This page explains how James Edmond (USATT# 12114)'s rating went from 1291 to 1283 at the Dayton Giant RR Open held on - 3 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.