This page explains how Henrik Zhang (USATT# 87832)'s rating went from 1999 to 2130 at the Swan Friday O2000 Team League event from 9 Dec 2016. 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.