This page explains how Hiroshi Koshimoto (USATT# 59772)'s rating went from 1442 to 1421 at the Long Beach Table Tennis League event from 9 Apr 2005. 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.