Correct answer: Rf31...Ng4/Ng8/Nh5/Nh7/Ne8/Nd5/Nd7 2.R:e4# 1.Kb5?? zz 1...Ng4/Ng8/Nh5/Nh7/Ne8/Nd5/Nd7 2.R:e4# but 1...c
