ArslanovChess UI on chess.cFree Chess om & lichess by Максим

Analyze your chess games from Chess.com and Lichess in one click.

This extension adds convenient buttons directly on Chess.com and Lichess, allowing you to instantly send any game to the powerful analysis tool on arslanovchess.com — no PGN copying required.

Fast, powerful, and completely free chess analysis

With one click, you get access to a full-featured chess analysis engine that helps you understand every move in your game:

Detect blunders, mistakes, and inaccuracies
Find brilliant and great moves
Calculate accuracy and centipawn loss
See best moves and better alternatives
Get clear pros/cons and comments for every move
View a game graph with evaluation changes

All analysis is performed extremely fast, so you can review games immediately after playing.

Go beyond standard chess analysis

Unlike built-in tools, this analyzer gives deeper and more flexible insights:

Choose between different engines
Use a cloud engine for fast and high-quality analysis even on low-end devices
Re-analyze any move with deeper calculation
Instantly update:
evaluation
accuracy
centipawn loss
performance rating
graph
Advanced features (with subscription)

Unlock additional insights powered by advanced algorithms:

AI-based player rating estimation
Position sharpness analysis
Detection of brilliant, “diamond”, trilliant, and adventurous moves
Analyze any chess game

You are not limited to Chess.com or Lichess.

You can:

Paste any PGN
Upload a PGN file
Analyze games from any platform or over-the-board play
Why use this extension?
One-click import from Chess.com and Lichess
No manual PGN copy/paste
Faster workflow
More detailed analysis than standard tools
Works on desktop and mobile (via cloud engine)
Keywords

chess analysis, chess.com analysis, lichess analysis, analyze chess games, chess game review, chess blunders, brilliant moves, chess accuracy, centipawn loss, PGN analysis, chess engine