Correct answer: Rb71...N:f8/Nb8 2.Q:c5# 1...Rc7/Rb8/Ra8/Rd8/Re8/R:f8 2.Q:c7# 1...Nh2/Nh4/Ne1 2.Qe1# 1.Rb4?? (2.Ng6#) 1...