[Event "URS-ch25 Quarterfinal"]
[Site "Minsk"]
[Date "1957.05.16"]
[Round "14"]
[White "Ostrauskas, A"]
[Black "Boleslavsky, Isaak"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. f3 O-O 9. O-O-O d5 10. Nb3 Nxe4 11. Nxe4 dxe4 12. Qxd8 Rxd8 13. Rxd8+ Bxd8 14. Bxd8 Nxd8 15. fxe4 b6 16. Be2 Kf8 17. Rd1 Ke7 18. Nd4 Bd7 19. Bb5 Bxb5 20. Nxb5 Nc6 21. Rd3 a6 22. Nd4 1/2-1/2