[Event "Havana ol (Men) qual-D"]
[Site "Havana CUB"]
[Date "1966.10.26"]
[EventDate "1966.10.25"]
[Round "1"]
[Result "0-1"]
[White "Rene Letelier Martner"]
[Black "Wolfgang Heidenfeld"]
[ECO "C13"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "114"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 b6
7. Nf3 Ba6 8. Bxa6 Nxa6 9. Qe2 Nb8 10. O-O Qd7 11. Rfe1 Nc6
12. Nb1 Bd8 13. Nbd2 Nge7 14. c3 Nf5 15. Bg5 Bxg5 16. Nxg5 h6
17. Nh3 O-O-O 18. Qa6+ Kb8 19. b4 Nfxd4 20. b5 Nc2 21. Qa4
N6b4 22. cxb4 Nxa1 23. Rxa1 d4 24. Qb3 Qxb5 25. Nc4 d3 26. a4
Qd5 27. Rd1 g5 28. f3 Qc6 29. Nf2 Rd4 30. Ne3 d2 31. Ne4 Rhd8
32. b5 Qd7 33. Qb2 Rxe4 34. fxe4 Qd3 35. Nf1 Qxe4 36. Rxd2
Rxd2 37. Nxd2 Qxa4 38. h3 Qd1+ 39. Kh2 Qe2 40. Qd4 Qxb5
41. Qd8+ Kb7 42. Qf6 Qb4 43. Nf3 Qf4+ 44. Kg1 Qxf6 45. exf6 a5
46. Ne5 a4 47. Nxf7 Kc8 48. Nd6+ Kd7 49. Nb5 c6 50. Nd4 a3
51. f7 a2 52. f8=N+ Ke8 53. Nb3 Kxf8 54. Kf2 Ke7 55. Ke3 Kd6
56. Kd4 c5+ 57. Kc3 Ke5 0-1