Correct answer: Rb11...Ka8 2.Bd5# 1.Be6[A]? zz 1...Ka8 2.Bd5# but 1...Kc6/[б]/! 1.Ba4[Б]? zz 1...K:a6/Ka8 2.Bc6# but 1...Kc8[a]! 1.Kd6??