Correct answer: Qc21...Ne4 2.Nd3# 1.Nc4+?? 1...Ke6 2.Ne5#/Qf7# 1...Kd5 2.Nd2# but 1...Ke4! 1.Qc5+?? 1...Nd5 2.Q:d5#/Qd4# but 1...<