This page explains how Xiangjie Ji (USATT# 222424)'s rating went from 1736 to 1729 at the PTTC Saturday League event from 5 Jan 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.