[Event "Ch Puerto Rico"] [Site "masterchessopen.com Caguas (PuertoRico)"] [Date "2006.04.01"] [Round "8"] [White "Santana-Alvarado Miguel (PUR)"] [Black "Machin-Rivera Mark (PUR)"] [Result "0-1"] [WhiteElo "2131"] [BlackElo "2066"] [ECO "B54"] [Opening "Sicilian: Open, 2...d6, 4...Nf6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 Nxd4 10.Qxd4 Qa5 11.Bd3 e5 12.Qg1 Bg4 13.Re1 Rfc8 14.f5 Rxc3 15.Bd2 Rxc2+ 16.Bxc2 Qxa2 17.Bc3 d5 18.h3 d4 19.Bxd4 exd4 20.Qxd4 Nxe4 21.Rxe4 Bg5+ 22.Re3 Qa1+ 23.Bb1 Bxe3+ 24.Qxe3 Rc8+ 25.Kd2 Qxb2+ {#R} 0-1