Correct answer: Bc41...Ne3 2.Q:c6# 1...Ne7 2.Qg2# 1...Nf4 2.Qe4# 1...Nf6 2.Qf5# 1...Nc7 2.Qf5#/Qd3#/Qg2#/Qe4# 1...Nb6 2.Qf5#/Qd3