This page explains how Shuang Yu (USATT# 220833)'s rating went from 2115 to 2143 at the Spttc Saturday Night League event from 3 Apr 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.