[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.12.08"]
[Round "18"]
[White "Gipslis, Aivars P"]
[Black "Prokhorovich, Taras E"]
[Result "1-0"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Be3 c5 10. Bd3 Nxc3 11. dxc5 Qa5 12. Nf3 Ne4+ 13. Ke2 b6 14. Bxe4 dxe4 15. Qxe4 Ba6+ 16. Kd1 Nc6 17. Qxc6 Rd8+ 18. Nd2 Qc3 19. Rb1 Ke7 20. Qa4 Rd5 21. Qb4 Qxe5 22. cxb6+ Kf6 23. Qf4+ Qxf4 24. Bxf4 1-0