[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.09.10"]
[Round "4"]
[White "Polugaevsky, Lev"]
[Black "Averkin, Orest Nikolaevich"]
[Result "1-0"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. O-O Be7 9.
Be3 Qc7 10. a4 d5 11. exd5 exd5 12. Be2 Be6 13. a5 O-O 14. Bb6 Qd7 15. Re1 Bd6 16. Na4 Qe7
17. c3 Ne4 18. Nd2 f5 19. Nf1 Rf6 20. f3 Raf8 21. b4 Rh6 22. fxe4 fxe4 23. Bg4 Rxf1+ 24.
Kxf1 Qf8+ 25. Bf2 Bxg4 26. Qxd5+ Be6 27. Qxe4 Ne5 28. h3 Rf6 29. Qd4 Bc4+ 30. Re2 Rf4 31.
Qe3 Qf5 32. Kg1 Bxe2 33. Qxe2 Re4 34. Qa2+ Kh8 35. Nc5 Bxc5 36. Bxc5 h6 37. Rf1 Rf4 38.
Rd1 Nd3 39. Bd4 1-0