Correct answer: Rd31...c:b4 2.R:d4# 1...e:f5 2.Bf3#[A] 1.b5? zz 1...Kd5 2.Nc3#[Б] 1...e:f5 2.Bf3#[A] but 1...g:f4! 1.Kg6?? (2.Bf3#[A]) but 1...Kd5! 1.Ng3+??