This page explains how Prasiddha Parthsarthy (USATT# 86178)'s rating went from 2257 to 2245 at the Princeton Pong Open League event from 29 Dec 2015. 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.