Correct answer: Qb71...Bf1/Bb3/Ba2 2.Q:f1# 1...Bg7 2.N:g7# 1...Qd4/Qd3/Qd7/Qd8/Qc5 2.Ng3#/N4d6# 1...Qd6/Qb5/Qa5 2.N8:d6#/N