Wei Qin
USATT#: 215793
1013 989
2018 ICC Butterfly America Open
7 Dec 2018 - 9 Dec 2018
7 Dec 2018 - 9 Dec 2018
This page explains how Wei Qin (USATT# 215793)'s rating went from 1013 to 989 at the 2018 ICC Butterfly America Open held on 7 Dec 2018 - 9 Dec 2018. 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.