This page explains how Norman H. Silver (USATT# 10022)'s rating went from 1780 to 1720 at the Olive Garden New Year's Open held on - 1 Feb 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.