Correct answer: Rf51...c5 2.N:d5# 1...Nh3/Nh7/Nf7/Ne4/Ne6 2.R:f3# 1...h4 2.Ng4# 1...d4 2.Nc4# 1.N:h5?? zz 1...g:h5 2.Nf5# 1...Nh3/Nh7/N