Free Chess Game Review & PGN Analyzer

Unlimited Chess Game Analysis & Move Accuracy

Welcome to SightChess Game Review: the premier free alternative to commercial chess game review platforms. Upload your PGN or paste your moves to receive full-depth Stockfish analysis, blunder breakdowns, and move accuracy reports without paywalls.

What You Get With SightChess Game Review

  • Move Quality Badges: Identifies Brilliant (!!), Great (!), Best, Excellent, Good, Book, Inaccuracies, Mistakes, Misses, and Blunders (??).
  • Dual Accuracy Scores: Accurate performance percentages for White and Black throughout the entire match.
  • Evaluation Advantage Graph: Interactive swing graph charting advantage changes and tactical swings.
  • Parallel Engine Calculations: 4x parallel Stockfish Web Workers deliver deep, fast evaluations directly in your browser.
  • PGN Upload & Paste: Easy import from Lichess, Chess.com, or custom PGN databases.

Frequently Asked Questions

How can I review my chess game for free?

Paste your PGN text into the input field above and click Load Game. SightChess analyzes every move with Stockfish and displays an interactive accuracy report and move list.

Can I import games from Chess.com or Lichess?

Yes. You can paste any standard PGN exported from Chess.com, Lichess, or PGN databases directly into SightChess for an instant game review.

Are there any daily limits on game reviews?

No. You can review as many chess games as you like with full engine depth at zero cost.