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1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Bf5

(...)

5.a3 Be7 (--> 1.b4 e5 2.Bb2 Nf6 3.a3 d6 4.e3 Be7 5.c4 Bf5).

5.Qb3 Be6 6.Nf3 a6 7.d4= ed4 8.Bd4 d5 9.a4 Qe7 10.Bc5 Qd8 11.Bf8 Rf8 12.Be2 h6 13.0–0+= g5 14.Rd1+/– c6 15.Nc3 Ke7 16.cd5+– Bd5 17.Nd5 cd5 18.Qc3 Nc6 19.Ne5 Qd6 20.Nc6 bc6 21.Rac1 Rfc8 22.Qc5 Qc5+= 23.Rc5 Ne4 24.Rc2 Kd6 25.f3+= Nf6 26.e4 Ke5 27.ed5+= Nd5 28.Rc5 Kf6 29.b5 ab5 30.ab5= Nf4 31.Kf1 cb5 32.Rc8 Rc8 33.Bb5 Rc2 34.g3 Ne6 ½–½. Geyer,U – Kaufmann,R, Mainz, 1989.

5.b5 c6 6.a4 Be7=+ 7.Be2 0–0 8.d3 a6 9.Nf3 Nbd7 10.0–0 Qc7 11.Nc3= d5 12.cd5 cd5 13.d4 e4=+ 14.Nd2 Rfc8 15.Qb3 Be6 16.Rfc1 Qb6 17.a5+= Qd8 18.b6 Qf8 19.Na2 Bd6= 20.Ba3?? Qe7 21.Bd6+= Qd6 22.Rc3 h6 23.Rac1+/– Rc3 24.Rc3 Ne8 25.Qb4+/– Qf8 26.Nb3 Rb8 27.Qf8 Kf8 28.Nb4 Ke7 29.f4 Kd6 30.g4 f6 31.f5+– Bf7 32.Kf2 Ke7 33.h3 Kd6 34.Kg3 Bg8 35.Kf2 Bf7 36.Rc1 Ke7 37.Rc2 Kd8 38.Ba6! ba6 39.Nc6 Kc8 40.Nb8 Kb8 41.Nc5 Nc5 42.dc5 Kc8 43.Ke2 Kd7 44.c6 Kc8 45.Kd2 Kb8?? 46.c7 Nc7 47.bc7 Kc8 48.Rc5 Bg8 49.Kc3 Bf7 50.Kd4 Bg8 51.Rc6 Bf7 52.Kc5 Bg8 53.Kb6 d4 54.Rd6 (54.Rd6 de3 55.Rd8#) 1–0. Bartsch,Rainer (1705) – Inderwisch,Joerg, Steinfurt Bezirksliga, 2003.

5.b5 Be7 6.d4 e4 7.Ne2 =.

5.Nc3 d5 6.b5 d4=+ 7.Nce2 de3 8.de3 Bb4 9.Bc3 Bc3 10.Nc3= 0–0 11.Nf3 Nbd7 12.Be2 a6 13.a4 Re8 14.0–0 Nc5 15.Ra2 Nfe4 16.Ne4 Ne4 17.Qa1 Qf6 18.Rd1 Qe6 19.Rd5 f6 20.Nh4 c6 21.Rd1 Rad8 22.Rd8 Rd8 23.f3 Nc5 24.e4 Bg6 25.Ng6 hg6 26.Qb1 Qd6 27.Qb2 Nd3 28.Qc3?? Qc5 (28...Qc5 29.Qd4 Qd4 30.Kh1 Nf2 31.Kg1 Nh3 32.Kf1 Qg1#) 0–1. Mroz,Antoni – Zelazkowski,R, VIII ch Bielsko, 1993.

5.Nc3 Nbd7 6.Be2 g6 7.Nf3= Bg7 8.0–0 0–0 9.d4 ed4 10.Nd4+= Be6 11.Ne6 fe6 12.Bf3 Rb8 13.Ne2+= e5 14.Ng3 Qe7 15.Ne4 Ne4 16.Be4 Nf6 17.Bc2 Kh8 18.Qe2 Rf7 19.Rad1 Nd7 20.Bb3+= Rff8 21.Rd2 Rbd8 22.Rfd1 b6 23.Ba3 Nf6 24.Bc2 Rfe8 25.Ba4 Rf8 26.Bc2 Rfe8 27.Ba4 Rf8 28.Bc6 Nd7 29.Bd7 Rd7+= 30.c5 Rf6 31.c6 Rd8 32.b5 Rdf8 33.Qc4 Qf7 34.Qf7 R6f7 35.Bb2 Rf5 36.Rc1 Bh6 37.h3 Kg8 38.Rc4 Ra8 39.Ra4 a5 40.ba6 Ra7 41.Rd5 Rf8 42.Rd3 Rfa8 43.Rda3 Kf7 44.Rh4 Kg7 45.Rha4 g5 46.Kf1 Kf7 47.e4 Ke6 48.Ke2 Rg8 49.f3 Bf8 50.Rd3 Be7+= 51.Kd2 (51.Bc1 Rga8 52.Be3 Ra6 53.Ra6 Ra6=) ½–½. Bischof,R – Stojicevic,Alexander, GER–chT U13 Germany, 1993.

5.Nc3 e4 6.d3= a6 7.de4+/– Ne4 8.Ne4?? Be4= 9.Nf3 Nc6 10.a3 d5 11.Bd3 Be7 12.cd5 Qd5= 13.Be2 Qd1 14.Rd1+= 0–0 15.0–0 Rad8 16.Nd4 Bf6 17.f3 Bc2 18.Nc2 Rd1 19.Rd1+= Bb2 20.Rd7 Rc8 21.Kf2 Ne5 22.Rd5+= b5 23.a4 c6= 24.Rd6 ba4 25.f4 Ng6= 26.Ba6 Rc7 27.Rd8 Nf8+= 28.Ra8 Rd7 29.Ke2 a3 30.Bd3 g6 31.Na3 Ba3 32.Ra3 Ne6 33.Be4 Rc7 34.Rc3 Rb7 35.Rc4 Nd8 36.Kd3 Kf8 37.g4 Ke7 38.h4 Rb5 39.Kc3 Kd7 40.f5 Kc7 41.Rc5 Kd6 42.Rb5 cb5 43.Kd4 f6 44.fg6 hg6 45.Bg6 Ne6 46.Kd3 Ke7 47.Bf5 Ng7 48.Kd4 Kd6 49.h5 Nf5 50.gf5 Ke7 51.Kc5 (51.Kc5 Kf8 52.Kd6+–) 1–0. Kukel,Imre (2010) – Huluk,P, SVK–chT3B, 2000.

5.Nc3 Qe7 6.Nf3 b6 7.d3 c5 8.b5 a6 9.Nd2 Qd7 10.Na4 Qc7 11.Qf3+– ab5 12.Qa8 ba4 13.Qa4 Nc6 14.Be2 Be7 15.0–0 0–0 16.Nb1 Bd7 17.Nc3 Nd4 18.Qd1 Nc6 19.Rb1 Ra8 20.Qb3 Nb4 21.a3 Na6 22.Na4 Ba4 23.Qa4 Ra7 24.Qb3 Nd7 25.f4 Bf6 26.Bg4 Nab8 27.fe5 de5 28.Qc2 Nf8 29.Qd2 Nc6 30.Bf3 Ne6 31.Bc6 Qc6 32.Qe2 Qc7 33.Qg4 Qd8 34.Qf5 Qb8 35.Rf3 Rd7 36.Rh3 h6 37.Qg4 Rd3+/– 38.Rh6 Kf8?? 39.Rh8+– (39…Ke7 40.Rb8 Re3 41.Rb7 Kd6 42.Rd1 Kc6 43.Rf7 Re1 44.Re1 Nc7 45.Qd7 Kb7 46.Qc7 Ka6 47.Qa7#) 1–0. Popkirova,Kalina – Hyttrek,Jennifer, JBL NW, 1995.

5.Nc3 g6 6.Nf3= Bg7 7.d4 e4 8.Nd2 0–0 9.Be2+= h5 10.h3 h4 11.g3 hg3 12.fg3+= d5 13.cd5 Nd5 14.Nd5+= Qd5 15.Qb3 ½–½. Dzieniszewski,Andrzej – Babrikowski, Potsdam, 1985.

5.d3 c6 6.Be2 Be7 7.Nf3 0–0 8.0–0 h6 9.Nbd2 Re8 10.e4 Bg6 11.Qb3 Nbd7 12.Nh4 Bh7 13.g3 a5 14.a3 Nf8 15.Ng2 Ne6 16.f4 Qb6 17.Kh1 a4 18.Qd1 Nd4 19.fe5 de5 20.c5 Qd8 21.Bd4 ed4 22.Nf3 Nd7 23.Qd2 Bf6 24.Rac1 g5 25.Rc4 Nf8 26.Qb2 Be4 27.de4 d3 28.e5 de2 29.Re1 Qd5 30.Qe2 Bg7 31.Ne3+= Qe6 32.Ng4 Rad8 33.Qc2 Qd5 34.Qe4 Qe4 35.Rce4= Rd3 36.Kg2 Ne6 37.Nf6 Bf6–/+ 38.ef6 Ra3 39.R4e3?? Nf4!–+ 40.Kf2 Nh3 41.Kg2 Ree3 42.Re3 Re3 43.Nd4 g4 44.Nf5 Re2 (44...Re2 45.Kf1 Rb2 46.b5 a3 47.Nd4 a2 48.Nb3 Rb3 49.Ke2 a1Q 50.bc6 Qa2 51.Ke1 Rb1#) 0–1. Reimer,Karl – Schneider,Johannes, Eisenberg RLP–ch MTB, 1998.

5.d4 Nc6 6.d5 Ne7 7.Nf3 a5 8.a3 ab4 9.ab4 c5 10.bc5 Ra1 11.Ba1 Bb1 12.Qb1 Qa5 13.Nd2 Ne4 14.Qb5 Qb5 15.cb5 Nd2 16.Kd2+/– Nd5 17.c6 bc6 18.bc6 Kd8 19.Bb5 Kc7 20.Rc1 Be7+= 21.Bc3 Ra8 22.e4 Bg5–/+ (22...Bg5 23.Kd3 Bc1 24.ed5 f5–/+) 0–1. phildo – cirovicz, net–chess.com, 2003.

5.Be2 Be7 6.Nf3 h6 7.0–0= c6 8.d4 e4 9.Nfd2 0–0 10.a4 Nbd7 11.Nc3 d5 12.c5 g5 13.h3 Kg7 14.Re1 Rh8 15.f3 Qc7 16.fe4+/– Ne4 17.Nde4 de4 18.d5 Bf6 19.Rf1 Bg6 20.Bg4 Ne5 21.Rf6! Kf6 22.d6 Qd8 23.Nd5!! cd5 24.Be5 Ke5 25.Qd4# 1–0. Piron – Rooijakkers, BEL–NLD, 1993.

5.Nf3 a5 6.d4 Nbd7 7.b5= Be7 8.Be2 0–0 9.de5 de5 10.Ne5 Bb1 11.Nd7+/– Bb4 12.Kf1 Nd7 13.Rb1 Qe7 14.a3 Bc5 15.Qd5 Nf6 16.Qb7?? Rad8?? 17.Rd1 Rd1+= 18.Bd1 Rd8 19.Bf3 Ba3 20.Bd4 Bb4 21.Qa7 Ne4 22.Ke2 Nc3 23.Kf1 a4 24.b6+– cb6 25.Qe7 Be7 26.Bc3 Rd3 27.Bd4 Rd2 28.Bb6?? Rb2+= 29.Ba5?? a3 30.g3 Rb1 31.Ke2 Rh1 32.Bh1 Bf6 33.c5 a2 34.c6 a1Q 35.c7 Qa2 36.Kd3 Qb3 37.Kd2 Qb2 38.Kd1 Qb3 39.Kd2 Qb2 40.Kd1 Qb3 41.Kd2= Qb2 (better is 41...Qc4–+) ½–½. marekt – GMBG, GameColony.com, 2002.

5.Nf3 d5 6.c5 (6.Ne5!? Nbd7 7.Nd7 Bd7 8.Qf3+/–) 6...e4= 7.Nd4 Bg6 8.Be2 b6 (8...a5 9.a3=) 9.0–0 (9.Qa4!? Nfd7 10.cb6 cb6 11.Nc3+/–) 9...bc5= 10.bc5 Bc5 11.Qa4 Nfd7 12.Bb5 (better is 12.Nc3!?=) 12...0–0–/+ 13.Nc6 Nc6 14.Bc6 Rb8 15.Bd7 (15.Bg7!? Rb4 16.Qa5 Kg7 17.Bd7+=) 15...Rb2–/+ 16.Qc6 (16.Nc3 Qg5 17.Qa5 Bd6–+) 16...Rb6 (better is 16...Bd6!?–+) 17.Qc5–/+ Qd7 18.Nc3 d4 (18...Rd8!?–/+) 19.ed4+= Rc6 (better is 19...Rd8!?+=) 20.Qa7+= Bh5 (20...Rd6!? 21.d5 f5+=) 21.Ne4+/– Rg6 22.Ng3 Rg5 23.Rac1 Qd4?? (better is 23...Rc8+–) 24.Qd4 1–0. Fournier,Frederic (1930) – maksim77, Active (5/0), 2005.

5.Nf3 Bg4 6.Be2 Be7 7.d3 0–0 8.Nbd2 Nc6 9.a3 a5 10.b5 Na7 11.0–0 b6 12.a4 c6 13.h3 Bh5 14.e4 cb5 15.cb5 d5 (better is 15...Rc8!?+=) 16.Ne5+/– de4? (better is 16...Be2 17.Qe2 Bb4+/–) 17.Bh5+– Qd5 (17...Nh5 18.Qh5 f6+–) 18.de4 Qc5 (18...Qe6 19.Bg4 Ng4 20.Qg4 (worse is 20.hg4 Rad8+–) 20...Qg4 21.hg4+–) 19.Rc1 Qb4 20.Nd3 (better is 20.Bc3 Qd6 21.Bf7 Rf7 22.Nf7 Kf7+–) 20...Qd6 21.Be2 Qc7 (21...Qd7+–) 22.Rc7 Rac8 23.Rc8 (better is 23.Re7 Ra8+–) 23...Rc8 24.e5 Nd5 25.Nf3 Nb4 26.Nb4 Bb4 27.Qb3 (better is 27.Qd7 Bc5+–) 27...Rf8 28.Rc1 Nc8 29.Ba3 Ba3 30.Qa3 Re8 31.Bd3 (31.Qd3 Rf8 32.Qd7 Nd6 33.ed6 g6 34.Rc8 Rc8 35.Qc8 Kg7 36.d7 f6 37.d8Q g5 38.Qg8 Kh6 39.Qcf8 Kh5 40.Qgf7) 31...h6 32.Bf5 Ne7 33.Qd6 Nf5+– 34.Qd7 Re6 35.Rc8 Kh7 36.Rc7 Re7 37.Qe7 Ne7+– 38.Re7 (38.Re7 Kg8 39.Ra7+–) 1–0. Fournier,Frederic – esbirro, Partie evaluee, 1m + 2s, 2009.

5.Nc3 a6

6.Nf3 Nc6 7.a3 g6 8.Be2 Bg7 9.0–0 Ne4 10.Ne4 Be4 11.d3 Bf3 12.Bf3 (worse is 12.gf3 0–0+=) 12...Rb8 13.Qa4 Qd7 14.Qb3 0–0 15.a4 White intends b5 15...Ne7 16.b5 ab5 17.ab5 c6 18.Ra7 d5 19.Ba3 Ra8 20.bc6 Nc6 21.Ra8 (21.Bf8?! Ra7 22.Bc5 Ra5+/–) 21...Ra8 22.Bd5 Bf8 23.Bb2 Rd8 24.Ra1 Nb4 25.Ra5 Qc7 26.Rb5 b6? (better is 26...Nd5 27.cd5 Rd7+/–) 27.Rb4+– Bb4 28.Qb4 Kg7 29.g3 f6 30.d4 White plans c5 30...ed4 31.Bd4 (31.ed4?! b5+–) 31...Qd6 32.Qb6 Qb6 33.Bb6 Rb8 34.c5 Kf8 35.c6 (better is 35.Kg2+–) 35...Rb6+/– 36.c7?? (better is 36.Kg2 Ke7 37.g4+/–) 36...Rb1+= 37.Kg2 Rc1 38.h4 Rc7 39.Bf3 Ke7 40.Bd5 ½–½. combijack (1770) – luker67 (1710), gameknot.com, 2010.

6.Nf3 Be7 7.d4 Nbd7 8.Be2 0–0 9.Nh4 ed4 10.Nf5 dc3 11.Bc3 Ne5 12.Qd4 Qd7 13.g4 Rfe8 14.Ng7 Kg7 15.g5 Nfg4?? (better is 15...Kh8+=) 16.Bg4+– Qc6 17.Rg1 Qb6 (17...Kf8 18.f4 Bg5 19.fg5 (19.fe5?! Re5 20.Bd2 Rae8+–) 19...Qc4 20.Kd2+–) 18.Qb6 cb6 19.f4 Bd8 (19...Kf8 20.fe5 Bg5 21.Ke2 (worse is 21.ed6 Be3 22.Rg2 Bc5 23.Kd2 Bd6+–) 21...de5 22.Bf3+–) 20.fe5 de5 21.Bf3 Re7 22.0–0–0 Rb8 23.Rd5 Kf8 (23...Bc7 24.Be4+–) 24.Re5 Rc7 (24...Rc8 25.Bd5+–) 25.Bd5 Rd7 (25...b5 26.Rf5 Rbc8 27.Rgf1+–) 26.Rf1 Rc8 27.Be6 (27.Be6 Rcc7 28.Ref5+–) 1–0. Jaramillo,Carlos Orlando (1930) – Trujillo,Luis Angel (1680), Ibague COL, Men Ch, 2013.

5.Nc3 Nc6

6.a3 a6 7.Nf3 e4 (7...Be7 8.d4=) 8.Qc2+= ef3? (better is 8...Be7!?+=) 9.Qf5+/– fg2 10.Bg2 Ne7 11.Qc2 c6 12.h4 Ng6 13.h5 Ne5 14.Ne4 Be7 15.Ng3 0–0 (15...Qc7!?+–) 16.f4 Neg4 17.Nf5 Re8?? (better is 17...g6 18.Bh3 gf5 19.Qf5 h6+–) 18.Bf3 g6 (18...Nh6 19.Nh6 gh6 20.Rg1 Kf8 21.d3+–) 19.hg6 fg6 20.Bg4 Ng4 21.Nh6 (21.Ne7?! Qe7 22.Qc3 Ne5+–) 21...Nh6 22.Rh6 Bh4 (22...Rf8 23.Rg6 Kf7 24.Rg7 Ke8 25.Qh7+–) 23.Ke2 Bf6 (23...Qe7 24.Rh1 Qe4 25.Qe4 Re4 26.R1h4 Re7 27.Rg6 hg6 28.Rh8 Kf7 29.Ra8 Re4+–) 24.Rg6! hg6 25.Qg6 Kf8 26.Qh6 (26.Qf6?! Qf6 27.Bf6 b5+=) 26...Kf7 (26...Ke7 27.Qh7 Kf8 28.Rg1 Re3 29.de3 Bg5 30.fg5 b5 31.Rf1 Qf6 32.Rf6 Ke8 33.Rf7 bc4 34.Qg8) 27.Qh7 Kf8 28.Rg1 Re3 29.de3 Bg5 30.Rg5 Qg5 31.fg5 (31.fg5 Ra7 32.g6 b5 33.Qa7 Ke8 34.Bf6 bc4 35.Qf7) 1–0. gioco1b4 – Bewitchess, ChessWorld.net server game, 2012.

6.a3 Be7 7.Nf3 0–0 8.d4 e4 9.Nd2 Re8 10.Be2 Bf8 11.h3 Qd7? (11...Bg6 12.d5 Ne5 13.0–0+=) 12.0–0 (12.g4 Bg6 13.g5 Be7+–) 12...Ne7? (12...Qe7 13.d5 Ne5 14.g4+=) 13.f3?? (better is 13.g4+–) 13...ef3+= 14.Nf3 Ng6 15.Qd2 (15.g4 Re3 16.gf5 Qf5 17.Qd2 Qh3 18.Bd1=) 15...Qe7= 16.Kf2 c6 17.Rae1 d5 18.c5 Rad8 19.Bd3 Ne4 20.Be4 de4 21.Nh2 Qg5 22.g4 Be6 23.Kg2 Ne5! 24.Ne4? Bd5–+ 25.Rf4 Nc4 26.Qc1 Re4 27.Kg3 Nb2 28.Qb2 Be7 29.Nf3 Qh6 30.Qg2 Rf4 (30...Rf4 31.ef4 Bh4 32.Nh4 Bg2–+) 0–1. Rush,Bradley – Salazar_Moran,Alejandro, OP–2011–0–01547, 2011.

5.d3 d5

6.c5 Nbd7 7.Nc3 a5=+ 8.a3 Be7 9.Nf3 0–0 10.Qb3 ab4 11.ab4 Ra1 12.Ba1 c6 13.Be2 b6 14.d4 bc5 15.bc5 Qc7 16.0–0 e4 17.Nd2 Rb8 18.Qa4 Nf8 19.Rb1 Rb1 20.Ncb1 h5 21.Bc3 Ng4 22.g3 h4 23.Qa5 Qd7 24.Nf1 Ne6 25.f4 ef3–/+ 26.Bf3 Ng5 27.Nbd2 Bd3 28.Qa1 Nf3–+ 29.Nf3 Qf5 30.N1d2 Be2 31.Qa7 Bf3 32.Qe7 Be2 (32...Be2 33.Qd8 Kh7 34.Qh4 Kg6 35.Qg4 Bg4–+) 0–1. Van Rooijen,Peter – Wolczek,Stanislaus, corr ICCF EM/C/A054, 1998.

6.cd5 Bb4 7.Nc3 Nd5–+ 8.Qb3 Nc6 9.e4 Nc3 10.Bc3 Be6 11.Qb2 Bc3 12.Qc3 Qd4 13.Qc1. Schaar,Joerg (1940) – DA (1880), RSX16D – Goldener Oktober–1, 2007.

5.d3 Be7

6.Be2 0–0 7.Nf3 Nbd7 8.Nc3 c6 9.a3 d5 10.cd5 cd5 11.0–0 Rc8 12.Rc1 a6 13.Qb3 Be6 14.Qd1 Nb6 (14...a5 15.b5=) 15.Re1 (better is 15.Ne5!? Bd6 16.f4+/–) 15...Bd6= 16.h3 e4 17.de4 Ne4 (17...de4 18.Ng5 Bf5 19.Qd4=) 18.Ne4 de4 (18...Rc1 19.Qc1 de4 20.Nd4=) 19.Nd4 (19.Qd4!? Qf6 20.Nd2+/–) 19...Bd5 20.Nf5 Bb8? (20...Rc1 21.Qc1 (worse is 21.Bc1 Be5+=) 21...f6 22.Bd4+/– (22.Nd6?! Qd6 23.Qc5 Rd8+=)) 21.Ng7 (21.Bg7!? Rc1 22.Qc1 Re8+–) 21...Qg5 (better is 21...Qd6 22.g3 Rc1 23.Qc1 Rc8+/–) 22.Bf1?? (better is 22.Qd4!? f6 23.Rc8 Rc8 24.Nh5+–) 22...f6?? (better is 22...Rc1 23.Qc1 f6–+) 23.Nh5 Be6 24.Ng3?? Bg3 25.fg3 Qg3 26.Kh1 Nc4 The isolani on e3 becomes a target 27.Bd4 Ne5 28.Be5 fe5 29.Rc8 Rc8 30.Qd6 Kf7 31.Rd1 Bh3?? 32.gh3+– Qf3 33.Bg2 Qf5 34.Qd7 Qd7 35.Rd7 Ke6 36.Rb7 Rc1 37.Kh2 Rc3 38.Rh7 Re3 39.Rh6 Kf5 40.Ra6 1–0. Fournier,Frederic – teukrion, Active, 2008.

6.e4 Be6 7.Nf3 0–0 8.Nc3 Bg4 9.Be2 h6 10.h3 Bh5 11.0–0 Nbd7 12.d4 Nb6 13.a4 Bf3= 14.Bf3 Nc4=+ 15.Qe2 Nb2–/+ 16.Qb2 ed4 17.Ne2 d3 18.Nf4 d2 19.Qd2=+ Nd7 20.Rfe1 Bg5 21.e5 Ne5–+ 22.Qe3 Re8 23.Qd4?? Nf3 24.gf3 Re1 25.Re1 Qd7 26.Nh5 f6 27.f4 Bh4 28.Qd5 Kh7 29.f5 c6 30.Qe6 Qe6–/+ 31.fe6 Re8 32.Kg2 Kg6 33.Nf4 Kf5 34.Kf3 Bf2! 35.Re2 Bb6 36.e7 d5 37.Nh5?? Kg6 38.Nf4 Kf7 0–1. gtate (1920) – wmalone (2000), net–chess.com, 2004.

6.Nf3 0–0 7.a3 Nbd7 8.Be2 c6 9.e4 Be6 10.0–0 h6 11.Qc2 Nh7 12.d4 Bg4 13.h3 Bf3+= 14.Bf3 Ng5 15.Be2 ed4 16.Bd4 Bf6 17.Bf6 Nf6 18.Nd2 Re8 19.Bd3 Ne6 20.Nf3 Nf4 21.Rfe1 Nd7 22.Bf1 Qf6 23.Re3?? Qa1–+ 0–1. Satka,Martin – Ollek,Karl Heinz (1690), Brandenburg Seniors op, 2003.

5.d4 Nbd7

6.d5 g5 7.Ne2 Bg7 8.Ng3 Bg6 9.Be2 h5 10.h4 g4 11.f3 Qe7 12.e4 Bh6 13.Nc3 a6 14.Qa4 0–0 15.Bc1 Bf4= 16.Bf4 ef4=+ 17.Nf1 Ne5 18.Nd2 g3=+ 19.Qc2 Bh7 20.Nb3= b6 21.a4 Rfb8 22.b5 a5 23.Kd2 Nfd7 24.Nd4 Qf6 25.Rad1 Re8 26.Kc1 Nc5 27.Kb2 Re7 28.Nb3? Ned7?? 29.Ka3 Nb3=+ 30.Kb3 Nc5 31.Ka3 Rae8 32.Bd3 Qg7 33.Rde1 Qd4 34.Rd1 Nd3 35.Qd3=+ Qc5 36.Kb2 Qf2 (36...f5 37.Rde1=+ (37.ef5?? Re3–+)) ½–½. Suess,Stefan – Gottsmann,H, Odenwald, 1984.

6.Nf3 d5 7.de5= Bb4 8.Bc3 Bc3 9.Nc3 Ne4 10.Ne4 de4 11.Nd2? Ne5–/+ 12.Qc2 Nd3 13.Bd3 ed3 14.Qc3 0–0–/+ 15.0–0 Qe7 16.Kh1 Rad8 17.Rab1 c5 18.Rg1 Rd6 19.a4 b6 20.a5 f6 21.ab6–/+ ab6 22.Rge1 Bc8 23.e4 Qe5 (23...Qe5 24.Qb3 Qf4–/+) 0–1. Tain,Julio Antonio – Maurer, corr ICCF, 1981.

6.Nf3 e4 7.Nfd2 c6 8.b5 cb5 9.cb5 d5 10.f3 Bb4 11.a3 Ba5 12.Be2 0–0 13.0–0 Rc8 14.fe4 Be4 15.Ne4 Ne4 16.Bf3 Ndf6–/+ 17.a4 Bc7 18.Qe1 Qd6 19.g3 h6?? 20.Ba3+/– Qd7 21.Bf8 Kf8 22.Be4 Ne4 23.Ra2 Re8 24.Rc2 Re6 25.Qb4+– Bd6 26.Qb3 g5? 27.Qd5 b6 28.Rc7! Qc7 29.Qe6 Kg8 30.Qe8 Kg7 31.Qe4 f6 32.Qf3 Qc2 33.Qf6 Kh7 34.Qf7 Kh8 35.Qe8 Kg7 36.Rf7 Kg6 37.Rf8 Kg7 38.Qf7# 1–0. Bonetti,Shane – simonmansell, ICC, 2002.

5.d4 Be7

6.Qb3 0–0 7.de5= de5 8.Be5 Nc6 9.Bc3 Qd7 10.b5 Nd8 11.Nd2 Ne4 12.Ne4+/– Be4 13.Ne2 Ne6 14.Rd1 Qc8 15.Qb2 c6 16.Ng3 Bg6 17.Be2 cb5 18.cb5 f6 19.0–0 Qc7 20.Rc1 Qb6 21.a4 1–0. einaar (2515) – vainessa (1630), net–chess.com, 2008.

6.Qb3 ed4 7.ed4 0–0 8.d5 =+.

6.Bd3 Bd3=+ 7.Qd3 e4 8.Qc2 Nbd7 9.Ne2 c6 10.Nd2 d5 11.c5 0–0 12.0–0 Rc8 13.a4 b6 14.Nb3 Nb8 15.Nc3 h6 16.b5 bc5 17.Nc5 cb5 18.ab5 Nbd7 19.N3a4 Nc5 20.dc5+= Nd7 21.Qc3 Bf6= 22.Qb4 Bb2 23.Qb2 Nc5=+ 24.Nc5 Rc5 25.Rfd1 Qb6 26.Qe5 Qb5 27.Rab1 Qc6–+ 0–1. gtate (1910) – wmalone (2045), net–chess.com, 2004.

6.de5 de5 7.Qd8 Kd8 =.

5.Nf3 a6

6.a3 Nbd7 7.d3 Be7 8.Be2 0–0 9.Nbd2 Bg6 10.0–0 c6 11.Nh4 Re8 12.Ng6 hg6 13.Bf3 Nh7 14.Ne4 f5 15.Ng3 Ng5 16.Be2 Nf6 17.f4 ef4 18.ef4 Ne6 19.Qd2 d5 20.cd5 (20.c5!?+=) 20...Nd5= 21.Be5 g5 (21...Bd6 22.d4=) 22.fg5 Bg5 23.Qb2 1–0. tightfist (2225) – salaschess (2110), net–chess.com, 2013.

6.Be2 Be7 7.0–0 Nc6 8.a3 Qd7 9.Nc3 h6 10.d4 ed4 11.Nd4 Nd4 12.ed4 0–0 13.Bf3 c6 14.a4 White plans b5 14...Bg4 15.b5 ab5 16.ab5 Ra1 17.Ba1 cb5 (17...Bf3 18.Qf3 cb5 19.cb5+=) 18.Nb5 (18.Bg4!? Ng4 19.cb5=) 18...Bf3+= 19.Qf3 d5 20.Qe2 dc4 21.Qc4 Rc8 22.Qb3 Ne4 23.Qb2 Bf6 24.f3 (24.Qe2 Qd5=) 24...Ng5 (24...Nc3! 25.Nc3 Bd4 26.Kh1 Bc3–/+ (worse is 26...Rc3 27.Qd2 Qb5 28.Rd1+/–)) 25.Rb1 Ne6 The pressure on the isolated pawn grows 26.Qe2 Bd4 27.Nd4 Nd4 28.Qe5 Ne6 29.Re1 Qc6 30.h3 Qc5 31.Kh1 Qe5 32.Be5 Rc5 33.Bd6 Rd5 34.Bg3 b5 35.Rb1 Nd8 36.Kg1 Nc6 37.Rb3 Nd4 38.Rb2 Nc6 39.Be1?? (39.Rb3 Na5 40.Rb4–+) 39...g5 40.Kf2 Re5 ½–½. mr5reasons1 – hankrearden3, gameknot.com, 2012.

6.h3 h6 7.Be2 Be7 8.a3 0–0 9.0–0 c6 10.d4 Ne4 11.Bd3 h5 12.Qc2+– d5 13.de5 g5 14.Nc3 g4 15.cd5 cd5 16.Nd4 Qc7 17.Nd5 Qc2 18.Ne7 Kh8 19.Bc2 Nd2 20.Ndf5 Nf1 21.Rd1 gh3 22.Rd6 h2 23.Kh1 f6 24.ef6 Rf7 25.Rd8 Kh7 26.Nd6 Kh6 27.Nf7# 1–0. pierre (2115) – Mokolato, internet, 2006.

5.Nf3 b6

6.d3 Be7 7.Nbd2 0–0 8.Be2 d5 (better is 8...Nbd7!?=) 9.cd5+/– (9.Be5?! dc4 10.dc4 Bb4=) 9...Qd5 (9...Bb4 10.e4 Bg6+/–) 10.a3?? (10.e4 Be4 11.de4 Ne4+–) 10...Bd6? (better is 10...Bd3 11.Bd3 Qd3 12.Ne5 Qb5+=) 11.e4+– Ne4 12.de4 Be4 13.Ne4 Qe4 14.0–0 Nd7 15.Bd3 Qf4 16.Qc2 g6 17.Bc1 Qf6 18.Bh6 Rfe8 19.Be4 Rac8 20.Rac1 (20.Bc6 Qd8+–) 20...c5 21.bc5 (21.Rfd1 Rc7+–) 21...Bc5 22.Qd2 Nf8 23.a4 Ne6 24.Be3 Red8 25.Qe2 Bd6 (25...Be3 26.fe3 Rc1 27.Rc1+–) 26.Rfd1 Rc1 27.Rc1 Qg7 28.Qa6 f5?? (better is 28...Bb8+–) 29.Bd5 Re8 (29...h6 30.Be6 Kh7 31.Rc8+–) 30.Be6 Re6 (30...Kh8 31.Ng5 Rf8 32.Rc8+–) 31.Qc4 (better is 31.Qc8 Bf8 32.Qe6 Qf7 33.Qe5 Qe7+–) 31...Qe7 32.Ng5 Kf8 (32...f4 33.Bd2 Kg7 34.Ne6 Kf6 35.Nf4 ef4 36.Re1+–) 33.Qe6 Qe6 34.Ne6 Ke7 35.Nc7 1–0. Fournier,Frederic – psicology (1610), Active, 2007.

6.Be2 Be7 7.0–0 Nbd7 8.d3 0–0 9.Nbd2 (9.Nc3 a5 10.a3 h6+=) 9...c6 (9...a5 10.Nh4 Be6 11.f4 ab4 12.f5+=) 10.a3 (10.Nh4 Be6+=) 10...Qc7 (10...h6 11.e4 Bh7 12.g3=) 11.Rc1 (11.Nh4 Be6+=) 11...a5 12.b5 Nc5 13.e4 Bg4 14.h3 Bf3 (14...Bh5 15.bc6 Qc6 16.d4 Bf3 17.Nf3 ed4 18.Nd4+/– (worse is 18.Qd4 Nb3 19.Qc3 Nc1 20.Rc1 Rfe8+=)) 15.Nf3+= Rac8 16.d4 Nce4 17.de5 (17.bc6 Qc6 18.Bd3 Rfe8+=) 17...de5 18.Ne5 (18.Be5 Qb7 19.Qb3 Rfe8=) 18...cb5 (18...Rfd8!? 19.Nd3 Qd7+=) 19.cb5= Qd6 (better is 19...Bc5!?=) 20.Nc6 Rce8 21.Qc2 (21.Bd3 Nc5 22.Bd4 Nfd7+/–) 21...Bd8 (better is 21...Qf4!? 22.Be5 Qd2 23.Qd2 Nd2+=) 22.Rcd1+/– Qc7 (22...Qc5!? 23.Bd3 Qc2 24.Bc2 Bc7+/–) 23.Bd3 Ng5 (23...Nc5+–) 24.a4 h6 (24...Be7 25.Be5 Qb7 26.Bc4+–) 25.Ba3 Kh8 (25...Be7 26.Be7 Re7 27.Ne7 Qe7 28.Qc6+–) 26.Bf8 Rf8 27.Bf5 Be7 28.Ne7 Qe7 29.Rfe1 Ne6 (29...Qb4 30.Qc6 Qa4 31.Qb6+–) 30.Qc6 (better is 30.Be6 fe6 31.Qc6 Qb4 32.Qb6 Qa4+–) 30...Re8 (30...Qb4 31.Be6 fe6 32.Qb6 Qa4+–) 31.Be6 fe6 32.Qb6 Nd7 1–0. Galoic,Boris (1955) – Pospis,Mihael, Open Hum na Sutli, 2010.

5.Nf3 c6

6.Be2 Qb6 7.a3 a5 8.b5 cb5 9.cb5 Nbd7 10.Nc3 d5 11.Na4 Qd6 12.Rc1 =.

6.Be2 Nbd7 7.0–0= Qb6 8.a3 =.

6.Be2 Nbd7 7.0–0= Qc7 8.Nc3 (8.d4 e4 9.Nfd2 d5=) 8...Be7 9.Rc1 (9.d4 e4 10.Nd2 0–0=) 9...0–0 10.d4 Rad8 11.Nh4 Bg6 (11...Be6!?=) 12.Ng6+/– fg6 13.Qb3 (13.e4 Qb6=) 13...Kh8 (13...ed4 14.Nb5 Qb8 15.Nd4+/–) 14.b5 (14.Bd3 ed4 15.ed4 Rde8+=) 14...c5 15.de5 de5 16.Bf3 (16.Nd5 Nd5 17.cd5 Qd6+=) 16...Bd6 (16...a6 17.Nd5 Nd5 18.cd5+=) 17.g3 (17.Rcd1 Nb6+=) 17...Rfe8 (17...a6 18.Rcd1=) 18.Qc2 Nf8 (18...Rf8 19.Rcd1=) 19.Rcd1+= Ne6 20.Ne4 Ne4 21.Qe4 Ng5 22.Qg4 (22.Qd5 Nf3 23.Qf3 e4=) 22...Nf3 23.Qf3 e4 24.Qg4 Qf7 25.Rd5 h5 (25...Qf3 26.Qf3 ef3 27.Rfd1+=) 26.Qe2 (26.Qd1 Qe6+=) 26...Be7 (26...Qf3 27.Qf3 ef3+=) 27.Rfd1 b6 (27...Rd5 28.cd5 Bd6 29.a4=) 28.Rd7 Qe6 29.Ra7 Rd1 30.Qd1 Rd8 31.Bg7 Kg7?? (better is 31...Kh7 32.Qa1 Rd2+–) 32.Qd8+– Kf6 33.Qe7 (33.Qe7 Qe7 34.Re7 Ke7 35.Kf1+–; better is 33.Qe8+–) 1–0. Sundin,Thommy (2015) – Teigen,Frode, Gausdal, 1989.

6.Be2 Nbd7 7.0–0 Be7 8.Nc3 (8.a3 0–0 9.Nc3 d5 10.d4 e4 11.Ne5 a5 12.Qb3=) 8...Qb6 (8...0–0 9.d4 e4 10.Nh4 Be6 11.f4 Nb6 12.d5+=) 9.b5 (9.a3 0–0 10.d4 a5 11.c5 Qc7 12.Qd2=) 9...Nc5 (9...cb5!? 10.cb5 d5= 11.d4 e4 12.Ne5=) 10.d4+= Ncd7 11.a4 (11.c5 dc5 12.de5+=) 11...a5 (11...Qa5 12.Qd2+=; 11...Qd8 12.a5+=) 12.Ba3 (12.c5 Qc7+/–) 12...c5 13.de5 (13.Nh4 Bg6 14.Ng6 hg6 15.dc5 dc5=) 13...Ne5 (13...de5 14.Nh4 Bg6 15.Ng6 hg6 16.Qc2=) 14.Nd2 Rd8 15.e4 Bg4 (15...Bc8 16.f4 Ng6 17.Bb2+/–) 16.f3 (16.Bg4 Neg4 17.Nd5 Nd5 18.Qg4 h5+/–) 16...Be6 (16...Bd7 17.f4 Neg4 18.Rf3+/–) 17.Nd5 Bd5 18.cd5 Qc7 19.b6 (19.Rb1 b6+/–) 19...Qb6+= 20.f4 Ned7 21.Nc4 Qc7 22.e5 Ng8 (22...Ne5 23.fe5 de5 24.Ne3+/–) 23.Bb2 f6 (23...Kf8 24.Bc3 b6 25.Rb1+/–) 24.Bh5 (24.Bc3 Ra8+–) 24...Kf8 (24...g6!? 25.Re1 Kf8+–) 25.Bc3+– b6 (25...Ra8 26.Bg4 Nb6 27.Ba5 Ra5 28.Na5+–) 26.Rb1 (better is 26.e6 Nb8 27.Rb1 Na6 28.Rb6 Nb4+–) 26...Rb8? (26...f5+–) 27.e6 g6 28.Bf3 (28.ed7?! gh5 29.Qh5 Qa7+–) 28...Ke8 (28...Kg7 29.ed7 Nh6 30.Re1+–) 29.ed7 Kd7 (29...Qd7 30.Ba5! Bd8 31.Re1 Kf7 32.Re6+– (32.Nb6?! Qa7+–)) 30.Bg4 Kd8 (30...Ke8 31.Rb6! Rb6 32.Ba5+– (32.Nb6?! Qb6 33.Re1 Kf8+/–)) 31.Nb6! Qa7 (31...Rb6 32.Ba5) 32.Nc4 h5 (32...Rb4 33.Be2 Rb1 34.Qb1 Ke8+–) 33.Na5 Rb1 (33...Rb6 34.Be6 Ke8+–) 34.Qb1 Ke8 35.Qg6 (better is 35.Nc6 Qa8 36.Qg6 Kf8 37.Ne7 Qe8 38.Bh5 Rh5 39.Qg8 Ke7 40.Qg7 Qf7 41.Bf6 Ke8 42.Re1 Re5 43.Be5 Qg7 44.Bg7 Kf7+–) 35...Kf8 36.Nc6 (36.Nc6 Rh6 37.Qg8 Kg8 38.Be6 Kf8 39.Na7+–) 1–0. Buczinski,Henryk – Skudrzyk, Siemianowice Slaskie Poland, 1966.

5.Nf3 e4

6.Nd4 Nc6?? 7.Nf5+– Nb4 8.Be2 (8.Qb3 d5+–) 8...g6 (8...Qd7 9.g4 h5 10.Bf6 gf6 11.Qb3+–) 9.Ng3 h5 (9...Nd3 10.Bd3 ed3 11.Qf3+–) 10.Qb3 h4 (10...d5 11.cd5 Rh7 12.Bf6 Qf6 13.Nc3+–) 11.Ne4 Ne4 12.Bh8 Qf6 (12...a5+–) 13.Bf6 (13.Bf6 Nf6 14.Qb4+–) 1–0. Fournier,Frederic – cuidado, Active, 2007.

6.Nd4 Bg6 7.d3 c5 8.Ne2 cb4 9.Nf4 ed3 10.Nd2 Nbd7 11.Ng6 fg6 12.Bd3 Be7 13.0–0 0–0 14.Be2 a5 15.Qc2 Rc8 16.Rac1 b5 17.e4 Kh8 18.Qb1 bc4 19.Nc4 Nc5 20.Bf3 Ne6 21.Rfd1 Attacking the isolated pawn on d6 21...Ng5 22.Qd3 a4 23.Qe2 (23.Nd2 Qd7+=) 23...Qe8+= 24.Bf6 Nf3 (24...Bf6? 25.Nd6 Nf3 26.Qf3+–) 25.gf3 (25.Qf3 A) 25...Bf6? 26.Nd6 (26.Rd6?? Bg5 27.Qe2 Bc1–+) 26...Qe6 27.Rc8 Rc8 28.Nc8 Qc8 29.e5 Be5 30.Qb7+–; B) 25...Rf6 26.Qd3 Qg8+=) 25...Rf6–/+ (25...Bf6? 26.Nd6 Qe6 27.Rc8 Rc8 28.Nc8 Qc8 29.Qb5+–) 26.Nb6 Rb8 27.Nd5 Rf8 28.Rb1 Bf6 29.Nb4 Qe5 30.Nd5 Rbe8 31.Qe3 Bg5 32.Qd3 Bf4 33.Nf4 Qf4 34.Rb7 (worse is 34.Qd6 Qf3 35.Qg3 Qe4–/+ (35...Re4?? 36.Qf3 Ree8 37.Qc6+–)) ½–½. Daatselaar,J. B. van (2200) – Weert,Steven de (2200), KE04 NBC Email, 2001.

6.Nd4 Bg6 7.Be2 c5 8.Qa4 Qd7 9.Qd7 Nbd7 10.bc5 dc5 11.Nb5 Rd8 (11...Kd8!?=) 12.Na7 h5 (12...Bd6 13.Nb5 Bb8 14.f4+=) 13.Nb5 Ng4 (13...h4 14.Nc7 Ke7 15.0–0+/–) 14.h3 Nge5 15.Nc7 Ke7 16.0–0 Kd6 17.Nd5 Nf3?? (17...Nd3 18.Bd3 ed3 19.Nbc3+/–) 18.Bf3 (better is 18.gf3 ef3 19.Bf3+–) 18...ef3+= 19.gf3 Ne5 (19...Bd3!? 20.Rc1 Bc4+=) 20.Be5+/– Ke5 21.Nbc3 (21.e4!?+–) 21...Bd3+/– 22.Rfe1 (22.f4 Ke6 23.Rfb1 Bb1 24.Rb1 Rb8+/–) 22...Bc4+= 23.Nb6 (23.f4 Kd6 24.e4 b5=) 23...Ba6 (23...Be6 24.Red1+=) 24.Red1 (24.d4 Kf5 25.Rad1 cd4 26.ed4 Bd6+=) 24...Bd6 (better is 24...Bd3!?+=) 25.f4 Kf5 26.a4 (26.d4 cd4 27.Rd4 Bc5 28.Rd5 Rd5 29.Nbd5 Re8+/–) 26...Rhg8 (26...Bd3 27.a5 Rhg8 28.Kg2=) 27.a5 (27.d4!?+=) 27...g5 28.fg5 Rg5 29.Kh1 Rdg8 30.Rg1 c4 31.Rg5+/– Rg5 32.Rg1?? Bb4 33.Rg5 Kg5 34.f4 Kf5 35.Nbd5 Ba5 36.Kg2 Bc3 37.Nc3 b5 38.Kf3 b4 39.e4 Ke6 40.Nd5 b3 41.Nc3 b2 42.Ke3 f5 43.e5 h4 44.Kd4 Bb7 45.Kc4 Be4 46.Kb3 b1Q 47.Nb1 Bb1 48.Kc4 Be4 49.d3 Bg2 50.d4 Bh3 51.d5 Kd7 52.Kc5 Bg2 53.e6 Ke7 54.Kc6 h3 55.Kc7 –+. PondScum – billfellows, Caissa.com, 2004.

6.Nd4 Bg6 7.Be2 c5 8.bc5 dc5 9.Nc2 Bd6 10.g3 0–0 11.0–0 Qe7 12.Nc3 Nc6 13.Nb5 a6 (13...Be5!? 14.Be5 Ne5–/+) 14.Nd6+= Qd6 15.d3? (better is 15.Rb1+=) 15...ed3–+ 16.Bf3 Rad8 17.Na3 Nb4 (17...d2 18.Qb3–+) 18.Qd2 (18.Bb7 Rfe8 19.Bf6 Qf6 20.Qd2–/+) 18...b5 (better is 18...b6–+) 19.cb5+= ab5 20.Nb5 Qb6 21.Nc3 c4 (21...Qe6 22.Rfc1+=) 22.Rab1 (better is 22.Na4 Qb5 23.Bf6 gf6 24.Rab1+=) 22...Qd6?? (22...Qa6 23.a4 Nbd5 24.Nd5 Nd5 25.a5+=) 23.Rfc1?? (better is 23.Nb5 Qb6 24.Qb4+–) 23...Nc2+= 24.Rd1 Rfe8 25.Rbc1 Nb4?? 26.a3?? Nbd5?? 27.Nd5+/– Nd5 28.Rc4 Nb6?? 29.Rc3 h6?? 30.Rdc1 Na4 31.Rc6 Qd7 32.Qb4?? Nb2= 33.Qb2 d2 34.Rd1 Re6 35.Rc2?? Rd6?? 36.Qa2?? Bc2–+ 37.Qc2 Rc8 38.Qa2 Rc1 39.Kg2 Rd1 40.Bd1 Rc6 41.a4?? Rc1 42.Bf3 d1Q 43.Bd1 Rd1 44.a5 Rd6 0–1. Fournier,Frederic – guest523, Active, 2005.

5.Nf3 g6

6.d4 Nbd7 7.Be2 Bg7 8.Nh4 Bb1 9.Rb1 0–0 10.Nf3 c6 (10...Qe7!?+=) 11.de5+/– de5 12.Ne5 Ne5 13.Be5 Qe7? (better is 13...Re8 14.Qd8 Rad8+/–) 14.Bd6+– Qe4 15.Bf8 Rf8 16.0–0 Qe7 17.Bf3 Rd8 18.Qa4 White plans b5 18...a6 19.b5 ab5 20.cb5 c5 21.Rbd1 Ra8 (21...b6+–) 22.Qa8 Bf8 23.Qb7 Qe6 24.Qc6 (24.Qc6 Ne8 25.Rd8 Qc6 26.bc6+–) 1–0. pcmvr (2110) – losertoo (1860), net–chess.com, 2006.

6.Be2 Bg7 7.0–0 0–0 8.d4 ed4 9.Bd4 (9.Nd4 Be6+=) 9...b6 (9...Nc6 10.Bc3=) 10.Nbd2 c5 11.bc5 dc5 12.Bb2 Nc6 13.Nb3 Qd1 14.Rad1 (worse is 14.Bd1 Bd3–/+) 14...Rfd8 15.a3? (15.Ne5 Ne5 16.Be5 Bc2 17.Rd8 Rd8+=) 15...Bc2 (better is 15...Rd1!? 16.Bd1 Bd3–/+) 16.Rd8+= Rd8 17.Nc1 (17.Nbd2!?+=) 17...Ne4–/+ 18.Bg7 Kg7 19.Ne1 Bd1 20.Bd1 Rd1 21.Ned3 Rf1 22.Kf1 Na5 23.Nb2 Nd2 24.Ke2 Ndc4 25.Nc4 Nc4 26.Nd3 (better is 26.a4–+) 26...Na3 27.Ne5 c4 28.Kd2 b5 (28...Kf6 29.Nc6 Nb5 30.e4–+) 29.Kc3 a5 30.Nc6 b4 31.Nb4 ab4 32.Kb4 Nc2 33.Kc4 Kf6 (33...Ne1 34.g3–+) 34.g3 Ke5 35.Kd3 Nb4 36.Ke2 Nd5 37.Kd3 f5 38.f4 Ke6 39.h3 (39.e4 fe4 40.Ke4 Nf6 41.Kf3 Kd5–+) 39...Nf6 40.Ke2 Kd5 41.Kf3 h5 42.Kf2 Ke4 43.Ke2 Nd5 0–1. hal1958 – SWGeneral, playchess.de, 2003.

6.Be2 Bg7 7.0–0 Nbd7 8.d4 Qe7 9.de5 de5 10.Nbd2 (10.a3 0–0=) 10...0–0–0 (10...Qb4 11.Qb3 Qb3 12.ab3+=) 11.Rc1 (better is 11.Qa4!? e4 12.Nd4+=) 11...Qb4 12.Qb3 Qb3 13.ab3 e4 (13...h6 14.Ra1 Kb8 15.Ra5+=) 14.Nd4 (14.Ng5!? Nc5 15.Bd4+=) 14...Rhe8 15.Nf5 gf5 16.Rfd1 Nc5 17.Kf1 (17.Bd4 Ne6 18.Be5 c5+=) 17...Nd3 (17...Rd2!? 18.Rd2 Nb3–/+) 18.Bd3+= ed3 (18...Rd3 19.Ke2+=) 19.Nf3 Nh5 (better is 19...f4 20.ef4 Bh8=) 20.Bg7+/– Ng7 21.b4 (21.Rc3 f4 22.ef4 Ne6+=) 21...Ne6 (21...f4!? 22.ef4 c5+=) 22.Rc3 f4 23.Rcd3 Rd3 24.Rd3 c5 25.b5 (25.bc5 Nc5 26.Rd5 b6 27.ef4 f6=) 25...Ng7 (25...fe3!? 26.fe3 Nc7+=) 26.ef4 (better is 26.Rd5 fe3 27.Rc5 Kd8 28.Ne5 e2 29.Ke1+=) 26...Nf5? (26...Re4 27.Ne5 f6 28.b6 ab6 29.Nd7+/–) 27.g3 (better is 27.Rd5!? Ng7+–) 27...h6 (better is 27...Rd8 28.Ne5 Rd3 29.Nd3 Nd6+/–) 28.Rd5 b6?? (28...Ng7+–) 29.Rf5 Re7 (29...Rf8 30.Rf6+–) 30.Ne5 (30.Ne5 Kb7 31.Nc6+–) 1–0. Grits – Whodareswins, Live Game Caissa's Web, 2004.

5.Nc3 c6

6.d4 Nbd7 7.Nf3 e4 8.Nd2 d5 9.c5 Be7=+ 10.h3 h5 11.Be2= Qc7 12.Qc2 b6 13.Nb3 bc5 14.dc5 Ne5 15.Nd4 Bd7 16.Na4 Rb8= 17.a3 0–0 18.Nc3 a5= 19.Na2 ab4 20.ab4 Ra8 21.0–0 Qc8 22.Kh2 Qc7= 23.Kh1 h4 24.f4 ef3=+ 25.Nf3 Ng6 26.Bd3+= Nh5 27.Bg6 Ng3 28.Kg1 fg6 29.Be5 Bf5 30.Qf5 Rf5 31.Bc7 Nf1 32.Kf1 Bf6 33.Rb1 Ra2 34.b5 cb5 35.Rb5 d4 36.ed4? Bd4–+ 37.Bd8 Bf6 38.Rb8 Be5?? 39.Bc7+– Kf7 40.Be5 Rc2 41.Rb7 Ke6 42.Rb6 Kd5 43.Bd6 g5 44.Be7 Rf7 45.Bg5 Kc5 46.Re6 Kd5 47.Re5 Kd6 48.Re4 Rb7 49.Bh4 Rbb2 50.Rg4 Rc1 51.Be1 Rb7 52.Kg1 Ke6 53.Kh2 Kf6 54.Bd2 Rc2 55.Be3 g6 56.Bd4 Kf5 57.Nh4 Ke6 58.Rg6 Kd5 59.Rg4 Rb3 60.Bg7 Rf2 61.Rg3 Rb7 62.Bc3 Rh7 63.Nf3 Rf7 64.h4 Rc2 65.Ng5 Rf4 66.Nh3 Rh4 67.Bf6 Rh6 68.Bg7 Rb6 69.Rg5 Ke4 70.Re5 Kd3 71.Nf4 Kc4 72.Re4 Kb3 73.Kh3 Rb7 74.Ne6 Rc1 75.g4 Rh1 76.Kg2 Rc1 77.g5 Rb6 78.Kf3 Rg1 79.Kf4 Rc6 80.Nd4 (80.Nd4 Kc4 81.Nc6 Kb5 82.Ne7+–) 1–0. Horsak,Antonin – Seidl,P, CZE–ch opA U18, 2002.

6.d4 Be7 7.f3 Nbd7 8.Bd3 e4 9.Ne4 0–0?? 10.Ng3 Bg6 11.N1e2 Qc7 12.Nf4 c5 13.Ng6 fg6 14.a3 cb4 15.ab4+– Rac8? 16.0–0 Qb6 17.Qb3 Kh8 18.Qa4 a6 19.Ne2 Qc7 20.Nf4 Nb6 21.Qa2 Qd7 22.c5 dc5+/– 23.bc5 Nbd5 24.Nd5 Nd5 25.Rae1?? Nb4+= 26.Qb3 Nd3 27.Qd3 Bc5 28.Ba3 b5 29.Bc5+/– Rc5 30.Ra1 Ra8 31.e4 Rc4 32.d5 Qd6 33.Rfe1 Qc5 34.Qe3+/– Qe3 35.Re3 Rd4? 36.Rea3+– Kg8 37.Ra6 Ra6 38.Ra6 b4 39.Rb6 g5 40.d6 Kf7 41.e5 Ke6+= 42.Kf2 Ke5= 43.Ke3 Rd6 44.Rb4 Kf5 45.h4 Re6 46.Kf2 gh4 47.Rh4 h6 48.Ra4 Re5 49.g3 h5 50.Ra8 g6 51.Rf8 Ke6 52.f4 Rf5 53.Rg8 Kf6 54.Ke3 Rb5 55.Rf8 Ke6 56.Kf3 Rb3 57.Kg2 Rb5 58.Kh3 Rf5 59.Re8 Kf7 60.Ra8 g5 61.fg5 Rg5 62.Ra7 Kf6 63.Ra6 Kf5 64.Ra4 Rg4 65.Rg4 hg4 66.Kh4 Kg6?? 67.Kg4+– Kh6 68.Kf5 Kg7 69.Kg5 Kh7 70.Kh5 Kg7= 71.g4 Kh7 72.g5 Kg7 73.Kh4 Kh7 74.Kh5 Kg7 75.Kg4 Kg6 76.Kf4 Kg7 77.Kf5 Kf7 78.g6 Kg7 79.Kg5 Kg8 80.Kf6 Kf8 81.Kf5 Kg8 82.Kg5 Kg7 83.Kh5 Kg8 84.Kh6 Kh8 85.g7 Kg8 86.Kg6 ½–½. euforia (1795) – elmago378, internet, 2007.

6.Be2 Nbd7 7.Nf3= Be7 8.d4 ed4 9.ed4 0–0 10.0–0 Re8 11.Nh4 Bg6 12.Qb3 Bh5 13.Rfe1 Be2 14.Re2 Nh5 15.Nf3 Bf8 16.Rae1 Re2+= 17.Re2 Nf4 18.Re4 Ng6 19.d5 c5 20.a3 a6 21.Ne2 b5+= 22.Ng3 Nf6 23.Bf6 gf6 (better is 23...Qf6!? 24.Nd2 Rc8=) ½–½. Gross,Wilhelm – Merten,Rainer, xii/17, 1985.

6.Nf3 g6 7.d4 Nbd7 8.a4 Bg7 9.Be2 0–0 10.0–0 Re8 11.de5 Ne5 12.Ne5 de5 13.Qb3 Qc7 14.h3 Ne4 15.Ne4 Be4 16.a5 a6 17.Rad1 Rad8 18.Bf3 (better is 18.f3!? Bf5 19.e4+=) 18...Bf3+= 19.gf3 Rd1 20.Rd1 Rd8 21.Kg2 Rd7 22.Qc2 Qd8 23.Rd7 Qd7 24.Bc3 Kf8 25.Qb2 f6 26.e4 Kf7 27.Qb3 h5 28.b5 c5 (28...ab5 29.cb5 Ke8 30.bc6 Qc6 31.Qg8 Kd7 32.Qg7 Ke6 33.Bb4+–) 29.ba6 ba6 30.Qb6 Qc8 31.Bd2 Bf8 32.f4 ef4 33.Bf4 g5 34.Bd6 Exerts pressure on the isolated pawn 34...Bd6 35.Qd6 Qe6 (35...h4 36.Qd5 Ke7 37.e5=) 36.Qd5+= Ke7? 37.f3?? Qd6 38.h4 gh4 39.Qf5?? Qe5 40.f4 Qf5?? 41.ef5= Kf7 42.Kh3 Kg7 43.Kh4 Kh6 44.Kg3 Kg7 45.Kh3 Kh7 46.Kh4 Kh6 47.Kh3 Kh7 48.Kg3 Kh6 49.Kh4 Kg7?? 50.Kh5+– Kh7 51.Kh4 Kh6?? 52.Kg4+– Kg7 53.Kf3 Kh6 54.Ke4 Kh5 55.Kd5 Kg4 56.Ke6 Kf4 57.Kf6 Ke4 58.Ke6 Kd4 59.f6 Kc4 60.f7 Kb5 61.f8Q Ka5 (61...Kb4 62.Kd5 Kc3 63.Qf6 Kb3 64.Qa6 Kc2 65.Qe2 Kc3 66.a6 Kb3 67.a7 c4 68.Qc4 Kb2 69.a8Q Kb1 70.Qaa2#) 1–0. orangutandu (1680) – panel69, kurnik, 2011.

6.Nf3 h6 7.h3 Nbd7 8.d4 Qc7 9.Be2 Be7 10.0–0 0–0 11.a4 Rad8 12.a5 e4 13.Nd2 d5 14.Qb3 Be6 15.b5 dc4 16.Bc4 Bc4 (better is 16...Bf5!?+=) 17.Qc4+/– Bd6 18.Nde4 Bh2 19.Kh1 Ne4 20.Ne4 Nf6?? (better is 20...Rfe8 21.Qd3 cb5+/–) 21.Nf6+– gf6 22.g3 Bg3 23.fg3 (23.Rg1 Rd5 24.Rg3 Rg5+–) 23...Qd7 24.Kh2 Qe6 25.Qe6 fe6 26.bc6 bc6 27.Ba3 Rf7 28.Rfb1 e5 29.Bc5 ed4 30.Bd4 (30.ed4 Kg7+–) 30...Rd5 (30...Kg7 31.a6 Rdd7 32.Rb8+–) 31.Rb8 Kh7 32.Rc8 1–0. forsetinn (1780) – leoskye (1695), gameknot.com, 2013.

6.Nf3 Nbd7

7.d4 e4 8.Nd2 d5 9.Be2 Be7 10.Qb3 Be6 11.c5 0–0 12.a4 a6 13.f3 ef3=+ 14.Bf3 Bf5 15.0–0= Bd3 16.Rfe1 Re8 17.Nd5+/– Nd5 18.Bd5 Bg6 19.Bf3 Bg5 20.Nc4+– Nf6 21.Nd6 Qd7 22.e4 Qd8? 23.Nb7 Ne4 24.Nd8 Red8 25.Be4 1–0. Fredek (2090) – Tura, Freundschaftspartie, 5m + 0s, 2005.

7.Be2 g6 8.a3 Bg7 9.d4 0–0 10.0–0 a5 11.b5 Ne4 12.Ne4 Be4 13.de5 de5 14.Nd2 Bf5 15.bc6 bc6 16.e4 Be6 17.Qc2 Qb6 18.Rab1 Qa7 19.Nf3 f5 20.Ng5 Nc5 21.Rfd1 fe4 22.Rd6?? (better is 22.Bc1 Bf5 23.g4=) 22...Bf5–+ 23.g4 Qe7 24.Rc6 Qg5 25.Rc5? (25.Qc1 e3 26.Qe3 Qe3 27.fe3 Bb1 28.Rc5–+) 25...e3 (25...Bg4?! 26.Kh1 Be2 27.Qe2–/+) 26.Qd1 (26.Qc1 Bb1 27.Qe3 Qe3 28.fe3–+) 26...ef2 27.Kf1 Bb1 28.Re5 Qh6 29.Kg2 Rad8 30.Qb1 Be5 31.Be5 f1Q! 32.Bf1 Rd2 33.Kh1 Qe3 34.Bg3 Qf3 35.Kg1 Rd1 0–1. combijack (1765) – mattspike, gameknot.com, 2010.

5.Nc3 Be7

6.d3 0–0 7.Be2 Nbd7 8.Nf3= c6 9.0–0 Qb6 10.a3 a5 11.Qb3 ab4 12.ab4 e4 13.de4 Ne4 14.Bd3?? Ndf6 15.Rad1?? Nc3?? 16.Qc3 Bd3 17.Rd3 Ra4= 18.Ba3 (18.Qc2!? Qb4 19.Rc1=) ½–½. Diederich,Hauke – Koenig,Daniela, GER–ch U13 Oberhof, 1998.

6.Be2 0–0 7.d3 c6 8.Nf3 a5 9.b5 cb5 10.Nb5 Nbd7 11.0–0 b6 12.d4 ed4 13.Nfd4 Be6?? 14.Nc6+– Qe8 15.Nc7 Qc8 16.Ne7 Kh8 17.Nc8 Rac8 18.Qd6 Bg4 19.Bg4 Ng4 20.Qd7 Rcd8 1–0. preparation – dadeetdeetbleep, Live Game Caissa's Web, 2004.

6.Qf3 Qc8 7.h3 Nc6 8.a3 e4 9.Qd1 0–0 10.d4 ed3 11.Bd3 Ne5 12.Be2 Qe6 13.Nd5 Nd5 14.cd5 Qg6 15.Be5 de5 (15...Qg2? 16.Bf3 Qg6 17.Bd4+–) 16.g4 Be4 17.Bf3 Rad8 18.Qb3 Bh4 19.Ke2 Bf6 (better is 19...Bc2 20.Qc3 e4 21.Qc2 ef3 22.Kd1 Rd5 23.Kc1 Qf6–+) 20.Rc1–/+ Rd7 21.Rc4 Bf3 22.Nf3 e4 23.Nd2 Re8 24.Qa4 Rde7 (better is 24...Red8 25.Ne4 Rd5–/+) 25.Rc7+– h6 26.Re7 Re7 27.d6 Re5 (27...Re6 28.Qa7 Rd6 29.Qb7 Kh7+–) 28.d7 (better is 28.Qa7 Bh4 29.Qb7 Qd6 30.Ne4+–) 28...Rd5+/– 29.Rc1 Be7 30.Rc8 Kh7 31.Qa7 Qd6 32.Rc2 Qd7 33.Qb6 Bd8 34.Qa7 Qb5 35.Nc4 Qc6 36.a4 Qf6 37.Nd2 Qd6?? (better is 37...Rd2 38.Kd2 Qf2 39.Kc3 Qe1 40.Kb3 Qb1 41.Rb2 Qd1 42.Rc2 Qd3 43.Rc3 Qb1 44.Kc4 Qf1 45.Kb3 b5 46.ab5 Qb1 47.Kc4 Bf6=) 38.Qb7+– Bh4? (38...Be7 39.Ne4 Qe6 40.f3+–) 39.Qf7 Re5 40.Qc4 Qe7 41.a5 Qe8 42.a6 Re7 43.b5 Qf8 44.Ne4 Re4 45.Qe4 (45.Qe4 Kg8 46.Qf5+–) 1–0. Wesener,Lorenz – Hoenel,Frank, Lauenburg op, 2009.

6.Nf3 Nbd7 7.Be2 0–0 8.0–0 c6 9.a3 a6 10.d4 ed4 11.Nd4 Bg6 12.Bd3 b5?? (12...Bd3!? 13.Qd3 Re8+=) 13.cb5?? (13.Nc6 Qe8 14.Bg6 hg6 15.cb5 Ne5 16.Ne7 Qe7 17.ba6 Ra6+–) 13...ab5?? (better is 13...cb5 14.Bg6 hg6+/–) 14.Nc6+– Qe8 15.Ne7 Qe7 16.Nb5 Bd3 17.Qd3 Ra6 18.Rfd1 1–0. Van Esbroeck,Dirk – Cser,Andras, SN–2008–0–00130, 2009.

6.Nf3 0–0

7.d3 a5 8.b5 Re8 (8...Nbd7 9.Be2 Nb6 10.d4 Qd7 11.de5 de5 12.Ne5; 8...Ra7 9.Be2 Nbd7 10.0–0 Re8 11.e4 Bg4 12.Bc1; 8...Qe8 9.Be2 Nbd7 10.0–0 Nb6 11.e4 Be6 12.Ng5) 9.Be2 Nbd7 10.0–0 Nc5 11.d4 ed4 12.Nd4.

7.d3 Na6 8.a3 (8.b5 Nc5 9.Be2 a6 10.d4 ed4 11.Nd4 Bd7 12.0–0) 8...c5 9.bc5 Nc5 10.Be2 Qb6 11.Rb1 Rfc8 12.0–0.

7.d3 Nbd7 8.e4 (8.Be2 A) 8...c5 9.b5 (9.bc5 dc5 10.Qb3 b6 11.0–0 Re8 12.Qa4; 9.a3 cb4 10.ab4 d5 11.cd5 Bb4 12.0–0) 9...a6 10.0–0 ab5 11.Nb5 Nb6 12.a4; B) 8...a5 9.b5 Nb6 10.d4 a4 11.a3 Qe8 12.0–0; C) 8...d5 9.cd5 (9.b5 dc4 10.dc4 Re8 11.0–0 a6 12.Bd3) 9...Bb4 10.Qb3 Bd6 11.0–0 Re8 12.Rfc1) 8...Bg6 (8...Bg4 9.h3 (9.a3 a5 10.h3 Bh5 11.d4 ed4 12.Qd4; 9.Be2 c5 10.b5 Qb6 11.0–0 Rfe8 12.Ng5) 9...Bh5 10.a3=+ (10.Be2 d5 11.cd5 Bb4 12.0–0) 10...a5 11.d4 ab4 12.ab4; 8...Be6 9.d4 (9.Ng5 Bg4 10.Be2 Be2 11.Qe2 d5 12.ed5; 9.a3 a5 10.Be2 c6 11.Ng5 ab4 12.ab4; 9.Be2 c5 10.a3 Qb6 11.Na4 Qc6 12.Ng5) 9...a5 10.a3 ab4 11.ab4 Ra1 12.Ba1) 9.a4 (9.Be2 d5 10.cd5 Bb4= 11.Qb3 Bd6 12.0–0) 9...a5 (9...d5 10.cd5 Bb4 11.Be2=+ Ng4 12.Nd2) 10.b5= c6 (10...Ng4 11.h3 Ngf6 12.Be2) 11.Be2 Nh5 (11...d5 12.cd5) 12.d4 (12.0–0=) 12...f5 13.de5 (13.ef5 Bf5 (< 13...Rf5 14.g4 Rf3 15.gh5 Rc3 16.hg6+/–) 14.Ne5 Nf4 (< 14...de5 15.Bh5 ed4 16.Qd4=+) 15.Nd7 Ng2 16.Kf1 Bh3–/+) 13...de5 14.Nd2 Nf4=+ 15.0–0 Nc5 16.Ba3 Qd4 17.Bc5 Bc5 18.Nb3 Qc3 19.Nc5 Rad8 20.Qe1 b6 21.Qc3? Ne2–+ 22.Kh1 Nc3 23.Ne6 cb5 24.ef5 Bf5 25.Nd8 Rd8 26.cb5 Rd4 27.f3 Na4 28.Rfe1 e4 29.fe4 Be4 30.Rac1 Nc5 31.Re2 Rb4 32.h3 Rb5 33.Kh2 Rb3 34.Rc5 bc5 35.Re4 Kf7 36.Rc4 Rb5 37.Kg3 h6 38.Kf3 Ke6 39.Re4 Kd6 40.Rg4 g5 41.Ra4 Kd5 42.h4 c4 43.hg5 hg5 44.Ke3 Kc5 45.g4 Rb3 46.Ke4 Kb5 47.Ra1 c3 48.Kf5 c2 49.Rc1 Rb2 50.Kg5 Kc4 0–1. De Visser,Arno – Koegeler, 1999.

7.d3 Re8 A) 8.e4 A1) 8...Bd7 9.Be2 Rf8 10.0–0 Na6 11.b5 Nc5 12.d4; A2) 8...Be6 9.Be2 (9.d4 Bd7 10.Be2 ed4 11.Nd4 c5 12.Nc2) 9...Na6 10.a3 c5 11.b5 Nc7 12.0–0; A3) 8...Bc8 9.Be2 (9.b5 a6 10.Be2 ab5 11.Nb5 Na6 12.0–0; 9.a3 a5 10.b5 Bg4 11.Be2 Bf3 12.Bf3) 9...d5 10.cd5 Bb4 11.a3 Ba5 12.0–0; A4) 8...Bg4 9.Be2 a5 10.b5 Nbd7 11.0–0 Nc5 12.Ng5; B) 8.Be2 d5 9.a3 (9.Ne5 d4 10.ed4 Qd4 11.Nf3 Qd7 12.b5) 9...a5 10.Nd5 Nd5 11.cd5 ab4 12.Qb3.

7.d4 Nc6 8.b5 Nb4 9.e4 Ne4–+ 10.Qb3 Nc3 11.Qb4 ed4?? 12.Nd4+/– Ne4 13.Nf5+– f6 14.Bd3 Nc5 15.Qa3 a6 16.b6 cb6 17.0–0 b5 18.Rae1 Re8 19.Ne7 Re7 20.Re7 Qe7 21.cb5 Qe8 22.b6 Qc6 23.Bc4 Kh8 24.Qb4 Na4 25.Bd5 Qb6 26.Qb6 Nb6 27.Bb7 Ra7 28.Re1 h6 29.Re8 Kh7 30.Re7 Nd5 31.Rd7 f5 32.Bd4 Rb7 33.Rb7 (33.Rb7 Kg6 34.Rg7 Kh5 35.Rd7+–) 1–0. Zylla,Johannes – Unbekannt, WF–Offene Stadtm., 1990.

7.d4 ed4 8.Nd4 Be6 9.Qf3 c6 10.Bd3 Nbd7 11.Ne6 fe6 12.Qh3 e5 13.0–0 Nb6 14.Rad1 Qc7 15.f4 ef4 16.Rf4 h6 17.Qe6 Kh8 18.Qh3 Nbd7 (18...Kg8!?=) 19.Ne4 Rae8 (better is 19...Ne5!?+=) 20.Ng5+– Qc8? (better is 20...Qb6 21.Bc3 Rb8+–) 21.Rh4 Ng8 (21...Ne5 22.Bf5 Nh7 23.Bc8 Ng5 24.Rh6 gh6 25.Qh6 Nh7 26.Rd6 Bg5+–) 22.Rh6 1–0. Jaramillo,Carlos Orlando (1930) – Cuevas Sanchez,Bramdon D (1765), Ibague CO, Men Ch, 2013.

7.d4 ed4 8.Nd4 Bg6 9.a3 c5 10.Nf3 cb4 11.ab4 Nbd7 12.Bd3 Bd3= 13.Qd3 Ne5 14.Qe2 Nf3 15.Qf3 b6 16.0–0+/– Nd7 17.Rfd1 Ne5 18.Qd5 Rc8 19.c5 bc5+= 20.bc5 (20.bc5 Rc5 21.Qc5 dc5 22.Rd8 Rd8 23.Ra7=+). katchum (2280) – deaftwo (2000), net–chess.com, 2004.

7.d4 Nbd7 8.Be2 c6 9.Qb3 Rc8 10.0–0 h6 11.Rad1 Qc7 12.h3 Rfd8 13.Rfe1 Bg6 14.a4 Nh7 15.Rd2 Ng5 16.Nh2 Nf6= 17.f3 Rb8 18.Nd1 Nh5 19.Nf1 Kh8 20.Nf2 Re8 21.Red1 Rbd8 22.Bc3 f5 23.Qb1 Kh7 24.Bd3+= e4 25.fe4+/– f4 26.e5 Bd3 27.Nd3 fe3 28.Ne3 Kh8 29.c5 dc5 30.Nc5 b6 31.Ne4 Qd7 32.Rf2 Nh3? 33.gh3+– Qh3 34.Ng2 Bh4 35.Nh4 Qh4 36.Rh2 Qf4 37.Bd2 Qf3 38.Rf1 Qg4 39.Rg2 Qh3 40.Nf2 Qf3 41.Qg6 Rf8 42.Bh6! (42.Bh6 Kg8 43.e6+– (< 43.Bg7 Nf4 44.Qg4 Qg2 45.Qg2 Ng2 46.Bf8 Kf8 47.Kg2 Rd4+–)) 1–0. Dzieniszewski,Andrzej – Litwora, Krosno Odrzanskie, 1983.

7.d4 Nbd7 8.Be2 h6 9.0–0 c6 10.b5 Qc7 11.Qb3 Rfe8 12.a4 Bf8 13.d5 c5 14.a5+= g5 15.Bd1 Qd8 16.h3 e4 17.Nd2+/– Bg7 18.g4 Bg6+= 19.Bc2 Qc8 20.f3 ef3 21.Rf3 Ne5 22.Rg3 h5 23.gh5 Nh5= 24.Rg5 Qh3 25.Nce4 Ng4 26.Nf1? Be4 27.Be4 Re4 28.Qc3 f6 (29.Rh5 Qh5–+) 0–1. Holz auf der Heide,Gerhard – Enricci,Juan Andres, corr ICCF World Cup prel, 1971.

7.Be2 c6 8.0–0 h6 9.d4 e4 10.Nd2 d5 11.cd5 cd5 12.a3 Nbd7 13.Na4 Rc8 14.Rc1 Nb6 15.Rc8 Bc8 16.Nb6 Qb6 17.Qb3 Qd6 18.Rc1 Be6 19.Qa4 Qb6 20.Qb5 Qb5 21.Bb5 a6 22.Be2 Bd6 23.Nb3 Rc8 24.Nc5 Rc7 25.Ne6 Rc1 26.Bc1 fe6 27.h3 Nd7 28.b5 ab5 29.Bb5 Nb6 30.a4 Bb4 31.Kf1 Kf7 32.Ke2 Ke7 33.Bd2+= Ba3 34.a5 Nc4 35.a6 ba6= 36.Ba6 Kd6 37.Bc3 Bb2 38.Bb4+/– Kc6 39.Bf8 Kb6 40.Bc4 dc4 41.Bg7 Kb5 42.Bh6 Kb4 43.Bg7 c3 44.d5=+ ed5 45.g4 Kb3 46.Bc3= Bc3 47.g5 Kc2 48.h4+= Bg7 49.h5+/– Bf8 50.h6 Kc3 51.f4 ef3 52.Kf3 Kd3 53.Kf4 (53.Kf4 Kc4 54.Ke5+–) 1–0. Globuschuetz – Motog, Hannover, 1998.

7.Be2 Nbd7 8.0–0 c6 9.d4 Bg6 10.de5 (10.Nh4 ed4 11.Ng6 dc3 12.Ne7 Qe7 13.Bc3 d5+=) 10...Ne5 11.Ne5 de5 12.a3 Qc7 0–1. poesimannen (2065) – Divljak (1950), FICS rated standard game, 2013.

7.Nh4 Qd7 8.Nf5= Qf5 9.Qf3 Qc2 10.Qb7+/– Qb2 11.Rb1+– Qc2 12.Qa8 Nbd7? 13.Qc6 Nb6 14.Rd1 e4 15.Qc7 Re8 16.Qa7 (16.Qa7 Nbd7 17.Be2+–) 1–0. pierre – qubs, internet, 2010.

7.Nh4 Bd7!? 8.Nf3 Qc8 =.

6.Nf3 h6

7.d4 ed4 8.Nd4+= Bg6 9.Bd3 Bd3 10.Qd3 Nbd7 11.0–0 Ne5 12.Qe2 0–0 13.Rfd1 c6 14.e4 a5 15.a3 ab4 16.ab4 Qc7 17.f4 Ng6 18.g3 Ra1 19.Ra1 Qb6 20.Na4+= Qc7 21.Nf5 Ra8 22.Qd3 Qb8 23.Nc3?? Ra1–+ 24.Ba1 Qa7 25.Kg2 Qa1 26.b5 Ng4 27.Ne2 Qh1 28.Kh1 Nf2 (28...Nf2 29.Kg2 Nd3–+) 0–1. katchum (2290) – redrook (2385), net–chess.com, 2008.

7.Be2= 0–0 8.d4 ed4 9.Nd4+= Bh7 10.Bf3 c6 11.b5 d5 12.cd5+/– Nd5 13.Nd5 cd5+= 14.0–0 Bf6 15.Rc1 Be4 16.Qe2 Nd7 17.Rfd1 Rc8 18.Be4 Rc1 19.Bh7 Kh7 20.Rc1 Ne5 21.Qc2 g6 22.Nb3 Qb6 23.a4 Qe6 24.Nc5 Qg4 25.Be5 Be5 26.Nb7 Qh5 27.h3 Qh4 28.Qc5+– Re8 29.Qd5 Re7 30.Rc4 Qh5+/– 31.f4 Bf4 32.Qh5 Be3 33.Kf1 gh5 34.Na5 f5 35.Nc6 Re6? 36.Ke2?? f4 37.Kf3 Kg6 38.Re4 Rd6 39.g3 Rd3?? 40.gf4 Bc5 41.Kg2 h4?? 42.Re6 Kg7 43.Rg6 Kh7 44.Rg4 Rd2 45.Kf3 Rd3 46.Kg2 Rd2+/– 47.Kf1 Rf2 48.Ke1+– Ra2 49.f5 h5 50.Re4 Kh6 51.Nd8 Rh2 52.Nf7 Kg7+/– 53.Ng5 Kf6+= 54.Nf3 Rh3 55.Nh4 Kg5=+ 56.Ng6 Kf5 57.Re5= Kg6 58.Rc5 Ra3 59.Rc4 ½–½. Kulbacki,James – Triplett,Thomas, East Lansing ch–MI op, 1982.

5.d3 Nbd7

6.a3 Be7 7.Nc3 0–0 8.Nf3 c6 9.Qb3 Qc7 10.d4 ed4 11.ed4 b6 12.Be2= Ne4 13.Ne4 Be4 14.Nd2 Bg2? 15.Rg1+– Bh3 16.Qh3 1–0. Goudriaan,Etienne – Zimmermann,Dries, Hengelo U16 op, 2004.

6.a4 d5 7.cd5 Bb4 8.Nd2 0–0 9.e4 Bg6 10.Ngf3 a6 11.Be2 b5 12.ab5+/– ab5 13.0–0 Qe7 14.Qc2 Ra1 15.Ra1 Nh5 16.Qc7 Nf4 17.Bf1 Bd6 18.Qc6 f6 19.Ra8 Ra8 20.Qa8 Kf7 21.g3 Nh5 22.Nh4 f5?? 23.ef5 (23…Nhf6 24.fg6 hg6 25.Bh3+–; 23.Nf5?! Bf5 24.ef5 Nhf6+–; 23.Ng6?! hg6 24.Qc6 Nhf6+–) 1–0. hal1958 – abzgpf, playchess.de, 2003.

6.Be2 d5+= 7.a3 c5 8.b5 dc4 9.dc4 Qa5 10.Bc3 Qc7 11.Nf3 Rd8 12.Qa4 Nb6 13.Be5?? (13.Qa5 Bd6 14.Bb2–/+ (14.Qa7?? Ra8 15.Qa8 Na8–+)) 13...Qe5–+ (13...Na4 14.Bc7 Rd7 15.Be5+/–) 14.Ne5 Na4 15.g4 Be6 16.f4 (16.g5 Ne4 17.Bf3 Bd6–+ (17...Ng5?! 18.Bb7 Be7 19.h4–+)) 16...Bd6 17.h3 Be5 18.fe5 Nd7 19.Bf3 (19.Nd2 Ne5 20.Ra2 h5–+) 19...Ne5 20.Bb7 Bc4 0–1. De Jager,Jaap (2305) – Alders,R, PKS op–A Netherlands, 2003.

6.e4 Bg6 7.Be2 Be7 8.Nf3 0–0 9.0–0 Ne8 10.Nc3 c6 11.a4 f5 12.Qb3 Kh8 13.Rfe1 Nc7 14.Bf1 Bh5 15.Nd2 Bg5 16.Qc2 Qf6 17.ef5= Qf5 18.Nde4 Qg6 19.Ng5+= Qg5 20.Ne4 Qg6 21.Re3 Rf3 22.Rf3 Bf3 23.Ng3 Bg4 24.f3 Be6 25.Qd2 Rf8 26.d4+= h5 27.Bd3 Qf7 28.Ne4 Qe7 29.Re1 Bc4 30.Bc4+– d5 31.Bd5 Nd5+/– 32.de5 Qb4? 33.Qb4+– Nb4 34.Rd1 Nb6 35.e6 Re8+= 36.Ng5 N4d5 37.Rd4+= c5 38.Rh4+/– Nf6 39.a5 Nbd5+= 40.g4 g6? 41.gh5 gh5+/– 42.Rh5 Kg7? 43.Ne4+– Kg6 44.Rg5 Kh6 45.Nf6 Kg5 46.Ne8 (46.Ne8 Kf5 47.Ng7 Kf4 48.Bc1 Ke5 49.Bg5+–; 46.Nd5?! Re6 47.Be5 Kf5+/–) 1–0. Schaefer,J – Schlander,Sabine, Wuerzburg op, 1998.

6.Qf3 Be6 7.Qb7 d5 8.a3 a5 9.Bc3 (9.Qc6!? ab4 10.Be5 dc4 11.Bf6 (11.Bc7? Qc8 12.dc4 Ra7–+) 11...gf6 12.a4+=) 9...ab4+= 10.Bb4 Rb8 11.Qc6 Bb4 (worse is 11...Rb4 12.ab4 Bb4 13.Nd2+=) 12.ab4 Rb4 13.Nc3 Rb6 14.Qa4 0–0 15.cd5 Nd5 16.Nd5 Bd5 17.Rc1 Qe7 18.Ne2 (18.Rc7 Rb1 19.Ke2 Rb2 20.Rc2 Nc5 21.Rb2 Na4–+) 18...Ra8 19.Qc2 Qb4 20.Qc3 Nc5 21.Qb4 Nd3 (21...Rb4? 22.Rc5 Ra1 23.Nc1+–) 22.Kd2 Nb4 23.Nc3 Bb3 24.f3 (24.f4 Rc6 25.Bb5 Rc5 26.fe5 c6–+ (26...Re5?! 27.Rb1 Rd8 28.Ke2–+)) 24...Rd8 (better is 24...Rc6!? 25.e4–+) 25.Ke1 Nc2 26.Kf2 Rd2 27.Be2 Nb4 28.Ra1 g6 29.Ne4 Rb2 30.Rhb1 Nd3 31.Kf1 Bc2 32.Rb2 Rb2 33.Nf6 Kf8 34.Nh7 Kg7 35.Ng5 c5 36.Ne4 c4 37.h4 Bb1 38.Nc3 Bc2 39.Ra2 (39.Ne4 Kf8–/+) 39...f5 40.g4 Kh6 41.Ra6 Nb4 42.Ra7 Bd3?? (better is 42...fg4 43.fg4 g5=) 43.g5 (43.g5 Kh5 44.Rh7) 1–0. Lothal,Guenter (1870) – Gahn,Juliane, Leipzig VfB op, 2003.

6.Qf3 Bg4 7.Qb7 Rb8 8.Qa7 Rb4 =.

6.Nf3 Be7 7.Be2 e4 (7...0–0!?=) 8.de4+= Be4 9.Nbd2 Bg6 10.0–0 0–0 11.a3 Ne4 12.Ne4 Be4 13.Bd3 Bd3 14.Qd3 Bf6 15.Bf6 Nf6 16.Rfd1 Qe7 17.Rac1 Rad8 18.Qf5 Qe6 (18...Rfe8 19.Rd4+=) 19.Nd4 Qf5 20.Nf5 g6 21.Ne7 Kg7 22.Nd5 Nd5 23.Rd5 Rfe8 24.Rcd1 Re4 25.c5 Re6 26.cd6 Red6 27.Rd6 Rd6 28.Rd6 cd6 29.e4 Kf6 30.f3 Ke5 31.Kf2 d5 32.Ke3 de4 33.fe4 b5 34.g3 g5 35.h3 h5 36.Kd3 f6 37.Ke3 a6 38.Kd3 g4? (38...Kd6 39.Kd4=) 39.h4?? (better is 39.hg4 hg4 40.Ke3+–) 39...f5 40.ef5 Kf5 41.Kd4 Ke6 42.Ke4 Kf6?? (better is 42...Kd6=) 43.Kf4+– Kg6 44.Ke5 Kg7 45.Kf5 Kh6 46.Kf6 Kh7 47.Kg5 (47.Kg5 Kg8 48.Kh5+–) 1–0. Fournier,Frederic (1855) – xynoff (1850), Active (5/0), 2006.

6.Nf3 Bg4 7.Be2= Be7 8.0–0 0–0 9.Nbd2 Re8 10.Re1 Bf8 11.a3 Nb6 12.Rc1 a5 13.h3 Bf5 14.e4 Be6 15.b5 Nbd7 16.a4 Nc5= 17.Ba3 Qd7 18.Bc5+= dc5 19.Ne5 Qc8 20.Ng4 Bg4 21.Bg4 Qd8 22.Nf1 Bd6 23.g3 Be5 24.f4 Bb2 25.Rc2 Qd4 26.Kg2 Rad8 27.e5 Bc3 28.Re3+= Ng4 29.Qg4 Re7 30.Qe2 Rde8?? 31.Nh2 Bb4+= 32.Nf3 Qd7 33.g4 c6 34.Qd1 cb5 35.cb5 b6 36.Rc4 Qe6 37.Ng5 Qd5 38.Qf3+/– Qd8 39.Qe4 g6 40.Qf3 Rd7 41.Ne4 Kh8 42.Nf6 Bd2 43.Nd7 Be3 44.Nf6 Qd3 45.Ne8 Qd2 46.Kf1 Qd3 47.Qe2 Qb1 48.Kg2 Qg1 49.Kf3 Bd4 50.Rc2 Qh1 51.Kg3 Qg1 52.Kh4 h6 53.Nf6 Kg7 54.Ne4 h5 55.gh5 gh5 56.Qg2 (56.Qg2 Qg2 57.Rg2 Kf8 58.Kh5+–) 1–0. Sternik,Ryszard – Cashman,Paul, Peninsula op Brisbane, 1992.

5.d4 ed4

6.ed4 g6 7.Nf3 Bg7 8.Bd3 (8...Qe7 9.Kf1 Bd3 10.Qd3=). KHW – jarie, ChessWorld.net, 2002.

6.ed4 d5

7.c5 =+.

7.Nf3 Bb4–/+ 8.Nbd2 0–0–+ 9.Be2 dc4 10.Bc4 Qe7 11.Kf1 Nc6 12.a3 Bd6 13.Nh4 Be6 14.Bd3 Bg4 15.f3 Bd7 16.Nf5 Bf5 17.Bf5 Nd5 18.Qb1 Ne3 19.Kf2 Nf5 20.Qf5 Rfe8 21.Ne4 Qh4 22.g3–/+ Qh6 23.Rae1 Ne7 24.Qb5 c6 25.Qb7 Rab8 26.Nd6? Rb7 27.Nb7 f5 28.Nc5 Kf7 29.Re6 Ng6 30.Re8 Ke8–/+ 31.Re1 Kf7 32.h4 f4 33.Re4 fg3 34.Kg3 0–1. Romanski,Andreas – Mueller, Oberhau Post op 1st, 1991.

6.Bd4 Be7

7.Bd3 Bd3 8.Qd3 c5 =+.

7.Bd3 Qd7 8.Nf3 Nc6 9.Bc3 0–0 10.a3 Rfe8 11.0–0 Bf8 (11...Rad8 12.Qc2 Bd3 13.Qd3=) 12.Qc2 (12.Bf6 Bd3 13.Qd3 gf6 14.Nbd2+/–) 12...Bg4? (12...Bd3 13.Qd3 Be7 14.Rd1=) 13.Be2?? (better is 13.Bf6!? gf6 14.Bh7 Kh8 15.Be4+–) 13...Bf3 (13...Ne4!?=) 14.Bf3+= (worse is 14.gf3 Qe6=) 14...Ne5 (14...Be7 15.Rd1+=) 15.Be5 de5 16.Nc3 (better is 16.Bb7 Rad8 17.c5+/–) 16...e4? (16...c6 17.Ne4 Qf5 18.Rad1+=) 17.Be2?? (better is 17.Ne4 Be7 18.Nf6 Bf6 19.Bb7 Ba1 20.Ba8 (20.Ra1?! Rad8+=) 20...Ra8 21.Rd1+–) 17...a5 18.b5 Qf5 19.Rad1 Bd6 20.g3 Qh3 21.f3 Re5 22.Ne4 Ne4 23.fe4 Rh5?? 24.Bf3?? Rh6 25.Rf2 Bc5 26.Qd3 Rd6= 27.Qe2 Rd1–+ 28.Qd1 Be3 29.Qe2 Bf2 30.Qf2 Rd8 31.Bg2 Qg4 32.h3 Rd1 33.Kh2 Qg5 34.Qa7 b6 35.Qc7 Qf6 36.Qb8 Rd8 37.Qc7 g6?? 38.e5+= Qg5 39.h4 (39.h4 Qd2 40.Qb6+=) 1–0. Fournier,Frederic – Guest268333, Partie amicale, 3m + 1s, 2008.

7.Nf3 Nc6=+ 8.Bc3 h6 9.Bd3 Bd3= 10.Qd3 0–0 11.0–0 a6 12.a4 d5= 13.Rd1 dc4 14.Qd8?? Rad8 15.Nbd2 Bb4?? 16.Bb4 Nb4–+ 17.Nc4 Ne4 18.Rd4 Rd4 19.ed4–/+ Nc2 20.Rb1? b5 21.ab5 ab5 22.Rb5 Ra8 23.g3 Ra1 24.Kg2 Ne1 25.Ne1+= Re1 26.Re5 Rc1 27.Ne3 Nd6 28.Rc5 Rc5= 29.dc5 Ne4 30.c6+= Nc3 31.f4 Nb5= 32.Nd5 Nd4 33.Nb4 Kf8 34.Kf2 Ke7 35.Ke3 Nb5 36.Nd5 Kd6–/+ 37.Ke4 Kc6 38.Ne7 Kb6 39.Nf5 Nd6–+ 40.Nd6 cd6 41.Kd5 Kc7 42.h4 Kd7 43.f5 f6 44.g4 Ke7 45.h5? Kd7–+ 46.Kd4 Kc6 (46...Kc6 47.Kd3 Kc5–+) 0–1. gtate (2005) – jasniepanicz (2130), net–chess.com, 2005.

5.Be2 Nbd7

6.a3 a5 7.Nf3 =.

6.a3 Be7 7.d3 c6 8.Nf3 a5 9.Nc3 0–0 10.0–0 ab4 11.ab4 Ra1 12.Qa1 Qa8 ½–½. De Kruif,Kees (2080) – Heath,Jeffrey (1925), Guernsey op, 2006.

6.d4 Be7 7.Nf3 c6 8.0–0 e4 9.Nh4 Be6 10.d5 cd5 11.cd5 =.

6.d4 ed4

7.ed4 d5 8.c5 Be7 9.Nf3 0–0 10.0–0 c6 11.Re1 =.

7.ed4 g6 8.g4 (better is 8.Nf3= d5 9.c5 Bg7 10.0–0 0–0 11.Re1=; 8.Nc3 d5 9.c5 Bg7 10.Nf3 0–0 11.0–0=) 8...Ne4?? (better is 8...Be4 9.Bf3 d5=+ 10.g5 Bf3 11.Nf3=+) 9.d5+– Qh4 10.Bd4 c5? 11.dc6 Bg7 12.cb7 Rb8 13.Nf3 Qg4 14.h3 Qg2 15.Rh2 Nf2 16.Bf2 Bc3 1–0. Bonetti,Shane – guest1877, ICC, 2002.

7.Qd4 c5 8.Qf4 Be6 9.bc5 dc5 10.Nd2 Be7 11.Ngf3 =.

7.Bd4 c5 8.Bc3 Nb6 (8...cb4 9.Bb4 Ne4 10.Nf3 Qf6=) 9.bc5 (9.Nd2 d5 10.bc5 Bc5=) 9...dc5 10.Nd2 (10.Qd8 Rd8=) 10...Be7 11.Ngf3 0–0 12.0–0 Ne4 13.Rc1 (13.Ne4 Be4 14.Nd2 Bg6=) 13...Nc3=+ 14.Rc3 Bf6 15.Rb3 Qe7 (15...Re8 16.Ne1=+) 16.Bd3= Bd7 17.Rb1 (17.Qb1 g6=) 17...Rad8 18.Qc2 h6 19.Nb3 Bc6 20.Qe2 (20.Nfd2!?=+) 20...Bf3–/+ 21.Qf3? (better is 21.gf3 Na4 22.Qc2–/+) 21...Rd3–+ 22.Rbc1 Rfd8 23.h3 Na4 24.Rfd1 Nc3 25.Rd3 Rd3 26.Kh1 g6 27.g3 b6 28.Rc2 Qd6 29.Qa8 Kg7 30.Qa7 Qc6 (30...Qc6 31.f3 Qf3 32.Rg2 Qf1 33.Kh2 Rd1 34.Qf7 Kf7 35.g4 Be5 36.Rg3 Qe2#) 0–1. valpa – Mik, playchess.de, 2002.

5.Nf3 Na6

6.a3 Rb8 7.Be2 c5 (7...Be7 8.Nc3 c6 9.d4 e4 10.Nd2+=; 7...c6 8.Nc3 Be7 9.d4 e4 10.Nd2+=; 7...e4 8.Nd4 Bg6 9.0–0 c5 10.Nb5+=; 7...Qd7 8.d4 e4 9.Nh4 Bg4 10.Bg4+/–; 7...Nd7 8.Nc3 Nf6 9.d4 c6 10.de5+/– 1.00; 7...Ra8 8.0–0 Be7 9.d4 e4 10.Nfd2+=) 8.b5 Nc7 9.Qa4 Nd7 10.d4=.

6.a3 Nb8 A) 7.Nc3 Be7 (7...Nc6 8.d4 ed4 9.ed4 Be7 10.b5+=; 7...a5 8.d4 e4 9.Nd2 ab4 10.ab4=; 7...Nbd7 8.Be2 a5 9.d4 ab4 10.ab4+=) 8.Be2 0–0 9.0–0 a5 10.Qb3=; B) 7.Be2 Be7 8.0–0 0–0 9.Nc3 a5 10.b5=.

6.a3 c5 7.b5 (7.bc5 Nc5 8.d4 Qb6 9.Ra2 Ncd7 10.Be2=; 7.Qb3 e4 (7...Qb6 8.Qa4 Kd8 9.Qb5 Qc7 10.Qa4=; 7...cb4 8.ab4 Qb6 9.Qa4 Bd7 10.b5=; 7...Be7 8.d4 ed4 9.ed4 0–0 10.b5=) 8.Nh4 Be6 9.Nc3 Be7 10.Qa4+=) 7...Nc7 8.Nc3 (8.d3 a6 9.ba6 ba6 10.Nc3=) 8...Be7 9.Be2 (9.d4 cd4 10.ed4+=) 9...0–0 (9...e4 10.Nh4=) 10.d3 b6 11.0–0 d5? (better is 11...a6!?=) 12.cd5 Nfd5? (better is 12...Bd6!?+/–) 13.Nd5+– Nd5 14.e4 (14.Ne5?! Bf6+/–; 14.Be5?! Re8+/–) 14...Nf4 (14...Bg6 15.ed5 f6 16.Nh4+–) 15.ef5 f6 16.Nh4 g5?! (16...Ne2 17.Qe2 Qd7 18.a4+–) 17.fg6 hg6 18.Bf3 Rc8 19.g3 Nh3 (19...Nd3 20.Ng6 Nb2 21.Qb3 Rf7 22.Ne7 (worse is 22.Qb2 Qd3 23.Nh4 c4+–) 22...Qe7 23.Bd5+– (worse is 23.Qb2 e4 24.Rfe1 f5+–)) 20.Kg2 Ng5 21.Ng6 Rf7 (21...Re8 22.Bb7 Rc7 23.Bc6 Rc6 24.bc6 Qd5 25.f3 Qc6 26.Qe2+–) 22.Bg4 Rc7 (22...Qd5 23.Kg1 f5 24.f4 ef4 25.Nf4+–) 23.Qb3 (23.f4 ef4 24.Nf4 f5+–) 23...Kg7 24.Bf5 e4 (24...Qa8 25.f3 Bd6 26.h4+–) 25.de4 c4 26.Qe3 Bc5 (26...Kg8 27.h4 Nh7+–) 27.Qg5 (27.Qg5 Bd4 28.Bd4 Qd4 29.Qg4+–) 1–0. pierre – desperado57, internet, 2008.

6.a3 Bd7 A) 7.d3 Be7 (7...Be6 8.Be2 Be7 9.0–0 0–0 10.Ng5+=; 7...Bg4 8.Be2 Be7 9.0–0 0–0 10.Ng5+=; 7...c6 8.Be2 Be7 9.0–0 0–0 10.Nc3+=; 7...Bf5 8.Be2 Be7 9.0–0 0–0 10.e4+=; 7...Rc8 8.Be2 Be7 9.d4 e4 10.Nfd2+=; 7...Rb8 8.Be2 Be7 9.Nbd2 c5 10.d4+=) 8.Be2 0–0 9.0–0 c5 10.b5=; B) 7.Nc3 Bf5 8.d4 e4 9.Qc2 Qe7 10.c5+=.

6.a3 e4 7.Nd4 Bg6 (7...Bd7 8.d3 c5 9.Nc2 cb4 10.ab4=; 7...Bg4 8.Be2 Be2 9.Ne2 c6 10.Bf6+=) 8.d3 c5 9.Nc2 cb4 10.ab4 =.

6.a3 Be7

7.Be2 0–0 8.0–0 e4 9.Nd4 Bg6 10.f4 =.

7.Be2 c5 8.bc5 Nc5 9.d4 Qb6 10.Ra2 =.

7.Be2 Qc8 8.0–0 0–0 9.d4 e4 10.Ne1 =.

7.Be2 Rc8 8.0–0 0–0 9.d4 e4 10.Nfd2 =.

7.Be2 Qd7 8.0–0 0–0 9.Nc3 c6 10.d3 =.

7.Be2 Nd7 8.d4 Bf6 (8...e4 9.Nfd2+=) 9.b5 (9.0–0 0–0+=) 9...Nab8 10.0–0 c6 (10...0–0 11.Nc3+=) 11.a4 (11.Nc3 0–0+=) 11...a6 (11...0–0 12.Nc3+=) 12.Nc3 0–0 13.Bd3 Bg4 (13...ed4 14.ed4 Bg4 15.Re1+=) 14.h3 (14.Ne4 ab5 15.ab5 Ra1 16.Ba1 ed4 17.Nf6 Qf6+=) 14...Bh5 (14...ed4 15.ed4 Bh5 16.Re1+=) 15.g4 (15.Ne4 ab5 16.ab5 Ra1 17.Ba1 ed4 18.Nf6 Qf6=) 15...Bg6= 16.Qc2 (16.Ne4 ab5 17.ab5 Ra1 18.Ba1 ed4 19.Bd4 Bd4 20.ed4 cb5 21.cb5 d5=) 16...Nb6 (16...ed4 17.ed4 Nb6 18.Bg6 fg6 19.ba6 Ra6 20.Qb3=) 17.Bg6 (17.Ne4 ed4 18.Bd4 Bd4 19.Nd4 Nc4 20.Bc4 d5=) 17...fg6= 18.Ne4 Bh4 (18...ed4 19.Bd4 Be7 20.Bb6 Qb6 21.Nd4+=) 19.Kg2 (19.Nh4 Qh4 20.Nd6 Qh3+/–) 19...d5 20.cd5 cd5 21.Nc5 e4 22.Ne5 Qf6 (22...Qc8 23.Qb3 Bf6 24.a5+–) 23.Qe2 (23.Qb3 Kh8+/– (23...Bf2? 24.Ne4 Qe6 25.Ba3+–)) 23...Qe7 (23...ab5 24.Qb5 Na6 A) 25.Nb7 Nc7 (worse is 25...Bf2 26.Qe2+–) 26.Qc5 Na4 27.Qc7 Nb2 28.Ra8 Ra8+/–; B) 25.a5+–) 24.f4 (better is 24.Ba3!? Qe8 25.a5+–) 24...ef3+= 25.Rf3 Rf3 26.Qf3 (worse is 26.Kf3 N8d7 27.Ncd7 Nd7+=) 26...Qf6? (26...Bf6 27.a5 Be5 28.ab6+–) 27.Nb7 (27.a5 Qf3 28.Kf3 N6d7 29.Ncd7 Nd7 30.Nd7 Rd8 31.ba6 ba6+–) 27...Qf3 (27...ab5!? 28.a5 Qf3 29.Kf3 Nc4 30.Nc4 bc4+/–) 28.Kf3+– N8d7 29.Nd7 Nd7 30.Ke2 ab5 (30...Nb6 31.Bc3+–) 31.ab5 Rc8 32.Kd3 Be7 (32...Rb8 33.Ra7 Nf6 34.Ba3+–) 33.Rc1 Rb8?? (33...Rc1 34.Bc1 Kf7+–) 34.Rc7 Nc5 (34...Nf6 35.Re7 Ne4+–) 35.dc5 (35.dc5 Kf8 36.Bg7 Kg7 37.Re7 Kf6 38.Rh7+–) 1–0. Garcia Piedra,Juan – Garcia Canseco,Pilar, Asturias–ch Primera B, 1993.

7.Be2 e4 8.Nd4 Bg6 9.0–0 c5 10.Qa4 =.

7.Be2 Be6 8.d4 ed4 9.Nd4 0–0 10.Bf3 +=.

5.Nf3 Bb1

6.Qb1 c6 7.Be2 Be7 (7...Nbd7 8.0–0 e4 9.Nd4 d5 10.c5 Qc7 11.d3 b6+=) 8.0–0 0–0 9.e4 a5 10.b5 cb5 11.cb5 Re8 +=.

6.Qb1 Nbd7 7.Be2 e4 (7...Be7 8.0–0 0–0 9.d4 e4 10.Ng5 d5 11.cd5 Bb4+=; 7...c6 8.0–0 e4 9.Nd4 d5 10.cd5 cd5 11.a3 a5+=; 7...a5 8.b5 Qe7 9.0–0 a4 10.Qc2 d5 11.d4 a3+=) 8.Ng5 Qe7 9.f3 d5 10.cd5 ef3 11.Bf3 Rd8 +=.

6.Qb1 Be7 A) 7.Be2 Qd7 (7...0–0 8.0–0 a5 9.b5 a4 10.e4 Nbd7 11.d4 ed4+=) 8.0–0 0–0 9.d4 e4 10.Nd2 d5 11.a3 a5+=; B) 7.Bd3 Nc6 (7...Nbd7 8.0–0 a5 9.ba5 Nc5 10.Bf5 Ra5 11.d4 ed4+/–) 8.b5 Nb8 9.0–0 Nbd7 10.Bf5 g6 11.Bc2 Nb6+/–.

6.Rb1 Be7 7.Be2 Nbd7 8.d3 Nf8 9.a3 Ng6 10.0–0 Nd7 11.h3 a6 12.e4 Nh4 13.Nh4 Bh4 14.Bg4 g6 15.f4 h5 16.Be2 (16.Bd7!? Qd7 17.fe5 de5 18.Be5+–) 16...Bf6+= 17.fe5 Be5 (17...de5 18.Qe1+=) 18.Be5 (18.d4 Bg7+/–) 18...Ne5 (18...de5!? 19.d4 Qg5=) 19.d4+/– Nd7 20.Bd3 Qe7 21.Qf3 0–0–0 22.b5 a5 23.a4 (23.Qf7 Qg5 24.Qf4 Qe7+–) 23...b6 (better is 23...f6+=) 24.c5?? (better is 24.Qf7 Qg5 25.Rf3+–) 24...dc5–/+ 25.dc5?? (25.e5 cd4 26.Rbe1 Kb8 (worse is 26...Ne5 27.Qa8 Kd7 28.Qd5 Kc8 29.Qe5 Qe5 30.Re5+/–) 27.Qf7 Qa3 28.Qg6 Nc5=) 25...Nc5 26.Be2 Qe4 27.Qf7? Qe3 28.Kh1? Qe2 29.Rbe1 Qc2 30.Qg6 Qg6 0–1. Fournier,Frederic – bensilver2, ICC, 2005.

6.Qb1 Nc6

7.a3 Qd7 8.Be2 Qg4 9.0–0 Be7 10.b5 Nd8 11.Nd4 Qd7 12.Nf5 b6? (better is 12...Ne6+/–) 13.Bf3+– Rb8 14.Ng7 Kf8 15.Nf5 Nb7 16.Bb7 Rb7 17.f4 e4 18.Ng3 Rg8 19.Ne4 Ne4 20.Qe4 Qg4 (20...d5 21.Qd5 Qd5 22.cd5 a6 23.ba6 Ra7+–) 21.Qb7 Bd8 22.f5 Qe2 23.Qa8 Qd2 (23...Ke7 24.f6 Kd7+–) 24.Qd8 1–0. mluka (2390) – islanderfan (1945), net–chess.com, 2011.

7.b5 Ne7 8.Be2 a6 9.ba6 ba6 10.0–0 Qd7 11.Qc2 Nc6 +/–.

6.Rb1 Nbd7

7.d3 Be7 (7...a5 8.b5 Be7 9.Be2 0–0 10.0–0 Re8 11.Qc2 a4+=; 7...Qe7 8.Be2 d5 9.0–0 c6 10.cd5 Nd5 11.b5 cb5+/–) 8.Be2 0–0 9.0–0 c6 10.a3 a5 11.b5 cb5 +=.

7.Be2 Be7 (7...e4 8.Nd4 a5 9.ba5 Ra5 10.Bc3 Ra7 11.Qc2 c6+=; 7...a5 8.b5 e4 9.Nd4 Nb6 10.Qc2 d5 11.c5 Nc8+/–) 8.0–0 (8.d3 0–0 9.0–0 c6 10.Qd2 Qc7 11.Rfc1 d5+=) 8...h6 (8...0–0 9.d3 c6 10.Qd2 Qc7 11.Rfc1 Rfe8+=) 9.d4 (9.Qc2 c6 10.e4 a5 11.a3 0–0+/–) 9...e4 10.Nd2 d5 11.cd5 (11.Qb3 c6+=) 11...Bb4= 12.Bc4 (12.Bc1 Bd2 13.Bd2 Nb6=) 12...Bd2 13.Qd2 Nb6 14.Bb5 Kf8 15.Qc2 Nbd5 16.Qb3 c6 17.Be2 (better is 17.Bc4 b6 18.Rfc1=) 17...Qd7 (better is 17...Qb6 18.Ba3 Kg8+=) 18.Ba3+/– Kg8 19.Qb7 Kh7 20.Qd7 Nd7 21.Rfc1 Rhc8 (better is 21...Rab8!? 22.Ba6 Rb1 23.Rb1 Rb8+/–) 22.Ba6 Re8 (22...Rg8 23.Bb7 (worse is 23.Rc6 Nb8 24.Rd6 Na6 25.Rd5 Rab8+/–) 23...Rab8 24.Bd6+– (24.Bc6?! N7f6+–; 24.Rc6?! N7b6 25.Ba6 Na4+–)) 23.Rc6 (better is 23.Bb7 Rad8 24.Bc6+–) 23...Nf8? (better is 23...Nb8!? 24.Rc5 Na6 25.Rd5 Rab8+/–) 24.Rb3 (24.Bc4 Nf6+–) 24...f5 (24...Nb6 25.Bd6+–) 25.g3 (25.Rc5 Ne7+–) 25...Red8 (25...Nb6 26.Rb5+–) 26.Be2 (better is 26.Bb7!? Rab8 27.Bd6 Rd6 28.Rd6 Nb6+–) 26...Rac8 (26...Nd7 27.h4+/–) 27.Bb5 (27.Rc8 Rc8 28.Ba6 Rd8+–) 27...Nc7 (better is 27...Nb6+–) 28.Be2 Nd5 29.Rc8 Rc8 30.Bc5 (30.Ba6!? Rd8+–) 30...Nd7 31.Ba7 Nc3 (31...Rc1!? 32.Bf1 Nc3+–) 32.Bb5 Nf6 (32...Nb5 33.Rb5 Rc4 34.a3+–) 33.a4 Nb5 34.ab5 Rc1 35.Kg2 Rc2 (35...Rc7 36.b6 Rb7 37.Rb5+–) 36.h3 (36.b6 Nd7 37.b7 Ra2+–) 36...g5 (36...Rc7 37.b6 Rb7+–) 37.b6 f4 (37...Nd7 38.b7+–) 38.gf4 gf4 39.ef4 Nh5 (39...Kg8+–) 40.b7 Nf4 41.Kg3 Ne2 42.Kh4 Nf4 43.b8Q Rf2 44.Rb7 Kg6 45.Qg8 Kf5 46.Qf7 1–0. Koerner – Golczyk, VM, 1973.

5.Nf3 Nc6

6.a3 a6 7.Be2 g6 8.d4 ed4 9.ed4 Bg7 (9...d5 10.Nc3=) 10.d5 Na7 (10...Ne7 11.0–0=) 11.Nbd2 (11.Nd4!? 0–0 12.Nf5 gf5 13.0–0+/–) 11...0–0= 12.0–0 Re8 13.Nd4 Qd7 (13...Bd7 14.Re1=) 14.N2b3 (14.h3 Ne4+/–) 14...Nc8+= 15.Bd3 (15.Nf5 Qf5 16.Bd3 Qh5+=) 15...Bd3= 16.Qd3 Nb6 17.Rae1 Re1 18.Re1 Re8 19.Re8 Qe8 20.Nf3 Na4 21.Bd4 White prepares the advance c5 21...Ng4 (21...Qe4 22.Qd1=) 22.Bg7 (22.h3 Bd4 23.Qd4 Ne5=) 22...Kg7= 23.Qd4 Ne5 (23...Nf6 24.Nbd2=) 24.Na5+= Nb6 (better is 24...b6!? 25.Nc6 f6 26.Nfe5 fe5+=) 25.c5+/– Nbd7 (25...dc5!? 26.Qe5 Qe5 27.Ne5 cb4 28.ab4 Nd5 29.Nb7 Nb4+–) 26.Nb7+– dc5 27.bc5 (27.Nc5 Nc5 28.bc5 f6+–) 27...f6 28.Ne5 Qe5? (better is 28...Ne5 29.h3 g5+–) 29.Qe5+– Ne5 30.Kf1 (better is 30.c6+–) 30...Kf7 31.Ke2 Ke7 (31...g5 32.Nd8 Ke7 33.Ne6+–) 32.f4+– Nc4 33.a4 Kd7 34.c6 Kc8? (better is 34...Ke7 35.a5 Nd6+–) 35.a5 g5 (35...Kb8 36.Kd3 Nb2 37.Kc3 Nd1 38.Kd4+–) 36.Kf3 (36.fg5 fg5 37.Kd3 Ne5 38.Kd4 Nf7+–) 36...h5 (36...Nd2 37.Ke3 Nf1 38.Ke4 Nd2 39.Kd3+–) 37.Ke4 (better is 37.fg5 fg5 38.Ke4 Nd2 39.Kd3 Nb3+–) 37...g4? (37...gf4 38.Kf4 h4+–) 38.Kd3 Nb2 (38...Na3 39.Nc5+–) 39.Kd4 Na4 (39...Nd1 40.Nc5 f5 41.Na6+–) 40.Nc5 Nc5 (40...Nb2+–) 41.Kc5 Kd8 42.d6 h4 43.f5 g3 44.h3 Kc8 45.Kd5 Kd8 46.Ke6 cd6 47.Kd6 Kc8 48.c7 Kb7 49.Kd7 Ka7 50.Kd8 Kb7 51.c8Q Ka7 52.Qc5 Ka8 53.Qc6 Ka7 54.Qf6 Kb7 55.Qe7 Kc6 56.Qc7 Kb5 57.f6 Ka4 58.f7 Kb5 59.f8Q Ka4 60.Qff4 Kb5 61.Qfc4 1–0. Owen,Michael (1680) – Krianga,Georgii, Chateauroux FRA, 2014.

6.Qb3 Be7 7.d4 (7.b5 Na5 8.Qa3 Nc4 9.Bc4 d5=) 7...ed4 (7...a5 8.b5 (worse is 8.de5 de5 9.ba5 Nb4–/+) 8...Nb4 9.Na3+=) 8.Nd4 Nd4 9.Bd4 0–0 10.Nd2 Nd7 11.Be2 Bf6 12.0–0 Re8 13.Bf3 White threatens to win material: Bf3xb7 13...Ne5 (better is 13...c6= and Black has air to breath) 14.Bb7+/– Rb8 15.Be4 Be4 16.Ne4 c5 17.Nf6 gf6 18.Be5 fe5 (better is 18...Rb4!? is a viable option 19.Qc2 fe5=) 19.b5 Re6 20.Rad1 Qh4 (20...Rg6 21.Rd2+–) 21.g3 Qh5 (21...Qh3 22.Qc2+–) 22.f3 (22.Rd2 Rh6 23.f3 Rb7+–) 22...Kh8 (22...Qg5 23.Rd2+–) 23.Rd2 (23.Qa4 Rh6 24.Rd2 Rb7+–) 23...f5 (23...Qg5 24.a4+–) 24.Rg2 (24.Qa3 Qf7+–) 24...Rg8 25.a4 (25.Qb2 Qg5 26.Re2 f4 27.ef4 Qf4+–) 25...Qg5 (25...Qf7 26.Re1+–) 26.a5 White prepares b6 26...f4 (better is 26...Rb8+–) 27.ef4 ef4 28.Qb2 Re5 29.b6 ab6 30.ab6 fg3 (30...Rb8 31.Ra1 Qf6 32.Rf2+–) 31.Rg3 (better is 31.f4 and White has it in the bag 31...gh2 32.Kh1 Qg2 33.Qg2+–) 31...Qe3 32.Rf2 Qe1? (32...Qf4 33.Rg8 Kg8+–) 33.Kg2 Qb4 (33...h5+– no good, but what else?) 34.Qb4 cb4 35.Rg8 Kg8 36.Rb2 (better is 36.b7 ends the debate 36...Re8 37.Ra2+–) 36...Re8 37.Rb4 Rb8 38.b7 Kf7 39.Kg3 Ke6 40.Kf4 Kd7 41.Kg5 Kc6 42.Rb5 d5 43.Rd5 Rb7 44.h4 Rb4 45.Rd4 Kc5 46.Re4 Rb3 47.f4 Kd6 48.f5 Rg3 49.Kf4 Rg1 50.f6 Rf1 51.Kg5 Rg1 52.Kf5 Rf1 53.Rf4 Re1 54.f7 1–0. Doncea,Vladimir (2095) – Nuta,Dan, ROM–ch U20 Sovata, 2002.

6.d4 a5 7.ba5 ed4 8.Nd4 Nd4 9.Bd4 c5 10.Bc3 +=.

6.a3 Be7

7.b5 Nb8 8.Be2 a6 (8...0–0 9.0–0 a6 10.Nc3 ab5 11.cb5 Nbd7 12.d4 e4=) 9.0–0 ab5 10.cb5 0–0 11.d3 c5 12.Nc3 Qb6 =.

7.d3 A) 7...Qd7 8.Be2 (8.Nc3 0–0 9.Be2 a6 10.0–0 Rfe8 11.Nd5 Be6 12.Ne7 Re7=) 8...a6 (8...0–0 9.0–0 a6 10.Nc3 Rfe8 11.Nd5 Rad8 12.d4 e4=) 9.0–0 0–0 10.Nc3 Rfe8 11.Nd5 Be6 12.Ne7 Re7=; B) 7...0–0 8.Be2 e4 (8...a6 9.0–0 Qd7 10.Nc3 Rfe8 11.Nd5 Be6 12.Ne7 Qe7=; 8...Re8 9.0–0 Qd7 10.Nc3 a6 11.Nd5 Rad8 12.d4 e4=) 9.de4 Ne4 10.0–0 Bf6 11.Nd4 Nd4 12.Bd4 Re8=.

7.d4 e4 8.d5 ef3 9.dc6 bc6 10.Qf3 =.

7.d4 e4 8.d5 ef3 9.dc6 fg2 10.Bg2 b6 11.Nc3 a5 12.0–0 ab4 +=.

7.Be2 0–0

8.0–0 a6 9.d3 h6 10.Nc3 e4 11.de4 Be4 12.Ne4 Ne4 13.Bd3 f5 14.Be4 fe4 15.Qd5 Kh8 16.Nd4 Bf6 (better is 16...Nd4!? 17.Bd4 c6 18.Qe4 Bf6+/–) 17.Ne6+– Qe7 18.Nf8 Rf8 19.Bf6 Qf6 (better is 19...Rf6 20.Rad1 Kh7+–) 20.Qe4 Ne5 (20...Qe5 21.Qd3+–) 21.Qb7 Nc4 22.Rad1 (22.Qc7?! Nd2+–) 22...Na3 (22...Qb2 23.Qc7 Qe2 24.Rde1+–) 23.Qa6 Nc2 (23...Qb2+–) 24.Qa4 Qc3 (24...Qg6 25.b5+–) 25.Rc1 Qb4 26.Qc2 c5 27.Rb1 Qa5 28.Rb7 Qa6 (28...Qa8 29.Qb2 Rg8 30.Rd1+–) 29.Rfb1 Rf6 (29...Rg8+–) 30.Rb8 1–0. b4_player – juanorte, casual, 2013.

8.0–0 h6 9.Nc3 Re8 10.d3 Qd7 11.e4 Bg4 12.Nh4 Nd4 13.Nd5?? (better is 13.Bg4 Qg4 14.Qg4 Ng4 15.Nf3 Nf3 16.gf3=) 13...Ne2–+ 14.Kh1 Ng3! (14...Ng3 15.fg3 Bd1 16.Ne7 Qe7 17.Rad1 Qe6–+) 0–1. Fournier,Frederic – microcommega (1730), Active, 2007.

8.b5 Nb8 =.

8.d4 ed4 9.Nd4 (9.b5 Ne5 10.Bd4 Nfd7 11.0–0 Be6 12.Nbd2 Bf6=) 9...Nd4 10.Bd4 (10.Qd4 c5 11.Qf4 Qd7 12.0–0 a5=) 10...c5 11.Bb2 (11.Bc3 d5 12.0–0 dc4=) 11...d5 12.cd5 (12.bc5 Bc5 13.cd5 Nd5=) 12...cb4=+ 13.0–0 ba3 14.Bf6 Bf6 15.Ra3 Be4 (15...Qd6 16.Qb3=+) 16.Bf3= Bf3 17.Qf3 a5 18.Rd1 b5 19.e4 b4 20.Ra2 Qd7 (20...a4 21.Nd2=+) 21.Nd2 Rfc8 (21...a4 22.Nc4 Qc7 23.Rc2=+) 22.Qf4 a4 (22...a4 23.e5 Be7=). Chouinard – Nelson, Major op A, 1986.

8.d4 e4 9.Nfd2 d5 10.Nc3 Nb8 (10...dc4 11.0–0=) 11.0–0 (11.cd5!? a5 12.b5+/–) 11...c6= 12.Rc1 Nbd7 (12...a5 13.b5=) 13.cd5+= cd5 14.f3 Rc8 (14...ef3 15.Bf3 Nb6 16.e4 de4 17.Nce4+=) 15.fe4 Be4 16.Nde4 (16.Qa4 a6 17.Nce4 Ne4 18.Rc8 Qc8 19.Ne4+=) 16...Ne4 (16...de4!? 17.Bg4 Re8+=) 17.Nd5+/– Rc1 18.Ne7 (18.Qc1 Bd6+/–) 18...Qe7 19.Qc1 Nb6 20.Rf5 Rc8 21.Qe1 Rc2 (better is 21...f6!?+/–) 22.Re5+– Qd7?? (better is 22...Qf8 23.Re4 f5+–) 23.Bb5 (23.Re4?! Rb2 24.Qf1 Qd8+/–) 23...Rg2 (23...Qc8 24.Re4 Nd7 25.Qb1+–) 24.Kg2 Qg4 25.Qg3 Qe2 (25...Qg3 26.hg3 Nd6+–) 26.Be2 (26.Be2 Nf6 27.Re7+–) 1–0. market – deadly_1, gamecolony.com, 2007.

8.d4 e4 9.Nfd2 d5 10.g4 Be6 11.cd5 Nd5 12.Ne4 f5 +=.

7.Be2 e4

8.Nh4 Be6 9.d4 ed3 10.Qd3 0–0 11.Nf3 d5 12.Nbd2 dc4 13.Qd8 Rad8 14.Bc4 Bd5.

8.Nh4 Be6 9.d4 d5 10.b5 Nb8 11.g3 dc4 12.Qc2 c6 –/+.

8.Nh4 Be6 9.d4 d5 10.Nd2 g5 11.b5 Na5 12.cd5 Nd5 13.Qa4 b6 14.0–0 gh4.

8.Nh4 Be6 9.f4 Ng8 (9...Nd7 10.0–0 Bf6 11.Bf6 Qf6 12.Nc3 Qh4 13.f5 0–0 14.fe6 fe6) 10.0–0–/+ Bf6 11.Bf6 Qf6 12.Nc3 Qh4 13.f5 Bd7 14.Rf4 Qh6.

8.Nd4 Nd4

9.ed4 0–0 10.Nc3 d5 11.c5 b6 12.0–0 bc5 13.bc5 Rb8 14.Rb1 Qd7.

9.ed4 c5 10.Qb3 cd4 11.Bd4 d5 12.cd5 Qd5 13.Qd5 Nd5 14.Nc3 Bf6.

9.ed4 c6 10.Nc3 0–0 11.0–0 Qb6 12.Qc2 h6 13.Nd1 a5 14.Ne3 Be6.

9.ed4 d5 10.g4 Bg6 11.g5 Nd7 12.cd5 Bg5 13.Nc3 0–0 14.Rg1 Bf4.

9.ed4 Qd7 10.Nc3 0–0 11.0–0 d5 12.c5 b6 13.Na4 Bg4 14.Bg4 Ng4.

9.ed4 h6 10.Nc3 0–0 11.Qb3 c6 12.0–0 d5 13.cd5 Nd5 14.Nd5 Qd5.

9.Bd4 0–0 10.Nc3 h6 11.0–0 c5 12.Bf6 Bf6 13.Bg4 Bg6 14.Bh5 Qd7.

9.Bd4 0–0 10.d3 c5 11.Bc3 d5 12.de4 de4 =.

9.Bd4 c5 10.Bf6 Bf6 11.Nc3 Qd7 12.Qc2 0–0 13.Rb1 Rfe8 14.Nd5 Be5.

9.Bd4 Qd7+= 10.b5 0–0 11.Nc3 a6 12.0–0 ab5 13.cb5 c5 14.bc6 bc6.

8.Nh4 Bd7

9.0–0 g5 10.b5 Nb8 11.Qc2 gh4 12.Bf6 Bf6 13.Qe4 Be6 14.d4 Nd7.

9.b5 Na5!?–/+ 10.Bc3 b6 11.g3 a6 12.Ba5 ba5 13.Nc3 0–0 14.0–0 ab5.

9.b5 Nb8 10.g3 Be6 11.g4 0–0 12.Nc3 h6 13.Nf5 Nbd7 14.h4 Bf5.

9.b5 Nb8 10.g4 d5 11.Nc3+= c6 (better is 11...0–0!?+= 12.cd5 Ng4 13.Ng2 Nf6 14.d3 ed3) 12.g5+– Ng8? (better is 12...dc4 13.gf6 (13.Bc4 cb5 14.Bb5 0–0) 13...Bf6+– 14.Ng2 cb5) 13.cd5 Bg5 14.Ne4 cd5 (14...Bh4 15.Bg7 Qe7 16.dc6 Nc6 17.d3+–) 15.Ng5 Qg5 16.Nf3 Qg6 (16...Qh6 17.Qc2 Ne7+–) 17.Rg1 Qg1 (17...Bg4 18.h3! Bf3 19.Rg6 Be2 20.Qc2+–) 18.Ng1 (18.Ng1 Nf6 19.Qb3+–) 1–0. mrkt – picerraku, internet, 2011.

9.b5 Nb8 10.g4 Ng4!? 11.Bg4 Bh4+= 12.Rg1 Bf6 13.Bf6 Qf6 14.Nc3 Qh4.

9.b5 Ne5 10.f4 Nd3 11.Bd3 ed3 12.0–0 a6 13.Nc3 ab5 14.cb5 c5.

9.f4 0–0 10.0–0 Ne8 11.b5 Na5 12.Qa4 b6 13.g3 Bh4 14.gh4 Qh4.

6.Qb3 a5

7.a3 a4 8.Qd1 Qd7 (8...h5 9.Nc3 Be7 10.b5 Na5 11.Na4 0–0 12.Be2 c6 13.Nc3 Qb6; 8...Be7 9.Nc3 e4 10.b5 Ne5 11.Ne5 de5 12.Qc2 0–0 13.f3 Bc5; 8...h6 9.Nc3 Be7 10.b5 Na5 11.Na4 0–0 12.Be2 Be6 13.Qc2 c6; 8...e4 9.b5 Ne5 10.Ne5 de5 11.Be5 Bd6 12.Bd6 Qd6 13.Nc3 0–0; 8...Qc8 9.Nc3 Be7 10.b5 Na5 11.Na4 0–0 12.Be2 b6 13.0–0 Qb7) 9.Nc3 Be7 10.Be2 e4 11.Nh4 Bg4 12.f3 ef3 13.Nf3 0–0.

7.a3 ab4 8.ab4 (8.Be2 ba3 (8...e4 9.Nd4 Nd4 10.ed4 g6 11.ab4 Ra1 12.Ba1 Bh6 13.Bc3 0–0; 8...Na5 9.Qb4 Nd7 10.0–0 Nc5 11.d4 Nd3 12.Bd3 Bd3 13.Rd1 Bc4) 9.Na3 Be7 10.Qb7 0–0 11.Nb5 Ra1 12.Ba1 Qa8 13.Qa8 Ra8) 8...Ra1 9.Ba1 Qa8 (9...Be7 10.Be2= (10.b5 Na5 11.Qa2 b6 12.Bc3 0–0 13.Ba5 Qa8) 10...0–0 11.Nc3 Qd7 12.0–0 Ra8 13.Bb2 e4) 10.Bc3 (10.Na3 Be7 11.Be2 0–0 12.0–0 b6 13.Nb5 Qb7) 10...Ne4 (better is 10...Be7= 11.Na3 0–0 12.Nb5 Qd8 13.Be2 Qd7) 11.Qa3 (better is 11.Be2!?+= and White can hope to live 11...Qa7 12.0–0 Qb6 13.b5 Be7; 11.Bd3 Bg6 12.Na3 Qd8 13.Bb2 Be7) 11...Qa3–/+ 12.Na3 Nc3 13.dc3 Black has the pair of bishops 13...Be7 14.Be2 Kd7 15.Kd2 Ra8 16.Ra1 g5 17.Nc2 Ra1 18.Na1 g4 19.Ne1 e4 20.Nac2 Ne5 21.Nd4 Bg6 22.f4 gf3! Black has managed to stay ahead 23.gf3 c5 (23...f5 Combination) 24.Ndc2 (24.fe4!? cd4 25.cd4–/+) 24...f5–+ 25.f4 (25.h3!? Bf7 26.bc5 dc5–+) 25...Ng4 26.h3 Nf2 27.Bf1 Bh5 (27...Nh1!? 28.Be2–+) 28.Na3 Bf6 (better is 28...Nh1–+) 29.Nac2? (better is 29.Bg2–/+) 29...Nd1–+ 30.Be2 (30.Nd4 cd4 31.cd4 Nf2–+) 30...Be2 31.Ke2 Nc3 32.Kd2 Na4 (32...Kc6!? makes it even easier for Black 33.b5 Kd7 34.Na3–+) 33.bc5 dc5 34.Ng2?? (34.Na3–+) 34...Nb6 35.Na3 Bb2 36.Nb5 Nc4 37.Kc2 0–1. Berlacki,Pierre – Jackson,Sheila, Guernsey op, 1986.

7.a3 e4 A) 8.Nh4 Bd7 (8...Be6 9.Nc3 ab4 10.Nd5 Nd7 11.Qc2 ba3 12.Ba3 Nce5 13.g3 g5) 9.Nc3 ab4 10.ab4 Ra1 11.Ba1 Be7 12.Qb2 Be6 13.Nd5 0–0; B) 8.Nd4 Nd4 (8...a4 9.Qc3 Nd4 10.Qd4 Qe7 11.Be2 c5 12.Qc3 Qd7 13.0–0 d5) 9.Bd4 Be7 10.ba5 c5 11.Bb2 Ra5 12.Nc3 0–0 13.Qb7 Bc8.

7.a3 Be7 A) 8.Be2 e4 (8...a4 9.Qa2 0–0 10.0–0 e4 11.Nd4 Nd4 12.ed4 d5 13.c5 c6; 8...0–0 9.Nc3 ab4 10.ab4 Ra1 11.Ba1 e4 12.Nd4 Nd4 13.ed4 d5) 9.Nh4 Be6 10.0–0 a4 11.Qc2 g5 12.b5 Na5 13.Nc3 gh4; B) 8.b5 a4 (8...Nb8 9.Nh4 Be6 10.Nc3 Nbd7 11.Be2 e4 12.g3 Bh3 13.Bf1 Bf1) 9.Qd1= Na5 10.Nc3 Be6 11.d3 0–0 12.Na4 h6 13.Be2 e4.

7.ba5 Na5 A) 8.Qd1 Be7 (8...Qd7 9.Nc3 Be7 10.Be2 0–0 11.0–0 Be6 12.d3 h6 13.Qc2 Ra6; 8...h6 9.Nc3 Be7 10.Be2 0–0 11.0–0 Qd7 12.d3 Nc6 13.e4 Bg6; 8...c6 9.Nc3 Be7 10.Be2 0–0 11.0–0 Qb6 12.Na4 Qa7 13.Rc1 h6; 8...g6 9.Nc3 Bg7 10.Be2 0–0 11.0–0 Qd7 12.d3 Qe7 13.Ng5 Nc6; 8...h5 9.Nc3 Be7 10.Be2 0–0 11.0–0 c6 12.d3 Nd7 13.h3 Re8) 9.Nc3 0–0 10.Be2 Qd7 11.0–0 h6 12.d3 Ra6 13.Qd2 Nc6; B) 8.Qa4 Nc6 (8...c6 9.Nc3 Be7 10.Nd5 Nd5 11.cd5 0–0 12.dc6 bc6 13.Be2 Qd7; 8...Nd7 9.Nc3 Be7 10.e4 Be6 11.Nd5 0–0 12.Qc2 Nc5 13.d4 ed4) 9.Qb3 Ne4 10.Qb7 Bd7 11.Qb3 Rb8 12.Qc2 Nb4 13.Qe4 f5.

7.ba5 Nd7 8.Qb7 Na5 (8...Nc5 9.Qc6 Bd7 10.Qc5 dc5 11.Ne5 Ra5 12.Nd7 Qd7 13.Be2 Ra6) 9.Qb4 Be7 10.Be2 0–0 11.0–0 c5 12.Qc3 Bf6 13.d4 ed4.

7.ba5 Ne4 A) 8.Qd1 Nc5 (8...Be7 9.Nc3 0–0 10.Qc2 Ng3 11.e4 Be4 12.Ne4 Nh1 13.Nc3 f5; 8...Qd7 9.Nc3 Nc3 10.Bc3 Be7 11.Be2 0–0 12.Qa4 Bf6 13.Rc1 Rfc8; 8...Ra5 9.Nc3 Nc5 10.d4 ed4 11.Nd4 Nd4 12.Qd4 c6 13.f3 Ne6; 8...g5 9.h3 Ra5 10.Nc3 Nc3 11.Bc3 Ra3 12.g4 Be6 13.Qb1 Ra7; 8...Na5 9.Nc3 Nc3 10.Bc3 Be7 11.Be2 0–0 12.0–0 Bf6 13.d3 e4) 9.d4 ed4 10.Nd4 Nd4 11.Bd4 Ra5 12.Nc3 Ne6 13.e4 Bg6; B) 8.Be2 Na5 (8...Nc5 9.Qd1 Be7 10.d4 Ne4 11.Nc3 0–0 12.0–0 Bf6 13.Ne4 Be4; 8...Be7 9.0–0 Nc5 10.Qd1 Ra5 11.Nc3 0–0 12.d4 e4 13.dc5 ef3; 8...g5 9.h3 Nc5 10.Qd1 Bg7 11.d3 0–0 12.e4 Be6 13.0–0 f5) 9.Qd1 Be7 10.Nc3 0–0 11.0–0 Nc3 12.Bc3 Bf6 13.d3 e4; C) 8.Bc3 Na5 (8...Nc5 9.Qb5 Bd7 10.Qb2 e4 11.Ng1 Be7 12.Nh3 0–0 13.Nf4 Ne5) 9.Ba5 Ra5 10.Qb7 Be7 11.Nc3 Nc3 12.dc3 0–0 13.e4 Bc8; D) 8.Qb7 Nc5 (8...Na5 9.Qb4 Nc6 10.Qb5 Qd7 11.d3 Nc5 12.d4 ed4 13.Nd4 Be4; 8...Bd7 9.Ba3 Rb8 10.Qa6 Nc5 11.Bc5 dc5 12.Na3 Nb4 13.Qa7 Ra8) 9.Qc6 Bd7 10.Qc5 dc5 11.Ne5 Ra5 12.Nd7 Qd7 13.Be2 Ra6.

7.ba5 Be7 A) 8.a6 ba6 9.Qa4 Qd7 10.Nc3 Rb8 11.Nh4 Be6 12.Ba3 e4 13.f4 g6; B) 8.Be2 Na5 (8...0–0 9.Nc3 Na5 10.Qd1 Ra6 11.0–0 Nc6 12.c5 Ra5 13.cd6 Bd6; 8...Ne4 9.0–0 Na5 10.Qd1 0–0 11.Nc3 Nc3 12.Bc3 Bf6 13.d3 e4) 9.Qd1 Qd7 10.Nc3 h6 11.0–0 0–0 12.d3 Ra6 13.Qd2 Nc6; C) 8.Nc3 Na5 (8...0–0 9.Be2 Na5 10.Qd1 Nc6 11.0–0 Ra6 12.d4 e4 13.Nh4 Bd7) 9.Qd1 0–0 10.Be2 Be6 11.d3 h6 12.0–0 Qd7 13.Qc2 Ra6.

7.b5 Nb4 8.d3 e4 (8...Nd7 9.e4 Nc5 10.Qd1 Ne4 11.de4 Be4 12.Na3 Qf6 13.Be2 Be7) 9.Nd4 Bg6 10.de4 Ne4 11.Nd2 Nc5 12.Qc3 Qf6 13.f4 Na4.

6.b5 Nb4

7.d3 e4

8.Nd4 ed3!? A) 9.Qa4 Nc2 10.Nc2 dc2 11.Na3 Nd7 12.Bd4 a6 13.Qb3 ab5=+; B) 9.Qd2 d5=+ (9...a5 10.Nc3 Qc8 11.0–0–0 Ne4 12.Ne4 Be4 13.Kb1 c5=) 10.Nf5 Ne4 11.Ng7 Kd7 12.Bd3 Nd2 13.Bf5 Kd6–/+; C) 9.Qb3 Nc2 10.Nc2 dc2 11.Nd2 Ne4 12.Ne4 Be4 13.f3 Bg6=+.

8.Nd4 Bg6 9.de4+= Be4 10.Nd2 (10.a3 c5 11.ab4 cd4 12.Bd4+– d5 13.c5 Be7+–) 10...Bd3? (10...Nd3!? 11.Bd3 Bd3= 12.Qb3 Bg6 13.0–0 Be7=) 11.Be2 (11.a3!? c5 12.bc6 Bf1 13.cb7 Bg2 14.ba8Q Ba8 15.Qa4 Nc6 16.Nc6 Qd7 17.Bf6 Bc6+–) 11...c5 12.bc6 Be2 13.Ne2 Nd3=+ 14.Kf1 Nb2 15.Qb3 Qb6 16.cb7 Rb8 17.Qb6 ab6 18.Rb1 Na4 19.Rb4 Nc5 20.Rb6 Rb7 21.Rb7 Nb7 22.Nd4 Be7 23.Ke2 0–0 24.Rb1 Nc5=+ 25.Nf5 Re8 26.Rb6 Nfd7 27.Ne7+= Re7 28.Rd6 Kf8 29.Nb3 Ne4 30.Rd3 Ke8 31.f3+= Nec5 32.Nc5 Nc5= 33.Rd5 Ne6 34.Kd3 Ra7–/+ 35.h4 Ra2 36.g4 h6 37.f4 g6 38.f5 Nc7 39.Rd6 Ra6 40.Ra6 Na6 41.Kd4 gf5 42.gf5 Ke7 43.Ke5 f6–/+ 44.Kd5 h5 45.e4 Nb4–+ 46.Kd4 Nc6 47.Kd5 Kd7 48.c5 Ne5 (48...Ne5 49.c6 Nc6–+) 0–1. Trkn – yakky, itsyourturn.com, 2000.

8.Nd4 Bg6 9.de4+= Ne4 10.a3!? Qf6 11.f3 Nc2 12.Nc2 Qh4 13.g3 Ng3 14.hg3 Qh1 15.Nc3 +=.

8.Nd4 Bg6 9.de4+= Ne4 10.a3 Qf6 11.f3 Qh4 12.g3 Ng3 13.hg3 Nd3 14.Bd3 Qh1 15.Bf1 =+.

8.Nd4 Bg6 9.de4+= Ne4 10.Be2 Nc5= 11.0–0 Nbd3 12.Bc3 Be7 13.f4+/– Be4 14.Nd2 f5 15.Ne4 fe4 16.Nf5 0–0= 17.Ng7 Bf6+= 18.Bf6 Qf6 19.Nh5 Qc3 20.Bd3+/– Nd3 21.Qg4 Kh8 22.f5 Rae8 23.f6 Rf7 24.Ng7 Ref8 25.Ne6+– Rg8 26.Qe4 Rf6 27.Rf6 Qf6 28.Rf1 Ne1?? 29.g3 Qc3 30.Qd4 Qd4 31.ed4 Nc2 32.Rf7 Re8 33.d5 c6 34.bc6 bc6 35.dc6 Nb4 36.c7 a5 37.Rf8 Rf8 38.Nf8 Na2 39.c8Q a4 (39...Kg8 40.Qe8 h5 41.Ne6 Kh7 42.Qf7 Kh6 43.Qg7#) 1–0. Massana,Jorge (2255) – Sidi,T, Manila ol (Men), 1992.

8.de4 Be4 9.Na3 (9.Nd4 c5 10.bc6 Nc6+=) 9...a6 (9...d5 10.Be2=) 10.Be2 (10.Qa4!? d5 11.Rd1=) 10...ab5–/+ 11.cb5 (better is 11.0–0!? bc4 12.Nc4–/+) 11...Ra3!–+ 12.Ba3 Nc2 Theme: Double Attack 13.Kf1 Na3 14.Nd4 d5 15.f3 Bg6 16.Qb3 Bd6 17.Kf2 0–0 18.h4 (18.Bd3 Bd3 19.Qd3 Nc4–+) 18...Re8 19.Bd3 (19.h5 Bh5 20.g4 Bg6–+) 19...Bd3 20.Qd3 Nc4 21.Rae1 Nh5 22.Rh3 Bc5 23.g4 (23.g3 Qf6 24.Kf1 Ra8–+) 23...Re3! 24.Qd1 (24.Qe3 Ne3) 24...Qe7 25.Rhh1 (25.f4 Bd4 26.Ree3 Be3 27.Kf1 Nf4 28.Rh2–+) 25...Re1 26.Re1 Qh4 27.Kg1 Bd4 0–1. arturo – Nekthen, ChessWorld.net, 2008.

8.de4 Be4 9.Nd4 c5 10.bc6 Nc6 11.Nc3 Bg6 12.Bd3 Nd4 13.ed4 Qe7 14.Be2 Rc8 15.0–0 Qd7 16.c5 dc5?? (better is 16...Kd8+=) 17.Bb5+– Rc6 18.d5 1–0. Rooijen Van,Peter (1675) – Torfs,Gert, 58. LSS No Engine Cup Preliminary, 2012.

8.de4 Be4 9.Nd4 c5 10.bc6 Nc6 11.Nd2 Nd4 12.Bd4 Bc6 13.f3 d5 +=.

8.de4 Ne4 A) 9.Nd4 Qf6 A1) 10.Nf5?? Qb2 11.Be2 Nc2 12.Kf1 Na1–+; A2) 10.f3=; B) 9.a3 Nc2 10.Qc2+/–.

6.b5 Ne7

7.d4 e4 8.Nfd2 d5 9.Nc3 c6 (9...Qd7 10.Be2=) 10.Ba3 Bg4 11.Qb3 Be6 12.bc6 bc6 13.cd5 cd5 14.Bb5 Bd7 (14...Nd7!? 15.Be7 Be7 16.Nd5 Rb8+/–) 15.Be7+– Be7 16.Nd5 Bb5 (16...Nd5 17.Qd5 Rb8 18.Bd7 Qd7 19.Qe4 f5+–) 17.Qb5 (17.Nf6 Bf6 18.Qb5 Qd7+–) 17...Nd7 18.Ne4 0–0 19.0–0 Rb8 20.Qa6 Nb6 21.Nb6 Qb6 (21...ab6 22.Qb5+–) 22.Qb6 Rb6 23.Rab1 Rfb8 (23...Rc8 24.Rb6 ab6 25.Rb1+–) 24.Rb6 Rb6 25.g4 (25.Rc1 Bf8+–) 25...h6 (25...Rb2 26.Ra1+–) 26.Rc1 Rb2 (26...a5+–) 27.Rc7 Bh4 (27...Ba3 28.Ra7 Ra2 29.Nd6+–) 28.Ra7 Kh7 (28...g6 29.Kg2+–) 29.a4 Kg6 (29...Ra2 30.a5+–) 30.Kg2 f5 (30...Ra2 31.a5+–) 31.Ra6 (31.gf5 Kf5 32.Rg7 Ke4 33.Rg4 Kf5 34.Rh4 Ra2+–) 31...Bf6 32.gf5 Kf5 33.Nd6 Kg6 34.a5 Bh4 (34...Ra2+–) 35.Nc4 (35.Nc4 Kf5 36.Nb2+–) 1–0. guest7606 – guest7485, ICC, 2005.

7.Be2 Ng6 8.0–0 Be7 9.h3 0–0 10.a4 a6 11.Nc3 Qd7 12.Kh2 ab5 13.ab5 d5 Black plans e4 14.d3 Ra1 15.Qa1 dc4 16.dc4 e4 17.Nd4 Bd6 18.Kg1 Nh4 (18...Bh3!? 19.Rd1 Bg4–/+) 19.Nf5 Qf5 20.Rd1 Qg5 21.Bf1 Re8 22.Ne2?? (22.Kh1 Ng6 23.Nd5 Nd5 24.Rd5 Qh4+/–) 22...Nh5 (better is 22...Nf3 23.Kh1 Ng4–+) 23.Rd5 Nf3 24.Kh1 Qh4 25.gf3 (25.g3!? Bg3 26.Rh5 (26.fg3?! Ng3 27.Kg2 Ne2 28.Be2 Ne1 29.Kf1 Nd3 30.Bd3 ed3 31.Rd3 Qc4=; 26.Ng3? Ng3 27.Kg2 Nf1 28.Kf1 Qh3 29.Ke2 Qg4–+) 26...Qh5 27.Ng3+/– (27.fg3?! Qg5=)) 25...Qf2= 26.f4 Qf3 27.Bg2 (better is 27.Kh2!? Qe3 28.Rh5 Bf4 29.Kh1 Qf3 30.Bg2 Qe2 31.Rf5+=) 27...Qe2–/+ 28.Rg5 Be7 29.Rg7? (better is 29.Rh5 Qh5 30.Bg7–+) 29...Ng7 30.Bg7 Qe3 31.Be5 Bd6 32.Bh8 (32.Bd6 cd6 33.f5 Rc8–+) 32...Qg3 (32...Qg3 33.Be5 e3–+ (worse is 33...Re5 34.fe5 e3 35.Qd1 Qe5 36.Qg1–+)) 0–1. Hal1958 – Yannick, playchess.de, 2004.

5.Nf3 Nbd7

6.Nc3 c5 7.b5 e4 8.Nh4 Bg4=+ 9.Be2 Ne5–/+ 10.0–0 Nc4! 11.Bg4 Nb2–+ 12.Qe2 d5 13.Bh3 Nd3 14.f3 c4 15.fe4 de4 16.g3 Be7 17.Qg2 0–0 18.Ne4–/+ Ne4 19.Qe4 Bh4 20.gh4 Qc7 21.h5 Rad8 22.Rf5 Rfe8 23.Qg2 Ne5 24.Raf1 c3 25.h6 g6–/+ 26.d4 c2–+ 27.Rc1 Qc3 28.Qg5 Nc4 29.Rf3? Rd4! 30.ed4 Qf3 31.Rf1 Qh3 32.Qf6 Qf1! 33.Qf1 Nd2 34.Qc1 Re1!! 35.Qe1 Nf3 (35...Nf3 36.Kf2 Ne1 37.Ke1 c1Q 38.Ke2 Qc4 39.Ke3 Qa2–+) 0–1. Toll,A – Hobbs,JEC, corr England, 1985.

6.d3 e4 7.de4 Be4 8.Nc3 Bf3 9.Qf3 Ne5 10.Qd1 Qe7 11.Be2 h5 (11...c6 12.Qb3+=) 12.h3 (12.Nd5 Qd8+/–) 12...g5 13.Nd5 Nd5 14.Qd5 0–0–0 15.0–0–0 g4? (better is 15...f6+=) 16.hg4+– Bg7 17.gh5 Qg5? (17...f5 18.Qd4+–) 18.g4! Rh6?? 19.f4 Qe7 20.fe5 de5 21.Qd8 Qd8 22.Rd8 Kd8 23.Rd1 Kc8 24.Rd5 Ra6 25.a3 Rf6 26.Be5 Rf2 27.Kd2 Bh6 28.Bg3 Rg2 29.Bh4 c6 30.Rd8 Kc7 31.Rh8 Bg7 32.Rh7 Bb2 33.Rf7 Kc8 34.a4 Ba3 35.b5 cb5 36.ab5 Rg1 37.Be7 Bb2 38.h6 Ra1 39.h7 Ra2 40.Kd3 Ra1 41.Bf6 Bf6 42.Rf6 Rh1 43.Rf8 Kd7 44.h8Q Rh8 45.Rh8 1–0. Fournier,Frederic – merlotonix, Active, 2008.

6.d3 Be7 7.Be2 e4 (7...0–0!?=) 8.de4+= Be4 9.Nbd2 Bg6 10.0–0 0–0 11.a3 Ne5 (11...Ne4!?+=) 12.Ne5+/– de5 13.Nf3 (13.Be5!? Re8 14.c5+/–) 13...e4+= 14.Ne5 Bd6 (14...Bf5!?+=) 15.Ng6+/– fg6 16.g3 (16.c5 Be7 17.Be5+/–) 16...Nd7? (better is 16...Be7+=) 17.c5 Be5 (better is 17...Be7 18.Qd5 Kh8+–) 18.Qb3?? (better is 18.Qd5 Kh8 19.Be5 Ne5 20.Qe5+–) 18...Kh8+= 19.Bc4 (19.f3 Bb2 20.Qb2 ef3 21.Bf3 c6+=) 19...Bb2 20.Qb2 Qe7 21.Rad1 Ne5 22.Be2 Nf3 23.Kg2 Qg5 (better is 23...a5=) 24.Qd4?? (24.Rd7!? Qh6 25.Bf3 ef3 26.Kh1+/–) 24...Rae8 (better is 24...Nd4 25.Rd4 Qe5–+) 25.Qd7 Qh5 26.Qh3 Qe5 27.Qd7 Re7 28.Qd5 Qf6 29.Qb7+/– h5 30.Qd5 h4 31.Bf3 Qf3 32.Kg1?? h3 (32...h3 33.Qe4 Re4 34.b5 Qg2) 0–1. Fournier,Frederic (1855) – xynoff (1850), Active (5/0), 2006.

6.d4 ed4 7.Nd4= Bg6 8.Be2 Be7 9.0–0 0–0 10.Nc3 Re8 11.a3 Nf8 12.e4 Ne4=+ 13.Nd5 c6 14.Ne7 Re7 15.b5 Qb6 16.Bf3 Nc5 17.a4 a5 18.Ba3 Be4 19.Nc6 bc6 20.Qd6 Rd7 21.Qc5+/– Qc5 22.Bc5 Bf3 23.gf3 Ne6 24.Be3 c5 25.Rfd1 Rad8 26.Rd7 Rd7 27.Rb1 f5 28.b6 Rb7 29.Bd2 Nd4 30.Kg2. Schemm,Michael A – Harding,Mike, Vancouver, 1998.

6.d4 Be7 7.Be2 0–0 8.0–0 c6 9.Nc3 Qb6 10.a3 a5 11.b5 e4 12.Nh4+/– Bg6 13.Ng6 fg6 14.Qb1 d5 15.Qa2 Bd6 16.cd5 Qc7?? 17.dc6+– Rf7 18.Bc4 Bh2 19.Kh1 Ne5 20.de5 (20.de5 Be5 21.b6+–) 1–0. Bonetti,Shane – CaptinCrunch, ICC, 2002.

6.Be2 a5 7.b5 c6 8.a4 Nb6 9.c5 Nbd7 10.cd6 Bd6=+ 11.0–0 Bg4 12.bc6 bc6 13.d4 Bf3+= 14.Bf3 e4 15.Be2 Bh2 16.Kh1 Bd6 17.Qc2 c5 18.Nd2 Qe7 19.Bb5 0–0 20.Bd7 Nd7 21.Qe4 Qg5 22.Nf3 Qh5 23.Qh4 Qh4 24.Nh4 cd4 25.Bd4 Be5 ½–½. Gorzel,S – Umbreit,Silke, BL2 Mitte, 1991.

6.Be2 a6 7.d3 h6 8.Nbd2 c6 9.a3 Be7 10.Qb3 e4 11.Nd4 Qc7?? 12.Nf5+– g6 13.Ne7 ed3 14.Qd3 Ke7 15.Ne4 Ne5 16.Qc2 Rad8 17.Nf6 Kf6 18.f4 Ke7 19.Qe4 f5 20.Qc2 Nc4 21.Bc4 Rhe8 22.0–0 c5 23.bc5 Qc5 24.Qc3 b5 25.Bb3 Qc3+– 26.Bc3 Rc8 27.Rac1 h5 28.Bd4 a5 29.Bd5 b4 30.ab4 Rc1 31.Rc1 ab4 32.Rc7 Kf8 33.Bg7# 1–0. Vahl,Laurens – Levels,Koen, NED–ch U16 op, 2000.

6.Be2 c5 7.b5 (7.bc5 Nc5 8.d4 Ncd7+=) 7...Qc7 8.d3 Be7 9.0–0 0–0 10.e4 Bg4 11.h3 Bh5 12.a4 b6 13.Nc3 Rfe8 14.Nh4 Be2 15.Qe2 g6 16.Nf3 Nf8 17.Nd5 Nd5 18.ed5 f5 19.Bc1 Qd8 20.Qd2 Bf6 21.Ra2 Qe7 22.Bb2 Qg7 23.Rfa1 e4 24.Bf6 Qf6 25.de4 Re4 26.Qd3 Rae8 27.a5 Nd7 28.ab6 ab6 29.Ra8 Kf7 30.R1a7 Ra8 31.Ra8 Re7 32.Ra7 Ne5 33.Ne5 Qe5 34.Re7 Qe7 35.f4 Qe1 36.Kh2 (better is 36.Qf1 Qe3 37.Kh2=) 36...Qe4?? (better is 36...Qf2+=) 37.Qe4+– fe4 38.g4 Kf6 39.Kg2 g5 40.f5 (better is 40.Kg3!? h6 41.fg5 hg5 42.Kf2+–) 40...Ke5+/– 41.Kf2 ½–½. Fournier,Frederic (2180) – Robeson,Christian (2010), Active Senlis FRA, 2008.

6.Nc3 c6

7.Be2 Be7 8.0–0 0–0 9.a4 a6 10.Qb3 Be6 11.Ng5 d5 12.Ne6+= fe6 13.d3 d4 14.Na2 c5 15.Bf3+= cb4 16.ed4 Qc7 17.Nb4+/– Qa5 18.Nc2 Rab8 19.de5 Ne5 20.Be5 Qe5 21.Rae1 Qd6 22.d4 b6 23.Re5 Nd7 24.Re6 Qf4?? 25.Re7 Nf6 26.c5 Kh8 27.cb6 Qd6 28.Re6 Qd7 29.a5 Qf7 30.d5 h6 31.Nd4 (31.Nd4 Qb7 32.Nc6+–; 31.Nb4 Rbc8+–) 1–0. Krebbers,Wilfried – Huennekes,Frauke, Kleve op, 2001.

7.Be2 Be7 8.0–0 0–0 9.Rc1 h6 10.a4 d5 11.cd5 cd5 12.b5 Bd6 13.Re1 Be6 14.d4= e4 15.Nd2 Nh7 16.f4 ef3 17.Bf3+= Ndf6 18.e4 de4 19.Nde4 Ne4 20.Ne4 Bf4 21.Rb1 Rc8 22.g3+/– Bb8 23.Nc5 Ng5 24.Bb7 Bd5= 25.Bd5 Qd5–+ 26.Re3?? Nh3 27.Kf1 Qh1 28.Ke2 Qh2 29.Kd3 Nf2 (29...Nf2 30.Kc3 Nd1 31.Rd1 Bg3–+) 0–1. Lais,Klaus Joerg – Lorenz,Oda, Wuerzburg op, 1998.

6.Nc3 Be7

7.a3 h6 8.Be2 0–0 9.0–0 c6 10.d4 e4 11.Nd2 d5 12.c5 b6 13.a4 Nh7 14.cb6 ab6 15.b5 cb5 16.Nd5 Ndf6 17.Ne7 Qe7 18.Bb5 Rad8? 19.Rc1 Ng5? 20.Qe2 Bg4 21.Qc4 Nf3?? 22.Nf3 ef3+/– 23.gf3 Bf3= 24.Qc7 Qe6 25.Qg3 Bh5?? 26.Rc6 Qd5?? 27.Rfc1 Ne4 28.Qg2 Qf5 29.Bd3?? (29…Bf3 30.Be4 Be4 31.Qg3 Bc6 32.d5=+; better is 29.f4+–) 1–0. slavisa3 – takeiteasy, Live Game Caissa's Web, 2004.

7.Be2 0–0 8.0–0 c5 9.b5 Nb6 10.d3 Qc7 11.a4 Rfe8 12.a5+= Nbd7 13.e4 Be6 14.Nd5 Nd5 15.cd5 Bg4 16.Nd4 cd4 17.Bg4 Nf6 18.Bh3 Qc5 19.Qb3 Red8?? 20.Rac1+– Nd7 21.Rc5 Nc5 22.Qc2 b6 23.a6 Bg5 24.Ra1 Re8 25.Qe2 Rad8 26.Ba3 Nb3 27.Ra2 Nc5 28.Rc2 Bf6 29.Bc1 Re7 30.Rc4 Nb3 31.Rc6 Na5 32.Rc2 Nb3 33.Bd2 Nc5 34.Qf3 Nb3 35.Bh6! Nc5 36.Rc4 Rf8 37.Bd2 Rd8 38.Bc1 Rc7 39.Bh6! Re7 40.Bd2 Rb8 41.Bf5 Rbe8 42.Rc2 Rd8 43.Bc1 Rc7 44.Rc4 Re8 45.Qh3 g6 46.Bg4 h5 47.Qf3 Bg7 48.Bh3 Kh7 49.Bg5 f6 50.Bf5! fg5 51.Qh5 Kg8 52.Qg6 Rce7 53.Qd6 Kf8 54.Rc5 bc5 55.Qc5 Rd8 56.d6 Rf7 57.d7 Kg8 58.Be6 (58.Be6 Kh7 59.Bf7+–) 1–0. woschkat (1995) – awacs (1905), net–chess.com, 2001.

7.Be2 0–0 8.d4 ed4 9.Nd4 Bg6 10.b5 Nc5 11.0–0 Nfe4 12.Ne4 Ne4 13.Bd3 Bf6= 14.f4 Bd4 15.Bd4 f5 16.Be4 fe4 17.Qg4 Qc8 18.Qc8 Rac8 19.a4 b6 20.g4 c5 21.Bb2 Bf7 22.Rfd1 Rfd8 23.Rac1 d5 24.cd5 Bd5 25.Ra1 Bc4 26.Bc3 Be2 27.Rd8 Rd8 28.g5 Bc4 29.Kf2 Rd3 30.Rc1 Bb3 31.a5 Ba4 32.ab6 ab6 33.Be1 Rb3 34.Bc3 Bb5 35.Ke1 Bd3 36.Kd2 (36.Be5 Ra3–/+) 0–1. Kilpatrick,Robert – McBrayne,RA, corr SCCA, 1978.

6.Nc3 g6

7.d4 Bg7 8.Be2 0–0 9.0–0 ed4 10.Nd4+= Be6 11.Ne6 fe6 12.Qd2 Qe7 13.Bf3 (13.f4 Nb6 14.e4 Nfd7+=) 13...c6 (13...Ne5 14.Be2 (worse is 14.Bb7 Rab8 15.Ba6 Rb4–/+) 14...Ned7 15.Rfd1+/–) 14.b5 (14.e4 Nb6 15.Be2 d5 16.ed5 ed5=) 14...Ne5= 15.Be2 c5 (15...d5!? 16.bc6 Nc4 17.Nd5 ed5 (17...Nd2? 18.Ne7 Kf7 19.Rfd1+–; worse is 17...Nd5 18.Bc4 bc6 19.Bg7 Kg7 20.e4+=) 18.Bf6 Nd2 19.Be7 Rfe8 20.cb7 Rab8=) 16.a4 Rfd8 17.f4 Ned7 (17...Nf7 18.e4 Nd7+/–) 18.Bf3 (better is 18.Rfd1+–) 18...Nb6= 19.Qe2 d5 20.cd5 ed5? (20...Nfd5 21.Nd5 Nd5 22.Bg7 Kg7 23.Qc4=) 21.Rad1 (better is 21.a5 Nc4 22.Nd5 Nd5 23.Qc4 Qe3 24.Kh1 Bb2 25.Bd5 Kh8 26.Rad1+=) 21...Nc4?? (better is 21...Ne4 22.Ne4 de4=) 22.Nd5+– Nd5 23.Bd5 (23.Qc4?! Qe3 24.Kh1 Bb2 25.Bd5 Kh8+/–) 23...Rd5 24.Qc4 (24.Rd5 Nb2 25.Rd2 Rd8+=) 24...Qe3 (24...Bb2 25.Rd5 (worse is 25.Qd5 Kg7+–) 25...Qe3 26.Kh1+–) 25.Kh1 Bb2 26.Rd5 Kh8 27.Rc5 Rf8 28.Rc8 Qe7 29.Rc7 Qa3 30.Rb7 Bd4 31.Qc7 (31.Qc7 Rf7 32.Qf7 Qe7 33.Re7 Be5 34.Qh7#; 31.Qd4 Rf6 32.Qf6 Kg8 33.Qg7#) 1–0. Koerner,Helmut (1980) – Boeck,Ruediger (1605), Berlin Lichtenberger op 7th, 2008.

7.Be2 Bg7 8.0–0 0–0 9.d4 e4 10.Nd2 h5+= 11.f3 Re8 12.fe4+/– Ne4 13.Nde4 Be4 14.Ne4 Re4 15.Bf3 Re3 16.Bb7 Rb8 17.Qd2 Qe7 18.Rae1 Bh6= 19.Bc6 Re8 20.Bc3 Re1 21.Qe1 Qe1 22.Be1 Re7 23.Bf2 Nb6 24.c5 dc5 25.bc5 Nc4 26.Rb1 Be3 27.Rb8 Kg7+= 28.Ra8 Bf2 29.Kf2 Na5 30.Bf3 c6 31.Rc8 Re6 32.Rc7+– a6 33.Ra7 Nc4 34.Ra6 Nd2 35.Rc6 Rc6 36.Bc6 Kf6 37.a4 Nb3 38.Ke3 Na5 39.Bd5 Ke7 40.Kd3 f6 41.Kc3 (41.Kc3 f5 42.Kb4+–) 1–0. Blankenberg,Bruno (1960) – Kleine,Joachim, DESC, 2000.

7.h3 h6 8.d4 Bg7 9.g4 Be4 10.Ne4 Ne4 11.Qc2 Ng5 12.Ng5 Qg5 13.Bg2 Rb8 14.Qa4 a6 15.Rd1 c6 16.d5 Nb6 17.Qb3 cd5 18.Bd5 0–0 (18...0–0 19.Be4 Rfc8+/–; 18...Nd5 19.Rd5 h5 20.Qa4 Ke7 21.Qa5=). Van Rooijen,Peter (1830) – Dufour,Michael, IECC, 2001.

6.d4 e4

7.Nfd2 c6 8.Qb3 d5 9.cd5 cd5 10.Nc3 Nb6 11.b5 Be7 12.a4 a5 13.Ba3 0–0= 14.Be2 Qd7 15.0–0 Rac8 16.Rfc1 Rc7 17.Rc2 Ba3 18.Qa3 Nc8 19.Rac1+= b6 20.Bf1 Ne7 21.Ne2 Rc2 22.Rc2 Rc8 23.Qb3 ½–½. Franck,Mirko – Massny,Christian, Schleswig Holstein–ch U18, 1999.

7.Nfd2 d5

8.a3 c6 9.Nc3 Bd6 10.Be2 0–0 11.0–0 Qb8 12.h3 Rd8 13.Rc1 dc4 14.Nc4 =.

8.a3 c6 9.Nc3 Bg4 10.Qb3 Be7 11.cd5+/– cd5 12.Nd5 Be6 13.Nf6 Bf6 14.Qc2+– Bf5 15.Ne4 0–0 16.Nf6 Qf6 17.Qc7 b6 18.Rc1 Rfc8 19.Qc8 Rc8 20.Rc8 Nf8 21.Rc1 h6 22.Bc4 Ng6 23.0–0 Be6 24.Be2 Qg5 25.g3 Bh3 26.Rfd1 Qd5 27.Bf1 Bg4 28.Rd3 Qe4 29.Rd2 Be6 30.Bg2 Qf5 31.d5 Bd7 32.d6 Ne5 33.f4 Nc4 34.Rc4 Qb1 35.Rc1 Qg6 36.Rcd1 f6 37.e4 Kf8 38.e5 fe5 39.fe5 Kf7 40.e6! Be6 41.d7 Bd7 42.Rd7 Kg8 43.Bd5 Kh7 44.Be4! Qe4 45.Rg7 (45.Rg7 Kh8 46.Rd8 Qe8 47.Re8#) 1–0. Bonetti,Shane – Nandos, ICC, 2002.

8.Qa4 c6 9.c5 Be7 10.Nc3 0–0 11.Be2 b5 12.Qa6 Qc8 13.Qc8 Rfc8 14.a4 =.

8.Qb3 Be6 9.Nc3 c6 10.cd5 cd5 11.Be2 Bd6 12.Nb5 Bb8 13.Rc1 a6 14.Nc3 =.

8.b5 dc4 9.Bc4 Nb6 10.Be2 Bd6 11.0–0 Nfd5 12.Nc3 Nc3 13.Bc3 Qh4 14.h3 =.

8.b5 c6 9.Nc3 Be7 10.Be2 0–0 11.a4 a6 12.h3 ab5=+ 13.ab5 Ra1 14.Ba1 h6 15.0–0 Be6 16.Qb3 Nb6 17.c5 Nc8 18.bc6 bc6 19.Qb7 Qd7 20.Qd7 Nd7 21.Rb1 f5 22.Ba6 Bg5 23.Ne2 Ne7 24.g3 Nb8 25.Bb7+= Bf6 26.Bc3 g5 27.Ba5 Ng6 28.Bc7 Bd7 29.Ra1 Bc8 30.Bd6?? Be7?? 31.Bc8+= Rc8 32.Ra7 Kf8 33.Nb3 Ke8 34.Bb8 Rb8 35.Na5 Rb1 36.Kg2 Rb2 37.Nc3 f4?? 38.gf4 gf4+= 39.ef4 Nf4 40.Kg3= Ng6 41.Nc6? Rb3–/+ 42.Kg4 Rc3 43.Kh5 Kf7 44.Nd8?? Kg7 45.Ne6 Kf6 46.Nc7 Rh3 47.Kg4–+ Rh4 48.Kg3 Rh5 49.Ne8 Kf7 50.Nd6 Kf8 51.Ra8 Kg7 52.Ne8 Kf7 53.c6 Rg5 54.Kh2 Rh5 55.Kg1?? Rg5 56.Kf1?? Nf4 57.c7= Rh5 58.Ke1 Rh1–/+ 59.Kd2 Bb4 60.Kc2 Ne6?? 61.c8Q+– Nc5 62.Kb2 (62.Kb2 Bc3 63.Kc3 Rc1 64.Kd2 Nb3 65.Ke3 Rc8 66.Rc8+–; 62.Qf5 Ke7 63.Qf6 Kd7 64.Rd8#) 1–0. Khrustalev,Alexsander (1930) – Tsybikova,Darima, Dubna op, 2007.

8.cd5 Bb4 9.Qb3 Bd6 10.Nc4 Nb6 11.Nc3 Nc4 12.Bc4 a6 13.a4 Rb8 14.Ba3 =.

6.Be2 Be7

7.0–0 c5 8.a3 Rc8 9.d4 b6 (9...ed4!? 10.ed4 cb4 11.ab4 d5+=) 10.de5+/– de5 11.Ne5 Ne5 12.Be5 0–0 13.b5 Qd1 14.Rd1 (14.Bd1?! Bd3 15.Nd2 Bf1 16.Kf1 Rfd8=) 14...Ne4 15.Nc3 f6 16.Nd5 Bd8 17.Bb2 Be6 18.Nf4 Bf5 (18...Bf7 19.Bg4 Rb8 20.f3+–) 19.Rd5 g6 20.f3 (20.g4!? g5 21.Rf5 gf4 22.Rf4 Ng5+–) 20...Ng5 21.g4 Bc2 22.a4 Nf7? (22...Re8 23.Kf2 f5+–) 23.Rd2 Bb3 (23...g5 24.Ne6 Re8 25.Nd8 Rcd8 26.Rc2 Re3 27.Bf6 Rde8+–) 24.Ra3 Bc4 25.Bc4 Kg7 (25...Bc7 26.Rd7 Bf4 27.ef4 Rce8 28.Bf6 Re1 29.Kg2 Rc1+–) 26.Ne6 Kg8 27.Nf8 (27.Rd7!? Be7 28.Re7 Nd6 29.Rg7 Kh8+–) 27...Kf8 28.Rd7 Ng5 29.Kf2 Bc7 (29...Be7+–) 30.Bf6 Nh3 31.Kg2 Ke8 32.Rad3 g5 (32...Bd6 33.R3d6 Nf4 34.ef4 a6 35.Rd8 Rd8 36.Rd8) 33.Re7 Kf8 34.Rdd7 (34.Rh7 Nf4 35.ef4 Bf4 36.Rh8) 34...h5 (34...Nf4 35.ef4 Be5 36.fe5 a6 37.Bg7) 35.Bg7 1–0. Fournier,Frederic (1950) – jorovi (1840), Active, 2005.

7.Nc3 c6 8.0–0 0–0 9.d4 e4 10.Nh4 Bg6 11.Ng6+= fg6 12.f3 ef3 13.Bf3 Nb6 14.Qb3 Kh8 15.e4 d5 16.cd5 cd5 17.e5 Ng8 18.Bd5+– Nh6 19.Rf8 Bf8 20.Rd1 Rc8 21.Be6 Rc7 22.d5 Rc4 23.d6 Rb4 24.Qb4 1–0. pierre – tonny, internet, 2010.

7.d3 0–0 8.0–0 Re8 9.Nc3 c6 10.Qb3 a6 11.a4 Qc7 12.Rac1 a5 13.b5 c5 14.Qd1 b6 15.Ne1 Rad8? 16.Bf3 g5 17.Bd5 Kg7 18.Nf3 h6 19.d4 Be6 20.Be6+/– fe6 21.de5 de5 22.Qc2 g4 23.Nd2 Qb7 24.Nde4 Ne4 25.Ne4 Bf6? 26.Nd6+– Qc7 27.Ne8 Re8 28.Qe4 h5 29.Rcd1 Nf8 30.Rd3 Nh7 31.Rfd1 Re7 32.Qc6 Qb8 33.Rd7 Rd7 34.Qd7 Kg6 35.Qe6 Ng5 36.Qd6 (36.Qd6 Qd6 37.Rd6+–; 36.Qc6 Nf7+–) 1–0. Steiner,Peter Markus – Damrau,Willi, Baden–ch JS Eppingen, 2004.

7.d3 0–0 8.0–0 h6 9.Nc3 a5 10.a3 c6 11.e4 Bh7 12.Qb3 Qb8 (12...Re8 13.h3=) 13.Rfe1 (13.g3 Ra6+=) 13...Re8 (13...Qa7 14.Red1=) 14.Nd1 (14.g3 Nf8=) 14...Nf8 (14...ab4 15.ab4 Ra1 16.Ba1=) 15.Ne3 Ne6 16.Nf5 ab4 (16...Qd8!?=) 17.Ne7+= Re7 18.ab4 b6 19.Ra8 (19.b5 c5+=) 19...Qa8 20.Ra1 Ra7 21.Ra7 Qa7 22.Bd1 (22.b5 c5+=) 22...Bg6= 23.Qa4 Qb7 24.Nh4 b5 25.cb5 cb5 26.Qa5 Bh5 (26...Kh7 27.g3=) 27.f3+= Nf4 28.Qd8 (28.d4 Qb8+=) 28...Kh7+= 29.Qd6 Qa7 30.Qc5 Qd7 31.d4 Nd3 32.Qc3 Nb2 33.Qb2 Ne4?? 34.Bc2+– g5 35.Be4 Kg8 36.Nf5 Bg6 37.Nh6 Kg7 38.Bg6 Kg6 39.Ng4 Qd4 40.Qd4 ed4 41.Kf2 Kf5 42.Ke2 Ke6 43.Kd3 f5 44.Nh6 Kf6 45.Kd4 Kg6 46.Kc5 (46.Kc5 Kf6 47.Kb5+–) 1–0. Orban,Chester J – Cordy,Joe, WS/O/269 ICCF, 2009.

7.d3 0–0 8.h3 h6 9.a3 a6 10.Nc3 c6 11.e4 Bh7 12.Qc2 Rc8 13.a4 (13.0–0 d5=) 13...Qb6 14.Rb1 Rc7 (14...Qb4!? 15.Bc1 Qa5 16.Rb7 Rb8 17.Rb8 Rb8+=) 15.Bc1= Qa7 16.Qa2 Rfc8 17.Bd2 Ra8 18.0–0 Qb8 19.a5 b5 20.cb5 cb5 21.Rfc1 Qb7 22.Nd1 (22.Bd1 d5 23.Bb3 de4 24.Bf7 Kf8 25.Ne4 Rac8 26.Nf6 Bf6 27.Rc7 Qc7+–) 22...Rac8 (22...Rc1 23.Rc1 d5 24.ed5 Nd5 25.Qb3+=) 23.Rc7= Rc7 24.Rc1 (better is 24.Ne3=) 24...Rc1–/+ 25.Bc1 d5 26.Qb2 (26.d4 Bb4 27.de5 de4 28.ef6 ef3 29.Bf3 Be4–/+) 26...de4–+ 27.de4 (27.Ne1 Qd5 28.Nc3 Qd6 29.de4 Qb4–+ (29...Ne4?! 30.Ne4 Be4 31.Bd2–/+)) 27...Be4 (better is 27...Qe4!? 28.Ne3 Bb4 29.Bd2–+) 28.Ne1 Nd5 29.Bd2 Qc6 30.Bd3 Qg6 31.Be4 Qe4 32.f3? Qc4 33.Nc2 Qd3 34.Nce3 Bg5 35.Qc1 Nf4 36.Nc3 Qc3! 37.Qc3 Ne2 38.Kf2 Nc3 39.Bc3 Be3 40.Ke3 f5 41.f4 e4 42.g4 g6 43.h4 h5 44.g5 Kf7 45.Kd4 Ke6 46.Bd2 Kd6 47.Be3 Nb8 48.Bd2 Nc6 49.Kc3 Kd5 0–1. Pachurka,Roland – Schramm,Finn (1645), Schleswig Holstein–ch B, 2007.

7.d3 a5 8.a3 ab4 9.ab4 0–0 10.Nbd2 Ra1 11.Qa1 Qa8 12.0–0 e4 (better is 12...Re8!?=) 13.de4+/– Be4 (13...Qa1!? 14.Ra1 Ne4+/–) 14.Ne4+– Qa1? (14...Ne4 15.Bg7 Qa1 16.Ba1+– (worse is 16.Ra1 Kg7 17.Bd3 d5–+)) 15.Ra1 (better is 15.Nf6 Bf6 16.Ba1+– (16.Ra1?! Bb2 17.Ra7 Rb8+=)) 15...Ne4+/– 16.g3 Bf6 17.Bf6 Ndf6 18.Nd4 c5 19.bc5 dc5 20.Nb5 Rd8 21.Rd1 (21.Ra7!?+/–) 21...Rd1= 22.Bd1 Nd2 23.Be2 Nd7 24.Nd6 b6 25.Kg2 Kf8 26.Nb5 Ne5 The isolani on c4 becomes a target 27.Na3 Ke7 28.f3 Kd6 29.Kf2 Kc6 30.h4 h5 31.f4 Ng4 32.Bg4 hg4 33.Ke2 Ne4 34.Kf1 Ng3–+ 35.Kg2 Ne4 36.Nc2 f5 37.Na3 Nd6 38.Kf2 b5 39.cb5 Nb5 40.Nc4 Kd5 41.Nb6 Ke4 42.Ke2? Nc3 43.Kd2 Nd5 44.Nd5 Kd5 45.Kc3 Ke4 46.h5 Ke3 (46...Ke3 47.Kc4 g3–+) 0–1. Fournier,Frederic – ALMAOSCURA03 (1960), Active (5/0), 2004.

7.d4 0–0 8.0–0 c6 9.Nc3 Qc7 10.Qb3 Rfe8 11.Rad1 Bf8 12.Nh4+= ed4 13.Nf5 dc3 14.Qc3 Rad8 15.Qd4 Ne5 16.Qf4 d5 17.a3 g6 18.Nh6 Kg7 19.g4+– Ng8? 20.Nf7! Qf7 21.Be5 Re5 22.Qe5 Qf6 23.Qf6 Nf6 24.Rd4 c5 25.bc5 Bc5 26.Rd3 Rd6 27.Rfd1 Ba3 28.Ra3 (28.Ra3 a6 29.Bf3+–) 1–0. Pleschke,Helmut – Jones,Brendon, IECG, 2000.

7.0–0 0–0

8.a4 c6 9.b5 Rc8 10.Nc3 h6 11.h3 Qc7 12.d3 Rfe8 13.d4 ed4 14.ed4 Bf8 15.Bd3 Bd3 16.Qd3 Re6 17.Rae1 Rce8 18.Re6 Re6 19.Re1 Re1 20.Ne1 Qd8 21.Qe2 Qe7 22.Qe7 Be7 23.Nf3 g6 24.Kf1 Nb6 25.Nd2 Nbd7 26.bc6 bc6 27.a5 Kf8 28.Nde4 Ne4 29.Ne4 Nf6 30.f3 d5 31.Nf6 Bf6 32.cd5 cd5 33.Ke2 Ke7 34.Kd3 ½–½. mr5reasons1 (1630) – metalac (1650), gameknot.com, 2013.

8.Nc3 a6 9.d4 Ne4 10.Ne4 Be4 11.Bd3 Bd3 12.Qd3 Bf6 13.Qe4 Re8 14.d5 c5 15.dc6+/– bc6 16.Qc6 e4 17.Bf6 gf6? 18.Nd4+– Ne5 19.Qe4 Nc4?? 20.Qg4 Kh8 21.Nf5 Rg8 22.Qc4 Qd7 23.Qd5 Rg5 24.Qa8 (24.Qa8 Rg8 25.Qd5+–) 1–0. pierre – mra2007, chess.com, 2007.

8.Nc3 c6 9.a3 a6 10.Rc1 Qc7 11.d4 b5? 12.cb5+/– ab5 13.Nb5!+– Qb7 14.Nd6! Bd6 15.de5 Nd5? 16.ed6 Rac8 17.Nd4 Bg6 18.Nc6 (18.Nc6 Be4 19.Qd4+–) 1–0. pcmvr (2560) – grasi, net–chess.com, 2006.

8.Nc3 c6 9.d4 Qc7 10.b5 Rfd8 11.a4 Be6 12.Qc2 ed4 13.Nd4+= d5 14.cd5 Bd5 15.Nd5+/– Nd5 16.bc6 Ne5 17.cb7 Qb7 18.Rab1 Rac8 19.Qe4 Ng6? 20.Nf5 Qb4 21.Qb4 Bb4 22.Ng7 Bc3 23.Nf5+– Rb8 24.Ba3 Nb4 25.Bb4 Bb4 26.Bb5 Rd5?! 27.Rb4 Rf5 28.Rd4 Ne5 29.Rfd1 Kg7 30.Rd5 Kf6 31.h3 Rg8 32.f4 Nf3 33.Kf2 Rd5 34.Rd5 Nh4 35.g3 Nf5 36.g4 Ne7 37.Rd6 Kg7 38.Rd7 Ng6 39.Ra7 Rc8 40.Bd3 Rb8 41.Bg6 Rb2 42.Bc2 Rc2 43.Kg3 Re2 44.Re7 Ra2 45.Re4 Kg6 46.h4 h5 47.g5 Ra3 48.Kf3 Ra1 49.Rd4 Rh1 50.Kg2 Rh4 51.a5 Rg4 52.Kf2 h4 53.f5! Kf5 54.Rg4 Kg4 55.Kg2 h3 56.Kh2 Kf5 57.a6 Ke4 58.a7 Ke3 59.a8Q Kf4 60.Kh3 Kg5 61.Qd5 Kg6 62.Kg4 f6 63.Kf4 Kg7 64.Kf5 Kf8 65.Kf6 Ke8 66.Qb7 Kd8 67.Ke6 Ke8 68.Qe7# 1–0. Dessing,Bastiaan – Van Opheusden,Bas, NED–ch U12 Rijswijk, 2001.

8.Nc3 c6 9.d4 Ne4 10.Ne4 Be4 11.Bd3 Bd3 12.Qd3+= ed4 13.Bd4 Bf6 14.Qf5 Bd4 15.ed4 Qf6?? 16.Qd7+– 1–0. pcmvr (2225) – llinna (2145), net–chess.com, 2006.

8.Nc3 c6 9.d4 h6 10.Nd2 ed4=+ 11.ed4 Qb6 12.a3 Rfe8 13.Nb3 d5 14.c5 Qc7 15.Bd3 Bd3 16.Qd3= Nf8 17.Rae1 Ng6 18.Bc1 Bf8 19.g3 Qd7 20.Qf3 Qh3 21.Nd2 Re6 22.Re6 Qe6 23.Kg2 Re8 24.Nd1 Ne4 25.Ne3 Be7 26.Qf5 Bf6=+ 27.Qe6 Re6 28.Nc2 Ne7 29.Ne4 Re4 30.Be3 Nf5 31.Rd1 Kf8 32.h3 h5 33.Rd3 Ke7 34.a4 Kd7 35.a5 g6 36.f3? Ne3–/+ 37.Ne3 Rd4 38.Rd4 Bd4 39.Nc2 Bc3 40.Kf2 d4 41.Ke2 Ke6 42.Kd3 Kd5 43.g4 hg4–+ 44.fg4 g5 (44...g5 45.Nd4 Bd4–+) 0–1. Sheehan,Anthony – Trevelyan,C, WLS–ch Cardiff, 1994.

8.Nc3 Bg6 9.Nh4 c6 10.f4 Ne8 11.Ng6+/– hg6 12.a4 Nc7 13.Qc2 Bf6 14.fe5 de5 15.Bf3 Na6 16.Ba3 Re8 17.b5 cb5 18.ab5+– Nac5 19.Ne4 Ne4 20.Be4 Qc7+/– 21.c5 Rac8 22.Rac1 Qa5 23.Qb3+– Kh8? 24.Qf7 Qd2 25.Rf3 (25.Rf3 Bg5 26.Rh3 Bh6 27.Bb7+–; 25.Bb7?! Qe3 26.Kh1 Qa3 27.Bc8 Rc8 28.Qd7 Rc5 29.Qe8 Kh7 30.Rc5 Qc5+–) 1–0. pcmvr (2760) – kuksifae (2385), net–chess.com, 2006.

8.Nc3 h6 9.a4 b6 10.d4 e4 11.Nh4 Bh7 12.g3 c6 13.b5 c5 14.d5 (better is 14.Ng2!?+=) 14...Re8+= 15.Re1 g5 16.Ng2 Bf8 17.h4 Bg7 18.Kh2 Qe7 19.Rb1 gh4 (better is 19...Ne5!?–/+) 20.Nh4+= Ne5 21.Ra1 (better is 21.Ng2+=) 21...Ng6 (better is 21...Nd3 22.Bd3 ed3–/+) 22.Ng2 Rac8 23.Rh1 Ne5 24.Kg1 Bf5 25.Nb1 (25.Nf4 Qc7=) 25...Bg4 (25...Nfg4!? 26.Nd2 Nd3 27.Bd3 Bb2 28.Ne4 Be4 (worse is 28...Ba1 29.Nd6 Nf2 30.Kf2 Qd6 31.Bf5+=) 29.Qg4 Qg5 30.Qg5 hg5=) 26.Nd2= Be2 27.Qe2 Ng6 28.Nf1 (28.a5 Nd7 29.Bg7 Kg7+=) 28...Kf8 29.Nh4 Nh7?? (better is 29...Qd7=) 30.Bg7+– Kg7 (30...Kg8 31.Nf5 Qg5 32.Rh5 Qf5 33.Rf5 Kg7 34.g4+–) 31.Nf5 (31.Nf5 Kf8 32.Ne7 Ke7 33.a5+–) 1–0. algernon (2515) – lga (2295), net–chess.com, 2015.

8.Nc3 h6 9.d3 a5 10.a3 c5 11.e4 Bh7 12.bc5 Nc5 13.Rb1 Qd7 14.Ba1 Rfb8 15.Rb5 Ne6 16.Qd2 Nf4 17.Rfb1 N6h5 (17...Bg6 18.Bd1+=) 18.Nd5+/– Nd5 19.Ne5 (worse is 19.Rd5 Qc7+=; 19.ed5?! Nf4=) 19...de5 20.Rd5 Qc6 21.Bh5 Ba3? (better is 21...f6+/–) 22.Be5+– Bb4? (22...Rd8 23.Bg7! Kg7 24.Rd8 Rd8 25.Qc3 Qf6 26.Qa3 b6+–) 23.Bf7! (23.Rb4?! ab4 24.Bb8 Rb8 25.Bf7 Kh8+–) 23...Kf7 24.Qf4 Kg8 25.Bb8 Qe8 26.Bd6 Bd6 27.Qd6 Rb8 (27...b6 28.Rb6 a4 29.Rb7+–) 28.Qc7 1–0. Fournier,Frederic (2080) – Ovasquezbust, Active (9/0), 2004.

8.Nc3 h6 9.d4 e4 10.Nd2 c5 11.bc5 dc5 12.d5 a6 13.a4 Bd6 14.Qc2 Re8 15.Rfb1 b6 16.Nf1 Bg6 17.Ng3 Ne5 18.Rd1 Nfg4 19.Nce4 Be4 20.Ne4 Qh4 21.h3 Ne3 22.fe3 f5 23.Nd6 Re7 24.Nf5 1–0. algernon (2440) – lga (2290), net–chess.com, 2014.

8.d3 b6 9.a4 c5 10.b5 Re8 11.Nbd2 a6 12.ba6 Ra6 13.e4 Bg4 14.h3 Bh5 15.Nb3 h6 16.Bc3 Qa8 17.a5 Nh7 18.Qc2 Bf3 19.Bf3 Ng5 20.Bg4 Nf6 21.Be2 Bd8 22.ab6 Bb6 23.Ra6 Qa6 24.Ra1 Qb7 25.Ba5 (better is 25.f4!? ef4 26.Bf6 gf6 27.Bg4+=) 25...Ba5= 26.Ra5 Qd7 27.Rb5 Nh3 (better is 27...Rd8!?=) 28.gh3+/– Qh3 29.Qd1 h5 30.Nd2 h4 31.Qf1 Qd7 32.Nf3 Qg4 33.Qg2 Qh5 34.Qg5 Qg5+/– 35.Ng5 Nd7? 36.Nf3 h3 37.Kh2 f6 38.Kh3 Kf7 39.Kg2 Rh8 40.Rb7 Ke7 41.Bd1 Ke6 42.Ba4 Rd8 43.Bd7 Rd7 44.Rd7 Kd7 45.Kg3 Ke6 46.Kg4 g6 47.Nh4 f5 48.ef5 gf5 49.Nf5 d5 50.Ne3 e4 51.cd5 Ke5 52.de4 Ke4 53.d6 (53.d6 Kd3 54.d7 Kc3 55.d8Q Kb4 56.Qb6 Kc3 57.Qc5 Kb3 58.Qc4 Kb2 59.Qb4 Kc1 60.Qc3 Kb1 61.Qb3 Kc1 62.Qc2) 1–0. Fournier,Frederic (1890) – livrerare (1840), Active (5/0), 2005.

8.d3 c5 9.b5 Re8 10.Nbd2 Nf8 11.a4 Ng6 12.e4 Bg4 13.Ne1 Be2 14.Qe2 Qd7 15.g3 Qh3 16.f3 Nd7 17.Qg2 Qg2 18.Kg2 Bg5 19.Bc1 Be3 20.Nc2 Bh6 21.Nb3 Rf8 (21...Bc1!? 22.Rfc1 Kf8+=) 22.Bh6+/– gh6 23.Ne3 Kh8 (23...Ne7!?+/–) 24.Nf5+– h5 25.Nd6 b6 26.Nf5 Rae8 27.Ne3 Ne7 28.Nd5 Nd5 29.cd5 f5 30.Nd2 f4 31.Nc4 Rg8 32.Kf2 fg3 33.hg3 Re7 34.Rg1 Reg7 35.Raf1 Rf8 36.Ke2 Rg5 37.Rg2 a6 38.Rfg1 ab5 39.ab5 Ra8 (39...Rfg8+–) 40.Ke3 1–0. Fournier,Frederic (1830) – espadaajedrez (1635), Active (5/0), 2005.

8.d3 e4 9.Nd4 ed3 10.Nf5 de2= 11.Qe2 Ne5 12.Nd2 Qd7 13.Ne7 Qe7= 14.Nf3 Nfg4 15.Ne5 Ne5 16.Rac1 c5 17.a3 Qe6 18.f4 Nc6= 19.b5 Ne7 20.Qf3 Qd7 21.e4 f6 22.Rcd1+/– Qc7 23.Rd2 Rad8 24.Rfd1 Nc8 25.Qc3 Nb6 26.Qd3 Rd7 27.Qc2 Rfd8 28.g3 Nc8 29.a4 Re7+= 30.e5 fe5 31.fe5 Rde8 32.ed6+– Nd6 33.Rd6 Re1 34.Re1 Re1 35.Kf2 Qd6 36.Ke1 b6 37.Qc3 Qe6 38.Qe5 (38.Qe5 Qd7 39.a5+–) 1–0. Kuhmann,Heinz (1635) – Weidenhoefer,Robert, Nuremberg Zabo op 4th, 2002.

8.d4 ed4 9.Nd4 Bg6 10.a3 a6 11.Nd2 c5 12.N4f3 Qc7 13.Nh4+= Rad8 14.Ng6+/– fg6 15.Rc1 Ne5 16.Nf3 Kh8 17.Qc2 Nfd7 18.Rfd1 Rf5 19.bc5 dc5 20.Ne5 Ne5 21.Rd5 Rd5 22.cd5 Bd6 23.f4+/– Nd7 24.g3 b5 25.e4+– Rf8 26.e5 Be7 27.d6 Bd6 28.ed6 Qd6 29.Qc3 Qe7 30.Bf3 g5 31.Re1 +–. Schirmer,Michael – Van der Hof,H, corr Germany, 1991.

8.d4 ed4 9.Nd4 Bg6 10.Nd2 c5 11.bc5 dc5 12.N4f3 Qb6 13.Qb3 Rfd8 14.Nh4 Bh5 15.f3 Qe6 16.Rf2 Ne5 17.Nf1 Rd7 18.g3 Bg6 19.Ng6 Ng6 20.e4 Ne8 21.Ne3 Bf6 22.Nd5 Bb2 23.Qb2 Nf6 24.Qc2 h5 25.Bf1 h4 26.a4 hg3=+ 27.hg3 Qe5 28.Qc3?? Rd5!–+ 29.Qe5 Re5 30.Rd1 Ree8 31.Rfd2 Kf8 32.Bh3 Ne5 33.Kf2 Nc4 34.Rc2 Ne5 35.Rc5 Nc6 36.a5 Re5 37.Re5 Ne5 38.Rb1 Rb8 39.Bg2 Nc6 40.a6 ba6 41.Rb8 Nb8 42.Ke3 Ke7 43.Kd4 Nh5 44.g4 Nf4 45.Bf1 Ne6 46.Kd5 a5 47.Kc4 Kd6 48.Kb5 Ke5 0–1. Stolzenwald,Karl Heinz – King,Alexander, Bad Woerishofen op1, 2006.

8.d4 ed4 9.Nd4 Bg6 10.Nd2 Re8 11.N2f3 (11.f4 Be4=) 11...Ne4 12.Qb3 Ndf6 (12...h6 13.Nc2+=) 13.Rad1 (13.h3 c5 14.Nc2 Qc8=) 13...c6 Covers b5 (13...Ng4!?+= is worth consideration) 14.Nh4= Qc7 (14...Nd7 15.Ng6 hg6 16.Bf3+=) 15.Ng6 (15.f3 Ng5 16.Ndf5 Rad8+=) 15...hg6 White has the pair of bishops 16.Nf3 (16.f3 Ng5+=) 16...Rad8 (16...Ng4 17.Qd3 Nef2 18.Rf2 Nf2 19.Kf2=) 17.Bd3 c5 (17...a5 18.a3+=) 18.b5 This push gains space 18...Bf8 19.Nd2 (19.Be4 Re4 20.Bc3 Nd7+=) 19...Nd2 20.Rd2 Ne4 21.Be4 Re4 22.Rd5 Praise the rook! 22...Rde8 23.Rfd1 f5 (23...a6 24.ba6 ba6 25.Qc2+=) 24.g3 Qf7 25.Kg2 g5 26.Qc3 (26.Qd3 a6=) 26...R8e6 27.Qd3 g6 (27...Be7!?=) 28.Qc3 White has a mate threat 28...Qh7 29.h3 f4 30.ef4 gf4 31.g4 (31.R1d3 a6=) 31...Be7 (31...Re2 32.Bc1=) 32.Qd3 Qh4 White king safety dropped 33.Rd2 Kf7 34.Rc2?? not a good decision, because now the opponent is right back in the game (better is 34.Qf3 the rescuing straw 34...a6 35.R5d3 ab5 36.cb5+=) 34...Re3–+ 35.fe3 Qg3 36.Kh1 Re3 37.Rf5 gf5 38.Qf5 Ke8 39.Qg6 Kd8 40.Qg8 Kc7 41.b6 ab6 42.Bc3 Qh3 (42...Qh3 43.Kg1 Rg3 44.Kf2 Rg2 45.Kf1 Qh1) 0–1. Nemeth,Laszlo (2005) – Szucs,Imre (1935), HUN–chT2 Erkel, 2003.

8.d4 e4 9.Nfd2 d5 10.b5 c5 11.Qb3 cd4 12.Bd4= Bg4 13.Nc3 Be2= 14.Ne2 dc4 15.Nc4 Nc5 16.Qc2 Rc8 17.Rad1 Nd3 18.Qa4 Qc7+= 19.Nd2 Ng4 20.Ng3 f5 21.h3?? Ngf2= 22.Qb3 Kh8 23.Nh5= Bf6 24.Bf6 Rf6 25.Rf2?? Nf2= 26.Kf2 Rg6 27.Nf4+= Rd6 28.Ke2 Qa5?? 29.Nc4+– (29.Nc4 Rc4 30.Qc4 Rd1 31.Kd1 Qd8 32.Ke2+–) 1–0. Kuhn,Heinz – Jenal,Ralph, Saarland–chB, 1993.

8.d4 e4 9.Nfd2 d5 10.b5 c6 11.a4 Qc7 12.Ba3 c5 13.cd5 Nd5 14.Nc4 N7f6 15.f4 Rfd8 16.g4 Bc8 17.g5 Ne8 18.Bb2 Bf5 19.Nbd2 Nd6 20.Qb3 1–0. Wagner,Jean Philippe (1680) – Birot,Jacques, Noisy op, 2003.

7.Nc3 0–0

8.0–0 a5 9.d4 ab4–/+ 10.Nb5 e4 11.Nh4=+ Bg6 12.d5 c6 13.dc6 bc6 14.Nd6 Bd6 15.Qd6+= Ne8 16.Qc6 Rc8 17.Qd5 Rc5 18.Qd1 Ne5?? 19.Qd8+– (19.Qd8 Nd3 20.Bd3 ed3 21.Ng6 fg6 22.Qd3+–) 1–0. lucya – deadly_1, gamecolony.com, 2007.

8.0–0 c6 9.d4 ed4 10.Nd4+= Bg6 11.f4 h6 12.a3 Nb6 13.Qb3 d5 14.c5 Nbd7 15.f5 Bh7 16.Rf4 Ne5 17.e4 Nfg4?? 18.Rg4+– Ng4 19.Bg4 Bf6 20.Nf3 Re8 21.ed5 Bc3 22.Qc3 Qd5 23.Qg7# 1–0. pierre – dobossy, internet, 2010.

8.a3 c6 9.0–0 d5 10.cd5 cd5 11.d4 ed4 12.Qd4 Nb6 13.Rfd1 Rc8 14.Rac1+/– Be4 15.Ne5 Re8 16.Bb5 Nfd7?? 17.Nd7+– Nd7 18.Ne4 Bf6 19.Qd5 Rc1 20.Bc1 Re5 21.Nf6 gf6 22.Qc4 (22.Qc4 Qf8 23.Bd7+–) 1–0. MrkT – Sigmund77, internet, 2005.

8.a3 e4 9.Nd4 Bg6 10.0–0 c5 11.Nb3 cb4 12.ab4 a6 13.d3 Rc8 14.de4+/– Ne4 15.Nd5 Ne5 16.f4 Nc4 17.Bc4 Rc4 18.f5 Bg5 19.Qd3 Bf5 20.Rf5 b5 21.Na5 Qc8 22.Rg5! Ng5 23.Ne7 Kh8 24.Nc8 Rfc8 25.Nc4 bc4 26.Qf5 c3 27.Qc8# 1–0. mrkt – guest1299, ICC, 2003.

8.d3 h6 9.0–0 Bh7 10.a4 c5 11.b5 a5 12.d4 Qc7 13.Re1 Rfe8 14.Bf1 Bf8 15.de5 de5 16.e4 Rad8 17.Nd5 Qb8 18.Nd2 Re6 19.g3 Ne8 20.Bh3+= Rd6 21.Nf3 f6 22.Nh4 Nc7 23.Nf5+/– Bf5 24.Bf5 Ne6 25.Qg4 Nd4 26.Bd4+– cd4 27.Qg6 Rd5 28.cd5 Nc5 29.Rec1 Qc7 30.Rc4 b6 31.Rac1 Qa7 32.f4 Qc7 33.Qh7 Kf7 34.Bg6 Ke7 35.Qg8 Kd6 (35...Qd7 36.Rf1 Kd6 37.fe5 Ke5 38.Rf5 Kd6 39.Rd4 Kc7+–) 1–0. Lehr,Thomas – Rudolph,Hans Joachim, Landes–Einzelmeister, 1993.

8.d4 ed4 9.Nd4 Bg6 10.0–0 Ne4 11.Nd5 Nb6 12.Ne7 Qe7= 13.Nf3 Rad8 14.Qb3 Bh5= 15.Rfd1 Ng5 16.Rd4 Ne6 17.Rd2+= Nd7 18.Rad1 Nf6 19.Nd4 Nd4 20.Bd4 Be2 21.Re2 Rfe8 22.Qb2 Nh5 23.Red2 Nf4 24.h3 Ne6= 25.Bc3 f6 26.Qa3+= a6 27.Qa5 Kh8 28.Qd5 b6 29.a3 Ng5 30.Rd4 Ne4 31.Be1 Rb8 32.h4 Qe5 33.Qe5+/– fe5?? 34.Re4+– (34.Re4 Rbd8 35.Bc3+–) 1–0. Melich,J – Ryvova,A, Praha, 1996.

8.d4 ed4 9.Nd4 Bg6 10.Nf3 d5 11.c5 c6 12.0–0 Ne4 13.Ne4 Be4 14.Nd4 Bf6 15.a4 Qc7 16.Bd3 Bd3 17.Qd3= Ne5 18.Qe2 Nc4=+ 19.Rab1 (19.Rfb1 Rae8=+) ½–½. Cubok,Zdenek – Zwardon,Vojtech, Karvina CZE, 2005.

8.d4 e4 9.Nh4+= Bg6 10.Ng6 hg6 11.a3+/– c5 12.dc5 dc5+= 13.Qc2 cb4= 14.Ne4 ba3 15.Bc3 Rc8 16.0–0 Ne4 17.Qe4 Nc5 18.Qc2 Ne6 19.Qa4 a6 20.Bb4+= Bb4 21.Qb4 a5 22.Qb7+/– Qc7 23.Qc7+– Rc7 24.Ra3 Ra8 25.Rfa1 Rc5 26.g3 f5 27.Rb3 g5 28.Rb6 Kf7 29.Bf3+– Ra7 30.Bd5 Re7 31.Ra6 Kf6 32.R1a5 Ra5 33.Ra5 g6? 34.Ra6 Kf7 35.Kf1 Kf6 36.Ke2 Ke5 37.f4 gf4 38.Re6 Re6 39.ef4 Kf6 40.Be6 Ke6 41.Kd3 Kd7 42.Kd4 Kd6 43.c5 Kc7 44.Kd5 Kd7 45.c6 Kc7 46.Kc5 Kd8 47.Kd6 Kc8 48.c7 Kb7 49.Kd7 Kb6 50.c8Q Kb5 51.Qc3 Kb6 52.Qc6 Ka7 53.Kc7 g5 54.Qb7# 1–0. Bennett,Hilton Petrie (2070) – Pan,Alex, Open, Auckland NZL, 2003.

8.h3 Ne4 9.Ne4 Be4 10.d3 Bg6 11.Qd2 c6 12.0–0 a5 13.a3 ab4 14.ab4 Ra1 15.Ra1 Nf6 16.Nh4 Ne4 17.de4 Bh4 18.Bf3 Qb6? (18...f5 19.ef5 Bf5 20.e4 Bh3 21.Qd3–/+) 19.Bc3 (better is 19.Qd6!? Bf6 20.Be5 Be5 21.Qe5 Qb4 22.c5+/–) 19...Be7= 20.Ra5 f5 21.ef5 Rf5 (21...Bf5!? 22.b5 Bh3 23.bc6 bc6+=) 22.Qa2 e4?? (22...Rf7 23.Ra8 Bf8 24.Bg4+–) 23.Bg4 (better is 23.Rf5 c5 24.bc5+–) 23...Ra5+= 24.Qb2?? (better is 24.Qa5 Qd8 25.Qa7+=) 24...Ra8 25.Bg7 Kf7 26.Bh6 Bf6 27.Qb3 (27.Qd2 Qa6 28.Bf4 h5–+ (worse is 28...Qc4 29.Qd6 Be7 30.Qd7–+)) 27...Ra1 28.Kh2 Be5 29.g3 c5 30.b5 (30.Bf4 Qb4 31.Bd1 Bf4 32.Qb4 cb4 33.Bb3–+) 30...Qa5 31.Bf4 Qe1 (31...Qe1 32.Qd1 Rd1 33.Bd1 Qf2 34.Kh1 Qe1 35.Kg2 Qd2 36.Be2 Qe2 37.Kg1 Bf4 38.ef4 e3 39.f5 Qf2 40.Kh1 Bf5 41.g4 Be4#) 0–1. Rush,Bradley – Torfs,Gert, ZL–2012–0–01070, 2012.

8.Nh4 Be6=+ 9.0–0 Nb6–/+ 10.d3 h6 11.Nf3= Bg4 12.a4 a6 13.a5+= Nbd7 14.h3 Bh5 15.Qb3 c5 16.b5 ab5 17.Qb5+= Ne8 18.Nd5 Nc7 19.Nc7 Qc7+= 20.e4 Nb8 21.Bc3 Nc6 22.Rfb1 Bf3 23.Bf3+= Nd4? 24.Bd4+– cd4 25.Qb7 Qb7 26.Rb7 Bg5 27.a6 Rfb8 28.Rd7 Bf4 29.g3 Bd2 30.Rd6 Bc3 31.Ra2 Bb4 32.Rd7 Bc5 33.Rd5 Ba7 34.Re5 Rb6 35.Re7 Rb3 36.e5 Rd3 37.Ba8 Bc5 38.Re8 Kh7 39.Be4 (39.Be4 g6 40.Bd3+–) 1–0. Gross – Dreyer, tt Dt.Bank–FAG, 1986.

6.Be2 g6

7.0–0 Bg7 8.d3 0–0 9.Nbd2 c6 10.a3 Re8 11.e4 Be6 12.Ng5 Qe7 13.Ne6 Qe6 14.Nf3 d5 15.Ng5 Qe7 16.cd5 cd5 17.Rc1 d4 (17...Bh6 18.h4=) 18.Bg4 (18.f4 ef4 19.Qb3 Rac8+=) 18...Bh6 19.h4 (19.f4 Ng4 20.Qg4 Rac8=) 19...Rac8 (19...Ng4 20.Qg4 Qd6 21.Rce1=) 20.Rc8= Rc8 21.Qe2 (21.Bh3 b5+=) 21...Ne8 (21...Ng4 22.Qg4 Rc2 23.Rb1+=) 22.Rc1 (22.f4!?+=) 22...Rc1 23.Bc1 f6?? (better is 23...Ndf6 24.Bh3 Qc7=) 24.Qa2+– Kf8 (24...Kg7 25.Ne6 Kh8 26.Bh6+–) 25.Ne6 Kf7 (25...Kg8 26.Bh6 Kh8+–) 26.Nd8 Kg7+/– 27.Ne6 Kf7 28.Bh6 f5 29.ef5 gf5 30.Nd8 Kg6 31.Bg5 Nef6+– 32.Bf6 Kf6?? 33.Bf5! Kf5 34.Qf7 Qf7+/– 35.Nf7 Nb6 36.Nd6+– Ke6 37.Ne4 Nd7? 38.Ng5+– Kf5 39.Nh7 e4 40.de4 Ke4 41.Ng5 Kd3 42.Nf3 Kc3 43.h5 d3 44.h6 Nf6 45.g4! d2 46.Nd2! Kd2 47.g5 Nh7 48.g6 (48.g6 Nf6 49.h7 Nh7 50.gh7+–) 1–0. Fournier,Frederic (1790) – mapa1 (1755), rated blitz game (3/3), 2002.

7.Nc3 e4 8.Nd4+= c5 9.Nf5+/– cb4?? 10.Ne4+– gf5 11.Nf6 Nf6 12.Qa4 Ke7 13.Qb4 Bg7 14.Qb7 Ke6 15.g4 Rb8 16.gf5 Kf5 17.Qf7 Rb2 18.Bd3 (18...Kg5 19.Qg7 Kh5 20.Be2 Ng4 21.h3 Rb1 22.Rb1 Rf8 23.hg4#) 1–0. mrkt – Johnny_Dangerous, ChessWorld.net, 2004.

7.Nc3 Bg7 8.0–0 =.

7.Nc3 Bg7 8.d4 0–0 9.Nh4 Re8 10.Nf5+= gf5 11.0–0 Nf8 12.de5 de5 13.Qc2 e4 14.Rad1 Qe7 15.a3 Ng6 16.g3 Ne5 17.Nb5 Nfg4 18.h3+/– Nh6 19.Rd2 a6 20.Nd4 Rad8 21.Rfd1 Qg5 22.c5 Kh8 23.c6+– bc6 24.Nc6 Nc6 25.Bg7 Kg7 26.Qc6 Rd2 27.Rd2 Re6 28.Qc7 Qf6 29.Qc1 Ng8 30.Qb2 Ne7 31.Qf6 Kf6 32.Rd7 Nc6 33.Bc4 Ne5 34.Be6 Ke6 35.Ra7 Nf3 36.Kf1 Nd2 37.Ke2 Nb1 38.Ra6 Ke7 39.Kd1 Nc3 40.Kc2 Nd5 41.Ra5 Kd6 42.Rd5 Kd5 43.Kc3 f6 44.a4 h5 45.a5 (45.a5 Kd6 46.b5+–) 1–0. Bennett,Hilton Petrie – Charles,Gareth, Australian op, 1999.

7.d4 ed4 8.Nd4+= Be6 9.Ne6 fe6 10.Nc3 Bg7= 11.Ne4 e5 12.Nf6 Nf6 13.0–0 0–0 14.Qc2 c6 15.Rad1 Qc7 16.Rd2 Rad8 17.Rfd1 Qe7 18.b5 c5 19.Bf3+/– b6 20.Bd5 Kh8 21.a4 Ng4 22.h3 Nh6 23.e4 Nf7 24.a5 Ng5 25.Rd3 Rf4 26.Bc1 Rff8 27.Bg5 Qg5 28.ab6 ab6 29.Ra1 Rb8 30.Ra7 Rfd8 31.Rf3 ½–½. Reg_UK (2115) – leighcastle (1870), ChessWorld.net, 2003.

6.Be2 h6

7.0–0 Be7 8.a4 0–0 9.Qb3 c5 10.bc5 Nc5 11.Qd1 Qb6 12.Bc3 Nfe4 13.d3 Ng5 14.Ng5 Bg5 15.Qc2 Rfe8 16.Nd2 Qc7 17.e4 Bd7 18.Nf3 Bf6 19.Ne1 Ne6 20.Qd1 Nf4 21.g3 Ne2 22.Qe2 Bh3 23.Ng2 Rac8 24.Bd2 Qd7 25.Be3 Rc6 26.a5 (26.Ba7? b6–+) 26...Ra6 27.Rfb1 Qc7 Exerts pressure on the isolated pawn 28.Bd2 Bg2 (28...Be6!?=) 29.Kg2+= Bd8 30.Qg4 Kh8 31.f4 Bf6 32.Bc3 Rc6 33.Ra2 Qe7 34.Rf2 Rc7 35.Rb5 g6 36.f5 g5 37.Rfb2 Qd7 38.Qh5 Kh7 39.Bd2 Rg8 40.Qd1 Qc6 41.Be3 a6 42.Rb6 Qd7 43.Qb3 Kg7 44.Rb7 Rb7 45.Qb7 Qa4 46.Qb4 Qa1 47.Rb1 Qa2 48.Qb2 Qa5 49.Ra1 Qc7 50.Ra6 Rb8 51.Rb6 Ra8 52.Qb5 Ra2 53.Kh3 h5 54.Bg5 Bg5= 55.Rb7 Qd8 56.Qd5 Be7 57.c5 Ra5 58.d4 h4 59.de5+= Rc5 60.f6 Kg6 61.Qb3? Qc8–+ 62.Kh4?? Qh8 63.Kg4–+ Qh5 64.Kf4 Qe5 65.Kg4 Qe4 (65...Qe4 66.Kh3 Rh5) 0–1. Nemeth,Laszlo – Gaspar,Imre (2065), HUN–chT2 Erkel, 2008.

7.0–0 g5 8.d3 Rg8 9.e4 Bh7 10.h3 g4= 11.hg4 Ng4 12.Nh2 Nh2–/+ 13.Kh2 Qh4 14.Kg1 0–0–0 15.g3 f5 16.Kg2? fe4–+ 17.Rh1 Qf6 18.de4 Be4 19.Bf3 Bf3 20.Qf3 Qf3 21.Kf3–/+ Bg7 22.Nd2? e4!–+ (22...e4 23.Ke4 Bb2–+) 0–1. Trkn – TDG703, itsyourturn.com, 2000.

7.0–0 g5 8.d4 e4 9.Nfd2 g4 10.Nc3 a6 11.Qc2 Qe7 12.Rfb1 h5 13.b5 Nb6 14.ba6 Ra6? 15.c5!+– dc5 16.Ba6 ba6 17.Ba3 Nfd7 18.dc5 Nc5 19.Ne2 Nba4 20.Rb8 Kd7 21.Rd1 Kc6 22.Nd4 Kd5 23.Nf5 (23.Nf5 Kc6 24.Ne7 Be7 25.Rh8+–) 1–0. Trkn – guest7760, ICC, 2004.

7.d4 e4 8.Nh4 Bh7+= 9.g3 d5 10.c5 (10.Nc3 g5 11.Ng2 dc4 12.Bc4 Nb6 13.Qb3 Nc4 14.Qc4) 10...Be7 (10...g5 11.Ng2 Be7 12.Nc3 0–0 13.0–0 c6 14.b5) 11.Nc3 0–0 12.0–0 c6 (12...g5 13.Ng2 c6 14.b5) 13.Ng2 (13.b5 g5 14.Ng2) 13...Ne8 (13...b6 14.Nf4= 0.23 (14.Nb1=); 13...g5 14.b5) 14.a4 (14.b5+=) 14...Nc7 15.Qb3 Bf5 16.Rfb1 Ne6 17.b5 Ng5 18.Kh1 Nf3 19.Qd1 (19.a5 Nf6 20.a6 b6 21.bc6 Nd2=) 19...h5 (19...Nf6 20.Bf3 ef3 21.Ne1+=) 20.Rc1 (20.Ba3 Re8=) 20...g5 (20...Nf6!? 21.Bf3 ef3=) 21.Ne1= g4 22.Nf3 gf3–/+ 23.Bf1 h4 24.Na2? hg3–+ 25.fg3 Nf6 26.Qd2? Kg7 27.h4?? Qc7 28.Qe1 Rh8 29.Bc3 Ng4 30.bc6 Rh4!! 31.Kg1 Rah8 32.gh4 Qh2# 0–1. Kerlein,M – Garcia Sanchez,Jose Manuel, Filseck op 1st, 1997.

5.Nf3 Be7

6.a3 0–0 7.Be2 a5 8.0–0 ab4 9.ab4 Ra1 10.Ba1 Nc6 11.b5 Na5 =.

6.a3 a5 A) 7.d4 ab4 (7...e4 8.Nfd2 ab4 9.ab4 Ra1 10.Ba1 d5 11.Qa4 c6+=) 8.ab4 Ra1 9.Ba1 e4 10.Nfd2 d5 11.Qa4 c6+=; B) 7.b5 0–0 (7...Nbd7 8.Be2 0–0 9.d4 ed4 10.Nd4 Be6 11.0–0 Nc5=) 8.Be2 c6 9.Nc3 cb5 10.Nb5 Nc6 11.0–0 Na7=.

6.a3 Qd7 +=.

6.a4 c5 7.b5 (7.bc5 Nc6=) 7...a5 8.d3 0–0 9.Be2 Nbd7 10.0–0 Nb6 11.Nfd2 Qc7 12.Nb3 d5 13.N1d2 (13.cd5!? e4 14.de4 Be4 15.Nc3 Bd5 16.Nd5 Nfd5 17.Qd2=) 13...dc4= 14.Nc4 Nc4 15.dc4 Rfd8 16.Qc1 b6 17.Nd2 e4 18.Rd1 Bg4 19.Bf6 Be2 20.Be7 Qe7 21.Re1 Bd3 22.Qc3 Rd6 23.Rad1 Rad8 24.Nb3 Qe6 25.Rc1 Qg4 26.Nd2? (better is 26.Qe5!?–/+) 26...Rg6–+ 27.g3 Qh3 (27...Qh3 28.Qe5 Rh6–+) 0–1. Hal1958 – ABE, playchess.de, 2005.

6.a4 Nc6 7.b5 Na5 8.Be2 =.

6.Qb3 0–0 7.Be2 Nbd7 (7...Nc6 8.b5 Nb8 9.0–0=) 8.0–0= c5 (8...a5 9.ba5 Nc5 10.Qa3+=) 9.b5 (9.d4 cb4 10.de5 de5 11.Ne5 Qc7 12.Nd7 Nd7+=) 9...Nb6 (9...e4 10.Ne1+=) 10.a4 a5 11.Nc3 Re8 (11...Qc7 12.d4=) 12.d3 Qd7 13.h3 h6 (13...Rab8 14.Nh4=) 14.Rad1 (14.e4 Be6=) 14...e4 (14...Qe6 15.e4 Bg6 16.Nh4=) 15.de4+= Ne4 16.Ne4 Be4 17.Nd2 Bg6 18.Bf3 Bh4 (18...Qc7 19.e4+=) 19.Bd5 (19.Bc3!?+=) 19...Nd5= 20.cd5 b6 (20...Qe7 21.Rc1=) 21.Nc4 Rab8 (21...Qd8 22.f3+=) 22.g4 (22.f3 Bg3=) 22...h5 (22...f5 23.Qc2=) 23.f3 hg4 24.hg4 Qe7 (24...Bg5 25.e4=) 25.e4+= Bg5 (25...Rb7 26.Rc1=) 26.Rde1 (26.e5 de5 27.Be5 Rbd8=) 26...Bf6 (26...Bh4 27.Rc1=) 27.Re2 (27.Bf6 Qf6 28.Qb2 Qb2 29.Nb2 Kf8+/–) 27...Bb2 (27...Bh7 28.Rh2+=) 28.Qb2 Qh4 (28...f5 29.gf5 Bf5 30.Rh2+=) 29.Rh2+/– Qg3 30.Qg2 (30.Rg2 Qf4+/–) 30...Qf4 31.Qd2 ½–½. Van Esbroeck,Dirk – Leuschner,A, corr, 1994.

6.Qb3 Nbd7 7.Be2 +=.

6.b5 0–0 7.Be2 A) 7...Qd7 8.0–0 a6 9.Qa4 Bg4 10.d3 c6 11.Nc3 b6 12.h3 Bh5 13.bc6=; B) 7...a6 8.a4 (8.0–0 ab5 9.cb5 Re8 10.Nc3 Nbd7 11.d3 d5 12.Qc2 Bd6 13.e4+=; 8.Nc3 ab5 9.cb5 Nbd7 10.0–0 d5 11.d3 Bd6 12.Qc2 Re8 13.e4+=; 8.a3 ab5 9.cb5 c5 10.0–0 e4 11.Ne1 d5 12.d3 Qd6 13.Nc3+=) 8...ab5 9.ab5 Ra1 10.Ba1 Re8 11.0–0 c6 12.Nc3 c5 13.d4=; C) 7...Qe8 8.a4 (8.Nc3 a6 9.0–0 ab5 10.cb5 Qd7 11.d3 c5 12.a4 Ra5 13.Rc1=; 8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 c6 12.Nc3 Qd7 13.d4=) 8...c5 9.d3 a6 10.0–0 b6 11.Nfd2 Be6 12.Bf3 Ra7 13.Nc3=; D) 7...Re8 8.d3 (8.0–0 a6 9.a4 Nbd7 10.a5 ab5 11.cb5 c6 12.bc6 bc6 13.Bc3=; 8.Nc3 a6 9.0–0 ab5 10.cb5 Nbd7 11.d3 d5 12.Qc2 Ra5 13.e4+=) 8...a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nbd7 12.0–0 c6 13.Nc3=.

6.b5 a6 A) 7.d4 e4 8.Nfd2 (8.Qc2 ab5 9.cb5 0–0 10.Nfd2 d5 11.Nc3 Re8 12.a4 Bb4 13.h3+=; 8.Ng1 ab5 9.Qb3 c6 10.Nc3 Qa5 11.cb5 Be6 12.Bc4 Bc4 13.Qc4–/+) 8...ab5 9.cb5 0–0 10.Be2 d5 11.0–0 Nbd7 12.Nc3 Nb6 13.a4+=; B) 7.Nc3 B1) 7...Nbd7 8.ba6 (8.Be2 0–0 9.0–0 ab5 10.cb5 d5 11.d3 Bd6 12.Qc2 Re8 13.e4+=; 8.Nd5 0–0 9.Ne7 Qe7 10.d4 e4 11.Qc2 ab5 12.cb5 Nd5 13.a3+=; 8.d4 ab5 9.de5 de5 10.cb5 0–0 11.Bc4 e4 12.Nd4 Bg4 13.f3+=) 8...ba6 9.d3 0–0 10.Rb1 Rb8 11.Be2 Nc5 12.0–0 c6 13.e4=; B2) 7...0–0 8.a4 (8.d3 ab5 9.cb5 c6 10.e4 Bg4 11.Be2 cb5 12.Nb5 Qa5 13.Nc3+=; 8.Be2 ab5 9.cb5 Nbd7 10.0–0 Re8 11.d3 d5 12.Qc2 Bd6 13.e4+=; 8.ba6 Ra6 9.Be2 Nc6 10.d4 e4 11.Nd2 Qd7 12.0–0 Rfa8 13.Nd5=) 8...Nbd7 9.d4 Re8 10.Be2 ab5 11.ab5 Ra1 12.Qa1 Bg4 13.Qd1=; B3) 7...Qd7 8.d4 (8.Qa4 0–0 9.Be2 Qd8 10.0–0 Nbd7 11.d4 Nb6 12.Qb3 ab5 13.Qb5=; 8.Be2 ab5 9.cb5 0–0 10.0–0 c5 11.d3 Be6 12.Ng5 d5 13.Ne6=; 8.d3 0–0 9.Be2 ab5 10.cb5 c6 11.e4 Bg6 12.Nh4 d5 13.Ng6=) 8...e4 9.Nh4 Bg4 10.Qc2 ab5 11.h3 Bf5 12.Nb5 0–0 13.g4+=; B4) 7...ab5 8.cb5 (8.Qb3 Nbd7 9.d4 ed4 10.Nd4 Nc5 11.Qd1 Bg4 12.f3 b4 13.Nd5–/+; 8.Nb5 0–0 9.Be2 c6 10.Nc3 Nbd7 11.0–0 Qa5 12.d4 Rfe8 13.a3+=) 8...0–0 9.Be2 Nbd7 10.0–0 Re8 11.a4 Ra5 12.d3 d5 13.Nd5=; C) 7.Be2 C1) 7...0–0 8.a4 (8.0–0 ab5 9.cb5 Re8 10.Nc3 Nbd7 11.a4 c5 12.bc6 bc6 13.d4+=; 8.Nc3 ab5 9.cb5 Nbd7 10.0–0 d5 11.d3 Re8 12.Qc2 Ra5 13.e4+=; 8.d3 ab5 9.cb5 Be6 10.Nc3 Nd5 11.Nd5 Bd5 12.a4 c5 13.0–0=) 8...ab5 9.ab5 Ra1 10.Ba1 Nbd7 11.0–0 Nb6 12.Nc3 Be6 13.d4=; C2) 7...Nbd7 8.a4 (8.ba6 ba6 9.0–0 Rb8 10.Bc3 0–0 11.d3 c6 12.Nbd2 Qc7 13.e4+=; 8.d3 ab5 9.cb5 0–0 10.0–0 c5 11.bc6 bc6 12.Nbd2 Qc7 13.Qc2=; 8.0–0 ab5 9.cb5 0–0 10.a4 c5 11.bc6 bc6 12.d4 Qc7 13.de5=) 8...0–0 9.0–0 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.Nc3 Be6 13.d4=; C3) 7...c5 8.bc6 Nc6 9.0–0 Qb6 10.Qb3 Qc7 11.d3 0–0 12.Nc3 Rfc8 13.Rab1=; C4) 7...ab5 8.cb5 0–0 9.0–0 Re8 10.d3 Nbd7 11.a4 c6 12.Nbd2 c5 13.e4=.

6.b5 c6 7.Be2 A) 7...0–0 8.0–0 (8.Nc3 cb5 9.cb5 Qa5 10.d4 e4 11.Nd2 Rc8 12.Nb3 Qb6 13.d5=; 8.d4 e4 9.Nfd2 d5 10.Qb3 cb5 11.Qb5 b6 12.Ba3 Ba3 13.Na3=; 8.a4 a6 9.0–0 ab5 10.ab5 Ra1 11.Ba1 cb5 12.cb5 Qc7 13.Nc3=) 8...cb5 9.cb5 Nbd7 10.Nc3 Rc8 11.d3 d5 12.Nd5 Nd5 13.e4=; B) 7...cb5 8.cb5 0–0 9.0–0 Nbd7 10.Nc3 Rc8 11.d3 d5 12.Nd5 Nd5 13.e4=; C) 7...Nbd7 8.a4 (8.0–0 cb5 9.cb5 Rc8 10.Nc3 0–0 11.d3 d5 12.Nd5 Nd5 13.e4=) 8...0–0 9.0–0 Qc7 10.Nc3 a6 11.d4 Rfe8 12.Nh4 Be6 13.d5=; D) 7...a6 8.bc6 (8.d4 e4 9.Nfd2 ab5 10.cb5 0–0 11.0–0 d5 12.Qb3 Qd6 13.a4+=; 8.0–0 ab5 9.cb5 0–0 10.Nc3 Qb6 11.d4 e4 12.Nd2 d5 13.f3=; 8.Nc3 ab5 9.cb5 0–0 10.0–0 Qb6 11.Nh4 Be6 12.Qc2 d5 13.Nf5+=) 8...bc6 9.d4 e4 10.Nfd2 Qb6 11.Nb3 a5 12.g4 Bg6 13.c5=.

6.Nc3 0–0 7.Be2 Re8 (7...Nc6 8.b5 Nb8 9.0–0=) 8.0–0= Bf8 (8...a6 9.d4=) 9.d4 e4 10.Nd2 d5 11.c5 (11.Qb3 Be6=) 11...c6 (11...a6 12.a4=) 12.Re1 (12.b5 Be7=) 12...h6 (12...Be7 13.a4=) 13.Nf1 (13.b5 cb5 14.Bb5 Nc6=) 13...Nh7 (13...Be7 14.Ng3 Be6 15.a4=) 14.Ng3 Be6 15.b5 f5 (15...Nf6 16.Qa4+=) 16.Nh5 (16.Qb3 Qd7+=) 16...Qh4 (16...cb5 17.Bb5 Nc6 18.Nf4+=) 17.Nf4+/– Bf7 18.Bh5 (18.Rb1 Rd8+/–) 18...Qf6 (18...Nf6 19.bc6 bc6 20.Bf7 Kf7 21.Qe2+=) 19.Bf7 (19.bc6 bc6 20.Be2 Nd7+=) 19...Kf7 (19...Qf7 20.Qh5+=) 20.a4 (20.Qb3 Rd8+=) 20...g6 (20...Nd7 21.a5+=) 21.Qb3+/– Kg7? (better is 21...Rd8!?+/–) 22.bc6+– Qc6 23.Qd5 (23.Ncd5 Qd7+–) 23...Nf6 24.Qc6 (24.Qb3 Nbd7+–) 24...Nc6 (24...bc6 25.Reb1+/–) 25.Ncd5 (25.d5!? Ne5+–) 25...Nd5 26.Nd5 Rad8 27.Nc7 Re7 28.d5 Ne5?? (28...Kf7 29.d6 Red7 30.a5+/–) 29.Ne6 (better is 29.d6 Red7 30.Be5 Kf7 31.Red1+–) 29...Re6 30.de6 Kf6 31.Be5 (31.Rad1 Rd1 32.Rd1 Ke6+/–) 31...Ke5 32.Red1 Rd1 33.Rd1 Bc5 34.Rd7 Ke6 35.Rb7 h5 (35...a5 36.Kf1+–) 36.Kf1 (36.a5 g5+–) 36...Ke5 (36...g5 37.Rc7 Kd5 38.Rg7+–) 37.Ke2 (37.Rc7 Kd5+–) 37...f4 (37...h4 38.f4 ef3 39.gf3+–) 38.ef4 (38.Rc7 Bb6 39.Re7 Kf5 40.Rf7 Ke5+–) 38...Kf4 39.Rf7 (39.Rb5!? Bb6+–) 39...Ke5 40.h3 (40.h4 Bd4+–) 40...Ke6 (better is 40...h4+–) 41.Rc7 Bd4 42.Rc8 (42.Rc6 Kf5+–) 42...Bb6 (42...h4+–) 43.g4 hg4 (43...Ke5 44.gh5 gh5 45.Rh8+–) 44.hg4 g5 (44...Ke5 45.Rg8+–) 45.f3 (45.Re8!? Kd5+–) 45...ef3 46.Kf3 Ke5 (46...Ba5 47.Rc5 Bd8 48.Ke4+–) 47.Re8 (47.Rc6 Kd5 48.Rg6 Bd8+–) 47...Kf6 48.Ke4 Bg1 49.Rf8 (49.Rc8 Bh2+–) 49...Kg6 50.Kd5 (50.Rc8 Bh2+–) 50...Kg7 (50...Bb6 51.Rc8 Kf7 52.Ke5+–) 51.Rf5 Kg6 52.Kc6 Bb6 53.Kb5 Be3 54.Ka6 Bb6 55.Rf8 (55.Rf8 Be3 56.Ra8+–) 1–0. Skaug,Thorbjorn – Jansson,Helge, Hostturnering NOR, 2002.

6.Nc3 Nbd7 7.d4 Bg4 8.Be2 c6 9.de5 (9.0–0 e4 10.Nd2 (10.Ng5 Be2 11.Qe2 d5 12.a3 Qb8 13.cd5 cd5 14.f3 Bd6 15.g3 h6 16.Nh3 a5+=) 10...Be2 11.Qe2 d5 12.a3 Bd6 13.cd5 cd5 14.f3 a5 15.fe4 de4 16.Nb5 Qb8+=; 9.a3 e4 10.Nd2 (10.Nh4 Be2 11.Qe2 0–0 12.Nf5 d5 13.cd5 cd5 14.0–0 Re8 15.f3 a5 16.fe4 de4=) 10...Be2 11.Qe2 a5 12.Nde4 Ne4 13.Ne4 ab4 14.0–0 d5 15.Nc5 Nc5 16.dc5 ba3+=; 9.h3 Bf5 10.a3 (10.0–0 0–0 11.a3 Re8 12.Nh4 Be6 13.Nf3 e4 14.Ng5 Bf5 15.f3 ef3 16.Nf3 d5=; 10.g4 Bg6 11.Nh4 ed4 12.Ng6 fg6 13.Qd4 c5 14.bc5 Nc5 15.0–0 0–0 16.Bf3 Ne8+=) 10...0–0 11.0–0 a5 12.b5 Rc8 13.Rc1 e4 14.Nd2 c5 15.d5 Qc7 16.Qc2 Bg6+/–; 9.Qc2 a5 10.ba5 Qa5 (10...0–0 11.a6 Ra6 12.0–0 Qc7 13.h3 Bh5 14.Rfb1 Re8 15.c5 ed4 16.cd6 Bd6=) 11.0–0 0–0 12.Rfd1 Rfe8 13.e4 Nb6 14.de5 de5 15.Nd2 Be2 16.Ne2 Bc5+=) 9...de5 (worse is 9...Ne5 10.Ne5 Be2 11.Nc6 Bd1 12.Nd8+= Bg4 13.Nb7 Rb8 14.h3 Rb7 15.hg4 Rb4 16.Rb1 0–0+=) 10.a3 Qc7 (10...a5 11.b5 0–0 12.0–0 Qc7 13.Qc2 Rfd8 14.Rfd1 Rac8 15.Rac1 Bh5 16.bc6 bc6=) 11.Qc2 (11.0–0 0–0 12.Qc2 Rfd8 13.Rfd1 a5 14.c5 ab4 15.ab4 Ra1 16.Ra1 b6=) 11...Nb6 (11...a5 12.b5= 0–0 13.0–0 Rfd8 14.Rfd1 Rac8 15.Rac1 cb5 16.cb5 Bd6=) 12.Nd2 (12.Ne4 Nfd7 13.0–0 a5 14.c5 Nd5 15.Rfd1 ab4 16.ab4 Ra1+=) 12...Be2 13.Ne2 0–0 (13...c5 14.b5 a6 15.0–0 0–0 16.Rfd1 ab5=) 14.Ng3 (14.0–0 c5 15.b5 Rfd8 16.Rfd1 a6=) 14...a5 (14...c5 15.Qf5 cb4 16.Be5 Qc6=) 15.Qb3 (15.c5 Nbd5 16.e4 Nf4+=) 15...ab4+= 16.ab4 Ra1 (16...c5+=) 17.Ba1 Rd8 18.Bc3 Rd3 19.0–0 Qd7 20.Nge4 (better is 20.Qc2!?+=) 20...Ne4+= 21.Ne4 f5 22.Ng3 (22.Nc5 Bc5 23.bc5 Nc8=) 22...g6 (better is 22...Qe6!?–/+) 23.c5= Nd5 24.Rd1 Rd1 25.Qd1 Qe6 26.Ne2?? (26.Qb3 f4 27.Nf1 Qf5=) 26...Kf7?? (better is 26...Nc3 27.Nc3 Qc4–+) 27.Bb2?? (better is 27.Qe1=) 27...Bf6 ½–½. Trip,R – de Vries,H, Barneveld, 2000.

6.Nc3 Bg4 7.Be2 Nbd7 (7...0–0 8.0–0+=) 8.h3 (8.Qc2 a5 9.b5 0–0=) 8...Bh5 (8...Bf5 9.d4 h6 10.0–0+=) 9.0–0 h6 10.g4 (10.Qc2 0–0+=) 10...Bg6 11.Nh4 Bh7 12.Nf5 Bf5 13.gf5 Nh7 (13...0–0 14.Qc2+=) 14.Bf3 c6 15.b5 Ng5 (15...Rc8 16.Rb1+/–) 16.Bg2+/– Qc7 17.f4 Nh7 18.fe5 Ne5 (18...de5!? 19.bc6 bc6+=) 19.bc6+– bc6 20.d4 Nc4 (20...Rb8 A) 21.de5?! Rb2 22.Qa4 A1) 22...de5? 23.Bc6 (23.Qc6?! Qc6 24.Bc6 Kd8+–) 23...Kf8 24.Rfb1 Rb1 25.Rb1+– (25.Nb1? e4 26.Kf1 Bf6–+); A2) 22...0–0=; B) 21.Qe2 Nd7 22.d5+–) 21.Qa4+– Nb6 22.Qc6 (22.Bc6?! Kd8 23.Nd5 Na4 24.Nc7 Rb8+=) 22...Qc6 (22...Qd7 23.Qd7 Kd7 24.Ba8 Ra8+–) 23.Bc6 Kd8 24.Ba8 Na8 25.Rab1 Ng5? (25...Nb6+–) 26.h4 Nh7 27.Ba3 Nb6 28.Nb5 Bh4 (28...Kd7 29.Rfc1 Rd8 30.Rc7 Ke8 31.Ra7+– (worse is 31.Na7 Nd5 32.Rcb7 Bh4+–)) 29.Nd6 (worse is 29.Na7 Kc7 30.Rfc1 Kb7+–) 29...Kd7 30.Nf7 Rc8 31.Ne5 Ke8 (31...Kd8 32.Bc5+–) 32.Rfc1 Rc1 33.Rc1 Bg5 (33...Bd8 34.e4+–) 34.Rc7 1–0. miec – hakia, internet, 2009.

6.Nc3 h6 7.Be2 Nbd7 8.0–0 0–0 9.d4 ed4 (9...e4 10.Nd2=) 10.Nd4+= Bg6 11.f4 (11.a3 a5+=) 11...Ne4 (11...c5 12.bc5 dc5 13.Nb3=) 12.Ne4 (12.Bf3 Nc3 13.Bc3 c5 14.bc5 dc5+=) 12...Be4 13.Bf3 Bf3 14.Rf3 (14.Qf3 Bf6 15.Qb7 Qe8 16.Qc7 Qe3 17.Kh1 Bd4+=) 14...Bf6= 15.Qc2 Bd4 (15...a5 16.b5=) 16.Bd4 c5 17.bc5 dc5 (worse is 17...Nc5 18.Qb2 f6 19.Bc5 dc5 20.Qb7+/–) 18.Bc3 Qe7 (18...f6 19.Qe4=) 19.Rb1 (19.Qb2 Nf6+=) 19...b6 20.e4 Nf6 21.e5 Nd7 22.Re1 Rfe8 (better is 22...Qe6!?+=) 23.Rg3 Nf8 24.f5 Qh4 (better is 24...g6+/–) 25.e6+– f6 (25...g6+–) 26.Re4 Qh5 (26...Qg3 27.hg3 Re7 28.a4+–) 27.Bf6 Ne6 (27...Ng6 28.Rg6 (28.fg6?! gf6 29.e7 f5+–) 28...Qg6 29.fg6 gf6 30.Qd2 Rad8 31.Qh6 Rd7 32.ed7 Re4 33.d8Q Re8 34.Qe8) 28.fe6 (28.fe6 Rad8 29.Rg7 Kf8 30.g4+–) 1–0. pcmvr – salas (2170), net–chess.com, 2009.

6.d3 a5 7.b5 A) 7...0–0 8.Nc3 (8.Be2 Re8 9.Nc3 Bg4 10.h3 Be6 11.0–0 c6 12.d4=) 8...Be6 9.Be2 Re8 10.0–0 Bg4 11.h3 Bc8 12.d4+=; B) 7...Nbd7 8.Nc3 (8.Be2 0–0 9.d4 ed4 10.Nd4 Bg6 11.Nc3 Re8 12.0–0=; 8.a4 0–0 9.Be2 Re8 10.0–0 Nc5 11.d4 ed4 12.Nd4=) 8...0–0 9.Be2 Nb6 10.d4 a4 11.a3 Qe8 12.0–0+=; C) 7...a4 8.a3 c6 9.Nc3 0–0 10.Be2 cb5 11.Nb5 Nbd7 12.d4=.

6.d3 Bg6 7.Nbd2 Nbd7 8.a3 0–0 9.Be2 h6 10.0–0 Re8 11.e4 Nf8 12.Qb3 Ne6 13.h3 Nf4 14.Bd1 Qd7 15.c5 N6h5 (worse is 15...dc5 16.Ne5 Qc8 17.Ng6 Ng6 18.bc5 Bc5 19.Bf6 gf6 20.Bh5+/–) 16.cd6 cd6 17.Rc1 Nh3 (17...Nf6!?=) 18.gh3+= Qh3 19.Nh2 Nf4 20.Bf3 Bg5 21.d4 (21.Rc2 Bh5 22.d4 ed4+=) 21...Bh5 (21...Qh4!? 22.Qc2 Nh3 23.Kg2 Bd2 24.Qd2 Ng5=) 22.Bh1?? (better is 22.Rc2+=) 22…Ne2 0–1. Fournier,Frederic (1850) – Montyfull1 (1875), Active (3/3), 2005.

6.d4 Bb1 7.Rb1= Nbd7 8.Be2 a5 9.b5 0–0 10.0–0 c5? 11.de5+– de5 12.Ne5 Qc7 13.f4 1–0. michaelbuss – golly1, ChessWorld.net, 2007.

6.Be2 0–0 (--> 1.b4 e5 2.Bb2 d6 3.c4 Nf6 4.e3 Be7 5.Nf3 0–0 6.Be2 Bf5).

6.Be2 c5 7.bc5 Nc6 8.cd6 Bd6 9.0–0 0–0 10.d4 Bb1? (10...e4!? 11.Nh4 Bd7+=) 11.Rb1 (11.de5 Be5 12.Be5 Be4 13.Qd8 Rfd8 14.Bf6 gf6+/–) 11...ed4 (11...e4 12.Nd2 Qc7 13.g3+/–) 12.ed4 Qc7 (12...Rc8 13.d5 Na5 14.Qa4+/–) 13.Qd2 (13.c5 Be7+–) 13...Rad8 (13...Rfe8 14.Bd3+/–) 14.Bd3 (14.d5 Rfe8 15.Bf6 gf6+–) 14...Bf4 (14...Ng4 15.g3 Nb4+/–) 15.Qc3+= Ne7? (better is 15...Nd4!? 16.Nd4 Bh2 17.Kh1 Be5+=) 16.Rfe1 (16.d5 Nh5+–) 16...Nc6 (better is 16...Rfe8!?+–) 17.d5 Nb8 18.Qc2 (18.g3 Bd6 19.Ng5 Nbd7 20.Bh7 Kh8+–) 18...Nbd7 19.Re7 Bd6 (19...Qd6 20.Bf6 Qf6 21.Re2+–) 20.Bf6 Be7 (20...gf6 21.Bh7 Kh8+–) 21.Be7 1–0. algernon (2550) – robertosalas (2540), net–chess.com, 2003.

6.Be2 Nbd7 (--> 5.Nf3 Nbd7 6.Be2 Be7 ).

6.b5 Nbd7

7.d4 e4 8.Nfd2 (8.Qc2 a6 9.ba6 Ra6 10.Nc3 Rb6 11.Nd2 Qa8 12.Rb1 Rc6 13.d5+=; 8.Nh4 Be6 9.d5 Bg4 10.Be2 Ne5 11.Be5 Be2 12.Qe2 de5 13.Qb2=) 8...c6 (8...a6 9.ba6 ba6 10.Nc3 Rb8 11.Rb1 c5 12.d5 Qa5 13.Nb3=) 9.Nc3 cb5 (9...0–0 10.Be2 cb5 11.cb5 d5 12.f3 Bd6 13.fe4=) 10.cb5 d5 (10...0–0 11.d5 Nb6 12.Rc1 Rc8 13.Nb3=) 11.Qb3 (11.Be2 Rc8 12.0–0 Qb6 13.Rc1=) 11...Be6 12.Be2 (12.Rc1 Rc8 13.Ba3=) 12...Rc8 13.0–0 (13.Ba3=) 13...0–0 14.Ba3 Nb6 15.Rfc1 Re8 16.Na4 Ba3 17.Qa3 Na4 18.Rc8 Bc8 19.Qa4 Qb6 20.Nb3 Bg4 21.Bg4 Ng4 22.h3 Nf6 23.Rc1 h6 24.Qa5 Re6 25.a4 a6 26.Rc7 ab5 27.Qb6 Rb6 28.a5 Ra6 29.Rb7 Kf8 30.Rb5 Ke7 31.Nc5 Ra8? (better is 31...Ra7+–) 32.Rb7 Ke8 (32...Kd6 33.a6 Ne8 34.Rf7 Kc6+–) 33.a6 Kf8 34.a7 Ne8 35.Nd7 Kg8 36.Nb6 Rd8 (36...Ra7 37.Ra7 Nf6+–) 37.Rb8 Rd6 38.a8Q Kh7 39.Re8 Rb6 40.Qd5 Rb1 41.Kh2 (41.Kh2 Rb7 42.Qf5 g6 43.Qf6 Rb1 44.Qf7) 1–0. Zahn,R (2070) – Schicktanz,Florian, Recklinghaeuser Open, 2011.

7.Be2 A) 7...0–0 8.d4 (8.0–0 a6 9.a4 ab5 10.ab5 Ra1 11.Ba1 Nb6 12.Nc3 Be6 13.d4=; 8.d3 a6 9.0–0 ab5 10.cb5 Ra5 11.a4 Qa8 12.Bc3 Ra7 13.a5=; 8.Nc3 a6 9.0–0 ab5 10.cb5 d5 11.d3 Re8 12.Qc2 Ra5 13.e4+=) 8...ed4 9.Nd4 Be6 10.0–0 a6 11.a4 Nc5 12.a5 d5 13.Nc3=; B) 7...Nb6 8.d4 (8.Nc3 0–0 9.0–0 Be6 10.d3 a6 11.Ng5 ab5 12.Ne6 fe6 13.cb5=; 8.0–0 0–0 9.Nc3 Re8 10.a4 a6 11.c5 Nbd7 12.d4 ab5 13.cd6=; 8.Na3 0–0 9.0–0 Re8 10.c5 Nbd5 11.d3 e4 12.cd6 Bd6 13.de4=) 8...e4 9.Nfd2 Qd7 10.a4 a5 11.Qc2 d5 12.c5 Nc8 13.0–0=; C) 7...c6 8.a4 (8.0–0 cb5 9.cb5 Rc8 10.Nc3 0–0 11.d3 d5 12.Nd5 Nd5 13.e4=) 8...0–0 9.0–0 a6 10.Nc3 ab5 11.ab5 Ra1 12.Qa1 Bg4 13.Qa7=; D) 7...a6 8.d3 (8.ba6 ba6 9.0–0 Rb8 10.Bc3 Ne4 11.Qa4 Rb6 12.d3 Nc3 13.Nc3=; 8.0–0 ab5 9.cb5 0–0 10.d3 c5 11.bc6 bc6 12.Nbd2 Qc7 13.Qc2=; 8.Nc3 ab5 9.cb5 0–0 10.0–0 Re8 11.d3 d5 12.Qc2 Bd6 13.e4+=) 8...ab5 9.cb5 0–0 10.0–0 Ra5 11.a4 Re8 12.Bc3 Ra7 13.a5=.

6.Nc3 Nc6

7.b5!? Nb8 8.d4 =.

7.Nd5!? =+.

7.Be2 Nb4–/+ 8.d3 0–0 9.0–0 b6 10.e4 Be6 11.d4 ed4 12.Nd4 Na6 (12...c5!? 13.Nf5 Re8+=) 13.Nc6= Qd7 14.Nd5 Nd5? (better is 14...Bd5 15.cd5 Nc5=) 15.cd5+– (15.ed5?! Bf5=) 15...Nc5 16.Bb5 Ne4 (16...a6!? 17.de6 fe6 18.Ne7 Qe7+/–) 17.Nd4+– Qc8 18.de6 fe6 19.Qg4 Nf6 20.Qe6 Qe6 21.Ne6 Rf7 (21...Rfc8 22.Rae1+–) 22.Nc7 Rc8 23.Rac1 d5 (23...Bf8 24.Ne6 Rc1 25.Rc1+–) 24.Nd5! Rc1 (24...Nd5 25.Rc8 Discovered attack) 25.Ne7 (25.Rc1?! Nd5 26.Bc4 Nf4 27.Bf7 Kf7+–; 25.Bc1?! Nd5 26.Bc4 Nf6+–) 25...Re7 26.Rc1 Nd5 (26...h6+–) 27.Bc4 Rd7 28.Rd1 Kf8 29.Bd5 g6 30.f4 Ke7 31.Kf2 Rc7 32.Re1 Kd6 (32...Kd7 33.Be4+–) 33.Be5 Kd5 34.Bc7 1–0. pierre – oppoquttab, internet, 2010.

7.Be2 Nb4–/+ 8.d3 e4 9.Nd4 ed3 10.Nf5 de2 11.Ne2 (11.Ng7? Kf8 12.Ne2 Kg7–+) 11...0–0 12.Rb1 Ne4?? (better is 12...Nc6+=) 13.Bg7+– Re8 (13...c5 14.f3 Nf6+–) 14.Rb4 f6 (14...Bf6 15.Bf6 Qf6+–) 15.Qd5 1–0. pierre – oppokh, internet, 2010.

6.d3 0–0

7.Nbd2 a6 8.e4 Bg6 9.Be2 Nc6 10.a3 Re8 11.0–0 Nd4? (better is 11...h6=) 12.Nd4+– ed4 13.Bd4 c6 14.Bb2 d5 15.ed5 cd5 16.Re1 dc4 17.dc4 Bd6 18.Nf3 Be4 19.c5 Bf3 (better is 19...Bf4+–) 20.Bf3 (20.cd6?! Re2 21.Re2 Be2 22.Qe2 Qd6+=; 20.gf3?! Be5 21.Qd8 Rad8 (21...Red8?? 22.Be5 Nd7 23.f4+–) 22.Be5 Re5+/–) 20...Re1 21.Qe1 Bf4 22.g3 Bh6 (22...Bd2 23.Qe2 Qd7 24.Bf6 gf6 25.Rd1+–) 23.Bb7 Rb8 24.Ba6 Ra8 25.Bb7 Ra7 26.Bg2 Re7 27.Qd1 Rd7 28.Qc2 Rd2 29.Qc1 Ng4 30.f4?? Qd3= 31.Bc3?? Rc2 32.Qe1+= Re2 33.Qe2 Qe2 34.Re1 Qf2 35.Kh1 f5 36.c6? Qb6?? 37.a4?? g6 38.h3?? Nf6?? 39.Bf6 Bg7 40.Bg7 Kg7+– 41.b5 Kf7 42.Kh2 Qa5 43.Rd1 Ke7 44.Rd7 Ke8 45.Rh7 Qa4 46.c7 Qb5 47.c8Q 1–0. Fournier,Frederic (1710) – jorantru, Active, 2009.

7.Be2 c5 8.b5 Nbd7 9.a4 d5 (9...a6 10.Nbd2=) 10.Nbd2 (10.cd5!? Bg4 11.e4+=) 10...e4+= 11.de4 de4 12.Ng1 Ne5?? (better is 12...Qa5 13.g4 Be6=) 13.Nb3?? (better is 13.Be5 Nd7 14.Bc3+–) 13...Qc7–/+ 14.Qc2 Rad8 15.Nh3 Nd3 16.Bd3 ed3 (16...Rd3?! 17.Nf4 Rd7 18.Rb1+=) 17.Qd2? (better is 17.Qc3 Bd6 18.Nd2–+) 17...Ne4–+ 18.Qa5 (18.Qd1 Bh3 19.gh3 d2 20.Ke2–+) 18…b6 (18...b6 19.Qa6 Bc8 20.Qc8 Qc8–+) 0–1. Fournier,Frederic (1765) – vaquerito (1650), Active, 2007.

7.Be2 Qd7 8.0–0 (8.Nc3 a6 9.0–0 Nc6 10.a3 Rfe8 11.Nd5 Be6 12.Ne7=) 8...a6 9.e4 Be6 10.Nbd2 Nc6 11.a3 Rfe8 12.Re1 =.

7.Be2 Nbd7 8.0–0 Bg4 9.h3 Bh5 10.Nc3 c6 11.Nd2 Be2 12.Ne2 d5 13.Qb3 Qb6 14.c5 Qc7 15.Rac1 a5 16.a3 ab4 17.ab4 b5 18.Ra1 Rfe8 19.Qc3 Bf8 20.Ra3 Ra3 21.Qa3 Nb8 22.Ra1 Nfd7 23.Nb3 f6 (23...Qd8 24.e4 Nf6 25.Ng3=) 24.Qa8 Rc8 25.Ra7 Qd8 26.Qb7 h6 27.Na5 Kh8 28.d4 Kg8 29.Bc3 Kh8 30.Ng3 g6?? (better is 30...e4+/–) 31.de5+– 1–0. Damasceno,Marlos A (2175) – Matozo,Paulo Adriano (2040), Brasilia Taca BCX op, 2006.

7.Be2 Nbd7 8.Nbd2 c6 9.0–0 a5 10.a3 ab4 11.ab4 Qb6 12.Qb3 Be6 13.Ra8 Ra8 14.Ra1 Ra1 15.Ba1 d5 16.c5 Qa6 17.Qb2 (17.Be5? Ne5 18.Ne5 Qa1 19.Qd1 Qe5–+) 17...e4 18.Ne1 Bf5 (18...Ne8 19.Nb3 Bf6 20.Nd4=) 19.Qc3 (19.Ne4 b6 20.Nd6+=) 19...ed3 20.Bd3 Bd3 21.Nd3 (21.Qd3?? Qa1 22.Qb1 Qc3–+) 21...Qa2 22.Nc1 Qa4 23.g3 Bf8 24.Qb3?? (better is 24.Ncb3+=) 24...Qa1–+ 25.Qc2 Ne4! 26.Ne4 de4 27.Kg2 Nf6 28.Nb3 Qe5 29.Nd4 Nd5 30.Qa4 Nc3 31.Qa7 Qc7 32.Qa3 Nd5 33.Qb3 h5 34.h4 Qd7 35.Qb1 Qg4 36.b5 g5 37.hg5 h4 38.bc6 bc6 39.Nc6 Ne3! 40.fe3 Qg3 41.Kf1 Qf3 42.Kg1 Bc5 43.Nd4 Qe3 44.Kf1 Bd4 45.Qb8 Kg7 (45...Kg7 46.Kg2 Qg5 47.Kf1 Qg1 48.Ke2 Qf2 49.Kd1 e3 50.Qb4 e2 51.Kc2 e1Q 52.Kb3 Qb2 53.Kc4 Qbb4 54.Kd5 Qe6) 0–1. Fournier,Frederic (1790) – kakazinho2006, Active, 2006.

7.Be2 Re8 8.0–0 (8.e4 Bg4 9.0–0 Nbd7 10.Nbd2 c5 11.a3 Qb6 12.Qa4=; 8.Nbd2 a5 9.b5 Nbd7 10.0–0 Nc5 11.e4 Bg4 12.Ne1=) 8...Nbd7 9.Nbd2 a5 10.a3 Bg4 11.e4 ab4 12.ab4 =.

6.d3 Nbd7

7.Nc3 h6 8.Be2 d5 9.cd5 Nd5?? (better is 9...Bb4 10.e4 Bg4+=) 10.Nd5+– c6 11.Ne7 Qe7 12.a3 Rd8 13.0–0 0–0 14.e4 Bg6 15.Qb3 Kh8 16.Rad1 1–0. Fournier,Frederic – Guest545270, Partie amicale, 2m + 8s, 2008.

7.Nbd2 c5 8.b5 a6 9.a4 ab5 10.ab5 Ra1 11.Qa1 0–0 12.Be2 d5 (12...Qc7 13.e4 Bg4 14.h3 Bf3 15.Nf3=) 13.0–0 (13.Ne5!? Re8 14.Nd7 Qd7 15.cd5 Nd5 16.Bg7+=) 13...d4 14.e4 Bg4 15.h3 Bh5 16.Re1 Nb6 (16...Qc7!?=) 17.Ne5 Be2 18.Re2 Qc7 19.Nef3 Nh5 20.Re1 Nf4 21.Qb1 Qd6 22.Nf1 Qg6 23.Ng3 Na4 24.Bc1 Nc3 25.Qc2 Bg5? (better is 25...Bd6+/–) 26.Ng5+– Qg5 27.Qd2 Nce2 28.Re2 Ne2 29.Ne2 Qd2 30.Bd2 Ra8 31.g3?? (better is 31.Nc1+–) 31...Ra2= 32.Kf1 Rd2–/+ 33.Nf4 Rd1 34.Ke2 Rh1 35.h4 h6 36.Nd5 g5 37.hg5 hg5 38.Nf6 Kg7 39.Nd7 Kg6 40.Nc5+– b6 41.Nd7 f5 42.ef5 Kf5+/– 43.Nb6 Rc1 44.Nd5+– Rc2 45.Ke1 Rc1 46.Kd2 Rf1 47.Ke2 Rc1?! 48.Kd2 Rf1 49.Ke2 Rc1 50.Kf3 g4 51.Kg2 Rc2? 52.b6 Rb2 53.c5 Ke6 54.Nf4 Kd7 55.Ng6 Kc6 56.Ne5 Kc5 57.Ng4 Kb6 58.Nf6 Kc5 59.Ne4 (59.Ne4 Kd5 60.Ng5=) 1–0. Fournier,Frederic (1695) – goyo44 (1685), Active, 2007.

6.d3 e4

7.Nd4 Qd7 8.f3 (8.Nf5 Qf5 9.de4 Ne4 10.Qc2 Bh4 11.g3 Ng3 12.Qf5=) 8...ed3 (8...d5 9.cd5 Bb4 10.Nd2 Bd2 11.Kd2 ed3 12.Qb3+=) 9.e4 (9.Nf5 Qf5 10.Qd3 Qd3 11.Bd3 Nc6 12.a3=) 9...Bg6 (9...Be6 10.Ne6 Qe6 11.Bd3= Nc6 12.a3=) 10.Bd3+= 0–0 (10...Nc6 11.Nc6 Qc6 12.Bd4=) 11.a3 (11.0–0 c5 12.Nc2+=) 11...Nc6 12.0–0 Nd4 13.Bd4 b6 (13...a5 14.b5=) 14.b5 Rfe8 15.Re1 Rac8 16.Qc2 Nh5 17.Nd2 (17.Nc3 Bf6 18.Bf6 Nf6+=) 17...Bf6 18.Bf6 Nf6 19.Rad1 Nh5 (19...Qe6 20.Nb3=) 20.Nf1 Qe7 (20...a6 21.Ne3+=) 21.g3 (21.Ne3 Qe5+=) 21...Qg5 22.Qf2 (22.Qd2 Qc5 23.Qe3 Qa3+=) 22...f5 (22...Nf6 23.Ne3=) 23.h4 (23.ef5 Bf5 24.Bf5 Qf5+=) 23...Qf6= 24.ef5 Bf5 25.Ne3 Bd3 26.Rd3 Qg6 27.Rd2? (better is 27.Rd4!?=) 27...Ng3–/+ 28.Ng2? (better is 28.Qg2!? Qh6 29.Kf2–/+) 28...Re1–+ 29.Qe1 Re8 30.Qd1 Nf5 31.Kf1 Qf6 32.f4 Ne3 (32...Nh4!? 33.Re2 Rf8 34.Qd5 Kh8 35.Qe6–+) 33.Ne3 Qf4 (33...Qf4 34.Rf2 Qe3 35.Qd5 Kh8–+) 0–1. Bonnet,Jean – Mallard, corr FRA–chT, 1964.

7.Nd4 Bg4 8.Qb3 (8.Qa4 Bd7 9.Qb3 a5 10.de4 ab4 11.Qb4 Na6 12.Qb7=) 8...d5 9.Nc3 a5 10.ba5 c5 11.Nc2 d4 12.ed4 =.

7.Nd4 Bg6 8.Nc3 Qd7 9.de4 Ne4 10.Be2 Bf6 11.Bf3 Nc3 12.Bc3 c6 13.0–0 0–0 14.Rc1 Re8 15.Ne2 Qe6 16.Bf6 Qf6 17.Nf4 Nd7 18.Ng6 Qg6 19.Qb3 Ne5 20.Be2 Kh8 21.b5 cb5 22.cb5 f5 23.Rfd1 Rad8 24.a4 Qf7 25.Qf7 Nf7 26.Rc7 Ng5 27.Rb7 1–0. phildo (1835) – obtorto_collo, gameknot.com, 2013.

7.de4 Be4 8.Nc3 Bf5 9.Be2 a5 10.b5 0–0 11.Nd4 Be6 12.0–0 +=.

6.d4 ed4

7.Nd4= Bg4 8.Qb3 a5 9.h3 Bc8 10.Qa4 Nbd7 11.Nb3 0–0 12.Na5 +=.

7.Nd4= Bg4 8.Qc2 Nbd7 (8...0–0 9.Bd3 a5 10.b5 Nbd7 11.0–0 Nc5=) 9.h3 (9.f3 Be6 10.Ne6 fe6 11.Bd3 d5=) 9...Be6 (9...Bh5 10.Nc3 0–0 11.Nd5 Bg6=) 10.Bd3 0–0 (10...Ne5 11.Be2 Qd7=) 11.Nd2 (11.0–0 c5=) 11...c5 (11...Ne5=) 12.Ne6 fe6 13.b5 a6 14.a4 d5 15.0–0 Qc7 16.Nf3 Rfd8 (16...Qd6 17.Rfd1+=) 17.Ng5 Nf8 18.Bf6 (better is 18.ba6!? ba6 19.cd5 ed5 20.Bf5+=) 18...Bf6+= 19.Bh7 (better is 19.b6!? Qe7 20.Nh7 (worse is 20.Bh7 Kh8–+) 20...Ba1 21.Nf8 Rf8 22.Ra1+=) 19...Kh8–/+ 20.b6 Qe7 21.cd5 (21.Ne6 Qe6 (21...Nh7?! 22.Nd8 Ba1 23.Nb7=) 22.Bf5 Qb6–/+) 21...Bg5 (21...Ba1 22.Ne6 Ne6 23.de6–+) 22.Be4 ed5 23.Bf3 Rac8 24.Rad1 d4 25.ed4 cd4 26.Qf5 Rc5 27.Qg4 Bf6 28.Rfe1 Qd7 29.Qf4 (29.Qe4 d3–+) 29...Qd6 30.Qe4 (30.Qd6 Rd6 31.Re8–+) 30...Qb6 31.Rb1 Qa5 32.Qb7 Qa4 33.Ra1 Qb5 34.Qa7 d3 35.Reb1 (35.Ra6 Re5 36.Raa1 d2 37.Re5 Qe5–+) 35...Qc4 (better is 35...Ba1 36.Rb5 Rb5 37.Qa6 Rb1 38.Kh2–+) 36.Ra6 Rc7 37.Qb6 d2 38.Qa5 (38.Ra5–+) 38...Qc1 39.Kh2 Qb1 40.Qc7 Qb8 (40...d1Q 41.Bd1 Rd1 42.Qc4 Rh1 43.Kg3 Qg6 44.Kf3 Qf5 45.Kg3 Be5 46.f4 Qg5 47.Kf2 Bf4 48.Qc3–+) 41.Qb8 Rb8 42.Ra5 Nh7 43.Rd5 (43.Be2 Ng5 44.Rd5 Rb2–+) 43...Rd8 44.Rd8 Bd8 45.Bd1 Nf6 46.Kg3 Nd5 47.Kg4 Bb6 48.f3 (48.Kg3–+) 48...Ne3 49.Kh4 Nd1 50.g4 Ne3 51.f4 d1Q 52.Kg5 Bd8 53.Kh5 Qd5 0–1. Gengler,Pierre – Hartung,Jerry, Luxembourg op, 1997.

7.Nd4= Bg4 8.Be2 Be2 9.Qe2 0–0 10.0–0 Nbd7 11.a3 Re8 12.Nf5 +=.

7.Nd4= Bg4 8.f3 Bd7 9.Bd3 c5 10.bc5 dc5 11.Nf5 0–0 =.

7.Nd4 Bg6

8.Nc3 0–0 9.Bd3 Bd3 10.Qd3 Nbd7 (10...c5 11.Nf5 cb4 12.Nb5+=) 11.Nf5 (11.a3 Ne5 12.Qe2=) 11...Ne5 12.Qd4 (12.Qe2=) 12...g6?? (better is 12...Re8=) 13.Ne7+– Qe7 14.f4 Nc6?? (better is 14...c6 15.fe5 de5+–) 15.Nd5 Nd4 16.Ne7 Kg7 17.Bd4 (17.ed4?! Rfe8 18.d5 Re7 19.Kd2 Rae8+/–) 17...c6 (17...Rae8 18.Nd5 Re6 19.g4+–) 18.g4 Rfe8 19.g5 Kf8 20.gf6 1–0. Buczinski,Henryk – Cieslik,Mariusz, Chorzow, 1966.

8.Nc3 0–0 9.Be2 Re8 10.Bf3 c6 11.b5 Qc7 12.a4 c5 13.Nde2 Nbd7 14.Nf4 Ne5 15.Be2 Bf8 (15...Bf5 16.0–0+=) 16.Nfd5 Nd5 17.Nd5 Qd8 18.a5 Be4 19.Rg1 Bd5 20.Qd5 Qe7 21.a6 b6 22.Rd1 Ng6 23.g3 Qd7 24.Bf1 Rac8 25.h4 Rc7 26.h5 Ne5 27.Rh1 Qg4 28.Be2 Qe6 (28...Qg5 29.Kf1+/–) 29.Rh4 (29.Qe6 Re6 30.f4 Nd7+–) 29...Qd5 (29...Qf6 30.Kf1+/–) 30.Rd5+– (worse is 30.cd5 g5 31.hg6 fg6 32.Be5 Re5+=) 30...Be7 31.Rh1 f6 (31...Bf6 32.h6+–) 32.Kd2 Kf7 33.f4 Nd7 34.Bf3 Bf8 35.Rd3 Be7 36.Bd5 Kf8 37.Kc2 Nb8 38.g4 Nd7 39.e4 Bd8 40.Bc6 Rc6 41.bc6 Nb8 42.e5 (42.Rd6?! Bc7 43.Rhd1 Re4 44.Rd8 Kf7+/–) 42...de5 (better is 42...Na6 43.Rd6 Be7+–) 43.fe5?? (43.Rd8 Rd8 44.c7+– (44.fe5 Nc6 45.ef6 Nd4 46.Kd3 gf6+=)) 43...Nc6+/– 44.Bc3 (44.Rd6!? Nb4 45.Kb3 fe5 46.Be5 Re5 47.Rd8 Ke7 48.Rb8 Re3 49.Kb2 Nd3 50.Ka1+–) 44...fe5+= (44...Ne5? 45.Be5 fe5 46.Rd7+–) 45.Rf1 (45.Rd7 Bf6 46.Rc7+/–) 45...Ke7= 46.Rdf3 Ke6 47.Rf7 Bf6 48.Rc7 Kd6 49.Rb7 Re7 (better is 49...Ke6=) 50.h6!+– Nd4 (50...gh6 51.Rf6 Deflection) 51.Bd4 ed4 52.g5! Be5 (52...Bg5 53.hg7 Deflection) 53.Rf7 Rf7 54.Rf7 gh6 55.gh6 (55.Ra7!? b5 56.Rh7 bc4+–) 55...b5 (55...Kc6 56.Rh7 b5 57.Ra7 d3 58.Kd3 bc4 59.Kc4+–) 56.cb5 (56.Rh7?! bc4 57.Ra7 d3 58.Kd1 c3+–) 56...c4 (56...Ke6 57.b6 ab6+–) 57.b6 d3 58.Kd2 ab6 59.a7 (59.Rh7?! Bf4 60.Kc3 Be5 61.Kd2 Bf4 62.Kc3 Be5 63.Kd2=) 1–0. Dumontelle,Joe – Beckwith, Feb, 1978.

8.Nc3 0–0 9.Qf3 c6 10.Nf5 Nbd7 11.Rd1 Ne5 12.Qf4 =.

8.Nc3 Nbd7 9.Nd5 Be4 10.Ne7 Qe7 11.Be2 a5 12.a3 =.

8.Bd3 d5 9.a3 a5 10.c5 c6 11.0–0 ab4 =.

8.Bd3 d5 9.a3 dc4 10.Bc4 0–0 11.Nd2 Nbd7 12.0–0 =.

6.d4 e4

7.Qc2 a5 8.ba5 0–0 9.Nfd2 c5 10.f3 Nc6 11.Ne4 Ne4 12.fe4 –/+.

7.Qc2 a5 8.b5 a4 9.Nfd2 c6 10.Nc3 cb5 11.Nb5 0–0 =.

7.Qc2 Nc6 8.a3 Qd7 9.Nfd2 Bg6 10.Be2 0–0 11.0–0 Qf5 +=.

7.Qc2 Nc6 8.Nfd2 0–0 9.a3 Re8 10.Nc3 Bf8 11.Be2 a5 12.b5 +=.

7.Qc2 d5 8.a3 a5 9.b5 c6 10.bc6 Nc6 11.Nc3 Rc8 =.

7.Qc2 d5 8.b5 a6 9.Ne5 ab5 10.cd5 Nd5 11.Bb5 c6 12.Be2 +=.

7.Nfd2 h6 8.a4 a6 9.Nc3 c6 10.Qc2 Pawn e4, live or die! 10...0–0 11.Nce4 Bg6 (11...Ne4!? 12.Ne4 Be4 13.Qe4 d5+=) 12.Bd3 White prepares the advance c5 12...d5? (better is 12...Be4 13.Be4 d5+=) 13.Nf6+– Bf6 14.Bg6 fg6 15.Qg6 Nd7 16.c5 a5 17.b5 cb5 18.ab5 Be7?! (18...Re8 19.Ra2 b6+–) 19.Qe6 Rf7 20.Qd5 Rb8 (20...Qe8 21.Ra4+–) 21.Nc4 Nf6 (21...Qc8 22.Qe6+– (worse is 22.Ra5 Nf6 23.Qf3 Ng4+–)) 22.Qd8 Rd8 (22...Bd8 23.b6+–) 23.Ra5 Rb8 24.0–0 Ne4 25.f3 Ng5 26.Ra7 Kf8 (26...Ne6 27.Rd1 Rd8 28.Ne5 Bc5 29.Nf7 (29.dc5?! Rd1 30.Kf2 Rd2 31.Kg3 Rf5+/–) 29...Ba7 30.Nd8 Nd8 31.Kf2+–) 27.Nd6 (better is 27.Ne5 Ke8 28.Nf7 Kf7 29.Rc1+–) 27...Bd6 28.cd6 Rd7 (28...Rf5 29.Ba3 Rb5 30.Rc1+–) 29.d5 (29.e4 Ke8+–) 29...Ke8 (29...Nf7 30.e4 Nd6 31.Ba3+–) 30.f4 (30.e4 Rc8+–) 30...Nf7 (30...Ne4 31.Rc1+–) 31.Rfa1 Nd6 32.Ra8 Ra8 33.Ra8 Kf7 34.b6 Nc4 35.Bd4 Rd5 36.Ra7 Rd7 37.Kf2 g6 38.Kf3 Ke6 39.e4?? Rd4+= 40.Rb7 Rd6 41.Rh7 h5 42.Rh6 Rd3 43.Kf2 Rb3 44.Rg6 Kf7 45.Rc6 Nb6 46.Rc7 Ke8 47.Rb7 Kd8 48.e5 Kc8 49.Rh7 Nd5 50.f5 Rb2? 51.Kf3+– Rb3 52.Ke4 Ne3 53.f6 Ng2 54.f7 Re3 55.Kd4 Rf3 56.Rh8 Kd7 57.f8Q Rf4 58.Kd5 Ne3 59.Kc5 Rc4 60.Kb5 1–0. madik – chilisauce, gameknot.com, 2008.

7.Nfd2 0–0

8.a3 a5 9.b5 Nbd7 (9...c6 10.Nc3 cb5 11.Nb5 Na6 12.Be2 d5 13.0–0 dc4 14.Bc4 Nc7 15.Nc3 Nce8=) 10.Nc3 c6 11.Qb1 d5 12.cd5 cd5 13.Be2 Bd6 14.0–0 Rc8 15.Rc1 Qe7 +=.

8.Qb3 a6 9.Nc3 Re8 10.Be2 Qd7 11.0–0 Nc6 12.a3 =.

8.Qb3 d5 A) 9.Nc3 Na6 (9...Nc6 10.a3 dc4 11.Bc4 Bd6 12.0–0 Bh2 13.Kh2 Ng4 14.Kg3 Qd6 15.f4 Qg6+=; 9...Qd6 10.Nd5 Nd5 11.cd5 Qb4 12.Qb4 Bb4 13.Rc1 Bd6 14.Nc4 Bb4 15.Bc3 Be7+=; 9...c6 10.a3 Bg4 11.b5 Qd7 12.bc6 bc6 13.Rb1 Rd8 14.c5 Qe6 15.h3 Bh5=) 10.a3 c6 11.cd5 cd5 12.Ba6 ba6 13.Rb1 Qd6 14.h3 Rab8 15.0–0 a5+=; B) 9.cd5 Qd5 (9...Nd5 10.Nc3 Nb4 11.a3 Nd3 12.Bd3 ed3 13.Qb7 Nd7 14.Qf3 Bg6 15.0–0 Re8=) 10.Bc4 Qd7 11.Nc3 c6 12.0–0 Qd6 13.Rfb1 Ng4 14.Nf1 Bh4 15.Nd1 Be6=.

8.Qc2 c5 9.b5 Nbd7 10.Be2 d5 11.0–0 Rc8 12.Rd1 Qb6 13.Qa4 Qc7 14.cd5 Nb6 15.Qa5 cd4 =.

8.Qc2 c6 9.Be2 d5 (9...a5 10.ba5 Qa5 11.0–0 Na6 12.Nc3 d5 13.a3 Qc7 14.cd5 cd5 15.Qb3 Qd7=) 10.c5 Bg4 11.f3 Bf5 12.fe4 Ne4 13.0–0 Qc8 14.Ne4 Be4 15.Qb3 Qe6 =.

8.Qc2 d5 9.a3 c6 10.Nc3 Nbd7 11.f3 Bd6 12.c5 Bc7 13.fe4 de4 14.Be2 Ng4 15.Bg4 Qh4 +=.

8.Qc2 Nbd7 9.Be2 d5 10.a3 c6 11.0–0 a5 12.ba5 =.

8.Nc3 c5 9.bc5 dc5 10.d5 Re8 11.Be2 Bd6 12.g4 Bg6 13.h4 h6 14.Qc2 Be5 15.0–0–0 Qe7 +=.

8.Nc3 Nc6 9.a3 a6 A) 10.Qb1 d5 (10...Bg6 11.d5 Ne5 12.Nce4 a5 13.Bd3 Nd3 14.Qd3 Ne4 15.Ne4 Re8+=; 10...Qd7 11.Nde4 Ne4 12.Ne4 Bg6 13.Bd3 d5 14.cd5 Qd5 15.0–0 Rae8+/–; 10...Kh8 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.Nc3 Qd7 15.e4 Bg4+/–) 11.cd5 Nd5 12.Nde4 Ncb4 13.ab4 Bb4 14.Bd3 Be4 15.Be4 Nc3+=; B) 10.Qc2 Bg6 (10...d5 11.cd5 Nd5 12.Nd5 Qd5 13.Bc4 Qd6 14.0–0 b5 15.Bb3 a5+/–; 10...a5 11.b5 Nb8 12.Nde4 Ne4 13.Ne4 Nd7 14.Bd3 c6 15.bc6 bc6+/–; 10...Kh8 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.f3 Bh4 15.g3 Bg5+/–) 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.f3 Qh5 15.Bd3 Bh4+=.

8.Nc3 Nc6 9.a3 Re8 A) 10.Qb1 Qd7 (10...Bf8 11.d5 Ne5 12.f3 a5 13.Nde4 Ne4 14.Ne4 Qh4 15.Kd2 Be4=; 10...Bg6 11.d5 Ne5 12.Nde4 Ne4 13.Ne4 Bh4 14.Be5 Re5 15.Bd3 Qe7=) 11.d5 Ne5 12.Nde4 Ne4 13.Ne4 Bh4 14.Be5 Re5 15.Bd3 Rae8+=; B) 10.b5 Nb8 (10...Na5 11.Qc2 c6 12.bc6 bc6 13.Rb1 d5 14.c5 Rb8 15.h3 Qd7=) 11.Qc2 Bf8 12.Be2 a6 13.d5 Nbd7 14.ba6 Ra6 15.0–0 Nc5=; C) 10.Qc2 Bf8 11.Be2 a5 12.b5 Nb8 13.0–0 Nbd7 14.Bd1 Bg6 15.Rc1 Qe7+=.

8.Nc3 Nc6 9.a3 Kh8 A) 10.Be2 Re8 (10...Nb8 11.0–0 c6 12.f3 ef3 13.Nf3 d5 14.Rc1 a5 15.b5 Qd7+=) 11.Qc2 Bf8 12.0–0 a5 13.b5 Nb8 14.Bd1 Bg6 15.d5 Nbd7+=; B) 10.Qc2 Re8 (10...Qe8 11.d5 Ne5 12.Nce4 Ne4 13.Ne4 Bh4 14.Be2 Nc4 15.Qc4 Be4+=; 10...a5 11.b5 Na7 12.Nde4 Ne4 13.Ne4 Re8 14.Bd3 d5 15.Nc3 Bd3+/–; 10...a6 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.f3 Be6 15.Nc5 Bh4+/–) 11.Be2 Bf8 12.0–0 a5 13.b5 Nb8 14.Bd1 Bg6 15.Rc1 Nbd7+=; C) 10.Qb1 Re8 (10...Bg6 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.Nc3 Qd7 15.Qd1 a6+/–; 10...d5 11.cd5 Nd5 12.Nd5 Qd5 13.Qc2 Qe6 14.h3 Bh4 15.b5 Ne7+=; 10...a6 11.Nde4 Ne4 12.Ne4 d5 13.cd5 Qd5 14.Nc3 Qd7 15.e4 Bg4+/–) 11.Be2 Bf8 12.0–0 a5 13.b5 Nb8 14.Qe1 d5 15.Rc1 c6+=.

8.Nc3 Nc6 9.b5+= Na5 10.Be2 (10.Qc2 Rc8 (10...c6 11.bc6 Nc6 12.Nce4 Ne4 13.Ne4 Qa5 14.Kd1 Nb4 15.Qb1 Qa4+=; 10...a6 11.ba6 ba6 12.Rb1 c6 13.Nde4 Ne4 14.Ne4 d5 15.Nf6 Bf6+=) 11.Nde4 Ne4 12.Ne4 Nc4 13.Bc4 d5 14.Bd3 Be4 15.Be4 de4=; 10.Qb1 c6 (10...a6 11.ba6 ba6 12.Qc2 Re8 13.d5 c6 14.Nde4 Rb8 15.Nf6 Bf6=; 10...d5 11.cd5 Nd5 12.Nd5 Qd5 13.Bc3 b6 14.Qc2 Rfc8 15.Ba5 ba5+=; 10...Qd7 11.h3 Rfe8 12.d5 Bd8 13.Be2 Re5 14.0–0 a6 15.Qd1 c6+=; 10...Re8 11.d5 Qd7 12.h3 Bd8 13.Be2 Re5 14.0–0 a6 15.ba6 Ra6=) 11.Nde4 Ne4 12.Ne4 d5 13.Nf6 Bf6 14.Qf5 Nc4 15.Bc4 Qa5+=) 10...c6 (10...a6 11.ba6 Ra6 12.Qc2 Re8 13.0–0 Bf8 14.Rfb1 Ra8 15.Nd5 b6+=) 11.a4 (11.g4!? Be6 12.g5+= Ne8 13.d5 Bh3 14.Nce4 cb5 15.cb5 Bg5+/–) 11...d5= 12.0–0 (12.bc6 Nc6 13.g4 Be6 14.g5 Ne8 15.cd5 Bd5=) 12...Bd6 (12...cb5 13.ab5 Nc4 14.Nc4 dc4 15.Bc4= (15.f3 ef3+=) 15...Qc7=; 12...dc4 13.bc6 Nc6 14.f3 ef3 15.Bc4 Bg4+=) 13.Ba3 (13.bc6 bc6 14.Ba3 (14.Rb1 Qc7= 15.c5 Bh2+=) 14...Ba3 15.Ra3 dc4=; 13.c5 Bc7 14.Rb1 Bb8 15.Rc1 Qc7=) 13...Qc7 (better is 13...Ba3!? 14.Ra3 dc4 15.bc6 Nc6 16.Nc4 Qe7=) 14.Bd6+= Qd6 15.c5 Qe6 16.Nb3 Nc4 (16...Nb3!? 17.Qb3 Bg4+=) 17.Bc4+/– dc4 18.Na5 Bg4 (18...cb5 19.ab5 (worse is 19.Nb7 b4+=) 19...b6 20.Nb7+=) 19.Qc2+/– b6 (19...Rfb8 20.Rab1+/–) 20.cb6 ab6 21.Nc6 Rae8 (21...Bf5 22.Rfc1+–) 22.Ne5 (22.Rfc1 Qd6+–) 22...Bf5 23.Rfc1 h6 (23...Ra8 24.Ne2+–) 24.Na2 Ng4 (24...Rc8 25.Nb4+–) 25.Nc4 Qf6? (25...Rb8+–) 26.h3 Nf2 (26...Qg5 27.hg4 Bg4 28.Nd2+– (28.Nb6?! Bf3 29.Kf1 Qg2 30.Ke1 Qg1 31.Kd2 Qf2 32.Kc3 Rc8 33.Nc8 Rc8 34.Kb2 Rc2 35.Rc2 Qe3+=)) 27.Qf2 Qg5 (27...Qg6 28.Nb6! Bh3 29.a5+–) 28.Kh2 (28.h4 Qg6 29.Nb6 Qb6 30.Qf5 Qa5+–) 28...Re6 (28...Rb8 29.Nb4 Be6 30.Nc6 Bc4 31.Nb8 Bb5 32.ab5 Rb8 33.Qg3+–) 29.Ne5 (29.Nb4 Rc8+–) 29...Rf6 (29...Rd8 30.Nb4 Rde8 31.h4+–) 30.Qf4 (better is 30.Qg3 Qg3 31.Kg3 Ra8+–) 30...Qh5 (30...Qf4 31.ef4 Rd8+–) 31.g4 Bg4 (31...Qh4 32.gf5 Qf4 33.ef4+–) 32.Qg4 (32.Ng4?! Rf4 33.ef4 Rd8+=) 32...Rf2 (32...Qg4 33.hg4 Re8 34.Nc3+–) 33.Kg3 Qg4 (33...Qf5 34.Rc6+–) 34.hg4 (34.Kf2?! Qh3 35.Nc3 f6+/–) 34...Re2 (34...Rf6 35.Rc6 Rd8 36.Rf6 gf6 37.Nc4+–) 35.Re1 (35.Nc4 f5 36.Nc3 Re3 37.Ne3 f4 38.Kf2 fe3 39.Ke3 Rd8+–) 35...Rc2 (35...Re1 36.Re1 Ra8 37.Nc3+–) 36.Nb4 (36.Nd7!? Rc7 37.Nf8 Kf8+–) 36...Rc7 37.Nbc6 (37.Nd5 Rb7+–) 37...f6 (37...Rb7 38.Kf4+–) 38.Nc4 f5 (38...Rb7 39.Kf4+–) 39.Rf1 fg4 1–0. Piriyev,Maksat – Akkurt,Cemal, chessmoon.com, 2011.

8.Nc3 Nc6 9.b5+= Nb4 10.a3 Nd3 11.Bd3 ed3 12.Qf3 Bc8 13.e4 a6 14.ba6 Ra6 15.0–0 Re8 +/–.

8.Nc3 d5 9.Qb3 (9.b5 Bb4 (9...dc4 10.f3 c5 11.fe4 Bg4 12.Qc2 cd4 13.ed4 Qd4 14.Nd5 Qc5 15.Bf6 Bf6+=; 9...a6 10.cd5 ab5 11.Bb5 Bb4 12.0–0 Bc3 13.Bc3 Nd5 14.Qc2 Nd7 15.Rfb1 N7f6=) 10.a3 Bc3 11.Bc3 a6 12.Bb4 Re8 13.Qc2 Be6 14.cd5 Bd5 15.Be2 c6=) 9...c6 (9...Nc6 10.a3 dc4 11.Bc4 Bd6 12.0–0 Bh2 13.Kh2 Ng4 14.Kg3 Qd6 15.f4 Qg6=; 9...Na6 10.b5 Nb4 11.Ba3 dc4 12.Bc4 Nd3 13.Kf1 Ba3 14.Qa3 a5 15.ba6 Be6=) 10.a4 (10.a3 Bg4 11.b5 Qd7 12.bc6 bc6 13.Rb1 Re8 14.Qa4 Qe6 15.h3 Bh5+=) 10...a6 11.h3 (11.Be2 dc4 12.Bc4 Qb6 13.b5 ab5 14.ab5 Ra1 15.Ba1 cb5=) 11...h6 (11...b6 12.Be2 dc4 13.Bc4 Qd6 14.0–0 Qb4 15.Qc2 Qd6=) 12.Be2 Nbd7 (12...dc4!? 13.Bc4 Bd6= 14.0–0 Qe7 15.b5 Nbd7=) 13.cd5+= cd5 (13...Nb8 14.dc6 Nc6 15.Ba3 a5+/–) 14.Nd5 Nd5 (14...Be6 15.Ne7 Qe7 16.Qa3+=) 15.Qd5+/– Be6 16.Qe4 (16.Qb7 Nf6 A) 17.Ne4? Bd5 18.Qa8 Bb4 (18...Ba8?! 19.Nf6 Bf6 20.0–0–+) 19.Bc3 Bc3 (19...Ba8?! 20.Nf6 Qf6 21.Bb4+=) 20.Nc3 Ba8–+; B) 17.Ba6 Rb8 18.Qa7 Bd5–/+; C) 17.a5+/–) 16...Bb4+= 17.Qd3 (17.Qb7? Rb8 18.Qa6 Nc5–+) 17...Qa5 18.Rd1 (18.Ba3 Bc3 19.Bf8 Ba1+=) 18...Rfd8= (worse is 18...Qa4 19.d5 Nc5 20.Qd4 Bd2 21.Qd2+/–) 19.0–0 Nc5 (worse is 19...Qa4 20.d5 Nc5 21.Qd4+/–) 20.Qc2 Na4 21.Ra1 b5 22.Nf3 Rac8 23.Qb1 Qb6 24.d5 Bd5 25.Bg7 Kg7 (25...Nc3 26.Bc3 Bc3 27.Ra4+=) 26.Qb4= Nc3 27.Qb2 (27.Nd4 Ne2 28.Ne2 Bc4=) 27...Qf6+= 28.Nd4 Ne2 29.Qe2 Kh8 (29...Qg6 30.Nf3+=) 30.Qb2 Rg8 31.f3 Rg6 32.Rf2 Bb7 33.Re1 Rd8 34.Rd2 Kg8 35.e4 (35.Kh1 Qg5=) 35...Qb6 (35...Bc8!?+=) 36.Kh1+= Rgd6 (better is 36...Qf6!?+=) 37.Nf5+/– Rf6 38.Ne7 Kg7 39.Rd8 Qd8 40.Qe5 Bc8 41.Nd5 (41.Nc8?! Qc8 42.Rd1 Qe6+=) 41...Be6 42.Nf6 Qf6 43.Qg3 Kh7 44.f4 (44.Rb1 Bc4+–) 44...Bc4 45.Rd1 a5 46.f5 a4 47.Rd6 Qg5 48.Qe5 a3 49.Ra6 (49.Rd1 a2+/–) 49...a2 50.Ra8 Qg7 51.f6 Qg5 52.Qb8 Kg6 53.Qd6 Kh7 54.Kh2 Be6 55.Qd4 (55.Qb8 Kg6+=) 55...Qf4= 56.Kg1 Qc1 57.Kf2 Qf4 58.Kg1 Qc1 59.Kh2 Qf4 60.Kg1 Qc1 61.Kh2 Qf4 ½–½. Dzieniszewski,Andrzej – Radwan, Jastrzebia Gora Poland, 1988.

8.Nc3 Qd7 9.Qc2 d5 (9...c6 10.Be2 d5 11.a3 Re8 12.0–0 Bg4 13.Qd1 Be2 14.Qe2 Qe6 15.Rac1 Nbd7=) 10.b5 c6 11.Qa4 Rd8 12.bc6 Nc6 13.cd5 Nb4 14.Bb5 Nd3 15.Bd3 Qa4 =.

8.d5 a5 9.b5 Nfd7 10.Be2 Bf6 11.Nc3 a4 12.a3 Nc5 13.0–0 Qe7 14.f3 ef3 15.Rf3 Re8 +=.

8.Be2 a5 9.b5 d5 10.Nc3 Bb4 11.a3 Bc3 12.Bc3 +=.

8.Be2 d5 9.a3 (9.c5 b6 10.Qc2 a5 11.b5 c6 12.0–0 cb5 13.Bb5 Qc7 14.Rc1 Rc8 15.c6 Bd6=) 9...a5 10.b5 dc4 11.0–0 Nbd7 12.Nc3 Nb6 13.Nc4 c6 14.Nb6 Qb6 15.Na4 Qc7 =.

6.Be2 Nc6

7.a3 0–0 8.0–0 a5 9.b5 Nb8 10.Nc3 Nbd7 11.d4 e4 (11...c6 12.Ng5=) 12.Nd2 (12.Nh4!? Be6 13.d5+–) 12...c6+= 13.bc6 bc6 14.Rb1 d5 15.cd5 cd5 16.a4 Bb4 17.Bb5 Nb6 18.Qb3 Rc8 19.Rfc1 Be6 20.Ba3 Bc3 (better is 20...Nc4!? 21.Bc4 dc4=) 21.Rc3+/– Rc3? (better is 21...Nc4 22.Nc4 dc4+–) 22.Qc3+– Re8 (22...Nbd7 23.Bf8 Nf8+–) 23.Be8 Ne8 24.Qc6 (better is 24.Qa5 Qa8 25.Qa8 Na8 26.Rb8+–) 24...Nc4 25.Nc4 dc4 26.Qe4 Nf6 27.Qb7 Bd5 (27...Nd7+–) 28.Qb8 (better is 28.Qa7 h5 29.Rb8 Qb8 30.Qb8 Kh7+–) 28...Qe8 29.Qe8 (better is 29.Be7! h6 30.Bf6 Qb8 31.Rb8 Kh7+–) 29...Ne8 30.Rb8 (better is 30.Rb5!? Bc6 31.Ra5 c3+–) 30...Bc6 31.Rc8 Ba4 32.Rc4 Bd7 33.Rc5 a4 34.Rd5 Nf6 35.Rd6 h5 36.Re6 (better is 36.e4 Bb5 37.f3+–) 36...Be6 37.f3 Nd5 38.Kf2 Nc3 39.e4 f6 40.Ke3 Kf7 41.Kd3 Nb5 42.Bc5 (42.Bb2 a3 43.Ba1 Bb3–+) 42...g5 (better is 42...a3 43.Kc2 Bc4–+) 43.d5 Bd7 44.Kc4 Na3?? (better is 44...h4–+) 45.Ba3+– f5 (45...g4!?+–) 46.e5 g4 (46...Bc8 47.e6 Kf6 48.Kc5+–) 47.fg4 (47.fg4 hg4 48.e6 Be6 49.de6 Ke6 50.g3+–) 1–0. Fournier,Frederic (1965) – esc03 (1800), Active, 2004.

7.b5 Nb4 8.d3 0–0 (better is 8...e4!? 9.Nd4 Qd7 10.de4 Be4+/–) 9.e4 Bg4 (better is 9...Ne4!? 10.a3 Nd3 11.Bd3 Bg6+/–) 10.a3+– Bf3 (10...Nd3 11.Qd3 Nd7 12.0–0+–) 11.Bf3 Nd3 12.Qd3 c6 (12...Re8 13.Nc3+–) 13.Nd2 Nd7 14.Nb3 cb5 (14...a6 15.0–0+–) 15.cb5 Qb6 16.a4 Nc5 (16...a6 17.0–0+–) 17.Nc5 dc5 18.Be5 Rad8 (18...Rfd8 19.Qc3+–) 19.Qc3 f6 (19...Qg6+–) 20.Qc4 Kh8 21.a5 Rd4 22.Bd4 Qc7 23.Be3 1–0. pcmvr – salas (2170), net–chess.com, 2009.

6.Be2 e4

7.Nd4 Be6 8.Ne6 fe6 9.0–0 d5 white timed out 0–1. chessxliv (2130) – nando (2100), net–chess.com, 2014.

7.Nd4 Bg6 8.d3 c5 9.bc5 (9.Nc2!?=) 9...dc5–/+ 10.Nc2?? (10.Qa4 Nbd7 11.Nb3 ed3 12.Bf3–/+) 10...Nc6 (better is 10...ed3 11.Nba3 Qa5 12.Qd2 Qd2 13.Kd2 de2 14.Ke2 Nbd7–+) 11.de4 Ne4 12.0–0 0–0 13.Nc3? (13.Bf3 Re8+=) 13...Bf6 (better is 13...Qd1 14.Bd1 Nd2–+) 14.Ne4+= Bb2 15.Rb1 Be4 16.Rb2 Qg5 17.Bf3 Rad8 18.Qe2? (better is 18.Nd4! Bf3 19.Nf3+=) 18...Bd3–+ 19.Qe1 Bf1 20.Qf1 Ne5 21.Bd5 Kh8?? (better is 21...Rd5 22.cd5 Nf3 23.Kh1 Qe5 24.gf3 Qb2–+) 22.Rb7 (22.f4 Qh5 23.fe5 b6+=) 22...f6 (better is 22...Rd7!? 23.Qb1 Rb7 24.Qb7 Ng4–/+) 23.f4+= Qf5 24.e4 Qc8 25.fe5 fe5? (25...Rd5 26.ed5 Qb7=) 26.Qe2?? (better is 26.Qb1+–) 26...Rd5–/+ 27.ed5 (27.cd5 Qb7 Remove defender; 27.ed5 Qb7 Remove defender) 27...Qb7–+ 28.Qe5 (better is 28.Ne1 Qb1 29.h3–+) 28...Qb1 29.Ne1 Qa2 30.Nf3 Qc4 31.d6 Rb8 (31...Qc1 32.Kf2–+) 32.Kf2 (32.d7 Rg8–+) 32...Qc2 33.Qe2 Qe2 34.Ke2 Rd8 35.Nd2? (35.Ng5 Kg8 36.Ne4–+) 35...Rd6 36.Nc4 Ra6 37.Kd3 g5 38.g4 Kg7 39.h3 Kf6 40.Ke4 Ra4 (40...Ke6 41.Ne3–+) 41.Kd5 a6 (better is 41...Ra2!? 42.Kc5 Rh2 43.Nd6–+) 42.Kc5 a5 43.Kb5 (43.Nd2–+) 43...Rb4 44.Kc5 Rb3 (better is 44...Rc4 45.Kb5–+) 45.Na5 Rh3 46.Nc6 (46.Nb7 Rg3 47.Kd5 Rg4–+) 46...Rg3 (better is 46...Rc3 47.Kd4 Rc6 48.Kd3–+) 47.Nd4 Rg4 48.Kd5 (48.Nc2–+) 48...Rd4! 49.Kd4 Kf5 50.Ke3 Kg4 51.Kf2 Kf4 52.Kg2 g4 53.Kf2 h5 54.Kg2 White threatens to counter with g3 54...h4 Black prepares g3 55.Kh2 Kf3 56.Kg1 h3 57.Kh2 g3 58.Kg1 (58.Kh1 g2 59.Kh2 Kf2 60.Kh3 g1Q 61.Kh4 Qg6 62.Kh3 Qg3) 58...h2 (58...g2 59.Kh2 Kf2 60.Kh3 g1Q 61.Kh4 Qg6 62.Kh3 Qg3) 59.Kh1 g2 60.Kh2 Kf2 61.Kh3 g1Q 62.Kh4 Qg6 63.Kh3 Kf3 (63...Qg3) 64.Kh4 Qg4 0–1. Fournier,Frederic – latouriste, Active, 2005.

5.Nf3 h6

6.Nc3 a5 7.b5 Be7 8.Be2 Nbd7 9.0–0 0–0 10.d4 Re8 11.a3 Rc8 12.Rc1c6 13.Qa4 ed4 =.

6.Nc3 a6 7.d4+= ed4 (7...e4 8.Qc2+=) 8.Nd4+/– Bh7 9.Nd5 (9.Be2 Be7+=) 9...c6 (9...Nbd7!?+=) 10.Nf6+/– Qf6 11.Bd3 c5? (better is 11...Bd3 12.Qd3 c5 13.bc5 dc5+/–) 12.Bh7+– cd4 13.Qa4 Kd8 (13...Nd7 14.Bd3 d5 15.Bd4+–) 14.Bd3 Nc6 (14...Qe7 15.Bd4 Nc6 16.Bb6 Kc8 17.0–0+–) 15.0–0 Be7 (15...Rc8 16.Rad1+–) 16.b5 Ne5 17.Be4 Kc7 (17...de3 18.fe3 Qg5+–) 18.b6! Kb8 (18...Kb6 19.Qb3 Double attack (19.Bd4 Zwischenzug)) 19.ed4 Ng6 (19...Nc6 20.Bc6 bc6 21.Qc6 Rc8+–) 20.Qd7 Ra7 (20...Qf2 21.Rf2 Ra7 22.ba7 Ka7 23.Qb7) 21.ba7 1–0. wiking – widad, internet, 2009.

6.Nc3 Nc6 7.b5 Na5 8.Qa4 b6 (8...c6 9.Be2=) 9.d4+= Nd7 (9...e4!? 10.Nd2 Be7+=) 10.Be2+/– Be7 11.0–0 0–0 12.e4 Bg6 13.de5 Ne5 14.Ne5 de5 15.Rfd1 Qb8 16.Nd5 Bd6 17.c5 (17.h4 A) 17...Be4? 18.c5 Bd5 19.Rd5+– (19.cd6?! c6 20.bc6 Bc6+/–); B) 17...Nb7 18.Qc2 Nc5+=) 17...Bc5 18.Rac1 Bd6 19.Qc2 (19.f4 f6 20.fe5 fe5 21.Ba3+/–) 19...Qc8 (better is 19...Qb7!?+/–) 20.Be5!+– (20.Nc7?! Qc7 21.Qc7 Bc7 22.Rc7 Rfc8 23.Be5 Rc7 24.Bc7 Be4+=) 20...Be5?? (better is 20...Qb7 21.Bd6 cd6+–) 21.Ne7 Kh7 (21...Kh8 22.Nc8 Rfc8 23.Bg4+–) 22.Nc8 Rac8 23.Bg4 f5 (23...Rce8 24.Bf5 Bf5 25.ef5 Nb7+–) 24.Bf5 Bf5 25.ef5 Rf6 (25...Kh8 26.Re1 Bf4 27.Rcd1+–) 26.Rd7 Nb7 (26...Re8+–) 27.Qe4 Nc5 (27...Re8 28.Qb7 Rf5 29.Qc6+–) 28.Rc5 bc5 29.Qe5 Rcf8 30.Qc7 Rg8 31.Qc5 Rb6 32.Ra7 Rd8 33.Rg7! Kg7 (33...Kh8 34.Rh7! Kg8 35.Qc4 Kh7 36.Qc7 Rd7 37.Qd7 Kh8 38.Qd8 Kg7 39.Qb6 Kf7 40.Qe6 Kg7 41.Qe7 Kh8 42.f6 Kg8 43.Qg7) 34.Qe7 1–0. pierred – anony, internet, 2015.

6.Nc3 Nbd7 7.Be2 Be7 8.0–0 0–0 9.a4 c6 10.b5 Nc5 11.d4+= ed4 12.Nd4 Bd7 13.Bf3 Rc8 14.Qe2 Nh7 15.Ne4 Ne4 16.Be4 Ng5 17.Bd3 Bf6 18.Rab1 c5 19.Nf5+/– Bb2 20.Qb2 Bf5 21.Bf5 Rc7 22.Rfd1 Qe7 23.Rd5 b6 24.Rbd1 Rd8 25.Qd2 g6 26.Bc2 Rcd7 27.f3 f5 28.Re1 Nf7 29.e4 Re8 30.Kf2 Qh4= 31.Kg1 f4 32.Qf2 Qf6+= 33.Qd2 Re5 34.Qc3 Rde7 35.Red1 h5 36.a5+/– g5 37.ab6 ab6 38.Ra1 Kg7 39.Ra6 Rb7 40.Qa1 Qe6? 41.Ra7 Ra7 42.Qa7 Rd5 43.cd5= Qe5 44.Qb6?? Qc3 45.Ba4?? Qe1# 0–1. Thierling,Helmut – Krischer,Ulrich, NRW–ch op Seniors, 2003.

6.d4= ed4 7.Nd4 Bh7 (7...Bg6 8.Bd3 Bd3 9.Qd3+=) 8.Nd2 Be7 (8...c5 9.Qa4 Nbd7 10.N4f3+=) 9.Be2 0–0 10.0–0 Nc6 (10...c5 11.Nc2+=) 11.Nc6 bc6 12.Bf3 Rb8 13.Bc3 d5 (13...Bd3 14.Be2 Be2 15.Qe2+=) 14.c5 (14.Qa4 a5 15.a3 Qd7+=) 14...Qc8 15.Qa4 (15.Be2 Re8+=) 15...Qb7 (15...a5 A) 16.Qa5? Ra8–+; B) worse is 16.Qc6 Bd3 17.Be5 B1) worse is 17...Rb4 18.Rfd1+/– (18.Bc7?? Bf1 19.Rf1 Rb7–+; worse is 18.Qc7 Qc7 19.Bc7 Bf1 20.Kf1 Rb5+=); B2) 17...Bf1 18.Kf1 Rb4+=; C) 16.ba5?! Qe6+=; D) 16.a3+=) 16.Be2 Ne4 (16...a5 17.ba5 (17.Qa5? Ra8–+) 17...Ne4 18.Ne4 Be4 19.Bd4+/–) 17.Ne4+/– Be4 18.a3 (18.Ba6 Qa8+/–) 18...a5+= 19.Rfc1 (19.Bd4 Rfe8+=) 19...ab4 (19...Rfe8 20.Rd1+= (20.Qa5? Ra8–+)) 20.ab4+/– Rbe8 21.Qa6 Qa8 22.Qa7 Qa7 (22...Qd8 23.Qb7+/–) 23.Ra7 Bd8 24.Bd4 Re6 25.Rca1 Rg6 26.g3 (26.f3 Bf5+/–) 26...Bf6 27.Rc7 Bd4 28.ed4 Rb8 29.f3 (better is 29.b5 cb5 30.Raa7+–) 29...Rb4? (better is 29...Bf5+/–) 30.fe4+– Rd4 (30...de4 31.Rd7 Rf6+–) 31.ed5 cd5 32.Rf1 (better is 32.Bh5!? Rg5 33.Bf7 Kh7+–) 32...Re6 33.Bb5 f6 34.c6 Re3 (34...Rb4 35.Rb7 Rb5 36.Rb5 Rc6 37.Rd5 Rc7+–) 35.Rb7 Rc3 36.c7 Kh7 37.Bd7 (37.Bd7 h5 38.c8Q Rc8 39.Bc8+–) 1–0. Iosif,Daniela – Ruprich,Udo, Giessen op, 1993.

6.d4 e4 7.Nfd2 (7.Qc2 d5 8.a3 a5 9.b5 Nbd7 10.Nc3 c6 11.bc6 bc6 12.Ne5 Rc8 13.cd5 Ne5+=) 7...d5 (7...Be7 8.Nc3 0–0 9.Be2 d5 10.a3 c6 11.0–0 a5 12.Qb3 dc4 13.Nc4 ab4=) 8.a3 a5 (8...Nbd7 9.Nc3 c6 10.Be2 Bd6 11.cd5 cd5 12.Rc1 0–0 13.Nb5 Bb8=) 9.b5 (9.ba5 Ra5 10.Qb3 b6 11.cd5 Qd5 12.Nc4 Ra7 13.Nc3 Qe6+=) 9...c6 (9...Nbd7 10.Nc3 dc4 11.Bc4 Bd6 12.Qc2 Qe7 13.Nd5 Qd8+=) 10.bc6 (10.Nc3 Be7 11.bc6 bc6 12.Rb1 0–0 13.Qc2 Re8=) 10...bc6 11.cd5 (11.Nc3 Be7 12.Qc2 Be6 13.Be2 Nbd7=) 11...cd5 (worse is 11...Qd5 12.Nc3 Qd7 (12...Qe6 13.Bc4+/– Qe7+/–) 13.Qc2 Qe7+/–) 12.f3 (12.Nc3 Nbd7= 13.Rc1 Be7=) 12...Qb6+= 13.Qc1 (13.Qb3 Qb3+=) 13...Be7 (13...ef3 14.gf3 Nbd7 15.Nc3+=) 14.fe4= Ne4 15.Ne4 Be4 16.Nc3 Bh4 17.Kd2 0–0 18.Ne4 de4 19.Bc4 Bf6 (19...Nd7!?+=) 20.Bd5+= Ra7 21.Be4 (21.Rb1 Qd6 22.Qc4 Re8=) 21...Rc7 (21...Re7 22.Bf3+=) 22.Qb1= Rd8 (22...Re7!? 23.Bh7 Kh8+=) 23.Rd1 Nd7 24.Bh7 (24.Bc3 Qa7+=) 24...Kh8= 25.Bd3 Nc5 (25...Rb8 26.Ra2=) 26.Ra2 (26.dc5 Qb2 27.Qb2 Bb2+=) 26...Ne6 (26...Nd3!? 27.Qd3 Qd6+=) 27.g3+= Ng5 28.h4 Ne6 29.h5 (29.Ke1 Qd6 30.Kf2 a4+=) 29...Bg5 30.Ke2 Qd6 31.Rg1 Re7 32.Kf2 Nc7 (32...Be3 33.Ke3 Ng5 34.Kf2 Qd5–+) 33.e4= Ne6 34.d5 Qc5 (better is 34...Nc5!? 35.Rf1 Rb8=) 35.Kg2+/– Qe3? (better is 35...Nd4+/–) 36.Re1+– (36.de6? Rd3 37.Be5 Qf3 38.Kh2 Qh5 39.Kg2 Qf3 40.Kh2 Re6–+) 36...Nf4 37.gf4 Qf4 38.Qd1 (38.Bd4!? Qg4 39.Kf1 Qh5+–) 38...Bh4 39.Bg7! Kg7 40.Rf1 Qg3 (40...Qg5 41.Kh1 Bg3 42.Rg2+/–) 41.Kh1+– Kh8 (41...Bg5 42.Qf3 Qe5 43.Rg1+/–) 42.Rg2 Qe3 (better is 42...Qe5+–) 43.Qa1 (43.Qa1 f6 44.Rf6 Qe1 45.Qe1 Be1 46.e5+–) 1–0. Bonetti,Shane – nimzoman, ICC, 2002.

6.Be2 Nc6 7.b5 Ne7 8.0–0 a6 9.d4 e4 10.Nh4 ab5 11.Nf5 Nf5 12.Qb3 bc4 13.Qb5 Qd7 =.

6.Nc3 Be7

7.Be2 a5 8.b5 0–0 9.0–0 Nbd7 10.d4 Re8 11.a3 Rc8 12.Rc1 c6 13.Qa4 Qc7 =.

7.Be2 Nc6 8.b5 Na5 9.d4 e4 10.Nd2 c6 11.d5 a6 12.bc6 bc6 13.Qc2 Rc8 +=.

7.Be2 0–0

8.0–0 a5 9.b5 Re8 10.d4 Nbd7 11.a3 c5 12.d5 Nb6 13.Nd2 Bg6 +=.

8.0–0 Nc6 9.b5 Nb8 10.Nh4 Ne4 11.Nf5 Nc3 12.Bc3 Qd7 13.Bg4 Qe8 14.Qf3 Nd7 15.Qb7 Nf6 16.Qc7 Ng4 17.Ne7 Kh7 18.Qd6 Rd8 19.Qc5 f6 20.h3 Rd7 21.Nc6 h5 22.hg4 hg4 23.d4 Qh5 24.Qf8 f5 25.Ne5 g6 26.Nd7 Qh4 27.d5 g3 28.Qg7 1–0. usingprogram (2005) – ciprianpantea, kurnik, 2013.

8.0–0 Nbd7 9.d3 a5 10.b5 b6 11.a4 Qb8 12.e4 Bg6 13.Nd5 Nd5 14.cd5 Nf6 15.Qc2 Qc8 16.Rfc1 Bd8 17.Ra3 Re8 18.Rc3 Re7 19.Ba3 Qb7 20.Nd2 Ne8 21.f3 Bh5 22.Nb3 f6 23.d4 Rf7 24.de5 fe5 25.Nd2 Rc8 26.Nc4 Rb8 27.Rf1 Qc8?? (better is 27...Bg5+/–) 28.Nd6!+– Nd6 29.Bd6 Bg6 30.Bd3 Rb7 31.Be5 Qd7 32.Rc6 Kh7 33.Bb2 Rf6 34.Bf6 gf6 35.Rc1 Be8 36.Rc4 Kg7 37.Qb3 Qd6 38.R4c2 Be7 39.g3 Bh5 40.Be2 Bg6 41.Qc4 Qd7 42.Kg2 Bd6 43.Qc6 Qc6 44.dc6 Rb8 45.Rd1 Rd8 46.Bc4 Kf8 47.Rcd2 Ke7 48.Rd4 Bh5 49.R1d2 Bg6 50.f4 f5 51.e5 1–0. Van Esbroeck,Dirk – Hughes,Chris, SN–2009–0–00141, 2009.

8.0–0 Nbd7 9.d4 c6 10.a4 Re8 11.a5 a6 12.Qb3 Be6 13.Qc2 b5 14.d5 cd5 15.cb5 Qc7 (15...Qb8!?+/–) 16.ba6+– Ne4 17.Rfc1 Rac8 18.b5 Ndc5 19.b6 Qb8 20.Bb5 Rf8 21.Qd1 1–0. pcmvr (2860) – canson (2370), net–chess.com, 2011.

8.0–0 Nbd7 9.d4 e4 10.Nd2 Bg6 (10...d5 11.a3= (worse is 11.cd5 Bb4 12.Qb3 Bc3 13.Bc3 Nb6+=)) 11.Qc2 Increases the pressure on e4 11...Re8 (11...c6 12.d5+= (worse is 12.Nde4 Ne4 13.Ne4 d5–+; 12.Nce4? Ne4 13.Ne4 d5–+)) 12.Nde4+/– Ne4 13.Ne4 Bh4 (13...d5 14.cd5 Bb4 15.f3+=) 14.Bd3+/– Qe7 15.Nc3 Bd3 16.Qd3 Qf6 17.f3 c6 (better is 17...a5!?+/–) 18.g3+– Qg5 19.Kf2 Nf6 20.Rfe1 Re7 21.gh4 Qh4 22.Kg1 Rae8 23.e4 White prepares d5 23...Nh5 24.Ne2 Re6 25.Kh1 Rg6 (25...d5 26.cd5 (26.ed5?? Re2 27.Re2 Re2 28.Qe2 Ng3 29.Kg2 Ne2–+) 26...cd5 27.e5+–) 26.Rg1 Rf6 (26...Rg1 27.Rg1 d5 28.cd5 (28.ed5?! Qf2 29.Qf5 Re2 30.Qh5 Rb2=) 28...cd5 29.Nc3+– (29.ed5?! Qf2 30.Qf5 Re2 31.Qc8 Kh7 32.Qf5 Kg8 33.Qc8 Kh7 34.Qf5 Kg8=)) 27.d5 Nf4 (27...Rg6 28.Rg6 fg6 29.dc6 bc6 30.Qd6+–) 28.Nf4 Rf4 (28...Qf4 29.Bf6 Qf6 30.dc6 bc6+–) 29.Bg7 Kh7 30.e5 f5 31.ef6 Kg8 32.Bh6 Kf7 33.Qg6# 1–0. usingprogram (2000) – biluan2000, kurnik, 2012.

8.a3 Nbd7 9.0–0 a5 10.Qb3 b6 11.d3 Qb8 12.Nd2 Bg4 (12...ab4 13.ab4 Ra1 14.Ra1+=) 13.Bg4+= Ng4 14.Nd5 Bd8 15.h3 Ngf6 16.Nf6 Bf6 17.Ne4 Be7 18.Ng3 g6 19.Bc3 Kh7 20.Qc2 f5 21.f4 ef4 22.ef4 ab4 23.ab4 Ra1 24.Ra1 Bf6 25.Re1 Qd8 26.Qb2 Bc3 27.Qc3 Re8 28.Qd2 Re7 29.Re3 Qe8 30.Nf1 Nf6 31.Kf2 d5 32.Qe2 Re3 33.Qe3 Qe3 34.Ne3 dc4 35.dc4 (worse is 35.Nc4 Nd5–/+) 35...c6 36.b5 c5 37.Ke2 h5 38.Kf3 Kg7 39.Nd1 Ne4 40.Ke3 Kf6 41.h4 Nd6 42.Kd3 Ne4? (42...Nc8 43.Nb2+=) 43.Nb2 (better is 43.Ne3+–) 43...Nd6+= 44.Na4 Nc8 45.Nc3 Ke6 46.Nd5 Kf7 47.Kc3 Ke6 48.Kb3 Kf7 49.Kc2 Ke6 50.Nc3 Nd6 51.g3?? (51.Kb3 Nc8+=) 51...Nc8?? (better is 51...Nc4 52.Kd3 Nd6–/+) 52.Nb1 Nd6 53.Nd2 Ke7 54.Nf3?? (54.Kd3 Ke6=) 54...Nf7?? (better is 54...Nc4 55.Kb3 Nd6–+) 55.Kc3 Kd6 56.Kd3 Ke6 ½–½. Emberger,Rene (2115) – Zierott,Gert (1820), Feffernitz Raika op, 2004.

6.Be2 Be7

7.0–0 0–0 8.d4 e4 9.Nfd2 d5 10.c5 c6 11.a4 a5 12.ba5 Ra5 13.Nb3 Ra8 14.Bc3 White prepares the advance a5 14...Nbd7 15.a5 Qb8 16.Na3 Bd8 17.Nc2 Bc7 18.g3 Nh7 19.Bg4 Bg4 20.Qg4 Ndf6 21.Qe2 Ng5 22.Ne1 Ra7 ½–½. Hal1958 – Fatou, playchess.de, 2002.

7.d3 Nc6 8.a3 0–0 9.0–0 Qd7 10.Nbd2 Rad8 11.e4 Bh7 12.b5 Nb8 13.a4 c6 14.Qb3 Rfe8 15.Rfb1 g6 (15...Nh5 16.d4+=) 16.Ba3 (16.d4!?+/–) 16...Nh5+= 17.bc6 bc6 18.Qb7 Nf4 19.Bf1 Qb7 (19...f5!?+=) 20.Rb7+/– Rd7 21.Rab1 Na6?? (better is 21...Rb7 22.Rb7 c5 23.Ra7 Kg7+–) 22.Rd7 Nc5 (22...c5 23.Ra7 Nb4 24.Bb4 cb4 25.Rb4+–) 23.Bc5 dc5 24.Rbb7 Kf8 25.Ne5 Bg8 26.Nc6 Bf6 27.Na7 Bd4 (27...Ne6 28.a5+–) 28.Nf3 Bc3 (28...Ba1 29.Nb5 Ne6 30.Nc7 Nc7 31.Rdc7+–) 29.Nb5 Bb4 30.Nd6 Ra8 31.Ra7 (31.Nf7 Bc3+–) 31...Rb8 (31...Ra7 32.Ra7 Ne6 33.Ra8 Ke7 34.e5+–) 32.Rdb7 (better is 32.Nf7 Bc3+–) 32...Rd8 (32...Rb7 33.Rb7 Ne6 34.d4+–) 33.e5 (better is 33.Nf7 Rc8 34.g3 Ne6+–) 33...f5 34.g3 Ne6 35.a5 (35.Nh4 Bf7 36.Rf7 Kg8 37.Ng6 Bc3 38.Nf5 Bd2 39.Rg7 Ng7 40.Rg7) 35...Bc3 36.Rd7 (better is 36.Nh4 Bf7 37.Rf7 Kg8 38.Ng6 Rd6 39.ed6 Ba1+–) 36...Rb8 37.Nb5 (37.Nh4 Bf7 38.Rf7 Kg8 39.Ng6 Rd8 40.Nf5 Bd2 41.Rg7 Ng7 42.Rg7) 37...Bb4 38.a6 (better is 38.Nh4 Bf7 39.Rf7 Kg8+–) 38...g5 39.Rab7 Ra8 40.a7 (40.a7 Nd8 41.Rb8+–) 1–0. Fournier,Frederic (1835) – LUISVELASQUEZ1 (1770), Active, 2005.

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

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