[Event "Olympiad-17 Final D"]
[Site "Havana"]
[Date "1966.11.07"]
[Round "4"]
[White "Kroon, Piet"]
[Black "Weiss, Leon"]
[Result "1/2-1/2"]

1. e4 c5 2. b4 cxb4 3. a3 Nc6 4. axb4 Nxb4 5. c3 Nc6 6. d4 d5 7. e5 g6 8. Ne2 h5 9. Nf4 e6 10. Bd3 Nge7 11. Na3 Bd7 12. Nb5 Nf5 13. Bxf5 gxf5 14. Nxh5 Nxe5 15. dxe5 Rxh5 16. Qxh5 Bxb5 17. Be3 Qc7 18. Bd4 a6 19. Qd1 Qc4 20. f4 Bc5 21. Qd2 O-O-O 22. Kf2 Be7 23. Rhb1 Rh8 24. Kg1 Kc7 25. Bf2 Rc8 26. Qd4 Qc6 27. Rc1 b6 28. Qd1 Kb7 29. Qh5 Qe8 30. Bd4 Qg8 31. Rcb1 Rc4 32. Qf3 Qc8 33. Qh5 Qg8 34. Kh1 Rc8 35. Qd1 Rc4 36. Qb3 Qe8 37. Qd1 Qc6 38. Rb2 Bc5 39. Re2 Be7 40. Rea2 Bc5 41. h4 Qe8 42. g3 Qg8 43. Kh2 Bxd4 44. cxd4 Rc3 45. Rg2 Rd3 46. Qg1 Qg4 47. Qf2 Bc4 48. Qe2 Qg7 1/2-1/2