Correct answer: Ke51...R:d5 2.K:d5# 1...Nf4 2.K:f4# 1...Ng1/Nc1 2.Kd4#/Kf4# 1...Nd4 2.K:d4# 1...N:f5 2.K:f5# 1...Rf8 2.R:f8#/g:f8Q#/g:f
