This page explains how Janusz Franeczek (USATT# 26185)'s rating went from 2116 to 2091 at the Chinese New Year Open held on - 16 Feb 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.