This page explains how Hiroshi Koshimoto (USATT# 59772)'s rating went from 1421 to 1346 at the Long Beach Table Tennis League event from 10 Feb 2007. 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.