Free tool
Analysis Board
A full analysis setup with zero installation: live Stockfish evaluation, best-move arrows, move-by-move grading from "best" to "blunder", accuracy scores for both sides, and a clickable evaluation graph. Import any game as PGN or any position as FEN. Free and private — the engine runs on your machine, not a server.
What you get
- Stockfish engine evaluation, live as you step through moves
- Full game review: every move graded, accuracy per side, evaluation graph
- Opening detection against 3,700+ named lines
- Works offline once loaded — your games never leave your browser