This page explains how Naomi Yamada (USATT# 1132250)'s rating went from 659 to 624 at the 2022 February Open @ Princeton Pong held on 5 Feb 2022 - 6 Feb 2022. 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.