[Event "URS-ch24 Final"]
[Site "Moscow"]
[Date "1957.01.25"]
[Round "4"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Aronson, Lev Abramovich"]
[Result "1/2-1/2"]

1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. d5 O-O 7. Nh3 c6 8. Nf4 Qe8 9. h4 e5 10. dxe6 Bxe6 11. Nxe6 Qxe6 12. Bf4 Na6 13. Qxd6 Qxc4 14. Qd2 Rad8 15. Qc1 Ng4 16. O-O Nc5 17. Bg5 Rde8 18. Bd2 Ne6 19. b3 Qc5 20. e3 Rd8 21. Be1 Ne5 22. Na4 Qxc1 23. Rxc1 Nd3 24. Rc2 Nxe1 25. Rxe1 Rfe8 1/2-1/2