You can save positions either in the Game Editors found on the left (or top) links or after creating your set-up for a game. As far as I know, you can save as many as you want and can call them whatever you like. Instead of creating a new set-up for the next game, you can load your previously saved position and either leave it as is or make changes to it (and re-save it, if you like).
(Cacher) Si vous attendez que ce soit à vous de jouer, cliquez sur "changer" à côté du "rafraîchissement" sur la page principale, puis réglez le rafraîchissement de la page sur 30 secondes pour que votre tour de jouer apparaisse pplus vite. (Servant) (Montrer toutes les astuces)