This page explains how Oishik Mukherjee (USATT# 216430)'s rating went from 1593 to 1572 at the LYTTC Friday Pro League event from 25 May 2018. 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.