Play in the browser
The game runs in your browser on desktop and phone. Nothing to install to get started.
Play digitally
Play What the Chess? right now.
The digital game is live and free to play in your browser. Your account, rating and game history are handled inside the game.
Opens the live game in a new tab.
Jester happens
It looks like chess. Until the Jester gets involved.
Watch a single Jester turn switch four pieces to your side.
A 10x8 board. Familiar pieces, plus two Jesters a side.
Silent 20-second loop. Every move and jump shown is legal under the current rules.
What you get
Everything the digital game does.
Play the computer
A good way to learn how the Jester moves and how quickly a conversion changes a position.
Play other players
Take the 10-by-8 board against someone who also has to work the position out from scratch.
Profile and history
Your rating, stats and past games live in the game itself, so your record follows you between sessions.
The board you will see
10 files, 8 ranks, 2 Jesters a side.
The digital board uses the deep near-black, lavender and ivory palette.