This page explains how Xinhua Yin (USATT# 81327)'s rating went from 1216 to 1216 at the 2010 Alabama Closed Team Championship held on - 27 Mar 2010. 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.