This page explains how Carlough Francis (USATT# 264662)'s rating went from 1658 to 1663 at the Mastiff Table Tennis Club event from 18 Sep 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.