[Event "Olympiad-27"] [Site "Dubai"] [Date "1986.11.18"] [Round "4"] [White "Guevara, Martin"] [Black "Krew, N"] [Result "1-0"] [WhiteElo "2305"] [BlackElo "2205"] 1. d4 d5 2. Nf3 Nf6 3. Bg5 Nbd7 4. e3 e6 5. c4 Be7 6. Nc3 O-O 7. cxd5 Nxd5 1-0