Correct answer: Qb5+1...Kc1 2.Qa1# 1.Kd3?? zz 1...Kc1 2.Qa1# but 1...Kb2! 1.Qa2+?? 1...Kc1 2.Qa1# but 1...K:a2! 1.Qb4+?? 1...Ka1/