This page explains how Harry L. Nelson (USATT# 8628)'s rating went from 1576 to 1576 at the 23rd Annual Golden State Open held on - 25 May 1997. 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.