This page explains how Tao Li (USATT# 271451)'s rating went from 1458 to 1421 at the Davison Athletic Club October Open held on 22 Oct 2022 - 22 Oct 2022. 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.