Correct answer: Rh11.N:e3+?? 1...Ke1 2.Nf3#/Rhe2#/Rc1#/Rce2# but 1...R:e3! 1.Nh3?? (2.Rh1#) 1...e2 2.Nf2# but 1...Rf6! 1.Nf3?? (2.Rh1#)