Correct answer: Rf81...K:e4 2.Rc4# 1...R:e4 2.Rd3# 1.Rf4?? (2.f3#) but 1...R:e4! 1.Rff6?? (2.f3#) 1...K:e4 2.Rc4# but 1...R:e4! 1.Rf7?? (2.f3#)
