This page explains how Arnold Dmytrovych Kompaniyets (USATT# 86968)'s rating went from 1821 to 1846 at the Rockwell Summer Open 2015 held on - 27 Jun 2015. 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.