This page explains how Nison Aronov (USATT# 18889)'s rating went from 2428 to 2459 at the Matthew Murad Mem Open held on - 22 Sep 2002. 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.