[Event "Tournament (open)"] [Site "masterchessopen.com Rio de Janeiro (Brazil)"] [Date "2009.04.04"] [Round "5"] [White "Mascarenhas Alberto (BRA)"] [Black "Maia Marco Aurelio Ferreira (BRA)"] [Result "1-0"] [WhiteElo "2206"] [BlackElo "2136"] [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.Nb3 Nbd7 9.Qe2 Qc7 10.O-O-O b5 11.a3 Bb7 12.g4 h6 13.Bxf6 gxf6 14.Bg2 Be7 15.Rhe1 Nb6 16.Na5 Rc8 17.Nxb7 Qxb7 18.e5 Qc7 19.exf6 Bxf6 20.Ne4 Be7 21.f5 d5 22.Ng3 Na4 23.fxe6 fxe6 24.Qd3 Qf4+ 25.Kb1 Qf6 26.c3 Bxa3 27.Nh5 Qf7 28.Rxe6+ {#r} 1-0