This page explains how Daniel Notestein (USATT# 20779)'s rating went from 1692 to 1672 at the Butterfly East Gate TT Tour. S held on - 10 Nov 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.