This page explains how Kostas Maciulis (USATT# 17554)'s rating went from 1181 to 1182 at the 2007 Rochester Giant RR held on - 25 Feb 2007. 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.