This page explains how Naomi Yamada (USATT# 1132250)'s rating went from 1221 to 1193 at the Pennsylvania State Closed held on 5 Apr 2024 - 6 Apr 2024. 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.