[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.14"]
[Round "9"]
[White "Karpov, Anatoly"]
[Black "Quinteros, Miguel Angel"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Be7 9. Qf3
h6 10. Bh4 Nbd7 11. O-O-O Qc7 12. Bg3 b5 13. e5 Bb7 14. Qe2 dxe5 15. fxe5 Nh7 16. Ne4 Bg5+
17. Kb1 O-O 18. h4 Be7 19. Nd6 Bd5 20. Rxd5 exd5 21. Nf5 Qd8 22. Qg4 g6 23. Nxh6+ Kg7 24.
Nf5+ Kh8 25. Bd3 Rg8 26. Nh6 Rg7 27. h5 Qe8 28. e6 Ndf6 29. exf7 Qd8 30. Qd4 Nxh5 31. Be5
Bf6 32. Re1 Bxe5 33. Rxe5 N5f6 34. g4 Qf8 35. g5 Ne4 36. Bxe4 dxe4 37. Qxe4 1-0