This page explains how Harry Bloom (USATT# 13836)'s rating went from 1471 to 1367 at the Meiklejohn North American Seni held on - 8 Jun 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.