3D Staunton pieces and board images by James Clarke (clarkerubber).
Source: https://github.com/clarkerubber/Staunton-Pieces
License: MIT, copyright (c) 2014 clarkerubber.
Original PNG files are used without modification; board display colors use CSS overlays.
Full license: /pieces/LICENSE.txt

Berxwedan Vector pieces are original SVG silhouettes created for this project.
They are included with the project source and do not require a third-party asset license.

Zagros Metal pieces are an original Berxwedan Chess color and finish variant.

Sîpan · Bihêz is an original flat 2D tournament-style piece set created for Berxwedan Chess.