Correct answer: Bd81...f3 2.Q:h6# 1...Ne4 2.Nf5# 1...Nf1/Qb2/Qb3/Qb4/Qb5/Qg1/Qc2/Qd3/Qe4/Qf5 2.Qg1# 1...Nf3 2.Ng4# 1...Nb3