This page explains how Prashanth Prahlad (USATT# 52333)'s rating went from 1593 to 1565 at the Intermediate League event from 13 Jan 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.