This page explains how Meng Zeng (USATT# 1165614)'s rating went from 1639 to 1637 at the ASLT League event from 5 May 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.