If you’ve ever played chess or even checkers, you’ve probably thought about making a board that lets a computer ... After all, you know the position of the pieces at the start.

In a chess game, this is a measure of how easily a piece can influence other pieces on the board. So for any board position, ...

Correspondence chess, or playing a ... both black and white pieces), the positions of all the pieces are controlled via a laptop an Arduino underneath each board. An electromagnet mounted ...