This page explains how Ananda Krishnan (USATT# 82236)'s rating went from 2171 to 2169 at the Swan Sunday League event from 12 Nov 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.