This page explains how Dmitri V Fomin (USATT# 2818)'s rating went from 2044 to 2030 at the Boston TTC event from 29 Sep 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.