[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.11.11"]
[Round "1"]
[White "Aronson, Lev Abramovich"]
[Black "Muhutdinov, Marat"]
[Result "1/2-1/2"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Nc6 5. Ne2 d5 6. a3 Be7 7. cxd5 exd5 8. Ng3 h5 9. Bd3 h4 10. Nf5 Bf8 11. g3 hxg3 12. Nxg3 Bd6 13. Be2 Ne7 14. Bf3 c6 15. Qe2 Nf5 16. Bd2 Qe7 17. O-O-O Nh4 18. e4 Nxf3 19. Qxf3 Bg4 20. Qg2 Bh3 1/2-1/2