Correct answer: Rb41...K:c4 2.Qe4# 1.Nce3[A]? (2.Rb4#[Б]) but 1...e4[a]! 1.Nb2[C]? (2.Qd3#) 1...e4[a] 2.Rb4#[Б] but 1...Nf4! 1.Nd2?? (2.Qe4#) but 1...N