[Event "URS-ch19 Semifinal"]
[Site "Lvov"]
[Date "1951.??.??"]
[Round "4"]
[White "Byvshev, Vasily Mikhailovich"]
[Black "Bonch Osmolovsky, Mikhail"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Be2 Be7 8. Qd2 Qc7 9. O-O-O b5 10. a3 O-O 11. f4 Bb7 12. Bf3 Nbd7 13. Rhe1 Nb6 14. e5 dxe5 15. fxe5 Nfd5 16. Nxd5 Bxd5 17. Bxd5 Nxd5 18. Re4 Rac8 19. Bxe7 Nxe7 20. Qe2 Rfd8 21. Nf3 Rd5 22. Rxd5 Nxd5 23. Rh4 a5 24. Kb1 b4 25. axb4 axb4 26. Qe4 h6 27. Qd3 Ra8 28. Kc1 Qa7 29. Kd2 Qa1 30. b3 Qh1 31. Qe2 Ra1 32. Ne1 Nc3 0-1