This page explains how Diane Jiang (USATT# 74742)'s rating went from 2168 to 2186 at the ZXTTA event from 13 Dec 2014. 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.