This page explains how Simon Shtofmakher (USATT# 9997)'s rating went from 2148 to 2131 at the NJTTC Thursday Adv League event from 23 May 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.