Correct answer: f:g71...g:f6 2.R:f6#/Rg8#/Qh6# 1.Rg8?? (2.R:g7#/Qh6#) 1...Nf7/Bg1/Bg3/Bf4/Be5/Bd6/Bc7/Bb8 2.R:g7# but 1...Be4!