Privacy

There is no account and no sign-in, so we hold no name, e-mail address or password.

Your browser makes a random identifier the first time you open a board and keeps it in local storage. It tells the server that you are the same player when you come back. The server stores only a hash of it, never the identifier itself.

A board holds the moves, the clocks and those hashes. Nothing else about you is attached to it.

A board that nobody joins is deleted a day after it is made. A finished or idle board is deleted a week after the last move. Deletion removes the moves and the hashes together.

We set no cookies and run no third-party trackers on these pages.