This page explains how Winston Xiaoyong Wang (USATT# 22286)'s rating went from 2157 to 2153 at the 19th FIT Open held on - 17 Nov 2013. 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.