This page explains how Nelson Smith (USATT# 60746)'s rating went from 1507 to 1457 at the NTTC January Open held on - 22 Jan 1995. 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.