[Event "15th olm qual. group 3"]
[Site "Varna BUL"]
[Date "1962.09.20"]
[Round "3"]
[White "Ivkov, Borislav YUG"]
[Black "Thorvaldsson, Jonas ISL"]
[Result "1-0"]
[ECO "B63"]
[EventDate "1962.09.16"]
[PlyCount "99"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O
Bd7 9.Ndb5 Qb6 10.Nxd6+ Bxd6 11.Qxd6 O-O-O 12.Be3 Qa5 13.Qc5 Qxc5 14.Bxc5 
e5 15.f3 Be6 16.Bb5 Nd7 17.Bf2 Nb6 18.Rxd8+ Rxd8 19.Rd1 Nd4 20.Bf1 Bc4 21.
Bxc4 Nxc4 22.b3 Na5 23.Bxd4 exd4 24.Nb5 Nc6 25.c3 d3 26.Kd2 a6 27.Nd4 Nxd4
28.cxd4 Rxd4 29.Ke3 Rd6 30.Rxd3 Rh6 31.h3 Rg6 32.Rd2 Kc7 33.h4 Kc6 34.g4 
b5 35.g5 h6 36.f4 hxg5 37.hxg5 Re6 38.e5 a5 39.Ke4 Rg6 40.Rd8 Re6 41.f5 
Re7 42.f6 gxf6 43.gxf6 Ra7 44.e6 fxe6 45.Ke5 a4 46.Rc8+ Kb6 47.b4 Rh7 48.
Kxe6 Rh2 49.f7 Re2+ 50.Kd5 1-0

