[Event "15th olm final B"]
[Site "Varna BUL"]
[Date "1962.10.09"]
[Round "11"]
[White "Sliwa, Bogdan POL"]
[Black "Penrose, Jonathan ENG"]
[Result "1/2-1/2"]
[ECO "A24"]
[EventDate "1962.09.16"]
[PlyCount "103"]

1.c4 g6 2.Nc3 Bg7 3.g3 d6 4.Bg2 e5 5.e3 Nf6 6.Nge2 O-O 7.O-O Re8 8.b4 Nbd7
9.Bb2 Nf8 10.d4 e4 11.Qc2 Qe7 12.h3 h5 13.Nd5 Nxd5 14.cxd5 Bf5 15.Kh2 Rac8
16.Rfc1 Nh7 17.b5 Ng5 18.a4 Nf3+ 19.Kh1 Qd7 20.h4 Bf6 21.Ng1 Bxh4 22.Qd1 
Nxg1 23.Kxg1 Bg5 24.Qc2 h4 25.Ra3 h3 26.Bh1 Kg7 27.Kh2 Bd8 28.g4 Bxg4 29.
Bxe4 Qe7 30.Bh1 Qh4 31.Rg1 Bf6 32.Bc3 Re7 33.Raa1 Qh5 34.Rae1 Rce8 35.Qd2 
Bf3 36.Rg3 Bxh1 37.Rxh1 Rh8 38.f3 Qxd5 39.e4 Qb3 40.Rxh3 Ree8 41.Kg2 d5 
42.e5 Be7 43.e6 Rxh3 44.Rxh3 Rh8 45.Rxh8 Kxh8 46.Qh6+ Kg8 47.exf7+ Kxf7 
48.Qh7+ Kf6 49.Qh8+ Kf7 50.Qh7+ Kf6 51.Qh8+ Kf7 52.Qh7+ 1/2-1/2

