Correct answer: Be21...Ke4 2.Qc4# 1.Kc6?? zz 1...Ke5 2.Qf4# but 1...Ke4! 1.Ke6?? zz 1...Ke4 2.Qc4# but 1...Kc5! 1.Qd1+?? 1...Kc4 2.<
