This page explains how Eric Boggan (USATT# 4321)'s rating went from 2489 to 2465 at the 2002 Spintech Open held on - 31 Mar 2002. 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.