Richard L. L. Chang
USATT#: 11577
1134 1109
2017 SPTTC February Open
18 Feb 2017 - 18 Feb 2017
18 Feb 2017 - 18 Feb 2017
This page explains how Richard L. L. Chang (USATT# 11577)'s rating went from 1134 to 1109 at the 2017 SPTTC February Open held on 18 Feb 2017 - 18 Feb 2017. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.