This page explains how Sarah Shuangxia Zhu (USATT# 268233)'s rating went from 1326 to 1318 at the Swan Sunday League event from 14 Aug 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.