[Event "IBM"]
[Site "Amsterdam"]
[Date "1968.??.??"]
[Round "14"]
[White "Langeweg, Kick"]
[Black "Marovic, Drazen"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 cxd5 10. cxd5 Bd7 11. O-O Qb6 12. Qd2 Rfc8 13. Rfc1 Rc7 14. Ne1 Rac8 15. Nd3 Ng4 16. Nd1 Bb5 17. Bxg7 Kxg7 18. Rxc7 Rxc7 19. Rc1 Nf6 20. Ne3 Bxd3 21. Rxc7 Qxc7 22. Qxd3 Qc1+ 23. Qd1 Qxd1+ 24. Nxd1 Ne8 25. Nb2 b6 26. e4 Nc7 27. Bf1 e6 28. b4 Nb7 29. Bc4 Kf6 30. Nd3 Ke7 31. f3 Nd8 32. Kf2 e5 33. f4 f6 34. Ke3 Nf7 35. a3 Nd8 36. Ne1 Nf7 37. Nc2 Nd8 38. b5 Nb7 39. Nb4 Na5 40. Nc6+ Nxc6 41. dxc6 Kf8 1/2-1/2