Correct answer: Nh21.Q:g3?? (2.Qe1#) 1...Kh1 2.Qh2# but 1...h:g4! 1.Nh2! zz 1...Kh1 2.Nf3# 1...Kf2 2.Qd4# 1...g:h2 2.Qe1#