Why ask here? This is an old thread on a completely separate subject. (Did you notice that?)
Was this the game? It says that you abandoned the game.
If you disconnected and couldn't reconnect in time, that's just one of those things that happens. 3 minutes is a fairly long period of time these days. Blitz players have only 1 minute to reconnect.
At any rate, if you contact the staff now, there is nothing that will be done.
In the future, if you want staff to respond to some recent problem, write them an email using the Contact form on the Help page.
https://support.chess.com/customer/portal/emails/new
How to complain