+Game.vue: detecter coups invalides ? --> ou au moins le tour : move.mine = true/false
+
PROBABLY WON'T FIX:
Embedded rules language not updated when language is set (in Analyse, Game and Problems)
If new live game starts in background, "new game" notify OK but not first move.
The idea is that everytime you move a piece, that piece changes in value
each piece transformation has an equally likely chance of happening
--> retrouver ref chessvariants, la mentionner, et de-randomizer
+
+Recycle: pions posés sur 1ere rangée !
+Teleport: pawns falling on rank 8?!