Correct answer: Nb51.Ne3?? (2.Ng4#/Nc4#) 1...h5 2.Nc4# but 1...Kf4! 1.Qe3?? (2.Q:c5#) but 1...Kd6! 1.Nb5! zz 1...c:b5 2.Qd5# 1...c4 2.Qd4#