StackWorks

Names above/below the board (online & PGN games)

Framed shows the full board; Playable area crops to the squares

Column letters and row numbers

Lowercase letters on bottom row; numbers on left column

Rotate the board 180°

Shows translucent squares on the board after each move

Classic bordered squares or Modern full-square highlights

Off, Classic rings, Classic square highlights, or Modern selected-square, dot, and ring previews

When Move preview is Off, use a Classic ring, Classic square, or Modern selected-square highlight

Shows candidate destinations while selecting a piece.

Classic capture previews or Modern selected-square, dot, and ring previews

Classic bordered analysis squares or Modern full-square analysis fills

Renders 8×8 games on a chess-style square grid

On-screen turn and status popups

Plays subtle sounds for moves/captures

Online Create logs a join link in the browser console (F12). To Join/Spectate/Rejoin, use the Lobby list.

Uses cookie sessions on the multiplayer server (port 8788). This panel is for testing MP4C auth; it does not change seat tokens or online authority rules yet.

Set a side to a bot to auto-play that color.