This page explains how Allan Alva (USATT# 32583)'s rating went from 2283 to 2254 at the Eastern Open on the 2008 JOOLA held on - 25 May 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.