[Event "URS-ch18 Semifinal"]
[Site "Gorky"]
[Date "1950.10.??"]
[Round "13"]
[White "Konstantinov, Alexander Ivanovich"]
[Black "Estrin, Yakov Borisovich"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Bc5 10. Nbd2 Bf5 11. a4 b4 12. Nxe4 Bxe4 13. Be3 Be7 14. Nd2 Bf5 15. Qf3 Be6 16. Qg3 g6 17. Bh6 Nd4 18. Qd3 c5 19. a5 Nxb3 20. Qxb3 Bg5 21. Bxg5 Qxg5 22. f4 Qd8 23. Rfd1 O-O 24. c4 bxc3 25. Qxc3 Qe7 26. Rac1 Rfc8 27. Qa3 1/2-1/2