Correct answer: Ra41...Kc5 2.Qb4# 1.Bb7?? (2.Qb4#) but 1...Kb6! 1.Rh5+?? 1...Kb6/Ka6 2.Qa5# 1...Ka4 2.Bc6#/Ra5#/Qe4#/Qh4#/Q