This page explains how Robert B Carra (USATT# 28667)'s rating went from 2153 to 2122 at the Clearwater Category 5 Golden Fall Open held on - 9 Nov 2013. 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.