This page explains how Mark Malench (USATT# 64047)'s rating went from 1332 to 1290 at the NTTC Feb Open held on - 18 Feb 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.