Correct answer: Nf31...Bb5[a] 2.Q:b5#[A] 1...e2/[б]/ 2.Qc1#[Б] 1...Ng4/Ng8/Nh5/Nh7/Ne4/Ne8/Nd5/Nd7 2.Qd5# 1...Nc5/Nd6/Nd8/Na5 2.Q