[Event "15th olm qual. group 4"]
[Site "Varna BUL"]
[Date "1962.09.22"]
[Round "5"]
[White "Penrose, Jonathan ENG"]
[Black "Portisch, Lajos HUN"]
[Result "1-0"]
[ECO "B12"]
[EventDate "1962.09.16"]
[PlyCount "61"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Ne2 e6 5.Ng3 Bg6 6.c4 Ne7 7.Nc3 Nd7 8.Be3 dxc4 
9.Bxc4 Nd5 10.O-O N7b6 11.Bb3 Qd7 12.Rc1 Be7 13.Qe2 f6 14.exf6 gxf6 15.Bh6
O-O-O 16.a4 Nxc3 17.bxc3 Nd5 18.Rfe1 Rhe8 19.Qf3 Bf8 20.Bxf8 Rxf8 21.Ne4 
b6 22.a5 e5 23.c4 Nb4 24.d5 f5 25.Ng5 e4 26.Qc3 Nd3 27.Ne6 Nxc1 28.Rxc1 c5
29.axb6 axb6 30.Ra1 Qd6 31.Ra7 1-0

