Chess game against Computer or another player. Play chess between friends (click on "Player") or the computer (click on "AI") with different levels of "Elo" (from 1 = Beginner, to 20 = World Champion). To start the game, click on the piece you want to move and drag it to the square where you want to take it. The chess game allows you to: change places with the opponent, undo moves, turn the board, choose whether to start with black or white pieces, better analyze moves, view and save the game in a PGN file. This chess game has one of the strongest and most powerful chess engines in the world, Stockfish. The Game Won the Computer World Championship several times.