[Event "Interzonal-12b"]
[Site "Toluca"]
[Date "1982.08.11"]
[Round "1"]
[White "Nunn, John DM"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2595"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. f4 Bg4 10. Qd3 Bg7 11. e5 Nd7 12. exd6 Nb6 13. Ba6 O-O 14. Qg3 Bf5 15. dxe7 Qxe7 16. Bd3 Rfe8 17. Kh1 Qc5 18. Bd2 Nc4 19. Na4 Qb5 20. Nc3 Qb4 21. a3 Qd6 22. Bxc4 Qxd2 23. Rad1 Qe3 24. Qxe3 Rxe3 25. Bd3 Bxd3 26. Rxd3 Rxd3 27. cxd3 Rb8 28. Na4 Bxb2 29. Nxb2 Rxb2 30. Rc1 Rb3 31. g3 Rxa3 32. Rxc6 Rxd3 33. Ra6 Rd7 34. Kg2 Kf8 35. Kf3 f5 1/2-1/2