The camera- It the camera can’t see the board, it can’t provide moves. An IR blaster may be a valid tool to blind the camera, but not the player. This could be a battery and LED with a switch that is placed next to the board.
The internet connection - If the AI can’t talk to where the processing is happening, it can’t get answers. Anything from a jammer to a metal cage would work here, but watch your legality.
The device itself - anything to stop the device from working. This could be a EMP, but that’s rather non-selective.
The board - limiting information from the board in a way humans can understand but AI currently can’t. This could be as simple as only showing half of a board at any time.
The IR blaster is likely your best bet, else it might be time for a ruling of “no electronic glasses at the board”.
There are a couple avenues of attack:
The IR blaster is likely your best bet, else it might be time for a ruling of “no electronic glasses at the board”.