[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.07"]
[Round "4"]
[White "Taimanov, Mark E"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 Nbd7 7. Nf3 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. Ne4 N5f6 12. Ng3 e5 13. O-O e4 14. Nd2 Re8 15. Bb3 Nb6 16. Bc2 Bg4 17. Qe1 Be6 18. Ngxe4 Nxe4 19. Bxe4 Bxa2 20. b3 a5 21. Ra1 Bxb3 22. Bxh7+ Kxh7 23. Nxb3 a4 24. Nc5 Kg8 25. Qb1 Nc4 26. Qc1 b5 27. Nxa4 Nxe3 28. Re1 bxa4 29. Qxc6 Qa7 30. fxe3 a3 31. Qc3 Rec8 32. Qd3 Qa5 33. h3 Rc3 34. Qe4 Qa4 35. Rf1 Qe8 36. Qxe8+ Rxe8 37. Rfe1 Rexe3 38. Rxe3 Rxe3 39. Kf2 Rb3 40. Rc1 Rb8 41. d5 a2 42. Ra1 Ra8 43. Ke3 f6 44. h4 Kf7 45. h5 Ra4 46. Kd3 Ke7 47. Kc3 Kd6 48. Kb3 Ra8 49. Rxa2 Rxa2 50. Kxa2 Kxd5 51. Kb3 Kd4 52. Kb4 f5 53. Kb5 Kd5 54. Kb6 f4 55. Kc7 Ke6 56. Kd8 Kf7 57. Kd7 Kf6 58. Ke8 Kg5 1/2-1/2