This tool helps you analyze chess positions and get professional evaluations using Stockfish, right within Claude! You can:

• Get position evaluations
• See visual board representations
• Analyze different moves and variations
• Look up positions in the masters database (games played by 2200+ rated players)

Using the Chess Assistant

1. Open Claude Desktop.
2. Look for the tools icon (🔧) - it should show chess analysis tools.
3. Try these example prompts:
   • "Analyze this position: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
   • "Show me the current position"
   • "What's the best move in this position?"
   • "Look up this position in the masters database"
   • "Show me master games from this position after 2000"
   • "What are the most common moves played by masters in this position?"

Features

Position Analysis

• Engine evaluation using Stockfish
• Visual board representation
• Best move suggestions
• Move validation

Masters Database

• Search positions in games played by 2200+ rated players
• Filter games by date range
• See win/draw statistics
• View most common moves with success rates
• Browse recent master games with player ratings

Need Help?

If you run into any issues:

1. Make sure all requirements are installed correctly.
2. Verify Stockfish is accessible from your command line.
3. Check that all paths in your Claude Desktop configuration are correct.
4. Restart Claude Desktop after making any changes.

Common Issues

• "Tools not showing up in Claude": Make sure you've configured Claude Desktop correctly.
• "Stockfish not found": Verify Stockfish is installed and accessible from the command line.
• "Node version error": Make sure you have Node.js version 20 or higher installed.
• "Canvas installation failed": Make sure Cairo is installed correctly for your operating system.