This page explains how Babak Ravaji (USATT# 278852)'s rating went from 1569 to 1553 at the ASLT League event from 19 May 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.