[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1975.01.17"]
[Round "4"]
[White "Popov, Luben"]
[Black "Sosonko, Gennadi"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Ne4 10. Rc1 h5 11. h4 Bxc3+ 12. bxc3 Nxg3 13. fxg3 g4 14. Ne5 Bd7 15. Nxd7 Qxd7 16. Qc2 Qd6 17. e3 Rh6 18. Rb1 Re6 19. Rxb7 Qxg3+ 20. Qf2 Rxe3+ 21. Be2 O-O-O 22. Qxg3 Rxg3 23. Rb3 Re8 24. Kf2 Rge3 25. Re1 g3+ 26. Kf1 Kd7 27. Rbb1 Rxc3 28. Bxh5 Nxd4 29. Bg4+ f5 30. Rxe8 Kxe8 31. Re1+ Kf7 32. Bd1 Ra3 0-1