This page explains how Zhenting Lu (USATT# 271929)'s rating went from 1903 to 1839 at the TTA Adv League - SUNDAY event from 24 Oct 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.