The lower left would be for the primary move diagram, the upper right for the additional explanation of the rifle and hit & run capture. I made the arrows yellow rather than white for better contrast with white pieces. Capture-only moves would be colored red, move-only green. For a hopper there would be no cross on the Pawn, and it would be half white, half black.
I would do it more like this:
The lower left would be for the primary move diagram, the upper right for the additional explanation of the rifle and hit & run capture. I made the arrows yellow rather than white for better contrast with white pieces. Capture-only moves would be colored red, move-only green. For a hopper there would be no cross on the Pawn, and it would be half white, half black.