This page explains how Cameron Luo (USATT# 27961)'s rating went from 1819 to 1801 at the 23rd Annual Bernard Hock Open held on - 12 Oct 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.