[Event "URS-ch24 Semifinal"]
[Site "Leningrad"]
[Date "1956.11.??"]
[Round "?"]
[White "Kotov, Alexander"]
[Black "Tolush, Alexander V"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 Be7 7. Nd2 O-O 8. Nc4 Ne8 9. Bf4 Bf6 10. e3 Nd7 11. Be2 Nb6 12. O-O Nxc4 13. Bxc4 Nc7 14. Qe2 a6 15. a4 b6 16. Ne4 Be7 17. Qh5 g6 18. Qf3 f5 19. Nc3 Rb8 20. Bh6 Rf7 21. Qe2 Bf6 22. Rfd1 Bb7 23. Bf4 Qd7 24. Bg3 Re8 25. Qc2 g5 26. Ne2 Bc8 27. h4 h6 28. Bh2 Re4 29. h5 Re8 30. Bd3 Ref8 31. Qb3 b5 32. Bc2 b4 33. Bd3 Ne8 34. Ng3 Be5 35. Nf1 Bxh2+ 36. Kxh2 Nf6 37. Be2 Re7 38. Nd2 f4 39. Nc4 g4 40. Qd3 f3 41. Bf1 g3+ 42. Kg1 gxf2+ 43. Kh1 Ne4 0-1