This page explains how Daniel Xiaohong Xiaohong Wang (USATT# 8040)'s rating went from 1868 to 1893 at the January Open held on - 31 Jan 2009. 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.