This page explains how Wayne Griffin (USATT# 203245)'s rating went from 1314 to 1305 at the Provo Ping Pong Lovers event from 31 May 2016. 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.