Tilt Mirror

The recurring psychological patterns in your own chess games — time panic, tilt after a loss, session fatigue, ego losses. Runs entirely in your browser, with your own API key.

Your games

Needed either way — it's how the analysis knows which side of the board is you.

Leave the dates blank to pull everything. Chess.com's public API is free and needs no login.

Your LLM

Your key stays in this browser and is sent only to the provider you choose. Use a spend-limited, revocable key. “Remember” uses session storage and clears when the tab closes.

Steer it optional

Run

Off by default. Loads a chess engine into your browser the first time, then checks a handful of rule-picked positions. Slower, and the only thing that lets the report call a move a blunder rather than just describing material.

Load your games to begin.

Report

Your report will appear here.

Every fact in it — the games, results, links, and collapse moves — is computed from your PGNs by code. The language model only writes the commentary on top.