[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Sin, Kuen"]
[Black "Calvo Minguez, Ricardo"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 g6 7. Bg5 Bg7 8. Bd3 O-O 9. Qd2 a5 10. O-O a4 11. Nc1 a3 12. bxa3 Rxa3 13. Rb1 Rxc3 14. Qxc3 Nxe4 15. Qxg7+ Kxg7 16. Bxe4 f6 17. Be3 f5 18. Bb6 Qe8 19. Bd5 e6 20. Bf3 e5 21. Rd1 e4 22. Be2 Qe7 23. a4 Be6 24. a5 Kg8 25. Nb3 f4 26. f3 Ne5 27. Nd4 Bd5 28. fxe4 Bxe4 29. Bf3 Nxf3+ 30. gxf3 Bd5 31. Re1 Qg5+ 32. Kh1 Rc8 33. Rf1 Rc3 34. Rf2 Qg4 35. Rbf1 Qh3 36. Kg1 g5 37. Re1 Bxf3 38. Nxf3 Rxf3 39. Rfe2 Qg4+ 40. Rg2 Qf5 41. Rge2 Kf7 42. Bd4 Qd7 43. Rg2 h6 44. c3 Rd3 45. Rf1 Qa4 46. h4 Qxa5 47. hxg5 hxg5 48. Rb1 Qd5 0-1