This page explains how Wayne Griffin (USATT# 203245)'s rating went from 1236 to 1243 at the Provo Ping Pong Lovers event from 12 Jan 2017. 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.