Correct answer: Kh31...Bf7/Bd7/Bc6/Bb5/Ba4 2.N:f7# 1...f4+ 2.e:f4# 1.Rf1?? (2.R:f5#) 1...f4+ 2.e:f4# 1...Bd7 2.Nf7# but 1...Bg6! 1.N:e8?? zz
