This page explains how Keith Pech (USATT# 32336)'s rating went from 2067 to 2058 at the Macy Block OH Closed Champions held on - 16 May 2009. 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.