Correct answer: Q:d31...K:e5 2.Qf4# 1...f:e5 2.Ne4# 1.Be7+?? 1...K:e5 2.Qf4# but 1...K:e7! 1.Bc7+?? 1...K:c5 2.Qe3# but 1...Ke7! 1.Nb:d