This page explains how Mitesh Shah (USATT# 1157626)'s rating went from 1630 to 1621 at the LYTTC Friday Pro League event from 1 Feb 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.