Olin Rupchin
USATT#: 1176480
1939 1870
Westchester December2023 Open
29 Dec 2023 - 30 Dec 2023
29 Dec 2023 - 30 Dec 2023
This page explains how Olin Rupchin (USATT# 1176480)'s rating went from 1939 to 1870 at the Westchester December2023 Open held on 29 Dec 2023 - 30 Dec 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.