Mono — Thibault Duplessis and Colin M. L. Burnett
GPL-2.0-or-later: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html

Mono uses six shared gray silhouettes upstream. Map #888 uniformly to #f4f4f4 for White and #222222 for Black so sides are distinguishable; preserve geometry. Render to transparent 512px PNGs and previews. Adaptations: Chessskins, 2026-09-24, GPL-2.0-or-later.

Source URLs and SHA-256: provenance.json. This archive accompanies the free Chessskins PNG delivery. The artwork remains under its stated license, independently of the application's license.
