This page explains how Alex Zakharov (USATT# 263549)'s rating went from 1852 to 1849 at the Central Carolinas Super League event from 23 May 2019. 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.