Osnos, Viatcheslav VS Averbakh, Yuri L 1968.??.??

[Event "Match/City Moscow-Leningrad"]
[Site "Moscow"]
[Date "1968.??.??"]
[Round "?"]
[White "Osnos, Viatcheslav"]
[Black "Averbakh, Yuri L"]
[Result "0-1"]

1. c4 c5 2. Nc3 g6 3. e3 Bg7 4. d4 Nf6 5. d5 O-O 6. g4 d6 7. g5 Ne8 8. h4 Bxc3+ 9. bxc3 e5 10. dxe6 Bxe6 11. Nh3 Nc6 12. Nf4 Bc8 13. Nd5 Ne7 14. e4 Nxd5 15. Qxd5 Bd7 16. h5 Bc6 17. Qd3 Ng7 18. hxg6 Bxe4 19. Qxe4 Re8 20. gxf7+ Kxf7 21. Bd3 Rxe4+ 22. Bxe4 Qe7 23. f3 d5 24. cxd5 Qe5 25. Rb1 b6 26. Rxh7 Kg8 27. Rh6 Rf8 28. Kd1 Rxf3 29. Bxf3 Qf5 30. d6 Qxf3+ 31. Kc2 Nf5 32. Rg6+ Kh7 33. Re6 Qd5 34. d7 Qxd7 35. Re5 Nd6 36. Rb3 Nc4 37. g6+ Kg8 38. Rg5 Qe6 39. Kb1 Qe4+ 40. Ka1 Qe1 41. Kb1 a5 0-1