This page explains how Zixuan Gao (USATT# 270207)'s rating went from 961 to 957 at the Spttc Saturday Night League event from 5 Jun 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.