This page explains how Chad Su (USATT# 86446)'s rating went from 1885 to 1886 at the Spttc Saturday Night League event from 18 Nov 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.