[Event "15th olm qual. group 4"]
[Site "Varna BUL"]
[Date "1962.09.25"]
[Round "8"]
[White "Ortega, Rogelio CUB"]
[Black "O'Hare, Eugene IRL"]
[Result "1-0"]
[ECO "B76"]
[EventDate "1962.09.16"]
[PlyCount "89"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f3 Bg7 7.Be3 O-O 8.g4 Nc6
9.Nde2 Be6 10.Ng3 Qa5 11.a3 Rac8 12.Kf2 Rfd8 13.b4 Qe5 14.Nge2 Bxg4 15.Bf4
Qh5 16.fxg4 Qh4+ 17.Bg3 Nxg4+ 18.Kg1 Qf6 19.Rb1 Nce5 20.Bg2 Nf3+ 21.Bxf3 
Qxf3 22.Nd5 e6 23.Rb3 Bc3 24.Rxc3 Rxc3 25.Nexc3 Qxd1+ 26.Nxd1 exd5 27.exd5
Rc8 28.c3 Nf6 29.Bxd6 Nxd5 30.Bc5 Nf4 31.Bd4 f5 32.Kf2 b6 33.Nb2 b5 34.Re1
Kf7 35.a4 bxa4 36.Ra1 Ne6 37.Ke3 g5 38.Rxa4 f4+ 39.Kd3 Nxd4 40.Kxd4 h5 41.
Rxa7+ Kg6 42.Nd3 Kf5 43.Ra5+ Kg6 44.c4 Re8 45.c5 1-0

