Appearance
Rules for new games
These apply when you start a game. The starting position stays on the play screen, next to the board.
A backstop, not a live rule — nothing is ever captured, so there is no
natural progress counter. Across 1,800 self-play games none reached 150.
Stops one player harrying the other's king forever. After this many
checks in a row you must play something quiet before checking again.
It never leaves you with no move at all.
Your name
Stamps your games and lets adaptive personalities learn you.