Correct answer: Rb81...Nf6+/Qg4/Qg3/Qg2/Qg1/Qg6/Qf5/Qe5/Qh5/Qh6/Qf4/Qe3/Qc1 2.e:d8N# 1...Nd6+/Nd3/Na4/Na6 2.Nf:d8#