[Event "Match"] [Site "masterchessopen.com – Hamburg (Germany)"] [Round "4"] [White "Keres Paul (EST)"] [Black "Unzicker Wolfgang (GER)"] [Result "1-0"] [WhiteElo "2580"] [BlackElo "2433"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bb7 13.a4 ( 13.Nf1 cxd4 14.cxd4 Rac8 15.Re2 d5 16.Nxe5 dxe4 17.Bg5 { ? } ) 13...cxd4 14.cxd4 b4 15.b3 Rac8 16.Bb1 ( 16.Bd3 { ?! } 16...Qc3 17.Ra2 Qxd3 18.Re3 Qc3 19.Rxc3 bxc3 { ? } ) 16...d5 { ! } 17.dxe5 Nxe4 18.Nxe4 dxe4 19.Bxe4 Rfd8 20.Bd2 Bxe4 21.Rxe4 Qc6 ( 21...Qb7 { !? } 22.Rg4 Rd3 23.Rb1 Qd5 24.Qe1 Nc6 { !? } ) 22.Rg4 Qe6 ( 22...Rd3 23.Nd4 { ! } 23...Qd7 ( 23...Qd5 24.Rxg7+ Kxg7 25.Qg4+ { +?? } ) 24.Rxg7+ Kxg7 25.Bh6+ { ! } 25...Kxh6 26.Qxd3 { ? } ) 23.Rb1 h5 24.Re4 Qg6 25.Qe1 { ! } 25...Rd3 26.Kh1 Rxb3 27.Bxb4 { ! } ( 27.Rxb3 { ? } 27...Nxb3 28.Bxb4 Rc1 { ??+ } ) 27...Rc4 { ! } ( 27...Rxb1 28.Qxb1 Rc4 29.Bxe7 { !+?? } ) 28.Rxb3 ( 28.Rxc4 { ? } 28...Rxb1 29.Rc1 Rxc1 30.Qxc1 Bxb4 { ??+ } ) 28...Rxe4 29.Qb1 { ! } 29...Nxb3 30.Bxe7 Rxa4 ( 30...Nd4 31.Qb8+ Kh7 32.Ng5+ { +?? } ) 31.Qxb3 Ra1+ 32.Kh2 Qf5 33.e6 f6 ( 33...fxe6 34.Qb8+ Kh7 ( 34...Kf7 35.Qf8+ Kg6 36.Nh4+ { +?? } ) 35.Ng5+ Kg6 36.Qe8+ Kh6 37.Qh8+ { +?? } ) 34.Bxf6 { ! } {#r} 1-0