[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.16"]
[Round "10"]
[White "Larsen, Bent"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 e6 6. Rb1 a5 7. Nh3 Nge7 8. Nf4 O-O 9. d3 Rb8 10. Bd2 b6 11. O-O Bb7 12. Re1 d6 13. Nb5 Nd4 14. Nxd4 Bxd4 15. Bxb7 Rxb7 16. Qa4 Qd7 17. Qxd7 Rxd7 18. Bc3 Bg7 19. Bxg7 Kxg7 20. b4 axb4 21. axb4 Ra8 1/2-1/2