[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.23"]
[Round "7"]
[White "Ribli, Zoltan"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 c6 3. Bg2 d5 4. O-O Bf5 5. b3 e6 6. Bb2 h6 7. d3 Be7 8. Nbd2 O-O 9. e3 a5 10. a3 Nbd7 11. Qe2 Nc5 12. Kh1 Qb6 13. Rab1 Qa6 14. Ne5 Nfd7 15. Nxd7 Nxd7 16. f4 Bf6 17. g4 Bxb2 18. Rxb2 Bh7 19. e4 dxe4 20. Nxe4 Bxe4 21. Qxe4 Qb5 22. Qc4 Qb6 23. Rbb1 Nf6 24. f5 e5 25. h3 Qe3 26. Rbe1 Qg3 27. Qc5 Nd5 28. Qf2 Qxf2 29. Rxf2 f6 30. d4 exd4 31. Rd1 Rad8 32. Rxd4 Ne3 33. Rxd8 Rxd8 34. Bf3 Kf8 35. Kh2 Rd4 36. Kg3 a4 37. Re2 Nd1 38. bxa4 Nc3 39. Re3 Nxa4 40. Rb3 Nc5 41. Rc3 1/2-1/2