This page explains how Dongfang Li (USATT# 256700)'s rating went from 1793 to 1753 at the San Francisco Bay Area CLC event from 4 Dec 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.