Have you ever wanted to play chess against a computer or online opponent without having to move the pieces yourself? Square Off is just the board for the job. It has an app with square off, training, and live streaming modes. The board has a 2-axis robotic arm with a magnetic head beneath the box to move magnetic chess pieces.
This chess board has an AtMega 2560 chip and Bluetooth to communicate with your phone. The artificial intelligence opponent has 20 difficulty levels. iOS and Android devices are supported. The board works with Stockfish. It also gives you audio feedback.