This page explains how Kai Liu (USATT# 83786)'s rating went from 1919 to 1908 at the Topspin Open League event from 17 Jan 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.