This page explains how Charlie Zhao (USATT# 272395)'s rating went from 1219 to 1223 at the Central Carolinas Super League event from 10 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.