This page explains how Kai Zhang (USATT# 86637)'s rating went from 2607 to 2620 at the MLTT Rock Hill held on 1 Dec 2023 - 3 Dec 2023. 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.