[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "14"]
[White "Langeweg, Kick"]
[Black "Enklaar, Bert F"]
[Result "0-1"]

1. Nf3 Nf6 2. b3 d6 3. d4 Bg4 4. Bb2 Nbd7 5. e3 c6 6. Be2 Qc7 7. Nbd2 e6 8. O-O Be7 9. e4 O-O 10. Re1 Rad8 11. c4 d5 12. e5 Ne8 13. cxd5 cxd5 14. Bd3 Nb8 15. Qb1 g6 16. h3 Bf5 17. Nf1 Nc6 18. Ne3 Bxd3 19. Qxd3 h5 20. Rec1 Qb6 21. Nf1 Rc8 22. Qe3 Kg7 23. g4 hxg4 24. hxg4 Nc7 25. Ng3 a5 26. Rab1 a4 27. bxa4 Qa6 28. Ba3 Bxa3 29. Nh5+ Kh7 30. Nf6+ Kg7 31. Nh5+ Kh7 32. Ng5+ Kg8 33. Qh3 gxh5 34. Nh7 Be7 35. Nf6+ Bxf6 36. exf6 Nxd4 37. Qe3 Kh7 38. Qxd4 Qe2 39. Rxb7 Rg8 0-1