Correct answer: Qb31...d5+ 2.Ng6# 1.Q:c4+?? 1...Ke5 2.Qc3# but 1...K:c4! 1.Qb3! (2.Qc3#) 1...d5+ 2.Ng6# 1...N:b2 2.Ng6#/Nd3#
