[Event "Capablanca Memorial-03"]
[Site "Havana"]
[Date "1964.09.23"]
[Round "20"]
[White "Portisch, Lajos"]
[Black "Cobo Arteaga, Eldis"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. Nc3 d5 7. cxd5 cxd5 8. O-O b6 9. Ne5 Bb7 10. Bf4 Nc6 11. Rc1 Nxe5 12. dxe5 Nh5 13. Bxd5 Bxd5 14. Qxd5 Nxf4 15. gxf4 Qc8 16. Qf3 Qe6 17. Nd5 Rac8 18. b3 Rfd8 19. e4 Kf8 20. Kg2 Rxc1 21. Rxc1 Rc8 22. f5 gxf5 23. exf5 Qd7 24. e6 Qb7 25. Rxc8+ Qxc8 26. Qe4 Bf6 27. Qc4 Qxc4 28. bxc4 Bd4 29. Nc7 Be5 30. Nd5 Bd4 31. Nf4 Be5 32. Nh5 f6 33. h3 Ke8 34. Kf3 Kd8 35. Ke4 Kc7 36. Kd5 Bd6 37. Ng3 Ba3 38. Ne4 Bb4 39. f3 Ba3 40. h4 Bb4 41. h5 Ba3 42. Nf2 Bc5 43. Ng4 Bg1 44. Nh6 Be3 45. Nf7 a6 46. h6 b5 47. cxb5 axb5 48. Ke4 Bc1 49. f4 Bd2 50. Nh8 Kd8 51. Ng6 Ke8 52. Nh4 b4 53. Ng2 Kd8 54. Kd3 Bc1 55. Kc2 Ba3 56. Nh4 1-0