Correct answer: Na51...Kc6 2.Qe4# 1...Ra4/Ra5/Ra6/Ra7/Ra8 2.Qh1# 1...e:d6 2.R:d6# 1.Qf5+?? 1...Kc6 2.Rc8#/Qc5#/Qb5#/Qe4# but 1...