Fix duplicate elite listings after a change of username
I recently changed my username from @jrward to @jamesward. I now appear in the Elite list twice – the older username ranking higher than the new one.
It would be great if you could build in a way of 'claiming' an old account and transferring its grade.
Also, right now it doesn't look great to appear twice in the listing.

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sketchstudios commented
Totally agree, Not to mention it can exploit Twitter.Grader.com rankings if someone was high enough on the chart with enough leverage room (score wise) they could essentially change their name, come back to twitter.grader.com -- recheck in, and have a duplicate of themselves in the spot they were in and move their "old" account down a notch. This could be done over and over again until they fill in all the slots in the elite list from where they were on down. Yikes!