Can I apply for intellectual property protection in chess? Patents don't seem to work

The rules of chess game belong to the rules and methods of intellectual activities, and patent rights cannot be granted by name in the review guide.

But written rules of the game can be protected by copyright.

If your chess piece design is unique, for example, if someone else's chess piece falls off in the wind, your chess piece will not fall off in the typhoon, and you can also apply for a patent right for invention or utility model.

Also, if your chess pieces are beautifully designed, you can apply for a patent right for design.

For reference.