This page explains how Shengming Liang (USATT# 272584)'s rating went from 1702 to 1637 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 18 Feb 2022. 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.