This page explains how Ali Afrakhteh (USATT# 275469)'s rating went from 90 to 101 at the Tri-Valley Branch-Fremont TTA League event from 16 Sep 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.