Raspberry Turk: a chess-playing robot - Raspberry Pi
Chess House - 🌟 🌟 🌟 🌟 🌟 5 star review from Joseph Bacon: I'm impressed! I'm amazed at how well it plays using Raspberry Pi hardware. It's a nice sparring partner
Vision
Computer Chess Board using Raspberry Pi
Hardware – PicoChess by LocutusOfPenguin
PicoChess Next Generation - Chess Forums - Chess.com
Check This Chess-Playing Raspberry Pi Robot | Tom's Hardware
DIY Super Smart Chessboard | Play Online or Against Raspberry Pi : 34 Steps (with Pictures) - Instructables
Building my own dream chess computer - Part I
Smart Chess Board - Play online or against Raspberry Pi
Play a game of Ghost Chess with this interactive, Raspberry Pi-powered board - Raspberry Pi Pod and micro:bit base