[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Enklaar, Bert F"]
[Black "Langeweg, Kick"]
[Result "1-0"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Be3 Bb4 8. Qg4 Kf8 9. Bd3 Nf6 10. Qf3 b5 11. Ne2 Bb7 12. O-O-O d5 13. exd5 Ne7 14. Bd4 Nexd5 15. Qf2 Rc8 16. Nxd5 Bxd5 17. Kb1 Bc5 18. Rhe1 b4 19. h3 h5 20. g3 Kg8 21. Qe3 a5 22. f5 exf5 23. Bxf5 Re8 24. Qf2 Bxd4 25. Nxd4 Be4 26. Nb5 Qc6 27. Nd6 Bxf5 28. Nxe8 Be6 29. Nxf6+ gxf6 30. Rd8+ Kg7 31. Rxh8 Kxh8 32. Qxf6+ Kh7 33. Qg5 Qf3 34. g4 hxg4 35. hxg4 a4 36. Qh4+ Kg7 37. Rh1 Kf8 38. Qh8+ 1-0