This page explains how Alireza Hejazi (USATT# 63010)'s rating went from 2053 to 2054 at the OCTTA BUTTERFLY DECEMBER 2021 OPEN held on 11 Dec 2021 - 11 Dec 2021. 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.