[Event "15th olm qual. group 2"]
[Site "Varna BUL"]
[Date "1962.09.18"]
[Round "1"]
[White "Rivera, D. PUR"]
[Black "Tringov, Georgi BUL"]
[Result "0-1"]
[ECO "B86"]
[EventDate "1962.09.16"]
[PlyCount "114"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.a3 Be7 8.O-O O-O
9.Ba2 b5 10.f4 Bb7 11.f5 e5 12.Nde2 Nbd7 13.Ng3 Rc8 14.Bg5 Nb6 15.Nh5 Nc4 
16.Bxf6 Bxf6 17.Nxf6+ Qxf6 18.Bxc4 Rxc4 19.Qd3 Rfc8 20.Rad1 Rd4 21.Qe2 h6 
22.Rf3 Rxd1+ 23.Qxd1 Rc4 24.b3 Rd4 25.Qe2 Qg5 26.Re3 d5 27.exd5 f6 28.Qf3 
Rf4 29.Qe2 Qxf5 30.Rd3 Rd4 31.Qe3 Rxd3 32.cxd3 Qc8 33.d4 Qc7 34.dxe5 fxe5 
35.Qd3 Qc5+ 36.Kf1 Qxa3 37.Ne2 Qa1+ 38.Kf2 Qa3 39.d6 Bc6 40.h3 Qc5+ 41.Kf1
a5 42.Ke1 Qb4+ 43.Kf2 e4 44.Qd1 e3+ 45.Kxe3 Qe4+ 46.Kd2 Qd5+ 47.Kc1 Qxd1+ 
48.Kxd1 Kf7 49.Nd4 Bd7 50.g4 Kf6 51.Kd2 Ke5 52.Ke3 Kxd6 53.Kf4 Kd5 54.Nc2 
Be6 55.h4 Kc5 56.Na1 Kb4 57.Nc2+ Kc3 0-1

