This page explains how Alexander Zelener (USATT# 34173)'s rating went from 1273 to 1290 at the 2007 San Diego Open held on - 10 Jun 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.