Why did my Elo rating for the chess puzzle drop from 4500 to 400?

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Why did my Elo rating for the chess puzzle drop from 4500 to 400?

Avatar of Martin_Stahl
yaosicheng wrote:

Why did my Elo rating for the chess puzzle drop from 4500 to 400?

You would need to contact Support directly using the option in the menu to ask about that.