This page explains how Richard Luo (USATT# 25105)'s rating went from 1710 to 1704 at the San Francisco Summer Open held on - 21 Aug 2005. 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.