This page explains how Cheery Zhang (USATT# 218008)'s rating went from 1410 to 1400 at the PPC 2024 May 2-Person Teams and Giant RR held on 25 May 2024 - 26 May 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.