This page explains how Si-Dung Lam (USATT# 65505)'s rating went from 1606 to 1618 at the 2009 DFWTT Fall Open held on - 14 Nov 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.