♜Crazyhouse Puzzles
Mate puzzles where captured pieces come back — drop from the pocket to finish it.
Mate puzzles with pocket drops — the Crazyhouse variant. Adaptive solving with spaced repetition and filters.
- Captured pieces go to your pocket — drop them onto any empty square.
- The pool adapts to how you are solving.
- Missed ones return on a spaced-repetition schedule.
- Filter by difficulty or mate length whenever you like.
Other puzzle modes
Standard
Classic chess tactics. Adaptive solving with spaced repetition and filters.
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 →