This page explains how Howard P. Grossman (USATT# 6295)'s rating went from 2068 to 2048 at the Pacific Coast Open held on - 24 Aug 2003. 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.