[Event "It (open)"] [Site "masterchessopen.com – Bogota (Colombia)"] [Date "2010.12.04"] [Round "4"] [White "Hernandez Maria Paula (COL)"] [Black "Mateus Martha (COL)"] [Result "0-1"] [WhiteElo "1991"] [BlackElo "2144"] [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 b5 8.Qf3 Bb7 9.Bd3 Nbd7 10.g4 Be7 11.O-O-O h6 12.Bxf6 Bxf6 13.Nde2 b4 14.Nb1 Qa5 15.a3 Nc5 16.axb4 Qxb4 17.Nbc3 Rb8 18.b3 Bxc3 19.Nxc3 Nxb3+ 20.cxb3 Qxc3+ 21.Kb1 Qxb3+ {#R} 0-1