This page explains how Wilson Werber Bryan (USATT# 43619)'s rating went from 1801 to 1818 at the Columbia December Giant RR held on - 14 Dec 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.