This page explains how Cliff Demartini (USATT# 22383)'s rating went from 988 to 930 at the Newgy US Open Warm-Up held on - 29 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.