This page explains how Sean Ko (USATT# 82082)'s rating went from 1505 to 1506 at the 7th Annual 2015 Fall Open held on - 21 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.