[Event "URS-ch25 Semifinal"]
[Site "Leningrad"]
[Date "1957.11.30"]
[Round "13"]
[White "Ravinsky, Grigory Ionovich"]
[Black "Aronin, Lev Solomonovich"]
[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 a6 8. O-O-O h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. Bxd6 Bxd6 12. Qxd6 Qxd6 13. Rxd6 Bxe4 14. Rd4 Bc6 15. f3 Ke7 16. Be2 Rhd8 17. Rhd1 1/2-1/2