This page explains how Eric Boggan (USATT# 4321)'s rating went from 2511 to 2492 at the Butterfly Thanksgiving Team Championships held on - 25 Nov 2012. 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.