Correct answer: Kb41...Ke8/Kd8 2.Qd7# 1...Nh7/Ne6/Nd7 2.Qe6# 1...Nh4/Nh8/Nf4/Ne5 2.Q:f8# 1.Rg7+?? 1...Ke8/Kd8 2.Qc8# but 1