This page explains how Annie Zhang (USATT# 1166394)'s rating went from 1836 to 1826 at the Knoxville Gold Dollar Dogwood Open held on 15 Apr 2023 - 15 Apr 2023. 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.