Chess Vault
Mobile-first workspace for syncing Chess.com history, building opening prep notes, comparing opponents, and training tactical patterns from your own games.
1. Import
Pull monthly PGN archives for your Chess.com account and store them in SQLite.
2. Openings
Track your most-played openings by color, score, and common lines from real imported games.
3. Compare
Build scout reports between imported usernames with opening and tactical tendency heuristics.
4. Review Queue
Open Chess.com review pages in a timed loop for games still missing imported accuracy data.
5. Board
Play on an interactive board with legal moves only, undo support, and quick move hints.
6. Training
Run persisted playlist training queues for missed mates, forks, hanging pieces, and back-rank tactics.