This page explains how Keahn Malek-Madani (USATT# 271271)'s rating went from n/a to 152 at the 888 League event from 22 Aug 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.