Haiyan Cheng
USATT#: 71436
1106 1091
PPC Winter Open
16 Feb 2019 - 16 Feb 2019
16 Feb 2019 - 16 Feb 2019
This page explains how Haiyan Cheng (USATT# 71436)'s rating went from 1106 to 1091 at the PPC Winter Open held on 16 Feb 2019 - 16 Feb 2019. 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.