These images are by Colin M.L. Burnett (Wikipedia user Cburnett).
- Source: https://commons.wikimedia.org/wiki/Category:SVG_chess_pieces
- License: CC BY-SA 3.0
The SVGs are included unmodified. The PNGs are rasterizations of those SVGs and inherit the same license.
These files are licensed separately from the rest of Focalors (which is
GPL-3.0-or-later). See /CREDITS.md at the repository
root for the full attribution.