Correct answer: Nd51...Qf2/Rb5/Ra5/Rd5/Re5/Rf5 2.Nd2# 1...Rc4/R5c6 2.Qg4#/Qg3#/Nd2# 1...R:c3 2.Qg4#/Nd2# 1...R:g5+ 2.N:g5#
