Correct answer: Nc61...Bh1/Bf1/Bc6/Bb7/Ba8 2.Qf1# 1...Nc6 2.Rb7# 1...e5 2.Qc4# 1.Rb7+?? 1...B:b7 2.Qf1# but 1...N:b7! 1.Qh5+??
