[Event "Ch DDR"] [Site "masterchessopen.com Premnitz (Germany)"] [Round "1"] [White "Zinn Lothar (GDR)"] [Black "Liebert Heinz (GER)"] [Result "1-0"] [WhiteElo "2400"] [BlackElo "2247"] [ECO "A46"] [Opening "Indian: 2.Nf3 e6"] 1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 Ne4 8.Nfd2 d5 9.Nxe4 dxe4 10.Nc3 f5 11.Bb2 Bf6 12.e3 Na6 13.a3 c5 14.Ne2 Nc7 15.Qc2 Qe7 16.dxc5 bxc5 17.b4 cxb4 18.axb4 Na6 19.Bxf6 Rxf6 20.b5 Nc5 21.Ra5 a6 22.Rfa1 Rff8 23.Nd4 Rfc8 24.Bf1 Qd6 25.Nb3 Nd3 26.bxa6 Rxa6 27.Rxa6 Bxa6 28.c5 Bb5 29.cxd6 Rxc2 30.Nd4 {#r} 1-0