This page explains how Chettra Ly (USATT# 1688)'s rating went from 1862 to 1867 at the Spttc Wednesday night league event from 12 Feb 2020. 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.