This page explains how Samuel Mark Smith (USATT# 43687)'s rating went from 2189 to 2157 at the Houston Lunar New Year TT Tour held on - 24 Feb 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.