This page explains how Yizhong Wang (USATT# 1182368)'s rating went from 1253 to 1215 at the Swan Sunday League event from 5 May 2024. 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.