This page explains how Alhasan Mohamed (USATT# 219890)'s rating went from 1451 to 1439 at the 2024 January Open @ Princeton Pong held on 6 Jan 2024 - 7 Jan 2024. 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.