This page explains how Tiequn Qiu (USATT# 83555)'s rating went from 1171 to 1172 at the Best of the West Open held on - 30 Sep 2012. 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.