[Event "Piatigorsky-Cup 2nd"]
[Site "Santa Monica"]
[Date "1966.08.04"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Donner, Jan Hein"]
[Result "1-0"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bh5 6. Bxc4 e6 7. O-O a6 8. Be2 c5 9. Nbd2
Nc6 10. dxc5 Bxc5 11. a3 O-O 12. b4 Ba7 13. Bb2 Qe7 14. Ne5 Nxe5 15. Bxe5 Bxe2 16. Qxe2
Rfd8 17. Rac1 Rac8 18. Nb3 Nd5 19. e4 Nf6 20. Rfd1 Ne8 21. Rxc8 Rxc8 22. Bf4 h6 23. Be3
Bxe3 24. Qxe3 Nd6 25. Nc5 a5 26. Qd3 axb4 27. axb4 Ne8 28. e5 b6 29. Na6 Qg5 30. Qd7 Ra8
31. b5 g6 32. Qd4 Ng7 33. Qxb6 Qxe5 34. Qc6 Rf8 35. b6 Qe2 36. Ra1 Nf5 37. b7 Ne7 38. Qc7
1-0