CLICK!

GET MY 1.b4 COLLECTION
1.b4 collection contains much more games and lines than can be presented here.
Click here for more info!

Flag Counter

TESTI800 Release 2016-09-07
Send your 1.b4 games to me, please. Thank you! /Marek
Marek Trokenheim's homepage
(c) Marek Trokenheim

1.b4 f5 2.Bb2

(...)

2…a6 3.Nf3 b5 4.e3 a5? 5.Nh4+– ab4?? 6.Qh5 g6 7.Ng6 hg6 8.Qg6. Fournier,Frederic (1770) – Savardjp, Active, 2007.

2…b5 3.e3 a6?? 4.Nf3 Nc6 5.a3 e6 6.c4 Nge7 7.cb5+– ab5 8.Bb5 Na7 9.Be2 Bb7 10.0–0 d6 11.d4 d5 12.Nbd2 Qd6 13.Nb3 Bc8 14.Ne5 Ng6 15.f4 Bb7 16.Nc5 Rb8?? 17.Bh5 Nc6 18.Bg6 hg6 19.Ng6 Rh6 20.Nf8 Kf8 21.Rf3 Ne7 22.Rg3 Rg6 23.Rg6 Ng6 24.Qh5 Kf7 25.Nb7 Rb7 26.Qe2 Qc6 27.Rc1 Qd7 28.Qa6 Rb8 29.Qa7 Rc8 30.a4 Ne7 31.b5 1–0. Fournier,Frederic – Vinsot,Serge, Partie Libre, 1994.

2…h6? 3.Be5?? h5 4.d4 a5 5.a4?? b5?? 6.ab5+– g5?? 7.Ra2 Ra6?? 8.f3 Rd6 9.Ra4 Ra6 ½–½. Werle,J (2455) – Schebler,G (2495), Bundesliga, 2004.

2...b6

(--> 1.b4 b6 2.Bb2 f5).

3.e3 Bb7 (--> 1.b4 b6 2.Bb2 Bb7 3.e3 f5).

2...Nc6

3.a3 d6 4.e3 e5 5.f4 Qe7 6.fe5 de5 7.Nf3 Be6 8.Be2 0–0–0 9.0–0 e4= 10.Nd4 Nd4 11.Bd4 Qg5 12.c4 b6 13.c5 bc5 14.Bc5 h5? 15.Ba6 Kd7 16.Qa4 +–. Fournier,Frederic (1975) – WagnerOsler (1920), Active (1/0), 2005.

3.a3 e5 4.b5 Nd4 5.e3 Ne6 6.Be5 d6 7.Bb2 Nf6 8.Nf3 Be7 9.Be2 0–0 10.0–0 b6 11.h3 Bb7 12.a4 Nd5 13.c4 Nf6 14.d4 Nd7 15.Nbd2 Ng5 16.Ng5 Bg5 17.Bf3 Bf3 18.Nf3 Nf6?? 19.Ng5 Ne4 20.Nf3 Qf6 21.g3 Qg6 22.Kg2 h5 23.h4 f4 24.ef4 Rf4 25.Qd3 Rh4 26.Nh4 (26.Nh4 Qg4 27.Rae1+–) 1–0. Fournier,Frederic (2070) – yasserbarakat, Active (1/0), 2005.

3.b5 Nb4 4.Nc3 e6 5.a3 Nd5 6.Nd5 ed5 7.e3 Nf6 8.Nf3 Be7 9.Bd3 d6 10.0–0 Be6 11.Nd4 Qd7 12.Qf3 g6 13.Rac1 c5 14.bc6 bc6 15.Ba1 a6 16.c4 Rg8 17.Ne6 Qe6 18.cd5 cd5 19.Rc6 Ne4 20.Be4 Qe4 21.Qd1+/– g5 22.d3 Qe6 23.Qa4 Qd7 24.Rfc1 Kf7 25.Qa5 Bd8?? 26.Qd5 Qe6 27.Rd6 Qd5 28.Rd5 f4 29.Rd7 Be7 30.Rcc7 Rge8 31.Bd4 Rab8 32.h3 Rb5? 33.Bc3 a5? 34.ef4 gf4 35.Bd2 Rf5 36.Ra7 Ke6 37.Rdb7 Ba3 38.Ra5 Ra5 39.Ba5 Ra8 40.Bb4 Bb4 41.Rb4 Ra1 42.Kh2 Rd1 43.Rd4 Ke5 44.Re4 Kd5? 45.Rf4 Rd3 46.Rf7 Rd2 47.Rd7 Kc4 48.Rd2 (48...h6 49.f4+–) 1–0. Goutioudi,Eirini – Oikonomopoulou,Maria, Girls–12 Niforeika, 2000.

3.b5 Nb8 4.a4 Nf6 5.Bf6 ef6 6.Nc3 Bc5 7.e3 c6 8.Bc4 d5 9.Bb3 0–0 10.d4 Bb4 11.Nge2 Qa5 12.0–0 Bc3 13.Nc3 Qc3 14.Qf3 a6 15.bc6 bc6 16.Qg3 a5 17.Rac1 Na6 18.e4 fe4 19.Qc3 Nb4 20.Qg3 Bf5 21.c3 Nd3 22.Rcd1 h5 23.Bc2 Bg4 24.f3 ef3 25.gf3 h4 26.Qg4 Nb2 27.Rde1 Rae8 28.Re8 Re8 29.Qh4 Nc4 30.Qh7 Kf7 31.Qg6 Ke7 32.Re1 Kd6 33.Qe8 1–0. ronnieg (2585) – WhiteCastle (2535), TIO_56 (fics, Fremont, California USA) (7), 2001.

2...e5

3.Be5 Nc6 4.Bb2 Nb4 5.a3 Nc6 6.Nf3 Nf6 7.e3 b6 8.d4 Bb7 9.c4 g6 10.Be2 Bg7 11.0–0 Ne4 12.Nc3 0–0 13.Nd5 Ne7 14.Nf4 c5 15.Rb1 cd4 16.Nd4 Re8 17.Nb5 Nc6 18.Qd5 Kh8 19.Bg7 Kg7 20.Rfd1 Re7 21.Nd6 Nd6 22.Qd6 Ne5 23.Qd4 d6 24.a4 Kg8 25.a5 Be4 26.Rb5 Bc6 27.Rb2 ba5 28.c5 (28...d5 29.Rbd2+/–) 1–0. Mehlhorn,U – Lang,K, M–356–D, 2001.

3.Be5 Nc6 4.b5?? Ne5–+ 5.e3 d5 6.f4 Nc4 7.Bc4 dc4 8.Nf3 Bc5 9.0–0 Nf6 10.Qe2 Be6 11.Nc3 0–0 12.Ne5 Ne4 13.Ne4 fe4 14.Nc4 b6 15.Ne5 Kh8 16.c3 Qd6 17.a4 Bf5 18.Rad1 Qe6 19.g4 Bg6 20.f5? Qe5 21.fg6 Rf1 22.Rf1 hg6 23.Qg2 Rf8 24.Rf8 Bf8 25.Qh3 Kg8 26.Qg2 Be7 27.h3 Bh4 28.Qe2 g5 29.Qc4 Kh7 30.Qe2? Qg3 31.Kf1 Qh3 32.Kg1 Qg3 33.Kf1 Qd6 34.Kg2 Qd3 35.Qd1? Qd6 36.Qe2 Qg3 37.Kf1 Qh3 38.Kg1 Qf3 39.Qf1?? Qg4 (39...Qg4 40.Qg2 Bg3–+) 0–1. Fournier,Frederic (1705) – ososan (1665), Active, 2007.

3.Be5 d6 4.Bg3?? Qf6?? 5.c3?? f4–+ 6.Qa4 Bd7 7.b5 fg3 8.hg3 Nh6?? 9.e4?? Ng4 10.Nh3 Ne5 11.Be2 Bh3 12.Rh3 Nbd7 13.d4 Ng6 14.b6 cb6 15.Bg4 Qf7 16.Nd2 a6 17.d5? b5 18.Qd1 Nde5 19.Be6 Qf6 20.Qe2 Be7 21.g4?? Nf8 22.Nf3 Ne6 23.Ne5 Nf4 24.g5 Qe5 25.Qe3 Nh3 26.Qh3 Bg5 27.f3 Qc3 28.Kf2 Qa1 29.Qh5–+ g6 30.Qg4 Be7 31.Qe6 Qf6 32.Qg4 0–0 33.Qd7 Qd4 34.Kg3 Qe5 35.Kh3 Qh5 36.Kg3 Qh4# 0–1. pinecrest1981 – Peredur, Live Game Caissa's Web, 2004.

2…h5

3.e3 g5?? 4.Bh8+– d5 5.Qh5 Kd7 6.Nf3 Nf6 7.Qg5 Kd6 8.Qf4 e5 9.Qe5 Kc6 10.Bf6 Qd7 11.Qc3 Kd6 12.Qc5 Ke6 13.Qf8 Nc6 14.Ng5# 1–0. mrkt – Baker, ChessWorld.net, 2003.

3.e3 Nf6 +=.

3.Nf3+= Nf6 4.c4 e6 5.b5 d6 6.Nc3 c6 7.g3 Ne4 8.Qc2 d5 9.cd5 cb5? 10.Ne4+– fe4 11.Qe4 Rh6 12.Rc1 b6 13.de6 Re6 14.Qa8 Nc6 15.Rc6 (15.Rc6 Rc6 16.Qc6 Qd7 17.Qe4 Kd8 18.Bg2+–) 1–0. pierre – nafhans, internet, 2009.

2...Nh6

3.e3 b6 4.Qh5 g6?? 5.Qf3+– Nc6 6.Bh8 Nb4 7.Qa8 (7...Nc2 8.Kd1 Na1 9.Ba1+–) 1–0. Trkn – guest4736, ICC, 2004.

3.e3 d6!? +=.

3.e3 g6?? 4.Bh8+– Nc6 5.b5 Nb4 (5...Nf7 6.Bb2 Na5 7.Nf3+–) 6.c4 c5 (6...e5 7.Be5 Ng4 8.Bc3 Nf2 9.Kf2 Qh4 10.g3+–) 7.a3 Qb6 (7...Nf7 8.Bb2+–) 8.ab4 d6 9.bc5 Qc5 (9...dc5 10.d4+–) 10.Bd4 Qc7 11.Ra7 e5 (11...Qb8 12.b6 Bd7 13.Nc3+–) 12.Ra8 Kf7 13.Bb6! Qb6 14.Rc8 e4 15.Nc3 Be7 16.Nd5 (better is 16.Qa4 d5 17.Nd5 Qd6+–) 16...Qc5 17.Rc5 dc5 18.Ne7 Ke7 19.d4 b6 20.dc5 bc5 21.b6 (21.b6 Nf7 22.b7 Ne5 23.b8Q Nd3 24.Bd3 ed3 25.Qc7 Kf6 26.Qa1 Kg5 27.Qf4 Kh5 28.Qd1#) 1–0. Fournier,Frederic (2445) – 2Rook33, Chessworld.net, 2012.

2...d5

3.a3 Nd7 4.e3 e5 5.c4 c6 6.c5 Ngf6 7.Be2 (7.Nf3 Qc7=) 7...Be7 (7...e4 8.d3=) 8.Bh5 (8.Nf3 e4 9.Nd4 Nb8=) 8...g6 (8...Nh5 9.Qh5 g6 10.Qd1=+) 9.Be2= 0–0 10.d4 e4 11.Nd2 Rf7 12.Nh3 Nf8 13.Nf4 Rg7 14.h4 Ne6 15.g3 Nf4 16.ef4 h5 (16...Be6 17.Rb1=) 17.0–0= Bd7 18.f3 (18.Re1 Ng4=) 18...Qc7 19.fe4 fe4 20.Nb3 Bg4 21.Bg4 Ng4 22.Qe2 Rf8 23.Kg2 Rgf7 24.Bc1 Rf5 25.Bd2 Bf6 26.Be3 Re8 27.Rad1 Qg7 28.a4 Re7 29.b5 Ne3 30.Qe3 Rc7 31.a5 cb5–/+ 32.Qe2 a6 33.Qe3 Be7 34.Kh3 Rf8 35.Rde1 Bd8 36.Qd2 Qd7 37.Kg2 Rc8 38.Re3 Bc7 39.Qb2 Rce8 40.Rf2 Qd8 41.Kh3 Ba5–+ 42.Na5 Qa5 43.Rfe2 Rc8?? 44.Rc3?? Qd8 45.Rec2 Rf6 46.Re3 Rfc6 47.Kh2 b6 48.Kg2?! bc5 49.Rc5 Rc5 50.dc5 Rc5 51.Qe5 Qf8 52.Rc3 Rc3 53.Qc3 b4 54.Qb3?? Qc5 55.Kh3 e3 56.Qb1 Kg7 57.f5 gf5 58.Qf5 Qd6 59.Qh5 Qe6 60.g4 e2 61.Qg5 Kf7 62.Qh5 Ke7 63.Qh7 Kd6 64.Qb1 e1Q 65.Qe1 Qe1 66.h5 (66.h5 Qe3 67.Kh4 Ke5 68.h6 Qf2 69.Kh5 Kf6 70.g5 Kf5 71.g6 Qh2#; 66.Kh2 Qf2 67.Kh3 Ke5 68.h5 Kf4 69.g5 Qg3#). dtpwaldi (1625) – kw57, kurnik, 2012.

3.a3 e6 (--> 1.b4 d5 2.Bb2 e6 3.a3 f5).

3.a3 Nf6 4.e3 Nbd7 5.f4 c5 6.Nf3 e6 7.b5 b6 8.c4 Bb7 9.Be2 Be7 10.0–0 0–0 (10...Bd6+=) 11.d4 (better is 11.Ng5 Re8 12.Ne6+/–) 11...Ne4= 12.Nbd2 Bf6 13.Ne4 fe4 14.Ne5 Ne5 15.fe5 Bg5 16.Bc1 cd4 17.ed4 Rf1 18.Bf1 dc4 (18...Rc8!? 19.cd5 ed5=) 19.Bc4+= Bd5 20.Bd5 ed5 21.Qg4 e3 (21...Be7 22.Bh6 Bf8 23.Rc1+=) 22.Qf3 (22.Qg3 a6+/–) 22...Qf8 (22...Qd7 23.Qg3 Bh6 24.Be3 Be3 25.Qe3 Qb5+=) 23.Kf1 (better is 23.Qd5 Kh8 24.Qf3+/–) 23...Qf3 24.gf3 Rc8 25.Ke2 Rc2 26.Kd3 Rh2 27.Be3 Be3 28.Ke3 Rb2 29.Rc1 Rb3 30.Kf4 Ra3 31.e6+– Kf8 32.Ke5 Rf3 33.Kd5 Ke7? 34.Rc7 Kf6 35.Rf7 (35.Rf7 Kg6 36.Rf3 Kg5 37.e7 Kh5 38.e8Q g6 39.Qe5 g5 40.Qe8 Kh4 41.Qe6 a6 42.Rh3) 1–0. ludice (1685) – johamanek, kurnik, 2011.

3.b5 e6 4.e3 Nd7 5.c4 Ngf6 6.d4 c6 7.a4 Bb4 8.Bc3 Bc3 9.Nc3 0–0 10.Bd3 Ne4 11.Be4 fe4 12.f4 ef3 13.Nf3 Qf6 14.0–0 Qh6 15.Qd3 Nf6 (15...dc4 16.Qe2=) 16.e4 (16.Ne5 dc4 17.Nc4 Bd7+/–) 16...de4 (better is 16...dc4!? 17.Qe2 cb5 18.ab5 Ng4+=) 17.Ne4+/– Ne4 18.Qe4 Bd7 19.Ne5 Rad8?? (19...Rf1 20.Rf1 Be8+–) 20.bc6 Bc6+/– 21.Nc6 bc6 22.Rf8 Rf8 23.Qc6?? Qe3 24.Kh1+/– Qe2 25.h3 h6 26.Kh2 Rf2 27.Rb1 Rf8 28.Rb7 Qf2?? 29.Qd6 Qe2?? 30.Re7 Qc4 31.Qe6 Qe6+/– 32.Re6 Rd8 33.Re4 Kf7 34.Kg3 Kf6 35.Kf4 g6 36.g4 g5 37.Ke3 Rb8 38.Re5 Rb3 39.Ke4 Rh3 40.Ra5 Rg3 41.Ra6 Kg7 42.Ra7 Kg6 43.Ra6 Kg7 44.Kf5 Rf3 45.Ke5 Rf4 46.d5 Rg4 47.d6 Rg1 48.d7 Rd1 49.Rd6 Re1 50.Kd5 Rd1 51.Kc6 Rc1 52.Kb6 (52.Kb6 Rb1 53.Ka7+–) 1–0. carocan (1615) – 08eugen, kurnik, 2011.

3.b5 Nf6 4.e3 e6 5.d4 Bd6 6.Nf3 0–0 7.c4 c6 8.c5 Bc7 9.a4 Bd7 10.Be2 Qe7 11.0–0 Ne4 12.Nbd2 (12.Qc2 b6 13.Rc1 bc5 14.dc5 Rc8+=) 12...Qf6 (12...Qe8 13.Ne4 fe4=) 13.Bd3 (13.Ne5 Be8+/–) 13...Qh6 (13...Nc5 14.Be2 Rc8 15.Ne5=+) 14.Be4 (better is 14.Ba3+=) 14...fe4–/+ 15.Ne5 Be8 (15...cb5 16.Qb3 Na6 17.Ba3 Be5 18.de5–/+) 16.f4 (16.Qb3!?=) 16...ef3 17.Ndf3 Bh5 (17...Qe3 18.Kh1 Bg6 19.Ng6 hg6+=) 18.Qd2= Bf3 19.Nf3 Nd7 20.Rf2 (better is 20.Qd3=) 20...Rf3?? (20...Nf6 21.Re2–/+) 21.Rf3?? (better is 21.gf3 Rf8 22.Raf1+/–) 21...Qh2–/+ 22.Kf1 Nf6 23.Rh3 Ne4–+ 24.Qe1?? Rf8 25.Rf3 Rf3 26.gf3 Ng3 27.Qg3 Qg3 28.Bc1 Qf3 29.Ke1 Bg3 30.Kd2 Qf2 31.Kd3 Qf1 32.Kd2 Be1 33.Kc2 Ba5 34.Bb2 Qc4 35.Bc3 Qc3 (35...Qc3 36.Kb1 Qd3 37.Ka2 Qc2 38.Ka3 Bb4 39.Kb4 Qb2 40.Ka5 Qc3#) 0–1. popovicigelu – dhimiter, kurnik, 2011.

3.d3 e6 4.a3 Nf6 5.Nd2 Bd7 6.Ngf3 Nc6 (6...a5 7.ba5 Ra5 8.e3=) 7.g3 Bd6 8.Bg2 a6 (8...0–0 9.c4=) 9.0–0 Nh5 10.c4 Rg8 (10...0–0 11.Nd4+=) 11.Qc2 g5 12.c5 Bf8 13.e4 de4 14.de4 g4 15.Ne1 (15.Ne5 Bg7 16.Ndc4+/–) 15...Rg5? (better is 15...f4!?=) 16.f4+– Rg6 17.ef5 ef5 18.Nd3 a5 (18...Be7 19.Nc4 Rh6 20.Nde5+–) 19.Rae1 (19.Rfe1 Re6 20.b5 Re1 21.Re1 Ne7 22.Bb7 Rb8+–) 19...Re6 (19...Be6 20.Bc6 bc6 21.Ne5+–) 20.Bc6 bc6 (20...bc6 21.Ne5 Re7+–). FatMaHa – arian1230, ChessWorld.net, 2005.

3.d4 e5 =+.

3.d4 e6 4.f4? Bb4–/+ 5.c3 Bd6 6.e3 Nf6 7.Bb5 (7.Nf3 Ne4–/+) 7...Bd7 8.Bd3 Nc6 (8...0–0 9.Nf3–+) 9.Nf3 Qe7 (better is 9...Ng4 10.Qe2 0–0–/+) 10.Na3?? (better is 10.0–0–/+) 10...Ba3–+ 11.Ba3 Qa3 12.0–0 Qc3 13.Ng5 h6 14.Nf3 Ne4 15.Be4 Qe3 16.Kh1 Qe4 17.Re1 Qf4 18.g3 Qg4 19.Rb1 b6 20.Ne5 Qd4 21.Qh5 Kd8 22.Nf7 Ke7 23.Nh8 Rh8 24.Rbd1 Qf6 25.Rf1 Nb4 26.g4 Qg5 27.a3 Qh5 28.ab4 Qg4 29.Rg1 Qf3 30.Rg2 Qd1 (30...Qd1 31.Rg1 Qf3 32.Rg2 c5 33.h4 cb4 34.Kh2 Qf4 35.Rg3 Qh4 36.Kg2 g5 37.Re3 Qd4 38.Rf3 e5 39.Rf5 Bf5 40.Kf1 Qe3 41.Kg2 Be4 42.Kh2 Qd2 43.Kg1 Qg2#) 0–1. alarconconsult – bdschwanke82 (1690), internet, 2007.

3.e3 a6 4.c4+= e6 5.Nf3 Nf6 6.a3 Nc6 7.d4 Ne4 8.Nc3 h6 (8...Be7 9.Bd3+=) 9.Ne5 Nc3?? (better is 9...Ne5 10.de5 g6+/–) 10.Qh5 (10.Bc3?! Ne5 11.de5 Be7+/–) 10...Ke7 (10...g6 11.Qg6 Ke7 12.Qf7 Kd6 13.c5) 11.Qf7 (11.Bc3?! Ne5 12.de5 Qe8 13.Qh4 Kf7 14.cd5 ed5+/–) 11...Kd6 12.c5# 1–0. Tiedemann,Joern (2125) – Korn,Lothar (1700), remoteschach.de, 2009.

3.e3 b6 4.Qh5 g6 5.Qh4 Nf6 6.Nf3 h6 7.Be2 g5?? (better is 7...Rg8+/–) 8.Ng5!+– Rg8?! (8...hg5 9.Bf6 Double attack (9.Qh8 Pinning; 9.Qh8 Deflection; 9.Bf6 Decoy)) 9.Bf6 (9.Bh5!? Nh5 10.Qh5 Kd7+–) 9...ef6 10.Nh7 (better is 10.Qh5 Kd7 11.Qf7 Kd6 12.c4+–) 10...Bg7 11.Qd4 c5 (11...c6 12.Nc3 Be6 13.Bh5 Bf7=) 12.bc5+– bc5 13.Bb5?? (better is 13.Qc5 Be6 14.Nc3+–) 13...Kf7= 14.Qc5 a6 15.Bc6 Nc6 16.Qc6 Ra7 17.Nc3 Bb7 (better is 17...Rd7=) 18.Qb6?? Qb6–+ 0–1. Trkn – NO MERCY, itsyourturn.com, 2000.

3.e3 g6 4.Bh8 Nc6 5.b5 Nb4 6.a3 Nc2 7.Qc2 Qd6 8.Nf3 e6 9.Be5 Qb6 10.Qc7 Bh6 11.Qb6 ab6 12.d4 Ra5 13.a4 1–0. Trokenheim – michael peirce, itsyourturn.com, 2000.

3.e4 fe4 4.c4 c6 5.Be2 Nf6 6.Bh5 g6 7.Be2 Bg7 8.Nc3 0–0 9.h3 d4 10.Na4 d3 11.Bf1 b5 12.cb5 cb5 13.Nc3 Qb6 14.Qb3 Be6 15.Qa3 Ng4 16.Ne4 Bb2 17.Qb2 Nf2 18.Nc5 Nh1 19.Bd3 Bd5 20.g4 a5 21.Qd4 Bg2 22.Rc1 ab4 23.Qb4 Qd6 24.Qb3 Bd5 25.Ne4 Qe6 26.Qb5 Nf2 27.a4 Nd3 28.Qd3 Ra4 29.Ne2 Re4 30.Qb5 Nc6 31.Rc6 Bc6 32.Qd3 Qa2 33.Qe4 Qa1 34.Nc1 Qc1 35.Ke2 Be4 36.d4 Rf1 37.h4 Qe1# 0–1. MacChess 4.0 – MacChess 4.0, 2000.

3.Nf3 Qd6 4.Be5 Qb4 5.Nc3 Qb2?? 6.Nd5+– Nd7 7.Bb2 (7...Rb8 8.Nc7 Kf7 9.e4+–) 1–0. Trkn – guest1310, ICC, 2004.

3.Nf3 Nd7 4.a3 Ngf6 5.e3 e6 6.c4 Bd6 7.cd5 ed5 8.Nc3 c6 9.d4 0–0 10.Bd3 Ne4 11.0–0 Ndf6 12.Ne5 Be5 13.de5 Nd7 14.Ne2 Qe8 15.f4 Qg6 16.Qe1 Nb6 17.Nc3 Be6 18.Rf3 Rad8 19.Rd1 h6 20.Ne4 fe4 21.Rg3 Qh5 22.Be2 Qf7 23.Qf1 Na4 24.Ba1 b6 (24...Ra8!?=) 25.Rc1+/– c5? (better is 25...Qb7+/–) 26.bc5?? (better is 26.Bb5+–) 26...bc5 27.Bd1 Qd7 28.Qa6 Nb6 29.Rc5 Nc4 30.Rc6 Bf7?? 31.Be2 Rb8 32.Bd4 Be8 33.Bc4 Qc6= 34.Qc6 Bc6 35.Be2 Rb1 36.Kf2 Rfb8 37.Rg6 Be8 38.Rd6 Bf7 39.Rd7 R8b7 (39...R8b7 40.Rd8 Kh7+–). Fournier,Frederic (1605) – ermasmalo (1795), Active, 2007.

3.g3 c6 4.Bg2 Nf6 5.a4 Qb6 6.Bf6 ef6 7.b5 Bc5 8.e3 d4 9.c4 cb5 10.ab5 Be6 11.Qc1 de3 12.fe3 Nd7 13.d4 Bd4 14.ed4 Qd4 15.Qc3 Qb6 16.Ra6 ba6 17.Ba8 Kf7 18.Bd5 Bd5 19.cd5 Re8 20.Kd1 Qb5 21.Nd2 Ne5 22.Nh3 Nd3 23.Qb3 Rd8 24.d6 Qb3 25.Nb3 Rd6 26.Kc2 g5 27.Rf1 Rd5 28.Ng1 f4 29.gf4 Nf4 30.Nf3 h5 31.Ra1 Rd3 32.Nbd2 g4 33.Ra4 Ne6 34.Ra6 gf3 35.Ra7 Kg6 36.Kd3 Kg5 37.Nf3 Kg4 38.Ng1 f5 39.Ra4 f4 40.Ke2 Nc5 41.Rc4 Ne6 42.Kf2 Ng5 43.h3 Kf5 44.Kg2 Ne4 45.Nf3 Ng3 46.Rc5 Ke4 47.Re5 Kd3 48.h4 Kc3 49.Rd5 Kc2 50.Rd4 1–0. Arno de Visser – Rietveld, 1992.

3.a4 Nf6

4.Ra3 e6 5.Rg3 Na6 =+.

4.Ra3 e6 5.h4 Bd6 6.h5 Bb4!? 7.Rb3 Bd6 –/+.

4.Ra3 e6 5.h4 Bd6 6.h5 c5 7.h6 g6 8.bc5 Bc5 9.Nf3? (better is 9.Rb3!?=+) 9...Ba3 10.Na3 0–0 11.Qa1 Nbd7 12.Ne5 b6 13.Nb5 Ba6?? (13...Ne5 14.Be5 a6 15.Nd6–+) 14.Nd6 (better is 14.Nc6 Bb5 15.Nd8 Be2 16.Bf6 (< 16.Ke2 Rad8 17.Bf6 Rf6+–; < 16.Be2 Rad8 17.a5 Ne4+–) 16...Rf6 17.Qa3+–) 14...Qe7 15.Nd7 Nd7 16.Nb5 Bb5 17.ab5 Qf7 18.e3 e5 19.Be5 Ne5 20.Qe5 Rfe8 21.Qd6 Rad8 22.Qa3 d4 23.Qa4 de3 24.fe3 f4?? 25.Bc4+– Re6 26.Rh3 Qd7 27.d3 Kf8? 28.Be6+– Qe6 29.Rf3 g5 30.g3 Re8 31.Qa7 Re7? 32.Qb8 Kf7 33.e4 Qh6 34.gf4 Qh1 35.Rf1 Qh4 36.Rf2 g4 37.Qd6?? g3= 38.Qd5 Kg7 39.Rg2?? Qf4 40.Qh5?? Rf7?? 41.Kd1?? Qf1–+ 42.Kd2 Qg2 43.Kc3 Qf3 44.Qg5–+ Kf8 45.Qd8= Kg7 46.Qg5 Kh8 47.Qd8 Rf8 48.Qd4 Qf6 49.Qf6 Rf6 50.e5 Re6 51.d4 g2 52.d5 Re5 53.d6 Rd5 54.d7 Rd7 55.Kb4 Rc7 56.c3 Rc3! 57.Kc3 g1Q 58.Kc4 Qc5 59.Kb3 Qb5 60.Ka3 Qc5 61.Ka2 b5 62.Ka1 b4 63.Ka2 Qc4 64.Ka1 b3 65.Kb1 Qc3 (65...Qc2 66.Ka1 Qc1) ½–½. xtom – sb01lzr (1660), kurnik, 2011.

4.Ra3 e6 5.h4 Bd6 6.h5 Nc6 7.b5 Ne7 (better is 7...Ba3!? 8.Na3 Nb8–/+) 8.h6=+ Ba3 9.Na3 gh6?? (better is 9...0–0 10.hg7 Kg7=+) 10.Bf6+– Rf8 11.Qa1 (11.Rh6 Rf6 12.Rh7 Qd6–/+) 11...Qd6 12.Nb1 Bd7 13.Rh6 0–0–0? 14.Rh7 Rde8 15.Nf3 c5 16.bc6! Bc6 17.Be5 Qb4 18.Nc3 d4 19.Nb5 Bb5 20.ab5 Qb5 21.e3 Qd5 22.Qa7 de3 23.fe3 Rh8 24.Qb8 Kd7 25.Qc7 1–0. xtom – sb01lzr (1625), kurnik, 2011.

3.e3 Nc6

4.b5 Na5 5.Qh5 g6 6.Qe2 Nf6 7.a4 Bg7 8.g3 0–0 9.Bg2 c6 10.Nc3 (10.Bd4!?=+) 10...Nc4–/+ 11.Ba3 (11.Rb1 Nb2 12.Rb2 Ne4 13.Be4 fe4–/+ (13...de4?! 14.bc6 bc6 15.Qc4 Kh8 16.Qc6=)) 11...Na3 (11...Ne4!? 12.Be4 Bc3 13.dc3 fe4 14.bc6 bc6 15.Bc5–+) 12.Ra3–/+ Qd6 13.Ra1 Be6 (13...Ne4 14.Ne4 fe4 15.c3–/+) 14.Nf3 (14.bc6 bc6 15.d4 Bd7=+) 14...Rfc8 (14...Ne4 15.Qd3–/+) 15.0–0 c5 (15...Ne4 16.bc6 Nc3 17.dc3 Rc6 18.Nd4–/+) 16.d3 b6 (16...Ne4 17.de4 fe4 18.Ng5 Bc3 19.Rad1=+) 17.a5 Kf7 (17...Bd7 18.Rfb1=) 18.ab6 ab6 19.Ra8 Ra8 20.Nb1 Bh6 21.Nfd2 Ra2 22.Rc1 Nd7 23.h4 Bg7=+ 24.h5 Ne5 25.hg6 hg6 26.Nc3 Ra8 27.f4 Nd7 28.Nf3?? Ra5 29.Ng5 Kf6?? 30.e4+– d4 31.e5 Qe5 32.fe5 Kg5 33.Qd2 Kh5 34.Bf3 1–0. erisonpassos – atanas52, kurnik, 2011.

4.b5 Nb8 5.c4 dc4 6.Bc4 Nf6 7.Bf6 gf6 8.Qh5 Kd7 9.Qf5 Ke8 10.Qh5 Kd7 11.Qd5 Ke8 12.Qf7 Kd7 13.Qd5 Ke8 14.Qf7 Kd7 15.Nf3 a6 16.Nc3 ab5 17.Nb5 Nc6 18.Be6# 1–0. marus1 – kelly844, internet, 2001.

3.Nf3 Nf6

4.a3 c6 5.Bd4 e6 6.d3 Nbd7 7.c4 Bd6 8.cd5 ed5 9.Qc1 0–0 10.Qg5 h6 11.Qh4 Qe7 12.Nbd2 Ne5 13.Be5 Be5 14.Ne5 Qe5 15.d4 Qe7 16.Nf3 a5 17.b5 cb5–/+ 18.Ne5 Be6 19.Qf4 Qc7 20.Qc1 Qb6 21.Qb2 b4 22.e3 Ne4 23.f3 Nc3 24.Nd3 f4 25.Nf4 Rf4 26.ef4 Qd4 27.Qd2 Qc5 28.ab4 Qb4 29.Rc1 d4 30.Bd3 a4 31.0–0 a3 32.f5 Bc4 33.Rb1+= Qc5 34.Rb7 Bd3 35.Qd3 a2 36.Ra1 Re8?? 37.f6+– Qe5 38.Rg7 Kf8 39.Rg8! Kf7 40.Qg6 Ke6 41.f7 Kd5 42.fe8Q+– Ne2 43.Kf2 (43...Qe3 44.Qe3 de3 45.Ke2 h5 46.Rd1 Kc5 47.Rb8 a1N 48.Qd6 Kc4 49.Qc6) 1–0. Trkn – guest3430, ICC, 2004.

4.a3 e6 5.e3 =.

4.e3 g6 5.a3 Bg7 6.d4 c6 7.c4 e6 8.cd5 ed5 9.Nc3 Ne4 10.Bd3 0–0 11.0–0 Nd7 12.Qc2 Ndf6 13.Ne5 Nd7 14.Nd7 (worse is 14.Ne4 fe4 15.Be2 Ne5 16.de5 Qg5–/+) 14...Bd7 15.f3 Nf6 16.Rae1 Qc7 17.e4 fe4 18.fe4 de4 19.Ne4 (19.Be4? A) 19...Ne4?! 20.Qb3 (worse is 20.Qe4 Bf5 21.Qe3 Qd6+=) 20...Kh8 21.Ne4=; B) 19...Ng4 20.Qb3 Kh8–+) 19...Ne4 20.Be4 Qb6 21.Qc4 Kh8 22.Rf8 Rf8 23.Bf3 Bf5 24.Re7 Qd8? (better is 24...Bf6 25.Rf7 Rf7 26.Qf7 Bd4 27.Kf1 h6 28.Bd4 Qd4 29.Qb7 Qa1 30.Kf2 Qb2 31.Ke1 Qa3 32.Bc6 Qe3 33.Kd1 Qd4 34.Ke2 g5 35.Qb8 Kg7=) 25.Rb7+– Qh4 26.Rg7! (26.Ra7?! Be4+/–; 26.Bc6? Be4 27.Rf7 Rf7 28.Qf7 Bc6–+) 26...Kg7?? (better is 26...Qe1 27.Qf1 Qf1 28.Kf1 Kg7+/–) 27.d5+– Kh6 (27...Qf6 28.Bf6 Rf6 29.dc6 Bc8+–) 28.Qh4 1–0. Fournier,Frederic – kaliman10 (1690), Owl21.com, 2008.

2...d6

3.a3 e5 (--> 1.b4 e5 2.Bb2 d6 3.a3 f5).

3.c4 Nc6 4.a3 d5 (4...e5 5.b5 Nce7 6.d4 ed4 7.Bd4=) 5.e3 Be6 6.b5 Na5 7.d3 dc4 8.Bc3 Nb3 9.Ra2 cd3 10.Qd3 (better is 10.Rb2!? Nc5 11.Bd4+=) 10...Qd3–+ 11.Bd3 Nc5 12.Rd2 0–0–0 (better is 12...Nd3!? 13.Rd3 Bc4–+) 13.Bc2+= Nh6 14.h3 Bc4 15.Rd8 Kd8 16.Nf3 (16.a4 a6 17.ba6 ba6–/+) 16...Bb5–+ 17.Kd2 e6 18.Nd4 Ba4?? (better is 18...Bc4–+) 19.Ba4= Na4 20.Ne6 Kd7? 21.Nd4?? Nc3–/+ 22.Kc3 g5 23.Rd1 Bg7 24.Kc4 Kc8 25.Ne6 Bf6 26.Rd3 Nf7 27.f3? Ne5 28.Kd4 Nd3 29.Kd3 b6 30.g4 fg4 31.hg4 Re8 32.Nd4 Bd4 33.Kd4 c5 34.Kd3 Kc7 35.Nc3 Kc6 36.Ne4 h6 37.Ng3 c4! 38.Kc4 Re3 39.Nf5 Rf3 40.Nh6?? Ra3–+ 41.Kd4 b5 0–1. Muehlberger,Ottmar – Teslin,Sergej, Regensburg op, 2004.

3.c4 Bd7 4.e3 Nc6 (4...e5 5.d4=) 5.a3 (5.b5 Ne5+=) 5...e5= 6.Nf3 Nf6 7.Be2 Be7 8.d3 Be6 (8...e4 9.b5 ef3 10.bc6 fe2 11.cd7 Qd7 12.Qe2=) 9.0–0 0–0 10.Nbd2 e4 (10...Bd7 11.b5 Nb8 12.Qb3+=) 11.de4 (11.Ng5 Bd7+/–) 11...fe4 (11...Ne4 12.Ne4 fe4+/–) 12.Nd4 (better is 12.Ng5!? Qd7 13.Nde4+/–) 12...Nd4= 13.Bd4 c5 (13...a5 14.f3=) 14.Bc3 (14.Bf6 Bf6 15.Rb1 Be5+=) 14...cb4 (14...d5 15.bc5 Bc5 16.Qb3=) 15.ab4 b6 (15...d5 16.c5=) 16.Qc2 (better is 16.f3+=) 16...a5? (better is 16...d5!?=) 17.ba5 ba5 18.Ne4 Ne4 (18...Bf5!? 19.Nf6 Bf6 20.Qf5 Bc3 21.Qd5 Kh8+/–) 19.Qe4+– a4?? (better is 19...Qd7+–) 20.Qe6 Kh8 21.Rfd1 Qc8 (21...Qe8+–) 22.Qe7 Re8 (22...Rg8+–) 23.Qg7 1–0. Fournier,Frederic (1900) – kire (1705), Active, 2004.

3.c4 Nd7 4.e3 Ngf6 5.Nf3 g6 6.Ng5 Ne5 7.c5 Bd7 8.Be5+/– de5 9.Qb3 e6 10.Ne6 Be6 11.Qe6 Qe7 12.Bb5 Kd8 13.Qe7 Be7+= 14.Nc3 c6 15.Bc4 =. hal1958 – Mangen, playchess.de, 2002.

3.c4 Nf6 4.e3 g6 (4...e5 5.d4=) 5.Nf3 (5.Bf6 ef6 6.d4 Nc6+=) 5...Bg7 (5...e5 6.Be2=) 6.Be2 0–0 7.0–0 e5 8.d3 Nc6 9.Nbd2 (9.b5 Ne7=) 9...Bd7 (better is 9...Nb4!? 10.Qb3 c5–/+) 10.a3= Qe8 11.Qc2 a6 12.Rfe1 Kh8 13.Rad1 Ne7 (13...h6 14.Nb3+=) 14.d4 (14.Nb3 Nc6+=) 14...e4= 15.Nh4?? (better is 15.Ng5=) 15...Ba4 16.Nb3 Rc8 (better is 16...g5–+) 17.g3+= Qd7 18.Ng2 Qe6 (18...b5!?=) 19.Nf4+= Qd7 20.d5 Bb3 21.Qb3 Rce8 22.Ne6 Rf7 23.c5 Ng4? (better is 23...Kg8!?+/–) 24.Bg4 fg4 25.Ng7 Rg7 26.Qc3 (26.Qc4 Nf5+–) 26...Nf5 27.Qf6 (27.Qc2 Kg8 28.Bg7 Kg7+–) 27...Qe7 (better is 27...Kg8!?+=) 28.Qe7 Ree7 29.cd6 cd6 30.Rc1 Rc7?? (better is 30...h6+–) 31.Rc7 (31.Rc7 h5 32.Rb7+–) 1–0. Fournier,Frederic (1790) – benaya (1690), Active, 2005.

3.e3= e6 4.c4 (4.Nf3 Nf6=) 4...Nf6 5.Nf3 Be7 6.Nc3 (6.Be2 e5=) 6...0–0 (6...e5 7.Be2=) 7.Qb3 (7.d4 d5 8.a3 c6=) 7...Kh8 (7...e5 8.c5 Kh8 9.cd6 cd6 10.Rc1=) 8.d4+= Qe8 (8...a5 9.b5+=) 9.Be2 (9.Bd3 Qg6 10.0–0 a5+=) 9...Nbd7 (9...a5 10.b5+=) 10.c5 d5 11.b5 Ne4 12.g3 (12.0–0 a6+=) 12...Bf6 (12...a6 13.Rc1=) 13.Ng1 (13.Rc1 c6=) 13...g5 (13...a6 14.Qa3+=) 14.f3 Nc3 15.Bc3 c6 (15...a6 16.ba6 ba6 17.Rc1=) 16.f4+= Rg8 17.Nf3 h6 (17...g4 18.Ne5+=) 18.a4 (18.Ne5 cb5 19.Bb5 b6+/–) 18…Rg7 (18...g4 19.Ne5+/–) ½–½. Ree,Hans – Pedersen,Svend, WchTJ U26 fin–A, 1965.

3.e3 Be6 4.Qh5+= g6 5.Qd1 Nf6= 6.b5 Bg7 7.Nf3 d5 8.Be2 c5 9.c4 dc4 10.Nc3 b6 11.0–0 Nbd7 12.Qa4+= Bd5?? 13.d3 Bf3 14.Bf3+/– Rb8 15.dc4 Ng4? 16.Qc2 0–0 17.Nd5 e6 18.Bg7+/– Kg7 19.Nf4 e5?? 20.Ne6+– Kf6 21.Nd8 Rbd8 22.Qe2 Nh6 23.Bd5 e4 24.f3 Kg7 25.fe4 fe4 26.Be4 Ne5 27.Qb2 Rf1 28.Rf1 Re8 29.Bd5 Nf5 30.Bc6 Re7 31.e4 Nd4 32.a4 Nd3 33.Qd2 Nb4 34.Qf4 Ne2+= 35.Kh1 Nf4 36.Rf4 Nd3 37.Rf3 Nb2 38.a5 Nc4=+ 39.ab6 ab6 40.h3 Nd2 41.Rd3= (41.Rd3 Ne4 42.Be4 Re4 43.Rd6=). stoker – MEK, caissa.com, 2005.

3.e4 Nf6 4.ef5 Bf5 5.Nf3 Nbd7 6.Nc3 e5 7.Be2 Be7 8.0–0. pcmvr (2845) – alexp (2230), net–chess.com, 2011.

3.f4 b6 4.e3 Bb7 5.Nf3 c5 6.b5 a6 7.Ng5 Nf6 8.c4 (8.ba6 Ba6 (8...Na6?? 9.Bb5 Qd7 10.Bd7 Kd7 11.0–0+–) 9.Bf6 ef6 10.Qh5 g6+=) 8...ab5= 9.cb5 Nbd7 10.Bc4 d5 11.Be2 g6 12.0–0 Qb8 13.g4 e5 14.gf5 gf5 (better is 14...Rg8!? 15.fe5 Ne5=) 15.Bh5 Ke7 16.fe5 Ne5 17.Rf5 Neg4?? (17...Nfd7 18.Qf1 Rg8 19.Be5 Rg5 (19...Ne5?? 20.Rf7 Nf7 21.Qf7 Kd6 22.Qg8+–) 20.Rg5 Ne5+–) 18.Bg4 Ng4 (18...d4 19.ed4 Ng4 20.Qg4+–) 19.Qg4 Rg8 (19...Kd8+–) 20.Rf7 (20.Rf7 Ke8 21.Qd7#) 1–0. Thielemann,Joachim (1835) – Farin,Friedrich, Wch Seniors, 2003.

3.c4 e5

4.e3 Nf6 5.Nc3 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Nc3).

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

3.d4 Nf6

4.Nd2 Nc6 5.b5 Na5 6.e3 b6 7.Nc4 Bb7 (7...Nc4!? 8.Bc4 d5=) 8.Na5+/– ba5 9.Nf3 e6 10.c4 Ne4 11.Bd3 Be7 12.Be4 fe4 13.Nd2 0–0 14.0–0 Bf6 15.Rb1 Qd7 16.f3 (better is 16.Qg4+/–) 16...ef3= 17.Nf3 Be4 18.Rc1 a6 19.a4 ab5 20.cb5 Rfb8 21.Nd2 Bd3 22.Rf2 c6 (22...Bh4!? 23.g3 Bf6+=) 23.Rc6+/– Bb5 (better is 23...Bh4!? 24.Rf3 Bf5+/–) 24.ab5+– Rb5 25.Rc2 Bg5 26.Nf1 Rab8 27.Qf3 Rf5 28.Qe2 Rfb5 29.Bc1 Qb7 30.Qg4 Qe7 31.g3 a4 32.d5! Rd5 (32...Rd5 33.Qa4 Discovered attack; 32...ed5 33.Qa4 Discovered attack (33.Rc8 Decoy)) 33.Qa4 Rdb5 34.Qa6 Qd8 35.Qa7 R8b7 36.Qd4 Rb4 37.Qd3 Bf6 38.Kg2 Rb3 39.Qc4 d5 40.Qc8 Rd7 41.Qd8 Rd8 42.h4 Rc3 43.Rc3 Bc3 44.Bb2 d4? (44...Bb4 45.Be5+–) 45.ed4 (45.Bc3!? dc3 46.Rc2 Rd3+–) 45...Bd4 46.Bd4 Rd4 47.Rd2 Rd2 48.Nd2 Kf7 49.Kf3 Kf6 50.Ke4 g5 51.h5 h6 52.g4 Ke7 53.Ke5 Kf7 54.Ne4 (54.Ne4 Ke7 55.Nc5+–) 1–0. Mansor,Tarek – Nees,Manfred, Baden–ch op U1600, 2009.

4.Nf3 a5 5.b5 c6 6.e3 b6 7.a4 e6 8.Bd3 Bb7 9.0–0 c5 10.c4 Nbd7 11.Nbd2 Bf3 12.Nf3 Be7 13.Ng5 Nf8 14.Qf3 Rc8? 15.dc5 dc5 16.Rad1 Qc7 17.e4 h6?? 18.Nh3 g6 19.ef5+– gf5 20.Rfe1 Kf7 21.Be5 Qa7 22.Nf4 Rg8 23.Nh5 Ng4?? 24.Bg3 Ng6?? 25.h3 Nf6 26.Nf6 Bf6 27.Qh5 Rg7? 28.Bc2 Rcg8? 29.Rd6 (29.Rd6 Qe7 30.Bf5 Qd6 31.Bg6 Rg6 32.Bd6+–; 29.Qh6 Bc3 30.Re6 Ke6 31.Rd6 Ke7 32.Qe3 Kf8 33.Qc3 Ke8 34.Bf5 Ne7+–) 1–0. bratek55 (1735) – vrg74, kurnik, 2011.

3.e3 Nd7

4.Bc4 Ngf6= 5.Be6 (better is 5.Nh3 Nb6 6.Bb3+=) 5...b6?? (better is 5...Nb6 6.Bc8 Rc8=) 6.Qf3+– Rb8 7.Qf5 g6 8.Qb5 Bg7 (8...a6 9.Qc4 Ne5 10.Be5 Be6 11.Qe6 de5 12.Qe5+–) 9.Nf3 a6 10.Qc4 b5 11.Qb3 Rf8?? (better is 11...Nb6 12.Ng5 Na4+–) 12.Ng5 h6 (12...d5 13.Bd5 Ne5 14.Be5 Qd5 15.Qd5 Nd5 16.Bg7 Rf5+–) 13.Bf7 (13.Bf7 Rf7 14.Qf7) 1–0. aspasio – PLAY_MATE, ICC, 1999.

4.Qf3 Ndf6 =.

4.Nf3 e5 5.Be2 =.

4.Nf3 Ngf6 5.Be2 e5= 6.d4 e4 7.Nfd2 d5 8.b5 Bd6 9.c4 c6 10.c5 Be7 11.a4 Nf8 12.0–0 Ne6 13.Nc3 0–0 14.Qb3 Bd7 15.f4 Qe8 16.b6 a6 17.a5 Kh8 18.Kh1 Qg6 19.Rf2 Nd8 20.Rg1 h5 21.Nf1 Nf7 22.g3 Ng4 23.Bg4 Qg4 24.Qd1 Nh6 25.Qg4 Ng4 26.Rfg2 Kg8 27.h3 Nf6 28.Rh2 Kf7 29.Kg2 Rh8 30.Kf2 Rh7 31.Rhg2 Rah8 32.Nh2 Rh6 (32...Ke8 33.h4–/+) ½–½. Plock,Joerg – Boehm,Thomas, Tierpark op 1st, 1997.

4.Nf3 Ngf6 5.Be2 h6 6.Nd4 Ne5 7.f4 Nf7 8.Bh5 (8.Bb5 Bd7+=) 8...Nh5 9.Qh5 Rg8 10.Qg6 (worse is 10.Nf5 g6 11.Nd6 Qd6–+) 10...Qd7 11.0–0 e6 12.Nc3 Kd8 13.e4 Nh8 14.Qg3 g5 15.ef5 ef5 16.Rae1 Qg7? (16...Qf7 17.fg5 Rg5 18.Qf2+/–) 17.Qd3?? (better is 17.Nd5 Qg6 18.Nf6+–) 17...g4?? (17...gf4 18.Rf2 Ng6 19.Nd5+=) 18.Re3 (18.Nd5 Qg6 19.Nf6 c6+–) 18...Ng6? (18...Qf7 19.Rfe1 Ng6 20.Ne6 Be6 21.Re6+–) 19.g3 (19.Nd5 Qf7 20.Nb5 g3 21.Bf6 Be7 22.Re7 gh2 23.Kh2 Ne7 24.Be7 Kd7 25.Nbc7 a6+–) 19...h5?? (better is 19...Qf7!?+=) 20.Rfe1 (better is 20.Nd5 Qf7 21.Nb5+–) 20...h4?? (20...Qf7 21.Nf5! Bf5 22.Re8 Qe8 23.Re8 Ke8 24.Qf5 c6 25.Qe6 Ne7+–) 21.Nce2 h3?? 22.c4 c6?? 23.Nc3 Bd7? 24.Ne6 Kc8?? 25.Ng5 Qf6?? 26.Re8! Be8 27.Re8 Kd7 28.Ra8 Qe7 29.Qf5 Kc7 30.Rc8 (30.Rc8 Kb6 31.Qa5) 1–0. Bajorski,Leszek – Pruefert,Franziska, Korbach op–B 2nd, 2008.

3.e3 e5

4.c4 Nf6 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6).

4.c4 Nf6 5.Be2 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.Be2).

4.Bd3 g6 5.c4 Bg7 6.Be2 Ne7 7.Nf3 0–0 8.0–0 Nec6 9.b5 Na5 10.d3 c5 11.Nc3 e4? (better is 11...Be6=) 12.de4+– fe4 13.Nd2 (better is 13.Qd5!? Kh8 14.Ng5+–) 13...Bf5+/– 14.Rb1 Qg5 (14...Qh4!?+/–) 15.Nce4 Be4? (better is 15...Qe7 16.Bg7 Kg7+–) 16.Ne4 Qh4 17.Bg7 Kg7 18.Ng3 (18.Nd6 Qe7+–) 18...Rf6 (18...Nc4 19.Rc1 Nb6 20.Qd6+–) 19.Bf3 (better is 19.f4!? Re6+–) 19...Nd7 20.Rc1 Raf8 21.Ne4 Ne5? (21...Rf3 22.gf3 Ne5=) 22.Nf6+– Rf6 23.Bd5 Nac4 24.Bc4 Nc4 25.Qd5 Ne5 26.g3 Qh3 27.Qg2?? Qh6? 28.Qb7+– Rf7 29.Qg2 Qh5 30.Rfd1 Nf3 31.Kh1 Rf6 32.a4 Ne5 33.a5 c4 34.b6 ab6 35.ab6 Nd3 36.Rd3! cd3 37.b7 d2 38.Rc7?? Kh6 39.Qg1 Qf3 40.Qg2 d1Q 0–1. fjanusz52 – stefchiritoiu, internet, 2013.

3.e3 Nf6

4.d4 Nc6 5.b5 Nb8 6.Nc3+/– a6 7.Nf3 ab5 8.Bb5 c6 9.Bd3 Qb6 10.Rb1 Qa5 11.0–0 Be6 12.Re1 Nbd7 13.Ng5 Bg8 14.Qf3 g6 15.e4 h6 16.Nh3 fe4 17.Ne4+– Ne4 18.Be4 Ba2 19.Bc3 Qh5?! 20.g4 Qh4 21.Rb7 d5 22.Bg6 Kd8 23.Qf5 Nf6 24.Rb8!! Kc7 25.Qc8 Kd6 26.Re6 1–0. usingprogram (2050) – stupcat (1690), kurnik, 2011.

4.Nf3 g6 5.Be2 Bg7 6.0–0 0–0 7.d4 c6 8.c4 e6 9.a4 d5 10.Nc3 a6 11.Qb3 Ne4 12.Rfd1 Nd7 13.Nd2 Nc3 14.Bc3 Nf6 15.f3 h5 16.Rac1 Bd7 17.cd5 ed5 18.Bd3 Kh7 19.e4 de4 20.fe4 fe4 21.Ne4 Ne4 22.Be4 Bf5 23.Qc2 Qg5 24.Bd2 Qg4 25.Bf5 Rf5 26.Bc3 Qf4 27.Rf1 Qg5 28.h3 Raf8 29.Rf5 Qf5 30.Qe2 Bh6 31.Rf1?? Qc8 32.Qe7= Kg8 33.Re1 Qf5 34.Qb7 Qf2 35.Kh1+= Bd2 36.Bd2 Qd2 37.Rg1 Qd4 38.Qc6 Rf6 39.Qc8 Kg7 40.Qb7 Kh6 0–1. elsh1403 – savaludaglava, kurnik, 2011.

4.Nf3 g6 5.Bf6 ef6 6.c4 a6 (6...Nd7 7.d4+=) 7.d4+= Nc6 8.Bd3 Nb4 (8...d5 9.a3+=) 9.Qa4+/– Nc6 10.d5 Bd7 (10...b5!? 11.cb5 Ne5 12.ba6 Kf7 13.Ne5 de5+/–) 11.dc6+/– Bc6 12.Qb3 Be7 (12...Bf3 13.gf3 Rb8 14.Nc3+–) 13.Nc3 Qd7 (13...Bf3 14.gf3 Ra7 15.0–0+–) 14.Nd5 Ba4? (better is 14...a5+–) 15.Qb7 0–0 16.Qc7 Qc7 17.Nc7 Rab8 (17...Ra7 18.Nd5+–) 18.Na6 Rb3 (18...Rb2+–) 19.ab3 Bb3 20.Nd4 1–0. Fournier,Frederic (2395) – Mrellis419, chessworld.net, 2009.

3.Nf3 e5

(--> 1.b4 e5 2.Bb2 d6 3.Nf3 f5).

4.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.Nf3).

3.Nf3 Nf6

4.e3 Nc6 5.a3 (5.b5 Na5+=) 5...e5= 6.d3 e4 7.de4 fe4 8.Nd4 Nd4 9.Bd4 d5 (9...Be7 10.Nc3=) 10.c4 c6 (10...a5 11.Nc3 ab4 12.ab4 Ra1 13.Qa1=) 11.Nd2 (11.cd5 cd5 (worse is 11...Nd5 12.Qh5 Kd7 13.Nc3+–) 12.Nc3 Be6+=) 11...dc4 (11...Be6 12.cd5 Bd5 13.Bc4=) 12.Bc4+= b5 (12...Bf5 13.0–0+=) 13.Be2 Nd5? (13...a5 14.Qc2 ab4 15.Ne4 Ng4+–) 14.Ne4 Bf5 (14...Rg8 15.Qc2 Bd7 16.Nc3+–) 15.Ng3 (better is 15.Bh5 Ke7 16.Ng3+–) 15...Qg5?? (15...Bg6 16.Bh5+–) 16.Bf3 (better is 16.h4 Qe7 17.Nf5+–) 16...Be6 (16...Bg6 17.Rc1 Rc8 18.Ba7+–) 17.Rc1 Rc8 18.0–0 Rg8 19.e4 Nf4 20.Be3 Rd8 21.Qc2 Qf6?? 22.Qc6 Bd7 23.Qf6 gf6 24.Bf4 Bg4 25.Bg4 Rg4 26.Bc7 Rd3 27.Ra1 Rc3 28.Ba5 Bd6 29.Rfe1 Bg3 30.hg3 Rg6 31.e5 1–0. Fournier,Frederic – BeGGinerUser, Active, 2007.

4.e3 e5 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.Nf3 Nf6).

3.f4 e6

4.Nf3 Nf6 5.e3 b6 6.Be2+= Be7 7.0–0 0–0 8.c4 (8.Nc3 c6+=) 8...Bb7 9.d4 Nbd7 10.Ng5 Qe8? (better is 10...e5!?+=) 11.Ne6+– Bd8 (11...Qg6 12.d5 Rfe8 13.Nc7+–) 12.d5 Rf7 13.Qd3 b5 (13...Nf8 A) 14.Qf5 Nd5 15.Qe4 Nf4 (15...Qe6 16.Qe6 Ne6 17.cd5 Bd5 18.Nc3+=) 16.Qf4 Rf4 (16...Qe6?! 17.Qf7 Qf7 18.Rf7 Kf7 19.Nc3=) 17.Nf4 Qe3 18.Rf2 Bh4–+; B) 14.Nd8 Rd8 15.b5+– (15.Qf5? Qe3 16.Rf2 Ne4 17.Qe4 Qe4–+)) 14.Nc3 ½–½. Labahn,Wolfgang – Sicker,R, Paderborn, 1990.

4.Nf3 Nf6 5.e3 Be7 6.Bb5 Bd7 7.Bd7 Nbd7 8.0–0 =.

4.Nf3 Nf6 5.e3 Be7 6.Be2 0–0 7.0–0 Qe8 8.c4 Nc6 9.Qb3 Kh8 10.Na3 Bd8 11.Qc3 Qg6 12.Bd3 (12.b5 Ne7+=) 12...a5 (12...Ne4 13.Be4 fe4 14.Ng5–/+) 13.ba5 Na5 14.Nb5 Nc6 15.a3 b6 16.Ne1 Bb7 17.Rf3 Nh5 18.Rh3 e5 19.Be2 Nf6 20.fe5 Ne5 21.Nd4 Ne4 22.Qc2 Ng4 23.Nd3 Bg5 24.Nf3 (24.Bf3 Rfe8=) 24...Rae8 (better is 24...Be3!? 25.de3 Ne3+/–) 25.Ng5= Ng5 26.Rg3 Be4 27.Qc3 Bd3 28.Bd3 Qh6 29.h3 Ne5 30.Rf1 Qh4 31.Kh2 f4 32.ef4 Rf4 33.Re1?? (better is 33.Rf4 Qf4 34.Bc2–/+) 33...Rf3!! 34.Rg5 (34.gf3 Nef3 Double attack; 34.Rf3 Nef3 Mate attack) 34...Qg5 (better is 34...Rh3! 35.gh3 Nf3 36.Kg2 Ne1 37.Kh1 Qg5 38.Bf1–+) 35.Re5 (35.Kh1 Qg3 36.Qc1 Rd3 37.Bc3–+) 35…Qg3 (35...Qg3 36.Kh1 Re5 37.Qe5 de5 38.gf3 Qf3 39.Kg1 Qg3 40.Kh1 Qe1 41.Kh2 Qd2 42.Kg1 Qd3 43.Be5 Qe3 44.Kg2 Qe2 45.Kg3 Qe5 46.Kf3 Qc3 47.Kg2 Qc4–+) 0–1. Kovacevic,Bozo (1920) – Milicevic,Pr2 (2155), Obrenovac SER, 2012.

2...e6

3.a3 b6 4.e4 fe4 5.Qh5 Ke7 6.Qh4 Nf6 7.Bf6 gf6 8.Qe4 d5 (8...Nc6 9.Nf3 f5 10.Qh4 Kf7 11.Qh5 Kg7 12.Nc3=) 9.Qe2 (9.Qh4 a5 10.b5 Qd6=) 9...Qd6 (9...a5 10.b5 f5 11.c4+=) 10.Nf3 (10.Nc3 a5 11.b5 Bb7+=) 10...Bb7 11.g3 Nd7 (11...a5 12.b5+=) 12.Bg2 a5 13.ba5 (13.Nc3 ab4 14.Nb5 Qc5=) 13...Ra5+= (worse is 13...ba5 14.0–0=) 14.d4 (14.0–0 Bg7 15.Re1 d4+=) 14...Kd8 (14...Ba6 15.Qe3 h5 16.Nh4–/+) 15.a4 (15.Qe3 h5+=) 15...Bh6 (15...Ba6 16.Qd2 Qb4–/+) 16.Nh4 (better is 16.Qd1!?–/+) 16...Ba6–+ 17.Qd1?? (17.Qf3–+) 17...Qb4 18.c3 Qb2 (18...Qb2 19.Ra3 Bc4–+) 0–1. Fredericks,Douglas R – Jones,William A, corr USA, 1988.

3.a3 d6 4.d4 Nf6 5.e3 Be7 6.Nf3 0–0 7.c4 c6 8.Bd3 Ne4 9.Nc3 d5 10.cd5 ed5 11.0–0 a5 12.Qb3 ab4 13.ab4 Ra1 14.Ra1 Nd7 15.b5 Nb6 16.bc6 bc6 17.Ba3 Ba3 18.Ra3 Nd7? (18...c5!? 19.dc5 Nc5=) 19.Ra1 (19.Ne4!? fe4 20.Be4+–) 19...Ndf6 20.Rb1 Bd7 21.g3 Ng4 22.Be4 (better is 22.Nd1+=) 22...fe4–/+ 23.Ne5 Nf2?? (23...Ne5 24.de5 Qg5–+) 24.Kg2?? (better is 24.Nd5!? Nh3 25.Kg2+/–) 24...Bg4?? (24...Qf6 25.Ne2 Bh3 26.Kg1–+) 25.Ng4? (25.Qb7 Bh3 26.Kg1–+) 25...Ng4–+ 26.h3 (26.Ne4 Qe7 27.Nc5–+) 26…Ne3 (26...Ne3 27.Kg1 Qf6–+) 0–1. Fournier,Frederic – Guest3907234, Partie amicale, 1m + 0s, 2008.

3.a3 Nh6 4.e3+= Nf7 5.Nf3 h6 (5...Nc6 6.Bb5+=) 6.Ne5 Ne5 7.Be5 d6 (7...Rg8 8.Nc3+=) 8.Bb2 (8.Qh5 Ke7 9.Bd4 e5+=) 8...a6 (8...Qg5 9.Bd4+=) 9.Qh5+/– Kd7 10.Nc3 Nc6 11.b5 ab5 12.Bb5 Qe7 13.0–0 Kd8 14.Bc6 bc6 15.d4 (15.e4 fe4 16.Ne4 Ra4+=) 15...Ra5 (15...Qg5 16.Qg5 hg5 17.e4=) 16.e4 (16.Rfb1 Qg5 17.Qg5 hg5+=) 16...Bd7 (16...Qf6 17.Rfd1+=) 17.Rfb1 Be8 (17...Qg5 18.Qf7+=) 18.Qe2 fe4 (18...Bg6 19.f4+/–) 19.Ne4 Rd5 (19...Bh5 20.f3+/–) 20.Qa6 (20.c4 Ra5+/–) 20...Qd7 (20...Bg6 21.c4 Be4 22.Qa8 (worse is 22.cd5 Qg5 23.Qa8 Ke7+=) 22...Kd7 23.cd5 Bd5 24.Qa5+/–) 21.Bc3 (21.c4 Rf5+/–) 21...Bg6 22.Rb8 Ke7 23.Qe2 Be4 (23...Kf7 24.Rab1+/–) 24.Qe4 Rg8 (24...Rb5 25.Rb1+/–) 25.Qh7 Kf7 26.Re1 (26.Rab1 Rb5+/–) 26...c5 27.Re3 cd4 28.Rf3 Rf5 Black gets strong initiative 29.Rf5 ef5 30.Bd4 Qe6 31.h3 Ke7 32.a4 Kd7 33.a5 d5 34.Qg8?? Qg8–/+ 35.a6 Qe6–+ 36.a7?? Qe1–/+ 37.Kh2 Bd6 38.g3 Bg3 39.Kg3 Qg1 40.Kf4 Qg5 41.Kf3+– Qh5 42.Ke3 Qh3 43.Kd2 (43.Kd2 c5 44.a8Q cd4 45.Qd5 Ke7 46.Rb7 Kf6 47.Qd6 Kg5 48.Rg7 Kh5 49.Qg6 Kh4 50.Qh6) 1–0. Wall,Bill – MadChef, internet, 2003.

3.a4 Nf6 4.Ra3 d5 5.Rg3 g6 6.Na3 Bd6 7.Qa1 0–0 8.Nf3 Bg3 9.hg3 Nbd7 10.c4 c6 11.e3 e5 12.Ne5 Qe7 13.Nf3 a6 14.Be2 b5 15.a5?? bc4 16.Bc3 Rb8 17.Nc2 Ne4 18.Ncd4 Qd6 19.Rh4 Nc3 20.Qc3? Nf6 21.Ng5? Ne4 22.Qb2?? Ng5 23.f4 Ne4 24.g4 Ng3 25.gf5 Bf5 26.Bg4 Bg4 27.Rg4 Nf5 28.g3 Rb4 29.Qc3 Rb1 30.Ke2 Nd4 31.Qd4 c5 32.Qc3 Qe6 33.Rg5 d4 34.Qa3 Qe4 35.Qc5 d3 36.Kf2–+ Rb5 0–1. xtom (1640) – zbyti, kurnik, 2011.

3.b5 b6 4.e3 Nf6 5.c4 (5.Be2 a6=) 5...Bb7 6.f4 (6.Nf3 a6=) 6...Be7 7.Nf3 c5 (7...0–0 8.Be2=) 8.a4 0–0 9.Nc3 d6 10.Bd3 Ne4 11.0–0 Nd7 12.Bc2 Bf6 13.d4 cd4 (13...a6 14.Qe2+=) 14.Ne4= fe4 15.Nd4 Nc5 16.Ba3 Qd7 17.Qg4 e5 (17...Rac8!?=) 18.Qd7+= Nd7 19.Ne6 Rac8? (better is 19...Rfc8 20.Rad1 ef4 21.Nf4 Ne5+=) 20.Nf8+– ef4?? (better is 20...Nf8 21.fe5 Be5+–) 21.Nd7 Ba1 22.Ra1 Rd8 23.Bb3 (23.ef4 Rd7 24.Re1 d5 25.cd5 Bd5+–) 23...Kh8 24.Nb6 ab6 25.Kf2 (25.Kf2 fe3 26.Ke3+–) 1–0. Hind,Alan – Cumming,David R, corr 2nd Scottish Op, 1991.

3.b5 c6 4.e3 Nf6 5.Nf3 d5 6.c4 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.Nf3).

3.b5 d5 4.e3 Nf6 5.Nf3 Bd6 6.c4 c6 7.a4 a6 8.Qc2 0–0 9.Be2 Ng4 10.h3 Nf6 11.Ne5 Nbd7 12.Nd7 Bd7 13.cd5 ed5 14.bc6 Bc6 15.Nc3 Ne4 16.Ne4 fe4=+ 17.Qc3 Qe7 18.f3 Bg3 19.Kf1 ef3 20.gf3 Rae8?? 21.Rg1 Qc7?? 22.Rg2?? d4 23.Qd4 Be5–/+ 24.Qb4 Bb2 25.Qb2 Bf3 26.Bf3 Rf3 27.Ke2 Ref8 28.Rag1=+ Qc4?? 29.Ke1?? Rf1 30.Rf1 Qf1# (30...Rf1#) 0–1. Irene2004 – paradox, Caissa.com, 2004.

3.c4 b6 4.e3 Nf6 5.b5 Bb7 6.Nf3 Be7 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 b6 6.Nf3 Bb7).

3.c4 c6 4.e3 d5 5.Nf3 Bb4?? 6.Bg7+– Nf6 7.Bh8 Kf7 8.Ne5 Kg8 9.Bf6 Qf6 10.f4 Nd7 11.a3 Ba5 12.Nc3 Ne5 13.fe5 Qe5 14.cd5 cd5 15.Rc1 Bd7?! 16.Be2 d4 17.ed4 Qd4 18.Qb3 Re8 19.Qb7 Bb6 20.Qf3 e5 21.Rf1 e4 22.Qg3 Kh8 23.Qe3! Qf6 24.Qf4 Rg8 25.Nd5 Qe6 26.Nb6 ab6 27.Bc4 Qc6 28.Qe5 Rg7 29.Rf5 h6 30.Rf7 Qg6+– 31.Rd7 Qg2 32.Qg7 Qg7+– 33.Rg7 Kg7 1–0. ludice (1830) – leka67 (1755), kurnik, 2011.

3.c4 d6 4.e3 Nf6 5.Nf3 Be7 6.Nc3 0–0 7.d4 c6 8.Bd3 d5 9.c5 Ne4 10.–0 Nd7 11.a4 Ndf6 12.b5 Nc3 13.Bc3 Ne4 14.Bb4 Qe8 15.Ne5 Bf6 16.Nf3 g5 17.Ne1 g4 18.f3 gf3 19.Nf3 Bd7 20.Nd2 Qg6 21.Be2 Bg5 22.Rf3 Kh8 23.Ne4 fe4 24.Rg3 Qf6 25.Qf1 Qe7 26.Qd1 Bh4 27.Rh3 Bf2 28.Kh1 Qg5 29.Bd2 Rg8 30.Bf1 e5 31.Rh5 Qg6 32.Re5 Bg4 33.Qc2 Bf3 0–1. purplegadge (1645) – abbmate (1685), gameknot.com, 2012.

3.e3 a6 4.c4 c6 5.a4 Nf6 6.b5 d5 7.d4 (7.Nc3 Bd6=) 7...ab5+= 8.ab5 Ra1 9.Ba1 Nbd7 (9...Bb4 10.Bc3 Bc3 11.Nc3+=) 10.Nf3 Ne4 11.Be2 (better is 11.Qb3!?+=) 11...Bb4 12.Nfd2 Qa5 13.Bb2 Nb6 14.f3?? (better is 14.cd5 cd5 15.Bc1–/+) 14...Nd2–+ 15.Nd2 Nc4 (15...Nc4 16.Bc1 Ne3–+) 0–1. Sternik,Ryszard – Swinarski,Henryk, corr Poland, 1985.

3.e3 d6 4.a3 Be7 5.c4 Nf6 6.Nf3 0–0 7.Be2 e5 8.0–0 Be6 9.d4+= Nbd7 10.d5 Bf7+= 11.Ng5 Nh5?? 12.Nf7+– Rf7 13.Bh5 g6 14.Be2 h5 15.Bh5 gh5 16.Qh5 Rh7 17.Qg6 Rg7 18.Qf5 Nf8 19.Qe4 Bf6 20.Nd2 Qe7 21.Nf3 Rc8 22.g3 c6 23.a4 Nd7 24.dc6 bc6 25.c5 dc5 26.Rad1 cb4+/– 27.Rd7 Qd7= 28.Ne5 Be5 29.Be5 Qd5? 30.Qd5+– cd5 31.Bg7 Rc4?? 32.Bb2 Rc2 33.Rb1 b3 34.Bd4 b2 35.Rb2 Rb2 36.Bb2 Kf7 37.Bd4 Ke7 38.h3 (38...a6 39.h4+–; 38.Ba7 Kf7+–) 1–0. Slavisa666 – cumalotforme, Live Game Caissa's Web, 2004.

3.e3 Qe7 4.a3 d6 5.Nf3 e5 6.Be2 h6 7.0–0 g5 8.d3 g4 9.Ne1 h5 10.g3 Bg7 11.Ng2= h4 12.Nh4 Qf7 13.c4 Bf6= 14.Ng2 Qh7–/+ 15.f4?? Qh2–+ 16.Kf2 Qh7?? 17.Nd2? Nc6 18.b5 (18.b5 Nce7 19.fe5 de5 20.e4=+) 1–0. ejdrzej (1655) – bukioo, kurnik, 2011.

3.e3 Be7?? 4.Bg7+– Bb4 (4...Nf6 5.Bh8 Bb4+–) 5.Qh5 (5.Qh5 Ke7 6.Qh4 Ke8 7.Qb4+–) 1–0. Wall,Bill – Cabrera,Erik, chess.com, 2007.

3.e3 Nh6 4.Nf3 Bd6 5.Bg7 Bb4 6.Bh8 Ng4 7.h3 Qh4 8.Nh4 1–0. Trkn – john, itsyourturn.com, 2000.

3.e4 Bb4?? 4.Bg7 Bd2 5.Nd2 fe4 (5...Nf6 6.Bh8 d6 7.e5 de5 8.Nc4+–) 6.Qh5 Ke7 7.Bh8 (7.Bh8 h6 8.Qh4 Ke8 9.Qg3+–) 1–0. Bendig,Frank – Bertelsen, corr, 1992.

3.e4 d5 4.Qh5 g6 5.Qe2 Nf6 6.ed5 Bg7 7.de6 0–0 8.e7 (8...Qd6 9.ef8Q Kf8 10.b5+–) 1–0. Franke,Heribert – Cosma,Elena L (Radu?), corr ICCF EU–M–GT–104, (year?).

3.e4 Qe7 4.ef5 ef5 5.Be2 Nf6 6.Nf3 g6? (better is 6...Qb4 7.Bf6 gf6+=) 7.0–0+– Bg7 8.Bc4 (8.Re1 Ne4 9.Bg7 Qg7+/–) 8...Kd8? (better is 8...d5 9.Bb3 0–0+=) 9.Re1+– Ne4 10.Nc3 Qb4 11.Bb3 (11.Ne4 Bb2 12.c3 Qc4+=) 11...c6 12.Qc1 Rf8? (better is 12...Bc3 13.Bc3 Nc3 14.dc3 Qc3+–) 13.Ba3 Qb6 14.Ne4 fe4 15.Bf8 Bf8 16.Re4 d5 17.Re1 Bg7 (17...Kc7+–) 18.d4! Bf5 (18...Bd4 19.Qg5 Pinning) 19.Qg5 (19.Qg5 Kc7 20.Re7 Nd7 21.Qf4 Kc8 22.Re8 Qd8 23.Rd8 Kd8 24.Re1+–) 1–0. Petesch,Gabriel N (2240) – Jelfs,Alan (1885), 122nd ch–SCO, 2015.

3.Nf3 Bb4?? 4.Bg7 Nf6 5.Bh8 +–.

3.Nf3 b6 4.e3 Bb7 5.Be2 Nf6 6.a3 g6 7.0–0 Bg7 8.c4 0–0 9.d4 d6 10.Nbd2 Nbd7 11.Qb3 Qe7 12.Rfd1 h6 13.Rac1 Kh7 14.h3 e5 15.de5 de5 16.c5 e4 17.Nd4 Ne5? 18.c6 Bc8 19.b5 Ne8 20.Nc4 Nc4 21.Bc4 Bf6 22.Ne2 Nd6 23.Bd5 Bb2 24.Qb2 Be6 25.Nf4 Bd5 26.Rd5 a6 27.a4 a5 28.Qe5 Rae8? 29.Qe7+– Re7 30.h4 g5 31.hg5 hg5 32.Ne2 Kg6 33.g3 Kf6 34.Kg2 Re5 35.Rcd1 Rfe8 36.Rd6 cd6 37.Rd6 R5e6 38.Rd7 R8e7?? 39.Rd8 Re8?? 40.Rd2 Rc8 41.Nd4 Rd6 42.Rd1 Ke5 43.Rh1 Rd4 44.ed4 Kd4 45.Rd1 Kc4 46.Kf1 Kb3 47.Rd4 Kc3 48.Rd5 Kb3 49.Rf5 Ka4 50.Rg5 Kb3 51.Re5 a4 52.Re4 a3 53.Re1 Kb2 54.f4 a2 55.Kf2 a1Q 56.Ra1 Ka1 57.f5 Kb2 58.g4 Kc3 59.g5 Kd4 60.Kf3=+ Ke5 61.Kg4 Rh8 62.f6 Ke6 63.f7 Kf7 64.Kf5 (64.Kf5 Re8 65.g6 Kg7 66.Kf4 Kg6 67.Kf3–+). bratek55 (1625) – kobra03 (1640), kurnik, 2011.

3.Nf3 d6 4.e3 e5 5.d3 Nf6 6.Be2 Be6 7.c4 Nbd7 8.0–0 Be7 9.Nc3 0–0 10.a3 b6 (10...Nb6 11.Ng5 Qd7 12.Qc2+=) 11.e4 (11.Ng5 Bf7+/–) 11...c6 (11...h6=) 12.d4?? (better is 12.Ng5 Bf7 13.ef5+/–) 12...fe4+= 13.Nd2 ed4 14.Nce4 Ne4 15.Ne4 c5 16.Ng3 Nf6 17.Bd3 Qd7 18.Qc2 Rae8 19.Rae1 Rf7 20.b5 d5 21.cd5 Bd5 22.f3 Bd6 23.Ne4 Be4 24.Be4? Ne4–+ 25.Re4 Re4 26.Qe4 h6 27.a4 Rf4 28.Qa8 Kh7 29.Bc1 Rh4 30.h3 Qf7 31.Qd8 Be7 32.Qd7= Qf6 33.Qa7?? d3 34.a5 Ra4 35.a6 Qd4 36.Kh1 Qe5 37.Qb6 Bd6 38.f4= Qd4 39.Bd2+= c4?? 40.Qd4+– (40.Qd4 Bf8 41.b6 Ra6 42.b7+–) 1–0. Fournier,Frederic (1615) – zigzawer, Active, 2007.

3.Nf3 Nf6 (--> 2...Nf6 3.Nf3 e6).

3.a3 Nf6

4.d4 d5 5.Nd2 c6 6.Ngf3 Nbd7 7.e3 Be7 8.g3 0–0 9.Bg2 Ne4 10.Ne4 fe4–/+ 11.Ne5 Nb6 12.0–0= Nd7 13.Nd7 Bd7 14.Rc1 Rf7 15.c4 Qc7 16.c5 Raf8=+ 17.Rc2 Bf6 18.f4 Be8 19.a4 a5 20.ba5 Qa5 21.Rd2 Rc7 22.Rff2 Bg6 23.Ba3 Qc3 24.Bb2 Qe3?? 25.Kh1?? Be7?? 26.Bc1?? Qc3–/+ 27.Rde2 Bh5–+ 28.Qd2 Qd2 29.Rd2? e3 30.Rf1 ed2 31.Bd2 Bf6 32.Be3 Be2 33.Re1 Bc4 34.Bh3 Re7 35.Bf2 Rfe8 36.a5 Bd3 37.Bg2 Ra8 38.Re3 Bd4 39.Rd3 Bf2 40.Rf3 Bc5 41.Rc3 Bb4 42.Re3 Ra5 43.h4 Bc5 44.Rc3 e5 45.fe5 Re5 46.g4 Bd6 47.Rb3 Re1 48.Bf1 Rf1 49.Kg2 Rfa1 50.Rb7 R1a2 (50...R1a2 51.Kg1 Rh2 52.Rb1 Rh4 53.g5 Bc5 54.Kg2 Ra3 55.Rb8 Kf7 56.g6 Kg6 57.Rb1 Rg4 58.Kf1 Ra2 59.Rb2 Rb2 60.Ke1 Rg1; 50...R5a2 51.Kf3 Rf1 52.Ke3 Bc5 53.Kd3 Rf3) 0–1. I need chocolate... – goffy, ChessWorld.net, 2005.

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3).

4.Nf3 (--> 2...Nf6 3.Nf3 e6 4.a3).

4.Nf3 Be7 5.e3 0–0 6.c4 (--> 2...Nf6 3.c4 e6 4.a3 Be7 5.Nf3 0–0 6.e3).

3.b5 Nf6

4.a4 Be7 5.c4 b6 6.Nc3 Bb7 7.d4 0–0 8.Nf3 h6 9.e3 d6 10.Be2 Nbd7 11.h3 c5 12.0–0 Qe8 13.Nd2 Qg6 14.Bf3 Bf3 15.Nf3 Rad8 16.d5 e5 17.Nh4 Qg5 18.g3 Nh5 19.Kh2 f4 20.ef4 ef4 21.Ne4 fg3 22.fg3 Rf1 23.Qf1 Qe3 24.Re1 Qb3 25.Bg7?? Ng7 26.Nd2 Qc3 27.Re6?? Bh4 28.gh4 Qd2 29.Re2 Qd4 30.Rg2 Qf6 31.Rf2 Qh4 32.Rf7 Ne5 33.Re7 Rf8 34.Rg7 Kg7 35.Qg1 Qg5 36.Qg5–+ hg5 37.Kg3 Rf4 38.h4 Rh4 39.Kf2 Rc4 40.Ke3 Ra4 41.Kd2 Rb4 0–1. iczker – padalinka (1630), kurnik, 2011.

4.a4 Be7 5.e3 0–0 6.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.a4).

4.Nc3 d5 5.d4 c6 6.e3 Bb4 7.a3 Ba5 8.Nf3 Ne4 9.Qd3 Bd7 10.a4 Qc7 11.Ne5 cb5–/+ 12.Nd7 Nd7–+ 13.ab5? Bc3 14.Bc3 Qc3 15.Qc3 Nc3 16.f3 Nb6 17.Bd3 Nc4 18.b6 a6 19.g4 fg4 20.fg4 0–0 (21.Bc4 dc4–+; 20...Nb6 21.Rf1–+) 0–1. Richter,Rainer (2220) – Grunberg,Florin, Timisoara op, 1995.

4.c4 (--> 2…Nf6 3.c4 e6 4.b5).

4.c4 Be7 5.e3 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).

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5).

4.e3 Be7 5.c4 0–0 6.Nf3 b6 7.Be2 Bb7 (--> 2…Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3 Be7 7.Be2 0–0).

4.Nf3 (--> 2.Bb2 Nf6 3.Nf3 e6 4.b5).

3.c4 Nf6

(--> 2...Nf6 3.c4 e6).

4.b5 c6 5.a4 d5 6.e3 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

4.b5 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4).

4.b5 Be7 5.e3 0–0 6.d4 d6 7.Nf3 Qe8 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3 d6 7.d4 Qe8).

3.e3 Bb4??

4.Bg7 Nc6 5.Bh8 e5 6.Nf3 d6 7.c3 Ba5 8.d4 Nf6 9.de5 de5 10.Qd8 Nd8 11.Bf6 Kf7 12.Be5 Ne6 13.Bc4 1–0. carocan (1665) – zsoltika29, kurnik, 2011.

4.Bg7 d6 5.Qh5 Kd7 6.Bh8 e5 7.Qh7 Ne7 8.Bf6 Nbc6 9.Nc3 Bc3 10.dc3 Qf8 11.Be7 Ne7 12.Nf3 c5 13.Bb5 Kc7 14.0–0 Be6 15.Qh4 Rd8 16.Qa4 Kb8 17.Qb3 Bb3–/+ 18.ab3 a6 19.Be2 Qg7 20.Kh1 e4–+ 21.Nd2 Qc3 22.Nc4 Qc2 23.Rfe1 Rg8 24.Kg1 Qb3 25.Reb1 Qc2 26.Rb2 Qc3 27.Ra6 Qg7 28.g3 Kc7?? 29.Rab6=+ Rb8 30.Nd6 Nd5?? 31.Rb7 Rb7?? 32.Rb7+– Kd6 33.Rg7 c4 34.Bc4 Nf6 35.Rf7 (35.Rf7 Nd7 36.Rf5+–) 1–0. carocan (1650) – srbisucigani, kurnik, 2011.

4.Qh5 g6 5.Qf3 Nf6 6.e4 d6 7.ef5 ef5 8.Qe3 Qe7 9.Qe7 Ke7 10.Nf3 Re8 11.Be2 Nc6 12.a3 Ba5 13.Nc3 Bd7 14.0–0 Kf8 15.Nb5 Re2 16.Bf6 Kf7 17.Bc3 Bb6 18.Nbd4 Nd4 19.Bd4 1–0. Nautiluschess – ocho, ICS rated blitz match, 2001.

3.e3 d5

(--> 1.b4 d5 2.Bb2 e6 3.e3 f5).

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

3.e3 Nf6

(--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6).

4.a3 d5 5.Nf3 (--> 2…Nf6 3.Nf3 e6 4.a3 d5 5.e3).

4.a3 Be7 5.Nf3 (--> 2…Nf6 3.Nf3 e6 4.a3 Be7 5.e3).

4.b5 b6 5.c4 (--> 2…Nf6 3.c4 e6 4.b5 b6 5.e3).

4.b5 b6 5.Nf3 Bb7 6.c4 (--> 2…Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

4.b5 b6 5.Nf3 Bb7 6.Be2 Be7 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 b6 6.Be2 Bb7).

4.b5 b6 5.Nf3 Bb7 6.Be2 Be7 7.c4 (--> 2...Nf6 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3 Be7 7.Be2).

4.b5 c6 5.a4 d5 6.c4 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

4.b5 c6 5.c4 d5 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3 c6).

4.b5 d5 5.c4 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3).

4.b5 d5 5.Nf3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3 Nf6 5.b5).

4.b5 Be7 5.c4 d6 6.d4 0–0 7.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3 d6 7.d4).

4.b5 Be7 5.Be2 0–0 6.Nf3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 0–0 6.Be2).

4.Nf3 (--> 2...Nf6 3.Nf3 e6 4.e3).

3.e4 fe4

4.Nc3 Nf6 5.Qe2 Bb4 6.Ne4 Be7 7.Nf6 Bf6 8.Qh5 g6 9.Bf6 Qf6 10.Qd1 0–0 11.Nf3 b6 12.Be2 Bb7 13.0–0 Nc6 14.c3 Ne5 15.Re1? Nf3 16.Bf3 Bf3 17.Qf3 Qf3 18.gf3 Rf3 19.Re3 Raf8 20.Rf3 Rf3 21.Re1 Rd3 22.Re2 Kf7 23.Kg2 Kf6 24.f3 Kf5 25.Kf2 b5 26.h3 a5 27.a3 c5 28.h4 b4 29.ab4 cb4 30.cb4 ab4 31.Ke1 d5 32.f4 b3 33.Kd1 Rh3 34.Re5 Kf6 35.Re1 Rh4 36.Kc1 Rf4 37.Kb2 Rb4 38.Kc3 0–1. j1a9n55 – formen24 (1845), kurnik, 2011.

4.Qh5 Ke7

5.Nc3 Nf6 6.Qh4 d5 7.0–0–0 (7.f3 Ke8 8.fe4 Bb4 9.ed5 Bc3 10.Bc3 ed5 11.0–0–0 Be6 12.Re1=; 7.a3 a5 8.ba5 Ra5 9.f3 Ke8 10.fe4 d4 11.Nb5 e5 12.Qg5+=; 7.b5 e5 8.f3 ef3 9.Nf3 Qd6 10.Be2 Kd8 11.0–0 Qe6 12.Kh1+=) 7...Nc6 (7...Kf7 8.d3 Bb4 9.de4 Bc3 10.Bc3 Ne4 11.Qf4 Nf6 12.Be5–/+) 8.d3 (8.b5 Nd4 9.d3 Nf5 10.Qg5 h6 11.Qg6 e3 12.fe3+=) 8...ed3 (worse is 8...Nb4 9.de4 Ke8 10.a3= Nc6 11.ed5 Nd5 12.Qd8=) 9.Bd3 Kf7 10.Nf3 (10.a3 Ne5 11.Be2 Ng6 12.Bh5–/+) 10...Nb4 (10...Bb4 11.Nb5–/+ Bd7 12.Kb1–/+) 11.Rhe1 (11.Bg6 Kg8 12.Ng5+=) 11...Nd3 (11...Kg8 12.Be2–/+) 12.Rd3 Bd6 13.Ng5 Kg8 14.Ne6 Be6 15.Re6 Kf7 (better is 15...h6!?+=) 16.Rf6+= gf6 (16...Qf6 17.Rf3 Qf3 18.gf3 c6+–) 17.Nd5+– Be7?? (17...Rg8 18.Nf6 Rg2 19.Qh5 Rg6 20.Qd5 Kf8 21.Nh7 Ke8 22.Qe4 Kd7 23.Qg6 b5 24.Qf5 Kc6 25.Qe4 Kb6 26.Bd4 c5+–) 18.Qh5 (worse is 18.Ne7 Qe7 19.Qh5 Kg8 20.Rg3 Kf8+–) 18...Kf8 19.Ne7 Qe7 (19...Qd3 20.Qh6 Ke7 21.cd3+–) 20.Ba3 (20.Ba3 Qa3 21.Ra3+–) 1–0. Sulskis,S (2540) – Andersen,Dani (1940), 5th XtraCon Open, 2010.

5.Be2. Adam.

5.f3 e3 6.de3 Nf6 7.Qg5 h6 8.Qg6+= Qe8 9.Qg3 Kd8 10.a3 Qf7 11.e4 Nh5 12.Qf2 Rg8 13.Ne2 b6 14.c4 Bb7 15.c5 g5 16.Nd2 bc5 17.bc5 Nc6 18.Nd4 Bg7 19.Rb1+/– Bd4 20.Bd4 Rb8 21.Nc4 Nf4 22.Ne5 Qh7 23.Nc6+– dc6 24.g3 Nh5 25.Be5 g4 26.Bc4 Qf7 27.0–0 (27...gf3 28.Qf3 Qf3 29.Rf3+–) 1–0. Bendig,Frank – Wallace,Gary, corr or01–017 E–mail, 2001.

5.f3 e3 6.de3 Nf6 7.Qh4 d5 +=.

5.f3 e3 6.de3 Nf6 7.Qh4 Kf7 +=.

5.f3 e3 6.Qg5 Ke8= 7.Qh5 Ke7 8.Nh3 Nf6 9.Qh4 ed2 10.Nd2 d5 11.Bd3 Kd7 12.Ng5 Qe7 13.0–0–0 h6 14.Nc4+= c5? 15.Nf7 Rg8 16.Nh6 gh6 17.Bf6 Qe8 18.Bh7 Rg2 19.Rhe1 d4 20.Rd4! (20...Kc6 21.Rd8+–) 1–0. Jacewicz,Grzegorz – Wallace,Gary, corr or01–017 E–mail, 2002.

5.f3 ef3 6.Qf3 Nf6 7.Be2 =+.

5.f3 ef3 6.Nf3 Nf6 7.Qh4 =.

5.f4. Adam.

5.d3! ed3

6.Bd3 Qe8 7.Qh4+= Nf6 8.Nd2 d5 9.Ngf3+= Nbd7 10.g4 e5 11.g5 c6?? 12.gf6+– (12...gf6 13.Be5+–) 1–0. Wallace,Gary – Lowry,Paul, corr or01–017 E–mail, 2001.

6.Bd3 Nf6

7.Bf6 gf6 8.Nf3 Nc6 =+.

7.Bf6 gf6=+ 8.Nf3 d5 =+.

7.Bf6 gf6 8.Bh7 Nc6 9.a3 a5 10.b5 Ne5 11.f4 Nf7 12.Ne2 c6 13.Nbc3 cb5 14.Nb5 Qb6 15.Nbd4 d6 16.Qg6 Nh6 17.0–0 Nf5 18.c3 Bd7 19.Rab1 Qa7 20.Rf2 Ng7 21.c4 Rc8 22.Qe4 Bc6 23.Nc6 bc6= 24.Qg6 Rc7 25.f5 e5 26.g4 Ne8 27.Nf4 Kd7?? 28.Qf7+– Be7 29.Ng6 Rh7 30.Nf8 Kd8 31.Nh7?? d5= 32.Nf8 Qf2 33.Kf2 Bc5 34.Kf3 Rf7 35.Ne6 Kc8 36.Nc5 Ra7 37.cd5 cd5 38.h4 Kc7 39.h5 Nd6+= 40.g5 Nf5 41.gf6+= Kd6 42.Nb7 Ke6 43.Rb6 Kf7 44.Nd8+– Kf8 45.Nc6 Nd4 46.Nd4 ed4 47.Ke2 Rc7 48.Kd3 Rc3 49.Kd4 Ra3 50.Rb7 (50...Rg3 51.h6+–; 50.h6 Rh3+/–) 1–0. Dopper,Johan – Andersson,Lars H, corr, 1991.

7.Bf6 gf6=+ 8.Bh7 d5–/+ 9.a3 Bg7 10.Qg6=+ Qf8 11.h4 f5 12.Nf3?? Ba1–+ (13.h5 Qg7 14.Qg7 Bg7–+) 0–1. Figiel,Rafal – Bendig,Frank, corr or01–017 E–mail, 2002.

7.Qh4 a5 =.

7.Qh4 d5 8.Nd2 Qd6 9.Ngf3 Nbd7 10.0–0–0 a5 11.b5 c6 12.Rhe1 Qb4 13.Ne4? de4–/+ 14.Re4 Qc5 15.Re6 Kf7 16.Ng5 (16...Kg8 17.bc6 bc6 18.Rc6 Qc6 19.Bc4 Nd5 20.Bd5 Qd5 21.Rd5+–) 1–0. Wallace,Gary – Figiel,Rafal, corr or01–017 E–mail, 2002.

7.Qh4 d6?! 8.Nf3 e5 9.0–0 Qd7 10.Nc3 Qg4 11.Nd5 Kd8 12.Qg4 Bg4 13.Ng5!

7.Qh4 d6?! 8.Nf3 e5 9.0–0 Bg4 10.Ng5 Nc6 11.f3! Bh5 12.Nh7!!

7.Qh4 Kf7! 8.Nf3 Nc6 9.Ng5 Kg8 10.a3 h6 11.Nf3 g5! 12.Qg3 d5 13.Ne5 Bd6 14.f4 Nh5 15.Qf3 Be5 16.fe5 Nf4 unclear.

5.d3! Nf6

6.Bf6 Kf6 7.b5 =.

6.Bf6 Kf6 7.c3 =.

6.Bf6 gf6

7.de4 a5 8.b5 Bg7 9.Bd3 d6 10.Nf3 Nd7 11.Qh4 Nc5 12.0–0 Kd7 =.

7.de4 d5 8.Nc3 d4 9.Rd1 Nc6 10.Nb5 e5 11.Bc4 Be6 12.Be6 Ke6 =.

7.de4 d5 8.Nc3 Qd6 9.ed5 Qb4 +=.

7.de4 d5 8.ed5 Qd5=+ 9.Qd5 ed5 10.Nc3 Be6 11.Nf3 Nd7 12.0–0–0 c6 13.Nd4 Bf7 14.b5= Kd6 15.Bd3 Ne5 16.Bf5 a6 17.bc6 Bh6 18.Kb1 bc6 19.Nb3 Bg6 20.Ne4 Kc7 21.Bg6 hg6 22.Nec5 Nd7 23.Rhe1 Nc5 24.Nc5 Rab8 25.Nb3 Rhe8–/+ 26.c3 Bf4 27.g3 Bd6 28.Kc2=+ Re5 29.h4 Rbe8 30.Re5 fe5–/+ 31.Kd3 a5 32.a4 e4 33.Ke3 Rb8 34.Nd4 Rb2 35.Rd2 Rb1 36.Ra2 Kd7 37.Ne2 Re1 38.Kd2–/+ Rb1 (39.Ke3 Bc5 40.Kf4 Bf2–+; better is 38...Rf1 39.Ke3 Be5–/+) 0–1. Figiel,Rafal – Jacewicz,Grzegorz, corr or01–017 E–mail, 2002.

7.de4 d5 8.e5 Bg7 9.ef6 Bf6 10.c3 e5 11.Nd2 e4 12.Rc1 Be6 =+.

7.de4 d6 8.c3 Qe8 9.Qe8 Ke8 10.Nf3 Rg8 11.Nbd2 d5 12.Rg1 Nd7 =.

7.de4 d6 8.Nd2 Bg7 9.Ngf3 Qe8 10.Qa5 Kd8 11.Bb5 Nc6 12.Qa4 Bd7 =.

7.de4 d6 8.Nf3 Qe8 9.Qa5 Kd8 10.b5 Bd7 11.Nbd2 Kc8 12.Bd3 Qh5 =.

7.de4 d6 8.Nh3 Bg7 9.c3 Nc6 10.Nd2 a6 11.Nf4 Qe8 12.Rd1 Qh5 =.

7.de4 Bg7 8.c3 Qe8 9.Qh4 d6 10.Nf3 Kd8 11.Bd3 Bd7 12.Qg3 Qe7 =.

7.de4 Bg7 8.Nd2 d6 9.Ngf3 Nc6 10.b5 Nb4 11.0–0–0 Na2 12.Kb2 a6 +=.

7.de4 Bg7 8.Nf3 a5 9.b5 d6 10.Bc4 f5 11.c3 fe4 12.Ng5 Qg8 –/+.

7.de4 Qe8

8.Qa5 b6 9.Qa4 Bg7 10.c3 d5 11.b5 a6 12.ed5 ed5 =.

8.Qd1 Qg6 9.Nc3 Ke8 =.

8.Qd1 Qg6 9.Nc3 Bg7 10.Qd2 Ke8 11.Nge2 f5 12.ef5 Qf5 =.

8.Qe2 Kd8 9.a3 d6 10.Nf3 Bd7 11.c4 Kc8 12.Nc3 Nc6 =.

8.Be2 Qh5=+ 9.Bh5 Nc6 10.c3 Bg7 11.f4 f5 12.e5 d6 13.b5 Na5 14.ed6 cd6 15.Ne2 Nc4 16.a4 a6 17.Nd2 ab5–+ 18.Nc4 bc4 19.Kd2 Bd7 20.Bf3 d5 21.Rhb1 Ra7–+ 22.a5 Rha8 23.Ra3 b5 24.Rba1–/+ Kd6 25.R1a2 Kc5 26.g4 fg4 27.Bg4 b4 28.cb4 Kb4 29.a6 d4 30.Bf3 Rf8 31.Be4 Bf6 (32.Rh3 Bb5 33.Rb2 Ka5–+; 31...Bb5 32.Bh7 Rh8 33.Be4–+) 0–1. Figiel,Rafal – Graafmans,Pascal, corr or01–017 E–mail, 2002.

8.Qh4 Qg6 9.Nc3 Ke8 10.a3 a5 11.b5 Bg7 12.Nge2 f5 =.

5.f3 Nf6

6.Bf6 gf6 7.fe4 d5 =.

6.Bf6 gf6 7.fe4 Qe8 =.

6.Qh4 Ke8=+

7.a3 a5 8.b5 =+.

7.a3 c5 8.fe4= cb4 9.ab4 Bb4 10.Be2 Qe7 11.Nf3 d5 12.c3 Bc5 13.d4 de4 14.Ne5+= Qc7 15.Bh5 Kf8 16.0–0 (16...Qe5 17.Kh1–/+; < 16.dc5 Qe5 17.Be2 Nbd7–/+ (17...Qc5?? 18.Ba3 Qa3 19.Na3+–)). Bendig,Frank – Jacewicz,Grzegorz, corr or01–017 E–mail, 2001.

7.a3 d5

8.fe4 Ne4 9.Qh5 g6 =+.

8.g4 c5 9.g5= Nfd7 10.fe4 d4 11.Nf3 Nc6 12.c3 Nde5 13.Be2 d3 14.Bd1 c4 15.a4 Nf3 16.Bf3 Ne5 17.0–0 h6 18.Kh1 Qg5 19.Qf2 g6 20.Na3 Bd7 21.Bg2 a6 22.Qd4 Rc8 23.Rf2 Ng4 24.Rf7 Kf7 25.Rf1 Nf6 26.Qd7–/+ Be7 27.Qb7 Qe5 28.Rf2 Rhe8 29.Qa6 Kg7 30.Qa5 Rc5! 31.Nc4 Ra5 32.Ne5 Re5 33.c4 Rh5 34.Bc3 e5 35.Kg1 Rg5 36.h4 Rg2 37.Rg2 Ne4 38.Be5 Kf7 (39.h5 gh5–+) 0–1. Jacewicz,Grzegorz – Graafmans,Pascal, corr or01–017 E–mail, 2002.

8.g4 c5 9.g5= Nfd7 10.fe4 d4 11.Nf3 Nc6 12.Bc4 Nde5 13.Ne5 Ne5 14.Bb5 Bd7 =+.

8.g4 c5 9.g5= Nfd7 10.fe4 d4 11.Nf3 Nc6 12.Qh5 g6 13.Qg4 Be7 14.c3 Qb6 15.Be2 e5 16.Qh4 cb4 17.ab4 h5 18.Na3 dc3 19.dc3 Nb4 20.Bc1 Nc6–/+ 21.Nc4 Qc7 22.0–0 Rf8–/+ 23.Kh1 a6 24.Ne3=+ Nb6 25.Nd5 Nd5 26.ed5 Nb8 27.Qa4 Bd7 28.Qb3 Bh3 29.Re1 Nd7 30.Be3 Bf5–/+ 31.Nd2 Bd6 32.Bf3=+ Ke7 33.Ne4 b5 34.Nd6 Qd6 35.c4 bc4 36.Qc4 Rfc8 37.Qa4= Rc3 38.Qa5 Rd3 39.Rad1 Rd1 40.Rd1= Rb8 41.Rc1 Rb3 42.Qe1 e4–/+ 43.Bd1 Rd3 44.Bc2 Rd5–/+ 45.Qc3 Be6 46.Qg7 Bf7–/+ 47.Qc3 a5 48.Rf1 Rf5 49.Rd1=+ Qa6 50.Be4 Rf1 51.Rf1 Qf1 52.Bg1 Qf4 53.Qa3 Ke8 54.Bc6 Qd2 55.Qc5 Bb3 56.Qb5 a4 57.h3 Ke7 58.h4 Qd6 59.Bg2 Qf4 60.Qe2 Kf7 61.Bh2 Qh4–+ 62.Qf3 Kg7 63.Qe3 Kg8 64.Qe7 Nf8 65.Qe5 Qc4 66.Bf4 Qe6 67.Qe6? Ne6 68.Bc1 Kf7 69.Kh2 Bc2 70.Kg3 Ke7 71.Ba3 Kd8 72.Kh4 Kc7 73.Bf1 Nd4 74.Kg3 Kc6 75.Bg2 Kb6 76.Bf1 Bf5 77.Bc4 Ka5 78.Bf7 Nc2 79.Bd6 a3 80.Be5 Nb4 81.Bd6 Bb1 82.Bf8 a2 83.Bg7 Ka4 84.Bb2 Nd3 85.Ba1 Nc1 86.Be5 Nb3 87.Be6 Kb4 88.Bb3 Kb3 89.Ba1 Bf5 90.Kh4 Kc2 91.Bh8 Kb1 (92.Be5 a1Q 93.Ba1 Ka1–+) 0–1. Bendig,Frank – Graafmans,Pascal, corr or01–017 E–mail, 2002.

8.g4 c5 9.g5= Nfd7 10.Qh5 Ke7 =.

8.g4 ef3 9.Nf3 a5 10.g5 =.

8.g4 ef3 9.Nf3 Ne4 10.Qh5 Ke7 11.Bd3 +=.

5.Qh4 Nf6

6.Nc3 d5 7.f3 Kf7 =+.

6.d3 ed3 7.Bd3= d6 8.Nh3 a5 9.b5 h6 10.Nd2 Qe8 11.0–0–0 Kd8 12.Nf4 Be7 13.Ng6 Rg8 14.Rhe1 Qf7 15.Nc4 Nbd7 16.Bf5 Nc5 17.b6 Nd5= 18.Ne7 Qe7 19.Qe7 Ne7= 20.Bg4 Nd5 21.Bf3 Na4 22.Bd5 Nb2 23.Kb2 ed5 24.Rd5 Ra6 25.bc7 Kc7 26.Re7 Bd7 27.Rf5 Kd8 28.Rff7+/– Bc8 29.Rg7 Be6 30.Ne3 Rg7 31.Rg7 Rb6 32.Ka3 d5 33.Rg6 Rc6 34.Rh6 d4 35.Nd1 b5 36.Kb2 Ke7 37.a3 Rc8 38.Rh5 Bg4 39.Re5 Kf6 40.Re1 Bf5 41.c3 Rd8 42.Kc1 Rc8 43.Kd2 Rd8 44.Kc1?? Rc8+= 45.Kb2 Rd8+/– 46.Re2 dc3 47.Nc3 b4 48.ab4 ab4 49.Na2 Rd4 50.f3 (50...Be6 51.g4+/–) 1–0. Graafmans,Pascal – Nemec,Zdenek, corr or01–017, 2001.

6.d3 d5 7.de4= de4 8.Nd2 Qe8 9.Ne4+/– Qf7 10.0–0–0 a5 11.Nf3 ab4 12.Ne5+– Qh5 13.Nc6!! Kf7 14.Nd8 Kg6 15.Bd3 (15...Ne4 16.Be4 Qf5 17.Qg4 Kh6 18.Bf5 ef5 19.Nf7#) 1–0. Graafmans,Pascal – Lowry,Paul, corr or01–017 E–mail, 2002.

6.d3 e3 7.fe3= Ke8 8.Be2 Qe7 9.a3+= d6 10.Nh3 e5 11.0–0 Bh3 12.Qh3+/– Nbd7 13.Nd2 g6 14.Rf2 Bg7 15.Raf1 Rf8 16.c4 h6 17.d4 e4 18.Qg3 g5 19.Nb3 d5 20.cd5 Nb6 21.Nc5 Nbd5 22.Rf5 Qd6 23.Re5 Kf7 24.Ne4 Qd8 25.Rd5! Qd5 26.Qc7 Kg6 27.Nf6 (27...Rf6 28.Bd3 Rf5 29.Rf5 Qf5 30.Bf5 Kf5 31.Qg7+–) 1–0. Graafmans,Pascal – Wallace,Gary, corr or01–017 E–mail, 2002.

6.d3 Ke8 7.a3 c5 8.de4 cb4 9.e5 ba3 10.Na3 =.

6.d3 Kf7 7.a3 ed3 8.Bd3 Be7 9.Nf3 d6 10.Ng5 Kg8 11.Nd2 Nc6 12.f4 e5 13.0–0 Qe8 14.fe5 Ne5 15.Be5 de5 16.Bc4 Kf8 17.Nh7 Rh7 18.Qh7 1–0. CountFromHolland – BeRReGoN, playchess.de, 2002.

6.Bf6 gf6

7.Qe4 a5 8.b5 d5 9.Qe2 c5 10.bc6 Nc6 11.Nf3 e5 12.Nc3 Nb4 13.Qd1 Bf5 14.Rc1 d4 15.Na4 Na2 16.Ra1 Nb4 17.Rc1 Rc8 18.c3 dc3 19.dc3 Bh6 20.Nd2 Bd2 21.Qd2 Qd2 22.Kd2 Rhd8 23.Ke3 Nd5 24.Kf3 e4 25.Ke2 b5 0–1. Bendig – Winckelmann, corr 1994.

7.Qe4 a5 8.b5= d5 9.Qe3 Rg8 10.c4 dc4=+ 11.Nf3 c6 12.Nc3 cb5 13.Nb5 Na6 14.Bc4 Rg4 15.Rc1 Bd7 16.Nfd4 e5 17.0–0 Rc8 18.a4 Nb4 19.f4+= Bh6 20.Qe4 (20...Qb6 21.Qe3=; 20.Ne2 Bf5+=). Nemec,Zdenek – Jacewicz,Grzegorz, corr or01–017, 2001.

7.Qe4 Nc6 8.b5 d5 9.Qe3 Ne5 10.d4 Ng6 11.Nf3 Kf7 12.Bd3 Bd6 13.Nbd2 Nf4 14.0–0 Rg8 15.g3 Nd3 16.Qd3 Rg7 17.c4 Qg8 18.c5 Bf4 19.Rfe1 Bd7 20.Rac1 c6 21.bc6 Bc6 22.Qe2 Qe8 23.Rb1 Qd7 24.Qf1 b6 25.Qh3 Bd2 26.Nd2 bc5 27.dc5 Re8 28.Qh5 Kg8 29.Qf3 Rg6 30.Rb4 e5 31.Rc1 d4 32.Qa3 Qh3 33.f3 Rh6 34.Nf1 Kh8 35.Rcb1 Qd7 36.Rb8 Rb8 37.Rb8 Kg7 38.Nd2 Bd5 39.Rb4 Qh3 40.Nf1 a6 ½–½. Bendig – Langheld, corr 1991–92.

7.Qe4 Nc6 8.b5 Ne5 9.d4 Ng6 10.d5 a6 11.de6 de6 12.Nc3 Bh6 13.Bc4?? Qd2–+ 14.Kf1 Qc3 15.Re1 Ne5 16.Bd3 ab5 17.Nf3 Ra4 (17...Ra4 18.Qe2 Nd3 19.cd3 Rd8–+) 0–1. iczker – motlajs, kurnik, 2011.

7.Qe4 d5

8.Qd3 e5 9.Qb3 Nc6 10.c3 a6 11.Ne2 Bg7 12.Ng3 f5 13.Be2 Be6 14.0–0 Rg8 15.f4 e4 16.Na3 Qd6 17.Rae1 Bh6 18.Nh5 Bf7 19.Ng3 Bg6 20.b5 Nd8 21.ba6 ba6 22.c4 Ne6 23.cd5 Nf4 24.Bc4 Rab8 25.Qa4 Rb2 26.Rf2 Rgb8 27.Bb3 Nd3 28.Nf5 Bf5 29.Rf5 Qb6 30.Kh1 Ne1 31.Qe4 Kd8 32.Nc4 Qg6 33.d6 cd6 34.Nb2 Rb3 35.ab3 Ng2 36.Nc4 Nf4 37.Rf4 Bf4 38.Qf4 Kd7 39.Qd4 Qb1 40.Kg2 Qg6 41.Kf1 Qf5 42.Ke1 d5 43.Ne3 Qb1 44.Ke2 Qb3 45.Nd5 Qb5 46.d3 Kc6 47.Nb4 Kc7 48.Qg7 Kb6 49.Qh6 Ka5 50.Nc6 Ka4 51.Qf4 Ka3 52.Qd6 Ka4 53.Qd4 Kb3 54.Qe4 Qh5 55.Kf1 a5 56.Qc4 Kb2 57.Kg2 Qe2 58.Kg3 Qe3 59.Kg4 Qe2 60.Kf5 Qh2 61.Qd4 Kb1 62.Qb6 Kc2 63.Qc5 Kb2 64.Qb5 Kc1 65.Ne5 Qa2 66.Qc5 Kd1 67.Qg1 Kc2 68.Qg2 Kb3 69.Qg8 Ka3 70.Nc4 Kb4 71.Qh7 Qe2 72.Qd7 Qf3 73.Ke5 Qg3 74.Ke4 Qg2 75.Ke3 Qg1 76.Kf3 Qh1 77.Kg4 Qg2 78.Kh4 Qh2 79.Kg5 Kc3 80.Qg7 Kd3 81.Ne5 Ke2 82.Qc7 Kd1 83.Kf6 Qh6 84.Kf5 Qh5 85.Ke4 Qe2 86.Kd4 Qf2 87.Kd5 Qd2 88.Ke6 Qh6 89.Ke7 Qg5 90.Kf7 Qf5 91.Kg7 a4 92.Nc4 Qg5 93.Kf7 Qf5 94.Kg8 Qg5 95.Kh7 Qh5 96.Kg8 Qg5 97.Kh7 Qh5 ½–½. COMP – COMP, 2002.

8.Qd3 e5 9.Nc3 Be6 10.a3 a5 11.b5 Bg7 12.Nge2 f5 13.Rb1 Qd6 14.Qg3 Kf7 15.b6 d4 16.Nb5 Qb6 17.c3 Na6 18.cd4 ed4 19.Nf4 Rae8 20.Kd1 Be5 21.Be2 Kf8 22.Re1 Nc5 23.Ne6 Qe6 24.Qf3 c6 25.Bc4 Qf6 26.Na7 Kg7 27.Qh5 Qg6 28.Qh4 Qg4 29.Qg4 fg4 30.Be2 Bb8 31.Nc6 bc6 32.Bg4 Re1 33.Ke1 Re8 34.Kf1 Ne4 35.Rb2 Bh2 36.g3 Rf8 37.d3 Nc5 38.Kg2 Nd3 39.Rd2 Ne1 40.Kh2 c5 41.Kh3 Kg6 42.Be2 Re8 43.g4 Kg7 44.Bc4 Rf8 45.Re2 Rf3 46.Kh2 Rc3 47.Re1 Rc4 48.Kg3 Rc3 49.Kf4 a4 50.Re7 Kg6 51.Rc7 d3 52.Rc6 Kf7 53.Ke3 c4 54.f4 h6 55.f5 Kg7 56.Rc7 Kf6 57.Rc6 Ke7 58.Rh6 Ra3 59.g5 Ra1 60.Rc6 Re1 61.Kd2 Re2 62.Kd1 a3 63.f6 Kf7 64.Rc4 a2 65.Rc7 Kg6 66.Ra7 Rf2 67.Ra4 Rf1 68.Kd2 a1Q 69.Ra1 Ra1 70.Kd3 Kg5 71.f7 Rf1 72.Kd4 Rf7 73.Ke5 Re7 74.Kd6 Re1 75.Kd5 Kf4 76.Kd4 Rd1 77.Kc5 Ke4 78.Kc6 Ke5 79.Kc5 Rc1 80.Kb4 Kd5 81.Kb3 Kd4 82.Kb2 Rc3 83.Ka2 Kd3 84.Kb2 Kd2 85.Kb1 Rb3 86.Ka1 Kc3 87.Ka2 Kc2 88.Ka1 Ra3 0–1. COMP – COMP, 2002.

8.Qd3 e5 9.Nc3 Be6 10.Qb5 d4 11.Ne4 Bd5 12.Nc5 Qe8 13.Nf3 Qb5 14.Bb5 Kd8 15.c4 Bf3 16.Ne6 Kc8 17.gf3 a5 18.ba5 Ra5 19.Be8 Ba3 20.Bf7 Bb2 21.Rb1 Ra2 22.c5 Ra6 23.f4 Nd7 24.Rg1 Ba3 25.fe5 Ne5 26.Rg8 Rg8 27.Bg8 d3 28.h3 h5 29.f4 Nf3 30.Kd1 f5 31.Ra1 Ra4 32.Ng5 Ng5 33.fg5 Rf4 34.Ke1 Bc5 35.Bd5 Bf2 36.Kd1 Bh4 37.Kc1 Bg5 38.Ra3 Rf1 39.Kb2 Bf6 40.Ka2 c6 41.Be6 Kb8 42.Rd3 f4 43.Bc4 Rf2 44.Kb3 Kc7 45.Be6 b5 46.Bf7 h4 47.Bh5 Be5 48.Kb4 Kb6 49.Kb3 c5 50.Kc2 Rh2 51.Bg4 Bd4 52.Kd1 Rg2 53.Rf3 Be5 54.Bf5 Bc7 55.d3 Ka5 56.Bd7 Kb4 57.Bc6 Rg6 58.Be4 Ra6 59.Rf2 Kc3 60.Rc2 Kd4 61.Bf3 Ra1 62.Ke2 Ba5 63.Bc6 Rb1 64.Kf3 Bc7 65.Kg4 Rb3 66.Kh4 Bd6 67.Rc1 b4 68.Bb5 Rb2 69.Rc4 Ke5 70.Re4 Kf6 71.Bc4 Be5 72.d4 cd4 73.Re2 Rb1 74.Ra2 Rc1 75.Ra6 Kg7 76.Ra7 Kg6 77.Bd3 Kf6 78.Ra6 Ke7 79.Kg4 Bc7 80.Ra4 Rc3 81.Be4 Bd6 82.h4 Ke6 83.Bf5 Kf6 84.Bd7 Rg3 85.Kh5 d3 86.Ra2 Ke5 87.Bg4 f3 88.Rf2 Bc5 89.Rd2 f2 90.Rf2 Bf2 91.Bd7 b3 92.Ba4 b2 93.Kh6 0–1. COMP – COMP, 2002.

8.Qd3 e5 9.Nc3 Be6 10.Qb5 d4 11.Ne4 Bd5 12.d3 Kf7 13.Ne2 a6 14.Qa4 Nc6 15.Rb1 b5 16.Qa3 Nb4 17.Qb2 Na2 18.c3 dc3 19.N2c3 Bb4 20.Kd1 Nc3 21.Nc3 Bc3 22.Qc3 Qd6 23.Ke1 Rhg8 24.Rc1 c6 25.Rg1 a5 26.Rc2 a4 27.Qd2 a3 28.Rc1 e4 29.Qh6 a2 30.Qh7 Rg7 31.Qh5 Kg8 32.Qh6 a1Q 33.Be2 Qb4 34.Kf1 Qbb1 35.Bd1 Qc1 36.Qc1 Qc1 37.Ke1 Ra2 38.de4 Qd2 39.Kf1 Qd1 0–1. COMP – COMP, 2002.

8.Qd3 Ke8 9.a3 Nc6 10.Nf3 Be7 11.Nc3 Bd7 12.Qe3 a5 13.b5 Na7 14.Bd3 Rg8 15.Qh6 Rg2 16.Qh7 Kf8 17.Bg6 Rg6 18.Qg6 Nb5 19.Rg1 Bc5 20.Qh7 Ke8 21.Rg8 Bf8 22.Nh4 Bc6 23.Ng6 Qd6 1–0. COMP – COMP, 2002.

8.Qd3 Ke8 9.b5 Qd6 10.Nc3 Bd7 11.Qh3 Bg7 12.Qh5 Kd8 13.Nf3 Be8 14.Qg4 Qe7 15.Nd4 Bd7 16.Nb3 Bh6 17.a4 Bg7 18.Be2 Bc8 19.0–0 Nd7 20.Rfe1 Ne5 21.Qh3 Ng6 22.Bg4 Qd6 23.Qh5 f5 24.Bf3 d4 25.Nd1 d3 26.Rc1 dc2 27.Rc2 e5 28.Ne3 e4 29.Bd1 Ne7 30.f3 f4 31.Nc4 Qb4 32.Qf7 Bf8 33.Re4 Bd7 34.Nca5 Qa3 35.Nc5 b6 36.Ncb7 Kc8 37.Rc7 Kc7 38.Rc4 Qc5 39.Nc5 bc5 40.Rc5 Kb6 1–0. COMP – COMP, 2002.

8.Qd3 Ke8 9.c3 c5 10.Qb5 Nd7 11.bc5 Bc5 12.d4 Bb6 13.g3 Ba5 14.Ne2 Qb6 15.Qb3 e5 16.Bg2 ed4 17.Bd5 d3 18.Nf4 Nc5 19.Qa3 Bg4 20.Nd2 Qc7 21.0–0 Bb6 22.Rfe1 Kd8 23.c4 Bf5 24.Be6 Bg6 25.Qc3 Qg7 26.Nb3 Re8 27.Qd4 Nd7 28.c5 Bc7 29.Bd7 Qd7 30.Qf6 Kc8 31.Ng6 hg6 32.Qg6 Rd8 33.Rad1 Kb8 34.Re3 Rh8 35.Rdd3 Qh3 36.Re8 Re8 37.Qe8 Qc8 38.Qc8 Kc8 39.f4 a5 40.Rd5 a4 41.Nd4 Ra5 42.Rf5 a3 43.Rf8 Kd7 44.Rf7 Kc8 45.Ne6 Bb8 46.h4 Rb5 47.g4 Ba7 48.Rf8 Kd7 49.Ra8 Ke6 50.Ra7 Rb4 51.Kf2 Rf4 52.Kg3 Rc4 53.Ra3 Rc5 54.g5 Kf5 55.Rf3 Kg6 56.Kg4 Rc4 57.Rf4 Rc6 58.h5 Kg7 59.Rd4 b5 60.Rd7 Kf8 61.h6 Rc4 62.Kh5 Ke8 63.Ra7 Rc2 64.h7 Rh2 65.Kg4 Rh7 66.Rh7 Kf8 1–0. COMP – COMP, 2002.

8.Qd3 Ke8 9.c3 Nc6 10.Qf3 Ne5 11.Qh5 Nf7 12.Nf3 e5 13.d4 ed4 14.Nd4 Qe7 15.Be2 Qe5 16.0–0 Bb4 17.Qe5 fe5 18.cb4 ed4 19.Rd1 Rg8 20.Rd4 Bh3 21.Bf3 c6 22.Kf1 Bf5 23.Nc3 Ng5 24.Re1 Kd8 25.Bd5 cd5 26.Nd5 Ne6 27.Rd2 Ke8 28.Re5 Bg4 29.f3 Rd8 30.fg4 Rf8 31.Ke1 Kf7 32.Rf2 Kg7 33.Re6 Rf2 34.Kf2 Rd5 35.Re7 Kg6 36.a4 Rd4 37.Rb7 Rg4 38.h3 Rf4 39.Ke3 Rf7 40.Rf7 Kf7 41.Kf4 Ke6 42.b5 Kd6 43.a5 Kc5 44.g4 Kb5 45.h4 Ka5 46.g5 Kb4 47.h5 a5 48.g6 hg6 49.hg6 a4 1–0. COMP – COMP, 2002.

8.Qe2 Nc6 9.c3 Bd7 10.d4 Qe8 11.Nf3 Qh5 12.b5 Nd8 13.c4 c6 14.bc6 bc6 15.cd5 cd5 16.Nbd2 Rb8 17.Qe3 Nc6 18.Be2 Qh6 19.Qa3 Kf7 20.Qe3 Rg8 21.0–0 Qg7 22.g3 Bd6 23.Rab1 Nb4 24.a3 Nc2 25.Qd3 Na3 26.Rb8 Rb8 27.Qa6 Ke7 28.Qa7 e5 29.Ra1 Nb5 30.Bb5 Rb5 31.de5 fe5 32.Ra6 Rc5 33.Ra5 Ra5 34.Qa5 e4 35.Ne1 Qd4 36.Nc2 Qc5 37.Qa2 Be5 38.Ne3 Ke6 39.Ne4 1–0. Bendig – Leisebein, corr 1991.

8.Qe3 Qd6 9.a3= Nd7 10.Nf3 Kd8 11.d4 Bg7 12.c4 Re8 13.Be2 e5 14.cd5 f5 15.Qb3 ed4 16.Ng5+= Ne5 17.f4 Qg6 18.Ra2 d3 19.h4 de2–+ 20.fe5 Be5 21.Re2 h6 22.Nf3 Bg3 23.Kd1 Re2 24.Ke2 Bd7 25.Qc3? Bb5 26.Kd1=+ Bf4 27.Nbd2 Kd7 28.Re1 Qg2 29.Qf6 Ba4 30.Kc1 Bd2 31.Nd2 Qd5 32.Re7 Kc8 33.Qf8 Qd8 34.Qf5 Bd7–/+ 35.Qe5 b6 36.Qd5 Rb8 37.Rh7= c6 38.Qd6 Qc7 39.Qd3 a5 40.Rf7 c5 41.b5= (41...Qd8 42.Nc4+=). Nemec,Zdenek – Figiel,Rafal, corr or01–017, 2001.

8.Qe3 Kd7 9.a3 =+.

8.Qe3 Ke8 9.a3 =+.

8.Qe3 Kf7 9.c3 e5 10.Be2 Rg8=+ 11.Bf3 Rg7 12.g3 Nc6 13.Bg2 Ne7 14.d3 Kg8 15.Ne2 c6 16.f4 Nf5 17.Qd2 Qb6 18.Bf3 a5 (19.fe5 fe5 20.ba5 Ra5–/+) 0–1. Nemec,Zdenek – Bendig,Frank, corr or01–017, 2001.

8.Qh4 a5 9.Nf3 =.

8.Qh4 Kf7 9.Qh5 Kg7 10.Qg4 Kf7 11.Qh5 Kg8 12.Qg4 Bg7 13.Qg3 e5 14.d3 Nc6 15.a3 Nd4 16.Ra2 a5 17.c3 Nf5 18.Qf3 d4 19.b5 dc3–/+ 20.Nc3 Nd4 21.Qd5 Be6–+ 22.Qd8 Rd8 23.Rb2 Bf8 24.Nb1 Rd5 25.a4 Bb4 26.Nd2 Rc5 27.Kd1 Ba3 28.Rb1 Ba2 (29.Ne2 Bb1 30.Nb1 Ne2 31.Ke2 Rc2 32.Kf3 Bc5–+) 0–1. Lowry,Paul – Bendig,Frank, corr or01–017 E–mail, 2001.

8.Qh4 Bg7 9.Nf3 Qd6 10.Nc3 Nc6 11.a3 Ne5 12.Ne5 Qe5 13.Be2 c6 14.0–0 Qg5= 15.Qg4 e5 16.Qg5 fg5 17.Rab1 e4 18.Nd1 Rf8 19.d3 Bf5 20.Ne3 Bg6 21.b5 Rab8 22.Rfd1 Bc3 23.d4 Kd6 24.Rb3= Ba5 25.c4 Bf7 26.c5 Kc7 27.Rdb1 Bg6 28.R1b2 h5 29.h3 Be1 30.Bd1 h4 (30...Kd7 31.Re2 Ba5 32.Kf1=) ½–½. Schirmer,M – Hirtreiter,M, corr SOK–89–32, 1989.

8.Qd3 Nc6

9.a3 a5 10.b5 Ne5 11.Qe2 Bd7 12.Nf3 Nc4 13.d3 Nd6 14.c4 dc4 15.dc4 Bh6 16.Nc3 c6 17.bc6 bc6 18.Rd1 Rb8 19.c5 Nf5 20.Qc2 Rg8 21.h3 Bf4 22.g4 Ng7 23.Qh7 Qf8 24.Qe4 Bc7 25.Nd4 Qc8 26.Bg2 Rb2 27.Na4 Ra2 28.Qd3 e5 29.Nc6 Bc6 30.Bc6 Rd8 31.Bd5 f5 32.gf5 Nf5 33.c6 Rd6 34.Qb3 Rd5 35.Qd5 Qe6 36.Qe6 Ke6 37.Nc5 Kf6 38.Ne4 Kg6 39.Rc1 Nd4 40.Nc3 Ra3 41.Nd5 Ne6 42.Rg1 Kh6 43.Rg3 Ra4 44.Rf3 Re4 45.Kf1 Rd4 46.Nc7 Nc7 47.Rf7 Na8 48.Ra7 Rd8 49.Ra5 Nc7 50.Re5 Kg6 51.Re7 Rc8 1–0. COMP – COMP, 2002.

9.a3 Qd6 10.Nc3 Bd7 11.Nf3 Ne5 12.Ne5 Qe5 13.Be2 d4 14.Ne4 Bc6 15.f3 f5 16.Ng3 Bh6 17.0–0–0 Bf4 18.Rde1 Bg3 19.hg3 Rag8 20.g4 fg4 21.b5 Bd7 22.Rh7 Rh7 23.Qh7 Rg7 24.Qh4 Rg5 25.Bd3 Qf6 26.fg4 Ke8 27.Bc4 Kd8 28.Rf1 Qg7 29.Rf7 Qf7 30.Qg5 Qe7 31.Qg8 Be8 32.Kb2 Kd7 33.g5 Qd6 34.g6 Qe7 35.Qh7 a6 36.ba6 ba6 37.Ba6 Kd6 38.g7 Bf7 39.g8Q Bg8 40.Qg8 Qf6 41.g4 Qf4 42.Bc8 Qd2 43.Qe6 Kc5 44.Bb7 Qc3 45.Kb1 Qa3 46.Qe7 Kb6 47.Qa3 Kb7 1–0. COMP – COMP, 2002.

9.Qb3 Qd6 10.c3 a5 11.b5 a4 12.Qd1 Ne5 13.d4 Ng6 14.Nf3 Bd7 15.Nbd2 e5 16.de5 fe5 17.Qc2 Qc5 18.Rb1 Bg7 19.Qb2 e4 20.Nd4 Nf4 21.a3 Kd8 22.g3 Ne6 23.Ne6 Be6 24.b6 c6 25.Qb4 Qb4 26.cb4 Rf8 27.Rd1 Kc8 28.Be2 Bh3 29.Nb1 d4 30.Bf1 Bg4 31.Be2 Bf5 32.Bf1 e3 33.f4 Bc2 34.Rc1 d3 35.Bd3 Bd3 36.Nc3 Bd4 37.b5 Rd8 38.bc6 bc6 39.g4 Kb7 40.Rg1 Bc5 41.Ra1 Bd6 42.Rg2 Bf4 43.Raa2 Rf8 44.Ne2 Be5 45.Rg1 Rad8 46.Ng3 Bc3 47.Kd1 Bb1 48.Kc1 0–1. COMP – COMP, 2002.

9.b5 Qd6 10.Qc3 d4 11.Qb3 Ne5 12.Be2 a6 13.ba6 b6 14.Na3 Ba6 15.Ba6 Ra6 16.Nb5 Qd7 17.0–0–0 c6 18.Na3 d3 19.c3 Bh6 20.Nh3 Rha8 21.Nc4 Qd5 22.Qb4 c5 23.Nb6 Qa2 24.Qc5 Kf7 25.Qc7 Ke8 26.Qe7 Ke7 27.Nc8 Rc8 28.Nf4 Qc2 0–1. COMP – COMP, 2002.

9.b5 Qd6 10.Qc3 d4 11.Qb3 Ne5 12.Be2 Bh6 13.Nh3 Qc5 14.0–0 Bd7 15.a4 Rag8 16.Bf3 Nf3 17.Qf3 Qd5 18.Qd5 ed5 19.Kh1 Bh3 20.gh3 Kd6 21.Ra3 Bf4 22.a5 Kc5 23.a6 ba6 24.ba6 Rb8 25.h4 Rb2 26.Ra5 Kd6 27.Ra4 c5 28.Rc1 Rhb8 29.Na3 Bd2 30.Rd1 Bb4 31.Rc1 Kc6 32.Nb1 Re8 33.Kg1 Re2 34.c3 dc3 35.Nc3 Rf2 36.Nd1 Rg2 37.Kf1 Rh2 38.Nb2 Rh1 39.Ke2 Rc1 40.Nd3 Rc4 41.h5 Rh4 42.Kf3 Kb5 43.Ra2 Rh3 44.Ke2 Rh2 45.Nf2 Bc3 46.Kf3 Bd4 47.h6 c4 48.Kg3 Rf2 49.Rf2 Bf2 50.Kf2 d4 51.Ke2 f5 52.Kd2 0–1. COMP – COMP, 2002.

9.b5 Qd6 10.Ne2 Qe5 11.Qc3 d4 12.Qd3 Nb4 13.Qc4 Ke8 14.d3 Qc5 15.Kd2 e5 16.Qc5 Bc5 17.a3 Nd5 18.c4 dc3 19.Nbc3 Nc3 20.Nc3 Be6 21.g3 Rd8 22.Bg2 Bc4 23.Be4 a6 24.Rhc1 ab5 25.Nb5 Bb5 26.Rc5 Bd3 27.Bd3 e4 28.Rc7 Rd3 29.Kc2 Rd7 30.Rc8 Rd8 31.Rc4 Kf7 32.Re4 Rd7 33.Rae1 Rc8 34.Kb3 Rd3 35.Kb4 Rd2 36.Re7 Kg6 37.R1e2 Rcc2 38.Rd2 Rd2 39.Kc3 Rf2 40.Rb7 Rh2 41.Rd7 Ra2 42.Kb4 Rb2 43.Kc4 Rc2 44.Kb3 Re2 45.Rd3 Kf5 46.a4 Re5 47.Kb4 Re4 48.Kb5 Re5 49.Kb6 Ke4 50.Rc3 Kd4 51.Rf3 Re6 52.Kb5 Re5 53.Kb4 Re6 54.a5 h6 55.Rf1 Kd3 56.Ra1 Re7 57.Rh1 Rh7 58.Rf1 Rf7 59.a6 f5 60.Kc5 Ke4 61.Ra1 Rf8 62.a7 Ra8 63.Kb6 Kf3 64.Rf1 Kg3 65.Rf5 Kg4 66.Rf2 Kg3 67.Rf1 Re8 68.Rh1 Rh8 69.Kb7 Rh7 70.Ka6 Rh8 71.Rg1 Kf4 72.Rb1 Ra8 73.Rh1 Rh8 74.Rf1 Kg4 75.Kb7 h5 76.Rg1 Kf4 77.Rc1 h4 78.Rc8 Rh7 79.Rc7 Rh8 80.Rc4 Kg3 81.Rc8 Rh7 82.Rc7 Rh8 83.Rc3 Kg2 84.Rc8 Rh7 85.Rc7 Rh8 86.Rc2 Kg3 87.Rc4 h3 88.Rc8 Rh7 89.Rc7 Rh8 90.Rc3 Kg2 91.Rc8 Rh7 92.Rc7 Rh8 93.Rc2 Kg3 94.a8R Ra8 95.Ka8 h2 96.Rc1 Kg2 97.Rd1 h1Q 98.Rh1 Kh1 ½–½. COMP – COMP, 2002.

9.c3 a5 10.b5 Ne5 11.Qe3 Bd7 12.d4 Nf7 13.c4 dc4 14.Bc4 Bh6 15.Qh3 Bg5 16.Nc3 Nd6 17.Qd3 Nc4 18.Qc4 Bf4 19.Nf3 Rc8 20.d5 Bd6 21.de6 Be6 22.Qe4 Bb4 23.Rc1 Qd5 24.Qb4 ab4 25.Nd5 Bd5 26.Ke2 Ba2 27.Kd3 Rhd8 28.Nd4 Kf7 29.Rc2 Bd5 30.f3 c5 31.bc6 bc6 32.Rc5 Rg8 33.Nf5 Ke6 34.g4 Bf3 35.Re1 Kd7 36.Re7 Kd8 37.Ra7 Rg5 38.h4 Rg4 39.Nh6 Rh4 40.Nf7 Ke8 41.Nd6 Kd8 42.Nf7 Ke8 43.Nd6 Kd8 44.Nf7 ½–½. COMP – COMP, 2002.

9.c3 e5 10.b5 Na5 11.Qe3 Be6 12.d4 e4 13.Nh3 Rg8 14.Nf4 Qd6 15.c4 Nc4 16.Bc4 dc4 17.Qe4 f5 18.Qe6 Qe6 19.Ne6 Ke6 20.g3 Bg7 21.Na3 Bd4 22.Rd1 Bc3 23.Ke2 a6 24.b6 cb6 25.Nc4 b5 26.Rd6 Ke7 27.Rd3 bc4 28.Rc3 b5 29.Rd1 Rgc8 30.Re3 Kf6 31.Rd6 Kg5 32.f4 Kh5 33.Re5 Re8 34.Kf3 Re5 35.fe5 c3 36.Kf4 Rc8 37.Kf5 Rf8 38.Ke4 Rf2 39.Ra6 Rh2 40.Rc6 b4 41.Rc4 Re2 42.Kf5 Rf2 43.Ke4 Rb2 44.Kf5 Kh6 45.e6 Kg7 46.Rc7 Kf8 47.Rb7 Rf2 48.Ke5 c2 49.Rc7 Ke8 50.g4 Kd8 51.Rc4 Rg2 52.g5 Rh2 53.Kd6 Re2 54.e7 Ke8 55.Rc8 Kf7 56.Rf8 Kg6 57.Rc8 Rd2 58.Ke5 Kg5 59.Rg8 Kh4 60.Rc8 Kg3 61.Ke6 Re2 62.Kf6 Rf2 63.Kg7 Re2 64.Kf7 Rf2 65.Ke6 Re2 ½–½. COMP – COMP, 2002.

8.Qd3 Qd6

9.c3 Nd7 10.Ne2 Kd8 (not finished). Lowry,Paul – Figiel,Rafal, corr or01–017, 2002.

9.c3 Kd8 10.Be2 e5 11.Na3 a5 12.Nb5 Qd7 13.Qg3 ab4 14.Qh4 Be7 15.cb4 Na6 16.Rb1 d4 17.a4 Qc6 18.Qg3 Nb4 19.Qg7 Re8 20.Bf3 Nd3 21.Kf1 Qc2 22.Rd1 c6 23.Qh7 cb5 24.ab5 Be6 25.Be2 Bc4 26.f4 e4 27.f5 Nc1 28.Re1 Ne2 29.Ne2 Be2 30.Re2 Ra1 31.Kf2 Rh1 32.Kg3 Qd3 33.Re3 0–1. COMP – COMP, 2002.

9.c3 Kd8 10.Nf3 e5 11.Qe3 Bd7 12.d4 e4 13.Nfd2 f5 14.Nb3 f4 15.Qe2 Kc8 16.Nc5 Bg7 17.Na3 Rf8 18.Nc2 Bf5 19.g4 Bd7 20.h3 Re8 21.g5 Re7 22.h4 Bf5 23.h5 b6 24.Nb3 Qc6 25.Qd2 e3 26.fe3 Qe6 27.Bg2 fe3 28.Qe2 c6 29.h6 Bh8 30.Rf1 Nd7 31.Rf4 Bg6 32.Rc1 Qd6 33.Rf3 Bh5 34.Ne3 Kc7 35.Kf2 Rae8 36.Qa6 Re3 37.Qa7 Kd8 38.Qa8 Nb8 39.Re3 Re3 40.Kg1 Qg3 41.Na5 ba5 42.g6 Bg6 43.Rf1 Re2 44.Qb8 Qb8 45.Rf8 0–1. COMP – COMP, 2002.

9.Qc3 e5 10.b5 Kd8 11.Nf3 d4 12.Qb2 Be6 13.Be2 Rg8 14.0–0 e4 15.Ne1 f5 16.d3 Qb4 17.Qb4 Bb4 18.a4 a6 19.Na3 Ba3 20.Ra3 ab5 21.de4 fe4 22.Bb5 Rg5 23.Be2 Rga5 24.f3 e3 25.c3 Ra4 26.Ra4 Ra4 27.cd4 Rd4 28.f4 Rd2 29.Bd3 Bg4 30.f5 Nd7 31.Rf4 Nf6 32.h3 Bd1 33.Rd4 Ke7 34.Rb4 b6 35.Bc4 Rd4 36.Rb1 e2 37.Rc1 Rf4 38.Nf3 Ne4 39.Be2 Be2 40.Nd4 Ng3 41.Rc7 Kf6 42.Rc6 Ke5 43.Ne2 Ne2 44.Kh1 Rf5 45.Rb6 Rf2 46.g4 Nd4 47.Kg1 Rd2 48.Rh6 Kf4 49.Rd6 Nf3 50.Kf1 Rd6 51.g5 Rd2 52.g6 Ke3 53.h4 Rf2 0–1. COMP – COMP, 2002.

9.Qc3 e5 10.Nf3 d4 11.Qb2 Kd8 12.a3 Be6 13.Bd3 Rg8 14.Nh4 Qd7 15.0–0 f5 16.g3 e4 17.Be2 f4 18.Bh5 Qd5 19.Bd1 Be7 20.Ng2 Bd6 21.c3 f3 22.Ne1 d3 23.a4 Rg6 24.Kh1 Qh5 25.h4 Qg4 26.Bf3 ef3 27.Kg1 Bg3 28.Qc2 Bh4 29.Ng2 Qg2 0–1. COMP – COMP, 2002.

8.Qh4 Qd6

9.Nc3 Nd7 10.Nf3=+ c6 11.Be2= Kd8 12.a3 Be7 13.Qh6 Rg8 14.Qh7 Rg2=+ 15.Kf1 Nf8 16.Qh8 Rg6 17.Bd3 f5 18.Ne5 Bf6 19.Nf7 Kd7 20.Qf6 Rf6 21.Nd6 Kd6 22.Be2 a5 23.b5 d4 24.Na4= cb5 25.Bb5 Bd7 26.Rb1 Rc8 27.c3+= dc3 28.Nc3 Bc6 29.Bc6 ½–½. Hemzo,Miguel Angelo – Figiel,Rafal, Orang–Utan Invitational, 2001.

9.Nc3 e5 10.Bd3 =+.

9.Ne2!? e5 10.c3 a5!?

9.Ne2!? e5 10.c3 Be6 11.d4 e4 12.Nf4 =.

9.Nf3 e5 10.c3 a5! 11.ba5 Nc6 12.d4 e4 13.Nfd2 Ra5 14.Nb3 Ra7 15.Be2 Kd8 16.N1d2 Be7 =+.

9.Nf3 e5 10.c3 a5! 11.b5 e4 12.Nd4 c5 13.bc6 Nc6 14.Nb5! Qc5 15.d4 ed3 16.Bd3 Ne5 17.Be2 Rg8 18.0–0 =.

9.Nf3= Nd7

10.a3 Kd8 =.

10.Bb5 Ne5 11.Ke2 a5 12.ba5 Ng6 =+.

10.c3 e5 11.g4!? e4 12.Nd4 Ne5 13.Be2 Bg7 14.h3 Ng6 15.Qg3 Qg3 16.fg3 =+.

10.Nc3 c6 11.a3 e5 12.Ne2 Kd8 13.Ng3 Be7 14.Nf5! Qe6 15.Ne7 Qe7 16.Be2 Nf8 17.d4 Ng6 18.Qg3 e4 19.Nh4 Nh4 20.Qh4 Be6 21.0–0 Kd7 =.

10.Nc3 Kd8=+ 11.b5 Be7 12.Be2 c6 13.a4 e5=+ 14.0–0 f5 15.Qg3 Qf6 16.Rfb1 d4 17.bc6 bc6 18.Na2 e4 19.Ne1 Qh6 20.h3 Bh4 21.Qb3 Qd2 22.Kf1 d3 23.cd3 Qf4 24.Nf3 ef3 25.Bf3 Rb8 26.Nb4 Ne5 27.Qc3 Re8 28.Nc6 Nc6 29.Qc6 Rb1 30.Rb1 Qd4 31.Qc2 Ba6 (32.Rb3 Qe5–+) 0–1. Sternik,Ryszard – Figiel,Rafal, corr or01–004 E–mail, 2001.

10.Be2 Kd8=+ 11.c3 e5 12.0–0 Be7 13.Qh6 f5 14.Qd6 Bd6 15.Ng5 Ke7 16.Na3 c6 17.Nc2 e4 18.f4 h6 19.Nh3 Nf6 20.Rfe1–/+ Bd7 21.Rab1 Rag8 22.Ne3 Ng4 23.Nc2 Rg7 24.c4 dc4–/+ 25.Bc4 b5 26.Bf1 Re8 27.a3 Bc7 28.Ne3 a5 29.Ng4 Rg4 30.g3 ab4 31.ab4–+ Bb6 32.Kh1 Ra8 33.Ng1 Ra2 34.Nf3 Rg6 35.d3 Bf2 36.de4 Be1 37.Re1 Rd6 38.e5 Rd5–/+ 39.Bg2 Rb2–+ 40.Kg1 Rb4–/+ 41.Nh4 Rd2–+ 42.Bh3 Rbb2 43.Bf5 Bf5 44.Nf5 Ke6 45.Nh6?? Rg2 (46.Kh1 Rh2 47.Kg1 Rh6–+) 0–1. St_Jean,Benoit – Figiel,Rafal, Orang–Utan Invitational, 2001.

8.Qh4 e5

9.b5 c6 10.Qb4 Ke8 11.Qa4 Rg8 12.g3 Bf5 13.Bg2 Rg4–/+ 14.Qb3 Rb4–+ 15.Qf3 Bc2 16.Qh5? Bg6 17.Qd1 Nd7 (18.Nc3 a6–+; 17...Rb5 18.Nc3 Rb2 19.Nf3–+) 0–1. Lowry,Paul – Nemec,Zdenek, corr or01–017, 2001.

9.b5 Bf5 10.Nf3 =+.

9.Be2 Qd6 10.a3 Rg8 11.g4= h6 12.Nh3 Nc6 13.c3 d4 14.f3 d3 15.Bd1 Qd5 16.Rf1=+ a5 17.Nf2 Kf7 18.g5? Rg5 19.c4? Qd4 20.Qd4 Nd4 21.Nd3 ab4 22.Nf2 Be6 23.d3 ba3 24.Ne4 Rg2 25.Rf2 Bb4 26.Kf1 Rg7 27.Nec3 a2 28.Rfa2 Rag8 29.Kf2 Rg2 30.Ke3 Nf5 31.Ke4 Nd6 32.Ke3 Bc5 33.d4 Bd4 34.Kd3 Bc4# 0–1. Wallace,Gary – Nemec,Zdenek, corr or01–017, 2001.

9.Be2 Bf5 10.c4 =+.

9.Nf3 Kd7 10.Nc3 c6 =.

7.Qe4 Bg7

8.Nc3 d5 9.Qg4 Rg8 10.Nf3 Nd7 11.Bd3 Nf8 12.0–0 e5 13.Bf5 c6 14.Nh4 Be6 15.Be6 Ne6 16.Nf5 Kf8 17.Ng7 Ng7 18.Qh4 h5 19.Ne2 f5 20.Qg3 Qf6 21.d4 Re8 22.de5 Re5 23.Rae1 Ne6 24.Qc3 Qg6 25.g3 Re4 26.b5 Rc4 27.Qa3 Kg7 28.Qa7 f4 29.bc6 fg3 30.fg3 Rc6 31.Qb7 Rc7 32.Qd5 Rc5 33.Nf4 1–0. Cantin – Chranowski, Canada 1989.

8.d4 Nc6 9.b5 f5 10.Qd3 Bd4 11.c3 Nb4 12.Qd1 Bg7 13.Bc4 c6 14.Qb3 Nd5 15.bc6 bc6 16.Nf3 Qa5 17.Bd5 cd5 18.0–0 Ba6 19.Rc1 Rhc8 20.a4 Rab8 21.Qd1 Rb2 22.Nd4 Bh6 23.Rc2 Rc2 24.Qc2 Qc5 25.Nf5 ef5 26.Qf5 Rf8 0–1. Bendig – Schneider, corr 1993–94.

8.d4 Nc6 9.c3 d5 =.

8.Qh4 a5 9.ba5 d6 10.d4 =.

8.Qh4 d5 9.Nf3 Qd6 10.Nc3 Bd7 11.Nb5 Bb5 12.Bb5 c6 13.Be2 Nd7 14.0–0 h5 15.Rfe1+= Nf8 16.Bd3 Kf7 17.Rab1 Ng6 18.Bg6+/– Kg6 19.Nd4 Rae8 20.f4 Bh6 21.Ne6! (21...Re6 22.f5 Kf5 23.Qh3 Kg6 24.Re6+– (24.Qe6?! Qe6 25.Re6 Bd2+=)) 1–0. Jeschke,H – Nussbaum,S, corr, 1995.

8.Qh4 Qf8 9.Nf3 Ke8 10.Nc3 Nc6 11.a3 a6= 12.Bc4 b5 13.Bd3 Bb7 14.Bh7 f5?? 15.Bg6+– (15.Bg6 Qf7 16.Qg3+–) 1–0. dmertz (2065) – pokerpig (2055), net–chess.com, 2005.

4.Qh5 g6

5.Qe5 d6 6.Qh8 Qd7 7.Qg8 1–0. silverback (1880) – rwelsh, net–chess.com, 2006.

5.Qg4?? Nf6–/+ 6.Qf4 Bg7 7.d3 ed3 8.Bd3 0–0 9.Qg3?? Nh5–+ 10.Qe3 Bb2 0–1. erisonpassos – formen24 (1825), kurnik, 2011.

5.Qe5 Nf6

6.Qf6 Qf6 7.Bf6 Rg8 8.Nc3 Bb4 9.Ne4 Nc6 10.Bb5 a6 11.Bc6 bc6 12.Rb1 Be7 13.Be7 Ke7 14.Nf3 a5 15.0–0 h6 16.Ne5 g5 17.d4 d5 18.Nc6 Kd7 19.Nf6 Kc6 20.Ng8 Ba6 21.Rfe1 Kd6 22.Nh6 Rf8 23.f3 Rf4 24.c3 c6 25.Rb8 Bb5 26.Rb7 c5 27.Rb5 cd4 28.cd4 Rd4 29.Nf7 Kc6 30.Ra5 Kb6 31.Ra3 Rd2 32.Ng5 d4 33.Rb3 Kc6 34.Rc1 Kd7 35.Rb7 Kd6 36.Ne4 Ke5 37.Nd2 d3 38.Rc5 Kd4 39.Nb3 Ke3 40.Re5 Kf4 41.Rbb5 d2 42.g3 Kf3 43.Nd2 Kg4 44.Rb4 Kh3 45.Rh5# (45.Rh4#) 1–0. Sopermi (2245) – astral (2025), ajedrez21.com, 2001.

6.Qf6 Qf6 7.Bf6 Rg8 8.Nc3 Bb4 9.Ne4 d5 10.Rb1 (10.Rb1 Be7 11.Be7 Ke7 12.Nc3+–) 1–0. pcmvr (2245) – sagaz (2195), net–chess.com, 2006.

6.Qf6 Qf6 7.Bf6 Rg8 8.Nc3 d5 9.Nb5 Na6 10.a3 c6 11.Nd4 Nc7 12.d3 ed3 13.Bd3 Bd6 14.Ngf3 Rf8 15.Be5 Be5 16.Ne5 Ke7 17.0–0 Bd7 18.f4 Ne8 19.Rf3 Nd6 20.Re1 Rf6 21.Rh3 Rf4 22.Rh7 Nf7 23.Ng6 (23.Ng6 Kd6 24.Nf4+–) 1–0. b4_player – opponent, gamecolony.com, 2007.

6.Qf6 Qf6 7.Bf6 Rg8 8.Nc3 d5 9.Nb5 Na6 10.a3 c6 11.Nd4 Kf7 12.Be5 Nb8 13.Nb3 Nd7 14.Bg3 Bg7 15.Rb1 b6 16.f3 ef3 17.Nf3 h6 18.Bd3 g5 19.0–0 Ke7 20.Nbd4 b5 21.Nc6 Ke8 22.Bg6 Kf8 23.Bd6# 1–0. pierre – ambrouse, internet, 2008.

6.Qf6 Qf6 7.Bf6 Rg8 8.Nc3 Bg7 9.Ne4 d5 10.Bg7 Rg7 11.Nc3 Nc6 12.Bb5 Bd7 13.Bc6 Bc6 14.Nf3 0–0–0 15.b5 Bd7 16.0–0 d4 17.Nd4 e5 18.Nf3 Rf7 19.Ne5 Rf5 20.Rfe1 Rdf8 21.Re2 g5 22.d4 h5 23.Ng6 R5f6 24.Nf8 Rf8 1–0. usingprogram (2020) – invinsul90, kurnik, 2011.

4.e5 Ne4 5.d3 Ng5 6.a3 Nf7 7.d4 d6 8.Nd2 Be7 9.Ngf3 0–0 10.Be2 a5 11.b5 de5 12.Ne5 Ne5 13.de5 c6 14.a4 Qc7 15.Nc4 Rd8 16.Qc1 cb5 17.ab5 b6 18.0–0 Nd7 19.Rd1 Bb7 20.Nd6 Nc5 21.Qf4 Ne4 22.Bc4 Nd6 23.ed6 Bd6 24.Be6 Kh8 25.Qf5 Bh2 26.Kh1 Bf4 27.Rd8 Rd8 28.Re1 Ba8 29.Qg4 Re8 30.c4 a4 31.Re2 Bh6?? 32.Qh5+– Rd8 33.Re5 a3+/– 34.Bc3 a2 35.c5+/– bc5? 36.Ba2+– Qd7 37.Qh6!! 38.Qg5 (38.Qg5 Bg2 39.Kg1 Rd1 40.Be1 Be4 41.Kh2+–) 1–0. Taulien,Hans_Juergen – Sidenko,Anatoly V (2260), MDK Malbork, 2007.

4.e5 Ng8 5.a3+= d5 6.ed6 cd6 7.Bb5 Nc6 8.Qh5 g6 9.Qf3 Nf6 10.Bc6+/– bc6 11.Bf6 Qf6 12.Qc6 Kd8 13.Nc3 Rb8 14.Nge2 Bb7+= 15.Qa4 a6 16.0–0 Ke7 17.b5 ab5 18.Nb5 Kf7 19.Rab1 Qg5 20.Nf4 Qd8 21.Nd4+– (21.Nd4 e5 22.Qa7+–) 1–0. pcmvr (1970) – RONY2001 (1825), internet, 2006.

4.e5 Ng8 5.a3 g6 6.Nf3 Bg7 7.Nc3 Ne7 8.d4 0–0 9.h4 d6 10.h5 Qe8 11.h6 Bh8+= 12.Bc4 Nbc6 13.Qe2 d5 14.Bd3+/– a5 15.b5 Na7 16.a4 Bd7 17.Ng5 Nec8 18.Qd2 Nb6? 19.Ba3+– Nc4 20.Bc4 dc4 21.f4 Nc8 22.Bf8 Qf8 23.d5 Qe7 24.de6 Be6 25.Nd5 Bd5 26.Qd5 Kf8 27.Ne6 Ke8 28.Nc7! Kf8 29.Na8 1–0. pierre – Thi, internet, 2008.

4.ef5 Bb4 5.Be2 0–0 6.fe6 d5=+ 7.Nf3 Be6 8.0–0 Nbd7 9.Re1 Ne4=+ 10.c3 Bc5 11.d4 Bd6 12.Nbd2 Ndf6 13.Bd3= Bg4 14.Qb3 Nd2 15.Nd2 Kh8 16.c4 Bh5 17.h3 c6 18.Ba3 Ba3–/+ 19.Qa3 dc4 20.Nc4 Qd4 21.Ne3 Ne4 22.Be4 Qe4–/+ 23.Rab1 Qf4 24.Kh1 b6 25.Rb3 c5 26.f3 Qg3 27.Rf1 Bf7 28.Rbb1 Be6 29.Ng4 h5 30.Nf2 Bc4 31.Ne4–/+ Qh4 32.Rfe1 Be6 33.Nf2 Rae8–/+ 34.Kg1 Bf5 35.Rbd1 a5 36.Qb3 Qf6 37.Ne4 Be4 38.fe4 Rd8 39.Rf1 Rd1 40.Qd1? Qf1–+ 41.Qf1 Rf1 42.Kf1 b5 43.Ke2 Kg8 44.Kd3 a4 45.g3 b4 46.Kc4? Kf7 (46...Kf7 47.Kd3 Ke6–+) 0–1. Deb,Akash (1915) – Aigner,Michael (2260), Sunnyvale, 2002.

4.ef5 ef5 5.a3 b6 6.d4 Bb7 7.Nf3 Qe7 8.Be2 Bf3 9.gf3 Nc6 10.Nd2 0–0–0=+ 11.c4 g6 12.d5 Ne5 13.0–0 Bg7 14.f4 Neg4 15.h3 Rde8 16.Bg4 fg4 17.hg4 h6 18.Re1+= Qf7 19.Qf3 d6 20.c5 Ne4 21.Re4 Bb2 22.Ra2 Bg7 23.cd6 cd6 24.Rc2 Kb7 25.Nc4+– Qd7 26.Re6! Re6?? 27.de6 Qc6 28.Nd6 (28.Nd6 Kb8 29.Qc6 h5 30.Qb7#) 1–0. Fournier,Frederic – Valica,Slavo, CO1–03 www.b2–b4.com, 2003.

4.ef5 ef5 5.b5 d5 6.Nf3 Bd6 7.c4 0–0 8.Be2 Re8 9.0–0= Kh8 10.Ng5 Qe7=+ 11.Bh5 g6 12.a4? gh5–+ 13.Qh5 Rf8 14.Na3 Kg8 15.Bf6 Rf6 16.Rfe1 Qg7 17.cd5 h6 18.Nf3 f4 19.Nc4 Bg4 20.Qe8 Rf8 21.Qe4 Nd7 22.Nh4 Nf6 23.Qd3 Rae8 24.Na5 b6 25.Nc6 Nd7 26.h3 Bh5 27.Nf5 Qh7 28.Nfe7 Be7 29.Qh7–/+ Kh7 30.Ne7 Nc5 31.Ra3 Rf7 32.Re5 Ree7 33.Rh5 Kg6 34.Rh4 Re1 35.Kh2 h5 36.g4 f3 37.Rh5 Rf1 38.Kg3 Ne4–+ 39.Kh4 Rf2 (39...Rf2 40.Re5 Re2 41.Re6 Kg7–+) 0–1. Zylla,Johannes – Ranby,Hans, corr SOK–92–85, 1992.

4.e5 Nd5

5.a3 a5 6.c4 Nf4 7.g3 Ng6 8.b5 d6 9.ed6 cd6 10.Bg2 Nd7 11.Nf3 e5 12.0–0 Be7 13.d3 0–0 14.Re1 Rb8 15.Nc3 Nb6 16.Nd2 Bg5 17.Rb1 Re8 18.Qc2 Be6 19.Na4?? Na4–+ 20.Qa4 Bd2 21.Re2 Bg5 22.Ree1 b6 23.Qc2 Qc7 24.a4 d5! 25.Rbc1 Bc1 26.Qc1 dc4 27.dc4 e4 28.Bf1 Ne5 29.Qf4 Nf3 (29...Nf3 30.Kh1 Qf4 (30...Ne1 31.Qc7 Bf7 32.Bd4+=) 31.gf4 Ne1–+) 0–1. Hasler,Ulrich (1810) – Blittkowsky,Ralf (1800), IECG, 2001.

5.a3 a5 6.c4 Nf4 7.g3 Ng6 8.b5 d6 9.Nf3 de5 10.Ne5 Ne5 11.Be5 Nd7 12.Qh5 g6 13.Qe2 Ne5 14.Qe5 Rg8 15.Nc3 Bg7 16.Qe2 Bc3 17.dc3 Qf6 18.Rc1 c5 19.Bg2 Ra7 20.0–0 b6 21.Rfd1 Kf7 22.Bc6 Rd8 23.Rd8 Qd8 24.Rd1 Qf6 25.Qd3 e5 26.a4 e4 27.Qd2 g5 28.Qd6 Be6 29.Qb8 Re7 30.Qb6 Qc3 31.Qc5 Qf3? 32.Qd4+– h5 33.Rc1 Qa3 34.Ra1 Qf3 35.c5 Bc8 36.Qd1 Qc3? 37.Rc1 Qa3 38.Qh5 Ke6 39.Qg6 Ke5 40.Qd6# 1–0. Khamatshin,I – Bashkirov,Valentin (2090), St Petersburg White Nights op, 2000.

5.a3 a6 6.c4 Nb6 7.d4 d6 8.Nf3 Nc6 9.ed6 cd6 10.Nc3 Qc7 11.c5 Nd7 12.d5 Nd8 13.de6 Ne6 14.Bc4 Nf4 15.Nd5 Nd5 16.Qd5 Nf6 17.Bf6 1–0. Roggensack – Loch, 1989.

5.a3 a6 6.c4 Ne7 7.d4 b6 8.Be2 Bb7 9.Bf3 Qc8 10.Nh3 g6 11.0–0 Bg7 12.Re1 Nbc6 13.d5 Nd8 14.Nf4 0–0 15.Nc3 g5 16.Nh5 Bh8 17.Qd2 h6 18.Nf6 Rf6 19.ef6 Bf6 20.de6 Ne6? 21.Nd5 Nd5 22.cd5 Bb2 23.de6 Bf3 24.ed7 Qf8 25.Qb2 Bd5 26.Rad1 c6 27.Rd5 cd5 28.Qe5 Rd8 29.Qe8!! Kg7 30.Re7 (30...Kh8 31.Qf8 Rf8 32.Re8+–) 1–0. Rohde,Friedhelm – Ranby,Hans, corr 3GMM½–04, 1998.

5.a3 b6 6.g3 Bb7 7.Nf3 g5 8.Bg2 g4 9.Nh4 Nc6 10.Bd5 ed5 11.f4 gf3 12.Qf3 Qg5 13.e6 d4 14.ed7 Kd7 15.0–0 Bd6 16.Nf5 Rhf8 17.b5 Na5 18.Qd3 Rac8 19.Nd6 Rf1 20.Kf1 cd6 21.c4? Qf6 0–1. Bowers – Kriseler, Colorado 1987.

5.a3 c6 6.Nf3 Be7 7.c4 Nc7 8.Nc3 0–0 9.Be2 d5 10.ed6 Bd6 11.0–0 Qe8 12.c5 Be7 13.Re1 Bf6 14.d4 g5 15.h3 g4 16.hg4 fg4 17.Ne5 Be5 18.de5 h5 19.Ne4 Nd5 20.Nf6 Nf6 21.ef6 Qf7? 22.Bg4 hg4 23.Qg4 Kh8 24.Re3 Qh7 25.f7 (25.f7 e5 26.Be5 Qg7 27.Qg7#) 1–0. pierre – milan58, chesspark.com, 2008.

5.a3 Nc6 6.Nc3 Qe7 7.Nf3 Nc3 8.Bc3 d6 9.ed6 cd6 10.b5 Nd8 11.Be2 Nf7 12.0–0 b6 13.Nd4 Bd7 14.a4 Qh4 15.a5 ba5 16.Bf3 Rb8 17.Bc6 Qe7?? 18.Ra5+– e5 19.Ra7 ed4 20.Rd7 Qg5 21.Ra7 Kd8 22.Ba5 Kc8 23.Bd7# 1–0. dwtu – ebcp, internet, 2009.

5.a3 Nc6 6.c4 Nf4 7.d4 d5 8.g3 Ng6 9.Nc3 dc4 10.Nf3 a6 11.Bc4 b5 12.Bb3 Bb7 13.0–0 Qe7 14.d5 Nce5? 15.Ne5+– Ne5 16.Re1 Qd6 17.Na2 ed5 18.Be5 Qc6 19.Rc1 (19.Rc1 Kd7 20.Rc6 Bc6 21.Bd5+–) 1–0. michaelbuss – goffy, ChessWorld.net, 2005.

5.a3 Be7 6.Nc3 c6 7.Nf3 0–0 8.Bc4 a5 9.b5 Qc7 10.0–0+= Bc5 11.d4 Be7 12.Qd3 b6 13.a4 Nb4 14.Qe2 d5 15.ed6+/– Bd6 16.bc6+– N8c6? 17.Nb5 Qe7 18.Ba3 Bd7 19.c3 Nd5 20.Bd6 Qf6 21.Bf8 Rf8 22.Rfe1 Nf4 23.Qd2 g5 24.h4 h6 25.Bf1 Qg6 26.hg5 hg5 27.g3 g4 28.Nh4 Qh6 29.Qf4 Qf4 30.gf4 Ne7 31.Bc4 Nd5 32.Bd5 ed5 33.Nc7 (33.Nc7 Bc6 34.Re6+–) 1–0. pierre – victoriavi, internet, 2008.

5.a3 Be7 6.Qh5 g6 7.Qh6 Bf8 8.Qh3 Bg7 9.c4 Nb6 10.d4 d6 11.Nf3 Na4 12.Bc3 Nc6 13.b5 Ne7 14.Bd2 de5 15.de5 a6 16.Nc3 Nc3 17.Bc3 ab5 18.cb5 Nd5 19.Bb2 Ra4 20.Nd2 0–0 21.Qb3 Nb6 22.Be2 Qd5 23.Qd5 Nd5 24.Bd1 Ra8 25.0–0 Rd8 26.Nc4 Nf4 27.a4 Nd3 28.Bc3 Rd5 29.f4 Bf8 30.Rf3 Rd8 31.Rb1 b6 32.Be2 Nc5 33.a5 Bb7 34.Rh3 Be4 35.Rf1 ba5 36.Ba5 Nd3 37.Bc7 Bc5 38.Ne3 Ra2 39.Bd8 Re2 40.Rg3 Be3 41.Re3 Re3 42.g3 Re2 43.Rb1 Ne5 0–1. Bendig – Press, 1994.

5.a3 g6 6.Nc3 Nc3 7.Bc3 Bg7 8.Nf3 d5 9.ed6 Bc3 10.dc3 Qd6 11.Bc4 Bd7 12.Qe2 Nc6 13.0–0 0–0–0 14.Rad1 Qe7 15.b5 Nb8 16.a4 b6 17.Ne5+– Rhe8 18.Qf3 Qg7 19.Rfe1 Re7 20.Qa8 Qh6 21.Nc6 Bc6 22.bc6 Rd1 23.Qb7 Kd8 24.Qb8# 1–0. pierre – Tussan, internet, 2008.

5.b5 a6 6.c4 Nb6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Be7 10.g4 0–0= 11.gf5 Rf5 12.Qg4 Qf8=+ 13.Nh3 d5 14.ed6 cd6 15.Bd3 e5–/+ 16.Bf5 Bf5–+ 17.Qg2 Bb1 18.Qb7 N8d7 19.Ke2 Qf5 20.Qf3 Nc5 (20...Nc5 21.Qf5 Bf5–+; 20...Qc2 21.Rb1 Qb1 22.Bc3–+) 0–1. Roever,L – Muehlberg, corr, 1985.

4.e5 Nd5 5.a3 c5

6.c4 Nc7 7.bc5 Bc5 8.d4 ½–½. Schiffler,L – Keller,Hanno, Dyckhoff mem–B corr5456, 1954.

6.c4 Ne7 7.bc5+/– g5 (7...Qa5 8.Nc3+/– Qc5 (8...Nec6 9.d4 b6 10.cb6 ab6 11.Qd2 d5+–) 9.Nb5 Ng6 10.d4 Qb6 11.Nf3 Be7+/–; 7...Ng6 8.d4 b6 (8...Be7 9.Nd2 b6 10.cb6 ab6 11.d5 d6+/–) 9.cb6 ab6 10.Qh5 Be7 11.Be2 0–0+/–) 8.Qh5+– (8.d4 Ng6 9.Qh5 Be7 10.Nd2 b6 11.cb6 ab6+–) 8...Ng6 9.d4 b6 (better is 9...Be7+– 10.Nd2 b6 11.cb6 ab6+–) 10.h4 (better is 10.cb6!? Qb6 (10...Nc6 11.Bc3 Qb6 12.Ne2+–) 11.Bc3 Nc6+–) 10...bc5+/– 11.d5 (11.Nf3 g4+=) 11...Kf7? (better is 11...Bg7!? 12.hg5 d6+/–) 12.hg5+– Bg7 13.g4 (13.Nd2 Na6+–) 13...Qc7 (13...fg4 14.Qg4 ed5 15.Qf5 Ke7 16.Nc3+–) 14.gf5 ef5 15.f4 d6 (15...Kf8 16.Ne2+–) 16.e6 Kg8 17.Bf6 Nc6 18.Ne2 Nd4 19.Nd4 cd4 20.Qf3 Qa5 21.Nd2 Qc3 22.Rb1 Be6 23.de6 Re8 24.Kd1 Bf6 25.gf6 Re6 26.Qb7 Rf6 27.Qd5 Kf8 28.Rb8 Kg7 29.Rb7 Kf8+– 30.Qc6 Ne7 31.Qd7 (31.Qd7 Qe3 32.Qd8 Kf7 33.Qh8+–) 1–0. Schuehler,Ernst – Broemel,Richard, corr, 1981.

6.c4+= Nf4 7.bc5 Bc5 8.d4 Bb6 9.Nf3 0–0 10.Qd2 Ng6 11.Be2 d6 12.ed6+/– Ba5 13.Bc3 Bc3 14.Nc3 Qd6 15.0–0 Bd7 16.c5 Qc7 17.Bc4 Nc6 18.Nb5 Qf4 19.Qf4 Nf4 20.Nd6 Na5 21.Ba2 Rf6 22.Rfe1 Rb8 23.Ne5 Bc6 24.g3 Nd5 25.f4 Rbf8 26.Nc6 bc6 27.Re5 Rb8 28.Rae1 Rff8 29.Re6 Nc3 30.Re7 Na2+/– 31.Ra7 Ra8 32.Rc7 Kh8 33.Ree7 Rf6 34.Rg7 h6 35.Rh7 Kg8 36.g4! Rg6 37.Nf5 Rg4 38.Kh1 Rg6 39.Nh6 Rh6 40.Rh6 Nc3 41.Rch7 Rf8 42.Ra7 Nc4 43.Rg6 Kh8 44.Rc6 Nd5 45.Rh6 Kg8 46.Re6 Rf4 47.Re8 Rf8 48.Rf8 Kf8 49.a4 Ke8 50.a5 Kd8 51.a6 Nc7 52.Rc7 Kc7 53.h4 Ne3 54.h5 Nf5 55.d5 Kb8 56.d6 Nh6 1–0. Van Rooijen,Peter – Bonetti,Shane, Orang–Utan Invitational, 2002.

6.c4+= Nf4 7.bc5 Bc5 8.d4 Be7 9.Ne2 Ng6 10.Nd2 d6 11.ed6 Bd6 12.Qb3 Qe7 13.c5+= Bc7 14.Ng3 0–0 15.Bc4 Nc6 16.0–0 Na5 17.Qb4 b6 18.cb6 Nc4 19.Nc4 ab6 20.Ne5 (20.Rfc1 Qb4 21.ab4 Bb7=) ½–½. Bendig,Frank – Behrendorf, corr Gambit trn, 1993.

6.c4+= Nf4 7.bc5 Bc5 8.d4 Be7 9.Qf3 Ng6 10.c5 +=.

4.e5 Ng4

5.a3 a5 6.Be2 ab4 7.Bg4 fg4 8.Qg4 Nc6 9.Ne2 b6 10.0–0 Ba6 11.d3 b3 12.cb3 Bd3 13.Nd2 h5 14.Qf3 Ba6 15.Rfe1 Be7 16.Ng3 Bg5 17.Nh5 Qe7 18.Ne4 Bh6 19.Rad1 0–0–0 20.Qg4 Nb4 21.ab4 Rdf8 22.Ra1 Bb7 23.b5 Kb8 24.Ba3 Qf7 25.Bf8 Rf8 26.f3 Qe7 27.Nf2 Bd5 28.Qa4 Kc8 29.Ne4 Rf5 30.Neg3 Qc5 31.Kh1 Rf3 32.Ne4 Qe7 33.gf3 Qf7 34.Nhf6 gf6 35.ef6 Qh5 36.Rf1 Bf4 37.Ra2 e5 38.Rg2 d6 39.Qa7 1–0. Bendig – Alberny, corr 1991–93.

5.a3 Nc6 6.d4 (6.d4 a6 7.Be2+=; 6.Be2 Qg5 (< 6...Nge5 7.b5+–) 7.Nf3 Qg6+=). pcmvr (2735) – grotesmurf (2310), net–chess.com, 2007.

5.a3 d5 6.ed6 Qd6 7.Nf3 c5 8.h3 Nf2? 9.Kf2+– cb4 10.d4 Qb6 11.Bc4 ba3 12.Ba3 Ba3 13.Ra3 0–0 14.Re3 Qc6 15.Nbd2 f4 16.Re5 Rf5?? 17.Rf5 (17.Rf5 Qd6 18.Ne4+–) 1–0. Roggensack Hanspach,Peter – Plath, corr ICCF, 1989.

5.h3 Nh6 6.a3 Be7 7.Nf3 0–0 8.d4 a5 9.b5 d5 10.c4 c6 11.a4 b6 12.Nc3 cb5 13.ab5 Bb7 14.Qb3 Bb4 15.0–0–0 Nd7 16.cd5 Bc3 17.Bc3 a4 18.Qb4 Bd5 19.Bc4 Bc4 20.Qc4 Qe8 21.Kb1 Qg6 22.Nh4 Qf7 23.Bb4 Rfc8 24.Qa2 f4 25.Rc1 Nf5 26.Nf5 Qf5 27.Ka1 Kh8 28.Qb1 Qf7 29.Qe4 Nf8 30.Rc6 Nd7 31.Rhc1 Rd8 32.Rc7 g6 33.R1c6 Rab8 34.Bd6 Re8 35.Ra7 Ra8 36.Rb7 Rec8 37.Rcb6 Rc1 38.Ka2 Rac8 39.Rc6 Qe8 40.Qf4 Rc2 41.Kb1 Re2 42.Rcc7 Rc7 43.Rc7 a3 44.Rd7 1–0. Bungo – Hopfer, corr 1991–92.

5.h3 Nh6 6.Nf3 Nf7 7.a3+= g5 8.Bc4 Bg7 9.Qe2 h5 10.d4 g4 11.hg4 hg4 12.Rh8 Nh8 13.Nfd2 Ng6 14.Nc3 c6 15.0–0–0 b5 16.Bb5 cb5 17.Nb5 Bf8 18.d5 Qg5?? 19.de6?? de6?? 20.Nc7+– Kf7 21.Na8 1–0. ramoschessbrasil (2480) – jvanmechelen (2585), net–chess.com, 2011.

3.e4 Qh4

4.d3 fe4=+ 5.g3 Bb4 6.Nd2 Qg5 7.c3 e3 8.f4 Qd5–/+ 9.Ndf3 Ba5 10.Qa4 Nc6 11.Ke2 Nf6 12.Rc1 b5 13.Qb3 Bb6 14.Qd5 ed5 15.Bh3 0–0 16.Ne1 d6 17.Bc8 Rac8 18.d4 Na5 19.Nd3 Nc4 20.Nf3 c5 21.Rc2 Ne4 22.Ba1 a5 23.Rhc1 b4 –+. Grehl,Siegfried – Gross,Wilhelm, corr, 1993.

4.ef5 Qb4 5.Qh5 Kd8 6.Qf7 Ne7 7.Bg7+= Bg7 8.Qg7 Rg8 9.Qc3 Qe4 10.Ne2 Qf5 11.Ng3 Qf4 12.Bd3 Nd5 13.Qb2 Nc6 14.Bh7+= Rf8 15.0–0 Qh6 16.Be4 +=. pcmvr (2785) – jjones (2705), net–chess.com, 2006.

4.ef5+= Qb4 5.Qh5 Kd8 6.Qg5 Ne7 7.Bg7 ½–½. Roggensack,Hanspach P – Dowd, corr, 1989.

4.ef5 Qb4 5.Qh5 g6!?

4.ef5+= Qe4 5.Be2 Qf5 6.Bh5 Kd8 7.Bf3 Nf6 8.Ne2 Bb4=+ 9.Ng3 Qg6 10.0–0 Nc6 11.d4 d5 12.c4 Bd7 13.Qb3 Qf7 14.Nc3 dc4 15.Qc4=+ Bc3 16.Bc3= Nd5 17.Ne4 b6 18.Ng5+= Qe8 19.Ne6!+/– Be6 20.Rae1?? Na5 21.Ba5+= c6 22.Bd5 cd5 23.Qa6 Qc6 24.Bd2 h6 25.Bf4 Bc8 26.Qa3 Re8 27.Rc1 Qg6 28.Bc7 Kd7 29.Be5 Kd8+/– 30.Rc3 Re7 31.Rg3 Qh7 32.Rg7!! Rg7 33.Qf8 Kd7 34.Bg7 Qg6 35.Re1 Kc6 36.Qe8 (36...Qe8 37.Re8+/–; 36.Qd8!? Qc2+–) 1–0. Roggensack–Hanspach – Diener,Rudolf, corr SOK–87–14, 1987.

4.ef5 ef5 5.b5 Nf6 6.Nf3+= Qe4 7.Be2 Bb4 8.Bf6+/– gf6 9.0–0 0–0 10.Nc3 Bc3 11.dc3 d6 12.Re1 Kh8 13.Bd3 Qg4 14.h3 Qg7 15.Nd4 f4 16.Qh5 Qf7?? 17.Qf7 Rf7 18.Re8 Kg7 19.Rc8 (19.Rc8 f5 20.Ne6 Kf6 21.Nc7 Rc7 22.Rc7+–) 1–0. pereira – kbbt, internet, 2009.

3.g3 Nf6

4.a3 a5 5.b5 d5 =.

4.a3= d5 5.Nf3 Be7 6.Bg2 0–0 (6...a5 7.b5=) 7.0–0 c6 (7...c5 8.b5=) 8.d3 (8.Ne5 a5=) 8...a5 9.c3 (9.Qd2 b5=) 9...Bd7 (9...Qd6 10.Nbd2+=) 10.Nbd2= Be8 (10...ab4 11.ab4 Ra1 12.Qa1=) 11.Qc2 (11.Qb3 ab4 12.ab4 Na6=) 11...Bh5 12.Nd4 Qd7 13.e4 (13.f4 c5 14.bc5 Bc5=) 13...b6 (13...fe4 14.de4 e5 15.Nf5+=) 14.Rae1 (better is 14.ef5 ef5 15.Rae1=) 14...c5 (better is 14...fe4!? 15.de4 ab4+=) 15.bc5 (better is 15.ed5 cd4 16.d6+/–) 15...bc5 16.Ne6! Qe6 17.ed5 Qf7 18.d6! Ra7 (18...Bd6 19.Ba8) 19.de7 Re7 20.Nc4 f4? (better is 20...Re1 21.Re1 Re8 22.Re8 Qe8+–) 21.Nd6 (21.Na5?! f3 22.Re7 Qe7+–) 21...Re1 22.Nf7 (22.Re1?! Qd7 23.Qb3 Kh8+–) 22...Re2 23.Nh6 gh6 24.Qb3 Bf7 25.c4 Nbd7 (25...a4 26.Qb5 Nfd7 27.Bc1 fg3 28.hg3+– (28.Qa4?! gh2 29.Kh2 Ne5+–)) 26.Qc3 (26.Bf6 Nf6 27.Qb5 Re5+–) 26...Bg6 (26...Ne5 27.Rb1 fg3 28.hg3+–) 27.Bd5 Kg7 28.Re1 Rfe8 29.Re2 Re2 30.Bc6 Ne5 (30...Kf7+–) 31.gf4 (31.gf4 Rb2 32.fe5 Rb1 33.Kg2+–) 1–0. Windelboe,Werner – Grand,Hans Henri, Aarhus op, 1994.

4.a3 d5 5.Bg2 Be7 6.Nf3 0–0 7.0–0 Qe8 8.d3 Nbd7 9.Nbd2 Qg6 10.Nd4 Nb6 11.c4 Bd7 12.Rc1 f4 13.N2f3 fg3 14.Ne5 (14.hg3 Rac8 15.c5+/–) 14...Qh5–/+ 15.Ndf3 gf2 16.Kh1 (better is 16.Rf2!? dc4 17.dc4–/+) 16...dc4–+ 17.Nd7 Nbd7 18.Rc4 Ng4 19.Qd2?? (19.Rg4 Qg4 20.Rf2–+) 19…Nh2! (19...Nh2 20.Qg5 Bg5 21.Nh2 Qe2 22.Rc7 Rad8–+) 0–1. Panter,B – Peterson,J, BPCF v USA corr, 1987. (=1.a3 e6 2.b4 f5 3.Bb2 Nf6 4.g3 d5 5.Bg2)

4.a3 Be7 5.Nf3 a5 =.

4.a3 Be7 5.Bg2 0–0 6.Nf3 d6 7.0–0 (7.d4 d5=) 7...Nbd7 (7...e5 8.c4=) 8.c4 a5 (8...e5 9.Qc2=) 9.Qb3 (9.d4 e5=) 9...c5 (9...ab4 10.ab4 Ra1 11.Ba1=) 10.ba5 (10.Ng5 e5=) 10...Ra5 (10...Qa5 11.d4=) 11.Nc3 (11.d3 Qb6 12.Nbd2 Qb3 13.Nb3 Ra4=) 11...Ne4 (11...e5 12.Rfb1=) 12.Nb5 (12.d3 Nc3 13.Bc3 Ra8+=) 12...Ra6 (12...e5 13.d3 Nef6 14.Ng5=) 13.d3+= Ng5 (13...Nef6 14.Ng5 Nb6 15.Rab1+=) 14.Ng5 Bg5 15.f4 Bf6 16.e4 (16.e3 Qe7+=) 16...Bb2 (16...fe4 17.de4 Qe7 18.Bf6 Rf6 19.Rad1+=) 17.Qb2 e5 (17...fe4 18.de4 Nb6 19.Qc2+=) 18.fe5 Ne5 19.ef5 Qg5 (19...Nd3 20.Qd2 Ne5+=) 20.Nc7 (20.Bd5 Kh8 21.d4 Qe3 22.Kh1 Nd3+=) 20...Qe3 (20...Nd3 21.Qe2 Ne5 22.Na6 ba6 23.Rad1+–) 21.Qf2 White launches an attack 21...Qf2 22.Rf2 Ra4 (22...Nd3!? 23.Rd2 Bf5+/–) 23.Bd5 Kh8 24.Be4 Ng4 (24...g6 25.f6+/–) 25.Rb2 Bf5 (25...Ne3 26.Bb7 Bf5 27.Re2+–) 26.Bf5 Rf5 27.Rb7 h5 28.Ne8 Ne3 29.Ng7 Ra3 30.Re1 Re5 31.Nh5! Nc4?? (31...Rh5 A deflection 32.Re3) 32.Nf6 (32.dc4 Re1 33.Kg2 Ra2 34.Kh3 Ree2 35.Rb8 Kh7–/+) 32...Re1 33.Kg2 (33.Kg2 Ra2 34.Kh3 Rh2 35.Kh2 Re2 36.Kh3 Rh2 37.Kh2 d5 38.Rh7) 1–0. Rewitz,Poul (2245) – Hoiberg,Nina (2285), Aarhus–B, 1988.

4.a3 Be7 5.Bg2 d5 6.Nf3 =.

4.a3 Be7 5.Bg2 d6 6.d3 0–0 7.Nd2 Nbd7 8.e3 c5 (8...Nb6 9.Ngf3+=) 9.Ne2= Nb6 10.bc5 dc5 11.a4 c4 12.d4 (12.a5 cd3 13.cd3 Nbd5+=) 12...Qc7 (12...Bd7 13.c3 Qe8 14.a5=) 13.Nc3 Bd7 14.a5 Nbd5 15.Nd5 (15.0–0 Bb4 16.Nd5 ed5+=) 15...Nd5 (15...ed5 16.c3–/+) 16.c3= b5 17.ab6 ab6 18.0–0 b5 19.Qe2 (19.Qc2 Ra1 20.Ba1 Rb8=) 19...b4+= 20.Qc4 Qc4 21.Nc4 Bb5 (better is 21...Ra1!? 22.Ra1 bc3+=) 22.Bd5+= ed5 23.Nb6 Rad8 (23...Bf1 24.Na8 bc3 25.Bc3+=) 24.Rfc1+/– Rf6 (24...bc3 25.Bc3 Rf6 26.Ba5+/–) 25.Nd5 Rd5 26.c4 Bc4 27.Rc4 h5 (27...Rd7 28.Ra5+/–) 28.h4 (28.Ra7 Bf8+–) 28...Rg6 (28...Rd7 29.Kf1+/–) 29.Kf1+– Re6 (29...Rd7 30.Ra5 Rf6 31.Rb5+–) 30.Ke2 (30.Ra7 Rb5+–) 30...Rb5 (30...Rd7 31.Ra5 g6 32.Rc8 Kf7 33.Kd3+–) 31.Kd3 g5 (31...b3 32.Rc7+–) 32.hg5 Bg5 33.Kc2 (better is 33.Rc8!? Kf7 34.Kc4+–) 33...h4 34.gh4 Bh4 35.Ra7 Re7 36.Re7 Be7 37.Kb3 Kf7 38.Bc1 Bh4 (38...Ra5 39.Rc6+/–) 39.f3+– Be1 40.Rc2 Rb7 (better is 40...Rb8+–) 41.Bd2 (41.Bb2 Ke6+–) 41...Bf2? (better is 41...Re7+=) 42.Rc5 (42.d5 Bg3+–) 42...Kg6 43.Rc6 Kf7 44.Rh6 Rb8 45.Rh2 Bg3 46.Rh7 Kg6 47.Rd7 (47.Rh3 Bd6+–) 47...Bf2 (47...Re8 48.Kb4 Bf2 49.Rd6 Kf7+/–) 48.e4 (better is 48.d5+–) 48...Kf6?? (better is 48...fe4 49.fe4 Re8+=) 49.e5+– (49.Bb4?! Be1=) 49...Ke6 50.Rd6 Ke7 (50...Kf7 51.d5+–) 51.Bb4 (51.Bb4 Kf7 52.Rf6 Kg7 53.Kc4+–) 1–0. Rewitz,Poul (2205) – Ostersen,Kjeld, Aarhus op, 1991. (=1.g3 f5 2.Bg2 Nf6 3.b4 e6 4.a3 Be7 5.Bb2)

4.b5 a6 5.c4 (5.e3 Be7+=) 5...Bc5 (5...ab5 6.cb5 d5 7.Nf3+=) 6.Bg2 0–0 (6...ab5 7.cb5 d5 8.Nf3+=) 7.Nf3 (7.d4 Bb4 8.Bc3 Qe7=) 7...d5 8.Qc2 (8.d4 Bb4 9.Bc3 Be7 10.ba6 Ra6+=) 8...ab5 (8...Ne4 9.0–0 dc4 10.ba6 Na6 11.Qc4=) 9.cb5= Nbd7 (9...Bd6 10.0–0=) 10.0–0 Bd6 11.a4 e5 (11...f4 12.a5+=) 12.Nh4 (12.a5 e4 13.Nd4 f4+=) 12...g6 (12...f4 13.gf4 ef4 14.Nf5=) 13.d3 (13.d4 e4+=) 13...e4 (13...Qe7 14.Nc3 Qe6 15.a5+=) 14.Nd2 (14.a5 Ne5=) 14...Qe7 15.Nb3 (15.a5 Re8=) 15...Ng4 (15...f4 16.a5+=) 16.a5 (16.h3 Nge5=) 16...Nh2 (16...g5 17.de4 gh4 18.ed5 hg3 19.hg3–+) 17.Nf5 (worse is 17.Kh2 Qh4 18.Kg1 Qh5–/+) 17...gf5 (17...Rf5 18.Kh2) 18.Kh2 f4 19.Kg1 Qg5 20.de4= fg3 21.fg3 Qe3+= ½–½. Milde,Lars (1890) – Bonetti,Shane (1990), TT–12.36 ETC, 2004.

4.b5 Bc5 5.Bg2 0–0 6.c4 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 d5 10.cd5 ed5 11.e3 c6 12.bc6 bc6 13.Ne2 Nbd7 14.0–0 Ne5?? (better is 14...Ba6=) 15.Be5+– Ne4 16.d4 Bd6 17.Bd6 Qd6 18.Qc2 Ba6 19.Rc1 Rf6 20.Nf4 g5 21.Nh3 h6 22.f3 g4 (22...Ng3 23.hg3 Qg3 24.Nd2+–) 23.fg4 (better is 23.fe4 gh3 24.e5 Qe7 25.Bh3 Rf7 26.Qc6 Qg5+–) 23...fg4 24.Be4 gh3 25.Bd3 Bc8 26.Qe2 Qe6 27.Rf1 Rf1 28.Kf1 Qg4 29.Qg4 Bg4 30.Nc3 Kf7 31.Na4 Ke6 32.Nc5 Kd6 33.Be2 Bf5 34.Kf2 1–0. Bormann,Hugo – Lauer,Frederic, ZN–2011–0–01691, 2011.

4.b5 Be7 5.c4 (5.Nf3 0–0=) 5...0–0 6.Bg2 c6 (6...a6 7.Nc3 d5 8.Nf3+=) 7.Nc3= d5 8.bc6 bc6 9.Nf3 Na6 10.–0 Rb8 11.Rb1 Bd6 12.cd5 cd5 13.Ba1 Bd7 14.d3 (14.Rb8 Qb8 15.d4 Qc7=) 14...Rb1+= 15.Qb1 Qa5 16.Rc1 Rb8 17.Qc2 Rc8 (17...Nb4 18.Qd2+=) 18.Bb2 e5 19.d4 ed4 (19...e4 20.Ne5=) 20.Nd4+= Ne4 21.Nb3 Qb6 22.Be4 de4 (worse is 22...fe4 23.Qd2 e3 24.fe3+/–) 23.Qd2 Be6 24.Nd5 Rc1 25.Nc1 Qc6? (better is 25...Qb8!?=) 26.Qg5+/– Qb7 27.Qd8 (better is 27.Nf6!? Kh8 28.Qh5+/–) 27...Bf8= 28.Nf4 (28.Ba3 Qb8 29.Ne7 Kh8=) 28...Qb2 (28...Bf7 29.Nb3=) 29.Ne6 Qc1 30.Kg2 Qa3 31.Qd5 (better is 31.Qc8=) 31...Qd6–/+ 32.Qc4 Nb4 33.a3?? (better is 33.Nf8 Kf8 34.Qc8 Ke7 35.Qf5–/+) 33...Qd5 (better is 33...Qc6 34.Qb3 Qd5–+) 34.Qc8= e3 (34...Qd6!?=) 35.f3+/– Qd6 36.ab4 (worse is 36.Qf8 Qf8 37.Nf8 Nc2–/+ (worse is 37...Kf8 38.ab4 Kf7 39.b5–+); 36.Nf8?! Qa6 37.Qa6 Na6+/–) 36...Qb4 37.Ng5 Qb3? (better is 37...g6+=) 38.Qf5+– g6 (38...Be7 39.Qh7 Kf8 40.Qf5 Bf6 41.Nh7 Ke7 42.Nf6 gf6 43.Qc5 Ke6 44.Qa7+–) 39.Qd7 Bg7 40.Ne6 Bf8 41.f4 a5 (41...Qb4 42.Kf3 a5 43.Ng5+–) 42.Ng5 Bg7 (42...Bb4 43.Qh7 Kf8 44.Qh6 Ke7 45.Qg7 Kd8 46.Qg6 Qd5 47.Kh3+–) 43.g4 a4 44.Qe8 (44.Kh3 a3 45.Qe7 h6 46.Qe8 Bf8 47.Qg6 Bg7+–) 44...Bf8 45.Ne6 (45.Kh3 a3 46.Qd7+–) 45...Qb4?? (better is 45...Qb7 46.Kg3 Qf7=) 46.Nf8+– Qf8 47.Qa4 Qe7 48.Qc4 Kg7 49.Qd4 Kg8 50.Qd5 White prepares the advance g5 50...Kf8 51.g5 Qc7 52.Qd4 Qc6 53.Kg3 Qc1 (53...Kf7 54.Qh8+–) 54.Qh8 Kf7 55.Qh7 Kf8 56.Qh8 (worse is 56.Qg6 Qg1 57.Kf3 Qf1 58.Ke3 Qg1 59.Kd2 Qd4 60.Kc2 Qc4 61.Kd1 Qa4 62.Qc2 Qf4 63.Qc8 Kg7 64.Qd7 Kg6+–) 56...Kf7 (56...Ke7 57.Qf6 Kd7+–) 57.Qf6 Kg8 58.Qg6 Kh8 59.Qf6 Kg8 60.Qe6 Kh8 (60...Kg7 61.Kg4 Qd2 62.Qa6+–) 61.Qe5 Kh7 62.Kg4 Qg1 (62...Qd2 63.Qc7 Kg8 64.Qc4 Kf8+–) 63.Kf5 Qb1 64.Qe4 Qb8 65.Kg4 Kg8 66.f5 Kh8 67.Qd4 Kg8 68.g6 Qe8 (68...Qa8 69.Kh5 Qf8 70.Kg5 Qe7 71.f6 Kf8 72.fe7 Ke7 73.Qb6 Kf8 74.Qa7 Kg8 75.h4 Kf8 76.Qf7) 69.Kg5 Qf8 (69...Kf8 70.f6 Qb5 71.Kh6 Ke8 72.f7 Ke7 73.f8Q Kf8 74.Qd8 Qe8 75.Qf6 Kg8 76.Qg7) 70.Qc4 Kh8 (70...Kg7 71.Qc7 Qe7 72.f6 Kg8 73.Qe7 Kh8 74.Qh7) 71.Qh4 Kg7 (71...Qh6 72.Kh6 Kg8 73.Qd8) 72.Qh7 1–0. Bosboom,Manuel (2420) – Van Zutphen,Jimmy (2165), Amsterdam NED, Science Park Open, 2014. (=1.g3 f5 2.b4 Nf6 3.Bb2 e6)

3.g4? fg4–/+

4.e3 Nf6 5.a3 (5.b5 a6 6.h3 g3 7.fg3 d5–/+) 5...d6 (5...Bd6 6.Nc3 Nc6 7.Nb5–/+) 6.d4 (6.h3!? g3 7.fg3+=) 6...d5–/+ 7.Bd3 Bd6 8.Nd2 Nbd7 (8...a5 9.b5 0–0 10.c4–+) 9.c4–/+ 0–0 (9...c6!?–/+) 10.c5+= Be7 11.a4 (11.Ne2 Nh5+=) 11...Qe8 (11...a5 12.b5–/+) 12.h3 (12.Ne2 a5 13.b5 Nh5–/+) 12...Qh5 (better is 12...g3 13.fg3 a5–/+) 13.Qe2?? (13.Ne2 Qh4 14.Nf4–/+) 13...Qh4 (13...e5!? 14.Nf1 e4 15.Bc2–+) 14.0–0–0 c6 15.f3 g3 16.Qg2 b6 17.Ne2–/+ a5 18.Ng3? ab4–+ 19.Rhg1 Qh6 20.f4 bc5 21.f5 Nb6 22.fe6 Be6 23.Bf5 Bf7 24.Bd7 Bg6 25.Be6 Kh8 26.Bf5 c4 (26...c4 27.Bg6 hg6–+; 26...Qe3?! 27.Bg6 hg6 28.Nf5=) 0–1. Dumontelle,Joe – Des Ormeaux,Luc, 1980.

4.e3 Qg5 5.h3 gh3 6.Nh3 Qd8?? 7.Rg1?? Nf6=+ 8.a3 g6 9.d4 Bh6 10.c4 0–0 11.Bd3 d5 12.Qc2 Qe7 13.Nc3 Nh5?? 14.0–0–0?? Rf6 15.f4 Rf8? 16.cd5 Bg7 17.Ng5 Bf6?? 18.de6 Bg5 19.Rg5 Qe6 20.Nb5 Na6?? 21.Bc4+– c6 22.Be6 Be6 23.Rdg1 cb5 24.Kb1 Bf5 25.e4 Rac8 26.Qb3 Rc4 27.ef5 Nf4 28.fg6 Ng6 29.Rg6 hg6 30.Rg6 Kh7 31.Rg1 Rf6 32.d5 Rd6 33.Qh3 Rh6 34.Rg7 Kh8 35.Qh6 1–0. kinderchocolate (2165) – rak (2025), net–chess.com, 2011.

2...Nf6

3.a3 a5 4.b5 b6 5.e3 Bb7 6.d4 e6 7.Nf3 Be7 8.c4 0–0 9.Nc3 (9.Bd3 c6=) 9...d6 (9...Ra7 10.Be2=) 10.d5+= e5 11.Ng5 (11.Be2 Nbd7+=) 11...Bc8 12.Ne6 Be6 13.de6 Ra7 (13...Ng4 14.Bd3+=) 14.Qc2 (14.Qf3 Ng4+=) 14...g6 15.Rd1 (15.Nd5!?+=) 15...Qc8= 16.Nd5 Re8 (16...Qe6 17.Be2=) 17.Be2 Kg7 (17...Qe6 18.0–0=) 18.Nf6 (18.f4 Qe6 19.fe5 de5=) 18...Bf6 19.g4 Qe6 20.gf5 gf5 21.e4 fe4 22.Qe4 (22.Rg1 Kh8=) 22...Kh8 23.Rg1 Nd7 (23...Rg8 24.Bg4 Qf7 25.Bc1=) 24.Bg4 Qf7 25.Bd7 Qd7 26.Rd3 Raa8 (26...Qf7 27.f4=) 27.Rdg3 (27.f4 Qf7 28.Re3 Rad8=) 27...Qe6 (27...Qf7 28.Bc1=) 28.Bc1 (28.R3g2 Qf7=) 28...Rg8 29.Rg8 (29.Be3 Raf8+=) 29...Rg8+= 30.Rg8 (30.Rg3 Qf7+=) 30...Qg8–/+ 31.Be3 Qg6 (31...Qg1 32.Kd2–/+) 32.Qc6 (32.Qa8 Kg7–/+) 32...Qf7 (32...Qb1 33.Ke2 Qc2 34.Bd2+=) 33.Bh6 (33.Bb6 cb6 34.Qd6 e4 35.Qb6 Bc3 36.Kf1 Qc4 37.Kg2 Qg8 38.Kh1 Qf8–+) 33...Bh4 34.Qa8 (34.Be3 h6+=) 34...Qg8–/+ 35.Qf3 Be7 36.Qc6 Bh4 (36...Qd8 37.f4+=) 37.Qf3= ½–½. Baer,Werner – Lertora,Lucio, SEV, 2001.

3.a3 a6 4.f4 Nc6 5.Nf3 d5 6.e3 e6 7.c4 Bd6 8.cd5 ed5 9.Be2 0–0 10.0–0 Ne4 11.Nc3 Ne7 12.d3 Nf6 13.Qb3 Ng6? 14.Nd5+– Nd5 15.Qd5 Kh8 16.Ne5 Qe7 17.d4 Be6? 18.Qb7+– Rfb8 19.Qc6 Rb6 20.Qa8 Nf8 21.Bf3 h6 22.Qf8! Qf8 23.Ng6 (23.Ng6 Kg8 24.Nf8 Kf8 25.d5+–) 1–0. bananinha (1710) – baovn21, kurnik, 2011.

3.a3 b6 4.e3 Bb7 5.Bf6 gf6?? (better is 5...ef6 6.Nf3 f4=) 6.Qh5 1–0. Wall,Bill – FVC, chess.com, 2009.

3.a3 c6 4.d4 (4.Nf3 d6=) 4...d5 (4...a5 5.b5=) 5.Nf3 Nbd7 (5...a5 6.e3=) 6.e3 h6 (6...e6 7.c4+=) 7.Ne5+= e6 (7...Rg8+=) 8.Nd7 (8.Ng6!? Rg8 9.Nf8 Rf8 10.Bd3+=) 8...Bd7 (8...Qd7 9.c4=) 9.c4 Bd6 (9...a5 10.c5=) 10.c5 Bc7 11.Nd2 0–0 12.Be2 (12.Bd3 b6=) 12...Qe7 (12...b5 13.a4=) 13.Nf3+= Be8 14.Nh4 (14.Ne5 Nd7+=) 14...g5 (14...Ne4 15.Nf3=) 15.Nf3+= Ne4 (15...Bh5 16.0–0+=) 16.Bd3 (16.Ne5 g4+=) 16...g4 (16...Bh5 17.0–0=) 17.Nd2 (17.Ne5 Rd8+=) 17...Qh4= Do you see the mate threat? 18.0–0?? (better is 18.g3 Qh5 19.h3=) 18...Qh2 0–1. michas – Gaudissimo (1710), internet, 2007.

3.a3 d5 4.e3 Qd6 5.c4 dc4 6.Bc4 Nc6 7.Nf3 Be6 8.Be6 Qe6 9.0–0 0–0–0 10.d4 g5 (10...Qc4 11.Nc3+/–) 11.Qa4 (11.Qc2 g4 12.Ng5+–) 11...Nd5 (11...g4!? 12.Nh4 g3 13.hg3 a6+/–) 12.Ng5 (12.b5!? Nb6 13.Qc2 Qe4+–) 12...Qg6+/– 13.Nf3 Rg8 14.g3 h5? (better is 14...a6+/–) 15.h4?? (better is 15.b5 Nb8 16.Qa7+–) 15...Qg4 16.Kg2?? (16.Ne5 Ne5 17.de5 Ne3 18.Re1–+) 16...f4 17.ef4?? (17.Qc2–+) 17...Nf4 18.Kh2 Qf3 19.Rg1 Qf2 20.Kh1 Qf3 21.Kh2 Qf2 22.Kh1 Ne2 23.Rg2 Ng3 24.Kh2 Nf1 25.Kh1 Qg2# 0–1. Slavisa2 – mmmm, Live Game Caissa's Web, 2004.

3.a3 d6 4.Nf3 =.

3.a4 e6 4.Ra3 b6 5.h4? Bb4–/+ 6.h5? Ba3–+ 7.Na3 0–0 8.h6 g6 9.Qa1 d5 10.Nf3 Bb7 11.Nb5 Nbd7 12.Ne5 Ne5 13.Be5 c6 14.Nd4? Qe7–+ 15.Nf3 c5 16.e3 Rad8 17.Rg1 Ng4 18.Bg7 Rf7 19.a5 Nf6 20.ab6 ab6 21.g4? Ng4 22.Bh3 Nf6 23.Ne5 Rg7 24.hg7 Kg7 25.c4 dc4 26.Bg2 Bg2 27.Rg2 Qd6 28.Nc4 Qd3 29.Qa6 Qb1 30.Ke2 b5 31.Ne5 Qe4 32.Qa7 Nd7 33.Nd7 Qg2 34.Nc5 Kf6 35.Qc7?? Qd5 36.d4 b4 37.Qh7 b3 38.Qh4 Kg7 39.Qe7 Kg8 40.Ne6 b2?? 41.Qg7 1–0. xtom – jbjovy (1765), kurnik, 2011.

3.b5 a6 4.a4 (4.e3 d5=) 4...ab5 5.ab5 Ra1 6.Ba1 d6 7.e3 (7.Nf3 e5=) 7...e5 8.d4 ed4 (8...e4 9.d5=) 9.Bd4 f4 (9...Be7!?=) 10.ef4+/– c5 (10...Qe7 11.Ne2+/–) 11.Qe2 (11.bc6 Qe7 12.Be2 bc6+/–) 11...Qe7 12.Bf6 gf6 13.Qe7 Be7 14.Bc4 Nd7 (14...Bf5 15.Kd2 Be4 16.f3+/–) 15.Nc3 (15.Be6 b6+/–) 15...Nb6 16.Ba2 (16.Bd5 Nd5 17.Nd5 Rg8+=) 16...c4 17.Nf3 Rg8 (17...d5 18.Nd4+=) 18.g3 (18.Rg1 Rg4+=) 18...d5 19.0–0 (19.Kd2 Bc5 20.Re1 Kd8 21.Nd5 Nd5 22.Bc4 Bb4 23.Kd1 Nc3 (23...Be1 24.Bd5 Re8 25.Ne1+/–) 24.Kc1 Rg7–/+) 19...Bb4= 20.Ne2 (20.Re1 Kd7 21.Re3 Re8+=) 20...Kf7 (20...Bg4 21.Ned4=) 21.Ned4 (21.Rb1 Re8 22.Nfd4 Bc5=) 21...Na4 (21...Bg4 22.Ra1+=) 22.Ra1 (22.f5!?+=) 22...Nc3 23.Bb1 (23.Nh4 Bg4 (23...Na2 24.Ra2 Bc5 25.Nhf3+=) 24.b6 Ra8–+) 23...Re8 (23...Bd7!?+=) 24.f5 Bc5 25.Kg2 Bd7 (25...Bd7 26.h4 Re4–/+ (26...Nb5 27.Nb5 Bb5 28.Ra5+/–; 26...Bb5 27.Nb5 Nb5 28.Ra5+/–)) 0–1. Howes,Tony – Bertel,Michael (1765), TE.2004.P.01713, 2004.

3.b5 c6 4.e3 Qa5 (4...d6 5.f4=) 5.a4 g6 6.Bc3 Qb6 7.a5 Qc5 8.Bd4 Qd6 9.Na3 Bh6 10.Qf3 Rf8 11.Bd3 Qb4 12.Nc4 Ne4? (better is 12...Kd8+/–) 13.c3+– (13.Be4?! fe4 14.Qh3 A) worse is 14...cb5 15.Ne5+– (15.Qh6?! Qc4 16.Qh7 Qe6+=); B) worse is 14...Qb5 15.Qh6 Qc4 16.Qh7+=; C) 14...Qc4 15.Qh6 Qf7+= (worse is 15...Qc2 16.Qh7 d6 17.Ne2+/–)) 13...Qb2?? (13...Qb3+–) 14.Nb2 Rf6 (14...c5 15.Be5 d6 16.Be4 fe4 17.Qe4 de5 18.a6+–) 15.Qh3 d5 16.Qh6 (16.Bf6 Nf6 17.Qh6 e5+–) 16...Nd7 17.Nf3 cb5 18.Bb5 a6 19.Bd7 Bd7 20.Qh7 Rc8 21.Bf6 ef6 22.Qg6 Ke7 23.Qg7 Ke6 24.Nd4 Ke5 25.Qe7 (25.Qe7 Be6 26.Qe6) 1–0. Taulien,Hans_Juergen (2350) – Fdgdfgdf,Dfgdfgdf (2000), remoteschach.de, 2003.

3.b5 d5 4.e3 e6 5.Nf3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3 Nf6 5.b5).

3.b5 d6 4.d4 Nbd7 5.c4 e5 6.de5 de5 7.Nf3 Bc5 8.Ne5? Bb4–+ 9.Nd2? Ne5 10.Be5 0–0 11.e3?? Be6?? 12.Be2?? Qe7?? 13.Bf6 Qf6 14.Rb1 Ba5 15.0–0? Rfd8 16.Qa4 Bd2 17.Rfd1 Bc3 18.Bf3 Rdb8 19.Bd5 Bd5 20.Rd5 Rd8 21.Rbd1 Rd5 22.Rd5 h6 23.Qb3 Ba5 24.c5 Kh8 25.g3 c6 26.Rd7 cb5 27.Qb5 b6 28.c6 Rc8 29.c7 Qc3?? 30.Rd8+– Rd8 31.cd8Q Kh7 32.Qf5 g6 33.Qe7 Qg7+– 34.Qff6 Qe7 35.Qe7 Kg8 36.Qe8 Kg7 37.Qe7 Kh8?? 38.Qf8 Kh7 39.Qf7 Kh8 40.Qf8 Kh7 41.Qf7 Kh8 42.Qf8 ½–½. iczker – iwan707 (1720), kurnik, 2011.

3.Nc3 e6 4.Nf3 Bb4 5.Ne5 d6 6.Nc4 0–0 7.e4 (7.e3!?–/+) 7...Bc3 8.Bc3 Ne4 9.Bd3 (9.Bb2 e5–+) 9...Nc3 10.dc3 e5 11.0–0 e4 12.Be4 (12.Be2–+) 12...fe4 13.Qd4 (13.Qd5 Kh8–+) 13...Nc6 14.Qe4 (14.Qd5 Kh8 15.Rae1 Re8–+) 14...Bf5 (better is 14...d5 15.Qe2 dc4 16.Qc4 Kh8 17.Rae1–+) 15.Qe3 (15.Qd5 Kh8–+) 15...Bc2 16.Qe6 Kh8 17.Rae1 (17.Ne3 Bg6–+) 17...Qf6 (better is 17...Bd3 18.Ne3–+) 18.Qf6 Rf6 19.Ne3 (19.Re3 Bg6 20.Nd2 Raf8–+) 19...Bg6 (better is 19...Bd3 20.Nd5 Rf7 21.Re6 Bf1 22.Kf1–+) 20.Nd5 Bd3 (20...Rf7 21.f3–+) 21.Nf6 gf6 22.f4 Bf1 23.Rf1 Re8 24.f5 (24.Rb1 b6 25.Kf2 Re4–+) 24...Re2 25.h4 (25.Rf2 Re1 26.Rf1 Rf1 27.Kf1 Ne7–+) 25...Ra2 26.h5 (26.Rb1 b6 27.Re1 Ne5–+) 26...Rc2 27.h6 Kg8 (27...Rc3 28.Re1 Ne5 29.Kf1–+) 28.Re1 (28.Rf3 Ne7–+) 28...Kf7 29.Kh2 Rc3 30.Re6 (30.Ra1 a6–+) 30...Ne5 31.Re5 (31.Kg1 a5 32.Kf2 a4–+) 31...de5 32.g3 e4 (better is 32...Rg3! 33.Kg3 Ke7 34.Kf3–+) 33.g4 Rf3 34.g5 Rf5 35.g6 Kg6 36.Kg3 e3 37.Kh4 e2 38.Kg4 e1Q 39.Kh3 Qg1 40.Kh4 Rh5 0–1. interloper – mckenna215, ChessWorld.net, 2015.

3.c4 b5 4.Bf6 ef6= 5.c5? a5–/+ 6.e3 ab4 7.Bb5 c6 8.Bd3 d5 9.Qc2 Na6 10.Ba6 Ba6 11.d4 g6 12.Ne2 Qa5 13.0–0 b3 14.Qb2=+ Be2 15.Qe2 ba2 16.Nd2 Bh6 17.Rfc1 0–0 18.Rc2 Qb4 19.Rca2+= Ra2 20.Ra2 Rb8 21.g3 Qb7 22.Ra6 Qc7 23.Qd1 Rb4 24.Qa1 Bf8 25.Qa3 Rb5 26.Nb3 Qb7 27.Nd2 h5 28.Nf3?? Rb1–+ 29.Kg2 g5?? 30.h3?? Qb5–+ 31.Nd2 Rd1 32.Rb6 Qe2 33.Rb8 Rd2 34.Rf8 Kf8 35.Qa8 Kg7 36.Qb7 Kg6 (36...Kg6 37.Qf7 Kf7 38.h4 Qf2 39.Kh3 Qf1#) 0–1. Baer,Cy (1895) – Rheindt,Stefan (2015), RSS4D easy–37, 2007.

3.c4 b6 4.e3 Bb7 5.Nf3 g6 6.Be2 Bg7 7.d4 0–0 8.0–0 d6 9.Nc3 a6 10.a4 Nbd7 11.h3 Qe8 12.a5 e5 13.ab6 Nb6 14.de5 de5 15.Na4 Ne4 16.Nc5 Nc5 17.bc5 Nd7 18.Ba3 Bc6 19.Rc1 Rf7 20.Nd2 Bf8 21.Bf3 e4 22.Be2 Bc5 23.Bc5 Nc5 24.Qc2 Qe5 25.g3 Rd7 26.Nb3 Rb8?? 27.Nd4 Ba4 28.Qc3 Nb3 29.Rb1 c5 30.Nb5 Qc3 31.Nc3 Bc6 32.Bd1 Rdb7 33.Bc2 Nd2 34.Rb7 Rb7 35.Rd1 Nc4 36.Rd6 Bb5 37.Nb5 ab5 38.Rc6 Na3 39.Bd1? c4 40.h4 b4 41.h5 b3 42.h6 b2 43.Bb3 Rb3 44.Rc8 Kf7 45.Rc7 Kf6 46.Rc6 Kg5 47.f4 ef3 (47...ef3 48.Rd6 b1R 49.Kf2 R3b2 50.Rd2 Rd2 51.Kf3 Rf1; 47...Kg4 48.Kg2 b1Q 49.Rg6 hg6 50.h7 Rb2) 0–1. nizinna (1645) – profix (1685), kurnik, 2011.

3.c4 c6 4.d4 d5 5.c5 e6 6.Nf3 a5 7.ba5 Qa5 8.Bc3 Qc7 9.Nbd2 Nbd7 10.a4 Be7 11.Qb3 0–0 12.a5 Ne4 13.Ne4 fe4 14.Nd2 Bc5?? 15.dc5+/– Nc5 16.Qc2 Nd7 17.e3 Ne5 18.Be2 Bd7? 19.0–0 Ng6 20.Nb3 e5 21.Nc5 Rab8 22.Nd7 Qd7 23.Rfb1 Qf5 24.Bf1 d4? 25.ed4 ed4 26.Bd4 e3 27.Qf5 Rf5 28.Be3 Ne5 29.h3 Rff8 30.Rb6 Nc4 31.Rb3 Ne3 32.Re3 Rfc8 33.Re7 c5 34.Bc4 Kf8 35.Rf7 Ke8 36.Re1 Kd8 37.Ree7 Rc6 38.Rg7 Rf6 39.Rh7 Rf8 40.Rd7 Kc8 41.Be6 Re8 42.Rb7 Re6+– 43.Rb8 Kb8 44.a6! Rc6 45.Rb7 Ka8 46.Rb5 c4 47.Rb2 c3 48.Rc2 Ka7 49.g4 Ka6 50.Kg2 Kb5+= 51.Kg3 Kb4 52.f4 Kb3 53.Rc1 c2 54.g5 Kb2 55.Rc2 Kc2 56.Kg4 Kd3 57.h4 Ke4–/+ 58.h5?? Rc2 59.h6 Rh2 60.g6?? Rg2–+ 61.Kh5 Kf5 62.Kh4 Rg6 63.Kh5 Rg2 64.Kh4 Kf4 65.Kh5 Rh2 66.Kg6= Rg2 67.Kh7?? Kf5–+ 68.Kh8 Kf6 69.h7 Rb2 70.Kg8 Rb8 0–1. poganinbezdom – andi2008, kurnik, 2011.

3.d3 d5 4.Nd2 (4.Nf3 e6 5.a3 c5=) 4...Nbd7+= 5.Ngf3 e5 6.Ne5 Ne5 7.Be5 Bb4 8.Bb2 (8.c3 Bd6 9.Qa4 c6+=) 8...0–0–/+ 9.g3 c6 10.Bg2 Qc7 (10...Re8 11.c3 Bc5 12.0–0+=) 11.e3 b6 (11...Be6 12.0–0+=) 12.0–0 Ba6 (12...Be6 13.a3 Bc5 14.Nb3=) 13.a3= Bd6 14.Qf3 Rae8 15.Nb3 (15.c4 f4 16.gf4 Qf7=) 15...Be5 (15...Ng4 16.Rfb1=) 16.Be5 Re5 17.Rfc1 g6 (17...Bc8 18.d4 Re7 19.c4=) 18.Qf4 Rfe8 19.Bf1 (19.Rcb1 Bb5=) 19...R5e7 20.Qa4 Bb7 21.c4 (21.d4 a6=) 21...dc4 (21...c5 22.Bg2=) 22.Qc4 (22.Rc4?? b5 23.Qa7 bc4 24.dc4 f4 25.ef4 Re1–+) 22...Kg7 23.Bg2 Now all is on c6 23...c5 24.Bb7 Qb7 25.Rab1 (25.d4 cd4 26.Nd4 Qd5=) 25...Qf3 26.Rf1 (26.Qc3 Qe2=) 26...Rd8 (26...Qd5+=) 27.h3 (27.d4 f4 28.ef4 Re4+/–) 27...Qe2 (27...f4!? 28.Qf4 Qf4 29.gf4 Rd3–/+) 28.Nc1+= Qd2 29.Qb3 Nd5 30.Rd1 Qc3 31.Ne2 Qb3 32.Rb3 Red7 33.Nf4? (better is 33.g4+=) 33...Nf4–+ 34.gf4 c4! 35.Rc3 (35.dc4 Exploits the pin 35...Rd1) 35...Rd3 36.Rdd3 cd3 37.Rc1 b5 38.Kf1 d2 39.Rd1 Rd3 (39...Kh6 40.Ke2 Kh5 41.a4 ba4 42.Ra1 d1Q 43.Rd1 Rd1 44.Kd1–+) 40.Ke2 (40.a4!? ba4 41.Ke2–/+) 40...Ra3–+ 41.Rd2 b4 42.Kd1 (42.Rc2 a5–+) 42...Ra1 (42...a5 43.Rb2–+) 43.Ke2 a5 44.Kd3 (44.Rd7 Kh6–+) 44...Rc1 (44...a4 45.Kc4 Rb1 46.Rd7 Kh6 47.Ra7–+) 45.Rb2 Kf6 46.h4 (46.Kd2 Rf1 47.Ke2 Rh1–+) 46...Ke6 47.f3 (47.Kd2 Rf1 48.Ke2 Rh1–+) 47...Kd6 48.e4 (48.Kd4 Rh1–+) 48...Rc3 49.Ke2 fe4 50.fe4 Kc5 (50...Rh3 51.Rd2 Ke6 52.Rd5 Rh4 53.Re5 Kd6 54.Ra5 Rf4 55.Ke3–+) 51.e5 (51.Ra2 Ra3 52.Rb2 Rh3–+) 51...b3 (51...Rh3 52.Rc2 Kb5 53.Rc8–+) 52.Rd2 (52.h5 a4 53.hg6 a3 (53...hg6?! 54.Rd2–+) 54.gh7 ab2–+) 52...Kb4 (better is 52...a4!? 53.Rd7–+) 53.Rd4 Ka3 54.Kd2?? (54.e6 Rc6 55.Re4 a4–/+) 54...Rc8 (better is 54...b2 55.Kc3 b1Q 56.Kc4–+) 55.Rd3 Ka2 56.Rd5 (56.Ke3–+) 0–1. Valenta,Vit – Kincl,Pavel (1905), Morava–ch U20, 1992.

3.d3 g6 4.Bf6 ef6 5.a3 Bg7 6.d4 0–0 7.c3 Nc6 8.e3 Qe7 9.Bc4 (9.Bc4 Kh8 10.Qf3+=) 1–0. tundeski (2030) – yannigator (1995), net–chess.com, 2011.

3.d4 d5 4.Nf3 =.

3.e3 a5 4.b5 e6 5.f4 Be7 6.Nf3 0–0 7.Be2 d6 8.0–0 c6 9.c4 Nbd7 10.Nd4 Nc5 11.bc6 Qb6 12.cb7 Bb7 13.Ba3 Nfd7 14.Nc3 Ba6 15.Rb1 Qc7 16.Na4 Kf7 17.d3 Rab8 18.Nc3 Rb1 19.Qb1 Rb8 20.Qc2 g6 21.Ndb5 Qc8 22.d4 Nb7 23.Qd3 Nb6 24.Rc1 d5 25.Be7 dc4 26.Qd2 Ke7 27.Qb2 Nd5 28.Nd5 ed5 29.Nc3 Nd6 30.Qa3 Qe6 31.Kf2 Kf7 32.Qa5 Rb2 33.Qd5 Qd5 34.Nd5 Ra2 35.Nb4 Ra4 36.Na6 Ra6 37.Bc4 Nc4 38.Rc4 Ke6 39.Rc7 h5 40.Rc5 h4 41.Kf3 Ra2 42.h3 Rd2 43.Rc7 Kf6 44.Rh7 Rc2 45.Rh4 Kg7 46.g4 1–0. Sundin – B Andersson, Karlstad 1988.

3.e3 c6 4.Bf6 ef6= 5.c3 d5=+ 6.Bd3 a5 7.Qa4 Nd7 8.Bf5 Nb6 9.Qc2 Bf5 10.Qf5 ab4 11.Nf3? b3!–+ 12.a3 Nc4 13.d3 Na3 14.Na3 Ra3?? 15.Qe6= Qe7 16.Qc8 Kf7 17.Ra3 Qa3 18.Qb7 Be7 19.0–0 b2=+ 20.Qc6 Qb3 21.Nd2= Qc2 22.Qd5 Kg6 23.Nb1 Rd8 24.Qe6 Rd3 25.g4 Rd1?? 26.Qf5!+– Qf5 27.gf5 Kf5 28.Rd1 1–0. mtra – biancafianchetto, internet, 2002.

3.e3 Ne4?? 4.Qh5! g6 5.Qh4 h5?? 6.Bh8 Nf6 7.Qg5 Kf7 8.Nf3 d6 9.Nh4 Ke6 10.Qg6 Nbd7 11.Qf5 Kf7 12.Bc4 d5 13.Bd5 e6 14.Qe6# 1–0. Trkn – Harry N, itsyourturn.com, 2000.

3.e4 fe4 4.f3 (4.a3 d5+=) 4...e5 (4...d5 5.Be5+=) 5.a3 (5.fe4 Nc6 6.b5 Nd4+=) 5...d5 (5...d6 6.d4 ef3 7.de5 fg2 8.Bg2 de5 9.Be5–/+) 6.fe4+= Bd6 (6...de4 7.Be5 a5 8.Nc3+=) 7.ed5= 0–0 8.Qe2 (8.Bc4 Bg4 9.Ne2 Ne4–+) 8...Bg4 (8...Nd5 9.Qe4 Nf6 10.Bc4 Kh8 11.Qh4+=) 9.Qd3 (9.Qb5 b6=) 9...Ne4 (9...a5 10.Nf3=) 10.Nh3 Bh3 (10...Qh4 11.g3 Qh5 12.c4=) 11.Qe4 (11.Qh3!? Nd7 12.Qe6 Kh8 13.g3+=) 11...Bf5= Black launches an attack 12.Qc4 Nd7 13.Be2 (13.d3 Nb6 14.Qb5 e4–/+) 13...Nb6+= 14.Qb3 Qh4 15.g3 Qe4 16.Rg1 Qc2 (16...Qd5 17.Qd5 Nd5 18.Bc4=; 16...Nd5? 17.Nc3 Qc2 18.Qc2 Bc2 19.Nd5+–) 17.Qc2 Bc2 18.Nc3 a6 (18...a5 19.ba5 Ra5 20.Bg4–/+) 19.d3 (19.Bg4 Rad8+=) 19...a5 20.b5 (20.Kd2 Bb3–/+) 20...Na4 (20...Rad8 21.Rf1–/+) 21.Kd2 Rf2 (worse is 21...Nb2 22.Kc2 Bc5 23.Rgb1+– (23.Kb2?! Bg1 24.Rg1 Rf2+/–)) 22.Rgf1 (22.Kc2 Nc3 23.Kc3 Re2–/+) 22...Rh2 23.Kc2 (23.Rae1 Nb2 24.Kc2 Ba3–/+) 23...Nc3 24.Kc3 Re2 25.Rae1 (25.Rac1 e4–+) 25...Rg2 26.Rg1 (26.Rf3 Rf8 27.Ree3 Rf2 28.Rf8 Kf8–/+) 26...Rf2 (26...Rg1 27.Rg1 Rf8 28.Re1–/+) 27.Rgf1 Raf8 28.Rf2 Rf2 29.g4 (29.Re4 Kf7–/+) 29...Bc5 30.Bc1 Bd4 31.Kb3 Rg2 (31...Kf7 32.Be3 Rf3 33.Bd4 ed4 34.Kc4=) 32.g5 Rg3 (32...Rf2 33.Be3 Be3 34.Re3–/+) 33.Kc4 Kf7 (33...Rf3 34.Re4–/+) 34.a4 (34.Bd2 a4–/+) 34...Rg2 35.Kb3 (better is 35.Rf1 Kg6 36.Kb3–+) 35...Rg3 (35...Kg6 36.b6 cb6 37.Kc4–+) 36.Kc4 b6 (36...Rg4 37.Re4 Rg2 38.Kb3–/+) 37.Rf1 (37.Rh1 Kg6–/+) 37...Kg6 38.Re1 (38.Rh1 Rf3–/+) 38...Rg1 (38...Rg2!?–+) 39.Rg1–/+ Bg1 40.Bd2 (40.Ba3 Kg5 41.Be7 Kf5–+) 40...Kf5 (40...Bd4 41.Bc1–/+) 41.Bc1 Bc5 (41...Bc5 42.Bd2 Be7–+) 0–1. Perlitz,Heiko – Bonetti,Shane, TT–11.17 ETC, 2004.

3.Nf3 a5 4.b5 d6 5.e3 (5.Bf6 gf6 6.Nd4 Qd7+=) 5...e5 6.a4 (6.c4 Be7=) 6...Be6 7.Na3 (7.c4 e4 8.Ng5 Qe7=) 7...Nbd7 8.d4 e4 9.Ng5 Bg8 10.h4 (10.Be2 Nd5 11.Nh3 Be7=) 10...c5 (10...h6!? 11.Nh3 g5=) 11.dc5 Nc5 12.b6 (12.Nc4 h6 13.Nh3 Bf7+=) 12...Be7 13.Bb5 Kf8 14.Nc4 Bc4 15.Bc4 Qb6 16.Bc3 d5 17.Rb1 Qd6 18.Bb5 (18.Bb3 f4 19.ef4 Qf4=) 18...Ng4 Black has an active position (18...h6 19.Nh3 Ne6 20.Bf6 gf6 21.0–0=) 19.Bd4= Rc8 (19...b6 20.Bc5 bc5 21.Be2+=) 20.Be2 Nf6 21.Bc5 (21.g4!? h6 22.Nh3=) 21...Rc5+= 22.Rb7 h6 23.Nh3 Kf7 24.Nf4 Rhc8 (24...Rb8 25.Rb3+=) 25.c4 (better is 25.Bh5 Kg8 26.Bg6 Rc2 27.0–0+= (27.Bf5? fails because of 27...Qb4 28.Rb4 Bb4 29.Kf1 Rc1 30.Be6 Kh7 31.Bf5 Kh8–+)) 25...Qc6?? (better is 25...Kg8+= saving the game) 26.Bh5+– Nh5?? (better is 26...g6 27.Bg6 Kf8+–) 27.Qh5 Kg8 28.Re7 Qf6 29.Re8 Kh7 30.0–0 dc4 31.Re6 Qf8 32.Qg6 Kh8 33.Rd1 c3 34.Qh5 c2 35.Rc1 Kg8 36.Ng6 Qd8?? 37.Ne7+– Kh8 38.Rh6! Mate attack 38...gh6 39.Qh6 1–0. Barlag,Christoph (2040) – Wieder,Heiner (2120), Werther Schloss op–A 8th, 2002. (=1.Nf3 f5 2.b4 Nf6 3.Bb2)

3.Nf3 a6 4.d4 e6 5.e3 (5.a3 Be7=) 5...Be7 (better is 5...Bb4!? 6.Nbd2 0–0–/+) 6.a3= 0–0 7.Bc4 c6 8.0–0 Qc7 9.h3 a5 10.c3 Kh8 11.Ng5 d5 12.Be2 h6 13.Nf3 Nbd7 14.Nh4 Kh7 15.Nd2 b5 16.Nb3 ab4 17.ab4 Ra1 18.Qa1 g5 19.Nf3 g4 20.hg4 Ng4 21.Nbd2 Rg8 22.Qb1 Bh4 23.Ne5?? (better is 23.Qa2=) 23...Nge5 24.de5 Ne5 (24...Qe5?! 25.c4 Qd6 26.Nf3+=) 25.Nf3 Ng4 26.Bd3?? (better is 26.Qa2–/+) 26...Bf2–+ 27.Rf2 Nf2 28.Kf2 Qg3 (28...Qg3 29.Ke2 Qg2 30.Kd1 Qf3 31.Kc2 Qe3–+) 0–1. Nyikos,Laszlo – Janocha,Jan (1785), 17OBSen–Rowy, 2008.

3.Nf3 b5 4.e3 a6 5.g3 (5.a4 ba4 6.Ra4 Bb7+=) 5...Bb7 6.Bg2 e6 7.a3 g6 (7...Nc6 8.0–0=) 8.0–0 Bg7 9.d4 Ne4 10.Nbd2 d6 (10...0–0 11.c3=) 11.Qe2 Nd7 12.Rab1 (12.a4 ba4 13.Ra4 0–0+=) 12...Ndf6 13.c4 bc4 14.Nc4 Bc6 15.Qc2 d5 (15...Bd5!?=) 16.Nfe5 (16.Nb6! cb6 17.Qc6 Ke7+/–) 16...Bb5 17.Rfc1?? (better is 17.f3 Nd6 18.Nd2+/–) 17...Rc8?? (17...Bc4 18.Nc4 dc4 19.Qc4–+) 18.a4?? (18.Nb6 Rb8 19.Nc6 Bc6 20.Qc6 Ke7 21.Qc7 Nd7 22.Nd7 Qd7+–) 18...Bd7?? (better is 18...Bc4 19.Nc4 dc4 20.Qc4 Kf7–+) 19.Nd7+– Qd7 20.Ne5 (20.Nb6 cb6 21.Qc8 Qc8 22.Rc8 Kd7+–) 20...Qd6 21.Qc6 (21.f3 Ng5+–) 21...Qc6 22.Rc6 (22.Nc6?! Nd2=) 22...Nd6 23.Ra6 Nd7 (23...Nfe4 24.b5+–) 24.Bf1 Nb6 (24...Ke7 25.Nc6 Kf6 26.Rc1+–) 25.a5 Nbc4 26.Nc4 (26.Rc1 A) 26...Nb2?? 27.Rd6 Be5 28.Re6 (worse is 28.de5 Nc4 29.Ra6 Kd7+–) 28...Kd7 29.Re5+–; B) 26...Rb8 27.Bc4 dc4+–) 26...Nc4 27.Bc4 dc4 28.Re6 Kd7 29.Ra6 Rb8 30.Bc3 Rb5 31.Ra7 (31.Rc1 Rhb8 32.Be1 Bf8 33.Rc4 Bb4 34.Bb4 Rb4+–) 31...Re8? (31...Rhb8!?+/–) 32.a6 (32.Kf1!? Bf8 33.Be1 Reb8+–) 32...Reb8 33.Ra1 Bf8 34.Rc1 (34.Ra5 R5b6+–) 34...Kc8? (better is 34...Bb4!? 35.Kg2 Bc3 36.Rc3 Rb4+/–) 35.Be1 Bb4 36.Rc4 Bd6 37.Kg2 g5 (37...R8b6 38.Ra8 Rb8 39.Rb8 Kb8 40.Ra4+–) 38.h3 (38.Rc6 R8b6 39.Rb6 Rb6+–) 38...h5 (38...R8b6 39.Ra8 Rb8 40.Rb8 Kb8 41.Kf3+–) 39.Rc2 (39.Bc3 R8b6 40.Ra8 Rb8 41.Rb8 Kb8+–) 39...Rb2 40.Rb2 Rb2 41.Rb7! Ra2? (41...Rb7 42.ab7 Passed pawn) 42.Rb5+– f4 (42...Ra6 43.Rf5 Ra1+–) 43.gf4 (better is 43.Ba5!? Ra5 44.Ra5 Kb8+–) 43...gf4 (43...Ra6 44.fg5 Bf8+–) 44.e4 (better is 44.Ba5 Ra5 45.Ra5 Kb8+–) 44...h4?? (44...Ra6 45.Ra5 Rc6+–) 45.e5 (better is 45.Ba5 f3 46.Kf3 Ra3 47.Kg4 Ra5 48.Ra5 Kb8+–) 45...Be7 (45...Ra6 46.ed6 Rd6+–) 46.Ba5 Ra5 (46...f3 47.Kf3 Ra3 48.Ke4 Ra5 49.Ra5+–) 47.Ra5 Kb8 48.Rb5 Ka8 (48...Ka7 49.Rb7 Ka6 50.Rc7 Bf8+–) 49.Rb7 Bd8 50.d5 1–0. Baraniuk,Andrej (1680) – Glacner,Karel, Brno CZE, 5th Open, 2014.

3.Nf3 c6 4.c4 d6 5.d4 g6 6.g3 Bg7= 7.Bg2 0–0 8.0–0 Na6 9.Qb3 Nc7 10.a4 Ne4 11.b5 c5 12.e3 Ne8 13.Nbd2 N8f6 14.Rad1 Qc7= 15.Ne4 Ne4 16.Nd2+= Be6 17.d5 Nd2 18.Rd2 Bd7 19.Bg7 Kg7 20.Qc3 Rf6 21.a5 Raf8 22.Rfd1 Kg8 23.f4 R8f7 24.Re1 Qd8 25.Rde2 Qf8 26.e4 fe4 27.Re4 Qg7 28.Qe3 Kf8 29.h3 h5 30.Kh2 Bc8 31.Re6 Ke8 32.h4 Kd8 33.Bh3 Bd7 34.Re2 Qf8 35.Bg2 Rg7 36.Qc3 Bc8 37.Bh3 Bd7 38.Rf6 Qf6 39.Qf6 ef6 40.Be6 Re7 41.f5 gf5= 42.Kg2 Be6 43.de6 Rg7 44.Rf2 Ke7 45.Rf5 Rh7 46.a6 b6 47.Kf3= Ke6 48.Ke4 Rh8 49.Rd5 Rh7 50.Rf5 Rh8 51.Rd5 Rh7 ½–½. Baginskaite,C (2335) – Aigner,M USA (2260), Michael Franett Mem, 2005.

3.Nf3 d5 4.e3 Nbd7 5.a3 e6 6.d4 Bd6 7.c4 c6 8.cd5 cd5 9.Nbd2 0–0 10.Bd3 b6 11.0–0 Bb7 12.Ne5 Ne5? 13.de5+– Be5 14.Be5 Qe8 15.Nf3 Qg6 16.Qe2 Ne4 17.Rac1 h5 18.h3 h4 19.Nh4 (19.Nh4 Qh6 20.Rc7+–) 1–0. Fournier,Frederic – ZORROFRITO2, Active, 2007.

3.Nf3 Nh5 4.e3 Nc6? 5.b5+– Nb4 6.c4 Nc2 7.Qc2 b6 8.Qf5 a6 9.Ne5 Ra7 10.Qf7 1–0. hertford – maddog8092, ChessWorld.net, 2002.

3.f4 d5 4.Nf3 e6 5.a3 Bd6 6.e3 Nc6 7.c4 Bd7 8.c5 Be7 9.Be2 Ne4 10.0–0 (worse is 10.Bg7 Rg8 11.Bb2 Rg2=) 10...Bf6 11.Qc2 Bb2 12.Qb2 0–0 13.d3 Nf6 14.Nbd2 Be8 (14...Ng4!?=) 15.Ne5 Ne5 16.Qe5 Bg6 17.Qe6 Bf7 (17...Kh8 18.Qe5+/–) 18.Qe5 (18.Qf5 Re8 19.Rf3 Bh5+–) 18...Ng4 (18...Re8!? 19.Qd4 Qe7+/–) 19.Qd4 Qe8 20.Bg4 fg4 21.Rae1 c6 22.e4 Qd8 23.e5 Qh4 (23...Be6 24.Qe3+/–) 24.Qf2 Qh5 25.d4 1–0. Fournier,Frederic (1995) – Nikos1 (1835), Echecs21, 2003.

3.f4 e5 4.fe5 Ne4 5.Nf3 Bb4 6.e3 Qe7 7.a3 Bc5 +=.

3.f4 g6 4.e3 (4.Nf3 e6 (4...Bg7 5.e3 a6 6.Be2 0–0 7.0–0 Nc6+=; 4...a5 5.b5 Bg7 6.e3 0–0 7.Be2 b6+=; 4...d6 5.e3 Bg7 6.Be2 e6 7.0–0 0–0=; 4...c6 5.e3 Bg7 6.Be2 a5 7.b5 0–0+=) 5.a3 a5 6.b5 Bg7 7.e3 0–0=; 4.Nc3 Bg7 5.Nf3 Nd5 6.Nd5 Bb2 7.Rb1 Bg7=; 4.a3 Bg7 5.Nf3 0–0 6.e3 a5 7.Bc4 d5=; 4.b5 Bg7 5.Nf3 0–0 6.e3 a6 7.Nc3 d5=) 4...d6 (4...Bg7 5.Nf3= a5 6.b5 0–0 7.Be2 d5=; 4...e6 5.a3 a5 6.b5 Bg7 7.Nf3 0–0=; 4...d5 5.Nf3 Bg7 6.Be2 Qd6 7.a3 0–0+=) 5.Nf3+= Bg7 6.c4 (6.Be2 a6 (6...0–0+= 7.0–0 e6+=) 7.a4 0–0=) 6...0–0= (6...Na6 7.a3 c5=) 7.Be2 Re8 (7...c5 8.b5=) 8.0–0+= e5 (8...c5 9.bc5 dc5 10.Ne5+=) 9.fe5 Ng4 10.Nc3 (10.Qc2 de5 11.h3 Nh6+=) 10...de5= 11.h3 Nh6 12.d3 Be6 (12...e4 13.de4 fe4 14.Qd8 Rd8 15.Ng5+=) 13.e4 (13.Qc2 Nc6 14.b5 Ne7+=) 13...Nc6= 14.a3 Nd4 (14...a5 15.b5 Nd4 16.Nd5=) 15.Nd4 (15.Na4 Qe7=) 15...ed4 16.Na4 b6 17.Bf3 Rc8 0–1. Nalepovic,Jozef (2180) – Klochan,Peter (2145), corr SVK–ch sf30, 2003.

3.Bf6 gf6? 4.e4 e6 5.Qh5 Ke7 6.ef5 +/–.

3.g3 e5 4.Be5 Bb4 5.c3 =.

3.g3 e6 (--> 2…e6 3.g3 Nf6).

3.a3 e6

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

4.d4 a5 5.b5 =.

4.d4 c6 5.c4 (5.e3 d5=) 5...Na6 (5...d5 6.e3=) 6.e3+= Nc7 7.Nc3 (7.Nf3 d5+=) 7...a5 (7...d6 8.Nf3+=) 8.b5 cb5 9.cb5 b6 (9...Be7 10.Rc1=) 10.Nf3 Bb7 11.Bd3 (11.Bc4 Rc8+=) 11...Ncd5 12.Rc1 Rc8 (12...Be7 13.Nd5 Bd5 14.0–0=) 13.Nd5+= Bd5 14.Rc8 Qc8 15.0–0 Be7 16.Ne5 (16.Qe2 0–0+=) 16...0–0 (16...Qb7 17.f3=) 17.Qd2 (17.Qa4 Qb7 18.f3 d6+=) 17...Qb7 18.f3 Rc8 19.Rc1 d6 20.Nc4 Bc4 (20...Rc7 21.Qe2=) 21.Rc4 d5 (21...Rc4 22.Bc4 d5 23.Be2=) 22.Rc8+= Qc8 23.a4 (23.Qe2 Bd6=) 23...h6 (23...Bd6 24.Qf2=) 24.g3 (24.Bc3 Bd6+=) 24...Bb4 25.Qd1 Qc7 26.Qe2 Kf7 (26...Qd6 27.Kg2=) 27.Kg2 (27.e4 fe4 28.fe4 de4 29.Be4 Ne4 30.Qe4 Qc4=) 27...Bd6 (27...Kg8 28.Qf2=) 28.Qf1 (28.e4 de4 29.fe4 Qb7=) 28...Ke8 (28...Kg8 29.Qe2=) 29.Qc1 (29.Qf2 Kf8+=) 29...Qc1= 30.Bc1 g5 31.h3 Kf7 (31...h5 32.h4 g4 33.Bd2=) 32.g4 fg4 (32...Kg6 33.Kf2=) 33.hg4 Be7 (33...e5 34.de5 Be5 35.f4+=) 34.Kh3 Bd6 35.Bb1 (35.e4 e5 36.Be3 ed4 37.Bd4 Bc5 38.Bc5 bc5 39.ed5 Nd7+= (39...Nd5?? 40.Bc4 Ke6 41.b6+–)) 35...Be7 (35...e5 36.Bb2 e4 37.fe4 Ne4 38.Be4 de4 39.d5=) 36.Bc2 (36.e4 Bd6+=) 36...Kg7 (36...Bd6 37.Bb2=) 37.Kg2 (37.e4 Bd6+=) 37...Kf7 ½–½. Baer,Werner – Michalek,M, TT–10 ETC, 2004.

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3).

3.a3 g6

4.e3 Bg7 5.d3 d6 6.Be2 0–0 7.Nf3 e5 8.0–0 Nc6 9.Nc3 h6 10.Re1 g5 11.Bf1 Be6 12.Ne2 Qe7 13.c4 Rad8 14.Qc2 Qf7 15.Rac1 g4 16.Nd2 h5 17.Ng3 h4 18.Ne2 Nh5 19.d4 ed4 20.Nd4 Nd4 21.Bd4 f4 22.Bg7 Qg7 23.ef4 Nf4 24.Ne4 Bf5 25.Qc3 Be4 26.Qg7 Kg7 27.Re4 Rde8 28.Rce1 Re4 29.Re4 Rf7 30.g3 hg3 31.hg3 Nh3 32.Bh3 gh3 33.Rh4 Rf3 34.Rh3 Ra3 35.Rh4 Ra4 36.b5 d5 37.cd5 Rh4? 38.gh4+– a5 39.ba6 ba6 40.Kf1 Kf6 41.Ke2 Ke5 42.h5 Kd5?? 43.h6 Ke6 44.h7 1–0. exp2005 – nocnymarko (1645), kurnik, 2011.

4.e3 Bg7 5.d4 0–0 (5...a5 6.c4=) 6.c4 d6 (6...a5 7.Nf3=) 7.Bd3 (7.Nf3 c5+=) 7...e5= 8.d5 (8.de5 Ng4=) 8...e4 (8...a5 9.Nc3=) 9.Be2= Qe7 (9...a5 10.Nh3=) 10.Nh3 Nbd7 (10...a5 11.0–0=) 11.Nd2 (11.0–0 Ne5=) 11...Ne5 12.0–0 Bd7 13.Qb3 Kh8 (13...a5 14.ba5 Bc8 15.Qb4+=) 14.Rad1 (14.Nf4 Kg8+=) 14...Rae8 (14...Qe8 15.Qc2=) 15.Bd4+= a6 (15...Kg8 16.c5+= (worse is 16.Ba7 b6+=)) 16.Rc1 White prepares the advance c5 (16.c5 Qf7+=) 16...h6 (16...Kg8 17.Nf4+=) 17.Nf4 (17.Rc2 Qf7+=) 17...Kh7 (17...Qf7 18.Qd1+=) 18.c5 g5 19.cd6 (19.Nh5 Nh5 20.Bh5 Bb5 21.Be8 Bf1 22.Rf1 Re8+=) 19...cd6 20.Nh5 Nh5 21.Bh5 Rc8 22.Be2 Ng6 (22...b5 23.f3 ef3 24.Bf3= (24.Nf3? Nf3 25.Bf3 Bd4 26.ed4 Rc1 27.Rc1 g4–+)) 23.Bg7+= Kg7 24.Qb2 (24.b5 ab5 25.Bb5 Bb5 26.Qb5 Ne5+=) 24...Qe5= 25.Qe5 (25.Qa2 b5 26.a4 Ne7 27.Rc8 Nc8+=) 25...Ne5 (worse is 25...de5 26.Nb3 Rc1 27.Rc1+/– (27.Nc1?! Rd8=)) 26.Nb3 (26.f3 ef3 27.gf3 f4 28.Rc8 Bc8 29.ef4 Rf4+=) 26...Rc1 (26...f4 27.Rfe1+=) 27.Rc1= (worse is 27.Nc1 Rc8 28.Nb3 Rc3–/+) 27...Rc8 28.Rc8 Bc8 29.Nd4 (29.b5 ab5 30.Bb5 Kf6+=) 29...b5+= 30.f4 (30.Bd1 Nc4–/+) 30...gf4–/+ 31.ef4 Ng6 32.g3 Ne7 33.Bb5 ab5 34.Nb5 Nd5 35.Nd6 Bd7 36.Nb7 Kf6 (36...e3 37.Nc5 Bb5 38.Ne6 Kf6 39.Nd4–+) 37.Nc5–/+ Bc6 (37...Bb5 38.Kf2–/+) 38.Kf2 Ke7 39.h3 (39.Nb3 Nb6–/+) 39...h5 40.Ke1 (40.h4 e3 41.Ke1 Nc3–+) 40...Kd6 (40...Ne3 41.Nb3 Nc2 42.Kd2 Na3 43.Kc3–+) 41.Kf2 (better is 41.Ke2–+) 41...Ke7 (41...e3 42.Kf3–+) 42.Ke1 Kd6 43.Kf2 Bb5 (43...e3 44.Kf3–+) 44.Nb7 (better is 44.Nb3–+) 44...Kc7 45.Nc5 e3 46.Ke1 Kd6 (better is 46...h4!? 47.Ne6 Kd7 48.Nd4 hg3 49.a4–+) 47.Nb7? (47.Nb3–+) 47...Ke7 48.Nc5 (48.a4 Bd3 49.Nc5 Bc4–+ (49...Nb4?! 50.Nd3 Nd3 51.Ke2–/+)) 48...Bc4 (48...e2 49.a4 Bc4 50.Nd3 Bd3 51.b5–+) 49.Na4 (49.Nb7 h4! 50.Na5 hg3 51.Nc6 Kd6 52.Ne5–+) 49...h4! 50.gh4 Nf4 51.Nb2 Ng2 (51...Ng2 52.Kd1 e2 53.Kc2 Bd5–+) 0–1. Krois,A – Dehmel,J, Muenster, 1987.

4.e3 Bg7 5.Nf3 0–0 6.Be2 c6 7.d4 d5 8.c4 e6 9.Nc3 a6 10.0–0 Re8 11.Rc1 Ne4 12.Qc2 Nd7 13.cd5 ed5 14.Ne4 fe4 15.Ne5 Ne5 16.de5 Be5 17.Be5 Re5 18.Qc3 Rg5 19.g3? Bh3–+ 20.Rfe1 Qf8 21.Bf1 Qf5 22.Bh3 Qh3 23.Qf6? Rh5 24.Red1 Rf8 25.Qe6 Qe6 (25...Qe6 26.Rc2 Qh3–+) 0–1. mihai740609 – memo, kurnik, 2011.

4.e3 Bg7 5.Nf3 a5 =.

3.a4 d6

4.Ra3 e5 5.e3 g6 6.h4 Bg7 7.h5 g5 8.h6 Bf8 9.Nf3 Be6 10.Ng5+/– Qe7 11.f4 Nbd7 12.Bb5 c6 13.Bd3 0–0–0 14.b5 Nc5 15.bc6 bc6 16.Rc3 Nd3 17.cd3 c5 18.a5 Bd5+= 19.a6 Kb8 20.Qa4 Ka8 21.Na3 Rb8 22.Ba1 Nd7 23.Kf2 Nb6 24.Qa5 Qc7?? 25.Rb1 Be7 26.Nb5+= Qd7 27.e4 fe4 28.de4 Bc6 29.Rcb3 Bg5 30.fg5 Rhf8 31.Kg1 Bb5 32.Rb5 Rg8 33.Rb6 Rb6 34.Rb6 ab6 35.Qb6?? Rb8 36.Qa5 Ka7 37.Bc3 Rb5 38.Qa2 Rb8 39.Qd5 Qc7 40.d4?? cd4–+ 41.Bd2 Qb6?? 42.Qe6?? Ka6 43.Qd7? Rb7?? 44.Qc8 Kb5 0–1. xtom – miro59 (1715), kurnik, 2011.

4.Ra3 e5 5.h4 g6 6.e3 h5 7.Bd3 Bg7 8.f3 Nc6 9.b5 Na5 10.Nc3 c6 11.Qa1 Be6 12.Rh3 0–0 13.Rg3 Kh7 14.bc6 bc6 15.f4 e4 16.Be2 Nc4 17.Nh3 Nb2?? 18.Qb2 Bh6 19.Ng5 Bg5 20.hg5 Ng4 21.Bg4 hg4 22.Qb7 Qd7 23.Rb3 Rad8 24.a5? Bb3–+ 25.Qb3 Rb8 26.Qa3 d5 27.Ne2 Rb1 28.Kf2 Rh8 29.Nd4 Kg7 30.Qc5? Rc8 31.a6 Rb6 32.c4 Ra6 33.cd5 cd5 34.Qb4 Rb6 35.Qa5 Rc7 36.Ke2 Rc4 37.Qa1 Qd6 38.Nf5+– Kf7 39.Nd6 Rd6 40.Rg4 a6 d4 41.Rh4 d4 42.Rh7 Ke6 43.g4 Kd5 44.Qa5 Rc5 45.Qa2 Rc4 46.f5 gf5 47.gf5 d3 48.Kf2 Rdc6 49.Qa5 R4c5 50.Qb4 Ke5 51.Qd4 Kf5+– 52.Qf6 Rf6–/+ 53.gf6 Kf6 54.Kg3 a5 55.Rh6 Kg5 56.Ra6 Rb5 57.Kf2? Kg4–+ 58.Ra7? Kf5 59.Rf7 Ke5 60.Re7 Kd6?? 61.Re4=+ Kd5 62.Rd4 Kc5 63.e4?? Kd4–+ (63...Kd4 64.Kf3 a4 65.Kf4 a3 66.Kf3 a2 67.Kg4 a1Q 68.e5 Qg1 69.Kf5 Re5 70.Kf6 Qg5 71.Kf7 Re7 72.Kf8 Qg7) 0–1. xtom – miro59 (1695), kurnik, 2011.

3.b5 e6

4.a4 d5 5.h4 b6 6.h5 Bc5 7.e3 0–0 8.h6 g6 9.Ra3 Ba3–+ 10.Na3 Ne4 11.Nf3 Nd7 12.Qa1 Ndf6 13.d3 Nd6 14.c4 Bb7 15.a5 Qe7 16.a6–/+ Bc8 17.Ne5 dc4 18.Nc6 Qf7 19.dc4 Nde4 20.f3 Nc5 21.Rh4 Bd7 22.Ne5 Qe7 23.Rd4? Nb3–+ 24.Qd1 Nd4 25.Qd4 Rad8 26.Qc3 Be8 27.g4?? Rd6 28.Bh3?? c5 29.Nc6?? Bc6–+ 30.bc6 Rc6 31.Nb5 Rcc8 32.Qe5?? Rcd8 33.g5 Rd3?? 34.gf6. xtom – bashkim (1605), kurnik, 2011.

4.c4 Be7 5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4).

4.e3 d5 5.Nf3 (--> 1.b4 d5 2.Bb2 e6 3.e3 f5 4.Nf3 Nf6 5.b5).

3.c4 d6

4.b5 e5 5.d4 e4 6.e3 Be7 7.Nc3 c6 8.a4 d5 9.c5 0–0 10.h3 Be6 11.f4 Nbd7 12.Nge2 Qe8 13.Qb3 Nh5 14.0–0–0 Nhf6 15.Kb1 Nb8 16.Nc1 b6 17.cb6 ab6 18.Ba3 Ba3 19.Qa3 cb5 20.Bb5 Qd8 21.Nb3 Bd7 22.Kb2 Bb5–/+ 23.Nb5 Nc6 24.Qd6 Qd6 25.Nd6 Nd7 26.Nb5 Ra4 27.Ra1? Rfa8?? 28.Ra4= Ra4 29.Nd6 Nb4 30.Nf5 Nd3 31.Kc3 Rc4 32.Kd2 b5 33.Nd6 Rb4–/+ 34.Nc5?? Rb2–+ 35.Kc3 Nf6 36.Ra1?? h6 37.Nd3+– Rg2 38.Ne5 Rg3 39.Ra8 Kh7 40.Nf5 Rh3 41.Ra7 Nh5 42.Ng4 Kg6 43.Ne7 Kh7 44.Nd5 Rf3 45.Ndf6 Kg6 46.Nh5 Kh5 47.Ne5 Re3 48.Kb4 Re1 49.Kb5 Rb1 50.Kc5 Rc1? 51.Kd6 e3 52.d5 e2+/– 53.Nd3 Rd1 54.Nf2?? Rf1 55.Nd3= Rf3 56.Ne1 Rf1 57.Nd3 e1Q?? 58.Ne1+– Re1 59.Kd7 Rd1 60.d6 Kg6 61.Ke7+– h5 62.d7 h4 63.d8B Re1 (63...Re1 64.Kf8 h3+/–). iczker – iwan707, kurnik, 2011.

4.d4 c6 5.Nf3 Nbd7 6.e3 g6 7.Be2 Bg7 8.0–0 0–0 9.Qb3 Re8 10.Nc3 Kh8 11.Rad1 Qc7 12.Ng5 e6 13.c5 d5 14.Nf7 Kg8 15.Nd6 Rf8 16.f4 Ne4 17.Nce4 fe4 18.Bg4 Nf6 19.Bh3 Ne8 20.Ne8 Re8 21.b5 Bd7 22.a4 a6 23.b6+= Qd8 24.a5 Rf8 25.g3 Qe7 26.Rd2 h5 27.Rdf2 Kh7 28.Qd1 h4 29.Qg4 Rh8 30.gh4 Raf8 31.Rg2 Kg8 32.Qg6 Rh4 33.Rg3 Rf6 34.Qg5 Rh7 35.f5 ef5 36.Bf5 Bf5 37.Rf5 Kf8 38.Rf6 Qf6 39.Qg4 Bh6?? 40.Qg8 Ke7 41.Qh7 Ke8 42.Qg6 Ke7 43.Qf6 Kf6 44.Bc3 Bg5 45.Bd2 Kg6 46.h4 Kh5 47.Rg5 Kh4 48.Rg7 Kh5 49.Rb7 Kg4 50.Rc7 Kf3 51.Rc6 Ke2+– 52.b7 Kd2 53.b8Q Ke3 54.Qd6 Kd2 55.Qd5 e3 56.Qe4 e2 57.Ra6 e1Q 58.Qe1 Ke1 59.d5 Ke2 60.d6 Ke3 61.d7+– Ke4 62.d8Q Ke5 63.c6 Ke4 64.c7 (64.c7 Kf3 65.Qd4 Kg3 66.c8Q Kf3 67.Qcg4) 1–0. ludice (1705) – kalamarnicah, kurnik, 2011.

4.d4 e6 5.e3 Be7 6.Nf3 Ne4 7.Nbd2 0–0 8.Bd3 d5 9.Qb3 c6 10.a4 Kh8 11.g3 a6 12.c5 Bf6 13.Ne5 Nd7 14.Ndf3 Ng5 15.Ng5 Bg5 16.f4 Be7 17.h3 Nf6 18.g4 Ne4 19.g5 Qe8 20.Qd1 Bd7 21.a5 Rd8 22.Qf3 Rg8 23.0–0–0 g6 24.h4 Qf8 25.h5 Be8 26.hg6 Bg6 27.Qh3 Qe8 28.Be4 de4 29.d5 Rg7 30.d6 Bf8 31.d7 Qe7 32.Ng6 1–0. Arno de Visser – Hendriks, 1984.

4.d4 g6 5.g3 Bg7 6.Bg2 c6 7.Nf3 0–0 8.0–0 Na6 9.Qb3 Nc7 10.Nc3 Kh8 11.Rad1 Be6 12.d5 Bg8 13.a4 cd5+= 14.cd5 a5 15.ba5 Ra5 16.Ng5 b5 17.ab5+/– Qb8 18.b6 Ra6= 19.Na4 Ra4? 20.Qa4+– Qb6 21.Rb1 Qa6 22.Qc6 Qa7 23.Ra1 Qb8 24.Rfb1 Qd8 25.Rd1 h6 26.Nh3 g5 27.f4 Qb8 28.Rdb1 Qd8 29.Rd1?? Qb8 30.Rab1 g4? 31.Nf2 Qd8 32.Bc3 Na8 33.Rb7 Qe8 34.Ra1 h5 35.Raa7 (35.Raa7 Qc6 36.dc6+–) 1–0. Remizov,Yuri – Ivanov,Alexey, Moscow Tal memorial, 1992.

4.e3 g6 5.Nf3 Bg7 6.d4 0–0 7.Be2 Qe8 8.0–0 e5 9.de5 de5 10.Be5 c6 11.Qc2 Na6 12.a3 Be6 13.Nbd2 Rd8 14.Rfd1 Qe7 15.Bb2 Nc7 16.Nb3 Ne4 17.Rd8 Rd8 18.Rd1 Rd1+/– 19.Qd1?? Bb2–+ 20.Bd3 Ba3 21.Be4 fe4 22.Nfd4 Bb4 23.Ne6 Ne6 24.Qb1 Nc5 25.Nd4 Nd3 26.f3 Bd6 27.Qb7 Qb7 (27...Qb7 28.Nb5 Qa6 29.Na3 Qa5 30.g3 Qd2 31.Kh1 Ne1 32.fe4 Qg2#) 0–1. carocan – papezuvptak (1825), kurnik, 2011.

4.Bf6 ef6 5.Nc3 Be6 6.e3 d5 7.cd5 Bd5 8.Qc2 (8.Nd5 Qd5 9.a3 a5=) 8...Bb4 9.Nd5 Qd5 10.Nf3 Nc6 11.Bc4 Qc5 12.Rc1 Ke7 13.Nd4 (better is 13.0–0!? Na5 14.Nd4=) 13...Nd4–/+ 14.ed4 Qd4 15.0–0 g6 (15...Qd2 16.Qf5 Qd6 17.Rfd1+–) 16.Rce1 Kf8 17.a3 (17.Rb1 Qd6–/+) 17...Bd6 (17...Ba3 18.Qb3 Bd6 19.Qb7–+) 18.Ba2 Kg7 19.Re3 Rhf8 20.Rfe1 Rad8 21.d3 Qc5 22.Qe2 Qa3 23.Bc4 Qc5 24.Rb1 Rb8 25.g3 (25.Re1 b5 26.Ba2 Qd4–+) 25...b5 26.Ba2 a5 27.Qd2 a4 28.Rc1 Qb6 29.Qe2 (29.d4 b4 30.Bc4 Rfd8–+) 29...Be5 (better is 29...b4!? 30.Bc4–+) 30.Re5 fe5 31.Qe5 Qf6 32.Rc7 Kh6 (32...Kh8 33.Qc5 b4 34.Bc4–+) 33.Qe3 (33.Qf4 g5 34.Qb4 f4–+) 33...f4 34.gf4 Qh4 (34...Qf4 35.Qh3 Kg5 36.Qg2 Qg4 37.Rc5 Kf4 38.Qg3 Qg3 39.hg3 Kf3 40.Kf1–+) 35.Kf1? (35.Qa7 Rh8 36.Qd4 Qg4 37.Kh1=) 35...Rbe8 (35...Rf4?! 36.Rf7 Qf2 37.Qf2 Rf2 38.Kf2=; 35...Qf4?! 36.Qh3 Kg5 37.Qg2 Qg4 38.Rc5 Rf5 39.Qg4 Kg4 40.Be6–+; 35...Qh2 36.f5 g5 37.Qe6 Rf6 38.Qf6 Kh5 39.Rh7 Kg4 40.Rh2 Rh8 41.Qd4 Kf5 42.Qd5 Kf6 43.Qe6 Kg7 44.Qf7) 36.f5 Re3 (36...Re3 37.Rc4 Qh3 38.Kg1 Re1) 0–1. Weyrich,M – Thuesen,M, Kobenhavn, 1990. (=1.c4 f5 2.b4 Nf6 3.Bb2 d6)

3.c4 e5

4.a3 d6 5.e3 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.a3 Nf6 5.c4).

4.Qa4 Qe7 =.

4.Be5 Bb4 5.Nc3 0–0 =+.

4.Be5 Bb4 5.e3 Nc6 6.Bb2 0–0 7.Nf3 d6 8.Be2 Qe8 9.a3 Ba5 10.0–0 h6 11.d4+= Ne4 12.d5 Ne5 13.Nbd2 Nf3 14.Nf3 Bb6 15.Rb1 Bd7 16.Bd4 Bd4 17.Qd4 b6 18.Bd3 Qg6 19.Rb2 Rae8 (19...Rae8 20.Rfb1 c5 21.dc6 Bc6=). Perlitz – Margraf, corr SOK–89–50, 1989.

4.Be5 Bb4 5.Nf3 d6=+ 6.Bb2 0–0 7.e3 f4 8.ef4 Nh5 9.g3 Re8 10.Be2 Qe7 11.Nc3 Nc6 12.Nd5= Qe4 13.Ne3 Bh3 14.Rg1+/– (14...h6 15.a3+/–) 1–0. Kern,M – Bolduan,M, Hessen clubgame, 1997.

4.Be5 Nc6 5.Bc3 Nb4 6.Qb3 a5 7.a3 a4 8.Qb2 Nc6 9.d4 d5 10.e3 Na5 11.Nd2 Be7 12.cd5 Qd5 13.Ngf3 0–0 14.Ba5 Qa5 15.Bc4 Kh8 16.0–0 c6 17.Ne5 g6 18.Ndf3 Nd5 19.Rab1 Nc3 20.Rbc1 Ne4 21.Nf7 Kg7= 22.N3e5 Bf6 23.f3 Nd2 24.Rf2 Nc4 25.Nc4 Qc7 26.Nfd6 Ra7 27.e4 b5 28.e5 Bh4 29.g3 Be7 30.Nc8 Rc8 31.Ne3 Kg8 32.d5 Qb6= 33.Qc3 c5 34.d6 Bf8 35.Nd5+– Qc6 36.Nf6 Kh8 37.d7 Rd8= 38.Rd2 Qe6 39.f4 b4 40.ab4 cb4 41.Qc8 Rad7?? 42.Rd7+– (42.Rd7 Qd7 43.Nd7 Rc8 44.Rc8+–) 1–0. baovn21 (1605) – imprevizibila (1850), kurnik, 2011.

3.c4 e6

4.a3 c5 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 Ne4 9.Nf3 Qa5 10.Nc3 d5 11.cd5 ed5 12.Nd5 Be6 13.Nc3 c4 14.Nd4+/– Bb4 15.Ne4?? fe4= 16.Ne6 Bd2 17.Qd2 Qa1 18.Qd1 Qa5 19.Qd2 c3 20.Qc2+/– Qa1 21.Qd1 Qa5 22.Qc2 Qa1 23.Qd1 Qa5 24.Qc2 ½–½. wybitnytalent – gaillousse, kurnik, 2011.

4.a3 c5 5.b5 Be7 6.Nf3 0–0 7.e3 d6 8.Be2 e5 9.d3 Be6 10.Qc2 Kh8 11.0–0 Qe8 12.Ng5+= Bg8 13.f4 Ng4 14.Rf3 Bg5 15.fg5 f4 16.ef4+/– ef4 17.Qc3 Ne5 18.Rh3 Be6 19.Rh4 Qe7=+ 20.Nd2 Qg5 21.Rh5 Qg6 22.Ne4? f3–/+ 23.Rg5 Qh6 24.Rf1 Nbd7 25.Bf3= Nf3 26.Rf3+/– Ne5 27.Rfg3 Bf5 28.Rg7 Be4 29.de4 Qf4 30.Qe1 Rf6?? 31.Bc1+– (31.Bc1 Qg3 32.Qg3+– (32.hg3?! Kg7 33.Bg5 Rg6=); 31.Rb7?! Raf8 32.Be5 de5+–) 1–0. Deline,R – Smook,R, Ontario CAN, 1988.

4.a3 c6 5.c5 b6 6.d4 bc5 7.dc5 a5 8.Nc3 ab4=+ 9.ab4 Ra1 10.Qa1 Na6 11.Qa4= Nd5 12.Nd5+/– ed5 13.e3 Qh4+= 14.Ba6 Ba6=+ 15.Nf3 Qc4–+ 16.Nd4 Bc5! 17.Qc2 Bb4 18.Kd1 0–0 19.Nf5?? Qc2 20.Kc2 Rf5 (20...Rf5 21.f3 Rg5–+) 0–1. wybitnytalent – gaillousse, kurnik, 2011.

4.a3 c6 5.c5 g6 6.e4 f4 7.Qf3+/– g5 8.e5+– Nd5 9.Qh5 Ke7 10.Qg5 Ke8 11.Qh5 Ke7 12.Be2 b6 13.Qg5 Ke8 14.Bh5 1–0. Goof – halo2, ChessWorld.net, 2005.

4.a3 c6 5.d4 d5 6.e3 Bd6 7.Nf3 Nbd7 8.Nc3 0–0 9.Be2 Ne4 10.0–0 Qf6 11.Ne4 fe4= 12.Ne1 Qh6 13.g3 Rf6 14.Ng2 Qh3 15.Bg4 Qh6 16.c5 Bc7 17.Bc1 Rf8 18.f4 Nf6 19.Be2 Bd7 20.g4 g5 21.h4 Qg6 22.hg5 Ne8 23.Nh4 Qg7 24.Rf2 b5 25.Bd2 Bd8 26.Rh2 Nc7 27.Ng2 Be7 28.Qe1 Qg6 29.Rh6 Qg7 30.Qh4 e5 31.de5+– Ne6 32.Qg3 Nd8 33.Rf1 Nf7 34.Rh4 Bd8 35.Bc3 Bc7 36.Bd4 Qg6 37.f5 Bf5?? 38.gf5 (38...Qg5 39.Rg4+–; < 38.Rf5 Ng5 39.Nf4 Qg7+–) 1–0. Baessler,Arwed – Antusch,Ingrid, 8sen.BayEM Schney, 1996.

4.a3 c6 5.e3 d5 6.Bf6 Qf6 7.Nc3 a5 8.b5 Nd7 9.bc6 bc6 10.cd5 cd5 11.Qh5 g6 12.Qd1 Nc5 13.Nf3 Ba6 14.Ba6+= Ra6 15.0–0 Bd6 16.d4 Ne4 17.Nb5 Bb8= 18.Ne5 Be5–/+ 19.de5 Qe5 20.f4 Qb8 21.Rc1 0–0 22.Nc7 Rb6 23.Qd4 Rc8 24.Ne6? Re6–+ 25.Rc8 Qc8 26.Qd5 Qe8 27.Qa5 Nd2?? 28.Re1?? Nc4 29.Qd5 Ne3?? 30.Re3+– Kf7 31.Re6 Qe6+/– 32.Qe6 Ke6 33.Kf2 Kd5 34.Ke3 Kc4 35.g3 Kb3? 36.Kd4+– Ka3 37.Ke5 Kb3 38.Kf6 Kc4 39.Kg7 Kd5 40.Kh7 g5 41.fg5 (41.fg5 Ke5 42.h4+–) 1–0. revbodio (1915) – vana (1860), Live Game Caissa's Web, 2007.

4.a3 Nc6 5.d4 a6 6.d5 ed5 7.cd5 Na7 8.e3 d6 9.Nf3 Be7 10.Bc4 b5 11.Bd3 0–0 12.Nd4 Nd5 13.Qb3 c6 14.Nc6 Nc6 15.Qd5 Kh8 16.Qc6 Be6 17.0–0 Bd7 18.Qf3 Rc8 19.Nc3 Bc6 20.Nd5 Rf7 21.Bf5 Rc7 22.Qh3 h6 23.Qh6 Kg8 1–0. Bonetti,Shane – guest1357, ICC, 2002.

4.Qb3 a5 5.a3 Na6 6.b5 Nc5 7.Qc2 b6 8.d4 Nce4 9.f3 Bb7? 10.fe4+– Ne4 11.Nf3 Be7 12.e3 Bh4 13.g3 Ng3? 14.hg3 Bg3 15.Ke2 g5 16.d5 ed5 17.Bh8 g4 18.Ne5 Qg5 19.Rg1 Be5 20.Be5 0–0–0 21.Bf4 Qg6 22.c5 bc5 23.Qc5 d6 24.Qc2 Kb8 25.Nc3 d4 26.Na4 Be4 27.Qc4 de3 28.Rc1 Rd7 29.b6 Qf7 30.bc7 Rc7 31.Qc7 Qc7 32.Rc7 Kc7 33.Ke3 1–0. orangutanb4 (1945) – pontuseuxinus (1775), kurnik, 2011.

4.Qb3 a5 5.a3 b6 6.d4 Bb7 7.Nd2 ab4 8.ab4 Nc6 9.Ra8 Qa8–/+ 10.c5 Nb4! 11.Ngf3 bc5–+ 12.e3 Ne4 13.Nc4 d5 14.Nce5 c4 15.Bc4 dc4 16.Qc4 Qc8 17.0–0 Ba6 (17...Ba6 18.Qb3 Bf1 19.Qa4 c6 20.Kf1 Be7–+) 0–1. Blom,Y – Draftian,A, 26th Open, Ghent BEL, 2003.

4.Qb3 b6 5.d4 Be7 6.Nd2 0–0=+ 7.Ngf3 a5 8.b5 Kh8 9.e3+= Bb7 10.Be2 Qe8 11.Ba3 Ne4 12.Be7 Qe7= 13.0–0 d6 14.Ne4 Be4 15.Nd2 Bb7 16.Bf3 Bf3 17.Nf3 Nd7 18.Rac1 e5 19.de5 de5 20.Qc3 e4 21.Nd4 Ne5 22.Rcd1 Rae8 23.Rd2 Qc5 24.Rc2 Rf6 25.Nb3 Qe7 26.Nd4 Nd3 27.f4 Qc5=+ 28.Re2 Qb4 29.Qb4= Nb4 30.Rc1 g6 31.Rc3 Nd3=+ 32.Rec2 Rd6 33.g3 Kg7 34.Re2 Kf6 35.h4 Re7 36.Kf1 Red7 37.Rcc2 Nc5 38.Red2 Ne6 39.Nb3 a4 40.Rd6=+ Rd6 41.Nd2 Nc5 42.Ke2 Ke6 43.Nb1 Kd7 44.Nc3 c6 45.bc6 Kc6 46.Rb2 Nd3 47.Rb1= a3 48.Nb5 Rd8 49.Nd4=+ Kb7 50.Kd2 Rc8 51.Kc3 Nb2–/+ 52.Kb3 Nc4 53.Re1 Ka6 54.Kb4 Nb2 55.Ka3 Nd3–/+ 56.Re2?? Rc3–+ 57.Nb3 Kb5 58.h5 Nc1 59.Re1–/+ Nb3 60.ab3 gh5 61.Rh1 Re3 62.Rh5 Rg3 63.Rf5= Kc6 64.Rh5 Rf3 65.Rh7 Rf4 66.Re7 Kd5–+ 67.Kb2 Kd4 68.Rd7 Ke3 69.Kc2 Ke2 70.Rd2 Ke3 71.Rd6?? b5–+ 72.Ra6 Rf2 73.Kc3 0–1. Struck,Bernd Dieter (1975) – Luecker,Horst (1975), Bad Zwischenahn Seniors op 1st, 2004.

4.Qb3 b6 5.Nf3 Bb7 6.g3 Nc6 7.a3 Be7 8.Bg2 0–0 9.0–0 d6 10.Nc3 Qe8 11.d4 Qh5 12.d5 ed5 13.Nd5 Nd5 14.cd5 Nd8 15.Rac1 Rc8 16.Nd4 a6 17.Rc2 Bf6 18.Ne6 Rf7 19.Bf6 gf6 20.Rfc1 Re7 21.Nd8 Rd8 22.Rc7 Qe2 23.Qc3 Rc7 24.Qc7 Rc8 25.Qc8 Bc8 26.Rc8 Kg7 27.Rc6 Qd1 28.Bf1 Qd5 29.Rb6 a5 30.Rb5 Qb3 31.ba5 Qa3 32.Rb7 Kg6 33.a6 d5 34.a7 f4 35.gf4 Kf5 36.Rh7 Kf4 37.h4 1–0. Kozun – Maciejewski, corr AMM PL 1990–92.

4.b5 a6 5.a4 b6 6.Nf3 Bb7 7.e3 Be7 8.Be2 0–0 9.0–0 c5 10.d3 d5 11.Na3 a5 12.d4 Nbd7? 13.Rc1 Rc8? 14.Ng5+– Bd6? 15.Ne6 Qe7 16.Nf8 Rf8 17.Nb1 Kh8 18.Nd2 Ne4 19.Nf3 Ndf6 0–1. algernon (2265) – vampirex (2250), net–chess.com, 2010.

4.b5 a6 5.e3 ab5 6.cb5 d5 7.a4 c5 8.Nc3 b6 9.Nce2 Bd6 10.Ng3 h6 11.Nh5= e5 12.Ng7+= Ke7 13.Nh5 d4 14.ed4 cd4 15.Nf6 Kf6 16.Qh5 Qe8 17.Qh4 Kg7 18.Nf3 Qg6?? 19.Ne5!+– Be5? 20.Qe7 Qf7 21.Qe5 Kh7 22.Qd4 Re8 23.Be2 Nd7 24.Kf1 Nc5 25.Bh5 (25.Bh5 Qg8 26.Be8 Ra4 27.Re1 Rd4 28.Re7 Qg7 29.Rg7 Kg7 30.Bd4 Kf8 31.Bc6+–) 1–0. baovn21 – tom01, kurnik, 2011.

4.b5 Bb4 5.a3 Ba5 6.Bc3 Bc3 7.Nc3 d6 8.g3 0–0 9.Bg2 Qe8 10.Nf3 e5 11.0–0 Nbd7 12.d4 e4 13.Ng5 h6 14.Nh3 Qf7 15.d5 Ne5 16.Qd4 Nfd7 17.f4 Ng4 18.Nf2 Qh5 19.Ng4 Qg4 20.e3 Nc5 21.Rab1 Bd7 22.a4 b6 23.Rf2 a6 24.Bf1 ab5 25.cb5 Rf6 26.Be2 Qg6 27.Rg2 h5 28.Bd1 Qf7 29.h4 Qe8 30.Kh2 Rf8 31.Ra2 Ra5 32.Bc2 Qf7 33.Qc4 Rfa8 34.Ne2 c6 35.bc6 Bc6 36.Nc3 b5 37.Qd4 Bd7 38.Rba1 ba4 39.Na4?? Qe8 40.Nc3=/+ Ra2 41.Ra2 Ra2 42.Na2 Qa8 43.Nc1 ½–½. Pabst,Robert (1615) – Just,Gabriele (1925), Aeskulap op, 1996.

4.b5 Bb4 5.e3 0–0 6.Nf3 d6 7.Be2 Qe8 (7...e5 8.0–0=) 8.0–0 Kh8 (8...e5 9.d4 e4 10.Qa4+=) 9.d4+= c5 10.Nc3 Nbd7 11.a4 e5 12.de5 de5 13.Qc2 e4 14.Nd2 Ne5 15.Rfd1 b6 16.Na2 Bd2 17.Rd2 Bb7 18.Rad1 Qe7 19.Nc3 Rae8 20.h3 Ng6 21.g3 Ne5 22.a5 Qf7 (better is 22...ba5!? 23.Qa4 Qc7+=) 23.Na4+/– Nf3 24.Bf3 ef3 25.Bf6 Qf6 26.ab6 (26.Rd7 Be4 27.Qc3 Qc3 28.Nc3 Ra8+–) 26...ab6 (26...Qh6!? 27.Qd3 ab6+=) 27.Rd6+/– Qg5 Black prepares the advance f4 (27...Re6 28.Qd3 f4 29.ef4+– (29.gf4?! Kg8+/–)) 28.Kh2 f4 29.Re1?? (29.ef4 Qh5 30.Nb6+/– (30.Rb6 Bc8 31.Rh6 Qh6–+)) 29...fg3–+ (29...fe3?! 30.Nb6 ef2 31.Rf1–/+) 30.fg3 f2 31.Rf1 Re3 0–1. Holz Auf Der Heide,Gerhard – Just,Gabriele (2025), 5th VfB op, 1998.

4.b5 c5 5.e3 a6 6.ba6 ba6 7.Nf3 Nc6 8.Nc3 h6 (8...d5 9.d4=) 9.Nh4 (9.Rb1 Bb7+=) 9...Rg8 10.Be2 g5 (10...Rb8!? 11.Rb1 Bb7+=) 11.Bh5+/– Nh5 12.Qh5 Ke7 13.Nd5! ed5 14.Nf5 Ke6 15.cd5 Kf5 (15...Kd5 16.Qf7 Ke4 17.f3 Kd3 18.Qb3) 16.e4! (16...Ke4 17.Qf3#) 1–0. Rook,I – Senior,A, Club, 1994.

4.b5 c5 5.e3 d5 (--> 4.b5 d5 5.e3 c5).

4.b5 c5 5.Nf3 d6 6.d4 cd4 7.Qd4 e5 8.Qd1 Nbd7 9.e3 Be7 10.Be2 0–0 11.Nbd2 Nc5 12.0–0 Nfe4 13.Qc2 Qe8 14.a4 Qg6 15.Rfd1 Be6 16.Ne1 Bh4 17.Ne4 Ne4 18.g3=+ Rac8 19.Rac1 Rc7 20.Nf3 Be7 21.Nd2 h5 22.Bd3 Nf6 23.Bf1 h4 24.Bh3 hg3 25.hg3 Rfc8 26.Qd3 Nd7 27.a5 Nc5 28.Qb1 Qh5 29.Kg2–/+ e4 30.Rh1 Nd3 31.Rc2 d5 32.Bc3 Bc5 33.cd5 Bd5 34.Qd1? Qd1 35.Rd1 Bb4 36.Bf5 Rc3–+ 37.Rc3 Rc3 38.Ne4 Ra3 39.a6 ba6 40.ba6 Kf7 41.Kg1 Bc4 42.Bc8 Ra2 43.Bb7 Ke7 44.f4 Ba5 45.Kh1 Bb6 46.Rd2 Be3 47.Ra2 Ba2 48.Nc3 Bc4 49.Kg2 Bd4 50.Ne4 Nc5 51.Nc5 Bc5 52.Kf3 Kd6 53.Ke4 Kc7 54.g4 Bb5 55.g5 Bc6 56.Ke5 Bd6 57.Kf5 Bb7 58.ab7 Kb7 59.Ke4 a5 60.f5 Be7 61.f6 Bf6 (61...Bf6 62.Kd3 Bg5–+) 0–1. Arechavaleta Saez,Julian – Montes de Santiago,F, corr Spain, 1981.

4.b5 c6 5.a4 a6 6.e3 Bb4 7.Bd3 ab5 8.ab5 Ra1 9.Ba1 0–0 10.Nf3 d5 11.Qb3 Bd6 12.0–0 Ne4 13.Ne5 Qa5 14.Be4?? de4?? 15.Bc3 Qc7 16.Qb2 cb5 17.cb5 Nd7 18.Nd7 Qd7 19.Rd1 Rf7 20.d3 Qe7 21.de4+= fe4 22.Nd2 Qh4 23.f4 ef3 24.Nf3 (24.Nf3 Qe7 25.Qd2+=). Istvanny – Gaudissimo (1775), internet, 2007.

4.b5 c6 5.a4 d5 6.e3 (--> 2…Nf6 3.c4 e6 4.b5 d5 5.e3 c6 6.a4).

4.b5 c6 5.a4 Be7 6.e3 0–0 7.Nf3 a6 8.Nc3 d6 9.Be2 Bd7 10.0–0 Qe8 11.Qb3 Ne4 12.Ne4 fe4= 13.Nd4 e5 14.Nc2 Bh4 15.f4 ef3 16.Rf3 Qg6 17.Rf8+= Kf8 18.Rf1 Kg8 19.e4 Bg4? 20.Bg4+– Qg4 21.c5 d5 22.ed5 Nd7?? 23.dc6 Kh8 24.cd7 Qd7 25.Be5 Rg8 26.d4 Bg5 27.Bd6 Qe8 28.ba6 (28.ba6 ba6 29.Qf7+–) 1–0. Wolf,Juergen – Silabetschky,Daniel, Muehlhaeusen op, 2007.

4.b5 c6 5.a4 Be7 6.Nf3 0–0 7.e3 d6 8.Be2 b6 9.d4 Bb7 10.Nbd2 Nbd7? 11.0–0 Rc8? 12.Qb3 c5? 13.Rfc1 Qe8 14.Ne1 Qg6 15.Bf3 Ne4 16.Qd3 Bh4 17.g3 Bf6 18.Ng2 e5 19.a5 Nf2 20.Kf2 e4 21.Qe2 ef3 22.Nf3 Rce8 23.d5 Bb2 24.Qb2 Ne5 25.Nf4 Qh6 26.Ne5 Re5 27.h4 Bc8 28.ab6 ab6 29.Ra7 g5 30.hg5 Qg5 31.Rh1 h6 32.Qa1 Rf7? 33.Rh5 Qg7 34.Ra8 Re8 35.Qh1 Rfe7 36.Rh6 Qb2? 37.Ne2+– Re3?? 38.Rg6 Qg7 39.Rg7 Kg7 40.Nf4 (40...R3e4 41.Qh5+–) 1–0. Knobloch,R – Zimmermann,J, 2.LLOstWolgast–Warnem., 2003.

4.b5 Ne4 5.Nc3 Bb4 6.Ne4+/– fe4 7.Bg7 Rg8 8.Bb2 Qg5 9.e3 d6 10.a3 Bc5 11.g3 Nd7 12.Ne2 e5 13.Bg2 Nf6 14.Qc2 Bf5 15.Nc3 0–0–0 16.Ne4+/– Be4 17.Be4 Ne4 18.Qe4 Rgf8 19.0–0 h5 20.d4 ed4 21.Bd4 Rde8 22.Qg2 Bd4 23.ed4 Re2 24.Rae1 Rfe8? 25.Re2+– Re2 26.Qf3 Re8 27.h4 Qg6 28.c5 dc5 29.dc5 Kb8 30.c6 b6 31.Kg2 Qh6 32.Rd1 Rf8 33.Qd5 Qf6 34.Rd2 a5 35.ba6 Ka7 36.Qh5 Ka6 37.Qd5 Ka7 38.f4 Qg6 39.h5 Qg7 40.Qd7 Rf7 41.Qc8 (41.Qc8 Qg3 42.Kg3 Rg7 43.Kh4 Rg4 44.Kg4 b5 45.Qb7#) 1–0. ludice (1770) – jantchinger, kurnik, 2011.

4.b5 Ng4 5.Nf3 d6 6.e3 Bd7 7.Be2 h6 8.0–0 Rg8 9.d4 Be7 10.Nbd2 Bf6 11.Nb3 Qe7 12.Re1 Qf8 13.Ba3 Qe7 14.h3 Nf2 15.Kf2 Rf8 16.Bd3 Qd8 17.e4 fe4 18.Be4 Bh4 19.g3 Bg3 20.Kg3 Qf6 21.Nbd2 Qf4 22.Kf2 Qh4 23.Kg2 Rf3 24.Nf3 Qh5 25.Bb7 Qg6 26.Kf2 Qh5 27.Ba8 Qh3 28.Bd5 Qf5 29.Be4 Qg4 30.d5 a6 31.de6 Be6 32.Bd5 ab5 33.Be6 Qf4 34.cb5 Kd8 35.Rc1 g5 36.b6 c6 37.Bd6 Qf6 38.Be5 Ke7 39.Bf6 Kf6 40.Qd6 g4 41.Nd4 c5 42.Bd5 Kg5 43.Re5 Kf4 44.Ne2# 1–0. Bonetti,Shane – MacChess 5.0, 2000.

4.d3? d5 5.a3 c6 6.Nf3 Bd6 7.Nbd2 0–0 8.Qa4 Bd7 9.c5 Bc7 10.e3 Be8 11.g3 Nbd7 12.d4 Ne4 13.Qc2 Bh5 14.Bg2 g5 15.0–0 Ndf6 16.Ne4 fe4 17.Ng5 Qe7 18.f4 ef3 19.Nf3 Ne4 20.Ne5 Be5 21.de5 Bg6 22.Qe2 Qg5 23.Rf4 Rae8 24.Raf1 Bf5 25.a4 Qh6 26.a5 Ng5 27.a6 ba6 28.Qa6 Nh3 29.Bh3 Qh3?? 30.Rh4+– Qf1 31.Qf1 Bg6 32.Qa6 Re7 33.Qc6 Kh8 34.Qd6 Ref7 35.Rf4 Rf4 36.ef4 Bf5 37.Qf8 1–0. Schalkwijk,Peter – Ong,Allan C, BI–2009–P–00015, 2009.

4.a3 a5

5.Qa4 Be7 =.

5.Qb3 ab4 6.ab4 Ra1 7.Ba1 Na6 8.Bc3 b6 9.e3 Bb7 10.Nf3 Be7 11.Be2 0–0 12.d4 Ne4 13.b5 Nb8 14.Bb2 c5 15.Nbd2 d6 16.0–0 Nd7 17.Rd1 Ndf6 18.Ne4 Ne4 19.Nd2 Qe8 20.Bf3 Nd2 21.Rd2 Bf3 22.gf3 Qh5 23.dc5 dc5 24.Rd7 Bf6 25.e4? Bb2 26.Qb2=+ Rf6 27.ef5 Qf3 28.Kf1? Qf5 29.Qd2 h6 30.Rd8–/+ Kh7 31.Qd3 Qd3 32.Rd3 Rf4 33.Rc3 Rd4 34.Ke2 g5 35.Ke3 Kg6 36.Ra3 Rc4 37.Ra6 Rc3 38.Ke2 Rc2 39.Ke3 Rc3 40.Ke4?? Rc4 41.Ke5 Rc2–+ 42.Rb6 Rf2 43.Re6=+ Kh5 44.Rc6 Rh2 45.b6 Rb2 46.Kd5?? c4 47.Kd4? g4–+ 48.Kc3 Rb3?? 49.Kc4=+ Rb1 50.Rc5 Kh4 51.Rb5 Rc1 52.Kd3 Rc8 53.b7 Rb8 54.Ke3 g3 55.Kf3+/– Rf8 56.Kg2 Rf2?? 57.Kg1+– Rf8 58.b8Q (58.b8Q Rb8 59.Rb8+–) 1–0. orangutanb4 (1950) – pontuseuxinus (1785), kurnik, 2011.

5.b5 b6 6.e3 Bb7 7.Nf3 d5 8.cd5 ed5 9.Nc3 Nbd7 10.Bd3 g6 11.e4?? fe4 12.Ne4 de4 13.Qe2 Qe7 14.0–0 ef3 15.Qe7 Be7 16.Rfe1 fg2 17.Rac1 Kd8 18.Bd4 Bd6 19.Be3 Re8 20.Rc3 Ng4 21.Bg5 Ndf6 22.Re8 Ke8 23.Be2 Bh2 0–1. b4_player (1860) – Canali (1900), GameColony.com, 2002.

5.b5 b6 6.Nf3 Bb7 7.Nc3 d6 8.g3 Nbd7 9.Bg2 Ne5 10.d3 Ra7 11.0–0 Qa8 12.Ne1 Be7 13.Qb3 Kf7 14.d4 Ned7 15.Bb7 Qb7 16.Nf3 h6 17.Nd2 Raa8 18.Rae1 Rae8 19.e4 fe4 20.Nce4 Rhf8 21.Qf3 d5 22.Nc3 Bd6 23.Qg2 Qa8 24.f4 g6 25.Nf3 dc4 26.Qc2 Nd5 27.Ne4 Rg8 28.Qc4 Kg7 29.Qd3 Qd8 30.Nc3 Qf6 31.Ne5 Re7 32.Qf3 Nc3+/– 33.Qc3 Kh7 34.Qc4 Nf8 35.Re2 Qf5 36.Kg2 g5 37.fg5 Qg5 38.Qc2 Ng6 39.Bc1 Qh5 40.Qe4 Be5+/– 41.de5 Kh8 42.Kh1 ½–½. Lacerda Guimaraes,Jose – Stenzel,Erbo, BRA–ch Campinas, 1962.

5.b5 b6 6.Nf3 Bb7 7.g3 d6 8.Bg2 Be7 9.0–0 0–0 10.d3 Qe8 11.e4 fe4 12.Ng5 Bd8 13.Nd2 Nbd7 14.Nge4 Ne4 15.Ne4 Qg6 16.Re1 Rb8 17.d4 e5 18.Rc1 Be7 19.Rc2 Kh8 20.a4 ed4 21.Bd4 Nf6 22.Nc3 Bg2 23.Kg2 Rbe8 24.Rce2 Qf7 25.Qd3 Bd8 26.Bf6 Bf6 27.Nd5 Re5 28.f4 Re2 29.Qe2 h5 30.Qe6+/– Kh7 31.Qf7 Rf7 32.Re8 Rd7 33.Kf3 Kg6 34.Ke4 Kf7 35.Rc8 Bd8 36.f5 h4 37.Nf4 Bf6 38.Ng6 Be7 39.Nf4 d5?? 40.cd5+– Bd6 41.g4 h3 42.g5 Bf4 43.Kf4 Rd5?! 44.g6 Kf6 45.Rf8 Ke7 46.Rf7 Ke8 47.Rg7 Rd4 48.Kg3 Ra4 49.f6 Ra3 50.Kg4 Ra1 51.Rg8 (51.Rg8 Kd7 52.f7 Rg1 53.Kh3 Rg6 54.f8Q Rg8 55.Qg8+–) 1–0. Agdestein,Simen (2590) – Nordahl,H (2370), TCh–NOR Open, 2006.

5.b5 Bc5 6.d4 Be7 7.Nf3 =.

5.b5 Be7 6.Nf3 d6 7.d4 0–0 8.e3 Qe8 9.Be2 Qg6 10.0–0 Nbd7 11.Nc3 Ne4 12.Nd2 Bg5 13.f4 Bh4 14.Nde4 fe4 15.Qc2 Nf6= 16.Kh1 d5? 17.g3+– Bg3 18.Rg1 Nh5 19.Bh5 Qh5 20.Rg3 c6 21.Rag1 Rf7 22.a4 e5 23.de5 Be6 24.cd5 cd5 25.Qg2 g6 26.Ne2 Re8 27.Nd4 Bc8 28.Bc3 b6 29.Rg5 Qh6 30.f5 Ref8 31.fg6 Rf2 32.gh7 Kh7 33.Rg7 Kh8 34.Rg8 Kh7 35.Qg7 Qg7 36.R1g7 Kh6 37.Rf8 Rf8 38.Rg1 Bh3 39.Be1 Rc8 40.Bg3 Kg6 41.Bf4 Kf7 42.Nc6 Bd7 43.Rd1 Be6 44.Kg2 Rg8 45.Kf2 Rc8 46.h4 Rh8 47.Rh1 Bd7 48.h5 Kg7 49.Rg1 Kh7 50.h6 Rg8 51.Rg8 Kg8 52.Ne7 (52...Kh7 53.Nd5+–) 1–0. Kreuzer,Martin (2285) – Irad, Mannheim GER, 1995.

5.c5 ab4 6.ab4 Ra1 7.Ba1 Be7 8.e3 0–0 9.Nf3 Nd5 10.Qb3 b6 11.Nc3 Nc3 12.Bc3 bc5 13.bc5 Ba6 14.d4 Bf1= 15.Kf1 Nc6 16.Ke2 Qe8 17.Qb7 Qa8 18.Qa8 Ra8 19.Rb1 d6 20.Rb7 Ra7 21.Ra7 Na7 22.Ba5 dc5 23.Bc7 Nb5 24.Bb6 cd4 25.Nd4 Nd4 26.Bd4 Bd6 27.f4 Kf7 28.Kf3 Bb4 29.h3 g6 30.e4 Ba3 ½–½. Philippe,Georges – Heidenfeld,Wolfgang, Enschede zt, 1963.

4.a3 b6

5.d4 Bb7 6.f3 Be7 7.Qb3 0–0 8.Nh3 Qe8 9.Nd2 d6 10.Nf4 Qf7 11.h4 Nbd7–/+ 12.Nd3 Rab8 13.0–0–0 a6 14.Re1 c5 15.e3 Rfc8 16.Kb1 b5 17.Nf4 cb4 18.cb5 ba3–+ 19.Ba3 Nd5 20.Nd5 Bd5 21.Qb4 ab5 22.e4 fe4 23.fe4 Bc4 24.Be2 Qf2 25.Bd1 Qd4 26.Nb3 Bd3 27.Ka2 Qb4 28.Bb4 Ra8 (28...Ra8 29.Ba5 Nc5–+) 0–1. Laco,G (2125) – Cherin,D (2285), 12th Open, Trieste ITA, 2010.

5.Nf3 Bb7 6.e3 a5 7.b5 Be7 8.d4 0–0 9.Nbd2 Qe8 10.g3 d6 11.Bg2 Nbd7 12.0–0 Ne4 13.Ne4 Be4 14.Rc1 Rd8 15.Qb3 Qh5 16.Nd2 Bg2 17.Kg2 Rf6 18.Qd1 Qf7 19.c5 dc5=+ 20.dc5 Rh6 21.cb6= cb6 22.Qe2 Nc5 23.Bd4 e5 24.Bc5 Bc5= 25.Nc4 f4 26.Ne5 Qd5=+ 27.Nf3 fe3 28.Rcd1 Qa8 29.fe3 Re8 30.Rd3 Rhe6 31.Qa2 Kh8 32.Rfd1 h6?? 33.Qe6+– Re6 34.Rd8 Qd8 35.Rd8 Kh7 36.Rd3 Be3 37.Nd2 Bc5 38.Kf3 Re1 39.Nb3 Bg1 40.h3= a4 41.Nd4 Rb1 42.Kg2 Bd4= 43.Rd4 Rb2 44.Kg1 Rb3 45.Ra4 Rg3 46.Kh2 Rb3 47.Ra6 Rb5–/+ 48.a4 Rb2 49.Kg3 Rb3 50.Kg2 Rb4 51.a5 ba5–/+ 52.Ra5 g5 53.Ra6 Rf4 54.Kg3 Kg7 55.Rb6 h5 56.Ra6 Rf6 57.Ra5 Kg6 58.Ra3 Re6 59.Rf3 Re2 60.h4 g4–+ 61.Ra3 Kf5 62.Rb3 Re1 63.Rb5 Re5 64.Rb3 Rd5 65.Ra3 Ke4 66.Ra4 Rd4 67.Ra5 Rd3 68.Kg2 Rd5 69.Ra4 Ke3 70.Ra3 Rd3 71.Ra5–/+ Kf4 72.Ra4 Ke5–+ 73.Ra5 Ke4 74.Ra4 Rd4 75.Ra3? Rd2–+ 76.Kg1 Rd3 77.Ra5 Kf3 78.Ra1? Kg3–+ 79.Rb1 Kh4 80.Kf2 Rd2 81.Ke3 Rh2 82.Rf1 Kg3 83.Rg1 Rg2 84.Ra1 h4 85.Ke4 h3 86.Ra3 Kh2 87.Kf4 g3 88.Ra1 Rf2 89.Ke3 Rb2 (90.Ra8 Kg2–+) 0–1. Amor Alcaide,Manuel – Tejero Garces,Jorge (2260), St Cugat op, 1995.

5.Nf3 Bb7 6.e3 Be7 7.Be2 0–0 8.0–0 c5 9.Qb3 Na6 10.b5 Nc7 11.a4 d6 12.a5 e5 13.d4+= e4 14.Nfd2 Ne6 15.Rd1 Qe8 16.d5+/– Ng5 17.Nc3 h5 18.ab6+/– ab6 19.Ra8 Ba8 20.Ra1 Bb7 21.Ra7 Qb8 22.Qa2 h4 23.h3 Nd7 24.Nd1 Bf6 25.Bf6 Rf6 26.Nc3 Nf7 27.Nce4 fe4= 28.Ne4 Rh6 29.f4 Nf6 30.Ng5 Rg6?? 31.Nf7+– Ne4 32.Bd3 (32.Bd3 Rf6 33.Be4 Rf7 34.Ra3+–) 1–0. Ivanets,Vladimir (2290) – Bondick,Karl_Heinz (2130), 05sen.Europa–EM2005, 2005.

5.Nf3 Bb7 6.g3 Be7 7.Bg2= 0–0 8.0–0 a5 9.b5 Ne4 10.Nc3 Bf6 11.d4 d6 12.Qc2 Nd7= 13.Rad1 Qe7 14.Ne1 Nc3= 15.Bc3 Bg2 16.Ng2 Rac8 17.e4 g6 18.Rfe1 Qf7 19.f4 Rfd8 20.Ne3 Re8 21.Ba1 fe4 22.Qe4 e5 23.fe5 de5 24.Ng4 ed4? 25.Nf6+– Nf6 26.Qd4 Kg7 27.Re8 Re8 28.Qf6 Qf6 29.Rd7 (29.Rd7 Kf8 30.Bf6+–; 29.Bf6?! Kf6 30.Rf1 Kg7=) 1–0. Dobosz,H (2450) – Trapp,Maximilian, LGA Premium Cup, Nuernberg GER, 2004.

5.g3 Bb7 6.Nf3 c5 7.Qa4 Be7 8.Bg2 0–0 9.0–0 Na6 10.b5 Nc7 11.Qb3 d5 12.d3 Qe8 13.Nbd2 Qh5 14.a4 Rad8 15.a5 dc4 16.Nc4 Ng4 17.h3 Bf3 18.ef3 (worse is 18.Bf3 Qh3 19.Bg4 Qg4+=) 18...Nf6 19.ab6 ab6 20.Ra7 Nfd5 21.Be5 Ra8? (better is 21...Na8+=) 22.Rc7+– Nc7 23.Bc7 Rf6?! (23...Bd8 24.Bb6 f4+–) 24.Nb6 c4 (24...Ra7 25.Be5 Rh6 26.Nc8+–) 25.Qc4 (worse is 25.dc4 Ra3 26.Qd1 Ra7+–) 25...Ra3 (25...Re8 26.Nd7 Rf7 27.Qe6+–) 26.Nd7 Rg6 (26...Qe8 27.Qc6 Kh8 28.Nf6 Qc6 29.bc6 gf6 30.Re1+–) 27.b6 (27.b6 Ra8 28.b7+–) 1–0. McCambridge,Vincent (2495) – Salomon,J (2180), National op Las Vegas, 1997. (=1.c4 f5 2.b4 e6 3.Bb2 Nf6)

4.a3 d5

5.cd5 ed5 6.d3 Bd6 7.Nd2 0–0 8.g3 c6 9.Bg2 f4 10.Ngf3 h6 11.Qb3 Be6 12.e4 fe3 13.fe3 Qe8 14.Nd4 Ng4 15.Ne6 Qe6 16.e4 Nh2 17.0–0–0 Bg3 18.ed5 Qf7 19.Ne4 cd5?? 20.Ng3+– Qf4 21.Kb1 Qg3 22.Qc3 Nf3?? 23.Bf3 Rf3 24.Rdg1 Nd7 25.Rg3 Rg3 26.Rh3 Rg1 27.Ka2 Nf6 28.Rf3 Rf8 29.Qd4 Rg2 30.Qa7 Rf7 31.Qb8 Kh7 32.Qe5 Nd7 33.Qd5 Re7 34.Rf2 Rg5?? 35.Qd6+– Re1 36.Rd2 b5 37.Qd7 Rgg1 38.Kb3 Re3 39.Qb5 Rgg3 40.Qf5 g6 41.Qg6! (41.Qg6 Kg6 42.Kc4+/–) 1–0. sagonek – bastern (1680), kurnik, 2011.

5.cd5 ed5 6.e3 c6 7.Nf3 Bd6 8.d3 0–0 9.Be2 Qe8 10.Nbd2 Nbd7 11.0–0 Ne5 12.Ne5 Be5 13.Be5 Qe5 14.Nf3 Qe7 15.d4 Ne4 16.Bd3 Bd7 17.Qc2 Rf6 18.Be4 fe4 19.Ne5 Rh6 20.Nd7 Qd7 21.g3? Rf8–+ 22.Kg2?? Rf3 23.Qe2?? Qh3 24.Kg1 Qh2 0–1. Fournier,Frederic – Guest3463350, Partie amicale, 1m + 0s, 2008.

5.e3 a5 6.b5 Nbd7 7.Nf3. Fournier,Frederic (2480) – Yahia,Waleed (2350), chess.com, 2010.

5.e3 c6 6.Nf3 Bd6 7.d4 0–0 8.c5 Bc7 9.Nc3 Nbd7 10.Bd3 Ne4 11.Ne2 Qe8 12.g3 Ndf6 13.0–0 Qh5 14.Nf4 Qh6 15.h4 Ng4= 16.Kg2? Nef2–+ 17.Qe2 Nd3 18.Qd3 a5 19.Bc3 b6 (20.Qd2 ab4 21.ab4 Ba6–+) 0–1. de Visser,Arno – Cottarelli,Franco, Sokolski, 2003.

5.e3 Bd7 6.Nc3 a5 7.Qb3 ab4 8.ab4 Ra1 9.Ba1 dc4 10.Bc4 Nc6 11.Be6 Bb4 12.Bf7 Kf8 13.Nf3 Qe7 14.Bd5 Na5 15.Qa2 c6 16.Bb3 Nb3 17.Qb3 Be6 18.Qa4 b5 19.Qa8 Qe8 20.Qa6 Qc8 21.Qb6 Nd7 22.Qd4 Bc5 23.Qf4 Nf6 24.0–0 Be7 25.Rc1 Nh5 26.Qd4 ½–½. Goan – Benussi, email 4AMM–04 1997.

5.e3 Bd7 6.Nf3 a6 7.d4 c6 8.Nbd2 Bd6 9.Be2 a5 10.b5 Qb6 11.c5 Bc5 12.dc5 Qc5 13.bc6 Nc6 14.0–0 0–0 15.Ne5 Ne5 16.Be5 Qe7 17.Nf3 Bc6 18.Nd4 Nd7 19.Nc6 bc6 20.Bc3 e5 21.Qa4 1–0. phildo (1850) – dasman, gameknot.com, 2012.

5.e3 Nbd7 6.Nf3 dc4 7.Bc4 Nb6 8.Bb3 c5 9.bc5 Bc5 10.d4 Bd6 11.0–0 0–0 12.Qc2 Qc7? 13.Qf5 Nfd5 14.Qc2 Qe7 15.Nbd2 Bd7 16.Ne4 Rac8 17.Qd3 Bb8 18.Rac1 Na4 19.Neg5 Nf6 20.Ba1 a6 21.Ne6 Be6 22.Ba4 Kh8 23.Bb2 Rc1 24.Rc1 Nd5 25.Qe4 Qd6 26.Ne5 Bf5 27.Qh4 Qb6 28.Nc4 Qg6 29.Bd1 b5 30.Nd2 Bd3 31.Bf3 1–0. Blaszczak – Adamowski, corr 2. AMM PL 1992–93.

4.a3 Be7

5.Qc2 0–0 6.h3 b6 7.g4 Bb7 8.Nf3 Ne4 9.Rg1 Bh4 10.Rg2 Nf2 11.Bg7? (better is 11.Rf2 Bf2 12.Kf2 fg4 13.hg4 Qh4 14.Kg1 Qg3 15.Bg2–/+) 11...Ne4 (11...Kg7?! 12.Nh4 Bg2 13.Qc3 Kg8 14.Ng2 fg4 15.hg4–+) 12.Kd1 Kg7 13.gf5 Kh8 0–1. Varavin,Viktor (2445) – Gorbushin,Anatoly (2255), RUS–Cup08 Omsk/Perm, 1998. (=1.c4 f5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7)

5.Nc3 0–0 6.d4 c6 7.Nf3 d5 8.e3 a5 9.c5 b6 10.Ne5 bc5 11.bc5 Nfd7 12.Nd3 e5 13.de5 Nc5 14.Nc5 Bc5 15.Na4 Ba7 16.Qc2 f4 17.e4 Be6 18.Bd3 Qe7 19.ed5 cd5 20.Bh7 Kh8 21.Bd3 Nd7 22.Qe2 Qg5 23.h4 Qh6 24.Rc1 Rac8 25.Rc2 g5 26.Bb5 Kg8 27.Qd2 Rc2 28.Qc2 Nb6 29.Nb6 Bb6 30.Qc6 Bd8 31.Qd6 Qg6 32.0–0 gh4 33.Bd3 Qf7 34.Bc1 Bc7 35.Qc5 Be5 36.Qc2 Kg7 1–0. Arno de Visser – Vrolijk, Noordkop, 1987.

5.d3 0–0 6.Nd2 d6 7.Ngf3 e5 8.e4 f4 9.g3 Bg4 10.Qb3 Kh8 11.gf4 Nh5 12.f5 Nf4 13.Rg1 Bh5 14.0–0–0?? Nd7?? 15.d4+= Bf6 16.Re1 ed4 17.Nd4 Bd4?? 18.Bd4+– Ne5 19.f3?? Qh4+= 20.Qe3 b5? 21.cb5+– a6 22.ba6 Ra6?? 23.Ba6 Ra8 24.b5 c6 25.a4 cb5 26.Bb5 Rc8 27.Kb2 Qh2 28.Rc1 Rf8 29.Be5 de5 30.Rh1 Qg2 31.Rcg1 1–0. sagonek – volkhard, kurnik, 2011.

5.d4 0–0 6.e3 d6 7.g3 Nbd7 8.Bg2 e5 9.Nf3 e4 10.Ng5 Nb6 11.Qb3 h6 12.Nh3 g5 13.0–0 Be6 14.Nd2 Qe8 15.Qc3 Qf7 16.Rac1 c6 17.Qc2 Qe8 18.a4 Qd7 19.a5 Nc8 20.d5 cd5=+ 21.Bf6 Bf6 22.cd5 Bd5 23.Rfd1 Ne7 24.Bf1 Rfc8 25.Qb1 Rc1 26.Rc1 Rc8 27.Kg2 Rc6 28.Ng1 Qc7 29.Ne2 Ng6 30.Rc6 Qc6 31.Nd4?? Bd4 32.ed4 e3 33.Kg1 ed2 34.Be2 Qc1 (34...Qc1 35.Qc1 dc1Q 36.Bf1 Bc4 37.h3 Qf1 38.Kh2 Qf2 39.Kh1 Bd5) 0–1. ludice (1735) – formen24 (1695), kurnik, 2011.

5.d4 a5 6.c5 b6 7.e3 bc5 8.dc5 Bc5?? 1–0. Boettcher – Moeller Nielsen, corr 3GMM–44 1994–96.

5.e3 0–0 6.Nc3 d6 7.Nf3 e5 8.c5 e4 9.cd6 cd6 10.Nd4 Kh8 11.Bc4 d5 12.Bb3 Nc6 13.Nce2 Nd4 14.Bd4 Be6 15.Qc2 Bd6 16.Qb2 Qe7 17.g3 b6 18.Nf4 Bf4 19.gf4 Rac8 20.Rg1 Rf7 21.h3 Kg8 22.Rg3 Ne8 23.Ke2 Nd6 24.Rag1 Ne8 25.Qa1 Kf8 26.h4 Rd8 27.h5 Bd7? 28.h6+– Bb5 29.Ke1 g6?? 30.Rh1 Nf6+= 31.Qc3 Kg8 32.a4 Bd3 33.Rg5 Qb7?? 34.f3?? Rc8= 35.Qb2 Qc6 36.Kf2 ef3 37.Bf6 Qf6 38.Qf6 Rf6 39.Bd5 Kf8 40.Kf3?? Rc2?? 41.Rd1 Rd6 42.e4 Be4 43.Be4 fe4 44.Ke4 Rc4 45.d4 Rb4 ½–½. Ossa,Orlando Jose (2240) – Lotero,Faiber (2075), Bucaramanga op, 2008. (=1.a3 f5 2.b4 Nf6 3.Bb2 e6 4.c4 Be7)

5.Nf3 b6 6.d4 Bb7 7.e3 0–0 8.Nc3 h6 9.Ne5 d6 10.Ng6+= Rf7 11.Ne7 Qe7= 12.d5 ed5 13.cd5 Nbd7 14.Be2 Ne4 15.0–0 Ndf6 16.f3?? Nc3–+ 17.Bc3 Nd5 18.Bd4 c5 19.bc5 dc5 20.Bb2 Ne3 21.Qb3 Nf1 22.Bf1 Kh7 23.Bc3 Qe3 24.Kh1 Re7 25.Re1 Qg5 26.Re7 Qe7 27.Qc2 g6 28.Bd3 Re8 29.h3 a6 30.Qf2 b5 31.Bc2 c4 32.Bb4 Qe2 33.Qa7 Re7 34.Be7 Qe7 35.Qf2 Kg7 36.Qd4 Kf7 37.Qc3 Qc7 38.Kg1 a5 39.Kf1 (39...Ba6 40.Qd2–+). gistov – gotha, Caissa's Web, 2004.

5.Nf3 d6 6.e3 e5?! 7.Be2 0–0 8.Nc3 Qe8 9.Qc2 a5 10.b5 Qg6 11.0–0 Be6 12.d4 e4 13.Nd2 Qh6 14.Rfe1 Kh8 15.Kh1 c6? 16.f4! Nbd7 17.a4 Qh4 18.Nb3 Nb6 19.bc6 bc6 20.c5 Nc4 21.Bc1 Rfb8 22.d5! cd5 23.Nd4 Bc8 24.Nd5 Nd5 25.Qc4 Nb4 26.cd6 Bd6 27.Nb5 Be7 28.Bb2 Ba6 29.Red1 Bf6 30.g3 Qh6 31.Rd6 Rd8 32.Rad1 Nd3 33.Bd3 Rd6 34.Nd6 Bc4 35.Bc4 Rf8 36.Nf7 Rf7 37.Bf7 Qh3 38.Rc1 h6 39.Bg6 Bc3 40.Bc3 Qg4 41.Bd4 Qg6 42.Rc8 Kh7 43.Rc7 Kg8 44.Rg7 Qg7 45.Bg7 Kg7 46.Kg2 Kg6 47.Kh3 Kh5 48.g4 1–0. Rogoff – Irvine, USA 1970.

5.f4 b6 6.Nf3 Bb7 7.e3 0–0 8.Be2 d6 9.0–0 c5 10.d3 Na6 11.Qb3 Ng4 12.Bc1 d5 13.h3 Nf6 14.b5 Nc7 15.Ne5 dc4 16.dc4 Bd6 17.Bb2 Ne4 18.Bf3 Ne8 19.Qc2 Qh4 20.Nd2 N8f6 21.Ne4 Ne4 22.Rfd1 Be5 23.Be5+= Rad8 24.Rd8 Rd8= 25.Bc3 Rd2! (26.Bd2 Qf2 27.Kh1 Ng3 28.Kh2 Bf3–+) 0–1. Krueger,D – Glowatzky,Tihomir, M52D, 1991.

5.g3 0–0 6.Bg2 d5 7.Nf3 a5 8.b5 Nbd7 9.Qc2 Nc5 10.0–0 c6 11.bc6 bc6 =. Miralles.

5.h4 0–0 6.h5 h6 7.Nc3 d5 8.cd5 ed5 9.Nf3 d4 (better is 9...a5) 10.Qb3 Kh8 11.Nb5 Nc6 12.Nbd4 Nd4 13.Bd4 b6 (better is 13...Qe8) 14.e3 c5 15.bc5 bc5 16.Bc3 Bd7? (16...Ne4 17.Ne5) 17.Ne5 Be8 18.Ng6 Bg6 19.hg6 Rb8 20.Qa4 Qc7 21.Qh4 Ng4 22.Qh6 Nh6 23.Rh6 Kg8 24.Bc4 Rf7 25.gf7 Kf8 26.Rh8 1–0. Wall,Bill – Guest1247738, playchess.com, 2012.

5.Nf3 0–0

6.Nc3 a5 7.b5 c5 8.e3 b6 9.Be2 Bb7 10.0–0+= d6 11.Ng5 Qd7 12.d4 h6 13.Nf3 Ne4 14.Ne4 fe4 15.Nd2 d5 16.Qb3 Qe8 17.dc5 Bc5= 18.Qc3 Qg6 19.Qe5 Nd7 20.Qc7+= Bc8 21.Nb3+/– Be7 22.Nd4 e5 23.Qc6 Nf6 24.Ne6 Be6 25.Qe6 Qf7 26.Qf7 Kf7 27.Be5 Rac8 28.Rfc1 Bc5 29.cd5+– Nd5 30.Bc4 Ke6? 31.Bg7 Rg8 32.Bh6 Rg6 33.Bf4 Rcg8 34.Rd1 Rd8 35.Rd5 Rd5 36.Rd1 1–0. Wall,Bill – KnowNothing, chess.com, 2010.

6.d4 b6 7.e3 Bb7 8.Be2 h6 9.0–0 a5 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 Ne4 13.Nbd2 g5 14.Ne4 Be4 15.Nd2 Bb7 16.Bf3 c6 17.b5 g4 18.bc6 gf3 19.Nf3?? Bc6 20.Ne5 Bb7 21.d5 Bd6 22.Qc3 Qf6 23.Rd1 Qe5 24.Qe5 Be5 25.Be5 Na6 26.f3? Nc5 27.Bd6 Ra8 28.Bc5 bc5 29.de6 de6 30.Rd6 Re8 31.Rd7 Ba6 32.Rc7 Bc4 33.Rc5 Bd5 34.Kf2 Rb8 35.Rc7 Rb2 36.Kg3 Kh8 37.h4 h5 38.Re7 Kg8 39.Rc7 Kh8 40.Re7 Kg8 41.Rc7 Re2 42.Rc3 Kf7 43.Rc7 Kf6 44.Rc3 Ke5 45.Ra3 Kf6 46.f4?? Be4 47.Rc3 Rg2 48.Kh3 Rf2 49.Ra3 Rf3 50.Kh2 Bd5 51.Rc3 Ke7 52.Rc7 Kd6 53.Rc3 Be4 54.Ra3 Kd5 55.Ra5 Kc4 56.Ra3 Kb4 57.Ra6 Bd5 58.Ra1 Re3 59.Rb1 Kc4 60.Rc1 Kd4 61.Rd1 Ke4 62.Rc1 Kf4 63.Rf1 Rf3 (63...Rf3 64.Rc1 Rf2 65.Kg1 Kg3–+) 0–1. bratek55 (1630) – srbisucigani, kurnik, 2011.

6.e3 a5 7.b5 d6 8.Be2 e5 9.d3 Qe8 10.0–0 Nbd7 11.d4 e4 12.Nfd2 Kh8 13.f3 ef3 14.Nf3 Ne4 15.Nbd2 Ndf6 16.Ne4 Ne4 17.d5 (17...Bf6 18.Bf6 Rf6 19.Bd3=; 17.Nd2 Be6=). Oesterberg – Law, corr 3GMM–12, 1995.

6.e3 d5 7.cd5 ed5 8.Be2 Ne4 9.d3 Nf6 10.0–0 Nbd7 11.Nc3 c6 12.Qb3 Bd6 (12...Qb6 13.d4=) 13.e4+= fe4 (13...Qb6 14.ed5 c5 15.b5+/–) 14.de4+/– Kh8 15.ed5 Nd5 16.Nd5 cd5 17.Qd5 Nf6 18.Qd4 Be7 19.Qd8 Rd8 20.Rfe1 Bd6 (better is 20...Bg4+–) 21.Ng5 Rf8 22.Bc4 Bc7? (22...b5 23.Nf7 Kg8 24.Nd6 bc4+–) 23.Re7 Bd6 24.Nf7 Kg8 (24...Rf7 25.Rf7 h6 26.Bf6 gf6 27.Rd1 Bh2 28.Kh2+–) 25.Nd6 Kh8 26.Bf6 (better is 26.Nf7 Rf7 27.Rf7 Bf5 28.Rf6 Bg6+–) 26...gf6 27.Bd3 f5 28.Rc1 a5 29.Rcc7 Rd8 30.Rh7 Kg8 31.Bc4 Kf8 32.Rh8# 1–0. Fournier,Frederic (1930) – Thomson,John (1650), Chess.com (Tournoi ferme), 2012.

6.e3 d5 7.Bf6 Bf6 8.d4 c6 (8...f4 9.Qc2=) 9.Nbd2 (9.Nc3 a5=) 9...Nd7 (9...a5 10.Bd3=) 10.Be2 (10.Bd3 a5+=) 10...Qe8 11.Qb3 (11.0–0 e5+=) 11...a5 (11...Qf7 12.Qc3=) 12.0–0+= Kh8 (12...a4 13.Qc2+=) 13.cd5 (13.ba5 Ra5 14.Bd3 b6+=) 13...ed5= 14.Bd3 g6 (14...Qe6 15.Qc3=) 15.Rfc1 (15.Qc3 ab4 16.ab4 Ra1 17.Ra1 Bg7+=) 15...Be7 (15...ab4 16.ab4 Ra1 17.Ra1+=) 16.b5 Nf6 (16...a4 17.Qb2+=) 17.Ne5 (17.bc6 bc6 18.Qb6+/–) 17...c5 (better is 17...a4!? 18.Qb1 Bd7+/–) 18.dc5+– Bc5 White gets strong play along the open c–file (18...Ne4 19.Ndf3+–) 19.Ng6! (19.Rc5?! Qe5 20.Re1 f4+/–) 19...Qg6 (19...hg6 20.Rc5) 20.Rc5 Ne4 21.Qb2 Qf6 22.Qf6 Rf6 23.Ne4 fe4 24.Be2 Be6 25.Rc7 Rc8 26.Rac1 Rc7 27.Rc7 Rf7 28.b6 Rd7 29.h3 Kg7 30.Bg4 Bg4 31.hg4 Rf7 32.f4 Kf6 33.g5 Ke6 34.Rf7 Kf7 35.f5 Kg7 36.g4 (36.g4 a4 37.Kf2+–) 1–0. Tischer,Uwe – Troebitz,S, corr DDR–ch3, 1971.

6.g3?! b6 7.Bg2 Bb7. Miralles.

6.g3 d5 7.Bg2 a5 8.b5 Nbd7 9.Qc2 Nc5 10.0–0 c6 11.bc6 bc6 12.d4 Nce4 13.Ne5 Qe8 14.f3 Nd6 15.Nd2 Nf7 16.Nd3 Nd6 17.Rae1 Ba6 18.c5+= Nc4 19.Nc4= Bc4 20.Ne5 Ba6 21.Rf2 f4 22.gf4 Nh5 23.e3 Bh4 24.Bc3 a4 25.Rb1 Bf2 26.Qf2 Nf6 27.Qg3 Bb5 28.Bf1 Bf1–/+ 29.Rb7?? Nh5–+ 30.Qg5 (30.Qh4 Ba6 31.Re7 Qd8 32.Nc6 Qc8–+) 0–1. Perez Perez,Francisco Jose – Najdorf,Miguel, Mar del Plata, 1961.

6.g3?! d6 7.Bg2 a5 8.Nc3 Nbd7 9.b5 Rb8 10.d4 c5 11.d5 e5 12.0–0 Nb6 13.Nd2 e4 14.e3 Ng4 15.Qe2 Ne5 16.Rab1 Bf6 17.f3 ef3 18.Bf3 Re8 19.Bg2 Ng4 20.Rf3 Ne3!–/+ 21.Re1 Bd4 22.Kh1 Bd7?? 23.Qd3 Ng4 24.Re8 Qe8 25.Qf1 Ne5 26.Rf4 Be3 27.Ncb1 Bf4 28.gf4 Ng6 29.Be4?? fe4 (30.f5 Nh4–+) 0–1. Krolik – Nielsen, corr ICCF TT–4–90 semi, 1994.

6.g3 d6 7.Bg2= c6 8.0–0 e5 9.d4 e4 10.Nfd2 d5 11.cd5 cd5 12.Nc3 Bd7 13.Qb3 Be6 14.Na4 b6 15.Rac1 Qd6 16.Rc2 Nc6 17.Rfc1 Nd4?? 18.Bd4+– Rac8 19.f4 Nh5 20.Be5 Rc2 21.Rc2 Qd8 22.Rc7 Rf7 23.Ra7 Bc5 24.Nc5 bc5 25.Rf7 c4 26.Rg7 Ng7 27.Qc3 Ne8 28.a4 Bd7 29.Qd4 Ba4 30.Nc4! Bb5 31.Ne3 Be2 32.Nf5 Bh5 33.Be4! (33.Be4 de4 34.Qd8+–) 1–0. Buss – Eastland, corr USCF, 1991.

6.e3 b6

7.Nc3 Bb7 8.d4 c5 9.bc5 bc5 10.d5 ed5 11.cd5 +=.

7.Nc3 Bb7 8.d4 Ne4 9.Qc2 d6 10.Bd3 Nc3 11.Qc3 (11.Bc3 Qe8 12.d5 a5+/–) 11...d5 (11...Nd7!?=) 12.c5 c6 13.0–0 Nd7 14.Qc2 Qe8 15.Be2 Rf6 16.Ne1 Rh6 17.f4 (17.Nd3 Qb8 18.g3 Qe8+=) 17...Nf6 18.Rf3 (18.Nf3 Nd7=) 18...Ne4 19.Nd3 (19.Rf1 g5 20.fg5 Bg5+=) 19...g5 (19...Ba6 20.Nc1 Qc8 21.Nd3+=) 20.fg5= Ng5 (20...Bg5 21.Raf1=) 21.Rg3 Kh8 (21...Ba6 22.e4 de4 23.Nf4 Be2 24.Qe2=) 22.Nf4 (22.Nf2 Qf7+/–) 22...Ne4 23.Rh3 Bg5 (23...Rh3 24.Nh3 Bd8 25.Nf2+=) 24.Rh6+= Bh6 25.Rf1 (25.Bd3 Bc8+=) 25...Qf7 (25...bc5 26.dc5 Kg8 27.Rf3+=) 26.Bd3 Rg8 27.Qe2 Bf4 28.ef4 Qg6 29.Rc1 b5 30.Rc2 Qh6 31.Bc1 Kg7 32.Be3 Kf6 33.Rc1 Qh3 34.Re1 Bc8 35.Qf1 Bd7 36.Re2 Be8 37.g3 Qg4 38.Rg2 Bh5 39.Be4 fe4 40.Ra2 Qd1 41.Qd1 Bd1 42.Kg2 Bf3 43.Kf2 Bd1 44.Ra1 Ba4 45.h3 h5 46.Rh1 Kf7 47.Rg1 Kf6 48.Bd2 Rg7 49.Rc1 Rg8 50.Be1 Rg7 51.Ke3 Rg8 52.Bf2 Rg7 53.Rh1 Kf7 54.Rg1 Kf6 ½–½. Ager,Josef (2245) – Ragonese,Lucio Rosario (2065), Porto San Giorgio op, 2001. (=1.c4 f5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.Nf3 0–0 6.e3 b6)

7.Nc3 Bb7 8.Be2 d6 9.0–0 e5 10.Qb3 Qe8 11.Nd5 Nd5= 12.cd5 Qf7 13.Bc4 Nd7 14.Qa2 Nf6 15.Ng5 Qh5 16.Ne6 Ng4? 17.h3+– Rf6 18.hg4 fg4 19.g3?? Rh6 20.Rfe1 Qh1# 0–1. Johnston,R – Moody,David, Gaylord N MI op, 1993.

7.d4 Bb7 8.Nc3 a5 9.b5 d6 10.Qb3 Ne4 11.Bd3 Nd7 (better is 11...Qe8!?=) 12.c5+/– dc5 13.Qe6 Kh8 14.Ne4 (worse is 14.Be4 fe4 15.Ne4 Nf6+=) 14...fe4 15.Be4 Be4 16.Qe4 Nf6 17.Qc6 Nd5? (better is 17...Bd6+–) 18.dc5 Bf6 19.0–0–0 Bb2 20.Kb2 Qf6 21.Qf6 Nf6 (21...gf6?? 22.Rd5 Rg8 23.g3+–) 22.cb6 cb6 23.Rd4 Rae8 24.Rc1 Ne4 25.Rc2 Nc5 26.Rcc4 Re6 27.Kc3 Rg6 28.Rf4 Re8 29.g3 h6 30.h4 Rd6 31.Rcd4 Rde6 32.Nd2 Rc8 33.Rc4 Rd8 34.Rc5! bc5 35.Nc4 a4 36.Rf5 Rb8 (36...Rc8 37.b6+–) 37.Rc5 Rf6 38.f4 Rg6 39.Kb4 Rg3 40.Ka4 Rh3 41.h5 g5 (41...Rh1 42.b6+–) 42.hg6 h5 43.Rc7 Rh1 44.Nd6 (44.b6 Rb1+–) 44...Rb1 45.Rh7 Kg8 46.Rh5 (better is 46.Ka5+–) 46…Ra8 0–1. Kossobudzki,Robert – Postny,Evgeny, Memorial Anderssena Wroclaw Poland. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.e3 0–0 6.c4 b6)

7.Be2 Bb7 8.0–0 c5 9.bc5 Bc5 10.Nc3 Nc6 11.d4 Be7? (better is 11...Bd6+=) 12.d5+– ed5 (12...Na5 13.d6 Bd6 14.Qd6 Bf3 15.gf3 Rc8+–) 13.cd5 (13.Nd5?! Ne4+=) 13...Na5 14.d6 Bd6 15.Qd6 Bf3 (15...Rc8 16.Nd4+–) 16.Bf3 (16.gf3?! Rc8+–) 16...Nc4 (16...Nc6+–) 17.Bd5 Nd5 18.Qd5 Kh8 19.Qc4 Rc8 20.Qa6 f4 21.ef4 Rf4 22.Rae1 h6 (22...Ra8 23.Nb5+–) 23.Qd3 1–0. marekt – Szkodnikow_i_ofiar, ChessWorld.net, 2015.

7.Be2 Bb7 8.0–0 Qe8 9.d4 d6 10.Nc3 Ne4 11.d5 Nc3 12.Bc3 e5 13.Qb3 Qf7 14.Rad1 Nd7 15.Ne5?? Ne5–+ 16.Be5 de5 17.c5 Kh8 18.Bc4 Qf6 19.c6 Bc8 20.f4 e4 21.a4 Qd6 22.Rb1 Rd8 23.g3 a6 24.Qa2 Rb8 25.Rfd1 b5 26.ab5 ab5 27.Be2 Rb6 28.Qa5 Ra6 29.Qb5 Rb6 30.Qa5 Rb4 31.Rb4=+ Qb4 32.Qc7 Qd6 33.Qd6 Bd6 34.Bc4 Kg8 35.Ra1 Kf8 36.Ra8 Bc7 37.Kf2 Ke7 38.Ke2 Kd6 39.Kd2 Bb6 40.Ke2 Kc5 41.Ra4 Re8 42.h4 Re7 43.Bb3 Ra7 44.Rc4?? Kd6?? 45.Rb4? Bc7?? 46.g4–/+ g6 47.h5 gh5 48.gf5 Bf5 49.Ba4? Bg6 50.Kf2 Ra5 51.Bb3 Ra1 52.Kg2 Rb1 53.Rb7 Rb2 54.Kg3 Re2 55.f5 Bf5 56.Bd1 Rd2 57.Bh5 Rd5 58.Bf7 Rc5 59.Ra7 Kc6 (60.Kh4 Rc3–+) 0–1. Mielke,Sven – Seifert,Dierk (2165), Crailsheim op, 2000.

7.Be2 Bb7 8.Qc2 a5 9.b5 Qe8 10.d3 d6 11.Nd4 Qf7 (11...Bg2? 12.Rg1+–) 12.Nd2 (12.Bf3!? Bf3 13.Nf3+=) 12...Bg2+= 13.Rg1 Bb7 14.Bf3 Bf3 15.N2f3 Ne8 16.0–0–0 (16.Ng5 Bg5 17.Rg5 h6+=) 16...e5–/+ 17.Ne2 c6 18.bc6 Nc6 19.Qa4 (19.Qb3 e4 20.Ned4 Rc8 21.Nc6 Rc6–/+ (21...ef3?! 22.Qb6 Bf6 23.Rg3=)) 19...Rc8 20.Nc3 Na7 (20...e4 21.Nd2–+) 21.Kb1 (21.Kd2 Qh5 22.Ne1 f4–/+) 21...Nc7 22.h4 (22.Nd2 Bf6–/+) 22...Bf6 (22...Qh5!? 23.Nd2 Qh4–/+) 23.Ng5–/+ Qe8 24.Qb3 Kh8 25.Qb6 Nc6 26.Nb5 Qd7 27.Nc7 Rb8 (worse is 27...Rc7 28.Ne6 Rb7 29.Nf8+=; 27...Qc7? 28.Qc7 Rc7 29.Ne6+–) 28.Qa6 Qc7 (better is 28...Bg5!? 29.Nd5 Bh4–/+) 29.Ne6= Qc8 30.Qc8 Rfc8 (30...Rbc8? 31.Nf8 Rf8 32.h5+–) 31.Ka2 (31.h5 e4 32.d4 a4+=) 31...Rb7 (31...Bh4 32.f4 g6 33.Rh1–/+) 32.Bc3 (32.h5 Kg8=) 32...Re8 (32...Bh4!? 33.Rg2 Bf6–/+) 33.Ng5= Reb8 34.h5 h6 (34...e4 35.d4–/+) 35.Nh3 (35.Ne6 Re7 36.d4 Nb4 37.Bb4 ab4 38.de5 de5+=) 35...Rb3 36.Ba1 Be7 (36...d5 37.Rd2 (37.cd5?? Be7 38.Bb2 Rb2 39.Ka1 R2b3–+) 37...dc4 38.dc4+=) 37.Nf4= Kg8 (37...g5 38.Nd5 Kg8 39.e4=) 38.Nd5+= Kf7 39.Rg6 (39.Ne7 Ne7 40.f4 g5 41.fg5 hg5 42.Rg5 a4+/–) 39...Bf8 40.Nc7 R3b6 41.Nb5 Nd8 42.Bc3 a4 43.Ba5 Rc6 44.Rb1 Ne6 45.Bb4 d5? 46.Bf8+– Kf8 47.Nd4 Rb1 48.Nc6 Rf1 49.Re6 Rf2 50.Kb1 e4 51.d4 dc4 52.d5 c3 53.d6 Rb2 54.Kc1 Rb7 55.Ne5 1–0. Poley,V (2325) – Vardakas,S (2000), Open Thessaloniki GRE, 2010. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7 5.c4 0–0 6.e3 b6)

7.Be2 Bb7 8.d3 a5 9.b5 Qe8 10.Nbd2 d6 11.0–0 Nbd7 12.Nd4+= Nc5 13.Bf3 Bf3 14.N2f3 Ng4 15.h3 Ne5 16.Ne5 de5 17.Nc6 e4 18.de4 Ne4 19.Be5 Bd6 20.Qd4 g5 21.Rfd1 Bc5 22.Qd3 Qh5 23.Qd7 Rf7? 24.Qe6+– Qe2? 25.Nd8 Qf2 26.Kh2 Rd8 27.Rd8 Bf8 28.Rd7 Nd6 29.Bd6 Bd6 30.Kh1 (30...Qe1 31.Re1 Bc5 32.Qf7 Kh8 33.Qh7#) 1–0. Bennett,Hilton Petrie – Rayner,Emmanuel (2310), South Island–ch, 1997.

7.Be2 c5 8.b5 a6 9.d4 ab5 10.cb5 d6 11.0–0 Ne4 12.Nbd2 Bf6 13.Nc4 Nd7 14.Nfd2 d5=+ 15.Ne4 fe4 16.Nd6 Qe7 17.Nc8 Rfc8 18.f3= ef3 19.Bf3 c4 20.Qc2 c3 21.Bc3= Ra3 22.Ra3 Qa3 23.Rc1 Ne5 ½–½. Blaszczak – Frank, corr 3GMM–59, 1997.

7.Be2 c5 8.b5 d6 9.0–0 a6 10.a4 Bb7 11.Nc3 Ne4 12.d3 Nc3 13.Bc3 Nd7 14.h3 Bf6 15.Qc2 Bc3 16.Qc3 Rf6 17.Rfc1 Rg6 18.d4 a5 19.Qd3 Qf6 20.d5 Re8 21.Rd1 Rh6 22.Bf1 ed5 23.cd5 g5 24.Qc4 Qg7 25.Nh2 Ne5 g4 26.Qc2 g4 27.g3 gh3 28.Qf5 Rf8 29.Qc2 Bc8 30.Rd2 Nf3–+ 31.Nf3 Qa1 32.Nh2 Rg6 33.Rd1 Qe5 0–1. Fournier,Frederic (1950) – Hiron, ChessOK.com, 2013.

7.Be2 c5 8.bc5 Bc5 9.d4 Be7 =.

6.e3 d6

7.d4 c5 8.Nc3 Na6 9.b5 Nc7 10.a4 a5 11.Qc2 b6 12.dc5 dc5 13.Ne5 Bb7 14.f3 Bd6 15.Rd1 Qe7 16.Nb1 Rad8 17.Be2 Nd7 18.Nd7 Rd7 19.Kf2 e5 20.Nc3 f4 21.e4 Ne6 22.Nd5= Bd5 23.cd5 Nd4 24.Qc4 Qf7 25.Qc3 h5 26.Bc4+= g5 27.h3 Kg7 28.Ba2 Qf6 29.Rd3 Rdf7 30.Rc1 g4+= 31.Rh1 gf3 32.gf3 Kh6 33.Kf1 Rg7 34.Qd2 Rfg8=+ 35.Bd4 cd4 36.Qb2 Qg5 37.Rg1?? Qg1 (38.Ke2 Rg2#) 0–1. Stanitz – Moeller Nielsen, corr 3GMM–43, 1996.

7.d4 Nbd7 8.Be2 Ne4 9.0–0 Ndf6 10.Nbd2 Bd7 11.Rc1 (11.Ne4 Ne4 12.Nd2 d5=) 11...c5 (11...Qe8!?+=) 12.bc5+= dc5 13.Ne5 Be8 14.Nb3 (better is 14.Ne4!? Ne4 15.f3+=) 14...Ba4+= 15.Qd3 Qb6 16.Bd1 Rad8 17.f3 (17.Rb1+=) 17...Ng5?? (better is 17...Bb3 18.Qb3 Qb3 19.Bb3 Nd2–+) 18.Qc3+= Bb3 19.Qb3 Qc7 20.Kh1 (20.Nd3 Bd6 21.g3 Rfe8+=) 20...Nf7 21.Nd3 b6 (21...Bd6 22.Qc3+=) 22.Nf4+/– Qd7 23.Qb5 Qd6 24.Nd3 (24.g3 Nd7+=) 24...cd4 25.ed4 Qd7 (25...Nd7 26.f4+/–) 26.Qb3 (26.Re1 Qb5 27.cb5 Nd5 28.Re6 Bg5+–) 26...Rc8 (26...Bc5 27.dc5 Qd3 28.Qd3 Rd3 29.Bc2+=) 27.Re1+/– Nd8 28.Qa2 Qc7 (28...Bd6!?+/–) 29.c5 bc5 30.Bb3 Bd6 (30...Kh8 31.dc5 Re8 32.Bc4+–) 31.Nc5 Bc5 32.Rc5 Qb7 33.Rf5 (33.Rc8!? Qc8 34.Re6 Kh8+–) 33...Kh8+/– 34.Rfe5 (34.Be6 Ne6 35.d5 Nc5 36.Bf6 gf6–/+) 34...Rb8 35.R5e3 Nd5 36.Bd5 ed5 (36...Qd5 37.Qd5 ed5 38.Ba1+/–) 37.Bc3+– Nf7? (37...Qb3 38.Qa1 Rg8 39.Bb4+–) 38.Re7 Qc6 39.Bb4 Nd6 40.R7e6 Rbe8 41.Bd6?? Re6–/+ 42.Be5 Rfe8 43.f4 Qc4 44.Qf2 Qd3 45.h3 Qa3 46.Re3 Qe7 47.Qa2 Qd7 48.Rc3 Rc6 49.Rg3 Rg6 50.Ra3 Qb5 51.Kh2 a6 52.Ra5 Qc4 53.Qb2 Rc8 54.f5 Rgc6?? 55.Qb7+– Rg8 56.Qf7 Rcc8 57.f6 g6 58.Qe7 h5 59.f7 Kh7 60.f8Q (60.f8Q Rg7 61.Qfg7#) 1–0. Skrzypczak,Michal (1960) – Hoffmann,Piotr (1735), Mistrzostwa Sekcji L.K.S. PIAST Srem Poland, 2012.

7.Be2 c5 8.bc5 dc5 9.0–0 Nc6 10.Nc3 a6 11.Qc2 e5= 12.Nd5 e4 13.Ne1 Be6 14.Nf4 Bf7 15.Rb1 Qc7 16.Qc3 Bd6=+ 17.Nd5 Bd5–/+ 18.cd5 Na5 19.f4 Nd5 20.Qc2 b5 21.g4 Rae8 22.g5 Nc6 23.Ng2 c4 24.h4 Re6 25.h5 Rd8 26.Nh4 Nce7 27.Rf2 c3 28.dc3? Ne3 29.Qb3 Nc4 30.Bc4 bc4 31.Qc2 Bc5 32.Bc1 e3 (33.Re2 Qf4–+) 0–1. Zylla,Johannes – Nielsen, corr ICCF TT–4–90, 1990.

7.Be2 e5 8.0–0 Ng4 9.d4 e4 10.Nfd2 Nh6 11.Nc3 c6 12.b5 Nd7 13.a4 Nf6 14.a5 a6 15.Na4 ½–½. Ehrlich,Hans Georg (1930) – Pinnel,Peter (2135), NRW Class2, 2009.

7.Be2 e5 8.d3 Qe8 9.0–0 Qg6 10.Nbd2 e4 11.Ne1 Nbd7 12.d4 Kh8 13.g3 Qh6 14.Nb3 Ng4 15.h4 Ndf6 16.Ng2 Bd7 17.b5 g5 18.d5 gh4 19.Nh4 Rg8 20.Qc1 Ne5 21.Be5 de5 22.Ng2 Ng4 23.Bg4 Rg4 24.Qb2 Bf6 25.Nc5 Be8 26.Rad1 f4 27.ef4 ef4 28.Qc1 Bg5 29.Ne4+= f3? 30.Ng5+– Rg5 31.Qc3 Kg8 32.Qf3 Bh5+/– 33.Qf4 Bd1 34.Rd1 Qg7 35.Qe3 Re5 36.Qd2 Rae8 37.Nf4 Qg5 38.Ne6+/– Qd2 39.Rd2 Re7 40.c5 Rd7 41.Nc7 Rc7 42.d6 Rec5 43.dc7 Rc7 44.g4 Kf7 45.Rd5 Ke6 46.Rh5 Kf6 47.f3 Rc3 48.Kg2 Kg6 49.Rd5 Ra3 50.b6 ab6 51.Rd6 Kg5 52.Rb6 Ra6 53.Rb7 Kg6 54.Rb5 Ra1 55.Kg3 Ra4 56.Kh4 Rf4 57.Rb6 Kg7 58.Kg3 Ra4 59.f4 Ra3 60.Kh4 Ra7 61.Kh5 Rc7 62.g5 Ra7 63.f5 Ra1 64.f6 Kf7 65.Rb7 Kg8 66.Rg7 Kh8 67.Re7 Kg8 68.Re4 Rh1 69.Rh4 Ra1 70.Kh6 Rf1 71.Kh5 Ra1 72.Re4 Rh1 73.Kg4 Ra1 74.Kf5 Kf7 75.Re7 Kg8 76.Rb7 Re1 77.f7 Kf8+= 78.Kf6 ½–½. Aubertin,Tim (1740) – Shmirina,Evgenija (2085), Saarlouis op 6th, 2003.

5.g3 0–0

6.f3 b6 7.Nh3 Bb7 8.Nf2 d5 9.e3 Nbd7 10.d3 Qe8 11.Bg2 dc4 12.dc4 Rd8 13.Qe2 Bd6 14.0–0 Qh5 15.Nc3 Ne5 16.Nh3 Ned7 17.Nb5+= a6 18.Nd6 cd6 19.Nf4 Qf7= 20.e4 e5 21.Nd5 Nd5 22.cd5 Rc8 23.Bh3+= g6 24.f4 ef4 25.Rf4 Rfe8 26.Qf2 Rc4 27.Re1 b5 28.Qd2 Ne5 29.Ref1 Kg7 30.Bf5! gf5 31.Rf5 Qe7 32.Qf4?? Bd5–/+ 33.Rf6?? Kh8 34.Qh6 Re4 35.Rd6 Qa7 36.Rb6 Qg7 37.Qg7 Kg7 38.Ra6 Re2 39.Rf2 Re1 40.Rf1 Rf1 41.Kf1–/+ Kf7 42.Be5 Re5 43.Kf2 Bc4 44.g4 Re6 45.Ra7 Kg6 46.h4 h6 47.a4 ba4 48.Ra4 Re4 49.Kf3 Rd4 50.Ra7 Bd5 51.Kg3 Rb4 52.Ra6?? Kg7–+ 53.h5 Bf7 54.Rd6 Re4 55.Kf3 Re6 56.Rd4 Re5 57.Kf4 Kf6 58.Rb4 Rc5 59.Rb6 Be6 60.Kf3 Rc3 61.Kf4 Rc4 62.Kf3 Ke5 63.Rb5 Bd5 64.Kg3 Rc3 65.Kh4 Rc1 66.Kg3 Rg1 67.Kh3 Rd1 68.Kg3 Rd3 69.Kh4 Kf6 70.Rb6 Be6 71.Rb4 Rc3 72.Rf4 Ke5 73.Rb4 Rc1 74.Kg3 Rg1 75.Kh3 Re1 76.Kh4 Re3 77.Ra4 Rf3 78.Ra5 Bd5 79.Rb5 Rd3 80.Ra5 Kf4?? 81.Ra4 Ke5 82.g5?? Be6?? 83.gh6?? Kf6–+ (83...Kf6 84.Rf4 Bf5–+) 0–1. Laco,G (2100) – Loktiev,I (2395), Wch–Seniors, Lignano Sabbiadoro ITA, 2005.

6.Bg2 c6 7.d3 d5 8.Nd2 a5 9.Qb3 ab4 10.ab4 Ra1 11.Ba1 Qb6 (11...Na6 12.c5+=) 12.c5= Qa7 (12...Qa6 13.Bd4 b6 14.Ngf3 bc5 15.bc5=) 13.Bd4+= Nbd7 14.Ngf3 b6 15.cb6 Nb6 16.0–0 Qb7 17.Bc5 Bc5 18.bc5 Nbd7 19.Qc3 Qc7 20.Ra1 e5 21.e4 fe4 22.de4 Ne4 (22...Re8!?+=) 23.Ne4+/– de4 24.Qc4 Kh8 25.Ng5 Nf6 26.Ne4 Nd5? (better is 26...Qe7!?+/–) 27.Nd6+– Be6 28.Qe4 Bg8 (28...g6 29.Ra6 Qg7 30.Rc6+–) 29.Qe5 Qb8 (29...Qe7 30.Qe7 Ne7 31.Ra7+–) 30.h3 h6 31.Be4 Qb4 32.Nf5 Nf6? (32...Rf6+–) 33.Bc6 Bd5 (33...Qb8 34.Nd6 Qc7+–) 34.Bd5 Qc5 35.Qe7 (better is 35.Ne7 Qc2 36.Bf3 Qd3+–) 35...Qe7 36.Ne7 Re8 (36...Nd5 37.Nd5 Rf7 38.Kg2+–) 37.Ra8 (37.Ng6!? Kh7 38.Bf7 Rd8+–) 37...Ra8 38.Ba8 Kh7 39.Bc6 g5 40.f3 h5 (40...Nh5 41.Be4 Kg7 42.Kf2+–) 41.g4 (better is 41.Nd5 Ng8+–) 41...Kg7 (41...hg4 42.fg4 Kg7 43.Nf5 Kf7 44.Nd6 Kg6 45.Kf2+–) 42.Nd5 Nh7 (42...hg4 43.Nf6 gh3 44.Nd5+–) 43.gh5 Kh6 (43...Kf7 44.Kf2+–) 44.Be8 Nf8 45.Kf2 Ne6 46.Ke3 Ng7 (46...Nc5 47.Kd4 Nb3 48.Ke5+–) 47.Bg6 1–0. Jovic,Stanoje (2335) – Vasic,Zarko (2090), Nis Open, 2013. (=1.c4 f5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7 5.g3 0–0)

6.Bg2 d6

7.d4 Nbd7 8.Nf3 Ne4 9.e3 Bf6 10.Qb3 Kh8 11.Nfd2 Nd2 12.Nd2 e5 13.de5 Ne5 14.Rd1 Qe7 15.Qc2 Rb8 16.0–0 Be6 17.Rfe1 Qf7 18.f4 Nd3 19.Qd3 Bb2 20.Qc2 Bf6 21.Rc1 c6 22.Nf3 g6 23.e4 fe4=+ 24.Qe4 Bf5 25.Qe2 Qg7 26.Rcd1 Rbd8 27.Qf2 a6 28.Nd4+= Bd4 29.Rd4 Qf7 30.Red1 Be6 31.Qe3 Bc4? 32.Qc3+– (32.Qc3 Kg8 33.Rc4+–; 32.Rd6?! Rd6 33.Rd6 Re8=) 1–0. Schwarz,B – Kampmann,Lutz, OWL–ch Altenbeken, 1948.

7.e3 c5 8.Ne2 Nc6 9.b5 Ne5 10.d3 Rb8 11.0–0 b6 12.Be5 de5 13.d4 ed4 14.ed4 Bb7 15.Nbc3 Bg2 16.Kg2 Qc7 17.d5 e5 18.Qc2 f4 19.f3 Qd7 20.Ne4 fg3 21.hg3 a5 22.Ng5 g6 23.Ne6 Rf7 24.Qb2 Bd6 25.Nc3 Ne8 26.Rh1 Qe7 27.Ne4 Ng7 28.N4g5 Rf5 29.Rh7 Rg5 30.Rg7 Qg7 31.Ng7 Kg7 32.Re1 Rh5 33.f4 Rbh8 34.Qc3 Kf6 35.Qf3 Rf5 36.Re5 Be5 37.fe5 Ke7 38.d6 1–0. Ganesan – Moeller Nielsen, corr ICCF TT–4–90 SF2 1993–94.

7.Nf3 e5 8.0–0 Qe8 9.Nc3 Bd8 10.a4 a5 11.b5 Qh5 12.Ne1! Nbd7 13.d4 f4 (13...e4 14.f3 ef3 (14...e3 15.Nc2 Qh6 16.Qd3 Re8 17.Bc1) 15.ef3 g5 16.Nd3) 14.e3 Qh6? (14...Qd1 15.Nd1 fe3 16.fe3 ed4 17.ed4 Nb6 18.c5 Nc4 19.Bc3+=) 15.ef4 ef4 16.Bc1! g5 17.Nd3 fg3 (17...Nh5 18.Nd5 c6 19.bc6 bc6 20.Nc3 Bb7 21.Qg4–+) 18.fg3 Kg7 19.h4 Ng8 (19...Nh5) 20.Ne4 Qg6 21.hg5 Rf1 22.Qf1 Ne7 23.Nf4 Qf7 24.Bb2 Ng6 25.Nh5 Kg8 26.Qe2 Qe7 27.Nhf6 Nf6 (27...Kh8 28.Qh5) 28.gf6 Qf8 29.Rf1 Nh8 30.Ng5 1–0. Miralles – Sidhoum, Belfort 1983 (Miralles).

4.Qb3 Be7

5.Nc3 0–0 6.Nf3 a5 7.b5 b6 8.e3 Bb7 9.Be2 Ne4 10.d3 Nc5 11.Qc2 Qe8 12.0–0+= d6 13.Nd2 Qg6 14.Bf3 Bf3 15.Nf3 Nbd7 16.Rad1 Nf6 17.Nd4 Rae8 18.Nc6 f4 19.Ne7 Re7= 20.ef4 Nh5 21.Ne2 Nf4 22.Nf4 Rf4 23.f3 e5 24.Qe2 Re8 25.Kh1 Na4 26.Ba1 Nc5 27.g3 Rff8 28.Qd2 Ne6 29.f4 Nc5 30.Qg2 ef4 31.Qd5 Qf7 32.Qd4 f3–/+ 33.Kg1 Re5 34.Rf2 Qg6 35.Rfd2 Rfe8 36.Qf2 Re3 37.Qf1 Qg4 38.Rf2 Ne6 39.Kh1 Ng5 40.Bc3 Nh3 41.Rb2 Re2 (42.a3 Nf2 43.Qf2 Rf2 44.Rf2 d5–+) 0–1. Algaba,Pedro – Roblot,Joel, corr AJEC–03IR, 1988.

5.e3 b6 6.Nf3 0–0 7.Be2 Bb7 8.d4 Qe8 9.Nc3 Nc6 10.a3 Ne4 (10...a5 11.b5 Nd8 12.0–0=) 11.d5 Nd8 12.Nb5 Qg6 13.0–0 c6 14.dc6 Nc6 15.Rad1 Rad8 16.Rd3 a5 17.Rfd1 (17.Nbd4!?=) 17...ab4–/+ 18.ab4 Bb4 (18...Nb4?! 19.Rd7 Nc6 20.Rd8 (worse is 20.Rb7 Na5+=) 20...Rd8 21.Nbd4+=) 19.Bd4 (19.Rd7? Nc5 20.Qb4 Rd7–+ (20...Nb4?! 21.Rd8 Nc6 22.Rf8 Kf8 23.Nd6=; 20...Nd7?! 21.Qa3–/+)) 19...Bc5 20.Ne1 (20.Qb1 Ra8+=) 20...Nb4 21.Bc5 Nd3 (21...bc5?! 22.Rd7 Rd7 23.Rd7=) 22.Bf8 Ne1 23.Bf1?? (better is 23.g3 Rf8 24.Re1–+) 23...Nf3 (23...Kf8?! 24.Re1 Nc5 25.Qb2+=) 24.Kh1 Nf2 0–1. Miquel Jaureguibeitia,Xavier – Montell Lorenzo,Juan Carlos (2280), La Pobla de Lillet op, 1998.

5.Nf3 0–0 +=.

5.g3 0–0 6.Bg2 d6 7.Nh3 c6 8.d4 Qe8 9.Nd2 Bd8 10.Nf4 g5 (10...e5 11.de5 de5 12.Nd3=) 11.Nd3+= Bc7 12.h4 h6 (better is 12...g4!?+=) 13.hg5+/– hg5 14.e4 e5 15.de5 de5 16.0–0–0 fe4 17.Ne4 Ne4 18.Be4 Bf5 19.c5 Kg7 20.Bf5 Rf5 21.f4 Nd7 22.Qc2 Qe6 23.g4 Rff8 (23...Rf7 24.Ne5 Ne5 25.Qh7 Kf8 26.Qh8 Ke7 27.Qa8 Nd3 28.Rd3 Qc4 29.Bc3 Bf4 30.Kb2 Qd3 31.Qb7 Qd7 32.Re1 Kd8 33.Qa8 Qc8 34.Rd1 Kc7 35.Qa7 Qb7 36.Qa5 Kb8 37.Rd8 Qc8 38.Qb6 Rb7 39.Rc8 Kc8 40.Qc6 Rc7 41.Qe6 Kb7 42.Qd5 Kc8+–) 24.Ne5 Ne5 25.Qh7 (25.Qh7 Kf6 26.Rh6) 1–0. Jovic,Stanoje (2365) – Sorgo,Roberto, Trieste op, 1997. (=1.c4 f5 2.b4 Nf6 3.Bb2 e6)

5.g4 Ng4 6.Nf3 0–0 7.h3 Nf6 8.Rg1 d6 9.d4 c6 10.Nc3 d5 11.c5 Ne4 12.Ne4 fe4 13.Ne5 Bh4 14.Rg2 Nd7 15.Qe3 Ne5 16.de5 a5 17.b5 (17.a3!?–/+) 17...cb5–+ 18.0–0–0 (18.Bd4 Bd7–+) 18...Bd7 19.f3 b4 20.fe4? (20.Kb1–+) 20...Ba4 21.Qg1 Bd1 (21...Bd1 22.Kd1 de4 23.Kc2 Rf7–+) 0–1. Ivanov,Nikolay (2020) – Arnold,G. Robert (2340), 17th USCCC–P05, 2004.

4.b5 b6

5.e3 d6 6.d4 Nbd7 7.Nh3 Bb7 8.Nf4 Qe7 9.Be2 g5= 10.Bf3 Ne4 11.Be4 Be4 12.Qh5 Qf7 13.Qf7 Kf7 14.Ne6! h6 15.f3 Bd3 16.Na3 d5 17.cd5 Bb4 18.Kf2 g4 19.Rhd1 Ba3 20.Ba3 Bb5 21.Nc7 Ba4 22.Na8 Bd1 23.Rd1 Ra8 24.Rc1 a5 25.Rc7 Rd8 26.fg4 fg4 27.e4 h5 28.e5 Ke8 29.e6 Nf6 30.Re7 Kf8 31.Rf7 Kg8 32.Rf6 Rd5 33.Rf8 Kh7 34.e7 Rd4 35.e8Q (35...g3 36.Ke3 Re4 37.Qe4 Kg7 38.Qe5 Kg6 39.Qf6 Kh7 40.Rh8#) 1–0. Poschmann,Hans – Baity,T, The Climb US/0/31, 1997.

5.e3 Be7 6.Nf3 d6 7.Nd4 0–0 8.Qf3 d5 9.Nc3 Bb7?? 10.Ne6+– Qe8 11.cd5 Rf7 12.Nc7 Qc8 13.Na8 Nbd7 14.Qf5 Nd5 15.Nd5 Rf5 16.Ne7 Kf8 17.Nc8 (17...Bc8 18.Rc1+–) 1–0. Trkn – guest120, ICC, 2004.

5.d4 Bb7

6.Nc3 g6 7.f3 Bg7 8.Qc2 d6 9.e4 fe4 10.fe4 Nbd7 11.Nf3 Qe7 12.Bd3 e5 13.d5 Nc5 14.0–0 Nd3 15.Qd3 0–0 16.Ng5 Bc8 17.h3 h6 18.Nf3 Nd7 19.Rf2 Nc5 20.Qe3 Bd7 21.Raf1 Kh7 22.Bc1 g5 23.a4 a5 24.Ba3 Qe8 25.Bc5 bc5 26.Nh2 Qg6 27.Ne2 Rf2 28.Rf2 Rf8 29.Ng3 Rf2 30.Qf2 Qf6 31.Qf6 Bf6+= 32.Ng4 Kg6 33.Ne3 h5 34.Ngf5 Bf5 35.Nf5 g4 36.hg4 hg4 37.g3 Bg5+/– 38.Kg2 Kh5?? 39.Kf2 Kg6 40.Ke2 Kh5? 41.Ng7+– Kg6 42.Ne6 Be7 43.Nc7 Kf7 44.b6 Bd8 45.Na8 Ke8 46.b7 (46.b7 Kf7 47.b8Q Bg5 48.Qd6 Bf6 49.Qd7 Kg6 50.Qg4 Kh7 51.Qf5 Kh8 52.Qf6 Kg8 53.d6 Kh7 54.d7 Kg8 55.d8Q Kh7 56.Qdh8) 1–0. baovn21 (1625) – kobra03 (1625), kurnik, 2011.

6.Nc3 g6 7.f3 Bg7 8.Qc2 d6 9.e4 fe4 10.fe4 Qe7 11.Bd3 Nbd7 12.Nf3 e5 13.d5 Nc5 14.0–0 0–0 15.a4 a5 16.Ba3 Nd3 17.Qd3 Nd7 18.Qe3 h6 19.g3 Rf7 20.Nh4 Kh7 21.Qe2 h5 22.Rf7+= Qf7 23.Rf1 Qe7 24.Qe3 Rf8 25.Rf8 Bf8 26.Bc1 Qf6 27.Nf3 Nc5 28.Ng5 Kg8 29.Bd2 Bc8 30.Kg2 Bh6 31.h4 Bg4 32.Nh7?? Qf3! 33.Qf3 Bf3 34.Kf3 Bd2 35.Nf6 Kf7 36.Nb1 Bc1 37.Nh7 Na4 38.Ng5 Bg5 39.hg5 Nb2 40.Na3 Nd3 41.Ke3 Nb4 42.Kd2 Ke7 43.Kc3 Kd7 44.Nb1 Na2 45.Kc2 Nb4 46.Kd2 Ke7 47.Nc3 Kf7 48.Ne2 a4 49.Kc3 a3 50.Nc1 a2 51.Kb2 a1Q 52.Ka1 Nc2 53.Kb2 Ne3 54.Kc3 Nf1 55.Ne2 Nh2 56.Kd3 Nf3=+ 57.Ke3 Ng5 58.Nc3 Kf6 59.Na2 Nh3 60.Nb4 g5 61.Na6= h4 62.Nc7 hg3=+ 63.Kf3 (63.Kf3 Nf2 64.Na8 Ne4 65.Nb6=+) 1–0. baovn21 (1620) – kobra03 (1630), kurnik, 2011.

6.f3 g6 7.Nc3 Bg7 8.Qc2 d6 9.e4 fe4 10.Ne4 Nbd7 11.Bd3= Qe7 12.Ne2 e5 13.d5 Ne4 14.Be4 Nc5 15.0–0 0–0 16.a4 a5 17.Ba3 Ne4 18.fe4 Rf1 19.Rf1 Rf8 20.Qd1 Rf1 21.Qf1 Qf7 22.Qf7 Kf7 23.Nc3 Bh6 24.Ne2 Be3 25.Kf1 Bc8 26.Bc1 Bc1 27.Nc1 Bg4 28.h3 Bd1–/+ 29.Nd3? Bc2?? 30.Nb2 Be4 31.Kf2 g5 32.Nd1 Bc2 33.Nc3 Kg6 34.Ke3 Kf5 35.g4 Kf6 36.Kd2 Bg6 37.Ne2 h5 38.Ng3 hg4 39.hg4 Bb1 40.Kc3 e4 41.Kd4 Bc2 42.Ne4= Kg6 43.Nc3 Kf7 44.Ke3 Kf6 45.Kd4 Bb3 46.Ne4 Kg6 47.Ng3 Bd1–/+ 48.Nf5 Bg4 49.Ne7 Kf7 50.Nc6 Bd1 51.Nd8 Kf6 52.Ne6 Ba4 53.Nc7 Bd1 54.Na8 g4 (54...g4 55.Nb6 a4 56.Nd7 Ke7–+) 0–1. baovn21 (1655) – kobra03, kurnik, 2011.

6.f3 g6 7.Nc3 Bg7 8.e4 d6 9.Bd3 fe4 10.Ne4 Ne4 11.Be4 Be4=+ 12.fe4 e5 13.Nf3+/– Nd7 14.0–0 0–0 15.de5 Ne5 16.Qd5+– Kh8 17.Ne5 de5 18.Rf8 Qf8 19.Be5 Rd8 20.Bg7 Kg7 21.Qe5 Qf6 22.Qc7 Qf7?? 23.Qd8 (23.Qd8 Qc4 24.Qd7 Kh6 25.Qd2 Kg7 26.Rc1+–) 1–0. baovn21 (1625) – kobra03 (1625), kurnik, 2011.

6.f3 g6 7.Nd2 Bg7 8.Qc2 d6 9.e4 fe4 10.fe4 Nbd7 11.Ngf3 0–0 12.Bd3 Qe7 13.0–0 e5 14.de5 Ne5 15.Ne5 de5 16.Nf3 Nd7 17.a4 c5 18.Qc3 Rfe8 19.Bc1 Nf8 20.Bg5 Qc7 21.Rf2 Ne6 22.Raf1 Nd4 23.Nh4 Rf8 24.Rf8 Rf8 25.Rf8 Kf8 26.Qe1 Qf7 27.Qf2 Qf2 28.Kf2 Ke8 29.Nf3 h6 30.Bh4 g5 31.Bg3 Nf3 32.gf3 Bc8 33.h4 Ke7 34.hg5 hg5 35.Ke3 Kf7 36.Be2 Kg6 37.Be1 Bh6 38.Kd3 Bg7 39.a5 Bf6 40.a6 Bg7 41.Bg3 Bf6 42.Bf1 Bg7 43.Ke3 Bf6 44.Kf2 Kh5 45.Be2 Kg6 46.Kg2 Bg7 47.Kh2 Bf6 48.Bf1 Kh5 49.Bh3 g4 50.fg4 Bg4 51.Bf1 Bf3=+ 52.Kh3 Be4–/+ 53.Be2 Kg6 54.Kg4 Bf5 55.Kf3 Kg5 56.Bf2 e4 57.Ke3?? Bd4–+ 58.Kd2 Bf2 (58...Bf2 59.Kc2 Kf4–+) 0–1. baovn21 (1625) – kobra03 (1625), kurnik, 2011.

5.e3 Bb7

6.a4 Bb4 7.Nf3 0–0 8.Be2 Ne4 9.0–0 Qe8 10.d3 Nd6 11.Qb3 Ba5 12.Nc3 f4 13.e4 Nf7 14.Rad1 Nh6 15.Ne5 d6 16.Ng4 Ng4 17.Bg4 e5 18.f3 Kh8 19.Nd5 Bd5 20.cd5 Nd7 21.Ba3 a6 22.Rc1 ab5 23.Rc7 ba4 24.Qa4 Nc5 25.Qe8 Rfe8 26.Bc5 bc5 27.Rc6 Bc3 28.Rd6 h6 29.Bf5 Ra2 30.Rc6 Bd4 31.Kh1 Rd2 32.Rc8?? Rc8= 33.Bc8 Rd3 34.h3 c4 35.Ba6+= Rc3 36.d6 Bb6 37.d7 Bd8 38.Rb1 Rd3 39.Bc4 Rd7 40.Rb8 Kh7 41.Bd5 Bf6 42.Kh2 Ra7 43.Bg8 Kg6 44.Be6 Ra3 45.Bf5 Kf7 46.Rb7 Ke8 47.Bg6 Kd8 48.Rb2 Re3 49.Bh5 Ke7 50.Bg4 Kd6 51.g3 fg3 52.Kg3 Kc5 53.Rc2 Kd4 54.Rd2 Kc3 55.Rd6 Rd3 56.Rd3 Kd3 57.Kf2 g5 58.Bf5 h5 59.Bg6 h4 60.Bf5 Be7 61.Bg4 Bc5 62.Kg2 Be3 63.Bf5 Bf4 64.Bg4 Bg3 65.Bf5 Ke3 66.Bg4 Kf4 67.Bf5 Be1 68.Bg4 Bd2 0–1. ludice (1755) – motlajs, kurnik, 2011.

6.d4 Bb4 7.Bc3 Bc3 8.Nc3 Ne4 9.Ne4 Be4 10.Nf3 d6 11.Bd3 Bd3 12.Qd3 0–0 13.0–0 Nd7 14.a4 Nf6 15.a5 Ne4 16.a6 Qd7 17.Nd2 d5 18.Ne4 fe4 19.Qb3 Rad8 20.Rac1 Qe7 21.cd5 ed5 22.Rc6 Rd6 23.Rfc1 Qf6 24.Qa2 Qg6? 25.Rc7+– h5 26.Ra7 Rdf6 27.Rcc7 R6f7 28.Qd5 h4 29.Rf7 Rf7 30.Qf7 Qf7 31.Rf7 Kf7 32.a7 (32.a7 h3 33.a8Q+–) 1–0. ludice (1705) – tompadehorsow, kurnik, 2011.

6.Nf3 a5 7.Nc3+= g6 (7...Bd6 8.Be2+=) 8.Be2 Bg7 9.d4 d6 10.Qb3 (10.Ng5 Qe7 11.Bf3 Bf3 12.Qf3 Ra7+=) 10...Nbd7+= 11.c5 dc5 12.Qe6 (12.Ng5 a4 13.Na4 Bd5+=) 12...Qe7= 13.0–0?? (13.Qe7 Ke7 14.0–0 a4+=) 13...Ne4 (better is 13...Qe6 14.Ng5 Qg8–+) 14.Qe7 (14.Qc4 Nd6 15.Qb3 Qf7=) 14...Ke7 15.Rac1 Nc3 16.Bc3 Bd5 17.a4 Rac8 18.Bb2 cd4 (18...c6 19.Rc3=) 19.Nd4 (better is 19.Ba3 Ke8 20.Nd4 Bd4 21.Rfd1 Be3 22.fe3+=) 19...Bf7? (better is 19...Kf7!?=) 20.Rfd1 (20.Nf5 gf5 21.Bg7 Rhg8+–) 20...Nc5 (20...Bd4!? 21.Rd4 Rhd8+/–) 21.Ba3 (21.Nc6 Kf8 22.Ba3 Bf6+–) 21...Rhd8? (21...Rhe8+–) 22.Bc4?? (better is 22.Bc5 bc5 23.Nc6 Ke8 24.Nd8 Rd8 25.Rc5 Rd1 26.Bd1+–) 22...h6?? (better is 22...Bd4 23.ed4 Bc4 24.Rc4 Ke6 25.Bc5 bc5 26.Rc5 Rd6+/–) 23.Nc6+– Kf6 1–0. Matveenko,Yury (2180) – Khashimov,Vasily (2185), Voronezh Region Senior Championship, 2006. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.b5 b6 5.c4 Bb7 6.e3 a5)

6.Nf3 a6 7.a4 Bb4 8.Be2 0–0 9.0–0 ab5 10.ab5 Ra1 11.Ba1 d6 12.Qb3 Ba5 13.Bc3 Bc3 14.Nc3 (worse is 14.dc3 Ne4+=) 14...Nbd7 15.d4 Qe7 16.Ra1 Ne4 17.Ra7 Rb8 18.Qa3 Ng5 19.Ng5 (19.Ne5 Nf8+/–) 19...Qg5+= 20.Bf1 f4 21.ef4 Qf4 22.Ne2 Qf6 23.Qe3 e5 24.de5 de5 25.Nc3 Nc5 26.Nd5 (26.Na4 Na4 27.Ra4 Qd6+=) 26...Qd6= 27.Ra2 Bd5 28.Rd2 Qf6 29.Rd5 e4 30.Be2 Rd8 (30...Ra8 31.Rd1=) 31.Rd8+= Qd8 32.f3 Qe7 33.fe4 Qe4 34.Qe4 Ne4 35.Bf3 ½–½. Melich,J (2120) – Zwardon,V (2245), 9th Georgiev–Kesarovski Mem, 2010.

6.Nf3 a6 7.a4 ab5 8.ab5 Ra1 9.Ba1 Bb4 10.Be2 0–0 11.0–0 d6 12.d4 Nbd7 13.Qa4 Ba5 14.Ng5 Qe7 15.Qb3 h6 16.Nf3 Kh8 17.Nc3 e5 18.Nd5?? Nd5–/+ 19.cd5 e4 20.Ne1 Nf6 21.Bc4 Be1 22.Re1 Qf7 23.h3 Bd5 24.Bd5 Qd5 25.Qc3 Rc8 26.Rc1 Qb5–+ 27.Bb2 Nd5 28.Qc2 Nb4 29.Qb3–/+ c6 30.Ba3 c5 31.dc5 bc5 32.Qe6 Rf8 33.Qd6 Ra8 34.Rc5 Qa4?? 35.Bb2 Nd3 36.Bd4 Nc5 37.Qc5 Qd1 38.Kh2 Qe2 39.Qf5 Rg8?? 40.Qg6 Qa6 41.Qa6 (41.Qa6 Kh7 42.Qb7 Kg6 43.Qc6 Kf7 44.Qd7 Kg6 45.Qe6 Kh7 46.Qe4 Kh8 47.Qg6 Re8 48.Qg7) 1–0. nizinna (1620) – danito888 (1795), kurnik, 2011.

6.Nf3 a6 7.a4 Be7 8.Nc3 0–0 9.Be2 Qe8 10.0–0 ½–½. Seifert,Henryk – Wojcieszyn,Jacenty (2280), Mistrzostwa Polski Osob Niepelnosprawnych, 2008.

6.Nf3 a6 7.Be2 ab5 8.cb5 Be7 9.d4 0–0 10.0–0 d6 11.Nc3 Nd5 12.Bc4 Nc3 13.Be6+/– Kh8 14.Bc3 Rf6 15.d5+– Rf8 16.Nd4 Nd7 17.Bf5 Bd5 18.e4 Bc4 19.Nc6 Qe8 20.Bd7 Qd7 21.Qd4 Rg8 22.Qc4 Raf8 23.Rad1 (23.Rad1 Rf4 24.g3+–) 1–0. pereira – BrazilianBoy, internet, 2007.

6.Nf3 Bb4 7.a3 Ba5 8.Be2 0–0 9.0–0 a6 10.Qc2 ab5 11.cb5 c5 12.Rc1 d6 13.d4 Nbd7 14.Nbd2 Rc8 15.Qd1 Bd2 16.Nd2 Ne4 17.dc5 Nec5 18.Nc4 d5 19.Ne5 f4 20.ef4 Rf4 21.Bd4 Rd4 22.Qd4 Nb3 23.Rc8 Bc8 24.Qc3 ½–½. Rushton,Darren (1730) – Zimmermann,Joerg (1700), TSC, 2002.

6.Nf3 c5 7.Nc3 d6 8.d4 Nbd7 9.Be2 Be7 10.Ng5 Nf8 1–0. orane – GlobeisWarming2, Live Game Caissa's Web, 2006.

6.Nf3 c5 7.Nc3 Be7 8.d4 d5 9.cd5+= ed5 10.Bd3 Ne4 11.0–0 c4+= 12.Be2 0–0= 13.Qc2 Qd6 14.a4 Nd7 15.Ba3+= Qe6 16.g3 Qf6 17.a5 Rab8 18.ab6 ab6 19.Be7 Qe7 20.Ra7 Nc3 21.Qc3+/– Nc5?? 22.Ne5?? Ne4+= 23.Qc2 Qe6 24.Nc4?? Rfc8 25.Qb2? dc4–+ 26.Rc1 c3 27.Qb4 g5 28.f3? Ng3! 29.Kf2 Ne2 30.Ke2 Qc4 31.Qc4 Rc4 32.Kd3 Rcc8 33.e4 c2 34.d5 Kf7 35.e5? Ke8 36.Rc2 Rc2 37.Kc2 Bd5 38.Rh7 f4 39.h4?? Be4?? (39...Be4 40.fe4 Rc8 41.Kd3 Rd8 42.Kc4 g4=; better is 39...Rc8 40.Kd3 gh4 41.Rh4 Rc5–+) 0–1. De Visser,Arno – Manuel,H, 1990.

6.Nf3 c5 7.Be2 d6 8.0–0 Nbd7 9.d4 Be7 10.Nbd2 0–0? 11.Qb3?? Qc7? 12.Rac1?? a5? 13.a4?? e5 14.d5 e4 15.Ne1 Bc8 16.f4 Re8 17.h3 Nf8 18.Kh2 Qd8 19.g4 fg4=+ 20.hg4 Ng4 21.Bg4 Bg4 22.Rg1 Bf5?? 23.Rg7+– Kh8 24.Re7 Kg8 25.Rg7 (25.Rg7 Kh8 26.Rd7 Kg8 27.Rd8 Red8 28.Qc3+–) 1–0. carocan (1780) – danito888 (1655), kurnik, 2011.

6.Nf3 Bc5 7.Be2 0–0 8.0–0 a6 9.d4 Be7 10.a4 c5 (10...Qe8!?=) 11.bc6+= Bc6? (11...Bc6 12.d5 Decoy; 11...Nc6 12.d5 Decoy; 11...dc6 12.Nbd2 Combination) 12.d5!+– ed5 (better is 12...Nd5 13.cd5 Bd5+–) 13.cd5 Nd5 14.Bc4 Kh8 15.Bd5 Bc5 16.Nc3 Qe8 17.Rc1 a5 18.Bc4 Na6 19.Nd5 Bd5 20.Bd5 d6 (20...Rd8+–) 21.Ba8 Qa8 22.Rc4 Qd8 23.Rf4 Nb4 (23...Nc7 24.Qc2 Qd7 25.Nh4+–) 24.Nh4 Qd7 (24...Rf7 25.Nf5 d5 26.Qh5+–) 25.Nf5! Rf5 26.Qf3 Rf4 (26...d5 27.Rf5 Kg8+–) 27.Qa8 (27.Qa8 Qe8 28.Qe8 Rf8 29.Qf8; 27.ef4?! d5+–) 1–0. marekt – TomOne, ChessWorld.net, 2015.

6.Nf3 Bc5 7.Be2 0–0 8.0–0 d5 9.d4 Bd6 10.Qb3 Nbd7 11.Nbd2 Ne4 12.Rfd1 a5 13.a4 Bb4 14.Ba3 Qe7 15.Bb4 ab4 16.Rdb1 Rfe8 17.Qb4+/– Qb4 18.Rb4 dc4 19.Bc4 Ndf6 20.Bd3 Rab8 21.Rc1 Re7 22.Rbc4 Rc8 23.Be4 Ne4 24.Ne4 Be4 25.Ne5 g5 26.f3 Bd5 27.R4c3 Kf8 28.Ra1 Ra8 29.a5! Ra5 30.Ra5 ba5 31.Ra3 f4? 32.e4 Bb7 33.Ra5 h5 34.Ra7 Bc8 35.Ng6 (35.Ng6 Kf7 36.Ne7 Ke7 37.Rc7 Kd8 38.Rc5+–) 1–0. carocan (1755) – danito888 (1675), kurnik, 2011.

6.Nf3 d5 7.d4 Ne4 8.Qb3 Be7 9.Nbd2 dc4 10.Bc4 Nd2 11.Kd2 Bd5 12.Rac1 0–0 13.Bd5 ed5 14.Rc7 Qc7 15.Qd5 Kh8 16.Qa8 Bb4 17.Kd3 Rd8 18.Rc1 Qe7 19.Ke2 Ba3 20.Ba3 Qa3 21.Qd5 Qb2 22.Nd2 Re8 23.Qc4 Qa3 24.Qf7 Rf8 25.Qc4 Nd7 26.Rc3 Qd6 27.Nf3 h6 28.Qb3 Re8 29.Qc2 Qf8 30.Nh4 Qf7 31.Rc8 Qh5 32.Nf3 Qf7 33.Re8 Qe8 34.Qf5 Nf6 35.Qd3 Nd5 36.Kd2 Qe6 37.Qc4 1–0. Kilpatrick – MacDougall, corr SCCA 1978.

6.Nf3 d5 7.Be2 Bd6 8.0–0 =.

6.Nf3 d5 7.Be2 Nbd7 8.0–0 Bd6 9.Qc2 0–0 10.d4 dc4 11.Bc4 Qe7 12.Ne5 Rad8 13.Nc6 Ra8?? 14.Ne7+– (14...Be7 15.Be6 Kh8 16.Qc7+–) 1–0. TIROLOCO – HOUDINI2, Live Game Caissa's Web, 2004.

6.Nf3 Bd6 7.Nc3 0–0 8.Be2 a6 9.a4 Qe7 10.0–0 Bb4 11.Na2 Ba3 12.Ba3 Qa3 13.Nd4 Qd6 14.Bf3 ab5?? 15.Bb7+– (15.Bb7 Ra5 16.ab5+–) 1–0. Bendig,Frank (2365) – Seiler,Werner (2340), RSM2007 remoteschach.de, 2008.

6.Nf3 Bd6 7.Be2 0–0 8.0–0 a6 9.Nc3 =.

6.Nf3 Bd6 7.Be2 0–0 8.0–0 Qe7 9.Nc3+= Bd7 (9...Nbd7 10.cd5 cd5 11.d4=) 10.a4 Kh8 (10...Be8!?+=) 11.d4+/– Be8 12.a5 (12.Qb3!?+/–) 12...cb5+= 13.Nb5 Bb5 14.cb5 Nbd7 15.Ne5 Rfc8 16.Rc1 (16.f3 Nh5+=) 16...Bb4= 17.a6 Ne5 18.de5 Ne4 19.Qa4 Nc3 20.Bc3 Bc3 21.f4 (21.Rc2 Be5 22.Rc8 Rc8=) 21...b6 22.Qc2 (22.Rc2 Rc5+=) 22...Rc5 23.Qd3 Rac8 24.Rc2 Bb4 25.Rfc1 Rc2 (25...Qc7 26.Bd1+=) 26.Rc2= ½–½. Lorenc,Tomas (2095) – Bores,Roman (2135), CZE–ChT2B, 2012.

6.Nf3 Bd6 7.Be2 0–0 8.0–0 Ng4 9.h3 h5?? 10.hg4+– fg4 11.Ne5 Qh4 12.d4 Rf5 13.Nd2 Bg2 14.Kg2 Qh3 15.Kg1 g3 16.fg3 Qg3= 17.Kh1 Be5?? 18.de5–+ Qh3 19.Kg1 Rg5 20.Bg4 Qg3 21.Kh1 hg4 22.Rf8 Kf8 23.Qf1 Kg8 24.Qg2 Rh5 25.Kg1 Qe3 26.Qf2 Rh1! 27.Kh1 Qf2 (27...Qf2 28.Rd1 g3–+) 0–1. Tymms,JDM – Rossiter,P, corr, 1980.

6.Nf3 Bd6 7.Be2 0–0 8.cd5 ed5 9.Nc3 Nbd7 =.

6.Nf3 g6 7.d4 Bg7 8.Nc3 d6 9.Bd3 Nbd7 10.0–0 Qe7 11.Qc2 0–0 12.d5 e5 13.Ng5 e4 14.Be2 Nc5 15.Na4 Na4 16.Qa4 Bc8 17.Qc2 a5 18.a4 Ng4 19.Bg7 Kg7 20.Nh3 Ne5 21.Nf4 Bd7 22.Qc3 Kh8 23.Nh3 g5 24.f4 ef3=+ 25.gf3 Kg8 26.f4= Nf7 27.Bh5 g4= 28.Bf7 Rf7 29.Ng5 Rg7 30.Ra2 h6 31.Ne6 Be6 32.de6 Qe6 33.Rd2 Re8 34.Kf2 Rge7 35.Re1 Qf7 36.Rd5 Re4 37.Kg3 Qh5 38.Kg2?? Qh3 39.Kg1 Re3 40.Re3 Re3 (40...Re3 41.Qd2 g3 42.Qe3 Qh2 43.Kf1 g2 44.Ke1 g1Q 45.Qg1 Qg1 46.Kd2 Qf2 47.Kc3 Qf4–+) 0–1. baovn21 – kobra03, kurnik, 2011.

6.Nf3 Be7

7.Nc3 0–0 8.d4 Qe8 9.Be2 d6 10.0–0 Qg6 11.d5 ed5 12.Nd5 Nd5 13.cd5 Bf6 14.Qc2 Bd5 15.Bf6 Qf6 16.Qc7 Rc8?? 17.Qc8+– Kf7 18.Qc7 Kg6 19.Rfd1 Be4 20.Rd6 (20.Rd6 Bf3 21.Rf6 gf6 22.Bf3+–) 1–0. elsh1403 – golman9, kurnik, 2011.

7.Nc3 0–0 8.Be2 Ne4 9.d3 Nc3 10.Bc3 Bf6 11.d4 d6 12.a4 a5 13.Qc2 Nd7 14.0–0–0 (14.0–0 Qe8=) 14...c6 15.Kb1 (better is 15.bc6!? Bc6 16.Kd2+=) 15...cb5–/+ 16.cb5 Rc8 17.Qb2 Be4 18.Ka1 Qe7 19.Rc1 e5 20.Rhd1 ed4 (20...Qf7 21.h4 ed4 22.ed4–/+) 21.ed4 (21.Nd4!? Nc5 22.Nc6–/+) 21...Bd5 22.Ne1 (22.Bd3!? Qf7 23.Qa3–/+) 22...Bg5–+ 23.Bd2 Bf6 24.Bc3 Qf7 25.Rd3 (25.Nf3 Rfe8–+) 25...g6 (25...Bg5 26.Bd2 Rc1 27.Qc1–+) 26.f4 Rfe8 27.Bf3 Bc4 28.Rd2 Re3 29.Bd1?? (29.Nc2 Re7–/+) 29...Bd5 (better is 29...Re1 30.g4 fg4 31.Bg4 Re4–+) 30.Rd3 Rd3 31.Nd3 Nf8 32.Qd2 Ne6 33.Bb2 Rc1 34.Qc1 Nd4 (worse is 34...Bg2 35.Qc8 Nd8 36.Qb8–/+) 35.Qe3 Qg7 (better is 35...Qe6!? 36.Qe6 Be6–+) 36.Qe8–/+ Qf8 37.Qe3 Bb3 38.Bd4 Bd1 39.Nb2 Bc2 (better is 39...Bd4 40.Qd4 Bb3 41.Qb6 Qe7–/+) 40.Qe6?? (better is 40.Bf6 Qf6 41.Qb6=) 40...Kg7–+ 41.Bb6?? (better is 41.Qc4 Bd4 42.Qd4 Qf6 43.Qc4–+) 41...d5 42.Ka2 Qb4 43.Qd7 Kh6 0–1. Koerner,Helmut (1755) – Hoeckendorf,Hartmut (2185), 9th Berlin Germany, Lichtenberger Somme, 2010.

7.d4 0–0 8.Be2 h6 9.0–0 d6 10.Nbd2 Nbd7 11.Qc2 c5 12.Nb3 Qe8 13.dc5 Nc5 14.Nc5 bc5 15.Rad1 Rd8 16.a4 Qg6 17.a5 Ne4 18.a6 Ba8 19.Ne1 Ng5 20.f4 Ne4 21.Bf3 Bf6 22.Bf6 Qf6 23.g3 d5 24.cd5 Bd5 25.Be4 Be4 26.Qb3 Rd5 27.Nf3 Bf3 28.Rf3–/+ c4 29.Qc2 Rfd8 30.Rff1 Rd1 31.Rd1 Rd1 32.Qd1 Qb2 33.Qd8?? Kh7–+ 34.b6 c3 35.Qd4 Qb1 36.Kg2 c2 37.ba7 c1Q 38.Kh3 Qf1 39.Kh4 Qa6 40.h3–+ Qbb7 41.g4 Qba7 42.Qe5 Qf7 43.g5 Qe2 44.Kg3 Qe1 45.Kf3 Qh5 46.Kg2 Qhe2 0–1. carocan (1855) – padalinka (1775), kurnik, 2011.

7.Be2 a6 8.a4 0–0 9.Nc3 Bd6 10.0–0 (10.0–0 Ne4 11.d3 Nc3 12.Bc3=). Brzoza,Miroslaw – Hedrich, corr, 1981.

7.Be2 d6 8.0–0+= Nbd7 9.d4 0–0? 10.a4?? d5? 11.Qc2 Ne4+= 12.Nbd2 Bf6 13.Nb3 g5 14.Rfc1 g4 15.Ne5 Rc8 16.Nc6+/– Bc6 17.bc6 Nb8 18.cd5 ed5 19.a5 b5 20.Bb5+– Bh4 21.g3 Be7 22.Ba3 Ba3 23.Ra3 Qe7 24.Raa1 h5 25.Nc5 h4 26.Ne4 fe4+/– 27.Qc5 Qf7 28.Rc2 Rcd8? 29.Bf1 h3 30.Qa7+– Rd6 31.Rb1 Nc6+/– 32.Qc5 Nd8? 33.a6?? Ne6?? 34.Qa3 Ng5 35.a7 Nf3 36.Kh1 Ne1?? 37.a8Q Nc2+= 38.Qf8 Qf8 39.Qa4?? Ne3?? 40.Qa7 1–0. carocan (1660) – bondxx007, kurnik, 2011.

7.Bf6 Bf6 8.d4 0–0 9.Nbd2 Qe8 10.g3 c5 11.Nb3 d6 12.Bg2 Nd7 13.0–0 Rc8 14.Rc1 cd4 15.Nfd4 Bg2 16.Kg2 Nc5 17.Nc5 dc5 18.Nc6 Rc6 19.bc6 Qc6 20.Qf3 Qa4 21.Qe2 e5 22.Rfd1 Qc6 23.Kg1 f4 24.Qd2 Kh8 25.ef4+/– ef4 26.Qf4 h6 27.Qd6 Qc8 28.Qd7 Bd4 29.Qc8 Rc8 30.Rc2 Rf8 31.Kg2 Kh7 32.f4 Re8 33.Kf3 Re3 34.Kg2 Kg6 35.Rdd2 Kf5 36.Re2 Ke4 37.Re3 Ke3+= 38.Kf1 Kd3 39.Rc1 Kd2 40.Re1 Be3 41.Rb1 Kc3 42.Ke2 Bd4+= 43.Rc1 Kb4 44.Kd3 Ka3 45.Rc2 a6 46.Re2 b5 47.g4 b4 48.h4 a5 49.g5 hg5 50.hg5 a4 51.f5 b3 52.ab3+– Kb3 53.Re8 a3 54.Rb8 Ka4 55.Ke4?? a2+= 56.Ra8 Kb3 57.Kd5 1–0. ludice (1650) – motlajs, kurnik, 2011.

7.Ng5 0–0 8.Nc3 Qe8 (8...a6 9.a4=) 9.Be2 (9.Nf3 Qg6=) 9...Qg6 (9...Bg2 10.Rg1 Bb7 11.Bf3+=) 10.h4= h6 11.Nf3 Qg2 (better is 11...a6!?=) 12.Rg1+/– Qh3 13.Na4?? (better is 13.Nd5! Bd5 14.cd5+/–) 13...f4–/+ 14.Be5? (14.ef4 Nh5) 14...Nh5 (better is 14...fe3 15.de3 Qf5–+) 15.ef4?? (better is 15.e4 Be4 16.Bc7–+) 15...d6–+ 16.Qc2 (16.Bg7 Ng7 17.Rg3 Qf5–+) 16...Bf3 (better is 16...de5 17.Ne5 Nf4–+) 17.Qg6 (17.Bg7 Ng7 18.Qc3–+) 17...Qf5 (better is 17...de5 18.Bf3 Qf3 19.Qe6 Rf7–+) 18.Bf3 (18.Qf5 Rf5 19.Bf3 de5 20.Ba8 Rf4+=) 18...de5 (18...Qg6 19.Rg6 de5 20.Bh5+=) 19.Bh5 (19.Qh6 Bf6 20.Bh5 Qe4 21.Be2 Nd7=) 19...Qg6+= 20.Rg6 Nd7 (worse is 20...Bh4 21.Bf3 c6 22.bc6=) 21.0–0–0? (better is 21.Bg4!? Rf4 22.Be6 Kh7 23.Rg4 Rg4 24.Bg4+=) 21...Rf4–+ 22.Rdg1 Bf8 (22...Bf6 23.Nc3–+) 23.Rh6 Rc4 24.Nc3 Rf4 (24...Nc5!?–/+) 25.Re6+= Rd8 (25...Nc5 26.Rc6+=) 26.Be2 (26.Nd5 Ba3 27.Kd1 Rf2=) 26...Rf2 (26...Rh4 27.Rc6 Bd6 28.Nd5=) 27.Bc4 (27.Rh6 Rf4 28.Nd5 Rd4=) 27...Ba3 (27...Kh8 28.Rg5 Nf6 29.Ree5 Ba3 30.Kb1+=) 28.Kb1 Kf8 (28...Kh8 29.Ne4 Rf4 30.d3=) 29.Ne4 (29.Reg6 Nf6 (29...Rd2?? 30.Rg7 Ke8 31.Bf7 Kf8 32.Bh5+–) 30.Rg7 Rd4 31.Rc7 Rfd2+= (31...Rh4?? 32.Rc8 Ne8 33.Rg8 Ke7 34.Rce8 Kd6 35.Rc8+–)) 29...Rf4= 30.d3 Nc5 31.Re5 (31.Ng5 Ne6 32.Ne6 Ke8 33.Nf4 ef4 34.Rg7 f3=) 31...Ne4 (31...Nd3!? 32.Rh5 Re4 33.Rf1 Ke7 34.Rf7 Kd6 35.Bd3 Rd4+=) 32.Re4= Re4 33.de4 Rd6 34.Bd5 Rf6 35.h5 Rf2 36.Rh1 (36.Rg3!? Bb2 37.Rg5=) 36...Rb2+= 37.Ka1 Rb5 38.Rf1 (38.Rb1 Rc5+=) 38...Ke7–/+ 39.Rf7 Kd6 40.Rf2 (40.Rf3!? Bb2 41.Kb1 Bf6 42.Kc1–/+) 40...c6–+ 41.Bf7 Rg5 (41...Bc5 42.Rd2 Ke5 43.a3–+) 42.Rf1 (42.Kb1–/+) 42...Ke5 (42...Rg2 43.Kb1–+) 43.Bg6 (43.Rf5 Rf5 44.ef5 Kf5+=) 43...c5 (43...Rg2!?–/+) 44.Rf5+= Rf5 45.ef5 c4 46.Kb1 Bc5 (46...Be7 47.Kc2+=) 47.a4 (47.Bf7 b5+=) 47...a6+= 48.Kc2 (48.Bf7 b5 49.Be6 Be7–/+) 48...Bd4–/+ 49.Bf7 b5 50.ab5 ab5 51.Be6?? (51.Be8 b4 52.Bf7 c3–/+) 51...Kf6 (better is 51...Kd6!? 52.Kb1–+) 52.Kb1? (52.Bd7 b4 53.Kb1 c3–/+) 52...c3 (better is 52...Ke7 53.Ka2 Kd6–+) 53.Kc2 b4 54.Kb3 Bc5 55.Bd7 Be7 56.Be6 Kg5 57.Bd7 (57.Bf7 Kf5 58.Kc2 Ke4–/+) 57...Kh5 58.Bc8? (better is 58.Bb5–/+) 58...Kg5–+ 59.Bd7 (59.Kc2 Bf6–+) 59...Kf4 60.Bc8 Ke3 61.Bb7 (61.Kc2 Bf6 62.Be6–+) 61...Kd3 62.Bg2 c2 63.Bf1 Kd2 0–1. Cerami,Giuseppe (1685) – Berendino,Giacomo, 7th Nicolo La Rosa op, 2009.

7.Be2 0–0

8.0–0 c5 9.Nc3 Qe8 10.Ne5 d6= 11.Bf3 Bf3 12.Qf3 Nbd7 13.Nc6 Ne5 14.Ne7 (14.Ne5 de5 15.d3 Rd8=). Bendig,Frank – Moeller Nielsen,Peter, corr TKM/A001, 1999.

8.0–0 c5 9.d4 Qe8 10.Nc3 Ne4 11.Ne4 fe4 12.Nd2 d5 13.Bh5 g6 14.Bg4 Bd6 15.dc5 bc5 16.Ne4 Qe7 17.Nd6 Qd6 18.Qc2 Nd7 19.cd5 Qd5 20.Bh3 1–0. Steinmann,Joachim – Moeller_Nielsen,P, corr TKM, 1999.

8.0–0 Ne4 9.Qc2 Bf6 10.d3 Bb2 11.Qb2 Qf6 12.Qf6 Nf6= 13.Nbd2 a5 14.a4 d6= 15.Nd4 Re8 16.Bf3 Bf3=+ 17.N2f3 h6 18.Nd2 Nbd7 19.f3 g6=+ 20.Ra3 e5 21.Ne2 Kg7 22.Nc3 Rac8 23.Rc1 f4 24.ef4 ef4 25.Nde4 Ne4 26.fe4 Nf6 27.Nd5 Nd5 28.cd5+/– Kf6 29.Rac3 Re7 30.Rc6 Ke5 31.Kf2 g5 32.Rb6! Rf8 33.Rbc6+– Rff7 34.h3 h5 35.Ra6?? g4+/– 36.Rh1 Kd4 37.hg4 hg4= 38.Rd1 f3 39.Ra5?? g3–+ 40.Kg3 f2 41.Rf1 Ke3 42.Ra8 Ke2 43.Rf2 Rf2 (43...Rf2 44.Rg8 Ref7–+) 0–1. Jacobi,Karl Heinz (1850) – Schwager,Kurt (1860), Sachsen/Anhalt–ch Seniors, 2004.

8.0–0 Ne4 9.d3 Bf6 10.Qc2 Bb2 11.Qb2 Nf6 12.Nc3 Qe8 13.a4 Ng4 14.h3 Nh6 15.a5 ba5 16.Ra5 Qh5 17.Rfa1 g5 18.Ra7 Ra7 19.Ra7 Bf3 20.Bf3 (20.gf3?! Qh3 21.Rc7 Qh4+/–) 20...g4 21.Be2 Qh4 22.g3 Qh3 23.Bf1 Qh5 24.Ne2 Nf7 25.Nf4 Qh6 26.Rc7 Ng5 27.Bg2 d6 28.c5 dc5 29.b6 Qf6 (29...Na6 30.b7 c4 31.Rc4 Nb8+–) 30.Qf6 Rf6 31.Nh5 Rf7 32.Rc8 Rf8 33.Nf6 Kf7 34.Rb8! Rb8 35.Nd7 Rb6 36.Nb6 Ke7 37.Nc4 Kd7 38.Kf1 Kc7 39.Ke2 Nf7 40.d4 cd4 41.ed4 h6 42.Ne5 Nd6 43.Bc6 Kd8 44.Ke3 Ke7 45.Kf4 Kf6 46.Nd7 Ke7 47.Nc5 Nf7 48.Bd7 Ng5 49.Be6! Ne6 50.Ne6 Ke6 51.d5! Kd5 52.Kf5 h5 53.Kg5 1–0. Burke,J (2075) – Caorlin,M (1845), London Chess Classic FIDE Open, 2010.

8.0–0 Re8 9.d4 d6 10.Nbd2 Nbd7 11.Qb3 Bf8 12.a4 c5 13.a5 a6 14.ab6 Qb6 15.ba6 Ba6 16.Qc2 d5 17.Rfb1 dc4 18.Bc3 Qc6 19.Bc4 Bc4 20.Nc4 cd4 21.Bd4 Ra1 22.Ra1 Rc8 23.Bf6 gf6 24.Nfd2 Ne5 25.Ra4 ½–½. Schwichtenberg,Juergen (1630) – Rubinstein,Mark (2010), Wch Seniors, 2002.

8.Qb3 Ne4 9.d3 Nc5 10.Qc2 d6 11.Nc3 Nbd7 12.0–0 Nf6 13.a4 a5 14.Nd2 Qe8 15.Bf3 Bf3 16.Nf3 Qg6 17.Ne2 Nh5 18.d4 Ne4= 19.Ng3 Nhg3=+ 20.hg3 Qh5 21.Qd1 g5 22.Nd2= g4 23.Qe1 Rf6=+ 24.f4 gf3 25.Rf3 Rh6 26.Ne4 fe4 27.Rf1?? Qh2–+ 28.Kf2 Rf8 29.Ke2 Qg2 30.Rf2 Rf2 31.Qf2 Qf2 32.Kf2 Rh2 –+. Bennett,Hilton Petrie – Robinson,J, Waitakere op, 1991.

8.Qb3 Kh8 9.d3 Qe8 10.Nbd2 a5 11.ba6 (11.Qa4!?+=) 11...Na6= 12.d4 Ne4 13.0–0 Ra7 14.a4 Qa8 15.Ne4 Be4 16.Ba3 c5 17.Rfd1 (17.Qb6? Rb8 18.dc5 Rb6 19.cb6 Ba3 20.ba7 Be7–+) 17...Nb8 18.d5 (18.Bb2 Nc6=) 18...Ra4 19.Bb2 Ra1 20.Ra1 Qb7 21.de6 de6 22.Ne1 Nd7 23.Bf3 Bf3 24.Nf3 Bf6 25.Bf6 gf6 26.Qb5 Rg8 27.Kf1 Ne5 28.Ne1 Qe4 29.Rc1 (29.Qb6 Qc4 30.Kg1+=) 29...Ng4 (better is 29...f4!? 30.Rc3 fe3 31.Re3 Qc4 32.Qc4 Nc4 33.Re6 Kg7–+) 30.h3 Ne5 31.Qb6 Nc4 32.Qc5 Nd2 33.Kg1 Nb3 34.Qc3 ½–½. Bennett,Hilton Petrie (2090) – Bourmistrov,Denis (2210), Doeberl Cup, 2004.

8.Nc3 c5 9.0–0 d6 10.d4 Qe8 11.dc5 dc5 12.Re1 Nbd7 13.g3 Rd8 14.Qc2 Ng4=+ 15.h4 Qg6–/+ 16.Rad1? Ne3!!–+ 17.fe3 Qg3 18.Kf1 Bf3 (18...Bf3 19.Bf3 Qf3 20.Kg1 Ne5–+; 18...Bh4 19.Nh4 Qh3 20.Kg1 Qh1 21.Kf2 Qh4 22.Kf1 Qh1 23.Kf2 Qg2#) 0–1. Hasler,Ulrich – Moeller Nielsen, email 4AMM–03, 1997.

8.Nc3 Ne4 9.0–0 d6 10.Ne4 Be4 11.d3 Bb7 12.a4 a5 13.Nd4 Qd7 14.Bf3 d5 15.Qb3 Rf6 16.cd5+/– Bd5 17.Qc2 Bd6 18.Bd5 ed5 19.Rac1 Rg6 20.f4 Qf7 21.Nc6 Nc6=+ 22.Qc6 Re8 23.Qc2 Re3 24.Bd4 Re8 25.Qf2 Rge6 26.Rc2 Qe7 27.Qf3=+ Qf7 28.Qd5 Bf4 29.g3 Bd6 30.Rf5 Re1 31.Kg2 Qd5 32.Rd5 R1e2 33.Re2+= Re2 34.Kf3 Ra2 35.Bb6 Ra4 36.Bc5 Bc5 37.Rc5 Rb4 38.Rc7 Rb5 39.Rc8 ½–½. xadrezpg (2290) – patrikstorm (2460), net–chess.com, 2010.

8.Nc3 Ne4 9.d3 Nc3 10.Bc3 Bf6 11.d4 d6 12.0–0 Nd7 13.Qb3 Qe7 14.a4 a5 15.ba6 Ba6 16.Ne1 d5 17.Nc2 c5 18.a5 Rfb8 19.Qa2 ba5 20.Ba5 Rb7 21.Rfe1 Rba7 22.Bc3 Nb6 23.Qb2 Nc4 24.Bc4 Bc4 25.dc5 Ra1 26.Ra1 Ra1 27.Qa1 Bc3 28.Qc3 Qc5 29.h3 Qd6 30.f4 Kf7 (47.) ½–½. Kreuzer – Schmidt, Pforzheim 1985.

8.d3 c5 9.Nbd2 Qe8 10.h3 d6 11.Ng5 Bd8 (11...Bg2? 12.Rg1 Bb7 13.Ne6+–) 12.Bf3 d5 13.h4 Nbd7 14.Qb3 Bc7 15.a4 Ne5 16.a5 ba5 17.Be5 Be5 18.Ra5 Bc7 19.Ra2 Qd7 20.Ke2 Bb6 (20...h6 21.Nh3+=) 21.Rc1 Rac8 22.Nh3 Qf7 23.Nf4 Rcd8 24.Qb1 Nd7 (24...dc4 25.Nc4 Bf3 26.Kf3=) 25.Nb3 Ba8 26.Qa1 dc4 27.dc4 (worse is 27.Rc4 Bf3 28.gf3 e5–+) 27...e5 28.Ba8 Ra8 (28...ef4?? 29.Bd5 fe3 30.Bf7 Rf7 31.fe3+–) 29.Nd5 Qh5 30.f3 Qh4 (30...Rae8!?=) 31.Nb6+= Nb6 32.Ra7 Qg3 33.Kf1 Rad8 34.Rb7 Rd6 35.Qa7 Rfd8 36.Rb8 Nc4 37.Rd8+= Rd8 38.Qc5 Nb2?? 39.Qe7+– Rf8 40.Qe6 Kh8 41.Rc8 (41.Rc8 Qf3 42.gf3 h5 43.Rf8 Kh7 44.Qf7 Kh6 45.Rh8 Kg5 46.Rh5) 1–0. Gerber,Richard (2415) – Cherniaev,Alexander (2495), Geneve op, 2004. (=1.c4 f5 2.b4 e6 3.Bb2 Nf6 4.b5 b6 5.Nf3 Bb7 6.e3 Be7 7.Be2 0–0)

8.d4 Qe8 9.0–0 Qg6 10.Nbd2 d6 11.Re1 Nbd7 12.a4 Nh5 13.a5+= ba5 14.Nf1 f4 15.Ra5 Ndf6 16.Nh4 Qg5= 17.Nf3 Qg6 18.ef4 Nf4= 19.Ng3 N6h5 20.Ba3 Ne2=+ 21.Qe2 Nf4 22.Qe3 Rf6 23.d5+= e5? 24.Bc1?? h5? 25.Qe4 Qg4+/– 26.Bf4 Rf4+= 27.Qe3 h4 28.Ne2 Re4 29.h3 Re3 30.hg4 Rb3 31.Rea1+/– Rb2 32.Nc3 Rc2 33.Ne4?? Rc4–/+ 34.Neg5? Bd5–+ 35.b6 Bf3 36.Nf3 cb6 37.Ra7 Ra7 38.Ra7 Rc1 39.Kh2 Kf7 40.Ng5? Kf6–+ 41.Ne4 Ke6 42.f3 b5 43.Rb7 Rb1 44.Rb6? b4 45.g5 Kd5 46.Nc3?? bc3–+ 47.Rb1 Bg5 48.g3 c2 49.Rb5 Kc4 50.Rb8 c1N 51.f4 ef4 52.Rc8 Kd3 53.Rc1 fg3 54.Kh3 Bc1 55.Kh4 g2 56.Kg4 g1Q 57.Kh4 Bg5 58.Kh3 Qe3 59.Kh2 Bf4 60.Kh1 Qf3 61.Kg1 Be3 62.Kh2 Qf2 63.Kh3 Qf1 64.Kh2 Bg1 65.Kh1 Bf2 66.Kh2 Qg1 67.Kh3 Qg3# 0–1. Levin,Anatoly – Wageih,Kareim, Internet Section, 2004.

8.0–0 a6

9.a4 ab5 10.ab5 Ra1 11.Ba1 d6 12.d4 Nbd7 13.Qb3 Kh8 14.Nbd2 e5 15.de5 Ne5 16.Ne5 de5 17.Nf3 e4 18.Rd1 Qe8 19.Ne5 Bd6= 20.Qc3 Qe6 21.Bb2 Re8 22.Nc6 Bc6 23.bc6 Be5 24.Qb3 Bb2=+ 25.Qb2 Qc6 26.Qb5 Qe6 27.g3 h6 28.h4 Kh7 29.Kg2 Qe5 30.Qc6 Re6 31.Qb7 Qc5 32.Rd8 Re8 33.Qa8 Rd8 34.Qd8 Kg6 35.h5 Kh7 36.Qc8 c6 37.Qe6 b5 38.cb5 cb5 39.g4 fg4 40.Bg4 Ng4?? 41.Qg4?? Qg5–+ 42.f3 ef3 43.Kf3 Qg4 44.Kg4 b4 0–1. carocan (1705) – pontuseuxinus (1730), kurnik, 2011.

9.a4 ab5 10.ab5 d6 11.Nd4 Qd7 12.Ra8+/– Ba8 13.Qa4 Bb7 14.Qa7 Qc8 15.Ne6 Bg2 16.Kg2 Qe6 17.Qc7 Nbd7 18.Qc6 f4 19.Bf3 Qf5 20.Bd4 g5? 21.Nc3 g4 22.Bd5 Kh8 23.ef4 Qf4 24.Qd7 Qd4 25.Qe7 Re8 26.Qd6 Nh5 27.Ne4 Re4 28.Qf8# 1–0. Buczinski,Henryk – Kansy,Ryszard, Katowice Poland, 1965.

9.a4 c5 10.d3 a5 11.Ng5 h6 12.Bf3 Qc7 13.Bb7 Qb7 14.Nh3 Kh7 15.Re1 d5 16.Nd2 g5 17.cd5 Qd5 18.e4 (18.e4 Qd3 19.ef5 Qf5 20.Re5+/–) 1–0. Bendig,Frank – Gadelha da Paz,Leonardo, CIF, 2004. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6 4.b5 b6 5.c4 Bb7 6.e3 Be7 7.Be2 0–0)

9.a4 Qe8 10.Nc3 h6 11.d3 g5 12.Re1 d6 13.Nd4+/– Qf7 14.a5 ab5 15.Ncb5 Na6 16.ab6 c5 17.Nb3+– g4 18.Na5 (18...Rfb8 19.Bf6 (19.Nb7?! Rb7 20.e4 Rb6+/–) 19...Qf6 20.Nc7 (20.Nb7 Rb7 21.Bf3 gf3 22.Qf3 d5 23.cd5 Rb6+/–) 20...Bg2 21.Kg2 Nc7 22.bc7+–) 1–0. Bonetti,Shane – lat1 (1715), ICC, 2002.

9.Nc3 =.

8.0–0 d6

9.Nc3 Ne4 10.Qc2 Nd7 11.Nd4 Nec5 12.Bf3 Bf3= 13.Nf3 Nf6 14.Nd4 Qe8 15.f3 Qh5 16.Nc6 Rfe8 17.d4 Ncd7 18.Ne2 g5? 19.d5+– e5 20.Qf5 Kg7 21.a4 a5 22.Ng3 Qg6 23.f4 gf4 24.ef4 (24.ef4 Kg8 25.Rae1+–) 1–0. Eriksson,B – Malmstroem,Jan, corr SSKK 1–77, 1982.

9.d4 a6 =.

9.d4 Nbd7? 10.Ng5+– Qc8 11.Ne6 Re8 12.Nd2 d5 13.Qc2 Nc5 14.Nc5 bc5 15.dc5 Bc5 16.Bf6 gf6 17.Bd3 Qd7 18.cd5 Bd6 19.Bf5 Qg7 20.e4 Kh8 21.g3 h5 22.Nc4 Bf4 23.Qe2 (23...h4 24.Na5+–) 1–0. Bendig,Frank – Oakes,Barrie, corr ICCF TT–4–90, 1991.

9.d4 Nbd7 10.Ng5 Qc8 11.Ne6 Rf7 12.Nc3 Nf8? (better is 12...a6+–) 13.Ng5 Qe8 14.Nf7 Qf7 15.Bf3 d5 16.Nd5 Nd5 17.Bd5 Bd5 18.cd5 Qd5 19.Qb3 Rd8 20.Rfc1 Qb3 21.ab3 c5 (21...Ne6 22.Ra7 Rd5 23.Ba3 Ba3 24.Ra3 Rb5 25.Kf1+–) 22.Ra7 (better is 22.bc6 a5 23.d5 Bd6+–) 22...Bf6 23.Rd1 (23.Rb7!? cd4 24.Rb6 f4 25.ed4 Bd4 26.Bd4 Rd4+–) 23...cd4 24.Bd4 Ne6 25.Kf1 f4 (25...Nd4 26.ed4 (26.Rd4?! Bd4 27.ed4 Rd4+=) 26...Rd4 27.Rd4 Bd4 28.Rd7+–) 26.Raa1 (better is 26.Ra4+–) 26...Rd5 (26...Nd4 27.ed4 Rd4 28.Rd4 Bd4+–) 27.Bf6 (worse is 27.Bb6 Rb5 28.Ra8 Kf7 29.Rd7 Kg6+–) 27...Rd1 28.Rd1 gf6 29.Rd6 (29.Rd6 Kf7 30.ef4+–) 1–0. Jacobi,Karl Heinz (2150) – Krueger,Gerhard (2015), GER–chT Seniors, 2008.

9.d4 Ne4 10.Nbd2 Nd7 11.Ne4 fe4 12.Nd2 Bg5 13.Bg4 Qe7 14.Qe2 Nf6... (31.) 0–1. Slagle – Diebert, Columbus 1979.

8.0–0 Qe8

9.Nc3 a6= 10.a4 Qg6 11.d4 d6 12.a5 ba5 13.Ra5 Nbd7 14.ba6 Ra6 15.Ra6 Ba6 16.Qc2 Bb7 17.Ra1 Ne4 18.Ra7+= Rb8 19.d5 Ndc5 20.Nd4 Bh4 21.Ne4 fe4 22.Ne6 Ne6 23.de6 Qe6 24.c5 d5 25.g3 Bf6 26.Qb3 Bb2 27.Ba6 Be5 28.Bb7=+ Kf8 29.Qd5+/– Qd5 30.Bd5 Rb5 31.Be4+– Rc5 32.Bh7 g5 33.Kg2 Kg7 34.Be4 Bd6 35.Ra2 Re5 36.Bd3 Kf6 37.Re2 Rd5 38.Be4 Ra5 39.f4 Ra4 40.fg5 Kg5 41.h4 Kh5 42.Bc6 Rc4 43.Bf3 Kg6 44.g4 Be5 45.Rd2 Bd6 46.Be2 Rc5 47.Kf3 Re5 48.Bd3 Kh6 49.Ra2 Re8 50.Ra5 Be5 51.Bf5 Bd6 52.e4 Be5 53.Kg2 Bd6 54.g5 Kh5 55.Kh3 Be5 56.Rd5 Re7 57.Rd7 Rd7 58.Bd7 Kg6 59.Kg4 (59.Kg4 Kg7 60.Kf5+–) 1–0. Bonetti,Shane (2110) – Kucharkowski,Jens (2200), Orangutan Cup, Final, 2005.

9.Nc3 d6 10.d4 Nbd7 11.Qb3+= Kh8 12.Ng5 Qg6= 13.f4 h6 14.Bf3= Ne4 15.Nge4 fe4 16.Bd1 Nf6 17.Qc2 d5 18.cd5 ed5 19.h3 h5 20.Qf2 Rae8 21.a4 Bd8 22.Ba3 Rf7 23.f5 Qh7 24.Ne2 Bc8 25.g4 g5?? 26.fg6+= Qg6 27.Nf4 Qh6 28.Nh5 Rg8 29.Nf6 Rf6 30.Qg3+/– Rf1 31.Kf1 Rg6 32.Kg2 Bh4 33.Qf4 Qh7? 34.Be2 Rf6 35.Qe5 Qh6?? 36.Rf1 Qe3 37.Qe8 Kg7?? 38.Bf8+– Kh7 39.Qe7 (39.Qe7 Rf7 40.Qf7 Kh8 41.Qg7#) 1–0. Holz auf der Heide,G – Richter,S, Leipzig, 1998.

9.d3 Qg6 10.Ne1 c5 11.Nd2 d6 12.Ndf3 Nbd7 13.d4 Qh6 14.dc5 bc5 15.a4 g5 16.Nc2 Rf7 17.Nfe1 e5 18.f3 Rg7 19.Rf2 g4= 20.g3 Qg6 21.Bf1 h5 22.Ng2 gf3 23.Nh4 Qg4 24.Bd3?? e4 (24...e4 25.Bf1 Qh4–+; 24...Qh4 25.Bf5 Qc4 26.Na3–+) 0–1. Kuhmann,Heinz – Drabke,Lorenz Maximilian (2360), Erlangen op, 2002.

9.d4 d6 10.Ng5 Qg6 11.Bf3 Bf3 12.Nf3 Nbd7 0–1. Zschalich – Ranby, corr SOK–90–59.

9.d4 Ne4 10.Nbd2 d6 11.a4 Nd7 12.a5 Ndf6 13.Ne4 Ne4 14.Nd2 ba5 15.Nb3 a6 16.Na5 Qb8 17.f3 Nf6 18.Nc6?? Bc6–+ 19.bc6 Qb2 20.Rb1 Qa3 21.Rb7 Qe3 22.Kh1 Bd8 23.Re1 e5 24.de5 Qe5 25.Bd3 Qc5 26.Qb3 Qc6 27.Bf5 Re8 28.Be6 Kf8 29.f4 Ne4 30.f5 Nc5 31.Qh3 Qb7 32.Qh7 Ne6 33.Qh8 Kf7 34.Qh5 Kg8 35.Qe8 Nf8 36.h4 Bh4 (37.Qe4 Qe4 38.Re4 Bf6–+) 0–1. Furlong,Kevin – Wittmann,Jochen, Oxford op, 1998.

9.Nd4 a6 =.

9.Ne5 d6 10.Bf3 Bf3 11.Nf3 e5 12.d3 h6 13.h3 a6= 14.a4 Nbd7 15.Nbd2 Bd8 16.d4 e4 17.Nh2 Nh7 18.Qe2 Bg5 19.Rfe1 a5 20.Rf1 Qe6 21.d5 Qg6 22.f3 Bh4 23.fe4 fe4 24.Rf4 Rf4 25.ef4 Re8 26.Bd4 Bf6=+ 27.Bf6 Qf6 28.Nb3 Nc5 29.Ng4? Qc3–+ 30.Rc1 Qb3 31.Nh6 gh6 32.Qg4 Kh8 33.Qh5 Rf8 34.Rf1 Qe3 35.Kh1 Nd7 36.g4 Rf4 37.Rf4 Qf4 38.Qe8 Ndf8 (39.c5 Ng5 40.cb6 Qf1 41.Kh2 Qh3 42.Kg1 Nf3 43.Kf2 Qh2 44.Ke3 Qd2 45.Ke4 Ng5 46.Kf5 Qf2#) 0–1. Heidebreck,Sven – Millen,Ernst, Balatonalmadi op–B, 1996.

4.b5 d5

5.Qc2 =.

5.e3 a6 6.a4 Bd6 7.f4 ab5 8.cd5 ed5 9.ab5 Ra1 10.Ba1 c5 11.Nf3 0–0 12.Be2 Nbd7 13.0–0 Qb6 14.Nc3 Kh8 (14...Qc7 15.Bb2=) 15.Qc2+= Nb8 16.Nh4 d4 17.Na4 Qc7 18.Nf5 Bf5 19.Qf5 de3 20.de3 Qe7 21.Qd3 Nbd7 22.Nb2 Nb6 23.Rf3 Ra8 24.Qb1 Bf4 25.Rf4 Qe3 26.Rf2 Qa3 27.Rf1 Qe3 ½–½. Stabenow,Juergen – Margraf,A, corr SOK–87–09, 1987.

5.e3 c5 6.d4 b6 7.Ba3 Bd6 8.Nc3 cd4 9.Bd6 Qd6 10.Qd4 Nbd7 11.Nf3 Bb7 12.Be2 Rc8 13.0–0 0–0 14.Rfd1 Ne4 15.a4 Rc5 16.Rac1 Rfc8 17.Ne4+/– fe4 18.Ng5 e5 19.Qe4!? Qh6?? 20.Qf5+– Nf8 21.Nf7 (21.Nf7 Qg6 22.Qg6 Ng6 23.Nd6+–) 1–0. baovn21 – imprevizibila (1625), kurnik, 2011.

5.e3 c5 6.Nf3 Bd6 7.a4 a5 8.d3 b6 9.Be2 Nbd7 10.Nbd2 Bb7 11.0–0 Qc7 12.h3 Ke7 (12...0–0!?=) 13.Rc1 Raf8 14.d4 Rhg8 15.dc5 Nc5 16.cd5 Bd5 17.Nc4 Bf3 18.Bf3 Bh2 19.Kh1 Rd8 20.Qe2 Nd3 21.Ba3 (21.Ba3 Kf7 22.Rc3+–) 1–0. Friedrich – Kupka,Slavoj, CSR–ch corr Czechoslovakia, 1982. (=1.c4 f5 2.b4 e6 3.Bb2 Nf6 4.b5 d5)

5.e3 c5 6.Nf3 Bd6 7.Qb3 b6 8.d4 Bb7 9.Nbd2 0–0 10.Be2 Nbd7 11.0–0 Rc8 12.Rac1 Qe7 13.h3 Kh8 14.Ne5 Be5 15.de5 Ne4 16.Qd3 Rcd8 17.f3 dc4–/+ 18.Nc4 Ne5! 19.Be5 Rd3 20.Bd3 Ng5 21.Bd6= Qd7 22.Bf8+– Qd3 23.Be7 Nf3= 24.gf3 f4? 25.e4+/– Qd7 26.Bd6 (26.Bd6 Qb5 27.Bf4+–) 1–0. Sander,C – Radieske, corr DDR–ch H310, 1989.

5.e3 Bd6 6.d4 c6 7.c5 Bc7 8.a4 Nbd7 9.Nf3 Ne4 10.Bd3 Ndf6 11.Nbd2 0–0 12.g3 Qe8 13.Qb3 Qh5 14.Be2 Ng4 15.Ne4 fe4 (worse is 15...de4 16.Ne5+=) 16.Ne5 Be5 17.de5 Qh3 18.Bg4 Qg4 19.Qd1 Qh3 20.Qe2 Qg2 21.Qf1 Qf3 22.Bd4 cb5 23.ab5 Bd7 24.Rb1 a6 25.ba6 ba6 ½–½. Fournier,Frederic – Gosset Arnaud, Partie Libre (rapide), 1995.

5.e3 Bd6 6.Nf3 Nbd7 7.d4 0–0 8.c5 Be7 9.Be2 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 c6 13.b6 Ne4 14.0–0 Ndc5 15.dc5 Bc5 16.Bd4 Bb6 17.Nbd2 c5 18.Be5 Bd7 19.Ne4 fe4 20.Nd2 c4 21.Qc2 Bc7 22.Qc3 Be5 23.Qe5 Rf5 24.Qd4 Qc8 25.Bg4 Rf7 26.f3 ef3 27.Nf3 Bc6 28.Ne5 Rf1 29.Kf1 c3 30.Ke1 c2 31.Kd2 Ba4? 32.Kc1+– Qe8 33.Nd3 Qc6? 34.Nb4 Qd6+/– 35.Nc2 Bd7 36.Bh3 e5 37.Qb4 Qb4 38.Nb4 Bh3 39.gh3 g5 40.Nd5 Kf7 41.e4 h5 42.Kd2 Ke6 43.Ke3 Kf7 44.Kd3 Ke6 45.Kc4 h4 46.Kb5 Kf7 47.Kb6 Ke6 48.Kb7 Kd6 49.Kc8 Kc5 50.Kd7 Kd4 51.Nf6 Ke3 52.Ke6 Kf4 53.Kd5 Kf3 54.Ke5 Kg2 55.Ng4 Kh3 1–0. mast (1900) – Hossa (2210), ICS Rated blitz match, 1998.

5.e3 Be7 6.Nf3 0–0 7.Be2 b6 8.0–0 Bd6 9.h3 Nbd7 10.Nd4 Qe8 11.d3 Bb7 12.a4 dc4 13.dc4 Nc5 14.Nd2 Qg6 15.N2f3 Nfe4 16.Nh4 Qh6 17.Nhf3 Ng5 18.Ng5 Bg2 19.Bf3 Bh3 20.Nde6 Bg4 21.Nf4 Qg5 22.Qd5 Kh8 23.Bg4 Qg4 24.Ng2 Rad8 25.f4 Ne4 26.Qd1 Qg6 27.Qe1 Bc5 28.Bc1 Rd7 29.Rf3 Rfd8 30.Kh2 Nf6 31.Rg3 Ng4 32.Kh3 Rd1 33.Nh4 Qh5 34.Qe2 Rh1 0–1. Hoffmann – Van Esbroeck, corr CIF 1987–92.

5.e3 Be7 6.Nf3 0–0 7.Be2 c6 8.0–0 Ne4 9.a4 Bf6 10.Bf6+= Qf6 11.d4 Nd7 12.Nbd2 Nc3 13.Qe1 Ne2 14.Qe2+/– c5 15.cd5 ed5+= 16.dc5 Nc5 17.Rfc1 b6 18.Nd4 f4= 19.Qf3 Be6 (19...fe3 20.Qf6 Rf6 21.fe3=) ½–½. Chilton,Alexis (1695) – Eisentraeger,Sebastian, Berlin, 2005.

5.e3 Be7 6.f4 0–0 7.Nf3 c6 8.a4 a6 9.Qb3 ab5 10.ab5 Ra1 11.Ba1 c5 12.Be2 Nbd7 13.0–0 Nb6 14.d3 dc4 15.dc4+= Qc7 16.Be5 Bd6 17.Rd1 Be5 18.Ne5 Nbd7 19.Nd3 b6 20.Bf3 Bb7 21.Nd2 Ra8 22.h3 e5 23.Bb7 Qb7 24.fe5 Ne4 25.Nf3 h6 26.Qb2 g5 27.e6 Nf8 28.Qe5 Qe7 29.Qf5 Qe6 30.Qe6 Ne6 31.Nde5 Ra4 32.Rd7 Nf8 33.Rb7 Nd6 34.Rb6 Nc4 35.Nc4 Rc4 36.Rh6 Kg7 37.Rc6 g4 38.hg4 Rg4 39.b6 Rb4 40.Ne5 Nh7 41.Nd7 Kf7 42.Nc5 Ke7 43.b7 Nf6 44.Rc8 Nd7 45.Rc7 Kd6 46.Rd7 Kc5 47.Kf2 Rb2 48.Kf3 Kc6 49.Rf7 Rb7 50.Rb7 Kb7 51.Kf4 (51.Kf4 Kc8 52.Kf5+–) 1–0. carocan (1830) – marianbc1974 (1610), kurnik, 2011.

5.e3 Be7 6.Nh3 0–0 7.cd5 ed5 8.Nf4 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.Bd3 Ne4 13.Qc2 Nc5 14.Be2 Ne6 15.0–0 Qc7 16.g3 Nf4 17.ef4 Be6 18.Be5 Qc8 19.Rc1 c5 20.Qb2 g6 21.Bf3 Nd7 22.d3 Rd8 23.Nc3 Ne5 24.fe5 Qc7 25.d4 Bg5 26.b6 Qg7 27.Re1 f4 28.Nb5 fg3 29.hg3 c4 30.Nc7 Qd7 31.Ra1 Qc6 32.Ne6 Qe6 33.Ra5 Kh8 34.Rc5 h5 35.Kg2 h4 36.gh4 Bh4 37.Rc7 Qf5 38.Rb7 Rf8 39.Qa3 g5 40.Qe3 Qe6 41.Ra7 Qb6?? 42.Qa3+– Rb8 43.Bg4?? Re8 44.Re7+– Re7 45.Qe7 Qg6 46.Qf8 Qg8 47.Qf3 Qg7 48.e6 Qe7 49.Qd5 Kg7? 50.Qc4 Qd6 51.d5 1–0. Rook,Detlef (2250) – Walker,Jeffrey (2125), RA–2009–0–00055, 2009.

5.e3 c6

6.a4 Bb4 7.Qb3 a5 8.Nf3 0–0 9.Be2 cb5 10.ab5 Nbd7 11.0–0 Nc5 12.Qc2 b6 13.d4 Nce4 14.Nfd2 Bb7 15.f3 Nd2 16.Nd2 dc4 17.Nc4 Rc8 18.Qb3 Bd5 19.Rfc1 Qe7 20.Ba3 Ba3 21.Qa3 Qa3 22.Ra3 Bc4 23.Bc4 Nd5 24.e4 fe4 25.fe4 Nc7 26.Rf3 Rfe8? 27.d5?? Nb5!–/+ 28.de6 Nd4 29.e7 Rc4?? 30.Rc4?? Nf3–/+ 31.gf3 Re7 32.Rc8 Kf7 33.Rb8 Re6 34.Kf2 Kf6 35.Ke3 Rc6 36.Kd4 a4 37.f4 g6 38.Kd5 Rc5 39.Kd6 Rb5?? 40.e5+– Kf5 41.Rf8 Kg4+= 42.e6 a3 43.e7 a2 44.Ra8? Ra5–+ 45.e8Q a1Q 46.Qe2 Kh4?? 47.Qf2 Kh5 48.Qf3 Kh6 49.Qh3 Kg7 50.Qd7 Kh6 51.Qh3 Kg7 52.Ra5 Qa5 53.Qd7 Kh6 54.Qh3 Qh5 55.Qh5?? Kh5–+ (55...Kh5 56.Ke5 Kg4 57.h3 Kh3–+) 0–1. elsh1403 – mark57, kurnik, 2011.

6.a4 Bb4 7.Nf3 0–0 8.Be2 Ne4 9.0–0 Nd7 10.d3 Ng5 11.Ng5 Qg5 12.Qb3 Bd6 13.g3 Ne5?? 14.Be5 Be5 15.Ra2 Bc7 16.Nd2 Bd7 17.Nf3 Qh6 18.Rc2 Be8 19.bc6 bc6?? 20.cd5?? ed5?? 21.e4 fe4 22.de4 Bb6 23.ed5= Bf7 24.Bc4 Kh8?? 25.dc6+– Bc4 26.Rc4 Rac8 27.Ne5 Qf6? 28.Nd7 Bf2 29.Kg2 Qe6 30.Nf8 Rf8 31.Rf2 Qd5 32.Kg1 Re8 33.c7 Re1 34.Rf1 Rf1 35.Kf1 Qh1 36.Ke2 Qh2 37.Kd1 Qg1 38.Kc2 Qf2 39.Kc3 Qg3 40.Kb2 Qe5 41.Qc3 Qe2 42.Qc2 Qe5 43.Ka2 (43.Ka2 g6 44.c8Q Kg7 45.Qf2 Qf5 46.Qb2 Kh6 47.Rh4 Qh5 48.Qf8 Kg5 49.Qbf6) 1–0. ludice (1640) – uragan45 (1810), kurnik, 2011.

6.a4 Bc5 7.Nf3 0–0 8.Be2 Nbd7 9.0–0 Qe8 10.d4 Bd6 11.h3 Qg6 12.Nbd2 Ne4 13.Ne4 fe4 14.Ne5 Ne5 15.de5 Bc7 16.Bg4 Qg5 17.f4 ef3 18.Rf3 Be5?? 19.Rf8?? Kf8=+ 20.Qc2? Kg8 21.Re1 Bd7 22.e4 Bb2 23.Qb2 dc4 24.bc6? Qc5–+ 25.Kh1 Qc6 26.Qc3 a6 27.Rf1 b5 28.ab5 ab5 29.e5 Qc5 30.Bf3 Rb8 31.Be4 b4 32.Qf3 Qe7 33.Qh5 g6 34.Qg4 b3 35.h4 b2 36.h5 Qg7 37.hg6 hg6 38.Kg1 c3 39.Bc2 Be8 40.Qc4?? Qe5 41.Rf3 Qe1 42.Kh2 b1Q 43.Bb1 Rb1 44.Qd4 c2 45.Rh3 Qh1 46.Kg3 Qe1 47.Kh2 Qh1 48.Kg3 Qh3! 49.gh3 c1Q 50.Qf6 Qe3 51.Kg4 Rb4 52.Qf4 Qf4 0–1. nizinna (1605) – zoransvabic (1635), kurnik, 2011.

6.a4 Bd7 7.f4 Be7 8.Qb3 0–0 9.Nf3 Be8 10.d4 Nbd7 11.Be2 Ne4 12.0–0 Bh5 13.Nc3 Bf3–/+ 14.Bf3 h6?? 15.Be4 fe4 16.Ba3 Ba3 17.Qa3 Rf6 18.Qd6 Nf8 19.Qe5?? Ng6 20.Qh5+= Kh7 21.c5 Qe8 22.bc6 bc6 23.Rfb1 Rb8 24.a5 a6 25.Rb6+/– Rb6 26.ab6+– Qa8 27.g4 Qb7 28.Nb1 Kg8? 29.Nd2?? Ne7+/– 30.Nb3 Kh7? 31.Na5 Qb8 32.Qe5 Qe5 33.de5 Rf8 34.Nb7 Rb8? 35.Nd6 g5 36.f5 ef5 37.gf5 h5 38.Ra6 Kh6 39.Ra7 Nc8 40.Nc8 Rc8 41.Rc7 Rb8 42.Rc6 Kg7 43.Rc7 Kh6 44.b7 g4 45.c6 h4 46.Rc8 Rc8 47.bc8Q g3 48.Qe6 (48.Qe6 Kg7 49.Qe7 Kg8 50.c7 gh2 51.Kh2 d4 52.c8Q#; 48.Qg8 gh2 49.Kh2 d4 50.Qg6#) 1–0. carocan (1675) – lann1975, kurnik, 2012.

6.a4 Nbd7 7.Nf3 Bd6 8.d4 0–0 9.Bd3 Ne4 10.0–0 Rf6 11.Be4 fe4=+ 12.Ne5 Rh6 13.f4 Qh4 14.h3 Be5 15.de5 Rg6 16.Kh1 Nc5 17.Nd2? Nd3–+ 18.Ba3?? Nf2 19.Kh2 Nd1 20.Rad1 Qg3 21.Kh1 Qg2 0–1. carocan (1760) – niezly85 (1780), kurnik, 2011.

6.a4 Be7 7.d4 0–0 8.Nf3 Bb4 9.Bc3 Bc3 10.Nc3+= Ne4 11.Rc1 Nd7 12.Qb3 Ndf6 13.Bd3 Kh8 14.0–0 Nc3 15.Rc3 Ne4 16.Rc2 Bd7 17.Ne5 Ng5 18.Rfc1 Ne4 19.cd5+– ed5 20.Nd7 Qd7 21.bc6 bc6 22.Rc6 Rab8 23.Qc2 Nd6 24.Rc7 Qe6 25.Ra7 Rbc8 26.Qd2 Rc1 27.Qc1 Nc4 28.Qb1 Kg8 29.Qb7 Qf7 30.Qf7 Rf7 31.Ra8 Rf8 32.Rf8 Kf8 33.Bc4 dc4 34.Kf1 Ke7 35.Ke2 Kd6 36.Kd2 1–0. woschkat (2140) – tanto (1655), net–chess.com, 2001.

6.a4 Be7 7.f4 0–0 8.Nf3 a6 9.Qb3 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.d4 dc4 13.Bc4 Nd5 14.0–0 N7b6 15.Nbd2 Nc4 16.Nc4 g5 17.g3 gf4 18.ef4 Kh8 19.Nce5 Qe8 20.bc6+/– bc6 21.Rc1 Ba6 22.Nc6 Rg8 23.Ne7 Qe7 24.Bb2 Nf4?? 25.d5+– e5 26.Be5 Qg7 27.Bg7 Rg7 28.Qb8 Rg8 29.Qf4 Rg3 30.hg3 (30.hg3 Kg8 31.Qg5 Kf8 32.Qd8 Kf7 33.Rc7 Kg6 34.Qg5#) 1–0. carocan (1805) – sb01lzr (1685), kurnik, 2012.

6.a4 g6 7.Nf3 Bg7 8.Be2 0–0 9.0–0 Nbd7 10.d4 Ne4 11.Nbd2 g5 12.Ne5 Ne5 13.de5 Qc7 14.f4 g4 15.Bd3 Nc5 16.Nb3 Nb3 17.Qb3 Kh8 18.Ba3 Re8 19.Bd6 Qf7 20.c5 h5 21.Rfb1 Bd7 22.a5 h4 23.a6 ba6 24.Ra6 1–0. carocan (1745) – ziyo, kurnik, 2011.

6.a4 g6 7.f4 Bg7 8.Nf3 0–0 9.Be2 Bd7 10.0–0 a6 11.Qb3 ab5 12.ab5 Ra1 13.Ba1 cb5 14.cb5 Ne4 15.Bg7 Kg7 16.Ne5 Qf6 17.d4 Rc8+= 18.Bd3 Nd6 19.Nd2 Nf7 20.Qb2 Ne5 21.de5 Qd8 22.Nf3 Qb6 23.Nd4 Kf7 24.Rc1 Nc6 25.Qa1?? Nd4–+ 26.Qd4 Rc1 (26...Rc1 27.Kf2 Qa5 28.Bf5 Qe1 29.Kf3 gf5–+) 0–1. carocan (1750) – megatona (1905), kurnik, 2011.

6.Nc3 Be7 7.Nf3 0–0 8.Be2 Ne4 9.cd5 Nc3 10.Bc3 cd5 11.0–0 b6 12.Ne5 Bb7 13.Rc1 Nd7 14.Nc6 Bc6 15.bc6 Nc5 16.Be5 Bd6+= 17.Bd6 Qd6 18.d4 Ne4 19.f3 Nf6 20.Ba6 Qc7 21.Qa4 g6 22.Bb7+– Rfb8 23.Qa6 Ne8 24.Ba8 Ra8 25.Qb7 Rc8 26.Rc3 Nd6 27.Rfc1 Nc4 28.Rc4 dc4 29.Rc4 a5 30.e4 Kf7 31.d5 ed5 32.ed5 Ke7 33.Qc7 Rc7 34.Kf2 Kd6 35.Rd4 b5 36.Ke3 1–0. marre – qyjcy, internet, 2010.

6.Be2 Be7 7.Nf3 0–0 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 b6 12.bc6 Nc6 13.Nc3 Ba6 14.Qa4 Na5 15.Nd4 Qc8 16.cd5 Be2 17.Nce2 Nd5 18.Rc1 Bc5 19.Nf3 Qe8 20.Qh4 Nb3 21.Rd1 Na1 22.Ra1 Be7 23.Qc4 Bf6 24.d4 b5 25.Qb3 Qd7 26.Nc3 Rc8 27.Qb5+/– Qb5 28.Nb5 Be7 29.g3 Rb8 30.Na3 Rb3 31.Nc4 Kf7 32.Ra7 h6 33.Nfe5 Kf6 34.Nd7 Kg6 35.Ra6 Rb1 36.Kg2 Nc7 37.Rc6 Rb7 38.Nce5 Kh7 39.Nc4?? Ra7?? 40.Ncb6+– Ba3 41.Nc8 Rb7 42.Nc5 Bc5 43.dc5 Kg6 44.Rb6 Rb6 45.cb6 Na6 46.Nd6 Kf6 47.Kf3 Ke7 48.Nc4 h5 49.Kf4 (49.Kf4 Kf6 50.e4 g5 51.Ke3+–) 1–0. Mroz,Antoni – Adamowski,Andrzej, corr 2AMM Poland, 1994.

6.Nf3 a6 7.a4 ab5 8.cb5 Bd7 9.Nc3 Bd6 10.Be2 0–0 11.0–0 Ne4 12.Ne4 fe4 13.Ne5 Be8 14.f4 Nd7 15.bc6 Ne5 16.fe5 Bb4 17.cb7 Rb8 18.Rf8 Kf8 19.Qf1 Kg8 20.Ba3 Ba3 21.Ra3 Rb7 22.Bb5 Bb5 23.ab5 h6 24.Ra6 Qd7 25.Rc6 Qf7 26.Qf7 Kf7 27.b6 Ke7 28.Rd6 Rd7= 29.Rc6 Rb7 30.Rd6?? Rd7= 31.Rc6 Rb7 ½–½. elsh1403 – insolite (1840), kurnik, 2011.

6.Nf3 dc4 7.Bc4 cb5 8.Bb5 Bd7 9.Nc3 Bb5 10.Nb5+= Ne4 11.0–0 Qb6 12.Qa4 Nd7 13.Bd4+/– Nec5 14.Bc5 Nc5 15.Nc7+– Kf7 16.Na8 Na4 17.Nb6 Nb6 18.Rfc1 Bd6 19.d4 h6 20.Rab1 Rd8 21.Nd2 Rd7 22.Nc4 Nc4 23.Rc4 e5 (23...e5 24.d5 b6+–; 23...g6 24.Rc8+–). Van Rooijen,Peter – Wiltenburg,Fred, IECG, 2000.

6.Nf3 Bd6 7.a4 0–0 8.Be2 a6 9.Nc3 e5 10.d4 e4 11.Nd2 f4 12.ef4 Bf4 13.0–0 Bd2 14.Qd2= Bg4 15.cd5 cd5 16.Bg4 Ng4 17.h3 e3 18.Qe2 ef2= 19.Kh1 h5 20.g3 Re8 21.Qf3 Rf8 22.Qd5+– Qd5 23.Nd5 Nf6 24.Nc7 Ra7? 25.Rf2 b6 26.Ne6 Rff7 27.d5! Nd5 28.Rf7 Kf7 29.Ng5 Kg6 30.Ne6 Re7 31.Nf4 Kg5?? 32.h4 Kg4 33.Nd5 Re2 34.Bd4 Rd2 35.Ne3 Kf3 36.Bb6 Nd7 37.Ba5 Rd3 38.Nf5 Nf6 39.Ng7 Ng4 40.Nh5 Rb3 41.Rf1 Ke2 42.Re1 Kf2 43.Nf4 Rg3 44.Bb4 Rh3 45.Nh3 Kg3 46.Rg1 (46.Rg1 Kh3 47.Rg4 Kg4 48.ba6 Kh4 49.a7+–) 1–0. elsh1403 – tompadehorsow, kurnik, 2011.

6.Nf3 Bd6 7.Nc3 0–0 8.Be2 Qe7 9.Qb3 Nbd7 10.d4 Ne4 11.a4 Ndf6 12.Ba3 Bd7 13.Bd6 Qd6 14.Ne4 fe4 15.Ne5 Rfc8 16.0–0 Be8 17.a5 Nd7 18.a6 Rab8 19.ab7 Rb7 20.Nd7 Qd7 21.bc6 Qc6 22.Qa3 dc4 23.Bc4 Rbc7 24.Ba6 Rd8 25.Rfc1 Qb6 26.Rc7 Qc7 27.Be2 Rc8 28.g3 Bg6 29.Qa7+– Qc2 30.Qa2 Qc6 31.Bg4 (31.Bg4 Re8 32.Qa6+–) 1–0. Piantoni,R (2115) – Elitropi,G (2005), VII Open, Bergamo ITA, 2008.

6.Nf3 Bd6 7.bc6 bc6 8.cd5 ed5 9.Bd3 0–0 10.0–0 Ne4 11.Nc3 g5 12.Rb1 g4 13.Nd4 Bh2? 14.Kh2+/– Qh4 15.Kg1 Rf6 16.Nf5 Bf5 17.Ne4 Rh6 18.f4?? de4 19.Qb3+– Be6 20.Qb7 Qh2 21.Kf2 Qh4 22.g3 Qh2 23.Ke1 Rg6 24.Qa8 ed3 25.Qb8 Kf7 26.Qb7 Ke8 27.Qc6 Bd7 28.Qa8 Kf7 29.Qd5 Be6 30.Qb7 Ke8 31.Qa8 Kd7 32.Qa7 Ke8 33.Qb8 Kf7 34.Qc7 Ke8 35.Qc6 Kf7 36.Qb7 Ke8?? 37.Qb5+– Kf7 38.Qd3 (38...Rh6 39.f5 Qg3 40.Kd1+–) 1–0. Bonetti,Shane – lat1 (1715), ICC, 2002.

6.Nf3 Bd6 7.d4 Nbd7 8.Bd3 0–0 9.0–0 Ne4 10.c5 Bc7 11.bc6 bc6 12.Qa4 Bb7 13.Ba3 Rf6 14.Nbd2 Rh6 15.g3 Qe8 16.Be4 fe4 17.Ne1 Qh5 18.h4 Qg4 19.Qd1?? Qg6 20.Ng2 Rf8 21.Rb1 Ba6–+ 22.Qa4 Bf1 23.Nf1 e5 24.Qa7 ed4?? 25.Qc7= Nf6?? 26.Qc6+– de3? 27.Nfe3 d4 28.Qe6 Kh8 29.c6 Re8 30.c7 Re6+= 31.c8Q?? Re8–+ 32.Qf5 de3 33.Qg6 ef2 34.Kf2 Rg6 35.Nf4 Ng4 36.Kg2 Ra6 37.Bd6 Ra2 38.Kh3 Nf2 39.Kg2 Nd3 40.Kh3 Nf4 41.Bf4 e3 42.Re1? e2 43.Kg2 h6 44.Kf2 Kh7 45.Be3 Kg6 46.Re2 Re2 47.Ke2 Kf5 48.Kf3 Rb8 49.Bf4 Rb3 50.Kf2 Kg4 51.Kg2 g5 52.hg5 hg5 53.Bd6 Rb2 54.Kf1 Kf3 55.Kg1 g4 56.Bc7 Rg2 57.Kh1 (57.Kh1 Rg3 58.Bg3 Kg3 59.Kg1 Kh3 60.Kf2 g3 61.Kf1 Kh2 62.Ke2 g2 63.Kd3 Kg3 64.Ke4 g1Q 65.Ke5 Qe3 66.Kd5 Kf4 67.Kd6 Ke4 68.Ke6 Qb6 69.Kd7 Ke5 70.Ke7 Qc7 71.Ke8 Ke6 72.Kf8 Qf7). carocan (1735) – niezly85 (1810), kurnik, 2011.

6.Nf3 Bd6 7.Ne5 0–0 8.Qf3 Ne4 9.Bd3?? Qf6?? 10.Be4–/+ Be5 11.Be5? Qe5–+ 12.d4 Qe4 13.Qe4 fe4 14.bc6 Nc6 15.c5 b6 16.cb6 ab6 17.Nc3 Nb4 18.Ke2 Nd3 19.Rhf1 Ba6 20.Kd2 Rf2 21.Rf2 Nf2 22.Ke1 Nd3 23.Kd2 Rf8 24.Kc2 Rf2 25.Kb3 Bc4 26.Ka3 Rf8 27.Na4 Ra8 28.g4 b5 (28...b5 29.Rc1 Ra4#) 0–1. Goutioudi,Eirini – Giannopoulou,Kelly, Girls–12 Niforeika, 2000.

6.Nf3 Be7 7.Be2 0–0 8.h3 Nbd7 9.Ng5 Nc5 10.Qc2 Nce4 11.Nf3 Bd7 12.0–0 Rc8 13.Qd1 Nd6 14.Ne5 Be8 15.a4 Nf7 16.Nf3 Bd6 17.Nd4 Bd7 18.f4 Ne4 19.d3 Ng3=+ 20.Rf3 Ne2 21.Ne2 Be7 22.Nd2 Bf6 23.Bf6 Qf6= 24.Qb3?? Qa1–+ (24...Qa1 25.Rf1 Qf6–+) 0–1. Nyikos,Laszlo – Schmidt,Roland, 14 sen. LSenEM Brandenburg op, 2006.

6.a4 a6

7.Qb3 ab5 8.ab5 Ra1 9.Ba1 Be7 10.Nf3 0–0 11.Be2 Nbd7 12.d4 Ne4 13.0–0 Nd6 14.Nbd2 Ne4 15.Bb2 Nd2 16.Nd2 Nf6 17.Bd3 Ne4 18.Nf3 Bf6 19.Be4 fe4 20.Ne5 Be5 21.de5 Bd7 22.Rd1 Qg5 23.bc6 Bc6 24.Ba3 Re8 25.g3?? Qg4 26.Bd6 Qf3 27.Ra1 h5 28.cd5 ed5 29.h4 g5 30.hg5 Qg4 31.Qd1 Qg5 32.Kg2 Kg7 33.Qe2 Kg6 34.Rh1 Bd7 35.Qd1 Bg4=+ 36.Qd5 Bf3 37.Kg1 Bh1 38.Kh1 Qf5 39.Kg1 Rc8 40.Qd1 Qf3 41.Qf3 ef3 42.e6 Kf6 43.e7 b5 44.Kh2 Ke6 45.Bb4 Re8 46.Kh3 Re7 47.Kh4 Rh7 48.Kg5 Kd5 49.Kf4 Rf7 50.Kg5 Kc4 51.Bd6 b4 52.Kh5 b3 53.Be5 Rf5 54.Kg4 Re5 55.Kf3 b2 56.Kf4 Re7 57.g4 b1Q 58.f3 Qd3 59.e4 Qd2 60.Kg3 Kd4 61.g5 Rg7 62.f4 Qe3 63.Kg4 Ke4 64.f5 Qf4 65.Kh3 Rg5 66.f6 Qg3 0–1. carocan (1760) – lcommandante (1620), kurnik, 2011.

7.Qb3 Bd6 8.Nf3 0–0 9.Be2 ab5 10.ab5 Ra1 11.Ba1 Bd7 12.0–0 cb5 13.cb5 Be8 14.d4 Bh5 15.Nbd2 Ne4 16.Bd3 Bf3 17.Nf3 Nd7 18.Bb2 g5 19.Ba3 Ba3 20.Qa3 g4 21.Ne5 Ne5 22.de5 Rf7 23.f4 gf3= 24.Rf3 Qb6?? 25.Be4+– de4 26.Rg3 Rg7 27.Rg7 Kg7+= 28.Qe7 Kg6 29.Qf6= Kh5 30.Kf2 Qb5?? 31.h4 Qb2 32.Kg3 f4 33.ef4 Qc3 34.Kh2 h6 35.Qe6 Qe1 36.Qf5 Kh4 37.Qh3# 1–0. carocan (1865) – cholera3580 (1770), kurnik, 2011.

7.Nc3 ab5 8.ab5 Ra1 9.Ba1 Bd6 10.Qb3 0–0 11.Nf3 Kh8 12.d4 Bd7 13.Bd3 Ne4 14.c5 Be7 15.b6 Bf6 16.0–0 Be8 17.Bb2 Nd7 18.Ra1 Bh5 19.Be2 Bf3 20.Bf3 Nd2 21.Qd1 Nf3 22.Qf3 e5 23.Ne2 e4 24.Qf4 h6 25.Bc3 Bg5 26.Qd6 Nf6 27.Qd8 Rd8 28.Ra7 Rb8 29.Ng3 g6 30.h3 f4 31.Nf1 fe3 32.fe3+/– Bh4? 33.g3+– Bg5 34.h4 Bh4 35.gh4 Ng4 36.Kg2 Kg7 37.Be1 1–0. blackiwhite (1705) – cholera3580 (1790), kurnik, 2011.

7.Nc3 ab5 8.ab5 Bb4?? 9.Ra8+– Nbd7 10.Qb3 0–0 11.Qb4 1–0. carocan (1695) – srbisucigani, kurnik, 2011.

7.Nc3 ab5 8.cb5 Bb4 9.Nf3 0–0 10.Be2 Ne4 11.0–0 Qe8 12.Ne5 Bd6 13.Ne4 fe4 14.f3 Qh5 15.fe4+/– Qg5 16.Rf8 Kf8? 17.Nf3 Qh6 18.e5 Be7 19.Qc2 Bd7 20.Rf1 Kg8 21.Nd4 c5 22.Nf3 Be8 23.d4 c4 24.e4 Nd7 25.ed5 ed5 26.Bc1 Qg6 27.Qd2 h6 28.Bd1+/– Qe4 29.Bc2 Qg4 30.h3 Qg3 31.Nh2 Nf8 32.Ng4 Bd7 33.Nh6 gh6= 34.Qh6 (34.Qh6 Qh4 35.Qh4 Bh4 36.Be3=) 1–0. elsh1403 – mondeo16, kurnik, 2011.

7.Nc3 Bd6 8.d3 Qe7 9.Nf3= Bd7 10.Qb3 ab5 11.cb5 c5 12.a5 =. Dopper,Johan – Masmeijer,Mark, corr NED 1–416, 1989.

6.a4 Bd6

7.Qb3 0–0 8.f4 Ne4 9.Nf3 Nd7 10.d4 Ndf6 11.Bd3 Qa5 12.Bc3 Nc3 13.Nc3 Bb4 14.Rc1 cb5?? 15.ab5? a6?? 16.0–0= ab5 17.cb5 Bd7 18.Ra1 Qa1=+ 19.Ra1 Ra1 20.Kf2 Bd6 21.h3 Rfa8 22.Nb1 R1a2 23.Nfd2 Ne4 24.Be4 fe4 25.g4 R8a5 26.Kg3 Bb5?? 27.Nc3?? R2a3 28.Qb2 Bc6 29.Ndb1 Ra1 30.h4 Ra8 31.h5 h6 32.Kh4 Be7 33.g5 hg5 34.fg5 R1a7 35.Qh2 Rf8 36.Qe5=+ Rf5?? 37.Qc7?? Bg5–+ 38.Kg4 Ra8 39.Nb5 Be3 40.Nd6 Rf6 41.Nb7 Raf8 42.Qc6 (42.Qc6 Rf4 43.Kh3 Rf3 44.Kg2 Rf2 45.Kh1 Rf1 46.Kg2 R8f2 47.Kh3 Rf3 48.Kg2 R1f2 49.Kh1 Rh3 50.Kg1 Rc2 51.Kf1 Rh1) 1–0. carocan (1845) – cholera3580 (1785), kurnik, 2011.

7.Nc3 Nbd7 8.d4 0–0 9.c5 Bc7 10.Bd3 Ne4 11.Nf3 Rf6 12.Qe2 Rg6 13.g3 e5=+ 14.Be4 fe4–/+ 15.Nh4 Rf6 16.f4 ed4 17.ed4 Rh6 18.Nf5 Rf6 19.Ne3 Nf8 20.0–0–0 Bd7 21.h3 b6 22.Ng4 Rg6 23.Rhg1 bc5 24.dc5 Ne6?? 25.Nd5?? cd5–/+ 26.Rd5 Nf4 27.gf4= Bf4 28.Kb1 Qe7 29.Rd7 Qd7= 30.Qe4 Rf8=+ 31.Rf1 Qf5 32.Qf5+= Rf5 33.c6 h5 34.Ne3!+– Rf8 35.Nd5 Bg3 36.Rf8 Kf8 37.c7 Bc7 38.Nc7 Rg1 (38...Rg1 39.Ka2 Ke7+–). blackiwhite (1685) – niezly87 (1835), kurnik, 2011.

7.d4 0–0 8.f4 Nbd7 9.Nf3 dc4 10.Bc4 Nb6 11.Bd3 Bb4 12.Nbd2 Nbd5–/+ 13.Qe2 Ng4 14.0–0 Nge3 15.Rfc1 Bd7 16.bc6 bc6 17.Ba3 a5 18.Ne5 Qe8 19.Bb4 ab4 20.a5 Ng4 21.Qf3 Ngf6 22.Nb3 Nc3 23.Nc5 Qe7 24.Qe3 Nfd5 25.Qf2 Be8 26.Re1 Qd6 27.g3 g6 28.Nc4+/– Qb8 29.Ne6 Rf6 30.Nc5 1–0. carocan (1785) – tom01, kurnik, 2011.

7.Nf3 Nbd7 8.d4 c5 9.Bd3 b6 10.Nbd2 Bb7 11.Qc2 Ne4 12.dc5 Ndc5=+ 13.Be4? fe4–+ 14.Nd4 Nd3 15.Ke2 Rf8 16.f3–/+ Qh4 17.Raf1 Kd7 18.Bc3 ef3?? 19.N4f3+– Qg4 20.Qd3 dc4 21.Qh7?? Qg2= 22.Ke1 Bf3=+ 23.Nf3 Rf3–/+ 24.Rf3 Be7?? (24...Be7 25.Rhf1 Qg5+–; better is 24...Qf3 25.Qg7 Kc8–/+). Nielsen,Joergen Axel – Pedersen,P, Denmark, 1973.

7.Nf3 Nbd7 8.cd5 cd5 9.Bf6 Nf6 10.d4 0–0 11.Bd3 Ne4 12.0–0 Bd7 13.Be4 fe4 14.Ne5 Be5 15.de5 Qg5 16.Qd4 Rf5 17.Nd2 Re5 18.Rac1 Rf5 19.Ne4 Qe7 20.Ng3 Rff8 21.Rc7 b6 22.Rfc1 Rfc8 23.Qe5 Qb4 24.h3 Qe7 25.Nf5! Qf6?? 26.Qf6 gf6 27.Ne7 Kf7 28.Nc8 (28.Nc8 Rc8 29.Rd7 Ke8 30.Rcc7 Rc7 31.Rc7+–) 1–0. ludice (1760) – formen24 (1765), kurnik, 2011.

7.f4 Nbd7 8.Nf3 0–0 9.Be2 Ne4 10.0–0 Nef6 11.d4 Ne4 12.Nbd2 Rf6 13.Bd3 Rh6 14.Ne5 Qh4 15.Ndf3+/– Qh5 16.c5 Bc7 17.bc6 Ne5 18.de5 bc6 19.h3 Rg6=+ 20.Kh2 Nc5 21.Be2 Qh6 22.Nd4 Bd7 23.Qc2 Bb6?? 24.a5+– Ne4? 25.ab6 1–0. carocan (1745) – niezly85 (1800), kurnik, 2011.

7.f4 Ne4 8.Nf3 0–0 9.Be2 Nd7 10.0–0 Ndf6 11.d4 Ng4 12.Qb3 Rf6 13.h3 Nh6 14.Ne5 Qe8 15.Ba3 Be5 16.de5 Rg6 17.Bh5 Rg2=+ 18.Kg2 Qh5 19.Qd1 Qg6 20.Kh1 Ng3 21.Kh2 Nf1 22.Qf1 Bd7 23.Nd2 Qh5 24.Qf3 Qh4 25.Kg2 Be8 26.Qg3 Qd8 27.Qg5 Qg5 28.fg5 Nf7 29.cd5 ed5 30.Nf3 cb5 31.ab5 Bb5 32.Rc1 Bc6 33.Kg3 Re8–+ 34.Kf4 g6 35.Bd6 Nd6 36.ed6 Kf7?? 37.Nd4 Rc8 38.Ke5 Re8 39.Kf4 Rc8 40.Ke5 Re8 41.Kf4= ½–½. carocan (1780) – niezly85 (1765), kurnik, 2011.

7.f4 0–0

8.Nf3 Nbd7 9.d4 Ne4 10.Bd3 Ndf6 11.0–0 Bd7 12.Qb3 Kh8 13.Nbd2 Be8 14.Be4 Ne4 15.Ne4 fe4 16.Ne5 Qh4 17.Ba3 Ba3 18.Qa3 Kg8 19.bc6 Bc6 20.Qd6 dc4? 21.Qe6+– Kh8 22.Qc4 Qf6 23.d5 Be8 24.Qe4 Bg6 25.Qd4 Rae8 26.d6 Bf5 27.Rfd1 Rd8 28.Rac1 Qe6 29.Rc7 Rf7 30.Nf7 (30.Nf7 Kg8 31.Nd8 Qh6 32.Qc4 Qe6 33.Ne6 Bg6 34.Qc3 b5 35.Qg7) 1–0. carocan (1840) – sahi237 (1695), kurnik, 2011.

8.Nf3 Nbd7 9.Be2 Ne4 10.d4 Ndf6 11.0–0 Qe8 12.Bd3 Qh5 13.Ne5 Qh6 14.Nd2?? g5?? 15.Be4 Ne4 16.Ne4 fe4 17.Qg4 Rf5 18.Ba3 Be5 19.fe5 Bd7 20.cd5 cd5 21.Be7 Rc8 22.Rf5 ef5 23.Qg5 Qg5 24.Bg5 Rc4 25.h3 Kf7 26.Kf2 Ke6 27.Kg3 a6 28.ba6 ba6 29.a5 Bb5 30.Bf4 Rc2 31.h4 h5 32.Bg5 Rc3 33.Ra2 Rc1 34.Rf2 Ra1 35.Bd8 Ra3 36.Kf4 Rc3 37.Rf1?? Bf1–+ 0–1. carocan (1770) – rgozdziewicz, kurnik, 2011.

8.Nf3 Nbd7 9.Be2 Qe7 10.d4 Ne4 11.0–0 cb5 12.ab5 b6 13.Nbd2 Bb7 14.Ne5 Ne5 15.de5 Bc5 16.Bd4 Nd2 17.Qd2 dc4 18.Bc4 Kh8 19.Bc5 bc5 20.Qa2 Rfe8 21.Rfd1 Be4 22.Rd6 Qh4 23.Be6 Qg4 24.Bd5 h5? 25.Be4 fe4 26.Rd7?? Red8 27.Rad1?? Rd7–+ 28.Rd7 Qd7 29.h3 0–1. carocan (1740) – coki50 (1765), kurnik, 2011.

8.Nf3 Ne4 9.Bd3 Nd7 10.0–0 b6 11.Be4 fe4 12.Ne5 Ne5 13.fe5 Bc7 14.d4 Bd7 15.Qe2 Rf1 16.Qf1 Qg5 17.Qe2 Rf8 18.Nd2 Bd8 19.Rf1 Qh6 20.Rf8 Kf8 21.Ba3 Kg8 22.c5 Kf7 23.Nf1 g6 24.cb6 ab6+= 25.bc6 Bc6 26.Qc2 Bd7 27.Qb3 Qh5 28.Qb4 Qh6 29.Qd6 Ke8 30.Qb4 Qg7 31.Nd2 Qh6 32.Kf2 Bh4 33.g3= Bd8 34.h4 g5 35.hg5 Bg5 36.Nf1 Bd8 37.Kg2 1–0. carocan (1750) – krukbialykruk (1745), kurnik, 2011.

8.Nf3 Ne4 9.Be2 Nd7 10.0–0 Qe7 11.d3+= Nef6 12.d4 Ne4 13.Nbd2 Rf6 14.Ne5+/– Rh6 15.Ne4 fe4 16.Qe1 Bb4 17.Qf2 a5 18.bc6+/– Ne5 19.cb7 Bb7 20.de5 Rc8 21.cd5 Bd5 22.Rfc1 Rf8 23.Bd4 Kh8 24.Bb5 g5 25.g3 gf4 26.gf4 Rg8 27.Kh1 Rhg6 28.Rg1 Qg7 29.Rg6 Qg6 30.Rg1 Qg1 31.Qg1 Rg1 32.Kg1 Kg7 33.Kf2 Kg6 34.Kg3 Kf5 35.Be2 Be1 36.Kh3 h6 37.Bg4 (37.Bg4 Kg6 38.Bd1+/–) 1–0. carocan (1730) – elmates, kurnik, 2011.

8.Nf3 Ne4 9.Be2 Nd7 10.d3 Ndf6?? 11.de4+– Ne4 12.0–0 Qb6 13.Bd4 c5 14.Be5 Be5 15.Ne5 d4 16.Nd2 Nc3 17.Qe1 Qd8 18.Ndf3 h6 19.ed4 cd4 20.Bd3 b6 21.Qf2 Bb7 22.Nd4 Qd6 23.Rfc1 Ne4 24.Be4 Be4 25.Rd1 Qb4 26.Ne6 Rfc8 27.Rd7 Rc4 28.Rg7 Kh8 29.Qh4 Qc5 30.Kh1 Rc1+– 31.Qe1! Re1 32.Re1 Qd5 33.Ng6 (33.Nf7) 1–0. carocan (1675) – deadsrb (1700), kurnik, 2011.

4.b5 Be7

5.a4 0–0 6.e3 c6 7.d4 d5 8.Nd2 a5 9.Ngf3 cb5 10.ab5+= b6 11.Be2 Bb7 12.0–0 Nbd7 13.Qc2 dc4 14.Bc4 Bd5 15.Qb3 Rc8 16.Rac1 Ne4? 17.Ne4?? fe4? 18.Bd5+– ed5 19.Qd5 Kh8 20.Qe4 Rc1 21.Rc1 Nf6 22.Qe6 Bb4 23.Ne5 Qe8 24.Qb6 Ne4 25.f3 Nd2? 26.Rc7 h6 27.Ng6 Kh7 28.Nf8 Qf8 29.d5 Nf3 30.gf3 Qf3 31.Rg7 Kh8 32.Qh6# 1–0. blackiwhite (1630) – kasparow64 (1770), kurnik, 2011.

5.Nc3 b6 6.e3 Bb7 7.Nf3 d6 8.d4+= Ne4 9.Be2 Nd7 10.Qb3 c5 11.d5 Nc3 12.de6 Ne2=+ 13.ed7 Kd7 14.Ke2 Bf6 15.Rhd1 Qe7 16.Bf6 Qf6 17.Qd3 f4 18.e4 Be4!–/+ 19.Qe4 Rhe8–+ 20.Qe8 Re8 21.Kf1 Qc3 22.Rac1 Qb2 23.Rb1 Qf6 24.a4?? g5 25.h3 h5 26.Rb3 Qe6 27.Rbd3 g4 28.hg4 hg4 29.Rd6 Qd6 30.Rd6 Kd6 31.Nd2 Ke5 32.Nb3 Ke4 33.Ke2 Rd8 34.f3 gf3 35.gf3 Ke5 36.a5 Rh8 37.Kd3 Rh3 38.Ke2 Rh2 39.Kd3 Rf2 40.Nc5 bc5 41.Kc3 Rf3 42.Kc2 Rh3 (42...Rh3 43.b6 ab6 44.ab6 Kd4–+) 0–1. Gerhard,P – Hartgers,L, Dieren op–C, 2001.

5.d4 0–0 6.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.d4).

5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4).

5.Nf3 0–0 6.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.c4 0–0 6.Nf3).

5.Nf3 0–0 6.g3 d6 7.Bg2= Nbd7 8.d4 Ne4 9.Nfd2 Ndf6 10.Ne4 Ne4 11.f3 Nf6 12.0–0 Qe8 13.a4 Qh5 14.Nd2 g5 15.d5 e5 16.e4 f4 17.g4 Bg4 18.fg4+/– Ng4 19.h3+– Nf6 20.Qh5 Nh5 21.Rf2 Ng3 22.c5! h5 23.Kh2 h4 24.Bf3 b6 25.cd6 Bd6 26.Ba3 a6+/– 27.Bd6 cd6+– 28.Rc1 ab5 29.ab5 Rfc8? 30.Rc6+– Rc6 31.dc6 Ra2 32.Bd1 Ra1 33.Bb3 Kf8 34.c7 Ra8 35.Be6 Ke7 36.c8Q Rc8 37.Bc8 Kd8 38.Bg4 Ke7 39.Bf3 Ke6 40.Nc4 d5 41.ed5 Kd7 42.Bg4 Kc7 43.d6 Kb7 44.Ne5 (44.Ne5 Nf1 45.Rf1 Kb8 46.Nc6 Kb7 47.Ra1 f3 48.Ra7#; 44.Ra2 Nf1 45.Kg1 Ng3 46.Ne5 f3 47.Bf3 Ne4 48.Be4 Kc8 49.Ra8#) 1–0. super knight – juanpacio (1700), internet, 2006.

3.c4 g6

4.d4 d5 5.c5 Bg7 6.e3 0–0 7.g3 Qe8 8.Bg2 c6 9.Nf3 Ne4 10.Ne5 Be5 11.de5 e6 12.0–0 b6 13.cb6 ab6 14.h4 Ba6=+ 15.Re1 Qe7 16.a4 Nd7 17.Ba3 c5 18.Be4 fe4–+ 19.Qb3? Bc4 20.Qb2 Ra4 21.Nd2?? Bd3 22.bc5 bc5 23.Nb3?! Rb8 24.Qc3 Rc4 25.Qb2 Qg7 26.Rac1 Rc1 27.Qc1 Rb3 28.Bc5 Nc5 29.Qc5 Qb7 30.Qd6 Rb6 31.Qd8–/+ Kg7 32.Qf6= Kg8 33.Qd8 Kg7 34.Qf6= Kg8 35.Qd8 ½–½. ludice (1660) – brentano, kurnik, 2011.

4.d4 Bg7 5.e3 0–0 6.Be2 d6 7.Nf3 a5 8.b5 Ne4 9.0–0 c5 10.a4 b6 11.Qc2 Nd7 12.d5 Bb2 13.Qb2 e5 14.de6 Ndf6 15.Bd3 Be6 16.Be4 Ne4 17.Nbd2 Nd2 18.Nd2 Qe7 19.Rfd1 Rad8 20.Qc3 Qf7 21.Rac1 d5 22.cd5 Rd5 23.Nf3 Rfd8 24.Rd5 Rd5 25.Ng5 Qd7 26.h4 Rd1 27.Rd1 Qd1 28.Kh2 Qd5?? 29.Qf6+– Bf7 30.Qb6 c4? 31.Nf7 Qf7? 32.Qa5 Qd5 33.Qc3 Qd3 34.Qd3 cd3 35.b6 d2 36.b7 d1Q 37.b8Q Kf7 38.Qc7 Kf6 39.a5 Qe2 40.Kg3 Qa2?? 41.Qd6 Kf7 42.a6 Qa4 43.Qc7 Kf6 44.f4 Qa3?? 45.Qe5 Kf7 46.a7! Qa7 47.h5! Qa3 48.hg6 hg6 49.Kh2 Qb2?? 50.Qb2+– Ke6 51.Qe5 Kf7 52.g4! Kg8 53.gf5 gf5 54.Qf5 Kg7 55.e4 Kh6 56.e5 Kg7 57.e6 Kg8 58.e7 Kg7 59.Qg5 Kf7 60.f5 Ke8 61.f6 Kd7 62.Qf5 Ke8 63.f7 (63.f7 Ke7 64.f8Q#) 1–0. ludice (1715) – marcopolo60 (1730), kurnik, 2011.

4.d4 Bg7 5.e3 0–0 6.Nf3 Nc6 7.b5 Nb8 8.Be2 d6 9.0–0 e6 10.Qb3 Ne4 11.Nc3 g5 12.Ne4+– fe4 13.Nd2 d5 14.cd5 ed5 15.Ne4 Bf5 16.Ng3 Bg6 17.Bf3 Rf3 18.gf3 Qd6 19.Ba3 Qe6 20.Rfc1 Nd7 21.Rc7 Nb6 22.Rb7 Nc4 23.Rd1 Rf8 24.Bf8 Bf8 25.Ra7 Bd6 26.b6 Qh3 27.b7 g4 28.fg4 Bg3 29.fg3 Be4 30.b8Q# 1–0. ludice (1750) – aurel56, kurnik, 2011.

4.d4 Bg7 5.e3 0–0 6.f4 d6 7.Nf3 Ne4 8.Nbd2 c5 9.b5 cd4 10.Bd4 Bd4 11.Nd4 e5=+ 12.Ne4 fe4 13.Nc2 ef4 14.ef4 Rf4 15.g3 Qa5 16.Qd2 Qd2 17.Kd2 Rf2 18.Kc3 Bf5 19.Re1 Nd7 20.Re2 Rf3 21.Kb2? Nc5 22.Rd2 Na4 23.Kc1 e3 24.Re2 Bc2 25.Kc2 Raf8 26.Bg2=+ Rf2 27.Rhe1 Re2 28.Re2 Rf2 29.Kd3 Re2 30.Ke2 b6 31.Ke3 Kg7 32.Kd4 Kf6 33.Kd5 Ke7 34.Kc6 Nb2 35.Bd5 Nd3 36.Kb7 Nf2? 37.Ka7 Ng4 38.Kb6 Nh2 39.a4 Nf1 40.a5 Ng3 41.a6 h5 42.a7 h4 43.a8Q h3 44.Qh8 Nh5 45.Qh7 Kf6+– 46.Qh5! gh5 47.Kc6 1–0. ludice (1710) – vorvanovic, kurnik, 2011.

4.d4 Bg7 5.Nf3 d6 6.e3 Ne4 7.Bd3 c5 8.bc5 dc5 9.Be4 fe4 10.Ng5 Bf5 11.g4 h6 12.gf5+/– hg5 13.fg6 Nc6 14.Qg4 cd4= 15.Qe4?? 0–0?? 16.h4 g4 17.Qg4 de3 18.Qe6+– Kh8 19.Bg7 Kg7 20.Qe3 Rf6 21.h5+– Qa5 22.Nd2 Ne5 23.h6 Kg6 24.Rg1 Kh7 25.0–0–0 Qa2?? 26.Rg7 Kh8 27.Qe5 Rc8 (27...Rc8 28.Rh7! Kh7 29.Qe7 Rf7 30.Qf7 Kh6 31.Qf6 Kh7 32.Rh1 Kg8 33.Rh8). baovn21 (1615) – marcopolo60 (1830), kurnik, 2011.

4.e3 e5 5.Be5 Nc6 6.Bf6 Qf6 7.Nc3 =.

4.Nf3 Bg7 5.Qb3 d6 6.d4 0–0 7.e3 c5 8.bc5 dc5 9.d5 Na6 10.Be2 Qb6 11.0–0 e6 12.de6 (12.Rd1 Qb3 13.ab3 Nb4+/–) 12...Be6 13.Ng5 Bd7 14.Bf3 Bc6 15.Qb6 ab6 16.Ne6 Bf3 17.gf3 (17.Ng7 Be2 (17...Kg7?! 18.gf3 Nb4 19.Nc3=) 18.Ne6 Rfe8 (18...Bc4?! 19.Nf8 Bf1 20.Nh7 Kh7 21.Kf1=) 19.Nc5 Bf1 20.Kf1 bc5 21.Bf6 Re6–/+) 17...Rfe8 18.Ng7 Kg7 19.Nc3 Kf7 20.Nb5 Red8 21.Rfd1 Ne8 22.Be5 Nb4 23.a3 Nc6 24.Bf4 Na5 (24...Rd1 25.Rd1 Ke6 26.Bc7+=) 25.Bg5 (25.Rd8 Rd8 26.Rc1 Rd3=) 25...Nf6 (25...Rd1!? 26.Rd1 Nc4 27.Rd7 Kg8 28.Rb7 Ra5–/+) 26.Bf6 Kf6 27.Nc7 Rac8 (27...Nc4!? 28.Na8 Ra8+=) 28.Nd5+/– Ke6 29.Nb6 Rd1 30.Rd1 Rc6 31.Rb1 Rd6 32.Rb5 Nc6 33.Nd5 Ne5+/– 34.Nf4 Kf6 35.Nd5 Ke6 36.Nf4 Kf6 37.Rc5 Nf3 38.Kg2 Nh4 39.Kg3+– g5 40.Nd5 Kg6 41.Rb5 Rd7 42.Rb6 Kg7 43.Nf6 Rd3 44.Nh5 Kf8 45.Rb7 h6 46.a4 Rd1 47.f4 Rf1 48.h3 Rf3 49.Kh2 Re3 50.a5 Re2 51.Kg1 Ra2 52.c5 Nf3= 53.Kf1 Nd4 54.Ra7+/– Nc6 55.Ra6 Nb4? 56.Rb6 Nd5 57.Rh6 gf4 58.Nf4 Nf4= 59.Rf6 Ke7 60.Rf5 Ne6 61.c6 Kd6 62.h4 Kc6 63.h5 Nd4 64.Rf6 Kb5 65.a6 Nc6 66.h6 Rh2 67.Kg1+/– Rh5 68.Kg2 Ka6? 69.Rc6+– Kb7 70.Rg6 Kc7 71.Kg3 Kd7 72.Kg4 Rh1 ½–½. Nuessel,Georg (2125) – Loos,Stephan (2100), Landesliga Sued, 2006. (=1.c4 f5 2.b4 Nf6 3.Bb2 g6)

4.Nf3 Bg7 5.e3 0–0 6.Be2 d6 7.0–0 e5 8.d3 h6 (8...e4 9.de4 fe4 10.Nd4=) 9.Qc2 g5 10.Nc3 Nc6 11.b5 Ne7 12.a4 c5 13.Rfd1 (13.bc6 Nc6 14.Ba3 g4+=) 13...Qe8 14.h3 Qg6 15.Nd2 h5 Black plans g4 16.Nb3 (16.Re1 g4 17.Kh1 f4 18.ef4 gh3 19.gh3 Bh3+=) 16...f4 17.Qd2 (better is 17.ef4!? gf4 18.Kh1+=) 17...g4 18.hg4 Ng4 19.Bf3 (better is 19.ef4 Rf4 20.Ne4+=) 19...fe3–/+ 20.fe3 Rf3! 21.gf3 Ne3 22.Kh1 (22.Kh2 Nd1 23.Rd1 Qf5–+) 22...Nd1 23.Rd1 Qf5 (better is 23...Nf5!? 24.Qh2 Ng3 25.Kg1 Ne2 26.Kh1 Nc3 27.Bc3 Kf7–+) 24.Qg2–/+ Qf4 25.Bc1 Qh4 26.Kg1 Bh3 27.Bg5 (27.Qg5 Qg5 28.Bg5 Kf7–/+) 27...Bg2 28.Bh4 Nf5 (28...Bf3 29.Rf1 Nf5 30.Rf3 Nh4 31.Rh3–/+) 29.Kg2 Nh4 30.Kf2 Rf8 31.Nd2 Bh6 32.Rg1 Kh7 33.Nce4 Bd2 (33...Nf5 34.Ng5 Bg5 35.Rg5–/+) 34.Nd2 Kh6 35.Ke2 (35.a5 Rh8–/+) 35...Nf5 36.Kf2 Nd4 (36...b6 37.Ne4–/+) 37.Rg3 (better is 37.a5–/+) 37...Nf5 38.Rg1 Nd4 39.Rg3 h4 (39...a6 40.b6–/+) 40.Rh3 (40.Rg4 Nf5–/+) 40...Nf5–+ 41.Ne4 Kg6 42.Rh1 Nd4 (better is 42...Kh5!?–/+) 43.Rh3+= Nf5 44.Rh1 Rf7 (44...Kh5 45.a5–+) 45.Rg1 Kh6 46.Rg4 Rg7 47.Nf6? (better is 47.Kg1–/+) 47...Rf7 (better is 47...Rg4 48.Ng4 Kg5–+) 48.Ne4–/+ b6 (48...Rf8 49.Kg1–/+) 49.Nd2 (49.Kg1 Rg7–/+) 49...a6 50.Rg1? (50.ba6 Ra7 Decoy) 50...ab5–+ 51.ab5 Ra7 52.Rg8 Ra2 53.Ke2? (53.Ke1 Ra3 54.Rf8 Ra1 55.Kf2 Ra2–+) 53...Nd4 (53...Kh7 54.Rg2 Nd4 55.Ke3–+) 54.Ke3? (better is 54.Ke1–+) 54...Nf5 55.Ke2 Ng3 (better is 55...Kh7!? 56.Rg2 Nd4 57.Ke3–+) 56.Ke3 (better is 56.Ke1–+) 56...Nf5?? (better is 56...Kh5 57.Rf8 Kg6 58.Rg8 Kf7–+) 57.Ke2 Ra7 58.Rg4?? (58.Kf2 Kh7 59.Rg5 Nd4 60.Rh5 Kg6 61.Rh4 Ra2–/+) 58...Ra2 (58...h3!? 59.Nf1 Ra2 60.Ke1–+) 59.Rg8 Kh5 (59...Kh7 60.Rg2 Nd4 61.Ke3–+) 60.Rh8 Kg5 (60...Nh6!? 61.Ke1 h3 62.Nf1–+) 61.Rg8 Kf6 62.Rf8 (better is 62.Ke1–+) 62...Kg6 63.Rg8 (63.Ke1 h3 64.Rg8 Ng7 65.Nf1–+) 63...Kh5 64.Rg1?? (64.Rh8 Nh6 65.Ke1–+) 64...h3–+ 65.Ke1 (65.Rb1–+) 62...h2 0–1. Souza,Kim Garcia De (1765) – Boff,Andre Ricardo (2030), Curitiba BRA, Terzian Mem, 2014.

4.f4 Bg7 5.Nf3= 0–0 6.g3 (6.Nc3 Nc6=) 6...d6 (6...d5 7.cd5 Nd5 8.Nc3+=) 7.Bg2= Be6 (7...Nc6 8.Qa4=) 8.Qc2 (8.Ng5 Bc8+=) 8...Nbd7 (8...Nc6 9.Ng5 Qd7 10.b5+=) 9.Ng5 (9.Nd4 Bf7 10.Bb7 Rb8+/–) 9...Bf7= 10.0–0 c6 11.a3 (11.e3 a5 12.Nf7 Rf7+=) 11...a5= 12.Nf7 Rf7 (12...Kf7 13.e3=) 13.e3 Qb6 14.ba5 (14.Nc3!?+=) 14...Qa5+= 15.d4 Rff8 (15...Nb6!?+=) 16.Nd2= Nb6 17.Rfe1 (17.a4 Ng4 18.Ra3 Ra7+=) 17...Qa4 (17...Na4 18.Rab1=) 18.Qd3 (18.Rac1 Qc2 19.Rc2 Ra4=) 18...Rad8 (18...Qa6 19.Qb3 Na4 20.Rab1=) 19.e4 (19.Rab1!?=) 19...fe4 20.Be4 Ne4 21.Re4 Rf7 (21...e5 22.fe5 de5 23.c5+=) 22.Rae1 Kf8 (22...Bf6 23.R4e2=) 23.Re6 Bf6 24.h4 (better is 24.Rb1=) 24...h5 (24...Kg8 25.Rc1=) 25.Qg6 Bh4?? (25...Nc4 26.Nc4 Qc4 27.Qh5 Kg8+/–) 26.Qh5+– Bf6 27.Rf6! Rf6 28.Qh8 Kf7 29.Qd8 Nc4 30.Re7 Kg6 31.Qg8 Kf5 32.Qg5# 1–0. Woloszyn,Piotr (1665) – Bujalski,Mateusz, III Turniej Szachowy Cztery Pory Roku Poland, 2012.

4.f4 Bh6 5.e3 =.

4.g3 e5 5.Be5 Bb4 6.Bg2 =.

4.e3 Bg7

5.d4 0–0 6.Nf3 c6 7.Be2 d5 8.0–0 h6 9.Qb3 Be6 10.Ne5 Nbd7? 11.Ng6+/– Rf7 12.Ne5 Ne5+= 13.de5 Ng4 14.cd5 Bd5 15.Bc4 Ne5 16.Bd5 cd5 17.Nd2 e6 18.Be5 Be5 19.Rac1 Qh4 20.g3 Qh3 21.Nf3 Bf6 ½–½. ludice (1700) – grygierov (1920), kurnik, 2011.

5.Be2 0–0 6.Nf3 e6 7.0–0 d5 8.Ne5 Nbd7 9.Nd7 Nd7 10.Bg7 Kg7 11.d4 dc4 12.Bc4 e5 13.Nc3 Nb6 14.Qb3 Nc4 15.Qc4 ed4 16.Rfd1 c6 17.Rd4 Qe7 18.Ne2 Be6 19.Qc3 Kg8 20.Nf4 Bf7 21.a3 Rad8 22.Rad1 g5 23.Rd8 Rd8 24.Rd8 Qd8 25.Nd3 Bg6 26.Ne1 Qd6 27.f3 h5 28.g3 f4 29.g4 hg4 30.fg4 Qd1 31.h3 f3 32.Qc4 Bf7 33.Qf1 Bd5 34.Qf2 Qa1 35.h4 Qa3 36.hg5 Qb4 37.Qg3 Be6 38.Qb8 Qf8 39.Qg3 f2 40.Qf2 Qf2 41.Kf2 Bg4 42.Nd3 Bf5 43.Nf4 a5 44.Ke2 b5 45.Kd2 Kg7 46.Kc3 c5 47.Kb3 Kf7 48.Kc3 Ke7 49.Kb3 Kd6 50.g6 Ke7 51.g7 Kf7 52.Nh5 0–1. Gugulski – Adamowski, corr 2. AMM PL 1992–94.

5.Nf3 0–0 6.d4 d6 7.Be2 a5 8.b5 b6 9.0–0 Bb7 10.a4 Nbd7 11.Nbd2 Ne4 12.Ne4 Be4 13.Nd2 Nf6 14.Ne4 fe4 15.Qc2 Qd7 16.c5 Rac8 17.Rac1 Kh8 18.h3 h5 19.f4 Nd5? 20.Qe4+– Nb4? 21.Qg6 Qf5 22.Bh5 Qg6 23.Bg6 dc5 24.Bc3?? Nd5 25.Bd2 cd4 26.ed4 Bd4 27.Kh1 Ne3 28.Rf3 Nf5 29.Rc6 Kg7 30.g4 Nd6 31.f5 Ne4?! 32.Bf4 Nd6 33.Rd3 Bf6 34.g5 Bb2 35.h4 Ba1? 36.h5 Nf5 37.h6 Kh8 38.Rd7 Ng7?? 39.hg7 Bg7 40.Be3 Rf3 41.Bg1 Be5 42.Kg2 Rf4 (42...Rf4 43.Bb6! Ra4 44.Re7 Bd6 45.Rh7 Kg8+–). nizinna – birdf4 (1755), kurnik, 2011.

5.Nf3 0–0 6.Be2 b6 7.0–0 Bb7 8.Nc3 e6 9.Qc2 Qe7 10.b5 d6 11.a4 Nbd7 12.d4 Ne4 13.Nd2 Nd2= 14.Qd2 Qg5 15.g3 h5 16.h4 Qe7 17.a5 Kh7 18.a6+/– Bc8 19.Bf3 Rb8 20.Rfe1 Nf6 21.e4 Ne4 22.Ne4 fe4 23.Be4 Qf6 24.Qe2 Qf7 25.Qh5+– Kg8 26.Qe2 Bd7 27.Ra3 d5 28.Rf3 Qe8 29.cd5 Rf3 30.Qf3 Bb5 31.de6 Ba6 32.Bd5 Rd8 33.e7 Rd5 34.Qd5 Kh7 35.Qd8 Bb5 36.Qc7 Bf6 37.Qa7 Kg8 38.Qb6 Qc6 39.e8Q Qe8 40.Re8 Be8 41.Qf6 (41.Qf6 Bf7 42.d5 Kf8 43.d6 g5 44.d7 gh4 45.d8Q) 1–0. xadrezpg (2290) – cyrilrussell (2350), net–chess.com, 2010.

5.Nf3 0–0 6.Be2 d6 7.0–0 e5 8.Qb3 h6 9.d4+= e4 10.Nh4 Kh7 11.g3 Nc6 12.Nd2 Ne7 13.f4 ef3 14.Bf3 d5 15.c5 c6 16.Ng2= Ne4 17.Be4 fe4=+ 18.Rf8 Bf8 19.Rf1 Bg7 20.Rf2 a5 21.a3 ab4 22.ab4 b6 23.Nf4 Nf5 24.Nf1 Qc7 25.Ne2 Ba6–/+ 26.Nd2 bc5–+ 27.dc5 Bb2 28.Qb2 Ne3 29.Nd4? Nd1 30.Ne6 Qd7 31.Qf6 Nf2 32.Kf2 e3! (33.Ke1 ed2 34.Kd2 Qb7–+) 0–1. Sayder,H – Lau,P, GER–ch qgC31 corr939, 1993.

5.Nf3 0–0 6.Be2 d6 7.0–0 e5 8.d4 e4 9.Nfd2 Be6 10.Nc3 c6 11.a4 d5 12.b5 Qd7 13.Ba3 Rf7 14.Qb3 h6 15.cd5 Nd5 16.Nd5 Bd5= 17.Bc4 Kh7 18.Rac1 f4 19.Ne4! Bc4 20.Qc4 f3 21.gf3 Rf3 22.Rfd1 h5?? 23.Qf1?? Qg4+/– 24.Ng3 h4 25.Qg2?? hg3–/+ 26.hg3 Rf5 27.bc6 Nc6 28.Bd6 Rh8 29.d5 Ne5 30.Be5 Be5 31.f4 Bg7 32.e4 Rf7 33.e5 Kg8 34.d6 Bf8 35.Rc7?? Rf5 36.Rdc1 Rfh5?? 37.d7 Rh1= 38.Kf2?? R1h2 39.d8Q Rg2 40.Kg2 Qe2 41.Kg1 Rh2 42.Qd5+– Kh8 43.R7c2 Qc2?? 44.Rc2+– Rc2 45.Qb7 Rc1 46.Kf2 Rc2 47.Kf3 Rc3 48.Kg4 Rc4 49.Kg5 Ra4 50.Kg6 Ra6 51.Qa6 Be7 52.Qc8 Bd8 53.Qd7 (53.Qd7 Be7 54.Qe8 Bf8 55.Qf8#; 53.Qd8#) 1–0. carocan – papezuvptak (1820), kurnik, 2011.

5.Nf3 d6 6.d4 0–0 7.Nbd2 e5 8.d5 Na6 9.Qb3 Kh8 10.g3 Qe8 11.Be2 f4 12.e4 Nh5 13.a3 Bd7 14.a4 h6 15.a5 g5 16.Kd1 Rc8 17.Ne1 c6 18.dc6 Bc6 19.b5 Nc5= 20.Qf3 fg3 21.Qh5+/– gf2 22.bc6 fe1Q 23.Ke1 Qc6? 24.h4+– Ne4 25.Ne4 Qe4 26.hg5 Rf5?? 27.Qh3+– Rc4 28.gh6 Bf6 29.Rc1 Rc6?? 30.Rc6 bc6 31.Kd1 Qb1 32.Bc1 Bg5 33.Qc3 Rf4 34.Bd3+/– Rd4 35.Ke2 Qa2 36.Qb2 Qe6?? 37.Qb8+– Qg8 38.Qg8 Kg8 39.Rg1 e4 40.Rg5 Kh7 41.Bc2 Rc4 42.Rg7 Kh8 43.Kd2 e3 44.Kd3 e2 45.Rg1 d5 46.Kd2 d4 47.Bd3 Ra4 48.h7 (48.h7 e1Q 49.Ke1 Ra5 50.Rg8#) 1–0. Biberger,Hans (2015) – Staudacher,Thomas (2080), Munich–ch VM2, 2006.

4.g3 Bg7

5.Bg2 0–0 6.e3 d5 7.cd5 Nd5 8.Bg7 Kg7 9.Qb3 =.

5.Bg2 0–0 6.e3 d6 7.Ne2 e5 8.d4 e4 9.0–0 d5 10.cd5 Nd5 11.Nbc3 Be6 12.Nd5 Bd5 13.Qc2 Nc6 14.a3 Ne7 15.Rfc1 c6 16.Nc3 g5 17.Nd5+= Nd5 18.Qb3 Qd7= 19.b5 Rae8 20.bc6+= bc6 21.Qc2 Rf6 22.Re1 Kh8 23.Rac1 Bh6 24.f4 ef3 25.Bf3 g4 26.Bd5 cd5 27.Qd3 Re4 28.Rc3 f4–/+ 29.gf4 Bf4 30.Qe2 g3 31.hg3 Bg3 32.Rec1?? Qf5 33.Rc8 Kg7 34.R8c7 Kg6 35.Qc2 Bf2 (36.Kh2 Qh5 37.Kg2 Qf3 38.Kh2 Qg3 39.Kh1 Qh3#) 0–1. Ostroverkhov – Eryomenko,Volodymyr (2150), UKR–ch sf U16, 2001.

5.Bg2 0–0 6.e3 Qe8 7.d4 d6 8.Ne2 e5 9.Nbc3 Qf7 10.Rc1 e4 11.Qd2 Nbd7 12.c5 a5 13.a3 ab4 14.ab4 dc5 15.bc5 Rd8 16.Qc2 b6 17.0–0 bc5–/+ 18.Rfd1 Ba6 19.Rd2 Bd3 20.Rd3 ed3 21.Qd3 Rab8 22.Ba1 Kh8 23.Qc2 cd4 24.Nd4 Ne5 25.Ncb5 c5! 26.Qc5 Nd3 27.Qc4 Qc4 28.Rc4 Rdc8 29.Rc8–/+ Rc8 30.Nc6 Ne4 31.Bg7 Kg7 32.Be4 fe4 33.Ncd4 Rc1 34.Kg2 Kf6 35.Nd6 Ke5 36.Nf7 Kd5 37.Ng5 Rc7 38.h4 Rb7 39.Ne2–/+ Rc7 40.g4?? h6 41.Nh3 Ke5 42.Kg3 Rf7 43.Nd4 Rf6 44.Kg2 Rb6 45.Kg3 Nb4 46.Nf4 Nd5 47.Nfe2 Ra6 48.Ng1 Ra3 49.Nc6 Kd6 50.Nd4 Kc5 51.Nge2 Ra6 52.Kg2 Kc4 53.Ng3 Kd3 54.Nb3 Rc6 55.Nd4 Rb6 56.h5 gh5 57.Nh5 Rg6 58.Kg3 Rg8 59.Ne6 Rc8 60.Nd4 Rc7 61.Ne6 Rc1 62.Kg2 Kd2 63.Ng3 Nf6 64.g5 hg5 65.Ng5 Rc4 66.Kf1 Ra4 67.Ne6 Rc4 ½–½. Danielsen,Henrik (2375) – Sahl,Bjarke (2375), DEN–chT, 1991.

5.Bg2 0–0 6.Nf3 d6 =.

5.Bg2 d6 6.Nf3 =.

3.d3 e6

4.a3 a5 5.b5 c6 6.c4 d5 7.Nd2 Be7 8.e4 fe4 9.de4 0–0 10.e5 Ne8 11.Ngf3 Nc7 12.a4 dc4 13.Bc4 Nd5 14.0–0 Qe8 15.g3 (15.Ba3!?+=) 15...Qf7 16.Kg2 c5 17.Bd3 b6 18.Be4 Bb7 19.Qe2 Nd7 20.Nc4 Qh5 21.h3 g5 22.Rae1 Rad8 23.Rh1 Ba8 24.h4?? (better is 24.Rd1!?+=) 24...Qg4 (24...Nf4!? 25.gf4 Be4 26.Qe4 Rf4–/+) 25.Kf1+= Rf4?? (better is 25...Nf4 26.Qc2 Nh5+=) 26.gf4+– Nf4 27.Ne3 Ne2 28.Ng4 Be4 29.Ke2 1–0. Skoeld,Kristian – Aurell,Bo, SWE–ch Karlskrona, 1963.

4.a3 c5 5.bc5 Bc5 6.d4 Be7 7.Nf3 Nc6 8.e3 0–0 9.c4 Ne4 10.Bd3 Qa5 11.Nbd2 Nd2 (11...d5 12.0–0=) 12.Nd2 Bf6 13.0–0 Qc7 14.Qh5 d6 15.Rab1 b6 16.Bc2 Ba6 17.Rfc1 Qf7 18.Qf7 Kf7 19.c5 bc5 20.dc5 dc5 21.Bf6 Kf6 22.Nb3 c4 23.Nc5 Bc8 (23...Nb8 24.Bd1 e5 25.Bf3=) 24.Ba4+= Ne7 25.Kf1 e5 26.Rd1 Kf7 27.Rbc1 Be6 (27...Rb8 28.Rc4 Rb6 29.Rb4+=) 28.Rd6 Bd5 29.Nd7 Be4 (better is 29...Rfc8!? 30.Ne5 Kf8+/–) 30.Nf8 Rf8 31.Rc4 Rb8 32.f3 Bb1? (better is 32...Rb1 33.Ke2 Rb2 34.Kd1 Nd5+–) 33.Rc7 e4 34.Rdd7 Bd3 35.Ke1 Re8 (35...Rb1 36.Bd1 Kf6 37.Re7+–) 36.Ra7 Kf6 37.Rd6 Ke5 38.Rd3 (38.Rd3 ed3 39.Be8+–) 1–0. marekt – Alekhine1962, ChessWorld.net, 2012.

3.d4 e6

4.a3 a5 5.b5 b6 6.c4 (6.e3 Bb7=) 6...Bd6 (6...Bb7 7.Nf3=) 7.Nf3 Bb7 (7...0–0 8.e3=) 8.e3 f4 (8...0–0 9.Bd3=) 9.ef4 (9.Bd3 0–0=) 9...Bf4 10.Be2 (10.Bd3 0–0=) 10...0–0 11.0–0 (11.Nc3 Qe7=) 11...Ne4 (11...Qe7 12.Bc1 Bc1 13.Qc1=) 12.Re1 (12.Qc2 Qf6=) 12...Qf6 (12...Ng5 13.Nbd2=) 13.Qd3 (13.Nc3 Nc3 14.Bc3 a4=) 13...Ng5 14.Ng5 Bg5 (14...Qg5 15.Qh3=) 15.Rf1 Bf4 16.Nc3 e5 (16...Qg5!? 17.Qh3 Qg6=) 17.Nd5+= Bd5 18.cd5 e4 (18...Qh4 19.h3 e4=) 19.Qc2 (19.Qe4!? Qh4 20.g3 Bg3 21.Qh4 Bh4 22.Rac1+=) 19...Re8 (19...Qh6 20.h3 Qg6 21.f3=) 20.Rae1= Bd6 (20...Qh4 21.h3 a4 22.Bg4+/–) 21.g3 (21.Qc3 Qh4 22.g3 Qf6=) 21...Ra7 (21...Qf7!?+=) 22.Bc4 Qg6 23.f3 e3 24.Qg6 hg6 25.Re2 ½–½. Woschkat,Karl_Heinz – Coche,Wilhelm, DESC, 1999.

4.a3 Be7 5.c4 b6 6.Nf3 Bb7 7.Nbd2 d6 8.g3 Nbd7 9.Bg2 Rf8 (9...0–0!?=) 10.0–0+= (10.0–0 Ne4 11.d5 ed5 12.Bg7+=). olutayo (2525) – sdeschone, net–chess.com, 2010. (=1.d4 f5 2.b4 Nf6 3.Bb2 e6)

4.a3 d5

5.Nc3 A) 5...a5 6.b5 Bd6 (6...Nbd7 7.e3 Bd6 8.Nf3 b6 9.Be2 0–0 10.h3 Ne4; 6...Be7 7.Nf3 0–0 8.e3 Nbd7 9.Bd3 Bd6 10.0–0 b6) 7.e3 Nbd7 8.Nf3 0–0 9.Bd3 b6 10.0–0 Ne4; B) 5...Be7 B1) 6.Nf3 a5 (6...0–0 7.e3 a5 8.b5 Nbd7 9.Bd3 Bd6 10.0–0 b6; 6...Nbd7 7.e3 0–0 8.Bd3 a5 9.b5 Bd6 10.0–0 b6) 7.b5 0–0 8.e3 Nbd7 9.Bd3 Bd6 10.0–0 b6; B2) 6.g3 a5 (6...0–0 7.Nf3 a5 8.b5 Nbd7 9.e3 c5 10.bc6 bc6; 6...Nbd7 7.Nf3 0–0 8.Bg2 Nb6 9.Ne5 Ng4 10.Ng4 fg4) 7.b5 0–0 8.Nf3 Nbd7 9.e3 c5 10.Be2 Ne4; B3) 6.e3 0–0 (6...Nbd7 7.Nf3 a5 8.b5 0–0 9.Bd3 Bd6 10.0–0 b6; 6...a5 7.b5 0–0 8.Nf3 Nbd7 9.Bd3 Bd6 10.0–0 b6) 7.Nf3 a5 8.b5 Nbd7 9.Bd3 Bd6 10.0–0 b6; C) 5...Nc6 C1) 6.g3 Bd7 (6...Bd6 7.Nf3 Bd7 8.Bg2 0–0 9.0–0 a6 10.Qd3 Qe8; 6...a6 7.Bg2 Bd6 8.Nf3 0–0 9.0–0 Bd7 10.Qd3 Qe8) 7.Nf3 Bd6 8.Bg2 0–0 9.0–0 a6 10.Qd3 Qe8; C2) 6.e3 Bd6 (6...Bd7 7.Nf3 Bd6 8.Be2 0–0 9.b5 Ne7 10.Ne5 Ng6; 6...a6 7.Nh3 Bd6 8.Be2 e5 9.0–0 0–0 10.de5 Be5) 7.Bd3 Bd7 8.Nf3 0–0 9.0–0 a6 10.Ne2 Qe8; C3) 6.Nf3 Bd6 (6...Bd7 7.g3 Bd6 8.Bg2 0–0 9.0–0 Qe8 10.Qd3 Qh5; 6...a6 7.g3 Bd6 8.Bg2 Bd7 9.0–0 0–0 10.Qd3 Qe8) 7.g3 0–0 8.Bg2 Qe8 9.0–0 Bd7 10.Qd3 Qh5; D) 5...Bd7 D1) 6.g3 Nc6 (6...Bd6 7.Nf3 Nc6 8.Bg2 0–0 9.0–0 Qe8 10.Qd3 a6; 6...a6 7.Nh3 Bd6 8.Bg2 0–0 9.0–0 Nc6 10.e3 Ne4) 7.Nf3 Bd6 8.Bg2 0–0 9.0–0 Qe8 10.Qd3 a6; D2) 6.e3 Nc6 (6...Bd6 7.Nf3 Nc6 8.Bd3 a6 9.0–0 0–0 10.Ne2 Qe8; 6...a6 7.Nf3 Nc6 8.Bd3 Bd6 9.0–0 Ne4 10.Ne5 Ne5) 7.Nf3 Bd6 8.Bd3 0–0 9.0–0 Qe7 10.Nb5 Ne4; D3) 6.Qd3 Bd6 (6...a5 7.b5 Bd6 8.Nf3 0–0 9.e3 Ne4 10.Be2 c6; 6...Nc6 7.Nf3 Bd6 8.g3 0–0 9.Bg2 a6 10.Bc1 Ne4) 7.g3 0–0 8.Nf3 Nc6 9.Bg2 Qe8 10.0–0 a6; D4) 6.Nf3 Bd6 (6...Nc6 7.g3 Bd6 8.Bg2 0–0 9.0–0 Qe8 10.Qd3 a6; 6...a6 7.g3 Nc6 8.Bg2 Bd6 9.0–0 0–0 10.Qd3 Qe8) 7.g3 0–0 8.Bg2 Nc6 9.0–0 Qe8 10.Qd3 a6; E) 5...Bd6 E1) 6.e3 a5 (6...Nbd7 7.Nf3 0–0 8.Bd3 Ne4 9.Qe2 a5 10.b5 Rf6; 6...0–0 7.Nf3 Nbd7 8.Be2 a5 9.0–0 Ne4 10.Qd3 b6) 7.b5 Nbd7 8.Nf3 0–0 9.Be2 b6 10.0–0 Bb7; E2) 6.Nf3 0–0 (6...a5 7.b5 0–0 8.e3 Nbd7 9.Be2 b6 10.0–0 Bb7; 6...Nbd7 7.e3 0–0 8.Bd3 Ne4 9.0–0 a5 10.Nb5 Be7) 7.e3 Nbd7 8.Bd3 a5 9.0–0 Ne4 10.b5 Qe8.

5.Nd2 A) 5...a5 A1) 6.c3 Bd7 (6...Bd6 7.Ngf3 ab4 8.ab4 Ra1 9.Qa1 0–0 10.e3 Nbd7; 6...ab4 7.ab4 Ra1 8.Qa1 Bd6 9.e3 Nbd7 10.Ngf3 0–0) 7.Ngf3 Bd6 8.e3 0–0 9.Bd3 Qe8 10.0–0 Ba4; A2) 6.b5 Bd6 (6...c6 7.e3 cb5 8.Bb5 Bd7 9.Bd3 Be7 10.Ngf3 Qb6; 6...b6 7.Ngf3 Bd6 8.e3 0–0 9.Bd3 Nbd7 10.0–0 Bb7) 7.c4 0–0 8.c5 Be7 9.Ngf3 Ne4 10.e3 Nd7; B) 5...Bd6 B1) 6.e3 a5 (6...0–0 7.Ngf3 a5 8.c4 dc4 9.b5 c3 10.Bc3 Nd5) 7.Ngf3 ab4 8.ab4 Ra1 9.Qa1 Bb4 10.Qa4 Nc6; B2) 6.g3 a5 (6...0–0 7.Ngf3 a5 8.c3 Bd7 9.Bg2 Qe7 10.0–0 ab4; 6...Bd7 7.Ngf3 0–0 8.Bg2 a5 9.0–0 ab4 10.ab4 Ra1) 7.Ngf3 0–0 8.c3 Nc6 9.Bg2 Qe8 10.0–0 Bd7; B3) 6.c4 0–0 (6...Bd7 7.c5 Be7 8.Ngf3 0–0 9.e3 a6 10.Bd3 Bb5; 6...b6 7.Ngf3 0–0 8.e3 a5 9.c5 Be7 10.Bd3 Qe8) 7.Ngf3 Nc6 8.c5 Be7 9.e3 b6 10.Bd3 bc5; B4) 6.Ngf3 0–0 7.e3 a5 8.c4 dc4 9.b5 c3 10.Bc3 Nd5; C) 5...Bd7 C1) 6.Ngf3 a5 7.Ne5 ab4 8.ab4 Ra1 9.Qa1 Bb4 10.Qa7 Nc6; C2) 6.g3 a5 (6...Bd6 7.Ngf3 a5 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Nc6; 6...Nc6 7.Ngf3 Be7 8.Bg2 0–0 9.0–0 b5 10.c3 a5) 7.c3 Bd6 8.Bg2 Nc6 9.Ngf3 0–0 10.0–0 ab4; C3) 6.e3 a5 (6...Bd6 7.Ngf3 0–0 8.c4 f4 9.ef4 Bf4 10.g3 Bd2; 6...Nc6 7.Ngf3 Be7 8.Bd3 0–0 9.0–0 Qe8 10.c4 Ne4) 7.b5 c6 8.c4 cb5 9.cb5 Bd6 10.Ngf3 0–0; D) 5...Nbd7 D1) 6.e3 a5 (6...Bd6 7.c4 0–0 8.c5 Be7 9.Ngf3 Ne4 10.Bd3 Ndf6; 6...Nb6 7.Ngf3 Bd7 8.Ne5 Na4 9.Qb1 a5 10.b5 Ng4) 7.ba5 Bd6 8.Ngf3 0–0 9.Bd3 c5 10.c4 Qa5; D2) 6.c4 Be7 (6...dc4 7.Nc4 Be7 8.Nf3 0–0 9.e3 Nb6 10.Bd3 Nc4) 7.Ngf3 0–0 8.e3 a5 9.b5 Ne4 10.Bd3 Ndf6; D3) 6.Ngf3 Be7 (6...a5 7.ba5 Ra5 8.e3 Bd6 9.Bd3 0–0 10.c4 Ne4; 6...Nb6 7.e3 Bd7 8.Ne5 Na4 9.Qc1 Bd6 10.Be2 0–0) 7.e3 0–0 8.Bd3 Nb6 9.0–0 Na4 10.Qc1 a5; E) 5...Be7 E1) 6.Ngf3 0–0 (6...Nbd7 7.e3 Nb6 8.Be2 0–0 9.0–0 Na4 10.Qb1 Bd7; 6...Bd7 7.e3 0–0 8.Bd3 a5 9.c3 Bd6 10.0–0 Nc6) 7.e3 Nbd7 8.Bd3 Nb6 9.0–0 Na4 10.Qc1 Ne4; E2) 6.g3 0–0 (6...a5 7.c3 0–0 8.Ngf3 Qd6 9.Bg2 Bd7 10.0–0 ab4; 6...Nbd7 7.Ngf3 Nb6 8.Bg2 Na4 9.Qc1 0–0 10.0–0 Bd7) 7.Ngf3 Nbd7 8.Bg2 Nb6 9.0–0 Na4 10.Qb1 a5; E3) 6.c4 a5 (6...0–0 7.Ngf3 a5 8.b5 dc4 9.e3 c3 10.Bc3 Nd5) 7.b5 dc4 8.Ngf3 0–0 9.e3 c3 10.Bc3 Nd5; E4) 6.e3 Nbd7 (6...a5 7.b5 0–0 8.Ngf3 c5 9.c4 Qc7 10.Bd3 Nbd7; 6...0–0 7.Ngf3 Nbd7 8.Bd3 Nb6 9.0–0 Na4 10.Qc1 Bd7) 7.Ngf3 Nb6 8.Bd3 Na4 9.Qc1 0–0 10.0–0 a5.

5.Nf3 a5 A) 6.c3 Bd6 (6...Bd7 7.Nbd2 Bd6 8.g3 0–0 9.Bg2 Qe8 10.0–0 Ba4; 6...ab4 7.cb4 Bd6 8.Nc3 0–0 9.e3 Nbd7 10.Bd3 Nb6) 7.g3 0–0 8.Nbd2 Bd7 9.Bg2 Qe8 10.0–0 Ba4; B) 6.b5 Nbd7 (6...Be7 7.Nc3 0–0 8.e3 Nbd7 9.Bd3 Ne4 10.0–0 Bd6; 6...Bd6 7.c4 0–0 8.Nc3 Ne4 9.c5 Be7 10.e3 Nd7) 7.e3 Bd6 8.c4 c5 9.Nc3 0–0 10.cd5 Nd5.

5.Nf3 b6 6.c4= (6.Nc3 Bd6 (6...a5 7.g3 Bd6 8.Bg2 0–0 9.0–0 ab4 10.ab4 Ra1; 6...Nbd7 7.e3 Bd6 8.Bd3 0–0 9.0–0 Bb7 10.Nb5 Ne4) 7.g3 0–0 8.Bg2 Nbd7 9.0–0 c6 10.Qd3 Bb7; 6.g3 Bd6 (6...Nbd7 7.Ng5 Ke7 8.Nc3 h6 9.Nf3 Kf7 10.Bg2 a5; 6...a5 7.Nc3 Bd6 8.Bg2 0–0 9.0–0 ab4 10.ab4 Ra1) 7.Nc3 Nbd7 8.Ng5 Qe7 9.Bg2 0–0 10.0–0 c6; 6.e3 Bd6 (6...a5 7.Nc3 Bd6 8.Bd3 0–0 9.0–0 ab4 10.ab4 Ra1; 6...Bb7 7.Bd3 Be7 8.0–0 0–0 9.c4 a5 10.b5 Ne4) 7.Nc3 0–0 8.Bd3 Bb7 9.0–0 Ne4 10.Ne5 Nc6) 6...c6 (6...Bd6 7.Nc3 0–0 8.e3 Bb7 9.Bd3 Ne4 10.c5 Be7; 6...Be7 7.Qa4 Bd7 8.b5 0–0 9.Nc3 c6 10.e3 a6) 7.cd5 (7.e3 a5 8.cd5 ed5 9.b5 Bd6 10.Nc3 0–0) 7...cd5 8.Nc3 Nc6 (8...Be7 9.e3 0–0 10.Bd3 a5) 9.e3 (9.Rc1 Bb7 10.g3 Bd6) 9...Bb7 (9...Bd6 10.Bd3 0–0) 10.Bd3 Be7 (10...Bd6=) 11.0–0 0–0 12.Rc1 Nd7 (better is 12...Rc8!?=) 13.Ne2+/– Kh8? (better is 13...Bf6!?+/–) 14.Nf4+– Rg8? (14...Rf6 15.Qa4 Rc8+–) 15.Ne6 Qe8 16.Bf5 Nf6 (16...Rc8 17.Qd3 g6 18.Bh3+–) 17.Ne5 Qh5 (17...g6 18.Nc7 Qb8 19.Na8 gf5 20.Nb6 ab6 21.Nc6 Qe8 22.Ne7 Qe7+–) 18.Qh5 (18.Qh5 Ne5 19.Qh4+–) 1–0. jenny – terbal, internet, 2011.

5.Nf3 Nc6 A) 6.Nc3 Bd6 (6...Bd7 7.g3 Bd6 8.Bg2 0–0 9.Qd3 Qe8 10.0–0 Qh5; 6...a6 7.g3 Bd6 8.Bg2 0–0 9.0–0 Qe8 10.Bc1 Bd7) 7.g3 e5 8.de5 Ne5 9.e3 c6 10.Be2 0–0; B) 6.e3 Bd6 (6...Bd7 7.c4 Be7 8.Nc3 0–0 9.Be2 Be8 10.0–0 a6; 6...a6 7.c4 Be7 8.Nc3 0–0 9.Bd3 b6 10.0–0 Bb7) 7.c4 0–0 8.c5 Be7 9.Nc3 Bd7 10.Bd3 Ne4; C) 6.Nbd2 Bd6 (6...a6 7.e3 Be7 8.Bd3 0–0 9.0–0 Bd7 10.c4 Qe8; 6...Be7 7.e3 0–0 8.Bd3 Bd7 9.0–0 Ne4 10.c4 Qe8) 7.c4 dc4 8.Nc4 0–0 9.e3 a5 10.b5 Ne7; D) 6.g3 Ne4 (6...Bd6 7.Bg2 0–0 8.0–0 Bd7 9.Nc3 Qe8 10.Qd3 Qh5; 6...Bd7 7.Bg2 Bd6 8.Qd3 0–0 9.0–0 Ne4 10.Nbd2 a6) 7.Nc3 Bd6 8.Bg2 0–0 9.0–0 Bd7 10.Qd3 Qf6.

5.Nf3 Bd6 A) 6.Nc3 0–0 (6...a5 7.b5 0–0 8.e3 Nbd7 9.Bd3 Qe7 10.0–0 Ne4; 6...Nbd7 7.e3 0–0 8.Bd3 a5 9.b5 Ne4 10.0–0 Qf6) 7.e3 a5 8.b5 Nbd7 9.Be2 b6 10.0–0 Bb7; B) 6.Nbd2 0–0 7.g3 a5 8.c3 Nc6 9.Bg2 ab4 10.ab4 Ra1; C) 6.g3 a5 (6...0–0 7.Nbd2 a5 8.c3 Bd7 9.Bg2 Qe8 10.0–0 Qh5; 6...Nbd7 7.Nbd2 Nb6 8.Bg2 Na4 9.Qc1 a5 10.0–0 ab4) 7.c3 ab4 8.cb4 Nbd7 9.Bg2 0–0 10.0–0 Nb6; D) 6.e3= 0–0 (6...a5 7.b5 0–0 8.c4 Ne4 9.Nc3 Nd7 10.c5 Be7; 6...Ne4 7.c4 0–0 8.c5 Be7 9.Bd3 b6 10.0–0 Bf6) 7.c4 Ne4 8.c5 Be7 9.Nc3 Nc6 10.Bd3 b6.

5.Nf3 Nbd7 6.Nbd2 (6.e3 a5 7.b5 Bd6 8.c4 c5 9.cd5 ed5 10.Nc3 c4) 6...Nb6 (6...Be7 7.e3 Nb6 8.Bd3 Na4 9.Qc1 Bd7 10.0–0 0–0; 6...a5 7.ba5 Ra5 8.e3 Nb6 9.Nb3 Ra8 10.Ne5 Bd6) 7.e3 Bd7 8.Ne5 Na4 9.Qb1 a5 10.c3 Bd6.

5.Nf3 Be7 A) 6.e3 a5 (6...0–0 7.Nc3 Nbd7 8.Bd3 a5 9.b5 Bd6 10.0–0 Qe7; 6...Nbd7 7.Bd3 0–0 8.0–0 Ne4 9.Nbd2 a5 10.b5 Ndf6) 7.b5 0–0 8.Bd3 c5 9.c4 Nbd7 10.Nbd2 Ne4; B) 6.Nbd2 0–0 (6...a5 7.b5 Nbd7 8.e3 0–0 9.Bd3 Ne4 10.0–0 Ndf6; 6...Nbd7 7.e3 0–0 8.Bd3 Nb6 9.0–0 Na4 10.Qc1 a5) 7.e3 a5 8.b5 c6 9.c4 Ne4 10.Rc1 Nd7; C) 6.Nc3 a5 (6...0–0 7.e3 Nbd7 8.Bd3 a5 9.b5 Ne4 10.0–0 Bd6; 6...Nbd7 7.e3 0–0 8.Bd3 a5 9.b5 Ne4 10.0–0 Bd6) 7.b5 Nbd7 8.e3 0–0 9.Be2 Bd6 10.0–0 b6.

5.g3 A) 5...Be7 A1) 6.Nc3 Nbd7 (6...0–0 7.Nf3 Nbd7 8.e3 a5 9.b5 c5 10.Be2 Ne4; 6...a5 7.b5 0–0 8.Nf3 Nbd7 9.e3 c5 10.bc6 bc6) 7.Nf3 0–0 8.Bg2 Nb6 9.0–0 Nc4 10.Bc1 a5; A2) 6.Bg2 a5 (6...0–0 7.Nf3 Nbd7 8.Nbd2 Nb6 9.0–0 Na4 10.Qc1 a5; 6...Nbd7 7.Nf3 Nb6 8.0–0 a5 9.ba5 Na4 10.Bc3 0–0) 7.b5 Nbd7 8.Nd2 0–0 9.Ngf3 Nb6 10.a4 Bd7; A3) 6.Nd2 0–0 (6...Nbd7 7.Ngf3 Nb6 8.Bg2 Na4 9.Qc1 0–0 10.0–0 a5; 6...a5 7.c3 0–0 8.Ngf3 Qd6 9.Bg2 b6 10.0–0 Nbd7) 7.Ngf3 Nbd7 8.Bg2 Nb6 9.0–0 Na4 10.Qc1 a5; A4) 6.Nf3 0–0 (6...Nbd7 7.Bg2 0–0 8.Nbd2 Nb6 9.0–0 Na4 10.Qc1 Bd7; 6...a5 7.c3 Nbd7 8.Nbd2 0–0 9.Bg2 Nb6 10.0–0 Bd7) 7.Nbd2 Nbd7 8.Bg2 Nb6 9.0–0 Na4 10.Qc1 Bd7; B) 5...a5 6.b5 Nbd7 (6...Bd6 7.Nf3 0–0 8.Bg2 Nbd7 9.Nbd2 Nb6 10.a4 Ne4) 7.Nf3 Nb6 8.e3 Bd6 9.Nc3 0–0 10.Be2 Ne4; C) 5...Bd6 C1) 6.Nc3 a5 (6...0–0 7.Nf3 Nbd7 8.e3 a5 9.b5 c5 10.Be2 Ne4; 6...Nbd7 7.Nf3 0–0 8.e3 a5 9.b5 c5 10.Be2 Ne4) 7.Nf3 0–0 8.Bg2 ab4 9.ab4 Ra1 10.Qa1 Bb4; C2) 6.Nd2 0–0 (6...a5 7.Ngf3 ab4 8.ab4 Ra1 9.Qa1 Bb4 10.c3 Bd6; 6...Bd7 7.Bg2 0–0 8.Ngf3 a5 9.0–0 ab4 10.ab4 Ra1) 7.Ngf3 a5 8.c3 Nc6 9.Bg2 ab4 10.ab4 Ra1; C3) 6.Bg2 0–0 (6...a5 7.c3 ab4 8.cb4 Nbd7 9.Nf3 Nb6 10.Nbd2 Na4; 6...Nbd7 7.Nd2 a5 8.c4 ab4 9.c5 Be7 10.ab4 Ra1) 7.Nf3 a5 8.b5 Nbd7 9.Nbd2 Nb6 10.a4 Ne4; C4) 6.Nf3 0–0 (6...a5 7.b5 Nbd7 8.Nbd2 0–0 9.Bg2 Nb6 10.a4 Ne4; 6...Nbd7 7.Bg2 a5 8.Nc3 0–0 9.0–0 Nb6 10.Nb5 Bd7) 7.Bg2 a5 8.b5 Nbd7 9.Nbd2 Nb6 10.a4 Ne4; D) 5...c6 D1) 6.Bg2 a5 (6...Nbd7 7.c3 Bd6 8.Nf3 0–0 9.Nbd2 e5 10.de5 Ne5; 6...Bd6 7.Nd2 a5 8.c4 ab4 9.c5 Bc7 10.ab4 Ra1) 7.c3 Bd6 8.Nf3 ab4 9.cb4 Nbd7 10.0–0 0–0; D2) 6.Nf3 a5 (6...Be7 7.Nbd2 a5 8.c3 0–0 9.Bg2 Qd6 10.0–0 Nbd7; 6...Nbd7 7.Nbd2 a5 8.c3 Bd6 9.Bg2 0–0 10.0–0 Ne4) 7.c3 ab4 8.cb4 Bd6 9.e3 Nbd7 10.Bd3 0–0; D3) 6.Nd2 a5 (6...Nbd7 7.Ngf3 a5 8.c3 Bd6 9.Bg2 0–0 10.0–0 Ne4; 6...Bd6 7.c4 0–0 8.Ngf3 Nbd7 9.Bg2 Ne4 10.0–0 Nd2) 7.c3 Bd6 8.Ngf3 Nbd7 9.Bg2 0–0 10.0–0 Ne4; D4) 6.Nc3 a5 (6...Bd6 7.Nf3 Nbd7 8.Bg2 Nb6 9.0–0 Nc4 10.Bc1 0–0; 6...Bd7 7.Nf3 a5 8.ba5 Bd6 9.Bg2 0–0 10.0–0 Qa5) 7.b5 Bd7 8.e3 Bd6 9.Nf3 0–0 10.Qd3 Ne4; E) 5...Nbd7 E1) 6.Nd2 Nb6 (6...a5 7.c3 Ne4 8.Bg2 ab4 9.cb4 Bd6 10.Ngf3 0–0; 6...Bd6 7.Ngf3 Nb6 8.Bg2 Na4 9.Qc1 0–0 10.c4 Qe8) 7.Ngf3 Na4 8.Qc1 a5 9.c3 Bd6 10.Bg2 Qe7; E2) 6.Nc3 a5 (6...Nb6 7.e3 Be7 8.Nf3 0–0 9.Bd3 Ne4 10.0–0 a5) 7.ba5 Bd6 8.Nf3 0–0 9.Bh3 Ra5 10.0–0 Nb6; E3) 6.c3 Bd6 (6...Nb6 7.Nd2 Bd6 8.Bg2 Bd7 9.Ngf3 Na4 10.Qc2 0–0; 6...Be7 7.Nf3 Nb6 8.Nbd2 Bd7 9.Bg2 0–0 10.0–0 Ba4) 7.Nf3 0–0 8.Bg2 Nb6 9.Nbd2 Bd7 10.0–0 Na4; E4) 6.Nf3 Nb6 (6...a5 7.c3 ab4 8.cb4 Bd6 9.Bg2 Nb6 10.Qc2 0–0) 7.Nbd2 Na4 8.Qc1 a5 9.c3 Be7 10.Bg2 0–0.

5.Nh3 A) 5...Bd7 A1) 6.e3 Bd6 (6...a5 7.b5 Bd6 8.c4 0–0 9.Nc3 b6 10.cd5 Nd5; 6...Nc6 7.Be2 Bd6 8.0–0 a5 9.b5 Ne7 10.Nc3 Ng6) 7.Be2 0–0 8.Nf4 a5 9.b5 c6 10.Nc3 g5; A2) 6.Nc3 Bd6 (6...Nc6 7.e3 Bd6 8.Be2 a5 9.b5 Ne7 10.0–0 Ng6; 6...a5 7.b5 Bd6 8.e3 0–0 9.Nf4 c6 10.Be2 g5) 7.e3 Nc6 8.Be2 a5 9.b5 Ne7 10.0–0 Ng6; A3) 6.Nd2 a5 7.b5 Bb5 8.c4 Bc4 9.Nc4 dc4 10.Qa4 Nc6; A4) 6.Nf4 Bd6 (6...Nc6 7.e3 Bd6 8.Be2 a5 9.b5 Ne7 10.Nc3 Ng6) 7.e3 0–0 8.Be2 Nc6 9.0–0 a5 10.b5 Ne7; B) 5...Nc6 B1) 6.g3 Bd6 (6...Ng4 7.Bg2 Bd6 8.0–0 h5 9.Nc3 a6 10.Bc1 h4; 6...Bd7 7.Nc3 Bd6 8.Bg2 0–0 9.0–0 Ne7 10.Qd3 Qe8) 7.Bg2 0–0 8.Nc3 Ne4 9.0–0 Bd7 10.Ne4 de4; B2) 6.Nc3 Bd6 7.g3 e5 8.Bg2 ed4 9.Nb5 0–0 10.0–0 Re8; B3) 6.e3 Bd6 (6...Ng4 7.Nf4 Bd6 8.h3 Nf6 9.Be2 0–0 10.0–0 a5; 6...Bd7 7.Nc3 Bd6 8.Be2 a5 9.b5 Ne7 10.0–0 Ng6) 7.Nc3 0–0 8.Be2 e5 9.0–0 ed4 10.ed4 a5; B4) 6.Nd2 Ng4 (6...Be7 7.g3 0–0 8.Bg2 b5 9.Nf4 a5 10.c3 ab4) 7.b5 Na5 8.e4 de4 9.Ne4 Be7 10.Ng3 0–0; C) 5...Ng4 6.Nf4 Bd6 (6...a5 7.h3 Nf6 8.b5 c5 9.g3 Qb6 10.e3 Bd6; 6...Nc6 7.e3 Bd6 8.h3 Nf6 9.Be2 0–0 10.0–0 a5) 7.e3 0–0 8.h3 Nf6 9.Be2 a5 10.b5 Bf4; D) 5...Bd6 D1) 6.Nd2 0–0 (6...Bd7 7.c4 0–0 8.c5 Be7 9.e3 a5 10.b5 c6; 6...Nc6 7.c4 dc4 8.Nc4 0–0 9.g3 a5 10.b5 Ne7) 7.c4 Bd7 8.c5 Be7 9.e3 b6 10.Nf4 a5; D2) 6.Nc3 0–0 (6...Nc6 7.e3 0–0 8.Be2 Ne4 9.g3 a5 10.b5 Ne7) 7.e3 e5 8.Be2 Nc6 9.0–0 ed4 10.ed4 a5; D3) 6.g3 0–0 (6...a5 7.b5 0–0 8.Bg2 Bd7 9.Nc3 c6 10.a4 cb5; 6...Nbd7 7.Nd2 Nb6 8.Bg2 Na4 9.Qc1 a5 10.0–0 0–0) 7.Nc3 a5 8.b5 Nbd7 9.e3 c5 10.bc6 bc6; D4) 6.e3 0–0 (6...a5 7.b5 0–0 8.Nf4 Qe7 9.Nc3 c5 10.dc5 Bc5) 7.Nf4 Bd7 8.Nc3 Nc6 9.Qd2 Ne4 10.Ne4 fe4.

3.e3 b6

4.c4 Bb7 5.Nf3 Nc6 6.b5 Na5 7.Bc3 e6 8.Ba5 ba5 9.d4 Bb4 10.Nbd2 0–0 11.Bd3 f4 12.0–0 fe3 13.fe3 Bd2 14.Qd2+/– c6 15.a4 cb5 16.ab5 a6 17.Ra5 ab5 18.Rb5 Bc6 19.Rbb1 Ra3 20.Ne5 Qc7 21.Qb4 Rfa8? 22.Rb3 Rb3+/– 23.Qb3 Rb8 24.Qa3 Rf8 25.Qe7+– Qd8 26.Nc6 dc6 27.Qe6 Kh8 28.Qc6 Qe7 29.Qf3 Re8 30.Re1 Qa3 31.Bb1 Qc3 32.c5?? Qe1–+ 33.Qf1 Qe3 34.Kh1 Qd4 (34...Qd4 35.h3 Qb4–+) 0–1. carocan (1755) – bebi52 (1850), kurnik, 2011.

4.c4 Bb7 5.Nf3 d6 6.d4 Nbd7 7.b5 g6 8.Nbd2 Bg7 9.Bd3 0–0 10.0–0 e5+= 11.de5 de5 12.Ne5?? Ne5–+ 13.Be5 Qd3 14.Nf3 Qc4 15.Rc1 Qb5 16.Rc7 Bf3 17.Qf3 Qe5 18.Rd1 Rad8 19.Rd8 Rd8 (19...Rd8 20.Rc1 Ng4–+) 0–1. carocan (1785) – alniro (1680), kurnik, 2011.

4.Be2 Bb7 5.Bf3 d5 6.Bf6 ef6 7.a3 Nd7 8.d4 Rb8 9.g3 Bd6 10.Ne2 0–0 11.0–0 Re8 12.Nbc3 c6 13.b5 cb5 14.Bd5 Bd5 15.Nd5 Nf8 16.Ndf4 Bf4 17.Nf4 Rc8 18.Qd3 g6 19.Qb5+/– Rc2?? 20.Rfc1 Rc7?? 21.Rc7+– Qc7 22.Qe8 (22.Qe8 Qc3 23.Rf1+–) 1–0. ludice (1730) – profix (1655), kurnik, 2011.

4.Nf3 Bb7 5.Be2 e6 6.0–0 h5 7.a3+/– Rg8 8.Ne5 g5? 9.Bh5+– Ke7 10.Ng6 Rg6 11.Bg6 Bg7 12.d3 Qh8 13.h3?? Qh6= 14.Bf5 ef5 15.Nd2 Nc6 16.e4 fe4 17.Ne4 Rh8 18.Re1 Ne4 19.Bg7 Qg7 20.Re4 Kd8 21.Re3 Ne5 22.Qe1 d6 23.Rd1 g4–/+ 24.c4?? gh3–+ 25.g3 Nf3 26.Rf3 Bf3 27.Kh2–+ Re8 28.Qd2 Qe5 29.Rg1 Qe2 30.Qg5 Kc8 31.Qf5 Kb8 32.Qf6 Qf2 (32...Qf2 33.Kh3 Bg2 34.Rg2 Qf6 35.Re2 Qf5 36.g4 Qf3 37.Kh4 Rh8 38.Kg5 Rg8 39.Kh6 Qh3) 0–1. ejdrzej (1775) – rohu (1640), kurnik, 2011.

4.Nf3 Bb7 5.Be2 e6 6.a3 Be7 7.0–0 0–0 8.c4 c5 9.b5 d6 10.d4 Ne4 11.Nbd2 Nd7 12.a4 Qe8 13.a5 Rc8 14.ab6 ab6 15.Ra7 Ba8 16.h3 h6 17.Nh2 Rb8 (17...Bf6 18.Ne4 Be4 19.f3+=) 18.Bf3 (18.Ne4!? Be4 19.d5+–) 18...Ndf6 19.Kh1 Kh8 20.Ne4 Ne4 21.Qe2 Rb7 22.Rb7 (22.Ra6 Rb8+=) 22...Bb7= 23.Be4 Be4 24.f3 Bb7 25.e4 Bd8 26.dc5 dc5 (worse is 26...bc5 27.Qd2 Qe7 28.Qh6 Kg8 29.Qg6+/–) 27.Qd2 Bc7?? (better is 27...Kg8=) 28.Qh6 Kg8 29.Qg7 1–0. Tracey,Michael – Rostov,Marat, Doeberl Cup Minor, 2009.

3.e3 Nc6

4.a3 e5 5.b5 Na5 6.Be5 Bc5 7.Nf3 d6 8.Bb2 Be6 9.d4 Bb6 10.Nbd2 0–0 11.Bd3 c5 12.c3 Rc8 13.c4 cd4 14.Nd4 Re8?? 15.Ne6+– Re6 16.Bf5 Qe8 17.Be6 (17.Be6 Qe6 18.Bf6 gf6 19.0–0+–) 1–0. Fournier,Frederic – presi2000 (1635), Owl21.com, 2008.

4.a3 e5 5.b5 Na5 6.Be5 Be7 7.Qf3 0–0 8.Bc3 b6?? 9.Qa8+– Ne4 10.Ba5 ba5 11.Qa7 Bh4 12.Bc4 Kh8 13.g3 Qf6 14.c3 Qd6 15.Qd4 Qh6 16.Ne2 Bf6 17.Qd5 Qh3 18.Rg1 Qh2 19.Rf1 Bg5 20.d3 Nd6 21.Rh1 (21...Bb7 22.Rh2 Bd5 23.Bd5 Nb5 24.c4+–) 1–0. slavisa10 – batak6, Live Game Caissa's Web, 2004.

3.e3 d5

4.a3 b5 5.Bb5+/– Bd7 6.Bd7 Nbd7 7.Nf3 e5 8.Ne5+– Ne5 9.Be5 Ng4 10.Bb2 Bd6 11.h3 Nf2? 12.Kf2 Qh4 13.Kg1 0–0 14.Qf3 f4 15.e4 de4 16.Qe4 Rae8 17.Qc4 Kh8 18.Nc3 f3 19.Qh4 fg2 20.Kg2 Re6 21.Rhf1 Rg6 22.Kh1 Re8 23.Rae1 Rg8 1–0. futsalboy (1685) – bestia109 (1870), kurnik, 2011.

4.a3 c6 5.Nf3 Nbd7 6.d4 e6 7.Bd3 Bd6 8.Nbd2 Qc7 9.c4+= b6 10.c5 bc5 11.dc5 Be7+= 12.0–0 e5 13.Ng5 Nf8 14.Be2 Ng6= 15.Ngf3 0–0 16.Qc2 Be6 17.a4 a6 18.Ng5 Bd7 19.Ngf3 Be6 20.Ng5 Bd7 21.Ngf3 h6 22.h3 Be6 23.Rfd1 Nd7 24.Nh2 Nh4 25.g3 Ng6 26.Rf1 Nh8 27.Ndf3 Nf7 28.Rfd1 g5 29.Nf1 Rfb8 30.h4 Rb7 31.Kg2 Rab8 32.N1h2 Rb4 33.Bc3 R4b7 34.Rdb1?? Bc5 35.Rb7 Rb7 36.Rb1? Rb1–+ 37.Qb1 a5 38.hg5 hg5 39.Nd2 g4 40.Nb3 Bb4 41.Bb4 ab4 42.a5 c5 43.a6 c4 44.Nd2 Qa7 45.Qa1? Nc5 46.Qa5 Nd8 47.Qb4?? Bc8 48.Ndf1 Ba6 49.Ng4? fg4 50.Bg4 Qb7 51.Qc5–/+ Qc6 52.Qe7 Nf7 53.Be6 d4 54.Kg1 Bb7?? 55.Qf7 Kh8 56.Qg8# 1–0. jones662 – monkeymatches, Live Game Caissa's Web, 2004.

4.a3 c6 5.Bf6 ef6 6.d4 Bd6 7.c4 dc4 8.Bc4 Qe7 9.Nf3 Be6 10.Be6 Qe6 11.0–0 0–0 12.Nbd2 1–0. ludice (1685) – botvinnikk, kurnik, 2011.

4.a3 Ne4 =.

4.a3 e6 5.c4 dc4 6.Bc4 Nc6 7.Nf3 Nd5 8.0–0 Bd7 9.Nc3 Nc3 10.Bc3 Qe7 11.Qb3 Nd8 12.Nd4 e5 13.Ne2 Nc6 14.Rfe1 a6 15.a4 Nb4= 16.Rab1 a5 17.d4 ed4 18.ed4 0–0–0 19.Nf4 Qd6 20.Ne6 Be6 21.Re6 Qf4 22.Rbe1 Bd6= 23.g3 Qf3 24.Rd6 Rd6–/+ 25.Bb4? ab4?? 26.Qf3+– Rd4 27.Qf5 Kb8 28.Bf1 Rhd8 29.Bg2 R4d6 30.Qa5 Rb6 31.h4 b3 32.Rb1 b2 33.Qg5 Rdd6 34.Qg7 Rd2 35.Qg8 Ka7 36.Qh7 c6 37.a5 Rb5 38.Bc6 Rb4 39.a6! Ka6 40.Bb7! Rb7 41.Qh6 Rb6 42.Qd2 Kb7 43.Rb2 Rb2 44.Qb2 (44.Qb2 Kc6 45.Qf6 Kc5 46.h5 Kd5 47.h6 Kc4 48.Qc6 Kd3 49.h7 Kd2 50.h8Q Ke2 51.Qb2 Kd3 52.Qd5) 1–0. amator111 (1745) – ciuciu01 (1610), kurnik, 2011.

4.b5 c6 5.a4 Qd6 6.f4 Bd7 7.Nf3 Be6 8.Be5 Qd8 9.Nd4 Bd7 10.Be2 c5 11.Nb3 e6 12.0–0 g6 13.c4 Qe7 14.Nc3 1–0. Thystrup – Drzmisek, corr ICCF TT–2–86–1 1987.

4.b5 e6 5.Nf3 Bd6 6.Be2 c6 7.a4 0–0 8.0–0 c5 9.c4 b6 10.d4 Bb7 11.Nc3 Nbd7 12.cd5 ed5 13.Qb3 c4 14.Qc2 Ne4 15.Nd2 Ndf6 16.Nde4 Ne4 17.Ne4 fe4 18.f3 Qh4 19.f4 Bc8 20.Rf2 g5 21.g3 Qh6 22.Kf1 Bh3 23.Ke1 gf4 24.ef4 Bf4 25.gf4 Rf4 26.Bc1 Raf8 27.Bf4 Rf4 28.Qd2 1–0. Trkn – Oscartje, itsyourturn.com, 2000.

4.c4 dc4 5.Bc4 a6 6.Nf3 e6 7.0–0 Bb4 8.Nc3 0–0 9.Qc2 b5=+ 10.Bb3 c5 11.Qf5? c4–+ 12.Qg5 cb3 13.ab3 Bb7 14.Ne2?! Bf3 15.gf3 h6 16.Qg2 Qd2 17.Bf6 Rf6 18.Nd4 Bc3 19.Rad1? Qa2 20.f4 Bd4 21.Rd4?? Qb3?? 22.Qa8+/– Rg6?? 23.Kh1+– Kh7 24.Qb8 Qc2 25.Rd7 Qf5?? 26.Qe5 Qg4?? 27.Qe4+– Qg1 28.Rg1 h5 29.Qg6 Kh8 30.Qg7# 1–0. vello2 – Lodo, Live Game Caissa's Web, 2005.

4.c4 c6 5.Qb3 e6 6.Nf3 Nbd7 7.d4 Ne4 8.Bd3 Be7 9.0–0+= 0–0 10.Ne5 Ne5= 11.de5 a5 12.a3 ab4 13.ab4 Ra1 14.Ba1 Bh4 15.f4 Qe8 16.Be4 fe4 17.Nd2 Kh8 18.Bb2 Rf5 19.Ba3 Rh5 20.b5+= Qg6? 21.Qb4 h6?? 22.Qf8+– Kh7 23.Qc8 Bg3 24.hg3 Qg3 25.Bc5 Rh2+/– 26.Rf2 Qh4 27.Kf1 Rh1 28.Ke2 Qg4 29.Nf3 ef3 30.gf3 Qg1 31.Kd3 Qb1 32.Rc2 Rd1 33.Kc3 Qa1 34.Rb2 Rb1 35.Ba3 Qa3 36.Kc2 Rb2 (36...Rb2 37.Kd1 Qa1#; 36...Qb2 37.Kd3 Rd1#) 0–1. carocan (1785) – sb01lzr (1705), kurnik, 2012.

4.c4 Nc6 5.b5 Na5 6.Qc2 e6 7.c5 Ne4 8.d4 Qh4 9.Nf3 Qg4 10.h3 Qh5 11.Be2 Qg6 12.0–0 b6 13.Ne5 Qg5 14.c6 Bd6 15.Nf3 Qh5 16.Nbd2 Ng5 17.a4 0–0 18.Nb3 Nb3 19.Qb3 Ne4?? 20.Rfe1 Rf6 21.Ra2?? a5?? 22.Nd2 Qh4–/+ 23.Ne4 fe4 24.Rf1 Rf5 25.Bg4 Rf6 26.Bc1 Rb8 27.Bd2 Ra8 28.Be1 Rb8 29.Qc3 Qg5 30.Qc2 Qh4 31.Qd2 (31.Qd2 Rf7 32.Rc2=). Bonetti – Sigma 4, 2000.

4.c4 e5 5.Be5 dc4 6.Bc4 =.

4.c4 e6 5.Qa4 Bd7 6.Qb3 Be7 7.Nf3 0–0 8.cd5 Nd5 9.Nc3 c6 10.Be2 Bf6 11.0–0 Kh8 12.Rac1 Qe7 13.Nd5 ed5 14.Bf6 Rf6 15.Nd4 Rg6 16.g3 h5 (16...a6 17.a3) 17.Bh5 Rh6 18.Be2 Be6 19.Bd3 Qf6 20.b5 f4 21.bc6 Bg4 22.cb7 f3 23.Rc8 1–0. Wall,Bill – Romero,Rogie, chess.com, 2011.

4.Be2 Nc6 5.Bh5 g6 6.b5 Na5 7.Be2 b6 8.a4 Bg7 9.Nf3 Ne4?? 10.d3 Bb2–+ 11.de4 Ba1 12.e5 Nc4 13.0–0 Be5 14.Bc4 Qd6?? 15.Ne5?? Qe5 16.Bd5 Rb8 17.Bc6 Kf7 18.c3 Be6 19.Nd2 Rhd8 20.Qc2 Rd6 21.Nf3 Qf6 22.Nd4 Rbd8 23.Ne6 Qe6 24.c4 Rd2 25.Qb1?? Kg7 26.Bd5–/+ Rd4?? 27.ed4 Qe4 28.Qb2 Qh4 29.h3 Rd6 30.Re1 Kf8 31.Bc6 f4 32.d5 f3 33.Qh8 Kf7 34.Re6! Re6 35.de6 Ke6+– 36.Qd4 Qd4–+ 37.gf3 Qc4 38.Kg2 Qa4 39.f4 Kd6 40.Kg3 Kc5 41.f3 Qb5 42.Be4 a5 43.f5 a4 44.fg6 Kd4 45.gh7 Qg5 46.Kf2 Qh6 47.h4 b5 48.Ke2 b4 (48...b4 49.h5 c5–+) 0–1. OPA – finlandiaflies, Live Game Caissa's Web, 2004.

4.Be2 e6 5.Bh5 g6 6.Be2 Bg7 7.d4 0–0 8.a3 Ne4 9.Bd3 Nc6 10.Nf3 Ne7 11.Nbd2 b6 12.0–0 c5 13.bc5 bc5 14.c3 c4 15.Bc2 f4 16.Be4 de4 17.Ne5 Be5= 18.de5 fe3 19.fe3 Rf1 20.Kf1 Nf5 21.Kg1 Ne3 22.Qe2 Nf5 23.Ne4+= Bb7 24.Nf6 Kg7 25.Rd1 Qb6 26.Kh1 Ne3?? 27.Rd7+– Kh8 28.Rh7 1–0. wojtekkk (1700) – vous54, kurnik, 2011.

4.Ne2 e6 5.Nf4 Bb4=+ 6.Nh5 Nbd7 7.Ng7= Ke7 8.g4 Ng4 9.Nf5? ef5–+ 10.Bh8 Qh8 11.c3 Nc5?? 12.d4?? Ne4–+ 13.cb4 Nef2 14.Qc2 Nh1 15.Qc7 Bd7 16.Nc3 Ne3 17.Bb5 Rd8 18.Qc5 Ke8 19.Kd2 (19.Kd2 b6 20.Bd7 Kd7 21.Qb5 Kc7 22.Ke3 f4 23.Kd3 Nf2 24.Kc2 Qd4 25.Qa6–+; 19.Ke2 Qg7 20.Ke3 Qh6 21.Kd3 Nf2 22.Kc2 A) 22...Qh2?! 23.Qd5 Ke7 24.Re1 (24.Qb7? Ne4 25.Ne2 Rc8 26.Kb3 Rc7–+) 24...Ne4 25.Re2=; B) 22...Ne4 23.Ne4 B1) 23...de4?! 24.Qe5 Kf8 25.Bd7 Rd7 26.Qf5 Ke8 27.Qe5 Kd8 28.Re1 (< 28.Qe4 Qh2 29.Kc3 Qg3 30.Kb2 Qf2 31.Kc3 Rc7 32.Kb3 Qf7 33.Ka3 Re7=+) 28...Qc6 29.Kb2=; B2) 23...fe4 24.Qd5 Qh2 25.Kb3 Qg3 26.Kb2 Qf2 27.Ka3 Qf3 28.Ka4 Bb5 29.Qb5 Rd7+–). Wall,Bill – Holsapple,Boyd, Dayton, OH, 1984.

4.Nf3 e6 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.Bf6 Qf6 10.d4 Bb4 11.c3 Bd6 12.g3 f4 13.ef4+= c5 14.Ne5 cd4 15.Qd4 0–0 16.Nd2 Qe7 17.Bd3 Bc5 18.Qa4 Nd7 19.Nd7 Bd7 20.0–0 h6 21.Nf3 g5 22.Ne5 Be8 23.fg5 Qg5 24.Ng4?? Qg4?? 25.Qg4+– Kh8 26.Qe6 (26.Qe6 Kg7 27.Qe5 Rf6 28.Qe8+–) 1–0. ludice (1660) – jank61 (1650), kurnik, 2011.

4.f4 c6 5.Nf3 e6 6.a3 Nbd7 7.Nc3 Bd6 8.Bd3 0–0 9.0–0 Re8 10.Qe2 e5 11.fe5+= Ne5 12.Ne5 Be5 13.Bf5 Bf5 14.Rf5 Bc3 15.Bc3+/– Rf8 16.Raf1+– Qe7 17.Bf6 gf6 18.Qg4 Qg7 19.Qd4 Rae8 20.R1f4 Re6?? 21.Rg4 Qg4 22.Qg4 Kh8 23.Rd5! cd5 24.Qe6 b5 25.Qd5 Rc8 26.Qf7 Rc2 27.Qf8# 1–0. pierre – nucky, internet, 2008.

4.f4 Ne4 5.Bb5 Bd7 6.Bd3 e6 7.Be5 Nc6 8.c3 Ne5 9.fe5 Qh4 10.g3 Qg5 11.Kf1 Ng3 12.hg3 Qg3 13.Nf3 g5 14.Rg1 Qh3 15.Kf2 Bh6 16.Rh1 Qh1 17.Qh1 g4 18.Qh5 Ke7 19.Qh4 Kf7 20.Qh6 gf3 21.Qf6 Ke8 22.Qh8 Ke7 23.Qg7 Kd8 24.Qg5 Ke8 25.Qg8 Ke7 26.Qh7 Kd8 27.Qg8 Be8 28.Qe6 (28.Qe6 a5 29.Bf5+–) 1–0. Dorkus – Pawnfork, ICS rated blitz match, 1998.

4.f4 e6 5.b5 a6 6.a4 ab5 7.ab5 Ra1 8.Ba1 c6 9.c4 dc4 10.Bc4 cb5 11.Bb5 Bd7 12.Bc4 Nc6 13.Nf3 Be7 14.0–0 0–0 15.Nc3 h6 16.Qc2 Kh8 17.Qa2 Qc8 18.Nb5 Nb4 19.Qb3 Bb5 20.Bb5 Nbd5 21.Ne5 Kh7 22.Bb2 Qc5 23.Rc1 Qb6 24.Bd4 Qa5 25.h3 Qd2=+ 26.Ra1 Ne4 27.Rf1 Ng3 28.Rd1 Ne2 29.Kh2? Nd4–+ 30.ed4 Qf4 31.g3? Qf2 32.Kh1 Ne3 33.Rg1–/+ Bd6 34.Qe6 Be5 35.Qe5 Qf3 36.Kh2 Qf2 37.Kh1 Qf3 38.Kh2 Qf2 39.Kh1= ½–½. carocan (1710) – strongman, kurnik, 2011.

4.f4 e6 5.Nf3 Bb4=+ 6.Nc3 0–0–/+ 7.Ng5 h6 8.h4? Ng4 9.Bd3? hg5–+ 10.hg5 c5 11.Nb5 a6 12.Rh7 Rf7 13.g6 Rf6! 14.Ke2 Rg6 15.Qh1 Nh6 16.Rg7 Rg7 17.Qh6 Qe7 18.Nd6 Bd7 19.Rh1= Kf8?? 20.Qh8 Rg8 21.Qg8!! Kg8 22.Rh8# 1–0. Hartlaub – Teichmann,Richard, Leipzig, 1922.

4.f4 e6 5.Nf3 Bb4 6.Nc3 c5 7.Bb5 Bd7 8.Rb1 a6 9.Be2 b5 10.a3 Ba5 11.0–0 d4 12.ed4 cd4 13.Na2 Bc6 14.Nb4 Bb6 15.Kh1 0–0 16.Ng5 Qd6 17.c4 dc3! 18.dc3 Rd8 19.c4= Qe7 20.Qb3 Bd7 21.cb5 ab5 22.Bf3 Ra4 23.Rfe1 Re8 24.Nd5!+– Nd5 25.Bd5 h6 26.Be6 Kh8 27.Qh3 Bd4 28.Bd4 Rd4 29.Nf7 (29.Nf7 Kh7 30.Bf5 Kg8 31.Re7 Re7 32.Ne5+–) 1–0. Buss,Michael – Tjornsted,Peter, corr 3GMM–06, 1996.

4.Bf6 ef6 5.b5 c6 6.a4 Bd7 7.c4 cb5 8.cb5 b6 9.Nc3 Bd6 10.Nd5 0–0 11.Nf3 Be5 12.Rc1 Be6 13.Nb4 Bb2 14.Nc6 Qd6 15.Nfd4 Bd4? 16.Nd4+– Nd7?? 17.Ne6 Qe6 18.Bc4 Qc4 1–0. elsh1403 – piotrwin1, kurnik, 2011.

4.Bf6 ef6 5.Qh5 g6 6.Qh4 Nc6 7.b5 Ne5 8.f4 Nf7 9.Nf3 Bg7 10.c4 Be6 11.cd5 Bd5 12.Nc3 Be4 13.Bc4 Nd6 14.Bb3 Qe7 15.0–0 0–0–0 16.Nd5 Bd5 17.Bd5 Ne4 18.Bc4 Nd2–/+ 19.Nd2 Qe3 20.Kh1 Rd2–/+ 21.Rfe1 Qd4 22.Rac1 h5 23.Be6 Kb8 24.Qg3 Bh6 25.Qg6=+ Bf4 26.Bf5 Bg5?? 27.Qg7+= Rd8?? 28.h3 Ra2?? 29.Re7 Bf4 30.Rf1 Bd6 31.Rf7?? Be5 32.Rd7–+ Rd7?? 33.Bd7= a6 34.Qg8 Ka7 35.Qa2 Qd7 36.Qf2 b6 37.ba6 Qd4 38.Qd4 Bd4 39.Rf5 Ka6 40.Rh5 b5 41.Rh7 c5 42.Rd7 b4 43.Rd8 b3 44.Rb8 Ka7 45.Rb5?? c4–+ 46.h4 b2 47.h5 (47.h5 c3 48.Kh2–+). elsh1403 (1685) – okena (1715), kurnik, 2011.

3.e3 d6

4.a3 e5 5.d4 e4 6.c4 Be7 7.Nc3 0–0 8.f3 d5 9.cd5= Nd5 10.Nd5 Qd5 11.Qc2 Nc6?? 12.Bc4+– Qc4 13.Qc4 Kh8 14.Ne2 ef3 15.gf3 Bd7 16.0–0–0 Bf6 17.d5 Ne5 18.Qc7 Rac8 19.Qc8! Rc8 20.Kb1 Ba4 21.Rc1 Rd8 22.Rhd1! Nf3 23.Bf6 gf6 24.Rd3 Bb5+= 25.Rcd1 Bd3 26.Rd3 Nh2 27.Nf4 Nf3 28.Ne6 Rc8?? 29.d6+– Ng5 30.Ng5 fg5=+ 31.d7 Rd8–+ 32.Rd5 Kg7 33.Rf5=+ Rd7 34.Rg5 Kf6 35.Rc5 Re7 36.Rc3 h5 37.Kc2 h4 38.Kd2 Kg5 39.Rc1 h3 40.Rh1 Rh7 41.Ke2 h2 42.Kf2 Kg4 43.Kg2 Rh3 44.Kf2 Kf5 45.a4 Ke4 46.Kg2= Re3 47.Kh2 Rd3 48.Re1 Kd4 49.Re7 Ra3 50.a5 b6 51.Ra7 ba5 52.Ra5 Rb3 53.b5 Kc5 54.b6 Kb6 55.Rh5 Rb2 56.Kg3 Rb3 57.Kg4 Rb4 58.Kg5 Rb5 59.Kg6 Rb2 60.Kg5 Kc6 61.Rh6 Kd5 62.Rh5 Ke4 63.Rh4 Ke5 64.Rh5 Rg2 65.Kh6 Kf6 66.Ra5 Rh2 67.Rh5 Rg2 68.Ra5 Rg8 69.Ra6 Kf7 70.Ra7 Ke6 71.Ra6 Kf5 72.Ra5 Ke4 73.Ra4 Kd3 74.Ra3 Kc2 75.Ra2 Kb1 76.Ra7 Rh8 77.Kg7 Rh1 78.Rb7 Kc2 79.Rc7 Kd3 80.Rd7 Ke4 81.Re7 Kd5 82.Rf7 Kd6 83.Rf6 Ke5 84.Ra6 Rg1 85.Kf7 Rf1 86.Ke7 Rh1 87.Kd7 Kd4 88.Kc6 Rh6 89.Kb5 Rh5 0–1. Fournier,Frederic – Filip_Aki, Partie ιvaluιe, 5m + 0s, 2009.

4.c4 e5 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6).

4.c4 e5 5.d3 Be7 6.Nf3 (--> 1.b4 e5 2.Bb2 d6 3.c4 f5 4.e3 Nf6 5.Nf3 Be7 6.d3).

4.d4 c6 5.c4 g6 6.Nf3 Bg7 7.a4 0–0 8.Nc3 Kh8 9.Be2 Be6 10.0–0 Bg8 11.Qb1 Nbd7 12.Rd1 d5 13.c5 Ne4 14.Na2 e6 15.b5 Rb8 16.Rd3 Qf6 17.g3 g5 18.Rb3 Bf7 19.Qd1 f4 20.g4 fe3 21.Re3 Ndc5 22.Rb1 Nd7 23.Ba3 Rfe8 24.bc6 bc6 25.Rb8 Rb8 26.Rb3 Qf4 27.Rb8 Qb8 28.Qc1 h6 29.Qc6 Qb1 30.Nc1 Nef6 31.Qc8 Bf8 32.Bd3 Qa1 33.Bf8 Nf8 34.Qf8 Ng8 35.Qf7 1–0. Oestblom – Nyberg, Bollnaes 1973.

4.d4 Nc6 5.b5 Nb8 6.c4 Nbd7 7.Bd3 e6 8.Nh3 Be7 9.0–0 0–0 10.Nc3 e5 11.Bf5 ed4 12.Be6 Kh8 13.Qd4 Nc5 14.Bc8 Qc8 15.Nd5 Qd7 16.Rfd1 Ne6 17.Qd2 Nd5 18.Qd5 Bf6 19.Bf6+– Rf6 20.Qb7 Raf8 21.Qa7 Qf7 22.b6 cb6 23.Qf7 R6f7 24.Rd6 Nc5 25.Rb6 g5 26.a4 Nd3 27.Ng5 Rf2 28.Ne6 R8f6 29.Rb8 Rf8 30.Nf8 (30...Rb2 31.Rd8+–) 1–0. Trkn – MrButterbug (1770), ICC, 2005.

4.d4 g6 5.Nf3 Bg7 6.Be2 0–0 7.0–0 Bd7 8.h3 h6 9.c4 Nc6 10.b5 Nb8 11.Nc3 Kh7 12.Qc2 Qe8 13.Rfd1 b6 14.a4 Kh8 15.Nd5 Qd8 16.Rac1 e6 17.Nc3 Be8 18.Ba3 Nbd7 19.Na2 Rg8 20.Nb4 Bf7 21.Nc6 Qe8 22.c5 g5? 23.cd6+– cd6 24.Nb4?? Ne4 25.Na6 Qe7 26.Qc7 Rgd8 27.Nd2 Rac8 28.Qa7?? Rc1+= 29.Bc1 Nd2 30.Bd2 f4 31.Qb6?? Nb6–+ 32.ef4 gf4 33.Bf4 Na4 34.Ra1 Nc3 35.Bf3 Nb5 36.Ra5 Nd4 37.Bd1 e5 38.Be3 Bc4 39.Nb4 1–0. mihai740609 (1605) – bonito (1725), kurnik, 2011.

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

4.f4 b6 5.Nf3 e6 6.Be2 Be7 7.0–0 0–0 8.c4 Bb7 9.Qb3 Qe8 10.Nc3 Kh8 11.Ng5 Bd8 12.Bf3 Bf3 13.Nf3 c6 14.Ne2 Ne4 15.d3 Nf6 16.Rae1 c5 17.b5 a6 18.a4 a5+= 19.Nc3 Ra7 20.e4 fe4 21.de4 Ng4 22.g3 Qg6 23.Qd1 Rd7 24.Qe2 Rdf7 25.Kh1 Be7 26.Ng5 Bg5 27.Qg4 Nd7 28.h4 Bf6 29.Qg6 hg6 30.Kg2 Bd4 31.Rh1 Nf6 32.Nd1 e5 33.fe5 de5 34.Rhf1 Ne8 35.Rf7 Rf7 36.Bd4 cd4 37.Nf2 Rc7 38.Rc1 Nd6 39.c5 bc5 40.Nd3 Ne4 41.b6 Rb7 42.Nc5 Nc5 43.Rc5 Rb6 44.Re5 d3 45.Kf2 Rb1 46.Re1 Rb2 47.Ke3 d2 48.Rd1 Rb3 49.Kf2 Rd3 50.Ke2 Rg3 51.Rd2 0–1. Arno de Visser – Mascini, Dieren, 1982.

4.f4 Nc6 5.b5 Nb8 6.Nf3 e6 7.Bc4 Be7 8.0–0 d5 9.Bb3 0–0 10.c4 c6 11.a4 Ne4 12.Nc3 Bf6 13.Qc2 Nd7 14.Ba3 Rf7 15.cd5 ed5 16.bc6 bc6 17.Ne4 fe4 18.Nd4?? Bd4–/+ 19.ed4 Ba6 20.Rf2 Rc8 21.Bd6? Bd3 22.Qd1 Nf6 23.Be5=+ Nd7 24.Qh5?? Qe7 25.Bd1 Ne5 26.de5 Qc5 27.f5?? Rcf8 28.Bg4 g6 29.Qg5 Qd4 30.Rc1 c5?? 31.e6?? Rf6=+ 32.e7 Re8 33.h4 Re7 34.h5? Rg7 35.Rc5 gh5?? 36.Rc8 Rf8 37.Rf8 Kf8 38.Qd8 Kf7 39.Bh5 (39.Bh5 Rg6 40.fg6 Ke6 41.Bg4 Ke5 42.Qe7) 1–0. elsh1403 – hendry12, kurnik, 2011.

4.f4 e6 5.Nf3 Be7 6.Bc4 h6 7.0–0 0–0 8.d3 d5=+ 9.Bb3 Bb4 10.Nbd2 Bd6 11.Ne5 Be5 12.fe5 Ne8 13.Nf3 c5 14.a4 Nc6 15.Ba3 b6 16.d4 Ba6 17.Rf2 Nb4 18.c3 Nd3 19.Rd2 c4?? 20.Bc2?? Rf7=+ 21.Bd3 cd3 22.Ne1 Qc7 23.Rc1 Rc8 24.Qb3 Bc4 25.Qb2 Qd7 26.Nd3 Bd3 27.Rd3 Qa4 28.Ra1 Qc4 29.Qd2 Nc7 30.Rb1 Nb5 31.Rb4? Qc6 32.Bb2 a5 33.Rb3 a4 34.Rb4 a3 35.Ba1 Ra7 36.c4?? dc4 37.Rc3 Nc3 38.Qc3 b5 39.Kf2 a2 40.Rb2 Rca8 41.Ke2 Qg2 42.Kd1 Qf1 43.Kc2 Ra3 44.Qb4 Re3 (44...Re3 45.Qc3 Qa1 46.Qc4 Qb2 47.Kb2 a1Q 48.Kc2 bc4 49.Kd2 Qc3 50.Kd1 Ra1) 0–1. elsh1403 – patelnia111, kurnik, 2011.

4.f4 g6 5.Nf3 Bg7 6.a4 0–0 7.c4 e5 8.fe5 Ng4 9.Qb3 Ne5 10.Ne5 de5 11.g3 Be6 12.Bg2 c6 13.0–0 Nd7 14.Rd1 f4 15.ef4 ef4 16.Bg7 Kg7 17.Re1 Qf6 18.Qc3 Rae8 19.Qf6 Nf6 20.Na3 Nh5 21.gf4 Nf4 22.b5 Bh3 23.Re8 Re8 24.Bh3 Nh3 25.Kg2 Nf4 26.Kf3 g5 27.a5 c5 28.Rg1 h6 29.h4 Kg6 30.hg5 hg5 31.Rh1 Rd8 32.Nb1 Nd3 33.Ke3 Nb2 34.Rc1 Rd4 35.a6 ba6 36.ba6 Nc4 37.Ke2 g4 38.d3 Ne5 39.Rc5 Nd3 40.Rc7 Nb4?? 41.Ra7 Rd6 42.Ra8 Na6 43.Rg8 Kh5 44.Nc3 Nc5 45.Rh8 Kg5 46.Rc8 Re6 47.Kf2 Nd3 48.Kg2 Nf4 49.Kf2 Nd3 50.Kg2=+ Nf4 51.Kf2= ½–½. Biberger,Hans – Braun,Christoph, Bad Aibling op, 1997.

4.Bf6 ef6 5.Qh5 g6 6.Qf3 d5 7.Bb5 c6–/+ 8.Ba4 Bb4 9.Ne2 0–0 10.0–0 Nd7 11.c3 Ne5 12.Qg3 Bd6 13.Qh4 Kg7 14.d4 Ng4 15.h3 Nh6 16.Nd2 Qe8 17.c4?? g5 18.cd5 gh4 19.dc6 bc6 0–1. elsh1403 – hendry12, kurnik, 2011.

3.e3 e5

4.a3 d5 5.Be5+= Nc6 6.Bb2 Bd7 7.Nf3 Bd6 8.c4 dc4 9.Bc4 Qe7 10.Nc3 0–0–0 11.Nd5 Nd5 12.Bd5 Rhe8 13.0–0 h6 14.Nd4?? g5?? 15.Nc6 Bc6 16.Bc6 bc6 17.Qa4 Kb7 18.Rac1 Qd7 19.Bd4 Ra8 20.Rc2 Re6 21.Rfc1 Be7 22.Rc6!! Rc6 23.Qb5 Kc8 24.Qc6 Qc6 25.Rc6 Bd6 26.Bc5 Kd7 27.Ra6 c6?! 28.Ra7 Ra7 29.Ba7 Be5 30.d4 Bc7 31.Bc5 f4 32.Kf1 fe3 33.fe3 Bh2 34.g4 Bd6 35.Bd6 Kd6 36.a4 Kd5 37.a5 Kd6 38.e4 Kc7 39.e5 Kd7 40.Kf2 Ke6 41.a6 Kd5 42.a7 Kd4 43.a8Q Ke5 44.Qc6 Kf4 45.Qf3 Ke5+– 46.Qf5 Kd4 47.b5 Kc3 48.b6 (48.b6 Kb3 49.Qd3 Kb2 50.b7 Kc1 51.b8Q h5 52.Qbb1) 1–0. erisonpassos – prezesvan, kurnik, 2011.

4.a3 d6 (--> 1.b4 e5 2.Bb2 d6 3.e3 f5 4.a3 Nf6).

4.a3 e4 5.Ne2 Be7 6.d4 d5 7.Nf4 Bd6 8.Be2 Bf4 9.ef4 Qd6 10.Qd2 Nbd7 11.Nc3 0–0 12.Nb5 Qc6 13.Qc3 Qc3 14.Bc3 Ne8 15.Bd2 c6 16.Nc3 Nd6 17.b5 Nb6 18.bc6 bc6 19.Rb1 Nbc4 20.Bc1 Re8 21.0–0 Re7 22.a4 Rb7=+ 23.Rb7 Bb7 24.Nd1 Ba6 25.Bc4 Nc4 26.Re1 Kf7 27.Ne3 Ke6 28.Nc4 Bc4 29.Ba3 Kf6 30.Rb1 Re8 31.Rb7 e3 32.fe3= Re3 33.Bf8 a6 34.Bg7+= Kg6 35.Be5 (35.Be5 Re1 36.Kf2 Re2 37.Kf3+/–) 1–0. Froemmel,Andreas – Rossbach, corr SOK–89–38, 1989.

4.b5 d6 5.c4 b6 6.d4 Nbd7 7.Qf3 Rb8 8.Qf5 Nc5 9.Qc2 ed4 10.ed4 Nce4 11.f3 Ng5 12.Bd3 Be7 13.Nc3 0–0 14.Nd5 h6 15.Ne7 Qe7 16.Ne2 Bd7 17.0–0 Rbe8 18.Bc1 Nf7 19.Nf4 Nh8 20.Bd2 Qd8 21.Rae1 Re1 22.Re1 Re8 23.Re8 Qe8 24.Nd5 Nd5 25.cd5 Bb5 26.Bh7 Kf8 27.Qc7 Qe2 28.Qd6 Kf7 29.Qf4 Ke7 30.Bb4 Kd7 31.Bf5 Ke8 32.Qb8 1–0. Egart Andersson – Popp, email 1999.

4.Be5 Nc6 5.Bb2 Bb4 6.Nf3 d5 7.Bb5 Bd7 8.0–0 0–0 9.c4 Be6 10.Bc6 bc6 11.Nd4 Qd6 12.Qc2 Ng4 13.f4 Bd7 14.h3 Nh6 15.a3 Bc5 16.Nb3 Qe7 17.Qc3 1–0. Metz – Mishnaevsky, corr 1993.

4.Be5 d6 5.Bb2 Be6 6.Nf3 Nbd7 7.Ng5 Bg8 8.Bd3 h6 9.Nh3 Be6? 10.Nf4+– Qe7?? 11.Ng6 Qf7 12.Nh8 Qh5 13.Be2 Qg5 14.0–0 0–0–0 15.c4 Be7 16.Nf7! Bf7 17.Nc3 Ne5 18.d3 Qg6 19.a4 Be6 20.c5! d5? 21.a5 d4 22.Nb5 a6 23.Nd4 Bd5 24.Bf3 Bf3 25.Nf3 Rd3?? 26.Qe2 Nf3 27.Qf3 Ne4 28.Bd4 Bf6 29.Qe2 Bd4 30.Qd3 Ba1 31.Ra1 c6 32.Rd1 Qf6 33.Qd7 Kb8 34.Qe8 Ka7 35.Qc8 f4 36.ef4 Qf4 37.Rf1 Nd2 38.Rd1 Ne4 39.f3 Qe3 40.Kf1 Nd2 41.Rd2!+/– Qd2 42.Qc7 Qb4= 43.Qg7 Qc5 44.Qh6 Qa5 45.Qe3 c5 46.g4 Qb5 47.Kf2 a5 48.h4 a4 49.h5 Qb2 50.Kg3 a3 51.Qc5 b6 52.Qc7+/– Ka6 53.h6 a2= 54.Qc8 Kb5 55.Qf5 Ka4 56.Qe4 Ka5 57.Qd5 b5 58.Qa8 Kb4 59.Qe4 Kb3 60.Qd5?? Kc2–+ 61.Qe4 Kc1 62.Qe3 Qd2+= 63.Qa3 Kd1 64.Qb3?? Ke2 65.Qb5+= Ke1 66.Qa4?? Qf2 67.Kf4 Qh2 68.Ke4 Qe2 69.Kf4 Qh2 70.Ke4 Qe2 71.Kf4 Qd2 72.Ke4?? Qe2 ½–½. elsh1403 – szachista56 (1650), kurnik, 2011.

4.Be5 d6 5.Bc3 Be6 6.Bd3 Be7 7.Qf3 Qd7 8.Qb7?? Qc6?? 9.Qc6 Nc6 10.Be2 0–0 11.Bf3 Bd5 12.b5 Bf3 13.Nf3 Ne5 14.Ne5 de5 15.Be5 Ng4 16.Bc7 Rac8 17.b6 ab6 18.Bb6 Rc2 19.0–0 Bd6 20.h3 Nf6 21.d4 Ne4 22.a4 Ra8 23.a5 Rc6 24.Rd1 Rb6+= 25.ab6 Ra1 26.b7 Ra7–/+ 27.Rc1 Rb7 28.Rc8 Kf7 29.Rc1 Rc7 30.Rd1? Nc3 31.Nc3–/+ Rc3 32.Kf1 Ke6 33.Ke2 Kd5 34.Rb1 g5 35.Rb5 Ke6 36.Kf3 h5 37.Rb7? Rc7 38.Rb8?? Rf7 39.Re8–/+ Kf6 40.Rh8 Kg6 41.Rg8 Rg7 42.Rd8 Be7 43.Ra8 g4 44.hg4 hg4 45.Ke2 Kg5 46.Ra5 Bf6 47.g3 Rd7 48.Ra8 Be7 49.Rg8 Kf6 50.Rh8 Kg7 51.Rh1 Kg6 52.Rb1 Rd6 53.Rb7 Bf6 54.Rb8 Bg7 55.Rb7 Bf6 56.Rb5 Bg7 57.Rb1 Bf6 58.Kd3 Bg7 59.Kc4 Bf6 60.Kc5 Rd8 61.d5 Be5 62.Rb6 Kg5 63.Rb7? Rc8–+ 64.Kb5 Rc2 65.Re7 Bd6 66.Re6 Ba3 67.d6 Bd6 68.Rd6 Rf2 69.Kc4 Rf3 70.Rd8? Re3 71.Rg8 Kf6 72.Kd4 Rg3 73.Rf8 Kg5 74.Rg8 Kf4 75.Ra8 Re3 76.Kd5 (76.Kd5 g3 77.Rg8–+). wojtekkk – niko110, kurnik, 2011.

4.Be5 Bb4

5.Nc3 Bc3 6.Bc3 0–0 =.

5.Nf3 0–0 6.c3 Be7 7.d4 =.

5.Nf3 Nc6 6.Bb2 0–0 7.c4 Re8 8.Be2 d5 9.cd5 Nd5=+ 10.0–0 a6 11.a3 Bd6 12.Bc4 Be6 13.Nc3 Nf4 14.Qb3 Bc4 15.Qc4+= Ne6 16.d4 Qf6 17.Ne2 Ne7 18.a4 Rad8 19.Rfb1 Qf7 20.Ba3 Ba3 21.Ra3 Nc8+= 22.Rc3 Nd6 23.Qb3 Kh8 24.d5 Nf8 25.Rbc1 Re7 26.R3c2 Rdd7 27.Nf4 Rd8 28.Nd4 Rc8 29.Nde6 h6 30.Qb4 g5 31.Nf8 Rf8 32.Ne6 Rc8 33.f3 Kg8 34.Rc3 Qh7 35.Kh1 Qf7 36.a5 Nb5 37.Rd3 Rce8 38.Rdd1 Rd7 39.e4 Rde7 40.Qb1 Qf6 41.ef5 Rf7 42.Qb3 Qf5+= 43.Re1 Rd7 44.Rcd1 Qf7 45.f4 gf4 46.Rf1 Rde7 47.Qh3 Re6 48.de6 Qe6 49.Qf3 Nd6 50.Qf4 Qg6 51.Qh4 Kh7 52.Rf6 Qg7 53.Qf2+– Re5 54.Rf1 Qe7 55.Qc2 Re4 56.Rf8 h5 57.Qc3 Qg7 58.R8f6 Qe7 59.h3 h4 60.Rf8 Qg7 61.Qb3 Qg6 62.Qc2 Ne8 63.R8f7 Ng7 64.R7f6 Qe8 65.R1f4 Nh5 66.Re4 Ng3 67.Kh2 Ne4 68.Rf4 Qe5 69.Qe4 Qe4 70.Re4 Kg6 71.Re7 Kf6 72.Rc7 Ke5 73.Rb7 Kd4 74.Rb6 Kc5 75.g4! hg3 76.Kg3 Kc4 77.h4 (77.h4 Kd5 78.h5+–) 1–0. Vaassen,Jack – Lonsdale,David Robert, CO1–04 www.b2–b4.com, 2004.

5.Nf3 d6

6.Bc3 Bc3 7.Nc3 Ne4 8.Bc4 =.

6.Bc3 Nc6 7.Bb5 Bc3 8.Nc3 0–0 =.

6.Bc3 Nc6 7.Bb5 Bc3 8.Nc3 Bd7 9.0–0 0–0 10.Qb1 a6 11.Bc4 Kh8 12.Qb7 Na5 13.Qa6 Ra6 14.Ba6 Qa8 15.Be2 Rb8 16.Nd4 c5 17.Nb3 Ne4 18.Ne4 Nb3 19.ab3 Qe4 20.Bd3 Qb4 21.Rfd1 g6 22.Ra6 Rb6 23.Ra7 Bc6 24.h3 Be4?? 25.Be4?? fe4 26.Rda1? Rb7 (27.Ra8 Rb8 28.Rb8 Qb8–+) 0–1. St_Jean,Benoit – Popp,Tony, IECG, 1999.

6.Bc3 Nc6 7.Bc4 Bc3 8.Nc3 Ne4 9.Nb5 =.

6.Bc3 Nc6 7.Bc4 Qe7 8.0–0 Be6 9.Be6 Qe6 10.Ng5 Qd5 11.Bf6+= gf6 12.Qh5 Kd7 13.Nh3 Rag8 14.Nf4 Qe5 15.c3 Ba5 16.d4 Qe4 17.Nd2 Qc2 (18.Rfc1 Qd2 19.Qf5 Kd8+–). Woschkat,Karl_Heinz – Romanska,Magdalena, IECG Cat–C, 1996.

6.Bf4 0–0 =.

6.Bf6 Qf6 7.c3 Ba5?? 8.Qa4+– Nc6 9.Bb5 Bc3 10.Bc6 Ke7 11.Nc3 bc6 12.Qc6 Bd7 13.Nd5 (13.Nd5 Ke6 14.Nc7 Ke7 15.Nd5 Ke6 16.Qc4+–) 1–0. Trkn – guest1364, ICC, 2004.

3.e3 g6

4.a3 Bg7 5.d4 0–0 6.Nd2 d6 7.Ngf3 a5 8.b5 c6 9.Rb1 Qc7 10.c4 cb5 11.cb5 Be6 12.Rc1 Qb6 13.a4. Maly,Guenther (1740) – Hansen,Christian (2000), remoteschach.de, 2007.

4.c3 Bg7 5.Qb3 d6 6.Nf3 e6 7.Bc4 Qe7 8.Ng5 d5 9.Be2 h6 10.Nf3 c6 11.c4 Nbd7 12.0–0 dc4 13.Bc4 Nb6 14.Be2 Nbd5 15.a3 Bd7 16.Ne5+/– Ne4?? 17.Ng6+– Qg5 18.Nh8 e5 19.f4! Qh4 20.Be5 Be5 21.fe5 0–0–0 22.Nf7 Rg8 23.Nd6 Kc7 24.Ne4 fe4 25.Rf7 Qe1 26.Bf1 Kc8 27.Rd7 Kd7 28.Nc3 Qa1 29.Nd5 cd5 30.Qd5 Kc7 31.Qg8 Qe5 32.Qc4 (32.Qc4 Kd7 33.Qf7 Qe7 34.Bb5 Kd8 35.Qf4+–) 1–0. orangutanb4 (2010) – nocnymarko (1740), kurnik, 2011.

4.Nc3 e5 5.Nf3 e4 6.Ng5 c6 7.Ne2 Bg7 8.h4 0–0 9.Nf4 Nh5 10.Bg7 Ng7 11.Rh3 h6 12.Ng6 Qf6 13.Nf8 Qf8 14.Rg3 hg5 15.Rg5 Qf6 16.c3 Na6 17.Ba6 ba6 18.Qh5 Bb7 19.Rg6 Rf8 20.Qh6 Qe7 21.0–0–0 Qe5 22.f4 ef3 23.gf3 Rf7 24.Rdg1 c5 25.Qg5 Kf8 26.h5 Qe7 27.Qe7 Re7 28.h6 Nh5 29.Rg8 Kf7 30.h7 1–0. Finenko – Sherstiuk, SU 1987.

4.d4 Bg7 5.Nf3 0–0 6.c4 e6 7.Be2 d6 8.0–0 c6 9.Nc3. jparkinson (2465) – yannigator (1995), net–chess.com, 2011.

4.d4 Bg7 5.Nf3 0–0 6.Bc4 d5 7.Be2 c6 8.Nbd2 a6 9.c4 e6 10.0–0 Nbd7 11.c5 Ne4 12.Qc2 Ndf6 13.Ne4 fe4 14.Ne5 Nd7 15.f4 Ne5 16.fe5 Qg5 17.Rf8 Kf8 18.Rf1 Kg8 19.Qd1 Bd7 20.g3 Qe3=+ 21.Kg2 Rf8 22.Rf8 Bf8 23.Qf1? Qd2–+ 24.Bc1 Qd4 25.a3 Qe5 26.Bg4 e3 27.Qe2 d4 28.Qd3 Bg7 29.Bf3 Qg5 30.h4 Qf6 31.Bb2? e5 32.Qe4 Qe6 33.Qd3 Qh3 34.Kg1 Qg3 35.Bg2 Bg4 36.Qe4 Qf2 37.Kh2 Bf5 38.Qf3 Qb2 (38...Qb2 39.Qg3 d3–+) 0–1. mihai740609 – memo, kurnik, 2011.

4.Be2 d5 5.h4 Bg7 6.d4 Ne4 7.h5 Qd6 8.a3 a5 9.b5 Be6 10.Nf3 Nd7 11.Nbd2 Nb6 12.hg6 hg6 13.Rh8 Bh8 14.Ne5 Be5 15.de5 Qd7 16.a4 c6 17.bc6 bc6 18.Ne4 de4 19.Qd7 Bd7 20.Bd4. Fournier,Frederic, France (FRA), 2001.

4.f4 Bg7 5.Nf3 0–0 6.Bc4 e6 7.0–0 d5 8.Bb3 c6 9.h3 Ne4 10.d3?? Ng3 11.Rf2?? Bb2–+ (11...Bb2 12.Nbd2 Ba1 13.Qa1 a5 14.ba5 Qa5–+) 0–1. elsh1403 – vallejos, kurnik, 2011.

4.f4 Bg7 5.Nf3 0–0 6.Be2 c6 7.0–0 d5 8.c4 e6 9.Qb3 Qe8 10.h3 Nbd7 11.d3 h6 12.Nbd2 Kh7 13.Ne5 Ne5 14.fe5 Nd7 15.Nf3 g5 16.Rac1 Qg6 17.cd5 ed5 18.e4 fe4–/+ 19.de4 de4 20.e6 Nb6 21.Bg7 Qg7 22.Nd2 Qe5 23.Ne4 Be6=+ 24.Qc2 Bf5 25.Bd3 Rad8 26.Rf5 Rf5 27.Nc5 Qd4?? 28.Kh1+– Kg8 29.Bf5 Qb4 30.Be6 Kg7 31.Qf5 Rf8 32.Qe5 Kg6 33.Qe4 Kg7?? 34.Qb4+– Rf1 35.Rf1 g4 36.Qd4 (36.Qd4 Kg6 37.Qg4 Kh7 38.Qg8; 36.Qg4 Kh7 37.Qg8) 1–0. elsh1403 – vallejos, kurnik, 2011.

4.f4 Bg7 5.Nf3 0–0 6.Be2 d6 7.d4 Nbd7 8.0–0 Nd5 9.Qd3 N7f6 10.a3 Ne4 11.c4 Ndf6 12.Nbd2 Re8 13.Qc2 b6 14.Ne4 Ne4 15.Bd3 Bb7 16.Nd2 Nd2 17.Qd2 a5 18.Bc3 0–1. Fournier,Frederic (2215) – Klochan,Peter, corr, 2001.

4.h4 Bg7 5.Nh3 0–0 6.Ng5 h6 7.Nh3 Qe8 8.Nf4 e5 9.Bc4 Kh8 10.Be5+/– Nc6 11.Bc3 d5 12.Bd5+– Nd5 13.Nd5 f4?? 14.Nc7 Qf7 15.Na8 fe3 16.Qf3 ef2 17.Kf1 Bf5 18.Qe3 Nb4 19.Qh6 Kg8 20.Qg7 Qg7 21.Bg7 Kg7 22.Na3?? Nc2+/– 23.Nc2?? Bd3# 0–1. Valles,A – Cebrian,JA, AUT94P1, 1994.

4.c4 Bg7

5.Qb3 d6 6.Nf3 0–0 7.Ng5 c6 8.c5 d5 9.f4 Ng4 10.Bg7+= Kg7 11.h3 Nf6 12.Be2 h6 13.Nf3 Nbd7 14.Nc3 Re8 15.0–0 Qc7 16.d4 Ne4 17.Ne4 fe4 18.Ne5 Ne5 19.fe5 Bf5 20.g4 Be6 21.Rf2 Rf8 22.Raf1 Rf2 23.Rf2 Rf8 24.Qa3 a6 25.Rf8 Kf8 26.Qc1 g5 27.h4 Kg7 28.hg5 hg5 29.Qf1 Qc8 30.Kg2?? Bg4–/+ 31.a4?? Be2 32.Qe2–/+ Qh8 33.b5 Qh4 34.ba6 ba6 35.Qa6 Qg4 36.Kf2 Qf3–+ 37.Kg1 Qe3 38.Kh2? Qd4 39.Qc6 Qe5 40.Kh1 e3 (40...e3 41.Qb5 e2–+) 0–1. orangutanb4 (2010) – nocnymarko (1665), kurnik, 2011.

5.Qb3 e6 6.d4 0–0 7.Nf3 d6 8.Be2 b6 9.0–0 Bb7 10.a4 Nbd7 11.b5 Ne4 12.a5 ba5 13.Ra5 Nb6 14.Nc3 c5 15.Rfa1 cd4 16.Nd4 Nc5 17.Qa2 e5 18.Nb3 Qg5 19.Bf1 Kh8 20.Nc5 dc5 21.Ra7 f4 22.e4 h5 23.Qa5 Ra7? 24.Qa7 f3 25.Qb7 Nc4 26.Bc1 Qg4 27.h3 Qh4 28.g3 Qf6 29.Nd5 Qd8 30.Ra7 Rg8 1–0. carocan (1610) – waltad, kurnik, 2011.

5.d4 d6 6.Be2 0–0 7.Nf3 c6 8.0–0 Na6 9.a3 Nc7 10.Nbd2 Kh8 11.Qb3 b5 12.Rac1 Be6 13.Qc2 bc4 14.Bc4 d5 15.Bd3+– Bd7 16.Ng5 Ne4+/– 17.Be4 fe4=+ 18.f4 h6 19.Nge4 de4–/+ 20.Qe4 Nd5 21.Qg6 Ne3 22.Rfe1 Nd5 23.Nc4 Qe8 24.Qe4? Rf4–+ 25.Qe2 Qf8 26.Ne5 Be8 27.Nc6 Bc6 28.Rc6 Rc8 29.Rc8 Qc8 30.g3 Rf7 31.Qe4 Qf5 32.Qe2 Qf3 33.Qf3 Rf3 34.Re6 Rd3 35.Kf1 Bd4?? 36.Bd4= Rd4 37.Rh6 Kg7 38.Ra6 Ne3 39.Ke2 Nc4 40.Ra7 Rd2 41.Ke1 Rh2 42.Re7+= Kf6 43.Ra7 Rh3 44.b5 Rg3= 45.a4 Rb3 46.Kd1 Rb2 47.Kc1 Rb4 48.Kc2 Nb6? 49.Kc3?? Ra4 50.Ra4 Na4 51.Kb4 Nb6 52.Kc5 Nd7 53.Kc6 Ke7 54.b6 Nb6 ½–½. ludice (1645) – elizabethymf, kurnik, 2011.

5.d4 d6 6.Nf3 0–0 7.Be2 Nbd7 8.0–0 Qe8 9.Qb3 c6 10.a4 h6 11.b5 Kh7 12.Ba3 c5 13.dc5 Nc5 14.Qc2 Nfe4 15.Bb2 Bd7 16.Nbd2 Qf7 17.Ne4 fe4 18.Nd2 Bf5 19.Bg7 Qg7 20.Nb3 Nd3 21.Nc1?? Nc1 22.Rfc1 Qe5 23.Bf1 Rac8 24.Qb3 Be6 25.Ra2 Rf5 26.Rac2 Rh5 27.g3 Rf5 28.Qb4 Rc5 29.a5 Rh5 30.Qc3 Qf6 31.Qf6 ef6 32.h4 Bg4 33.Rd2 d5 34.Rd4 Be6 35.Rb1 dc4=+ 36.Re4 Rhe5 37.Re5 fe5 38.Bg2 b6 39.ab6 ab6 40.Bc6 c3 41.Rc1 c2 42.Kf1 Bc4 43.Ke1 Bb5 44.Bb5 Rb5 45.Rc2 Rb1 46.Ke2 Rb4 47.Rc6 Kg7= 48.Re6 Rb5 49.Kf3 Kf7 50.Rc6 Rb3 51.Ke4 Rb5 52.Rc7 Kf6 53.Rh7 h5 54.Rb7 Ke6 55.Rb8 Kf6 56.Rf8 Kg7 57.Re8 Kf7 58.Re5+/– Kf6?? 59.Rb5+– g5 60.Rb6 (60.Rb6 Ke7 61.hg5 h4 62.Rb7 Kd6 63.gh4 Kc5 64.g6 Kc6 65.Rf7 Kb6 66.Rf6 Kb5 67.g7 Kb4 68.g8Q Kc3 69.Rc6 Kb4 70.Qc4 Ka3 71.Qb5 Ka2 72.Ra6) 1–0. carocan (1715) – ledzeppelin (1720), kurnik, 2011.

5.d4 Ne4 6.Nf3 c6 7.Bd3 Qb6 8.Qb3 a5 9.b5 a4 10.Qc2 Nf6 11.a3 d5 12.Nbd2 Ne4? 13.0–0 Nd7 14.c5 Qd8 15.b6 0–0 16.Nb1 Qe8 17.Nfd2 e5 18.Be4 fe4 19.f3 ed4 20.Bd4 Bd4 21.ed4 e3 22.Re1 Rf7? 23.Nf1+/– Re7 24.Nc3 Nf6 25.Re2 Bf5 26.Qb2 Bd3= 27.Rae1 Be2 28.Re2 Nh5 29.Qc1 Nf4 30.Re3 Re3 31.Qe3 Qe3 32.Ne3 Re8 33.Kf2 Nd3 34.Ke2 Nc1 35.Kd2 Nb3 36.Kd3 Na5 37.Na4 Nc4 38.Nc4+/– dc4 39.Kc4 Re2 40.d5 cd5 41.Kd5 Rg2 42.c6 Rd2 43.Kc4?? bc6? 44.Nc3?? Rd8? 45.a4 Kf7 46.Kc5 Ke7 47.b7 Kd7 48.a5?? Kc7=+ 49.a6 Rd3 50.Ne4? Rf3?? 51.Ng5?? Rc3 52.Kd4= Ra3?? 53.Ne6+– Kb8 54.Nc5 Kc7 55.Ne6 Kb8 56.Nc5 Ra6?? 57.Na6+– Kb7 58.Nc5 Kc7 59.Ne6 Kd6 60.Nf4 g5 61.Nh3 h6 62.Nf2 c5 63.Kc4 Kc6? 64.Ne4+– g4 65.Nc5 h5 66.Kd4 h4 67.Nd3 h3 68.Nf2 g3 (68...g3 69.hg3 h2+–). carocan (1790) – ezust (2075), kurnik, 2011.

5.d4 0–0

6.Be2 d6 7.Nf3 Qe8 8.0–0 a5 9.a3 ab4 10.ab4 Ra1 11.Ba1 Na6 12.b5 Nb8 13.d5 c6 14.Nc3 c5 15.Qa4 Nbd7 16.Ng5 Ne5 17.Nb1 h6 18.Be5 hg5 19.Ba1 Kf7 20.g3 Rh8 21.Nd2 Qg8 22.Nf3 Ne4 23.Bg7 Qg7= 24.Bd3 Qh6 25.h4?? gh4–+ 26.Nh4 g5 27.Be4 fe4 28.Qc2 gh4 29.Qe4 Qg6 30.Qg6 Kg6 31.Ra1 h3 32.Kh2 Kf6 33.f3 Ke5 34.g4 e6 35.de6 Be6 36.Rg1 Bc4 37.Rg3 Bb5 38.Rh3 Rh3 39.Kh3 Bd7 40.Kg3 b5 41.f4 Ke4 42.Kf2 b4 43.f5 b3 44.f6 Be6 45.Ke2 b2 (45...b2 46.Kd2 b1Q 47.g5 Qb2 48.Ke1 Ke3 49.g6 Qe2) 0–1. ludice (1715) – elokiller (1795), kurnik, 2011.

6.Nf3 b6 7.Be2 Bb7 8.0–0 d6 9.Nbd2 Nbd7 10.Qc2 Qe8 11.Bd3 c5 12.bc5 dc5 13.d5 e6 14.de6 Qe6 15.Rfd1 Rad8 16.Be2 Rfe8 17.h3 h6 18.Nb3 Qc6 19.Rd2 Ne4 20.Rd3 Ng5 21.Rad1 Qc7 22.Bg7 Kg7 23.Ng5+= hg5 24.Qd2 Bc6 25.Bf3 Bf3?? 26.Rd7+– Rd7 27.Qd7 Re7 28.Qc7 Rc7 29.gf3 a5 30.a4 Kf6 31.Rd6 Ke5 32.Rb6 Rd7 33.Nc5 Rd1 34.Kg2 g4 35.Re6 (35.f4) 1–0. carocan – waltad (1605), kurnik, 2011.

6.Nf3 b6 7.Be2 Bb7 8.0–0 h6 9.Nbd2 d6 10.Qc2 Nbd7 11.Nb3 Qe8 12.c5 Be4 13.Qc1 e5 14.c6 Nb8 15.de5 de5 16.Be5 Nc6 17.Bc7 Rc8 18.Bc4 Kh7 19.Bg3 Nb4–/+ 20.a3 Nd3 21.Qc3?? Nd5 22.Be5 Nc3 (22...Nc3 23.Bg7 Kg7 24.Bd3 Bd3–+) 0–1. carocan – waltad (1610), kurnik, 2011.

6.Nf3 d6 7.b5 Nbd7 8.Be2 c6 9.a4 Qe8 10.0–0 e5 11.Qb3 e4 12.Nfd2 Kh8 13.f4 d5 14.cd5 cd5 15.Nc3 Qf7 16.h3 Nb6 17.a5 Nbd7 18.Ba3 Rd8 19.Na4 b6 20.ab6 ab6 21.Bd6 Bb7 22.Be5 Bf8 23.Rac1 Rac8? 24.Kh2 Bg7 25.g4 fg4= 26.hg4 Qe7 27.g5 Ne8 28.Bg4 Ne5= 29.de5 Rc1 30.Rc1 d4 31.Nb6 de3 32.Qe3 Rd3–/+ 33.Qe2 Qb4?? 34.Nbc4 Bd5 35.Rb1 Qc3 36.b6+/– Bc4? 37.Nc4+– Qc4 38.b7 e3 39.b8Q Qf4 40.Kh1 Qe4 41.Bf3 Qh4 42.Kg1 Qf2 43.Qf2 ef2 44.Kf2 Rd2 45.Ke3 Rd3 46.Kd3 Kg8 47.Qe8 Bf8 48.Bd5 Kg7 49.Qf7 (49.Qf7 Kh8 50.Qf8; 49.Rb7 Be7 50.Re7) 1–0. carocan (1680) – ledzeppelin (1755), kurnik, 2011.

6.Nf3 d6 7.Be2 c5 8.dc5 dc5 9.Qd8 Rd8 10.b5 a6 11.a4 ab5 12.ab5 Ra1 13.Ba1 Nbd7 14.0–0 Nb6 15.Na3 Ne4 16.Bg7 Kg7 17.Rd1 Rd1 18.Bd1 Nc3 19.Bc2 e5 20.Nd2 Kf6 21.f3 Be6 22.Kf2 g5 23.Bb3 Nd7 24.g3 b6 25.Ke1 h5 26.Ndb1 Nb1 27.Nb1 f4 28.gf4 gf4 29.ef4 ef4–/+ 30.Nc3 Ne5 31.Ne4 Kf5 32.Nd2 Kg5 33.Kf2 Kh4 34.Kg2 Bf7 35.h3? Be6–+ 36.Kh2 Bh3 37.Bd1 Be6 38.Be2 Kg5 39.Kg2 h4 40.Kh2 Bf5 41.Kg2 Bd3 42.Bd3–/+ Nd3 43.Ne4 Kf5 44.Nd6 Ke5 45.Nc8 Kd4 46.Nb6 Ke3?? 47.Nd5+– Kd4 48.b6 Ne5 49.b7 Nc6 50.Nb6 Nb8 51.Kh3 Ke3 52.Kg4 h3 53.Nd5 Kf2 54.Kh3 Kf3 55.Nc3 Ke3 56.Kg2 Kd4 57.Ne2 Kc4 58.Nf4 Kb5 59.Kf3 Kb6 60.Ke4 Kb7 61.Kd5 Kb6 62.Kc4 Kc6 63.Nd5 Nd7 64.Nf6?? Kd6 65.Ne4 Kc6 66.Nd2 Kb6 67.Nb3 Kc6 68.Kc3 Ne5 69.Nc1 Kb5 70.Kc2 c4 71.Ne2 Kc5 72.Nf4 Kb5 73.Ne6 Kc6 74.Nd8. ludice (1840) – marcopolo60 (1645), kurnik, 2011.

6.Nf3 d6 7.Be2 Nbd7 8.0–0 Re8 9.Qb3 b6 10.Nbd2 Bb7 11.a4 Kh8 12.b5 Ne4 13.Ne4+– Be4 14.Nd2 e5+= 15.Bf3 Bf3 16.Nf3 e4 17.Nd2 Nf6 18.Qc2 Qe7 19.Rfd1 Rad8 20.Nb3 Qd7 21.c5 c6 22.cb6 cb5 23.ba7 ba4 24.Na5 Qa7 25.Ra4 Rc8 26.Qb3 Qb8 27.Ba3 Qb3 28.Nb3 Red8 29.Ra6 Bf8 30.Na5 Nd5 31.Nb7+= Rd7 32.Nd6 Bd6 33.Rd6 Rd6 34.Bd6 Kg7 35.Rb1 Kf6 36.Be5 Ke6 37.h4 Rd8 38.Rb7 Rd7 39.Rd7 Kd7+= 40.Bf4 h5 41.f3 ef3 42.gf3?? Nf4–/+ 43.ef4 Ke6 44.Kf2 Kd5 45.Ke3 Kc4 46.Kd2 Kd4=+ 47.Ke2 Kc3 48.Ke3 Kc4 49.Kd2 Kd4 50.Ke2 Kc3 51.Ke3 Kc2 52.Kd4?? Kd2–+ 53.Ke5 Ke3 54.Kf6 Kf3 55.Kg6 Kf4 56.Kh5= Kg3 57.Kg5 f4 58.h5 f3 59.h6 f2 60.h7 f1Q 61.h8Q Qf4 62.Kg6 Qg4 63.Kf7 Qd7 64.Kf6?? Qd4–+ 65.Kf7 Qh8 (65...Qh8 66.Ke7 Qd4 67.Kf7 Kf4 68.Ke6 Qd8 69.Kf7 Kf5 70.Kg7 Qd7 71.Kf8 Kf6 72.Kg8 Qg7#) 0–1. carocan (1750) – megatona (1905), kurnik, 2011.

6.Nf3 d6 7.Be2 h6 8.0–0 Be6 9.d5 Bf7 10.Qb3 Nbd7 11.Nc3 b6 12.Nd4 a5 13.Nc6+– Qe8 14.a3 e5? 15.de6 Qe6 16.Rad1 Kh7 17.Nd5 Nd5 18.cd5+– Qe8 19.Bg7 Kg7 20.Bb5 Rg8 21.Nd4 Qe7 22.Bd7 Qd7 23.Qc3 Kh7 24.Nf3 g5 25.Rfe1 ab4 26.ab4 Rae8 27.h3 Re4 28.Rd4 Rge8 29.Red1 Qe7 30.Re4 fe4 31.Nh2 Bg6 32.Ng4 Rf8 33.Rc1 Rf7 34.b5 h5 35.Nh2 Bf5 36.Nf1 g4 37.hg4 hg4 38.Ng3 Kg6 39.Nf5 Kf5 40.Qh8 Rh7 41.Qd4?? Qe5 42.Qe5= Ke5 43.Rd1 Rh8 44.g3 Ra8–/+ 45.Kg2 Ra5 46.Rc1 Rb5 47.Rc7 Rd5 48.Rg7 b5 49.Rg4 b4 50.Rg6 Rb5?? 51.Rg5+– Ke6 52.Rb5 Ke7 53.Rb4 Ke6. ludice (1610) – hassam (1705), kurnik, 2011.

5.Nf3 0–0

6.Qb3 c5 7.bc5 Nc6 8.Be2 e6 9.0–0 Qe7 10.Nc3 Ne4 11.d4 g5 12.Ne4 fe4 13.Nd2 e5 14.d5 Nd8 15.Ba3 Rf6 16.Ne4 Rh6 17.g3 Bf8 18.Bb2 Nf7 19.Qc2 b6 20.Bd3 bc5 21.f4 d6 22.Rf2 Bg7 23.Re1 Rb8 24.fg5 Ng5 25.Ng5 Qg5 26.Bc1 e4 27.Be4 Be5 28.Bf5 Bf5 29.Rf5 Qg6 30.Qf2 Rh5 31.Rh5 Qh5 32.Rf1 Bg7 33.Kg2 Qg4 34.Qf7 Kh8 35.Qf4 Qe2 36.Rf2 Qe1 37.Ba3 Rf8 38.Qf8 Bf8 39.Rf8 Kg7 40.Ra8 Qd2 41.Kh3 Qa5 42.Bb2 Kf7 43.Rh8 Qa2 44.Rh7 Kg8 45.Rg7 Kf8 46.Rb7 Qc4 47.Ra7 Qd5 48.Kg4 Qe4 49.Kg5 Qe3 50.Kg6 c4 51.Rc7 Qe6 52.Kg5 Qe2 53.Bf6 Qe3 54.Kg6 Qe4 55.Kg5 Qe3 56.Kg6 Qd3 57.Kg5 d5 58.Bg7 Ke8 59.Kf6 Qd4 60.Kf5 Qb6 61.Be5 Kd8 ½–½. Sass – Brueckner, 1991.

6.Qb3 d6 7.c5 e6 8.Ng5 d5 9.Be2 c6 10.0–0 Nbd7?? 11.d3?? b6 12.Ba3 bc5?? 13.bc5?? Ba6?? 14.Nc3?? Rb8 15.Qc2 Ng4?? 16.Ne6+/– Qe7? 17.Nf8+– Rf8 18.Bg4 fg4 19.Rab1 Ne5 20.Rfd1 Qf6 21.Bb2 Nf3?? 22.gf3 gf3 23.Ne4 Qh4 24.Ng3?? Bb2 25.Kh1+/– Be5 26.Qa4?? Bg3 27.Qh4 Bf2?? 28.Qf2+– 1–0. elsh1403 – najlik23, kurnik, 2011.

6.Qb3 d6 7.Be2 c6 8.0–0 Kh8 9.Ng5 h6 10.Nh3 g5 11.Kh1 e5 12.f4 g4 13.Ng1 ef4 14.ef4 Qe7 15.Nc3 Na6 16.Rae1 Ne4 17.Ne4 Qe4?? 18.Bg7 Kg7 19.Bg4! Qe1? 20.Re1 (20.Re1 fg4 21.Qd3+–) 1–0. orangutanb4 (2015) – nocnymarko (1730), kurnik, 2011.

6.d4 b6 7.Be2 d6 8.0–0 Nbd7 9.a4 Bb7 10.b5 Re8 11.Nbd2 e5 12.de5 de5 13.Qc2 Ne4 14.Ne4 Be4 15.Bd3 Bd3 16.Qd3 Nc5 17.Qc2 e4 18.Rfd1+= Qe7 19.Nd4 Nd3 20.Ba3 Qg5=+ 21.c5 Bd4 22.ed4 Nf4 23.g3 e3 24.fe3 Re3 25.Rf1 Re4?? 26.Bc1 Nh3+= 27.Kg2 Qh5 28.Ra2 Re2?? 29.Qe2+– (29.Qe2 Qe2 30.Re2+–) 1–0. carocan – waltad, kurnik, 2011.

6.Be2 d6 7.0–0 e5 8.d4 e4 9.Nfd2 Nc6 10.b5 Ne7 11.a4 Qe8 12.Nc3 g5 13.f4 gf4= 14.ef4 Be6 15.Re1 Bf7 16.Nf1 Bh5 17.Ne3+= Be2 18.Qe2 h5 19.Rad1 Bh6 20.g3 Ng4 21.Ng4 fg4?? 22.Ne4 Nf5 23.d5 Qg6 24.Nf2 Rae8+/– 25.Qd2 Re1 26.Re1 h4 27.Qc3?? Bg7+= 28.Qc2 hg3 29.Bg7?? Qg7?? 30.hg3= Ng3 31.Re6 Qa1 32.Nd1 Qd4= 33.Kg2 Nh5 34.Qg6 Ng7 35.Re7 Qd2?? 36.Nf2+– (36.Nf2 Qc3 37.Rc7 (37.Qg4?! Rf7 38.Re8 Rf8 39.Rf8 Kf8+–) 37...Qf3 38.Kf1+–) 1–0. carocan (1775) – kucapaca21 (1665), kurnik, 2011.

4.Nf3 Bg7

5.b5 0–0 6.Be2 d5 7.0–0 a6 8.c4 ab5 9.cb5 c6 10.a4 cb5 11.ab5 Ra1 12.Ba1 Ne4 13.Bg7 Kg7 14.Qb3 e6 15.d3 Ng5 16.Qc3 Kg8 17.Ng5 Qg5 18.Qe5 Bd7 19.Nc3 Qf6 20.Qf6 Rf6 21.d4 Rf8 22.Na4 Rc8 23.Nc5 Kf7 24.Nb7 Rc2 25.Re1 Ke7 26.Nc5 Be8 27.Bf1 Rb2 28.Ra1 Bb5 29.Bb5 Rb5 30.Ra7 Kf6 31.h4 h6 32.Rc7 e5 33.de5 Ke5 34.Nd3 Kf6 35.Kf1 Rb6 36.Nf4 Rd6 37.Rc5 d4 38.Nd5 Ke6 39.Nc7 Kd7 40.Nb5 Na6 41.Rc4 Rd5 42.Rd4 Rd4 43.Nd4 Ke7 44.h5 Kf6 45.hg6 Kg6 46.Ke2 Nc5 47.Kf3 h5 48.Ne2 Kg5 49.Nc3 Nd3 50.Ke2 Nc5 51.Nd5 h4 52.Nf4 ½–½. Dziel,Jaromir – Adamowski,Andrzej, corr 2AMM, Poland, 1994.

5.b5 0–0 6.Be2 d6 7.a4 e5 8.d4 e4 9.Nfd2 Nbd7 10.c4 h6 11.Nc3 Rf7 12.a5 Nf8 13.c5 g5 14.h4 Ng6 15.hg5+/– hg5 16.Qb3 d5 17.Bh5 Nh5+= 18.Rh5 a6 19.Qd5 Qd5 20.Nd5 ab5 21.Rg5 c6?? 22.Nb6+– (22.Nb6 Rb8 23.Rg6+–; 22.Rg6?! cd5 23.Rd6 Rd7+–) 1–0. KSose (2305) – Elakast (2305), ICC, 2002.

5.b5 b6 6.Bc4 Bb7 7.a4 e6 8.d3 0–0 9.0–0 h6 10.Nbd2 Kh7 11.Qe2 Qe8 12.e4 d5 13.e5 Ng8 14.Bb3 c5 15.d4 cd4 16.Ba3 Rf7 17.Nd4 Nd7 18.f4 Bf8 19.Bf8 Rf8 20.a5 Nc5 21.a6 Bc8 22.c4 Ne7 23.Rf3 Bd7 24.Re1 Nb3 25.Rb3 Rc8 26.cd5 Nd5 27.Nc4 Rc5 28.Nd6 Qb8 29.Qd2 Rg8 30.Rh3 Nc7 31.Nf7 Rd5? 32.Nh6 Nb5 33.Nhf5# 1–0. pierre – hgarjur, internet, 2007.

5.Bb5 c6 6.Ba4 d5 7.0–0 Qd6 8.a3 0–0 9.d3 b5 10.Bb3 Nbd7 11.h3 Bb7 12.Nbd2 a5 13.e4 fe4=+ 14.de4 e5 15.Re1=+ ab4 16.ab4= Ra1 17.Qa1 Ra8 18.Be5 Qb4 19.Qb2 Ne5=+ 20.Qe5 Re8 21.Qc7 Re7 22.Qb8 Ne8 23.ed5 cd5 24.Re4 Qa3 25.Qd8+= Re4 26.Bd5 Bd5 27.Qd5 Kh8 28.Qe4 Nf6 29.Qc6 Qb2 30.Nf1 h6 31.Ne1 b4 32.Nd3 Qd4 33.Nd2 Qc3 34.Qc3 bc3 35.Nc4 Ne4 36.Kf1 Kg8 37.Ke2 Bd4+= 38.Nde5 Nf2 39.Ng6 Kg7 40.Nf4 Kf6 41.Nd5 Ke6 42.Nde3 Ne4 43.Kd3+– Be3 44.Ne3 Ng3 45.Kc3 h5 46.Kd4 h4 47.c4 Kd6 48.c5 Ke6 49.Kc4 Ne4 50.Kb5 Nc3 51.Kb6 Na4 52.Kc6 Ke5 53.Nc2 Nc3 54.Kd7 Kf4 55.c6 Nd5 56.Kd6 Ke4 57.Nb4! (57.Nb4 Nb4 58.c7+–) 1–0. Rau,Johann – Benussi,Alberto, corr TKM/A009, 1999.

5.Nc3 e6 6.a3 0–0 7.Bc4 d5 8.Bb3 c6 9.0–0 Nbd7 10.Nd4 Ne4?? 11.Ne6+– Qe7 12.Nf8 Qf8 13.Rb1 Ng5 14.f4 Ne4 15.Ne4 fe4 16.Bg7 Kg7 17.d3 Nf6 18.c4 Bf5 19.d4 Rd8 20.cd5 cd5 21.Rc1 Rd7 22.Rc2 Qe7 23.Qc1 Ng4 24.h3 Nh6 25.Rc5 Qe6 26.Qc2 Bh3 27.gh3 Qh3 28.Qf2 Ng4+/– 29.Qg2 Qe3 30.Kh1 h5?? 31.Bd5 Qd4?? 32.Be4 b6 33.Rg5 Rd6 34.f5 Kh6 35.Rg6 Rg6 36.fg6 Qe5 37.Rf5 Qa1 38.Qg1 Qa3 39.g7 Qh3 40.Qh2 Qh2 0–1. erisonpassos – aurel56, kurnik, 2011.

5.c4 b6 6.Be2 Bb7 7.d4 0–0 8.0–0 Ne4 9.Nbd2 e6 10.Ne4 Be4 11.a4 a5 12.b5 d6 13.Nd2 Bb7 14.Bf3 Bf3 15.Qf3 Nd7 16.Rad1 Qe7 17.Qc6 Nf6 18.Rfe1 Qd7 19.e4 Qc6= 20.bc6 Ne4 21.Ne4 fe4 22.Re4 Rae8 23.Rde1 Kf7 24.Ba3 Re7 25.f4 Bf6 26.Kf2 h6 27.Ke3 g5 28.fg5 hg5 29.Kd3 Rh8 30.h3 Rh4 31.Bc1 Re4 32.Re4 e5 33.d5 Kg6 34.Re3 Rh7 35.g4 Be7 36.Ke4 Bf6 37.Rf3 Rh8 38.Be3 Re8 39.Bf2 Bg7 40.Be1 ½–½. Bendig,Frank – van Deursen,Peter, IECG, 2001.

5.c4 Nc6 6.b5+= Na5 7.Nc3 0–0= 8.Be2 h6 9.0–0 d6 10.Qa4 b6 11.Nh4 Qe8 12.Nd5+/– Bb7?? 13.Nc7+– Qd7 14.Na8 Ba8 15.Ng6 Rf7 16.d4 Ne4 17.Qb4 Qe6 18.Nf4 Qf6 19.f3 Qg5 20.fe4 Be4 21.Bf3 Bf3 22.Rf3 h5 23.Rg3 Qh4 24.Qe1 Qf6 25.Rg6 (25.Rg6 Qg6 26.Ng6 Nc4 27.Bc3+–) 1–0. pierre – ick, internet, 2011.

5.d4 0–0 6.c4 c6 7.Nc3 d5 8.cd5 Nd5 9.Bc4= Be6 10.Ng5 Bf7 11.a4 e6 12.h4 Nd7 13.0–0 Qe7 14.b5 Nc3 15.Bc3 Nb6 16.Bb3 cb5 17.ab5+= Rfc8 18.Ba5 Nc4 19.g3 Na5 20.Ra5 b6 21.Ra6+= h6 22.Nf7+/– Kf7 23.d5 Kf8 24.de6 Rc5 25.Qd7 Qd7 26.ed7 Ke7 27.Rd1 Rc7 28.h5 gh5 29.Be6+– f4 30.ef4 Rd8 31.Re1 Bd4 32.Re4 Bc5 33.Bf5 Kd6 34.Re6 Kd5 35.Rh6 Kc4 36.Rh5 Kb5 37.Ra2 a5 38.Rh7 a4 39.Rb2 Kc4 40.Be6 Kc3 41.Re2 a3 42.f5 b5 43.f6 b4 44.g4 Kd3 45.Kf1 Bf8 46.g5 Rc1 47.Re1 Re1 48.Ke1 Kc2 49.g6 b3 50.Rh4 b2 51.Bf5 Kc3 52.g7?? Bb4?? 53.Bb1+– Kb3 54.Rb4! Kb4 55.f7 Kb3 56.g8Q a2 57.f8Q Kc3 58.Qc5# (58.Qd8?? ab1Q 59.Ke2 Qd3 60.Ke1 b1Q#) 1–0. marus – TT3, internet, 2001.

5.d4 0–0 6.Bc4 d5 7.Bd3 Be6 8.0–0 Nbd7 9.Nbd2 Bf7 10.c4 e6 11.h3 c6 12.c5 b6 13.a4 a5 14.ba5 bc5=+ 15.dc5 Nc5 16.Qc2 Nd3 17.Qd3 Ra5 18.Rfc1 c5 19.Bc3 Ra8 20.Be5 Rc8 21.a5 c4 22.Qd4 Qe7 23.a6 Rfd8 24.a7 Ra8 25.Bb8? Nd7–+ 26.Qf4? Ba1 27.Ra1 Nb8 28.Nd4 Ra7 29.Rb1 Rb7 30.Ra1 Rb2 31.N2f3 c3 32.Ra8 e5! 33.Ne5 c2 34.Nc2 Rc2 35.Nf7 Qf7 36.Rb8 (36.Rb8 Rb8 37.Qb8 Kg7 38.Qe5 Qf6 39.Qd5 Qa1 40.Kh2 Rf2 41.Qb7 Kh6 42.Qe7–+). mihai740609 (1610) – waltad (1610), kurnik, 2011.

5.d4 Nc6 6.b5 Na5 +=.

5.d4 d6 6.Bd3 0–0 7.0–0 Nbd7 8.h3 e6 9.Nbd2 Qe7 10.c4 c6 11.Qc2 b6 12.Rac1 Bb7 13.a3 Rac8 14.Rfe1 h6 15.Nb3 Kh7 16.c5 Nd5 17.g3 e5 18.e4 bc5 19.ed5 e4? 20.Nfd2?? cd5 21.dc5+– dc5 22.Bg7 Qg7+= 23.Bb5 cb4 24.Qb2?? ba3 25.Qg7+– Kg7 26.Bd7 Rcd8 27.Ba4 Ba6 28.Rc7 Rf7 29.Rec1 Bd3 30.Rf7 Kf7 31.Rc7 Ke6 32.Ra7 Rc8?? 33.Bd7 Kd6 34.Bc8 1–0. mihai740609 – crazyhorse66 (1635), kurnik, 2011.

5.Be2 d5 6.0–0 0–0 7.c4 e6 8.Qb3 c6 9.Nc3 Qe7 10.b5 Ne4 11.cd5 ed5 12.Ba3 Nc5 13.Qc2 f4 14.bc6 Bf5?? 15.Nd5 Qd8 16.Qc5 Nc6 17.Nf4 Re8 18.Rac1 Rc8 19.Qb4 Nb4–/+ 20.Bb4 Be4 21.d3 Rc1 22.Rc1 Bc6 23.d4 a5 24.Ba3 Qd7 25.Bc4+/– Kh8 26.Ng5 Bf6 27.Nf7 Kg7 28.Nd6 b5?? 29.Bd5+– Bd5 30.Rc7!! Rd8 31.Nd5 Be7 32.Rd7 Rd7 33.Ne7 b4 34.Nec8 ba3 35.e4 Kf8 36.e5 Rc7 37.f3 Rc2 38.e6 Ra2 (38...Rc7+–) 1–0. aschellen (1910) – solipsismus, internet, 2006.

5.c4 0–0

6.d3 d6 7.Nc3 e5 8.g3 (8.Be2 Qe8=) 8...c6 (8...e4 9.de4 Ne4 10.Qb3=) 9.Bg2 Na6 (9...e4 10.de4 fe4 11.Nd4=) 10.a3 Qe7 11.0–0 Nh5 (11...Nc7 12.Rc1=) 12.Qe2 Be6 13.Nd2 Nc7 14.f4 (14.b5 Rab8=) 14...Rae8 (14...ef4 15.gf4 Rad8 16.Nf3=) 15.Rae1 ef4 16.ef4? (better is 16.gf4 Bc8 17.Qf2=) 16...Bd4–+ 17.Kh1 (17.Rf2 Qg7 18.Rc1 Bc4–+) 17...Qg7 18.Ndb1 (18.Nce4 Bb2 19.Nd6 Ba3 20.Ne8 Re8–+) 18...Ng3! 19.hg3 Qh6 20.Bh3 Bd5! (20...Qh3 21.Qh2 Qh2 22.Kh2–/+) 21.Ne4 (21.cd5 Re2) 21...Qh3 (better is 21...Re4 22.Kh2 Re2 23.Re2–+) 22.Qh2 Be4 (22...Be4 23.de4 Qh2 24.Kh2 Bb2 25.ef5 gf5–+) 0–1. Schild,Christoph (2275) – Blum,Ralph, Frankfurt–ch, 2012. (=1.Nf3 f5 2.b4 Nf6 3.e3 g6 4.Bb2 Bg7 5.c4 0–0)

6.d4 d6 7.Bd3 c5 8.a3 b6 9.0–0 Bb7 10.Nbd2 Nbd7 11.Qc2 Rc8 12.Rac1 e6+= 13.Qb3 d5 14.Rcd1 Ne4 15.Rfe1 Ndf6 16.Ne5 Nd2 17.Rd2 Ne4 18.Rdd1 Be5 19.de5 Qh4 20.g3 Qe7 21.b5 Ng5 22.Be2 Nf7 23.a4 Ba8 24.Bf3?? dc4–+ 25.Qc4 Bf3 26.Rd2 Ba8 27.Rf1 Ng5 28.f4 Nh3 0–1. futsalboy (1725) – waltad (1615), kurnik, 2011.

6.d4 d6 7.Be2 Qe8 8.Nbd2 Na6 9.a3 Nd7 10.0–0 e5 11.de5 de5 12.c5 e4 13.Bg7 Kg7 14.Nd4 Ne5 15.Nc4 Nc4 16.Bc4 Nb8 17.Qb3 Nd7?? 18.Ne6+– Kh6 19.Nf8 Qf8 20.Rad1 Ne5 21.Rd4 Bd7 22.Rfd1 a6 23.Rd7 Nd7 24.Rd7 Rc8 25.Be6 Re8 26.Rc7 Qf6 27.Bc4 b5 28.cb6! Re6 29.b7 a5 30.b8Q ab4 31.ab4 Qe5 32.Rh7! Kh7 33.Qe5 Re5 34.Bb5! (34.Bb5 Rb5 35.Qf7 Kh6 36.Qe8+–) 1–0. Fournier,Frederic (1900) – landek (1925), Active ajedrez21.com, 2005.

6.d4 e6 7.Nc3 d6 8.Be2 Qe7 9.0–0 c6 10.a4 b6 11.a5 Bb7 12.Qb3 d5 13.b5+/– 1–0. wiking – xadrez_e_vida, internet, 2009.

6.Be2 d6 7.d4 c6 8.Nbd2 Na6 9.Qb3 Nc7 10.0–0 a5 11.a3 Ne4 12.Ne4 fe4+= 13.Nd2 a4 14.Qa2 Bf5 15.g4 Be6 16.Ne4 Qd7 17.h3 h6 18.Rac1 b5 19.Ba1 (19.Ba1 Qe8 20.g5+/–; 19.f4 bc4 20.Bc4 Bd5+/–) 1–0. Bendig,Frank – McAleenan,Charles, corr or01–001 E–mail, 2001.

6.Be2 d6 7.d4 Nc6 8.b5+= Nb8 9.Nbd2 Nbd7 10.0–0 e5 11.de5 Ng4 12.Nd4 Nde5= 13.h3 Nf6 14.Qb3 Kh8 15.N2f3 Ne4 16.Rfd1 Nc5 17.Qc2 Qe7 18.Ba3 f4 19.Ne5 Be5 20.ef4 Rf4–/+ 21.Bb2 Qf6–+ 22.Qd2 Rf2 23.Rf1=+ Rg2?? 24.Kg2+– Qh4 25.Rf3 Bg4 26.Raf1 Kg7?? 27.Nb3 Bf3+/– 28.Rf3 Nd7 29.Be5 Ne5+/– 30.Rf2 Nc4? 31.Qc3+– Ne5 32.Qc7 Kh6 33.Qd6 Qg5 34.Kh2 Rd8 35.Qf6 Rc8 36.Qg5 Kg5 37.Kg3 (37.Kg3 Rc2 38.Bf3 Rf2 39.Kf2+–; 37.Nd4 Re8+–) 1–0. Kreuzer – Metz, tt Verb'Liga, 1982.

5.c4 d6

6.d4 0–0 7.Nc3 c5 8.bc5 dc5 9.Be2 Nc6 10.0–0 Ne4 11.Rb1 e6 12.Ne4 fe4 13.Ne5 Ne5 14.de5 b6 15.Qd6 Qe8 16.f4 Rf7 17.Bg4 Bf8 (17...Bf8 18.Qd2 Qa4=). Papakosmas,Lambros – Benussi,Alberto, corr TKM/A009, 1999.

6.d4 0–0 7.Nc3 c6 8.Be2 Nbd7 9.0–0 e5 10.a4 e4 11.Nd2 Qe7 12.Re1 d5 13.b5 Qf7 14.Rc1 Kh8 15.Ba3 Rd8 16.Qb3 Bf8 17.Rc2 g5 18.Rec1 Ba3 19.Qa3 Nf8 20.bc6 bc6 21.cd5 cd5 22.Nb5 Be6 23.Nc7 Rab8 24.Nb3 N6d7 25.Na5+– Nb6 26.Ne6 Ne6 27.Nc6 f4 28.Nb8 Rb8 29.Qd6 Rd8 30.Qe5 Kg8 31.a5 (31.a5 Nd7 32.Qd5+–) 1–0. Schiefelbusch,D (2135) – Quast,M (2145), Sparkassen Open A, Dortmund GER, 2010.

6.d4 0–0 7.Nbd2 Nbd7 8.Qb3 Qe8 9.Be2 h6 10.h4 e5 11.c5 Kh8 12.cd6 cd6 13.de5 de5 14.Bb5 Ng4 15.Nc4 a6 16.Bd7 Bd7=+ 17.0–0 Bc6 18.Nh2 Qe7 19.g3 Bf6 20.Nb6 Bh4?? 21.Ng4+– fg4 22.Na8 Qf6 23.e4 Be4 24.Qe3 Qc6 25.Qh6 Kg8 26.Rac1 Qf6 27.Qh4 Qf3 28.Qh2 Rf5 29.Rc8 Kf7 30.Qh7 Kf6 31.Rf8 Ke6+– 32.Re8 Kd5 33.Qb7 Kc4+– 34.Qa6 Kb4 35.Rb8 Kc5 36.Rc8 Kd5 37.Nc7 (37.Nc7 Kc5 38.Ne6 Kd5 39.Qc6#; 37.Qc6#) 1–0. Jalo,Pentti – Keskinen,Sauli, Helsinki Club–ch, 1992.

6.d4 0–0 7.Be2 c6 8.Nc3 Na6 9.Qb3 Nc7 10.0–0 Kh8 11.d5 Qe8 12.Rfd1 Bd7 13.a4 h6 14.dc6 bc6 15.b5 Ne6 16.Nd4 Nc5 17.Qc2 cb5 (17...Nfe4 18.Rab1+=) 18.ab5+/– g5 (18...Qf7!?+/–) 19.Bf3+– (19.Nf5 Bf5 20.Qf5 Nfe4–/+) 19...Nfe4 20.Ne4 fe4 21.Be4 Ne4 22.Qe4 Qf7 23.Rd2 Qc4 (better is 23...g4+–) 24.Qe7 Rf7 25.Qd6 Bf8 (25...Re8+–) 26.Ne6 Kh7 27.Nf8 Raf8 28.Ra6 Rf6 (28...Qe6 29.Qe6 Be6 30.Re6+–) 29.Bf6 (better is 29.Qd7 R6f7 30.Qh3 Rf6 31.Rd7 Kg8+–) 29...Rf6 (29...Bb5 30.Rd1 Qf7 31.Ra7 Qa7 32.Qf8+–) 30.Qd7 (30.Qd7 Rf7 31.Rc6+–) 1–0. Cocchi,A (2240) – Bentivegna,F (2340), 70th ch–ITA S/F, Torino ITA, 2010. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7)

6.d4 c6 7.Be2 Na6 8.Qb3 Nc7 9.Nbd2 Bd7 10.h4 e6 11.Ng5 h6 12.Ngf3 Qe7 13.c5 Ng4 14.Nc4 0–0?? 15.cd6+– (15.cd6 Qd8 16.dc7 Qc7 17.Rc1+–; 15.Nd6?! Nd5+–) 1–0. Lanca,Ivan (2105) – Bembenek,Osvald (1770), Ostrava op–B, 2003.

5.Bc4 d5

6.Bb3 0–0 7.0–0 c6 8.c4 e6 9.d3 Nbd7 10.Nbd2 Qc7 11.Rc1 Qb8 12.Qc2 e5 13.cd5 Nd5?? 14.e4+– N7f6 15.ed5 Nd5 16.Rfe1 Re8 17.a3 Kh8 18.Ng5 Be6 19.Ne6 Re6 20.Nf3 1–0. bratek55 (1700) – cocour (1705), kurnik, 2011.

6.Bb3 0–0 7.0–0 h6 8.d3 Kh7 9.Nbd2 c6 10.c4 Nbd7 11.Rc1 e5 12.Qc2 e4 13.de4 fe4 14.Ne5 Ne5 15.Be5 Qe7 16.Bc3 Be6 17.c5 a6 18.f4 ef3 19.Nf3 Bf5 20.Qd2? Rae8?? 21.Rce1?? Ne4–+ 22.Bg7 Nd2 23.Nd2 Qg7 24.h3 Bd3 25.Rf3 Rf3 26.Nf3 Be4 27.Nd4 Qe5 28.Bd1 Qg3 29.Re2 Rf8 30.Ne6 Rf6 31.Nf4 Rf4 32.ef4 Qf4 33.Rf2 Qe3 34.Kf1 Bd3 35.Kg1 Qe1 (35...Qe1 36.Kh2 Qf2 37.Bg4 Be4 38.Bf3 Bf3 39.b5 Qg2) 0–1. bratek55 (1640) – miro59 (1790), kurnik, 2011.

6.Bb3 0–0 7.0–0 h6 8.d3 Kh7 9.Nbd2 c6 10.c4 Nbd7 11.Rc1 Qe8 12.Nd4 e5 13.N4f3 e4 14.de4 fe4 15.Nd4 Ne5 16.cd5 cd5 17.Rc7 Rf7 18.Qc2 Nd3 19.Rf7 Qf7 20.f4?? Bg4?? 21.Ba1?? Rc8 22.Qb1 Qe7 23.h3 Bd7 24.a3=+ a5 25.Bc2 ab4 26.Bd3 ed3 27.Qb4 Qb4 28.ab4 Ne4 29.N2f3 d2 30.Rd1?? Rc1 0–1. bratek55 (1685) – miro59 (1740), kurnik, 2011.

6.Bb3 0–0 7.c4 e6 8.0–0 c6 9.d3 Na6 10.a3 Nc7 11.Nbd2 a5 12.Qe2 ab4 13.ab4 Ra1 14.Ra1 b5 15.Ne5 bc4 16.dc4 Bb7 17.Ba4 Qe8 18.Nb3+/– Ne4 19.Na5 Ba8 20.Bc6 Bc6 21.Nac6 f4 22.ef4 Rf4 23.f3 Nd6 24.Ra7 Rf7 25.Nf7 Qc6 26.Nd6 Bb2 27.Qb2 Qb6 28.Qf2 Qd6 29.c5 Qf4 30.g3 Qc1 31.Kg2 Nb5 32.Rb7 Qc4 33.Qb2 Nc3 (33...Qd4 34.Qa2 Na7 35.Rb8 Nc8 36.Rc8 Kg7 37.Qa7 Kh6 38.Rc7 Qb2 39.Kh3+–) 1–0. Kossobudzki,Robert – Adamowski,Andrzej, corr 2AMM Poland, 1993.

6.Bb3 Na6 7.a3 c5 8.c3 0–0 9.d3 Qe8 10.0–0 e5 11.Re1 e4 12.de4 fe4 13.Nfd2 Be6 14.Nf1 Ng4 15.Re2 Qf7 16.Qe1 Ne5 17.Rc2 Nd3–+ 18.Qd2 (18...b5 19.a4–+). Wallace,Gary – McAleenan,Charles, corr or01–001 E–mail, 2001.

6.Bb3 c6 7.0–0 Kf8 8.c4 e6 9.Nc3 Ne4 10.a4 Nc3 11.dc3 Nd7 12.b5 Ne5 13.Ba3 Kf7 14.cd5 cd5 15.Rc1 Qc7 16.Ne5 Be5 17.c4 Bh2 18.Kh1 Qe5? 19.cd5+– ed5 20.Bd5 Be6 21.Bb7 Rad8 22.Qf3 Rd2 23.Rc5 Qb8 24.Qc6 Bd6+= 25.Rc3 Bd5?? 26.Qd7+– Kf6 27.Bd6 Qd8 28.Qc8 Qd6 29.Qh8 Kg5 30.Qh7 Qf6 31.Bd5 Rd5 32.f4 Kg4 33.Qh3 1–0. elsh1403 – nocnymarko (1685), kurnik, 2011.

6.Bb3 e6 7.0–0 0–0 8.c4 c6 9.d3 Nbd7 10.Nbd2 a5 11.a3 ab4 12.ab4 Ra1 13.Qa1 Nh5 14.Bg7 Ng7 15.e4 Nf6 16.ed5 ed5 17.Nd4 Ne6 18.N2f3 Nf4 19.Qd1 Kh8 20.g3 Nh3 21.Kg2 f4 22.Re1 Nh5 23.Ne6?? Be6–+ 24.Re6 fg3 25.hg3 N5f4! 26.Kf1 Ne6 27.cd5 Neg5 28.Ng5 Ng5 29.Qa1 Qf6 30.Qf6 Rf6 31.dc6 bc6 32.f4 Nf3 33.Kg2 Nd4 34.Bd1 Kg7 35.Ba4 Re6 36.Kf2 Kf6 37.g4 h5 38.g5 Kf5 39.Bb3 Kf4 40.Be6 Ne6 41.Kg2 Ng5 42.d4 Ne6 43.d5 cd5 44.b5 Nc5 45.Kh3 d4 46.Kg2 d3 47.Kf2 h4 48.b6 h3 49.Ke1 h2 50.Kd2–+ Ke4 51.Kc3 h1Q 52.Kc4 Qc1 53.Kb5 Kd5 54.b7 Qb2 55.Ka5 Qa2 56.Kb6 Nb7! 57.Kb7 Qb3 58.Kc7 Qb5 59.Kd8 (59.Kc8 Qb6 60.Kd7 Qb7 61.Kd8 Kd6 62.Ke8 Qe7) ½–½. bratek55 – parijo (1655), kurnik, 2011.

6.Bb3 e6 7.0–0 0–0 8.d3 h6 9.Nbd2 Kh7 10.c4 c6 11.Rc1 Qe7 12.a3 Nbd7 13.Ne5 Ne5 14.Be5 Bd7 15.Nf3 Rac8 16.cd5 ed5 17.Qc2 Rfe8 18.Qc5 Qc5 19.Rc5 g5 20.h3 Kg6 21.Rfc1 Bf8 22.R5c2 Nh5 23.Bb2 Bd6 24.Ne5?? Be5–+ 25.d4 Bd6 26.Re2 f4 27.Bc2 Bf5 28.Bf5 Kf5 29.Rce1 fe3 30.fe3?? Ke4 31.Bc1 Rf8 32.g4 Ng7 33.Rf2 Rf2 34.Kf2 Rf8 35.Kg2 h5 36.b5 h4 37.bc6 bc6 38.Bd2 Ba3 39.Ra1 Bb2 40.Ra7 Ne6 41.Re7 Rf6 42.Re8 Bd4! 43.ed4 Kd4 44.Bc1 Kd3 45.Bb2? d4 46.Bc1 c5 47.Ra8 c4 48.Ra5 Rg6 49.Kf3 c3 50.Ra3 Kc2 51.Ra1 d3 52.Be3 Rf6 53.Ke4 d2 54.Bd2 cd2 55.Ra2 Kc1 56.Ra1 Kb2 57.Rh1 Rf2 58.Ke5 Re2 59.Kf5 Re1 60.Rh2 Kc1 61.Rd2 Kd2 62.Kf6 Kd3 63.Kf5 Kd4 64.Kf6 Kd5 65.Kf5 Re5 66.Kg6 Kd6 67.Kf6 (67.Kf6 Nf4 68.Kf7 Nh3 69.Kf8 Re7 70.Kg8 Nf2 71.Kf8 h3 72.Kg8 h2 73.Kf8 h1Q 74.Kg8 Qa8; 67.Kf7 Nf4 68.Kf6 Nh3 69.Kg7 Nf2 70.Kf7 h3 71.Kf6 Ng4 72.Kg7 h2 73.Kh7 h1Q 74.Kg7 Qh6 75.Kg8 Nf6 76.Kf7 Re7). bratek55 (1680) – miro59 (1745), kurnik, 2011.

6.Bb3 e6 7.d3 0–0 8.0–0 c6 9.Re1. coora – yannigator (1995), net–chess.com, 2011.

6.Bb5 Bd7 7.Bd7 Nbd7 =.

5.Bc4 e6

6.0–0 0–0 7.d3 b6 8.Nbd2 Bb7 9.Bb3 Qe7 10.a3 d5 11.c4 Nbd7 12.Rc1 c5 13.b5 Rac8 14.Qe2 e5 15.cd5 Bd5 16.Bd5 Nd5 17.Nc4 Rce8 18.Qc2 Nc7 19.Qb3 Kh8 20.Rfd1 e4 21.de4 fe4 22.Bg7 Qg7 23.Ng5 Qf6 24.Nh3 Ne5 25.Ne5 Qe5 26.Qc3?? Nb5 27.Qe5 Re5 28.a4 Nc7 29.Rd7 Ne6 30.Ra7= Rd5 31.Rb7 Rd2 32.Rb6+/– Ng5? 33.Rf1 Nh3= 34.gh3 c4 35.Rc6 Rd5?? 36.Rc4+– Rg5 37.Kh1 Rgf5 38.Rc2 Ra5 39.Ra2 Rfa8 40.Kg2 Ra4 41.Ra4 Ra4 42.Kg3 Kg7 43.Kf4 Kf6 44.Rb1 g5 45.Kg3 1–0. bratek55 – waltad (1650), kurnik, 2011.

6.0–0 0–0 7.d3 b6 8.Nbd2 Bb7 9.Bb3 Qe7 10.a3 d5 11.Ne5 Nbd7 12.Ndf3 c5 13.Nd7 Nd7 14.Bg7 Qg7 15.c4 Ne5 16.Ne5 Qe5 17.d4 cd4 18.Qd4 Qd4 19.ed4 Rfd8 20.c5 a5 21.b5 a4 22.Bd1 Ra5 23.c6 Bc8 24.Be2 e5 25.de5 Be6 26.Rac1 d4 27.Bc4 Bc4+/– 28.Rc4 Rb5 29.c7 Rc8 30.f4 Rc5 31.Ra4 R8c7 32.Rd4 Rc4 33.Rc4 Rc4 34.g3 Ra4 35.Rb1 Ra6 36.Kf2 Kf7 37.Rb3 g5 38.Ke3 Ke6 39.Kd4 Ra4 40.Ke3 Ra6 41.h3 h5 42.Rc3 b5 43.Rb3 Ra4 44.Rc3 Kd5?? 45.Rd3+– Kc4?? 46.e6 Ra7? 47.Rd4 Kc3? 48.Rd5+– Re7 49.Re5 Kb3 50.Rb5 Ka3 51.Re5 Kb3 52.Kd4 Kc2 53.Kd5 Kd3 54.Kd6 Ra7 55.fg5 1–0. bratek55 (1625) – waltad (1615), kurnik, 2011.

6.0–0 0–0 7.d3 Qe7 8.a3 d5 9.Bb3 b6 10.Nbd2 c5 11.bc5 bc5 12.c4 Bb7 13.Ne5 Nc6 14.Nc6 Bc6 15.Nf3 Rab8 16.Ne5 Ba8 17.Rb1 Rfd8 18.cd5 ed5 19.f4 Kh8 20.Ba2 Ng4 21.Qe2 Ne5 22.Be5 Be5 23.fe5 Qe5 24.Rb8 Rb8 25.Rb1 Rb1 26.Bb1 d4 27.e4 c4! 28.dc4 fe4 29.Qg4 Qc5 30.Be4 d3 31.Kf1 Qc4 32.Bf3 Qf7?? 33.Ke1?? Bf3 34.Qf3 Qf3 35.gf3 Kg7 36.Kd2 Kf6 37.Kd3 Kf5 38.Ke3 Kg5 39.a4 Kh4 40.Kf2 h5 41.Kg2 Kg5 42.Kg3 h4 (42...h4 43.Kg2 a6=+). bratek55 (1620) – waltad (1620), kurnik, 2011.

6.0–0 0–0 7.d3 Qe7 8.a3 d5 9.Bb3 Nbd7 10.Nbd2 e5 11.c4 c6 12.cd5 cd5 13.Rc1 Qd6 14.e4 Kh8 15.ed5 Nd5 16.Nc4 Qb8 17.Re1 Re8 18.Ng5 h6?? 19.Nf7 Kh7 20.Ncd6 Re6 21.Bd5 Rd6 22.Nd6 Qd6 23.Ba2 b6 24.Qb3 Bb7 25.Qe6 Qd3 26.Rcd1 (26.Rcd1 Bd5 27.Bd5+–) 1–0. bratek55 (1620) – waltad (1615), kurnik, 2011.

6.0–0+= b6 7.Bb3 Bb7 8.d3 Qe7 9.Nbd2 Qb4=+ 10.c4 Qe7 11.h3 0–0 12.Rc1 c5 13.d4 d6 14.Re1 Nbd7 15.Nf1 Nh5 16.Bc3 g5 17.d5 Bc3 18.Rc3 Qg7 19.de6? g4 20.hg4 fg4 21.ed7?? gf3–+ 22.g3 Qc3 (22...Qc3 23.Qa1 Qa1 24.Ra1 Rad8–+) 0–1. Preusse,Goetz – Lueckert,Bernd, corr DDR–ch MG10, 1990.

6.0–0 d5 7.Bb3 0–0 8.d3 c6 9.Nbd2 h6 10.c4 Kh7 11.Rc1 Na6 12.a3 Nc7 13.Ne5 Qe7 14.f4 Nce8 15.Ndf3 Nd6 16.h3 Nd7 17.Nd7 Bd7 18.Bg7 Qg7 19.Ne5 Be8 20.Kh2 Nf7 21.Nf3 g5 22.Nd4 Bd7 23.Rg1?? Rg8?? 24.g4 fg4 25.hg4?? e5 26.Nf5 Bf5 27.gf5 ef4 28.ef4 dc4 29.Bc4 Nd6?? 30.fg5 hg5? 31.Qh5+– Qh6 32.Qh6 Kh6 33.Bg8 Rg8 34.Rgf1 Rf8 35.f6 Kg6+= 36.Kg3 Nf5 37.Kg4?? Ne3–+ 38.Kf3? Nf1 39.Rf1 Rf6 40.Ke2 Rf1 41.Kf1 Kf5 42.Kf2 Kf4 43.d4 Ke4 (43...Ke4–+) 0–1. bratek55 (1710) – miro59 (1715), kurnik, 2011.

6.0–0 d5 7.Bb3 c6 8.c4 0–0 9.cd5 cd5 10.Ng5 h6 11.Nh3 a6 12.d3 Nc6 13.Nf4 g5 14.Ng6 Re8 15.Qd2 Kh7 16.Ne5 Ne5 17.Be5 Nd7 18.Bg7 Kg7 19.Qb2 Qf6 20.d4 Nb6 21.Nd2 Bd7 22.a4 Nc8 23.f3 Nd6 24.Bc2 Rac8 25.e4 Nc4 26.Nc4 Rc4 27.e5 Qe7 28.g4?? Qb4 29.Qb4 Rb4 30.gf5 ef5 31.Rfd1 Rc8 32.Bb1 Rcc4 33.Re1 Be6 34.h4 Rd4 35.hg5 hg5 36.Ra2 Ra4 37.Ra4 Ra4 38.Kf2 g4 39.fg4 fg4 40.Kg3 Kh6 41.Rh1 Kg5 42.Rh7 Ra3 43.Kg2 Rb3 (43...Rb3 44.Re7 Kf4 45.Re6 Rb2 46.Kf1 Rb1 47.Kg2 Rb2 48.Kf1 d4–+) 0–1. elsh1403 – savaludaglava, kurnik, 2011.

6.d4 Qe7 7.a3 d5 8.Bd3 Ne4 9.c4 c6 (9...a5 10.b5=) 10.0–0 0–0 11.Ne5 (11.Nbd2 Nd7+=) 11...Nd7= 12.Nd7 Bd7 13.Nd2 g5 (13...a5 14.ba5 Ra5 15.f3 Nd2 16.Qd2=) 14.Nf3 (14.f3 Nd2 15.Qd2 e5+=) 14...Rad8 (14...dc4 15.Bc4 a5 16.ba5 Ra5 17.Ne5=) 15.Qc2 White prepares c5 15...Be8 (15...g4 16.Ne5+=) 16.Rad1 (16.cd5 cd5 17.Ne5 Nd6+=) 16...Bh5= 17.Be2 (17.cd5 Rd5 18.Rc1 Bf3 19.gf3 Nd6=) 17...Bf3 (17...Rc8 18.Rfe1=) 18.Bf3 (18.gf3 Nf6+=) 18...Nd6 19.c5 (19.cd5 g4 20.Be2 cd5=) 19...Ne8 (19...Nc4 20.a4=) 20.g3 (20.Be2 g4+=) 20...g4 21.Bg2 h5 22.f3 gf3 23.Bf3 Nf6 (23...h4 24.Kh1=) 24.Qe2 Qf7 25.Rf2 Bh6 26.Bc1 (26.Rg2 Kh7+=) 26...Qg6 (26...Ne4 27.Be4 de4 28.b5=) 27.Rg2+= Kh7 28.Kh1 (28.b5 Qf7+=) 28...Rd7 29.Rdg1 (29.a4 Re8 30.a5 a6+=) 29...Rg7 30.Qd1 Rfg8 31.Qe2 Ng4 (31...Rf8 32.a4+=) 32.Bd2 Qe8 (32...Re7 33.b5=) 33.Bg4 (33.Rf1!?+=) 33...Rg4= 34.Qf3 Qg6 35.Qe2 Re4 36.Qf3 (36.b5 e5 37.de5 Re8+=) 36...a6 37.Re1 Bg7 38.Bc3 Bf6 Black intends h4 39.Ree2 (39.h3 Qh6+=) 39...Qh6 Black prepares the advance h4 40.Qf1 (40.Bd2 Kg6+=) 40...h4–/+ 41.Bd2? (41.gh4 Rg2 (41...Re3?! 42.Rg8 Re2 43.Qe2 Kg8 44.Qe6 Kg7 45.Qd7 Kg6 46.Qe8 Kg7 47.Qd7 Kg6 48.h5 Qh5 49.Qe8 Kh6 50.Bd2 Bg5 51.Qh8 Kg6 52.Qe8 Kh6 53.Qh8 Kg6 54.Qe8 Kh6=; 41...Bh4?! 42.Rg8 Kg8 43.Qh3–/+) 42.Qg2 Qh5–/+) 41...Qh5 (41...hg3 42.Qf3 Qh3 43.Be1–+) 42.Re1? (better is 42.gh4 Rh4 43.Rg8 Kg8 44.Rg2 Kf7 45.Qe2–/+) 42...Reg4 (42...hg3 43.Qe2 Qh6 44.Qf3–+) 43.Qf3 hg3 44.Rg3 Qh6?? (better is 44...Bh4 45.Rg2 Be1 46.Be1 Kg6–+) 45.Rg4+= Rg4 46.Rg1 (46.Re2 Bd8–/+) 46...Rg1–/+ 47.Kg1 Bd4! 48.Qg3 (48.ed4 Qg7 Double attack (48...Qd2 Pinning; 48...Qd2 Deflection; 48...Qg7 Decoy)) 48...Bf6 49.Qc7 (49.Qd6 Qh5 50.Qd7 Kh8 51.Qc8 Kg7–+) 49...Qg7 50.Qg7 Kg7 51.Kf2 Kg6 52.Kf3 Be5 53.h3 Kh5 54.a4 Kh4 55.Kg2 Bb2 56.Be1 Kh5 57.Kf3 e5 Black prepares d4 58.Ke2 (58.a5 d4 59.ed4 Bd4–+) 58...d4 59.ed4 Bd4 60.Kd3 (60.Kf3 Kg5 61.h4 Kg6–+) 60...a5! 61.Kc4 (61.ba5 Bc5 Deflection) 61...ab4 62.Bb4 (62.Bd2 f4 63.Bb4 f3–+) 62...f4 63.Bc3 (63.Kd3 f3 64.Be1–+) 63...Bc3 64.Kc3 e4 65.Kd4 e3 (65...e3 66.Kd3 Kh4–+) 0–1. Bah,Ismael (1745) – Stratonowitsch,Andre (2120), Saint Denis REU, 2014. (=1.Nf3 f5 2.e3 Nf6 3.b4 g6 4.Bb2 Bg7 5.Bc4 e6)

5.Be2 0–0

6.0–0 d5 7.c4 c6 8.Nc3 Na6 9.cd5 cd5 10.Qb3 Nc7 11.Rac1 Be6 12.Na4 b6 13.Be5 Rc8 14.Nd4 Bf7?? 15.Nc6+– Qd7 16.Na7 Na8 17.Nc8 Rc8 18.Bb5! Qb7 19.Rc8 Qc8 20.Qc3 Qe6 21.Rc1 Ne4 22.Qc8 Bf8 23.Qe6 Be6 24.Bc6 b5 25.Nc5 Nc5 26.bc5 d4 27.ed4 Ba2 28.Ba8 1–0. Fournier,Frederic (2440) – Kyaw Zay Ya (2110), chess.com (World League Super Cup), 2010.

6.c4 d6 7.d4 c6 8.0–0 Qc7 9.c5 10.a3 Na6 11.cd6 ed6 12.b5 cb5 13.Bb5 Qb6 14.Nc3 Nc7 15.Qb3 Be6= 16.Qa4 Nb5 17.Nb5 Nd5 18.Rab1 Rfc8 19.Ng5 Bd7 20.Ba1 Qc6 21.Qb3 h6? 22.Nf3?? Kh7 23.a4 Bf8 24.Nd2 Be6 25.Na3 Rab8 26.Qb5 Qb5 27.Nb5 Rc2=+ 28.e4 Rd2–/+ 29.ed5 Bd5 30.Rbc1 Bc6 31.Rfe1 Kg8 32.Bc3–/+ Ra2 33.Ra1 Ra1 34.Ra1 Bb5 35.ab5 b6 36.Bd2 Bg7 37.Ra4 d5 38.Ra3 Rc8 39.Rd3 Rc4 40.Bc3 a4 41.Kf1 a3 42.Be1 Ra4 43.Bc3 a2 44.Rd1 Rc4 45.Ba1 Rb4 46.Ke2 Rb5 47.Rd2 Ra5 48.Rd3 Kf7 49.f4 Ke6 50.Rb3? b5 51.Kd3 Kd6 52.g3 Ra4 53.Kc2 Bd4 54.Bd4 Rd4 55.Kb2 Rd2 56.Ka1 Kc5 57.h3 b4 58.g4 Kc4 59.Rg3 b3 60.gf5 Rd1 (60...Rd1 61.Kb2 a1Q) 0–1. Mishakov,An (2070) – Kazennova,D (1970), Open, Dubna RUS, 2007.

6.0–0 d6

7.c4 e5 8.Qb3 Be6 9.Ng5 Qe7 10.Ne6 Qe6 11.Nc3 Nbd7 12.Rfe1 c5 13.a3 Nb6 14.Rad1 Rac8 15.b5 Rfd8 16.a4 Qe7 17.a5 Nbd7 18.d4 cd4 19.ed4 Qf7 20.Na4 e4 21.Ba3 Nf8 22.Rd2 d5 23.Rc1 f4 24.Nc5 g5?? 25.Nb7?? Qb7–/+ 26.cd5 Rc1 27.Bc1 g4 28.d6 Kh8 29.Rc2 f3 30.Bf1 Rd6 31.Bf4 Rd4 32.Rc7 Qd5 33.Bc4 Rd1 34.Qd1 Qd1 35.Bf1 Nd5 36.Rd7 fg2 37.Kg2 Nd7 38.Be3 Qf3 39.Kg1 Ne3 40.fe3 Ne5 41.Bg2 Qe3 42.Kh1 Qe1 (42...Qe1 43.Bf1 Qf1) 0–1. elsh1403 – koncar18 (1620), kurnik, 2011.

7.c4 e5 8.d3 Nc6 9.b5 Ne7 10.Nc3 h6 11.Qb3 Be6 12.Rad1 Qe8 13.a4 g5 14.a5 f4 15.ef4 g4 16.Nd2 ef4 17.f3 g3=+ 18.Nde4 Nf5 19.Nf6 Bf6 20.Ne4 Qg6 21.Nf6= Rf6 22.Bf6 gh2 23.Kh2 Qf6 24.Qa3 Ne3=+ 25.Qa1? Qh4–/+ 26.Kg1 Ng2! 27.Kg2?? Bh3 28.Kg1 Qg3 (28...Qg3 29.Kh1 Qg2#) 0–1. Neumann,Frank (1650) – Schmitt,Harald (1860), RSS5E NoEngine–63, 2008.

7.d3 e5 8.Nbd2 Nc6 9.b5 Ne7 10.c4 h6 11.d4 e4 12.Ne1 Be6 13.g3 g5 14.Ng2 Ng6 15.Qc2 c6 16.a4 d5 17.bc6 bc6 18.Ba3 Rf7 19.Rab1 f4 20.ef4 gf4 21.gf4 Ng4 22.cd5 cd5 23.Ne4?? de4–+ 24.Qe4 Bd5?? 25.Qg6+– Nf6 26.Nh4 Be4 27.Nf5 Bf5 28.Qf5 Qd4 29.Bb2 Qe4 30.Qe4+– Ne4 31.Bc4 Nd2 32.Bf7 Kf7 33.Bg7 Nb1 34.Bh6 Nc3 35.a5 Rg8 36.Kh1 Nd5 37.Bg5 a6 38.Rb1 Nc3 39.Rb7 Ke6 40.Rb6 Kf5 41.Ra6 Kg4 42.Kg2 Ne4 43.h3 Kf5 44.Rb6 Ng5 45.fg5 Rg5 46.Kh2 Rg8 47.a6 Ra8 48.Rc6 Ke5 49.h4 Kd5 50.Rg6 Kc5 0–1. ejdrzej (1615) – nocnymarko (1740), kurnik, 2011.

7.d3 e5 8.Nbd2 Kh8 9.c4 Be6 10.Qc2 Nc6 11.b5 Ne7 12.a4 h6 13.a5 g5 14.d4 e4 15.Ne1 c6 16.bc6 bc6 17.g3 d5 18.Ng2 Qd7 19.Ba3 Rg8 20.Be7 Qe7 21.c5 Raf8 22.Rab1 Ng4 23.a6 Bc8 24.Rb8 h5 25.h4 Bf6 26.hg5+= Bg5 27.Bg4 fg4= 28.Rfb1? h4 29.Nf4 Bf4–+ 30.ef4 Qh7 31.Rc8? Rc8–+ 32.Rb7 Rc7 33.Rc7 Qc7 34.Nf1 h3 35.Ne3 Qa5 36.Qe2 Qa1 37.Kh2 Qd4 38.Ng4 Rg4! 39.Qg4 Qf2 40.Kh3 Qf1 41.Kh2 Qf2 42.Kh3 e3?? 43.Qc8+– Kg7 44.Qd7 Kf8 45.Qa7 e2 46.Qb8 Kf7 47.Qc7 Kf6 48.Qc6 Kf7 49.Qd5 Kf6 50.Qe5 Kf7 51.a7 e1Q 52.Qe1 Qe1 53.a8Q Qf1 54.Kh4 Qh1 55.Qh1 (55.Qh1 Kg7 56.Kg5 Kf7 57.Qd5 Kg7 58.Qd7 Kf8 59.Kf6 Kg8 60.Qg7) 1–0. ejdrzej (1765) – elokiller (1665), kurnik, 2011.

7.d4 c6 8.Nbd2 a5 9.c3 a4 10.a3 b5 11.c4 Bd7 12.Rc1 Na6 13.d5 cd5 14.cb5 Nc7 15.Nd4 Qb8 16.Nc6 Bc6 17.bc6 (17.Rc6?! Nb5 18.Qc2 Qb7=) 17...e5 18.Nb1 Qa7 19.Nc3 d4? (better is 19...Bh6!?+/–) 20.ed4+– ed4 21.Nb5 Nb5 22.Bb5 Ne4 23.Bc4 Kh8 24.Be6 Qe7 25.Bd7 Nc3 26.Bc3 dc3 27.Re1 Qg5 28.Qd6 Qd2 29.Red1 Qe2 30.c7 Be5 (30...Qc4 31.b5 Bh6 32.Be6 Qb5 33.Rc3+–) 31.Qc6 Qe4 32.Rc3 1–0. Fichte,Wolfgang (2065) – Bitsch,Volker (2020), Hessen–ch VM, 2004. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 g6 4.e3 Bg7 5.Be2 0–0 6.0–0 d6)

7.d4 e5 8.de5 Ng4 9.Qd5 Kh8 10.Qb3 Ne5 11.Ne5 de5 12.Nc3 c6 13.Rad1 Qe8 14.a4 Nd7 15.Rd6+= Nf6 16.Rfd1+/– Bd7 17.b5 Rc8 18.Ba3 Rf7 19.Bc4 Re7 20.b6 ab6 21.Qb6 Rb8? 22.R6d2 1–0. pcmvr (2865) – jvanmechelen (2545), net–chess.com, 2009.

7.h3 e5 8.d4 e4 9.Nfd2 b6 10.b5 Bb7 11.c4 d5 12.Nc3 c6 13.a4 Nbd7 14.Rc1 c5 15.dc5 bc5 16.cd5 Nd5 17.Qb3 N7f6 18.Rfd1 Qb6 19.Bc4 Rad8 20.Nd5 Bd5?? 21.Bd5 Nd5+/– 22.Nc4 Bb2?? 23.Nb6+– Bc1 24.Nd5 Kg7 25.Rc1 Rd6 26.Rc5 Rfd8 27.Qc3 Kh6 28.g3 Rd5 29.Rd5 Rd5 30.Qc4 Rd3 31.a5 Ra3 32.Qb4 Ra1 33.Kg2 Kg5 34.b6 ab6 35.ab6 Ra8 36.b7 Rb8 37.Qe7 Kh5 38.Qc7 Rg8 39.b8Q Rb8 40.Qb8 h6 41.Qd8 f4 42.Qh4 (42.g4) 1–0. mihai740609 – memo, kurnik, 2011.

3.Nf3 Nd5

4.a3 d6 5.e3 Bd7 6.c4 Nb6 7.d4 Na4 8.Qc2 Nb2 9.Qb2 e6 10.Be2 Bc6 11.0–0 Be7 12.Nbd2 0–0 13.Qc2 a5 14.e4 ab4 15.ab4 Ra1 16.Ra1 Be4 17.Ne4 fe4 18.Qe4 e5 19.Ra8 c6 20.de5 de5 21.Ne5 Bh4 22.g3 Be7?? 23.b5 Bc5 24.Nd3 Qf6 25.Nf4 Nd7 26.Rf8 Nf8 27.Nd3 Bd6? 28.bc6+– bc6 29.Qc6 Ba3 30.Qf3 Qa1 31.Kg2 Be7? 32.c5 Qa7?? 33.c6 Qc7 34.Qd5 Kh8 35.Qb5 Bf6 36.Qb7 Be5 37.Qc7 Bc7 38.Nb4 Bd6 39.Nd5 Ne6 40.f4 Nc7? 41.Nc7 Bc7 42.Kf3 Bd6 43.Ke4 g6 44.Kd5 Bc7 45.Ke6 Kg7 46.Kd7 Bb6 47.c7 Bc7 48.Kc7 Kf6 49.Kd6 g5 50.fg5 Kg5 51.g4 Kf4 52.h3 Ke3 53.Bd1 Kd4 54.Ke6 h6 55.Kf6 Ke3 56.Kg6 Kd3 57.Kh6 Ke3 58.Kg7 Kd3 1–0. Bonetti,Shane – MacChess 5.0, 2000.

4.b5 d6 5.e3 Bd7 6.d4 c6 7.c4 Nf6 8.bc6 Bc6 9.d5 Bd7 10.Bd3 Qb6 11.Qc2 e5 12.de6 Bc6 13.Nbd2 Ng4 14.0–0 Ne5 15.Ne5 de5 16.Be5 Qc5 17.Bd4 Qd6 18.Bf5 b5 19.cb5 Bg2 20.Kg2 Qd5 21.Qe4 Qe4 22.Be4 Bb4 23.Nf3 a6 24.Ba8 ab5 25.Rab1 Bd6 26.Rb5 Na6 27.Bb7 Nc7 28.Rb6 Ne6 29.Rd6 Nd4 30.Nd4 Rg8 31.Bc6 Ke7 32.Nf5 Kf8 33.Rd8 Kf7+– 34.Rg8 Kg8 1–0. Bonetti,Shane – MacChess 5.0, 2000.

4.e3 Nb4 5.a3 Nd5 6.Bd3 f4 7.g3 fe3= 8.c4 Nf6 9.fe3 Nh5?? 10.c5?? e5 11.Ne5+= d6?? 12.Nf3 dc5= 13.Ne5 Qd6?? 14.Bb5 c6 15.Ba4 b5?? 16.Qh5+– g6 17.Qg5 ba4? 18.Nc4+– Qd7?? 19.Bh8 Ba6 20.Ne5 Qd5 21.Rf1! (21.Rf1 Bf1 22.Kf1 Qh1 23.Ke2 Qh2 24.Kd1 Qh1 25.Kc2+–) 1–0. russrogers – atomsk, net–chess.com, 2011.

3.Nf3 d6

4.c4 e5 5.d3 Be7 6.Nc3 0–0 7.g3 Qe8 8.Bg2 Qh5 9.Nd2 g5 10.Qb3 Kh8 11.0–0–0 Nc6 12.e3 a5 13.b5 Nb4 14.Bf1 d5 15.a3+/– Ng4 16.ab4 Nf2 17.Be2 Qe8 18.Nd5 Bd8 19.Nf3 c6 20.bc6 bc6 21.Be5 Kg8= 22.Nc3 g4 23.Bd4 gf3 24.Bf3 Nh1 25.Bh1 Bg5 26.Kc2 Bf6 27.Bc5 Rf7 28.b5 Bb7 29.Rf1 Qe6 30.bc6 Bc6 31.Qb6 Rc8 32.d4?? Qc4–/+ 33.Rf5?? Bd4 34.Rf7 Qc3 35.Kd1 Bc5 36.Qb1 Rd8 37.Ke2 Qd2 38.Kf1–+ Qd1 (38...Qd1 39.Qd1 Rd1 40.Ke2 Rh1–+; 38...Kf7 39.Qh7 Kf6 40.Qh6 Ke7 41.Qh7 Ke6 42.Qh6 Kd7 43.Qc6 Ke7 44.Qc5 Qd6 45.Qg5 Qf6 46.Qf6 Kf6 47.Bc6=+) 0–1. Chilkiewicz,Marek (1800) – Markiewicz,Mateusz (1950), Jch Poland, 2007.

4.d3 e5 5.Nbd2 Be6 6.e4 f4 7.Ng5 Bg8 8.d4 ed4 9.Bd4 Nc6 10.Bc3 h6 11.Ngf3 Qe7 12.Bd3 0–0–0 13.0–0= Ne5 14.Nc4?? Nc4 15.Bf6 Qf6 16.Re1 Nb2 17.Qd2 Nc4 18.Bc4?? Bc4–+ 19.Red1 g5 20.c3 Bg7 21.Rac1 Qe6 22.Nd4 Qe4 23.f3 Qg6 24.Re1 Rde8 25.a4 Re1 26.Re1 Qd3 27.Nb3 Qd2 28.Nd2 Bc3 29.Rc1 Bd2 30.Rc4 d5 31.Rd4 Be3 32.Kf1 Bd4 33.Ke2 Bg1 (33...Bg1 34.Kd3 Re8–+) 0–1. Agilisaurus (1625) – Gaudissimo (1700), internet, 2007.

4.d4 c6 5.e3 g6 6.c4 Bg7 7.Nbd2 Qc7 8.Qc2 a5 9.Qa4 Nbd7 10.b5 Nb6 11.Qb3 cb5 12.cb5 Nfd5 13.Rc1 Qd8 14.a4 Bd7 15.Nc4 h6 (better is 15...Rc8!?+/–) 16.Nb6 Nb6 17.Nh4 e6 18.Ng6 Rg8 19.Nf4 d5 20.Be2 Qf6 21.Nd3 (21.Qc3!? Nc4 22.Bc4 dc4 23.Qc4 Bf8+–) 21...Nc4 22.Nc5 Nb2 23.Nd7 Kd7 24.Qb2 Rac8 25.Kd2 f4 26.b6 fe3 27.fe3 (27.Ke3 Rgf8 28.Bf3 Qf4 29.Kd3 Rfd8=) 27...Qg5 28.Bb5 Kd8 (28...Ke7 29.Qa3 Kf7 30.Rhf1 Bf6+–) 29.Rc8 Kc8 30.Qc3 Kb8 31.Qc7 (better is 31.Rc1 Qd8 32.Qa5 Qb6 33.Qb6 Bd4 34.ed4 e5 35.Rc7 Rg2 36.Be2 Re2 37.Ke2 ed4 38.Qb7) 31...Ka8 32.Rc1 Qd8 33.Qf7 (better is 33.Bd7 Bd4 34.Qd8 Rd8 35.ed4+–) 33...Qf8 (33...Bf8 34.Kd3 Rg7 35.Qc7+–) 34.Qe6 Qf2 (34...Bd4 35.Kd1 Be3 36.Qe3 Rg2+–) 35.Be2 (better is 35.Kd3 Qf8 36.Be8 Qe8 37.Qd5 Qg6 38.Kd2 Qb6 39.Qg8 Ka7 40.Qg7 Qb2 41.Rc2 Qb4 42.Ke2 Qa4+–) 35...Qf8 36.Kd1 (better is 36.Rc5 Kb8+–) 36...Qd8 (36...Qe8 37.Qe8 Re8+–) 37.Rc7 Re8 (37...Bd4 38.Rd7 Qb6 39.Qg8 Ka7+–) 38.Qf7 (38.Qf7 Bf6 39.Rd7 Qb6 40.Qe8 Ka7 41.Bb5+–) 1–0. Simes Marisol,Vanessa – Fracasso,Fabiana, Pan American–ch, 1997. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 d6)

4.d4 Nc6 5.b5 Na5 6.e3 e6 7.c4 Bd7 8.Bd3 c6 9.a4 cb5 10.ab5 b6 11.0–0 Nb7 12.Nbd2 Be7 13.Nb3 0–0 14.Qe2 Rc8? 15.Ra7+– Rc7 16.Rfa1 Bc8 17.e4 fe4+/– 18.Be4 Ne4 19.Qe4 Qd7 20.h3 Rc4= 21.Nbd2 Rb4 22.Ba3 Rb5 23.Nc4 d5 24.Qd3? dc4 25.Qc4 Ba3 26.R1a3 Rb1 27.Kh2 Qd6 28.Ne5 Rf2 29.Rg3 Rff1 30.Rg5 h6 31.Rg6 Rh1 32.Kg3 Rbd1 33.Rg4 Na5 34.Rgg7 Kf8 35.Raf7 Ke8 36.Rg8 Qf8 37.Rgf8 1–0. bratek55 – zsoltika29, kurnik, 2011.

4.d4 Nc6 5.b5 Nb8 6.e3 a6 7.ba6 ba6 8.Bc4 e6 9.0–0 Be7 10.Nbd2 d5 11.Bb3 0–0 12.Ne5 Bd6 13.Ndf3 Ne4 14.c4 c6 15.cd5 cd5 16.Rc1 Nd7 17.Nc6 Qf6 18.Nfe5 Ne5?? 19.de5+– Be5 20.Be5 Qf7 21.f3 Nf6 22.Qd4 Nd7 23.h3 Bb7 24.Na5 Bc8 25.f4 Ne5 26.Qe5 Bd7 27.Rc7 Rac8 28.Rfc1 Rc7 29.Rc7 Rc8 30.Rc8 Bc8 31.Nc6 h6 32.Qd6 Kh7 33.Qe7 Qg6? 34.Ne5 Qh5 35.Nf3 a5 36.Bd1 Qg6 37.Kh2 Ba6 38.Nd4 Bf1 39.Bf3 h5 40.Qe6 Qe6 41.Ne6 1–0. bratek55 (1640) – hendry12, kurnik, 2011.

4.d4 e6 5.c4 b6 6.e3+= Bb7 7.Be2 Nbd7 8.0–0 d5 9.c5 bc5 10.dc5+/– c6 11.Nbd2 Ne4 12.Ne5 Ndf6 13.Nb3 g6? 14.Rc1 Bg7+/– 15.Nd4 0–0? 16.Nec6 Bc6 17.Nc6 Qc7 18.b5 Nd7? 19.Bg7 Kg7 20.Qd4 Nef6 21.f4 a6 22.a4 ab5 23.ab5 Nb8 24.Ne5 Nbd7 25.Nd7 Qd7 26.c6 Qe7 27.b6 Qd6 28.b7 Rab8 29.c7 Rb7 30.g4 Kf7? 31.g5 Ng8 32.Qf6 Ke8 33.Qe6 (33.Qe6 Qe6 34.c8Q Qc8 35.Rc8 Kf7 36.Rf8 Kf8 37.Rd1=; 33.c8Q Qd8 34.Qcd8) 1–0. jupiter – bar, net–chess.com, 2001.

4.d4 e6 5.c4 Be7 6.e3 0–0 7.Bd3 Qe8 8.0–0 Qh5 9.h3 Nbd7 10.Nbd2 b6 11.Qb3 c5 12.dc5 bc5 13.b5 Bb7 14.a4 Ne4 15.Be4 fe4=+ 16.Nh2 Bf6 17.Bf6 Nf6 18.Qc2 d5 19.cd5+= ed5 20.Qc5 Rfc8 21.Qe7 Rab8 22.Rac1 Re8 23.Qd6 Qe2 24.Nb3 a6 25.Nd4+– Qa2 26.Ng4 Ng4+/– 27.hg4 ab5 28.ab5 Bc8?? 29.g5 Bg4 30.Rc7 Qa8?? 31.Nc6 Rb7 32.Ne5 Rc7+/– 33.Qc7 Be2 34.Qf7?? Kh8= 35.Nc6?? Rf8 36.Qa7 Bf1 37.Kf1? Qa7–+ 38.Na7 Rb8 39.Ke2 Rb7 40.Nc6 Rb5 41.f4 ef3! 42.gf3 g6 43.Nd4 Rb2 44.Kd3 Kg8 45.e4 de4–+ 46.fe4. ludice (1765) – patelnia111, kurnik, 2011.

4.d4 g6 5.e3 e6 6.Bc4 Bg7 7.0–0 c6 8.Nbd2 d5 9.Bb3 0–0 10.c4 h6 11.Rc1 Kh7 12.Re1 Nbd7 13.Ne5 Ne5 14.de5 Ne4 15.f3 Nd2 16.Qd2 g5 17.cd5 ed5 18.e4 fe4 19.fe4 de4 20.Qd8 Rd8 21.Re4 Re8 22.Rce1 Be6 23.Bc2 Kg8 24.g4 Rad8 25.Rd4 Bd5 26.Bb3 Re5 27.Bd5? cd5–/+ 28.Re5 Be5 29.Rd2 Bb2 30.Rb2 Kf7 31.Kf2 Ke6 32.Ke3 Ke5 33.Rc2 Rd7 34.Rc5 Rf7 35.h3 b6 36.Rc6 d4 37.Kd3? Rf3 38.Kc4 Rh3 39.Rc7 Rc3 (39...Rc3 40.Kb5 Rc7 41.Ka4 d3 42.Ka3 d2 43.Ka4 d1Q 44.Kb5 Qd7 45.Ka6 Qa4) 0–1. bratek55 (1610) – miro59 (1605), kurnik, 2011.

4.d4 g6 5.e3 Bg7 6.Bc4 c5 7.dc5+/– dc5 8.Qd8 Kd8 9.bc5 Nbd7 10.Bd4 b6 11.cb6 Nb6 12.Bb6 ab6 13.Nbd2 Bb7 14.a4 Ng4 15.Ra2 e5 16.h3 Nh6 17.Ke2 f4 18.Rb1 Kc7 19.Bb5 Rad8 20.e4 Nf7 21.Rab2 Nd6 22.Bd3 Nc8 23.Ng5 Rd7 24.Ne6 Kb8 25.Bb5 Re7 26.Ng5 h6 27.Ngf3 Rc7 28.Nc4 Rd8 29.Nfe5 Be4= 30.f3 Bb7 31.Rb3?? Re7 32.a5 Be5 33.Ne5 Re5 34.Kf2 Rd2 35.Kg1 Ree2 36.a6?? Rg2–+ 37.Kf1 Rgf2 38.Ke1 Bf3 39.Rf3–/+ Rf3 40.Kd2 Rh3 41.Re1 Rh2 42.Kc3 f3 43.Re8 Kc7 (43...Kc7 44.Bc6 f2 (44...Kc6?? 45.Rc8 Kd7 46.a7 Kc8 47.a8Q Kc7 48.Qf3+–) 45.Rc8 Kc8=) 0–1. bratek55 (1655) – 85alfi (1735), kurnik, 2011.

4.d4 g6 5.e3 Bg7 6.Bc4 d5 7.Bb3 e6 8.0–0 0–0 9.c4 c6 10.Nbd2 h6 11.Ne5 Kh7 12.cd5 ed5 13.Rc1 Nbd7 14.Ndf3 Ne4 15.Nd7 Bd7 16.Ne5 Be6 17.f3 Nd6 18.a4 a6 19.Rc5 Nf7 20.f4 Ne5 21.de5 Qb6 22.Qd4 Qd8 23.Ba3 Rf7 24.h3 Bf8 25.Rc2 g5 26.fg5 Qg5 27.Qf4 Be7 28.Kh2 Qg6 29.Rcf2 Rg8 30.Bc2 Bg5 31.Qd4 h5 32.Bc1 Kh8 33.b5 ab5 34.ab5 Bh4?? 35.Qh4+– Qg5 36.Qg5 Rg5 37.e4 de4 38.Bg5 1–0. bratek55 – miro59 (1635), kurnik, 2011.

4.d4 g6 5.e3 Bg7 6.Bc4 d5 7.Bb3 e6 8.0–0 c6 9.Nbd2 0–0 10.c4 h6 11.Ne5 Nbd7 12.Ng6+– Rf7 13.Ne5 Ne5 14.de5 Ne4 15.f3 Nd2 16.Qd2 Qg5 17.f4 Qg6 18.Kh1 Bf8 19.a3 Rg7 20.Rg1 h5 21.Qf2 Be7 22.cd5 cd5 23.Bd1 Bd7 24.Rc1 Bc6 25.Bf3 a6 26.Bd4 h4 27.h3 Kh7 28.Qe2 Kh6 29.Bc3 Bb5 30.Qf2 Bd3 31.Be1 Bd8 32.Rc3 Bb5 33.Qc2 Bb6 34.Bf2 Rgg8 35.a4 Bc6 36.a5 Bd8 37.Rc6 bc6 38.Qc6 Qf7?? 39.Rc1 Be7+= 40.Qa4 Rgc8 41.Rg1 Rc4 42.Be1 Rc1 43.Qd7 Rac8 44.Qb7 R8c6 45.b5 ab5+= 46.Qb5 R6c5 47.Qb8 Ra1 48.Qh8 Qh7 49.Qh7 Kh7 50.Kh2 Rcc1 51.Bf2 Rg1 52.Bg1 Ra5 53.Bf2 Kg6 54.g4 Ra2 55.Kg1 Bd8 56.g5 Bb6 57.Kf1 Ra1 58.Ke2 Ra2 (58...Ra2 59.Kf1 Bc5–/+) 0–1. bratek55 – miro59 (1670), kurnik, 2011.

4.e3 c6 5.Ng5 Be6?? 6.Ne6+– Qd7 7.Nf8 Rf8 8.Bf6 gf6 9.g3 b5 10.Bh3 a5 11.Qh5 Kd8 12.Bf5 e6 13.Bh3 Na6 14.ba5 Nb4 15.0–0 Nc2 16.Nc3 Na1 17.Ra1 Ra5 18.Qg4 f5 19.Qg5 Qe7+/– 20.Qe7 Ke7 21.Bg2 d5 22.Rb1+= Ra3 23.Rb3 Rb3 24.ab3 Ra8 25.Bf1 Kd6 26.b4+/– Ra1 27.Kg2 e5 1–0. magne – gengar, ChessWorld.net, 2005.

4.e3 e5 5.Bb5 c6 6.Be2 =.

4.e3 g6 5.Bf6 ef6 6.a3 Nc6 7.d4 Bg7 8.Bb5 0–0 9.0–0 Ne7 10.Bd3 Be6 11.c4 a5 12.b5 Qd7 13.Nc3 Bf7 14.Rb1 Rfe8 15.b6 c6 16.Re1 Nc8 17.c5 dc5= 18.dc5 Ne7 19.Bc4 Qd1 20.Bf7 Kf7 21.Red1 Rad8 22.Kf1 Bf8 23.Rbc1 h6 24.Rd2 Rd2 25.Nd2 Nd5 26.Nd5 cd5 27.Ke2 f4 28.Kd3= fe3 29.fe3 f5 30.g3 (30…Rc8 31.c6 bc6 32.Nf3=+; better is 30.a4+=). Mack,Lienhard – Erlbeck,Peter, remoteschach.de, 2003.

4.Bf6 ef6 5.e3 d5 6.a3 a5 7.b5 Bd6 (7...Nd7 8.Nc3 Nb6 9.Bd3=) 8.c4+= 0–0 9.cd5 Nd7 10.Nc3 Qe7 11.Bc4 (11.Nd4 Nc5+/–) 11...Ne5 (11...Ba3?? 12.d6 Kh8 13.de7 Be7 14.Be6+–) 12.Ne5 fe5 (12...Be5?? 13.d6 Qe6 14.Be6 Be6 15.dc7 Bc7 16.Qf3+–; worse is 12...Qe5 13.f4 Qe7 14.0–0+/–) 13.Qb3 Kh8 (13...Bd7 14.a4+=) 14.b6 cb6 ½–½. Chytilek,Roman (2355) – Sluka,Radek (2345), Morava–chT, 1997. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 d6)

3.Nf3 e5

4.b5 e4 5.Nd4 d5 6.e3 c5 7.bc6 Nc6 8.Nc6 bc6 9.Be2 Bd6 10.0–0 0–0 11.g3 Rb8 12.Qc1 Qe7 13.Nc3 Be6 14.Rb1 Ng4 15.Bg4 fg4 16.Ba3?? Ba3–+ 17.Qd1 Rb1 18.Qb1 Bd6 19.a4 Rb8 20.Qc1 Ba3 21.Qe1 a5 22.Ne2 Rb2 23.Nd4 Bd7 24.Qe2 c5 25.Ra1 cd4 0–1. Hasler,Ulrich (1680) – Bassanini,Marco, WS/O/003 ICCF, 2004.

4.e3 e4 5.Nd4 Bb4 6.Nf5 0–0 7.Ng3 d5 8.Be2 c5 9.c4 d4 10.0–0 d3 11.Bh5 g6 12.Nc3 Bc3 13.Bc3 gh5 14.Nh5 Nbd7 15.Nf4 Nb6 16.f3 Bf5 17.fe4 Ne4 18.Nh5? Nc3 19.dc3 Qe7 20.Rf4 Qe3 21.Kh1 Rad8 22.Qf1 d2 23.Rd1 Bd3 24.Rf8 Rf8 25.Nf6 Rf6! 26.Qf6 Qe1! (27.Qf1 Bf1 28.h3 Qf2 29.Rf1 Qf1 30.Kh2 Qf4 31.g3 Qf2 32.Kh1 d1Q) 0–1. Elias,Fernando – Prieto,Carlos, corr IECG Email, 2001.

4.Be5 Bb4 5.Nc3 c6 6.Rb1 Qa5 7.Bf6 gf6 8.e3 Bc3 9.dc3 Qa2 10.Bd3 Rg8 11.0–0 d5 12.Nd4 Rg5 13.Ra1 Qb2 14.h4 Rg4 15.Bf5 Bf5 16.Nf5 h5 17.Nh6 Rh4 18.Qd3 Re4? 19.Rfb1 Qa1 20.Ra1 Nd7 21.c4 Nb6 22.cd5 cd5 23.f3 Re5 24.Qg6 Kd7 25.Nf5 Kc7 26.Qf6 Nd7 27.Qd6 Kd8 28.Qg6 a6 29.Nd6 Rb8 30.Nf7 Ke7 31.Ne5 Ne5 32.Qg5 Ke6 33.Ra5 Rf8 34.f4 Nc6 35.Rd5 Rf7 36.c4 Rf6 37.c5 1–0. Cuevas,Jesus – Lonsdale,David Robert, CO1–03 www.b2–b4.com, 2003.

3.Nf3 e6

4.a3 d6 5.c4 c6 6.Nc3 Be7 7.e3 0–0 8.d4 Ne4 9.d5 Nc3 10.Bc3 e5 11.Be2 Nd7 12.0–0 g5 13.Ne1 g4 14.g3 h5 15.f3 Nf6 16.Ng2 Nh7 17.f4 e4 18.c5 Nf6 19.cd6 Qd6 20.dc6 Qc6 21.Rc1 Qd6 22.Be5 Qd1 23.Rfd1 Be6 24.Rc7 Bd8 25.Rb7 Bc8 26.Bc4 Kh8 27.Rd8 Bb7 28.Bf6 Kh7 29.Rd7 Kg6 30.Bg5 Bc8 31.Nh4 1–0. purplegadge (1665) – chudasyc (1735), gameknot.com, 2012.

4.a3 d6 5.c4 e5 6.d3 Be7 7.e4 f4 8.Nbd2 0–0 9.Be2 a5 10.d4 ab4 11.ab4 Ra1 12.Ba1 Nc6 13.b5 Nd4= 14.Nd4 ed4 15.Bd4 Nd7 16.Nb3 Bf6 17.Bf6 Qf6 18.0–0 Ne5 19.c5 Qg6 20.f3= Bh3 21.Rf2 Bd7 22.cd6 cd6 23.Qd5 Qe6= 24.Qb7?? Qb3–+ 25.Qd5?! Qd5 26.ed5 Rb8 27.Rf1 Kf7 28.Rb1 Rb6 29.Kf2 Ke8 30.g3 fg3 31.hg3 Nf7 32.Bd3 g6 33.f4 Bf5 34.Bf5 gf5 35.Kg2 Nd8 36.Kh3 Kf7 37.Kh4 Kg6 38.g4 fg4 39.Kg4 h5 40.Kh4 Nb7 41.Rg1 Kf5 42.Kh5 Kf4 43.Rg4 Ke5 44.Rg5 Kd4 45.Rg4 Kc5 46.Rg5 Rb5 47.Rf5 Kd4 48.Kg6 Rd5 49.Rd5 Kd5 50.Kf5 Kc4 51.Ke4 d5 52.Ke3 d4 53.Kd2 Nc5 54.Kc2 d3 55.Kd2 Nb3 56.Kd1 Kc3 57.Ke1 d2 58.Kd1 Na1 59.Ke2–+ Kc2 (59...Kc2 60.Kf3 d1Q 61.Ke4 Qd3 62.Ke5 Nb3 63.Kf6 Nd4 64.Ke5 Qe3 65.Kd5 Kd3 66.Kd6 Qe6 67.Kc7 Nb5 68.Kb7 Qf7 69.Kc6 Kc4 70.Kb6 Qc7 71.Ka6 Qa7#) 0–1. fresca100 – Jerome, Live Game Caissa's Web, 2004.

4.a3 d6 5.d3 Be7 6.e3 0–0 7.Be2 b6 8.c4 Bb7 9.Nbd2 a5 10.0–0 Nc6 11.b5 Nb8 12.a4 Nbd7 13.Nb3 Ng4 14.h3 Ngf6 15.Rc1 e5 16.Ng5 Rf7? 17.Nf7+– Kf7 18.Bf3 e4 19.de4 fe4 20.Be2 g6 21.Qd4 Ne5 22.Nd2 Qd7 23.f3 ef3 24.Nf3 c5?? 25.bc6 Nc6 26.Qc3 Nb4 27.Nd4?? Kg8? 28.Nb5 Rf8? 29.Bf3?? Bf3+= 30.Rf3 d5?? 31.cd5 Nbd5 32.Qb3 Kg7 33.Rcf1 Bb4 34.Bf6 Nf6 35.Qb2 Be7 36.e4 Kg8 37.Qb3 Kg7 38.Qc3 Qe6 39.e5 Nd5 40.Qd4?? Rf3–+ 41.Rf3 Bc5 0–1. Fournier,Frederic – pokerfreund, Partie ιvaluιe, 1m + 3s, 2009.

4.a3 d6 5.e3 e5 6.Bc4 Nc6 7.0–0 Ng4 8.Nc3 Be7 9.Nd5 Bf8 10.d3 Be6? 11.Nc7!+– Qc7 12.Be6 Nh2?? 13.Kh2 Ne7 14.Ng5 h6 15.Nf3 d5 16.Ne5 h5 17.Bd7 Kd8 18.Ba4 h4 19.Rh1 Ng6 20.f4 h3 21.Ng6 Rg8 22.Nf8 Rf8 23.Qh5 Ke7 24.Bg7 d4 25.Bf8 Kf8 26.Qh8 (26.Qh8 Kf7 27.Qh7 Kf6 28.Qc7+–) 1–0. lea_dc – aliwood, internet, 2005.

4.a3 Ne4 5.e3+= Be7 6.Bg7+/– Rg8 7.Bb2 Bh4 8.Nh4+– Qh4 9.g3 Qg5 10.Bg2 c6 11.d3 Nf6 12.0–0 b6 13.Nc3 a6? 14.Na4 Nd5 15.Bd5 ed5 16.Nb6 Bb7 17.Na8 Ba8 18.c4 dc4 19.dc4 h5 20.Qd4 Ke7 21.Qa7 1–0. Wall,Bill – Bohosky, internet, 2004.

4.a3 g5 5.b5 (5.Ng5 Rg8 6.Nf3 d6+/–) 5...b6 (5...g4 6.Nd4=) 6.e3 (6.Ng5 Rg8 7.Nf3 a6+/–) 6...Bb7 (6...g4 7.Nd4=) 7.Be2 (7.Ng5 a6 8.Be2+/–) 7...d5?? (better is 7...g4!? 8.Nh4 Rg8=) 8.Ne5 (8.Ng5 Ke7 9.a4+–) 8...Bd6? (8...g4 9.h3 d4 10.hg4 (10.Bd4?! Bg2 11.hg4 Bc5 12.Bc5 Bh1+=; 10.ed4?! Bg2 11.Rh2 Bh3=) 10...de3 11.de3 Qd1 12.Kd1+/–) 9.d4?? (better is 9.Bh5 Ke7 10.Nf7+–) 9...0–0+= 10.Nd2 Nbd7 11.Nc6 Qe8 12.Nf3 Ne4 13.Nfe5 Ne5 14.de5 Bc6 15.ed6 Bb5 16.dc7 Be2 17.Qe2 e5 18.f4 gf4 19.ef4 Qe7 20.Be5 Qh4 21.g3+/– Qe7 22.Qb5 Qe6 23.0–0 Nd2 24.Rf2 Nc4 25.Re1 Na3 26.Qd3+– Nc4?? 27.Bc3 Qd7 28.Rfe2 Rf7 29.Re7!! Qc6 30.R7e6 Qc5+/– 31.Bd4 Nb2?? 32.Bc5 Nd3 33.Re8 (33.Re8 Kg7 34.Bd4 Kh6 35.R1e6 Kh5 36.Ra8 Ne5 37.c8Q Re7 38.Re7 Nf3 39.Kg2 Ne1 40.Kh3 Nc2 41.Qf5 Kh6 42.Qh7) 1–0. Marval,Enrique – Barletta,Diego, Buenos Aires BCA op, 1990. (=1.Nf3 f5 2.b4 e6 3.a3 Nf6 4.Bb2)

4.a3 g6 5.c4 Bg7 6.b5 d6 7.d3 0–0 8.Nc3 d5 9.Qc2 dc4 10.dc4 Qe7 11.Rd1 c6 12.Qd3 cb5 13.Nb5 Nc6 14.Qd6 Rd8 15.Qe7 Rd1 16.Kd1 Ne7 17.Ke1 Bd7 18.Nd6 b6 19.e3 Ba4 20.Nb5 a6 21.Nc7 Rd8 22.Be2 b5 23.Ne6 Rd6 24.Ng7 Kg7 25.Be5 Rc6 26.Nd4 Rc8 27.Ne6 Kf7 28.Ng5 Kg7 29.Nh7 Kh7 30.Bf6 Ng8 31.Bc3 bc4 32.h4 Ne7 33.h5 g5 34.g4 Nd5 35.Kd2 Nc3 36.Kc3 fg4 37.Rg1 Kh6 38.Rg4 (38.Rg4 Bb3 39.Rd4+– (39.Bc4?! Kh5 40.Rd4 Bc4 41.Rc4 Rf8+=)) 1–0. Fritz 8 – NN, 2003.

4.a3 g6 5.c4 Bg7 6.d4 b6 7.e3 Bb7 8.Be2 0–0 9.0–0 d6 10.Nbd2 Nbd7 11.Ng5 Qe7 12.Bf3 h6? 13.Bb7+– Rab8 14.Ne6! Rb7? 15.Nf8 Qf8 16.Qb3 Qf7 17.Rac1 Rb8 18.d5 Ng4 19.Bg7 Qg7 20.h3 Nge5 21.Qc3 Kh7 22.f4 Nf7 23.Qg7 Kg7 24.e4 fe4 25.Ne4 Nf6 26.Nf6 Kf6 27.g4 Re8 28.Rfe1 Re1 29.Re1 g5 30.Re6 Kg7 31.Re7 Kf6 32.Rc7 gf4 33.Ra7 Ne5 34.Rc7 Nc4 35.Rc4 (35.Rc4 Ke5 36.a4 Kd5 37.a5 ba5 38.ba5 Kc4 39.a6+–) 1–0. bratek55 (1660) – kobra03, kurnik, 2011.

4.a3 g6 5.e3 Bg7 6.d3 0–0 7.g3 Nc6 8.Bg2 b6 9.0–0 Bb7 10.Ne5 Ne5 11.Bb7 Rb8 12.Bg2 d6 13.Nd2 Neg4 14.h3 Ne5 15.f4 Nc6?? 16.Bc6+– d5 17.Be5 Nd7 18.Bg7 Kg7 19.Bd7 Qd7 20.Nf3 c5 21.Ne5 Qd6 22.c3 cb4 23.cb4 Rbc8 24.Rc1 Rc1 25.Qc1 d4 26.Qd2 de3 27.Qe3 Rd8 28.Rc1 Qd4 29.Qd4 Rd4 30.Kf2 Kf6 31.Ke3 Rd5+– 32.Rc7 a5 33.Rh7 ab4 34.Rf7 1–0. Fournier,Frederic – llops, Active, 2004.

4.b5 Bb4 5.c4 d6 6.Qb3 c5 7.g3 0–0 8.Bg2 Nbd7 9.0–0 e5 10.d4 e4 11.Ng5 Re8 12.d5 Nf8 13.Nh3 Ng6 14.Nc3 Ne5 15.f3 Bd7 16.fe4 Ne4 17.Ne4 fe4 18.Nf2 e3 19.Ne4 Bg4 20.Be5 Re5 21.Qe3 Qe7 22.Rf4 Bh5 23.Bh3 g5 24.Be6 Re6 25.de6 gf4 26.Qf4 Be2 27.Nd6 Qe6 28.Qg5 Kh8 29.Nf5 Rg8 30.Qe3 Qe3 31.Ne3 Bc3 32.Rc1 Bd2 33.Rc2 Be3 34.Kg2 Bd3 35.Rc3 Be4 36.Kh3 Bd4 0–1. Huelle – Just, Leipzig, 2000.

4.b5 c5 5.bc6 Nc6 6.e3 d5 7.c4 Be7 8.cd5 ed5 9.Be2 b6 10.Na3 Bb7 11.Nb5 Ne4 12.Rc1 Rc8 13.Ne5 Ne5 14.Be5 a6 (14...Rc1 15.Qc1 0–0 16.Qb2+=) 15.Nd4 (15.Nc7 Kf7 16.Bg7 Bb4+=) 15...Qd7? (15...Rc1 16.Qc1 0–0 17.0–0+=) 16.Rc8 (16.Bg7 Rg8 17.Rc8 Bc8 18.Ba6 Ba6 19.Qh5 Kd8 20.Qh7=) 16...Bc8+= 17.Rf1 (better is 17.Bh5 Kf8 18.0–0+=) 17...Bb7?? (17...0–0 18.f3 Ng5 19.Qb3=) 18.a4?? (better is 18.Bg7 Rg8 19.Bh5 Kd8 20.Bf7 Rg7 21.Ne6 Qe6 22.Be6+–) 18...Bf6 (better is 18...0–0+=) 19.Qb1?? (better is 19.Bf6 Nf6 20.Qb3+=) 19...Kf8?? (19...Be5 20.Qb6 0–0 21.f3–+) 20.Nc2?? (better is 20.Bf6 Nf6 21.Qb6+–) 20...Ke7?? (better is 20...Be5 21.Qb6 Qc7 (21...Qa4 22.f3 Nd6 23.f4 Qc2 24.fe5 Qc1 25.Kf2 Ne4 26.Kg1=; 21...Bh2?! 22.g3–+) 22.Qc7 Bc7–+) 21.h4 ½–½. Mirzoev,Azer (2565) – Garbisu de Goni,Unai (2475), Pamplona–A, 2008. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6)

4.b5 c5 5.e3 d5 6.c4 Nbd7 7.Qc2 Nb6 8.d3 Bd6= 9.a4 dc4 10.dc4 0–0 11.Bd3 Qe7 12.Nbd2+= Nbd7 13.h3 h6 14.g4 fg4 15.hg4+/– Ng4 16.Bh7 Kh8 17.Nh4 Nde5 18.Be5+/– Ne5 19.f4 g5 20.fe5 Qh7 21.Qh7 Kh7 22.ed6 gh4 23.Rh4 b6 24.Ne4 e5 25.Ke2 Bf5 26.Ng5 Kg6= 27.Nf3 e4 28.Ne5 Kh7? 29.Nc6 a6 30.Rd1 Rf7 31.Rf4 ab5 32.ab5 Kg7? 33.d7! Ra2 34.Ke1 Rd7 35.Rf5 Rd1 36.Kd1 Ra3 37.Ke2 1–0. Poley,V (2400) – Janse,L (2100), 34th Rilton Cup, Stockholm SWE, 2004.

4.b5 c5 5.e3 Be7 6.Be2 0–0 7.0–0 a6 8.a4 ab5 9.ab5 Ra1 10.Ba1 Qc7 11.c4 d6 12.d4 Nbd7 13.Qc2 Nb6 14.Bb2 Bd7 15.dc5+= dc5 16.Ne5 Ne4 17.f4 Ra8 18.Bd3 Nd6 19.Nd2 Qd8 20.e4 Be8 21.ef5+/– ef5 22.Nb3 Na4 23.Ba1 Bg6 24.g4 Bf6 25.Qg2 fg4 26.Ng6+/– hg6 27.Qd5 (27.Qd5 Kh7 28.Qh5 Kg8 29.Qg6 (29.Qg4?! Ba1 30.Ra1 Nb5+=; 29.Bg6?! Ra7+/–) 29...Ba1 30.Qh7 Kf8 31.Ra1+/–) 1–0. Vornanen,Alpo – Michalek,Martin, TT–10.10 ETC, 2004.

4.b5 c6 5.a4 a6 6.e3 ab5 7.ab5 Ra1 8.Ba1 d5 9.Nc3 Bd6 10.Be2 0–0 11.0–0 f4 12.ef4= Bf4 13.g3 Bd6 14.bc6 Nc6 15.Qb1 e5 16.Bb5 Bh3–+ 17.Re1 e4 18.Ng5–/+ Bd7 19.d3 h6 20.Bc6 bc6–+ 21.Nge4 de4 22.Ne4 Ne4 23.de4?! Qg5 24.h4 Qc5 (25.Qb3 Kh7–+) 0–1. Galaxy7 – rut1, Live Game Caissa's Web, 2004.

4.b5 c6 5.a4 d5 6.e3 Bd6 7.c4 0–0 8.Be2 (8.d4 Bd7=) 8...Qe7 9.Nc3 Kh8 (9...Nbd7 10.d4=) 10.Qc2 (10.d4 dc4 11.0–0 cb5 12.ab5 Nbd7+=) 10...a6 (10...dc4 11.h3=) 11.0–0 (11.cd5 cd5 12.0–0 Nbd7+=) 11...e5 (11...dc4 12.h3=) 12.bc6 bc6 13.d4 (13.cd5 e4 (worse is 13...Nd5 14.Nd5 cd5 15.Rab1+=) 14.Nd4 cd5=) 13...e4 Black gains space. (13...Nbd7 14.Ne5 Ne5 15.de5 Qe5 16.g3=) 14.Ne5+= The knight dominates 14...Be6 15.a5 Nfd7 16.Na4 f4 (better is 16...Ra7!?+/–) 17.ef4+– Rf4 18.g3 (18.Nb6!? Nb6 19.ab6 Be5 20.de5 Nd7+–) 18...Rf8+/– 19.f4 (19.Nb6 Nb6 20.ab6 Bh3+/–) 19...Bh3 (19...ef3 20.Nf3 (20.Rf3?! Ne5 21.de5 Bc5 22.Kg2 Nd7=) 20...Bf5 21.Qd2+/–) 20.Rf2 Ra7 21.Qb3 (21.Nb6 Rc7+/–) 21...Nf6 (better is 21...Be6!?+=) 22.g4+/– Be5? (better is 22...Bg4 23.Ng4 Ng4 24.Bg4 dc4+–) 23.Qh3 White has the pair of bishops (23.fe5 Ng4 24.Bg4 Rf2 A) 25.Kf2?! Qh4 26.Qg3 Rf7 27.Kg1 Qg4 28.Qg4 Bg4=; B) 25.Qb8? looks attractive, but 25...Rf8 26.Ba3 Rb8 27.Be7 Bg4–+ (worse is 27...Re7 28.Bh3 dc4 29.Nc5+=); C) 25.Qh3+–) 23...Bd6+/– 24.c5 Bc7 25.Nb6 Rb7? 26.Bc1+/– e3 27.Qe3 Ne4 28.Rf1 Qh4 White king safety dropped 29.Ra3 g5 30.Qh3 Qh3 31.Rh3 gf4 (better is 31...Bf4!? 32.Rhf3 Rbf7+=) 32.Bd3 Kg7 33.Kg2 h6 34.Rh5 (34.Re1 Ng5 35.Re7 Rf7 36.Rf7 Nf7 37.Bf5+/–) 34...Ng5? (better is 34...Rf6+/–) 35.h4+– Ne4 36.Rf5 Rf5 37.gf5 Bb6?? Black falls apart (better is 37...Kf6 38.Be4 de4 39.Bf4 Bf4 40.Rf4 h5+–) 38.ab6 Kf6 39.Bf4 Rg7 40.Kf3 Rg8 41.Be4 de4 42.Ke4 1–0. Enders,Peter (2515) – Vogiatzis,Dimitrios (2030), Pyramiden Franken Cup 4th, 2001. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6)

4.b5 c6 5.c4 cb5 6.cb5 d6 7.e3 e5 8.Nc3 Nbd7 9.d4 e4 10.Nd2 d5 11.a4 a5 12.Be2 Bd6 13.Qb3 Nb6 14.Ba3 Be6 15.0–0 Rc8. A de Visser – Duinmaijer, corr 1986.

4.b5 c6 5.e3 Be7 6.c4 cb5 7.cb5 0–0 8.Be2 a6 9.0–0 ab5 10.Bb5 Nc6 11.Nc3 d5 12.d4 Ne4 13.Ne4 fe4 14.Nd2 Qb6 15.Qb3 Na5 16.Qa4 Bd7 17.Bd7+/– Qb2 18.Be6 Kh8 19.Qd1 Rfd8 20.Rb1 Qa2 21.Ne4! Nc4 22.Nc3 (22...Qa5 23.Nd5 (< 23.Rb7 Qc3 24.Re7 Qa3+–) 23...Rd5 24.e4+–) 1–0. Bonetti,Shane – livingoutloud (1655), ICC, 2002.

4.b5 d5 5.e3 a6 6.Ne5 Bd6 7.ba6 ba6 8.c4 0–0 9.d4 Ne4 10.a3 Nd7 11.Nd2 Be5 12.de5 Rb8 13.Qc2 Nd2 14.Qd2 Bb7 15.Rd1 Qh4 16.Qd4 f4 17.c5 Qg5 18.h4 Qg4 19.Bc1 Bc6= 20.ef4 Rb1 21.f3 Qg3=+ 22.Qf2 Qf2 23.Kf2 Nc5 24.Be2 Bb5 25.Be3 Rb2 26.Bc5 Re2 27.Kg3 Rd8 28.Rde1 Rb2 29.Rb1 Rb1 30.Rb1 d4 31.Kf2 Rd5 32.Rc1 Ba4 33.Ke2 d3 34.Kd2 Bc2 ½–½. Seiler,Werner (2340) – Leisebein,Peter (2425), RSS7E pro–42, 2005.

4.b5 d5 5.e3 Bd6 6.a4 0–0 7.c4 c6 8.Be2 Nbd7 9.0–0 e5 10.cd5 cd5 11.Qb3 Nc5 12.Qa2 Be6 13.Ng5 Qe7 14.Ne6 Qe6 15.Nc3 b6?? 16.d4 ed4= 17.ed4 Nce4 18.Ne4 fe4 19.Ba3 h6 20.Bd6 Qd6 21.Rac1 Rac8 22.Qb2 g5 23.Rc8 Rc8 24.Rc1 Qd7 25.h3 Kg7 26.Bd1 h5 27.Bb3 Rc1 28.Qc1 Qf5 29.Qc7 Qd7? 30.Qd7+– Nd7 31.Bd5 Nf6 32.Bc6 Kf7 33.Kf1 Ke7 34.Ke2 Kd6 35.Ke3 Nd5 36.Ke4 Nc3 37.Kf5 Na4 38.Kg5 a6 39.Kh5 ab5 40.Bb5 Nb2 41.g4 Kd5 42.g5 Kd4 43.g6 1–0. ludice (1705) – tompadehorsow, kurnik, 2011.

4.b5 d5 5.e3 Bd6 6.Ne5 0–0 7.Be2 Nbd7 8.f4 Ne4 9.0–0 c5 10.d3 Be5 11.fe5 Ng5 12.a4 Nf7 13.d4 c4 14.Qe1 Kh8 15.Ba3 Rg8 16.c3 a6 17.e4 de4 18.Bc4 Nb6 19.Bb3 ab5 20.ab5 Bd7 21.Nd2 Nh6 22.c4 Bb5+= 23.cb5 Qd4 24.Kh1 Qe5 25.Nf3 Qf6 26.Ng1 Ng4 27.Nh3 Rgd8 28.Ra2 Qe5 29.Nf4 Ra3? 30.Ra3 g5 31.Qa1?? gf4= 32.Qe5 Ne5 33.Be6 e3 34.Bf5 e2 35.Re1 Nbc4 36.Raa1 Rd2=+ 37.h4? Ne3 38.Be6?? Rd1 39.Bb3 Ra1 40.Ra1 Nd3 41.b6 e1Q 42.Re1 Ne1 43.Ba4 Nd3 44.Bc6 Nc5 45.Bf3 Nc4 46.Kh2 Kg7 47.Kh3 Nd6 48.g3 fg3 49.Kg3 Nc4 50.Kf4 Nb6 51.Ke5 Nba4 52.Kd6 b5 53.Bd1 b4 54.Ke7 b3 55.h5 h6 0–1. Selma Rico,Javier – Puerto Traver,Juan Manuel, Burriana op, 1990.

4.b5 d6 5.e3 Be7 6.Be2 0–0 7.0–0 Nbd7 8.d4 Ne4 9.c4 Qe8 10.Ne1 Ndf6 11.f3 Ng5 12.Nd3 Nf7 13.Nd2 g5 14.e4 f4 15.e5 de5 16.de5 Nd7 17.Ne4 b6 18.c5 Nh6 (18...Nc5!? 19.Ndc5 bc5+=) 19.Qb3 Qg6 20.Ba3 (20.c6 Nb8+–) 20...bc5 21.Nec5 Nb6 22.Nf2 Nd5 23.Bd3 Qg7 24.Be4 Rd8 25.Rad1 Qf7 26.Rd3 Rb8 27.Rfd1 (better is 27.Qc4!?+/–) 27...c6= 28.Qa4 Rb5 29.Qa7 (29.Rc1=) 29...Bc5 (better is 29...Bf8 30.Qf7 Nf7–/+) 30.Bc5+= Qa7 31.Ba7 Nf7 32.Ng4 Kg7 33.a4 Ra5 34.Bb6 Nb6 35.Rd8 Nd8 36.Rd8 Ra4 37.h4 h6 38.Nf6+– Ra8?? 39.Rg8 Kf7 40.h5 Bb7? 41.Bg6+– Ke7 42.Rg7 Kd8 43.Rb7 Nc4 44.Ng4 Ra1 45.Kh2 Nd2 46.Rb2 Nf1 47.Kh3 Ne3 48.Ne3?? Rh1 (48...Rh1 49.Kg4 Rh4) 0–1. Fichte,Wolfgang (2065) – Polenske,Kai (2160), Hessen–ch VM, 2004. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6)

4.b5 g6 5.Nc3 Bg7 6.e4 0–0 7.Bd3 Ne4 8.0–0 Bc3 9.dc3= Qf6 10.Qe1 d5 11.Rb1+= c6 12.c4 Qf7 13.Ne5 Qe7 14.f3 dc4 15.Bc4 cb5 16.fe4 bc4 17.Qg3 f4 18.Rf4+/– Qc5?? 19.Kh1+– Nd7 20.Ng6! Rf4 21.Nf4 Kf8 22.Ne6 (22.Ne6 Ke7 23.Nc5+–) 1–0. tschulz – Sanji, mySchach.de, 2004.

4.b5 g6 5.g3 Bg7 6.Bg2 0–0 7.0–0 d6 8.d4 Nbd7 9.Nbd2 Qe7 10.Nc4 (10.c4 Nb6+=) 10...h6 (10...Nb6!? 11.Qd3 Ne4=) 11.Qd3 Re8 12.a4 Ne4 13.a5 Rb8 14.Ba3 Qd8 15.Rab1 b6 16.a6 Ndf6 17.Ne3 Bd7 18.c4 Kh7 19.Nc2 (19.Rfd1 c5+=) 19...Rf8 (19...c5 20.bc6 Bc6 21.Nh4=) 20.Nb4 Qe8 21.Nd2 e5 22.de5 (worse is 22.Be4 A) 22...Ne4?! 23.e3= (worse is 23.Ne4 fe4 24.Qd1 ed4–/+); B) 22...fe4 23.Ne4 Ne4 24.Qe4 Bf5–/+) 22...Qe5 23.Nf3 Qe8 24.Nd4 Rc8 25.Nbc6 Ra8 26.Qc2 (26.f3 Nc5 27.Qd2 Bc6 28.Nc6 Na6=) 26...Ng4+= 27.Rb3 Ngf6 (27...Nc5 28.Rf3+=) 28.Re3 (28.Bb4 Qf7+/–) 28...h5 (28...Ng4 29.Re4 (29.Be4? Ne3 30.fe3 Qe4–+) 29...fe4 30.Be4+=) 29.Bc1 Bh6 30.Ra3 Bg7 (30...Bc1 31.Rc1 Qf7 32.h3+=) 31.f3 Nc5 32.Re3 Qf7 (32...Ne6 33.Ne6 Be6 34.Bb2+/–) 33.Re7+– Qg8 34.e4 fe4 35.fe4 Ng4 36.Nf3 Kh8 (better is 36...Bc6!? 37.bc6 Kh8+/–) 37.Bb2+– Rf6? (37...Bf6+–) 38.h3 Bc6 39.hg4 (39.bc6?! Ne5 40.Rf2 Ned3 41.Bf6 Bf6 42.Rc7 Nf2 43.Qf2 Na6+/–) 39...Be4 40.Re4 Ne4 41.Qe4 (better is 41.Bf6 Bf6 42.Qe4+–) 41...Re8 42.Qc2 Rff8 43.Nh4 Rf1 44.Bf1 Qe6? (better is 44...Re6 45.gh5 gh5 46.Bg7 Qg7+–) 45.Ng6+– Kg8 46.Bg7 (46.gh5?! Qe1 47.Bc1 Qg3 48.Qg2 Bd4 49.Kh1 Qg2 50.Kg2 Re1+–) 46...Kg7 47.gh5 Qg4 (47...Qe3 48.Kg2 Qe4 49.Qe4 Re4 50.Kf3+–) 48.Qc3 Kh6 49.Nf4 Re5 (49...Qf5 50.Kh2+–) 50.Be2! Qg5 (50...Re2 51.Qf6 Double attack (51.Qf6 Decoy)) 51.Kf2 Re8 52.Qd3 Qc5 (52...Rf8 53.Qf3+–) 53.Kg2 Rg8 (53...Qg5+–) 54.Qd5 (54.Qd5 Qd5 55.cd5+–) 1–0. Rosberg,S (2260) – Semcesen,D (2475), Deltalift Open, 2015. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6)

4.d3 Bb4 5.Nbd2 0–0 6.a3 Be7 7.e4 fe4 8.de4 c6 (8...Nc6 9.Bc4–/+) 9.Bc4 (9.e5!? Ng4 10.Ne4+=) 9...d5–/+ 10.Bd3 Qb6 11.Be5 Nfd7 12.Bg3 de4 (12...Qb2!?–/+) 13.Ne4+= Nf6 14.0–0 Ne4 15.Be4 Nd7 16.Re1 Nc5 17.Nd4 Bf6 18.c3 (18.Bd6!? Ne4 19.Re4+=) 18...Ne4 19.Re4 c5 20.Ne2 (20.Rb1 Qa6 21.Nb5 Qc6+=) 20...Qc6–/+ 21.Re3 b6 22.Nf4 (22.Qd6 Qb5–/+) 22...Bg5–+ 23.Rd3?? (23.Qf3 Qf3 24.Rf3 Bb7 25.Ne6 Bf3 26.Ng5 Bd5–+) 23...Bb7 (better is 23...Bf4 24.Bf4 Bb7–+) 24.f3? (better is 24.Rd6 Qe4 25.Re6–+) 24...Bf4 (24...Rf4?! 25.Bf4 Bf4 26.Rd8 Kf7 27.Rd7 Kf6 28.Rb1–+) 0–1. Jaque_mate – Szkodnikow_i_ofiar, ChessWorld.net, 2015.

4.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.Nf3).

4.g3 Bb4–/+ 5.Bg2 (5.a3 Be7–/+ (5...Ba5 6.Bg2 0–0 7.0–0 d5 8.c4 Nc6–/+; 5...Bc5 6.Bg2 0–0 7.0–0 d5 8.d4 Bd6–/+) 6.Bg2 d5 7.0–0 0–0 8.c4 Nc6–/+) 5...0–0 (5...d5 6.a3 Bd6 7.c4–/+ 0–0 8.0–0 f4–/+) 6.0–0 (6.a3 Be7 7.0–0 d5 8.d3 Nc6–/+) 6...d5 7.d3 (7.Qc1 Nc6 (7...Nbd7–/+ 8.d3 Qe7–/+) 8.d4 Ne4–/+; 7.c4 Nc6 8.Qb3 Be7–/+) 7...Nbd7 (7...Nc6 8.Nbd2–/+ Bd6–/+) 8.c4 c6 9.Qb3 (9.Nbd2 Qe7–/+) 9...Bc5 (9...Bd6 10.d4–/+) 10.Nbd2 Ng4 (10...Bd6 11.d4–/+) 11.d4+= Bd6 (11...Be7 12.Ba3+=) 12.h3 (12.Ba3 Ba3 13.Qa3 Ngf6+=) 12...Ngf6 13.Ne5 (13.Ba3 Ba3 14.Qa3 Ne4+=) 13...Bc7 (13...Ne4 14.Nef3–/+) 14.f4 (14.Ba3 Ne5 15.Bf8 Qf8 16.de5 Be5+=) 14...Qe7 (14...Bd6 15.c5 Be7 16.Qe3+=) 15.Ba3 Bd6 16.Bd6 Qd6 17.c5 Qe7 (17...Qc7 18.Qe3+=) 18.a4 (18.Rf2 Ne4 19.Ne4 fe4+=) 18...Ne5 (18...Ne4 19.Ne4 fe4 20.e3+=) 19.fe5 Ne8 (19...Nh5 20.Rf2+=) 20.a5 (20.e3 Rb8=) 20...Nc7 21.Qf3 Bd7 (21...Qg5 22.e3=) 22.e3 Rab8 23.Rf2 b6 (23...Qg5 24.Rb1+=) 24.ab6 ab6 25.Nb3 Nb5 (25...b5 26.Ra7 Bc8 27.Na5=) 26.cb6 (26.Ra6 Nc3=) 26...Rb6 27.Nc5 Nc3 28.Ra7 Rd8 29.Qh5 (worse is 29.Nd7 Rd7 30.Ra8 Rd8 31.Rd8 Qd8–/+) 29...Nb5 30.Ra1 (30.Rb2 Rbb8 31.Ra6 Be8=) 30...Be8 31.Qd1 (31.Qe2 Rdb8=) 31...Nc3 (31...Rdb8 32.Qc1=) 32.Qd2 (32.Qd3 Ne4 33.Be4 de4=) 32...Ne4 (32...Nb5 33.Qc1=) 33.Be4+= fe4 34.Raf1 (34.Qa5 Rbb8+=) 34...Bh5= 35.g4 Bg6 36.Rf4 Rbb8 37.Qf2= h6 38.h4 Kh8 39.h5 Bh7 40.Rf7+/– Qg5 41.Qg3 Bf5+= 42.R7f5 ef5–/+ 43.Ne6 Qg4 44.Qg4 fg4 45.Nd8 Rd8 46.Kg2 Kg8 47.Kg3 Rc8 48.Rc1 Kf7 49.Kg4= Ke6 50.Rc2 Rc7 51.Rc1 Rc8 52.Rc2–/+ Kd7 53.Kf5 Re8 54.Kg6+= Re7 55.Ra2 Ke6 56.Rc2 Rc7 57.Rc1?? c5!–/+ 58.Ra1 cd4 59.ed4= Re7 60.Ra6 Kd7 61.Rd6 Kc7 62.Rd5+/– e3? 63.Rc5+– Kb6 64.Rc3 Kb5 65.Re3 Kc4 66.Re4 Kd5 67.Rf4 Ke6 68.Rf8 Kd5 69.Rd8 Ke4 70.Rd6 Ra7 71.e6 Re7 72.d5 1–0. Schaefer,J – Neldner,Martin, Wuerzburg op, 1998.

4.a3 a5

5.b5 b6 6.a4 Bb7 7.e3 Bb4 8.Ba3 (8.Nc3 Rf8=) 8...0–0 9.c3 (9.Bb2 Ra7=) 9...Be7 10.Be2 Ne4 (10...Ba3 11.Ra3 Qe7 12.d4=) 11.d3 Nc5 12.0–0 d6 13.Nbd2 Nbd7 14.d4 Ne4 15.Ne4 fe4 16.Nd2 Nf6 17.Qb3 Qd7 18.f4 Kh8 19.Nc4 (19.Rac1 Rae8=) 19...Bd5 20.Qc2 Rac8 21.Nd2 c5 (21...Bb7 22.Rfe1=) 22.Qb2 (22.dc5 dc5 23.c4 Ba8+=) 22...Bb7 (22...c4 23.Rac1=) 23.Nc4 Nd5 24.Rad1 (better is 24.dc5!? is noteworthy 24...dc5 25.Qc2=) 24...cd4+= 25.Rd4 Rc4 26.Bc4 Ne3 27.Rf2 Nc4 28.Rc4 Bf6 29.Qd2 Bd5 30.Bd6?? (better is 30.Rd4 Bd4 31.Qd4=) 30...Qd6 31.Re4 (31.Re2 doesn't improve anything 31...Rd8 32.Rce4 Be4 33.Qd6 Rd6 34.Re4 Bc3–+) 31...Qa3 32.Rd4 Bd4 33.Qd4 Qc5 34.g3?? Qd4 35.cd4 Rc8 36.f5 Rc1 37.Rf1 Rf1 38.Kf1 ef5 39.Ke2 g5 40.Ke3 Kg7 41.h4 h6 42.hg5 hg5 43.Kd3 Kf6 44.Kc3 f4 (44...f4 45.gf4 gf4–+) 0–1. Rogowski,Walter – Diehl,Klaus (2110), Saarlouis op 4th, 2001. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 a5 5.b5)

5.b5 b6 6.e3 Bb7 7.Be2 Be7 8.0–0 0–0 9.d3 d5 10.Nbd2 c5 11.c4 Nbd7 12.Rc1 Rc8 13.Ne5 Ne5= 14.Be5 Nd7 15.Bb2 Bf6 16.d4 cd4 17.ed4 e5 18.de5 Ne5 19.cd5 Qd5 20.f3 Rc1 21.Qc1 Nd3 22.Bd3 Qd3 23.Qc4 Qc4 24.Nc4 Bb2 25.Nb2 Rd8 26.Nc4+/– Bd5 27.Nb6 Rd6 28.Nc8 Rd8 29.Ne7 Kf7 30.Nd5 Rd5 31.Rb1 Rd7 32.a4 Ke6 33.Kf2 Rd2 34.Kg3 g5 35.h3 h5 36.b6 h4 37.Kh2 Rd8 38.Rb5 Rb8 39.g3 hg3 40.Kg3 Kf6 41.f4 Kg6 42.fg5 Kg5 43.h4 Kf6 44.Kf4 Ke6 45.h5 Rb7 46.h6 Kd6 47.h7 Rh7 48.b7 Rh8 49.b8Q (49.b8Q Rb8 50.Rb8+–) 1–0. bratek55 (1685) – pontuseuxinus (1645), kurnik, 2011.

5.b5 b6 6.g3 Bb7 7.Bg2 Be7 8.0–0 0–0 9.d3 Qe8 10.Nbd2 Qh5 11.e3 Qh6 12.h4 Ng4 13.Ne5 Bg2 14.Ng4 fg4 15.Kg2 Qh5 16.c4 d6 17.f3 gf3 18.Rf3 Rf3 19.Qf3 Qf3 20.Nf3 Nd7 21.Kf2 Rf8 22.Ke2 Nf6 23.Bf6 Bf6 24.d4 Re8 25.Kd3 h5 26.Rf1 Be7 27.d5 Bf6 28.Nd2 Be5 29.Rg1 ed5 30.cd5 Rf8 31.g4 hg4 32.Rg4 Rf2 33.Rc4 Bb2 34.a4 Rf5 35.Rc7 Rd5 36.Ke2 Ba3 37.Rc6 Bc5 38.Nc4 Rh5 39.Nd6 Rh4 40.Rc5 bc5=+ 41.e4 Rh6 42.Nb7 Rh3 43.Na5 Ra3–/+ 44.Nc6 Ra4 45.Kd3 Ra1 46.b6 Rb1–+ 47.Ne7 Kf7 48.Nd5 Ke6 49.Kc2 Rh1 50.Nc7 Kd6 51.Ne8 Kc6 52.Ng7 Kb6 53.Nf5 Kb5 54.Ne7 Kc4 55.Nf5 Rh2 56.Kb1 Kd3 0–1. Rupeni,Franco (2270) – Schneider,Bernd (2200), Berlin tt Berlin West, 1980.

5.b5 c5 6.c4 Be7 7.g3 0–0 8.Bg2 d6 9.d3 Nbd7 10.–0 Qc7 11.Nbd2 Nb6 12.e4 fe4 13.de4 e5 14.h3 Be6 15.Qc2 Kh8 16.Rad1 Ne8 17.Qd3 Bf6 18.Kh2 Qf7 19.Rc1 g5 20.Ng1 Qg7 21.Ne2 Rg8 22.g4 Qh6 23.f3 Qf8 24.Ng3 Bd8 (24...Qf7 25.Nf5 Rf8 26.Rfd1= (26.Nd6? Qd7–+)) 25.Rf2 (25.Nf5!?+=) 25...Qf4 26.Bf1 Nc8 (26...Rf8 27.Kg2=) 27.Kg2 Ng7 28.Re1 Rf8 29.Nf5 Nf5? (29...Bb6 30.Nb3 Bf5 31.ef5 Nf5 32.gf5 a4+–) 30.ef5+– (30.gf5?! Bf7=) 30...Bf5 31.gf5 h5?! 32.Qe4 Ne7 33.Qf4 gf4 34.Bd3 Nf5 35.Bf5 Rf5 36.Rg1 Bh4 37.Rff1 Rd8 38.Ne4 d5 39.cd5 1–0. Steinhardt,Stefan – Oberpriller,Josef, Augsburg op 2nd, 1995. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6 4.a3 a5 5.b5)

5.b5 c6 6.a4 d5 7.e3 Bd6 8.d4 0–0 9.Bd3 Kh8 10.0–0 Nbd7 11.c4 Qe8 12.c5 Bc7 13.b6 Bb8 14.Nbd2 e5 15.de5 Ne5 16.Ne5 Be5 17.Be5 Qe5 18.Nf3 Qe7 19.Qc2 Ne4 20.g3 Nc5–/+ 21.Nd4 Nd3 22.Qd3 Qe4 23.Qe4 fe4 24.f4 ef3! 25.Rf3 Rf3 26.Nf3 Bf5 27.Nd4 Re8?? 28.Nf5+– g6 29.Nd6 Re3 30.Nb7 Rb3 31.Na5 Rb6 32.Kf2 Kg7 33.Ke3 Kf6 34.Kd4 Ke6 35.g4 Kd6 36.g5 c5 37.Kd3 Ra6 38.Nb3?? c4+= 39.Kc3 cb3 40.Kb3 Rc6 41.a5 Ra6 42.Kb4 Ke5 43.Kb5 Ra8 44.a6 d4 45.Kc4 Kf5 46.h4 Kg4 47.Kd4 Kh4 48.Ra5 Kg4 49.Kc4 Kf4 50.Rc5?? Ra6–+ 51.Rc7 Ra4 52.Kb3 Ra5 53.Rh7 Rg5 54.Rf7 Rf5 55.Ra7 Rc5 56.Kb4 Rc8 57.Ra1 g5 58.Rf1 Ke3 59.Re1 Kf3 60.Rf1 Kg2 61.Rf5 g4 62.Rg5 g3 63.Kb3 Kf3 64.Rf5 Kg4 65.Rf1 g2 66.Rg1 Kf3 67.Kb4 Kf2 68.Ra1 g1Q 69.Ra2 Ke3 70.Ra3 Kd4 71.Ra4 Qb1 72.Ka3 Kc3 73.Rc4 Kc4 74.Ka4 Ra8 (74...Qb4) 0–1. bratek55 (1660) – khelavaster (1605), kurnik, 2011.

5.b5 d5 6.e3 c6 7.a4 Bd6 8.c4 cb5 9.ab5 0–0 10.d4 Bd7 11.c5 Be7 12.Bd3 Ne4 13.0–0 Be8 14.Nbd2 Nd7 15.Rc1 Bh5 16.Qa4 Bf3 17.Nf3 b6 18.c6 Ndf6 19.Ne5 Qc7 20.f3 Ng5 21.Ba3 Rae8 22.Be7 Re7 23.h4 Nf7 24.Nf7 Ref7 25.f4 Ng4 26.Rf3 Kh8 27.Rg3 Qd6 28.Be2 Nf6 29.Bf3 Rc7 30.Rc3 Rfc8 31.Qa3 Qa3 32.Ra3 Rg8 33.h5 g6 34.hg6 Rg6 35.Rg6 hg6 36.Kf2 Kg7 37.Ra1 Ne8 38.Bd1 Rc8 39.g4 Nc7 40.gf5 gf5 41.Be2 Rh8 42.Rg1 Kf7 43.Rg2 Rh3 44.Bf1 Rh6 45.Be2 a4 46.Rg1 Rh2 47.Kf3 a3 48.Ra1 Rh3 49.Kf2 Rh2 50.Kf3 Rh3 51.Kf2 Rh2 52.Kf3 ½–½. bratek55 (1750) – pontuseuxinus, kurnik, 2011.

5.b5 d5 6.e3 Bd7 7.Be2+= c6 8.Nc3 Qb6? 9.bc6 bc6 10.Rb1 Qc7 11.Na4 Na6 12.Be5 Bd6 13.d4 0–0 14.Ba6 Ra6 15.Nc5 Ra7 16.Bd6 Qd6 17.Ne5 Be8 18.c4 Ne4 19.Ne4 fe4 20.c5 Qe7 21.Qg4 Qf6 22.0–0 h5 23.Qh3 Qf5 24.Qg3 g5 25.f4 g4 26.Rb6 Rc7 27.Ra6 Rb7 28.Ra5 Kh7 29.Ra6 Qf6 30.Nc6 Bc6 31.Rc6 Rfb8 32.a4 Rb1 33.Rc7 Kh6 34.Ra7 Rf1 35.Kf1 e5 36.de5 Qc6 37.Qh4 Qc5 38.Qf6 1–0. market (2265) – leavertarern (1935), GameColony.com, 2002.

5.b5 d6 6.c4 Be7 7.e3 Nbd7 8.d4 0–0 9.Bd3 Nb6 10.0–0 c5 11.bc6 bc6 12.Nbd2 Rb8 13.Rb1 c5 14.Bc3 Nbd7 15.Qa4 Ra8 16.Rb5 Nb6 17.Qb3 a4 18.Qb2 Ra6 19.Rb1 Nfd7 20.dc5 Nc5 21.Bc2 Nbd7 22.Bg7 Rf7 23.Bd4 e5 24.Bc3 Rg7? 25.Bf5+– Bf6 26.Ne4 Ne4 27.Be4 Nc5 28.Bd5 Kh8 29.Rb8 Rc7 30.Qb5 Qg8 31.Rc8 (31.Rc8 Qc8 32.Ba5+–) 1–0. bratek55 (1755) – ksuba (1610), kurnik, 2011.

5.b5 d6 6.d4 Nbd7 7.c4 Qe7 8.Qc2 g6 9.Nbd2 Bg7 10.e4 fe4 11.Ne4 Ne4 12.Qe4 0–0 13.Be2 e5 14.de5 de5 15.0–0 Nc5 16.Qe3 Na4 17.Bd4? (better is 17.Ra2=) 17...Re8–/+ 18.Bd1 ed4 19.Qe7 Re7 20.Ba4 Bg4 21.c5 Bf3 22.gf3 Re5 23.Rac1 Rd8 24.Rfd1 Bf8 25.c6 Ba3 (better is 25...b6 26.Rc4 Bc5–+) 26.b6= bc6 (26...Bc1? 27.bc7 Ree8 A) 28.Rc1?! bc6 29.Bc6 Rf8 30.cd8R Rd8+–; B) 28.cd8R?! Rd8 29.Rd4 Bg5 (29...Rd4?? 30.c7 Kg7 31.c8Q+–) 30.cb7 Rb8+–; C) 28.cb7+–) 27.bc7 Rc8 28.Rc6 Rc5 29.Rd4 ½–½. Czebe,Attila (2325) – Miton,Kamil (2280), Visegrad op, 1997. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 a5 5.b5)

5.b5 d6 6.e3 Be7 7.c4 0–0 8.Be2 a4 9.0–0 Nbd7 10.Nc3 Nc5 11.d4 Nb3 12.Rb1 b6 13.Qc2 Bb7 14.Rfd1 Be4 15.Bd3 Bf3 16.gf3 Qe8 17.Kh1 Qh5 18.Qe2 f4 19.Rg1 Rae8 20.Ne4 Kh8 21.Nf6 Bf6 22.Rg4 e5 23.de5 de5 24.Rbg1 Rf7 25.ef4 Rfe7 26.fe5 Be5 27.Be5 Re5 28.Re4?? Nd4–/+ 29.Qe3 Nf3 30.Rg2 Nh4 31.Rg1 Nf5?? 32.Re5+– Ng3 33.Qg3 Qe5 34.Qe5 Re5 35.Rg4 g6 36.Re4 Rc5 37.Kg2 Kg7 38.f4 h6 39.Kf3 Kf6 40.Ke3 g5 41.fg5 hg5 42.Kd4 Kf7 43.Rg4 Kf6 44.h4 gh4 45.Rh4 Kg5 46.Rh1 1–0. bratek55 (1770) – skyhaai (1610), kurnik, 2011.

5.b5 Be7 6.e3 c6 7.bc6 bc6 8.Be2 Ba6 9.0–0 0–0 10.d4 d5 11.Nbd2 Qe8 12.c4 Nbd7 13.c5 Be2 14.Qe2 Ne4 15.Rab1 Qh5 16.Ba1 Rab8 17.Rb8 Rb8? 18.Rb1?? Rb1=+ 19.Nb1 g5 20.Nc3 g4 21.Ne1 Bh4 22.g3 Bg5 23.Ne4 fe4 24.a4 Nf6 25.Bc3 Qf7 26.Qa6 Qd7 27.Ba5 h5 28.Qb6 Ne8 29.Qb8 Kf7 30.Bb6 h4 31.a5 hg3 32.hg3 Kg6 33.a6 e5 34.a7 ed4 35.ed4 e3 36.a8Q ef2 37.Kf2 Qf5 38.Qf4! Bf4 39.Qe8 Kh7 40.Qe7 Kg6 41.Qe8 Kh7 42.gf4 Qf4 43.Ke2 Qh2 44.Kd1 g3 45.Qd7 Kg8 46.Qe6 Kh7 47.Qf7 (47.Qf7 Kh6 48.Nf3 Qh1 49.Kd2+–) 1–0. Fournier,Frederic (1950) – lacruzdelsur (1790), Active (5/0), 2005.

5.b5 a4

6.c4 d5 7.e3 c6 8.bc6 bc6 9.d4 Bd6 10.c5 Bc7 11.Nbd2 Nbd7 12.Bd3 0–0 13.0–0 Ne4 14.Rc1 Qf6 15.g3 g5 16.Ne1 Nd2 17.Qd2 f4 18.e4 fg3 19.fg3 Bg3?? 20.hg3 Qh6 21.Nf3 de4 22.Be4 Nf6 23.Bc6 Rb8 24.d5 Ne4 25.Qd4 Rb2 26.Qb2 Ng3 27.Qg2 Nf1 28.Rf1 Rf5 29.d6 Qf6 30.d7 Ba6 31.Rf2 h5 32.Ba4 g4 33.Bc2 Rf4 34.Rd2 Qd8 35.Ng5! h4 36.Ne6 Rf1 37.Qf1 Bf1 38.Nd8 Bb5 39.Ne6 Bd7 40.Rd7 g3 41.Kg2 h3 42.Kg3 h2 43.Kh2 Kh8 44.c6 Kg8 45.c7 Kh8 46.c8Q 1–0. bratek55 (1690) – koziolekmat (1725), kurnik, 2011.

6.c4 d5 7.e3 c6 8.bc6 bc6 9.d4 Nbd7 10.c5 Be7 11.Be2 0–0 12.0–0 Ne4 13.Ne1 Bg5 14.Bc1 e5 15.f3+/– Nef6 16.Nc3 ed4 17.ed4 f4 18.Na4 Bh6 19.Nc3 Nh5 20.Bd3 g5 21.Qc2 Ndf6 22.a4 g4? 23.Bf5 Rf7 24.Bc8 Rc8 25.a5 Rg7 26.Kh1 Qe8 27.a6?? Ng3=+ 28.Kg1 Nf1 29.Kf1 Bg5 30.a7 h5 31.Qf5 Ra8 32.Bf4 Bf4 33.Qf4 Nh7 34.Nd3 Ng5 35.Ne5 gf3 36.Nf3 Ne4?? 37.Ne4+/– de4 38.Qe5 Rf7?? 39.Qe8+– Re8 40.a8Q Ra8 41.Ra8 Kg7 42.Kf2 ef3 43.gf3 Rd7 44.Rc8 Rd4 45.Rc6 Rd2 46.Kg3 h4 47.Kh4 Rh2 48.Kg3 Rc2 49.Rc8 Kf6 50.Kf4 Ke6 51.c6 Kd6 52.Kf5 Rc5 (52...Rc5 53.Kg6 Ke5+–). bratek55 (1725) – koziolekmat (1690), kurnik, 2011.

6.c4 d5 7.e3 Bd6 8.d4 c6 9.c5 Be7 10.b6 Nbd7 11.Be2 0–0 12.0–0 Ne4 13.Nbd2 g5 14.Ne4 fe4 15.Ne1 Bf6 16.f4 Kh8 17.Bg4 Qe7 18.f5?? ef5–/+ 19.Bf5 Rg8?? 20.Qg4?? Bg7?? 21.Bd7 Bd7 22.Qg3 Raf8 23.Nc2 h5 24.Rf8 Rf8 25.Rf1 Bh6 26.Bc1 h4 27.Rf8 Qf8 28.Qf2 Qg7 29.h3 g4 30.hg4 Qg4 31.Qf6 (31.Qf6 Bg7 32.Qd8 Kh7 33.Ne1=+). bratek55 (1690) – koziolekmat (1725), kurnik, 2011.

6.c4 d6 7.d4 Nbd7 8.Nbd2 Be7 9.g3 0–0 10.Bg2 Kh8 11.0–0 Ng8 12.e4 f4 13.Qc2 Qe8 14.e5 Qh5 15.Qe4 Nh6 16.ed6 Nf6?? 17.Qe5 Nf5?? 18.de7+– Re8 19.Qc7 Re7 20.Qe5 Bd7 21.Qf4 Rg8 22.Qg5 Qe8 23.Ne5 Bc8 24.d5 ed5 25.Bd5 Nd5 26.cd5 Re5 27.Be5 Qe5 28.Rae1 Qd5 29.Ne4 h6 30.Qd2 Qb5 31.Nd6 Nd6 32.Qd6 Bd7 33.Qb4?? Qa6?? 34.Rd1 Bc6 35.f3 Qa8 36.Qd4 Qe8 37.Rde1 Qf7 38.Qe5 Qb3 39.Qe3 Qc4 40.Rc1 Qd5 41.Rc6?? Qc6 42.Qe4 Qc3 43.Qb7 Qc5 44.Kg2 Qa3 45.Rf2 Qb3 46.Qe4 a3 47.Qe1 Rc8 48.Qa1?? a2 49.Ra2 1–0. bratek55 (1705) – koziolekmat (1710), kurnik, 2011.

6.e3 d5 7.c4 Bd6 8.d4 c6 9.c5 Be7 10.b6 Nbd7 11.Nbd2 0–0 12.Bd3 Ne4 13.0–0 Bf6 14.Rc1?? Kh8?? 15.Ne5 Be5 16.de5 Qg5?? 17.Nf3 Qh6 18.g3?? Ndc5 19.Bd4 Nd7 20.Be4 fe4 21.Nh4 g5 22.Ng2 Rf3 23.Ne1 Qh5?? 24.Ng2?? Nf8 25.Bc5 Bd7 26.Bf8 Raf8=+ 27.Qa4 Be8 28.Qb4 R8f7 29.Qd6 Qg6 30.h4 h6 31.hg5 hg5 32.Qd8? Rf8?? 33.Qd6 Qf5 34.Rc2 Rg3! 35.Qf8 Qf8 36.fg3 Qg7 37.Rf6 Bh5 38.Rc6?? bc6–+ 39.b7 Qb7 40.Rh6 Kg7 41.Rh5 Kg6 42.Rh8 Qb1 43.Kh2 Qb2 44.Rc8 Qa3 45.Rc6 Kf5 46.Rc8 Qa2 47.Rg8 Kg4 48.Re8 Kf3 (48...Kf3 49.Rf8 Ke2–+) 0–1. bratek55 (1685) – koziolekmat (1730), kurnik, 2011.

4.a3 b6

5.c4 a5 6.b5 Bb7 7.e3 g6 8.Be2 Bg7 9.0–0 0–0 10.d4 Ne4 11.Nbd2 d6 12.Qc2 Nd7 13.Rad1 Qe7 14.Nb3 e5 15.Rfe1 Ng5 16.Nbd2 f4 17.ef4 Rf4 18.Qb3 Kh8 19.de5 Ne5 20.Ne5 Be5 21.Bf1 Qf6 22.Be5 de5 23.Qe3 Rf8 24.Qe5 Rf2 25.Qc7?? (better is 25.Qf6 R2f6 26.Re7+=) 25...Rg2!! 26.Kh1 (26.Bg2 Qf2 Mate attack) 26…Rg1!! (26...Rg1 27.Kg1 Qf2) 0–1. Galoic,Boris (1960) – Djurkovic,Maks (2095), Hum na Sutli op, 2008.

5.c4 Bb7 6.Nc3 Be7 7.d3 0–0 8.Qc2 a5 9.b5 d5 10.Ng5 Qc8 11.f3 h6 12.Nh3 dc4 13.dc4= e5 14.e4 fe4 15.fe4 Nbd7 16.Nf2 Bc5=+ 17.Nfd1 Qe8 18.Be2 Rd8 19.Nd5 Qg6 20.Bd3 Bd5 21.cd5=+ Ng4 22.Qe2 Nf2–+ 23.Rf1 Nd3 24.Qd3 Qg2 25.Rf8 Rf8 26.Qe2 Qg5 27.Bc1 Qg1 28.Kd2 Qd4 29.Kc2 Nf6 30.Bb2 Qa4 31.Kb1 Ne4 32.Be5 Qb3 33.Bb2 Rf1!! 34.Kc1 Be3 (34...Be3 35.Qe3 Rd1#) 0–1. Eldridge,JET – Wallis,Philip N, Whitby British ch, ENG, 1962.

5.c4 Bb7 6.Nc3 Be7 7.e3 0–0 8.d3 Qe8 9.Qc2 c5 10.bc5 bc5 11.Nb5 Qd8 12.Be2 Nc6 13.0–0 a6 14.Nc3 Rb8 15.d4 cd4 16.ed4 Na5 17.c5 Nd5 (17...d6 18.Rad1=) 18.Nd5+= Bd5 19.Ne5 (19.Ba6!? d6 20.Rfe1+=) 19...d6+= 20.cd6 Qd6 21.Bf3 (21.Rab1 Nc6 22.Qa4 Rb7=) 21...Rfc8+= 22.Qe2 Nc4 23.Bd5 ed5 (worse is 23...Nb2 24.Ng6 Kf7 25.Be6 Qe6 26.Qe6 Ke6 27.Rfe1 Kd7 28.Ne7+/– (worse is 28.Re7 Kd6=)) 24.Bc1 Ne5 25.de5 Qe6 26.f4 Rc4 27.Kh1 Rbc8 28.Be3 d4 29.Bd2 Qd5 30.Qd3 Qe4 31.Rf3 Rc2 (31...Qd3 32.Rd3 Kf7 33.Kg1+=) 32.Re1 (32.Qa6 Ba3 33.Raa3+/– (33.Rfa3?? Rc1 34.Qf1 Rf1 35.Rf1 Rc2–+)) 32...Qd3+= 33.Rd3 R8c4 34.e6 g6 35.g3 Kf8 36.Rb1 Rc6 37.Rb8 Kg7 38.Rd4 Re6 39.Rd3 Rec6 (39...Re2 40.Rb7 Kf8–+ (40...Rcd2?! 41.Rd2 Rd2 42.Re7 Kf6 43.Rc7=)) 40.Rb7+= Rc7 41.Rc7 Rc7 42.Bc3 Kf7 43.a4 Ke6 44.a5 Rc4 ½–½. Drljevic,L (2255) – Di Primio,E (1970), 16th ECC w Rogaska Slatina SLO, 2011. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.c4 Bb7 6.d4 g6 7.e3 Bg7 8.Be2 0–0 9.0–0 d6 10.Nbd2 Nbd7 11.Ng5 Qe7 12.Bf3 h6? 13.Bb7+– Rab8 14.Ne6! Rb7? 15.Nf8 Bf8 16.Qb3 Kh7 17.Nf3 Ne4 18.Rfd1 Ndf6 19.a4 Bg7 20.d5 Nd7 21.Bg7 Qg7 22.Nd4 Ne5 23.Ne6 Qf7 24.f3 Nf6 25.a5 Rb8 26.ab6 ab6 27.Ra7 Rc8 28.Rda1 Ne8 29.c5 dc5 30.bc5 Qd7 31.cb6 Ng7 32.Rc7 Rc7 33.Nc7 g5 34.b7 Qc7 35.b8Q Qb8 36.Qb8 (36.Qb8 Ng6 37.Ra7 Ne5 38.Qe5 Kg6 39.Qg7 Kh5 40.Ra6 Kh4 41.Qh6) 1–0. bratek55 (1650) – kobra03 (1605), kurnik, 2011.

5.c4 Bb7 6.d4 g6 7.e3 Bg7 8.Be2 d6 9.0–0 Nbd7 10.Ng5 Qe7 11.Bf3 Bf3 12.Nf3 h6 13.Qb3 0–0 14.Nbd2 Kh7 15.Rfe1 e5 16.de5 de5 17.Rac1 c5 18.Red1 e4 19.Ne1 Rfd8 20.Nf1 Ne5 21.Ng3 Rd1 22.Rd1 Rd8?? 23.h3?? Rd1–+ 24.Qd1 Qd7?? 25.Qc2 Qd6 26.Ne2 Nfd7 27.Nf4 cb4 28.ab4 Qb4 29.Be5?? Ne5 30.Qc1 Qc4 31.Qc4 Nc4 32.Nc2 b5 33.Nd5 a5 34.Kf1 b4 35.Ke2 b3 36.Nd4 b2 37.Nc3 a4! 38.Nb1 a3 0–1. bratek55 (1705) – kobra03, kurnik, 2011.

5.c4 c5 6.b5 Bb7 7.e3 Be7 8.d4 0–0 9.Nc3 d5 10.Be2 Nbd7? 11.0–0 Qc7 12.Rc1 Rad8 13.Ng5 Qd6 14.dc5 Nc5 15.Nf3 Kh8 16.Nd4 Nfe4 17.Nf3 Bf6 18.Ne4 fe4 19.Bf6 Rf6 20.Nd4 e5–/+ 21.Nb3 d4 22.Nc5 bc5 23.Qb3 Rg6 24.Rfd1 Qf6 25.ed4? ed4 26.g3 Rf8 27.Rf1 Qf5 28.f4 ef3 29.Bd3?? f2 (29...f2 30.Rf2 Qf2#) 0–1. Palmeiro,Arturo (1670) – Vitic,Zikica (2060), Thorigny op, 2006.

5.d3 Bb7 6.Nbd2 Nc6 7.g3 d5 (7...Be7 8.Bg2=) 8.Bg2 Bd6 9.c4 Qd7 10.Qc2 Be7 (10...0–0!?=) 11.0–0 h6? (better is 11...0–0+/–) 12.b5+– Nd8 13.Rac1 (13.Ne5 Qd6 14.Ng6 Rh7+–) 13...Rc8? (13...0–0 14.Ne5 Qe8 15.d4+/–) 14.Rfe1?? (better is 14.Ne5 Qd6 15.cd5 ed5 16.Ng6+–) 14...Nf7 15.Qa4 (15.e4 de4 16.de4 fe4+–) 15...a5 (15...a6 16.Nh4 ab5 17.cb5+=) 16.Rcd1 (16.cd5 ed5 17.e4 fe4 18.de4+/–) 16...c5? (better is 16...c6+=) 17.cd5+– ed5 18.Qb3?? (better is 18.e4!? fe4 19.de4+–) 18...Nd6 (18...0–0 19.e4 fe4 20.de4+/–) 19.a4+= Qe6 20.e4 c4 21.Nd4 (21.dc4 de4 22.Ne5 0–0+/–) 21...Qd7 (21...cb3!? 22.Ne6 fe4 23.Nb3 Kf7=) 22.dc4 dc4? (better is 22...de4 23.Ba3 0–0+/–) 23.Nc4+– Nc4 24.Nc6 Bc6 25.Rd7 (better is 25.Bf6 gf6 26.bc6 Qc6 27.e5+–) 25...Bd7+/– 26.e5 (better is 26.Bf6 gf6 27.ef5+/–) 26...Ne4+= 27.Bd4 (better is 27.e6 Be6 28.Be4 fe4 29.Re4=) 27...Ned2 (better is 27...Bb4 28.Re2 Ned2–/+) 28.Qd1+= Be6 29.Qh5 Kf8?? (better is 29...Bf7 30.Qf5 0–0+=) 30.Bd5! Bd5 31.Qf5 Bf7?? (31...Kg8 32.Qc8 Kh7 33.Qf5 Kg8+–) 32.Qc8 Be8 33.Qf5 Kg8 34.Kg2 (better is 34.Rc1 Ba3 35.Rc4 Nc4+–) 34...g6 (34...h5 35.Rc1 Rh6 36.Qc8+–) 35.Qc8 (better is 35.Qe6 Kf8 36.Rc1+–) 35...Kh7 (35...Kf8 36.Rc1 Rh7+–) 36.Qb7 Rf8 37.Qe7 Kg8 38.e6 Rf2 39.Kh3 Rh2 40.Kg4 h5 41.Kg5 Nf3 42.Kf6 Nd4 43.Qg7 1–0. Pham,Anh Trung (1860) – Le,Quang Long (1925), Ho Chi Minh VIE, Ch U17 (b), 2014. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6 4.a3 b6)

5.d3 Bb7 6.Nbd2 Be7 7.g3 0–0 8.Bg2 Nc6 9.0–0 d5 10.c4 dc4 11.dc4 Rb8 12.Nb3 a5 13.Qd8 Rfd8 14.b5 Na7 15.Rfd1 c6 16.Rd8 Rd8 17.Ne5 Ba8 18.bc6+– Rc8 19.Rd1 Bc6+= 20.Nc6 Nc6 21.h3 Ne5?? 22.Be5+– Rc4 23.Rc1 Ra4? 24.Rc6 Ra3 25.Rb6 Bb4 26.Bf6 Rb3 27.Bd4 a4 28.Ra6 a3 29.e3 Be1 30.Kf1 Rb1 31.Ke2 Bb4 32.e4 Kf7 33.ef5 ef5 34.Bd5 (34.Bd5 Ke7 35.Bg7+–) 1–0. sagonek – motlajs, kurnik, 2011.

5.d3 Bb7 6.Nbd2 Be7 7.g3 0–0 8.Bg2 Qe8 9.0–0 Qh5 10.e3 Nc6 11.c4 Nd8 12.Nd4 Qd1 13.Rfd1 Bg2 14.Kg2 c5 15.Nc2 Nf7 16.Nb3 Rfc8 17.b5 d5 18.a4 dc4 19.dc4 Rd8 20.f3 Rd1 21.Rd1 Rd8 22.Rd8 Bd8 23.Kf2 Nd7 24.Ke2 Nd6 25.Nd2 Kf7 26.Kd3 Bf6 27.Bf6 Kf6 28.f4 e5 29.Na3 e4 30.Ke2 h6 31.Nab1 Ke6 32.Nc3 Nf6 ½–½. Tica,Sven (1780) – Peric,D (1915), 5th Mediterranean Open, 2011. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.e3 Be7 6.Nc3 0–0 7.Bc4 Bb7 8.Ne2 (8.0–0 a6=) 8...d5 (8...a5 9.b5+=) 9.Bb3 Bd6 10.Ned4 Qe8 (10...Qd7 11.c4=) 11.Ne2 (better is 11.Ng5!? Bc8 12.Nf5 ef5 13.Bf6 gf6 14.Bd5 Kg7 15.Ne6 Be6 16.Ba8+=) 11...Nbd7 12.Ba4 a6 13.Ned4 b5 14.Bb3 c5 15.bc5 Nc5 16.Ba2 Na4 17.Bc1 Rc8 18.Ng5 Qg6 (18...Nc5 19.f4–/+) 19.Nge6 Qg2 20.Rf1 (20.Qf3 Qf3 21.Nf3 Rfe8+= (worse is 21...Rc2 22.Nf8 Bf8 23.Nd4+/–)) 20...Rfe8 (20...Ng4 21.Nf3 Rf6 22.Ned4–/+) 21.Ng7 (21.f4 Qh2 22.Qf3 Qh4 23.Kd1 g6–/+) 21...Qg7 22.Nf5 Qd7 23.Nd6 Qd6 24.Qf3 Qe5 25.Qg3 Kh8 (25...Qg3!? 26.fg3 Ne4 27.d3–+) 26.Qe5–/+ Re5 27.d4 (better is 27.Bb3!? Nc5 28.Bb2–/+) 27...Rh5–+ 28.Bb3 (28.Rh1 Ng4 29.Bb3 Nh2–+) 28...Nc3 (28...Rh2 29.Ba4 ba4 30.Rb1–+) 29.Bd2 (29.Rh1 Nfe4 30.Bb2 a5–+) 29...Nfe4 (better is 29...Rh2 30.Bc3 Rc3 31.a4–+) 30.f3? (30.Bc3 Rc3 31.Rh1–+) 30...Nd2 31.Kd2 Rh2 32.Kd3 Rc7 33.Rg1 Rh3 34.Rg5 Rf3 35.Rag1 Rf8 36.R1g2 a5 37.e4 0–1. Vasilev,Sergey – Breen,Anthony (1660), FSFMB July Budapest HUN, 2011. (=1.Nf3 e6 2.a3 b6 3.b4 f5 4.Bb2 Nf6)

5.Bf6 Qf6 6.d4 Bb7 7.e3 Bd6 8.Nc3 a6 9.Be2 0–0 10.–0 Qh6 11.h3 (11.d5 e5 12.e4 fe4 13.Ne4 Qg6=) 11...Qf6 (11...g5 12.Ne5 Be5 13.de5+=) 12.b5 a5 13.Qd3 Be7 14.Qc4 Bd8 (14...Rc8 15.Rfd1=) 15.d5+= Kh8 16.Rfd1 e5 17.e4 d6 18.ef5 (18.Bd3 fe4 19.Qe4 Qh6=) 18...Qf5= 19.Bd3 Qh5 20.Re1 Nd7 21.Re3 Nc5 22.Rae1 Bc8 23.Ne4 Nd3 24.cd3 Bd7 (better is 24...Bb7!?=) 25.d4+/– ed4 26.Nd4 Rc8 27.a4 Qh4 28.Ne6 Be6 29.de6 Be7 30.Qc6 1–0. Montag,Wilfrid Franz – Kribbe,Wolfgang, FRG–ch M11–D corr, 1989. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.g3 Bb7 6.Bg2 c5 7.b5 Be7 8.0–0 0–0 9.d3 d6 10.Nbd2 e5 11.Re1 (11.e4 fe4 12.de4 Qe8+= (worse is 12...Ne4 13.Ne5 de5 14.Ne4+–)) 11...Qe8 12.a4 Nbd7 (12...a6 13.c4+=) 13.a5 (13.Ne5 Bg2 14.Nd7 Qd7 15.Kg2 f4+/–) 13...a6 14.ba6 Ra6 (worse is 14...Ba6 15.Nh4 Qh5 16.Ba8 Ra8 17.e4 Qd1 18.Red1 fe4 19.de4+–) 15.ab6 Rb6 16.Bc3 (16.Nc4 Rb5 17.Rb1 Bd5=) 16...Qh5 (16...e4 17.de4 fe4 18.Nc4 ef3 19.ef3+=) 17.Rb1 (17.e4!?+=) 17...e4 18.Bf6 (18.Nc4 Rb1 19.Qb1 Rb8+= (worse is 19...ef3 20.ef3 Bf3 21.Re7 Bg2 22.Kg2+/–)) 18...Rf6 (18...Bf6!? 19.Rb6 Nb6 20.de4 fe4 21.Ne4 Be4 22.Qd6 Bc3+/–) 19.Nc4= ef3 20.ef3 (20.Nb6? fg2 21.h4 Qe8–+) 20...Bd8 21.Nb6 Nb6 (worse is 21...Bb6 22.Re7 Bc6 23.Rd7 Bd7 24.Rb6+/–) 22.c3 (better is 22.Qd2=) 22...Bc6?? (better is 22...f4–/+) 23.Rb6+/– Bb6 24.Qb3 Qf7 25.Qb6 Qb7 (25...Qd7 26.f4 Bg2 27.Kg2+/–) 26.Qd8+– Kf7 27.f4 Re6? (27...Qd7 28.Bd5! Kg6 29.Qd7 Bd7 30.Re7+–) 28.Re6 Qb1 (28...Ke6 29.Qg8 Kf6 30.Qf8 Ke6 31.Bc6 Qc6 32.Qg7+–) 29.Bf1 Ke6 30.Qc8 Bd7 31.Qg8 Kf6 32.Qf8 Ke6 33.Qg7 c4 (33...Be8 34.Qh7 Qe1 35.Qg7+–) 34.Qg8 (34.Qh6 Kf7 35.Qh7 Ke8 36.Qg8 Ke7 37.Qc4 Qb6+–) 34...Ke7 (34...Kf6 35.Qf8 Ke6 36.Qh6 Kd5 37.dc4 Kc6 38.Qh7+–) 35.Qc4 (better is 35.Qh7!? Kd8 36.Qg8 Ke7 37.Qc4 Qb7+–) 35...Qd1 (35...Qa1 36.Qd4+–) 36.d4 Kd8 (36...Qa1 37.Kg2+–) 37.Kg2 (37.Qg8 Kc7 38.Qh7 Kd8+–) 37...h5 (37...Ke7 38.Be2 Qe1 39.Bf3+–) 38.Be2 Qe1 (38...Qb1 39.Qa6 Ke7 40.Bh5+–) 39.Bh5 Qb1 (39...Ke7 40.h4 Qe6 41.Qc7+–) 40.Bf3 Bb5 (40...Qe1 41.h4 Qe6 42.Qe6 Be6 43.h5+–) 41.Qg8 Kc7 (41...Ke7 42.c4 Ba4 43.Bd5+–) 42.c4 Ba4 43.Qf7 Kd8 44.Qd5 Kc7 (44...Bc2 45.Qd6 Kc8 46.Qf8 Kc7 47.d5+–) 45.h4 (better is 45.Qa5 Qb6 46.Qa4 Qd4 47.Qa5 Kd7 48.Qf5 Ke7 49.Qe4 Qe4 50.Be4 Ke6+–) 45...Bc2 (45...Kd7+–) 46.Qc6 Kd8 47.Qd6 Kc8 48.Qa6 (better is 48.Qe6 Kd8 49.c5 Qb3 50.Qd6 Kc8+–) 48...Kc7 49.c5 Bd3 50.Qd6 (50.Qd6 Kc8 51.c6+–) 1–0. Tica,Sven (2175) – Tomulic,Teo (1860), Opatija CRO, 2nd Open, 2014. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.g3 Bb7 6.Bg2 Be7 7.0–0 0–0 8.d3 c5 9.bc5 bc5 10.Nbd2 Qc7 11.Rb1 Nc6 12.c4 Rab8 13.Bc3 Ng4 14.Qc2 Bf6 15.Rb2 Bc3 16.Qc3 Ba8 17.h3 Rb2 18.Qb2 Nf6 19.Qc3 Rb8 20.Rb1 Rb1=+ 21.Nb1 Qb7 22.Nbd2 Qb6 23.Nb3 Bb7 24.Nfd2 d6 25.Nf3 h6 26.e3 Kf7 27.Nbd2 Qa5 28.Qb3 Qb6 29.d4 Na5 30.Qc3 Ne4 31.Ne4 Be4 32.Nd2 Bg2 33.Kg2 Qc7 34.Kg1 Qb6 35.Qd3 Nc6 36.Nf3 Ne7= 37.e4 fe4 38.Qe4 Nf5? 39.d5+– (39.d5 Ne7 40.Qf4 Kg8 41.de6+–) 1–0. Bogdan,Dan (2360) – Forgacs,Jozsef (2355), Alfoeld Cup op, 2001.

5.g3 Bb7 6.Bg2 Be7 7.0–0 0–0 8.d3 c5 9.bc5 Bc5 10.Nbd2 Nc6 11.e4 fe4 12.de4 d5 13.e5 Ne8 14.Nb3 Ba6 15.Re1 Qd7 16.Bf1 (16.Nc5!? bc5 17.Rb1=) 16...Bf1–/+ 17.Rf1 Nc7 18.Qe2 Rac8 19.Ne1 Be7 20.Nd3 Na6 21.Qg4 Rce8 22.Rad1 Qc8 23.h4 Nc5 24.Nf4 Bd8?? (better is 24...Rf5–/+) 25.Nc5+/– bc5 26.Rd5! Bb6 (26...ed5 27.Qc8 Pinning (27.Qc8 Deflection)) 27.Rd6 Nd8 28.c4 Bc7+/– 29.Rfd1 Bd6= 30.ed6 Qd7?? 31.Nh5+– Rf7? 32.Nf6?? Rf6+/– 33.Bf6 Rf8 34.Be7 Rf5? 35.Qe4 Nc6 36.Qc6! Qc6 37.d7 h6 38.d8Q Kh7 39.Qd3 (39.Qd3 h5 40.Re1+–) 1–0. Roa Alonso,Santiago (2375) – Rivas Garcia,David, La Coruna op, 1998. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

5.e3 Bb7

6.c4 Be7 7.Be2 0–0 8.Qc2 c5 9.bc5 bc5 10.h3 Ne4 11.d3 Ng5 12.Nfd2 Bf6 13.f4 Nf7 14.0–0 Nc6 15.Nc3 g5 16.Na4 d6 17.Rab1 Ba6 18.Nf3 gf4 19.ef4 Kg7 20.Rfe1 Re8 21.Bf1 Bb2 22.Rb2 Qf6 23.Qc3 Re7 24.g4 fg4 25.Qf6 Kf6 26.hg4 Nd4 27.Nd4 cd4 28.c5 Rc8 29.cd6 Nd6 30.Re5 Nb7 31.Bg2 Rc1 32.Kf2 Ra1 33.Rb3 Ra2 34.Kg3 Rc7 35.g5 Kf7 36.f5 Rg2? 37.Kg2+– ef5 38.Rf5 Ke7 39.Rd5 Ke6 40.Rd4 Rg7 41.Rg4 Kf5 42.Rbb4 Bd3 43.Rbd4 Rc7 44.Kg3 Be2 45.Rdf4 Kg6 46.Rf6 Kg7 47.Rd4 Bb5 48.Kf4 Na5 49.Rf5 Nc6 50.Re4 Bd3? 51.Nc5 Be4 52.Ne6 Kg6 53.Rf6 (53.Rf6 Kh5 54.Rh6#; 53.Ke4?! Rf7 54.Rc5 Nb8+/–) 1–0. Poley,V (2320) – Bachmayer,J (2110), 16th Donau Open, Aschach Donau AUT, 2007.

6.Bc4 g6 7.0–0 Bg7 8.d3 Qe7 9.Nbd2 h6 10.Ne5 g5? 11.f4?? Rg8+= 12.Ng6 Qf7 13.Ne5 Qe7 14.b5 d6 15.Nef3 Nbd7 16.fg5 hg5 17.Ng5 d5 18.Bb3 Nc5?? 19.Ngf3 Ng4=+ 20.Qe2? Bb2–+ 21.Rab1 Bf6 22.h3 Ne5 23.Ne5 Be5 24.d4 Nb3 25.Rb3 Bd6 26.Qh5 Qf7 27.Qf7 Kf7 28.Nf3 Ke7 29.a4 Rg3 30.Rf2 Rag8 31.Kf1 Kf6 32.a5 e5 33.de5 Be5 34.ab6 ab6 35.Nd4 Bd4 36.ed4 Bc8 37.Rg3 Rg3 38.Rd2 Ra3 39.Rf2 Kg5 40.Ke2 Ra5 41.g4 fg4 42.hg4 Bg4 43.Ke3 Bf5 44.Rg2 Kf6 45.c4 dc4 46.Rh2 Rb5 47.Kf4 Bd3 48.Rh6 Kg7 49.Rc6 Rd5 50.Rc7 Kf6 0–1. bratek55 (1625) – kobra03 (1640), kurnik, 2011.

6.d4 Be7 7.Be2 0–0 8.0–0 Ne4 9.Nbd2 d6 10.Ne4 Be4 11.Nd2 Bb7 12.Bf3 d5 13.c4 c6 14.cd5 cd5 15.Nb3 Nd7 16.Be2 Nf6 17.Rc1 Ne4 18.Nd2 Rf6 19.f3 Nd6 20.Qb3 Rg6 21.Rc2 Nf7 22.Rfc1 Ng5 23.Kh1 a5 24.Rc7 Ba6?? 25.Ba6+– Ra6 26.b5 Ra8+= 27.a4 Kf7?? 28.Ba3+– Ke8 29.Re7 Qe7 30.Be7 Ke7 31.Rc7 Kf6 32.Qa3 Re8 33.h4 Nf7 34.Qc3 Rh6 35.g3 g5 36.Qc6 Rg8 37.Qd7 Rg7 38.Qe7 (38.Qe7 Kg6 39.Qe6 Kh5 40.g4 fg4 41.Qg4 Kg6 42.Rc6 Nd6 43.Rd6 Kf7 44.Qd7 Kf8 45.Qc8 Ke7 46.Qc7 Ke8 47.Rd8) 1–0. mihai740609 (1630) – jocemaferro, kurnik, 2011.

6.Be2 c5 7.b5 d5 8.0–0 Bd6 9.Ne5 0–0 10.f4 Nbd7 11.d4 a6 12.a4 a5 13.Nd2 Rc8 14.c4 Ne4 15.Ne4 fe4 16.Bg4 Be5?? (better is 16...Qe8=) 17.Be6+– (17.de5?! Qe8=; 17.fe5?! Qe7=) 17...Kh8 18.de5 (18.fe5?! Rf1 19.Qf1 cd4 20.cd5 de3+–) 18...d4 19.ed4 Qe8 (19...cd4 20.Qd4 (worse is 20.Bd4 Rc7+–) 20...Nc5 21.Bc8 Qc8 22.f5+–) 20.d5 Rd8 21.f5 1–0. Sorensen,Bent (2310) – Thornton,John D (2035), European Senior Team Ch, 2012. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6 5.e3 Bb7)

6.Be2 Be7 7.0–0 0–0 8.Nc3 c5 9.bc5 bc5 10.Rb1 Nc6 11.d4 cd4 12.Nd4 Bc5 13.Na4 Be7 14.Nc6 Bc6= 15.Nc3 Qc7 16.Nb5 Qa5 17.Nd4 Ba4 18.Bf3 Rac8 19.Nb3 Qc7 20.Nd4 Bc2 21.Nc2 Qc2 22.Bf6 Bf6 23.Qd7+/– Rfe8 24.Qa7 e5 25.Bd5 Kh8 26.Bb3 Qc3 27.Qd7 f4 28.ef4 ef4 29.a4 Red8 30.Qe6 Rc6 31.Qe4 Be5 32.a5 Bc7 33.Rfd1 Rf8 34.Ba4 Rg6 35.Rdc1 Qa5 36.Rb5 Qd2 37.Rc7 f3 38.g3 Qh6 39.Qf3! Rgf6 40.Rf5! Qd2 41.Rf6 gf6 42.Qf5 (42.Qf5 Rf7 43.Rf7 Qe1 44.Kg2 Qf2 45.Kf2 Kg8 46.Qh7) 1–0. Fournier,Frederic (1790) – StrongNut (1780), rated blitz game (2/12), 2002.

6.Be2 Be7 7.0–0 0–0 8.Nc3 d6 9.Nd4 Qc8 10.f4 Nc6 11.Nb3 e5 12.Bc4+= Kh8 13.Nd5 Nd5 14.Bd5 Bf6 15.b5 Ne7= 16.Bb7 Qb7 17.fe5 Be5 18.Nd4 Bd4 19.Bd4 Rf7 20.c4 Raf8 21.d3 Ng6 22.a4 a5 23.Rc1 Qc8 24.Rc2 Qe6 25.Rcf2 Ne5 26.Qd2 Ng4 27.Rf4 h6 28.Qc2 Kg8 29.Qc3 Qg6 30.h3+– Nf6 31.Rf5 Nh5 32.Rf7 Rf7 33.Rf7 Qf7 34.Qe1 Qf5 35.Qh4 Nf6 36.e4 Qe6 37.Bf6 gf6 38.Qh6 Qe5 39.Kf2 Qd4 40.Ke2 Qb2 41.Kf3 Qd4 42.Qg6 Kf8 43.Ke2 Qb2 44.Ke3 Qc1 45.Kd4 Qb2 46.Kd5 Qe5 47.Kc6 Qc5 48.Kb7 Qe5 49.Qf5 Qe7 50.Qc8 (50.Qc8 Kf7 51.Qc7 Qc7 52.Kc7+–) 1–0. market (2185) – ceann (1835), GameColony.com, 2002.

6.Be2 Be7 7.0–0 0–0 8.c4 c5 9.bc5 bc5 10.Nc3 d6 11.d4 Na6 12.Qd3 Ne4 13.Rfd1 g5 14.Nd2 Nd2 15.Rd2 cd4 16.ed4 Nc7 17.Rb1 Qc8 18.Bc1 e5 19.Rdb2 Ba6 20.de5 de5 21.Nd5 1–0. Grollemund,Bertrand – Secouard,Stephane, Vichy, 2000.

6.Be2 Be7 7.c4 0–0 8.h3 Qe8 9.g4 (better is 9.Nc3!?=) 9...fg4–/+ 10.hg4 Ng4 11.Qc2 g6 12.Rg1 Bf6 (better is 12...Bf3!? 13.Bf3 Rf3–/+) 13.Nc3= (worse is 13.Rg4 Bb2 14.Qb2 Bf3 15.Bf3 Rf3–/+) 13...Bg7 (better is 13...Ne5!? 14.Ng5 Bg5 15.Rg5 Qf7+=) 14.Rg4+/– (14.Rg4 Rf3 15.Bf3 Bf3 16.Rg3+/–) 1–0. Fries_Nielsen,Jens Ove (2365) – Reuber,Artur (2125), Luneburg Schach Open, 2013. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 b6)

4.a3 c5

5.b5 b6 6.g3 Bb7 (6...d5 7.Bg2=) 7.Bg2 Be7 8.c4 0–0 9.0–0 Ne4 (9...a6 10.a4=) 10.d3+= Bf6 11.Qc2 Bb2 12.Qb2 Nd6 (12...Nf6 13.Nc3+=) 13.Nbd2 g5 (13...Qf6 14.Qf6 gf6 15.Nh4+=) 14.Qe5 (14.h3!?+/–) 14...Nf7+= 15.Qe3 Qf6 16.Nh4?? (16.d4 g4 17.dc5 gf3 18.Bf3 Bf3 19.Qf3 d5=) 16...Bg2?? (better is 16...d5 17.cd5 ed5–+) 17.Ng2= g4? (better is 17...a6!?=) 18.f3+/– h5 19.fg4 (19.a4 a6 20.Nf4+–) 19...hg4+= 20.Nf4 Ng5 21.Kg2 d6 (better is 21...Rf7+=) 22.Qf2 (better is 22.Ne4 Ne4 23.de4+–) 22...Nd7+= 23.e4 Ne5 24.Qe3 Rae8 25.Rh1 (25.Rae1+=) 25...Nef3 (better is 25...Rf7–/+) 26.Nf3?? (26.h4 gh3 27.Nh3+=) 26...gf3–+ (26...Nf3?! 27.ef5 ef5 28.Qf2+=) 27.Kf2 Qb2 28.Ne2 Qe2 (28...fe2?! 29.Qg5 Kf7 30.Rae1 fe4 31.Re2+=) 29.Qe2 fe2 0–1. Tica,Sven (1900) – Jerkovic,Maroje (1900), 15th Open ZNG, 2012. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 c5)

5.b5 Be7 6.e3 Qb6 7.c4 d5 8.d4 0–0 9.Qb3 Rd8 10.Nc3 a6 11.Na4+/– Qc7 12.b6 Qd7 13.Ne5 Qe8 14.Nc5 Nc6 15.Ncd3 Na5 16.Qc3 Nc4 17.Nc4 dc4 18.Qc4 Nd5 19.Be2 Nb6 20.Qb3 Nd5 21.0–0 Bd7 22.Nc5 Bc5 23.dc5 Qe7 24.Be5 Qc5 25.Rfc1 Qa7 26.Qb2 Bc6 27.Bg7 Qb6 28.Qb6 Nb6 29.Bd4 Nd5 30.Rab1 Rac8 31.f4 b5 32.a4+= Bd7 33.Rc8+/– Rc8 34.ab5 ab5 35.Bb5 Bb5 36.Rb5 Nc3 37.Rb2 Ne4 38.Kf1 Rc1 39.Ke2 Rg1 40.Kd3 Rd1 41.Kc4 Rc1 42.Kb4 Kf7 43.Ra2 Rc7 44.Ra8 Nf6 45.Kb3 Kg6 46.Rf8 Rf7 47.Rf7+– Kf7 48.Bf6 Kf6 49.Kc4 h5 50.Kc5 Ke7 51.Kc6 Ke8 52.Kd6 Kf7 53.Ke5 Ke7 54.e4 fe4 55.Ke4 Kf6 56.h4 Kg6 57.Ke5 Kf7 58.f5 ef5 59.Kf5 Kg7 60.Kg5 (60.Kg5 Kf7 61.Kh5+–) 1–0. Usov,I (2015) – Martynova,A (1860), White Nights Open, St Petersburg RUS, 2008.

5.e3 a6 6.Bc3 b5 7.d4 c4 8.Bb2 Bb7= 9.Nc3 Nd5 10.Nd2 Qh4 11.Nd5 Bd5 12.Nb1 Nc6 13.Nc3+= Nb4 14.ab4 Bb4 15.Qe2 a5 16.g3 Qe7 17.f3+= a4 18.Rb1 a3= 19.Ba1 a2 20.Rb4 Qb4 21.Bg2 Ra3 22.Qd2 Bb7 23.0–0 Ra6 24.e4 0–0–/+ 25.e5 Qa5 26.Qc1 b4 27.Ne2 b3 28.Nf4 Qa3 29.Bb2–/+ Qb4 30.c3 Qe7 31.Qa1 Bc6 (32.Bc1 Rb8–+) 0–1. Schulz,Hans_Juergen – Michalek,Martin, ETC, 2003.

5.e3 cb4 6.Bb5 =.

5.bc5 Bc5

6.d4 Qb6 7.Qc1 Be7 8.e3 0–0 9.c4 d6 10.Bd3 Bd7 11.0–0 Na6 12.Nbd2 Rac8 13.Qc2 Bc6 14.Rab1 Qd8 15.Ng5 Bd7 16.e4 h6= 17.Ngf3 fe4 18.Ne4 b5 19.Nf6+= Bf6 20.Qb3 bc4= 21.Bc4 Nc7 22.Rfe1 Rb8 23.Qc2 Qe8 24.Bd3 Bc6 25.Bh7 Kh8 26.Bg6 Ba4 27.Qd3 Bb5 28.Qc2 Qd7 ½–½. Boronka,Joseph – Malmstroem,Jan, corr TKM/A008, 1999.

6.d4 Bb6 7.c4 d6 8.e3 0–0.

6.d4 Be7 7.Nbd2 0–0 8.e3 b6 9.Bd3 Bb7 10.c4 Nc6 11.0–0 Qe8 12.Re1 Rc8 13.e4 fe4 14.Ne4 Ne4 15.Be4 Bf6 16.Bc3 Qh5 17.Ne5 Qd1 18.Rad1 d5 19.cd5 Ne5 20.de5 Rc3 21.ef6 ed5 22.fg7 Kg7 23.Bd5 Bd5 24.Rd5 Ra3 25.Kf1 Rf7 26.f3 Rb3 27.Kf2 a5 28.Re3 Rb2 29.Re2 Rb4 30.Ree5 a4 31.Rg5 Kf8 32.Ke3 a3 33.Rd8=+ Ke7 34.Ra8 Kf6 35.h4 Rb3 36.Kd4 Rd7 37.Kc4 Rbd3 38.Rg4= Re3 39.Ra6 Rd6 40.Kb4+= Rd2 41.Rb6+/– Kf7 42.Rb7 Kf6 43.Rh7 a2 44.Ra7 Rb2 45.Kc4 Rc2 46.Kd4 Re1 47.Rf4 Kg6 48.Kd3+– Rg2 49.Rfa4 Kf5 50.R7a5 Re5 51.Re5 Ke5+/– 52.h5 Kf6 53.Ra5 Rh2 54.h6 Kg6 55.Ra6 Kh7 56.f4 Rf2 57.Ke3 Rg2 58.f5 Rc2 59.Ke4 Rf2 60.Ke5 ½–½. Benussi,Alberto – Malmstroem,Jan, corr TKM/A009, 1999.

6.e3 0–0 7.c4 Qb6 8.Qc2 Be7 9.Nc3 Qa5 10.Be2 Nc6 11.0–0+= b6 12.Nb5 Rb8 13.d4+/– Ne4 14.Bd3 Nd8 15.Be4 fe4 16.Bc3 Qa6 17.Bb4 Nc6 18.Ne5 Qb7+/– 19.Nc6 dc6 20.Nd6 Qc7 21.Nc8 Rbc8 22.Qe4 Rf6 23.Be7 Qe7 24.Ra2 c5 25.d5 Re8 26.Rd2 ed5 27.Qe7 Re7 28.Rd5 Rh6 29.g3 Rhe6 30.Rc1 Kf7 31.Kf1 Kf6 32.Ke2 a6 33.a4 Re5 34.Rd8 R7e6 35.Rb1+– Re4 36.Kd3 R4e5 37.Rd5 g5 38.h3 h6 39.a5! ba5 40.Ra1 Rf5 41.f4 gf4 42.gf4 Rd5 43.cd5 Rb6 44.Ra5 Kf5 45.Rc5 Rb1 46.Rc6 Rb3 47.Kd4 Rb4 48.Kc3 Rb1 49.Rh6 Ke4 50.Ra6 Ke3 51.Rf6 Rc1 52.Kb2 Rc7 53.d6 Rh7 54.Kc3 Ke4 55.Kc4 Kf3 56.Kc5 Ra7 57.Kd5 Kg2 58.Ke6 Ra8 59.d7 Kh3 60.Ke7 Kg4 61.d8Q Rd8 62.Kd8 Kf3 63.Ke7 Ke3 64.Ke6 Kf2 65.Rf8 Ke3 66.f5 (66.f5 Kd2 67.Rd8 Kc1 68.f6 Kb1 69.f7 Kb2 70.f8Q Kc3 71.Qc5 Kb3 72.Rb8 Ka4 73.Qb4#) 1–0. Efthimakis,Dimitris – Lonsdale,David Robert, b2–b4.com, 2004.

6.e3 0–0 7.Be2 b6 8.0–0 Bb7 9.c4 Nc6 10.d4 Bd6 11.Nc3 Ne7 12.Nb5 Bb8 13.a4 a6 14.Nc3 Ng6 15.Ba3 Ne4 16.Qb3 Rf6 17.Rad1 Nh4 18.Ne4 Nf3–/+ 19.Bf3 Bh2 20.Kh2 Rh6 21.Kg1 Qh4 22.Bh5 Rh5 23.f3 fe4 24.f4 Qg3 25.Qc3?? Rh2 (25...Rh2 26.Rf2 Qh4 27.Kf1 Rh1 28.Ke2 Qg4 29.Rf3 Qg2 30.Rf2 Qg4 31.Rf3 Qf3 32.Kd2 Qd1) 0–1. Hecht,Hans Joachim – Kirn,M, FRG–ch U20 Berlin, 1957.

4.a3 c6

5.c4 c5 6.e3 b6 7.b5 Bb7 8.Be2 g6 9.0–0 Bg7 10.d3 0–0 11.Nbd2 d6 12.Qb3 e5 13.d4 e4 14.Ng5 Qe7 15.d5 Bc8 16.f4 h6 17.Nh3 Kh7 18.Nf2 Nbd7 19.h3 g5 20.g4?? Rf7?? 21.Kh2?? Nf8?? 22.Rg1?? gf4–/+ 23.g5? hg5–+ 24.Rg5 fe3 25.Qe3 Bh6 26.h4 Bg5 27.hg5=+ Nh5?? 28.Bh5+– Rg7 29.Rg1 Rg8 30.Qh3 Ng6 31.Bg6 Kg6+– 32.Qh6 Kf7 33.Qh7 Ke8 34.Qg8 Kd7 35.Bf6 Qe8 1–0. bratek55 (1685) – kobra03, kurnik, 2011.

5.e3 d5 6.c4 Bd6 7.d4 0–0 8.c5 Bc7 9.Nc3 Ne4 10.Bd3 Nd7 11.Ne2 Ndf6 12.0–0+= Bd7 13.Nf4 g5 14.Ne2 Be8 15.Ne5+/– Nh5 16.f3 Nef6 17.Qe1 g4 18.fg4+– Be5 19.gh5 Bc7 20.Nf4 Bf4 21.ef4 Qd7 22.h6 Ng4 23.h3 Nh6 24.Qh4 Qg7 25.Rae1 Rf6 26.Re2 Kh8 27.Rf3 Rg6+/– 28.Rfe3 Bd7 29.a4 Ng8 30.g4 Nf6+/– 31.Qe1 Rg8 32.g5 h6 33.h4+/– hg5 34.hg5 Rh6 35.Rg3 Rh7 36.Rh2+– Rh2 37.Kh2 Nh7 38.Rh3 Rf8 39.Rh6 Re8 40.Be2 Re7 41.Bh5 Qf8 42.Qh4 Qg7 43.Kg3 Be8 44.Be8 Re8 45.Qh5 Re7 46.g6 Qg8 47.Qh4 (47.Qh4 Rg7 48.Qg5+–) 1–0. Luzuriaga,Norberto Horacio – Ato del Avellanal,I, (year?).

5.e3 d5 6.c4 Bd6 7.Be2 0–0 8.h3 Qe7 9.c5 Bc7 10.Nc3 1–0. Fournier,Frederic (1905) – adarzak (1875), Active, 2005.

5.e3 d5 6.c4 Be7 7.Be2 0–0 8.0–0 Bd7 9.Ne5 Be8 10.d3+= Nbd7 11.Nd2 Ne5 12.Be5 Nd7 13.Bc3 e5 14.f4 e4 15.de4 de4 16.Nb3 c5 17.Qd5+/– Bf7 18.Qf5 Qc7 19.Qe4+– Nf6 20.Qc2 Rae8 21.Be5 Qb6 22.b5 Nd7 23.Qc3 Bf6 24.Bf6+– Nf6 25.Bf3 Re7 26.Rfe1 Rfe8 27.Kf2 a6 28.a4 Bh5 29.h3 Bf7? 30.Nd2 h5 31.g3 Qe6 32.Bg2 Qf5 33.Re2 g5 34.Rae1 Re4 35.Ne4 Re4 36.Qc2 Bc4 37.Rd2 g4 38.h4 ab5 39.Rd8 Kh7 40.ab5?? Rf4!–+ 41.ef4 Qc2 42.Kg1 Be2 43.Rd6 Kg7 44.Bb7?? (44.b6 Ne4 45.Be4 Qe4 46.Kh2–+) 0–1. Giralt Toro,Julio (1730) – Perez Ferris,Miguel (1995), It (open) (b), 2006.

5.e3 d5 6.Be2 Nbd7 7.0–0 Be7 8.c4 0–0 9.Qb3 Ne4 10.Nc3 Nc3 11.Bc3 Bf6 12.cd5 ed5 13.b5 Nc5 14.Qb4 Ne4 15.Bf6 Qf6 16.bc6 bc6 17.Rac1 c5 18.Qb3 Be6 19.d3 d4 20.Qc2 Nc3 21.ed4 Ne2 22.Qe2 cd4 23.Nd4 Bd5 24.Nf3 Rfe8 25.Qd1 Qb2 26.Rc5 Bf3 27.Qf3 Qa3 28.Qf5 Qb4 29.g3 a5 30.d4 a4 31.Qd5 Kh8 32.Qc4 Qd2 33.Qc3 Qc3 34.Rc3 Red8 35.Rd1 a3 36.Rcc1 a2 37.Ra1 Kg8 38.Rd2 Rd5 39.Raa2 Ra2 40.Ra2 Rd4 41.Ra7 Rd8 42.Kf1 Re8 43.Kg2 h6 44.Kf3 Kh7 45.Ra4 Re7 46.Re4 Ra7 47.Kg4 Ra2 48.Rf4 Kg6 49.Kf3 Ra7 50.Ke4 Re7 51.Kd5 Re8 52.Kd6 Re2 53.Kd5 Kh7 54.Kd4 Kg6 55.Kd3 Re7 56.Re4 Rf7 57.Ke3 Kg5 58.h3 Kg6 59.Rg4 Kh7 60.Rf4 Re7 61.Kd3 Kg6 62.Re4 Rf7 63.Re2 Kf5 64.Kd4 Kg6 65.Kd5 Rf3 66.Ke4 Rf7 67.f4 Kh7 68.Re3 Kg6 69.Kd5 Ra7 70.Kd6 Kf6 71.Re6 Kf5 72.Re7 Ra6 73.Kd5 Kf6 74.Re3 Ra5 75.Kd6 Ra6 76.Kd7 Ra7 77.Kc6 Ra6 78.Kb5 Rd6 ½–½. De Pool – Khanam, Novi Sad 1990.

4.a3 d5

5.c4 dc4+= 6.e3 b5 7.Be2 a6 8.Ne5 Bb7 9.Bf3 Bf3 10.Qf3 Qd5 11.Ke2 (11.Qh3 Nbd7 12.Ng6 Rg8 13.Nf8 Rf8–/+) 11...c6 12.Qd5 cd5 13.d3 Bd6 14.Nd2 0–0 15.Ndf3 Nbd7 16.Rhd1 Ne5 17.Ne5 Rfc8 18.Rac1 Ra7 19.dc4 Be5 20.Be5 bc4 21.Rc3 a5 22.f3 (22.b5 Nd7 23.Bd6 Rb7–/+) 22...ab4–+ 23.ab4 Nd7 24.Bg3 Ra4 25.Rb1 f4 26.Bf4 e5 27.Bg3 d4 28.ed4 ed4 29.Rcc1 Ra2 30.Kf1 c3 0–1. Pereira,Prashant – Ermolaev,Andrey (1850), IECG, 2004.

5.d3 c6 6.Nbd2 a6 7.g3 Bd6 8.Bg2 0–0 9.0–0 Nbd7 10.c4 Qe7 11.cd5 ed5 12.e3 Ng4 13.Qc2 Nde5 14.Ne5 Ne5 15.Nf3 Nf3 16.Bf3 Bd7 17.Qc3 Rae8 18.Rad1 Be5 19.Qc2 Rf6 20.d4 Bd6 21.Bc3 g5 22.Bd2 g4 23.Bg2 h5 24.Bc3 Rh6 25.h4?? gh3–+ 26.Bh3 f4 27.Bd7=+ Qd7 28.Kg2? f3 29.Kf3 Qg4 30.Kg2 h4 31.Rg1 hg3 32.Kf1 Rf8 33.Be1 Qh3 34.Ke2–+ g2 0–1. sagonek – gmemepasmal, kurnik, 2011.

5.d3 Bd6 6.Nbd2 0–0 7.g3 Qe8 8.Bg2 e5 9.c4 e4 10.de4 de4 11.Nd4 e3 12.N2f3 ef2–/+ 13.Kf2 Ng4 14.Ke1 Qe3 15.Qb3 Qf2 16.Kd2 Qg2 17.c5 Kh8 18.cd6 cd6 19.Qc3?? Bd7?? 20.Nf5+= Nf6 21.Raf1?? Bf5 22.Ng5 Qd5 23.Qd4 Qd4 24.Bd4 Ne4?? 25.Ne4–/+ Nc6 26.Bg7? Kg7–+ 27.Nd6? Bh3 28.Rf8=+ Rf8 29.Nb7 Rf2 30.Nc5 Rg2?? 31.Ne4?? Bg4–/+ 32.Nc3 Nd4 33.h3 Be2 34.Ne2 Ne2 (34...Ne2 35.Ke3 Nc3–+ (35...Ng3?! 36.Kf3=); < 34...Re2 35.Kd3+/–) 0–1. sagonek – seat07, kurnik, 2011.

5.d3 Bd6 6.e3 0–0 7.Be2 c6 8.0–0 Nbd7 9.Nbd2 Qe7 10.c4 a6 11.Qb3 Kh8 12.Rac1 Rf7 13.Ng5 Rf8 14.f4 h6 15.Ngf3 Rf7 16.Ne5 Be5 17.fe5 Nh7 18.Nf3 Ng5 19.Ng5 hg5 20.cd5 ed5 21.e4! Ne5 22.ed5 Bd7?? 23.Rce1 Re8 24.Bh5 g6 25.d4 gh5 26.de5 Kh7 27.e6 Rff8 28.Qd1 Kg6 29.ed7 Qd7 30.dc6 Qc6 31.Qd4 Rf7 32.h3 g4 33.Re8 Qe8 34.Qd6 Kh7 35.Qd4 gh3?? 36.g3 h4? 37.Qh4 Kg6 38.Qd4 h2 39.Kh1 Qc6. bratek55 – 2riven4, kurnik, 2011.

5.d3 Bd6 6.e3 0–0 7.Be2 Qe7 8.0–0 c6 9.Nbd2 Nbd7 10.c4 a6 11.Qb3 Kh8 12.Rac1 h6 13.g3 Nh7 14.Nh4 Qf7 15.Qd1 Ndf6 16.e4 fe4 17.de4 de4 18.Qc2 e5 19.Ne4 Ne4 20.Qe4 Bh3 21.Ng6 Kg8 22.Nf8 Rf8 23.Bd3 Ng5 24.Qg6?? Bf1 25.Qf7= Rf7 26.Rf1 e4 27.Be2 Ne6?? 28.c5+– Bc7 29.Bc4 Re7 30.Re1 Kf8 31.Re4 Ng5 32.Re7 Ke7 33.Bg7 Nf3 34.Kg2 Nd2 35.Bd3 h5 36.Bh6 Nb3 37.Be2 h4 38.Bg5 Ke6 39.Bh4 Nd4 40.Bg4 Kd5 41.Bc8 Nc2 42.Bb7 Na3 43.Ba6 Nc2 44.Be7 Nb4 45.Be2 Be5 46.Bf3 Kc4 47.h4 Bd4 48.h5 Nd3 49.Be2 Kc3 50.Bd3 Kd3 51.h6 Ke4 52.f3 Kf5 53.Bf8 Kg6 54.Kh3 Bf6 55.Kg4 Bd8 56.f4 Kh7 57.f5 Bf6 58.Kf4 (58.Kf4 Kg8 59.Bg7+–) 1–0. bratek55 – 2riven4, kurnik, 2011.

5.d4 a6 6.e3 c6 7.c4 Be7 8.Nbd2 0–0 9.Bd3 Ne4 10.0–0 Nd7 11.Rc1 Ndf6 12.Ne5 Nd7 13.Ndf3 Bd6 14.Qc2 Be5 15.Ne5 Ne5 16.de5 Qg5 17.Qe2 Qh6 18.f3 Ng5 19.cd5 ed5 20.f4 Ne4 21.Be4 fe4 22.Bd4 Qg6 23.Qf2 Rf5 24.Qg3 Qg3 25.hg3 Rf7 26.Kf2 Bg4 27.Rh1 h5 28.Rb1 g6 29.a4 Kh7 30.Ra1 Rd7 31.Rhb1 Rdd8 32.b5 cb5 33.ab5 ab5 34.Ra8 Ra8 35.Rb5 Ra2 36.Kf1?? Be2–+ 37.Kg1 Bb5 38.e6 Be8 39.Kh2 b5 40.Bc5 Rb2 41.Ba3 Rb1 42.Bc5 b4 43.Kh3 b3 44.Bd4 Rh1 0–1. bratek55 (1740) – lcommandante (1695), kurnik, 2011.

5.d4 c6 6.e3 Bd6 7.c4 0–0 8.Nbd2 Ne4 9.Bd3 Nd7 10.0–0 Ndf6 11.Ne5 Bd7 12.f3 Ng5 13.Rc1 Rc8 14.Qa4 a6 15.Qb3 Nf7 16.f4 Be5 17.de5 Ne4 18.Nf3 h6 19.Be4 de4 20.Nd4 c5 21.bc5 Rc5 22.Rfd1 Qe7? 23.Bc3 b5? 24.Bb4 bc4 25.Rc4 Bb5 26.Rc5 (26.Rc5 a5 27.Rb5 ab4 28.Qe6 Qe6 29.Ne6+–) 1–0. bratek55 (1670) – srbisucigani (1615), kurnik, 2011.

5.d4 c6 6.e3 Bd6 7.c4 0–0 8.Nbd2 Nbd7 9.Bd3 Ne4 10.0–0 Qe8 11.Rc1 Qh5 12.Ne5 Qh6 13.f4 Ndf6 14.Ndf3 Bd7 15.Qe1 Be8 16.cd5 ed5 17.h3 Bh5 18.Be4 de4 19.Ng5 Rae8 20.Qc3 Nd5 21.Qb3 Kh8 22.Nc4 Bb8 23.Ne5 Be2?? 24.Rf2 Ba6?? 25.Nd7 Qd6 26.Nf8 Rf8? 27.a4?? Bd3 28.h4 h6 29.Nh3 Ne3 30.b5 Ng4 31.Rd2 Rd8 32.bc6 bc6 33.Qf7 Nf6 34.Rc5 Bc7 35.Rf5 Bb6 36.Rf6 Bd4 37.Bd4 Qd4 38.Kh2 Qf6 39.Qf6 gf6 40.Nf2 c5 41.Ne4=+ c4 42.Nc3 Rb8 43.Nb5 a6 44.Nd6 1–0. bratek55 (1770) – wgryciuk (1695), kurnik, 2011.

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

5.Ne5 Be7 6.e3 Nbd7 7.Nf3 0–0 8.Bd3 a5 9.c3 e5 10.Bf5= e4 11.Ng5 Ne5 12.Bh7?? Nh7–+ 13.f4 Nd3 14.Kf1 Bg5 15.Ke2 Nb2 16.Qf1 Bg4 17.Kf2 Bf4! 18.Ke1 Nd3 19.Qd3 Qh4 20.g3 Bg3! (20...Bg3 21.hg3 Qg3#) 0–1. Wloka,Frank – Kapfenstein,Armin (1720), BdF OS–011 remoteschach.de, 2004.

5.g3 c6 6.Bg2 a5 7.c3 Bd6 8.d4 0–0 9.0–0 Bd7 10.Nbd2 b5 11.Qc2 a4 12.Ne1 g5 (12...e5 13.c4 e4 14.c5+=) 13.Nd3 Be8 14.Nc5 (14.Nf3 Nfd7+=) 14...Qe7= 15.Rae1 Bg6 16.Qc1 g4 17.f3 Ra7 18.Bh1 Nbd7 19.e4 gf3 (19...fe4 20.fe4 Nc5 21.bc5 Bc7+=) 20.ed5+– Bc5 21.Re6 (21.dc5?! f2 22.Rf2 cd5+=; worse is 21.bc5 f2 22.Rf2 cd5+=) 21...Qf7 22.bc5 cd5 23.Re3 (better is 23.Ree1!? f4 24.gf4+/–) 23...f2+= 24.Kg2 f4 25.gf4 Ng4 26.Rg3 (26.Rf3 Qe6=) 26...Qf4 27.Nf3 Ne3 28.Kf2 Nf1 29.Qf4 Rf4 30.Kf1 Nf6 31.Bc1 Rf5 32.Rg5 Ne4 33.Rf5 Bf5 34.Bd2 Rf7 (34...Re7 35.Be1–/+) 35.Ke1 Bh3 36.Be3 Kg7 37.Bd2 h6 (37...Nd2?! 38.Kd2 Kf8 39.Ke3=) 38.Be3 Nc3 39.Ng1?? (39.Bd2 Ne4–/+) 39...Rf1 40.Kd2 Nb1 (40...b4 41.ab4 a3–+) 41.Ke2 Nc3 (41...Na3?! 42.Bd5 Nc2 43.Nh3 Re1 44.Kd2 Ne3 45.Ke1 Nd5 46.Kd2–/+) 42.Kd2 Nd1 (42...b4 43.ab4 a3 44.Nh3 a2–+) 43.Nh3 Ne3 (43...Rh1?! 44.Bg1 Nb2 45.Kc3=) 44.Ke3 Rh1 45.Nf4 Rh2 (45...b4!? 46.c6 ba3 47.c7–+) 46.Nd5 Rh3 47.Kd2 Kf7 48.Nb6 (48.c6 Rh2 (48...Ra3?? 49.c7+–) 49.Kd3 Ke6–/+) 48...Ke8 (48...Ke6 49.d5 Ke5 50.d6–/+) 49.d5 (better is 49.c6 Kd8 50.d5–+) 49...Ra3?? (49...Ke7 50.d6 Ke6–/+) 50.c6+– b4 (50...Ra2 51.Kd3 Ra3 52.Kd4 Ra1+–) 51.c7 Rc3 52.d6 (52.d6 Kf7 53.d7 Rc7 54.d8Q+–) 1–0. Auger,Bertrand – Sauve,Richard, Quebec Montcalm op1, 2000. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 d5)

4.a3 Be7

5.Nc3 0–0 =.

5.c4 (--> 3.c4 e6 4.a3 Be7 5.Nf3).

5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.a3 Be7 5.Nf3).

5.e3 0–0 6.c4 (--> 3.c4 e6 4.a3 Be7 5.Nf3 0–0 6.e3).

5.g3 c6 6.Bg2 0–0 7.0–0 Qe8 8.d3 a5 9.ba5 Ra5 10.c4 d5 11.Nbd2 Nbd7 12.e3 Ra8 13.Qc2 Qh5 14.a4 Bd6 15.e4 fe4=+ 16.de4 Kh8 17.Qc3 Rg8 18.e5+/– Ne4 19.Ne4 de4 20.ed6 ef3 21.Bf3 Qf5 22.Rfe1 Nf6 23.Re5 Qg6 24.h4 Qf7 25.Kg2 Bd7 26.a5 Rgf8 27.Rae1 h6 28.Qe3 Ra6 29.Bc3 Kg8 30.g4 Ne8 31.c5 Nf6 32.g5 Qg6 33.Kh2 Nd5 34.Bd5 cd5 35.Rg1 h5 36.f4 Raa8 37.Rg2 Rf7 38.Rf2 Raf8 39.Qd2 Rf5 40.Rf5 Qf5 41.Qe2 Rf7 42.Be5 d4 43.Qh5 Bc6 44.Qd1 Qe4 45.Qc1 Rf5+= 46.Kg3 Qd3= 47.Kh2 Qe4 48.Kg3 Qd3= 49.Kh2 Qe4 50.Kg3 Qd3= ½–½. Sobek,Jaroslav – Sviridov,Valentin, Hornicky Kahanec, 1980.

5.g3 d5 6.Bg2 0–0 7.0–0 Nbd7 8.d3 c5 9.c3 Qc7 10.Nbd2 e5= 11.c4 d4 12.Re1 cb4–/+ 13.ab4 Bb4 14.Ba3 Ba3 15.Ra3 a5 16.Qb3 Nc5 17.Qb2 Re8 18.Nb3 Bd7 19.Nc5 Qc5 20.Nd2 Bc6 21.Bc6 Qc6 22.Rb1 Ra7 23.Nb3 b6 24.e3 de3–/+ 25.fe3 Qf3 26.Qf2 Qf2–+ 27.Kf2 Ng4 (28.Ke2 Nh2–+) 0–1. McCarthy,Mike – Figiel,Rafal, Orang–Utan Invitational, 2001.

5.g3 d6 6.c4 0–0 7.Bg2 Nh5 8.d4+= Nd7 9.Nc3 Ndf6 10.Qc2 c6 11.0–0 Qc7 12.e4 fe4 13.Ne4 Ne4 14.Qe4 Bf6 15.Qe2 g6 16.Rfe1 b6 17.d5 Bb2 18.Qb2 cd5 19.Nd4 Ng7 20.Rac1 Qf7 21.cd5 e5 22.Ne6 Be6 23.de6 Ne6 24.Ba8 Ra8 25.Qb3 Rf8 26.f4 Nd4 27.Qf7 Rf7 28.Kg2 ef4 29.Re4 f3 30.Kf2 Ne2 31.Rc8 Kg7 32.Re3 Nd4 33.Rd3 Nf5 34.Rf3 h5 35.Ke1 Kf6 36.Kd2 Rd7 37.Rfc3 Ke6 38.R3c7 Ne7 39.Rd7 Kd7 40.Rf8 b5 41.Rb8 Kc6 42.Ra8 Kb7 43.Rf8 Kc7 44.Ke3 a6 45.Ke4+– Kc6 46.Ra8 Nf5 47.Ra6 Kb7 48.Ra5 Kc6 49.Ra7 d5 50.Ke5 1–0. Hecht,Ha (1865) – Krieger,H (2210), 17th Senior WCh, Gmunden AUT, 2007.

5.g3 0–0

6.Bg2 d5 7.0–0 c5 8.c3 Nbd7 =+. gonso (2300) – virusthenun (2440), net–chess.com, 2003.

6.Bg2 d5 7.0–0 Nbd7 8.d3 b6 9.e3 Qe8 10.Nbd2 Bb7 11.c4 c5 12.b5 Bd6 13.a4 a5 14.ba6 Ra6 15.Qb3 Qa8 16.Ra2 Bc7 17.Qc2 Bc6 18.Rfa1 h6 19.Ne1 Qa7 20.Nb1 Qb7 ½–½. Buch – Moeller Nielsen, email 4AMM–03 1997.

6.Bg2 d5 7.0–0 Nbd7 8.d3 Re8 9.c4 c6 10.Nbd2 Nf8 11.Qb3 Kh8 12.Ne5 Kg8 13.Ndf3 N6d7 14.Rad1 Ne5 15.Ne5 Bf6 16.e4 d4 17.f4 Be5 18.fe5 Ng6 19.c5 Ne5 20.ef5 Ng4 21.Rf4 Ne3 22.Re1 Ng2 23.Kg2 Qd5 24.Qd5 cd5 25.Bd4 h5 26.f6 gf6 27.Rf6 Bd7 28.Rg6 Kf8 29.Rf1 Ke7 30.Bf6 Kf7 31.Rg7 1–0. Roisman – Varela, 1993.

6.Bg2 d6 7.d3 e5 8.Nbd2 Qe8 9.0–0 Qh5 10.e3 Be6 11.Ne5 Qd1 12.Rfd1 de5 13.Bb7 Nbd7 14.Ba8 Ra8 15.Nf3 Bd6 16.c4 c6 17.d4 e4 18.d5 cd5 19.Nd4 Kf7 20.c5 Be5 21.Rab1 Bd4 22.Bd4 (worse is 22.Rd4 Ne5 23.Rdd1 Nfd7=) 22...Ng4 23.b5 Nge5 24.a4 Nd3 25.c6 Nb6 26.a5 Nc4 27.b6 Na5 28.b7 Rb8 29.Ba7 Nc6 30.Bb8 Nb8 31.Ra1 Nc5 32.Rdc1 Nca6? (better is 32...Ncd7+–) 33.Ra6! Na6 34.Rc6 (34.Rc6 Nb8 35.Rc8+–) 1–0. Vaganian,Rafael A (2630) – Rechel,Ralf (2180), GER CupT Germany, 1998. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6 4.a3 Be7)

6.Bg2 d6 7.d4 Qe8 8.c4 Ne4 9.Nc3 Nd7 10.Nd2 Nc3 11.Bc3 e5 12.0–0 Bf6 13.e3 g5 14.Re1 Qg6 15.Qc2 Re8 16.c5 dc5 17.bc5 Nf8 18.de5 Be5 19.Be5 Re5 20.Qc3 Re8 21.Rab1 f4 22.ef4 Re1 23.Re1 gf4 24.Qc4 Be6 25.Qf4 Rd8 26.Bb7 Qc2 (26...Bf5 27.Nf3 Qh5+–) 27.Qg5 (27.Qg5 Qg6 28.Qd8+–) 1–0. Ganaus,Hannes (2315) – Winiwarter,Felix (2175), AUT–ch qual Koeflach, 2006. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.a3 Be7)

4.b5 a6

5.a4 Bb4 6.Bc3 Qe7 7.e3 b6 8.d4 ab5 9.Bb5 c6 10.Bd3= Nd5 11.Bb4 Qb4 12.Qd2? Qb2–+ 13.Ra3?? Qb1 14.Qd1 Qb4 (14...Qb4 15.Qd2 Qa3–+) 0–1. Smith,T – Blaine,R, Indiana USA, 1990.

5.a4 ab5 6.ab5 Ra1 7.Ba1 c6 8.bc6 bc6 9.c4 Qa5 10.Bc3 Qa2 11.d3 Na6 12.Qc1 Nb4 13.Qb2 c5 14.g3 Bb7 15.Bg2 Qb2 16.Bb2 Nc2 17.Kd2 Nd4 18.Nh4 Bg2 19.Ng2 Bd6 20.Nc3 Ke7 21.Nb5 Nb5 22.cb5 Rb8 23.Bf6 Kf6 24.Rb1 Ra8 (24...Bc7!? 25.Ne3 Ba5 26.Kd1 d5=) 25.Ne3 Ra2 26.Ke1 Bb8 27.Nd1 Ke7 28.Nc3 Ra3 29.Nd1 d5 30.f4 Kd6 31.Rb2 Kc7 32.Kd2 Kb6 33.e3 Bd6 34.Nc3 d4 35.ed4 cd4 36.Ne2 Bc5 37.Ng1 Ra5 38.Nf3 h6 39.Ne5 Rb5 40.Nd7 Ka6 41.Nb8 ½–½. Dienz,Oliver – Langschmidt,Dirk, Ruhrgebiet VL1, 1997. (=1.Nf3 f5 2.b4 e6 3.Bb2 Nf6 4.b5 a6)

5.a4 ab5 6.ab5 Ra1 7.Ba1 Be7 8.e3 b6 9.Be2 Bb7 10.0–0 0–0 11.c4 d6 12.d3 h6 13.Qb3 Nbd7 14.Nbd2 Nc5 15.Qc2 e5 16.d4 Nce4 17.d5 Nd2 18.Qd2 Ne4 19.Qc2 Qe8 20.Bb2 g5 21.Nd2 Nc5 22.f4 e4 23.fg5 Bg5 24.Qc3 Qg6 25.Bh5 Qf6 26.Qf6 Bf6 27.Bf6 Rf6 28.Ra1 Rf8 29.Ra7 Ra8 30.Ra8+/– Ba8 31.g4 fg4 32.Bg4+/– Kg7 33.Kg2 Kf6 34.Kg3 Ke5 35.Bc8 Bb7 36.Kg4?? Bc8–+ 37.Kh5 Nd3 38.Kh6 Nf2 39.h4 Bg4 40.Kg5 Be2 41.h5 Bh5 42.Kh5 Nd1 43.Nf1 Nb2?? 44.Kg6?? Nc4–+ 45.Kf7 Kd5 46.Ke7 Na3 47.Kd7 Nb5 48.Nd2 c5 49.Ke7 c4 50.Kf6 c3 51.Nb3 Kc4 52.Nc1 d5 53.Kf5 Na3 54.Ke5 b5 55.Kd6 b4 56.Kc6 b3 57.Kd6 b2 58.Na2 b1Q 59.Ke5 Qa2 60.Kf5 Qb3 61.Ke5 c2 62.Kf5 Qc3 63.Ke6 Qe3 64.Kd6 Nb5 65.Ke6 d4 66.Kd7 d3 67.Kc6 Qd4 68.Kb7 Qb6! 69.Kc8 Qc7 0–1. bratek55 (1725) – pontuseuxinus, kurnik, 2011.

5.a4 d5 6.c4 (6.Nc3 Bd6=) 6...Bd6 7.e3 c6 (7...ab5 8.ab5 Ra1 9.Ba1=) 8.Nc3= Nbd7 (8...0–0 9.Be2=) 9.d4+= dc4 10.Bc4 Nb6 11.Be2 ab5 12.ab5 Bd7 (12...Ra1 13.Qa1 0–0 14.0–0+=) 13.Ra8+/– Na8 14.Qb3 0–0 15.Ne5 Nc7 16.g3 Nfd5 17.bc6 bc6 (17...Bc6 18.Nc6 bc6 19.0–0+/–) 18.Ba3 Be8 19.0–0 Nc3 20.Qc3 Nb5 21.Bb5 cb5 22.Ra1 Be5 (22...h6 23.Bd6 Qd6 24.Qa5+/–) 23.Bf8 (23.de5?! Rf7+=) 23...Qd5? (better is 23...Bd4 24.ed4 Kf8+–) 24.de5 Kf8 25.Qc8 b4 (25...Qd7 26.Qb8 h6+–) 26.Ra8 Qb5 (26...Qd1 27.Kg2 Qd5 28.Kh3 Qb5+–) 27.Qe6 b3 28.Qd6 Kf7 29.Ra7 Kg8 (29...Bd7 30.e6 Kg6 31.ed7 Kh5 32.d8Q Qc4 33.Qd1 Kh6 34.Ra6 g6 35.Qf8 Kg5 36.f4 Qf4 37.ef4) 30.Qe6 1–0. forsetinn (2225) – roy1nc6 (1985), gameknot.com, 2014.

5.c4 d6 6.e3 e5 (6...Be7 7.Nc3=) 7.Nc3 Be7 8.Be2 0–0 9.0–0 ab5 10.cb5 c6 (10...e4 11.Ng5=) 11.a4 (11.Qb3 Kh8+/–) 11...e4= 12.Qb3 Kh8 (12...d5 13.Ne5=) 13.Ng5+= d5 14.f4 (better is 14.a5!?+=) 14...h6–/+ 15.Nh3 Nbd7 16.Nf2 (16.Qc2!?+=) 16...Nc5–/+ 17.Qc2 Be6 (better is 17...d4!? 18.ed4 Ne6–/+) 18.d4 ed3 19.Nd3 Nd3 20.Bd3 Qb6 21.Nd1 Ng4 (better is 21...Rfc8–/+) 22.a5+/– Qc7 (22...Ra5?? 23.Qc3 Bf6 24.Qa5 Qa5 25.Ra5 Ne3 26.Re1 (worse is 26.Ne3 Bb2 27.bc6 bc6+–) 26...Bb2 27.Nb2+– (27.Re3?! Bd4+–; 27.Ne3?! Bc3 28.Nc2 Be1 29.Ne1 c5+–)) 23.h3 Nf6 24.b6 Qd7 25.Be5 (25.a6 ba6 26.Ba6 Ne4=) 25...Bd6 (25...c5!?=) 26.Qb2 Ne4 27.Nf2 Be5 28.Qe5 Nd2 (28...Rfe8!?+=) 29.Rfd1+/– Nb3 Black plans d4 30.Ra3 d4 (better is 30...Nc5+=) 31.Be2?? (better is 31.ed4 Nd4 32.Bf1+–) 31...Bd5 32.Rd4 (32.a6!? ba6 33.Rb3 (33.ed4? Rfe8–+) 33...Bb3 34.Rd4–/+ (34.Qd4? Qd4 35.Rd4 a5–+)) 32...Nd4–/+ 33.Qd4 Qd6 34.Ra1 (34.Qb2 Qe7–/+) 34...Rfd8 (34...c5 35.Qc3–/+) 35.Bf1 (better is 35.a6!?+=) 35...c5–+ 36.Qc3 Rac8 (better is 36...c4!?–+) 37.Nd3+= c4 38.Ne5 Qc5 39.Be2 Kh7 40.Kf2 Qb5 41.g4 Qb3 (41...g6 42.Qa3 Rg8 43.Qd6+=) 42.Ra3= Qc3 43.Rc3 fg4 44.Bg4 Rc5 45.Bf5 Kg8 46.e4 Bf7 47.Nf7 Kf7 48.e5 Rd2 49.Ke3 Ra2 50.Be4 Raa5 51.Bb7 Rab5 52.Kd4 Ke7 (52...g5!?+=) 53.Be4+/– Rc8 54.b7 Rc7 55.h4 (55.f5 Rb4+/–) 55...Rb2 (55...g6 56.Rc4 Rbb7 57.Bb7 (57.Bg6?! Rc4 58.Kc4 Rd7=) 57...Rb7 58.h5+–) 56.f5 Rd2 57.Ke3 Rb2 58.Kd4 Rd2 ½–½. Matveenko,Yury (2185) – Artemov,Nikita (1905), Voronezh Championship Final, 2010. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.b5 a6)

5.c4 Be7 6.e3 0–0 7.Be2 d6 8.0–0 Qe8 9.d4 b6 10.Nc3 Qg6 11.c5 bc5 12.dc5+= dc5 13.Ne5 Qh6 14.f4 ab5 15.Rf3 g6 16.Nb5 c6 17.Nc3 Ra7 18.Bc4 Rb7 19.Qe2 Rd8 20.a4+/– Nd5 21.a5 Nb4 22.Na4 Qh5 23.Qf1 Bh4? 24.Nc5+– Rd2? 25.Bc3 Rg2 (25...Rc2 26.Nb7 Rc3+–) 1–0. Kjaerstad,Eivind J – Nilson,BL, corr NPSF Cup, 1991.

5.e3 ab5 6.Bb5 c6 7.Be2 Be7 8.0–0 0–0 9.c4 d5 10.Nc3 Nbd7 11.Rb1 Ne4 12.Ne4 fe4 13.Nd4 Nf6 14.a3 e5 15.Nc2 Qc7 16.cd5 cd5 17.Nb4 Qd6 18.Qb3 Kh8 19.Rfc1 Be6 20.Rc2 d4 21.Bc4 Bc4 22.Qc4 d3 23.Rc3 h6 24.f3 Rfc8 25.Qc8 Rc8 26.Rc8 Kh7 27.fe4 Ne4 28.Bc3 Qd7 29.Rc4 Nc3 30.Rc3 Qa4 31.Nd3 e4 32.Nf2 Qd7 33.Ne4 Qd5 34.d3 b5 35.Nf2 Bf6 36.Rcb3 b4 37.ab4 Qb5 38.d4 Qe2 39.b5 Bd8 40.e4 Bb6 41.Rd3 Qc2 42.Rbd1 Qb2 43.e5 Qb5 44.Re3 Qa4 45.Re4 Qc2 46.g3 Kg6 47.e6 Kf5 48.e7 Bd4 49.Rf4 Kg6 50.e8Q 1–0. Bonetti,Shane – duetrestaurant, ICC, 2002.

5.e3 Bd6 6.c4 c6 7.a4 0–0 8.Nc3 Bc7 9.d4 d5 10.Be2 Nbd7 11.0–0 Re8 12.Qc2 Nf8 13.Ba3 Ng6 14.Rfc1 e5 15.de5 Ne5 16.cd5 Nf3 17.Bf3 cd5 18.Nd5 Bh2 19.Kh2 Nd5 20.ba6 ba6 21.Qd1 Be6 22.Rc6 Nf6 23.Rd6 Qc7 24.Rc1 Qb8 25.Ba8 Qa8 26.Bb2 Ng4 27.Kg1 Qe4 28.Rd8 Bf7 29.Rc7 Ne3 30.Re8 Qe8 31.Qd4 Qf8 32.Rc8 1–0. Bendig,Frank – Assayag,Serge, IECG, 2001.

4.b5 b6

5.e3 a5 6.c4 Bb7 7.Be2 Be7 8.0–0+= 0–0 9.d4 Ne4 10.Qc2 d6 11.Nc3+= Nc3 12.Bc3 Nd7 13.Rfd1 Qe8 14.Nd2 Qg6 15.Bf3 Bf3 16.Nf3 Nf6 17.a4 Ne4 18.Bb2 Qg4 19.Ne1 Qh5 20.f3 Nf6 21.Nd3+= g5 22.Rac1 g4 23.Nf4 Qf7 24.d5+– e5 25.Ne6 Rfc8 26.Qf5 gf3 27.gf3 Kh8 28.Kh1 Qh5 29.Qh5 Nh5 30.f4 Bf6 31.fe5 Be5 32.Be5 de5 33.Rg1 h6 34.Rcf1 Rg8 35.Nc7 Rg1 36.Kg1 Rg8 37.Kf2 Nf6 38.Ke1 Ne4 39.Ne6 Rg2 40.Rf8 Kh7 41.Rb8 Rc2 42.Rb6 Rc4 43.d6 (43...Nd6 44.Rd6 Ra4 45.b6+–) 1–0. Steinbacher,Claudia – Just,Anita, BL, 2003.

5.e3 a6 6.Be2 =.

5.g3 Bb7 6.Bg2 a6 7.a4 Be7 8.0–0 0–0 9.c4 d6 10.Na3 Re8 11.Nc2 Qc8 12.Ne3 Nbd7 13.d4 Nf8 14.Qb3 h6? 15.Rac1 Kh7 16.Rfd1 Ra7 17.Bh3 g6 18.Nh4 Ne4+= 19.c5 bc5 20.dc5+= Bh4? 21.cd6+– c5 22.bc6 Bc6 23.Qb6 Qb7? 24.Qc6 Qc6 25.Rc6 Bf6 26.Bf6 Nf6 27.Bg2 Kg8 28.Rc7 Rc7 29.dc7 Rc8 30.Bb7 Rc7 31.Ba6 N6d7 32.Bb5 Ra7 33.f3 Nc5 34.Rc1 Nfd7+/– 35.Ra1 Kf7 36.Nc4 Ke7 37.Ra3 e5 38.a5+– Ke6 39.Rc3 Kd5 40.Kf2 g5? 41.Bd7 Nd7 42.Ne3 Ke6 43.Rc6 Kf7 44.Nf5 Ra5 45.Nh6 Kg7 46.Nf5 Kf7 47.Nd6 Kg7 1–0. Meyer,B (2235) – Campanile,A (2155), MTO, Biel SUI, 2001.

5.g3 Bb7 6.Bg2 Be7 7.0–0 0–0 8.c4 a6 9.a4 c5 10.d4 cd4 11.Nd4 Bg2 12.Kg2 Qc7 13.Nd2 Bb4 14.Rc1 Bd2 15.Qd2 Ne4 16.Qe3 Nc5 17.a5 ba5 18.Ba3 Rc8 19.Rfd1 a4 20.f3 0–1. hertford (2115) – timetrouble, ChessWorld.net, 2002.

1.b4 e6 2.Bb2 f5 3.Nf3 Nf6 4.b5 b6 5.g3 Bb7 6.Bg2 Be7 7.0–0 0–0 8.c4 d5 9.Nd4 Qd7 10.d3 c5 11.Nf3 d4 12.Nbd2 Bd6 13.a4 e5 14.a5 ba5 15.Ra5 Qc7 16.Qa4 Nbd7 17.Ra1 h6 0–1. algernon (2545) – vampirex (2330), net–chess.com, 2011.

5.e3 Bb7

6.a4 a6 7.a5 ba5 8.Ra5 c6 9.b6 Qb6 10.Ra2 c5 11.Bf6 gf6 12.Nh4 Nc6 13.Qh5 Kd8 14.Na3 c4 15.Be2 Ba3 16.Ra3 Qb1 17.Bd1 Nb4 18.0–0 Qc1 19.Rc3 Rc8 20.Qh6 Nd5 21.d3 Nc3 22.Qf6 Kc7 23.Qe5 Kb6 24.Qc3 cd3 25.Qb4 Ka7 26.Bf3 Qf1 27.Kf1 Bf3 28.Qd4 ½–½. Woelfelschneider – Benussi, email 4AMM–04 1997.

6.a4 Be7 7.c4 0–0 8.d3 c5 9.Be2 d5 10.Nbd2 Bd6 11.0–0 Nbd7 12.a5 Rb8 13.ab6 ab6 14.Ra7 Qc7 15.Qc2 Ra8 16.Rfa1 Ra7 17.Ra7 Qc8 18.g3 Bb8 19.Ra1 e5 20.cd5 Bd5 21.e4 fe4 22.de4 Bb7 23.Nh4 Re8 24.Nf5 Nf8 25.Qb3 Ne6 26.Nc4 Ne4 27.f3 N4g5 28.Nfd6 Qd7 29.Ne8 Qe8 30.Ne5 Kh8 31.f4 Be5 32.Be5 Nd4 33.Qe3 Ngf3 34.Bf3 Nf3 35.Kf2 Qd7 36.Bb2 Nh2 37.Qc3 Ng4 38.Kg1 Nf6 39.Re1 h6 40.Re2 Qd1 41.Qe1 Qd5 42.Bf6 Qh1 43.Kf2 Qf3 ½–½. Boersma,P – Van Heste,J, NLD–ch, 1987. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.b5 b6 5.e3 Bb7)

6.c4 (--> 3.c4 e6 4.b5 b6 5.e3 Bb7 6.Nf3).

6.Bc4 d5 7.Be2 Bd6 8.Ng5 Qe7 9.Bh5 g6 10.Be2 Nbd7 11.f4 0–0–0 12.0–0 h6 13.Nf3 Rhg8 14.Ne5 g5 15.Nc6 Bc6 16.bc6 Nc5 17.Qe1 gf4 18.ef4 Qg7 19.g3 Qg6 20.Bb5 h5 21.d4 Nce4 22.Nd2 h4 23.Rf3 hg3 24.hg3 Ng3 25.Kf2 Nfe4 26.Ke3 Qh6 27.c4 Rg4 28.Kd3 Bf4 29.Nb3 dc4 30.Bc4 Be5 31.Rd1 Qh2 32.Be6 Kb8 33.Rb1 Nf2 34.Rf2 Rf4 35.Rh2 Rf3 36.Kc2 Bd6 37.Nd2 1–0. Bonetti,Shane – certifiable (1760), ICC, 2002.

6.Be2 Be7 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3 b6 6.Be2 Bb7).

4.b5 Be7

5.a4 b6 6.e3 Bb7 7.Nh4 0–0 8.Nf3 Ng4 9.Be2 d6 10.Nd4 Nh6?? 11.Nc3?? Bc8 12.Bf3 d5 13.e4 fe4–/+ 14.Ne4 de4 15.Be4 e5 16.Nf3 Bc5?? 17.Ba8+– Nd7 18.0–0 e4 19.Be4 1–0. j1a9n55 – palantus, kurnik, 2011.

5.c4 0–0 6.Nc3 a6 7.a4 Bb4 8.Qb3 a5 9.e3 Qe8 10.d4 d6 11.Be2 Kh8 12.h3 c6 13.0–0 Qd7 14.d5 c5 15.Ng5 ed5 16.Nd5 Nd5 17.cd5 Qd8 18.Ne6 Be6 19.de6 Qe7 20.Bc4 Kg8 21.Bc3 Kh8 22.Bb4 ab4 23.Rfd1 Rd8 24.Rd5 g6 25.Rad1 Kg7 26.Qb2 Kf8?? 27.Qh8 1–0. iczker – tunino, kurnik, 2011.

5.c4 0–0 6.Nc3 d6 7.g3 Qe8 8.Bg2 Qh5 9.d3 Nbd7 10.a4 h6 11.Nd4 Nc5 12.Nb3 g5 13.Nc5+/– dc5 14.e3 Qg6 15.a5 Rb8 16.Qe2 Bd7 17.a6 b6 18.f4 Bd6 19.0–0–0 Rbe8 20.Rdf1 Kf7 21.e4 Nh5 22.e5 Be7 23.Bf3 g4 24.Bb7 Ng7 25.h3 h5 26.Qh2 Rh8 27.hg4 fg4 28.Be4 Nf5 29.Nd1 Rh7 30.Ne3! h4 (30...Ne3 31.Bg6 Pinning (31.Bg6 Deflection)) 31.gh4+– Rh4 32.Qg2 Rh1 33.Rh1 Rg8 34.Bf5 ef5 35.Qb7 Be6? (35...g3 36.Qc7 g2+=) 36.Qa7 Rd8 (36...Rc8+–) 37.Qc7 Rd3 (37...g3 38.Kd2 Qg8 39.Qb6 Bc4 40.Nc4+–) 38.a7 (38.a7 Rd7 39.Qb6+–) 1–0. Poleschi,Ricardo D – Rodi Maletich,Luis, UECC ARG email, 1998. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 e6 4.b5 Be7)

5.d3 d6 6.g3 Nbd7 7.Bg2 0–0 8.c4 Nc5 9.Nc3 e5 10.0–0 Ne6 11.e4 f4 12.Nd5 c6 13.Ne7 Qe7 14.Qe2 c5 15.Nd2 g5 16.g4 f3 17.Qf3 Nd5 18.Qd1 Ndf4 19.Nb1 Qg7 20.Nc3 Rf6 21.h3? Rh6 22.Kh2?? Ng2 23.Kg2 Nf4 24.Kg1 Nh3 0–1. Demers – Marcotte, 1982.

5.e3 (--> 1.b4 f5 2.Bb2 Nf6 3.e3 e6 4.b5 Be7 5.Nf3).

5.g3 b6 6.Bg2 Bb7 7.0–0 0–0 8.d3 a6 9.c4 c5 10.bc6 Nc6 11.Nc3 Qc7 12.Qb3 Na5 13.Qd1 h6 14.Rb1 Rab8 15.Qd2 Kh7 16.Rfc1 Bc6 17.Nb5 Qd8 18.Nbd4 Ba8 19.Bc3 Nc6 20.Rb3 Nd4 21.Bd4 Bc5 22.Be5 d6 23.Bc3 b5 24.Ba5 Qd7 25.Rcb1 Ba7 26.cb5 Rb5 27.Rb5 ab5 (27...Qb5?? 28.Rb5 ab5 29.Qb4+–) 28.Qb2 Rb8 29.Bb4 Nd5 30.Bd2 e5 31.Bh3 g6 32.Bg2 Qc7 33.Qb3 Nf6 34.h3 Bd5 35.Ng5 hg5 36.Bd5 Bf2 37.Kf2 Qc5 38.Be3 Qd5 39.Bg5 Qb3 40.ab3 Ne8 41.Ra1 Rb7 42.Ra8 Nc7 43.Rc8 Kg7 44.Be7 Ne6 45.Bd6 Kf6 46.Ra8 Rb6 47.Bb4 Nd4 (better is 47...Rc6!?+=) 48.Bc5+– Rc6 49.b4 (better is 49.Bd4!? ed4 50.Rb8+–) 49...Ne6+= 50.Be3 Rc2 51.Ra6 Kf7 52.Ra7 Kf6 53.Rb7 f4 54.gf4 ef4 55.Ba7 Ra2 56.Rd7 Rb2 57.Rd5 Ra2?? 58.Rd7 Rb2+/– 59.Bd4 Nd4 60.Rd4 Ke5 1–0. Burke,J (2075) – De Luna Butz,A (1845), London Chess Classic FIDE Open, 2010.

3.Nf3 g6

4.d3 Bg7 5.e4 d6 6.Nbd2 e5 7.ef5 gf5 8.Be2 0–0 9.g3 Nc6 10.a3 Ne7 11.Nh4 Qe8 12.0–0 Bd7 13.c4 Ng6 14.Ng6 Qg6 15.b5 Rae8 16.Qa4 a6 17.Qb3 c5 18.ba6 ba6 19.Rab1 Rb8 20.Qc2 Bc6 21.Bc1 Ng4 22.Re1 Nh2 23.Rb8 Rb8 24.Qd1 Ng4 25.Bg4 fg4 26.Ne4 Kh8 27.Kg2 Qf5 28.Qe2 Rb3 29.Rd1 Rd3 0–1. Senger – Ingenerf.

4.e3 Bg7 5.Bb5 c6 6.Ba4 d5 7.0–0 Qd6 8.a3 0–0 9.d3 b5 10.Bb3 Nbd7 11.h3 Bb7 12.Nbd2 a5 13.e4 fe4 14.de4 e5 15.Re1 ab4 16.ab4 Ra1 17.Qa1 Ra8 18.Be5 Qb4 19.Qb2 Ne5 20.Qe5 Re8 21.Qc7 Re7 22.Qb8 Ne8 23.ed5 cd5 24.Re4 Qa3 25.Qd8 Re4 26.Bd5 Bd5 27.Qd5 Kh8 28.Qe4 Nf6 29.Qc6 Qb2 30.Nf1 h6 31.Ne1 b4 32.Nd3 Qd4 33.Nd2 Qc3 34.Qc3 bc3 35.Nc4 Ne4 36.Kf1 Kg8 37.Ke2 Bd4 38.Nde5 Nf2 39.Ng6 Kg7 40.Nf4 Kf6 41.Nd5 Ke6 42.Nde3 Ne4 43.Kd3 Be3 44.Ne3 Ng3 45.Kc3 h5 46.Kd4 h4 47.c4 Kd6 48.c5 Ke6 49.Kc4 Ne4 50.Kb5 Nc3 51.Kb6 Na4 52.Kc6 Ke5 53.Nc2 Nc3 54.Kd7 Kf4 55.c6 Nd5 56.Kd6 Ke4 57.Nb4 1–0. Rau,Johann – Benussi,Alberto, corr TKM/A009, 1999.

4.e3 Bg7 5.c4 d6 6.d4 0–0 7.Nc3 c5 8.bc5 dc5 9.Be2 Nc6 10.0–0 Ne4 11.Rb1 e6 12.Ne4 fe4 13.Ne5 Ne5 14.de5 b6 15.Qd6 Qe8 16.f4 Rf7 17.Bg4 Bf8 0–1. Papakosmas,Lambros – Benussi,Alberto, corr TKM/A009, 1999.

4.e3 Bg7 5.c4 d6 6.d4 0–0 7.Nbd2 Nbd7 8.Qb3 Qe8 9.Be2 h6 10.h4 e5 11.c5 Kh8 12.cd6 cd6 13.de5 de5 14.Bb5 Ng4 15.Nc4 a6 16.Bd7 Bd7 17.0–0 Bc6 18.Nh2 Qe7 19.g3 Bf6 20.Nb6 Bh4 21.Ng4 fg4 22.Na8 Qf6 23.e4 Be4 24.Qe3 Qc6 25.Qh6 Kg8 26.Rac1 Qf6 27.Qh4 Qf3 28.Qh2 Rf5 29.Rc8 Kf7 30.Qh7 Kf6 31.Rf8 Ke6 32.Re8 Kd5 33.Qb7 Kc4 34.Qa6 Kb4 35.Rb8 Kc5 36.Rc8 Kd5 37.Nc7 1–0. Jalo – Keskinen, 1992.

4.e3 Bg7 5.Bc4 d5 6.Bb3 0–0 7.c4 e6 8.0–0 c6 9.d3 Na6 10.a3 Nc7 11.Nbd2 a5 12.Qe2 ab4 13.ab4 Ra1 14.Ra1 b5 15.Ne5 bc4 16.dc4 Bb7 17.Ba4 Qe8 18.Nb3 Ne4 19.Na5 Ba8 20.Bc6 Bc6 21.Nac6 f4 22.ef4 Rf4 23.f3 Nd6 24.Ra7 Rf7 25.Nf7 Qc6 26.Nd6 Bb2 27.Qb2 Qb6 28.Qf2 Qd6 29.c5 Qf4 30.g3 Qc1 31.Kg2 Nb5 32.Rb7 Qc4 33.Qb2 Nc3 1–0. Kossobudzki – Adamowski, corr 2. AMM PL 1992–93.

4.g3 Bg7 5.Bg2 0–0 6.0–0 a5 7.b5 c5 8.c4 d6 9.e3 e5= 10.d4 cd4 11.ed4 e4 12.Nfd2 b6 13.Nc3 d5 14.c5 bc5 15.dc5 Nbd7 16.Na4 h5 17.Nb3 h4 18.c6 hg3 19.hg3 Nb6 20.Nb6 Qb6 21.a4 Be6 22.Bd4 Qc7 23.Rc1 Ng4 24.b6 Qe7? 25.f3 ef3 26.Bf3 Qd6 27.Kg2 Qb4 28.Bc5 Qa4 29.Bg4 fg4 30.Bf8 Qe4 31.Kh2 Bf8 32.Nc5 Bc5 33.Rc5 Kg7 34.Qa1 d4 35.Rh5?? Qe2 36.Kg1 Qe3 37.Kh2 gh5 38.Qe1 Bd5 39.Qe3 de3 40.Rc1 e2 41.b7 Rf8 42.Re1 Bc6 (43.b8Q Rb8–+) 0–1. Franco,E – Garcia,Javier, Central I–Ateneo, 1991.

4.g3 Bg7 5.Bg2 0–0 6.0–0 c6 7.d3 d6 8.Nbd2 e5 9.c4 Qe7 10.Qb3 Be6 11.Ng5 h6 12.Ne6 Qe6 13.Rac1 Kh7 14.Rfd1 Nbd7 15.a4 a6 16.e3 e4 17.d4 d5 18.cd5 cd5 19.Rc7 Rab8 20.Rdc1 Ne8 21.R7c2 Nd6 22.Rc7 Rfc8 23.Rc8 Rc8 24.Rc8 Nc8 25.Qc2 Qc6 26.Qc6 bc6 27.Nb3 Bf8 28.Nc5 Nc5 29.dc5 a5 30.Bc3 ab4 31.Bb4 Na7 32.Bf1 Kg7 33.Ba6 Kf6 34.Kf1 Ke6 35.Ke2 g5 36.Kd2 h5 37.Kc2 Bg7 38.Be2 h4 39.Kb3 Kd7 40.Ba5 hg3 41.hg3 Be5 42.Bb6 Nc8 43.a5 Nb6 44.cb6 c5? 45.Bb5+– Kc8 46.a6 c4 47.Kc2 Bd6 48.Bc6 Bc5 49.b7 Kc7 50.Bd5 Ba7 51.Bc4 f4 52.gf4 gf4 53.ef4 Bf2 54.f5 Bd4 55.Kd2 Kb8 56.Bd5 e3 57.Kd3 Ka7 58.Bc4 Bc5 59.Ke4 Kb8 60.f6 Bf8 61.Kd5 Ka7 62.Ke6 Bc5 63.Kf7 1–0. bratek55 (1620) – miro59 (1805), kurnik, 2011.

4.g3 Bg7 5.Bg2 0–0 6.0–0 c6 7.e3 d6 8.d3 e5 9.Nbd2 Qe7 10.c4 h6 11.Qb3 Kh7 12.Rac1 Be6 13.Qc2 Nbd7 14.Rfd1 Bf7 15.a4 a6 16.d4 e4 17.Ne1 d5 18.cd5 cd5 19.Nb3 Rac8 20.Qb1 Nb6 21.Nc5=+ Nc4 22.Bf1 Nd6 23.b5 a5 24.Ba3 b6 25.Na6 Qd7 26.Rc8 Rc8 27.Rc1 g5 28.Rc8 Nc8 29.Qc2 Be8 30.h3 h5 31.Be2 Kh6 32.Kg2 g4 33.h4 Ng8 34.Qc7 Bf6 35.Qf4 Kg6 36.Nc7 Bf7 37.Nc2 Nge7 38.Bd1 Kg7 39.Na6 Ng6 40.Qc7 Qc7 41.Nc7 Bd8 42.Na6 Kf6 43.Na1 Be6 44.Bb3 Nge7 45.Nb8 Bc7 46.Na6 Bd6 47.Bd6 Nd6 48.Kf1 Nc4 49.Ke2 Nc8 50.Nc7 N8d6 51.Kd1 Ke7 52.Bc4 Nc4 53.Nb3 Nb2 54.Kc2 Na4 55.Ne6 Ke6 56.Na1 Kd6 57.Kb3 Nc5 58.dc5 Kc5 59.Nc2 Kb5 60.Nd4 Kc5 61.Nf5 b5 62.Ng7 b4 (62...b4 63.Nh5 Kb5+–). bratek55 (1660) – miro59 (1765), kurnik, 2011.

4.c4 Bg7

5.Qb3 0–0 6.e3 d6 7.d4 c5 8.a3 b6 9.Nbd2 Na6 10.h3 e6 11.Bd3 Bb7 12.bc5 dc5 13.Qc2 Rc8 14.0–0 Nh5 15.Rfe1 Qd6 16.Rad1 Rcd8 17.d5 Nc7 (17...Bb2 18.Qb2 ed5 19.cd5=) 18.Bg7 Ng7 19.e4 fe4 20.Ne4 Qf4 21.Neg5 (21.de6!? Nge6 22.Re3=) 21...ed5–/+ 22.Re7 Qd6 23.Bg6 hg6 (worse is 23...Qg6 24.Qg6 hg6 25.Rc7+/–) 24.Rc7 Rb8 25.Re1 (25.cd5 Rf3 26.Rb7 Rb7 27.Nf3 Re7+–) 25...Rfe8 (25...Qc7?? 26.Qg6 Qh2 27.Kh2 Rf5 28.Qh7 Kf8 29.Qh8) 26.Re8 Ne8 27.Rf7 d4 28.Ne5 d3 29.Ng4 (29.Ng4 Ng7 30.Qd2+–; 29.Nd3?! Bc8 30.Nf4 Bf5+–) 1–0. Talon,Alain (2120) – Kamaluddin,Yusof (2045), SEMI W–ch3 A3 email, 1998. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 g6 4.c4 Bg7)

5.e3 0–0 6.Be2 d6 7.d4 Qe8 8.0–0 h6 9.Nbd2 g5 10.d5 e5 11.de6 Be6 12.Nd4 Bd7 13.N2b3 Nc6 14.a3 a6 15.Qc2 Qg6 16.Bd3 Ng4 17.e4 Nd4 18.Nd4 fe4 19.Be4 Qh5 20.h3 Ne5 21.Bb7 Rae8 22.Rae1 g4 23.f4 gf3 24.Nf3 Nf3 25.Bf3 Qg5 26.Re8 Re8 27.Bd5 Kh8 28.Bg7 Qg7 29.Qd3 Rf8 30.Rf8 Qf8 31.Qg6 Bf5 32.Qg3 Qe8 33.Qf4 Qg6 34.g4 Bd3 35.Qf8 Kh7 36.Qe7 Qg7 37.Be4 Be4 38.Qe4 Kh8 39.Qa8 Kh7 40.Qa6 Qd4 41.Kg2 Qd2 42.Kf3 Qd3 43.Kg2 Qe2 ½–½. CountFromHolland – Flanker, playchess.de, 2002.

5.e3 d6 6.d4 0–0 7.Qb3 h6 8.Be2 Qe8 9.Nc3 Bd7 10.Nb5 Na6 11.d5 c5 12.a3 cb4 13.ab4 Bb5 14.cb5 Nc7 15.Nd4 Nfd5 16.b6 Bd4 17.Bd4 ab6 18.Ra8 Qa8 19.Bb6 e6 20.Bd4 Na6 21.0–0 Nab4 22.Bf3 Qc8 23.Rb1 Rf7 24.e4 Nc6 25.Rc1 Qd7 26.Rc6 bc6?? 27.ed5=+ cd5 28.h4 Qb7 29.Qe3 e5 30.Qh6 Rg7 31.Be3 f4 32.Bf4 ef4–/+ 33.Qf4 Qb1 34.Kh2 Qf5 35.Qd4 Qe5 36.Qe5 de5 37.Bd5 Kf8 38.Kg3 Ke7 39.Kg4 Kf6 40.g3 Rd7 41.Be4 Rd2 42.f3 Rh2 43.f4 ef4 44.Kf4 Rb2 45.Bf3 Rb4 46.Be4 Kg7 47.Ke5 Rb5 48.Kf4 Kh6 49.g4 Ra5 50.Bf3 Ra4 51.Be4 Rb4 52.Ke5 Rb2 53.Kf4 Rf2 54.Bf3 Ra2 55.Be4 Kg7 56.h5 gh5 57.gh5 Rh2 58.Bf3 Kf6 59.Kg3 Rb2 60.Kg4 ½–½. Kreuzer,Uwe – Jenssen,Jens, Verbandsliga Nord Baden, 1993.

5.g3 0–0 6.Bg2 d6 7.d4 c6 8.0–0 Qe8 9.Qb3 Na6 10.b5 Nc7 11.Nc3 c5 12.dc5+/– dc5 13.Ne5 Rb8 14.Rad1 Be6 15.Qa3 Qc8 16.Na4 Nce8 17.Nc5 Bc4?? 18.Nc4 (18.Nc4 b6 19.Na6 Qc4 20.Nb8 Qb5 21.Nc6+–) 1–0. Woelfelschneider,Peter – Thomzik, 2009.

5.g3 0–0 6.Bg2 d6 7.d4 Qe8 8.0–0 Nbd7 9.d5 e5 10.de6 Nb6 11.e7 Qe7 12.Nbd2 c6 13.e3 h6 14.Qc2 Be6 15.Rac1 ½–½. Molnar,P (SVK) (2290) – Meleshko,V (2280), 2nd Magic Valley IM, 2011. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 g6)

5.g3 d6 6.d4 0–0 7.Bg2 c6 8.0–0 Na6 9.Qb3 Nc7 10.a4 a6 11.Nc3 Qe8 12.Rfd1 Kh8 13.d5 Bd7 14.e3 Rb8 15.Nd4 Rd8 16.Rd2 e5 17.de6 Ne6 18.Rad1 Qe7 19.Nde2 Bc8 20.Qc2 Ng5 21.b5 ab5 (21...Nfe4 22.Ne4 fe4 23.c5=) 22.ab5 (22.cb5 d5+=) 22...Qc7 (22...Nfe4!? 23.Ne4 fe4 24.Bg7 Kg7 25.bc6 bc6 26.Qb2 Kg8=) 23.Ba3+/– Nf7 24.bc6 (24.Qa4!?+/–) 24...bc6+= 25.Nd4 c5? (25...Bd7 26.Qd3=) 26.Ndb5 (26.Nc6 Rde8 27.Nb5 Qb6 28.Nd6 Nd6 29.Rd6 Ne4 30.Be4 fe4+/–) 26...Qa5 27.Bb2 Ba6 28.Nd5 Nd5 29.Bd5 Ne5 30.Bc3 Qb6 31.Rb1 Rb8 32.Rdd1 Bb5 33.Rb5 Qc7 34.Rdb1 Rb5 35.Rb5 Rb8 36.Qb2 Rb5 37.cb5 Nd3?? (better is 37...Qe7+/–) 38.b6+– (38.b6 Qb7 39.Bg7 Qg7 40.Qg7 Kg7 41.b7+–) 1–0. Molnar,Peter (2290) – Borsos,Andor (2200), HUN–chT2 Maroczy, 2005. (=1.Nf3 f5 2.b4 Nf6 3.Bb2 g6)

3.f4 e6

4.a3= a5 5.b5 Ne4 6.Nf3 Be7 7.d3 Nf6 =.

4.a3 c5 5.b5 d6 6.Nf3 Be7 7.e3 0–0 8.Be2 Nbd7 9.0–0 a6 10.a4 ab5 11.ab5 Ra1 12.Ba1 Qa5 13.Nc3 Nb6 14.Qe1 Bd7 15.d3 Ra8=+ 16.Qd2 Nfd5 17.Rb1 Bf6 18.Nd5 Nd5 19.Bf6 gf6 20.Kf2 Qd2 21.Nd2 Ra2 22.c4 Rd2 23.cd5 ed5 24.Ke1 Ra2 25.Bf3 Be6 26.Kd1 Kf8 27.Kc1 b6 28.Rb2 Ra3 29.Rd2 Ra1 30.Kc2 Ra5 31.d4 c4 32.Kb1 Rb5–+ 33.Rb2 Rb2 34.Kb2 Ke7 35.Kc3 Bf7 36.g3 h6 37.h3 Kd7 38.Kb4 Ke6 ½–½. Schulz,Hans_Juergen – Bonetti,Shane, TT–10.19 ETC, 2004.

4.a3= Be7 5.e3 0–0 6.Nf3 a5 7.b5 Ne4 =.

4.a3 Be7 5.Nf3 0–0 6.e3 Qe8 7.d4 b6 8.Bd3 Bb7 9.0–0 Ne4 10.Nbd2 d6 11.c4 Nd7 12.Qc2 Ndf6 13.Rae1 Qh5 14.Be2 Nd2 15.Nd2 Ng4 16.Bg4 Qg4 17.Rf2 Bh4 18.g3 Bg3 19.hg3+/– Qg3 20.Kf1 Qh3 21.Ke2 Qg4 22.Nf3 Rf7? 23.Ref1 Raf8? 24.Kd3?? Be4–+ 25.Kc3 Bc2 26.Kc2 Rf6 27.d5 Rg6 28.Ng5 ed5 29.cd5 Re8 30.Ne6 Ree6 31.de6 Re6 32.Rf3 h5 33.Kd3 h4 34.R3f2 h3 35.Rh1 Qg3 36.Re2 Qf3 37.Rhh2 Qe4 38.Kd2 Qc4 39.Ke1 c5 40.bc5 dc5 41.Rh3 Rg6 42.Rhh2 Qe4 43.Rhf2 Qb1 44.Kd2 Qb2 45.Kd3 Rd6 46.Kc4 Qc1 47.Kb3 Rd3 48.Ka4 Qd1 49.Kb5 Rb3 50.Kc6–+ Qd8 51.Rd2 Qc8 52.Kd5 Rb5 53.Kc4 Ra5 54.Kb3 c4 55.Ka2 b5 56.Rb2 c3 57.Rbc2 b4 58.Kb3 Ra3 59.Kb4 Qf8 60.Kc4–+ Qc8 61.Kd3?? Qa6 62.Kd4 (62.Kd4 Qb6 63.Kd3 Qb5 64.Kd4 Ra4 65.Kc3 Ra3 66.Kd2 Qd3 67.Kc1 Ra1 68.Kb2 Qa3). mihai740609 – vaajaniemi, kurnik, 2011.

4.b5 c6 5.e3 a6 6.c4 d5 7.a4 Ne4 8.Nf3 ab5 9.cb5 Bd7? (9...Nd7) 10.Nc3 Na6?? 11.ba6 1–0. Hunstock – Casset, corr cp 1991.

4.b5 d5 5.e3 Be7 6.Be2 0–0 7.Nf3 a6 8.ba6 Na6 9.0–0 Nb4 10.a3 Nc6 11.c4 b6 12.cd5 Nd5 13.Qc2 Bb7 14.Nc3 Qd6 15.Nd5 Qd5 16.Bc4 Qd6 17.Rac1 Nd8 18.Qc3 Bf6= 19.d4 Nf7 20.Qb3 Rfe8 21.a4 Bd5 22.Ne5 Ra7 23.Ba3 Qd8 +=. Psion – Psion, 4', 1989.

4.a3 b6

5.e3 Bb7 6.Nf3 (--> 5.Nf3 Bb7 6.e3).

5.Nf3 Bb7

6.e3 Be7

7.Bc4 0–0 8.0–0 c5 9.bc5 Bc5 =.

7.Be2 a5 8.b5= 0–0 9.0–0 Qe8 =.

7.c4 0–0

8.Nc3 a5 9.b5 =.

8.Nc3 c5 9.b5 Ne4 10.d3 Nc3 11.Bc3 d6 12.Be2 Nd7 13.0–0 Bf6 14.d4 cd4 15.Bd4 e5 16.fe5 de5 17.Bb2 g6 18.Qd6 e4 19.Nd4 Nc5 20.Qg3 Bh4 21.Qe5 Qf6 22.Nc2 Nd3 23.Qf6 Bf6 24.Bf6 Rf6 25.Rad1 Rc8 26.Rd3 ed3–/+ 27.Bd3 Rd6 28.Nd4 Re8 29.c5 bc5 30.Bc4 Bd5 31.Bd5 Rd5 32.Nc6 Re3 33.Na7 Rd2 (34.Nc6 Ree2–+) 0–1. Paltrinieri – Moeller Nielsen, corr ICCF TT–4–90, 1990.

8.Nc3 Ne4 9.Be2 (9.d3 Nc3 (9...Nf6 10.Be2 Ng4 11.Qd2 a5 12.b5=) 10.Bc3 Bf6 (10...a6 11.Be2 Bh4 12.Nh4=) 11.Bf6 Qf6= 12.Be2=) 9...Bh4 10.g3 Nc3 (10...Bf6 11.0–0= a5 12.d4=) 11.Bc3 Bf6 12.d4 (12.Bf6 Qf6 13.0–0 a5=) 12...d6 13.Qb3 Nd7 14.0–0–0 (14.Rd1 a6=) 14...c5 (14...Qe7!?+=) 15.dc5= dc5 (15...Bc3 16.Rd6 bc5 17.Qc3+/–) 16.Bf6+= gf6 (worse is 16...Rf6 17.Qa4 Rf7 18.Ne5+/–) 17.Rhg1 (17.Qa4 Rf7+=) 17...Qe7 (17...cb4 18.Qb4 Kh8 19.Nd4+=) 18.g4 +=. Katalymov,Boris – Gusarov, Grd–Man Kasachstan, 1961.

8.Be2 a5 9.b5 Ne4 10.0–0 Bf6 11.d4 Qe8 12.Nfd2 =.

8.Be2 a6 9.Nc3 (9.0–0 c5 10.bc5 bc5 11.Nc3 Nc6 12.Rb1=) 9...Ne4 10.0–0 Bf6 11.Qc2 d6 12.Ne4 =.

8.Be2 c5= 9.bc5 (9.Qa4 Ne4 10.0–0 Bf6 11.Qc2 cb4 12.ab4=; 9.b5 a6 10.ba6 Na6 11.0–0 d5 12.Ne5=; 9.Qb3 Nc6 10.b5 Na5 11.Qc3 d5 12.d3=) 9...Bc5 10.0–0 Ne4 11.Nc3 Nc3 12.Bc3 =.

8.Be2 Ne4 9.0–0 Bf6 10.Qc2 Bb2 11.Qb2 a5 12.d3 =.

8.Be2 Qe8 9.0–0 (9.Nc3 c5 10.Qa4 Qg6 11.0–0 a6 12.Rfb1=) 9...Qg6 10.Nc3 a6 11.d3 Nc6 12.d4 =.

7.Be2 0–0

8.0–0 a5 9.b5 Ne4 10.d3 Nc5 (10...Bf6 11.Qc1 Nc5 12.Nc3=) 11.Ne5 (11.Nc3!?+=) 11...d6= 12.Nc4 Nbd7 (12...Na4 13.Nc3 Nb2 14.Nb2+=) 13.Bf3= Bf6 14.Bb7 Bb2 (14...Nb7 15.Qe2=) 15.Nb2= Nb7 16.d4 (16.Nc3 d5=) 16...Nf6 (16...d5 17.c4+=) 17.c4 (17.Nc3 d5=) 17...Qd7 (17...d5!?+=) 18.Nc3= Rae8 (18...d5 19.Nd3=) 19.Nd3+= Ne4 (19...Rc8 20.Rc1+=) 20.Rc1 Qe7 (20...Nd8+=) 21.Qf3 (21.Re1!?+=) 21...d5= 22.Qe2 (worse is 22.cd5 Qa3 23.de6 Nc3 24.Qb7 Ne2 25.Kf2 Nc1 (25...Qd3?? 26.Rc7 Qe3 27.Ke3 Re6 28.Kf2+–) 26.Rc1 Re7–+) 22...Qa3 23.Nb1 (better is 23.Ne4 de4 24.Ne5=) 23...Qb3–+ 24.cd5 Qb5 (better is 24...ed5!? 25.Rc7 Nbd6–+) 25.de6= c5 26.Rfd1 (26.Nc3 Nc3 27.Rc3 cd4 28.ed4 Qd5=) 26...Re6 27.Qa2 Qe8 (27...c4 28.Qc4 Qc4 29.Rc4 b5+=) 28.d5 (better is 28.Nc3!? cd4 29.Nd5+=) 28...Rd6 (28...Rh6 29.Nd2–/+) 29.Ne5 b5 30.Na3 (30.Nd2 Nd2 31.Rd2 a4–/+) 30...c4 31.Qb2 c3 32.Qb5= Qh5 33.Nf3 Rg6+= 34.Qe2 Rff6?? 35.Rc2 Rh6? 36.Rb1 Rb6= 37.Qc4 Nbd6 38.Qc7 Rb1 39.Nb1+/– Qe8 40.Nc3+– Nc3 41.Qc3 Rf6 42.Ne5 a4 43.Rc1 h6 44.Ra1 Qb5+/– 45.Qd3 Qa5? 46.Qd4 a3 47.Qd3 a2 48.Qb3 Qd2? 49.Nf3+– Qa5 50.Ra2 Qc5 51.Rc2 Qa7 52.Ra2 Qc5 53.Rc2 Qa7 54.Rc1 Rf8 55.Nd4 Rb8 56.Qd3 Qa2?? 57.Nf5 Qb2 58.Ne7 Kf8 59.Ng6 Kg8 60.Rf1 Rb3 61.Qa6 Rb6 62.Qa8 Rb8 63.Qa7 Rb7 64.Qc5 Qf6 65.Ne5 Rb2 66.Qa3 Rd2 67.Qb3 Kh7 68.Rd1 Rd1 69.Qd1 g5 70.Qc2 Kg7 71.Qc7 Kg8 72.Qb8 Kg7 73.Qc7 Kg8 74.g3 Nf5 75.Qc6 Nd6 76.Qd7 Kf8 77.Qh7 Ke8 78.Qg8 Ke7 79.Qb8 h5 80.Qc7 Ke8 81.Qd7 Kf8 82.Qh7 (82.Qh7 Qg7 83.Qh5 gf4 84.ef4+–) 1–0. Duz_Khotimirsky,FI – Kirilov,Valentins, Vilnius, 1949.

8.0–0 c5 9.b5 (9.bc5 Bc5 10.c4 Ne4=) 9...Qc7 (9...a6 10.Nc3=) 10.c4 d6 (10...a6 11.Nc3=) 11.d3 (better is 11.Nc3=) 11...Nbd7? (11...Ng4 12.Qd2=) 12.Nc3 (better is 12.Ng5 Rfe8 13.Ne6+/–) 12...Ng4 13.Bc1 (13.Qd2 Bf6+=) 13...Rad8 (13...Bf6 14.d4=) 14.h3 (14.Ng5 Bg5 A) 15.Bg4? Bf6 (15...fg4?! 16.fg5 Rf1 17.Qf1+=) 16.Bd2 fg4–+; B) 15.fg5=) 14...Ngf6? (better is 14...Bf6 15.Qc2 Nh6=) 15.Ng5+– e5 16.Ne6 Qc8 17.Nf8 Rf8 18.Bf3 e4 19.de4 fe4 20.Bg4 Ng4 21.Qg4 Bf6 22.Bd2 Qe8+/– 23.Ra2 Bc8 24.Qg3 Qf7 25.Nd5 Bd8 26.Bc3+– Bb7 27.Rd2 a6 28.a4 a5 29.f5 Re8 30.Qd6 1–0. Mlynek,Zbigniew – NN, corr ch–tt Poland, 1986.

8.0–0 Qe8 9.Nc3 a5 =.

8.c4 d6 9.d3 Nbd7 10.0–0 Qe8 11.Nbd2 (better is 11.Ng5 Qg6 12.Rf2+=) 11...Ng4–/+ 12.Bd4? (12.Qb3!? Ne3 13.Rf2–/+) 12...c5–+ 13.Bc5?? (better is 13.Ng5 cd4 14.Bg4 Bg5 15.Bh5–+) 13...dc5 14.h3 (14.h3 Ne3 15.Qa4–+) 1–0. Fournier,Frederic (1995) – PUPPETMASTER (1895), Echecs21, 2003.

3.Bf6 ef6

4.a3 a5 5.b5 c6 6.c4 cb5 7.cb5 a4 8.Nc3 Bc5 9.e3 d5 10.Na4 Bd6 11.Nc3 Be6 12.d4 0–0 13.Qb3 f4 14.Nd5 Qa5 15.Ke2 Bf7 16.e4 Re8 17.f3 f5 18.Kf2 fe4= 19.fe4 Re4 20.Bc4? Qd2–+ 21.Ne2?? Re2! 22.Be2 Nd7 23.Rhd1+– Qa5 24.Bc4 Rf8 25.Kg1 Kh8 26.Kh1 Bh5 27.Rf1 Qd2 28.Ra2 Qa5? 29.Raf2 g5 30.Qc3 Qb6?? 31.Nb4 Qd8 32.d5 Qf6 33.Qf6 Rf6 34.h3 Ne5 35.Rf4 1–0. ludice (1615) – vorvanovic, kurnik, 2011.

4.a3 a5 5.b5 d5 6.e3 Nd7 7.Ne2 Nb6 8.Nd4 Bd6 (8...Bc5 9.Nb3 Qe7 10.Nc5 Qc5 11.d4=) 9.Bd3 g6 10.g3 Bd7 11.Nc3 c5 12.bc6 bc6 13.Nde2 (13.0–0 Rb8=) 13...Qe7+= 14.a4 Bb4 15.h4 Kf7 16.Qb1 Rab8 17.Qa2 h5 18.Nd1 (18.0–0 Kg7+=) 18...Kg7–/+ 19.c3 (19.0–0 g5–/+ (19...Bd2? 20.c3+–)) 19...Bd6 20.f4 (20.0–0 c5 21.Nb2 Be6–/+) 20...c5–+ 21.Bb5 Be6 (21...Nc4 22.Bd7 Qd7 23.d3–+) 22.Qc2–/+ Rhc8 23.Kf2 Bf7 24.Nb2 d4 25.c4 Rd8 26.Ra3 Bc7 (26...Qe4 27.Rc1–/+) 27.Rd3 Nc8 (27...Nd7!?–/+) 28.ed4+= cd4 29.c5 (29.Nd4?? Bb6 30.Qc3 Qa7–+) 29...Qe4 30.Re1 Bd5 (30...Rb5!? 31.ab5 Re8+=) 31.Rg1= Na7 32.Qd1?? (32.Nd4 Bf4 33.gf4 Nb5 34.ab5 (34.Nb5?? Qf4 35.Ke1 Re8 36.Kd1 Qf2 37.Rg6 Kg6–+) 34...Qf4 35.Ke1 Qe5 36.Kd1+=) 32...Nb5–+ 33.ab5 Rb5 34.Rd4 Qf3 (34...Rb2?! 35.Re4 fe4 36.Qc1=) 35.Ke1 Rb2 36.Rf1 Qa3 37.Nc3 (37.Qc1–+) 37...Qc3! 0–1. Fabisch,C (2120) – Knoll,H (2305), TCh–AUT 2nd Mitte, 2015.

4.a3 a5 5.b5 f4 6.Nh3 Bd6 7.Nc3 Qe7 8.g3 fg3 9.hg3 c6 10.a4 Be5 11.Nf4 Bf4 12.gf4 d5 13.d4 Bf5 14.e3 Nd7 15.Bd3 Bd3 16.Qd3 g6 17.bc6 bc6 18.Rb1 0–0 19.Kd2 Rfb8 20.f5 g5 21.e4 Qd6 22.ed5 cd5 23.Qf3 Rb4 24.Rb4 ab4 25.Qd5 Qd5 26.Nd5 Ra4 27.Rb1 h5 28.Rb4 Rb4 29.Nb4 Nb6 30.Ke2 Kf7 31.Kf3 Nc4 32.Nd5 Nd6 33.Ne3 Nb5 34.Ke4 h4 35.c4 h3 36.Kf3 Nd4 37.Kg3 g4 38.Ng4 Nf5 39.Kh3 Ke6 40.Ne3 Nd4 41.f4 Kd6 42.Kg4 Kc5 43.Kh5 Ne2 44.f5 Kd4 45.Kg6 Ke3 46.Kf6 Kd4 47.c5 Kc5 48.Ke5 Kc6 ½–½. Bulcourf,Carlos – Bianchi,Guillermo, San Martin, 1987.

4.a3 Be7 5.e3 d5 6.Nf3 0–0 7.Bd3 Be6 8.Nd4= Bf7 9.Bf5 Nc6 10.Nc6 bc6+= 11.Qg4 g6 12.0–0 h5 13.Qg3+/– Bd6 14.f4 Kh7 15.Bd3 Rg8 16.Qh4 Kh6 17.g4 Rg7 18.g5 fg5=+ 19.fg5 Qg5 (19...Qg5 20.Qg5 Kg5=). 1805DYDIDIDY – Exar@, mySchach.de, 2005.

4.b5 b6 5.c4 Bb7=+ 6.e3 d5 7.Nf3 Bd6 8.Nc3 dc4 9.Bc4 Nd7 10.0–0 Ne5 11.Ne5 Be5 12.Rc1 Qe7 13.d4 Bd6 14.Re1 0–0–0 15.Qh5 g6 16.Qe2 Bb4 17.Red1 Rhe8 18.a3 Ba5 19.d5 Qa3= 20.Nb1 Qd6 21.Qd3 Qe5 22.Nc3 Re7 23.Re1 Bc3=+ 24.Rc3 Bd5 25.Bd5 Rd5–+ 26.Qc2 Rc5 27.Rc1? Rc3–+ 28.Qc3 Qc3 29.Rc3 Re6 30.h3 Kb7 31.g4 fg4 32.hg4 c6 33.bc6 Rc6 34.Rd3 Kc7 35.f4 b5 36.e4 Rc4 37.Kf2 Re4 38.Rc3 Rc4 39.Re3 Rc2 40.Kf3 Kd6 41.Rd3 Ke7 42.Ra3 Rc7 43.Ra5 b4 44.Rb5 Rc4 45.Rb7 Ke6 46.Ra7 h5 47.Ra6 Kf7 48.gh5 gh5 49.Rb6 Kg7 50.Rb7 Kg6 51.Rb5 Rc3 52.Ke2 b3 53.Kd2 Rf3 54.Ke2 Rf4 55.Rb3 h4 56.Rb8 Kf5 57.Rh8 Rg4 58.Kf3 Rg3 59.Kf2 Kg4 60.Rg8 Kh3 61.Rf8 Rg6 62.Rd8 Kh2 63.Rd4 h3 64.Rf4 (64...Rh6 65.Ke2–+). umji4 – DuckyRug, Live Game Caissa's Web, 2004.

4.b5 d5 5.d4 f4 6.e3 fe3 7.fe3 Be6 8.Bd3 c5 9.c3 c4 10.Bc2 a6 11.ba6 b5 12.Nh3 Ra6 13.0–0 b4 14.cb4 Bb4 15.Nf4 Bf7 16.Ba4 Nd7 17.a3 Bd6 18.Nc3 Bf4 19.Rf4 0–0 20.Bc2 Qe7 21.Qc1 Rb8 22.a4 Rb7 23.e4 de4 24.Be4 Rb4 25.Nd5 Qd6 26.Qc4 Rb2 27.Qc8 Nf8 28.Ne7 Qe7 29.Qa6 f5 30.Raf1 g5 31.Rf5 Qe4 32.Rg5 Ng6 33.Qf6 Qe3 34.Kh1 Qe6 35.Qe6 Be6 36.d5 Bd7 37.h4 Kg7 38.h5 Kh6 39.hg6 Kg5 40.g7 1–0. Berreteaga – Garcia, corr 1991.

4.b5 d5 5.Nf3 =+.

4.c3! a5 5.Qb3 ab4 6.cb4 Qe7?! (6...c6, 6...d5) 7.b5 Qe6 8.Qe6 de6 9.e3 Nd7 10.Nc3 Nb6 11.Nf3 Bb4 12.Be2 0–0 13.0–0 e5 = 14.Rfc1?! Be6 15.Ne1 Rfd8 16.d3 Ra3 =+ 17.Nc2 Bc3 18.Na3 Ba1 19.Ra1 Nd5 20.Rc1? Ra8 21.Nc2 Ra2 –+ 22.Bf3 Nc3 23.Kf1 e4!? 24.Nd4 ef3 25.gf3 Nb5 26.Nb5 c6 27.Nd6 Ra7 28.Ke1 Kf8 29.Kd2 Bd7 30.e4 f4 31.Kc3 Ke7 32.Nc4 b5 33.Nb2 c5 34.Rg1 g5 35.e5 Bh3 36.d4 Ra3 37.Kd2 c4 38.ef6 Kf6 39.Ke2 Ra2 0–1. A Fischer – Zwerenz, corr SOK–87–15.

4.d4 Bb4 5.c3 Be7 6.Qc2 d5 7.Nf3 0–0 8.e3 c5 9.Bd3 g6 10.g4? c4–+ 11.Bf5 gf5 12.gf5 Kh8 13.Nbd2 Qd7 14.e4 de4 15.Qe4 Bd6 16.Nc4 b5 17.Qa8?? bc4–+ 18.Rb1? Qf5 19.Rb8?? Bb8 20.Qb8 Qf3 21.Rf1 Qc3 22.Ke2 Bg4 23.f3 Qd3 24.Ke1 Rb8 (24...Rb8 25.h4 Qc2 26.fg4 Rb1) 0–1. iczker – halili500, kurnik, 2011.

4.e3 Be7 5.Nf3 0–0 6.a3 d5 7.Be2 Bd6 8.0–0 f4 9.c4 dc4 10.Bc4 Kh8 11.Nd4 fe3 12.fe3?? Be5–/+ 13.Nc3? Bd4–+ 14.ed4 Qd4 15.Kh1 Qc4 16.Qh5 Bg4 17.Qh4 Be2 18.Rf4 Qd3 19.Re1? Qd2 20.Ne2 g5 21.Qh6 Qe1 22.Ng1 Qe7 23.Rf5 Qg7 24.Qh5 Qg6 25.Qg4 Nc6 26.Nf3 Rae8 27.h3 Ne5 28.Ne5 Re5 29.Rf2 Re1 30.Kh2 f5 31.Qd4 Qg7 32.Qc3 Qc3 (32...Qc3 33.g3 f4 34.gf4 Rf4 35.Ra2 g4 36.hg4 Rg4 37.Rd2 Qg3) 0–1. horacyad2010 – monafu, kurnik, 2011.

4.a3 d5

5.d4 Bd6 6.e3 0–0 7.Nf3 Bd7 (7...a5!? 8.b5 f4–/+) 8.c4+= dc4 (8...a5!? 9.b5 Be6=) 9.Bc4+= Kh8 10.0–0 Nc6 11.Nc3 Be8 12.Bd3 Ne7 13.Re1 c6 14.Ne2 (14.Nh4 g6+=) 14...Qd7 15.Ng3 f4 (15...Bf7 16.Qc2 Be6 17.e4=) 16.Ne4 (16.ef4 Nd5 17.f5+=) 16...Bc7? (better is 16...fe3!? 17.fe3 Nd5=) 17.Nc5+/– Qc8 18.Bc4 (18.ef4 Nd5 19.Ne6 Rf7+/–) 18...Bf7 (18...fe3 19.fe3 Nd5 20.Qb3+=) 19.Qb3 (19.Bf7!? Rf7 20.Qb3+/–) 19...Bc4+= 20.Qc4 fe3 0–1. libelle_3 (1865) – baitang (1970), gameknot.com, 2015.

5.d4 Bd6 6.e3 f4 7.ef4 Bf4 8.Qf3 Bd6 9.Bd3 Be6 10.Ne2 c6 11.0–0 0–0 12.Nbc3 Qd7 13.Qh5 g6 14.Qh6 Bf5 15.Bf5 Qf5 16.Ra2 Nd7 17.b5 Rae8 18.bc6 bc6 19.h3 Nb6 20.Ng3 Qd7 21.a4 Nc4 22.Nce2 f5 23.Nf4 Qc7 24.Ngh5 gh5 25.Ne6 Re6 26.Qe6 Qf7 27.Qf7 Rf7 28.Re1 Bb4 29.Re6 Rc7 30.Rh6 Kg7 31.Rh5 Kg6 32.g4 fg4 33.hg4 Rf7 34.Rh3 Rf4 35.c3 Rg4 36.Kh1 Bd6 37.f3 Rg5 38.Re2 a5 39.Re6 Kf5 40.Reh6 Rg6 41.R6h5 Kf6 42.Rh7 Nb2 43.f4 Bf4 44.Rf3 Kg5 45.Ra7 Rh6 46.Kg2 Rh2 47.Kg1 Rh4 48.Kg2 Na4 49.Rg7 Kf6 50.Ra7 Ke6 51.Ra5 Nb2 52.Ra6 Kd6 53.Ra8 Kc7 54.Rf8 Bd6 55.R8f7 Kb6 56.R3f6 Rg4 57.Kf2 Nc4 58.Rd7 Rf4 59.Rf4 Bf4 60.Ke2 Bd6 61.Kd3 Bg3 62.Re7 Na3 63.Rg7 Bc7 64.Rg1 Bd6 65.Ra1 Kb5 66.Re1 c5 67.dc5 Bc5 68.Re5 Kc6 69.Re6 Kd7 70.Rh6 Nc4 ½–½. Woschkat – Brugnoli, corr 1998.

5.e3 a5 6.b5 a4 7.c4 Be6 8.cd5 Qd5 9.Nc3 Qb3 10.Qc1 Be7 11.Nf3 Bd7 12.Nd4 Qf7 13.Qc2 f4 14.Qe4 fe3 15.fe3 c6 16.bc6 Nc6 17.Ndb5 Kf8 18.Nc7 Ra5 19.N7b5 f5 20.Qc4 Qc4 21.Bc4 Ne5 22.Be2 Bc6 23.0–0 g6 24.h3 Bb5 25.Nb5 Kg7 26.Rac1 Nc6 27.d4 Bg5 28.Rc3 Re8 29.Kf2 Bf6 30.Rd1 Re7 31.g3 Ra8 32.Bf3 Na5 33.h4 Rd8 34.Rc5 b6 35.Rc7 Rc7 36.Nc7 Rc8 37.Rc1 Kh6 38.Rc3 Bd8 39.Nd5 Rc3 40.Nc3 Be7 41.Na4 Nc4 42.Be2 b5 43.Nc3 Na3 44.Bb5 Nb5 45.Nb5 Kg7 46.Kf3 Kf6 47.Nc3 Ke6 48.e4 Bb4 49.Nd5 fe4 50.Ke4 Be1 51.Nf4 Kd6 52.Ne2 h6 53.Kf3 Kd5 54.Ke3 Kd6 55.Kd3 h5 56.Ke4 Ke6 57.Nf4 Kf6 58.Kf3 Kf5 59.Nd5 Ke6 60.Nf4 Kf5 61.Nd3 Ba5 62.d5 Bc7 63.Nf4 Bd6 64.Ke3 g5 65.hg5 Kg5 66.Ke4 Kg4 67.Ne2 h4 ½–½. Bulcourf – Dalinger, Acasusso 1991.

4.c3 d5

5.e3 a5 6.b5 a4 7.Nf3 Nd7 8.d4 Nb6 9.Bd3 Be6 10.Qc2 Qd7 11.0–0 Be7 12.Nbd2 0–0 13.c4 dc4 14.Nc4 Nd5 15.Rab1 Nb4 16.Qc3 Nd3 17.Qd3 Rfd8 18.Rfc1 Qe8 19.Rb2 Rd5 20.b6 c6 21.h3 Bf8 22.Nfd2 Qh5 23.Nf1 Rad8 24.Ng3 Qh6 25.Ne2 g5 26.Nc3 R5d7 27.Na4 g4 28.Qf1 gh3 29.gh3 Rg7 30.Kh2 f4 31.Nd2 Rd5 32.Ne4 0–1. Piron – Peschard, 1993.

5.e3 Bd6

6.Bd3 0–0 7.Qc2 (7.Qf3 c6+= 8.Bf5 Re8 9.Bc8 Qc8 10.Ne2 Nd7 11.Nd4 a5+=) 7...g6= (7...Qd7 8.g4 fg4 9.Bh7 Kh8 10.Qg6 f5 11.Qh5 g6–/+) 8.Ne2 (8.Nf3 Re8 (8...a5 9.b5 Nd7 10.0–0 Qe7 11.c4 Ne5=) 9.0–0 Qe7 10.Nd4 a5 11.Nb5 ab4=) 8...Nc6 (8...a5 9.b5 c5 10.bc6 bc6 11.0–0 Re8=; 8...Re8 9.0–0 Nd7 10.Nd4 a5 11.b5 c5=; 8...Qe7 9.0–0 a5 10.b5 Be6 11.Nd4 c5=) 9.f4 (9.0–0 a6 10.a3 Be6 11.c4 Kg7=) 9...a6 (9...Ne7 10.0–0 Re8 11.a3 c5=) 10.a4 (10.h4 h5 11.g4 hg4=) 10...d4 (10...Qe7 11.0–0= (11.h4 h5=) 11...Be6=; 10...Be6 11.0–0 Re8=) 11.ed4 (11.Bc4 Kg7=) 11...Re8 12.Qb3 (12.Bc4 Kg7=) 12...Kg7= 13.0–0 Bf8 (13...Bb4 14.cb4 Nd4 15.Qc4 Ne2 16.Be2 Re2 17.Qe2 Qd4 18.Kh1 Qa1 19.Nc3 Qf1 20.Qf1+–) 14.Bc4 (better is 14.Na3+/–) 14...Nb4?? (better is 14...Bb4 15.d5 Bc5 16.d4 Na5+=) 15.cb4+– a5 16.Na3 Bb4 17.Nc2 Bd6 18.d5 Re4 19.Rae1 Qe8 20.Nc3 Re1 21.Re1 Qd7 22.g3 g5 23.Ne2 Qf7 24.Ncd4 Bc5 25.Kg2 Bd6 26.Ne6 Be6 27.de6 Qg6 28.Rf1 b6 29.Qf3 Rd8 30.fg5 Qg5 31.Qf5 Qh6 32.d3 Be7 33.Rf4 Kh8 34.Rh4 Qg7 35.Nf4 (35.Nf4 Ra8 36.Bd5+–) 1–0. Schuehler,Ernst – Margraf, corr SOK–87–09, 1987.

6.Bd3 a5 7.Qa4 Bd7 8.b5 –/+.

6.Bd3 a5 7.b5 =.

6.Bd3 Be6 7.Qc2 Qd7 8.Ne2 (8.Nf3 Nc6 9.Bb5 a6 10.Bc6 Qc6 11.Nd4 Qd7=; 8.f4 a5 9.b5 c5 10.c4 d4 11.Ne2 g6=) 8...Nc6 9.f4 (9.0–0 0–0= 10.Re1 Rfe8 11.a4 a5+=; 9.Bb5 0–0 10.Qa4 a5 11.ba5 Qf7=) 9...a5 (9...a6 10.a3= a5 11.b5 Ne7=) 10.b5 Ne7 11.Nd4 g5 (11...Bc5 12.Ne6 Qe6 13.0–0=) 12.0–0+= g4 (12...h6 13.Be2=) 13.Ne6+/– Qe6 14.c4 Bc5 (14...dc4 15.Bc4 Qe4 16.Bd3+/–) 15.cd5 Qd5 16.Nc3 Qd7 (16...Qe6 17.Nd1 Qd5 18.Bc4+/–) 17.Bc4 Kf8 18.Ne2 Nd5 (18...Kg7!?+/–) 19.Ng3+– Rd8 20.Bd5 Qd5 21.d4 Bb6 22.a4 (22.Qd3 Kf7 23.Nf5 h6+–) 22...Re8 (22...Qe6!?+/–) 23.Qf5 (23.Nf5?! Re4 24.Nh6 g3=) 23...Qe6 24.Rfe1 h5 25.Rad1 (25.Qg6!? Qf7 26.Qd3 Qd5+–) 25...h4+/– 26.Qe6 Re6 27.Nf5 (27.f5 Re7 28.Nh1 Rh5+/–) 27...Re4+= 28.g3 h3 29.Kf2 Rh5 30.Nh4 Kf7 31.f5 Rg5 32.Ke2 Rg8 33.Ng6 Rd8? 34.Kd3+– Rde8 35.Nf4 R4e7 36.Ne6 Rd7 37.Kc4 Rc8 38.d5 Rd6 39.e4+– Ke7 40.e5 fe5+/– 41.Re5 Kf6 42.Rde1 Bf2 43.R1e2 Bg1 44.R5e4 Rg8? 45.Nd4 Bd4 46.Kd4 Rgd8 47.Re6 Kg5 48.Rd6 Rd6 49.Re7+– c6 50.bc6 bc6+/– 51.Ke5 Rd5+= 52.Ke6 Rd2 53.Rg7 Kh6? 54.Rg4+– Rh2 55.Kf6 Kh7 56.Rh4 Kg8 57.Kg6 c5? 58.f6 Rf2+= 59.Rh3 Rf3 60.f7 Rf7 61.Rh8?? Kh8+/– 62.Kf7 Kh7 63.g4 Kh6 64.Kf6 c4 65.g5 Kh5 66.g6 c3 67.g7 c2 68.g8Q c1Q 69.Qd5 Kg4 70.Qa5 ½–½. Kuhlmann,Antonius Egidius J – Arts, 1973.

6.Bd3 Be6 7.Ne2 Nc6 A) 8.Bb5 Bd7 (8...a5 9.ba5 Bd7 10.a6 ba6 11.Bc6 Bc6=) 9.Bc6 bc6 10.0–0 0–0 11.f4 Qe7=; B) 8.0–0 0–0 9.Bb5 a5 10.Bc6 bc6 11.ba5 c5=.

6.Bd3 Be6 7.Nf3 A) 7...a5= 8.Nd4 (8.ba5 Ra5 9.Nd4 Qd7 10.Qh5 g6 11.Qh6 Bf8=; 8.0–0 ab4 9.Nd4 Qd7 10.Qc2 g6 11.cb4 Na6=) 8...Qd7 9.b5 g6 10.Qf3 c6 11.Be2 0–0=; B) 7...Nc6 B1) 8.0–0 0–0 (8...Ne5 9.Nd4 Qd7 10.Be2 0–0 11.Na3 c6=; 8...a6 9.Bc2 0–0 10.d4 Re8 11.Qd3 Ne7=; 8...a5 9.b5 Ne5 10.Nd4 Nd3 11.Ne6 Qe7=) 9.Bb5 a5 10.Bc6 bc6 11.ba5 Ra5=; B2) 8.Bb5 a5 9.ba5 Ra5 10.Nd4 Bd7 11.Bc6 bc6=.

6.f4 a5 7.b5 0–0 8.Qb3 c6 9.Nf3 Nd7 10.Nd4= Nc5 11.Qc2 Qe8 12.g3 Qe4 13.Qe4= fe4 14.bc6 bc6 15.Nc6 Nd3 16.Bd3+= ed3 17.0–0 Bh3 18.Rf2 Rfc8 19.Nd4 Rab8 20.Nf3? Rb6 21.Ne1? Rcb8–+ 0–1. nimmie – Creatchy, ChessWorld.net, 2005.

6.Bd3 c6

7.f4.

7.Qh5 g6=+

8.Qh6 Qe7!?

8.Qh6 Kf7.

8.Qh6 Bf8 9.Qh4 Nd7 10.Be2 =.

8.Qh6 Bf8 9.Qh4 Bg7 10.Ne2 Qe7 11.0–0 Nd7 =.

8.Qh6 Bf8 9.Qh4 Bg7 10.Ne2 Qe7 11.Na3 Nd7 12.f4 a5 13.Nc2 0–0 14.h3 c5 15.bc5 Nc5 16.Nc1 Nd3 17.Nd3 Qe4 18.Ke2 b6 19.Nde1 Ba6 20.Kf2 g5 21.Qg3= Rae8 22.Nd4 Kh8 23.h4 gf4 24.Qf4 Qf4 25.ef4 Re4 26.g3 Rfe8 27.Nec2 Bf8= 28.Ne3 Bc5 29.Ndf5 Bc8 30.Kf3 d4 31.cd4 Bd4 32.Nd4 Rd4 33.Rhd1 Bb7 34.Kf2 Red8 35.Ke2 Ba6 36.Ke1 Bb7 37.Nf1 Bg2 38.Nh2 Rd3 39.Rab1 R8d6 40.g4 Rh3–/+ 41.Kf2 (41.Nf1 Rh4 42.Ne3 Bf3–/+) ½–½. Diener,Rudolf – Drescher,W, corr DDR, 1989.

8.Qh6 Bf8 9.Qh4 Bg7 10.Ne2 Qe7 11.Na3 Nd7 12.f4 a5 13.Nc2 0–0 14.h3 c5 15.bc5 Nc5 16.Nc1 Nd3–/+ 17.Nd3 Qe4 18.Ke2 b6 19.Nde1 Qc4 20.Kd1 Ba6 21.Qf2 Rab8 22.a4 Rfc8 23.Nd4= Re8 24.Nef3 (24.g4 fg4 25.hg4 Rbc8=) ½–½. Rosner,Dirk – Hasler,Ulrich, corr SOK–89–35, 1989.

6.Bd3 Qe7

7.Ne2 a5 8.Qa4 Bd7 9.b5 =+.

7.Ne2 a5 8.b5 c5 9.bc6 bc6 10.Qc2 g6 11.0–0 0–0 =.

7.Ne2 g6 8.Qc2 (8.0–0 0–0= 9.Nf4 c6 10.Re1 Re8 11.Be2 a5=; 8.Nd4 0–0 (8...a5 9.b5 Nd7 10.0–0 0–0 11.Qf3 Qf7=) 9.Qf3 c6 10.b5 Qe5 11.Bc2 f4=) 8...Nd7 (8...0–0 9.0–0= a5 10.b5 Be6 11.Nd4 Re8=; 8...a5 9.b5 c5 10.c4 Be6 11.Na3 Nd7=) 9.f4 (9.0–0 a5 (9...Ne5= 10.Nd4 Nd3 11.Qd3 Bd7=) 10.b5 Nc5 11.Nd4 f4=) 9...c5 (9...a5 10.ba5 (10.b5= Nc5 11.0–0 Nd3=) 10...Nc5 11.0–0 Ra5=) 10.bc5 Nc5 11.c4 (11.0–0 0–0=) 11...Nd3 (11...Be6 12.cd5 Bd5 13.Bb5 Kd8 14.Rg1+=) 12.Qd3= dc4 13.Qc4 Qe4 (13...Be6 14.Qb5 Kf7 15.Nbc3=) 14.Qd4 Qd4 (14...Qg2 15.Rg1 Qc6 16.Qf6=) 15.Nd4 a6 16.Nc3 (16.a4 Kf7=) 16...b5 17.Kf2 Bb7 18.Rab1 (18.Rac1 Kf7+=) 18...Kd7 19.a4 (19.h3 Rac8+=) 19...b4 20.a5 Be4 (20...Bc6 21.Nc6 Kc6 22.Ne2+=) 21.Na4 Bb1 22.Nb6 Ke7 (22...Ke8 23.Rb1 Rb8 24.Nc6+=) 23.Nc6 Ke6 24.Rb1 Rae8 (24...Rab8 25.d4=) 25.Nb4 Bb4 26.Rb4 g5 (26...h6 27.d4 Kd6 28.Nc4 Kc6 29.Nb6=) 27.Na4 Rb8 28.Nc5 Kd6 29.Na6 Rb4 30.Nb4 Rb8 31.Nc2 (31.Nd3!?+=) 31...Rb2–/+ 32.Nd4 Rd2 (32...Rd2 33.Kf3 gf4 34.Kf4 Rg2 35.Nf5 Ke6 36.Nd4 Kd5–+) 0–1. Mes,AR – Van Gerwen,Geert, corr NED–ch H, 1991.

7.Qf3 Nc6 8.Qd5= Ne5 9.Be2 c6 10.Qb3 Be6=+ 11.Qc2 a5 12.b5 Bd5 13.Nf3 Nf3 14.gf3 0–0 15.Qf5+= g6 16.Qh3 Rfe8 17.Rg1 Rad8 18.Qh4 Qe5 19.f4 Qf5 20.c4 Qc2?? 21.cd5 Qb2 22.Bh5?? Re7?? 23.Bg6+= Qc1 24.Ke2 Qg1 25.Bf5 cd5 26.Qf6+/– Qg7 27.Be6 Kh8 28.Qg7 Kg7 29.f5 d4 30.d3 Bh2= 31.Nd2 Rc7 32.Rh1 Bd6 33.Ne4 Rc2 34.Kf3 Be7?? 35.Rg1?? Kh6+/– 36.Bb3 Rcc8+– 37.ed4?? Rd4 38.Rh1 Kg7 39.f6! Bf6 40.Rg1 Kh8 41.Nf6 Rd3 42.Ke4 Rd2 43.f4 a4 44.Bd5 Rb2 45.a3 Rb5 46.Nd7 h5 47.Nf6 Rf8 48.Rg6 h4 49.Ke5 Rf6? 50.Rf6+– Kg7 51.Rf7 Kh6 52.Rb7 Ra5 53.Rb1 Rc5 54.Rb6 Kg7 55.f5 Rc8 56.f6 Kg6 57.f7 Kg7 58.Rb4 (58...h3 59.Rg4 Kh6 60.Rg8+–) 1–0. Boehnke,Hartmut – Rennert,Ralf, DESC, 2001.

7.Qf3 Qe6 8.Bb5 Bd7 9.Be2 =+.

7.Ne2 c6

8.Qc2 g6 9.h4 h5 10.0–0 0–0= 11.f4 a5 12.b5 Be6 =.

8.Qc2 g6 9.h4 h5 10.a4 Nd7 (10...a5 11.b5= 0–0 12.c4 Be6=) 11.f4 (11.a5 Ne5 12.f4 Nd3=) 11...a5 12.b5 Nc5 13.c4 (13.0–0 Nd3 14.Qd3 Qe4+=) 13...Nd3 (13...Be6 14.bc6 Nd3 15.Qd3 dc4 16.Qc2–/+) 14.Qd3+= dc4 15.Qc4 Be6 16.Qc2 0–0 (16...cb5 17.ab5 0–0 18.0–0=) 17.bc6 bc6 (17...Rac8 18.Nbc3 Rc6 19.Nd4+=) 18.Nbc3 (18.Qc6 Rfc8 19.Qf3 Rab8+=) 18...Rab8 (18...Bc5 19.0–0+=) 19.Nd4 Bc4 (19...Rb6 20.0–0=) 20.Nc6+= Qb7 21.Nb8 (better is 21.Ne4!? Qc6 22.Nd6 Qd6 23.Qc4 Kg7 24.Qc3+=) 21...Qg2+= 22.0–0–0 Ba3 23.Kb1 Rb8 24.Nb5 Qd5 25.Ka1 Bb3 (25...Bb5 26.Rb1 Bb4 27.ab5 Qb5 28.Rhg1=) 26.Qc7+= Rb7 (better is 26...Rb5 27.ab5 Qb5=) 27.Qc8+/– Kh7 28.Rb1 (28.Na3 Bd1 29.Rd1–/+) 28...Bb2? (better is 28...Bb4!?+=) 29.Rb2+– Qh1 30.Rb1 Qd5 31.Rb3! Qb3 32.Qb7 Kh6 33.Qd7 Qa4 34.Kb2 Qb4 35.Kc2 Qa4 36.Kc3 Qb4 37.Kd3 g5 38.hg5 fg5 39.Qc6 Kg7 40.fg5 h4 41.Qh6 Kg8 42.Qg6 Kh8 43.Nd6 (43.Nd6 Qa3 44.Ke2 Qd6 45.Qd6 Kg7 46.Qf6 Kg8 47.g6 h3 48.Qf7 Kh8 49.Qf8#) 1–0. Schiffler,L – Schmidt,Andreas (2015), Leipzig, 1950.

8.Qc2 g6 9.h4 h5 10.b5 c5 (10...Nd7 11.bc6 bc6 12.0–0 (12.c4 dc4 13.Bc4 Qe4 14.Bd3 Qg2 15.Rg1+=) 12...Ne5 13.Nd4 Nd3 14.Qd3 a5 15.c4+=; 10...a6 11.bc6 Nc6 12.Qb3 b5 13.a4 b4 14.0–0 Be6 15.Nf4+=; 10...Bd7 11.bc6 Nc6 12.Qb3 (12.0–0 Ne5 13.Nf4 g5 14.hg5 fg5 15.Nd5+=) 12...Be6 13.Nd4 Nd4 14.cd4 0–0 15.Nc3=; 10...0–0 11.g4 hg4 12.h5 Qh7 13.a3 c5 14.c4 Be5 15.Nbc3+=) 11.c4 (11.Qa4 Nd7 (11...c4 12.Bc2 Nd7 13.d4 cd3 14.Bd3 Nc5 15.Qd1+=) 12.Qd1 0–0 13.0–0 Re8 14.Nf4 Bf4 15.ef4+=) 11...Be6 12.f4 (12.cd5 Bd5 13.0–0 Nd7= 14.Na3 Nb6 15.Rfe1=) 12...Nd7 (12...d4 13.0–0 0–0 14.Rf3 Re8 15.Na3+=) 13.a4 (13.0–0 Nb6 14.cd5 Nd5 (14...Bd5= 15.Nec3=) 15.Bc4+=) 13...Qf7 (13...dc4 14.Bc4 Bc4 15.Qc4+=) 14.Na3= Nb6 (14...Rd8 15.cd5 Bd5 16.Bc4=) 15.Rc1 0–0 16.a5 Nc8 (16...dc4 17.Nc4 Nc4 18.Bc4=) 17.cd5 Bd5 18.Bc4 Ne7 19.Qb3 b6 (19...Rad8 20.Nc3 Bc4 21.Qc4=) 20.Nc3 Bc4 21.Nc4 Bc7 22.a6 (22.0–0 Rad8+=) 22...Rad8= 23.Ke2 (23.Ne2 Rfe8=) 23...Rd7 (23...Qe6 24.Kf2=) 24.Rcd1 (24.Rhe1 Rfd8 25.Kf1 Nc8=) 24...Rfd8 25.d3 Kg7 26.Rd2 (26.Rhe1 Nd5=) 26...Ng8 (26...Qe6!? 27.g3 Nd5 28.Nd5 Qd5+=) 27.Rhd1= Nh6 28.g3 Ng4 29.d4 cd4+= 30.Rd4 Rd4 31.Rd4 Rd4 32.ed4 Qe6 33.Kd3 Qe1–+ 34.Ne2 Nf2 35.Ke3 Ne4 36.Kd3? Ng3 37.Qc2 Qf1?? 38.Ne3+= Qe2 39.Qe2 Kf7?? 40.Qa2+– (40.Qa2 Kf8 41.Qe6+–) 1–0. Bivens,William H – Fawbush,George, corr USA, 1988.

Play 1.b4 at Chessworld.net!

The home of Email Chess on the web!

Chessworld.net on behalf of Marek have set up a continuous stream of 1.b4 tournaments.

These tournaments should always be available to join. As soon as four players are paired, another one will automatically be set up.

    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)

Click on the logo below, visit Chessworld.net, register and play 1.b4 against the whole world!

The home of Email Chess on the web!

The home of Email Chess on the web!