SacTheRook — Free Chess Game Analyzer
Analyze your chess games for free with Stockfish engine evaluation.
Import directly from Chess.com or Lichess — no account needed, no sign up, completely free.
Features
- Stockfish engine evaluation with best move arrows
- Accurate Brilliant move finder
- Move classifications — brilliant, great, best, excellent, good, inaccuracy, mistake, miss, blunder
- Accuracy scores for both players
- Import full game history from Chess.com or Lichess
- Paste any PGN or FEN position
- Opening detection with ECO codes
- Works on desktop and mobile — no download required
How to Use
- Paste a PGN from any chess site
- Or import directly from your Chess.com or Lichess account
- Click Review Game to get full move-by-move analysis
- Navigate moves with arrow keys or on-screen controls
Why SacTheRook?
Most chess analyzers require an account or limit your analysis.
SacTheRook gives you full Stockfish-powered game review completely free,
with detailed move classifications and accuracy scores — right in your browser.
Enable JavaScript to use the full interactive chess analyzer.