[Event "Ch City"] [Site "masterchessopen.com - Rio de Janeiro (Brazil)"] [Date "1984.11.16"] [Round "2"] [White "Mascarenhas Alberto (BRA)"] [Black "Yamamoto Leonardo Massahite"] [Result "1-0"] [WhiteElo "2260"] [BlackElo "1958"] [ECO "A18"] [Opening "English: Mikenas, 3...d6"] 1.c4 Nf6 2.Nc3 e6 3.e4 d6 4.d4 c5 5.Nf3 Be7 6.Be2 O-O 7.O-O Nbd7 8.h3 cxd4 9.Nxd4 d5 10.exd5 exd5 11.Nf5 Bb4 12.Nxd5 Nxd5 13.cxd5 Nb6 14.Nxg7 Qxd5 15.Nh5 Qxd1 16.Rxd1 Be6 17.Bf3 Rad8 18.Bh6 {#r} 1-0