This page explains how Sajan Alapat (USATT# 85970)'s rating went from 1900 to 1871 at the LYTTC Friday Pro League event from 5 May 2017. 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.