Correct answer: Bb41...Bc5 2.Rd7# 1.Rb7+?? 1...Kc5 2.Bb4# but 1...Kd6! 1.Bb4! (2.Rf6#/Rf5#/Rf4#/Rf3#/Rf2#/Rf1#/Rf8#/Re7#/R