[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "8"]
[White "Langeweg, Kick"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 Nbd7 7. Bb2 b6 8. Nc3 c6 9. d3 Bb7 10. Qd2 Re8 11. Rad1 Qc7 12. e4 dxc4 13. dxc4 Rad8 14. Qe2 e5 15. Rd2 Nf8 16. Rfd1 Rxd2 17. Rxd2 Bc8 18. h3 Ne6 19. Nd1 Nd7 20. Ne3 f6 21. Nc2 Rd8 22. Nfe1 Ndc5 23. h4 a5 24. Qd1 Ba6 25. Rxd8+ Qxd8 26. Qxd8+ Bxd8 27. f3 Be7 28. Bf1 Kf7 29. Be2 Nc7 30. Bc1 Bc8 31. Ne3 Be6 32. Bd2 N5a6 33. Nd3 Nb4 34. Nc1 Bc5 35. Kg2 Bxe3 36. Bxe3 c5 37. Bd1 Ne8 38. a3 Nc6 39. a4 Nd6 40. Ne2 1/2-1/2