[Event "Ch Niederrhein (juniors) (under 15)"] [Site "masterchessopen.com - NRW (Germany)"] [Round "0"] [White "Lenzen Christoph"] [Black "Koepping Jan"] [Result "1-0"] [ECO "A36"] [Opening "English: Symmetrical, 3.g3 Nf6"] 1.c4 c5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 e6 5.e4 Be7 6.d3 O-O 7.Nge2 b6 8.O-O Bb7 9.f4 d6 10.h3 g6 11.Kh2 Nh5 12.f5 Ng7 13.fxg6 fxg6 14.Bh6 Re8 15.Nf4 Bf6 16.Qd2 Qd7 17.Rf2 Re7 18.Nxg6 hxg6 19.Rxf6 Kh7 20.Raf1 {#r} 1-0