This page explains how Shawfe Sung (USATT# 31997)'s rating went from 1630 to 1619 at the Dogwood Arts Festival Open held on - 22 Apr 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.