Correct answer: Rh71...Nf8[a] 2.Rfe7#[A] 1...Nd8/[б]/ 2.Rde7#[Б] 1.c7?? (2.Rde7#[Б]) but 1...N:c7! 1.Rh7! zz 1...Nf8[a] 2.Rhe7#[D] 1...Kf8/Nf4/N