Cool Math Xess.io is a Multiplayer Chess game online in which you must go take over more pieces in order to defend your king. You will take turns to battle against your opponent, hence, it will be much better if you have a good grasp of pieces and understand the in-game rules. Try to move your pieces carefully, use your tactics and skills wisely to defeat the rival and go vanquish the entire map. Your main goal is to win the game! Good luck!
Just use the mouse to move all pieces and interact with them in the game.