This page explains how Stephen Clyde (USATT# 69559)'s rating went from 2183 to 2191 at the 2009 Indy Giant RR & Two Man T held on - 7 Jun 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.