This page explains how Matthew Hekmatniaz (USATT# 202852)'s rating went from 1163 to 1169 at the ARARAT OPEN 2023 held on 21 May 2023 - 21 May 2023. 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.