[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.06"]
[Round "13"]
[White "Diaz Diaz, Joaquin Carlos"]
[Black "Pinal, Nelson Borges"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. a3 Be7 9. Qf3 Bb7 10. O-O-O Qb6 11. f5 e5 12. Bxf6 Bxf6 13. Nb3 Nd7 14. h4 Nc5 15. Nd5 Bxd5 16. Rxd5 Rc8 17. g4 h6 18. Kb1 Qd8 19. Nxc5 Rxc5 20. Qd3 Rxd5 21. Qxd5 O-O 22. c4 bxc4 23. Bxc4 a5 24. h5 Qb6 25. Rc1 Bg5 26. Rc3 a4 27. Qb5 Qa7 28. Qa6 Qg1+ 29. Ka2 Be3 30. Bxf7+ Kxf7 31. Qc4+ Kf6 32. Qe6+ Kg5 33. Qe7+ Kf4 34. Qxf8 Bd4 35. Rc4 Qd1 36. Qb8 Kxe4 37. Rb4 Qxg4 38. Qxd6 Qxf5 39. Qc6+ Ke3 40. Qxa4 Qxh5 41. Qc2 g5 42. Qf5 Qe2 43. Qh3+ Ke4 44. Qxh6 g4 45. Rb3 Be3 46. Qg6+ Kf4 47. Rc3 Bd4 48. Rc2 Qf3 49. Qh6+ Ke4 50. Rg2 Qf7+ 51. Kb1 Qf1+ 52. Ka2 Qf7+ 53. Kb1 1/2-1/2