Correct answer: Nf41...Kg6 2.Be4# 1...K:e6 2.Bc8# 1.Kg7?? (2.Qf6#) 1...c6 2.Qe5# but 1...K:e6! 1.f3?? zz 1...Kg6/B:c5/Ba5/Ba7 2.Be4#