This page explains how Xiang Jing Zhang (USATT# 89338)'s rating went from 2642 to 2644 at the Glendale Friendship Games held on 26 Oct 2019 - 26 Oct 2019. 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.