How to move the chess pieces in the Apple notebook?

Do you know China chess? The chess pieces are in the grid, so you can eat them wherever you go, and then you can walk horizontally and vertically, but you can't jump. The king can only walk one grid at a time, and can't walk into the grid where the chess pieces attack, like walking sideways, walking sideways, walking vertically, walking sideways, jumping sideways, eating sideways, not retreating, not walking sideways. This is the most common way to walk, and there are some special ways that you are interested in.