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Automated Chess Board Plays You [Hackaday]
If you’ve ever played chess or even checkers, you’ve probably thought about making a board that lets a computer play you without having to enter your moves and look at the board on a screen. [Greg06] not only thought about it, but he built it.
The board looks great and uses foamboard which makes it easy to reproduce. Each piece has a small magnet within and an electromagnet on an XY motion system can selectively pick up and move pieces. In addition, a reed switch under each square can tell if a square is occupied or not.
This system is pretty simple, but it is effective. After all, you know the position of the pieces at the start. So if a bishop leaves a square and a new square gets a piece, you can assume it is the bishop. There is no need to actually distinguish the pieces.
An LCD and some buttons act as a chess clock, and note if a move is illegal. The Arduino has a pretty basic chess algorithm known as Micro Max that runs on the Arduino, but we wondered if you couldn’t connect to a remote computer to get more sophisticated gameplay or even interface to the Internet to play remote humans, something we’ve seen before. You could even adapt it for other input methods.