[Event "IBM"]
[Site "Amsterdam"]
[Date "1961.??.??"]
[Round "7"]
[White "Crabbendam, Henrico"]
[Black "Langeweg, Kick"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. c4 Nf6 7. Bd3 d5 8. cxd5 cxd5 9. Nc3 Be7 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. e5 Ne4 13. Nxe4 dxe4 14. Qxd7+ Kxd7 15. Bd2 f5 16. Ke2 Rab8 17. Bc3 Rb5 18. Rhd1+ Rd5 19. f3 exf3+ 20. gxf3 Rc8 21. Rxd5+ exd5 22. Rd1 Ke6 23. Rd4 Rc6 24. Kd3 g5 25. Ra4 a6 26. f4 g4 27. Bd4 h5 28. b4 h4 29. Ke3 Kf7 30. Bc5 h3 31. Kf2 d4 32. Bxe7 Rc2+ 33. Kg1 Kxe7 34. Ra3 Rg2+ 35. Kh1 Rd2 36. Kg1 d3 37. Rxa6 Rg2+ 38. Kf1 Rxh2 39. Ra7+ Ke6 40. Ra6+ Kd5 41. Rd6+ Ke4 42. e6 g3 0-1