[Event "Interzonal-12a"]
[Site "Las Palmas"]
[Date "1982.07.16"]
[Round "4"]
[White "Psakhis, Lev"]
[Black "Tukmakov, Vladimir B"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2500"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 Qc7 10. Be2 Nc6 11. Bb2 Rd8 12. Qc2 e5 13. dxe5 Nxe5 14. c4 Nxf3+ 15. Bxf3 Qa5+ 16. Qc3 Qxc3+ 17. Bxc3 Be6 18. Bxb7 Rab8 19. Ba5 Rd3 20. Bf3 Bxc4 21. O-O Rb5 22. Bc7 Nd5 23. a4 Rbb3 24. Rfc1 Nxc7 25. Rxc4 Ne6 26. Kf1 Kf8 27. Ke2 Ke7 28. h4 f5 29. g4 g6 30. gxf5 gxf5 31. Ra2 Rd8 32. a5 Rdb8 33. Bd5 Rb2+ 34. Rc2 Rxc2+ 35. Rxc2 Rb5 36. a6 Rb6 37. Bc4 h6 38. f4 Kf6 39. Kd3 Nc7 40. Ra2 Ne8 41. Bd5 Nc7 42. Bc4 Rd6+ 43. Kc3 Nd5+ 44. Bxd5 Rxd5 45. Kc4 Rd6 46. h5 Rb6 47. Kxc5 Ke6 48. Ra3 Kf6 49. Kd5 Rb5+ 50. Kc4 Rb6 51. Ra5 Re6 52. Kc5 Rb6 53. Kd5 Re6 54. Ra1 Rb6 55. Rg1 Kf7 56. Rc1 Rxa6 57. Rc7+ Kf6 1/2-1/2