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Choose your username

This is the name other players will see across the board.

3 to 25 characters, English letters and numbers.

Daily Puzzle

Live Top Games

Leaderboard

Bronze
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Elo
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Practice

Blindfold chess is not a harder kind of calculation — it is the board itself, held in the head, and the six groups below build it in order.
Nothing here touches your rating; the line under them says where you stand and what is worth trying next.

0Day streak
0Answered
—Accuracy

Board Practices

Real positions, and one question: what is the best move? The openings ask for a decision — development, safety, the centre — and the middlegames ask you to find the move that decides the game. Both are checked by Stockfish before they ever reach you, and both explain themselves afterwards.

How to Play Blindfold Chess

Settings

These preferences carry across every game.

Sound Move, capture and check tones. Turn it off and the game plays in silence.
ON

Open Rooms

Take a seat at someone else's game, or set up your own.

Choose Your Vision

How much of the board are you willing to give up?

♚
BLINDFOLD Every piece hidden, yours and theirs. Follow the game through notation alone.
TWO WAYS TO PLAY →
Please Select

Please Select

Locked in for the whole game — pick carefully.

Your room is on the list — the first person to take a seat plays you. Press Finding an Opponent again to call it off.

Blindfold Console

WHITE
BLACK

Standard notation: e4 · Nf3 · exd5 · O-O · e8=Q — or plain squares, e2e4.

WHITE10:00
BLACK10:00

Promotion

Your pawn has reached the last rank. Choose its new form.

Connect Sign-In

Accounts need a Supabase project and a hosted address — a provider will not redirect back to a file on disk. Five steps:

  1. Create a free project at supabase.com.
  2. Open the SQL editor and run supabase-setup.sql, then supabase-social.sql (both next to this file).
  3. Authentication → Providers → enable Email, and Google, Apple and Facebook with each company's OAuth client.
  4. Paste your project URL and publishable key into SUPABASE_URL and SUPABASE_ANON_KEY near the top of this file's script.
  5. Host it (a Render Static Site works) and add that https address to Supabase's redirect allow-list.

Leave This Game?

Vision, opponent and colour are fixed once a game begins, so returning to the menu abandons this position.

Resign?

This hands your opponent the win. There is no taking it back.

Draw Offered

Finding an Opponent

Connecting…

Game:
Time:

Notifications

A friend challenged you

Friend Link

Send this link to anyone, and they will become your friend when they join Nox Chess.

Send Email Invite

We'll email your friend link. Whoever opens it becomes your friend when they join Nox Chess.

Friend Link

Coordinate Trainer
Start at level 1 —
Session length:

Practice Complete

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