This page explains how Mohammed Yasin Musthafa (USATT# 219888)'s rating went from 1849 to 1881 at the 888 League event from 11 Jun 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.