This page explains how Daryl Sterling (USATT# 34953)'s rating went from 1641 to 1630 at the LATTA Open held on - 6 Dec 2009. 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.