This page explains how Yu-chung Lin (USATT# 212281)'s rating went from 2258 to 2258 at the BTTC League event from 11 Jul 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.