Correct answer: Bc11.Qe7+?? 1...Kd5 2.Bg8#/Qe6#/Qe5# but 1...Kf4! 1.Qe8+?? 1...Kd5 2.Qe6#/Qe5#/Qc6# but 1...Kf4! 1.Bc1! zz 1...