[Event "It (open) \"] [Site "masterchessopen.com – Cologne (Germany)"] [Round "0"] [White "Mueller Hans Georg (GER)"] [Black "Richter Goetz (GER)"] [Result "1-0"] [WhiteElo "2256"] [BlackElo "2018"] [ECO "E12"] [Opening "Queen's Indian: Petrosian"] 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 d5 5.cxd5 exd5 6.Nc3 Be7 7.Bg5 O-O 8.e3 Bf5 9.Be2 Nbd7 10.O-O c6 11.Rc1 h6 12.Bf4 Nh5 13.Be5 f6 14.Bg3 Nxg3 15.fxg3 Bh7 16.Qa4 b5 17.Qb3 Nb6 18.e4 a6 19.exd5 cxd5 20.a4 b4 21.a5 Nc4 22.Nxd5 {#r} 1-0