Correct answer: Qe61...K:b2 2.Qa2# 1...b3 2.Q:c3# 1.d5?? zz 1...K:b2 2.Qa2# 1...b3 2.Q:c3# but 1...c:d5! 1.Kf2?? zz 1...K:b2 2.Qa2# 1...b3 2.Q:c3#