[Event "URS-ch25 Semifinal"]
[Site "Sverdlovsk"]
[Date "1957.11.20"]
[Round "7"]
[White "Gipslis, Aivars P"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Bd2 Qxd4 7. Nf3 Qd8 8. a3 Ba5 9. Ne4 Nc6 10. Nxc5 Bxd2+ 11. Qxd2 Nf6 12. O-O O-O 13. Rad1 Qe7 14. Ne4 h6 15. Rfe1 Rd8 16. Qf4 Nd5 1/2-1/2