This page explains how Yu-chung Lin (USATT# 212281)'s rating went from 2258 to 2258 at the Brookhaven National Lab TTC League event from 7 Dec 2016. 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.