This page explains how Neville J Brabrook (USATT# 61823)'s rating went from 1848 to 1797 at the Orlando Winter Open held on - 6 Feb 2000. 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.