This page explains how Arthur Lopez (USATT# 216497)'s rating went from 1897 to 1980 at the 16th Si & Patty Wasserman Junior & Open Championships held on 11 Nov 2022 - 13 Nov 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.