This page explains how Yahao Zhang (USATT# 31038)'s rating went from 2493 to 2506 at the 2017 SuperMicro US Nationals held on 3 Jul 2017 - 8 Jul 2017. 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.