This page explains how Ethan Do (USATT# 275896)'s rating went from 1390 to 1365 at the 2024 Virginia Spring Open held on 6 Apr 2024 - 7 Apr 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.