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Move insight
Key takeaways
Stockfish engine analysis (built in, works offline)
AI coach
Critical moments (click to jump)
Moves
No games loaded
Upload a PGN file or fetch a player's games from Chess.com. Everything is saved in this browser.
Position search
Match:Promote to:
Move pieces yourself: click a piece then a highlighted square, or drag it. Only legal moves work. Click a move above the board to go back to it.
Your notes for this position
Online database (Lichess) — millions of games
Fetch a player's games from Chess.com
Uses Chess.com's free public API (no key, no login). Only games played online on Chess.com are available — not over-the-board tournament games. Matching games are added to your library as one file.
PGN library
Drop .pgn files anywhere on this page, or
Uploaded files are saved in this browser and kept next to the built-in file, so they are still here next time. Duplicate games are skipped.
AWS Bedrock AI coach (optional)
Everything works without this. With a Bedrock API key, an "Analyse this game" button writes a plain-English coaching review. The key stays in this browser only.