Correct answer: Ne41...f4[a] 2.Q:d6#[A] 1...Be2/[б]//Bf1/[б]//Be4/Bc2/[б]//Bb1/[б]/ 2.Ne3#[Б] 1...Ne4/Ne8[c]/N:c4[c]/Nc8[c]/Nb5[c]/Nb7[d] 2.B:e6#[C]