This page explains how Mike Babuin (USATT# 1973)'s rating went from 1642 to 1630 at the Middle Creek Mini-Circuit Open held on - 26 Aug 2006. 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.