Free Chrome Extension

Analyze your games.
Instantly.

Finish a game on Chess.com and jump straight into Chesskit analysis with one click — no tabs, no searching, no copy-pasting. Automatic.

Install Extension View on GitHub
chess.com/game/166262981018
① Chess.com — click the blue button
Chess.com result modal with Analyze in Chesskit button
② Chesskit — game auto-loaded & analyzed
Chesskit with game automatically loaded and analyzed
How it works
Three seconds. Zero friction.
01
♟
Finish your game
Play on Chess.com as usual. The extension runs silently in the background.
02
🔵
Click the blue button
When the result screen appears, a new "Analyze in Chesskit" button shows up alongside the usual options.
03
⚡
Auto-loaded & ready
Chesskit opens in a new tab with your latest game already selected. Click Analyze and you're in.
Features
Built for speed.
🎯
Zero configuration
Auto-detects your Chess.com username from the page. No accounts, no API keys.
⚡
Instant redirect
Opens Chesskit, fills your username, and selects the latest game automatically. Saves ~30 seconds every game.
🔒
Privacy first
No data sent anywhere. Your username is stored locally in Chrome only.
🆓
Completely free
Open source, MIT licensed. No ads, no tracking, no premium tier.
Installation
Up and running in 60 seconds.
1
⬇ Download chesskit-extension.zip From the GitHub Releases page — then unzip the folder
2
Open Chrome and navigate to chrome://extensions/
3
Enable Developer mode using the top-right toggle
4
Click Load unpacked and select the unzipped folder
5
Play a game on Chess.com — the blue button appears when it ends ✓