A Claude-powered chess coach uses Stockfish to stay accurate
An chess review tool lets people talk with Claude about their games. Claude does not create the chess advice by itself. The tool grounds its answers in real analysis from Stockfish, a chess engine, so it can answer questions like “why was this move bad?” or “what should I have played here?” using actual engine lines.
It also learns the kinds of mistakes the player repeats and turns them into plain-English coaching. It works with a normal and does not require separate . It can also run as an inside Claude Code for people who prefer using it from the terminal.
The tool is still early and is looking for feedback.
Key points
- The tool gives conversational chess review through Claude.
- Stockfish supplies the real chess analysis behind the answers.
- It learns repeated mistake patterns and turns them into coaching.
- It only needs a , not separate .
- It can run inside Claude Code as an .