-Depth 2 or 3 depending on variant and if we detect smartphone or not?
-(static get SEARCH_DEPTH() { return 2; })
-Sur page d'accueil lien "contact" avec mail + instrus en cas de bug
+(But it's really just for Magnetic chess)
+setInterval "CRON" task in sockets.js to check connected clients
+(every 1hour maybe, or more)