[Event "Interzonal-03"]
[Site "Gothenburg"]
[Date "1955.09.02"]
[Round "12"]
[White "Donner, Jan Hein"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3
c6 10. e4 Qe7 11. b3 a5 12. Ba3 exd4 13. Nxd4 Nc5 14. Re1 Qe5 15. Rad1 Qh5 16. Bc1 Bh3 17.
Bxh3 Qxh3 18. f3 Nfd7 19. Nce2 Ne5 20. Nf4 Qd7 21. Kg2 Qc7 22. Be3 Qb6 23. Rb1 Qa6 24. Bf2
Rac8 25. Red1 a4 26. Nde2 axb3 27. axb3 Qa3 28. Nc1 b5 29. cxb5 cxb5 30. Qa2 Qxa2 31. Nxa2
g5 32. Nd5 g4 33. f4 Nxe4 34. Nab4 Nf3 35. Be3 Nc3 36. Rdc1 Kf8 37. Nxc3 Rxe3 38. Ncd5
Re2+ 39. Kf1 Rce8 40. Rc2 Rxc2 0-1