[Event "RUS Spartakiad"]
[Site "Leningrad"]
[Date "1967.??.??"]
[Round "?"]
[White "Sorokin, Nikolay Tikhovich"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. c3 d6 5. h3 O-O 6. e3 Nc6 7. Be2 Nd7 8. Bh2 e5 9. dxe5
dxe5 10. Nbd2 Qe7 11. O-O b6 12. Qc2 Bb7 13. Rad1 f5 14. Nc4 Kh8 15. Rfe1 a6 16. a4 Rae8
17. Bf1 h6 18. b4 g5 19. Re2 e4 20. Red2 Ndb8 21. Nd4 f4 22. b5 axb5 23. axb5 Ne5 24. Nxe5
Bxe5 25. Nc6 Nxc6 26. Rd7 Qc5 27. Qxe4 Bg7 28. Qg6 Ne7 29. Rxe7 Qxe7 30. Bd3 Be4 0-1