Correct answer: Be41...d5 2.Nf3#/Nb3#/Rc4#/Nf5# 1.Qf6+?? 1...Kd5 2.Be4# but 1...Ne5! 1.Qb6+?? 1...Kd5 2.Bc4# but 1...Nc5! 1.Bc4??
