[Event "27th Ch Moscow"] [Site "Moscow URS"] [Date "1949.??.??"] [EventDate "1949.01.00"] [Round "?"] [Result "1/2-1/2"] [White "Yakov Estrin"] [Black "Alexander Konstantinopolsky"] [ECO "B10"] [WhiteElo "?"] [BlackElo "?"] [PlyCount "58"] 1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.b3 Bg4 7.Be2 Nd7 8.Bb2 Qc7 9.Nh4 Bxe2 10.Qxe2 h5 11.O-O-O O-O-O 12.Kb1 e6 13.g3 Qa5 14.f4 Ba3 15.Ba1 Rhe8 16.f5 e5 17.Qxh5 Re7 18.d4 Nb6 19.dxe5 Red7 20.Rxd7 Rxd7 21.e6 fxe6 22.Qe8+ Kc7 23.fxe6 Qd5 24.Rc1 Qd2 25.Bb2 Bxb2 26.Kxb2 Nc4+ 27.bxc4 Qb4+ 28.Ka1 Qc3+ 29.Kb1 Qb4+ 1/2-1/2