Correct answer: R:f41...e6 2.Nf7#/Ng8#/Nh5#/Nh7#/Ne4#/Ne8#/N:d5# 1...R:d7 2.Ng8#/Nh5#/Nh7#/Ne4#/Ne8#/N:d5#/N:d7# 1...Re6 2.Nf7#