Correct answer: Q:f31...B:c6[a] 2.N:c6#[A] 1...Nd1/Ne2/Ne4/Nb1/Nb5/Na2/Na4 2.Qe4# 1...Bf4 2.g:f4# 1...Rg6/Rg8/Bd7 2.Q:c7# 1...Bf7