[Event "Ch Russia (club)"] [Site "masterchessopen.com Sochi (Russia)"] [Date "2006.04.29"] [Round "10"] [White "Tregubov Pavel V (RUS)"] [Black "Kurnosov Igor (RUS)"] [Result "1-0"] [WhiteElo "2596"] [BlackElo "2556"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] { Tregubov Pavel V (RUS) +4 =3 -0 } 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.cxd5 Nxd5 7.Bc4 Nxc3 8.bxc3 c5 9.O-O Qc7 10.Qe2 b6 { ?/= } ( 10...Nc6 11.Ba3 b6 12.Rac1 Bb7 13.Rfd1 Na5 14.Bd3 Rac8 15.h3 Rfd8 16.Ba6 Bxa6 17.Qxa6 Qb7 18.Qxb7 Nxb7 19.dxc5 Nxc5 20.Bxc5 Rxd1+ 21.Rxd1 Rxc5 22.Rd7 Bf6 23.Rxa7 Rxc3 24.a4 Rc1+ 25.Kh2 Rc2 26.Kg3 h5 27.Ra6 Rb2 28.Ra7 e5 29.Rb7 e4 30.Nd4 { ...0-1, Zoernpfenning Siegfried - Mikhalevski Victor 2566 , Internet 8.11.2003 Tournament "EU-ch Internet qual" } ) ( 10...Bg4 11.Ba3 Nd7 12.Rac1 Qa5 13.Bb2 Rac8 14.a3 cxd4 15.cxd4 Nb6 16.Bb3 Bd7 17.Rxc8 Rxc8 18.Rc1 Rxc1+ 19.Bxc1 e6 20.Qe1 Qxe1+ 21.Nxe1 Bb5 { 1/2-1/2, Najdorf Miguel 2530 - Korchnoi Viktor 2670 , Hastings 1971 It (cat.10) } ) ( 10...Nd7 11.Rd1 e5 12.Ba3 b6 13.Bb5 e4 14.Nd2 Nf6 15.dxc5 bxc5 16.Qc4 Bg4 17.Rdc1 Rfd8 18.Nxe4 Nxe4 19.Qxe4 Bf5 20.Qc6 Qa5 21.Qa6 Qb6 22.Bf1 Rac8 23.h3 Rd2 24.e4 Be6 25.Rab1 Qc7 26.Rb2 Rcd8 27.Qb5 Bf8 28.Rcb1 Bxa2 29.Rxd2 Rxd2 30.Qb8 { ...1/2-1/2, Lutz Christopher 2609 - Filipovic Branko 2412 , Budapest 1990 It } ) 11.Rd1 ( 11.Bd2 { 1/2-1/2, Tregubov Pavel V 2629 - Timman Jan H 2602 , Amsterdam 24. 7.2004 It (open) } ) ( 11.Bb2 Bb7 12.e4 Nc6 13.Rac1 Rad8 14.Qe3 e5 15.d5 Na5 16.Be2 Bc8 17.c4 Nb7 18.h4 h5 19.a4 Rde8 20.Ra1 f5 21.a5 Nd6 22.axb6 axb6 23.Ng5 Bf6 24.exf5 Bxf5 25.Ra3 Re7 26.Rfa1 Qb8 27.g3 Qb7 28.Ra7 Qxa7 29.Rxa7 Rxa7 30.Bxe5 Bxe5 { ...1-0, Leitao Rafael 2574 - De Vreugt Dennis 2398 , Wijk aan Zee 1999 It (cat.11) } ) 11...Nc6 ( 11...Bb7 12.e4 Nd7 13.Bg5 h6 14.Bh4 Qf4 15.Re1 cxd4 16.Bg3 Qg4 17.h3 Qh5 18.cxd4 Qa5 19.Rac1 Rac8 20.Bb5 Nf6 21.Bd3 e6 22.Ne5 b5 23.Rc5 Qd8 24.Rxb5 Nh5 25.Rxb7 Nxg3 26.Qe3 Bxe5 27.dxe5 Rc3 28.Rb3 Rxb3 29.axb3 Nh5 30.Be2 Ng7 31.Qxa7 { ...1-0, Jelen Igor 2415 - Kleinplatz Sam 2350 , Cannes 1996 It (open) } ) 12.Rb1 { +0.11 CAP N } ( 12.Bb2 Na5 13.Bd3 Bb7 14.h4 h6 15.e4 e6 16.Rac1 Rac8 17.Nd2 h5 18.e5 Qe7 19.g3 Bd5 20.c4 Bb7 21.Nb3 Nxb3 22.axb3 cxd4 23.Bxd4 Rfd8 { 1/2-1/2, Panno Oscar 2472 - Milos Gilberto 2510 , Buenos Aires 1988 It } ) ( 12.Ba3 Bb7 13.Rac1 ( 13.e4 a6 14.Rac1 e6 15.Qe3 Rfd8 16.Be2 Rac8 17.Rc2 Na5 18.Rcd2 cxd4 19.cxd4 Nc4 20.Bxc4 Qxc4 21.Qf4 f5 22.exf5 exf5 23.Ne5 Qd5 24.f3 Re8 25.Qh4 Qa5 26.Be7 Rc1 27.Rxc1 Qxd2 28.Bg5 Qb4 29.Rc7 Qb1+ 30.Kf2 Qxa2+ 31.Kg3 Rxe5 { ...1-0, Jelen Igor 2365 - Sanchez Almeyra Jorge 2415 , Parana 1993 Ch World (team) (under 26) } ) 13...Rad8 14.Bb3 Na5 15.Bc2 Bd5 16.Bd3 Bc6 17.Bb2 Ba4 18.Bc2 Qc6 19.c4 cxd4 20.Bxd4 Bxc2 21.Rxc2 Nb7 22.h3 Nc5 23.Bxg7 Kxg7 24.Nd4 Qc8 25.Rcd2 Ne4 26.Rd3 e5 27.Nf3 f6 28.Qc2 { 1/2-1/2, Padevsky Nikola 2355 - Stein Leonid Z 2620 , Sofia 1963 Match "Bulgaria-Ukraine" } ) ( 12.h3 Rd8 13.Bd2 a6 14.d5 Na5 15.e4 Nxc4 16.Qxc4 h6 17.Be3 Bd7 18.a4 Rdc8 19.e5 e6 20.d6 Qd8 21.Qf4 a5 22.Nh2 g5 23.Qg3 f5 24.exf6 Qxf6 25.Ng4 Qf5 26.Bd2 e5 27.c4 Re8 28.Bc3 Re6 29.Rd5 Bc6 30.Rd2 Rd8 31.Ne3 Qf4 { ...0-1, Lutz Christopher 2609 - Schlemmermeyer Wilhelm 2390 , Germany 1990 Bundesliga 1989/90 } ) 12...Bf5 13.Rb2 Rad8 14.Bb5 Na5 15.e4 Bd7 16.Bxd7 Rxd7 17.Rc2 e6 18.h4 Rc8 19.d5 exd5 20.exd5 c4 21.h5 gxh5 22.Qe4 Qd6 23.Re2 Nb7 { ?! } ( 23...Qg6 { !? } 24.Qf4 Qg4 25.Rde1 Qxf4 26.Re8+ Bf8 27.Bxf4 Rxe8 28.Rxe8 Nb7 29.Rb8 f6 30.Nd2 Nd6 31.Bxd6 Rxd6 { } ) 24.Nh4 Qf6 25.Ba3 Bf8 26.Bxf8 Rxf8 27.Qxc4 Nd6 28.Qc6 Re7 29.Rxe7 Qxe7 30.g3 { ?! } ( 30.Nf3 { !? } 30...Rc8 31.Re1 Rxc6 32.Rxe7 Rxc3 33.Rxa7 Rd3 34.Ra6 Nc4 35.Ra8+ Kg7 36.Rc8 Nd2 37.Nxd2 { } ) 30...f5 { ?! } ( 30...Qe2 { !? } 31.Qa4 b5 { } ) 31.Ng2 Rc8 32.Qa4 { ?! } ( 32.Re1 { !? } 32...Rxc6 33.Rxe7 Rxc3 34.Nf4 h4 35.gxh4 Rc4 36.Ne6 Rxh4 37.Rg7+ Kh8 38.Rxa7 Rg4+ 39.Kh2 Rh4+ 40.Kg2 Rg4+ 41.Kf3 h5 { } ) 32...Rxc3 33.Qf4 Qf6 34.Ne3 { ?! } ( 34.Re1 { !? } 34...Rc4 35.Qf3 Re4 { } ) 34...Rc8 35.Kg2 Re8 36.Rc1 Re4 37.Qf3 h4 { ?? } ( { ? } 37...f4 38.Rc6 Rb4 39.a3 Ra4 40.Nc2 Qg6 41.Nb4 fxg3 42.Qxg3 Qxg3+ 43.fxg3 Nf7 44.Rc3 Kf8 45.Nc6 { } ) 38.Rc6 Kh8 39.Rxd6 Qxd6 40.Nxf5 h3+ 41.Kh2 Qb4 42.a3 Qc5 43.Qxe4 Qxf2+ 44.Kxh3 { } {#r} 1-0