This page explains how Viorel Mihalef (USATT# 78437)'s rating went from 1644 to 1630 at the Princeton Pong Open League event from 20 Oct 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.