Correct answer: Qa81...Qb6+/Qc8/Qa8 2.N:b6# 1...Nd6/Na3/Na7 2.Be6# 1.Q:a2?? (2.N4:e3#/Nb6#) 1...Qb6+/Qa6+ 2.N:b6# but 1...Qc6+!