Correct answer: R:f61...Bd6/d6 2.Re4# 1.Rgg4?? (2.Rf3#/Rf2#/Rf1#/Rf5#/Re4#/Rd4#) 1...f5 2.R:f5# but 1...Kd6! 1.Rg5+?? 1...Kd6 2.R:
