This page explains how Jeannie Shuqin Shi (USATT# 1165607)'s rating went from 1967 to 1920 at the Huntsman World Senior Games 2021 held on 4 Oct 2021 - 7 Oct 2021. 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.