Correct answer: Nc81...Kd6 2.Qd5# 1...Nf6/Ng7 2.e8N# 1...Nd6 2.e8Q#/e8B#/Ne5#/Nb8# 1...Ne2/Ne6/Nf3/Nf5/Nc2/N:c6/Nb3/Nb
