This page explains how Hau Lam (USATT# 37020)'s rating went from 2229 to 2227 at the Paddle Palace Beaverton Super League event from 1 Aug 2014. 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.