Correct answer: R7a61.Bd4?? (2.R7a6#) but 1...Kd6! 1.Bc7?? (2.R7a6#) but 1...Kf6! 1.Bd8?? (2.R7a6#) but 1...Kf6! 1.R7a6! (2.Bd4#/Be3#/Bf2#
