This page explains how Pavel Douganyuk (USATT# 81175)'s rating went from 1634 to 1630 at the Central Carolinas Super League event from 27 May 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.