[Event "Ch St.Petersburg"] [Site "masterchessopen.com – St. Petersburg (Russia)"] [Date "2004.04.06"] [Round "6"] [White "Lugovoi Aleksei (RUS)"] [Black "Klimov Sergey (RUS)"] [Result "1-0"] [WhiteElo "2550"] [BlackElo "2509"] [ECO "D90"] [Opening "Gruenfeld: Three Knights Variation"] { Lugovoi Aleksei (RUS) +1 =0 -0 } 1.d4 { 1 } 1...Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Qb3 c5 10.d5 Na6 { = } 11.Nd2 ( 11.Be2 Rb8 12.Bf4 Bxf3 13.Bxf3 Ne5 14.Be2 b5 15.O-O c4 16.Qa3 Rb6 17.Nxb5 Rxb5 18.Qxa6 Rxb2 19.Rae1 Qd6 20.Qxd6 exd6 21.Bxe5 Bxe5 22.Bxc4 Rc8 23.Bb3 Bd4 24.g3 Re8 25.Kg2 { 1/2-1/2, Bareev Evgeny 2675 - Kasparov Garry 2805 , Novgorod 1994 It (cat.19) } ) 11...e6 12.d6 ( 12.Bc4 exd5 13.Bxd5 Nb4 14.O-O Nxd5 15.exd5 Re8 16.Nde4 Be5 17.Bg5 Qa5 18.Rfe1 Rab8 19.d6 Be6 20.Qd1 c4 21.Be7 b5 22.a3 Qb6 23.Ng5 Qb7 24.Nxe6 fxe6 25.Qg4 Bg7 26.Qxe6+ Kh8 27.Ne4 Nf8 28.Qh3 Rxe7 29.dxe7 Qxe7 30.Nc3 Qb7 31.Rad1 a5 { ...1-0, Ehlvest Jaan 2620 - Krasenkow Michal 2655 , Lubniewice 1998 Cup European Club } ) ( 12.h3 exd5 13.exd5 Bf5 14.Bxa6 bxa6 15.O-O Rb8 16.Qa3 Re8 17.Rfe1 Qh4 18.Rac1 Ne5 19.Bxc5 Bxh3 20.Nce4 Bd7 21.Nd6 Rf8 22.N6c4 Rfe8 23.Nxe5 Rxe5 24.Rxe5 Bxe5 25.Nf3 Qf6 26.Nxe5 Qxe5 27.Qc3 Qxc3 28.Rxc3 Rxb2 29.Be7 Rb7 { 1/2-1/2, O'Kelly de Galway Alberic 2460 - Toran Albero Roman 2445 , Beverwijk 1953 It } ) 12...Bd4 { } 13.Nb5 { N } ( 13.Nc4 e5 14.a3 Nb6 15.Nxb6 axb6 16.Nd5 Be6 17.Bc4 Qxd6 18.Bh6 Bxd5 19.Bxd5 Qf6 20.O-O Rfb8 21.Bd2 Nc7 22.Bc4 b5 23.Bxb5 Qb6 24.a4 Nxb5 25.axb5 Rc8 26.Rac1 Qa7 27.Bh6 Qa2 28.Qf3 Qe6 29.b3 Ra2 30.Qd3 Rb2 31.Rc4 Ra8 32.Bc1 Rba2 { ...0-1, Burger Karl 2385 - Birnboim Nathan 2460 , Beer-Sheva 1982 } ) ( 13.Bxa6 bxa6 14.Nc4 Rb8 15.Qc2 e5 16.Nd5 Qh4 17.O-O Be6 18.g3 ( 18.Rae1 Bxd5 19.exd5 Qd8 20.f4 Bxe3+ 21.Rxe3 exf4 22.Rxf4 Nb6 23.Rh3 Nxc4 24.Rxc4 Qa5 25.Rhc3 Qxa2 26.Ra3 Qxb2 27.Qxb2 Rxb2 28.Rxc5 Rb6 29.Rc6 Rd8 30.Rxa6 Kg7 31.Raxb6 axb6 32.Rxb6 Kf6 { ...1/2-1/2, Stoltze K - Kornfilt V, corr. 1961 Europe Tournament (corr.) } ) 18...Qh5 19.f3 Bxd5 20.exd5 Nb6 21.Bxd4 exd4 22.Nxb6 Rxb6 23.Rac1 Rxd6 24.Qxc5 Rxd5 25.Qxa7 d3 26.Qe3 d2 27.Rcd1 Rfd8 28.g4 Qh4 29.Rf2 Rd3 30.Qf4 Qe7 31.Qa4 Qf6 32.Qb4 Qg5 { ...0-1, Stahlberg Gideon - Szabo Laszlo 2055 , Zurich 1953 Tournament (candidates) } ) 13...e5 14.h3 Be6 15.Bc4 Bxc4 16.Nxc4 Qh4 17.O-O Qxe4 18.Rfe1 Qf5 { ?! } ( 18...Qd5 { !? } 19.Rac1 Rfc8 20.Nc3 Qc6 { } ) 19.Nc7 Rab8 { ?! } ( 19...Nxc7 { !? } 20.dxc7 Qe6 21.Bxd4 cxd4 { } ) 20.a3 Kg7 21.Qb5 Rfd8 22.Bxd4 cxd4 23.Nxe5 Nxe5 24.Rxe5 Qd7 25.Re7 { ?! } ( 25.Qxd7 { !? } 25...Rxd7 26.Nb5 Rbd8 27.Rd5 { } ) 25...Qxb5 26.Nxb5 Nc5 27.Rd1 Kf8 28.Rxd4 Ne6 29.Rd3 a6 30.Nc3 b5 { ?! } ( 30...Rbc8 { !? } 31.Rf3 Ng5 32.Rfe3 Rxd6 { } ) 31.Ne4 Rxd6 32.Rxf7+ Kxf7 33.Rxd6 a5 34.Rd7+ { } {#r} 1-0