This page explains how Tianyi Zhou (USATT# 95031)'s rating went from 1890 to 1920 at the Gambler Competitor Open II held on 25 Oct 2019 - 27 Oct 2019. 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.