Derek Zhen
USATT#: 1177485
1344 1315
NYISC October 2023 Open
21 Oct 2023 - 21 Oct 2023
21 Oct 2023 - 21 Oct 2023
This page explains how Derek Zhen (USATT# 1177485)'s rating went from 1344 to 1315 at the NYISC October 2023 Open held on 21 Oct 2023 - 21 Oct 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.