[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.07.24"]
[Round "10"]
[White "Langeweg, Kick"]
[Black "Uhlmann, Wolfgang"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. d4 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 c6 8. Bg5 Bg4 9. e3 Qa5 10. Qa4 Qxa4 11. Nxa4 Nd7 12. Be2 h6 13. Bh4 f5 14. Nc3 Nxc3 15. bxc3 Bxf3 16. Bxf3 e5 17. Be7 Rfe8 18. Bb4 a5 19. Ba3 exd4 20. cxd4 Bxd4 21. O-O Be5 22. Rb1 Rab8 23. Rfd1 Nf6 24. Bc5 Ne4 25. Bxe4 fxe4 26. Bb6 Re7 27. g3 Rf7 28. Rdc1 Re8 29. Rc5 Bd6 30. Rxa5 Ref8 31. Rb2 Rf5 32. Ra7 R8f7 33. Ra4 Re7 34. Ra8+ Kf7 35. a4 Rd5 36. Rh8 h5 37. Ra8 Ke6 1/2-1/2