Cburnett chess-piece artwork
============================

The `pioneer87/` PNG files are rasterized derivatives of the following
Wikimedia Commons SVG originals by Cburnett (User:Cburnett):

White:
- https://commons.wikimedia.org/wiki/File:Chess_plt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_nlt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_blt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_rlt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_qlt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_klt45.svg

Black:
- https://commons.wikimedia.org/wiki/File:Chess_pdt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_ndt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_bdt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_rdt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_qdt45.svg
- https://commons.wikimedia.org/wiki/File:Chess_kdt45.svg

Creator: Cburnett (https://commons.wikimedia.org/wiki/User:Cburnett)
License: Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
License text: https://creativecommons.org/licenses/by-sa/3.0/

The source artwork was retrieved from Wikimedia Commons on 2026-09-10.
The PNG derivatives were prepared for Pioneer Retro Chess at 56x56 pixels
with transparent backgrounds and nearest-neighbor raster reduction for a
crisp late-1980s computer-chess presentation.