James Wan
USATT#: 195549
| Certified Umpire
1955 2045
Sacramento Spring Open
20 May 2017 - 20 May 2017
20 May 2017 - 20 May 2017
This page explains how James Wan (USATT# 195549)'s rating went from 1955 to 2045 at the Sacramento Spring Open held on 20 May 2017 - 20 May 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.