[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.12"]
[Round "7"]
[White "Radulov, Ivan"]
[Black "Cuellar Gacharna, Miguel"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 g6 8. O-O Bg7 9. Be3 Nf6 10. f3 O-O 11. Nc3 Ne8 12. Qd2 Nc7 13. Nde2 Rfd8 14. Rac1 Ne5 15. b3 b5 16. cxb5 Nxb5 17. Nxb5 Qxb5 18. Rc7 Rd7 19. Nd4 Qa6 20. Rfc1 Rxc7 21. Rxc7 Rc8 22. Qe2 Nxf3+ 23. Nxf3 Qxe2 24. Rxc8+ Bf8 25. Bh6 Qd1+ 26. Kf2 Qc2+ 27. Rxc2 1-0