Correct answer: K:d41.R:d4?? (2.Kc5#/Kd5#) 1...e6/b:a6 2.Kc5# 1...b6 2.Kd5# but 1...e5! 1.Rf2?? (2.Ra2#) but 1...Ka3! 1.Rf1?? (2.Ra1#) but 1...Ka3!