1 Jun 2019 - 1 Jun 2019
This page explains how Cheery Zhang (USATT# 218008)'s rating went from 1413 to 1373 at the PPC Rose City Open held on 1 Jun 2019 - 1 Jun 2019. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.