This page explains how Doyle Harbaugh (USATT# 75353)'s rating went from 1367 to 1334 at the Macy Block Open held on - 19 Jun 2010. 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.