SFWA Chess
Single-file web app. All state is encoded in the URL fragment (
#...
).
Copy the URL to share the exact game state.
Turn:
—
—
Halfmove:
—
Fullmove:
—
Undo
Redo
Flip
Copy URL
Moves (UCI)
Moves are stored in the fragment, along with the base FEN and current ply index.
Position
Current FEN (derived from base FEN + moves up to the current ply).
Copy FEN
New Game
Start from FEN
This sets the
base
position and clears the move list. The entire setup is still stored only in
#...
.
Set Base FEN
Clear Selection
Choose promotion
Select the piece to promote to. This choice is stored in the URL.