This page explains how Nimish Jain (USATT# 222485)'s rating went from 623 to 615 at the PTTC Saturday League event from 20 Jul 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.