This page explains how Jing Yuan (USATT# 927761)'s rating went from 1208 to 1198 at the PTTC Saturday League event from 29 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.