This page explains how Al King (USATT# 53791)'s rating went from 1551 to 1468 at the 2015 Hyson Chicago International Table Tennis Open held on - 9 Aug 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.