Ian Seidenfeld
USATT#: 80503
| Coach Level: National
2025 2022
America's Team Championship
27 May 2017 - 28 May 2017
27 May 2017 - 28 May 2017
This page explains how Ian Seidenfeld (USATT# 80503)'s rating went from 2025 to 2022 at the America's Team Championship held on 27 May 2017 - 28 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.