Correct answer: Bh71...R:a2 2.Bc2# 1...R:b1 2.Ra3# 1.Bd3?? (2.Bc4#) 1...R:a2 2.Bc2# 1...Rc1 2.Ra3# but 1...R:h1+! 1.Be4?? (2.Bd5#)
