Correct answer: Ra51...Nc5 2.Bd2# 1...Na5 2.Ba3# 1.Qd2+?? 1...Kb3 2.Ra3#/Qb2#/Qc3# but 1...Kc5! 1.Qd4+?? 1...Kb3 2.Qc3#/Qb2# b