[Event "Olympiad-17 Final D"]
[Site "Havana"]
[Date "1966.11.12"]
[Round "8"]
[White "Ko, Chi"]
[Black "Kroon, Piet"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nb3 b5 8. Bg5 Be7 9. a3 Bb7 10. O-O Nbd7 11. h3 O-O 12. Qe2 Rc8 13. Rac1 Nb6 14. Nd2 Qc7 15. Nd1 d5 16. exd5 Nfxd5 17. Ne4 f5 18. Bxe7 Qxe7 19. Ng3 Nf4 20. Qd2 Bxg2 21. Bxf5 Rxf5 22. Nxf5 Qg5 23. Nde3 Nxh3+ 24. Kh2 Nf4 25. Qd1 Bxf1 26. Qxf1 Qh5+ 27. Kg1 Ne2+ 28. Kg2 Qg5+ 29. Ng3 Nxg3 30. fxg3 Qxe3 31. c3 Rd8 32. Rd1 Qe4+ 33. Kg1 Rf8 0-1