[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.07"]
[Round "11"]
[White "Polugaevsky, Lev"]
[Black "Kagan, Shimon"]
[Result "1-0"]
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nf3 Bg4 6. d5 Nd7 7. h3 Bxf3 8. Qxf3 a5 9. b3 Bh6
10. Ba3 Qg5 11. Rd1 f5 12. g3 Qf6 13. Bg2 b6 14. h4 Ne7 15. h5 Kf7 16. Nb5 Rac8 17. Bh3
Kg7 18. Rh2 Rhf8 19. hxg6 hxg6 20. Ke2 Nc5 21. Bxc5 bxc5 22. Rdh1 Rh8 23. Bg2 Qg5 24. Qc3
fxe4 25. Bxe4 Nf5 26. Bxf5 Qxf5 27. Qd3 Qg4+ 28. Kf1 Qd7 29. Rh4 Rcf8 30. R1h2 Rf7 31. Qe4
Rf6 32. Nc3 Qf5 33. Qe2 Rff8 34. Kg2 Bg5 35. Rxh8 Rxh8 36. Rxh8 Kxh8 37. Qe4 Kg7 38. Qxf5
gxf5 39. Nb5 e4 40. Kf1 Kf6 41. Ke2 Bc1 42. Nxc7 Bb2 43. Nb5 Be5 44. f4 exf3+ 45. Kxf3 Kg5
46. Na7 Kf6 47. Nc6 Bc3 48. Nd8 Ke7 49. Nb7 Bd2 50. Ke2 Bb4 51. Ke3 Bc3 52. a4 Be5 53.
Nxa5 Bxg3 54. Nc6+ Kd7 55. a5 Kc7 56. Ne7 f4+ 57. Kf3 Be1 58. a6 Kb6 59. Nc8+ Kxa6 60.
Kxf4 Ka5 61. Nxd6 Kb4 62. Ke4 Ka5 63. Nf5 Kb4 64. d6 Kxb3 65. Kd5 1-0