Your chess, made clear

Every game has a lesson.

Import completed Chess.com and Lichess games, replay every move, test ideas on the board, and train the patterns that keep returning.

Private by designOnly you can see your games and training history.

Getting started

Create an account

Your games come next, from Chess.com or Lichess.

or with email

Email

Password

Type it again

At least 12 characters. You will accept the terms on the next screen.

Blunderbase reads completed games only. It never sees your chess password.

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