This page explains how Zhenyang Dai (USATT# 97435)'s rating went from 2038 to 2021 at the 888 League event from 12 Dec 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.