This page explains how Ashwin Manur (USATT# 90817)'s rating went from 1661 to 1638 at the LYTTC Friday Pro League event from 17 May 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.