[Event "Capablanca Memorial-10"]
[Site "Cienfuegos"]
[Date "1973.03.18"]
[Round "21"]
[White "Donner, Jan Hein"]
[Black "Boudy Bueno, Julio Leonardo"]
[Result "1-0"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Ba6 14. Bg5 h6 15. Be3 Bxc4 16. Bxc4 a6 17. Qd2 Kh7 18. Rae1 Rb8 19. Bd3 b5 20. axb5 axb5 21. b4 cxb4 22. Na2 b3 23. Nb4 Ra8 24. Rb1 b2 25. Nc6 Qd7 26. Bd4 Nh5 27. Rxb2 Bxd4+ 28. Nxd4 Qe7 29. Bxb5 Rec8 30. Rfb1 Qf6 31. Bf1 Na6 32. Rb6 Nc5 33. Nb5 Rd8 34. Qd4 Qxd4+ 35. Nxd4 Nf6 36. Nb5 Ne8 37. Rc6 Nb7 38. Nc7 1-0