[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "11"]
[White "Byvshev, Vasily Mikhailovich"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. Nxd4 O-O 9. Nf5 d5 10. Bxc6 bxc6 11. Nxe7+ Qxe7 12. Qd4 Nc5 13. Qc3 Rb8 14. Nd2 Re8 15. Re1 Nd7 16. b3 c5 17. Ba3 Rb6 18. Rad1 Bb7 19. f4 Rg6 20. Qd3 Re6 21. Nf3 h6 22. c4 Nb6 23. cxd5 Bxd5 24. f5 Bxf3 25. fxe6 Bxd1 26. exf7+ Qxf7 27. Qxd1 c4 28. Bb2 cxb3 29. axb3 1/2-1/2