[Event "Amsterdam IBM"]
[Site "Amsterdam NED"]
[Date "1968.08.01"]
[EventDate "1968.07.16"]
[Round "14"]
[Result "0-1"]
[White "Coenraad Zuidema"]
[Black "Dragoljub M Ciric"]
[ECO "B80"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "84"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. Bd3 b5 8. O-O  Bb7 9. a3 g6 10. f4 Bg7 11. Bxb5+ axb5 12. Ndxb5 O-O 13. Nxd6 Bc6 14. e5 Nd5  15. Nxd5 exd5 16. Qd4 Na6 17. Qd3 f6 18. Bd4 Nc7 19. Qc3 fxe5 20. Bxe5 Bxe5 21.  fxe5 Qd7 22. Qg3 Nb5 23. Nxb5 Bxb5 24. Rxf8+ Rxf8 25. h3 Qc6 26. c3 Qb6+ 27.  Kh2 Rf2 28. e6 Bf1 29. e7 Kf7 30. e8=Q+ Kxe8 31. Qe5+ Kf7 32. Qxd5+ Kf8 33. Qd4  Rxg2+ 34. Kh1 Qc6 35. Qh8+ Kf7 36. Qxh7+ Kf6 37. Qh8+ Kg5 38. Qe5+ Kh4 39. Qh8+  Kg3 40. Qe5+ Kxh3 41. Qh8+ Kg4 42. Qd4+ Kf5 0-1