[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.13"]
[Round "1"]
[White "Langeweg, Kick"]
[Black "Ivkov, Borislav"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 c5 7. O-O cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc8 10. Qb3 Nc6 11. Nxc6 Qxc6+ 12. Kg1 a5 13. Qd3 d5 14. cxd5 Qxd5 15. Qxd5 Nxd5 16. a3 Be7 17. e4 Nf6 18. b3 Rc8 19. Bb2 Rc2 20. Nc4 b5 21. Bxf6 Bxf6 22. Ne3 Rb2 23. Rab1 Ra2 24. Rfc1 O-O 25. Rc5 Rb8 26. a4 bxa4 27. Rxa5 Bd4 28. b4 f6 29. Nd1 a3 30. Kf1 Kf7 31. b5 Bc5 32. Ra6 Rd2 33. b6 a2 34. Ra1 Bd4 35. R1xa2 Rxd1+ 0-1