Correct answer: Qb31...Qb4/Q:a4 2.Q:d3# 1.N:d6+?? 1...R:d6 2.Qe5# but 1...Ke3! 1.R:c4+?? 1...Ke3 2.Qb6#/Qg5# but 1...B:c4! 1.Qd5+?