Wei Qin
USATT#: 215793
923 918
Swan Sunday League
25 Dec 2022
25 Dec 2022
This page explains how Wei Qin (USATT# 215793)'s rating went from 923 to 918 at the Swan Sunday League event from 25 Dec 2022. 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.