This page explains how Maria Sirakova (USATT# 219764)'s rating went from 2021 to 2015 at the Experior Club League event from 13 Jul 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.