This page explains how Michael Li (USATT# 73467)'s rating went from 1636 to 1625 at the Club JOOLA June Open held on - 14 Jun 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.