This page explains how Jeffrey Liu (USATT# 89868)'s rating went from 1679 to 1686 at the Princeton Pong 2015 Summer Open held on - 14 Jun 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.