Correct answer: Re21...Ke5 2.Q:e3# 1.B:b6+?? 1...Ke4/Ke5 2.Q:e3# but 1...Kd3! 1.Rd2+?? 1...Ke5/Kc3/Kc5 2.Q:e3# but 1...Ke4! 1.R