Correct answer: Qc81...Ra8 2.R:b7#/Q:b7# 1...Rc8/Rd8/Re8/Rf8/Rg8/Rh8 2.Q:b7# 1.R:b7+?? 1...Ka8 2.Qa6# but 1...R:b7! 1.Qb5?? (2
