Cburnett chess piece SVGs
Author: Colin M. L. Burnett
License: GNU General Public License, version 2 or later (GPL-2.0-or-later)
Source: https://github.com/lichess-org/lila/tree/master/public/piece/cburnett
License declaration: https://github.com/lichess-org/lila/blob/master/COPYING.md
SVG files downloaded unmodified from the Lichess repository.