Correct answer: Rd11...Qb8 2.N:c6# 1...f6/f5 2.Ng6# 1...Ng3/Ng7/Nf4/Nf6 2.Bf4#[A] 1...Nd4/Nd8/N:e7/Nb4/Nb8/Na5 2.B:d4#[Б] 1.Bf5