[Event "It (open) (active) \"] [Site "masterchessopen.com Mainz (Germany)"] [Date "2007.08.19"] [Round "11"] [White "Harikrishna P (IND)"] [Black "Ruck Robert (HUN)"] [Result "1-0"] [WhiteElo "2668"] [BlackElo "2561"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] { Harikrishna P (IND) +1 =0 -0 Ruck Robert (HUN) +2 =4 -1 } 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 c5 8.Ne2 Nc6 9.Be3 O-O 10.O-O Qc7 11.Rc1 Rd8 12.Bf4 Qd7 { ?/= } 13.dxc5 ( 13.d5 Na5 14.Bd3 b6 15.Bg5 f6 16.Be3 c4 17.Bc2 e6 18.Nf4 exd5 19.exd5 Qf7 20.Be4 Bb7 21.Qc2 Rd7 22.Rcd1 Re8 23.Bf3 Ba8 24.Qa4 f5 25.Bd4 Bxd4 26.Rxd4 Re5 27.Qd1 g5 28.Ne6 g4 29.Bxg4 Rexd5 30.Ng5 Qf6 31.Bf3 Rxd4 32.cxd4 Rxd4 { ...1/2-1/2, Shirov Alexei 2709 - Kamsky Gata 2380 , Borzhomi 1988 Ch URS (juniors) } ) 13...Qe8 14.Bd5 Bd7 15.Qd3 ( 15.Bg5 Rdc8 16.Qd2 Na5 17.Be3 e6 18.Bb3 Bf8 19.Rfd1 Rc7 20.c4 Nxb3 21.axb3 Bc8 22.Qa5 Rd7 23.Nc3 Be7 24.Nb5 Rxd1+ 25.Rxd1 Bd7 26.Nd6 Bxd6 27.cxd6 f6 28.e5 f5 29.h4 Qc8 30.Bh6 Qd8 31.Qb4 Qb6 32.Qc3 Kf7 33.c5 Qd8 34.Bg5 Qg8 { ...1-0, Kushnir Alla 2355 - Gaprindashvili Nona 2450 , Riga 1972 Ch World (match) (w) } ) 15...e6 ( 15...Rac8 16.Qg3 e5 17.Bg5 Ne7 18.Qh4 Bf8 19.Bb3 a5 20.a4 Rc7 21.Bf6 Bxa4 22.Bxe5 Rxc5 23.Bxa4 Qxa4 24.Qf6 Rxe5 25.Qxe5 Nc6 26.Qc7 Qb5 27.Nd4 Nxd4 28.Qxd8 Ne2+ 29.Kh1 Nxc1 30.Rxc1 Qb2 31.Qd1 Qxf2 32.Qd4 Qf4 33.Ra1 Bd6 34.g3 Qf3+ 35.Kg1 { ...1/2-1/2, Atalik Suat 2619 - Belov Vladimir 2598 , Polanica Zdroj 21. 8.2006 Memorial A.Rubinstein (cat.13) } ) ( 15...Bf8 16.Qe3 Rdc8 17.Ng3 e6 18.Bxc6 Rxc6 19.e5 Bxc5 20.Qd2 Be7 21.Bg5 Rc4 22.Rfe1 Bc6 23.Qe3 Bxg5 24.Qxg5 Qd8 25.Qh6 Qd5 26.f3 Qc5+ 27.Kh1 Rxc3 28.Qg5 f6 { 0-1, Knaak Rainer 2515 - Garcia S Alberto, Polanica Zdroj 1974 } ) ( 15...Bf6 16.Qe3 e6 17.Bxc6 Bxc6 18.Bd6 e5 19.c4 h6 20.Qxh6 Bxe4 21.Nc3 Bc6 22.Nd5 Bxd5 23.cxd5 b6 24.Rfd1 Rac8 25.Qe3 Qb5 26.Bxe5 Bxe5 27.Qxe5 Rxc5 28.Rxc5 Qxc5 29.Qg5 Re8 30.Qd2 Qd6 31.h4 b5 32.Qd4 a5 33.g3 a4 34.Rc1 b4 35.Qc5 { ...1/2-1/2, Gustafsson Jan 2615 - Mamedyarov Shakhriyar 2674 , Goteborg 6. 8.2005 Ch Europe (team) } ) 16.Bxc6 ( 16.Bb3 Na5 17.Bd6 Rac8 18.Qe3 Ba4 19.Rb1 b6 20.e5 Nb7 21.cxb6 Nxd6 22.exd6 axb6 23.Rfd1 Bxb3 24.Rxb3 b5 25.Qb6 Rc6 26.Qxb5 Qd7 27.c4 Rxd6 28.Rxd6 Qxd6 29.Ng3 Qd1+ 30.Nf1 Bd4 31.Rf3 Qe2 32.a4 e5 33.Qc6 e4 34.Qc7 Rf8 35.Rf4 f5 { ...1/2-1/2, Knaak Rainer 2515 - Schmidt Wlodzimierz 2500 , Zakopane 5.1974 Match "Poland-DDR" } ) 16...Bxc6 17.Bd6 b6 18.Qe3 { +0.07 CAP } 18...e5 { N } ( 18...Bb7 19.e5 Qc6 20.f3 bxc5 21.Ng3 ( 21.c4 Rac8 22.Be7 Rd7 23.Bf6 h6 24.Rfd1 Bxf6 25.exf6 Kh7 26.Qe5 Qc7 27.Qxc7 Rcxc7 28.Nc3 { 1/2-1/2, Quinn Mark 2409 - Knott Simon J B 2388 , Scarborough 5. 8.2004 Ch Great Britain } ) 21...Qa4 22.Rf2 Rac8 23.Rb1 ( 23.c4 Rxd6 24.exd6 Bd4 25.Qd2 Rd8 26.Ne2 Bxf2+ 27.Kxf2 Qa6 28.d7 Bc6 29.Qg5 Rxd7 30.Qxc5 Rd2 31.Rb1 Rxe2+ 32.Kxe2 Qxa2+ 33.Ke3 Qxb1 34.Qxc6 Qb6+ 35.Qxb6 axb6 36.Kd4 Kf8 37.Kc3 Ke7 38.Kb4 { ...0-1, Fraser Scott 2100 - Knott Simon J B 2387 , Swansea 8. 8.2006 Ch Great Britain } ) 23...Bd5 24.Bxc5 Bxa2 25.Ra1 Rd1+ 26.Rf1 Rxf1+ 27.Nxf1 Qc2 28.Bxa7 Rxc3 29.Rxa2 Qxa2 30.Qxc3 Qxa7+ 31.Ne3 Bh6 32.Kf2 Bf4 33.g3 Qa2+ 34.Kg1 Bxe3+ { 1/2-1/2, Delchev Aleksander 2637 - Ruck Robert 2523 , Sibenik 29. 9.2006 Ch Croatia (team) } ) 19.c4 bxc5 20.Bxc5 Qe6 21.Nc3 Qxc4 22.Nd5 Bxd5 23.Rxc4 Bxc4 24.Rc1 Bxa2 25.Bxa7 Be6 26.h3 Rd7 27.Bb6 Rb8 28.Ba5 h6 29.Bc3 Rdb7 30.Kh2 Kh7 31.Ba1 Rb3 32.Qd2 R3b5 33.Rc6 Ra8 34.Bc3 Ra2 35.Qe3 Rb3 36.Rb6 Rba3 37.Qc5 Ra4 38.Rb4 Ra5 39.Qe3 R5a3 40.Qc1 Ra8 41.Bb2 Rc8 42.Qd2 Rc5 43.Rb8 h5 44.h4 Rc4 45.Qd3 Raa4 46.Qd8 Rc2 47.Qd1 Rac4 48.Kg1 Bg4 49.Qd3 Rc5 50.Rb3 Rc8 51.Bc3 Ra2 52.Bd2 Ra1+ 53.Rb1 Ra4 54.Be3 Be6 55.Rc1 { ?! } ( 55.Rb2 { !? } 55...Bf6 56.Bg5 Bg7 57.Kh2 Rd4 58.Qb1 Ra4 59.Rc2 Rxc2 { } ) 55...Rb8 { ?! } ( 55...Rd4 { !? } 56.Qe2 Rxe4 57.Rxc8 Bxc8 58.Qc2 Bf5 59.Qc7 Be6 60.Qe7 Rc4 61.g3 e4 62.Kg2 { } ) 56.Bg5 Rd4 57.Qe3 { ? } ( 57.Qe2 Ra4 58.f3 Bf8 59.Bf6 Ra5 60.Kh2 Bh6 61.Rc3 Kg8 62.Rc7 Ra2 { } ) 57...Rbb4 { ? } ( 57...f6 58.Rc6 Re8 59.f4 fxg5 60.f5 gxf5 61.Qxg5 Bf7 62.Rc7 Kg8 63.Qxf5 Rf8 64.Kh2 Rd6 { } ) 58.f3 Rb2 59.Qc3 Ra2 60.Qc5 Rda4 61.Rc2 Ra1+ 62.Kh2 Ra8 63.Qe7 R1a5 64.Rc7 Ra2 { ? } ( 64...R5a6 65.Qb4 Ra2 66.Qb1 Ra1 67.Qb7 R8a2 68.Rc1 Ra7 69.Qb6 R1a2 70.Kg3 R7a3 { } ) 65.Bf6 Bf8 66.Qxe6 { } {#r} 1-0