| Coach Level: Level 1
- 21 Oct 2012
This page explains how Kai Zhang (USATT# 86637)'s rating went from 2557 to 2572 at the Westchester 2012 October Open held on - 21 Oct 2012. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.