This page explains how Aaron Li (USATT# 271611)'s rating went from 651 to 641 at the LYTTC Farmer's Insurance Oct Open 2023 held on 14 Oct 2023 - 15 Oct 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.