This page explains how Liren Zhang (USATT# 1157612)'s rating went from 1977 to 2015 at the ICC - Advanced League event from 1 Jul 2023. 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.