This page explains how Keith Lin (USATT# 221934)'s rating went from 2062 to 2064 at the TTA Adv League - SUNDAY event from 7 Nov 2021. 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.