Correct answer: Nf51.Qg5+?? 1...Kc4 2.Qc5# but 1...Nf5! 1.Q:g7?? zz 1...Kc4 2.Qg8#/Qf7# 1...b2 2.Ba2# but 1...c5! 1.Ng5+?? 1...Kc5/K