Correct answer: O-O-O1...Ke4[a] 2.Ng5#[A]/Nec5#[Б] 1...Ng7 2.N:g7# 1...Nh4 2.Nef4#[C]/Nf8#/Ng5#[A]/Ng7#/Nd4#[D]/Nd8#/Nec5#[Б]/Nc7# 1...Nd4
