Pandemic boredom and a Netflix mini-series, “The Queen’s Gambit,” added to the game’s sudden popularity. But Chess.com was also plotting its own moves.

The Password Game can be infuriatingly tricky, throwing ever more complex demands at you. The Password Game’s Rule 16 asks you for the best move for an on-screen chess game, in algebraic chess ...

Those who have studied chess will face a wily opponent that does not "stick to the book" in openings. Oddly, there is no clock or in-game chess tutorial, which, combined with the fantasy world pieces ...

Almost nothing looks more orderly than chess pieces before a match starts. The first move, however, begins a spiral into chaos. After both players move, 400 possible board setups exist. After the ...