[Event "Capablanca Memorial-03"]
[Site "Havana"]
[Date "1964.09.03"]
[Round "6"]
[White "Donner, Jan Hein"]
[Black "Letelier Martner, Rene"]
[Result "1-0"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 Nd7 13. Nc4 Ne5 14. Ne3 b6 15. Re1 Rb8 16. f4 Nd7 17. Nc4 Bd4+ 18. Kh1 Nf6 19. Bf3 Ba6 20. Na3 Bf2 21. Bd2 Bd3 22. e5 dxe5 23. Rxe5 Rxe5 24. fxe5 Nfxd5 25. Bxd5 Nxd5 26. Qf3 Nxc3 27. Bxc3 Bh4 28. Rd1 c4 29. Nxc4 Bxc4 30. Rxd8+ Rxd8 31. h3 Be6 32. Bb4 h5 33. Qf4 Rd1+ 34. Kh2 g5 35. Qf3 Rd4 36. Be7 Rd2 37. Qc3 Rf2 38. Qd4 Rf4 39. Qd8+ Kh7 40. Bf6 Rf2 41. Qd3+ Kh6 42. Kg1 Rxb2 43. Be7 Kg7 44. Bf6+ Kh6 45. Qd8 Rb1+ 46. Kh2 Rb3 47. g4 hxg4 48. hxg4 Rb2+ 49. Kh1 Bxg4 50. Qh8+ Kg6 51. Qg8+ Kf5 52. Qc8+ Kg6 53. Qxg4 Rf2 54. Qd7 Rf1+ 55. Kg2 Rf2+ 56. Kg1 Rf4 57. Qe8 Bf2+ 58. Kg2 Bc5 59. Qg8+ Kf5 60. Qxg5+ Ke4 61. Qh5 1-0