This page explains how Long Hoang Le (USATT# 27429)'s rating went from 1674 to 1666 at the Wausau Table Tennis Club event from 7 Feb 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.