Correct answer: Qf81...Rf6/Rf4/Rf3/Rf2/Rf1 2.e8Q#/e8R# 1...Rf8 2.e:f8N# 1...R:e7+ 2.Q:e7# 1...Nc4/Nc8+/Nd5/Na4/Na8 2.Qc8#