This page explains how Jedidiah Chung (USATT# 91189)'s rating went from 1575 to 1586 at the 2015 Aurora Summer Open held on - 20 Jun 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.