How exactly is my rating so much higher than it should be?

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Avatar of StephenN44

I've just started playing chess and I've played only two completed games so far on this website. One was unranked and I had no rating before or after that. The second was ranked against a guy of 614 (I won) and I suddenly have a rating of 1231. I have no idea why. I am nowhere near this good. Can someone please explain to me how this happened exactly? I can assure you I am not a 1200 level player.

Avatar of StephenN44

Thank you.