This page explains how Donald Najarian (USATT# 8577)'s rating went from 2012 to 2022 at the 2007 Nashua TTC Open held on - 7 Oct 2007. 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.