This page explains how Leonard Coffman (USATT# 31459)'s rating went from 1280 to 1245 at the NJTTC March Open held on - 12 Mar 2000. 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.