This page explains how Carmen Yu (USATT# 217532)'s rating went from 1973 to 1994 at the 2022 PA State Championships held on 29 Apr 2022 - 30 Apr 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.