Get ready to rock your rook! Chess by Post is a virtual board by Games by Post, where you play ranked chess games with friends or random players. This ancient strategy game is updated for the digital age by tracking your skill level and matching you against players of similar ability to your own. Simply make your move and wait for your opponent’s turn. The ultimate goal? Check mate, naturally. This game works on select Tobii Dynavox devices and can be played with , and other software.