[Event "Ch NRW"] [Site "masterchessopen.com Gladbeck (Germany)"] [Round "2"] [White "Frohne Gerd (GER)"] [Black "Koch Udo"] [Result "1-0"] [WhiteElo "2161"] [BlackElo "1650"] [ECO "D35"] [Opening "QGD: Exchange, 4...Nxd5"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Be7 7.Nf3 b6 8.Bd3 Bb7 9.O-O Nd7 10.Qe2 O-O 11.Rd1 c6 12.e5 Re8 13.Qe4 Nf8 14.h4 Rb8 15.Qg4 Kh8 16.Ng5 Bxg5 17.Bxg5 Qc7 18.h5 Kg8 19.Bf6 g6 20.Qg5 {#r} 1-0