This page explains how Jie Zhang Nissel (USATT# 268616)'s rating went from 1036 to 1215 at the 2021 Butterfly Sandhills Open held on 7 May 2021 - 9 May 2021. 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.