This page explains how Dominic Hu (USATT# 1172816)'s rating went from 1641 to 1638 at the 2023 Butterfly June Tournament held on 24 Jun 2023 - 24 Jun 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.