This page explains how Xiangjie Ji (USATT# 222424)'s rating went from 1863 to 1863 at the PTTC Saturday League event from 20 May 2023. 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.