[Event "Tournament (open)"] [Site "masterchessopen.com Rio de Janeiro (Brazil)"] [Date "2010.07.24"] [Round "5"] [White "Coutinho Marco de Castro"] [Black "Yunes David Teles (BRA)"] [Result "0-1"] [BlackElo "1847"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Bg4 11.f3 Na5 12.Bd3 cxd4 13.cxd4 Be6 14.Qd2 Nc4 15.Bxc4 Bxc4 16.Rfc1 Bxe2 17.Qxe2 Bxd4 18.Rc4 Bxa1 {#R} 0-1