Correct answer: Ka21...Kf6/Nd5 2.Nd7# 1...Bf2/Be1 2.Qg7# 1...Nf5 2.Ng4# 1.Qd1?? (2.Nd7#) but 1...Kf6! 1.Ka2! (2.Qa1#) 1...Kf6/N<