Ilya Koshkin
USATT#: 14637
1402 1386
California State Open
- 21 Jun 1998
- 21 Jun 1998
This page explains how Ilya Koshkin (USATT# 14637)'s rating went from 1402 to 1386 at the California State Open held on - 21 Jun 1998. 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.