This page explains how Amir Reza Aref Laleh (USATT# 274949)'s rating went from 895 to 891 at the TTA Adv League - SUNDAY event from 19 Nov 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.