This page explains how Thor J. J. Truelson (USATT# 27830)'s rating went from 2168 to 2102 at the So. FL US Open Warm Up Tournam held on - 3 Jul 2005. 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.