Correct answer: Ng21...Ke5 2.Qe7# 1...R:a4/Ra6/Ra7/Ra8 2.Q:d5# 1...Be5 2.Qh7# 1...Bd4 2.Qb1# 1.Qb4+?? 1...Ke5 2.Re3#/Qe7# 1.