This page explains how Tanish Balamurugan (USATT# 230805)'s rating went from 54 to 53 at the ICC - Sunday Beginners League event from 16 Dec 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.