This page explains how Aria Shi (USATT# 222815)'s rating went from 1270 to 1266 at the Princeton Pong Leagues event from 7 Jan 2020. 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.