This page explains how Mike Babuin (USATT# 1973)'s rating went from 1693 to 1680 at the Middlecreek August Open held on - 11 Aug 2007. 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.