Grey Wollman
USATT#: 221500
1683 1712
2021 Butterfly Sandhills Open
7 May 2021 - 9 May 2021
7 May 2021 - 9 May 2021
This page explains how Grey Wollman (USATT# 221500)'s rating went from 1683 to 1712 at the 2021 Butterfly Sandhills Open held on 7 May 2021 - 9 May 2021. 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.