This page explains how Gilbert Alcindor (USATT# 231468)'s rating went from 1122 to 1130 at the BTTC League event from 17 Dec 2019. 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.