[Event "corr."] [Site "masterchessopen.com Czechoslovakia"] [Round "0"] [White "Hajda J"] [Black "Gruener G"] [Result "1-0"] [WhiteElo "2050"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7 9.f4 Bb7 10.e5 dxe5 11.fxe5 Bc5 12.Be3 Nc6 13.exf6 Bxd4 14.Qe1 gxf6 15.Nd5 Qd6 16.Bxd4 Nxd4 17.Nxf6+ Kf8 18.Rd1 Qc6 19.Bd5 exd5 20.Rxd4 Rd8 21.Qe5 Qe6 22.Nxh7+ Ke7 23.Rxf7+ {#r} 1-0