[Event "Oberliga East A 1999/00"] [Site "Germany"] [Round "4"] [White "Hermannsdoerfer Frank (GER)"] [Black "Vieweg Klaus Dr (GER)"] [Result "1/2-1/2"] [WhiteElo "2175"] [BlackElo "2099"] [ECO "A43"] [Opening "Old Benoni: 2.dxc5"] 1.d4 c5 2.dxc5 Na6 3.Qd4 Qa5+ 4.Bd2 Qxc5 5.Qxc5 Nxc5 6.Nc3 Nf6 7.Nb5 Ne6 8.g3 a6 9.Nc3 b5 10.Bg2 Rb8 11.e4 Bb7 12.f3 d6 13.Nge2 g6 14.O-O Bg7 15.Be3 O-O 16.a3 Nd7 17.f4 Nf6 18.h3 Rfc8 19.Rad1 Nc5 {#d} 1/2-1/2