Blitz 800 Puzzles 800 ✓ All features free

Play the computer

Pick a rival, a clock and a variant — then fight.

Choose your opponent
Time control
Your color
Variant

Puzzles

Rated tactics and the Daily Puzzle — every position is engine-verified.

Daily Puzzle
0day streak
—today
Rated Puzzles
800puzzle rating
0solved total

Puzzle Rush

5 minutes. Escalating difficulty. Three strikes and you're out.

5:00
✗✗✗
0
score
0best score

Puzzle Battle

Same puzzles, same clock — race a matched rival for 3 minutes.

0you
vs
0rival
3:00
✗✗✗
800battle rating
0season points
Win streaks multiply season points. Season resets monthly.

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.

—
30seconds
0score
0best

Learn

The free "New to Chess" guide, plus themed checkmate trainers.

Themed trainers

Archive

Every game you've played here, stored in your browser. Click a game to replay it.

DateOpponentYouTimeVariantResultMoves
No games yet — go beat a bot.

Insights

Aggregated performance data across all your games.

0games
0wins
0draws
0losses
—avg accuracy
—most played rival
Blitz rating
Puzzle rating

Settings

Make the board yours — changes apply instantly and are saved in your browser.

Piece style
Board theme
Piece artwork: “cburnett” (Colin M. L. Burnett) and “Merida” sets, via lichess — freely licensed.
Danger zone

Wipe all local progress — ratings, games, streaks, settings.