Correct answer: Nb31.Nh3?? (2.Ng5#) 1...Bf4 2.Nf2# but 1...Bh4! 1.Ngf3?? (2.Ng5#/Nd2#) 1...Bh4 2.Nd2# 1...Be1 2.Ng5# but 1...Bf4!
