This page explains how Hau Lam (USATT# 37020)'s rating went from 1931 to 1830 at the Paddle Palace Club 2024 June Open held on 15 Jun 2024 - 16 Jun 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.