Free to playCustomize decksNo account needed
Chess, but cards let you change the rules.
Play live with a friend in seconds.
Nothing to download. Stupidchess runs in the browser on your phone, tablet, or laptop.
Hit Play now and you get a fresh board with its own link.
Your friend opens it on any device. No account, no download.
Move pieces, play cards, and watch the rules bend under both of you.
A hands-on tutorial on a real board walks you from your first move to your first card and checkmate. The full rules are a click away.
Try the tutorialNot ready for a human? The bot plays black, thinks a few moves ahead, and is happy to lose slowly while you find your footing.
Play a botPick 52 cards from the full catalog, sort and search the collection, then bring your own rulebook to the table. Every deck is a different game.
Open the deck builderEvery game keeps a full move-and-card history. Scrub back to the turn where it all went sideways.
Browse your gamesStupidchess as an app for your phone and tablet is on the way. Until then, the browser version plays on any of them, nothing to install.
A printed deck to play over a real chessboard, no screen needed. Until then, your deck runs on one screen beside the board you already own.
Pick a deck and find out what chess feels like when the rules keep shifting under both of you.
Free to play. Customize decks. No account needed.