[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.27"]
[Round "11"]
[White "Klaman, Konstantin"]
[Black "Aronin, Lev Solomonovich"]
[Result "0-1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. Nc3 Nbd7 7. cxd5 exd5 8. Nh4 Be6 9. Qd3 Be7 10. Nf5 Bxf5 11. Qxf5 Qb6 12. e3 O-O 13. O-O Rad8 14. Rd1 Rfe8 15. Bd2 Qc7 16. Rac1 Nb6 17. b3 g6 18. Qd3 Qd7 19. a4 Nc8 20. Ne2 Nd6 21. Nf4 Nfe4 22. Ba5 b6 23. Be1 g5 24. Ne2 g4 25. Qc2 Rc8 26. Nf4 Ng5 27. Qe2 Nde4 28. b4 Bd6 29. b5 cxb5 30. axb5 Bxf4 31. gxf4 Nf3+ 32. Bxf3 gxf3 33. Qxf3 Kh8 34. Qe2 Rg8+ 35. Kh1 Qh3 36. f3 Rxc1 37. Rxc1 Nd6 38. e4 f6 39. Bc3 Nxb5 40. Bb2 Nd6 41. Rg1 Rxg1+ 42. Kxg1 Qe6 43. f5 Nxf5 44. Kf2 Nd6 45. exd5 Qxe2+ 46. Kxe2 Kg8 47. Ba3 Nb5 48. d6 Kf7 49. d7 Nxd4+ 0-1