This page explains how Colette Penell (USATT# 19056)'s rating went from 310 to 304 at the Harlingen Winter RR Open TTT held on - 12 Nov 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.