Correct answer: R:c51...Kg4 2.R:e4# 1...Ke3 2.Q:g5# 1.Kb5?? zz 1...Kg4 2.R:e4# 1...Ke3 2.Q:g5# but 1...b6! 1.Be5+?? 1...Kg4 2.R:e4#
