[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1969.01.27"]
[Round "11"]
[White "Langeweg, Kick"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e6 6. O-O Nge7 7. e3 O-O 8. d4 cxd4 9. Nxd4 Nxd4 10. exd4 d6 11. Qb3 Nf5 12. d5 e5 13. Kh1 Bd7 14. Ne4 Qb6 15. Bg5 f6 16. Be3 Nxe3 17. Qxe3 f5 18. c5 dxc5 19. Nxc5 Rad8 20. Ne6 Qxe3 21. fxe3 Bxe6 22. dxe6 Rfe8 23. Bxb7 Rxe6 24. e4 fxe4 25. Bxe4 Bh6 26. Rad1 Red6 27. Bc2 Rd2 28. Bb3+ Kh8 29. Rxd2 Rxd2 30. Re1 Bg7 1/2-1/2