This page explains how Coco Luo (USATT# 73148)'s rating went from 1691 to 1661 at the 2008 Aliana Open Championships held on - 10 Aug 2008. 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.