Walter Witkowski
USATT#: 21983
| Coach Level: Club
1406 1316
ICC California State Open
- 6 Dec 2009
- 6 Dec 2009
This page explains how Walter Witkowski (USATT# 21983)'s rating went from 1406 to 1316 at the ICC California State Open held on - 6 Dec 2009. 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.