[Event "Ch World FIDE"] [Site "masterchessopen.com San Luis (Argentina)"] [Date "2005.10.01"] [Round "4"] [White "Leko Peter (HUN)"] [Black "Polgar Judit (HUN)"] [Result "1-0"] [WhiteElo "2751"] [BlackElo "2735"] [ECO "B45"] [Opening "Sicilian: Taimanov, 5.Nc3"] 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3 a6 7.Qd2 Nf6 8.O-O-O Bb4 9.f3 Ne7 10.Nde2 b5 11.g4 h6 12.Rg1 { !?N } ( 12.Bg2 Ba5 13.Qd3 d5 14.Bf4 Qc4 15.Qxc4 ) ( 12.a3 Ba5 13.b4 Bb6 14.Bxb6 Qxb6 15.Nd4 Bb7 16.h4 Nc6 17.Nb3 Ne5 18.Be2 O-O-O 19.g5 Nh5 20.f4 Nc4 21.Bxc4 bxc4 22.Na5 Qc7 23.Rhf1 Ng3 24.Nxb7 Qxb7 25.Rfe1 hxg5 26.hxg5 f5 27.gxf6 gxf6 28.Qf2 Nh5 29.Rd6 Qc7 30.Red1 Rhg8 31.Kb2 Kb7 32.Na4 { 1-0, L'Ami Erwin (NED) 2519 - Van Der Elburg Freddie (NED) 2290, Amsterdam (Netherlands) 2005.07.17 } ) ( 12.h4 Ba5 13.a3 b4 14.axb4 Bxb4 15.Bh3 Qa5 16.Kb1 d6 17.Nc1 Rb8 18.N1a2 Ba3 19.b3 Nd7 20.g5 h5 21.f4 Qc7 22.Bd4 O-O 23.g6 Nc5 24.gxf7+ Rxf7 25.Rh2 Nc6 26.Bxc5 dxc5 27.Qd6 Nd4 28.Qxc7 Rxc7 29.Ne2 Nxe2 30.Rxe2 c4 31.Rd8+ Kf7 32.Re3 cxb3 33.cxb3 a5 34.f5 Rb6 35.Rc3 Rxc3 36.Nxc3 Rc6 37.Nb5 Rc1+ 38.Ka2 Be7 39.Rh8 exf5 40.exf5 Bd7 41.Rb8 Bf6 { 0-1, Naiditsch Arkadij (GER) 2626 - Nisipeanu Liviu-Dieter (ROM) 2670, Warsaw (Poland) 2005.06.22 } ) 12...Ng6 13.a3 Be7 14.f4 b4 { ?! } ( 14...Bb7 { !? } 15.e5 Nd5 16.Nxd5 Bxd5 17.Nc3 Bf3 18.Be2 Bxe2 19.Nxe2 Rd8 { = } ) 15.axb4 Bxb4 16.Qd4 Qa5 17.Kb1 Rb8 { ? ! } ( 17...d6 { !? } ) 18.g5 ( 18.e5 { ! ? } ) 18...Nh5 { ? DB } ( 18...Ba3 { !? } 19.b3 hxg5 20.Rxg5 Qc7 21.f5 Rb4 22.Qd2 Nh4 { ? } ) 19.gxh6 Rxh6 20.Rg5 ( 20.f5 { !? } 20...Ngf4 21.Rxg7 Rh8 22.Rxf7 e5 23.Qc4 { +?? } ) 20...Qc7 21.Nb5 { ! } 21...Rxb5 22.Rxb5 axb5 23.Qxb4 Nhxf4 24.Nc3 Rxh2 25.Bg1 {#r} 1-0