-Beautify styles
-Translations ? (probably not)
-Fill some puzzles: http://www.logicmazes.com/games/puz1to4.html
+Checkered1 & 2 --> avec switch, coup roi sur roi.
+Chakart
+
+Add problems
+https://www.janko.at/Retros/Glossary/Dynamo.htm
+https://www.janko.at/Retros/Problemkiste/N1995-04.htm#3718