Songchen Xia
USATT#: 98325
| Certified Referee | Certified Umpire
1999 1991
LYTTC Friday Pro League
17 Nov 2023
17 Nov 2023
This page explains how Songchen Xia (USATT# 98325)'s rating went from 1999 to 1991 at the LYTTC Friday Pro League event from 17 Nov 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.