This page explains how Xinping Zhang (USATT# 1176560)'s rating went from 1860 to 1857 at the ASLT League event from 25 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.