This page explains how Kevin Pho (USATT# 63854)'s rating went from 1622 to 1610 at the NTTC Summer League event from 5 Aug 2008. 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.