Online Chess Analyzer

Analyze chess games and positions with detailed move-by-move evaluation and statistics

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7,000+

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< 15ms

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100%

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About This Tool

The Online Chess Analyzer is a comprehensive tool for chess players of all levels. Upload PGN files or manually input chess positions to receive detailed analysis including move evaluations, best move suggestions, tactical opportunities, and game statistics. The tool provides visual board representation, move-by-move analysis, and comprehensive game metrics to help improve your chess understanding and performance.

Save your calculation history with a free account

How to Use

Paste your PGN (Portable Game Notation) in the text area or upload a PGN file
Select analysis options (depth, engine strength, analysis type)
Click 'Analyze Game' to process your chess game
View the interactive chess board with move highlights
Review detailed move analysis, statistics, and suggestions
Use the move navigator to step through the game

Frequently Asked Questions

Find Quick Answers

What chess formats does the analyzer support?

The analyzer supports PGN (Portable Game Notation) format, which is the standard format for recording chess games. You can paste PGN text directly or upload .pgn files.

Does the tool require installation of chess software?

No installation is required on your computer. The analysis runs on our servers using advanced chess engines. For optimal performance, our backend uses Stockfish chess engine which requires server-side installation.

Can I analyze positions without a full game?

Yes, you can analyze specific positions by entering the FEN (Forsyth-Edwards Notation) string or by setting up the board manually using the position editor feature.

What analysis depth does the tool provide?

The tool provides configurable analysis depth up to 20 ply (10 moves ahead). Higher depth provides more accurate analysis but takes longer to compute.

Is there a limit to game length?

The analyzer can handle games with up to 200 moves. For longer games, consider analyzing in segments or focusing on critical positions.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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