Correct answer: Bg41.Kf4[A]? zz 1...Kc4[a] 2.Ke5#[Б] 1...c4/[б]/ 2.Bg4#[C] but 1...f:e6! 1.Rh7?? zz 1...f:e6 2.Rd7# but 1...c4/[б]/! 1.Rh8?? (2.Rd8#) but 1...c4/[б