This page explains how Gerard J. Schreuders (USATT# 50104)'s rating went from 1755 to 1727 at the Harold Wheeler Memorial Giant held on - 24 Feb 2001. 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.