Correct answer: Qc71...Kb4/Kc4 2.Qc5# 1.Kd5?? zz 1...Kb4 2.Qc5# but 1...d6! 1.Bd1?? zz 1...Kb4 2.Qc5# but 1...Kc4! 1.Qa5+?? 1...Kc4
