Correct answer: Qb21...K:f4 2.B:d6# 1...Ng2/Ng6/Nf3/Nf5+ 2.Rf5# 1...Qd3 2.Nd7# 1...Qd2/Qd1/Qc3/Qb2/Qa1/Qc5/Qb6 2.Rae4#/N