Нашёл 6 млн ответов for 'chess game'.
http://chess.game/
https://www.chess.com/
https://www.chess.com/play/computer
https://www.y8.com/tags/chess
https://cardgames.io/chess/
https://www.crazygames.com/t/chess
https://www.chessbites.com/Games.aspx
https://play.chessbase.com/
https://en.chessbase.com/