Correct answer: Nf61...Kd4/B:f3/Bf5/Be6 2.Bf2# 1.Kd5?? (2.d4#) but 1...Be6+! 1.Ke5?? (2.Bf2#/Bf4#/d4#) 1...Be6 2.Bf2#/Bf4# but 1...d6+!
