This page explains how Dmitry Karagodsky (USATT# 195938)'s rating went from 1478 to 1470 at the Princeton Pong Leagues event from 18 Apr 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.