[Event "Ch Paulista"] [Site "masterchessopen.com – Santos (Brazil)"] [Date "2010.08.19"] [Round "1"] [White "Matsuura Everaldo (BRA)"] [Black "Costa Giovanni (BRA)"] [Result "1-0"] [WhiteElo "2484"] [BlackElo "1918"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nc6 8.Be2 e6 9.O-O Nd5 10.e4 Nb6 11.Rd1 Qe7 12.Bg5 Qb4 13.Qxb4 Nxb4 14.Be7 Nc2 15.Rac1 Re8 16.Bc5 Nxd4 17.Bxd4 Bxd4 18.Nxd4 Bd7 19.e5 a6 20.Ne4 {#r} 1-0