[Event "URS-ch04 Final"]
[Site "Leningrad"]
[Date "1925.??.??"]
[Round "4"]
[White "Grigoriev, Nikolay Dmitrievich"]
[Black "Sozin, Veniamin"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. d3 f6 7. Be3 Ne7 8. Nd2 Be6 9. Ne2 Ng6 10. h4 Qd7 11. h5 Ne7 12. c3 Bd6 13. d4 O-O-O 14. Qa4 Bf7 15. f3 f5 16. O-O-O Qe6 17. dxe5 Bxe5 18. f4 Bf6 19. e5 Nd5 20. Nd4 Qd7 21. Nc4 Be7 22. Nb3 Qe8 23. h6 g5 24. g3 Bh5 25. Rde1 gxf4 26. gxf4 Bf8 27. Nd4 Qg6 28. Qc2 Bg4 29. Qh2 c5 30. Nb3 b6 31. Nbd2 Rg8 32. Bf2 Re8 33. e6 Rxe6 34. Rxe6 Qxe6 35. Re1 Qf7 36. Ne5 Qf6 37. Bh4 Qxh6 38. Qh1 c6 39. Nf7 Qg6 40. Re8+ Kc7 41. Ra8 Bd6 42. Rxg8 Qxg8 43. Nxd6 Kxd6 44. Nc4+ Kc7 45. Qe1 b5 46. Qe5+ Kb7 47. Na5+ Kb6 48. Qd6 Kxa5 49. Bd8+ Nb6 50. Qxc5 1-0