Correct answer: Nd21...Nd2/Na3 2.c3# 1...Be5/Bc7/Bb8 2.Ne6# 1...B:c5+ 2.Q:c5# 1...f3 2.Q:e3# 1...Ng4/Ng8/Nh5/Nh7/Ne4/Ne8/Nd5+/N