Screenshot of a chess board as shown on Mastodon. The "Hide image" icon completely obscuring the critical white rook, while the "Alt text" tag is partially obscuring the other white rook.
https://social-coop-media.ams3.cdn.digitaloceanspaces.com/media_attachments/files/111/832/903/948/239/783/original/954137f2834d94b4.png