[Event "Buenos Aires ol (Men)"]
[Site "Buenos Aires"]
[Date "1978.??.??"]
[Round "?"]
[White "Grinberg, Ricardo"]
[Black "Nunn, John DM"]
[Result "0-1"]
[WhiteElo "2405"]
[BlackElo "2440"]
[ECO "B93"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Nbd7 7.Bd3 g6 8.Nf3 Bg7
9.O-O O-O 10.a4 b6 11.Qe1 Nc5 12.Qh4 Bb7 13.f5 b5 14.fxg6 fxg6 15.Be3 Nxd3
16.cxd3 Qd7 17.a5 Rac8 18.h3 e5 19.Bd2 Nh5 20.Ng5 h6 21.Qg4 Rxf1+ 22.Rxf1 Qxg4
23.hxg4 Nf4 24.Bxf4 exf4 25.Ne6 g5 26.Nxg7 Kxg7 27.Rc1 d5 28.e5 d4 29.Ne2 Rxc1+
30.Nxc1 Bc8 31.Nb3 Bxg4 32.Nxd4 Kg6 33.Kf2 Bc8 34.b4 h5 35.Kf3 h4 36.Nb3 Kf5
37.d4 g4+ 38.Kf2 g3+ 39.Kg1 Be6 40.Nc5 Bd5  0-1

