+//TODO: list problems as FEN (quickly rendered), by date, with possible filtering per variant(?)
+//click on a problem ==> land on variant page with mode==friend, FEN prefilled... ok
+
+// get 10 first problems, and buttons next<>previous send date + "before" or "after"
+// need database: sqlite !
+
+// form "new problem" fen(position/turn/flags[guess]), instructions, solution (mandatory)
+// ==> upload on server in sandbox
+//
+// Atomic rules, atomic game, atomic problems(list drawn position
+// + summary(first chars of instructions) + timedate)... one big Vue ? with components
+//
+// click on problem ==> masque problems, affiche game tab, launch new game Friend with
+// FEN + turn + flags + rappel instructions / solution on click sous l'échiquier