This page explains how Henry Blankenship (USATT# 4284)'s rating went from 1788 to 1785 at the LVTT Labor Day Open held on - 6 Sep 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.