Correct answer: Kc51...Ne6/Nb7 2.Q:e6# 1...R:f3 2.Q:f3# 1...Nc4/Nd1/Nd3/Na4 2.Qd3#/Q:c4# 1.Qb4+?? 1...Nc4 2.Q:c4# but 1...Kd5!
