[Event "NRW-liga (juniors) 1991/92"] [Site "masterchessopen.com NRW (Germany)"] [Round "0"] [White "Mueller"] [Black "Katzer Joachim"] [Result "1-0"] [BlackElo "2020"] [ECO "D35"] [Opening "QGD: Exchange, 4...Nxd5"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 Nxd5 5.e4 Nb6 6.f4 f5 7.Nf3 c5 8.Ne5 cxd4 9.Bb5+ Bd7 10.Qxd4 a6 11.Be2 Nc6 12.Bh5+ Ke7 13.Qc5+ Kf6 14.Nxd7+ Nxd7 15.e5+ Ndxe5 16.fxe5+ Nxe5 17.Qe3 Nd3+ 18.Ke2 Ne5 19.Qg5# 1-0