23 Nov 2019 - 23 Nov 2019
This page explains how Tianzhao Han (USATT# 1164863)'s rating went from 1305 to 1260 at the LATTA Open November 2019 held on 23 Nov 2019 - 23 Nov 2019. The links below take you to pages that describe various aspects of the ratings processor.
The ratings 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.