[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.02.22"]
[Round "4"]
[White "Barreras, Alberto"]
[Black "Diaz Diaz, Joaquin Carlos"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Re1 Rc8 9. Bg5 e6 10. Nxc6 Qxc6 11. Bxf6 gxf6 12. Nc3 Qc5 13. Qf3 Be7 14. Rad1 Qb4 15. Rb1 O-O 16. Re3 Kh8 17. a3 Qc5 18. Rbe1 Qe5 19. Qg3 Rg8 20. Qxe5 dxe5 21. Rd1 Rc7 22. Red3 Rgc8 23. Kf1 a6 24. Rd7 Kg8 25. Rxc7 Rxc7 26. Rd3 Kf8 27. Ke2 f5 28. exf5 exf5 29. Rh3 b5 30. Kd2 b4 31. axb4 Bxb4 32. Rxh7 Ke7 33. Rh6 a5 34. f3 a4 35. Rb6 Ba5 36. Rb5 Ra7 37. Rxe5+ Kd6 38. Rd5+ Ke6 39. Rb5 a3 40. bxa3 Rd7+ 41. Ke3 Bxc3 42. Rb6+ Ke7 43. Rb3 Bd2+ 44. Ke2 Bc1 45. Rd3 Rxd3 46. Kxd3 Bxa3 47. Kc4 Kd6 48. Kb5 Bc5 49. h4 Bf2 50. h5 Ke6 51. Kc6 Bg3 52. c4 Kf6 53. Kd7 Kg5 54. Ke7 Be5 55. g4 fxg4 56. fxg4 Kxg4 57. Kxf7 Kxh5 1/2-1/2