This page explains how Charlie Zhao (USATT# 272395)'s rating went from 1257 to 1226 at the Central Carolinas Super League event from 15 Sep 2022. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.