One real game. Free.
Type your Chess.com or Lichess username. We open one of your games and mark the slips — what you played, the move that was there, and why. No account until you want to train it.
No account yet. You see the game first.
Enter the username
Chess.com or Lichess. One public handle. No password.
See the move that cost you
What you played, the move that was there, and why the eval swung.
Train it until it sticks
The same pattern, from your games, until you play it clean.
You train the mistake that keeps showing up in your own games. A random puzzle has no idea which one that is.
Once you've got a pattern, we drop it. The next session is the leak that is still costing you rating.
Public games only. Your password never leaves Chess.com or Lichess.
The first game is free. You see the move before you create an account.
No. Public games only. We never ask for your Chess.com or Lichess password.
Yes. Use the Lichess toggle, or paste a PGN if you don’t know the handle.
We look at about 10 of your recent public games and open the latest loss. If there is no recent loss, we open the newest public game.
No public Chess.com player with that handle. No public Lichess player with that handle.
No recent games found for that username.
Chess.com is asking us to slow down. Wait a minute and try again. Lichess is asking us to slow down. Wait a minute and try again.
That PGN didn’t include a game. That PGN couldn’t be read. Check that it’s a valid game. We found games, but couldn’t read one clearly. Try again.