This page explains how Lixin Lang (USATT# 52443)'s rating went from 2112 to 2116 at the MDTTC Butterfly April Open held on - 13 Apr 2008. 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.