[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.17"]
[Round "5"]
[White "Aronin, Lev Solomonovich"]
[Black "Mnatsakanian, Eduard A"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 d6 9. c3 Bg4 10. d5 Na5 11. Bc2 c6 12. dxc6 Nxc6 13. Bg5 Rc8 14. Nbd2 d5 15. h3 Bh5 16. Bxf6 Bxf6 17. exd5 Qxd5 18. Ne4 Qxd1 19. Nxf6+ gxf6 20. Bxd1 Rfd8 21. Nh4 Bg6 22. Bg4 Rb8 23. Rad1 Bc2 24. Rxd8+ Rxd8 25. Bf5 Bxf5 26. Nxf5 Rd2 27. b4 Kf8 28. a4 Ne7 29. Ne3 Rd3 30. axb5 axb5 31. Rc1 Nd5 32. Nxd5 Rxd5 33. g4 Kg7 34. c4 bxc4 35. Rxc4 h6 36. Kg2 f5 37. gxf5 Kf6 38. Rc6+ Kg5 1/2-1/2