This page explains how Randy Spizer (USATT# 146221)'s rating went from 1206 to 1231 at the Long Beach Table Tennis League event from 29 Apr 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.