[Event "?"]
[Site "?"]
[Date "1966.??.??"]
[Round "?"]
[White "Osnos, Viatcheslav"]
[Black "Stein, Leonid"]
[Result "1/2-1/2"]
[ECO "A64"]
[EventDate "1966.??.??"]
1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 c5 6.d5 e6 7.Nc3 exd5 8.cxd5 d6
9.O-O a6 10.a4 Re8 11.Nd2 Nbd7 12.h3 Rb8 13.Nc4 Ne5 14.Na3 Nh5 15.e3 f5
16.Rb1 Bd7 17.b4 cxb4 18.Rxb4 Qa5 19.Na2 b5 20.Bd2 Qc7 21.axb5 axb5 22.Qb1
Qa7 23.Rb3 Nc4 24.Bc1 Nxg3 25.fxg3 Nxe3 26.Bxe3 Rxe3 27.Kh1 Rxb3 28.Qxb3
Rc8 29.Nc2 Rc4 30.Ncb4 h5 31.Nc6 Qa4 32.Rb1 h4 33.gxh4 Rxh4 34.Qxa4 Rxa4
35.Nab4 Ra3 36.Rf1 Kf7 37.Nd8+ Kf6 38.Ndc6 Kg5 39.Nc2 Rc3 40.N2d4 Bxd4 41.
Nxd4 Rd3 42.Nc6 Kf6 43.Kh2 g5 44.Rb1 f4 45.Rb2 Bf5 46.Nb4 Re3 47.Rf2 Be4
48.Bxe4 Rxe4 49.Rb2 Kf5 50.Kg2 g4 51.hxg4+ Kxg4 52.Nc6 f3+ 53.Kf2 Kf4 54.
Rxb5 Re2+ 55.Kf1 Ra2 56.Rb8 Ra1+ 57.Kf2 Ra2+ 58.Kf1 1/2-1/2