This page explains how Mark R. Wampler (USATT# 10916)'s rating went from 2063 to 2047 at the 2007 Dothan Alabama Open held on - 24 Mar 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.