This page explains how Xiangjie Ji (USATT# 222424)'s rating went from 1871 to 1869 at the San Francisco Bay Area CLC event from 8 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.