All in one chess database and study tool. Enables you to annotate games, perform engine analysis, manage and train opening variations, practice tactics, and more without relying on a 3rd-party platform like chess.com or lichess.
- Game database
- Enter and annotate chess games with side variations, text, and annotation symbols
- Organize and search chess games
- Import and export games from PGN
- Replay the games with engine analysis using any UCI chess engine
- Store the games in the SQL database of your choosing, whether that be in a SQLite file or a remote PostgreSQL server, or otherwise.
- Study Tool
- Quiz yourself on opening preparation, or practice solving tactical puzzles.
- Customize your study sessions by handpicking which variations to study and how deep to go.
- Review your accuracy and speed in previous study sessions and try to improve
- Track the positions and files where you have the most difficulty
The game editor with annotations and engine analysis.
The database resembles a file system with folders, games, openings, and puzzles. This view shows a list of games in the 2018 folder which can be filtered.