[Event "Interzonal-12b"]
[Site "Toluca"]
[Date "1982.08.21"]
[Round "8"]
[White "Ivanov, Igor Vasilievich"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2600"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. Nc3 O-O 6. a3 Bxc3 7. Bxc3 b6 8. e3 Bb7 9. Be2 d6 10. O-O Ne4 11. Nd2 Nxc3 12. bxc3 f5 13. Bf3 Bxf3 14. Nxf3 Nd7 15. Qd3 Qe7 16. e4 f4 17. e5 dxe5 18. dxe5 Nc5 19. Qc2 g5 20. h3 Qg7 21. Qe2 g4 22. hxg4 Qxg4 23. Rfe1 Kh8 24. Nd4 Qg5 25. Qf3 Rg8 26. Rad1 Raf8 27. Qh3 Qg6 28. Nf3 Rf5 29. Nh4 Qh5 30. Rd4 Rfg5 31. Kh2 Rxe5 32. Rxe5 Qxe5 33. Nf3 Qg7 34. Kg1 Rf8 35. Qh4 Rg8 36. Qh3 Qf6 37. Qh5 Rf8 38. Ne5 Qf5 39. Qh6 Kg8 40. Nd7 e5 41. Nxf8 exd4 42. cxd4 Qxf8 43. Qg5+ Kh8 1/2-1/2