Correct answer: Nb41...a6/a5 2.Nb6# 1...Nd4/Ne1/Nb4/Na3 2.N:e3# 1.Rh4+?? 1...Nd4 2.R:d4#/N:e3# but 1...K:d5! 1.R:h6?? zz 1...a6/a5 2.Nb