Mark Pierotti
USATT#: 95515
1156 1150
2019 TT&M Spooky Open
3 Nov 2019 - 3 Nov 2019
3 Nov 2019 - 3 Nov 2019
This page explains how Mark Pierotti (USATT# 95515)'s rating went from 1156 to 1150 at the 2019 TT&M Spooky Open held on 3 Nov 2019 - 3 Nov 2019. 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.