This page explains how Charlie Zhao (USATT# 272395)'s rating went from 1221 to 1194 at the Central Carolinas Super League event from 31 Mar 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.