Not sure if I've correctly understood your question, but those numbers mean this:
15|10 : 15 minutes for the entire game in your clock and plus 10 seconds per move done.
5|5: 5 minutes for the game and plus 5 seconds per move.
And so.
explication pendule Blitz
Sort:
Pour le Blitz à quoi correspondent les pendules 15/10 5/5 3/1 2/1
Merci