Correct answer: Ba71...b5 2.Bc7# 1.Ne4?? zz 1...b5 2.Bc7# but 1...Kb5! 1.Ne8?? zz 1...b5 2.Bc7# but 1...Kb5! 1.Nf5?? zz 1...b5 2.Bc7# but 1...Kb
