This page explains how Prashanth Prahlad (USATT# 52333)'s rating went from 1589 to 1548 at the Intermediate League event from 21 Jul 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.