[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.05.09"]
[Round "10"]
[White "Beliavsky, Alexander G"]
[Black "Zapata, Alonso"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2535"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Nge7 7. Nb3 Ng6 8. O-O Be7 9. Be3 O-O 10. Na4 b5 11. Nb6 Rb8 12. Nxc8 Qxc8 13. a4 Rd8 14. axb5 axb5 15. Qc1 Nge5 16. Bf4 d6 17. Rd1 Nc4 18. c3 e5 19. Bg3 Qe6 20. Qc2 g6 21. Nd2 Nxd2 22. Qxd2 b4 23. Qd5 Rdc8 24. Qxe6 fxe6 25. f3 bxc3 26. bxc3 Nd8 27. Be1 Rc6 28. Ra4 Bg5 29. Kf2 Rb2 30. Rb4 Ra2 31. Kf1 Kg7 32. Rb8 Kf7 33. Rdb1 Rc7 34. Bd1 Nc6 35. R8b6 Raa7 36. Be2 Nd8 37. Ra6 Rab7 38. Rb5 Ra7 39. Rbb6 Rxa6 40. Rxa6 Nb7 41. Ra7 Bd8 42. Bb5 Nc5 43. Ra8 Be7 44. Bd2 g5 45. c4 Nb3 46. Be3 Nd4 47. Kf2 Rb7 48. Bxd4 1/2-1/2