[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.17"]
[Round "4"]
[White "Scholl, Eddie C"]
[Black "Langeweg, Kick"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nde2 e6 8. O-O Be7 9. Bb3 O-O 10. Kh1 Na5 11. Bg5 Qc5 12. f4 b5 13. Ng3 Bb7 14. Nh5 Kh8 15. a3 Rae8 16. Bxf6 gxf6 17. f5 Nxb3 18. cxb3 Qe5 19. Qd2 Rg8 20. Rae1 Bd8 21. Re2 Rg5 22. Nf4 Reg8 23. Nd3 Qd4 24. Nxb5 Qb6 25. a4 a6 26. Nc3 Qxb3 27. fxe6 fxe6 28. Nf4 Be7 29. Rf3 Qc4 30. Rh3 e5 31. b3 Qc8 32. Nfd5 Qxh3 33. Qxg5 Rxg5 34. gxh3 Bd8 35. Rf2 Kg7 36. b4 Kf7 37. Rg2 Rh5 38. Rg3 f5 39. Kg2 fxe4 40. Rg4 Ke6 41. Ne3 d5 42. Rg7 Rg5+ 0-1