[Event "Ch Sweden"] [Site "masterchessopen.com Sweden"] [Round "0"] [White "Ostberg Peter (SWE)"] [Black "Hammar Bengt (SWE)"] [Result "1-0"] [WhiteElo "2228"] [BlackElo "2256"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 e6 9.O-O Be7 10.Rac1 h6 11.Bh4 Ne5 12.Bb3 g5 13.Bg3 Bd7 14.f4 gxf4 15.Rxf4 Nh7 16.Rf2 O-O-O 17.Nd5 Qxd2 18.Nxe7+ Kc7 19.Rxd2 Rhe8 20.Nf3 {#r} 1-0