This page explains how Joe Sugawara (USATT# 201852)'s rating went from 1366 to 1305 at the Westford TTC December 2022 Open held on 4 Dec 2022 - 4 Dec 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.