Songchen Xia
USATT#: 98325
| Certified Referee | Certified Umpire
1824 1744
2023 Butterfly Puerto Rico Teams Open
31 Mar 2023 - 2 Apr 2023
31 Mar 2023 - 2 Apr 2023
This page explains how Songchen Xia (USATT# 98325)'s rating went from 1824 to 1744 at the 2023 Butterfly Puerto Rico Teams Open held on 31 Mar 2023 - 2 Apr 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.