This page explains how Daniel Notestein (USATT# 20779)'s rating went from 1667 to 1663 at the Butterfly East Gate TT Tour. S held on - 12 Jan 2008. 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.