This page explains how Dmitry Martyanov (USATT# 275298)'s rating went from 1463 to 1456 at the Swan Sunday League event from 31 Dec 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.