Correct answer: Nf51...Nf8[a]/Ng5[a]/Nd8[a]/Nc5[a]/Nc7[a] 2.N:f4#[A] 1...f3/[б]/ 2.Ng3#[Б] 1.Nf3?? zz 1...Nf8[a]/Ng5[a]/Nd8[a]/Nc5[a]/Nc7[a] 2.N