Correct answer: Kg51...Ne3 2.f3# 1...Bf5 2.Bd5# 1...Ne5/Nf6/Nf8/Nc5/Nb6/Nb8 2.Nf6#[A] 1...Rb5 2.c:b5# 1...R:c4 2.R:c4# 1...c6/c5 2.Nd6#[Б]