This page explains how Niu Ding (USATT# 281923)'s rating went from 1800 to 1750 at the San Francisco Bay Area CLC event from 3 Feb 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.