Correct answer: Re81...Kf2 2.Rb2# 1...N:f3 2.Q:f3# 1...N:d8/N:e5/Ne7/Nb4/Na5 2.R:b8# 1...d2 2.Rb3# 1...Qg4/Qf8/Qe8/Q:d8/Qh8/Q