This page explains how Carlough Francis (USATT# 264662)'s rating went from 1201 to 1621 at the Mastiff Table Tennis Club event from 17 Jul 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.