[Event "Las Palmas"]
[Site "Las Palmas ESP"]
[Date "1975.04.08"]
[EventDate "1975.04.06"]
[Round "3"]
[Result "1/2-1/2"]
[White "Fernando Visier Segovia"]
[Black "Tigran Vartanovich Petrosian"]
[ECO "E54"]
[WhiteElo "2375"]
[BlackElo "2645"]
[PlyCount "67"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 d5 6.Nf3 O-O 7.O-O
dxc4 8.Bxc4 a6 9.Bd3 cxd4 10.exd4 Nc6 11.Be3 Be7 12.Rc1 Nb4
13.Bb1 b6 14.Ne5 Bb7 15. Re1 Rc8 16.Bg5 g6 17.Bh6 Re8 18.Qe2
Qd6 19.Rcd1 b5 20.a3 Nbd5 21.Ne4 Nxe4 22.Bxe4 Bf6 23.Qf3 Qe7
24.Rc1 Red8 25.Rxc8 Rxc8 26.Nd3 Ba8 27.h3 Qd6 28. Ne5 Bxe5
29.Bxd5 Bh2+ 30.Kh1 Qxd5 31.Qxd5 Bxd5 32.Kxh2 f6 33.Rc1 Rxc1
34. Bxc1 1/2-1/2