Correct answer: Rd:d41.Rd:d4! (2.Rd3#/Rd2#/Rd1#/Rd5#/Rd6#/Rd7#/Rd8#/Rdc4#/Rdb4#/Re4#/Rf4#/Rg4#) 1...Kb2 2.Rd2# 1...R:a4 2.R