Correct answer: Bc71...Nf5 2.Rc5#/Rd5#/Re5#/R:f5# 1...Nb3+ 2.a:b3# 1...Bc3 2.Rc5#/Rd5#/Re5#/Rf5#/Rg5#/Rbh5# 1...Bd2 2.Rc5#/Rd5#/R