Weida Qian
USATT#: 30724
1860 1811
2017 Stiga Portland Open
11 Nov 2017 - 12 Nov 2017
11 Nov 2017 - 12 Nov 2017
This page explains how Weida Qian (USATT# 30724)'s rating went from 1860 to 1811 at the 2017 Stiga Portland Open held on 11 Nov 2017 - 12 Nov 2017. 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.