This page explains how Douglas Yi Li (USATT# 59160)'s rating went from 2043 to 2033 at the NJTTC Monday League event from 15 May 2006. 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.