This page explains how Blair W. Wilson (USATT# 69613)'s rating went from 1624 to 1630 at the Atlanta Open Giant Round Robin held on - 7 Nov 2015. The links below take you to pages that describe various aspects of the rating processor.

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.