This page explains how Paul David (USATT# 7014)'s rating went from 2453 to 2451 at the NJTTC April Open II held on - 25 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.