This page explains how Yuanlei Zhang (USATT# 1167098)'s rating went from 1307 to 1261 at the ICC - Advanced League event from 16 Mar 2024. 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.