This page explains how Drea Chakravorty (USATT# 265129)'s rating went from 1247 to 1290 at the LYTTC Friday Pro League event from 9 Aug 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.