This page explains how Danuta M. Andrzejewska (USATT# 58353)'s rating went from 1821 to 1811 at the So. Florida One Day Open held on - 20 May 2007. 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.