[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.16"]
[Round "10"]
[White "Uhlmann, Wolfgang"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 Bd7 9. e4 Kh8 10. Nh4 Ng8 11. Be3 Be6 12. Qd2 Nge7 13. f4 exf4 14. Bxf4 f6 15. Be3 Qd7 16. Rab1 b6 17. Nf5 Ne5 18. Nxe7 Qxe7 19. h3 Rae8 20. g4 Qd7 21. Kh2 Bf7 22. Bf4 Bg6 23. Qe2 c6 24. Rbe1 Bf7 25. Bg3 Kg8 26. Qd1 Re7 27. Rf5 1/2-1/2