This page explains how Michael W. Branch (USATT# 60457)'s rating went from 678 to 656 at the NTTC April Open held on - 14 Apr 1996. 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.