Play the computer
Pick a rival, a clock and a variant — then fight.
Puzzles
Rated tactics and the Daily Puzzle — every position is engine-verified.
Puzzle Rush
5 minutes. Escalating difficulty. Three strikes and you're out.
Puzzle Battle
Same puzzles, same clock — race a matched rival for 3 minutes.
Endgame drills
Convert winning endgames against a stubborn engine. Draws count as a fail — technique matters.
Vision trainer
30 seconds — click the named square as fast as you can. Board coordinates become reflex.
Learn
The free "New to Chess" guide, plus themed checkmate trainers.
Archive
Every game you've played here, stored in your browser. Click a game to replay it.
| Date | Opponent | You | Time | Variant | Result | Moves |
|---|
Insights
Aggregated performance data across all your games.
Settings
Make the board yours — changes apply instantly and are saved in your browser.
Wipe all local progress — ratings, games, streaks, settings.