This page explains how Yuzhang Gao (USATT# 93176)'s rating went from 2061 to 2039 at the Swan Sunday League event from 20 May 2018. 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.