This page explains how Kenneth K. Quarshie (USATT# 69866)'s rating went from 1459 to 1458 at the New Jersey Table Tennis Club June 18 , 2023 Open held on 18 Jun 2023 - 18 Jun 2023. 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.