This page explains how Xiheng Tyrus Zhang (USATT# 271325)'s rating went from 266 to 263 at the 888 League event from 5 Jun 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.