This page explains how Drea Chakravorty (USATT# 265129)'s rating went from 1253 to 1247 at the LYTTC Friday Pro League event from 26 Jul 2019. 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.