[Event "Ch USA"] [Site "masterchessopen.com – Tulsa (USA)"] [Date "2008.05.15"] [Round "3"] [White "Akobian Varuzhan (USA)"] [Black "Gurevich Dmitry (USA)"] [Result "1-0"] [WhiteElo "2606"] [BlackElo "2509"] [ECO "D41"] [Opening "QGD: Semi-Tarrasch, 5.cxd5"] { Akobian Varuzhan (USA) +0 =0 -1 Gurevich Dmitry (USA) +0 =3 -2 } 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Nc6 ( 8...Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O b6 13.Rad1 Bb7 14.Rfe1 h6 15.d5 Na5 16.Bd3 Rc8 17.Bb1 exd5 18.exd5 Nc4 19.Qd3 g6 20.Re6 Qd7 21.Rf6 Nb2 22.Qd2 Nxd1 23.Qxh6 Rc1 24.Qxc1 Qxd5 25.h4 Kg7 26.Rf4 Rd8 27.Bc2 Nc3 28.Qb2 { ...1-0, Benjamin Joel 2575 - Gurevich Dmitry 2525 , Las Vegas 1995 It (open) (blitz) } ) 9.a3 Be7 { = } 10.Bd3 ( 10.Bc4 b5 11.Bd3 O-O 12.Bb2 Qa5+ { 1/2-1/2, Alexandrova Olga 2421 - Kuzmin Gennadi P 2528 , Alushta 2000 Memorial A.B.Puchko (cat.8) } ) 10...O-O 11.Bb2 ( 11.Be3 b6 12.O-O Bb7 13.Qe2 Na5 14.Rfd1 Rc8 15.d5 exd5 16.exd5 Bf6 17.Rab1 Qd6 18.Rb4 Rfe8 19.h3 g6 20.Bb5 Re7 21.Qa2 Rxe3 22.fxe3 Rc3 23.e4 Qc5+ 24.Qf2 Qd6 25.Qe1 Rxa3 26.e5 Qc5+ 27.Kh1 Bd8 28.e6 Bxd5 29.exf7+ Kxf7 30.Rf4+ Kg7 { ...1-0, Aleksandrov Aleksej 2659 - Kharlov Andrei 2613 , Internet 28.12.2004 Cup Russia "Chess Planet" (final) (blitz) } ) ( 11.e5 b6 12.Be4 Bb7 13.Qd3 h6 14.Bd2 Qd7 15.O-O Rfd8 16.Rfd1 Bf8 17.Be3 Na5 18.Nd2 Rac8 19.Bxb7 Qxb7 20.Ne4 Nc4 21.Bxh6 Nxe5 22.Qe2 Ng6 23.Bg5 Be7 24.g3 Bxg5 25.Nxg5 Rd5 26.h4 Rcd8 27.Qg4 Qd7 28.Rac1 e5 29.Qxd7 R5xd7 30.d5 Nf8 { ...0-1, Bareev Evgeny 2675 - Magem Badals Jordi 2520 , Madrid 1994 It (cat.16) } ) 11...Qa5+ ( 11...Bf6 12.e5 Qa5+ 13.Ke2 Be7 14.Qc2 h6 15.h4 Rd8 16.g4 Bd7 17.g5 Rac8 18.Qb3 Be8 19.Rac1 Qd5 20.Qxd5 Rxd5 21.gxh6 gxh6 22.Rhg1+ Kf8 23.Bh7 f5 24.Rg8+ Kf7 25.Rcg1 Bf8 26.Bc1 Nxd4+ 27.Nxd4 Rxd4 28.Rxf8+ Kxf8 29.Bxh6+ Ke7 30.Rg7+ Bf7 31.Bg6 { ...0-1, Lematschko Tatjana 2189 - Costa Jean-Luc 2437 , Biel 1987 It (sheveningen) } ) 12.Kf1 b6 { N } ( 12...Rd8 13.h4 ( 13.Qe2 Bd7 14.Rd1 Be8 15.h4 Qh5 16.Rh3 Bf8 17.Rg3 h6 18.d5 exd5 19.exd5 Ne7 20.Bxg7 Bxg7 21.Qxe7 Rxd5 22.Re1 Bb5 23.Bxb5 Rxb5 24.Nd4 Rb6 25.Ne6 Rxe6 26.Rxe6 Rc8 27.Re1 Kh8 28.Qxb7 Rd8 29.Qxa7 Bd4 30.Qe7 Rb8 31.Qe4 Qc5 32.Rf3 { ...1-0, Ionov Sergey 2545 - Feoktistov Alexey A 2405 , St. Petersburg 1998 Memorial M.Chigorin (open) } ) 13...b6 14.Qe2 Bb7 15.Rd1 Bf8 16.Rh3 Rac8 17.Kg1 Ne7 18.h5 h6 19.d5 exd5 20.e5 d4 21.Nxd4 Qd5 22.Rg3 Nc6 23.Nf5 Kh8 24.Nxh6 Qe6 25.Nxf7+ Qxf7 26.e6 Qf4 27.h6 Nd4 28.hxg7+ Bxg7 29.Qh5+ Qh6 30.Qxh6+ Bxh6 31.e7 Rd5 32.Be4 { ...1-0, Bareev Evgeny 2675 - Hracek Zbynek 2530 , Pardubice 1994 It (cat.15) "Komercni banka Cup" } ) 13.Qe2 Bb7 { -0.93 CAP } 14.h4 Rac8 15.Rh3 Nb8 { ?! } ( 15...Qh5 { !? } 16.d5 Na5 17.Rg3 g6 18.Rd1 Rfd8 19.a4 Nb3 { } ) 16.d5 exd5 17.Rg3 f6 18.Nd4 dxe4 19.Qg4 Rf7 20.Bxe4 h5 { ? } ( 20...Ba6+ 21.Kg1 Bd6 22.Nf5 Bxg3 23.Qxg3 Kh8 24.Nd6 Rfc7 25.Nxc8 Rxc8 26.Qg4 Qb5 27.Rb1 { } ) 21.Qf5 { ? } ( 21.Qe6 Bxe4 22.Qxc8+ Kh7 23.Qxb8 Qd5 24.Qe8 Bd6 25.Re3 Bxg2+ 26.Kg1 Rb7 27.f3 Bh3 28.Qe4+ { } ) 21...Bxe4 { ? } ( 21...Qxf5 22.Bxf5 Rd8 23.Bg6 Rd5 24.Ne6 Ba6+ 25.Ke1 Bd6 26.Bxf7+ Kxf7 27.Re3 Nd7 28.Rd1 Rxd1+ { } ) 22.Qxc8+ Kh7 23.Qxb8 Qd2 24.Qe8 Bd5 25.Rxg7+ Kxg7 26.Nf5+ Kh7 27.Nxe7 Bxg2+ 28.Kg1 { } {#r} 1-0