This page explains how Dmitry Karagodsky (USATT# 195938)'s rating went from 1580 to 1552 at the Princeton Pong Open League event from 12 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.