Correct answer: Rb31...R:f3/Rf6/Rff7/Rf8 2.B:c4#/Q:c4# 1...Rf5 2.B:c4#/Qd2#/Qd1#/Qd3#/Q:c4#/Rd3# 1...Re5/Rd7/R:c7/Ref7/R
