[Event "Palma de Mallorca"] [Site "Palma ESP"] [Date "1971.12.02"] [EventDate "1971.11.29"] [Round "4"] [Result "1/2-1/2"] [White "Raymond Keene"] [Black "Istvan Csom"] [ECO "D37"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "33"] 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 Nbd7 6.cxd5 exd5 7.e3 c6 8.Bd3 O-O 9.Qc2 Re8 10.O-O Nf8 11.Rae1 g6 12.Ne5 Ne6 13.Bh6 Ng7 14.f3 Bf5 15.Bxg7 Bxd3 16.Nxd3 Kxg7 17.Qf2 1/2-1/2