This is a simple game of 3 player chess. Take all the strategy involved in a regular 2-player chess and raise it to the nth power, this game is unpredictable and your enemy may become you ally at any point, and vice-versa. You can forge temporary strategic alliances, but be prepared to be backstabbed at any moment if you let your guard down. Don't hesitate to break alliances without warning, all is fair in love and war 3 player chess.
Every turn you select what piece you wish to move, and copy-paste said piece in it's new location with the image editting software of your choice while erasing it from it's previous location, filling the spot with the tile's original color.
The turn order will be Green -> Red -> Blue
Here is an image detailing the movement of the pieces
Replacements welcome just in case of unexpected catastrophes.