This page explains how Tao Hu (USATT# 88679)'s rating went from 1983 to 1969 at the LYTTC TTcup event from 2 May 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.