This page explains how Edward Zhang (USATT# 1172446)'s rating went from 1239 to 1252 at the 2022 Butterfly Fall Cary Cup held on 13 Oct 2022 - 16 Oct 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.