[Event "IBM"]
[Site "Amsterdam"]
[Date "1968.??.??"]
[Round "10"]
[White "Langeweg, Kick"]
[Black "Lengyel, Levente"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 Be7 8. O-O O-O 9. a3 cxd4 10. exd4 Bf6 11. Be4 Nce7 12. Qd3 g6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Rac1 Nxc3 16. Qxc3 Nd5 17. Bxd5 Qxd5 18. Qc5 Qxc5 19. Rxc5 Bd7 20. Ne5 Rfd8 21. Rc7 Be8 22. Rxb7 Rxd4 23. Nf3 Rd5 24. h4 h6 25. Rc1 1/2-1/2