These chess computers rate best for portability and travel.

eONE (new in 2022) is the eboard that connects you to the Millennium app for play on lichess, chess.com and the widest variety of apps. It's a comfortably sized, 12" electronic chess board with onboard power and Bluetooth. This lets you connect to your phone or tablet and then have the freedom of being untethered from wall power or cables.

Genius Pro has a built in engine and is the classic computer that plays at all levels, keeps you learning and practicing, and gives you a challenge any time you want to play. It is not for online play.

Square Off Pro is a roll-up board that connects to the Square Off and Chess.com servers for online play or play against computers.