Correct answer: Ra51...R:e2 2.B:e2# 1.Ra4?? (2.Rh4#) but 1...Rh1+! 1.Ra5! (2.Bf4#/Bg3#/Bh2#/Bf6#/Bg7#/Bd4#/Bc3#/Bb2#/Ba1#/Bd6#
