Chess

Boudica is an experimental chess engine, built mostly by prompting Claude Code and named after Boudica, queen of the Iceni. At full strength it plays at about 2100 Elo.

New game
What does 5+3 mean?

Each player starts with 5 minutes, and 3 seconds are added after every move. No limit means there's no clock.

Boudica 5:00

You 5:00

Choose your settings and press Start.

Evaluation

White ############............ Black
No evaluation yet.

Moves

No moves yet.

Resign

Resigning ends the game as a loss.

Promote your pawn