This page explains how Ruth Loewy (USATT# 20939)'s rating went from n/a to 717 at the So. FL TTT held on - 4 Nov 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.