Correct answer: a71...Nf4/Ne1/Ne3 2.Re3# 1.Nh3?? (2.Ng5#/Nf2#) 1...Nd3/g3 2.Ng5# but 1...g:h3! 1.Nf3?? (2.Ng5#/Nd2#) 1...c3 2.Ng5# but