Boyun Zhao
USATT#: 220815
2429 2413
2023 USATT Northeast Regional Championships
20 May 2023 - 20 May 2023
20 May 2023 - 20 May 2023
This page explains how Boyun Zhao (USATT# 220815)'s rating went from 2429 to 2413 at the 2023 USATT Northeast Regional Championships held on 20 May 2023 - 20 May 2023. The links below take you to pages that describe various aspects of the rating processor.
Introduction
Initial Rating
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.