Chess Comfort — build and practise your chess opening trees

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Arrows on the board Show the moves in my tree as arrows

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Opening Starting position

…

Type a move instead

Your move

Survival

Puzzles start very easy and get harder with every one you solve. You have 3 lives. How far can you go?

Solved0

Lives♥♥♥

Level400

Best0

Press start when you are ready.

Puzzles from the Lichess puzzle database (CC0).

Your opening trees

New opening tree

Name

You play with White Black

Start from

Getting started

Tree map

Moves in your tree from here

More tools

Rename

Load your recent Lichess games and see where they leave your tree.

Your Lichess username

We only read your public games (up to 50). Your username goes to Lichess, nothing else.

Welcome to Chess Comfort

Learn your chess openings at your own pace, without the noise.

Build your opening tree: the moves you want to play.
Practise it until it sticks. We bring back what you forget.
Check it with Stockfish and your real Lichess games.

Just want to solve puzzles?

Premium Terms · Refunds · Privacy · hello@chesscomfort.com · Chess pieces by Cburnett (Wikimedia Commons), CC BY-SA 3.0. Opening names from lichess-org/chess-openings (CC0). Analysis by Stockfish 19 (GPL-3.0, source on GitHub) and Lichess cloud evaluations.