This page explains how Charlie Zhao (USATT# 272395)'s rating went from 1530 to 1528 at the Central Carolinas Super League event from 27 Apr 2024. 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.