This page explains how Tsz Lun (Alan) Chu (USATT# 79092)'s rating went from 2143 to 2132 at the Texas State Closed Championships held on - 14 Nov 2015. 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.