This page explains how Timothy Allen Tonn (USATT# 43128)'s rating went from 1614 to 1586 at the 2006 Spring Open Giant RR held on - 18 Mar 2006. 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.