[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.04"]
[Round "2"]
[White "Quinteros, Miguel Angel"]
[Black "Smejkal, Jan"]
[Result "1-0"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. c4 d4 6. d3 g6 7. e3 Bg7 8. exd4 cxd4 9. Bd2 a5 10. Na3 O-O 11. Nb5 Nd7 12. Qc2 Nc5 13. Rfe1 Bf5 14. Bf1 Qd7 15. a3 Bg4 16. Nh4 Bf6 17. f3 Bh3 18. Bh6 Bxf1 19. Rxf1 Rfc8 20. Ng2 Ne5 21. Qe2 Ncxd3 22. b3 Nc5 23. Rab1 a4 24. Bf4 Ncd3 25. Rfd1 Nxf4 26. gxf4 Nc6 27. b4 Rd8 28. Ne1 b6 29. Nd3 e6 30. Rd2 Ne7 31. Rbd1 Nf5 32. Ne5 Bxe5 33. fxe5 Qe7 34. Nxd4 Qg5+ 35. Kh1 Ne3 36. Nc6 Nxd1 37. Rxd1 Rxd1+ 38. Qxd1 Qf4 39. Qd3 Kg7 40. Kg2 h5 1-0