This page explains how Alex Duong (USATT# 273746)'s rating went from 1170 to 1164 at the LATTA Butterfly May Open held on 18 May 2024 - 18 May 2024. 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.