[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.11"]
[Round "17"]
[White "Spassov, Liuben"]
[Black "Barreras, Alberto"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. e3 c6 7. Nf3 a6 8. h3 dxc4 9. Bxc4 b5 10. Bb3 Bb7 11. O-O Nbd7 12. a4 Rc8 13. Qe2 b4 14. Na2 c5 15. Rcd1 Qb6 16. d5 Ne4 17. Nd2 Nxd2 18. Rxd2 Ne5 19. Bxe5 Bxe5 20. Bc4 a5 21. Nc1 Rfd8 22. f4 Bg7 23. Nb3 Kh8 24. e4 e6 25. dxe6 Rxd2 26. Nxd2 fxe6 27. b3 Qd6 28. e5 Qd4+ 29. Rf2 Rf8 30. g3 g5 31. Bxe6 gxf4 32. gxf4 Rxf4 33. Nc4 Bh6 34. Kf1 Re4 35. Qf3 Re1+ 36. Kxe1 Bxf3 37. Rxf3 Qg1+ 38. Ke2 Qg2+ 39. Rf2 Qe4+ 40. Kf1 Qh1+ 41. Ke2 Qe4+ 42. Kf1 Qb1+ 43. Kg2 Qxb3 44. Bf7 Qxa4 45. Nd6 Qc6+ 46. Kf1 Bg7 47. Bc4 h6 48. Rf4 Qh1+ 49. Ke2 Qh2+ 50. Kf3 Qxh3+ 51. Kf2 b3 52. Nf7+ Kh7 53. Bd5 Qh2+ 54. Ke3 Qg3+ 55. Rf3 Qe1+ 56. Kf4 b2 57. Rb3 Qc1+ 58. Kg3 b1=Q 0-1