This page explains how Edgar S. S. Galicha (USATT# 32500)'s rating went from 1812 to 1912 at the Schaumburg Christmas Open held on - 18 Dec 2004. 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.