This page explains how Qiwen Zhao (USATT# 154754)'s rating went from 1054 to 1032 at the Swan Sunday League event from 29 Apr 2023. 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.