Need a chess diagram? Board editor and diagram maker
Set up any position from the piece tray, then download it as an image for a post, a worksheet or a book, or copy its FEN.
Drag pieces from the tray, or tap one and then tap squares. Right-click and drag for arrows; right-click a square to mark it.
Export
Board colors
Image size
FEN
Opens the blunder check: drag a move and Stockfish grades it.
About the pieces
The pieces are Colin M.L. Burnett's drawings, the set Wikipedia uses for its chess diagrams, licensed CC BY-SA 3.0. Credit him if you publish a diagram. Wikimedia Commons
Questions
How do I make a chess diagram?
Set up the position, pick a board color and a size, then press Download PNG, or Copy image to paste it straight into a post. Right-click and drag on the board to draw arrows, and right-click a square to mark it: both appear in the image.
How do I set up a position?
Drag pieces from the tray beside the board, or tap a piece in the tray and then tap squares. Drag a piece off the board to remove it, or pick the eraser and tap it. Start and Clear reset the board.
How do I get the FEN of a position?
Build the position and choose who's to move. The FEN in the Export panel updates as you go, and Copy puts it on your clipboard. Paste a FEN there to load a position.
Can I use the diagrams in my own posts or books?
Yes. The pieces are Colin M.L. Burnett's drawings, licensed CC BY-SA 3.0, so credit him where you publish. The small kingchess.io credit under the board is optional: untick it to leave it out.
Can I check a move in my position?
Yes. Check a move from this position opens the blunder check with it. Drag a move there and Stockfish grades it, and Coach Bjorn explains the tactic when there is one.
Why can't I check a move from my position?
It has to be a position that can happen in a game: one king each, no pawns on the first or last rank, and the side that just moved can't be in check. The line under the link says what's wrong.
Does it work on a phone?
Yes. The tray sits under the board: tap a piece, then tap the squares to place it. Arrows and marks need a mouse.
Coach Bjorn
Built a position from one of your games? I'll review your latest game free. Type your username and pick your site.