This page explains how Gal Alguetti (USATT# 83382)'s rating went from 1686 to 1687 at the 2011 Rochester NY Open held on - 27 Feb 2011. 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.