David Roberts
USATT#: 55604
2221 2139
2018 SPTTC May Open
19 May 2018 - 19 May 2018
19 May 2018 - 19 May 2018
This page explains how David Roberts (USATT# 55604)'s rating went from 2221 to 2139 at the 2018 SPTTC May Open held on 19 May 2018 - 19 May 2018. 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.