[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "8"]
[White "Radulov, Ivan"]
[Black "Enklaar, Bert F"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 e5 8. Be3 d6 9. d4 exd4 10. cxd4 Bg4 11. dxc5 dxc5 12. Nc3 b6 13. h3 Be6 14. Qa4 O-O 15. Rfd1 Qc8 16. Kh2 a6 17. Nd5 Qb7 18. Rd2 h6 19. Rad1 g5 20. a3 Rac8 21. Qb3 Rb8 22. Bf1 Rfc8 23. Qd3 c4 24. Qxc4 Nd4 25. Bxd4 Rxc4 26. Bxc4 b5 27. Ba2 Nc6 28. Bxg7 Kxg7 29. Rc1 Rc8 30. Rdc2 Kf8 31. Kg2 f5 32. exf5 Bxf5 33. Rc3 Be6 34. Rc5 a5 35. Bb1 Ne7 36. Nxe7 Kxe7 37. Rxc8 Bxc8 38. Be4 Qd7 39. Ne5 Qxh3+ 40. Kg1 Be6 41. Rc5 a4 42. Rxb5 Qh5 43. Bf3 Qe8 44. Rb4 Kd6 45. Nc4+ Kc5 46. Nd2 Bd5 47. Ne4+ Bxe4 48. Rxe4 Qf7 49. Kg2 Qb3 50. Rb4 Qc2 51. Bh5 Qd2 52. Bg4 Qd5+ 53. Bf3 Qd7 54. Re4 Kb6 55. Rc4 Qe8 56. Bd1 Qa8+ 57. Kg1 Qd5 58. Rb4+ Kc7 59. Bxa4 h5 60. Bc2 h4 61. Be4 Qe5 62. Kg2 hxg3 63. fxg3 g4 1/2-1/2