This page explains how Sam Karabulut (USATT# 243850)'s rating went from 1621 to 1604 at the 2021 July Open @ Princeton Pong held on 10 Jul 2021 - 11 Jul 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.