[Event "URS-ch31 Final"]
[Site "Leningrad"]
[Date "1963.11.??"]
[Round "12"]
[White "Averbakh, Yuri L"]
[Black "Zakharov, Alexander V"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 a5 7. Nc3 c6 8. a4 d5 9. Bb2 Na6 10. Re1 Nb4 11. Na2 Ne4 12. Nd2 Ng5 13. c4 Bh3 14. Nf3 Nxf3+ 15. Bxf3 Nxa2 16. Rxa2 Bf5 17. e3 h5 18. Ra1 Qd7 19. h4 Be4 20. Bxe4 dxe4 21. Qc2 Qf5 22. Rad1 Rfd8 23. Ba3 Bf6 24. Qe2 Kg7 25. Kg2 Rd7 26. Bc5 e6 27. Rf1 Qg4 28. Qxg4 hxg4 29. Rd2 Rb8 30. Ba7 Ra8 31. Bc5 Rb8 32. Bb6 Bd8 33. Bxd8 Rbxd8 34. Rfd1 Kf6 35. Kf1 Ke7 36. Ke2 f5 37. Rb1 Kf6 38. b4 axb4 39. c5 e5 40. Rxb4 Ke6 41. a5 1/2-1/2