[Event "Capablanca Memorial-03"]
[Site "Havana"]
[Date "1964.09.14"]
[Round "14"]
[White "Ortega, Rogelio"]
[Black "Donner, Jan Hein"]
[Result "0-1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 bxc6 8. Qd3 Be7 9. O-O O-O 10. Rd1 Qc7 11. Qg3 Nd7 12. b4 a6 13. a3 Nb6 14. Rd3 f5 15. Bh6 Bf6 16. exf5 Bxf5 17. Rd2 Qe7 18. Be3 Nd7 19. Bg4 Bxg4 20. Qxg4 e4 21. Qe2 d5 22. Bd4 Bxd4 23. Rxd4 Ne5 24. Nxe4 Rf4 25. Ng3 Rxd4 26. Nf5 Qa7 27. Qxe5 Re4 28. Qg3 Rf8 29. Ne3 Qd4 30. Rf1 Qc3 31. Rd1 Ref4 32. Nxd5 Qxc2 33. Ne7+ Kh8 34. Ng6+ hxg6 0-1