[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.25"]
[Round "10"]
[White "Estrin, Yakov Borisovich"]
[Black "Klaman, Konstantin"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Nxd4 6. Nxe5 O-O 7. Be3 Qe7 8. Bxd4 Bxd4 9. Qxd4 c5 10. Qc3 Nxe4 11. Qe3 Qxe5 12. Nc3 1-0