[Event "IBM"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "8"]
[White "Darga, Klaus"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 c5 5. a3 Ba5 6. e3 O-O 7. Be2 Nc6 8. O-O d6 9. d4 Bxc3 10. Qxc3 Qe7 11. b4 b6 12. Bb2 Bb7 13. bxc5 bxc5 14. dxc5 dxc5 15. Rab1 Rfd8 16. Qc2 Rab8 17. Ng5 e5 18. Bc3 h6 19. Nf3 Ba8 20. Nd2 Rxb1 21. Rxb1 Re8 22. Bf3 Qe6 23. Rb5 e4 24. Be2 Nd7 25. h3 Nce5 26. Bxe5 Qxe5 1/2-1/2