19 Mar 2022
This page explains how George Yang (USATT# 74240)'s rating went from 1983 to 1968 at the Spttc Saturday Night League event from 19 Mar 2022. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.