Correct answer: Kf61...Kc3 2.Qc4# 1...Kc5 2.Qd6# 1.Bb2+?? 1...Kc5 2.Qd6# but 1...Rc3! 1.Kf6! (2.Qe5#) 1...Kc3/Re3 2.Qc4# 1...K<