[Event "IBM"]
[Site "Amsterdam"]
[Date "1967.??.??"]
[Round "3"]
[White "Enevoldsen, Jens"]
[Black "Langeweg, Kick"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. Bg2 c5 5. d3 d4 6. Ne4 Nfd7 7. Nf3 Nc6 8. O-O Be7 9. e3 O-O 10. exd4 cxd4 11. Ne1 f5 12. Nd2 e5 13. f4 exf4 14. gxf4 Nf6 15. h3 Bd6 16. Nc2 a5 17. Rf2 Bd7 18. Nf1 Qb6 19. Rb1 Rae8 20. Ng3 Re7 21. b3 Nb4 22. a3 Nxc2 23. Qxc2 Re1+ 24. Rf1 Rxf1+ 25. Kxf1 Qc7 26. Qf2 Re8 27. Ne2 Bc6 28. b4 axb4 29. axb4 Qe7 30. Bd2 Qxe2+ 31. Qxe2 Rxe2 32. Kxe2 Bxg2 33. h4 Kf7 34. Ra1 Bb8 35. Kf2 Bh3 36. Ra8 Nd7 37. Bc1 Bg4 38. Kg3 h6 39. Ra5 Ke6 40. Rb5 Be2 41. Rxb7 Bxd3 0-1