This page explains how Jianming Cheng (USATT# 283189)'s rating went from 1841 to 1790 at the Spttc Saturday Night League event from 13 Apr 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.