This page explains how Carlough Francis (USATT# 264662)'s rating went from 1621 to 1658 at the Mastiff Table Tennis Club event from 21 Aug 2021. 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.