This page explains how Mel A. Starkey (USATT# 31886)'s rating went from 533 to 531 at the Sacramento Winter Open held on - 11 Feb 2006. 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.