Correct answer: Rb71...Rh6/Rh4/Rh3/Rh2/Rh1 2.B:g7# 1...Bb7 2.Ne6# 1...Bd5 2.R:d5# 1.g:h7?? (2.B:g7#) but 1...B:f3! 1.Rb7! (2.Ne6#)
