[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "14"]
[White "Ribli, Zoltan"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O c6 7. Nc3 Qa5 8. h3 e5 9. e4 Be6 10. d5 cxd5 11. cxd5 Bd7 12. Be3 b5 13. a3 b4 14. axb4 Qxb4 15. Qc2 a5 16. Ra3 a4 17. Ne1 Rc8 18. Nd3 Qb7 19. Rfa1 Na6 20. Qd2 Nc7 21. Nxa4 Nb5 22. Nb6 Nxa3 23. bxa3 Ra6 24. Nxc8 Qxc8 25. Nb4 Ra4 26. Kh2 h5 27. f3 Ne8 28. Qc1 Qxc1 29. Bxc1 Nc7 30. Bf1 Bb5 31. Kg2 f5 32. Kf2 Kf7 33. Bb2 Bh6 34. Bxb5 Nxb5 35. Ke2 h4 36. g4 fxg4 37. fxg4 Ke7 38. Kd3 Nc7 39. Kc4 Ra8 40. a4 Rf8 41. g5 Bxg5 42. Nc6+ Kd7 43. Rg1 Rf4 44. Kd3 Rf3+ 45. Kc2 Rg3 46. Rf1 Bf4 47. Bc3 1/2-1/2