This page explains how Korim (Robel) Ahmed (USATT# 198975)'s rating went from 1070 to 1030 at the Pong Club - South Austin event from 28 Jan 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.