This page explains how Hongxuan Zhu (USATT# 218441)'s rating went from 2035 to 2026 at the LYTTC TTcup event from 15 Apr 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.