This page explains how Doyle Harbaugh (USATT# 75353)'s rating went from 1433 to 1451 at the Strongsville Summer Open held on - 21 Aug 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.