This page explains how Spenser Minh M. Lam (USATT# 25844)'s rating went from 2172 to 2162 at the 2008 Badger Open held on - 21 Sep 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.