Correct answer: Bf51...Rf7/Rf6/Rf5/Rf3/Rf2/Rf1 2.Qb8# 1...Rf4/Rb8 2.Qb8#/Q:f4# 1...Re8/Rd8/Rc8/Ra8/Rg8/Rh8 2.Qf4# 1...
