This page explains how Yiang Han (USATT# 196494)'s rating went from 1890 to 1881 at the TTA Adv League - SUNDAY event from 27 Aug 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.