[Event "It (cat.13)"] [Site "masterchessopen.com Zalaegerszeg (Hungary)"] [Date "2004.04.27"] [Round "4"] [White "Portisch Lajos (HUN)"] [Black "Ruck Robert (HUN)"] [Result "0-1"] [WhiteElo "2525"] [BlackElo "2562"] [ECO "D82"] [Opening "Gruenfeld: 4.Bf4 Bg7 5.e3"] { Portisch Lajos (HUN) +1 =1 -0 } 1.d4 { 1 } 1...Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 ( 5.Rc1 dxc4 6.e4 c5 7.dxc5 Qa5 8.Bxc4 O-O 9.e5 Nfd7 10.Nf3 Nxc5 11.O-O Nc6 12.Nd5 Be6 13.b4 Nxb4 14.Nxe7+ Kh8 15.Bd2 Rad8 16.Bxe6 fxe6 17.a3 Qxa3 18.Rxc5 Na6 19.Nxg6+ hxg6 20.Rc2 Nb4 21.Bxb4 Qxb4 22.Qc1 Qe7 23.Qe3 Rf5 24.Rfc1 Kg8 { ...1-0, Portisch Lajos 2615 - Nunn John D M 2585 , Budapest 1987 Izt (play-off) } ) 5...c5 6.dxc5 Qa5 7.Qa4+ Qxa4 8.Nxa4 Bd7 9.Nc3 { = } 9...Ne4 ( 9...Na6 10.cxd5 Nxc5 11.Nf3 O-O 12.Rd1 Rfd8 13.Be5 Na4 14.Nxa4 Bxa4 15.Rd4 Bc2 16.Bc4 a6 17.Ke2 b5 18.Rc1 Be4 19.Bb3 Bxd5 20.Bxd5 Nxd5 21.Rcd1 e6 22.e4 Bxe5 23.Nxe5 Nf4+ 24.Kf3 Rxd4 25.Rxd4 Nh5 26.g4 Nf6 27.g5 Nh5 28.Rd6 Rc8 29.Rxa6 { ...1-0, Andruet Gilles 2410 - Bernard Christophe 2338 , France 1986 Ch France } ) 10.Nxd5 Na6 11.f3 Nexc5 12.O-O-O ( 12.Rb1 e6 13.Nc7+ Nxc7 14.Bxc7 Na4 15.Bd6 a6 16.b3 Nc3 17.Rc1 a5 18.a4 Ra6 19.Bc5 Na2 20.Rc2 Rc6 21.Bd4 e5 22.Ba1 Nb4 23.Rd2 Na6 24.Be2 Nc5 25.Bd1 Rb6 26.Rd5 Nxb3 27.Bxe5 Bxe5 28.Rxe5+ Kf8 29.Ne2 Bxa4 30.Kf2 f6 31.Bxb3 Bxb3 { ...1-0, Novikov Igor A 2545 - Kudrin Sergey 2540 , Toronto 1998 It (open) } ) 12...e6 ( 12...Na4 13.b3 e6 14.Nc7+ Nxc7 15.Bxc7 Nc3 16.Rd2 Rc8 17.Bd6 b5 18.Rc2 a5 19.Ne2 bxc4 20.Nxc3 cxb3 21.axb3 Bxc3 22.Bc4 Bb4 23.Rd1 Bxd6 24.Rxd6 Ke7 25.Ra6 Ra8 26.Rxa8 Rxa8 27.Kd2 Kd6 28.Kc3 Bc6 29.Ra2 g5 30.h3 h5 31.Be2 h4 32.Bc4 { ...1/2-1/2, Kiss Pal 2400 - Mendelian Vahe 2188 , Hungary 2000 Ch Hungary (team) 2000/01 } ) 13.Nc3 ( 13.Nc7+ Nxc7 14.Bxc7 Rc8 15.Bd6 b5 16.b3 bxc4 17.Bxc4 Na4 18.Rd2 Bb5 19.Rc2 Bxc4 20.bxc4 Kd7 21.c5 Rc6 22.Ne2 { 1/2-1/2, Van Wely Loek 2655 - Svidler Peter 2660 , Tilburg 1997 It (cat.17) } ) 13...Bxc3 14.bxc3 f6 15.g4 O-O-O { N } ( 15...h5 16.g5 e5 17.Bg3 h4 18.Bf2 fxg5 19.Rd5 e4 20.Rxg5 Bf5 21.Kc2 O-O-O 22.Bh3 Bxh3 23.Nxh3 exf3 24.Rg4 Nd3 25.Bxh4 Ne5 26.Re4 Rde8 27.Bg3 Rxh3 28.Rxe5 Rxe5 29.Bxe5 Nc5 30.Rg1 Rh5 31.Bg3 Ne4 32.Kd3 Nxg3 33.hxg3 Rg5 34.g4 Kc7 35.e4 { ...1-0, Hertneck Gerald 2536 - Joachim Sven 2437 , Germany 2003 Bundesliga 2002/03 } ) 16.g5 Ba4 17.Re1 fxg5 18.Bxg5 Nd3+ 19.Bxd3 Rxd3 20.Bf6 Re8 21.Nh3 { ?! } ( 21.Be5 { !? } 21...Nb8 22.Nh3 Nc6 23.Bd4 { } ) 21...e5 22.Ng5 Rxc3+ { ?! } ( 22...Nc5 { !? } 23.Re2 h6 24.Ne4 Nxe4 { } ) 23.Kb2 Rc2+ 24.Ka3 Nc5 25.Rd1 { ! } ( 25.Nxh7 Re6 26.Be7 Rxe7 27.Nf8 { } ) 25...Re2 26.Rde1 { ?! } ( 26.Rd5 { !? } 26...Rxe3+ 27.Kb4 Nd7 28.Ne4 { } ) 26...Rd2 27.f4 { ?! } ( 27.Rhf1 { !? } 27...h6 28.Nf7 Re6 29.Bxe5 { } ) 27...Bc6 28.Rhf1 Nd7 { ? } ( { ? } 28...h6 29.Nh7 Rd3+ 30.Kb2 Rd7 { } ) 29.fxe5 Nxe5 30.e4 { ? } ( { ? } 30.Bxe5 Rxe5 31.h4 Ra5+ 32.Kb4 { } ) 30...h6 31.Bxe5 Rxe5 32.Rf8+ Kc7 33.Rf7+ Kb6 34.Rb1+ Ka6 35.Nf3 Ra5+ 36.Kb3 Rd3+ 37.Kb2 Bxe4 38.Ne1 Rd2+ 39.Kc3 Bxb1 40.Kxd2 Rxa2+ { } {#R} 0-1