Correct answer: Qd31.Ne6+?? 1...Kd5 2.Qd3# 1...Kd6 2.Qd1#/Qd3# but 1...Ke4! 1.Qd3! (2.Ne2#/Ne6#) 1...Kd5 2.Ne6#/Nb3# 1...Kf4/
