[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.22"]
[Round "14"]
[White "Cuellar Gacharna, Miguel"]
[Black "Larsen, Bent"]
[Result "0-1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. e3 Bb4 6. Bd2 O-O 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 d6 10. Bd3 Nd7 11. O-O f5 12. Bxe4 fxe4 13. Ne1 Qg5 14. Qe2 Nf6 15. f4 exf3 16. Nxf3 Qh5 17. d5 Rae8 18. Bxf6 Rxf6 19. dxe6 Rfxe6 20. Rc3 Qc5 21. Re1 a5 22. Qd2 Rg6 23. Rf1 Rf8 24. Ne1 Rxf1+ 25. Kxf1 Qh5 26. Kg1 Be4 27. Rc1 Rh6 28. h3 Qg5 29. Kh2 Qe5+ 30. Kg1 Qg3 31. Qf2 Rxh3 32. Qxg3 Rxg3 33. Kf2 Rg5 34. b4 Kf7 35. Nf3 Rf5 36. Kg3 Ke7 37. Nd2 Bb7 38. Nf3 h6 39. Rc2 Be4 40. Rd2 d5 41. c5 bxc5 42. bxc5 Kd7 43. Nd4 Rf1 44. Rf2 Rxf2 45. Kxf2 h5 46. Kg3 g5 47. Kh3 a4 48. Kg3 Bd3 49. Kf3 Ke7 50. Nc6+ Kf6 51. Nd4 Ba6 52. Nc6 Bc8 53. Nd4 Bd7 54. Nc2 h4 55. Nb4 Ke5 56. Nd3+ Kf5 57. Nf2 Bc6 58. g4+ Kf6 59. Ke2 Bb5+ 60. Kf3 Bf1 61. Nd1 Ke5 62. Nc3 d4 63. exd4+ Kxd4 64. Nxa4 Bd3 65. Nb2 Bc2 66. a4 Kc3 67. a5 Kxb2 68. a6 Ba4 0-1