This page explains how Anil Ramappa (USATT# 78702)'s rating went from 1530 to 1531 at the ICC - Advanced League event from 7 Feb 2011. 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.