[Event "Olympiad-17 Preliminaries A"]
[Site "Havana"]
[Date "1966.10.30"]
[Round "5"]
[White "Olivera, Juan Francisco"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. f3 Nc6 9. Nc2
Bc5 10. Be3 b6 11. Qd2 Bxe3 12. Nxe3 O-O 13. Rd1 Rd8 14. O-O d6 15. f4 Bb7 16. Bf3 Na5 17.
Qf2 Rac8 18. Rd2 Nxc4 19. Nxc4 Qxc4 20. Qxb6 Bxe4 21. Rxd6 Rxd6 22. Qxd6 Bxf3 23. Rxf3 h6
24. h3 a5 25. b3 Qb4 26. Qxb4 axb4 27. Ne2 Rc2 28. Nd4 Rxa2 29. f5 Ra6 30. fxe6 fxe6 31.
Nc2 Nd5 32. Ne3 Ne7 33. Rf4 Nc6 34. Nc2 Rb6 35. Re4 e5 36. Ne3 Rb5 37. Nc4 Rd5 38. Re3 Kf7
39. Kf2 g5 40. g4 Ke6 41. h4 Nd8 42. hxg5 hxg5 43. Ke2 Nf7 44. Re4 Rb5 45. Kd3 Rb8 46. Re1
Ra8 47. Ke4 Ra2 48. Ke3 Nd6 49. Rc1 Rh2 50. Nxd6 Kxd6 51. Ke4 Rf2 0-1