[Event "15th olm final B"]
[Site "Varna BUL"]
[Date "1962.09.30"]
[Round "4"]
[White "Roth, Rolf SUI"]
[Black "Thorvaldsson, Jonas ISL"]
[Result "1-0"]
[ECO "B52"]
[EventDate "1962.09.16"]
[PlyCount "155"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Qe2 g6 7.c3 Bg7 8.d4
e5 9.Na3 O-O 10.dxe5 dxe5 11.Nc4 Qc7 12.a4 Qc6 13.Re1 Rfe8 14.Qc2 h6 15.
Bd2 Qe6 16.b3 Nh5 17.Rad1 Rad8 18.Be3 Nb6 19.Na5 Qc8 20.Rxd8 Rxd8 21.Rd1 
Rxd1+ 22.Qxd1 Qc7 23.Qd3 Nxa4 24.Nxb7 Qxb7 25.bxa4 Qb2 26.g3 Qa1+ 27.Kg2 
Qxa4 28.Bxc5 Nf6 29.Nd2 a5 30.Bb6 Nd7 31.Bxa5 Qxa5 32.Qxd7 Qxc3 33.Qd5 Qd4
34.Qxd4 exd4 35.Kf3 Kf8 36.Ke2 Ke7 37.Kd3 Kd6 38.Nb3 f5 39.exf5 gxf5 40.
Nxd4 Ke5 41.Nc6+ Kd6 42.Nd4 Ke5 43.Ne2 Bf8 44.Ke3 Bb4 45.Nf4 Ba5 46.Kf3 
Bd2 47.Nh5 Be1 48.h3 Ke6 49.Nf4+ Kf6 50.Nd3 Bd2 51.g4 Bc3 52.gxf5 Kxf5 53.
Nf4 Kg5 54.Ng2 Bd4 55.Kg3 Bf6 56.f4+ Kf5 57.Kf3 Bd8 58.Ne3+ Kg6 59.Kg4 Ba5
60.Nf1 Bc3 61.Ng3 Be1 62.h4 Bb4 63.h5+ Kf6 64.Nf5 Bf8 65.Ne3 Bc5 66.Kf3 
Bd4 67.Ke4 Bc5 68.Ng4+ Kg7 69.Kd5 Ba3 70.Ke6 Bc1 71.f5 Bd2 72.f6+ Kf8 73.
Kf5 Kf7 74.Ne5+ Kg8 75.Kg6 Bb4 76.Nd7 Ba3 77.Ne5 Bd6 78.Nf7 1-0

