- 29 Sep 2013
This page explains how Alistair A Hay (USATT# 91523)'s rating went from 1054 to 1057 at the Westchester 2013 September Open held on - 29 Sep 2013. 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.