This page explains how Caillou J. Chen (USATT# 270341)'s rating went from 1940 to 1929 at the 2022 US Nationals Team Trials held on 25 Jun 2022 - 1 Jul 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.