30 May 2019 - 30 May 2019
This page explains how George Yang (USATT# 74240)'s rating went from 1951 to 1933 at the 2019 Meiklejohn North American Seniors Open held on 30 May 2019 - 30 May 2019. 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.