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

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6 11. Rb1 Bxf3 12. Bxf3 f5 13. b4 Qh4 14. O-O f4 15. Bd2 axb4 16. axb4 Nf6 17. Be2 g5 18. f3 Nh5 19. Be1 Ng3 20. Bd3 Rf6 21. Qa4 Rh6 22. h3 Rf8 23. Qd7 Rhf6 24. Bxg3 fxg3 25. Qg4 h5 26. Qxh4 gxh4 27. Rfe1 Bh6 28. Re2 Ra8 29. Ra1 Rff8 30. Ra4 Nxb4 31. Rxb4 Ra3 32. Rc2 Be3+ 33. Kf1 Bd4 34. Nb5 Rxd3 35. Nxc7 Rd1+ 36. Ke2 Rg1 37. Kd3 Bf2 38. Ne6 Ra8 39. c5 dxc5 40. Rxb7 Ra4 41. d6 Rd1+ 42. Kc3 Rxd6 43. Kb3 Ra1 44. Nc7 Rd3+ 45. Kc4 Rd4+ 46. Kc3 Be1+ 47. Kb2 Rdd1 48. Kb3 Rdb1+ 49. Rb2 c4+ 50. Kxc4 Rxb2 51. Rxb2 Rc1+ 52. Kd5 Rxc7 53. Kxe5 Bc3+ 54. Kd6 Bxb2 55. Kxc7 Kf7 56. Kd6 Kf6 57. Kd5 Kg5 58. Kc4 1/2-1/2