[Event "Tournament (CBI)"] [Site "masterchessopen.com corr."] [Round "0"] [White "Portilho Gilberto F"] [Black "Alvim Antonio Carlos (BRA)"] [Result "1-0"] [BlackElo "2225"] [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 Qc7 11.Rc1 Rd8 12.Qd2 a6 13.Bh6 b5 14.Bxg7 Kxg7 15.Bb3 Qd7 16.Rcd1 e6 17.f4 f5 18.Qe3 c4 19.Bc2 Ne7 20.d5 Qa7 21.Qxa7 Rxa7 22.d6 Nc6 23.e5 a5 24.Rb1 Ba6 25.Kf2 Rb8 26.Ke3 b4 27.Ba4 Nd8 28.Nd4 Rab7 29.Rfc1 Rb6 30.Bd1 Nc6 31.Nxc6 {#r} 1-0