This page explains how Peter Jie Yang (USATT# 78089)'s rating went from 2088 to 2091 at the 888 League event from 11 Sep 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.