[Event "URS-ch23 Semifinal"]
[Site "Leningrad"]
[Date "1955.11.15"]
[Round "4"]
[White "Antoshin, Vladimir S"]
[Black "Byvshev, Vasily Mikhailovich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. d5 Bg7 5. Bg2 cxd5 6. cxd5 d6 7. e4 O-O 8. Ne2 Nbd7 9. O-O Nc5 10. Nbc3 Bd7 11. Rb1 a5 12. a4 Qb6 13. b3 Rac8 14. h3 Qa6 15. Be3 Nd3 16. Qd2 Nb4 17. Nd4 Ne8 18. Rfd1 Nc7 19. Bf1 Qa8 20. Rdc1 Nca6 21. Ndb5 Nc5 22. Bd4 Qb8 23. Na3 Bxd4 24. Qxd4 f5 25. Nc4 b6 26. e5 Rcd8 27. e6 Bc8 28. h4 Ba6 29. Be2 Rf6 30. f4 h5 31. Rb2 Kh7 32. Rcb1 Qb7 33. Kh2 Kh6 34. Rg1 Rdf8 35. Re1 Rd8 36. Bf1 Qc7 1/2-1/2