[Event "18th olm final B"]
[Site "Lugano SUI"]
[Date "1968.11.02"]
[Round "9"]
[White "Purevzhav, S. MGL"]
[Black "Diaz, Joaquin Carlos CUB"]
[Result "1/2-1/2"]
[ECO "E77"]
[EventDate "1968.10.17"]
[PlyCount "112"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Nf3 c5 7.d5 e6 8.Be2 exd5 9.
exd5 Na6 10.O-O Nc7 11.Bd3 Rb8 12.f5 b5 13.fxg6 hxg6 14.Bg5 bxc4 15.Bxc4 
Qd7 16.b3 Nh7 17.Rc1 Nxg5 18.Nxg5 Qg4 19.Qxg4 Bxg4 20.h3 Bf5 21.g4 Bd7 22.
Nge4 Ne8 23.Ng3 Be5 24.Kg2 Ng7 25.Nce2 f5 26.gxf5 Nxf5 27.Nxf5 Bxf5 28.Ng3
Bd7 29.Ne4 Kg7 30.Rce1 Rxf1 31.Rxf1 Rf8 32.Rxf8 Kxf8 33.Ng5 Bf5 34.Kf3 Ke7
35.Bf1 Bc3 36.Ne4 Bb2 37.Bg2 Bc1 38.Bf1 Bd7 39.Kg3 Bf5 40.Kf3 Bb2 41.Ke3 
Bf6 42.Kf4 Bg7 43.Ke3 Be5 44.Bg2 Kf7 45.Bf3 Bd7 46.Bg4 Bb5 47.h4 c4 48.a4 
Be8 49.bxc4 Bxa4 50.h5 gxh5 51.Bxh5+ Ke7 52.c5 Bb3 53.Nxd6 Bxd5 54.Nc8+ 
Kd7 55.Nxa7 Kc7 56.Be8 Kb7 1/2-1/2

