Correct answer: Nd31...N:e5 2.R:d6# 1...B:d5/Bb7 2.e8Q#/e8R# 1...Ba8/Nb5/Nb7 2.c8Q#/c8B#/e8Q#/e8R# 1...Ne4/Ne8/Nf5 2.c8Q#/c8<