-Finish showProblem() in components/problemSummary.js (send event with infos, and pass message to game component)
-Add new mode in game component: "problem", in which we show description + hidden solution (reveal on click)
+Chakart :)
+Checkered1 & 2 --> avec switch, coup roi sur roi.
+Ambiguous chess
+https://www.chessvariants.com/mvopponent.dir/ambiguous-chess.html
+[Sittuyin (burmese chess) --> probably not]