Correct answer: g71...Rh8 2.Q:h8# 1...Rg7 2.Qc1# 1.g:f7?? (2.Qa6#/Qc1#/Qf6#) 1...Rh8 2.Qg7#/Q:h8# 1...Rg7 2.Q:g7# but 1...R:f7! 1.g:h7?
