Get fast, in-depth chess game analysis with no paywalls or login required. Upload a PGN or enter your Chess.com/Lichess username to instantly detect blunders and compare every move to the engine's best choices.
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Chess analysis board provides comprehensive game evaluation powered by latest version Stockfish, one of the world's strongest chess engines. Whether you're analyzing your own games or studying grandmaster games, our tool offers detailed insights into every move.
The analysis board features an interactive evaluation graph that visualizes position advantages throughout the game, move-by-move classification (identifying brilliant moves, blunders, mistakes, and inaccuracies), and player rating estimates based on game performance. You can upload PGN files directly or import games from Chess.com and Lichess accounts.
Each analysis includes opening identification, phase-by-phase performance breakdowns (opening, middlegame, endgame), and engine suggestions for improvement. The tool is completely free to use, requires no login, and runs entirely in your browser for maximum privacy and convenience.
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