[Event "IBM"]
[Site "Amsterdam"]
[Date "1967.??.??"]
[Round "7"]
[White "Donner, Jan Hein"]
[Black "Ghitescu, Theodor"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nc6 7. d5 Na5 8. b3 c5 9. Bb2 a6 10. Nd2 Rb8 11. O-O b5 12. Qc2 e5 13. Rae1 Bh6 14. f4 exf4 15. gxf4 Nh5 16. e3 f5 17. Ne2 Rb7 18. Ng3 Nf6 19. cxb5 axb5 20. Nf3 b4 21. Ng5 Re7 22. Qd2 Bxg5 23. fxg5 Ng4 24. e4 f4 25. Rxf4 Rxf4 26. Qxf4 Rf7 27. Qd2 c4 28. Qxb4 cxb3 29. axb3 Rb7 30. Qc3 Ne5 31. Ra1 Rb5 32. b4 Nac4 33. Bc1 Qb6+ 34. Kh1 Bb7 35. Rb1 Qf2 36. Nf1 Bc8 37. Ne3 Nf3 38. Bb2 Nxb2 39. Qxc8+ Kg7 40. Qd7+ Kf8 41. Qxd6+ 1-0