[Event "Ch Russia (club)"] [Site "masterchessopen.com Sochi (Russia)"] [Date "2005.04.23"] [Round "5"] [White "Volkov Sergey Viktorovich (RUS)"] [Black "Onischuk Alexander (USA)"] [Result "1-0"] [WhiteElo "2614"] [BlackElo "2640"] [ECO "E46"] [Opening "Nimzo-Indian: 4.e3 O-O"] { Volkov Sergey Viktorovich (RUS) +4 =8 -0 Onischuk Alexander (USA) +1 =2 -0 } 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Be7 7.cxd5 exd5 8.b4 ( 8.g3 c6 9.b4 Re8 10.Bg2 Nbd7 11.O-O a6 12.f3 Nf8 13.e4 dxe4 14.fxe4 Bg4 15.Be3 Ng6 16.Kh1 Bf8 17.h3 Bxe2 18.Qxe2 Nd7 19.Qf2 Qe7 20.Rae1 a5 21.b5 Nb6 22.bxc6 bxc6 23.e5 Rac8 24.h4 Qe6 25.Kh2 Rc7 26.Ne4 h6 27.Bh3 Qd5 { ...1-0, Volkov Sergey Viktorovich 2628 - Tunik Gennady 2476 , Internet 24.12.2004 Cup Russia "Chess Planet" (5 final) (blitz) } ) 8...c6 9.Ng3 Re8 10.Bd3 Nbd7 11.O-O { ? } ( 11.Bd2 Nf8 12.O-O Ng6 13.Qc2 Bd6 14.Nce2 Bd7 15.f3 Bc7 16.Rfb1 a6 17.a4 Nh4 18.Nf1 Qc8 19.Be1 Ng6 20.b5 Nf8 21.bxa6 bxa6 22.e4 dxe4 23.fxe4 Bg4 24.e5 N6d7 25.Qxc6 Qd8 26.Bf2 Rc8 27.Bxa6 Re6 28.Qc4 Rb8 29.Rxb8 Bxb8 30.Bb7 Nb6 { ...1-0, Manolache Marius 2463 - Burnoiu Nicolae-Costel 2411 , Bucharest 2003 Memorial V.Ciocaltea (cat.9) } ) 11...Nb6 ( 11...Bf8 12.Qc2 g6 13.Bb2 Bg7 14.Qb3 Ng4 15.h3 Ngf6 16.b5 Nf8 17.bxc6 bxc6 18.Na4 Qd6 19.Rfd1 Rxe3 20.fxe3 Qxg3 21.Qc2 Bh6 22.Re1 Bxe3+ 23.Kf1 Ng4 24.hxg4 Qf4+ { 0-1, Mititelu Gheorghe 2300 - Lahti Jouko 2025 , Reykjavik 1957 Olympiad (students) (team) } ) ( 11...Bd6 12.f4 a5 13.Rb1 axb4 14.axb4 Bf8 15.Qc2 Nb6 16.Bd2 h6 17.Nd1 Bd7 18.Nf2 h5 19.Ra1 h4 20.Ne2 Rb8 21.Kh1 Nc8 22.Ng1 Nd6 23.Nf3 Nfe4 24.Be1 Nf5 25.Nd1 Qf6 26.Bxe4 Rxe4 27.Ng5 Ree8 28.Bxh4 Qg6 29.Qf2 f6 30.Nf3 Bxb4 31.Qb2 { ...0-1, Benitah Yohann 2381 - Lautier Joel 2638 , Besancon 1999 Ch France (gr.1) (cat.11) } ) 12.Rb1 Bd6 ( 12...a5 13.bxa5 Rxa5 14.Qb3 Na8 15.a4 Bd6 16.Bd2 Ra7 17.f3 Qc7 18.Nce2 h5 19.Rfe1 h4 20.Nf1 b6 21.Qc2 c5 22.Nc3 Bd7 23.Nb5 Bxb5 24.Bxb5 Re6 25.Qf5 Qd8 26.dxc5 Bxc5 27.Bb4 Nc7 28.Bxc5 bxc5 29.e4 g6 30.Qg5 dxe4 31.Qxc5 Nxb5 32.axb5 { ...1/2-1/2, Sargissian Gabriel 2611 - Jenni Florian 2503 , Calvia 26.10.2004 Olympiad } ) ( 12...Be6 13.a4 Bd6 14.a5 Nc8 15.f3 Bc7 16.Na4 Nd6 17.Nc5 Bc8 18.e4 b6 19.e5 bxc5 20.bxc5 Nc4 21.Bxc4 dxc4 22.exf6 Qxf6 23.Ne4 Qg6 24.Bd2 Bh3 25.Qe2 Re7 26.Kh1 Bf5 27.Rb7 Bc8 28.Rxc7 Rxc7 29.Bf4 Re7 30.Bd6 Re6 31.Qxc4 Re8 32.Qa4 { ...1-0, Illescas Cordoba Miguel 2640 - Slobodjan Roman 2520 , Pamplona 1996 It } ) ( 12...a6 { -0.56 CAP } ) 13.b5 { N } ( 13.a4 Bxg3 14.hxg3 Ne4 15.Bxe4 dxe4 16.b5 Be6 17.Nxe4 Ba2 18.Ra1 Bc4 19.Nc5 Bxf1 20.Qxf1 Nd7 21.Nxb7 Qc7 22.bxc6 Qxc6 23.Qb5 Qxb5 24.axb5 Reb8 25.Nd6 a6 26.bxa6 Rb6 27.Ne4 Rbxa6 28.Rxa6 Rxa6 29.Bb2 Rb6 30.Ba3 Rb1+ 31.Kh2 f5 32.Nd6 Nf6 { ...1/2-1/2, Gurevich Dmitry 2492 - Onischuk Alexander 2658 , Chicago 2002 It (open) "US Masters" } ) ( 13.f4 a5 14.bxa5 Rxa5 15.Qb3 Bc7 16.h3 Bd7 17.Qb4 Ra7 18.Qb3 Nc8 19.e4 dxe4 20.Ncxe4 Nxe4 21.Bxe4 Be6 22.Qd3 Nd6 23.Bxh7+ Kh8 24.d5 Bxd5 25.Bb2 Bb6+ 26.Kh2 Re3 27.Qc2 Qh4 { 0-1, Jacimovic Dragoljub 2465 - Vescovi Giovanni 2526 , Istanbul 2000 Olympiad } ) ( 13.h3 { -0.04 CAP } ) 13...c5 14.dxc5 Bxc5 15.Na4 Bd6 { ?! } ( 15...Nxa4 { !? } 16.Qxa4 d4 17.Qc2 dxe3 { } ) 16.Nxb6 axb6 17.Bb2 Qe7 18.Bxf6 Qxf6 19.Qh5 g6 20.Qxd5 Rd8 21.Qc4 Be6 22.Qc2 { ?! } ( 22.Qe4 { !? } 22...Bxg3 23.hxg3 Bd5 24.Qf4 { } ) 22...Rxa3 23.Be4 Ra2 24.Qc1 Bxg3 25.hxg3 Rdd2 { ?! } ( 25...Rc8 { !? } 26.Qd1 Bc4 27.Bd5 Rd8 { } ) 26.Qc7 Rxf2 27.Bxb7 { ?! } ( 27.Qxb6 { !? } 27...Kg7 28.Qxb7 Rxf1+ 29.Rxf1 { } ) 27...Rac2 { ?? } ( { ? } 27...Rad2 28.Be4 Bg4 29.Qc6 Rxf1+ { } ) 28.Qxc2 { +5.50 CAP } {#r} 1-0