[Event "Tournament (open)"] [Site "masterchessopen.com Santiago (Chile)"] [Date "2011.09.14"] [Round "4"] [White "Perez Gormaz Matias"] [Black "Olivares Olivares Claudio"] [Result "1-0"] [WhiteElo "2188"] [BlackElo "2203"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd3 Qxb2 9.Rb1 Qa3 10.f5 Nc6 11.fxe6 fxe6 12.Nxc6 bxc6 13.Be2 Be7 14.Bh5+ g6 15.e5 Nd5 16.Rb3 Qa5 17.Bxe7 Nxc3 18.O-O Qc5+ 19.Kh1 Kxe7 20.exd6+ Kd8 21.Rxc3 Qb5 22.Qf3 Qf5 23.Qe2 Qxh5 24.Qf2 c5 25.Qf6+ {#r} 1-0