This page explains how Reza Ahrabli (USATT# 3570)'s rating went from 1605 to 1610 at the AITTA League Singles held on - 3 May 1997. 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.