[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "17"]
[White "Osnos, Viatcheslav"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]

1. d4 g6 2. Nf3 Bg7 3. c4 Nf6 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O c5 8. e4 Nf6 9. e5 Nd5 10. dxc5 Na6 11. Qe2 Nxc5 12. Rd1 e6 13. Nc3 Nxc3 14. bxc3 Qc7 15. Bg5 b6 16. Qe3 Bb7 17. Rd4 Rac8 18. Re1 Bxf3 19. Bxf3 Nd7 20. Bf4 g5 21. Rxd7 gxf4 22. Rxc7 fxe3 23. Rxa7 exf2+ 24. Kxf2 Rxc3 25. Rb7 Rc2+ 26. Re2 Rxe2+ 27. Kxe2 Ra8 28. Bh5 Rxa2+ 29. Kf3 Rxh2 30. Bxf7+ Kf8 31. Bxe6 Bxe5 32. Rxb6 1/2-1/2