This page explains how Nikhil Kumar (USATT# 84326)'s rating went from 1659 to 1650 at the ICC - Advanced League event from 8 Oct 2012. 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.