This page explains how Ihsan Simms (USATT# 221693)'s rating went from 848 to 816 at the Pong Club - South Austin event from 23 Nov 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.