This page explains how Gary Zharzhavsky (USATT# 221715)'s rating went from 800 to 777 at the 888 League event from 1 May 2022. 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.