This page explains how Narasimhan Ramakrishnan (USATT# 25608)'s rating went from 1998 to 1953 at the Experior Club League event from 5 Oct 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.