This page explains how Glen Randmer (USATT# 34796)'s rating went from 1366 to 1330 at the 2007 Spinnathon Open held on - 27 May 2007. 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.