This page explains how ILIYAN ARABOV (USATT# 82489)'s rating went from 1841 to 1867 at the Alabama Closed Team Championship held on - 23 Mar 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.