This page explains how Sarah Yang (USATT# 268979)'s rating went from 1631 to 1621 at the TTA Adv League - SUNDAY event from 7 Jan 2024. 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.