-End of game a bit too verbose: should just say "Black win" ... + show PGN
-Styles must be improved (full width for smartphones, selectable text for PGN...)
+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