This page explains how Kamil Masgutov (USATT# 279038)'s rating went from 1273 to 1223 at the Swan Sunday League event from 17 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.