This page explains how Paul A. Frisoli (USATT# 1881)'s rating went from 1537 to 1531 at the 2008 Galina Cup Championship held on - 14 Dec 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.