[Event "IBM"]
[Site "Amsterdam"]
[Date "1974.07.26"]
[Round "9"]
[White "Ree, Hans"]
[Black "Langeweg, Kick"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bg4 5. Re1 e6 6. Bxc6+ bxc6 7. d3 Nf6 8. h3 Bh5 9. Nbd2 Nd7 10. b3 Be7 11. Bb2 O-O 12. Qe2 Qc7 13. Qe3 f6 14. Nh2 Bf7 15. f4 d5 16. Ng4 Rae8 17. e5 f5 18. Nh2 h6 19. g4 Bg6 20. Re2 Bh7 21. Rg2 fxg4 22. Nxg4 Kh8 23. Kh1 Rf7 24. Rag1 Qd8 25. Bc1 Ref8 26. Rf1 Rf5 27. Qg3 Bh4 28. Qh2 Qe8 29. Ne3 R5f7 30. Ng4 Rf5 31. Ne3 Rh5 32. Nf3 Bd8 33. Rfg1 Rf7 34. Qg3 Bf5 35. Nxf5 Rhxf5 36. Qg4 Qf8 37. Nh2 Qe7 38. Nf1 h5 39. Qe2 h4 40. Ne3 Rxf4 41. Qh5+ Kg8 42. Ng4 1-0