This page explains how Long Hoang Le (USATT# 27429)'s rating went from 1687 to 1677 at the Wausau Table Tennis Club event from 25 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.