This page explains how Omprakash Kuppurajah (USATT# 30868)'s rating went from 1917 to 1914 at the Chicago Table Tennis League Week 2 held on 16 Jan 2017 - 20 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.