This page explains how James Yang (USATT# 271489)'s rating went from 1639 to 1643 at the Matchpoint TTC Friday League event from 9 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.