Ng5=+ 30.Ne7? Kd7–+ 31.Nd5 Rh8 32.Rc1?? Nf3 (33.Kh1 Bf1 34.Rh2 Rh2#) 0–1. kostovist (1670) – juanpacio (1740), internet, 2006.

4.Bc4 d5 5.Be2 g6 6.f4 =.

4.Bc4 Bg4 5.Nf3 Nh6 6.h3+= Bc8 7.Nd4 Nf7 8.Ne6 Qd7 9.c3 c6 10.e4+/– Na6 11.f4 d5 12.ed5 cd5 13.Ba6 ba6 14.Nd4 e5 15.fe5 Ne5 16.d3 a5=+ 17.b5 Bc5 18.a4= a6 19.Na3 Rb8 20.Qb3? Nd3–/+ 21.Kd2 Nf2 22.Rhe1–/+ Ne4 23.Kc2 Bd4 24.cd4 0–0?? 25.Re4+= Qf5 26.Rae1+/– Kh8 27.g4 Qe4? 28.Re4+– de4 29.Qe3 Bb7 30.Kb1 Bd5 31.gh5 Rfc8?! 32.h6 g5 33.Qf2 Rf8 34.Qf5 Rbd8 35.Qg6 Rd7 36.Nc2 Rdf7 37.Ne3 Be6 38.d5 (38...Rg8 39.Bf6 Rf6 40.Qf6 Kh7 41.de6 g4 42.Qf7 Kh8 43.e7 gh3 44.e8Q Re8 45.Qg7#) 1–0. kostovist (1605) – juanpacio (1690), internet, 2006.

4.Be2 g6 5.Nc3 Nh6 6.Nh3 c6 7.Nf4+/– Kf7 8.Bd3 f5 9.Nce2 e5 10.Bc4 Kf6 11.d4+/– Qb6 12.de5 de5 13.0–0 Nd7 14.Nc3 Kg7 15.Ne6 Kh7 16.Na4 Qb4 17.Qd7! Bd7 18.Ng5 (18...Kg7 19.Be5#) 1–0. Garfield85 (1740) – juanpacio (1735), internet, 2006.

2.Bb2 h4

3.a3 a5 4.b5 e6 5.e3 d5 6.Nf3 h3 7.gh3 Nf6 8.h4 Be7 9.c4 c6 10.bc6 bc6 11.cd5 cd5 12.Bb5 Bd7 13.Qe2 0–0 14.Rg1 Nc6 15.Ne5 Ne5 16.Be5 Bb5 17.Qb5 Nd7 18.Bc3 Bf6 19.Qe2 e5 20.h5 d4 21.Bb2 Rb8 22.Ra2 Nc5 23.h6 g6 24.Qc4 Qe7 25.Rg6 Kh7 26.Rf6 Qf6 27.Qc5 Rfc8 28.Qd5 Rc2 29.Qe4 Kh6 30.Qc2 1–0. tyop (1620) – 3mjack (1760), playok.com, 2012.

3.b5 d6 4.c4 h3 5.gh3 e5 6.Bg2 Nf6 7.e3 Be7 8.d4 e4 9.Nc3 Bf5 10.Qb3 Nbd7 11.a4 b6 12.Nge2 Bh3 13.Be4 Ne4 14.Ne4 Bg2 15.Rg1 Be4 16.Ng3 Bg6 17.d5 Rh2 18.Bg7 Nc5 19.Qb2 Qd7 20.Qc3 0–0–0 21.a5 Qg4 22.ab6 cb6 23.Ra7 Rf2 24.Kf2 Ne4 25.Ne4 Qe4 26.Rga1 Bh4 27.Ke2 Bh5 28.Kd2 Qg2 29.Kc1 Qf1 30.Kb2 Qe2 31.Kb3 Bg6 32.Ra8 Kd7 33.R1a7 Ke8 34.Rd8 Kd8 35.Bf6 Ke8 36.Bh4 1–0. popovicigelu – ensar, kurnik, 2012.

3.b5 h3 4.c4 hg2 5.Bg2 Nf6 6.f3 g6 7.e4 Bg7 8.d4 d6 9.Nc3 e5 10.Nge2 Bh3 11.Rg1 Qd7 12.Qb3 Bg2 13.Rg2 Qh3 14.Rf2 Bh6 15.c5 (better is 15.de5 de5 16.Nd5 Nd5 17.cd5=) 15...Be3–/+ 16.Rf1 ed4 17.Nd1? (17.Nd5 Nd5 18.Qd5 Qh2 19.cd6 cd6 20.Bd4 Bd4 21.Qd4 Nd7–/+) 17...dc5?? (better is 17...Qh4 18.Nf2 dc5–+) 18.Ne3–/+ de3?? (better is 18...Qh4 19.Rf2 de3 20.Qe3 Nbd7+=) 19.Bf6+– Nd7 20.Bh8 0–0–0 21.Bc3 f5 22.0–0–0 fe4 23.fe4 c4 24.Qc4 Nb6 25.Rd8 Kd8 26.Qg8 Kd7 27.Rd1 Ke7 28.Qg7 Ke6 29.Nf4# (29.Qf6#) 1–0. captainevans – killik111, kurnik, 2012.

3.c4 Nf6 4.e3 a5 5.b5 a4 6.Nf3 e6 7.Be2 a3 8.Bc3 b6 9.0–0 Bb7 10.Qb3 h3 11.g3 g5 12.d3 g4 13.Ne5 Rg8 14.Nd2 c5 15.d4 Qc7 16.Qd1 Bg2 17.Re1 Qb7 18.Ng4 Ng4 19.Bg4 Rg4 20.Qg4 d6 21.e4 Nd7 22.d5 e5 23.Nf1 Nf6 24.Qf5 Ke7 25.Rac1 Ra4 26.Ne3 Bh6 27.Rc2 Be3 28.Re3 Rc4 29.Ree2 Re4 30.Qg5 Qd5 31.Rcd2 Qc4 32.Rd6 Kd6 33.Qf6 Qe6 34.Rd2 Rd4 35.Qe6 Ke6 36.Bd4 ed4 37.f4 Kd5 38.Kf2 c4 39.g4 c3 40.Rd1 Be4 41.Ke1 d3 42.Rc1 Kd4 43.Kd1 Bf3 44.Ke1 d2 45.Kf2 dc1Q 46.Kg3 Bg4 47.Kh4 Qf1 48.Kg5 Qg2 49.f5 Qh2 50.f6 Qa2 51.Kf4 Be6 52.Kg3 Ke5 53.Kf3 Kf6 0–1. druhynejhorsi (1810) – raymar (1965), kurnik, 2012.

3.c4 h3 4.Nh3 d6 5.Nf4 c6 6.b5 cb5 7.cb5 Bf5 8.e3 Qa5 9.Nc3 Nd7 10.a4 Qb6 11.d4 a6 12.Ncd5 Qa5 13.Bc3 Qd8 14.Rc1 ab5 15.Bb5 Rc8 16.0–0 f6 17.Ba5 Rc1 18.Nc7 Kf7 19.Qc1 g5 20.Qc4 Kg7 21.Nfe6 Be6 22.Ne6 Kg6 23.Bd8 Bh6 24.Ba5 Nb8 25.Qd3 f5 26.e4 f4 27.e5 Kf7 28.Nc7 Nc6 29.Bc4 Kf8 30.Qg6 d5 31.Bd5 Ne5 32.Ne6 1–0. thecat74 – aaaakotkidwa, kurnik, 2012.

3.e3 d6 4.Ne2 a6 5.Nf4 f6 6.Be2 Bf5 7.Bh5 Kd7 8.Bg4 e6 9.Bf5 ef5 10.0–0 Nc6 11.a3 Nge7 12.c4 Kc8 13.Qc2 g5 14.Nd5 Nd5 15.Qf5 Qd7 16.Qd5 Bg7 17.b5 ab5 18.cb5 Na5 19.Rc1 Kd8 20.Bc3 Ra7 21.b6 cb6 22.Bd4 Ra6 23.Bb6 Rb6 24.Qa5 Ke7 25.Qb6 f5 26.Nc3 Rc8 27.Nd5 Ke6 28.Nc7 Rc7 29.Rc7 Qa4 30.Rf1 Be5 31.Qb7 Bf6 32.Qc8 1–0. 56ctx56 – stankonar, kurnik, 2012.

3.e3 d6 4.Nf3 e5 5.d4 f6 6.c4 g5 7.Bd3 g4 8.Bg6 Ke7 9.Nfd2 Rh6 10.Qc2 Be6 11.0–0 Bf7 12.Bf5 Be6 13.f4 Bf5 14.Qf5 Qd7 15.Qe4 f5 16.Qb7 Qc6 17.Qc6 Nc6 18.b5 Nb4 19.Na3 e4 20.Bc3 Nd3 21.Ba5 Kd7 22.Rab1 g3 23.h3 Nf2 24.Nc2 Bg7 25.Nb4 Ng4 26.Rb3 N4f6 27.Nc6 Ne7 28.Ne7 Ke7 29.Bc7 Nd7 30.Rc1 Rhh8 31.c5 d5 32.a4 Rhc8 33.Ba5 Rab8 34.Bb4 Nf8 35.c6 Kf7 36.Bd6 Rb6 37.a5 Rb7 38.Rcb1 1–0. karoo54 – hajro56, kurnik, 2012.

3.e3 e6 4.c4 d5 5.c5 Nf6 6.d4 Nc6 7.a3 Be7 8.Nf3 h3 9.g3 0–0 10.Bd3 Ne4 11.Nbd2 f5 12.Qc2 Bf6 13.Nb3 (13.Ne4 fe4 (worse is 13...de4 14.Bc4+=) 14.Be4 de4 15.Qe4 Qd5–+) 13...Qe7 14.b5 Nd8 15.Ne5 Nf7? (better is 15...Be5 16.de5 c6+=) 16.Ng6+– Qe8 17.Nf8 Qf8 18.f3 Neg5 19.0–0 Bd7 20.a4 g6 21.Rf2 e5 22.de5 Ne5 23.Be2 Ne6 24.Nd4?? Qh6? 25.g4?? Qe3= 26.Ne6 Be6 27.Rd1?? Kg7?? 28.g5 Bg5?? 29.Bd4 Qf4+= 30.Qc3 Bf6 31.Re1?? c6?? 32.Bf1?? Nf3?? 33.Qf3+/– Qf3? 34.Rf3?? Bd4–+ 35.Kh1 Kf6 36.Rc1 g5 37.Bh3 g4 38.Bg4+= Kg5 39.Bh3 Rh8 40.Bg2 Be5?? 41.h3?? d4 42.bc6 bc6 43.Re1 Kf6 44.Rd3 Bd5 45.Bd5+/– cd5 46.c6 Rc8 47.Rc1 Ke6 48.Rb3 d3 49.Rd3+/– Kd6 50.Rb3 d4 51.Rb7 Rc6= 52.Rc6 Kc6 53.Ra7 d3 (53...d3 54.Ra6 Kc5–/+) 0–1. lendzior (1695) – 3mjack (1795), kurnik, 2012.

3.e3 e6 4.Qf3 d5 5.Bd3 a6 6.Qg4 Nf6 7.Qh3 e5 8.Bf5 Bf5 9.Qf5 Rh5 10.Qf3 Rg5 11.Nh3 e4 12.Qe2 Rg2 13.d3 Bb4 14.Nc3 Qd6 15.0–0–0 Rh2 16.Rh2 Qh2 17.Nf4 c6 18.de4 Bc3 19.Bc3 Ne4 20.Bg7 Qf2 21.Qf2 Nf2 22.Rf1 Ne4 23.Rh1 Nd7 24.Rh4 0–0–0 25.Nd3 f6 26.Rf4 1–0. konradelpre – aleksandras19, kurnik, 2012.

3.e3 h3 4.gh3 d6 5.Nc3 c6 6.Nf3 Qb6 7.a3 Bh3 8.Bh3 Rh3 9.Ng5 Rh8 10.Qf3 Nf6 11.Nce4 Nbd7 12.Bf6 gf6 13.Nh3 Bg7 14.Nf4 f5 15.Nc3 Bc3 16.dc3 Rc8 17.0–0–0 c5 18.Nd5 Qc6 19.Qf5 Qa4 20.Kb2 Rc6 21.Qd3 Ne5 22.Qe4 a5 23.f4 ab4 24.cb4 Nd7 25.Qe7 1–0. horacyad2010 – 69lesbijka, kurnik, 2012.

3.e3 h3 4.Nh3 d6 5.Be2 Nf6 6.0–0 (6.Bf6 gf6 7.Bg4 f5+=) 6...c6 (6...Bh3 7.gh3 d5 8.c4=) 7.c4 (7.Ng5!?+/–) 7...Qb6 8.a3 a5 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Be6?? (11...Bh3 12.gh3 e5 13.d4=) 12.Nc3?? White plans b5 (12.Ng5 Na6 13.Ne6 fe6+–) 12...c5? (12...Bh3 13.gh3 e6 14.b5=) 13.b5 (13.Nf4 Qb4 14.Qa2 Qb6+–) 13...Nc6? (better is 13...Bh3 14.gh3 e6+=) 14.Nf4+– Ne5 15.Ne6 fe6 16.f4 Ned7 17.Bf3 d5 18.Bb2 dc4 19.Qc4 Rh4 20.Ra1 Kf7 21.Ne4 Ne4 22.Be4 Qd6 23.Bc3 g5 24.f5 Qh2 25.Kf2 Rg4 26.Qe6 Ke8 27.Ra8 Nb8 28.Bb7 Qg3 29.Kf1 Qc7 30.Bc6 Kd8 31.Be5 Qe5 32.Qe5 Rc4 33.Qb8 1–0. elsh1403 – 090909090, kurnik, 2011.

3.e4 e6 4.a3 =.

3.e4 e6 4.Nf3 =.

3.e4 Nf6 4.e5 Nd5 5.b5 c5 6.c4 Nf4 7.g3 Nd3?? 8.Bd3+– d5 9.cd5 Qd5 10.Qf3 Qf3 11.Nf3 hg3 12.fg3 Bg4 13.Be2 Bh3 14.Bf1 Bg4 15.Bg2 e6 16.0–0 Nd7 17.d4 cd4 18.Bd4 Bc5 19.Bc5 Nc5 20.Nbd2 0–0 21.Ne4 Ne4+= 22.Nh4 Nd2 23.Rf2+/– Nc4 24.a4 Rfd8 25.h3+= Bf5 (26.Nf5 ef5+/–; 25...Bd1 26.Bb7 Rab8 27.Bf3=). sculp – EastCoastAustin, Live Game Caissa's Web, 2006.

3.e4 h3 4.g4 a5 5.b5 c6 6.a4 d5=+ 7.Bh3 de4 8.Be5? Nd7–/+ 9.Bg3 Qb6 10.g5= cb5 11.Bd7 Bd7–/+ 12.ab5 Bb5 13.Qg4? e6 14.Qe4?? Bc6 15.Qd3 Qb2 16.Qb3 Qc1 17.Ke2 Bh1 18.Qb7 Bb7 19.Ra5 0–0–0 20.Rc5 Kd7 21.Rc3 Qb1 22.Rd3 Ke8 23.Rd8 Kd8 24.Nf3 Ba6 25.Ke3 Qc2 26.Ne5 Bc5 27.Kf3 Bb7 28.Kg4 Qf5# 0–1. riverborne – mareld, Live Game Caissa's Web, 2006.

3.e4 h3 4.Nh3 d6 5.Nf4 c6 6.c4 Qb6 7.a3 Nf6 8.e5 de5 9.Be5 Ne4 10.Qe2 f5 11.c5 Qd8 12.d4 Nd7 13.Nd2 Ne5 14.de5 Nc3 15.Qd3 Qd3 16.Bd3 g5 17.Ne2 Na4 18.Bc2 b5 19.Nd4 Bd7 20.Bf5 Nc3 21.Bd7 Kd7 22.0–0 e6 23.f4 gf4 24.Rf4 Bh6 25.Rf7 Kc8 26.N2f3 Be3 27.Kh1 Ne4 28.g4 Nf2 29.Kg2 Ng4 30.Ne6 Ne5 31.Ne5 Bd4 32.Rc7 Kb8 33.Nc6 1–0. horacyad2010 – 69lesbijka, kurnik, 2012.

3.Nf3 b6 4.Nc3+= Bb7 5.e3 e6 6.b5 g5 7.Ne4+= Rh7 8.Nfg5+/– Be4 9.Ne4 f5 10.Nc3+– Bg7 11.e4 fe4 12.Qg4 Qe7?? 13.Qg6+– Kd8 14.Qh7 Nf6 15.Qh4 Nd5 16.Qe4 Bc3 17.Bc3 c6 18.Bd4 c5 19.Bb2 a6 20.c4 Kc7 21.cd5 ab5 22.d6! Qd6 23.Be5 Qe5 24.Qe5 Kb7 25.Bb5 Nc6 26.Qd6 Rd8 27.Bc6 dc6 28.Qd8 b5 29.a4 e5 30.a5 c4 31.a6 Ka7 32.Qc7 Ka8 33.Qb7# 1–0. pereira – opponent, internet, 2009.

3.Nf3 d6 4.e3 Bd7 5.Be2 Qc8 6.0–0 Nf6 7.d3 Nc6 8.a3 a6 9.Nbd2 Ng4 10.h3 Nf6 11.c4 Bh3 12.gh3 Qh3 13.Ng5 Qd7 14.Nde4 b5 15.Nf6 gf6 16.Ne4 Qh3 17.Bg4?? (better is 17.Bf6 Rg8 18.Bg5+/–) 17...Rg8–+ 18.f3 f5 19.Ng5?? (19.Nf2 Qg3 20.Kh1 fg4 21.Ng4 Qh3 22.Kg1–+) 19...Qg3 (better is 19...Rg5 20.Qc1 fg4–+) 20.Kh1 h3 21.Rg1= Qh4 22.Nh3?? fg4–+ 23.fg4?? Qh3# 0–1. giorgo – iwaliwczerep, kurnik, 2012.

3.Nf3 Nf6 4.Nc3 d5 =.

3.Nf3 Nf6 4.e3 h3 5.gh3 d5 6.h4 Bg4 7.Bf6 ef6 8.Be2 Nc6 9.a3 Qd7 10.h3 Bh3 11.b5 Ne5 12.Ne5 fe5 13.c4 Rh4 14.Qb3 d4 15.ed4 ed4 16.d3 0–0–0 17.Nd2 Re8 18.Kd1 Rf4 19.f3 Re3 20.Ne4? Bg2 21.Rg1? Bf3 22.Bf3 Rff3 23.Ra2 Rd3 24.Qd3 Rd3 25.Kc2 Re3 26.Raa1 d3 27.Kc3 d2 28.Kc2 Qd3 29.Kb2 Qb3 0–1. mihai740609 – backlin, kurnik, 2011.

3.Nf3 Nf6 4.Bf6 ef6 5.b5 b6 6.h3 Bb7 7.d3 Qe7 8.e4 Nc6?? 9.Nbd2?? Qb4?? 10.c4?? Qc3?? 11.Rc1 Qa3 12.Qb3?? Qb3 13.ab3= Bc5?? 14.Be2?? Nd4= 15.Nd4 Bd4 16.Nf3 Be5 17.d4 Bf4=+ 18.Ra1 Be4 19.0–0 0–0 20.Ne1 Bd2 21.f3 Bb7 22.Nd3 Bc3 23.Rad1 Bd4 24.Kh1 c5 25.Nf4 Be5 26.Nd3 Bg3 27.Rc1 Rfe8 28.Bd1 Re3 29.Nf2 Rae8 30.Rc2 Re1 31.Kg1 Bf2 32.Kf2 R1e7 33.Re2 Re2 34.Be2 a6 35.Ra1 ab5–+ 36.Ra7 Bc8 37.cb5 Kf8 38.Ra3 Re7?? 39.Bd3?? d6 40.Ra2? Be6–+ (41.Ra4 g5–+) 0–1. sculp – EastCoastAustin, Live Game Caissa's Web, 2006.

3.Nf3 h3 4.g3 d6 5.a3 c6 6.d3 a5 7.c3 ab4 8.cb4 b5 9.Nbd2 Bg4 10.Qc2 Qb6 11.Bd4 Qc7 12.Qb2 e5 13.Be3 f6 14.Ne4 Ne7 15.0–0–0? (better is 15.Bd2!?+=) 15...Nd5 16.Bd2 Nd7 17.Nc3 Rc8 18.Kb1 Be6 19.Rc1 c5 20.Nd5 Bd5 21.e4 Be6 Black prepares c4 22.Nh4 c4 23.dc4 bc4 24.Bc3 Bf7 25.Bh3 g6 26.Bd7 Kd7 27.Nf3 Bh6 28.Rc2 Qb7 29.a4?? Qe4–+ 30.Ne5 fe5 31.Re1 Qa8 32.Bd2 Qa4 33.Bh6 Rh6 34.h4 c3! 35.Rc3 Rc3 36.Qc3 Qa2 37.Kc1 Qf2 38.Rd1 Qa2 39.b5 Qc4 40.Rd2 Qc3 (40...Qc3 41.Rc2 Qg3–+) 0–1. giorgo – aaaakotkidwa, kurnik, 2012.

3.h3 a5 4.ba5 Ra5 5.c4 Rg5 6.Nf3 Rg6 7.d4 f6 8.Qd3 Kf7 9.Nbd2 e6 10.e4 Bb4 11.Be2 Nh6? (better is 11...Rg2 12.Ne5 fe5 13.Qf3 Qf6 14.Qg2 ed4=) 12.Nh4+– Rg5 13.d5 Na6? (better is 13...e5+–) 14.f4 Nc5 15.Qf3?? (better is 15.Qe3 Ng8 16.fg5 Rh4 17.0–0 Bd2 18.Qd2+– (18.Qc5?! Re4 19.de6 Re6+–)) 15...Bd2= 16.Kd2 Rg6?? 17.f5 ef5?? 18.ef5 Rg5 19.g4 d6 20.Qe3 Re8 21.Qa3 Qe7 22.Rae1 Qe4? 23.Bd3 Qf4+= 24.Kd1 Re3?? 25.Re3+– Qe3 26.Qc3?? Qd3 27.Qd3 Nd3 28.Bd4 c6?? 29.Kd2+= Nf4 30.Nf3 Nh3!–+ 31.Ng5 Ng5 32.Be3 Ng4 33.dc6? bc6 34.Bg5 fg5 35.Rf1 Kf6 36.Kc3 Bf5 37.Rd1 Ne3 38.Rd6 Ke5 39.Rd8? Be4 40.Kb4 Nc2 41.Kc5 Ne3 42.a4?? Kf4?? 43.a5= Bf5?? 44.a6+– g4 45.a7 g3 46.a8Q g2 47.Qb8 Kg4 48.Rd4 (48.Rd4 Kf3 49.Qf4 Ke2 50.Qg3+–) 1–0. sagonek – trix21, kurnik, 2011.

3.h3 a5 4.b5 a4 5.a3 d5 6.Nf3 Nf6 7.e3 Nbd7 8.Be2 c6 9.c4 dc4 10.Bc4 cb5 (10...Nb6!? 11.Be2 cb5 12.Bb5 Bd7 13.Bd7 Nfd7+=) 11.Bb5+/– Qb6 12.Nc3 e6 13.Qc2 Be7 14.Nd4 (14.0–0 Kf8+/–) 14...0–0 15.Na4 Qa7 16.Nc3 Nc5 17.0–0 b6 (17...Bd7 18.Rfc1+/–) 18.Be2 (18.Nc6!? Qc7 19.d4+–) 18...Bb7+/– 19.Ncb5 Qb8 20.Nf3 Rd8 21.d4 Be4 22.Qd1 Na4 23.Qb3?? Nd5?? 24.Nd2 Nb2 25.Ne4+– Na4 26.Bf3 Ra5 27.Nec3 Ndc3 28.Nc3 Nc3 29.Qc3 Rc8 30.Qb3 Qd6 31.a4 Rca8? 32.Rfb1 Rb8 33.Qc4 g6 34.Rb5+– Rb5 35.ab5 Kg7 36.Qc6 Qb4 37.Ra7?? Bd6?? 38.Be2+– Qe1 39.Bf1 Bh2 40.Kh2 Qf1 41.Qf3 Rf8 0–1. mila77 (1790) – grigorjjii (1930), kurnik, 2012.

3.h3 a5 4.b5 a4 5.c4 c6 6.a3 d5 7.e3 Nf6 8.Nc3 e6 9.Na4 Bd6 10.Nc3 0–0 11.d4 e5 12.de5 Be5 13.Nf3 Bc7? 14.cd5+– cd5 15.Be2 Re8 16.0–0 Bf5 17.a4 Ba5 18.Nd4 Bd7 19.Qb3 Be6 20.Bf3 Nbd7 21.Nd5?? Nc5?? 22.Nf6 Qf6 23.Ne6 Qe6? 24.Qe6+– Re6 25.Bd4 Bb6 26.Bc5 Bc5 27.Bb7 Ra5 28.Ba6 Rea6 29.ba6 Ra6 30.Rfc1 Be7 31.Rc7 Bf6 32.Rb7 Ba1–/+ 33.g3? Be5 34.gh4 Ra4 35.Kg2 Rh4 36.f4 Rg4?? 37.Kf3 Rh4= 38.fe5 Rh3 39.Ke4 Rh6 40.Kd5 Re6 41.Rb4 g6 42.Rb8 Kg7 43.Rd8 Ra6 44.Rd6 Ra5 45.Ke4 Ra4 46.Kf3 Ra5 47.Kf4 Ra4 48.e4 Ra1 49.Rd7 Kf8 50.Rb7 Rf1 51.Kg4 Re1 52.Kf4 Rf1 53.Kg4 Re1 54.Kf4 Rf1 ˝–˝. carocan (1765) – ineehuu (1800), kurnik, 2012.

3.h3 a5 4.b5 c5 5.c4 b6 (5...Nf6 6.Nf3+=) 6.e3 Bb7 7.Nf3 e6 8.Nc3 d6 9.Na4 Nd7 10.Be2 f5 11.Qc2 Ngf6 12.d4 g6 13.dc5 dc5 14.0–0–0 Qc7?? (14...Be4 15.Qc3 Rh6 16.Qf6 Qf6 17.Bf6 Nf6 18.Ng5 Bg2 19.Rh2+/–) 15.Ng5 (better is 15.Rd7 Nd7 16.Bh8+–) 15...Ke7 16.Bf3 Bh6 17.Bb7 Qb7 18.f4 Bg5 19.fg5+/– Ne4 20.Bh8 Rh8 21.Qb2 Rh5?? 22.Qg7+– Kd8 23.Rd7! (23.Rd7 Qd7 24.Rd1+–) 1–0. orangutanb4 (2055) – antique (1905), kurnik, 2011.

3.h3 d5 4.e3 Nc6 5.a3 e5 6.b5 Nb8 7.Be5 Nf6 8.Bb2 Bd6 9.Nf3 Bf5 10.Be2 Be4 11.d3 Bf5 12.Nbd2 Nbd7 13.0–0 Nc5 14.Nd4 Be5 15.Nf5 Bb2 16.Rb1 Ba3 17.Ng7 Kf8 18.Nf5 Qd7 19.Nd4 Ne6 20.Ne6 Qe6 21.Nf3 Bd6 22.c4 Rg8 23.Kh1 Rh8 24.Nd4 Qe5 25.Nf3 Qe6 26.cd5 Nd5 27.Qb3 b6 28.e4 Nf4 29.Qe6 fe6 30.Rfe1 Ne2 31.Re2 a6 32.ba6 Ra6 33.e5 Be7 34.Nd4 Ra4 35.Ne6 Kf7 36.Nc7 Rb4 37.Rb4 Bb4 38.Nd5 Bc5 39.e6 Ke8 40.e7 Rh5 41.Nf6 Kf7 42.e8Q Kf6 43.Qh5 Bf2 44.Rf2 1–0. amator111 (1635) – rrokoteli, kurnik, 2012.

3.h3 d5 4.e3 f6 5.c4+/– e5 6.cd5 Qd5 (6...Ne7 7.Qa4 c6 8.dc6 Nec6 9.Nf3+/–) 7.b5 (7.Nc3 Qf7 8.b5 Be6+/–) 7...c6 (7...Bf5!? 8.Nc3 Qe6+/–) 8.Nc3+– Qc5 (8...Qe6 9.Nf3 Ne7 10.Rc1+–) 9.Nf3 a6 (9...Ne7 10.Qb3 Nf5 11.Bd3+–) 10.Na4 Qb4 11.Bc3 Qa3 12.Nb6 Be6?? (12...ab5 13.Qc2 Ne7 14.Na8 Nd5+–) 13.Na8 Nd7 (13...Bd6 14.bc6 Nc6+–) 14.Nc7 (14.bc6 bc6 15.Nc7 Kf7 16.Ne6 Ke6 17.Bc4 Ke7+–) 14...Ke7 15.Ne6 Ke6 16.bc6 bc6 17.Bc4 Ke7 (17...Kd6 18.Rb1 Kc7 19.Rb3+–) 18.Rb1 Nc5 (18...Kd8 19.Qc2 a5+–) 19.Bb4 Qa4 20.Bc5 Kd7 (20...Kd8 21.Qa4 Bc5 22.Qa5 Bb6 23.Qb6 Kd7 24.Qb8 c5 25.Rb7 Kc6 26.Qc7) 21.Rb7 Kc8 22.Qa4 Kb7 23.Qa6 Kc7 24.Qa7 Kd8 25.Bb6 Ke8 (25...Kc8 26.Be6) 26.Qf7 1–0. pierred – anony, internet, 2015.

3.h3 d5 4.Nf3 Bf5 5.e3 e6 6.b5 (6.Nd4 Nf6+=) 6...c5 7.Be2 (7.Bd3 Bd3 8.cd3 Nf6=) 7...Nf6 8.0–0 Nbd7 9.d3 a6 (9...Bd6 10.Nbd2=) 10.a4 (10.Nc3 Be7+=) 10...Bd6 11.c4 (11.Nc3 Qc7+=) 11...Qe7 (11...dc4 12.dc4 Qc7 13.Qb3=) 12.Nbd2 Bg6 (12...Kf8 13.Re1 Rh5 14.cd5 ed5 15.Nd4+/–) 13.Qb3 a5 14.Rfe1 (better is 14.d4+=) 14...b6? (better is 14...Kf8!?+=) 15.cd5+– ed5 16.e4 de4 (16...c4!? 17.Qa2 cd3 18.Bd3 de4+/–) 17.de4+– Ne5? (better is 17...Kf8 18.e5! Ne5 19.Ne5 Be5 20.Be5 Qe5+–) 18.Be5 Be5 19.Ne5 Qe5 20.Nc4 Qc7 (20...Qg5 21.e5 Nh5 22.Bh5 Bh5 23.Nb6+–) 21.e5 Nh5 (21...Nh7 22.Bg4 0–0 23.f4+–) 22.Nd6 (22.Bg4!? Kf8+–) 22...Kf8 23.Qf3 (23.Rad1 Rd8 24.Bc4 Rd7+–) 23...Rb8 (23...Rd8 24.Rad1 Kg8 25.Bc4+–) 24.Rad1 Rd8 (24...Bc2 25.Rd2 Bg6 26.Bc4+–) 25.Qc6 Qb8 (25...Qe7 26.Qb6 Rd7 27.Bg4+–) 26.Nb7 (better is 26.Bc4!? Kg8 27.e6 Kh7+–) 26...Rc8 (26...Rd4 27.Qb6 Kg8 28.Rd4 cd4 29.Bf3+–) 27.Qb6 Kg8 (27...Rh6 28.Bc4 Bf5 29.Rd6+–) 28.Bg4 Kh7 (28...Re8 29.e6 fe6 30.Re6+–) 29.Bc8 Rc8 30.Rd6 c4 (30...Nf4 31.Na5 Qb6 32.Rb6+–) 31.Na5 Qa8 (31...Qb6 32.Rb6 Bc2 33.Rc6 Rc6 34.bc6 Ba4 35.Re4 Bc6 36.Nc6+–) 32.Qa6 (32.Nc6 Qa4 33.Rg6 fg6+–) 32...c3 (32...Nf4 33.Qa8 Ra8 34.b6+–) 33.Qa8 Ra8 34.Ra6 (better is 34.b6 Bf5 35.b7 Rb8+–) 34...Re8 (34...Rd8 35.Nb3 c2 36.Rd6+–) 35.Nc6 c2 36.Nd4 (better is 36.b6 Nf4 37.b7 Be4+–) 36...Re5 (36...Nf4 37.Rc6 Nd3 38.Ra1 c1Q 39.Rac1 Nc1 40.Rc1+–) 37.Nc2 (37.Re5?? c1Q 38.Kh2 Qf4 39.Kg1 Qe5–+) 37...Rg5 (37...Rc5 38.Ne3 Be4 39.Ra7+–) 38.Ne3 (better is 38.b6 Nf4 39.b7 Bc2+–) 38...Nf4 39.Kh2 Be4 (39...Nd3 40.Rf1+–) 40.g3 (40.Rd1!? Ng2 41.Rg1 Ne3 42.Rg5 Nf1 43.Kg1 Nd2 44.Rh5 Kg8+–) 40...Nd3 (40...hg3 41.fg3 Nd3 42.Rf1+–) 41.gh4 Rc5 (41...Rh5 42.Rd1 Nc5 43.Ra7 Rh4 44.Rc1+–) 42.Re2 (42.Rf1!? f5+–) 42...Rc1 43.Ng2 Nc5 (43...f5 44.a5+–) 44.Ra7 Rb1 (44...Kg6 45.Rc7 Bf3 46.Re3+–) 45.Rc7 Bf3 (45...Bg2 46.Rc5 Bf1 47.Re7+–) 46.Re3 (better is 46.Re1 Rb4 47.Rc5 Ra4+–) 46...Bg2 47.Rc5 Ba8 (47...Bf1 48.Rc7 Rb4 49.Rc1 Bb5 50.ab5 Rb5 51.Rc7+–) 48.Rcc3 (better is 48.a5 Kg6+–) 48...f5 (48...Rb4 49.Rb3 Rh4 50.b6+–) 49.Rc4 (49.Re8 Bb7 50.Re7 Ba8+–) 49...Kg6 (49...f4 50.Ree4! (50.Rf4?! Rh1 51.Kg3 Rg1 52.Kh2 Rh1 53.Kg3 Rg1 54.Kh2 Rh1=) 50...Kg6 51.Re6 (51.Rf4?! Rh1 52.Kg3 Rg1 53.Kh2 Rh1 54.Kg3 Rg1 55.Kh2 Rh1=) 51...Kf5 52.Rec6+–) 50.Kg3 Kf6 (50...Rd1 51.a5 Rg1 52.Kf4+–) 51.Kf4 (51.Rd4 Be4 52.Kf4 Kg6+–) 51...Rb2 (51...Rd1 52.a5+–) 52.f3 g6 (52...Rd2 53.Re8 Bd5 54.Rd8+–) 53.Rd4 (better is 53.Rd3 Rf2 54.Rc8 Bf3 55.Rf3+–) 53...Kf7 (53...Bd5+–) 54.Rd7 Kf6 55.Red3 Rb4 56.R3d4 (56.R3d4 Ke6 57.a5+–) 1–0. Taus,Martin (2115) – Krajina,Ales (2185), CZE–ChT2F, 2011.

3.h3 d6 4.e3 c6 5.c4 Qb6 6.a3 a5 7.c5 dc5 8.b5 cb5 9.Nc3 b4 10.ab4 cb4 11.Nd5 Qd6 12.Bb5 Bd7 13.Bd7 Qd7 14.Nb6 Qb5 15.Na8 b6 16.Qa4 Qa4 17.Ra4 Nf6 18.Nb6 Ne4 19.Nf3 e6 20.0–0 Nc6 21.d4 Be7 22.Rc1 Nd8 23.Ra5 0–0 24.Ne5 Nb7 25.Ra7 Nbd6 26.Nc6 Bd8 27.Nd8 Rd8 28.d5 ed5 29.Nd5 Nb5 30.Ne7 Kf8 31.Nc6 Rd2 32.Ra8 1–0. ourang – kolewoko, kurnik, 2012.

3.h3 d6 4.e3 Bd7 5.Nf3 Qc8 6.Be2 Nf6 7.d3 e5 8.Nbd2 Nc6 9.b5 Na5 10.a4 b6 11.d4 e4 12.Ng5 Be7 13.Nge4 Ne4 14.Ne4 d5 15.Nc3 Bb4 16.0–0 Rh6 17.e4 Bh3 18.Bf3 Bg2 19.Bg2 h3 20.Bf3 Rg6 21.Kh2 Bd6 22.e5 Bb4 23.Ne2 Qf5 24.Ng3 Qf4 25.c3 Be7 26.Bc1 Qh4 27.Ba3 Nc4 28.Be7 Ke7 29.Qd3 Rh8 30.Bd5 Na5 31.Nf5 Kf8 32.Nh4 Rh4 33.Rg1 Rgh6 34.Qf3 f6 35.ef6 Rf6 36.Qg3 Rhf4 37.Qg7 Ke8 38.Qg8 Kd7 39.Qg7 Ke8 40.Bc6 Nc6 41.bc6 Rf2 42.Kh3 R6f3 43.Rg3 Rf7 44.Qg8 Ke7 45.Re3 Kd6 46.Qg6 R2f6 47.Rf3 Rg6 48.Rf7 Kc6 49.Raf1 Rh6 50.Kg4 Rg6 51.Kh5 Rg3 52.R7f6 Kd5 53.R1f5 Kc4 54.Kh4 Rd3 55.Rf3 Rd2 56.Kg5 Kb3 57.Rc6 Ka4 58.Rc7 a5 59.Rf4 Rg2 60.Kf5 b5 61.d5 Kb3 62.Rd4 a4 63.d6 Rg8 64.d7 Rg7 65.Rb7 Rd7 66.Rdd7 Kc3 67.Rb5 a3 68.Ra5 Kb2 69.Rb7 Ka2 70.Ke4 Ka1 71.Kd3 a2 0–1. aniabielak – mokrekapsko, kurnik, 2012.

3.h3 d6 4.e3 Nd7 5.c4 e5 6.d4 f5 7.de5 de5 8.Nf3 (8.c5 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 b6+=) 8...e4 9.Ne5 (9.Nfd2 Ngf6 10.c5 g5=) 9...Ngf6 (9...Bb4 10.Nd2–/+) 10.Ng6 (better is 10.Qa4!?=) 10...Bb4–/+ 11.Nd2 Rg8 (better is 11...Rh6!? 12.Nf4 Nb6–/+) 12.Nh4+= Nc5 13.Be5? (13.Rb1 g5 14.Bf6 Bd2 (14...Qf6?! 15.Rb4 gh4 16.Qh5 Ke7 17.Rb5+=) 15.Qd2 Qf6–+) 13...Be6 (13...g5 14.Rb1 a5 15.a3 Ba3 16.Qc2–+) 14.Be2? (14.Ng6 Bf7 15.Nf4 g5–/+) 14...Nd3?? (better is 14...g5 15.Rb1 a5 (15...gh4?! 16.Rb4 Rg2 17.Bf1–/+) 16.Nf5 Bf5–+) 15.Bd3+= Qd3 Attacks the isolani on c4 (better is 15...Bd2 16.Qd2 ed3+=) 16.Qa4+/– c6?? 17.Qb4+– Rd8 18.Rd1 a5 19.Qb7 Bc4 20.Qc6 Rd7 21.Qe6 Be6–+ 22.Ng6 Bc4 (22...Bc4 23.Nf4 Qc2–+) 0–1. wybitnytalent – dtpwaldi, kurnik, 2011.

3.h3 e6 4.a3 d5 5.e3 a6 6.c4 c6 7.cd5 cd5 8.Nf3 b6 9.d4 Bb7 10.Nbd2 Nd7 11.Be2 Nh6 12.0–0 Nf5 13.Qc2 Qf6 14.Qc7 Bc8 15.Rac1 Bd6 16.Qc8 Rc8 17.Rc8 Ke7 18.Rh8 Nf8 19.Rc1 g6 20.Rg8 Nh6 21.Rf8 Kf8 22.Rc8 Kg7 23.Ne5 Be5 24.de5 Qf5 25.Bd4 b5 26.Rc6 g5 27.Ra6 Qc2 28.Bb5 Qd2 29.Be8 g4 30.Ra7 gh3 31.gh3 1–0. ourang – aleksandras19, kurnik, 2012.

3.h3 e6 4.e3 a6 5.a3 b6 6.Nf3 Bb7 7.Be2 Nf6 8.c4 Nc6 9.d3 Nh5 10.Nbd2 f5 11.0–0 Qe7 12.Ne5 Ne5 13.Be5 Qg5 14.Nf3 Bf3 15.Bf3 Ra7 16.Rc1 Bd6 17.Bd6 cd6 18.c5 dc5 19.bc5 f4 20.cb6 fe3 21.Rc8 Ke7 22.Rh8 Nf4 23.ba7 Nh3 24.Kh2 Nf2 25.Qe2 Qg3 26.Kg1 Nh3 27.Kh1 Nf2 28.Rf2 ef2 29.a8Q g5 30.Qe8 Kd6 31.Qb8 Ke7 32.Qg3 1–0. ourang – aleksandras19, kurnik, 2012.

3.h3 e6 4.Nf3 d5 5.e3 Nc6 6.b5 Nce7 7.Be2 Bd7 8.a4 f6 9.0–0 e5 10.d3 Qc8 11.Kh2 g5 12.Ng1 Bg7 13.Nd2 f5 (13...g4 14.hg4 Nh6 15.f3=) 14.c4 g4 15.hg4 fg4 16.f4?? (16.cd5 g3 17.fg3 Nf5 (worse is 17...Nd5 18.Nc4+/–) 18.Rf5 Bf5=) 16...g3?? (better is 16...Nf5 17.Bg4 Ne3 18.Bd7 Qd7–/+ (18...Kd7?! 19.Qf3 d4 20.Rfe1+=)) 17.Kh1+= h3 18.f5? hg2 19.Kg2 Nf5 20.Rf5 Bf5 21.Bh5 Kd8 22.e4 de4 23.Ne4 Qe6 24.Ng5 Qf6 25.Nf7 Ke7?? 26.Nh8–/+ Bh8 27.d4? Be4 28.Bf3 Bf3 29.Qf3+= Qf3 30.Nf3 e4 31.Ne5 Rf8?? 32.Kg3?? Nf6?? 33.Ng6 Kf7 34.Nf8 Kf8 35.Rf1 Ke7 36.d5 b6? 37.Bf6 Bf6 38.Kf4 Bd4 39.Ke4 Bc5 40.Rh1 Bd6 41.Rh8 Kf6 42.Ra8 Kg5 43.Ra7 Kg4 44.a5 ba5 45.Ra5 Kg3 46.Ra6 Kf2 47.b6 cb6 48.Rb6 Bc5 49.Rc6 Be3 50.d6 Bg5 51.d7 Ke2 52.Rc8 Kd2 53.d8Q Bd8 54.Rd8 Kc3 55.Rc8 Kb4 56.Kd5 White intends c5 56...Ka5 57.c5 Ka6 58.Rg8 Kb7 59.c6 Kc7 60.Rg7 Kb6 61.Kd6 Kb5 62.c7 Kc4 63.c8Q (63.c8Q Kd3 64.Qh3 Kc4 65.Rg4 Kb5 66.Qb3 Ka5 67.Ra4) 1–0. bratek55 (1635) – waldi1962, kurnik, 2011.

3.h3 g5?? 4.Bh8 g4 5.hg4 h3 6.Rh3 Nh6 7.f3 Ng4 8.fg4 1–0. aleksandras19 – johnny1237, kurnik, 2012.

2.Bb2 Rh6

3.a3 g5 4.e3 d6 5.Be2 g4 6.f3 (6.h3 e5+=) 6...Re6 (better is 6...e5!?=) 7.fg4+/– hg4 8.Bg4 Rf6? (better is 8...Rg6 9.Bc8 Qc8+/–) 9.Bf6 ef6?! (9...Bg4 10.Qg4 Nf6+–) 10.Bc8 Qc8 11.Qf3 c6 12.Nc3 d5 13.Nge2 Bd6 14.0–0 f5 15.Qf5 Qc7 16.g3 f6 17.Qe6 Kd8 18.Qg8 Kd7 19.Rf6 Be5 20.Rf7 Kd6 21.Qg6 Bf6 22.Qf6 1–0. Fournier,Frederic (1960) – cybermobile1, Owl21.com, 2009.

3.c4 Nc6 4.a3 a5 5.d4 ab4 6.ab4 Ra1 7.Ba1 Nb4 8.Qb3 c5 9.dc5 Qa5?? (better is 9...Na6+=) 10.Bc3+– Qa2 (10...Qc5 11.Bb4 (worse is 11.Qb4 Qb4 12.Bb4 Rb6–/+) 11...Rb6 12.Bc5 Rb3 13.Nd2+–) 11.Qb4 Nf6 12.Nd2 e6 13.e3 Qc2 14.Be2 Be7 15.Bd1 Qg6 16.g3 Ng4 17.Ngf3 h4 18.Nh4 Bh4 19.Bg4 Qg4 20.0–0 Bd8 21.Nf3?? Qf3–+ 22.Bg7 Rg6 23.Be5 f6 24.Bf4? e5 25.Re1 ef4 26.ef4 Be7 27.c6 d6 28.Qd6= Rg7 29.c7 Kf7?? 30.Qe7+– Kg6 31.Qe4 Qe4–/+ 32.Re4 Rc7 33.Kg2 b6 34.f3 Bb7 35.Rd4 b5 36.cb5 Rc2 37.Kh3 Bc8? 38.g4+– Rb2 39.Rd5 Bb7 40.f5 Kg5= 41.Rd7 Bf3 42.Kg3 Bg4 43.Rg7 Kh6 44.Rg4+/– Rb3? 45.Kh4+– Rb5 46.Rg6 Kh7 47.Rf6 Rb4 48.Kg5 Rb2 49.h4 Rg2 50.Kf4 Rh2 51.Rf7 Kh6 52.f6 Rh4 53.Kf5 Rh5 54.Ke6 (54.Ke6 Ra5 55.Rd7+–) 1–0. olawoj – kurdistan, kurnik, 2012.

3.e3 a6 4.Nf3 e6 5.a3 Nc6 6.d4 d5 7.Bd3 b5 8.Nbd2 g5 9.Ne5 Bb7 10.Nb3 f6? 11.Bg6+– Ke7 12.Nf7 Qc8 13.Nh6 Bh6 14.Qh5 f5 15.Nc5 Kf6 16.Bf7 Nce7 17.h4 g4 18.e4! Kg7 19.Ne6 Kh8 20.Bc1 Kh7 21.ef5 Nf5 22.Qf5 Kh8 23.Qe5 Kh7 24.Ng5 Bg5 25.hg5 Nh6 26.Rh6# 1–0. pierre (2125) – michael709, internet, 2007.

3.e3 Rb6 4.a3 Nf6 5.Be2 Nc6 6.b5 Na5?? 7.Bc3+– c6 8.Ba5 cb5 9.Bb5! a6 10.Bb6 Qb6 11.Be2 g6 12.Nf3 Bh6 13.0–0 a5 14.Nc3 a4 15.Qb1 Qc5 16.Qb5 Qb5 17.Bb5 e5 (17...Ra5 18.Rfb1+–) 1–0. Trkn – CHESS_MASTER_BLASTER_awaits, itsyourturn.com, 2000.

3.e3 Rb6 4.b5 a5 5.a4 Nf6 6.f4 Nd5 7.Qh5 Rh6?? (better is 7...Nf6 8.Qh8 d5+/–) 8.Qd5+– e6 9.Qg5 f6 10.Qg3 Qe7 11.Ba3 Qf7 12.Bf8 Qf8 13.Nf3 g6 14.Bd3 f5 15.Ne5 Qf6 16.0–0 d6 17.Nf3 Qa1 18.Nc3 Qa3 19.Qg5 Rh7 (19...Nd7+–) 20.Qg6 Rf7 21.Ng5 Kd8 22.Nf7 Ke7+– 23.e4 Nd7 24.ef5 Nf8 25.Qg7 d5 26.Nd6! Kd6 27.Qf8 Kd7 28.Qa3 b6 29.fe6 Ke6 30.Re1 Kf6 31.Qe7# 1–0. elsh1403 – israeel, kurnik, 2011.

3.e3 d5 4.a3 h4 5.Nf3 h3 6.g3 f6 7.d4 Bf5 8.c4 a5 9.cd5 Qd5 10.Nc3 Qd7 +–.

3.e3 d5 4.Nf3 Nf6 5.a3 Bg4 6.h3 Bf5 7.Be2 e6 8.0–0 Nbd7 9.Nc3 e5 10.Ng5 a5 =.

3.e3 e5 4.Be5 d5 5.Nf3 Bb4 6.Bg7 Rg6 7.Bb2 Bg4 8.Be2 Qf6?? (better is 8...Nd7+/–) 9.Bf6+– Nf6 10.0–0 Nc6 11.c3 Bd6 12.Nd4 (12.Nh4!? Rg8+–) 12...Nd4 13.ed4 Bh3 14.Bf3 0–0–0 15.a4 (better is 15.Kh1 Bg4+–) 15...Rdg8 16.g3 h4 (16...Bf1 17.Qf1 Rg5 18.d3+–) 17.Na3 (better is 17.Re1 hg3 18.fg3 Bg3 19.hg3 Rg3 20.Kf2 Bg2+–) 17...hg3 18.fg3 Bg3 19.hg3 Rg3 20.Kf2 Ne4 21.Ke3 Bf1 22.Qf1 Ng5 23.Nb5 Re8 24.Kf4 Rf3 25.Kg5 Rf1 26.Rf1 a6 27.Nc7! Kc7 28.Rf7 Kb6 29.a5 Ka5 30.Rb7 Re2 31.Kf5 Rd2 32.Ke5 Rd3 33.Rc7 Kb5 34.Kd5 a5 35.Rc5 Ka4? 36.Kc4 Rd1 37.d5 Rh1 38.d6 Rh4 39.Kd5 Rh5 40.Kc6 Rh6 41.Kc7 Kb3 42.Ra5 Kc3 43.d7 Rh4 44.Rd5 Rc4 45.Kd8 Re4 46.Rd6 Kc4 47.Kc7 Re7 48.Kd8 Re5?? 49.Rd1 Kb5 50.Kc7 Rc5 51.Kd6 Rc6 52.Ke7 Rh6 53.d8Q Rh7 54.Kf6 Rh6 55.Kg5 Rc6 56.Qd3 Kb6+– 57.Rb1 Kc7 58.Qh7 Kd6 59.Rd1 Kc5 60.Qc2 Kb6+– 61.Qc6! Kc6 62.Kf4 Kc5 63.Ke4 Kc4 64.Rc1 Kb3 65.Kd5 Kb2 66.Rc8 Kb3 67.Kd4 Kb4 68.Rb8 Ka5 69.Kc3 Ka6 70.Kc4 Ka7 71.Rb1 Ka6 72.Kc5 Ka7 73.Kc6 Ka8 74.Kc7 Ka7 75.Ra1# 1–0. ariank – altinin, kurnik, 2012.

3.e3 Nf6 4.Nf3 e6 5.a3 h4 6.Be2 d5 7.h3 c5 8.bc5 Bc5 9.Nc3 Nc6 10.0–0 Kf8 +=.

3.Nf3 c5 4.bc5+/– Nc6 5.d4 e6 6.e4+– Qf6 7.Nc3 Nb4 8.Nb5 Kd8 9.Bc1 a6 10.Bg5 (10...ab5 11.a3+–) 1–0. Wall,Bill – RedLevel, Internet, 2000.

3.Nf3 d5 4.a3 h4 5.e3 h3 6.g3 f6 7.d4 a5 8.Be2 ab4 9.ab4 Ra1 10.Ba1 Bf5 +=.

3.Nf3 d5 4.e3 Nf6 5.Bb5 c6 6.Be2 Bg4 7.a3 e6 8.Nc3 Bd6 9.h3 Bf3 10.Bf3 b5 =.

3.Nf3 e6 4.a3 Nf6 5.e3 d5 6.Be2 Bd6 7.0–0 a5 8.b5 Nbd7 9.d3 c6 10.c4 cb5 +=.

3.Nf3 e6 4.e3 Nf6 5.a3 d5 6.Bd3 Bd6 7.0–0 Nbd7 8.c4 dc4 9.Bc4 Nb6 10.Be2 h4 +=.

3.Nf3 Nf6 4.e3 d5 5.Be2 e6 6.a3 Bd6 7.0–0 Nbd7 8.Nc3 a6 9.Nd4 c5 10.bc5 Nc5 +=.

3.Nf3 h4 4.Nc3 h3 5.g4 d5 6.Rg1 e5 7.Ne5 Bb4 8.Rg3 Be6 9.e3 a6 10.f4 Bd6 +=.

3.Nf3 h4 4.e4 h3 5.g3 d5 6.Nc3 de4 7.Ne4 Nf6 8.Bd3 Nc6 9.a3 Bg4 10.Nf6 gf6 =.

3.f4 Rb6 4.a3+= Nc6 (4...d5 5.Nf3+=) 5.e3 a5 (5...g6 6.Nc3 Bg7 7.Rb1 Bc3 8.Bc3+/–) 6.b5+/– d5 7.Qh5 (7.bc6?! Rb2 8.cb7 Bb7=) 7...Na7 (7...e6 8.Qh8 Nf6 9.Ra2+– (9.bc6?! Rb2 10.Nc3 bc6=)) 8.c4 (8.Qh8 Nf6 9.Bd4 Rd6+/–) 8...Rh6 (8...Nf6!? 9.Bf6 ef6+/–) 9.Qd5+– Rd6 (9...Qd5 10.cd5 Bd7 11.Nc3+–) 10.Qe4 (10.Qf3 Rd7+–) 10...Re6 (10...Nf6 11.Qc2+–) 11.Qc2 c6 (11...Rh6 12.Nf3+–) 12.bc6 (12.Nf3 Rh6+–) 12...bc6 13.Nf3 Qb6 (13...c5 14.Nc3+–) 14.c5 Qc7 15.Bc4 (better is 15.Be5 Qd8 16.Nc3+–) 15...Rg6 (15...Rh6+–) 16.Bf7! Kf7 17.Ne5 (17.Ne5 Qe5 18.fe5+–) 1–0. Wall,Bill – Zagor, internet, 2006.

3.f4 e5 4.Be5 Nc6 5.c3 =.

3.h3 d6 4.e4 e5 5.a3 Rf6 6.d4 Rf2?? 7.Kf2+– Qh4 8.g3 Qe4 9.Bd3 Qh1–+ 10.Nd2 Qh2 11.Kf1 Bh3 12.Ke1?? Qg1 13.Nf1 Bf1 14.Bf1 Qg3 15.Kd2 Qf4 16.Kc3 Qe3 17.Kc4 d5! 18.Kd5 c6 19.Kc4 b5# 0–1. badboy1221 – MochaH, Live Game Caissa's Web, 2006.

2.Bb2 Nh6

3.c4 d5 4.cd5 Qd5 5.Nc3 Qf5 (5...Qd6 6.Rc1 Bd7 7.Nf3+=) 6.Nf3 e5 7.e3 (7.e4 Qe6+/–) 7...Bb4 (better is 7...c6+=) 8.Be2 (8.Qa4 Nc6 9.Bb5 Bc3 10.Bc6 bc6 11.Bc3 0–0 12.Ne5 Ng4+/–) 8...e4 (8...Nc6 9.Nb5 Kd8 10.Bc3 Bc3 11.dc3 Bd7 12.Rb1–/+) 9.Nd4 (better is 9.Qa4!? Nd7 10.Nh4+/–) 9...Qg6+= 10.0–0? (better is 10.Qa4 Nd7 11.Qb4 Qg2 12.Rf1+/–) 10...Bh3–+ 11.g3 Bf1 12.Qf1 h4 13.Qg2 hg3 14.fg3 Kf8?? 15.Ne4–/+ Be7 16.Nf2 Bf6?? 17.Bd3 Qg5 18.Qb7 Kg8 19.Qa8 Bd8 20.Qb8 g6 21.Nf3 Qe7 22.Bh8 Kh8 23.Kg2 Kg7 24.Qb2 Kh7 25.Qe5 Qa3 26.Ng5 Bg5 27.Qg5 Qc3 28.dc3 c5 29.Ng4 Ng4 30.Qg4 Kg7 31.h4 a5+– 32.Rf1 Kf8 33.Qc8 Ke7 34.Bc4 Kd6 35.Rf7 Ke5 36.Qe6 1–0. Fournier,Frederic (1930) – tama27(C), Active (5/0), 2005.

3.c4 d6 4.d4 =.

3.c4 f6 4.e3 e5 5.a3 Nc6 (5...a5 6.b5+=) 6.Nf3 (6.Qh5 Nf7 7.Qe2 d5+/–) 6...Bd6 (6...d6 7.d4+=) 7.c5 Be7 8.Nc3 (8.d4 ed4 9.Nd4 Nd4 10.ed4 h4+/–) 8...d6+= 9.d4 ed4 10.ed4 dc5 11.dc5 Qd1 12.Rd1 Bg4 13.Be2 (13.Nd5 Rc8+/–) 13...Rd8 14.0–0 Rd1 15.Rd1 Nf5 (15...a6 16.Nd5 Bd8 17.h3+–) 16.h3 Bf3 17.Bf3 (17.gf3?! Nfd4+=) 17...Nfd4 18.Bc6 (18.Bd5 a6+–) 18...Nc6 19.Nb5 0–0 20.Nc7+– Kh7 21.Nd5 Rd8 22.Kf1 Ne5 23.Be5 fe5 24.Ke1 Bg5 25.Nc3 Rd4 26.Rd4 ed4 27.Ne2 Bc1?? 28.a4 Ba3+/– 29.Nd4 Bb4+= 30.Ke2 Bc5 31.Ne6 Bb6 32.f3 Kg6 33.Nf4 Kg5 34.Nd5 Bd4 35.Nb4 a5 36.Nc2 Ba7 37.Na3 Kh4 38.Nc4+= Bb6?? 39.Nd6 Kg3+= 40.Kf1 (worse is 40.Nb7 Kg2 41.f4 g6–+) 1–0. Fournier,Frederic (1785) – cocoroco2 (1905), Active (5/0), 2004.

3.e3 g5 4.Qh5 g4 5.Bd3 Rg8 6.g3 d5 7.Ne2 c6 8.Nf4 Nd7 9.b5 Nf6 10.Qe5 Qd6 11.Qd6 ed6 12.Bf6 Bf5 13.bc6 bc6 14.Bf5 Nf5 15.0–0 a5 16.a4 Ra7 17.Na3 Be7 18.Be7 Ne7 19.c4 Rg5 20.cd5 cd5 21.Rab1 Nc6 22.Rfc1 Rc7 23.Nb5 Kd7 24.Nc7 Kc7 25.Rb2 Rg8 26.Rbc2 Re8 27.Nd5 Kd7 28.Nf6 Ke7 29.Ne8 Ke8 30.Rc6 1–0. riditko – ciesielkaa, kurnik, 2012.

3.e4 d5 +=.

3.Nf3 Na6 4.b5 Nb4 5.c4 a5 6.a3 d5 7.ab4 dc4 8.ba5 Qd5 9.Nc3 Qc5 10.e3 Ng4 11.h3 Nf6 12.Be2 e5 13.0–0 e4 14.Nh2 Bd6 15.g3 g5 16.Ba3 Qe5 17.Bd6 Qd6 18.Qa4 Bh3 19.Rfd1 Ng4 20.Qc4 Nh2 21.Qe4 Kd7 22.Kh2 h4 23.Qd5 hg3 24.fg3 Be6 25.Kg1 Bd5 26.e4 Qg3 27.Kf1 Rh1 0–1. bratek55 (1675) – ionel5507, kurnik, 2012.

2.Bb2 Rh7

3.Nc3+= e6 4.a3+/– Qf6 5.e3+– g5 6.Nf3 g4 7.Nd4 a6 8.Bd3 Rh6 9.f3 gf3 10.0–0 Qg5 11.Qf3 Ra7?? 12.Qf7 Kd8 13.Qf8# 1–0. pierre – kargyl, internet, 2009.

3.g3 g6 4.Nf3 Bg7 5.Qc1 f6 6.Bg2 b6 7.0–0 Bb7 8.d3 h4 9.Nh4 Bg2 10.Ng2 d5 11.Nd2 f5 Black prepares the advance d4 12.e4 d4 13.Nf3 Nf6 14.ef5 gf5 15.c3 Ng4 16.cd4 Bd4 17.Bd4 e5 18.Be5 Ne5 19.Ne5 Nd7 20.Qe3 Kf8 21.Qf4 Ne5 22.Qe5 Rf7 23.f4 Qd3 24.Qh8 Ke7 25.Qa8 Rh7 26.Qc6 Qd4 27.Kh1 Qh8 28.Rae1 Kd8 29.Rd1 Kc8 30.Qa8# 1–0. linakip – jicara, kurnik, 2012.

2.b5 d5

3.e3 e5 4.Nf3 e4 5.Ne5 Bd6 6.Bb2 f6 7.Ng6= Rh6 8.Nf4 g5 9.Nd5+/– c6 10.Ndc3 cb5? 11.Bb5+– Bd7 12.Bc4 Qb6 13.Qc1 Ne7 14.Ne4 Nf5 15.Bf6 Qc7 16.Bd5 Bh2 17.Bg5 Rg6 18.Qd1 Qe5 19.Qh5 Ne7 20.Nbc3 Bf5 21.Nf6 Kd8 22.Qh8 Kc7 23.Rb1 (23.Rb1 Bc8 24.Rh2+–) 1–0. coby – amtex, internet, 2009.

3.e3 Rh6 4.Ba3 Nc6?? (4...Nf6 5.Nf3=) 5.c3?? (5.bc6 bc6 6.d4 Nf6+–) 5...Nf6?? (5...Ne5 6.d4 Bg4 7.f3 Nf3 8.gf3+–) 6.Qa4?? (6.bc6 bc6 7.Nf3 h4+–) 6...Ne4?? (Better is 6...Ne5=) 7.bc6+– bc6 8.d4 Rf6 9.f4 Bb7 10.Be2 a6 11.Bh5 g6 12.Be2 Bh6 13.g3 a5 14.Nf3 g5 15.Ne5 gf4 16.gf4 Qd6 17.Bd6 cd6 18.Ng4 Re6 19.Qb4 ab4 20.cb4 c5? 21.dc5?? Nc5?? 22.bc5+– Ra4 23.Bb5 Kf8 24.Ba4 Rg6 25.h3 Ba6 26.Nc3 dc5 27.Nd5 Bd3 28.Kd2 Bf5 29.Nh6 Rg2 30.Ke1 Be4 31.Nc3 Re2 32.Ke2 Bd3 33.Kd3 e6 34.Rhg1 Ke7 35.Ng8 Kd6 36.Ne4 Kd5 37.Rg5 e5 38.Re5# 1–0. Franziska,Franzi – Henkel,Diana, remoteschach.de, 2002.

2.b5 h4

3.e4 b6 4.Bb2 Bb7 5.Nc3 a6 A) 6.a4 ab5 7.ab5 Ra1 8.Qa1 Nf6 9.f3 e6; B) 6.a3 Nf6 7.Qf3 e5 8.Nd5 ab5 9.Bb5 Nd5; C) 6.Nh3 e5 7.ba6 Na6 8.Bc4 Nf6 9.Ng5 d5; D) 6.Nf3= e6 7.Be2 h3 8.g3 ab5 9.Bb5 Nf6.

3.e4 b6 4.Bb2 Bb7 5.Nc3 e6 6.Nf3 Nf6 7.e5 Nd5 8.Nd5 Bd5 9.c4 Bb7 10.h3 d5 11.ed6 cd6 12.Bd3 Nd7 13.0–0 Nf6 14.Re1 Be7 15.Rc1 Rc8 16.Qe2 e5 17.Bf5+/– Rc7 18.d4 e4 19.Ng5 d5 20.cd5 Rc1 21.Bc1 Qd5 22.Be4 Ne4 23.Qe4 Qe4 24.Ne4 0–0 25.Nc5+– Bc5 26.dc5 bc5 27.Re7 Rd8 28.Be3 Bd5 29.Ra7 Ra8? 30.Ra8 Ba8 31.Bc5 1–0. marre – hfvy, internet, 2010.

3.e4 b6 4.Bb2 Bb7 5.f3 A) 5...e6 A1) 6.a4 a6 7.Nh3 d5 8.Bd3 Nf6 9.e5 Nfd7; A2) 6.Nc3 a6 7.Nh3 ab5 8.Bb5 Nc6 9.d4 Ra5; A3) 6.a3 a6 7.Nh3 d5 8.ed5 ed5 9.Nc3 Nf6; A4) 6.d4 a6 7.Nd2 Nf6 8.Nh3 ab5 9.Bb5 Nc6; B) 5...a6= B1) 6.d4 e6 7.Nd2 d5 8.Nh3 de4 9.Ne4 Nf6; B2) 6.Nh3 e6 7.Nc3 ab5 8.Bb5 Nc6 9.d4 Qf6.

3.e4 b6 4.Bb2 Rh5?? 5.Qh5+– g6 6.Qh4 c5 (6...a6 7.Nf3+–) 7.Qh7 Bb7 (7...Nh6 8.Bg7 Bg7 9.Qg7+–) 8.Qg8 Be4 (8...d5 9.ed5 Qd5 10.Nc3+–) 9.Bg7 a5 10.Qf8# 1–0. Taulien,Hans_Juergen – Franziska,Franzi, remoteschach.de, 2001.

3.e4 e5 4.Nf3 =.

2.c4 g6

3.Bb2 f6 4.d4 Nc6 5.a3 d6 6.e4 Bd7 7.d5 Ne5 8.Be5 fe5 9.Nf3 Qc8 10.c5 Bg4 11.Be2 Nf6 12.Nc3 Bh6 13.a4 Qd7 14.0–0 g5 15.a5 0–0–0 16.Na4 h4 17.b5 Bf3 18.c6 bc6 19.bc6 Qe8 20.Rb1 Be2 21.Qb3 Bf1 22.Qb7# 1–0. diggerdogwoofwoof – pieeater, ChessWorld.net, 2012.

3.Nf3 Bg7 4.d4 d6 5.e4 Nc6 (5...c5!?+=) 6.b5+= Nb4?? (better is 6...Na5+=) 7.a3+– Nc6 8.bc6 bc6 9.Be2 Nf6 10.Nc3 Bg4 (10...c5 11.e5 Ng4 12.ed6 cd6 13.0–0+–) 11.0–0 0–0 (11...c5 12.e5 Nd7 13.ed6 cd6 14.Be3+–) 12.h3 Bf3 13.Bf3 (13.gf3?! c5 14.dc5 Nd7+–) 13...e6 14.Bg5 Qd7 15.e5 de5 16.de5 Nh7 (16...Qd1 17.Rad1 Nh7+–) 17.Qd7 Ng5 18.Bc6 Rab8 (18...Be5 19.Ba8 Bc3 20.Rac1+–) 19.f4 Nh7 20.Qc7 Rbc8 21.Qd7 Rfd8 22.Qb7 Kh8 23.Rad1 Rb8 24.Qf7 Rd1 25.Rd1 (25.Rd1 Rg8 26.Qg6+–) 1–0. toolman – pieeater, ChessWorld.net, 2011.

2.d4 g6

3.Bb2 Bg7 4.e4 d6 5.e5 de5 6.de5 Nc6 7.Qd8 Nd8 8.Nf3 Bf5 9.Bd3 Bd3 10.cd3 Nh6 11.0–0 0–0 12.Nc3 Nf5 13.Nd5 c6 14.Nf4 e6 15.a3 b5 16.Rac1 a6 17.Rfe1 a5 18.ba5 Ra5 19.d4 Ra4 20.h3 Re8 21.g4 hg4 22.hg4 Nh6 23.g5 Nf5 24.Nd3 Bf8 25.Nb4 Bb4 26.ab4 Rb4 27.Ba1 Nb7 28.Rc6 Kg7 29.Nh2 Nd4 30.Bd4 Rd4 31.Rb6 Nc5 32.Rb5 Ne4 33.Nf3 Rc4 34.Kg2 Rd8 35.Rb7 Ng5 36.Nh2 Ne4 37.Re2 Ng5 38.f3 Rc3 39.Kg3 Rdd3 40.Kg2 Nf3 41.Rf2 Ne5 42.Nf1 Kh6 43.Re2 Ng4 44.Rf7 e5 45.Re4 Rc2 46.Kg1 Rd1 47.Rg4 Rcc1 48.Rf6 e4 49.Re4 Kh5 50.Ree6 g5 51.Rh6 Kg4 52.Ref6 Rc2 53.Rf2 Rc3 54.Kh2 Re3 55.Ne3# 1–0. irish paddy – pieeater, ChessWorld.net, 2012.

3.c4 Bg7 4.e4 d6 5.Bb2 Nc6 6.Nf3 Bg4 7.Be2 Qd7 8.a3 0–0–0 9.0–0 f6 10.h3 Bf3 11.Bf3 g5 12.Bh5 e6 13.d5 ed5 14.Bg4 f5 15.Bf5 Bb2 16.Ra2 Be5 17.Bd7 Rd7 18.b5 Nd4 19.ed5 Nf6 20.Nc3 g4 21.a4 gh3 22.g3 Ne4 23.Ne4 Rf7 24.Ng5 Rff8 25.a5 Rfg8 26.Nf7 Rh7 27.Ne5 Kb8 28.Nd3 Rf8 29.Kh2 Nf3 30.Kh1 Ka8 31.Nf4 Kb8 32.Qf3 Rfh8 33.Kh2 Kc8 34.Ng6 Rg8 35.Nf8 Kb8 36.Nh7 Rh8 37.Qf5 b6 38.ab6 cb6 39.Qd7 Rg8 40.Ra7 Rh8 41.Qb7# 1–0. calchess10 – pieeater, ChessWorld.net, 2011.

3.e3 Bg7 4.Be2 d5 5.Nf3 Nf6 6.Ne5 Nc6 7.Nf7 Kf7 8.0–0 Bf5 9.h3 Qd7 10.Bf3 Nb4 11.Nc3 Ke8 12.Ba3 Qd6 13.Qd2 g5 14.Rfe1 Kd7 15.Rab1 a5 16.Nb5 Qb6 17.Nc3 g4 18.Be2 gh3 19.g3 h4 20.g4 Ng4 21.f3 Nf6 22.Bb5 Kd8 23.Kf2 Kc8 24.Rg1 Bh6 25.Qe2 e6 26.Na4 Qa7 27.Rb2 e5 28.Bd3 Bd3 29.cd3 Nc6 30.Qf1 ed4 31.Qh3 Kb8 32.Qh2 Be3 33.Kf1 Qa6 34.Nc5 Qa7 35.Rg7 h3 36.Qc7# 1–0. stefanW – pieeater, ChessWorld.net, 2012.

2.e4 d5

3.ed5 a5 4.b5 Qd5 5.Nc3 Qc5 6.Nf3 +=.

3.ed5 Qd5 4.Nc3 Qd6 5.Nb5 Qe5 6.Qe2?? Qa1–+ 7.Nc7 Kd8 8.Qc4 Qe5 9.Be2 Qc7 10.Qf7 Nh6 11.Qh5 Qc2 12.Ba3 Qb1 13.Bd1 Qe4 14.Ne2 Qg2 15.Rg1 Bg4 16.Qb5 Be2 17.Ke2 Qg1 18.Qb7 Qg4 19.Ke1 Qe6 20.Be2 Qc6 21.Bf3 Qb7 22.Bb7 e6 23.Ba8 Na6 24.Bb2 Nb4 25.a3 Nc2 26.Kd1 Na3 27.h4 Nf5 28.f4 Rh4 29.Be5 Nc4 (30.Bb8 Bd6 31.Ba7 Rh2–+) 0–1. nwishn (1900) – nay (2190), net–chess.com, 2006.

3.ed5 Qd5 4.Nc3 Qe5 5.Be2+/– Bd7 6.Nf3 Qe6 7.0–0 h4 8.Ng5 Qg6+/– 9.Nd5 Na6? 10.Ba6+– ba6 11.Nc7 Kd8 12.Qf3 Kc7 13.Qa8 Qg5 14.d4 Nf6 15.Qa7 Kd8 16.Qb6 Kc8 17.Qa6 Kc7 18.Bg5 (18.Bg5 Ne8 19.b5 Bb5 20.Qa5 Kd6 21.Qb5+–) 1–0. pierre – goalzip, internet, 2009.

3.ed5 Qd5 4.Nc3 Qe6 5.Nge2 Nf6 6.d4 +=.

3.ed5 Qd5 4.Ne2 e5 5.a3 Nf6 6.Nec3 =.

3.ed5 Qd6 4.Nc3 Nf6 5.Bc4 Qb4 6.Qe2 +=.

3.ed5 Nf6 A) 4.Nc3 Nd5 5.Nd5 (5.Nf3= Nb4 6.Rb1=+) 5...Qd5 6.Ne2=; B) 4.Bb5 Bd7 5.Bc4 c6 6.dc6+=.

3.Qf3 de4 4.Qe4 Nf6 5.Qc4 e6 6.Bd3 Nc6 7.b5 Ne5–+ 8.Qa4 Nd3 9.cd3 Bd7 10.Ba3 a6 11.Bf8 Rf8 12.Qc4 Bb5 13.Qc5 Bd3 14.Nc3 Qd7 15.Rc1 b6 16.Qe3 c5 17.Qf3 Nd5?? 18.Nd5?? Qd5–+ 19.Rc3 Be4 20.Qe3 Bg2 21.Rd3 Qa2 22.Ke2 Bh1 23.Qf4 c4 24.Rd4 Bd5 25.Qc7 f6 26.Nf3 Rf7 27.Nh4 Rc7 28.Ng6 Kf7 29.Nf4 e5 30.Nd5 ed4 31.Nc7 Ra7 32.Nd5 d3 33.Ke3 c3! 34.Nb6 Qd2 35.Kd4 c2 36.Nd5 c1Q (37.f4 Qf2 38.Ne3 Qfe3 39.Kd5 Rd7#) 0–1. manofsteel5 – DigitalKnight, Live Game Caissa's Web, 2005.

2.e4 e5

3.a3 A) 3...a5 4.b5 Nf6 5.Nc3 Bc5 6.Bc4=; B) 3...Ne7 4.Bb2 d6 5.Nf3 h4 6.h3+=; C) 3...Nf6 4.Nc3 d5 5.ed5 Nd5 6.Bb2=.

3.Ba3 Nf6 4.Nf3 a5 5.b5 Ba3 6.Na3 =.

3.Bb2 A) 3...Nf6 4.Nf3 Ne4 5.Ne5 d5 6.Qe2=; B) 3...a5 4.b5 Nf6 5.Be5 Ne4 6.Qe2+=; C) 3...Bb4 4.Be5 Nf6 5.Qf3 Be7 6.Bc4=.

3.Nf3 =.

2.e4 g6

3.Bb2 f6 4.d4 d6 5.Bc4 Nc6 6.b5 Nb4 7.Nf3 Bg4 8.c3 Bf3 9.Qf3 Nc2 10.Ke2 Na1 11.Ba1 Qd7 Black claimed a win on time. neruda – pieeater, ChessWorld.net, 2012.

3.Bb2 f6 4.Nf3 d6 5.b5 Bd7 6.a4 e5 7.Bc4 Qe7 8.Nc3 Bg4 9.Nd5 Qd8 10.0–0 Nd7 11.h3 Be6 12.d4 Ne7 13.de5 de5 14.Nc7 Qc7 15.Be6 0–0–0 16.Qe2 g5 17.c4 Kb8 18.Rfc1 g4 19.Nh4 gh3 20.Bh3 Bh6 21.Rc2 Nc5 22.Rc3 Rhg8 23.Qh5 Ne4 24.Rc2 Bg5 25.Nf5 Nf5 26.Bf5 Nc5 27.a5 Rh8 28.Qf3 Rh4 29.g3 Rh6 30.Bc3 Rdh8 31.b6 ab6 32.ab6 Qb6 33.Rb2 Qc7 34.Rb5 Rh2 35.Rab1 Rh1 36.Qh1 Rh1 37.Kh1 Qc6 38.Kg1 Kc7 39.Ba5 Kb8 40.Bb6 Ne4 41.Be4 Qe4 42.Be3 Be3 43.Rb7 Kc8 44.Rb8 Kd7 45.R1b7 Ke6 46.Re8 Kf5 47.Reb8 Bd2 48.c5 Ba5 49.Rb3 Qe1 50.Kg2 Qe4 51.Rf3 Ke6 52.Rf8 f5 53.R8f5 Kd5 54.Kh3 Kc5 55.Rf6 Bd2 56.Kg2 Kd5 57.Kh3 Qh7 58.Kg2 e4 59.R3f5 Kd4 60.Rd6 Kc3 61.Rc5 Kb4 62.Rdd5 e3 63.fe3 Qe4 64.Kh3 Qh1 Draw agreed ˝–˝. katabla – pieeater, ChessWorld.net, 2012.

3.Bb2 Nf6 4.Nf3 Bg7 5.Bc4 (5.e5 Nd5 6.Nc3 Nb4= 7.Bc4 N8c6 8.a3 Na5 9.Bf7 Kf7 10.ab4 Nc4) 5...d6 (5...Nc6 6.0–0 Nb4 7.Re1 0–0 8.Nc3 d6 9.h3 Be6 10.Be6 fe6) 6.Nc3 (6.Ng5 0–0= 7.0–0 Nc6 8.Nc3 Nb4 9.a3 Nc6 10.Qf3 Ne5; 6.0–0 Nc6 7.b5 Na5 8.Bd3 Be6 9.Ng5 0–0 10.Nc3 Ng4) 6...Bg4 (6...Ne4!? 7.Qe2 (7.0–0 Nc6 8.b5 Na5 9.Bd5 Nc3 10.Bc3 Bc3) 7...Nc3 8.Bc3 Bc3 9.dc3 Nc6+= 10.0–0 0–0) 7.h3+= Bd7 (7...Bf3!? 8.Qf3 Nc6+= 9.Nd5 0–0 10.0–0 Nd5) 8.e5 de5 (8...Nh7 9.b5 0–0 10.Qe2 de5) 9.Ne5 Be6 (9...e6!? 10.b5 Bc8+/–; 9...Rf8 10.0–0 Nc6) 10.Be6+– fe6 11.Ng6 Rh6 (11...Rg8 12.0–0+–) 12.Nf4 e5 (12...Qd6 13.Qf3 Na6 14.0–0+– (14.Qb7?! Rb8 15.Qa7 Nd7+–)) 13.Ne6 Qd6 (13...Qd7 14.Ng7 Kf7 15.Nh5 Rh5+–) 14.Ng7 Kf7 15.Nf5 Qc6 (15...Qb4 16.Nh6 Kg6 17.Nf5 Kf5 18.Ba3+–) 16.Nh6 Kg6 17.Qe2 (better is 17.d4 ed4 18.Qd4 Qe6 19.Kf1+–) 17...Qg2 (17...Kh6 18.Qe5 Qg2+–) 18.0–0–0 Kh6 19.Rdg1 Qc6 20.Qe5 Nbd7 21.Qg5 (21.Qg5 Kh7 22.Qg7#) 1–0. mrkt – baronszu, internet, 2011.

3.Bb2 Rh7 4.d4 Bg7 5.Nf3 Nf6 6.Ng5 Rh8+= 7.Bd3 Ng4 8.0–0 b5? 9.Qf3 Kf8?? 10.Qf7# 1–0. Trkn – IrishPrincess, itsyourturn.com, 2001.

3.c3 Bg7 4.a3 d6 5.Bc4 Nc6 6.Ba2 Be6 7.Be6 fe6 8.g4 h4 9.Nf3 Qd7 10.Ng5 Nh6 11.Qf3 0–0–0 12.d4 Rhf8 13.Qd3 Ng4 14.Be3 e5 15.Bd2 Nf2 16.Qf1 ed4 17.Rg1 dc3 18.Bc3 Ne4 19.Qd3 Nf2 20.Qg6 Bc3 21.Nc3 Nd4 22.Ra2 e5 23.Rf2 Rf2 24.Kf2 Rf8 25.Kg2 Qg4 26.Kh1 Qf4 27.Nd5 Qf2 28.Ne4 Qf3 29.Qg2 Ne2 30.Qf3 Rf3 31.Rg8 Kd7 32.Rg7 Kc6 33.Nc7 Re3 34.Nf2 Ra3 35.h3 Ra1 36.Kg2 Rg1 37.Kf3 Rg7 38.Ne6 Nd4 39.Ke4 Ne6 40.Kf5 Nd4 41.Kf6 Rg3 42.Ke7 Nc2 43.Ne4 Rh3 44.Nd6 Nb4 45.Ke6 a5 46.Ke5 a4 47.Nc4 b5 48.Na3 Ra3 White resigned 0–1. Eries – pieeater, ChessWorld.net, 2012.

3.d4 Bg7 4.e5 d6 5.Nf3 Nc6 6.Bf4 Bf5 7.Bb5 a6 8.a4 ab5 9.Qc1 e6 10.ed6 cd6 11.Nc3 Nb4 12.Qd2 Nf6 13.Nb5 Nbd5 14.c4 Nf4 15.Qf4 e5 16.de5 de5 17.Qe5 Be6 18.Rd1 Qa5 19.Kf1 0–0 20.Ng5 Qa4 21.Ne6 Qc4 22.Kg1 fe6 23.h3 Kf7 24.Nd6 Ke7 25.Nc4 Rac8 26.Qd6 Kf7 27.Ne5 Kg8 28.Ng6 Rf7 29.Qe6 Re8 30.Qb3 Ne4 31.Re1 Bd4 32.Re4 Bf2 33.Kf1 Re4 34.Nf4 Ref4 35.Ke2 Re4 36.Kd1 Rd4 37.Kc2 Kg7 38.Rd1 Rc7 39.Kb2 Rd1 40.Qd1 b5 41.Qh5 Bd4 42.Kb1 b4 43.Qg4 Kh7 44.Qd4 Black resigned 1–0. wee harv – pieeater, ChessWorld.net, 2012.

3.d4 Bg7 4.Nf3 d6 5.Bd3 Nc6 6.Bb5 Bd7 7.a3 Qc8 (7...a6 8.Bc4+=) 8.Bb2 (8.0–0 a5+=) 8...e6 (8...a5 9.ba5 Na5 10.Bd3+=) 9.Nbd2. icreatefun – pieeater, ChessWorld.net, 2011.

2.e4 h4

3.a3 A) 3...d5 4.ed5 Qd5 5.Nc3 Qe6 6.Be2+=; B) 3...d6 4.Nc3 e5 5.Nf3 h3 6.g3=; C) 3...e5 4.Nc3 d6 5.Bc4 Nd7 6.Nf3=.

3.Nc3 g5 4.Bb2 Bg7 5.Nh3 a5 6.b5 d6 7.Ng5+/– e5 8.Nd5?? c6–/+ 9.bc6 bc6 10.Nf7 Kf7 11.Bc4 cd5?? 12.Bd5+/– Be6 13.Ba8 Nd7 14.Bd5 Nc5 15.0–0 Bd5+/– 16.ed5 Qg5 17.f4 ef4 18.d4 Ne4 19.Qf3 Ngf6 20.Qf4 Qf4= 21.Rf4 Bh6 22.Rf3 Rg8 23.Re1+= Nd2 24.Rf2 Kg7? 25.Bc1+– Nfe4 26.Bd2 Bd2?? 27.Re4 Rf8 28.Rg4 (28.Rg4 Bg5 29.Rg5 Kh6 30.Rg4 Rf2 31.Rh4 Kg7 32.Kf2+–) 1–0. marre – eaww, internet, 2010.

3.d4 c6 4.Nf3 h3 5.g3 Nf6 6.Bd3 +=.

3.d4 d5 4.ed5 Qd5 5.Nc3 Qd8 6.Be3 =.

3.d4 e5 4.a3 ed4 5.Nf3 Qe7 6.Qd4 =.

3.d4 e5 4.de5 Bb4 5.c3 Bc5 6.Ba3 =.

3.d4 e5 4.Nf3 ed4 5.a3 Qe7 6.Qd4 =.

3.Nf3 A) 3...e6 4.c3 d5 5.e5 Be7 6.d4+=; B) 3...d5 4.Nc3 Nf6 5.e5 Ne4 6.Nb1+=; C) 3...h3 4.d4 Nf6 5.e5 Ne4 6.g3+=.

3.h3 e5 4.Nf3 Qf6 5.Bc4 Bb4 6.c3 Bc5 7.d3 Nc6 8.d4 ed4 9.cd4 Nd4 10.Bb2 Nf3 11.gf3 Qb2 12.Nd2 Bd4 13.Rb1 Qa3 14.Nf1 d6 15.Qd4 Qa5 16.Qd2 Qc5 17.Rc1 Qh5 18.Be2 g5 19.f4 Qh6 20.fg5 Qg6 21.f4 Qe4 22.Rh2 f6 23.Rc4 Qb1 24.Bd1 Qb6 25.Qe2 Kd8 26.gf6 Nf6 27.Rf2 Bd7 28.Rf3 Qa5 29.Kf2 c5 30.Qc2 Nd5 31.Ne3 Bc6 32.Nd5 Bd5 33.Ra4 Qb6 34.Re3 c4 35.Qd2 Rh5 36.Bh5 Kc7 37.Qd5 Qb2 38.Re2 Qc3 39.Re7 Kb6 40.Rb7# 1–0. dunk0104 – pmcl1971, ChessWorld.net, 2012.

2.e4 Rh6

3.b5 Rb6 4.d4 Rb5?? (Better is 4...d5 5.ed5 Qd5+=) 5.Bb5+– Nf6 6.f3 g6 7.Nh3 Bh6 8.Bh6 e5 9.de5 Qe7 10.ef6 Qf6 11.c3 Qc3 12.Nc3 a6 13.Ba4 b6 14.Nd5 c6 15.Nf6 Ke7 16.Ng8 Kd8 17.Ng5 Kc7 18.Nf7 b5 19.Bb3 a5 20.Qd6 Kb6 21.Ne7 Ra7 22.Nc8 Ka6 23.Qb8 a4 24.Bc2 Ka5 25.Qa7 Kb4 26.Bd2 Ka3 27.Bc1 Kb4 28.Qd7 Kc3 29.Bd1 Kc4 30.Qc6 Kd4 31.Qb5 Kc3 32.Qa4 h4 33.Qa3 Kd4 34.Ncd6 g5 35.Ng5 h3 36.Nh3 Ke5 37.Qc5 Kf6 38.Ne8 Kg6 39.f4 Kh6 40.f5 Kh7 41.Qc7 Kh8 42.Qg7# 1–0. Franziska,Franzi – Bia,Bianca, remoteschach.de, 2002.

3.b5 Re6 4.Nc3 Nf6 5.d3 =.

3.d3 Re6 4.g3 Nf6 5.Bg2 b5 6.Nf3 Na6? 7.0–0 Nb4 8.Ng5 Rc6 9.e5 Rc2?? 10.Ba8 Ra2 11.Qb3 e6 12.Ra2 Na2 13.Qa2 d5 14.ef6 gf6 15.Nh7 Bg7 16.Nc3 Bd7 17.Qa7 f5 18.Bg5 Qc8 19.Bb7 Bc3 20.Bc8 Bc8 21.Qc7 e5 22.Qd8# (22.Qc8#) 1–0. Cavanagh,Philip – diesel3us, Yahoo! Chess, 2001.

3.d4 Rb6 +=.

2.Nf3 d5

3.a3 Nf6 4.d4 h4 5.h3 =.

3.Bb2 f6 4.Nd4 (4.d4 e5 5.de5 Bb4 6.Bc3 c5=) 4...Kd7 (better is 4...e5!? 5.Nf3 Bb4–/+) 5.Nf3 h4 6.a3 h3 7.Bf6?? (better is 7.d4+=) 7…gf6 0–1. Peters,Charles William – Dobrin,Doron (1870), IECC, 2000. (=1.Nf3 h5 2.b4 d5)

3.Bb2 Nf6 4.a3 h4 5.h3 =.

3.d4 =.

2.Nf3 e6

3.a3 d5 4.d4 Nd7 5.Nbd2 =.

3.Bb2 Nf6 4.a3 Be7 5.Nc3 =.

3.Bb2 Nf6 4.b5 b6 5.e3 Bb7 6.Bf6 (6.Be2!?+=) 6...Qf6+= 7.d4 Bf3 8.Qf3 Qf3 9.gf3 Bb4 (9...a6 10.Rg1+=) 10.c3= Be7 11.f4 g5 (11...a6!?=) 12.fg5+= Bg5 13.Bg2 c6 14.Nd2 d5 (14...Be7 15.Rg1+=) 15.bc6 (15.c4!? Kd7 16.bc6 Kd6 17.Nf3+/–) 15...Nc6+= 16.c4 Nb4 17.0–0 (17.cd5 Nd5 18.Bd5 ed5+=) 17...Rd8 18.a3 (18.Rfc1 a6+=) 18...Nc6 (better is 18...Nc2!? 19.Ra2 Ne3 20.fe3 Be3 21.Kh1 dc4 (worse is 21...Bd4 22.cd5 h4 23.Nb3+/–) 22.Nc4 Bd4=) 19.cd5+/– ed5 20.Rac1 (better is 20.Ra2!?+=) 20...Nd4+= 21.ed4 Bd2 22.Rc7 Ba5 23.Ra7+= Rg8 24.Kh1 Kf8 25.Rc1 Kg7 26.Rcc7 Rdf8? 27.Bd5+– Kh8 28.Bf7 Rg7 29.d5 Rd8 30.Be6 Rc7 31.Rc7 Be1 32.Kg2 Rf8 33.f3 h4 34.d6 h3 35.Bh3 Rg8 36.Bg4 Bd2 37.d7 Bg5 38.Rc8 1–0. bluepiramid2 (1700) – oponent, kurnik, 2012. (=1.Nf3 h5 2.b4)

2.Nf3 Nf6

3.Bb2 d5 4.a3 h4 5.h3 =.

3.c4 e6 4.a3 Be7 5.d4 =.

2.Nf3 g6

3.Bb2 f6 (--> 1.b4 g6 2.Bb2 f6 3.Nf3 h5).

3.c4 Bg7 4.d4 Nc6 5.Bb2 (5.b5 Na5 6.e3 c5+=) 5...d6 (5...Nb4 6.e4+=) 6.e4 (6.b5 Nb8+=) 6...Bg4 7.Be2 Qd7 (7...Nb4!? 8.0–0 Rb8=) 8.a3 0–0–0 9.Nc3 (9.b5 Nb8 10.Qa4+/–) 9...f6?? (better is 9...Bf3 10.Bf3 Nd4+=) 10.d5+/– Ne5 11.Ne5 de5? (better is 11...Be2!? 12.Qd4 fe5 13.Qa7 Qg4 14.Ne2 Qg2+–) 12.f3+– Bf3 13.Bf3 g5 14.g4 h4 15.h3 Re8 16.0–0 e6 17.a4 ed5 18.ed5 Ne7 19.c5 f5 20.d6 Nc6 21.dc7 Qc7 22.Nb5 Kb8 23.Nc7 Kc7 24.b5 Nb4 25.Bc3 fg4 26.Bg4 Rhg8 27.Bb4 e4 28.Qd6# 1–0. Haroldlee123 – pieeater, ChessWorld.net, 2012.

1...h6

2.a3 a6 3.Bb2 d6 4.d3 e5 5.Nd2 Nf6 6.g3 Be7 7.Bg2 c6 8.Ngf3 Nbd7 9.0–0 Nb6 10.e3 (10.c4 Be6=) 10...Nbd5 (10...Na4!? 11.Rb1 Nb2 12.Rb2 0–0=) 11.e4 Nc7 12.Rc1 Be6 13.Re1 0–0 14.c4 Rb8 (14...a5 15.d4=) 15.d4+= White plans c5 15...ed4 16.Nd4 Bd7 17.c5 d5 (17...dc5 18.bc5 b6 19.cb6 Rb6 20.Nc4+=) 18.Nf5 (18.e5 Nfe8+/–) 18...Be6 (18...Bf5 19.ef5 Nd7 20.f4+=) 19.Ne7 Qe7 20.e5 Nd7 21.f4 Bf5 22.Nb3 Ne6 23.Na5 Qd8 24.Re3 Kh8 25.Qe1 Rg8 26.Bf3 Nef8 27.Kg2 Ne6+= 28.Qd2 Bg6 29.Qe2?? Bf5?? 30.Bg4 Bg4 31.Qg4 f6?? 32.ef6 Nf6 33.Qe6 Re8 34.Bf6 Re6 35.Bd8 Re3 36.Bc7 Rc8 37.Bd6 Ra3 38.Nb7 Rb3+/– 39.Ra1 Rb4+= 40.Na5 Rb2 41.Kh3 d4? 42.Nc4+– Rc2 43.Ne5 g5 44.fg5 hg5 45.Rd1 Rg8 46.Rd4 a5 47.Ra4 Re8 48.Ra5 Re2 49.Nc6 Rc2 50.Ne7 Re2 51.Ra4 R2e7 52.Be7 Re7 53.Rc4 Rc7 54.Kg4 Kg7 55.Kg5 Kf7 56.h4 Kg7 57.h5 Kh7 58.g4 Kg7 59.Kf5 Kh7 60.g5 Kg7 61.h6 Kh7 62.Kf6 Kg8 63.g6 1–0. golfx – muterka, kurnik, 2011. (=1.a3 h6 2.b4)

2.a3 g6 3.Bb2 Nf6 4.d3 Bg7 5.Nd2 0–0 6.c4 Ne8 7.Bg7 Ng7 8.g3 d6 9.Bg2 c6 10.e3 e6 11.b5 d5 12.cd5 ed5 13.bc6 bc6 14.Ne2 Be6 15.0–0 Qe7 16.e4 de4 17.Ne4 Bd5 18.N2c3 Nd7 19.Nd5 cd5 20.Nc3 Nf6 21.Qb3 Rab8 22.Qa4 Rfd8 23.Rfe1 Qf8 24.Rab1 Nge8 25.Rb8 Rb8 26.Nd5 Nd5 27.Bd5 Qc5 28.Bc4 Nd6 29.Qd7 Kg7 30.Re7 Rf8 31.Qa7 Nc4 32.Qc5 Nd2 33.Kg2 h5 34.Qc2 Ra8 35.Qd2 Ra3 36.d4 Ra6 37.d5 Rd6 38.Qf4 Rf6 39.Qe5 g5 40.d6 Kg6 41.d7 Rf5 42.Qf5 Kf5 43.d8Q Kf6 44.Rf7 Kf7 45.Qg5 h4 46.Qh4 Kg6 47.f4 Kf5 48.Qg5 Ke4 49.g4 Ke3 50.h4 Ke4 51.h5 Ke3 52.h6 Ke4 53.h7 1–0. golfx – zalewkoronows, kurnik, 2012. (=1.a3 h6 2.b4)

2.Ba3 Nc6 3.e4 a5 (3...e5!?=) 4.b5+= Ne5 5.d4 Ng6 6.Bc1 b6 (6...e5 7.Nf3 Nf6 8.Bd3+=) 7.Bd3 e5 8.Nf3 ed4 9.Nd4 Ne5 10.0–0 Nd3 11.Qd3 Nf6 12.e5 Nd5 (12...Nh7 13.Nf5+/–) 13.a3 (13.Qf3 c6 14.bc6+–) 13...Bc5? (13...Bb7 14.c4 Ne7 15.Rd1+=) 14.Nf3 (better is 14.Nf5 Ne7 15.Ng7 Kf8 16.Nh5+–) 14...Ne7 15.Qe4 Ra7 16.a4 (16.Qe2 Ng6+=) 16...Bb7= 17.c4?? (better is 17.Qg4=) 17...Be4–+ 18.Nfd2 (18.Nbd2 Bd3 19.Re1 Nf5–+) 18...Bb1 (better is 18...Bd3 19.Rd1 Nf5 20.Nb3 Bf2 21.Kf2–+) 19.Rb1 0–0 0–1. sgrant (2045) – mduerr (1700), net–chess.com, 2010.

2.Ba3 d6 3.e3 e5=+ 4.Nc3 Ne7 5.Ne4 b6 6.b5 Bb7 7.Ng3 g6 8.e4 Bg7 9.Bc4 0–0 10.Bc1 a6–/+ 11.Nf3 ab5 12.Bb5=+ Na6 13.d3 Nc5 14.h4 Kh7 15.h5 d5 16.hg6–/+ fg6 17.Rh6?? Bh6–+ 18.Bh6 Kh6 19.Qd2 Kg7 20.Qg5 Ng8 21.Nh5 Kf7 22.Ne5 Ke6 23.Ng7 Kd6 24.Qg6 Qf6 25.Nf5?? Ke6 26.Ng7?? Ke5–+ 27.Qh5 Kd6 28.Nf5 Ke6 29.Nd4 Qd4 30.Qf5 Rf5 (31.ef5 Kf5–+) 0–1. manofsteel3 – GrandPawn, Live Game Caissa's Web, 2005.

2.Ba3 e5 3.e4 a5 4.b5 Ba3 5.Na3 Nf6 6.Bd3 (6.Qf3 0–0+=) 6...d5 7.Nf3? (better is 7.ed5 Qd5 8.f3+=) 7...de4–+ 8.Be4 Ne4 9.Qe2 Ng5 (9...Bf5 10.0–0 Qe7 11.Nc4–+) 10.Qe5 Qe7 11.Qe7 Ke7 12.Nd4 (12.Ng5 hg5 13.d4 Be6–+) 12...Rd8 13.c3 c5 14.Nb3 Nd7 15.0–0 b6 16.Rae1 Ne6 17.Re3 Bb7 18.Nc4 Bd5 19.Ne5 Ne5 20.Re5 Bb3 21.ab3 Rd2 22.f4 Kf6 23.g3 Rad8 24.g4 R8d3 25.g5 hg5 26.b4 Nf4 27.Re8 Rh3 28.Rf2 Rf2 29.Kf2 Rc3 0–1. sgrant (2045) – smurfchess (2135), net–chess.com, 2010.

2.Ba3 Nf6 3.Nf3 =.

2.a4 c5 3.Ra2?? (better is 3.bc5 Nf6 4.Nc3+=) 3...Qa5?? (3...cb4 4.Bb2–/+) 4.Ra1 (4.ba5 Nc6+–) 4...Nc6?? (4...cb4 5.Nf3–/+) 5.c3 (better is 5.ba5 e6 6.Nc3+–) 5...Qb6 (5...cb4 6.cb4 Nb4 7.Nf3–/+) 6.Ra2? (6.a5 Qc7 7.bc5 Nf6=) 6...Nb8 (better is 6...cb4!? 7.cb4 Nb4–+) 7.Bb2 Qa5?? (better is 7...cb4 8.cb4 Nc6+=) 8.b5 ˝–˝. Sokolov,Ivan – Khalifman,Alexander, Parnu, 1996.

2.a4 g6 3.a5 Rh7 4.a6 (4.Nf3 d5=) 4...Rg7 (4...Na6 5.b5 Bg7 6.d4+=) 5.b5 (5.e4 e5=) 5...Nf6 (better is 5...ba6!? 6.Bb2 ab5 7.Bg7 Bg7+=) 6.b6 (better is 6.e4=) 6…Nh7 ˝–˝. Sislian,Hanno – Meyer,Thorsten, Schleswig Holstein–chD, 1989.

2.Bb2 a5 3.b5 d5 4.e3 c6 (4...Bf5 5.Nf3=) 5.c4 cb5 6.cb5 Bd7 7.a4 e6 8.Nf3 f6 (8...Nf6 9.Be2+=) 9.Qb3 (9.Nh4!? Qc7 10.Ng6+–) 9...Ne7+= 10.d4 Nf5 11.Bd3 Bb4 12.Nbd2 0–0 (12...Qe7 13.Rc1+/–) 13.0–0 (13.Bf5!? ef5 14.Qd5 Rf7+–) 13...Qe7 14.Rac1 g6 15.g4 Nd6 16.Bg6 (16.Bc3 Bc3 17.Rc3 Kg7+/–) 16...Qg7 17.Qd3 f5 18.Ne5 Bd2 19.Qd2 Rf6 20.Bh5+– Ne4 21.Qe2 Ng5 22.f4 Nh3 23.Kh1 Bc8 24.Rc8 Rf8 25.Rf8 Kf8 26.gf5 Nd7 27.Nd7 Qd7 28.Ba3 Kg8 29.Qg2 Qg7 30.Qh3 Kh8 31.Bd6 Rc8 32.Be5 (32.Be5 Kh7 33.Bg7 Rc2 34.Be2 Kg8 35.Qh6 ef5 36.Bf8 Kf7 37.Qg7 Ke6 38.Qe7#) 1–0. agostinhoarruda (2510) – sgrant (2045), net–chess.com, 2010.

2.Bb2 b5 3.a4 c6 (3...ba4 4.Nf3+=) 4.Nf3 ba4 5.Ra4 Nf6 6.e3 a6 7.Nc3 e6 8.Qa1 Bd6 (8...d5 9.Ne5+=) 9.e4+/– e5 10.Be2 Qe7 (10...Bc7 11.d4 d5 12.Ne5 Ne4 13.Ne4 de4 14.0–0+/–) 11.b5! cb5 (11...ab5 12.Ra8 Pinning (12.Ra8 Deflection); 11...cb5 12.Nb5) 12.Nb5!+– Bb7 13.Nd6 Qd6 14.Be5 Qc6? 15.Bb8 Rb8 16.Qe5 Kd8 17.Qb8 Bc8 18.Qb3 Ne4 19.Ne5 Nd6 20.Nc6 dc6 21.Qb8 Nb5 22.Bb5 ab5 23.Rd4 Ke7 24.Qd6 Ke8 25.Qd8# 1–0. pierred – valerypavlovic, internet, 2010.

2.Bb2 d5 3.Nf3 e6 4.a3 Nf6 5.e3 c6 (--> 1.b4 c6 2.Bb2 d5 3.e3 Nf6 4.Nf3 e6 5.a3 h6).

2.Bb2 e5 (--> 1.b4 e5 2.Bb2 h6).

2.Bb2 e6 (--> 1.b4 e6 2.Bb2 h6).

2.Bb2 f5? 3.e3 (better is 3.e4 e6 4.Qh5 Ke7 5.ef5+/–) 3...b6?? (3...e6 4.Qh5 Ke7 5.Nf3+=) 4.Nf3 (4.Qh5 g6 5.Qg6) 4...Bb7 (4...e6 5.Ne5 Nf6 6.Be2+/–) 5.Be2 (5.Nh4!? Bd5 6.Ng6 Rh7+–) 5...Nf6+/– 6.c4 (6.Ne5 h5+/–) 6...d6 (6...e6 7.Ne5 Rg8 8.Bh5 g6 9.Bg6 Ke7 10.e4=) 7.d4 Nbd7 (7...e6 8.Nc3+=) 8.Nbd2 (8.d5!?+/–) 8...e6+= 9.0–0 Be7 10.a3 0–0 11.Rc1 Ne4 12.Ne4 fe4 13.Nd2 Bg5 14.c5 dc5 15.dc5 bc5 16.bc5 Nf6 17.Qb3?? Bd5?? 18.Bc4 Rb8 19.Qc3 Qe7= 20.Ba6 Nd7–/+ 21.c6? Bf6–+ 22.Qc2?? Ne5 23.Be5 Be5 24.Bb7 Qd6 25.g3 Qa3 26.Nc4 Bc4 27.Qc4 Qe7 28.Qa6 h5 29.Qa7 h4 30.Qc5 Qf6 31.f4?? Bd6?? 32.Qc3 Qg6 33.Qe1 e5= 34.Rc4 ef4–/+ 35.ef4 Rbe8 36.Qe3+= Qe6 37.Ba6 hg3 38.hg3 Qf5 39.Kg2 Kf7 40.Re1 Rh8 41.Rh1?? Rh1–/+ 42.Kh1 Rh8 43.Kg1 Qh3 44.Re4?? Qh1 45.Kf2 Rh2 1–0. Fournier,Frederic (1995) – kalex1v (1860), Chess21, 2002.

2.Bb2 g5 3.g3 Nf6 4.Nf3 Bg7 5.d3 Rg8 6.Nbd2 c6 7.Bg2 d6 8.a3 Qb6 9.0–0 a5 10.Nc4 Qb5 11.c3 d5 12.Ncd2 ab4 13.cb4 g4 14.Ne5 Nh5 15.Qc2 d4 16.Nec4 Nd7 17.Ne4 Ne5 18.Ned2 Nc4 19.Qc4 Qc4 20.Nc4 b5 21.Nb6 Bb7 22.Na8 Nf6 23.Nb6 h5 24.Rac1 h4 25.Bc6 Bc6 26.Rc6 hg3 27.hg3 Kd8 28.Bd4 e6 29.Bc5 Nd5 30.Rd6 Kc7 31.Nd5 ed5 32.Rd5 Bb2 33.Bd4 Ba3 34.Bc5 Bb2 35.Rf5 Rg7 36.Rb1 Bc3 37.Rc1 Bd2 38.Rc2 Bh6 39.Bd4 Kd6 40.Bg7 Bg7 41.Rf7 Be5 42.e3 1–0. giorgo – 090909090, playok.com, 2012.

2.b5 a6 3.c4 d5 4.cd5 ab5 5.e4 Nf6 6.Bb5 c6 7.Bd3 cd5 8.Ne2 (8.e5!? Ng4 9.Nf3+=) 8...de4 9.Bb5 Bd7 10.Bd7 (10.Nbc3 Bb5 11.Nb5 e5–/+) 10...Nbd7 (10...Kd7?! 11.0–0+=; 10...Nfd7?! 11.Nbc3 Nc5 12.0–0–/+) 11.0–0 e6 12.a4 (12.d3 Nc5 13.de4 Qd1 (worse is 13...Nfe4 14.Nbc3–/+) 14.Rd1 Nb3 15.ab3 Ra1–+) 12...Ne5 13.Qb3 Bd6 14.Ba3 0–0 15.Qb7 (15.Bd6 Qd6 16.Nbc3 Rfc8–+) 15...Ba3 16.Na3 (16.Ra3 Qd6 17.Ng3 Nc4–+) 16...Qd2 17.Ng3 Qf4 18.Ne2 Qg5 19.Nb5 (19.Ng3 Rfb8 20.Qc7 Nfg4–+) 19...Nd5 20.Ng3 (20.Nc7 Rab8 21.Qa7–+) 20...Rfb8 21.Ne4 (21.Qa8 Ra8 22.Ne4 Nf3 23.Kh1 Qf4–+) 21...Nf3 22.Kh1 Qf4 23.Qc6 Qh2# 0–1. PN – marekt, internet, 2010.

2.b5 b6 3.a4 Bb7 4.c4 e6 5.Qc2 a6 6.e4 ab5 7.cb5 c6 8.Bb2 cb5 9.ab5 Ra1 10.Ba1 Nf6 11.Bd3 g6?? 12.h3?? d5? 13.e5?? Nfd7 14.Nf3 Nc5 15.h4 Nd3 16.Qd3= h5 17.Bc3 Bg7 18.Bd4 Nd7 19.Ng5 Nc5 20.Bc5 bc5=+ 21.Qf3 Qe7 22.Rh3? Be5–+ 23.Nc3? d4 24.Nce4? f6 25.Qa3 fg5 26.Ng5 Bg2 27.Rb3 Qb7 (28.Qc5 Bd5–+; better is 27...0–0 28.d3–+) 0–1. riverborne – ConMan, Live Game Caissa's Web, 2005.

2.b5 Nf6 3.Nf3 =.

2.Nc3 e6 3.a3 Nf6 4.e4 d5 5.e5 d4 6.Na4 Nfd7 7.f4 a6 8.Nf3 Nc6 9.Nb2 (9.c4!?= g5) 9...g5 (9...Nb6+=) 10.g3 gf4 11.gf4 Rg8 12.c3 Nb6 13.c4 Bd7 14.Be2 Rg4 15.d3 Rg7 16.Qb3 Ne7 17.Nd4 Bc6 18.Nc6 Nc6 19.Qc3 Nd4 20.Be3 Qh4 21.Bf2 Ne2 22.Ke2 (22.Bh4? Nc3 23.Kd2 Rg4–+) 22...Qf4 23.Qd4 Qg5 24.Qe4 a5 25.Rag1 Qh5 26.Kd2 ab4 27.ab4 Rg1 28.Rg1 Nd7 29.Qb7 Ra2–/+ 30.Qc8 Ke7 31.Bg3 Rb2 32.Kc3 Re2 33.Qc7 Bg7 34.Qd6 Ke8 35.Kb3 Rd2 36.Bf4 Bf8 37.Qd4 Bc5 38.Qc3 Bg1 39.Qd2 Ne5 40.Be5 Qe5 41.Qh6 Be3 42.Qh4 Bd2 43.c5 Qc3 44.Ka4 Qd3 45.Qh8 Ke7 46.Qe5 f6 47.Qc7 Qd7 48.Qd7 Kd7 49.b5 f5 50.Kb3 Bg5 51.Kc3 f4 52.c6 Kc7 (52...Kc7 53.Kd2 f3 54.Kd1 Bh4–+) 0–1. Al_Deeb – marekt, ChessWorld.net, 2011.

2.c4 e6 3.a3 Qf6 4.Nc3 a6 5.Bb2 Ne7? (5...Qg6 6.Nf3+=) 6.Rb1?? (6.Nb5 Qb2 7.Nc7 Kd8 8.Na8 g6+–) 6...b6?? (better is 6...e5+=) 7.Nd5+– Qh4 8.Nc7 Kd8 9.Na8 b5 10.cb5 ab5 11.Nb6 Nbc6 12.Nc8 Nc8 13.Nf3 Qf4 14.e3 Qc7 15.Bb5 N8a7 16.Ba4 Be7 17.Rc1 f6 18.Nd4 Bd6 19.Nb5 Nb5 20.Bb5 Ke7 21.Qa4 Qb7 22.Bc6 dc6 23.Qc6 Qc6 24.Rc6 Rd8 25.0–0 h5 26.d4 Kd7 27.Rfc1 g5 28.b5 h4 29.Rd1 Rb8 30.a4 Ra8 31.Ra6 (31.Ra6 Rb8 32.Rc1+–) 1–0. grahamtrue (2125) – kecker (2125), net–chess.com, 2011. (=1.c4 h6 2.b4)

2.d4 e5 3.a3 ed4 4.Nf3 =.

2.d4 e6 3.Bd2 (3.a3 Nf6=) 3...Nc6 4.c3 Nf6 (4...d5 5.Bf4=) 5.f3 (5.Bf4!?=) 5...d5+= 6.Qa4 (6.Qc2 Bd6+=) 6...Bd7 (6...Bd6 7.b5 Nb8 8.e3+=) 7.b5 Ne7 8.c4 (8.e3!?+=) 8...a6–/+ 9.Qb3 (better is 9.Qc2!? ab5 10.cd5 ed5 11.e4–/+) 9...dc4–+ 10.Qc4 Bb5 11.Qc2 Qd4 12.Bc3 Qa7 (12...Ba4 13.Qc1 Qc5 14.Qf4–+) 13.Bf6 (13.a4 Bc6–+) 13...gf6 14.Nc3 Nf5 15.Nb5 ab5 16.e4 Bb4 17.Kd1 0–0–0 18.Kc1 Ba3 19.Kb1 Qa5 20.Be2 Qe1 (20...Qe1 21.Qd1 Rd1 22.Bd1 Qd1#) 0–1. nnstudios – marekt, internet, 2010.

2.e3 e5 3.Bb2 e4 4.b5 d5 5.c4 a6 6.a4 (6.cd5!? Qd5 7.Nc3+=) 6...ab5= 7.ab5 Ra1 8.Ba1 Nf6 9.Nc3 Qe7 (better is 9...dc4!? 10.Qc2 Bf5+=) 10.cd5+= Qc5 11.Nge2 Nd5 12.Ne4 Qb5 13.N2c3 Nc3?? (better is 13...Qd7+=) 14.Bb5+– (14.Bb5 Nb5 15.Qa4+–; 14.Nc3?! Qb4=; 14.dc3?! Qc6 15.Qb1 Qg6=; 14.Bc3?! Qc6 15.Ng3 Nd7+=) 1–0. ariank – doniczka154, kurnik, 2012.

2.e4 d6 3.d4 g6 4.Bc4 Bg7 5.Nf3 a6 6.Nc3 b5 7.Bb3 Nc6 8.Bd5 Bb7 9.a4 ba4 10.Ra4 Rb8 11.Bc6 Bc6 12.Ra6 Qd7 13.Ba3 e6 14.0–0 Ne7 15.Ra7 0–0 16.g3 Kh7 17.Qe2 Nc8 18.Ra6 Bb7 19.Ra5 Nb6 20.Bc1 Ra8 21.Bf4 Ra5 22.ba5 Na4 23.Na4 Qa4 24.Rb1 Bc6 25.c4 Qa5 26.d5 ed5 27.cd5 Bd7 28.Bd2 Qa8 29.Rc1 Qd8 30.Ba5 Bg4 31.Qe3 Qf6 32.Nd2 h5 33.Bc3 Qe7 34.Bg7 Kg7 35.Qc3 Kh7 36.Qc7 Qc7 37.Rc7 Kg7 38.f3 Bh3 39.Nc4 Ra8 40.Nd6 Ra1 41.Kf2 1–0. marus1 – BabyFace, internet, 2001.

2.f3 d5+= 3.g4? (3.Bb2 Nd7+=) 3...g5 (better is 3...e5!? 4.Nh3 Bb4–+) 4.h4 gh4 5.b5 f6 6.Bh3 (6.d4 h5 7.Rh4 Qd6+=) 6...f5 (better is 6...h5–/+) 7.Bf1?? (better is 7.Bb2 Nf6 8.gf5=) 7…Qd7 ˝–˝. Hermans,Marcel M (1900) – Cross,Andrew (1605), IECC, 2000.

2.Nf3 a5 3.b5 Nf6 4.Bb2 d5 5.e3 e6 6.c4 Nbd7 7.Nc3 b6 (7...Nb6 8.cd5 ed5 9.Be2=) 8.cd5+= ed5 9.Be2 Bd6 10.Qc2 0–0 11.Rc1 Nc5 12.Nd4 Re8 13.Bf3 Bb7 14.0–0 g6 15.d3 Rc8 16.Nc6 Bc6 17.bc6 Be7 (17...Na6 18.a3+/– (worse is 18.Nd5 Nd5 19.Bd5 Nb4 20.Bf7 Kf7 21.Qc4 Kf8+=; worse is 18.Bd5 Nb4 19.Bf7 Kf7 20.Qb3 Kg7–/+)) 18.Nb5 (18.d4 Na6+/–) 18...Ne6 19.Rfd1 Ng5 20.Be2 Nfh7 21.e4 Bf6 22.Bg4 Ne6 23.Re1 Bb2 24.Qb2 de4 25.de4 Qg5 26.Be6 Re6 27.Rcd1 Nf6 (27...Rc6?? 28.Na7+–) 28.e5 (28.f3 Qc5 (28...Rc6? 29.Na7 Qc5 30.Kh1+–) 29.Kh1 Qg5+= (worse is 29...Qc6 30.Na7 Qe8 31.Nc8 Qc8 32.Re3+/–)) 28...Ng4= 29.Nd4 (29.Rd5!?=) 29...Re5+= 30.Nf3 Re1 31.Re1 Qf4 32.h3 Nf6 33.Qb3 Re8 34.Rd1 Qe4 35.Qc3 Nd5 36.Qd2+= Nf6 37.Qc3 Re6 38.Qa3 Qc6 39.Rd8 Re8 40.Ne5 Qe6 41.Re8 Ne8 42.f4 Nd6 43.Qc3 c5 44.Ng4 Nb5 45.Qf3? Nd4 46.Qa8 Kg7 47.Qb8 h5 48.Nh6 Qf6 49.g4 Qf4! 50.Qg8 Kh6 51.Qh8 Kg5 52.Qd8 f6 (52...f6 53.Qe8 Qg3 54.Kf1 Qh3 55.Ke1 Qc3 56.Kf2 Qd2 57.Kf1 Qf4 58.Ke1 hg4–+) 0–1. Verhoeven,Tom – Bernink,Henk, NED–chT, 1995. (=1.Nf3 h6 2.b4 a5)

2.Nf3 a6 3.e4 d6 4.d4 Bg4 5.h3 Bh5 6.Bd3 Nf6 (6...e5 7.d5+=) 7.0–0 e5 8.d5 c6 9.Nc3 cd5 10.ed5 Be7 11.Re1 0–0 12.Bd2 b5 (12...Nfd7!?+=) 13.a4 Nbd7 14.ab5 ab5 15.Ra8 Qa8 16.Bb5 Nb6 17.Bc6 Qa3 18.Qa1 Qb4? 19.Rb1+– Qc5 20.Be3 Qc4 21.Nd2 Qh4 22.Rb6 Bg6 23.Rb7 Nh5 24.Qa4 1–0. market (2175) – Not_today, GameColony.com, 2002.

2.Nf3 b6 3.Bb2 Bb7 4.e3 e6 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 e6 4.Nf3 h6).

2.h3 Nf6 3.Nc3 e6 4.a3 Bd6 5.e3 0–0 6.Nf3 a6 7.Bd3 c5 8.bc5 Bc5 9.Na4 d6 10.c4 b5 11.cb5 ab5 12.Nc5 dc5 13.Bb5 Ba6 14.Ba4 Nd5 15.Bb2 Bd3 16.Ne5 Nb6 17.Bc2 Nc4?? (better is 17...Bc2 18.Qc2 Na4+/–) 18.Nc4+– (18.Bd3?! Nb2 19.Qc2 Nd3 20.Nd3 Nd7+/–) 18...Bc4 19.Qg4 g6 20.Bg6 (better is 20.Qc4!? Nd7+–) 20...fg6 (20...Qg5 21.Be4 Bd5 22.Bd5 ed5+–) 21.Qg6# 1–0. nakpim – lucky54b, kurnik, 2012.

2.h4 Nf6 3.Nc3 (3.Nf3 d5+=) 3...e5–/+ 4.e4 (4.a3!?–/+) 4...Bb4–+ 5.a3 (5.Nge2 Nc6–+) 5...Bc3 6.dc3 Nc6 7.Nf3 (7.Bb5–+) 7...Ne4 8.Qd3 Nc5 9.Qc4 d6 10.Be3 Be6 11.Qb5 a6 12.Qb2 b6 13.c4 0–0 14.Be2 Na4 15.Qb3 b5! 16.0–0 Na5 17.Qb4 c5 18.Qd2 e4 19.Nh2 Bc4 20.g3 f5 21.Bf4 Be2 22.Qe2 d5 23.f3 Nc4 24.fe4 de4 25.Rfd1 Nc3 26.Rd8 Ne2 27.Kf2 Rad8 28.Nf1 Nc3 29.Ne3 Rd2 30.Kf1 Ne3 31.Ke1 Re2# 0–1. valerypavlovich (2115) – acidtest, net–chess.com, 2010.

2.a3 Nf6

3.c4 d5 4.cd5 Nd5 (4...e6 5.e3=) 5.e3 Consolidates f4 5...f5?? throwing away the advantage (5...Bf5!?= is worth consideration) 6.d4?? ignoring the path to victory (better is 6.Qh5 seems even better 6...Kd7 7.Nf3+–) 6...g5? (6...g6 7.Bc4+=) 7.Nf3 (7.Qh5 Kd7 8.Qf7 Kd6+–) 7...f4? Black gains space (better is 7...g4 and Black has air to breath 8.Ne5 Nd7+=) 8.Ne5+– c6?? sad, but how else could Black save the game? (better is 8...g4 9.e4 Nb6 10.Bf4 Bg7 11.Bb5 c6+–) 9.Ng6 White threatens to win material: Ng6xh8 (9.Qh5) 9...Rg8+– 10.Nf8 (10.Ne5 Qc7 11.Bd3 Kd8+/–) 10...fe3 (10...Rf8 11.Qh5 Kd7 12.ef4+=) 11.Nh7 (11.Qh5 Kf8 12.Qh6 Rg7 13.fe3 Qd6 14.Qd6 ed6+/–) 11...Rh8? (better is 11...ef2 12.Kf2 Rg7+/–) 12.Bd3 ˝–˝. Reiss,Stephanie – Reiss,Konstanze, GER–ch op (Women), 2000.

3.e3 e5 =.

3.Nf3 d5 =.

3.h3 e5+= 4.e4 (4.Bb2 d6+=) 4...Ne4 5.Bc4 (5.Qe2!? d5 6.d3+=) 5...d5–/+ 6.Ba2 (6.Bb3 c6–/+) 6...a5 7.b5?? (better is 7.Qe2–/+) 7...Bc5–+ 8.Qf3 Bf2 (8...Nf2?! 9.Rh2 Ne4 10.Ne2–+) 9.Kf1 Bh4 10.Ne2 Ng5 11.Qe3 Qf6 12.Nf4 d4 13.Qe2 d3 14.Qe3 0–0 15.Qd3 Qf4 16.Ke2 Bg4! 17.hg4 Qg4 18.Qf3 Nf3 19.Kf1 Nd2! 20.Nd2 Qd1# 0–1. nwalker08 – marekt, internet, 2010.

2.a3 g5

3.Bb2 f6 4.d3 (4.e4 h5+/–) 4...e6 5.Nd2 Bg7 6.g3 (6.e4 Qe7+/–) 6...Ne7 7.Bg2 Nbc6 8.Ngf3 d6 9.0–0 Bd7 10.e4 Ng6 11.c4 Qe7 12.d4 Qf7 13.e5 (13.b5 Nce7+=) 13...0–0–0?? (better is 13...fe5 14.b5 Nd4 15.Nd4 ed4 16.Bb7 Rb8+=) 14.ed6 cd6 15.Qb3 (15.Ne4 Bf8+/–) 15...h5 (15...g4!? 16.Ne1 f5=) 16.d5 Nce5 17.de6 Be6 18.Rac1 Kb8 19.Qe3 h4 20.Ne5 Ne5 21.Qe4 hg3 22.fg3 d5?? 23.Qe3?? Nc4 24.Nc4 dc4 25.Bd4 a6 26.Bb6 Rd3+= 27.Qf2 Qh5 28.Ba7 Ka8 29.Bb7? Kb7–+ 30.Qb6 Kc8?? 31.Qc6?? Attacking the isolated pawn on c4 31...Kd8–+ 32.Bb6 Ke7 33.Rf2 Rd1 34.Rd1 Qd1 35.Rf1 Qd7 36.Bc5 Kf7 37.Qa6 f5 38.Qd6 Qd6 39.Bd6 Bd4 40.Rf2 Bf2 41.Kf2 Rh2 42.Kf3 c3 43.Bc5 c2 44.Be3 Bd5# 0–1. golfx – 100problemas, kurnik, 2012. (=1.a3 h6 2.b4)

3.Bb2 Nf6 4.e4 =.

3.Bb2 Nf6 4.Bf6 ef6 5.Nc3 Bg7 6.e4 0–0 7.Bc4 d6 8.Nge2 f5 9.ef5 Bf5 10.0–0 c6 11.Ng3 Bg6 12.f4 d5 13.Be2 d4 14.Na4 (14.f5 dc3 15.fg6 Qd4 16.Kh1 fg6 17.dc3 Rf1 18.Qf1 Qc3 19.Rd1=) 14...d3–+ 15.cd3 Ba1 (better is 15...Qd4!? 16.Kh1 Qa1 17.Qa1 Ba1 18.Ra1 gf4–+) 16.Qa1–/+ gf4 (16...Bd3 17.Nh5 f6 18.Bd3 Qd3 19.Nf6 Kf7 20.Nc5+–) 17.Ne4 Be4 18.de4 Qd2 19.Bh5 Nd7 20.Nc3 Nf6 21.Bf3 Rad8 22.Kh1 Kg7 (22...Qd4 23.Qe1–+) 23.Ne2 Qd3 24.Nf4 Qd4 25.Qe1 Qe5 26.Ne2 Qg5 27.Ng3 Rde8 28.Qa1 Kg6 29.Nf5 Nd7?? 30.h4 Qf6–/+ 31.Qc1 Ne5?? 32.Qh6# 1–0. studentemeryt (1695) – biged, kurnik, 2012. (=1.a3 h6 2.b4)

2.Bb2 a6

3.c4 d6 4.e4 Nf6 5.Bd3 e5 6.Nf3 Bg4 7.0–0 Be7 8.h3 Bf3 9.Qf3 (9.gf3 Nh5 10.f4 Nf4–+) 9...Nc6 10.b5 ab5 11.cb5 Nd4 12.Bd4 ed4 13.a4 b6 14.Re1 Qd7?? (better is 14...Nd7=) 15.e5+– Ng8 (15...0–0 16.ef6 Bf6+–) 16.Qa8 Bd8 17.ed6 Kf8 18.a5 Qd6 19.ab6 Nf6 20.bc7 Qc7 21.Ra7 Qb6 22.Bc4 Kg8 (22...Ne4 23.Rf7 Kg8 24.Rf6 Qe6 25.Be6 Kh7 26.Qe4 g6 27.Qg6) 23.Bf7 (23.Rf7 Kh7 24.Bd3 Kg8 25.Qa2 Ne4 26.Rf6 Qe6 27.Qe6 Kh7 28.Be4 g6 29.Qf7) 23...Kh7+– 24.Bc4 Qc5 25.Bd3 Kg8 26.Qd8 Qf8 27.Qf8 Kf8 28.Ra8 (28.Bg6 Ne4 29.Re4 h5 30.Re8) 28...Kf7 29.Rh8 1–0. rcm06 (1905) – chesster0097, gameknot.com, 2012.

3.e3 Nc6 4.a3 d6 5.Nf3 f6 (5...Nf6!?=) 6.d4 (6.Nh4 g5 7.Ng6 Rh7+/–) 6...Na7 (6...Bg4!?+/–) 7.Nh4+– e5?? (better is 7...h5+–) 8.Qh5 Kd7 9.Bd3 (better is 9.Ng6 Qe8 10.Be2+– (10.de5?! fe5 11.Qh3 Kd8+–)) 9...Ne7+/– 10.de5 Qe8? 11.Qe8+– Ke8 12.ef6 gf6 13.Bf6 Rg8 14.g3 Nac6 15.f3 Kf7 16.Bb2 b5 17.Bh7 Rg5 18.Nd2 Bf5? 19.Nf5 Nf5 20.Bf5 Rf5 21.0–0 Re8 22.e4 Rg5 23.f4 Rg4 24.Kg2 Re6 25.h3 Rg8 26.f5 Re8 27.Rae1 Be7 28.h4! Bh4 29.Rf3 Rg4?? 30.Kh3+– Reg8 31.gh4 Nb8 32.Ree3 h5 33.Rg3 Rf4 34.Rg8 Kg8 35.Rf3 Rg4 36.Bd4 Nd7 37.Rg3 c5 38.Bc5! dc5 (38...dc5 39.Rg4 Combination; 38...Nc5 39.Rg4 Double attack (39.Rg4 Decoy)) 1–0. Fournier,Frederic – vesperon, Active, 2005.

3.e3 Nc6 4.a3 e5 5.c4 d6 6.b5 ab5 7.cb5 Nb8 8.Nf3 Nf6 9.Nc3 Be7 10.d4 ed4 (10...e4 11.Nd2 d5 12.Be2=) 11.ed4 0–0 12.Bd3 Bg4 13.0–0 Nbd7 14.Re1 Re8 15.h3 Bh5 16.g4 Bg6 17.Bg6 fg6 18.Qb3 Kh7 19.Qf7 Bf8 (better is 19...Ng8!?+=) 20.g5+/– Re7? (better is 20...Ng8+/–) 21.Re7+– Qe7 22.Qe7 Be7 23.gf6 Bf6 24.Kg2 Nb6 25.a4 1–0. Janek – Andrew, internet, 2016.

3.e3 Nc6 4.c4 Nb4 5.a3 Nc6 6.d4 e6 7.Nf3 Bd6?? (7...d5 8.Nbd2=) 8.g3 (better is 8.d5 Nce7 9.c5 Bc5 A) 10.Bg7?! Rh7 11.Bb2 d6= (11...Nd5? 12.Qc2+–; 11...ed5? 12.Qc2+–); B) 10.Qc2+/–) 8...Nf6=+ 9.Bg2 Ne4 (9...b5 10.c5 Be7 11.0–0=+) 10.0–0 0–0 11.Nbd2 Qf6?? (better is 11...Nd2 12.Nd2 b6=) 12.Ne4+– Qg6 13.Nd6 cd6 14.Rc1 f5 15.Nh4 Qf6 16.d5 (better is 16.Qb3 Ne7+–) 16...Qb2 17.dc6 dc6 18.Qd6 Qa3 (18...Qf6+–) 19.Qa3 Bd7 20.Rcd1 Rad8 21.Rd6 (21.Qa5 Kh7+–) 21...Rf6 22.Rc1 (better is 22.Rfd1 Rf7+–) 22...e5 23.Rd7 Rd7 24.Qb3 (24.Qc5 g5 25.Qe5 Rdf7+–) 24...e4 25.Rd1 Re7 26.Rd8 Kh7 27.c5 g5 28.Qg8 1–0. slavisa10 – AbrahamLinbloom, Live Game Caissa's Web, 2004.

3.e3 e6 4.a3 Nf6 5.Nf3 d5 6.d3 Nbd7 7.Be2 c5 8.bc5 Bc5 9.0–0 b5 10.Nbd2 Bb7 11.a4 ba4 12.Ra4 Bc6 13.Ra2 Qc7 14.Qa1 0–0 15.Ne5 (15.Ra6?? Ra6 16.Qa6 Ra8 17.Qa8 Ba8–+) 15...Bb7 (better is 15...Ne5!? 16.Be5 Bd6 17.Bd6 Qd6+=) 16.Nd7+– Nd7 17.Bg7 Rfe8 18.Bh6 e5 19.Bg4 Nf6 20.Bf5 Qc6 21.Nb3 Bf8? (better is 21...Bb4+–) 22.Na5 Qc7 23.Bf8 (23.Nb7?! Bh6 24.Na5 Red8+–) 23...Kf8 24.f4 e4 (24...Bc8 25.fe5 Bf5 26.Rf5 Ng4+–) 25.Qf6 Rad8 (25...Ra7 26.Nb7 Qb7 27.de4+–) 26.Qh6 (better is 26.Nb7 Qb7 27.Ra6 ed3 28.Qh8 Ke7 29.Qh4 Kf8+–) 26...Ke7 27.Nb7 Qb7 28.Ra6 ed3 29.Qh4 Kf8 30.Rh6 (30...Qb2 31.Rh8 Qh8 32.Qh8 Ke7 33.Qh4 Kf8 34.Rb1+–) 1–0. b4_player (2150) – DurianD8, GameColony.com, 2004.

3.g3 b6 4.Nf3 Bb7 5.Bg2 e6 6.0–0 Ne7 (6...Nc6!?= 7.Na3 Nb4 8.Nc4 Nf6 9.a3 Nc6) 7.Nc3 Nd5 (7...Nbc6!?+/– 8.a3 Nf5 9.e4 Nd6) 8.Nd5 Bd5 9.c4 Bb7 (9...Be4+/–) 10.Qc2 Nc6 11.a3 a5 12.b5 Ne7 13.d4 c5 (13...Ng6!?+/–) 14.dc5+– bc5 15.Rad1 Qc7 16.Be5 Qb6 (16...Qd8 17.Rfe1+–) 17.Rd6 Qd8 18.Rfd1 Nd5 19.cd5 Bd6 20.Bd6 Bd5 21.Rd5! ed5 22.Qc5 Rc8 23.Qe3 Qe7 24.Qe7# 1–0. pierre – potyq, internet, 2010.

2.Bb2 b6

3.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 h6).

3.Nf3 Bb7 4.e3 d6 5.Be2 e6 6.0–0 Nf6 7.Bf6 Qf6 8.c3 Nd7 9.d4 c5 10.Nbd2 Be7 11.bc5 dc5 12.Qc2 0–0 13.a3 Rfc8 14.Rac1 e5 (14...cd4 15.ed4 Ba3 16.Ra1–/+) 15.Qd3 ed4 16.cd4 cd4 17.Nd4 Nc5 18.Bf3?? (better is 18.Qf5=) 18...Nd3–+ 19.Ra1 (19.Rc8 Rc8 20.Bb7–+) 19...Bf3 20.N2f3 Bc5 21.Rad1 Ne5 22.Ne5 Qe5 23.Nf3 Qf6 24.h3 Rd8 25.Rc1 Ba3 26.Rb1 Bc5 27.Rfe1 a5 28.e4 a4 29.Re2 a3 30.Ra2 Ra4 31.e5 Qf5 32.Re1 g5 0–1. workchess (2265) – hobgoblin (2205), net–chess.com, 2011.

2.Bb2 d6

3.e3 f6 4.g3 g6 5.Bg2 Bg7 6.Ne2 Be6 7.a3 Nc6 8.d3 h5 9.Nd2 Nh6 10.d4 d5 11.Nf4 Bf7 12.Rc1 e5 13.de5 fe5 14.Ne2 Qd7 15.c4 d4 16.b5 de3 17.fe3 Ne7 18.0–0 0–0–0 19.Ne4 Qf5 20.Qa4 Kb8 21.Rf5 Nef5 22.Kf2 Ng4 23.Kf3 Nh2 24.Kf2 Ng4 25.Kg1 Nge3 26.Ng5 Rhf8 27.Nf7 Rf7 28.c5 Ng2 29.Kg2 Ne3 30.Kg1 Rdf8 31.b6 ab6 32.cb6 cb6 33.Qe4 Bh6 34.Be5 Ka8 35.Qa4 1–0. exp2005 – luizlima45, kurnik, 2012.

3.Nf3 e5 (--> 1.b4 e5 2.Bb2 d6 3.Nf3 h6).

2.Bb2 f6

3.e3 e5 4.Qh5 g6 (4...Ke7!?+/–) 5.Qg6+– Ke7 6.Nc3 d6? (better is 6...d5+/–) 7.Nd5+– Ke6 8.Bc4 Kd7 9.Qf5 (better is 9.Qf7 Ne7 10.Bd3+– (10.Qf6?! Nd5 11.Qh8 Nb4+–; worse is 10.Nf6 Kc6+–)) 9...Kc6 (9...Ke8 10.Qh5 Kd7 11.Qf7 Ne7+–) 10.b5 Kc5 11.Ba3 Kc4 12.Qd3# 1–0. pierred (2760) – mduerr (1700), net–chess.com, 2010.

3.e4 a6?? 4.Qh5 g6 5.Qg6# 1–0. Wall,Bill – Xavier Kyle, Internet, 2003.

3.e4 h5 +/–.

2.Bb2 Nf6

3.a3 e6 4.e3 g6 (4...a5 5.b5=) 5.Nf3+= Bg7 6.d4 Nh5 (6...d5 7.Bd3+=) 7.c4 c5 (better is 7...d5!?+=) 8.bc5+– d6 9.cd6 Qd6 10.Nc3 Nc6 11.Bd3 Qe7 12.Qc2 Nf6 (12...0–0 13.0–0+–) 13.0–0 (13.d5 Nd8+–) 13...Bd7 (13...0–0 14.e4+–) 14.d5 Nd8 15.de6 Be6 16.Rfe1 (16.Nd5 Bd5 17.cd5 0–0+–) 16...Nc6 (16...0–0 17.e4+–) 17.Rad1 (17.Nd5 Qd8 18.Rad1 Rg8+–) 17...0–0 18.Nd4 Kh7 19.Nc6 bc6 20.Ne4 Ne4 21.Be4 f5? 22.Bg7+– Qg7 23.Bf3 Rad8 24.Rd8 Rd8 25.Rd1 Rd1+/– 26.Qd1 Bc4 27.Qc1 Bb5 28.Qc2?? a6 29.g3 Qf7?? 30.Kg2 Qf6? 31.Be2?? Kg7 32.Bb5 ab5 33.Qc5 Kf7 34.h3 Qe6 35.Qa7 Qe7 36.Qc5?? Qc5–+ 37.h4 Qd5 38.Kg1 b4! 39.ab4 0–1. Fournier,Frederic (1700) – Invitado3813, Active, 2006.

3.a3 e6 4.Nf3 c5 5.bc5 Bc5 6.e3 d5 7.c4 Nc6 8.Nc3 0–0 9.d4 Bd6 10.c5 Bc7 11.Be2 b6 12.cb6 Bb6 13.0–0 Rb8 14.Rb1 Qd6 15.Bd3 (15.h3=) 15...Bb7 16.Qe2 Qe7 17.Na4 Rfc8 18.Nb6 ab6 19.Rfc1 Ne4 20.Rc2 Na5 21.Rbc1 Rc2 22.Rc2 Bc6 23.Ne5 Ba4 24.Be4 de4 25.Rc1 f6 26.Ng6 Qf7 27.Qg4 Kh7 28.Nf4 Bd7 29.Qe2 b5 30.Rc7 Nc4 31.Qh5 Rf8 32.Bc1 Qh5 33.Nh5 Rf7 34.g4 Be8 35.Rf7 Bf7 36.Ng3 Bg6 37.Kg2 Kg8 38.h4 Kf7 39.h5 Bh7 40.Ne2 g5 41.hg6 Bg6 ˝–˝. stormytlc – marekt, ChessWorld.net, 2010.

3.c4 e5 4.a3 (4.Qa4 e4=) 4...d6 5.e3 Be7 6.Nf3 e4 7.Nd4 c5 8.bc5 (8.Nc2 0–0=) 8...dc5+= 9.Nb3 Bf5 10.Nc3 Nc6 11.Be2 0–0 12.0–0 Re8 13.f3 ef3 14.Bf3 Be6 15.Be2 Ne5 16.Nd5 Nd5 17.Be5 Nb6 18.d3 Bg5 19.Bf4 Qe7 20.Bg5 Qg5 21.Qc1 (21.Rf3!?=) 21...Bh3–/+ 22.Rf2 (22.Bf3 Re3 23.Re1 Re1 (worse is 23...Rd3 24.Qg5 hg5 25.Nc5 Rf3 26.gf3+=) 24.Qe1 Rd8+=) 22...Re3 23.Qf1 (23.Bf3 A) worse is 23...Rd3 24.Qg5 hg5 25.Nc5 Rf3 26.Rf3+/– (worse is 26.gf3 Nc4 27.Nb7 Rb8+=); B) 23...Rd8 24.Be4 Rd6–/+) 23...Rae8–+ 24.Re1 Bg4 25.Nc1 Na4 26.Kh1 Nc3 27.a4 Ne2 28.Ne2 Be2 29.Rfe2 Re2 30.Re2 Re2 31.Qe2 Qc1 (31...Qc1 32.Qe1 Qe1) 0–1. Fournier,Frederic – COMP Fritz 5.32, Active, 2001.

3.d4 e6 4.a3 d5 5.Nf3 a5 6.b5 c5 7.dc5 Bc5 8.e3 0–0 9.Bd3 Nbd7 10.0–0 b6 (10...Qc7 11.Qd2=) 11.Nbd2 Re8 12.Nb3 Bd6 13.a4 e5 14.Be2 Bb7 15.h3 Rc8 16.Rc1 Qe7 17.Nh2 Ba3 18.Ba3 Qa3 19.Ra1 Qb4 20.Ng4 Ne4 21.Nc1 (better is 21.Bd3!? Ndc5 22.Nc5 Nc5 23.Bf5+=) 21...Nc3–+ 22.Qe1? (better is 22.Qd2–+) 22...Qb2 (22...Ne2?! 23.Qe2 Qc3 24.Ra2–+) 23.Nd3 (23.Nb3 f5 (worse is 23...Qc2 24.Bd1 Qg6 25.Bf3–+; worse is 23...Ne2 24.Qe2 Rc2 25.Nh6 Kf8 26.Qg4–+) 24.Ne5 Ne2 25.Qe2 Rc2–+) 23...Qc2 (23...Ne2?! 24.Qe2 Qc2 25.Nh6 Kf8 26.Qc2 Rc2 27.Nf5=) 24.Bd1 Qd3 0–1. patrikstorm (2500) – pierred (2760), net–chess.com, 2010.

3.e3 d5 4.Nf3 =.

3.e3 d6 4.d4 Nbd7 5.c4 a6 6.a3 e5 7.de5 de5 8.Nf3 e4 9.Nfd2 Be7 (9...a5!? 10.Qa4 Qe7=) 10.Nc3–/+ 0–0 11.Nce4 Ne4 12.Ne4 Nf6 (12...c5!?–/+) 13.Nf6 Bf6 14.Bf6 Qf6–/+ 15.Be2 Bf5 16.0–0 Rad8 17.Qb3 Rd2 18.Bf3 Bc2 19.Qa2 Rfd8 20.Bd5 c6 21.Rac1 1–0. b4_player (1955) – Timbang_kati, GameColony.com, 2002.

3.e3 e5 4.a3 d6 5.Nf3 =.

3.e3 g5 4.c4 Bg7 5.Be2 d6 6.d4 0–0 7.Nc3 Nc6 8.Nf3 (better is 8.b5!? Na5 9.Nf3+=) 8...Nb4+= 9.a3 Nc6 10.d5 Nb8 11.0–0 c6 12.Nd4 cd5 13.cd5 Nbd7 (13...e5 14.de6 fe6 15.Rc1=) 14.Nf5 Ne5 15.Ng7 Kg7 16.Nb5 (16.Qd4 Bg4+=) 16...Bf5 17.Rc1 Kh7 (17...a6 18.f4 gf4 19.ef4=) 18.Qd2 (18.f3 Rc8+=) 18...a6= 19.Nc7 Rc8 20.f4 (better is 20.Be5 de5 21.Qb2 Nd5 22.Qe5+=) 20...Neg4?? (20...gf4 21.ef4 Ned7+= (worse is 21...Rc7 22.fe5 Ne4 23.Qf4+=)) 21.Bg4 (21.fg5 hg5 22.Rf5+–) 21...Bg4+= 22.fg5 Rc7 23.gf6+/– ef6?? 24.Rf6 Rc1 25.Qc1 Qe7 26.Qb1 (26.Qb1 Qe4 27.Qe4 Bf5 28.Qf5 Kg8 29.Rg6 fg6 30.Qg6; 26.Qc2 Qe4 27.Qe4 Bf5 28.Qf5 Kg8 29.Rg6 fg6 30.Qg6) 1–0. Wall,Bill – Corwinofamber, chess.com, 2009.

3.e3 g5 4.Nf3 Bg7 5.Be2 Nd5?? (better is 5...d6=) 6.Bg7+– Nb4 (6...Rg8 7.Bb2 Nb4+–) 7.Bh8 Nd5 8.c4 Nb4 9.a3 N4c6 10.d4 d5 11.cd5 Qd5 12.Nc3 Qa5 13.d5 Nb4 14.ab4 Qb4 15.Ra4 Qc3 16.Bc3 Bd7 17.Rb4 a5 18.Rb7 a4 19.Qb1 a3 20.Rb8 Rb8 21.Qb8 Bc8 22.Qc8# 1–0. Trkn – nomah316, ICC, 2004.

3.e3 g6 4.Nf3 Bg7 5.c4 b6 (5...0–0 6.d4=) 6.Be2 Bb7 7.d4 Be4 (7...c5 8.bc5 bc5 9.Nc3+=) 8.d5 (8.Nc3 Bb7+=) 8...d6 (8...a5 9.ba5 Ra5 10.Nbd2 Bf3 11.Bf3+=) 9.Nbd2+/– 0–0 10.Ne4 Ne4 11.Nd4 c5 (11...e5!? 12.de6 Qf6 13.ef7 Qf7+/–) 12.dc6+– Qc7 13.b5 a6 14.0–0 ab5 15.cb5 e5 (15...d5 16.a3+–) 16.Nb3 d5? (better is 16...Nc5+–) 17.Qd5 (17.Qd5 Ra4 18.Rfd1+–) 1–0. Fournier,Frederic (2215) – NN, Active, 2004.

3.e3 Rh7 4.c4 Ng8? (4...a6!?+= 5.a3 (5.Nf3 g6 6.d4 d5 7.Be2 Nc6 8.a3 dc4 9.Bc4 b5 10.Bb3 Bg7+/– 0.78) 5...d5 6.Bf6 gf6 7.Qc2 f5 8.cd5 e6 9.de6 fe6 10.d4 Bd6+/– 0.97; 4...e5 5.a3 Nc6 6.b5 Ne7 7.Be5 Ng6 8.Bd4 d6 9.Nf3 Be6 10.Be2 d5+/– 1.09) 5.d4 (5.Nf3 Nf6+–) 5...a5 (5...Nf6 6.Nc3+/–) 6.Bd3+– Rh8 (6...g6 7.b5+–) 7.b5 d5 (7...Nf6 8.Nc3+–) 8.Nf3 e6 (8...dc4 9.Bc4 Nd7 10.Nc3+–) 9.0–0 (9.Nbd2 Nf6+–) 9...c6 (9...dc4 10.Bc4 Nf6 11.Nbd2+–) 10.cd5 cd5 11.Nc3 Be7 12.Rc1 Bf8? 13.Re1 Bd7? 14.Ne5 g5 15.Nf7 Kf7 16.Qh5 Ke7 17.Ba3 Kf6 18.Qg6# 1–0. Bonetti,Shane – Jockel (1690), ICC, 2002.

3.Nf3 d5 (--> 1.b4 d5 2.Bb2 Nf6 3.Nf3 h6).

3.e3 e6

4.a3 d5 =.

4.b5 a6 5.a4 ab5 6.ab5 Ra1 7.Ba1 d5 8.f4 (8.Nf3 Nbd7 9.Nc3 Bd6 10.Bb2 Nc5 11.Be2 0–0 12.0–0) 8...c5 (8...Bb4 9.Nf3 0–0 10.Be2 Nbd7 11.0–0 Qe7 12.Nc3) 9.Nf3 Nbd7 10.Be2 Bd6 11.0–0 0–0 12.c4 b6 13.Nc3 Bb7 14.cd5 ed5 15.d4 (15.Bb2!?+=) 15...Ng4–/+ 16.Qd2 Qe8 17.Nd1 Ngf6 18.Nf2 Qe6 19.Ne5 Ra8 20.Bc3 Ra3 21.Ra1 Ra1 22.Ba1 c4 23.Bf3 Bc8 24.Qc2 ˝–˝. ST_KAOURAS – marekt, ChessWorld.net, 2010.

4.b5 a6 5.Nf3 d5 6.a4 ab5 7.ab5 Ra1 8.Ba1 Bd6 9.d4 0–0 10.Bd3 c6 11.0–0 cb5 12.Nbd2 Qc7 (12...b4 13.Qe2+=) 13.Bb2 (13.Bb5 Bd7 14.Bd3 b5=) 13...Nc6 14.Qe2 Nb4 15.Ba3 Bd7 16.e4 Nd3 (16...de4 17.Ne4 Ne4 18.Bb4+=) 17.Bd6= Qd6 18.e5 (worse is 18.Qd3 de4 19.Ne4 Ne4 20.Qe4 Bc6–/+) 18...Nf4 19.Qe3 (19.ed6?? Ne2 20.Kh1 Ra8–+) 19...Qc7 20.Qf4 Ra8 21.Qe3 Nh7 22.Qb3 Nf8 0–1. smurfchess (2135) – pierred (2760), net–chess.com, 2010.

4.b5 a6 5.Nf3 d5 6.Ne5 ab5 7.Bb5 c6 8.Bd3 Nbd7 9.0–0 Ne5 10.Be5 Bd6 11.f4 Be5 12.fe5 Nd7 13.Qh5 0–0 14.Be2 Qb6 15.a4 Ra5 16.Qh4 (16.Ra3!?+=) 16...Ne5–/+ 17.Nc3 Qc5 18.Rab1 f6 (18...Ng6 19.Qf2–/+) 19.Qb4 (19.Rb3 Nf7+=) 19...Qb4–/+ 20.Rb4 Nf7 21.Bd3 e5 22.g4 e4 23.Be2 Nd6 24.Kg2 f5 25.gf5 Rf5 26.Rf5 Bf5 27.Rb1 Kf7 28.h4 g6 29.Kg3 Kf6 30.Kf2 Ke5 31.Rg1 c5 Black plans d4 32.d3 Ra8 33.Rd1 d4 34.ed4 cd4 35.Ne4 Ne4 (35...Ne4 36.de4 Be4–+) 0–1. pierred (2760) – acidtest, net–chess.com, 2010.

4.b5 b6 5.Nc3 Bb7 6.Nf3 Be7 7.Bd3 d5 8.0–0 Nbd7 (8...a6 9.ba6 Na6 10.Bb5 c6 11.Be2=) 9.Qe2 (9.a4 e5 10.Bf5 a6=) 9...0–0 10.a4 (10.Rfb1 e5 11.Bf5 c5=) 10...Nc5 (10...e5 11.Bf5=) 11.a5 a6 (better is 11...ba5!? 12.Ra5 c6=) 12.ba6+/– Ba6 13.Ba6 Na6 14.ab6 Nb4 (14...Qc8 15.bc7 Nc7 16.Ne5+/–) 15.Ra8+– Qa8 16.bc7 Nc2 (16...Rc8!?+/–) 17.Rc1+– Nb4 18.Nb5 (18.Na4 Na2 19.Rc2 Qb7+–) 18...Rc8 19.Ra1 (19.Bf6 Bf6 20.Nd6 Na2+–) 19...Qb7 20.Ra7 (20.Ne5 Nc2 21.Rc1 Rc7 22.Nc7 Qb2+–) 20...Qb6+/– 21.Bd4 Bc5 22.Bc5 Qc5 23.Ra4 Ne8 24.d4 Qc1? 25.Qe1+– Qe1 26.Ne1 Nc6 27.Ra6 Nb4? 28.Rb6 Nc7 29.Nc7 Rc7 30.Rb4 Rc1 31.Kf1 Kf8 32.Rb8 Ke7 33.Rb7 Kf6 34.Ke2 Ra1 35.Nd3 Kg6 36.Ne5 Kg5 37.Rf7 g6 38.Nf3 Kh5 39.h3 g5 40.g4 Kg6 41.Ne5# 1–0. marre – Menschi86, internet, 2010.

4.b5 c6 5.Nf3 Bd6 6.c4 a6 7.bc6 dc6= 8.d4 b6 9.Nbd2 Bb4 10.Bd3+= 0–0 11.0–0 Qc7 12.a3 Bd2 13.Qd2+/– Nbd7 14.e4 Ng4 15.e5 c5 16.h3 Bb7 17.hg4 Bf3 18.gf3 cd4 19.f4 g6 20.Bd4 Nc5 21.Bc2 Rad8 22.Qe3 Rd7 23.Rfd1 Rfd8 24.f5 g5 25.f6 Rc8 26.Qh3 (26...Rf8 27.Qh6 Rd4 28.Qg7#) 1–0. Zimmermann,Joerg – Munkwitz,Wolfgang, TSC–CC–05.07, 2003.

4.b5 d5 5.Nf3 =.

4.d4 Bb4–/+ 5.Bc3 c5 6.Bc4 Qa5 7.Bb4 Qb4 8.c3?? (better is 8.Nd2–/+ cd4 9.ed4 d5 10.Rb1 Qa5 11.Bb5 Nc6 12.Qc1) 8...Qc4–+ 9.Nf3 0–0 10.Nbd2 (10.Qe2 Qe2 11.Ke2 b6–+) 10...Qc3 11.Rc1 Qa3 12.Rc2 (12.dc5 Na6–+) 12...b6 13.Nc4 (13.dc5 bc5 14.Nc4 Qb4 15.Nfd2 Qb7–+) 13...Qb4 14.Kf1 (14.Ncd2–+) 14...Ba6 15.Kg1 Bc4 16.h4 (16.Qd2 Qb1 17.Rc1 Qa2 18.dc5 Rc8–+) 16...Nc6 17.dc5 (17.Qc1 d5–+) 17...bc5 18.g4 (18.h5 d5 19.Qc1 Rab8–+) 18...Bd5 19.Kg2 Qg4 20.Kf1 Bf3 21.Qd6 Qg2 22.Ke1 Qh1 23.Kd2 Ne4 24.Kd3 Qf1 25.Re2 Qe2# 0–1. funnyman9 – marekt, internet, 2010.

3.Nf3 e6

4.a3 a5 5.b5 d5 6.e3 Bd6 7.a4 0–0 8.Be2 Qe7 9.0–0 e5 10.c4 (10.Ba3 e4 11.Nd4 c5 12.bc6 Nc6 13.Bd6 Qd6=) 10...e4+= 11.Ne1 dc4 12.Bc4 (12.f3 Nd5+=) 12...Nbd7 (better is 12...Bh2!? 13.Kh2 Ng4 14.Kg3 Qd6 15.f4 Ne3–/+) 13.d4 Nb6 14.Be2 Nfd5 15.Nc2 Qg5 16.g3 (16.Ba3 Be6+=) 16...Bh3–/+ 17.Re1 Rfe8 18.Nd2 Re7 19.Nc4 Re6 20.Nd6 Rd6 21.Na3 (21.Qd2!?+=) 21...Rf6 (21...Ne3 22.Qd2 Na4 23.fe3 Nb2 24.Reb1–/+) 22.Bf1 Qf5 23.Qd2 Bf1 24.Rf1 h5 25.Qd1 h4! 26.Rc1? h3 27.Rc5 Rd8 28.Bc1? Na4 29.Rc4 Nac3 (29...Nac3 30.f4 Nd1 31.Rd1 c6 32.bc6 Qg4–+) 0–1. Larryldy – pierre, internet, 2010.

4.a3 c5 5.b5 d5 6.c4 Nbd7 7.Qb3 d4 8.d3 a6 9.e3 Qa5 10.Nbd2 e5 11.Be2 Bd6 12.0–0 ab5 13.Rfe1 bc4 14.Nc4 Qc7 15.Nh4 g6 16.Nd6 Qd6 17.Bf3 Nh7 18.ed4 cd4 19.Qd5 Qd5 20.Bd5 Kf8 21.Rac1 Kg7 22.Bc4 Ra5 23.f4 Nhf6 24.Nf3 ef4 25.Re7 Rf8 26.Nd4 Nb6 27.Ne6 Be6 28.Be6 Rb5 29.Bc3 Nbd5 30.Bd5 Rd5 31.Rb7 Rd3 32.a4 Rfd8 33.Be5 R8d5 34.Rb5 Rb5 35.ab5 Rd5 36.Bf6 Kf6 37.Rb1 Rd7 38.b6 Rb7 39.Kf2 Ke5 40.Kf3 f5 41.h4 g5 42.Rb5 Ke6 43.Rb4 Ke7 44.Rb5 Kf6 45.Rb3 Kg7 46.Rb1 Rb8 47.b7 Kf6 48.Rb6 Ke5 49.h5 Kd5 50.Ke2 Kd4 51.Kf1 Ke4 52.Kg1 f3 53.g3 g4 54.Rb5 Ke3 55.Kf1 Kd4 56.Ke1 Kc4 57.Rb6 Kc5 58.Rh6 Rb7 59.Rf6 Kd4 60.Rf5 Rb1 61.Kf2 Rb2 62.Kf1 Rh2 63.Rg5 Ke4 64.Rc5 Rg2 65.Rg5 Rg3 66.h6 Rh3 67.Rg4 Ke3 68.Kg1 f2 69.Kg2 Rh6 70.Rg8 Rh2 71.Kh2 f1Q 72.Re8 Kd4 73.Rd8 Kc4 74.Kg3 Qf5 75.Rg8 Kd3 76.Rg4 Qe5 77.Kh3 Ke3 78.Ra4 Qe6 79.Kh4 Qe7 80.Kg3 Qd6 81.Kh4 Kf3 82.Kg5 0–1. COMP – COMP, blitz, 2002.

4.c3 a5 5.b5 (5.Qa4 A) 5...b6 6.e3 (6.b5 Bb7 7.d3 d5 8.e3 c6 9.Na3 Bd6 10.Be2= 0.00; 6.d3 Na6 7.b5 Nc5 8.Qc2 d5 9.c4 Bd6 10.e3= –0.03) 6...Na6 7.b5 Nc5 8.Qc2 Bb7 9.d4 Nce4 10.Bd3= 0.13; B) 5...Be7 6.e3 0–0 7.Be2 d5 8.0–0 Nbd7 9.b5 e5 10.d3= 0.00; C) 5...b5 6.Qb5 ab4 7.cb4 Nc6 8.a3 Ba6 9.Qa4 Be2 10.Qb3= –0.19) 5...d5 6.d3 (6.e3 Bd6 7.d4 0–0 8.Ba3 Ba3 9.Na3 Qd6 10.Nc2= –0.06; 6.c4 dc4 7.e3 Nbd7 8.Bc4 Nb6 9.Be2 Bd6 10.0–0= 0.25) 6...c6 7.a4 (7.c4 dc4 8.dc4 Qd1 9.Kd1 Be7 10.Ke1= –0.12) 7...Qb6 (7...Bd6 8.e3+= 0–0 9.Be2 e5 10.c4+= –0.28) 8.Ba3 (8.c4!?= Bb4 9.Nbd2 Nbd7 10.e3= 0.00) 8...cb5+= 9.Bf8 (9.ab5 Qb5 10.e3+= –0.66) 9...Kf8 (9...Rf8 10.Qb3+=) 10.Qb3+= b4 11.d4 Qd6 12.cb4 (12.e3 Kg8+=) 12...ab4 (12...Qb4 13.Nbd2+=) 13.Ne5 (13.e3 Nc6=) 13...Nc6+= 14.Nc6 (14.Nf3 Na5 15.Qd1 Nc4–/+) 14...bc6–/+ (worse is 14...Qc6 15.Qb4 Kg8 16.Nc3+=) 15.e3 Nd7 (15...c5 16.dc5 Qc5 17.Qd1–/+) 16.Bd3 (16.Nd2 e5–/+) 16...c5 17.dc5 (17.Nd2 cd4 18.ed4 Nc5–/+) 17...Nc5–+ (17...Qc5?! 18.0–0+=) 18.Qd1 (18.Qc2 Bd7 19.0–0 Ba4–+) 18...Ba6 19.Be2 Be2 20.Ke2 Ke7 21.Nd2 (21.Kf1 Qa6 22.Kg1 Na4–+) 21...Rhb8 22.Qb1 (22.Kf3 Qe5–+) 22...Na4 23.Kf3 b3! 24.Nb3 d4! 25.ed4 Qd5 (25...Qd5 26.Kg3 Nc3–+) 0–1. ucme222 – pierre, internet, 2010.

4.c3 d5 5.e3 Bd6 6.Na3 a5 7.ba5 c6 8.c4 0–0 9.Nc2 Ra5 10.d3 +=.

4.c3 d5 5.e3 Bd6 6.Be2 0–0 7.d4 Nbd7 8.0–0 Qe7 9.Na3 c6 10.Nc2 =.

4.Nc3 Bb4+= 5.e3 Nc6 6.a3 Ba5 7.Bc4 d5 8.Ba2 (8.Bb5 Bd7–/+) 8...e5 9.0–0 e4 10.Ne1 d4 11.ed4 Qd4 12.Kh1 0–0 13.f3 Rd8 14.Rb1 Qd2 15.Qd2 Rd2 16.fe4 (16.Ne4 Ne4 17.fe4 Be6 18.Be6 fe6–+) 16...Be6–+ 17.Be6 fe6 18.Bc1 (18.Rf3 Rad8–+) 18...Rd7 19.Bb2 Bc3 20.Bc3 Ne4 21.Ba1 Nd2 22.Nf3 (22.Rd1–+) 22...Nb1 23.Rb1 Rad8 24.Bc3 (24.Rg1–+) 24...Rd1 25.Rd1 Rd1 26.Ng1 e5 27.h3 (27.Bb2 Rd2–+) 27...Rc1 28.Kh2 Rc2 29.Be1 Ra2 30.Nf3 Ra3 31.Nd2 (31.Bg3 a5–+) 31...b5 32.Ne4 Re3 0–1. workchess (2265) – pierred (2760), net–chess.com, 2010.

4.e3 Bb4–/+ 5.a3 (5.Be2 d5–/+) 5...Ba5 (5...Be7 6.d4–/+) 6.Be2+= d6 7.0–0 Nc6 (7...e5 8.d4 e4 9.Nfd2+=) 8.c4 (8.d4 0–0+=) 8...e5 (8...0–0 9.d4+=) 9.Nc3 (9.d4 e4 10.Nfd2 0–0+=) 9...Bf5 (9...0–0 10.d4–/+) 10.d3 (10.d4 0–0–/+) 10...0–0 11.Nh4 (11.Rb1 Re8–/+) 11...Bd7 12.Rb1 e4! 13.g3 (13.Ne4 Ne4 Combination; 13.de4 Bc3 Decoy) 13...ed3 14.Bd3 Ne5 15.Ne4 (15.Nd5 Nd5 16.cd5 Bh3–/+) 15...Ne4 16.Be4 Nc4 17.Bc1 (17.Qd3 Be6 18.Bb7 Rb8–/+) 17...Bh3 18.Ng2 c6 (better is 18...Rb8 19.Rb7 Rb7 20.Bb7 Qf6–/+) 19.Qb3? (better is 19.Rb7!? Qc8 20.Rb3–/+) 19...d5–+ 20.Bd3 Ne5 21.Be2 Bf5 22.Rb2 Nc4! 23.Ra2 Qb6 24.Bc4 dc4 25.Qa4 Bd3 26.Rb2 Qc7 27.Bd2 c3 28.Bc3 Bc3 29.Qb3 Bb2 30.Qd3 Rfd8 31.Qb3 Qb6 32.Qc4 Ba3 33.Nf4 Rd2 34.Nh5 Qb4 35.Qb4 Bb4 36.Rb1 a5 37.Kg2 c5 38.Kf3 a4 39.Nf4 a3 0–1. petrobbo – marekt, internet, 2010.

2.Bb2 h5

3.Nf3 h4 4.d3 h3 5.g3 a6 6.Ng5 d6 7.e4 f6 8.Nf3 a5 9.ba5 Ra5 10.Nbd2 c5 11.Be2 Qb6 12.Qc1 Rb5 13.Bc3 Nc6 14.Nc4 Qd8 15.a4 Rb4 16.Bb4 cb4 17.0–0 Na7 18.Qb2 d5 19.Ne3 e6 20.Ng4 e5 21.ed5 Qd5 22.c4 bc3 23.Qc3 Nc6 24.Ne3 Qc5 25.Qc5 Bc5 26.Nc4 Nd4 27.Nd4 Bd4 28.Ra2 Ne7 29.Bf3 0–0 30.a5 Nf5 31.Nb6 Be6 32.Rc2 Bb6 33.ab6 Bb3 34.Rc7 Nd4 35.Be4 Ne2 36.Kh1 Nc3 37.Rc3 1–0. giorgo – mmixalll, playok.com, 2012.

3.Nf3 h4 4.h3 a6 5.e3 a5 6.ba5 g6?? (better is 6...Nf6+/–) 7.Bh8+– g5 8.Ng5 d6 9.Qh5 d5 (9...Nh6+–) 10.Qf7 Kd7 11.Bb5 c6 12.Bd3 c5 13.Bb5 (13.Qe6 Kc7 14.Qb6 Kd7 15.Bf5 e6 16.Qe6 Kc7 17.Qb6#) 13...Kd6 14.Qf4 e5 15.Qe5# 1–0. linakip – robert19781, kurnik, 2011.

3.g3 h4= 4.Bg2 hg3 5.fg3 a5 6.b5 a4 7.a3 c6 8.bc6 dc6 9.Nf3 Qb6 10.Bd4 c5 11.Be3 Qb2 (11...Bh3!? 12.Bh3 Rh3=) 12.Nc3+/– g6?? (better is 12...Qb6+/–) 13.Bc5 (better is 13.Rb1 Qa3 14.Nb5 Qa2 15.Nc7 Kd8 16.Na8 Nd7+–) 13...Bg7 14.Bb4 Nc6 15.Rb1 Bc3 16.Rb2 Bb2 17.c3 Nb4 18.cb4 Ba3? 19.Nd4 Bb4= 20.Nb5 Ba5 21.0–0 Nf6 22.d3?? 0–0?? 23.Na3 Ra6 24.Qa4?? Bb6–+ 25.Qd4 Bd4 26.Kh1 Ra3 27.Rb1 Ng4 28.Bf3 Nf2 29.Kg2 Bh3 30.Kg1 Nd3 31.Kh1 Nf2 32.Kg1 Ng4 33.Kh1 Ne3 34.Kg1 Nd1 35.Kh1 Nc3 36.Rc1 Rb3 0–1. diablo005 – mmixall, kurnik, 2012.

2.c4 Nf6

3.Nc3 e5 4.d3? (better is 4.a3!?=) 4...Bb4–/+ 5.Bb2 d5 6.cd5 Nd5 7.Qb3 Nc6 8.e3 Be6 9.Qc2 Nd4! 10.ed4 ed4 11.Nge2 dc3 12.Bc3 (12.Nc3 Qd6–+) 12...0–0 (12...Nc3!? 13.Nc3 Qd4 14.Rc1–+) 13.a3 Bc3 14.Nc3 Qg5 (14...Re8 15.Be2 Qg5 16.Bf3 Qe5 17.Kd2 Qf4 18.Kd1–+) 15.Ne4 Qe5 (15...Qe5 16.Rb1 f5–+) 0–1. pushtiu (2155) – pierred (2760), net–chess.com, 2010.

3.d4 e5+= 4.de5 (4.a3 ed4 5.Nf3 a5+=) 4...Nc6 (better is 4...Bb4 5.Bd2 Bc5+=) 5.Qd2?? (better is 5.Nd2 Ne5 6.Bb2=) 5...Bb4–+ (5...Ne5?! 6.e3+=) 6.Nc3 Ne4!! (6...Ne5?! 7.Qc2–+) 7.Qd5 (7.Ne4 Bd2 Double attack (7...Bd2 Pinning; 7...Bd2 Deflection; 7...d5 Decoy)) 7...Bc3 8.Kd1 Nf2 9.Kc2 Nb4 10.Kc3 Nd5 11.cd5 Qe7 12.a4 Qe5 13.Kd2 Qa1 14.Nf3 Nh1 15.Kc2 Nf2 16.Bb2 Qf1 17.Bg7 Rg8 18.Bh6 Qe2 19.Nd2 Qd3 (19...Qd3 20.Kc1 Qc3 21.Kb1 Rg2 22.h3 Rg1 23.Nf1 Rf1 24.Bc1 Rc1 25.Ka2 Ra1#) 0–1. chessboy2010 – marekt, internet, 2010.

3.Nf3 e5 4.Ne5 Bb4 =.

2.e4 a6

3.d4 g5 4.Nf3 e6 5.c3 b5 6.a4 c6 7.ab5 d5 8.Ne5 f6 9.Qh5 Ke7 10.Qf7 Kd6 11.Ng6 Be7 12.Nh8 e5 13.bc6 de4 14.Bc4 Bg4 15.h3 Nc6 16.hg4 ed4 17.b5 Ne5 18.cd4 Nd3 19.Bd3 ed3 20.Qc4 ab5 21.Nf7 Kd7 22.Qb5 Kc7 23.Nd8 Bd8 24.Ra8 1–0. Trkn – Harry N., Casual Game, 2001.

3.Nf3 d6 4.Nc3 Bg4 5.h3 Bh5 6.Be2 e5 7.d4 Nd7 (7...Bf3 8.Bf3 ed4 9.Qd4=) 8.0–0+= Be7 9.de5 Bf3 10.Bf3 (worse is 10.gf3 de5 11.Rb1 Bg5+=) 10...Ne5 11.Be2 Nf6 12.Be3 0–0 13.Qb1 b6 14.Qb3 Nh7 15.f4 White gets the initiative 15...Nd7 16.Rad1 Bh4 17.Bf3 Kh8 (17...Qe8!?+/–) 18.e5+– Be7 (better is 18...Ra7+–) 19.Ba8 Qa8 20.Qc4 b5 21.Qc7 Rd8 22.Nd5 Bh4 23.Bf2 Bf2 24.Rf2 f6 25.e6 Ndf8 26.e7 Rd7 27.Qd7! Nd7 28.Nc7 Qc8 29.e8Q Qe8 30.Ne8 Nhf8 31.Rd6 f5 32.Re2 Kh7 33.Re7 Nf6 34.Rg7 Kh8 35.Rf6 h5 36.Rf8# 1–0. pierre – cozy2345, internet, 2008.

2.e4 e5

3.a3 a5 4.b5 Bc5 5.Nc3 Nf6 6.Bb2 d6 7.Bc4 Ng4 8.Nh3 Bd4 9.Qe2 0–0 10.0–0 Qh4 11.Qf3 Nf6 12.Rae1 Nbd7 13.Kh1 Nc5 14.Bd5 Nh5 15.Qe2 Bg4 16.f3 Bh3 17.gh3 Nf4 18.Qd1 Kh7 19.Rg1 Bg1 20.Rg1 Nd5 21.ed5 Na4 22.Na4 Qa4 23.b6 Qb5 24.Ba1 cb6 25.d4 f6 26.de5 fe5 27.Rg4 Kh8 28.c4 Qc5 29.Qd3 Qf2 30.Rg2 Qf3 31.Qg6 Rf7 32.Bb2 b5 33.Qg4 Qd3 34.Rg1 bc4 35.Qg2 Raf8 36.Bc1 g5 37.Qd2 Qg6 38.Bb2 Rf2 39.Be5 0–1. COMP – COMP, blitz, 2002.

3.a3 a5 4.c3 Nf6 (4...ab4 5.cb4 Bb4 6.Bb2–/+) 5.f3 (5.Bb2!?+=) 5...ab4–/+ 6.g4 (better is 6.cb4!? Bb4! 7.Bb2–/+) 6...d5–+ 7.a4? (better is 7.ed5 Nd5 8.Qb3–+) 7...Ne4! 8.h4 (8.fe4 Qh4 Double attack) 8...Be7 9.fe4 (9.Bb5 c6 10.fe4 cb5 11.g5–+) 9...Bh4 10.Ke2 Bg4 11.Nf3 de4 12.Qc2 Bf3 13.Ke3 Qg5# 0–1. fantum_bantum – marekt, internet, 2010.

3.a3 d6 4.Nc3 Nc6 5.Bb5 a5 6.Bb2 Qg5 7.Qf3 Bg4 8.Qg3 Bd7 9.Qg5 hg5 10.Nd5 0–0–0 11.ba5 Na5 12.Bd7 Rd7 13.d3 Nf6 14.Nb4 g4 15.Ne2 Be7 16.Rb1 Rh6 17.Ng3 g6 18.Bc3 Nh5 19.Ne2 Bg5 20.Nd5 Nc6 21.Bb2 f5 22.h3 fe4 23.de4 Nf4 24.Nef4 ef4 25.Rg1 gh3 26.gh3 Rh3 27.Kf1 Rh5 28.Bf6 Bh4 29.Ba1 Ne5 30.Nf4 Rf7 31.Be5 Re5 32.Nd3 Re4 33.Rg6 Rf8 34.Rb5 Rc4 35.Rb4 d5 36.Re6 c5 37.Rb5 Rc2 38.Re2 Rc3 39.Rc5 Rc5 40.Nc5 Rf5 41.a4 Kc7 42.Nd3 Bf6 43.Re6 Bd4 44.Rh6 Rf7 45.Ke2 Re7 46.Kd2 Kd7 47.a5 Rf7 48.f4 Rf5 49.Rh7 Kc8 50.Re7 Bf6 51.Re8 Kd7 52.Rb8 Kc7 53.Rg8 d4 54.Ra8 Kc6 55.Ra7 Bd8 56.Ne5 Kc5 57.Ke2 Bc7 58.Rb7 Be5 59.fe5 Re5 60.Kd2 Re6 61.Ra7 Rf6 62.Ra8 Rf2 63.Kd3 Rf3 64.Ke4 Re3 65.Kf4 Ra3 66.Ke5 d3 67.a6 Kb5 68.Rd8 Ra6 69.Rd3 Ra1 70.Kd5 Rb1 71.Rd2 Ra1 72.Rb2 Ka4 73.Rb7 Rd1 74.Kc4 Rc1 75.Kd3 Rd1 76.Kc3 Rc1 77.Kd2 Rf1 78.Rb8 Rf2 79.Kc3 Rf3 80.Kc4 Rf4 81.Kc5 Rf5 82.Kd4 Rf4 83.Ke5 Rf1 84.Kd5 Rd1 85.Kc4 Rc1 86.Kd4 Rd1 87.Kc3 Rc1 88.Kd2 Rf1 89.Kc2 Rf2 90.Kd3 Rf3 91.Ke4 Rf1 92.Rb6 Re1 93.Kd3 Rd1 94.Kc3 Rc1 95.Kd4 Rd1 96.Ke3 Re1 97.Kd2 Rf1 98.Ke2 Rc1 99.Rb8 Rc2 100.Kd3 Rc1 101.Rb2 Rd1 102.Ke2 Ra1 103.Ke3 Re1 104.Kf3 Rf1 105.Ke4 Re1 106.Kd4 Rd1 107.Kc3 Rc1 108.Kd2 Ra1 109.Kc2 Re1 110.Rb8 Re2 111.Kc3 Re3 112.Kc4 Re4 113.Kc5 Re5 114.Kd4 Re1 115.Rb7 Rd1 116.Ke4 Re1 117.Kf4 Rf1 118.Ke3 Re1 119.Kf3 ˝–˝. COMP – COMP, blitz, 2002.

3.Ba3 Nc6 4.b5 Ba3 5.Na3 Nd4 6.Nf3 Qe7 7.Nc4 Nb5 8.Nce5 Na3 9.c3 f6 10.Nc4 Nc4 11.Bc4 Qe4 12.Be2 Ne7 13.0–0 d5 14.Re1 Qf4 15.d4 0–0 16.c4 c6 17.Bd3 Qc7 18.Qe2 dc4 19.Bc4 Nd5 20.Bd5 cd5 21.Qe7 Qe7 22.Re7 b6 23.Rc1 Kh7 24.Rcc7 Rg8 25.Nh4 h5 26.Kh1 Kh6 27.a3 a5 28.h3 b5 29.Rc5 b4 30.ab4 ab4 31.Rd5 Rb8 32.Re2 b3 33.Rb2 Rb6 34.Nf5 Bf5 35.Rf5 Ra8 36.Rf3 Ra3 37.d5 g6 38.Rd3 Kg5 39.d6 Rb8 40.h4 Kh4 41.Kg1 Kg4 42.Kh2 h4 43.f3 Kf5 44.d7 Rd8 45.g3 hg3 46.Kg3 g5 47.Rdb3 Rb3 48.Rb3 Rd7 49.Rb2 Rd5 50.Rb4 Re5 51.Rb2 Kg6 52.Rb6 Rd5 53.Rc6 Rd1 54.Ra6 Rg1 55.Kf2 Rb1 56.Ke3 Rb5 57.Ke4 Re5 58.Kd3 Kf5 59.Ra4 Rb5 60.Kc4 Rb1 61.Kd3 Rb3 62.Ke2 Rc3 63.Ra2 Rc5 64.Ra1 g4 65.fg4 Kg4 66.Ke3 Kf5 67.Kd4 Rc6 68.Ra2 Rd6 69.Kc5 Rd8 70.Ra1 Rd3 71.Kc4 Rd2 72.Rf1 Ke6 73.Re1 0–1. COMP – COMP, blitz, 2002.

3.Bb2 d6 4.d4 Qe7 5.Nc3 Nc6 6.Nd5 Qd7 7.de5 Ne5 8.Qh5 Ne7 9.0–0–0 Nd5 10.Rd5 Qa4 11.Bb5 1–0. mtr – Turbo, Internet, 2001.

3.Bc4 Bb4+= 4.Qf3 (4.c3 Ba5+=) 4...Nf6 (4...Qf6 5.a3 Bc5 6.Nc3–/+) 5.c3 (5.Qg3 0–0 (5...Ne4?! 6.Qg7 Qf6 7.Bf7 Kd8 8.Qf6 Nf6 9.Nf3+=) 6.a3 Ne4–/+) 5...Bc5–/+ 6.Ne2 (6.Qg3 Ne4 7.Qe5 Qe7 8.Qe7 Be7–/+) 6...Nc6 7.0–0 (7.Ba3 Qe7 8.Bc5 Qc5–/+) 7...0–0 (7...d6 8.Ba3–/+) 8.Ba3 Qe7 9.Bc5 Qc5 10.Bb3 a5 (10...d6 11.h3–/+) 11.a4 (11.Nc1 d6–/+) 11...d5! 12.ed5 Bg4 13.Qg4?? Ng4–+ 14.dc6 bc6 15.h3 Rab8 16.Bf7 Rf7 17.hg4 Qc4 18.Nc1 Qg4 19.Nd3 Qf5 20.Nc5 e4 21.Na6 e3! 22.de3 Rb2 23.Na3 Rf2 (23...Rf2 24.Nb4 Rf1 25.Rf1 Qf1 26.Kh2 Rf2 27.Kh3 Rg2 28.Nc6 Qh1#) 0–1. simonzxcv – marekt, internet, 2010.

3.h3 e6 4.d4 (4.a3!?+=) 4...Bb4–/+ 5.c3 Ba5 6.Ne5 d6 7.Ng4 (7.Nc4 c6–/+) 7...Nc6 8.e3 Ne4 9.Qd3 d5 10.Ba3 Qf6?? (better is 10...h5 11.Ne5 Ne5 12.de5 c6–+) 11.Nf6+– Nf6 12.Nd2 Bd7 13.g4 0–0–0 14.Nb3 Ne4 15.Na5 Na5 16.Rb1 Bc6 17.Bg2 Rd7 18.Be4 de4 19.Qe2 e5 20.de5 Rd3 21.Bb4 Nc4 22.a3 Ba4 23.h4 Rhd8 24.h5 Ne5 25.0–0?? Rd2–/+ 26.Qe1 Nf3–+ 27.Kg2 Ne1 28.Rfe1 b6 29.c4 R2d3 30.c5 Kb7 31.cb6 ab6 32.Bc5 Ka6 33.Bd4 f6 34.Ra1 c5 35.Bb2 R8d7 36.Kg3 Rd2 37.Bc3 R2d3 38.Bb2 c4 39.Bd4?? c3 40.Rec1?? c2 41.Kf4 Rd2 42.f3 ef3 43.Kf3 Rd3 44.Ke4 Rd1 45.Kf5 Rd2 46.Ra2 Rd1 47.Rcc2?? Bc2–+ 48.Rc2 b5 49.Rc6 Ka5–+ 50.Bc3 Ka4 51.Bb4 R1d3 52.Kf4 R7d4?? 53.ed4+– Rd4 54.Kf5 Rd5 55.Kg6 Rg5 56.Kf7 Rg4 57.Ra6 Kb3 58.Rb6 Rg5 59.Bf8 Rh5 60.Bg7?? Ka3= 61.Bf6 b4 62.Bg7 b3 63.Ra6 Kb4 64.Kg6 Rg5 65.Kh6 Rg7 66.Kg7= Kc3 67.Rb6 b2 68.Rc6 Kd2 69.Rb6 Kc2 70.Rc6 Kd2 71.Rd6 Kc2 72.Rc6 Kd2 ˝–˝. valerypavlovich (2115) – workchess (2265), net–chess.com, 2010.

2.e4 Nf6

3.e5 Nd5 4.a3 d6 5.ed6 Qd6 6.Nf3 a5 7.ba5 Ra5 8.d4 Nc6 9.Bd2 Ra8 10.Bb5 Qe6 11.Qe2 Qf5 12.c4 Nf4 13.Bc6 bc6 14.Bf4 Qf4 15.0–0 e6 16.a4 Ba6 17.Nc3 Bd6 18.Rfb1 0–0 19.Qa2 c5 20.Rd1 Rfb8 21.Nb5 Bb7 22.d5 ed5 23.cd5 Bc8 24.Nd6 cd6 25.Re1 Bg4 26.Nd2 Rb4 27.a5 Bd7 28.Nf3 Bb5 29.Qd2 Qf5 30.Kh1 Ba4 31.Re3 Ra5 32.Rae1 Bb5 33.Nh4 Qf6 34.Nf3 Qb2 35.Re7 Ra2 36.Qb2 Rbb2 37.Rb7 Bc4 38.Rb2 Rb2 39.Rd1 Rf2 40.Kg1 Re2 41.h4 Kh7 42.Kh2 Kg6 43.Kg3 Kf5 44.h5 Re3 45.Kf2 Ra3 46.Nd2 Ra2 47.Ke3 Bd5 48.Nb1 Be4 49.g4 Ke5 50.Nc3 Ra3 51.Kd2 d5 52.Rf1 f6 53.Rg1 d4 54.Ne4 Ke4 55.Kc2 c4 56.Kb2 Re3 57.Rc1 Re2 58.Ka3 Kd5 59.Kb4 c3 60.Rc3 dc3 61.Kc3 Ke4 62.Kb4 0–1. COMP – COMP, blitz, 2002.

3.e5 Ne4 4.h4 a6 (4...a5 5.d3 Nf2 6.Kf2 ab4 7.Nf3+/–) 5.d3 Nc3? (better is 5...Nf2 6.Kf2 Nc6+/–) 6.Nc3+– Nc6 7.Nf3 Nb4 8.Be2 (8.d4 d5 9.Rb1 Nc6+–) 8...e6 9.0–0 d5 10.a3 Nc6 11.Qd2 f6 12.d4 Be7 13.Qd3 fe5 14.Qg6 Kf8 15.Ne5 Ne5 16.de5 Bh4 17.g3 Bg5 18.Bh5 Qf6 19.Qe8# 1–0. marre – oppo, internet, 2010.

2.Nf3 d5

(--> 1.b4 d5 2.Nf3 h6).

3.Bb2 Nf6 4.a3 Bf5 5.e3 e6 (--> 1.b4 d5 2.Bb2 Bf5 3.e3 Nf6 4.Nf3 e6 5.a3 h6). 2.Nf3 Nf6

2.Nf3 Nf6

3.Bb2 e6 4.a3 a5 5.b5 b6 6.e3 Bb7 7.Nc3 d5 8.Be2 Bd6 9.Nd4 0–0 10.f4 Nbd7 11.0–0 Nc5 12.Qe1 Re8 13.Qg3 Qe7 14.Qh3 Qf8 15.Qh4 Be7 16.Qe1 Rec8 17.a4 Re8 18.Bf3 Nfe4 19.d3 Nc3 20.Bc3 Red8 21.Qg3 Bf6 22.Ra2 Rd7 23.Bb2 Re8 24.Ba3 Rdd8 25.c3 Rb8 26.Nc2 Be7 27.d4 Ne4 28.Be4 de4 29.Be7 Qe7 30.Na3 c5 31.Rd1 Rec8 32.Raa1 cd4 33.ed4 Qc7 34.c4 Qe7 35.Qe3 Qb4 36.Rdc1 Rd8 37.Rc3 Ba8 38.Rb1 Qa4 39.Nc2 e5 40.fe5 Qa2 41.Qc1 Rbc8 42.Ra1 Rc4 43.Ra2 Rc3 44.Ra3 Rdc8 45.Rc3 Rc3 46.Qb2 Rd3 47.Ne1 Rd1 48.Kf1 e3 49.Qc2 Bg2 50.Qg2 Rd4 51.Qb7 Rd2 52.Qb6 Rh2 53.Qa5 Rb2 54.Nd3 Rb3 1–0. COMP – COMP, blitz, 2002.

3.Bb2 e6 4.a3 a5 5.b5 d5 6.c4 Bd6 7.cd5 ed5 8.e3 0–0 9.Bf6 Qf6 10.Nc3 Be6 11.d4 Qg6 12.Nh4 Qg5 13.Nf3 Qg4 14.Qc2 Nd7 15.h3 Qh5 16.Bd3 Nb6 17.Ke2 f5 18.Kf1 Qg6 19.Na4 Nc4 20.Nc5 Bc5 21.dc5 Qf6 22.Ra2 f4 23.e4 Ne5 24.ed5 Bd5 25.Ne5 Qe5 26.Bc4 f3 27.g3 Rae8 28.Kg1 Qd4 29.Bd5 Qd5 30.Ra1 Re2 31.Qc3 b6 32.cb6 Qb5 33.Rh2 cb6 34.Rd1 Rfe8 35.Rf1 Rb2 36.Qf3 Rb3 37.Qg4 Ra3 38.Rc1 Ra2 39.Rg2 a4 40.Rc7 Qb2 41.Kh2 b5 42.Rb7 Qe5 43.Qd7 Rb2 44.Qd3 Kh8 45.Ra7 Qf6 46.Qd5 Rd8 47.Qc5 Qd4 48.Qe7 Rf2 49.Qd8 Qd8 50.Rf2 Qd4 51.Raf7 a3 52.Rf8 Kh7 53.R8f4 Qd6 54.Ra2 b4 55.Rf3 Qd5 56.Rff2 b3 57.Ra3 Qc5 58.Raa2 ba2 59.Ra2 Kg6 60.Re2 h5 61.Kg2 Qd5 62.Kh2 Kf5 63.Rf2 Ke4 64.Rc2 h4 65.gh4 Qe5 66.Kg2 Ke3 67.Kg1 Qg3 68.Rg2 Qh3 69.Rg7 Qh4 70.Kg2 Qe4 71.Kg1 Kf3 72.Rg2 Qh4 73.Rg8 Qd4 74.Kh2 Qd2 75.Kh1 Qc1 76.Kh2 Qc2 77.Kg1 Qb1 78.Kh2 0–1. COMP – COMP, blitz, 2002.

3.e3 d5 4.a3 Bg4 5.Bb2 e6 6.d4 a5 7.b5 Bd6 8.Bd3 0–0 9.0–0 c6 10.Nc3 Nbd7 11.h3 Bh5 12.bc6 bc6 13.a4 e5 14.Be2 e4 15.Ne5 Be2 16.Ne2 Re8 17.Nd7 Qd7 18.Qd2 Reb8 19.Bc3 Bc7 20.Rfb1 Rb1 21.Rb1 Nh5 22.Kf1 Qd6 23.Rb7 Qh2 24.Ng1 Nf6 25.Qe1 Ne8 26.f4 Bd8 27.Qb1 Bh4 28.Rb6 Nd6 29.Qc1 Nc4 30.Rb3 Rd8 31.Be1 Be7 32.Bf2 Rd6 33.Rb8 Kh7 34.Rb7 Rg6 35.g4 Bb4 36.f5 Rf6 37.c3 Bd6 38.Qd1 Ba3 39.Qe1 Bb2 40.Rb3 c5 41.dc5 Ba3 42.Rb5 Rc6 43.Rb7 f6 44.Qd1 Bc5 45.Qd5 Ne3 46.Be3 Be3 47.Rg7 Kg7 48.Qd7 Kg8 49.Qe8 Kh7 50.Qd7 ˝–˝. COMP – COMP, blitz, 2002.

1...Nh6

2.a3 c6 3.c3 (3.d4 g6+=) 3...d6 (3...d5 4.d4=) 4.Bb2 (4.d4 Ng4+=) 4...Qc7 (4...e5 5.e4=) 5.e3 Nd7 6.Nf3 Nf6 7.d4 Bd7 (7...e5 8.de5 de5 9.c4=) 8.Bd3 0–0–0 (8...Bf5 9.c4+=) 9.Nbd2 Kb8 (9...d5 10.Ne5+=) 10.0–0 b6 (10...e6 11.c4+/–) 11.Qc2 a6 (11...e6 12.c4+/–) 12.Rfe1 (12.Ba6 Bf5 13.Bd3 Bd3 14.Qd3 e6+–) 12...Ka7 13.c4 e6 14.Rad1 Be7 15.e4 Ne8 (15...d5 16.ed5 cd5 17.c5+/–) 16.e5 (16.c5 dc5 17.bc5 b5+–) 16...d5 (16...de5 17.de5 c5 18.b5+/– (18.Bh7?! g6=)) 17.cd5 (17.c5!? bc5 18.dc5 Nf5+–) 17...ed5+/– 18.Nb3 f6 19.ef6 gf6?? 20.Nc5 bc5 21.dc5?? Nf7?? 22.Bf5 Bf5–/+ 23.Qf5 Ng7 24.Qc2 Rhg8 25.Re2 Rde8 26.Rde1 Ng5 27.Ng5= fg5 28.Bg7? Rg7–/+ 29.Re7?? Rge7–+ 30.Re7 Re7 31.g3 Re8 32.Kg2 Rb8 33.h4 gh4 34.gh4 Rb7 35.Kf1 Qd7 36.Qc3 Qe7 37.a4 Qf7 38.b5 cb5 39.ab5 Rb5 40.c6 Qc7 41.h5 Rb6 42.h6 Qc6 43.Qc6 Rc6 0–1. Fournier,Frederic (1930) – capataz (1715), Active Blind, 2008.

2.a3 d5 3.e3 e5 4.d4 Nd7 (4...a5 5.b5 Bd6 6.Nc3=) 5.Nc3 c6 6.Nh3 (6.e4!? Qe7 7.Nge2 de4 8.Bh6 gh6 9.Ne4=) 6...Bd6 7.Be2 (7.e4 Nf6 8.ed5 ed4 9.Bh6 gh6 10.Qd4 Qe7 11.Be2 Bh3 12.gh3 Be5=) 7...Nf5 (7...Qf6 8.Ra2–/+) 8.0–0 Nb6 9.de5 (9.Qd2 Qf6–/+) 9...Be5–/+ 10.Bb2 d4 (10...Qc7 11.Bd3–/+) 11.Nb1? (11.ed4 Nd4 12.f4 Bf6= (12...Ne2? 13.Qe2 Qd4 14.Rf2+–)) 11...Qd5 (11...Na4 12.Bd4 Nd4 13.ed4 Qd4 14.Ra2 Bh3 15.Qd4 Bd4 16.gh3–/+) 12.Bd3 (better is 12.ed4 Nh4 13.f3 Bh3 14.de5 (worse is 14.gh3 Bf6–/+) 14...Bg2 15.Rf2=) 12...Ne3?? 13.Qf3?? Qf3–+ 14.gf3 Bh3 15.Rc1?? Ned5 16.Re1 f6 17.Bd4 Nd7 18.Be5 fe5 19.Nd2 0–0 20.c4 Nf4 21.Bb1 Rae8 22.Ne4 Re6 23.Ng5 Nf6 24.Ne6 Ne6 25.Re5 Nd4 26.Re3 Nh5 27.Ra2?? Nf4 28.Be4 Rd8 29.a4 Nde2! 30.Rae2 Ne2 The nicest combinations are those leading to mate 31.Re2 Rd1 (31...Rd1 32.Re1 Re1) 0–1. heathen68779 – coolerdude, ChessWorld.net, 2003.

2.a3 e6 3.Bb2 b6 4.Nf3 Bb7 5.g3 (5.Nc3 Be7+=) 5...Nf5= 6.Bg2 h6 (6...Nc6 7.0–0+=) 7.d3+= Nc6 (7...a5 8.b5+=) 8.Nbd2 Nfe7 (8...Be7 9.e4 Nd6 10.Bg7+/–) 9.0–0+/– 1–0. ANZARBOND (1640) – assad_ia, internet, 2009.

2.a4 e5 3.c3 d5 4.d4 ed4 5.Bh6 gh6 6.Qd4 Rg8 7.g3 (7.e4 Be6=) 7...Bg7 8.Qd2 (8.Qd3 Nc6=) 8...Be6 9.Bg2 Nd7 (better is 9...Nc6=+) 10.Bd5+/– Nb6 (10...Nc5!? 11.Be6 Ne6+/–) 11.Bb7+– Qd2 12.Kd2 Rd8 13.Kc2 Nd5 14.Bc6 Kf8 15.Bd5 Rd5 16.e4 Rd7 17.Nd2 Ke7 18.Ne2 Rgd8 19.Rad1 a5 (19...h5+–) 20.f3?? (better is 20.ba5 Rd3 21.h3+–) 20...ab4+= 21.cb4 h5? (better is 21...Rd3!?+=) 22.f4 (22.Nc3!? Bc3 23.Kc3 Rd3 24.Kc2 R3d4+–) 22...Bg4+/– 23.Rhe1 c5 (23...Ra8 24.a5 c5 A) < 25.bc5 Ra5 26.Nb3 Ra2 27.Kc1 Rd1 (< 27...Re2 28.Re2 Be2 29.Rd2–/+) 28.Kd1 Bc3–+; B) 25.Rc1+/–) 24.bc5+– Ra8 25.h3! Bh3 26.Nc3 Ra5 27.Nb3 Bc3 28.Rd7 Bd7 29.Kc3 Ra4 30.Re3 Be6 31.f5 Bd7 32.Nd4 Ra3 33.Kd2 Ra4 34.Rd3 Rc4 35.c6! Bc6 36.Nc6 Rc6 37.Ke3 Rc1 38.Kf4 f6 39.Ra3 Rf1 40.Ke3 Re1 41.Kf3 Rf1 42.Ke2 Rg1 43.Ra7 Kd6 44.Kf2 Rh1 45.Rh7 Rh2? 46.Kf3+– Rh1 47.Rf7 Ke5 48.Re7 Kd4 49.Rd7 Ke5 50.Rd5# 1–0. Wiacheslav (1655) – yaunootz (1645), internet, 2007.

2.Bb2 a6 3.a3 (3.e4 Nc6=) 3...b5 (3...d5 4.Nf3=) 4.e3 Bb7 (4...d5 5.a4 ba4 6.Ra4=) 5.Nf3 e6 6.Nc3 (6.c4 a5+=) 6...f6 (6...Nc6 7.Be2=) 7.Be2 (7.d4 Bd6=) 7...Nc6 (7...c5 8.bc5 Bc5 9.d4=) 8.h3 (8.0–0+=) 8...a5 (8...Nf7 9.0–0=) 9.0–0 (9.ba5!? Ra5 10.Nb5+/–) 9...ab4= 10.ab4 (10.Nb5 ba3 11.Ba3 Ba3 12.Na3 0–0=) 10...Ra1 11.Qa1 (11.Ba1 Nb4 12.Nb5 Be7=) 11...Bb4 (11...Nb4 12.Nb5 Bf3 13.Bf3 Nc2 14.Qa5+/–) 12.Bb5 (12.Nb5 e5+=) 12...Bd6 (12...0–0 13.Ba3 Qe7 14.Bc6 Bc6 15.Bb4 Qb4 16.Nd4=) 13.Be2 (13.Ne4 Be7+=) 13...e5 (13...0–0 14.Nb5+=) 14.Re1 (14.Rb1 Nb4+=) 14...Nb4 15.Qb1 f5 Black prepares e4 (15...e4 16.Nd4=) 16.d3 (16.Nb5 Bf3 17.Bf3 Nc6+/–) 16...e4 17.de4 fe4 18.Nd4 (better is 18.Nd2 Qh4 19.Nb5+=) 18...c6?? (better is 18...0–0=) 19.Ne4+– Qc7 (19...Be7 20.Ba3 c5 21.Nc5 Bc5 22.Bb4+–) 20.Nd6 Qd6 21.Nf3 Rg8 22.Ba3 c5 23.c3 Ba6 24.cb4 Be2 25.Re2 Qg6 26.Qg6 hg6 27.bc5 Kd8 28.Rd2 Nf5 29.c6 (29.c6 d5 30.e4+–) 1–0. ANZARBOND (1685) – chessdoctor79, internet, 2010.

2.Bb2 b5 3.Nf3 (3.a4 ba4 4.Ra4 d5+=) 3...f6 (3...a5 4.e3+=) 4.a4 (4.e4 e5+=) 4...c6 (4...e5+=) 5.a5 (5.ab5!? cb5 6.e3+/–) 5...a6 (5...e5 6.c3+=) 6.e4 (6.Bc3 e5=) 6...e5 7.h3? (better is 7.c3=) 7...Bb4–/+ 8.Bc3 Bc3 9.Nc3 b4 (9...d5 10.ed5 cd5 11.d4–+) 10.Ne2 c5 11.c3 (11.Ng3 Nc6–/+) 11...Nc6 (11...d5 12.ed5 e4 13.Nh4–/+) 12.cb4 Nb4 (12...cb4 13.d4–/+) 13.g4?? (better is 13.Nc3–/+) 13…Nd3# 0–1. chessdoctor79 – jevaisbien, internet, 2010.

2.Bb2 c6 (--> 1.b4 c6 2.Bb2 Nh6).

2.Bb2 e5 (--> 1.b4 e5 2.Bb2 Nh6).

2.Bb2 e6 (--> 1.b4 e6 2.Bb2 Nh6).

2.b5 b6 3.Bb2 Bb7 4.d3 (4.Nc3 a6=) 4...Nf5 5.e4 Nd6 6.c4 e6 7.e5 Nf5 8.Nf3 Bb4 9.Nc3 Nh6 (better is 9...a6=) 10.Ba3?? (better is 10.a3 Be7 11.Be2+=) 10...Ba3 (10...Bc3 11.Nd2–+) 11.Be2 (11.Qb3 Qe7–+) 11...Ng4 (better is 11...Bb2!? 12.Rc1 Bc1 13.Qc1–+) 12.Qd2 (12.Qb3 Qe7–+) 12...a6 13.Ng5 (13.d4 0–0–+) 13...ab5 (better is 13...Ne5 14.d4 Be7 15.Ne6 de6 16.de5 Nd7–+ (16...Bg2?! 17.Qd8 Kd8 18.0–0–0 Ke8 19.Rhg1–+)) 14.Bg4 bc4 15.Qf4? (better is 15.Bh5 0–0 16.Bf3 Bf3 17.Nf3 cd3 18.Rb1–+) 15...0–0 16.dc4 (16.Nge4 Bb2 17.Rb1 Bc3 18.Nc3 cd3–+) 16...Bb2 17.Rb1 (17.Rc1 Bc1 18.Qc1 Bg2 19.Rg1–+) 17...Bc3 18.Kd1 Ra2 19.Bf3 Ba6 (better is 19...Rd2 20.Kc1 Rf2–+) 20.Qe4 (20.Ne4 Ba1 21.Rc1 Nc6–+) 20...f5 (better is 20...Qg5 21.Qe3 Qe3 22.fe3 Bc4 23.g3–+) 21.Qh4 (21.ef6 Rd2 22.Kc1–+) 21...h6 22.Rc1 (22.c5 hg5 23.Qg3 Bd3–+) 22...Qg5 (better is 22...Rd2 23.Ke1 Rd4 24.Rc3 Rh4–+ (24...Qg5?! 25.Qd4 Rd8 26.c5=)) 23.Qg5 hg5 24.Rc3 Nc6 (24...g4 25.Be2–+) 25.Re1 g4 26.Bc6 dc6 27.c5 (27.Rf1–+) 27...Rd8 28.Kc1 Ra1 29.Kc2 Re1 30.Ra3 Re2 (31.Kc1 Bd3 32.cb6 cb6–+) 0–1. Taulien,Christian – Lausch,Axel, remoteschach.de, 2002.

2.b5 d5 3.d4 =+.

2.b5 e6 3.Bb2 Bb4?? (better is 3...d5=) 4.Bg7+– Rg8 5.Bh6 d6 6.Nf3 Rg6 7.Bg5 (7.Bf4 Qf6 8.c3 Qf4 9.cb4 Qb4+–) 7...Qd7?? (better is 7...Rg5 8.Ng5 Qg5+–) 8.e4 a6 9.c3 Bc5 10.d4 ab5 (10...Bb6 11.ba6 Na6+–) 11.dc5 Ra4 (11...f6 12.Be3 d5 13.e5+–) 12.Bd3 Qc6 (12...e5 13.Qe2 c6 14.Rg1+–) 13.e5 (better is 13.cd6 f6 14.Be3+–) 13...Qd5 (13...Re4 14.Be4 Qe4 15.Kf1 Qc4 16.Kg1 Qc5 17.Be3+–) 14.c4! Qc5 (14...Qc4 15.Bc4) 15.0–0 (15.Bg6 hg6 16.ed6 Qd6 17.cb5 Re4 18.Be3 Qd1 19.Kd1 Nd7+–) 15...Nc6 (15...Rc4 16.Nbd2 f5 17.Nc4 bc4 18.Be3+–) 16.cb5 (better is 16.Be3!? Qb4 17.Bg6 hg6 18.ed6 Qd6 19.cb5 Qd1 20.Rd1 Ne7+–) 16...Ne5 17.Bg6 Ng6 (17...Nf3 18.Qf3 hg6+–) 18.Qa4 Qc3 19.Nbd2 (better is 19.Qa8 Kd7 20.Nc3 e5+–) 19...e5 20.Ne4 (20.Rac1 Qd3+–) 20...Qd3 21.Nf6 Kf8 22.Qa8 Qf5 23.Rac1 Ne7 24.Rc7 (24.Bh6) 24...h6 25.Bh6# 1–0. Taulien,Christian – Moch,Stefan, remoteschach.de, 2002.

2.b5 f6 3.Bb2 g6 4.e3 d6 5.c4 Nf7 6.Nf3 a5 7.a4 b6 8.Nc3 c5 9.d4 Bg7 10.dc5 dc5 11.Qd8 Nd8 12.Nd5 Nd7 13.g3 Bb7 14.Nc7 Kf7 15.Na8 Ba8 16.Bg2 Ne6 17.0–0 Rd8 18.Rad1 Ndf8 19.Rd8 Nd8 20.Nd2 Bg2 21.Kg2 f5 22.Bg7 Kg7 23.Nf3 Kf6 24.Rd1 Nfe6 25.Ne1 Ke5 26.Nd3 Kf6 27.Nf4 g5 28.Ne6 Ne6 29.Rd7 1–0. chybol3 – lili992, kurnik, 2012.

2.c3 c6 3.Bb2 (3.d4 Ng8+=) 3...Qb6 4.e3 d6 5.Nf3 Be6 (5...e5 6.e4=) 6.d4 Nd7 7.Bd3 Rg8 (7...d5 8.Qc2+=) 8.0–0 g6 (8...d5 9.Bh7 Rh8 10.Bc2+/–) 9.Nbd2 Bg7 10.Qc2 (10.a4 0–0–0+/–) 10...0–0–0 (10...d5 11.a4+/–) 11.a3 Kb8 12.Rfe1 Ka8 13.Rac1 f6 14.Qb1 (14.c4 Rge8+/–) 14...Bf7 15.h3 (15.c4 e5+/–) 15...f5 16.e4 fe4 17.Ne4 e5 (17...Nf5 18.Neg5 Bd5 19.Bf5 gf5 A) 20.Re7? Bf6 21.Rd7 Rd7 (worse is 21...Bg5 22.Rd8 Qd8 23.Qf5–/+) 22.Qf5 Bg5 23.Ng5 Rdg7–/+; B) 20.Qf5?! e5+/–; C) 20.c4 Bf3 21.Nf3+/–) 18.de5 (18.Nd6 ed4 19.Nf7 Nf7 20.cd4 Nd6+–) 18...de5 (18...Ne5 19.Ne5 Be5 20.c4+/–) 19.Bc2 (19.c4 Rgf8+/–) 19...Rge8 (19...Rgf8 20.Rcd1+=) 20.Rcd1 Be6 21.Ned2 Rf8+= 22.Be4 g5 23.Nf1 g4+= 24.hg4 Bg4 25.Ne3+= Bf3 26.Bf3 Bf6 27.Nf1 Bg5 28.Ng3 Nf6 29.Rd8 Rd8 30.Rd1 Rd1 31.Qd1 Qc7 32.Qc2 Nf7 33.c4 h5 34.Nf1 h4= 35.Qd1 h3 36.Ng3 hg2+= 37.Bg2 Bh4 38.c5 e4 39.Bc1?? Bg3–+ 40.fg3 Qg3 41.Qf1 Qg2?? 42.Qg2 Ng4 43.Qg4 (43.Qg4 a6 44.Qc8 Ka7 45.Bf4 Ne5 46.Be5 a5 47.Qc7 ab4 48.Qa5) 1–0. Fournier,Frederic (1865) – zaxscdvf (1805), Active, 2009.

2.Nc3 d5 3.d4 =.

2.c4 c5 3.bc5+= Qa5 4.Nf3 Qc5 5.Qb3 Ng4 6.d4+= Qa5 7.Bd2 Qc7 8.h3 Nf6+= 9.Nc3 e6 10.e3 Bd6? 11.c5?? Be7+/– 12.Bc4 a6 13.a4 d5 14.cd6 Bd6+= 15.0–0 b6 16.Rab1 Bb7 17.Qb6+– Bf3 18.Qc7 Bc7 19.gf3 0–0 20.Kh1 Nc6 21.Rg1 Ba5+/– 22.d5 ed5 23.Nd5+/– Nd5 24.Ba5 Na5 25.Bd5 Rad8 26.e4 Rc8 27.Rb6 Rc3 28.Ra6 Nb3 29.Bb3 Rb3 30.Kg2 Ra3 31.a5 g6 32.Rd1 h5 33.Rd5 Rb8 34.Rf6 Kg7 35.e5 Ra8 36.Rd7 R3a5 37.Rdf7 Kg8 38.e6 Re5 39.Rg6 Kh8 40.e7 Re7 41.Re7 1–0. Ole P (1730) – Heldje (1670), ChessWorld.net, 2009.

2.c4 d5 3.cd5= Qd5 4.e3 (4.Nc3 Qd6=) 4...Bg4 (4...e5 5.Nc3 Qe6 6.a3=) 5.f3 (5.Qa4 Qd7 6.b5 e6=) 5...Bh5 (5...Bd7 6.Nc3 Qh5 7.d4=) 6.Ne2 (6.Nc3 Qd8=) 6...e6 (6...e5 7.a3=) 7.Nf4 Qe5 (7...Qg5 8.Qa4 c6 9.Nc3 Qh4 10.g3+=) 8.d4 (8.Qa4!? Nc6 9.d4+/–) 8...Bb4= 9.Kf2 Qg5? (better is 9...Qa5 10.Nh5 Qh5 11.Qa4 Nc6+=) 10.Qa4+– Nc6 11.a3 Bd6 12.h4 Qf5? 13.Bd3 (13.Bd3 Qa5 14.Qa5 Na5 15.Nh5+–) 1–0. magnus75 (2090) – JFRAY (1760), ChessWorld.net, 2003.

2.c4 f6 3.d3 Nf7 4.Nf3 e5 5.a3 a5 6.Bd2 (better is 6.b5!?=) 6...ab4–/+ 7.a4 (7.Qb3 Nc6–/+) 7...Nc6 8.g3 d5 9.Bg2? (better is 9.cd5 Qd5 10.Bg2–/+) 9...dc4–+ 10.dc4 Bc5 (10...e4 11.Ng1 Qd4 12.Ra2–+) 11.0–0 0–0 12.Ne1 Qd6 13.Nd3 Be6 14.Qb3 Na5 15.Qd1 Ra7?? 16.Nc5+/– Qc5 17.Be3 Qc4 18.Ba7 b6 19.Qd3 Qd3 20.ed3+/– Nd6 21.Nd2+– Nc8 22.Bb8 c5 23.Rac1 Nc6? 24.Bc6 (24...Ne7 25.Bc7 Nc6 26.Bb6+–) 1–0. yaunootz (1640) – thotares (1690), internet, 2007.

2.d3 Nc6 3.b5 Nd4 4.c4 e6 (4...e5 5.Bh6 gh6 6.e3=) 5.e3 (5.Bh6 gh6 6.e3 Nf5+=) 5...Ndf5= 6.Nf3 a6 (6...d5 7.d4=) 7.ba6 Ra6 8.Be2 Nh4 9.0–0 N6f5 10.Nc3 Nf3 11.Bf3 Nh4 12.Be2 Be7 13.g3 (13.d4 0–0+=) 13...Nf5 14.Bb2 b6 15.Bf3 0–0 16.Qd2 Nd6 17.Bg2 Bb7 18.Bb7 Nb7 19.e4 Nc5 20.d4 Na4 21.Na4 Ra4 22.Qc2 (22.Rfc1 f5 23.e5 Qa8=+) 22...Qa8 23.f3 Qc6 (23...Ra2?? 24.Ra2 Qa2 25.Ra1 Qa1 26.Ba1+–) 24.Rfc1 Rfa8 25.Qb3 Rb4 (25...Ba3 26.Qc2–/+) 26.Qc3 Raa4 27.c5 (27.d5!? Qc5 28.Kg2–/+) 27...Rd4 28.cb6 Qb6 29.Kh1 Rac4! 30.Qb3 (30.Qc4 Qb4 (30...Qb2)) 30...Rc1 31.Rc1? (better is 31.Bc1 Rb4 32.Qd3–+) 31...Rb4–+ 32.Qa3 Qf2 33.Be5 Rc4!! 34.Qa8 Bf8 35.Rc4 (35.Bc3 Rc3! 36.Re1 Rc2 37.Qf8 Kf8 38.Rb1 Qh2#) 0–1. thotares (1680) – jaskier (2170), internet, 2007.

2.d3 d5 3.Bh6 (better is 3.Nf3!?=) 3...gh6–/+ 4.c3 a5 5.ba5 (5.b5 c6–/+) 5...c5 (5...Bg7 6.d4–/+) 6.Nd2 (6.g3 Nc6–/+) 6...Qa5–+ 7.Qc2 Bg7 8.Rc1 Nc6 9.Ngf3 (9.Nb3 Qb6–+) 9...Qa2 10.Qa2 Ra2 11.e4 (11.d4 0–0–+) 11...Be6 12.Be2 0–0 13.0–0 de4 14.de4 Ne5 (14...Rd8 15.Rfd1–+) 15.Bb5 Rd8 16.Ne5 Rdd2 17.Nc4 (17.Nf3 Rdb2 18.c4 Bg4–+) 17...Bc4 18.Bc4 Rab2 19.h3 (19.g3 b5 20.Bd5 Rd3–+) 19...e6 20.Rb1 (20.Rcd1 Rd1 (20...Bc3?! 21.Rd2 Bd2 22.Bd3–+) 21.Rd1 Bc3 22.Rd8 Kg7–+) 20...Bc3 21.Bb5 (21.Rb2 Rb2 (21...Bb2?! 22.Rb1–+) 22.Bd3 Bd4–+) 21...Rf2! 22.Rb2 (22.Rf2 Rb1 Deflection (22...Rb1 Overloading)) 22...Rb2 (22...Rb2 23.Bd3 Bd4 24.Kh2 Be5 25.Kh1 b5–+) 0–1. andytop10 (1910) – diderot (1715), gameknot.com, 2015.

2.d3 e6 3.Bh6 gh6 4.c3 Qf6 5.Qb3 Nc6 6.Nd2 (6.d4!?+=) 6...Bb4=+ 7.Rc1 (7.cb4 Qd4) 7...Be7 8.Ngf3 b6 9.g3 Bb7 10.Bg2 0–0–0 11.0–0 (11.Qa4 a6=+) 11...d5 12.c4 Kb8 (12...Na5!? 13.Qa4 Bc6=+) 13.cd5= ed5 14.Qa4 a6 15.e4 (15.e3 d4=) 15...Nb4 (15...de4 16.Ne4 Qg6 17.Rc3=+) 16.e5= Qg6 17.d4 Bc6 18.Qb3 Bb5 19.Nh4 (better is 19.a3!? Nd3 20.Rc3=) 19...Qd3 20.Rfd1? (better is 20.Qb2!?–/+) 20...Qb3–+ (20...Qd4 21.Ndf3 Qe4 22.Rd4+=) 21.Nb3 (21.ab3 Bh4 22.gh4 Be2–+) 21...Na2 22.Ra1 Nc3 23.Rd2 Ne2 (24.Kh1 Bb4–+) 0–1. pietshaq (1715) – jaskier (2175), internet, 2007.

2.d4 b6 3.Nc3 (3.e4 Bb7 4.Bd3 e5 5.de5 Bb4 6.c3 Bc5 7.Bh6 gh6=) 3...d6 (3...Ng8 4.a3+=) 4.Nf3 Nf5 (4...g6 5.e4+=) 5.e4 Nd4? (better is 5...Nh6+/–) 6.Nd4+– g6 (6...a6 7.Bg5+–) 7.Bg5 (7.Qf3 Bg7 8.e5 c6 9.Nc6 Nc6+–) 7...h6 8.Bh4 g5 9.Bg3 h5 (9...Bg7 10.Bc4+–) 10.h4 g4 11.Bc4 Bg7 12.0–0 Na6 (12...e6 13.Re1+–) 13.Bb5 (13.Bd5 c5 14.bc5 bc5+–) 13...Kf8 14.Nd5 1–0. pierre – zestforlife, internet, 2008.

2.d4 Nc6 3.b5 Na5 4.Bd2 Nc4 5.e4 (5.Bh6!? gh6 6.e4+=) 5...Nd2= 6.Nd2 e6 7.Ngf3 g6 (7...Bb4 8.Rb1 Bc3 9.Rb3+=) 8.e5 b6 (8...d6 9.Ne4+=) 9.Bd3 Bb7 10.0–0 a6 11.ba6 Ba6 12.Ba6 Ra6 13.Ne4 Ng4 14.h3 Qa8 (14...f5 15.Ned2 Nh6 16.Qe2+=) 15.Nfg5 (< 15.hg4 Qe4 16.Ng5 Qf4=) 15...Bg7?? (better is 15...h6 16.Qg4 hg5 17.Nf6 Kd8 18.Qg5 Be7+=) 16.Qg4+– (16.hg4?! h6 17.Nf7 Kf7 18.Qf3 Ke8+/–) 16...0–0 (16...Ra2 17.Ra2 Qa2 18.Qf3+–) 17.Nf6 (17...Bf6 18.ef6 Ra2 19.Ra2 Qa2 20.Nh7+–; 17.Qh4 h6 18.Nf6 Bf6 19.ef6 hg5+–) 1–0. Rossbach – Scott, corr SOK–88–21, 1988.

2.d4 Ng4 3.e4+= d6 4.Nf3 Nf6 5.Nc3 c6 6.a3 Bg4 7.h3 Bh5 8.Bd3 e6 9.0–0 Be7 10.Qe2 d5 11.e5 Nfd7 12.Qe3 (12.Bf4 Bg6+=) 12...a5 13.Bd2 ab4 14.ab4 Na6 15.Na2 Nc7 16.Rfb1 Ra7 17.Nc1 Qa8 18.Nb3 b6 19.Ra7 Qa7 20.Ra1 Qb7 21.c3 c5 22.bc5 bc5 23.Nc5 (23.dc5? Qb3 24.Nd4 Qb2–+) 23...Nc5 24.dc5 0–0 25.Rc1 Rc8 (26.c4 dc4 27.Rc4 Nd5=). Alissa – London_Patzer, ChessWorld.net, 2005.

2.e3 a6 3.Nf3 =.

2.e3 e6 3.a3 (3.Bb2 Nf5= (3...Bb4? 4.Bg7 Rg8 5.Bh6+–)) 3...d5 4.h3 (4.Bb2 a5=) 4...c5 (4...a5!? 5.b5 Bd6=) 5.Bb2+= cb4 6.ab4 a6 (6...Nf5 7.Nf3+=) 7.b5 (7.Nf3 Nf5+/–) 7...Nf5 8.ba6 (8.Nf3 Nd7+/–) 8...ba6 9.Nf3 Nd7 (9...Nc6 10.Nc3+=) 10.g3 (10.Nc3 Rb8 11.Rb1 Nc5+=) 10…Nf6. assad_ia – ANZARBOND (1655), internet, 2009.

2.e4 a6 3.Nc3 (3.d4 d5 4.Bh6 gh6 5.ed5 Qd5+=) 3...c6 (3...e5 4.a3=) 4.Nf3 f6 (4...e6 5.a3+=) 5.d4+/– e6 6.a3 Ng4 (6...Nf7 7.Bd3+/–) 7.h3 Nh6 8.Be2 (8.Bh6 gh6 9.e5 d5+/–) 8...Nf7 9.0–0 h6 (9...d5 10.Re1+=) 10.Nh4 e5 (10...g5 11.Ng6 Rg8 12.Nf8 Rf8 13.Be3+/–) 11.Ng6+– Rg8 12.Bc4 d5 (12...ed4 13.Qd4 b5 14.Bb3+–) 13.ed5 b5 14.Ba2 Bd6 15.Qd3 f5? (15...Qc7+–) 16.de5 Ne5 (16...Bf8 17.Bf4 Nh8 18.Qg3+–) 17.Re1 Bb7 (17...Qc7+–) 18.Ne5 Be5 19.Re5 Kf7 20.dc6 (20.dc6 Qd5 21.Qf5#) 1–0. pierre (2090) – TikTakToe, Tuebingen internet, 2012.

2.e4 f6 3.Bc4 e6 4.a3 c6 (4...a5 5.b5 f5 6.e5=) 5.Bb2 d5 6.Bd3 e5 7.ed5 (7.Nf3!?+=) 7...cd5= (worse is 7...Qd5 8.Nf3+/–) 8.c4 Be6 9.Qe2 Bd6 (9...a5 10.cd5 Qd5 11.Nc3=) 10.Nf3+= Qd7 (10...dc4!? 11.Bc4 Qc8 12.Be6 Qe6+=) 11.cd5+/– Bd5 12.Nc3 Be6 13.Bb5 Nc6 14.d4 a6 15.de5 ab5 16.ed6 Qd6? (better is 16...0–0 17.Nb5 Bh3 18.Qc4 Be6+/–) 17.Nb5+– Qe7 18.Nfd4 Kf7? (better is 18...Nd4 19.Bd4 0–0+–) 19.Qe6 Qe6 20.Ne6 Ke6 21.Nc7 Kf5 22.Na8 Ra8 (22...Re8 23.Kd1 Ra8 24.Kc2+–) 23.0–0 Nf7 24.Rad1 Nfe5 (24...Nce5 25.Bc1+–) 25.Rfe1 (25.b5 Ne7+–) 25...h5 (25...Nc4 26.Bc1+–) 26.h4 (better is 26.b5 Na5 27.Be5 fe5 28.Rd7+–) 26...g6?? (26...Nc4 27.Bc1 Na3+–) 27.Rd6 (27.f4 Kf4 28.b5 Kf5+–) 27...Re8 (27...Rd8 28.Rd8 Nd8 29.Be5 fe5 30.Rd1+–) 28.Kf1 (better is 28.f4 Nf3 29.gf3 Re1 30.Kf2 Re6 31.Rd5 Ne5 32.fe5 fe5+–) 28...Rc8 (28...Re7 29.f4! Nc4 30.Rf6 Kg4 31.Rg6 Kf4 32.Bc1 Kf5 33.Rg5 Kf6 34.Re7 Ke7 35.Rh5+–) 29.Rc1 (better is 29.f4 Re8+–) 29...Re8 30.Rc5 g5 (30...Re6 31.Re6 Ke6 32.Be5 fe5 33.Rc6 bc6 34.Ke2+–) 31.hg5 fg5 (31...Kg5 32.g3 Kg4 33.b5+–) 32.b5 (better is 32.Rdd5 Kf6+–) 32...Na5 (32...b6 33.Rcc6 Nc6 34.bc6+–) 33.Rdd5 Kf4 (33...Nb3 34.Re5 Re5 35.Re5 Kg6+–) 34.Be5 Kg4 35.Bg3 Rg8 (35...Re5 36.Re5 Nc4 37.Rc4) 36.Rd4 1–0. andytop10 (1915) – pukism (1735), gameknot.com, 2015.

2.Nf3 a6 3.Bb2 Nc6 4.a3 d5 5.g3 (5.e3 Bf5=) 5...d4 6.d3 g6 (6...e5 7.Bg2=) 7.Bg2 Bg7 8.0–0 0–0 9.Nbd2 Nf5 10.Nb3 Rb8 11.Qd2 Bh6 12.Qd1 Bg7 13.Rc1 Qd6 (13...e5 14.c3=) 14.c3 dc3 15.Bc3 Bc3 16.Rc3 Be6 (16...e5!?+=) 17.Nc5+/– a5 18.b5 (18.ba5 Na5 19.Ne6 fe6+/–) 18...Ncd4+= 19.Nd4 (19.a4 Nf3 20.Bf3 Nd4+=) 19...Nd4 20.e3 (20.Nb7 Qb6 21.e3 Rb7 22.a4+= (< 22.Bb7 Nb5 23.Rc1 Qb7–+)) 20...Nb5=+ 21.Rc1 c6 22.a4 Nc7 23.Qd2 Rfd8 24.d4 (24.Qa5? b6 25.Qa7 bc5 26.Qc5 Qd3 27.Bc6 Bh3–+) 24...Bf5 25.Rc3 (25.Qb2!? b6 26.Nb3=) 25...e5–/+ 26.Rd1 ed4 27.Rc4 d3 28.Rd4?? (better is 28.Nb3–/+) 28...Qc5–+ 29.Rd8 Rd8 30.e4 Be6 31.h4 Qc2 32.f4 Bg4 (33.Qc2 dc2 34.Rd8 Kg7–+) 0–1. yaunootz (1640) – jaskier (2250), internet, 2007.

2.Nf3 e6 3.a3 b6 (3...d5 4.Bb2=) 4.d3 (4.d4 Bb7+=) 4...g6 (4...a5 5.b5+=) 5.Bb2 Rg8 6.e4 Bb7 7.Nbd2 f5 8.Be2 g5 (8...c5 9.c3 Kf7+/–) 9.g3 (9.0–0 Bg7 10.Nd4 g4+=) 9...Be7 (9...g4 10.Nd4=) 10.0–0 g4 11.Ne5 Bf6 (11...a5 12.ba5 d6 13.Nec4+=) 12.ef5 d6 13.Nec4 Bb2 14.Nb2 ef5 (better is 14...Qf6 15.Nbc4 Qf5=) 15.f4 (better is 15.d4+=) 15...Qf6–/+ 16.Nbc4 (16.Re1 Qd4 17.Kf1–/+) 16...Qd4= 17.Rf2 Qd5 18.Nf3 Nd7 19.Qe1? (better is 19.Ncd2=+) 19...0–0–0–+ 20.Ne3 (20.Qc3 Rde8–+) 20...Qe6 21.Nh4? (21.Ng2 gf3 22.Bf3–+) 21...Qe3 22.Bf1 (22.Qc3 d5–+) 22...Qe1 (22...Rge8 23.Qe3 Re3 24.Re2 Re2 25.Be2–+) 23.Re1 Rde8 24.Rfe2 Kd8 25.Bg2 Bg2 26.Kg2 Re2 27.Re2 Re8 28.Kf2 (28.Re8 Ke8 29.b5 Nc5–+) 28...c5 29.c3 (29.b5 d5–+) 29...d5 (29...a6 30.Re8 Ke8 31.Ke3–+) 30.b5 Re2 (30...d4 31.cd4 cd4 32.Re8 Ke8 33.Ng2–+) 31.Ke2 Nf6 32.Ng2 Kd7 33.Ne3 Ke6 34.a4 Nf7 35.Nd1 (35.Nc2 h6–+) 35...h5 (35...d4 36.Kd2–+) 36.Nf2 (36.Ne3 Nd6–+) 36...Nh8 (36...d4 37.cd4 cd4 38.h3–+) 37.h4 d4 38.c4 Nf7 39.Nd1 Nd6 40.Kd2 Nb7 41.Nb2 Nd6 (41...Kd6 42.Nd1–+) 42.Nd1 Nde4 (42...Nd7 43.Nf2–+) 43.de4 fe4 (43...Ne4!? 44.Ke1–+) 44.Ke2 Ne8 0–1. Jatkowski – Van Esbroeck, corr WCCF–SOK–1, 1995.

2.Nf3 g6 3.Bb2 f6 (--> 1.b4 g6 2.Bb2 f6 3.Nf3 Nh6).

2.g3 e5 3.Ba3 Na6 4.Bb2 Nb4 5.Be5 d5 6.e3 f6 7.Bd4 Bd6 8.h3 Bf5 9.Bd3 Bd3 10.cd3 Nd3 11.Kf1 Qd7 12.f3 Bg3 13.Ne2 Nf2 14.Ng3 Nd1 15.Nc3 Nb2 16.Nh5 Qe6 17.Ng7 Kf7 18.Ne6 Ke6 19.a4 a5 20.Nb5 Rac8 21.Rh2 Rhg8 22.Nc3 Nf5 23.Rg2 Ng3 24.Kg1 c5 25.Rc1 cd4 26.h4 dc3 27.dc3 Ne2 28.Kh1 Rg2 29.Kg2 Nc1 30.h5 Rc3 31.f4 Re3 32.h6 Na4 33.f5 Kf5 34.Kf2 d4 35.Kg2 Kg4 36.Kf2 Nd3 37.Kg2 b5 38.Kh2 b4 39.Kg1 b3 40.Kg2 b2 41.Kh2 b1Q 42.Kg2 Ne5 43.Kh2 Qc2 44.Kh1 Re1# White king mated 0–1. huskerbacker – BLUEMOONIE, ChessWorld.net, 2012.

2.h3 Nc6 3.b5 Nd4 4.e3 Ne6 5.Qh5 b6 6.Qf3 Rb8 7.d4 Bb7 8.Qe2 g6 9.a4 Bg7 10.c3 c5 11.Nd2 cd4 12.cd4 Nf5 13.Ngf3 Bf3 14.Nf3 0–0 15.Qd3 Bf6 16.Bb2 Nh4 17.Ne5 Be5 18.de5 d5 19.e4 de4 20.Qe4 Nf5 21.Ba3 Nfd4 22.Bd3 Rc8 23.0–0 Nb3 24.Rad1 Nbc5 25.Qe3 Qd4 26.Qg3 Qa4 27.Be2 Ne4 28.Qe3 Rc3 29.Rd3 Qa3 30.Qe4 Rd3 31.Bd3 Nc5 0–1. nakpim – waszka1, kurnik, 2012.

2.h3 d5 3.d4 =.

2.h3 e6 3.e4 (3.Bb2 d5= (3...Bb4? 4.Bg7 Rg8 5.Bh6+–)) 3...Bb4 4.c3 Bc5 (4...Be7 5.d4+=) 5.Bc4 (5.d4 Be7=) 5...Qf6 (5...Qh4!? 6.Qe2 Qg5+=) 6.d4+= Bb6 7.Nf3 (7.Qf3 Ng8=) 7...0–0 (better is 7...Qg6!? 8.0–0 Qe4+=) 8.Bd3+= d6 (8...Qe7 9.Bh6 gh6 10.Qd2+=) 9.Bg5 (9.g4 Qd8 10.g5 Nf5 11.ef5 ef5+–) 9...Qg6 10.e5 f5 11.ef6 Nf5? (better is 11...Qe8+/–) 12.g4 +– Nc6 +–. RaymundG – chessdoctor79, internet, 2010.

2.Bb2 Nc6

3.a3 a5 4.Bc3 (4.b5 Nb8+=) 4...b6 (better is 4...ab4!? 5.ab4 Ra1 6.Ba1 Nb4=+) 5.b5+= Na7 6.a4 (6.e3 Bb7 7.Nf3 Nc8=) 6...e6 (6...Bb7 7.Nf3=) 7.g3 (7.e3 Bb7=) 7...Bb7 (7...d5 8.Bg2=) 8.f3 (8.Nf3 f6=) 8...f5 (better is 8...f6=+) 9.h3?? (9.Bg2 d5=) 9...Rg8?? (9...Bd6 10.Bg2–+) 10.Bg2? g6 11.h4 Qb8 12.Nh3 Bc5 13.d4 Bd6= 14.Nd2 Bg3–+ 15.Kf1 Bh4 16.Nc4 Bd5 17.Qd3 Qb7 18.e4 Bc4–/+ 19.Qc4 0–0–0 20.e5 g5 21.f4=+ d5?? 22.Qd3 Rde8 23.fg5= Rg5 24.Ng5+/– Bg5 25.Rh5 Rg8 26.Ke2 c6 27.Qg3?? Qe7?? 28.Rg1?? cb5? 29.Bf3?? Rg6?? 30.Qh2?? Ng4 31.Qg2?? h6 32.Bg4=+ fg4 33.Qh2? Qg7 34.Rg4 ba4 35.Bd2 Nb5?? 36.Kd3?? a3 37.Qg1 Kc7 38.Bg5–/+ hg5 39.Rhg5?? Rg5–+ 40.Rg5 Qf8 41.Rg7 Kc6 42.Qg6 Qf3 43.Kd2 Qf2 44.Kd3 Qd4 45.Ke2 Qe5 46.Kd1 Nc7 47.Qf7 a2 48.Qd7 Kb7 (49.Qc7 Qc7 50.Rc7 Kc7–+) 0–1. Gregor123 – chiha, mySchach.de, 2004.

3.a3 d5 =.

3.a3 e5 4.e3 Nf5 5.Bc4 d5 6.Bb3 Be6 7.Ne2 Bd6 8.Nd4 ed4 9.ed4 Qe7 10.0–0 0–0–0 11.Re1 h5 12.Bd5 Qh4 13.Be6 fe6 14.d5 Qh2 15.Kf1 Qh1 16.Ke2 Qg2 17.d3 Ncd4 18.Bd4 Nd4 19.Ke3 Qd5 20.Kd2 Bf4 21.Kc3 Nb5 22.Kb2 Be5 23.c3 Qc6 24.Re5 h4 25.Rh5 h3 26.Rh8 Rh8 27.Nd2 Qc3 28.Kb1 Qd3 29.Kc1 h2 30.Qh1 Qc3 31.Kb1 Qd2 White resigned 0–1. greenbook (1720) – Tony_Farrell (1755), ChessWorld.net, 2011.

3.b5 Na5 4.d3 d5 5.Nf3 a6 6.a4 b6 7.Nbd2 ab5 8.ab5 Qd7 9.c4 dc4 (9...f6 10.g3+=) 10.dc4 f6 11.e3 e5 12.Be2 Bb4 13.Qc2 0–0 14.0–0 Rd8 15.Rfd1 Kh8 (15...Qf5 16.e4 Qg6 17.Ra4 Bd2 18.Rd2 Rd2 19.Qd2+=) 16.Nb3+/– Qe8 17.Rd8 Qd8 18.Ra4 Qe7 19.c5! Bf5 (19...Bc5 20.Nc5 Combination; 19...bc5 20.Bd3 Decoy) 20.e4 Be6 21.Rb4 Nb3 22.Rb3 Bb3 23.Qb3 Qc5 24.Nd2 Qd6 25.Nb1 Ra7 26.Bc4 f5 27.Qc2 fe4 28.Qe4 Qd1 29.Bf1 Ng4 30.Qf5 Ra8 31.h3 Nh6 32.Qe5 Qd7 33.Nd2 Nf5 34.Nf3 Re8 35.Qf4 Nd6 36.Bd3 Kg8 37.Qg5 Qf7 38.Qh4 Nf5 39.Qb4 Qf8 40.Qc4 Kh8 41.Ne5 Nh6 42.Qe4 Nf5 43.Qf5 Qf5 44.Bf5 Rf8 45.Bd7 Rf4 46.Bc3 Rf6 47.Bc6 Rf4 48.Nd7 Ra4 49.Be5 Ra7 50.Nb8 Ra2 51.Bc7 Ra1 52.Kh2 Ra2 53.Bb6 h6 54.Be3 Rb2 55.b6 Kg8 56.b7 Kf7 57.Nd7 Rb7 58.Bb7 Ke6 59.Nc5 Ke5 60.g4 Kf6 61.Be4 Kf7 62.f4 Ke7 63.f5 Kf7 64.Bd4 Kg8 65.Ne6 h5 66.gh5 g6 67.f6 Kf7 68.Ng5 Ke8 69.Bc6 Kd8 70.Bb6 Kc8 71.f7 gh5 72.f8Q 1–0. Fournier,Frederic (2080) – ZZZZZZtrainer (2000), Active (2/12), 2005.

3.b5 Nb4 4.Nf3 =.

2.Bb2 d5

(--> 1.b4 d5 2.Bb2 Nh6).

3.e3 e6 (--> 1.b4 d5 2.Bb2 e6 3.e3 Nh6).

2.Bb2 d6

(--> 1.b4 d6 2.Bb2 Nh6).

2.Bb2 f6

3.a3 d5 4.e3 g6 (4...a5 5.b5=) 5.c4+= c6 6.h3 (6.Nc3 dc4 7.Bc4 e5+=) 6...Bg7 (6...a5 7.b5=) 7.Nf3 (7.Nc3 dc4 8.Bc4 Nf5+=) 7...Bf5 (7...dc4 8.Bc4 b5 9.Bb3+=) 8.Nc3 (8.cd5 cd5 9.Nc3+=) 8...Nd7 (better is 8...dc4!? 9.Bc4 Bd3 10.Bd3 Qd3+=) 9.cd5+/– cd5 10.Nd5 0–0 (10...Rc8 11.Rc1+/–) 11.Nd4 Be4? (better is 11...Rc8+/–) 12.Ne6+– Qe8 13.Ndc7 Qc8 14.Na8 Re8 15.Ng7 Kg7 16.Rc1 Qa8 17.d3 Bf5 18.Be2 e5 19.0–0 b6 Black prepares e4 20.Qd2 e4 21.de4 Qe4 22.Bf3 Qe6 23.Rfd1 Nb8 24.Qd6 Qg8 25.Qf6# 1–0. scotsrip – pieeater, ChessWorld.net, 2009.

3.b5 g6 4.c4 Bg7 5.e3 Nf7 6.Nf3 0–0 7.Be2 d6 8.0–0 e5 9.d4 Qe7 10.Nc3 Nd7 11.Qb3 Kh8 12.a4 c6 13.h3 Re8 14.Rfe1 Nf8 15.Ba3 Qc7 16.Bb2 Bf5 17.Rac1 Rad8 18.a5 Qe7 19.d5 c5 20.e4 Bc8 21.b6 a6 22.Na4 f5 23.ef5 gf5 24.Qc3 Ng6 25.Nh2 Nf4 26.Qf3 Rg8 27.Nc3 Bf6 28.Bf1 Ng5 29.Qe3 Ngh3 30.Kh1 Qg7 31.g3 Nh5 32.Bh3 f4 33.Qf3 Bh3 34.Qh5 Bg4 35.Qg4 Qg4 36.Ng4 Rg4 37.Ne4 Be7 38.Kg2 fg3 39.f3 Rg6 40.Rh1 Kg7 41.Rh5 h6 42.Rch1 Rf8 43.Bc1 Rh8 44.Be3 Rh7 45.Bc1 Rh8 46.Bb2 Rh7 47.Nc5 dc5 48.Be5 Bf6 49.Bf6 Kf6 50.d6 Ke6 51.Rd5 Kd7 0–1. lousse – vassaya (1700), kurnik, 2012.

3.c4 c6 4.e3 d5 5.d4 Nf7 6.Nf3 e6 7.Qb3 Bd6 8.Nc3 0–0 9.b5 Kh8 10.Ba3 (10.Bd3 dc4 11.Bc4 Qd7+=) 10...dc4 Black is in command 11.Bc4 Qa5 12.Bd6 Nd6 13.0–0 Nc4 14.Qc4 cb5 15.Nb5 Nc6 16.Rfc1 Rd8 17.Rc3 a6 18.Ra3 Qb4 19.Qb4 Nb4 20.Rc1 Rb8 21.Rc4 (21.Nc3 b5+=) 21...Nd5 22.Nc3 (better is 22.Nc7=) 22...b5–/+ 23.Rc5 b4 24.Nd5 ba3 Do you see the mate threat? 25.Nc3 Rb2 26.Kf1 Bb7 27.Ne1 Rc8 28.Rc8 Bc8 29.h3 a5 30.Kg1 Ba6 31.f3 Bc4 32.e4 Ba2 33.d5 ed5 34.ed5 Bd5! 35.Nd3 a2 (35...a2 36.Na2 Ra2–+; 35...Rb3 36.Na2 Rd3 37.Kf2 Rd2 38.Ke3 Ra2 39.g3–+) 0–1. Szeligowski,Paul – Karnisky,Robert, Boulder Colorado, 1992.

3.c4 e5 4.a3 =.

3.c4 e6 4.a3 a5 5.b5 e5 =.

3.c4 e6 4.Qb3 d5 5.e3 Nc6 6.a3 a5 7.cd5 ed5 8.Bb5 ab4 9.ab4 Ra1 10.Ba1 Qd6 11.Nc3 Be6 12.Qa4 Kf7 13.Bc6 bc6 14.Nge2 Ng4 15.f4 h5 16.h3= Nh6 17.Nd4 Bd7 18.Qa5 h4 19.0–0 Be7 20.Qc5 Qc5–/+ 21.bc5 Bc5 22.Na4 Bd6 23.Nb3 Rb8 24.Nac5 Bf5 25.Rc1 Rb5 26.Kf2 g5 27.fg5 fg5 28.Bd4 g4 29.Rg1 g3 30.Ke2–/+ Bc2 31.Rf1 Nf5 32.Na1–/+ Kg6 33.Nc2=+ Bc5 34.Bc5 Rc5 35.Nb4 d4 36.Nd3 Ra5 37.e4 Nd6 38.Rf4 Nc4 39.Rh4 Ra2 40.Nf4 Kf6 41.Kd3 Nd2 42.Kd4 Ra4= 43.Ke3 Nc4 44.Ke2 Ra2 45.Kd3 Ne5 46.Kc3?? Kg5–+ 47.Kd4 Nf3! 48.gf3 Kh4 49.Ke3 g2 50.Ng2 Rg2 51.Kf4 c5 (52.Ke5 Rf2–+) 0–1. Szeligowski,Paul – Karnisky,Robert, Boulder op, 1993.

3.c4 e6 4.Qb3 d5 5.Nf3 dc4 6.Qc4 e5 =.

3.c4 g6 4.d4 Bg7 5.e3 0–0 6.Nf3 d6 7.Be2 Nd7 8.0–0 Nf7 9.Qb3 e5 10.de5 (10.Nc3 f5+=) 10...de5 (10...fe5 11.Nc3=) 11.c5 a5 12.a3 Qe7 13.Bc4 Kh8 14.Nc3 Nd8? (better is 14...c6+=) 15.Nd5+– Nc5 16.Ne7 Nb3 17.Bb3 Bg4 18.h3 Bf3 19.gf3 c6 20.Rfd1 Re8 21.Rd7 Bf8 22.ba5?? (better is 22.Ng8 Bg7 23.Rad1+–) 22...Re7+= 23.Re7 Be7+= 24.Bc3 Kg7 25.Rd1 Kf8 26.a4 Nf7 27.Rd7 Ra7?? 28.Bf7+– Kf7 29.Bb4 h5 30.Re7 Kg8 31.Rc7 Kh8 32.Kf1 Kg8 33.Ke2 Kh8 34.Kd3 Kg8 35.Kc4 b5 36.ab5 Rc7?? 37.b6+– Rb7 38.Kc5 Kf7 39.Kc6 Rb8 40.b7 Ke6 41.a6 Rd8 42.a7 Rd1 43.b8Q Rc1 44.Bc5 Kf5 45.a8Q Kg5 46.Qb2 Rc4 47.f4! ef4 48.ef4 Rf4 49.Be3 Kf5 50.Bf4 Kf4 51.Qf6 Ke4 52.Qg6 Kf3 53.Qh5 Kf2 54.Qf5 Ke3 55.Qa3 (55.Qa3 Ke2 56.Qad3 Ke1 57.Qff1#) 1–0. bluepiramid2 (1640) – vassaya (1775), kurnik, 2011.

3.e3 c6 4.Qh5 g6 5.Qd1 Bg7 6.Nf3 e5 7.Bc4 d5 8.Bb3 0–0 9.c4 Be6 10.cd5 cd5 11.0–0 Nc6 12.b5 Na5 13.Bc2 Nc4 14.Ba3 Na3 15.Na3 Qa5 16.Nb1 Qb5 17.Bb3 a5 18.Nc3 Qd7 19.d4 e4 20.Nd2 b5 21.a4 b4 22.Nb5 Rfc8 23.Rc1 Bg4 24.Qe1 Rc1 25.Qc1 Be2 26.Qc5 Rd8 27.Rc1 Bf8 28.Qc7 Bb5 29.ab5 Qc7 30.Rc7 Nf5 31.Ne4+– Be7 32.g4 Kf8 33.Nf6 Bf6 34.gf5 Rb8 35.fg6 hg6 36.Rc5 Ke7 37.Rd5 Ra8 38.Ba4 Ke6 39.e4 Rc8 40.b6+– Rb8 41.Rb5 Bd4+/– 42.b7 Bc3 43.Bb3 Kf6 44.Bd5 Ke5? 45.Ra5+– Kd6 46.Rb5 Kc7 47.Kg2 Be5 48.Rb4 Kd7 49.Rc4 Rf8 50.f3 Bd6 51.Rc8! Rc8 52.Be6!! Kc7 53.bc8Q Kb6 54.Qd7 Bc7 55.Bf7 Be5 56.Bg6 Ka5 57.Qd5 Kb4 58.Qe5 Kb3 59.Qc7 Kb2 (59...Kb4 60.e5 Kb5 61.Bd3 Kb4 62.Qc4 Ka3 63.e6 Kb2 64.Qb4 Kc1 65.Qc3 Kd1 66.Qc2 Ke1 67.Qe2#) ˝–˝. ejdrzej (1700) – vassaya (1700), kurnik, 2012.

3.e3 e5 (--> 1.b4 e5 2.Bb2 f6 3.e3 Nh6).

3.e3 e5 4.a3 d5 (--> 1.b4 e5 2.Bb2 f6 3.a3 d5 4.e3 Nh6).

3.e3 Nf7 4.Bd3 g6 5.h3 Bg7 6.Nf3 d6 7.0–0 0–0 8.Bc4 Kh8 9.Bf7 Rf7 10.d4 e5 (10...d5 11.Qe2=) 11.Nbd2 (11.de5!? Nc6 12.ed6 Nb4 13.a3+=) 11...Bd7 12.a4 Nc6 13.b5 Ne7 14.Rb1 Qc8 15.Kh2 g5 16.de5 fe5 (16...de5 17.e4 g4 18.hg4 Bg4=) 17.Ne4 (better is 17.Ng5!? Rf5 18.f4+/–) 17...g4 18.Nfg5 Rf8 19.hg4 Bg4 20.f3 Bf5 21.Ng3 Bh6 22.N5e4 Ng6 23.Qe2 Nh4 24.c4 Rg8 25.Rg1 Be4 26.Ne4 Nf5 27.Nf6?? Be3 28.Ng8–/+ Bg1 29.Rg1 Qg8 30.f4?? Re8 31.fe5?? de5 32.Qh5?? Ng7?? 33.Qg5 Attacks the isolani on e5 33...h6= 34.Qg3 Qe6 35.Re1+= The pressure on the isolated pawn grows 35...Nf5?? 36.Qf2 Kh7?? 37.Qc2?? Kg6?? 38.Qe4?? Kg5? 39.Bc1+– Kf6 40.Rf1 Kg6 41.Qg4 Kf6 42.Qh5 Rg8 43.Qh6 Ke7 44.Qh7 Rg7 45.Bg5 Kd6 46.Rd1 Kc5+= 47.Qh5 Qg6 48.Qg6 Rg6+= 49.Bc1 Kc4–+ 50.Bb2 Kb4 51.Rb1 Ka4 52.Be5–/+ Ka5 53.Bg3?? Ka4 54.Bf4 Ka5 55.Kg1 Ka4 56.Kf2 Ka5 57.Kf3?? Ka4 58.Ke4 Ka5?? 59.Kf5+– Ka4?? 60.Kg6 Ka5 61.Kf6 Ka4 62.Ke6 Ka5 63.Kf6 (63.Kf6 Ka4 64.g4+–) 1–0. wojtekkk – janlastovicka, kurnik, 2011.

3.e3 Nf7 4.d4 g6 5.Nf3 Bg7 6.Bd3 d6 7.b5 0–0 8.0–0 e5 9.h3 Be6 10.c4 ed4 11.Nd4 Re8 12.Qf3 Bc8 13.Nc3 Nd7 14.Nb3 Nde5 15.Qe2 Nd3 16.Qd3 f5 17.Na4 Bb2 18.Nb2 Be6 19.a4 Qf6 20.Rab1 Ne5 21.Qc3?? Rf8 22.Nd4= Nd7 23.Rfc1 Rae8 24.Ne6 Re6 25.Qf6 Nf6 26.Nd3 Ne4 27.Nf4 Re5 28.Rc2 g5 29.Ne2 f4 30.f3 Nc5 31.e4 Na4 32.Ra1 Nc5 33.Ra7 h5 34.Nd4 g4 35.hg4 hg4 36.Nf5 gf3 37.gf3 Rf6 38.Rg2 Kf7? 39.Rg7+– Kf8 40.Ra8 Re8 41.Re8 Ke8 42.Rc7 Rg6 43.Kf2 Nd3 44.Ke2 Ne5 45.Rb7 Rg2 46.Kf1 Rc2 47.Nd6 (47.Nd6 Kd8 48.Rh7+–) 1–0. mihai740609 – janlastovicka, kurnik, 2011.

3.e3 Nf7 4.Nf3 g6 5.d4 Bg7 6.Bd3 d6 7.Nbd2 0–0 8.c4 e5 9.0–0 Nc6 10.b5 Ne7 11.h3 Bd7 12.Qc2 f5 13.d5 (better is 13.de5!? de5 14.e4+=) 13...e4+= 14.Bg7 Kg7 15.Nd4? (better is 15.Qb2!? Kh6 16.Be4 fe4 17.Ne4+=) 15...ed3–+ 16.Qd3 Kh8 17.Rfc1 g5 18.a4 f4 19.e4 Ne5 20.Qe2 N7g6 21.Kh2 Nh4 22.g3 fg3 23.fg3 Nhg6 24.Rf1 Rf1 25.Rf1 Qe7 26.Nf5 Bf5 27.Rf5? Rf8 28.Qf2 Rf7 29.Kg2 Rf5 30.Qf5 h6 31.Qc8 Kg7 32.Qb7 Qf7?? 33.Qc8 Nd3–/+ 34.Nf3 Nge5 35.Qf5 Qf5 36.ef5 Nf3 37.Kf3 Kf6 38.g4 Ne5 39.Ke3 Nc4 40.Kd4 Nb6 41.a5 Nd7 42.Ke4 Ne5 43.Kd4 Nf3 44.Ke4 Ng1 45.Kd4 Nh3 46.Ke4 Nf2 47.Kf3 Nd3 48.Ke4 Nc5 49.Kd4 a6 50.b6 cb6 51.ab6 Nb7 52.Kc4 h5! 53.gh5 Kf5 54.Kd4 g4 55.Ke3 g3 56.Kf3 g2! 57.Kg2 Kg5 58.Kf3 Kh5 59.Kf4 Kg6 60.Ke4 Kf6 61.Kf4 Ke7 62.Kg5 Kd7 63.Kf6 Na5 64.Kf7 Nc4 65.b7 Kc7 66.Ke6 Kb7 67.Kd7 Kb6 68.Ke7 Kc5 69.Kd7 a5 (69...a5 70.Kc7 a4 71.Kd7 a3 72.Kc7 a2 73.Kd7 a1Q 74.Ke6 Qf1 75.Ke7 Ne5 76.Kd8 Kb6 77.Ke7 Qf7 78.Kd6 Nc4) 0–1. mihai740609 – janlastovicka, kurnik, 2011.

3.e3 g6 4.g3 c6 5.Nf3 b6 6.Bg2 Na6 7.a3 Nc7 8.0–0 Bg7 9.Nc3 0–0 10.d3 Bb7 11.Rb1 Nf7 12.Nh4 d5 13.Ne2 e5 14.c4 Rc8 15.cd5 cd5 16.Nc3 Ba8 Black prepares the advance d4 17.Qb3 Kh8 18.a4 a6 19.Ba3 Re8 20.e4 d4 21.Qf7 dc3 22.Qb3 Qd3?? 23.Rbd1+– Qe2 24.Rfe1?? Qh5 25.Qc3 Nb5 26.Qe3 Na3 27.Qa3 Red8 28.Rd8 Rd8 29.Qe3 Rd1?? 30.Bf3+– Re1 31.Qe1 Qg5 32.Qc3 Bf8 33.Qc8 Kg8 34.Qa8 Qc1 35.Kg2 Kg7 36.Qa6 Bb4 37.Qb6 Be7 38.Qb7 Kf8 39.a5 f5 40.ef5 Bh4 41.gh4 Qf4 42.fg6 hg6 43.a6 Qh4 44.a7 Qg5 45.Kh3 Qh6 46.Kg2 Qg5 47.Kf1 Qc1 48.Ke2 Qc2 49.Ke3 Qc3= 50.Ke2 Qc2 51.Ke1 Qc1 52.Bd1 Qc3 53.Kf1 Qc4 54.Be2 Qc1+/– 55.Kg2 Qg5 56.Kh1 Qc1= 57.Kg2 Qg5 58.Kf3 Qf4= 59.Kg2 Qg5 ˝–˝. rryy44 – reza9911, kurnik, 2011.

3.e4 c6 4.Bc4 (4.d4 d5 5.ed5 Qd5+=) 4...Na6 5.a3 Nc7 6.Nc3 e6 7.Nf3 d5+= 8.Bb3 Be7 9.d4 0–0 10.Qd3 b6 11.h3 Nf7 12.Ne2 a5 13.c3 Nd6 14.ed5 ed5 15.0–0 Ba6 16.Qc2 Re8 17.Rfe1 Bc4 18.Ng3 Bb3 19.Qb3 Nc4 20.Nf5 Bf8 21.Re8= Qe8 22.Re1 Qd7 23.Ne3 b5 24.Bc1 Ne8 25.Nc4+= bc4 26.Qc2 ab4= 27.ab4 Bd6 28.Bd2 Nc7 29.Nh4 g6 30.Qb2 Nb5 31.Ra1 Qb7 32.Nf3 Kf7 33.Ne1 Re8 34.Nf3 Ra8 35.Ne1 Ra6 36.Nc2 Bb8 37.g3 h5 38.Kg2 h4 39.Ra6 Qa6 40.Be1 hg3= 41.fg3 Qa4 42.Ne3 Qb3 43.Qc1 Qa2 44.Qc2 Qa7 45.h4 Qe7 46.Bf2 Na3 47.Qa4 Qe4 48.Kg1 Nb5 49.Qa8 Qe8 50.Qb7=+ Ke6 51.Nd1 Nd6 52.Qh7 Qf7 53.Qf7 Nf7 54.Kg2 Nd6 55.Kf3 Ne4 56.Be1 Bd6–/+ 57.Ne3 f5=+ 58.g4 fg4 59.Ng4 Bc7 60.Ne3 Nd6 61.Kg4 Nf7 62.Bd2 Bd8 63.Ng2 Nd6 64.Nf4 Kf7 65.h5 gh5=+ 66.Nh5 Ne4 67.Be1 Bc7 68.Kf5 Bd6 69.Nf4 Bf4 70.Kf4 Ke6 71.Kg4 Ke7 72.Kf5 Kd6 73.Kf4 Kc7 74.Ke5 Kb6 75.Ke6 Ka6 76.Kd7 Kb6 77.Ke6 Kb5 78.Kd7 Ng5 79.Kc7 Nf3 80.Bf2 Nd2 81.Kb7 Nb1 82.Be1= Na3 83.Bd2 Nc2 84.Bc1 Nd4 85.cd4+/– c3 86.Kc7 Kb4 87.Kc6 Kc4 88.Bf4?? c2?? 89.Bd2?? Kd3 90.Bg5 Kd4 91.Kb5 Kc3 92.Ka4 d4 93.Ka3 d3 94.Bf6 Kd2 95.Bg5 Kd1 96.Kb2 d2 0–1. Herzog,Ferdinand – Hadjieff,Dieter, AUT–chT2O, 1995.

3.e4 e5 (--> 1.b4 e5 2.Bb2 f6 3.e4 Nh6).

3.e4 e6 =.

3.e4 Nf7 4.Nc3!? +/–.

3.e4 Nf7 4.Bc4 e6 5.a3 c5 (5...a5=) 6.c3 (6.bc5 Bc5 7.d4 Qb6+=) 6...b6 (6...d5 7.ed5 ed5 8.Be2+=) 7.Ne2 (7.Nf3 Nd6 8.Be2 Ne4=) 7...Nd6 8.Bd3 (8.Bb3 c4 9.Bc2 Bb7+=) 8...c4 (8...Nc6 9.f4–/+) 9.Bc2 Bb7 10.Ng3 (10.0–0 Nc6+=) 10...f5 (10...Nc6!?+=) 11.ef5= Bg2 12.Qh5 Nf7 13.Rg1 Bd5 14.d4 Nc6 (14...cd3 15.Bd3 Qc7 16.c4 Bc4 17.fe6 Be6 18.b5+=) 15.Nd2 b5 (15...Qe7 16.Nge4=) 16.0–0–0 (16.fe6 de6 17.a4 g6+=) 16...a5 (16...g6 17.fg6 hg6 18.Qg6+=) 17.fe6 de6+= 18.f4 Qc7 19.f5 0–0–0 20.fe6+/– Be6 21.Rgf1 g6 22.Qb5+– Nd6 23.Qg5 Be7 24.Qe3 Bg4 25.Rde1 Nb5?! 26.Ba4 Nba7 27.b5 Nb8 28.Qe7 Rd7 29.Rf8 Rf8 30.Qf8 Kb7 31.Nge4 Rf7 32.Nd6 (32.Nd6 Ka8 33.Qf7 Qf7 34.Nf7+–) 1–0. mic (2105) – gamebit (2125), net–chess.com, 2007.

3.e4 Nf7 4.Bc4 e6 5.Nf3 Bb4+= 6.Nc3 (6.a3 Ba5+=) 6...Nc6 (6...0–0 7.0–0+=) 7.a3 Bc3 8.Bc3 0–0 9.Rb1 (9.0–0 d5 10.ed5 ed5–/+) 9...d5–/+ 10.Bb5 (10.Bd3 e5–/+) 10...de4 11.Nh4 (better is 11.Bc6 bc6 12.Nd4–/+) 11...Nd4–+ 12.Be2 (12.Bd4 Qd4 13.Rb4 Qc5–+) 12...g5 (worse is 12...Ne2 13.Qe2 g5 14.Qe4–+) 13.g3 (13.f3 gh4 14.fe4 Ng5–+) 13...gh4 14.gh4 e5 0–1. Nerrutis – Wall,Bill, chess.com, 2008.

3.Nf3 e5 4.a3 Nf7 5.g3 d5 6.d3 c6 7.Nbd2 Be6 8.Bg2 Bd6 9.c4 0–0 10.Qc1 Nd7 11.0–0 Rc8 12.Re1 Bb8 13.c5 f5 14.Nb3 e4 15.Nfd2 f4 16.de4 fg3 17.hg3 Nfe5 18.ed5 cd5 19.Nd4 Bg4 20.N2f3 Bf3 21.ef3 Qf6 22.Qe3 Rce8 23.Qd3 Nd3 0–1. giorgo – rawi49, playok.com, 2012.

3.Nf3 e5 4.Nc3 Bb4=+ 5.e4 0–0 6.Bc4 Kh8 7.Nh4 Bc3 8.Bc3 c6 9.0–0 d5 10.ed5 cd5 11.Bb3 Bg4 12.Qe1 Nc6 13.d3 a5 14.Ba4 Bd7 15.Rb1 b6 16.f4 Qc7 17.Bc6= Qc6 18.fe5 f5 19.Bd4+= b5 20.Qg3 Qe6 21.Nf3 f4 22.Qf2 Rf5 23.c4 Ng4?? 24.cd5 Qd5+= 25.Qh4 Nh6 26.e6 Be6?? 27.Qh6+– Qd4 28.Nd4 gh6 29.Ne6 b4 30.Rbc1 a4 31.Rc4 1–0. yaunootz (1655) – Wiacheslav, internet, 2007.

3.Nf3 Nf7 4.g3 e5 5.Bg2 d5 6.a3 Be6 7.d3 Bd6 8.Nbd2 0–0 9.Qc1 c6 10.c4 d4 11.0–0 Bc7 12.Ne4 Nd7 13.Qc2 Nd6 14.Nd6 Bd6 15.Qa4 White plans b5 15...Bc7 16.b5 c5 17.Qb3 Rb8 18.a4 b6 19.a5 f5 20.ab6 ab6 21.Bc1 e4 22.Ng5 Qe7 23.Ne6 Qe6 24.Ra6 Kh8 25.Bd2 Nf6 26.Rfa1 Ng4 Black prepares the advance e3 27.h3 Nf2! 28.Kf2 e3 29.Be3?? Qe3 30.Kf1 Qg3 31.Qd1–+ Qe3 32.Qc1 Qg3 33.Qe1 Qh2 34.Qf2 Bg3 35.Qg1 Qg1 36.Kg1 Rfe8 37.Bf3 Bc7 38.Kg2 Re7 39.Ra8 Ree8 40.R8a7 Re7 41.R1a2 g5 42.Ra8 Ra8 43.Ra8 Kg7 44.Rc8 Kg6 45.Kf2 h5 46.Rh8 g4 47.hg4 hg4 48.Bd5 Kg5 49.Rg8 Kf4 50.Rf8 g3 51.Kf1 Re5 52.Rg8 Re3 53.Bf3 Rf3 54.ef3 Kf3 55.Rg6 Bf4 56.Rg8 Be3 57.Rg6 f4 58.Rg7 Bd2 59.Rg8 Ke3 60.Rg6 1–0. linakip – wira94, kurnik, 2012.

3.f4 d5 4.Nf3 (4.e3 Bf5=) 4...a5 (4...Qd6!?+=) 5.b5= c6 6.a4 Bg4 7.e3 Nd7 8.Be2 Bf3 9.Bf3 (worse is 9.gf3 e5+=) 9...e5 10.fe5 fe5 11.0–0 Qh4 Black plans e4 12.g3 Qg5 13.c4 e4 14.Bh5 Kd8 15.bc6 bc6 16.cd5 cd5 17.Nc3 Nf6 18.Rf6 Qf6 (worse is 18...gf6 19.Nd5 Ng8 20.Bf7+–) 19.Qb3 Qd6 20.Nb5 Qd7 21.Bd4 (21.Nc7 Rc8 (21...Kc7 22.Rc1 Qc6 23.Be5 Bd6 24.Rc6 Kc6 25.Qb5 Kc7 26.Qc5 Kb7 27.Qd5 Ka7 28.Bd4 Kb8 29.Qd6 Kc8 30.Qe6 Kc7 31.Be5 Kb7 32.Qd7 Kb6 33.Bd4 Ka6 34.Be2) 22.Nd5 Bc5+=) 21...Rb8 (21...Ra6 22.Nc3 Bb4 23.Nd5+=) 22.Be5 (22.Qc3 Rc8 23.Bb6 Ke7+–) 22...Rb7? (22...Rc8 23.Nd4 Nf7 24.Qb6 Ke8 25.Qa5+=) 23.Rc1 (better is 23.Qc3+/–) 23...Bb4= 24.Bc7 Ke7–/+ 25.Qb2 Threatening mate: Qxg7 25...d4 26.ed4 Rc8 27.d5 The mate threat is Qxg7 27...Kf8 28.d6 Kg8 29.Qd4 Rb5 30.ab5+– Bd6? 31.Qd5 Kh8 32.Rc6 Qh3?? 33.Rd6 Rf8 The mate threat is Qf1 34.Bf7 Ng4 Threatening mate... how? 35.Qh5 Qh5 36.Bh5 Nf6 37.Be2 a4 38.Ra6 Nd5 39.b6 h5 40.Ra4 e3 41.Rd4 (41.Rd4 Nb6 42.Bb6+–; better is 41.Ra5!? Nb6 42.Rh5 Kg8 43.Bb6 ed2 44.Bc4 Rf7 45.Bf7 Kf7+–) 1–0. Storaas – Karnisky,Robert, Denver Colorado, 1988.

2.Bb2 Rg8

3.a3 f5 4.e3 Nf7 (4...d6 5.Bc4 d5 6.Be2+=) 5.Bc4 (5.Qh5!?–/+) 5...d5+= 6.Bb3 e5 7.Nf3 c6 (7...Qd6 8.d4 e4 9.Ne5+=) 8.0–0 (8.Ne5!? Qh4 9.0–0–/+) 8...Qc7 9.d4 (9.c4 Bd6+=) 9...e4= 10.Nh4?? (Better is 10.Nfd2=) 10...g5–+ 11.Qh5 gh4 12.Qh7?? (12.c4 h3 13.g3–+) 12...Nh6 (Better is 12...Rh8 13.Qg6 Rh6 14.Qh6 Bh6–+) 13.Bc1 (Better is 13.Qc7 Na6 14.Qh7+–) 13...Qh7–+ (14.f4 ef3 15.Rf3 Qg6–+) 0–1. tromar (1840) – weinott, GameColony.com, 2002.

3.Nc3 e5 4.Nf3 d6 5.e3 Bf5 6.Bc4 Nc6 7.Bb5 Qd7 8.0–0 a6 9.Bc6 Qc6 (< 9...bc6 10.e4 Bg4 11.h3 Bf3 12.Qf3+=) 10.d4 Bg4 11.e4 Bf3 12.Qf3 (< 12.gf3 Be7=+) 12...ed4 13.Nd5 a5 (13...Qc2? 14.Bd4 Kd8 15.Rfc1+–) 14.b5! Qc4 15.Bd4 Rc8 16.Qh3 Rb8 17.Qc3 Qc3 18.Bc3 c6 19.Nc7 Kd7 20.Ba5 Be7 21.b6 Bd8 22.Rfd1 Ng4 23.Bb4+– Bc7 24.bc7 Rbc8 25.Bd6 Ke6 26.a4 Nf6 27.e5 Nd5 28.c4 Nf4 29.Rdb1 Nd3 30.Rb7 Ne5 31.c5 Nc4 32.Re1 Kf5 33.Rb4 Na5 34.Re7 f6 35.h3 h6 36.Rf4 Kg6 37.Kh2 Ra8 38.Rg4 Kh7 39.Kg1 Kh8 40.Rb4 Kh7 41.Rbe4 Nb3 42.Kh2 Nd2 43.Rb4 f5 44.Rb6 Nf1 45.Kg1 Nd2 46.Bf4 Ne4 47.Rc6 Kh8 48.Rh6! gh6 49.Be5 Rg7 50.Rg7 Rc8 51.Rd7 Kg8 52.Rd8 Kf7 53.Rc8 Nc5 54.Rh8 Nd3 55.Bh2 Nc1+– 56.c8Q Ne2 57.Kh1 f4 58.Qd7 Kg6 59.Qe6 Kg5 60.Rg8 Kh4 61.Qh6# 1–0. GNUChess – GNUChess, 2000.

3.c4 Na6 4.b5 Nc5 5.Nf3 f6 6.d4+= Ne4 7.Nbd2 d5 8.e3 Bg4 9.cd5 Nd2 10.Qd2 Qd5 11.Be2 (11...Bf3 12.Bf3 Qb5 13.a4+=). Korner – Rettenbacher,W, corr SOK–87–08, 1988.

3.c4 d6 4.e3 e5 5.g3 g5 6.Qc2 Bg7 7.d3 Nd7 8.Nd2 f5 9.Bg2= Nf6 10.f3 Qe7 11.Ne2 Bd7 12.a4 f4 13.e4 Nf7 14.Nb3 Nd8 15.b5 Ne6 16.d4 Nf8 17.d5 b6 18.a5+= Qd8 19.Kd2 Kf7 20.Ra2 Ng6 21.Rha1 Qb8 ˝–˝. Lais,Klaus Joerg – Rupprecht,Heinz, Saarland–chC, 1993.

3.c4 e5 =.

3.e3 d5 4.Nf3 c6 5.c4 e6 6.b5 dc4 7.Bc4 Bd6 8.Qc2 Nf5 9.Qe4 (9.e4 Nh4 10.e5 Nf3 (10...Ng2? 11.Kf1 Nh4 12.Nh4 Be5 13.Be5 Qh4 14.Bg3+/–) 11.gf3 Bc5 12.Qh7 Rf8+=) 9...Nd7 (9...a6 10.bc6 Nc6 11.0–0=) 10.h3 (better is 10.Be6!? Ne7 11.bc6 bc6 12.Bc4+/–) 10...Nc5= 11.Qc2 cb5 12.Bb5 Bd7 13.Bd7 Nd7 14.Ke2 Qc7 (14...Rc8 15.Nc3+=) 15.Nc3 g6 16.Rhc1 Rc8 17.d3 a6 18.Qa4 Qb8 19.Ne4 b5? (better is 19...Be7+/–) 20.Qa6+– Ke7 (20...Bc7 21.Ne5!! Ne7 22.Nd7 Kd7 23.Nf6 Kd8 24.Bd4+–) 21.g4 (21.Nd6?! Nd6 22.Ne5 Qb6 23.Nc6 Ke8 24.Qb6 Nb6+–) 21...Rc1 22.Rc1 Qa8 23.Rc6 Qa6 24.Ra6 Rc8 25.Ke1 (better is 25.gf5 Rc2 26.Nfd2 Rb2 27.Nd6 gf5+–) 25...Nb8?? (better is 25...Bb4 26.Kd1 Nd6+–) 26.Ra7 Rc7 27.Rc7 Bc7 28.Bf6 Kd7 29.gf5 ef5 30.Neg5 Nc6 31.Nd4 Nb4 32.Nb5 Bh2 33.Kd2 Na2 34.Bc3 Ke7 35.Nf3 Nc3 36.Kc3 Bb8 37.Kd4 f6 38.Kd5 g5 39.Nbd4 g4 1–0. Kasper,Peter – Fiedler,Wolfgang2 (1990), Berlin Lichtenberger op 7th, 2008.

3.e3 e6 4.b5 b6 (4...d5 5.Nf3=) 5.Be2 Bb7 6.Bf3 d5= 7.c4 g5 8.g4 f5 9.h3 Bg7 10.d4 Nd7 11.gf5+/– Nf5 12.cd5 ed5 13.Bh5 Kf8 14.Ba3+/– Nd6 15.Bd6 cd6 16.Qf3 Qf6 17.Nc3 Qf3 18.Bf3 Nf6+= 19.Nge2 Ne4 20.Ne4 de4= 21.Bg4 Ke7 22.Ng3 d5 23.Rc1 Kd8 24.Nf5 Bf8= 25.Kf1 Rc8 26.Kg2 Ba3=+ 27.Rc8 Bc8 28.Nh6 Rf8 29.Bc8 Kc8 30.Ng4 Bd6 ˝–˝. Hammerman – Van Esbroeck, corr WCCF–SOK–1, 1995.

3.e4 d5 4.ed5 Qd5 5.Nc3 Qe6 6.Qe2 =.

3.e4 d6 4.d4 g5 5.Bc4 e6 6.Nc3 Nc6 7.b5 Ne7 8.Nge2 Ng6 9.g3 (9.0–0 Bg7+=) 9...c6 10.a4 d5 11.Bd3 f5 12.e5 (12.ed5 cd5 13.0–0+=) 12...c5–/+ 13.dc5 Bc5 14.f4? (14.a5–/+) 14...Ng4–+ 15.Ba3 (15.Rf1 Ne3 (15...Nh2 16.Rh1 Nf3 17.Kf1–+) 16.Qc1 Nf1 17.Kf1 d4–+) 15...Bf2 16.Kd2 (16.Kf1 Ne3 17.Kf2 Nd1 18.Nd1 gf4 19.Bd6–+) 16...Be3 17.Ke1 Nf2 18.Qb1 Nh1 19.Nd1 gf4 (20.Ne3 fe3–+; 19...Bb6 20.fg5 Ne5 21.Bc1–+) 0–1. Miller,J – Johnson,A, corr, 1982.

3.e4 d6 4.d4 g5 5.Bd3 a5 6.b5 Bg7 7.Nf3 (7.Ne2 Nd7+=) 7...Bg4 (7...g4 8.Nfd2 Nd7+=) 8.Nbd2 Bh5 9.Qc1 (9.h3 c5+/–) 9...e6 10.a4 g4 11.Ng1 Nd7 12.Ne2 Qe7 (12...Qf6 13.Nc4+=) 13.Nf4+/– Bg6 14.0–0 0–0–0 15.Nb3 b6 16.Re1 (16.Qd2 Rh8+=) 16...Rde8 (16...Rh8 17.Ng6 hg6 18.Qe3+=) 17.c4 Qg5 (17...Rh8 18.Qd2+/–) 18.Ng6 Qc1 19.Rac1 hg6 20.Ba3 White plans c5 20...f5 (20...Rh8 21.c5 dc5 22.dc5+/–) 21.c5 dc5 22.dc5 Nf7 23.cb6 Nb6 24.Na5 Na4 25.b6 The mate threat is Rxc7 25...Nb6 26.Ba6 Kb8 27.Nc6 Ka8 28.Ne7 Rh8? (better is 28...Be5!? 29.Ng8 Rg8+/–) 29.Ng6+– Rh6 30.ef5 Nd6 31.Bd6 cd6 32.Bd3 e5 33.Rc7 Bf6 34.Ra1 Kb8 35.Raa7 Bd8 36.Rcb7 Kc8 If Black now only could play Bc7... 37.Ba6 (37.Ba6 Bc7 38.Rc7 Kd8 39.Rcb7 Rg6 40.Rb8 Nc8 41.Rc8) 1–0. Popstein,Sheila – Deline, email 4AMM–06, 1997.

3.e4 d6 4.Nf3 e5 5.Nc3 g5 6.h4 g4 7.Ng1 Be6=+ 8.Nge2 c5 9.bc5 Nc6 10.cd6+= Bd6 11.Ng3 f5 12.ef5+/– Nf5 13.Nge4 Be7 14.Bb5 Qb6 15.Rb1 0–0–0 16.Bd3 g3 17.Ba3 gf2 18.Nf2 Nb4 19.Bb4 Bb4 20.Bf5 Bf5 21.Qf3 Rgf8+= 22.0–0 Be6 23.Qe2 Rg8 24.Nce4 Qa5 25.d3+/– Be7 26.c4 Qc7 27.Qe3 Kb8 28.Ng5 Bc8 29.Nfe4 Rg7 30.Rf2 Rdg8 31.Kh1 Rg6 32.Rf7 h6= 33.Nf3 Rg2 34.Nf6+/– e4 35.Qe4 Qg3 36.Qe5 Qe5 37.Ne5 Bf6 38.Rf6 Re2 39.d4 Bh3 ˝–˝. Gls1968 – Per Aspera, ChessWorld.net, 2005.

3.e4 g6 4.Be2 Bg7 5.Bg7 Rg7 6.Nf3 Nc6 (6...g5 7.0–0+=) 7.b5+/– Na5 (7...Nb8 8.d4+/–) 8.0–0 b6 9.d4. Trkn – Niklas, itsyourturn.com, 2001.

3.Nf3 e5 4.a3 e4 5.Ng1 d5 6.e3 c5 7.c3 a5 8.b5 c4 9.a4 Nd7 10.Ne2 Ne5 11.Nc1 Nf5 12.Qh5 Rh8 13.Rg1 Qf6 14.Qd1 Nh4 15.Be2 Qg6 16.Kf1 Ng2! 17.Bh5 (17.Rg2 Bh3) 17...Bh3 18.Bg6 Ne3 19.Ke1 Nd1 20.Bf7 Kf7 (20...Nf7?! 21.Kd1 h5 22.Ba3–+) 21.Kd1 Bd6 22.Rh1 Ng4 23.Ke2 Raf8 24.Ba3 Ke7 25.Rg1 Rf2 26.Kd1 0–1. MacChess 5.0 – MacChess 5.0, 2000.

3.a3 a5

4.b5 d5 5.e3 Bg4 6.Nf3 e6 7.Be2 Nf5 8.0–0 Nd6 +=.

4.b5 d6 5.e4 Nd7 6.d4 e5 7.Nf3 ed4 8.Bd3 Be7 +=.

4.Nc3 ab4 5.ab4 Ra1 6.Ba1 d5 7.Nf3 Bg4 8.Ne5 Bh5 =.

4.Nc3 d5 5.Nf3 Bg4 6.h3 Bf3 7.ef3 e6 8.b5 d4 =.

4.Nc3 d6 5.Nf3 e5 6.e4 g5 7.h3 Nd7 8.d4 Bg7 +=.

4.Nc3 e5 5.Nf3 f6 6.d4 ab4 7.ab4 Ra1 8.Ba1 Bb4 =.

4.e4 e6 5.ba5 Nc6 6.Nf3 Na5 7.Nc3 d5 8.ed5 ed5 +=.

4.Nf3 ab4 5.ab4 Ra1 6.Ba1 d5 7.e3 f6 8.Bd3 Bf5 =.

4.Nf3 d5 5.e3 f6 6.Bd3 g6 7.e4 e5 8.ed5 ab4 +=.

3.a3 d5

4.e3 a5 5.Nf3 ab4 6.ab4 Ra1 7.Ba1 f6 8.Bd3 Bf5 =.

4.e3 Bf5 5.Nf3 e6 6.Be2 c5 7.bc5 Bc5 8.0–0 Nc6 =.

4.e3 g5 5.c4 a5 6.Qa4 Bd7 7.b5 c6 8.cd5 cd5 +=.

4.Nf3 a5 5.e3 f6 6.d4 Bf5 7.b5 e6 8.Be2 Nd7 +=.

4.Nf3 e6 5.e3 f6 6.d4 a5 7.b5 Nf5 8.Bd3 g5 –/+.

4.Nf3 Bf5 5.e3 e6 6.Nc3 c6 7.Be2 Bd6 8.0–0 Qc7 =.

4.Nf3 f6 5.e3 e5 6.Be2 a5 7.b5 Be6 8.0–0 Bd6 =.

4.Nf3 Bg4 5.e3 Nd7 6.Be2 e6 7.Nc3 Nb6 8.e4 c6 +=.

4.Nf3 g5 5.h3 Bf5 6.e3 e6 7.d3 c5 8.bc5 Bc5 =.

3.a3 d6

4.e4 a5 5.Nf3 e5 6.d4 ab4 7.ab4 Ra1 8.Ba1 d5 +=.

4.e4 a6 5.d4 Nd7 6.Nf3 g5 7.h4 g4 8.Ng5 Rg7 +=.

4.e4 Nc6 5.b5 Ne5 6.d4 Ng6 7.Nf3 e6 8.Bd3 Nf4 +=.

4.e4 Bd7 5.d4 a5 6.Nf3 e5 7.b5 ed4 8.Bd3 c5 –/+.

4.e4 Nd7 5.d4 e5 6.Nf3 g5 7.h4 g4 8.Ng5 Rg7 +=.

4.e4 e5 5.Nf3 g5 6.h3 Bg7 7.Nc3 Nc6 8.Bb5 f5 +=.

4.e4 e6 5.d4 a5 6.b5 d5 7.Bd3 f5 8.ed5 ed5 –/+.

4.e4 Ng4 5.d4 d5 6.Nc3 de4 7.Ne4 Nf6 8.Bd3 Nbd7 –/+.

4.e4 g5 5.Bc4 Bg7 6.Bg7 Rg7 7.Ne2 Nd7 8.d4 e5 +=.

3.a3 e6

4.Nc3 a5 5.ba5 d5 6.Nf3 Ra5 7.e3 Nd7 8.e4 Nc5 =.

4.Nc3 c5 5.bc5 Bc5 6.e3 d5 7.Bd3 e5 8.Bh7 Rh8 +=.

4.Nc3 d5 5.Nf3 c5 6.bc5 Bc5 7.e3 Nc6 8.d4 Bb6 +=.

4.Nc3 d6 5.e4 e5 6.Nf3 g5 7.h3 Bg7 8.Bc1 Be6 +=.

4.Nc3 e5 5.Nf3 d6 6.d4 ed4 7.Nd4 Be7 8.e4 Bf6 +=.

4.e3 a5 5.b5 d5 6.Bd3 Nd7 7.Bh7 Rh8 8.Bd3 e5 +=.

4.e3 d5 5.Nf3 a5 6.ba5 Nd7 7.Be2 Bd6 8.Nc3 c6 +=.

4.e3 d6 5.Bd3 Rh8 6.Nf3 e5 7.Nc3 g5 8.0–0 Be6 +=.

4.Nf3 a5 5.ba5 d5 6.e3 Nd7 7.Be2 Ra5 8.0–0 Bd6 +=.

4.Nf3 c5 5.bc5 Bc5 6.d4 Bb6 7.e3 d5 8.Bd3 Nf5 +=.

4.Nf3 d5 5.e3 f6 6.d4 a5 7.b5 Nf5 8.Bd3 g5 –/+.

4.Nf3 d6 5.e4 g5 6.h3 e5 7.Nc3 Bg7 8.Rb1 g4 +=.

4.Nf3 Be7 5.e3 d5 6.Bd3 Bf6 7.Bf6 gf6 8.Nh4 f5 +=.

4.Nf3 g5 5.e4 g4 6.Ne5 d6 7.Nc4 d5 8.ed5 ed5 =.

3.a3 g5

4.c4 a5 5.e4 e5 6.Be5 Nc6 7.Bb2 ab4 8.Ne2 Qe7 =.

4.c4 d6 5.d4 Bg7 6.e3 e5 7.Bd3 ed4 8.Bd4 Nf5 +=.

4.c4 Bg7 5.Bg7 Rg7 6.d4 e5 7.e3 a5 8.b5 ed4 +=.

4.e4 d5 5.ed5 Qd5 6.Nc3 Qe6 7.Be2 Bg7 8.d4 Nf5 +=.

4.e4 e6 5.d4 a5 6.ba5 Ra5 7.Bd3 d6 8.Ne2 Nc6 9.0–0 Bg7 10.Nd2 Ra7 11.Bb5 Qe7 12.c4 Bd7 13.Re1 Rf8 14.Rb1 f5 15.d5 Bb2 16.Rb2 Ne5 +=. marekt – DeMaddin, ChessWorld.net, 2003.

4.e4 Bg7 5.Bg7 Rg7 6.Bc4 c6 7.Nc3 b5 8.Bb3 a5 +=.

3.c4 e6

4.a3 g5 5.e3. Benjap – DeMaddin, ChessWorld.net, 2003.

4.Qa4 Na6 =.

4.Qa4 Qh4 =.

4.b5 b6 5.Qc2+= f5 6.Nf3 Bb7 7.Nc3 g5 8.h3 (8.e4 a6=) 8...Qe7 (8...a6 9.e4=) 9.e4 g4 (9...Bg7 10.d3=) 10.hg4+= fg4 11.Nh4 (11.Ne5 d6 12.Nd3 Nd7+=) 11...d6 (11...Bg7 12.f4+=) 12.d4+= Nd7 13.0–0–0 (13.Bd3 0–0–0+=) 13...Bg7= 14.Kb1 (14.f4 a6=) 14...Bf6 (14...a6 15.Ne2=) 15.g3 (15.Nf5 ef5 16.Rh6 Qg7=) 15...Qg7 (15...a6 16.Ng2 Bg7 17.Qd2 ab5 A) < 18.Rh6 b4 19.Nb5 Bh6 20.Qh6 Be4 21.Bd3 Bd3 (< 21...Bg2 22.Nc7 Kd8 23.Na8 Ba8 24.Qh7 Qh7 25.Bh7=) 22.Rd3 Nf8=+; B) 18.cb5=) 16.Ng2 0–0–0 (16...a6 17.Nf4 Nf8 18.Nh5+=) 17.Nf4 Rde8 18.Nh5 Qg6 19.Nf6 Nf6 20.Bd3 e5 21.de5 de5 22.Nd5 Qg7 (22...Rgf8+=) 23.f4 (better is 23.Bc1!? Nf7 24.Nf6 Qf6 25.Rh7+/–) 23...gf3= 24.Rdf1 Nhg4 (24...Nd5 25.cd5 Rgf8 26.Qh2=+) 25.Rf3+= Rgf8 26.Rhf1 Qh6 (26...Kb8 27.Rf5+=) 27.Be2 Qg6 28.Bc1 (28.Ba3 Rf7 29.Rf5 Bd5 30.cd5 Ne3=) 28...Re6 (28...Bd5 29.cd5 Kb8+/–) 29.Rf5+/– h5?? (29...Rg8+/–) 30.Bg4+= Qg4?? (30...hg4 31.Rf6 Rff6 32.Rf6 Qe8+–) 31.Bb2 (31.Nf6 Rff6 32.Rf6 Be4 33.Rf8 Kb7–+) 31...Qg7 32.Re5 (32.Be5?! Re5 33.Re5 Nd5 34.Rf8 Qf8 35.ed5 Qg8+–) 32...Bd5 33.cd5 (33.Rd5?! Nd5 34.Bg7 Rf1 35.Kb2 Nb4+=) 33...Re5 34.Be5 Ne8 (34...c5 35.bc6 Qe7 36.Rf5 Qb4 37.Ka1+–) 35.Bg7 Rf1 36.Kb2 Ng7 37.e5 1–0. Fehr,Wolfgang – Van Esbroeck, corr SOK–93–98, 1995.

4.b5 b6 5.Nc3 Bb7 6.e3 d6 7.Qc2 Nd7 8.d4 a5 9.a4 Ra7!? 10.Nh3?! Qh4! 11.0–0–0 Ng4 12.Kb1 Be7 13.Ka1 g5 14.Qd2 f5! 15.f3 Ngf6 16.Nf2 g4! 17.fg4 Ng4 18.Ng4 Qg4 19.Rg1 Bg5 20.Qf2 Qh4 21.g3 Qh6 22.Re1 Rf8 23.Be2! Kd8 24.Bf3 ˝–˝. Mueller – Schlenker, corr 1979–80.

4.b5 b6 5.e3 Bb7 6.Nf3 f5 (6...a6 7.Bd3+=) 7.Be2 g5 8.Kf1 (8.0–0!?+=) 8...g4= 9.Ne1 (9.Ne5 a6=) 9...Qh4 10.Be5 (10.Kg1 Nf7=) 10...d6 (10...Kd8 11.d4=) 11.Bg3 Qf6 12.Nc3 Nd7 13.d4 Be7 14.h3 (14.Kg1 a6=) 14...0–0–0 15.hg4 Ng4 16.Bg4 Rg4 17.Rh7 Rh8 18.Rh8 Qh8 19.Kg1 (19.Ke2 Qh1=) 19...Bh4 20.Ne2 Nf6 (20...e5 21.c5 dc5 22.de5 Ne5 23.Rc1=+) 21.Nf3 (21.c5 Ne4 22.c6 Ba8=+) 21...Bg3 (21...Bf3 22.gf3 Rg5 23.Kf1=) 22.Ng3= Ne4 23.Ne4 Be4 24.Ne1 Rh4 25.f3 Rh1 (25...Bb7 26.Kf2=+) 26.Kf2= Qh4 (26...Bb7 27.Ke2=) 27.Ke2+= Qh5 (27...Bb7 28.a4+=) 28.Kd2 Bb7 29.a4 Qh4 30.a5 e5 31.Ke2 Qg3 (31...f4 32.ab6 ab6 33.de5 fe3 34.Qc1+=) 32.ab6 ab6 33.Qb1 e4 (better is 33...f4 34.Qf5 Kd8 35.Qf8 Kd7 36.de5 fe3 37.e6 Ke6 38.Qe8 Kf6 39.Qe3 d5+/–) 34.fe4 (better is 34.d5+/–) 34...Be4=+ 35.Qc1 ˝–˝. Sternik,Ryszard – Van Esbroeck,Dirk, corr SOK–92–98, 1993.

4.b5 d5 5.e3 =.

4.b5 d5 5.Nf3 =.

4.b5 d6 5.e4 =.

4.b5 Qh4 5.Qc2 (5.e3 Ng4 6.g3 Qg5+=) 5...Ng4+= 6.g3 Qd8 (6...Qh5!?+=) 7.Qh7+/– Nf6?? (better is 7...Nh6+/–) 8.Bf6+– Qf6 9.Nc3 (9.Qg8?? Qa1 10.f4 Qb1 11.Kf2 Qa2–+) 9...d5 (9...d6 10.Qg8 Nd7 11.h4+–) 10.e3 (10.Qg8 dc4 11.e3 a6 12.Bc4 ab5 13.Bb5 c6+–) 10...Nd7 11.Rc1 (11.Qg8 Qh6 12.g4 Nf6+–) 11...dc4?? (11...Qh6 12.Qh6 (12.Qg8?! Nf6 13.Qf8 Kf8=) 12...gh6 13.cd5+–) 12.Bc4 (better is 12.Qg8 Qh6 13.g4+– (13.Bc4?! Nf6 14.Qf8 Kf8=)) 12...Qh6+/– 13.Qc2 (13.Qh6 gh6 14.d4 a6+/–) 13...Ba3 14.Rb1 (14.Rd1 Nb6 15.Be2 Rh8+/–) 14...Ne5 (14...Nb6 15.Be2+=) 15.Be2+/– f5 (15...Bd6 16.d4 Nd7 17.Nf3+/–) 16.d4 Nf7 17.Bf3 (17.b6 c6 18.Qa4 Bd6+–) 17...g5 (17...Bd6 18.h3+/–) 18.h3 (18.b6 c6 19.Qa4 Bd6 20.Bc6 Kd8 21.Qa7 Rb8+–) 18...Qf6 (18...Bd6 19.h4+/–) 19.Bg2 (19.b6!? ab6 20.Nb5 Bd6 21.Nc7 Bc7 22.Qc7 Qe7+–) 19...Bd6+/– 20.Qa4 Kf8 21.e4 fe4 22.Ne4 Qg6 23.Ne2 Kg7 24.0–0 a6 25.Qc4 ab5+/– 26.Rb5 c6 27.Rb2 Ba3 1–0. Baldauf,Ernst (1940) – Babinetz,Rainer (1725), Wattens op 8th, 1993.

4.c5 Nc6 5.b5 Nb4 6.a3 Nd5 7.d4 f5 8.Nc3 Nc3 9.Bc3 b6 10.Bb4 Bb7 11.Nf3 Qf6 12.Rc1 Be4 13.e3 Ng4 14.h3 Qh6 15.Bd3 Nf6 16.0–0 g5 17.Ne5 d5 (better is 17...Bd3!? 18.Qd3 g4 19.hg4 Ng4 20.Ng4 Rg4=) 18.cb6+/– cb6 19.Qc2 Rd8 20.Qc7 Nd7 21.Nf7!! Kf7 22.Qd8 Nf6 23.Qc7 Kg6 24.Be4 de4 25.Bf8 Rf8 26.Qa7 Nd5 27.Qd7 Kh5 28.Rc6 Rf6 29.Rc8 Qg6 30.Qd6 Kh6 31.a4 f4 32.Re1 f3 33.g4 Rf7 34.Rec1 Kg7 35.Re8 Rf6 36.Rcc8 Qf7 37.Qe5 h6 38.Rh8 Ne7 39.Rcf8! Qg6 (39...Qf8 40.Rf8) 40.Rf6 Qf6 41.Rh7! Kh7 42.Qf6 Ng8 43.Qe6 Kg7 44.Qe4 Nf6 45.Qf3 Kg6 46.Qc6 Kg7 47.Qb6 Kg6 48.Qe6 Kg7 49.b6 Ne4 50.Qe4 Kf7 51.b7 h5 52.b8Q hg4 53.Qf5 Kg7 54.Qbf8# 1–0. Sigma – Sigma, 2000.

4.d4 Bb4=+ 5.Bc3 Nc6 (5...Be7 6.Nf3=+) 6.Bb4 (6.e3 Nf5=+) 6...Nb4 7.Nf3 (7.e3 d6=+) 7...d6 8.Qa4 Nc6 9.d5? (better is 9.e3=+) 9...Qf6–+ 10.dc6 b6 11.Qc2 (11.e3 Qa1 12.Bd3 f5–+) 11...Qa1 12.Qh7? (12.e3–+) 12...g6 (< 12...Qa2 13.e3–+) 13.Nfd2 (13.Qh6 Qb1 14.Kd2 Qa2 15.Kc3 Qa3 16.Kc2 Qa4 17.Kc3–+) 13...Rh8 14.Qh8 Qh8 0–1. markmooney – marekt, ChessWorld.net, 2004.

3.e4 e6

4.a3 a5 5.ba5 Nc6 6.Nf3 Na5 7.Nc3 d5 8.Bd3 d4 +=.

4.a3 a5 5.b5 =.

4.a3 d5 5.Nc3 +=.

4.a3 d5 5.Bd3 +=.

4.a3 d5 5.ed5 ed5 6.Nf3 c5 (6...Bg4 7.Be2+=) 7.Qe2+= Qe7 8.bc5 Qe2 9.Be2 Bc5 10.Nc3 (10...Be6 11.0–0+=). Schirmer,Michael – Rossbach, corr SOK–90–63, 1990.

4.a3 g5 5.d4 a5 6.b5 d6 7.Bd3 d5 8.e5 Nf5 9.Qh5 h6 (9...h6 10.Ne2 g4+=). michaelbuss – DeMaddin, ChessWorld.net, 2003.

4.b5 b6 5.d4 Bb7 (5...a6 6.Nf3=) 6.Bd3 g6 (6...a6 7.a4=) 7.Nf3+= f5 8.e5 g5 9.0–0 g4 10.Ne1 d6 (10...a6 11.a4+=) 11.Qe2 Rg6 12.c4 (12.Nd2 Qh4+=) 12...Bg7 (12...de5 13.Qe5 Bd6 14.Qe3+=) 13.Nd2 (13.ed6 cd6 14.Nc2 a6+=) 13...de5 14.de5 Nd7 15.Bc2 Qh4 16.Rd1 0–0–0 17.f4 gf3 18.Nef3 (18.Ndf3!? Qh5 19.Nd3=) 18...Qh5–/+ 19.g3 (19.c5!? Nc5 20.Nc4–/+) 19...Ng4 20.c5 Nc5 21.Nc4 (21.a3 Nd7–+) 21...Nh2! 22.Rd8 (22.Nh2 Rg3) 22...Kd8 23.Qh2 Bf3 (23...Bf3 24.Qh5 Bh5–+) 0–1. Plock,Joerg – Van Esbroeck,Dirk, email SOK–99–E005A, 1999.

4.b5 b6 5.Nf3 Bb7 6.Nc3 f5 (6...Bb4 7.Bd3+=) 7.Bd3 g6 8.Qe2 Qe7 (8...a6 9.a4+=) 9.a4 a6 10.Ba3 (10.0–0 Bg7+=) 10...Qf7 (10...Qf6 11.ba6 Na6 12.e5+=) 11.ba6 (11.a5 Ba3 12.Ra3 Qe7+=) 11...Na6 12.e5 (12.Bf8 Rf8 13.a5 ba5 14.Ra5 Nb4 15.Ra8 Ba8+=) 12...Qg7 (12...Ba3 13.Ra3 Qe7 14.Ra1=) 13.Bf8 Qf8 (13...Rf8 14.0–0+=) 14.0–0 (14.a5 ba5 15.Ra5 Nb4 16.Ra8 Ba8=) 14...Nc5 (14...Nb4 15.Rfb1+=) 15.Bc4 d6 (15...g5!?+=) 16.Ng5 Qe7 (16...Rg7 17.Ne6 Ne6 18.Be6 de5 19.Qe5+/–) 17.Ne6!+– Ne6 (17...Qe6 18.Be6) 18.ed6 cd6 19.Be6 Rg7 20.Nd5 (better is 20.Rfb1 Ra6 21.a5+–) 20...Ba6? (better is 20...Bd5 21.Qb5 Kf8 22.Qd5 Ra5+–) 21.d3 (21.Ne7?! Be2 22.Rfe1 Re7 23.Re2 Kd8+/–) 21...Qg5 22.f4 (22.Bd7 Kf8 23.Nc7 Re7 24.Ne6 Re6 25.Qe6 Nf7+–) 22...Qh4 (22...Qd8 23.Rfb1+–) 23.Bf5 (23.Nb6 Rb8 24.Rfe1 Kd8+–) 23...Kf8 24.Be4 (24.Nb6?! Nf5 25.Na8 Qd8+–) 24...Re8 25.Qe1 (25...Qd8 26.Qb4+–) 1–0. Psion – Van Esbroeck,Dirk, 3 min/Zug, 1992.

4.b5 d5 5.Bd3 =.

4.d4 Bb4=+ 5.c3 Be7 6.Nf3 b6 (6...d5 7.Bd3=+) 7.e5 Bb7 8.Bd3 g6 (8...Nf5 9.0–0=+) 9.0–0 f5 10.Bc1 Nf7 11.Qe2 g5 12.Ne1 g4 13.Nc2 a5 14.Nd2 Nc6 15.Re1 Bg5 16.Ba3 Bd2 (16...Bf4 17.Rab1=+) 17.Qd2= Qg5 18.Qe2 Ne7 19.Bc1 Qh4 20.Bf4 Nd5 21.Bg3 Qg5 22.c4 Nf4 23.Bf4 Qf4 24.Rab1 Ng5 25.Qe3 (25.Qd1 Ne4 26.Be4 Be4–/+) 25...Nh3 (25...Qe3!? 26.Ne3 Ne4=+) 26.gh3= gh3 27.Kf1 Qh2 28.Ke2 f4 29.Qd2 Qf2 30.Kf2 Rg2 31.Kf1 Rd2 32.Re2?? (32.Red1 h2 33.Be4 Be4 34.Rd2 h1Q 35.Ke2 Qg2 36.Kd1 Qf1 37.Ne1 Bb1 38.c5 bc5 39.Re2 cd4 40.Rg2–+) 32…h2 (33.Rh2 Rh2–+ (33...Rd3?! 34.Rh7 Be4 35.Rh8 Ke7 36.Ra8 Ba8 37.Rb2–+)) 0–1. Seack,Ingo – Van Esbroeck,Dirk, corr SOK–92–88, 1992.

4.Nf3 Bb4= 5.Bc4 (5.Be2 Nc6=+) 5...d5=+ 6.ed5 ed5 7.Be2 (7.Qe2 Kf8 8.Bd3 Bf5=+) 7...f6 8.Nc3 (8.0–0 Kf7=+) 8...Kf7 (9.a3 Bc5=+). gamuxi – marekt, ChessWorld.net, 2004.

4.a3 b6

5.Nf3 Bb7 6.Nc3 a5 7.b5 +=.

5.Nf3 Bb7 6.Nc3 d5 7.ed5 ed5 8.Bd3 Qe7 9.Qe2 Qe2 10.Ne2 f5 11.Ned4 g6 12.0–0 Nd7 13.Rfe1 Kd8 14.Ne6 Kc8 15.Nf8 Nf8 16.Re7 Bc6 17.Rae1 a6 18.Bg7 Ng4 19.h3 Nf2 20.Kf2 Kb7 21.Nd4 Ba4 22.c4 (22...Rd8 23.Bf8 Rdf8 24.cd5+–) 1–0. Psion – Van Esbroeck,Dirk, 3 min/Zug, 1992.

5.Nf3 Bb7 6.Nc3 g5 7.h4 (7.h3 a5 8.b5 f5+=) 7...g4= 8.Ng5 (8.Ne5 d6 9.Nc4 Be7=) 8...Bg7+= 9.Bd3 (9.e5 Be5 10.d4 Bh8 11.Nh7 Nf5–/+) 9...Rh8 10.Bb5 (10.e5 Bg2 11.Rg1 Bb7+=) 10...a6–/+ 11.Ba4 b5 12.Bb3 Nc6 (12...f6 13.Be6 fg5 14.Bg4–/+) 13.a4+= Nb4 14.ab5 f6 15.Na2 (15.Ra4 a5 16.Ne2 c6–/+) 15...Na2–/+ 16.Ra2 ab5 17.Qe2 (17.Ra8 Qa8 18.Qe2 A) 18...fg5 19.Bg7 Rg8 20.Bh6 (worse is 20.hg5 Rg7 21.gh6 Qa1 22.Qd1 Qd1 23.Kd1 Rf7+=) 20...Be4 21.0–0 Bg2 22.Qg4 Bf1 23.Kf1 Qh1 24.Ke2 Qh4 25.Be6–/+; B) 18...Bc6–+) 17...c6 (17...fg5? 18.Bg7 Ra2 19.Ba2+–) 18.Ne6 de6 19.Ra8 Qa8 20.Be6 Ke7 (20...Bc8 21.Bb3–/+) 21.Bb3 Rd8 22.Qe3 White begins to deal mighty blows 22...Qa5 (22...Rc8 23.Qc5 Ke8 24.Qd6–/+) 23.e5+= f5 The passed pawn on e5 will quickly become a dangerous weapon 24.Bc3 Qc7 25.Bb4 Ke8 (25...Kd7 26.Bd6 Qd6 27.ed6–/+) 26.Bd6+= Qd7 27.Qg5 Ra8 28.0–0 Plans e6 28...c5 29.Bc5 Ra6?? (better is 29...g3 30.Qg3 Ng4=) 30.e6+– Re6 31.Be6 Qe6 32.Qg7 (32.Qg7 Nf7 33.Ra1+–) 1–0. Andersson,Egart – Van Esbroeck,Dirk, email, 1998.

5.d4 Bb7

6.Nd2 a5 7.b5 +=.

6.Nd2 d5 7.Bd3 c5 8.c4 cb4 9.ab4 de4=+ 10.Be4 Be4 11.Ne4 Bb4 12.Nc3 White plans d5 12...Nc6 13.Nf3 Nf5 Now all is on d4 14.d5 ed5 15.cd5 Nce7?? (15...Bc3 16.Bc3 Nce7–/+) 16.Qa4+– Qd7 17.Qb4 Nd5 Opening the d–file gets White a lot of play (17...f6 18.0–0+–) 18.Qe4 (18.Nd5 Qe6 19.Ne3 Ne3 20.Qb5 Qd7+–) 18...Qe6 19.0–0 (19.Ne5 Nfe7 20.0–0+–) 19...Qe4–/+ 20.Ne4 f6 21.Rfd1 Nfe7 22.Nd4 (22.Nd6 Kd7 23.Nb5 a5+–) 22...Kf8? (22...a5 23.Nc6+–) 23.Nc6 (23.Nd6!? Rh8 24.Ne6 Kg8+–) 23...Nc6 24.Rd5 Kf7 25.Re1 (25.Nd6 Ke6 26.Rd2 Rgd8+–) 25...Rgd8–/+ 26.Rb5 (26.Nd6 Kf8–/+) 26...Nd4 27.Bd4 Rd4 28.Nc3 (28.f3 Rad8–/+) 28...Rc8+= 29.Rb3 Rd3 30.Rc1 (30.Ne4!? Rb3 31.Nd6 Kg6 32.Nc8+=) 30...Rcc3?? (31.Rbc3 Rd7+–; 30...b5 31.g4 a6=+) 0–1. Hasler,Ulrich – Gmuer, corr, 1990.

6.Nd2 d5 7.Bd3 c5 8.bc5!? bc5 9.ed5 Bd5 10.Ngf3 cd4 11.Qe2 +=.

6.Nd2 d5 7.Bd3 c5 8.bc5!? bc5 9.e5 +=.

6.Nd2 d5 7.ed5 Bd5 8.c4 +=.

6.Nd2 f5 7.ef5 ef5 8.Ngf3 g5 9.Ne5 g4 10.Qe2 Qe7 11.0–0–0 d6=+ 12.Nd3 Qe2 13.Be2 Bg2 14.Rhe1 Be7 15.Nf4 Bb7 16.Bc4 Nc6 17.Bg8 Ng8 18.Ne6 Kd7 19.Nc4 (19...d5 20.Nd2+=; better is 19.d5!? Nd8 20.c4+/–) 1–0. Diener,Rudolf – Rettenbacher,W, corr SOK–87–08, 1988.

6.Nd2 g5 7.Bd3+/– g4 8.Ne2 f5 (8...a5 9.b5+/–) 9.0–0 Qf6 10.c4 Nc6 11.f4 gf3+= 12.Rf3 Ne7 13.Qc2 Bg7 14.Nf4 Qg5 15.Raf1 0–0–0 16.Rg3 Qh4+= 17.Rh3 Qg5 18.Rh5+/– Qf6 19.Nb3 Rdf8 20.e5+= Qf7 21.Qd2 Ng6 22.Ng6 Qg6 23.Rg5 Qe8 24.Rg3 Ng4 25.Qe2 Bh6 26.Bc1 Rg6 (27.c5 Bd5+/–; 26...Qh5!? 27.h3 Qh4 28.hg4 Bc1=). Ross,S – Van Esbroeck, corr WCCF–SOK–1, 1995.

6.Bd3 a5 7.b5 +=.

6.Bd3 g6 7.Ne2 f5 8.Nd2 Bg7 9.0–0 Qf6 10.c4 d6 11.Qa4 Nd7 12.c5 dc5 13.bc5 bc5 14.Rab1 Qe7 15.dc5 Bb2 16.Rb2 fe4 17.Ne4 Be4 18.Be4 Rd8 19.Nd4 Qf6 20.Rb7+– e5 21.Nb5 (21...Kf7 22.Bd5 Kf8 23.Bg8 Kg8 24.Nc7+–) 1–0. Cottarelli,Franco – Van Esbroeck, corr 3GMM–33, 1995.

3.Nf3 e6

4.a3 a5 5.ba5 d5 6.e3 +=.

4.a3 a5 5.b5 +=.

4.a3 b6 5.e3 Bb7 6.Bd3 f5 7.0–0 g5 8.Ne5 g4 9.Bb5 Nc6 10.Bc6 dc6 11.d4 Bd6 12.c4 Qe7 13.Qa4 Be5 14.de5 a5 15.Qb3 c5 16.Qa4 Kf8 17.b5 Rd8 18.Rd1 Nf7 19.Qc2 Qh4 20.Rd8 Nd8 21.Nd2 Rg6 22.Qd1 Nf7 23.Nf1 Qd8 24.Qd8 Nd8= 25.Ng3 Rg5 26.e4 fe4 27.Re1 e3 28.Re3+= Ke7 29.h4 gh3= 30.gh3 Rg6 (30...Rg7 31.Kf1 c6 32.bc6 Nc6 33.Rb3=) ˝–˝. Psion – Van Esbroeck,Dirk, 3min/Zug, 1992.

4.a3 b6 5.e4 Bb7 6.d3 (6.Nc3 a5 7.b5 f5 8.ef5 Nf5+=) 6...g5 (6...a5 7.b5+=) 7.Be2 d6 8.Qd2 g4= 9.Nd4 e5 10.Nb3 f5 11.Nc3 Nd7 12.0–0–0 Qe7 13.h3 0–0–0 14.Kb1 gh3=+ 15.Rh3 f4 16.Bf3 Qf6 17.Rdh1 Nf7 18.Rh7+/– Ng5 19.R7h2 Nf3 20.gf3 Bg7 21.d4 Rh8 22.Rh8+/– Rh8 23.Rh8 Bh8 24.d5 Qh4 25.Qe1 Nf6 26.a4 Qh3 27.Nd2 (27.Qe2 Qh1 28.Ka2 Bg7+=) ˝–˝. Wozniak – Van Esbroeck, corr 3GMM–33, 1996.

4.b5 b6 5.c4 Bb7 6.d4 d6 7.Qc2 g6 8.h4 Nd7 9.Ng5 Be7 10.f4 Nf6 11.Nd2 Nhg4 12.Rh3 h6=+ 13.Ngf3 Ne3 14.Qb3 Nfg4 15.Rc1 c5 16.a4 g5 17.hg5 hg5 18.Ng5 Bg5 19.fg5 Qg5 20.Nf3 Qf4 21.Rc3? cd4–+ 22.Nd4?? Qf2 23.Kd2 Nf1 (24.Kc1 Qd4–+) 0–1. Wartig,Wolfgang – Van Esbroeck,Dirk, corr SOK–92–88, 1992.

4.b5 b6 5.e3 Bb7 6.Be2 d6 7.c4 a5 8.a4 Nd7 9.0–0 g5 10.h3 g4= 11.hg4 Ng4 12.g3 h5 13.Kg2 h4=+ 14.Rh1 hg3–/+ 15.fg3 Qg5 16.Kf1 Qf5 17.Na3 Nde5 18.Qc2?? Be4–+ 19.Qe4 Qe4 20.Kg2 Be7 21.Be5 de5 22.d3 Qe3 23.Rae1 Qf2 24.Kh3 Rh8 25.Kg4 f5# 0–1. Zimmer,Georg – Mueller,P, corr SOK–89–43, 1989.

4.b5 b6 5.e4 a6 +=.

2.c3 Nc6

3.Bb2 e5+= 4.e3 Bd6 (4...d5 5.b5 Na5 6.d4+=) 5.Nf3 (5.b5 Nb8 6.d4=) 5...Be7 (5...e4 6.Ng1+=) 6.d3 (6.b5!? e4 7.bc6 ef3 8.cd7 Bd7 9.Qf3+=) 6...d6 7.Nbd2 Be6 8.Be2 Qd7 9.Qc2 0–0–0 (9...0–0 10.0–0=) 10.0–0 (10.b5 Nb8 11.Qa4 a6+=) 10...Kb8 (10...g5 11.b5 Nb8 12.Qa4+=) 11.e4 (11.b5 Na5 12.c4 g5+/–) 11...Rc8 (11...Bf6 12.Rfd1=) 12.Rfd1 g5 13.h3 (13.b5 Nd8 14.d4 g4+=) 13...f5 14.ef5 (14.d4 ed4 15.b5 Ne5+=) 14...Bf5+= 15.Ne4 Be4 (better is 15...g4!? 16.hg4 Ng4+=) 16.de4+= Rhf8? (16...g4 17.hg4 Ng4 18.b5+=) 17.a3 (17.b5 Nd8 18.Ne5 Qe6+–) 17...a6? (better is 17...g4!? 18.hg4 Ng4+= (worse is 18...Qg4 19.Ne5 Qe6 20.Nc6 bc6 21.b5+/–)) 18.c4 Nd8 19.Rac1 Nc6? 20.Qb1 Bd8? 21.c5 dc5?? 22.Rd7 Be7 23.Re7! Ne7 24.bc5 Rcd8 25.Rd1 Rd1 26.Qd1 Nc6 27.Ne5 Ne5 28.Be5 Kc8 29.Bf3 Rd8 30.Qd8! Kd8 31.Bg4 Ng4 32.hg4 Kc8 33.Bd4 b6 34.cb6 cb6 35.f4 gf4 36.Kf2 h6 37.Kf3 Kb7 38.Kf4 b5 39.g3 a5 40.g5 hg5 41.Kg5 a4 42.Bh8 b4 43.ab4 a3 44.Kf4 a2 45.g4 a1Q 46.g5 Qa8 47.Bf6 Qc8 48.g6 Qe8 49.g7 Qe6 50.Kg5? Qg8?? 51.Kg6–/+ Kc8 52.e5 Kd7–/+ 53.e6?? Ke6–+ 54.Ba1 (54.Ba1–+). Fournier,Frederic (2020) – Uzumaki95, Active Blind, 2008.

3.d4!? +=.

3.e3 b5 4.Nf3 a6 5.d4 e6 6.Bd3 (6.a4 ba4 7.e4 Ng8+/–) 6...d5 (6...a5 7.ba5 Ra5 8.e4+=) 7.Bb2 (7.a4 ba4 8.e4 Bd7+/–) 7...Bb7 8.Nbd2 (8.a4 ba4 9.Qa4 Bd6+=) 8...Bd6+= 9.0–0 Qe7 10.Qc2 0–0–0 (10...e5!? 11.e4 de4 12.Ne4 f5 13.Nd6 cd6 14.Bf5 Nf5 15.Qf5 Qf7 16.Qf7 Kf7+=) 11.Rfe1 (11.a4 Na7+–) 11...Kb8 (11...e5 12.e4 (12.Bh7 g6–/+) 12...de4 13.Be4+/–) 12.e4 (12.a4 Na7+–) 12...de4 13.Ne4 (13.Re4 f5 14.Re2 Bf4+/–) 1–0. Fournier,Frederic (1735) – fcastellani, Active blind, 2011.

3.e3 d5!? =.

2.c3 g6

3.e3 Bg7 4.Bb2 Nc6 5.Nf3 (5.b5 Na5 6.Nf3=) 5...b5 (better is 5...Nb4!? 6.Qb3 Nc6+=) 6.a3 (6.d4 a6+=) 6...a5 (6...Rb8 7.d4+=) 7.d4 (7.Bb5 ab4 8.Bc6 dc6 9.ab4 Ra1 10.Ba1 Qd3+/–) 7...ab4 (7...Rb8 8.a4 ba4 9.b5+=) 8.ab4 Ra1 9.Ba1 Bb7 (9...Na7 10.c4+=) 10.Nbd2 (10.Bb5 0–0+/–) 10...Qa8 (10...Na7 11.c4+=) 11.Bd3 (better is 11.Bb5 0–0 12.0–0+/–) 11...Qa1?? (better is 11...Qa4+=) 12.Qa1+– 0–0 13.0–0 Ra8 14.Qb2 Ra4 15.Ra1 Rb4 16.cb4 Nd4 17.Nd4 Bd4 18.ed4 f6 19.Nf3 Nf5 20.Bf5 Bf3 21.gf3 gf5 22.Re1 Kf7 23.Qd2 e6 24.f4 h6 25.Kh1 h5 26.Re3 h4 27.d5 h3 28.de6 de6 29.Qd7 Kg6 30.Qe6 c5 31.Qe7 cb4 32.Re6 b3 33.Qf6 (33.Qf6 Kh7 34.Re7 Kg8 35.Qg7) 1–0. Fournier,Frederic (1990) – nztitakis, Active Blind, 2008.

3.e3 Bg7 4.Nf3 0–0 5.Bb2 (5.d4 d5=) 5...d6 (5...e5 6.Be2=) 6.a3 Nc6 7.d4 b5? (7...e5 8.Nbd2=) 8.Nbd2 (8.Bb5 Bd7+–) 8...d5 (8...Rb8 9.a4 a6 10.Bd3+=) 9.Bd3 (9.Bb5 Bd7+–) 9...Be6? (9...a6 10.a4 Bf5 11.Nb3+=) 10.Qc2 (better is 10.Bb5!? Qd6 11.e4+–) 10...a6 11.0–0 Na7 12.Rfe1 c6 13.Rac1 Qd7 14.e4 de4 15.Ne4+/– Bd5 16.Ned2 Ng4 17.Be4 Be4 18.Ne4+/– Nf6 19.Nf6 ef6 20.Re2 Rfe8 21.Rce1 Re2 22.Re2 Re8 23.Qd1 Re2 24.Qe2 Nc8 25.h3 Nd6 26.Qe3 a5 27.Qc1 ab4 28.ab4 Nc4 29.Nd2?? Nb2?? 30.Qb2= Qa7 31.Qc1 Qa4 32.Nf3 Qa8 33.Ne1 Qf8 34.Nf3 c5?? 35.dc5+– f5 36.Ne1 Bc3?? 37.Qc3+– f6 38.c6 Qh6 39.c7 Qg5 40.c8Q (40.c8Q Kg7 41.Q3c7 Kh6 42.Qf8 Kh5 43.Qh7 Qh6 44.Qhh6) 1–0. Fournier,Frederic (2005) – nztitakis, Active Blind, 2008.

2.Nc3 e5

3.a3 a5 4.b5 =.

3.a3 c6 4.e4 (4.d4 Ng4 5.e4 ed4 6.Qd4=) 4...g6 (4...a5 5.b5=) 5.g3 (5.d4!? ed4 6.Qd4+/–) 5...Bg7 6.Qf3 (6.d4!? d6 7.d5=) 6...0–0 7.Bc4 b5 8.Bb3 d6 (8...a5 9.ba5 d6 10.h3+=) 9.d3 (9.a4 ba4 10.Ra4 Be6 11.Be6 fe6=) 9…Bg4 (9...Bg4 10.Qe3 a5 11.ba5 Nd7+=). warlokthebarstad – Shuttlebasher, ChessWorld.net, 2009.

3.e4 Bb4–/+ 4.Nd5 Bc5 5.Qh5 0–0 6.d4= Bd4 7.c3 c6 8.Bh6 cd5–/+ 9.cd4 gh6 10.Qh6 de4–+ 11.Rd1 ed4 12.Rd4 d5 13.Bc4?? Qa5–+ (14.Qd2 Qd2 15.Kd2 dc4 16.Rc4 Be6–+; 13...dc4?? 14.Rd8 Nd7 15.Qg5 Kh8 16.Rf8 Nf8 17.Qe5 Kg8 18.Qe4+–) 0–1. Wiacheslav – jaskier (2195), internet, 2007.

2.Nc3 e6

3.a3 d5 4.d4 Nd7 5.e3 Nf6 6.Nf3 a5 7.b5 c5 8.a4 b6 9.Ba3 Qc7 10.Be2 Bd6 11.h3 Bb7 12.Qd2 Rc8=+ 13.Bd3 cd4 14.ed4?? Bf4–+ 15.Qf4 Qf4 16.Ne2 Qc7 17.0–0 Nf5 18.Rfc1 Nd6 0–1. Wiacheslav – thotares (1730), internet, 2007.

3.a3 d5 4.Nf3 c5 5.Bb2 Nf5 6.bc5 Bc5 7.e4 de4 8.Ne4= Bd4 9.Nd4 Nd4 10.c3 Qd5 11.d3+/– Qb3 12.Rb1 Qd1 13.Kd1 Ndc6 14.Bc1 0–0 15.Kc2 Nd7 16.Be2 b6 17.d4 Ne7 18.Nd6 Nf6 19.Bf3 Rb8 20.Re1 Ba6 21.Bf4 Nfd5 22.Bg3 Rbd8 23.c4 Rd6 24.Bd6+– Bc4 25.Bd5 (25...Nd5 26.Bf8 Kf8 27.Kd2+–) 1–0. jaskier (2205) – Wiacheslav, internet, 2007.

2.c4 Nc6

3.a3 e5 4.Nc3 =.

3.a3 e6 4.d3 (4.d4 Ng8+=) 4...Be7 (4...Nf5 5.Nf3=) 5.e3 (5.Bh6 gh6 6.e3 Rg8+=) 5...Bf6 6.h3?? (better is 6.d4=) 6...Ba1–+ 7.d4 e5 8.Nf3 (8.Qe2 ed4 9.ed4 Qe7 10.Qe7 Ke7–+) 8...ed4 9.ed4 (9.b5 Ne7 10.ed4 Nef5–+) 9...Nf5 10.Be3 (10.Qe2 Kf8 11.d5 Ncd4 12.Nd4 Bd4–+) 10...Qe7 11.Be2 (11.Qd3 Nfd4 12.Nd4 Nd4–+) 11…Ne3 (11...Ne3 12.fe3 Qe3–+) 0–1. helmisflorin – pierre (2090), Tuebingen internet, 2012.

3.b5+= Ne5 4.e4 g6? (4...Ng6 5.d4=) 5.Nc3 (better is 5.d4!? Neg4 6.e5+–) 5...d6+= 6.d4 Nd7 7.Be2 e5 8.Nf3 Bg7 9.0–0 (9.c5 dc5 10.dc5 Nc5 11.Qd8 Kd8 12.Bh6 Bh6 13.Rd1 Nd7 14.Ne5 Bg7+=) 9...b6 (9...ed4 10.Bg5 f6 11.Bh6 Bh6 12.Nd4+=) 10.Bg5+/– f6 11.Bd2 (11.Be3 Ng4+/–) 11...Bb7 (11...a6 12.Nd5+/–) 12.Nd5 (12.d5 a6+/–) 12...Nf7 13.Qc2 (13.Re1 0–0+/–) 13...c6 (13...0–0 14.a4+/–) 14.bc6 Bc6 15.Rac1 (15.Qd3 0–0+/–) 15...Bd5 (15...0–0 16.Qd3+/–) 16.cd5 0–0 17.Bb5 a6 18.Bc6 White gets the initiative 18...Rc8 (18...Ra7 19.Rfe1+/–) 19.Qa4 Nb8 20.Bb7 Rc1 21.Rc1 b5 22.Qc2 Bh6 23.Bh6 Nh6 24.Bc8 Qb6 25.Be6+– Kh8 26.Qd2 Kg7 27.Qe3 a5 28.de5+– Qe3 29.fe3 fe5 30.Ng5 Ng8 (better is 30...Na6 31.Rc6 Ra8 32.Rd6 Ra7+–) 1–0. magnus75 – coolerdude, ChessWorld.net, 2004.

2.c4 e5

3.a3 a5 4.b5 =.

3.a3 a6 4.Bb2 (4.d4 a5 5.b5 ed4 6.Bh6 gh6 7.Qd4 Qg5 8.Qe4 Kd8+=) 4...d6= 5.e4 Bg4 (5...Be7 6.Nf3=) 6.f3 (6.Be2 Be2 7.Ne2 Qh4+=) 6...Be6= 7.Nc3 Nd7 (7...Be7 8.Nd5=) 8.Bd3 (8.d4 ed4 9.Qd4 Ne5=) 8...Qg5 (8...c6 9.Nce2+=) 9.Qe2 (9.g3 c6+=) 9...c5 (9...c6 10.Nd5 Rc8 11.Rc1+=) 10.h4 (10.Nd5!? Bd5 11.ed5=) 10...Qg3+= 11.Qf2 Qf2 12.Kf2 Be7 13.g4 f6 14.Nge2 0–0–0 15.bc5 Nc5+= 16.Ke3 g6 17.Nd5= Bd5 18.cd5 Kb8 19.Bc2+/– Nf7 20.d4 Nd7 21.a4 Nb6 22.Bb3 Rc8 23.Rac1 Nd7 24.f4 ef4 25.Nf4 Rce8 26.Ne6+– Rc8 27.Rc8 Rc8 28.Rc1 g5 29.Rc8 Kc8+/– 30.h5 Nf8 31.Bc3 b6 32.Bc4 a5 33.Ba6 Kb8 34.Nf8 Bf8 35.Bb5 Kc7 ˝–˝. jevaisbien – RaymundG, internet, 2010.

3.a3 Nc6 4.b5 Nd4 5.e3 =.

3.a3 Nc6 4.Nc3 =.

3.a3 d5 4.cd5 Qd5 5.Nc3 Qd4 (5...Qe6 6.Nf3=) 6.e3 (6.Nf3 Qd6+=) 6...Qg4= 7.Bb2 (7.Qg4 Ng4 8.d4 Bd6=) 7...Bd6 8.h3 (8.h3 Qe6 9.Ne4=). jevaisbien – BRATULEANU, internet, 2010.

3.a3 Be7 4.Nc3 (4.d4 a5 5.Bh6 gh6=) 4...0–0 5.d3 Nf5 6.e3 c6 7.Nf3 d5 (7...a5 8.b5= (worse is 8.Ne5 ab4 9.Nb1 ba3–/+)) 8.cd5 (8.Ne5 a5 9.Rb1 ab4 10.ab4 dc4 11.Nc4 b5+=) 8...cd5 (8...a5 9.dc6 (worse is 9.Ne5 ab4 10.Nb1 ba3–/+) 9...ab4 10.c7 Qc7 11.Nd5=) 9.Be2 (9.e4 de4 10.de4 Qd1 11.Nd1 Nd4 12.Nd4 ed4=) 9...Be6 (9...d4 10.Ne4+=) 10.Ne5?? (better is 10.0–0=) 10…Qc7–+ (10...Qc7 11.Nb5 Qe5–/+) 0–1. helmisflorin – R_REZAEI (1890), Tuebingen internet, 2012.

3.a3 Qf6 4.Bb2 (4.Nc3 a5 5.b5 Ng4=) 4...b6 (4...d6 5.Nc3=) 5.e4 (5.Nf3 Nc6+=) 5...c5 (5...Bb7 6.Nf3 Be4 7.Ne5=) 6.b5 (6.Nf3 cb4 7.ab4 Bb4 8.Ne5 Qe6+=) 6...d6 (6...a6 7.Nc3 Bb7 8.Nf3=) 7.h3 (7.Nc3 Bb7+=) 7...Qh4 (7...Be7 8.Nc3 Be6 9.Qf3=) 8.Nc3+= f5 (8...Qd8 9.Nf3+=) 9.ef5 (better is 9.Nf3 Qd8 10.Bd3+=) 9...Nf5? (better is 9...Bb7+=) 10.Qf3 (better is 10.Bd3 d5 11.Nd5+–) 10...Nd4? (10...e4 11.Ne4 Qe7+–) 11.Qa8 Nc2 12.Kd1 Na1 13.Ba1 Qf2 14.Nf3 Qg3 15.Qb8 Kd8 16.Nd5 Ke8 17.Qc8 Kf7 18.Qd7 Kg6 19.Qe6 Kh5 20.Be2 g6 21.Ne5 Kh6 22.Nf7# 1–0. jevaisbien – chessdoctor79, internet, 2010.

3.a3 g6 4.Bb2 Bg7 5.e3 0–0 6.c5 Re8 7.Nf3 Nc6 8.Bc4 d5 9.Ba2 d4 10.0–0 Bg4 11.h3 Be6 12.Be6= Re6 13.ed4 ed4 14.d3 Nf5 15.Re1 Re1 16.Qe1 Qd7 17.Nbd2 Re8 18.Ne4 Ne5 19.Ne5 Be5 20.f4 Bg7+= 21.Qf2 Ne3 22.Re1 f5 23.Qh4?? fe4–+ 24.de4 Re4 25.Qf2 Qe7 26.Bc1 Nc2! 27.Re4 Qe4 28.Qf1 d3 29.Bd2 Bd4 30.Kh1 Qe2 31.Qc1 Be3 32.Be3 Ne3 33.Qg1 d2 (33...d2 34.f5 d1Q 35.Kh2 Qg1 36.Kg1 Qg2#) 0–1. DWSU (1655) – sjoukje10 (1750), ChessWorld.net, 2010.

3.Bb2 Bb4+= 4.Nf3 d6–/+ 5.a3 Ba5 (5...Bc5 6.e3–/+) 6.e3 (6.c5 0–0–/+) 6...0–0 7.Nc3 Bc3 (7...Bg4 8.Qb3–/+) 8.Bc3 Bg4 (8...Nc6 9.d4 ed4 10.Nd4–/+) 9.h3 Bf5 (9...Bf5 10.d4 e4–/+; 9...Bh5 10.d3–/+) 0–1. magnus75 – jjmrk2, ChessWorld.net, 2003.

3.Nc3 Bb4!? 4.Nf3 d6 –/+.

3.Nc3 d6 4.d3 Be7 (4...Ng4 5.Nf3=) 5.e3 (5.Bh6 gh6 6.Nf3 Rg8+=) 5...g6 (5...0–0 6.Nd5=) 6.Nf3 0–0 7.h3 (7.Be2 Bf6 8.e4 Bg7+=) 7...f5 8.Bb2 c6 9.Be2 Nf7 10.0–0 Na6 11.a3 Bf6 12.b5 cb5 13.cb5 Nc5 (13...Nc7 14.Rc1+=) 14.Nd5 Be6 15.Nf6 Qf6 16.d4 Nd7?? (16...e4 17.dc5 Qb2 18.Nd4+=) 17.Rc1?? Rac8? 18.Qd2?? Bd5?? 19.de5+– Qe6 20.a4?? de5+= 21.Rfd1 Rc1 22.Rc1 Bf3 23.Bf3+/– b6 24.Rc7 Rd8 25.Bc6?? Nd6?? 26.Bd7 Qf6 27.f4 Qe7 28.Be5 Rd7 29.Rd7 Qd7 30.Qd6 Qf7 31.Qd8 Qf8 32.Qf8 Kf8 33.Bb8 (33.Bb8 h6 34.Ba7+–) 1–0. helmisflorin – ab3, Tuebingen internet, 2012.

3.c5 d6+= 4.d4 g6 5.e3 Bg4 6.f3 Be6 7.Bb5 c6+= 8.Bd3 Bg7 9.Ne2–/+ Nf5 10.e4 Nd4–/+ 11.Nd4 ed4 12.0–0 d5 13.Nd2 de4 14.fe4 0–0 15.Nf3 a5 16.Bd2 Na6 17.Ba6 Ra6–/+ 18.ba5 d3 19.Rb1 Qd7 20.Ng5 Ba2–+ 21.Rb6 Bd4 22.Kh1 Bc5 23.Ra6 ba6 24.h3 h6 25.Nf3–/+ f6 26.Bh6+= Rf7 27.Nh4 Rh7–/+ 28.Qd2 Bf7 29.Rf6 Qd4–+ 30.Nf3?? Qf6 31.Qd3 Rh6 32.Qa6 Qa1 33.Kh2–+ Bd6 34.e5 Be5 35.g3 Qb2 36.Kg1–+ Bg3 37.Qc8 Kg7 (37...Kg7 38.Kh1 Qf2 39.Qd7 Qf3 40.Kg1 Qf2 41.Kh1 Qh2#) 0–1. Eternal Life – _Grund_ (1655), ChessWorld.net, 2009.

2.c4 e6

3.a3 c6 4.Nf3 (4.d4 Ng8+=) 4...d5= 5.c5 b6 (5...Be7 6.d4=) 6.d4 Nf5 7.Nc3 Nd7 (7...Be7 8.Bf4=) 8.e4+= Ne7 9.ed5 ed5 (9...Nd5 10.Nd5 ed5 11.Bd3+=) 10.Bf4 (10.Bd3 a5 11.Rb1 ab4 12.ab4 g6+=) 10...Bb7 (10...Ng6!? 11.Be3 Be7+=) 11.Bd3+/– h6 (11...Ng6 12.Bg6 fg6 13.Qe2 Qe7 14.Ra2+/–) 12.h4 (12.0–0!?+–) 12...Ng6+/– 13.Bg6 fg6+= 14.Qd3 Qf6 15.Ne5 Ne5 16.Be5 Qf5 17.Qe2 0–0–0 18.g4 Qf7 19.f4 Re8+= 20.0–0–0 b5 21.Qd3 Be7 22.Rdf1 Bf6 23.Qh3 Kd8 24.Qf3 Rhf8 25.g5 Be5= 26.de5 h5 27.Qe3+/– a6 28.Ne2 Bc8 29.Nd4 Qc7 30.Kb2 Bf5 31.Rf2 Rf7 32.e6 Rfe7+= 33.Re1 a5 34.ba5 Kc8 35.Qc3 Be6+= 36.Ne6 Re6+= 37.Re6 Re6 38.f5 gf5–/+ 39.Rf5 Re2 40.Kb3? Re4?? 41.Qh3 Rg4–/+ 42.g6?? Rg3–+ 43.Rf3 Rh3 (43...Rh3 44.Rh3 Qa5–+) 0–1. jevaisbien – ANZARBOND (1630), internet, 2010.

3.a3 d5 4.d4 =.

3.Bb2 d5 4.c5 =.

3.Bb2 Rg8 4.b5 b6 (4...d5 5.e3=) 5.Nc3 Bb7 6.e3 g5 7.Qh5 d6 8.Bd3 Bg2–/+ 9.Be4 Bh1 10.Bh1 Nd7 11.Bc6 Rb8–/+ 12.Ne4 e5 13.Nf3=+ Qe7 14.Nfg5 Kd8 15.Nh7 Bg7 16.Nc3 Nf6 17.Nf6+= Qf6 18.Nd5 Qf5 19.Qh4+= f6 20.Nb4 Kc8 21.Bd5 Re8 22.Na6 Ng4 23.f3 Ne3 24.de3+– Rh8 25.Qg3 Qg5 26.Qg5 fg5 27.h3 Kd7 28.Nb8 Rb8 29.Ke2 Rh8 30.Rh1 Ke7 31.f4 gf4 32.ef4 Rh5 33.fe5 1–0. Fournier,Frederic – Van Esbroeck, corr SOK–93–98, 1995.

2.d3 e5

3.c3 Qf6 4.e4 a5 5.b5 Bc5 6.Nf3 d6 7.h3 Be6 8.d4 ed4 9.cd4 Bb4 10.Bd2 c5 11.a3+= Bd2 12.Qd2 cd4 13.Qd4+= Qd4 14.Nd4 Nd7 15.Ne6 fe6= 16.a4 Rc8 17.Nd2 0–0 18.Nc4+= d5 19.Na5 Rc2? 20.ed5 ed5 21.f3?? b6 22.Nc6 Nc5 23.Ne7 Kf7=+ 24.Nd5 Rb8?? 25.Kd1+– Rf2 26.Bc4 Kf8 27.g4 Nf7 28.f4 Nd6 29.Be2 Re8 30.Re1 Nde4 31.Ra3 Rd8= 32.Bc4 Rd2 33.Kc1 R8d5 34.Bd5 Rd5 35.Rd1 Rd1 36.Kd1 Na4 37.Kc2 Nac5 38.Ra8 Kf7 39.h4 Ne6 40.f5 Nd4?? 41.Kd3+– Nb5 42.Ke4 Nd6 43.Kd5 Ne8 44.Kc6 Nf6 45.g5 Ng8 46.Kb6 g6 47.Ra7 Kf8 48.f6 h6 49.Kc6 hg5 50.hg5 (50...Nf6 51.gf6 Kg8 52.f7 Kf8 53.Kd6 Kg7 54.Ke7 Kh6 55.f8Q Kg5 56.Ra4 Kh5 57.Kf6 g5 58.Qh8) 1–0. Wiacheslav (1610) – pietshaq (1660), internet, 2007.

3.Bh6 gh6 4.c3 d5 5.Qc1 Be6 6.f4 Nd7 7.Nf3 Qf6 8.fe5 Ne5 9.Qe3 Nf3 10.Qf3 Qf3 11.gf3 Be7 12.a3 Bh4 13.Kd1 Rg8 14.Nd2 Rc8 15.d4 c6 16.e3 Ke7 17.Bd3 Bh3 18.Kc2 Bg2 19.Rhd1 Bh3 20.Rg1 Bf2 21.Rg8 Rg8 22.e4 Rg2 23.Bf1 Rh2 24.Bh3 Rh3 25.e5 Rh2 26.Kd3=+ h5 27.Nb3 b6 28.f4 Rh3 29.Kc2 Rf3 30.Rf1 Rf4–+ 31.Nc1 Bg3 32.Rh1 h4 33.Ne2 Rf2 34.Kd3 Rf3 35.Kd2 Ke6 36.Ng3 hg3 37.Rh6 Kf5 38.Rh7 Ke4 39.Rg7 Rf2 40.Ke1–/+ Rf3 41.Kd2 a5 42.Rg4 Kf5 43.Rg7 ab4 44.Rf7? Ke4 45.Rf3 Kf3 46.e6 g2 47.e7 bc3 48.Kc3 g1Q 49.e8Q Qe3 50.Qe3 Ke3 51.a4 Ke4 0–1. pietshaq (1675) – Wiacheslav, internet, 2007.

2.d3 Nf5

3.e4 Nd4 4.Bb2 e5= 5.Bd4 ed4=+ 6.a3 c5 7.bc5 Bc5 8.g3 Qa5 9.Nd2 0–0 10.Ne2 d5 11.ed5 (11...Re8 12.Bg2=+). Stabenow,Juergen – Rettenbacher,W, corr SOK–87–08, 1988.

3.e4 Nd4 4.c3 Ndc6 +=.

3.e4 Nd4 4.c3 Ne6 5.f4 g6 6.f5 Ng7 7.g4 e6 8.Qf3 ef5=+ 9.gf5 Qh4 10.Kd1 Qh5 11.Qh5+= Nh5 12.Be2 Nf6 13.Bg5 Bg7 14.e5 Nd5 15.f6 Bf8 16.Bf3 Nb6 17.Nd2 h6 18.Be3 d6 19.d4 Nc6 20.b5 Nd8 21.Ne2 Nd7 22.Nc4 de5 23.de5+= Ne6 24.a4 Bc5 25.Bd4 0–0 26.Re1 Rd8+= 27.Kc2 a6 28.ba6 Ra6+= 29.Ne3 Nb6 30.Bc5 Nc5=+ 31.a5 Nba4 32.Nd4+/– Ra5 33.Bd5 c6 34.Nc4 34...Ra6=+ 35.Bf3 Ne6 36.Nd6+= Nd4 37.cd4 Be6 38.Red1 b5 39.Rdc1 Rb6 40.Kd3 Nb2= 41.Kc3 Nc4 42.Kb4 Nd6=+ 43.ed6 Rd6?? 44.Kc5+– b4 45.Kd6 b3 46.Ra8 Kh7 47.Rb1 Bf5 48.Rb2 g5 49.Bc6 h5 50.Kc5 Rc6 51.Kc6 Be4 52.d5 g4 53.Rb3 h4 54.Ra4 Bc2 55.Rba3 Ba4 56.Ra4 (56...Kg6 57.d6+–) 1–0. thotares (1725) – pietshaq (1695), internet, 2007.

3.e4 Nd6 4.Nf3 =.

2.d3 g6

3.Bb2 f6 4.Nd2 e5 5.a3 d5 6.e4 d4 7.Ngf3 Be7 8.Be2 b6 9.Nc4 0–0 10.0–0 Bd7 11.Qc1 c5? 12.Qh6+– 1–0. Tragosso (1695) – Honeybrook, ChessWorld.net, 2009.

3.Bb2 f6 4.e4 Bg7 5.Nd2 0–0 6.Ngf3 a6 7.c4 Nc6 8.Qb3 e5 9.c5 Kh8 10.Be2 d6 11.d4 dc5 12.bc5 ed4 13.Nd4?? Nd4–+ 14.Bd4 Qd4 15.Rc1 Ng4 16.Bg4 Bg4 17.f3 Rad8 18.Qc3 Be6 19.Qd4 Rd4 20.c6 bc6 21.Rc6 Ba2 22.Rc7 Rfd8 23.Rc2 Bb1! 24.Rb2 f5 25.Rb1 Rd2 26.0–0 fe4 27.fe4 Re2 28.Rbd1 Rc8 29.Rc1 Re8 30.Rc4 R2e4 31.Rc6 Bd4 32.Kh1 Re1 33.Rc1 Rf1 34.Rf1 a5 35.h3 Bc3 36.Kh2 a4 37.Rc1 Bb2 (37...Bb2 38.Rc4 Ra8–+) 0–1. _Grund_ (1680) – Lats (1665), ChessWorld.net, 2010.

3.Bb2 Rg8 4.Nd2 d5 5.Ngf3 e6 6.a3 Nc6 7.g3 Bd7 8.Bg2 Nf5 9.e4 Nfe7 10.c4 f5 11.0–0 Bg7 12.Bg7 Rg7 13.ed5 Nb8 14.de6+– Be6 15.Re1 Bg8 16.d4 Nd7 17.Ng5 c6 18.Ne6 (18...Be6 19.Re6+/–) 1–0. thotares (1700) – yaunootz (1630), internet, 2007.

2.d4 d5

3.Bb2 e6 4.a3= a6 5.e3 Nf5 6.h3 Nd6 7.Bc3 b5 8.Nf3 h6 9.Bd3 Nd7 10.0–0 Be7 11.Ne5 Ne5 12.de5 Nc4 13.Bc4 bc4 14.Nd2 f6? 15.ef6 Bf6 16.Bf6 Qf6+= 17.c3 Bb7 18.Qc2 0–0= 19.Nf3 e5 20.Rad1 c6 21.a4 Bc8+= 22.a5 Bf5 23.Qd2 Bd3 24.Rfe1–/+ e4 25.Nd4+= g6 26.f3 Rac8 27.f4 c5 28.bc5 Rc5 29.Ra1 Rcc8 30.Ra2 Rb8 31.Raa1 Rf7–/+ 32.Qf2 Rfb7 33.Qg3 Kh7 34.h4 h5 35.Qg5 Qg5–/+ 36.hg5 Rb2 37.Ne6 Rd2 38.Nc5?? Rbb2–+ 39.Nd3 cd3 40.Rad1 Rdc2 41.Rc1 d2 (41...d2 42.Kh1 Rc1 43.Rd1 Rd1 44.Kh2 Rh1 45.Kh1 d1Q 46.Kh2 Qf3 47.f5 Qg2#) 0–1. Roderick64 (1745) – sjoukje10, ChessWorld.net, 2010.

3.Nf3 Nf5 4.c3 Nd6 5.Bf4 Bf5 6.e3 e6 7.Bd3 Bd3 8.Qd3 Nd7 9.Nbd2 a5 10.ba5 Ra5 11.0–0 Nb6 12.Be5 Ndc4 13.Nc4 Nc4 14.Rab1 (14.e4 Ne5 15.Ne5 Bd6=) 14...b6 (< 14...Ra2 15.Rb7 Nd6 16.Bd6 Bd6 17.Qb5 Ke7 18.c4 dc4 19.Qc4+=; 14...Ne5?! 15.Ne5 f6 16.Nf3=) 15.e4 c6 16.Qe2 Qa8 17.Ng5 (17.Ra1 Ra3=+) 17...Qa7 (17...Ne5 18.ed5 h6 19.Ne6 fe6 20.Qe5=) 18.ed5 cd5 (18...ed5?? 19.Bg7 Be7 20.Bh8+–; 18...Ne5?! 19.de5 cd5 20.Rb2=+) 19.Rfe1 (19.Qh5 Ne5 20.de5 g6=) 19...h5 (19...Ra2 20.Qh5 A) 20...Ne5? 21.Ne6 Nf3 22.gf3+– (22.Qf3 fe6 23.Qd5 Be7 24.Qe6 Kd8 25.Qd5 Ke8 26.Re7 Ke7–+); B) 20...Qe7–/+) 20.Ra1 Qd7 21.Nf3 h4 22.h3 Ra3 23.Rac1 b5 (23...Ne5 24.Ne5 (24.de5?! Qa4=) 24...Qb7 25.Qb5 Kd8 26.c4+–) 24.Rc2 f6 25.Bf4 g5 26.Bc1 Ra6 27.Nd2 Bd6 28.Nc4 bc4 29.Qf3 0–0 30.Qg4 Qh7 31.Rce2 Qf5 32.Re6 Qg4 33.hg4 Kf7 34.Rd6 Rd6 35.Ba3 Ra6 36.Bf8 Kf8 37.Re2 Kf7 38.f3 Ra3 39.Rc2 Ke6 40.Kh2 f5 41.Kg1 f4 42.Kf1 Kd6 43.Ke2 Kc6 44.Kd2 Ra7 45.Kc1 ˝–˝. Steve9843 – Gls1968, ChessWorld.net, 2005.

3.Nf3 Nf5 4.Bd2 g6 5.e3 Bg7 6.c4 dc4 7.Na3 0–0 8.Nc4 Nd6. mafergut – DeMaddin, ChessWorld.net, 2003.

3.Bh6 gh6

4.b5 Rg8 5.Nc3 Bf5 6.Nf3 e6 7.Rb1 Nd7 8.e3 Rc8 9.Qe2 c6 10.bc6 Rc6 11.Rb3 Qa5 12.Qb5 Qc7 13.Kd2 a6 14.Qa4 b5 15.Bb5 ab5 16.Qa8 Ke7 17.Ne1 (17.Nh4 Nb6 18.Nf5 Kd7 19.Nh6 Na8 20.Ng8–+) 17...b4! 18.Rb4 Rc3 19.Rb2 Rg2! 20.Rf1 (20.Ng2 Rc2) 20...Qc4 21.Ng2 (21.Qa5 Rc2! 22.Rc2 Qf1 23.Ng2 Qf2 24.Kd1 Qc2 25.Ke1 Qg2 26.Kd1 Qg1 27.Qe1 Bg4 28.Kd2 Qh2 29.Kc3 Qa2 30.Qd2 Qa3 31.Kc2–+) 21...Rc2 22.Rc2 Qc2 23.Ke1 Bd3 (24.Qa3 Kf6 25.Nf4 Bb4 26.Qb4 Qc1#) 0–1. Bestia02c – Francesca078, computer chess game, 2000.

4.e3 e5 5.de5 Bb4 6.c3 Be7 7.Nf3 0–0 8.Qb3 c6 9.c4 Qa5 10.Nbd2 Nd7 11.cd5 cd5 12.Rb1 f6 13.ef6 Rf6 14.Nd4 Rf2 (14...Qd2) 15.Qc2 (15.Kf2 Qd2 16.Kf3 Ne5 17.Kf4 Ng4 18.Qd5 Kh8 19.Qb3 Ne3 20.Kf3 Qd4 21.h3 Be6 22.Qe6 (22.Qe3 Rf8 23.Qf4 Qf4 24.Ke2 Bg5 25.Rb2 Bc4 26.Ke1 Qc1) 22...Rf8 23.Ke2 Nc2 24.Qc8 Qe4 25.Kd1 Ne3 26.Kd2 Nf1 27.Rbf1 Rc8 28.Rf8 Bf8 29.Rc1 Rd8 30.Kc3 Qb4 31.Kc2 Rd2) 15...Rf8=+ 16.Rb5 Qa3 17.Rb3 Qc5 18.Rc3 Qa5 19.N2b3 Qb6 20.Be2 (better is 20.Kd1!?=+) 20...Bb4–+ 21.Bf3 Nf6 22.0–0 Bc3 23.Qc3 Bd7 24.Qd3 Rac8 25.a3 Qa6 26.Qa6 ba6 (27.Rc1 Rc1 28.Nc1 Bb5–+) 0–1. Alissa – Papov, ChessWorld.net, 2005.

4.e3 Rg8 5.Ne2 Nd7 6.Nf4 c6 7.b5 e5 8.de5 Ne5 9.bc6 bc6 10.Nd2 Bg4 11.Be2 Be2 12.Qe2 Bb4 13.0–0–0 Ba3 14.Kb1 Qb8 15.Nb3 a5 16.e4 a4 17.ed5 ab3 18.cb3 Kf8 19.dc6 Nc6 20.Ne6 fe6 21.Qf3 Kg7 22.Qc6 Qe5 23.Rd7 Kh8 24.Qc2 Rg7 25.Rg7 Kg7 26.f3 Rc8 27.Qd2 1–0. London_Patzer – Alissa, ChessWorld.net, 2005.

4.Nf3 Nd7 5.e3 e5 6.de5 c6 7.c4 (7.Qd4 Bg7+=) 7...Bb4= 8.Nbd2 Nc5 9.Be2 (9.cd5 Qd5 10.Qc2 Be6=) 9...Rg8= 10.Qb1 Qa5 (10...Bd2 11.Nd2 Rg2 12.Bf3=) 11.Qh7 Rg2 12.Qh8 Kd7 (12...Ke7!? 13.cd5 cd5 14.Qf6 Ke8 15.Qh8 Ke7 16.Qf6 Ke8 17.Qh8 Ke7=) 13.Qh6+= Rg6 14.Qh7 Ke7 15.Qh4 Kf8 16.cd5 cd5 17.Qh8 Ke7 (17...Rg8 18.Qh6 Ke8 19.Qh7+=) 18.Rd1+/– Ne4. hooks – Crapov, ChessWorld.net, 2006.

4.Nf3 e5 5.de5 Bb4 6.c3 Bc5 +=.

4.Nf3 e5 5.Ne5 Bb4= 6.c3 Bd6 7.Nf3 c6 8.e3 Rg8 9.g3 (9.Nbd2 Bf5+=) 9...Bf5 10.Bd3 Bg6 11.0–0 (11.Qc2 Qe7+=) 11...Nd7 (11...Qe7 12.c4=) 12.c4 (12.Qc2 Qf6 13.Nbd2 c5+=) 12...dc4= 13.Bc4 Nb6 14.Bd3 Qf6 15.e4 Bb4 16.e5 (16.Nbd2 Bc3 17.Rc1 Bd2 18.Nd2 Qd4=) 16...Qe6 17.a3 Be7 (17...Ba5 18.Bg6 hg6 19.Nfd2=) 18.a4 (18.Nc3 0–0–0=) 18...Nd5 19.Bc4 Rd8 20.Qb3 Bh5 (20...Qd7 21.Nbd2+=) 21.Nbd2+= b6 22.a5 (22.Rfb1 Bg6 23.Rb2 h5=) 22...b5 23.Bd3 Bg6 24.Rac1 (24.Rfc1 Nf4 25.Bg6 Ne2 26.Kf1 Qb3 27.Nb3 Nc1 28.Bf7 Kf7 29.Rc1 Rg6+=) 24...Nf4= 25.Qe6 Ne6 Attacks the backward pawn on d4 26.Bg6 hg6 27.Rc6 Nd4 28.Ra6 (28.Nd4 Rd4 29.Nb3 Rd5+=) 28...Nf3= 29.Nf3 Rd3 30.Kg2 Rd7 31.Rc1 (31.Rc1 Kd8 32.e6 fe6 33.Ne5+/–) 1–0. macsek – Klaus Behrmann, ChessWorld.net, 2004.

4.Nf3 e6 5.c3 a5 6.b5 Nd7 7.Nbd2 e5 (7...Nf6 8.e3+=) 8.Ne5+/– Ne5 9.de5 Bg7 10.Nf3 f6 11.ef6 Qf6 12.Rc1 c6 13.bc6 bc6 14.c4 d4 15.g3 (15.e3 de3 16.fe3 Bf5+/–) 15...0–0+= 16.Bg2 Bf5 17.0–0 Rae8 18.Qd2 Qd8 19.c5 Be4 20.Nh4 Qg5 21.Rfd1 Qf6 22.Rf1 (22.e3 de3 23.fe3 a4+/–) 22...Qg5+= 23.Qd1 Qd5 24.Rc2 Bf6 25.Be4 Re4 26.Ng2 Bg7 27.e3 d3 28.Rd2 a4 29.Qb1 Qc5 30.Qd3 Qc4 31.Qc4 Rc4 32.Nf4 Re8 33.Rb1 Re7 34.Nd3 Kf7 35.Kg2 h5 36.Rb6 h4 37.Nb2 Bb2 38.Rdb2 hg3 39.hg3 h5 40.R6b4 a3? 41.Rc4+– (41...ab2 42.Rb4+–) 1–0. London_Patzer – Papov, ChessWorld.net, 2005.

4.Nf3 Bf5 5.e3+= Nd7 6.Bd3 Bg6 (6...Bd3 7.Qd3 e6 8.a3+=) 7.0–0 (7.a3 Bg7+=) 7...e6 8.c3 (8.c4 dc4 9.Bc4 Bb4=) 8...Qf6= 9.Be2 Rg8 10.Qa4 Bd6 (10...Qg7 11.g3=) 11.Nbd2 c6 12.b5 (12.c4 Nb6 13.Qb3 dc4 14.Bc4 Nc4 15.Nc4 Qf3 16.Nd6 Ke7–+) 12...Nb6 13.Qa5 (13.Qd1 Qg7 14.g3 c5=) 13...c5 14.dc5 Bc5 15.Nd4 (15.Rac1 Qg7 16.g3 Qf8=) 15...h5 (15...Qg7 16.g3=) 16.Rfe1 (16.f4 h4=) 16...h4 (16...e5 17.N4b3 Be7 18.Bf1=) 17.Bf1 (17.h3 Be7=) 17...h5 (17...Be7 18.h3+=) 18.Rad1 (18.N4f3 Be7=) 18...h3+= Black is in command 19.g3 h4 20.Bh3 hg3 (20...Bd6 21.Bg2+=) 21.fg3 Bh5 22.Rc1 Bd6 23.Bg2 Qg6 24.Rf1 Qd3 25.Rf2 Qe3 26.Rcf1 Rh8 27.N2f3 Bf3 28.Bf3 Nc4 29.Qa4 Qc3 30.b6 Kd8 31.Nb5 Qb4 32.Qb4 Bb4 33.ba7 Bc5 34.Kh1 Bf2 35.Rf2 Kd7 36.a4 Nd6 37.Bd1 Nb5 38.ab5 Ra7 39.Rf7 Kd6 40.h4 Ra1 41.Rf1 Rb1 42.Be2 Rf1 43.Bf1 e5 44.Kg1 e4 45.Kf2 d4 46.Be2 Rf8 47.Ke1 d3 48.g4 Ke5 49.g5 Kd4 50.g6 Ke3 51.g7 d2 52.Kd1 Rc8 (52...Rc8 53.Bc4 Rc4 54.g8Q Rc1) 0–1. macsek – tomrules99, ChessWorld.net, 2004.

4.Nf3 Bf5 5.e3 e6 6.a3 Rg8 7.Nbd2. Curlywurly – DeMaddin, ChessWorld.net, 2003.

4.Nf3 Bf5 5.e3+= Rg8 6.Rg1 +=.

4.Nf3 Bg7 5.e3 Bg4 6.Nbd2 c6 (6...e5 7.Be2 Rg8 8.0–0+=) 7.Be2 a5 8.b5 0–0 (8...c5 9.Rc1+=) 9.0–0 Qd6 10.bc6 bc6 11.c4 Nd7 12.Rb1 Rfb8 13.Qa4 e5 14.h3 (14.cd5 Qd5 15.Bc4 Qd6+/–) 14...Be6 15.Rb8 Rb8 16.cd5 Bd5 17.Qa5 ed4 18.ed4 Nf8 19.Bc4 Ne6 20.Bd5 cd5 21.Rd1 (21.Rb1 Rc8 22.Qa4 Qf4+/–) 21...Nf4 22.Nf1 Qc6 (22...Qf6 23.Ne3 Qg6 24.Kh2+/–) 23.Qd2 Qf6 24.Qe3 Ra8 25.a4! Ng6 (25...Ra4 26.Qe8) 26.Qb3 Nf4 27.Ng3 Qc6 28.Ra1 Qc8 29.a5 Ra6 30.h4 Qc7 31.Nf5 Bf8 32.g3 Qc3? 33.Qc3 Ne2 34.Kg2 Nc3 35.Ne5 f6 36.Nd3 Kf7. Thor – Gls1968, ChessWorld.net, 2006.

2.d4 e5

3.a3 ed4 4.Bh6 gh6 5.Qd4 Rg8 6.Qe4 Qe7 7.Qh7 Rg6 8.Qh8 d5 9.e3 (9.Nf3 Be6 10.Ne5 Qg5=) 9...Nd7 10.Qb2 (10.c3!?=) 10...d4=+ 11.Nf3 (11.Bd3 Rg8=+) 11...de3–/+ 12.Nc3 (12.c3!?–/+) 12...Bg7–+ 13.Bd3? (better is 13.0–0–0–+) 13…Rc6 (14.Nd5 Bb2 15.Ne7 Ke7–+ (15...Ba1?! 16.Nc6 bc6 17.Ke2–+)) 0–1. Steve9843 – Thor, ChessWorld.net, 2005.

3.a3 Qf6 4.de5 Qe5 5.c3 =.

3.Bh6 gh6

4.de5 Nc6

5.c3 Ne5

6.Nd2 d6 7.Ngf3 Bg7 8.e3 Nf3 9.Nf3?? Bg4?? 10.Rc1= 0–0 11.Bd3 Kh8 12.0–0 Qf6 13.Re1 Rae8 14.Be2 Re7 15.Nd4 Be2 16.Ne2 Rfe8 17.Ng3 a6 18.Re2 Re5 19.Rd2 Bf8 20.Rd4 c5 21.Rd5 cb4 22.cb4 b5 23.Rc6+– Rd5 24.Qd5 Re5 25.Qd3 Rg5 26.Qc2 Rg3? 27.hg3 h5 28.Ra6 h4 29.gh4 Qa1 30.Kh2 Qe5 31.g3 f5 32.Ra7 d5 33.Ra8 Kg8 34.Qc8 Qf6 35.Rb8 Kg7 36.Rb5 f4 37.Qg4 Kh8 38.Qf4 Qf4 39.gf4 (39...Kg7 40.a3+–) 1–0. alaamattar (2100) – bar (2030), net–chess.com, 2005.

6.Nd2 Bg7 7.Ne4 d5=+ (8.Nd2 Bf5=+). dcroll – gregory (2085), net–chess.com, 2005.

6.Qd5 Nc6 (7.a3 Ne7=). dcroll – beezaman (1880), net–chess.com, 2005.

6.Qd5 d6 7.Nf3 c6 8.Qe4 f5 9.Qe3 Bg7 10.g3 0–0 11.Bg2 Be6 12.0–0 Qf6 13.Nd4 Bf7 14.Nd2 Nc4 15.Nc4 Bc4 16.Qf4 Rae8 17.Rfe1 Re5 18.Nc6!+/– bc6 19.Qc4 d5 20.Qa6 Re7 (21.b5 f4 22.bc6 Qf7+–; 20...f4 21.Qa7 Ree8 22.b5+/–). sbryntze – gregory (2085), net–chess.com, 2005.

6.Qd5 d6 7.Nf3 c6 8.Qe4 Qf6 9.Ne5 de5 10.Nd2 =.

6.Qd5 d6 7.Nf3 Ng6 8.e3+= c6 9.Qd4 Be7 10.Bd3 Bf6 11.Qe4 Qe7 12.0–0 0–0 13.Qe7+/– Ne7 14.Rc1 a5 15.ba5 Ra5 16.Nbd2 Be6 17.Nc4 Bc4=+ 18.Bc4 d5 19.Bb3= c5 20.a4 Rfa8 21.Rab1 b5 22.ab5 Rb5 23.c4 dc4 24.Bc4 Rb4 25.g3 Rab8 26.Rb4 cb4 27.Bb3 Bc3 28.Ne1 Nc6 29.Nd3 Na5 30.Rb1 Rd8 31.Nc5 Rc8 32.Ne4 Nb3 33.Rb3 Rc6 34.g4 Kg7 35.f3 Kg6 ˝–˝. gregory (2085) – janlagrain (2000), net–chess.com, 2005.

6.Qd5 Bd6 7.e3 (7...Rg8 8.Nd2+=; 7.Nd2 f6+=). sbryntze – dcroll, net–chess.com, 2005.

6.Qd5 Bd6 7.Nf3 (7...Nf3 8.Qf3= (< 8.gf3 Qf6=+); 7.Nd2 Ng6+=). gregory (2085) – dcroll, net–chess.com, 2005.

6.Qd5 Bg7 7.e3 0–0 8.Nd2 c6 9.Qb3 d5 10.Ngf3 Qf6 11.Rc1 Re8 12.Be2 Ng4 13.0–0 Be6 14.Nd4 Qh4 15.N2f3 Qh5 16.h3 Rad8?? 17.Ne6+– Re6 18.hg4 Qg4 19.Nd4 Qh4 20.Ne6 (20...fe6 21.c4+–) 1–0. gregory (2085) – sbryntze, net–chess.com, 2005.

6.Qd5 Bg7 7.Nf3 Nf3 8.ef3 d6 9.Qe4 Be6 10.Qb7+= 0–0 11.Bd3 Qd7 12.Qe4 f5 13.Qh4 f4 14.0–0 Rf6 15.Nd2 Raf8 16.Ne4 Rf5 17.Rfd1 Kh8? 18.Nc5!+– Qf7?! 19.Ne6 Qe6 20.Bf5 Qf5 21.Rac1 a5 22.Qe7 Qb5 23.Qc7 d5 24.Qa5 Qe2 25.Qd5 h5 26.a4 Qb2 27.Qc5 Qe2 28.b5 h6 29.Qh5 Rc8 30.Re1 Qd2 31.Re8 Re8 32.Qe8 Kh7 33.Qe4 Kg8 34.Qc2 Bc3 35.Qc3 Qc3 36.Rc3 Kf7 37.b6 (37...Kf6 38.b7 Ke5 39.b8Q Kd5 40.Qb6 Ke5 41.Rc5 Kd4 42.Qd6#) 1–0. gregory (2085) – bar (2030), net–chess.com, 2005.

6.e3 b6?? 7.Qd5 Nc6 8.b5 +–.

6.e3 b6?? 7.Be2 Bb7 8.Nf3 Qf6 9.0–0 Bd6 10.Qc2?? Nf3–+ 11.Bf3 Bf3 12.gf3 Rg8 13.Kh1 Qf3# 0–1. bar (2030) – alaamattar (2100), net–chess.com, 2005.

6.e3 b6?? 7.Nf3?? Qf6+= 8.Be2 Bd6 9.0–0 Bb7= 10.Nbd2 0–0–0 11.a4 Nf3 12.Bf3 Bf3 13.Qf3+/– Qf3 14.Nf3 Rhg8 15.g3 h5 16.Ng5?? Rg5–+ 17.f4 Rgg8 18.Kg2 h4 19.b5 hg3 20.h3 Rde8 21.Rfe1 Bc5 22.Rad1 Be3 23.Rd3 Bf4 24.Re8 Re8 25.h4 Re3 26.Re3 Be3 27.Kg3 f5 28.Kf3 f4 29.h5 h6 30.c4 c6 31.Ke4 cb5 32.ab5 Kc7 33.Kd3 Kd6 34.Ke4 Ke6 35.Kf3 Kf5 36.Ke2 Kg5 37.Kd3 Kh5 38.c5 Bc5 39.Ke4 Kg4 40.Kd5 f3 (41.Ke4 f2 42.Kd3 f1Q 43.Kc3 d5 44.Kc2 Qe2 45.Kc3 d4 46.Kb3 h5 47.Ka4 Qc4#) 0–1. bar (2030) – octopus (2020), net–chess.com, 2005.

6.e3 d6 7.Be2 Bf5 8.Nf3 Bg7 9.Nd4 Bd7 10.a4 Nc6 11.0–0 Qg5 12.Kh1 0–0–0 13.b5 Ne7 14.Nd2 Nd5 15.Qb3 Bd4 16.cd4 Be6 17.Qb2 Rhg8 18.g3 Bh3 19.Rfc1+/– h5 20.a5 h4 21.b6 a6 22.bc7+– Rd7 23.Ba6! Rc7 24.Rc7 Nc7 25.Bb7 Kd8 26.Qb6 Bc8 27.Qd6 Bd7 28.Bc6 Qf5 29.Rb1 Kc8 30.Bd7 Qd7 31.Rb8! (31...Kb8 32.Qd7 hg3 33.Qf7 g2 34.Kg1+–) 1–0. janlagrain (2000) – octopus (2020), net–chess.com, 2005.

6.e3 Bg7 7.Be2 d5 8.a3 Bf5=+ 9.Ra2 Nc4 10.Bc4= Bb1 11.Qb1+= Bc3 12.Ke2 dc4 13.Qc2 Bg7 14.Qc4 c6 15.Nf3 0–0 16.Rd1 Qe7 17.Rd3 Rad8 18.Rad2 Rd3 19.Rd3 Rd8 20.Rd8 Qd8 21.Nh4 Qf6 22.Nf3 Qb2=+ 23.Nd2 Qa3 24.Qg4 Qa6 25.Qc4 Qc4 26.Nc4 Bc3 27.Nd6 b5 28.Nc8+= a6 29.Ne7+/– Kf8 30.Nc6 Ke8 31.Kd3 Be1 32.f3 f6 33.Nb8 Bb4+= 34.Na6 Bd6 35.h3 Kd7 36.Kc3 Ke6 37.Nb4 Bc5 38.e4 Ke5 39.Nd3 Kd6 40.Nc5 Kc5 41.f4 b4 42.Kd3 b3 43.Kc3 b2 44.Kb2 Kd4 45.e5 fe5 46.f5 Kd5 47.Kc3 e4 48.g4 Ke5 49.Kd2 h5 50.Ke3 h6 51.Kf2 hg4 52.hg4 h5 53.Kg3 e3 54.gh5 Kf5 55.h6 e2 56.Kf2 Kg6 57.Ke2 Kh6 ˝–˝. bar (2030) – gregory (2085), net–chess.com, 2005.

6.e3 Bg7 7.Nf3 d6 8.Be2 0–0 9.0–0 a5 10.Qb3 Be6 11.c4?? Nf3–+ 12.Bf3 Ba1 13.Nd2 Be5 14.b5 Rb8 15.Qc2 Kh8 16.a3 Qg5 17.Be4 f5 18.Bd5 Bd5 19.cd5 f4 20.Nf3 Qg7 21.Ne5 de5 22.e4 f3 23.g3 Qd7 24.a4 Qh3 25.Qc7 Qg2# 0–1. bar (2030) – janlagrain (2000), net–chess.com, 2005.

6.e3 Bg7 7.Nf3 Nf3 8.Qf3 0–0 9.Bd3 d6 10.a4 a5 11.b5 f5 12.Bc4+/– Kh8 13.0–0 Qe7 14.Rd1 Ra7 15.Qd5 b6 16.Ra2 Bb7 17.Qe6 Qg5 18.Bd5?? Bd5 19.Qd5 Raa8 20.Nd2 Rae8 21.Nf3+/– Qg4 22.h3 Qh5 23.Qc4 Re7 24.Rad2 Rfe8 25.Rd5 Bf6 26.Qf4 Re4 27.Qf5 Qf5 28.Rf5 Bc3 29.Rc1 Rc4 30.Nd2! Bd2? 31.Rc4 Kg7 32.Rc7 Kg6 33.Rd5 Bb4 34.Rc6 Bc5 35.Rdd6 Bd6 36.Rd6 Kf5 37.Rb6 h5 38.Ra6 Re4 39.Ra5 Re5 40.Ra6 Ke4 41.b6 Kd3 42.b7 Re8 43.Ra8 Ra8 44.ba8Q (44...Kc3 45.Qc6 Kb4 46.Qb5 Kc3 47.Qh5+–) 1–0. janlagrain (2000) – bar (2030), net–chess.com, 2005.

6.e3 Rg8 7.f4 Qh4 8.Kd2 =+.

6.e3 Rg8 7.Nh3 =.

6.Nf3 Nf3 7.ef3 Qe7 8.Be2 =.

6.Nf3 Bg7 7.e3 a5 8.Bc4?? Nc4–+ 9.0–0 0–0 10.Nd4 ab4 11.cb4 d6 12.Qe2 Ne5 13.f4 Ng4 14.h3 Nf6 15.Nc3 c5 16.Ndb5 cb4 17.Nd1 Ne4 18.Rf3 Ba1 19.Qd3 Bf5 20.Qd5 Qf6 21.Nf2 Nf2 22.Rg3 Kh8 23.Kf2 Rfc8 24.Nd6 Qb2 25.Kf3 Be6 26.Qb7 Qa2 27.Nf7 Bf7 28.Qf7 Qf7 (29.Kf2 b3–+) 0–1. beezaman (1880) – sbryntze, net–chess.com, 2005.

6.Nf3 Bg7 7.e3 d6 8.Be2 Bf5 9.Nd4 Bg6 10.f4 Nc6 11.Bb5 Bd4 12.cd4 0–0 13.Bd3?? Nb4 14.Bg6 hg6–/+ 15.h4 Re8–+ 16.Qd2? Nd5 17.0–0 Re3 18.Re1 Re1 19.Qe1 Nf4 20.Nc3 Qd7 21.Qe3 Qg4 22.Qf2 Nh3 (23.Kf1 Nf2–+) 0–1. beezaman (1880) – gregory (2085), net–chess.com, 2005.

6.Qd5 Qf6

7.Nf3 Ng4 8.h3+– c6? 9.Qh5?? Ne5?? 10.Qe5+– Qe5 11.Ne5 Bg7 12.Nc4 d5 13.Nd6 Kd7 14.Nf5 Bf6 15.Nd4 a5 16.e3 ab4 17.cb4 b6 18.Nc3 c5 19.Nd5 Bd4 20.ed4 Kc6 21.Ne7 Kd7 22.Nc8 Re8 23.Kd2 Rec8 24.Bd3 Rg8 25.g3 Rg7 26.dc5 bc5 27.bc5 Ra5 28.Rhc1 f6 29.a4 Kc6 30.Bb5 Kc7 31.Re1 Ra8 32.Kc3 Rd8 33.Rad1 Rd1 34.Rd1 Re7 35.c6 Re8 36.Rd7 Kb6 37.Rb7 Kc5 38.c7 (38...Rc8 39.Bd7 Rc7 40.Rc7 Kb6 41.Rc6 Kb7 42.a5+–) 1–0. sbryntze – beezaman (1880), net–chess.com, 2005.

7.g3 Bb4!? 8.Bg2 Be7 =+.

7.g3 Ng4 8.Qe4 Qe6 9.Nd2 Qe4= 10.Ne4 Bg7 11.Rc1= b6 12.Bg2+= Bb7? 13.Nd6+– cd6 14.Bb7 Rb8 15.Bd5 Rc8+/– 16.c4 b5 17.h3 Nf6+/– 18.e4 Nd5=+ 19.ed5 0–0 20.Kd2 bc4 21.Ne2 c3 22.Nc3+/– Bc3 23.Rc3+– Rc3 24.Kc3 Rc8 25.Kd3 Kg7 26.Re1 Kf6 27.f4 h5 28.a4 Rg8 29.Re3 Rb8 30.Kc4 Kf5 31.Re7 Rc8 32.Kd4 Kf6 33.Rd7 Rb8 34.b5 Rg8 35.Rd6 Ke7 36.Rh6 Rg3 37.Rh5 Ra3 38.Rh7 Ra4 39.Ke5 Rb4 40.d6 Ke8 41.d7 Kd7 42.Rf7 Ke8 43.Ra7 Rb5 44.Ke6 Rb6 45.Kf5 Rb3 46.h4 Kf8 47.Kf6 Rb6 48.Kg5 Rb1 49.f5 (49...Ke8 50.h5+–) 1–0. gregory (2085) – beezaman (1880), net–chess.com, 2005.

7.Nf3 Nf3

8.ef3 Bb4 9.Qc4 Bd6 10.Nd2 –/+.

8.ef3 Bb4!? 9.Qc4 Qe7 10.Kd1 Bc5 –/+.

8.ef3 c6 9.Qe4=+ Qe7 10.Bd3 d5 11.Qe7 Be7 12.Nd2 Bd7 13.Nb3 0–0–0 14.0–0 f5 15.Rfe1 Bf6 16.Rac1 Bg5 17.Rc2 Rhe8 18.Rce2 Re2 19.Re2 f4 20.Bh7+= Kc7 21.Nd4 Bf6 22.g4 Bd4 23.cd4+= Re8 24.Kf1 b5 25.h4 Kd8 26.Re5 Re7 27.Bf5 Rf7 28.Bd7 Kd7 29.Rh5 Rf6 30.g5 hg5 31.Rg5 Ke6 32.h5 Rf5 33.Rg6 Rf6 34.Kg2 Kf5 35.Rf6 Kf6 36.h6 Kg6 37.h7 Kh7 38.Kh3 Kg6 39.Kg4 Kf6 40.Kf4+– a6 41.Kg4 Kg6 42.f4 Kf6 43.f5 Kf7 44.Kg5 Kg7 45.f6 Kf7 46.Kf5 Kf8 47.Ke6 (47...a5 48.ba5+–) 1–0. gregory (2085) – octopus (2020), net–chess.com, 2005.

8.ef3 Bg7 9.Bd3= c6 10.Qe4 Qe6 11.0–0 d5 12.Qf4 Be5 13.Qd2 Rg8 14.f4 Qg4 15.f3 Qf4 16.Qf4 Bf4 17.g3 Be3 18.Kg2 d4 19.Re1 Kd7 20.a4 Kd6 21.cd4 Bd4 22.Ra2 Be6 23.Rd2 Rgd8 24.Bh7 Kc7 25.g4 Rd7 26.Be4 Rad8 27.h3 Be5 28.Red1?? Rd2–/+ 29.Rd2 Rd2 30.Nd2 Bc3 31.Nf1 Bb4 32.Bc2 b5 33.ab5 cb5 34.Ne3 a5 35.Kf2 a4 (36.Kg1 a3–+) 0–1. gregory (2085) – alaamattar (2100), net–chess.com, 2005.

8.Qf3 Qf3 9.ef3 d5 =.

8.Qf3 Qf3 9.ef3 Rg8 =.

8.Qf3 Qf3 9.gf3 a5 =.

6.e4 Bg7

7.Be2 0–0 8.Nf3 d6 9.0–0 Be6 10.Qc2 Nf3= 11.Bf3 Qg5 12.Nd2 Rad8 13.Nb3 Be5=+ 14.g3 Qf6 15.Nd4?? Bd4–+ 16.Bg2 Bc3 17.Rab1 c6 18.a3 d5 (19.Rfd1 d4–+) 0–1. alaamattar (2100) – gregory (2085), net–chess.com, 2005.

7.Nf3 d6 8.Be2 0–0 9.Nd4 c5 10.Nc2 c4 11.Ne3 Be6 12.f4 Nc6 13.a3 b5 14.Ra2 Bf6 15.Rd2 Qb6+= 16.Kf2 Rad8 17.Re1 Ne7 18.a4 ba4 19.Qa4 d5 20.e5 Nf5 21.Bc4 Ne3 22.Re3 Be5 23.fe5 dc4 24.Qa5 Qa5 25.ba5 Rb8 26.Na3 Rb3 27.Nc2 Rb2 28.Rg3 Kh8 29.Ke3 Bf5? 30.Nb4 Rd2 31.Kd2 Rc8 32.Ke3 Rc5 33.Kf4 Bg6 34.a6 Kg7 35.Rf3 Kf8 36.Rf2 Rc8 37.Ke3 Ke8 38.Kd4 Rc7 39.Nd5 Rc6? 40.Rb2 Kd8 41.Rb8 Kd7 42.Rb7 Ke6 43.g4 (43...Rc7 44.Rc7 f5 45.Nf4#) 1–0. janlagrain (2000) – gregory (2085), net–chess.com, 2005.

7.Nf3 d6 8.Be2 Be6 9.Nd4 Qg5 10.0–0 Bh3=+ 11.Bf3 Rg8 12.Kh1 Nf3 13.Qf3 Bg4 14.Qd3 Bd4 15.f4 Qh5 16.Qd4 Kd7 17.Nd2 Rg6 18.Nc4+/– f6? 19.e5 Be2+/– 20.ed6 Bc4?? 21.Qc4+– cd6 22.Qf7 Kc6 23.Rad1 Rd8 24.Rfe1 Qg4 25.Qc4 Kd7 26.Rd6!! Kd6 27.Qc5 Kd7 28.Re7# 1–0. janlagrain (2000) – alaamattar (2100), net–chess.com, 2005.

7.Nf3 d6 8.Be2 Nf3 9.Bf3 Rg8 10.0–0 =.

7.g3 d6 8.Ne2?? Nd3 9.Qd3+– Bg4 10.Bg2 Be5 11.Nd2 Qf6 12.Nf3 0–0–0 13.0–0 Rhe8 14.a4 Re7 15.Ra3 Red7 16.c4 c6 17.Rc1 Bb2 18.b5 Bc1 19.Nc1 Qg6 20.bc6 bc6 21.c5 dc5 22.Qa6 Kb8 23.Rb3 Ka8 24.Ne5 Rd1 25.Bf1 Qe4?? 26.Qb7# 1–0. alaamattar (2100) – octopus (2020), net–chess.com, 2005.

7.g3 d6 8.f4 Ng4 9.Bh3 =.

6.g3 Bg7

7.e3 d5 8.Nf3 b6?? 9.Nd4 Bb7 10.Bg2 h5 11.Nd2 Nd3 12.Ke2 Ne5 13.N2f3 Ba6 14.b5 Nf3 15.Bf3 Bd4 16.Qd4 Bb5 17.Ke1 Rg8 18.Bd5+– c6 19.Qe5 Qe7+/– 20.Qe7 Ke7 21.Bb3 Rgd8 22.c4 Ba6 23.f4 Rd6 24.Kf2 Bb7 25.Rhd1 Rad8 26.Rd6 Rd6 27.Rd1 f6 28.Rd6 Kd6 29.Ke2 Bc8 30.Kd3 c5 31.Bd1 Bg4 32.Be2 h6 33.e4+= Ke6 34.Ke3 Kd6 35.h4 Ke6 36.a3 ˝–˝. octopus (2020) – alaamattar (2100), net–chess.com, 2005.

7.Bg2 0–0 8.Nf3 c6 9.0–0 d5 10.Qc2 a5 11.Nd4 ab4–/+ 12.cb4 Qb6 13.e3 Qb4–/+ 14.a3 Qe7 15.Nd2 Ra3 16.Ra3 Qa3 17.Rb1 Qd3 18.Bf1 Qc2 19.Nc2 b5 20.Nd4 Bd7 21.N2b3 Ra8 22.Nc5 Be8 23.Nf5 Bf8 24.Nb3 Bd7 25.Nfd4 Nc4 26.Bc4 dc4 27.Nd2 Ra2 28.Ne4 Be7 29.Nc3 Ra3 30.Ne4 b4 31.Nc2 Ra4 32.Nd2 Ra2 33.Nc4 Rc2 34.Nb6 Be6 35.Rd1 b3 36.Rb1 b2 37.Na4 Rc1 (38.Kg2 Rb1 39.Nb2 Bd5 40.e4 Be4 41.Kh3 Rg1 42.f3 Bf3 43.Nc4 f5 44.Ne3 h5 45.g4 hg4 46.Ng4 Bg4#) 0–1. octopus (2020) – janlagrain (2000), net–chess.com, 2005.

7.Bg2 c6 8.Qc2 d5 9.Nd2 a5 10.Rc1 Be6 11.Ngf3 0–0 12.0–0 ab4 13.cb4 Qb6 14.Rb1 Ra7 15.a4= Rfa8 16.a5 Qd8 17.Nd4 Qf6 18.Ne6 fe6 19.e3 ˝–˝. alaamattar (2100) – janlagrain (2000), net–chess.com, 2005.

7.Bg2 c6 8.Nf3 Nc4 9.Qb3 d5 10.Nbd2 Nd2 11.Nd2 0–0 12.0–0 Be6 13.e4? de4–/+ 14.Qc2 Bd5?? 15.Ne4 Re8 16.Rad1 Be4 17.Be4+/– Qf6 18.Bh7 Kh8 19.Bd3 Re7 20.c4+= Rae8 21.Qd2 Qc3 22.Qc3 Bc3 23.b5 cb5 24.cb5 b6 25.a4 Ba5 26.Kg2 Kg7 27.h4 Rd7 28.Bf5 Rc7 29.Rd7 Rd7 30.Bd7 Rd8 31.Rd1 Kf6 32.Bg4 Re8 33.Rd6+– Kg7 34.Rd7 Re4 35.Kf3 Ra4 36.Ra7 Ra3 37.Kg2 Rb3 38.Be6 Rb5 39.Bf7 Kf6 40.Bc4 Rb2 41.Rf7 Ke5 42.Re7 Kd4 43.Be2 b5 44.Ra7 Re2 45.Ra5 b4 46.Rb5 Kc3 47.Kf3 Re6 48.Rc5 Kb2 49.g4 b3 50.g5 hg5 51.hg5 Kb1 52.Kf4 b2–/+ 53.Kf5 Re2 54.g6= Rf2 55.Ke6 Ka2 56.Ra5 Kb3 57.g7 b1Q?? 58.Rb5+– Kc2 59.Rb1 Kb1 60.g8Q Re2 61.Kd5 (61...Kc2 62.Qg6 Kc3 63.Qf6 Kd2 64.Qd4 Kc1 65.Qc3 Kd1 66.Qf3+–) 1–0. octopus (2020) – bar (2030), net–chess.com, 2005.

7.Bg2 c6 8.Nf3 d6 9.0–0 0–0 10.Qc2 Qf6 11.Rc1 Bf5 12.Qb3 Rfe8 13.Nbd2 d5 14.Rab1? Bb1–+ 15.Rb1 Nf3 16.Bf3 Qc3 17.Qd1 Re7 18.Rb3 Qa1 19.Qa1 Ba1 20.Rb1 Bc3 21.Nb3 Bb4 22.Nd4 a5 23.Nf5 Re6 24.Bg4 Rae8 25.e3 Rb8 26.Rb3 c5 27.a3 Bd2 28.Rd3 Bc1 29.Rc3 Bb2 30.Rc5 b6 31.Rd5 Ba3 32.Nd6?? Rd6 (33.e4 b5–+; 32...Bd6?! 33.Be6 Bg3 34.Bf5–/+) 0–1. octopus (2020) – gregory (2085), net–chess.com, 2005.

7.Bg2 c6 8.Nf3 Nf3 9.Bf3 d5 10.Qd3 =.

2.d4 e6

3.a3 Ng4 4.e4 Qh4 5.g3 Qh5 6.Be2 Qg6 7.f3 Nh2 8.Kf2 Bd6 9.e5 Nf3 10.Nf3 c5 11.ed6 cb4 12.ab4 Nc6 13.b5 Nb4 14.b6 Nc2 15.Ra7 Ne3 16.Be3 Rb8 17.Qc1 0–0 18.Qc7 Qg4 19.Bd3 Ra8 20.Bh7 Kh8 21.Bf5 Kg8 22.Ra8 ef5 (22...Qf3 23.Kf3 g6 24.Rc8 g5 25.Rf8 Kf8 26.Qc8 Kg7 27.Qh8#) 23.Qc8! Qg3 (23...Rc8 24.Rc8#) 24.Kg3 Rc8 (24...f4 25.Bf4 Rc8 26.Rc8#) 25.Rc8# 1–0. New Rival aV – MFChess 1.0, Kleinschmidt, CT, 1999.

3.Ba3 a5 4.b5 Ba3 5.Na3 +=.

3.Ba3 a6 4.h3 (4.e4 d5 5.e5 Nf5=) 4...Nf5 (4...d5 5.e3+=) 5.e4= Ne7 6.Bd3 Ng6 7.Nf3 Nf4 8.0–0 h5 9.Nc3 (9.Qd2 Nd3 10.Qd3 g5=) 9...c6 (9...a5 10.Rb1=) 10.Bc4 (10.Rb1 g5 11.Bc1 Nd3 12.Qd3 g4=) 10...f6 (10...d5 11.Bb3=) 11.e5 (11.Ne2 Ne2 12.Be2 g5+/–) 11...Be7 (11...a5 12.Bc1 ab4 13.Bf4 bc3 14.Qd3+=) 12.ef6 (12.Ne2 Nd5+/–) 12...gf6+= 13.Qd2 d5 14.Bb3 Rg8?? 15.Qf4+– Nd7? 16.Rfe1 Nf8 17.Qh6 Kd7 18.Qh5 Ng6 19.Re3 Nf4 20.Qh4?? Rg2?? 21.Kf1+– 1–0. helmisflorin – TikTakToe, Tuebingen internet, 2012.

3.Bh6 gh6 4.b5 d5 5.Nd2 Bb4 6.Rb1 Bc3 7.e3 Bd2 8.Kd2 Bd7 9.Kc1 c6 10.bc6 Bc6 11.Nh3 Qa5 12.Rb2 Nd7 13.Bd3 Nf6 14.Qf3 Qd8 15.Nf4 Qd6 16.Qh3 Qf8 17.f3 Rc8 18.Kd2 Rc7 19.Rhb1 Nd7 20.Kc1 e5 21.de5 Ne5 22.Rb3 Qc5 23.Kd2 (< 23.Qh6 Ba4 24.Bf5 Bb3 25.Rb3 Qa5–+) 23...Qa5 24.Kd1 Nc4 25.Bc4 dc4 26.Rb4 Rd7 27.Ke2 Qa2 28.R1b2 Qa6 29.c3 0–0 30.e4 Rd6 31.Qg4 Kh8 32.Qh5 f5 33.e5 (33.ef5 Qa5 34.f6 Qg5 35.Qg5 hg5=) 33...Re8 34.Qe8 Be8 35.ed6 Qd6 36.g3 Qe5 37.Kd2 b5 38.Ra2 Qc5 39.Ra6 Qf2 40.Ne2 Qf3 41.Rh6 a5 42.Rb2 b4 43.Rd6 Bh5 44.Rd8 Kg7 45.Rd7 Kg8 46.cb4 Qe2 47.Kc3 Qf3 48.Kc2 c3 49.Rd8 Kf7 50.Rb3 f4 51.Rc3 Qe4 52.Rcd3 Qc4 53.Kb2 Qb4 54.Rb3 Qe7 55.Rd5 a4 56.Rbb5 a3 57.Kb3 Qe3 58.Ka2 Bg4 59.Rb7 Kf6 60.Rb3 Qf2 61.Ka3 Be6 62.Rdb5 Bb3 63.Rb3 Qh2 64.Rf3 Qg3! 65.Rb3 Qb3! 66.Kb3 f3 67.Kc3 f2 68.Kd4 f1Q 69.Kd5 Qd3 70.Kc5 Ke5 71.Kb6 Qd5 72.Ka6 h5 73.Kb6 h4 (74.Kc7 Qd6 75.Kb7 h3 76.Ka7 h2 77.Kb7 h1Q 78.Ka7 Qh7 79.Ka8 Qd8#) 0–1. Bestia02c – SSEChess203, computer chess game, 2000.

3.Bh6 gh6 4.c3 d5 5.Nd2 Bg7 6.Ngf3 0–0 7.Rb1 Nd7 8.e4 e5 9.Bd3 de4 10.Be4 ed4 11.Nd4 Bd4 12.cd4 Nf6 13.0–0 Qd4 14.Re1 Bg4 15.Qc1 c6 16.Nb3 Qd6 17.Nc5 Ne4 18.Ne4 Qg6 19.Qc3 Bf5 20.Nf6 Kh8 21.Rb2 Rfd8 22.Qe5 Bd3 23.Nh5 Kg8 24.Rd2 Qg5 25.Qg5 hg5 26.Red1 f5 27.Rd3 Rd3 28.Rd3 Kf7 29.Rd6 Ke7 30.Rh6 Rd8 31.Rh7 Ke6 32.f4 Rd1 33.Kf2 Rd2 34.Kf1 Ra2 35.fg5 Ra1 36.Kf2 b6 37.g6 Ra2 38.Kg3 Ra3 39.Kh4 Re3 40.Nf4 Kd6 41.g7 Re4 42.Kg5 Re8 43.Rh8 Rh8 44.gh8Q c5 45.Qd8 Kc6 46.Qd5 Kb5 47.bc5 bc5 48.Ne6 a6 49.Qc5 Ka4 50.Qb6 Ka3 51.Nd4 Ka4 52.Qb3 Ka5 53.Nc6# 1–0. Bestia03g – SSEChess203, computer chess game, 2000.

2.d4 Nf5

3.e4 Nd6 4.e5 Nf5 5.c3 e6 (5...d6 6.Nf3+=) 6.Nf3 b5 (6...a5!? 7.b5 d6+=) 7.Bb5+/– c6 (7...a5 8.ba5 Ba6 9.Ba4+/–) 8.Bd3+– Ba6 (8...a5 9.Bg5 Qc7 10.ba5+–) 9.0–0 (9.Bf5 ef5 10.Qc2 Bc4+–) 9...Bd3 10.Qd3 Be7 11.Nbd2 a5 12.a3 (better is 12.ba5 0–0 13.Nb3+–) 12...Nh4? (12...ab4 13.cb4 Bb4 14.Ne4+=) 13.g3?? (better is 13.Nh4 Bh4 14.Nc4+–) 13...Nf3+= 14.Nf3 h5 15.Bf4 h4 16.c4 hg3+= 17.fg3 d5 18.c5 Nd7 19.b5 cb5 20.Qb5 Rb8 21.Qd3 Rb2 22.Rf2 Rf2= 23.Kf2 Qb8 24.Rb1 Qa8 25.Bd2 Bc5? 26.a4 Bb4 27.Bb4+/– ab4 28.Rb4 Ke7 29.Qb5?? Qa7 30.Qb7 Qb7 31.Rb7+/– Rb8 32.Ra7 Ke8 33.a5 Rd8 34.Nd2 f6 35.Nb3 fe5 36.de5 g5 37.Nd4+– Nc5 38.Rc7 Ne4 39.Ke3 Rd7?? 40.Rc8 Rd8 41.Rd8 Kd8 42.Ne6 Kc8 43.Kd4 Kb7 44.Kd5 Nc3 45.Kc4 Ne4 46.Kb5 g4 47.Nd8 Ka7 48.Nc6 Ka8 49.Kb6 Nc3 50.e6 Na4 51.Kc7 Nc5 52.e7 Ne6 53.Kc8 Nc7 54.Kc7 ˝–˝. Shuttlebasher – groovenetwork, ChessWorld.net, 2009.

2.d4 g6

3.c4 d5 4.cd5 Qd5 5.a3 =.

3.c4 e5 4.a3 Bg7 5.Nf3 (5.de5 Ng4=) 5...ed4 (5...e4 6.Ng5 Nc6 7.Ne4 Bd4 8.Ra2=) 6.Nd4 (6.Bb2 Nc6 7.Nd4 Ne5=) 6...0–0 7.Bh6 (7.Bb2 Nf5=) 7...Bh6 8.e3 Nc6 9.Be2 (9.Nc6 dc6 10.Qd8 Rd8=) 9...Nd4 10.ed4 d5 11.c5 Bg7 12.Ra2 (12.Nc3 Qh4 13.Nd5 c6–/+ (13...Bd4?! 14.0–0=)) 12...c6 (12...Qh4 13.Rd2+=) 13.0–0 b6 (13...Re8 14.Rd2+=) 14.Nc3 (14.Rd2 Qg5+=) 14...a5 (14...Re8 15.Re1+=) 15.Rd2 ab4 16.ab4 bc5 17.bc5 Black creates threats along the open a–file. 17...Ra3 18.Nb1 Ra1 19.Qb3 Qa5 20.Rfd1 (20.Qb2 Bf5 21.Bd3 Be6+=) 20...Re8–/+ 21.Kf1 (21.Qc3 Qc3 22.Nc3 Ra3–+) 21...Kf8 22.Qb6 Qb6 23.cb6 Bb7 24.Nc3 Rea8 25.Ke1 R8a6?? 26.Ba6+– Ra6 27.Rb1 Ke7 28.Kf1 Ra3 29.Ne2 Kd8 30.Rdd1 (30.Rdd1 Kc8 31.Ra1+/–; 30.Ke1 Ra4+–) 1–0. macsek – Panza, ChessWorld.net, 2004.

3.c4 e6 4.Bd2 b6 (4...Nf5 5.e3+=) 5.Nf3 Bb7 6.e3 Rg8 (6...Nf5 7.Bd3+=) 7.Bc3 (7.Be2 a6+/–) 7...f5 (7...g5 8.h3+=) 8.Nbd2 (8.Be2 g5 9.0–0 g4+=) 8...d6 (8...g5 9.Ne5+=) 9.Bd3+/– g5 10.0–0 g4 11.Ne1 Rg6 (11...c5 12.a3+=) 12.e4+/– Bg7 13.ef5 Nf5 14.Bf5 ef5 15.Nd3 Qg5 16.Re1 Kf7 17.Qc2 Nc6 18.Nb3 Ne7 19.d5 Bc3 20.Qc3 c6 (20...Rh6 21.Nd4+/–) 21.dc6+/– Bc6 22.Nd4 (22.Nd2 Rc8+/–) 22...Be4+= 23.Rad1 (23.Qb3 Rh6 24.c5 d5 25.Ne5 Kf8+=) 23...Rh6 Threatening Qh4 24.Qd2 White fights for the Initiative (24.g3+=) 24...Qh5 (better is 24...Qd2!? 25.Rd2 Rc8=) 25.Qf4+/– g3 (25...Kg8 26.Qg3 Ng6 27.f3 gf3 28.gf3 Bd3 29.Rd3=) 26.h3 (26.Qg3 Rg8 27.Nf4 Rg3 28.Nh5 Rg2 29.Kf1 Rh5 30.Re4 Rhh2–/+ (30...fe4?! 31.Kg2 d5 32.c5=; 30...Rgh2?! 31.Re3–/+)) 26...Bd3 (26...gf2 27.Nf2 (27.Kf2?! Rg6 28.g4 Qh4 29.Qg3 Qg3 30.Kg3 Rag8+=) 27...d5 28.g4+–) 27.Rd3+– gf2 28.Qf2 Rf6 29.Rf3 Rg8? (29...Kf8+–) 30.Qe3 Rg2 (30...Re8 31.Nf5!! Qf5 32.Rf5 Rf5 33.Qe6 Kf8 34.Qh6 Kg8 35.Qd6+–) 31.Kg2 Rg6 32.Kh2 (32.Kh2 Qg5 33.Qf2+–) 1–0. Woelfelschneider,Peter – Van Esbroeck, corr SOK, 1999.

3.c4 Bg7 4.Bh6 (4.e4 d6=) 4...Bh6 5.Nc3 (5.Nf3 0–0=) 5...Bg7 6.e3 d6 7.Nf3 c5 8.b5 0–0 9.Be2 a6 10.0–0 ab5 11.Nb5 (11.cb5 Be6=) 11...Nc6 (better is 11...e5=) 12.dc5 (better is 12.Qb3=) 12...Ba1–/+ 13.Qa1 dc5 14.a3 Qa5 15.Rd1 Bf5 (15...Bg4 16.h3 Bf3 17.Bf3–+) 16.Rd2 (16.Rd5 b6–+) 16...Rfd8–+ 17.Ra2 (17.Rd5 e6 18.Rd8 Rd8–+) 17...h6 18.h3 Be4 19.Ne5 (19.Qc1 Bf3 20.Bf3 Rd7–+) 19...Ne5 20.Qe5 Qe1 21.Kh2 (21.Bf1 Bb1 22.Re2 Qc1–+) 21...Bc6 22.Qc5?? (22.Nc7 Qf2 23.e4–+) 22...Qf2 (23.Bf3 Qa2 24.Bc6 bc6–+) 0–1. blackburne – marekt, ChessWorld.net, 2004.

3.e4 d5 4.Nc3 c6 5.ed5 cd5 6.Bb5 Bd7 7.Qe2 Qb6 8.Qe5 (8…f6 9.Qd5+/–) 1–0. Caissa – 300SPARTANS, Live Game Caissa's Web, 2004.

3.e4 d5 4.ed5 Qd5 5.c3 Bg7 6.Nf3 0–0 7.Nbd2 (7.Be2 a5 8.b5 Bg4=) 7...a5 (7...Qc6 8.Qb3=) 8.b5 Nd7 9.Bc4 Qf5 10.Qe2 Nb6 11.Bd3 Qh5 12.h3 (12.Ne4 Nd5+=) 12...Nd5= 13.Ne4 Bg4 14.Ng3 Bf3 15.gf3 Qh4 16.Qe4 Qe4 17.fe4 (< 17.Be4 Nc3 18.a4 Ne4 (18...Bd4?! 19.Bb7 Rab8 20.Bh6 Rb7 21.Bf8 Kf8 22.Ne2=) 19.fe4 Bd4–/+; 17.Ne4?! Nf5=) 17...Nc3 18.Bd2 Na4 19.Rc1 Rad8 (better is 19...Rfc8!?=) 20.Rc7+/– Rd4 21.Bc2 Nb2 22.Rb7 (22.Ba5?! Ra8 23.Bb6 Rb4=) 22...Rc8 23.Be3 Rb4 24.a3 Rbc4 25.Bd1 Rc3 26.Re7 Nd1 27.Kd1 Ra3 28.b6 Ra2 (28...Kf8 29.Rc7 Rc7 30.bc7+=) 29.Rd7 Rb2 30.Rd2 Rb4 31.Ke2 f6 32.Rhd1 Nf7 33.Ra2 a4 34.Rd5 Bf8 35.Ra5 Rcc4 36.f3 Nd6 37.Ra8 Rc6 (37...Kf7 38.Nf1+=) 38.Nf1 Nc8 39.Rd2 Nb6 40.Bb6 Rbb6 41.Rdd8 Kg7 42.Rf8 Rb2 (42...Rc2 43.Kd1 Rf2 44.Rg8 Kf7 45.Ke1 Rf3 46.Nd2 Rh3 47.Rgc8 Rh1 48.Kf2 Rh2 49.Kg3 Rd2 50.Ra7 Ke6 51.Re8 Kd6 52.Rd8 Ke5 53.Rd2 Rb3 54.Kg2+–) 43.Kd3 Rb3 44.Kd4 Rd6 45.Kc5 Rd1 46.Rg8 Kf7 47.Rgf8 Kg7 48.Rg8 Kf7 49.Raf8 Ke6 50.Nd2 Rd2 51.Re8 Kf7 52.Ref8 Ke7 53.Re8 Kf7 54.Ref8 ˝–˝. Thor – Steve9843, ChessWorld.net, 2006.

3.e4+= d5 4.ed5 Qd5 5.Nc3 Qe6 6.Qe2 =.

3.e4 Bg7 4.Nc3 0–0 5.h4 f6 (5...a5 6.b5 c5 7.h5 cd4 8.Nd5+/–) 6.f4 Nf7 7.h5 g5 8.h6 Bh8 9.Nf3 d5 (9...e6 10.Bd3+=) 10.fg5+/– fg5 11.e5 Nc6 (11...g4 12.Bd3 Re8+–) 12.b5+= Nce5 13.de5 Ne5 (13...g4 14.Ng5 Be5 15.Qd2 Bg3 16.Kd1+/–) 14.Ng5+/– Ng4 (14...Nf3 15.gf3 Bc3 16.Bd2 Bd4+–) 15.Nd5?? (better is 15.Bb2!? Ne3 16.Qd3+–) 15...Nf2?? (better is 15...Ba1 16.Ba3 Re8–+) 16.Ba3+= Nd1 17.Ne7 Qe7 18.Be7 Ne3 19.Bf8 Ba1 20.Bc5 Nf1 21.Rf1 Bc3 22.Ke2 Bd7 23.a4 Rd8 24.Rf7 Bg4 25.Kf2 Be5 26.Be3 Rd7 27.Rd7 Bd7 28.Ba7 Bf5 29.c4 Bf4 30.Be3 Bg5 31.Bg5 Bc2 32.Bf4 Ba4 33.Bc7 Bb3 34.c5 Bc4 0–1. Thor – Per Aspera, ChessWorld.net, 2006.

3.e4+= Bg7 4.Nf3 d5 5.Bd3 a5 6.ba5 0–0 +=.

3.e4+= Bg7 4.Bh6 Bh6= 5.c4 (5.Bc4 e6=) 5...Bg7 6.Nc3 (6.Nf3 d6=) 6...Nc6=+ 7.Nf3 Nb4 8.e5 (8.a3 Nc6–/+) 8...c5–/+ 9.a3 (better is 9.dc5!? Qc7 10.Qe2–/+) 9...Nc6–+ 10.Be2 (10.Nd5 e6 11.Nf6 Bf6 12.ef6 cd4–+) 10...Qa5 11.Qd2 Nd4 12.Nd4 (12.Nd5 Qd2 13.Kd2 Ne6–+) 12...cd4 13.Qd4?? (13.Nb5 Qd2 14.Kd2 Be5 15.Kd3–+) 13...Be5 (14.Qe5 Qe5–+) 0–1. Canuck – marekt, ChessWorld.net, 2004.

3.e4 Bg7 4.Bh6 Bh6 5.Nf3 0–0 6.e5 (6.Nc3 d6=) 6...d5 (6...d6!?–/+) 7.Bd3 f6 (7...Bg4 8.0–0+=) 8.0–0 (8.ef6 ef6 9.0–0 Nc6+=) 8...Bg4 (better is 8...fe5 9.Ne5 Nd7+=) 9.h3? (9.ef6 Rf6 10.Be2+=) 9...fe5?? (better is 9...Bf3 10.Qf3 fe5–+) 10.de5?? Bf3–+ 11.gf3 Bf4 12.Qe2 e6 13.Rd1 Qh4 14.Qf1 Be5 15.Qg2 Ba1 16.Re1 Rf6 17.c4 c6 18.cd5 cd5 19.Rc1 Nc6 20.b5 Ne5 21.Be2 Qf4 22.Re1 Rf5 23.Kf1 Raf8 24.Na3 Bc3 25.Rd1 Nf3 26.Bf3 Qf3 27.Qf3 Rf3 28.Nb1 Rf2 29.Kg1 Bb4 30.Rc1 Ra2 0–1. smn53 – labru, internet, 2009.

3.Nf3 d5 4.Bf4 =.

3.Nf3 Bg7

4.e4 0–0 5.Nc3 (5.Bf4 d6+=) 5...d6 6.h4 (6.Bg5 c5+=) 6...c5= 7.h5 Ng4 8.Nd5 (8.hg6 fg6 9.Bc4 e6=) 8...Nc6 (8...e6 9.Ne3 Ne3 10.Be3 cb4 11.a3=) 9.hg6 fg6 10.Bg5 (< 10.bc5 dc5 11.Bg5 cd4=+) 10...h6 (10...Nf2 11.Kf2 Bd4 12.Ke1 Ba1 13.Bc4+/–) 11.Bc4 Rf7 12.Ne3 Qf8 13.Qd2 hg5 14.Ng5 (< 14.Bf7 Qf7 15.bc5 dc5–/+) 14...d5 15.ed5 (< 15.Nf7 dc4 16.Ng4 Kf7 17.Ne5 Ne5 18.de5 Be5–/+; 15.Bd5?! e6 16.Ne6 Be6 17.Be6 Ne3 18.fe3 cd4=) 15...Nd4 (15...b5 A) 16.dc5?? Rf2 (16...Ba1 17.Nf7 Qf7 18.Ng4 Bg4 19.Bb5–+; 16...bc4?! 17.Ng4 Bg4 18.Nf7 Qf7 19.Rc1–+) 17.Qd3 A1) 17...Ba1?! 18.Ng4 Bg4 19.Qg6 Qg7 20.Qg7 Kg7 21.Kf2 bc4 22.dc6 (22.Ra1? Nb4 23.Kg3 Bf5–+) 22...Bd4 23.Kg3=+; A2) 17...bc4 18.Qg6 Bf5 19.Nf5 Qf5 20.Qf5 Bc3 21.Kd1 Ne3 22.Kc1 Rf5 23.Ne4 Ba1 24.dc6–+; A3) 17...Nce5 18.d6 bc4–+ (< 18...Nc4 19.Nc4 Qf6 20.Rc1–+); B) 16.dc6 bc4 17.Ng4 Bg4 18.Nf7 (< 18.bc5 Rf4 19.c3 Qf5–/+) 18...Qf7 19.bc5 Qe6 20.Kf1 Qc6 21.Re1+=) 16.Ng4 Bg4 (16...Rf4 17.Nh7 Qf7 18.Nh6 Bh6 19.Rh6 Rg4=+) 17.d6= (< 17.Nf7 Qf7 18.c3 Nf3 19.gf3 cb4=+) 17...e6 (17...ed6 18.Bf7) 18.Nf7 Qf7 19.c3 Nf3 20.gf3 Qf3 21.0–0 Kf7 22.Be2? (22.Qg5 Bf6 23.Qc5–/+) 22...Qe2–+ 23.Qf4 (23.Qg5 Qf3 (23...Bc3?! 24.Qe7 Kg8 25.d7 Ba1 26.Ra1=+) 24.Qe7 Kg8–+) 23...Bf5 24.Rae1 (24.d7 Rd8 25.Rae1 Qh5–+) 24...Qh5 (24...Qa2?! 25.Qf3 Qa6 26.bc5–+) 25.Qg3 (25.Re3 Rh8 26.Kg2 Bh6–+) 25...cb4 26.Qg2 (26.cb4 Bh3 27.Rc1 Be5–+) 26...Rb8 27.cb4 Bh3 28.Qe4 (28.Qg3–+) 28...Qg5 (28...Bf1? 29.Qe6 Kf8 30.d7 Qg5 31.Kf1 Qb5 32.Re2+/–) 29.Kh2 Rh8 30.Qb7 Kg8 31.Qa8 Bf8 32.Qf8 Kf8 (33.Re6 Be6#) 0–1. rompepelotas – marekt, ChessWorld.net, 2004.

4.e4 a6 +=.

4.e4 d5 5.ed5 Qd5 6.Be2 +=.

4.Bf4 0–0 5.e3 d5 6.Be2 a6 7.0–0 Nf5 8.Nbd2 Nd7 9.a4 c6 (9...h6 10.c4+=) 10.c4 dc4 11.Nc4 Nb6 12.Be5 Nc4 13.Bc4 Nd6 14.Bd3 f6 15.Qb3 Kh8 16.Bg3 Bf5 (16...Bg4 17.Be2+=) 17.Rfd1 (17.Bd6 Bd3 18.Be7 Qe7 19.Qd3 Qb4+/–) 17...Ne4 18.d5 (18.Bf4 g5 19.Qc2 Nf2 20.Qf2 Bd3 21.Rd3 gf4 22.ef4 Qd6+=) 18...cd5 19.Be4 Be4 20.Nd4 Rc8 (20...f5 21.Ne6 Qb6 22.Ng7 Kg7 23.f3+/–) 21.f3 e5 22.fe4 ed4 23.Rd4 Qe7 (23...f5 24.Rd5 Qe7 25.e5+=) 24.Qd5+/– Rfe8 25.Rad1 f5 26.Bd6 Qh4 27.e5 Qg5 28.e4 Rc2 29.ef5 Qe3 30.Kh1 Re2 31.Rf1 gf5 32.Bc5 Qh6 33.Qc4 R2e5 34.Rd7 Re4 35.Qf7 Re1 36.Rg1 b5 37.ab5 ab5 38.Qf5 R1e5 39.Qf7 Rg8 40.Rgd1 Qh4 41.Qf1 Rge8 42.Qf7 Re1 43.Re1+/– Re1 44.Bg1 Qf6 45.Qa2 h6 46.Qd2 Rf1 47.Qe3 Qf5 48.Rd8 Kh7 49.h3 Rf4 50.Rd7!? Qd7 51.Qf4 Qe6 52.Qf1 Qc4 53.Qf5 Kg8 54.Bc5 Qe2 55.Kg1 Be5 56.Qg6 Bg7 57.Bd6 Qd1 58.Kf2 Qd2 59.Kg3 Qe3 60.Kh2 Qe2 61.Qf5 Qc4 62.Qf3 Qf7 63.Qd3 Qe6 64.Bf4 Qc6 65.g4 Qf6 66.Qd5 Kh8 67.Qe4 Kg8 68.Be3 Qb2 69.Kg3 Qb3 70.Kh4 Qf7 71.Kg3 Qb3 72.h4 h5 73.gh5 Bf8 74.Qg4 Kh7 75.Qf5 Kg8 76.Qg6 ˝–˝. Steve9843 – Per Aspera, ChessWorld.net, 2005.

4.Bg5 d5= 5.h3 (5.Nc3!?=) 5...Nf5+= 6.g4 Nd6 7.Bg2 a5 8.c3 (8.b5!?+=) 8...ab4–/+ 9.cb4 0–0 (9...Nc6 10.Qb3 h6 11.Bd2–/+) 10.0–0 (10.Nc3 Ne4 11.Rc1 Ng5 12.Ng5–+) 10...f5 (10...Nc6!? 11.Qb3 Nd4 12.Nd4 Bd4 13.Nc3–+) 11.gf5 (11.Nc3 Ne4 12.Ne4 fe4+=) 11...Bf5 12.Nc3 Ne4 13.Ne4 Be4 14.e3 Nd7 (14...Nc6 15.b5 Na5 16.Bf4–/+) 15.Nd2 Bg2 16.Kg2 Qe8 17.f4 Ra3 18.Nb3 (18.Rf3 c6+=) 18...Nf6 (18...Nb6 19.Qe2–/+) 19.Qc1+= Qa8 (19...Qa4 20.Nc5 Qb4 21.Rb1+=) 20.Na5 (20.Qc7 Rc8 21.Qe5 Rc2 22.Kg1 Raa2 23.Rfc1 Rg2 24.Kh1 Rh2 25.Kg1=) 20...Ra5 (better is 20...Rd3 21.Qc7 Re3+=) 21.ba5+/– Qa5 22.a3 (22.Rb1 Qa6+=) 22...Re8 23.Qc2 (23.Rb1 b6 24.Qc6 (24.Qc7?! Qd2 25.Rf2 Qe3=) 24...Qd2 25.Kf3+/–) 23...Ne4+= 24.Bh4 c5 25.Be1 Qa6 26.Qb3 e6 27.Rb1 cd4 28.ed4 Qe2 29.Bf2 Nd2 30.Qe3 Qe3 31.Be3 Nf1 32.Kf1 Re7 33.a4 Rc7 34.Rb6 Kf7 35.Ke2 Ke8 (better is 35...Kf6!?–/+) 36.Re6+= Kd7 (36...Re7 37.Re7 Ke7 38.Kf3+=) 37.Rb6= Kc8 38.Kd3 Rf7 39.Re6 Kd7 40.Rb6 Kc7 41.Re6 Kd7 42.Rb6 Kc7 43.Re6 ˝–˝. andytop10 (1910) – papsajt78 (1960), gameknot.com, 2015.

2.d4 Ng8

3.Bd2 Nf6 4.e3 Ne4 5.Bd3 Nd2 6.Nd2 e5 7.Rb1 Nc6 8.b5 Nb4 9.de5 Na2 10.Ne2 Qg5 11.c3 Qg2 12.Be4 Qg5 13.Qb3 Nc3 (better is 13...Nb4!?+/–) 14.Qc3+– (14.Nc3?! Qe5 15.Qc2 Qc5+/–) 14...Qd8 15.Nb3 c6 (15...d5 16.ed6 Qd6 17.Nbd4+–) 16.Na5 Qh4 17.Nf4 c5 18.Bb7 Rb8 19.Bd5 Qg4 20.Qc4 Qf5 21.Nd3 Be7 22.e4 Qf3 23.Rg1 0–0 24.Nc5 Qh5 25.Rd1 (better is 25.Qd4!? Qh2 26.Ke2 Qh5 27.f3 Qh2 28.Kd1 a6+–) 25...Qh2 26.Rg3 Bd8? (26...Qh1 27.Kd2 Qh6 28.Kd3+–) 27.Nab3 Qh5 28.Ra1 Bb6 29.Nd3 Qh2 30.Qc3 Bb7 31.e6! Qh1 (31...de6 32.Qg7#) 32.Ke2 Qh5 33.Kf1 Qh1 34.Rg1 Qh3 (34...Qh6 35.ef7 Kh8 36.Ne5 Bd5 37.ed5+–) 35.Ke2 Qh5 36.Ke1 g6 (36...Qh6 37.ef7 (< 37.ed7 Bd5 38.ed5 Rfd8+–) 37...Kh8 38.Nd4+–) 37.ef7 Rf7 38.Bf7 Kf7 39.e5 Rc8 40.Qb4 Qf5 41.Qf4 Qf4 42.Nf4 Rc2 (42...Re8 43.Nd3 d6 44.Ra4+–) 43.Ne2 Bd5 44.Nbd4 Rc4 45.Rd1 Rc5 46.Rg5 (better is 46.f4!? Ke7+–) 46...Bc4 47.f4 Rd5 48.Rc1 Bd3 49.Rg3 Be4 (49...Ba5 50.Kf2 Be2 51.Ne2 Rb5+–) 50.Rc4 d6 51.e6 Kf6 52.e7! Ke7 53.Nc6 Kf7 (53...Kd7 54.Re4 Rb5 55.Rc3+–) 54.Nc3 (better is 54.Re4!? Rb5 55.Re7 Kf6 56.Rh7 Rb1 57.Kd2 Rb2 58.Kd3 Rb3 59.Nc3 Kf5+–) 54...Bh1 55.Nd5 Bd5 56.Rc2 Be4 57.Ra2 d5 58.Na7 Bc7 59.Nc6 Bd6 60.b6 d4 61.Nd4 Bd5 (61...Kf6 62.Ra6 Bb7 63.Ra7+–) 62.Rb2 Bb7 63.Nb5 Bf8 (63...Bb8 64.Rd3 Bc6 65.Nc7+–) 64.Rc2 Bb4 65.Kd1 Be7 (65...Kf6 66.Rc7 Ba6 67.b7 Bb7 68.Rb7+–) 66.Rc7 Ba6 67.Re3 Bb5 68.Rce7 Kf6 69.b7 Ba4 70.Kd2 Kf5 71.b8Q Kg4 72.Qc8 Bd7 73.Qd7 Kf4 74.Qb5 h5 75.R7e4# 1–0. Bestia_03c – Mint_161, WB, 2000.

3.e4 e5 4.de5 Bb4 5.c3 Bc5 6.Qg4 Kf8 (6...g6 7.Qg3=) 7.Qg3+= d5 (7...d6 8.Nf3+=) 8.Bd3 Nc6 9.Nf3 d4 (9...Nge7 10.0–0+=) 10.0–0 (10.Bb5 Nge7+/–) 10...dc3 11.Rd1 Bb4 (11...Qd7 12.h3+=) 12.a3 (12.Ba3 a5+/–) 12...Ba5+= 13.Bc2 Qe8 14.Be3 Nge7 15.Nd4 Nd4 (15...h5 16.Nb3+=) 16.Bd4+/– Be6 (16...h5 17.Nc3 h4 18.Qg5 Bc3 19.Bc3+/–) 17.Nc3 c6 (17...b6 18.Ba4 c6 19.Ne2+/–) 18.Ne2 Ng6 (18...b6 19.Nf4+/–) 19.f4 Bc4 (19...Bb6 20.Bb6 ab6 21.Nd4+–) 20.Bd3 Bd3 21.Rd3 Bc7 22.Rad1 Kg8 23.Bc5 b6 24.Bd6 Bd6 25.Rd6 c5 26.Nc3+– h5 27.Qg5 Nf8 28.Rd8 Rd8 29.Rd8 f6 30.ef6 Qf7 31.Nd5 g6 32.Ne7 (32.Ne7 Kh7 33.f5 gf5 34.ef5 a6 35.Ng6 Qf6 36.Qh5 Kg8 37.Rf8 Qf8 38.Qh8 Kf7 39.Qf8) 1–0. Klaus Behrmann – macsek, ChessWorld.net, 2004.

3.e4 e5 4.de5 Qe7 5.Bf4 +=.

3.Nf3 d5 4.Bh6 gh6 5.Qd3 +=.

3.Nf3 e6 4.a3 a5 5.b5 c6 (5...d5 6.e3+=) 6.Qd3+/– cb5? (better is 6...f5!?+/–) 7.Qh7+– (7.Qb5?! Qc7+/–) 7...g6?? (7...Qf6 8.e4 g5+–) 8.Bh6 Bh6 9.Qg8 Ke7 10.Qd8 Kd8 11.e3 Bg7 12.Bb5 e5 (12...d5 13.Nbd2+–) 13.Ne5 f6 (13...Be5 14.de5 Nc6 15.f4+–) 14.Ng6 1–0. pfmx – basi, internet, 2009.

3.Nf3 e6 4.Bd2 Nf6 5.e3 d5 6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 Bd6 9.Na3 a5 10.Qe1 Be7 11.Rb1 Ne4 12.ba5 Ba3 13.Rb7 c6 14.Bc3 Bd6 15.a4 Bc7 16.Bd2 Nd6 17.Rb3 0–0 18.Qa1 c5 19.Rfb1 f6 20.Qa3 Nc4 21.Qa2 e5 22.Bc3 Ba5 (< 22...Na5 23.Rb5 Nc4 24.dc5–+) 23.Ba5 Ra5 (23...Na5?! 24.Rb5 Nc4 25.dc5–+) 24.Rb7 Ndb6 25.Qb3 ed4 26.ed4 Na4 27.Re1 Nab6 28.dc5 Nd7 (28...Rc5 29.Ree7 Qe7 30.Re7+/–) 29.c6 (29.Qb4 Nc5 30.Rbe7 Qd6–+) 29...Nc5 30.Qb4 Nb7 31.cb7 Qb6 (better is 31...Qd6 32.c3 Qb4 33.cb4–+) 32.Qb6 Nb6 33.Nd4 Nd7 34.Nf5 Rb5 35.Ne7 Kf7 36.Nf5 Kg6 37.Ne7 Kg5 38.Rd1 Rb7 39.Nd5 Rfb8 40.c4 Rb1 41.f4 Kg4 42.Rf1 Rf1 43.Kf1 Rb2 44.Ke1 Nb6 45.Nb6 Rb6 46.Kd1 Rb2 47.c5 Kf4 48.c6 Rb6 (48...Rg2 49.c7 Rg1 50.Kd2 Rg2 51.Kd3 Rh2 52.c8Q+/–) 49.c7 Rc6 50.Kd2 Rc7 51.Kd3 Ra7 52.g3 Kg4 53.Kc4 Ra2 54.Kd5 Rh2 55.Ke6 Rc2 56.Kf7 Rc7 57.Ke6 Kg3 58.Kf5 Rc5 59.Ke6 f5 (60.Kd6 f4 61.Kc5 h5–+) 0–1. Bestia02c – SSEChess202, computer chess game, 2000.

2.e3 e5

3.a3 d5 4.Bb2 =.

3.a3 Bd6 4.Ne2 (4.Nc3!?+=) 4...0–0 5.Nbc3 c5 (5...Nc6 6.Ng3+=) 6.Ne4+= Be7 7.Nc5 (7.bc5 Na6 8.d4 ed4 9.ed4 Re8+/–) 7...Bc5 (better is 7...d6 8.Nd3 Nd7=) 8.Bb2?? (8.bc5 Nc6+/–) 8...Qf6?? (better is 8...Bb6–+) 9.bc5+= Ng4? (better is 9...Na6!?+=) 10.f3 Nh6 11.f4 Qh4 12.g3 Qh5? 13.Be5 Nc6 14.Bb2 Qf3 15.Rg1+– d5 16.cd6 Bd7 17.Bg2 Qh5 18.h3! 1–0. assad_ia – smn53, internet, 2009.

3.Qh5 d6 4.Nf3 Be7 5.Bb2?? (Better is 5.h3–/+) 5...Bg4–+ 6.Qh6 gh6 7.h3 Bf3 8.gf3 Rg8 9.Nc3 d5 10.a3 Bh4 11.Nb5 c6 12.Be5 cb5 13.Bg2 (13.Bb8 Qb8 14.Bb5 Kd8 15.Bf1–+) 13...Rg2 (14.0–0–0 Bf2–+) –+. oneskipado – jjmrk2, ChessWorld.net, 2003.

2.e4 c6

3.d4 Qb6 4.c3 Ng4?? 5.Qg4+– h6 6.Nf3 g6 7.Ne5 d6 8.Qc8 Qd8 9.Qd8 Kd8 10.Nf7 1–0. pierre – cyrano, ChessWorld.net, 2006.

3.Nf3 d5 4.e5 (4.ed5 Qd5 5.d4 Qd6+=) 4...Bg4= 5.d4 e6 (5...Nf5 6.c3=) 6.c3 (6.Bh6 gh6 7.c3 a5+=) 6...Be7 (6...Nf5 7.h3 Bf3 8.Qf3=) 7.Nbd2 (7.Bh6 gh6 8.Bd3 a5+=) 7...Nd7 (7...a5 8.b5=) 8.Bd3 (8.h3 Bf3 9.Nf3 Nf5+=) 8...a5= 9.a3 (9.b5!?=) 9...ab4+= 10.cb4 Bb4 11.Qb3 (11.ab4 Exploits the pin 11...Ra1) 11...Bd2 (11...Qa5 12.Bb2 Be7 13.0–0–/+) 12.Nd2 Rb8 13.f4 (13.Nf1 Qh4+=) 13...0–0 (13...Nf5 14.Bf5 Bf5 15.0–0–/+) 14.0–0 Nf5 (14...c5 15.Bb5–/+) 15.Qb1 (15.Qb4 Qh4+=) 15...Qh4 (15...Nd4 16.Bh7 Kh8 17.Bd3–/+) 16.Bb2 c5 17.h3 (better is 17.Bb5!? Rfd8 18.Bd7 Rd7 19.dc5–/+) 17...Bh3!–+ 18.gh3? (better is 18.Qe1 Qg4 19.Rf2–+) 18...Qg3 19.Kh1 Qh3 20.Kg1 Ne3 21.Bh7? Kh8 22.Be4 Qg3 23.Kh1 f5 24.Qe1 Nf1 25.Qf1 fe4 (25...fe4 26.Qg2 Qh4 27.Qh2 Rf4 28.Qh4 Rh4 29.Kg2 c4–+) 0–1. Bowers – Karnisky,Robert, Boulder Colorado, 1987.

2.e4 d5

3.ed5 Qd5 4.Nc3 Qd4 5.Nf3 (5.a3 Ng4 6.Qe2 Nc6=) 5...Qb4 6.Rb1 Qc5 7.Rb3 e6 8.Bb5 c6 9.d4 Qh5 10.Be2 Nf5 (better is 10...Qg6=) 11.g4! Qg4 12.Rg1 Qh3 13.Bf1 Qh5 14.Rg5 Qh6 15.Rf5! Qg6 (15...ef5 16.Bh6) 16.Nh4 (16.Rg5 Qf6+–) 16...Qg1 17.Rh5 Nd7 18.Ne4 Be7 19.Ng3 Bh4 20.Rh4 Nf6 (20...c5+–) 21.f4 Nd5 22.c4 (22...c5 23.cd5 Qd4 24.Bb2 Qd1 25.Kd1 ed5 26.Bg7+–) 1–0. Papov – London_Patzer, ChessWorld.net, 2005.

3.ed5 Qd5 4.Nc3 Qd6 5.a3 Nc6 6.Nf3 Nf5 (6...Bg4 7.Nb5 Qd7 8.Be2=) 7.Nb5 (7.Bc4 Nfd4=). marekt – DynamicPossibilities, ChessWorld.net, 2004.

3.ed5 Qd5 4.Nc3 Qd6 5.a3 Bg4 6.Be2 Be2 7.Nge2 e6 8.0–0 Be7 9.d4 Nf5 10.Bf4 Qd7 11.d5 0–0 (11...Bd6 12.Ne4+=) 12.de6 Qe6 13.Bc7 Nc6 (13...Bf6 14.Qd3+/–) 14.Nd5 Rfe8 15.Nef4 Qh6 16.Qg4 Ncd4?? (better is 16...Nfd4 17.c4 Qg5 18.Qg5 Bg5+/–) 17.c3+– (17.Ne7?! Ne7 18.Ra2 Nb5+=) 17...Nc6 (17...Qg5 18.Qg5 Bg5 19.cd4 Nd4+–) 18.Qf5 Bf8 19.Rfe1 Kh8 (19...b5+–) 20.Qf7 Re1 21.Re1 Rc8 (21...g5 22.Ne6 Qg6 23.Qg6 hg6+–) 22.Re8 Re8 23.Qe8 g6 24.Bd6 Kg8 (24...Nd4 25.Be5 Kg8 26.Ne7) 25.Nf6 (25.Nf6 Kh8 26.Bf8 Qh2 27.Kh2 Ne7 28.Be7 Kg7 29.Qf8) 1–0. jjmrk2 (2215) – JFRAY (1905), ChessWorld.net, 2003.

3.ed5 Qd5 4.Nc3 Qd6 5.Nf3 Qb4 6.Rb1 Qc5 7.Rb3 Qd6 8.d4 Nf5 9.Bc4 e6 10.0–0 Be7 11.d5 0–0 12.Ne4 Qd8 13.de6 fe6 14.Nfg5 Bg5 15.Ng5 Qd1 (15...Qf6 16.Re1 Nd4 17.Ne4+/–) 16.Rd1 Re8 17.Bf4 c5 18.Rh3 h6 19.Ne4 b6 20.g4 Nd4 21.c3 Ndc6 22.Bb3 Kh8 23.Rdd3 e5 24.Bh6! Be6 (24...gh6 25.Rh6) 25.Nd6 gh6 (25...Re7 26.Bg5 Kg8 27.Be7 Bb3 28.ab3 Ne7+–) 26.Ne8 Bb3 27.ab3 (27...a6 28.Rh6 Kg8 29.Rdd6+–) 1–0. Papov – Alissa, ChessWorld.net, 2005.

2.e4 e5

3.a3 a5 4.b5 d5 5.ed5 Bc5 (5...Qd5 6.Nf3=) 6.Nc3 Ng4 7.Nh3 Bd4 8.Bb2 Nf6 9.Qf3 0–0 10.Be2 Nbd7 11.0–0 Re8 12.Rab1 Nb6 d5 draws heavy fire 13.Rfe1 h6 14.Bd3 Bg4 15.Qg3 Nbd5 (15...Qd7 16.Ne4 Ne4 17.Re4=) 16.Ne4 Bb2 17.Rb2 Bf5 (17...Bh3 18.Qh3 Nf4 19.Qf3+=) 18.Qf3 (18.Nf6 Qf6 19.Be4 Rad8=) 18...Ne4 (18...Bh3 19.Qh3 Nf4 20.Qf3+=) 19.Be4 (19.Qf5 A) 19...Nd2 20.Qh7 Kf8 21.Qh8 Ke7 22.Qg7 (worse is 22.Re5 Kd6 23.Re8 Qe8 24.Qe8 Re8–+) 22...Nf3 23.Kf1 Nh2 24.Ke2+=; B) 19...Nef6=) 19...Be4 20.Qe4 Nf6 21.Qe2 e4 22.Rb3 Qd6 23.Rd1 Rad8 24.Rc3 Re5 25.Qc4 Rd7 26.d4 Rf5 27.a4 Ng4 28.g3 Qg6 29.Qe2+= Qh5 30.Kg2 Rfd5–/+ 31.b6 c6 32.Rc4 Ne3!–+ (32...Ne3 33.Qe3 Qd1 34.Qe4 Rd4 35.Rd4 Qd4 36.Qe8 Kh7–+) 0–1. pierre (2075) – R_REZAEI (1910), Tuebingen internet, 2012.

3.a3 c5 4.b5 b6 5.Bc4 Qf6? (better is 5...a6+=) 6.Bd5+– Nc6 7.Nf3 Rb8 8.bc6 Bd6 (8...dc6 9.Bb2 Ng4+–) 9.d3 Ng8 10.Nc3 Ne7 11.Bg5 Qg6 12.Be7 Be7 (12...Ke7 13.Nh4 Qf6 14.Nf5 Kf8 15.Nd6 Qd6 16.Qh5+–) 13.c7 Rb7 14.Bb7 Bb7 15.Nd5 0–0 (15...Qd6 16.c3 0–0+–) 1–0. jjmrk2 (2065) – coolerdude (1675), ChessWorld.net, 2003.

3.a3 c6 4.d4 Qf6 5.Nf3 d6 6.de5 de5 7.Bg5 Qe6?? (better is 7...Qd6 8.Ne5 Qd1 9.Kd1 Ng4 10.Ng4 Bg4 11.Be2 Be6+/–) 8.Qd8# 1–0. marekt – Canuck, ChessWorld.net, 2004.

3.a3 d5 4.ed5 Qd5 5.Nc3 Qe6 6.Nf3 b6 7.Bd3+= Bb7 8.0–0 (8.Qe2 Nd7+=) 8...Bd6 9.Re1 0–0? (better is 9...Nd7!?+=) 10.Bh7!+– Kh7?? (better is 10...Kh8 11.Be4 c6+–) 11.Ng5 Kg8 12.Ne6 fe6 13.d3 Rf6 (13...Nf5 14.Ne4+–) 14.Ne4 Rg6 (14...Be4 15.Re4 Nd7 16.c3+–) 15.Qh5 Be4 16.Re4 Rf6 (16...Kh7+–) 17.Bh6 Rh6 (17...gh6 18.Qe8 Kh7 19.Qc8+–) 18.Qe8 Kh7 19.Qc8 Rf6 (19...a5 20.Qb7 Nd7 21.Qa8 ab4 22.ab4+–) 20.Qb7 1–0. marekt – markmooney, ChessWorld.net, 2004.

3.a3 d5 4.ed5 Qd5 5.Nc3 Qe6 6.Nf3 Bd6 (7.Bd3 a5=). DynamicPossibilities – marekt, ChessWorld.net, 2004.

3.a3 d5 4.ed5 Qd5 5.Nf3 a5 6.Qe2 ab4 7.Ne5 Be6 =.

3.a3 d6 4.Nf3 (4.Nc3 Ng4=) 4...Bg4 (4...f5 5.Qe2=) 5.h3 Bh5 6.d4 Nc6 (6...ed4 7.Qd4 Bf3 8.gf3+=) 7.d5 Nd4? (better is 7...Nb8+=) 8.g4+– Bg6 9.Nd4 ed4 10.Bb5 Ke7 11.h4 Be4?? (11...f6+–) 12.Qe2 (12...f5 13.Bg5 Kf7 14.Bd8 Rd8 15.0–0+–) 1–0. marekt – blackburne, ChessWorld.net, 2004.

3.a3 Be7 4.d4 ed4 5.Nf3 (5.Bh6 gh6 6.Nf3 Nc6+=) 5...d6 (5...Ng4 6.Nd4 Nc6 7.Nc6 dc6 8.Qd8 Bd8 9.Bb2=) 6.Bh6+= gh6 7.Nd4 (< 7.Qd4 Bf6 8.Bb5 c6=+) 7...Bd7 (7...Rg8 8.Nc3+=) 8.Nc3 (8.Bb5 Bb5 9.Nb5 Bf6+=). marekt – sugamuxi, ChessWorld.net, 2004.

3.a3 g6 4.Bc4 Qf6 (better is 4...a6!?+=) 5.Nc3+– c6 6.h3 (better is 6.Nf3+–) 6...Qh4? (better is 6...b5 7.Ba2 a5 8.ba5 Ra5+/–) 7.Nf3+– Qf6 (7...Qe7 8.d4 d5 9.Ba2+–) 8.d4 (better is 8.0–0 b5 9.Bb3 Qg7+–) 8...d6? (8...ed4 9.Bg5 Qg7 10.Nd4 a5+–) 9.de5 de5 (9...Qg7 10.Qd3 de5 11.Bh6 Qh6 12.Ne5+–) 10.Bg5 Qd6 11.Qd6 Bd6 12.Bh6 b5 (12...Bf8 13.Bf8 Rf8 14.Ne5+–) 13.Rd1 (better is 13.Nb5!? cb5 14.Bd5 Nd7 15.Ba8 Ke7+–) 13...Ke7 14.Bf7! Bb4 (14...Kf7 15.Rd6 Deflection (15.Rd6 Overloading)) 15.ab4 Kf7 16.Ne5 Kf6 17.0–0 Ke5 (17...Re8 18.Nf3 Kf7 19.Bf4+–) 18.Bg7 Ke6 19.Bh8 Kf7 (19...Na6 20.Rd8 Bb7 21.Ra8 Ba8 22.Rb1+–) 20.Rd8 Nd7 21.Rd1 Ke7 (21...Nb6 22.Bd4 Nd7 23.Rh8+–) 22.Rg8 (better is 22.R1d7 Bd7 23.Ra8 h5+–) 22...Bb7 (22...a5 23.ba5 h5 24.Rg7 Ke8 25.Rdd7 Bd7 26.Rg8 Kf7 27.Ra8+–) 23.Ra8 (23.Rg7 Kf8 24.Rdd7 Ba6 25.Rh7 g5 26.Bg7 Ke8 27.Bh6 Rd8 28.Rhe7) 23...Ba8 24.Ra1 (24.Ra1 c5 25.bc5+–) 1–0. andytop10 (2010) – kinshukb, gameknot.com, 2015.

3.b5 Bc5 4.d3 Qf6 5.Qf3 Qf3 6.Nf3 (< 6.gf3 Bd4 7.c3 Bc5=+) 6...d6 (better is 6...Ng4!?–/+) 7.Bh6= gh6 8.Nc3 Bb4 9.Kd2 a6 10.Be2 Bc3 11.Kc3 ab5 12.Nh4 Be6 13.h3 Nd7 (13...Ba2? 14.Kb2+–) 14.Bg4 Nc5 15.Be6 fe6 16.Rhf1 0–0 17.g3 Ra3 18.Kb4 Rfa8 19.Kb5?? (19.Rab1–+) 19...R3a4 (20.f4 R8a5; 19...Ra2?! 20.Ra2 Ra2 21.Rc1=+) 0–1. coolerdude (1670) – jjmrk2 (2015), ChessWorld.net, 2003.

3.b5 d5 4.ed5 Qd5 5.Nf3 Bg4 6.Be2 Nd7 7.c4 Qe6 8.h3 Bf3 9.Bf3 0–0–0 10.d3 Bb4 11.Bd2 Bd2 12.Qd2 Nf5 13.Bg4 Nc5 14.Be2 Nd3! 15.Bd3 (15.Qd3 Rd3) 15...e4 16.0–0 Rd3 17.Qe2? (better is 17.Qa5 Kb8 18.Nc3–+) 17...Nd4 (17...Qc4?! 18.Nd2 Nd4 19.Qg4 (19.Nc4? Ne2 20.Kh2 Nc3–+) 19...Qe6 20.Qe6 fe6 21.Ne4–+) 18.Qb2 Rd8 19.Nc3 (19.Re1 Rh3! 20.Nd2 Qe5 21.gh3 Ne2 22.Re2 Qb2–+) 19...Rh3! 20.Ne4?? (20.gh3 Nf3) 20...Qe4 21.Rfe1 (21.f3 Qe5 22.gh3 Ne2 23.Qe2 Qe2 24.Rf2 Qc4 25.Rb1–+) 21...Nf3! 22.gf3 Qf3 (23.Qg7 Rh1) 0–1. JFRAY (1880) – jjmrk2 (2210), ChessWorld.net, 2003.

3.c3 c6 4.Bc4 b5 5.Bb3 d6 6.d4 ed4 7.Qd4 (7.Qd4 Ng4 8.a4 ba4 9.Ra4+=) 1–0. Patrick F – papa_Ernie, ChessWorld.net, 2011.

3.Bc4 Bb4 4.Bb2 d6 5.Nf3 Nc6 6.h3 Qe7 7.Nc3 Bc3 8.Bc3 Be6 9.Qe2 a6 10.a4 (10.Rb1 b5 11.Bd5 Qd7=) 10...Bc4+= 11.Qc4 0–0 12.0–0 Kh8 13.Rab1 Rab8 14.Rb2 Rfc8 (14...Qe6!? 15.Qd3 f5=) 15.Rfb1+= Nd8 16.d4 f6 17.de5 (17.a5 c6=) 17...fe5 (17...de5 18.Nh4=) 18.Bd2+= Nhf7 19.Rb3 c6 20.a5 Rc7 21.Be3 Qe6 22.Qe2 c5 23.Rb6 Qe7 (23...Qa2!?=) 24.Ra6+= Rc6 25.Rab6 Rb6 26.Rb6 Rc8 27.Qb5 h6 28.g3 Rc7 29.Nh4 Qd7 30.Ng6 Kg8 31.Qd7 Rd7 32.a6 ba6 33.Ra6 Nh8 34.Nh8 Kh8 35.Kf1 Kg8 36.Ke2 Kf8 37.f4 ef4 38.gf4 Kf7 39.h4 Ne6 40.f5 Nf8 (40...Nc7 41.Rb6+=) 41.Bf4+/– Ke7 42.f6 (42.Rc6!?+/–) 42...gf6+= 43.Bh6 Ng6 44.h5 Ne5 45.Ra8 Ng4 46.Bf4 Ne5 (46...Ke6 47.Rg8 Ne5 48.h6+=) 47.h6+/– Ng6 48.Kf3 (48.Bg3 Kf7+/–) 48...Kf7 (48...Ke6 49.Bd2+=) 49.Bg3+/– d5 50.ed5 Rd5 51.Ra7 Ke6 52.Ra6 (52.Rg7 Ne5 53.Be5 Re5+/–) 52...Kf5 (52...Kf7 53.h7 Rh5 54.Bd6=) 53.Rc6 Kg5 54.h7 Kh6 55.h8R (55.Rc7!? Nh8 56.Bf2+=) 55...Nh8= 56.Rf6 Kg7 57.Rc6 Nf7 58.Ke4 Rh5 59.Bf4 Kf8 60.Bd6 Attacking the isolated pawn on c5 60...Nd6 61.Rd6 Ke7 62.Rd5 Rh4 63.Kd3 c4 64.Kc3 Ke6 65.Rd4 Rh8 (65...Rh2!?=) 66.Kc4+/– Rh5 67.Kb4 Rh8 68.c4 (68.c3 Rb8 69.Ka4 Rc8+/–) 68...Ke5+= 69.Rd1 Rb8 70.Kc3 Rc8 71.Rd5 Ke6 72.Kb4 White intends c5 72...Re8 (72...Rb8 73.Rb5 Rf8 74.Rh5=) 73.Rh5 (73.Rd4 Rb8 74.Kc5 Ke5 75.Rd5 Ke6 76.Rd6 Ke5+/–) 73...Re7 (73...Kd6 74.Rh6 Kc7 75.Kb5=) 74.c5 (74.Kb5 Kd7+/–) 74...Rb7 75.Kc4 Rb2 (75...Rb1 76.Rh7+=) 76.Rh3 (76.Rh7 Rb1+=) 76...Rc2 (better is 76...Kd7!?=) 77.Kb5+/– Kd7 78.Rh7 Kc8 79.Kc6 Kb8 80.Rh8 Ka7 81.Rh5 Rc3 (81...Kb8 82.Rg5+/–) 82.Kd6 (82.Kc7 Rg3 83.Rd5 Rg2+–) 82...Rc4 (82...Kb8 83.Rh8 Kb7 84.Rh7 Kb8 85.Rg7+/–) 83.Rh7 (better is 83.Kc7!? Rg4 84.Rh7+–) 83...Kb8+= 84.Kd5 (84.Rg7 Kc8+/–) 84...Rc3 85.c6 Rc2 86.Rb7 Kc8 87.Rb4 Rc3 88.Rc4 Rc4 89.Kc4 Kc7 90.Kd5 Kc8 91.c7 Kc7 ˝–˝. kupovgeorge (1880) – andytop10 (1905), gameknot.com, 2015.

3.d4 Bb4 4.c3 Ba5 (4...Bd6 5.Bh6 gh6 6.Nf3 ed4 7.cd4=) 5.Nf3 (5.Bh6 gh6 6.de5 Nc6+=) 5...d6 (5...ed4 6.Qd4 0–0 7.Bh6 gh6 8.Qe5=) 6.Bc4 (6.Bh6 gh6 7.de5 0–0+/–) 6...f6 (6...ed4 7.Bg5 Qd7 8.Qd4=) 7.0–0 Bg4 8.Bh6 gh6 9.a4 (9.h3 Bh5+=) 9...Bf3 (better is 9...Nc6!?=) 10.Qf3+/– (10.gf3?! Nc6=) 10...Nc6 11.Bb5 a6 12.Bc6 bc6 13.de5 (13.Qh5!? Kd7 14.Rd1+/–) 13...fe5= 14.Qh5 Kd7 15.Qh6 Rb8 16.c4 (16.Nd2 Qg8+=) 16...Rb3 (16...Qg8 17.Ra3=) 17.f4 (17.Qg7 Ke6 18.Qg4 Ke7+=) 17...Bb6 18.Kh1 Qg8 (18...Qf8 19.Qh4=) 19.fe5 de5 (19...Bd4 20.Nd2 Ba1 21.Nb3 Be5 22.Qh3 Ke7 23.Na5+=) 20.a5 Rb2?? 21.Qh3+– Kd6 22.Qd3 Bd4+= 23.Nc3?? Qg2 0–1. maz_manchester – I need chocolate..., ChessWorld.net, 2005.

3.Nf3 Bb4 4.c3 Bd6 5.Bc4 =.

3.Nf3 Nc6 4.b5 Nd4 5.Bb2 (5.Nd4 ed4 6.Bc4 Qh4=) 5...Nf3 6.Qf3 d6 7.Bc4 Qe7 (7...Bg4 8.Qc3=) 8.0–0 Qh4 9.g3 (9.d4 ed4 10.Bd4 Be6+=) 9...Qg5 (9...Qh3 10.Nc3=) 10.d3 (10.Bd5 Bd7 11.Bb7 Rb8+/–) 10...Bg4= 11.Qg2 (11.Qe3 Qe3 12.fe3 c6=) 11...Qh5+= 12.f3 (better is 12.f4!?+=) 12...Bh3–/+ 13.Qf2 Bf1 14.Qf1 Be7 15.Nd2 Qg5 (15...Bg5 16.Nb3–/+) 16.Bc1 Qe3 (16...c6 17.Rb1–/+) 17.Kh1 c5?? (17...Qb6 18.Nb3+=) 18.bc6 (better is 18.Nb3 Qc1 19.Qc1+–) 18...bc6+= 19.Nb3 Qb6 20.f4 0–0 21.fe5= Ng4 22.ed6 Bd6 23.Bf4 Nf2 24.Kg2= Bf4 25.Qf2 Be3 26.Qe2 Rfe8 27.Qf3 h6?? 28.Bf7+– Kh7 29.Be8 Re8 30.Qf5 Kg8 31.c4 Rf8 32.Qe6 Kh8 33.d4! Rf2 34.Kh3 Bd4 35.Rd1 Qd8?? 36.Nd4 c5 37.Qe5 cd4+= 38.Rd4 Qc8 39.g4 Qf8? 40.Rd7+– Qa3 41.Kh4 Qf8? 42.Rb7 a5?? 43.Rb8 Rh2 44.Kg3 (44.Kg3 Rf2 45.Rf8 Rf8 46.Qa5+–) 1–0. DWSU (1645) – JanAnton (1615), ChessWorld.net, 2009.

3.Bb2 Bb4

4.Be5 0–0 5.c3 Nc6 6.Bf4+= Ba5 7.Bh6 gh6 8.Bd3 (8.Bc4 Re8 9.Bd5 Ne7 10.Qg4 Kf8=) 8...d5 9.Nf3?? de4–+ 10.Be4 Re8 11.d3 f5 12.Qb3 Be6 13.Qb7 fe4 14.de4 Bc4 15.Nbd2 Qd3 16.Kd1 Red8 17.Qc6 Qc3 (18.Qe8 Re8–+) 0–1. Kevin@home – marekt, ChessWorld.net, 2004.

4.Be5 0–0 5.c3 Nc6 6.Bg7 Kg7 7.cb4 =.

4.Be5 0–0 5.c3 Re8!? 6.cb4 Re5 =+.

4.Be5 0–0 5.Bf4? Qf6–+ 6.Bh6 Qa1 (6...Qh6?! 7.c3 Qf6 8.d4=; 6...gh6?! 7.c3=) 7.Be3 Qa2 8.Nf3 d5 9.ed5 Bf5 10.Bd3? (10.c3–+) 10...Bd3 11.cd3 Qd5 12.0–0 Qd3 13.Ne5 Qe4 14.Nf3 Nc6 15.Qb3 Qe6 16.Qe6 fe6 17.d4 h6 18.Rc1 a5 19.Ne5 Ne5 20.de5 Rf7 21.Nc3 Bc3 22.Rc3 a4 23.Bc1 Rd8 24.g3 b5 25.Ba3 g5 26.Rc6 Rd1 27.Kg2 Rd2 28.Re6 Rff2 29.Kh3 h5 30.Rg6 (30.Re8 Kf7 31.Re7 Kg6 32.Re6 Kf5 33.Rf6 Ke5 34.Rf2 Rf2 35.Bc5 g4 36.Kh4 Rh2 37.Kg5–+) 30...Kh7 (31.Rg7 Kg7 32.Bf8 Kf8 33.e6 Rh2) 0–1. coolerdude (1670) – jjmrk2 (2105), ChessWorld.net, 2003.

2.e4 e6

3.a3 a5 4.b5 c6 5.Bb2 (5.d4 Ng8+=) 5...d5 6.e5 (6.ed5 ed5 7.Nf3 Nf5+=) 6...Qb6 7.Nc3 a4 8.d4 (8.Nf3 Bd7=) 8...Bd7 9.Rb1 cb5 10.Nb5? (better is 10.Bc1 b4 11.Bh6 gh6 12.Na2=) 10...Bb5–+ 11.Bc3 Nc6 (11...Ra5 12.Nf3 Nc6–+ (12...Ba3?! 13.Qd2 Bb4 14.Rb4–/+)) 12.Rb5= Qc7 13.Qb1 Ra7 14.Qb2+= Be7 15.Bd3 f6 16.f4 0–0 17.Nf3 fe5 18.fe5 Ng4 19.Bd2+/– h5 20.0–0+– Nd8 21.c4 dc4+= 22.Rc1 Qd7= 23.Bc4 Kh8 24.d5+– ed5 25.Rd5 Qe8 26.h3 Nh6 27.Bd3 Nf5 Black plans h4 28.e6 Ng3 29.Qe5 h4 30.Be1 Nc6 31.Qe3 Ra8? 32.Bg3 hg3 33.Qe4 Threatening mate: Qh7 33...g6 34.Nh4 Rf6 35.Ng6 Rg6 36.Qg6 Qg6 37.Bg6 Ba3 38.Rc4 Bb2 39.Rg5 Bd4? 40.Kf1 a3= 41.Bb1 Rf8?? 42.Ke1 Rf4?? 43.Kd1 Rf1 44.Kc2 Rf2 45.Kd3 a2 Threatening mate... how? 46.Ba2! Ra2 47.Rc6! bc6 48.Kd4 Rg2 49.e7 Re2 50.Re5 (50.Re5 Kg8 51.e8Q Kg7 52.Rg5 Kf6 53.Rg6 Kf5 54.Qf7) 1–0. Bowers – Karnisky,Robert, Denver Colorado, 1987.

3.a3 a5 4.b5 d5 5.e5 =.

3.a3 b6 4.d4+= g6 (4...Bb7 5.Bh6 gh6 6.Nd2+=) 5.Nf3+/– Bb7 6.Bd3 f5 7.Qe2 fe4 8.Be4 Be4 9.Qe4 c6 10.Bg5 Qc8 11.Bf6 Rg8 12.Ng5 d5 (12...a5 13.Nh7 Nf5 14.b5+/–) 13.Qe2+– (worse is 13.Qe6 Qe6 14.Ne6 Bd6+/–) 13...Nf5 14.Nh7 (14.g4 Bg7 15.Nh7 Nd6+–) 14...a5 (14...Qd7 15.Nf8 Rf8 16.Be5+–) 15.ba5 (15.Nf8?! Rf8 16.Be5 ab4+=) 15...Ra5 16.0–0 (16.g4 Nd6 17.Be5 Ke7+–) 16...Ra4 (16...Ra7 17.Ng5+/–) 17.Re1+– (17.Nf8?! Rf8 18.Be5 Nd4+=) 17...Kf7 18.c3 (18.Nd2 Bg7 19.Bg7 Kg7+–) 18...Bh6 (18...Bd6 19.Be5 Be7 20.Bf4+–) 19.Nd2 (19.g4 Ne7+–) 19...Re8 20.g4 Nd7 21.Bg5+– Kg7 22.gf5 Kh7 23.fg6 Kg6 24.Bh6 Kh6 25.Qe3 Kg6 26.Qg3 Kf7 27.Nf3 Do you see the mate threat? 27...e5 28.Kh1 e4 29.Ng5 Ke7 30.f3 (30.f3 Qb8 31.Qg4+– (31.fe4?! Qg3 32.hg3 Kf6 33.Nh7 Kf7+–); 30.Ne4 de4 31.Re4 Kf7 32.Rf4 Nf6+–) 1–0. Rosner,Dirk – Van Esbroeck,Dirk, email SOK–99–E005A, 1999.

3.a3 d5 4.e5 =.

3.a3 Rg8 4.Bb2 (--> 2.Bb2 Rg8 3.e4 e6 4.a3).

3.a3 Qh4 4.Nc3 g6 5.Nf3 Qd8 6.d4 Bg7 7.Bc4 0–0 8.0–0 d6 9.Re1 Ng4 10.Bg5 Qd7 11.e5 de5 12.de5 Nc6 13.Bf4 a6 14.Qd7+– Bd7 15.Rad1 Bc8 16.h3 Nh6 17.Ne4+– Nf5 18.Nf6 Kh8 19.Bd3 Nce7 20.Be4 c6 21.c4 Bf6 22.ef6 Ng8 23.g4 Nfh6 24.Bd6 Rd8 25.g5 Nf5 26.Ne5 (26...Ngh6 27.Bc5+–) 1–0. marekt – Ryaad Aabid, internet, 2005.

3.Bb2 Bb4?? 4.Bg7+– Rg8 5.Bh6 Qf6 6.c3 Bc5 7.Be3 Bd6 (7...Be3 8.de3 d6 9.Qf3+–) 8.Nf3 Nc6 9.Nd4 a6 10.Qh5 Qg6 11.Qh3 Qe4 12.d3 Nd4?? 13.de4 (13.cd4?! Qg6+–). coolerdude – oneskipado, ChessWorld.net, 2003.

3.Bb2 c6 4.Nf3 a5 5.b5 f5 6.ef5 Nf5 7.a4 Bc5 8.d4 Bd6 9.Bd3 b6 10.0–0 0–0 11.c4 c5 12.Nc3 Bb7 13.Be4 Be4 14.Ne4 Qc7 15.d5 e5 (Better is 15...Bf4!?+/–) 16.Nd6+– Qd6 17.Be5 Qg6 18.d6 Re8?? (Better is 18...Qe6+–) 19.Qd5 Qf7 20.Qa8 Nc6 21.Qe8 (21.Qc6 dc6) 21...Qe8 22.bc6 dc6 23.Rfd1 Nd4 24.Bd4 cd4 25.Rd4 c5 (25...Qd7 26.Ne5 Qe8 27.d7+–) 26.d7 (26...Qd7 27.Rd7+–) 1–0. jjmrk2 (2035) – coolerdude (1615), ChessWorld.net, 2003.

3.Bb2 Rg8 (--> 2.Bb2 Rg8 3.e4 e6).

3.h3 Bb4 4.a3 (4.c3 Be7+=) 4...Bc5 (4...Ba5!?–/+) 5.d4= Be7 6.Bh6 gh6 7.Nf3 c6 (7...d5 8.e5=) 8.Nc3 (8.e5 d6=) 8...d5 (better is 8...Qa5 9.Qd3 Bb4+= (worse is 9...Ba3 10.Nd2+/–)) 9.Ne5? (9.Qd2 Qa5 10.Nb1 Qd2 11.Nbd2 Rg8+=) 9...Nd7 (9...Qa5 10.Qd2 Bb4 11.ab4 Qa1 12.Ke2–+) 10.Ng4 (10.Nd7!? Bd7 11.Qd2+=) 10...h5 (10...Qa5 11.Qd2 Bb4 12.ab4 Qa1 13.Ke2–+) 11.Ne3–/+ Nf6 12.e5 Nd7 13.Qh5 Nf8 14.Bd3 Bd7 15.Ng4?? Qa5–+ 16.0–0 Qc3 17.Nh6 0–0–0 18.Nf7 Rg8 19.Nd8–/+ Kd8 20.Bh7?? Rh8–+ 21.Qe2 Rh7 22.f4 Qd4 (22...Qd4 23.Kh2 Qa4–+) 0–1. RaymundG – ANZARBOND (1725), internet, 2010.

2.e4 g6

3.Bb2+= f6 4.Nc3 Bg7 5.b5 0–0 6.Nf3 e5 7.Bc4 Kh8 8.0–0 a6 9.a4 ab5 (9...f5 10.d3+=) 10.ab5+/– Ra1 11.Qa1 c6 (11...d6!?+/–) 12.Qa8+– cb5 13.Nb5 (13.Qb8?! bc4 14.Qd6 b6=) 13...Nc6 14.Ba3 Re8 15.Nd6 Rf8 16.Ra1 (worse is 16.Nc8 Qc8 17.Qa4 Re8+/–) 16...Nf7?? (better is 16...f5 17.Nb7 Bb7 18.Qb7 Re8+–) 17.Nf7 Rf7 18.Bf7 1–0. pierre (2090) – helmisflorin, Tuebingen internet, 2012.

3.Bb2+= f6 4.Nf3 Bg7 5.d4 Nf7 6.Bd3 d6 7.0–0 Nc6 (7...0–0 8.Nbd2+=) 8.b5 Na5 9.Bc3+/– b6 10.Ba5 ba5 11.c4 Bd7 12.Nc3 a6 13.Rb1 ab5 14.cb5 0–0 15.Bc4 e6 16.Qb3 Qe8 17.Qa3 Ng5 18.Ng5 fg5 19.Ne2 Kh8 20.Rfc1 e5 21.Qd3 h6 22.Bd5 Ra7 23.de5 Be5 24.Qe3 Qb8 25.b6 cb6 26.Rb6 Qd8 27.h4 Bf4 28.Nf4+– gf4 29.Qc3 Qf6 30.Rb8! Kh7 31.Rf8 1–0. marekt – delair, ChessWorld.net, 2004.

2.Nf3 d5

3.a3 a5 4.b5 =.

3.a3 e5 4.Ne5 a5 (4...Bd6 5.d4 Be6 6.Nc3+=) 5.Bb2+= ab4 6.ab4 Ra1 7.Ba1 Bd6 8.c4 f6 9.Qa4 c6 (9...Kf8 10.Nf3 dc4 11.b5+=) 10.Nf3 dc4 11.b5 Nd7 12.Qc4 Nc5 13.bc6 Qb6 14.Na3 bc6 15.Nd4 Ng4 (15...Ne4 16.Ndb5 cb5 17.Qe4 Kf7 18.Bb2+=) 16.Qc2+/– Bh2? (16...Qa5 17.Bb2 Qa4+/– (17...Nh2 18.Nc4 Qc7 19.Nd6 Qd6 20.Rh2 Nd3 21.Qd3 Qh2 22.Qe4 Kf8 23.Qc6+–)) 17.g3+– 0–0 (better is 17...Kf7 18.e3 h5 19.Bc4 Kf8+–) 18.Bh3 Nd3 (18...Bg3 19.fg3 g6+–) 19.Qd3 Qc5 (19...Ne5 20.Qc2 Bh3 21.Rh2 c5+–) 20.Qc4 Qc4 21.Nc4 Ne5 (21...c5 22.Nf3+–) 22.Nf5 Nc4 23.Ne7 Kf7 24.Nc8 (24.Rh2?! Bh3 25.Nc6 Ra8+=) 24...Bg3 (24...Rd8 25.Bc3 Bg3 26.fg3+–) 25.fg3 Rd8 (25...g6 26.d3 Ne5 27.Kd2+–) 26.d3 Ne5 (26...Na5 27.Bc3 Nb3 28.Kf2+–) 27.0–0 Rd5 28.Bg2 Rd8 29.Be5 Rc8 30.Bf4 h5 31.Kf2 Ke6 (31...Ke7 32.Rb1 g6 33.Rb7 Ke6 34.Bh3 f5 35.Bg2+–) 32.Rc1 g6 (32...Ke7 33.Bh3 Ra8 34.Rc6+–) 33.Bc6 g5 (33...Ke7 34.Rc4+–) 34.Bd2 Rb8 (34...Rd8 35.Be4 Rd6 36.Rh1+–) 35.Bf3 Rb6 (35...Rb2 36.Bc3 Rb6 37.Bh5+–) 36.Bh5 Rd6 37.Rc8 Rb6 38.Re8 Kd7 39.Rf8 Ke7 40.Rf7 Ke6 41.Bc3 Rb3 42.Rf6 Ke7 43.Bd4 Rb1 44.Rg6 Rh1 45.Rg5 Kd6 46.e4 Rh2 47.Ke3 Ke7 48.Rg7 1–0. marekt – m.davidson, internet, 2015.

3.Bb2 e6 4.e3 Nd7 (4...f6 5.a3=) 5.Nc3 Nf6 6.a3 Bd6 (6...c6 7.Bd3=) 7.Nb5+= Bd7 8.Nd6 cd6 9.h3 0–0 10.c4 a5 (10...dc4!? 11.Bc4 Rc8=) 11.g4+= Ne4 12.cd5 ed5 (12...Rc8 13.Bg2+=) 13.d3 Ng5 14.Bg2 Nf3 15.Qf3 Be6 16.Qf4 ab4 17.Qd4 Qg5 18.0–0 (18.Qb4 Qe7+/–) 18...f5 19.f4 (19.Bd5 Bd5 20.Qd5 Nf7 21.ab4 Ra1 22.Ba1 f4+/–) 19...Qg6 20.g5 (20.Bd5 Bd5 21.Qd5 Kh8+=) 20...ba3= 21.Ra3 Ra3 22.Ba3 Nf7 23.Rc1 b5 24.Bb2 h6 25.h4 hg5 26.hg5 Nd8 27.Rc7 Rf7 28.Qb6 Rc7 29.Qc7 Nf7 30.Bf3 Kh7 31.Qe7 b4 32.Kf2 b3 33.Qf8+– Ng5 34.fg5 Qg5 35.Qd6 Bf7 36.Qc7 (36.Qc7 d4 37.Bd4+–) 1–0. R_REZAEI (1925) – pierre (2060), Tuebingen internet, 2012.

3.d4 Ng4 4.e3 Nc6 (4...e5 5.de5 Bb4 6.c3=) 5.Bb2 (better is 5.b5!? Nb8 6.Bd3+=) 5...Nb4+= 6.h3 Bf5 7.Bd3 (7.hg4!? Nc2 8.Ke2=) 7...Nd3–/+ 8.cd3 Nf6 9.Nc3 e6 10.0–0 Be7 11.Nh4 0–0 12.g4 (12.Nf5 ef5 13.Qf3 Re8+=) 12...Bg6 13.Ng6 fg6 14.f4 c5 15.Ne2 Qb6 (15...c4 16.dc4 dc4 17.Qc1–+) 16.Bc3 c4 17.dc4 dc4 18.Ng3 White prepares the advance f5 (18.g5 Nd5 19.Qd2 Qc6–/+) 18...Nd5–+ 19.Qe1 (19.Qd2 Rac8–+) 19...Bh4 20.Kh2 Qd6 (20...g5 21.Rb1 Qa6 22.Qd2–+) 21.Rf3 (better is 21.a3–+) 21...g5 22.f5 (22.Bd2–+) 22...ef5 23.gf5 Nc3 24.Qc3 Rf5! 25.Qc4 (25.Rf5 Qg3 Deflection) 25...Kh8 26.Raf1 Raf8 27.Rf5 Qg3 28.Kh1 Qh3 29.Kg1 Qe3 (29...Qf5?? 30.Rf5 Rg8 31.Rf7+–) 30.Kg2 ˝–˝. Klein,Werner (1765) – Klein,Tobias (2145), remoteschach.de, 2011.

2.Nf3 d6

3.Bb2 a6 4.a4 Bg4 5.e3 Bf3 6.Qf3+= c6 7.d4 d5 8.Bd3 e6 9.c3 Be7 10.0–0 Nd7 11.Nd2 Bf6 12.Qe2 Ng8 13.f4 Ne7 14.Rf3 g6 15.h3 Nf5 16.Bf5 gf5 17.Kh1 Ke7 18.Rg1 Rg8 19.Nf1 Qf8 20.Rg3= Rg3 21.Ng3 Qh6 22.Qh5 Qh5+= 23.Nh5 Rg8 24.g4 fg4+= 25.hg4 h6 26.Rg2 Nb6 27.Nf6 Kf6 28.Kh2? Nc4 29.Bc1–/+ Ke7 30.Kh3 Nd6 31.Rc2 Nc4 32.Kh4 Rh8 33.Kh5 Kf6 34.a5= Kg7. Tragosso – sjoukje10, ChessWorld.net, 2010.

3.d4 g6 4.Nc3 Ng4 5.h3 Bg7?? 6.hg4+– Bg4 7.Rh4 Bd7 8.Bh6 Bh6 9.Rh6 e6 10.Qd2 Qe7 11.g4 Nc6 12.g5 0–0–0 13.b5 Nb8 14.Bg2 d5 15.Qe3 f6 16.Nd5! Qd6 17.Nf6 Bb5 18.Rb1 Bc6 19.Bh3 Nd7 20.Be6 Bd5 21.Bd5 Nf6 22.Bb7 Kd7 23.Ne5 Ke7 24.Ng6 Kf7 25.Nh8 Rh8 26.Rf6 Qf6 27.gf6 Re8 28.Bd5 (28...Kg6 29.Qe8 Kg5 30.Qe5 Kg6 31.Be4 Kh6 32.f7 c6 33.f8Q#) 1–0. jaskier (2245) – yaunootz (1645), internet, 2007.

2.Nf3 e5

3.Bb2 Bb4 4.Ne5= 0–0 5.e3 f6 6.Nf3 Nf7 7.Bc4 d5 8.Bb3 c6 9.0–0 Be6 10.Nd4 Bd7 11.Nc3 a6 12.Qh5 Be8?? 13.Qg4 Ne5 14.Qe2 c5?? 15.Bd5 Kh8? 16.Ne6 Qd6 17.Nf8 Bc3 18.dc3 Qd5+= 19.Ba3 b6 20.f4+/– Nc4 21.Rad1 Qf7 22.Bc1?? Kg8? 23.Rd8+– Kf8 24.Qf3 Ra7 25.Rb8 Nd6 26.Qc6 Qe7 27.Rd1 Rd7 28.Qb6 Nc4 29.Rd7 Qd7 30.Qc5 Nd6 31.Ba3 Ke7 32.Rb6 Kf7 33.Rd6 Qg4 34.Qd5 Kg6 35.h3 Qe2 36.Qd3 (36...Qd3 37.cd3+–) 1–0. yaunootz (1660) – pietshaq (1630), internet, 2007.

3.Bb2 e4 4.Ng1 =+.

3.Nc3 Bb4 4.Nd5 Bd6 5.Bb2 c6–/+ 6.Ne3 f6 7.g3 Nf7 8.Bg2 Bc7 9.c4 d5 10.cd5 cd5 11.Qb3 d4 12.Nd5 0–0 13.Nc7 Qc7 14.0–0 Nc6 15.e3 de3 16.de3 Ncd8 17.Ba3 Be6 18.Qa4 Bd7 19.Qh4 Re8 20.Rfd1 Nc6 21.Nd2 Rad8 22.Nb3 Ne7 23.Nc5 Ng6 24.Qb4= b7 Bc6 25.Nb7 Bg2 26.Nd8+/– Bh3 27.Nf7+– Qf7 28.Qe4 Be6 29.Rab1 f5 30.Qc6 f4?? 31.Rb7 Qf5 32.Qe8 Nf8 33.Rd8 (33...h6 34.Qe7 Qb1 35.Rb1 Kh8 36.Rb7 Bf7 37.Qf7 fg3 38.Qg7) 1–0. jaskier (2200) – pietshaq (1715), internet, 2007.

2.Nf3 f6

3.e4 Nc6 4.d4 e6 (4...Nb4 5.Bh6 gh6 6.c3+/–) 5.b5+/– Bb4?? (better is 5...Ne7+/–) 6.c3+– Ba5 (6...Nd4 7.Nd4 (worse is 7.cb4 Nf3 8.Qf3 Nf7+–) 7...Bf8 8.Bh6 gh6 9.Qh5 Ke7 10.Bc4+–) 7.bc6 dc6 8.Qb3 Bd7 9.Bh6 gh6 10.Qb7 Bc8 11.Qa8 a6 12.Qc6 Qd7 13.Qc5 (13.Qc5 Bb6 14.Qh5 Qf7 15.Qh6+–) 1–0. R_REZAEI (1890) – TikTakToe, Tuebingen internet, 2012.

3.e4 e6 4.a3 d5 5.Nc3 d4= 6.Na4 a6 7.Bb2 e5 8.c3 b5 9.cd4 ba4 10.de5 f5 11.ef5 Bf5 12.Bc4 Qd7 13.Nd4 Bg4 14.f3 Bh5 15.Be6 Qe7 16.Qa4 Nd7 17.0–0 Bf7? 18.Bh3 (18...a5 19.Qc6+–) 1–0. jaskier (2170) – thotares (1675), internet, 2007.

2.h3 e5

3.a3 a5 4.b5 =.

3.a3 d5 4.d3 (4.d4 ed4 5.Bh6 gh6=) 4...c5 (4...Nf5 5.Nf3+=) 5.Bb2 (5.Nf3 cb4 6.Bh6 gh6 7.Ne5 d4=) 5...f6 (5...cb4 6.Be5 Nc6 7.Bb2–/+) 6.e3 (6.c3 Be6+=) 6...a6 (6...cb4 7.d4 ba3 8.Na3–/+) 7.d4 (7.bc5 Bc5 8.d4 ed4 9.ed4 Qb6=) 7...cd4 (7...ed4!? 8.Qh5 g6–/+) 8.ed4= e4 (8...Nc6 9.de5 Ne5 10.f4=) 9.Nc3 (better is 9.c4=) 9...Nc6 (9...Be6 10.Nge2=) 10.Nce2?? (10.Qh5 Nf7 11.Qd5+/– (worse is 11.Nd5 g6 12.Qe2 Qd5–/+)) 10...Bd6+= 11.Nc3 Be6 12.b5 ab5 13.Bb5 0–0 14.Nce2 Ne7 15.c3 Qb6 16.a4 Rfc8 17.Bc1 Nf7 18.Bd2 f5 19.Rb1 Qc7 20.g3 Ng6 21.h4 Ne7 22.Nf4 Bd7 23.Nh5 Bb5–+ 24.ab5 g6 25.Nf4–/+ Kg7?? 26.Ne6+– (26.Ne6 Kg8 27.Nc7 Rc7 28.Ra1+–) 1–0. RaymundG – jevaisbien, internet, 2010.

3.c3 Qf6 =.

3.c3 Ng8 =.

3.e4 Bb4 4.a3 (4.c3 Bc5+=) 4...Bc5–/+ 5.Ne2 (5.Nf3 Nc6–/+) 5...Nc6 (5...Qf6 6.d4 ed4 7.Bb2–+) 6.f3 (6.Nbc3 Qf6 7.d4 Nd4–/+) 6...0–0 (6...f5 7.Nbc3–+) 7.Bb2 (7.c3 d6–+) 7...d5 8.ed5 (8.ed5 Nd4 9.Qc1–+). chessdoctor79 – BRATULEANU, internet, 2010.

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    Available lines:
  • 1.b4 (4 players, 1 day/move)
  • 1.b4 (4 players, 10 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.Be5 Nf6 (4 players, 3 days/move)
  • 1.b4 e5 2.Bb2 Bb4 3.f4 ef4 4.Bg7 Qh4 5.g3 fg3 6.Bg2 gh2 7.Kf1 hg1Q 8.Kg1 (Kucharkowski-Meybohm gambit, 6 players, 10 days move)
  • 1.b4 e5 2.Bb2 f6 3.e4 Bb4 4.Bc4 (Sokolski gambit, 4 players, 3 days/move)
  • 1.c4 Nf6 2.b4 (English orangutan, 4 players, 3 days/move)
  • 1.e4 c5 2.b4 (Sicilian: Wing gambit, 4 players, 10 days/move)
  • 1.e4 e6 2.Nf3 d5 3.e5 c5 4.b4 (French: Wing gambit, 4 players, 3 days/move)

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