[Event "It (open) (b)"] [Site "masterchessopen.com Dortmund (Germany)"] [Date "2010.07.20"] [Round "4"] [White "Wickenfeld Udo (GER)"] [Black "Thiemann Marc"] [Result "1-0"] [WhiteElo "1480"] [BlackElo "835"] [ECO "D55"] [Opening "QGD: 6.Nf3"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 c5 7.cxd5 Nxd5 8.Bxe7 Qxe7 9.Rc1 Nc6 10.Be2 b6 11.O-O Rd8 12.Ne4 f5 13.Ng3 Ndb4 14.Qb3 cxd4 15.Nxf5 Qf7 16.N5xd4 Nxd4 17.exd4 a5 18.Bc4 Nc6 19.Qxb6 Bd7 20.Rc2 Rdb8 21.Qc5 Qf5 22.Qxf5 Ne7 23.Bxe6+ Kh8 24.Qf7 {#r} 1-0