Correct answer: Nb51...Be3 2.f3# 1...Bf4/B:b2 2.Q:f4# 1...Qa2/Qa1/Qa4 2.Qe7#/Nc5# 1...Q:a6/Qe7 2.Qe7# 1...Qc5 2.N:c5# 1.Qc6+??
