Correct answer: Ke71...Kb5 2.Qa4# 1.Ke5?? zz 1...Kb5 2.Qa4# but 1...Kc7! 1.Kf6?? zz 1...Kb5 2.Qa4# but 1...Kd5! 1.Kf5?? zz 1...Kb5 2
