64Square analyses your whole game, finds the moments that mattered, and explains the ideas in simple, human language — so you can actually improve.
Upload a PGN, or connect your Lichess/Chess.com account. It's free to try.
Just checking one position? Try Position Analysis
Here's a real game with three critical moments. Click a moment to see how 64Square explains it.
64Square goes beyond move-by-move analysis to help you understand, learn and improve.
A clear summary of how you played, with the moments that really changed the game.
Understand the ideas behind the moves — in simple, human language.
Turn your mistakes into training recommendations, tailored to your own games.
Save your games, track your progress and see your recurring strengths and weaknesses.
Tested with players ranging from club level to titled players, with feedback focused on full-game review, critical moments and practical coaching explanations.
Players wanted more than a move score — they wanted to understand how the whole game developed.
Feedback consistently emphasized finding the few moments that actually changed the course of the game.
Players valued explanations they could understand and use in their next game, rather than engine output alone.
Upload a game and see what you can learn today.
No credit card required. Free to try.