This page explains how Arun Sharma (USATT# 89832)'s rating went from 1844 to 1822 at the ICC - Advanced League event from 28 Oct 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.