This page explains how Kareem Olugbenga (USATT# 56727)'s rating went from 1690 to 1642 at the 2008 Life Open held on - 22 Jun 2008. 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.