[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.09"]
[Round "6"]
[White "Tal, Mihail"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "0-1"]

1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 Ne4 9. Na4 Bxb2 10. Nxb2 d5 11. cxd5 Bxd5 12. Qc1 Nc6 13. d3 Nd6 14. e3 e5 15. Nc4 f6 16. Rd1 Nf7 17. Qc3 Qd7 18. a3 Rac8 19. Qb2 Rfd8 20. Rac1 Qe7 21. Rb1 Rc7 22. Ncd2 Be6 23. Bf1 Bf5 24. Ne4 Bg4 25. Ned2 Ng5 26. Be2 Rcd7 27. Re1 Nxf3+ 28. Nxf3 Bf5 29. b4 Bxd3 30. Bxd3 Rxd3 31. Rec1 e4 32. Ne1 R3d5 33. bxc5 bxc5 34. Qb7 Qxb7 35. Rxb7 Ne5 36. Kf1 R8d7 37. Rxd7 Nxd7 38. Ke2 Kf7 39. f3 exf3+ 40. Nxf3 Ke6 41. Nd2 Ne5 42. Nc4 f5 43. Rc2 Kd7 44. Nd2 Kc6 45. h3 Nf7 46. Rc4 Re5 47. Rh4 Ng5 48. Ra4 Re7 49. g4 Ne4 50. Nxe4 fxe4 51. Ra6+ Kb5 52. Rd6 a5 53. Kd2 Kc4 54. Ra6 Rd7+ 55. Ke2 Kb3 56. Rxa5 c4 0-1