Correct answer: Qc31...Nc6+ 2.b:c6# 1...Na6+ 2.b:a6# 1.Rf2?? zz 1...Nc6+ 2.b:c6# 1...Nd3/Nd5/Na2 2.Ra2# 1...Na6+ 2.b:a6# but 1...Nc2! 1.Q:b4+??