[Event "6th Soviet Team Cup"] [Site "Riga URS"] [Date "1968.12.??"] [EventDate "?"] [Round "?"] [Result "1-0"] [White "Efim Kogan"] [Black "Rumiancev"] [ECO "A48"] [WhiteElo "?"] [BlackElo "?"] [Source "rusbase"] [PlyCount "70"] 1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 d6 5.h3 O-O 6.Be2 c5 7.c3 Qb6 8.Qb3 Qxb3 9.axb3 Nc6 10.Nbd2 cxd4 11.exd4 Nd5 12.Bg3 e5 13.dxe5 dxe5 14.O-O Bf5 15.Bb5 f6 16.Rfe1 a6 17.Bc4 Rad8 18.Ne4 Kh8 19.Nc5 Bc8 20.Red1 Nce7 21.b4 Nc7 22.Nd4 Nf5 23.Nxf5 gxf5 24.Bh4 h6 25.Kf1 Kh7 26.f3 Kg6 27.g4 fxg4 28.hxg4 Rfe8 29.Ne4 b5 30.Bd3 Kf7 31.Bc2 Ke7 32.Bf2 Ne6 33.Ng3 Rxd1+ 34.Rxd1 Rd8 35.Nf5+ Kf7 1-0