This page explains how Reid Greenspan (USATT# 18298)'s rating went from n/a to 827 at the NY Open Circuit - Genesee Vall held on - 7 Nov 1998. 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.