WHAT IT DOES

What does it do?

A backend-free analyzer that runs multiple Stockfish engines in parallel in browser Web Workers. It converts engine scores into win probabilities, classifies blunders and mistakes, and uses attack graphs and ray casting to find specific tactical patterns. Analysis results are stored in the browser's localStorage.

KEY FEATURES

Key features

• Analyze PGN chess games
• Run WebAssembly Stockfish workers in parallel
• Classify move quality and detect tactical patterns
• Convert engine scores into win probabilities
• Generate human-readable explanations of analysis results
• Cache analysis results in localStorage