2 Oct 2022 - 2 Oct 2022
This page explains how Richard A. Dewitt (USATT# 47261)'s rating went from 2169 to 2145 at the Rhode Island 2022 Butterfly Fall Open held on 2 Oct 2022 - 2 Oct 2022. 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.