This page explains how Randy Spizer (USATT# 146221)'s rating went from 1373 to 1367 at the Long Beach Table Tennis League event from 1 Oct 2015. 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.