This page explains how Alicia Yu (USATT# 217211)'s rating went from 1901 to 1892 at the Spttc Saturday Night League event from 4 Sep 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.