This page explains how Paul A. Frisoli (USATT# 1881)'s rating went from 1531 to 1523 at the Westford TTC August 2022 Open held on 21 Aug 2022 - 21 Aug 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.