--- /dev/null
+taille=64
+convert wn.png -resize "$taille"x"$taille" wn_small.png
+convert wb.png -resize "$taille"x"$taille" wb_small.png
+convert bn.png -resize "$taille"x"$taille" bn_small.png
+convert bb.png -resize "$taille"x"$taille" bb_small.png
+# GIMP: manual fill by color (yellow/red). Then:
+for color in w b; do
+ for piece in r n b q k; do
+ convert -composite -gravity center $color$piece.png "$color"n_small.png $color"$piece"_1.png
+ convert -composite -gravity center $color$piece.png "$color"b_small.png $color"$piece"_2.png
+ done
+done
+# Finally: manual renaming (TODO)