This page explains how Calvin Tinhang Chan (USATT# 73906)'s rating went from 1525 to 1508 at the West Jersey Table Tennis Club League event from 20 Aug 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.