[Event "IBM"]
[Site "Amsterdam"]
[Date "1967.??.??"]
[Round "7"]
[White "Ciric, Dragoljub M"]
[Black "Zuidema, Coen"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. Be3 Na5 12. Nd4 c5 13. Nxe6 fxe6 14. c3 Nxb3 15. axb3 Qe8 16. Na3 Qg6 17. f3 Ng5 18. Kh1 Nf7 19. Bf2 Rfc8 20. Nc2 a5 21. Ne3 b4 22. c4 d4 23. Nf1 Qf5 24. Re1 Bd8 25. g4 Qg5 26. Bg3 h5 27. h3 hxg4 28. hxg4 Qh6+ 29. Kg2 Ng5 30. Nd2 Bc7 31. f4 Nf7 32. Ne4 Qg6 33. Rh1 Nh6 34. Ng5 d3 35. Qf3 Bxe5 36. Rae1 Bf6 37. Rxe6 Rd8 38. Bh4 Nf7 39. Ne4 d2 40. Bxf6 Nh6 41. Bxd8 1-0