[Event "Biel Interzonal"]
[Site "Biel SUI"]
[Date "1976.08.03"]
[EventDate "1976.07.11"]
[Round "17"]
[Result "1-0"]
[White "Efim Geller"]
[Black "Joaquin Carlos Diaz Diaz"]
[ECO "E81"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "69"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.f3 O-O 6.Be3 Nbd7 7.Nh3
e5 8.d5 Nh5 9.Qc2 Nc5 10.Nf2 a5 11.O-O-O b6 12.Nd3 Bd7 13.Kb1
f5 14.Bc1 Rb8 15.Nf2 Kh8 16.Be3 Qe7 17.Ka1 Nf6 18.Be2 Nh5
19.Bf1 Rf7 20.Nb5 Qf8 21.Bxc5 Bxb5 22.cxb5 bxc5 23.a4 Bh6
24.Re1 Nf6 25.Bd3 Nd7 26.b3 Nb6 27.h4 Bg7 28.h5 gxh5 29.Rxh5
Nxd5 30.exd5 e4 31.Ka2 exd3 32.Nxd3 Re8 33.Reh1 Rfe7 34.Nf4
Kg8 35.Rxf5 1-0