client/public/images/pieces/SOURCE

   1 SVG standard images found on chesstempo website:
   2 https://www4.chesstempo.com/images/pieces/svg/merida/whitepawn.vers1.svg (...)
   3 + Adaptation for checkered pieces
   4 Some fairy pieces found on the web and icon scout: https://iconscout.com/
   5 PNG images for Eightpieces from https://greenchess.net/index.php and Jeff Kubach design.