[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.11"]
[Round "1"]
[White "Antoshin, Vladimir S"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. d5 exd5 8. cxd5 Nxd5 9. Bxh7+ Kxh7 10. Qxd5 d6 11. O-O Bxc3 12. bxc3 Kg8 13. e4 Be6 14. Qh5 f6 15. Bf4 Ne5 16. Bxe5 dxe5 17. Nh4 Bf7 18. Qg4 Qc7 19. Nf5 Bc4 20. Rfe1 Rfe8 21. Re3 Be6 22. Rd1 Rad8 23. Red3 Rxd3 24. Rxd3 c4 25. Qg6 Rb8 26. Rd1 b5 27. h4 b4 28. cxb4 c3 29. h5 c2 30. Rc1 Bxf5 31. exf5 1/2-1/2