[Event "15th olm qual. group 2"]
[Site "Varna BUL"]
[Date "1962.09.22"]
[Round "4"]
[White "Roth, Rolf SUI"]
[Black "Tringov, Georgi BUL"]
[Result "0-1"]
[ECO "E74"]
[EventDate "1962.09.16"]
[PlyCount "74"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Bg5 c5 7.d5 Qa5 8.Bd2 e6 9.
Bd3 exd5 10.cxd5 a6 11.Nge2 Nbd7 12.O-O Ne5 13.Bc2 Nc4 14.Bc1 b5 15.Ng3 
Re8 16.Nce2 Nd7 17.Rb1 Qxa2 18.b3 Na3 19.Bxa3 Qxa3 20.f4 c4 21.b4 Qe3+ 22.
Kh1 a5 23.Rf3 Qb6 24.bxa5 Rxa5 25.e5 dxe5 26.f5 Nf6 27.Nc3 b4 28.Qf1 Ba6 
29.fxg6 fxg6 30.d6 Qxd6 31.Nce4 Nxe4 32.Nxe4 Qe7 33.Rd1 b3 34.Bb1 Rd8 35.
Rxd8+ Qxd8 36.Nf6+ Bxf6 37.Rxf6 Rd5 0-1

