Correct answer: Ra3+1...Ra8 2.Q:a8# 1.Qc7?? (2.Qb6#) 1...b5 2.Ra3# but 1...b6! 1.Qc4+?? 1...Ka5 2.Qb5# but 1...b5+! 1.Qd7?? (2.Qb5#/Qa4#) 1
