Correct answer: Kc21...c5 2.Nc7# 1...Bb3+ 2.B:b3# 1...B:a2 2.Q:a2# 1...e3 2.Qd3# 1.K:d2?? zz 1...c5 2.Nc7# 1...Bb3 2.B:b3# 1...B:a2 2.Q:a2#