-Full detection of repeated positions (including turn)
-Debug HalfChess
-Implement UltimaChess
+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