This page explains how Harry Tan (USATT# 271147)'s rating went from 1576 to 1575 at the 2024 US Junior National Team Trials - Part 1 held on 26 Mar 2024 - 30 Mar 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.