[Event "Ch Czech Republic (cat.11)"] [Site "masterchessopen.com Prague (Czech Republic)"] [Date "2005.02.04"] [Round "4"] [White "Haba Petr (CZE)"] [Black "Lechtynsky Jiri (CZE)"] [Result "1-0"] [WhiteElo "2522"] [BlackElo "2439"] [ECO "B43"] [Opening "Sicilian: Kan, 5.Nc3"] { Haba Petr (CZE) +0 =4 -0 Lechtynsky Jiri (CZE) +2 =4 -1 } 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O d6 8.f4 Nc6 9.Be3 Bd7 { ?/= } ( 9...Be7 10.Qe1 O-O 11.Qg3 Nxd4 12.Bxd4 b5 13.a3 Bb7 14.Kh1 Rac8 15.Rae1 Bc6 16.e5 dxe5 17.Bxe5 Qb7 18.f5 exf5 19.Rxf5 Ne8 20.Bd3 g6 21.Rf2 Rd8 22.Rfe2 Bd6 23.Ne4 Bxe4 24.Rxe4 Bxe5 { 1/2-1/2, Pacl Vaclav 2320 - Lechtynsky Jiri 2470 , Sumperk 1984 Ch Czechoslovakia } ) 10.Nb3 ( 10.Qe1 b5 11.a3 Be7 12.Qg3 h5 13.Bf3 Ng4 14.Bxg4 hxg4 15.Qxg4 Bf6 16.Nf3 Na5 17.Bd4 Bxd4+ 18.Nxd4 Qc5 19.Ne2 Nc4 20.Qxg7 O-O-O 21.b4 Qb6 22.Rf2 e5 23.fxe5 dxe5 24.Nb3 Rxh2 25.Nc5 Rdh8 26.Rxf7 Qd8 27.Ng3 Ne3 28.Rf2 R2h7 29.Qf6 Qxf6 { ...1-0, Stefansson Hannes 2569 - Kogan Artur 2535 , Habana 2002 Memorial J.Capablanca (a) (cat.13) } ) 10...b5 11.a3 Rb8 { N } ( 11...Be7 12.Bf3 Rb8 ( 12...Rc8 13.Ne2 ( 13.Qd2 O-O 14.g4 h6 15.Kh1 Nh7 16.Rad1 Rcd8 17.Qf2 { 1/2-1/2, Sarre Sascha 2080 - Kas-Fromm Rita Dr 2244 , Hamburg 1993 It (open) } ) 13...O-O 14.Rc1 Qb8 15.Ng3 Rfd8 16.Qe1 Be8 17.f5 e5 18.Nh5 Nxh5 19.Bxh5 f6 20.Bxe8 Rxe8 21.Qh4 Nd8 22.Rf3 Nf7 23.Rh3 h6 24.Qg4 Ng5 25.Rg3 Bf8 26.h4 Nf7 27.Qg6 Qb7 28.Nd2 Kh8 29.Qg4 a5 30.h5 Rc7 31.Qg6 { ...0-1, Filgas Vaclav - Mayerhofer Horst 2163 , Hrabyne 2003 Cup World IPCA } ) 13.g4 Bc8 14.g5 Nd7 15.Bg2 Nb6 16.Nd2 Na5 17.Kh1 Bb7 18.f5 Nbc4 19.Nxc4 Nxc4 20.Bc1 g6 21.fxe6 fxe6 22.Qg4 Bc8 23.Qg3 Bd7 24.b3 Ne5 25.Bd2 Bf8 26.Rac1 Bg7 27.Ne2 Nf7 28.Bc3 Bxc3 29.Nxc3 O-O 30.Ne2 Qc5 31.h4 { ...0-1, Dineley Richard 2273 - Morovic Fernandez Ivan 2608 , Istanbul 2000 Olympiad } ) 12.Kh1 Be7 13.Qe1 { N } ( 13.Bf3 O-O 14.g4 Bc8 15.g5 Nd7 16.Bg2 Re8 17.Qe2 Nb6 18.Rad1 Na4 19.Bc1 Nxc3 20.bxc3 Bb7 21.Rd3 g6 22.Qf2 Bf8 23.Rh3 h5 24.gxh6 Kh7 25.Nd2 f5 26.Nf3 Be7 27.exf5 exf5 28.c4 bxc4 29.Bb2 Nd8 30.Bc3 Ne6 31.Re1 Qd7 32.Qe3 Be4 { ...1/2-1/2, Polgar Istvan 2425 - Portisch Lajos 2525 , Budapest 1968 Ch Hungary } ) 13...O-O 14.Qg3 { N } 14...b4 { +0.07 CAP } 15.axb4 Nxb4 16.Nd4 Nxc2 17.Nxc2 Rxb2 18.Bd3 Rxc2 19.Bxc2 Qxc3 20.Rfc1 e5 { ?! } ( 20...Ng4 { !? } 21.Ba4 Qxe3 22.Qxe3 Nxe3 { } ) 21.fxe5 dxe5 22.Ba4 Qb4 23.Bxd7 Nxd7 24.Bh6 Bf6 25.Rxa6 Qe7 26.Rf1 Rb8 27.h3 Nb6 28.Qg4 Qd6 29.Rxf6 { } {#r} 1-0