[Event "Ch Germany"] [Site "masterchessopen.com Bad Oeynhausen (Germany)"] [Round "7"] [White "Hahn Eduard"] [Black "Klaus Georg"] [Result "0-1"] [ECO "D31"] [Opening "Semi-Slav: Noteboom, 5.a4"] 1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Bxc3 8.Bxc3 Nf6 9.axb5 cxb5 10.Ba5 Qd5 11.Ne5 Bb7 12.f3 Nc6 13.Nxc6 Bxc6 14.Bb4 e5 15.Be2 exd4 16.exd4 Qg5 17.O-O Nd5 {#R} 0-1