Correct answer: Qa61...Bd6/Qc5/Qc4/Qc7/Qc8 2.Nf6# 1...Bc5/Qb6/Qa6/Qd6/Qg6 2.Nc3# 1...Qc3/Qf6/Qb5/Qa4/Qb7/Qa8 2.Nf