This page explains how Kevin Li Zhang (USATT# 97783)'s rating went from 1836 to 1855 at the $3K ASLT Oktoberfest held on 22 Oct 2021 - 24 Oct 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.