[Event "USSR Championship"] [Site "Riga (RUS)"] [Date "1970.12.13"] [Round "13"] [White "Vladimir Doroshkievich"] [Black "Vladimir Mikhailovich Liberzon"] [Result "1-0"] [ECO "E73"] [Opening "King's Indian: 5.Be2 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 e6 8.Qd2 exd5 9.exd5 Re8 10.Nf3 Bg4 11.O-O Nbd7 12.h3 Bxf3 13.Bxf3 a6 14.a4 Qe7 15.Rae1 Qf8 16.Bd1 Rxe1 17.Rxe1 Re8 18.Rxe8 Qxe8 19.Bc2 h5 20.Bf4 Ne5 21.Qe2 Kh7 22.Bd2 Ned7 23.f4 Qxe2 24.Nxe2 Ne8 25.b3 Bh6 26.g4 hxg4 27.hxg4 Ne5 28.g5 Nf3+ 29.Kf2 Nxd2 30.gxh6 f5 31.Ng3 Nf6 32.Ke3 Nde4 33.Bxe4 fxe4 34.a5 Ng4+ 35.Kxe4 Nxh6 36.Kd3 Kg7 37.Kc3 Kf7 38.b4 cxb4+ 39.Kxb4 Ke7 40.c5 Kd7 41.Kc4 Ng4 42.cxd6 Kxd6 43.Ne4+ Kd7 44.Nc5+ Kc7 45.Kd4 b6 46.Nxa6+ Kb7 47.d6 Nh6 48.Kd5 Nf7 49.axb6 Kxb6 50.Ke6 Nd8+ 51.Ke7 Nc6+ 52.Kd7 Nd4 53.Ke8 {#r} 1-0