This page explains how John Tannehill (USATT# 10466)'s rating went from 2303 to 2274 at the Arnold TT Championsips held on - 6 Mar 2011. 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.