This page explains how Hasan Dugan (USATT# 1177263)'s rating went from 1776 to 1741 at the Florida State Closed Championship held on 12 Nov 2023 - 12 Nov 2023. The links below take you to pages that describe various aspects of the rating processor.

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.