This page explains how James G. Spetsios (USATT# 10193)'s rating went from 1589 to 1588 at the Akron Rubber City Open Tournam held on - 22 Nov 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.