This page explains how Emmanuel K. Amankrah (USATT# 20261)'s rating went from 1469 to 1397 at the Cary Open Giant RR Jamboree held on - 17 Apr 2004. 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.