This page explains how Narasimhan Ramakrishnan (USATT# 25608)'s rating went from 1898 to 1969 at the Princeton Pong Leagues event from 19 Feb 2019. 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.