Answer: Rxe5! Explanation: 1.Rxe5! gxe5 2.Rd7! Qxd7 3.Qf6! Qd1+ 4.Kh2 ... 5.Qg7# The strategy here can be divided into three parts : Opening up the a1-h8 diagonal for the queen by sacrificing a rook for a bishop. Deflecting the black queen from the defense of a crucial square on the a1-h8 diagonal, that is f6! Occupying that strategic square with the queen. 3 views15:03