[Event "USSR Championship"] [Site "Leningrad URS"] [Date "1963.12.15"] [EventDate "1963.??.??"] [Round "13"] [Result "1/2-1/2"] [White "Mark Taimanov"] [Black "Aivars Gipslis"] [ECO "E39"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "50"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bf4 Bxc5 7.Nf3 Nc6 8.e3 b6 9.Be2 Bb7 10.O-O d5 11.Rfd1 Qc8 12.a3 dxc4 13.Bxc4 Rd8 14.Ng5 h6 15.Nge4 Be7 16.Nxf6+ Bxf6 17.Ne4 Be5 18.Rxd8+ Qxd8 19.Rd1 Qc7 20.Nd6 Bxf4 21.exf4 Rd8 22.Nxb7 Rxd1+ 23.Qxd1 Qxb7 24.Qd6 g6 25.h4 Ne7 1/2-1/2