This page explains how Leonard Coffman (USATT# 31459)'s rating went from 1245 to 1240 at the NJTTC April Open held on - 2 Apr 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.