[Event "Olympiad (w)"] [Site "masterchessopen.com – Moscow (Russia)"] [Round "5"] [White "Marinello Beatriz M (USA)"] [Black "Roschina Tatiana (RUS)"] [Result "0-1"] [WhiteElo "2220"] [BlackElo "2135"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Qc7 8.Bd3 b5 9.O-O Nbd7 10.Qe1 b4 11.Nd5 Nxd5 12.exd5 Bb7 13.Qxb4 Bxd5 14.Bd2 Be7 15.Rae1 O-O 16.c4 Bc6 17.Nxe5 Nxe5 18.fxe5 dxe5 19.Qa5 Qd7 20.Qxe5 Qxd3 21.Bc3 Qg6 {#R} 0-1