This page explains how Michael Olusola Olugbile (USATT# 57424)'s rating went from 1772 to 1718 at the NY Open Circuit - Walt Stephen held on - 23 Jan 1999. 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.