[Event "URS-ch sf"] [Site "Leningrad URS"] [Date "1957.12.04"] [EventDate "1957.11.11"] [Round "16"] [Result "1/2-1/2"] [White "Vladimir Bykov"] [Black "Konstantin Klaman"] [ECO "A34"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "41"] 1.c4 c5 2.Nc3 f5 3.Nf3 d6 4.d4 cxd4 5.Nxd4 Nc6 6.g3 Nxd4 7.Qxd4 e5 8.Qd1 Be6 9.Bg2 Qd7 10.b3 Nf6 11.e4 Be7 12.exf5 Bxf5 13.O-O Bh3 14.Bg5 Bxg2 15.Kxg2 O-O-O 16.Qe2 Ne8 17.Bxe7 Qxe7 18.Rad1 Nf6 19.f3 a6 20.Nd5 Nxd5 21.Rxd5 1/2-1/2