Correct answer: Nf51...e2 2.Rc6#/Rc5#/R:c4#/Rc8#/Rb7#/Ra7#/Rd7#/Re7# 1...e:f3 2.Rc5# 1.Qe1?? (2.f8Q#/f8R#) 1...e:f3 2.Rc5# but 1...e2! 1.