This page explains how Louis Vance (USATT# 95630)'s rating went from 1397 to 1409 at the LRTTC Monthly Tournament League event from 8 Dec 2018. 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.