[Event "URS-ch24 Semifinal"]
[Site "Leningrad"]
[Date "1956.11.??"]
[Round "?"]
[White "Spassky, Boris Vasilievich"]
[Black "Slepoy, Iosef"]
[Result "1-0"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 c4 7. e4 dxe4 8. Ng5 Qxd4 9. Bf4
Nf6 10. Qxd4 Nxd4 11. O-O-O Bc5 12. Ngxe4 Nxe4 13. Nxe4 Ne6 14. Bxc4 Be7 15. Bb5+ Kf8 16.
Be3 a6 17. Bc4 Nc7 18. Nc3 b5 19. Bb3 Be6 20. Bxe6 Nxe6 21. Rd7 Bc5 22. Ne4 Bxe3+ 23. fxe3
Rc8+ 24. Kd2 Ke8 25. Ra7 Rd8+ 26. Ke2 f5 27. Rxa6 Ke7 28. Ra7+ Ke8 29. Nc3 b4 30. Nb5 Rd7
31. Ra8+ Rd8 32. Nd6+ Kd7 33. Rxd8+ Rxd8 34. Nxf5 Ra8 35. Ra1 Kc6 36. Kd3 b3 37. a3 Nc5+
38. Kc3 g6 39. Nd4+ Kd5 40. Rd1 Ke4 41. Nxb3 Na4+ 42. Kc2 Kxe3 1-0