Correct answer: Qf51...g:h2[a]/g2[a] 2.Rc3#[A] 1...Nc8/[б]//Nd7/[б]//Na4/[б]//Na8/[б]/ 2.d5#[Б] 1...Nd5[c] 2.Qe2#[C] 1.h:g3? zz 1...Nc8/[б]//Nd7/[б]//Na4/[б]//N