Correct answer: Nf81...Ke4[a] 2.Qg4#[A] 1.Nde5? (2.Qf3#[Б]/Qg4#[A]) but 1...Kf5/[б]/! 1.Nf6?? (2.Qf1#/Qg4#[A]) but 1...Kf5/[б]/! 1.Nb6?? zz 1...K<