♟Standard Puzzles
Classic chess tactics — mates, forks, pins and skewers — served at your level.
Classic chess tactics. Adaptive difficulty, and misses come back for review.
- The pool adapts — solve well and the puzzles get harder.
- Missed ones come back on a spaced-repetition schedule.
- Filter by motif, difficulty or mate length whenever you like.
- Always free — these puzzles come from Lichess.
Other puzzle modes
Crazyhouse
Mate puzzles with pocket drops — the Crazyhouse variant. Adaptive difficulty, and misses come back for review.
Puzzle modeOpen →Puzzlehouse
The puzzle roguelike — climb a run with hearts, a combo, drafted mutations and a boss.
Roguelike runPlay →History & Review
Every puzzle you have played — solved and missed — with its next review. Replay any of them.
Your attemptsReview →