Ian Seidenfeld
USATT#: 80503
| Coach Level: National
921 893
Minnesota Saturday Open
10 Nov 2012
10 Nov 2012
This page explains how Ian Seidenfeld (USATT# 80503)'s rating went from 921 to 893 at the Minnesota Saturday Open event from 10 Nov 2012. 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.