Haiyan Cheng
USATT#: 71436
1074 1031
2015 Stiga Portland Open
- 15 Nov 2015
- 15 Nov 2015
This page explains how Haiyan Cheng (USATT# 71436)'s rating went from 1074 to 1031 at the 2015 Stiga Portland Open held on - 15 Nov 2015. 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.