Correct answer: Bd51...R:c6 2.B:c6# 1...Rc8/R:a7 2.c7# 1...Rb7 2.c:b7# 1...Rd7 2.c:d7# 1.Be4?? zz 1...R:c6 2.B:c6# 1...Rc8/R:a7/Rf7/Rg7/